qemu-system-x86_64 -m '3048' -net 'nic' -net 'user,host=10.0.2.10,hostfwd=tcp::1569-:22' -display 'none' -serial 'stdio' -no-reboot -numa 'node,nodeid=0,cpus=0-1' -numa 'node,nodeid=1,cpus=2-3' -smp 'sockets=2,cores=2,threads=1' -enable-kvm -usb -usbdevice 'mouse' -usbdevice 'tablet' -soundhw 'all' -hda '/home/xnoxk/go/src/github.com/google/syzkaller/tools/wheezy.img' -snapshot -kernel '/home/xnoxk/linux-4.8.0/arch/x86/boot/bzImage' -append 'console=ttyS0 vsyscall=native rodata=n oops=panic panic_on_warn=1 panic=-1 ftrace_dump_on_oops=orig_cpu earlyprintk=serial slub_debug=UZ root=/dev/sda ' 1>traceb.txt>&1 warning: host doesn't support requested feature: CPUID.01H:ECX.vmx [bit 5] warning: host doesn't support requested feature: CPUID.80000001H:ECX.svm [bit 2] warning: host doesn't support requested feature: CPUID.01H:ECX.vmx [bit 5] warning: host doesn't support requested feature: CPUID.80000001H:ECX.svm [bit 2] warning: host doesn't support requested feature: CPUID.01H:ECX.vmx [bit 5] warning: host doesn't support requested feature: CPUID.80000001H:ECX.svm [bit 2] warning: host doesn't support requested feature: CPUID.01H:ECX.vmx [bit 5] warning: host doesn't support requested feature: CPUID.80000001H:ECX.svm [bit 2] [ 0.000000] Linux version 4.8.11 (xnoxk@xnoXk) (gcc version 6.2.0 20161005 (Ubuntu 6.2.0-5ubuntu12) ) #1 SMP Fri Jan 6 12:01:55 WAT 2017 (Ubuntu 4.8.0-22.24-generic 4.8.0) [ 0.000000] Command line: console=ttyS0 vsyscall=native rodata=n oops=panic panic_on_warn=1 panic=-1 ftrace_dump_on_oops=orig_cpu earlyprintk=serial slub_debug=UZ root=/dev/sda [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] Centaur CentaurHauls [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b20 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] ffffffff00000010 ffffffffb3c07b48 ffffffffb3c07af8 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] early_init_intel+0x293/0x832 [ 0.000000] [] ? check_mpx_erratum+0xb4/0xb4 [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] ? strcmp+0x55/0x7d [ 0.000000] [] ? get_cpu_vendor+0x194/0x2d6 [ 0.000000] [] ? check_mpx_erratum+0xb4/0xb4 [ 0.000000] [] early_cpu_init+0x2eb/0x39e [ 0.000000] [] setup_arch+0x149/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce754 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 0000000000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? native_cpuid+0x61/0x82 [ 0.000000] [] check_mpx_erratum+0x43/0xb4 [ 0.000000] [] early_init_intel+0x7f3/0x832 [ 0.000000] [] ? check_mpx_erratum+0xb4/0xb4 [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] ? strcmp+0x55/0x7d [ 0.000000] [] ? get_cpu_vendor+0x194/0x2d6 [ 0.000000] [] ? check_mpx_erratum+0xb4/0xb4 [ 0.000000] [] early_cpu_init+0x2eb/0x39e [ 0.000000] [] setup_arch+0x149/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce744 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b80 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] ffffffff00000010 ffffffffb3c07ba8 ffffffffb3c07b58 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? early_init_intel+0x7f3/0x832 [ 0.000000] [] fpu__init_cpu_xstate+0x32/0x122 [ 0.000000] [] fpu__init_cpu+0x56/0xc2 [ 0.000000] [] fpu__init_system+0x268/0x59e [ 0.000000] [] ? fpu__get_supported_xfeatures_mask+0x63/0x63 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] ? strcmp+0x55/0x7d [ 0.000000] [] ? filter_cpuid_features+0x58/0x24b [ 0.000000] [] ? check_mpx_erratum+0xb4/0xb4 [ 0.000000] [] early_cpu_init+0x392/0x39e [ 0.000000] [] setup_arch+0x149/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce73c for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b98 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 1fffffff00000010 ffffffffb3c07bc0 ffffffffb3c07b70 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? early_init_intel+0x7f3/0x832 [ 0.000000] [] fpu__init_cpu+0x79/0xc2 [ 0.000000] [] fpu__init_system+0x268/0x59e [ 0.000000] [] ? fpu__get_supported_xfeatures_mask+0x63/0x63 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] ? strcmp+0x55/0x7d [ 0.000000] [] ? filter_cpuid_features+0x58/0x24b [ 0.000000] [] ? check_mpx_erratum+0xb4/0xb4 [ 0.000000] [] early_cpu_init+0x392/0x39e [ 0.000000] [] setup_arch+0x149/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce744 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07918 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 0000000000000010 ffffffffb3c07940 ffffffffb3c078f0 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? __raw_callee_save___native_queued_spin_unlock+0x15/0x23 [ 0.000000] [] fpu__init_system_xstate+0x16c/0x1338 [ 0.000000] [] ? setup_xstate_comp+0x61d/0x61d [ 0.000000] [] ? vprintk_emit+0x636/0x647 [ 0.000000] [] ? __native_queued_spin_unlock+0x76/0xaa [ 0.000000] [] ? __raw_callee_save___native_queued_spin_unlock+0x23/0x23 [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? __raw_callee_save___native_queued_spin_unlock+0x15/0x23 [ 0.000000] [] ? arch_local_irq_restore+0xb/0xd [ 0.000000] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? early_init_intel+0x7f3/0x832 [ 0.000000] [] fpu__init_system+0x323/0x59e [ 0.000000] [] ? fpu__get_supported_xfeatures_mask+0x63/0x63 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] ? strcmp+0x55/0x7d [ 0.000000] [] ? filter_cpuid_features+0x58/0x24b [ 0.000000] [] ? check_mpx_erratum+0xb4/0xb4 [ 0.000000] [] early_cpu_init+0x392/0x39e [ 0.000000] [] setup_arch+0x149/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] x86/fpu: Legacy x87 FPU detected. [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce75c for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07bb0 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 1fffffff00000010 ffffffffb3c07bd8 ffffffffb3c07b88 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] fpu__init_system+0x4a8/0x59e [ 0.000000] [] ? fpu__get_supported_xfeatures_mask+0x63/0x63 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] ? strcmp+0x55/0x7d [ 0.000000] [] ? filter_cpuid_features+0x58/0x24b [ 0.000000] [] ? check_mpx_erratum+0xb4/0xb4 [ 0.000000] [] early_cpu_init+0x392/0x39e [ 0.000000] [] setup_arch+0x149/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] x86/fpu: Using 'eager' FPU context switches. [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000be7ddfff] usable [ 0.000000] BIOS-e820: [mem 0x00000000be7de000-0x00000000be7fffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07ca8 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] ffffffff00000010 ffffffffb3c07cd0 ffffffffb3c07c80 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memcpy+0x45/0x4c [ 0.000000] [] x86_configure_nx+0x31/0xab [ 0.000000] [] setup_arch+0x5af/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07ca8 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 0000000000000010 ffffffffb3c07cd0 ffffffffb3c07c80 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] x86_report_nx+0x2c/0x8d [ 0.000000] [] setup_arch+0x5b9/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.8 present. [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./include/uapi/linux/byteorder/little_endian.h:65:9 [ 0.000000] load of misaligned address ffffffffff20044f for type 'const __le16' [ 0.000000] which requires 2 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07bf0 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] ffffffff00000010 ffffffffb3c07c18 ffffffffb3c07bc8 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] save_mem_devices+0x8f/0x1b1 [ 0.000000] [] dmi_decode_table+0xf2/0x202 [ 0.000000] [] ? print_filtered+0x107/0x107 [ 0.000000] [] ? print_filtered+0x107/0x107 [ 0.000000] [] dmi_walk_early+0x4a/0x74 [ 0.000000] [] dmi_memdev_walk+0x66/0x6e [ 0.000000] [] setup_arch+0x7a4/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce744 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07bc0 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 0000000000000010 ffffffffb3c07be8 ffffffffb3c07b98 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] vmware_platform+0x9d/0x1b1 [ 0.000000] [] ? vmware_platform_setup+0x58/0x58 [ 0.000000] [] ? dump_stack_set_arch_desc+0xc4/0xed [ 0.000000] [] ? printk_late_init+0xfb/0xfb [ 0.000000] [] init_hypervisor_platform+0x66/0x15c [ 0.000000] [] setup_arch+0x7ae/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce744 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07bb8 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] ffffffff00000010 ffffffffb3c07be0 ffffffffb3c07b90 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ms_hyperv_platform+0x9f/0x172 [ 0.000000] [] ? hypervisor_x2apic_available+0x7a/0x7a [ 0.000000] [] ? vmware_platform_setup+0x58/0x58 [ 0.000000] [] ? printk_late_init+0xfb/0xfb [ 0.000000] [] init_hypervisor_platform+0x66/0x15c [ 0.000000] [] setup_arch+0x7ae/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce744 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b70 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] ffffffff00000010 ffffffffb3c07b98 ffffffffb3c07b48 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 0.000000] [] __kvm_cpuid_base+0xbc/0x1a4 [ 0.000000] [] ? kvm_guest_apic_eoi_write+0x67/0x67 [ 0.000000] [] ? ms_hyperv_platform+0x134/0x172 [ 0.000000] [] ? hypervisor_x2apic_available+0x7a/0x7a [ 0.000000] [] ? vmware_platform_setup+0x58/0x58 [ 0.000000] [] ? printk_late_init+0xfb/0xfb [ 0.000000] [] kvm_cpuid_base+0x12/0x27 [ 0.000000] [] kvm_detect+0x9/0xb [ 0.000000] [] init_hypervisor_platform+0x66/0x15c [ 0.000000] [] setup_arch+0x7ae/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] Hypervisor detected: KVM [ 0.000000] e820: last_pfn = 0xbe7de max_arch_pfn = 0x400000000 [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c80 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] ffffffff00000010 ffffffffb3c07ca8 ffffffffb3c07c58 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? e820_end_pfn.constprop.2+0x72/0x11a [ 0.000000] [] mtrr_bp_init+0x35/0x3b3 [ 0.000000] [] setup_arch+0x8c9/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c58 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 0000000000000010 ffffffffb3c07c80 ffffffffb3c07c30 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? get_mtrr_state+0x63f/0x663 [ 0.000000] [] prepare_set+0x55/0xd0 [ 0.000000] [] mtrr_bp_pat_init+0x1c/0x31 [ 0.000000] [] mtrr_bp_init+0x32c/0x3b3 [ 0.000000] [] setup_arch+0x8c9/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c48 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] ffffffff00000010 ffffffffb3c07c70 ffffffffb3c07c20 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] pat_init+0x199/0x28a [ 0.000000] [] mtrr_bp_pat_init+0x21/0x31 [ 0.000000] [] mtrr_bp_init+0x32c/0x3b3 [ 0.000000] [] setup_arch+0x8c9/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] x86/PAT: PAT not supported by CPU. [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c10 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 0000000000000010 ffffffffb3c07c38 ffffffffb3c07be8 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] init_cache_modes.part.3+0x32/0x88 [ 0.000000] [] pat_disable+0xd4/0xde [ 0.000000] [] pat_init+0x1e5/0x28a [ 0.000000] [] mtrr_bp_pat_init+0x21/0x31 [ 0.000000] [] mtrr_bp_init+0x32c/0x3b3 [ 0.000000] [] setup_arch+0x8c9/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] x86/PAT: Configuration [0-7]: WB WT UC- UC WB WT UC- UC [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c58 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 0000000000000010 ffffffffb3c07c80 ffffffffb3c07c30 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] post_set+0x5f/0xa3 [ 0.000000] [] mtrr_bp_pat_init+0x26/0x31 [ 0.000000] [] mtrr_bp_init+0x32c/0x3b3 [ 0.000000] [] setup_arch+0x8c9/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce744 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07be0 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] ffffffff00000010 ffffffffb3c07c08 ffffffffb3c07bb8 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? arch_local_irq_restore+0xb/0xd [ 0.000000] [] ? __native_queued_spin_unlock+0x76/0xaa [ 0.000000] [] ? __raw_callee_save___native_queued_spin_unlock+0x23/0x23 [ 0.000000] [] x2apic_enabled+0x9a/0x11e [ 0.000000] [] ? arch_local_irq_enable+0xd/0xd [ 0.000000] [] ? __raw_callee_save___native_queued_spin_unlock+0x15/0x23 [ 0.000000] [] check_x2apic+0x9/0x7c [ 0.000000] [] setup_arch+0x930/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce744 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07ca8 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] ffffffff00000010 ffffffffb3c07cd0 ffffffffb3c07c80 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] check_x2apic+0x52/0x7c [ 0.000000] [] setup_arch+0x930/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] found SMP MP-table at [mem 0x000f64c0-0x000f64cf] mapped at [ffff8800000f64c0] [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in arch/x86/kernel/ebda.c:73:15 [ 0.000000] load of misaligned address ffff880000000413 for type 'short unsigned int' [ 0.000000] which requires 2 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c90 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] ffffffff00000010 ffffffffb3c07cb8 ffffffffb3c07c68 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memblock_trim_memory+0x17a/0x187 [ 0.000000] [] reserve_bios_regions+0x55/0xd2 [ 0.000000] [] ? vp_get+0x1e2/0x29e [ 0.000000] [] setup_arch+0xa54/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c78 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 0000000000000010 ffffffffb3c07ca0 ffffffffb3c07c50 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memblock_add_range+0x627/0x638 [ 0.000000] [] ? vp_get+0x1e2/0x29e [ 0.000000] [] init_mem_mapping+0x37/0x40e [ 0.000000] [] ? vp_get+0x1e2/0x29e [ 0.000000] [] setup_arch+0xa9d/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c78 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07ca0 ffffffffb3c07c50 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memblock_add_range+0x627/0x638 [ 0.000000] [] ? vp_get+0x1e2/0x29e [ 0.000000] [] init_mem_mapping+0x81/0x40e [ 0.000000] [] ? vp_get+0x1e2/0x29e [ 0.000000] [] setup_arch+0xa9d/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c78 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07ca0 ffffffffb3c07c50 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memblock_add_range+0x627/0x638 [ 0.000000] [] ? vp_get+0x1e2/0x29e [ 0.000000] [] init_mem_mapping+0xbd/0x40e [ 0.000000] [] ? vp_get+0x1e2/0x29e [ 0.000000] [] setup_arch+0xa9d/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c78 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07ca0 ffffffffb3c07c50 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memblock_add_range+0x627/0x638 [ 0.000000] [] ? vp_get+0x1e2/0x29e [ 0.000000] [] init_mem_mapping+0x14f/0x40e [ 0.000000] [] ? vp_get+0x1e2/0x29e [ 0.000000] [] setup_arch+0xa9d/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000F6290 000014 (v00 BOCHS ) [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in drivers/acpi/acpica/tbprint.c:131:6 [ 0.000000] load of misaligned address ffffffffff20092a for type 'u32' [ 0.000000] which requires 4 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c079d8 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 8000000000000010 ffffffffb3c07a00 ffffffffb3c079b0 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? early_memremap+0x2c/0x2e [ 0.000000] [] acpi_tb_print_table_header+0x96/0x2ee [ 0.000000] [] ? acpi_tb_fix_string+0x8a/0x8a [ 0.000000] [] acpi_tb_parse_root_table+0x158/0x409 [ 0.000000] [] ? acpi_find_root_pointer+0x21a/0x227 [ 0.000000] [] ? acpi_numa_init+0x1a0/0x1a0 [ 0.000000] [] ? acpi_os_initialize+0xa5/0xa5 [ 0.000000] [] acpi_initialize_tables+0xc6/0xd9 [ 0.000000] [] ? acpi_table_init+0xf7/0x3eb [ 0.000000] [] acpi_table_init+0x116/0x3eb [ 0.000000] [] ? strstr+0x59/0x71 [ 0.000000] [] ? acpi_table_upgrade+0x846/0x846 [ 0.000000] [] ? dmi_matches+0x2bb/0x2cc [ 0.000000] [] acpi_boot_table_init+0x28/0x92 [ 0.000000] [] setup_arch+0xe1d/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ACPI: RSDT 0x00000000BE7E192A 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in drivers/acpi/acpica/tbprint.c:195:6 [ 0.000000] load of misaligned address ffffffffff20092a for type 'u32' [ 0.000000] which requires 4 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07a78 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 0000000000000010 ffffffffb3c07aa0 ffffffffb3c07a50 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? mem_cgroup_css_alloc+0x1116/0x1116 [ 0.000000] [] acpi_tb_verify_checksum+0x32/0x113 [ 0.000000] [] acpi_tb_parse_root_table+0x1e4/0x409 [ 0.000000] [] ? acpi_find_root_pointer+0x21a/0x227 [ 0.000000] [] ? acpi_numa_init+0x1a0/0x1a0 [ 0.000000] [] ? acpi_os_initialize+0xa5/0xa5 [ 0.000000] [] acpi_initialize_tables+0xc6/0xd9 [ 0.000000] [] ? acpi_table_init+0xf7/0x3eb [ 0.000000] [] acpi_table_init+0x116/0x3eb [ 0.000000] [] ? strstr+0x59/0x71 [ 0.000000] [] ? acpi_table_upgrade+0x846/0x846 [ 0.000000] [] ? dmi_matches+0x2bb/0x2cc [ 0.000000] [] acpi_boot_table_init+0x28/0x92 [ 0.000000] [] setup_arch+0xe1d/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in drivers/acpi/acpica/tbprint.c:196:6 [ 0.000000] load of misaligned address ffffffffff20092a for type 'u32' [ 0.000000] which requires 4 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07a78 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07aa0 ffffffffb3c07a50 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? mem_cgroup_css_alloc+0x1116/0x1116 [ 0.000000] [] acpi_tb_verify_checksum+0x81/0x113 [ 0.000000] [] acpi_tb_parse_root_table+0x1e4/0x409 [ 0.000000] [] ? acpi_find_root_pointer+0x21a/0x227 [ 0.000000] [] ? acpi_numa_init+0x1a0/0x1a0 [ 0.000000] [] ? acpi_os_initialize+0xa5/0xa5 [ 0.000000] [] acpi_initialize_tables+0xc6/0xd9 [ 0.000000] [] ? acpi_table_init+0xf7/0x3eb [ 0.000000] [] acpi_table_init+0x116/0x3eb [ 0.000000] [] ? strstr+0x59/0x71 [ 0.000000] [] ? acpi_table_upgrade+0x846/0x846 [ 0.000000] [] ? dmi_matches+0x2bb/0x2cc [ 0.000000] [] acpi_boot_table_init+0x28/0x92 [ 0.000000] [] setup_arch+0xe1d/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in drivers/acpi/acpica/tbutils.c:214:5 [ 0.000000] load of misaligned address ffffffffff20094e for type 'u32' [ 0.000000] which requires 4 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07aa0 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 0000000000000010 ffffffffb3c07ac8 ffffffffb3c07a78 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? acpi_tb_checksum+0x62/0x70 [ 0.000000] [] acpi_tb_parse_root_table+0x28a/0x409 [ 0.000000] [] ? acpi_find_root_pointer+0x21a/0x227 [ 0.000000] [] ? acpi_numa_init+0x1a0/0x1a0 [ 0.000000] [] ? acpi_os_initialize+0xa5/0xa5 [ 0.000000] [] acpi_initialize_tables+0xc6/0xd9 [ 0.000000] [] ? acpi_table_init+0xf7/0x3eb [ 0.000000] [] acpi_table_init+0x116/0x3eb [ 0.000000] [] ? strstr+0x59/0x71 [ 0.000000] [] ? acpi_table_upgrade+0x846/0x846 [ 0.000000] [] ? dmi_matches+0x2bb/0x2cc [ 0.000000] [] acpi_boot_table_init+0x28/0x92 [ 0.000000] [] setup_arch+0xe1d/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in drivers/acpi/acpica/tbdata.c:80:2 [ 0.000000] load of misaligned address ffffffffff2406de for type 'u32' [ 0.000000] which requires 4 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07888 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 0000000000000010 ffffffffb3c078b0 ffffffffb3c07860 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] acpi_tb_init_table_descriptor+0xe5/0x120 [ 0.000000] [] acpi_tb_acquire_temp_table+0x67/0xb0 [ 0.000000] [] acpi_tb_install_standard_table+0xd4/0x486 [ 0.000000] [] ? __raw_callee_save___native_queued_spin_unlock+0x23/0x23 [ 0.000000] [] ? acpi_tb_install_fixed_table+0x17c/0x17c [ 0.000000] [] ? __raw_callee_save___native_queued_spin_unlock+0x15/0x23 [ 0.000000] [] ? arch_local_irq_restore+0xb/0xd [ 0.000000] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 0.000000] [] ? acpi_tb_checksum+0x62/0x70 [ 0.000000] [] acpi_tb_parse_root_table+0x2ee/0x409 [ 0.000000] [] ? acpi_find_root_pointer+0x21a/0x227 [ 0.000000] [] ? acpi_numa_init+0x1a0/0x1a0 [ 0.000000] [] ? acpi_os_initialize+0xa5/0xa5 [ 0.000000] [] acpi_initialize_tables+0xc6/0xd9 [ 0.000000] [] ? acpi_table_init+0xf7/0x3eb [ 0.000000] [] acpi_table_init+0x116/0x3eb [ 0.000000] [] ? strstr+0x59/0x71 [ 0.000000] [] ? acpi_table_upgrade+0x846/0x846 [ 0.000000] [] ? dmi_matches+0x2bb/0x2cc [ 0.000000] [] acpi_boot_table_init+0x28/0x92 [ 0.000000] [] setup_arch+0xe1d/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ACPI: FACP 0x00000000BE7E16DE 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 0x00000000BE7E0040 00169E (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACS 0x00000000BE7E0000 000040 [ 0.000000] ACPI: APIC 0x00000000BE7E1752 000090 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.000000] ACPI: HPET 0x00000000BE7E17E2 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.000000] ACPI: SRAT 0x00000000BE7E181A 000110 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07ba0 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] ffffffff00000010 ffffffffb3c07bc8 ffffffffb3c07b78 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? acpi_parse_sbf+0x44/0x44 [ 0.000000] [] acpi_parse_madt+0x32/0xd5 [ 0.000000] [] acpi_table_parse+0x12f/0x18b [ 0.000000] [] ? acpi_table_parse_madt+0x35/0x35 [ 0.000000] [] ? dmi_enable_rev_override+0x4b/0x4b [ 0.000000] [] ? dmi_matches+0x2bb/0x2cc [ 0.000000] [] early_acpi_boot_init+0x32/0x18a [ 0.000000] [] setup_arch+0xe22/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce744 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07aa0 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 0000000000000010 ffffffffb3c07ac8 ffffffffb3c07a78 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? vprintk_emit+0x636/0x647 [ 0.000000] [] x2apic_acpi_madt_oem_check+0x9f/0x16d [ 0.000000] [] ? x2apic_send_IPI_mask+0x15/0x15 [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? strncmp+0x68/0x92 [ 0.000000] [] default_acpi_madt_oem_check+0x77/0x120 [ 0.000000] [] ? acpi_parse_sbf+0x44/0x44 [ 0.000000] [] acpi_parse_madt+0xc8/0xd5 [ 0.000000] [] acpi_table_parse+0x12f/0x18b [ 0.000000] [] ? acpi_table_parse_madt+0x35/0x35 [ 0.000000] [] ? dmi_enable_rev_override+0x4b/0x4b [ 0.000000] [] ? dmi_matches+0x2bb/0x2cc [ 0.000000] [] early_acpi_boot_init+0x32/0x18a [ 0.000000] [] setup_arch+0xe22/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce744 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07aa0 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07ac8 ffffffffb3c07a78 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? vprintk_emit+0x636/0x647 [ 0.000000] [] x2apic_acpi_madt_oem_check+0x9f/0x123 [ 0.000000] [] ? x2apic_send_IPI_mask+0x15/0x15 [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] default_acpi_madt_oem_check+0x77/0x120 [ 0.000000] [] ? acpi_parse_sbf+0x44/0x44 [ 0.000000] [] acpi_parse_madt+0xc8/0xd5 [ 0.000000] [] acpi_table_parse+0x12f/0x18b [ 0.000000] [] ? acpi_table_parse_madt+0x35/0x35 [ 0.000000] [] ? dmi_enable_rev_override+0x4b/0x4b [ 0.000000] [] ? dmi_matches+0x2bb/0x2cc [ 0.000000] [] early_acpi_boot_init+0x32/0x18a [ 0.000000] [] setup_arch+0xe22/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c98 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] fa7ff19900000010 ffffffffb3c07cc0 ffffffffb3c07c70 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] early_acpi_boot_init+0x62/0x18a [ 0.000000] [] setup_arch+0xe22/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.000000] SRAT: PXM 1 -> APIC 0x02 -> Node 1 [ 0.000000] SRAT: PXM 1 -> APIC 0x03 -> Node 1 [ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x5effffff] [ 0.000000] ACPI: SRAT: Node 1 PXM 1 [mem 0x5f000000-0xbe7fffff] [ 0.000000] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x5effffff] -> [mem 0x00000000-0x5effffff] [ 0.000000] NODE_DATA(0) allocated [mem 0x5effc000-0x5effffff] [ 0.000000] NODE_DATA(1) allocated [mem 0xbe7da000-0xbe7ddfff] [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 0:be7d6001, primary cpu clock [ 0.000000] kvm-clock: using sched offset of 76261884150 cycles [ 0.000000] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07ad8 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] ffffffff00000010 ffffffffb3c07b00 ffffffffb3c07ab0 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] vmemmap_populate+0x44/0x36d [ 0.000000] [] ? memblock_virt_alloc_try_nid+0xa9/0xbc [ 0.000000] [] sparse_mem_map_populate+0x35/0x4d [ 0.000000] [] sparse_mem_maps_populate_node+0x1b7/0x361 [ 0.000000] [] ? numa_policy_init+0x481/0x481 [ 0.000000] [] sparse_early_mem_maps_alloc_node+0x3a/0x3c [ 0.000000] [] alloc_usemap_and_memmap+0x120/0x15e [ 0.000000] [] sparse_init+0xa9/0x30c [ 0.000000] [] ? __clocksource_register_scale+0x16b/0x177 [ 0.000000] [] ? kvm_sched_clock_read+0x12/0x12 [ 0.000000] [] paging_init+0x18/0x37 [ 0.000000] [] setup_arch+0x10f3/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] DMA32 [mem 0x0000000001000000-0x00000000be7ddfff] [ 0.000000] Normal empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.000000] node 0: [mem 0x0000000000100000-0x000000005effffff] [ 0.000000] node 1: [mem 0x000000005f000000-0x00000000be7ddfff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000005effffff] [ 0.000000] Initmem setup node 1 [mem 0x000000005f000000-0x00000000be7ddfff] [ 0.000000] kasan: KernelAddressSanitizer initialized [ 0.000000] ACPI: PM-Timer IO Port: 0x608 [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b48 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] fa7ff19900000010 ffffffffb3c07b70 ffffffffb3c07b20 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] acpi_boot_init+0x12c/0xa15 [ 0.000000] [] ? ___alloc_bootmem_nopanic+0xc3/0xd1 [ 0.000000] [] ? early_acpi_boot_init+0x18a/0x18a [ 0.000000] [] ? native_set_pte+0x2f/0x37 [ 0.000000] [] ? read_pci_config_16+0x20/0x67 [ 0.000000] [] ? early_pci_scan_bus+0x4b/0x530 [ 0.000000] [] setup_arch+0x110c/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b48 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] fa7ff19900000010 ffffffffb3c07b70 ffffffffb3c07b20 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] acpi_boot_init+0x31c/0xa15 [ 0.000000] [] ? ___alloc_bootmem_nopanic+0xc3/0xd1 [ 0.000000] [] ? early_acpi_boot_init+0x18a/0x18a [ 0.000000] [] ? native_set_pte+0x2f/0x37 [ 0.000000] [] ? read_pci_config_16+0x20/0x67 [ 0.000000] [] ? early_pci_scan_bus+0x4b/0x530 [ 0.000000] [] ? acpi_parse_x2apic+0x113/0x113 [ 0.000000] [] ? dmi_ignore_irq0_timer_override+0x61/0x61 [ 0.000000] [] setup_arch+0x110c/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.000000] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.000000] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.000000] e820: [mem 0xbe800000-0xfeffbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c28 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 0000000000000010 ffffffffb3c07c50 ffffffffb3c07c00 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] mcheck_intel_therm_init+0x2e/0x102 [ 0.000000] [] mcheck_init+0x5c/0xdc [ 0.000000] [] ? mcheck_init_device+0x2b9/0x2b9 [ 0.000000] [] ? setup_arch+0x11c6/0x132e [ 0.000000] [] setup_arch+0x11e3/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c28 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07c50 ffffffffb3c07c00 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] mcheck_intel_therm_init+0x6e/0x102 [ 0.000000] [] mcheck_init+0x5c/0xdc [ 0.000000] [] ? mcheck_init_device+0x2b9/0x2b9 [ 0.000000] [] ? setup_arch+0x11c6/0x132e [ 0.000000] [] setup_arch+0x11e3/0x132e [ 0.000000] [] ? reserve_standard_io_resources+0x4b/0x4b [ 0.000000] [] ? vprintk_default+0x65/0x6e [ 0.000000] [] ? printk+0xc2/0xe9 [ 0.000000] [] ? power_down+0x109/0x109 [ 0.000000] [] start_kernel+0x10b/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns [ 0.000000] setup_percpu: NR_CPUS:256 nr_cpumask_bits:256 nr_cpu_ids:4 nr_node_ids:2 [ 0.000000] percpu: Embedded 45 pages/cpu @ffff88005d400000 s144600 r8192 d31528 u1048576 [ 0.000000] KVM setup async PF for cpu 0 [ 0.000000] kvm-stealtime: cpu 0, msr 5d416940 [ 0.000000] Built 2 zonelists in Node order, mobility grouping on. Total pages: 767943 [ 0.000000] Policy zone: DMA32 [ 0.000000] Kernel command line: console=ttyS0 vsyscall=native rodata=n oops=panic panic_on_warn=1 panic=-1 ftrace_dump_on_oops=orig_cpu earlyprintk=serial slub_debug=UZ root=/dev/sda [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07cf0 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] fa7ff19900000010 ffffffffb3c07d18 ffffffffb3c07cc8 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? load_percpu_segment+0x89/0x89 [ 0.000000] [] __x2apic_disable+0x2f/0xe0 [ 0.000000] [] x2apic_setup+0x17/0x20 [ 0.000000] [] cpu_init+0x372/0x938 [ 0.000000] [] ? set_pte+0x29/0x2d [ 0.000000] [] ? syscall_init+0x7f/0x7f [ 0.000000] [] ? set_pte_vaddr+0x8a/0xbd [ 0.000000] [] ? __native_set_fixmap+0x55/0x81 [ 0.000000] [] trap_init+0x2e3/0x362 [ 0.000000] [] start_kernel+0x2cc/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] Memory: 2556944K/3120624K available (23265K kernel code, 61292K rwdata, 7284K rodata, 2144K init, 9660K bss, 563680K reserved, 0K cma-reserved) [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce744 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d38 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 0000000000000010 ffffffffb3c07d60 ffffffffb3c07d10 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? calculate_sizes+0x6d2/0x74d [ 0.000000] [] __kmem_cache_create+0xf9/0xf77 [ 0.000000] [] ? mem_init_print_info+0x372/0x385 [ 0.000000] [] create_boot_cache+0xcd/0x110 [ 0.000000] [] kmem_cache_init+0x3c/0x13d [ 0.000000] [] start_kernel+0x2d6/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=2 [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07e10 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] fa7ff19900000010 ffffffffb3c07e38 ffffffffb3c07de8 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? proc_vmalloc_init+0x2a/0x2a [ 0.000000] [] arch_ioremap_pud_supported+0x2c/0x4d [ 0.000000] [] ioremap_huge_init+0x1c/0x53 [ 0.000000] [] start_kernel+0x2e5/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07e10 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07e38 ffffffffb3c07de8 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? proc_vmalloc_init+0x2a/0x2a [ 0.000000] [] arch_ioremap_pmd_supported+0x2c/0x4d [ 0.000000] [] ioremap_huge_init+0x39/0x53 [ 0.000000] [] start_kernel+0x2e5/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] Hierarchical RCU implementation. [ 0.000000] Build-time adjustment of leaf fanout to 64. [ 0.000000] RCU restricting CPUs from NR_CPUS=256 to nr_cpu_ids=4. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=4 [ 0.000000] NR_IRQS:16640 nr_irqs:456 16 [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/irqdesc.c:177:19 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] ffffffff00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] alloc_desc+0x89/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/irqdesc.c:178:11 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] alloc_desc+0xb6/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/irqdesc.c:184:2 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memset+0x31/0x38 [ 0.000000] [] alloc_desc+0x100/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/irqdesc.c:98:37 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memset+0x31/0x38 [ 0.000000] [] alloc_desc+0x12f/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/irqdesc.c:99:33 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memset+0x31/0x38 [ 0.000000] [] alloc_desc+0x159/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/irqdesc.c:101:24 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memset+0x31/0x38 [ 0.000000] [] alloc_desc+0x183/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/irqdesc.c:102:21 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memset+0x31/0x38 [ 0.000000] [] alloc_desc+0x1b0/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/irqdesc.c:103:22 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memset+0x31/0x38 [ 0.000000] [] alloc_desc+0x1d6/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/irqdesc.c:104:27 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memset+0x31/0x38 [ 0.000000] [] alloc_desc+0x200/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/settings.h:39:29 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memset+0x31/0x38 [ 0.000000] [] alloc_desc+0x22a/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/settings.h:39:29 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memset+0x31/0x38 [ 0.000000] [] alloc_desc+0x25d/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/settings.h:40:29 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memset+0x31/0x38 [ 0.000000] [] alloc_desc+0x27d/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/settings.h:40:29 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memset+0x31/0x38 [ 0.000000] [] alloc_desc+0x296/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/irqdesc.c:107:19 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memset+0x31/0x38 [ 0.000000] [] alloc_desc+0x305/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/irqdesc.c:108:14 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memset+0x31/0x38 [ 0.000000] [] alloc_desc+0x32f/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/irqdesc.c:109:18 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memset+0x31/0x38 [ 0.000000] [] alloc_desc+0x35e/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/irqdesc.c:110:23 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memset+0x31/0x38 [ 0.000000] [] alloc_desc+0x38d/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/irqdesc.c:111:13 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memset+0x31/0x38 [ 0.000000] [] alloc_desc+0x3bc/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/irqdesc.c:112:14 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? memset+0x31/0x38 [ 0.000000] [] alloc_desc+0x3ec/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/irqdesc.c:114:4 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 0.000000] [] alloc_desc+0x491/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/irqdesc.c:82:29 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d88 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07db0 ffffffffb3c07d60 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 0.000000] [] ? memset+0x31/0x38 [ 0.000000] [] alloc_desc+0x56d/0x612 [ 0.000000] [] early_irq_init+0x159/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/chip.c:155:27 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d20 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] ffffffff00000010 ffffffffb3c07d48 ffffffffb3c07cf8 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] irq_set_chip_data+0xa5/0xfe [ 0.000000] [] ? irq_set_handler_data+0xfe/0xfe [ 0.000000] [] ? memset+0x31/0x38 [ 0.000000] [] arch_early_irq_init+0x1a7/0x22f [ 0.000000] [] early_irq_init+0x181/0x18a [ 0.000000] [] start_kernel+0x335/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/chip.c:54:22 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07cd8 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 0000000000000010 ffffffffb3c07d00 ffffffffb3c07cb0 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] irq_set_chip+0xb8/0x111 [ 0.000000] [] ? irq_set_chip_data+0xfe/0xfe [ 0.000000] [] ? x86_64_start_kernel+0x179/0x19c [ 0.000000] [] ? x86_64_start_reservations+0x24/0x26 [ 0.000000] [] ? start_kernel+0x335/0x64b [ 0.000000] [] ? unmask_irq+0xbd/0xbd [ 0.000000] [] irq_set_chip_and_handler_name+0x2d/0x44 [ 0.000000] [] init_ISA_irqs+0xd9/0x101 [ 0.000000] [] native_init_IRQ+0x1b/0x419 [ 0.000000] [] init_IRQ+0x10b/0x116 [ 0.000000] [] start_kernel+0x33a/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/internals.h:122:6 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c98 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 0000000000000010 ffffffffb3c07cc0 ffffffffb3c07c70 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] __irq_get_desc_lock+0xb5/0x1b0 [ 0.000000] [] ? unmask_irq+0xbd/0xbd [ 0.000000] [] __irq_set_handler+0x8f/0xff [ 0.000000] [] ? __irq_do_set_handler+0x40c/0x40c [ 0.000000] [] ? irq_set_chip_data+0xfe/0xfe [ 0.000000] [] ? x86_64_start_kernel+0x179/0x19c [ 0.000000] [] ? x86_64_start_reservations+0x24/0x26 [ 0.000000] [] ? start_kernel+0x335/0x64b [ 0.000000] [] ? unmask_irq+0xbd/0xbd [ 0.000000] [] irq_set_chip_and_handler_name+0x3d/0x44 [ 0.000000] [] init_ISA_irqs+0xd9/0x101 [ 0.000000] [] native_init_IRQ+0x1b/0x419 [ 0.000000] [] init_IRQ+0x10b/0x116 [ 0.000000] [] start_kernel+0x33a/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/chip.c:819:19 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c90 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] ffffffff00000010 ffffffffb3c07cb8 ffffffffb3c07c68 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? unmask_irq+0xbd/0xbd [ 0.000000] [] __irq_do_set_handler+0x19d/0x40c [ 0.000000] [] ? unmask_irq+0xbd/0xbd [ 0.000000] [] __irq_set_handler+0xad/0xff [ 0.000000] [] ? __irq_do_set_handler+0x40c/0x40c [ 0.000000] [] ? irq_set_chip_data+0xfe/0xfe [ 0.000000] [] ? x86_64_start_kernel+0x179/0x19c [ 0.000000] [] ? x86_64_start_reservations+0x24/0x26 [ 0.000000] [] ? start_kernel+0x335/0x64b [ 0.000000] [] ? unmask_irq+0xbd/0xbd [ 0.000000] [] irq_set_chip_and_handler_name+0x3d/0x44 [ 0.000000] [] init_ISA_irqs+0xd9/0x101 [ 0.000000] [] native_init_IRQ+0x1b/0x419 [ 0.000000] [] init_IRQ+0x10b/0x116 [ 0.000000] [] start_kernel+0x33a/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/chip.c:820:13 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c90 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07cb8 ffffffffb3c07c68 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? unmask_irq+0xbd/0xbd [ 0.000000] [] __irq_do_set_handler+0x1c6/0x40c [ 0.000000] [] ? unmask_irq+0xbd/0xbd [ 0.000000] [] __irq_set_handler+0xad/0xff [ 0.000000] [] ? __irq_do_set_handler+0x40c/0x40c [ 0.000000] [] ? irq_set_chip_data+0xfe/0xfe [ 0.000000] [] ? x86_64_start_kernel+0x179/0x19c [ 0.000000] [] ? x86_64_start_reservations+0x24/0x26 [ 0.000000] [] ? start_kernel+0x335/0x64b [ 0.000000] [] ? unmask_irq+0xbd/0xbd [ 0.000000] [] irq_set_chip_and_handler_name+0x3d/0x44 [ 0.000000] [] init_ISA_irqs+0xd9/0x101 [ 0.000000] [] native_init_IRQ+0x1b/0x419 [ 0.000000] [] init_IRQ+0x10b/0x116 [ 0.000000] [] start_kernel+0x33a/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in kernel/irq/internals.h:128:6 [ 0.000000] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 0.000000] which requires 64 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07ca0 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 3d3d3d3d00000010 ffffffffb3c07cc8 ffffffffb3c07c78 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? __raw_callee_save___native_queued_spin_unlock+0x15/0x23 [ 0.000000] [] __irq_put_desc_unlock+0x55/0xe2 [ 0.000000] [] ? unmask_irq+0xbd/0xbd [ 0.000000] [] __irq_set_handler+0xbe/0xff [ 0.000000] [] ? __irq_do_set_handler+0x40c/0x40c [ 0.000000] [] ? irq_set_chip_data+0xfe/0xfe [ 0.000000] [] ? x86_64_start_kernel+0x179/0x19c [ 0.000000] [] ? x86_64_start_reservations+0x24/0x26 [ 0.000000] [] ? start_kernel+0x335/0x64b [ 0.000000] [] ? unmask_irq+0xbd/0xbd [ 0.000000] [] irq_set_chip_and_handler_name+0x3d/0x44 [ 0.000000] [] init_ISA_irqs+0xd9/0x101 [ 0.000000] [] native_init_IRQ+0x1b/0x419 [ 0.000000] [] init_IRQ+0x10b/0x116 [ 0.000000] [] start_kernel+0x33a/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] Console: colour VGA+ 80x25 [ 0.000000] console [ttyS0] enabled [ 0.000000] console [ttyS0] enabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 0.000000] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d30 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] 0000000000000010 ffffffffb3c07d58 ffffffffb3c07d08 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c [ 0.000000] [] tsc_init+0xa9/0x61b [ 0.000000] [] ? init_tsc_clocksource+0x14f/0x14f [ 0.000000] [] ? setup_irq+0xd8/0xe6 [ 0.000000] [] ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c [ 0.000000] [] x86_late_time_init+0x1b/0x1d [ 0.000000] [] start_kernel+0x506/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] tsc: Detected 2699.802 MHz processor [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d18 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] ffffffff00000010 ffffffffb3c07d40 ffffffffb3c07cf0 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 0.000000] [] unsynchronized_tsc+0x28/0xe0 [ 0.000000] [] tsc_init+0x481/0x61b [ 0.000000] [] ? init_tsc_clocksource+0x14f/0x14f [ 0.000000] [] ? setup_irq+0xd8/0xe6 [ 0.000000] [] ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c [ 0.000000] [] x86_late_time_init+0x1b/0x1d [ 0.000000] [] start_kernel+0x506/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce73c for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d18 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] ffffffff00000010 ffffffffb3c07d40 ffffffffb3c07cf0 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? dmi_check_system+0xe7/0xf3 [ 0.000000] [] unsynchronized_tsc+0x85/0xe0 [ 0.000000] [] tsc_init+0x481/0x61b [ 0.000000] [] ? init_tsc_clocksource+0x14f/0x14f [ 0.000000] [] ? setup_irq+0xd8/0xe6 [ 0.000000] [] ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c [ 0.000000] [] x86_late_time_init+0x1b/0x1d [ 0.000000] [] start_kernel+0x506/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 0.000000] ================================================================================ [ 0.000000] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 0.000000] load of misaligned address ffffffffb77ce73c for type 'volatile const long unsigned int' [ 0.000000] which requires 8 byte alignment [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 0.000000] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d30 ffffffffb26ec5cc [ 0.000000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 0.000000] ffffffff00000010 ffffffffb3c07d58 ffffffffb3c07d08 ffffffffb363c3e0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0xd7/0x132 [ 0.000000] [] ? arch_local_irq_restore+0x1b/0x1b [ 0.000000] [] ubsan_epilogue+0x12/0x53 [ 0.000000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 0.000000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 0.000000] [] ? dmi_check_system+0xe7/0xf3 [ 0.000000] [] tsc_init+0x4b5/0x61b [ 0.000000] [] ? init_tsc_clocksource+0x14f/0x14f [ 0.000000] [] ? setup_irq+0xd8/0xe6 [ 0.000000] [] ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c [ 0.000000] [] x86_late_time_init+0x1b/0x1d [ 0.000000] [] start_kernel+0x506/0x64b [ 0.000000] [] ? thread_stack_cache_init+0xb/0xb [ 0.000000] [] ? cmdline_find_option_bool+0x131/0x146 [ 0.000000] [] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x24/0x26 [ 0.000000] [] x86_64_start_kernel+0x179/0x19c [ 0.000000] ================================================================================ [ 193.746175] Calibrating delay loop (skipped) preset value.. 5399.60 BogoMIPS (lpj=10799208) [ 193.776507] pid_max: default: 32768 minimum: 301 [ 193.793880] ACPI: Core revision 20160422 [ 193.806344] ================================================================================ [ 193.828151] UBSAN: Undefined behaviour in drivers/acpi/acpica/nsaccess.c:563:3 [ 193.849220] load of misaligned address ffff88005d0882c9 for type 'u32' [ 193.873602] which requires 4 byte alignment [ 193.887002] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 193.904223] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 193.928914] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07ab8 ffffffffb26ec5cc [ 193.953560] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 193.981242] ffffffff00000010 ffffffffb3c07ae0 ffffffffb3c07a90 ffffffffb363c3e0 [ 194.003231] Call Trace: [ 194.011282] [] dump_stack+0xd7/0x132 [ 194.026714] [] ? arch_local_irq_restore+0x1b/0x1b [ 194.043818] [] ubsan_epilogue+0x12/0x53 [ 194.067663] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 194.084983] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 194.104688] [] ? __raw_callee_save___native_queued_spin_unlock+0x23/0x23 [ 194.130906] [] ? kasan_kmalloc+0x62/0xa3 [ 194.147557] [] acpi_ns_lookup+0x5fb/0x9ae [ 194.165836] [] ? acpi_enter_sleep_state+0xa2/0xa2 [ 194.184914] [] ? down_timeout+0xa0/0xad [ 194.205123] [] ? acpi_ut_acquire_mutex+0x1ec/0x1fe [ 194.223309] [] acpi_ns_get_node+0x1ff/0x271 [ 194.241239] [] ? acpi_ns_opens_scope+0x94/0x94 [ 194.262616] [] ? arch_local_irq_restore+0xb/0xd [ 194.282591] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 194.303203] [] acpi_ns_root_initialize+0x676/0x6c1 [ 194.322622] [] ? acpi_ns_root_initialize+0x676/0x6c1 [ 194.341155] [] ? acpi_ns_lookup+0x9ae/0x9ae [ 194.359719] [] ? acpi_ut_mutex_initialize+0x27f/0x28e [ 194.377418] [] acpi_initialize_subsystem+0x97/0xeb [ 194.412796] [] ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c [ 194.436564] [] acpi_early_init+0xbe/0x202 [ 194.453859] [] ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c [ 194.475474] [] start_kernel+0x524/0x64b [ 194.490099] [] ? thread_stack_cache_init+0xb/0xb [ 194.506092] [] ? cmdline_find_option_bool+0x131/0x146 [ 194.537944] [] ? early_idt_handler_array+0x120/0x120 [ 194.556823] [] x86_64_start_reservations+0x24/0x26 [ 194.577081] [] x86_64_start_kernel+0x179/0x19c [ 194.597858] ================================================================================ [ 194.628892] ================================================================================ [ 194.653979] UBSAN: Undefined behaviour in drivers/acpi/acpica/psargs.c:415:3 [ 194.673790] load of misaligned address ffffc90000004071 for type 'u16' [ 194.693213] which requires 2 byte alignment [ 194.706425] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 194.724342] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 194.752859] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07a98 ffffffffb26ec5cc [ 194.780519] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 194.803100] 0000000000000010 ffffffffb3c07ac0 ffffffffb3c07a70 ffffffffb363c3e0 [ 194.825997] Call Trace: [ 194.833031] [] dump_stack+0xd7/0x132 [ 194.849008] [] ? arch_local_irq_restore+0x1b/0x1b [ 194.869402] [] ubsan_epilogue+0x12/0x53 [ 194.885660] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 194.903749] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 194.925008] [] ? acpi_ps_get_next_simple_arg+0x311/0x31d [ 194.944589] [] ? acpi_ut_create_generic_state+0x57/0x7e [ 194.964410] [] acpi_ps_get_next_simple_arg+0xd8/0x31d [ 194.983155] [] acpi_ps_parse_loop+0x6dc/0x1926 [ 195.004417] [] ? acpi_ps_get_next_arg+0x1056/0x1056 [ 195.024917] [] ? acpi_ut_create_generic_state+0x57/0x7e [ 195.044833] [] ? acpi_ut_create_generic_state+0x57/0x7e [ 195.073201] [] acpi_ps_parse_aml+0x22c/0x8bc [ 195.090045] [] acpi_ns_one_complete_parse+0x283/0x2d9 [ 195.109666] [] ? acpi_ns_get_attached_data+0x144/0x144 [ 195.131556] [] ? _raw_spin_unlock_irqrestore+0x9/0x1d [ 195.149697] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 195.168423] [] acpi_ns_parse_table+0x26/0x4f [ 195.183359] [] acpi_ns_load_table+0x69/0x139 [ 195.200476] [] acpi_tb_load_namespace+0x1f2/0x4d4 [ 195.222819] [] ? acpi_ev_install_region_handlers+0xe8/0xf5 [ 195.243811] [] ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c [ 195.270074] [] acpi_load_tables+0x43/0xc4 [ 195.284966] [] ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c [ 195.308322] [] acpi_early_init+0xf4/0x202 [ 195.324820] [] ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c [ 195.345873] [] start_kernel+0x524/0x64b [ 195.361088] [] ? thread_stack_cache_init+0xb/0xb [ 195.378996] [] ? cmdline_find_option_bool+0x131/0x146 [ 195.403928] [] ? early_idt_handler_array+0x120/0x120 [ 195.422680] [] x86_64_start_reservations+0x24/0x26 [ 195.440507] [] x86_64_start_kernel+0x179/0x19c [ 195.457642] ================================================================================ [ 195.482653] ================================================================================ [ 195.506730] UBSAN: Undefined behaviour in drivers/acpi/acpica/psargs.c:424:3 [ 195.527493] load of misaligned address ffffc900000040c1 for type 'u32' [ 195.545075] which requires 4 byte alignment [ 195.558460] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 195.574153] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 195.602386] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07a98 ffffffffb26ec5cc [ 195.622621] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 195.644820] 0000000000000010 ffffffffb3c07ac0 ffffffffb3c07a70 ffffffffb363c3e0 [ 195.668381] Call Trace: [ 195.682534] [] dump_stack+0xd7/0x132 [ 195.697170] [] ? arch_local_irq_restore+0x1b/0x1b [ 195.719846] [] ubsan_epilogue+0x12/0x53 [ 195.736744] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 195.756887] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 195.773592] [] ? acpi_ut_create_generic_state+0x57/0x7e [ 195.794618] [] acpi_ps_get_next_simple_arg+0x13b/0x31d [ 195.813430] [] acpi_ps_parse_loop+0x6dc/0x1926 [ 195.829747] [] ? acpi_ps_get_next_arg+0x1056/0x1056 [ 195.851926] [] ? acpi_ut_create_generic_state+0x57/0x7e [ 195.873843] [] ? acpi_ut_create_generic_state+0x57/0x7e [ 195.892956] [] acpi_ps_parse_aml+0x22c/0x8bc [ 195.912718] [] acpi_ns_one_complete_parse+0x283/0x2d9 [ 195.941301] [] ? acpi_ns_get_attached_data+0x144/0x144 [ 195.973642] [] ? _raw_spin_unlock_irqrestore+0x9/0x1d [ 196.004487] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 196.031103] [] acpi_ns_parse_table+0x26/0x4f [ 196.051735] [] acpi_ns_load_table+0x69/0x139 [ 196.075161] [] acpi_tb_load_namespace+0x1f2/0x4d4 [ 196.094191] [] ? acpi_ev_install_region_handlers+0xe8/0xf5 [ 196.113517] [] ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c [ 196.139253] [] acpi_load_tables+0x43/0xc4 [ 196.158121] [] ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c [ 196.182897] [] acpi_early_init+0xf4/0x202 [ 196.196641] [] ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c [ 196.222041] [] start_kernel+0x524/0x64b [ 196.240073] [] ? thread_stack_cache_init+0xb/0xb [ 196.256419] [] ? cmdline_find_option_bool+0x131/0x146 [ 196.275267] [] ? early_idt_handler_array+0x120/0x120 [ 196.294446] [] x86_64_start_reservations+0x24/0x26 [ 196.311985] [] x86_64_start_kernel+0x179/0x19c [ 196.329415] ================================================================================ [ 196.358377] ================================================================================ [ 196.382526] UBSAN: Undefined behaviour in drivers/acpi/acpica/psargs.c:550:3 [ 196.402951] load of misaligned address ffffc90000004107 for type 'u32' [ 196.423082] which requires 4 byte alignment [ 196.433339] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 196.451183] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 196.490982] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07a60 ffffffffb26ec5cc [ 196.511735] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 196.544236] ffffffff00000010 ffffffffb3c07a88 ffffffffb3c07a38 ffffffffb363c3e0 [ 196.566121] Call Trace: [ 196.573281] [] dump_stack+0xd7/0x132 [ 196.589390] [] ? arch_local_irq_restore+0x1b/0x1b [ 196.607170] [] ubsan_epilogue+0x12/0x53 [ 196.624172] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 196.643329] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 196.663054] [] acpi_ps_get_next_arg+0x462/0x1056 [ 196.683766] [] ? acpi_ps_append_arg+0x20a/0x2b2 [ 196.700073] [] acpi_ps_parse_loop+0x7ff/0x1926 [ 196.721042] [] ? acpi_ps_get_next_arg+0x1056/0x1056 [ 196.741731] [] ? acpi_ut_create_generic_state+0x57/0x7e [ 196.763909] [] ? acpi_ut_create_generic_state+0x57/0x7e [ 196.785026] [] acpi_ps_parse_aml+0x22c/0x8bc [ 196.801988] [] acpi_ns_one_complete_parse+0x283/0x2d9 [ 196.822917] [] ? acpi_ns_get_attached_data+0x144/0x144 [ 196.843510] [] ? _raw_spin_unlock_irqrestore+0x9/0x1d [ 196.861509] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 196.883632] [] acpi_ns_parse_table+0x26/0x4f [ 196.899302] [] acpi_ns_load_table+0x69/0x139 [ 196.915208] [] acpi_tb_load_namespace+0x1f2/0x4d4 [ 196.933232] [] ? acpi_ev_install_region_handlers+0xe8/0xf5 [ 196.954260] [] ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c [ 196.977601] [] acpi_load_tables+0x43/0xc4 [ 196.993794] [] ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c [ 197.014485] [] acpi_early_init+0xf4/0x202 [ 197.030911] [] ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c [ 197.054289] [] start_kernel+0x524/0x64b [ 197.067235] [] ? thread_stack_cache_init+0xb/0xb [ 197.085389] [] ? cmdline_find_option_bool+0x131/0x146 [ 197.113875] [] ? early_idt_handler_array+0x120/0x120 [ 197.133777] [] x86_64_start_reservations+0x24/0x26 [ 197.153614] [] x86_64_start_kernel+0x179/0x19c [ 197.170232] ================================================================================ [ 197.591108] ACPI: 1 ACPI AML tables successfully acquired and loaded [ 197.607311] [ 197.612022] Security Framework initialized [ 197.627147] Yama: becoming mindful. [ 197.636840] AppArmor: AppArmor initialized [ 197.717444] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 197.816214] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes) [ 197.923474] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes) [ 197.944821] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes) [ 197.970426] ================================================================================ [ 197.993665] UBSAN: Undefined behaviour in fs/super.c:195:15 [ 198.008977] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 198.031237] which requires 64 byte alignment [ 198.045073] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 198.060529] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 198.087976] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 198.109100] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 198.131648] ffff880000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 198.151027] Call Trace: [ 198.160122] [] dump_stack+0xd7/0x132 [ 198.172155] [] ? arch_local_irq_restore+0x1b/0x1b [ 198.190961] [] ubsan_epilogue+0x12/0x53 [ 198.209221] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 198.231729] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 198.262460] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 198.285471] [] ? sget_userns+0x180/0xcbc [ 198.301636] [] sget_userns+0x8e8/0xcbc [ 198.317503] [] ? get_anon_bdev+0x1e7/0x1e7 [ 198.332470] [] ? aa_put_label+0x24/0x27 [ 198.349836] [] ? get_super_thawed+0x211/0x211 [ 198.366829] [] ? security_capable+0xaa/0xb9 [ 198.384727] [] ? get_anon_bdev+0x1e7/0x1e7 [ 198.401056] [] ? ns_capable_common+0x149/0x153 [ 198.417949] [] ? get_anon_bdev+0x1e7/0x1e7 [ 198.436020] [] sget+0xae/0xe3 [ 198.446986] [] ? ramfs_symlink+0x126/0x126 [ 198.467772] [] ? ramfs_symlink+0x126/0x126 [ 198.482425] [] mount_nodev+0x3e/0x11e [ 198.506267] [] ? ramfs_symlink+0x126/0x126 [ 198.523163] [] rootfs_mount+0x86/0x9d [ 198.536303] [] mount_fs+0xd0/0x2ca [ 198.549462] [] vfs_kern_mount+0xa0/0x20a [ 198.567736] [] mnt_init+0x280/0x44f [ 198.581987] [] ? set_mphash_entries+0x48/0x48 [ 198.600648] [] ? kmem_cache_create+0xe7/0x129 [ 198.618460] [] vfs_caches_init+0x85/0x15f [ 198.633321] [] start_kernel+0x599/0x64b [ 198.647087] [] ? thread_stack_cache_init+0xb/0xb [ 198.663339] [] ? cmdline_find_option_bool+0x131/0x146 [ 198.686098] [] ? early_idt_handler_array+0x120/0x120 [ 198.705309] [] x86_64_start_reservations+0x24/0x26 [ 198.722484] [] x86_64_start_kernel+0x179/0x19c [ 198.741129] ================================================================================ [ 198.765918] ================================================================================ [ 198.788439] UBSAN: Undefined behaviour in fs/super.c:207:11 [ 198.804223] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 198.828286] which requires 64 byte alignment [ 198.840310] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 198.857267] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 198.883725] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 198.905968] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 198.928023] ffffffff00000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 198.949724] Call Trace: [ 198.956661] [] dump_stack+0xd7/0x132 [ 198.971017] [] ? arch_local_irq_restore+0x1b/0x1b [ 199.007935] [] ubsan_epilogue+0x12/0x53 [ 199.030551] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 199.050362] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 199.070450] [] ? sget_userns+0x180/0xcbc [ 199.089186] [] sget_userns+0x921/0xcbc [ 199.103656] [] ? get_anon_bdev+0x1e7/0x1e7 [ 199.120898] [] ? get_super_thawed+0x211/0x211 [ 199.141090] [] ? security_capable+0xaa/0xb9 [ 199.159011] [] ? get_anon_bdev+0x1e7/0x1e7 [ 199.173928] [] ? ns_capable_common+0x149/0x153 [ 199.191742] [] ? get_anon_bdev+0x1e7/0x1e7 [ 199.214331] [] sget+0xae/0xe3 [ 199.226343] [] ? ramfs_symlink+0x126/0x126 [ 199.246805] [] ? ramfs_symlink+0x126/0x126 [ 199.273891] [] mount_nodev+0x3e/0x11e [ 199.290372] [] ? ramfs_symlink+0x126/0x126 [ 199.309865] [] rootfs_mount+0x86/0x9d [ 199.325890] [] mount_fs+0xd0/0x2ca [ 199.340781] [] vfs_kern_mount+0xa0/0x20a [ 199.354840] [] mnt_init+0x280/0x44f [ 199.370205] [] ? set_mphash_entries+0x48/0x48 [ 199.387225] [] ? kmem_cache_create+0xe7/0x129 [ 199.402657] [] vfs_caches_init+0x85/0x15f [ 199.418613] [] start_kernel+0x599/0x64b [ 199.437152] [] ? thread_stack_cache_init+0xb/0xb [ 199.456452] [] ? cmdline_find_option_bool+0x131/0x146 [ 199.477721] [] ? early_idt_handler_array+0x120/0x120 [ 199.495367] [] x86_64_start_reservations+0x24/0x26 [ 199.526671] [] x86_64_start_kernel+0x179/0x19c [ 199.545444] ================================================================================ [ 199.568674] ================================================================================ [ 199.591996] UBSAN: Undefined behaviour in fs/super.c:208:13 [ 199.607753] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 199.634034] which requires 64 byte alignment [ 199.645964] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 199.663765] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 199.690060] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 199.711787] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 199.736733] 0000000000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 199.759458] Call Trace: [ 199.764980] [] dump_stack+0xd7/0x132 [ 199.784399] [] ? arch_local_irq_restore+0x1b/0x1b [ 199.811037] [] ubsan_epilogue+0x12/0x53 [ 199.827283] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 199.846851] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 199.867096] [] ? sget_userns+0x180/0xcbc [ 199.881988] [] sget_userns+0x935/0xcbc [ 199.897795] [] ? get_anon_bdev+0x1e7/0x1e7 [ 199.916895] [] ? get_super_thawed+0x211/0x211 [ 199.932081] [] ? security_capable+0xaa/0xb9 [ 199.948379] [] ? get_anon_bdev+0x1e7/0x1e7 [ 199.967231] [] ? ns_capable_common+0x149/0x153 [ 199.983803] [] ? get_anon_bdev+0x1e7/0x1e7 [ 199.999227] [] sget+0xae/0xe3 [ 200.011989] [] ? ramfs_symlink+0x126/0x126 [ 200.029643] [] ? ramfs_symlink+0x126/0x126 [ 200.047233] [] mount_nodev+0x3e/0x11e [ 200.064159] [] ? ramfs_symlink+0x126/0x126 [ 200.081160] [] rootfs_mount+0x86/0x9d [ 200.093383] [] mount_fs+0xd0/0x2ca [ 200.108868] [] vfs_kern_mount+0xa0/0x20a [ 200.124739] [] mnt_init+0x280/0x44f [ 200.141182] [] ? set_mphash_entries+0x48/0x48 [ 200.166375] [] ? kmem_cache_create+0xe7/0x129 [ 200.187367] [] vfs_caches_init+0x85/0x15f [ 200.206243] [] start_kernel+0x599/0x64b [ 200.221119] [] ? thread_stack_cache_init+0xb/0xb [ 200.238022] [] ? cmdline_find_option_bool+0x131/0x146 [ 200.254153] [] ? early_idt_handler_array+0x120/0x120 [ 200.272520] [] x86_64_start_reservations+0x24/0x26 [ 200.291550] [] x86_64_start_kernel+0x179/0x19c [ 200.309884] ================================================================================ [ 200.337155] ================================================================================ [ 200.361514] UBSAN: Undefined behaviour in fs/super.c:209:7 [ 200.376148] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 200.400738] which requires 64 byte alignment [ 200.413392] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 200.428713] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 200.456222] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 200.476589] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 200.496299] 0000000000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 200.527123] Call Trace: [ 200.532952] [] dump_stack+0xd7/0x132 [ 200.549138] [] ? arch_local_irq_restore+0x1b/0x1b [ 200.567674] [] ubsan_epilogue+0x12/0x53 [ 200.583236] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 200.604805] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 200.628449] [] ? sget_userns+0x180/0xcbc [ 200.643110] [] sget_userns+0x949/0xcbc [ 200.660326] [] ? get_anon_bdev+0x1e7/0x1e7 [ 200.679748] [] ? get_super_thawed+0x211/0x211 [ 200.694997] [] ? security_capable+0xaa/0xb9 [ 200.711315] [] ? get_anon_bdev+0x1e7/0x1e7 [ 200.725761] [] ? ns_capable_common+0x149/0x153 [ 200.743593] [] ? get_anon_bdev+0x1e7/0x1e7 [ 200.760181] [] sget+0xae/0xe3 [ 200.772193] [] ? ramfs_symlink+0x126/0x126 [ 200.788725] [] ? ramfs_symlink+0x126/0x126 [ 200.806868] [] mount_nodev+0x3e/0x11e [ 200.821244] [] ? ramfs_symlink+0x126/0x126 [ 200.864337] [] rootfs_mount+0x86/0x9d [ 200.895321] [] mount_fs+0xd0/0x2ca [ 200.924479] [] vfs_kern_mount+0xa0/0x20a [ 200.942491] [] mnt_init+0x280/0x44f [ 200.959038] [] ? set_mphash_entries+0x48/0x48 [ 200.979903] [] ? kmem_cache_create+0xe7/0x129 [ 200.994168] [] vfs_caches_init+0x85/0x15f [ 201.020907] [] start_kernel+0x599/0x64b [ 201.040044] [] ? thread_stack_cache_init+0xb/0xb [ 201.057458] [] ? cmdline_find_option_bool+0x131/0x146 [ 201.079372] [] ? early_idt_handler_array+0x120/0x120 [ 201.097350] [] x86_64_start_reservations+0x24/0x26 [ 201.114722] [] x86_64_start_kernel+0x179/0x19c [ 201.134903] ================================================================================ [ 201.163195] ================================================================================ [ 201.188231] UBSAN: Undefined behaviour in fs/super.c:212:2 [ 201.202345] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 201.240295] which requires 64 byte alignment [ 201.250813] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 201.268917] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 201.306504] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 201.328235] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 201.351654] 0000000000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 201.373667] Call Trace: [ 201.381904] [] dump_stack+0xd7/0x132 [ 201.396696] [] ? arch_local_irq_restore+0x1b/0x1b [ 201.416279] [] ubsan_epilogue+0x12/0x53 [ 201.431312] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 201.449230] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 201.469788] [] ? sget_userns+0x180/0xcbc [ 201.493044] [] sget_userns+0x9ae/0xcbc [ 201.509684] [] ? get_anon_bdev+0x1e7/0x1e7 [ 201.524523] [] ? get_super_thawed+0x211/0x211 [ 201.543267] [] ? security_capable+0xaa/0xb9 [ 201.560321] [] ? get_anon_bdev+0x1e7/0x1e7 [ 201.577803] [] ? ns_capable_common+0x149/0x153 [ 201.593879] [] ? get_anon_bdev+0x1e7/0x1e7 [ 201.613713] [] sget+0xae/0xe3 [ 201.625771] [] ? ramfs_symlink+0x126/0x126 [ 201.644646] [] ? ramfs_symlink+0x126/0x126 [ 201.664273] [] mount_nodev+0x3e/0x11e [ 201.678212] [] ? ramfs_symlink+0x126/0x126 [ 201.693301] [] rootfs_mount+0x86/0x9d [ 201.707310] [] mount_fs+0xd0/0x2ca [ 201.722120] [] vfs_kern_mount+0xa0/0x20a [ 201.741153] [] mnt_init+0x280/0x44f [ 201.756353] [] ? set_mphash_entries+0x48/0x48 [ 201.771490] [] ? kmem_cache_create+0xe7/0x129 [ 201.790435] [] vfs_caches_init+0x85/0x15f [ 201.805256] [] start_kernel+0x599/0x64b [ 201.819202] [] ? thread_stack_cache_init+0xb/0xb [ 201.840791] [] ? cmdline_find_option_bool+0x131/0x146 [ 201.867151] [] ? early_idt_handler_array+0x120/0x120 [ 201.885359] [] x86_64_start_reservations+0x24/0x26 [ 201.901271] [] x86_64_start_kernel+0x179/0x19c [ 201.918964] ================================================================================ [ 201.943159] ================================================================================ [ 201.967050] UBSAN: Undefined behaviour in fs/super.c:215:2 [ 201.983234] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 202.007620] which requires 64 byte alignment [ 202.021312] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 202.042451] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 202.070746] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 202.092016] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 202.115403] 0000000000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 202.140270] Call Trace: [ 202.145982] [] dump_stack+0xd7/0x132 [ 202.161848] [] ? arch_local_irq_restore+0x1b/0x1b [ 202.180545] [] ubsan_epilogue+0x12/0x53 [ 202.194902] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 202.219582] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 202.241565] [] sget_userns+0x9c2/0xcbc [ 202.255603] [] ? get_anon_bdev+0x1e7/0x1e7 [ 202.272611] [] ? get_super_thawed+0x211/0x211 [ 202.293738] [] ? security_capable+0xaa/0xb9 [ 202.307986] [] ? get_anon_bdev+0x1e7/0x1e7 [ 202.325514] [] ? ns_capable_common+0x149/0x153 [ 202.343294] [] ? get_anon_bdev+0x1e7/0x1e7 [ 202.369305] [] sget+0xae/0xe3 [ 202.381438] [] ? ramfs_symlink+0x126/0x126 [ 202.400579] [] ? ramfs_symlink+0x126/0x126 [ 202.416100] [] mount_nodev+0x3e/0x11e [ 202.431746] [] ? ramfs_symlink+0x126/0x126 [ 202.447086] [] rootfs_mount+0x86/0x9d [ 202.463004] [] mount_fs+0xd0/0x2ca [ 202.479101] [] vfs_kern_mount+0xa0/0x20a [ 202.492167] [] mnt_init+0x280/0x44f [ 202.507522] [] ? set_mphash_entries+0x48/0x48 [ 202.524274] [] ? kmem_cache_create+0xe7/0x129 [ 202.543283] [] vfs_caches_init+0x85/0x15f [ 202.560349] [] start_kernel+0x599/0x64b [ 202.574768] [] ? thread_stack_cache_init+0xb/0xb [ 202.591326] [] ? cmdline_find_option_bool+0x131/0x146 [ 202.612163] [] ? early_idt_handler_array+0x120/0x120 [ 202.629416] [] x86_64_start_reservations+0x24/0x26 [ 202.647947] [] x86_64_start_kernel+0x179/0x19c [ 202.666362] ================================================================================ [ 202.690918] ================================================================================ [ 202.717346] UBSAN: Undefined behaviour in fs/super.c:217:2 [ 202.733081] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 202.758269] which requires 64 byte alignment [ 202.774183] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 202.790481] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 202.816294] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 202.840005] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 202.858700] 0000000000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 202.880379] Call Trace: [ 202.885870] [] dump_stack+0xd7/0x132 [ 202.905255] [] ? arch_local_irq_restore+0x1b/0x1b [ 202.921555] [] ubsan_epilogue+0x12/0x53 [ 202.936396] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 202.957197] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 202.985426] [] sget_userns+0x9d6/0xcbc [ 202.999747] [] ? get_anon_bdev+0x1e7/0x1e7 [ 203.017376] [] ? get_super_thawed+0x211/0x211 [ 203.034295] [] ? security_capable+0xaa/0xb9 [ 203.050543] [] ? get_anon_bdev+0x1e7/0x1e7 [ 203.066825] [] ? ns_capable_common+0x149/0x153 [ 203.083262] [] ? get_anon_bdev+0x1e7/0x1e7 [ 203.098510] [] sget+0xae/0xe3 [ 203.113105] [] ? ramfs_symlink+0x126/0x126 [ 203.129131] [] ? ramfs_symlink+0x126/0x126 [ 203.147292] [] mount_nodev+0x3e/0x11e [ 203.166226] [] ? ramfs_symlink+0x126/0x126 [ 203.181179] [] rootfs_mount+0x86/0x9d [ 203.199200] [] mount_fs+0xd0/0x2ca [ 203.212803] [] vfs_kern_mount+0xa0/0x20a [ 203.241906] [] mnt_init+0x280/0x44f [ 203.257094] [] ? set_mphash_entries+0x48/0x48 [ 203.277480] [] ? kmem_cache_create+0xe7/0x129 [ 203.294473] [] vfs_caches_init+0x85/0x15f [ 203.311029] [] start_kernel+0x599/0x64b [ 203.329005] [] ? thread_stack_cache_init+0xb/0xb [ 203.347181] [] ? cmdline_find_option_bool+0x131/0x146 [ 203.366068] [] ? early_idt_handler_array+0x120/0x120 [ 203.385123] [] x86_64_start_reservations+0x24/0x26 [ 203.401843] [] x86_64_start_kernel+0x179/0x19c [ 203.418136] ================================================================================ [ 203.440821] ================================================================================ [ 203.463267] UBSAN: Undefined behaviour in mm/list_lru.c:548:3 [ 203.480204] member access within misaligned address ffff88005c99b278 for type 'struct list_lru_node' [ 203.509183] which requires 64 byte alignment [ 203.521516] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 203.538834] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 203.565605] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07a48 ffffffffb26ec5cc [ 203.585393] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 203.617406] ffff880000000010 ffffffffb3c07a70 ffffffffb3c07a20 ffffffffb363c3e0 [ 203.639653] Call Trace: [ 203.645967] [] dump_stack+0xd7/0x132 [ 203.659347] [] ? arch_local_irq_restore+0x1b/0x1b [ 203.679617] [] ubsan_epilogue+0x12/0x53 [ 203.693972] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 203.718237] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 203.735958] [] ? find_first_bit+0xa2/0xb1 [ 203.753759] [] __list_lru_init+0x17f/0x5ed [ 203.769293] [] ? __memcg_init_list_lru_node+0x1d1/0x1d1 [ 203.791429] [] sget_userns+0x564/0xcbc [ 203.806522] [] ? get_anon_bdev+0x1e7/0x1e7 [ 203.823005] [] ? get_super_thawed+0x211/0x211 [ 203.840529] [] ? security_capable+0xaa/0xb9 [ 203.858955] [] ? get_anon_bdev+0x1e7/0x1e7 [ 203.873565] [] ? ns_capable_common+0x149/0x153 [ 203.889860] [] ? get_anon_bdev+0x1e7/0x1e7 [ 203.905731] [] sget+0xae/0xe3 [ 203.917746] [] ? ramfs_symlink+0x126/0x126 [ 203.934058] [] ? ramfs_symlink+0x126/0x126 [ 203.948961] [] mount_nodev+0x3e/0x11e [ 203.968075] [] ? ramfs_symlink+0x126/0x126 [ 203.992997] [] rootfs_mount+0x86/0x9d [ 204.007498] [] mount_fs+0xd0/0x2ca [ 204.023126] [] vfs_kern_mount+0xa0/0x20a [ 204.040145] [] mnt_init+0x280/0x44f [ 204.052793] [] ? set_mphash_entries+0x48/0x48 [ 204.070594] [] ? kmem_cache_create+0xe7/0x129 [ 204.090186] [] vfs_caches_init+0x85/0x15f [ 204.104309] [] start_kernel+0x599/0x64b [ 204.120814] [] ? thread_stack_cache_init+0xb/0xb [ 204.138584] [] ? cmdline_find_option_bool+0x131/0x146 [ 204.155359] [] ? early_idt_handler_array+0x120/0x120 [ 204.174796] [] x86_64_start_reservations+0x24/0x26 [ 204.194364] [] x86_64_start_kernel+0x179/0x19c [ 204.218629] ================================================================================ [ 204.256887] ================================================================================ [ 204.281544] UBSAN: Undefined behaviour in mm/list_lru.c:330:19 [ 204.298589] member access within misaligned address ffff88005c99b278 for type 'struct list_lru_node' [ 204.324826] which requires 64 byte alignment [ 204.337597] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 204.353846] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 204.381176] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07a48 ffffffffb26ec5cc [ 204.402225] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 204.423597] 0000000000000010 ffffffffb3c07a70 ffffffffb3c07a20 ffffffffb363c3e0 [ 204.448141] Call Trace: [ 204.454860] [] dump_stack+0xd7/0x132 [ 204.470443] [] ? arch_local_irq_restore+0x1b/0x1b [ 204.496153] [] ubsan_epilogue+0x12/0x53 [ 204.510274] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 204.529352] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 204.553056] [] ? __kmalloc+0x80/0x2e7 [ 204.570703] [] ? find_first_bit+0xa2/0xb1 [ 204.587680] [] __list_lru_init+0x2fc/0x5ed [ 204.602289] [] ? __memcg_init_list_lru_node+0x1d1/0x1d1 [ 204.623072] [] sget_userns+0x564/0xcbc [ 204.637535] [] ? get_anon_bdev+0x1e7/0x1e7 [ 204.653322] [] ? get_super_thawed+0x211/0x211 [ 204.670745] [] ? security_capable+0xaa/0xb9 [ 204.687687] [] ? get_anon_bdev+0x1e7/0x1e7 [ 204.704084] [] ? ns_capable_common+0x149/0x153 [ 204.723992] [] ? get_anon_bdev+0x1e7/0x1e7 [ 204.741868] [] sget+0xae/0xe3 [ 204.753003] [] ? ramfs_symlink+0x126/0x126 [ 204.768901] [] ? ramfs_symlink+0x126/0x126 [ 204.784873] [] mount_nodev+0x3e/0x11e [ 204.802213] [] ? ramfs_symlink+0x126/0x126 [ 204.817808] [] rootfs_mount+0x86/0x9d [ 204.831496] [] mount_fs+0xd0/0x2ca [ 204.848551] [] vfs_kern_mount+0xa0/0x20a [ 204.865862] [] mnt_init+0x280/0x44f [ 204.883274] [] ? set_mphash_entries+0x48/0x48 [ 204.899977] [] ? kmem_cache_create+0xe7/0x129 [ 204.919763] [] vfs_caches_init+0x85/0x15f [ 204.935007] [] start_kernel+0x599/0x64b [ 204.950377] [] ? thread_stack_cache_init+0xb/0xb [ 204.969492] [] ? cmdline_find_option_bool+0x131/0x146 [ 204.993699] [] ? early_idt_handler_array+0x120/0x120 [ 205.013523] [] x86_64_start_reservations+0x24/0x26 [ 205.035175] [] x86_64_start_kernel+0x179/0x19c [ 205.051703] ================================================================================ [ 205.076522] ================================================================================ [ 205.100505] UBSAN: Undefined behaviour in mm/list_lru.c:331:11 [ 205.119366] member access within misaligned address ffff88005c99b278 for type 'struct list_lru_node' [ 205.148687] which requires 64 byte alignment [ 205.162159] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 205.176779] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 205.201831] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07a48 ffffffffb26ec5cc [ 205.227352] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 205.267494] 0000000000000010 ffffffffb3c07a70 ffffffffb3c07a20 ffffffffb363c3e0 [ 205.290874] Call Trace: [ 205.298448] [] dump_stack+0xd7/0x132 [ 205.313127] [] ? arch_local_irq_restore+0x1b/0x1b [ 205.333182] [] ubsan_epilogue+0x12/0x53 [ 205.348941] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 205.369292] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 205.388473] [] ? __kmalloc+0x80/0x2e7 [ 205.403501] [] ? find_first_bit+0xa2/0xb1 [ 205.419006] [] __list_lru_init+0x32f/0x5ed [ 205.435460] [] ? __memcg_init_list_lru_node+0x1d1/0x1d1 [ 205.458220] [] sget_userns+0x564/0xcbc [ 205.472047] [] ? get_anon_bdev+0x1e7/0x1e7 [ 205.491388] [] ? get_super_thawed+0x211/0x211 [ 205.509738] [] ? security_capable+0xaa/0xb9 [ 205.526919] [] ? get_anon_bdev+0x1e7/0x1e7 [ 205.546812] [] ? ns_capable_common+0x149/0x153 [ 205.564995] [] ? get_anon_bdev+0x1e7/0x1e7 [ 205.581437] [] sget+0xae/0xe3 [ 205.594326] [] ? ramfs_symlink+0x126/0x126 [ 205.608681] [] ? ramfs_symlink+0x126/0x126 [ 205.626755] [] mount_nodev+0x3e/0x11e [ 205.641674] [] ? ramfs_symlink+0x126/0x126 [ 205.655234] [] rootfs_mount+0x86/0x9d [ 205.673669] [] mount_fs+0xd0/0x2ca [ 210.683678] [] vfs_kern_mount+0xa0/0x20a [ 210.780411] [] mnt_init+0x280/0x44f [ 210.828222] [] ? set_mphash_entries+0x48/0x48 [ 210.866138] [] ? kmem_cache_create+0xe7/0x129 [ 210.910121] [] vfs_caches_init+0x85/0x15f [ 210.937938] [] start_kernel+0x599/0x64b [ 210.971174] [] ? thread_stack_cache_init+0xb/0xb [ 211.016793] [] ? cmdline_find_option_bool+0x131/0x146 [ 211.072203] [] ? early_idt_handler_array+0x120/0x120 [ 211.104651] [] x86_64_start_reservations+0x24/0x26 [ 211.148374] [] x86_64_start_kernel+0x179/0x19c [ 211.248080] ================================================================================ [ 211.272976] ================================================================================ [ 211.300131] UBSAN: Undefined behaviour in mm/list_lru.c:334:6 [ 211.327934] member access within misaligned address ffff88005c99b278 for type 'struct list_lru_node' [ 211.382481] which requires 64 byte alignment [ 211.401583] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 211.441980] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 211.512254] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07a48 ffffffffb26ec5cc [ 211.561712] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 211.613056] 0000000000000010 ffffffffb3c07a70 ffffffffb3c07a20 ffffffffb363c3e0 [ 211.678103] Call Trace: [ 211.691765] [] dump_stack+0xd7/0x132 [ 211.754822] [] ? arch_local_irq_restore+0x1b/0x1b [ 211.791315] [] ubsan_epilogue+0x12/0x53 [ 211.827467] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 211.858386] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 211.904541] [] ? __kmalloc+0x80/0x2e7 [ 211.934676] [] ? find_first_bit+0xa2/0xb1 [ 211.966140] [] __list_lru_init+0x357/0x5ed [ 212.000636] [] ? __memcg_init_list_lru_node+0x1d1/0x1d1 [ 212.049724] [] sget_userns+0x564/0xcbc [ 212.084115] [] ? get_anon_bdev+0x1e7/0x1e7 [ 212.125570] [] ? get_super_thawed+0x211/0x211 [ 212.159379] [] ? security_capable+0xaa/0xb9 [ 212.196072] [] ? get_anon_bdev+0x1e7/0x1e7 [ 212.238739] [] ? ns_capable_common+0x149/0x153 [ 212.317818] [] ? get_anon_bdev+0x1e7/0x1e7 [ 212.386428] [] sget+0xae/0xe3 [ 212.461389] [] ? ramfs_symlink+0x126/0x126 [ 212.505269] [] ? ramfs_symlink+0x126/0x126 [ 212.554349] [] mount_nodev+0x3e/0x11e [ 212.583463] [] ? ramfs_symlink+0x126/0x126 [ 212.627110] [] rootfs_mount+0x86/0x9d [ 212.661063] [] mount_fs+0xd0/0x2ca [ 212.682117] [] vfs_kern_mount+0xa0/0x20a [ 212.699362] [] mnt_init+0x280/0x44f [ 212.714120] [] ? set_mphash_entries+0x48/0x48 [ 212.730586] [] ? kmem_cache_create+0xe7/0x129 [ 212.751048] [] vfs_caches_init+0x85/0x15f [ 212.769447] [] start_kernel+0x599/0x64b [ 212.786136] [] ? thread_stack_cache_init+0xb/0xb [ 212.804364] [] ? cmdline_find_option_bool+0x131/0x146 [ 212.823078] [] ? early_idt_handler_array+0x120/0x120 [ 212.842402] [] x86_64_start_reservations+0x24/0x26 [ 212.865362] [] x86_64_start_kernel+0x179/0x19c [ 212.882497] ================================================================================ [ 212.907200] ================================================================================ [ 212.930658] UBSAN: Undefined behaviour in fs/super.c:242:13 [ 212.948185] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 212.972106] which requires 64 byte alignment [ 212.986546] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 213.002102] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 213.029705] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 213.053328] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 213.073318] ffffffff00000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 213.093131] Call Trace: [ 213.101758] [] dump_stack+0xd7/0x132 [ 213.116067] [] ? arch_local_irq_restore+0x1b/0x1b [ 213.133375] [] ubsan_epilogue+0x12/0x53 [ 213.146903] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 213.166456] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 213.184922] [] ? __down_timeout+0x18/0x18 [ 213.203712] [] sget_userns+0x9ea/0xcbc [ 213.220027] [] ? get_anon_bdev+0x1e7/0x1e7 [ 213.235094] [] ? get_super_thawed+0x211/0x211 [ 213.252871] [] ? security_capable+0xaa/0xb9 [ 213.270016] [] ? get_anon_bdev+0x1e7/0x1e7 [ 213.287553] [] ? ns_capable_common+0x149/0x153 [ 213.307189] [] ? get_anon_bdev+0x1e7/0x1e7 [ 213.321778] [] sget+0xae/0xe3 [ 213.333941] [] ? ramfs_symlink+0x126/0x126 [ 213.349568] [] ? ramfs_symlink+0x126/0x126 [ 213.368476] [] mount_nodev+0x3e/0x11e [ 213.384787] [] ? ramfs_symlink+0x126/0x126 [ 213.402701] [] rootfs_mount+0x86/0x9d [ 213.419291] [] mount_fs+0xd0/0x2ca [ 213.433788] [] vfs_kern_mount+0xa0/0x20a [ 213.448712] [] mnt_init+0x280/0x44f [ 213.464074] [] ? set_mphash_entries+0x48/0x48 [ 213.480644] [] ? kmem_cache_create+0xe7/0x129 [ 213.497621] [] vfs_caches_init+0x85/0x15f [ 213.512654] [] start_kernel+0x599/0x64b [ 213.527234] [] ? thread_stack_cache_init+0xb/0xb [ 213.544654] [] ? cmdline_find_option_bool+0x131/0x146 [ 213.565059] [] ? early_idt_handler_array+0x120/0x120 [ 213.584868] [] x86_64_start_reservations+0x24/0x26 [ 213.604345] [] x86_64_start_kernel+0x179/0x19c [ 213.623368] ================================================================================ [ 213.648744] ================================================================================ [ 213.677642] UBSAN: Undefined behaviour in fs/super.c:248:16 [ 213.691014] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 213.718784] which requires 64 byte alignment [ 213.731257] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 213.746195] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 213.773161] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 213.798427] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 213.818877] 0000000000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 213.839396] Call Trace: [ 213.845752] [] dump_stack+0xd7/0x132 [ 213.860806] [] ? arch_local_irq_restore+0x1b/0x1b [ 213.879167] [] ubsan_epilogue+0x12/0x53 [ 213.894912] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 213.912597] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 213.931268] [] ? __down_timeout+0x18/0x18 [ 213.948229] [] sget_userns+0x9fe/0xcbc [ 213.963869] [] ? get_anon_bdev+0x1e7/0x1e7 [ 213.979511] [] ? get_super_thawed+0x211/0x211 [ 213.997174] [] ? security_capable+0xaa/0xb9 [ 214.011258] [] ? get_anon_bdev+0x1e7/0x1e7 [ 214.029885] [] ? ns_capable_common+0x149/0x153 [ 214.045270] [] ? get_anon_bdev+0x1e7/0x1e7 [ 214.061715] [] sget+0xae/0xe3 [ 214.075155] [] ? ramfs_symlink+0x126/0x126 [ 214.089789] [] ? ramfs_symlink+0x126/0x126 [ 214.106240] [] mount_nodev+0x3e/0x11e [ 214.126259] [] ? ramfs_symlink+0x126/0x126 [ 214.142000] [] rootfs_mount+0x86/0x9d [ 214.159515] [] mount_fs+0xd0/0x2ca [ 214.172546] [] vfs_kern_mount+0xa0/0x20a [ 214.191184] [] mnt_init+0x280/0x44f [ 214.205447] [] ? set_mphash_entries+0x48/0x48 [ 214.220027] [] ? kmem_cache_create+0xe7/0x129 [ 214.235118] [] vfs_caches_init+0x85/0x15f [ 214.249845] [] start_kernel+0x599/0x64b [ 214.267878] [] ? thread_stack_cache_init+0xb/0xb [ 214.284996] [] ? cmdline_find_option_bool+0x131/0x146 [ 214.304924] [] ? early_idt_handler_array+0x120/0x120 [ 214.321118] [] x86_64_start_reservations+0x24/0x26 [ 214.338063] [] x86_64_start_kernel+0x179/0x19c [ 214.354562] ================================================================================ [ 214.381867] ================================================================================ [ 214.403383] UBSAN: Undefined behaviour in fs/super.c:249:10 [ 214.424670] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 214.449226] which requires 64 byte alignment [ 214.464052] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 214.480446] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 214.505725] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 214.527445] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 214.548979] 0000000000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 214.570281] Call Trace: [ 214.578656] [] dump_stack+0xd7/0x132 [ 214.591191] [] ? arch_local_irq_restore+0x1b/0x1b [ 214.609158] [] ubsan_epilogue+0x12/0x53 [ 214.623586] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 214.644161] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 214.668583] [] ? __down_timeout+0x18/0x18 [ 214.684285] [] sget_userns+0xa12/0xcbc [ 214.700359] [] ? get_anon_bdev+0x1e7/0x1e7 [ 214.719364] [] ? get_super_thawed+0x211/0x211 [ 214.735224] [] ? security_capable+0xaa/0xb9 [ 214.754855] [] ? get_anon_bdev+0x1e7/0x1e7 [ 214.770175] [] ? ns_capable_common+0x149/0x153 [ 214.871789] [] ? get_anon_bdev+0x1e7/0x1e7 [ 214.888701] [] sget+0xae/0xe3 [ 214.906612] [] ? ramfs_symlink+0x126/0x126 [ 214.924838] [] ? ramfs_symlink+0x126/0x126 [ 214.950374] [] mount_nodev+0x3e/0x11e [ 214.972148] [] ? ramfs_symlink+0x126/0x126 [ 214.988738] [] rootfs_mount+0x86/0x9d [ 215.003868] [] mount_fs+0xd0/0x2ca [ 215.018659] [] vfs_kern_mount+0xa0/0x20a [ 215.033557] [] mnt_init+0x280/0x44f [ 215.049624] [] ? set_mphash_entries+0x48/0x48 [ 215.065356] [] ? kmem_cache_create+0xe7/0x129 [ 215.084572] [] vfs_caches_init+0x85/0x15f [ 215.101132] [] start_kernel+0x599/0x64b [ 215.117135] [] ? thread_stack_cache_init+0xb/0xb [ 215.138024] [] ? cmdline_find_option_bool+0x131/0x146 [ 215.159649] [] ? early_idt_handler_array+0x120/0x120 [ 215.179146] [] x86_64_start_reservations+0x24/0x26 [ 215.196031] [] x86_64_start_kernel+0x179/0x19c [ 215.213008] ================================================================================ [ 215.239214] ================================================================================ [ 215.263631] UBSAN: Undefined behaviour in fs/super.c:250:17 [ 215.279587] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 215.304689] which requires 64 byte alignment [ 215.317791] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 215.333596] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 215.362882] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 215.384915] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 215.406707] 0000000000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 215.440307] Call Trace: [ 215.448117] [] dump_stack+0xd7/0x132 [ 215.465472] [] ? arch_local_irq_restore+0x1b/0x1b [ 215.483648] [] ubsan_epilogue+0x12/0x53 [ 215.499787] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 215.519044] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 215.541269] [] ? __down_timeout+0x18/0x18 [ 215.557804] [] sget_userns+0xa26/0xcbc [ 215.572122] [] ? get_anon_bdev+0x1e7/0x1e7 [ 215.589562] [] ? get_super_thawed+0x211/0x211 [ 215.608339] [] ? security_capable+0xaa/0xb9 [ 215.627047] [] ? get_anon_bdev+0x1e7/0x1e7 [ 215.647034] [] ? ns_capable_common+0x149/0x153 [ 215.664167] [] ? get_anon_bdev+0x1e7/0x1e7 [ 215.684792] [] sget+0xae/0xe3 [ 215.697342] [] ? ramfs_symlink+0x126/0x126 [ 215.715063] [] ? ramfs_symlink+0x126/0x126 [ 215.737337] [] mount_nodev+0x3e/0x11e [ 215.754620] [] ? ramfs_symlink+0x126/0x126 [ 215.771902] [] rootfs_mount+0x86/0x9d [ 215.790964] [] mount_fs+0xd0/0x2ca [ 215.807155] [] vfs_kern_mount+0xa0/0x20a [ 215.822677] [] mnt_init+0x280/0x44f [ 215.837650] [] ? set_mphash_entries+0x48/0x48 [ 215.853722] [] ? kmem_cache_create+0xe7/0x129 [ 215.879875] [] vfs_caches_init+0x85/0x15f [ 215.893567] [] start_kernel+0x599/0x64b [ 215.912236] [] ? thread_stack_cache_init+0xb/0xb [ 215.935492] [] ? cmdline_find_option_bool+0x131/0x146 [ 215.954074] [] ? early_idt_handler_array+0x120/0x120 [ 215.974778] [] x86_64_start_reservations+0x24/0x26 [ 215.992000] [] x86_64_start_kernel+0x179/0x19c [ 216.018498] ================================================================================ [ 216.040378] ================================================================================ [ 216.064713] UBSAN: Undefined behaviour in fs/super.c:251:23 [ 216.081539] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 216.106468] which requires 64 byte alignment [ 216.118673] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 216.137157] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 216.163689] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 216.185103] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 216.206362] 0000000000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 216.228436] Call Trace: [ 216.235224] [] dump_stack+0xd7/0x132 [ 216.251006] [] ? arch_local_irq_restore+0x1b/0x1b [ 216.270361] [] ubsan_epilogue+0x12/0x53 [ 216.287048] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 216.305575] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 216.327809] [] ? __down_timeout+0x18/0x18 [ 216.343089] [] sget_userns+0xa3a/0xcbc [ 216.357624] [] ? get_anon_bdev+0x1e7/0x1e7 [ 216.374650] [] ? get_super_thawed+0x211/0x211 [ 216.389427] [] ? security_capable+0xaa/0xb9 [ 216.406626] [] ? get_anon_bdev+0x1e7/0x1e7 [ 216.421937] [] ? ns_capable_common+0x149/0x153 [ 216.439160] [] ? get_anon_bdev+0x1e7/0x1e7 [ 216.455543] [] sget+0xae/0xe3 [ 216.467285] [] ? ramfs_symlink+0x126/0x126 [ 216.483783] [] ? ramfs_symlink+0x126/0x126 [ 216.507896] [] mount_nodev+0x3e/0x11e [ 216.522696] [] ? ramfs_symlink+0x126/0x126 [ 216.540358] [] rootfs_mount+0x86/0x9d [ 216.557627] [] mount_fs+0xd0/0x2ca [ 216.570624] [] vfs_kern_mount+0xa0/0x20a [ 216.587296] [] mnt_init+0x280/0x44f [ 216.600634] [] ? set_mphash_entries+0x48/0x48 [ 216.620194] [] ? kmem_cache_create+0xe7/0x129 [ 216.637098] [] vfs_caches_init+0x85/0x15f [ 216.651394] [] start_kernel+0x599/0x64b [ 216.666615] [] ? thread_stack_cache_init+0xb/0xb [ 216.684217] [] ? cmdline_find_option_bool+0x131/0x146 [ 216.703190] [] ? early_idt_handler_array+0x120/0x120 [ 216.719497] [] x86_64_start_reservations+0x24/0x26 [ 216.740475] [] x86_64_start_kernel+0x179/0x19c [ 216.756173] ================================================================================ [ 216.782001] ================================================================================ [ 216.807097] UBSAN: Undefined behaviour in fs/super.c:253:20 [ 216.826826] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 216.851835] which requires 64 byte alignment [ 216.863192] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 216.881419] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 216.908734] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 216.934509] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 216.958633] 0000000000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 216.982668] Call Trace: [ 216.988416] [] dump_stack+0xd7/0x132 [ 217.005115] [] ? arch_local_irq_restore+0x1b/0x1b [ 217.033459] [] ubsan_epilogue+0x12/0x53 [ 217.048020] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 217.069539] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 217.090509] [] ? __down_timeout+0x18/0x18 [ 217.109749] [] sget_userns+0xa4e/0xcbc [ 217.124438] [] ? get_anon_bdev+0x1e7/0x1e7 [ 217.140020] [] ? get_super_thawed+0x211/0x211 [ 217.158866] [] ? security_capable+0xaa/0xb9 [ 217.183643] [] ? get_anon_bdev+0x1e7/0x1e7 [ 217.201828] [] ? ns_capable_common+0x149/0x153 [ 217.217175] [] ? get_anon_bdev+0x1e7/0x1e7 [ 217.232276] [] sget+0xae/0xe3 [ 217.253340] [] ? ramfs_symlink+0x126/0x126 [ 217.268421] [] ? ramfs_symlink+0x126/0x126 [ 217.287862] [] mount_nodev+0x3e/0x11e [ 217.305888] [] ? ramfs_symlink+0x126/0x126 [ 217.320724] [] rootfs_mount+0x86/0x9d [ 217.334575] [] mount_fs+0xd0/0x2ca [ 217.346611] [] vfs_kern_mount+0xa0/0x20a [ 217.366902] [] mnt_init+0x280/0x44f [ 217.383729] [] ? set_mphash_entries+0x48/0x48 [ 217.403212] [] ? kmem_cache_create+0xe7/0x129 [ 217.425604] [] vfs_caches_init+0x85/0x15f [ 217.444340] [] start_kernel+0x599/0x64b [ 217.460284] [] ? thread_stack_cache_init+0xb/0xb [ 217.477133] [] ? cmdline_find_option_bool+0x131/0x146 [ 217.501068] [] ? early_idt_handler_array+0x120/0x120 [ 217.519544] [] x86_64_start_reservations+0x24/0x26 [ 217.540432] [] x86_64_start_kernel+0x179/0x19c [ 217.557745] ================================================================================ [ 217.583771] ================================================================================ [ 217.612262] UBSAN: Undefined behaviour in fs/super.c:254:27 [ 217.631460] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 217.655759] which requires 64 byte alignment [ 217.667383] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 217.684812] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 217.715479] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 217.734686] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 217.759379] 0000000000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 217.785145] Call Trace: [ 217.791150] [] dump_stack+0xd7/0x132 [ 217.804993] [] ? arch_local_irq_restore+0x1b/0x1b [ 217.823232] [] ubsan_epilogue+0x12/0x53 [ 217.847681] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 217.868667] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 217.889691] [] ? __down_timeout+0x18/0x18 [ 217.906778] [] sget_userns+0xa62/0xcbc [ 217.920729] [] ? get_anon_bdev+0x1e7/0x1e7 [ 217.939161] [] ? get_super_thawed+0x211/0x211 [ 217.960100] [] ? security_capable+0xaa/0xb9 [ 217.981397] [] ? get_anon_bdev+0x1e7/0x1e7 [ 217.996652] [] ? ns_capable_common+0x149/0x153 [ 218.013939] [] ? get_anon_bdev+0x1e7/0x1e7 [ 218.030332] [] sget+0xae/0xe3 [ 218.051101] [] ? ramfs_symlink+0x126/0x126 [ 218.067079] [] ? ramfs_symlink+0x126/0x126 [ 218.084174] [] mount_nodev+0x3e/0x11e [ 218.101775] [] ? ramfs_symlink+0x126/0x126 [ 218.121464] [] rootfs_mount+0x86/0x9d [ 218.136026] [] mount_fs+0xd0/0x2ca [ 218.155137] [] vfs_kern_mount+0xa0/0x20a [ 218.170824] [] mnt_init+0x280/0x44f [ 218.185773] [] ? set_mphash_entries+0x48/0x48 [ 218.201789] [] ? kmem_cache_create+0xe7/0x129 [ 218.224456] [] vfs_caches_init+0x85/0x15f [ 218.241323] [] start_kernel+0x599/0x64b [ 218.261016] [] ? thread_stack_cache_init+0xb/0xb [ 218.276748] [] ? cmdline_find_option_bool+0x131/0x146 [ 218.295350] [] ? early_idt_handler_array+0x120/0x120 [ 218.315431] [] x86_64_start_reservations+0x24/0x26 [ 218.339264] [] x86_64_start_kernel+0x179/0x19c [ 218.361040] ================================================================================ [ 218.383428] ================================================================================ [ 218.404219] UBSAN: Undefined behaviour in fs/super.c:255:28 [ 218.423123] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 218.448668] which requires 64 byte alignment [ 218.461607] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 218.486216] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 218.512105] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 218.537687] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 218.559799] 0000000000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 218.589230] Call Trace: [ 218.600001] [] dump_stack+0xd7/0x132 [ 218.616558] [] ? arch_local_irq_restore+0x1b/0x1b [ 218.641242] [] ubsan_epilogue+0x12/0x53 [ 218.656506] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 218.680083] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 218.699814] [] ? __down_timeout+0x18/0x18 [ 218.716852] [] sget_userns+0xa76/0xcbc [ 218.732612] [] ? get_anon_bdev+0x1e7/0x1e7 [ 218.750191] [] ? get_super_thawed+0x211/0x211 [ 218.775333] [] ? security_capable+0xaa/0xb9 [ 218.790099] [] ? get_anon_bdev+0x1e7/0x1e7 [ 218.808470] [] ? ns_capable_common+0x149/0x153 [ 218.832380] [] ? get_anon_bdev+0x1e7/0x1e7 [ 218.846537] [] sget+0xae/0xe3 [ 218.859664] [] ? ramfs_symlink+0x126/0x126 [ 218.873924] [] ? ramfs_symlink+0x126/0x126 [ 218.890321] [] mount_nodev+0x3e/0x11e [ 218.907573] [] ? ramfs_symlink+0x126/0x126 [ 218.928788] [] rootfs_mount+0x86/0x9d [ 218.943303] [] mount_fs+0xd0/0x2ca [ 218.957520] [] vfs_kern_mount+0xa0/0x20a [ 218.982258] [] mnt_init+0x280/0x44f [ 218.996615] [] ? set_mphash_entries+0x48/0x48 [ 219.011487] [] ? kmem_cache_create+0xe7/0x129 [ 219.034484] [] vfs_caches_init+0x85/0x15f [ 219.049667] [] start_kernel+0x599/0x64b [ 219.065289] [] ? thread_stack_cache_init+0xb/0xb [ 219.089203] [] ? cmdline_find_option_bool+0x131/0x146 [ 219.107961] [] ? early_idt_handler_array+0x120/0x120 [ 219.126452] [] x86_64_start_reservations+0x24/0x26 [ 219.144403] [] x86_64_start_kernel+0x179/0x19c [ 219.160125] ================================================================================ [ 219.191246] ================================================================================ [ 219.217246] UBSAN: Undefined behaviour in fs/super.c:256:20 [ 219.231577] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 219.260933] which requires 64 byte alignment [ 219.278893] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 219.293910] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 219.322786] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 219.343756] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 219.364513] 0000000000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 219.384235] Call Trace: [ 219.390453] [] dump_stack+0xd7/0x132 [ 219.406059] [] ? arch_local_irq_restore+0x1b/0x1b [ 219.422142] [] ubsan_epilogue+0x12/0x53 [ 219.444397] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 219.465920] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 219.485577] [] ? __down_timeout+0x18/0x18 [ 219.499772] [] sget_userns+0xa8a/0xcbc [ 219.519103] [] ? get_anon_bdev+0x1e7/0x1e7 [ 219.533676] [] ? get_super_thawed+0x211/0x211 [ 219.555550] [] ? security_capable+0xaa/0xb9 [ 219.572698] [] ? get_anon_bdev+0x1e7/0x1e7 [ 219.587703] [] ? ns_capable_common+0x149/0x153 [ 219.606820] [] ? get_anon_bdev+0x1e7/0x1e7 [ 219.623980] [] sget+0xae/0xe3 [ 219.637975] [] ? ramfs_symlink+0x126/0x126 [ 219.653856] [] ? ramfs_symlink+0x126/0x126 [ 219.671365] [] mount_nodev+0x3e/0x11e [ 219.686090] [] ? ramfs_symlink+0x126/0x126 [ 219.703847] [] rootfs_mount+0x86/0x9d [ 219.717842] [] mount_fs+0xd0/0x2ca [ 219.733557] [] vfs_kern_mount+0xa0/0x20a [ 219.748868] [] mnt_init+0x280/0x44f [ 219.764373] [] ? set_mphash_entries+0x48/0x48 [ 219.782188] [] ? kmem_cache_create+0xe7/0x129 [ 219.799782] [] vfs_caches_init+0x85/0x15f [ 219.816601] [] start_kernel+0x599/0x64b [ 219.840068] [] ? thread_stack_cache_init+0xb/0xb [ 219.857173] [] ? cmdline_find_option_bool+0x131/0x146 [ 219.874865] [] ? early_idt_handler_array+0x120/0x120 [ 219.895204] [] x86_64_start_reservations+0x24/0x26 [ 219.917399] [] x86_64_start_kernel+0x179/0x19c [ 219.937687] ================================================================================ [ 219.963599] ================================================================================ [ 219.990767] UBSAN: Undefined behaviour in fs/super.c:257:20 [ 220.007469] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 220.032032] which requires 64 byte alignment [ 220.045160] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 220.062490] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 220.091565] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 220.111248] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 220.138177] 0000000000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 220.158739] Call Trace: [ 220.164720] [] dump_stack+0xd7/0x132 [ 220.180324] [] ? arch_local_irq_restore+0x1b/0x1b [ 220.198425] [] ubsan_epilogue+0x12/0x53 [ 220.212404] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 220.236430] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 220.258532] [] ? __down_timeout+0x18/0x18 [ 220.275162] [] sget_userns+0xa9e/0xcbc [ 220.288564] [] ? get_anon_bdev+0x1e7/0x1e7 [ 220.306290] [] ? get_super_thawed+0x211/0x211 [ 220.324824] [] ? security_capable+0xaa/0xb9 [ 220.340078] [] ? get_anon_bdev+0x1e7/0x1e7 [ 220.356676] [] ? ns_capable_common+0x149/0x153 [ 220.376852] [] ? get_anon_bdev+0x1e7/0x1e7 [ 220.393016] [] sget+0xae/0xe3 [ 220.407712] [] ? ramfs_symlink+0x126/0x126 [ 220.426144] [] ? ramfs_symlink+0x126/0x126 [ 220.442492] [] mount_nodev+0x3e/0x11e [ 220.461492] [] ? ramfs_symlink+0x126/0x126 [ 220.478403] [] rootfs_mount+0x86/0x9d [ 220.491444] [] mount_fs+0xd0/0x2ca [ 220.507195] [] vfs_kern_mount+0xa0/0x20a [ 220.521910] [] mnt_init+0x280/0x44f [ 220.539010] [] ? set_mphash_entries+0x48/0x48 [ 220.558951] [] ? kmem_cache_create+0xe7/0x129 [ 220.574364] [] vfs_caches_init+0x85/0x15f [ 220.598314] [] start_kernel+0x599/0x64b [ 220.612609] [] ? thread_stack_cache_init+0xb/0xb [ 220.630443] [] ? cmdline_find_option_bool+0x131/0x146 [ 220.649031] [] ? early_idt_handler_array+0x120/0x120 [ 220.671338] [] x86_64_start_reservations+0x24/0x26 [ 220.688574] [] x86_64_start_kernel+0x179/0x19c [ 220.706733] ================================================================================ [ 220.731132] ================================================================================ [ 220.760138] UBSAN: Undefined behaviour in fs/super.c:516:12 [ 220.776848] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 220.802276] which requires 64 byte alignment [ 220.815283] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 220.837599] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 220.863495] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 220.884546] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 220.905543] ffff880000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 220.926710] Call Trace: [ 220.933438] [] dump_stack+0xd7/0x132 [ 220.946866] [] ? arch_local_irq_restore+0x1b/0x1b [ 220.967856] [] ubsan_epilogue+0x12/0x53 [ 220.987435] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 221.008832] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 221.031277] [] ? __down_timeout+0x18/0x18 [ 221.045961] [] sget_userns+0xb15/0xcbc [ 221.062267] [] ? get_anon_bdev+0x1e7/0x1e7 [ 221.078458] [] ? get_super_thawed+0x211/0x211 [ 221.096292] [] ? security_capable+0xaa/0xb9 [ 221.111581] [] ? get_anon_bdev+0x1e7/0x1e7 [ 221.131338] [] ? ns_capable_common+0x149/0x153 [ 221.147948] [] ? get_anon_bdev+0x1e7/0x1e7 [ 221.164890] [] sget+0xae/0xe3 [ 221.180915] [] ? ramfs_symlink+0x126/0x126 [ 221.199418] [] ? ramfs_symlink+0x126/0x126 [ 221.216417] [] mount_nodev+0x3e/0x11e [ 221.231931] [] ? ramfs_symlink+0x126/0x126 [ 221.248027] [] rootfs_mount+0x86/0x9d [ 221.262929] [] mount_fs+0xd0/0x2ca [ 221.277929] [] vfs_kern_mount+0xa0/0x20a [ 221.295864] [] mnt_init+0x280/0x44f [ 221.308904] [] ? set_mphash_entries+0x48/0x48 [ 221.328111] [] ? kmem_cache_create+0xe7/0x129 [ 221.343411] [] vfs_caches_init+0x85/0x15f [ 221.360483] [] start_kernel+0x599/0x64b [ 221.374257] [] ? thread_stack_cache_init+0xb/0xb [ 221.390111] [] ? cmdline_find_option_bool+0x131/0x146 [ 221.408458] [] ? early_idt_handler_array+0x120/0x120 [ 221.426606] [] x86_64_start_reservations+0x24/0x26 [ 221.442742] [] x86_64_start_kernel+0x179/0x19c [ 221.460294] ================================================================================ [ 221.484475] ================================================================================ [ 221.508384] UBSAN: Undefined behaviour in fs/namespace.c:1216:2 [ 221.523319] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 221.547233] which requires 64 byte alignment [ 221.559233] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 221.577276] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 221.600288] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07a68 ffffffffb26ec5cc [ 221.622109] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 221.644405] ffffffff00000010 ffffffffb3c07a90 ffffffffb3c07a40 ffffffffb363c3e0 [ 221.663825] Call Trace: [ 221.672709] [] dump_stack+0xd7/0x132 [ 221.685907] [] ? arch_local_irq_restore+0x1b/0x1b [ 221.704628] [] ubsan_epilogue+0x12/0x53 [ 221.722409] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 221.742559] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 221.762910] [] ? kasan_poison_shadow+0x2f/0x31 [ 221.781496] [] ? kasan_unpoison_shadow+0x14/0x35 [ 221.799957] [] ? kasan_kmalloc+0x94/0xa3 [ 221.813422] [] save_mount_options+0x81/0x123 [ 221.832238] [] ? unhash_mnt+0x205/0x205 [ 221.848416] [] ? ramfs_symlink+0x126/0x126 [ 221.866039] [] ramfs_fill_super+0xba/0x3f8 [ 221.884340] [] ? sget_userns+0xc76/0xcbc [ 221.901175] [] ? get_anon_bdev+0x1e7/0x1e7 [ 221.917683] [] ? ramfs_symlink+0x126/0x126 [ 221.932494] [] ? get_super_thawed+0x211/0x211 [ 221.952954] [] ? security_capable+0xaa/0xb9 [ 221.968574] [] ? get_anon_bdev+0x1e7/0x1e7 [ 221.985859] [] ? ns_capable_common+0x149/0x153 [ 222.004373] [] ? ramfs_symlink+0x126/0x126 [ 222.021515] [] mount_nodev+0x67/0x11e [ 222.039559] [] ? ramfs_fill_super+0x5/0x3f8 [ 222.055752] [] ? mount_nodev+0x67/0x11e [ 222.069941] [] ? ramfs_symlink+0x126/0x126 [ 222.085798] [] rootfs_mount+0x86/0x9d [ 222.100817] [] mount_fs+0xd0/0x2ca [ 222.113826] [] vfs_kern_mount+0xa0/0x20a [ 222.128583] [] mnt_init+0x280/0x44f [ 222.149298] [] ? set_mphash_entries+0x48/0x48 [ 222.167270] [] ? kmem_cache_create+0xe7/0x129 [ 222.187900] [] vfs_caches_init+0x85/0x15f [ 222.204915] [] start_kernel+0x599/0x64b [ 222.221424] [] ? thread_stack_cache_init+0xb/0xb [ 222.238457] [] ? cmdline_find_option_bool+0x131/0x146 [ 222.264654] [] ? early_idt_handler_array+0x120/0x120 [ 222.290311] [] x86_64_start_reservations+0x24/0x26 [ 222.308371] [] x86_64_start_kernel+0x179/0x19c [ 222.326924] ================================================================================ [ 222.351716] ================================================================================ [ 222.377024] UBSAN: Undefined behaviour in fs/ramfs/inode.c:217:16 [ 222.391892] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 222.418680] which requires 64 byte alignment [ 222.429455] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 222.445379] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 222.475367] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07af8 ffffffffb26ec5cc [ 222.498682] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 222.520856] ffff880000000010 ffffffffb3c07b20 ffffffffb3c07ad0 ffffffffb363c3e0 [ 222.538826] Call Trace: [ 222.545859] [] dump_stack+0xd7/0x132 [ 222.559921] [] ? arch_local_irq_restore+0x1b/0x1b [ 222.578084] [] ubsan_epilogue+0x12/0x53 [ 222.591210] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 222.610024] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 222.636989] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 222.654320] [] ? ramfs_fill_super+0xdc/0x3f8 [ 222.671440] [] ? ramfs_symlink+0x126/0x126 [ 222.685548] [] ramfs_fill_super+0xf8/0x3f8 [ 222.702595] [] ? sget_userns+0xc76/0xcbc [ 222.718436] [] ? get_anon_bdev+0x1e7/0x1e7 [ 222.733950] [] ? ramfs_symlink+0x126/0x126 [ 222.750020] [] ? get_super_thawed+0x211/0x211 [ 222.766490] [] ? security_capable+0xaa/0xb9 [ 222.784038] [] ? get_anon_bdev+0x1e7/0x1e7 [ 222.802408] [] ? ns_capable_common+0x149/0x153 [ 222.817969] [] ? ramfs_symlink+0x126/0x126 [ 222.849540] [] mount_nodev+0x67/0x11e [ 222.919355] [] ? ramfs_fill_super+0x5/0x3f8 [ 222.978619] [] ? mount_nodev+0x67/0x11e [ 223.044931] [] ? ramfs_symlink+0x126/0x126 [ 223.106813] [] rootfs_mount+0x86/0x9d [ 223.137710] [] mount_fs+0xd0/0x2ca [ 223.151297] [] vfs_kern_mount+0xa0/0x20a [ 223.164186] [] mnt_init+0x280/0x44f [ 223.183746] [] ? set_mphash_entries+0x48/0x48 [ 223.202477] [] ? kmem_cache_create+0xe7/0x129 [ 223.220267] [] vfs_caches_init+0x85/0x15f [ 223.235931] [] start_kernel+0x599/0x64b [ 223.251042] [] ? thread_stack_cache_init+0xb/0xb [ 223.268440] [] ? cmdline_find_option_bool+0x131/0x146 [ 223.287262] [] ? early_idt_handler_array+0x120/0x120 [ 223.307110] [] x86_64_start_reservations+0x24/0x26 [ 223.324217] [] x86_64_start_kernel+0x179/0x19c [ 223.340559] ================================================================================ [ 223.364071] ================================================================================ [ 223.389795] UBSAN: Undefined behaviour in fs/ramfs/inode.c:225:18 [ 223.406923] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 223.432621] which requires 64 byte alignment [ 223.446333] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 223.465425] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 223.493160] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07af8 ffffffffb26ec5cc [ 223.513738] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 223.537604] 0000000000000010 ffffffffb3c07b20 ffffffffb3c07ad0 ffffffffb363c3e0 [ 223.559486] Call Trace: [ 223.566316] [] dump_stack+0xd7/0x132 [ 223.581849] [] ? arch_local_irq_restore+0x1b/0x1b [ 223.601261] [] ubsan_epilogue+0x12/0x53 [ 223.615669] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 223.635434] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 223.653648] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 223.675813] [] ? ramfs_fill_super+0xdc/0x3f8 [ 223.693428] [] ramfs_fill_super+0x26a/0x3f8 [ 223.708771] [] ? sget_userns+0xc76/0xcbc [ 223.726723] [] ? get_anon_bdev+0x1e7/0x1e7 [ 223.743414] [] ? ramfs_symlink+0x126/0x126 [ 223.762469] [] ? get_super_thawed+0x211/0x211 [ 223.780734] [] ? security_capable+0xaa/0xb9 [ 223.795431] [] ? get_anon_bdev+0x1e7/0x1e7 [ 223.810455] [] ? ns_capable_common+0x149/0x153 [ 223.829342] [] ? ramfs_symlink+0x126/0x126 [ 223.847158] [] mount_nodev+0x67/0x11e [ 223.862030] [] ? ramfs_fill_super+0x5/0x3f8 [ 223.882996] [] ? mount_nodev+0x67/0x11e [ 223.899121] [] ? ramfs_symlink+0x126/0x126 [ 223.917321] [] rootfs_mount+0x86/0x9d [ 223.931355] [] mount_fs+0xd0/0x2ca [ 223.950416] [] vfs_kern_mount+0xa0/0x20a [ 223.966896] [] mnt_init+0x280/0x44f [ 223.980779] [] ? set_mphash_entries+0x48/0x48 [ 223.998093] [] ? kmem_cache_create+0xe7/0x129 [ 224.013956] [] vfs_caches_init+0x85/0x15f [ 224.031951] [] start_kernel+0x599/0x64b [ 224.049586] [] ? thread_stack_cache_init+0xb/0xb [ 224.068418] [] ? cmdline_find_option_bool+0x131/0x146 [ 224.089983] [] ? early_idt_handler_array+0x120/0x120 [ 224.110199] [] x86_64_start_reservations+0x24/0x26 [ 224.129122] [] x86_64_start_kernel+0x179/0x19c [ 224.148060] ================================================================================ [ 224.171992] ================================================================================ [ 224.201441] UBSAN: Undefined behaviour in fs/ramfs/inode.c:226:19 [ 224.222020] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 224.247509] which requires 64 byte alignment [ 224.264851] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 224.279472] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 224.305562] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07af8 ffffffffb26ec5cc [ 224.328019] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 224.352877] 0000000000000010 ffffffffb3c07b20 ffffffffb3c07ad0 ffffffffb363c3e0 [ 224.375155] Call Trace: [ 224.382417] [] dump_stack+0xd7/0x132 [ 224.398494] [] ? arch_local_irq_restore+0x1b/0x1b [ 224.415159] [] ubsan_epilogue+0x12/0x53 [ 224.431303] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 224.454407] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 224.475563] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 224.492324] [] ? ramfs_fill_super+0xdc/0x3f8 [ 224.509927] [] ramfs_fill_super+0x29a/0x3f8 [ 224.525951] [] ? sget_userns+0xc76/0xcbc [ 224.543245] [] ? get_anon_bdev+0x1e7/0x1e7 [ 224.562059] [] ? ramfs_symlink+0x126/0x126 [ 224.579970] [] ? get_super_thawed+0x211/0x211 [ 224.600161] [] ? security_capable+0xaa/0xb9 [ 224.618134] [] ? get_anon_bdev+0x1e7/0x1e7 [ 224.634051] [] ? ns_capable_common+0x149/0x153 [ 224.651031] [] ? ramfs_symlink+0x126/0x126 [ 224.666127] [] mount_nodev+0x67/0x11e [ 224.684763] [] ? ramfs_fill_super+0x5/0x3f8 [ 224.702074] [] ? mount_nodev+0x67/0x11e [ 224.717686] [] ? ramfs_symlink+0x126/0x126 [ 224.737902] [] rootfs_mount+0x86/0x9d [ 224.750169] [] mount_fs+0xd0/0x2ca [ 224.766423] [] vfs_kern_mount+0xa0/0x20a [ 224.783614] [] mnt_init+0x280/0x44f [ 224.798983] [] ? set_mphash_entries+0x48/0x48 [ 224.814744] [] ? kmem_cache_create+0xe7/0x129 [ 224.837233] [] vfs_caches_init+0x85/0x15f [ 224.854346] [] start_kernel+0x599/0x64b [ 224.868634] [] ? thread_stack_cache_init+0xb/0xb [ 224.886035] [] ? cmdline_find_option_bool+0x131/0x146 [ 224.908652] [] ? early_idt_handler_array+0x120/0x120 [ 224.930639] [] x86_64_start_reservations+0x24/0x26 [ 224.948908] [] x86_64_start_kernel+0x179/0x19c [ 224.967414] ================================================================================ [ 224.993061] ================================================================================ [ 225.018063] UBSAN: Undefined behaviour in fs/ramfs/inode.c:227:23 [ 225.038041] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 225.060854] which requires 64 byte alignment [ 225.075608] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 225.090435] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 225.118284] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07af8 ffffffffb26ec5cc [ 225.141385] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 225.163173] 0000000000000010 ffffffffb3c07b20 ffffffffb3c07ad0 ffffffffb363c3e0 [ 225.187449] Call Trace: [ 225.193909] [] dump_stack+0xd7/0x132 [ 225.209489] [] ? arch_local_irq_restore+0x1b/0x1b [ 225.228341] [] ubsan_epilogue+0x12/0x53 [ 225.245114] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 225.266733] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 225.285616] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 225.306452] [] ? ramfs_fill_super+0xdc/0x3f8 [ 225.322708] [] ramfs_fill_super+0x2c4/0x3f8 [ 225.340043] [] ? sget_userns+0xc76/0xcbc [ 225.354801] [] ? get_anon_bdev+0x1e7/0x1e7 [ 225.370328] [] ? ramfs_symlink+0x126/0x126 [ 225.384788] [] ? get_super_thawed+0x211/0x211 [ 225.402239] [] ? security_capable+0xaa/0xb9 [ 225.420997] [] ? get_anon_bdev+0x1e7/0x1e7 [ 225.435644] [] ? ns_capable_common+0x149/0x153 [ 225.453172] [] ? ramfs_symlink+0x126/0x126 [ 225.467901] [] mount_nodev+0x67/0x11e [ 225.488108] [] ? ramfs_fill_super+0x5/0x3f8 [ 225.503788] [] ? mount_nodev+0x67/0x11e [ 225.528114] [] ? ramfs_symlink+0x126/0x126 [ 225.543631] [] rootfs_mount+0x86/0x9d [ 225.560722] [] mount_fs+0xd0/0x2ca [ 225.575907] [] vfs_kern_mount+0xa0/0x20a [ 225.592180] [] mnt_init+0x280/0x44f [ 225.615828] [] ? set_mphash_entries+0x48/0x48 [ 225.633249] [] ? kmem_cache_create+0xe7/0x129 [ 225.647695] [] vfs_caches_init+0x85/0x15f [ 225.664574] [] start_kernel+0x599/0x64b [ 225.683073] [] ? thread_stack_cache_init+0xb/0xb [ 225.702484] [] ? cmdline_find_option_bool+0x131/0x146 [ 225.728292] [] ? early_idt_handler_array+0x120/0x120 [ 225.754251] [] x86_64_start_reservations+0x24/0x26 [ 225.772705] [] x86_64_start_kernel+0x179/0x19c [ 225.797245] ================================================================================ [ 225.820837] ================================================================================ [ 225.849826] UBSAN: Undefined behaviour in fs/ramfs/inode.c:228:15 [ 225.870254] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 225.909631] which requires 64 byte alignment [ 225.922968] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 225.937403] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 225.962038] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07af8 ffffffffb26ec5cc [ 225.988402] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 226.010686] 0000000000000010 ffffffffb3c07b20 ffffffffb3c07ad0 ffffffffb363c3e0 [ 226.036784] Call Trace: [ 226.042900] [] dump_stack+0xd7/0x132 [ 226.058366] [] ? arch_local_irq_restore+0x1b/0x1b [ 226.077392] [] ubsan_epilogue+0x12/0x53 [ 226.092314] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 226.109714] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 226.137658] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 226.156868] [] ? ramfs_fill_super+0xdc/0x3f8 [ 226.177513] [] ramfs_fill_super+0x2ea/0x3f8 [ 226.196604] [] ? sget_userns+0xc76/0xcbc [ 226.211676] [] ? get_anon_bdev+0x1e7/0x1e7 [ 226.233116] [] ? ramfs_symlink+0x126/0x126 [ 226.253743] [] ? get_super_thawed+0x211/0x211 [ 226.271453] [] ? security_capable+0xaa/0xb9 [ 226.301190] [] ? get_anon_bdev+0x1e7/0x1e7 [ 226.315028] [] ? ns_capable_common+0x149/0x153 [ 226.339250] [] ? ramfs_symlink+0x126/0x126 [ 226.355126] [] mount_nodev+0x67/0x11e [ 226.368089] [] ? ramfs_fill_super+0x5/0x3f8 [ 226.390282] [] ? mount_nodev+0x67/0x11e [ 226.404264] [] ? ramfs_symlink+0x126/0x126 [ 226.428136] [] rootfs_mount+0x86/0x9d [ 226.443430] [] mount_fs+0xd0/0x2ca [ 226.456915] [] vfs_kern_mount+0xa0/0x20a [ 226.480198] [] mnt_init+0x280/0x44f [ 226.495466] [] ? set_mphash_entries+0x48/0x48 [ 226.516649] [] ? kmem_cache_create+0xe7/0x129 [ 226.530583] [] vfs_caches_init+0x85/0x15f [ 226.553522] [] start_kernel+0x599/0x64b [ 226.569390] [] ? thread_stack_cache_init+0xb/0xb [ 226.587106] [] ? cmdline_find_option_bool+0x131/0x146 [ 226.606996] [] ? early_idt_handler_array+0x120/0x120 [ 226.626159] [] x86_64_start_reservations+0x24/0x26 [ 226.652953] [] x86_64_start_kernel+0x179/0x19c [ 226.669422] ================================================================================ [ 226.698740] ================================================================================ [ 226.721772] UBSAN: Undefined behaviour in fs/ramfs/inode.c:229:12 [ 226.740484] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 226.766108] which requires 64 byte alignment [ 226.781968] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 226.798462] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 226.831532] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07af8 ffffffffb26ec5cc [ 226.853612] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 226.874642] 0000000000000010 ffffffffb3c07b20 ffffffffb3c07ad0 ffffffffb363c3e0 [ 226.896568] Call Trace: [ 226.908584] [] dump_stack+0xd7/0x132 [ 226.923146] [] ? arch_local_irq_restore+0x1b/0x1b [ 226.944950] [] ubsan_epilogue+0x12/0x53 [ 226.959485] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 226.978564] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 227.003954] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 227.025056] [] ? ramfs_fill_super+0xdc/0x3f8 [ 227.046318] [] ramfs_fill_super+0x315/0x3f8 [ 227.060732] [] ? sget_userns+0xc76/0xcbc [ 227.075363] [] ? get_anon_bdev+0x1e7/0x1e7 [ 227.098822] [] ? ramfs_symlink+0x126/0x126 [ 227.114014] [] ? get_super_thawed+0x211/0x211 [ 227.138397] [] ? security_capable+0xaa/0xb9 [ 227.157733] [] ? get_anon_bdev+0x1e7/0x1e7 [ 227.172689] [] ? ns_capable_common+0x149/0x153 [ 227.190882] [] ? ramfs_symlink+0x126/0x126 [ 227.213338] [] mount_nodev+0x67/0x11e [ 227.228984] [] ? ramfs_fill_super+0x5/0x3f8 [ 227.252764] [] ? mount_nodev+0x67/0x11e [ 227.267089] [] ? ramfs_symlink+0x126/0x126 [ 227.282725] [] rootfs_mount+0x86/0x9d [ 227.299701] [] mount_fs+0xd0/0x2ca [ 227.319323] [] vfs_kern_mount+0xa0/0x20a [ 227.333519] [] mnt_init+0x280/0x44f [ 227.347000] [] ? set_mphash_entries+0x48/0x48 [ 227.367902] [] ? kmem_cache_create+0xe7/0x129 [ 227.381739] [] vfs_caches_init+0x85/0x15f [ 227.409776] [] start_kernel+0x599/0x64b [ 227.428410] [] ? thread_stack_cache_init+0xb/0xb [ 227.447364] [] ? cmdline_find_option_bool+0x131/0x146 [ 227.473545] [] ? early_idt_handler_array+0x120/0x120 [ 227.489519] [] x86_64_start_reservations+0x24/0x26 [ 227.510324] [] x86_64_start_kernel+0x179/0x19c [ 227.531233] ================================================================================ [ 227.556320] ================================================================================ [ 227.582228] UBSAN: Undefined behaviour in fs/ramfs/inode.c:230:19 [ 227.599673] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 227.626639] which requires 64 byte alignment [ 227.639679] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 227.659829] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 227.685025] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07af8 ffffffffb26ec5cc [ 227.705355] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 227.730262] 0000000000000010 ffffffffb3c07b20 ffffffffb3c07ad0 ffffffffb363c3e0 [ 227.751226] Call Trace: [ 227.758049] [] dump_stack+0xd7/0x132 [ 227.779498] [] ? arch_local_irq_restore+0x1b/0x1b [ 227.798955] [] ubsan_epilogue+0x12/0x53 [ 227.813408] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 227.835833] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 227.860616] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 227.878925] [] ? ramfs_fill_super+0xdc/0x3f8 [ 227.895392] [] ramfs_fill_super+0x33f/0x3f8 [ 227.908769] [] ? sget_userns+0xc76/0xcbc [ 227.925144] [] ? get_anon_bdev+0x1e7/0x1e7 [ 227.946174] [] ? ramfs_symlink+0x126/0x126 [ 227.963978] [] ? get_super_thawed+0x211/0x211 [ 227.979840] [] ? security_capable+0xaa/0xb9 [ 228.002041] [] ? get_anon_bdev+0x1e7/0x1e7 [ 228.018002] [] ? ns_capable_common+0x149/0x153 [ 228.033487] [] ? ramfs_symlink+0x126/0x126 [ 228.051188] [] mount_nodev+0x67/0x11e [ 228.070290] [] ? ramfs_fill_super+0x5/0x3f8 [ 228.085966] [] ? mount_nodev+0x67/0x11e [ 228.107252] [] ? ramfs_symlink+0x126/0x126 [ 228.123688] [] rootfs_mount+0x86/0x9d [ 228.141599] [] mount_fs+0xd0/0x2ca [ 228.162419] [] vfs_kern_mount+0xa0/0x20a [ 228.178232] [] mnt_init+0x280/0x44f [ 228.190500] [] ? set_mphash_entries+0x48/0x48 [ 228.207785] [] ? kmem_cache_create+0xe7/0x129 [ 228.225871] [] vfs_caches_init+0x85/0x15f [ 228.241306] [] start_kernel+0x599/0x64b [ 228.256540] [] ? thread_stack_cache_init+0xb/0xb [ 228.273286] [] ? cmdline_find_option_bool+0x131/0x146 [ 228.295760] [] ? early_idt_handler_array+0x120/0x120 [ 228.314791] [] x86_64_start_reservations+0x24/0x26 [ 228.337180] [] x86_64_start_kernel+0x179/0x19c [ 228.352235] ================================================================================ [ 228.375894] ================================================================================ [ 228.405973] UBSAN: Undefined behaviour in fs/inode.c:204:8 [ 228.421999] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 228.448959] which requires 64 byte alignment [ 228.461091] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 228.477601] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 228.509230] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c079c8 ffffffffb26ec5cc [ 228.533506] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 228.560570] ffffffff00000010 ffffffffb3c079f0 ffffffffb3c079a0 ffffffffb363c3e0 [ 228.581202] Call Trace: [ 228.591968] [] dump_stack+0xd7/0x132 [ 228.608642] [] ? arch_local_irq_restore+0x1b/0x1b [ 228.627174] [] ubsan_epilogue+0x12/0x53 [ 228.646038] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 228.668158] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 228.688224] [] ? __raw_callee_save___native_queued_spin_unlock+0x23/0x23 [ 228.711016] [] alloc_inode+0x32/0x1e5 [ 228.729644] [] new_inode_pseudo+0x6d/0x15b [ 228.745412] [] ? prune_icache_sb+0x12b/0x12b [ 228.768641] [] new_inode+0x24/0x45 [ 228.782338] [] ramfs_get_inode+0x33/0x350 [ 228.800662] [] ramfs_fill_super+0x386/0x3f8 [ 228.818027] [] ? sget_userns+0xc76/0xcbc [ 228.832225] [] ? get_anon_bdev+0x1e7/0x1e7 [ 228.848429] [] ? ramfs_symlink+0x126/0x126 [ 228.870336] [] ? get_super_thawed+0x211/0x211 [ 228.885415] [] ? security_capable+0xaa/0xb9 [ 228.902621] [] ? get_anon_bdev+0x1e7/0x1e7 [ 228.918104] [] ? ns_capable_common+0x149/0x153 [ 228.932597] [] ? ramfs_symlink+0x126/0x126 [ 228.955755] [] mount_nodev+0x67/0x11e [ 228.971091] [] ? ramfs_fill_super+0x5/0x3f8 [ 228.990423] [] ? mount_nodev+0x67/0x11e [ 229.005934] [] ? ramfs_symlink+0x126/0x126 [ 229.025117] [] rootfs_mount+0x86/0x9d [ 229.041175] [] mount_fs+0xd0/0x2ca [ 229.060735] [] vfs_kern_mount+0xa0/0x20a [ 229.075965] [] mnt_init+0x280/0x44f [ 229.093813] [] ? set_mphash_entries+0x48/0x48 [ 229.112629] [] ? kmem_cache_create+0xe7/0x129 [ 229.136107] [] vfs_caches_init+0x85/0x15f [ 229.150348] [] start_kernel+0x599/0x64b [ 229.169272] [] ? thread_stack_cache_init+0xb/0xb [ 229.192209] [] ? cmdline_find_option_bool+0x131/0x146 [ 229.210416] [] ? early_idt_handler_array+0x120/0x120 [ 229.229509] [] x86_64_start_reservations+0x24/0x26 [ 229.250997] [] x86_64_start_kernel+0x179/0x19c [ 229.266934] ================================================================================ [ 229.811498] ================================================================================ [ 229.836802] UBSAN: Undefined behaviour in fs/inode.c:136:23 [ 229.852397] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 229.883939] which requires 64 byte alignment [ 229.897081] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 229.911980] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 229.938973] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07928 ffffffffb26ec5cc [ 229.962015] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 229.990748] ffff880000000010 ffffffffb3c07950 ffffffffb3c07900 ffffffffb363c3e0 [ 230.019432] Call Trace: [ 230.026496] [] dump_stack+0xd7/0x132 [ 230.040928] [] ? arch_local_irq_restore+0x1b/0x1b [ 230.061573] [] ubsan_epilogue+0x12/0x53 [ 230.090278] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 230.114192] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 230.132910] [] ? kasan_kmalloc+0x94/0xa3 [ 230.149402] [] inode_init_always+0xc6/0x95d [ 230.171836] [] ? evict+0x524/0x524 [ 230.183631] [] ? kmem_cache_alloc+0x20f/0x33f [ 230.199286] [] ? __raw_callee_save___native_queued_spin_unlock+0x23/0x23 [ 230.224018] [] ? alloc_inode+0xc0/0x1e5 [ 230.241235] [] ? alloc_inode+0xc0/0x1e5 [ 230.260792] [] alloc_inode+0xe1/0x1e5 [ 230.275503] [] new_inode_pseudo+0x6d/0x15b [ 230.291077] [] ? prune_icache_sb+0x12b/0x12b [ 230.307263] [] new_inode+0x24/0x45 [ 230.322501] [] ramfs_get_inode+0x33/0x350 [ 230.339304] [] ramfs_fill_super+0x386/0x3f8 [ 230.363321] [] ? sget_userns+0xc76/0xcbc [ 230.378715] [] ? get_anon_bdev+0x1e7/0x1e7 [ 230.392561] [] ? ramfs_symlink+0x126/0x126 [ 230.417533] [] ? get_super_thawed+0x211/0x211 [ 230.434187] [] ? security_capable+0xaa/0xb9 [ 230.451146] [] ? get_anon_bdev+0x1e7/0x1e7 [ 230.466074] [] ? ns_capable_common+0x149/0x153 [ 230.484778] [] ? ramfs_symlink+0x126/0x126 [ 230.505138] [] mount_nodev+0x67/0x11e [ 230.519676] [] ? ramfs_fill_super+0x5/0x3f8 [ 230.534961] [] ? mount_nodev+0x67/0x11e [ 230.553601] [] ? ramfs_symlink+0x126/0x126 [ 230.570359] [] rootfs_mount+0x86/0x9d [ 230.590326] [] mount_fs+0xd0/0x2ca [ 230.604500] [] vfs_kern_mount+0xa0/0x20a [ 230.620862] [] mnt_init+0x280/0x44f [ 230.633410] [] ? set_mphash_entries+0x48/0x48 [ 230.658035] [] ? kmem_cache_create+0xe7/0x129 [ 230.672776] [] vfs_caches_init+0x85/0x15f [ 230.689796] [] start_kernel+0x599/0x64b [ 230.708008] [] ? thread_stack_cache_init+0xb/0xb [ 230.724729] [] ? cmdline_find_option_bool+0x131/0x146 [ 230.745520] [] ? early_idt_handler_array+0x120/0x120 [ 230.766452] [] x86_64_start_reservations+0x24/0x26 [ 230.783488] [] x86_64_start_kernel+0x179/0x19c [ 230.800070] ================================================================================ [ 230.829657] ================================================================================ [ 230.857730] UBSAN: Undefined behaviour in ./include/linux/fs.h:1456:17 [ 230.880796] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 230.911443] which requires 64 byte alignment [ 230.924953] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 230.941623] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 230.974191] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07928 ffffffffb26ec5cc [ 230.994519] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 231.021977] 0000000000000010 ffffffffb3c07950 ffffffffb3c07900 ffffffffb363c3e0 [ 231.042791] Call Trace: [ 231.048328] [] dump_stack+0xd7/0x132 [ 231.065080] [] ? arch_local_irq_restore+0x1b/0x1b [ 231.081057] [] ubsan_epilogue+0x12/0x53 [ 231.103446] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 231.125091] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 231.145335] [] ? kasan_kmalloc+0x94/0xa3 [ 231.164179] [] inode_init_always+0x242/0x95d [ 231.181721] [] ? evict+0x524/0x524 [ 231.195617] [] ? __raw_callee_save___native_queued_spin_unlock+0x23/0x23 [ 231.221292] [] ? alloc_inode+0xc0/0x1e5 [ 231.242409] [] ? alloc_inode+0xc0/0x1e5 [ 231.259912] [] alloc_inode+0xe1/0x1e5 [ 231.275311] [] new_inode_pseudo+0x6d/0x15b [ 231.288584] [] ? prune_icache_sb+0x12b/0x12b [ 231.309980] [] new_inode+0x24/0x45 [ 231.323839] [] ramfs_get_inode+0x33/0x350 [ 231.341015] [] ramfs_fill_super+0x386/0x3f8 [ 231.362137] [] ? sget_userns+0xc76/0xcbc [ 231.380461] [] ? get_anon_bdev+0x1e7/0x1e7 [ 231.398000] [] ? ramfs_symlink+0x126/0x126 [ 231.413315] [] ? get_super_thawed+0x211/0x211 [ 231.436456] [] ? security_capable+0xaa/0xb9 [ 231.458319] [] ? get_anon_bdev+0x1e7/0x1e7 [ 231.473530] [] ? ns_capable_common+0x149/0x153 [ 231.489573] [] ? ramfs_symlink+0x126/0x126 [ 231.504401] [] mount_nodev+0x67/0x11e [ 231.517134] [] ? ramfs_fill_super+0x5/0x3f8 [ 231.536036] [] ? mount_nodev+0x67/0x11e [ 231.560571] [] ? ramfs_symlink+0x126/0x126 [ 231.580099] [] rootfs_mount+0x86/0x9d [ 231.596823] [] mount_fs+0xd0/0x2ca [ 231.611943] [] vfs_kern_mount+0xa0/0x20a [ 231.626500] [] mnt_init+0x280/0x44f [ 231.643580] [] ? set_mphash_entries+0x48/0x48 [ 231.659249] [] ? kmem_cache_create+0xe7/0x129 [ 231.679463] [] vfs_caches_init+0x85/0x15f [ 231.697241] [] start_kernel+0x599/0x64b [ 231.711666] [] ? thread_stack_cache_init+0xb/0xb [ 231.729883] [] ? cmdline_find_option_bool+0x131/0x146 [ 231.752941] [] ? early_idt_handler_array+0x120/0x120 [ 231.775828] [] x86_64_start_reservations+0x24/0x26 [ 231.794824] [] x86_64_start_kernel+0x179/0x19c [ 231.810077] ================================================================================ [ 231.839584] ================================================================================ [ 231.862956] UBSAN: Undefined behaviour in ./include/linux/fs.h:1461:17 [ 231.882938] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 231.911841] which requires 64 byte alignment [ 231.924544] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 231.940699] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 231.972339] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07928 ffffffffb26ec5cc [ 232.003579] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 232.026457] 0000000000000010 ffffffffb3c07950 ffffffffb3c07900 ffffffffb363c3e0 [ 232.048163] Call Trace: [ 232.060161] [] dump_stack+0xd7/0x132 [ 232.074556] [] ? arch_local_irq_restore+0x1b/0x1b [ 232.091535] [] ubsan_epilogue+0x12/0x53 [ 232.105689] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 232.127035] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 232.153811] [] ? map_id_down+0x11c/0x12b [ 232.167618] [] inode_init_always+0x2bb/0x95d [ 232.184198] [] ? evict+0x524/0x524 [ 232.201919] [] ? __raw_callee_save___native_queued_spin_unlock+0x23/0x23 [ 232.225027] [] ? alloc_inode+0xc0/0x1e5 [ 232.240467] [] ? alloc_inode+0xc0/0x1e5 [ 232.257076] [] alloc_inode+0xe1/0x1e5 [ 232.270051] [] new_inode_pseudo+0x6d/0x15b [ 232.288740] [] ? prune_icache_sb+0x12b/0x12b [ 232.309762] [] new_inode+0x24/0x45 [ 232.325370] [] ramfs_get_inode+0x33/0x350 [ 232.343582] [] ramfs_fill_super+0x386/0x3f8 [ 232.361886] [] ? sget_userns+0xc76/0xcbc [ 232.376091] [] ? get_anon_bdev+0x1e7/0x1e7 [ 232.392512] [] ? ramfs_symlink+0x126/0x126 [ 232.406789] [] ? get_super_thawed+0x211/0x211 [ 232.427284] [] ? security_capable+0xaa/0xb9 [ 232.443647] [] ? get_anon_bdev+0x1e7/0x1e7 [ 232.459391] [] ? ns_capable_common+0x149/0x153 [ 232.481912] [] ? ramfs_symlink+0x126/0x126 [ 232.498402] [] mount_nodev+0x67/0x11e [ 232.517099] [] ? ramfs_fill_super+0x5/0x3f8 [ 232.534728] [] ? mount_nodev+0x67/0x11e [ 232.557539] [] ? ramfs_symlink+0x126/0x126 [ 232.573643] [] rootfs_mount+0x86/0x9d [ 232.587549] [] mount_fs+0xd0/0x2ca [ 232.604282] [] vfs_kern_mount+0xa0/0x20a [ 232.625760] [] mnt_init+0x280/0x44f [ 232.640086] [] ? set_mphash_entries+0x48/0x48 [ 232.662272] [] ? kmem_cache_create+0xe7/0x129 [ 232.681188] [] vfs_caches_init+0x85/0x15f [ 232.699256] [] start_kernel+0x599/0x64b [ 232.712449] [] ? thread_stack_cache_init+0xb/0xb [ 232.730409] [] ? cmdline_find_option_bool+0x131/0x146 [ 232.746625] [] ? early_idt_handler_array+0x120/0x120 [ 232.768454] [] x86_64_start_reservations+0x24/0x26 [ 232.791487] [] x86_64_start_kernel+0x179/0x19c [ 232.808752] ================================================================================ [ 232.832156] ================================================================================ [ 232.863685] UBSAN: Undefined behaviour in fs/inode.c:167:2 [ 232.879993] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 232.909974] which requires 64 byte alignment [ 232.924678] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 232.942511] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 232.968848] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07928 ffffffffb26ec5cc [ 232.991521] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 233.009098] 0000000000000010 ffffffffb3c07950 ffffffffb3c07900 ffffffffb363c3e0 [ 233.037109] Call Trace: [ 233.042974] [] dump_stack+0xd7/0x132 [ 233.055836] [] ? arch_local_irq_restore+0x1b/0x1b [ 233.072733] [] ubsan_epilogue+0x12/0x53 [ 233.089201] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 233.111330] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 233.131717] [] ? map_id_down+0x11c/0x12b [ 233.147718] [] inode_init_always+0x5dd/0x95d [ 233.168177] [] ? evict+0x524/0x524 [ 233.182548] [] ? __raw_callee_save___native_queued_spin_unlock+0x23/0x23 [ 233.206160] [] ? alloc_inode+0xc0/0x1e5 [ 233.222432] [] ? alloc_inode+0xc0/0x1e5 [ 233.240783] [] alloc_inode+0xe1/0x1e5 [ 233.258154] [] new_inode_pseudo+0x6d/0x15b [ 233.272729] [] ? prune_icache_sb+0x12b/0x12b [ 233.294753] [] new_inode+0x24/0x45 [ 233.306991] [] ramfs_get_inode+0x33/0x350 [ 233.325949] [] ramfs_fill_super+0x386/0x3f8 [ 233.346684] [] ? sget_userns+0xc76/0xcbc [ 233.361584] [] ? get_anon_bdev+0x1e7/0x1e7 [ 233.384002] [] ? ramfs_symlink+0x126/0x126 [ 233.399816] [] ? get_super_thawed+0x211/0x211 [ 233.415169] [] ? security_capable+0xaa/0xb9 [ 233.429925] [] ? get_anon_bdev+0x1e7/0x1e7 [ 233.445500] [] ? ns_capable_common+0x149/0x153 [ 233.464098] [] ? ramfs_symlink+0x126/0x126 [ 233.490010] [] mount_nodev+0x67/0x11e [ 233.505288] [] ? ramfs_fill_super+0x5/0x3f8 [ 233.525725] [] ? mount_nodev+0x67/0x11e [ 233.541330] [] ? ramfs_symlink+0x126/0x126 [ 233.561289] [] rootfs_mount+0x86/0x9d [ 233.576021] [] mount_fs+0xd0/0x2ca [ 233.598585] [] vfs_kern_mount+0xa0/0x20a [ 233.614635] [] mnt_init+0x280/0x44f [ 233.639481] [] ? set_mphash_entries+0x48/0x48 [ 233.656141] [] ? kmem_cache_create+0xe7/0x129 [ 233.672596] [] vfs_caches_init+0x85/0x15f [ 233.685842] [] start_kernel+0x599/0x64b [ 233.706568] [] ? thread_stack_cache_init+0xb/0xb [ 233.724311] [] ? cmdline_find_option_bool+0x131/0x146 [ 233.744547] [] ? early_idt_handler_array+0x120/0x120 [ 233.771162] [] x86_64_start_reservations+0x24/0x26 [ 233.797861] [] x86_64_start_kernel+0x179/0x19c [ 233.812422] ================================================================================ [ 233.839603] ================================================================================ [ 233.865885] UBSAN: Undefined behaviour in fs/inode.c:170:2 [ 233.883121] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 233.910296] which requires 64 byte alignment [ 233.923242] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 233.939805] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 233.970854] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07928 ffffffffb26ec5cc [ 233.992028] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 234.014588] 0000000000000010 ffffffffb3c07950 ffffffffb3c07900 ffffffffb363c3e0 [ 234.042779] Call Trace: [ 234.048417] [] dump_stack+0xd7/0x132 [ 234.064365] [] ? arch_local_irq_restore+0x1b/0x1b [ 234.087048] [] ubsan_epilogue+0x12/0x53 [ 234.108339] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 234.132992] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 234.154415] [] inode_init_always+0x611/0x95d [ 234.172454] [] ? evict+0x524/0x524 [ 234.187177] [] ? __raw_callee_save___native_queued_spin_unlock+0x23/0x23 [ 234.222055] [] ? alloc_inode+0xc0/0x1e5 [ 234.236189] [] ? alloc_inode+0xc0/0x1e5 [ 234.250796] [] alloc_inode+0xe1/0x1e5 [ 234.276715] [] new_inode_pseudo+0x6d/0x15b [ 234.292051] [] ? prune_icache_sb+0x12b/0x12b [ 234.307716] [] new_inode+0x24/0x45 [ 234.323889] [] ramfs_get_inode+0x33/0x350 [ 234.349217] [] ramfs_fill_super+0x386/0x3f8 [ 234.366043] [] ? sget_userns+0xc76/0xcbc [ 234.384001] [] ? get_anon_bdev+0x1e7/0x1e7 [ 234.413415] [] ? ramfs_symlink+0x126/0x126 [ 234.431397] [] ? get_super_thawed+0x211/0x211 [ 234.448035] [] ? security_capable+0xaa/0xb9 [ 234.464223] [] ? get_anon_bdev+0x1e7/0x1e7 [ 234.480718] [] ? ns_capable_common+0x149/0x153 [ 234.498574] [] ? ramfs_symlink+0x126/0x126 [ 234.512311] [] mount_nodev+0x67/0x11e [ 234.533438] [] ? ramfs_fill_super+0x5/0x3f8 [ 234.549509] [] ? mount_nodev+0x67/0x11e [ 234.567749] [] ? ramfs_symlink+0x126/0x126 [ 234.582230] [] rootfs_mount+0x86/0x9d [ 234.597417] [] mount_fs+0xd0/0x2ca [ 234.617269] [] vfs_kern_mount+0xa0/0x20a [ 234.641953] [] mnt_init+0x280/0x44f [ 234.656346] [] ? set_mphash_entries+0x48/0x48 [ 234.687308] [] ? kmem_cache_create+0xe7/0x129 [ 234.705166] [] vfs_caches_init+0x85/0x15f [ 234.721866] [] start_kernel+0x599/0x64b [ 234.743863] [] ? thread_stack_cache_init+0xb/0xb [ 234.761144] [] ? cmdline_find_option_bool+0x131/0x146 [ 234.779946] [] ? early_idt_handler_array+0x120/0x120 [ 234.803524] [] x86_64_start_reservations+0x24/0x26 [ 234.819889] [] x86_64_start_kernel+0x179/0x19c [ 234.839189] ================================================================================ [ 234.872373] ================================================================================ [ 234.898229] UBSAN: Undefined behaviour in fs/dcache.c:1618:2 [ 234.919032] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 234.944511] which requires 64 byte alignment [ 234.955213] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 234.981358] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 235.007103] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c079e8 ffffffffb26ec5cc [ 235.028055] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 235.054356] ffffffff00000010 ffffffffb3c07a10 ffffffffb3c079c0 ffffffffb363c3e0 [ 235.074928] Call Trace: [ 235.085690] [] dump_stack+0xd7/0x132 [ 235.102669] [] ? arch_local_irq_restore+0x1b/0x1b [ 235.124279] [] ubsan_epilogue+0x12/0x53 [ 235.140380] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 235.159994] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 235.183601] [] ? __raw_callee_save___native_queued_spin_unlock+0x23/0x23 [ 235.216855] [] ? __d_alloc+0xa3/0x7bc [ 235.229194] [] ? native_patch+0x18c/0x1aa [ 235.245959] [] ? __d_alloc+0xa3/0x7bc [ 235.259631] [] __d_alloc+0x633/0x7bc [ 235.275004] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 235.299532] [] d_make_root+0x49/0x7d [ 235.313360] [] ramfs_fill_super+0x38e/0x3f8 [ 235.330903] [] ? sget_userns+0xc76/0xcbc [ 235.348424] [] ? get_anon_bdev+0x1e7/0x1e7 [ 235.365096] [] ? ramfs_symlink+0x126/0x126 [ 235.381467] [] ? get_super_thawed+0x211/0x211 [ 235.398878] [] ? security_capable+0xaa/0xb9 [ 235.421387] [] ? get_anon_bdev+0x1e7/0x1e7 [ 235.436222] [] ? ns_capable_common+0x149/0x153 [ 235.459914] [] ? ramfs_symlink+0x126/0x126 [ 235.476849] [] mount_nodev+0x67/0x11e [ 235.489860] [] ? ramfs_fill_super+0x5/0x3f8 [ 235.512541] [] ? mount_nodev+0x67/0x11e [ 235.528635] [] ? ramfs_symlink+0x126/0x126 [ 235.551897] [] rootfs_mount+0x86/0x9d [ 235.568213] [] mount_fs+0xd0/0x2ca [ 235.587991] [] vfs_kern_mount+0xa0/0x20a [ 235.605972] [] mnt_init+0x280/0x44f [ 235.621346] [] ? set_mphash_entries+0x48/0x48 [ 235.643620] [] ? kmem_cache_create+0xe7/0x129 [ 235.662628] [] vfs_caches_init+0x85/0x15f [ 235.681845] [] start_kernel+0x599/0x64b [ 235.702444] [] ? thread_stack_cache_init+0xb/0xb [ 235.719377] [] ? cmdline_find_option_bool+0x131/0x146 [ 235.739156] [] ? early_idt_handler_array+0x120/0x120 [ 235.762236] [] x86_64_start_reservations+0x24/0x26 [ 235.779763] [] x86_64_start_kernel+0x179/0x19c [ 235.800460] ================================================================================ [ 235.829622] ================================================================================ [ 235.858482] UBSAN: Undefined behaviour in fs/ramfs/inode.c:233:13 [ 235.880249] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 235.905765] which requires 64 byte alignment [ 235.919697] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 235.934077] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 235.966875] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07af8 ffffffffb26ec5cc [ 235.988926] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 236.017149] 0000000000000010 ffffffffb3c07b20 ffffffffb3c07ad0 ffffffffb363c3e0 [ 236.036696] Call Trace: [ 236.043818] [] dump_stack+0xd7/0x132 [ 236.059794] [] ? arch_local_irq_restore+0x1b/0x1b [ 236.084841] [] ubsan_epilogue+0x12/0x53 [ 236.109608] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 236.131567] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 236.157827] [] ramfs_fill_super+0x3aa/0x3f8 [ 236.174556] [] ? sget_userns+0xc76/0xcbc [ 236.188784] [] ? get_anon_bdev+0x1e7/0x1e7 [ 236.210884] [] ? ramfs_symlink+0x126/0x126 [ 236.229236] [] ? get_super_thawed+0x211/0x211 [ 236.252271] [] ? security_capable+0xaa/0xb9 [ 236.269893] [] ? get_anon_bdev+0x1e7/0x1e7 [ 236.285489] [] ? ns_capable_common+0x149/0x153 [ 236.300944] [] ? ramfs_symlink+0x126/0x126 [ 236.325661] [] mount_nodev+0x67/0x11e [ 236.343857] [] ? ramfs_fill_super+0x5/0x3f8 [ 236.360934] [] ? mount_nodev+0x67/0x11e [ 236.379939] [] ? ramfs_symlink+0x126/0x126 [ 236.396170] [] rootfs_mount+0x86/0x9d [ 236.418221] [] mount_fs+0xd0/0x2ca [ 236.430186] [] vfs_kern_mount+0xa0/0x20a [ 236.448675] [] mnt_init+0x280/0x44f [ 236.461972] [] ? set_mphash_entries+0x48/0x48 [ 236.481530] [] ? kmem_cache_create+0xe7/0x129 [ 236.499878] [] vfs_caches_init+0x85/0x15f [ 236.522420] [] start_kernel+0x599/0x64b [ 236.536124] [] ? thread_stack_cache_init+0xb/0xb [ 236.554181] [] ? cmdline_find_option_bool+0x131/0x146 [ 236.579141] [] ? early_idt_handler_array+0x120/0x120 [ 236.598281] [] x86_64_start_reservations+0x24/0x26 [ 236.616744] [] x86_64_start_kernel+0x179/0x19c [ 236.640894] ================================================================================ [ 236.667658] ================================================================================ [ 236.698010] UBSAN: Undefined behaviour in fs/ramfs/inode.c:234:9 [ 236.713715] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 236.744544] which requires 64 byte alignment [ 236.757838] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 236.774313] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 236.807512] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07af8 ffffffffb26ec5cc [ 236.833013] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 236.857661] 0000000000000010 ffffffffb3c07b20 ffffffffb3c07ad0 ffffffffb363c3e0 [ 236.884786] Call Trace: [ 236.894589] [] dump_stack+0xd7/0x132 [ 236.907787] [] ? arch_local_irq_restore+0x1b/0x1b [ 236.926582] [] ubsan_epilogue+0x12/0x53 [ 236.943682] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 236.968125] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 236.988363] [] ramfs_fill_super+0x3d0/0x3f8 [ 237.009262] [] ? sget_userns+0xc76/0xcbc [ 237.023605] [] ? get_anon_bdev+0x1e7/0x1e7 [ 237.043718] [] ? ramfs_symlink+0x126/0x126 [ 237.060672] [] ? get_super_thawed+0x211/0x211 [ 237.080370] [] ? security_capable+0xaa/0xb9 [ 237.096794] [] ? get_anon_bdev+0x1e7/0x1e7 [ 237.116593] [] ? ns_capable_common+0x149/0x153 [ 237.135160] [] ? ramfs_symlink+0x126/0x126 [ 237.158368] [] mount_nodev+0x67/0x11e [ 237.171940] [] ? ramfs_fill_super+0x5/0x3f8 [ 237.187427] [] ? mount_nodev+0x67/0x11e [ 237.205032] [] ? ramfs_symlink+0x126/0x126 [ 237.229920] [] rootfs_mount+0x86/0x9d [ 237.245048] [] mount_fs+0xd0/0x2ca [ 237.260606] [] vfs_kern_mount+0xa0/0x20a [ 237.275579] [] mnt_init+0x280/0x44f [ 237.289787] [] ? set_mphash_entries+0x48/0x48 [ 237.312650] [] ? kmem_cache_create+0xe7/0x129 [ 237.327727] [] vfs_caches_init+0x85/0x15f [ 237.345702] [] start_kernel+0x599/0x64b [ 237.361096] [] ? thread_stack_cache_init+0xb/0xb [ 237.382832] [] ? cmdline_find_option_bool+0x131/0x146 [ 237.401730] [] ? early_idt_handler_array+0x120/0x120 [ 237.419571] [] x86_64_start_reservations+0x24/0x26 [ 237.438211] [] x86_64_start_kernel+0x179/0x19c [ 237.460227] ================================================================================ [ 237.483938] ================================================================================ [ 237.510960] UBSAN: Undefined behaviour in fs/super.c:1153:13 [ 237.528505] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 237.552844] which requires 64 byte alignment [ 237.564697] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 237.584262] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 237.618602] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c68 ffffffffb26ec5cc [ 237.640950] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 237.662216] 1fffffff00000010 ffffffffb3c07c90 ffffffffb3c07c40 ffffffffb363c3e0 [ 237.682811] Call Trace: [ 237.689529] [] dump_stack+0xd7/0x132 [ 237.708412] [] ? arch_local_irq_restore+0x1b/0x1b [ 237.728726] [] ubsan_epilogue+0x12/0x53 [ 237.744761] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 237.769707] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 237.794560] [] ? ramfs_symlink+0x126/0x126 [ 237.810393] [] mount_nodev+0x9f/0x11e [ 237.838691] [] ? ramfs_symlink+0x126/0x126 [ 237.855562] [] rootfs_mount+0x86/0x9d [ 237.869716] [] mount_fs+0xd0/0x2ca [ 237.888060] [] vfs_kern_mount+0xa0/0x20a [ 237.912027] [] mnt_init+0x280/0x44f [ 237.949977] [] ? set_mphash_entries+0x48/0x48 [ 237.977112] [] ? kmem_cache_create+0xe7/0x129 [ 237.999349] [] vfs_caches_init+0x85/0x15f [ 238.023007] [] start_kernel+0x599/0x64b [ 238.040459] [] ? thread_stack_cache_init+0xb/0xb [ 238.062212] [] ? cmdline_find_option_bool+0x131/0x146 [ 238.085076] [] ? early_idt_handler_array+0x120/0x120 [ 238.105361] [] x86_64_start_reservations+0x24/0x26 [ 238.126761] [] x86_64_start_kernel+0x179/0x19c [ 238.144929] ================================================================================ [ 238.177963] ================================================================================ [ 238.208455] UBSAN: Undefined behaviour in fs/super.c:1153:13 [ 238.223830] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 238.249388] which requires 64 byte alignment [ 238.263942] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 238.282207] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 238.308935] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c68 ffffffffb26ec5cc [ 238.332171] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 238.363123] 0000000000000010 ffffffffb3c07c90 ffffffffb3c07c40 ffffffffb363c3e0 [ 238.382623] Call Trace: [ 238.390893] [] dump_stack+0xd7/0x132 [ 238.406353] [] ? arch_local_irq_restore+0x1b/0x1b [ 238.426684] [] ubsan_epilogue+0x12/0x53 [ 238.442528] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 238.461720] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 238.489267] [] ? ramfs_symlink+0x126/0x126 [ 238.510360] [] mount_nodev+0xcc/0x11e [ 238.526871] [] ? ramfs_symlink+0x126/0x126 [ 238.543618] [] rootfs_mount+0x86/0x9d [ 238.557796] [] mount_fs+0xd0/0x2ca [ 238.579218] [] vfs_kern_mount+0xa0/0x20a [ 238.596090] [] mnt_init+0x280/0x44f [ 238.609433] [] ? set_mphash_entries+0x48/0x48 [ 238.624915] [] ? kmem_cache_create+0xe7/0x129 [ 238.645786] [] vfs_caches_init+0x85/0x15f [ 238.662287] [] start_kernel+0x599/0x64b [ 238.676030] [] ? thread_stack_cache_init+0xb/0xb [ 238.699777] [] ? cmdline_find_option_bool+0x131/0x146 [ 238.721040] [] ? early_idt_handler_array+0x120/0x120 [ 238.742745] [] x86_64_start_reservations+0x24/0x26 [ 238.763327] [] x86_64_start_kernel+0x179/0x19c [ 238.783288] ================================================================================ [ 238.806073] ================================================================================ [ 238.831755] UBSAN: Undefined behaviour in fs/super.c:1154:9 [ 238.849310] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 238.880520] which requires 64 byte alignment [ 238.892348] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 238.908165] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 238.934710] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c68 ffffffffb26ec5cc [ 238.963254] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 238.984505] 0000000000000010 ffffffffb3c07c90 ffffffffb3c07c40 ffffffffb363c3e0 [ 239.007587] Call Trace: [ 239.015494] [] dump_stack+0xd7/0x132 [ 239.037260] [] ? arch_local_irq_restore+0x1b/0x1b [ 239.052442] [] ubsan_epilogue+0x12/0x53 [ 239.076442] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 239.104028] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 239.132353] [] ? ramfs_symlink+0x126/0x126 [ 239.159799] [] mount_nodev+0xe9/0x11e [ 239.182170] [] ? ramfs_symlink+0x126/0x126 [ 239.203354] [] rootfs_mount+0x86/0x9d [ 239.228946] [] mount_fs+0xd0/0x2ca [ 239.245582] [] vfs_kern_mount+0xa0/0x20a [ 239.265814] [] mnt_init+0x280/0x44f [ 239.282341] [] ? set_mphash_entries+0x48/0x48 [ 239.300272] [] ? kmem_cache_create+0xe7/0x129 [ 239.320315] [] vfs_caches_init+0x85/0x15f [ 239.339928] [] start_kernel+0x599/0x64b [ 239.355198] [] ? thread_stack_cache_init+0xb/0xb [ 239.373142] [] ? cmdline_find_option_bool+0x131/0x146 [ 239.393853] [] ? early_idt_handler_array+0x120/0x120 [ 239.416124] [] x86_64_start_reservations+0x24/0x26 [ 239.438409] [] x86_64_start_kernel+0x179/0x19c [ 239.453889] ================================================================================ [ 239.481521] ================================================================================ [ 239.505878] UBSAN: Undefined behaviour in fs/super.c:1212:2 [ 239.522561] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 239.555538] which requires 64 byte alignment [ 239.567888] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 239.587207] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 239.618985] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07ce0 ffffffffb26ec5cc [ 239.646316] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 239.668041] ffffffff00000010 ffffffffb3c07d08 ffffffffb3c07cb8 ffffffffb363c3e0 [ 239.695535] Call Trace: [ 239.703086] [] dump_stack+0xd7/0x132 [ 239.719813] [] ? arch_local_irq_restore+0x1b/0x1b [ 239.735714] [] ubsan_epilogue+0x12/0x53 [ 239.750580] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 239.770540] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 239.799190] [] ? mount_nodev+0x10f/0x11e [ 239.820953] [] ? ramfs_symlink+0x126/0x126 [ 239.837462] [] mount_fs+0x145/0x2ca [ 239.850724] [] vfs_kern_mount+0xa0/0x20a [ 239.867768] [] mnt_init+0x280/0x44f [ 239.887849] [] ? set_mphash_entries+0x48/0x48 [ 239.906900] [] ? kmem_cache_create+0xe7/0x129 [ 239.924648] [] vfs_caches_init+0x85/0x15f [ 239.942532] [] start_kernel+0x599/0x64b [ 239.965870] [] ? thread_stack_cache_init+0xb/0xb [ 239.987425] [] ? cmdline_find_option_bool+0x131/0x146 [ 240.004922] [] ? early_idt_handler_array+0x120/0x120 [ 240.024861] [] x86_64_start_reservations+0x24/0x26 [ 240.045543] [] x86_64_start_kernel+0x179/0x19c [ 240.070372] ================================================================================ [ 240.099218] ================================================================================ [ 240.125956] UBSAN: Undefined behaviour in fs/super.c:1213:14 [ 240.148173] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 240.173749] which requires 64 byte alignment [ 240.184468] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 240.202220] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 240.234189] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07ce0 ffffffffb26ec5cc [ 240.257990] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 240.284729] 0000000000000010 ffffffffb3c07d08 ffffffffb3c07cb8 ffffffffb363c3e0 [ 240.307239] Call Trace: [ 240.313482] [] dump_stack+0xd7/0x132 [ 240.327530] [] ? arch_local_irq_restore+0x1b/0x1b [ 240.347250] [] ubsan_epilogue+0x12/0x53 [ 240.368198] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 240.388648] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 240.407451] [] ? mount_nodev+0x10f/0x11e [ 240.424507] [] ? ramfs_symlink+0x126/0x126 [ 240.440589] [] mount_fs+0x18f/0x2ca [ 240.455301] [] vfs_kern_mount+0xa0/0x20a [ 240.472023] [] mnt_init+0x280/0x44f [ 240.485960] [] ? set_mphash_entries+0x48/0x48 [ 240.503665] [] ? kmem_cache_create+0xe7/0x129 [ 240.519622] [] vfs_caches_init+0x85/0x15f [ 240.535468] [] start_kernel+0x599/0x64b [ 240.559805] [] ? thread_stack_cache_init+0xb/0xb [ 240.582221] [] ? cmdline_find_option_bool+0x131/0x146 [ 240.604695] [] ? early_idt_handler_array+0x120/0x120 [ 240.625327] [] x86_64_start_reservations+0x24/0x26 [ 240.648152] [] x86_64_start_kernel+0x179/0x19c [ 240.676252] ================================================================================ [ 240.702094] ================================================================================ [ 240.725802] UBSAN: Undefined behaviour in fs/super.c:1213:14 [ 240.741487] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 240.772306] which requires 64 byte alignment [ 240.783858] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 240.801741] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 240.832433] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07ce0 ffffffffb26ec5cc [ 240.861460] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 240.882959] 0000000000000010 ffffffffb3c07d08 ffffffffb3c07cb8 ffffffffb363c3e0 [ 240.908998] Call Trace: [ 240.915437] [] dump_stack+0xd7/0x132 [ 240.934147] [] ? arch_local_irq_restore+0x1b/0x1b [ 240.951706] [] ubsan_epilogue+0x12/0x53 [ 240.969263] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 240.989224] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 241.010842] [] ? mount_nodev+0x10f/0x11e [ 241.026294] [] ? ramfs_symlink+0x126/0x126 [ 241.042972] [] mount_fs+0x1bc/0x2ca [ 241.059150] [] vfs_kern_mount+0xa0/0x20a [ 241.072220] [] mnt_init+0x280/0x44f [ 241.096645] [] ? set_mphash_entries+0x48/0x48 [ 241.111995] [] ? kmem_cache_create+0xe7/0x129 [ 241.136578] [] vfs_caches_init+0x85/0x15f [ 241.152438] [] start_kernel+0x599/0x64b [ 241.169613] [] ? thread_stack_cache_init+0xb/0xb [ 241.189323] [] ? cmdline_find_option_bool+0x131/0x146 [ 241.215252] [] ? early_idt_handler_array+0x120/0x120 [ 241.231123] [] x86_64_start_reservations+0x24/0x26 [ 241.252514] [] x86_64_start_kernel+0x179/0x19c [ 241.270544] ================================================================================ [ 241.299843] ================================================================================ [ 241.330088] UBSAN: Undefined behaviour in fs/super.c:1225:2 [ 241.348426] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 241.377853] which requires 64 byte alignment [ 241.388522] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 241.405297] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 241.432576] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07ce0 ffffffffb26ec5cc [ 241.468692] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 241.492223] 0000000000000010 ffffffffb3c07d08 ffffffffb3c07cb8 ffffffffb363c3e0 [ 241.513028] Call Trace: [ 241.519596] [] dump_stack+0xd7/0x132 [ 241.538379] [] ? arch_local_irq_restore+0x1b/0x1b [ 241.554080] [] ubsan_epilogue+0x12/0x53 [ 241.575784] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 241.596695] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 241.617755] [] ? mount_nodev+0x10f/0x11e [ 241.632818] [] ? security_sb_kern_mount+0xa5/0xb4 [ 241.655793] [] mount_fs+0x1f7/0x2ca [ 241.672119] [] vfs_kern_mount+0xa0/0x20a [ 241.688276] [] mnt_init+0x280/0x44f [ 241.704661] [] ? set_mphash_entries+0x48/0x48 [ 241.723329] [] ? kmem_cache_create+0xe7/0x129 [ 241.742815] [] vfs_caches_init+0x85/0x15f [ 241.757151] [] start_kernel+0x599/0x64b [ 241.771553] [] ? thread_stack_cache_init+0xb/0xb [ 241.789943] [] ? cmdline_find_option_bool+0x131/0x146 [ 241.809647] [] ? early_idt_handler_array+0x120/0x120 [ 241.836554] [] x86_64_start_reservations+0x24/0x26 [ 241.855392] [] x86_64_start_kernel+0x179/0x19c [ 241.871385] ================================================================================ [ 241.898956] ================================================================================ [ 241.925185] UBSAN: Undefined behaviour in fs/libfs.c:252:16 [ 241.944278] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 241.980860] which requires 64 byte alignment [ 241.995594] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 242.020300] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 242.048772] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c70 ffffffffb26ec5cc [ 242.068905] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 242.099002] 1fffffff00000010 ffffffffb3c07c98 ffffffffb3c07c48 ffffffffb363c3e0 [ 242.121868] Call Trace: [ 242.132285] [] dump_stack+0xd7/0x132 [ 242.148083] [] ? arch_local_irq_restore+0x1b/0x1b [ 242.211141] [] ubsan_epilogue+0x12/0x53 [ 242.254498] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 242.274015] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 242.299860] [] ? get_anon_bdev+0x1e7/0x1e7 [ 242.316946] [] ? sget+0xd3/0xe3 [ 242.328561] [] mount_pseudo+0xf2/0x43c [ 242.344918] [] ? move_cursor+0x30e/0x30e [ 242.359515] [] bd_mount+0x37/0xc7 [ 242.381516] [] mount_fs+0xd0/0x2ca [ 242.396120] [] vfs_kern_mount+0xa0/0x20a [ 242.418751] [] kern_mount_data+0x4b/0x9a [ 242.436002] [] bdev_cache_init+0x66/0xbc [ 242.451332] [] vfs_caches_init+0x8a/0x15f [ 242.476973] [] start_kernel+0x599/0x64b [ 242.493678] [] ? thread_stack_cache_init+0xb/0xb [ 242.522256] [] ? cmdline_find_option_bool+0x131/0x146 [ 242.543421] [] ? early_idt_handler_array+0x120/0x120 [ 242.560971] [] x86_64_start_reservations+0x24/0x26 [ 242.579872] [] x86_64_start_kernel+0x179/0x19c [ 242.605903] ================================================================================ [ 242.632948] ================================================================================ [ 242.662009] UBSAN: Undefined behaviour in fs/libfs.c:253:17 [ 242.679877] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 242.707400] which requires 64 byte alignment [ 242.719600] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 242.738969] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 242.774303] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c70 ffffffffb26ec5cc [ 242.804272] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 242.835686] 0000000000000010 ffffffffb3c07c98 ffffffffb3c07c48 ffffffffb363c3e0 [ 242.860093] Call Trace: [ 242.866160] [] dump_stack+0xd7/0x132 [ 242.879565] [] ? arch_local_irq_restore+0x1b/0x1b [ 242.902693] [] ubsan_epilogue+0x12/0x53 [ 242.918570] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 242.943777] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 242.969266] [] ? get_anon_bdev+0x1e7/0x1e7 [ 242.985492] [] ? sget+0xd3/0xe3 [ 242.998615] [] mount_pseudo+0x122/0x43c [ 243.019231] [] ? move_cursor+0x30e/0x30e [ 243.034096] [] bd_mount+0x37/0xc7 [ 243.048851] [] mount_fs+0xd0/0x2ca [ 243.065100] [] vfs_kern_mount+0xa0/0x20a [ 243.081204] [] kern_mount_data+0x4b/0x9a [ 243.098207] [] bdev_cache_init+0x66/0xbc [ 243.112568] [] vfs_caches_init+0x8a/0x15f [ 243.131380] [] start_kernel+0x599/0x64b [ 243.153958] [] ? thread_stack_cache_init+0xb/0xb [ 243.177060] [] ? cmdline_find_option_bool+0x131/0x146 [ 243.194161] [] ? early_idt_handler_array+0x120/0x120 [ 243.211738] [] x86_64_start_reservations+0x24/0x26 [ 243.237731] [] x86_64_start_kernel+0x179/0x19c [ 243.254231] ================================================================================ [ 243.286513] ================================================================================ [ 243.319168] UBSAN: Undefined behaviour in fs/libfs.c:254:22 [ 243.344843] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 243.378092] which requires 64 byte alignment [ 243.395031] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 243.411202] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 243.440708] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c70 ffffffffb26ec5cc [ 243.475279] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 243.497812] 0000000000000010 ffffffffb3c07c98 ffffffffb3c07c48 ffffffffb363c3e0 [ 243.521409] Call Trace: [ 243.527592] [] dump_stack+0xd7/0x132 [ 243.544212] [] ? arch_local_irq_restore+0x1b/0x1b [ 243.565921] [] ubsan_epilogue+0x12/0x53 [ 243.580659] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 243.603999] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 243.628945] [] ? get_anon_bdev+0x1e7/0x1e7 [ 243.646489] [] ? sget+0xd3/0xe3 [ 243.660441] [] mount_pseudo+0x14c/0x43c [ 243.675731] [] ? move_cursor+0x30e/0x30e [ 243.692444] [] bd_mount+0x37/0xc7 [ 243.706896] [] mount_fs+0xd0/0x2ca [ 243.730820] [] vfs_kern_mount+0xa0/0x20a [ 243.746441] [] kern_mount_data+0x4b/0x9a [ 243.762946] [] bdev_cache_init+0x66/0xbc [ 243.778089] [] vfs_caches_init+0x8a/0x15f [ 243.793912] [] start_kernel+0x599/0x64b [ 243.807684] [] ? thread_stack_cache_init+0xb/0xb [ 243.826049] [] ? cmdline_find_option_bool+0x131/0x146 [ 243.847422] [] ? early_idt_handler_array+0x120/0x120 [ 243.867508] [] x86_64_start_reservations+0x24/0x26 [ 243.886356] [] x86_64_start_kernel+0x179/0x19c [ 243.906450] ================================================================================ [ 243.929446] ================================================================================ [ 243.955186] UBSAN: Undefined behaviour in fs/libfs.c:255:13 [ 243.969688] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 243.997901] which requires 64 byte alignment [ 244.010408] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 244.029458] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 244.054523] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c70 ffffffffb26ec5cc [ 244.076830] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 244.098765] 0000000000000010 ffffffffb3c07c98 ffffffffb3c07c48 ffffffffb363c3e0 [ 244.121490] Call Trace: [ 244.127758] [] dump_stack+0xd7/0x132 [ 244.143386] [] ? arch_local_irq_restore+0x1b/0x1b [ 244.161050] [] ubsan_epilogue+0x12/0x53 [ 244.176269] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 244.195469] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 244.219782] [] ? get_anon_bdev+0x1e7/0x1e7 [ 244.234675] [] ? sget+0xd3/0xe3 [ 244.248709] [] mount_pseudo+0x172/0x43c [ 244.266166] [] ? move_cursor+0x30e/0x30e [ 244.283387] [] bd_mount+0x37/0xc7 [ 244.297900] [] mount_fs+0xd0/0x2ca [ 244.309443] [] vfs_kern_mount+0xa0/0x20a [ 244.325655] [] kern_mount_data+0x4b/0x9a [ 244.340625] [] bdev_cache_init+0x66/0xbc [ 244.354096] [] vfs_caches_init+0x8a/0x15f [ 244.371445] [] start_kernel+0x599/0x64b [ 244.387461] [] ? thread_stack_cache_init+0xb/0xb [ 244.404542] [] ? cmdline_find_option_bool+0x131/0x146 [ 244.421999] [] ? early_idt_handler_array+0x120/0x120 [ 244.444128] [] x86_64_start_reservations+0x24/0x26 [ 244.460378] [] x86_64_start_kernel+0x179/0x19c [ 244.477352] ================================================================================ [ 244.498703] ================================================================================ [ 244.521195] UBSAN: Undefined behaviour in fs/libfs.c:256:10 [ 244.537160] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 244.563073] which requires 64 byte alignment [ 244.575216] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 244.595307] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 244.622769] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c70 ffffffffb26ec5cc [ 244.644327] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 244.664922] 0000000000000010 ffffffffb3c07c98 ffffffffb3c07c48 ffffffffb363c3e0 [ 244.684605] Call Trace: [ 244.693033] [] dump_stack+0xd7/0x132 [ 244.706039] [] ? arch_local_irq_restore+0x1b/0x1b [ 244.723087] [] ubsan_epilogue+0x12/0x53 [ 244.738686] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 244.757865] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 244.778893] [] ? get_anon_bdev+0x1e7/0x1e7 [ 244.794886] [] ? sget+0xd3/0xe3 [ 244.806624] [] mount_pseudo+0x1ab/0x43c [ 244.822112] [] ? move_cursor+0x30e/0x30e [ 244.836398] [] bd_mount+0x37/0xc7 [ 244.851786] [] mount_fs+0xd0/0x2ca [ 244.867534] [] vfs_kern_mount+0xa0/0x20a [ 244.882664] [] kern_mount_data+0x4b/0x9a [ 244.899251] [] bdev_cache_init+0x66/0xbc [ 244.912950] [] vfs_caches_init+0x8a/0x15f [ 244.929644] [] start_kernel+0x599/0x64b [ 244.948319] [] ? thread_stack_cache_init+0xb/0xb [ 244.968957] [] ? cmdline_find_option_bool+0x131/0x146 [ 244.989901] [] ? early_idt_handler_array+0x120/0x120 [ 245.012393] [] x86_64_start_reservations+0x24/0x26 [ 245.032142] [] x86_64_start_kernel+0x179/0x19c [ 245.049379] ================================================================================ [ 245.071348] ================================================================================ [ 245.097286] UBSAN: Undefined behaviour in fs/libfs.c:257:17 [ 245.115222] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 245.142205] which requires 64 byte alignment [ 245.155963] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 245.172309] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 245.201840] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c70 ffffffffb26ec5cc [ 245.226107] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 245.257122] 0000000000000010 ffffffffb3c07c98 ffffffffb3c07c48 ffffffffb363c3e0 [ 245.281802] Call Trace: [ 245.292533] [] dump_stack+0xd7/0x132 [ 245.308679] [] ? arch_local_irq_restore+0x1b/0x1b [ 245.328187] [] ubsan_epilogue+0x12/0x53 [ 245.348776] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 245.369432] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 245.393944] [] ? get_anon_bdev+0x1e7/0x1e7 [ 245.409596] [] ? sget+0xd3/0xe3 [ 245.424438] [] mount_pseudo+0x1d1/0x43c [ 245.441289] [] ? move_cursor+0x30e/0x30e [ 245.460907] [] bd_mount+0x37/0xc7 [ 245.473877] [] mount_fs+0xd0/0x2ca [ 245.488662] [] vfs_kern_mount+0xa0/0x20a [ 245.505051] [] kern_mount_data+0x4b/0x9a [ 245.521211] [] bdev_cache_init+0x66/0xbc [ 245.537647] [] vfs_caches_init+0x8a/0x15f [ 245.550826] [] start_kernel+0x599/0x64b [ 245.566919] [] ? thread_stack_cache_init+0xb/0xb [ 245.587309] [] ? cmdline_find_option_bool+0x131/0x146 [ 245.608239] [] ? early_idt_handler_array+0x120/0x120 [ 245.629058] [] x86_64_start_reservations+0x24/0x26 [ 245.647482] [] x86_64_start_kernel+0x179/0x19c [ 245.666105] ================================================================================ [ 245.690422] ================================================================================ [ 245.714567] UBSAN: Undefined behaviour in fs/inode.c:205:13 [ 245.727787] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 245.754192] which requires 64 byte alignment [ 245.777744] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 245.791670] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 245.818200] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b90 ffffffffb26ec5cc [ 245.838050] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 245.861742] ffffffff00000010 ffffffffb3c07bb8 ffffffffb3c07b68 ffffffffb363c3e0 [ 245.883144] Call Trace: [ 245.890190] [] dump_stack+0xd7/0x132 [ 245.906477] [] ? arch_local_irq_restore+0x1b/0x1b [ 245.926559] [] ubsan_epilogue+0x12/0x53 [ 245.940967] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 245.959046] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 245.979883] [] ? ubsan_epilogue+0x26/0x53 [ 245.994474] [] ? bdev_i_callback+0x28/0x28 [ 246.009548] [] alloc_inode+0x89/0x1e5 [ 246.024497] [] new_inode_pseudo+0x6d/0x15b [ 246.041943] [] ? prune_icache_sb+0x12b/0x12b [ 246.059650] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 246.079655] [] new_inode+0x24/0x45 [ 246.094255] [] mount_pseudo+0x1ef/0x43c [ 246.107457] [] ? move_cursor+0x30e/0x30e [ 246.124092] [] bd_mount+0x37/0xc7 [ 246.147405] [] mount_fs+0xd0/0x2ca [ 246.161210] [] vfs_kern_mount+0xa0/0x20a [ 246.176584] [] kern_mount_data+0x4b/0x9a [ 246.189285] [] bdev_cache_init+0x66/0xbc [ 246.207174] [] vfs_caches_init+0x8a/0x15f [ 246.225402] [] start_kernel+0x599/0x64b [ 246.241661] [] ? thread_stack_cache_init+0xb/0xb [ 246.258811] [] ? cmdline_find_option_bool+0x131/0x146 [ 246.277252] [] ? early_idt_handler_array+0x120/0x120 [ 246.295808] [] x86_64_start_reservations+0x24/0x26 [ 246.314677] [] x86_64_start_kernel+0x179/0x19c [ 246.330704] ================================================================================ [ 246.355310] ================================================================================ [ 246.379558] UBSAN: Undefined behaviour in fs/libfs.c:275:12 [ 246.397025] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 246.421016] which requires 64 byte alignment [ 246.432528] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 246.449189] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 246.476238] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c70 ffffffffb26ec5cc [ 246.505980] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 246.528025] ffff880000000010 ffffffffb3c07c98 ffffffffb3c07c48 ffffffffb363c3e0 [ 246.551171] Call Trace: [ 246.557084] [] dump_stack+0xd7/0x132 [ 246.570962] [] ? arch_local_irq_restore+0x1b/0x1b [ 246.589851] [] ubsan_epilogue+0x12/0x53 [ 246.605559] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 246.626270] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 246.648658] [] mount_pseudo+0x33a/0x43c [ 246.664119] [] ? move_cursor+0x30e/0x30e [ 246.678270] [] bd_mount+0x37/0xc7 [ 246.694113] [] mount_fs+0xd0/0x2ca [ 246.708919] [] vfs_kern_mount+0xa0/0x20a [ 246.724198] [] kern_mount_data+0x4b/0x9a [ 246.739563] [] bdev_cache_init+0x66/0xbc [ 246.754945] [] vfs_caches_init+0x8a/0x15f [ 246.770428] [] start_kernel+0x599/0x64b [ 246.786297] [] ? thread_stack_cache_init+0xb/0xb [ 246.804831] [] ? cmdline_find_option_bool+0x131/0x146 [ 246.827639] [] ? early_idt_handler_array+0x120/0x120 [ 246.848333] [] x86_64_start_reservations+0x24/0x26 [ 246.866545] [] x86_64_start_kernel+0x179/0x19c [ 246.892288] ================================================================================ [ 246.917354] ================================================================================ [ 246.937433] UBSAN: Undefined behaviour in fs/libfs.c:276:12 [ 246.954222] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 246.980127] which requires 64 byte alignment [ 246.991911] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 247.006904] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 247.034147] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c70 ffffffffb26ec5cc [ 247.053518] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 247.075472] 0000000000000010 ffffffffb3c07c98 ffffffffb3c07c48 ffffffffb363c3e0 [ 247.098242] Call Trace: [ 247.103868] [] dump_stack+0xd7/0x132 [ 247.121723] [] ? arch_local_irq_restore+0x1b/0x1b [ 247.143927] [] ubsan_epilogue+0x12/0x53 [ 247.158942] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 247.178272] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 247.196818] [] mount_pseudo+0x360/0x43c [ 247.212170] [] ? move_cursor+0x30e/0x30e [ 247.230414] [] bd_mount+0x37/0xc7 [ 247.244407] [] mount_fs+0xd0/0x2ca [ 247.257093] [] vfs_kern_mount+0xa0/0x20a [ 247.272290] [] kern_mount_data+0x4b/0x9a [ 247.290108] [] bdev_cache_init+0x66/0xbc [ 247.305471] [] vfs_caches_init+0x8a/0x15f [ 247.322241] [] start_kernel+0x599/0x64b [ 247.341411] [] ? thread_stack_cache_init+0xb/0xb [ 247.375861] [] ? cmdline_find_option_bool+0x131/0x146 [ 247.399513] [] ? early_idt_handler_array+0x120/0x120 [ 247.427620] [] x86_64_start_reservations+0x24/0x26 [ 247.460274] [] x86_64_start_kernel+0x179/0x19c [ 247.486629] ================================================================================ [ 247.515308] ================================================================================ [ 247.538804] UBSAN: Undefined behaviour in fs/libfs.c:277:13 [ 247.553817] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 247.579519] which requires 64 byte alignment [ 247.590293] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 247.608253] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 247.635926] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c70 ffffffffb26ec5cc [ 247.656433] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 247.676307] 0000000000000010 ffffffffb3c07c98 ffffffffb3c07c48 ffffffffb363c3e0 [ 247.697692] Call Trace: [ 247.704296] [] dump_stack+0xd7/0x132 [ 247.719162] [] ? arch_local_irq_restore+0x1b/0x1b [ 247.735236] [] ubsan_epilogue+0x12/0x53 [ 247.749264] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 247.780402] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 247.799240] [] mount_pseudo+0x38c/0x43c [ 247.814853] [] ? move_cursor+0x30e/0x30e [ 247.833427] [] bd_mount+0x37/0xc7 [ 247.846251] [] mount_fs+0xd0/0x2ca [ 247.861978] [] vfs_kern_mount+0xa0/0x20a [ 247.877069] [] kern_mount_data+0x4b/0x9a [ 247.894463] [] bdev_cache_init+0x66/0xbc [ 247.908904] [] vfs_caches_init+0x8a/0x15f [ 247.925627] [] start_kernel+0x599/0x64b [ 247.942402] [] ? thread_stack_cache_init+0xb/0xb [ 247.961814] [] ? cmdline_find_option_bool+0x131/0x146 [ 247.980561] [] ? early_idt_handler_array+0x120/0x120 [ 248.001125] [] x86_64_start_reservations+0x24/0x26 [ 248.019400] [] x86_64_start_kernel+0x179/0x19c [ 248.036518] ================================================================================ [ 248.059004] ================================================================================ [ 248.082685] UBSAN: Undefined behaviour in fs/libfs.c:277:13 [ 248.103012] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 248.134029] which requires 64 byte alignment [ 248.151132] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 248.173845] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 248.209174] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c70 ffffffffb26ec5cc [ 248.233224] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 248.252204] 0000000000000010 ffffffffb3c07c98 ffffffffb3c07c48 ffffffffb363c3e0 [ 248.274769] Call Trace: [ 248.282198] [] dump_stack+0xd7/0x132 [ 248.296821] [] ? arch_local_irq_restore+0x1b/0x1b [ 248.313745] [] ubsan_epilogue+0x12/0x53 [ 248.326391] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 248.346719] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 248.367582] [] mount_pseudo+0x3b9/0x43c [ 248.385131] [] ? move_cursor+0x30e/0x30e [ 248.401413] [] bd_mount+0x37/0xc7 [ 248.425546] [] mount_fs+0xd0/0x2ca [ 248.443203] [] vfs_kern_mount+0xa0/0x20a [ 248.457751] [] kern_mount_data+0x4b/0x9a [ 248.473286] [] bdev_cache_init+0x66/0xbc [ 248.488445] [] vfs_caches_init+0x8a/0x15f [ 248.504988] [] start_kernel+0x599/0x64b [ 248.519941] [] ? thread_stack_cache_init+0xb/0xb [ 248.539482] [] ? cmdline_find_option_bool+0x131/0x146 [ 248.557373] [] ? early_idt_handler_array+0x120/0x120 [ 248.577063] [] x86_64_start_reservations+0x24/0x26 [ 248.598632] [] x86_64_start_kernel+0x179/0x19c [ 248.616673] ================================================================================ [ 248.639582] ================================================================================ [ 248.663643] UBSAN: Undefined behaviour in fs/libfs.c:278:9 [ 248.679622] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 248.703432] which requires 64 byte alignment [ 248.715883] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 248.735514] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 248.761708] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c70 ffffffffb26ec5cc [ 248.782510] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 248.805077] 0000000000000010 ffffffffb3c07c98 ffffffffb3c07c48 ffffffffb363c3e0 [ 248.825365] Call Trace: [ 248.831952] [] dump_stack+0xd7/0x132 [ 248.846665] [] ? arch_local_irq_restore+0x1b/0x1b [ 248.866583] [] ubsan_epilogue+0x12/0x53 [ 248.884120] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 248.903751] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 248.927172] [] mount_pseudo+0x3d6/0x43c [ 248.942467] [] ? move_cursor+0x30e/0x30e [ 248.957217] [] bd_mount+0x37/0xc7 [ 248.970020] [] mount_fs+0xd0/0x2ca [ 248.986308] [] vfs_kern_mount+0xa0/0x20a [ 249.003860] [] kern_mount_data+0x4b/0x9a [ 249.022380] [] bdev_cache_init+0x66/0xbc [ 249.046752] [] vfs_caches_init+0x8a/0x15f [ 249.064697] [] start_kernel+0x599/0x64b [ 249.079518] [] ? thread_stack_cache_init+0xb/0xb [ 249.099095] [] ? cmdline_find_option_bool+0x131/0x146 [ 249.119371] [] ? early_idt_handler_array+0x120/0x120 [ 249.136675] [] x86_64_start_reservations+0x24/0x26 [ 249.158071] [] x86_64_start_kernel+0x179/0x19c [ 249.178171] ================================================================================ [ 249.201226] ================================================================================ [ 249.224634] UBSAN: Undefined behaviour in fs/block_dev.c:651:24 [ 249.241893] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 249.267155] which requires 64 byte alignment [ 249.279394] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 249.303745] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 249.330888] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d18 ffffffffb26ec5cc [ 249.352654] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 249.376962] ffffffff00000010 ffffffffb3c07d40 ffffffffb3c07cf0 ffffffffb363c3e0 [ 249.400320] Call Trace: [ 249.406959] [] dump_stack+0xd7/0x132 [ 249.422682] [] ? arch_local_irq_restore+0x1b/0x1b [ 249.441226] [] ubsan_epilogue+0x12/0x53 [ 249.455550] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 249.474961] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 249.495820] [] bd_mount+0x89/0xc7 [ 249.507311] [] mount_fs+0xd0/0x2ca [ 249.521202] [] vfs_kern_mount+0xa0/0x20a [ 249.537860] [] kern_mount_data+0x4b/0x9a [ 249.552853] [] bdev_cache_init+0x66/0xbc [ 249.570501] [] vfs_caches_init+0x8a/0x15f [ 249.587683] [] start_kernel+0x599/0x64b [ 249.601440] [] ? thread_stack_cache_init+0xb/0xb [ 249.619111] [] ? cmdline_find_option_bool+0x131/0x146 [ 249.639615] [] ? early_idt_handler_array+0x120/0x120 [ 249.666123] [] x86_64_start_reservations+0x24/0x26 [ 249.684714] [] x86_64_start_kernel+0x179/0x19c [ 249.713082] ================================================================================ [ 249.737911] ================================================================================ [ 249.764557] UBSAN: Undefined behaviour in fs/block_dev.c:651:24 [ 249.780318] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 249.808939] which requires 64 byte alignment [ 249.823839] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 249.838869] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 249.875479] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07d18 ffffffffb26ec5cc [ 249.901387] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 249.925700] 0000000000000010 ffffffffb3c07d40 ffffffffb3c07cf0 ffffffffb363c3e0 [ 249.947473] Call Trace: [ 249.954661] [] dump_stack+0xd7/0x132 [ 249.969828] [] ? arch_local_irq_restore+0x1b/0x1b [ 249.988105] [] ubsan_epilogue+0x12/0x53 [ 250.003608] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 250.022633] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 250.044697] [] bd_mount+0xb3/0xc7 [ 250.057340] [] mount_fs+0xd0/0x2ca [ 250.071532] [] vfs_kern_mount+0xa0/0x20a [ 250.089735] [] kern_mount_data+0x4b/0x9a [ 250.105669] [] bdev_cache_init+0x66/0xbc [ 250.124243] [] vfs_caches_init+0x8a/0x15f [ 250.140036] [] start_kernel+0x599/0x64b [ 250.160401] [] ? thread_stack_cache_init+0xb/0xb [ 250.179364] [] ? cmdline_find_option_bool+0x131/0x146 [ 250.197673] [] ? early_idt_handler_array+0x120/0x120 [ 250.218320] [] x86_64_start_reservations+0x24/0x26 [ 250.235804] [] x86_64_start_kernel+0x179/0x19c [ 250.252991] ================================================================================ [ 250.280844] ================================================================================ [ 250.305993] UBSAN: Undefined behaviour in fs/nsfs.c:171:28 [ 250.320179] member access within misaligned address ffff88005d0366d0 for type 'struct super_block' [ 250.345253] which requires 64 byte alignment [ 250.361774] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 250.377956] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 250.409051] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07e10 ffffffffb26ec5cc [ 250.437518] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 250.463908] ffffffff00000010 ffffffffb3c07e38 ffffffffb3c07de8 ffffffffb363c3e0 [ 250.489895] Call Trace: [ 250.498168] [] dump_stack+0xd7/0x132 [ 250.514972] [] ? arch_local_irq_restore+0x1b/0x1b [ 250.530095] [] ubsan_epilogue+0x12/0x53 [ 250.547214] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 250.567917] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 250.587720] [] ? vfs_kern_mount+0x1fa/0x20a [ 250.603773] [] nsfs_init+0x86/0xbc [ 250.618215] [] start_kernel+0x5ad/0x64b [ 250.632601] [] ? thread_stack_cache_init+0xb/0xb [ 250.651360] [] ? cmdline_find_option_bool+0x131/0x146 [ 250.672405] [] ? early_idt_handler_array+0x120/0x120 [ 250.691214] [] x86_64_start_reservations+0x24/0x26 [ 250.710847] [] x86_64_start_kernel+0x179/0x19c [ 250.728367] ================================================================================ [ 250.754055] ================================================================================ [ 250.781174] UBSAN: Undefined behaviour in fs/nsfs.c:171:28 [ 250.796959] member access within misaligned address ffff88005d0366d0 for type 'struct super_block' [ 250.835313] which requires 64 byte alignment [ 250.848434] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 250.868473] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 250.902390] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07e10 ffffffffb26ec5cc [ 250.927129] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 250.952039] 0000000000000010 ffffffffb3c07e38 ffffffffb3c07de8 ffffffffb363c3e0 [ 250.977126] Call Trace: [ 250.984250] [] dump_stack+0xd7/0x132 [ 251.001919] [] ? arch_local_irq_restore+0x1b/0x1b [ 251.023095] [] ubsan_epilogue+0x12/0x53 [ 251.037979] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 251.055304] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 251.074033] [] ? vfs_kern_mount+0x1fa/0x20a [ 251.092083] [] nsfs_init+0xb3/0xbc [ 251.106854] [] start_kernel+0x5ad/0x64b [ 251.124229] [] ? thread_stack_cache_init+0xb/0xb [ 251.146807] [] ? cmdline_find_option_bool+0x131/0x146 [ 251.168039] [] ? early_idt_handler_array+0x120/0x120 [ 251.188701] [] x86_64_start_reservations+0x24/0x26 [ 251.209072] [] x86_64_start_kernel+0x179/0x19c [ 251.229897] ================================================================================ [ 251.257491] ================================================================================ [ 251.281319] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 251.300952] load of misaligned address ffffffffb77ce73c for type 'volatile const long unsigned int' [ 251.331741] which requires 8 byte alignment [ 251.343925] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 251.369765] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 251.408285] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 251.440050] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 251.464786] ffffffff00000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 251.484627] Call Trace: [ 251.490601] [] dump_stack+0xd7/0x132 [ 251.507592] [] ? arch_local_irq_restore+0x1b/0x1b [ 251.523335] [] ubsan_epilogue+0x12/0x53 [ 251.542150] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 251.562340] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 251.580439] [] init_intel+0xd2/0x733 [ 251.594559] [] ? early_init_intel+0x832/0x832 [ 251.613651] [] ? start_kernel+0x5c1/0x64b [ 251.639966] [] ? x86_64_start_kernel+0x179/0x19c [ 251.659941] [] ? queued_spin_unlock+0xb/0xd [ 251.678292] [] ? deactivate_slab+0x53d/0x566 [ 251.692762] [] ? __delayacct_tsk_init+0x25/0xd6 [ 251.709806] [] ? strcmp+0x55/0x7d [ 251.725637] [] ? native_cpuid+0x61/0x82 [ 251.743628] [] ? early_init_intel+0x832/0x832 [ 251.763301] [] identify_cpu+0xa58/0x1040 [ 251.779138] [] ? get_cpu_cap+0x9e3/0x9e3 [ 251.795929] [] ? kasan_poison_shadow+0x2f/0x31 [ 251.813407] [] ? kasan_unpoison_shadow+0x14/0x35 [ 251.833623] [] ? kasan_kmalloc+0x94/0xa3 [ 251.846844] [] ? kasan_slab_alloc+0x12/0x14 [ 251.865917] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 251.885558] [] ? __delayacct_tsk_init+0x25/0xd6 [ 251.900568] [] ? __delayacct_tsk_init+0x25/0xd6 [ 251.924909] [] identify_boot_cpu+0x13/0xbc [ 251.943046] [] check_bugs+0xe/0x51 [ 251.958653] [] start_kernel+0x5c6/0x64b [ 251.973170] [] ? thread_stack_cache_init+0xb/0xb [ 251.990656] [] ? cmdline_find_option_bool+0x131/0x146 [ 252.008975] [] ? early_idt_handler_array+0x120/0x120 [ 252.028058] [] x86_64_start_reservations+0x24/0x26 [ 252.047889] [] x86_64_start_kernel+0x179/0x19c [ 252.064323] ================================================================================ [ 252.087065] ================================================================================ [ 252.117330] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 252.141420] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 252.167098] which requires 8 byte alignment [ 252.180718] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 252.199687] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 252.227352] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 252.249360] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 252.278537] ffffffff00000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 252.302834] Call Trace: [ 252.311060] [] dump_stack+0xd7/0x132 [ 252.324163] [] ? arch_local_irq_restore+0x1b/0x1b [ 252.342747] [] ubsan_epilogue+0x12/0x53 [ 252.357764] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 252.380465] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 252.402762] [] ? native_cpuid+0x61/0x82 [ 252.419098] [] init_intel+0x26e/0x733 [ 252.432029] [] ? early_init_intel+0x832/0x832 [ 252.450196] [] ? start_kernel+0x5c1/0x64b [ 252.468731] [] ? x86_64_start_kernel+0x179/0x19c [ 252.484014] [] ? queued_spin_unlock+0xb/0xd [ 252.501387] [] ? deactivate_slab+0x53d/0x566 [ 252.520853] [] ? __delayacct_tsk_init+0x25/0xd6 [ 252.537211] [] ? strcmp+0x55/0x7d [ 252.552047] [] ? native_cpuid+0x61/0x82 [ 252.569338] [] ? early_init_intel+0x832/0x832 [ 252.585825] [] identify_cpu+0xa58/0x1040 [ 252.601184] [] ? get_cpu_cap+0x9e3/0x9e3 [ 252.617701] [] ? kasan_poison_shadow+0x2f/0x31 [ 252.636798] [] ? kasan_unpoison_shadow+0x14/0x35 [ 252.651345] [] ? kasan_kmalloc+0x94/0xa3 [ 252.668232] [] ? kasan_slab_alloc+0x12/0x14 [ 252.684753] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 252.703325] [] ? __delayacct_tsk_init+0x25/0xd6 [ 252.720395] [] ? __delayacct_tsk_init+0x25/0xd6 [ 252.739154] [] identify_boot_cpu+0x13/0xbc [ 252.753585] [] check_bugs+0xe/0x51 [ 252.771612] [] start_kernel+0x5c6/0x64b [ 252.788190] [] ? thread_stack_cache_init+0xb/0xb [ 252.803115] [] ? cmdline_find_option_bool+0x131/0x146 [ 252.843423] [] ? early_idt_handler_array+0x120/0x120 [ 252.863928] [] x86_64_start_reservations+0x24/0x26 [ 252.890428] [] x86_64_start_kernel+0x179/0x19c [ 252.908518] ================================================================================ [ 252.934091] ================================================================================ [ 252.958566] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 252.976794] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 253.001967] which requires 8 byte alignment [ 253.018730] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 253.038996] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 253.065576] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 253.088270] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 253.109313] 0000000000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 253.129361] Call Trace: [ 253.138670] [] dump_stack+0xd7/0x132 [ 253.152741] [] ? arch_local_irq_restore+0x1b/0x1b [ 253.170283] [] ubsan_epilogue+0x12/0x53 [ 253.186397] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 253.204782] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 253.225600] [] ? native_cpuid+0x61/0x82 [ 253.241165] [] init_intel+0x316/0x733 [ 253.254947] [] ? early_init_intel+0x832/0x832 [ 253.273183] [] ? start_kernel+0x5c1/0x64b [ 253.288937] [] ? x86_64_start_kernel+0x179/0x19c [ 253.309447] [] ? queued_spin_unlock+0xb/0xd [ 253.325239] [] ? deactivate_slab+0x53d/0x566 [ 253.343043] [] ? __delayacct_tsk_init+0x25/0xd6 [ 253.361944] [] ? strcmp+0x55/0x7d [ 253.377001] [] ? native_cpuid+0x61/0x82 [ 253.392561] [] ? early_init_intel+0x832/0x832 [ 253.419175] [] identify_cpu+0xa58/0x1040 [ 253.435473] [] ? get_cpu_cap+0x9e3/0x9e3 [ 253.455363] [] ? kasan_poison_shadow+0x2f/0x31 [ 253.470942] [] ? kasan_unpoison_shadow+0x14/0x35 [ 253.500313] [] ? kasan_kmalloc+0x94/0xa3 [ 253.519416] [] ? kasan_slab_alloc+0x12/0x14 [ 253.535208] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 253.549641] [] ? __delayacct_tsk_init+0x25/0xd6 [ 253.568015] [] ? __delayacct_tsk_init+0x25/0xd6 [ 253.585648] [] identify_boot_cpu+0x13/0xbc [ 253.601883] [] check_bugs+0xe/0x51 [ 253.619991] [] start_kernel+0x5c6/0x64b [ 253.637510] [] ? thread_stack_cache_init+0xb/0xb [ 253.656294] [] ? cmdline_find_option_bool+0x131/0x146 [ 253.676509] [] ? early_idt_handler_array+0x120/0x120 [ 253.694965] [] x86_64_start_reservations+0x24/0x26 [ 253.712755] [] x86_64_start_kernel+0x179/0x19c [ 253.729527] ================================================================================ [ 253.755596] ================================================================================ [ 253.779958] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 253.802615] load of misaligned address ffffffffb77ce744 for type 'volatile const long unsigned int' [ 253.826524] which requires 8 byte alignment [ 256.461532] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 256.479763] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 256.505536] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 256.527875] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 256.550257] 0000000000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 256.572820] Call Trace: [ 256.578984] [] dump_stack+0xd7/0x132 [ 256.594112] [] ? arch_local_irq_restore+0x1b/0x1b [ 256.614546] [] ubsan_epilogue+0x12/0x53 [ 256.642026] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 256.660386] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 256.678972] [] ? native_cpuid+0x61/0x82 [ 256.694167] [] init_intel+0x3d5/0x733 [ 256.707480] [] ? early_init_intel+0x832/0x832 [ 256.725138] [] ? start_kernel+0x5c1/0x64b [ 256.741581] [] ? x86_64_start_kernel+0x179/0x19c [ 256.759466] [] ? queued_spin_unlock+0xb/0xd [ 256.775394] [] ? deactivate_slab+0x53d/0x566 [ 256.794290] [] ? __delayacct_tsk_init+0x25/0xd6 [ 256.809953] [] ? strcmp+0x55/0x7d [ 256.827014] [] ? native_cpuid+0x61/0x82 [ 256.845044] [] ? early_init_intel+0x832/0x832 [ 256.861009] [] identify_cpu+0xa58/0x1040 [ 256.877382] [] ? get_cpu_cap+0x9e3/0x9e3 [ 256.898178] [] ? kasan_poison_shadow+0x2f/0x31 [ 256.915515] [] ? kasan_unpoison_shadow+0x14/0x35 [ 256.930339] [] ? kasan_kmalloc+0x94/0xa3 [ 256.945592] [] ? kasan_slab_alloc+0x12/0x14 [ 256.961130] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 256.981560] [] ? __delayacct_tsk_init+0x25/0xd6 [ 257.000855] [] ? __delayacct_tsk_init+0x25/0xd6 [ 257.021694] [] identify_boot_cpu+0x13/0xbc [ 257.039719] [] check_bugs+0xe/0x51 [ 257.055260] [] start_kernel+0x5c6/0x64b [ 257.069422] [] ? thread_stack_cache_init+0xb/0xb [ 257.086661] [] ? cmdline_find_option_bool+0x131/0x146 [ 257.107516] [] ? early_idt_handler_array+0x120/0x120 [ 257.125354] [] x86_64_start_reservations+0x24/0x26 [ 257.144051] [] x86_64_start_kernel+0x179/0x19c [ 257.161782] ================================================================================ [ 257.187772] ================================================================================ [ 257.209932] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 257.227942] load of misaligned address ffffffffb77ce744 for type 'volatile const long unsigned int' [ 257.252384] which requires 8 byte alignment [ 257.265719] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 257.283400] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 257.308014] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 257.329944] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 257.356848] 0000000000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 257.377143] Call Trace: [ 257.383367] [] dump_stack+0xd7/0x132 [ 257.399817] [] ? arch_local_irq_restore+0x1b/0x1b [ 257.417809] [] ubsan_epilogue+0x12/0x53 [ 257.433777] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 257.453040] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 257.472492] [] init_intel+0x5d9/0x733 [ 257.484733] [] ? early_init_intel+0x832/0x832 [ 257.502592] [] ? start_kernel+0x5c1/0x64b [ 257.518381] [] ? x86_64_start_kernel+0x179/0x19c [ 257.536176] [] ? queued_spin_unlock+0xb/0xd [ 257.550097] [] ? deactivate_slab+0x53d/0x566 [ 257.567588] [] ? __delayacct_tsk_init+0x25/0xd6 [ 257.586832] [] ? strcmp+0x55/0x7d [ 257.600404] [] ? native_cpuid+0x61/0x82 [ 257.616686] [] ? early_init_intel+0x832/0x832 [ 257.636875] [] identify_cpu+0xa58/0x1040 [ 257.652998] [] ? get_cpu_cap+0x9e3/0x9e3 [ 257.667267] [] ? kasan_poison_shadow+0x2f/0x31 [ 257.688837] [] ? kasan_unpoison_shadow+0x14/0x35 [ 257.705504] [] ? kasan_kmalloc+0x94/0xa3 [ 257.722372] [] ? kasan_slab_alloc+0x12/0x14 [ 257.740287] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 257.757565] [] ? __delayacct_tsk_init+0x25/0xd6 [ 257.776773] [] ? __delayacct_tsk_init+0x25/0xd6 [ 257.792824] [] identify_boot_cpu+0x13/0xbc [ 257.808231] [] check_bugs+0xe/0x51 [ 257.823501] [] start_kernel+0x5c6/0x64b [ 257.841629] [] ? thread_stack_cache_init+0xb/0xb [ 257.859466] [] ? cmdline_find_option_bool+0x131/0x146 [ 257.882832] [] ? early_idt_handler_array+0x120/0x120 [ 257.903574] [] x86_64_start_reservations+0x24/0x26 [ 257.922628] [] x86_64_start_kernel+0x179/0x19c [ 257.938886] ================================================================================ [ 257.961029] ================================================================================ [ 257.984016] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 258.004355] load of misaligned address ffffffffb77ce74c for type 'volatile const long unsigned int' [ 258.032889] which requires 8 byte alignment [ 258.044381] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 258.062437] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 258.089629] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b00 ffffffffb26ec5cc [ 258.110897] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 258.137542] 0000000000000010 ffffffffb3c07b28 ffffffffb3c07ad8 ffffffffb363c3e0 [ 258.158146] Call Trace: [ 258.165961] [] dump_stack+0xd7/0x132 [ 258.179883] [] ? arch_local_irq_restore+0x1b/0x1b [ 258.200365] [] ubsan_epilogue+0x12/0x53 [ 258.216072] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 258.232879] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 258.252420] [] init_intel+0x6d0/0x733 [ 258.266219] [] ? early_init_intel+0x832/0x832 [ 258.284868] [] ? start_kernel+0x5c1/0x64b [ 258.300917] [] ? x86_64_start_kernel+0x179/0x19c [ 258.318946] [] ? queued_spin_unlock+0xb/0xd [ 258.337665] [] ? deactivate_slab+0x53d/0x566 [ 258.352974] [] ? __delayacct_tsk_init+0x25/0xd6 [ 258.371987] [] ? strcmp+0x55/0x7d [ 258.386799] [] ? native_cpuid+0x61/0x82 [ 258.403455] [] ? early_init_intel+0x832/0x832 [ 258.420508] [] identify_cpu+0xa58/0x1040 [ 258.434405] [] ? get_cpu_cap+0x9e3/0x9e3 [ 258.449055] [] ? kasan_poison_shadow+0x2f/0x31 [ 258.468693] [] ? kasan_unpoison_shadow+0x14/0x35 [ 258.488580] [] ? kasan_kmalloc+0x94/0xa3 [ 258.503747] [] ? kasan_slab_alloc+0x12/0x14 [ 258.520877] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 258.537643] [] ? __delayacct_tsk_init+0x25/0xd6 [ 258.556876] [] ? __delayacct_tsk_init+0x25/0xd6 [ 258.575251] [] identify_boot_cpu+0x13/0xbc [ 258.594239] [] check_bugs+0xe/0x51 [ 258.608412] [] start_kernel+0x5c6/0x64b [ 258.625418] [] ? thread_stack_cache_init+0xb/0xb [ 258.644067] [] ? cmdline_find_option_bool+0x131/0x146 [ 258.660494] [] ? early_idt_handler_array+0x120/0x120 [ 258.681944] [] x86_64_start_reservations+0x24/0x26 [ 258.698348] [] x86_64_start_kernel+0x179/0x19c [ 258.716147] ================================================================================ [ 258.742024] ================================================================================ [ 258.765143] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 258.786061] load of misaligned address ffffffffb77ce754 for type 'volatile const long unsigned int' [ 258.809664] which requires 8 byte alignment [ 258.823124] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 258.842651] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 258.887337] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c60 ffffffffb26ec5cc [ 258.911891] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 258.940786] ffffffff00000010 ffffffffb3c07c88 ffffffffb3c07c38 ffffffffb363c3e0 [ 258.960471] Call Trace: [ 258.966907] [] dump_stack+0xd7/0x132 [ 258.980398] [] ? arch_local_irq_restore+0x1b/0x1b [ 258.998931] [] ubsan_epilogue+0x12/0x53 [ 259.013323] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 259.030533] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 259.054194] [] ? native_cpuid+0x61/0x82 [ 259.069299] [] ? early_init_intel+0x832/0x832 [ 259.087469] [] identify_cpu+0xa75/0x1040 [ 259.101638] [] ? get_cpu_cap+0x9e3/0x9e3 [ 259.119481] [] ? kasan_poison_shadow+0x2f/0x31 [ 259.138476] [] ? kasan_unpoison_shadow+0x14/0x35 [ 259.158785] [] ? kasan_kmalloc+0x94/0xa3 [ 259.173232] [] ? kasan_slab_alloc+0x12/0x14 [ 259.192993] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 259.210457] [] ? __delayacct_tsk_init+0x25/0xd6 [ 259.228418] [] ? __delayacct_tsk_init+0x25/0xd6 [ 259.247512] [] identify_boot_cpu+0x13/0xbc [ 259.262431] [] check_bugs+0xe/0x51 [ 259.279220] [] start_kernel+0x5c6/0x64b [ 259.296381] [] ? thread_stack_cache_init+0xb/0xb [ 259.314333] [] ? cmdline_find_option_bool+0x131/0x146 [ 259.330674] [] ? early_idt_handler_array+0x120/0x120 [ 259.355516] [] x86_64_start_reservations+0x24/0x26 [ 259.374739] [] x86_64_start_kernel+0x179/0x19c [ 259.394982] ================================================================================ [ 259.421869] ================================================================================ [ 259.444717] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 259.472674] load of misaligned address ffffffffb77ce754 for type 'volatile const long unsigned int' [ 259.497328] which requires 8 byte alignment [ 259.511550] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 259.528933] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 259.560607] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c60 ffffffffb26ec5cc [ 259.579505] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 259.604898] 0000000000000010 ffffffffb3c07c88 ffffffffb3c07c38 ffffffffb363c3e0 [ 259.628585] Call Trace: [ 259.638913] [] dump_stack+0xd7/0x132 [ 259.653021] [] ? arch_local_irq_restore+0x1b/0x1b [ 259.672412] [] ubsan_epilogue+0x12/0x53 [ 259.687797] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 259.703753] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 259.726058] [] ? native_cpuid+0x61/0x82 [ 259.741484] [] ? early_init_intel+0x832/0x832 [ 259.759609] [] identify_cpu+0xac1/0x1040 [ 259.775901] [] ? get_cpu_cap+0x9e3/0x9e3 [ 259.791940] [] ? kasan_poison_shadow+0x2f/0x31 [ 259.809379] [] ? kasan_unpoison_shadow+0x14/0x35 [ 259.825160] [] ? kasan_kmalloc+0x94/0xa3 [ 259.843163] [] ? kasan_slab_alloc+0x12/0x14 [ 259.858385] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 259.876765] [] ? __delayacct_tsk_init+0x25/0xd6 [ 259.900166] [] ? __delayacct_tsk_init+0x25/0xd6 [ 259.917523] [] identify_boot_cpu+0x13/0xbc [ 259.931272] [] check_bugs+0xe/0x51 [ 259.947416] [] start_kernel+0x5c6/0x64b [ 259.964251] [] ? thread_stack_cache_init+0xb/0xb [ 259.980902] [] ? cmdline_find_option_bool+0x131/0x146 [ 260.000527] [] ? early_idt_handler_array+0x120/0x120 [ 260.020980] [] x86_64_start_reservations+0x24/0x26 [ 260.041455] [] x86_64_start_kernel+0x179/0x19c [ 260.062312] ================================================================================ [ 260.085280] ================================================================================ [ 260.109833] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 260.134033] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 260.160853] which requires 8 byte alignment [ 260.172724] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 260.190151] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 260.217282] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07af8 ffffffffb26ec5cc [ 260.238534] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 260.265006] fa7ff19900000010 ffffffffb3c07b20 ffffffffb3c07ad0 ffffffffb363c3e0 [ 260.288330] Call Trace: [ 260.297329] [] dump_stack+0xd7/0x132 [ 260.316174] [] ? arch_local_irq_restore+0x1b/0x1b [ 260.335748] [] ubsan_epilogue+0x12/0x53 [ 260.357705] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 260.376679] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 260.396000] [] ? __native_queued_spin_unlock+0x76/0xaa [ 260.415534] [] detect_ht+0xbb/0x669 [ 260.431025] [] ? default_init+0xb/0xb [ 260.459294] [] ? native_restore_fl+0x6/0x8 [ 260.478635] [] ? arch_local_irq_restore+0xb/0xd [ 260.504169] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 260.524434] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 260.544723] [] ? filter_cpuid_features+0x58/0x24b [ 260.564262] [] ? early_init_intel+0x832/0x832 [ 260.581027] [] identify_cpu+0xb86/0x1040 [ 260.597555] [] ? get_cpu_cap+0x9e3/0x9e3 [ 260.610379] [] ? kasan_poison_shadow+0x2f/0x31 [ 260.631303] [] ? kasan_unpoison_shadow+0x14/0x35 [ 260.648916] [] ? kasan_kmalloc+0x94/0xa3 [ 260.666897] [] ? kasan_slab_alloc+0x12/0x14 [ 260.686970] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 260.706441] [] ? __delayacct_tsk_init+0x25/0xd6 [ 260.722252] [] ? __delayacct_tsk_init+0x25/0xd6 [ 260.738981] [] identify_boot_cpu+0x13/0xbc [ 260.754810] [] check_bugs+0xe/0x51 [ 260.769090] [] start_kernel+0x5c6/0x64b [ 260.788539] [] ? thread_stack_cache_init+0xb/0xb [ 260.810413] [] ? cmdline_find_option_bool+0x131/0x146 [ 260.827969] [] ? early_idt_handler_array+0x120/0x120 [ 260.853768] [] x86_64_start_reservations+0x24/0x26 [ 260.874784] [] x86_64_start_kernel+0x179/0x19c [ 260.893819] ================================================================================ [ 260.918734] ================================================================================ [ 260.941451] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 260.966679] load of misaligned address ffffffffb77ce74c for type 'volatile const long unsigned int' [ 260.991525] which requires 8 byte alignment [ 261.006054] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 261.023007] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 261.054432] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07af8 ffffffffb26ec5cc [ 261.075793] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 261.101475] 0000000000000010 ffffffffb3c07b20 ffffffffb3c07ad0 ffffffffb363c3e0 [ 261.122107] Call Trace: [ 261.134574] [] dump_stack+0xd7/0x132 [ 261.146782] [] ? arch_local_irq_restore+0x1b/0x1b [ 261.165616] [] ubsan_epilogue+0x12/0x53 [ 261.180914] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 261.199655] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 261.231522] [] ? __native_queued_spin_unlock+0x76/0xaa [ 261.254402] [] detect_ht+0xef/0x669 [ 261.274035] [] ? default_init+0xb/0xb [ 261.290048] [] ? native_restore_fl+0x6/0x8 [ 261.312258] [] ? arch_local_irq_restore+0xb/0xd [ 261.330045] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 261.349831] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 261.375491] [] ? filter_cpuid_features+0x58/0x24b [ 261.392688] [] ? early_init_intel+0x832/0x832 [ 261.407917] [] identify_cpu+0xb86/0x1040 [ 261.425462] [] ? get_cpu_cap+0x9e3/0x9e3 [ 261.447543] [] ? kasan_poison_shadow+0x2f/0x31 [ 261.466225] [] ? kasan_unpoison_shadow+0x14/0x35 [ 261.483333] [] ? kasan_kmalloc+0x94/0xa3 [ 261.499811] [] ? kasan_slab_alloc+0x12/0x14 [ 261.521518] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 261.539406] [] ? __delayacct_tsk_init+0x25/0xd6 [ 261.558999] [] ? __delayacct_tsk_init+0x25/0xd6 [ 261.578305] [] identify_boot_cpu+0x13/0xbc [ 261.598056] [] check_bugs+0xe/0x51 [ 261.614255] [] start_kernel+0x5c6/0x64b [ 261.628335] [] ? thread_stack_cache_init+0xb/0xb [ 261.654503] [] ? cmdline_find_option_bool+0x131/0x146 [ 261.677112] [] ? early_idt_handler_array+0x120/0x120 [ 261.697029] [] x86_64_start_reservations+0x24/0x26 [ 261.722147] [] x86_64_start_kernel+0x179/0x19c [ 261.738729] ================================================================================ [ 261.762305] ================================================================================ [ 261.793881] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 261.811431] load of misaligned address ffffffffb77ce73c for type 'volatile const long unsigned int' [ 261.847524] which requires 8 byte alignment [ 261.862916] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 261.884167] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 261.919064] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07af8 ffffffffb26ec5cc [ 261.952445] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 261.991605] 0000000000000010 ffffffffb3c07b20 ffffffffb3c07ad0 ffffffffb363c3e0 [ 262.023624] Call Trace: [ 262.039819] [] dump_stack+0xd7/0x132 [ 262.067630] [] ? arch_local_irq_restore+0x1b/0x1b [ 262.098605] [] ubsan_epilogue+0x12/0x53 [ 262.125906] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 262.157182] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 262.241698] [] ? __native_queued_spin_unlock+0x76/0xaa [ 262.330640] [] detect_ht+0x121/0x669 [ 262.354982] [] ? default_init+0xb/0xb [ 262.379649] [] ? native_restore_fl+0x6/0x8 [ 262.430560] [] ? arch_local_irq_restore+0xb/0xd [ 262.474747] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 262.503448] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 262.529457] [] ? filter_cpuid_features+0x58/0x24b [ 262.557102] [] ? early_init_intel+0x832/0x832 [ 262.594069] [] identify_cpu+0xb86/0x1040 [ 262.612618] [] ? get_cpu_cap+0x9e3/0x9e3 [ 262.645440] [] ? kasan_poison_shadow+0x2f/0x31 [ 262.671299] [] ? kasan_unpoison_shadow+0x14/0x35 [ 262.690769] [] ? kasan_kmalloc+0x94/0xa3 [ 262.728920] [] ? kasan_slab_alloc+0x12/0x14 [ 262.757815] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 262.773930] [] ? __delayacct_tsk_init+0x25/0xd6 [ 262.801688] [] ? __delayacct_tsk_init+0x25/0xd6 [ 262.819826] [] identify_boot_cpu+0x13/0xbc [ 262.839292] [] check_bugs+0xe/0x51 [ 262.853504] [] start_kernel+0x5c6/0x64b [ 262.871162] [] ? thread_stack_cache_init+0xb/0xb [ 262.891120] [] ? cmdline_find_option_bool+0x131/0x146 [ 262.907557] [] ? early_idt_handler_array+0x120/0x120 [ 262.928736] [] x86_64_start_reservations+0x24/0x26 [ 262.946970] [] x86_64_start_kernel+0x179/0x19c [ 262.966748] ================================================================================ [ 262.994447] CPU: Physical Processor ID: 0 [ 263.005205] CPU: Processor Core ID: 0 [ 263.018086] ================================================================================ [ 263.044403] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 263.065421] load of misaligned address ffffffffb77ce744 for type 'volatile const long unsigned int' [ 263.095275] which requires 8 byte alignment [ 263.107804] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 263.122675] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 263.151396] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c38 ffffffffb26ec5cc [ 263.175330] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 263.194900] 0000000000000010 ffffffffb3c07c60 ffffffffb3c07c10 ffffffffb363c3e0 [ 263.215976] Call Trace: [ 263.222075] [] dump_stack+0xd7/0x132 [ 263.240127] [] ? arch_local_irq_restore+0x1b/0x1b [ 263.260663] [] ubsan_epilogue+0x12/0x53 [ 263.273583] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 263.293163] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 263.314291] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 263.335771] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 263.355102] [] x86_init_rdrand+0x34/0xe1 [ 263.371291] [] ? early_init_intel+0x832/0x832 [ 263.389892] [] identify_cpu+0xb96/0x1040 [ 263.405104] [] ? get_cpu_cap+0x9e3/0x9e3 [ 263.425359] [] ? kasan_poison_shadow+0x2f/0x31 [ 263.444103] [] ? kasan_unpoison_shadow+0x14/0x35 [ 263.461795] [] ? kasan_kmalloc+0x94/0xa3 [ 263.476717] [] ? kasan_slab_alloc+0x12/0x14 [ 263.493189] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 263.512644] [] ? __delayacct_tsk_init+0x25/0xd6 [ 263.528975] [] ? __delayacct_tsk_init+0x25/0xd6 [ 263.545389] [] identify_boot_cpu+0x13/0xbc [ 263.561872] [] check_bugs+0xe/0x51 [ 263.574503] [] start_kernel+0x5c6/0x64b [ 263.591920] [] ? thread_stack_cache_init+0xb/0xb [ 263.610112] [] ? cmdline_find_option_bool+0x131/0x146 [ 263.629868] [] ? early_idt_handler_array+0x120/0x120 [ 263.647524] [] x86_64_start_reservations+0x24/0x26 [ 263.667296] [] x86_64_start_kernel+0x179/0x19c [ 263.685399] ================================================================================ [ 263.712141] ================================================================================ [ 263.735894] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 263.754394] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 263.779919] which requires 8 byte alignment [ 263.790886] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 263.805814] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 263.840194] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b98 ffffffffb26ec5cc [ 263.862890] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 263.883276] ffffffff00000010 ffffffffb3c07bc0 ffffffffb3c07b70 ffffffffb363c3e0 [ 263.904672] Call Trace: [ 263.912634] [] dump_stack+0xd7/0x132 [ 263.927967] [] ? arch_local_irq_restore+0x1b/0x1b [ 263.943639] [] ubsan_epilogue+0x12/0x53 [ 263.960144] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 263.978704] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 264.002430] [] ? arch_local_irq_restore+0xb/0xd [ 264.018750] [] mce_available+0x63/0xb2 [ 264.036209] [] mcheck_cpu_init+0x11f/0x936 [ 264.052150] [] ? mce_timer_kick+0x4f/0x4f [ 264.065160] [] identify_cpu+0xf84/0x1040 [ 264.083194] [] ? get_cpu_cap+0x9e3/0x9e3 [ 264.096742] [] ? kasan_poison_shadow+0x2f/0x31 [ 264.115793] [] ? kasan_unpoison_shadow+0x14/0x35 [ 264.133415] [] ? kasan_kmalloc+0x94/0xa3 [ 264.151582] [] ? kasan_slab_alloc+0x12/0x14 [ 264.167164] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 264.183414] [] ? __delayacct_tsk_init+0x25/0xd6 [ 264.199040] [] ? __delayacct_tsk_init+0x25/0xd6 [ 264.217090] [] identify_boot_cpu+0x13/0xbc [ 264.234661] [] check_bugs+0xe/0x51 [ 264.247550] [] start_kernel+0x5c6/0x64b [ 264.264384] [] ? thread_stack_cache_init+0xb/0xb [ 264.283937] [] ? cmdline_find_option_bool+0x131/0x146 [ 264.303425] [] ? early_idt_handler_array+0x120/0x120 [ 264.321243] [] x86_64_start_reservations+0x24/0x26 [ 264.340002] [] x86_64_start_kernel+0x179/0x19c [ 264.354774] ================================================================================ [ 264.377653] ================================================================================ [ 264.400218] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 264.420547] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 264.444482] which requires 8 byte alignment [ 264.456964] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 264.474798] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 264.508149] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07b98 ffffffffb26ec5cc [ 264.529606] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 264.556861] 0000000000000010 ffffffffb3c07bc0 ffffffffb3c07b70 ffffffffb363c3e0 [ 264.579009] Call Trace: [ 264.585220] [] dump_stack+0xd7/0x132 [ 264.602061] [] ? arch_local_irq_restore+0x1b/0x1b [ 264.623559] [] ubsan_epilogue+0x12/0x53 [ 264.640470] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 264.658916] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 264.687483] [] ? arch_local_irq_restore+0xb/0xd [ 264.704491] [] mce_available+0x92/0xb2 [ 264.722157] [] mcheck_cpu_init+0x11f/0x936 [ 264.739555] [] ? mce_timer_kick+0x4f/0x4f [ 264.754280] [] identify_cpu+0xf84/0x1040 [ 264.769175] [] ? get_cpu_cap+0x9e3/0x9e3 [ 264.790393] [] ? kasan_poison_shadow+0x2f/0x31 [ 264.805111] [] ? kasan_unpoison_shadow+0x14/0x35 [ 264.822426] [] ? kasan_kmalloc+0x94/0xa3 [ 264.837518] [] ? kasan_slab_alloc+0x12/0x14 [ 264.854965] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 264.876015] [] ? __delayacct_tsk_init+0x25/0xd6 [ 264.895363] [] ? __delayacct_tsk_init+0x25/0xd6 [ 264.918444] [] identify_boot_cpu+0x13/0xbc [ 264.935311] [] check_bugs+0xe/0x51 [ 264.951527] [] start_kernel+0x5c6/0x64b [ 264.964587] [] ? thread_stack_cache_init+0xb/0xb [ 264.984022] [] ? cmdline_find_option_bool+0x131/0x146 [ 265.003805] [] ? early_idt_handler_array+0x120/0x120 [ 265.021872] [] x86_64_start_reservations+0x24/0x26 [ 265.041530] [] x86_64_start_kernel+0x179/0x19c [ 265.065033] ================================================================================ [ 265.091979] mce: CPU supports 10 MCE banks [ 265.103236] ================================================================================ [ 265.130181] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 265.159696] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 265.192568] which requires 8 byte alignment [ 265.205294] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 265.225939] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 265.260400] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07a68 ffffffffb26ec5cc [ 265.285934] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 265.312881] fa7ff19900000010 ffffffffb3c07a90 ffffffffb3c07a40 ffffffffb363c3e0 [ 265.344420] Call Trace: [ 265.355576] [] dump_stack+0xd7/0x132 [ 265.379452] [] ? arch_local_irq_restore+0x1b/0x1b [ 265.403606] [] ubsan_epilogue+0x12/0x53 [ 265.423143] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 265.445128] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 265.474026] [] intel_init_thermal+0xa3/0x637 [ 265.499999] [] ? mce_inject_log+0x35/0x35 [ 265.521397] [] ? smp_trace_thermal_interrupt+0x217/0x217 [ 265.543824] [] mce_intel_feature_init+0x6b/0x15e [ 265.572817] [] ? cmci_disable_bank+0xd8/0xd8 [ 265.595826] [] ? __mcheck_cpu_init_generic+0xe2/0x111 [ 265.624843] [] ? machine_check_poll+0x412/0x412 [ 265.647429] [] __mcheck_cpu_init_vendor+0x53/0x179 [ 265.682654] [] mcheck_cpu_init+0x918/0x936 [ 265.703155] [] ? mce_timer_kick+0x4f/0x4f [ 265.726155] [] identify_cpu+0xf84/0x1040 [ 265.752668] [] ? get_cpu_cap+0x9e3/0x9e3 [ 265.775654] [] ? kasan_poison_shadow+0x2f/0x31 [ 265.798126] [] ? kasan_unpoison_shadow+0x14/0x35 [ 265.819391] [] ? kasan_kmalloc+0x94/0xa3 [ 265.839610] [] ? kasan_slab_alloc+0x12/0x14 [ 265.860488] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 265.881861] [] ? __delayacct_tsk_init+0x25/0xd6 [ 265.909296] [] ? __delayacct_tsk_init+0x25/0xd6 [ 265.933581] [] identify_boot_cpu+0x13/0xbc [ 265.956344] [] check_bugs+0xe/0x51 [ 265.974502] [] start_kernel+0x5c6/0x64b [ 266.004777] [] ? thread_stack_cache_init+0xb/0xb [ 266.031730] [] ? cmdline_find_option_bool+0x131/0x146 [ 266.070370] [] ? early_idt_handler_array+0x120/0x120 [ 266.106175] [] x86_64_start_reservations+0x24/0x26 [ 266.135880] [] x86_64_start_kernel+0x179/0x19c [ 266.162530] ================================================================================ [ 266.201541] ================================================================================ [ 266.228671] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 266.254652] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 266.288843] which requires 8 byte alignment [ 266.303203] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 266.329088] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 266.363173] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07a68 ffffffffb26ec5cc [ 266.395199] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 266.421610] 0000000000000010 ffffffffb3c07a90 ffffffffb3c07a40 ffffffffb363c3e0 [ 266.455969] Call Trace: [ 266.464801] [] dump_stack+0xd7/0x132 [ 266.483364] [] ? arch_local_irq_restore+0x1b/0x1b [ 266.506756] [] ubsan_epilogue+0x12/0x53 [ 266.532186] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 266.556785] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 266.581127] [] intel_init_thermal+0xe8/0x637 [ 266.603904] [] ? mce_inject_log+0x35/0x35 [ 266.629612] [] ? smp_trace_thermal_interrupt+0x217/0x217 [ 266.664429] [] mce_intel_feature_init+0x6b/0x15e [ 266.687307] [] ? cmci_disable_bank+0xd8/0xd8 [ 266.707617] [] ? __mcheck_cpu_init_generic+0xe2/0x111 [ 266.730851] [] ? machine_check_poll+0x412/0x412 [ 266.755864] [] __mcheck_cpu_init_vendor+0x53/0x179 [ 266.780181] [] mcheck_cpu_init+0x918/0x936 [ 266.796732] [] ? mce_timer_kick+0x4f/0x4f [ 266.818427] [] identify_cpu+0xf84/0x1040 [ 266.837796] [] ? get_cpu_cap+0x9e3/0x9e3 [ 266.867366] [] ? kasan_poison_shadow+0x2f/0x31 [ 266.890646] [] ? kasan_unpoison_shadow+0x14/0x35 [ 266.910157] [] ? kasan_kmalloc+0x94/0xa3 [ 266.928248] [] ? kasan_slab_alloc+0x12/0x14 [ 266.947403] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 266.975773] [] ? __delayacct_tsk_init+0x25/0xd6 [ 266.998965] [] ? __delayacct_tsk_init+0x25/0xd6 [ 267.022560] [] identify_boot_cpu+0x13/0xbc [ 267.045499] [] check_bugs+0xe/0x51 [ 267.064636] [] start_kernel+0x5c6/0x64b [ 267.099443] [] ? thread_stack_cache_init+0xb/0xb [ 267.122416] [] ? cmdline_find_option_bool+0x131/0x146 [ 267.146321] [] ? early_idt_handler_array+0x120/0x120 [ 267.168984] [] x86_64_start_reservations+0x24/0x26 [ 267.190852] [] x86_64_start_kernel+0x179/0x19c [ 267.215816] ================================================================================ [ 267.245576] ================================================================================ [ 267.274567] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 267.299394] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 267.333125] which requires 8 byte alignment [ 267.344874] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 267.361746] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 267.391641] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07ae8 ffffffffb26ec5cc [ 267.412805] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 267.436551] ffffffff00000010 ffffffffb3c07b10 ffffffffb3c07ac0 ffffffffb363c3e0 [ 267.464570] Call Trace: [ 267.472892] [] dump_stack+0xd7/0x132 [ 267.499031] [] ? arch_local_irq_restore+0x1b/0x1b [ 267.525905] [] ubsan_epilogue+0x12/0x53 [ 267.541669] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 267.567089] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 267.591615] [] ? smp_trace_thermal_interrupt+0x217/0x217 [ 267.616030] [] cmci_supported+0x77/0xfb [ 267.635409] [] mce_intel_feature_init+0x74/0x15e [ 267.660364] [] ? cmci_disable_bank+0xd8/0xd8 [ 267.681653] [] ? __mcheck_cpu_init_generic+0xe2/0x111 [ 267.706911] [] ? machine_check_poll+0x412/0x412 [ 267.730490] [] __mcheck_cpu_init_vendor+0x53/0x179 [ 267.753043] [] mcheck_cpu_init+0x918/0x936 [ 267.771938] [] ? mce_timer_kick+0x4f/0x4f [ 267.794302] [] identify_cpu+0xf84/0x1040 [ 267.813077] [] ? get_cpu_cap+0x9e3/0x9e3 [ 267.833469] [] ? kasan_poison_shadow+0x2f/0x31 [ 267.855302] [] ? kasan_unpoison_shadow+0x14/0x35 [ 267.876838] [] ? kasan_kmalloc+0x94/0xa3 [ 267.895619] [] ? kasan_slab_alloc+0x12/0x14 [ 267.919899] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 267.941923] [] ? __delayacct_tsk_init+0x25/0xd6 [ 267.961746] [] ? __delayacct_tsk_init+0x25/0xd6 [ 267.983329] [] identify_boot_cpu+0x13/0xbc [ 268.001578] [] check_bugs+0xe/0x51 [ 268.016582] [] start_kernel+0x5c6/0x64b [ 268.035361] [] ? thread_stack_cache_init+0xb/0xb [ 268.057027] [] ? cmdline_find_option_bool+0x131/0x146 [ 268.078897] [] ? early_idt_handler_array+0x120/0x120 [ 268.101602] [] x86_64_start_reservations+0x24/0x26 [ 268.124210] [] x86_64_start_kernel+0x179/0x19c [ 268.145346] ================================================================================ [ 268.175703] ================================================================================ [ 268.205837] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 268.239091] load of misaligned address ffffffffb77ce77c for type 'volatile const long unsigned int' [ 268.271776] which requires 8 byte alignment [ 268.286678] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 268.305863] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 268.339782] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c38 ffffffffb26ec5cc [ 268.366915] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 268.391888] ffff880000000010 ffffffffb3c07c60 ffffffffb3c07c10 ffffffffb363c3e0 [ 268.417493] Call Trace: [ 268.424629] [] dump_stack+0xd7/0x132 [ 268.442836] [] ? arch_local_irq_restore+0x1b/0x1b [ 268.467246] [] ubsan_epilogue+0x12/0x53 [ 268.484127] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 268.509138] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 268.533390] [] ? mce_timer_kick+0x4f/0x4f [ 268.555909] [] select_idle_routine+0xb2/0x166 [ 268.573931] [] identify_cpu+0xf8c/0x1040 [ 268.600364] [] ? get_cpu_cap+0x9e3/0x9e3 [ 268.626192] [] ? kasan_poison_shadow+0x2f/0x31 [ 268.645231] [] ? kasan_unpoison_shadow+0x14/0x35 [ 268.671197] [] ? kasan_kmalloc+0x94/0xa3 [ 268.691331] [] ? kasan_slab_alloc+0x12/0x14 [ 268.714489] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 268.739381] [] ? __delayacct_tsk_init+0x25/0xd6 [ 268.760522] [] ? __delayacct_tsk_init+0x25/0xd6 [ 268.790002] [] identify_boot_cpu+0x13/0xbc [ 268.809770] [] check_bugs+0xe/0x51 [ 268.826676] [] start_kernel+0x5c6/0x64b [ 268.843615] [] ? thread_stack_cache_init+0xb/0xb [ 268.863605] [] ? cmdline_find_option_bool+0x131/0x146 [ 268.888216] [] ? early_idt_handler_array+0x120/0x120 [ 268.907293] [] x86_64_start_reservations+0x24/0x26 [ 268.945333] [] x86_64_start_kernel+0x179/0x19c [ 268.969416] ================================================================================ [ 268.998497] ================================================================================ [ 269.028574] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 269.054813] load of misaligned address ffffffffb77ce744 for type 'volatile const long unsigned int' [ 269.086202] which requires 8 byte alignment [ 269.110443] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 269.125568] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 269.160459] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c38 ffffffffb26ec5cc [ 269.184402] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 269.209222] 0000000000000010 ffffffffb3c07c60 ffffffffb3c07c10 ffffffffb363c3e0 [ 269.235173] Call Trace: [ 269.242225] [] dump_stack+0xd7/0x132 [ 269.262602] [] ? arch_local_irq_restore+0x1b/0x1b [ 269.283807] [] ubsan_epilogue+0x12/0x53 [ 269.304139] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 269.324060] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 269.350974] [] ? mce_timer_kick+0x4f/0x4f [ 269.370276] [] select_idle_routine+0x124/0x166 [ 269.394646] [] identify_cpu+0xf8c/0x1040 [ 269.416505] [] ? get_cpu_cap+0x9e3/0x9e3 [ 269.439613] [] ? kasan_poison_shadow+0x2f/0x31 [ 269.463014] [] ? kasan_unpoison_shadow+0x14/0x35 [ 269.487488] [] ? kasan_kmalloc+0x94/0xa3 [ 269.513838] [] ? kasan_slab_alloc+0x12/0x14 [ 269.538908] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 269.561608] [] ? __delayacct_tsk_init+0x25/0xd6 [ 269.585325] [] ? __delayacct_tsk_init+0x25/0xd6 [ 269.607501] [] identify_boot_cpu+0x13/0xbc [ 269.626358] [] check_bugs+0xe/0x51 [ 269.642972] [] start_kernel+0x5c6/0x64b [ 269.663178] [] ? thread_stack_cache_init+0xb/0xb [ 269.688462] [] ? cmdline_find_option_bool+0x131/0x146 [ 269.711400] [] ? early_idt_handler_array+0x120/0x120 [ 269.735476] [] x86_64_start_reservations+0x24/0x26 [ 269.756193] [] x86_64_start_kernel+0x179/0x19c [ 269.781174] ================================================================================ [ 269.815769] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 269.838958] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 269.863239] ================================================================================ [ 269.899524] UBSAN: Undefined behaviour in arch/x86/kernel/alternative.c:408:26 [ 269.925419] load of misaligned address ffffffffb3c07d59 for type 's32' [ 269.947013] which requires 4 byte alignment [ 269.969925] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 269.990971] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 270.023009] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c38 ffffffffb26ec5cc [ 270.051700] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 270.082339] ffffffff00000010 ffffffffb3c07c60 ffffffffb3c07c10 ffffffffb363c3e0 [ 270.119941] Call Trace: [ 270.138502] [] dump_stack+0xd7/0x132 [ 270.171354] [] ? arch_local_irq_restore+0x1b/0x1b [ 270.201047] [] ubsan_epilogue+0x12/0x53 [ 270.218781] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 270.243351] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 270.266871] [] ? memcpy+0x45/0x4c [ 270.285628] [] ? arch_local_irq_restore+0xb/0xd [ 270.306572] [] apply_alternatives+0x523/0x92a [ 270.326390] [] ? __kvm_write_guest_page+0x7f/0xad [ 270.347343] [] ? text_poke_early+0x55/0x55 [ 270.365265] [] ? vprintk_emit+0x636/0x647 [ 270.383872] [] ? vprintk_default+0x65/0x6e [ 270.406490] [] ? cpuid_eax+0xf8/0xf8 [ 270.425163] [] ? printk+0xc2/0xe9 [ 270.442224] [] ? power_down+0x109/0x109 [ 270.463034] [] ? __delayacct_tsk_init+0x25/0xd6 [ 270.484355] [] ? __delayacct_tsk_init+0x25/0xd6 [ 270.514824] [] alternative_instructions+0x1d/0xf8 [ 270.541100] [] check_bugs+0x13/0x51 [ 270.562995] [] start_kernel+0x5c6/0x64b [ 270.587381] [] ? thread_stack_cache_init+0xb/0xb [ 270.614423] [] ? cmdline_find_option_bool+0x131/0x146 [ 270.644929] [] ? early_idt_handler_array+0x120/0x120 [ 270.677470] [] x86_64_start_reservations+0x24/0x26 [ 270.702852] [] x86_64_start_kernel+0x179/0x19c [ 270.730827] ================================================================================ [ 270.780265] ================================================================================ [ 270.810341] UBSAN: Undefined behaviour in arch/x86/kernel/alternative.c:408:26 [ 270.845634] store to misaligned address ffffffffb3c07d59 for type 's32' [ 270.900078] which requires 4 byte alignment [ 270.932260] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 270.962032] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 271.017347] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c38 ffffffffb26ec5cc [ 271.062936] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 271.103138] 0000000000000010 ffffffffb3c07c60 ffffffffb3c07c10 ffffffffb363c3e0 [ 271.146820] Call Trace: [ 271.164635] [] dump_stack+0xd7/0x132 [ 271.195088] [] ? arch_local_irq_restore+0x1b/0x1b [ 271.230859] [] ubsan_epilogue+0x12/0x53 [ 271.262045] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 271.299529] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 271.337007] [] ? memcpy+0x45/0x4c [ 271.360069] [] ? arch_local_irq_restore+0xb/0xd [ 271.381317] [] apply_alternatives+0x563/0x92a [ 271.406331] [] ? __kvm_write_guest_page+0x7f/0xad [ 271.430520] [] ? text_poke_early+0x55/0x55 [ 271.448715] [] ? vprintk_emit+0x636/0x647 [ 271.477432] [] ? vprintk_default+0x65/0x6e [ 271.501385] [] ? cpuid_eax+0xf8/0xf8 [ 271.534293] [] ? printk+0xc2/0xe9 [ 271.554447] [] ? power_down+0x109/0x109 [ 271.572115] [] ? __delayacct_tsk_init+0x25/0xd6 [ 271.590717] [] ? __delayacct_tsk_init+0x25/0xd6 [ 271.610507] [] alternative_instructions+0x1d/0xf8 [ 271.631184] [] check_bugs+0x13/0x51 [ 271.644422] [] start_kernel+0x5c6/0x64b [ 271.663191] [] ? thread_stack_cache_init+0xb/0xb [ 271.685064] [] ? cmdline_find_option_bool+0x131/0x146 [ 271.706167] [] ? early_idt_handler_array+0x120/0x120 [ 271.726283] [] x86_64_start_reservations+0x24/0x26 [ 271.746033] [] x86_64_start_kernel+0x179/0x19c [ 271.766027] ================================================================================ [ 271.796491] ================================================================================ [ 271.823292] UBSAN: Undefined behaviour in arch/x86/kernel/alternative.c:330:22 [ 271.844045] store to misaligned address ffffffffb3c07d59 for type 's32' [ 271.864389] which requires 4 byte alignment [ 271.879417] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 271.897625] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 271.927537] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c38 ffffffffb26ec5cc [ 271.951074] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 271.975910] 0000000000000010 ffffffffb3c07c60 ffffffffb3c07c10 ffffffffb363c3e0 [ 272.004641] Call Trace: [ 272.013361] [] dump_stack+0xd7/0x132 [ 272.032190] [] ? arch_local_irq_restore+0x1b/0x1b [ 272.052587] [] ubsan_epilogue+0x12/0x53 [ 272.083813] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 272.116009] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 272.143282] [] ? memcpy+0x45/0x4c [ 272.161452] [] ? arch_local_irq_restore+0xb/0xd [ 272.192866] [] apply_alternatives+0x729/0x92a [ 272.214950] [] ? kvm_load_guest_fpu+0x71/0x14c [ 272.243703] [] ? text_poke_early+0x55/0x55 [ 272.264685] [] ? vprintk_emit+0x636/0x647 [ 272.287241] [] ? vprintk_default+0x65/0x6e [ 272.312354] [] ? cpuid_eax+0xf8/0xf8 [ 272.328009] [] ? printk+0xc2/0xe9 [ 272.349874] [] ? power_down+0x109/0x109 [ 272.374961] [] ? __delayacct_tsk_init+0x25/0xd6 [ 272.393675] [] ? __delayacct_tsk_init+0x25/0xd6 [ 272.413639] [] alternative_instructions+0x1d/0xf8 [ 272.431792] [] check_bugs+0x13/0x51 [ 272.446874] [] start_kernel+0x5c6/0x64b [ 272.468770] [] ? thread_stack_cache_init+0xb/0xb [ 272.505087] [] ? cmdline_find_option_bool+0x131/0x146 [ 272.532359] [] ? early_idt_handler_array+0x120/0x120 [ 272.549366] [] x86_64_start_reservations+0x24/0x26 [ 272.568396] [] x86_64_start_kernel+0x179/0x19c [ 272.593535] ================================================================================ [ 272.637536] ================================================================================ [ 272.662346] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 272.695905] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 272.726355] which requires 8 byte alignment [ 272.751451] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 272.768592] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 272.810138] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07c18 ffffffffb26ec5cc [ 272.835075] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 272.866182] 0000000000000010 ffffffffb3c07c40 ffffffffb3c07bf0 ffffffffb363c3e0 [ 272.890947] Call Trace: [ 272.901956] [] dump_stack+0xd7/0x132 [ 272.918281] [] ? arch_local_irq_restore+0x1b/0x1b [ 272.939544] [] ubsan_epilogue+0x12/0x53 [ 272.959528] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 272.982001] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 273.010274] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 273.032363] [] change_page_attr_set_clr+0x494/0x7d4 [ 273.052944] [] ? __change_page_attr_set_clr+0x14de/0x14de [ 273.082852] [] ? text_poke_early+0x55/0x55 [ 273.102264] [] ? vprintk_emit+0x636/0x647 [ 273.122540] [] ? vprintk_default+0x65/0x6e [ 273.140849] [] ? cpuid_eax+0xf8/0xf8 [ 273.158462] [] change_page_attr_set+0x44/0x4a [ 273.181059] [] set_memory_nx+0x4d/0x5d [ 273.199332] [] free_init_pages+0x82/0xb0 [ 273.217948] [] alternative_instructions+0xbc/0xf8 [ 273.239916] [] check_bugs+0x13/0x51 [ 273.254008] [] start_kernel+0x5c6/0x64b [ 273.277588] [] ? thread_stack_cache_init+0xb/0xb [ 273.295609] [] ? cmdline_find_option_bool+0x131/0x146 [ 273.316246] [] ? early_idt_handler_array+0x120/0x120 [ 273.335962] [] x86_64_start_reservations+0x24/0x26 [ 273.361117] [] x86_64_start_kernel+0x179/0x19c [ 273.381492] ================================================================================ [ 273.405475] Freeing SMP alternatives memory: 20K (ffffffffb79f5000 - ffffffffb79fa000) [ 273.460707] ftrace: allocating 34291 entries in 134 pages [ 273.908835] ================================================================================ [ 273.935008] UBSAN: Undefined behaviour in fs/super.c:964:16 [ 273.953169] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 273.996786] which requires 64 byte alignment [ 274.008766] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 274.027177] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 274.053179] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07738 ffffffffb26ec5cc [ 274.078128] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 274.105815] ffffffff00000010 ffffffffb3c07760 ffffffffb3c07710 ffffffffb363c3e0 [ 274.129032] Call Trace: [ 274.134916] [] dump_stack+0xd7/0x132 [ 274.150488] [] ? arch_local_irq_restore+0x1b/0x1b [ 274.167792] [] ubsan_epilogue+0x12/0x53 [ 274.184423] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 274.211603] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 274.235202] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 274.257294] [] ? __down_timeout+0x18/0x18 [ 274.274462] [] ns_set_super+0x30/0x51 [ 274.287417] [] sget_userns+0xacd/0xcbc [ 274.304317] [] ? set_anon_super+0x1e/0x1e [ 274.324119] [] ? sb_freeze_unlock+0x57/0x57 [ 274.339807] [] ? get_super_thawed+0x211/0x211 [ 274.358864] [] ? mod_zone_state+0x11e/0x12d [ 274.380258] [] ? proc_get_inode+0x5e6/0x5e6 [ 274.398143] [] mount_ns+0x54/0x18b [ 274.413226] [] proc_mount+0x8c/0x95 [ 274.428641] [] mount_fs+0xd0/0x2ca [ 274.448608] [] vfs_kern_mount+0xa0/0x20a [ 274.463989] [] kern_mount_data+0x4b/0x9a [ 274.486175] [] pid_ns_prepare_proc+0x23/0x77 [ 274.500845] [] alloc_pid+0x79d/0xc7c [ 274.517697] [] ? __change_pid+0x2b3/0x2b3 [ 274.535584] [] ? test_ti_thread_flag+0x13/0x13 [ 274.556718] [] ? autogroup_task_get+0x123/0x15a [ 274.577144] [] ? memset+0x31/0x38 [ 274.592138] [] ? copy_thread_tls+0x416/0x77e [ 274.612813] [] copy_process.part.18+0x3287/0x4ef0 [ 274.631388] [] ? kasan_kmalloc+0x94/0xa3 [ 274.651434] [] ? rest_init+0x8f/0x8f [ 274.666327] [] ? x86_64_start_kernel+0x179/0x19c [ 274.688192] [] ? __cleanup_sighand+0x3b/0x3b [ 274.707886] [] ? __asan_loadN+0xf/0x11 [ 274.731857] [] ? pvclock_clocksource_read+0x10d/0x171 [ 274.751069] [] ? kvm_sched_clock_read+0x9/0x12 [ 274.769318] [] ? rest_init+0x8f/0x8f [ 274.785485] [] _do_fork+0x1e9/0x61e [ 274.798978] [] ? rest_init+0x8f/0x8f [ 274.820542] [] ? fork_idle+0x1a2/0x1a2 [ 274.840794] [] ? find_next_bit+0x3e/0x48 [ 274.855855] [] ? cpumask_next+0x35/0x3a [ 274.872318] [] ? rest_init+0x8f/0x8f [ 274.886055] [] kernel_thread+0x39/0x40 [ 274.901602] [] rest_init+0x27/0x8f [ 274.916676] [] start_kernel+0x618/0x64b [ 274.935651] [] ? thread_stack_cache_init+0xb/0xb [ 274.961909] [] ? cmdline_find_option_bool+0x131/0x146 [ 274.979639] [] ? early_idt_handler_array+0x120/0x120 [ 275.000147] [] x86_64_start_reservations+0x24/0x26 [ 275.026439] [] x86_64_start_kernel+0x179/0x19c [ 275.043358] ================================================================================ [ 275.069010] ================================================================================ [ 275.097345] UBSAN: Undefined behaviour in fs/super.c:985:9 [ 275.114496] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 275.141536] which requires 64 byte alignment [ 275.155095] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 275.169463] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 275.199735] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07880 ffffffffb26ec5cc [ 275.221909] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 275.245509] ffffffff00000010 ffffffffb3c078a8 ffffffffb3c07858 ffffffffb363c3e0 [ 275.272774] Call Trace: [ 275.279681] [] dump_stack+0xd7/0x132 [ 275.295007] [] ? arch_local_irq_restore+0x1b/0x1b [ 275.320381] [] ubsan_epilogue+0x12/0x53 [ 275.338884] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 275.358880] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 275.385159] [] ? proc_get_inode+0x5e6/0x5e6 [ 275.403666] [] mount_ns+0xa5/0x18b [ 275.417792] [] proc_mount+0x8c/0x95 [ 275.434566] [] mount_fs+0xd0/0x2ca [ 275.455245] [] vfs_kern_mount+0xa0/0x20a [ 275.470997] [] kern_mount_data+0x4b/0x9a [ 275.486727] [] pid_ns_prepare_proc+0x23/0x77 [ 275.508832] [] alloc_pid+0x79d/0xc7c [ 275.522749] [] ? __change_pid+0x2b3/0x2b3 [ 275.540864] [] ? test_ti_thread_flag+0x13/0x13 [ 275.560675] [] ? autogroup_task_get+0x123/0x15a [ 275.579967] [] ? memset+0x31/0x38 [ 275.597208] [] ? copy_thread_tls+0x416/0x77e [ 275.621959] [] copy_process.part.18+0x3287/0x4ef0 [ 275.642063] [] ? kasan_kmalloc+0x94/0xa3 [ 275.658393] [] ? rest_init+0x8f/0x8f [ 275.676586] [] ? x86_64_start_kernel+0x179/0x19c [ 275.695669] [] ? __cleanup_sighand+0x3b/0x3b [ 275.716352] [] ? __asan_loadN+0xf/0x11 [ 275.743749] [] ? pvclock_clocksource_read+0x10d/0x171 [ 275.762009] [] ? kvm_sched_clock_read+0x9/0x12 [ 275.782456] [] ? rest_init+0x8f/0x8f [ 275.798329] [] _do_fork+0x1e9/0x61e [ 275.813187] [] ? rest_init+0x8f/0x8f [ 275.827992] [] ? fork_idle+0x1a2/0x1a2 [ 275.848110] [] ? find_next_bit+0x3e/0x48 [ 275.865100] [] ? cpumask_next+0x35/0x3a [ 275.881054] [] ? rest_init+0x8f/0x8f [ 275.896519] [] kernel_thread+0x39/0x40 [ 275.918265] [] rest_init+0x27/0x8f [ 275.932564] [] start_kernel+0x618/0x64b [ 275.952075] [] ? thread_stack_cache_init+0xb/0xb [ 275.969725] [] ? cmdline_find_option_bool+0x131/0x146 [ 275.989649] [] ? early_idt_handler_array+0x120/0x120 [ 276.005680] [] x86_64_start_reservations+0x24/0x26 [ 276.025186] [] x86_64_start_kernel+0x179/0x19c [ 276.045051] ================================================================================ [ 276.075276] ================================================================================ [ 276.104080] UBSAN: Undefined behaviour in fs/proc/inode.c:462:41 [ 276.121453] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 276.146213] which requires 64 byte alignment [ 276.161587] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 276.183683] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 276.215675] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07848 ffffffffb26ec5cc [ 276.240100] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 276.261085] 0000000000000010 ffffffffb3c07870 ffffffffb3c07820 ffffffffb363c3e0 [ 276.288384] Call Trace: [ 276.294572] [] dump_stack+0xd7/0x132 [ 276.311761] [] ? arch_local_irq_restore+0x1b/0x1b [ 276.327428] [] ubsan_epilogue+0x12/0x53 [ 276.343771] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 276.370949] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 276.394476] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 276.415484] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 276.442349] [] proc_fill_super+0x35/0x358 [ 276.460118] [] ? mount_ns+0xaf/0x18b [ 276.477544] [] ? proc_get_inode+0x5e6/0x5e6 [ 276.498574] [] mount_ns+0xd2/0x18b [ 276.512996] [] proc_mount+0x8c/0x95 [ 276.527666] [] mount_fs+0xd0/0x2ca [ 276.545639] [] vfs_kern_mount+0xa0/0x20a [ 276.562852] [] kern_mount_data+0x4b/0x9a [ 276.582204] [] pid_ns_prepare_proc+0x23/0x77 [ 276.597995] [] alloc_pid+0x79d/0xc7c [ 276.614095] [] ? __change_pid+0x2b3/0x2b3 [ 276.631306] [] ? test_ti_thread_flag+0x13/0x13 [ 276.655971] [] ? autogroup_task_get+0x123/0x15a [ 276.673656] [] ? memset+0x31/0x38 [ 276.689048] [] ? copy_thread_tls+0x416/0x77e [ 276.710385] [] copy_process.part.18+0x3287/0x4ef0 [ 276.731891] [] ? kasan_kmalloc+0x94/0xa3 [ 276.745579] [] ? rest_init+0x8f/0x8f [ 276.764507] [] ? x86_64_start_kernel+0x179/0x19c [ 276.786991] [] ? __cleanup_sighand+0x3b/0x3b [ 276.801845] [] ? __asan_loadN+0xf/0x11 [ 276.819274] [] ? pvclock_clocksource_read+0x10d/0x171 [ 276.850255] [] ? kvm_sched_clock_read+0x9/0x12 [ 276.886638] [] ? rest_init+0x8f/0x8f [ 276.920151] [] _do_fork+0x1e9/0x61e [ 276.952366] [] ? rest_init+0x8f/0x8f [ 276.983540] [] ? fork_idle+0x1a2/0x1a2 [ 277.019221] [] ? find_next_bit+0x3e/0x48 [ 277.050008] [] ? cpumask_next+0x35/0x3a [ 277.089046] [] ? rest_init+0x8f/0x8f [ 277.118919] [] kernel_thread+0x39/0x40 [ 277.148141] [] rest_init+0x27/0x8f [ 277.165622] [] start_kernel+0x618/0x64b [ 277.184194] [] ? thread_stack_cache_init+0xb/0xb [ 277.211098] [] ? cmdline_find_option_bool+0x131/0x146 [ 277.239800] [] ? early_idt_handler_array+0x120/0x120 [ 277.265650] [] x86_64_start_reservations+0x24/0x26 [ 277.295728] [] x86_64_start_kernel+0x179/0x19c [ 277.315833] ================================================================================ [ 277.342233] ================================================================================ [ 277.369600] UBSAN: Undefined behaviour in fs/proc/inode.c:470:14 [ 277.386409] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 277.429492] which requires 64 byte alignment [ 277.442323] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 277.460470] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 277.493191] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07848 ffffffffb26ec5cc [ 277.514834] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 277.541957] ffffffff00000010 ffffffffb3c07870 ffffffffb3c07820 ffffffffb363c3e0 [ 277.563474] Call Trace: [ 277.575376] [] dump_stack+0xd7/0x132 [ 277.592957] [] ? arch_local_irq_restore+0x1b/0x1b [ 277.611826] [] ubsan_epilogue+0x12/0x53 [ 277.631479] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 277.651087] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 277.678667] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 277.701842] [] proc_fill_super+0x113/0x358 [ 277.718901] [] ? mount_ns+0xaf/0x18b [ 277.741713] [] ? proc_get_inode+0x5e6/0x5e6 [ 277.764929] [] mount_ns+0xd2/0x18b [ 277.782914] [] proc_mount+0x8c/0x95 [ 277.816390] [] mount_fs+0xd0/0x2ca [ 277.838885] [] vfs_kern_mount+0xa0/0x20a [ 277.884387] [] kern_mount_data+0x4b/0x9a [ 277.931032] [] pid_ns_prepare_proc+0x23/0x77 [ 277.963550] [] alloc_pid+0x79d/0xc7c [ 277.997308] [] ? __change_pid+0x2b3/0x2b3 [ 278.017854] [] ? test_ti_thread_flag+0x13/0x13 [ 278.041348] [] ? autogroup_task_get+0x123/0x15a [ 278.066118] [] ? memset+0x31/0x38 [ 278.086342] [] ? copy_thread_tls+0x416/0x77e [ 278.110877] [] copy_process.part.18+0x3287/0x4ef0 [ 278.139485] [] ? kasan_kmalloc+0x94/0xa3 [ 278.183037] [] ? rest_init+0x8f/0x8f [ 278.212070] [] ? x86_64_start_kernel+0x179/0x19c [ 278.247488] [] ? __cleanup_sighand+0x3b/0x3b [ 278.280797] [] ? __asan_loadN+0xf/0x11 [ 278.315048] [] ? pvclock_clocksource_read+0x10d/0x171 [ 278.336452] [] ? kvm_sched_clock_read+0x9/0x12 [ 278.359893] [] ? rest_init+0x8f/0x8f [ 278.381412] [] _do_fork+0x1e9/0x61e [ 278.400328] [] ? rest_init+0x8f/0x8f [ 278.427284] [] ? fork_idle+0x1a2/0x1a2 [ 278.444855] [] ? find_next_bit+0x3e/0x48 [ 278.461001] [] ? cpumask_next+0x35/0x3a [ 278.484718] [] ? rest_init+0x8f/0x8f [ 278.501089] [] kernel_thread+0x39/0x40 [ 278.523639] [] rest_init+0x27/0x8f [ 278.536707] [] start_kernel+0x618/0x64b [ 278.551595] [] ? thread_stack_cache_init+0xb/0xb [ 278.578146] [] ? cmdline_find_option_bool+0x131/0x146 [ 278.601820] [] ? early_idt_handler_array+0x120/0x120 [ 278.625132] [] x86_64_start_reservations+0x24/0x26 [ 278.645488] [] x86_64_start_kernel+0x179/0x19c [ 278.667874] ================================================================================ [ 278.702826] ================================================================================ [ 278.735726] UBSAN: Undefined behaviour in fs/proc/inode.c:470:14 [ 278.759895] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 278.797995] which requires 64 byte alignment [ 278.818408] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 278.843823] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 278.896905] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07848 ffffffffb26ec5cc [ 278.925783] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 278.956861] ffffffff00000010 ffffffffb3c07870 ffffffffb3c07820 ffffffffb363c3e0 [ 278.985724] Call Trace: [ 278.996369] [] dump_stack+0xd7/0x132 [ 279.016562] [] ? arch_local_irq_restore+0x1b/0x1b [ 279.043027] [] ubsan_epilogue+0x12/0x53 [ 279.068622] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 279.096770] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 279.123471] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 279.161181] [] proc_fill_super+0x13d/0x358 [ 279.182963] [] ? mount_ns+0xaf/0x18b [ 279.202317] [] ? proc_get_inode+0x5e6/0x5e6 [ 279.224961] [] mount_ns+0xd2/0x18b [ 279.244831] [] proc_mount+0x8c/0x95 [ 279.270400] [] mount_fs+0xd0/0x2ca [ 279.288548] [] vfs_kern_mount+0xa0/0x20a [ 279.309693] [] kern_mount_data+0x4b/0x9a [ 279.331362] [] pid_ns_prepare_proc+0x23/0x77 [ 279.351165] [] alloc_pid+0x79d/0xc7c [ 279.375501] [] ? __change_pid+0x2b3/0x2b3 [ 279.398188] [] ? test_ti_thread_flag+0x13/0x13 [ 279.424567] [] ? autogroup_task_get+0x123/0x15a [ 279.454417] [] ? memset+0x31/0x38 [ 279.472959] [] ? copy_thread_tls+0x416/0x77e [ 279.497893] [] copy_process.part.18+0x3287/0x4ef0 [ 279.522780] [] ? kasan_kmalloc+0x94/0xa3 [ 279.544957] [] ? rest_init+0x8f/0x8f [ 279.562728] [] ? x86_64_start_kernel+0x179/0x19c [ 279.591674] [] ? __cleanup_sighand+0x3b/0x3b [ 279.613085] [] ? __asan_loadN+0xf/0x11 [ 279.638544] [] ? pvclock_clocksource_read+0x10d/0x171 [ 279.663195] [] ? kvm_sched_clock_read+0x9/0x12 [ 279.686005] [] ? rest_init+0x8f/0x8f [ 279.707633] [] _do_fork+0x1e9/0x61e [ 279.726282] [] ? rest_init+0x8f/0x8f [ 279.752015] [] ? fork_idle+0x1a2/0x1a2 [ 279.771722] [] ? find_next_bit+0x3e/0x48 [ 279.790241] [] ? cpumask_next+0x35/0x3a [ 279.811157] [] ? rest_init+0x8f/0x8f [ 279.832922] [] kernel_thread+0x39/0x40 [ 279.858412] [] rest_init+0x27/0x8f [ 279.874126] [] start_kernel+0x618/0x64b [ 279.899702] [] ? thread_stack_cache_init+0xb/0xb [ 279.923415] [] ? cmdline_find_option_bool+0x131/0x146 [ 279.952185] [] ? early_idt_handler_array+0x120/0x120 [ 279.971069] [] x86_64_start_reservations+0x24/0x26 [ 279.997261] [] x86_64_start_kernel+0x179/0x19c [ 280.020951] ================================================================================ [ 280.047329] ================================================================================ [ 280.082529] UBSAN: Undefined behaviour in fs/proc/inode.c:471:13 [ 280.112015] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 280.147738] which requires 64 byte alignment [ 280.163760] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 280.186161] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 280.227633] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07848 ffffffffb26ec5cc [ 280.252822] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 280.282077] ffffffff00000010 ffffffffb3c07870 ffffffffb3c07820 ffffffffb363c3e0 [ 280.314757] Call Trace: [ 280.324441] [] dump_stack+0xd7/0x132 [ 280.341897] [] ? arch_local_irq_restore+0x1b/0x1b [ 280.363135] [] ubsan_epilogue+0x12/0x53 [ 280.382277] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 280.404574] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 280.435407] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 280.458281] [] proc_fill_super+0x15a/0x358 [ 280.477625] [] ? mount_ns+0xaf/0x18b [ 280.496604] [] ? proc_get_inode+0x5e6/0x5e6 [ 280.519413] [] mount_ns+0xd2/0x18b [ 280.542254] [] proc_mount+0x8c/0x95 [ 280.560896] [] mount_fs+0xd0/0x2ca [ 280.577187] [] vfs_kern_mount+0xa0/0x20a [ 280.595810] [] kern_mount_data+0x4b/0x9a [ 280.616600] [] pid_ns_prepare_proc+0x23/0x77 [ 280.639557] [] alloc_pid+0x79d/0xc7c [ 280.656555] [] ? __change_pid+0x2b3/0x2b3 [ 280.681934] [] ? test_ti_thread_flag+0x13/0x13 [ 280.701448] [] ? autogroup_task_get+0x123/0x15a [ 280.721392] [] ? memset+0x31/0x38 [ 280.743590] [] ? copy_thread_tls+0x416/0x77e [ 280.763545] [] copy_process.part.18+0x3287/0x4ef0 [ 280.785665] [] ? kasan_kmalloc+0x94/0xa3 [ 280.810175] [] ? rest_init+0x8f/0x8f [ 280.825153] [] ? x86_64_start_kernel+0x179/0x19c [ 280.845276] [] ? __cleanup_sighand+0x3b/0x3b [ 280.872636] [] ? __asan_loadN+0xf/0x11 [ 280.898453] [] ? pvclock_clocksource_read+0x10d/0x171 [ 280.931113] [] ? kvm_sched_clock_read+0x9/0x12 [ 280.953866] [] ? rest_init+0x8f/0x8f [ 280.979926] [] _do_fork+0x1e9/0x61e [ 281.002162] [] ? rest_init+0x8f/0x8f [ 281.029194] [] ? fork_idle+0x1a2/0x1a2 [ 281.049698] [] ? find_next_bit+0x3e/0x48 [ 281.084243] [] ? cpumask_next+0x35/0x3a [ 281.106108] [] ? rest_init+0x8f/0x8f [ 281.128687] [] kernel_thread+0x39/0x40 [ 281.156247] [] rest_init+0x27/0x8f [ 281.183406] [] start_kernel+0x618/0x64b [ 281.203468] [] ? thread_stack_cache_init+0xb/0xb [ 281.233051] [] ? cmdline_find_option_bool+0x131/0x146 [ 281.255212] [] ? early_idt_handler_array+0x120/0x120 [ 281.279559] [] x86_64_start_reservations+0x24/0x26 [ 281.316180] [] x86_64_start_kernel+0x179/0x19c [ 281.337319] ================================================================================ [ 281.372730] ================================================================================ [ 281.407517] UBSAN: Undefined behaviour in fs/proc/inode.c:471:13 [ 281.433136] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 281.465931] which requires 64 byte alignment [ 281.486066] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 281.512630] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 281.544932] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07848 ffffffffb26ec5cc [ 281.597919] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 281.643032] ffffffff00000010 ffffffffb3c07870 ffffffffb3c07820 ffffffffb363c3e0 [ 281.689881] Call Trace: [ 281.704366] [] dump_stack+0xd7/0x132 [ 281.731835] [] ? arch_local_irq_restore+0x1b/0x1b [ 281.759774] [] ubsan_epilogue+0x12/0x53 [ 281.779458] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 281.804811] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 281.836652] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 281.865474] [] proc_fill_super+0x187/0x358 [ 281.892143] [] ? mount_ns+0xaf/0x18b [ 281.914892] [] ? proc_get_inode+0x5e6/0x5e6 [ 281.947019] [] mount_ns+0xd2/0x18b [ 281.966470] [] proc_mount+0x8c/0x95 [ 281.989832] [] mount_fs+0xd0/0x2ca [ 282.022227] [] vfs_kern_mount+0xa0/0x20a [ 282.046509] [] kern_mount_data+0x4b/0x9a [ 282.081867] [] pid_ns_prepare_proc+0x23/0x77 [ 282.108339] [] alloc_pid+0x79d/0xc7c [ 282.138142] [] ? __change_pid+0x2b3/0x2b3 [ 282.164474] [] ? test_ti_thread_flag+0x13/0x13 [ 282.202346] [] ? autogroup_task_get+0x123/0x15a [ 282.230088] [] ? memset+0x31/0x38 [ 282.312703] [] ? copy_thread_tls+0x416/0x77e [ 282.340441] [] copy_process.part.18+0x3287/0x4ef0 [ 282.375244] [] ? kasan_kmalloc+0x94/0xa3 [ 282.401957] [] ? rest_init+0x8f/0x8f [ 282.426088] [] ? x86_64_start_kernel+0x179/0x19c [ 282.476077] [] ? __cleanup_sighand+0x3b/0x3b [ 282.517731] [] ? __asan_loadN+0xf/0x11 [ 282.548639] [] ? pvclock_clocksource_read+0x10d/0x171 [ 282.580767] [] ? kvm_sched_clock_read+0x9/0x12 [ 282.600903] [] ? rest_init+0x8f/0x8f [ 282.623533] [] _do_fork+0x1e9/0x61e [ 282.638821] [] ? rest_init+0x8f/0x8f [ 282.660136] [] ? fork_idle+0x1a2/0x1a2 [ 282.679446] [] ? find_next_bit+0x3e/0x48 [ 282.698924] [] ? cpumask_next+0x35/0x3a [ 282.714284] [] ? rest_init+0x8f/0x8f [ 282.734256] [] kernel_thread+0x39/0x40 [ 282.752954] [] rest_init+0x27/0x8f [ 282.773454] [] start_kernel+0x618/0x64b [ 282.794138] [] ? thread_stack_cache_init+0xb/0xb [ 282.817257] [] ? cmdline_find_option_bool+0x131/0x146 [ 282.841751] [] ? early_idt_handler_array+0x120/0x120 [ 282.863514] [] x86_64_start_reservations+0x24/0x26 [ 282.894220] [] x86_64_start_kernel+0x179/0x19c [ 282.918369] ================================================================================ [ 282.948381] ================================================================================ [ 282.981769] UBSAN: Undefined behaviour in fs/proc/inode.c:472:17 [ 283.007150] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 283.037642] which requires 64 byte alignment [ 283.054515] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 283.073360] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 283.105527] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07848 ffffffffb26ec5cc [ 283.133346] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 283.157784] ffffffff00000010 ffffffffb3c07870 ffffffffb3c07820 ffffffffb363c3e0 [ 283.181377] Call Trace: [ 283.188931] [] dump_stack+0xd7/0x132 [ 283.204995] [] ? arch_local_irq_restore+0x1b/0x1b [ 283.226860] [] ubsan_epilogue+0x12/0x53 [ 283.247306] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 283.271121] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 283.299312] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 283.318916] [] proc_fill_super+0x1a4/0x358 [ 283.339427] [] ? mount_ns+0xaf/0x18b [ 283.356134] [] ? proc_get_inode+0x5e6/0x5e6 [ 283.375625] [] mount_ns+0xd2/0x18b [ 283.390778] [] proc_mount+0x8c/0x95 [ 283.409575] [] mount_fs+0xd0/0x2ca [ 283.426098] [] vfs_kern_mount+0xa0/0x20a [ 283.445185] [] kern_mount_data+0x4b/0x9a [ 283.465277] [] pid_ns_prepare_proc+0x23/0x77 [ 283.489132] [] alloc_pid+0x79d/0xc7c [ 283.511886] [] ? __change_pid+0x2b3/0x2b3 [ 283.529298] [] ? test_ti_thread_flag+0x13/0x13 [ 283.546803] [] ? autogroup_task_get+0x123/0x15a [ 283.567989] [] ? memset+0x31/0x38 [ 283.584914] [] ? copy_thread_tls+0x416/0x77e [ 283.605540] [] copy_process.part.18+0x3287/0x4ef0 [ 283.630009] [] ? kasan_kmalloc+0x94/0xa3 [ 283.655588] [] ? rest_init+0x8f/0x8f [ 283.679824] [] ? x86_64_start_kernel+0x179/0x19c [ 283.704630] [] ? __cleanup_sighand+0x3b/0x3b [ 283.723913] [] ? __asan_loadN+0xf/0x11 [ 283.739393] [] ? pvclock_clocksource_read+0x10d/0x171 [ 283.762667] [] ? kvm_sched_clock_read+0x9/0x12 [ 283.783198] [] ? rest_init+0x8f/0x8f [ 283.804110] [] _do_fork+0x1e9/0x61e [ 283.821569] [] ? rest_init+0x8f/0x8f [ 283.837413] [] ? fork_idle+0x1a2/0x1a2 [ 283.854402] [] ? find_next_bit+0x3e/0x48 [ 283.872116] [] ? cpumask_next+0x35/0x3a [ 283.891832] [] ? rest_init+0x8f/0x8f [ 283.909769] [] kernel_thread+0x39/0x40 [ 283.928668] [] rest_init+0x27/0x8f [ 283.942576] [] start_kernel+0x618/0x64b [ 283.961096] [] ? thread_stack_cache_init+0xb/0xb [ 283.983285] [] ? cmdline_find_option_bool+0x131/0x146 [ 284.007299] [] ? early_idt_handler_array+0x120/0x120 [ 284.027817] [] x86_64_start_reservations+0x24/0x26 [ 284.052720] [] x86_64_start_kernel+0x179/0x19c [ 284.071878] ================================================================================ [ 284.100735] ================================================================================ [ 284.129572] UBSAN: Undefined behaviour in fs/proc/inode.c:473:22 [ 284.151553] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 284.181645] which requires 64 byte alignment [ 284.197836] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 284.225711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 284.257338] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07848 ffffffffb26ec5cc [ 284.282702] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 284.312222] ffffffff00000010 ffffffffb3c07870 ffffffffb3c07820 ffffffffb363c3e0 [ 284.333803] Call Trace: [ 284.341252] [] dump_stack+0xd7/0x132 [ 284.360523] [] ? arch_local_irq_restore+0x1b/0x1b [ 284.380836] [] ubsan_epilogue+0x12/0x53 [ 284.398008] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 284.420367] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 284.446223] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 284.471112] [] proc_fill_super+0x1ce/0x358 [ 284.487221] [] ? mount_ns+0xaf/0x18b [ 284.504179] [] ? proc_get_inode+0x5e6/0x5e6 [ 284.522011] [] mount_ns+0xd2/0x18b [ 284.538408] [] proc_mount+0x8c/0x95 [ 284.554748] [] mount_fs+0xd0/0x2ca [ 284.572439] [] vfs_kern_mount+0xa0/0x20a [ 284.590347] [] kern_mount_data+0x4b/0x9a [ 284.612010] [] pid_ns_prepare_proc+0x23/0x77 [ 284.630009] [] alloc_pid+0x79d/0xc7c [ 284.650339] [] ? __change_pid+0x2b3/0x2b3 [ 284.673257] [] ? test_ti_thread_flag+0x13/0x13 [ 284.696271] [] ? autogroup_task_get+0x123/0x15a [ 284.715605] [] ? memset+0x31/0x38 [ 284.733317] [] ? copy_thread_tls+0x416/0x77e [ 284.753485] [] copy_process.part.18+0x3287/0x4ef0 [ 284.774844] [] ? kasan_kmalloc+0x94/0xa3 [ 284.792013] [] ? rest_init+0x8f/0x8f [ 284.809685] [] ? x86_64_start_kernel+0x179/0x19c [ 284.832293] [] ? __cleanup_sighand+0x3b/0x3b [ 284.850476] [] ? __asan_loadN+0xf/0x11 [ 284.865198] [] ? pvclock_clocksource_read+0x10d/0x171 [ 284.890804] [] ? kvm_sched_clock_read+0x9/0x12 [ 284.912094] [] ? rest_init+0x8f/0x8f [ 284.930721] [] _do_fork+0x1e9/0x61e [ 284.950038] [] ? rest_init+0x8f/0x8f [ 284.966972] [] ? fork_idle+0x1a2/0x1a2 [ 284.986005] [] ? find_next_bit+0x3e/0x48 [ 285.003531] [] ? cpumask_next+0x35/0x3a [ 285.021061] [] ? rest_init+0x8f/0x8f [ 285.036512] [] kernel_thread+0x39/0x40 [ 285.053964] [] rest_init+0x27/0x8f [ 285.071856] [] start_kernel+0x618/0x64b [ 285.088254] [] ? thread_stack_cache_init+0xb/0xb [ 285.119838] [] ? cmdline_find_option_bool+0x131/0x146 [ 285.139307] [] ? early_idt_handler_array+0x120/0x120 [ 285.163244] [] x86_64_start_reservations+0x24/0x26 [ 285.183349] [] x86_64_start_kernel+0x179/0x19c [ 285.202981] ================================================================================ [ 285.231045] ================================================================================ [ 285.258599] UBSAN: Undefined behaviour in fs/proc/inode.c:474:13 [ 285.278898] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 285.309254] which requires 64 byte alignment [ 285.324955] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 285.345925] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 285.373435] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07848 ffffffffb26ec5cc [ 285.397780] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 285.422040] ffffffff00000010 ffffffffb3c07870 ffffffffb3c07820 ffffffffb363c3e0 [ 285.454610] Call Trace: [ 285.463606] [] dump_stack+0xd7/0x132 [ 285.481591] [] ? arch_local_irq_restore+0x1b/0x1b [ 285.500692] [] ubsan_epilogue+0x12/0x53 [ 285.529003] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 285.549385] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 285.574162] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 285.599906] [] proc_fill_super+0x1f4/0x358 [ 285.620473] [] ? mount_ns+0xaf/0x18b [ 285.636215] [] ? proc_get_inode+0x5e6/0x5e6 [ 285.657537] [] mount_ns+0xd2/0x18b [ 285.673651] [] proc_mount+0x8c/0x95 [ 285.693337] [] mount_fs+0xd0/0x2ca [ 285.708726] [] vfs_kern_mount+0xa0/0x20a [ 285.725711] [] kern_mount_data+0x4b/0x9a [ 285.745948] [] pid_ns_prepare_proc+0x23/0x77 [ 285.764527] [] alloc_pid+0x79d/0xc7c [ 285.782121] [] ? __change_pid+0x2b3/0x2b3 [ 285.801456] [] ? test_ti_thread_flag+0x13/0x13 [ 285.820725] [] ? autogroup_task_get+0x123/0x15a [ 285.839199] [] ? memset+0x31/0x38 [ 285.856223] [] ? copy_thread_tls+0x416/0x77e [ 285.878806] [] copy_process.part.18+0x3287/0x4ef0 [ 285.899924] [] ? kasan_kmalloc+0x94/0xa3 [ 285.917746] [] ? rest_init+0x8f/0x8f [ 285.933949] [] ? x86_64_start_kernel+0x179/0x19c [ 285.954733] [] ? __cleanup_sighand+0x3b/0x3b [ 285.972697] [] ? __asan_loadN+0xf/0x11 [ 285.990466] [] ? pvclock_clocksource_read+0x10d/0x171 [ 286.013789] [] ? kvm_sched_clock_read+0x9/0x12 [ 286.032726] [] ? rest_init+0x8f/0x8f [ 286.053326] [] _do_fork+0x1e9/0x61e [ 286.069878] [] ? rest_init+0x8f/0x8f [ 286.084068] [] ? fork_idle+0x1a2/0x1a2 [ 286.109632] [] ? find_next_bit+0x3e/0x48 [ 286.127373] [] ? cpumask_next+0x35/0x3a [ 286.148457] [] ? rest_init+0x8f/0x8f [ 286.173877] [] kernel_thread+0x39/0x40 [ 286.191002] [] rest_init+0x27/0x8f [ 286.216549] [] start_kernel+0x618/0x64b [ 286.236048] [] ? thread_stack_cache_init+0xb/0xb [ 286.255788] [] ? cmdline_find_option_bool+0x131/0x146 [ 286.285651] [] ? early_idt_handler_array+0x120/0x120 [ 286.307919] [] x86_64_start_reservations+0x24/0x26 [ 286.330003] [] x86_64_start_kernel+0x179/0x19c [ 286.347599] ================================================================================ [ 286.374393] ================================================================================ [ 286.404153] UBSAN: Undefined behaviour in fs/proc/inode.c:475:10 [ 286.423015] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 286.451690] which requires 64 byte alignment [ 286.464850] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 286.488101] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 286.519655] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07848 ffffffffb26ec5cc [ 286.540053] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 286.564868] ffffffff00000010 ffffffffb3c07870 ffffffffb3c07820 ffffffffb363c3e0 [ 286.588851] Call Trace: [ 286.599569] [] dump_stack+0xd7/0x132 [ 286.615593] [] ? arch_local_irq_restore+0x1b/0x1b [ 286.637052] [] ubsan_epilogue+0x12/0x53 [ 286.654916] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 286.679483] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 286.705135] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 286.729800] [] proc_fill_super+0x21e/0x358 [ 286.744152] [] ? mount_ns+0xaf/0x18b [ 286.761971] [] ? proc_get_inode+0x5e6/0x5e6 [ 286.782344] [] mount_ns+0xd2/0x18b [ 286.796493] [] proc_mount+0x8c/0x95 [ 286.812023] [] mount_fs+0xd0/0x2ca [ 286.826040] [] vfs_kern_mount+0xa0/0x20a [ 286.846015] [] kern_mount_data+0x4b/0x9a [ 286.864152] [] pid_ns_prepare_proc+0x23/0x77 [ 286.883593] [] alloc_pid+0x79d/0xc7c [ 286.902397] [] ? __change_pid+0x2b3/0x2b3 [ 286.922574] [] ? test_ti_thread_flag+0x13/0x13 [ 286.942306] [] ? autogroup_task_get+0x123/0x15a [ 286.964559] [] ? memset+0x31/0x38 [ 286.982537] [] ? copy_thread_tls+0x416/0x77e [ 287.003986] [] copy_process.part.18+0x3287/0x4ef0 [ 287.030170] [] ? kasan_kmalloc+0x94/0xa3 [ 287.048974] [] ? rest_init+0x8f/0x8f [ 287.064216] [] ? x86_64_start_kernel+0x179/0x19c [ 287.085278] [] ? __cleanup_sighand+0x3b/0x3b [ 287.103821] [] ? __asan_loadN+0xf/0x11 [ 287.121039] [] ? pvclock_clocksource_read+0x10d/0x171 [ 287.144958] [] ? kvm_sched_clock_read+0x9/0x12 [ 287.165475] [] ? rest_init+0x8f/0x8f [ 287.182812] [] _do_fork+0x1e9/0x61e [ 287.202565] [] ? rest_init+0x8f/0x8f [ 287.220293] [] ? fork_idle+0x1a2/0x1a2 [ 287.237039] [] ? find_next_bit+0x3e/0x48 [ 287.257034] [] ? cpumask_next+0x35/0x3a [ 287.280455] [] ? rest_init+0x8f/0x8f [ 287.299219] [] kernel_thread+0x39/0x40 [ 287.319765] [] rest_init+0x27/0x8f [ 287.335345] [] start_kernel+0x618/0x64b [ 287.354496] [] ? thread_stack_cache_init+0xb/0xb [ 287.376530] [] ? cmdline_find_option_bool+0x131/0x146 [ 287.399623] [] ? early_idt_handler_array+0x120/0x120 [ 287.421231] [] x86_64_start_reservations+0x24/0x26 [ 287.442264] [] x86_64_start_kernel+0x179/0x19c [ 287.463872] ================================================================================ [ 287.490668] ================================================================================ [ 287.521398] UBSAN: Undefined behaviour in fs/proc/inode.c:476:17 [ 287.542376] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 287.572257] which requires 64 byte alignment [ 287.584007] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 287.604391] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 287.635883] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07848 ffffffffb26ec5cc [ 287.661053] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 287.684419] ffffffff00000010 ffffffffb3c07870 ffffffffb3c07820 ffffffffb363c3e0 [ 287.714844] Call Trace: [ 287.722068] [] dump_stack+0xd7/0x132 [ 287.740484] [] ? arch_local_irq_restore+0x1b/0x1b [ 287.761697] [] ubsan_epilogue+0x12/0x53 [ 287.781195] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 287.867032] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 287.890575] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 287.912747] [] proc_fill_super+0x248/0x358 [ 287.931702] [] ? mount_ns+0xaf/0x18b [ 287.948918] [] ? proc_get_inode+0x5e6/0x5e6 [ 287.972428] [] mount_ns+0xd2/0x18b [ 287.991069] [] proc_mount+0x8c/0x95 [ 288.008972] [] mount_fs+0xd0/0x2ca [ 288.028036] [] vfs_kern_mount+0xa0/0x20a [ 288.050227] [] kern_mount_data+0x4b/0x9a [ 288.068925] [] pid_ns_prepare_proc+0x23/0x77 [ 288.090909] [] alloc_pid+0x79d/0xc7c [ 288.106820] [] ? __change_pid+0x2b3/0x2b3 [ 288.123534] [] ? test_ti_thread_flag+0x13/0x13 [ 288.143190] [] ? autogroup_task_get+0x123/0x15a [ 288.164992] [] ? memset+0x31/0x38 [ 288.184799] [] ? copy_thread_tls+0x416/0x77e [ 288.203141] [] copy_process.part.18+0x3287/0x4ef0 [ 288.223111] [] ? kasan_kmalloc+0x94/0xa3 [ 288.241451] [] ? rest_init+0x8f/0x8f [ 288.260467] [] ? x86_64_start_kernel+0x179/0x19c [ 288.281209] [] ? __cleanup_sighand+0x3b/0x3b [ 288.298383] [] ? __asan_loadN+0xf/0x11 [ 288.318617] [] ? pvclock_clocksource_read+0x10d/0x171 [ 288.342346] [] ? kvm_sched_clock_read+0x9/0x12 [ 288.363904] [] ? rest_init+0x8f/0x8f [ 288.382062] [] _do_fork+0x1e9/0x61e [ 288.403661] [] ? rest_init+0x8f/0x8f [ 288.420210] [] ? fork_idle+0x1a2/0x1a2 [ 288.435835] [] ? find_next_bit+0x3e/0x48 [ 288.453760] [] ? cpumask_next+0x35/0x3a [ 288.472987] [] ? rest_init+0x8f/0x8f [ 288.489085] [] kernel_thread+0x39/0x40 [ 288.509130] [] rest_init+0x27/0x8f [ 288.526045] [] start_kernel+0x618/0x64b [ 288.551379] [] ? thread_stack_cache_init+0xb/0xb [ 288.574920] [] ? cmdline_find_option_bool+0x131/0x146 [ 288.602135] [] ? early_idt_handler_array+0x120/0x120 [ 288.636228] [] x86_64_start_reservations+0x24/0x26 [ 288.660464] [] x86_64_start_kernel+0x179/0x19c [ 288.688851] ================================================================================ [ 288.726528] ================================================================================ [ 288.770991] UBSAN: Undefined behaviour in fs/proc/inode.c:483:19 [ 288.805696] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 288.846680] which requires 64 byte alignment [ 288.873422] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 288.909714] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 288.954617] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07848 ffffffffb26ec5cc [ 288.993241] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 289.040101] ffffffff00000010 ffffffffb3c07870 ffffffffb3c07820 ffffffffb363c3e0 [ 289.086246] Call Trace: [ 289.100149] [] dump_stack+0xd7/0x132 [ 289.124029] [] ? arch_local_irq_restore+0x1b/0x1b [ 289.144807] [] ubsan_epilogue+0x12/0x53 [ 289.166913] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 289.201436] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 289.226648] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 289.252274] [] proc_fill_super+0x277/0x358 [ 289.271875] [] ? mount_ns+0xaf/0x18b [ 289.288283] [] ? proc_get_inode+0x5e6/0x5e6 [ 289.312496] [] mount_ns+0xd2/0x18b [ 289.327154] [] proc_mount+0x8c/0x95 [ 289.347614] [] mount_fs+0xd0/0x2ca [ 289.365795] [] vfs_kern_mount+0xa0/0x20a [ 289.384530] [] kern_mount_data+0x4b/0x9a [ 289.404275] [] pid_ns_prepare_proc+0x23/0x77 [ 289.424845] [] alloc_pid+0x79d/0xc7c [ 289.441582] [] ? __change_pid+0x2b3/0x2b3 [ 289.461124] [] ? test_ti_thread_flag+0x13/0x13 [ 289.483195] [] ? autogroup_task_get+0x123/0x15a [ 289.502766] [] ? memset+0x31/0x38 [ 289.521335] [] ? copy_thread_tls+0x416/0x77e [ 289.539498] [] copy_process.part.18+0x3287/0x4ef0 [ 289.560898] [] ? kasan_kmalloc+0x94/0xa3 [ 289.579671] [] ? rest_init+0x8f/0x8f [ 289.592768] [] ? x86_64_start_kernel+0x179/0x19c [ 289.614835] [] ? __cleanup_sighand+0x3b/0x3b [ 289.633838] [] ? __asan_loadN+0xf/0x11 [ 289.651108] [] ? pvclock_clocksource_read+0x10d/0x171 [ 289.673506] [] ? kvm_sched_clock_read+0x9/0x12 [ 289.692571] [] ? rest_init+0x8f/0x8f [ 289.718361] [] _do_fork+0x1e9/0x61e [ 289.733932] [] ? rest_init+0x8f/0x8f [ 289.752424] [] ? fork_idle+0x1a2/0x1a2 [ 289.771696] [] ? find_next_bit+0x3e/0x48 [ 289.797084] [] ? cpumask_next+0x35/0x3a [ 289.819024] [] ? rest_init+0x8f/0x8f [ 289.837235] [] kernel_thread+0x39/0x40 [ 289.856994] [] rest_init+0x27/0x8f [ 289.876337] [] start_kernel+0x618/0x64b [ 289.900507] [] ? thread_stack_cache_init+0xb/0xb [ 289.923589] [] ? cmdline_find_option_bool+0x131/0x146 [ 289.951602] [] ? early_idt_handler_array+0x120/0x120 [ 289.975434] [] x86_64_start_reservations+0x24/0x26 [ 290.000561] [] x86_64_start_kernel+0x179/0x19c [ 290.021102] ================================================================================ [ 290.051356] random: fast init done [ 290.060765] ================================================================================ [ 290.090476] UBSAN: Undefined behaviour in fs/proc/inode.c:492:12 [ 290.109293] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 290.138198] which requires 64 byte alignment [ 290.152106] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 290.171584] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 290.219288] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07848 ffffffffb26ec5cc [ 290.242224] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 290.266600] 0020000000000010 ffffffffb3c07870 ffffffffb3c07820 ffffffffb363c3e0 [ 290.292511] Call Trace: [ 290.300872] [] dump_stack+0xd7/0x132 [ 290.319117] [] ? arch_local_irq_restore+0x1b/0x1b [ 290.338299] [] ubsan_epilogue+0x12/0x53 [ 290.359154] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 290.381613] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 290.408348] [] proc_fill_super+0x2e2/0x358 [ 290.428993] [] ? mount_ns+0xaf/0x18b [ 290.447447] [] ? proc_get_inode+0x5e6/0x5e6 [ 290.466837] [] mount_ns+0xd2/0x18b [ 290.484499] [] proc_mount+0x8c/0x95 [ 290.501362] [] mount_fs+0xd0/0x2ca [ 290.518018] [] vfs_kern_mount+0xa0/0x20a [ 290.536522] [] kern_mount_data+0x4b/0x9a [ 290.554820] [] pid_ns_prepare_proc+0x23/0x77 [ 290.585295] [] alloc_pid+0x79d/0xc7c [ 290.601706] [] ? __change_pid+0x2b3/0x2b3 [ 290.620073] [] ? test_ti_thread_flag+0x13/0x13 [ 290.638516] [] ? autogroup_task_get+0x123/0x15a [ 290.659435] [] ? memset+0x31/0x38 [ 290.677237] [] ? copy_thread_tls+0x416/0x77e [ 290.696562] [] copy_process.part.18+0x3287/0x4ef0 [ 290.715801] [] ? kasan_kmalloc+0x94/0xa3 [ 290.733608] [] ? rest_init+0x8f/0x8f [ 290.749761] [] ? x86_64_start_kernel+0x179/0x19c [ 290.771058] [] ? __cleanup_sighand+0x3b/0x3b [ 290.790360] [] ? __asan_loadN+0xf/0x11 [ 290.808105] [] ? pvclock_clocksource_read+0x10d/0x171 [ 290.832481] [] ? kvm_sched_clock_read+0x9/0x12 [ 290.854717] [] ? rest_init+0x8f/0x8f [ 290.882800] [] _do_fork+0x1e9/0x61e [ 290.905667] [] ? rest_init+0x8f/0x8f [ 290.922485] [] ? fork_idle+0x1a2/0x1a2 [ 290.939022] [] ? find_next_bit+0x3e/0x48 [ 290.959115] [] ? cpumask_next+0x35/0x3a [ 290.976337] [] ? rest_init+0x8f/0x8f [ 290.991354] [] kernel_thread+0x39/0x40 [ 291.008505] [] rest_init+0x27/0x8f [ 291.028976] [] start_kernel+0x618/0x64b [ 291.059193] [] ? thread_stack_cache_init+0xb/0xb [ 291.093211] [] ? cmdline_find_option_bool+0x131/0x146 [ 291.139416] [] ? early_idt_handler_array+0x120/0x120 [ 291.176035] [] x86_64_start_reservations+0x24/0x26 [ 291.223894] [] x86_64_start_kernel+0x179/0x19c [ 291.261671] ================================================================================ [ 291.326873] ================================================================================ [ 291.385865] UBSAN: Undefined behaviour in fs/proc/inode.c:493:8 [ 291.419677] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 291.461194] which requires 64 byte alignment [ 291.503602] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 291.538508] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 291.606613] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07848 ffffffffb26ec5cc [ 291.641076] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 291.672653] ffffffff00000010 ffffffffb3c07870 ffffffffb3c07820 ffffffffb363c3e0 [ 291.692513] Call Trace: [ 291.702477] [] dump_stack+0xd7/0x132 [ 291.717573] [] ? arch_local_irq_restore+0x1b/0x1b [ 291.735743] [] ubsan_epilogue+0x12/0x53 [ 291.751340] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 291.775559] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 291.803908] [] proc_fill_super+0x308/0x358 [ 291.827557] [] ? mount_ns+0xaf/0x18b [ 291.844707] [] ? proc_get_inode+0x5e6/0x5e6 [ 291.868132] [] mount_ns+0xd2/0x18b [ 291.884607] [] proc_mount+0x8c/0x95 [ 291.902896] [] mount_fs+0xd0/0x2ca [ 291.940749] [] vfs_kern_mount+0xa0/0x20a [ 291.977552] [] kern_mount_data+0x4b/0x9a [ 292.011007] [] pid_ns_prepare_proc+0x23/0x77 [ 292.043710] [] alloc_pid+0x79d/0xc7c [ 292.078423] [] ? __change_pid+0x2b3/0x2b3 [ 292.104896] [] ? test_ti_thread_flag+0x13/0x13 [ 292.135068] [] ? autogroup_task_get+0x123/0x15a [ 292.158190] [] ? memset+0x31/0x38 [ 292.179165] [] ? copy_thread_tls+0x416/0x77e [ 292.202434] [] copy_process.part.18+0x3287/0x4ef0 [ 292.223600] [] ? kasan_kmalloc+0x94/0xa3 [ 292.243532] [] ? rest_init+0x8f/0x8f [ 292.262025] [] ? x86_64_start_kernel+0x179/0x19c [ 292.291727] [] ? __cleanup_sighand+0x3b/0x3b [ 292.309930] [] ? __asan_loadN+0xf/0x11 [ 292.325805] [] ? pvclock_clocksource_read+0x10d/0x171 [ 292.349612] [] ? kvm_sched_clock_read+0x9/0x12 [ 292.370549] [] ? rest_init+0x8f/0x8f [ 292.386189] [] _do_fork+0x1e9/0x61e [ 292.404503] [] ? rest_init+0x8f/0x8f [ 292.423572] [] ? fork_idle+0x1a2/0x1a2 [ 292.440283] [] ? find_next_bit+0x3e/0x48 [ 292.459543] [] ? cpumask_next+0x35/0x3a [ 292.477819] [] ? rest_init+0x8f/0x8f [ 292.495173] [] kernel_thread+0x39/0x40 [ 292.517067] [] rest_init+0x27/0x8f [ 292.535209] [] start_kernel+0x618/0x64b [ 292.552581] [] ? thread_stack_cache_init+0xb/0xb [ 292.575796] [] ? cmdline_find_option_bool+0x131/0x146 [ 292.596463] [] ? early_idt_handler_array+0x120/0x120 [ 292.619987] [] x86_64_start_reservations+0x24/0x26 [ 292.640051] [] x86_64_start_kernel+0x179/0x19c [ 292.659581] ================================================================================ [ 292.690040] ================================================================================ [ 292.711627] UBSAN: Undefined behaviour in fs/proc/self.c:49:38 [ 292.733444] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 292.769403] which requires 64 byte alignment [ 292.784935] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 292.804315] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 292.839107] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c077f8 ffffffffb26ec5cc [ 292.870741] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 292.901087] 0000000000000010 ffffffffb3c07820 ffffffffb3c077d0 ffffffffb363c3e0 [ 292.928460] Call Trace: [ 292.938288] [] dump_stack+0xd7/0x132 [ 292.956322] [] ? arch_local_irq_restore+0x1b/0x1b [ 292.977862] [] ubsan_epilogue+0x12/0x53 [ 292.997510] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 293.019476] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 293.041769] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 293.065418] [] proc_setup_self+0x39/0x328 [ 293.084721] [] proc_fill_super+0x332/0x358 [ 293.103447] [] ? mount_ns+0xaf/0x18b [ 293.122188] [] ? proc_get_inode+0x5e6/0x5e6 [ 293.141452] [] mount_ns+0xd2/0x18b [ 293.158326] [] proc_mount+0x8c/0x95 [ 293.175169] [] mount_fs+0xd0/0x2ca [ 293.191787] [] vfs_kern_mount+0xa0/0x20a [ 293.209865] [] kern_mount_data+0x4b/0x9a [ 293.228528] [] pid_ns_prepare_proc+0x23/0x77 [ 293.250988] [] alloc_pid+0x79d/0xc7c [ 293.267293] [] ? __change_pid+0x2b3/0x2b3 [ 293.287523] [] ? test_ti_thread_flag+0x13/0x13 [ 293.308277] [] ? autogroup_task_get+0x123/0x15a [ 293.327357] [] ? memset+0x31/0x38 [ 293.343603] [] ? copy_thread_tls+0x416/0x77e [ 293.361706] [] copy_process.part.18+0x3287/0x4ef0 [ 293.383503] [] ? kasan_kmalloc+0x94/0xa3 [ 293.402467] [] ? rest_init+0x8f/0x8f [ 293.418486] [] ? x86_64_start_kernel+0x179/0x19c [ 293.435937] [] ? __cleanup_sighand+0x3b/0x3b [ 293.456086] [] ? __asan_loadN+0xf/0x11 [ 293.475063] [] ? pvclock_clocksource_read+0x10d/0x171 [ 293.496902] [] ? kvm_sched_clock_read+0x9/0x12 [ 293.516261] [] ? rest_init+0x8f/0x8f [ 293.533853] [] _do_fork+0x1e9/0x61e [ 293.551458] [] ? rest_init+0x8f/0x8f [ 293.567744] [] ? fork_idle+0x1a2/0x1a2 [ 293.586119] [] ? find_next_bit+0x3e/0x48 [ 293.604993] [] ? cpumask_next+0x35/0x3a [ 293.623398] [] ? rest_init+0x8f/0x8f [ 293.639725] [] kernel_thread+0x39/0x40 [ 293.660070] [] rest_init+0x27/0x8f [ 293.678375] [] start_kernel+0x618/0x64b [ 293.694873] [] ? thread_stack_cache_init+0xb/0xb [ 293.715450] [] ? cmdline_find_option_bool+0x131/0x146 [ 293.737839] [] ? early_idt_handler_array+0x120/0x120 [ 293.757029] [] x86_64_start_reservations+0x24/0x26 [ 293.780403] [] x86_64_start_kernel+0x179/0x19c [ 293.799967] ================================================================================ [ 293.826086] ================================================================================ [ 293.853854] UBSAN: Undefined behaviour in fs/proc/self.c:50:24 [ 293.871382] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 293.899502] which requires 64 byte alignment [ 293.911930] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 293.932585] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 293.959981] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c077f8 ffffffffb26ec5cc [ 293.987701] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 294.011652] ffffffff00000010 ffffffffb3c07820 ffffffffb3c077d0 ffffffffb363c3e0 [ 294.038988] Call Trace: [ 294.047585] [] dump_stack+0xd7/0x132 [ 294.062479] [] ? arch_local_irq_restore+0x1b/0x1b [ 294.085019] [] ubsan_epilogue+0x12/0x53 [ 294.104097] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 294.127117] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 294.153910] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 294.175427] [] proc_setup_self+0x8b/0x328 [ 294.192103] [] proc_fill_super+0x332/0x358 [ 294.208735] [] ? mount_ns+0xaf/0x18b [ 294.224280] [] ? proc_get_inode+0x5e6/0x5e6 [ 294.251878] [] mount_ns+0xd2/0x18b [ 294.268468] [] proc_mount+0x8c/0x95 [ 294.284654] [] mount_fs+0xd0/0x2ca [ 294.302540] [] vfs_kern_mount+0xa0/0x20a [ 294.321868] [] kern_mount_data+0x4b/0x9a [ 294.339475] [] pid_ns_prepare_proc+0x23/0x77 [ 294.362503] [] alloc_pid+0x79d/0xc7c [ 294.384969] [] ? __change_pid+0x2b3/0x2b3 [ 294.412212] [] ? test_ti_thread_flag+0x13/0x13 [ 294.440602] [] ? autogroup_task_get+0x123/0x15a [ 294.467316] [] ? memset+0x31/0x38 [ 294.491677] [] ? copy_thread_tls+0x416/0x77e [ 294.519147] [] copy_process.part.18+0x3287/0x4ef0 [ 294.542731] [] ? kasan_kmalloc+0x94/0xa3 [ 294.561528] [] ? rest_init+0x8f/0x8f [ 294.578693] [] ? x86_64_start_kernel+0x179/0x19c [ 294.601811] [] ? __cleanup_sighand+0x3b/0x3b [ 294.623912] [] ? __asan_loadN+0xf/0x11 [ 294.653169] [] ? pvclock_clocksource_read+0x10d/0x171 [ 294.688683] [] ? kvm_sched_clock_read+0x9/0x12 [ 294.714928] [] ? rest_init+0x8f/0x8f [ 294.746506] [] _do_fork+0x1e9/0x61e [ 294.772124] [] ? rest_init+0x8f/0x8f [ 294.799879] [] ? fork_idle+0x1a2/0x1a2 [ 294.823236] [] ? find_next_bit+0x3e/0x48 [ 294.851606] [] ? cpumask_next+0x35/0x3a [ 294.870910] [] ? rest_init+0x8f/0x8f [ 294.893575] [] kernel_thread+0x39/0x40 [ 294.923949] [] rest_init+0x27/0x8f [ 294.949938] [] start_kernel+0x618/0x64b [ 294.971088] [] ? thread_stack_cache_init+0xb/0xb [ 294.992549] [] ? cmdline_find_option_bool+0x131/0x146 [ 295.016834] [] ? early_idt_handler_array+0x120/0x120 [ 295.035578] [] x86_64_start_reservations+0x24/0x26 [ 295.056220] [] x86_64_start_kernel+0x179/0x19c [ 295.075177] ================================================================================ [ 295.104282] ================================================================================ [ 295.134171] UBSAN: Undefined behaviour in fs/proc/self.c:54:9 [ 295.159282] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 295.190812] which requires 64 byte alignment [ 295.208101] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 295.228889] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 295.273724] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c077f8 ffffffffb26ec5cc [ 295.303289] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 295.333682] ffffffff00000010 ffffffffb3c07820 ffffffffb3c077d0 ffffffffb363c3e0 [ 295.362387] Call Trace: [ 295.377413] [] dump_stack+0xd7/0x132 [ 295.405922] [] ? arch_local_irq_restore+0x1b/0x1b [ 295.435104] [] ubsan_epilogue+0x12/0x53 [ 295.457076] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 295.480497] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 295.518684] [] ? __down_timeout+0x18/0x18 [ 295.541549] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 295.563677] [] proc_setup_self+0xc6/0x328 [ 295.623955] [] proc_fill_super+0x332/0x358 [ 295.643546] [] ? mount_ns+0xaf/0x18b [ 295.669568] [] ? proc_get_inode+0x5e6/0x5e6 [ 295.691486] [] mount_ns+0xd2/0x18b [ 295.712336] [] proc_mount+0x8c/0x95 [ 295.731636] [] mount_fs+0xd0/0x2ca [ 295.752299] [] vfs_kern_mount+0xa0/0x20a [ 295.771433] [] kern_mount_data+0x4b/0x9a [ 295.790700] [] pid_ns_prepare_proc+0x23/0x77 [ 295.808476] [] alloc_pid+0x79d/0xc7c [ 295.830985] [] ? __change_pid+0x2b3/0x2b3 [ 295.848320] [] ? test_ti_thread_flag+0x13/0x13 [ 295.870669] [] ? autogroup_task_get+0x123/0x15a [ 295.888912] [] ? memset+0x31/0x38 [ 295.905067] [] ? copy_thread_tls+0x416/0x77e [ 295.924475] [] copy_process.part.18+0x3287/0x4ef0 [ 295.944903] [] ? kasan_kmalloc+0x94/0xa3 [ 295.961500] [] ? rest_init+0x8f/0x8f [ 295.978098] [] ? x86_64_start_kernel+0x179/0x19c [ 296.000078] [] ? __cleanup_sighand+0x3b/0x3b [ 296.019768] [] ? __asan_loadN+0xf/0x11 [ 296.039907] [] ? pvclock_clocksource_read+0x10d/0x171 [ 296.063002] [] ? kvm_sched_clock_read+0x9/0x12 [ 296.086073] [] ? rest_init+0x8f/0x8f [ 296.106676] [] _do_fork+0x1e9/0x61e [ 296.126370] [] ? rest_init+0x8f/0x8f [ 296.144420] [] ? fork_idle+0x1a2/0x1a2 [ 296.166969] [] ? find_next_bit+0x3e/0x48 [ 296.195796] [] ? cpumask_next+0x35/0x3a [ 296.225153] [] ? rest_init+0x8f/0x8f [ 296.256611] [] kernel_thread+0x39/0x40 [ 296.293372] [] rest_init+0x27/0x8f [ 296.327436] [] start_kernel+0x618/0x64b [ 296.359125] [] ? thread_stack_cache_init+0xb/0xb [ 296.392097] [] ? cmdline_find_option_bool+0x131/0x146 [ 296.427838] [] ? early_idt_handler_array+0x120/0x120 [ 296.462358] [] x86_64_start_reservations+0x24/0x26 [ 296.491862] [] x86_64_start_kernel+0x179/0x19c [ 296.514563] ================================================================================ [ 296.546501] ================================================================================ [ 296.579568] UBSAN: Undefined behaviour in fs/proc/thread_self.c:51:38 [ 296.603900] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 296.636808] which requires 64 byte alignment [ 296.650399] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 296.671841] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 296.706428] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c077f8 ffffffffb26ec5cc [ 296.735124] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 296.757900] 0000000000000010 ffffffffb3c07820 ffffffffb3c077d0 ffffffffb363c3e0 [ 296.784947] Call Trace: [ 296.795797] [] dump_stack+0xd7/0x132 [ 296.812930] [] ? arch_local_irq_restore+0x1b/0x1b [ 296.837742] [] ubsan_epilogue+0x12/0x53 [ 296.858316] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 296.883592] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 296.910597] [] proc_setup_thread_self+0x39/0x328 [ 296.935991] [] proc_fill_super+0x343/0x358 [ 296.959894] [] ? mount_ns+0xaf/0x18b [ 296.980248] [] ? proc_get_inode+0x5e6/0x5e6 [ 297.005445] [] mount_ns+0xd2/0x18b [ 297.027030] [] proc_mount+0x8c/0x95 [ 297.052079] [] mount_fs+0xd0/0x2ca [ 297.072629] [] vfs_kern_mount+0xa0/0x20a [ 297.095308] [] kern_mount_data+0x4b/0x9a [ 297.120591] [] pid_ns_prepare_proc+0x23/0x77 [ 297.143287] [] alloc_pid+0x79d/0xc7c [ 297.161088] [] ? __change_pid+0x2b3/0x2b3 [ 297.184396] [] ? test_ti_thread_flag+0x13/0x13 [ 297.206847] [] ? autogroup_task_get+0x123/0x15a [ 297.230413] [] ? memset+0x31/0x38 [ 297.248014] [] ? copy_thread_tls+0x416/0x77e [ 297.271678] [] copy_process.part.18+0x3287/0x4ef0 [ 297.296348] [] ? kasan_kmalloc+0x94/0xa3 [ 297.318424] [] ? rest_init+0x8f/0x8f [ 297.338885] [] ? x86_64_start_kernel+0x179/0x19c [ 297.363202] [] ? __cleanup_sighand+0x3b/0x3b [ 297.390103] [] ? __asan_loadN+0xf/0x11 [ 297.411882] [] ? pvclock_clocksource_read+0x10d/0x171 [ 297.455934] [] ? kvm_sched_clock_read+0x9/0x12 [ 297.502231] [] ? rest_init+0x8f/0x8f [ 297.522266] [] _do_fork+0x1e9/0x61e [ 297.544405] [] ? rest_init+0x8f/0x8f [ 297.568119] [] ? fork_idle+0x1a2/0x1a2 [ 297.589751] [] ? find_next_bit+0x3e/0x48 [ 297.612049] [] ? cpumask_next+0x35/0x3a [ 297.631514] [] ? rest_init+0x8f/0x8f [ 297.651058] [] kernel_thread+0x39/0x40 [ 297.673691] [] rest_init+0x27/0x8f [ 297.694948] [] start_kernel+0x618/0x64b [ 297.717857] [] ? thread_stack_cache_init+0xb/0xb [ 297.740609] [] ? cmdline_find_option_bool+0x131/0x146 [ 297.766537] [] ? early_idt_handler_array+0x120/0x120 [ 297.792485] [] x86_64_start_reservations+0x24/0x26 [ 297.821448] [] x86_64_start_kernel+0x179/0x19c [ 297.846596] ================================================================================ [ 297.882195] ================================================================================ [ 297.920014] UBSAN: Undefined behaviour in fs/proc/thread_self.c:52:24 [ 297.944807] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 297.980626] which requires 64 byte alignment [ 297.997670] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 298.023064] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 298.065248] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c077f8 ffffffffb26ec5cc [ 298.097580] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 298.128822] ffffffff00000010 ffffffffb3c07820 ffffffffb3c077d0 ffffffffb363c3e0 [ 298.156232] Call Trace: [ 298.165945] [] dump_stack+0xd7/0x132 [ 298.184442] [] ? arch_local_irq_restore+0x1b/0x1b [ 298.209404] [] ubsan_epilogue+0x12/0x53 [ 298.229051] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 298.253945] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 298.280745] [] proc_setup_thread_self+0x8b/0x328 [ 298.301978] [] proc_fill_super+0x343/0x358 [ 298.323455] [] ? mount_ns+0xaf/0x18b [ 298.345710] [] ? proc_get_inode+0x5e6/0x5e6 [ 298.366055] [] mount_ns+0xd2/0x18b [ 298.383280] [] proc_mount+0x8c/0x95 [ 298.399545] [] mount_fs+0xd0/0x2ca [ 298.415157] [] vfs_kern_mount+0xa0/0x20a [ 298.439112] [] kern_mount_data+0x4b/0x9a [ 298.458221] [] pid_ns_prepare_proc+0x23/0x77 [ 298.480264] [] alloc_pid+0x79d/0xc7c [ 298.499593] [] ? __change_pid+0x2b3/0x2b3 [ 298.521387] [] ? test_ti_thread_flag+0x13/0x13 [ 298.542562] [] ? autogroup_task_get+0x123/0x15a [ 298.563461] [] ? memset+0x31/0x38 [ 298.583316] [] ? copy_thread_tls+0x416/0x77e [ 298.605526] [] copy_process.part.18+0x3287/0x4ef0 [ 298.627241] [] ? kasan_kmalloc+0x94/0xa3 [ 298.643848] [] ? rest_init+0x8f/0x8f [ 298.666019] [] ? x86_64_start_kernel+0x179/0x19c [ 298.692805] [] ? __cleanup_sighand+0x3b/0x3b [ 298.712120] [] ? __asan_loadN+0xf/0x11 [ 298.729707] [] ? pvclock_clocksource_read+0x10d/0x171 [ 298.752047] [] ? kvm_sched_clock_read+0x9/0x12 [ 298.774439] [] ? rest_init+0x8f/0x8f [ 298.793909] [] _do_fork+0x1e9/0x61e [ 298.809346] [] ? rest_init+0x8f/0x8f [ 298.828935] [] ? fork_idle+0x1a2/0x1a2 [ 298.849701] [] ? find_next_bit+0x3e/0x48 [ 298.870137] [] ? cpumask_next+0x35/0x3a [ 298.884440] [] ? rest_init+0x8f/0x8f [ 298.904608] [] kernel_thread+0x39/0x40 [ 298.921072] [] rest_init+0x27/0x8f [ 298.938811] [] start_kernel+0x618/0x64b [ 298.955663] [] ? thread_stack_cache_init+0xb/0xb [ 298.975787] [] ? cmdline_find_option_bool+0x131/0x146 [ 298.996458] [] ? early_idt_handler_array+0x120/0x120 [ 299.015693] [] x86_64_start_reservations+0x24/0x26 [ 299.036192] [] x86_64_start_kernel+0x179/0x19c [ 299.054940] ================================================================================ [ 299.084444] ================================================================================ [ 299.112917] UBSAN: Undefined behaviour in fs/proc/thread_self.c:56:16 [ 299.137542] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 299.163849] which requires 64 byte alignment [ 299.178428] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 299.195584] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 299.225556] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c077f8 ffffffffb26ec5cc [ 299.264116] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 299.342425] ffffffff00000010 ffffffffb3c07820 ffffffffb3c077d0 ffffffffb363c3e0 [ 299.392372] Call Trace: [ 299.406925] [] dump_stack+0xd7/0x132 [ 299.454275] [] ? arch_local_irq_restore+0x1b/0x1b [ 299.490208] [] ubsan_epilogue+0x12/0x53 [ 299.521132] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 299.553141] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 299.574369] [] ? __down_timeout+0x18/0x18 [ 299.592284] [] proc_setup_thread_self+0xc6/0x328 [ 299.611876] [] proc_fill_super+0x343/0x358 [ 299.632807] [] ? mount_ns+0xaf/0x18b [ 299.649932] [] ? proc_get_inode+0x5e6/0x5e6 [ 299.671936] [] mount_ns+0xd2/0x18b [ 299.689849] [] proc_mount+0x8c/0x95 [ 299.705429] [] mount_fs+0xd0/0x2ca [ 299.723922] [] vfs_kern_mount+0xa0/0x20a [ 299.745113] [] kern_mount_data+0x4b/0x9a [ 299.762704] [] pid_ns_prepare_proc+0x23/0x77 [ 299.780347] [] alloc_pid+0x79d/0xc7c [ 299.798310] [] ? __change_pid+0x2b3/0x2b3 [ 299.819660] [] ? test_ti_thread_flag+0x13/0x13 [ 299.839811] [] ? autogroup_task_get+0x123/0x15a [ 299.858519] [] ? memset+0x31/0x38 [ 299.873270] [] ? copy_thread_tls+0x416/0x77e [ 299.893941] [] copy_process.part.18+0x3287/0x4ef0 [ 299.913030] [] ? kasan_kmalloc+0x94/0xa3 [ 299.938849] [] ? rest_init+0x8f/0x8f [ 299.958562] [] ? x86_64_start_kernel+0x179/0x19c [ 299.980425] [] ? __cleanup_sighand+0x3b/0x3b [ 300.003570] [] ? __asan_loadN+0xf/0x11 [ 300.021954] [] ? pvclock_clocksource_read+0x10d/0x171 [ 300.043067] [] ? kvm_sched_clock_read+0x9/0x12 [ 300.064291] [] ? rest_init+0x8f/0x8f [ 300.081211] [] _do_fork+0x1e9/0x61e [ 300.102200] [] ? rest_init+0x8f/0x8f [ 300.119011] [] ? fork_idle+0x1a2/0x1a2 [ 300.137529] [] ? find_next_bit+0x3e/0x48 [ 300.155268] [] ? cpumask_next+0x35/0x3a [ 300.175383] [] ? rest_init+0x8f/0x8f [ 300.194457] [] kernel_thread+0x39/0x40 [ 300.214099] [] rest_init+0x27/0x8f [ 300.229449] [] start_kernel+0x618/0x64b [ 300.245516] [] ? thread_stack_cache_init+0xb/0xb [ 300.270500] [] ? cmdline_find_option_bool+0x131/0x146 [ 300.294496] [] ? early_idt_handler_array+0x120/0x120 [ 300.313703] [] x86_64_start_reservations+0x24/0x26 [ 300.353879] [] x86_64_start_kernel+0x179/0x19c [ 300.390045] ================================================================================ [ 300.428411] ================================================================================ [ 300.457344] UBSAN: Undefined behaviour in fs/super.c:993:15 [ 300.474903] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 300.504246] which requires 64 byte alignment [ 300.519948] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 300.539076] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 300.570823] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07880 ffffffffb26ec5cc [ 300.595117] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 300.622559] fa7ff19900000010 ffffffffb3c078a8 ffffffffb3c07858 ffffffffb363c3e0 [ 300.646968] Call Trace: [ 300.654854] [] dump_stack+0xd7/0x132 [ 300.673886] [] ? arch_local_irq_restore+0x1b/0x1b [ 300.692965] [] ubsan_epilogue+0x12/0x53 [ 300.709623] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 300.730418] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 300.754942] [] ? proc_get_inode+0x5e6/0x5e6 [ 300.772255] [] mount_ns+0x10b/0x18b [ 300.791338] [] proc_mount+0x8c/0x95 [ 300.804653] [] mount_fs+0xd0/0x2ca [ 300.824630] [] vfs_kern_mount+0xa0/0x20a [ 300.842969] [] kern_mount_data+0x4b/0x9a [ 300.860457] [] pid_ns_prepare_proc+0x23/0x77 [ 300.880465] [] alloc_pid+0x79d/0xc7c [ 300.902775] [] ? __change_pid+0x2b3/0x2b3 [ 300.924800] [] ? test_ti_thread_flag+0x13/0x13 [ 300.957171] [] ? autogroup_task_get+0x123/0x15a [ 300.978489] [] ? memset+0x31/0x38 [ 301.000364] [] ? copy_thread_tls+0x416/0x77e [ 301.024085] [] copy_process.part.18+0x3287/0x4ef0 [ 301.044168] [] ? kasan_kmalloc+0x94/0xa3 [ 301.070866] [] ? rest_init+0x8f/0x8f [ 301.091317] [] ? x86_64_start_kernel+0x179/0x19c [ 301.111843] [] ? __cleanup_sighand+0x3b/0x3b [ 301.135412] [] ? __asan_loadN+0xf/0x11 [ 301.155346] [] ? pvclock_clocksource_read+0x10d/0x171 [ 301.190037] [] ? kvm_sched_clock_read+0x9/0x12 [ 301.210381] [] ? rest_init+0x8f/0x8f [ 301.234488] [] _do_fork+0x1e9/0x61e [ 301.257210] [] ? rest_init+0x8f/0x8f [ 301.277339] [] ? fork_idle+0x1a2/0x1a2 [ 301.297664] [] ? find_next_bit+0x3e/0x48 [ 301.326015] [] ? cpumask_next+0x35/0x3a [ 301.346010] [] ? rest_init+0x8f/0x8f [ 301.362488] [] kernel_thread+0x39/0x40 [ 301.387971] [] rest_init+0x27/0x8f [ 301.407320] [] start_kernel+0x618/0x64b [ 301.425352] [] ? thread_stack_cache_init+0xb/0xb [ 301.452311] [] ? cmdline_find_option_bool+0x131/0x146 [ 301.474239] [] ? early_idt_handler_array+0x120/0x120 [ 301.501284] [] x86_64_start_reservations+0x24/0x26 [ 301.524608] [] x86_64_start_kernel+0x179/0x19c [ 301.555551] ================================================================================ [ 301.580715] ================================================================================ [ 301.617014] UBSAN: Undefined behaviour in fs/super.c:993:15 [ 301.639532] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 301.669746] which requires 64 byte alignment [ 301.681249] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 301.713003] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 301.760089] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07880 ffffffffb26ec5cc [ 301.786456] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 301.815826] ffffffff00000010 ffffffffb3c078a8 ffffffffb3c07858 ffffffffb363c3e0 [ 301.840892] Call Trace: [ 301.848165] [] dump_stack+0xd7/0x132 [ 301.865584] [] ? arch_local_irq_restore+0x1b/0x1b [ 301.886072] [] ubsan_epilogue+0x12/0x53 [ 301.905801] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 301.929245] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 301.951886] [] ? proc_get_inode+0x5e6/0x5e6 [ 301.972169] [] mount_ns+0x13b/0x18b [ 301.988708] [] proc_mount+0x8c/0x95 [ 302.005672] [] mount_fs+0xd0/0x2ca [ 302.024013] [] vfs_kern_mount+0xa0/0x20a [ 302.042018] [] kern_mount_data+0x4b/0x9a [ 302.060032] [] pid_ns_prepare_proc+0x23/0x77 [ 302.079315] [] alloc_pid+0x79d/0xc7c [ 302.096107] [] ? __change_pid+0x2b3/0x2b3 [ 302.113523] [] ? test_ti_thread_flag+0x13/0x13 [ 302.132738] [] ? autogroup_task_get+0x123/0x15a [ 302.152704] [] ? memset+0x31/0x38 [ 302.167739] [] ? copy_thread_tls+0x416/0x77e [ 302.194088] [] copy_process.part.18+0x3287/0x4ef0 [ 302.222334] [] ? kasan_kmalloc+0x94/0xa3 [ 302.240905] [] ? rest_init+0x8f/0x8f [ 302.257575] [] ? x86_64_start_kernel+0x179/0x19c [ 302.276437] [] ? __cleanup_sighand+0x3b/0x3b [ 302.302234] [] ? __asan_loadN+0xf/0x11 [ 302.320268] [] ? pvclock_clocksource_read+0x10d/0x171 [ 302.343395] [] ? kvm_sched_clock_read+0x9/0x12 [ 302.364987] [] ? rest_init+0x8f/0x8f [ 302.380753] [] _do_fork+0x1e9/0x61e [ 302.401637] [] ? rest_init+0x8f/0x8f [ 302.420133] [] ? fork_idle+0x1a2/0x1a2 [ 302.437551] [] ? find_next_bit+0x3e/0x48 [ 302.454433] [] ? cpumask_next+0x35/0x3a [ 302.470952] [] ? rest_init+0x8f/0x8f [ 302.485769] [] kernel_thread+0x39/0x40 [ 302.503113] [] rest_init+0x27/0x8f [ 302.521869] [] start_kernel+0x618/0x64b [ 302.537456] [] ? thread_stack_cache_init+0xb/0xb [ 302.557823] [] ? cmdline_find_option_bool+0x131/0x146 [ 302.579727] [] ? early_idt_handler_array+0x120/0x120 [ 302.601331] [] x86_64_start_reservations+0x24/0x26 [ 302.620195] [] x86_64_start_kernel+0x179/0x19c [ 302.638919] ================================================================================ [ 302.664014] ================================================================================ [ 302.690340] UBSAN: Undefined behaviour in fs/super.c:996:9 [ 302.704840] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 302.741368] which requires 64 byte alignment [ 302.753401] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 302.772438] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 302.803080] 00000000ffffffff fa7ff199fa7ff17c ffffffffb3c07880 ffffffffb26ec5cc [ 302.841651] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 302.878169] ffffffff00000010 ffffffffb3c078a8 ffffffffb3c07858 ffffffffb363c3e0 [ 302.902851] Call Trace: [ 302.910471] [] dump_stack+0xd7/0x132 [ 302.926174] [] ? arch_local_irq_restore+0x1b/0x1b [ 302.946162] [] ubsan_epilogue+0x12/0x53 [ 302.964753] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 302.988406] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 303.007163] [] ? proc_get_inode+0x5e6/0x5e6 [ 303.024847] [] mount_ns+0x15f/0x18b [ 303.041807] [] proc_mount+0x8c/0x95 [ 303.055022] [] mount_fs+0xd0/0x2ca [ 303.072181] [] vfs_kern_mount+0xa0/0x20a [ 303.090591] [] kern_mount_data+0x4b/0x9a [ 303.106865] [] pid_ns_prepare_proc+0x23/0x77 [ 303.127098] [] alloc_pid+0x79d/0xc7c [ 303.143918] [] ? __change_pid+0x2b3/0x2b3 [ 303.162231] [] ? test_ti_thread_flag+0x13/0x13 [ 303.179627] [] ? autogroup_task_get+0x123/0x15a [ 303.198886] [] ? memset+0x31/0x38 [ 303.214561] [] ? copy_thread_tls+0x416/0x77e [ 303.234193] [] copy_process.part.18+0x3287/0x4ef0 [ 303.258442] [] ? kasan_kmalloc+0x94/0xa3 [ 303.276331] [] ? rest_init+0x8f/0x8f [ 303.294899] [] ? x86_64_start_kernel+0x179/0x19c [ 303.317794] [] ? __cleanup_sighand+0x3b/0x3b [ 303.360699] [] ? __asan_loadN+0xf/0x11 [ 303.426704] [] ? pvclock_clocksource_read+0x10d/0x171 [ 303.463566] [] ? kvm_sched_clock_read+0x9/0x12 [ 303.483143] [] ? rest_init+0x8f/0x8f [ 303.500631] [] _do_fork+0x1e9/0x61e [ 303.516105] [] ? rest_init+0x8f/0x8f [ 303.532564] [] ? fork_idle+0x1a2/0x1a2 [ 303.549728] [] ? find_next_bit+0x3e/0x48 [ 303.569546] [] ? cpumask_next+0x35/0x3a [ 303.583379] [] ? rest_init+0x8f/0x8f [ 303.603756] [] kernel_thread+0x39/0x40 [ 303.621805] [] rest_init+0x27/0x8f [ 303.638742] [] start_kernel+0x618/0x64b [ 303.652892] [] ? thread_stack_cache_init+0xb/0xb [ 303.672275] [] ? cmdline_find_option_bool+0x131/0x146 [ 303.692122] [] ? early_idt_handler_array+0x120/0x120 [ 303.711687] [] x86_64_start_reservations+0x24/0x26 [ 303.732700] [] x86_64_start_kernel+0x179/0x19c [ 303.755085] ================================================================================ [ 303.849471] smpboot: APIC(0) Converting physical 0 to logical package 0 [ 303.870683] smpboot: APIC(2) Converting physical 1 to logical package 1 [ 303.891452] smpboot: Max logical packages: 2 [ 303.904371] ================================================================================ [ 303.930623] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 303.953484] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 303.983249] which requires 8 byte alignment [ 303.998037] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 304.015530] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 304.043794] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfdd0 ffffffffb26ec5cc [ 304.066208] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 304.091405] ffffffff00000010 ffff88005c9dfdf8 ffff88005c9dfda8 ffffffffb363c3e0 [ 304.114711] Call Trace: [ 304.121808] [] dump_stack+0xd7/0x132 [ 304.137286] [] ? arch_local_irq_restore+0x1b/0x1b [ 304.158319] [] ubsan_epilogue+0x12/0x53 [ 304.174561] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 304.198120] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 304.220584] [] ? apic_read+0x4b/0x50 [ 304.236118] [] ? default_cpu_present_to_apicid+0xd0/0xd0 [ 304.258873] [] native_smp_prepare_cpus+0x3aa/0x52c [ 304.276475] [] kernel_init_freeable+0x1fa/0x518 [ 304.296762] [] ? balance_callback+0x3a/0x137 [ 304.314385] [] kernel_init+0x16/0x181 [ 304.328440] [] ret_from_fork+0x1f/0x40 [ 304.349083] [] ? rest_init+0x8f/0x8f [ 304.365039] ================================================================================ [ 304.389544] ================================================================================ [ 304.414350] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 304.442041] load of misaligned address ffffffffb77ce744 for type 'volatile const long unsigned int' [ 304.470943] which requires 8 byte alignment [ 304.482026] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 304.501620] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 304.534611] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd78 ffffffffb26ec5cc [ 304.558988] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 304.581165] 0000000000000010 ffff88005c9dfda0 ffff88005c9dfd50 ffffffffb363c3e0 [ 304.609355] Call Trace: [ 304.618073] [] dump_stack+0xd7/0x132 [ 304.634283] [] ? arch_local_irq_restore+0x1b/0x1b [ 304.653079] [] ubsan_epilogue+0x12/0x53 [ 304.669085] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 304.688764] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 304.712437] [] enable_IR_x2apic+0x6c/0x22e [ 304.731670] [] default_setup_apic_routing+0x1e/0x15c [ 304.750595] [] ? default_cpu_present_to_apicid+0xd0/0xd0 [ 304.771611] [] native_smp_prepare_cpus+0x438/0x52c [ 304.792314] [] kernel_init_freeable+0x1fa/0x518 [ 304.812482] [] ? balance_callback+0x3a/0x137 [ 304.828408] [] kernel_init+0x16/0x181 [ 304.846500] [] ret_from_fork+0x1f/0x40 [ 304.864055] [] ? rest_init+0x8f/0x8f [ 304.878682] ================================================================================ [ 304.914919] x2apic enabled [ 304.925172] Switched APIC routing to physical x2apic. [ 304.951112] ================================================================================ [ 304.977582] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 305.000189] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 305.031093] which requires 8 byte alignment [ 305.045986] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 305.064559] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 305.098213] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd58 ffffffffb26ec5cc [ 305.122577] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 305.144424] 0000000000000010 ffff88005c9dfd80 ffff88005c9dfd30 ffffffffb363c3e0 [ 305.173243] Call Trace: [ 305.180092] [] dump_stack+0xd7/0x132 [ 305.197924] [] ? arch_local_irq_restore+0x1b/0x1b [ 305.217695] [] ubsan_epilogue+0x12/0x53 [ 305.236092] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 305.254566] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 305.279414] [] ? printk+0xc2/0xe9 [ 305.293387] [] ? power_down+0x109/0x109 [ 305.312670] [] setup_local_APIC+0x62/0x355 [ 305.332442] [] ? paravirt_read_msr+0xb/0xf [ 305.348946] [] ? native_apic_msr_read+0x1a/0x20 [ 305.368697] [] apic_bsp_setup+0x82/0xd6 [ 305.383919] [] native_smp_prepare_cpus+0x483/0x52c [ 305.402936] [] kernel_init_freeable+0x1fa/0x518 [ 305.424123] [] ? balance_callback+0x3a/0x137 [ 305.440738] [] kernel_init+0x16/0x181 [ 305.455504] [] ret_from_fork+0x1f/0x40 [ 305.472231] [] ? rest_init+0x8f/0x8f [ 305.485011] ================================================================================ [ 305.524293] ================================================================================ [ 305.551264] UBSAN: Undefined behaviour in kernel/irq/settings.h:39:29 [ 305.571392] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 305.598055] which requires 64 byte alignment [ 305.611358] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 305.628609] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 305.660242] 00000000ffffffff 00000000b1a89c60 ffff88005c9df800 ffffffffb26ec5cc [ 305.688837] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 305.713279] ffffffff00000010 ffff88005c9df828 ffff88005c9df7d8 ffffffffb363c3e0 [ 305.737012] Call Trace: [ 305.744070] [] dump_stack+0xd7/0x132 [ 305.759581] [] ? arch_local_irq_restore+0x1b/0x1b [ 305.779213] [] ubsan_epilogue+0x12/0x53 [ 305.796282] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 305.816560] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 305.837187] [] irq_modify_status+0xae/0x32c [ 305.855598] [] ? handle_nested_irq+0x2a7/0x2a7 [ 305.874307] [] mp_register_handler+0x39/0x53 [ 305.894452] [] mp_irqdomain_alloc+0x75a/0x94f [ 305.910649] [] ? IO_APIC_get_PCI_irq_vector+0x53e/0x53e [ 305.932717] [] ? mutex_set_owner+0x8e/0xc6 [ 305.950870] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 305.972032] [] irq_domain_alloc_irqs_recursive+0x106/0x164 [ 306.002455] [] __irq_domain_alloc_irqs+0x414/0x6fc [ 306.027616] [] alloc_isa_irq_from_domain.isra.1+0x118/0x195 [ 306.055273] [] mp_map_pin_to_irq+0x4e6/0x757 [ 306.072545] [] ? acpi_get_override_irq+0x1b6/0x1b6 [ 306.093812] [] ? __irq_domain_add+0x2b4/0x2c4 [ 306.113339] [] ? mp_irqdomain_create+0x3a5/0x401 [ 306.128973] [] ? irq_get_chip_data+0x38/0x38 [ 306.150699] [] pin_2_irq+0xfb/0x107 [ 306.167306] [] setup_IO_APIC+0x35b/0xf54 [ 306.182974] [] ? ioapic_insert_resources+0x77/0x77 [ 306.204379] [] ? ioapic_read_entry+0xbc/0xd1 [ 306.223981] [] ? clear_IO_APIC_pin+0x165/0x1dc [ 306.241984] [] ? clear_IO_APIC+0x92/0xf6 [ 306.266402] [] ? apic_read+0x42/0x50 [ 306.280833] [] ? apic_read+0x42/0x50 [ 306.295913] [] ? paravirt_read_msr+0xb/0xf [ 306.314799] [] apic_bsp_setup+0xbf/0xd6 [ 306.330263] [] native_smp_prepare_cpus+0x483/0x52c [ 306.350626] [] kernel_init_freeable+0x1fa/0x518 [ 306.372913] [] ? balance_callback+0x3a/0x137 [ 306.392244] [] kernel_init+0x16/0x181 [ 306.409307] [] ret_from_fork+0x1f/0x40 [ 306.426516] [] ? rest_init+0x8f/0x8f [ 306.441808] ================================================================================ [ 306.468616] ================================================================================ [ 306.498424] UBSAN: Undefined behaviour in kernel/irq/settings.h:39:29 [ 306.517130] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 306.544390] which requires 64 byte alignment [ 306.558210] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 306.578508] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 306.606125] 00000000ffffffff 00000000b1a89c60 ffff88005c9df800 ffffffffb26ec5cc [ 306.627856] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 306.651226] ffffffff00000010 ffff88005c9df828 ffff88005c9df7d8 ffffffffb363c3e0 [ 306.675309] Call Trace: [ 306.682563] [] dump_stack+0xd7/0x132 [ 306.700330] [] ? arch_local_irq_restore+0x1b/0x1b [ 306.720602] [] ubsan_epilogue+0x12/0x53 [ 306.738582] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 306.756516] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 306.776846] [] irq_modify_status+0xe7/0x32c [ 306.795937] [] ? handle_nested_irq+0x2a7/0x2a7 [ 306.816967] [] mp_register_handler+0x39/0x53 [ 306.833707] [] mp_irqdomain_alloc+0x75a/0x94f [ 306.855571] [] ? IO_APIC_get_PCI_irq_vector+0x53e/0x53e [ 306.877315] [] ? mutex_set_owner+0x8e/0xc6 [ 306.900107] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 306.921422] [] irq_domain_alloc_irqs_recursive+0x106/0x164 [ 306.944044] [] __irq_domain_alloc_irqs+0x414/0x6fc [ 306.965717] [] alloc_isa_irq_from_domain.isra.1+0x118/0x195 [ 306.991406] [] mp_map_pin_to_irq+0x4e6/0x757 [ 307.009765] [] ? acpi_get_override_irq+0x1b6/0x1b6 [ 307.028545] [] ? __irq_domain_add+0x2b4/0x2c4 [ 307.046483] [] ? mp_irqdomain_create+0x3a5/0x401 [ 307.067504] [] ? irq_get_chip_data+0x38/0x38 [ 307.085617] [] pin_2_irq+0xfb/0x107 [ 307.102084] [] setup_IO_APIC+0x35b/0xf54 [ 307.120657] [] ? ioapic_insert_resources+0x77/0x77 [ 307.140076] [] ? ioapic_read_entry+0xbc/0xd1 [ 307.158630] [] ? clear_IO_APIC_pin+0x165/0x1dc [ 307.177195] [] ? clear_IO_APIC+0x92/0xf6 [ 307.192210] [] ? apic_read+0x42/0x50 [ 307.209345] [] ? apic_read+0x42/0x50 [ 307.224415] [] ? paravirt_read_msr+0xb/0xf [ 307.241820] [] apic_bsp_setup+0xbf/0xd6 [ 307.258407] [] native_smp_prepare_cpus+0x483/0x52c [ 307.276314] [] kernel_init_freeable+0x1fa/0x518 [ 307.294650] [] ? balance_callback+0x3a/0x137 [ 307.313752] [] kernel_init+0x16/0x181 [ 307.330097] [] ret_from_fork+0x1f/0x40 [ 307.345144] [] ? rest_init+0x8f/0x8f [ 307.364106] ================================================================================ [ 307.391551] ================================================================================ [ 307.426411] UBSAN: Undefined behaviour in kernel/irq/settings.h:40:29 [ 307.453291] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 307.489975] which requires 64 byte alignment [ 307.500621] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 307.519785] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 307.562817] 00000000ffffffff 00000000b1a89c60 ffff88005c9df800 ffffffffb26ec5cc [ 307.591151] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 307.613710] ffffffff00000010 ffff88005c9df828 ffff88005c9df7d8 ffffffffb363c3e0 [ 307.638012] Call Trace: [ 307.644478] [] dump_stack+0xd7/0x132 [ 307.662096] [] ? arch_local_irq_restore+0x1b/0x1b [ 307.688723] [] ubsan_epilogue+0x12/0x53 [ 307.711736] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 307.745239] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 307.774308] [] irq_modify_status+0x107/0x32c [ 307.800838] [] ? handle_nested_irq+0x2a7/0x2a7 [ 307.830079] [] mp_register_handler+0x39/0x53 [ 307.854808] [] mp_irqdomain_alloc+0x75a/0x94f [ 307.874915] [] ? IO_APIC_get_PCI_irq_vector+0x53e/0x53e [ 307.899456] [] ? mutex_set_owner+0x8e/0xc6 [ 307.916987] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 307.940247] [] irq_domain_alloc_irqs_recursive+0x106/0x164 [ 307.965002] [] __irq_domain_alloc_irqs+0x414/0x6fc [ 307.987048] [] alloc_isa_irq_from_domain.isra.1+0x118/0x195 [ 308.012147] [] mp_map_pin_to_irq+0x4e6/0x757 [ 308.029149] [] ? acpi_get_override_irq+0x1b6/0x1b6 [ 308.051110] [] ? __irq_domain_add+0x2b4/0x2c4 [ 308.070722] [] ? mp_irqdomain_create+0x3a5/0x401 [ 308.089511] [] ? irq_get_chip_data+0x38/0x38 [ 308.111527] [] pin_2_irq+0xfb/0x107 [ 308.126745] [] setup_IO_APIC+0x35b/0xf54 [ 308.145063] [] ? ioapic_insert_resources+0x77/0x77 [ 308.185239] [] ? ioapic_read_entry+0xbc/0xd1 [ 308.210747] [] ? clear_IO_APIC_pin+0x165/0x1dc [ 308.229292] [] ? clear_IO_APIC+0x92/0xf6 [ 308.247618] [] ? apic_read+0x42/0x50 [ 308.268249] [] ? apic_read+0x42/0x50 [ 308.297248] [] ? paravirt_read_msr+0xb/0xf [ 308.327997] [] apic_bsp_setup+0xbf/0xd6 [ 308.350435] [] native_smp_prepare_cpus+0x483/0x52c [ 308.372809] [] kernel_init_freeable+0x1fa/0x518 [ 308.400186] [] ? balance_callback+0x3a/0x137 [ 308.424848] [] kernel_init+0x16/0x181 [ 308.446132] [] ret_from_fork+0x1f/0x40 [ 308.465445] [] ? rest_init+0x8f/0x8f [ 308.484461] ================================================================================ [ 308.519109] ================================================================================ [ 308.548154] UBSAN: Undefined behaviour in kernel/irq/settings.h:40:29 [ 308.581773] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 308.611296] which requires 64 byte alignment [ 308.632451] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 308.657939] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 308.718254] 00000000ffffffff 00000000b1a89c60 ffff88005c9df800 ffffffffb26ec5cc [ 308.767155] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 308.806059] ffffffff00000010 ffff88005c9df828 ffff88005c9df7d8 ffffffffb363c3e0 [ 308.853108] Call Trace: [ 308.864357] [] dump_stack+0xd7/0x132 [ 308.887694] [] ? arch_local_irq_restore+0x1b/0x1b [ 308.915098] [] ubsan_epilogue+0x12/0x53 [ 308.947360] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 308.970735] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 309.000136] [] irq_modify_status+0x12a/0x32c [ 309.021948] [] ? handle_nested_irq+0x2a7/0x2a7 [ 309.046140] [] mp_register_handler+0x39/0x53 [ 309.074072] [] mp_irqdomain_alloc+0x75a/0x94f [ 309.098375] [] ? IO_APIC_get_PCI_irq_vector+0x53e/0x53e [ 309.122365] [] ? mutex_set_owner+0x8e/0xc6 [ 309.144295] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 309.175849] [] irq_domain_alloc_irqs_recursive+0x106/0x164 [ 309.205694] [] __irq_domain_alloc_irqs+0x414/0x6fc [ 309.229289] [] alloc_isa_irq_from_domain.isra.1+0x118/0x195 [ 309.258101] [] mp_map_pin_to_irq+0x4e6/0x757 [ 309.282705] [] ? acpi_get_override_irq+0x1b6/0x1b6 [ 309.314499] [] ? __irq_domain_add+0x2b4/0x2c4 [ 309.344174] [] ? mp_irqdomain_create+0x3a5/0x401 [ 309.370204] [] ? irq_get_chip_data+0x38/0x38 [ 309.393431] [] pin_2_irq+0xfb/0x107 [ 309.412328] [] setup_IO_APIC+0x35b/0xf54 [ 309.433913] [] ? ioapic_insert_resources+0x77/0x77 [ 309.459595] [] ? ioapic_read_entry+0xbc/0xd1 [ 309.480202] [] ? clear_IO_APIC_pin+0x165/0x1dc [ 309.505017] [] ? clear_IO_APIC+0x92/0xf6 [ 309.527310] [] ? apic_read+0x42/0x50 [ 309.547874] [] ? apic_read+0x42/0x50 [ 309.587490] [] ? paravirt_read_msr+0xb/0xf [ 309.630819] [] apic_bsp_setup+0xbf/0xd6 [ 309.660852] [] native_smp_prepare_cpus+0x483/0x52c [ 309.698012] [] kernel_init_freeable+0x1fa/0x518 [ 309.755382] [] ? balance_callback+0x3a/0x137 [ 309.796586] [] kernel_init+0x16/0x181 [ 309.823945] [] ret_from_fork+0x1f/0x40 [ 309.860454] [] ? rest_init+0x8f/0x8f [ 309.893426] ================================================================================ [ 310.036024] ================================================================================ [ 310.064059] UBSAN: Undefined behaviour in kernel/irq/settings.h:65:13 [ 310.088005] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 310.117351] which requires 64 byte alignment [ 310.134330] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 310.152144] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 310.193279] 00000000ffffffff 00000000b1a89c60 ffff88005c9df800 ffffffffb26ec5cc [ 310.223875] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 310.259497] ffffffff00000010 ffff88005c9df828 ffff88005c9df7d8 ffffffffb363c3e0 [ 310.297347] Call Trace: [ 310.307312] [] dump_stack+0xd7/0x132 [ 310.328072] [] ? arch_local_irq_restore+0x1b/0x1b [ 310.360618] [] ubsan_epilogue+0x12/0x53 [ 310.391665] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 310.413289] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 310.446347] [] irq_modify_status+0x1c8/0x32c [ 310.467833] [] ? handle_nested_irq+0x2a7/0x2a7 [ 310.489471] [] mp_register_handler+0x39/0x53 [ 310.513567] [] mp_irqdomain_alloc+0x75a/0x94f [ 310.545248] [] ? IO_APIC_get_PCI_irq_vector+0x53e/0x53e [ 310.573420] [] ? mutex_set_owner+0x8e/0xc6 [ 310.601518] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 310.630290] [] irq_domain_alloc_irqs_recursive+0x106/0x164 [ 310.662491] [] __irq_domain_alloc_irqs+0x414/0x6fc [ 310.686778] [] alloc_isa_irq_from_domain.isra.1+0x118/0x195 [ 310.732772] [] mp_map_pin_to_irq+0x4e6/0x757 [ 310.771337] [] ? acpi_get_override_irq+0x1b6/0x1b6 [ 310.803194] [] ? __irq_domain_add+0x2b4/0x2c4 [ 310.826336] [] ? mp_irqdomain_create+0x3a5/0x401 [ 310.853127] [] ? irq_get_chip_data+0x38/0x38 [ 310.875973] [] pin_2_irq+0xfb/0x107 [ 310.892166] [] setup_IO_APIC+0x35b/0xf54 [ 310.910617] [] ? ioapic_insert_resources+0x77/0x77 [ 310.935051] [] ? ioapic_read_entry+0xbc/0xd1 [ 310.958849] [] ? clear_IO_APIC_pin+0x165/0x1dc [ 310.978835] [] ? clear_IO_APIC+0x92/0xf6 [ 311.002518] [] ? apic_read+0x42/0x50 [ 311.023576] [] ? apic_read+0x42/0x50 [ 311.046652] [] ? paravirt_read_msr+0xb/0xf [ 311.070004] [] apic_bsp_setup+0xbf/0xd6 [ 311.089317] [] native_smp_prepare_cpus+0x483/0x52c [ 311.110118] [] kernel_init_freeable+0x1fa/0x518 [ 311.143624] [] ? balance_callback+0x3a/0x137 [ 311.168860] [] kernel_init+0x16/0x181 [ 311.193330] [] ret_from_fork+0x1f/0x40 [ 311.214681] [] ? rest_init+0x8f/0x8f [ 311.236436] ================================================================================ [ 311.282668] ================================================================================ [ 311.314253] UBSAN: Undefined behaviour in kernel/irq/settings.h:45:13 [ 311.338783] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 311.370914] which requires 64 byte alignment [ 311.388648] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 311.408885] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 311.451960] 00000000ffffffff 00000000b1a89c60 ffff88005c9df800 ffffffffb26ec5cc [ 311.504329] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 311.549828] ffffffff00000010 ffff88005c9df828 ffff88005c9df7d8 ffffffffb363c3e0 [ 311.600728] Call Trace: [ 311.616033] [] dump_stack+0xd7/0x132 [ 311.652039] [] ? arch_local_irq_restore+0x1b/0x1b [ 311.686720] [] ubsan_epilogue+0x12/0x53 [ 311.709717] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 311.735813] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 311.765281] [] irq_modify_status+0x201/0x32c [ 311.788830] [] ? handle_nested_irq+0x2a7/0x2a7 [ 311.817640] [] mp_register_handler+0x39/0x53 [ 311.836363] [] mp_irqdomain_alloc+0x75a/0x94f [ 311.860658] [] ? IO_APIC_get_PCI_irq_vector+0x53e/0x53e [ 311.887947] [] ? mutex_set_owner+0x8e/0xc6 [ 311.909421] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 311.936355] [] irq_domain_alloc_irqs_recursive+0x106/0x164 [ 311.969677] [] __irq_domain_alloc_irqs+0x414/0x6fc [ 311.992611] [] alloc_isa_irq_from_domain.isra.1+0x118/0x195 [ 312.022302] [] mp_map_pin_to_irq+0x4e6/0x757 [ 312.046933] [] ? acpi_get_override_irq+0x1b6/0x1b6 [ 312.071617] [] ? __irq_domain_add+0x2b4/0x2c4 [ 312.105378] [] ? mp_irqdomain_create+0x3a5/0x401 [ 312.148598] [] ? irq_get_chip_data+0x38/0x38 [ 312.185951] [] pin_2_irq+0xfb/0x107 [ 312.221044] [] setup_IO_APIC+0x35b/0xf54 [ 312.257810] [] ? ioapic_insert_resources+0x77/0x77 [ 312.295319] [] ? ioapic_read_entry+0xbc/0xd1 [ 312.337168] [] ? clear_IO_APIC_pin+0x165/0x1dc [ 312.362485] [] ? clear_IO_APIC+0x92/0xf6 [ 312.388848] [] ? apic_read+0x42/0x50 [ 312.418376] [] ? apic_read+0x42/0x50 [ 312.452990] [] ? paravirt_read_msr+0xb/0xf [ 312.479640] [] apic_bsp_setup+0xbf/0xd6 [ 312.497479] [] native_smp_prepare_cpus+0x483/0x52c [ 312.531341] [] kernel_init_freeable+0x1fa/0x518 [ 312.557616] [] ? balance_callback+0x3a/0x137 [ 312.577277] [] kernel_init+0x16/0x181 [ 312.598923] [] ret_from_fork+0x1f/0x40 [ 312.623154] [] ? rest_init+0x8f/0x8f [ 312.641677] ================================================================================ [ 312.673695] ================================================================================ [ 312.705063] UBSAN: Undefined behaviour in kernel/irq/settings.h:142:13 [ 312.735837] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 312.771132] which requires 64 byte alignment [ 312.792298] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 312.816166] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 312.854679] 00000000ffffffff 00000000b1a89c60 ffff88005c9df800 ffffffffb26ec5cc [ 312.888382] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 312.918899] ffffffff00000010 ffff88005c9df828 ffff88005c9df7d8 ffffffffb363c3e0 [ 312.950111] Call Trace: [ 312.959835] [] dump_stack+0xd7/0x132 [ 312.979167] [] ? arch_local_irq_restore+0x1b/0x1b [ 313.005112] [] ubsan_epilogue+0x12/0x53 [ 313.027716] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 313.051953] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 313.077838] [] irq_modify_status+0x242/0x32c [ 313.104190] [] ? handle_nested_irq+0x2a7/0x2a7 [ 313.126801] [] mp_register_handler+0x39/0x53 [ 313.154884] [] mp_irqdomain_alloc+0x75a/0x94f [ 313.183916] [] ? IO_APIC_get_PCI_irq_vector+0x53e/0x53e [ 313.211070] [] ? mutex_set_owner+0x8e/0xc6 [ 313.235193] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 313.258964] [] irq_domain_alloc_irqs_recursive+0x106/0x164 [ 313.291532] [] __irq_domain_alloc_irqs+0x414/0x6fc [ 313.320328] [] alloc_isa_irq_from_domain.isra.1+0x118/0x195 [ 313.352391] [] mp_map_pin_to_irq+0x4e6/0x757 [ 313.380875] [] ? acpi_get_override_irq+0x1b6/0x1b6 [ 313.407862] [] ? __irq_domain_add+0x2b4/0x2c4 [ 313.434249] [] ? mp_irqdomain_create+0x3a5/0x401 [ 313.459677] [] ? irq_get_chip_data+0x38/0x38 [ 313.482100] [] pin_2_irq+0xfb/0x107 [ 313.499219] [] setup_IO_APIC+0x35b/0xf54 [ 313.518549] [] ? ioapic_insert_resources+0x77/0x77 [ 313.550479] [] ? ioapic_read_entry+0xbc/0xd1 [ 313.576394] [] ? clear_IO_APIC_pin+0x165/0x1dc [ 313.598025] [] ? clear_IO_APIC+0x92/0xf6 [ 313.620431] [] ? apic_read+0x42/0x50 [ 313.647423] [] ? apic_read+0x42/0x50 [ 313.671105] [] ? paravirt_read_msr+0xb/0xf [ 313.695950] [] apic_bsp_setup+0xbf/0xd6 [ 313.716377] [] native_smp_prepare_cpus+0x483/0x52c [ 313.740749] [] kernel_init_freeable+0x1fa/0x518 [ 313.768091] [] ? balance_callback+0x3a/0x137 [ 313.788503] [] kernel_init+0x16/0x181 [ 313.822644] [] ret_from_fork+0x1f/0x40 [ 313.848681] [] ? rest_init+0x8f/0x8f [ 313.886192] ================================================================================ [ 313.917220] ================================================================================ [ 313.952171] UBSAN: Undefined behaviour in kernel/irq/settings.h:82:13 [ 313.976024] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 314.018951] which requires 64 byte alignment [ 314.038763] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 314.074506] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 314.138725] 00000000ffffffff 00000000b1a89c60 ffff88005c9df800 ffffffffb26ec5cc [ 314.187641] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 314.236195] ffffffff00000010 ffff88005c9df828 ffff88005c9df7d8 ffffffffb363c3e0 [ 314.290713] Call Trace: [ 314.306914] [] dump_stack+0xd7/0x132 [ 314.328598] [] ? arch_local_irq_restore+0x1b/0x1b [ 314.352474] [] ubsan_epilogue+0x12/0x53 [ 314.374453] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 314.403366] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 314.465824] [] irq_modify_status+0x283/0x32c [ 314.491840] [] ? handle_nested_irq+0x2a7/0x2a7 [ 314.517475] [] mp_register_handler+0x39/0x53 [ 314.539100] [] mp_irqdomain_alloc+0x75a/0x94f [ 314.557424] [] ? IO_APIC_get_PCI_irq_vector+0x53e/0x53e [ 314.583489] [] ? mutex_set_owner+0x8e/0xc6 [ 314.605514] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 314.635089] [] irq_domain_alloc_irqs_recursive+0x106/0x164 [ 314.680389] [] __irq_domain_alloc_irqs+0x414/0x6fc [ 314.704559] [] alloc_isa_irq_from_domain.isra.1+0x118/0x195 [ 314.730217] [] mp_map_pin_to_irq+0x4e6/0x757 [ 314.752322] [] ? acpi_get_override_irq+0x1b6/0x1b6 [ 314.793932] [] ? __irq_domain_add+0x2b4/0x2c4 [ 314.829881] [] ? mp_irqdomain_create+0x3a5/0x401 [ 314.892869] [] ? irq_get_chip_data+0x38/0x38 [ 314.917916] [] pin_2_irq+0xfb/0x107 [ 314.944377] [] setup_IO_APIC+0x35b/0xf54 [ 314.972012] [] ? ioapic_insert_resources+0x77/0x77 [ 315.002320] [] ? ioapic_read_entry+0xbc/0xd1 [ 315.031091] [] ? clear_IO_APIC_pin+0x165/0x1dc [ 315.071699] [] ? clear_IO_APIC+0x92/0xf6 [ 315.105418] [] ? apic_read+0x42/0x50 [ 315.126003] [] ? apic_read+0x42/0x50 [ 315.151546] [] ? paravirt_read_msr+0xb/0xf [ 315.184083] [] apic_bsp_setup+0xbf/0xd6 [ 315.202669] [] native_smp_prepare_cpus+0x483/0x52c [ 315.238153] [] kernel_init_freeable+0x1fa/0x518 [ 315.271442] [] ? balance_callback+0x3a/0x137 [ 315.310205] [] kernel_init+0x16/0x181 [ 315.368113] [] ret_from_fork+0x1f/0x40 [ 315.396788] [] ? rest_init+0x8f/0x8f [ 315.431744] ================================================================================ [ 315.472501] ================================================================================ [ 315.512483] UBSAN: Undefined behaviour in kernel/irq/settings.h:70:13 [ 315.536437] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 315.574266] which requires 64 byte alignment [ 315.593997] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 315.628378] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 315.667016] 00000000ffffffff 00000000b1a89c60 ffff88005c9df800 ffffffffb26ec5cc [ 315.709751] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 315.740143] ffffffff00000010 ffff88005c9df828 ffff88005c9df7d8 ffffffffb363c3e0 [ 315.769698] Call Trace: [ 315.779434] [] dump_stack+0xd7/0x132 [ 315.801923] [] ? arch_local_irq_restore+0x1b/0x1b [ 315.832197] [] ubsan_epilogue+0x12/0x53 [ 315.854139] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 315.884789] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 315.921213] [] irq_modify_status+0x2c4/0x32c [ 315.945998] [] ? handle_nested_irq+0x2a7/0x2a7 [ 315.968726] [] mp_register_handler+0x39/0x53 [ 315.992764] [] mp_irqdomain_alloc+0x75a/0x94f [ 316.016727] [] ? IO_APIC_get_PCI_irq_vector+0x53e/0x53e [ 316.045771] [] ? mutex_set_owner+0x8e/0xc6 [ 316.075369] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 316.111809] [] irq_domain_alloc_irqs_recursive+0x106/0x164 [ 316.142111] [] __irq_domain_alloc_irqs+0x414/0x6fc [ 316.164582] [] alloc_isa_irq_from_domain.isra.1+0x118/0x195 [ 316.197440] [] mp_map_pin_to_irq+0x4e6/0x757 [ 316.223647] [] ? acpi_get_override_irq+0x1b6/0x1b6 [ 316.253606] [] ? __irq_domain_add+0x2b4/0x2c4 [ 316.280315] [] ? mp_irqdomain_create+0x3a5/0x401 [ 316.318453] [] ? irq_get_chip_data+0x38/0x38 [ 316.357229] [] pin_2_irq+0xfb/0x107 [ 316.389358] [] setup_IO_APIC+0x35b/0xf54 [ 316.422278] [] ? ioapic_insert_resources+0x77/0x77 [ 316.475016] [] ? ioapic_read_entry+0xbc/0xd1 [ 316.516065] [] ? clear_IO_APIC_pin+0x165/0x1dc [ 316.542618] [] ? clear_IO_APIC+0x92/0xf6 [ 316.575094] [] ? apic_read+0x42/0x50 [ 316.599702] [] ? apic_read+0x42/0x50 [ 316.617304] [] ? paravirt_read_msr+0xb/0xf [ 316.643307] [] apic_bsp_setup+0xbf/0xd6 [ 316.659201] [] native_smp_prepare_cpus+0x483/0x52c [ 316.683268] [] kernel_init_freeable+0x1fa/0x518 [ 319.372654] [] ? balance_callback+0x3a/0x137 [ 319.400157] [] kernel_init+0x16/0x181 [ 319.425336] [] ret_from_fork+0x1f/0x40 [ 319.446692] [] ? rest_init+0x8f/0x8f [ 319.472156] ================================================================================ [ 319.518566] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 319.550970] ================================================================================ [ 319.591246] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 319.635894] load of misaligned address ffffffffb77ce744 for type 'volatile const long unsigned int' [ 319.677798] which requires 8 byte alignment [ 319.698329] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 319.721676] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 319.761248] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfcb8 ffffffffb26ec5cc [ 319.796707] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 319.829826] ffff880000000010 ffff88005c9dfce0 ffff88005c9dfc90 ffffffffb363c3e0 [ 319.864171] Call Trace: [ 319.873571] [] dump_stack+0xd7/0x132 [ 319.894074] [] ? arch_local_irq_restore+0x1b/0x1b [ 319.921445] [] ubsan_epilogue+0x12/0x53 [ 319.947042] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 319.973107] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 320.007659] [] setup_boot_APIC_clock+0xfd/0x829 [ 320.033230] [] ? clear_IO_APIC_pin+0x165/0x1dc [ 320.056760] [] ? apic_set_eoi_write+0xe4/0xe4 [ 320.076989] [] ? clear_IO_APIC+0x92/0xf6 [ 320.104596] [] ? apic_read+0x42/0x50 [ 320.125194] [] ? apic_read+0x42/0x50 [ 320.154573] [] ? paravirt_read_msr+0xb/0xf [ 320.177443] [] apic_bsp_setup+0xd1/0xd6 [ 320.202770] [] native_smp_prepare_cpus+0x483/0x52c [ 320.228938] [] kernel_init_freeable+0x1fa/0x518 [ 320.253491] [] ? balance_callback+0x3a/0x137 [ 320.277479] [] kernel_init+0x16/0x181 [ 320.296592] [] ret_from_fork+0x1f/0x40 [ 320.321449] [] ? rest_init+0x8f/0x8f [ 320.343573] ================================================================================ [ 320.382927] ================================================================================ [ 320.418139] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 320.454109] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 320.491377] which requires 8 byte alignment [ 320.507603] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 320.533052] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 320.579267] 00000000ffffffff 00000000b1a89c60 ffff88005d407cf0 ffffffffb26ec5cc [ 320.609102] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 320.640133] 0000000000000010 ffff88005d407d18 ffff88005d407cc8 ffffffffb363c3e0 [ 320.668954] Call Trace: [ 320.678662] [] dump_stack+0xd7/0x132 [ 320.698539] [] ? arch_local_irq_restore+0x1b/0x1b [ 320.731344] [] ubsan_epilogue+0x12/0x53 [ 320.751829] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 320.783447] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 320.811538] [] ? is_valid_bugaddr+0x68/0x68 [ 320.837142] [] lapic_cal_handler+0x5f/0x13d [ 320.864613] [] ? is_valid_bugaddr+0x68/0x68 [ 320.886719] [] timer_interrupt+0x43/0x4b [ 320.907480] [] __handle_irq_event_percpu+0x155/0x4d7 [ 320.933444] [] ? note_interrupt+0xc4/0x77f [ 320.956009] [] handle_irq_event_percpu+0x78/0x130 [ 320.985061] [] ? __handle_irq_event_percpu+0x4d7/0x4d7 [ 321.012062] [] ? paravirt_write_msr+0xf/0x13 [ 321.036014] [] ? native_apic_msr_write+0x29/0x2b [ 321.062422] [] handle_irq_event+0xff/0x185 [ 321.090433] [] handle_edge_irq+0x2e7/0x341 [ 321.118851] [] handle_irq+0x3f/0x47 [ 321.148563] [] do_IRQ+0x8a/0x110 [ 321.172156] [] ? tick_periodic+0x154/0x154 [ 321.208052] [] ? apic_set_disabled_cpu_apicid+0x2d/0x2d [ 321.246421] [] common_interrupt+0x82/0x82 [ 321.270198] [] ? apic_set_disabled_cpu_apicid+0x2d/0x2d [ 321.305512] [] ? tick_periodic+0x154/0x154 [ 321.330423] [] ? setup_boot_APIC_clock+0x25a/0x829 [ 321.355714] [] ? apic_set_disabled_cpu_apicid+0x2d/0x2d [ 321.383601] [] ? clear_IO_APIC_pin+0x165/0x1dc [ 321.408793] [] ? apic_set_eoi_write+0xe4/0xe4 [ 321.435574] [] ? clear_IO_APIC+0x92/0xf6 [ 321.462114] [] ? apic_read+0x42/0x50 [ 321.487796] [] ? apic_read+0x42/0x50 [ 321.515947] [] ? paravirt_read_msr+0xb/0xf [ 321.545971] [] apic_bsp_setup+0xd1/0xd6 [ 321.571096] [] native_smp_prepare_cpus+0x483/0x52c [ 321.594286] [] kernel_init_freeable+0x1fa/0x518 [ 321.620767] [] ? balance_callback+0x3a/0x137 [ 321.646253] [] kernel_init+0x16/0x181 [ 321.665815] [] ret_from_fork+0x1f/0x40 [ 321.687437] [] ? rest_init+0x8f/0x8f [ 321.708000] ================================================================================ [ 321.839717] APIC calibration not consistent with PM-Timer: 98ms instead of 100ms [ 321.868369] APIC delta adjusted to PM-Timer: 6248061 (6172028) [ 321.890804] ================================================================================ [ 321.925182] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 321.953013] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 321.995330] which requires 8 byte alignment [ 322.014862] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 322.039042] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 322.077080] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfcb8 ffffffffb26ec5cc [ 322.109952] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 322.146327] 0000000000000010 ffff88005c9dfce0 ffff88005c9dfc90 ffffffffb363c3e0 [ 322.176568] Call Trace: [ 322.188170] [] dump_stack+0xd7/0x132 [ 322.210778] [] ? arch_local_irq_restore+0x1b/0x1b [ 322.234600] [] ubsan_epilogue+0x12/0x53 [ 322.258726] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 322.286750] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 322.317647] [] setup_boot_APIC_clock+0x403/0x829 [ 322.348215] [] ? apic_set_disabled_cpu_apicid+0x2d/0x2d [ 322.373801] [] ? apic_set_eoi_write+0xe4/0xe4 [ 322.396580] [] ? clear_IO_APIC+0x92/0xf6 [ 322.420101] [] ? apic_read+0x42/0x50 [ 322.441552] [] ? apic_read+0x42/0x50 [ 322.463048] [] ? paravirt_read_msr+0xb/0xf [ 322.484659] [] apic_bsp_setup+0xd1/0xd6 [ 322.512192] [] native_smp_prepare_cpus+0x483/0x52c [ 322.538626] [] kernel_init_freeable+0x1fa/0x518 [ 322.568588] [] ? balance_callback+0x3a/0x137 [ 322.591040] [] kernel_init+0x16/0x181 [ 322.613527] [] ret_from_fork+0x1f/0x40 [ 322.638735] [] ? rest_init+0x8f/0x8f [ 322.662369] ================================================================================ [ 322.692110] ================================================================================ [ 322.732207] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 322.759933] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 322.802524] which requires 8 byte alignment [ 322.821615] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 322.846519] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 322.882895] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfcb8 ffffffffb26ec5cc [ 322.910407] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 322.943762] 0000000000000010 ffff88005c9dfce0 ffff88005c9dfc90 ffffffffb363c3e0 [ 322.975090] Call Trace: [ 322.985164] [] dump_stack+0xd7/0x132 [ 323.009170] [] ? arch_local_irq_restore+0x1b/0x1b [ 323.038423] [] ubsan_epilogue+0x12/0x53 [ 323.058714] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 323.086666] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 323.113372] [] ? cev_delta2ns+0x279/0x29e [ 323.137970] [] setup_boot_APIC_clock+0x590/0x829 [ 323.165287] [] ? apic_set_disabled_cpu_apicid+0x2d/0x2d [ 323.192933] [] ? apic_set_eoi_write+0xe4/0xe4 [ 323.217576] [] ? clear_IO_APIC+0x92/0xf6 [ 323.245174] [] ? apic_read+0x42/0x50 [ 323.268251] [] ? apic_read+0x42/0x50 [ 323.293306] [] ? paravirt_read_msr+0xb/0xf [ 323.317325] [] apic_bsp_setup+0xd1/0xd6 [ 323.342300] [] native_smp_prepare_cpus+0x483/0x52c [ 323.369587] [] kernel_init_freeable+0x1fa/0x518 [ 323.396021] [] ? balance_callback+0x3a/0x137 [ 323.420867] [] kernel_init+0x16/0x181 [ 323.444836] [] ret_from_fork+0x1f/0x40 [ 323.467703] [] ? rest_init+0x8f/0x8f [ 323.491283] ================================================================================ [ 323.525018] smpboot: CPU0: Intel QEMU Virtual CPU version 2.5+ (family: 0x6, model: 0x6, stepping: 0x3) [ 323.562295] Performance Events: [ 323.573580] ================================================================================ [ 323.607869] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 323.635693] load of misaligned address ffffffffb77ce73c for type 'volatile const long unsigned int' [ 323.671257] which requires 8 byte alignment [ 323.688614] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 323.709370] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 323.747285] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa90 ffffffffb26ec5cc [ 323.784605] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 323.812560] ffffffff00000010 ffff88005c9dfab8 ffff88005c9dfa68 ffffffffb363c3e0 [ 323.845197] Call Trace: [ 323.854825] [] dump_stack+0xd7/0x132 [ 323.879275] [] ? arch_local_irq_restore+0x1b/0x1b [ 323.908364] [] ubsan_epilogue+0x12/0x53 [ 323.934258] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 323.965690] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 323.998434] [] intel_pmu_init+0xca/0x1e8b [ 324.019726] [] ? intel_sandybridge_quirk+0x27/0x27 [ 324.049535] [] ? vprintk_default+0x65/0x6e [ 324.074653] [] ? printk+0xc2/0xe9 [ 324.093161] [] ? power_down+0x109/0x109 [ 324.117574] [] ? merge_attr+0x319/0x319 [ 324.146355] [] init_hw_perf_events+0xd5/0xae4 [ 324.169680] [] ? merge_attr+0x319/0x319 [ 324.192749] [] ? vprintk_emit+0x636/0x647 [ 324.213673] [] ? print_cpu_msr+0xa7/0x1ec [ 324.239480] [] ? vprintk_default+0x65/0x6e [ 324.264939] [] ? identify_secondary_cpu+0x27/0x27 [ 324.294538] [] ? merge_attr+0x319/0x319 [ 324.314274] [] do_one_initcall+0x16d/0x258 [ 324.340352] [] ? initcall_blacklisted+0x198/0x198 [ 324.369430] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 324.393772] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 324.421932] [] kernel_init_freeable+0x231/0x518 [ 324.447544] [] ? balance_callback+0x3a/0x137 [ 324.474590] [] kernel_init+0x16/0x181 [ 324.499362] [] ret_from_fork+0x1f/0x40 [ 324.518288] [] ? rest_init+0x8f/0x8f [ 324.541709] ================================================================================ [ 324.580547] ================================================================================ [ 324.617640] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 324.646681] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 324.687652] which requires 8 byte alignment [ 324.707712] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 324.733745] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 324.774706] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbf8 ffffffffb26ec5cc [ 324.808477] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 324.837651] 0000000000000010 ffff88005c9dfc20 ffff88005c9dfbd0 ffffffffb363c3e0 [ 324.865727] Call Trace: [ 324.878504] [] dump_stack+0xd7/0x132 [ 324.901152] [] ? arch_local_irq_restore+0x1b/0x1b [ 324.927055] [] ubsan_epilogue+0x12/0x53 [ 324.952270] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 324.981874] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 325.034350] [] ? merge_attr+0x319/0x319 [ 325.065003] [] init_hw_perf_events+0x123/0xae4 [ 325.093790] [] ? merge_attr+0x319/0x319 [ 325.117603] [] ? vprintk_emit+0x636/0x647 [ 325.145303] [] ? print_cpu_msr+0xa7/0x1ec [ 325.169438] [] ? vprintk_default+0x65/0x6e [ 325.190524] [] ? identify_secondary_cpu+0x27/0x27 [ 325.220126] [] ? merge_attr+0x319/0x319 [ 325.246614] [] do_one_initcall+0x16d/0x258 [ 325.271863] [] ? initcall_blacklisted+0x198/0x198 [ 325.298280] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 325.329686] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 325.364887] [] kernel_init_freeable+0x231/0x518 [ 325.390901] [] ? balance_callback+0x3a/0x137 [ 325.417870] [] kernel_init+0x16/0x181 [ 325.441177] [] ret_from_fork+0x1f/0x40 [ 325.464103] [] ? rest_init+0x8f/0x8f [ 325.485031] ================================================================================ [ 325.525250] ================================================================================ [ 325.559589] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 325.589524] load of misaligned address ffffffffb77ce744 for type 'volatile const long unsigned int' [ 325.629168] which requires 8 byte alignment [ 325.646764] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 325.669698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 325.709252] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbf8 ffffffffb26ec5cc [ 325.735501] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 325.767250] ffffffff00000010 ffff88005c9dfc20 ffff88005c9dfbd0 ffffffffb363c3e0 [ 325.793554] Call Trace: [ 325.804677] [] dump_stack+0xd7/0x132 [ 325.821218] [] ? arch_local_irq_restore+0x1b/0x1b [ 325.850841] [] ubsan_epilogue+0x12/0x53 [ 325.872660] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 325.897674] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 325.930213] [] init_hw_perf_events+0x45e/0xae4 [ 325.956594] [] ? merge_attr+0x319/0x319 [ 325.977620] [] ? vprintk_emit+0x636/0x647 [ 326.002350] [] ? print_cpu_msr+0xa7/0x1ec [ 326.027031] [] ? vprintk_default+0x65/0x6e [ 326.048879] [] ? identify_secondary_cpu+0x27/0x27 [ 326.074117] [] ? merge_attr+0x319/0x319 [ 326.094403] [] do_one_initcall+0x16d/0x258 [ 326.116543] [] ? initcall_blacklisted+0x198/0x198 [ 326.143560] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 326.169954] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 326.193462] [] kernel_init_freeable+0x231/0x518 [ 326.216821] [] ? balance_callback+0x3a/0x137 [ 326.245102] [] kernel_init+0x16/0x181 [ 326.265263] [] ret_from_fork+0x1f/0x40 [ 326.289285] [] ? rest_init+0x8f/0x8f [ 326.311938] ================================================================================ [ 326.347439] PMU not available due to virtualization, using software events only. [ 326.378419] ================================================================================ [ 326.413639] UBSAN: Undefined behaviour in arch/x86/realmode/init.c:73:8 [ 326.438931] store to misaligned address ffff88000009a1d5 for type 'u16' [ 326.466599] which requires 2 byte alignment [ 326.483977] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 326.506398] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 326.548930] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfcf0 ffffffffb26ec5cc [ 326.578516] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 326.609348] 0000000000000010 ffff88005c9dfd18 ffff88005c9dfcc8 ffffffffb363c3e0 [ 326.640232] Call Trace: [ 326.650188] [] dump_stack+0xd7/0x132 [ 326.670901] [] ? arch_local_irq_restore+0x1b/0x1b [ 326.698093] [] ubsan_epilogue+0x12/0x53 [ 326.723908] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 326.751521] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 326.777035] [] init_real_mode+0x15f/0x446 [ 326.803269] [] ? xen_efi_init+0xd9/0xd9 [ 326.827290] [] do_one_initcall+0x16d/0x258 [ 326.853440] [] ? initcall_blacklisted+0x198/0x198 [ 326.879753] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 326.909333] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 326.933686] [] kernel_init_freeable+0x231/0x518 [ 326.962844] [] ? balance_callback+0x3a/0x137 [ 326.985958] [] kernel_init+0x16/0x181 [ 327.007102] [] ret_from_fork+0x1f/0x40 [ 327.030091] [] ? rest_init+0x8f/0x8f [ 327.049906] ================================================================================ [ 327.083141] ================================================================================ [ 327.117437] UBSAN: Undefined behaviour in arch/x86/realmode/init.c:80:8 [ 327.143886] load of misaligned address ffff880000099032 for type 'u32' [ 327.170126] which requires 4 byte alignment [ 327.187160] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 327.214282] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 327.258498] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfcf0 ffffffffb26ec5cc [ 327.289751] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 327.317550] ffff880000000010 ffff88005c9dfd18 ffff88005c9dfcc8 ffffffffb363c3e0 [ 327.350474] Call Trace: [ 327.363359] [] dump_stack+0xd7/0x132 [ 327.386129] [] ? arch_local_irq_restore+0x1b/0x1b [ 327.411702] [] ubsan_epilogue+0x12/0x53 [ 327.436235] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 327.468373] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 327.501704] [] init_real_mode+0x1f0/0x446 [ 327.526815] [] ? xen_efi_init+0xd9/0xd9 [ 327.551539] [] do_one_initcall+0x16d/0x258 [ 327.572402] [] ? initcall_blacklisted+0x198/0x198 [ 327.599397] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 327.624660] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 327.655083] [] kernel_init_freeable+0x231/0x518 [ 327.680310] [] ? balance_callback+0x3a/0x137 [ 327.707987] [] kernel_init+0x16/0x181 [ 327.732188] [] ret_from_fork+0x1f/0x40 [ 327.757151] [] ? rest_init+0x8f/0x8f [ 327.780196] ================================================================================ [ 327.816195] ================================================================================ [ 327.864727] UBSAN: Undefined behaviour in arch/x86/realmode/init.c:80:8 [ 327.892274] store to misaligned address ffff880000099032 for type 'u32' [ 327.921088] which requires 4 byte alignment [ 327.938139] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 327.965672] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 328.005659] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfcf0 ffffffffb26ec5cc [ 328.032516] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 328.063423] ffff880000000010 ffff88005c9dfd18 ffff88005c9dfcc8 ffffffffb363c3e0 [ 328.089295] Call Trace: [ 328.097459] [] dump_stack+0xd7/0x132 [ 328.118826] [] ? arch_local_irq_restore+0x1b/0x1b [ 328.148371] [] ubsan_epilogue+0x12/0x53 [ 328.169556] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 328.194786] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 328.223722] [] init_real_mode+0x214/0x446 [ 328.246313] [] ? xen_efi_init+0xd9/0xd9 [ 328.270130] [] do_one_initcall+0x16d/0x258 [ 328.290693] [] ? initcall_blacklisted+0x198/0x198 [ 328.314333] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 328.341234] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 328.369690] [] kernel_init_freeable+0x231/0x518 [ 328.393027] [] ? balance_callback+0x3a/0x137 [ 328.416500] [] kernel_init+0x16/0x181 [ 328.439919] [] ret_from_fork+0x1f/0x40 [ 328.462715] [] ? rest_init+0x8f/0x8f [ 328.485858] ================================================================================ [ 328.518171] ================================================================================ [ 328.555260] UBSAN: Undefined behaviour in kernel/workqueue.c:3932:12 [ 328.588991] member access within misaligned address ffff88005d13aed8 for type 'struct workqueue_struct' [ 328.635459] which requires 64 byte alignment [ 328.653289] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 328.676617] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 328.711877] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab0 ffffffffb26ec5cc [ 328.739586] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 328.765180] ffff880000000010 ffff88005c9dfad8 ffff88005c9dfa88 ffffffffb363c3e0 [ 328.789915] Call Trace: [ 328.798277] [] dump_stack+0xd7/0x132 [ 328.819440] [] ? arch_local_irq_restore+0x1b/0x1b [ 328.845781] [] ubsan_epilogue+0x12/0x53 [ 328.868710] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 328.897058] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 328.925430] [] __alloc_workqueue_key+0x240/0xbf8 [ 328.948432] [] ? kasan_unpoison_shadow+0x14/0x35 [ 328.972654] [] ? workqueue_sysfs_register+0x305/0x305 [ 328.995709] [] ? kasan_poison_shadow+0x2f/0x31 [ 329.019167] [] ? kasan_unpoison_shadow+0x14/0x35 [ 329.045974] [] ? kasan_kmalloc+0x94/0xa3 [ 329.070723] [] ? __kmalloc+0x2c1/0x2e7 [ 329.094365] [] ? memcpy+0x45/0x4c [ 329.114470] [] init_workqueues+0xc2d/0xddf [ 329.140952] [] ? wq_sysfs_init+0x41/0x41 [ 329.166586] [] ? put_online_cpus+0xb1/0xb4 [ 329.190983] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 329.224166] [] ? wq_sysfs_init+0x41/0x41 [ 329.243440] [] do_one_initcall+0x16d/0x258 [ 329.266818] [] ? initcall_blacklisted+0x198/0x198 [ 329.293043] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 329.316345] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 329.342821] [] kernel_init_freeable+0x231/0x518 [ 329.368218] [] ? balance_callback+0x3a/0x137 [ 329.389667] [] kernel_init+0x16/0x181 [ 329.411916] [] ret_from_fork+0x1f/0x40 [ 329.432614] [] ? rest_init+0x8f/0x8f [ 329.452250] ================================================================================ [ 329.486543] ================================================================================ [ 329.522137] UBSAN: Undefined behaviour in kernel/workqueue.c:3933:23 [ 329.592486] member access within misaligned address ffff88005d13aed8 for type 'struct workqueue_struct' [ 329.636667] which requires 64 byte alignment [ 329.667060] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 329.691978] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 329.728805] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab0 ffffffffb26ec5cc [ 329.761260] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 329.792954] ffff880000000010 ffff88005c9dfad8 ffff88005c9dfa88 ffffffffb363c3e0 [ 329.820756] Call Trace: [ 329.831624] [] dump_stack+0xd7/0x132 [ 329.856192] [] ? arch_local_irq_restore+0x1b/0x1b [ 329.882499] [] ubsan_epilogue+0x12/0x53 [ 329.904827] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 329.932512] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 329.965129] [] __alloc_workqueue_key+0x27b/0xbf8 [ 329.987536] [] ? kasan_unpoison_shadow+0x14/0x35 [ 330.015159] [] ? workqueue_sysfs_register+0x305/0x305 [ 330.046335] [] ? kasan_poison_shadow+0x2f/0x31 [ 330.069035] [] ? kasan_unpoison_shadow+0x14/0x35 [ 330.090760] [] ? kasan_kmalloc+0x94/0xa3 [ 330.114576] [] ? __kmalloc+0x2c1/0x2e7 [ 330.134949] [] ? memcpy+0x45/0x4c [ 330.157771] [] init_workqueues+0xc2d/0xddf [ 330.184829] [] ? wq_sysfs_init+0x41/0x41 [ 330.210754] [] ? put_online_cpus+0xb1/0xb4 [ 330.233225] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 330.267233] [] ? wq_sysfs_init+0x41/0x41 [ 330.291400] [] do_one_initcall+0x16d/0x258 [ 330.315324] [] ? initcall_blacklisted+0x198/0x198 [ 330.343092] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 330.375367] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 330.402328] [] kernel_init_freeable+0x231/0x518 [ 330.428976] [] ? balance_callback+0x3a/0x137 [ 330.450133] [] kernel_init+0x16/0x181 [ 330.473716] [] ret_from_fork+0x1f/0x40 [ 330.496241] [] ? rest_init+0x8f/0x8f [ 330.516604] ================================================================================ [ 330.556219] ================================================================================ [ 330.592632] UBSAN: Undefined behaviour in kernel/workqueue.c:3850:19 [ 330.619105] member access within misaligned address ffff88005d13aed8 for type 'struct workqueue_struct' [ 330.663853] which requires 64 byte alignment [ 330.684667] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 330.710468] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 330.747370] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab0 ffffffffb26ec5cc [ 330.778267] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 330.809183] ffff880000000010 ffff88005c9dfad8 ffff88005c9dfa88 ffffffffb363c3e0 [ 330.839591] Call Trace: [ 330.848205] [] dump_stack+0xd7/0x132 [ 330.869695] [] ? arch_local_irq_restore+0x1b/0x1b [ 330.895764] [] ubsan_epilogue+0x12/0x53 [ 330.921657] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 330.948274] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 330.977435] [] __alloc_workqueue_key+0x4bf/0xbf8 [ 331.001543] [] ? kasan_unpoison_shadow+0x14/0x35 [ 331.026795] [] ? workqueue_sysfs_register+0x305/0x305 [ 331.049985] [] ? kasan_poison_shadow+0x2f/0x31 [ 331.073462] [] ? kasan_unpoison_shadow+0x14/0x35 [ 331.093697] [] ? kasan_kmalloc+0x94/0xa3 [ 331.115219] [] ? __kmalloc+0x2c1/0x2e7 [ 331.139789] [] ? memcpy+0x45/0x4c [ 331.159804] [] init_workqueues+0xc2d/0xddf [ 331.184618] [] ? wq_sysfs_init+0x41/0x41 [ 331.204102] [] ? put_online_cpus+0xb1/0xb4 [ 331.227225] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 331.270154] [] ? wq_sysfs_init+0x41/0x41 [ 331.303255] [] do_one_initcall+0x16d/0x258 [ 331.332554] [] ? initcall_blacklisted+0x198/0x198 [ 331.357845] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 331.384551] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 331.417846] [] kernel_init_freeable+0x231/0x518 [ 331.449172] [] ? balance_callback+0x3a/0x137 [ 331.473210] [] kernel_init+0x16/0x181 [ 331.497177] [] ret_from_fork+0x1f/0x40 [ 331.525664] [] ? rest_init+0x8f/0x8f [ 331.547392] ================================================================================ [ 331.581362] ================================================================================ [ 331.607825] UBSAN: Undefined behaviour in kernel/workqueue.c:3853:10 [ 331.631299] member access within misaligned address ffff88005d13aed8 for type 'struct workqueue_struct' [ 331.664784] which requires 64 byte alignment [ 331.678048] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 331.696580] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 331.728195] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab0 ffffffffb26ec5cc [ 331.758117] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 331.785429] ffff880000000010 ffff88005c9dfad8 ffff88005c9dfa88 ffffffffb363c3e0 [ 331.809832] Call Trace: [ 331.818715] [] dump_stack+0xd7/0x132 [ 331.837836] [] ? arch_local_irq_restore+0x1b/0x1b [ 331.860510] [] ubsan_epilogue+0x12/0x53 [ 331.882130] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 331.904878] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 331.930192] [] __alloc_workqueue_key+0x4f6/0xbf8 [ 331.952653] [] ? kasan_unpoison_shadow+0x14/0x35 [ 331.974025] [] ? workqueue_sysfs_register+0x305/0x305 [ 331.998388] [] ? kasan_poison_shadow+0x2f/0x31 [ 332.017602] [] ? kasan_unpoison_shadow+0x14/0x35 [ 332.043791] [] ? kasan_kmalloc+0x94/0xa3 [ 332.061580] [] ? __kmalloc+0x2c1/0x2e7 [ 332.079066] [] ? memcpy+0x45/0x4c [ 332.096052] [] init_workqueues+0xc2d/0xddf [ 332.119787] [] ? wq_sysfs_init+0x41/0x41 [ 332.136748] [] ? put_online_cpus+0xb1/0xb4 [ 332.157289] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 332.184326] [] ? wq_sysfs_init+0x41/0x41 [ 332.204391] [] do_one_initcall+0x16d/0x258 [ 332.222165] [] ? initcall_blacklisted+0x198/0x198 [ 332.243633] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 332.268497] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 332.289423] [] kernel_init_freeable+0x231/0x518 [ 332.311879] [] ? balance_callback+0x3a/0x137 [ 332.331426] [] kernel_init+0x16/0x181 [ 332.352235] [] ret_from_fork+0x1f/0x40 [ 332.370253] [] ? rest_init+0x8f/0x8f [ 332.387872] ================================================================================ [ 332.418531] ================================================================================ [ 332.450517] UBSAN: Undefined behaviour in kernel/workqueue.c:3854:16 [ 332.470886] member access within misaligned address ffff88005d13aed8 for type 'struct workqueue_struct' [ 332.503313] which requires 64 byte alignment [ 332.516317] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 332.541075] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 332.573076] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab0 ffffffffb26ec5cc [ 332.599721] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 332.627582] ffffffff00000010 ffff88005c9dfad8 ffff88005c9dfa88 ffffffffb363c3e0 [ 332.660610] Call Trace: [ 332.668990] [] dump_stack+0xd7/0x132 [ 332.687661] [] ? arch_local_irq_restore+0x1b/0x1b [ 332.708791] [] ubsan_epilogue+0x12/0x53 [ 332.731748] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 332.755271] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 332.783055] [] __alloc_workqueue_key+0x530/0xbf8 [ 332.804736] [] ? kasan_unpoison_shadow+0x14/0x35 [ 332.827534] [] ? workqueue_sysfs_register+0x305/0x305 [ 332.851499] [] ? kasan_poison_shadow+0x2f/0x31 [ 332.872450] [] ? kasan_unpoison_shadow+0x14/0x35 [ 332.895545] [] ? kasan_kmalloc+0x94/0xa3 [ 332.913139] [] ? __kmalloc+0x2c1/0x2e7 [ 332.932663] [] ? memcpy+0x45/0x4c [ 332.952412] [] init_workqueues+0xc2d/0xddf [ 332.968987] [] ? wq_sysfs_init+0x41/0x41 [ 332.988190] [] ? put_online_cpus+0xb1/0xb4 [ 333.007915] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 333.035929] [] ? wq_sysfs_init+0x41/0x41 [ 333.056202] [] do_one_initcall+0x16d/0x258 [ 333.076977] [] ? initcall_blacklisted+0x198/0x198 [ 333.098145] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 333.121609] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 333.140845] [] kernel_init_freeable+0x231/0x518 [ 333.165014] [] ? balance_callback+0x3a/0x137 [ 333.186250] [] kernel_init+0x16/0x181 [ 333.206054] [] ret_from_fork+0x1f/0x40 [ 333.224358] [] ? rest_init+0x8f/0x8f [ 333.238865] ================================================================================ [ 333.267068] ================================================================================ [ 333.300974] UBSAN: Undefined behaviour in kernel/workqueue.c:3855:10 [ 333.324272] member access within misaligned address ffff88005d13aed8 for type 'struct workqueue_struct' [ 333.359143] which requires 64 byte alignment [ 333.372181] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 333.394075] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 333.428407] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab0 ffffffffb26ec5cc [ 333.453287] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 333.481256] ffff880000000010 ffff88005c9dfad8 ffff88005c9dfa88 ffffffffb363c3e0 [ 333.504159] Call Trace: [ 333.511766] [] dump_stack+0xd7/0x132 [ 333.529313] [] ? arch_local_irq_restore+0x1b/0x1b [ 333.549103] [] ubsan_epilogue+0x12/0x53 [ 333.570752] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 333.595328] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 333.616983] [] __alloc_workqueue_key+0x566/0xbf8 [ 333.639488] [] ? kasan_unpoison_shadow+0x14/0x35 [ 333.659444] [] ? workqueue_sysfs_register+0x305/0x305 [ 333.682165] [] ? kasan_poison_shadow+0x2f/0x31 [ 333.701799] [] ? kasan_unpoison_shadow+0x14/0x35 [ 333.725989] [] ? kasan_kmalloc+0x94/0xa3 [ 333.743937] [] ? __kmalloc+0x2c1/0x2e7 [ 333.761560] [] ? memcpy+0x45/0x4c [ 333.776863] [] init_workqueues+0xc2d/0xddf [ 333.794914] [] ? wq_sysfs_init+0x41/0x41 [ 333.814194] [] ? put_online_cpus+0xb1/0xb4 [ 333.836258] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 333.863267] [] ? wq_sysfs_init+0x41/0x41 [ 333.884648] [] do_one_initcall+0x16d/0x258 [ 333.903656] [] ? initcall_blacklisted+0x198/0x198 [ 333.921866] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 333.944824] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 333.967058] [] kernel_init_freeable+0x231/0x518 [ 333.987089] [] ? balance_callback+0x3a/0x137 [ 334.007039] [] kernel_init+0x16/0x181 [ 334.026670] [] ret_from_fork+0x1f/0x40 [ 334.046833] [] ? rest_init+0x8f/0x8f [ 334.063916] ================================================================================ [ 334.094845] ================================================================================ [ 334.126975] UBSAN: Undefined behaviour in kernel/workqueue.c:3860:5 [ 334.146708] member access within misaligned address ffff88005d13aed8 for type 'struct workqueue_struct' [ 334.178694] which requires 64 byte alignment [ 334.192147] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 334.210458] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 334.243293] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab0 ffffffffb26ec5cc [ 334.266148] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 334.292592] ffff880000000010 ffff88005c9dfad8 ffff88005c9dfa88 ffffffffb363c3e0 [ 334.316775] Call Trace: [ 334.325172] [] dump_stack+0xd7/0x132 [ 334.341227] [] ? arch_local_irq_restore+0x1b/0x1b [ 334.365701] [] ubsan_epilogue+0x12/0x53 [ 334.383405] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 334.404264] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 334.429514] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 334.452243] [] __alloc_workqueue_key+0x626/0xbf8 [ 334.472684] [] ? kasan_unpoison_shadow+0x14/0x35 [ 334.494697] [] ? workqueue_sysfs_register+0x305/0x305 [ 334.518125] [] ? kasan_poison_shadow+0x2f/0x31 [ 334.541441] [] ? kasan_unpoison_shadow+0x14/0x35 [ 334.564797] [] ? kasan_kmalloc+0x94/0xa3 [ 334.584341] [] ? __kmalloc+0x2c1/0x2e7 [ 334.600190] [] ? memcpy+0x45/0x4c [ 334.618609] [] init_workqueues+0xc2d/0xddf [ 334.638138] [] ? wq_sysfs_init+0x41/0x41 [ 334.659187] [] ? put_online_cpus+0xb1/0xb4 [ 334.680372] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 334.708390] [] ? wq_sysfs_init+0x41/0x41 [ 334.728636] [] do_one_initcall+0x16d/0x258 [ 334.749307] [] ? initcall_blacklisted+0x198/0x198 [ 334.767559] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 334.792932] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 334.813850] [] kernel_init_freeable+0x231/0x518 [ 334.835703] [] ? balance_callback+0x3a/0x137 [ 334.855648] [] kernel_init+0x16/0x181 [ 334.871843] [] ret_from_fork+0x1f/0x40 [ 334.890150] [] ? rest_init+0x8f/0x8f [ 334.911515] ================================================================================ [ 334.938801] ================================================================================ [ 334.969518] UBSAN: Undefined behaviour in kernel/workqueue.c:3484:22 [ 334.994698] member access within misaligned address ffff88005d13aed8 for type 'struct workqueue_struct' [ 335.031159] which requires 64 byte alignment [ 335.052741] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 335.075706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 335.109589] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa80 ffffffffb26ec5cc [ 335.133976] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 335.158517] fffffbff00000010 ffff88005c9dfaa8 ffff88005c9dfa58 ffffffffb363c3e0 [ 335.185436] Call Trace: [ 335.193564] [] dump_stack+0xd7/0x132 [ 335.211429] [] ? arch_local_irq_restore+0x1b/0x1b [ 335.234238] [] ubsan_epilogue+0x12/0x53 [ 335.253543] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 335.278850] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 335.302537] [] ? mutex_set_owner+0x8e/0xc6 [ 335.320244] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 335.344451] [] link_pwq+0x8f/0x10a [ 335.361075] [] __alloc_workqueue_key+0x71c/0xbf8 [ 335.382607] [] ? workqueue_sysfs_register+0x305/0x305 [ 335.405570] [] ? kasan_poison_shadow+0x2f/0x31 [ 335.428246] [] ? kasan_unpoison_shadow+0x14/0x35 [ 335.447340] [] ? kasan_kmalloc+0x94/0xa3 [ 335.467128] [] ? __kmalloc+0x2c1/0x2e7 [ 335.486762] [] ? memcpy+0x45/0x4c [ 335.506409] [] init_workqueues+0xc2d/0xddf [ 335.527167] [] ? wq_sysfs_init+0x41/0x41 [ 335.544402] [] ? put_online_cpus+0xb1/0xb4 [ 335.564105] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 335.599407] [] ? wq_sysfs_init+0x41/0x41 [ 335.619160] [] do_one_initcall+0x16d/0x258 [ 335.636279] [] ? initcall_blacklisted+0x198/0x198 [ 335.659559] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 335.681623] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 335.703500] [] kernel_init_freeable+0x231/0x518 [ 335.722756] [] ? balance_callback+0x3a/0x137 [ 335.741066] [] kernel_init+0x16/0x181 [ 335.766482] [] ret_from_fork+0x1f/0x40 [ 335.786961] [] ? rest_init+0x8f/0x8f [ 335.804192] ================================================================================ [ 335.831504] ================================================================================ [ 335.859733] UBSAN: Undefined behaviour in kernel/workqueue.c:3419:21 [ 335.882407] member access within misaligned address ffff88005d13aed8 for type 'struct workqueue_struct' [ 335.912450] which requires 64 byte alignment [ 335.927956] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 335.948407] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 335.985025] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa38 ffffffffb26ec5cc [ 336.010743] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 336.039786] 1ffff10000000010 ffff88005c9dfa60 ffff88005c9dfa10 ffffffffb363c3e0 [ 336.065225] Call Trace: [ 336.072682] [] dump_stack+0xd7/0x132 [ 336.090732] [] ? arch_local_irq_restore+0x1b/0x1b [ 336.112650] [] ubsan_epilogue+0x12/0x53 [ 336.135303] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 336.160517] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 336.185912] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 336.213954] [] pwq_adjust_max_active+0x5d/0x34b [ 336.233572] [] link_pwq+0xcb/0x10a [ 336.250942] [] __alloc_workqueue_key+0x71c/0xbf8 [ 336.271090] [] ? workqueue_sysfs_register+0x305/0x305 [ 336.292737] [] ? kasan_poison_shadow+0x2f/0x31 [ 336.316425] [] ? kasan_unpoison_shadow+0x14/0x35 [ 336.337265] [] ? kasan_kmalloc+0x94/0xa3 [ 336.363614] [] ? __kmalloc+0x2c1/0x2e7 [ 336.383459] [] ? memcpy+0x45/0x4c [ 336.406335] [] init_workqueues+0xc2d/0xddf [ 336.427071] [] ? wq_sysfs_init+0x41/0x41 [ 336.447535] [] ? put_online_cpus+0xb1/0xb4 [ 336.464785] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 336.490603] [] ? wq_sysfs_init+0x41/0x41 [ 336.509430] [] do_one_initcall+0x16d/0x258 [ 336.531216] [] ? initcall_blacklisted+0x198/0x198 [ 336.550979] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 336.572989] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 336.594318] [] kernel_init_freeable+0x231/0x518 [ 336.616448] [] ? balance_callback+0x3a/0x137 [ 336.636438] [] kernel_init+0x16/0x181 [ 336.655013] [] ret_from_fork+0x1f/0x40 [ 336.672910] [] ? rest_init+0x8f/0x8f [ 336.692841] ================================================================================ [ 336.722411] ================================================================================ [ 336.753087] UBSAN: Undefined behaviour in kernel/workqueue.c:3425:41 [ 336.775362] member access within misaligned address ffff88005d13aed8 for type 'struct workqueue_struct' [ 336.807317] which requires 64 byte alignment [ 336.822365] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 336.842549] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 336.873113] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa38 ffffffffb26ec5cc [ 336.897817] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 336.924119] ffffffff00000010 ffff88005c9dfa60 ffff88005c9dfa10 ffffffffb363c3e0 [ 336.948620] Call Trace: [ 336.956069] [] dump_stack+0xd7/0x132 [ 336.973376] [] ? arch_local_irq_restore+0x1b/0x1b [ 336.997503] [] ubsan_epilogue+0x12/0x53 [ 337.015490] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 337.039859] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 337.066235] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 337.090882] [] pwq_adjust_max_active+0xf6/0x34b [ 337.112579] [] link_pwq+0xcb/0x10a [ 337.129439] [] __alloc_workqueue_key+0x71c/0xbf8 [ 337.147930] [] ? workqueue_sysfs_register+0x305/0x305 [ 337.173194] [] ? kasan_poison_shadow+0x2f/0x31 [ 337.194736] [] ? kasan_unpoison_shadow+0x14/0x35 [ 337.214864] [] ? kasan_kmalloc+0x94/0xa3 [ 337.234535] [] ? __kmalloc+0x2c1/0x2e7 [ 337.250637] [] ? memcpy+0x45/0x4c [ 337.268319] [] init_workqueues+0xc2d/0xddf [ 337.288999] [] ? wq_sysfs_init+0x41/0x41 [ 337.306749] [] ? put_online_cpus+0xb1/0xb4 [ 337.327316] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 337.352800] [] ? wq_sysfs_init+0x41/0x41 [ 337.373654] [] do_one_initcall+0x16d/0x258 [ 337.395448] [] ? initcall_blacklisted+0x198/0x198 [ 337.419167] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 337.453809] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 337.480920] [] kernel_init_freeable+0x231/0x518 [ 337.504844] [] ? balance_callback+0x3a/0x137 [ 337.524616] [] kernel_init+0x16/0x181 [ 337.546841] [] ret_from_fork+0x1f/0x40 [ 337.565630] [] ? rest_init+0x8f/0x8f [ 337.584241] ================================================================================ [ 337.611551] ================================================================================ [ 337.643794] UBSAN: Undefined behaviour in kernel/workqueue.c:3436:23 [ 337.665607] member access within misaligned address ffff88005d13aed8 for type 'struct workqueue_struct' [ 337.695632] which requires 64 byte alignment [ 337.709787] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 337.729584] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 337.770168] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa38 ffffffffb26ec5cc [ 337.798251] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 337.822576] ffffffff00000010 ffff88005c9dfa60 ffff88005c9dfa10 ffffffffb363c3e0 [ 337.847604] Call Trace: [ 337.854782] [] dump_stack+0xd7/0x132 [ 337.875322] [] ? arch_local_irq_restore+0x1b/0x1b [ 337.898506] [] ubsan_epilogue+0x12/0x53 [ 337.915595] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 337.938515] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 337.966188] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 337.990203] [] pwq_adjust_max_active+0x16b/0x34b [ 338.012321] [] link_pwq+0xcb/0x10a [ 338.029965] [] __alloc_workqueue_key+0x71c/0xbf8 [ 338.052725] [] ? workqueue_sysfs_register+0x305/0x305 [ 338.076453] [] ? kasan_poison_shadow+0x2f/0x31 [ 338.095964] [] ? kasan_unpoison_shadow+0x14/0x35 [ 338.118906] [] ? kasan_kmalloc+0x94/0xa3 [ 338.135926] [] ? __kmalloc+0x2c1/0x2e7 [ 338.154239] [] ? memcpy+0x45/0x4c [ 338.173461] [] init_workqueues+0xc2d/0xddf [ 338.194693] [] ? wq_sysfs_init+0x41/0x41 [ 338.212777] [] ? put_online_cpus+0xb1/0xb4 [ 338.233174] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 338.259031] [] ? wq_sysfs_init+0x41/0x41 [ 338.282572] [] do_one_initcall+0x16d/0x258 [ 338.300091] [] ? initcall_blacklisted+0x198/0x198 [ 338.320166] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 338.344227] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 338.364382] [] kernel_init_freeable+0x231/0x518 [ 338.385628] [] ? balance_callback+0x3a/0x137 [ 338.408191] [] kernel_init+0x16/0x181 [ 338.428996] [] ret_from_fork+0x1f/0x40 [ 338.447612] [] ? rest_init+0x8f/0x8f [ 338.464027] ================================================================================ [ 338.493904] ================================================================================ [ 338.521129] UBSAN: Undefined behaviour in kernel/workqueue.c:3971:9 [ 338.541801] member access within misaligned address ffff88005d13aed8 for type 'struct workqueue_struct' [ 338.576167] which requires 64 byte alignment [ 338.592651] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 338.612563] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 338.646257] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab0 ffffffffb26ec5cc [ 338.669509] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 338.694998] 0000000000000010 ffff88005c9dfad8 ffff88005c9dfa88 ffffffffb363c3e0 [ 338.723413] Call Trace: [ 338.731266] [] dump_stack+0xd7/0x132 [ 338.749712] [] ? arch_local_irq_restore+0x1b/0x1b [ 338.768975] [] ubsan_epilogue+0x12/0x53 [ 338.789739] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 338.812637] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 338.836001] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 338.858708] [] __alloc_workqueue_key+0xa67/0xbf8 [ 338.880729] [] ? workqueue_sysfs_register+0x305/0x305 [ 338.904120] [] ? kasan_poison_shadow+0x2f/0x31 [ 338.923489] [] ? kasan_unpoison_shadow+0x14/0x35 [ 338.947821] [] ? kasan_kmalloc+0x94/0xa3 [ 338.964927] [] ? __kmalloc+0x2c1/0x2e7 [ 338.983196] [] ? memcpy+0x45/0x4c [ 338.998730] [] init_workqueues+0xc2d/0xddf [ 339.015646] [] ? wq_sysfs_init+0x41/0x41 [ 339.035770] [] ? put_online_cpus+0xb1/0xb4 [ 339.053558] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 339.081640] [] ? wq_sysfs_init+0x41/0x41 [ 339.100287] [] do_one_initcall+0x16d/0x258 [ 339.119213] [] ? initcall_blacklisted+0x198/0x198 [ 339.139383] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 339.164113] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 339.187874] [] kernel_init_freeable+0x231/0x518 [ 339.208373] [] ? balance_callback+0x3a/0x137 [ 339.227850] [] kernel_init+0x16/0x181 [ 339.245124] [] ret_from_fork+0x1f/0x40 [ 339.266085] [] ? rest_init+0x8f/0x8f [ 339.286257] ================================================================================ [ 339.317161] ================================================================================ [ 339.348616] UBSAN: Undefined behaviour in kernel/workqueue.c:3177:2 [ 339.371195] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 339.406531] which requires 64 byte alignment [ 339.423126] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 339.443524] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 339.473660] 00000000ffffffff 00000000b1a89c60 ffff88005c9df898 ffffffffb26ec5cc [ 339.499558] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 339.524300] ffff880000000010 ffff88005c9df8c0 ffff88005c9df870 ffffffffb363c3e0 [ 339.549657] Call Trace: [ 339.557189] [] dump_stack+0xd7/0x132 [ 339.575515] [] ? arch_local_irq_restore+0x1b/0x1b [ 339.597671] [] ubsan_epilogue+0x12/0x53 [ 339.613711] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 339.638093] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 339.664998] [] ? kasan_poison_shadow+0x2f/0x31 [ 339.687618] [] ? kasan_unpoison_shadow+0x14/0x35 [ 339.709044] [] init_worker_pool+0x8a/0x521 [ 339.730073] [] ? alloc_workqueue_attrs+0x53/0x53 [ 339.752234] [] ? alloc_unbound_pwq+0x68d/0xa34 [ 339.773651] [] alloc_unbound_pwq+0x6a8/0xa34 [ 339.796682] [] ? init_worker_pool+0x521/0x521 [ 339.818010] [] ? memcpy+0x45/0x4c [ 339.835011] [] apply_wqattrs_prepare+0xee/0x3a0 [ 339.855707] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 339.881650] [] apply_workqueue_attrs+0x2c/0x39 [ 339.901999] [] __alloc_workqueue_key+0x8df/0xbf8 [ 339.922617] [] ? workqueue_sysfs_register+0x305/0x305 [ 339.944276] [] ? kasan_poison_shadow+0x2f/0x31 [ 339.963649] [] ? kasan_unpoison_shadow+0x14/0x35 [ 339.986549] [] ? kasan_kmalloc+0x94/0xa3 [ 340.007025] [] ? __kmalloc+0x2c1/0x2e7 [ 340.025499] [] init_workqueues+0xcab/0xddf [ 340.045678] [] ? wq_sysfs_init+0x41/0x41 [ 340.063078] [] ? put_online_cpus+0xb1/0xb4 [ 340.086702] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 340.111892] [] ? wq_sysfs_init+0x41/0x41 [ 340.130113] [] do_one_initcall+0x16d/0x258 [ 340.149893] [] ? initcall_blacklisted+0x198/0x198 [ 340.173766] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 340.196939] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 340.216677] [] kernel_init_freeable+0x231/0x518 [ 340.241861] [] ? balance_callback+0x3a/0x137 [ 340.261901] [] kernel_init+0x16/0x181 [ 340.279255] [] ret_from_fork+0x1f/0x40 [ 340.295831] [] ? rest_init+0x8f/0x8f [ 340.314140] ================================================================================ [ 340.344661] ================================================================================ [ 340.376042] UBSAN: Undefined behaviour in kernel/workqueue.c:3178:11 [ 340.400215] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 340.430705] which requires 64 byte alignment [ 340.446902] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 340.467433] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 340.503003] 00000000ffffffff 00000000b1a89c60 ffff88005c9df898 ffffffffb26ec5cc [ 340.528057] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 340.554533] ffffffff00000010 ffff88005c9df8c0 ffff88005c9df870 ffffffffb363c3e0 [ 340.584138] Call Trace: [ 340.592505] [] dump_stack+0xd7/0x132 [ 340.608803] [] ? arch_local_irq_restore+0x1b/0x1b [ 340.631205] [] ubsan_epilogue+0x12/0x53 [ 340.652028] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 340.674472] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 340.700608] [] ? kasan_poison_shadow+0x2f/0x31 [ 340.718095] [] ? kasan_unpoison_shadow+0x14/0x35 [ 340.739392] [] init_worker_pool+0xb1/0x521 [ 340.757583] [] ? alloc_workqueue_attrs+0x53/0x53 [ 340.780352] [] ? alloc_unbound_pwq+0x68d/0xa34 [ 340.802130] [] alloc_unbound_pwq+0x6a8/0xa34 [ 340.820529] [] ? init_worker_pool+0x521/0x521 [ 340.838836] [] ? memcpy+0x45/0x4c [ 340.855099] [] apply_wqattrs_prepare+0xee/0x3a0 [ 340.877229] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 340.905647] [] apply_workqueue_attrs+0x2c/0x39 [ 340.925166] [] __alloc_workqueue_key+0x8df/0xbf8 [ 340.946649] [] ? workqueue_sysfs_register+0x305/0x305 [ 340.973312] [] ? kasan_poison_shadow+0x2f/0x31 [ 340.994849] [] ? kasan_unpoison_shadow+0x14/0x35 [ 341.015947] [] ? kasan_kmalloc+0x94/0xa3 [ 341.033087] [] ? __kmalloc+0x2c1/0x2e7 [ 341.053885] [] init_workqueues+0xcab/0xddf [ 341.073691] [] ? wq_sysfs_init+0x41/0x41 [ 341.093942] [] ? put_online_cpus+0xb1/0xb4 [ 341.112425] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 341.142210] [] ? wq_sysfs_init+0x41/0x41 [ 341.159059] [] do_one_initcall+0x16d/0x258 [ 341.180772] [] ? initcall_blacklisted+0x198/0x198 [ 341.202211] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 341.224605] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 341.247202] [] kernel_init_freeable+0x231/0x518 [ 341.267733] [] ? balance_callback+0x3a/0x137 [ 341.290499] [] kernel_init+0x16/0x181 [ 341.308142] [] ret_from_fork+0x1f/0x40 [ 341.326848] [] ? rest_init+0x8f/0x8f [ 341.345021] ================================================================================ [ 341.371098] ================================================================================ [ 341.403910] UBSAN: Undefined behaviour in kernel/workqueue.c:3179:12 [ 341.425093] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 341.453726] which requires 64 byte alignment [ 341.468003] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 341.493100] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 341.526336] 00000000ffffffff 00000000b1a89c60 ffff88005c9df898 ffffffffb26ec5cc [ 341.554452] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 341.582980] ffffffff00000010 ffff88005c9df8c0 ffff88005c9df870 ffffffffb363c3e0 [ 341.610697] Call Trace: [ 341.621410] [] dump_stack+0xd7/0x132 [ 341.636059] [] ? arch_local_irq_restore+0x1b/0x1b [ 341.662671] [] ubsan_epilogue+0x12/0x53 [ 341.684837] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 341.706432] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 341.728326] [] ? kasan_poison_shadow+0x2f/0x31 [ 341.749763] [] ? kasan_unpoison_shadow+0x14/0x35 [ 341.773107] [] init_worker_pool+0xda/0x521 [ 341.790919] [] ? alloc_workqueue_attrs+0x53/0x53 [ 341.814136] [] ? alloc_unbound_pwq+0x68d/0xa34 [ 341.835062] [] alloc_unbound_pwq+0x6a8/0xa34 [ 341.860344] [] ? init_worker_pool+0x521/0x521 [ 341.883370] [] ? memcpy+0x45/0x4c [ 341.902068] [] apply_wqattrs_prepare+0xee/0x3a0 [ 341.924582] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 341.947542] [] apply_workqueue_attrs+0x2c/0x39 [ 341.966835] [] __alloc_workqueue_key+0x8df/0xbf8 [ 341.992832] [] ? workqueue_sysfs_register+0x305/0x305 [ 342.014222] [] ? kasan_poison_shadow+0x2f/0x31 [ 342.033848] [] ? kasan_unpoison_shadow+0x14/0x35 [ 342.053757] [] ? kasan_kmalloc+0x94/0xa3 [ 342.074501] [] ? __kmalloc+0x2c1/0x2e7 [ 342.092081] [] init_workqueues+0xcab/0xddf [ 342.109145] [] ? wq_sysfs_init+0x41/0x41 [ 342.129630] [] ? put_online_cpus+0xb1/0xb4 [ 342.147240] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 342.173479] [] ? wq_sysfs_init+0x41/0x41 [ 342.192649] [] do_one_initcall+0x16d/0x258 [ 342.212539] [] ? initcall_blacklisted+0x198/0x198 [ 342.235096] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 342.256485] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 342.280984] [] kernel_init_freeable+0x231/0x518 [ 342.304476] [] ? balance_callback+0x3a/0x137 [ 342.325708] [] kernel_init+0x16/0x181 [ 342.345371] [] ret_from_fork+0x1f/0x40 [ 342.363563] [] ? rest_init+0x8f/0x8f [ 342.384144] ================================================================================ [ 342.411062] ================================================================================ [ 342.438921] UBSAN: Undefined behaviour in kernel/workqueue.c:3180:13 [ 342.462411] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 342.492288] which requires 64 byte alignment [ 342.509067] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 342.530304] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 342.565256] 00000000ffffffff 00000000b1a89c60 ffff88005c9df898 ffffffffb26ec5cc [ 342.591704] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 342.618950] ffffffff00000010 ffff88005c9df8c0 ffff88005c9df870 ffffffffb363c3e0 [ 342.645791] Call Trace: [ 342.653440] [] dump_stack+0xd7/0x132 [ 342.671555] [] ? arch_local_irq_restore+0x1b/0x1b [ 342.694936] [] ubsan_epilogue+0x12/0x53 [ 342.719626] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 342.746207] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 342.771244] [] ? kasan_poison_shadow+0x2f/0x31 [ 342.790533] [] ? kasan_unpoison_shadow+0x14/0x35 [ 342.813312] [] init_worker_pool+0x103/0x521 [ 342.832490] [] ? alloc_workqueue_attrs+0x53/0x53 [ 342.853126] [] ? alloc_unbound_pwq+0x68d/0xa34 [ 342.873258] [] alloc_unbound_pwq+0x6a8/0xa34 [ 342.895776] [] ? init_worker_pool+0x521/0x521 [ 342.914333] [] ? memcpy+0x45/0x4c [ 342.933735] [] apply_wqattrs_prepare+0xee/0x3a0 [ 342.955441] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 342.980302] [] apply_workqueue_attrs+0x2c/0x39 [ 343.000302] [] __alloc_workqueue_key+0x8df/0xbf8 [ 343.023526] [] ? workqueue_sysfs_register+0x305/0x305 [ 343.046159] [] ? kasan_poison_shadow+0x2f/0x31 [ 343.066574] [] ? kasan_unpoison_shadow+0x14/0x35 [ 343.087031] [] ? kasan_kmalloc+0x94/0xa3 [ 343.104414] [] ? __kmalloc+0x2c1/0x2e7 [ 343.124750] [] init_workqueues+0xcab/0xddf [ 343.142926] [] ? wq_sysfs_init+0x41/0x41 [ 343.164630] [] ? put_online_cpus+0xb1/0xb4 [ 343.183043] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 343.212709] [] ? wq_sysfs_init+0x41/0x41 [ 343.232064] [] do_one_initcall+0x16d/0x258 [ 343.250880] [] ? initcall_blacklisted+0x198/0x198 [ 343.273165] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 343.300629] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 343.324574] [] kernel_init_freeable+0x231/0x518 [ 343.346069] [] ? balance_callback+0x3a/0x137 [ 343.366427] [] kernel_init+0x16/0x181 [ 343.386014] [] ret_from_fork+0x1f/0x40 [ 343.404978] [] ? rest_init+0x8f/0x8f [ 343.422158] ================================================================================ [ 343.449750] ================================================================================ [ 343.476636] UBSAN: Undefined behaviour in kernel/workqueue.c:3181:14 [ 343.499107] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 343.526982] which requires 64 byte alignment [ 343.541890] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 343.566804] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 343.600011] 00000000ffffffff 00000000b1a89c60 ffff88005c9df898 ffffffffb26ec5cc [ 343.627917] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 343.653057] ffffffff00000010 ffff88005c9df8c0 ffff88005c9df870 ffffffffb363c3e0 [ 343.677477] Call Trace: [ 343.686879] [] dump_stack+0xd7/0x132 [ 343.703537] [] ? arch_local_irq_restore+0x1b/0x1b [ 343.722860] [] ubsan_epilogue+0x12/0x53 [ 343.738788] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 343.760814] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 343.787644] [] ? kasan_poison_shadow+0x2f/0x31 [ 343.808556] [] ? kasan_unpoison_shadow+0x14/0x35 [ 343.832833] [] init_worker_pool+0x12c/0x521 [ 343.854756] [] ? alloc_workqueue_attrs+0x53/0x53 [ 343.877912] [] ? alloc_unbound_pwq+0x68d/0xa34 [ 343.903922] [] alloc_unbound_pwq+0x6a8/0xa34 [ 343.924887] [] ? init_worker_pool+0x521/0x521 [ 343.948615] [] ? memcpy+0x45/0x4c [ 343.965748] [] apply_wqattrs_prepare+0xee/0x3a0 [ 343.989694] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 344.015094] [] apply_workqueue_attrs+0x2c/0x39 [ 344.034983] [] __alloc_workqueue_key+0x8df/0xbf8 [ 344.056094] [] ? workqueue_sysfs_register+0x305/0x305 [ 344.084372] [] ? kasan_poison_shadow+0x2f/0x31 [ 344.102685] [] ? kasan_unpoison_shadow+0x14/0x35 [ 344.121615] [] ? kasan_kmalloc+0x94/0xa3 [ 344.141316] [] ? __kmalloc+0x2c1/0x2e7 [ 344.156694] [] init_workqueues+0xcab/0xddf [ 344.179413] [] ? wq_sysfs_init+0x41/0x41 [ 344.198876] [] ? put_online_cpus+0xb1/0xb4 [ 344.220413] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 344.246950] [] ? wq_sysfs_init+0x41/0x41 [ 344.265558] [] do_one_initcall+0x16d/0x258 [ 344.285474] [] ? initcall_blacklisted+0x198/0x198 [ 344.306890] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 344.328938] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 344.350169] [] kernel_init_freeable+0x231/0x518 [ 344.370903] [] ? balance_callback+0x3a/0x137 [ 344.391236] [] kernel_init+0x16/0x181 [ 344.410462] [] ret_from_fork+0x1f/0x40 [ 344.431243] [] ? rest_init+0x8f/0x8f [ 344.448674] ================================================================================ [ 344.479689] ================================================================================ [ 344.509485] UBSAN: Undefined behaviour in kernel/workqueue.c:3181:14 [ 344.529830] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 344.562272] which requires 64 byte alignment [ 344.576777] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 344.599211] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 344.631569] 00000000ffffffff 00000000b1a89c60 ffff88005c9df898 ffffffffb26ec5cc [ 344.659934] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 344.685541] ffffffff00000010 ffff88005c9df8c0 ffff88005c9df870 ffffffffb363c3e0 [ 344.714840] Call Trace: [ 344.724526] [] dump_stack+0xd7/0x132 [ 344.743146] [] ? arch_local_irq_restore+0x1b/0x1b [ 344.767845] [] ubsan_epilogue+0x12/0x53 [ 344.788387] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 344.812783] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 344.836242] [] ? kasan_poison_shadow+0x2f/0x31 [ 344.860218] [] ? kasan_unpoison_shadow+0x14/0x35 [ 344.883396] [] init_worker_pool+0x156/0x521 [ 344.903009] [] ? alloc_workqueue_attrs+0x53/0x53 [ 344.927917] [] ? alloc_unbound_pwq+0x68d/0xa34 [ 344.949119] [] alloc_unbound_pwq+0x6a8/0xa34 [ 344.968861] [] ? init_worker_pool+0x521/0x521 [ 344.992291] [] ? memcpy+0x45/0x4c [ 345.009442] [] apply_wqattrs_prepare+0xee/0x3a0 [ 345.030024] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 345.053444] [] apply_workqueue_attrs+0x2c/0x39 [ 345.076122] [] __alloc_workqueue_key+0x8df/0xbf8 [ 345.098614] [] ? workqueue_sysfs_register+0x305/0x305 [ 345.118802] [] ? kasan_poison_shadow+0x2f/0x31 [ 345.138608] [] ? kasan_unpoison_shadow+0x14/0x35 [ 345.160884] [] ? kasan_kmalloc+0x94/0xa3 [ 345.179756] [] ? __kmalloc+0x2c1/0x2e7 [ 345.198208] [] init_workqueues+0xcab/0xddf [ 345.223424] [] ? wq_sysfs_init+0x41/0x41 [ 345.241505] [] ? put_online_cpus+0xb1/0xb4 [ 345.261304] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 345.293285] [] ? wq_sysfs_init+0x41/0x41 [ 345.314448] [] do_one_initcall+0x16d/0x258 [ 345.333052] [] ? initcall_blacklisted+0x198/0x198 [ 345.356547] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 345.383466] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 345.406753] [] kernel_init_freeable+0x231/0x518 [ 345.431515] [] ? balance_callback+0x3a/0x137 [ 345.451991] [] kernel_init+0x16/0x181 [ 345.469923] [] ret_from_fork+0x1f/0x40 [ 345.488071] [] ? rest_init+0x8f/0x8f [ 345.512753] ================================================================================ [ 345.542644] ================================================================================ [ 345.573340] UBSAN: Undefined behaviour in kernel/workqueue.c:3182:20 [ 345.595632] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 345.627678] which requires 64 byte alignment [ 345.639995] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 345.662197] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 345.695124] 00000000ffffffff 00000000b1a89c60 ffff88005c9df898 ffffffffb26ec5cc [ 345.720675] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 345.744134] ffffffff00000010 ffff88005c9df8c0 ffff88005c9df870 ffffffffb363c3e0 [ 345.772937] Call Trace: [ 345.781566] [] dump_stack+0xd7/0x132 [ 345.798213] [] ? arch_local_irq_restore+0x1b/0x1b [ 345.820051] [] ubsan_epilogue+0x12/0x53 [ 345.840067] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 345.863785] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 345.889918] [] ? kasan_poison_shadow+0x2f/0x31 [ 345.910237] [] ? kasan_unpoison_shadow+0x14/0x35 [ 345.934226] [] init_worker_pool+0x186/0x521 [ 345.954512] [] ? alloc_workqueue_attrs+0x53/0x53 [ 345.974662] [] ? alloc_unbound_pwq+0x68d/0xa34 [ 345.998860] [] alloc_unbound_pwq+0x6a8/0xa34 [ 346.017841] [] ? init_worker_pool+0x521/0x521 [ 346.037705] [] ? memcpy+0x45/0x4c [ 346.054803] [] apply_wqattrs_prepare+0xee/0x3a0 [ 346.077068] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 346.101592] [] apply_workqueue_attrs+0x2c/0x39 [ 346.125062] [] __alloc_workqueue_key+0x8df/0xbf8 [ 346.145264] [] ? workqueue_sysfs_register+0x305/0x305 [ 346.169469] [] ? kasan_poison_shadow+0x2f/0x31 [ 346.196005] [] ? kasan_unpoison_shadow+0x14/0x35 [ 346.215699] [] ? kasan_kmalloc+0x94/0xa3 [ 346.234615] [] ? __kmalloc+0x2c1/0x2e7 [ 346.251940] [] init_workqueues+0xcab/0xddf [ 346.273803] [] ? wq_sysfs_init+0x41/0x41 [ 346.295356] [] ? put_online_cpus+0xb1/0xb4 [ 346.324970] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 346.350834] [] ? wq_sysfs_init+0x41/0x41 [ 346.370610] [] do_one_initcall+0x16d/0x258 [ 346.390715] [] ? initcall_blacklisted+0x198/0x198 [ 346.410322] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 346.432544] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 346.454791] [] kernel_init_freeable+0x231/0x518 [ 346.479653] [] ? balance_callback+0x3a/0x137 [ 346.505046] [] kernel_init+0x16/0x181 [ 346.523947] [] ret_from_fork+0x1f/0x40 [ 346.540502] [] ? rest_init+0x8f/0x8f [ 346.557904] ================================================================================ [ 346.585862] ================================================================================ [ 346.614800] UBSAN: Undefined behaviour in kernel/workqueue.c:3188:28 [ 346.639591] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 346.671301] which requires 64 byte alignment [ 346.685620] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 346.704857] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 346.737449] 00000000ffffffff 00000000b1a89c60 ffff88005c9df898 ffffffffb26ec5cc [ 346.763343] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 346.789141] ffffffff00000010 ffff88005c9df8c0 ffff88005c9df870 ffffffffb363c3e0 [ 346.823985] Call Trace: [ 346.830840] [] dump_stack+0xd7/0x132 [ 346.847330] [] ? arch_local_irq_restore+0x1b/0x1b [ 346.866756] [] ubsan_epilogue+0x12/0x53 [ 346.884388] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 346.908007] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 346.932306] [] ? memset+0x31/0x38 [ 346.949567] [] init_worker_pool+0x2b3/0x521 [ 346.971462] [] ? alloc_workqueue_attrs+0x53/0x53 [ 346.989592] [] alloc_unbound_pwq+0x6a8/0xa34 [ 347.011515] [] ? init_worker_pool+0x521/0x521 [ 347.032664] [] ? memcpy+0x45/0x4c [ 347.050769] [] apply_wqattrs_prepare+0xee/0x3a0 [ 347.072676] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 347.096278] [] apply_workqueue_attrs+0x2c/0x39 [ 347.121792] [] __alloc_workqueue_key+0x8df/0xbf8 [ 347.141994] [] ? workqueue_sysfs_register+0x305/0x305 [ 347.164960] [] ? kasan_poison_shadow+0x2f/0x31 [ 347.186379] [] ? kasan_unpoison_shadow+0x14/0x35 [ 347.208712] [] ? kasan_kmalloc+0x94/0xa3 [ 347.228837] [] ? __kmalloc+0x2c1/0x2e7 [ 347.248245] [] init_workqueues+0xcab/0xddf [ 347.269357] [] ? wq_sysfs_init+0x41/0x41 [ 347.292160] [] ? put_online_cpus+0xb1/0xb4 [ 347.311572] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 347.338039] [] ? wq_sysfs_init+0x41/0x41 [ 347.354274] [] do_one_initcall+0x16d/0x258 [ 347.374573] [] ? initcall_blacklisted+0x198/0x198 [ 347.399466] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 347.422262] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 347.443193] [] kernel_init_freeable+0x231/0x518 [ 347.462922] [] ? balance_callback+0x3a/0x137 [ 347.484246] [] kernel_init+0x16/0x181 [ 347.504316] [] ret_from_fork+0x1f/0x40 [ 347.526561] [] ? rest_init+0x8f/0x8f [ 347.543481] ================================================================================ [ 347.573023] ================================================================================ [ 347.606524] UBSAN: Undefined behaviour in kernel/workqueue.c:3189:24 [ 347.627978] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 347.657506] which requires 64 byte alignment [ 347.672655] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 347.690199] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 347.728004] 00000000ffffffff 00000000b1a89c60 ffff88005c9df898 ffffffffb26ec5cc [ 347.754778] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 347.782202] ffffffff00000010 ffff88005c9df8c0 ffff88005c9df870 ffffffffb363c3e0 [ 347.807981] Call Trace: [ 347.816944] [] dump_stack+0xd7/0x132 [ 347.832075] [] ? arch_local_irq_restore+0x1b/0x1b [ 347.856294] [] ubsan_epilogue+0x12/0x53 [ 347.878318] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 347.903456] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 347.928725] [] ? memset+0x31/0x38 [ 347.944834] [] init_worker_pool+0x2dd/0x521 [ 347.965706] [] ? alloc_workqueue_attrs+0x53/0x53 [ 347.984762] [] alloc_unbound_pwq+0x6a8/0xa34 [ 348.004329] [] ? init_worker_pool+0x521/0x521 [ 348.025867] [] ? memcpy+0x45/0x4c [ 348.045696] [] apply_wqattrs_prepare+0xee/0x3a0 [ 348.067306] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 348.088361] [] apply_workqueue_attrs+0x2c/0x39 [ 348.109043] [] __alloc_workqueue_key+0x8df/0xbf8 [ 348.129962] [] ? workqueue_sysfs_register+0x305/0x305 [ 348.152969] [] ? kasan_poison_shadow+0x2f/0x31 [ 348.173066] [] ? kasan_unpoison_shadow+0x14/0x35 [ 348.201646] [] ? kasan_kmalloc+0x94/0xa3 [ 348.220793] [] ? __kmalloc+0x2c1/0x2e7 [ 348.237032] [] init_workqueues+0xcab/0xddf [ 348.257753] [] ? wq_sysfs_init+0x41/0x41 [ 348.280028] [] ? put_online_cpus+0xb1/0xb4 [ 348.300536] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 348.326748] [] ? wq_sysfs_init+0x41/0x41 [ 348.350471] [] do_one_initcall+0x16d/0x258 [ 348.370225] [] ? initcall_blacklisted+0x198/0x198 [ 348.391240] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 348.414186] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 348.433794] [] kernel_init_freeable+0x231/0x518 [ 348.454555] [] ? balance_callback+0x3a/0x137 [ 348.475501] [] kernel_init+0x16/0x181 [ 348.494906] [] ret_from_fork+0x1f/0x40 [ 348.522222] [] ? rest_init+0x8f/0x8f [ 348.537901] ================================================================================ [ 348.569265] ================================================================================ [ 348.597007] UBSAN: Undefined behaviour in kernel/workqueue.c:3191:2 [ 348.619349] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 348.652353] which requires 64 byte alignment [ 348.669826] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 348.690801] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 348.727160] 00000000ffffffff 00000000b1a89c60 ffff88005c9df898 ffffffffb26ec5cc [ 348.753262] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 348.778785] ffffffff00000010 ffff88005c9df8c0 ffff88005c9df870 ffffffffb363c3e0 [ 348.803533] Call Trace: [ 348.811071] [] dump_stack+0xd7/0x132 [ 348.829426] [] ? arch_local_irq_restore+0x1b/0x1b [ 348.850104] [] ubsan_epilogue+0x12/0x53 [ 348.869362] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 348.891368] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 348.915507] [] ? memset+0x31/0x38 [ 348.933760] [] init_worker_pool+0x315/0x521 [ 348.953973] [] ? alloc_workqueue_attrs+0x53/0x53 [ 348.977090] [] alloc_unbound_pwq+0x6a8/0xa34 [ 348.998653] [] ? init_worker_pool+0x521/0x521 [ 349.020442] [] ? memcpy+0x45/0x4c [ 349.036378] [] apply_wqattrs_prepare+0xee/0x3a0 [ 349.058254] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 349.081361] [] apply_workqueue_attrs+0x2c/0x39 [ 349.101432] [] __alloc_workqueue_key+0x8df/0xbf8 [ 349.123359] [] ? workqueue_sysfs_register+0x305/0x305 [ 349.144774] [] ? kasan_poison_shadow+0x2f/0x31 [ 349.164695] [] ? kasan_unpoison_shadow+0x14/0x35 [ 349.187621] [] ? kasan_kmalloc+0x94/0xa3 [ 349.207174] [] ? __kmalloc+0x2c1/0x2e7 [ 349.226312] [] init_workqueues+0xcab/0xddf [ 349.245181] [] ? wq_sysfs_init+0x41/0x41 [ 349.263800] [] ? put_online_cpus+0xb1/0xb4 [ 349.281295] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 349.313604] [] ? wq_sysfs_init+0x41/0x41 [ 349.335119] [] do_one_initcall+0x16d/0x258 [ 349.353281] [] ? initcall_blacklisted+0x198/0x198 [ 349.374308] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 349.398133] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 349.420605] [] kernel_init_freeable+0x231/0x518 [ 349.443207] [] ? balance_callback+0x3a/0x137 [ 349.461478] [] kernel_init+0x16/0x181 [ 349.480476] [] ret_from_fork+0x1f/0x40 [ 349.501012] [] ? rest_init+0x8f/0x8f [ 349.520379] ================================================================================ [ 349.550496] ================================================================================ [ 349.582065] UBSAN: Undefined behaviour in kernel/workqueue.c:3191:2 [ 349.606840] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 349.637290] which requires 64 byte alignment [ 349.654609] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 349.676327] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 349.710821] 00000000ffffffff 00000000b1a89c60 ffff88005c9df898 ffffffffb26ec5cc [ 349.736976] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 349.764386] ffffffff00000010 ffff88005c9df8c0 ffff88005c9df870 ffffffffb363c3e0 [ 349.790986] Call Trace: [ 349.798639] [] dump_stack+0xd7/0x132 [ 349.818940] [] ? arch_local_irq_restore+0x1b/0x1b [ 349.839605] [] ubsan_epilogue+0x12/0x53 [ 349.855273] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 349.883272] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 349.910339] [] ? memset+0x31/0x38 [ 349.930314] [] init_worker_pool+0x345/0x521 [ 349.951640] [] ? alloc_workqueue_attrs+0x53/0x53 [ 349.974774] [] alloc_unbound_pwq+0x6a8/0xa34 [ 349.996054] [] ? init_worker_pool+0x521/0x521 [ 350.019883] [] ? memcpy+0x45/0x4c [ 350.036559] [] apply_wqattrs_prepare+0xee/0x3a0 [ 350.058223] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 350.082400] [] apply_workqueue_attrs+0x2c/0x39 [ 350.103216] [] __alloc_workqueue_key+0x8df/0xbf8 [ 350.127522] [] ? workqueue_sysfs_register+0x305/0x305 [ 350.150553] [] ? kasan_poison_shadow+0x2f/0x31 [ 350.171618] [] ? kasan_unpoison_shadow+0x14/0x35 [ 350.197904] [] ? kasan_kmalloc+0x94/0xa3 [ 350.216532] [] ? __kmalloc+0x2c1/0x2e7 [ 350.239636] [] init_workqueues+0xcab/0xddf [ 350.258534] [] ? wq_sysfs_init+0x41/0x41 [ 350.278616] [] ? put_online_cpus+0xb1/0xb4 [ 350.297341] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 350.327256] [] ? wq_sysfs_init+0x41/0x41 [ 350.346428] [] do_one_initcall+0x16d/0x258 [ 350.369066] [] ? initcall_blacklisted+0x198/0x198 [ 350.388891] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 350.412183] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 350.434507] [] kernel_init_freeable+0x231/0x518 [ 350.454876] [] ? balance_callback+0x3a/0x137 [ 350.476786] [] kernel_init+0x16/0x181 [ 350.496948] [] ret_from_fork+0x1f/0x40 [ 350.515493] [] ? rest_init+0x8f/0x8f [ 350.531654] ================================================================================ [ 350.560641] ================================================================================ [ 350.590560] UBSAN: Undefined behaviour in kernel/workqueue.c:3200:15 [ 350.619065] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 350.649943] which requires 64 byte alignment [ 350.665802] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 350.689914] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 350.726021] 00000000ffffffff 00000000b1a89c60 ffff88005c9df898 ffffffffb26ec5cc [ 350.751928] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 350.779294] ffffffff00000010 ffff88005c9df8c0 ffff88005c9df870 ffffffffb363c3e0 [ 350.807491] Call Trace: [ 350.815647] [] dump_stack+0xd7/0x132 [ 350.833973] [] ? arch_local_irq_restore+0x1b/0x1b [ 350.855443] [] ubsan_epilogue+0x12/0x53 [ 350.875062] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 350.901938] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 350.927001] [] ? memset+0x31/0x38 [ 350.943827] [] init_worker_pool+0x473/0x521 [ 350.965958] [] ? alloc_workqueue_attrs+0x53/0x53 [ 350.985786] [] alloc_unbound_pwq+0x6a8/0xa34 [ 351.009548] [] ? init_worker_pool+0x521/0x521 [ 351.029752] [] ? memcpy+0x45/0x4c [ 351.045881] [] apply_wqattrs_prepare+0xee/0x3a0 [ 351.066561] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 351.088321] [] apply_workqueue_attrs+0x2c/0x39 [ 351.111173] [] __alloc_workqueue_key+0x8df/0xbf8 [ 351.131981] [] ? workqueue_sysfs_register+0x305/0x305 [ 351.154733] [] ? kasan_poison_shadow+0x2f/0x31 [ 351.182002] [] ? kasan_unpoison_shadow+0x14/0x35 [ 351.206084] [] ? kasan_kmalloc+0x94/0xa3 [ 351.226142] [] ? __kmalloc+0x2c1/0x2e7 [ 351.244498] [] init_workqueues+0xcab/0xddf [ 351.263614] [] ? wq_sysfs_init+0x41/0x41 [ 351.282798] [] ? put_online_cpus+0xb1/0xb4 [ 351.301972] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 351.330076] [] ? wq_sysfs_init+0x41/0x41 [ 351.351188] [] do_one_initcall+0x16d/0x258 [ 351.372417] [] ? initcall_blacklisted+0x198/0x198 [ 351.399453] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 351.425726] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 351.448558] [] kernel_init_freeable+0x231/0x518 [ 351.467910] [] ? balance_callback+0x3a/0x137 [ 351.487566] [] kernel_init+0x16/0x181 [ 351.509386] [] ret_from_fork+0x1f/0x40 [ 351.528027] [] ? rest_init+0x8f/0x8f [ 351.551463] ================================================================================ [ 351.589126] ================================================================================ [ 351.621565] UBSAN: Undefined behaviour in kernel/workqueue.c:3203:14 [ 351.644149] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 351.671975] which requires 64 byte alignment [ 351.687848] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 351.712601] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 351.747340] 00000000ffffffff 00000000b1a89c60 ffff88005c9df898 ffffffffb26ec5cc [ 351.774719] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 351.804836] 0000000000000010 ffff88005c9df8c0 ffff88005c9df870 ffffffffb363c3e0 [ 351.832507] Call Trace: [ 351.843939] [] dump_stack+0xd7/0x132 [ 351.862797] [] ? arch_local_irq_restore+0x1b/0x1b [ 351.882316] [] ubsan_epilogue+0x12/0x53 [ 351.904691] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 351.929990] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 351.953595] [] ? memcpy+0x45/0x4c [ 351.971509] [] init_worker_pool+0x4af/0x521 [ 351.992749] [] ? alloc_workqueue_attrs+0x53/0x53 [ 352.012042] [] alloc_unbound_pwq+0x6a8/0xa34 [ 352.032871] [] ? init_worker_pool+0x521/0x521 [ 352.054159] [] ? memcpy+0x45/0x4c [ 352.072971] [] apply_wqattrs_prepare+0xee/0x3a0 [ 352.098625] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 352.123984] [] apply_workqueue_attrs+0x2c/0x39 [ 352.146245] [] __alloc_workqueue_key+0x8df/0xbf8 [ 352.166814] [] ? workqueue_sysfs_register+0x305/0x305 [ 352.191802] [] ? kasan_poison_shadow+0x2f/0x31 [ 352.213859] [] ? kasan_unpoison_shadow+0x14/0x35 [ 352.238384] [] ? kasan_kmalloc+0x94/0xa3 [ 352.255573] [] ? __kmalloc+0x2c1/0x2e7 [ 352.273262] [] init_workqueues+0xcab/0xddf [ 352.293946] [] ? wq_sysfs_init+0x41/0x41 [ 352.314172] [] ? put_online_cpus+0xb1/0xb4 [ 352.334161] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 352.365271] [] ? wq_sysfs_init+0x41/0x41 [ 352.385493] [] do_one_initcall+0x16d/0x258 [ 352.407708] [] ? initcall_blacklisted+0x198/0x198 [ 352.431617] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 352.455191] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 352.480597] [] kernel_init_freeable+0x231/0x518 [ 352.503383] [] ? balance_callback+0x3a/0x137 [ 352.523900] [] kernel_init+0x16/0x181 [ 352.540313] [] ret_from_fork+0x1f/0x40 [ 352.558521] [] ? rest_init+0x8f/0x8f [ 352.575309] ================================================================================ [ 352.604288] ================================================================================ [ 352.633773] UBSAN: Undefined behaviour in kernel/workqueue.c:3204:11 [ 352.658211] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 352.690481] which requires 64 byte alignment [ 352.705200] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 352.726378] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 352.761864] 00000000ffffffff 00000000b1a89c60 ffff88005c9df898 ffffffffb26ec5cc [ 352.790449] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 352.815224] ffffffff00000010 ffff88005c9df8c0 ffff88005c9df870 ffffffffb363c3e0 [ 352.842009] Call Trace: [ 352.848754] [] dump_stack+0xd7/0x132 [ 352.866882] [] ? arch_local_irq_restore+0x1b/0x1b [ 352.889119] [] ubsan_epilogue+0x12/0x53 [ 352.906352] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 352.931555] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 352.959038] [] ? memcpy+0x45/0x4c [ 352.977938] [] init_worker_pool+0x4db/0x521 [ 353.001151] [] ? alloc_workqueue_attrs+0x53/0x53 [ 353.021629] [] alloc_unbound_pwq+0x6a8/0xa34 [ 353.044386] [] ? init_worker_pool+0x521/0x521 [ 353.066738] [] ? memcpy+0x45/0x4c [ 353.083419] [] apply_wqattrs_prepare+0xee/0x3a0 [ 353.103599] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 353.126993] [] apply_workqueue_attrs+0x2c/0x39 [ 353.149084] [] __alloc_workqueue_key+0x8df/0xbf8 [ 353.172556] [] ? workqueue_sysfs_register+0x305/0x305 [ 353.196143] [] ? kasan_poison_shadow+0x2f/0x31 [ 353.216330] [] ? kasan_unpoison_shadow+0x14/0x35 [ 353.241551] [] ? kasan_kmalloc+0x94/0xa3 [ 353.259905] [] ? __kmalloc+0x2c1/0x2e7 [ 353.276074] [] init_workqueues+0xcab/0xddf [ 353.292012] [] ? wq_sysfs_init+0x41/0x41 [ 353.315118] [] ? put_online_cpus+0xb1/0xb4 [ 353.335318] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 353.361602] [] ? wq_sysfs_init+0x41/0x41 [ 353.377636] [] do_one_initcall+0x16d/0x258 [ 353.403864] [] ? initcall_blacklisted+0x198/0x198 [ 353.424847] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 353.450387] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 353.475437] [] kernel_init_freeable+0x231/0x518 [ 353.499624] [] ? balance_callback+0x3a/0x137 [ 353.523673] [] kernel_init+0x16/0x181 [ 353.542399] [] ret_from_fork+0x1f/0x40 [ 353.564094] [] ? rest_init+0x8f/0x8f [ 353.582889] ================================================================================ [ 353.615313] ================================================================================ [ 353.648414] UBSAN: Undefined behaviour in kernel/workqueue.c:3342:2 [ 353.670007] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 353.702764] which requires 64 byte alignment [ 353.716809] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 353.738680] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 353.771701] 00000000ffffffff 00000000b1a89c60 ffff88005c9df930 ffffffffb26ec5cc [ 353.799038] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 353.829097] 0000000000000010 ffff88005c9df958 ffff88005c9df908 ffffffffb363c3e0 [ 353.853999] Call Trace: [ 353.864569] [] dump_stack+0xd7/0x132 [ 353.885304] [] ? arch_local_irq_restore+0x1b/0x1b [ 353.905936] [] ubsan_epilogue+0x12/0x53 [ 353.926331] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 353.951195] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 353.975632] [] alloc_unbound_pwq+0x6c9/0xa34 [ 353.995756] [] ? init_worker_pool+0x521/0x521 [ 354.019424] [] ? memcpy+0x45/0x4c [ 354.035960] [] apply_wqattrs_prepare+0xee/0x3a0 [ 354.064768] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 354.089899] [] apply_workqueue_attrs+0x2c/0x39 [ 354.110590] [] __alloc_workqueue_key+0x8df/0xbf8 [ 354.134576] [] ? workqueue_sysfs_register+0x305/0x305 [ 354.156872] [] ? kasan_poison_shadow+0x2f/0x31 [ 354.180256] [] ? kasan_unpoison_shadow+0x14/0x35 [ 354.205680] [] ? kasan_kmalloc+0x94/0xa3 [ 354.225613] [] ? __kmalloc+0x2c1/0x2e7 [ 354.244836] [] init_workqueues+0xcab/0xddf [ 354.264325] [] ? wq_sysfs_init+0x41/0x41 [ 354.288524] [] ? put_online_cpus+0xb1/0xb4 [ 354.314686] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 354.347920] [] ? wq_sysfs_init+0x41/0x41 [ 354.371914] [] do_one_initcall+0x16d/0x258 [ 354.397749] [] ? initcall_blacklisted+0x198/0x198 [ 354.422969] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 354.445363] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 354.471405] [] kernel_init_freeable+0x231/0x518 [ 354.491094] [] ? balance_callback+0x3a/0x137 [ 354.512572] [] kernel_init+0x16/0x181 [ 354.532167] [] ret_from_fork+0x1f/0x40 [ 354.552685] [] ? rest_init+0x8f/0x8f [ 354.572560] ================================================================================ [ 354.604536] ================================================================================ [ 354.638709] UBSAN: Undefined behaviour in kernel/workqueue.c:3343:13 [ 354.660836] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 354.692067] which requires 64 byte alignment [ 354.707754] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 354.729125] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 354.758150] 00000000ffffffff 00000000b1a89c60 ffff88005c9df930 ffffffffb26ec5cc [ 354.786239] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 354.812812] ffff880000000010 ffff88005c9df958 ffff88005c9df908 ffffffffb363c3e0 [ 354.840559] Call Trace: [ 354.848315] [] dump_stack+0xd7/0x132 [ 354.867616] [] ? arch_local_irq_restore+0x1b/0x1b [ 354.890161] [] ubsan_epilogue+0x12/0x53 [ 354.910236] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 354.937139] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 354.962792] [] alloc_unbound_pwq+0x707/0xa34 [ 354.988605] [] ? init_worker_pool+0x521/0x521 [ 355.008958] [] ? memcpy+0x45/0x4c [ 355.028639] [] apply_wqattrs_prepare+0xee/0x3a0 [ 355.051389] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 355.077726] [] apply_workqueue_attrs+0x2c/0x39 [ 355.101998] [] __alloc_workqueue_key+0x8df/0xbf8 [ 355.122586] [] ? workqueue_sysfs_register+0x305/0x305 [ 355.144984] [] ? kasan_poison_shadow+0x2f/0x31 [ 355.166383] [] ? kasan_unpoison_shadow+0x14/0x35 [ 355.190220] [] ? kasan_kmalloc+0x94/0xa3 [ 355.211426] [] ? __kmalloc+0x2c1/0x2e7 [ 355.231203] [] init_workqueues+0xcab/0xddf [ 355.253245] [] ? wq_sysfs_init+0x41/0x41 [ 355.276288] [] ? put_online_cpus+0xb1/0xb4 [ 355.297037] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 355.328129] [] ? wq_sysfs_init+0x41/0x41 [ 355.353643] [] do_one_initcall+0x16d/0x258 [ 355.377542] [] ? initcall_blacklisted+0x198/0x198 [ 355.404966] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 355.428739] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 355.458181] [] kernel_init_freeable+0x231/0x518 [ 355.484991] [] ? balance_callback+0x3a/0x137 [ 355.509976] [] kernel_init+0x16/0x181 [ 355.528294] [] ret_from_fork+0x1f/0x40 [ 355.552015] [] ? rest_init+0x8f/0x8f [ 355.572513] ================================================================================ [ 355.605634] ================================================================================ [ 355.639088] UBSAN: Undefined behaviour in kernel/workqueue.c:3349:6 [ 355.665462] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 355.696469] which requires 64 byte alignment [ 355.713760] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 355.742019] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 355.782164] 00000000ffffffff 00000000b1a89c60 ffff88005c9df930 ffffffffb26ec5cc [ 355.813005] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 355.847733] ffff880000000010 ffff88005c9df958 ffff88005c9df908 ffffffffb363c3e0 [ 355.880161] Call Trace: [ 355.889538] [] dump_stack+0xd7/0x132 [ 355.909117] [] ? arch_local_irq_restore+0x1b/0x1b [ 355.932835] [] ubsan_epilogue+0x12/0x53 [ 355.956499] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 355.985986] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 356.009534] [] alloc_unbound_pwq+0x72d/0xa34 [ 356.030041] [] ? init_worker_pool+0x521/0x521 [ 356.052315] [] ? memcpy+0x45/0x4c [ 356.069024] [] apply_wqattrs_prepare+0xee/0x3a0 [ 356.092314] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 356.115957] [] apply_workqueue_attrs+0x2c/0x39 [ 356.136774] [] __alloc_workqueue_key+0x8df/0xbf8 [ 356.154657] [] ? workqueue_sysfs_register+0x305/0x305 [ 356.179817] [] ? kasan_poison_shadow+0x2f/0x31 [ 356.199919] [] ? kasan_unpoison_shadow+0x14/0x35 [ 356.222259] [] ? kasan_kmalloc+0x94/0xa3 [ 356.241076] [] ? __kmalloc+0x2c1/0x2e7 [ 356.256526] [] init_workqueues+0xcab/0xddf [ 356.274614] [] ? wq_sysfs_init+0x41/0x41 [ 356.294248] [] ? put_online_cpus+0xb1/0xb4 [ 356.314448] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 356.345161] [] ? wq_sysfs_init+0x41/0x41 [ 356.365235] [] do_one_initcall+0x16d/0x258 [ 356.385117] [] ? initcall_blacklisted+0x198/0x198 [ 356.409880] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 356.432435] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 356.454686] [] kernel_init_freeable+0x231/0x518 [ 356.474912] [] ? balance_callback+0x3a/0x137 [ 356.498421] [] kernel_init+0x16/0x181 [ 356.518382] [] ret_from_fork+0x1f/0x40 [ 356.535466] [] ? rest_init+0x8f/0x8f [ 356.552985] ================================================================================ [ 356.584490] ================================================================================ [ 356.613650] UBSAN: Undefined behaviour in kernel/workqueue.c:540:12 [ 356.638305] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 356.669877] which requires 64 byte alignment [ 356.684896] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 356.704176] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 356.738368] 00000000ffffffff 00000000b1a89c60 ffff88005c9df910 ffffffffb26ec5cc [ 356.763875] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 356.792064] 0000000000000010 ffff88005c9df938 ffff88005c9df8e8 ffffffffb363c3e0 [ 356.819451] Call Trace: [ 356.827910] [] dump_stack+0xd7/0x132 [ 356.844796] [] ? arch_local_irq_restore+0x1b/0x1b [ 356.868129] [] ubsan_epilogue+0x12/0x53 [ 356.884692] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 356.907193] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 356.933872] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 356.959716] [] worker_pool_assign_id+0x55/0x72 [ 356.981969] [] alloc_unbound_pwq+0x770/0xa34 [ 357.005839] [] ? init_worker_pool+0x521/0x521 [ 357.025366] [] ? memcpy+0x45/0x4c [ 357.044897] [] apply_wqattrs_prepare+0xee/0x3a0 [ 357.069925] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 357.092560] [] apply_workqueue_attrs+0x2c/0x39 [ 357.114314] [] __alloc_workqueue_key+0x8df/0xbf8 [ 357.140405] [] ? workqueue_sysfs_register+0x305/0x305 [ 357.163486] [] ? kasan_poison_shadow+0x2f/0x31 [ 357.184362] [] ? kasan_unpoison_shadow+0x14/0x35 [ 357.202615] [] ? kasan_kmalloc+0x94/0xa3 [ 357.226853] [] ? __kmalloc+0x2c1/0x2e7 [ 357.245989] [] init_workqueues+0xcab/0xddf [ 357.269948] [] ? wq_sysfs_init+0x41/0x41 [ 357.288945] [] ? put_online_cpus+0xb1/0xb4 [ 357.308796] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 357.336358] [] ? wq_sysfs_init+0x41/0x41 [ 357.360975] [] do_one_initcall+0x16d/0x258 [ 357.383076] [] ? initcall_blacklisted+0x198/0x198 [ 357.405555] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 357.428146] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 357.451609] [] kernel_init_freeable+0x231/0x518 [ 357.471083] [] ? balance_callback+0x3a/0x137 [ 357.492757] [] kernel_init+0x16/0x181 [ 357.508986] [] ret_from_fork+0x1f/0x40 [ 357.529492] [] ? rest_init+0x8f/0x8f [ 357.549766] ================================================================================ [ 357.578121] ================================================================================ [ 357.608453] UBSAN: Undefined behaviour in kernel/workqueue.c:1764:11 [ 357.632492] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 357.664432] which requires 64 byte alignment [ 357.678679] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 357.699026] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 357.731043] 00000000ffffffff 00000000b1a89c60 ffff88005c9df880 ffffffffb26ec5cc [ 357.757539] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 357.784103] 0000000000000010 ffff88005c9df8a8 ffff88005c9df858 ffffffffb363c3e0 [ 357.810935] Call Trace: [ 357.821023] [] dump_stack+0xd7/0x132 [ 357.839792] [] ? arch_local_irq_restore+0x1b/0x1b [ 357.860863] [] ubsan_epilogue+0x12/0x53 [ 357.877906] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 357.903672] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 357.929271] [] ? arch_local_irq_restore+0x6/0xd [ 357.949364] [] create_worker+0xc0/0x528 [ 357.968889] [] ? alloc_worker+0x1a6/0x1a6 [ 357.989883] [] alloc_unbound_pwq+0x785/0xa34 [ 358.008959] [] ? init_worker_pool+0x521/0x521 [ 358.030792] [] ? memcpy+0x45/0x4c [ 358.049200] [] apply_wqattrs_prepare+0xee/0x3a0 [ 358.070410] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 358.096037] [] apply_workqueue_attrs+0x2c/0x39 [ 358.115991] [] __alloc_workqueue_key+0x8df/0xbf8 [ 358.136928] [] ? workqueue_sysfs_register+0x305/0x305 [ 358.161358] [] ? kasan_poison_shadow+0x2f/0x31 [ 358.184128] [] ? kasan_unpoison_shadow+0x14/0x35 [ 358.205696] [] ? kasan_kmalloc+0x94/0xa3 [ 358.225206] [] ? __kmalloc+0x2c1/0x2e7 [ 358.244980] [] init_workqueues+0xcab/0xddf [ 358.265073] [] ? wq_sysfs_init+0x41/0x41 [ 358.284564] [] ? put_online_cpus+0xb1/0xb4 [ 358.306074] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 358.333085] [] ? wq_sysfs_init+0x41/0x41 [ 358.352185] [] do_one_initcall+0x16d/0x258 [ 358.373091] [] ? initcall_blacklisted+0x198/0x198 [ 358.393897] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 358.418042] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 358.443121] [] kernel_init_freeable+0x231/0x518 [ 358.465749] [] ? balance_callback+0x3a/0x137 [ 358.486020] [] kernel_init+0x16/0x181 [ 358.503222] [] ret_from_fork+0x1f/0x40 [ 358.524249] [] ? rest_init+0x8f/0x8f [ 358.543586] ================================================================================ [ 358.571272] ================================================================================ [ 358.599619] UBSAN: Undefined behaviour in kernel/workqueue.c:1771:10 [ 358.622194] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 358.651336] which requires 64 byte alignment [ 358.667503] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 358.687136] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 358.723988] 00000000ffffffff 00000000b1a89c60 ffff88005c9df880 ffffffffb26ec5cc [ 358.751179] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 358.778062] 0000000000000010 ffff88005c9df8a8 ffff88005c9df858 ffffffffb363c3e0 [ 358.904181] Call Trace: [ 358.912149] [] dump_stack+0xd7/0x132 [ 358.937379] [] ? arch_local_irq_restore+0x1b/0x1b [ 358.958272] [] ubsan_epilogue+0x12/0x53 [ 358.978800] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 359.003560] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 359.028146] [] ? pool_mayday_timeout+0x229/0x229 [ 359.050188] [] create_worker+0x15c/0x528 [ 359.070230] [] ? alloc_worker+0x1a6/0x1a6 [ 359.094476] [] alloc_unbound_pwq+0x785/0xa34 [ 359.117120] [] ? init_worker_pool+0x521/0x521 [ 359.138573] [] ? memcpy+0x45/0x4c [ 359.156135] [] apply_wqattrs_prepare+0xee/0x3a0 [ 359.174940] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 359.199793] [] apply_workqueue_attrs+0x2c/0x39 [ 359.223197] [] __alloc_workqueue_key+0x8df/0xbf8 [ 359.242425] [] ? workqueue_sysfs_register+0x305/0x305 [ 359.264863] [] ? kasan_poison_shadow+0x2f/0x31 [ 359.287373] [] ? kasan_unpoison_shadow+0x14/0x35 [ 359.313472] [] ? kasan_kmalloc+0x94/0xa3 [ 359.332289] [] ? __kmalloc+0x2c1/0x2e7 [ 359.350716] [] init_workqueues+0xcab/0xddf [ 359.370737] [] ? wq_sysfs_init+0x41/0x41 [ 359.389355] [] ? put_online_cpus+0xb1/0xb4 [ 359.409459] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 359.439398] [] ? wq_sysfs_init+0x41/0x41 [ 359.456401] [] do_one_initcall+0x16d/0x258 [ 359.478124] [] ? initcall_blacklisted+0x198/0x198 [ 359.500503] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 359.522916] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 359.544151] [] kernel_init_freeable+0x231/0x518 [ 359.565732] [] ? balance_callback+0x3a/0x137 [ 359.587153] [] kernel_init+0x16/0x181 [ 359.609216] [] ret_from_fork+0x1f/0x40 [ 359.629733] [] ? rest_init+0x8f/0x8f [ 359.648070] ================================================================================ [ 359.676910] ================================================================================ [ 359.709776] UBSAN: Undefined behaviour in kernel/workqueue.c:1775:3 [ 359.731861] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 359.764571] which requires 64 byte alignment [ 359.777208] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 359.796625] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 359.830914] 00000000ffffffff 00000000b1a89c60 ffff88005c9df880 ffffffffb26ec5cc [ 359.855596] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 359.882565] ffff880000000010 ffff88005c9df8a8 ffff88005c9df858 ffffffffb363c3e0 [ 359.910525] Call Trace: [ 359.918110] [] dump_stack+0xd7/0x132 [ 359.938971] [] ? arch_local_irq_restore+0x1b/0x1b [ 359.960040] [] ubsan_epilogue+0x12/0x53 [ 359.979678] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 360.003822] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 360.029405] [] ? pool_mayday_timeout+0x229/0x229 [ 360.050304] [] create_worker+0x241/0x528 [ 360.070228] [] ? alloc_worker+0x1a6/0x1a6 [ 360.090937] [] alloc_unbound_pwq+0x785/0xa34 [ 360.113555] [] ? init_worker_pool+0x521/0x521 [ 360.134790] [] ? memcpy+0x45/0x4c [ 360.154528] [] apply_wqattrs_prepare+0xee/0x3a0 [ 360.174747] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 360.203022] [] apply_workqueue_attrs+0x2c/0x39 [ 360.225823] [] __alloc_workqueue_key+0x8df/0xbf8 [ 360.249004] [] ? workqueue_sysfs_register+0x305/0x305 [ 360.273710] [] ? kasan_poison_shadow+0x2f/0x31 [ 360.294003] [] ? kasan_unpoison_shadow+0x14/0x35 [ 360.340174] [] ? kasan_kmalloc+0x94/0xa3 [ 360.375569] [] ? __kmalloc+0x2c1/0x2e7 [ 360.398057] [] init_workqueues+0xcab/0xddf [ 360.418820] [] ? wq_sysfs_init+0x41/0x41 [ 360.437497] [] ? put_online_cpus+0xb1/0xb4 [ 360.461704] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 360.489947] [] ? wq_sysfs_init+0x41/0x41 [ 360.518798] [] do_one_initcall+0x16d/0x258 [ 360.550443] [] ? initcall_blacklisted+0x198/0x198 [ 360.576098] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 360.607602] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 360.633375] [] kernel_init_freeable+0x231/0x518 [ 360.658673] [] ? balance_callback+0x3a/0x137 [ 360.677430] [] kernel_init+0x16/0x181 [ 360.699182] [] ret_from_fork+0x1f/0x40 [ 360.717974] [] ? rest_init+0x8f/0x8f [ 360.736542] ================================================================================ [ 360.764350] ================================================================================ [ 360.790604] UBSAN: Undefined behaviour in kernel/workqueue.c:1777:17 [ 360.811574] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 360.840347] which requires 64 byte alignment [ 360.853701] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 360.874301] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 360.907479] 00000000ffffffff 00000000b1a89c60 ffff88005c9df880 ffffffffb26ec5cc [ 360.936157] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 360.964663] ffff880000000010 ffff88005c9df8a8 ffff88005c9df858 ffffffffb363c3e0 [ 360.986752] Call Trace: [ 360.997531] [] dump_stack+0xd7/0x132 [ 361.015964] [] ? arch_local_irq_restore+0x1b/0x1b [ 361.096600] [] ubsan_epilogue+0x12/0x53 [ 361.155196] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 361.176365] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 361.201180] [] create_worker+0x282/0x528 [ 361.219922] [] ? alloc_worker+0x1a6/0x1a6 [ 361.239295] [] alloc_unbound_pwq+0x785/0xa34 [ 361.260284] [] ? init_worker_pool+0x521/0x521 [ 361.280030] [] ? memcpy+0x45/0x4c [ 361.296934] [] apply_wqattrs_prepare+0xee/0x3a0 [ 361.323830] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 361.346441] [] apply_workqueue_attrs+0x2c/0x39 [ 361.368716] [] __alloc_workqueue_key+0x8df/0xbf8 [ 361.391359] [] ? workqueue_sysfs_register+0x305/0x305 [ 361.414375] [] ? kasan_poison_shadow+0x2f/0x31 [ 361.433697] [] ? kasan_unpoison_shadow+0x14/0x35 [ 361.453023] [] ? kasan_kmalloc+0x94/0xa3 [ 361.471082] [] ? __kmalloc+0x2c1/0x2e7 [ 361.489466] [] init_workqueues+0xcab/0xddf [ 361.507758] [] ? wq_sysfs_init+0x41/0x41 [ 361.529850] [] ? put_online_cpus+0xb1/0xb4 [ 361.548419] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 361.576372] [] ? wq_sysfs_init+0x41/0x41 [ 361.605706] [] do_one_initcall+0x16d/0x258 [ 361.627033] [] ? initcall_blacklisted+0x198/0x198 [ 361.649143] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 361.679150] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 361.701569] [] kernel_init_freeable+0x231/0x518 [ 361.724361] [] ? balance_callback+0x3a/0x137 [ 361.746968] [] kernel_init+0x16/0x181 [ 361.765654] [] ret_from_fork+0x1f/0x40 [ 361.783674] [] ? rest_init+0x8f/0x8f [ 361.799875] ================================================================================ [ 361.833360] ================================================================================ [ 361.861063] UBSAN: Undefined behaviour in kernel/workqueue.c:1782:34 [ 361.883254] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 361.914004] which requires 64 byte alignment [ 361.928247] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 361.949166] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 361.985992] 00000000ffffffff 00000000b1a89c60 ffff88005c9df880 ffffffffb26ec5cc [ 362.009645] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 362.034988] ffff880000000010 ffff88005c9df8a8 ffff88005c9df858 ffffffffb363c3e0 [ 362.063599] Call Trace: [ 362.070810] [] dump_stack+0xd7/0x132 [ 362.089878] [] ? arch_local_irq_restore+0x1b/0x1b [ 362.113270] [] ubsan_epilogue+0x12/0x53 [ 362.132362] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 362.154945] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 362.182054] [] create_worker+0x31b/0x528 [ 362.197994] [] ? alloc_worker+0x1a6/0x1a6 [ 362.216454] [] alloc_unbound_pwq+0x785/0xa34 [ 362.237674] [] ? init_worker_pool+0x521/0x521 [ 362.259605] [] ? memcpy+0x45/0x4c [ 362.275830] [] apply_wqattrs_prepare+0xee/0x3a0 [ 362.298280] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 362.325263] [] apply_workqueue_attrs+0x2c/0x39 [ 362.345055] [] __alloc_workqueue_key+0x8df/0xbf8 [ 362.365821] [] ? workqueue_sysfs_register+0x305/0x305 [ 362.391186] [] ? kasan_poison_shadow+0x2f/0x31 [ 362.412954] [] ? kasan_unpoison_shadow+0x14/0x35 [ 362.438535] [] ? kasan_kmalloc+0x94/0xa3 [ 362.456487] [] ? __kmalloc+0x2c1/0x2e7 [ 362.474182] [] init_workqueues+0xcab/0xddf [ 362.494928] [] ? wq_sysfs_init+0x41/0x41 [ 362.515560] [] ? put_online_cpus+0xb1/0xb4 [ 362.533267] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 362.559495] [] ? wq_sysfs_init+0x41/0x41 [ 362.581986] [] do_one_initcall+0x16d/0x258 [ 362.603966] [] ? initcall_blacklisted+0x198/0x198 [ 362.630170] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 362.656311] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 362.684152] [] kernel_init_freeable+0x231/0x518 [ 362.712292] [] ? balance_callback+0x3a/0x137 [ 362.734399] [] kernel_init+0x16/0x181 [ 362.753232] [] ret_from_fork+0x1f/0x40 [ 362.770759] [] ? rest_init+0x8f/0x8f [ 362.792132] ================================================================================ [ 362.823681] ================================================================================ [ 362.851814] UBSAN: Undefined behaviour in kernel/workqueue.c:1783:38 [ 362.885521] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 362.917765] which requires 64 byte alignment [ 362.932147] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 362.954077] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 362.993339] 00000000ffffffff 00000000b1a89c60 ffff88005c9df880 ffffffffb26ec5cc [ 363.024024] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 363.050382] ffff880000000010 ffff88005c9df8a8 ffff88005c9df858 ffffffffb363c3e0 [ 363.079613] Call Trace: [ 363.090454] [] dump_stack+0xd7/0x132 [ 363.112473] [] ? arch_local_irq_restore+0x1b/0x1b [ 363.140701] [] ubsan_epilogue+0x12/0x53 [ 363.162575] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 363.191902] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 363.223800] [] create_worker+0x39c/0x528 [ 363.244926] [] ? alloc_worker+0x1a6/0x1a6 [ 363.264139] [] alloc_unbound_pwq+0x785/0xa34 [ 363.283800] [] ? init_worker_pool+0x521/0x521 [ 363.304239] [] ? memcpy+0x45/0x4c [ 363.324831] [] apply_wqattrs_prepare+0xee/0x3a0 [ 363.346347] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 363.367920] [] apply_workqueue_attrs+0x2c/0x39 [ 363.389513] [] __alloc_workqueue_key+0x8df/0xbf8 [ 363.413229] [] ? workqueue_sysfs_register+0x305/0x305 [ 363.437153] [] ? kasan_poison_shadow+0x2f/0x31 [ 363.460139] [] ? kasan_unpoison_shadow+0x14/0x35 [ 363.485914] [] ? kasan_kmalloc+0x94/0xa3 [ 363.511980] [] ? __kmalloc+0x2c1/0x2e7 [ 363.534741] [] init_workqueues+0xcab/0xddf [ 363.560075] [] ? wq_sysfs_init+0x41/0x41 [ 363.581660] [] ? put_online_cpus+0xb1/0xb4 [ 363.607898] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 363.638613] [] ? wq_sysfs_init+0x41/0x41 [ 363.662413] [] do_one_initcall+0x16d/0x258 [ 363.682441] [] ? initcall_blacklisted+0x198/0x198 [ 363.705611] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 363.731903] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 363.756971] [] kernel_init_freeable+0x231/0x518 [ 363.778871] [] ? balance_callback+0x3a/0x137 [ 363.801964] [] kernel_init+0x16/0x181 [ 363.823661] [] ret_from_fork+0x1f/0x40 [ 363.843817] [] ? rest_init+0x8f/0x8f [ 363.862438] ================================================================================ [ 363.890170] ================================================================================ [ 363.924239] UBSAN: Undefined behaviour in kernel/workqueue.c:1699:41 [ 363.947560] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 363.983008] which requires 64 byte alignment [ 364.000930] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 364.024963] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 364.070048] 00000000ffffffff 00000000b1a89c60 ffff88005c9df850 ffffffffb26ec5cc [ 364.115077] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 364.156217] ffffffff00000010 ffff88005c9df878 ffff88005c9df828 ffffffffb363c3e0 [ 364.190325] Call Trace: [ 364.202838] [] dump_stack+0xd7/0x132 [ 364.224208] [] ? arch_local_irq_restore+0x1b/0x1b [ 364.249968] [] ubsan_epilogue+0x12/0x53 [ 364.272413] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 364.302528] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 364.334025] [] ? do_set_cpus_allowed+0x1a8/0x21f [ 364.365847] [] worker_attach_to_pool+0x45/0x12b [ 364.392398] [] create_worker+0x3ed/0x528 [ 364.415184] [] ? alloc_worker+0x1a6/0x1a6 [ 364.438594] [] alloc_unbound_pwq+0x785/0xa34 [ 364.462149] [] ? init_worker_pool+0x521/0x521 [ 364.487558] [] ? memcpy+0x45/0x4c [ 364.508759] [] apply_wqattrs_prepare+0xee/0x3a0 [ 364.535272] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 364.564045] [] apply_workqueue_attrs+0x2c/0x39 [ 364.588446] [] __alloc_workqueue_key+0x8df/0xbf8 [ 364.613284] [] ? workqueue_sysfs_register+0x305/0x305 [ 364.641516] [] ? kasan_poison_shadow+0x2f/0x31 [ 364.663701] [] ? kasan_unpoison_shadow+0x14/0x35 [ 364.686422] [] ? kasan_kmalloc+0x94/0xa3 [ 364.706380] [] ? __kmalloc+0x2c1/0x2e7 [ 364.727925] [] init_workqueues+0xcab/0xddf [ 364.750914] [] ? wq_sysfs_init+0x41/0x41 [ 364.771174] [] ? put_online_cpus+0xb1/0xb4 [ 364.793524] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 364.828079] [] ? wq_sysfs_init+0x41/0x41 [ 364.850586] [] do_one_initcall+0x16d/0x258 [ 364.871541] [] ? initcall_blacklisted+0x198/0x198 [ 364.894500] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 364.922772] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 364.947642] [] kernel_init_freeable+0x231/0x518 [ 364.971944] [] ? balance_callback+0x3a/0x137 [ 364.994495] [] kernel_init+0x16/0x181 [ 365.016727] [] ret_from_fork+0x1f/0x40 [ 365.038883] [] ? rest_init+0x8f/0x8f [ 365.059771] ================================================================================ [ 365.091806] ================================================================================ [ 365.125864] UBSAN: Undefined behaviour in kernel/workqueue.c:1706:10 [ 365.149120] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 365.183777] which requires 64 byte alignment [ 365.196585] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 365.222573] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 365.258611] 00000000ffffffff 00000000b1a89c60 ffff88005c9df850 ffffffffb26ec5cc [ 365.292767] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 365.325680] ffff880000000010 ffff88005c9df878 ffff88005c9df828 ffffffffb363c3e0 [ 365.354828] Call Trace: [ 365.366320] [] dump_stack+0xd7/0x132 [ 365.386032] [] ? arch_local_irq_restore+0x1b/0x1b [ 365.407227] [] ubsan_epilogue+0x12/0x53 [ 365.429894] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 365.459442] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 365.486825] [] ? do_set_cpus_allowed+0x1a8/0x21f [ 365.514487] [] worker_attach_to_pool+0xa6/0x12b [ 365.544646] [] create_worker+0x3ed/0x528 [ 365.565324] [] ? alloc_worker+0x1a6/0x1a6 [ 365.590060] [] alloc_unbound_pwq+0x785/0xa34 [ 365.613212] [] ? init_worker_pool+0x521/0x521 [ 365.639226] [] ? memcpy+0x45/0x4c [ 365.656829] [] apply_wqattrs_prepare+0xee/0x3a0 [ 365.683070] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 365.709210] [] apply_workqueue_attrs+0x2c/0x39 [ 365.738453] [] __alloc_workqueue_key+0x8df/0xbf8 [ 365.761151] [] ? workqueue_sysfs_register+0x305/0x305 [ 365.787894] [] ? kasan_poison_shadow+0x2f/0x31 [ 365.814759] [] ? kasan_unpoison_shadow+0x14/0x35 [ 365.842920] [] ? kasan_kmalloc+0x94/0xa3 [ 365.865081] [] ? __kmalloc+0x2c1/0x2e7 [ 365.886797] [] init_workqueues+0xcab/0xddf [ 365.907759] [] ? wq_sysfs_init+0x41/0x41 [ 365.932599] [] ? put_online_cpus+0xb1/0xb4 [ 365.958370] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 365.992266] [] ? wq_sysfs_init+0x41/0x41 [ 366.016337] [] do_one_initcall+0x16d/0x258 [ 366.044287] [] ? initcall_blacklisted+0x198/0x198 [ 366.069848] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 366.096573] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 366.124526] [] kernel_init_freeable+0x231/0x518 [ 366.148914] [] ? balance_callback+0x3a/0x137 [ 366.170623] [] kernel_init+0x16/0x181 [ 366.191238] [] ret_from_fork+0x1f/0x40 [ 366.213341] [] ? rest_init+0x8f/0x8f [ 366.233951] ================================================================================ [ 366.270541] ================================================================================ [ 366.302635] UBSAN: Undefined behaviour in kernel/workqueue.c:1790:14 [ 366.328024] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 366.367465] which requires 64 byte alignment [ 366.386621] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 366.409074] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 366.448386] 00000000ffffffff 00000000b1a89c60 ffff88005c9df880 ffffffffb26ec5cc [ 366.477337] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 366.505434] 0000000000000010 ffff88005c9df8a8 ffff88005c9df858 ffffffffb363c3e0 [ 366.535454] Call Trace: [ 366.546442] [] dump_stack+0xd7/0x132 [ 366.567387] [] ? arch_local_irq_restore+0x1b/0x1b [ 366.596910] [] ubsan_epilogue+0x12/0x53 [ 366.620589] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 366.648117] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 366.681339] [] create_worker+0x438/0x528 [ 366.707688] [] ? alloc_worker+0x1a6/0x1a6 [ 366.730459] [] alloc_unbound_pwq+0x785/0xa34 [ 366.759205] [] ? init_worker_pool+0x521/0x521 [ 366.783975] [] ? memcpy+0x45/0x4c [ 366.811033] [] apply_wqattrs_prepare+0xee/0x3a0 [ 366.842129] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 366.872777] [] apply_workqueue_attrs+0x2c/0x39 [ 366.894799] [] __alloc_workqueue_key+0x8df/0xbf8 [ 366.919380] [] ? workqueue_sysfs_register+0x305/0x305 [ 366.944848] [] ? kasan_poison_shadow+0x2f/0x31 [ 366.967900] [] ? kasan_unpoison_shadow+0x14/0x35 [ 366.994517] [] ? kasan_kmalloc+0x94/0xa3 [ 367.020498] [] ? __kmalloc+0x2c1/0x2e7 [ 367.043565] [] init_workqueues+0xcab/0xddf [ 367.069421] [] ? wq_sysfs_init+0x41/0x41 [ 367.092895] [] ? put_online_cpus+0xb1/0xb4 [ 367.118555] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 367.150649] [] ? wq_sysfs_init+0x41/0x41 [ 367.172219] [] do_one_initcall+0x16d/0x258 [ 367.193797] [] ? initcall_blacklisted+0x198/0x198 [ 367.225772] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 367.251081] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 367.275994] [] kernel_init_freeable+0x231/0x518 [ 367.303896] [] ? balance_callback+0x3a/0x137 [ 367.326773] [] kernel_init+0x16/0x181 [ 367.348243] [] ret_from_fork+0x1f/0x40 [ 367.373092] [] ? rest_init+0x8f/0x8f [ 367.396601] ================================================================================ [ 367.444718] ================================================================================ [ 367.486109] UBSAN: Undefined behaviour in kernel/workqueue.c:1790:26 [ 367.512940] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 367.547832] which requires 64 byte alignment [ 367.564264] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 367.585814] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 367.625275] 00000000ffffffff 00000000b1a89c60 ffff88005c9df880 ffffffffb26ec5cc [ 367.651648] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 367.681967] 0000000000000010 ffff88005c9df8a8 ffff88005c9df858 ffffffffb363c3e0 [ 367.709012] Call Trace: [ 367.719907] [] dump_stack+0xd7/0x132 [ 367.740091] [] ? arch_local_irq_restore+0x1b/0x1b [ 367.766259] [] ubsan_epilogue+0x12/0x53 [ 367.794192] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 367.842270] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 367.872558] [] create_worker+0x479/0x528 [ 367.894975] [] ? alloc_worker+0x1a6/0x1a6 [ 367.918332] [] alloc_unbound_pwq+0x785/0xa34 [ 367.944232] [] ? init_worker_pool+0x521/0x521 [ 367.967553] [] ? memcpy+0x45/0x4c [ 367.986661] [] apply_wqattrs_prepare+0xee/0x3a0 [ 368.015836] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 368.047014] [] apply_workqueue_attrs+0x2c/0x39 [ 368.071094] [] __alloc_workqueue_key+0x8df/0xbf8 [ 368.096778] [] ? workqueue_sysfs_register+0x305/0x305 [ 368.127962] [] ? kasan_poison_shadow+0x2f/0x31 [ 368.149855] [] ? kasan_unpoison_shadow+0x14/0x35 [ 368.174078] [] ? kasan_kmalloc+0x94/0xa3 [ 368.194164] [] ? __kmalloc+0x2c1/0x2e7 [ 368.218937] [] init_workqueues+0xcab/0xddf [ 368.243974] [] ? wq_sysfs_init+0x41/0x41 [ 368.264213] [] ? put_online_cpus+0xb1/0xb4 [ 368.290241] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 368.324773] [] ? wq_sysfs_init+0x41/0x41 [ 368.347606] [] do_one_initcall+0x16d/0x258 [ 368.370223] [] ? initcall_blacklisted+0x198/0x198 [ 368.393846] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 368.425138] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 368.451236] [] kernel_init_freeable+0x231/0x518 [ 368.476660] [] ? balance_callback+0x3a/0x137 [ 368.500254] [] kernel_init+0x16/0x181 [ 368.522931] [] ret_from_fork+0x1f/0x40 [ 368.547875] [] ? rest_init+0x8f/0x8f [ 368.570632] ================================================================================ [ 368.602275] ================================================================================ [ 368.637890] UBSAN: Undefined behaviour in kernel/workqueue.c:1626:6 [ 368.660164] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 368.696326] which requires 64 byte alignment [ 368.714299] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 368.737397] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 368.770830] 00000000ffffffff 00000000b1a89c60 ffff88005c9df848 ffffffffb26ec5cc [ 368.802896] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 368.832283] 0000000000000010 ffff88005c9df870 ffff88005c9df820 ffffffffb363c3e0 [ 368.863637] Call Trace: [ 368.870788] [] dump_stack+0xd7/0x132 [ 368.898894] [] ? arch_local_irq_restore+0x1b/0x1b [ 368.926066] [] ubsan_epilogue+0x12/0x53 [ 368.959868] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 368.990056] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 369.022967] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 369.050530] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 369.075602] [] worker_enter_idle+0x225/0x531 [ 369.113928] [] create_worker+0x485/0x528 [ 369.139211] [] ? alloc_worker+0x1a6/0x1a6 [ 369.163309] [] alloc_unbound_pwq+0x785/0xa34 [ 369.186571] [] ? init_worker_pool+0x521/0x521 [ 369.213140] [] ? memcpy+0x45/0x4c [ 369.234109] [] apply_wqattrs_prepare+0xee/0x3a0 [ 369.261159] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 369.288427] [] apply_workqueue_attrs+0x2c/0x39 [ 369.314304] [] __alloc_workqueue_key+0x8df/0xbf8 [ 369.343166] [] ? workqueue_sysfs_register+0x305/0x305 [ 369.368649] [] ? kasan_poison_shadow+0x2f/0x31 [ 369.395707] [] ? kasan_unpoison_shadow+0x14/0x35 [ 369.422887] [] ? kasan_kmalloc+0x94/0xa3 [ 369.446988] [] ? __kmalloc+0x2c1/0x2e7 [ 369.470024] [] init_workqueues+0xcab/0xddf [ 369.494277] [] ? wq_sysfs_init+0x41/0x41 [ 369.515987] [] ? put_online_cpus+0xb1/0xb4 [ 369.537654] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 369.567777] [] ? wq_sysfs_init+0x41/0x41 [ 369.589729] [] do_one_initcall+0x16d/0x258 [ 369.613241] [] ? initcall_blacklisted+0x198/0x198 [ 369.636993] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 369.662620] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 369.685879] [] kernel_init_freeable+0x231/0x518 [ 369.706428] [] ? balance_callback+0x3a/0x137 [ 369.733627] [] kernel_init+0x16/0x181 [ 369.758120] [] ret_from_fork+0x1f/0x40 [ 369.779828] [] ? rest_init+0x8f/0x8f [ 369.797758] ================================================================================ [ 369.833834] ================================================================================ [ 369.868809] UBSAN: Undefined behaviour in kernel/workqueue.c:1626:15 [ 369.895656] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 369.932624] which requires 64 byte alignment [ 369.948846] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 369.980568] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 370.022542] 00000000ffffffff 00000000b1a89c60 ffff88005c9df848 ffffffffb26ec5cc [ 370.056417] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 370.089409] 0000000000000010 ffff88005c9df870 ffff88005c9df820 ffffffffb363c3e0 [ 370.130931] Call Trace: [ 370.142210] [] dump_stack+0xd7/0x132 [ 370.165266] [] ? arch_local_irq_restore+0x1b/0x1b [ 370.190993] [] ubsan_epilogue+0x12/0x53 [ 370.216246] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 370.248803] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 370.280433] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 370.310822] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 370.345169] [] worker_enter_idle+0x268/0x531 [ 370.368032] [] create_worker+0x485/0x528 [ 370.392372] [] ? alloc_worker+0x1a6/0x1a6 [ 370.414923] [] alloc_unbound_pwq+0x785/0xa34 [ 370.437031] [] ? init_worker_pool+0x521/0x521 [ 370.464905] [] ? memcpy+0x45/0x4c [ 370.483027] [] apply_wqattrs_prepare+0xee/0x3a0 [ 370.511136] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 370.540855] [] apply_workqueue_attrs+0x2c/0x39 [ 370.572458] [] __alloc_workqueue_key+0x8df/0xbf8 [ 370.604040] [] ? workqueue_sysfs_register+0x305/0x305 [ 370.631015] [] ? kasan_poison_shadow+0x2f/0x31 [ 370.661923] [] ? kasan_unpoison_shadow+0x14/0x35 [ 370.691421] [] ? kasan_kmalloc+0x94/0xa3 [ 370.712421] [] ? __kmalloc+0x2c1/0x2e7 [ 370.732936] [] init_workqueues+0xcab/0xddf [ 370.759802] [] ? wq_sysfs_init+0x41/0x41 [ 370.781794] [] ? put_online_cpus+0xb1/0xb4 [ 370.803754] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 370.832841] [] ? wq_sysfs_init+0x41/0x41 [ 370.854323] [] do_one_initcall+0x16d/0x258 [ 370.878818] [] ? initcall_blacklisted+0x198/0x198 [ 370.906930] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 370.932258] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 370.963430] [] kernel_init_freeable+0x231/0x518 [ 370.986298] [] ? balance_callback+0x3a/0x137 [ 371.012481] [] kernel_init+0x16/0x181 [ 371.032999] [] ret_from_fork+0x1f/0x40 [ 371.053471] [] ? rest_init+0x8f/0x8f [ 371.074537] ================================================================================ [ 371.107936] ================================================================================ [ 371.140388] UBSAN: Undefined behaviour in kernel/workqueue.c:803:20 [ 371.166750] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 371.199754] which requires 64 byte alignment [ 371.215052] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 371.237857] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 371.274861] 00000000ffffffff 00000000b1a89c60 ffff88005c9df848 ffffffffb26ec5cc [ 371.304130] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 371.337976] 0000000000000010 ffff88005c9df870 ffff88005c9df820 ffffffffb363c3e0 [ 371.369390] Call Trace: [ 371.380728] [] dump_stack+0xd7/0x132 [ 371.401693] [] ? arch_local_irq_restore+0x1b/0x1b [ 371.429472] [] ubsan_epilogue+0x12/0x53 [ 371.454445] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 371.477803] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 371.509554] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 371.559599] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 371.587855] [] worker_enter_idle+0x32e/0x531 [ 371.608366] [] create_worker+0x485/0x528 [ 371.627710] [] ? alloc_worker+0x1a6/0x1a6 [ 371.646204] [] alloc_unbound_pwq+0x785/0xa34 [ 371.668295] [] ? init_worker_pool+0x521/0x521 [ 371.692098] [] ? memcpy+0x45/0x4c [ 371.710950] [] apply_wqattrs_prepare+0xee/0x3a0 [ 371.735151] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 371.766706] [] apply_workqueue_attrs+0x2c/0x39 [ 371.791491] [] __alloc_workqueue_key+0x8df/0xbf8 [ 371.817549] [] ? workqueue_sysfs_register+0x305/0x305 [ 371.843952] [] ? kasan_poison_shadow+0x2f/0x31 [ 371.866844] [] ? kasan_unpoison_shadow+0x14/0x35 [ 371.892030] [] ? kasan_kmalloc+0x94/0xa3 [ 371.913388] [] ? __kmalloc+0x2c1/0x2e7 [ 371.933551] [] init_workqueues+0xcab/0xddf [ 371.955417] [] ? wq_sysfs_init+0x41/0x41 [ 371.977939] [] ? put_online_cpus+0xb1/0xb4 [ 372.002640] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 372.037250] [] ? wq_sysfs_init+0x41/0x41 [ 372.061910] [] do_one_initcall+0x16d/0x258 [ 372.086998] [] ? initcall_blacklisted+0x198/0x198 [ 372.111474] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 372.139117] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 372.167149] [] kernel_init_freeable+0x231/0x518 [ 372.194059] [] ? balance_callback+0x3a/0x137 [ 372.222681] [] kernel_init+0x16/0x181 [ 372.244629] [] ret_from_fork+0x1f/0x40 [ 372.264435] [] ? rest_init+0x8f/0x8f [ 372.286569] ================================================================================ [ 372.328874] ================================================================================ [ 372.422705] UBSAN: Undefined behaviour in kernel/workqueue.c:804:20 [ 372.451703] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 372.497470] which requires 64 byte alignment [ 372.516709] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 372.538321] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 372.580929] 00000000ffffffff 00000000b1a89c60 ffff88005c9df848 ffffffffb26ec5cc [ 372.614614] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 372.650626] 0000000000000010 ffff88005c9df870 ffff88005c9df820 ffffffffb363c3e0 [ 372.679832] Call Trace: [ 372.690444] [] dump_stack+0xd7/0x132 [ 372.715807] [] ? arch_local_irq_restore+0x1b/0x1b [ 372.738890] [] ubsan_epilogue+0x12/0x53 [ 372.759443] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 372.790331] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 372.819928] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 372.867558] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 372.898377] [] worker_enter_idle+0x36a/0x531 [ 372.923563] [] create_worker+0x485/0x528 [ 372.952562] [] ? alloc_worker+0x1a6/0x1a6 [ 372.973904] [] alloc_unbound_pwq+0x785/0xa34 [ 372.997787] [] ? init_worker_pool+0x521/0x521 [ 373.020970] [] ? memcpy+0x45/0x4c [ 373.038908] [] apply_wqattrs_prepare+0xee/0x3a0 [ 373.061971] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 373.088487] [] apply_workqueue_attrs+0x2c/0x39 [ 373.114049] [] __alloc_workqueue_key+0x8df/0xbf8 [ 373.137001] [] ? workqueue_sysfs_register+0x305/0x305 [ 373.162157] [] ? kasan_poison_shadow+0x2f/0x31 [ 373.189627] [] ? kasan_unpoison_shadow+0x14/0x35 [ 373.229383] [] ? kasan_kmalloc+0x94/0xa3 [ 373.252592] [] ? __kmalloc+0x2c1/0x2e7 [ 373.275287] [] init_workqueues+0xcab/0xddf [ 373.298193] [] ? wq_sysfs_init+0x41/0x41 [ 373.322448] [] ? put_online_cpus+0xb1/0xb4 [ 373.346764] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 373.388769] [] ? wq_sysfs_init+0x41/0x41 [ 373.410321] [] do_one_initcall+0x16d/0x258 [ 373.433951] [] ? initcall_blacklisted+0x198/0x198 [ 373.464320] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 373.499079] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 373.529676] [] kernel_init_freeable+0x231/0x518 [ 373.556681] [] ? balance_callback+0x3a/0x137 [ 373.580836] [] kernel_init+0x16/0x181 [ 373.599189] [] ret_from_fork+0x1f/0x40 [ 373.622433] [] ? rest_init+0x8f/0x8f [ 373.654447] ================================================================================ [ 373.695138] ================================================================================ [ 373.731797] UBSAN: Undefined behaviour in kernel/workqueue.c:1641:2 [ 373.764375] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 373.802179] which requires 64 byte alignment [ 373.818530] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 373.842520] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 373.883694] 00000000ffffffff 00000000b1a89c60 ffff88005c9df848 ffffffffb26ec5cc [ 373.916081] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 373.949710] 0000000000000010 ffff88005c9df870 ffff88005c9df820 ffffffffb363c3e0 [ 373.975932] Call Trace: [ 373.985194] [] dump_stack+0xd7/0x132 [ 374.009184] [] ? arch_local_irq_restore+0x1b/0x1b [ 374.034584] [] ubsan_epilogue+0x12/0x53 [ 374.060016] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 374.087635] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 374.120174] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 374.157934] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 374.188845] [] worker_enter_idle+0x431/0x531 [ 374.213992] [] create_worker+0x485/0x528 [ 374.238274] [] ? alloc_worker+0x1a6/0x1a6 [ 374.262007] [] alloc_unbound_pwq+0x785/0xa34 [ 374.287787] [] ? init_worker_pool+0x521/0x521 [ 374.310967] [] ? memcpy+0x45/0x4c [ 374.331471] [] apply_wqattrs_prepare+0xee/0x3a0 [ 374.354115] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 374.386951] [] apply_workqueue_attrs+0x2c/0x39 [ 374.411474] [] __alloc_workqueue_key+0x8df/0xbf8 [ 374.437148] [] ? workqueue_sysfs_register+0x305/0x305 [ 374.464567] [] ? kasan_poison_shadow+0x2f/0x31 [ 374.491550] [] ? kasan_unpoison_shadow+0x14/0x35 [ 374.515220] [] ? kasan_kmalloc+0x94/0xa3 [ 374.538735] [] ? __kmalloc+0x2c1/0x2e7 [ 374.561148] [] init_workqueues+0xcab/0xddf [ 374.585540] [] ? wq_sysfs_init+0x41/0x41 [ 374.613613] [] ? put_online_cpus+0xb1/0xb4 [ 374.648114] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 374.679465] [] ? wq_sysfs_init+0x41/0x41 [ 374.700203] [] do_one_initcall+0x16d/0x258 [ 374.723800] [] ? initcall_blacklisted+0x198/0x198 [ 374.754710] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 374.797418] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 374.836645] [] kernel_init_freeable+0x231/0x518 [ 374.861626] [] ? balance_callback+0x3a/0x137 [ 374.884472] [] kernel_init+0x16/0x181 [ 374.906115] [] ret_from_fork+0x1f/0x40 [ 374.930633] [] ? rest_init+0x8f/0x8f [ 374.952261] ================================================================================ [ 374.989120] ================================================================================ [ 375.017954] UBSAN: Undefined behaviour in kernel/workqueue.c:3506:8 [ 375.045349] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 375.085998] which requires 64 byte alignment [ 375.104794] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 375.128836] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 375.169243] 00000000ffffffff 00000000b1a89c60 ffff88005c9df930 ffffffffb26ec5cc [ 375.199093] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 375.234929] 0000000000000010 ffff88005c9df958 ffff88005c9df908 ffffffffb363c3e0 [ 375.263477] Call Trace: [ 375.274317] [] dump_stack+0xd7/0x132 [ 375.296847] [] ? arch_local_irq_restore+0x1b/0x1b [ 375.334650] [] ubsan_epilogue+0x12/0x53 [ 375.351789] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 375.379570] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 375.404344] [] alloc_unbound_pwq+0x9f3/0xa34 [ 375.430191] [] ? init_worker_pool+0x521/0x521 [ 375.453568] [] apply_wqattrs_prepare+0xee/0x3a0 [ 375.474111] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 375.508767] [] apply_workqueue_attrs+0x2c/0x39 [ 375.543612] [] __alloc_workqueue_key+0x8df/0xbf8 [ 375.567478] [] ? workqueue_sysfs_register+0x305/0x305 [ 375.608343] [] ? kasan_poison_shadow+0x2f/0x31 [ 375.637843] [] ? kasan_unpoison_shadow+0x14/0x35 [ 375.668291] [] ? kasan_kmalloc+0x94/0xa3 [ 375.695165] [] ? __kmalloc+0x2c1/0x2e7 [ 375.718633] [] init_workqueues+0xcab/0xddf [ 375.741774] [] ? wq_sysfs_init+0x41/0x41 [ 375.766987] [] ? put_online_cpus+0xb1/0xb4 [ 375.793102] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 375.826175] [] ? wq_sysfs_init+0x41/0x41 [ 375.850915] [] do_one_initcall+0x16d/0x258 [ 375.873862] [] ? initcall_blacklisted+0x198/0x198 [ 375.899953] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 375.926638] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 375.954085] [] kernel_init_freeable+0x231/0x518 [ 375.978065] [] ? balance_callback+0x3a/0x137 [ 376.006780] [] kernel_init+0x16/0x181 [ 376.030127] [] ret_from_fork+0x1f/0x40 [ 376.048946] [] ? rest_init+0x8f/0x8f [ 376.071946] ================================================================================ [ 376.116070] ================================================================================ [ 376.148402] UBSAN: Undefined behaviour in kernel/workqueue.c:1662:6 [ 376.172757] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 376.219370] which requires 64 byte alignment [ 376.238044] CPU: 0 PID: 6 Comm: kworker/u8:0 Not tainted 4.8.11 #1 [ 376.263326] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 376.302696] 00000000ffffffff 00000000bf241850 ffff88005ca57d28 ffffffffb26ec5cc [ 376.331908] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 376.364353] ffff880000000010 ffff88005ca57d50 ffff88005ca57d00 ffffffffb363c3e0 [ 376.397433] Call Trace: [ 376.408795] [] dump_stack+0xd7/0x132 [ 376.440859] [] ? arch_local_irq_restore+0x1b/0x1b [ 376.465570] [] ubsan_epilogue+0x12/0x53 [ 376.488074] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 376.518337] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 376.547268] [] ? worker_clr_flags+0x187/0x193 [ 376.572275] [] worker_thread+0x7c8/0x857 [ 376.597819] [] kthread+0x1f7/0x20b [ 376.619246] [] ? rescuer_thread+0x91f/0x91f [ 376.641301] [] ? init_completion+0x48/0x48 [ 376.666633] [] ret_from_fork+0x1f/0x40 [ 376.689576] [] ? init_completion+0x48/0x48 [ 376.734103] ================================================================================ [ 376.766079] ================================================================================ [ 376.814176] UBSAN: Undefined behaviour in kernel/workqueue.c:1662:15 [ 376.839504] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 376.884045] which requires 64 byte alignment [ 376.901503] CPU: 0 PID: 6 Comm: kworker/u8:0 Not tainted 4.8.11 #1 [ 376.927944] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 376.969182] 00000000ffffffff 00000000bf241850 ffff88005ca57d28 ffffffffb26ec5cc [ 377.022817] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 377.053152] ffff880000000010 ffff88005ca57d50 ffff88005ca57d00 ffffffffb363c3e0 [ 377.086707] Call Trace: [ 377.097767] [] dump_stack+0xd7/0x132 [ 377.118774] [] ? arch_local_irq_restore+0x1b/0x1b [ 377.144103] [] ubsan_epilogue+0x12/0x53 [ 377.167749] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 377.194491] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 377.221394] [] ? worker_clr_flags+0x187/0x193 [ 377.248555] [] worker_thread+0x809/0x857 [ 377.270591] [] kthread+0x1f7/0x20b [ 377.292111] [] ? rescuer_thread+0x91f/0x91f [ 377.312388] [] ? init_completion+0x48/0x48 [ 377.340640] [] ret_from_fork+0x1f/0x40 [ 377.371150] [] ? init_completion+0x48/0x48 [ 377.394563] ================================================================================ [ 377.438633] ================================================================================ [ 377.475758] UBSAN: Undefined behaviour in kernel/workqueue.c:819:9 [ 377.498450] member access within misaligned address ffff88005d276038 for type 'struct worker_pool' [ 377.533212] which requires 64 byte alignment [ 377.545991] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 377.568485] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 377.603189] 00000000ffffffff 00000000b1a89c60 ffff88005c9df918 ffffffffb26ec5cc [ 377.632980] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 377.662572] ffffffff00000010 ffff88005c9df940 ffff88005c9df8f0 ffffffffb363c3e0 [ 377.692136] Call Trace: [ 377.701294] [] dump_stack+0xd7/0x132 [ 377.731889] [] ? arch_local_irq_restore+0x1b/0x1b [ 377.760825] [] ubsan_epilogue+0x12/0x53 [ 377.783043] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 377.810848] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 377.837040] [] ? trace_workqueue_activate_work+0xde/0xde [ 377.863227] [] ? kmem_cache_alloc_node+0x219/0x34e [ 377.886065] [] ? alloc_unbound_pwq+0x8f5/0xa34 [ 377.906472] [] wake_up_worker+0x61/0xa7 [ 377.938512] [] pwq_adjust_max_active+0x2a2/0x34b [ 377.962954] [] link_pwq+0xcb/0x10a [ 377.983535] [] apply_wqattrs_commit+0x1a6/0x3ab [ 378.012176] [] ? link_pwq+0x10a/0x10a [ 378.037430] [] ? apply_wqattrs_prepare+0x38e/0x3a0 [ 378.064907] [] apply_workqueue_attrs_locked+0xf7/0x10d [ 378.097396] [] apply_workqueue_attrs+0x2c/0x39 [ 378.124635] [] __alloc_workqueue_key+0x8df/0xbf8 [ 378.153876] [] ? workqueue_sysfs_register+0x305/0x305 [ 378.192613] [] ? kasan_poison_shadow+0x2f/0x31 [ 378.218281] [] ? kasan_unpoison_shadow+0x14/0x35 [ 378.241504] [] ? kasan_kmalloc+0x94/0xa3 [ 378.265383] [] ? __kmalloc+0x2c1/0x2e7 [ 378.286537] [] init_workqueues+0xcab/0xddf [ 378.306955] [] ? wq_sysfs_init+0x41/0x41 [ 378.325312] [] ? put_online_cpus+0xb1/0xb4 [ 378.346858] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 378.387738] [] ? wq_sysfs_init+0x41/0x41 [ 378.421680] [] do_one_initcall+0x16d/0x258 [ 378.444865] [] ? initcall_blacklisted+0x198/0x198 [ 378.475119] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 378.500763] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 378.531164] [] kernel_init_freeable+0x231/0x518 [ 378.564692] [] ? balance_callback+0x3a/0x137 [ 378.587799] [] kernel_init+0x16/0x181 [ 378.614174] [] ret_from_fork+0x1f/0x40 [ 378.633519] [] ? rest_init+0x8f/0x8f [ 378.660560] ================================================================================ [ 378.693074] ================================================================================ [ 378.730828] UBSAN: Undefined behaviour in kernel/workqueue.c:3919:21 [ 378.757545] member access within misaligned address ffff88005d13b230 for type 'struct workqueue_struct' [ 378.791690] which requires 64 byte alignment [ 378.804853] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 378.834826] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 378.890634] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab0 ffffffffb26ec5cc [ 378.920567] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 378.961535] 0000000000000010 ffff88005c9dfad8 ffff88005c9dfa88 ffffffffb363c3e0 [ 378.995841] Call Trace: [ 379.002619] [] dump_stack+0xd7/0x132 [ 379.022401] [] ? arch_local_irq_restore+0x1b/0x1b [ 379.047131] [] ubsan_epilogue+0x12/0x53 [ 379.070091] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 379.098489] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 379.125200] [] ? memcpy+0x45/0x4c [ 379.143501] [] __alloc_workqueue_key+0x1f2/0xbf8 [ 379.171613] [] ? workqueue_sysfs_register+0x305/0x305 [ 379.197893] [] ? kasan_poison_shadow+0x2f/0x31 [ 379.225450] [] ? kasan_unpoison_shadow+0x14/0x35 [ 379.252803] [] ? kasan_kmalloc+0x94/0xa3 [ 379.276545] [] ? __kmalloc+0x2c1/0x2e7 [ 379.304414] [] init_workqueues+0xce9/0xddf [ 379.325141] [] ? wq_sysfs_init+0x41/0x41 [ 379.350248] [] ? put_online_cpus+0xb1/0xb4 [ 379.373944] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 379.402166] [] ? wq_sysfs_init+0x41/0x41 [ 379.426393] [] do_one_initcall+0x16d/0x258 [ 379.453280] [] ? initcall_blacklisted+0x198/0x198 [ 379.476437] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 379.514455] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 379.540066] [] kernel_init_freeable+0x231/0x518 [ 379.565778] [] ? balance_callback+0x3a/0x137 [ 379.589873] [] kernel_init+0x16/0x181 [ 379.609746] [] ret_from_fork+0x1f/0x40 [ 379.637282] [] ? rest_init+0x8f/0x8f [ 379.658040] ================================================================================ [ 379.691292] ================================================================================ [ 379.722991] UBSAN: Undefined behaviour in kernel/workqueue.c:3920:10 [ 379.755431] member access within misaligned address ffff88005d13b230 for type 'struct workqueue_struct' [ 379.786705] which requires 64 byte alignment [ 379.817222] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 379.843387] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 379.881485] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab0 ffffffffb26ec5cc [ 379.912545] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 379.942042] ffff880000000010 ffff88005c9dfad8 ffff88005c9dfa88 ffffffffb363c3e0 [ 379.981430] Call Trace: [ 379.990912] [] dump_stack+0xd7/0x132 [ 380.012890] [] ? arch_local_irq_restore+0x1b/0x1b [ 380.038408] [] ubsan_epilogue+0x12/0x53 [ 380.063015] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 380.092335] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 380.129120] [] ? memcpy+0x45/0x4c [ 380.151705] [] __alloc_workqueue_key+0x21e/0xbf8 [ 380.173003] [] ? workqueue_sysfs_register+0x305/0x305 [ 380.203266] [] ? kasan_poison_shadow+0x2f/0x31 [ 380.229737] [] ? kasan_unpoison_shadow+0x14/0x35 [ 380.258523] [] ? kasan_kmalloc+0x94/0xa3 [ 380.290301] [] ? __kmalloc+0x2c1/0x2e7 [ 380.309683] [] init_workqueues+0xce9/0xddf [ 380.335113] [] ? wq_sysfs_init+0x41/0x41 [ 380.374392] [] ? put_online_cpus+0xb1/0xb4 [ 380.398980] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 380.440168] [] ? wq_sysfs_init+0x41/0x41 [ 380.461593] [] do_one_initcall+0x16d/0x258 [ 380.487340] [] ? initcall_blacklisted+0x198/0x198 [ 380.513997] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 380.540260] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 380.570541] [] kernel_init_freeable+0x231/0x518 [ 380.597450] [] ? balance_callback+0x3a/0x137 [ 380.622453] [] kernel_init+0x16/0x181 [ 380.645010] [] ret_from_fork+0x1f/0x40 [ 380.666479] [] ? rest_init+0x8f/0x8f [ 380.688683] ================================================================================ [ 380.736057] ================================================================================ [ 380.771800] UBSAN: Undefined behaviour in kernel/workqueue.c:3871:15 [ 380.798318] member access within misaligned address ffff88005d13b230 for type 'struct workqueue_struct' [ 380.835869] which requires 64 byte alignment [ 380.855276] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 380.878598] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 380.931611] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab0 ffffffffb26ec5cc [ 380.958178] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 380.986314] ffff880000000010 ffff88005c9dfad8 ffff88005c9dfa88 ffffffffb363c3e0 [ 381.025839] Call Trace: [ 381.042599] [] dump_stack+0xd7/0x132 [ 381.078331] [] ? arch_local_irq_restore+0x1b/0x1b [ 381.114678] [] ubsan_epilogue+0x12/0x53 [ 381.142742] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 381.176891] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 381.205661] [] __alloc_workqueue_key+0x83b/0xbf8 [ 381.233901] [] ? workqueue_sysfs_register+0x305/0x305 [ 381.264092] [] ? kasan_poison_shadow+0x2f/0x31 [ 381.293095] [] ? kasan_unpoison_shadow+0x14/0x35 [ 381.318483] [] ? kasan_kmalloc+0x94/0xa3 [ 381.345561] [] ? __kmalloc+0x2c1/0x2e7 [ 381.374779] [] init_workqueues+0xce9/0xddf [ 381.397548] [] ? wq_sysfs_init+0x41/0x41 [ 381.425811] [] ? put_online_cpus+0xb1/0xb4 [ 381.465359] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 381.497796] [] ? wq_sysfs_init+0x41/0x41 [ 381.522363] [] do_one_initcall+0x16d/0x258 [ 381.613035] [] ? initcall_blacklisted+0x198/0x198 [ 381.636502] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 381.662042] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 381.685147] [] kernel_init_freeable+0x231/0x518 [ 381.709051] [] ? balance_callback+0x3a/0x137 [ 381.734269] [] kernel_init+0x16/0x181 [ 381.757309] [] ret_from_fork+0x1f/0x40 [ 381.780691] [] ? rest_init+0x8f/0x8f [ 381.803560] ================================================================================ [ 381.840306] ================================================================================ [ 381.875335] UBSAN: Undefined behaviour in kernel/workqueue.c:3717:6 [ 381.904759] member access within misaligned address ffff88005d13b230 for type 'struct workqueue_struct' [ 381.940787] which requires 64 byte alignment [ 381.963547] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 381.986485] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 382.027974] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa68 ffffffffb26ec5cc [ 382.057264] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 382.084597] 1ffff10000000010 ffff88005c9dfa90 ffff88005c9dfa40 ffffffffb363c3e0 [ 382.111159] Call Trace: [ 382.120668] [] dump_stack+0xd7/0x132 [ 382.139419] [] ? arch_local_irq_restore+0x1b/0x1b [ 382.162089] [] ubsan_epilogue+0x12/0x53 [ 382.185236] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 382.210838] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 382.236764] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 382.260172] [] apply_workqueue_attrs_locked+0x32/0x10d [ 382.288104] [] apply_workqueue_attrs+0x2c/0x39 [ 382.315498] [] __alloc_workqueue_key+0x8df/0xbf8 [ 382.337804] [] ? workqueue_sysfs_register+0x305/0x305 [ 382.362873] [] ? kasan_poison_shadow+0x2f/0x31 [ 382.383173] [] ? kasan_unpoison_shadow+0x14/0x35 [ 382.405866] [] ? kasan_kmalloc+0x94/0xa3 [ 382.431062] [] ? __kmalloc+0x2c1/0x2e7 [ 382.454386] [] init_workqueues+0xce9/0xddf [ 382.473061] [] ? wq_sysfs_init+0x41/0x41 [ 382.494459] [] ? put_online_cpus+0xb1/0xb4 [ 382.516543] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 382.547376] [] ? wq_sysfs_init+0x41/0x41 [ 382.567610] [] do_one_initcall+0x16d/0x258 [ 382.588973] [] ? initcall_blacklisted+0x198/0x198 [ 382.611643] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 382.638076] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 382.665214] [] kernel_init_freeable+0x231/0x518 [ 382.688378] [] ? balance_callback+0x3a/0x137 [ 382.712870] [] kernel_init+0x16/0x181 [ 382.733291] [] ret_from_fork+0x1f/0x40 [ 382.753784] [] ? rest_init+0x8f/0x8f [ 382.774036] ================================================================================ [ 382.806855] ================================================================================ [ 382.843207] UBSAN: Undefined behaviour in kernel/workqueue.c:3721:6 [ 382.867427] member access within misaligned address ffff88005d13b230 for type 'struct workqueue_struct' [ 382.909791] which requires 64 byte alignment [ 382.923828] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 382.948675] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 382.991631] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa68 ffffffffb26ec5cc [ 383.022752] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 383.053827] ffffffff00000010 ffff88005c9dfa90 ffff88005c9dfa40 ffffffffb363c3e0 [ 383.081610] Call Trace: [ 383.090490] [] dump_stack+0xd7/0x132 [ 383.110250] [] ? arch_local_irq_restore+0x1b/0x1b [ 383.137166] [] ubsan_epilogue+0x12/0x53 [ 383.157716] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 383.185578] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 383.214027] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 383.240144] [] apply_workqueue_attrs_locked+0xb8/0x10d [ 383.265110] [] apply_workqueue_attrs+0x2c/0x39 [ 383.286233] [] __alloc_workqueue_key+0x8df/0xbf8 [ 383.313323] [] ? workqueue_sysfs_register+0x305/0x305 [ 383.341784] [] ? kasan_poison_shadow+0x2f/0x31 [ 383.363493] [] ? kasan_unpoison_shadow+0x14/0x35 [ 383.383210] [] ? kasan_kmalloc+0x94/0xa3 [ 383.401958] [] ? __kmalloc+0x2c1/0x2e7 [ 383.418727] [] init_workqueues+0xce9/0xddf [ 383.442938] [] ? wq_sysfs_init+0x41/0x41 [ 383.463615] [] ? put_online_cpus+0xb1/0xb4 [ 383.484256] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 383.514276] [] ? wq_sysfs_init+0x41/0x41 [ 383.534098] [] do_one_initcall+0x16d/0x258 [ 383.553831] [] ? initcall_blacklisted+0x198/0x198 [ 383.572830] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 383.597750] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 383.623211] [] kernel_init_freeable+0x231/0x518 [ 383.648175] [] ? balance_callback+0x3a/0x137 [ 383.674426] [] kernel_init+0x16/0x181 [ 383.693698] [] ret_from_fork+0x1f/0x40 [ 383.713865] [] ? rest_init+0x8f/0x8f [ 383.733205] ================================================================================ [ 383.764371] ================================================================================ [ 383.795846] UBSAN: Undefined behaviour in kernel/workqueue.c:3319:25 [ 383.818493] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 383.854023] which requires 64 byte alignment [ 383.873219] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 383.895969] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 383.933430] 00000000ffffffff 00000000b1a89c60 ffff88005c9df930 ffffffffb26ec5cc [ 383.960305] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 383.990845] ffff880000000010 ffff88005c9df958 ffff88005c9df908 ffffffffb363c3e0 [ 384.019306] Call Trace: [ 384.031750] [] dump_stack+0xd7/0x132 [ 384.049866] [] ? arch_local_irq_restore+0x1b/0x1b [ 384.071738] [] ubsan_epilogue+0x12/0x53 [ 384.092772] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 384.119147] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 384.144932] [] ? kasan_poison_shadow+0x2f/0x31 [ 384.166545] [] alloc_unbound_pwq+0x569/0xa34 [ 384.191513] [] ? init_worker_pool+0x521/0x521 [ 384.215842] [] ? memcpy+0x45/0x4c [ 384.235024] [] apply_wqattrs_prepare+0xee/0x3a0 [ 384.259666] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 384.285518] [] apply_workqueue_attrs+0x2c/0x39 [ 384.311556] [] __alloc_workqueue_key+0x8df/0xbf8 [ 384.333852] [] ? workqueue_sysfs_register+0x305/0x305 [ 384.358557] [] ? kasan_poison_shadow+0x2f/0x31 [ 384.381718] [] ? kasan_unpoison_shadow+0x14/0x35 [ 384.409916] [] ? kasan_kmalloc+0x94/0xa3 [ 384.431908] [] ? __kmalloc+0x2c1/0x2e7 [ 384.449776] [] init_workqueues+0xce9/0xddf [ 384.475349] [] ? wq_sysfs_init+0x41/0x41 [ 384.494643] [] ? put_online_cpus+0xb1/0xb4 [ 384.517198] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 384.546915] [] ? wq_sysfs_init+0x41/0x41 [ 384.570692] [] do_one_initcall+0x16d/0x258 [ 384.592500] [] ? initcall_blacklisted+0x198/0x198 [ 384.617704] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 384.643627] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 384.669487] [] kernel_init_freeable+0x231/0x518 [ 384.695959] [] ? balance_callback+0x3a/0x137 [ 384.720394] [] kernel_init+0x16/0x181 [ 384.739790] [] ret_from_fork+0x1f/0x40 [ 384.759546] [] ? rest_init+0x8f/0x8f [ 384.781595] ================================================================================ [ 384.815598] ================================================================================ [ 384.851901] UBSAN: Undefined behaviour in kernel/workqueue.c:3320:8 [ 384.876966] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 384.910462] which requires 64 byte alignment [ 384.927375] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 384.951944] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 384.986207] 00000000ffffffff 00000000b1a89c60 ffff88005c9df930 ffffffffb26ec5cc [ 385.013178] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 385.042539] ffff880000000010 ffff88005c9df958 ffff88005c9df908 ffffffffb363c3e0 [ 385.071354] Call Trace: [ 385.080075] [] dump_stack+0xd7/0x132 [ 385.101785] [] ? arch_local_irq_restore+0x1b/0x1b [ 385.125668] [] ubsan_epilogue+0x12/0x53 [ 385.145057] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 385.176407] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 385.203714] [] ? __bitmap_equal+0x13f/0x151 [ 385.226717] [] alloc_unbound_pwq+0x96c/0xa34 [ 385.253396] [] ? init_worker_pool+0x521/0x521 [ 385.277584] [] ? memcpy+0x45/0x4c [ 385.294826] [] apply_wqattrs_prepare+0xee/0x3a0 [ 385.319622] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 385.345161] [] apply_workqueue_attrs+0x2c/0x39 [ 385.372352] [] __alloc_workqueue_key+0x8df/0xbf8 [ 385.398485] [] ? workqueue_sysfs_register+0x305/0x305 [ 385.424145] [] ? kasan_poison_shadow+0x2f/0x31 [ 385.452438] [] ? kasan_unpoison_shadow+0x14/0x35 [ 385.475770] [] ? kasan_kmalloc+0x94/0xa3 [ 385.497650] [] ? __kmalloc+0x2c1/0x2e7 [ 385.518045] [] init_workqueues+0xce9/0xddf [ 385.539124] [] ? wq_sysfs_init+0x41/0x41 [ 385.561648] [] ? put_online_cpus+0xb1/0xb4 [ 385.584677] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 385.616979] [] ? wq_sysfs_init+0x41/0x41 [ 385.639997] [] do_one_initcall+0x16d/0x258 [ 385.661496] [] ? initcall_blacklisted+0x198/0x198 [ 385.686847] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 385.714388] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 385.739827] [] kernel_init_freeable+0x231/0x518 [ 385.763799] [] ? balance_callback+0x3a/0x137 [ 385.787286] [] kernel_init+0x16/0x181 [ 385.807788] [] ret_from_fork+0x1f/0x40 [ 385.832882] [] ? rest_init+0x8f/0x8f [ 385.852226] ================================================================================ [ 385.885823] ================================================================================ [ 385.919763] UBSAN: Undefined behaviour in kernel/workqueue.c:3320:16 [ 385.946550] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 385.986585] which requires 64 byte alignment [ 386.005658] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 386.030434] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 386.064956] 00000000ffffffff 00000000b1a89c60 ffff88005c9df930 ffffffffb26ec5cc [ 386.097104] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 386.130340] ffff880000000010 ffff88005c9df958 ffff88005c9df908 ffffffffb363c3e0 [ 386.162801] Call Trace: [ 386.173043] [] dump_stack+0xd7/0x132 [ 386.191721] [] ? arch_local_irq_restore+0x1b/0x1b [ 386.219212] [] ubsan_epilogue+0x12/0x53 [ 386.242866] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 386.272286] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 386.303317] [] ? __bitmap_equal+0x13f/0x151 [ 386.329275] [] alloc_unbound_pwq+0x980/0xa34 [ 386.348841] [] ? init_worker_pool+0x521/0x521 [ 386.372562] [] ? memcpy+0x45/0x4c [ 386.392715] [] apply_wqattrs_prepare+0xee/0x3a0 [ 386.414681] [] apply_workqueue_attrs_locked+0xe0/0x10d [ 386.442893] [] apply_workqueue_attrs+0x2c/0x39 [ 386.468249] [] __alloc_workqueue_key+0x8df/0xbf8 [ 386.496230] [] ? workqueue_sysfs_register+0x305/0x305 [ 386.527106] [] ? kasan_poison_shadow+0x2f/0x31 [ 386.552320] [] ? kasan_unpoison_shadow+0x14/0x35 [ 386.576954] [] ? kasan_kmalloc+0x94/0xa3 [ 386.598394] [] ? __kmalloc+0x2c1/0x2e7 [ 386.616349] [] init_workqueues+0xce9/0xddf [ 386.641482] [] ? wq_sysfs_init+0x41/0x41 [ 386.662284] [] ? put_online_cpus+0xb1/0xb4 [ 386.687697] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 386.722327] [] ? wq_sysfs_init+0x41/0x41 [ 386.741050] [] do_one_initcall+0x16d/0x258 [ 386.763401] [] ? initcall_blacklisted+0x198/0x198 [ 386.790605] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 386.817613] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 386.847353] [] kernel_init_freeable+0x231/0x518 [ 386.871807] [] ? balance_callback+0x3a/0x137 [ 386.897236] [] kernel_init+0x16/0x181 [ 386.920012] [] ret_from_fork+0x1f/0x40 [ 386.943397] [] ? rest_init+0x8f/0x8f [ 386.966662] ================================================================================ [ 387.004591] ================================================================================ [ 387.038406] UBSAN: Undefined behaviour in kernel/workqueue.c:3684:2 [ 387.062639] member access within misaligned address ffff88005d13b230 for type 'struct workqueue_struct' [ 387.102499] which requires 64 byte alignment [ 387.118159] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 387.140295] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 387.180929] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 387.212137] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 387.242162] 1ffff10000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 387.276549] Call Trace: [ 387.286250] [] dump_stack+0xd7/0x132 [ 387.309145] [] ? arch_local_irq_restore+0x1b/0x1b [ 387.334750] [] ubsan_epilogue+0x12/0x53 [ 387.358816] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 387.386547] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 387.418925] [] ? slab_free_freelist_hook+0x129/0x134 [ 387.447570] [] apply_wqattrs_commit+0x109/0x3ab [ 387.474958] [] ? link_pwq+0x10a/0x10a [ 387.495682] [] ? apply_wqattrs_prepare+0x38e/0x3a0 [ 387.523951] [] apply_workqueue_attrs_locked+0xf7/0x10d [ 387.550538] [] apply_workqueue_attrs+0x2c/0x39 [ 387.576961] [] __alloc_workqueue_key+0x8df/0xbf8 [ 387.602665] [] ? workqueue_sysfs_register+0x305/0x305 [ 387.627187] [] ? kasan_poison_shadow+0x2f/0x31 [ 387.652134] [] ? kasan_unpoison_shadow+0x14/0x35 [ 387.679384] [] ? kasan_kmalloc+0x94/0xa3 [ 387.702591] [] ? __kmalloc+0x2c1/0x2e7 [ 387.725811] [] init_workqueues+0xce9/0xddf [ 387.751882] [] ? wq_sysfs_init+0x41/0x41 [ 387.773403] [] ? put_online_cpus+0xb1/0xb4 [ 387.798404] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 387.837350] [] ? wq_sysfs_init+0x41/0x41 [ 387.862613] [] do_one_initcall+0x16d/0x258 [ 387.886893] [] ? initcall_blacklisted+0x198/0x198 [ 387.918869] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 387.947961] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 387.975781] [] kernel_init_freeable+0x231/0x518 [ 388.003220] [] ? balance_callback+0x3a/0x137 [ 388.028821] [] kernel_init+0x16/0x181 [ 388.053124] [] ret_from_fork+0x1f/0x40 [ 388.074815] [] ? rest_init+0x8f/0x8f [ 388.094244] ================================================================================ [ 388.124986] ================================================================================ [ 388.158237] UBSAN: Undefined behaviour in kernel/workqueue.c:3693:2 [ 388.183492] member access within misaligned address ffff88005d13b230 for type 'struct workqueue_struct' [ 388.220774] which requires 64 byte alignment [ 388.239364] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 388.263383] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 388.298787] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 388.325393] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 388.359166] 0000000000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 388.391947] Call Trace: [ 388.398981] [] dump_stack+0xd7/0x132 [ 388.420338] [] ? arch_local_irq_restore+0x1b/0x1b [ 388.443802] [] ubsan_epilogue+0x12/0x53 [ 388.462436] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 388.490930] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 388.521520] [] apply_wqattrs_commit+0x2b8/0x3ab [ 388.547486] [] ? link_pwq+0x10a/0x10a [ 388.568577] [] apply_workqueue_attrs_locked+0xf7/0x10d [ 388.609452] [] apply_workqueue_attrs+0x2c/0x39 [ 388.635080] [] __alloc_workqueue_key+0x8df/0xbf8 [ 388.659283] [] ? workqueue_sysfs_register+0x305/0x305 [ 388.683159] [] ? kasan_poison_shadow+0x2f/0x31 [ 388.709016] [] ? kasan_unpoison_shadow+0x14/0x35 [ 388.730856] [] ? kasan_kmalloc+0x94/0xa3 [ 388.753152] [] ? __kmalloc+0x2c1/0x2e7 [ 388.774789] [] init_workqueues+0xce9/0xddf [ 388.796394] [] ? wq_sysfs_init+0x41/0x41 [ 388.816799] [] ? put_online_cpus+0xb1/0xb4 [ 388.838794] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 388.873163] [] ? wq_sysfs_init+0x41/0x41 [ 388.892396] [] do_one_initcall+0x16d/0x258 [ 388.916202] [] ? initcall_blacklisted+0x198/0x198 [ 388.940428] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 388.963488] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 388.989039] [] kernel_init_freeable+0x231/0x518 [ 389.014180] [] ? balance_callback+0x3a/0x137 [ 389.037791] [] kernel_init+0x16/0x181 [ 389.059973] [] ret_from_fork+0x1f/0x40 [ 389.078884] [] ? rest_init+0x8f/0x8f [ 389.096268] ================================================================================ [ 389.132737] ================================================================================ [ 389.161376] UBSAN: Undefined behaviour in kernel/workqueue.c:3693:2 [ 389.184459] member access within misaligned address ffff88005d13b230 for type 'struct workqueue_struct' [ 389.223024] which requires 64 byte alignment [ 389.238478] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 389.259206] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 389.296724] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 389.325419] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 389.354522] ffff880000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 389.379707] Call Trace: [ 389.388399] [] dump_stack+0xd7/0x132 [ 389.409596] [] ? arch_local_irq_restore+0x1b/0x1b [ 389.436422] [] ubsan_epilogue+0x12/0x53 [ 389.458769] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 389.483355] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 389.511669] [] apply_wqattrs_commit+0x325/0x3ab [ 389.536707] [] ? link_pwq+0x10a/0x10a [ 389.558404] [] apply_workqueue_attrs_locked+0xf7/0x10d [ 389.582798] [] apply_workqueue_attrs+0x2c/0x39 [ 389.605864] [] __alloc_workqueue_key+0x8df/0xbf8 [ 389.631005] [] ? workqueue_sysfs_register+0x305/0x305 [ 389.655270] [] ? kasan_poison_shadow+0x2f/0x31 [ 389.677026] [] ? kasan_unpoison_shadow+0x14/0x35 [ 389.702610] [] ? kasan_kmalloc+0x94/0xa3 [ 389.725286] [] ? __kmalloc+0x2c1/0x2e7 [ 389.745087] [] init_workqueues+0xce9/0xddf [ 389.768146] [] ? wq_sysfs_init+0x41/0x41 [ 389.787549] [] ? put_online_cpus+0xb1/0xb4 [ 389.813036] [] ? smpboot_register_percpu_thread_cpumask+0x11f/0x12e [ 389.842409] [] ? wq_sysfs_init+0x41/0x41 [ 389.864353] [] do_one_initcall+0x16d/0x258 [ 389.891061] [] ? initcall_blacklisted+0x198/0x198 [ 389.917641] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 389.943881] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 389.971338] [] kernel_init_freeable+0x231/0x518 [ 389.994567] [] ? balance_callback+0x3a/0x137 [ 390.015808] [] kernel_init+0x16/0x181 [ 390.035487] [] ret_from_fork+0x1f/0x40 [ 390.055582] [] ? rest_init+0x8f/0x8f [ 390.077046] ================================================================================ [ 390.109969] ================================================================================ [ 390.142019] UBSAN: Undefined behaviour in kernel/workqueue.c:3966:15 [ 390.164849] member access within misaligned address ffff88005d139770 for type 'struct workqueue_struct' [ 390.202339] which requires 64 byte alignment [ 390.219622] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 390.242469] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 390.277776] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb88 ffffffffb26ec5cc [ 390.307354] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 390.337278] ffff880000000010 ffff88005c9dfbb0 ffff88005c9dfb60 ffffffffb363c3e0 [ 390.366670] Call Trace: [ 390.375584] [] dump_stack+0xd7/0x132 [ 390.397762] [] ? arch_local_irq_restore+0x1b/0x1b [ 390.421190] [] ubsan_epilogue+0x12/0x53 [ 390.444899] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 390.472570] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 390.500141] [] ? pool_mayday_timeout+0x229/0x229 [ 390.522726] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 390.548740] [] __alloc_workqueue_key+0x9df/0xbf8 [ 390.573125] [] ? workqueue_sysfs_register+0x305/0x305 [ 390.601596] [] ? register_trace_event+0x20f/0x890 [ 390.626164] [] ? strpbrk+0x35/0x80 [ 390.645361] [] ? notifier_chain_register+0x1b1/0x1eb [ 390.679243] [] ? blocking_notifier_call_chain+0x37/0x37 [ 390.706357] [] ? event_trace_init+0x3d8/0x3d8 [ 390.728502] [] lru_init+0x24/0x5c [ 390.743300] [] ? page_writeback_init+0x49/0x49 [ 390.762472] [] do_one_initcall+0x16d/0x258 [ 390.781026] [] ? initcall_blacklisted+0x198/0x198 [ 390.803036] [] ? set_mtrr_aps_delayed_init+0x62/0x65 [ 390.823754] [] ? native_smp_prepare_cpus+0x4cc/0x52c [ 390.846114] [] kernel_init_freeable+0x231/0x518 [ 390.866071] [] ? balance_callback+0x3a/0x137 [ 390.885831] [] kernel_init+0x16/0x181 [ 390.902861] [] ret_from_fork+0x1f/0x40 [ 390.925392] [] ? rest_init+0x8f/0x8f [ 390.945032] ================================================================================ [ 390.990929] ================================================================================ [ 391.019557] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 391.042055] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 391.074087] which requires 8 byte alignment [ 391.087061] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 391.110140] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 391.142750] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa68 ffffffffb26ec5cc [ 391.167334] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 391.191564] 0000000000000010 ffff88005c9dfa90 ffff88005c9dfa40 ffffffffb363c3e0 [ 391.217842] Call Trace: [ 391.227457] [] dump_stack+0xd7/0x132 [ 391.243624] [] ? arch_local_irq_restore+0x1b/0x1b [ 391.265637] [] ubsan_epilogue+0x12/0x53 [ 391.284961] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 391.312206] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 391.335892] [] ? get_fixed_ranges.constprop.6+0x185/0x185 [ 391.369139] [] mtrr_save_fixed_ranges+0x31/0x60 [ 391.391994] [] generic_exec_single+0x124/0x30b [ 391.415023] [] ? wake_up_all_idle_cpus+0x88/0x88 [ 391.434642] [] ? vsnprintf+0x1a0/0xa32 [ 391.453396] [] smp_call_function_single+0x20d/0x2ab [ 391.475126] [] ? get_fixed_ranges.constprop.6+0x185/0x185 [ 391.498628] [] ? generic_exec_single+0x30b/0x30b [ 391.524753] [] ? find_first_bit+0xa2/0xb1 [ 391.544879] [] ? cpuhp_thread_fun+0x3e7/0x3e7 [ 391.563795] [] mtrr_save_state+0x47/0x53 [ 391.582940] [] native_cpu_up+0x17f/0xd4b [ 391.604144] [] ? common_cpu_up+0x132/0x132 [ 391.625875] [] ? init_idle+0x3a5/0x3b4 [ 391.642375] [] ? cpuhp_thread_fun+0x3e7/0x3e7 [ 391.662090] [] bringup_cpu+0x34/0x11c [ 391.680141] [] cpuhp_invoke_callback+0xd2/0x119 [ 391.703585] [] ? cpuhp_thread_fun+0x3e7/0x3e7 [ 391.726001] [] cpuhp_up_callbacks+0x125/0x328 [ 391.745364] [] _cpu_up+0x19a/0x1c9 [ 391.763513] [] ? mutex_set_owner+0x8e/0xc6 [ 391.785019] [] do_cpu_up+0xf2/0x10e [ 391.803920] [] cpu_up+0x1f/0x21 [ 391.821184] [] smp_init+0xcd/0xd2 [ 391.840638] [] kernel_init_freeable+0x250/0x518 [ 391.862825] [] ? balance_callback+0x3a/0x137 [ 391.882913] [] kernel_init+0x16/0x181 [ 391.901224] [] ret_from_fork+0x1f/0x40 [ 391.917567] [] ? rest_init+0x8f/0x8f [ 391.936096] ================================================================================ [ 391.962305] x86: Booting SMP configuration: [ 391.978797] .... node #0, CPUs: #1 [ 391.999538] ================================================================================ [ 392.030572] UBSAN: Undefined behaviour in arch/x86/kernel/smpboot.c:121:67 [ 392.051956] store to misaligned address ffff880000000469 for type 'volatile short unsigned int' [ 392.079938] which requires 2 byte alignment [ 392.093924] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 392.112732] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 392.147205] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc00 ffffffffb26ec5cc [ 392.174855] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 392.201598] 0000000000000010 ffff88005c9dfc28 ffff88005c9dfbd8 ffffffffb363c3e0 [ 392.225604] Call Trace: [ 392.234372] [] dump_stack+0xd7/0x132 [ 392.251713] [] ? arch_local_irq_restore+0x1b/0x1b [ 392.273878] [] ubsan_epilogue+0x12/0x53 [ 392.291311] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 392.316442] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 392.340939] [] native_cpu_up+0x6dc/0xd4b [ 392.359317] [] ? common_cpu_up+0x132/0x132 [ 392.377966] [] ? init_idle+0x3a5/0x3b4 [ 392.398003] [] ? cpuhp_thread_fun+0x3e7/0x3e7 [ 392.416461] [] bringup_cpu+0x34/0x11c [ 392.436464] [] cpuhp_invoke_callback+0xd2/0x119 [ 392.457692] [] ? cpuhp_thread_fun+0x3e7/0x3e7 [ 392.480110] [] cpuhp_up_callbacks+0x125/0x328 [ 392.500242] [] _cpu_up+0x19a/0x1c9 [ 392.520167] [] ? mutex_set_owner+0x8e/0xc6 [ 392.537973] [] do_cpu_up+0xf2/0x10e [ 392.563564] [] cpu_up+0x1f/0x21 [ 392.581972] [] smp_init+0xcd/0xd2 [ 392.601316] [] kernel_init_freeable+0x250/0x518 [ 392.621041] [] ? balance_callback+0x3a/0x137 [ 392.640388] [] kernel_init+0x16/0x181 [ 392.659259] [] ret_from_fork+0x1f/0x40 [ 392.679199] [] ? rest_init+0x8f/0x8f [ 392.694891] ================================================================================ [ 392.724320] ================================================================================ [ 392.754420] UBSAN: Undefined behaviour in arch/x86/kernel/smpboot.c:124:66 [ 392.779902] store to misaligned address ffff880000000467 for type 'volatile short unsigned int' [ 392.808627] which requires 2 byte alignment [ 392.825376] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 392.847122] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 392.880978] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc00 ffffffffb26ec5cc [ 392.909718] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 392.937138] ffff880000000010 ffff88005c9dfc28 ffff88005c9dfbd8 ffffffffb363c3e0 [ 392.961537] Call Trace: [ 392.973372] [] dump_stack+0xd7/0x132 [ 392.992097] [] ? arch_local_irq_restore+0x1b/0x1b [ 393.016771] [] ubsan_epilogue+0x12/0x53 [ 393.038037] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 393.062198] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 393.090788] [] native_cpu_up+0x730/0xd4b [ 393.110668] [] ? common_cpu_up+0x132/0x132 [ 393.130566] [] ? init_idle+0x3a5/0x3b4 [ 393.148829] [] ? cpuhp_thread_fun+0x3e7/0x3e7 [ 393.169546] [] bringup_cpu+0x34/0x11c [ 393.187117] [] cpuhp_invoke_callback+0xd2/0x119 [ 393.206607] [] ? cpuhp_thread_fun+0x3e7/0x3e7 [ 393.226334] [] cpuhp_up_callbacks+0x125/0x328 [ 393.248563] [] _cpu_up+0x19a/0x1c9 [ 393.263620] [] ? mutex_set_owner+0x8e/0xc6 [ 393.283725] [] do_cpu_up+0xf2/0x10e [ 393.304598] [] cpu_up+0x1f/0x21 [ 393.320897] [] smp_init+0xcd/0xd2 [ 393.338815] [] kernel_init_freeable+0x250/0x518 [ 393.361617] [] ? balance_callback+0x3a/0x137 [ 393.381736] [] kernel_init+0x16/0x181 [ 393.399992] [] ret_from_fork+0x1f/0x40 [ 393.417974] [] ? rest_init+0x8f/0x8f [ 393.438309] ================================================================================ [ 393.473897] kvm-clock: cpu 1, msr 0:be7d6041, secondary cpu clock [ 393.520169] ================================================================================ [ 393.577469] UBSAN: Undefined behaviour in arch/x86/kernel/smpboot.c:146:55 [ 393.627911] store to misaligned address ffff880000000467 for type 'volatile u32' [ 393.682200] which requires 4 byte alignment [ 393.712658] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 393.752359] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 393.810761] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc00 ffffffffb26ec5cc [ 393.859149] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 393.911727] 00ff880000000010 ffff88005c9dfc28 ffff88005c9dfbd8 ffffffffb363c3e0 [ 393.965040] Call Trace: [ 393.982145] [] dump_stack+0xd7/0x132 [ 394.017691] [] ? arch_local_irq_restore+0x1b/0x1b [ 394.062564] [] ubsan_epilogue+0x12/0x53 [ 394.101406] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 394.153327] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 394.199888] [] native_cpu_up+0xae9/0xd4b [ 394.242002] [] ? common_cpu_up+0x132/0x132 [ 394.281606] [] ? init_idle+0x3a5/0x3b4 [ 394.320072] [] ? cpuhp_thread_fun+0x3e7/0x3e7 [ 394.357793] [] bringup_cpu+0x34/0x11c [ 394.392605] [] cpuhp_invoke_callback+0xd2/0x119 [ 394.440004] [] ? cpuhp_thread_fun+0x3e7/0x3e7 [ 394.477362] [] cpuhp_up_callbacks+0x125/0x328 [ 394.517519] [] _cpu_up+0x19a/0x1c9 [ 394.560444] [] ? mutex_set_owner+0x8e/0xc6 [ 394.598089] [] do_cpu_up+0xf2/0x10e [ 394.634905] [] cpu_up+0x1f/0x21 [ 394.664067] [] smp_init+0xcd/0xd2 [ 394.699694] [] kernel_init_freeable+0x250/0x518 [ 394.730978] [] ? balance_callback+0x3a/0x137 [ 394.774123] [] kernel_init+0x16/0x181 [ 394.819391] [] ret_from_fork+0x1f/0x40 [ 394.847690] [] ? rest_init+0x8f/0x8f [ 394.883260] ================================================================================ [ 394.960300] ================================================================================ [ 394.988699] UBSAN: Undefined behaviour in kernel/workqueue.c:4634:11 [ 395.012555] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 395.043509] which requires 64 byte alignment [ 395.058882] CPU: 1 PID: 14 Comm: cpuhp/1 Not tainted 4.8.11 #1 [ 395.079953] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 395.114694] 00000000ffffffff 00000000296e41e9 ffff88005cad7b68 ffffffffb26ec5cc [ 395.141558] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 395.166772] 0000000000000010 ffff88005cad7b90 ffff88005cad7b40 ffffffffb363c3e0 [ 395.197313] Call Trace: [ 395.205236] [] dump_stack+0xd7/0x132 [ 395.223717] [] ? arch_local_irq_restore+0x1b/0x1b [ 395.248956] [] ubsan_epilogue+0x12/0x53 [ 395.265027] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 395.291020] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 395.314635] [] workqueue_online_cpu+0xe1/0x6e7 [ 395.336001] [] ? workqueue_prepare_cpu+0x147/0x147 [ 395.361481] [] ? workqueue_prepare_cpu+0x147/0x147 [ 395.384726] [] ? trace_cpuhp_enter+0x66/0xf7 [ 395.408837] [] ? workqueue_prepare_cpu+0x147/0x147 [ 395.433981] [] cpuhp_invoke_callback+0xd2/0x119 [ 395.458503] [] ? workqueue_prepare_cpu+0x147/0x147 [ 395.480141] [] cpuhp_up_callbacks+0x125/0x328 [ 395.502251] [] cpuhp_thread_fun+0x322/0x3e7 [ 395.524816] [] ? cpu_notify_nofail+0x43/0x43 [ 395.546022] [] smpboot_thread_fn+0x6fa/0x711 [ 395.572335] [] ? sort_range+0x35/0x35 [ 395.592546] [] kthread+0x1f7/0x20b [ 395.608922] [] ? sort_range+0x35/0x35 [ 395.626975] [] ? init_completion+0x48/0x48 [ 395.646274] [] ret_from_fork+0x1f/0x40 [ 395.662270] [] ? init_completion+0x48/0x48 [ 395.681533] ================================================================================ [ 395.714763] ================================================================================ [ 395.743163] UBSAN: Undefined behaviour in kernel/workqueue.c:4636:16 [ 395.763428] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 395.796320] which requires 64 byte alignment [ 395.811544] CPU: 1 PID: 14 Comm: cpuhp/1 Not tainted 4.8.11 #1 [ 395.833372] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 395.863318] 00000000ffffffff 00000000296e41e9 ffff88005cad7b68 ffffffffb26ec5cc [ 395.889940] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 395.914938] ffffffff00000010 ffff88005cad7b90 ffff88005cad7b40 ffffffffb363c3e0 [ 395.943484] Call Trace: [ 395.953406] [] dump_stack+0xd7/0x132 [ 395.975712] [] ? arch_local_irq_restore+0x1b/0x1b [ 395.996582] [] ubsan_epilogue+0x12/0x53 [ 396.015546] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 396.040342] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 396.065284] [] workqueue_online_cpu+0x470/0x6e7 [ 396.083410] [] ? workqueue_prepare_cpu+0x147/0x147 [ 396.111088] [] ? workqueue_prepare_cpu+0x147/0x147 [ 396.133543] [] ? trace_cpuhp_enter+0x66/0xf7 [ 396.153429] [] ? workqueue_prepare_cpu+0x147/0x147 [ 396.173827] [] cpuhp_invoke_callback+0xd2/0x119 [ 396.194456] [] ? workqueue_prepare_cpu+0x147/0x147 [ 396.213772] [] cpuhp_up_callbacks+0x125/0x328 [ 396.233142] [] cpuhp_thread_fun+0x322/0x3e7 [ 396.254585] [] ? cpu_notify_nofail+0x43/0x43 [ 396.275049] [] smpboot_thread_fn+0x6fa/0x711 [ 396.293522] [] ? sort_range+0x35/0x35 [ 396.311000] [] kthread+0x1f7/0x20b [ 396.327012] [] ? sort_range+0x35/0x35 [ 396.342066] [] ? init_completion+0x48/0x48 [ 396.360817] [] ret_from_fork+0x1f/0x40 [ 396.381888] [] ? init_completion+0x48/0x48 [ 396.404724] ================================================================================ [ 396.436168] ================================================================================ [ 396.465014] UBSAN: Undefined behaviour in kernel/workqueue.c:4600:33 [ 396.486078] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 396.519752] which requires 64 byte alignment [ 396.533766] CPU: 1 PID: 14 Comm: cpuhp/1 Not tainted 4.8.11 #1 [ 396.554343] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 396.590842] 00000000ffffffff 00000000296e41e9 ffff88005cad7b68 ffffffffb26ec5cc [ 396.616581] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 396.642438] ffffffff00000010 ffff88005cad7b90 ffff88005cad7b40 ffffffffb363c3e0 [ 396.665841] Call Trace: [ 396.675941] [] dump_stack+0xd7/0x132 [ 396.692977] [] ? arch_local_irq_restore+0x1b/0x1b [ 396.714116] [] ubsan_epilogue+0x12/0x53 [ 396.734486] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 396.758376] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 396.783966] [] workqueue_online_cpu+0x497/0x6e7 [ 396.805539] [] ? workqueue_prepare_cpu+0x147/0x147 [ 396.830073] [] ? workqueue_prepare_cpu+0x147/0x147 [ 396.853772] [] ? trace_cpuhp_enter+0x66/0xf7 [ 396.874700] [] ? workqueue_prepare_cpu+0x147/0x147 [ 396.902709] [] cpuhp_invoke_callback+0xd2/0x119 [ 396.924542] [] ? workqueue_prepare_cpu+0x147/0x147 [ 396.946803] [] cpuhp_up_callbacks+0x125/0x328 [ 396.967111] [] cpuhp_thread_fun+0x322/0x3e7 [ 396.985021] [] ? cpu_notify_nofail+0x43/0x43 [ 397.009021] [] smpboot_thread_fn+0x6fa/0x711 [ 397.028594] [] ? sort_range+0x35/0x35 [ 397.048662] [] kthread+0x1f7/0x20b [ 397.065266] [] ? sort_range+0x35/0x35 [ 397.082828] [] ? init_completion+0x48/0x48 [ 397.106466] [] ret_from_fork+0x1f/0x40 [ 397.126706] [] ? init_completion+0x48/0x48 [ 397.149436] ================================================================================ [ 397.179989] ================================================================================ [ 397.215075] UBSAN: Undefined behaviour in kernel/workqueue.c:4603:28 [ 397.239723] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 397.272852] which requires 64 byte alignment [ 397.287163] CPU: 1 PID: 14 Comm: cpuhp/1 Not tainted 4.8.11 #1 [ 397.305912] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 397.338945] 00000000ffffffff 00000000296e41e9 ffff88005cad7b68 ffffffffb26ec5cc [ 397.362743] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 397.391949] ffffffff00000010 ffff88005cad7b90 ffff88005cad7b40 ffffffffb363c3e0 [ 397.426706] Call Trace: [ 397.441095] [] dump_stack+0xd7/0x132 [ 397.462404] [] ? arch_local_irq_restore+0x1b/0x1b [ 397.483646] [] ubsan_epilogue+0x12/0x53 [ 397.502918] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 397.527709] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 397.557315] [] workqueue_online_cpu+0x4dd/0x6e7 [ 397.579028] [] ? workqueue_prepare_cpu+0x147/0x147 [ 397.603173] [] ? workqueue_prepare_cpu+0x147/0x147 [ 397.624252] [] ? trace_cpuhp_enter+0x66/0xf7 [ 397.645753] [] ? workqueue_prepare_cpu+0x147/0x147 [ 397.666557] [] cpuhp_invoke_callback+0xd2/0x119 [ 397.687168] [] ? workqueue_prepare_cpu+0x147/0x147 [ 397.709538] [] cpuhp_up_callbacks+0x125/0x328 [ 397.728049] [] cpuhp_thread_fun+0x322/0x3e7 [ 397.748278] [] ? cpu_notify_nofail+0x43/0x43 [ 397.764903] [] smpboot_thread_fn+0x6fa/0x711 [ 397.785381] [] ? sort_range+0x35/0x35 [ 397.805288] [] kthread+0x1f7/0x20b [ 397.822490] [] ? sort_range+0x35/0x35 [ 397.839395] [] ? init_completion+0x48/0x48 [ 397.857911] [] ret_from_fork+0x1f/0x40 [ 397.876596] [] ? init_completion+0x48/0x48 [ 397.896118] ================================================================================ [ 397.929179] ================================================================================ [ 397.956999] UBSAN: Undefined behaviour in kernel/workqueue.c:4606:2 [ 397.979713] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 398.015495] which requires 64 byte alignment [ 398.031563] CPU: 1 PID: 14 Comm: cpuhp/1 Not tainted 4.8.11 #1 [ 398.055034] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 398.088168] 00000000ffffffff 00000000296e41e9 ffff88005cad7b68 ffffffffb26ec5cc [ 398.114392] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 398.139400] ffffffff00000010 ffff88005cad7b90 ffff88005cad7b40 ffffffffb363c3e0 [ 398.165311] Call Trace: [ 398.175356] [] dump_stack+0xd7/0x132 [ 398.191419] [] ? arch_local_irq_restore+0x1b/0x1b [ 398.211467] [] ubsan_epilogue+0x12/0x53 [ 398.228784] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 398.255487] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 398.279347] [] workqueue_online_cpu+0x50c/0x6e7 [ 398.299474] [] ? workqueue_prepare_cpu+0x147/0x147 [ 398.324933] [] ? workqueue_prepare_cpu+0x147/0x147 [ 398.348571] [] ? trace_cpuhp_enter+0x66/0xf7 [ 398.370927] [] ? workqueue_prepare_cpu+0x147/0x147 [ 398.394790] [] cpuhp_invoke_callback+0xd2/0x119 [ 398.413895] [] ? workqueue_prepare_cpu+0x147/0x147 [ 398.434866] [] cpuhp_up_callbacks+0x125/0x328 [ 398.456579] [] cpuhp_thread_fun+0x322/0x3e7 [ 398.478651] [] ? cpu_notify_nofail+0x43/0x43 [ 398.499537] [] smpboot_thread_fn+0x6fa/0x711 [ 398.522071] [] ? sort_range+0x35/0x35 [ 398.541716] [] kthread+0x1f7/0x20b [ 398.558579] [] ? sort_range+0x35/0x35 [ 398.578352] [] ? init_completion+0x48/0x48 [ 398.601153] [] ret_from_fork+0x1f/0x40 [ 398.617744] [] ? init_completion+0x48/0x48 [ 398.642790] ================================================================================ [ 398.671383] ================================================================================ [ 398.698417] UBSAN: Undefined behaviour in kernel/workqueue.c:3796:30 [ 398.719957] member access within misaligned address ffff88005d13aed8 for type 'struct workqueue_struct' [ 398.750827] which requires 64 byte alignment [ 398.764149] CPU: 1 PID: 14 Comm: cpuhp/1 Not tainted 4.8.11 #1 [ 398.784712] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 398.815326] 00000000ffffffff 00000000296e41e9 ffff88005cad7ab0 ffffffffb26ec5cc [ 398.842817] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 398.871277] 0000000000000010 ffff88005cad7ad8 ffff88005cad7a88 ffffffffb363c3e0 [ 398.897483] Call Trace: [ 398.905385] [] dump_stack+0xd7/0x132 [ 398.926680] [] ? arch_local_irq_restore+0x1b/0x1b [ 398.946306] [] ubsan_epilogue+0x12/0x53 [ 398.962585] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 398.984332] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 399.011523] [] wq_update_unbound_numa+0x17d/0x63f [ 399.032496] [] ? idr_is_empty+0x27/0x27 [ 399.051985] [] ? alloc_unbound_pwq+0xa34/0xa34 [ 399.073405] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 399.090611] [] workqueue_online_cpu+0x66e/0x6e7 [ 399.111123] [] ? workqueue_prepare_cpu+0x147/0x147 [ 399.132467] [] ? workqueue_prepare_cpu+0x147/0x147 [ 399.156786] [] ? trace_cpuhp_enter+0x66/0xf7 [ 399.176904] [] ? workqueue_prepare_cpu+0x147/0x147 [ 399.200388] [] cpuhp_invoke_callback+0xd2/0x119 [ 399.220729] [] ? workqueue_prepare_cpu+0x147/0x147 [ 399.241951] [] cpuhp_up_callbacks+0x125/0x328 [ 399.263655] [] cpuhp_thread_fun+0x322/0x3e7 [ 399.282653] [] ? cpu_notify_nofail+0x43/0x43 [ 399.302894] [] smpboot_thread_fn+0x6fa/0x711 [ 399.324708] [] ? sort_range+0x35/0x35 [ 399.344014] [] kthread+0x1f7/0x20b [ 399.363324] [] ? sort_range+0x35/0x35 [ 399.382422] [] ? init_completion+0x48/0x48 [ 399.403124] [] ret_from_fork+0x1f/0x40 [ 399.422044] [] ? init_completion+0x48/0x48 [ 399.443279] ================================================================================ [ 399.473741] ================================================================================ [ 399.500656] UBSAN: Undefined behaviour in kernel/workqueue.c:4643:2 [ 399.519374] member access within misaligned address ffff88005d13aed8 for type 'struct workqueue_struct' [ 399.551764] which requires 64 byte alignment [ 399.563805] CPU: 1 PID: 14 Comm: cpuhp/1 Not tainted 4.8.11 #1 [ 399.584257] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 399.619727] 00000000ffffffff 00000000296e41e9 ffff88005cad7b68 ffffffffb26ec5cc [ 399.652274] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 399.678409] 0000000000000010 ffff88005cad7b90 ffff88005cad7b40 ffffffffb363c3e0 [ 399.705103] Call Trace: [ 399.713698] [] dump_stack+0xd7/0x132 [ 399.730589] [] ? arch_local_irq_restore+0x1b/0x1b [ 399.755506] [] ubsan_epilogue+0x12/0x53 [ 399.773396] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 399.796762] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 399.821461] [] workqueue_online_cpu+0x683/0x6e7 [ 399.844921] [] ? workqueue_prepare_cpu+0x147/0x147 [ 399.870069] [] ? workqueue_prepare_cpu+0x147/0x147 [ 399.891009] [] ? trace_cpuhp_enter+0x66/0xf7 [ 399.910519] [] ? workqueue_prepare_cpu+0x147/0x147 [ 399.931019] [] cpuhp_invoke_callback+0xd2/0x119 [ 399.953061] [] ? workqueue_prepare_cpu+0x147/0x147 [ 399.974476] [] cpuhp_up_callbacks+0x125/0x328 [ 399.994425] [] cpuhp_thread_fun+0x322/0x3e7 [ 400.013416] [] ? cpu_notify_nofail+0x43/0x43 [ 400.032143] [] smpboot_thread_fn+0x6fa/0x711 [ 400.053364] [] ? sort_range+0x35/0x35 [ 400.074213] [] kthread+0x1f7/0x20b [ 400.091358] [] ? sort_range+0x35/0x35 [ 400.111455] [] ? init_completion+0x48/0x48 [ 400.131005] [] ret_from_fork+0x1f/0x40 [ 400.148449] [] ? init_completion+0x48/0x48 [ 400.165363] ================================================================================ [ 400.196351] ================================================================================ [ 400.226016] UBSAN: Undefined behaviour in kernel/workqueue.c:3817:44 [ 400.252951] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 400.284290] which requires 64 byte alignment [ 400.300086] CPU: 1 PID: 14 Comm: cpuhp/1 Not tainted 4.8.11 #1 [ 400.322630] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 400.354924] 00000000ffffffff 00000000296e41e9 ffff88005cad7ab0 ffffffffb26ec5cc [ 400.382980] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 400.412170] 0000000000000010 ffff88005cad7ad8 ffff88005cad7a88 ffffffffb363c3e0 [ 400.438499] Call Trace: [ 400.448254] [] dump_stack+0xd7/0x132 [ 400.463926] [] ? arch_local_irq_restore+0x1b/0x1b [ 400.486566] [] ubsan_epilogue+0x12/0x53 [ 400.504536] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 400.528059] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 400.551922] [] wq_update_unbound_numa+0x349/0x63f [ 400.573907] [] ? alloc_unbound_pwq+0xa34/0xa34 [ 400.596370] [] workqueue_online_cpu+0x66e/0x6e7 [ 400.616709] [] ? workqueue_prepare_cpu+0x147/0x147 [ 400.637487] [] ? workqueue_prepare_cpu+0x147/0x147 [ 400.658992] [] ? trace_cpuhp_enter+0x66/0xf7 [ 400.680231] [] ? workqueue_prepare_cpu+0x147/0x147 [ 400.702728] [] cpuhp_invoke_callback+0xd2/0x119 [ 400.724125] [] ? workqueue_prepare_cpu+0x147/0x147 [ 400.748732] [] cpuhp_up_callbacks+0x125/0x328 [ 400.769950] [] cpuhp_thread_fun+0x322/0x3e7 [ 400.789457] [] ? cpu_notify_nofail+0x43/0x43 [ 400.809481] [] smpboot_thread_fn+0x6fa/0x711 [ 400.829415] [] ? sort_range+0x35/0x35 [ 400.847729] [] kthread+0x1f7/0x20b [ 400.863215] [] ? sort_range+0x35/0x35 [ 400.881221] [] ? init_completion+0x48/0x48 [ 400.901267] [] ret_from_fork+0x1f/0x40 [ 400.920556] [] ? init_completion+0x48/0x48 [ 400.940762] ================================================================================ [ 400.968096] ================================================================================ [ 400.995631] UBSAN: Undefined behaviour in kernel/workqueue.c:3818:39 [ 401.015419] member access within misaligned address ffff88005d276038 for type 'struct worker_pool' [ 401.044119] which requires 64 byte alignment [ 401.059603] CPU: 1 PID: 14 Comm: cpuhp/1 Not tainted 4.8.11 #1 [ 401.079811] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 401.115014] 00000000ffffffff 00000000296e41e9 ffff88005cad7ab0 ffffffffb26ec5cc [ 401.140640] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 401.166692] ffff880000000010 ffff88005cad7ad8 ffff88005cad7a88 ffffffffb363c3e0 [ 401.193466] Call Trace: [ 401.200891] [] dump_stack+0xd7/0x132 [ 401.219230] [] ? arch_local_irq_restore+0x1b/0x1b [ 401.243847] [] ubsan_epilogue+0x12/0x53 [ 401.263796] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 401.291993] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 401.319609] [] wq_update_unbound_numa+0x3bc/0x63f [ 401.348136] [] ? alloc_unbound_pwq+0xa34/0xa34 [ 401.365488] [] workqueue_online_cpu+0x66e/0x6e7 [ 401.389135] [] ? workqueue_prepare_cpu+0x147/0x147 [ 401.411003] [] ? workqueue_prepare_cpu+0x147/0x147 [ 401.431325] [] ? trace_cpuhp_enter+0x66/0xf7 [ 401.450241] [] ? workqueue_prepare_cpu+0x147/0x147 [ 401.467857] [] cpuhp_invoke_callback+0xd2/0x119 [ 401.487325] [] ? workqueue_prepare_cpu+0x147/0x147 [ 401.507189] [] cpuhp_up_callbacks+0x125/0x328 [ 401.527498] [] cpuhp_thread_fun+0x322/0x3e7 [ 401.546765] [] ? cpu_notify_nofail+0x43/0x43 [ 401.566313] [] smpboot_thread_fn+0x6fa/0x711 [ 401.583493] [] ? sort_range+0x35/0x35 [ 401.601634] [] kthread+0x1f7/0x20b [ 401.621748] [] ? sort_range+0x35/0x35 [ 401.640394] [] ? init_completion+0x48/0x48 [ 401.659857] [] ret_from_fork+0x1f/0x40 [ 401.676426] [] ? init_completion+0x48/0x48 [ 401.695940] ================================================================================ [ 401.723257] ================================================================================ [ 401.755349] UBSAN: Undefined behaviour in kernel/workqueue.c:3797:8 [ 401.777747] member access within misaligned address ffff88005d13b230 for type 'struct workqueue_struct' [ 401.806612] which requires 64 byte alignment [ 401.820135] CPU: 1 PID: 14 Comm: cpuhp/1 Not tainted 4.8.11 #1 [ 401.836672] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 401.869727] 00000000ffffffff 00000000296e41e9 ffff88005cad7ab0 ffffffffb26ec5cc [ 401.894141] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 401.919243] ffff880000000010 ffff88005cad7ad8 ffff88005cad7a88 ffffffffb363c3e0 [ 401.943556] Call Trace: [ 401.952091] [] dump_stack+0xd7/0x132 [ 401.968278] [] ? arch_local_irq_restore+0x1b/0x1b [ 401.986924] [] ubsan_epilogue+0x12/0x53 [ 402.007903] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 402.032407] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 402.056383] [] ? __bitmap_equal+0x13f/0x151 [ 402.075737] [] wq_update_unbound_numa+0x1b4/0x63f [ 402.096169] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 402.117415] [] ? alloc_unbound_pwq+0xa34/0xa34 [ 402.138610] [] workqueue_online_cpu+0x66e/0x6e7 [ 402.159213] [] ? workqueue_prepare_cpu+0x147/0x147 [ 402.182288] [] ? workqueue_prepare_cpu+0x147/0x147 [ 402.202407] [] ? trace_cpuhp_enter+0x66/0xf7 [ 402.222868] [] ? workqueue_prepare_cpu+0x147/0x147 [ 402.243057] [] cpuhp_invoke_callback+0xd2/0x119 [ 402.264496] [] ? workqueue_prepare_cpu+0x147/0x147 [ 402.282755] [] cpuhp_up_callbacks+0x125/0x328 [ 402.301220] [] cpuhp_thread_fun+0x322/0x3e7 [ 402.321132] [] ? cpu_notify_nofail+0x43/0x43 [ 402.342242] [] smpboot_thread_fn+0x6fa/0x711 [ 402.361447] [] ? sort_range+0x35/0x35 [ 402.378144] [] kthread+0x1f7/0x20b [ 402.393211] [] ? sort_range+0x35/0x35 [ 402.408216] [] ? init_completion+0x48/0x48 [ 402.425161] [] ret_from_fork+0x1f/0x40 [ 402.443981] [] ? init_completion+0x48/0x48 [ 402.460591] ================================================================================ [ 402.487415] ================================================================================ [ 402.513257] UBSAN: Undefined behaviour in kernel/workqueue.c:3808:39 [ 402.531852] member access within misaligned address ffff88005d13b230 for type 'struct workqueue_struct' [ 402.562160] which requires 64 byte alignment [ 402.578017] CPU: 1 PID: 14 Comm: cpuhp/1 Not tainted 4.8.11 #1 [ 402.598261] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 402.627508] 00000000ffffffff 00000000296e41e9 ffff88005cad7ab0 ffffffffb26ec5cc [ 402.651231] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 402.675335] ffff880000000010 ffff88005cad7ad8 ffff88005cad7a88 ffffffffb363c3e0 [ 402.698734] Call Trace: [ 402.707965] [] dump_stack+0xd7/0x132 [ 402.724866] [] ? arch_local_irq_restore+0x1b/0x1b [ 402.744160] [] ubsan_epilogue+0x12/0x53 [ 402.764091] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 402.783537] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 402.809418] [] ? __bitmap_equal+0x13f/0x151 [ 402.827615] [] wq_update_unbound_numa+0x252/0x63f [ 402.847243] [] ? alloc_unbound_pwq+0xa34/0xa34 [ 402.866649] [] workqueue_online_cpu+0x66e/0x6e7 [ 402.883656] [] ? workqueue_prepare_cpu+0x147/0x147 [ 402.907526] [] ? workqueue_prepare_cpu+0x147/0x147 [ 402.928892] [] ? trace_cpuhp_enter+0x66/0xf7 [ 402.949321] [] ? workqueue_prepare_cpu+0x147/0x147 [ 402.970276] [] cpuhp_invoke_callback+0xd2/0x119 [ 402.989376] [] ? workqueue_prepare_cpu+0x147/0x147 [ 403.013757] [] cpuhp_up_callbacks+0x125/0x328 [ 403.032609] [] cpuhp_thread_fun+0x322/0x3e7 [ 403.054198] [] ? cpu_notify_nofail+0x43/0x43 [ 403.074801] [] smpboot_thread_fn+0x6fa/0x711 [ 403.093307] [] ? sort_range+0x35/0x35 [ 403.111214] [] kthread+0x1f7/0x20b [ 403.125732] [] ? sort_range+0x35/0x35 [ 403.149289] [] ? init_completion+0x48/0x48 [ 403.165311] [] ret_from_fork+0x1f/0x40 [ 403.184214] [] ? init_completion+0x48/0x48 [ 403.203183] ================================================================================ [ 403.230228] ================================================================================ [ 403.258744] UBSAN: Undefined behaviour in kernel/workqueue.c:3817:29 [ 403.280950] member access within misaligned address ffff88005d13b230 for type 'struct workqueue_struct' [ 403.314982] which requires 64 byte alignment [ 403.329192] CPU: 1 PID: 14 Comm: cpuhp/1 Not tainted 4.8.11 #1 [ 403.350563] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 403.380798] 00000000ffffffff 00000000296e41e9 ffff88005cad7ab0 ffffffffb26ec5cc [ 403.404449] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 403.430872] ffff880000000010 ffff88005cad7ad8 ffff88005cad7a88 ffffffffb363c3e0 [ 403.456037] Call Trace: [ 403.462841] [] dump_stack+0xd7/0x132 [ 403.481944] [] ? arch_local_irq_restore+0x1b/0x1b [ 403.504242] [] ubsan_epilogue+0x12/0x53 [ 403.522186] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 403.542765] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 403.563666] [] wq_update_unbound_numa+0x2fc/0x63f [ 403.584883] [] ? alloc_unbound_pwq+0xa34/0xa34 [ 403.604529] [] workqueue_online_cpu+0x66e/0x6e7 [ 403.625132] [] ? workqueue_prepare_cpu+0x147/0x147 [ 403.644140] [] ? workqueue_prepare_cpu+0x147/0x147 [ 403.675582] [] ? trace_cpuhp_enter+0x66/0xf7 [ 403.695140] [] ? workqueue_prepare_cpu+0x147/0x147 [ 403.716596] [] cpuhp_invoke_callback+0xd2/0x119 [ 403.737919] [] ? workqueue_prepare_cpu+0x147/0x147 [ 403.756778] [] cpuhp_up_callbacks+0x125/0x328 [ 403.776041] [] cpuhp_thread_fun+0x322/0x3e7 [ 403.793961] [] ? cpu_notify_nofail+0x43/0x43 [ 403.815726] [] smpboot_thread_fn+0x6fa/0x711 [ 403.832360] [] ? sort_range+0x35/0x35 [ 403.849994] [] kthread+0x1f7/0x20b [ 403.867958] [] ? sort_range+0x35/0x35 [ 403.883442] [] ? init_completion+0x48/0x48 [ 403.906550] [] ret_from_fork+0x1f/0x40 [ 403.924241] [] ? init_completion+0x48/0x48 [ 403.942026] ================================================================================ [ 403.969259] KVM setup async PF for cpu 1 [ 403.979948] kvm-stealtime: cpu 1, msr 5d516940 [ 404.002414] [ 404.008122] .... node #1, CPUs: #2 [ 404.025448] kvm-clock: cpu 2, msr 0:be7d6081, secondary cpu clock [ 404.098427] KVM setup async PF for cpu 2 [ 404.111639] kvm-stealtime: cpu 2, msr a3c16940 [ 404.133386] #3 [ 404.145546] kvm-clock: cpu 3, msr 0:be7d60c1, secondary cpu clock [ 404.205406] KVM setup async PF for cpu 3 [ 404.218377] kvm-stealtime: cpu 3, msr a3d16940 [ 404.236062] x86: Booted up 2 nodes, 4 CPUs [ 404.250335] smpboot: Total of 4 processors activated (21598.41 BogoMIPS) [ 404.305547] ================================================================================ [ 404.332548] UBSAN: Undefined behaviour in kernel/workqueue.c:3874:3 [ 404.351110] member access within misaligned address ffff88005cb41418 for type 'struct workqueue_struct' [ 404.378922] which requires 64 byte alignment [ 404.393411] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 404.411030] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 404.436654] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc70 ffffffffb26ec5cc [ 404.462833] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 404.484274] ffff880000000010 ffff88005c9dfc98 ffff88005c9dfc48 ffffffffb363c3e0 [ 404.507235] Call Trace: [ 404.513490] [] dump_stack+0xd7/0x132 [ 404.527472] [] ? arch_local_irq_restore+0x1b/0x1b [ 404.545953] [] ubsan_epilogue+0x12/0x53 [ 404.563060] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 404.583240] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 404.606088] [] ? put_online_cpus+0xb1/0xb4 [ 404.622752] [] __alloc_workqueue_key+0x84f/0xbf8 [ 404.639711] [] ? workqueue_sysfs_register+0x305/0x305 [ 404.659459] [] ? find_next_bit+0x3e/0x48 [ 404.683479] [] ? memcpy+0x45/0x4c [ 404.697582] [] cpuset_init_smp+0x85/0xab [ 404.715036] [] kernel_init_freeable+0x25f/0x518 [ 404.732524] [] ? balance_callback+0x3a/0x137 [ 404.749953] [] kernel_init+0x16/0x181 [ 404.765661] [] ret_from_fork+0x1f/0x40 [ 404.780419] [] ? rest_init+0x8f/0x8f [ 404.797227] ================================================================================ [ 404.823883] ================================================================================ [ 404.850019] UBSAN: Undefined behaviour in kernel/workqueue.c:3874:3 [ 404.867853] member access within misaligned address ffff88005cb41418 for type 'struct workqueue_struct' [ 404.894481] which requires 64 byte alignment [ 404.906124] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 404.929236] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 404.956703] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc70 ffffffffb26ec5cc [ 404.979146] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 405.001282] ffff880000000010 ffff88005c9dfc98 ffff88005c9dfc48 ffffffffb363c3e0 [ 405.021729] Call Trace: [ 405.030821] [] dump_stack+0xd7/0x132 [ 405.047951] [] ? arch_local_irq_restore+0x1b/0x1b [ 405.070628] [] ubsan_epilogue+0x12/0x53 [ 405.090047] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 405.111815] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 405.151436] [] ? put_online_cpus+0xb1/0xb4 [ 405.171222] [] __alloc_workqueue_key+0x863/0xbf8 [ 405.189965] [] ? workqueue_sysfs_register+0x305/0x305 [ 405.213887] [] ? find_next_bit+0x3e/0x48 [ 405.234768] [] ? memcpy+0x45/0x4c [ 405.251809] [] cpuset_init_smp+0x85/0xab [ 405.270795] [] kernel_init_freeable+0x25f/0x518 [ 405.297009] [] ? balance_callback+0x3a/0x137 [ 405.323261] [] kernel_init+0x16/0x181 [ 405.350022] [] ret_from_fork+0x1f/0x40 [ 405.373793] [] ? rest_init+0x8f/0x8f [ 405.402287] ================================================================================ [ 405.440483] ================================================================================ [ 405.488454] UBSAN: Undefined behaviour in kernel/workqueue.c:3874:3 [ 405.519646] member access within misaligned address ffff88005cb41418 for type 'struct workqueue_struct' [ 405.567132] which requires 64 byte alignment [ 405.587273] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 405.617794] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 405.670492] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc70 ffffffffb26ec5cc [ 405.707395] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 405.742325] ffff880000000010 ffff88005c9dfc98 ffff88005c9dfc48 ffffffffb363c3e0 [ 405.770139] Call Trace: [ 405.776790] [] dump_stack+0xd7/0x132 [ 405.794534] [] ? arch_local_irq_restore+0x1b/0x1b [ 405.817513] [] ubsan_epilogue+0x12/0x53 [ 405.834604] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 405.857016] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 405.882625] [] ? put_online_cpus+0xb1/0xb4 [ 405.902944] [] __alloc_workqueue_key+0x89d/0xbf8 [ 405.927826] [] ? workqueue_sysfs_register+0x305/0x305 [ 405.954794] [] ? find_next_bit+0x3e/0x48 [ 405.978294] [] ? memcpy+0x45/0x4c [ 406.000985] [] cpuset_init_smp+0x85/0xab [ 406.018927] [] kernel_init_freeable+0x25f/0x518 [ 406.040807] [] ? balance_callback+0x3a/0x137 [ 406.059919] [] kernel_init+0x16/0x181 [ 406.076806] [] ret_from_fork+0x1f/0x40 [ 406.096563] [] ? rest_init+0x8f/0x8f [ 406.113899] ================================================================================ [ 406.147314] ================================================================================ [ 406.172729] UBSAN: Undefined behaviour in kernel/workqueue.c:3874:3 [ 406.191673] member access within misaligned address ffff88005cb41418 for type 'struct workqueue_struct' [ 406.221819] which requires 64 byte alignment [ 406.235446] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 406.253523] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 406.284687] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc70 ffffffffb26ec5cc [ 406.313382] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 406.338310] ffff880000000010 ffff88005c9dfc98 ffff88005c9dfc48 ffffffffb363c3e0 [ 406.362520] Call Trace: [ 406.371362] [] dump_stack+0xd7/0x132 [ 406.385548] [] ? arch_local_irq_restore+0x1b/0x1b [ 406.409080] [] ubsan_epilogue+0x12/0x53 [ 406.425580] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 406.449556] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 406.478116] [] ? put_online_cpus+0xb1/0xb4 [ 406.501330] [] __alloc_workqueue_key+0x8b1/0xbf8 [ 406.531338] [] ? workqueue_sysfs_register+0x305/0x305 [ 406.556583] [] ? find_next_bit+0x3e/0x48 [ 406.576423] [] ? memcpy+0x45/0x4c [ 406.596818] [] cpuset_init_smp+0x85/0xab [ 406.615180] [] kernel_init_freeable+0x25f/0x518 [ 406.639167] [] ? balance_callback+0x3a/0x137 [ 406.663410] [] kernel_init+0x16/0x181 [ 406.682563] [] ret_from_fork+0x1f/0x40 [ 406.703540] [] ? rest_init+0x8f/0x8f [ 406.725756] ================================================================================ [ 406.776784] ================================================================================ [ 406.808905] UBSAN: Undefined behaviour in mm/shmem.c:3679:16 [ 406.833767] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 406.870317] which requires 64 byte alignment [ 406.885345] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 406.906143] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 406.942856] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc48 ffffffffb26ec5cc [ 406.974020] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 407.001471] ffff880000000010 ffff88005c9dfc70 ffff88005c9dfc20 ffffffffb363c3e0 [ 407.026666] Call Trace: [ 407.035623] [] dump_stack+0xd7/0x132 [ 407.054344] [] ? arch_local_irq_restore+0x1b/0x1b [ 407.079743] [] ubsan_epilogue+0x12/0x53 [ 407.099640] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 407.122629] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 407.147835] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 407.167557] [] ? memset+0x31/0x38 [ 407.181533] [] ? shmem_remount_fs+0x448/0x448 [ 407.202483] [] shmem_fill_super+0x231/0x803 [ 407.222470] [] ? shmem_remount_fs+0x448/0x448 [ 407.244969] [] ? get_anon_bdev+0x1e7/0x1e7 [ 407.264535] [] ? sget+0xd3/0xe3 [ 407.278979] [] ? shmem_remount_fs+0x448/0x448 [ 407.297414] [] mount_nodev+0x67/0x11e [ 407.314086] [] shmem_mount+0x33/0x38 [ 407.328223] [] mount_fs+0xd0/0x2ca [ 407.344275] [] vfs_kern_mount+0xa0/0x20a [ 407.364388] [] kern_mount_data+0x4b/0x9a [ 407.380526] [] shmem_init+0x86/0x263 [ 407.395319] [] kernel_init_freeable+0x264/0x518 [ 407.413863] [] ? balance_callback+0x3a/0x137 [ 407.430716] [] kernel_init+0x16/0x181 [ 407.445076] [] ret_from_fork+0x1f/0x40 [ 407.460766] [] ? rest_init+0x8f/0x8f [ 407.480969] ================================================================================ [ 407.513337] ================================================================================ [ 407.542177] UBSAN: Undefined behaviour in mm/shmem.c:3687:10 [ 407.562529] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 407.597472] which requires 64 byte alignment [ 407.612372] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 407.633820] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 407.664751] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc48 ffffffffb26ec5cc [ 407.690642] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 407.714834] ffffffff00000010 ffff88005c9dfc70 ffff88005c9dfc20 ffffffffb363c3e0 [ 407.740309] Call Trace: [ 407.747235] [] dump_stack+0xd7/0x132 [ 407.768991] [] ? arch_local_irq_restore+0x1b/0x1b [ 407.792754] [] ubsan_epilogue+0x12/0x53 [ 407.815441] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 407.840684] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 407.870497] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 407.895633] [] ? memset+0x31/0x38 [ 407.917688] [] ? shmem_remount_fs+0x448/0x448 [ 407.936489] [] shmem_fill_super+0x25d/0x803 [ 407.958511] [] ? shmem_remount_fs+0x448/0x448 [ 407.984397] [] ? get_anon_bdev+0x1e7/0x1e7 [ 408.005514] [] ? sget+0xd3/0xe3 [ 408.023569] [] ? shmem_remount_fs+0x448/0x448 [ 408.050029] [] mount_nodev+0x67/0x11e [ 408.067656] [] shmem_mount+0x33/0x38 [ 408.090238] [] mount_fs+0xd0/0x2ca [ 408.107711] [] vfs_kern_mount+0xa0/0x20a [ 408.126899] [] kern_mount_data+0x4b/0x9a [ 408.148777] [] shmem_init+0x86/0x263 [ 408.168267] [] kernel_init_freeable+0x264/0x518 [ 408.191216] [] ? balance_callback+0x3a/0x137 [ 408.215269] [] kernel_init+0x16/0x181 [ 408.233995] [] ret_from_fork+0x1f/0x40 [ 408.253498] [] ? rest_init+0x8f/0x8f [ 408.294057] ================================================================================ [ 408.321010] ================================================================================ [ 408.352782] UBSAN: Undefined behaviour in mm/shmem.c:3695:15 [ 408.372515] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 408.405011] which requires 64 byte alignment [ 408.420161] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 408.442174] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 408.477105] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc48 ffffffffb26ec5cc [ 408.503470] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 408.532428] ffffffff00000010 ffff88005c9dfc70 ffff88005c9dfc20 ffffffffb363c3e0 [ 408.556742] Call Trace: [ 408.567012] [] dump_stack+0xd7/0x132 [ 408.582529] [] ? arch_local_irq_restore+0x1b/0x1b [ 408.604637] [] ubsan_epilogue+0x12/0x53 [ 408.623793] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 408.651759] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 408.678306] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 408.702721] [] ? memset+0x31/0x38 [ 408.720973] [] shmem_fill_super+0x330/0x803 [ 408.741208] [] ? shmem_remount_fs+0x448/0x448 [ 408.762205] [] ? get_anon_bdev+0x1e7/0x1e7 [ 408.780777] [] ? sget+0xd3/0xe3 [ 408.795277] [] ? shmem_remount_fs+0x448/0x448 [ 408.815155] [] mount_nodev+0x67/0x11e [ 408.831027] [] shmem_mount+0x33/0x38 [ 408.850089] [] mount_fs+0xd0/0x2ca [ 408.864624] [] vfs_kern_mount+0xa0/0x20a [ 408.884730] [] kern_mount_data+0x4b/0x9a [ 408.904611] [] shmem_init+0x86/0x263 [ 408.921760] [] kernel_init_freeable+0x264/0x518 [ 408.940386] [] ? balance_callback+0x3a/0x137 [ 408.962698] [] kernel_init+0x16/0x181 [ 408.979653] [] ret_from_fork+0x1f/0x40 [ 408.998182] [] ? rest_init+0x8f/0x8f [ 409.014821] ================================================================================ [ 409.046943] ================================================================================ [ 409.075841] UBSAN: Undefined behaviour in mm/shmem.c:3695:15 [ 409.094536] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 409.124167] which requires 64 byte alignment [ 409.140356] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 409.158818] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 409.191712] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc48 ffffffffb26ec5cc [ 409.215856] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 409.240804] ffffffff00000010 ffff88005c9dfc70 ffff88005c9dfc20 ffffffffb363c3e0 [ 409.265029] Call Trace: [ 409.272963] [] dump_stack+0xd7/0x132 [ 409.290820] [] ? arch_local_irq_restore+0x1b/0x1b [ 409.310752] [] ubsan_epilogue+0x12/0x53 [ 409.332760] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 409.355471] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 409.381823] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 409.402502] [] ? memset+0x31/0x38 [ 409.421077] [] shmem_fill_super+0x350/0x803 [ 409.438807] [] ? shmem_remount_fs+0x448/0x448 [ 409.461217] [] ? get_anon_bdev+0x1e7/0x1e7 [ 409.484631] [] ? sget+0xd3/0xe3 [ 409.500661] [] ? shmem_remount_fs+0x448/0x448 [ 409.521484] [] mount_nodev+0x67/0x11e [ 409.539599] [] shmem_mount+0x33/0x38 [ 409.557746] [] mount_fs+0xd0/0x2ca [ 409.576825] [] vfs_kern_mount+0xa0/0x20a [ 409.599272] [] kern_mount_data+0x4b/0x9a [ 409.616237] [] shmem_init+0x86/0x263 [ 409.632874] [] kernel_init_freeable+0x264/0x518 [ 409.652757] [] ? balance_callback+0x3a/0x137 [ 409.673503] [] kernel_init+0x16/0x181 [ 409.691105] [] ret_from_fork+0x1f/0x40 [ 409.706466] [] ? rest_init+0x8f/0x8f [ 409.723980] ================================================================================ [ 409.755348] ================================================================================ [ 409.782184] UBSAN: Undefined behaviour in mm/shmem.c:3697:18 [ 409.800659] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 409.834846] which requires 64 byte alignment [ 409.849246] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 409.870721] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 409.901522] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc48 ffffffffb26ec5cc [ 409.926558] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 409.952159] ffffffff00000010 ffff88005c9dfc70 ffff88005c9dfc20 ffffffffb363c3e0 [ 409.977167] Call Trace: [ 409.987096] [] dump_stack+0xd7/0x132 [ 410.002641] [] ? arch_local_irq_restore+0x1b/0x1b [ 410.024578] [] ubsan_epilogue+0x12/0x53 [ 410.042714] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 410.064684] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 410.090668] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 410.109221] [] ? memset+0x31/0x38 [ 410.128255] [] shmem_fill_super+0x372/0x803 [ 410.148297] [] ? shmem_remount_fs+0x448/0x448 [ 410.169083] [] ? get_anon_bdev+0x1e7/0x1e7 [ 410.189765] [] ? sget+0xd3/0xe3 [ 410.203131] [] ? shmem_remount_fs+0x448/0x448 [ 410.224836] [] mount_nodev+0x67/0x11e [ 410.242654] [] shmem_mount+0x33/0x38 [ 410.260903] [] mount_fs+0xd0/0x2ca [ 410.280283] [] vfs_kern_mount+0xa0/0x20a [ 410.300173] [] kern_mount_data+0x4b/0x9a [ 410.315960] [] shmem_init+0x86/0x263 [ 410.330296] [] kernel_init_freeable+0x264/0x518 [ 410.348073] [] ? balance_callback+0x3a/0x137 [ 410.364572] [] kernel_init+0x16/0x181 [ 410.380694] [] ret_from_fork+0x1f/0x40 [ 410.399454] [] ? rest_init+0x8f/0x8f [ 410.413930] ================================================================================ [ 410.438833] ================================================================================ [ 410.464845] UBSAN: Undefined behaviour in mm/shmem.c:3698:14 [ 410.479323] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 410.505299] which requires 64 byte alignment [ 410.522332] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 410.541750] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 410.575296] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc48 ffffffffb26ec5cc [ 410.600024] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 410.629336] ffffffff00000010 ffff88005c9dfc70 ffff88005c9dfc20 ffffffffb363c3e0 [ 410.657481] Call Trace: [ 410.671484] [] dump_stack+0xd7/0x132 [ 410.689245] [] ? arch_local_irq_restore+0x1b/0x1b [ 410.710452] [] ubsan_epilogue+0x12/0x53 [ 410.730787] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 410.752670] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 410.778421] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 410.800914] [] ? memset+0x31/0x38 [ 410.818237] [] shmem_fill_super+0x39c/0x803 [ 410.833941] [] ? shmem_remount_fs+0x448/0x448 [ 410.852639] [] ? get_anon_bdev+0x1e7/0x1e7 [ 410.872555] [] ? sget+0xd3/0xe3 [ 410.888162] [] ? shmem_remount_fs+0x448/0x448 [ 410.909053] [] mount_nodev+0x67/0x11e [ 410.928007] [] shmem_mount+0x33/0x38 [ 410.944606] [] mount_fs+0xd0/0x2ca [ 410.959251] [] vfs_kern_mount+0xa0/0x20a [ 410.977057] [] kern_mount_data+0x4b/0x9a [ 410.996004] [] shmem_init+0x86/0x263 [ 411.012014] [] kernel_init_freeable+0x264/0x518 [ 411.031677] [] ? balance_callback+0x3a/0x137 [ 411.051134] [] kernel_init+0x16/0x181 [ 411.071146] [] ret_from_fork+0x1f/0x40 [ 411.090179] [] ? rest_init+0x8f/0x8f [ 411.104583] ================================================================================ [ 411.135358] ================================================================================ [ 411.163647] UBSAN: Undefined behaviour in mm/shmem.c:3698:14 [ 411.190807] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 411.223196] which requires 64 byte alignment [ 411.238797] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 411.271783] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 411.318978] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc48 ffffffffb26ec5cc [ 411.354044] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 411.391435] ffffffff00000010 ffff88005c9dfc70 ffff88005c9dfc20 ffffffffb363c3e0 [ 411.427766] Call Trace: [ 411.440581] [] dump_stack+0xd7/0x132 [ 411.463153] [] ? arch_local_irq_restore+0x1b/0x1b [ 411.487400] [] ubsan_epilogue+0x12/0x53 [ 411.506357] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 411.533987] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 411.557642] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 411.578284] [] ? memset+0x31/0x38 [ 411.593364] [] shmem_fill_super+0x3c0/0x803 [ 411.612099] [] ? shmem_remount_fs+0x448/0x448 [ 411.630812] [] ? get_anon_bdev+0x1e7/0x1e7 [ 411.647023] [] ? sget+0xd3/0xe3 [ 411.662123] [] ? shmem_remount_fs+0x448/0x448 [ 411.679919] [] mount_nodev+0x67/0x11e [ 411.695847] [] shmem_mount+0x33/0x38 [ 411.714517] [] mount_fs+0xd0/0x2ca [ 411.727834] [] vfs_kern_mount+0xa0/0x20a [ 411.749741] [] kern_mount_data+0x4b/0x9a [ 411.768293] [] shmem_init+0x86/0x263 [ 411.782950] [] kernel_init_freeable+0x264/0x518 [ 411.801896] [] ? balance_callback+0x3a/0x137 [ 411.820397] [] kernel_init+0x16/0x181 [ 411.836445] [] ret_from_fork+0x1f/0x40 [ 411.857827] [] ? rest_init+0x8f/0x8f [ 411.875856] ================================================================================ [ 411.903564] ================================================================================ [ 411.933877] UBSAN: Undefined behaviour in mm/shmem.c:3710:17 [ 411.953769] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 411.991649] which requires 64 byte alignment [ 412.007405] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 412.032301] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 412.066541] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc48 ffffffffb26ec5cc [ 412.093870] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 412.127032] ffffffff00000010 ffff88005c9dfc70 ffff88005c9dfc20 ffffffffb363c3e0 [ 412.157770] Call Trace: [ 412.165800] [] dump_stack+0xd7/0x132 [ 412.187664] [] ? arch_local_irq_restore+0x1b/0x1b [ 412.213127] [] ubsan_epilogue+0x12/0x53 [ 412.236302] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 412.262008] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 412.290084] [] ? percpu_counter_destroy+0xc8/0xc8 [ 412.316892] [] ? memset+0x31/0x38 [ 412.338370] [] shmem_fill_super+0x50b/0x803 [ 412.366589] [] ? shmem_remount_fs+0x448/0x448 [ 412.395630] [] ? get_anon_bdev+0x1e7/0x1e7 [ 412.418966] [] ? sget+0xd3/0xe3 [ 412.434866] [] ? shmem_remount_fs+0x448/0x448 [ 412.461954] [] mount_nodev+0x67/0x11e [ 412.482421] [] shmem_mount+0x33/0x38 [ 412.501813] [] mount_fs+0xd0/0x2ca [ 412.521494] [] vfs_kern_mount+0xa0/0x20a [ 412.543420] [] kern_mount_data+0x4b/0x9a [ 412.560937] [] shmem_init+0x86/0x263 [ 412.582682] [] kernel_init_freeable+0x264/0x518 [ 412.605840] [] ? balance_callback+0x3a/0x137 [ 412.624104] [] kernel_init+0x16/0x181 [ 412.647808] [] ret_from_fork+0x1f/0x40 [ 412.670463] [] ? rest_init+0x8f/0x8f [ 412.691195] ================================================================================ [ 412.723923] ================================================================================ [ 412.755830] UBSAN: Undefined behaviour in mm/shmem.c:3711:18 [ 412.778149] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 412.812807] which requires 64 byte alignment [ 412.830548] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 412.853589] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 412.892944] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc48 ffffffffb26ec5cc [ 412.922138] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 412.952456] ffffffff00000010 ffff88005c9dfc70 ffff88005c9dfc20 ffffffffb363c3e0 [ 412.978079] Call Trace: [ 412.987650] [] dump_stack+0xd7/0x132 [ 413.005180] [] ? arch_local_irq_restore+0x1b/0x1b [ 413.023781] [] ubsan_epilogue+0x12/0x53 [ 413.038889] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 413.065091] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 413.089823] [] ? percpu_counter_destroy+0xc8/0xc8 [ 413.113046] [] ? memset+0x31/0x38 [ 413.133188] [] shmem_fill_super+0x53b/0x803 [ 413.150723] [] ? shmem_remount_fs+0x448/0x448 [ 413.173544] [] ? get_anon_bdev+0x1e7/0x1e7 [ 413.195637] [] ? sget+0xd3/0xe3 [ 413.213173] [] ? shmem_remount_fs+0x448/0x448 [ 413.232489] [] mount_nodev+0x67/0x11e [ 413.253481] [] shmem_mount+0x33/0x38 [ 413.272917] [] mount_fs+0xd0/0x2ca [ 413.290926] [] vfs_kern_mount+0xa0/0x20a [ 413.312297] [] kern_mount_data+0x4b/0x9a [ 413.334440] [] shmem_init+0x86/0x263 [ 413.354642] [] kernel_init_freeable+0x264/0x518 [ 413.378102] [] ? balance_callback+0x3a/0x137 [ 413.401634] [] kernel_init+0x16/0x181 [ 413.421167] [] ret_from_fork+0x1f/0x40 [ 413.442804] [] ? rest_init+0x8f/0x8f [ 413.462205] ================================================================================ [ 413.495414] ================================================================================ [ 413.529140] UBSAN: Undefined behaviour in mm/shmem.c:3712:23 [ 413.552546] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 413.589181] which requires 64 byte alignment [ 413.605643] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 413.627732] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 413.666961] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc48 ffffffffb26ec5cc [ 413.698746] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 413.727797] ffffffff00000010 ffff88005c9dfc70 ffff88005c9dfc20 ffffffffb363c3e0 [ 413.761483] Call Trace: [ 413.771030] [] dump_stack+0xd7/0x132 [ 413.789319] [] ? arch_local_irq_restore+0x1b/0x1b [ 413.811756] [] ubsan_epilogue+0x12/0x53 [ 413.826332] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 413.846405] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 413.871987] [] ? percpu_counter_destroy+0xc8/0xc8 [ 413.890145] [] ? memset+0x31/0x38 [ 413.903942] [] shmem_fill_super+0x565/0x803 [ 413.920377] [] ? shmem_remount_fs+0x448/0x448 [ 413.940783] [] ? get_anon_bdev+0x1e7/0x1e7 [ 413.959379] [] ? sget+0xd3/0xe3 [ 413.975412] [] ? shmem_remount_fs+0x448/0x448 [ 413.996929] [] mount_nodev+0x67/0x11e [ 414.018857] [] shmem_mount+0x33/0x38 [ 414.035970] [] mount_fs+0xd0/0x2ca [ 414.056298] [] vfs_kern_mount+0xa0/0x20a [ 414.075985] [] kern_mount_data+0x4b/0x9a [ 414.097455] [] shmem_init+0x86/0x263 [ 414.120310] [] kernel_init_freeable+0x264/0x518 [ 414.144548] [] ? balance_callback+0x3a/0x137 [ 414.168439] [] kernel_init+0x16/0x181 [ 414.189224] [] ret_from_fork+0x1f/0x40 [ 414.208925] [] ? rest_init+0x8f/0x8f [ 414.225100] ================================================================================ [ 414.259287] ================================================================================ [ 414.293556] UBSAN: Undefined behaviour in mm/shmem.c:3713:14 [ 414.314856] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 414.349177] which requires 64 byte alignment [ 414.361725] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 414.379185] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 414.421436] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc48 ffffffffb26ec5cc [ 414.455647] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 414.482752] ffffffff00000010 ffff88005c9dfc70 ffff88005c9dfc20 ffffffffb363c3e0 [ 414.521676] Call Trace: [ 414.530681] [] dump_stack+0xd7/0x132 [ 414.556271] [] ? arch_local_irq_restore+0x1b/0x1b [ 414.581103] [] ubsan_epilogue+0x12/0x53 [ 414.607105] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 414.637546] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 414.688377] [] ? percpu_counter_destroy+0xc8/0xc8 [ 414.730780] [] ? memset+0x31/0x38 [ 414.767982] [] shmem_fill_super+0x58b/0x803 [ 414.825201] [] ? shmem_remount_fs+0x448/0x448 [ 414.876273] [] ? get_anon_bdev+0x1e7/0x1e7 [ 414.914968] [] ? sget+0xd3/0xe3 [ 414.946707] [] ? shmem_remount_fs+0x448/0x448 [ 415.008295] [] mount_nodev+0x67/0x11e [ 415.027042] [] shmem_mount+0x33/0x38 [ 415.050122] [] mount_fs+0xd0/0x2ca [ 415.071380] [] vfs_kern_mount+0xa0/0x20a [ 415.089231] [] kern_mount_data+0x4b/0x9a [ 415.110937] [] shmem_init+0x86/0x263 [ 415.134731] [] kernel_init_freeable+0x264/0x518 [ 415.160467] [] ? balance_callback+0x3a/0x137 [ 415.185411] [] kernel_init+0x16/0x181 [ 415.220925] [] ret_from_fork+0x1f/0x40 [ 415.253588] [] ? rest_init+0x8f/0x8f [ 415.274099] ================================================================================ [ 415.315217] ================================================================================ [ 415.350540] UBSAN: Undefined behaviour in mm/shmem.c:3714:11 [ 415.378373] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 415.415074] which requires 64 byte alignment [ 415.427608] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 415.455357] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 415.498758] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc48 ffffffffb26ec5cc [ 415.539109] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 415.575215] ffffffff00000010 ffff88005c9dfc70 ffff88005c9dfc20 ffffffffb363c3e0 [ 415.616339] Call Trace: [ 415.627883] [] dump_stack+0xd7/0x132 [ 415.653005] [] ? arch_local_irq_restore+0x1b/0x1b [ 415.678714] [] ubsan_epilogue+0x12/0x53 [ 415.699274] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 415.725689] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 415.754881] [] ? percpu_counter_destroy+0xc8/0xc8 [ 415.778315] [] ? memset+0x31/0x38 [ 415.797596] [] shmem_fill_super+0x5b5/0x803 [ 415.820471] [] ? shmem_remount_fs+0x448/0x448 [ 415.842693] [] ? get_anon_bdev+0x1e7/0x1e7 [ 415.863069] [] ? sget+0xd3/0xe3 [ 415.893206] [] ? shmem_remount_fs+0x448/0x448 [ 415.920862] [] mount_nodev+0x67/0x11e [ 415.945463] [] shmem_mount+0x33/0x38 [ 415.970576] [] mount_fs+0xd0/0x2ca [ 415.993765] [] vfs_kern_mount+0xa0/0x20a [ 416.020889] [] kern_mount_data+0x4b/0x9a [ 416.048497] [] shmem_init+0x86/0x263 [ 416.072195] [] kernel_init_freeable+0x264/0x518 [ 416.102334] [] ? balance_callback+0x3a/0x137 [ 416.128756] [] kernel_init+0x16/0x181 [ 416.155087] [] ret_from_fork+0x1f/0x40 [ 416.178801] [] ? rest_init+0x8f/0x8f [ 416.200458] ================================================================================ [ 416.235213] ================================================================================ [ 416.273733] UBSAN: Undefined behaviour in mm/shmem.c:3715:18 [ 416.297089] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 416.334219] which requires 64 byte alignment [ 416.353101] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 416.374967] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 416.415272] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc48 ffffffffb26ec5cc [ 416.443960] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 416.476244] ffffffff00000010 ffff88005c9dfc70 ffff88005c9dfc20 ffffffffb363c3e0 [ 416.508846] Call Trace: [ 416.518389] [] dump_stack+0xd7/0x132 [ 416.540627] [] ? arch_local_irq_restore+0x1b/0x1b [ 416.565785] [] ubsan_epilogue+0x12/0x53 [ 416.589715] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 416.615271] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 416.641322] [] ? percpu_counter_destroy+0xc8/0xc8 [ 416.668672] [] ? memset+0x31/0x38 [ 416.686566] [] shmem_fill_super+0x5df/0x803 [ 416.713316] [] ? shmem_remount_fs+0x448/0x448 [ 416.740478] [] ? get_anon_bdev+0x1e7/0x1e7 [ 416.767137] [] ? sget+0xd3/0xe3 [ 416.783988] [] ? shmem_remount_fs+0x448/0x448 [ 416.807563] [] mount_nodev+0x67/0x11e [ 416.830542] [] shmem_mount+0x33/0x38 [ 416.853995] [] mount_fs+0xd0/0x2ca [ 416.874006] [] vfs_kern_mount+0xa0/0x20a [ 416.901789] [] kern_mount_data+0x4b/0x9a [ 416.923116] [] shmem_init+0x86/0x263 [ 416.947173] [] kernel_init_freeable+0x264/0x518 [ 416.971456] [] ? balance_callback+0x3a/0x137 [ 416.993723] [] kernel_init+0x16/0x181 [ 417.015332] [] ret_from_fork+0x1f/0x40 [ 417.040170] [] ? rest_init+0x8f/0x8f [ 417.062643] ================================================================================ [ 417.099695] ================================================================================ [ 417.138981] UBSAN: Undefined behaviour in mm/shmem.c:3717:14 [ 417.163167] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 417.199352] which requires 64 byte alignment [ 417.216498] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 417.239971] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 417.276828] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc48 ffffffffb26ec5cc [ 417.309556] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 417.337966] ffffffff00000010 ffff88005c9dfc70 ffff88005c9dfc20 ffffffffb363c3e0 [ 417.368791] Call Trace: [ 417.378913] [] dump_stack+0xd7/0x132 [ 417.400112] [] ? arch_local_irq_restore+0x1b/0x1b [ 417.427150] [] ubsan_epilogue+0x12/0x53 [ 417.452924] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 417.490704] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 417.512439] [] ? percpu_counter_destroy+0xc8/0xc8 [ 417.538572] [] ? memset+0x31/0x38 [ 417.559918] [] shmem_fill_super+0x60e/0x803 [ 417.577335] [] ? shmem_remount_fs+0x448/0x448 [ 417.600220] [] ? get_anon_bdev+0x1e7/0x1e7 [ 417.622812] [] ? sget+0xd3/0xe3 [ 417.644949] [] ? shmem_remount_fs+0x448/0x448 [ 417.669795] [] mount_nodev+0x67/0x11e [ 417.690046] [] shmem_mount+0x33/0x38 [ 417.710086] [] mount_fs+0xd0/0x2ca [ 417.726652] [] vfs_kern_mount+0xa0/0x20a [ 417.751287] [] kern_mount_data+0x4b/0x9a [ 417.772750] [] shmem_init+0x86/0x263 [ 417.790808] [] kernel_init_freeable+0x264/0x518 [ 417.817292] [] ? balance_callback+0x3a/0x137 [ 417.838872] [] kernel_init+0x16/0x181 [ 417.864758] [] ret_from_fork+0x1f/0x40 [ 417.885782] [] ? rest_init+0x8f/0x8f [ 417.908837] ================================================================================ [ 417.941751] ================================================================================ [ 417.978952] UBSAN: Undefined behaviour in mm/shmem.c:3720:14 [ 418.000001] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 418.033815] which requires 64 byte alignment [ 418.046129] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 418.071272] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 418.109062] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc48 ffffffffb26ec5cc [ 418.137336] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 418.169646] ffffffff00000010 ffff88005c9dfc70 ffff88005c9dfc20 ffffffffb363c3e0 [ 418.196773] Call Trace: [ 418.204062] [] dump_stack+0xd7/0x132 [ 418.224884] [] ? arch_local_irq_restore+0x1b/0x1b [ 418.251222] [] ubsan_epilogue+0x12/0x53 [ 418.272933] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 418.298975] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 418.326575] [] ? percpu_counter_destroy+0xc8/0xc8 [ 418.349973] [] ? memset+0x31/0x38 [ 418.372281] [] shmem_fill_super+0x63e/0x803 [ 418.391252] [] ? shmem_remount_fs+0x448/0x448 [ 418.413363] [] ? get_anon_bdev+0x1e7/0x1e7 [ 418.433463] [] ? sget+0xd3/0xe3 [ 418.454539] [] ? shmem_remount_fs+0x448/0x448 [ 418.480606] [] mount_nodev+0x67/0x11e [ 418.499089] [] shmem_mount+0x33/0x38 [ 418.519149] [] mount_fs+0xd0/0x2ca [ 418.540290] [] vfs_kern_mount+0xa0/0x20a [ 418.564028] [] kern_mount_data+0x4b/0x9a [ 418.587826] [] shmem_init+0x86/0x263 [ 418.610201] [] kernel_init_freeable+0x264/0x518 [ 418.635217] [] ? balance_callback+0x3a/0x137 [ 418.661001] [] kernel_init+0x16/0x181 [ 418.681560] [] ret_from_fork+0x1f/0x40 [ 418.701575] [] ? rest_init+0x8f/0x8f [ 418.720250] ================================================================================ [ 418.754494] ================================================================================ [ 418.785459] UBSAN: Undefined behaviour in mm/shmem.c:3720:14 [ 418.804201] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 418.840299] which requires 64 byte alignment [ 418.856759] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 418.878552] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 418.917531] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc48 ffffffffb26ec5cc [ 418.949476] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 418.982764] ffffffff00000010 ffff88005c9dfc70 ffff88005c9dfc20 ffffffffb363c3e0 [ 419.015414] Call Trace: [ 419.026988] [] dump_stack+0xd7/0x132 [ 419.049224] [] ? arch_local_irq_restore+0x1b/0x1b [ 419.081562] [] ubsan_epilogue+0x12/0x53 [ 419.100413] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 419.131974] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 419.160779] [] ? percpu_counter_destroy+0xc8/0xc8 [ 419.184387] [] ? memset+0x31/0x38 [ 419.203763] [] shmem_fill_super+0x66a/0x803 [ 419.224030] [] ? shmem_remount_fs+0x448/0x448 [ 419.246327] [] ? get_anon_bdev+0x1e7/0x1e7 [ 419.269930] [] ? sget+0xd3/0xe3 [ 419.289457] [] ? shmem_remount_fs+0x448/0x448 [ 419.314030] [] mount_nodev+0x67/0x11e [ 419.334994] [] shmem_mount+0x33/0x38 [ 419.355534] [] mount_fs+0xd0/0x2ca [ 419.376704] [] vfs_kern_mount+0xa0/0x20a [ 419.400181] [] kern_mount_data+0x4b/0x9a [ 419.425189] [] shmem_init+0x86/0x263 [ 419.449556] [] kernel_init_freeable+0x264/0x518 [ 419.475159] [] ? balance_callback+0x3a/0x137 [ 419.501492] [] kernel_init+0x16/0x181 [ 419.523651] [] ret_from_fork+0x1f/0x40 [ 419.547450] [] ? rest_init+0x8f/0x8f [ 419.566373] ================================================================================ [ 419.601212] ================================================================================ [ 419.635542] UBSAN: Undefined behaviour in mm/shmem.c:133:11 [ 419.655874] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 419.693129] which requires 64 byte alignment [ 419.711660] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 419.738192] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 419.787306] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb90 ffffffffb26ec5cc [ 419.817335] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 419.842970] 0000000000000010 ffff88005c9dfbb8 ffff88005c9dfb68 ffffffffb363c3e0 [ 419.871076] Call Trace: [ 419.879143] [] dump_stack+0xd7/0x132 [ 419.901737] [] ? arch_local_irq_restore+0x1b/0x1b [ 419.927914] [] ubsan_epilogue+0x12/0x53 [ 419.950983] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 419.981348] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 420.008264] [] ? arch_local_irq_restore+0x6/0xd [ 420.033548] [] shmem_get_inode+0xa9/0x86a [ 420.058307] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 420.090089] [] ? shmem_put_super+0x122/0x122 [ 420.112768] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 420.139390] [] ? percpu_counter_destroy+0xc8/0xc8 [ 420.167878] [] shmem_fill_super+0x6ae/0x803 [ 420.189773] [] ? shmem_remount_fs+0x448/0x448 [ 420.214392] [] ? get_anon_bdev+0x1e7/0x1e7 [ 420.234185] [] ? sget+0xd3/0xe3 [ 420.253859] [] ? shmem_remount_fs+0x448/0x448 [ 420.276069] [] mount_nodev+0x67/0x11e [ 420.299415] [] shmem_mount+0x33/0x38 [ 420.327043] [] mount_fs+0xd0/0x2ca [ 420.345670] [] vfs_kern_mount+0xa0/0x20a [ 420.369743] [] kern_mount_data+0x4b/0x9a [ 420.393882] [] shmem_init+0x86/0x263 [ 420.412005] [] kernel_init_freeable+0x264/0x518 [ 420.435127] [] ? balance_callback+0x3a/0x137 [ 420.459313] [] kernel_init+0x16/0x181 [ 420.478248] [] ret_from_fork+0x1f/0x40 [ 420.499346] [] ? rest_init+0x8f/0x8f [ 420.521044] ================================================================================ [ 420.559224] ================================================================================ [ 420.589383] UBSAN: Undefined behaviour in mm/shmem.c:133:11 [ 420.610156] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 420.645275] which requires 64 byte alignment [ 420.662773] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 420.683205] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 420.719448] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb60 ffffffffb26ec5cc [ 420.748924] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 420.780409] fffffbff00000010 ffff88005c9dfb88 ffff88005c9dfb38 ffffffffb363c3e0 [ 420.813212] Call Trace: [ 420.822950] [] dump_stack+0xd7/0x132 [ 420.843014] [] ? arch_local_irq_restore+0x1b/0x1b [ 420.871057] [] ubsan_epilogue+0x12/0x53 [ 420.894461] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 420.923501] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 420.957302] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 420.985963] [] shmem_reserve_inode+0x31/0x14a [ 421.006434] [] shmem_get_inode+0xc8/0x86a [ 421.049956] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 421.156264] [] ? shmem_put_super+0x122/0x122 [ 421.177740] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 421.199400] [] ? percpu_counter_destroy+0xc8/0xc8 [ 421.224129] [] shmem_fill_super+0x6ae/0x803 [ 421.249426] [] ? shmem_remount_fs+0x448/0x448 [ 421.273189] [] ? get_anon_bdev+0x1e7/0x1e7 [ 421.296850] [] ? sget+0xd3/0xe3 [ 421.326390] [] ? shmem_remount_fs+0x448/0x448 [ 421.353157] [] mount_nodev+0x67/0x11e [ 421.374510] [] shmem_mount+0x33/0x38 [ 421.392242] [] mount_fs+0xd0/0x2ca [ 421.417204] [] vfs_kern_mount+0xa0/0x20a [ 421.441935] [] kern_mount_data+0x4b/0x9a [ 421.461427] [] shmem_init+0x86/0x263 [ 421.479704] [] kernel_init_freeable+0x264/0x518 [ 421.510140] [] ? balance_callback+0x3a/0x137 [ 421.529915] [] kernel_init+0x16/0x181 [ 421.567862] [] ret_from_fork+0x1f/0x40 [ 421.591424] [] ? rest_init+0x8f/0x8f [ 421.612189] ================================================================================ [ 421.640746] ================================================================================ [ 421.672435] UBSAN: Undefined behaviour in mm/shmem.c:3728:13 [ 421.695121] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 421.732004] which requires 64 byte alignment [ 421.743513] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 421.766415] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 421.800783] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc48 ffffffffb26ec5cc [ 421.836505] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 421.866400] 0020000000000010 ffff88005c9dfc70 ffff88005c9dfc20 ffffffffb363c3e0 [ 421.900549] Call Trace: [ 421.911446] [] dump_stack+0xd7/0x132 [ 421.929534] [] ? arch_local_irq_restore+0x1b/0x1b [ 421.952653] [] ubsan_epilogue+0x12/0x53 [ 421.977409] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 422.008194] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 422.043124] [] shmem_fill_super+0x77c/0x803 [ 422.064574] [] ? shmem_remount_fs+0x448/0x448 [ 422.093342] [] ? get_anon_bdev+0x1e7/0x1e7 [ 422.112779] [] ? sget+0xd3/0xe3 [ 422.131536] [] ? shmem_remount_fs+0x448/0x448 [ 422.155219] [] mount_nodev+0x67/0x11e [ 422.175404] [] shmem_mount+0x33/0x38 [ 422.196067] [] mount_fs+0xd0/0x2ca [ 422.215384] [] vfs_kern_mount+0xa0/0x20a [ 422.234653] [] kern_mount_data+0x4b/0x9a [ 422.253122] [] shmem_init+0x86/0x263 [ 422.272211] [] kernel_init_freeable+0x264/0x518 [ 422.295124] [] ? balance_callback+0x3a/0x137 [ 422.315928] [] kernel_init+0x16/0x181 [ 422.333652] [] ret_from_fork+0x1f/0x40 [ 422.355992] [] ? rest_init+0x8f/0x8f [ 422.375436] ================================================================================ [ 422.411000] ================================================================================ [ 422.447071] UBSAN: Undefined behaviour in mm/shmem.c:3729:9 [ 422.465909] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 422.503685] which requires 64 byte alignment [ 422.519003] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 422.541178] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 422.577216] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc48 ffffffffb26ec5cc [ 422.606374] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 422.634716] ffffffff00000010 ffff88005c9dfc70 ffff88005c9dfc20 ffffffffb363c3e0 [ 422.663680] Call Trace: [ 422.674264] [] dump_stack+0xd7/0x132 [ 422.696134] [] ? arch_local_irq_restore+0x1b/0x1b [ 422.722301] [] ubsan_epilogue+0x12/0x53 [ 422.746321] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 422.799698] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 422.828837] [] shmem_fill_super+0x7a2/0x803 [ 422.850749] [] ? shmem_remount_fs+0x448/0x448 [ 422.892238] [] ? get_anon_bdev+0x1e7/0x1e7 [ 422.913540] [] ? sget+0xd3/0xe3 [ 422.929098] [] ? shmem_remount_fs+0x448/0x448 [ 422.954040] [] mount_nodev+0x67/0x11e [ 422.971576] [] shmem_mount+0x33/0x38 [ 422.990793] [] mount_fs+0xd0/0x2ca [ 423.009301] [] vfs_kern_mount+0xa0/0x20a [ 423.025603] [] kern_mount_data+0x4b/0x9a [ 423.050404] [] shmem_init+0x86/0x263 [ 423.070416] [] kernel_init_freeable+0x264/0x518 [ 423.092358] [] ? balance_callback+0x3a/0x137 [ 423.117000] [] kernel_init+0x16/0x181 [ 423.135047] [] ret_from_fork+0x1f/0x40 [ 423.153180] [] ? rest_init+0x8f/0x8f [ 423.169290] ================================================================================ [ 423.197995] ================================================================================ [ 423.232183] UBSAN: Undefined behaviour in mm/shmem.c:133:11 [ 423.250664] member access within misaligned address ffff88005d035420 for type 'struct super_block' [ 423.280893] which requires 64 byte alignment [ 423.297633] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 423.318634] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 423.353136] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfe00 ffffffffb26ec5cc [ 423.389465] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 423.414909] ffff880000000010 ffff88005c9dfe28 ffff88005c9dfdd8 ffffffffb363c3e0 [ 423.444161] Call Trace: [ 423.453354] [] dump_stack+0xd7/0x132 [ 423.471960] [] ? arch_local_irq_restore+0x1b/0x1b [ 423.492975] [] ubsan_epilogue+0x12/0x53 [ 423.514624] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 423.541345] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 423.565073] [] ? vfs_kern_mount+0x1fa/0x20a [ 423.586140] [] shmem_init+0x101/0x263 [ 423.609050] [] kernel_init_freeable+0x264/0x518 [ 423.633164] [] ? balance_callback+0x3a/0x137 [ 423.653696] [] kernel_init+0x16/0x181 [ 423.669493] [] ret_from_fork+0x1f/0x40 [ 423.685584] [] ? rest_init+0x8f/0x8f [ 423.702088] ================================================================================ [ 423.730219] ================================================================================ [ 423.757169] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 423.782784] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 423.814391] which requires 8 byte alignment [ 423.825288] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 423.843278] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 423.873124] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfe00 ffffffffb26ec5cc [ 423.896582] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 423.920988] ffff880000000010 ffff88005c9dfe28 ffff88005c9dfdd8 ffffffffb363c3e0 [ 423.942223] Call Trace: [ 423.949736] [] dump_stack+0xd7/0x132 [ 423.965231] [] ? arch_local_irq_restore+0x1b/0x1b [ 423.983908] [] ubsan_epilogue+0x12/0x53 [ 424.002265] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 424.028797] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 424.056491] [] ? vfs_kern_mount+0x1fa/0x20a [ 424.073312] [] shmem_init+0x166/0x263 [ 424.091895] [] kernel_init_freeable+0x264/0x518 [ 424.116915] [] ? balance_callback+0x3a/0x137 [ 424.137652] [] kernel_init+0x16/0x181 [ 424.156671] [] ret_from_fork+0x1f/0x40 [ 424.175690] [] ? rest_init+0x8f/0x8f [ 424.195945] ================================================================================ [ 424.238869] ================================================================================ [ 424.269179] UBSAN: Undefined behaviour in lib/strncpy_from_user.c:45:31 [ 424.291003] store to misaligned address ffff88005cb6805c for type 'long unsigned int' [ 424.318929] which requires 8 byte alignment [ 424.334959] CPU: 0 PID: 33 Comm: kdevtmpfs Not tainted 4.8.11 #1 [ 424.355806] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 424.395331] 00000000ffffffff 0000000067857a2c ffff88005cb679b0 ffffffffb26ec5cc [ 424.420831] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 424.447758] ffff880000000010 ffff88005cb679d8 ffff88005cb67988 ffffffffb363c3e0 [ 424.473099] Call Trace: [ 424.479766] [] dump_stack+0xd7/0x132 [ 424.496450] [] ? arch_local_irq_restore+0x1b/0x1b [ 424.517493] [] ubsan_epilogue+0x12/0x53 [ 424.538021] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 424.560160] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 424.588836] [] strncpy_from_user+0x1a5/0x307 [ 424.607281] [] ? digsig_verify+0xb15/0xb15 [ 424.622627] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 424.644855] [] ? getname_flags+0x4f/0x2e0 [ 424.665003] [] ? getname_flags+0x4f/0x2e0 [ 424.682591] [] getname_flags+0x9b/0x2e0 [ 424.700806] [] user_path_at_empty+0x38/0x55 [ 424.719660] [] do_mount+0x14e/0x19df [ 424.738171] [] ? kasan_poison_shadow+0x2f/0x31 [ 424.758590] [] ? copy_mount_string+0x3d/0x3d [ 424.777031] [] ? kasan_poison_shadow+0x2f/0x31 [ 424.801715] [] ? kasan_unpoison_shadow+0x14/0x35 [ 424.822454] [] ? kasan_kmalloc+0x94/0xa3 [ 424.841533] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 424.864446] [] ? 0xffffffffb1c002b8 [ 424.880221] [] ? copy_mount_options+0x54/0x24d [ 424.900208] [] ? copy_mount_options+0x23d/0x24d [ 424.921037] [] ? copy_mount_options+0x19d/0x24d [ 424.941230] [] SyS_mount+0xa3/0xda [ 424.960493] [] devtmpfsd+0xf8/0x39f [ 424.976501] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 425.008421] [] kthread+0x1f7/0x20b [ 425.024403] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 425.045622] [] ? init_completion+0x48/0x48 [ 425.064715] [] ret_from_fork+0x1f/0x40 [ 425.080584] [] ? init_completion+0x48/0x48 [ 425.097138] ================================================================================ [ 425.122552] ================================================================================ [ 425.150782] UBSAN: Undefined behaviour in fs/super.c:1173:8 [ 425.168889] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 425.197460] which requires 64 byte alignment [ 425.211855] CPU: 0 PID: 33 Comm: kdevtmpfs Not tainted 4.8.11 #1 [ 425.233363] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 425.263517] 00000000ffffffff 0000000067857a2c ffff88005cb67a48 ffffffffb26ec5cc [ 425.302019] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 425.326090] 1ffff10000000010 ffff88005cb67a70 ffff88005cb67a20 ffffffffb363c3e0 [ 425.351443] Call Trace: [ 425.359423] [] dump_stack+0xd7/0x132 [ 425.376089] [] ? arch_local_irq_restore+0x1b/0x1b [ 425.397298] [] ubsan_epilogue+0x12/0x53 [ 425.414091] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 425.436234] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 425.459620] [] ? queued_spin_unlock+0x1b/0x1b [ 425.477751] [] ? get_anon_bdev+0x1e7/0x1e7 [ 425.498692] [] ? sget+0xd3/0xe3 [ 425.514071] [] ? shmem_remount_fs+0x448/0x448 [ 425.533894] [] mount_single+0x74/0x176 [ 425.552712] [] dev_mount+0x33/0x38 [ 425.567883] [] mount_fs+0xd0/0x2ca [ 425.583940] [] vfs_kern_mount+0xa0/0x20a [ 425.602939] [] do_mount+0x11fe/0x19df [ 425.619041] [] ? kasan_poison_shadow+0x2f/0x31 [ 425.640595] [] ? copy_mount_string+0x3d/0x3d [ 425.661030] [] ? kasan_unpoison_shadow+0x14/0x35 [ 425.679681] [] ? kasan_kmalloc+0x94/0xa3 [ 425.696872] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 425.719239] [] ? 0xffffffffb1c002b8 [ 425.736621] [] ? copy_mount_options+0x54/0x24d [ 425.758978] [] ? copy_mount_options+0x23d/0x24d [ 425.781134] [] ? copy_mount_options+0x19d/0x24d [ 425.893385] [] SyS_mount+0xa3/0xda [ 425.910938] [] devtmpfsd+0xf8/0x39f [ 425.929442] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 425.952908] [] kthread+0x1f7/0x20b [ 425.968302] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 425.992294] [] ? init_completion+0x48/0x48 [ 426.012401] [] ret_from_fork+0x1f/0x40 [ 426.031175] [] ? init_completion+0x48/0x48 [ 426.050433] ================================================================================ [ 426.076415] ================================================================================ [ 426.106018] UBSAN: Undefined behaviour in fs/super.c:1179:14 [ 426.123147] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 426.155527] which requires 64 byte alignment [ 426.173415] CPU: 0 PID: 33 Comm: kdevtmpfs Not tainted 4.8.11 #1 [ 426.192673] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 426.226137] 00000000ffffffff 0000000067857a2c ffff88005cb67a48 ffffffffb26ec5cc [ 426.250117] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 426.272792] 0000000000000010 ffff88005cb67a70 ffff88005cb67a20 ffffffffb363c3e0 [ 426.297406] Call Trace: [ 426.309000] [] dump_stack+0xd7/0x132 [ 426.322691] [] ? arch_local_irq_restore+0x1b/0x1b [ 426.342928] [] ubsan_epilogue+0x12/0x53 [ 426.360789] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 426.382633] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 426.406848] [] ? queued_spin_unlock+0x1b/0x1b [ 426.424804] [] ? get_anon_bdev+0x1e7/0x1e7 [ 426.442450] [] ? sget+0xd3/0xe3 [ 426.457408] [] ? shmem_remount_fs+0x448/0x448 [ 426.477576] [] mount_single+0xdc/0x176 [ 426.496342] [] dev_mount+0x33/0x38 [ 426.512335] [] mount_fs+0xd0/0x2ca [ 426.525684] [] vfs_kern_mount+0xa0/0x20a [ 426.541822] [] do_mount+0x11fe/0x19df [ 426.563164] [] ? kasan_poison_shadow+0x2f/0x31 [ 426.588410] [] ? copy_mount_string+0x3d/0x3d [ 426.604885] [] ? kasan_unpoison_shadow+0x14/0x35 [ 426.628367] [] ? kasan_kmalloc+0x94/0xa3 [ 426.646768] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 426.675166] [] ? 0xffffffffb1c002b8 [ 426.691106] [] ? copy_mount_options+0x54/0x24d [ 426.712812] [] ? copy_mount_options+0x23d/0x24d [ 426.735054] [] ? copy_mount_options+0x19d/0x24d [ 426.757139] [] SyS_mount+0xa3/0xda [ 426.775660] [] devtmpfsd+0xf8/0x39f [ 426.791952] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 426.814784] [] kthread+0x1f7/0x20b [ 426.832975] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 426.860226] [] ? init_completion+0x48/0x48 [ 426.883196] [] ret_from_fork+0x1f/0x40 [ 426.901701] [] ? init_completion+0x48/0x48 [ 426.921079] ================================================================================ [ 426.954108] ================================================================================ [ 426.982790] UBSAN: Undefined behaviour in fs/super.c:1179:14 [ 427.000969] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 427.031021] which requires 64 byte alignment [ 427.044614] CPU: 0 PID: 33 Comm: kdevtmpfs Not tainted 4.8.11 #1 [ 427.064815] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 427.096348] 00000000ffffffff 0000000067857a2c ffff88005cb67a48 ffffffffb26ec5cc [ 427.122322] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 427.149500] ffffffff00000010 ffff88005cb67a70 ffff88005cb67a20 ffffffffb363c3e0 [ 427.172365] Call Trace: [ 427.181068] [] dump_stack+0xd7/0x132 [ 427.196040] [] ? arch_local_irq_restore+0x1b/0x1b [ 427.217189] [] ubsan_epilogue+0x12/0x53 [ 427.235380] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 427.257493] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 427.282798] [] ? queued_spin_unlock+0x1b/0x1b [ 427.302740] [] ? get_anon_bdev+0x1e7/0x1e7 [ 427.321970] [] ? sget+0xd3/0xe3 [ 427.339189] [] ? shmem_remount_fs+0x448/0x448 [ 427.363222] [] mount_single+0x109/0x176 [ 427.380857] [] dev_mount+0x33/0x38 [ 427.397238] [] mount_fs+0xd0/0x2ca [ 427.423268] [] vfs_kern_mount+0xa0/0x20a [ 427.446360] [] do_mount+0x11fe/0x19df [ 427.463069] [] ? kasan_poison_shadow+0x2f/0x31 [ 427.482828] [] ? copy_mount_string+0x3d/0x3d [ 427.502307] [] ? kasan_unpoison_shadow+0x14/0x35 [ 427.522862] [] ? kasan_kmalloc+0x94/0xa3 [ 427.548337] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 427.573184] [] ? 0xffffffffb1c002b8 [ 427.593067] [] ? copy_mount_options+0x54/0x24d [ 427.615729] [] ? copy_mount_options+0x23d/0x24d [ 427.640064] [] ? copy_mount_options+0x19d/0x24d [ 427.657904] [] SyS_mount+0xa3/0xda [ 427.676231] [] devtmpfsd+0xf8/0x39f [ 427.692834] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 427.715908] [] kthread+0x1f7/0x20b [ 427.735262] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 427.757782] [] ? init_completion+0x48/0x48 [ 427.775045] [] ret_from_fork+0x1f/0x40 [ 427.793061] [] ? init_completion+0x48/0x48 [ 427.811975] ================================================================================ [ 427.842375] ================================================================================ [ 427.872239] UBSAN: Undefined behaviour in fs/super.c:1183:9 [ 427.892751] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 427.919806] which requires 64 byte alignment [ 427.933505] CPU: 0 PID: 33 Comm: kdevtmpfs Not tainted 4.8.11 #1 [ 427.952636] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 427.988932] 00000000ffffffff 0000000067857a2c ffff88005cb67a48 ffffffffb26ec5cc [ 428.015379] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 428.042088] ffffffff00000010 ffff88005cb67a70 ffff88005cb67a20 ffffffffb363c3e0 [ 428.069296] Call Trace: [ 428.077677] [] dump_stack+0xd7/0x132 [ 428.095025] [] ? arch_local_irq_restore+0x1b/0x1b [ 428.116849] [] ubsan_epilogue+0x12/0x53 [ 428.135872] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 428.157409] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 428.182357] [] ? queued_spin_unlock+0x1b/0x1b [ 428.201253] [] ? get_anon_bdev+0x1e7/0x1e7 [ 428.220863] [] ? sget+0xd3/0xe3 [ 428.238798] [] ? shmem_remount_fs+0x448/0x448 [ 428.258272] [] mount_single+0x142/0x176 [ 428.276745] [] dev_mount+0x33/0x38 [ 428.294776] [] mount_fs+0xd0/0x2ca [ 428.315003] [] vfs_kern_mount+0xa0/0x20a [ 428.336851] [] do_mount+0x11fe/0x19df [ 428.354079] [] ? kasan_poison_shadow+0x2f/0x31 [ 428.374585] [] ? copy_mount_string+0x3d/0x3d [ 428.393348] [] ? kasan_unpoison_shadow+0x14/0x35 [ 428.412793] [] ? kasan_kmalloc+0x94/0xa3 [ 428.431123] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 428.452772] [] ? 0xffffffffb1c002b8 [ 428.471537] [] ? copy_mount_options+0x54/0x24d [ 428.492674] [] ? copy_mount_options+0x23d/0x24d [ 428.513197] [] ? copy_mount_options+0x19d/0x24d [ 428.533392] [] SyS_mount+0xa3/0xda [ 428.551038] [] devtmpfsd+0xf8/0x39f [ 428.565691] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 428.588795] [] kthread+0x1f7/0x20b [ 428.605128] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 428.630827] [] ? init_completion+0x48/0x48 [ 428.652626] [] ret_from_fork+0x1f/0x40 [ 428.667180] [] ? init_completion+0x48/0x48 [ 428.688168] ================================================================================ [ 428.723185] ================================================================================ [ 428.749165] UBSAN: Undefined behaviour in fs/namespace.c:2046:21 [ 428.769836] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 428.797642] which requires 64 byte alignment [ 428.813914] CPU: 0 PID: 33 Comm: kdevtmpfs Not tainted 4.8.11 #1 [ 428.837035] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 428.870686] 00000000ffffffff 0000000067857a2c ffff88005cb67ab0 ffffffffb26ec5cc [ 428.895749] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 428.920293] ffffffff00000010 ffff88005cb67ad8 ffff88005cb67a88 ffffffffb363c3e0 [ 428.946158] Call Trace: [ 428.954439] [] dump_stack+0xd7/0x132 [ 428.972723] [] ? arch_local_irq_restore+0x1b/0x1b [ 428.992810] [] ubsan_epilogue+0x12/0x53 [ 429.011812] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 429.035870] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 429.059784] [] ? lookup_mnt+0xb4/0xb4 [ 429.078110] [] graft_tree+0x60/0x114 [ 429.095505] [] do_add_mount+0x290/0x2bb [ 429.114217] [] do_mount+0x19aa/0x19df [ 429.132301] [] ? kasan_poison_shadow+0x2f/0x31 [ 429.152193] [] ? copy_mount_string+0x3d/0x3d [ 429.169664] [] ? kasan_unpoison_shadow+0x14/0x35 [ 429.192090] [] ? kasan_kmalloc+0x94/0xa3 [ 429.208973] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 429.231640] [] ? 0xffffffffb1c002b8 [ 429.246948] [] ? copy_mount_options+0x54/0x24d [ 429.264875] [] ? copy_mount_options+0x23d/0x24d [ 429.287404] [] ? copy_mount_options+0x19d/0x24d [ 429.306805] [] SyS_mount+0xa3/0xda [ 429.322078] [] devtmpfsd+0xf8/0x39f [ 429.338324] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 429.360931] [] kthread+0x1f7/0x20b [ 429.376351] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 429.401568] [] ? init_completion+0x48/0x48 [ 429.420294] [] ret_from_fork+0x1f/0x40 [ 429.438683] [] ? init_completion+0x48/0x48 [ 429.456764] ================================================================================ [ 429.480813] devtmpfs: initialized [ 429.567446] ================================================================================ [ 429.595999] UBSAN: Undefined behaviour in kernel/irq/proc.c:329:38 [ 429.619044] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 429.645392] which requires 64 byte alignment [ 429.660189] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 429.679689] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 429.709826] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd68 ffffffffb26ec5cc [ 429.736214] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 429.759403] ffff880000000010 ffff88005c9dfd90 ffff88005c9dfd40 ffffffffb363c3e0 [ 429.783327] Call Trace: [ 429.792008] [] dump_stack+0xd7/0x132 [ 429.808402] [] ? arch_local_irq_restore+0x1b/0x1b [ 429.826469] [] ubsan_epilogue+0x12/0x53 [ 429.843498] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 429.864604] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 429.888070] [] ? __radix_tree_insert+0x305/0x305 [ 429.908545] [] ? proc_create_data+0x15b/0x16a [ 429.926930] [] register_irq_proc+0x9c/0x304 [ 429.946396] [] ? register_handler_proc+0x396/0x396 [ 429.969814] [] init_irq_proc+0x9c/0xc1 [ 429.987581] [] kernel_init_freeable+0x26e/0x518 [ 430.015264] [] ? balance_callback+0x3a/0x137 [ 430.038609] [] kernel_init+0x16/0x181 [ 430.056237] [] ret_from_fork+0x1f/0x40 [ 430.076418] [] ? rest_init+0x8f/0x8f [ 430.092670] ================================================================================ [ 430.118786] ================================================================================ [ 430.146092] UBSAN: Undefined behaviour in kernel/irq/proc.c:339:10 [ 430.168238] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 430.199237] which requires 64 byte alignment [ 430.215303] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 430.235589] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 430.265507] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd68 ffffffffb26ec5cc [ 430.289336] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 430.315060] ffffffff00000010 ffff88005c9dfd90 ffff88005c9dfd40 ffffffffb363c3e0 [ 430.339732] Call Trace: [ 430.348069] [] dump_stack+0xd7/0x132 [ 430.366615] [] ? arch_local_irq_restore+0x1b/0x1b [ 430.390829] [] ubsan_epilogue+0x12/0x53 [ 430.411240] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 430.431571] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 430.455424] [] ? __radix_tree_insert+0x305/0x305 [ 430.479186] [] register_irq_proc+0xdd/0x304 [ 430.498963] [] ? register_handler_proc+0x396/0x396 [ 430.517669] [] init_irq_proc+0x9c/0xc1 [ 430.534382] [] kernel_init_freeable+0x26e/0x518 [ 430.556481] [] ? balance_callback+0x3a/0x137 [ 430.576264] [] kernel_init+0x16/0x181 [ 430.604493] [] ret_from_fork+0x1f/0x40 [ 430.620273] [] ? rest_init+0x8f/0x8f [ 430.635587] ================================================================================ [ 430.663810] ================================================================================ [ 430.691134] UBSAN: Undefined behaviour in kernel/irq/proc.c:345:12 [ 430.712639] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 430.739612] which requires 64 byte alignment [ 430.756837] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 430.776721] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 430.808706] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd68 ffffffffb26ec5cc [ 430.834064] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 430.856461] ffff880000000010 ffff88005c9dfd90 ffff88005c9dfd40 ffffffffb363c3e0 [ 430.883457] Call Trace: [ 430.893841] [] dump_stack+0xd7/0x132 [ 430.911578] [] ? arch_local_irq_restore+0x1b/0x1b [ 430.932073] [] ubsan_epilogue+0x12/0x53 [ 430.948573] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 430.969985] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 430.993998] [] ? proc_mkdir_data+0x191/0x19e [ 431.021292] [] register_irq_proc+0x140/0x304 [ 431.040529] [] ? register_handler_proc+0x396/0x396 [ 431.061019] [] init_irq_proc+0x9c/0xc1 [ 431.077596] [] kernel_init_freeable+0x26e/0x518 [ 431.097458] [] ? balance_callback+0x3a/0x137 [ 431.121465] [] kernel_init+0x16/0x181 [ 431.139841] [] ret_from_fork+0x1f/0x40 [ 431.159636] [] ? rest_init+0x8f/0x8f [ 431.175115] ================================================================================ [ 431.200625] ================================================================================ [ 431.228859] UBSAN: Undefined behaviour in kernel/irq/proc.c:346:11 [ 431.251545] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 431.280581] which requires 64 byte alignment [ 431.306576] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 431.323932] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 431.357847] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd68 ffffffffb26ec5cc [ 431.382761] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 431.406212] ffffffff00000010 ffff88005c9dfd90 ffff88005c9dfd40 ffffffffb363c3e0 [ 431.429122] Call Trace: [ 431.437968] [] dump_stack+0xd7/0x132 [ 431.454819] [] ? arch_local_irq_restore+0x1b/0x1b [ 431.478191] [] ubsan_epilogue+0x12/0x53 [ 431.510771] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 431.533709] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 431.558233] [] ? proc_mkdir_data+0x191/0x19e [ 431.577295] [] register_irq_proc+0x168/0x304 [ 431.595281] [] ? register_handler_proc+0x396/0x396 [ 431.618749] [] init_irq_proc+0x9c/0xc1 [ 431.636799] [] kernel_init_freeable+0x26e/0x518 [ 431.655800] [] ? balance_callback+0x3a/0x137 [ 431.677662] [] kernel_init+0x16/0x181 [ 431.694054] [] ret_from_fork+0x1f/0x40 [ 431.713683] [] ? rest_init+0x8f/0x8f [ 431.732017] ================================================================================ [ 431.769524] ================================================================================ [ 431.795491] UBSAN: Undefined behaviour in kernel/irq/proc.c:351:2 [ 431.816381] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 431.847267] which requires 64 byte alignment [ 431.861076] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 431.878131] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 431.910160] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd68 ffffffffb26ec5cc [ 431.934848] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 431.960826] ffffffff00000010 ffff88005c9dfd90 ffff88005c9dfd40 ffffffffb363c3e0 [ 431.983159] Call Trace: [ 431.993211] [] dump_stack+0xd7/0x132 [ 432.011810] [] ? arch_local_irq_restore+0x1b/0x1b [ 432.043296] [] ubsan_epilogue+0x12/0x53 [ 432.061063] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 432.083105] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 432.108208] [] ? proc_mkdir_data+0x191/0x19e [ 432.128279] [] register_irq_proc+0x18f/0x304 [ 432.146680] [] ? register_handler_proc+0x396/0x396 [ 432.169533] [] init_irq_proc+0x9c/0xc1 [ 432.186729] [] kernel_init_freeable+0x26e/0x518 [ 432.206984] [] ? balance_callback+0x3a/0x137 [ 432.228053] [] kernel_init+0x16/0x181 [ 432.242613] [] ret_from_fork+0x1f/0x40 [ 432.259371] [] ? rest_init+0x8f/0x8f [ 432.273527] ================================================================================ [ 432.299400] ================================================================================ [ 432.325143] UBSAN: Undefined behaviour in kernel/irq/proc.c:355:2 [ 432.347304] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 432.379345] which requires 64 byte alignment [ 432.395668] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 432.415686] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 432.452169] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd68 ffffffffb26ec5cc [ 432.481176] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 432.510959] ffff880000000010 ffff88005c9dfd90 ffff88005c9dfd40 ffffffffb363c3e0 [ 432.541972] Call Trace: [ 432.553650] [] dump_stack+0xd7/0x132 [ 432.575662] [] ? arch_local_irq_restore+0x1b/0x1b [ 432.601338] [] ubsan_epilogue+0x12/0x53 [ 432.637088] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 432.664291] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 432.692123] [] ? proc_create_data+0x15b/0x16a [ 432.715066] [] register_irq_proc+0x1c6/0x304 [ 432.739144] [] ? register_handler_proc+0x396/0x396 [ 432.762775] [] init_irq_proc+0x9c/0xc1 [ 432.783667] [] kernel_init_freeable+0x26e/0x518 [ 432.807132] [] ? balance_callback+0x3a/0x137 [ 432.831996] [] kernel_init+0x16/0x181 [ 432.853776] [] ret_from_fork+0x1f/0x40 [ 432.874320] [] ? rest_init+0x8f/0x8f [ 432.896621] ================================================================================ [ 432.931392] ================================================================================ [ 432.962994] UBSAN: Undefined behaviour in kernel/irq/proc.c:359:2 [ 432.992426] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 433.029137] which requires 64 byte alignment [ 433.045010] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 433.069659] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 433.111629] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd68 ffffffffb26ec5cc [ 433.141873] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 433.173867] ffff880000000010 ffff88005c9dfd90 ffff88005c9dfd40 ffffffffb363c3e0 [ 433.209695] Call Trace: [ 433.217869] [] dump_stack+0xd7/0x132 [ 433.239647] [] ? arch_local_irq_restore+0x1b/0x1b [ 433.268340] [] ubsan_epilogue+0x12/0x53 [ 433.292657] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 433.321593] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 433.349682] [] ? proc_create_data+0x15b/0x16a [ 433.375254] [] register_irq_proc+0x209/0x304 [ 433.401420] [] ? register_handler_proc+0x396/0x396 [ 433.430783] [] init_irq_proc+0x9c/0xc1 [ 433.456294] [] kernel_init_freeable+0x26e/0x518 [ 433.477678] [] ? balance_callback+0x3a/0x137 [ 433.498998] [] kernel_init+0x16/0x181 [ 433.515803] [] ret_from_fork+0x1f/0x40 [ 433.533463] [] ? rest_init+0x8f/0x8f [ 433.547374] ================================================================================ [ 433.572495] ================================================================================ [ 433.598451] UBSAN: Undefined behaviour in kernel/irq/proc.c:362:2 [ 433.618680] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 433.649263] which requires 64 byte alignment [ 433.666196] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 433.685720] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 433.717583] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd68 ffffffffb26ec5cc [ 433.744267] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 433.783670] ffff880000000010 ffff88005c9dfd90 ffff88005c9dfd40 ffffffffb363c3e0 [ 433.809830] Call Trace: [ 433.819434] [] dump_stack+0xd7/0x132 [ 433.838748] [] ? arch_local_irq_restore+0x1b/0x1b [ 433.862833] [] ubsan_epilogue+0x12/0x53 [ 433.882345] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 433.906809] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 433.932239] [] ? proc_create_data+0x15b/0x16a [ 433.954055] [] register_irq_proc+0x24c/0x304 [ 433.982196] [] ? register_handler_proc+0x396/0x396 [ 434.028515] [] init_irq_proc+0x9c/0xc1 [ 434.049855] [] kernel_init_freeable+0x26e/0x518 [ 434.084943] [] ? balance_callback+0x3a/0x137 [ 434.110509] [] kernel_init+0x16/0x181 [ 434.138341] [] ret_from_fork+0x1f/0x40 [ 434.161789] [] ? rest_init+0x8f/0x8f [ 434.182463] ================================================================================ [ 434.217090] ================================================================================ [ 434.249254] UBSAN: Undefined behaviour in kernel/irq/proc.c:366:2 [ 434.273902] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 434.303376] which requires 64 byte alignment [ 434.319296] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 434.340473] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 434.378344] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd68 ffffffffb26ec5cc [ 434.411013] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 434.439273] ffff880000000010 ffff88005c9dfd90 ffff88005c9dfd40 ffffffffb363c3e0 [ 434.467524] Call Trace: [ 434.474454] [] dump_stack+0xd7/0x132 [ 434.493072] [] ? arch_local_irq_restore+0x1b/0x1b [ 434.516472] [] ubsan_epilogue+0x12/0x53 [ 434.536277] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 434.559310] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 434.585870] [] ? proc_create_data+0x15b/0x16a [ 434.604307] [] register_irq_proc+0x28f/0x304 [ 434.633551] [] ? register_handler_proc+0x396/0x396 [ 434.653564] [] init_irq_proc+0x9c/0xc1 [ 434.675098] [] kernel_init_freeable+0x26e/0x518 [ 434.694356] [] ? balance_callback+0x3a/0x137 [ 434.717407] [] kernel_init+0x16/0x181 [ 434.735876] [] ret_from_fork+0x1f/0x40 [ 434.755054] [] ? rest_init+0x8f/0x8f [ 434.771769] ================================================================================ [ 434.862702] evm: security.selinux [ 434.873509] evm: security.SMACK64 [ 434.884353] evm: security.SMACK64EXEC [ 434.894500] evm: security.SMACK64TRANSMUTE [ 434.913930] evm: security.SMACK64MMAP [ 434.925662] evm: security.ima [ 434.937900] evm: security.capability [ 434.961186] ================================================================================ [ 434.994925] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 435.021447] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 435.059932] which requires 8 byte alignment [ 435.077021] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 435.102595] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 435.138378] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd38 ffffffffb26ec5cc [ 435.167805] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 435.196552] ffff880000000010 ffff88005c9dfd60 ffff88005c9dfd10 ffffffffb363c3e0 [ 435.222901] Call Trace: [ 435.231490] [] dump_stack+0xd7/0x132 [ 435.251246] [] ? arch_local_irq_restore+0x1b/0x1b [ 435.275219] [] ubsan_epilogue+0x12/0x53 [ 435.308582] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 435.347601] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 435.393841] [] ? parse_args+0x7f3/0x8d3 [ 435.421416] [] ? tsc_setup+0x25/0x25 [ 435.444600] [] cpufreq_register_tsc_scaling+0x27/0x97 [ 435.478752] [] do_one_initcall+0x16d/0x258 [ 435.497053] [] ? initcall_blacklisted+0x198/0x198 [ 435.517576] [] ? up_write+0x8c/0xd9 [ 435.536397] [] ? down_write_trylock+0x100/0x100 [ 435.560669] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 435.586619] [] kernel_init_freeable+0x457/0x518 [ 435.611401] [] kernel_init+0x16/0x181 [ 435.634090] [] ret_from_fork+0x1f/0x40 [ 435.652183] [] ? rest_init+0x8f/0x8f [ 435.671190] ================================================================================ [ 435.702075] ================================================================================ [ 435.734284] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 435.760561] load of misaligned address ffffffffb77ce73c for type 'volatile const long unsigned int' [ 435.794158] which requires 8 byte alignment [ 435.812551] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 435.833500] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 435.865375] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd38 ffffffffb26ec5cc [ 435.896048] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 435.924742] ffffffff00000010 ffff88005c9dfd60 ffff88005c9dfd10 ffffffffb363c3e0 [ 435.953939] Call Trace: [ 435.961256] [] dump_stack+0xd7/0x132 [ 435.982333] [] ? arch_local_irq_restore+0x1b/0x1b [ 436.006598] [] ubsan_epilogue+0x12/0x53 [ 436.023107] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 436.049317] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 436.075016] [] ? parse_args+0x7f3/0x8d3 [ 436.094451] [] ? tsc_setup+0x25/0x25 [ 436.113131] [] cpufreq_register_tsc_scaling+0x66/0x97 [ 436.138358] [] do_one_initcall+0x16d/0x258 [ 436.159048] [] ? initcall_blacklisted+0x198/0x198 [ 436.181976] [] ? up_write+0x8c/0xd9 [ 436.203700] [] ? down_write_trylock+0x100/0x100 [ 436.229161] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 436.255570] [] kernel_init_freeable+0x457/0x518 [ 436.280930] [] kernel_init+0x16/0x181 [ 436.300726] [] ret_from_fork+0x1f/0x40 [ 436.321172] [] ? rest_init+0x8f/0x8f [ 436.337723] ================================================================================ [ 436.368937] ================================================================================ [ 436.401141] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 436.429746] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 436.479786] which requires 8 byte alignment [ 436.494668] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 436.516276] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 436.551993] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd38 ffffffffb26ec5cc [ 436.578440] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 436.603694] 0000000000000010 ffff88005c9dfd60 ffff88005c9dfd10 ffffffffb363c3e0 [ 436.634287] Call Trace: [ 436.641520] [] dump_stack+0xd7/0x132 [ 436.662228] [] ? arch_local_irq_restore+0x1b/0x1b [ 436.687556] [] ubsan_epilogue+0x12/0x53 [ 436.709191] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 436.733988] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 436.760790] [] ? setup_apicpmtimer+0xf/0xf [ 436.779414] [] init_lapic_sysfs+0x27/0x55 [ 436.801241] [] do_one_initcall+0x16d/0x258 [ 436.827628] [] ? initcall_blacklisted+0x198/0x198 [ 436.856924] [] ? up_write+0x8c/0xd9 [ 436.883017] [] ? down_write_trylock+0x100/0x100 [ 436.912431] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 436.931804] [] kernel_init_freeable+0x457/0x518 [ 436.952599] [] kernel_init+0x16/0x181 [ 436.968264] [] ret_from_fork+0x1f/0x40 [ 436.986743] [] ? rest_init+0x8f/0x8f [ 437.001826] ================================================================================ [ 437.051160] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 437.093110] pinctrl core: initialized pinctrl subsystem [ 437.111099] ================================================================================ [ 437.136156] UBSAN: Undefined behaviour in fs/debugfs/inode.c:209:16 [ 437.163773] member access within misaligned address ffff88005d030960 for type 'struct super_block' [ 437.187652] which requires 64 byte alignment [ 437.199009] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 437.216487] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 437.248160] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb80 ffffffffb26ec5cc [ 437.279504] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 437.302648] ffff880000000010 ffff88005c9dfba8 ffff88005c9dfb58 ffffffffb363c3e0 [ 437.329931] Call Trace: [ 437.336777] [] dump_stack+0xd7/0x132 [ 437.353111] [] ? arch_local_irq_restore+0x1b/0x1b [ 437.373763] [] ubsan_epilogue+0x12/0x53 [ 437.390282] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 437.412698] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 437.444766] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 437.509847] [] ? debug_fill_super+0x48/0x177 [ 437.533612] [] ? start_creating+0x1d2/0x1d2 [ 437.714536] [] debug_fill_super+0x64/0x177 [ 437.753106] [] mount_single+0xa2/0x176 [ 437.840920] [] debug_mount+0x33/0x38 [ 437.926286] [] mount_fs+0xd0/0x2ca [ 437.955591] [] vfs_kern_mount+0xa0/0x20a [ 437.980521] [] simple_pin_fs+0x9d/0x1b5 [ 438.008099] [] start_creating+0x56/0x1d2 [ 438.031719] [] debugfs_create_dir+0x2e/0x23e [ 438.052026] [] ? phy_core_init+0x88/0x88 [ 438.069423] [] pinctrl_init+0x24/0xc7 [ 438.093278] [] ? phy_core_init+0x88/0x88 [ 438.119560] [] do_one_initcall+0x16d/0x258 [ 438.144574] [] ? initcall_blacklisted+0x198/0x198 [ 438.170707] [] ? up_write+0x8c/0xd9 [ 438.195354] [] ? down_write_trylock+0x100/0x100 [ 438.219142] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 438.247356] [] kernel_init_freeable+0x457/0x518 [ 438.272393] [] kernel_init+0x16/0x181 [ 438.294387] [] ret_from_fork+0x1f/0x40 [ 438.322523] [] ? rest_init+0x8f/0x8f [ 438.362310] ================================================================================ [ 438.412093] ================================================================================ [ 438.444779] UBSAN: Undefined behaviour in fs/libfs.c:508:17 [ 438.461752] member access within misaligned address ffff88005d030960 for type 'struct super_block' [ 438.492717] which requires 64 byte alignment [ 438.505846] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 438.524076] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 438.556156] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb28 ffffffffb26ec5cc [ 438.583886] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 438.627895] 0000000000000010 ffff88005c9dfb50 ffff88005c9dfb00 ffffffffb363c3e0 [ 438.655927] Call Trace: [ 438.666931] [] dump_stack+0xd7/0x132 [ 438.703506] [] ? arch_local_irq_restore+0x1b/0x1b [ 438.735516] [] ubsan_epilogue+0x12/0x53 [ 438.760208] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 438.783858] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 438.812089] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 438.841501] [] ? start_creating+0x1d2/0x1d2 [ 438.864869] [] simple_fill_super+0x3f/0x63b [ 438.886634] [] ? start_creating+0x1d2/0x1d2 [ 438.905503] [] debug_fill_super+0xb7/0x177 [ 438.924521] [] mount_single+0xa2/0x176 [ 438.946661] [] debug_mount+0x33/0x38 [ 438.965912] [] mount_fs+0xd0/0x2ca [ 438.986318] [] vfs_kern_mount+0xa0/0x20a [ 439.005824] [] simple_pin_fs+0x9d/0x1b5 [ 439.043882] [] start_creating+0x56/0x1d2 [ 439.063384] [] debugfs_create_dir+0x2e/0x23e [ 439.116968] [] ? phy_core_init+0x88/0x88 [ 439.146472] [] pinctrl_init+0x24/0xc7 [ 439.171729] [] ? phy_core_init+0x88/0x88 [ 439.195131] [] do_one_initcall+0x16d/0x258 [ 439.229284] [] ? initcall_blacklisted+0x198/0x198 [ 439.251089] [] ? up_write+0x8c/0xd9 [ 439.272609] [] ? down_write_trylock+0x100/0x100 [ 439.299811] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 439.326938] [] kernel_init_freeable+0x457/0x518 [ 439.351032] [] kernel_init+0x16/0x181 [ 439.368985] [] ret_from_fork+0x1f/0x40 [ 439.397915] [] ? rest_init+0x8f/0x8f [ 439.423795] ================================================================================ [ 439.463605] ================================================================================ [ 439.495544] UBSAN: Undefined behaviour in fs/libfs.c:509:22 [ 439.518364] member access within misaligned address ffff88005d030960 for type 'struct super_block' [ 439.556349] which requires 64 byte alignment [ 439.575658] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 439.597128] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 439.642587] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb28 ffffffffb26ec5cc [ 439.681225] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 439.714698] ffffffff00000010 ffff88005c9dfb50 ffff88005c9dfb00 ffffffffb363c3e0 [ 439.752249] Call Trace: [ 439.772265] [] dump_stack+0xd7/0x132 [ 439.806071] [] ? arch_local_irq_restore+0x1b/0x1b [ 439.832060] [] ubsan_epilogue+0x12/0x53 [ 439.855806] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 439.896947] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 439.932181] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 439.956559] [] ? start_creating+0x1d2/0x1d2 [ 439.983792] [] simple_fill_super+0x69/0x63b [ 440.005648] [] ? start_creating+0x1d2/0x1d2 [ 440.024837] [] debug_fill_super+0xb7/0x177 [ 440.050538] [] mount_single+0xa2/0x176 [ 440.076113] [] debug_mount+0x33/0x38 [ 440.097371] [] mount_fs+0xd0/0x2ca [ 440.114127] [] vfs_kern_mount+0xa0/0x20a [ 440.133179] [] simple_pin_fs+0x9d/0x1b5 [ 440.156611] [] start_creating+0x56/0x1d2 [ 440.188298] [] debugfs_create_dir+0x2e/0x23e [ 440.210505] [] ? phy_core_init+0x88/0x88 [ 440.230781] [] pinctrl_init+0x24/0xc7 [ 440.250421] [] ? phy_core_init+0x88/0x88 [ 440.270064] [] do_one_initcall+0x16d/0x258 [ 440.308764] [] ? initcall_blacklisted+0x198/0x198 [ 440.334886] [] ? up_write+0x8c/0xd9 [ 440.354744] [] ? down_write_trylock+0x100/0x100 [ 440.382934] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 440.403386] [] kernel_init_freeable+0x457/0x518 [ 440.431082] [] kernel_init+0x16/0x181 [ 440.447061] [] ret_from_fork+0x1f/0x40 [ 440.476857] [] ? rest_init+0x8f/0x8f [ 440.510002] ================================================================================ [ 440.540789] ================================================================================ [ 440.596609] UBSAN: Undefined behaviour in fs/libfs.c:510:13 [ 440.620979] member access within misaligned address ffff88005d030960 for type 'struct super_block' [ 440.657339] which requires 64 byte alignment [ 440.673047] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 440.691722] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 440.724127] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb28 ffffffffb26ec5cc [ 440.748458] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 440.771850] ffffffff00000010 ffff88005c9dfb50 ffff88005c9dfb00 ffffffffb363c3e0 [ 440.795772] Call Trace: [ 440.806562] [] dump_stack+0xd7/0x132 [ 440.826074] [] ? arch_local_irq_restore+0x1b/0x1b [ 440.845715] [] ubsan_epilogue+0x12/0x53 [ 440.864056] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 440.889185] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 440.911568] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 440.949891] [] ? start_creating+0x1d2/0x1d2 [ 440.972176] [] simple_fill_super+0x8f/0x63b [ 440.995460] [] ? start_creating+0x1d2/0x1d2 [ 441.023240] [] debug_fill_super+0xb7/0x177 [ 441.044055] [] mount_single+0xa2/0x176 [ 441.069259] [] debug_mount+0x33/0x38 [ 441.087470] [] mount_fs+0xd0/0x2ca [ 441.103929] [] vfs_kern_mount+0xa0/0x20a [ 441.131181] [] simple_pin_fs+0x9d/0x1b5 [ 441.160135] [] start_creating+0x56/0x1d2 [ 441.186636] [] debugfs_create_dir+0x2e/0x23e [ 441.228772] [] ? phy_core_init+0x88/0x88 [ 441.253467] [] pinctrl_init+0x24/0xc7 [ 441.283225] [] ? phy_core_init+0x88/0x88 [ 441.308374] [] do_one_initcall+0x16d/0x258 [ 441.328441] [] ? initcall_blacklisted+0x198/0x198 [ 441.353245] [] ? up_write+0x8c/0xd9 [ 441.374172] [] ? down_write_trylock+0x100/0x100 [ 441.396363] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 441.421881] [] kernel_init_freeable+0x457/0x518 [ 441.449212] [] kernel_init+0x16/0x181 [ 441.474808] [] ret_from_fork+0x1f/0x40 [ 441.505894] [] ? rest_init+0x8f/0x8f [ 441.536726] ================================================================================ [ 441.592233] ================================================================================ [ 441.638710] UBSAN: Undefined behaviour in fs/libfs.c:511:10 [ 441.666626] member access within misaligned address ffff88005d030960 for type 'struct super_block' [ 441.699917] which requires 64 byte alignment [ 441.714736] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 441.743479] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 441.777985] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb28 ffffffffb26ec5cc [ 441.822635] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 441.846183] ffffffff00000010 ffff88005c9dfb50 ffff88005c9dfb00 ffffffffb363c3e0 [ 441.874023] Call Trace: [ 441.888392] [] dump_stack+0xd7/0x132 [ 441.910422] [] ? arch_local_irq_restore+0x1b/0x1b [ 441.943810] [] ubsan_epilogue+0x12/0x53 [ 441.969639] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 441.993685] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 442.018787] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 442.048866] [] ? start_creating+0x1d2/0x1d2 [ 442.076413] [] simple_fill_super+0xb5/0x63b [ 442.140630] [] ? start_creating+0x1d2/0x1d2 [ 442.219725] [] debug_fill_super+0xb7/0x177 [ 442.251279] [] mount_single+0xa2/0x176 [ 442.278527] [] debug_mount+0x33/0x38 [ 442.305814] [] mount_fs+0xd0/0x2ca [ 442.337162] [] vfs_kern_mount+0xa0/0x20a [ 442.374190] [] simple_pin_fs+0x9d/0x1b5 [ 442.408559] [] start_creating+0x56/0x1d2 [ 442.450496] [] debugfs_create_dir+0x2e/0x23e [ 442.475439] [] ? phy_core_init+0x88/0x88 [ 442.506288] [] pinctrl_init+0x24/0xc7 [ 442.526120] [] ? phy_core_init+0x88/0x88 [ 442.561368] [] do_one_initcall+0x16d/0x258 [ 442.590505] [] ? initcall_blacklisted+0x198/0x198 [ 442.640605] [] ? up_write+0x8c/0xd9 [ 442.681810] [] ? down_write_trylock+0x100/0x100 [ 442.724776] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 442.769752] [] kernel_init_freeable+0x457/0x518 [ 442.815593] [] kernel_init+0x16/0x181 [ 442.844868] [] ret_from_fork+0x1f/0x40 [ 442.877746] [] ? rest_init+0x8f/0x8f [ 442.911388] ================================================================================ [ 442.954891] ================================================================================ [ 442.996915] UBSAN: Undefined behaviour in fs/libfs.c:512:17 [ 443.020276] member access within misaligned address ffff88005d030960 for type 'struct super_block' [ 443.061892] which requires 64 byte alignment [ 443.086828] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 443.124572] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 443.180400] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb28 ffffffffb26ec5cc [ 443.236646] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 443.291941] ffffffff00000010 ffff88005c9dfb50 ffff88005c9dfb00 ffffffffb363c3e0 [ 443.352280] Call Trace: [ 443.365146] [] dump_stack+0xd7/0x132 [ 443.392647] [] ? arch_local_irq_restore+0x1b/0x1b [ 443.427748] [] ubsan_epilogue+0x12/0x53 [ 443.453530] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 443.480454] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 443.522720] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 443.557019] [] ? start_creating+0x1d2/0x1d2 [ 443.580673] [] simple_fill_super+0xdf/0x63b [ 443.613743] [] ? start_creating+0x1d2/0x1d2 [ 443.652621] [] debug_fill_super+0xb7/0x177 [ 443.677483] [] mount_single+0xa2/0x176 [ 443.703927] [] debug_mount+0x33/0x38 [ 443.726516] [] mount_fs+0xd0/0x2ca [ 443.755280] [] vfs_kern_mount+0xa0/0x20a [ 443.783213] [] simple_pin_fs+0x9d/0x1b5 [ 443.818107] [] start_creating+0x56/0x1d2 [ 443.841257] [] debugfs_create_dir+0x2e/0x23e [ 443.877856] [] ? phy_core_init+0x88/0x88 [ 443.935678] [] pinctrl_init+0x24/0xc7 [ 443.965900] [] ? phy_core_init+0x88/0x88 [ 443.993544] [] do_one_initcall+0x16d/0x258 [ 444.029038] [] ? initcall_blacklisted+0x198/0x198 [ 444.064131] [] ? up_write+0x8c/0xd9 [ 444.094120] [] ? down_write_trylock+0x100/0x100 [ 444.209871] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 444.242989] [] kernel_init_freeable+0x457/0x518 [ 444.272069] [] kernel_init+0x16/0x181 [ 444.294814] [] ret_from_fork+0x1f/0x40 [ 444.320560] [] ? rest_init+0x8f/0x8f [ 444.352657] ================================================================================ [ 444.402157] ================================================================================ [ 444.456457] UBSAN: Undefined behaviour in fs/libfs.c:554:12 [ 444.493765] member access within misaligned address ffff88005d030960 for type 'struct super_block' [ 444.555728] which requires 64 byte alignment [ 444.576550] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 444.602544] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 444.698126] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb28 ffffffffb26ec5cc [ 444.783178] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 444.824573] 0020000000000010 ffff88005c9dfb50 ffff88005c9dfb00 ffffffffb363c3e0 [ 444.859315] Call Trace: [ 444.872446] [] dump_stack+0xd7/0x132 [ 444.897472] [] ? arch_local_irq_restore+0x1b/0x1b [ 444.933754] [] ubsan_epilogue+0x12/0x53 [ 444.958232] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 444.989720] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 445.029447] [] ? start_creating+0x1d2/0x1d2 [ 445.060337] [] simple_fill_super+0x5f0/0x63b [ 445.085970] [] ? start_creating+0x1d2/0x1d2 [ 445.116700] [] debug_fill_super+0xb7/0x177 [ 445.147628] [] mount_single+0xa2/0x176 [ 445.174481] [] debug_mount+0x33/0x38 [ 445.195652] [] mount_fs+0xd0/0x2ca [ 445.216159] [] vfs_kern_mount+0xa0/0x20a [ 445.240736] [] simple_pin_fs+0x9d/0x1b5 [ 445.265904] [] start_creating+0x56/0x1d2 [ 445.294781] [] debugfs_create_dir+0x2e/0x23e [ 445.326097] [] ? phy_core_init+0x88/0x88 [ 445.347452] [] pinctrl_init+0x24/0xc7 [ 445.369084] [] ? phy_core_init+0x88/0x88 [ 445.393839] [] do_one_initcall+0x16d/0x258 [ 445.425206] [] ? initcall_blacklisted+0x198/0x198 [ 445.453137] [] ? up_write+0x8c/0xd9 [ 445.474561] [] ? down_write_trylock+0x100/0x100 [ 445.504628] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 445.533744] [] kernel_init_freeable+0x457/0x518 [ 445.560411] [] kernel_init+0x16/0x181 [ 445.587690] [] ret_from_fork+0x1f/0x40 [ 445.619092] [] ? rest_init+0x8f/0x8f [ 445.643271] ================================================================================ [ 445.684233] ================================================================================ [ 445.747819] UBSAN: Undefined behaviour in fs/debugfs/inode.c:223:11 [ 445.789848] member access within misaligned address ffff88005d030960 for type 'struct super_block' [ 445.856050] which requires 64 byte alignment [ 445.888629] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 445.931551] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 446.059004] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb80 ffffffffb26ec5cc [ 446.154319] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 446.201287] 0000000000000010 ffff88005c9dfba8 ffff88005c9dfb58 ffffffffb363c3e0 [ 446.247123] Call Trace: [ 446.254943] [] dump_stack+0xd7/0x132 [ 446.278536] [] ? arch_local_irq_restore+0x1b/0x1b [ 446.300580] [] ubsan_epilogue+0x12/0x53 [ 446.321371] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 446.357134] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 446.393131] [] ? simple_fill_super+0x628/0x63b [ 446.421121] [] ? start_creating+0x1d2/0x1d2 [ 446.446909] [] debug_fill_super+0xdc/0x177 [ 446.468031] [] mount_single+0xa2/0x176 [ 446.488593] [] debug_mount+0x33/0x38 [ 446.509255] [] mount_fs+0xd0/0x2ca [ 446.526585] [] vfs_kern_mount+0xa0/0x20a [ 446.554071] [] simple_pin_fs+0x9d/0x1b5 [ 446.585954] [] start_creating+0x56/0x1d2 [ 446.609684] [] debugfs_create_dir+0x2e/0x23e [ 446.634943] [] ? phy_core_init+0x88/0x88 [ 446.657740] [] pinctrl_init+0x24/0xc7 [ 446.676555] [] ? phy_core_init+0x88/0x88 [ 446.699863] [] do_one_initcall+0x16d/0x258 [ 446.720761] [] ? initcall_blacklisted+0x198/0x198 [ 446.750521] [] ? up_write+0x8c/0xd9 [ 446.769783] [] ? down_write_trylock+0x100/0x100 [ 446.794724] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 446.822835] [] kernel_init_freeable+0x457/0x518 [ 446.845818] [] kernel_init+0x16/0x181 [ 446.865084] [] ret_from_fork+0x1f/0x40 [ 446.885805] [] ? rest_init+0x8f/0x8f [ 446.912187] ================================================================================ [ 446.948152] ================================================================================ [ 446.983571] UBSAN: Undefined behaviour in fs/debugfs/inode.c:224:13 [ 447.007063] member access within misaligned address ffff88005d030960 for type 'struct super_block' [ 447.043592] which requires 64 byte alignment [ 447.063139] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 447.087932] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 447.130826] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb80 ffffffffb26ec5cc [ 447.162618] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 447.192298] ffff880000000010 ffff88005c9dfba8 ffff88005c9dfb58 ffffffffb363c3e0 [ 447.224719] Call Trace: [ 447.235265] [] dump_stack+0xd7/0x132 [ 447.255509] [] ? arch_local_irq_restore+0x1b/0x1b [ 447.282296] [] ubsan_epilogue+0x12/0x53 [ 447.303535] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 447.333401] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 447.363217] [] ? simple_fill_super+0x628/0x63b [ 447.395345] [] ? start_creating+0x1d2/0x1d2 [ 447.423476] [] debug_fill_super+0x106/0x177 [ 447.449425] [] mount_single+0xa2/0x176 [ 447.467355] [] debug_mount+0x33/0x38 [ 447.487501] [] mount_fs+0xd0/0x2ca [ 447.510643] [] vfs_kern_mount+0xa0/0x20a [ 447.536192] [] simple_pin_fs+0x9d/0x1b5 [ 447.563431] [] start_creating+0x56/0x1d2 [ 447.587051] [] debugfs_create_dir+0x2e/0x23e [ 447.609986] [] ? phy_core_init+0x88/0x88 [ 447.638960] [] pinctrl_init+0x24/0xc7 [ 447.656900] [] ? phy_core_init+0x88/0x88 [ 447.678741] [] do_one_initcall+0x16d/0x258 [ 447.701389] [] ? initcall_blacklisted+0x198/0x198 [ 447.725215] [] ? up_write+0x8c/0xd9 [ 447.753114] [] ? down_write_trylock+0x100/0x100 [ 447.780942] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 447.810251] [] kernel_init_freeable+0x457/0x518 [ 447.833071] [] kernel_init+0x16/0x181 [ 447.856300] [] ret_from_fork+0x1f/0x40 [ 447.877846] [] ? rest_init+0x8f/0x8f [ 447.902132] ================================================================================ [ 447.934749] ================================================================================ [ 447.975871] UBSAN: Undefined behaviour in fs/debugfs/inode.c:127:26 [ 448.001618] member access within misaligned address ffff88005d030960 for type 'struct super_block' [ 448.038346] which requires 64 byte alignment [ 448.056783] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 448.083400] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 448.122523] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb58 ffffffffb26ec5cc [ 448.161231] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 448.244398] ffff880000000010 ffff88005c9dfb80 ffff88005c9dfb30 ffffffffb363c3e0 [ 448.360930] Call Trace: [ 448.389030] [] dump_stack+0xd7/0x132 [ 448.428675] [] ? arch_local_irq_restore+0x1b/0x1b [ 448.491264] [] ubsan_epilogue+0x12/0x53 [ 448.540248] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 448.594394] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 448.659518] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 448.713574] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 448.778165] [] ? start_creating+0x1d2/0x1d2 [ 448.827891] [] debugfs_apply_options+0x2f/0x1bd [ 448.880647] [] debug_fill_super+0x125/0x177 [ 448.923386] [] mount_single+0xa2/0x176 [ 448.949314] [] debug_mount+0x33/0x38 [ 448.973862] [] mount_fs+0xd0/0x2ca [ 449.000591] [] vfs_kern_mount+0xa0/0x20a [ 449.021672] [] simple_pin_fs+0x9d/0x1b5 [ 449.045287] [] start_creating+0x56/0x1d2 [ 449.070207] [] debugfs_create_dir+0x2e/0x23e [ 449.102719] [] ? phy_core_init+0x88/0x88 [ 449.126282] [] pinctrl_init+0x24/0xc7 [ 449.146825] [] ? phy_core_init+0x88/0x88 [ 449.169701] [] do_one_initcall+0x16d/0x258 [ 449.194950] [] ? initcall_blacklisted+0x198/0x198 [ 449.223301] [] ? up_write+0x8c/0xd9 [ 449.248828] [] ? down_write_trylock+0x100/0x100 [ 449.276828] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 449.305811] [] kernel_init_freeable+0x457/0x518 [ 449.335318] [] kernel_init+0x16/0x181 [ 449.359556] [] ret_from_fork+0x1f/0x40 [ 449.381249] [] ? rest_init+0x8f/0x8f [ 449.409308] ================================================================================ [ 449.441422] ================================================================================ [ 449.475636] UBSAN: Undefined behaviour in fs/debugfs/inode.c:128:34 [ 449.502192] member access within misaligned address ffff88005d030960 for type 'struct super_block' [ 449.541124] which requires 64 byte alignment [ 449.560864] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 449.593095] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 449.651207] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb58 ffffffffb26ec5cc [ 449.685802] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 449.713033] ffffffff00000010 ffff88005c9dfb80 ffff88005c9dfb30 ffffffffb363c3e0 [ 449.745647] Call Trace: [ 449.761440] [] dump_stack+0xd7/0x132 [ 449.787309] [] ? arch_local_irq_restore+0x1b/0x1b [ 449.810268] [] ubsan_epilogue+0x12/0x53 [ 449.839822] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 449.868319] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 449.896716] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 449.923538] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 449.958122] [] ? start_creating+0x1d2/0x1d2 [ 449.980046] [] debugfs_apply_options+0x5b/0x1bd [ 450.005326] [] debug_fill_super+0x125/0x177 [ 450.033100] [] mount_single+0xa2/0x176 [ 450.060448] [] debug_mount+0x33/0x38 [ 450.086972] [] mount_fs+0xd0/0x2ca [ 450.105151] [] vfs_kern_mount+0xa0/0x20a [ 450.126617] [] simple_pin_fs+0x9d/0x1b5 [ 450.147171] [] start_creating+0x56/0x1d2 [ 450.165349] [] debugfs_create_dir+0x2e/0x23e [ 450.205133] [] ? phy_core_init+0x88/0x88 [ 450.229220] [] pinctrl_init+0x24/0xc7 [ 450.249195] [] ? phy_core_init+0x88/0x88 [ 450.273694] [] do_one_initcall+0x16d/0x258 [ 450.301073] [] ? initcall_blacklisted+0x198/0x198 [ 450.333769] [] ? up_write+0x8c/0xd9 [ 450.360006] [] ? down_write_trylock+0x100/0x100 [ 450.388273] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 450.428356] [] kernel_init_freeable+0x457/0x518 [ 450.456889] [] kernel_init+0x16/0x181 [ 450.484902] [] ret_from_fork+0x1f/0x40 [ 450.507813] [] ? rest_init+0x8f/0x8f [ 450.529524] ================================================================================ [ 450.576671] ================================================================================ [ 450.616931] UBSAN: Undefined behaviour in fs/libfs.c:65:19 [ 450.643576] member access within misaligned address ffff88005d030960 for type 'struct super_block' [ 450.689002] which requires 64 byte alignment [ 450.711646] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 450.738386] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 450.778951] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbc8 ffffffffb26ec5cc [ 450.819330] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 450.849350] ffffffff00000010 ffff88005c9dfbf0 ffff88005c9dfba0 ffffffffb363c3e0 [ 450.877301] Call Trace: [ 450.888480] [] dump_stack+0xd7/0x132 [ 450.913089] [] ? arch_local_irq_restore+0x1b/0x1b [ 450.939085] [] ubsan_epilogue+0x12/0x53 [ 450.967316] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 451.000243] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 451.036126] [] simple_lookup+0x8f/0xda [ 451.063587] [] __lookup_hash+0x117/0x149 [ 451.087386] [] lookup_one_len+0x33b/0x38a [ 451.113168] [] ? vfs_link+0x4e0/0x4e0 [ 451.140865] [] ? __down_timeout+0x18/0x18 [ 451.163201] [] start_creating+0xf9/0x1d2 [ 451.187415] [] debugfs_create_dir+0x2e/0x23e [ 451.218429] [] ? phy_core_init+0x88/0x88 [ 451.239130] [] pinctrl_init+0x24/0xc7 [ 451.265530] [] ? phy_core_init+0x88/0x88 [ 451.291982] [] do_one_initcall+0x16d/0x258 [ 451.321436] [] ? initcall_blacklisted+0x198/0x198 [ 451.344626] [] ? up_write+0x8c/0xd9 [ 451.367801] [] ? down_write_trylock+0x100/0x100 [ 451.396613] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 451.423160] [] kernel_init_freeable+0x457/0x518 [ 451.452333] [] kernel_init+0x16/0x181 [ 451.473884] [] ret_from_fork+0x1f/0x40 [ 451.499612] [] ? rest_init+0x8f/0x8f [ 451.516091] ================================================================================ [ 451.557098] ================================================================================ [ 451.591071] UBSAN: Undefined behaviour in kernel/time/time.c:243:9 [ 451.622696] member access within misaligned address ffff88005d030960 for type 'struct super_block' [ 451.667914] which requires 64 byte alignment [ 451.685593] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 451.706875] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 451.743595] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc98 ffffffffb26ec5cc [ 451.771014] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 451.801478] ffff880000000010 ffff88005c9dfcc0 ffff88005c9dfc70 ffffffffb363c3e0 [ 451.828102] Call Trace: [ 451.839857] [] dump_stack+0xd7/0x132 [ 451.859754] [] ? arch_local_irq_restore+0x1b/0x1b [ 451.884828] [] ubsan_epilogue+0x12/0x53 [ 451.904894] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 451.938694] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 451.966736] [] ? current_kernel_time64+0x43/0x56 [ 451.988487] [] current_fs_time+0x3c/0x62 [ 452.011510] [] debugfs_get_inode+0x84/0x107 [ 452.033539] [] debugfs_create_dir+0x6d/0x23e [ 452.056433] [] ? phy_core_init+0x88/0x88 [ 452.081372] [] pinctrl_init+0x24/0xc7 [ 452.104899] [] ? phy_core_init+0x88/0x88 [ 452.130271] [] do_one_initcall+0x16d/0x258 [ 452.159042] [] ? initcall_blacklisted+0x198/0x198 [ 452.183243] [] ? up_write+0x8c/0xd9 [ 452.206835] [] ? down_write_trylock+0x100/0x100 [ 452.232846] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 452.263057] [] kernel_init_freeable+0x457/0x518 [ 452.289473] [] kernel_init+0x16/0x181 [ 452.312509] [] ret_from_fork+0x1f/0x40 [ 452.337935] [] ? rest_init+0x8f/0x8f [ 452.357622] ================================================================================ [ 452.406270] RTC time: 22:12:31, date: 01/11/17 [ 452.426865] ================================================================================ [ 452.469314] UBSAN: Undefined behaviour in lib/rhashtable.c:132:12 [ 452.494577] member access within misaligned address ffff88005cb53578 for type 'struct bucket_table' [ 452.526361] which requires 64 byte alignment [ 452.547244] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 452.573044] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 452.622405] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb08 ffffffffb26ec5cc [ 452.653376] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 452.688037] ffff880000000010 ffff88005c9dfb30 ffff88005c9dfae0 ffffffffb363c3e0 [ 452.721493] Call Trace: [ 452.729825] [] dump_stack+0xd7/0x132 [ 452.753712] [] ? arch_local_irq_restore+0x1b/0x1b [ 452.782141] [] ubsan_epilogue+0x12/0x53 [ 452.803571] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 452.834928] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 452.863097] [] ? __kmalloc+0x2c1/0x2e7 [ 452.884672] [] ? bucket_table_alloc+0xab/0x544 [ 452.905968] [] ? __register_sysctl_table+0xd52/0xd64 [ 452.930239] [] bucket_table_alloc+0xf8/0x544 [ 452.957908] [] ? rhashtable_insert_slow+0x82b/0x82b [ 452.982001] [] ? find_first_bit+0xa2/0xb1 [ 453.005896] [] rhashtable_init+0x883/0xa00 [ 453.026862] [] ? rhashtable_insert_rehash+0x1ee/0x1ee [ 453.053505] [] ? kasan_poison_shadow+0x2f/0x31 [ 453.079801] [] ? kasan_kmalloc_large+0x83/0x8c [ 453.101783] [] ? kmalloc_order+0x69/0x73 [ 453.122223] [] ? tc_action_init+0x5a/0x5a [ 453.142455] [] ? kmalloc_order_trace+0x24/0x10f [ 453.167644] [] ? netlink_proto_init+0x97/0x30c [ 453.188228] [] netlink_proto_init+0xcf/0x30c [ 453.217454] [] ? tc_action_init+0x5a/0x5a [ 453.240603] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 453.267205] [] ? tc_action_init+0x5a/0x5a [ 453.287242] [] do_one_initcall+0x16d/0x258 [ 453.306757] [] ? initcall_blacklisted+0x198/0x198 [ 453.334452] [] ? up_write+0x8c/0xd9 [ 453.358916] [] ? down_write_trylock+0x100/0x100 [ 453.390681] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 453.423065] [] kernel_init_freeable+0x457/0x518 [ 453.453016] [] kernel_init+0x16/0x181 [ 453.473102] [] ret_from_fork+0x1f/0x40 [ 453.496619] [] ? rest_init+0x8f/0x8f [ 453.511353] ================================================================================ [ 453.545627] ================================================================================ [ 453.578219] UBSAN: Undefined behaviour in lib/rhashtable.c:77:9 [ 453.598516] member access within misaligned address ffff88005cb53578 for type 'struct bucket_table' [ 453.631784] which requires 64 byte alignment [ 453.648438] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 453.668024] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 453.705234] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb08 ffffffffb26ec5cc [ 453.732576] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 453.760837] ffffffff00000010 ffff88005c9dfb30 ffff88005c9dfae0 ffffffffb363c3e0 [ 453.789257] Call Trace: [ 453.800361] [] dump_stack+0xd7/0x132 [ 453.818182] [] ? arch_local_irq_restore+0x1b/0x1b [ 453.841296] [] ubsan_epilogue+0x12/0x53 [ 453.860606] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 453.889644] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 453.916124] [] ? __kmalloc+0x2c1/0x2e7 [ 453.934699] [] bucket_table_alloc+0x18c/0x544 [ 453.959397] [] ? rhashtable_insert_slow+0x82b/0x82b [ 453.981927] [] ? find_first_bit+0xa2/0xb1 [ 454.003681] [] rhashtable_init+0x883/0xa00 [ 454.026803] [] ? rhashtable_insert_rehash+0x1ee/0x1ee [ 454.053648] [] ? kasan_poison_shadow+0x2f/0x31 [ 454.077151] [] ? kasan_kmalloc_large+0x83/0x8c [ 454.098069] [] ? kmalloc_order+0x69/0x73 [ 454.122664] [] ? tc_action_init+0x5a/0x5a [ 454.140841] [] ? kmalloc_order_trace+0x24/0x10f [ 454.163843] [] ? netlink_proto_init+0x97/0x30c [ 454.188685] [] netlink_proto_init+0xcf/0x30c [ 454.214085] [] ? tc_action_init+0x5a/0x5a [ 454.242101] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 454.270374] [] ? tc_action_init+0x5a/0x5a [ 454.297631] [] do_one_initcall+0x16d/0x258 [ 454.319822] [] ? initcall_blacklisted+0x198/0x198 [ 454.343919] [] ? up_write+0x8c/0xd9 [ 454.360386] [] ? down_write_trylock+0x100/0x100 [ 454.384564] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 454.406626] [] kernel_init_freeable+0x457/0x518 [ 454.431942] [] kernel_init+0x16/0x181 [ 454.452398] [] ret_from_fork+0x1f/0x40 [ 454.472622] [] ? rest_init+0x8f/0x8f [ 454.490802] ================================================================================ [ 454.526159] ================================================================================ [ 454.558607] UBSAN: Undefined behaviour in lib/rhashtable.c:80:14 [ 454.581577] member access within misaligned address ffff88005cb53578 for type 'struct bucket_table' [ 454.619337] which requires 64 byte alignment [ 454.633455] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 454.657855] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 454.691264] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb08 ffffffffb26ec5cc [ 454.719019] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 454.743104] ffffffff00000010 ffff88005c9dfb30 ffff88005c9dfae0 ffffffffb363c3e0 [ 454.769253] Call Trace: [ 454.778604] [] dump_stack+0xd7/0x132 [ 454.797346] [] ? arch_local_irq_restore+0x1b/0x1b [ 454.820777] [] ubsan_epilogue+0x12/0x53 [ 454.839134] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 454.868563] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 454.897458] [] ? __kmalloc+0x2c1/0x2e7 [ 454.919042] [] bucket_table_alloc+0x1c0/0x544 [ 454.939849] [] ? rhashtable_insert_slow+0x82b/0x82b [ 454.964130] [] ? find_first_bit+0xa2/0xb1 [ 454.989564] [] rhashtable_init+0x883/0xa00 [ 455.016048] [] ? rhashtable_insert_rehash+0x1ee/0x1ee [ 455.048775] [] ? kasan_poison_shadow+0x2f/0x31 [ 455.076349] [] ? kasan_kmalloc_large+0x83/0x8c [ 455.120296] [] ? kmalloc_order+0x69/0x73 [ 455.141538] [] ? tc_action_init+0x5a/0x5a [ 455.168629] [] ? kmalloc_order_trace+0x24/0x10f [ 455.193216] [] ? netlink_proto_init+0x97/0x30c [ 455.218497] [] netlink_proto_init+0xcf/0x30c [ 455.245080] [] ? tc_action_init+0x5a/0x5a [ 455.265625] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 455.291354] [] ? tc_action_init+0x5a/0x5a [ 455.312677] [] do_one_initcall+0x16d/0x258 [ 455.337896] [] ? initcall_blacklisted+0x198/0x198 [ 455.361397] [] ? up_write+0x8c/0xd9 [ 455.380896] [] ? down_write_trylock+0x100/0x100 [ 455.407429] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 455.432209] [] kernel_init_freeable+0x457/0x518 [ 455.457346] [] kernel_init+0x16/0x181 [ 455.478336] [] ret_from_fork+0x1f/0x40 [ 455.498276] [] ? rest_init+0x8f/0x8f [ 455.519152] ================================================================================ [ 455.550881] ================================================================================ [ 455.584036] UBSAN: Undefined behaviour in lib/rhashtable.c:89:11 [ 455.606813] member access within misaligned address ffff88005cb53578 for type 'struct bucket_table' [ 455.648164] which requires 64 byte alignment [ 455.672813] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 455.695053] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 455.800396] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb08 ffffffffb26ec5cc [ 455.857374] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 455.919153] ffffffff00000010 ffff88005c9dfb30 ffff88005c9dfae0 ffffffffb363c3e0 [ 455.955410] Call Trace: [ 455.964229] [] dump_stack+0xd7/0x132 [ 455.983909] [] ? arch_local_irq_restore+0x1b/0x1b [ 456.013161] [] ubsan_epilogue+0x12/0x53 [ 456.033208] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 456.066739] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 456.102576] [] ? __kmalloc+0x2c1/0x2e7 [ 456.126171] [] bucket_table_alloc+0x27b/0x544 [ 456.152707] [] ? rhashtable_insert_slow+0x82b/0x82b [ 456.180289] [] ? find_first_bit+0xa2/0xb1 [ 456.206279] [] rhashtable_init+0x883/0xa00 [ 456.233160] [] ? rhashtable_insert_rehash+0x1ee/0x1ee [ 456.285896] [] ? kasan_poison_shadow+0x2f/0x31 [ 456.346335] [] ? kasan_kmalloc_large+0x83/0x8c [ 456.403091] [] ? kmalloc_order+0x69/0x73 [ 456.447569] [] ? tc_action_init+0x5a/0x5a [ 456.498226] [] ? kmalloc_order_trace+0x24/0x10f [ 456.549252] [] ? netlink_proto_init+0x97/0x30c [ 456.618643] [] netlink_proto_init+0xcf/0x30c [ 456.647465] [] ? tc_action_init+0x5a/0x5a [ 456.668644] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 456.695329] [] ? tc_action_init+0x5a/0x5a [ 456.721862] [] do_one_initcall+0x16d/0x258 [ 456.747322] [] ? initcall_blacklisted+0x198/0x198 [ 456.768051] [] ? up_write+0x8c/0xd9 [ 456.789737] [] ? down_write_trylock+0x100/0x100 [ 456.816893] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 456.842787] [] kernel_init_freeable+0x457/0x518 [ 456.868360] [] kernel_init+0x16/0x181 [ 456.898215] [] ret_from_fork+0x1f/0x40 [ 456.921412] [] ? rest_init+0x8f/0x8f [ 456.947136] ================================================================================ [ 456.984181] ================================================================================ [ 457.013575] UBSAN: Undefined behaviour in lib/rhashtable.c:90:15 [ 457.034274] member access within misaligned address ffff88005cb53578 for type 'struct bucket_table' [ 457.072039] which requires 64 byte alignment [ 457.085008] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 457.105838] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 457.144964] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb08 ffffffffb26ec5cc [ 457.173382] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 457.204538] ffff880000000010 ffff88005c9dfb30 ffff88005c9dfae0 ffffffffb363c3e0 [ 457.230415] Call Trace: [ 457.240875] [] dump_stack+0xd7/0x132 [ 457.263648] [] ? arch_local_irq_restore+0x1b/0x1b [ 457.287271] [] ubsan_epilogue+0x12/0x53 [ 457.305214] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 457.333675] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 457.362300] [] ? __kmalloc+0x2c1/0x2e7 [ 457.381953] [] ? bucket_table_alloc+0x29e/0x544 [ 457.418235] [] bucket_table_alloc+0x2ba/0x544 [ 457.453054] [] ? rhashtable_insert_slow+0x82b/0x82b [ 457.482318] [] ? find_first_bit+0xa2/0xb1 [ 457.508015] [] rhashtable_init+0x883/0xa00 [ 457.537992] [] ? rhashtable_insert_rehash+0x1ee/0x1ee [ 457.570198] [] ? kasan_poison_shadow+0x2f/0x31 [ 457.598835] [] ? kasan_kmalloc_large+0x83/0x8c [ 457.625660] [] ? kmalloc_order+0x69/0x73 [ 457.650802] [] ? tc_action_init+0x5a/0x5a [ 457.676598] [] ? kmalloc_order_trace+0x24/0x10f [ 457.707205] [] ? netlink_proto_init+0x97/0x30c [ 457.738975] [] netlink_proto_init+0xcf/0x30c [ 457.764875] [] ? tc_action_init+0x5a/0x5a [ 457.784285] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 457.819772] [] ? tc_action_init+0x5a/0x5a [ 457.846937] [] do_one_initcall+0x16d/0x258 [ 457.869108] [] ? initcall_blacklisted+0x198/0x198 [ 457.896076] [] ? up_write+0x8c/0xd9 [ 457.920418] [] ? down_write_trylock+0x100/0x100 [ 457.949013] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 457.980168] [] kernel_init_freeable+0x457/0x518 [ 458.008734] [] kernel_init+0x16/0x181 [ 458.027278] [] ret_from_fork+0x1f/0x40 [ 458.053846] [] ? rest_init+0x8f/0x8f [ 458.078845] ================================================================================ [ 458.118563] ================================================================================ [ 458.150220] UBSAN: Undefined behaviour in lib/rhashtable.c:92:11 [ 458.174616] member access within misaligned address ffff88005cb53578 for type 'struct bucket_table' [ 458.209074] which requires 64 byte alignment [ 458.228814] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 458.251538] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 458.291396] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb08 ffffffffb26ec5cc [ 458.319681] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 458.348855] ffffffff00000010 ffff88005c9dfb30 ffff88005c9dfae0 ffffffffb363c3e0 [ 458.379359] Call Trace: [ 458.386014] [] dump_stack+0xd7/0x132 [ 458.407422] [] ? arch_local_irq_restore+0x1b/0x1b [ 458.431868] [] ubsan_epilogue+0x12/0x53 [ 458.459403] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 458.485417] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 458.511507] [] ? __kmalloc+0x2c1/0x2e7 [ 458.534944] [] ? bucket_table_alloc+0x29e/0x544 [ 458.559003] [] bucket_table_alloc+0x2e4/0x544 [ 458.583753] [] ? rhashtable_insert_slow+0x82b/0x82b [ 458.611504] [] ? find_first_bit+0xa2/0xb1 [ 458.635418] [] rhashtable_init+0x883/0xa00 [ 458.662182] [] ? rhashtable_insert_rehash+0x1ee/0x1ee [ 458.694522] [] ? kasan_poison_shadow+0x2f/0x31 [ 458.720324] [] ? kasan_kmalloc_large+0x83/0x8c [ 458.741998] [] ? kmalloc_order+0x69/0x73 [ 458.765418] [] ? tc_action_init+0x5a/0x5a [ 458.787537] [] ? kmalloc_order_trace+0x24/0x10f [ 458.809373] [] ? netlink_proto_init+0x97/0x30c [ 458.831566] [] netlink_proto_init+0xcf/0x30c [ 458.853143] [] ? tc_action_init+0x5a/0x5a [ 458.878864] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 458.901485] [] ? tc_action_init+0x5a/0x5a [ 458.923737] [] do_one_initcall+0x16d/0x258 [ 458.944604] [] ? initcall_blacklisted+0x198/0x198 [ 458.968858] [] ? up_write+0x8c/0xd9 [ 458.987568] [] ? down_write_trylock+0x100/0x100 [ 459.012356] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 459.040670] [] kernel_init_freeable+0x457/0x518 [ 459.063224] [] kernel_init+0x16/0x181 [ 459.083747] [] ret_from_fork+0x1f/0x40 [ 459.109435] [] ? rest_init+0x8f/0x8f [ 459.135139] ================================================================================ [ 459.173729] ================================================================================ [ 459.206969] UBSAN: Undefined behaviour in lib/rhashtable.c:95:4 [ 459.232264] member access within misaligned address ffff88005cb53578 for type 'struct bucket_table' [ 459.273175] which requires 64 byte alignment [ 459.290772] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 459.315311] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 459.351621] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb08 ffffffffb26ec5cc [ 459.383700] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 459.419004] ffffffff00000010 ffff88005c9dfb30 ffff88005c9dfae0 ffffffffb363c3e0 [ 459.453156] Call Trace: [ 459.462377] [] dump_stack+0xd7/0x132 [ 459.483146] [] ? arch_local_irq_restore+0x1b/0x1b [ 459.506901] [] ubsan_epilogue+0x12/0x53 [ 459.526708] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 459.556984] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 459.591090] [] ? __kmalloc+0x2c1/0x2e7 [ 459.617706] [] ? bucket_table_alloc+0x29e/0x544 [ 459.656561] [] bucket_table_alloc+0x338/0x544 [ 459.700810] [] ? rhashtable_insert_slow+0x82b/0x82b [ 459.752256] [] ? find_first_bit+0xa2/0xb1 [ 459.802765] [] rhashtable_init+0x883/0xa00 [ 459.844417] [] ? rhashtable_insert_rehash+0x1ee/0x1ee [ 459.874171] [] ? kasan_poison_shadow+0x2f/0x31 [ 459.898454] [] ? kasan_kmalloc_large+0x83/0x8c [ 459.923522] [] ? kmalloc_order+0x69/0x73 [ 459.963989] [] ? tc_action_init+0x5a/0x5a [ 460.002037] [] ? kmalloc_order_trace+0x24/0x10f [ 460.050618] [] ? netlink_proto_init+0x97/0x30c [ 460.103279] [] netlink_proto_init+0xcf/0x30c [ 460.128152] [] ? tc_action_init+0x5a/0x5a [ 460.147850] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 460.175871] [] ? tc_action_init+0x5a/0x5a [ 460.197206] [] do_one_initcall+0x16d/0x258 [ 460.217708] [] ? initcall_blacklisted+0x198/0x198 [ 460.243016] [] ? up_write+0x8c/0xd9 [ 460.260648] [] ? down_write_trylock+0x100/0x100 [ 460.281797] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 460.305793] [] kernel_init_freeable+0x457/0x518 [ 460.329337] [] kernel_init+0x16/0x181 [ 460.353010] [] ret_from_fork+0x1f/0x40 [ 460.377783] [] ? rest_init+0x8f/0x8f [ 460.393394] ================================================================================ [ 460.421161] ================================================================================ [ 460.447699] UBSAN: Undefined behaviour in lib/rhashtable.c:95:4 [ 460.476421] member access within misaligned address ffff88005cb53578 for type 'struct bucket_table' [ 460.510672] which requires 64 byte alignment [ 460.523653] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 460.546716] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 460.587993] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb08 ffffffffb26ec5cc [ 460.627175] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 460.655920] ffffffff00000010 ffff88005c9dfb30 ffff88005c9dfae0 ffffffffb363c3e0 [ 460.708303] Call Trace: [ 460.718301] [] dump_stack+0xd7/0x132 [ 460.745534] [] ? arch_local_irq_restore+0x1b/0x1b [ 460.767259] [] ubsan_epilogue+0x12/0x53 [ 460.787170] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 460.819033] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 460.848928] [] ? __kmalloc+0x2c1/0x2e7 [ 460.868386] [] ? bucket_table_alloc+0x29e/0x544 [ 460.906477] [] bucket_table_alloc+0x35e/0x544 [ 460.931673] [] ? rhashtable_insert_slow+0x82b/0x82b [ 460.962874] [] ? find_first_bit+0xa2/0xb1 [ 460.987562] [] rhashtable_init+0x883/0xa00 [ 461.012941] [] ? rhashtable_insert_rehash+0x1ee/0x1ee [ 461.038862] [] ? kasan_poison_shadow+0x2f/0x31 [ 461.061844] [] ? kasan_kmalloc_large+0x83/0x8c [ 461.081683] [] ? kmalloc_order+0x69/0x73 [ 461.108995] [] ? tc_action_init+0x5a/0x5a [ 461.131126] [] ? kmalloc_order_trace+0x24/0x10f [ 461.160872] [] ? netlink_proto_init+0x97/0x30c [ 461.183004] [] netlink_proto_init+0xcf/0x30c [ 461.205979] [] ? tc_action_init+0x5a/0x5a [ 461.227066] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 461.259076] [] ? tc_action_init+0x5a/0x5a [ 461.280185] [] do_one_initcall+0x16d/0x258 [ 461.300729] [] ? initcall_blacklisted+0x198/0x198 [ 461.326203] [] ? up_write+0x8c/0xd9 [ 461.344791] [] ? down_write_trylock+0x100/0x100 [ 461.371571] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 461.398572] [] kernel_init_freeable+0x457/0x518 [ 461.419574] [] kernel_init+0x16/0x181 [ 461.444800] [] ret_from_fork+0x1f/0x40 [ 461.468122] [] ? rest_init+0x8f/0x8f [ 461.489047] ================================================================================ [ 461.521044] ================================================================================ [ 461.553289] UBSAN: Undefined behaviour in lib/rhashtable.c:97:18 [ 461.573541] member access within misaligned address ffff88005cb53578 for type 'struct bucket_table' [ 461.620637] which requires 64 byte alignment [ 461.647917] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 461.668354] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 461.706270] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb08 ffffffffb26ec5cc [ 461.743468] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 461.773472] ffffffff00000010 ffff88005c9dfb30 ffff88005c9dfae0 ffffffffb363c3e0 [ 461.808475] Call Trace: [ 461.821472] [] dump_stack+0xd7/0x132 [ 461.845111] [] ? arch_local_irq_restore+0x1b/0x1b [ 461.867200] [] ubsan_epilogue+0x12/0x53 [ 461.889146] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 461.922941] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 461.952134] [] ? __kmalloc+0x2c1/0x2e7 [ 461.978506] [] ? bucket_table_alloc+0x29e/0x544 [ 462.010803] [] bucket_table_alloc+0x3b8/0x544 [ 462.038195] [] ? rhashtable_insert_slow+0x82b/0x82b [ 462.066774] [] ? find_first_bit+0xa2/0xb1 [ 462.096608] [] rhashtable_init+0x883/0xa00 [ 462.122804] [] ? rhashtable_insert_rehash+0x1ee/0x1ee [ 462.148752] [] ? kasan_poison_shadow+0x2f/0x31 [ 462.179158] [] ? kasan_kmalloc_large+0x83/0x8c [ 462.200627] [] ? kmalloc_order+0x69/0x73 [ 462.224053] [] ? tc_action_init+0x5a/0x5a [ 462.247747] [] ? kmalloc_order_trace+0x24/0x10f [ 462.270125] [] ? netlink_proto_init+0x97/0x30c [ 462.300470] [] netlink_proto_init+0xcf/0x30c [ 462.320428] [] ? tc_action_init+0x5a/0x5a [ 462.347950] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 462.377948] [] ? tc_action_init+0x5a/0x5a [ 462.399504] [] do_one_initcall+0x16d/0x258 [ 462.421537] [] ? initcall_blacklisted+0x198/0x198 [ 462.447202] [] ? up_write+0x8c/0xd9 [ 462.471081] [] ? down_write_trylock+0x100/0x100 [ 462.496539] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 462.519654] [] kernel_init_freeable+0x457/0x518 [ 462.542441] [] kernel_init+0x16/0x181 [ 462.560120] [] ret_from_fork+0x1f/0x40 [ 462.579913] [] ? rest_init+0x8f/0x8f [ 462.599487] ================================================================================ [ 462.628721] ================================================================================ [ 462.653463] UBSAN: Undefined behaviour in lib/rhashtable.c:144:3 [ 462.672480] member access within misaligned address ffff88005cb53578 for type 'struct bucket_table' [ 462.702717] which requires 64 byte alignment [ 462.719100] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 462.738228] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 462.767062] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb08 ffffffffb26ec5cc [ 462.791914] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 462.819720] ffff880000000010 ffff88005c9dfb30 ffff88005c9dfae0 ffffffffb363c3e0 [ 462.846404] Call Trace: [ 462.852817] [] dump_stack+0xd7/0x132 [ 462.868504] [] ? arch_local_irq_restore+0x1b/0x1b [ 462.888250] [] ubsan_epilogue+0x12/0x53 [ 462.907165] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 462.927196] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 462.951642] [] ? bucket_table_alloc+0x29e/0x544 [ 462.971996] [] bucket_table_alloc+0x4a8/0x544 [ 462.992781] [] ? rhashtable_insert_slow+0x82b/0x82b [ 463.018128] [] ? find_first_bit+0xa2/0xb1 [ 463.034764] [] rhashtable_init+0x883/0xa00 [ 463.109310] [] ? rhashtable_insert_rehash+0x1ee/0x1ee [ 463.138249] [] ? kasan_poison_shadow+0x2f/0x31 [ 463.159438] [] ? kasan_kmalloc_large+0x83/0x8c [ 463.179173] [] ? kmalloc_order+0x69/0x73 [ 463.196243] [] ? tc_action_init+0x5a/0x5a [ 463.212196] [] ? kmalloc_order_trace+0x24/0x10f [ 463.236230] [] ? netlink_proto_init+0x97/0x30c [ 463.256888] [] netlink_proto_init+0xcf/0x30c [ 463.277569] [] ? tc_action_init+0x5a/0x5a [ 463.298398] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 463.319930] [] ? tc_action_init+0x5a/0x5a [ 463.341833] [] do_one_initcall+0x16d/0x258 [ 463.359862] [] ? initcall_blacklisted+0x198/0x198 [ 463.381845] [] ? up_write+0x8c/0xd9 [ 463.399201] [] ? down_write_trylock+0x100/0x100 [ 463.419268] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 463.442449] [] kernel_init_freeable+0x457/0x518 [ 463.463892] [] kernel_init+0x16/0x181 [ 463.481816] [] ret_from_fork+0x1f/0x40 [ 463.498954] [] ? rest_init+0x8f/0x8f [ 463.518202] ================================================================================ [ 463.550815] NET: Registered protocol family 16 [ 463.567393] ================================================================================ [ 463.596675] UBSAN: Undefined behaviour in net/socket.c:259:18 [ 463.619017] member access within misaligned address ffff8800a35e1328 for type 'struct socket_wq' [ 463.646134] which requires 64 byte alignment [ 463.667110] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 463.686713] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 463.721420] 00000000ffffffff 00000000b1a89c60 ffff88005c9df7b8 ffffffffb26ec5cc [ 463.745764] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 463.772659] ffff880000000010 ffff88005c9df7e0 ffff88005c9df790 ffffffffb363c3e0 [ 463.800204] Call Trace: [ 463.807579] [] dump_stack+0xd7/0x132 [ 463.826530] [] ? arch_local_irq_restore+0x1b/0x1b [ 463.848410] [] ubsan_epilogue+0x12/0x53 [ 463.869403] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 463.893844] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 463.918275] [] ? sock_alloc_inode+0xa9/0x252 [ 463.936076] [] sock_alloc_inode+0xfa/0x252 [ 463.953569] [] ? sock_destroy_inode+0x61/0x61 [ 463.973537] [] ? kmem_cache_free+0x4b/0x2b3 [ 463.994049] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 464.015501] [] ? sock_destroy_inode+0x61/0x61 [ 464.035815] [] alloc_inode+0xa8/0x1e5 [ 464.053254] [] new_inode_pseudo+0x6d/0x15b [ 464.070764] [] ? prune_icache_sb+0x12b/0x12b [ 464.092953] [] ? apparmor_socket_create+0x8e/0x9d [ 464.115034] [] sock_alloc+0x48/0x1f8 [ 464.134925] [] sock_create_lite+0x4b/0xeb [ 464.154406] [] __netlink_kernel_create+0x132/0x730 [ 464.176842] [] ? __xlate_proc_name+0x133/0x133 [ 464.197797] [] ? netlink_table_ungrab+0xa6/0xa6 [ 464.218344] [] ? print_time+0xb0/0xbc [ 464.237635] [] ? proc_register+0x36e/0x427 [ 464.254630] [] rtnetlink_net_init+0xb2/0x134 [ 464.275257] [] ? rtnl_fdb_dump+0x76b/0x76b [ 464.297840] [] ? put_net+0x28/0x28 [ 464.312622] [] ? proc_create_data+0x15b/0x16a [ 464.330711] [] ? rtnl_fdb_dump+0x76b/0x76b [ 464.350252] [] ops_init+0x364/0x3c8 [ 464.366625] [] ? __list_add+0x211/0x249 [ 464.383200] [] ? net_alloc_generic+0x64/0x64 [ 464.403885] [] ? power_down+0x109/0x109 [ 464.421963] [] register_pernet_operations+0x28a/0x3ea [ 464.444798] [] ? unregister_pernet_device+0x73/0x73 [ 464.462605] [] ? mutex_unlock+0x9d/0xce [ 464.480001] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 464.499389] [] register_pernet_subsys+0x2e/0x44 [ 464.517964] [] rtnetlink_init+0x15/0x19a [ 464.533816] [] netlink_proto_init+0x2b7/0x30c [ 464.554622] [] ? tc_action_init+0x5a/0x5a [ 464.574582] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 464.597177] [] ? tc_action_init+0x5a/0x5a [ 464.615404] [] do_one_initcall+0x16d/0x258 [ 464.633110] [] ? initcall_blacklisted+0x198/0x198 [ 464.659257] [] ? up_write+0x8c/0xd9 [ 464.677162] [] ? down_write_trylock+0x100/0x100 [ 464.693486] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 464.718538] [] kernel_init_freeable+0x457/0x518 [ 464.739231] [] kernel_init+0x16/0x181 [ 464.759702] [] ret_from_fork+0x1f/0x40 [ 464.776445] [] ? rest_init+0x8f/0x8f [ 464.792015] ================================================================================ [ 464.819634] ================================================================================ [ 464.845514] UBSAN: Undefined behaviour in net/socket.c:260:12 [ 464.865243] member access within misaligned address ffff8800a35e1328 for type 'struct socket_wq' [ 464.892518] which requires 64 byte alignment [ 464.904948] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 464.925079] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 464.956716] 00000000ffffffff 00000000b1a89c60 ffff88005c9df7b8 ffffffffb26ec5cc [ 464.983336] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 465.013429] ffffffff00000010 ffff88005c9df7e0 ffff88005c9df790 ffffffffb363c3e0 [ 465.038525] Call Trace: [ 465.046395] [] dump_stack+0xd7/0x132 [ 465.067114] [] ? arch_local_irq_restore+0x1b/0x1b [ 465.087966] [] ubsan_epilogue+0x12/0x53 [ 465.105189] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 465.128658] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 465.151711] [] ? sock_alloc_inode+0xa9/0x252 [ 465.171452] [] sock_alloc_inode+0x127/0x252 [ 465.190345] [] ? sock_destroy_inode+0x61/0x61 [ 465.212370] [] ? kmem_cache_free+0x4b/0x2b3 [ 465.231469] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 465.252793] [] ? sock_destroy_inode+0x61/0x61 [ 465.271596] [] alloc_inode+0xa8/0x1e5 [ 465.289190] [] new_inode_pseudo+0x6d/0x15b [ 465.310697] [] ? prune_icache_sb+0x12b/0x12b [ 465.327480] [] ? apparmor_socket_create+0x8e/0x9d [ 465.348581] [] sock_alloc+0x48/0x1f8 [ 465.366597] [] sock_create_lite+0x4b/0xeb [ 465.385991] [] __netlink_kernel_create+0x132/0x730 [ 465.407268] [] ? __xlate_proc_name+0x133/0x133 [ 465.426373] [] ? netlink_table_ungrab+0xa6/0xa6 [ 465.448835] [] ? print_time+0xb0/0xbc [ 465.467930] [] ? proc_register+0x36e/0x427 [ 465.484095] [] rtnetlink_net_init+0xb2/0x134 [ 465.505665] [] ? rtnl_fdb_dump+0x76b/0x76b [ 465.524228] [] ? put_net+0x28/0x28 [ 465.542654] [] ? proc_create_data+0x15b/0x16a [ 465.562081] [] ? rtnl_fdb_dump+0x76b/0x76b [ 465.582191] [] ops_init+0x364/0x3c8 [ 465.599666] [] ? __list_add+0x211/0x249 [ 465.620404] [] ? net_alloc_generic+0x64/0x64 [ 465.641766] [] ? power_down+0x109/0x109 [ 465.659119] [] register_pernet_operations+0x28a/0x3ea [ 465.682485] [] ? unregister_pernet_device+0x73/0x73 [ 465.705132] [] ? mutex_unlock+0x9d/0xce [ 465.720941] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 465.741712] [] register_pernet_subsys+0x2e/0x44 [ 465.761059] [] rtnetlink_init+0x15/0x19a [ 465.778492] [] netlink_proto_init+0x2b7/0x30c [ 465.795970] [] ? tc_action_init+0x5a/0x5a [ 465.820129] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 465.842726] [] ? tc_action_init+0x5a/0x5a [ 465.862766] [] do_one_initcall+0x16d/0x258 [ 465.886454] [] ? initcall_blacklisted+0x198/0x198 [ 465.909826] [] ? up_write+0x8c/0xd9 [ 465.928905] [] ? down_write_trylock+0x100/0x100 [ 465.951378] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 465.974623] [] kernel_init_freeable+0x457/0x518 [ 465.996681] [] kernel_init+0x16/0x181 [ 466.013590] [] ret_from_fork+0x1f/0x40 [ 466.029176] [] ? rest_init+0x8f/0x8f [ 466.047221] ================================================================================ [ 466.078103] ================================================================================ [ 466.104987] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:249:9 [ 466.128740] member access within misaligned address ffff88005cb53578 for type 'const struct bucket_table' [ 466.160866] which requires 64 byte alignment [ 466.174781] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 466.198542] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 466.233165] 00000000ffffffff 00000000b1a89c60 ffff88005c9df808 ffffffffb26ec5cc [ 466.260931] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 466.285194] ffffffff00000010 ffff88005c9df830 ffff88005c9df7e0 ffffffffb363c3e0 [ 466.309253] Call Trace: [ 466.318508] [] dump_stack+0xd7/0x132 [ 466.337365] [] ? arch_local_irq_restore+0x1b/0x1b [ 466.357542] [] ubsan_epilogue+0x12/0x53 [ 466.373978] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 466.398011] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 466.422514] [] ? __local_bh_enable_ip+0x40/0xb3 [ 466.442991] [] netlink_insert+0x387/0xa6d [ 466.462074] [] ? kasan_unpoison_shadow+0x14/0x35 [ 466.481105] [] ? __netlink_dump_start+0x58a/0x58a [ 466.502250] [] ? kasan_unpoison_shadow+0x14/0x35 [ 466.523252] [] ? kasan_kmalloc+0x94/0xa3 [ 466.543181] [] ? __kmalloc+0x2c1/0x2e7 [ 466.564031] [] ? kzalloc+0x26/0x28 [ 466.583919] [] ? put_net+0x28/0x28 [ 466.603904] [] __netlink_kernel_create+0x2ea/0x730 [ 466.625091] [] ? netlink_table_ungrab+0xa6/0xa6 [ 466.647644] [] ? proc_register+0x36e/0x427 [ 466.668804] [] rtnetlink_net_init+0xb2/0x134 [ 466.687524] [] ? rtnl_fdb_dump+0x76b/0x76b [ 466.708183] [] ? put_net+0x28/0x28 [ 466.724615] [] ? proc_create_data+0x15b/0x16a [ 466.745642] [] ? rtnl_fdb_dump+0x76b/0x76b [ 466.764234] [] ops_init+0x364/0x3c8 [ 466.782262] [] ? __list_add+0x211/0x249 [ 466.799479] [] ? net_alloc_generic+0x64/0x64 [ 466.821074] [] ? power_down+0x109/0x109 [ 466.837216] [] register_pernet_operations+0x28a/0x3ea [ 466.859185] [] ? unregister_pernet_device+0x73/0x73 [ 466.879573] [] ? mutex_unlock+0x9d/0xce [ 466.899763] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 466.919342] [] register_pernet_subsys+0x2e/0x44 [ 466.939948] [] rtnetlink_init+0x15/0x19a [ 466.957578] [] netlink_proto_init+0x2b7/0x30c [ 466.977891] [] ? tc_action_init+0x5a/0x5a [ 466.996913] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 467.016126] [] ? tc_action_init+0x5a/0x5a [ 467.031514] [] do_one_initcall+0x16d/0x258 [ 467.048704] [] ? initcall_blacklisted+0x198/0x198 [ 467.067607] [] ? up_write+0x8c/0xd9 [ 467.084766] [] ? down_write_trylock+0x100/0x100 [ 467.105416] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 467.128678] [] kernel_init_freeable+0x457/0x518 [ 467.149891] [] kernel_init+0x16/0x181 [ 467.167178] [] ret_from_fork+0x1f/0x40 [ 467.184405] [] ? rest_init+0x8f/0x8f [ 467.203405] ================================================================================ [ 467.228691] ================================================================================ [ 467.257600] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:208:49 [ 467.280756] member access within misaligned address ffff88005cb53578 for type 'const struct bucket_table' [ 467.313943] which requires 64 byte alignment [ 467.329284] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 467.350578] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 467.379200] 00000000ffffffff 00000000b1a89c60 ffff88005c9df808 ffffffffb26ec5cc [ 467.404170] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 467.429816] 0000000000000010 ffff88005c9df830 ffff88005c9df7e0 ffffffffb363c3e0 [ 467.453658] Call Trace: [ 467.462349] [] dump_stack+0xd7/0x132 [ 467.478500] [] ? arch_local_irq_restore+0x1b/0x1b [ 467.497380] [] ubsan_epilogue+0x12/0x53 [ 467.513665] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 467.531638] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 467.554570] [] ? __local_bh_enable_ip+0x40/0xb3 [ 467.574399] [] netlink_insert+0x3bf/0xa6d [ 467.591986] [] ? kasan_unpoison_shadow+0x14/0x35 [ 467.611734] [] ? __netlink_dump_start+0x58a/0x58a [ 467.633393] [] ? kasan_unpoison_shadow+0x14/0x35 [ 467.657539] [] ? kasan_kmalloc+0x94/0xa3 [ 467.680341] [] ? __kmalloc+0x2c1/0x2e7 [ 467.697213] [] ? kzalloc+0x26/0x28 [ 467.716522] [] ? put_net+0x28/0x28 [ 467.732492] [] __netlink_kernel_create+0x2ea/0x730 [ 467.753035] [] ? netlink_table_ungrab+0xa6/0xa6 [ 467.776937] [] ? proc_register+0x36e/0x427 [ 467.798005] [] rtnetlink_net_init+0xb2/0x134 [ 467.822735] [] ? rtnl_fdb_dump+0x76b/0x76b [ 467.840258] [] ? put_net+0x28/0x28 [ 467.855072] [] ? proc_create_data+0x15b/0x16a [ 467.876790] [] ? rtnl_fdb_dump+0x76b/0x76b [ 467.899586] [] ops_init+0x364/0x3c8 [ 467.919187] [] ? __list_add+0x211/0x249 [ 467.938852] [] ? net_alloc_generic+0x64/0x64 [ 467.960794] [] ? power_down+0x109/0x109 [ 467.979256] [] register_pernet_operations+0x28a/0x3ea [ 467.999636] [] ? unregister_pernet_device+0x73/0x73 [ 468.019679] [] ? mutex_unlock+0x9d/0xce [ 468.039376] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 468.057019] [] register_pernet_subsys+0x2e/0x44 [ 468.076072] [] rtnetlink_init+0x15/0x19a [ 468.091766] [] netlink_proto_init+0x2b7/0x30c [ 468.111776] [] ? tc_action_init+0x5a/0x5a [ 468.133394] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 468.155557] [] ? tc_action_init+0x5a/0x5a [ 468.180111] [] do_one_initcall+0x16d/0x258 [ 468.198524] [] ? initcall_blacklisted+0x198/0x198 [ 468.219972] [] ? up_write+0x8c/0xd9 [ 468.237977] [] ? down_write_trylock+0x100/0x100 [ 468.259339] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 468.283909] [] kernel_init_freeable+0x457/0x518 [ 468.307558] [] kernel_init+0x16/0x181 [ 468.327367] [] ret_from_fork+0x1f/0x40 [ 468.346663] [] ? rest_init+0x8f/0x8f [ 468.375694] ================================================================================ [ 468.426216] ================================================================================ [ 468.467889] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:321:13 [ 468.503493] member access within misaligned address ffff88005cb53578 for type 'const struct bucket_table' [ 468.547142] which requires 64 byte alignment [ 468.568872] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 468.589640] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 468.622626] 00000000ffffffff 00000000b1a89c60 ffff88005c9df808 ffffffffb26ec5cc [ 468.648138] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 468.672238] ffffffff00000010 ffff88005c9df830 ffff88005c9df7e0 ffffffffb363c3e0 [ 468.698949] Call Trace: [ 468.706998] [] dump_stack+0xd7/0x132 [ 468.725414] [] ? arch_local_irq_restore+0x1b/0x1b [ 468.748233] [] ubsan_epilogue+0x12/0x53 [ 468.766624] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 468.790812] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 468.817394] [] ? __local_bh_enable_ip+0x40/0xb3 [ 468.838594] [] netlink_insert+0x3ed/0xa6d [ 468.861439] [] ? kasan_unpoison_shadow+0x14/0x35 [ 468.881687] [] ? __netlink_dump_start+0x58a/0x58a [ 468.904956] [] ? kasan_unpoison_shadow+0x14/0x35 [ 468.926857] [] ? kasan_kmalloc+0x94/0xa3 [ 468.949195] [] ? __kmalloc+0x2c1/0x2e7 [ 468.968606] [] ? kzalloc+0x26/0x28 [ 468.985571] [] ? put_net+0x28/0x28 [ 469.004528] [] __netlink_kernel_create+0x2ea/0x730 [ 469.025744] [] ? netlink_table_ungrab+0xa6/0xa6 [ 469.047820] [] ? proc_register+0x36e/0x427 [ 469.068120] [] rtnetlink_net_init+0xb2/0x134 [ 469.087626] [] ? rtnl_fdb_dump+0x76b/0x76b [ 469.109237] [] ? put_net+0x28/0x28 [ 469.125956] [] ? proc_create_data+0x15b/0x16a [ 469.146994] [] ? rtnl_fdb_dump+0x76b/0x76b [ 469.165598] [] ops_init+0x364/0x3c8 [ 469.182700] [] ? __list_add+0x211/0x249 [ 469.200046] [] ? net_alloc_generic+0x64/0x64 [ 469.221073] [] ? power_down+0x109/0x109 [ 469.240825] [] register_pernet_operations+0x28a/0x3ea [ 469.267446] [] ? unregister_pernet_device+0x73/0x73 [ 469.292795] [] ? mutex_unlock+0x9d/0xce [ 469.312774] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 469.332547] [] register_pernet_subsys+0x2e/0x44 [ 469.358555] [] rtnetlink_init+0x15/0x19a [ 469.379866] [] netlink_proto_init+0x2b7/0x30c [ 469.402477] [] ? tc_action_init+0x5a/0x5a [ 469.422077] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 469.447733] [] ? tc_action_init+0x5a/0x5a [ 469.466994] [] do_one_initcall+0x16d/0x258 [ 469.483561] [] ? initcall_blacklisted+0x198/0x198 [ 469.505456] [] ? up_write+0x8c/0xd9 [ 469.522076] [] ? down_write_trylock+0x100/0x100 [ 469.552945] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 469.587282] [] kernel_init_freeable+0x457/0x518 [ 469.620830] [] kernel_init+0x16/0x181 [ 469.644832] [] ret_from_fork+0x1f/0x40 [ 469.673240] [] ? rest_init+0x8f/0x8f [ 469.702837] ================================================================================ [ 469.742360] ================================================================================ [ 469.779046] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:321:31 [ 469.803576] member access within misaligned address ffff88005cb53578 for type 'const struct bucket_table' [ 469.840700] which requires 64 byte alignment [ 469.853981] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 469.878624] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 469.909987] 00000000ffffffff 00000000b1a89c60 ffff88005c9df808 ffffffffb26ec5cc [ 469.936659] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 469.960276] ffffffff00000010 ffff88005c9df830 ffff88005c9df7e0 ffffffffb363c3e0 [ 469.988474] Call Trace: [ 469.999561] [] dump_stack+0xd7/0x132 [ 470.019321] [] ? arch_local_irq_restore+0x1b/0x1b [ 470.042268] [] ubsan_epilogue+0x12/0x53 [ 470.066062] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 470.089145] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 470.120224] [] ? __local_bh_enable_ip+0x40/0xb3 [ 470.139055] [] netlink_insert+0x413/0xa6d [ 470.155304] [] ? kasan_unpoison_shadow+0x14/0x35 [ 470.177869] [] ? __netlink_dump_start+0x58a/0x58a [ 470.202988] [] ? kasan_unpoison_shadow+0x14/0x35 [ 470.223210] [] ? kasan_kmalloc+0x94/0xa3 [ 470.242125] [] ? __kmalloc+0x2c1/0x2e7 [ 470.264395] [] ? kzalloc+0x26/0x28 [ 470.281929] [] ? put_net+0x28/0x28 [ 470.305568] [] __netlink_kernel_create+0x2ea/0x730 [ 470.339019] [] ? netlink_table_ungrab+0xa6/0xa6 [ 470.372414] [] ? proc_register+0x36e/0x427 [ 470.404108] [] rtnetlink_net_init+0xb2/0x134 [ 470.438037] [] ? rtnl_fdb_dump+0x76b/0x76b [ 470.468978] [] ? put_net+0x28/0x28 [ 470.497030] [] ? proc_create_data+0x15b/0x16a [ 470.526263] [] ? rtnl_fdb_dump+0x76b/0x76b [ 470.561445] [] ops_init+0x364/0x3c8 [ 470.591245] [] ? __list_add+0x211/0x249 [ 470.617403] [] ? net_alloc_generic+0x64/0x64 [ 470.638220] [] ? power_down+0x109/0x109 [ 470.656615] [] register_pernet_operations+0x28a/0x3ea [ 470.679415] [] ? unregister_pernet_device+0x73/0x73 [ 470.702451] [] ? mutex_unlock+0x9d/0xce [ 470.720766] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 470.742658] [] register_pernet_subsys+0x2e/0x44 [ 470.764811] [] rtnetlink_init+0x15/0x19a [ 470.784123] [] netlink_proto_init+0x2b7/0x30c [ 470.810712] [] ? tc_action_init+0x5a/0x5a [ 470.834000] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 470.862458] [] ? tc_action_init+0x5a/0x5a [ 470.886654] [] do_one_initcall+0x16d/0x258 [ 470.908445] [] ? initcall_blacklisted+0x198/0x198 [ 470.928591] [] ? up_write+0x8c/0xd9 [ 470.948248] [] ? down_write_trylock+0x100/0x100 [ 470.971498] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 470.997252] [] kernel_init_freeable+0x457/0x518 [ 471.021323] [] kernel_init+0x16/0x181 [ 471.038576] [] ret_from_fork+0x1f/0x40 [ 471.058233] [] ? rest_init+0x8f/0x8f [ 471.077430] ================================================================================ [ 471.104669] ================================================================================ [ 471.133068] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:595:10 [ 471.161113] member access within misaligned address ffff88005cb53578 for type 'struct bucket_table' [ 471.198125] which requires 64 byte alignment [ 471.209509] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 471.236714] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 471.269516] 00000000ffffffff 00000000b1a89c60 ffff88005c9df808 ffffffffb26ec5cc [ 471.299118] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 471.324765] ffffffff00000010 ffff88005c9df830 ffff88005c9df7e0 ffffffffb363c3e0 [ 471.349817] Call Trace: [ 471.362073] [] dump_stack+0xd7/0x132 [ 471.384000] [] ? arch_local_irq_restore+0x1b/0x1b [ 471.411642] [] ubsan_epilogue+0x12/0x53 [ 471.440223] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 471.476793] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 471.509692] [] ? __local_bh_enable_ip+0x40/0xb3 [ 471.541696] [] netlink_insert+0x451/0xa6d [ 471.566227] [] ? kasan_unpoison_shadow+0x14/0x35 [ 471.589196] [] ? __netlink_dump_start+0x58a/0x58a [ 471.616743] [] ? kasan_unpoison_shadow+0x14/0x35 [ 471.640016] [] ? kasan_kmalloc+0x94/0xa3 [ 471.660954] [] ? __kmalloc+0x2c1/0x2e7 [ 471.681728] [] ? kzalloc+0x26/0x28 [ 471.701642] [] ? put_net+0x28/0x28 [ 471.720672] [] __netlink_kernel_create+0x2ea/0x730 [ 471.743790] [] ? netlink_table_ungrab+0xa6/0xa6 [ 471.764715] [] ? proc_register+0x36e/0x427 [ 471.788165] [] rtnetlink_net_init+0xb2/0x134 [ 471.818157] [] ? rtnl_fdb_dump+0x76b/0x76b [ 471.839355] [] ? put_net+0x28/0x28 [ 471.859730] [] ? proc_create_data+0x15b/0x16a [ 471.882182] [] ? rtnl_fdb_dump+0x76b/0x76b [ 471.908835] [] ops_init+0x364/0x3c8 [ 471.930412] [] ? __list_add+0x211/0x249 [ 471.949868] [] ? net_alloc_generic+0x64/0x64 [ 471.977459] [] ? power_down+0x109/0x109 [ 471.999572] [] register_pernet_operations+0x28a/0x3ea [ 472.024467] [] ? unregister_pernet_device+0x73/0x73 [ 472.051623] [] ? mutex_unlock+0x9d/0xce [ 472.072693] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 472.097770] [] register_pernet_subsys+0x2e/0x44 [ 472.122847] [] rtnetlink_init+0x15/0x19a [ 472.146523] [] netlink_proto_init+0x2b7/0x30c [ 472.171316] [] ? tc_action_init+0x5a/0x5a [ 472.193268] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 472.220921] [] ? tc_action_init+0x5a/0x5a [ 472.244660] [] do_one_initcall+0x16d/0x258 [ 472.269134] [] ? initcall_blacklisted+0x198/0x198 [ 472.295181] [] ? up_write+0x8c/0xd9 [ 472.318447] [] ? down_write_trylock+0x100/0x100 [ 472.340311] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 472.364787] [] kernel_init_freeable+0x457/0x518 [ 472.390376] [] kernel_init+0x16/0x181 [ 472.406750] [] ret_from_fork+0x1f/0x40 [ 472.429090] [] ? rest_init+0x8f/0x8f [ 472.448648] ================================================================================ [ 472.482799] ================================================================================ [ 472.508970] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:289:39 [ 472.540377] member access within misaligned address ffff88005cb53578 for type 'const struct bucket_table' [ 472.582397] which requires 64 byte alignment [ 472.598856] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 472.620946] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 472.655375] 00000000ffffffff 00000000b1a89c60 ffff88005c9df808 ffffffffb26ec5cc [ 472.685158] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 472.714516] ffffffff00000010 ffff88005c9df830 ffff88005c9df7e0 ffffffffb363c3e0 [ 472.742228] Call Trace: [ 472.751115] [] dump_stack+0xd7/0x132 [ 472.770244] [] ? arch_local_irq_restore+0x1b/0x1b [ 472.795999] [] ubsan_epilogue+0x12/0x53 [ 472.816200] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 472.842155] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 472.891508] [] ? __local_bh_enable_ip+0x40/0xb3 [ 472.923414] [] netlink_insert+0x5b2/0xa6d [ 472.950390] [] ? kasan_unpoison_shadow+0x14/0x35 [ 472.982738] [] ? __netlink_dump_start+0x58a/0x58a [ 473.021010] [] ? kasan_unpoison_shadow+0x14/0x35 [ 473.051862] [] ? kasan_kmalloc+0x94/0xa3 [ 473.079225] [] ? __kmalloc+0x2c1/0x2e7 [ 473.106512] [] ? kzalloc+0x26/0x28 [ 473.125017] [] ? put_net+0x28/0x28 [ 473.146494] [] __netlink_kernel_create+0x2ea/0x730 [ 473.175651] [] ? netlink_table_ungrab+0xa6/0xa6 [ 473.202361] [] ? proc_register+0x36e/0x427 [ 473.226650] [] rtnetlink_net_init+0xb2/0x134 [ 473.252977] [] ? rtnl_fdb_dump+0x76b/0x76b [ 473.282432] [] ? put_net+0x28/0x28 [ 473.309797] [] ? proc_create_data+0x15b/0x16a [ 473.340648] [] ? rtnl_fdb_dump+0x76b/0x76b [ 473.367584] [] ops_init+0x364/0x3c8 [ 473.390136] [] ? __list_add+0x211/0x249 [ 473.410057] [] ? net_alloc_generic+0x64/0x64 [ 473.434472] [] ? power_down+0x109/0x109 [ 473.454161] [] register_pernet_operations+0x28a/0x3ea [ 473.476090] [] ? unregister_pernet_device+0x73/0x73 [ 473.501412] [] ? mutex_unlock+0x9d/0xce [ 473.521379] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 473.538956] [] register_pernet_subsys+0x2e/0x44 [ 473.558182] [] rtnetlink_init+0x15/0x19a [ 473.578213] [] netlink_proto_init+0x2b7/0x30c [ 473.595113] [] ? tc_action_init+0x5a/0x5a [ 473.617032] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 473.639284] [] ? tc_action_init+0x5a/0x5a [ 473.658434] [] do_one_initcall+0x16d/0x258 [ 473.680753] [] ? initcall_blacklisted+0x198/0x198 [ 473.701207] [] ? up_write+0x8c/0xd9 [ 473.721820] [] ? down_write_trylock+0x100/0x100 [ 473.743213] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 473.767481] [] kernel_init_freeable+0x457/0x518 [ 473.790853] [] kernel_init+0x16/0x181 [ 473.813545] [] ret_from_fork+0x1f/0x40 [ 473.832431] [] ? rest_init+0x8f/0x8f [ 473.856624] ================================================================================ [ 473.889897] ================================================================================ [ 473.920401] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:629:2 [ 473.945572] member access within misaligned address ffff88005cb53578 for type 'struct bucket_table' [ 473.984868] which requires 64 byte alignment [ 474.006570] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 474.033401] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 474.070424] 00000000ffffffff 00000000b1a89c60 ffff88005c9df808 ffffffffb26ec5cc [ 474.106234] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 474.134906] ffffffff00000010 ffff88005c9df830 ffff88005c9df7e0 ffffffffb363c3e0 [ 474.166998] Call Trace: [ 474.176294] [] dump_stack+0xd7/0x132 [ 474.193807] [] ? arch_local_irq_restore+0x1b/0x1b [ 474.215707] [] ubsan_epilogue+0x12/0x53 [ 474.237502] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 474.262122] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 474.284308] [] ? __local_bh_enable_ip+0x40/0xb3 [ 474.304641] [] netlink_insert+0x725/0xa6d [ 474.326943] [] ? __netlink_dump_start+0x58a/0x58a [ 474.349801] [] ? kasan_unpoison_shadow+0x14/0x35 [ 474.372955] [] ? kasan_kmalloc+0x94/0xa3 [ 474.392716] [] ? __kmalloc+0x2c1/0x2e7 [ 474.407945] [] ? kzalloc+0x26/0x28 [ 474.427405] [] ? put_net+0x28/0x28 [ 474.445590] [] __netlink_kernel_create+0x2ea/0x730 [ 474.469000] [] ? netlink_table_ungrab+0xa6/0xa6 [ 474.490669] [] ? proc_register+0x36e/0x427 [ 474.510234] [] rtnetlink_net_init+0xb2/0x134 [ 474.535171] [] ? rtnl_fdb_dump+0x76b/0x76b [ 474.553215] [] ? put_net+0x28/0x28 [ 474.570070] [] ? proc_create_data+0x15b/0x16a [ 474.592372] [] ? rtnl_fdb_dump+0x76b/0x76b [ 474.610385] [] ops_init+0x364/0x3c8 [ 474.629141] [] ? __list_add+0x211/0x249 [ 474.648702] [] ? net_alloc_generic+0x64/0x64 [ 474.670515] [] ? power_down+0x109/0x109 [ 474.688649] [] register_pernet_operations+0x28a/0x3ea [ 474.712831] [] ? unregister_pernet_device+0x73/0x73 [ 474.740954] [] ? mutex_unlock+0x9d/0xce [ 474.762859] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 474.781054] [] register_pernet_subsys+0x2e/0x44 [ 474.801692] [] rtnetlink_init+0x15/0x19a [ 474.820974] [] netlink_proto_init+0x2b7/0x30c [ 474.844321] [] ? tc_action_init+0x5a/0x5a [ 474.865082] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 474.892399] [] ? tc_action_init+0x5a/0x5a [ 474.914544] [] do_one_initcall+0x16d/0x258 [ 474.937653] [] ? initcall_blacklisted+0x198/0x198 [ 474.962155] [] ? up_write+0x8c/0xd9 [ 474.983416] [] ? down_write_trylock+0x100/0x100 [ 475.007188] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 475.038522] [] kernel_init_freeable+0x457/0x518 [ 475.062178] [] kernel_init+0x16/0x181 [ 475.087572] [] ret_from_fork+0x1f/0x40 [ 475.110381] [] ? rest_init+0x8f/0x8f [ 475.127807] ================================================================================ [ 475.161896] ================================================================================ [ 475.199437] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:641:9 [ 475.224553] member access within misaligned address ffff88005cb53578 for type 'struct bucket_table' [ 475.259038] which requires 64 byte alignment [ 475.275879] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 475.299966] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 475.330601] 00000000ffffffff 00000000b1a89c60 ffff88005c9df808 ffffffffb26ec5cc [ 475.357031] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 475.385151] ffffffff00000010 ffff88005c9df830 ffff88005c9df7e0 ffffffffb363c3e0 [ 475.412295] Call Trace: [ 475.420925] [] dump_stack+0xd7/0x132 [ 475.438142] [] ? arch_local_irq_restore+0x1b/0x1b [ 475.459998] [] ubsan_epilogue+0x12/0x53 [ 475.481759] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 475.503018] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 475.525953] [] ? __local_bh_enable_ip+0x40/0xb3 [ 475.546490] [] netlink_insert+0x806/0xa6d [ 475.568142] [] ? __netlink_dump_start+0x58a/0x58a [ 475.591433] [] ? kasan_unpoison_shadow+0x14/0x35 [ 475.616673] [] ? kasan_kmalloc+0x94/0xa3 [ 475.636704] [] ? __kmalloc+0x2c1/0x2e7 [ 475.651968] [] ? kzalloc+0x26/0x28 [ 475.672493] [] ? put_net+0x28/0x28 [ 475.688927] [] __netlink_kernel_create+0x2ea/0x730 [ 475.709632] [] ? netlink_table_ungrab+0xa6/0xa6 [ 475.729311] [] ? proc_register+0x36e/0x427 [ 475.752425] [] rtnetlink_net_init+0xb2/0x134 [ 475.769126] [] ? rtnl_fdb_dump+0x76b/0x76b [ 475.794164] [] ? put_net+0x28/0x28 [ 475.812021] [] ? proc_create_data+0x15b/0x16a [ 475.832863] [] ? rtnl_fdb_dump+0x76b/0x76b [ 475.851710] [] ops_init+0x364/0x3c8 [ 475.868210] [] ? __list_add+0x211/0x249 [ 475.885764] [] ? net_alloc_generic+0x64/0x64 [ 475.903936] [] ? power_down+0x109/0x109 [ 475.922928] [] register_pernet_operations+0x28a/0x3ea [ 475.946151] [] ? unregister_pernet_device+0x73/0x73 [ 475.970170] [] ? mutex_unlock+0x9d/0xce [ 475.986466] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 476.003731] [] register_pernet_subsys+0x2e/0x44 [ 476.025030] [] rtnetlink_init+0x15/0x19a [ 476.044102] [] netlink_proto_init+0x2b7/0x30c [ 476.062828] [] ? tc_action_init+0x5a/0x5a [ 476.080594] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 476.103469] [] ? tc_action_init+0x5a/0x5a [ 476.121115] [] do_one_initcall+0x16d/0x258 [ 476.140570] [] ? initcall_blacklisted+0x198/0x198 [ 476.160484] [] ? up_write+0x8c/0xd9 [ 476.178282] [] ? down_write_trylock+0x100/0x100 [ 476.200098] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 476.225502] [] kernel_init_freeable+0x457/0x518 [ 476.246202] [] kernel_init+0x16/0x181 [ 476.265471] [] ret_from_fork+0x1f/0x40 [ 476.284083] [] ? rest_init+0x8f/0x8f [ 476.301334] ================================================================================ [ 476.329433] ================================================================================ [ 476.357209] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:264:40 [ 476.379778] member access within misaligned address ffff88005cb53578 for type 'const struct bucket_table' [ 476.417071] which requires 64 byte alignment [ 476.429037] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 476.450930] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 476.487745] 00000000ffffffff 00000000b1a89c60 ffff88005c9df808 ffffffffb26ec5cc [ 476.507363] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 476.540135] ffffffff00000010 ffff88005c9df830 ffff88005c9df7e0 ffffffffb363c3e0 [ 476.564259] Call Trace: [ 476.572332] [] dump_stack+0xd7/0x132 [ 476.590387] [] ? arch_local_irq_restore+0x1b/0x1b [ 476.613776] [] ubsan_epilogue+0x12/0x53 [ 476.632809] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 476.655669] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 476.679212] [] ? __local_bh_enable_ip+0x40/0xb3 [ 476.700395] [] netlink_insert+0x8da/0xa6d [ 476.720256] [] ? __netlink_dump_start+0x58a/0x58a [ 476.742985] [] ? kasan_unpoison_shadow+0x14/0x35 [ 476.765366] [] ? kasan_kmalloc+0x94/0xa3 [ 476.784843] [] ? __kmalloc+0x2c1/0x2e7 [ 476.800005] [] ? kzalloc+0x26/0x28 [ 476.818575] [] ? put_net+0x28/0x28 [ 476.835985] [] __netlink_kernel_create+0x2ea/0x730 [ 476.858215] [] ? netlink_table_ungrab+0xa6/0xa6 [ 476.877647] [] ? proc_register+0x36e/0x427 [ 476.898406] [] rtnetlink_net_init+0xb2/0x134 [ 476.918553] [] ? rtnl_fdb_dump+0x76b/0x76b [ 476.937723] [] ? put_net+0x28/0x28 [ 476.956906] [] ? proc_create_data+0x15b/0x16a [ 476.978411] [] ? rtnl_fdb_dump+0x76b/0x76b [ 476.996783] [] ops_init+0x364/0x3c8 [ 477.012545] [] ? __list_add+0x211/0x249 [ 477.031556] [] ? net_alloc_generic+0x64/0x64 [ 477.052804] [] ? power_down+0x109/0x109 [ 477.071210] [] register_pernet_operations+0x28a/0x3ea [ 477.092245] [] ? unregister_pernet_device+0x73/0x73 [ 477.115239] [] ? mutex_unlock+0x9d/0xce [ 477.136089] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 477.154454] [] register_pernet_subsys+0x2e/0x44 [ 477.172740] [] rtnetlink_init+0x15/0x19a [ 477.195409] [] netlink_proto_init+0x2b7/0x30c [ 477.219558] [] ? tc_action_init+0x5a/0x5a [ 477.240787] [] ? skb_flow_dissector_init+0x2a8/0x2b4 [ 477.262770] [] ? tc_action_init+0x5a/0x5a [ 477.281794] [] do_one_initcall+0x16d/0x258 [ 477.298980] [] ? initcall_blacklisted+0x198/0x198 [ 477.322530] [] ? up_write+0x8c/0xd9 [ 477.338825] [] ? down_write_trylock+0x100/0x100 [ 477.359533] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 477.380097] [] kernel_init_freeable+0x457/0x518 [ 477.399534] [] kernel_init+0x16/0x181 [ 477.416906] [] ret_from_fork+0x1f/0x40 [ 477.432221] [] ? rest_init+0x8f/0x8f [ 477.452200] ================================================================================ [ 478.122221] cpuidle: using governor ladder [ 478.155073] cpuidle: using governor menu [ 478.170626] PCCT header not found. [ 478.184618] ================================================================================ [ 478.213773] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 478.237687] load of misaligned address ffffffffb77ce744 for type 'volatile const long unsigned int' [ 478.267227] which requires 8 byte alignment [ 478.279830] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 478.301373] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 478.335844] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd30 ffffffffb26ec5cc [ 478.358641] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 478.386326] ffffffff00000010 ffff88005c9dfd58 ffff88005c9dfd08 ffffffffb363c3e0 [ 478.407673] Call Trace: [ 478.418536] [] dump_stack+0xd7/0x132 [ 478.436249] [] ? arch_local_irq_restore+0x1b/0x1b [ 478.456343] [] ubsan_epilogue+0x12/0x53 [ 478.477108] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 478.503526] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 478.527096] [] ? parse_args+0x7f3/0x8d3 [ 478.547011] [] ? intel_pmu_init+0x1e8b/0x1e8b [ 478.567746] [] bts_init+0x2d/0x101 [ 478.587144] [] ? do_early_param+0x133/0x133 [ 478.609111] [] do_one_initcall+0x16d/0x258 [ 478.632092] [] ? initcall_blacklisted+0x198/0x198 [ 478.651429] [] ? up_write+0x8c/0xd9 [ 478.670168] [] ? down_write_trylock+0x100/0x100 [ 478.693262] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 478.713202] [] kernel_init_freeable+0x457/0x518 [ 478.736110] [] kernel_init+0x16/0x181 [ 478.750221] [] ret_from_fork+0x1f/0x40 [ 478.769612] [] ? rest_init+0x8f/0x8f [ 478.788029] ================================================================================ [ 478.816229] ================================================================================ [ 478.841729] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 478.866898] load of misaligned address ffffffffb77ce74c for type 'volatile const long unsigned int' [ 478.899172] which requires 8 byte alignment [ 478.913192] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 478.933628] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 478.966047] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfba0 ffffffffb26ec5cc [ 478.997707] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 479.022780] ffffffff00000010 ffff88005c9dfbc8 ffff88005c9dfb78 ffffffffb363c3e0 [ 479.047305] Call Trace: [ 479.057219] [] dump_stack+0xd7/0x132 [ 479.078130] [] ? arch_local_irq_restore+0x1b/0x1b [ 479.096663] [] ubsan_epilogue+0x12/0x53 [ 479.113966] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 479.138425] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 479.165640] [] pt_init+0xd8/0x6d5 [ 479.184202] [] ? p6_pmu_init+0x2c3/0x2c3 [ 479.207780] [] ? initcall_blacklisted+0x156/0x198 [ 479.236027] [] ? try_to_run_init_process+0x48/0x48 [ 479.258039] [] ? ubsan_epilogue+0x26/0x53 [ 479.273573] [] ? arch_local_irq_restore+0x6/0xd [ 479.296095] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 479.319278] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 479.340092] [] ? parse_args+0x7f3/0x8d3 [ 479.359304] [] ? p6_pmu_init+0x2c3/0x2c3 [ 479.377196] [] do_one_initcall+0x16d/0x258 [ 479.398009] [] ? initcall_blacklisted+0x198/0x198 [ 479.420094] [] ? up_write+0x8c/0xd9 [ 479.439318] [] ? down_write_trylock+0x100/0x100 [ 479.458828] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 479.483758] [] kernel_init_freeable+0x457/0x518 [ 479.510581] [] kernel_init+0x16/0x181 [ 479.532928] [] ret_from_fork+0x1f/0x40 [ 479.553057] [] ? rest_init+0x8f/0x8f [ 479.568318] ================================================================================ [ 479.596612] ================================================================================ [ 479.622791] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 479.647276] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 479.679758] which requires 8 byte alignment [ 479.693007] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 479.711247] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 479.743741] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd30 ffffffffb26ec5cc [ 479.769677] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 479.797175] 0000000000000010 ffff88005c9dfd58 ffff88005c9dfd08 ffffffffb363c3e0 [ 479.821253] Call Trace: [ 479.828549] [] dump_stack+0xd7/0x132 [ 479.846096] [] ? arch_local_irq_restore+0x1b/0x1b [ 479.866421] [] ubsan_epilogue+0x12/0x53 [ 479.887036] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 479.907429] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 479.930102] [] ? mtrr_bp_init+0x3b3/0x3b3 [ 479.949146] [] mtrr_if_init+0x2d/0x133 [ 479.968262] [] ? mtrr_bp_init+0x3b3/0x3b3 [ 479.988404] [] do_one_initcall+0x16d/0x258 [ 480.005689] [] ? initcall_blacklisted+0x198/0x198 [ 480.025251] [] ? up_write+0x8c/0xd9 [ 480.042271] [] ? down_write_trylock+0x100/0x100 [ 480.061243] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 480.082837] [] kernel_init_freeable+0x457/0x518 [ 480.106187] [] kernel_init+0x16/0x181 [ 480.124420] [] ret_from_fork+0x1f/0x40 [ 480.145672] [] ? rest_init+0x8f/0x8f [ 480.164072] ================================================================================ [ 480.199692] ================================================================================ [ 480.234163] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 480.264651] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 480.298746] which requires 8 byte alignment [ 480.312679] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 480.331619] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 480.365402] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd38 ffffffffb26ec5cc [ 480.394599] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 480.421310] 0000000000000010 ffff88005c9dfd60 ffff88005c9dfd10 ffffffffb363c3e0 [ 480.446561] Call Trace: [ 480.457318] [] dump_stack+0xd7/0x132 [ 480.477207] [] ? arch_local_irq_restore+0x1b/0x1b [ 480.495938] [] ubsan_epilogue+0x12/0x53 [ 480.517158] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 480.540332] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 480.561671] [] ? setup_hugepagesz+0xc8/0xc8 [ 480.581694] [] gigantic_pages_init+0x2c/0x77 [ 480.600444] [] do_one_initcall+0x16d/0x258 [ 480.618910] [] ? initcall_blacklisted+0x198/0x198 [ 480.640312] [] ? up_write+0x8c/0xd9 [ 480.655903] [] ? down_write_trylock+0x100/0x100 [ 480.673008] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 480.698589] [] kernel_init_freeable+0x457/0x518 [ 480.719977] [] kernel_init+0x16/0x181 [ 480.740254] [] ret_from_fork+0x1f/0x40 [ 480.762185] [] ? rest_init+0x8f/0x8f [ 480.778815] ================================================================================ [ 480.808461] ACPI: bus type PCI registered [ 480.821579] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 480.846932] PCI: Using configuration type 1 for base access [ 483.162498] ================================================================================ [ 483.194196] UBSAN: Undefined behaviour in kernel/workqueue.c:5205:6 [ 483.213918] member access within misaligned address ffff88005c707588 for type 'struct workqueue_struct' [ 483.244637] which requires 64 byte alignment [ 483.259337] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 483.276803] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 483.308257] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb38 ffffffffb26ec5cc [ 483.334091] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 483.358478] 0000000000000010 ffff88005c9dfb60 ffff88005c9dfb10 ffffffffb363c3e0 [ 483.382823] Call Trace: [ 483.397665] [] dump_stack+0xd7/0x132 [ 483.412697] [] ? arch_local_irq_restore+0x1b/0x1b [ 483.431659] [] ubsan_epilogue+0x12/0x53 [ 483.451746] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 483.477957] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 483.502053] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 483.523723] [] ? do_set_cpus_allowed+0x1a8/0x21f [ 483.544074] [] workqueue_sysfs_register+0x38/0x305 [ 483.566443] [] __alloc_workqueue_key+0xad7/0xbf8 [ 483.586021] [] ? native_x2apic_icr_write+0x1e/0x20 [ 483.607079] [] ? x2apic_send_IPI+0xb3/0xba [ 483.624121] [] ? workqueue_sysfs_register+0x305/0x305 [ 483.646581] [] ? cpus_share_cache+0x125/0x125 [ 483.665990] [] ? notifier_chain_register+0x1b1/0x1eb [ 483.685735] [] default_bdi_init+0x27/0x50 [ 483.706016] [] ? bdi_class_init+0x88/0x88 [ 483.724132] [] do_one_initcall+0x16d/0x258 [ 483.744327] [] ? initcall_blacklisted+0x198/0x198 [ 483.764012] [] ? up_write+0x8c/0xd9 [ 483.780006] [] ? down_write_trylock+0x100/0x100 [ 483.802741] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 483.826660] [] kernel_init_freeable+0x457/0x518 [ 483.847247] [] kernel_init+0x16/0x181 [ 483.865023] [] ret_from_fork+0x1f/0x40 [ 483.881721] [] ? rest_init+0x8f/0x8f [ 483.900828] ================================================================================ [ 483.926704] ================================================================================ [ 483.953280] UBSAN: Undefined behaviour in kernel/workqueue.c:5208:13 [ 483.977214] member access within misaligned address ffff88005c707588 for type 'struct workqueue_struct' [ 484.007949] which requires 64 byte alignment [ 484.022208] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 484.041905] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 484.077357] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb38 ffffffffb26ec5cc [ 484.102569] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 484.128957] 0000000000000010 ffff88005c9dfb60 ffff88005c9dfb10 ffffffffb363c3e0 [ 484.151718] Call Trace: [ 484.160990] [] dump_stack+0xd7/0x132 [ 484.180725] [] ? arch_local_irq_restore+0x1b/0x1b [ 484.199818] [] ubsan_epilogue+0x12/0x53 [ 484.217346] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 484.239596] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 484.263346] [] workqueue_sysfs_register+0xa5/0x305 [ 484.288451] [] __alloc_workqueue_key+0xad7/0xbf8 [ 484.306802] [] ? native_x2apic_icr_write+0x1e/0x20 [ 484.327804] [] ? x2apic_send_IPI+0xb3/0xba [ 484.348606] [] ? workqueue_sysfs_register+0x305/0x305 [ 484.378978] [] ? cpus_share_cache+0x125/0x125 [ 484.397599] [] ? notifier_chain_register+0x1b1/0x1eb [ 484.419880] [] default_bdi_init+0x27/0x50 [ 484.439804] [] ? bdi_class_init+0x88/0x88 [ 484.458206] [] do_one_initcall+0x16d/0x258 [ 484.479318] [] ? initcall_blacklisted+0x198/0x198 [ 484.499416] [] ? up_write+0x8c/0xd9 [ 484.514914] [] ? down_write_trylock+0x100/0x100 [ 484.535551] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 484.557452] [] kernel_init_freeable+0x457/0x518 [ 484.580809] [] kernel_init+0x16/0x181 [ 484.596187] [] ret_from_fork+0x1f/0x40 [ 484.613045] [] ? rest_init+0x8f/0x8f [ 484.631759] ================================================================================ [ 484.660165] ================================================================================ [ 484.687319] UBSAN: Undefined behaviour in kernel/workqueue.c:5230:8 [ 484.704876] member access within misaligned address ffff88005c707588 for type 'struct workqueue_struct' [ 484.737639] which requires 64 byte alignment [ 484.753148] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 484.775983] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 484.809578] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb38 ffffffffb26ec5cc [ 484.832459] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 484.855487] 0000000000000010 ffff88005c9dfb60 ffff88005c9dfb10 ffffffffb363c3e0 [ 484.879954] Call Trace: [ 484.887430] [] dump_stack+0xd7/0x132 [ 484.905826] [] ? arch_local_irq_restore+0x1b/0x1b [ 484.926185] [] ubsan_epilogue+0x12/0x53 [ 484.941797] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 484.962298] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 484.986321] [] workqueue_sysfs_register+0x210/0x305 [ 485.007331] [] __alloc_workqueue_key+0xad7/0xbf8 [ 485.031134] [] ? native_x2apic_icr_write+0x1e/0x20 [ 485.048371] [] ? x2apic_send_IPI+0xb3/0xba [ 485.071789] [] ? workqueue_sysfs_register+0x305/0x305 [ 485.093937] [] ? cpus_share_cache+0x125/0x125 [ 485.115242] [] ? notifier_chain_register+0x1b1/0x1eb [ 485.135232] [] default_bdi_init+0x27/0x50 [ 485.151838] [] ? bdi_class_init+0x88/0x88 [ 485.169898] [] do_one_initcall+0x16d/0x258 [ 485.188872] [] ? initcall_blacklisted+0x198/0x198 [ 485.209574] [] ? up_write+0x8c/0xd9 [ 485.222659] [] ? down_write_trylock+0x100/0x100 [ 485.242026] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 485.264080] [] kernel_init_freeable+0x457/0x518 [ 485.283889] [] kernel_init+0x16/0x181 [ 485.301446] [] ret_from_fork+0x1f/0x40 [ 485.319605] [] ? rest_init+0x8f/0x8f [ 485.337784] ================================================================================ [ 485.383087] ================================================================================ [ 485.410179] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 485.437388] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 485.465952] which requires 8 byte alignment [ 485.486732] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 485.506641] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 485.536222] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc80 ffffffffb26ec5cc [ 485.559838] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 485.586479] ffff880000000010 ffff88005c9dfca8 ffff88005c9dfc58 ffffffffb363c3e0 [ 485.613736] Call Trace: [ 485.622162] [] dump_stack+0xd7/0x132 [ 485.642708] [] ? arch_local_irq_restore+0x1b/0x1b [ 485.662909] [] ubsan_epilogue+0x12/0x53 [ 485.677655] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 485.702286] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 485.725593] [] ? hugetlb_add_hstate+0x3f1/0x3f1 [ 485.744730] [] hugetlb_init+0x9c/0x8df [ 485.763559] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 485.783379] [] ? hugetlb_add_hstate+0x3f1/0x3f1 [ 485.803639] [] ? cpu_maps_update_done+0x1a/0x1c [ 485.832689] [] ? hugetlb_add_hstate+0x3f1/0x3f1 [ 485.859171] [] do_one_initcall+0x16d/0x258 [ 485.882321] [] ? initcall_blacklisted+0x198/0x198 [ 485.904115] [] ? up_write+0x8c/0xd9 [ 485.924662] [] ? down_write_trylock+0x100/0x100 [ 485.944969] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 485.966786] [] kernel_init_freeable+0x457/0x518 [ 485.988136] [] kernel_init+0x16/0x181 [ 486.004794] [] ret_from_fork+0x1f/0x40 [ 486.026197] [] ? rest_init+0x8f/0x8f [ 486.042325] ================================================================================ [ 486.078092] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 486.106046] ================================================================================ [ 486.137344] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 486.159224] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 486.188078] which requires 8 byte alignment [ 486.203705] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 486.224290] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 486.258055] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfcc0 ffffffffb26ec5cc [ 486.282744] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 486.311360] ffff880000000010 ffff88005c9dfce8 ffff88005c9dfc98 ffffffffb363c3e0 [ 486.339511] Call Trace: [ 486.345740] [] dump_stack+0xd7/0x132 [ 486.364726] [] ? arch_local_irq_restore+0x1b/0x1b [ 486.383900] [] ubsan_epilogue+0x12/0x53 [ 486.401313] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 486.428630] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 486.456991] [] ? kernfs_put+0x4e0/0x4ef [ 486.473108] [] ? sysfs_add_file_mode_ns+0x42b/0x43d [ 486.493729] [] ? split_huge_pages_debugfs+0x44/0x44 [ 486.515992] [] hugepage_init+0x7e/0x28d [ 486.532166] [] ? split_huge_pages_debugfs+0x44/0x44 [ 486.555415] [] ? mmu_notifier_init+0x17/0x17 [ 486.571722] [] ? split_huge_pages_debugfs+0x44/0x44 [ 486.595214] [] do_one_initcall+0x16d/0x258 [ 486.612661] [] ? initcall_blacklisted+0x198/0x198 [ 486.635828] [] ? up_write+0x8c/0xd9 [ 486.649697] [] ? down_write_trylock+0x100/0x100 [ 486.674925] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 486.697628] [] kernel_init_freeable+0x457/0x518 [ 486.716396] [] kernel_init+0x16/0x181 [ 486.732515] [] ret_from_fork+0x1f/0x40 [ 486.749285] [] ? rest_init+0x8f/0x8f [ 486.766570] ================================================================================ [ 486.841593] ACPI: Added _OSI(Module Device) [ 486.856285] ACPI: Added _OSI(Processor Device) [ 486.868786] ACPI: Added _OSI(3.0 _SCP Extensions) [ 486.884118] ACPI: Added _OSI(Processor Aggregator Device) [ 486.908353] ================================================================================ [ 486.937567] UBSAN: Undefined behaviour in kernel/irq/settings.h:97:15 [ 486.956994] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 486.983916] which requires 64 byte alignment [ 486.996979] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 487.016770] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 487.045779] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab0 ffffffffb26ec5cc [ 487.073582] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 487.100893] 0000000000000010 ffff88005c9dfad8 ffff88005c9dfa88 ffffffffb363c3e0 [ 487.127307] Call Trace: [ 487.137675] [] dump_stack+0xd7/0x132 [ 487.152641] [] ? arch_local_irq_restore+0x1b/0x1b [ 487.175848] [] ubsan_epilogue+0x12/0x53 [ 487.194631] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 487.215770] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 487.239076] [] ? acpi_gsi_to_irq+0x14b/0x18b [ 487.256265] [] ? acpi_os_execute_deferred+0x79/0x79 [ 487.276844] [] ? acpi_os_execute_deferred+0x79/0x79 [ 487.296060] [] request_threaded_irq+0xba/0x2b9 [ 487.314725] [] ? acpi_os_execute_deferred+0x79/0x79 [ 487.338872] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 487.360203] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 487.382203] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 487.404013] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 487.431276] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 487.455797] [] acpi_ev_install_sci_handler+0x49/0x4c [ 487.476388] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 487.496876] [] acpi_enable_subsystem+0xd5/0xe6 [ 487.514996] [] ? acpi_init+0x133/0x569 [ 487.531050] [] acpi_init+0x16a/0x569 [ 487.547759] [] ? acpi_sleep_proc_init+0x39/0x39 [ 487.567432] [] ? __class_register+0x48b/0x50b [ 487.587710] [] ? class_destroy+0x3a/0x3a [ 487.607179] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 487.625728] [] ? __class_create+0x40/0xc7 [ 487.643364] [] ? acpi_sleep_proc_init+0x39/0x39 [ 487.662598] [] do_one_initcall+0x16d/0x258 [ 487.683616] [] ? initcall_blacklisted+0x198/0x198 [ 487.704815] [] ? up_write+0x8c/0xd9 [ 487.720926] [] ? down_write_trylock+0x100/0x100 [ 487.740605] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 487.761858] [] kernel_init_freeable+0x457/0x518 [ 487.781045] [] kernel_init+0x16/0x181 [ 487.800479] [] ret_from_fork+0x1f/0x40 [ 487.817729] [] ? rest_init+0x8f/0x8f [ 487.836019] ================================================================================ [ 487.862530] ================================================================================ [ 487.889677] UBSAN: Undefined behaviour in kernel/irq/settings.h:50:13 [ 487.911498] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 487.939810] which requires 64 byte alignment [ 487.955664] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 487.977121] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 488.007510] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab0 ffffffffb26ec5cc [ 488.031828] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 488.055906] ffff880000000010 ffff88005c9dfad8 ffff88005c9dfa88 ffffffffb363c3e0 [ 488.081809] Call Trace: [ 488.088956] [] dump_stack+0xd7/0x132 [ 488.105832] [] ? arch_local_irq_restore+0x1b/0x1b [ 488.126605] [] ubsan_epilogue+0x12/0x53 [ 488.144928] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 488.166059] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 488.192510] [] ? acpi_gsi_to_irq+0x14b/0x18b [ 488.210977] [] ? acpi_os_execute_deferred+0x79/0x79 [ 488.233330] [] ? acpi_os_execute_deferred+0x79/0x79 [ 488.252747] [] request_threaded_irq+0xf4/0x2b9 [ 488.276878] [] ? acpi_os_execute_deferred+0x79/0x79 [ 488.299688] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 488.316862] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 488.340054] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 488.361702] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 488.383938] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 488.408620] [] acpi_ev_install_sci_handler+0x49/0x4c [ 488.431422] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 488.457834] [] acpi_enable_subsystem+0xd5/0xe6 [ 488.477495] [] ? acpi_init+0x133/0x569 [ 488.496504] [] acpi_init+0x16a/0x569 [ 488.517870] [] ? acpi_sleep_proc_init+0x39/0x39 [ 488.539680] [] ? __class_register+0x48b/0x50b [ 488.564220] [] ? class_destroy+0x3a/0x3a [ 488.582306] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 488.606930] [] ? __class_create+0x40/0xc7 [ 488.626943] [] ? acpi_sleep_proc_init+0x39/0x39 [ 488.646679] [] do_one_initcall+0x16d/0x258 [ 488.667820] [] ? initcall_blacklisted+0x198/0x198 [ 488.690747] [] ? up_write+0x8c/0xd9 [ 488.708083] [] ? down_write_trylock+0x100/0x100 [ 488.728257] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 488.749150] [] kernel_init_freeable+0x457/0x518 [ 488.775081] [] kernel_init+0x16/0x181 [ 488.791245] [] ret_from_fork+0x1f/0x40 [ 488.806291] [] ? rest_init+0x8f/0x8f [ 488.824764] ================================================================================ [ 488.854627] ================================================================================ [ 488.881577] UBSAN: Undefined behaviour in kernel/irq/manage.c:1683:18 [ 488.901903] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 488.933518] which requires 64 byte alignment [ 488.945351] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 488.965949] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 488.997194] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab0 ffffffffb26ec5cc [ 489.022452] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 489.047092] ffff880000000010 ffff88005c9dfad8 ffff88005c9dfa88 ffffffffb363c3e0 [ 489.072061] Call Trace: [ 489.083083] [] dump_stack+0xd7/0x132 [ 489.099448] [] ? arch_local_irq_restore+0x1b/0x1b [ 489.121426] [] ubsan_epilogue+0x12/0x53 [ 489.139036] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 489.159758] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 489.185340] [] ? kzalloc.constprop.9+0x2b/0x2d [ 489.205225] [] ? acpi_os_execute_deferred+0x79/0x79 [ 489.225714] [] request_threaded_irq+0x16d/0x2b9 [ 489.245914] [] ? acpi_os_execute_deferred+0x79/0x79 [ 489.266195] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 489.287728] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 489.313309] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 489.335267] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 489.359728] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 489.379762] [] acpi_ev_install_sci_handler+0x49/0x4c [ 489.402480] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 489.425621] [] acpi_enable_subsystem+0xd5/0xe6 [ 489.445017] [] ? acpi_init+0x133/0x569 [ 489.462920] [] acpi_init+0x16a/0x569 [ 489.481062] [] ? acpi_sleep_proc_init+0x39/0x39 [ 489.500400] [] ? __class_register+0x48b/0x50b [ 489.519415] [] ? class_destroy+0x3a/0x3a [ 489.537481] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 489.559323] [] ? __class_create+0x40/0xc7 [ 489.577592] [] ? acpi_sleep_proc_init+0x39/0x39 [ 489.598907] [] do_one_initcall+0x16d/0x258 [ 489.619138] [] ? initcall_blacklisted+0x198/0x198 [ 489.639773] [] ? up_write+0x8c/0xd9 [ 489.657108] [] ? down_write_trylock+0x100/0x100 [ 489.677841] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 489.700938] [] kernel_init_freeable+0x457/0x518 [ 489.721298] [] kernel_init+0x16/0x181 [ 489.738283] [] ret_from_fork+0x1f/0x40 [ 489.756490] [] ? rest_init+0x8f/0x8f [ 489.777821] ================================================================================ [ 489.805655] ================================================================================ [ 489.831443] UBSAN: Undefined behaviour in kernel/irq/manage.c:1684:20 [ 489.852414] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 489.881897] which requires 64 byte alignment [ 489.898356] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 489.918408] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 489.948535] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab0 ffffffffb26ec5cc [ 489.973807] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 489.999966] ffff880000000010 ffff88005c9dfad8 ffff88005c9dfa88 ffffffffb363c3e0 [ 490.028072] Call Trace: [ 490.037682] [] dump_stack+0xd7/0x132 [ 490.056252] [] ? arch_local_irq_restore+0x1b/0x1b [ 490.073025] [] ubsan_epilogue+0x12/0x53 [ 490.093121] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 490.119274] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 490.142651] [] ? kzalloc.constprop.9+0x2b/0x2d [ 490.162638] [] ? acpi_os_execute_deferred+0x79/0x79 [ 490.183883] [] request_threaded_irq+0x191/0x2b9 [ 490.202909] [] ? acpi_os_execute_deferred+0x79/0x79 [ 490.223769] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 490.244412] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 490.268301] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 490.291068] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 490.314552] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 490.336788] [] acpi_ev_install_sci_handler+0x49/0x4c [ 490.360230] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 490.382219] [] acpi_enable_subsystem+0xd5/0xe6 [ 490.402135] [] ? acpi_init+0x133/0x569 [ 490.422376] [] acpi_init+0x16a/0x569 [ 490.438247] [] ? acpi_sleep_proc_init+0x39/0x39 [ 490.460178] [] ? __class_register+0x48b/0x50b [ 490.480517] [] ? class_destroy+0x3a/0x3a [ 490.497870] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 490.520070] [] ? __class_create+0x40/0xc7 [ 490.540309] [] ? acpi_sleep_proc_init+0x39/0x39 [ 490.562022] [] do_one_initcall+0x16d/0x258 [ 490.584500] [] ? initcall_blacklisted+0x198/0x198 [ 490.606942] [] ? up_write+0x8c/0xd9 [ 490.625618] [] ? down_write_trylock+0x100/0x100 [ 490.650672] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 490.677856] [] kernel_init_freeable+0x457/0x518 [ 490.702768] [] kernel_init+0x16/0x181 [ 490.736786] [] ret_from_fork+0x1f/0x40 [ 490.755365] [] ? rest_init+0x8f/0x8f [ 490.776717] ================================================================================ [ 490.803215] ================================================================================ [ 490.828161] UBSAN: Undefined behaviour in kernel/irq/manage.c:1685:16 [ 490.847558] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 490.877931] which requires 64 byte alignment [ 490.891888] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 490.912272] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 490.945864] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab0 ffffffffb26ec5cc [ 490.971332] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 490.999318] ffff880000000010 ffff88005c9dfad8 ffff88005c9dfa88 ffffffffb363c3e0 [ 491.025649] Call Trace: [ 491.036430] [] dump_stack+0xd7/0x132 [ 491.052513] [] ? arch_local_irq_restore+0x1b/0x1b [ 491.076276] [] ubsan_epilogue+0x12/0x53 [ 491.098988] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 491.129725] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 491.161747] [] ? kzalloc.constprop.9+0x2b/0x2d [ 491.186008] [] ? acpi_os_execute_deferred+0x79/0x79 [ 491.211693] [] request_threaded_irq+0x1bb/0x2b9 [ 491.240258] [] ? acpi_os_execute_deferred+0x79/0x79 [ 491.264905] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 491.291013] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 491.315789] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 491.336734] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 491.360723] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 491.380666] [] acpi_ev_install_sci_handler+0x49/0x4c [ 491.402686] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 491.426663] [] acpi_enable_subsystem+0xd5/0xe6 [ 491.443408] [] ? acpi_init+0x133/0x569 [ 491.463517] [] acpi_init+0x16a/0x569 [ 491.481794] [] ? acpi_sleep_proc_init+0x39/0x39 [ 491.505513] [] ? __class_register+0x48b/0x50b [ 491.525977] [] ? class_destroy+0x3a/0x3a [ 491.546246] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 491.568227] [] ? __class_create+0x40/0xc7 [ 491.587642] [] ? acpi_sleep_proc_init+0x39/0x39 [ 491.607960] [] do_one_initcall+0x16d/0x258 [ 491.627863] [] ? initcall_blacklisted+0x198/0x198 [ 491.649059] [] ? up_write+0x8c/0xd9 [ 491.669044] [] ? down_write_trylock+0x100/0x100 [ 491.693342] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 491.716408] [] kernel_init_freeable+0x457/0x518 [ 491.737445] [] kernel_init+0x16/0x181 [ 491.756624] [] ret_from_fork+0x1f/0x40 [ 491.778596] [] ? rest_init+0x8f/0x8f [ 491.797679] ================================================================================ [ 491.833119] ================================================================================ [ 491.863703] UBSAN: Undefined behaviour in kernel/irq/manage.c:1686:15 [ 491.895869] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 491.927849] which requires 64 byte alignment [ 491.942788] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 491.961733] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 491.999899] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab0 ffffffffb26ec5cc [ 492.026626] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 492.057521] ffff880000000010 ffff88005c9dfad8 ffff88005c9dfa88 ffffffffb363c3e0 [ 492.087966] Call Trace: [ 492.097038] [] dump_stack+0xd7/0x132 [ 492.117261] [] ? arch_local_irq_restore+0x1b/0x1b [ 492.142510] [] ubsan_epilogue+0x12/0x53 [ 492.166036] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 492.195460] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 492.225225] [] ? kzalloc.constprop.9+0x2b/0x2d [ 492.248842] [] ? acpi_os_execute_deferred+0x79/0x79 [ 492.278237] [] request_threaded_irq+0x1e1/0x2b9 [ 492.300351] [] ? acpi_os_execute_deferred+0x79/0x79 [ 492.320111] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 492.336678] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 492.359500] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 492.377414] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 492.397255] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 492.417990] [] acpi_ev_install_sci_handler+0x49/0x4c [ 492.438457] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 492.461267] [] acpi_enable_subsystem+0xd5/0xe6 [ 492.482347] [] ? acpi_init+0x133/0x569 [ 492.499410] [] acpi_init+0x16a/0x569 [ 492.516903] [] ? acpi_sleep_proc_init+0x39/0x39 [ 492.537951] [] ? __class_register+0x48b/0x50b [ 492.557666] [] ? class_destroy+0x3a/0x3a [ 492.577229] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 492.599622] [] ? __class_create+0x40/0xc7 [ 492.619478] [] ? acpi_sleep_proc_init+0x39/0x39 [ 492.641814] [] do_one_initcall+0x16d/0x258 [ 492.661200] [] ? initcall_blacklisted+0x198/0x198 [ 492.683257] [] ? up_write+0x8c/0xd9 [ 492.698818] [] ? down_write_trylock+0x100/0x100 [ 492.719914] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 492.743246] [] kernel_init_freeable+0x457/0x518 [ 492.763086] [] kernel_init+0x16/0x181 [ 492.781681] [] ret_from_fork+0x1f/0x40 [ 492.801772] [] ? rest_init+0x8f/0x8f [ 492.822589] ================================================================================ [ 492.852381] ================================================================================ [ 492.886221] UBSAN: Undefined behaviour in kernel/irq/manage.c:1687:17 [ 492.910779] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 492.948211] which requires 64 byte alignment [ 492.963336] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 492.983171] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 493.029041] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab0 ffffffffb26ec5cc [ 493.060302] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 493.091688] ffff880000000010 ffff88005c9dfad8 ffff88005c9dfa88 ffffffffb363c3e0 [ 493.122644] Call Trace: [ 493.132393] [] dump_stack+0xd7/0x132 [ 493.152871] [] ? arch_local_irq_restore+0x1b/0x1b [ 493.183061] [] ubsan_epilogue+0x12/0x53 [ 493.215565] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 493.245913] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 493.274536] [] ? kzalloc.constprop.9+0x2b/0x2d [ 493.292794] [] ? acpi_os_execute_deferred+0x79/0x79 [ 493.316781] [] request_threaded_irq+0x20b/0x2b9 [ 493.355596] [] ? acpi_os_execute_deferred+0x79/0x79 [ 493.377787] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 493.398787] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 493.419583] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 493.438574] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 493.461594] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 493.491571] [] acpi_ev_install_sci_handler+0x49/0x4c [ 493.513134] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 493.539616] [] acpi_enable_subsystem+0xd5/0xe6 [ 493.561400] [] ? acpi_init+0x133/0x569 [ 493.579050] [] acpi_init+0x16a/0x569 [ 493.597598] [] ? acpi_sleep_proc_init+0x39/0x39 [ 493.622111] [] ? __class_register+0x48b/0x50b [ 493.643772] [] ? class_destroy+0x3a/0x3a [ 493.663237] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 493.684202] [] ? __class_create+0x40/0xc7 [ 493.705572] [] ? acpi_sleep_proc_init+0x39/0x39 [ 493.730603] [] do_one_initcall+0x16d/0x258 [ 493.752818] [] ? initcall_blacklisted+0x198/0x198 [ 493.779239] [] ? up_write+0x8c/0xd9 [ 493.799845] [] ? down_write_trylock+0x100/0x100 [ 493.827022] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 493.861217] [] kernel_init_freeable+0x457/0x518 [ 493.890222] [] kernel_init+0x16/0x181 [ 493.911356] [] ret_from_fork+0x1f/0x40 [ 493.930665] [] ? rest_init+0x8f/0x8f [ 493.946232] ================================================================================ [ 493.972251] ================================================================================ [ 494.000105] UBSAN: Undefined behaviour in kernel/irq/internals.h:122:6 [ 494.023651] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 494.057463] which requires 64 byte alignment [ 494.070422] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 494.089676] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 494.125940] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 494.159740] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 494.186384] ffff880000000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 494.213849] Call Trace: [ 494.225443] [] dump_stack+0xd7/0x132 [ 494.242833] [] ? arch_local_irq_restore+0x1b/0x1b [ 494.267282] [] ubsan_epilogue+0x12/0x53 [ 494.289423] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 494.329928] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 494.357992] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 494.386701] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 494.419729] [] ? kzalloc.constprop.9+0x2b/0x2d [ 494.443211] [] ? acpi_os_execute_deferred+0x79/0x79 [ 494.462419] [] chip_bus_lock+0x2a/0xb0 [ 494.482327] [] request_threaded_irq+0x244/0x2b9 [ 494.500939] [] ? acpi_os_execute_deferred+0x79/0x79 [ 494.521544] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 494.542674] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 494.565759] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 494.591438] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 494.621509] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 494.642981] [] acpi_ev_install_sci_handler+0x49/0x4c [ 494.666620] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 494.691114] [] acpi_enable_subsystem+0xd5/0xe6 [ 494.716042] [] ? acpi_init+0x133/0x569 [ 494.738064] [] acpi_init+0x16a/0x569 [ 494.759371] [] ? acpi_sleep_proc_init+0x39/0x39 [ 494.786348] [] ? __class_register+0x48b/0x50b [ 494.811038] [] ? class_destroy+0x3a/0x3a [ 494.833178] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 494.864292] [] ? __class_create+0x40/0xc7 [ 494.889623] [] ? acpi_sleep_proc_init+0x39/0x39 [ 494.915312] [] do_one_initcall+0x16d/0x258 [ 494.940392] [] ? initcall_blacklisted+0x198/0x198 [ 494.963922] [] ? up_write+0x8c/0xd9 [ 494.982803] [] ? down_write_trylock+0x100/0x100 [ 495.018920] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 495.038288] [] kernel_init_freeable+0x457/0x518 [ 495.057127] [] kernel_init+0x16/0x181 [ 495.071413] [] ret_from_fork+0x1f/0x40 [ 495.086168] [] ? rest_init+0x8f/0x8f [ 495.105189] ================================================================================ [ 495.135797] ================================================================================ [ 495.167222] UBSAN: Undefined behaviour in kernel/irq/manage.c:1134:20 [ 495.189606] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 495.225210] which requires 64 byte alignment [ 495.238938] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 495.276086] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 495.306008] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 495.333027] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 495.357552] ffffffff00000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 495.383911] Call Trace: [ 495.391070] [] dump_stack+0xd7/0x132 [ 495.407893] [] ? arch_local_irq_restore+0x1b/0x1b [ 495.438907] [] ubsan_epilogue+0x12/0x53 [ 495.457816] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 495.482255] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 495.506424] [] ? ubsan_epilogue+0x26/0x53 [ 495.521221] [] __setup_irq+0xb3/0x171f [ 495.541515] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 495.567996] [] ? __irq_set_trigger+0x64e/0x64e [ 495.588983] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 495.613643] [] ? kzalloc.constprop.9+0x2b/0x2d [ 495.638179] [] ? acpi_os_execute_deferred+0x79/0x79 [ 495.659212] [] request_threaded_irq+0x252/0x2b9 [ 495.680786] [] ? acpi_os_execute_deferred+0x79/0x79 [ 495.703747] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 495.728190] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 495.752077] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 495.773936] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 495.797417] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 495.819982] [] acpi_ev_install_sci_handler+0x49/0x4c [ 495.844899] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 495.867853] [] acpi_enable_subsystem+0xd5/0xe6 [ 495.890688] [] ? acpi_init+0x133/0x569 [ 495.908118] [] acpi_init+0x16a/0x569 [ 495.925650] [] ? acpi_sleep_proc_init+0x39/0x39 [ 495.946611] [] ? __class_register+0x48b/0x50b [ 495.968691] [] ? class_destroy+0x3a/0x3a [ 496.001359] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 496.022928] [] ? __class_create+0x40/0xc7 [ 496.042487] [] ? acpi_sleep_proc_init+0x39/0x39 [ 496.063836] [] do_one_initcall+0x16d/0x258 [ 496.082406] [] ? initcall_blacklisted+0x198/0x198 [ 496.104815] [] ? up_write+0x8c/0xd9 [ 496.123903] [] ? down_write_trylock+0x100/0x100 [ 496.143778] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 496.165181] [] kernel_init_freeable+0x457/0x518 [ 496.185821] [] kernel_init+0x16/0x181 [ 496.203455] [] ret_from_fork+0x1f/0x40 [ 496.221107] [] ? rest_init+0x8f/0x8f [ 496.239379] ================================================================================ [ 496.269040] ================================================================================ [ 496.299255] UBSAN: Undefined behaviour in kernel/irq/manage.c:1136:7 [ 496.322009] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 496.346150] which requires 64 byte alignment [ 496.360346] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 496.382133] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 496.415841] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 496.440007] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 496.463200] ffff880000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 496.490803] Call Trace: [ 496.497924] [] dump_stack+0xd7/0x132 [ 496.517562] [] ? arch_local_irq_restore+0x1b/0x1b [ 496.541464] [] ubsan_epilogue+0x12/0x53 [ 496.558719] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 496.585011] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 496.611128] [] ? ubsan_epilogue+0x26/0x53 [ 496.631335] [] __setup_irq+0xf9/0x171f [ 496.660093] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 496.684025] [] ? __irq_set_trigger+0x64e/0x64e [ 496.705890] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 496.732485] [] ? kzalloc.constprop.9+0x2b/0x2d [ 496.757557] [] ? acpi_os_execute_deferred+0x79/0x79 [ 496.779282] [] request_threaded_irq+0x252/0x2b9 [ 496.902838] [] ? acpi_os_execute_deferred+0x79/0x79 [ 496.926750] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 496.951523] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 496.975439] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 496.996978] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 497.019657] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 497.043750] [] acpi_ev_install_sci_handler+0x49/0x4c [ 497.066313] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 497.093511] [] acpi_enable_subsystem+0xd5/0xe6 [ 497.116653] [] ? acpi_init+0x133/0x569 [ 497.136024] [] acpi_init+0x16a/0x569 [ 497.155488] [] ? acpi_sleep_proc_init+0x39/0x39 [ 497.174979] [] ? __class_register+0x48b/0x50b [ 497.196201] [] ? class_destroy+0x3a/0x3a [ 497.212745] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 497.238720] [] ? __class_create+0x40/0xc7 [ 497.259714] [] ? acpi_sleep_proc_init+0x39/0x39 [ 497.279578] [] do_one_initcall+0x16d/0x258 [ 497.298753] [] ? initcall_blacklisted+0x198/0x198 [ 497.321396] [] ? up_write+0x8c/0xd9 [ 497.338606] [] ? down_write_trylock+0x100/0x100 [ 497.359270] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 497.382747] [] kernel_init_freeable+0x457/0x518 [ 497.401228] [] kernel_init+0x16/0x181 [ 497.417834] [] ret_from_fork+0x1f/0x40 [ 497.436940] [] ? rest_init+0x8f/0x8f [ 497.456435] ================================================================================ [ 497.484002] ================================================================================ [ 497.517641] UBSAN: Undefined behaviour in kernel/irq/manage.c:1139:11 [ 497.541159] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 497.567605] which requires 64 byte alignment [ 497.582843] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 497.602810] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 497.632739] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 497.661234] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 497.688238] ffff880000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 497.715265] Call Trace: [ 497.722980] [] dump_stack+0xd7/0x132 [ 497.744164] [] ? arch_local_irq_restore+0x1b/0x1b [ 497.765437] [] ubsan_epilogue+0x12/0x53 [ 497.787317] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 497.810018] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 497.831848] [] ? ubsan_epilogue+0x26/0x53 [ 497.852088] [] __setup_irq+0x147/0x171f [ 497.871626] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 497.899313] [] ? __irq_set_trigger+0x64e/0x64e [ 497.918566] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 497.942175] [] ? kzalloc.constprop.9+0x2b/0x2d [ 497.961797] [] ? acpi_os_execute_deferred+0x79/0x79 [ 497.982033] [] request_threaded_irq+0x252/0x2b9 [ 498.001542] [] ? acpi_os_execute_deferred+0x79/0x79 [ 498.023374] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 498.044135] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 498.068294] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 498.095508] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 498.117902] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 498.142233] [] acpi_ev_install_sci_handler+0x49/0x4c [ 498.165502] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 498.188466] [] acpi_enable_subsystem+0xd5/0xe6 [ 498.207605] [] ? acpi_init+0x133/0x569 [ 498.227028] [] acpi_init+0x16a/0x569 [ 498.246524] [] ? acpi_sleep_proc_init+0x39/0x39 [ 498.271878] [] ? __class_register+0x48b/0x50b [ 498.293787] [] ? class_destroy+0x3a/0x3a [ 498.310797] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 498.331459] [] ? __class_create+0x40/0xc7 [ 498.350781] [] ? acpi_sleep_proc_init+0x39/0x39 [ 498.372536] [] do_one_initcall+0x16d/0x258 [ 498.389496] [] ? initcall_blacklisted+0x198/0x198 [ 498.459293] [] ? up_write+0x8c/0xd9 [ 498.483721] [] ? down_write_trylock+0x100/0x100 [ 498.503731] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 498.527140] [] kernel_init_freeable+0x457/0x518 [ 498.545321] [] kernel_init+0x16/0x181 [ 498.563422] [] ret_from_fork+0x1f/0x40 [ 498.579859] [] ? rest_init+0x8f/0x8f [ 498.597833] ================================================================================ [ 498.626575] ================================================================================ [ 498.658997] UBSAN: Undefined behaviour in kernel/irq/manage.c:1145:11 [ 498.680273] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 498.710178] which requires 64 byte alignment [ 498.725727] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 498.745320] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 498.776814] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 498.802048] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 498.826390] ffff880000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 498.852924] Call Trace: [ 498.861062] [] dump_stack+0xd7/0x132 [ 498.879233] [] ? arch_local_irq_restore+0x1b/0x1b [ 498.899829] [] ubsan_epilogue+0x12/0x53 [ 498.919302] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 498.942518] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 498.965969] [] ? ubsan_epilogue+0x26/0x53 [ 498.985201] [] __setup_irq+0x175/0x171f [ 499.003106] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 499.027001] [] ? __irq_set_trigger+0x64e/0x64e [ 499.045197] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 499.069654] [] ? kzalloc.constprop.9+0x2b/0x2d [ 499.095450] [] ? acpi_os_execute_deferred+0x79/0x79 [ 499.118424] [] request_threaded_irq+0x252/0x2b9 [ 499.140365] [] ? acpi_os_execute_deferred+0x79/0x79 [ 499.164674] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 499.188914] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 499.215434] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 499.235327] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 499.263673] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 499.286408] [] acpi_ev_install_sci_handler+0x49/0x4c [ 499.306826] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 499.331814] [] acpi_enable_subsystem+0xd5/0xe6 [ 499.354207] [] ? acpi_init+0x133/0x569 [ 499.370594] [] acpi_init+0x16a/0x569 [ 499.385831] [] ? acpi_sleep_proc_init+0x39/0x39 [ 499.409812] [] ? __class_register+0x48b/0x50b [ 499.429603] [] ? class_destroy+0x3a/0x3a [ 499.448755] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 499.467335] [] ? __class_create+0x40/0xc7 [ 499.486976] [] ? acpi_sleep_proc_init+0x39/0x39 [ 499.509735] [] do_one_initcall+0x16d/0x258 [ 499.530608] [] ? initcall_blacklisted+0x198/0x198 [ 499.555440] [] ? up_write+0x8c/0xd9 [ 499.573550] [] ? down_write_trylock+0x100/0x100 [ 499.593025] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 499.615245] [] kernel_init_freeable+0x457/0x518 [ 499.637165] [] kernel_init+0x16/0x181 [ 499.656862] [] ret_from_fork+0x1f/0x40 [ 499.674974] [] ? rest_init+0x8f/0x8f [ 499.689758] ================================================================================ [ 499.719315] ================================================================================ [ 499.745427] UBSAN: Undefined behaviour in kernel/irq/manage.c:1146:14 [ 499.764114] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 499.797642] which requires 64 byte alignment [ 499.809467] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 499.827318] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 499.860378] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 499.886824] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 499.915004] ffff880000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 499.939781] Call Trace: [ 499.947795] [] dump_stack+0xd7/0x132 [ 499.962995] [] ? arch_local_irq_restore+0x1b/0x1b [ 499.987067] [] ubsan_epilogue+0x12/0x53 [ 500.006447] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 500.028588] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 500.054129] [] ? ubsan_epilogue+0x26/0x53 [ 500.070739] [] __setup_irq+0x201/0x171f [ 500.090584] [] ? __irq_set_trigger+0x64e/0x64e [ 500.114660] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 500.138460] [] ? kzalloc.constprop.9+0x2b/0x2d [ 500.159157] [] ? acpi_os_execute_deferred+0x79/0x79 [ 500.180421] [] request_threaded_irq+0x252/0x2b9 [ 500.199670] [] ? acpi_os_execute_deferred+0x79/0x79 [ 500.220384] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 500.242472] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 500.268189] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 500.287059] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 500.310299] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 500.336634] [] acpi_ev_install_sci_handler+0x49/0x4c [ 500.357561] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 500.379458] [] acpi_enable_subsystem+0xd5/0xe6 [ 500.399844] [] ? acpi_init+0x133/0x569 [ 500.420870] [] acpi_init+0x16a/0x569 [ 500.437069] [] ? acpi_sleep_proc_init+0x39/0x39 [ 500.454747] [] ? __class_register+0x48b/0x50b [ 500.475423] [] ? class_destroy+0x3a/0x3a [ 500.490940] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 500.513699] [] ? __class_create+0x40/0xc7 [ 500.532790] [] ? acpi_sleep_proc_init+0x39/0x39 [ 500.551967] [] do_one_initcall+0x16d/0x258 [ 500.568316] [] ? initcall_blacklisted+0x198/0x198 [ 500.589558] [] ? up_write+0x8c/0xd9 [ 500.607819] [] ? down_write_trylock+0x100/0x100 [ 500.634706] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 500.658515] [] kernel_init_freeable+0x457/0x518 [ 500.681259] [] kernel_init+0x16/0x181 [ 500.700643] [] ret_from_fork+0x1f/0x40 [ 500.717721] [] ? rest_init+0x8f/0x8f [ 500.736971] ================================================================================ [ 500.765572] ================================================================================ [ 500.796950] UBSAN: Undefined behaviour in kernel/irq/settings.h:152:13 [ 500.817977] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 500.846034] which requires 64 byte alignment [ 500.859809] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 500.880888] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 500.909918] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 500.931639] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 500.954555] ffff880000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 500.977299] Call Trace: [ 500.984235] [] dump_stack+0xd7/0x132 [ 501.002554] [] ? arch_local_irq_restore+0x1b/0x1b [ 501.020726] [] ubsan_epilogue+0x12/0x53 [ 501.035525] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 501.055501] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 501.076246] [] ? ubsan_epilogue+0x26/0x53 [ 501.104962] [] __setup_irq+0x227/0x171f [ 501.124102] [] ? __irq_set_trigger+0x64e/0x64e [ 501.146094] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 501.170983] [] ? kzalloc.constprop.9+0x2b/0x2d [ 501.194129] [] ? acpi_os_execute_deferred+0x79/0x79 [ 501.218967] [] request_threaded_irq+0x252/0x2b9 [ 501.238217] [] ? acpi_os_execute_deferred+0x79/0x79 [ 501.261114] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 501.281704] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 501.305744] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 501.340325] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 501.360693] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 501.383153] [] acpi_ev_install_sci_handler+0x49/0x4c [ 501.404804] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 501.439267] [] acpi_enable_subsystem+0xd5/0xe6 [ 501.459155] [] ? acpi_init+0x133/0x569 [ 501.476879] [] acpi_init+0x16a/0x569 [ 501.495926] [] ? acpi_sleep_proc_init+0x39/0x39 [ 501.516853] [] ? __class_register+0x48b/0x50b [ 501.537106] [] ? class_destroy+0x3a/0x3a [ 501.554985] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 501.574928] [] ? __class_create+0x40/0xc7 [ 501.595828] [] ? acpi_sleep_proc_init+0x39/0x39 [ 501.619757] [] do_one_initcall+0x16d/0x258 [ 501.636860] [] ? initcall_blacklisted+0x198/0x198 [ 501.657534] [] ? up_write+0x8c/0xd9 [ 501.677854] [] ? down_write_trylock+0x100/0x100 [ 501.698323] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 501.720786] [] kernel_init_freeable+0x457/0x518 [ 501.741063] [] kernel_init+0x16/0x181 [ 501.757408] [] ret_from_fork+0x1f/0x40 [ 501.786370] [] ? rest_init+0x8f/0x8f [ 501.803523] ================================================================================ [ 501.833094] ================================================================================ [ 501.860808] UBSAN: Undefined behaviour in kernel/irq/settings.h:112:15 [ 501.884548] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 501.917723] which requires 64 byte alignment [ 501.932539] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 501.952526] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 501.984752] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 502.011880] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 502.036713] ffff880000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 502.062784] Call Trace: [ 502.071418] [] dump_stack+0xd7/0x132 [ 502.091992] [] ? arch_local_irq_restore+0x1b/0x1b [ 502.111498] [] ubsan_epilogue+0x12/0x53 [ 502.129029] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 502.156173] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 502.177954] [] ? ubsan_epilogue+0x26/0x53 [ 502.196915] [] __setup_irq+0x2da/0x171f [ 502.214481] [] ? __irq_set_trigger+0x64e/0x64e [ 502.238008] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 502.260690] [] ? kzalloc.constprop.9+0x2b/0x2d [ 502.281120] [] ? acpi_os_execute_deferred+0x79/0x79 [ 502.307148] [] request_threaded_irq+0x252/0x2b9 [ 502.326712] [] ? acpi_os_execute_deferred+0x79/0x79 [ 502.360130] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 502.382072] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 502.407092] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 502.429972] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 502.450594] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 502.472135] [] acpi_ev_install_sci_handler+0x49/0x4c [ 502.494591] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 502.515416] [] acpi_enable_subsystem+0xd5/0xe6 [ 502.535991] [] ? acpi_init+0x133/0x569 [ 502.555008] [] acpi_init+0x16a/0x569 [ 502.573277] [] ? acpi_sleep_proc_init+0x39/0x39 [ 502.590825] [] ? __class_register+0x48b/0x50b [ 502.613486] [] ? class_destroy+0x3a/0x3a [ 502.634445] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 502.654887] [] ? __class_create+0x40/0xc7 [ 502.675890] [] ? acpi_sleep_proc_init+0x39/0x39 [ 502.692846] [] do_one_initcall+0x16d/0x258 [ 502.714146] [] ? initcall_blacklisted+0x198/0x198 [ 502.735140] [] ? up_write+0x8c/0xd9 [ 502.751604] [] ? down_write_trylock+0x100/0x100 [ 502.770445] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 502.794413] [] kernel_init_freeable+0x457/0x518 [ 502.813948] [] kernel_init+0x16/0x181 [ 502.831002] [] ret_from_fork+0x1f/0x40 [ 502.847369] [] ? rest_init+0x8f/0x8f [ 502.864823] ================================================================================ [ 502.898536] ================================================================================ [ 502.923757] UBSAN: Undefined behaviour in kernel/irq/manage.c:1177:9 [ 502.945946] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 502.977234] which requires 64 byte alignment [ 502.990280] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 503.014709] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 503.044919] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 503.072919] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 503.100156] ffff880000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 503.124132] Call Trace: [ 503.134766] [] dump_stack+0xd7/0x132 [ 503.151668] [] ? arch_local_irq_restore+0x1b/0x1b [ 503.171313] [] ubsan_epilogue+0x12/0x53 [ 503.190577] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 503.213994] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 503.239542] [] ? ubsan_epilogue+0x26/0x53 [ 503.257719] [] __setup_irq+0x6d1/0x171f [ 503.275030] [] ? __irq_set_trigger+0x64e/0x64e [ 503.297772] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 503.323585] [] ? kzalloc.constprop.9+0x2b/0x2d [ 503.340943] [] ? acpi_os_execute_deferred+0x79/0x79 [ 503.361764] [] request_threaded_irq+0x252/0x2b9 [ 503.383315] [] ? acpi_os_execute_deferred+0x79/0x79 [ 503.404030] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 503.425956] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 503.450896] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 503.471769] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 503.494923] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 503.517925] [] acpi_ev_install_sci_handler+0x49/0x4c [ 503.537099] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 503.558590] [] acpi_enable_subsystem+0xd5/0xe6 [ 503.579288] [] ? acpi_init+0x133/0x569 [ 503.595125] [] acpi_init+0x16a/0x569 [ 503.611576] [] ? acpi_sleep_proc_init+0x39/0x39 [ 503.631120] [] ? __class_register+0x48b/0x50b [ 503.655686] [] ? class_destroy+0x3a/0x3a [ 503.674942] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 503.702942] [] ? __class_create+0x40/0xc7 [ 503.723820] [] ? acpi_sleep_proc_init+0x39/0x39 [ 503.751496] [] do_one_initcall+0x16d/0x258 [ 503.780822] [] ? initcall_blacklisted+0x198/0x198 [ 503.801973] [] ? up_write+0x8c/0xd9 [ 503.819106] [] ? down_write_trylock+0x100/0x100 [ 503.838586] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 503.859005] [] kernel_init_freeable+0x457/0x518 [ 503.878202] [] kernel_init+0x16/0x181 [ 503.895013] [] ret_from_fork+0x1f/0x40 [ 503.911230] [] ? rest_init+0x8f/0x8f [ 503.926526] ================================================================================ [ 503.957324] ================================================================================ [ 503.985020] UBSAN: Undefined behaviour in kernel/irq/manage.c:1202:20 [ 504.006530] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 504.037052] which requires 64 byte alignment [ 504.054328] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 504.074672] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 504.107543] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 504.134870] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 504.161560] ffff880000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 504.187318] Call Trace: [ 504.195566] [] dump_stack+0xd7/0x132 [ 504.214935] [] ? arch_local_irq_restore+0x1b/0x1b [ 504.236361] [] ubsan_epilogue+0x12/0x53 [ 504.254578] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 504.277248] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 504.303702] [] ? ubsan_epilogue+0x26/0x53 [ 504.322550] [] __setup_irq+0x709/0x171f [ 504.349151] [] ? __irq_set_trigger+0x64e/0x64e [ 504.368914] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 504.393003] [] ? kzalloc.constprop.9+0x2b/0x2d [ 504.416649] [] ? acpi_os_execute_deferred+0x79/0x79 [ 504.439253] [] request_threaded_irq+0x252/0x2b9 [ 504.462108] [] ? acpi_os_execute_deferred+0x79/0x79 [ 504.485322] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 504.506780] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 504.536146] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 504.557553] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 504.582742] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 504.604604] [] acpi_ev_install_sci_handler+0x49/0x4c [ 504.625356] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 504.647634] [] acpi_enable_subsystem+0xd5/0xe6 [ 504.669093] [] ? acpi_init+0x133/0x569 [ 504.687487] [] acpi_init+0x16a/0x569 [ 504.706098] [] ? acpi_sleep_proc_init+0x39/0x39 [ 504.726493] [] ? __class_register+0x48b/0x50b [ 504.747199] [] ? class_destroy+0x3a/0x3a [ 504.765645] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 504.786935] [] ? __class_create+0x40/0xc7 [ 504.806613] [] ? acpi_sleep_proc_init+0x39/0x39 [ 504.830386] [] do_one_initcall+0x16d/0x258 [ 504.850751] [] ? initcall_blacklisted+0x198/0x198 [ 504.871077] [] ? up_write+0x8c/0xd9 [ 504.887075] [] ? down_write_trylock+0x100/0x100 [ 504.907910] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 504.944517] [] kernel_init_freeable+0x457/0x518 [ 504.964252] [] kernel_init+0x16/0x181 [ 504.983135] [] ret_from_fork+0x1f/0x40 [ 505.002909] [] ? rest_init+0x8f/0x8f [ 505.020663] ================================================================================ [ 505.046992] ================================================================================ [ 505.074181] UBSAN: Undefined behaviour in kernel/irq/manage.c:1248:9 [ 505.096006] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 505.137029] which requires 64 byte alignment [ 505.153252] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 505.176735] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 505.209159] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 505.236708] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 505.261100] ffff880000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 505.286255] Call Trace: [ 505.299443] [] dump_stack+0xd7/0x132 [ 505.316592] [] ? arch_local_irq_restore+0x1b/0x1b [ 505.341541] [] ubsan_epilogue+0x12/0x53 [ 505.362691] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 505.388478] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 505.415801] [] ? ubsan_epilogue+0x26/0x53 [ 505.435396] [] __setup_irq+0xa39/0x171f [ 505.463902] [] ? __irq_set_trigger+0x64e/0x64e [ 505.485886] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 505.516108] [] ? kzalloc.constprop.9+0x2b/0x2d [ 505.551276] [] ? acpi_os_execute_deferred+0x79/0x79 [ 505.599632] [] request_threaded_irq+0x252/0x2b9 [ 505.625601] [] ? acpi_os_execute_deferred+0x79/0x79 [ 505.662608] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 505.690189] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 505.730598] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 505.761902] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 505.801848] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 505.836389] [] acpi_ev_install_sci_handler+0x49/0x4c [ 505.866057] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 505.901693] [] acpi_enable_subsystem+0xd5/0xe6 [ 505.932360] [] ? acpi_init+0x133/0x569 [ 505.955554] [] acpi_init+0x16a/0x569 [ 505.977711] [] ? acpi_sleep_proc_init+0x39/0x39 [ 505.997410] [] ? __class_register+0x48b/0x50b [ 506.015393] [] ? class_destroy+0x3a/0x3a [ 506.035040] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 506.059763] [] ? __class_create+0x40/0xc7 [ 506.079544] [] ? acpi_sleep_proc_init+0x39/0x39 [ 506.099809] [] do_one_initcall+0x16d/0x258 [ 506.128256] [] ? initcall_blacklisted+0x198/0x198 [ 506.147542] [] ? up_write+0x8c/0xd9 [ 506.165164] [] ? down_write_trylock+0x100/0x100 [ 506.186328] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 506.213691] [] kernel_init_freeable+0x457/0x518 [ 506.240340] [] kernel_init+0x16/0x181 [ 506.257980] [] ret_from_fork+0x1f/0x40 [ 506.279417] [] ? rest_init+0x8f/0x8f [ 506.300722] ================================================================================ [ 506.330850] ================================================================================ [ 506.362059] UBSAN: Undefined behaviour in kernel/irq/manage.c:1279:16 [ 506.382097] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 506.413407] which requires 64 byte alignment [ 506.429954] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 506.449641] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 506.481808] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 506.508522] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 506.536801] ffff880000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 506.563534] Call Trace: [ 506.570603] [] dump_stack+0xd7/0x132 [ 506.589279] [] ? arch_local_irq_restore+0x1b/0x1b [ 506.613930] [] ubsan_epilogue+0x12/0x53 [ 506.638962] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 506.663734] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 506.689454] [] ? ubsan_epilogue+0x26/0x53 [ 506.710864] [] __setup_irq+0xae3/0x171f [ 506.731754] [] ? __irq_set_trigger+0x64e/0x64e [ 506.751528] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 506.777183] [] ? kzalloc.constprop.9+0x2b/0x2d [ 506.794864] [] ? acpi_os_execute_deferred+0x79/0x79 [ 506.818653] [] request_threaded_irq+0x252/0x2b9 [ 506.837279] [] ? acpi_os_execute_deferred+0x79/0x79 [ 506.861323] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 506.898962] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 506.925397] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 506.949418] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 506.973227] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 507.000213] [] acpi_ev_install_sci_handler+0x49/0x4c [ 507.022182] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 507.048481] [] acpi_enable_subsystem+0xd5/0xe6 [ 507.071867] [] ? acpi_init+0x133/0x569 [ 507.094870] [] acpi_init+0x16a/0x569 [ 507.109186] [] ? acpi_sleep_proc_init+0x39/0x39 [ 507.131869] [] ? __class_register+0x48b/0x50b [ 507.151451] [] ? class_destroy+0x3a/0x3a [ 507.170392] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 507.189813] [] ? __class_create+0x40/0xc7 [ 507.213952] [] ? acpi_sleep_proc_init+0x39/0x39 [ 507.238803] [] do_one_initcall+0x16d/0x258 [ 507.260425] [] ? initcall_blacklisted+0x198/0x198 [ 507.282601] [] ? up_write+0x8c/0xd9 [ 507.304648] [] ? down_write_trylock+0x100/0x100 [ 507.328817] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 507.352962] [] kernel_init_freeable+0x457/0x518 [ 507.371015] [] kernel_init+0x16/0x181 [ 507.391906] [] ret_from_fork+0x1f/0x40 [ 507.410780] [] ? rest_init+0x8f/0x8f [ 507.427364] ================================================================================ [ 507.455265] ================================================================================ [ 507.497872] UBSAN: Undefined behaviour in kernel/irq/manage.c:1313:10 [ 507.521876] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 507.549704] which requires 64 byte alignment [ 507.563130] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 507.583838] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 507.684979] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 507.708244] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 507.735039] ffff880000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 507.760508] Call Trace: [ 507.768053] [] dump_stack+0xd7/0x132 [ 507.784965] [] ? arch_local_irq_restore+0x1b/0x1b [ 507.805933] [] ubsan_epilogue+0x12/0x53 [ 507.822952] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 507.845023] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 507.868490] [] ? ubsan_epilogue+0x26/0x53 [ 507.887063] [] __setup_irq+0xcf3/0x171f [ 507.906808] [] ? __irq_set_trigger+0x64e/0x64e [ 507.926974] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 507.948438] [] ? kzalloc.constprop.9+0x2b/0x2d [ 507.967254] [] ? acpi_os_execute_deferred+0x79/0x79 [ 507.991427] [] request_threaded_irq+0x252/0x2b9 [ 508.011795] [] ? acpi_os_execute_deferred+0x79/0x79 [ 508.035305] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 508.057321] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 508.081382] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 508.101040] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 508.123506] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 508.146600] [] acpi_ev_install_sci_handler+0x49/0x4c [ 508.166650] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 508.190039] [] acpi_enable_subsystem+0xd5/0xe6 [ 508.213280] [] ? acpi_init+0x133/0x569 [ 508.231392] [] acpi_init+0x16a/0x569 [ 508.252256] [] ? acpi_sleep_proc_init+0x39/0x39 [ 508.273653] [] ? __class_register+0x48b/0x50b [ 508.297082] [] ? class_destroy+0x3a/0x3a [ 508.316523] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 508.337858] [] ? __class_create+0x40/0xc7 [ 508.359793] [] ? acpi_sleep_proc_init+0x39/0x39 [ 508.377385] [] do_one_initcall+0x16d/0x258 [ 508.398396] [] ? initcall_blacklisted+0x198/0x198 [ 508.417896] [] ? up_write+0x8c/0xd9 [ 508.438132] [] ? down_write_trylock+0x100/0x100 [ 508.457788] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 508.481987] [] kernel_init_freeable+0x457/0x518 [ 508.503106] [] kernel_init+0x16/0x181 [ 508.519829] [] ret_from_fork+0x1f/0x40 [ 508.539404] [] ? rest_init+0x8f/0x8f [ 508.555201] ================================================================================ [ 508.598175] ================================================================================ [ 508.633881] UBSAN: Undefined behaviour in kernel/irq/manage.c:1321:16 [ 508.657180] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 508.686623] which requires 64 byte alignment [ 508.702602] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 508.723355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 508.753107] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 508.779415] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 508.804074] ffff880000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 508.831951] Call Trace: [ 508.839038] [] dump_stack+0xd7/0x132 [ 508.856994] [] ? arch_local_irq_restore+0x1b/0x1b [ 508.875917] [] ubsan_epilogue+0x12/0x53 [ 508.895772] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 508.917824] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 508.942423] [] ? ubsan_epilogue+0x26/0x53 [ 508.964570] [] __setup_irq+0xd2c/0x171f [ 508.979881] [] ? __irq_set_trigger+0x64e/0x64e [ 509.001322] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 509.023522] [] ? kzalloc.constprop.9+0x2b/0x2d [ 509.047288] [] ? acpi_os_execute_deferred+0x79/0x79 [ 509.066823] [] request_threaded_irq+0x252/0x2b9 [ 509.087868] [] ? acpi_os_execute_deferred+0x79/0x79 [ 509.112841] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 509.134095] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 509.159354] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 509.183437] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 509.207534] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 509.229962] [] acpi_ev_install_sci_handler+0x49/0x4c [ 509.253026] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 509.273842] [] acpi_enable_subsystem+0xd5/0xe6 [ 509.296163] [] ? acpi_init+0x133/0x569 [ 509.314074] [] acpi_init+0x16a/0x569 [ 509.333455] [] ? acpi_sleep_proc_init+0x39/0x39 [ 509.352089] [] ? __class_register+0x48b/0x50b [ 509.371671] [] ? class_destroy+0x3a/0x3a [ 509.389170] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 509.415102] [] ? __class_create+0x40/0xc7 [ 509.435530] [] ? acpi_sleep_proc_init+0x39/0x39 [ 509.454320] [] do_one_initcall+0x16d/0x258 [ 509.473788] [] ? initcall_blacklisted+0x198/0x198 [ 509.497704] [] ? up_write+0x8c/0xd9 [ 509.515969] [] ? down_write_trylock+0x100/0x100 [ 509.537480] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 509.560666] [] kernel_init_freeable+0x457/0x518 [ 509.582319] [] kernel_init+0x16/0x181 [ 509.602210] [] ret_from_fork+0x1f/0x40 [ 509.620133] [] ? rest_init+0x8f/0x8f [ 509.639198] ================================================================================ [ 509.662570] ================================================================================ [ 509.691917] UBSAN: Undefined behaviour in kernel/irq/manage.c:1321:16 [ 509.710376] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 509.744413] which requires 64 byte alignment [ 509.757041] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 509.778192] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 509.806319] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 509.831312] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 509.854960] ffff880000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 509.881080] Call Trace: [ 509.890080] [] dump_stack+0xd7/0x132 [ 509.908629] [] ? arch_local_irq_restore+0x1b/0x1b [ 509.932369] [] ubsan_epilogue+0x12/0x53 [ 509.952122] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 509.974849] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 509.999295] [] ? ubsan_epilogue+0x26/0x53 [ 510.019146] [] __setup_irq+0xd5d/0x171f [ 510.037021] [] ? __irq_set_trigger+0x64e/0x64e [ 510.059526] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 510.087737] [] ? kzalloc.constprop.9+0x2b/0x2d [ 510.108403] [] ? acpi_os_execute_deferred+0x79/0x79 [ 510.131395] [] request_threaded_irq+0x252/0x2b9 [ 510.154044] [] ? acpi_os_execute_deferred+0x79/0x79 [ 510.175654] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 510.196628] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 510.217040] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 510.240234] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 510.262711] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 510.282163] [] acpi_ev_install_sci_handler+0x49/0x4c [ 510.305922] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 510.330112] [] acpi_enable_subsystem+0xd5/0xe6 [ 510.352835] [] ? acpi_init+0x133/0x569 [ 510.369791] [] acpi_init+0x16a/0x569 [ 510.386859] [] ? acpi_sleep_proc_init+0x39/0x39 [ 510.405653] [] ? __class_register+0x48b/0x50b [ 510.426638] [] ? class_destroy+0x3a/0x3a [ 510.444684] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 510.465657] [] ? __class_create+0x40/0xc7 [ 510.483286] [] ? acpi_sleep_proc_init+0x39/0x39 [ 510.503395] [] do_one_initcall+0x16d/0x258 [ 510.524766] [] ? initcall_blacklisted+0x198/0x198 [ 510.547562] [] ? up_write+0x8c/0xd9 [ 510.565079] [] ? down_write_trylock+0x100/0x100 [ 510.586220] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 510.610771] [] kernel_init_freeable+0x457/0x518 [ 510.631532] [] kernel_init+0x16/0x181 [ 510.648626] [] ret_from_fork+0x1f/0x40 [ 510.667605] [] ? rest_init+0x8f/0x8f [ 510.683853] ================================================================================ [ 510.713153] ================================================================================ [ 510.741858] UBSAN: Undefined behaviour in kernel/irq/manage.c:1325:10 [ 510.763907] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 510.792025] which requires 64 byte alignment [ 510.806134] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 510.828091] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 510.861102] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 510.885327] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 510.911636] ffff880000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 510.937543] Call Trace: [ 510.946227] [] dump_stack+0xd7/0x132 [ 510.965782] [] ? arch_local_irq_restore+0x1b/0x1b [ 510.989961] [] ubsan_epilogue+0x12/0x53 [ 511.006005] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 511.028466] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 511.055320] [] ? ubsan_epilogue+0x26/0x53 [ 511.076028] [] __setup_irq+0xdfc/0x171f [ 511.095213] [] ? __irq_set_trigger+0x64e/0x64e [ 511.119725] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 511.145468] [] ? kzalloc.constprop.9+0x2b/0x2d [ 511.164188] [] ? acpi_os_execute_deferred+0x79/0x79 [ 511.184159] [] request_threaded_irq+0x252/0x2b9 [ 511.204681] [] ? acpi_os_execute_deferred+0x79/0x79 [ 511.225642] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 511.246169] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 511.272376] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 511.291387] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 511.316078] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 511.339031] [] acpi_ev_install_sci_handler+0x49/0x4c [ 511.361531] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 511.382743] [] acpi_enable_subsystem+0xd5/0xe6 [ 511.404083] [] ? acpi_init+0x133/0x569 [ 511.422964] [] acpi_init+0x16a/0x569 [ 511.443102] [] ? acpi_sleep_proc_init+0x39/0x39 [ 511.463720] [] ? __class_register+0x48b/0x50b [ 511.482030] [] ? class_destroy+0x3a/0x3a [ 511.502459] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 511.527314] [] ? __class_create+0x40/0xc7 [ 511.550007] [] ? acpi_sleep_proc_init+0x39/0x39 [ 511.570392] [] do_one_initcall+0x16d/0x258 [ 511.587280] [] ? initcall_blacklisted+0x198/0x198 [ 511.610780] [] ? up_write+0x8c/0xd9 [ 511.628248] [] ? down_write_trylock+0x100/0x100 [ 511.647982] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 511.670516] [] kernel_init_freeable+0x457/0x518 [ 511.693451] [] kernel_init+0x16/0x181 [ 511.715035] [] ret_from_fork+0x1f/0x40 [ 511.739221] [] ? rest_init+0x8f/0x8f [ 511.756696] ================================================================================ [ 511.783956] ================================================================================ [ 511.812737] UBSAN: Undefined behaviour in kernel/irq/manage.c:1330:10 [ 511.836276] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 511.865133] which requires 64 byte alignment [ 511.880024] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 511.902500] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 511.939088] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 511.967336] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 511.996172] ffff880000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 512.020177] Call Trace: [ 512.026873] [] dump_stack+0xd7/0x132 [ 512.047822] [] ? arch_local_irq_restore+0x1b/0x1b [ 512.069427] [] ubsan_epilogue+0x12/0x53 [ 512.088711] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 512.111044] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 512.137241] [] ? ubsan_epilogue+0x26/0x53 [ 512.160100] [] __setup_irq+0xf2a/0x171f [ 512.181068] [] ? __irq_set_trigger+0x64e/0x64e [ 512.201369] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 512.225003] [] ? kzalloc.constprop.9+0x2b/0x2d [ 512.246227] [] ? acpi_os_execute_deferred+0x79/0x79 [ 512.270883] [] request_threaded_irq+0x252/0x2b9 [ 512.288122] [] ? acpi_os_execute_deferred+0x79/0x79 [ 512.315100] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 512.336219] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 512.359859] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 512.380805] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 512.403346] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 512.428153] [] acpi_ev_install_sci_handler+0x49/0x4c [ 512.449731] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 512.475736] [] acpi_enable_subsystem+0xd5/0xe6 [ 512.494250] [] ? acpi_init+0x133/0x569 [ 512.515876] [] acpi_init+0x16a/0x569 [ 512.535114] [] ? acpi_sleep_proc_init+0x39/0x39 [ 512.554786] [] ? __class_register+0x48b/0x50b [ 512.576116] [] ? class_destroy+0x3a/0x3a [ 512.594536] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 512.612294] [] ? __class_create+0x40/0xc7 [ 512.631590] [] ? acpi_sleep_proc_init+0x39/0x39 [ 512.652482] [] do_one_initcall+0x16d/0x258 [ 512.673051] [] ? initcall_blacklisted+0x198/0x198 [ 512.696777] [] ? up_write+0x8c/0xd9 [ 512.711457] [] ? down_write_trylock+0x100/0x100 [ 512.731160] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 512.757353] [] kernel_init_freeable+0x457/0x518 [ 512.778487] [] kernel_init+0x16/0x181 [ 512.795775] [] ret_from_fork+0x1f/0x40 [ 512.815233] [] ? rest_init+0x8f/0x8f [ 512.834188] ================================================================================ [ 512.859609] ================================================================================ [ 512.885886] UBSAN: Undefined behaviour in kernel/irq/settings.h:147:15 [ 512.909460] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 512.937364] which requires 64 byte alignment [ 512.950904] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 512.974741] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 513.005142] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 513.029589] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 513.052731] ffff880000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 513.077660] Call Trace: [ 513.083591] [] dump_stack+0xd7/0x132 [ 513.103685] [] ? arch_local_irq_restore+0x1b/0x1b [ 513.122728] [] ubsan_epilogue+0x12/0x53 [ 513.143006] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 513.167033] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 513.187947] [] ? ubsan_epilogue+0x26/0x53 [ 513.207066] [] __setup_irq+0xf9a/0x171f [ 513.225773] [] ? __irq_set_trigger+0x64e/0x64e [ 513.246345] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 513.269003] [] ? kzalloc.constprop.9+0x2b/0x2d [ 513.286768] [] ? acpi_os_execute_deferred+0x79/0x79 [ 513.307246] [] request_threaded_irq+0x252/0x2b9 [ 513.330281] [] ? acpi_os_execute_deferred+0x79/0x79 [ 513.350587] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 513.375004] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 513.398726] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 513.421265] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 513.440269] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 513.463324] [] acpi_ev_install_sci_handler+0x49/0x4c [ 513.486948] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 513.507990] [] acpi_enable_subsystem+0xd5/0xe6 [ 513.527131] [] ? acpi_init+0x133/0x569 [ 513.546380] [] acpi_init+0x16a/0x569 [ 513.566561] [] ? acpi_sleep_proc_init+0x39/0x39 [ 513.584924] [] ? __class_register+0x48b/0x50b [ 513.610432] [] ? class_destroy+0x3a/0x3a [ 513.628238] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 513.649239] [] ? __class_create+0x40/0xc7 [ 513.670008] [] ? acpi_sleep_proc_init+0x39/0x39 [ 513.692743] [] do_one_initcall+0x16d/0x258 [ 513.712036] [] ? initcall_blacklisted+0x198/0x198 [ 513.735364] [] ? up_write+0x8c/0xd9 [ 513.753525] [] ? down_write_trylock+0x100/0x100 [ 513.775214] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 513.803301] [] kernel_init_freeable+0x457/0x518 [ 513.823061] [] kernel_init+0x16/0x181 [ 513.842617] [] ret_from_fork+0x1f/0x40 [ 513.860626] [] ? rest_init+0x8f/0x8f [ 513.877724] ================================================================================ [ 513.907732] ================================================================================ [ 513.936013] UBSAN: Undefined behaviour in kernel/irq/chip.c:194:14 [ 513.954865] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 513.984046] which requires 64 byte alignment [ 514.008871] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 514.030563] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 514.065241] 00000000ffffffff 00000000b1a89c60 ffff88005c9df978 ffffffffb26ec5cc [ 514.089233] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 514.118710] 0000000000000010 ffff88005c9df9a0 ffff88005c9df950 ffffffffb363c3e0 [ 514.144992] Call Trace: [ 514.157982] [] dump_stack+0xd7/0x132 [ 514.175619] [] ? arch_local_irq_restore+0x1b/0x1b [ 514.196863] [] ubsan_epilogue+0x12/0x53 [ 514.214063] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 514.237672] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 514.262331] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 514.288621] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 514.319645] [] irq_startup+0xac/0x1a3 [ 514.340262] [] __setup_irq+0xfc2/0x171f [ 514.360582] [] ? __irq_set_trigger+0x64e/0x64e [ 514.381334] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 514.405934] [] ? kzalloc.constprop.9+0x2b/0x2d [ 514.429945] [] ? acpi_os_execute_deferred+0x79/0x79 [ 514.456129] [] request_threaded_irq+0x252/0x2b9 [ 514.477945] [] ? acpi_os_execute_deferred+0x79/0x79 [ 514.498992] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 514.521976] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 514.549786] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 514.571370] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 514.598695] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 514.623210] [] acpi_ev_install_sci_handler+0x49/0x4c [ 514.649498] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 514.674500] [] acpi_enable_subsystem+0xd5/0xe6 [ 514.697834] [] ? acpi_init+0x133/0x569 [ 514.717162] [] acpi_init+0x16a/0x569 [ 514.730893] [] ? acpi_sleep_proc_init+0x39/0x39 [ 514.751060] [] ? __class_register+0x48b/0x50b [ 514.773525] [] ? class_destroy+0x3a/0x3a [ 514.789551] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 514.814154] [] ? __class_create+0x40/0xc7 [ 514.831809] [] ? acpi_sleep_proc_init+0x39/0x39 [ 514.851856] [] do_one_initcall+0x16d/0x258 [ 514.869395] [] ? initcall_blacklisted+0x198/0x198 [ 514.889811] [] ? up_write+0x8c/0xd9 [ 514.911272] [] ? down_write_trylock+0x100/0x100 [ 514.929146] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 514.952859] [] kernel_init_freeable+0x457/0x518 [ 514.973192] [] kernel_init+0x16/0x181 [ 514.992979] [] ret_from_fork+0x1f/0x40 [ 515.013724] [] ? rest_init+0x8f/0x8f [ 515.030553] ================================================================================ [ 515.058585] ================================================================================ [ 515.086566] UBSAN: Undefined behaviour in kernel/irq/chip.c:197:20 [ 515.107400] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 515.137482] which requires 64 byte alignment [ 515.156497] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 515.179289] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 515.210766] 00000000ffffffff 00000000b1a89c60 ffff88005c9df978 ffffffffb26ec5cc [ 515.237132] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 515.261011] 0000000000000010 ffff88005c9df9a0 ffff88005c9df950 ffffffffb363c3e0 [ 515.285309] Call Trace: [ 515.291770] [] dump_stack+0xd7/0x132 [ 515.306838] [] ? arch_local_irq_restore+0x1b/0x1b [ 515.327555] [] ubsan_epilogue+0x12/0x53 [ 515.351371] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 515.374796] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 515.396093] [] ? ioapic_set_affinity+0x253/0x253 [ 515.417088] [] irq_startup+0xe3/0x1a3 [ 515.433676] [] __setup_irq+0xfc2/0x171f [ 515.453141] [] ? __irq_set_trigger+0x64e/0x64e [ 515.475056] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 515.500041] [] ? kzalloc.constprop.9+0x2b/0x2d [ 515.519120] [] ? acpi_os_execute_deferred+0x79/0x79 [ 515.547177] [] request_threaded_irq+0x252/0x2b9 [ 515.566590] [] ? acpi_os_execute_deferred+0x79/0x79 [ 515.594257] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 515.613469] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 515.640651] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 515.663948] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 515.686045] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 515.711214] [] acpi_ev_install_sci_handler+0x49/0x4c [ 515.735034] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 515.755730] [] acpi_enable_subsystem+0xd5/0xe6 [ 515.776135] [] ? acpi_init+0x133/0x569 [ 515.793623] [] acpi_init+0x16a/0x569 [ 515.811785] [] ? acpi_sleep_proc_init+0x39/0x39 [ 515.829030] [] ? __class_register+0x48b/0x50b [ 515.851429] [] ? class_destroy+0x3a/0x3a [ 515.874319] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 515.900359] [] ? __class_create+0x40/0xc7 [ 515.918425] [] ? acpi_sleep_proc_init+0x39/0x39 [ 515.940983] [] do_one_initcall+0x16d/0x258 [ 515.961089] [] ? initcall_blacklisted+0x198/0x198 [ 515.985430] [] ? up_write+0x8c/0xd9 [ 516.004549] [] ? down_write_trylock+0x100/0x100 [ 516.026749] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 516.055851] [] kernel_init_freeable+0x457/0x518 [ 516.075521] [] kernel_init+0x16/0x181 [ 516.090600] [] ret_from_fork+0x1f/0x40 [ 516.107682] [] ? rest_init+0x8f/0x8f [ 516.125753] ================================================================================ [ 516.152857] ================================================================================ [ 516.183821] UBSAN: Undefined behaviour in kernel/irq/chip.c:198:23 [ 516.213739] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 516.243066] which requires 64 byte alignment [ 516.255236] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 516.276023] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 516.304455] 00000000ffffffff 00000000b1a89c60 ffff88005c9df978 ffffffffb26ec5cc [ 516.329927] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 516.359131] 0000000000000010 ffff88005c9df9a0 ffff88005c9df950 ffffffffb363c3e0 [ 516.382313] Call Trace: [ 516.390942] [] dump_stack+0xd7/0x132 [ 516.407340] [] ? arch_local_irq_restore+0x1b/0x1b [ 516.441147] [] ubsan_epilogue+0x12/0x53 [ 516.460633] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 516.482335] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 516.507103] [] ? ioapic_set_affinity+0x253/0x253 [ 516.528515] [] ? ioapic_ack_level+0x29e/0x29e [ 516.545854] [] irq_startup+0x13c/0x1a3 [ 516.567899] [] __setup_irq+0xfc2/0x171f [ 516.586841] [] ? __irq_set_trigger+0x64e/0x64e [ 516.608824] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 516.639549] [] ? kzalloc.constprop.9+0x2b/0x2d [ 516.661200] [] ? acpi_os_execute_deferred+0x79/0x79 [ 516.683128] [] request_threaded_irq+0x252/0x2b9 [ 516.705522] [] ? acpi_os_execute_deferred+0x79/0x79 [ 516.727521] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 516.748145] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 516.775476] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 516.796442] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 516.817638] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 516.841259] [] acpi_ev_install_sci_handler+0x49/0x4c [ 516.859244] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 516.881103] [] acpi_enable_subsystem+0xd5/0xe6 [ 516.899840] [] ? acpi_init+0x133/0x569 [ 516.919153] [] acpi_init+0x16a/0x569 [ 516.935597] [] ? acpi_sleep_proc_init+0x39/0x39 [ 516.955072] [] ? __class_register+0x48b/0x50b [ 516.976293] [] ? class_destroy+0x3a/0x3a [ 516.996341] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 517.018679] [] ? __class_create+0x40/0xc7 [ 517.036197] [] ? acpi_sleep_proc_init+0x39/0x39 [ 517.058559] [] do_one_initcall+0x16d/0x258 [ 517.078475] [] ? initcall_blacklisted+0x198/0x198 [ 517.098550] [] ? up_write+0x8c/0xd9 [ 517.112846] [] ? down_write_trylock+0x100/0x100 [ 517.135142] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 517.157704] [] kernel_init_freeable+0x457/0x518 [ 517.183900] [] kernel_init+0x16/0x181 [ 517.202539] [] ret_from_fork+0x1f/0x40 [ 517.221349] [] ? rest_init+0x8f/0x8f [ 517.240058] ================================================================================ [ 517.270536] ================================================================================ [ 517.297152] UBSAN: Undefined behaviour in kernel/irq/settings.h:82:13 [ 517.320423] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 517.350829] which requires 64 byte alignment [ 517.365118] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 517.382387] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 517.418782] 00000000ffffffff 00000000b1a89c60 ffff88005c9df950 ffffffffb26ec5cc [ 517.443946] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 517.471777] ffffffff00000010 ffff88005c9df978 ffff88005c9df928 ffffffffb363c3e0 [ 517.498998] Call Trace: [ 517.506889] [] dump_stack+0xd7/0x132 [ 517.525154] [] ? arch_local_irq_restore+0x1b/0x1b [ 517.547257] [] ubsan_epilogue+0x12/0x53 [ 517.562832] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 517.585035] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 517.608985] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 517.631836] [] ? io_apic_base+0x5f/0xa0 [ 517.651841] [] ? __unmask_ioapic+0x162/0x175 [ 517.672399] [] ? ioapic_ack_level+0x29e/0x29e [ 517.694314] [] check_irq_resend+0x2f/0x225 [ 517.716025] [] irq_startup+0x190/0x1a3 [ 517.732511] [] __setup_irq+0xfc2/0x171f [ 517.754603] [] ? __irq_set_trigger+0x64e/0x64e [ 517.777287] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 517.800434] [] ? kzalloc.constprop.9+0x2b/0x2d [ 517.821359] [] ? acpi_os_execute_deferred+0x79/0x79 [ 517.842117] [] request_threaded_irq+0x252/0x2b9 [ 517.860892] [] ? acpi_os_execute_deferred+0x79/0x79 [ 517.882670] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 517.906047] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 517.931295] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 517.949945] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 517.971084] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 517.992097] [] acpi_ev_install_sci_handler+0x49/0x4c [ 518.012715] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 518.039167] [] acpi_enable_subsystem+0xd5/0xe6 [ 518.062546] [] ? acpi_init+0x133/0x569 [ 518.082426] [] acpi_init+0x16a/0x569 [ 518.099999] [] ? acpi_sleep_proc_init+0x39/0x39 [ 518.118987] [] ? __class_register+0x48b/0x50b [ 518.135709] [] ? class_destroy+0x3a/0x3a [ 518.154904] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 518.176166] [] ? __class_create+0x40/0xc7 [ 518.196233] [] ? acpi_sleep_proc_init+0x39/0x39 [ 518.216297] [] do_one_initcall+0x16d/0x258 [ 518.233842] [] ? initcall_blacklisted+0x198/0x198 [ 518.256416] [] ? up_write+0x8c/0xd9 [ 518.276864] [] ? down_write_trylock+0x100/0x100 [ 518.295312] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 518.316167] [] kernel_init_freeable+0x457/0x518 [ 518.336046] [] kernel_init+0x16/0x181 [ 518.354002] [] ret_from_fork+0x1f/0x40 [ 518.371028] [] ? rest_init+0x8f/0x8f [ 518.385797] ================================================================================ [ 518.415159] ================================================================================ [ 518.441543] UBSAN: Undefined behaviour in kernel/irq/resend.c:65:16 [ 518.461265] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 518.491701] which requires 64 byte alignment [ 518.503130] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 518.522530] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 518.554122] 00000000ffffffff 00000000b1a89c60 ffff88005c9df950 ffffffffb26ec5cc [ 518.579421] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 518.603554] ffffffff00000010 ffff88005c9df978 ffff88005c9df928 ffffffffb363c3e0 [ 518.630458] Call Trace: [ 518.640026] [] dump_stack+0xd7/0x132 [ 518.656135] [] ? arch_local_irq_restore+0x1b/0x1b [ 518.677070] [] ubsan_epilogue+0x12/0x53 [ 518.693063] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 518.715726] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 518.740787] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 518.765273] [] ? io_apic_base+0x5f/0xa0 [ 518.783529] [] ? __unmask_ioapic+0x162/0x175 [ 518.804887] [] ? ioapic_ack_level+0x29e/0x29e [ 518.824630] [] check_irq_resend+0x69/0x225 [ 518.849797] [] irq_startup+0x190/0x1a3 [ 518.867136] [] __setup_irq+0xfc2/0x171f [ 518.883892] [] ? __irq_set_trigger+0x64e/0x64e [ 518.913868] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 518.937053] [] ? kzalloc.constprop.9+0x2b/0x2d [ 518.962211] [] ? acpi_os_execute_deferred+0x79/0x79 [ 518.983460] [] request_threaded_irq+0x252/0x2b9 [ 519.003634] [] ? acpi_os_execute_deferred+0x79/0x79 [ 519.023636] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 519.045232] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 519.069023] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 519.091692] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 519.117684] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 519.138683] [] acpi_ev_install_sci_handler+0x49/0x4c [ 519.160145] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 519.183086] [] acpi_enable_subsystem+0xd5/0xe6 [ 519.204097] [] ? acpi_init+0x133/0x569 [ 519.222129] [] acpi_init+0x16a/0x569 [ 519.238784] [] ? acpi_sleep_proc_init+0x39/0x39 [ 519.259339] [] ? __class_register+0x48b/0x50b [ 519.277971] [] ? class_destroy+0x3a/0x3a [ 519.296465] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 519.318963] [] ? __class_create+0x40/0xc7 [ 519.338783] [] ? acpi_sleep_proc_init+0x39/0x39 [ 519.360086] [] do_one_initcall+0x16d/0x258 [ 519.377551] [] ? initcall_blacklisted+0x198/0x198 [ 519.397556] [] ? up_write+0x8c/0xd9 [ 519.414923] [] ? down_write_trylock+0x100/0x100 [ 519.435383] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 519.456859] [] kernel_init_freeable+0x457/0x518 [ 519.477549] [] kernel_init+0x16/0x181 [ 519.495973] [] ret_from_fork+0x1f/0x40 [ 519.510680] [] ? rest_init+0x8f/0x8f [ 519.528678] ================================================================================ [ 519.556361] ================================================================================ [ 519.582237] UBSAN: Undefined behaviour in kernel/irq/resend.c:65:16 [ 519.601975] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 519.633499] which requires 64 byte alignment [ 519.649300] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 519.667795] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 519.699153] 00000000ffffffff 00000000b1a89c60 ffff88005c9df950 ffffffffb26ec5cc [ 519.725099] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 519.750201] ffffffff00000010 ffff88005c9df978 ffff88005c9df928 ffffffffb363c3e0 [ 519.773669] Call Trace: [ 519.782683] [] dump_stack+0xd7/0x132 [ 519.798988] [] ? arch_local_irq_restore+0x1b/0x1b [ 519.818527] [] ubsan_epilogue+0x12/0x53 [ 519.836597] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 519.859108] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 519.883833] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 519.910289] [] ? io_apic_base+0x5f/0xa0 [ 519.925570] [] ? __unmask_ioapic+0x162/0x175 [ 519.944858] [] ? ioapic_ack_level+0x29e/0x29e [ 519.967009] [] check_irq_resend+0x98/0x225 [ 519.990347] [] irq_startup+0x190/0x1a3 [ 520.006343] [] __setup_irq+0xfc2/0x171f [ 520.024254] [] ? __irq_set_trigger+0x64e/0x64e [ 520.044373] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 520.068502] [] ? kzalloc.constprop.9+0x2b/0x2d [ 520.089646] [] ? acpi_os_execute_deferred+0x79/0x79 [ 520.109945] [] request_threaded_irq+0x252/0x2b9 [ 520.132526] [] ? acpi_os_execute_deferred+0x79/0x79 [ 520.154994] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 520.176361] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 520.198049] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 520.221785] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 520.244864] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 520.266466] [] acpi_ev_install_sci_handler+0x49/0x4c [ 520.290921] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 520.314068] [] acpi_enable_subsystem+0xd5/0xe6 [ 520.334294] [] ? acpi_init+0x133/0x569 [ 520.350449] [] acpi_init+0x16a/0x569 [ 520.369441] [] ? acpi_sleep_proc_init+0x39/0x39 [ 520.388652] [] ? __class_register+0x48b/0x50b [ 520.407044] [] ? class_destroy+0x3a/0x3a [ 520.426524] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 520.448362] [] ? __class_create+0x40/0xc7 [ 520.463693] [] ? acpi_sleep_proc_init+0x39/0x39 [ 520.486333] [] do_one_initcall+0x16d/0x258 [ 520.504316] [] ? initcall_blacklisted+0x198/0x198 [ 520.526144] [] ? up_write+0x8c/0xd9 [ 520.544126] [] ? down_write_trylock+0x100/0x100 [ 520.563208] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 520.586334] [] kernel_init_freeable+0x457/0x518 [ 520.604096] [] kernel_init+0x16/0x181 [ 520.622291] [] ret_from_fork+0x1f/0x40 [ 520.642527] [] ? rest_init+0x8f/0x8f [ 520.662038] ================================================================================ [ 520.692760] ================================================================================ [ 520.718823] UBSAN: Undefined behaviour in kernel/irq/manage.c:1340:10 [ 520.741972] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 520.770174] which requires 64 byte alignment [ 520.782248] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 520.803842] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 520.834724] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 520.858973] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 520.885290] ffffffff00000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 520.914054] Call Trace: [ 520.922193] [] dump_stack+0xd7/0x132 [ 520.938413] [] ? arch_local_irq_restore+0x1b/0x1b [ 520.962308] [] ubsan_epilogue+0x12/0x53 [ 520.978932] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 521.000649] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 521.024788] [] __setup_irq+0x1018/0x171f [ 521.041976] [] ? __irq_set_trigger+0x64e/0x64e [ 521.061946] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 521.083939] [] ? kzalloc.constprop.9+0x2b/0x2d [ 521.105069] [] ? acpi_os_execute_deferred+0x79/0x79 [ 521.126004] [] request_threaded_irq+0x252/0x2b9 [ 521.149508] [] ? acpi_os_execute_deferred+0x79/0x79 [ 521.170631] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 521.191633] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 521.218393] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 521.240318] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 521.261707] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 521.289860] [] acpi_ev_install_sci_handler+0x49/0x4c [ 521.309563] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 521.335553] [] acpi_enable_subsystem+0xd5/0xe6 [ 521.352364] [] ? acpi_init+0x133/0x569 [ 521.372852] [] acpi_init+0x16a/0x569 [ 521.392375] [] ? acpi_sleep_proc_init+0x39/0x39 [ 521.412822] [] ? __class_register+0x48b/0x50b [ 521.434586] [] ? class_destroy+0x3a/0x3a [ 521.452138] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 521.473304] [] ? __class_create+0x40/0xc7 [ 521.494399] [] ? acpi_sleep_proc_init+0x39/0x39 [ 521.513796] [] do_one_initcall+0x16d/0x258 [ 521.531253] [] ? initcall_blacklisted+0x198/0x198 [ 521.551286] [] ? up_write+0x8c/0xd9 [ 521.567103] [] ? down_write_trylock+0x100/0x100 [ 521.588041] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 521.606809] [] kernel_init_freeable+0x457/0x518 [ 521.629588] [] kernel_init+0x16/0x181 [ 521.648826] [] ret_from_fork+0x1f/0x40 [ 521.665500] [] ? rest_init+0x8f/0x8f [ 521.684451] ================================================================================ [ 521.712460] ================================================================================ [ 521.746957] UBSAN: Undefined behaviour in kernel/irq/manage.c:127:21 [ 521.769622] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 521.798787] which requires 64 byte alignment [ 521.815267] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 521.836454] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 521.866252] 00000000ffffffff 00000000b1a89c60 ffff88005c9df948 ffffffffb26ec5cc [ 521.895492] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 521.921032] ffffed0000000010 ffff88005c9df970 ffff88005c9df920 ffffffffb363c3e0 [ 521.945369] Call Trace: [ 521.955629] [] dump_stack+0xd7/0x132 [ 521.973930] [] ? arch_local_irq_restore+0x1b/0x1b [ 521.997273] [] ubsan_epilogue+0x12/0x53 [ 522.016064] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 522.040702] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 522.064075] [] __irq_can_set_affinity+0x97/0x104 [ 522.083753] [] setup_affinity+0x42/0x23d [ 522.104227] [] __setup_irq+0x110d/0x171f [ 522.121108] [] ? __irq_set_trigger+0x64e/0x64e [ 522.140831] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 522.168840] [] ? kzalloc.constprop.9+0x2b/0x2d [ 522.186801] [] ? acpi_os_execute_deferred+0x79/0x79 [ 522.205965] [] request_threaded_irq+0x252/0x2b9 [ 522.226790] [] ? acpi_os_execute_deferred+0x79/0x79 [ 522.251154] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 522.271151] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 522.294909] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 522.318917] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 522.340345] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 522.362159] [] acpi_ev_install_sci_handler+0x49/0x4c [ 522.384781] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 522.403583] [] acpi_enable_subsystem+0xd5/0xe6 [ 522.422618] [] ? acpi_init+0x133/0x569 [ 522.443839] [] acpi_init+0x16a/0x569 [ 522.464581] [] ? acpi_sleep_proc_init+0x39/0x39 [ 522.486690] [] ? __class_register+0x48b/0x50b [ 522.504158] [] ? class_destroy+0x3a/0x3a [ 522.522183] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 522.542192] [] ? __class_create+0x40/0xc7 [ 522.557054] [] ? acpi_sleep_proc_init+0x39/0x39 [ 522.578114] [] do_one_initcall+0x16d/0x258 [ 522.598457] [] ? initcall_blacklisted+0x198/0x198 [ 522.619415] [] ? up_write+0x8c/0xd9 [ 522.635130] [] ? down_write_trylock+0x100/0x100 [ 522.658487] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 522.681538] [] kernel_init_freeable+0x457/0x518 [ 522.700159] [] kernel_init+0x16/0x181 [ 522.718626] [] ret_from_fork+0x1f/0x40 [ 522.738298] [] ? rest_init+0x8f/0x8f [ 522.757701] ================================================================================ [ 522.785836] ================================================================================ [ 522.817749] UBSAN: Undefined behaviour in kernel/irq/manage.c:127:45 [ 522.838773] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 522.866717] which requires 64 byte alignment [ 522.882891] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 522.901529] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 522.935788] 00000000ffffffff 00000000b1a89c60 ffff88005c9df948 ffffffffb26ec5cc [ 522.963175] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 522.985827] ffffed0000000010 ffff88005c9df970 ffff88005c9df920 ffffffffb363c3e0 [ 523.011843] Call Trace: [ 523.019744] [] dump_stack+0xd7/0x132 [ 523.037664] [] ? arch_local_irq_restore+0x1b/0x1b [ 523.056556] [] ubsan_epilogue+0x12/0x53 [ 523.076270] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 523.102986] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 523.125437] [] __irq_can_set_affinity+0xcb/0x104 [ 523.146383] [] setup_affinity+0x42/0x23d [ 523.166390] [] __setup_irq+0x110d/0x171f [ 523.184141] [] ? __irq_set_trigger+0x64e/0x64e [ 523.204322] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 523.226604] [] ? kzalloc.constprop.9+0x2b/0x2d [ 523.247833] [] ? acpi_os_execute_deferred+0x79/0x79 [ 523.271756] [] request_threaded_irq+0x252/0x2b9 [ 523.294107] [] ? acpi_os_execute_deferred+0x79/0x79 [ 523.313417] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 523.334918] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 523.358293] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 523.378355] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 523.402994] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 523.425816] [] acpi_ev_install_sci_handler+0x49/0x4c [ 523.446521] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 523.474361] [] acpi_enable_subsystem+0xd5/0xe6 [ 523.495710] [] ? acpi_init+0x133/0x569 [ 523.513237] [] acpi_init+0x16a/0x569 [ 523.532070] [] ? acpi_sleep_proc_init+0x39/0x39 [ 523.555692] [] ? __class_register+0x48b/0x50b [ 523.574929] [] ? class_destroy+0x3a/0x3a [ 523.591928] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 523.610465] [] ? __class_create+0x40/0xc7 [ 523.628468] [] ? acpi_sleep_proc_init+0x39/0x39 [ 523.649018] [] do_one_initcall+0x16d/0x258 [ 523.666352] [] ? initcall_blacklisted+0x198/0x198 [ 523.685178] [] ? up_write+0x8c/0xd9 [ 523.702633] [] ? down_write_trylock+0x100/0x100 [ 523.722355] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 523.749164] [] kernel_init_freeable+0x457/0x518 [ 523.774564] [] kernel_init+0x16/0x181 [ 523.795566] [] ret_from_fork+0x1f/0x40 [ 523.817209] [] ? rest_init+0x8f/0x8f [ 523.837410] ================================================================================ [ 523.867088] ================================================================================ [ 523.897564] UBSAN: Undefined behaviour in kernel/irq/manage.c:170:2 [ 523.918769] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 523.945886] which requires 64 byte alignment [ 523.958204] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 523.977279] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 524.007809] 00000000ffffffff 00000000b1a89c60 ffff88005c9df908 ffffffffb26ec5cc [ 524.032717] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 524.059640] ffff880000000010 ffff88005c9df930 ffff88005c9df8e0 ffffffffb363c3e0 [ 524.089553] Call Trace: [ 524.097079] [] dump_stack+0xd7/0x132 [ 524.116279] [] ? arch_local_irq_restore+0x1b/0x1b [ 524.138660] [] ubsan_epilogue+0x12/0x53 [ 524.156591] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 524.180652] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 524.203393] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 524.225432] [] irq_set_thread_affinity+0x2d/0xb7 [ 524.245356] [] irq_do_set_affinity+0xd1/0xea [ 524.264268] [] ? __bitmap_and+0xcc/0x1e2 [ 524.286238] [] setup_affinity+0x229/0x23d [ 524.306771] [] __setup_irq+0x110d/0x171f [ 524.324839] [] ? __irq_set_trigger+0x64e/0x64e [ 524.348137] [] ? acpi_os_execute_deferred+0x79/0x79 [ 524.370151] [] request_threaded_irq+0x252/0x2b9 [ 524.395257] [] ? acpi_os_execute_deferred+0x79/0x79 [ 524.418017] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 524.440128] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 524.462275] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 524.485155] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 524.508595] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 524.528547] [] acpi_ev_install_sci_handler+0x49/0x4c [ 524.550315] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 524.575112] [] acpi_enable_subsystem+0xd5/0xe6 [ 524.594135] [] ? acpi_init+0x133/0x569 [ 524.612151] [] acpi_init+0x16a/0x569 [ 524.625575] [] ? acpi_sleep_proc_init+0x39/0x39 [ 524.649281] [] ? __class_register+0x48b/0x50b [ 524.671007] [] ? class_destroy+0x3a/0x3a [ 524.689702] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 524.713518] [] ? __class_create+0x40/0xc7 [ 524.729360] [] ? acpi_sleep_proc_init+0x39/0x39 [ 524.750491] [] do_one_initcall+0x16d/0x258 [ 524.766660] [] ? initcall_blacklisted+0x198/0x198 [ 524.786273] [] ? up_write+0x8c/0xd9 [ 524.805284] [] ? down_write_trylock+0x100/0x100 [ 524.827070] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 524.857478] [] kernel_init_freeable+0x457/0x518 [ 524.878675] [] kernel_init+0x16/0x181 [ 524.896116] [] ret_from_fork+0x1f/0x40 [ 524.917404] [] ? rest_init+0x8f/0x8f [ 524.934250] ================================================================================ [ 524.961226] ================================================================================ [ 524.992780] UBSAN: Undefined behaviour in kernel/irq/pm.c:36:6 [ 525.010680] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 525.039589] which requires 64 byte alignment [ 525.051273] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 525.070158] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 525.097956] 00000000ffffffff 00000000b1a89c60 ffff88005c9df970 ffffffffb26ec5cc [ 525.123225] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 525.148433] 1ffff10000000010 ffff88005c9df998 ffff88005c9df948 ffffffffb363c3e0 [ 525.176122] Call Trace: [ 525.182870] [] dump_stack+0xd7/0x132 [ 525.200995] [] ? arch_local_irq_restore+0x1b/0x1b [ 525.222495] [] ubsan_epilogue+0x12/0x53 [ 525.242760] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 525.272290] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 525.297080] [] ? irq_do_set_affinity+0xdb/0xea [ 525.316431] [] irq_pm_install_action+0x37/0x3ce [ 525.340161] [] __setup_irq+0x1228/0x171f [ 525.358040] [] ? __irq_set_trigger+0x64e/0x64e [ 525.378758] [] ? acpi_os_execute_deferred+0x79/0x79 [ 525.400687] [] request_threaded_irq+0x252/0x2b9 [ 525.421473] [] ? acpi_os_execute_deferred+0x79/0x79 [ 525.443958] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 525.462192] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 525.489792] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 525.511807] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 525.532429] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 525.558397] [] acpi_ev_install_sci_handler+0x49/0x4c [ 525.579793] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 525.603133] [] acpi_enable_subsystem+0xd5/0xe6 [ 525.624102] [] ? acpi_init+0x133/0x569 [ 525.644897] [] acpi_init+0x16a/0x569 [ 525.661791] [] ? acpi_sleep_proc_init+0x39/0x39 [ 525.684828] [] ? __class_register+0x48b/0x50b [ 525.704936] [] ? class_destroy+0x3a/0x3a [ 525.722896] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 525.745033] [] ? __class_create+0x40/0xc7 [ 525.765403] [] ? acpi_sleep_proc_init+0x39/0x39 [ 525.785903] [] do_one_initcall+0x16d/0x258 [ 525.807959] [] ? initcall_blacklisted+0x198/0x198 [ 525.827661] [] ? up_write+0x8c/0xd9 [ 525.845018] [] ? down_write_trylock+0x100/0x100 [ 525.868527] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 525.895336] [] kernel_init_freeable+0x457/0x518 [ 525.913902] [] kernel_init+0x16/0x181 [ 525.930339] [] ret_from_fork+0x1f/0x40 [ 525.948330] [] ? rest_init+0x8f/0x8f [ 525.968137] ================================================================================ [ 525.994713] ================================================================================ [ 526.020848] UBSAN: Undefined behaviour in kernel/irq/pm.c:36:18 [ 526.041455] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 526.073185] which requires 64 byte alignment [ 526.085183] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 526.103063] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 526.136201] 00000000ffffffff 00000000b1a89c60 ffff88005c9df970 ffffffffb26ec5cc [ 526.159729] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 526.190624] 1ffff10000000010 ffff88005c9df998 ffff88005c9df948 ffffffffb363c3e0 [ 526.217740] Call Trace: [ 526.225374] [] dump_stack+0xd7/0x132 [ 526.244203] [] ? arch_local_irq_restore+0x1b/0x1b [ 526.263883] [] ubsan_epilogue+0x12/0x53 [ 526.284527] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 526.308856] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 526.335697] [] ? irq_do_set_affinity+0xdb/0xea [ 526.356011] [] irq_pm_install_action+0x6d/0x3ce [ 526.375935] [] __setup_irq+0x1228/0x171f [ 526.396329] [] ? __irq_set_trigger+0x64e/0x64e [ 526.416026] [] ? acpi_os_execute_deferred+0x79/0x79 [ 526.437281] [] request_threaded_irq+0x252/0x2b9 [ 526.455434] [] ? acpi_os_execute_deferred+0x79/0x79 [ 526.480613] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 526.502965] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 526.524090] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 526.543265] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 526.563237] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 526.580100] [] acpi_ev_install_sci_handler+0x49/0x4c [ 526.601160] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 526.630122] [] acpi_enable_subsystem+0xd5/0xe6 [ 526.652316] [] ? acpi_init+0x133/0x569 [ 526.671125] [] acpi_init+0x16a/0x569 [ 526.686247] [] ? acpi_sleep_proc_init+0x39/0x39 [ 526.710135] [] ? __class_register+0x48b/0x50b [ 526.739360] [] ? class_destroy+0x3a/0x3a [ 526.758485] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 526.779722] [] ? __class_create+0x40/0xc7 [ 526.808583] [] ? acpi_sleep_proc_init+0x39/0x39 [ 526.842976] [] do_one_initcall+0x16d/0x258 [ 526.875826] [] ? initcall_blacklisted+0x198/0x198 [ 526.908950] [] ? up_write+0x8c/0xd9 [ 526.940017] [] ? down_write_trylock+0x100/0x100 [ 526.967198] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 527.001874] [] kernel_init_freeable+0x457/0x518 [ 527.023528] [] kernel_init+0x16/0x181 [ 527.043393] [] ret_from_fork+0x1f/0x40 [ 527.064831] [] ? rest_init+0x8f/0x8f [ 527.081248] ================================================================================ [ 527.117190] ================================================================================ [ 527.143824] UBSAN: Undefined behaviour in kernel/irq/pm.c:38:12 [ 527.165328] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 527.195820] which requires 64 byte alignment [ 527.211357] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 527.232542] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 527.265110] 00000000ffffffff 00000000b1a89c60 ffff88005c9df970 ffffffffb26ec5cc [ 527.287822] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 527.317927] 1ffff10000000010 ffff88005c9df998 ffff88005c9df948 ffffffffb363c3e0 [ 527.343528] Call Trace: [ 527.351918] [] dump_stack+0xd7/0x132 [ 527.369073] [] ? arch_local_irq_restore+0x1b/0x1b [ 527.389025] [] ubsan_epilogue+0x12/0x53 [ 527.405119] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 527.430770] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 527.457957] [] ? irq_do_set_affinity+0xdb/0xea [ 527.480043] [] irq_pm_install_action+0x8e/0x3ce [ 527.499514] [] __setup_irq+0x1228/0x171f [ 527.521971] [] ? __irq_set_trigger+0x64e/0x64e [ 527.542506] [] ? acpi_os_execute_deferred+0x79/0x79 [ 527.567036] [] request_threaded_irq+0x252/0x2b9 [ 527.591392] [] ? acpi_os_execute_deferred+0x79/0x79 [ 527.610550] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 527.637383] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 527.664684] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 527.690307] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 527.715939] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 527.738900] [] acpi_ev_install_sci_handler+0x49/0x4c [ 527.764613] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 527.789624] [] acpi_enable_subsystem+0xd5/0xe6 [ 527.817403] [] ? acpi_init+0x133/0x569 [ 527.837618] [] acpi_init+0x16a/0x569 [ 527.855304] [] ? acpi_sleep_proc_init+0x39/0x39 [ 527.876502] [] ? __class_register+0x48b/0x50b [ 527.900674] [] ? class_destroy+0x3a/0x3a [ 527.922686] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 527.947200] [] ? __class_create+0x40/0xc7 [ 527.967195] [] ? acpi_sleep_proc_init+0x39/0x39 [ 527.988925] [] do_one_initcall+0x16d/0x258 [ 528.005971] [] ? initcall_blacklisted+0x198/0x198 [ 528.026690] [] ? up_write+0x8c/0xd9 [ 528.043954] [] ? down_write_trylock+0x100/0x100 [ 528.066245] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 528.088929] [] kernel_init_freeable+0x457/0x518 [ 528.113066] [] kernel_init+0x16/0x181 [ 528.130608] [] ret_from_fork+0x1f/0x40 [ 528.155823] [] ? rest_init+0x8f/0x8f [ 528.178407] ================================================================================ [ 528.207594] ================================================================================ [ 528.238499] UBSAN: Undefined behaviour in kernel/irq/pm.c:41:2 [ 528.261806] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 528.294258] which requires 64 byte alignment [ 528.313727] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 528.337265] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 528.370770] 00000000ffffffff 00000000b1a89c60 ffff88005c9df970 ffffffffb26ec5cc [ 528.399827] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 528.425112] 1ffff10000000010 ffff88005c9df998 ffff88005c9df948 ffffffffb363c3e0 [ 528.454553] Call Trace: [ 528.463131] [] dump_stack+0xd7/0x132 [ 528.479793] [] ? arch_local_irq_restore+0x1b/0x1b [ 528.499416] [] ubsan_epilogue+0x12/0x53 [ 528.517749] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 528.540143] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 528.565559] [] ? irq_do_set_affinity+0xdb/0xea [ 528.583470] [] irq_pm_install_action+0x11b/0x3ce [ 528.605893] [] __setup_irq+0x1228/0x171f [ 528.626957] [] ? __irq_set_trigger+0x64e/0x64e [ 528.651601] [] ? acpi_os_execute_deferred+0x79/0x79 [ 528.676576] [] request_threaded_irq+0x252/0x2b9 [ 528.697588] [] ? acpi_os_execute_deferred+0x79/0x79 [ 528.718788] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 528.742838] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 528.765342] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 528.789653] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 528.814411] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 528.835459] [] acpi_ev_install_sci_handler+0x49/0x4c [ 528.854353] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 528.875731] [] acpi_enable_subsystem+0xd5/0xe6 [ 528.895785] [] ? acpi_init+0x133/0x569 [ 528.914766] [] acpi_init+0x16a/0x569 [ 528.927808] [] ? acpi_sleep_proc_init+0x39/0x39 [ 528.951586] [] ? __class_register+0x48b/0x50b [ 528.973805] [] ? class_destroy+0x3a/0x3a [ 528.991644] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 529.017218] [] ? __class_create+0x40/0xc7 [ 529.038452] [] ? acpi_sleep_proc_init+0x39/0x39 [ 529.065306] [] do_one_initcall+0x16d/0x258 [ 529.089447] [] ? initcall_blacklisted+0x198/0x198 [ 529.115641] [] ? up_write+0x8c/0xd9 [ 529.137119] [] ? down_write_trylock+0x100/0x100 [ 529.161912] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 529.192174] [] kernel_init_freeable+0x457/0x518 [ 529.218304] [] kernel_init+0x16/0x181 [ 529.239021] [] ret_from_fork+0x1f/0x40 [ 529.263527] [] ? rest_init+0x8f/0x8f [ 529.285957] ================================================================================ [ 529.324610] ================================================================================ [ 529.365027] UBSAN: Undefined behaviour in kernel/irq/pm.c:44:12 [ 529.387436] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 529.418134] which requires 64 byte alignment [ 529.430405] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 529.447398] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 529.477706] 00000000ffffffff 00000000b1a89c60 ffff88005c9df970 ffffffffb26ec5cc [ 529.501771] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 529.524519] 1ffff10000000010 ffff88005c9df998 ffff88005c9df948 ffffffffb363c3e0 [ 529.556785] Call Trace: [ 529.563164] [] dump_stack+0xd7/0x132 [ 529.582589] [] ? arch_local_irq_restore+0x1b/0x1b [ 529.603291] [] ubsan_epilogue+0x12/0x53 [ 529.621409] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 529.644894] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 529.668661] [] ? irq_do_set_affinity+0xdb/0xea [ 529.692515] [] irq_pm_install_action+0x1dd/0x3ce [ 529.716898] [] __setup_irq+0x1228/0x171f [ 529.734617] [] ? __irq_set_trigger+0x64e/0x64e [ 529.753762] [] ? acpi_os_execute_deferred+0x79/0x79 [ 529.776346] [] request_threaded_irq+0x252/0x2b9 [ 529.797935] [] ? acpi_os_execute_deferred+0x79/0x79 [ 529.818995] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 529.838880] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 529.861725] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 529.882715] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 529.904671] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 529.925119] [] acpi_ev_install_sci_handler+0x49/0x4c [ 529.946662] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 529.972675] [] acpi_enable_subsystem+0xd5/0xe6 [ 529.992020] [] ? acpi_init+0x133/0x569 [ 530.009941] [] acpi_init+0x16a/0x569 [ 530.026341] [] ? acpi_sleep_proc_init+0x39/0x39 [ 530.046660] [] ? __class_register+0x48b/0x50b [ 530.065904] [] ? class_destroy+0x3a/0x3a [ 530.083946] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 530.105390] [] ? __class_create+0x40/0xc7 [ 530.124164] [] ? acpi_sleep_proc_init+0x39/0x39 [ 530.144960] [] do_one_initcall+0x16d/0x258 [ 530.163782] [] ? initcall_blacklisted+0x198/0x198 [ 530.186449] [] ? up_write+0x8c/0xd9 [ 530.202636] [] ? down_write_trylock+0x100/0x100 [ 530.222143] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 530.245599] [] kernel_init_freeable+0x457/0x518 [ 530.266043] [] kernel_init+0x16/0x181 [ 530.285449] [] ret_from_fork+0x1f/0x40 [ 530.303902] [] ? rest_init+0x8f/0x8f [ 530.322073] ================================================================================ [ 530.348105] ================================================================================ [ 530.376385] UBSAN: Undefined behaviour in kernel/irq/pm.c:46:17 [ 530.397744] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 530.424503] which requires 64 byte alignment [ 530.440906] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 530.459441] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 530.493958] 00000000ffffffff 00000000b1a89c60 ffff88005c9df970 ffffffffb26ec5cc [ 530.520202] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 530.544886] 1ffff10000000010 ffff88005c9df998 ffff88005c9df948 ffffffffb363c3e0 [ 530.570180] Call Trace: [ 530.581191] [] dump_stack+0xd7/0x132 [ 530.600769] [] ? arch_local_irq_restore+0x1b/0x1b [ 530.622966] [] ubsan_epilogue+0x12/0x53 [ 530.641960] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 530.664825] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 530.685261] [] ? irq_do_set_affinity+0xdb/0xea [ 530.705028] [] irq_pm_install_action+0x269/0x3ce [ 530.725864] [] __setup_irq+0x1228/0x171f [ 530.744186] [] ? __irq_set_trigger+0x64e/0x64e [ 530.765707] [] ? acpi_os_execute_deferred+0x79/0x79 [ 530.787830] [] request_threaded_irq+0x252/0x2b9 [ 530.810012] [] ? acpi_os_execute_deferred+0x79/0x79 [ 530.829538] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 530.850198] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 530.871831] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 530.893706] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 530.919359] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 530.943949] [] acpi_ev_install_sci_handler+0x49/0x4c [ 530.964782] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 530.988237] [] acpi_enable_subsystem+0xd5/0xe6 [ 531.007950] [] ? acpi_init+0x133/0x569 [ 531.023454] [] acpi_init+0x16a/0x569 [ 531.040244] [] ? acpi_sleep_proc_init+0x39/0x39 [ 531.060488] [] ? __class_register+0x48b/0x50b [ 531.080511] [] ? class_destroy+0x3a/0x3a [ 531.098391] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 531.119823] [] ? __class_create+0x40/0xc7 [ 531.139564] [] ? acpi_sleep_proc_init+0x39/0x39 [ 531.159887] [] do_one_initcall+0x16d/0x258 [ 531.176521] [] ? initcall_blacklisted+0x198/0x198 [ 531.198294] [] ? up_write+0x8c/0xd9 [ 531.215264] [] ? down_write_trylock+0x100/0x100 [ 531.236317] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 531.259173] [] kernel_init_freeable+0x457/0x518 [ 531.278839] [] kernel_init+0x16/0x181 [ 531.296737] [] ret_from_fork+0x1f/0x40 [ 531.316687] [] ? rest_init+0x8f/0x8f [ 531.333533] ================================================================================ [ 531.360461] ================================================================================ [ 531.389119] UBSAN: Undefined behaviour in kernel/irq/pm.c:49:2 [ 531.413020] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 531.439408] which requires 64 byte alignment [ 531.455335] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 531.473652] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 531.504325] 00000000ffffffff 00000000b1a89c60 ffff88005c9df970 ffffffffb26ec5cc [ 531.528995] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 531.556271] 1ffff10000000010 ffff88005c9df998 ffff88005c9df948 ffffffffb363c3e0 [ 531.581020] Call Trace: [ 531.589464] [] dump_stack+0xd7/0x132 [ 531.604730] [] ? arch_local_irq_restore+0x1b/0x1b [ 531.627695] [] ubsan_epilogue+0x12/0x53 [ 531.645439] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 531.671472] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 531.697092] [] ? irq_do_set_affinity+0xdb/0xea [ 531.718375] [] irq_pm_install_action+0x2e2/0x3ce [ 531.738407] [] __setup_irq+0x1228/0x171f [ 531.757038] [] ? __irq_set_trigger+0x64e/0x64e [ 531.779611] [] ? acpi_os_execute_deferred+0x79/0x79 [ 531.799954] [] request_threaded_irq+0x252/0x2b9 [ 531.820951] [] ? acpi_os_execute_deferred+0x79/0x79 [ 531.842519] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 531.862771] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 531.890535] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 531.910847] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 531.934880] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 531.952399] [] acpi_ev_install_sci_handler+0x49/0x4c [ 531.974626] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 531.996447] [] acpi_enable_subsystem+0xd5/0xe6 [ 532.015618] [] ? acpi_init+0x133/0x569 [ 532.031030] [] acpi_init+0x16a/0x569 [ 532.047316] [] ? acpi_sleep_proc_init+0x39/0x39 [ 532.065718] [] ? __class_register+0x48b/0x50b [ 532.084918] [] ? class_destroy+0x3a/0x3a [ 532.103396] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 532.128236] [] ? __class_create+0x40/0xc7 [ 532.146162] [] ? acpi_sleep_proc_init+0x39/0x39 [ 532.165504] [] do_one_initcall+0x16d/0x258 [ 532.185082] [] ? initcall_blacklisted+0x198/0x198 [ 532.205754] [] ? up_write+0x8c/0xd9 [ 532.220793] [] ? down_write_trylock+0x100/0x100 [ 532.240808] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 532.262753] [] kernel_init_freeable+0x457/0x518 [ 532.283572] [] kernel_init+0x16/0x181 [ 532.300744] [] ret_from_fork+0x1f/0x40 [ 532.320701] [] ? rest_init+0x8f/0x8f [ 532.339610] ================================================================================ [ 532.367433] ================================================================================ [ 532.394923] UBSAN: Undefined behaviour in kernel/irq/manage.c:1363:18 [ 532.415402] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 532.444920] which requires 64 byte alignment [ 532.458213] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 532.476310] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 532.504006] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 532.533874] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 532.560053] ffffffff00000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 532.583803] Call Trace: [ 532.593694] [] dump_stack+0xd7/0x132 [ 532.610170] [] ? arch_local_irq_restore+0x1b/0x1b [ 532.634198] [] ubsan_epilogue+0x12/0x53 [ 532.650475] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 532.673854] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 532.703408] [] ? irq_pm_install_action+0x3c2/0x3ce [ 532.722437] [] __setup_irq+0x1242/0x171f [ 532.741331] [] ? __irq_set_trigger+0x64e/0x64e [ 532.760501] [] ? acpi_os_execute_deferred+0x79/0x79 [ 532.781765] [] request_threaded_irq+0x252/0x2b9 [ 532.798784] [] ? acpi_os_execute_deferred+0x79/0x79 [ 532.821121] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 532.844606] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 532.870446] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 532.893495] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 532.915468] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 532.937068] [] acpi_ev_install_sci_handler+0x49/0x4c [ 532.957757] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 532.980301] [] acpi_enable_subsystem+0xd5/0xe6 [ 533.001083] [] ? acpi_init+0x133/0x569 [ 533.022905] [] acpi_init+0x16a/0x569 [ 533.041752] [] ? acpi_sleep_proc_init+0x39/0x39 [ 533.063487] [] ? __class_register+0x48b/0x50b [ 533.085600] [] ? class_destroy+0x3a/0x3a [ 533.107660] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 533.135788] [] ? __class_create+0x40/0xc7 [ 533.155198] [] ? acpi_sleep_proc_init+0x39/0x39 [ 533.176199] [] do_one_initcall+0x16d/0x258 [ 533.198729] [] ? initcall_blacklisted+0x198/0x198 [ 533.223045] [] ? up_write+0x8c/0xd9 [ 533.241451] [] ? down_write_trylock+0x100/0x100 [ 533.265869] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 533.289514] [] kernel_init_freeable+0x457/0x518 [ 533.316278] [] kernel_init+0x16/0x181 [ 533.336068] [] ret_from_fork+0x1f/0x40 [ 533.353836] [] ? rest_init+0x8f/0x8f [ 533.370402] ================================================================================ [ 533.401743] ================================================================================ [ 533.430318] UBSAN: Undefined behaviour in kernel/irq/manage.c:1364:23 [ 533.453313] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 533.481521] which requires 64 byte alignment [ 533.496973] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 533.520054] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 533.548107] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 533.574239] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 533.597736] ffffffff00000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 533.619610] Call Trace: [ 533.627259] [] dump_stack+0xd7/0x132 [ 533.641651] [] ? arch_local_irq_restore+0x1b/0x1b [ 533.661554] [] ubsan_epilogue+0x12/0x53 [ 533.676267] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 533.699352] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 533.723880] [] ? irq_pm_install_action+0x3c2/0x3ce [ 533.745071] [] __setup_irq+0x1273/0x171f [ 533.766910] [] ? __irq_set_trigger+0x64e/0x64e [ 533.786710] [] ? acpi_os_execute_deferred+0x79/0x79 [ 533.812148] [] request_threaded_irq+0x252/0x2b9 [ 533.837438] [] ? acpi_os_execute_deferred+0x79/0x79 [ 533.862514] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 533.889524] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 533.919713] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 533.942854] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 533.967493] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 533.995784] [] acpi_ev_install_sci_handler+0x49/0x4c [ 534.021674] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 534.049662] [] acpi_enable_subsystem+0xd5/0xe6 [ 534.071302] [] ? acpi_init+0x133/0x569 [ 534.093706] [] acpi_init+0x16a/0x569 [ 534.114968] [] ? acpi_sleep_proc_init+0x39/0x39 [ 534.135414] [] ? __class_register+0x48b/0x50b [ 534.157298] [] ? class_destroy+0x3a/0x3a [ 534.176536] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 534.202030] [] ? __class_create+0x40/0xc7 [ 534.222242] [] ? acpi_sleep_proc_init+0x39/0x39 [ 534.245011] [] do_one_initcall+0x16d/0x258 [ 534.268972] [] ? initcall_blacklisted+0x198/0x198 [ 534.298255] [] ? up_write+0x8c/0xd9 [ 534.318762] [] ? down_write_trylock+0x100/0x100 [ 534.417962] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 534.469141] [] kernel_init_freeable+0x457/0x518 [ 534.500846] [] kernel_init+0x16/0x181 [ 534.537059] [] ret_from_fork+0x1f/0x40 [ 534.558291] [] ? rest_init+0x8f/0x8f [ 534.584396] ================================================================================ [ 534.618509] ================================================================================ [ 534.664643] UBSAN: Undefined behaviour in kernel/irq/manage.c:1381:9 [ 534.723005] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 534.794689] which requires 64 byte alignment [ 534.821841] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 534.858392] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 534.910094] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 534.946362] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 535.105073] ffffffff00000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 535.169382] Call Trace: [ 535.181755] [] dump_stack+0xd7/0x132 [ 535.207909] [] ? arch_local_irq_restore+0x1b/0x1b [ 535.239168] [] ubsan_epilogue+0x12/0x53 [ 535.260231] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 535.287900] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 535.320745] [] ? arch_local_irq_restore+0x6/0xd [ 535.350285] [] __setup_irq+0x134c/0x171f [ 535.375599] [] ? __irq_set_trigger+0x64e/0x64e [ 535.405480] [] ? acpi_os_execute_deferred+0x79/0x79 [ 535.427878] [] request_threaded_irq+0x252/0x2b9 [ 535.450116] [] ? acpi_os_execute_deferred+0x79/0x79 [ 535.470413] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 535.502092] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 535.573185] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 535.598479] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 535.628392] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 535.665635] [] acpi_ev_install_sci_handler+0x49/0x4c [ 535.692931] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 535.723750] [] acpi_enable_subsystem+0xd5/0xe6 [ 535.753371] [] ? acpi_init+0x133/0x569 [ 535.777914] [] acpi_init+0x16a/0x569 [ 535.802130] [] ? acpi_sleep_proc_init+0x39/0x39 [ 535.830684] [] ? __class_register+0x48b/0x50b [ 535.855744] [] ? class_destroy+0x3a/0x3a [ 535.882586] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 535.913485] [] ? __class_create+0x40/0xc7 [ 535.935456] [] ? acpi_sleep_proc_init+0x39/0x39 [ 535.959995] [] do_one_initcall+0x16d/0x258 [ 535.983399] [] ? initcall_blacklisted+0x198/0x198 [ 536.013845] [] ? up_write+0x8c/0xd9 [ 536.035762] [] ? down_write_trylock+0x100/0x100 [ 536.059721] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 536.087166] [] kernel_init_freeable+0x457/0x518 [ 536.111337] [] kernel_init+0x16/0x181 [ 536.132175] [] ret_from_fork+0x1f/0x40 [ 536.156621] [] ? rest_init+0x8f/0x8f [ 536.179954] ================================================================================ [ 536.211336] ================================================================================ [ 536.241150] UBSAN: Undefined behaviour in kernel/irq/manage.c:1383:9 [ 536.267204] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 536.335394] which requires 64 byte alignment [ 536.352157] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 536.377346] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 536.424336] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 536.452280] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 536.479325] ffff880000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 536.508635] Call Trace: [ 536.521013] [] dump_stack+0xd7/0x132 [ 536.544681] [] ? arch_local_irq_restore+0x1b/0x1b [ 536.568875] [] ubsan_epilogue+0x12/0x53 [ 536.592812] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 536.616823] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 536.646863] [] ? arch_local_irq_restore+0x6/0xd [ 536.676529] [] __setup_irq+0x13a2/0x171f [ 536.699736] [] ? __irq_set_trigger+0x64e/0x64e [ 536.727924] [] ? acpi_os_execute_deferred+0x79/0x79 [ 536.751735] [] request_threaded_irq+0x252/0x2b9 [ 536.777003] [] ? acpi_os_execute_deferred+0x79/0x79 [ 536.812291] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 536.839911] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 536.874799] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 536.897386] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 536.935670] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 536.968959] [] acpi_ev_install_sci_handler+0x49/0x4c [ 537.000206] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 537.032072] [] acpi_enable_subsystem+0xd5/0xe6 [ 537.062106] [] ? acpi_init+0x133/0x569 [ 537.084225] [] acpi_init+0x16a/0x569 [ 537.103609] [] ? acpi_sleep_proc_init+0x39/0x39 [ 537.130046] [] ? __class_register+0x48b/0x50b [ 537.157463] [] ? class_destroy+0x3a/0x3a [ 537.182929] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 537.215230] [] ? __class_create+0x40/0xc7 [ 537.238295] [] ? acpi_sleep_proc_init+0x39/0x39 [ 537.266223] [] do_one_initcall+0x16d/0x258 [ 537.288492] [] ? initcall_blacklisted+0x198/0x198 [ 537.314204] [] ? up_write+0x8c/0xd9 [ 537.336728] [] ? down_write_trylock+0x100/0x100 [ 537.361958] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 537.392238] [] kernel_init_freeable+0x457/0x518 [ 537.414456] [] kernel_init+0x16/0x181 [ 537.438372] [] ret_from_fork+0x1f/0x40 [ 537.460125] [] ? rest_init+0x8f/0x8f [ 537.484795] ================================================================================ [ 537.521300] ================================================================================ [ 537.566334] UBSAN: Undefined behaviour in kernel/irq/manage.c:1387:11 [ 537.609208] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 537.646746] which requires 64 byte alignment [ 537.664532] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 537.686332] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 537.723210] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b0 ffffffffb26ec5cc [ 537.760220] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 537.793791] ffff880000000010 ffff88005c9df9d8 ffff88005c9df988 ffffffffb363c3e0 [ 537.828287] Call Trace: [ 537.837839] [] dump_stack+0xd7/0x132 [ 537.854130] [] ? arch_local_irq_restore+0x1b/0x1b [ 537.879214] [] ubsan_epilogue+0x12/0x53 [ 537.900199] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 537.927477] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 537.955307] [] ? arch_local_irq_restore+0x6/0xd [ 537.979046] [] __setup_irq+0x142c/0x171f [ 538.002333] [] ? __irq_set_trigger+0x64e/0x64e [ 538.033710] [] ? acpi_os_execute_deferred+0x79/0x79 [ 538.062808] [] request_threaded_irq+0x252/0x2b9 [ 538.087086] [] ? acpi_os_execute_deferred+0x79/0x79 [ 538.126134] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 538.149554] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 538.174388] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 538.203523] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 538.236270] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 538.267098] [] acpi_ev_install_sci_handler+0x49/0x4c [ 538.303626] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 538.330931] [] acpi_enable_subsystem+0xd5/0xe6 [ 538.356506] [] ? acpi_init+0x133/0x569 [ 538.384771] [] acpi_init+0x16a/0x569 [ 538.408589] [] ? acpi_sleep_proc_init+0x39/0x39 [ 538.435197] [] ? __class_register+0x48b/0x50b [ 538.466600] [] ? class_destroy+0x3a/0x3a [ 538.493607] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 538.522370] [] ? __class_create+0x40/0xc7 [ 538.557248] [] ? acpi_sleep_proc_init+0x39/0x39 [ 538.585856] [] do_one_initcall+0x16d/0x258 [ 538.611353] [] ? initcall_blacklisted+0x198/0x198 [ 538.634808] [] ? up_write+0x8c/0xd9 [ 538.652395] [] ? down_write_trylock+0x100/0x100 [ 538.675823] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 538.699380] [] kernel_init_freeable+0x457/0x518 [ 538.750683] [] kernel_init+0x16/0x181 [ 538.827444] [] ret_from_fork+0x1f/0x40 [ 538.898933] [] ? rest_init+0x8f/0x8f [ 538.926614] ================================================================================ [ 538.978529] ================================================================================ [ 539.016887] UBSAN: Undefined behaviour in kernel/irq/proc.c:310:11 [ 539.047209] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 539.091663] which requires 64 byte alignment [ 539.114656] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 539.144214] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 539.186198] 00000000ffffffff 00000000b1a89c60 ffff88005c9df868 ffffffffb26ec5cc [ 539.222504] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 539.265607] 0000000000000010 ffff88005c9df890 ffff88005c9df840 ffffffffb363c3e0 [ 539.315278] Call Trace: [ 539.328732] [] dump_stack+0xd7/0x132 [ 539.372199] [] ? arch_local_irq_restore+0x1b/0x1b [ 539.421993] [] ubsan_epilogue+0x12/0x53 [ 539.457950] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 539.493170] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 539.525999] [] register_handler_proc+0xa7/0x396 [ 539.556127] [] ? ubsan_epilogue+0x26/0x53 [ 539.588777] [] ? irq_affinity_list_proc_show+0xea/0xea [ 539.622466] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 539.653488] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 539.685988] [] ? arch_local_irq_restore+0x6/0xd [ 539.717681] [] __setup_irq+0x144e/0x171f [ 539.759058] [] ? __irq_set_trigger+0x64e/0x64e [ 539.811979] [] ? acpi_os_execute_deferred+0x79/0x79 [ 539.859968] [] request_threaded_irq+0x252/0x2b9 [ 539.918279] [] ? acpi_os_execute_deferred+0x79/0x79 [ 539.962855] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 540.016743] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 540.070210] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 540.132674] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 540.189820] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 540.252665] [] acpi_ev_install_sci_handler+0x49/0x4c [ 540.298514] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 540.342065] [] acpi_enable_subsystem+0xd5/0xe6 [ 540.394000] [] ? acpi_init+0x133/0x569 [ 540.429207] [] acpi_init+0x16a/0x569 [ 540.471828] [] ? acpi_sleep_proc_init+0x39/0x39 [ 540.512114] [] ? __class_register+0x48b/0x50b [ 540.556939] [] ? class_destroy+0x3a/0x3a [ 540.600337] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 540.641428] [] ? __class_create+0x40/0xc7 [ 540.690872] [] ? acpi_sleep_proc_init+0x39/0x39 [ 540.739350] [] do_one_initcall+0x16d/0x258 [ 540.781212] [] ? initcall_blacklisted+0x198/0x198 [ 540.829971] [] ? up_write+0x8c/0xd9 [ 540.855086] [] ? down_write_trylock+0x100/0x100 [ 540.891405] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 540.933371] [] kernel_init_freeable+0x457/0x518 [ 540.975215] [] kernel_init+0x16/0x181 [ 541.011695] [] ret_from_fork+0x1f/0x40 [ 541.035867] [] ? rest_init+0x8f/0x8f [ 541.072105] ================================================================================ [ 541.113101] ================================================================================ [ 541.159114] UBSAN: Undefined behaviour in kernel/irq/proc.c:310:26 [ 541.192543] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 541.228834] which requires 64 byte alignment [ 541.247034] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 541.269154] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 541.303273] 00000000ffffffff 00000000b1a89c60 ffff88005c9df868 ffffffffb26ec5cc [ 541.341584] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 541.379889] ffffffff00000010 ffff88005c9df890 ffff88005c9df840 ffffffffb363c3e0 [ 541.417481] Call Trace: [ 541.426800] [] dump_stack+0xd7/0x132 [ 541.448506] [] ? arch_local_irq_restore+0x1b/0x1b [ 541.475973] [] ubsan_epilogue+0x12/0x53 [ 541.501138] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 541.530661] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 541.557165] [] register_handler_proc+0xe9/0x396 [ 541.586938] [] ? irq_affinity_list_proc_show+0xea/0xea [ 541.625271] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 541.673279] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 541.722126] [] ? arch_local_irq_restore+0x6/0xd [ 541.762062] [] __setup_irq+0x144e/0x171f [ 541.791388] [] ? __irq_set_trigger+0x64e/0x64e [ 541.822457] [] ? acpi_os_execute_deferred+0x79/0x79 [ 541.855951] [] request_threaded_irq+0x252/0x2b9 [ 541.882606] [] ? acpi_os_execute_deferred+0x79/0x79 [ 541.911923] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 541.939106] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 541.980059] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 542.018123] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 542.060164] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 542.106223] [] acpi_ev_install_sci_handler+0x49/0x4c [ 542.169686] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 542.293398] [] acpi_enable_subsystem+0xd5/0xe6 [ 542.428799] [] ? acpi_init+0x133/0x569 [ 542.451863] [] acpi_init+0x16a/0x569 [ 542.476595] [] ? acpi_sleep_proc_init+0x39/0x39 [ 542.503743] [] ? __class_register+0x48b/0x50b [ 542.528473] [] ? class_destroy+0x3a/0x3a [ 542.552557] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 542.578536] [] ? __class_create+0x40/0xc7 [ 542.597994] [] ? acpi_sleep_proc_init+0x39/0x39 [ 542.621756] [] do_one_initcall+0x16d/0x258 [ 542.641865] [] ? initcall_blacklisted+0x198/0x198 [ 542.679603] [] ? up_write+0x8c/0xd9 [ 542.699129] [] ? down_write_trylock+0x100/0x100 [ 542.749426] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 542.798318] [] kernel_init_freeable+0x457/0x518 [ 542.840214] [] kernel_init+0x16/0x181 [ 542.874898] [] ret_from_fork+0x1f/0x40 [ 542.920097] [] ? rest_init+0x8f/0x8f [ 542.954035] ================================================================================ [ 542.990891] ================================================================================ [ 543.029860] UBSAN: Undefined behaviour in kernel/irq/proc.c:310:42 [ 543.052122] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 543.088846] which requires 64 byte alignment [ 543.106803] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 543.127842] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 543.171258] 00000000ffffffff 00000000b1a89c60 ffff88005c9df868 ffffffffb26ec5cc [ 543.199577] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 543.231010] ffffffff00000010 ffff88005c9df890 ffff88005c9df840 ffffffffb363c3e0 [ 543.262543] Call Trace: [ 543.273992] [] dump_stack+0xd7/0x132 [ 543.291989] [] ? arch_local_irq_restore+0x1b/0x1b [ 543.325116] [] ubsan_epilogue+0x12/0x53 [ 543.344700] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 543.370969] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 543.402207] [] register_handler_proc+0x125/0x396 [ 543.425729] [] ? irq_affinity_list_proc_show+0xea/0xea [ 543.447899] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 543.471042] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 543.499363] [] ? arch_local_irq_restore+0x6/0xd [ 543.522215] [] __setup_irq+0x144e/0x171f [ 543.545201] [] ? __irq_set_trigger+0x64e/0x64e [ 543.565591] [] ? acpi_os_execute_deferred+0x79/0x79 [ 543.589650] [] request_threaded_irq+0x252/0x2b9 [ 543.610438] [] ? acpi_os_execute_deferred+0x79/0x79 [ 543.633812] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 543.673747] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 543.709059] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 543.739445] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 543.767377] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 543.799121] [] acpi_ev_install_sci_handler+0x49/0x4c [ 543.829184] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 543.863003] [] acpi_enable_subsystem+0xd5/0xe6 [ 543.891459] [] ? acpi_init+0x133/0x569 [ 543.916928] [] acpi_init+0x16a/0x569 [ 543.941836] [] ? acpi_sleep_proc_init+0x39/0x39 [ 543.970068] [] ? __class_register+0x48b/0x50b [ 543.999497] [] ? class_destroy+0x3a/0x3a [ 544.026154] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 544.049609] [] ? __class_create+0x40/0xc7 [ 544.071028] [] ? acpi_sleep_proc_init+0x39/0x39 [ 544.094286] [] do_one_initcall+0x16d/0x258 [ 544.118199] [] ? initcall_blacklisted+0x198/0x198 [ 544.146751] [] ? up_write+0x8c/0xd9 [ 544.167234] [] ? down_write_trylock+0x100/0x100 [ 544.192641] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 544.222868] [] kernel_init_freeable+0x457/0x518 [ 544.249388] [] kernel_init+0x16/0x181 [ 544.272806] [] ret_from_fork+0x1f/0x40 [ 544.301128] [] ? rest_init+0x8f/0x8f [ 544.321755] ================================================================================ [ 544.363376] ================================================================================ [ 544.408324] UBSAN: Undefined behaviour in kernel/irq/proc.c:294:2 [ 544.432530] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 544.469753] which requires 64 byte alignment [ 544.491875] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 544.517056] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 544.557826] 00000000ffffffff 00000000b1a89c60 ffff88005c9df868 ffffffffb26ec5cc [ 544.588394] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 544.626468] 0000000000000010 ffff88005c9df890 ffff88005c9df840 ffffffffb363c3e0 [ 544.660655] Call Trace: [ 544.669471] [] dump_stack+0xd7/0x132 [ 544.700409] [] ? arch_local_irq_restore+0x1b/0x1b [ 544.726794] [] ubsan_epilogue+0x12/0x53 [ 544.753635] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 544.782553] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 544.814798] [] register_handler_proc+0x183/0x396 [ 544.844659] [] ? irq_affinity_list_proc_show+0xea/0xea [ 544.873334] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 544.905513] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 544.934069] [] ? arch_local_irq_restore+0x6/0xd [ 544.964928] [] __setup_irq+0x144e/0x171f [ 544.993921] [] ? __irq_set_trigger+0x64e/0x64e [ 545.027354] [] ? acpi_os_execute_deferred+0x79/0x79 [ 545.061524] [] request_threaded_irq+0x252/0x2b9 [ 545.089524] [] ? acpi_os_execute_deferred+0x79/0x79 [ 545.122488] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 545.153399] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 545.184014] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 545.209265] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 545.239655] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 545.266026] [] acpi_ev_install_sci_handler+0x49/0x4c [ 545.291616] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 545.322426] [] acpi_enable_subsystem+0xd5/0xe6 [ 545.345834] [] ? acpi_init+0x133/0x569 [ 545.365790] [] acpi_init+0x16a/0x569 [ 545.389366] [] ? acpi_sleep_proc_init+0x39/0x39 [ 545.416268] [] ? __class_register+0x48b/0x50b [ 545.440944] [] ? class_destroy+0x3a/0x3a [ 545.464884] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 545.488528] [] ? __class_create+0x40/0xc7 [ 545.512025] [] ? acpi_sleep_proc_init+0x39/0x39 [ 545.540632] [] do_one_initcall+0x16d/0x258 [ 545.567139] [] ? initcall_blacklisted+0x198/0x198 [ 545.590887] [] ? up_write+0x8c/0xd9 [ 545.612126] [] ? down_write_trylock+0x100/0x100 [ 545.640267] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 545.667408] [] kernel_init_freeable+0x457/0x518 [ 545.690092] [] kernel_init+0x16/0x181 [ 545.711362] [] ret_from_fork+0x1f/0x40 [ 545.735998] [] ? rest_init+0x8f/0x8f [ 545.757528] ================================================================================ [ 545.789859] ================================================================================ [ 545.824912] UBSAN: Undefined behaviour in kernel/irq/proc.c:294:2 [ 545.850555] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 545.891858] which requires 64 byte alignment [ 545.908822] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 545.933158] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 545.969339] 00000000ffffffff 00000000b1a89c60 ffff88005c9df868 ffffffffb26ec5cc [ 546.002640] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 546.028962] 0000000000000010 ffff88005c9df890 ffff88005c9df840 ffffffffb363c3e0 [ 546.059741] Call Trace: [ 546.067859] [] dump_stack+0xd7/0x132 [ 546.088134] [] ? arch_local_irq_restore+0x1b/0x1b [ 546.112194] [] ubsan_epilogue+0x12/0x53 [ 546.136005] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 546.168868] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 546.198459] [] register_handler_proc+0x1dc/0x396 [ 546.225111] [] ? irq_affinity_list_proc_show+0xea/0xea [ 546.257098] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 546.283549] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 546.313707] [] ? arch_local_irq_restore+0x6/0xd [ 546.338833] [] __setup_irq+0x144e/0x171f [ 546.360061] [] ? __irq_set_trigger+0x64e/0x64e [ 546.384859] [] ? acpi_os_execute_deferred+0x79/0x79 [ 546.417239] [] request_threaded_irq+0x252/0x2b9 [ 546.444127] [] ? acpi_os_execute_deferred+0x79/0x79 [ 546.468708] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 546.490640] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 546.524206] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 546.548338] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 546.582059] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 546.606559] [] acpi_ev_install_sci_handler+0x49/0x4c [ 546.638343] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 546.665902] [] acpi_enable_subsystem+0xd5/0xe6 [ 546.690061] [] ? acpi_init+0x133/0x569 [ 546.710647] [] acpi_init+0x16a/0x569 [ 546.736816] [] ? acpi_sleep_proc_init+0x39/0x39 [ 546.759861] [] ? __class_register+0x48b/0x50b [ 546.783155] [] ? class_destroy+0x3a/0x3a [ 546.808699] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 546.833029] [] ? __class_create+0x40/0xc7 [ 546.854373] [] ? acpi_sleep_proc_init+0x39/0x39 [ 546.892498] [] do_one_initcall+0x16d/0x258 [ 546.925254] [] ? initcall_blacklisted+0x198/0x198 [ 546.968163] [] ? up_write+0x8c/0xd9 [ 547.024787] [] ? down_write_trylock+0x100/0x100 [ 547.063204] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 547.128866] [] kernel_init_freeable+0x457/0x518 [ 547.172173] [] kernel_init+0x16/0x181 [ 547.207342] [] ret_from_fork+0x1f/0x40 [ 547.230418] [] ? rest_init+0x8f/0x8f [ 547.251777] ================================================================================ [ 547.287478] ================================================================================ [ 547.327997] UBSAN: Undefined behaviour in kernel/irq/proc.c:314:2 [ 547.351283] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 547.385490] which requires 64 byte alignment [ 547.405489] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 547.445424] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 547.492742] 00000000ffffffff 00000000b1a89c60 ffff88005c9df868 ffffffffb26ec5cc [ 547.534763] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 547.568487] 0000000000000010 ffff88005c9df890 ffff88005c9df840 ffffffffb363c3e0 [ 547.608679] Call Trace: [ 547.620494] [] dump_stack+0xd7/0x132 [ 547.644281] [] ? arch_local_irq_restore+0x1b/0x1b [ 547.670887] [] ubsan_epilogue+0x12/0x53 [ 547.700108] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 547.728879] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 547.758389] [] ? register_handler_proc+0x1e6/0x396 [ 547.784454] [] ? arch_local_irq_restore+0x6/0xd [ 547.808417] [] register_handler_proc+0x2be/0x396 [ 547.836989] [] ? irq_affinity_list_proc_show+0xea/0xea [ 547.867197] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 547.896933] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 547.932338] [] ? arch_local_irq_restore+0x6/0xd [ 547.958209] [] __setup_irq+0x144e/0x171f [ 547.978094] [] ? __irq_set_trigger+0x64e/0x64e [ 548.006361] [] ? acpi_os_execute_deferred+0x79/0x79 [ 548.036648] [] request_threaded_irq+0x252/0x2b9 [ 548.059640] [] ? acpi_os_execute_deferred+0x79/0x79 [ 548.084303] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 548.111275] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 548.141343] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 548.168593] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 548.197507] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 548.227179] [] acpi_ev_install_sci_handler+0x49/0x4c [ 548.257708] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 548.289700] [] acpi_enable_subsystem+0xd5/0xe6 [ 548.326081] [] ? acpi_init+0x133/0x569 [ 548.357997] [] acpi_init+0x16a/0x569 [ 548.379852] [] ? acpi_sleep_proc_init+0x39/0x39 [ 548.409975] [] ? __class_register+0x48b/0x50b [ 548.437108] [] ? class_destroy+0x3a/0x3a [ 548.458263] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 548.485343] [] ? __class_create+0x40/0xc7 [ 548.506595] [] ? acpi_sleep_proc_init+0x39/0x39 [ 548.536411] [] do_one_initcall+0x16d/0x258 [ 548.557590] [] ? initcall_blacklisted+0x198/0x198 [ 548.582243] [] ? up_write+0x8c/0xd9 [ 548.601890] [] ? down_write_trylock+0x100/0x100 [ 548.627041] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 548.653333] [] kernel_init_freeable+0x457/0x518 [ 548.673449] [] kernel_init+0x16/0x181 [ 548.690876] [] ret_from_fork+0x1f/0x40 [ 548.711239] [] ? rest_init+0x8f/0x8f [ 548.729809] ================================================================================ [ 548.757962] ================================================================================ [ 548.787130] UBSAN: Undefined behaviour in kernel/irq/proc.c:317:16 [ 548.807723] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 548.837028] which requires 64 byte alignment [ 548.851082] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 548.887921] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 548.920771] 00000000ffffffff 00000000b1a89c60 ffff88005c9df868 ffffffffb26ec5cc [ 548.952549] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 548.981070] ffffffff00000010 ffff88005c9df890 ffff88005c9df840 ffffffffb363c3e0 [ 549.009014] Call Trace: [ 549.019222] [] dump_stack+0xd7/0x132 [ 549.037748] [] ? arch_local_irq_restore+0x1b/0x1b [ 549.059566] [] ubsan_epilogue+0x12/0x53 [ 549.080737] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 549.106991] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 549.140482] [] register_handler_proc+0x2ff/0x396 [ 549.163392] [] ? irq_affinity_list_proc_show+0xea/0xea [ 549.190384] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 549.215444] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 549.244926] [] ? arch_local_irq_restore+0x6/0xd [ 549.269030] [] __setup_irq+0x144e/0x171f [ 549.289485] [] ? __irq_set_trigger+0x64e/0x64e [ 549.313274] [] ? acpi_os_execute_deferred+0x79/0x79 [ 549.332502] [] request_threaded_irq+0x252/0x2b9 [ 549.357693] [] ? acpi_os_execute_deferred+0x79/0x79 [ 549.380299] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 549.405428] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 549.430474] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 549.454106] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 549.480948] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 549.501268] [] acpi_ev_install_sci_handler+0x49/0x4c [ 549.521190] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 549.542559] [] acpi_enable_subsystem+0xd5/0xe6 [ 549.564837] [] ? acpi_init+0x133/0x569 [ 549.583030] [] acpi_init+0x16a/0x569 [ 549.600995] [] ? acpi_sleep_proc_init+0x39/0x39 [ 549.624917] [] ? __class_register+0x48b/0x50b [ 549.644184] [] ? class_destroy+0x3a/0x3a [ 549.664086] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 549.685680] [] ? __class_create+0x40/0xc7 [ 549.704448] [] ? acpi_sleep_proc_init+0x39/0x39 [ 549.726838] [] do_one_initcall+0x16d/0x258 [ 549.744188] [] ? initcall_blacklisted+0x198/0x198 [ 549.765255] [] ? up_write+0x8c/0xd9 [ 549.785260] [] ? down_write_trylock+0x100/0x100 [ 549.805029] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 549.830199] [] kernel_init_freeable+0x457/0x518 [ 549.853019] [] kernel_init+0x16/0x181 [ 549.874413] [] ret_from_fork+0x1f/0x40 [ 549.909042] [] ? rest_init+0x8f/0x8f [ 549.931908] ================================================================================ [ 549.972264] ================================================================================ [ 550.021892] UBSAN: Undefined behaviour in kernel/irq/proc.c:317:14 [ 550.049066] member access within misaligned address ffff88005c7f9628 for type 'struct irqaction' [ 550.106970] which requires 64 byte alignment [ 550.128853] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 550.162654] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 550.215903] 00000000ffffffff 00000000b1a89c60 ffff88005c9df868 ffffffffb26ec5cc [ 550.259924] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 550.307783] ffff880000000010 ffff88005c9df890 ffff88005c9df840 ffffffffb363c3e0 [ 550.343851] Call Trace: [ 550.352951] [] dump_stack+0xd7/0x132 [ 550.372244] [] ? arch_local_irq_restore+0x1b/0x1b [ 550.396082] [] ubsan_epilogue+0x12/0x53 [ 550.413239] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 550.439551] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 550.463478] [] ? proc_mkdir_data+0x191/0x19e [ 550.482328] [] register_handler_proc+0x336/0x396 [ 550.505280] [] ? irq_affinity_list_proc_show+0xea/0xea [ 550.527988] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 550.552517] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 550.579872] [] ? arch_local_irq_restore+0x6/0xd [ 550.602247] [] __setup_irq+0x144e/0x171f [ 550.623049] [] ? __irq_set_trigger+0x64e/0x64e [ 550.644211] [] ? acpi_os_execute_deferred+0x79/0x79 [ 550.667378] [] request_threaded_irq+0x252/0x2b9 [ 550.687699] [] ? acpi_os_execute_deferred+0x79/0x79 [ 550.706787] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 550.729606] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 550.751457] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 550.771531] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 550.792785] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 550.812640] [] acpi_ev_install_sci_handler+0x49/0x4c [ 550.839287] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 550.864695] [] acpi_enable_subsystem+0xd5/0xe6 [ 550.885690] [] ? acpi_init+0x133/0x569 [ 550.905810] [] acpi_init+0x16a/0x569 [ 550.925518] [] ? acpi_sleep_proc_init+0x39/0x39 [ 550.951187] [] ? __class_register+0x48b/0x50b [ 550.975372] [] ? class_destroy+0x3a/0x3a [ 551.001879] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 551.031456] [] ? __class_create+0x40/0xc7 [ 551.052612] [] ? acpi_sleep_proc_init+0x39/0x39 [ 551.079276] [] do_one_initcall+0x16d/0x258 [ 551.103604] [] ? initcall_blacklisted+0x198/0x198 [ 551.129332] [] ? up_write+0x8c/0xd9 [ 551.152677] [] ? down_write_trylock+0x100/0x100 [ 551.175897] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 551.203791] [] kernel_init_freeable+0x457/0x518 [ 551.228253] [] kernel_init+0x16/0x181 [ 551.251958] [] ret_from_fork+0x1f/0x40 [ 551.271191] [] ? rest_init+0x8f/0x8f [ 551.293048] ================================================================================ [ 551.328796] ================================================================================ [ 551.366481] UBSAN: Undefined behaviour in kernel/irq/internals.h:128:6 [ 551.393089] member access within misaligned address ffff88005d0a78e0 for type 'struct irq_desc' [ 551.431559] which requires 64 byte alignment [ 551.448474] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 551.471880] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 551.512294] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 551.544377] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 551.572325] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 551.599352] Call Trace: [ 551.608112] [] dump_stack+0xd7/0x132 [ 551.630227] [] ? arch_local_irq_restore+0x1b/0x1b [ 551.663830] [] ubsan_epilogue+0x12/0x53 [ 551.685983] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 551.712272] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 551.741118] [] ? __irq_set_trigger+0x64e/0x64e [ 551.765352] [] ? acpi_os_execute_deferred+0x79/0x79 [ 551.789048] [] chip_bus_sync_unlock+0x2a/0xb6 [ 551.812758] [] request_threaded_irq+0x25d/0x2b9 [ 551.838485] [] ? acpi_os_execute_deferred+0x79/0x79 [ 551.877866] [] ? acpi_ev_sci_dispatch+0x11f/0x11f [ 551.911798] [] acpi_os_install_interrupt_handler+0x115/0x195 [ 551.954672] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 551.989619] [] ? acpi_os_predefined_override+0x1a2/0x1a2 [ 552.023099] [] ? acpi_ev_gpe_initialize+0x266/0x278 [ 552.050110] [] acpi_ev_install_sci_handler+0x49/0x4c [ 552.083824] [] acpi_ev_install_xrupt_handlers+0x30/0x9e [ 552.112378] [] acpi_enable_subsystem+0xd5/0xe6 [ 552.138711] [] ? acpi_init+0x133/0x569 [ 552.159896] [] acpi_init+0x16a/0x569 [ 552.179883] [] ? acpi_sleep_proc_init+0x39/0x39 [ 552.205601] [] ? __class_register+0x48b/0x50b [ 552.227041] [] ? class_destroy+0x3a/0x3a [ 552.247813] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 552.268659] [] ? __class_create+0x40/0xc7 [ 552.291342] [] ? acpi_sleep_proc_init+0x39/0x39 [ 552.313273] [] do_one_initcall+0x16d/0x258 [ 552.335342] [] ? initcall_blacklisted+0x198/0x198 [ 552.359736] [] ? up_write+0x8c/0xd9 [ 552.378997] [] ? down_write_trylock+0x100/0x100 [ 552.403840] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 552.426974] [] kernel_init_freeable+0x457/0x518 [ 552.452195] [] kernel_init+0x16/0x181 [ 552.470188] [] ret_from_fork+0x1f/0x40 [ 552.492157] [] ? rest_init+0x8f/0x8f [ 552.514680] ================================================================================ [ 552.630300] ================================================================================ [ 552.662303] UBSAN: Undefined behaviour in mm/slub.c:3938:3 [ 552.681339] member access within misaligned address ffff88005c9df9c8 for type 'struct page' [ 552.720056] which requires 16 byte alignment [ 552.733066] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 552.758260] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 552.795682] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8d8 ffffffffb26ec5cc [ 552.825097] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 552.855608] ffff880000000010 ffff88005c9df900 ffff88005c9df8b0 ffffffffb363c3e0 [ 552.885495] Call Trace: [ 552.892260] [] dump_stack+0xd7/0x132 [ 552.913974] [] ? arch_local_irq_restore+0x1b/0x1b [ 552.941558] [] ubsan_epilogue+0x12/0x53 [ 552.958627] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 552.983007] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 553.007089] [] __kmem_cache_shrink+0x4ea/0x5b7 [ 553.029599] [] kmem_cache_shrink+0x25/0x34 [ 553.051001] [] ? kmem_cache_shrink+0x25/0x34 [ 553.075156] [] acpi_os_purge_cache+0x1c/0x20 [ 553.096665] [] acpi_purge_cached_objects+0x26/0x72 [ 553.118520] [] acpi_initialize_objects+0x67/0x8f [ 553.144560] [] ? acpi_ev_install_xrupt_handlers+0x8d/0x9e [ 553.171061] [] acpi_init+0x18b/0x569 [ 553.189388] [] ? acpi_sleep_proc_init+0x39/0x39 [ 553.211605] [] ? __class_register+0x48b/0x50b [ 553.236510] [] ? class_destroy+0x3a/0x3a [ 553.255732] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 553.279796] [] ? __class_create+0x40/0xc7 [ 553.298612] [] ? acpi_sleep_proc_init+0x39/0x39 [ 553.321657] [] do_one_initcall+0x16d/0x258 [ 553.342998] [] ? initcall_blacklisted+0x198/0x198 [ 553.368560] [] ? up_write+0x8c/0xd9 [ 553.387389] [] ? down_write_trylock+0x100/0x100 [ 553.409592] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 553.434106] [] kernel_init_freeable+0x457/0x518 [ 553.456386] [] kernel_init+0x16/0x181 [ 553.474867] [] ret_from_fork+0x1f/0x40 [ 553.492337] [] ? rest_init+0x8f/0x8f [ 553.510396] ================================================================================ [ 553.542620] ================================================================================ [ 553.573998] UBSAN: Undefined behaviour in mm/slub.c:3938:3 [ 553.591127] member access within misaligned address ffff88005c9df9c8 for type 'struct page' [ 553.617860] which requires 16 byte alignment [ 553.632247] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 553.655538] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 553.686450] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8d8 ffffffffb26ec5cc [ 553.715280] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 553.742150] ffff880000000010 ffff88005c9df900 ffff88005c9df8b0 ffffffffb363c3e0 [ 553.768515] Call Trace: [ 553.778031] [] dump_stack+0xd7/0x132 [ 553.795132] [] ? arch_local_irq_restore+0x1b/0x1b [ 553.819096] [] ubsan_epilogue+0x12/0x53 [ 553.839577] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 553.864048] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 553.889598] [] ? __list_add+0x249/0x249 [ 553.908955] [] __kmem_cache_shrink+0x4ab/0x5b7 [ 553.930706] [] kmem_cache_shrink+0x25/0x34 [ 553.949367] [] ? kmem_cache_shrink+0x25/0x34 [ 553.974116] [] ? put_online_cpus+0xb1/0xb4 [ 553.993412] [] acpi_os_purge_cache+0x1c/0x20 [ 554.012892] [] acpi_purge_cached_objects+0x3e/0x72 [ 554.036066] [] acpi_initialize_objects+0x67/0x8f [ 554.057532] [] ? acpi_ev_install_xrupt_handlers+0x8d/0x9e [ 554.081429] [] acpi_init+0x18b/0x569 [ 554.101041] [] ? acpi_sleep_proc_init+0x39/0x39 [ 554.122086] [] ? __class_register+0x48b/0x50b [ 554.147643] [] ? class_destroy+0x3a/0x3a [ 554.171364] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 554.192315] [] ? __class_create+0x40/0xc7 [ 554.211271] [] ? acpi_sleep_proc_init+0x39/0x39 [ 554.233043] [] do_one_initcall+0x16d/0x258 [ 554.256704] [] ? initcall_blacklisted+0x198/0x198 [ 554.278815] [] ? up_write+0x8c/0xd9 [ 554.298040] [] ? down_write_trylock+0x100/0x100 [ 554.317202] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 554.344082] [] kernel_init_freeable+0x457/0x518 [ 554.365356] [] kernel_init+0x16/0x181 [ 554.385924] [] ret_from_fork+0x1f/0x40 [ 554.405325] [] ? rest_init+0x8f/0x8f [ 554.422084] ================================================================================ [ 554.473984] ================================================================================ [ 554.504871] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 554.529267] load of misaligned address ffffffffb77ce76c for type 'volatile const long unsigned int' [ 554.561349] which requires 8 byte alignment [ 554.574778] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 554.596239] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 554.627893] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbf0 ffffffffb26ec5cc [ 554.656955] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 554.681500] ffff880000000010 ffff88005c9dfc18 ffff88005c9dfbc8 ffffffffb363c3e0 [ 554.708403] Call Trace: [ 554.716655] [] dump_stack+0xd7/0x132 [ 554.733151] [] ? arch_local_irq_restore+0x1b/0x1b [ 554.757737] [] ubsan_epilogue+0x12/0x53 [ 554.777112] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 554.800211] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 554.826415] [] ? kmem_cache_shrink+0x2d/0x34 [ 554.845463] [] acpi_early_processor_osc+0x2c/0x8c [ 554.867150] [] acpi_init+0x1b7/0x569 [ 554.884753] [] ? acpi_sleep_proc_init+0x39/0x39 [ 554.906207] [] ? __class_register+0x48b/0x50b [ 554.928588] [] ? class_destroy+0x3a/0x3a [ 554.946153] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 554.969844] [] ? __class_create+0x40/0xc7 [ 554.993062] [] ? acpi_sleep_proc_init+0x39/0x39 [ 555.017465] [] do_one_initcall+0x16d/0x258 [ 555.038087] [] ? initcall_blacklisted+0x198/0x198 [ 555.062222] [] ? up_write+0x8c/0xd9 [ 555.079555] [] ? down_write_trylock+0x100/0x100 [ 555.102602] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 555.128601] [] kernel_init_freeable+0x457/0x518 [ 555.152411] [] kernel_init+0x16/0x181 [ 555.171350] [] ret_from_fork+0x1f/0x40 [ 555.191373] [] ? rest_init+0x8f/0x8f [ 555.209303] ================================================================================ [ 555.241984] ================================================================================ [ 555.271826] UBSAN: Undefined behaviour in drivers/acpi/acpica/tbxface.c:300:8 [ 555.292583] load of misaligned address ffffc900000056de for type 'u32' [ 555.313641] which requires 4 byte alignment [ 555.330764] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 555.353378] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 555.387896] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9c8 ffffffffb26ec5cc [ 555.414657] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 555.443494] ffffffff00000010 ffff88005c9df9f0 ffff88005c9df9a0 ffffffffb363c3e0 [ 555.470240] Call Trace: [ 555.479175] [] dump_stack+0xd7/0x132 [ 555.499314] [] ? arch_local_irq_restore+0x1b/0x1b [ 555.522852] [] ubsan_epilogue+0x12/0x53 [ 555.544257] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 555.569879] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 555.599066] [] ? kzalloc.constprop.1+0x1c/0x1e [ 555.620101] [] acpi_get_table_with_size+0xdf/0x266 [ 555.645263] [] acpi_get_table+0x7b/0x9d [ 555.665122] [] ? acpi_get_table_with_size+0x266/0x266 [ 555.689394] [] ? kasan_poison_shadow+0x2f/0x31 [ 555.710530] [] ? kasan_unpoison_shadow+0x14/0x35 [ 555.733708] [] acpi_table_attr_init+0x32f/0x422 [ 555.757357] [] ? delete_gpe_attr_array+0xcc/0xcc [ 555.788584] [] acpi_sysfs_init+0x11d/0x27e [ 555.808080] [] ? acpi_event_init+0x58/0x58 [ 555.829307] [] ? acpi_device_uevent+0x2b/0x2b [ 555.851188] [] acpi_init+0x328/0x569 [ 555.873768] [] ? acpi_sleep_proc_init+0x39/0x39 [ 555.897228] [] ? __class_register+0x48b/0x50b [ 555.919445] [] ? acpi_sleep_proc_init+0x39/0x39 [ 555.941418] [] do_one_initcall+0x16d/0x258 [ 555.961386] [] ? initcall_blacklisted+0x198/0x198 [ 555.984170] [] ? up_write+0x8c/0xd9 [ 556.004865] [] ? down_write_trylock+0x100/0x100 [ 556.031518] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 556.057022] [] kernel_init_freeable+0x457/0x518 [ 556.077306] [] kernel_init+0x16/0x181 [ 556.096143] [] ret_from_fork+0x1f/0x40 [ 556.115653] [] ? rest_init+0x8f/0x8f [ 556.131817] ================================================================================ [ 556.167631] ================================================================================ [ 556.199456] UBSAN: Undefined behaviour in drivers/acpi/acpica/utpredef.c:121:7 [ 556.224016] load of misaligned address ffffffffb369a327 for type 'u32' [ 556.245622] which requires 4 byte alignment [ 556.257955] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 556.278534] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 556.307375] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 556.337073] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 556.363495] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 556.389499] Call Trace: [ 556.398992] [] dump_stack+0xd7/0x132 [ 556.417473] [] ? arch_local_irq_restore+0x1b/0x1b [ 556.440132] [] ubsan_epilogue+0x12/0x53 [ 556.457082] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 556.482493] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 556.509190] [] ? kasan_poison_shadow+0x2f/0x31 [ 556.530969] [] ? kasan_unpoison_shadow+0x14/0x35 [ 556.553425] [] acpi_ut_match_predefined_method+0xb6/0xc9 [ 556.575309] [] acpi_ns_evaluate+0x26c/0x9a5 [ 556.594842] [] acpi_evaluate_object+0x470/0x8fa [ 556.612912] [] ? acpi_os_allocate_zeroed+0x47/0x47 [ 556.635245] [] ? kasan_slab_free+0x8a/0x96 [ 556.656388] [] ? slab_free_freelist_hook+0x129/0x134 [ 556.678236] [] acpi_get_phys_id+0xcc/0x353 [ 556.698439] [] ? map_madt_entry+0x2aa/0x2aa [ 556.721799] [] ? acpi_evaluate_object+0x8bb/0x8fa [ 556.747193] [] ? acpi_os_allocate_zeroed+0x47/0x47 [ 556.767298] [] acpi_get_cpuid+0x2a/0x38 [ 556.785684] [] early_init_pdc+0x15f/0x1b7 [ 556.807149] [] ? set_no_mwait+0x5b/0x5b [ 556.826630] [] ? kernfs_activate+0x1f0/0x1fc [ 556.847530] [] ? kernfs_add_one+0x3c9/0x3da [ 556.865138] [] ? __kernfs_create_file+0xb7/0x1e6 [ 556.887175] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 556.908567] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 556.929608] [] acpi_ns_walk_namespace+0x1bf/0x347 [ 556.951675] [] ? set_no_mwait+0x5b/0x5b [ 556.968678] [] ? set_no_mwait+0x5b/0x5b [ 556.988258] [] acpi_walk_namespace+0xba/0xf4 [ 557.008663] [] acpi_early_processor_set_pdc+0x35/0x4f [ 557.031411] [] acpi_init+0x32d/0x569 [ 557.050664] [] ? acpi_sleep_proc_init+0x39/0x39 [ 557.072053] [] ? __class_register+0x48b/0x50b [ 557.092469] [] ? acpi_sleep_proc_init+0x39/0x39 [ 557.113340] [] do_one_initcall+0x16d/0x258 [ 557.134627] [] ? initcall_blacklisted+0x198/0x198 [ 557.158332] [] ? up_write+0x8c/0xd9 [ 557.176724] [] ? down_write_trylock+0x100/0x100 [ 557.196013] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 557.220227] [] kernel_init_freeable+0x457/0x518 [ 557.244347] [] kernel_init+0x16/0x181 [ 557.260877] [] ret_from_fork+0x1f/0x40 [ 557.279588] [] ? rest_init+0x8f/0x8f [ 557.298502] ================================================================================ [ 557.330114] ================================================================================ [ 557.361951] UBSAN: Undefined behaviour in drivers/acpi/acpica/dsutils.c:641:16 [ 557.386943] index -1 is out of range for type 'acpi_operand_object *[9]' [ 557.407134] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 557.426532] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 557.454896] 00000000ffffffff 00000000b1a89c60 ffff88005c9df300 ffffffffb26ec5cc [ 557.479480] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 557.502653] 0000000000000018 ffff88005c9df328 ffff88005c9df2d8 ffff88005c9df2f0 [ 557.528596] Call Trace: [ 557.539112] [] dump_stack+0xd7/0x132 [ 557.558368] [] ? arch_local_irq_restore+0x1b/0x1b [ 557.578983] [] ubsan_epilogue+0x12/0x53 [ 557.595785] [] __ubsan_handle_out_of_bounds+0xeb/0x139 [ 557.619653] [] ? __ubsan_handle_vla_bound_not_positive+0x126/0x126 [ 557.646309] [] ? acpi_ut_delete_generic_state+0x37/0x3f [ 557.669529] [] ? acpi_ps_complete_op+0x88b/0x8d4 [ 557.692982] [] ? acpi_ps_parse_loop+0x5b5/0x1926 [ 557.714295] [] ? acpi_ps_parse_aml+0x22c/0x8bc [ 557.736860] [] ? acpi_ps_execute_method+0x525/0x593 [ 557.758894] [] ? acpi_ns_evaluate+0x789/0x9a5 [ 557.778476] [] ? acpi_evaluate_object+0x470/0x8fa [ 557.801935] [] ? acpi_get_phys_id+0xcc/0x353 [ 557.820044] [] ? tracing_snapshot_write+0x11a/0x559 [ 557.842326] [] ? early_init_pdc+0x15f/0x1b7 [ 557.862477] [] ? acpi_ns_walk_namespace+0x1bf/0x347 [ 557.882874] [] ? acpi_walk_namespace+0xba/0xf4 [ 557.904912] [] ? acpi_early_processor_set_pdc+0x35/0x4f [ 557.926262] [] acpi_ds_create_operand+0x68a/0x7ec [ 557.946060] [] ? acpi_ds_clear_operands+0x126/0x126 [ 557.968199] [] ? acpi_os_acquire_object+0x43/0x47 [ 557.989157] [] ? kasan_poison_shadow+0x2f/0x31 [ 558.008788] [] acpi_ds_create_operands+0x2b2/0x350 [ 558.028499] [] ? acpi_ds_create_operand+0x7ec/0x7ec [ 558.048080] [] ? kmem_cache_free+0x4b/0x2b3 [ 558.070896] [] ? acpi_os_release_object+0x27/0x2b [ 558.090525] [] acpi_ds_exec_end_op+0x29d/0xf24 [ 558.111117] [] ? acpi_ds_exec_begin_op+0x509/0x509 [ 558.131986] [] acpi_ps_parse_loop+0x187a/0x1926 [ 558.153935] [] ? kasan_slab_free+0x8a/0x96 [ 558.172878] [] ? acpi_ps_get_next_arg+0x1056/0x1056 [ 558.195304] [] ? acpi_ds_call_control_method+0x3d3/0x3e5 [ 558.219632] [] acpi_ps_parse_aml+0x22c/0x8bc [ 558.239888] [] acpi_ps_execute_method+0x525/0x593 [ 558.265098] [] acpi_ns_evaluate+0x789/0x9a5 [ 558.282985] [] acpi_evaluate_object+0x470/0x8fa [ 558.303238] [] ? acpi_os_allocate_zeroed+0x47/0x47 [ 558.325570] [] ? kasan_slab_free+0x8a/0x96 [ 558.344816] [] ? slab_free_freelist_hook+0x129/0x134 [ 558.367620] [] acpi_get_phys_id+0xcc/0x353 [ 558.388189] [] ? map_madt_entry+0x2aa/0x2aa [ 558.409236] [] ? acpi_evaluate_object+0x8bb/0x8fa [ 558.431356] [] ? acpi_os_allocate_zeroed+0x47/0x47 [ 558.452988] [] acpi_get_cpuid+0x2a/0x38 [ 558.471044] [] early_init_pdc+0x15f/0x1b7 [ 558.488914] [] ? set_no_mwait+0x5b/0x5b [ 558.506493] [] ? kernfs_activate+0x1f0/0x1fc [ 558.525178] [] ? kernfs_add_one+0x3c9/0x3da [ 558.545105] [] ? __kernfs_create_file+0xb7/0x1e6 [ 558.569169] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 558.591246] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 558.616205] [] acpi_ns_walk_namespace+0x1bf/0x347 [ 558.639562] [] ? set_no_mwait+0x5b/0x5b [ 558.658461] [] ? set_no_mwait+0x5b/0x5b [ 558.677228] [] acpi_walk_namespace+0xba/0xf4 [ 558.696296] [] acpi_early_processor_set_pdc+0x35/0x4f [ 558.718857] [] acpi_init+0x32d/0x569 [ 558.737543] [] ? acpi_sleep_proc_init+0x39/0x39 [ 558.760156] [] ? __class_register+0x48b/0x50b [ 558.782545] [] ? acpi_sleep_proc_init+0x39/0x39 [ 558.803481] [] do_one_initcall+0x16d/0x258 [ 558.823989] [] ? initcall_blacklisted+0x198/0x198 [ 558.844429] [] ? up_write+0x8c/0xd9 [ 558.861172] [] ? down_write_trylock+0x100/0x100 [ 558.879308] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 558.904374] [] kernel_init_freeable+0x457/0x518 [ 558.925090] [] kernel_init+0x16/0x181 [ 558.941913] [] ret_from_fork+0x1f/0x40 [ 558.959047] [] ? rest_init+0x8f/0x8f [ 558.979105] ================================================================================ [ 559.016451] ================================================================================ [ 559.047011] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 559.070811] load of misaligned address ffff88005d4130c4 for type 'volatile const long unsigned int' [ 559.103270] which requires 8 byte alignment [ 559.120423] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 559.138298] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 559.172550] 00000000ffffffff 00000000b1a89c60 ffff88005c9df998 ffffffffb26ec5cc [ 559.197637] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 559.221554] ffff880000000010 ffff88005c9df9c0 ffff88005c9df970 ffffffffb363c3e0 [ 559.246742] Call Trace: [ 559.254369] [] dump_stack+0xd7/0x132 [ 559.272951] [] ? arch_local_irq_restore+0x1b/0x1b [ 559.299103] [] ubsan_epilogue+0x12/0x53 [ 559.316486] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 559.340136] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 559.366430] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 559.388725] [] ? acpi_processor_set_pdc+0x172/0x559 [ 559.414296] [] acpi_processor_set_pdc+0x257/0x559 [ 559.432901] [] early_init_pdc+0x170/0x1b7 [ 559.451939] [] ? set_no_mwait+0x5b/0x5b [ 559.472236] [] ? kernfs_activate+0x1f0/0x1fc [ 559.491878] [] ? kernfs_add_one+0x3c9/0x3da [ 559.510627] [] ? __kernfs_create_file+0xb7/0x1e6 [ 559.535852] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 559.557444] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 559.579967] [] acpi_ns_walk_namespace+0x1bf/0x347 [ 559.601502] [] ? set_no_mwait+0x5b/0x5b [ 559.623248] [] ? set_no_mwait+0x5b/0x5b [ 559.643509] [] acpi_walk_namespace+0xba/0xf4 [ 559.663262] [] acpi_early_processor_set_pdc+0x35/0x4f [ 559.685288] [] acpi_init+0x32d/0x569 [ 559.702055] [] ? acpi_sleep_proc_init+0x39/0x39 [ 559.722349] [] ? __class_register+0x48b/0x50b [ 559.741670] [] ? acpi_sleep_proc_init+0x39/0x39 [ 559.763434] [] do_one_initcall+0x16d/0x258 [ 559.782117] [] ? initcall_blacklisted+0x198/0x198 [ 559.805771] [] ? up_write+0x8c/0xd9 [ 559.821887] [] ? down_write_trylock+0x100/0x100 [ 559.841889] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 559.869473] [] kernel_init_freeable+0x457/0x518 [ 559.892985] [] kernel_init+0x16/0x181 [ 559.910984] [] ret_from_fork+0x1f/0x40 [ 559.930642] [] ? rest_init+0x8f/0x8f [ 559.951781] ================================================================================ [ 559.984195] ================================================================================ [ 560.010294] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 560.034068] load of misaligned address ffff88005d4130b4 for type 'volatile const long unsigned int' [ 560.064736] which requires 8 byte alignment [ 560.077487] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 560.097767] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 560.126922] 00000000ffffffff 00000000b1a89c60 ffff88005c9df998 ffffffffb26ec5cc [ 560.154840] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 560.180754] ffffffff00000010 ffff88005c9df9c0 ffff88005c9df970 ffffffffb363c3e0 [ 560.205280] Call Trace: [ 560.211711] [] dump_stack+0xd7/0x132 [ 560.230338] [] ? arch_local_irq_restore+0x1b/0x1b [ 560.253167] [] ubsan_epilogue+0x12/0x53 [ 560.271794] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 560.293463] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 560.319216] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 560.339438] [] ? acpi_processor_set_pdc+0x172/0x559 [ 560.360327] [] acpi_processor_set_pdc+0x2b7/0x559 [ 560.380677] [] early_init_pdc+0x170/0x1b7 [ 560.403448] [] ? set_no_mwait+0x5b/0x5b [ 560.420401] [] ? kernfs_activate+0x1f0/0x1fc [ 560.439416] [] ? kernfs_add_one+0x3c9/0x3da [ 560.458515] [] ? __kernfs_create_file+0xb7/0x1e6 [ 560.478028] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 560.500503] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 560.523946] [] acpi_ns_walk_namespace+0x1bf/0x347 [ 560.546208] [] ? set_no_mwait+0x5b/0x5b [ 560.563650] [] ? set_no_mwait+0x5b/0x5b [ 560.582751] [] acpi_walk_namespace+0xba/0xf4 [ 560.604094] [] acpi_early_processor_set_pdc+0x35/0x4f [ 560.627199] [] acpi_init+0x32d/0x569 [ 560.644838] [] ? acpi_sleep_proc_init+0x39/0x39 [ 560.664101] [] ? __class_register+0x48b/0x50b [ 560.685037] [] ? acpi_sleep_proc_init+0x39/0x39 [ 560.704621] [] do_one_initcall+0x16d/0x258 [ 560.722479] [] ? initcall_blacklisted+0x198/0x198 [ 560.743895] [] ? up_write+0x8c/0xd9 [ 560.762819] [] ? down_write_trylock+0x100/0x100 [ 560.784330] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 560.807779] [] kernel_init_freeable+0x457/0x518 [ 560.828956] [] kernel_init+0x16/0x181 [ 560.847286] [] ret_from_fork+0x1f/0x40 [ 560.864073] [] ? rest_init+0x8f/0x8f [ 560.884301] ================================================================================ [ 560.909788] ================================================================================ [ 560.936576] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 560.963291] load of misaligned address ffff88005d4130c4 for type 'volatile const long unsigned int' [ 560.995219] which requires 8 byte alignment [ 561.007688] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 561.025833] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 561.057600] 00000000ffffffff 00000000b1a89c60 ffff88005c9df998 ffffffffb26ec5cc [ 561.081117] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 561.108396] ffffffff00000010 ffff88005c9df9c0 ffff88005c9df970 ffffffffb363c3e0 [ 561.135420] Call Trace: [ 561.146177] [] dump_stack+0xd7/0x132 [ 561.164053] [] ? arch_local_irq_restore+0x1b/0x1b [ 561.184206] [] ubsan_epilogue+0x12/0x53 [ 561.205613] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 561.226019] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 561.248450] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 561.271382] [] ? acpi_processor_set_pdc+0x172/0x559 [ 561.291950] [] acpi_processor_set_pdc+0x326/0x559 [ 561.313863] [] early_init_pdc+0x170/0x1b7 [ 561.332063] [] ? set_no_mwait+0x5b/0x5b [ 561.350714] [] ? kernfs_activate+0x1f0/0x1fc [ 561.372576] [] ? kernfs_add_one+0x3c9/0x3da [ 561.390752] [] ? __kernfs_create_file+0xb7/0x1e6 [ 561.424199] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 561.445310] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 561.467461] [] acpi_ns_walk_namespace+0x1bf/0x347 [ 561.490985] [] ? set_no_mwait+0x5b/0x5b [ 561.507951] [] ? set_no_mwait+0x5b/0x5b [ 561.528000] [] acpi_walk_namespace+0xba/0xf4 [ 561.549279] [] acpi_early_processor_set_pdc+0x35/0x4f [ 561.570539] [] acpi_init+0x32d/0x569 [ 561.590179] [] ? acpi_sleep_proc_init+0x39/0x39 [ 561.617142] [] ? __class_register+0x48b/0x50b [ 561.636905] [] ? acpi_sleep_proc_init+0x39/0x39 [ 561.656499] [] do_one_initcall+0x16d/0x258 [ 561.674938] [] ? initcall_blacklisted+0x198/0x198 [ 561.695365] [] ? up_write+0x8c/0xd9 [ 561.711523] [] ? down_write_trylock+0x100/0x100 [ 561.736162] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 561.758967] [] kernel_init_freeable+0x457/0x518 [ 561.779540] [] kernel_init+0x16/0x181 [ 561.798328] [] ret_from_fork+0x1f/0x40 [ 561.814422] [] ? rest_init+0x8f/0x8f [ 561.831873] ================================================================================ [ 561.930167] ACPI: Interpreter enabled [ 561.943201] ACPI: (supports S0 S3 S4 S5) [ 561.957598] ACPI: Using IOAPIC for interrupt routing [ 561.975991] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 563.459048] ================================================================================ [ 563.489538] UBSAN: Undefined behaviour in drivers/acpi/acpica/rsutils.c:162:4 [ 563.510444] store to misaligned address ffff88005c021531 for type 'u16' [ 563.531812] which requires 2 byte alignment [ 563.550276] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 563.572140] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 563.605037] 00000000ffffffff 00000000b1a89c60 ffff88005c9df1e0 ffffffffb26ec5cc [ 563.630223] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 563.659009] ffffffff00000010 ffff88005c9df208 ffff88005c9df1b8 ffffffffb363c3e0 [ 563.685423] Call Trace: [ 563.691972] [] dump_stack+0xd7/0x132 [ 563.710544] [] ? arch_local_irq_restore+0x1b/0x1b [ 563.730744] [] ubsan_epilogue+0x12/0x53 [ 563.748149] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 563.773994] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 563.798796] [] ? acpi_rs_convert_aml_to_resource+0xe8d/0xe9f [ 563.824699] [] acpi_rs_move_data+0xd0/0x1de [ 563.844630] [] acpi_rs_convert_aml_to_resource+0xaf6/0xe9f [ 563.869912] [] acpi_rs_convert_aml_to_resources+0x153/0x201 [ 563.894745] [] ? acpi_rs_create_aml_resources+0x1a2/0x1a2 [ 563.921505] [] acpi_ut_walk_aml_resources+0x158/0x26d [ 563.943463] [] ? acpi_ut_get_descriptor_length+0x5c/0x5c [ 563.964990] [] ? acpi_os_allocate+0x3d/0x41 [ 563.985539] [] acpi_rs_create_resource_list+0x156/0x1aa [ 564.011049] [] ? acpi_buffer_to_resource+0x1cc/0x1cc [ 564.049044] [] ? acpi_ut_evaluate_object+0x315/0x32c [ 564.074096] [] ? acpi_ut_evaluate_object+0x31a/0x32c [ 564.095820] [] ? acpi_pci_root_remove+0x197/0x197 [ 564.112986] [] acpi_rs_get_method_data+0x94/0xdd [ 564.132689] [] ? acpi_rs_get_aei_method_data+0xdc/0xdc [ 564.156401] [] ? acpi_evaluate_integer+0x12f/0x171 [ 564.178828] [] acpi_walk_resources+0x114/0x21b [ 564.198548] [] ? acpi_rs_match_vendor_resource+0x21b/0x21b [ 564.221731] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 564.247580] [] acpi_pci_root_add+0x1ff/0xb45 [ 564.266744] [] ? acpi_get_pci_dev+0x417/0x417 [ 564.288919] [] ? acpi_extract_package+0xa2d/0xa2d [ 564.311024] [] ? arch_local_save_flags+0x12/0x12 [ 564.334176] [] ? trace_rpm_return_int_rcuidle+0x93/0x122 [ 564.362159] [] ? acpi_bus_get_status+0xf6/0x12c [ 564.382436] [] ? strcmp+0x55/0x7d [ 564.399988] [] acpi_bus_attach+0x3d4/0x6c3 [ 564.422811] [] ? acpi_device_is_present+0x7a/0x7a [ 564.445045] [] ? __device_attach+0x2b4/0x30d [ 564.469468] [] ? device_bind_driver+0xdd/0xdd [ 564.494353] [] ? acpi_bus_get_status+0xf6/0x12c [ 564.517845] [] acpi_bus_attach+0x4f9/0x6c3 [ 564.538210] [] ? acpi_device_is_present+0x7a/0x7a [ 564.564146] [] ? __device_attach+0x2b4/0x30d [ 564.580776] [] ? device_bind_driver+0xdd/0xdd [ 564.604725] [] ? acpi_bus_get_status+0xf6/0x12c [ 564.624566] [] ? strcmp+0x55/0x7d [ 564.641388] [] acpi_bus_attach+0x4f9/0x6c3 [ 564.662323] [] ? acpi_device_is_present+0x7a/0x7a [ 564.685069] [] ? acpi_add_single_object+0x125e/0x125e [ 564.711958] [] ? acpi_walk_namespace+0xe3/0xf4 [ 564.739675] [] acpi_bus_scan+0xc8/0x101 [ 564.762609] [] ? acpi_walk_dep_device_list+0x266/0x266 [ 564.924928] [] acpi_scan_init+0x1cd/0x456 [ 564.947948] [] ? acpi_match_madt+0xec/0xec [ 564.974888] [] ? sfi_acpi_table_show+0x11a/0x11a [ 565.005631] [] ? bus_register+0x5a6/0x65f [ 565.030004] [] ? subsys_register.part.0+0x18e/0x18e [ 565.060047] [] acpi_init+0x4c6/0x569 [ 565.082306] [] ? acpi_sleep_proc_init+0x39/0x39 [ 565.108488] [] ? __class_register+0x48b/0x50b [ 565.137355] [] ? acpi_sleep_proc_init+0x39/0x39 [ 565.168905] [] do_one_initcall+0x16d/0x258 [ 565.207004] [] ? initcall_blacklisted+0x198/0x198 [ 565.241256] [] ? up_write+0x8c/0xd9 [ 565.267900] [] ? down_write_trylock+0x100/0x100 [ 565.307280] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 565.343129] [] kernel_init_freeable+0x457/0x518 [ 565.376983] [] kernel_init+0x16/0x181 [ 565.400675] [] ret_from_fork+0x1f/0x40 [ 565.423527] [] ? rest_init+0x8f/0x8f [ 565.440862] ================================================================================ [ 565.473495] ================================================================================ [ 565.505079] UBSAN: Undefined behaviour in drivers/acpi/acpica/rsutils.c:168:4 [ 565.531497] load of misaligned address ffff88005c7f8b56 for type 'u32' [ 565.554465] which requires 4 byte alignment [ 565.566499] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 565.587263] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 565.625567] 00000000ffffffff 00000000b1a89c60 ffff88005c9df1e0 ffffffffb26ec5cc [ 565.651972] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 565.679355] ffff880000000010 ffff88005c9df208 ffff88005c9df1b8 ffffffffb363c3e0 [ 565.705332] Call Trace: [ 565.714995] [] dump_stack+0xd7/0x132 [ 565.737405] [] ? arch_local_irq_restore+0x1b/0x1b [ 565.758586] [] ubsan_epilogue+0x12/0x53 [ 565.776149] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 565.806346] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 565.832451] [] ? acpi_rs_convert_aml_to_resource+0xe8d/0xe9f [ 565.860991] [] acpi_rs_move_data+0x110/0x1de [ 565.883242] [] acpi_rs_convert_aml_to_resource+0xaf6/0xe9f [ 565.907282] [] acpi_rs_convert_aml_to_resources+0x153/0x201 [ 565.931284] [] ? acpi_rs_create_aml_resources+0x1a2/0x1a2 [ 565.958336] [] acpi_ut_walk_aml_resources+0x158/0x26d [ 565.981464] [] ? acpi_ut_get_descriptor_length+0x5c/0x5c [ 566.005644] [] ? acpi_os_allocate+0x3d/0x41 [ 566.027679] [] acpi_rs_create_resource_list+0x156/0x1aa [ 566.052385] [] ? acpi_buffer_to_resource+0x1cc/0x1cc [ 566.077050] [] ? acpi_ut_evaluate_object+0x315/0x32c [ 566.101175] [] ? acpi_ut_evaluate_object+0x31a/0x32c [ 566.123225] [] ? acpi_pci_root_remove+0x197/0x197 [ 566.146657] [] acpi_rs_get_method_data+0x94/0xdd [ 566.170637] [] ? acpi_rs_get_aei_method_data+0xdc/0xdc [ 566.194685] [] ? acpi_evaluate_integer+0x12f/0x171 [ 566.216982] [] acpi_walk_resources+0x114/0x21b [ 566.237027] [] ? acpi_rs_match_vendor_resource+0x21b/0x21b [ 566.260458] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 566.283283] [] acpi_pci_root_add+0x1ff/0xb45 [ 566.302676] [] ? acpi_get_pci_dev+0x417/0x417 [ 566.320692] [] ? acpi_extract_package+0xa2d/0xa2d [ 566.338507] [] ? arch_local_save_flags+0x12/0x12 [ 566.358777] [] ? trace_rpm_return_int_rcuidle+0x93/0x122 [ 566.388542] [] ? acpi_bus_get_status+0xf6/0x12c [ 566.412390] [] ? strcmp+0x55/0x7d [ 566.434262] [] acpi_bus_attach+0x3d4/0x6c3 [ 566.455427] [] ? acpi_device_is_present+0x7a/0x7a [ 566.479687] [] ? __device_attach+0x2b4/0x30d [ 566.503136] [] ? device_bind_driver+0xdd/0xdd [ 566.527465] [] ? acpi_bus_get_status+0xf6/0x12c [ 566.550557] [] acpi_bus_attach+0x4f9/0x6c3 [ 566.573757] [] ? acpi_device_is_present+0x7a/0x7a [ 566.595706] [] ? __device_attach+0x2b4/0x30d [ 566.616759] [] ? device_bind_driver+0xdd/0xdd [ 566.634301] [] ? acpi_bus_get_status+0xf6/0x12c [ 566.652283] [] ? strcmp+0x55/0x7d [ 566.670885] [] acpi_bus_attach+0x4f9/0x6c3 [ 566.697973] [] ? acpi_device_is_present+0x7a/0x7a [ 566.718448] [] ? acpi_add_single_object+0x125e/0x125e [ 566.739241] [] ? acpi_walk_namespace+0xe3/0xf4 [ 566.760583] [] acpi_bus_scan+0xc8/0x101 [ 566.780967] [] ? acpi_walk_dep_device_list+0x266/0x266 [ 566.801692] [] acpi_scan_init+0x1cd/0x456 [ 566.820633] [] ? acpi_match_madt+0xec/0xec [ 566.839661] [] ? sfi_acpi_table_show+0x11a/0x11a [ 566.858890] [] ? bus_register+0x5a6/0x65f [ 566.875153] [] ? subsys_register.part.0+0x18e/0x18e [ 566.907232] [] acpi_init+0x4c6/0x569 [ 566.946177] [] ? acpi_sleep_proc_init+0x39/0x39 [ 566.988064] [] ? __class_register+0x48b/0x50b [ 567.136148] [] ? acpi_sleep_proc_init+0x39/0x39 [ 567.193337] [] do_one_initcall+0x16d/0x258 [ 567.268547] [] ? initcall_blacklisted+0x198/0x198 [ 567.300711] [] ? up_write+0x8c/0xd9 [ 567.318015] [] ? down_write_trylock+0x100/0x100 [ 567.349470] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 567.379677] [] kernel_init_freeable+0x457/0x518 [ 567.402990] [] kernel_init+0x16/0x181 [ 567.418787] [] ret_from_fork+0x1f/0x40 [ 567.434446] [] ? rest_init+0x8f/0x8f [ 567.453377] ================================================================================ [ 567.483386] ================================================================================ [ 567.509087] UBSAN: Undefined behaviour in drivers/acpi/acpica/rsutils.c:168:4 [ 567.530825] store to misaligned address ffff88005c0215b9 for type 'u32' [ 567.555274] which requires 4 byte alignment [ 567.569358] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 567.587687] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 567.620370] 00000000ffffffff 00000000b1a89c60 ffff88005c9df1e0 ffffffffb26ec5cc [ 567.641487] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 567.665744] ffff880000000010 ffff88005c9df208 ffff88005c9df1b8 ffffffffb363c3e0 [ 567.688748] Call Trace: [ 567.694844] [] dump_stack+0xd7/0x132 [ 567.711153] [] ? arch_local_irq_restore+0x1b/0x1b [ 567.730929] [] ubsan_epilogue+0x12/0x53 [ 567.747918] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 567.768765] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 567.793219] [] ? acpi_rs_convert_aml_to_resource+0xe8d/0xe9f [ 567.822715] [] acpi_rs_move_data+0x13d/0x1de [ 567.841260] [] acpi_rs_convert_aml_to_resource+0xaf6/0xe9f [ 567.862930] [] acpi_rs_convert_aml_to_resources+0x153/0x201 [ 567.885615] [] ? acpi_rs_create_aml_resources+0x1a2/0x1a2 [ 567.909036] [] acpi_ut_walk_aml_resources+0x158/0x26d [ 567.931454] [] ? acpi_ut_get_descriptor_length+0x5c/0x5c [ 567.953775] [] ? acpi_os_allocate+0x3d/0x41 [ 567.970277] [] acpi_rs_create_resource_list+0x156/0x1aa [ 567.990829] [] ? acpi_buffer_to_resource+0x1cc/0x1cc [ 568.009457] [] ? acpi_ut_evaluate_object+0x315/0x32c [ 568.029109] [] ? acpi_ut_evaluate_object+0x31a/0x32c [ 568.049726] [] ? acpi_pci_root_remove+0x197/0x197 [ 568.066982] [] acpi_rs_get_method_data+0x94/0xdd [ 568.086334] [] ? acpi_rs_get_aei_method_data+0xdc/0xdc [ 568.107947] [] ? acpi_evaluate_integer+0x12f/0x171 [ 568.126813] [] acpi_walk_resources+0x114/0x21b [ 568.147773] [] ? acpi_rs_match_vendor_resource+0x21b/0x21b [ 568.168764] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 568.203423] [] acpi_pci_root_add+0x1ff/0xb45 [ 568.230583] [] ? acpi_get_pci_dev+0x417/0x417 [ 568.250887] [] ? acpi_extract_package+0xa2d/0xa2d [ 568.271715] [] ? arch_local_save_flags+0x12/0x12 [ 568.292211] [] ? trace_rpm_return_int_rcuidle+0x93/0x122 [ 568.316925] [] ? acpi_bus_get_status+0xf6/0x12c [ 568.334132] [] ? strcmp+0x55/0x7d [ 568.361693] [] acpi_bus_attach+0x3d4/0x6c3 [ 568.378104] [] ? acpi_device_is_present+0x7a/0x7a [ 568.396273] [] ? __device_attach+0x2b4/0x30d [ 568.412225] [] ? device_bind_driver+0xdd/0xdd [ 568.431493] [] ? acpi_bus_get_status+0xf6/0x12c [ 568.449565] [] acpi_bus_attach+0x4f9/0x6c3 [ 568.467409] [] ? acpi_device_is_present+0x7a/0x7a [ 568.489941] [] ? __device_attach+0x2b4/0x30d [ 568.527073] [] ? device_bind_driver+0xdd/0xdd [ 568.544890] [] ? acpi_bus_get_status+0xf6/0x12c [ 568.562282] [] ? strcmp+0x55/0x7d [ 568.580677] [] acpi_bus_attach+0x4f9/0x6c3 [ 568.605466] [] ? acpi_device_is_present+0x7a/0x7a [ 568.626866] [] ? acpi_add_single_object+0x125e/0x125e [ 568.649975] [] ? acpi_walk_namespace+0xe3/0xf4 [ 568.686345] [] acpi_bus_scan+0xc8/0x101 [ 568.713062] [] ? acpi_walk_dep_device_list+0x266/0x266 [ 568.750899] [] acpi_scan_init+0x1cd/0x456 [ 568.782614] [] ? acpi_match_madt+0xec/0xec [ 568.805658] [] ? sfi_acpi_table_show+0x11a/0x11a [ 568.826434] [] ? bus_register+0x5a6/0x65f [ 568.871911] [] ? subsys_register.part.0+0x18e/0x18e [ 568.904920] [] acpi_init+0x4c6/0x569 [ 568.922482] [] ? acpi_sleep_proc_init+0x39/0x39 [ 568.942530] [] ? __class_register+0x48b/0x50b [ 568.959175] [] ? acpi_sleep_proc_init+0x39/0x39 [ 568.986856] [] do_one_initcall+0x16d/0x258 [ 569.011043] [] ? initcall_blacklisted+0x198/0x198 [ 569.040444] [] ? up_write+0x8c/0xd9 [ 569.064585] [] ? down_write_trylock+0x100/0x100 [ 569.090756] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 569.120012] [] kernel_init_freeable+0x457/0x518 [ 569.142257] [] kernel_init+0x16/0x181 [ 569.164054] [] ret_from_fork+0x1f/0x40 [ 569.197266] [] ? rest_init+0x8f/0x8f [ 569.214519] ================================================================================ [ 569.240698] ================================================================================ [ 569.267457] UBSAN: Undefined behaviour in drivers/acpi/acpica/rsaddr.c:315:19 [ 569.289174] member access within misaligned address ffff88005c7f8b6a for type 'union aml_resource' [ 569.321468] which requires 4 byte alignment [ 569.333063] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 569.350657] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 569.433901] 00000000ffffffff 00000000b1a89c60 ffff88005c9df210 ffffffffb26ec5cc [ 569.470840] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 569.494785] 0000000000000010 ffff88005c9df238 ffff88005c9df1e8 ffffffffb363c3e0 [ 569.517421] Call Trace: [ 569.524592] [] dump_stack+0xd7/0x132 [ 569.544829] [] ? arch_local_irq_restore+0x1b/0x1b [ 569.582345] [] ubsan_epilogue+0x12/0x53 [ 569.698133] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 569.725038] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 569.752375] [] acpi_rs_get_address_common+0x32/0x112 [ 569.792142] [] acpi_rs_convert_aml_to_resource+0xb7e/0xe9f [ 569.826579] [] acpi_rs_convert_aml_to_resources+0x153/0x201 [ 569.864990] [] ? acpi_rs_create_aml_resources+0x1a2/0x1a2 [ 569.889729] [] acpi_ut_walk_aml_resources+0x158/0x26d [ 569.909739] [] ? acpi_ut_get_descriptor_length+0x5c/0x5c [ 569.932106] [] ? acpi_os_allocate+0x3d/0x41 [ 569.955098] [] acpi_rs_create_resource_list+0x156/0x1aa [ 569.983439] [] ? acpi_buffer_to_resource+0x1cc/0x1cc [ 570.009642] [] ? acpi_ut_evaluate_object+0x315/0x32c [ 570.033437] [] ? acpi_ut_evaluate_object+0x31a/0x32c [ 570.061608] [] ? acpi_pci_root_remove+0x197/0x197 [ 570.090294] [] acpi_rs_get_method_data+0x94/0xdd [ 570.124857] [] ? acpi_rs_get_aei_method_data+0xdc/0xdc [ 570.152857] [] ? acpi_evaluate_integer+0x12f/0x171 [ 570.176855] [] acpi_walk_resources+0x114/0x21b [ 570.199598] [] ? acpi_rs_match_vendor_resource+0x21b/0x21b [ 570.223086] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 570.246888] [] acpi_pci_root_add+0x1ff/0xb45 [ 570.270870] [] ? acpi_get_pci_dev+0x417/0x417 [ 570.294696] [] ? acpi_extract_package+0xa2d/0xa2d [ 570.327943] [] ? arch_local_save_flags+0x12/0x12 [ 570.357688] [] ? trace_rpm_return_int_rcuidle+0x93/0x122 [ 570.404135] [] ? acpi_bus_get_status+0xf6/0x12c [ 570.429271] [] ? strcmp+0x55/0x7d [ 570.449280] [] acpi_bus_attach+0x3d4/0x6c3 [ 570.473639] [] ? acpi_device_is_present+0x7a/0x7a [ 570.502019] [] ? __device_attach+0x2b4/0x30d [ 570.526635] [] ? device_bind_driver+0xdd/0xdd [ 570.555204] [] ? acpi_bus_get_status+0xf6/0x12c [ 570.586026] [] acpi_bus_attach+0x4f9/0x6c3 [ 570.614487] [] ? acpi_device_is_present+0x7a/0x7a [ 570.646575] [] ? __device_attach+0x2b4/0x30d [ 570.669798] [] ? device_bind_driver+0xdd/0xdd [ 570.695118] [] ? acpi_bus_get_status+0xf6/0x12c [ 570.720837] [] ? strcmp+0x55/0x7d [ 570.743296] [] acpi_bus_attach+0x4f9/0x6c3 [ 570.765689] [] ? acpi_device_is_present+0x7a/0x7a [ 570.794304] [] ? acpi_add_single_object+0x125e/0x125e [ 570.823340] [] ? acpi_walk_namespace+0xe3/0xf4 [ 570.843532] [] acpi_bus_scan+0xc8/0x101 [ 570.867799] [] ? acpi_walk_dep_device_list+0x266/0x266 [ 570.891961] [] acpi_scan_init+0x1cd/0x456 [ 570.914408] [] ? acpi_match_madt+0xec/0xec [ 570.941460] [] ? sfi_acpi_table_show+0x11a/0x11a [ 570.964053] [] ? bus_register+0x5a6/0x65f [ 570.985280] [] ? subsys_register.part.0+0x18e/0x18e [ 571.011467] [] acpi_init+0x4c6/0x569 [ 571.032961] [] ? acpi_sleep_proc_init+0x39/0x39 [ 571.056365] [] ? __class_register+0x48b/0x50b [ 571.078685] [] ? acpi_sleep_proc_init+0x39/0x39 [ 571.104893] [] do_one_initcall+0x16d/0x258 [ 571.127531] [] ? initcall_blacklisted+0x198/0x198 [ 571.153363] [] ? up_write+0x8c/0xd9 [ 571.172399] [] ? down_write_trylock+0x100/0x100 [ 571.204536] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 571.234649] [] kernel_init_freeable+0x457/0x518 [ 571.261332] [] kernel_init+0x16/0x181 [ 571.286591] [] ret_from_fork+0x1f/0x40 [ 571.308051] [] ? rest_init+0x8f/0x8f [ 571.328072] ================================================================================ [ 571.368762] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 571.393844] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 571.427367] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 571.454674] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 571.609248] acpiphp: Slot [3] registered [ 571.638192] acpiphp: Slot [4] registered [ 571.657697] acpiphp: Slot [5] registered [ 571.677758] acpiphp: Slot [6] registered [ 571.701118] acpiphp: Slot [7] registered [ 571.722578] acpiphp: Slot [8] registered [ 571.744309] acpiphp: Slot [9] registered [ 571.765110] acpiphp: Slot [10] registered [ 571.780351] acpiphp: Slot [11] registered [ 571.799207] acpiphp: Slot [12] registered [ 571.820653] acpiphp: Slot [13] registered [ 571.838273] acpiphp: Slot [14] registered [ 571.854861] acpiphp: Slot [15] registered [ 571.877501] acpiphp: Slot [16] registered [ 571.895516] acpiphp: Slot [17] registered [ 571.919589] acpiphp: Slot [18] registered [ 571.947850] acpiphp: Slot [19] registered [ 571.976027] acpiphp: Slot [20] registered [ 572.005430] acpiphp: Slot [21] registered [ 572.030549] acpiphp: Slot [22] registered [ 572.055694] acpiphp: Slot [23] registered [ 572.079412] acpiphp: Slot [24] registered [ 572.111005] acpiphp: Slot [25] registered [ 572.143747] acpiphp: Slot [26] registered [ 572.164266] acpiphp: Slot [27] registered [ 572.193598] acpiphp: Slot [28] registered [ 572.215129] acpiphp: Slot [29] registered [ 572.246986] acpiphp: Slot [30] registered [ 572.269937] acpiphp: Slot [31] registered [ 572.286441] PCI host bridge to bus 0000:00 [ 572.301767] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 572.328256] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 572.358780] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 572.386353] pci_bus 0000:00: root bus resource [mem 0xbe800000-0xfebfffff window] [ 572.413101] pci_bus 0000:00: root bus resource [bus 00-ff] [ 573.044838] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7] [ 573.072621] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io 0x03f6] [ 573.096911] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177] [ 573.126106] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io 0x0376] [ 574.778113] pci 0000:00:01.3: quirk: [io 0x0600-0x063f] claimed by PIIX4 ACPI [ 574.805356] pci 0000:00:01.3: quirk: [io 0x0700-0x070f] claimed by PIIX4 SMB [ 576.474521] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 576.524558] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 576.564625] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 576.607730] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 576.640177] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 576.780263] ACPI: Enabled 16 GPEs in block 00 to 0F [ 577.583259] SCSI subsystem initialized [ 577.613409] ================================================================================ [ 577.658630] UBSAN: Undefined behaviour in fs/namespace.c:323:17 [ 577.682686] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 577.717861] which requires 64 byte alignment [ 577.737982] CPU: 0 PID: 33 Comm: kdevtmpfs Not tainted 4.8.11 #1 [ 577.760878] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 577.800018] 00000000ffffffff 0000000067857a2c ffff88005cb679f0 ffffffffb26ec5cc [ 577.829756] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 577.863414] ffff880000000010 ffff88005cb67a18 ffff88005cb679c8 ffffffffb363c3e0 [ 577.898951] Call Trace: [ 577.908927] [] dump_stack+0xd7/0x132 [ 577.926581] [] ? arch_local_irq_restore+0x1b/0x1b [ 577.950482] [] ubsan_epilogue+0x12/0x53 [ 577.973959] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 577.998000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 578.025064] [] ? ___slab_alloc+0xb72/0xbd2 [ 578.045539] [] ? ___slab_alloc+0xb72/0xbd2 [ 578.066449] [] ? getname_kernel+0x41/0x1e3 [ 578.083455] [] __mnt_want_write+0xd0/0x142 [ 578.101505] [] ? percpu_down_read+0x5f/0x8b [ 578.122643] [] mnt_want_write+0x56/0xa0 [ 578.142256] [] filename_create+0x129/0x383 [ 578.159691] [] ? kern_path_mountpoint+0x41/0x41 [ 578.183705] [] ? kmem_cache_alloc+0x20f/0x33f [ 578.205828] [] ? getname_kernel+0x41/0x1e3 [ 578.225909] [] ? __asan_storeN+0x12/0x14 [ 578.246623] [] kern_path_create+0x3a/0x41 [ 578.265598] [] handle_create+0xd4/0x497 [ 578.286092] [] ? handle_remove+0x63f/0x63f [ 578.305039] [] ? __schedule+0x123d/0x126c [ 578.324571] [] ? io_schedule_timeout+0x33d/0x33d [ 578.347609] [] ? default_wake_function+0x49/0x50 [ 578.371453] [] ? __wake_up_common+0xe0/0x14f [ 578.396278] [] devtmpfsd+0x29a/0x39f [ 578.416714] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 578.442844] [] kthread+0x1f7/0x20b [ 578.461326] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 578.481957] [] ? init_completion+0x48/0x48 [ 578.502089] [] ret_from_fork+0x1f/0x40 [ 578.521757] [] ? init_completion+0x48/0x48 [ 578.541475] ================================================================================ [ 578.582988] ================================================================================ [ 578.621388] UBSAN: Undefined behaviour in fs/namespace.c:281:17 [ 578.640577] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 578.675320] which requires 64 byte alignment [ 578.689877] CPU: 0 PID: 33 Comm: kdevtmpfs Not tainted 4.8.11 #1 [ 578.710023] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 578.742626] 00000000ffffffff 0000000067857a2c ffff88005cb679d0 ffffffffb26ec5cc [ 578.767183] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 578.792300] 0000000000000010 ffff88005cb679f8 ffff88005cb679a8 ffffffffb363c3e0 [ 578.821552] Call Trace: [ 578.830560] [] dump_stack+0xd7/0x132 [ 578.854264] [] ? arch_local_irq_restore+0x1b/0x1b [ 578.877045] [] ubsan_epilogue+0x12/0x53 [ 578.897597] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 578.921259] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 578.945826] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 578.970474] [] ? ___slab_alloc+0xb72/0xbd2 [ 578.990656] [] ? ___slab_alloc+0xb72/0xbd2 [ 579.011823] [] __mnt_is_readonly+0x86/0xa4 [ 579.034175] [] __mnt_want_write+0x129/0x142 [ 579.057454] [] ? percpu_down_read+0x5f/0x8b [ 579.074647] [] mnt_want_write+0x56/0xa0 [ 579.097747] [] filename_create+0x129/0x383 [ 579.120247] [] ? kern_path_mountpoint+0x41/0x41 [ 579.141211] [] ? kmem_cache_alloc+0x20f/0x33f [ 579.161294] [] ? getname_kernel+0x41/0x1e3 [ 579.189717] [] ? __asan_storeN+0x12/0x14 [ 579.207962] [] kern_path_create+0x3a/0x41 [ 579.228800] [] handle_create+0xd4/0x497 [ 579.249900] [] ? handle_remove+0x63f/0x63f [ 579.272164] [] ? __schedule+0x123d/0x126c [ 579.292421] [] ? io_schedule_timeout+0x33d/0x33d [ 579.315669] [] ? default_wake_function+0x49/0x50 [ 579.341891] [] ? __wake_up_common+0xe0/0x14f [ 579.361718] [] devtmpfsd+0x29a/0x39f [ 579.380637] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 579.405471] [] kthread+0x1f7/0x20b [ 579.424309] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 579.447849] [] ? init_completion+0x48/0x48 [ 579.469014] [] ret_from_fork+0x1f/0x40 [ 579.487917] [] ? init_completion+0x48/0x48 [ 579.507239] ================================================================================ [ 579.539950] ================================================================================ [ 579.566343] UBSAN: Undefined behaviour in fs/namei.c:2820:12 [ 579.586705] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 579.621320] which requires 64 byte alignment [ 579.636732] CPU: 0 PID: 33 Comm: kdevtmpfs Not tainted 4.8.11 #1 [ 579.662402] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 579.701080] 00000000ffffffff 0000000067857a2c ffff88005cb67b08 ffffffffb26ec5cc [ 579.725826] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 579.759322] 0000000000000010 ffff88005cb67b30 ffff88005cb67ae0 ffffffffb363c3e0 [ 579.784412] Call Trace: [ 579.793983] [] dump_stack+0xd7/0x132 [ 579.813248] [] ? arch_local_irq_restore+0x1b/0x1b [ 579.833052] [] ubsan_epilogue+0x12/0x53 [ 579.850510] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 579.879104] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 579.912125] [] may_create+0xd5/0x1c1 [ 579.932491] [] vfs_mknod+0x30/0x189 [ 579.951210] [] handle_create+0x32d/0x497 [ 579.977712] [] ? handle_remove+0x63f/0x63f [ 580.000905] [] ? __schedule+0x123d/0x126c [ 580.023469] [] ? io_schedule_timeout+0x33d/0x33d [ 580.047212] [] ? default_wake_function+0x49/0x50 [ 580.075528] [] ? __wake_up_common+0xe0/0x14f [ 580.100936] [] devtmpfsd+0x29a/0x39f [ 580.123515] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 580.149244] [] kthread+0x1f7/0x20b [ 580.170253] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 580.202708] [] ? init_completion+0x48/0x48 [ 580.227110] [] ret_from_fork+0x1f/0x40 [ 580.247078] [] ? init_completion+0x48/0x48 [ 580.271331] ================================================================================ [ 580.305756] ================================================================================ [ 580.361736] UBSAN: Undefined behaviour in fs/namei.c:450:10 [ 580.385379] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 580.416930] which requires 64 byte alignment [ 580.430943] CPU: 0 PID: 33 Comm: kdevtmpfs Not tainted 4.8.11 #1 [ 580.453014] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 580.489428] 00000000ffffffff 0000000067857a2c ffff88005cb67ad0 ffffffffb26ec5cc [ 580.517525] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 580.545774] ffff880000000010 ffff88005cb67af8 ffff88005cb67aa8 ffffffffb363c3e0 [ 580.569744] Call Trace: [ 580.579785] [] dump_stack+0xd7/0x132 [ 580.598185] [] ? arch_local_irq_restore+0x1b/0x1b [ 580.622708] [] ubsan_epilogue+0x12/0x53 [ 580.647938] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 580.680730] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 580.714721] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 580.746902] [] inode_permission+0x8f/0xed [ 580.771620] [] may_create+0x1ae/0x1c1 [ 580.797659] [] vfs_mknod+0x30/0x189 [ 580.820433] [] handle_create+0x32d/0x497 [ 580.844962] [] ? handle_remove+0x63f/0x63f [ 580.866682] [] ? __schedule+0x123d/0x126c [ 580.894226] [] ? io_schedule_timeout+0x33d/0x33d [ 580.918677] [] ? default_wake_function+0x49/0x50 [ 580.944246] [] ? __wake_up_common+0xe0/0x14f [ 580.967403] [] devtmpfsd+0x29a/0x39f [ 580.990880] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 581.021216] [] kthread+0x1f7/0x20b [ 581.041541] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 581.068436] [] ? init_completion+0x48/0x48 [ 581.095503] [] ret_from_fork+0x1f/0x40 [ 581.120858] [] ? init_completion+0x48/0x48 [ 581.146858] ================================================================================ [ 581.181816] ================================================================================ [ 581.226436] UBSAN: Undefined behaviour in fs/posix_acl.c:590:25 [ 581.254523] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 581.297047] which requires 64 byte alignment [ 581.319804] CPU: 0 PID: 33 Comm: kdevtmpfs Not tainted 4.8.11 #1 [ 581.347661] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 581.390846] 00000000ffffffff 0000000067857a2c ffff88005cb679e8 ffffffffb26ec5cc [ 581.422041] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 581.450351] 0000000000000010 ffff88005cb67a10 ffff88005cb679c0 ffffffffb363c3e0 [ 581.477161] Call Trace: [ 581.498289] [] dump_stack+0xd7/0x132 [ 581.514867] [] ? arch_local_irq_restore+0x1b/0x1b [ 581.538812] [] ubsan_epilogue+0x12/0x53 [ 581.555808] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 581.579367] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 581.604325] [] ? hlist_add_head+0x12a/0x161 [ 581.624410] [] ? __remove_inode_hash+0x212/0x212 [ 582.163140] [] posix_acl_create+0xf2/0x29b [ 582.184310] [] simple_acl_create+0xa1/0x149 [ 582.206798] [] ? simple_set_acl+0xbe/0xbe [ 582.227064] [] ? shmem_put_super+0x122/0x122 [ 582.248959] [] ? match_exception_partial+0x21c/0x22b [ 582.274112] [] shmem_mknod+0x85/0x1af [ 582.290485] [] vfs_mknod+0x158/0x189 [ 582.312542] [] handle_create+0x32d/0x497 [ 582.329560] [] ? handle_remove+0x63f/0x63f [ 582.352130] [] ? __schedule+0x123d/0x126c [ 582.379015] [] ? io_schedule_timeout+0x33d/0x33d [ 582.400991] [] ? default_wake_function+0x49/0x50 [ 582.422807] [] ? __wake_up_common+0xe0/0x14f [ 582.442745] [] devtmpfsd+0x29a/0x39f [ 582.460867] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 582.483950] [] kthread+0x1f7/0x20b [ 582.502194] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 582.524626] [] ? init_completion+0x48/0x48 [ 582.542455] [] ret_from_fork+0x1f/0x40 [ 582.560794] [] ? init_completion+0x48/0x48 [ 582.581612] ================================================================================ [ 582.605481] ================================================================================ [ 582.631880] UBSAN: Undefined behaviour in fs/attr.c:296:7 [ 582.647077] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 582.676259] which requires 64 byte alignment [ 582.689290] CPU: 0 PID: 33 Comm: kdevtmpfs Not tainted 4.8.11 #1 [ 582.710782] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 582.741443] 00000000ffffffff 0000000067857a2c ffff88005cb67ae8 ffffffffb26ec5cc [ 582.766099] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 582.790392] 0000000000000010 ffff88005cb67b10 ffff88005cb67ac0 ffffffffb363c3e0 [ 582.817233] Call Trace: [ 582.824368] [] dump_stack+0xd7/0x132 [ 582.842341] [] ? arch_local_irq_restore+0x1b/0x1b [ 582.863759] [] ubsan_epilogue+0x12/0x53 [ 582.885466] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 582.908491] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 582.933129] [] ? timespec_trunc+0xb7/0xcc [ 582.951240] [] notify_change+0x773/0xc5b [ 582.969603] [] handle_create+0x3a6/0x497 [ 582.989004] [] ? handle_create+0x3a6/0x497 [ 583.007249] [] ? handle_remove+0x63f/0x63f [ 583.024854] [] ? __schedule+0x123d/0x126c [ 583.043599] [] ? io_schedule_timeout+0x33d/0x33d [ 583.065316] [] devtmpfsd+0x29a/0x39f [ 583.082590] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 583.105479] [] kthread+0x1f7/0x20b [ 583.118673] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 583.143785] [] ? init_completion+0x48/0x48 [ 583.163643] [] ret_from_fork+0x1f/0x40 [ 583.182388] [] ? init_completion+0x48/0x48 [ 583.199579] ================================================================================ [ 583.224240] ================================================================================ [ 583.250574] UBSAN: Undefined behaviour in fs/attr.c:299:7 [ 583.269864] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 583.298111] which requires 64 byte alignment [ 583.310987] CPU: 0 PID: 33 Comm: kdevtmpfs Not tainted 4.8.11 #1 [ 583.326611] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 583.362812] 00000000ffffffff 0000000067857a2c ffff88005cb67ae8 ffffffffb26ec5cc [ 583.389983] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 583.418447] ffffffff00000010 ffff88005cb67b10 ffff88005cb67ac0 ffffffffb363c3e0 [ 583.441825] Call Trace: [ 583.452692] [] dump_stack+0xd7/0x132 [ 583.470467] [] ? arch_local_irq_restore+0x1b/0x1b [ 583.491482] [] ubsan_epilogue+0x12/0x53 [ 583.511031] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 583.535919] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 583.558797] [] ? map_id_up+0x11c/0x12b [ 583.577938] [] notify_change+0x7f3/0xc5b [ 583.595777] [] handle_create+0x3a6/0x497 [ 583.611022] [] ? handle_create+0x3a6/0x497 [ 583.635989] [] ? handle_remove+0x63f/0x63f [ 583.656657] [] ? __schedule+0x123d/0x126c [ 583.676247] [] ? io_schedule_timeout+0x33d/0x33d [ 583.697949] [] devtmpfsd+0x29a/0x39f [ 583.715248] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 583.736192] [] kthread+0x1f7/0x20b [ 583.749748] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 583.774844] [] ? init_completion+0x48/0x48 [ 583.795929] [] ret_from_fork+0x1f/0x40 [ 583.813888] [] ? init_completion+0x48/0x48 [ 583.834781] ================================================================================ [ 583.862658] ================================================================================ [ 583.892541] UBSAN: Undefined behaviour in mm/shmem.c:133:11 [ 583.909960] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 583.937914] which requires 64 byte alignment [ 583.949969] CPU: 0 PID: 33 Comm: kdevtmpfs Not tainted 4.8.11 #1 [ 583.969744] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 584.005996] 00000000ffffffff 0000000067857a2c ffff88005cb67a88 ffffffffb26ec5cc [ 584.030216] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 584.057697] 1ffff10000000010 ffff88005cb67ab0 ffff88005cb67a60 ffffffffb363c3e0 [ 584.081502] Call Trace: [ 584.090700] [] dump_stack+0xd7/0x132 [ 584.108199] [] ? arch_local_irq_restore+0x1b/0x1b [ 584.126547] [] ubsan_epilogue+0x12/0x53 [ 584.145622] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 584.167819] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 584.192955] [] ? shmem_evict_inode+0x4ff/0x4ff [ 584.216486] [] shmem_setattr+0x89/0x66b [ 584.234079] [] ? shmem_evict_inode+0x4ff/0x4ff [ 584.251514] [] notify_change+0xa68/0xc5b [ 584.272652] [] handle_create+0x3a6/0x497 [ 584.293214] [] ? handle_create+0x3a6/0x497 [ 584.314644] [] ? handle_remove+0x63f/0x63f [ 584.332177] [] ? __schedule+0x123d/0x126c [ 584.349291] [] ? io_schedule_timeout+0x33d/0x33d [ 584.369797] [] devtmpfsd+0x29a/0x39f [ 584.389723] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 584.413341] [] kthread+0x1f7/0x20b [ 584.428031] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 584.451060] [] ? init_completion+0x48/0x48 [ 584.470375] [] ret_from_fork+0x1f/0x40 [ 584.486710] [] ? init_completion+0x48/0x48 [ 584.503647] ================================================================================ [ 584.530687] ================================================================================ [ 584.563077] UBSAN: Undefined behaviour in fs/posix_acl.c:558:7 [ 584.589867] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 584.637492] which requires 64 byte alignment [ 584.650207] CPU: 0 PID: 33 Comm: kdevtmpfs Not tainted 4.8.11 #1 [ 584.676383] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 584.719792] 00000000ffffffff 0000000067857a2c ffff88005cb679e8 ffffffffb26ec5cc [ 584.745775] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 584.769273] ffffffff00000010 ffff88005cb67a10 ffff88005cb679c0 ffffffffb363c3e0 [ 584.792485] Call Trace: [ 584.799555] [] dump_stack+0xd7/0x132 [ 584.819004] [] ? arch_local_irq_restore+0x1b/0x1b [ 584.842243] [] ubsan_epilogue+0x12/0x53 [ 584.860987] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 584.886329] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 584.911150] [] ? arch_local_irq_restore+0x6/0xd [ 584.930875] [] posix_acl_chmod+0xb7/0x28a [ 584.949898] [] ? posix_acl_xattr_get+0x143/0x143 [ 584.969545] [] ? shmem_evict_inode+0x4ff/0x4ff [ 584.993777] [] ? shmem_evict_inode+0x4ff/0x4ff [ 585.015619] [] ? shmem_evict_inode+0x4ff/0x4ff [ 585.039361] [] shmem_setattr+0x639/0x66b [ 585.060613] [] ? shmem_evict_inode+0x4ff/0x4ff [ 585.081022] [] notify_change+0xa68/0xc5b [ 585.102297] [] handle_create+0x3a6/0x497 [ 585.122568] [] ? handle_create+0x3a6/0x497 [ 585.143247] [] ? handle_remove+0x63f/0x63f [ 585.171248] [] ? __schedule+0x123d/0x126c [ 585.199450] [] ? io_schedule_timeout+0x33d/0x33d [ 585.222914] [] devtmpfsd+0x29a/0x39f [ 585.249019] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 585.274997] [] kthread+0x1f7/0x20b [ 585.290602] [] ? queued_spin_unlock.constprop.1+0x19/0x19 [ 585.316379] [] ? init_completion+0x48/0x48 [ 585.335770] [] ret_from_fork+0x1f/0x40 [ 585.356718] [] ? init_completion+0x48/0x48 [ 585.372538] ================================================================================ [ 585.404726] vgaarb: setting as boot device: PCI:0000:00:02.0 [ 585.421379] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none [ 585.448054] vgaarb: loaded [ 585.459019] vgaarb: bridge control possible 0000:00:02.0 [ 585.476509] ACPI: bus type USB registered [ 585.490199] usbcore: registered new interface driver usbfs [ 585.508770] usbcore: registered new interface driver hub [ 585.538400] usbcore: registered new device driver usb [ 585.588313] PCI: Using ACPI for IRQ routing [ 585.605275] ================================================================================ [ 585.640334] UBSAN: Undefined behaviour in net/core/dev.c:7629:14 [ 585.663253] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 585.697568] which requires 64 byte alignment [ 585.709020] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 585.729599] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 585.767770] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 585.793367] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 585.819239] 0000000000000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 585.844854] Call Trace: [ 585.851917] [] dump_stack+0xd7/0x132 [ 585.871227] [] ? arch_local_irq_restore+0x1b/0x1b [ 585.894482] [] ubsan_epilogue+0x12/0x53 [ 585.910139] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 585.936302] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 585.959939] [] alloc_netdev_mqs+0x190/0xc70 [ 585.976886] [] ? always_on+0x15/0x15 [ 585.998010] [] ? free_netdev+0x290/0x290 [ 586.015513] [] ? netdev_init+0x1d7/0x210 [ 586.033888] [] ? netdev_exit+0x77/0x77 [ 586.050776] [] ? kfree+0x14f/0x374 [ 586.066826] [] loopback_net_init+0x39/0x150 [ 586.088522] [] ? loopback_xmit+0x341/0x341 [ 586.108836] [] ops_init+0x364/0x3c8 [ 586.127039] [] ? __list_add+0x211/0x249 [ 586.146726] [] ? net_alloc_generic+0x64/0x64 [ 586.167107] [] register_pernet_operations+0x28a/0x3ea [ 586.189041] [] ? unregister_pernet_device+0x73/0x73 [ 586.215840] [] register_pernet_device+0x2f/0x6b [ 586.239477] [] net_dev_init+0x57c/0x61a [ 586.257627] [] ? netdev_boot_setup+0x232/0x232 [ 586.279876] [] ? netdev_boot_setup+0x232/0x232 [ 586.300530] [] do_one_initcall+0x16d/0x258 [ 586.319858] [] ? initcall_blacklisted+0x198/0x198 [ 586.342773] [] ? up_write+0x8c/0xd9 [ 586.360759] [] ? down_write_trylock+0x100/0x100 [ 586.383412] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 586.406328] [] kernel_init_freeable+0x457/0x518 [ 586.428341] [] kernel_init+0x16/0x181 [ 586.445551] [] ret_from_fork+0x1f/0x40 [ 586.462587] [] ? rest_init+0x8f/0x8f [ 586.481994] ================================================================================ [ 586.512269] ================================================================================ [ 586.542000] UBSAN: Undefined behaviour in net/core/dev.c:7631:19 [ 586.561916] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 586.592838] which requires 64 byte alignment [ 586.607795] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 586.625543] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 586.659003] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 586.686237] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 586.717363] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 586.742625] Call Trace: [ 586.750614] [] dump_stack+0xd7/0x132 [ 586.770088] [] ? arch_local_irq_restore+0x1b/0x1b [ 586.792565] [] ubsan_epilogue+0x12/0x53 [ 586.809377] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 586.834226] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 586.858717] [] alloc_netdev_mqs+0x1cf/0xc70 [ 586.879293] [] ? always_on+0x15/0x15 [ 586.897101] [] ? free_netdev+0x290/0x290 [ 586.915613] [] ? netdev_init+0x1d7/0x210 [ 586.934367] [] ? netdev_exit+0x77/0x77 [ 586.954785] [] ? kfree+0x14f/0x374 [ 586.969112] [] loopback_net_init+0x39/0x150 [ 586.990505] [] ? loopback_xmit+0x341/0x341 [ 587.010371] [] ops_init+0x364/0x3c8 [ 587.034507] [] ? __list_add+0x211/0x249 [ 587.063578] [] ? net_alloc_generic+0x64/0x64 [ 587.087557] [] register_pernet_operations+0x28a/0x3ea [ 587.110666] [] ? unregister_pernet_device+0x73/0x73 [ 587.130080] [] register_pernet_device+0x2f/0x6b [ 587.151768] [] net_dev_init+0x57c/0x61a [ 587.173171] [] ? netdev_boot_setup+0x232/0x232 [ 587.196256] [] ? netdev_boot_setup+0x232/0x232 [ 587.215760] [] do_one_initcall+0x16d/0x258 [ 587.234839] [] ? initcall_blacklisted+0x198/0x198 [ 587.252997] [] ? up_write+0x8c/0xd9 [ 587.270091] [] ? down_write_trylock+0x100/0x100 [ 587.292942] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 587.318469] [] kernel_init_freeable+0x457/0x518 [ 587.336196] [] kernel_init+0x16/0x181 [ 587.351770] [] ret_from_fork+0x1f/0x40 [ 587.373865] [] ? rest_init+0x8f/0x8f [ 587.390019] ================================================================================ [ 587.415982] ================================================================================ [ 587.441614] UBSAN: Undefined behaviour in net/core/dev.c:7632:10 [ 587.459863] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 587.488151] which requires 64 byte alignment [ 587.505756] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 587.523755] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 587.554455] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 587.583380] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 587.610247] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 587.634026] Call Trace: [ 587.641780] [] dump_stack+0xd7/0x132 [ 587.659209] [] ? arch_local_irq_restore+0x1b/0x1b [ 587.682388] [] ubsan_epilogue+0x12/0x53 [ 587.700642] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 587.725511] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 587.748015] [] alloc_netdev_mqs+0x205/0xc70 [ 587.769515] [] ? always_on+0x15/0x15 [ 587.787507] [] ? free_netdev+0x290/0x290 [ 587.806352] [] ? netdev_init+0x1d7/0x210 [ 587.827673] [] ? netdev_exit+0x77/0x77 [ 587.854060] [] ? kfree+0x14f/0x374 [ 587.870495] [] loopback_net_init+0x39/0x150 [ 587.893567] [] ? loopback_xmit+0x341/0x341 [ 587.913903] [] ops_init+0x364/0x3c8 [ 587.933068] [] ? __list_add+0x211/0x249 [ 587.950537] [] ? net_alloc_generic+0x64/0x64 [ 587.969644] [] register_pernet_operations+0x28a/0x3ea [ 587.994102] [] ? unregister_pernet_device+0x73/0x73 [ 588.017660] [] register_pernet_device+0x2f/0x6b [ 588.043340] [] net_dev_init+0x57c/0x61a [ 588.063368] [] ? netdev_boot_setup+0x232/0x232 [ 588.086715] [] ? netdev_boot_setup+0x232/0x232 [ 588.108244] [] do_one_initcall+0x16d/0x258 [ 588.126497] [] ? initcall_blacklisted+0x198/0x198 [ 588.151731] [] ? up_write+0x8c/0xd9 [ 588.169145] [] ? down_write_trylock+0x100/0x100 [ 588.193927] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 588.213936] [] kernel_init_freeable+0x457/0x518 [ 588.236070] [] kernel_init+0x16/0x181 [ 588.251208] [] ret_from_fork+0x1f/0x40 [ 588.269333] [] ? rest_init+0x8f/0x8f [ 588.288412] ================================================================================ [ 588.321256] ================================================================================ [ 588.347257] UBSAN: Undefined behaviour in net/core/dev_addr_lists.c:378:8 [ 588.370702] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 588.404835] which requires 64 byte alignment [ 588.417211] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 588.436590] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 588.468354] 00000000ffffffff 00000000b1a89c60 ffff88005c9df978 ffffffffb26ec5cc [ 588.495966] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 588.521082] ffffffff00000010 ffff88005c9df9a0 ffff88005c9df950 ffffffffb363c3e0 [ 588.547780] Call Trace: [ 588.557908] [] dump_stack+0xd7/0x132 [ 588.573748] [] ? arch_local_irq_restore+0x1b/0x1b [ 588.595205] [] ubsan_epilogue+0x12/0x53 [ 588.616960] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 588.640149] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 588.662087] [] ? __hw_addr_add_ex+0x2cb/0x2dd [ 588.682270] [] dev_addr_init+0xd4/0x15a [ 588.701209] [] ? dev_uc_add+0xa1/0xa1 [ 588.719673] [] alloc_netdev_mqs+0x21b/0xc70 [ 588.737716] [] ? always_on+0x15/0x15 [ 588.755084] [] ? free_netdev+0x290/0x290 [ 588.778498] [] ? netdev_init+0x1d7/0x210 [ 588.798457] [] ? netdev_exit+0x77/0x77 [ 588.817319] [] ? kfree+0x14f/0x374 [ 588.835546] [] loopback_net_init+0x39/0x150 [ 588.856271] [] ? loopback_xmit+0x341/0x341 [ 588.874824] [] ops_init+0x364/0x3c8 [ 588.892106] [] ? __list_add+0x211/0x249 [ 588.908797] [] ? net_alloc_generic+0x64/0x64 [ 588.929778] [] register_pernet_operations+0x28a/0x3ea [ 588.953371] [] ? unregister_pernet_device+0x73/0x73 [ 588.973557] [] register_pernet_device+0x2f/0x6b [ 588.993920] [] net_dev_init+0x57c/0x61a [ 589.013899] [] ? netdev_boot_setup+0x232/0x232 [ 589.033654] [] ? netdev_boot_setup+0x232/0x232 [ 589.054325] [] do_one_initcall+0x16d/0x258 [ 589.070734] [] ? initcall_blacklisted+0x198/0x198 [ 589.096736] [] ? up_write+0x8c/0xd9 [ 589.118290] [] ? down_write_trylock+0x100/0x100 [ 589.138657] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 589.165464] [] kernel_init_freeable+0x457/0x518 [ 589.186573] [] kernel_init+0x16/0x181 [ 589.206274] [] ret_from_fork+0x1f/0x40 [ 589.223294] [] ? rest_init+0x8f/0x8f [ 589.243496] ================================================================================ [ 589.269175] ================================================================================ [ 589.297979] UBSAN: Undefined behaviour in net/core/dev_addr_lists.c:380:17 [ 589.321246] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 589.353655] which requires 64 byte alignment [ 589.368358] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 589.392331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 589.426721] 00000000ffffffff 00000000b1a89c60 ffff88005c9df978 ffffffffb26ec5cc [ 589.450539] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 589.475062] ffffffff00000010 ffff88005c9df9a0 ffff88005c9df950 ffffffffb363c3e0 [ 589.500160] Call Trace: [ 589.506418] [] dump_stack+0xd7/0x132 [ 589.522549] [] ? arch_local_irq_restore+0x1b/0x1b [ 589.541556] [] ubsan_epilogue+0x12/0x53 [ 589.560671] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 589.582891] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 589.606169] [] ? __hw_addr_add_ex+0x2cb/0x2dd [ 589.625403] [] dev_addr_init+0x100/0x15a [ 589.643439] [] ? dev_uc_add+0xa1/0xa1 [ 589.660096] [] alloc_netdev_mqs+0x21b/0xc70 [ 589.681021] [] ? always_on+0x15/0x15 [ 589.697604] [] ? free_netdev+0x290/0x290 [ 589.715607] [] ? netdev_init+0x1d7/0x210 [ 589.730106] [] ? netdev_exit+0x77/0x77 [ 589.748358] [] ? kfree+0x14f/0x374 [ 589.767851] [] loopback_net_init+0x39/0x150 [ 589.786916] [] ? loopback_xmit+0x341/0x341 [ 589.804317] [] ops_init+0x364/0x3c8 [ 589.824156] [] ? __list_add+0x211/0x249 [ 589.842060] [] ? net_alloc_generic+0x64/0x64 [ 589.863680] [] register_pernet_operations+0x28a/0x3ea [ 589.884914] [] ? unregister_pernet_device+0x73/0x73 [ 589.910085] [] register_pernet_device+0x2f/0x6b [ 589.936035] [] net_dev_init+0x57c/0x61a [ 589.954252] [] ? netdev_boot_setup+0x232/0x232 [ 589.973013] [] ? netdev_boot_setup+0x232/0x232 [ 589.993362] [] do_one_initcall+0x16d/0x258 [ 590.012280] [] ? initcall_blacklisted+0x198/0x198 [ 590.035848] [] ? up_write+0x8c/0xd9 [ 590.049706] [] ? down_write_trylock+0x100/0x100 [ 590.068712] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 590.096852] [] kernel_init_freeable+0x457/0x518 [ 590.118096] [] kernel_init+0x16/0x181 [ 590.137149] [] ret_from_fork+0x1f/0x40 [ 590.156989] [] ? rest_init+0x8f/0x8f [ 590.174016] ================================================================================ [ 590.201776] ================================================================================ [ 590.227696] UBSAN: Undefined behaviour in net/core/dev.c:7643:20 [ 590.247491] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 590.278523] which requires 64 byte alignment [ 590.292010] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 590.312432] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 590.348324] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 590.375112] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 590.399011] 0000000000000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 590.425040] Call Trace: [ 590.432120] [] dump_stack+0xd7/0x132 [ 590.449306] [] ? arch_local_irq_restore+0x1b/0x1b [ 590.472381] [] ubsan_epilogue+0x12/0x53 [ 590.489623] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 590.513169] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 590.538841] [] alloc_netdev_mqs+0x27e/0xc70 [ 590.562173] [] ? always_on+0x15/0x15 [ 590.580303] [] ? free_netdev+0x290/0x290 [ 590.599588] [] ? netdev_init+0x1d7/0x210 [ 590.617732] [] ? netdev_exit+0x77/0x77 [ 590.635938] [] ? kfree+0x14f/0x374 [ 590.649133] [] loopback_net_init+0x39/0x150 [ 590.669982] [] ? loopback_xmit+0x341/0x341 [ 590.692455] [] ops_init+0x364/0x3c8 [ 590.711390] [] ? __list_add+0x211/0x249 [ 590.730938] [] ? net_alloc_generic+0x64/0x64 [ 590.749362] [] register_pernet_operations+0x28a/0x3ea [ 590.783196] [] ? unregister_pernet_device+0x73/0x73 [ 590.805479] [] register_pernet_device+0x2f/0x6b [ 590.826860] [] net_dev_init+0x57c/0x61a [ 590.844761] [] ? netdev_boot_setup+0x232/0x232 [ 590.865849] [] ? netdev_boot_setup+0x232/0x232 [ 590.887828] [] do_one_initcall+0x16d/0x258 [ 590.904605] [] ? initcall_blacklisted+0x198/0x198 [ 590.927433] [] ? up_write+0x8c/0xd9 [ 590.943978] [] ? down_write_trylock+0x100/0x100 [ 590.967745] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 590.993511] [] kernel_init_freeable+0x457/0x518 [ 591.015849] [] kernel_init+0x16/0x181 [ 591.032696] [] ret_from_fork+0x1f/0x40 [ 591.049291] [] ? rest_init+0x8f/0x8f [ 591.067534] ================================================================================ [ 591.099304] ================================================================================ [ 591.128795] UBSAN: Undefined behaviour in net/core/dev.c:7644:20 [ 591.147005] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 591.182261] which requires 64 byte alignment [ 591.196017] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 591.217814] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 591.248846] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 591.277596] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 591.302561] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 591.326848] Call Trace: [ 591.337980] [] dump_stack+0xd7/0x132 [ 591.353598] [] ? arch_local_irq_restore+0x1b/0x1b [ 591.375982] [] ubsan_epilogue+0x12/0x53 [ 591.396896] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 591.421626] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 591.444912] [] alloc_netdev_mqs+0x2ad/0xc70 [ 591.464967] [] ? always_on+0x15/0x15 [ 591.485024] [] ? free_netdev+0x290/0x290 [ 591.511940] [] ? netdev_init+0x1d7/0x210 [ 591.535630] [] ? netdev_exit+0x77/0x77 [ 591.555779] [] ? kfree+0x14f/0x374 [ 591.569370] [] loopback_net_init+0x39/0x150 [ 591.589802] [] ? loopback_xmit+0x341/0x341 [ 591.614468] [] ops_init+0x364/0x3c8 [ 591.630061] [] ? __list_add+0x211/0x249 [ 591.646907] [] ? net_alloc_generic+0x64/0x64 [ 591.668160] [] register_pernet_operations+0x28a/0x3ea [ 591.689752] [] ? unregister_pernet_device+0x73/0x73 [ 591.716182] [] register_pernet_device+0x2f/0x6b [ 591.736863] [] net_dev_init+0x57c/0x61a [ 591.755110] [] ? netdev_boot_setup+0x232/0x232 [ 591.781093] [] ? netdev_boot_setup+0x232/0x232 [ 591.797919] [] do_one_initcall+0x16d/0x258 [ 591.815996] [] ? initcall_blacklisted+0x198/0x198 [ 591.835890] [] ? up_write+0x8c/0xd9 [ 591.850007] [] ? down_write_trylock+0x100/0x100 [ 591.870377] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 591.898332] [] kernel_init_freeable+0x457/0x518 [ 591.922226] [] kernel_init+0x16/0x181 [ 591.939640] [] ret_from_fork+0x1f/0x40 [ 591.959897] [] ? rest_init+0x8f/0x8f [ 591.978978] ================================================================================ [ 592.003861] ================================================================================ [ 592.033128] UBSAN: Undefined behaviour in net/core/dev.c:7656:18 [ 592.048908] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 592.081362] which requires 64 byte alignment [ 592.096448] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 592.115206] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 592.146000] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 592.174325] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 592.198266] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 592.227733] Call Trace: [ 592.238474] [] dump_stack+0xd7/0x132 [ 592.256739] [] ? arch_local_irq_restore+0x1b/0x1b [ 592.278511] [] ubsan_epilogue+0x12/0x53 [ 592.297972] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 592.321148] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 592.344391] [] alloc_netdev_mqs+0x601/0xc70 [ 592.361739] [] ? always_on+0x15/0x15 [ 592.379319] [] ? free_netdev+0x290/0x290 [ 592.397274] [] ? netdev_exit+0x77/0x77 [ 592.415223] [] ? kfree+0x14f/0x374 [ 592.433061] [] loopback_net_init+0x39/0x150 [ 592.450344] [] ? loopback_xmit+0x341/0x341 [ 592.469878] [] ops_init+0x364/0x3c8 [ 592.486237] [] ? __list_add+0x211/0x249 [ 592.506175] [] ? net_alloc_generic+0x64/0x64 [ 592.525042] [] register_pernet_operations+0x28a/0x3ea [ 592.549292] [] ? unregister_pernet_device+0x73/0x73 [ 592.571669] [] register_pernet_device+0x2f/0x6b [ 592.593794] [] net_dev_init+0x57c/0x61a [ 592.610450] [] ? netdev_boot_setup+0x232/0x232 [ 592.627416] [] ? netdev_boot_setup+0x232/0x232 [ 592.646974] [] do_one_initcall+0x16d/0x258 [ 592.666876] [] ? initcall_blacklisted+0x198/0x198 [ 592.687342] [] ? up_write+0x8c/0xd9 [ 592.707028] [] ? down_write_trylock+0x100/0x100 [ 592.726109] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 592.749414] [] kernel_init_freeable+0x457/0x518 [ 592.772021] [] kernel_init+0x16/0x181 [ 592.793426] [] ret_from_fork+0x1f/0x40 [ 592.807699] [] ? rest_init+0x8f/0x8f [ 592.827426] ================================================================================ [ 592.853826] ================================================================================ [ 592.881950] UBSAN: Undefined behaviour in drivers/net/loopback.c:165:12 [ 592.905015] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 592.932454] which requires 64 byte alignment [ 592.944782] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 592.965846] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 592.999197] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa00 ffffffffb26ec5cc [ 593.023654] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 593.048066] fffffbff00000010 ffff88005c9dfa28 ffff88005c9df9d8 ffffffffb363c3e0 [ 593.077199] Call Trace: [ 593.085528] [] dump_stack+0xd7/0x132 [ 593.100549] [] ? arch_local_irq_restore+0x1b/0x1b [ 593.124823] [] ubsan_epilogue+0x12/0x53 [ 593.144167] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 593.166241] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 593.190233] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 593.215381] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 593.239430] [] loopback_setup+0x2f/0x2c7 [ 593.260256] [] alloc_netdev_mqs+0x626/0xc70 [ 593.278995] [] ? always_on+0x15/0x15 [ 593.297155] [] ? free_netdev+0x290/0x290 [ 593.318080] [] ? netdev_exit+0x77/0x77 [ 593.338221] [] ? kfree+0x14f/0x374 [ 593.359388] [] loopback_net_init+0x39/0x150 [ 593.380968] [] ? loopback_xmit+0x341/0x341 [ 593.405339] [] ops_init+0x364/0x3c8 [ 593.419840] [] ? __list_add+0x211/0x249 [ 593.441684] [] ? net_alloc_generic+0x64/0x64 [ 593.463715] [] register_pernet_operations+0x28a/0x3ea [ 593.485187] [] ? unregister_pernet_device+0x73/0x73 [ 593.508207] [] register_pernet_device+0x2f/0x6b [ 593.527180] [] net_dev_init+0x57c/0x61a [ 593.548879] [] ? netdev_boot_setup+0x232/0x232 [ 593.569241] [] ? netdev_boot_setup+0x232/0x232 [ 593.587221] [] do_one_initcall+0x16d/0x258 [ 593.607646] [] ? initcall_blacklisted+0x198/0x198 [ 593.630579] [] ? up_write+0x8c/0xd9 [ 593.645515] [] ? down_write_trylock+0x100/0x100 [ 593.664669] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 593.690323] [] kernel_init_freeable+0x457/0x518 [ 593.709950] [] kernel_init+0x16/0x181 [ 593.727739] [] ret_from_fork+0x1f/0x40 [ 593.745290] [] ? rest_init+0x8f/0x8f [ 593.763749] ================================================================================ [ 593.792401] ================================================================================ [ 593.820158] UBSAN: Undefined behaviour in drivers/net/loopback.c:166:23 [ 593.842113] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 593.869964] which requires 64 byte alignment [ 593.885081] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 593.903893] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 593.935821] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa00 ffffffffb26ec5cc [ 593.957336] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 593.983922] ffff880000000010 ffff88005c9dfa28 ffff88005c9df9d8 ffffffffb363c3e0 [ 594.012955] Call Trace: [ 594.021170] [] dump_stack+0xd7/0x132 [ 594.039266] [] ? arch_local_irq_restore+0x1b/0x1b [ 594.058292] [] ubsan_epilogue+0x12/0x53 [ 594.074865] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 594.097700] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 594.122655] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 594.145389] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 594.168543] [] loopback_setup+0x5e/0x2c7 [ 594.189134] [] alloc_netdev_mqs+0x626/0xc70 [ 594.207403] [] ? always_on+0x15/0x15 [ 594.223132] [] ? free_netdev+0x290/0x290 [ 594.241799] [] ? netdev_exit+0x77/0x77 [ 594.261210] [] ? kfree+0x14f/0x374 [ 594.278472] [] loopback_net_init+0x39/0x150 [ 594.297491] [] ? loopback_xmit+0x341/0x341 [ 594.315827] [] ops_init+0x364/0x3c8 [ 594.333543] [] ? __list_add+0x211/0x249 [ 594.352187] [] ? net_alloc_generic+0x64/0x64 [ 594.373296] [] register_pernet_operations+0x28a/0x3ea [ 594.395710] [] ? unregister_pernet_device+0x73/0x73 [ 594.416759] [] register_pernet_device+0x2f/0x6b [ 594.436758] [] net_dev_init+0x57c/0x61a [ 594.457445] [] ? netdev_boot_setup+0x232/0x232 [ 594.477872] [] ? netdev_boot_setup+0x232/0x232 [ 594.502082] [] do_one_initcall+0x16d/0x258 [ 594.518486] [] ? initcall_blacklisted+0x198/0x198 [ 594.541312] [] ? up_write+0x8c/0xd9 [ 594.560511] [] ? down_write_trylock+0x100/0x100 [ 594.581985] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 594.608281] [] kernel_init_freeable+0x457/0x518 [ 594.632913] [] kernel_init+0x16/0x181 [ 594.649035] [] ret_from_fork+0x1f/0x40 [ 594.667901] [] ? rest_init+0x8f/0x8f [ 594.692730] ================================================================================ [ 594.736919] ================================================================================ [ 594.786373] UBSAN: Undefined behaviour in drivers/net/loopback.c:167:17 [ 594.824804] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 594.892431] which requires 64 byte alignment [ 594.918729] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 594.959676] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 595.015780] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa00 ffffffffb26ec5cc [ 595.044106] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 595.080341] ffff880000000010 ffff88005c9dfa28 ffff88005c9df9d8 ffffffffb363c3e0 [ 595.107520] Call Trace: [ 595.117503] [] dump_stack+0xd7/0x132 [ 595.135783] [] ? arch_local_irq_restore+0x1b/0x1b [ 595.157289] [] ubsan_epilogue+0x12/0x53 [ 595.173998] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 595.197992] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 595.221541] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 595.247346] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 595.272131] [] loopback_setup+0x8c/0x2c7 [ 595.291515] [] alloc_netdev_mqs+0x626/0xc70 [ 595.311228] [] ? always_on+0x15/0x15 [ 595.328693] [] ? free_netdev+0x290/0x290 [ 595.350959] [] ? netdev_exit+0x77/0x77 [ 595.369620] [] ? kfree+0x14f/0x374 [ 595.388459] [] loopback_net_init+0x39/0x150 [ 595.410492] [] ? loopback_xmit+0x341/0x341 [ 595.436793] [] ops_init+0x364/0x3c8 [ 595.456783] [] ? __list_add+0x211/0x249 [ 595.473048] [] ? net_alloc_generic+0x64/0x64 [ 595.502601] [] register_pernet_operations+0x28a/0x3ea [ 595.523968] [] ? unregister_pernet_device+0x73/0x73 [ 595.544329] [] register_pernet_device+0x2f/0x6b [ 595.567996] [] net_dev_init+0x57c/0x61a [ 595.588270] [] ? netdev_boot_setup+0x232/0x232 [ 595.609445] [] ? netdev_boot_setup+0x232/0x232 [ 595.632667] [] do_one_initcall+0x16d/0x258 [ 595.656774] [] ? initcall_blacklisted+0x198/0x198 [ 595.674875] [] ? up_write+0x8c/0xd9 [ 595.691391] [] ? down_write_trylock+0x100/0x100 [ 595.712286] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 595.740556] [] kernel_init_freeable+0x457/0x518 [ 595.762768] [] kernel_init+0x16/0x181 [ 595.782437] [] ret_from_fork+0x1f/0x40 [ 595.801168] [] ? rest_init+0x8f/0x8f [ 595.820658] ================================================================================ [ 595.847545] ================================================================================ [ 595.875481] UBSAN: Undefined behaviour in drivers/net/loopback.c:168:13 [ 595.897109] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 595.926426] which requires 64 byte alignment [ 595.938884] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 595.958546] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 595.990333] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa00 ffffffffb26ec5cc [ 596.017962] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 596.043749] ffff880000000010 ffff88005c9dfa28 ffff88005c9df9d8 ffffffffb363c3e0 [ 596.070740] Call Trace: [ 596.083672] [] dump_stack+0xd7/0x132 [ 596.105773] [] ? arch_local_irq_restore+0x1b/0x1b [ 596.130508] [] ubsan_epilogue+0x12/0x53 [ 596.150066] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 596.182673] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 596.207846] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 596.236766] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 596.263014] [] loopback_setup+0xb8/0x2c7 [ 596.286567] [] alloc_netdev_mqs+0x626/0xc70 [ 596.303661] [] ? always_on+0x15/0x15 [ 596.322323] [] ? free_netdev+0x290/0x290 [ 596.343331] [] ? netdev_exit+0x77/0x77 [ 596.363953] [] ? kfree+0x14f/0x374 [ 596.382693] [] loopback_net_init+0x39/0x150 [ 596.402154] [] ? loopback_xmit+0x341/0x341 [ 596.419432] [] ops_init+0x364/0x3c8 [ 596.439918] [] ? __list_add+0x211/0x249 [ 596.458903] [] ? net_alloc_generic+0x64/0x64 [ 596.477589] [] register_pernet_operations+0x28a/0x3ea [ 596.500733] [] ? unregister_pernet_device+0x73/0x73 [ 596.521873] [] register_pernet_device+0x2f/0x6b [ 596.545199] [] net_dev_init+0x57c/0x61a [ 596.563333] [] ? netdev_boot_setup+0x232/0x232 [ 596.584501] [] ? netdev_boot_setup+0x232/0x232 [ 596.606755] [] do_one_initcall+0x16d/0x258 [ 596.624683] [] ? initcall_blacklisted+0x198/0x198 [ 596.646641] [] ? up_write+0x8c/0xd9 [ 596.663551] [] ? down_write_trylock+0x100/0x100 [ 596.685257] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 596.709597] [] kernel_init_freeable+0x457/0x518 [ 596.731297] [] kernel_init+0x16/0x181 [ 596.747106] [] ret_from_fork+0x1f/0x40 [ 596.765652] [] ? rest_init+0x8f/0x8f [ 596.782517] ================================================================================ [ 596.814416] ================================================================================ [ 596.842452] UBSAN: Undefined behaviour in drivers/net/loopback.c:169:14 [ 596.865002] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 596.893129] which requires 64 byte alignment [ 596.905619] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 596.927382] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 596.958750] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa00 ffffffffb26ec5cc [ 596.982960] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 597.006980] ffff880000000010 ffff88005c9dfa28 ffff88005c9df9d8 ffffffffb363c3e0 [ 597.035486] Call Trace: [ 597.042500] [] dump_stack+0xd7/0x132 [ 597.058791] [] ? arch_local_irq_restore+0x1b/0x1b [ 597.083796] [] ubsan_epilogue+0x12/0x53 [ 597.102642] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 597.127139] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 597.149534] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 597.174831] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 597.200031] [] loopback_setup+0xe6/0x2c7 [ 597.219352] [] alloc_netdev_mqs+0x626/0xc70 [ 597.239181] [] ? always_on+0x15/0x15 [ 597.255654] [] ? free_netdev+0x290/0x290 [ 597.271847] [] ? netdev_exit+0x77/0x77 [ 597.290367] [] ? kfree+0x14f/0x374 [ 597.306409] [] loopback_net_init+0x39/0x150 [ 597.326229] [] ? loopback_xmit+0x341/0x341 [ 597.345791] [] ops_init+0x364/0x3c8 [ 597.364832] [] ? __list_add+0x211/0x249 [ 597.385453] [] ? net_alloc_generic+0x64/0x64 [ 597.404743] [] register_pernet_operations+0x28a/0x3ea [ 597.429210] [] ? unregister_pernet_device+0x73/0x73 [ 597.455070] [] register_pernet_device+0x2f/0x6b [ 597.473691] [] net_dev_init+0x57c/0x61a [ 597.489891] [] ? netdev_boot_setup+0x232/0x232 [ 597.510994] [] ? netdev_boot_setup+0x232/0x232 [ 597.531999] [] do_one_initcall+0x16d/0x258 [ 597.552538] [] ? initcall_blacklisted+0x198/0x198 [ 597.569413] [] ? up_write+0x8c/0xd9 [ 597.586324] [] ? down_write_trylock+0x100/0x100 [ 597.609911] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 597.633398] [] kernel_init_freeable+0x457/0x518 [ 597.658678] [] kernel_init+0x16/0x181 [ 597.677782] [] ret_from_fork+0x1f/0x40 [ 597.694505] [] ? rest_init+0x8f/0x8f [ 597.711527] ================================================================================ [ 597.743450] ================================================================================ [ 597.773025] UBSAN: Undefined behaviour in drivers/net/loopback.c:170:19 [ 597.796864] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 597.827147] which requires 64 byte alignment [ 597.842490] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 597.866188] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 597.898010] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa00 ffffffffb26ec5cc [ 597.922921] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 597.950452] ffff880000000010 ffff88005c9dfa28 ffff88005c9df9d8 ffffffffb363c3e0 [ 597.976843] Call Trace: [ 597.983626] [] dump_stack+0xd7/0x132 [ 598.001474] [] ? arch_local_irq_restore+0x1b/0x1b [ 598.023756] [] ubsan_epilogue+0x12/0x53 [ 598.044323] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 598.068111] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 598.094130] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 598.119238] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 598.141872] [] loopback_setup+0x115/0x2c7 [ 598.161253] [] alloc_netdev_mqs+0x626/0xc70 [ 598.184093] [] ? always_on+0x15/0x15 [ 598.201477] [] ? free_netdev+0x290/0x290 [ 598.222028] [] ? netdev_exit+0x77/0x77 [ 598.239523] [] ? kfree+0x14f/0x374 [ 598.254615] [] loopback_net_init+0x39/0x150 [ 598.272921] [] ? loopback_xmit+0x341/0x341 [ 598.294316] [] ops_init+0x364/0x3c8 [ 598.310374] [] ? __list_add+0x211/0x249 [ 598.327932] [] ? net_alloc_generic+0x64/0x64 [ 598.349371] [] register_pernet_operations+0x28a/0x3ea [ 598.375017] [] ? unregister_pernet_device+0x73/0x73 [ 598.400584] [] register_pernet_device+0x2f/0x6b [ 598.422429] [] net_dev_init+0x57c/0x61a [ 598.438060] [] ? netdev_boot_setup+0x232/0x232 [ 598.457268] [] ? netdev_boot_setup+0x232/0x232 [ 598.475741] [] do_one_initcall+0x16d/0x258 [ 598.493238] [] ? initcall_blacklisted+0x198/0x198 [ 598.514795] [] ? up_write+0x8c/0xd9 [ 598.532601] [] ? down_write_trylock+0x100/0x100 [ 598.553914] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 598.575820] [] kernel_init_freeable+0x457/0x518 [ 598.596778] [] kernel_init+0x16/0x181 [ 598.615088] [] ret_from_fork+0x1f/0x40 [ 598.636506] [] ? rest_init+0x8f/0x8f [ 598.655234] ================================================================================ [ 598.682938] ================================================================================ [ 598.713248] UBSAN: Undefined behaviour in drivers/net/loopback.c:170:19 [ 598.738296] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 598.766800] which requires 64 byte alignment [ 598.782288] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 598.801351] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 598.833524] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa00 ffffffffb26ec5cc [ 598.857179] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 598.878761] ffff880000000010 ffff88005c9dfa28 ffff88005c9df9d8 ffffffffb363c3e0 [ 598.904140] Call Trace: [ 598.911005] [] dump_stack+0xd7/0x132 [ 598.926826] [] ? arch_local_irq_restore+0x1b/0x1b [ 598.949666] [] ubsan_epilogue+0x12/0x53 [ 598.966206] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 598.989680] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 599.014531] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 599.038617] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 599.064333] [] loopback_setup+0x14b/0x2c7 [ 599.083387] [] alloc_netdev_mqs+0x626/0xc70 [ 599.103975] [] ? always_on+0x15/0x15 [ 599.122889] [] ? free_netdev+0x290/0x290 [ 599.142513] [] ? netdev_exit+0x77/0x77 [ 599.166598] [] ? kfree+0x14f/0x374 [ 599.185454] [] loopback_net_init+0x39/0x150 [ 599.206820] [] ? loopback_xmit+0x341/0x341 [ 599.229437] [] ops_init+0x364/0x3c8 [ 599.246193] [] ? __list_add+0x211/0x249 [ 599.267819] [] ? net_alloc_generic+0x64/0x64 [ 599.291181] [] register_pernet_operations+0x28a/0x3ea [ 599.316268] [] ? unregister_pernet_device+0x73/0x73 [ 599.338708] [] register_pernet_device+0x2f/0x6b [ 599.359042] [] net_dev_init+0x57c/0x61a [ 599.377548] [] ? netdev_boot_setup+0x232/0x232 [ 599.394983] [] ? netdev_boot_setup+0x232/0x232 [ 599.413127] [] do_one_initcall+0x16d/0x258 [ 599.430004] [] ? initcall_blacklisted+0x198/0x198 [ 599.452777] [] ? up_write+0x8c/0xd9 [ 599.467834] [] ? down_write_trylock+0x100/0x100 [ 599.490153] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 599.516169] [] kernel_init_freeable+0x457/0x518 [ 599.539726] [] kernel_init+0x16/0x181 [ 599.558190] [] ret_from_fork+0x1f/0x40 [ 599.577243] [] ? rest_init+0x8f/0x8f [ 599.593893] ================================================================================ [ 599.624570] ================================================================================ [ 599.659475] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:4248:18 [ 599.683377] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 599.719467] which requires 64 byte alignment [ 599.737857] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 599.767281] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 599.813411] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa00 ffffffffb26ec5cc [ 599.853654] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 599.887713] ffff880000000010 ffff88005c9dfa28 ffff88005c9df9d8 ffffffffb363c3e0 [ 599.917433] Call Trace: [ 599.923956] [] dump_stack+0xd7/0x132 [ 599.940877] [] ? arch_local_irq_restore+0x1b/0x1b [ 599.964431] [] ubsan_epilogue+0x12/0x53 [ 599.984658] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 600.008025] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 600.031961] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 600.057141] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 600.080161] [] loopback_setup+0x16b/0x2c7 [ 600.100224] [] alloc_netdev_mqs+0x626/0xc70 [ 600.119475] [] ? always_on+0x15/0x15 [ 600.139651] [] ? free_netdev+0x290/0x290 [ 600.161149] [] ? netdev_exit+0x77/0x77 [ 600.183164] [] ? kfree+0x14f/0x374 [ 600.201625] [] loopback_net_init+0x39/0x150 [ 600.223190] [] ? loopback_xmit+0x341/0x341 [ 600.240922] [] ops_init+0x364/0x3c8 [ 600.259412] [] ? __list_add+0x211/0x249 [ 600.278962] [] ? net_alloc_generic+0x64/0x64 [ 600.301273] [] register_pernet_operations+0x28a/0x3ea [ 600.323620] [] ? unregister_pernet_device+0x73/0x73 [ 600.345876] [] register_pernet_device+0x2f/0x6b [ 600.365355] [] net_dev_init+0x57c/0x61a [ 600.383661] [] ? netdev_boot_setup+0x232/0x232 [ 600.404400] [] ? netdev_boot_setup+0x232/0x232 [ 600.424049] [] do_one_initcall+0x16d/0x258 [ 600.443061] [] ? initcall_blacklisted+0x198/0x198 [ 600.466823] [] ? up_write+0x8c/0xd9 [ 600.487230] [] ? down_write_trylock+0x100/0x100 [ 600.510095] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 600.539356] [] kernel_init_freeable+0x457/0x518 [ 600.560973] [] kernel_init+0x16/0x181 [ 600.583597] [] ret_from_fork+0x1f/0x40 [ 600.605138] [] ? rest_init+0x8f/0x8f [ 600.625596] ================================================================================ [ 600.656796] ================================================================================ [ 600.688522] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:4248:18 [ 600.721468] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 600.756213] which requires 64 byte alignment [ 600.768635] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 600.789102] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 600.830931] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa00 ffffffffb26ec5cc [ 600.859451] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 600.887403] ffff880000000010 ffff88005c9dfa28 ffff88005c9df9d8 ffffffffb363c3e0 [ 600.917678] Call Trace: [ 600.927045] [] dump_stack+0xd7/0x132 [ 600.947408] [] ? arch_local_irq_restore+0x1b/0x1b [ 600.970470] [] ubsan_epilogue+0x12/0x53 [ 600.991302] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 601.018543] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 601.042361] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 601.068781] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 601.098638] [] loopback_setup+0x192/0x2c7 [ 601.118684] [] alloc_netdev_mqs+0x626/0xc70 [ 601.139454] [] ? always_on+0x15/0x15 [ 601.154765] [] ? free_netdev+0x290/0x290 [ 601.176367] [] ? netdev_exit+0x77/0x77 [ 601.194522] [] ? kfree+0x14f/0x374 [ 601.209922] [] loopback_net_init+0x39/0x150 [ 601.227902] [] ? loopback_xmit+0x341/0x341 [ 601.244928] [] ops_init+0x364/0x3c8 [ 601.261157] [] ? __list_add+0x211/0x249 [ 601.281487] [] ? net_alloc_generic+0x64/0x64 [ 601.297920] [] register_pernet_operations+0x28a/0x3ea [ 601.317950] [] ? unregister_pernet_device+0x73/0x73 [ 601.339055] [] register_pernet_device+0x2f/0x6b [ 601.358880] [] net_dev_init+0x57c/0x61a [ 601.380533] [] ? netdev_boot_setup+0x232/0x232 [ 601.405300] [] ? netdev_boot_setup+0x232/0x232 [ 601.426637] [] do_one_initcall+0x16d/0x258 [ 601.445539] [] ? initcall_blacklisted+0x198/0x198 [ 601.468815] [] ? up_write+0x8c/0xd9 [ 601.487293] [] ? down_write_trylock+0x100/0x100 [ 601.507027] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 601.527281] [] kernel_init_freeable+0x457/0x518 [ 601.547559] [] kernel_init+0x16/0x181 [ 601.573758] [] ret_from_fork+0x1f/0x40 [ 601.592643] [] ? rest_init+0x8f/0x8f [ 601.617789] ================================================================================ [ 601.684271] ================================================================================ [ 601.804157] UBSAN: Undefined behaviour in drivers/net/loopback.c:172:19 [ 601.839866] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 601.874801] which requires 64 byte alignment [ 601.892477] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 601.918774] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 601.958833] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa00 ffffffffb26ec5cc [ 601.991230] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 602.025292] ffff880000000010 ffff88005c9dfa28 ffff88005c9df9d8 ffffffffb363c3e0 [ 602.059353] Call Trace: [ 602.067448] [] dump_stack+0xd7/0x132 [ 602.098282] [] ? arch_local_irq_restore+0x1b/0x1b [ 602.125329] [] ubsan_epilogue+0x12/0x53 [ 602.147578] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 602.179118] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 602.204893] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 602.229170] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 602.253862] [] loopback_setup+0x1b2/0x2c7 [ 602.269763] [] alloc_netdev_mqs+0x626/0xc70 [ 602.293643] [] ? always_on+0x15/0x15 [ 602.313947] [] ? free_netdev+0x290/0x290 [ 602.334128] [] ? netdev_exit+0x77/0x77 [ 602.355843] [] ? kfree+0x14f/0x374 [ 602.375565] [] loopback_net_init+0x39/0x150 [ 602.402140] [] ? loopback_xmit+0x341/0x341 [ 602.425885] [] ops_init+0x364/0x3c8 [ 602.448016] [] ? __list_add+0x211/0x249 [ 602.474647] [] ? net_alloc_generic+0x64/0x64 [ 602.501317] [] register_pernet_operations+0x28a/0x3ea [ 602.528912] [] ? unregister_pernet_device+0x73/0x73 [ 602.556121] [] register_pernet_device+0x2f/0x6b [ 602.579669] [] net_dev_init+0x57c/0x61a [ 602.601978] [] ? netdev_boot_setup+0x232/0x232 [ 602.633008] [] ? netdev_boot_setup+0x232/0x232 [ 602.657335] [] do_one_initcall+0x16d/0x258 [ 602.680733] [] ? initcall_blacklisted+0x198/0x198 [ 602.705919] [] ? up_write+0x8c/0xd9 [ 602.727908] [] ? down_write_trylock+0x100/0x100 [ 602.748435] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 602.778982] [] kernel_init_freeable+0x457/0x518 [ 602.802798] [] kernel_init+0x16/0x181 [ 602.821312] [] ret_from_fork+0x1f/0x40 [ 602.843208] [] ? rest_init+0x8f/0x8f [ 602.864708] ================================================================================ [ 602.900314] ================================================================================ [ 602.936939] UBSAN: Undefined behaviour in drivers/net/loopback.c:173:18 [ 602.961959] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 603.000858] which requires 64 byte alignment [ 603.017869] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 603.041520] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 603.080927] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa00 ffffffffb26ec5cc [ 603.105104] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 603.128586] ffff880000000010 ffff88005c9dfa28 ffff88005c9df9d8 ffffffffb363c3e0 [ 603.156608] Call Trace: [ 603.162839] [] dump_stack+0xd7/0x132 [ 603.181522] [] ? arch_local_irq_restore+0x1b/0x1b [ 603.204185] [] ubsan_epilogue+0x12/0x53 [ 603.225980] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 603.248022] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 603.281612] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 603.313113] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 603.339010] [] loopback_setup+0x1e3/0x2c7 [ 603.359913] [] alloc_netdev_mqs+0x626/0xc70 [ 603.383143] [] ? always_on+0x15/0x15 [ 603.401521] [] ? free_netdev+0x290/0x290 [ 603.421156] [] ? netdev_exit+0x77/0x77 [ 603.442319] [] ? kfree+0x14f/0x374 [ 603.461343] [] loopback_net_init+0x39/0x150 [ 603.485128] [] ? loopback_xmit+0x341/0x341 [ 603.504932] [] ops_init+0x364/0x3c8 [ 603.523844] [] ? __list_add+0x211/0x249 [ 603.544910] [] ? net_alloc_generic+0x64/0x64 [ 603.565001] [] register_pernet_operations+0x28a/0x3ea [ 603.593751] [] ? unregister_pernet_device+0x73/0x73 [ 603.622587] [] register_pernet_device+0x2f/0x6b [ 603.655087] [] net_dev_init+0x57c/0x61a [ 603.700705] [] ? netdev_boot_setup+0x232/0x232 [ 603.736346] [] ? netdev_boot_setup+0x232/0x232 [ 603.767128] [] do_one_initcall+0x16d/0x258 [ 603.793656] [] ? initcall_blacklisted+0x198/0x198 [ 603.833154] [] ? up_write+0x8c/0xd9 [ 603.856960] [] ? down_write_trylock+0x100/0x100 [ 603.888088] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 603.917036] [] kernel_init_freeable+0x457/0x518 [ 603.947802] [] kernel_init+0x16/0x181 [ 603.973569] [] ret_from_fork+0x1f/0x40 [ 603.997128] [] ? rest_init+0x8f/0x8f [ 604.020006] ================================================================================ [ 604.053245] ================================================================================ [ 604.085486] UBSAN: Undefined behaviour in drivers/net/loopback.c:183:19 [ 604.109386] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 604.142528] which requires 64 byte alignment [ 604.158757] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 604.179346] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 604.215780] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa00 ffffffffb26ec5cc [ 604.248218] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 604.277584] ffff880000000010 ffff88005c9dfa28 ffff88005c9df9d8 ffffffffb363c3e0 [ 604.305293] Call Trace: [ 604.313325] [] dump_stack+0xd7/0x132 [ 604.336559] [] ? arch_local_irq_restore+0x1b/0x1b [ 604.359446] [] ubsan_epilogue+0x12/0x53 [ 604.379771] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 604.403873] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 604.431185] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 604.458214] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 604.482910] [] loopback_setup+0x219/0x2c7 [ 604.507051] [] alloc_netdev_mqs+0x626/0xc70 [ 604.530114] [] ? always_on+0x15/0x15 [ 604.548414] [] ? free_netdev+0x290/0x290 [ 604.569031] [] ? netdev_exit+0x77/0x77 [ 604.588486] [] ? kfree+0x14f/0x374 [ 604.607636] [] loopback_net_init+0x39/0x150 [ 604.629492] [] ? loopback_xmit+0x341/0x341 [ 604.651315] [] ops_init+0x364/0x3c8 [ 604.670045] [] ? __list_add+0x211/0x249 [ 604.689573] [] ? net_alloc_generic+0x64/0x64 [ 604.714608] [] register_pernet_operations+0x28a/0x3ea [ 604.740170] [] ? unregister_pernet_device+0x73/0x73 [ 604.764330] [] register_pernet_device+0x2f/0x6b [ 604.786026] [] net_dev_init+0x57c/0x61a [ 604.805854] [] ? netdev_boot_setup+0x232/0x232 [ 604.826544] [] ? netdev_boot_setup+0x232/0x232 [ 604.844573] [] do_one_initcall+0x16d/0x258 [ 604.864339] [] ? initcall_blacklisted+0x198/0x198 [ 604.888065] [] ? up_write+0x8c/0xd9 [ 604.907776] [] ? down_write_trylock+0x100/0x100 [ 604.931097] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 604.958914] [] kernel_init_freeable+0x457/0x518 [ 604.983557] [] kernel_init+0x16/0x181 [ 605.005528] [] ret_from_fork+0x1f/0x40 [ 605.026927] [] ? rest_init+0x8f/0x8f [ 605.044128] ================================================================================ [ 605.075469] ================================================================================ [ 605.106605] UBSAN: Undefined behaviour in drivers/net/loopback.c:184:19 [ 605.129905] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 605.163649] which requires 64 byte alignment [ 605.181445] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 605.205763] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 605.247035] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa00 ffffffffb26ec5cc [ 605.277106] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 605.303809] ffff880000000010 ffff88005c9dfa28 ffff88005c9df9d8 ffffffffb363c3e0 [ 605.331608] Call Trace: [ 605.342224] [] dump_stack+0xd7/0x132 [ 605.360304] [] ? arch_local_irq_restore+0x1b/0x1b [ 605.384232] [] ubsan_epilogue+0x12/0x53 [ 605.403860] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 605.429546] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 605.457007] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 605.481316] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 605.509376] [] loopback_setup+0x249/0x2c7 [ 605.531646] [] alloc_netdev_mqs+0x626/0xc70 [ 605.556405] [] ? always_on+0x15/0x15 [ 605.574512] [] ? free_netdev+0x290/0x290 [ 605.592070] [] ? netdev_exit+0x77/0x77 [ 605.609157] [] ? kfree+0x14f/0x374 [ 605.627409] [] loopback_net_init+0x39/0x150 [ 605.648505] [] ? loopback_xmit+0x341/0x341 [ 605.671661] [] ops_init+0x364/0x3c8 [ 605.685991] [] ? __list_add+0x211/0x249 [ 605.703477] [] ? net_alloc_generic+0x64/0x64 [ 605.723718] [] register_pernet_operations+0x28a/0x3ea [ 605.742544] [] ? unregister_pernet_device+0x73/0x73 [ 605.767801] [] register_pernet_device+0x2f/0x6b [ 605.788881] [] net_dev_init+0x57c/0x61a [ 605.809305] [] ? netdev_boot_setup+0x232/0x232 [ 605.831977] [] ? netdev_boot_setup+0x232/0x232 [ 605.855048] [] do_one_initcall+0x16d/0x258 [ 605.882485] [] ? initcall_blacklisted+0x198/0x198 [ 605.923963] [] ? up_write+0x8c/0xd9 [ 605.956593] [] ? down_write_trylock+0x100/0x100 [ 605.986835] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 606.014715] [] kernel_init_freeable+0x457/0x518 [ 606.036953] [] kernel_init+0x16/0x181 [ 606.055716] [] ret_from_fork+0x1f/0x40 [ 606.076889] [] ? rest_init+0x8f/0x8f [ 606.096314] ================================================================================ [ 606.122384] ================================================================================ [ 606.155137] UBSAN: Undefined behaviour in drivers/net/loopback.c:185:19 [ 606.186183] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 606.219413] which requires 64 byte alignment [ 606.236788] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 606.259574] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 606.295101] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa00 ffffffffb26ec5cc [ 606.322774] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 606.353003] ffff880000000010 ffff88005c9dfa28 ffff88005c9df9d8 ffffffffb363c3e0 [ 606.386063] Call Trace: [ 606.400351] [] dump_stack+0xd7/0x132 [ 606.419713] [] ? arch_local_irq_restore+0x1b/0x1b [ 606.442954] [] ubsan_epilogue+0x12/0x53 [ 606.466462] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 606.496795] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 606.524146] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 606.548434] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 606.580048] [] loopback_setup+0x279/0x2c7 [ 606.602999] [] alloc_netdev_mqs+0x626/0xc70 [ 606.624100] [] ? always_on+0x15/0x15 [ 606.645907] [] ? free_netdev+0x290/0x290 [ 606.672745] [] ? netdev_exit+0x77/0x77 [ 606.690166] [] ? kfree+0x14f/0x374 [ 606.708582] [] loopback_net_init+0x39/0x150 [ 606.731605] [] ? loopback_xmit+0x341/0x341 [ 606.756345] [] ops_init+0x364/0x3c8 [ 606.776935] [] ? __list_add+0x211/0x249 [ 606.796664] [] ? net_alloc_generic+0x64/0x64 [ 606.818100] [] register_pernet_operations+0x28a/0x3ea [ 606.842761] [] ? unregister_pernet_device+0x73/0x73 [ 606.865520] [] register_pernet_device+0x2f/0x6b [ 606.888393] [] net_dev_init+0x57c/0x61a [ 606.907200] [] ? netdev_boot_setup+0x232/0x232 [ 606.930687] [] ? netdev_boot_setup+0x232/0x232 [ 606.952957] [] do_one_initcall+0x16d/0x258 [ 606.974820] [] ? initcall_blacklisted+0x198/0x198 [ 607.003612] [] ? up_write+0x8c/0xd9 [ 607.026216] [] ? down_write_trylock+0x100/0x100 [ 607.051173] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 607.079737] [] kernel_init_freeable+0x457/0x518 [ 607.101228] [] kernel_init+0x16/0x181 [ 607.118822] [] ret_from_fork+0x1f/0x40 [ 607.136926] [] ? rest_init+0x8f/0x8f [ 607.156840] ================================================================================ [ 607.188242] ================================================================================ [ 607.223814] UBSAN: Undefined behaviour in drivers/net/loopback.c:186:19 [ 607.249461] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 607.279129] which requires 64 byte alignment [ 607.293329] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 607.316818] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 607.355466] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa00 ffffffffb26ec5cc [ 607.382574] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 607.414883] ffff880000000010 ffff88005c9dfa28 ffff88005c9df9d8 ffffffffb363c3e0 [ 607.458775] Call Trace: [ 607.469506] [] dump_stack+0xd7/0x132 [ 607.492542] [] ? arch_local_irq_restore+0x1b/0x1b [ 607.518128] [] ubsan_epilogue+0x12/0x53 [ 607.539956] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 607.563222] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 607.592609] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 607.618525] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 607.649626] [] loopback_setup+0x2a9/0x2c7 [ 607.674506] [] alloc_netdev_mqs+0x626/0xc70 [ 607.706542] [] ? always_on+0x15/0x15 [ 607.737129] [] ? free_netdev+0x290/0x290 [ 607.762608] [] ? netdev_exit+0x77/0x77 [ 607.790619] [] ? kfree+0x14f/0x374 [ 607.816980] [] loopback_net_init+0x39/0x150 [ 607.841054] [] ? loopback_xmit+0x341/0x341 [ 607.862142] [] ops_init+0x364/0x3c8 [ 607.879314] [] ? __list_add+0x211/0x249 [ 607.896707] [] ? net_alloc_generic+0x64/0x64 [ 607.918077] [] register_pernet_operations+0x28a/0x3ea [ 607.943090] [] ? unregister_pernet_device+0x73/0x73 [ 607.965564] [] register_pernet_device+0x2f/0x6b [ 607.988943] [] net_dev_init+0x57c/0x61a [ 608.015149] [] ? netdev_boot_setup+0x232/0x232 [ 608.041118] [] ? netdev_boot_setup+0x232/0x232 [ 608.066871] [] do_one_initcall+0x16d/0x258 [ 608.092124] [] ? initcall_blacklisted+0x198/0x198 [ 608.122423] [] ? up_write+0x8c/0xd9 [ 608.143229] [] ? down_write_trylock+0x100/0x100 [ 608.166751] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 608.192799] [] kernel_init_freeable+0x457/0x518 [ 608.239479] [] kernel_init+0x16/0x181 [ 608.289692] [] ret_from_fork+0x1f/0x40 [ 608.339892] [] ? rest_init+0x8f/0x8f [ 608.361187] ================================================================================ [ 608.390041] ================================================================================ [ 608.427303] UBSAN: Undefined behaviour in net/core/dev.c:7659:10 [ 608.453898] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 608.493458] which requires 64 byte alignment [ 608.512897] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 608.541511] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 608.602580] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 608.639923] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 608.673567] 0000000000000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 608.706699] Call Trace: [ 608.721591] [] dump_stack+0xd7/0x132 [ 608.746793] [] ? arch_local_irq_restore+0x1b/0x1b [ 608.778368] [] ubsan_epilogue+0x12/0x53 [ 608.803602] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 608.830894] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 608.861202] [] alloc_netdev_mqs+0x63f/0xc70 [ 608.885052] [] ? always_on+0x15/0x15 [ 608.904840] [] ? free_netdev+0x290/0x290 [ 608.926926] [] ? netdev_exit+0x77/0x77 [ 608.944447] [] ? kfree+0x14f/0x374 [ 608.964188] [] loopback_net_init+0x39/0x150 [ 608.986110] [] ? loopback_xmit+0x341/0x341 [ 609.006758] [] ops_init+0x364/0x3c8 [ 609.023873] [] ? __list_add+0x211/0x249 [ 609.046133] [] ? net_alloc_generic+0x64/0x64 [ 609.070075] [] register_pernet_operations+0x28a/0x3ea [ 609.096648] [] ? unregister_pernet_device+0x73/0x73 [ 609.120233] [] register_pernet_device+0x2f/0x6b [ 609.146482] [] net_dev_init+0x57c/0x61a [ 609.167772] [] ? netdev_boot_setup+0x232/0x232 [ 609.192526] [] ? netdev_boot_setup+0x232/0x232 [ 609.214427] [] do_one_initcall+0x16d/0x258 [ 609.236589] [] ? initcall_blacklisted+0x198/0x198 [ 609.259843] [] ? up_write+0x8c/0xd9 [ 609.278309] [] ? down_write_trylock+0x100/0x100 [ 609.301235] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 609.325648] [] kernel_init_freeable+0x457/0x518 [ 609.349488] [] kernel_init+0x16/0x181 [ 609.367364] [] ret_from_fork+0x1f/0x40 [ 609.386370] [] ? rest_init+0x8f/0x8f [ 609.405931] ================================================================================ [ 609.439316] ================================================================================ [ 609.466399] UBSAN: Undefined behaviour in net/core/dev.c:7660:19 [ 609.487897] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 609.521490] which requires 64 byte alignment [ 609.541516] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 609.562364] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 609.597803] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 609.626924] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 609.658941] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 609.687529] Call Trace: [ 609.695350] [] dump_stack+0xd7/0x132 [ 609.713160] [] ? arch_local_irq_restore+0x1b/0x1b [ 609.737650] [] ubsan_epilogue+0x12/0x53 [ 609.757083] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 609.780942] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 609.806541] [] alloc_netdev_mqs+0x673/0xc70 [ 609.826545] [] ? always_on+0x15/0x15 [ 609.843217] [] ? free_netdev+0x290/0x290 [ 609.862084] [] ? netdev_exit+0x77/0x77 [ 609.879741] [] ? kfree+0x14f/0x374 [ 609.897777] [] loopback_net_init+0x39/0x150 [ 609.918453] [] ? loopback_xmit+0x341/0x341 [ 609.941696] [] ops_init+0x364/0x3c8 [ 609.962350] [] ? __list_add+0x211/0x249 [ 609.982865] [] ? net_alloc_generic+0x64/0x64 [ 610.004294] [] register_pernet_operations+0x28a/0x3ea [ 610.027800] [] ? unregister_pernet_device+0x73/0x73 [ 610.059753] [] register_pernet_device+0x2f/0x6b [ 610.080894] [] net_dev_init+0x57c/0x61a [ 610.104285] [] ? netdev_boot_setup+0x232/0x232 [ 610.124802] [] ? netdev_boot_setup+0x232/0x232 [ 610.148776] [] do_one_initcall+0x16d/0x258 [ 610.168043] [] ? initcall_blacklisted+0x198/0x198 [ 610.194440] [] ? up_write+0x8c/0xd9 [ 610.208748] [] ? down_write_trylock+0x100/0x100 [ 610.233206] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 610.255277] [] kernel_init_freeable+0x457/0x518 [ 610.274573] [] kernel_init+0x16/0x181 [ 610.289526] [] ret_from_fork+0x1f/0x40 [ 610.309654] [] ? rest_init+0x8f/0x8f [ 610.328441] ================================================================================ [ 610.354715] ================================================================================ [ 610.380231] UBSAN: Undefined behaviour in net/core/dev.c:7660:19 [ 610.401330] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 610.432234] which requires 64 byte alignment [ 610.447211] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 610.472823] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 610.509017] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 610.536519] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 610.563137] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 610.596303] Call Trace: [ 610.606739] [] dump_stack+0xd7/0x132 [ 610.623909] [] ? arch_local_irq_restore+0x1b/0x1b [ 610.648635] [] ubsan_epilogue+0x12/0x53 [ 610.668610] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 610.696010] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 610.720952] [] alloc_netdev_mqs+0x6a2/0xc70 [ 610.743279] [] ? always_on+0x15/0x15 [ 610.762035] [] ? free_netdev+0x290/0x290 [ 610.782425] [] ? netdev_exit+0x77/0x77 [ 610.804966] [] ? kfree+0x14f/0x374 [ 610.824559] [] loopback_net_init+0x39/0x150 [ 610.847750] [] ? loopback_xmit+0x341/0x341 [ 610.866297] [] ops_init+0x364/0x3c8 [ 610.884513] [] ? __list_add+0x211/0x249 [ 610.902893] [] ? net_alloc_generic+0x64/0x64 [ 610.923329] [] register_pernet_operations+0x28a/0x3ea [ 610.947182] [] ? unregister_pernet_device+0x73/0x73 [ 610.969166] [] register_pernet_device+0x2f/0x6b [ 610.994868] [] net_dev_init+0x57c/0x61a [ 611.013062] [] ? netdev_boot_setup+0x232/0x232 [ 611.038359] [] ? netdev_boot_setup+0x232/0x232 [ 611.060143] [] do_one_initcall+0x16d/0x258 [ 611.108657] [] ? initcall_blacklisted+0x198/0x198 [ 611.136829] [] ? up_write+0x8c/0xd9 [ 611.157934] [] ? down_write_trylock+0x100/0x100 [ 611.180506] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 611.204247] [] kernel_init_freeable+0x457/0x518 [ 611.225816] [] kernel_init+0x16/0x181 [ 611.243380] [] ret_from_fork+0x1f/0x40 [ 611.264493] [] ? rest_init+0x8f/0x8f [ 611.298155] ================================================================================ [ 611.332665] ================================================================================ [ 611.367535] UBSAN: Undefined behaviour in net/core/dev.c:7661:21 [ 611.389787] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 611.420664] which requires 64 byte alignment [ 611.438257] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 611.459074] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 611.492747] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 611.518878] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 611.552227] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 611.577664] Call Trace: [ 611.584357] [] dump_stack+0xd7/0x132 [ 611.607048] [] ? arch_local_irq_restore+0x1b/0x1b [ 611.628313] [] ubsan_epilogue+0x12/0x53 [ 611.646440] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 611.666971] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 611.694656] [] alloc_netdev_mqs+0x6c2/0xc70 [ 611.710996] [] ? always_on+0x15/0x15 [ 611.726774] [] ? free_netdev+0x290/0x290 [ 611.741647] [] ? netdev_exit+0x77/0x77 [ 611.759294] [] ? kfree+0x14f/0x374 [ 611.776551] [] loopback_net_init+0x39/0x150 [ 611.799199] [] ? loopback_xmit+0x341/0x341 [ 611.817000] [] ops_init+0x364/0x3c8 [ 611.832433] [] ? __list_add+0x211/0x249 [ 611.851093] [] ? net_alloc_generic+0x64/0x64 [ 611.867869] [] register_pernet_operations+0x28a/0x3ea [ 611.886457] [] ? unregister_pernet_device+0x73/0x73 [ 611.905103] [] register_pernet_device+0x2f/0x6b [ 611.923284] [] net_dev_init+0x57c/0x61a [ 611.938190] [] ? netdev_boot_setup+0x232/0x232 [ 611.954966] [] ? netdev_boot_setup+0x232/0x232 [ 611.977176] [] do_one_initcall+0x16d/0x258 [ 611.994349] [] ? initcall_blacklisted+0x198/0x198 [ 612.011379] [] ? up_write+0x8c/0xd9 [ 612.026988] [] ? down_write_trylock+0x100/0x100 [ 612.046998] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 612.068184] [] kernel_init_freeable+0x457/0x518 [ 612.088961] [] kernel_init+0x16/0x181 [ 612.107304] [] ret_from_fork+0x1f/0x40 [ 612.127237] [] ? rest_init+0x8f/0x8f [ 612.145913] ================================================================================ [ 612.173851] ================================================================================ [ 612.203317] UBSAN: Undefined behaviour in net/core/dev.c:7664:21 [ 612.222495] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 612.247484] which requires 64 byte alignment [ 612.263618] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 612.287990] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 612.319897] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 612.345896] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 612.383413] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 612.407324] Call Trace: [ 612.415477] [] dump_stack+0xd7/0x132 [ 612.442931] [] ? arch_local_irq_restore+0x1b/0x1b [ 612.461600] [] ubsan_epilogue+0x12/0x53 [ 612.480409] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 612.502373] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 612.523544] [] alloc_netdev_mqs+0x6eb/0xc70 [ 612.544446] [] ? always_on+0x15/0x15 [ 612.562162] [] ? free_netdev+0x290/0x290 [ 612.581576] [] ? netdev_exit+0x77/0x77 [ 612.598137] [] ? kfree+0x14f/0x374 [ 612.611215] [] loopback_net_init+0x39/0x150 [ 612.629092] [] ? loopback_xmit+0x341/0x341 [ 612.648417] [] ops_init+0x364/0x3c8 [ 612.662620] [] ? __list_add+0x211/0x249 [ 612.689131] [] ? net_alloc_generic+0x64/0x64 [ 612.706413] [] register_pernet_operations+0x28a/0x3ea [ 612.726560] [] ? unregister_pernet_device+0x73/0x73 [ 612.746252] [] register_pernet_device+0x2f/0x6b [ 612.763142] [] net_dev_init+0x57c/0x61a [ 612.780642] [] ? netdev_boot_setup+0x232/0x232 [ 612.799197] [] ? netdev_boot_setup+0x232/0x232 [ 612.816680] [] do_one_initcall+0x16d/0x258 [ 612.833565] [] ? initcall_blacklisted+0x198/0x198 [ 612.856634] [] ? up_write+0x8c/0xd9 [ 612.870179] [] ? down_write_trylock+0x100/0x100 [ 612.888932] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 612.912289] [] kernel_init_freeable+0x457/0x518 [ 612.932881] [] kernel_init+0x16/0x181 [ 612.952788] [] ret_from_fork+0x1f/0x40 [ 612.969741] [] ? rest_init+0x8f/0x8f [ 612.987495] ================================================================================ [ 613.011610] ================================================================================ [ 613.036767] UBSAN: Undefined behaviour in net/core/dev.c:7665:26 [ 613.053878] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 613.081741] which requires 64 byte alignment [ 613.096530] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 613.113270] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 613.145654] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 613.166453] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 613.189790] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 613.213532] Call Trace: [ 613.221267] [] dump_stack+0xd7/0x132 [ 613.236233] [] ? arch_local_irq_restore+0x1b/0x1b [ 613.254305] [] ubsan_epilogue+0x12/0x53 [ 613.268832] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 613.289184] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 613.316313] [] alloc_netdev_mqs+0x721/0xc70 [ 613.342049] [] ? always_on+0x15/0x15 [ 613.358171] [] ? free_netdev+0x290/0x290 [ 613.377289] [] ? netdev_exit+0x77/0x77 [ 613.395844] [] ? kfree+0x14f/0x374 [ 613.410310] [] loopback_net_init+0x39/0x150 [ 613.432748] [] ? loopback_xmit+0x341/0x341 [ 613.453480] [] ops_init+0x364/0x3c8 [ 613.468055] [] ? __list_add+0x211/0x249 [ 613.489658] [] ? net_alloc_generic+0x64/0x64 [ 613.508067] [] register_pernet_operations+0x28a/0x3ea [ 613.533792] [] ? unregister_pernet_device+0x73/0x73 [ 613.556337] [] register_pernet_device+0x2f/0x6b [ 613.581740] [] net_dev_init+0x57c/0x61a [ 613.600732] [] ? netdev_boot_setup+0x232/0x232 [ 613.621603] [] ? netdev_boot_setup+0x232/0x232 [ 613.639476] [] do_one_initcall+0x16d/0x258 [ 613.657962] [] ? initcall_blacklisted+0x198/0x198 [ 613.677727] [] ? up_write+0x8c/0xd9 [ 613.697807] [] ? down_write_trylock+0x100/0x100 [ 613.715442] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 613.737275] [] kernel_init_freeable+0x457/0x518 [ 613.758166] [] kernel_init+0x16/0x181 [ 613.776146] [] ret_from_fork+0x1f/0x40 [ 613.797651] [] ? rest_init+0x8f/0x8f [ 613.813282] ================================================================================ [ 613.844834] ================================================================================ [ 613.872452] UBSAN: Undefined behaviour in net/core/dev.c:7077:15 [ 613.891168] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 613.922821] which requires 64 byte alignment [ 613.939271] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 613.962195] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 613.994019] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 614.020955] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 614.043500] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 614.067585] Call Trace: [ 614.075087] [] dump_stack+0xd7/0x132 [ 614.092852] [] ? arch_local_irq_restore+0x1b/0x1b [ 614.109444] [] ubsan_epilogue+0x12/0x53 [ 614.127503] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 614.152616] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 614.176688] [] alloc_netdev_mqs+0x74d/0xc70 [ 614.193664] [] ? always_on+0x15/0x15 [ 614.208057] [] ? free_netdev+0x290/0x290 [ 614.225481] [] ? netdev_exit+0x77/0x77 [ 614.244458] [] ? kfree+0x14f/0x374 [ 614.261409] [] loopback_net_init+0x39/0x150 [ 614.282481] [] ? loopback_xmit+0x341/0x341 [ 614.301114] [] ops_init+0x364/0x3c8 [ 614.314301] [] ? __list_add+0x211/0x249 [ 614.334467] [] ? net_alloc_generic+0x64/0x64 [ 614.356475] [] register_pernet_operations+0x28a/0x3ea [ 614.376620] [] ? unregister_pernet_device+0x73/0x73 [ 614.399777] [] register_pernet_device+0x2f/0x6b [ 614.416365] [] net_dev_init+0x57c/0x61a [ 614.435888] [] ? netdev_boot_setup+0x232/0x232 [ 614.453785] [] ? netdev_boot_setup+0x232/0x232 [ 614.472158] [] do_one_initcall+0x16d/0x258 [ 614.487780] [] ? initcall_blacklisted+0x198/0x198 [ 614.508775] [] ? up_write+0x8c/0xd9 [ 614.524049] [] ? down_write_trylock+0x100/0x100 [ 614.547458] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 614.569552] [] kernel_init_freeable+0x457/0x518 [ 614.592489] [] kernel_init+0x16/0x181 [ 614.607696] [] ret_from_fork+0x1f/0x40 [ 614.625585] [] ? rest_init+0x8f/0x8f [ 614.642220] ================================================================================ [ 614.669506] ================================================================================ [ 614.701362] UBSAN: Undefined behaviour in net/core/dev.c:7090:11 [ 614.725563] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 614.763881] which requires 64 byte alignment [ 614.780225] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 614.803143] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 614.841573] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 614.876106] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 614.905524] 0000000000000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 614.938655] Call Trace: [ 614.945850] [] dump_stack+0xd7/0x132 [ 614.968928] [] ? arch_local_irq_restore+0x1b/0x1b [ 614.996591] [] ubsan_epilogue+0x12/0x53 [ 615.017928] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 615.045925] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 615.079078] [] alloc_netdev_mqs+0x7b8/0xc70 [ 615.102647] [] ? always_on+0x15/0x15 [ 615.123801] [] ? free_netdev+0x290/0x290 [ 615.145573] [] ? netdev_exit+0x77/0x77 [ 615.168220] [] ? kfree+0x14f/0x374 [ 615.185282] [] loopback_net_init+0x39/0x150 [ 615.210884] [] ? loopback_xmit+0x341/0x341 [ 615.239715] [] ops_init+0x364/0x3c8 [ 615.260869] [] ? __list_add+0x211/0x249 [ 615.283680] [] ? net_alloc_generic+0x64/0x64 [ 615.306487] [] register_pernet_operations+0x28a/0x3ea [ 615.337527] [] ? unregister_pernet_device+0x73/0x73 [ 615.363430] [] register_pernet_device+0x2f/0x6b [ 615.388528] [] net_dev_init+0x57c/0x61a [ 615.411754] [] ? netdev_boot_setup+0x232/0x232 [ 615.434064] [] ? netdev_boot_setup+0x232/0x232 [ 615.452985] [] do_one_initcall+0x16d/0x258 [ 615.470672] [] ? initcall_blacklisted+0x198/0x198 [ 615.495701] [] ? up_write+0x8c/0xd9 [ 615.512214] [] ? down_write_trylock+0x100/0x100 [ 615.533325] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 615.556652] [] kernel_init_freeable+0x457/0x518 [ 615.581024] [] kernel_init+0x16/0x181 [ 615.600561] [] ret_from_fork+0x1f/0x40 [ 615.616990] [] ? rest_init+0x8f/0x8f [ 615.635055] ================================================================================ [ 615.660978] ================================================================================ [ 615.689792] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:1966:21 [ 615.716129] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 615.745950] which requires 64 byte alignment [ 615.760197] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 615.779687] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 615.809335] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 615.834941] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 615.860445] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 615.885689] Call Trace: [ 615.891785] [] dump_stack+0xd7/0x132 [ 615.907180] [] ? arch_local_irq_restore+0x1b/0x1b [ 615.927934] [] ubsan_epilogue+0x12/0x53 [ 615.943789] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 615.966095] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 615.987652] [] alloc_netdev_mqs+0x804/0xc70 [ 616.004044] [] ? free_netdev+0x290/0x290 [ 616.023059] [] ? netdev_exit+0x77/0x77 [ 616.040722] [] ? kfree+0x14f/0x374 [ 616.055107] [] loopback_net_init+0x39/0x150 [ 616.075019] [] ? loopback_xmit+0x341/0x341 [ 616.093960] [] ops_init+0x364/0x3c8 [ 616.107375] [] ? __list_add+0x211/0x249 [ 616.126533] [] ? net_alloc_generic+0x64/0x64 [ 616.143162] [] register_pernet_operations+0x28a/0x3ea [ 616.162079] [] ? unregister_pernet_device+0x73/0x73 [ 616.185966] [] register_pernet_device+0x2f/0x6b [ 616.206158] [] net_dev_init+0x57c/0x61a [ 616.223942] [] ? netdev_boot_setup+0x232/0x232 [ 616.244130] [] ? netdev_boot_setup+0x232/0x232 [ 616.262731] [] do_one_initcall+0x16d/0x258 [ 616.281446] [] ? initcall_blacklisted+0x198/0x198 [ 616.302140] [] ? up_write+0x8c/0xd9 [ 616.318711] [] ? down_write_trylock+0x100/0x100 [ 616.340491] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 616.360663] [] kernel_init_freeable+0x457/0x518 [ 616.380381] [] kernel_init+0x16/0x181 [ 616.399801] [] ret_from_fork+0x1f/0x40 [ 616.416016] [] ? rest_init+0x8f/0x8f [ 616.434655] ================================================================================ [ 616.458051] ================================================================================ [ 616.498204] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:1967:14 [ 616.519925] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 616.547467] which requires 64 byte alignment [ 616.559308] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 616.578587] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 616.607812] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 616.634069] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 616.658677] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 616.681660] Call Trace: [ 616.688475] [] dump_stack+0xd7/0x132 [ 616.709676] [] ? arch_local_irq_restore+0x1b/0x1b [ 616.731753] [] ubsan_epilogue+0x12/0x53 [ 616.750604] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 616.772405] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 616.803029] [] alloc_netdev_mqs+0x840/0xc70 [ 616.820737] [] ? free_netdev+0x290/0x290 [ 616.840022] [] ? netdev_exit+0x77/0x77 [ 616.858432] [] ? kfree+0x14f/0x374 [ 616.874271] [] loopback_net_init+0x39/0x150 [ 616.891493] [] ? loopback_xmit+0x341/0x341 [ 616.909182] [] ops_init+0x364/0x3c8 [ 616.927702] [] ? __list_add+0x211/0x249 [ 616.943733] [] ? net_alloc_generic+0x64/0x64 [ 616.960917] [] register_pernet_operations+0x28a/0x3ea [ 616.981630] [] ? unregister_pernet_device+0x73/0x73 [ 617.004309] [] register_pernet_device+0x2f/0x6b [ 617.024316] [] net_dev_init+0x57c/0x61a [ 617.046042] [] ? netdev_boot_setup+0x232/0x232 [ 617.068913] [] ? netdev_boot_setup+0x232/0x232 [ 617.088707] [] do_one_initcall+0x16d/0x258 [ 617.106353] [] ? initcall_blacklisted+0x198/0x198 [ 617.129448] [] ? up_write+0x8c/0xd9 [ 617.147667] [] ? down_write_trylock+0x100/0x100 [ 617.165175] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 617.188125] [] kernel_init_freeable+0x457/0x518 [ 617.205568] [] kernel_init+0x16/0x181 [ 617.223976] [] ret_from_fork+0x1f/0x40 [ 617.241436] [] ? rest_init+0x8f/0x8f [ 617.261695] ================================================================================ [ 617.289549] ================================================================================ [ 617.319026] UBSAN: Undefined behaviour in net/core/dev.c:7060:2 [ 617.338733] member access within misaligned address ffff88005bdaf8e0 for type 'struct netdev_queue' [ 617.366805] which requires 64 byte alignment [ 617.383739] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 617.402576] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 617.431296] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 617.457731] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 617.480217] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 617.505514] Call Trace: [ 617.516750] [] dump_stack+0xd7/0x132 [ 617.530720] [] ? arch_local_irq_restore+0x1b/0x1b [ 617.550511] [] ubsan_epilogue+0x12/0x53 [ 617.569043] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 617.590856] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 617.616335] [] alloc_netdev_mqs+0x878/0xc70 [ 617.638751] [] ? free_netdev+0x290/0x290 [ 617.655061] [] ? netdev_exit+0x77/0x77 [ 617.671749] [] ? kfree+0x14f/0x374 [ 617.686577] [] loopback_net_init+0x39/0x150 [ 617.706041] [] ? loopback_xmit+0x341/0x341 [ 617.725927] [] ops_init+0x364/0x3c8 [ 617.739644] [] ? __list_add+0x211/0x249 [ 617.757255] [] ? net_alloc_generic+0x64/0x64 [ 617.774864] [] register_pernet_operations+0x28a/0x3ea [ 617.797526] [] ? unregister_pernet_device+0x73/0x73 [ 617.818568] [] register_pernet_device+0x2f/0x6b [ 617.840743] [] net_dev_init+0x57c/0x61a [ 617.855988] [] ? netdev_boot_setup+0x232/0x232 [ 617.875340] [] ? netdev_boot_setup+0x232/0x232 [ 617.892617] [] do_one_initcall+0x16d/0x258 [ 617.910289] [] ? initcall_blacklisted+0x198/0x198 [ 617.935045] [] ? up_write+0x8c/0xd9 [ 617.949683] [] ? down_write_trylock+0x100/0x100 [ 617.972401] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 617.997696] [] kernel_init_freeable+0x457/0x518 [ 618.016603] [] kernel_init+0x16/0x181 [ 618.035971] [] ret_from_fork+0x1f/0x40 [ 618.054089] [] ? rest_init+0x8f/0x8f [ 618.067766] ================================================================================ [ 618.096327] ================================================================================ [ 618.124819] UBSAN: Undefined behaviour in net/core/dev.c:7061:55 [ 618.141845] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 618.169507] which requires 64 byte alignment [ 618.184201] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 618.206112] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 618.237270] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 618.266507] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 618.291913] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 618.323303] Call Trace: [ 618.332040] [] dump_stack+0xd7/0x132 [ 618.349886] [] ? arch_local_irq_restore+0x1b/0x1b [ 618.367232] [] ubsan_epilogue+0x12/0x53 [ 618.385146] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 618.406078] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 618.428645] [] alloc_netdev_mqs+0x8aa/0xc70 [ 618.448977] [] ? free_netdev+0x290/0x290 [ 618.469954] [] ? netdev_exit+0x77/0x77 [ 618.486320] [] ? kfree+0x14f/0x374 [ 618.503499] [] loopback_net_init+0x39/0x150 [ 618.520633] [] ? loopback_xmit+0x341/0x341 [ 618.539992] [] ops_init+0x364/0x3c8 [ 618.557025] [] ? __list_add+0x211/0x249 [ 618.573441] [] ? net_alloc_generic+0x64/0x64 [ 618.590369] [] register_pernet_operations+0x28a/0x3ea [ 618.612202] [] ? unregister_pernet_device+0x73/0x73 [ 618.630431] [] register_pernet_device+0x2f/0x6b [ 618.650596] [] net_dev_init+0x57c/0x61a [ 618.665762] [] ? netdev_boot_setup+0x232/0x232 [ 618.686239] [] ? netdev_boot_setup+0x232/0x232 [ 618.705526] [] do_one_initcall+0x16d/0x258 [ 618.724631] [] ? initcall_blacklisted+0x198/0x198 [ 618.742865] [] ? up_write+0x8c/0xd9 [ 618.762016] [] ? down_write_trylock+0x100/0x100 [ 618.779411] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 618.800524] [] kernel_init_freeable+0x457/0x518 [ 618.816860] [] kernel_init+0x16/0x181 [ 618.834459] [] ret_from_fork+0x1f/0x40 [ 618.851243] [] ? rest_init+0x8f/0x8f [ 618.868323] ================================================================================ [ 618.895642] ================================================================================ [ 618.921093] UBSAN: Undefined behaviour in net/core/dev.c:7062:25 [ 618.940349] member access within misaligned address ffff88005bdaf8e0 for type 'struct netdev_queue' [ 618.967631] which requires 64 byte alignment [ 618.980990] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 619.000530] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 619.035558] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 619.062186] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 619.085351] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 619.110464] Call Trace: [ 619.123130] [] dump_stack+0xd7/0x132 [ 619.140108] [] ? arch_local_irq_restore+0x1b/0x1b [ 619.160900] [] ubsan_epilogue+0x12/0x53 [ 619.180179] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 619.202075] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 619.226459] [] alloc_netdev_mqs+0x8c4/0xc70 [ 619.243077] [] ? free_netdev+0x290/0x290 [ 619.262443] [] ? netdev_exit+0x77/0x77 [ 619.281920] [] ? kfree+0x14f/0x374 [ 619.299561] [] loopback_net_init+0x39/0x150 [ 619.319735] [] ? loopback_xmit+0x341/0x341 [ 619.341361] [] ops_init+0x364/0x3c8 [ 619.357467] [] ? __list_add+0x211/0x249 [ 619.378404] [] ? net_alloc_generic+0x64/0x64 [ 619.397914] [] register_pernet_operations+0x28a/0x3ea [ 619.419004] [] ? unregister_pernet_device+0x73/0x73 [ 619.441477] [] register_pernet_device+0x2f/0x6b [ 619.457233] [] net_dev_init+0x57c/0x61a [ 619.473778] [] ? netdev_boot_setup+0x232/0x232 [ 619.495914] [] ? netdev_boot_setup+0x232/0x232 [ 619.513845] [] do_one_initcall+0x16d/0x258 [ 619.533573] [] ? initcall_blacklisted+0x198/0x198 [ 619.556682] [] ? up_write+0x8c/0xd9 [ 619.572693] [] ? down_write_trylock+0x100/0x100 [ 619.595368] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 619.617560] [] kernel_init_freeable+0x457/0x518 [ 619.639180] [] kernel_init+0x16/0x181 [ 619.655304] [] ret_from_fork+0x1f/0x40 [ 619.672490] [] ? rest_init+0x8f/0x8f [ 619.685586] ================================================================================ [ 619.712446] ================================================================================ [ 619.741004] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:609:15 [ 619.762677] member access within misaligned address ffff88005bdaf8e0 for type 'struct netdev_queue' [ 619.795907] which requires 64 byte alignment [ 619.807785] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 619.825578] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 619.856557] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 619.880433] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 619.901999] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 619.925031] Call Trace: [ 619.935948] [] dump_stack+0xd7/0x132 [ 619.950921] [] ? arch_local_irq_restore+0x1b/0x1b [ 619.969656] [] ubsan_epilogue+0x12/0x53 [ 619.984167] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 620.008453] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 620.036260] [] alloc_netdev_mqs+0x8f7/0xc70 [ 620.055314] [] ? free_netdev+0x290/0x290 [ 620.071649] [] ? netdev_exit+0x77/0x77 [ 620.087263] [] ? kfree+0x14f/0x374 [ 620.102622] [] loopback_net_init+0x39/0x150 [ 620.122809] [] ? loopback_xmit+0x341/0x341 [ 620.140406] [] ops_init+0x364/0x3c8 [ 620.157161] [] ? __list_add+0x211/0x249 [ 620.175635] [] ? net_alloc_generic+0x64/0x64 [ 620.195205] [] register_pernet_operations+0x28a/0x3ea [ 620.217186] [] ? unregister_pernet_device+0x73/0x73 [ 620.240075] [] register_pernet_device+0x2f/0x6b [ 620.258114] [] net_dev_init+0x57c/0x61a [ 620.277459] [] ? netdev_boot_setup+0x232/0x232 [ 620.296850] [] ? netdev_boot_setup+0x232/0x232 [ 620.315211] [] do_one_initcall+0x16d/0x258 [ 620.332375] [] ? initcall_blacklisted+0x198/0x198 [ 620.357127] [] ? up_write+0x8c/0xd9 [ 620.375299] [] ? down_write_trylock+0x100/0x100 [ 620.395364] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 620.416005] [] kernel_init_freeable+0x457/0x518 [ 620.433871] [] kernel_init+0x16/0x181 [ 620.450523] [] ret_from_fork+0x1f/0x40 [ 620.464320] [] ? rest_init+0x8f/0x8f [ 620.483473] ================================================================================ [ 620.508400] ================================================================================ [ 620.552647] UBSAN: Undefined behaviour in net/core/dev.c:7064:13 [ 620.617743] member access within misaligned address ffff88005bdaf8e0 for type 'struct netdev_queue' [ 620.667044] which requires 64 byte alignment [ 620.684404] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 620.710424] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 620.748389] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 620.777680] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 620.808498] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 620.832592] Call Trace: [ 620.839204] [] dump_stack+0xd7/0x132 [ 620.859466] [] ? arch_local_irq_restore+0x1b/0x1b [ 620.883763] [] ubsan_epilogue+0x12/0x53 [ 620.900104] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 620.929671] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 620.959371] [] alloc_netdev_mqs+0x924/0xc70 [ 620.981481] [] ? free_netdev+0x290/0x290 [ 621.004609] [] ? netdev_exit+0x77/0x77 [ 621.026130] [] ? kfree+0x14f/0x374 [ 621.041911] [] loopback_net_init+0x39/0x150 [ 621.058038] [] ? loopback_xmit+0x341/0x341 [ 621.074849] [] ops_init+0x364/0x3c8 [ 621.088555] [] ? __list_add+0x211/0x249 [ 621.106124] [] ? net_alloc_generic+0x64/0x64 [ 621.124830] [] register_pernet_operations+0x28a/0x3ea [ 621.145880] [] ? unregister_pernet_device+0x73/0x73 [ 621.163488] [] register_pernet_device+0x2f/0x6b [ 621.183204] [] net_dev_init+0x57c/0x61a [ 621.199967] [] ? netdev_boot_setup+0x232/0x232 [ 621.215706] [] ? netdev_boot_setup+0x232/0x232 [ 621.233894] [] do_one_initcall+0x16d/0x258 [ 621.255631] [] ? initcall_blacklisted+0x198/0x198 [ 621.278416] [] ? up_write+0x8c/0xd9 [ 621.298741] [] ? down_write_trylock+0x100/0x100 [ 621.316509] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 621.336036] [] kernel_init_freeable+0x457/0x518 [ 621.357938] [] kernel_init+0x16/0x181 [ 621.375045] [] ret_from_fork+0x1f/0x40 [ 621.396746] [] ? rest_init+0x8f/0x8f [ 621.416405] ================================================================================ [ 621.445039] ================================================================================ [ 621.472255] UBSAN: Undefined behaviour in lib/dynamic_queue_limits.c:132:17 [ 621.498828] member access within misaligned address ffff88005bdaf9a0 for type 'struct dql' [ 621.523295] which requires 64 byte alignment [ 621.535326] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 621.558340] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 621.595019] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa08 ffffffffb26ec5cc [ 621.623942] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 621.658293] ffff880000000010 ffff88005c9dfa30 ffff88005c9df9e0 ffffffffb363c3e0 [ 621.686541] Call Trace: [ 621.701086] [] dump_stack+0xd7/0x132 [ 621.722840] [] ? arch_local_irq_restore+0x1b/0x1b [ 621.751258] [] ubsan_epilogue+0x12/0x53 [ 621.774969] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 621.805486] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 621.836951] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 621.867099] [] dql_init+0x2b/0x99 [ 621.887511] [] alloc_netdev_mqs+0x942/0xc70 [ 621.916759] [] ? free_netdev+0x290/0x290 [ 621.942664] [] ? netdev_exit+0x77/0x77 [ 621.970233] [] ? kfree+0x14f/0x374 [ 621.998257] [] loopback_net_init+0x39/0x150 [ 622.030616] [] ? loopback_xmit+0x341/0x341 [ 622.060248] [] ops_init+0x364/0x3c8 [ 622.086386] [] ? __list_add+0x211/0x249 [ 622.111145] [] ? net_alloc_generic+0x64/0x64 [ 622.138607] [] register_pernet_operations+0x28a/0x3ea [ 622.168535] [] ? unregister_pernet_device+0x73/0x73 [ 622.203152] [] register_pernet_device+0x2f/0x6b [ 622.227344] [] net_dev_init+0x57c/0x61a [ 622.256609] [] ? netdev_boot_setup+0x232/0x232 [ 622.278709] [] ? netdev_boot_setup+0x232/0x232 [ 622.302109] [] do_one_initcall+0x16d/0x258 [ 622.321239] [] ? initcall_blacklisted+0x198/0x198 [ 622.342235] [] ? up_write+0x8c/0xd9 [ 622.359665] [] ? down_write_trylock+0x100/0x100 [ 622.383179] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 622.406104] [] kernel_init_freeable+0x457/0x518 [ 622.429576] [] kernel_init+0x16/0x181 [ 622.454859] [] ret_from_fork+0x1f/0x40 [ 622.476681] [] ? rest_init+0x8f/0x8f [ 622.491150] ================================================================================ [ 622.525708] ================================================================================ [ 622.560727] UBSAN: Undefined behaviour in lib/dynamic_queue_limits.c:133:17 [ 622.586271] member access within misaligned address ffff88005bdaf9a0 for type 'struct dql' [ 622.618338] which requires 64 byte alignment [ 622.631400] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 622.648059] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 622.675594] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa08 ffffffffb26ec5cc [ 622.696904] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 622.718582] ffffffff00000010 ffff88005c9dfa30 ffff88005c9df9e0 ffffffffb363c3e0 [ 622.740486] Call Trace: [ 622.746361] [] dump_stack+0xd7/0x132 [ 622.762004] [] ? arch_local_irq_restore+0x1b/0x1b [ 622.779257] [] ubsan_epilogue+0x12/0x53 [ 622.800429] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 622.822362] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 622.848494] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 622.876958] [] dql_init+0x54/0x99 [ 622.895029] [] alloc_netdev_mqs+0x942/0xc70 [ 622.911826] [] ? free_netdev+0x290/0x290 [ 622.932812] [] ? netdev_exit+0x77/0x77 [ 622.952759] [] ? kfree+0x14f/0x374 [ 622.969360] [] loopback_net_init+0x39/0x150 [ 622.993991] [] ? loopback_xmit+0x341/0x341 [ 623.009720] [] ops_init+0x364/0x3c8 [ 623.026672] [] ? __list_add+0x211/0x249 [ 623.048007] [] ? net_alloc_generic+0x64/0x64 [ 623.066628] [] register_pernet_operations+0x28a/0x3ea [ 623.091042] [] ? unregister_pernet_device+0x73/0x73 [ 623.111999] [] register_pernet_device+0x2f/0x6b [ 623.133927] [] net_dev_init+0x57c/0x61a [ 623.151819] [] ? netdev_boot_setup+0x232/0x232 [ 623.168945] [] ? netdev_boot_setup+0x232/0x232 [ 623.197272] [] do_one_initcall+0x16d/0x258 [ 623.219750] [] ? initcall_blacklisted+0x198/0x198 [ 623.241521] [] ? up_write+0x8c/0xd9 [ 623.258057] [] ? down_write_trylock+0x100/0x100 [ 623.279704] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 623.304039] [] kernel_init_freeable+0x457/0x518 [ 623.337383] [] kernel_init+0x16/0x181 [ 623.354908] [] ret_from_fork+0x1f/0x40 [ 623.373922] [] ? rest_init+0x8f/0x8f [ 623.390914] ================================================================================ [ 623.420697] ================================================================================ [ 623.449923] UBSAN: Undefined behaviour in lib/dynamic_queue_limits.c:134:23 [ 623.473779] member access within misaligned address ffff88005bdaf9a0 for type 'struct dql' [ 623.499081] which requires 64 byte alignment [ 623.513619] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 623.529988] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 623.563394] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa08 ffffffffb26ec5cc [ 623.593067] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 623.618415] ffffffff00000010 ffff88005c9dfa30 ffff88005c9df9e0 ffffffffb363c3e0 [ 623.645339] Call Trace: [ 623.655789] [] dump_stack+0xd7/0x132 [ 623.678944] [] ? arch_local_irq_restore+0x1b/0x1b [ 623.725207] [] ubsan_epilogue+0x12/0x53 [ 623.743971] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 623.764958] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 623.790605] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 623.816889] [] dql_init+0x7d/0x99 [ 623.835381] [] alloc_netdev_mqs+0x942/0xc70 [ 623.856728] [] ? free_netdev+0x290/0x290 [ 623.877582] [] ? netdev_exit+0x77/0x77 [ 623.896286] [] ? kfree+0x14f/0x374 [ 623.911358] [] loopback_net_init+0x39/0x150 [ 623.933260] [] ? loopback_xmit+0x341/0x341 [ 623.955595] [] ops_init+0x364/0x3c8 [ 623.972379] [] ? __list_add+0x211/0x249 [ 623.989161] [] ? net_alloc_generic+0x64/0x64 [ 624.014018] [] register_pernet_operations+0x28a/0x3ea [ 624.035485] [] ? unregister_pernet_device+0x73/0x73 [ 624.055202] [] register_pernet_device+0x2f/0x6b [ 624.076729] [] net_dev_init+0x57c/0x61a [ 624.095937] [] ? netdev_boot_setup+0x232/0x232 [ 624.115423] [] ? netdev_boot_setup+0x232/0x232 [ 624.136046] [] do_one_initcall+0x16d/0x258 [ 624.154084] [] ? initcall_blacklisted+0x198/0x198 [ 624.172665] [] ? up_write+0x8c/0xd9 [ 624.190432] [] ? down_write_trylock+0x100/0x100 [ 624.213679] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 624.243393] [] kernel_init_freeable+0x457/0x518 [ 624.264817] [] kernel_init+0x16/0x181 [ 624.280766] [] ret_from_fork+0x1f/0x40 [ 624.298725] [] ? rest_init+0x8f/0x8f [ 624.317483] ================================================================================ [ 624.344873] ================================================================================ [ 624.372483] UBSAN: Undefined behaviour in lib/dynamic_queue_limits.c:118:13 [ 624.393575] member access within misaligned address ffff88005bdaf9a0 for type 'struct dql' [ 624.420943] which requires 64 byte alignment [ 624.436448] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 624.456142] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 624.485510] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9e8 ffffffffb26ec5cc [ 624.509357] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 624.537211] ffff880000000010 ffff88005c9dfa10 ffff88005c9df9c0 ffffffffb363c3e0 [ 624.563910] Call Trace: [ 624.575388] [] dump_stack+0xd7/0x132 [ 624.591615] [] ? arch_local_irq_restore+0x1b/0x1b [ 624.610777] [] ubsan_epilogue+0x12/0x53 [ 624.628330] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 624.667140] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 624.693091] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 624.717796] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 624.748517] [] dql_reset+0x28/0x193 [ 624.767323] [] dql_init+0x92/0x99 [ 624.783766] [] alloc_netdev_mqs+0x942/0xc70 [ 624.802374] [] ? free_netdev+0x290/0x290 [ 624.822240] [] ? netdev_exit+0x77/0x77 [ 624.837362] [] ? kfree+0x14f/0x374 [ 624.855835] [] loopback_net_init+0x39/0x150 [ 624.873471] [] ? loopback_xmit+0x341/0x341 [ 624.896222] [] ops_init+0x364/0x3c8 [ 624.912147] [] ? __list_add+0x211/0x249 [ 624.936521] [] ? net_alloc_generic+0x64/0x64 [ 624.956549] [] register_pernet_operations+0x28a/0x3ea [ 625.004748] [] ? unregister_pernet_device+0x73/0x73 [ 625.139129] [] register_pernet_device+0x2f/0x6b [ 625.175862] [] net_dev_init+0x57c/0x61a [ 625.202906] [] ? netdev_boot_setup+0x232/0x232 [ 625.226590] [] ? netdev_boot_setup+0x232/0x232 [ 625.254903] [] do_one_initcall+0x16d/0x258 [ 625.280341] [] ? initcall_blacklisted+0x198/0x198 [ 625.304907] [] ? up_write+0x8c/0xd9 [ 625.325992] [] ? down_write_trylock+0x100/0x100 [ 625.360834] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 625.386395] [] kernel_init_freeable+0x457/0x518 [ 625.421905] [] kernel_init+0x16/0x181 [ 625.451507] [] ret_from_fork+0x1f/0x40 [ 625.476132] [] ? rest_init+0x8f/0x8f [ 625.499252] ================================================================================ [ 625.530560] ================================================================================ [ 625.566408] UBSAN: Undefined behaviour in lib/dynamic_queue_limits.c:119:18 [ 625.601335] member access within misaligned address ffff88005bdaf9a0 for type 'struct dql' [ 625.638559] which requires 64 byte alignment [ 625.657210] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 625.687159] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 625.728157] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9e8 ffffffffb26ec5cc [ 625.758613] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 625.794328] ffffffff00000010 ffff88005c9dfa10 ffff88005c9df9c0 ffffffffb363c3e0 [ 625.823502] Call Trace: [ 625.834325] [] dump_stack+0xd7/0x132 [ 625.854425] [] ? arch_local_irq_restore+0x1b/0x1b [ 625.881711] [] ubsan_epilogue+0x12/0x53 [ 625.905128] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 625.937120] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 625.974568] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 626.005798] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 626.033250] [] dql_reset+0x51/0x193 [ 626.053995] [] dql_init+0x92/0x99 [ 626.075395] [] alloc_netdev_mqs+0x942/0xc70 [ 626.100810] [] ? free_netdev+0x290/0x290 [ 626.122296] [] ? netdev_exit+0x77/0x77 [ 626.143954] [] ? kfree+0x14f/0x374 [ 626.167834] [] loopback_net_init+0x39/0x150 [ 626.203681] [] ? loopback_xmit+0x341/0x341 [ 626.231601] [] ops_init+0x364/0x3c8 [ 626.258061] [] ? __list_add+0x211/0x249 [ 626.279064] [] ? net_alloc_generic+0x64/0x64 [ 626.309904] [] register_pernet_operations+0x28a/0x3ea [ 626.335422] [] ? unregister_pernet_device+0x73/0x73 [ 626.365891] [] register_pernet_device+0x2f/0x6b [ 626.397236] [] net_dev_init+0x57c/0x61a [ 626.427542] [] ? netdev_boot_setup+0x232/0x232 [ 626.455150] [] ? netdev_boot_setup+0x232/0x232 [ 626.484937] [] do_one_initcall+0x16d/0x258 [ 626.507758] [] ? initcall_blacklisted+0x198/0x198 [ 626.535504] [] ? up_write+0x8c/0xd9 [ 626.573469] [] ? down_write_trylock+0x100/0x100 [ 626.603599] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 626.640513] [] kernel_init_freeable+0x457/0x518 [ 626.674456] [] kernel_init+0x16/0x181 [ 626.711868] [] ret_from_fork+0x1f/0x40 [ 626.745459] [] ? rest_init+0x8f/0x8f [ 626.771382] ================================================================================ [ 626.836187] ================================================================================ [ 626.875190] UBSAN: Undefined behaviour in lib/dynamic_queue_limits.c:120:21 [ 626.905305] member access within misaligned address ffff88005bdaf9a0 for type 'struct dql' [ 626.937804] which requires 64 byte alignment [ 626.954423] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 626.979939] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 627.045306] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9e8 ffffffffb26ec5cc [ 627.083372] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 627.115381] ffffffff00000010 ffff88005c9dfa10 ffff88005c9df9c0 ffffffffb363c3e0 [ 627.142831] Call Trace: [ 627.153331] [] dump_stack+0xd7/0x132 [ 627.177652] [] ? arch_local_irq_restore+0x1b/0x1b [ 627.203179] [] ubsan_epilogue+0x12/0x53 [ 627.228553] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 627.257039] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 627.295187] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 627.458469] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 627.522921] [] dql_reset+0x78/0x193 [ 627.570888] [] dql_init+0x92/0x99 [ 627.602431] [] alloc_netdev_mqs+0x942/0xc70 [ 627.623437] [] ? free_netdev+0x290/0x290 [ 627.644916] [] ? netdev_exit+0x77/0x77 [ 627.669611] [] ? kfree+0x14f/0x374 [ 627.688103] [] loopback_net_init+0x39/0x150 [ 627.710202] [] ? loopback_xmit+0x341/0x341 [ 627.731460] [] ops_init+0x364/0x3c8 [ 627.749306] [] ? __list_add+0x211/0x249 [ 627.768600] [] ? net_alloc_generic+0x64/0x64 [ 627.790645] [] register_pernet_operations+0x28a/0x3ea [ 627.815222] [] ? unregister_pernet_device+0x73/0x73 [ 627.841038] [] register_pernet_device+0x2f/0x6b [ 627.877976] [] net_dev_init+0x57c/0x61a [ 627.907281] [] ? netdev_boot_setup+0x232/0x232 [ 627.930859] [] ? netdev_boot_setup+0x232/0x232 [ 627.957731] [] do_one_initcall+0x16d/0x258 [ 627.982473] [] ? initcall_blacklisted+0x198/0x198 [ 628.006366] [] ? up_write+0x8c/0xd9 [ 628.035304] [] ? down_write_trylock+0x100/0x100 [ 628.061137] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 628.090183] [] kernel_init_freeable+0x457/0x518 [ 628.117625] [] kernel_init+0x16/0x181 [ 628.141351] [] ret_from_fork+0x1f/0x40 [ 628.166827] [] ? rest_init+0x8f/0x8f [ 628.185168] ================================================================================ [ 628.225182] ================================================================================ [ 628.277403] UBSAN: Undefined behaviour in lib/dynamic_queue_limits.c:121:20 [ 628.309369] member access within misaligned address ffff88005bdaf9a0 for type 'struct dql' [ 628.351405] which requires 64 byte alignment [ 628.368295] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 628.395521] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 628.439549] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9e8 ffffffffb26ec5cc [ 628.477193] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 628.512258] ffffffff00000010 ffff88005c9dfa10 ffff88005c9df9c0 ffffffffb363c3e0 [ 628.540304] Call Trace: [ 628.554089] [] dump_stack+0xd7/0x132 [ 628.582479] [] ? arch_local_irq_restore+0x1b/0x1b [ 628.623260] [] ubsan_epilogue+0x12/0x53 [ 628.647274] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 628.685760] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 628.719676] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 628.748335] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 628.776782] [] dql_reset+0xa1/0x193 [ 628.796090] [] dql_init+0x92/0x99 [ 628.816407] [] alloc_netdev_mqs+0x942/0xc70 [ 628.853811] [] ? free_netdev+0x290/0x290 [ 628.877661] [] ? netdev_exit+0x77/0x77 [ 628.900974] [] ? kfree+0x14f/0x374 [ 628.921980] [] loopback_net_init+0x39/0x150 [ 628.946939] [] ? loopback_xmit+0x341/0x341 [ 628.970000] [] ops_init+0x364/0x3c8 [ 628.992855] [] ? __list_add+0x211/0x249 [ 629.024467] [] ? net_alloc_generic+0x64/0x64 [ 629.053074] [] register_pernet_operations+0x28a/0x3ea [ 629.079585] [] ? unregister_pernet_device+0x73/0x73 [ 629.107372] [] register_pernet_device+0x2f/0x6b [ 629.140198] [] net_dev_init+0x57c/0x61a [ 629.163794] [] ? netdev_boot_setup+0x232/0x232 [ 629.189820] [] ? netdev_boot_setup+0x232/0x232 [ 629.214101] [] do_one_initcall+0x16d/0x258 [ 629.238165] [] ? initcall_blacklisted+0x198/0x198 [ 629.268718] [] ? up_write+0x8c/0xd9 [ 629.291192] [] ? down_write_trylock+0x100/0x100 [ 629.316364] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 629.343246] [] kernel_init_freeable+0x457/0x518 [ 629.370918] [] kernel_init+0x16/0x181 [ 629.402126] [] ret_from_fork+0x1f/0x40 [ 629.427803] [] ? rest_init+0x8f/0x8f [ 629.447471] ================================================================================ [ 629.480628] ================================================================================ [ 629.516868] UBSAN: Undefined behaviour in lib/dynamic_queue_limits.c:122:23 [ 629.544378] member access within misaligned address ffff88005bdaf9a0 for type 'struct dql' [ 629.576363] which requires 64 byte alignment [ 629.594553] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 629.619864] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 629.657817] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9e8 ffffffffb26ec5cc [ 629.703644] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 629.744654] ffffffff00000010 ffff88005c9dfa10 ffff88005c9df9c0 ffffffffb363c3e0 [ 629.778499] Call Trace: [ 629.787886] [] dump_stack+0xd7/0x132 [ 629.806787] [] ? arch_local_irq_restore+0x1b/0x1b [ 629.835049] [] ubsan_epilogue+0x12/0x53 [ 629.857062] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 629.885030] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 629.928776] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 629.972009] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 630.000138] [] dql_reset+0xca/0x193 [ 630.021613] [] dql_init+0x92/0x99 [ 630.043283] [] alloc_netdev_mqs+0x942/0xc70 [ 630.079218] [] ? free_netdev+0x290/0x290 [ 630.110818] [] ? netdev_exit+0x77/0x77 [ 630.182456] [] ? kfree+0x14f/0x374 [ 630.206530] [] loopback_net_init+0x39/0x150 [ 630.243943] [] ? loopback_xmit+0x341/0x341 [ 630.270189] [] ops_init+0x364/0x3c8 [ 630.295569] [] ? __list_add+0x211/0x249 [ 630.324455] [] ? net_alloc_generic+0x64/0x64 [ 630.354767] [] register_pernet_operations+0x28a/0x3ea [ 630.390981] [] ? unregister_pernet_device+0x73/0x73 [ 630.427476] [] register_pernet_device+0x2f/0x6b [ 630.460215] [] net_dev_init+0x57c/0x61a [ 630.484650] [] ? netdev_boot_setup+0x232/0x232 [ 630.524620] [] ? netdev_boot_setup+0x232/0x232 [ 630.556692] [] do_one_initcall+0x16d/0x258 [ 630.586992] [] ? initcall_blacklisted+0x198/0x198 [ 630.624909] [] ? up_write+0x8c/0xd9 [ 630.656789] [] ? down_write_trylock+0x100/0x100 [ 630.689228] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 630.727627] [] kernel_init_freeable+0x457/0x518 [ 630.760105] [] kernel_init+0x16/0x181 [ 630.789050] [] ret_from_fork+0x1f/0x40 [ 630.818359] [] ? rest_init+0x8f/0x8f [ 630.845598] ================================================================================ [ 630.891392] ================================================================================ [ 630.940872] UBSAN: Undefined behaviour in lib/dynamic_queue_limits.c:123:25 [ 630.978435] member access within misaligned address ffff88005bdaf9a0 for type 'struct dql' [ 631.026153] which requires 64 byte alignment [ 631.047124] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 631.076685] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 631.122279] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9e8 ffffffffb26ec5cc [ 631.156125] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 631.188458] ffffffff00000010 ffff88005c9dfa10 ffff88005c9df9c0 ffffffffb363c3e0 [ 631.226283] Call Trace: [ 631.241145] [] dump_stack+0xd7/0x132 [ 631.263031] [] ? arch_local_irq_restore+0x1b/0x1b [ 631.297828] [] ubsan_epilogue+0x12/0x53 [ 631.324500] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 631.353734] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 631.387469] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 631.423013] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 631.461184] [] dql_reset+0xf3/0x193 [ 631.490084] [] dql_init+0x92/0x99 [ 631.512144] [] alloc_netdev_mqs+0x942/0xc70 [ 631.546598] [] ? free_netdev+0x290/0x290 [ 631.578834] [] ? netdev_exit+0x77/0x77 [ 631.617462] [] ? kfree+0x14f/0x374 [ 631.635418] [] loopback_net_init+0x39/0x150 [ 631.659270] [] ? loopback_xmit+0x341/0x341 [ 631.683750] [] ops_init+0x364/0x3c8 [ 631.705871] [] ? __list_add+0x211/0x249 [ 631.728278] [] ? net_alloc_generic+0x64/0x64 [ 631.769402] [] register_pernet_operations+0x28a/0x3ea [ 631.849861] [] ? unregister_pernet_device+0x73/0x73 [ 631.916012] [] register_pernet_device+0x2f/0x6b [ 631.974196] [] net_dev_init+0x57c/0x61a [ 632.006677] [] ? netdev_boot_setup+0x232/0x232 [ 632.052067] [] ? netdev_boot_setup+0x232/0x232 [ 632.085686] [] do_one_initcall+0x16d/0x258 [ 632.123110] [] ? initcall_blacklisted+0x198/0x198 [ 632.156340] [] ? up_write+0x8c/0xd9 [ 632.177918] [] ? down_write_trylock+0x100/0x100 [ 632.209452] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 632.239207] [] kernel_init_freeable+0x457/0x518 [ 632.265945] [] kernel_init+0x16/0x181 [ 632.287177] [] ret_from_fork+0x1f/0x40 [ 632.306521] [] ? rest_init+0x8f/0x8f [ 632.329025] ================================================================================ [ 632.368688] ================================================================================ [ 632.409381] UBSAN: Undefined behaviour in lib/dynamic_queue_limits.c:124:20 [ 632.447079] member access within misaligned address ffff88005bdaf9a0 for type 'struct dql' [ 632.499626] which requires 64 byte alignment [ 632.513383] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 632.539488] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 632.573472] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9e8 ffffffffb26ec5cc [ 632.609961] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 632.660235] ffffffff00000010 ffff88005c9dfa10 ffff88005c9df9c0 ffffffffb363c3e0 [ 632.687528] Call Trace: [ 632.701239] [] dump_stack+0xd7/0x132 [ 632.724981] [] ? arch_local_irq_restore+0x1b/0x1b [ 632.753721] [] ubsan_epilogue+0x12/0x53 [ 632.790655] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 632.817208] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 632.848917] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 632.893713] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 632.924505] [] dql_reset+0x11c/0x193 [ 632.946267] [] dql_init+0x92/0x99 [ 632.967053] [] alloc_netdev_mqs+0x942/0xc70 [ 632.994020] [] ? free_netdev+0x290/0x290 [ 633.020639] [] ? netdev_exit+0x77/0x77 [ 633.043712] [] ? kfree+0x14f/0x374 [ 633.061576] [] loopback_net_init+0x39/0x150 [ 633.085021] [] ? loopback_xmit+0x341/0x341 [ 633.119255] [] ops_init+0x364/0x3c8 [ 633.145822] [] ? __list_add+0x211/0x249 [ 633.167160] [] ? net_alloc_generic+0x64/0x64 [ 633.192135] [] register_pernet_operations+0x28a/0x3ea [ 633.221403] [] ? unregister_pernet_device+0x73/0x73 [ 633.245116] [] register_pernet_device+0x2f/0x6b [ 633.269332] [] net_dev_init+0x57c/0x61a [ 633.290916] [] ? netdev_boot_setup+0x232/0x232 [ 633.321719] [] ? netdev_boot_setup+0x232/0x232 [ 633.347397] [] do_one_initcall+0x16d/0x258 [ 633.371040] [] ? initcall_blacklisted+0x198/0x198 [ 633.395915] [] ? up_write+0x8c/0xd9 [ 633.417392] [] ? down_write_trylock+0x100/0x100 [ 633.442862] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 633.468652] [] kernel_init_freeable+0x457/0x518 [ 633.493572] [] kernel_init+0x16/0x181 [ 633.513312] [] ret_from_fork+0x1f/0x40 [ 633.534480] [] ? rest_init+0x8f/0x8f [ 633.555986] ================================================================================ [ 633.589773] ================================================================================ [ 633.628175] UBSAN: Undefined behaviour in lib/dynamic_queue_limits.c:125:20 [ 633.673741] member access within misaligned address ffff88005bdaf9a0 for type 'struct dql' [ 633.710545] which requires 64 byte alignment [ 633.730759] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 633.760389] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 633.798390] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9e8 ffffffffb26ec5cc [ 633.836639] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 633.869950] ffffffff00000010 ffff88005c9dfa10 ffff88005c9df9c0 ffffffffb363c3e0 [ 633.901792] Call Trace: [ 633.912636] [] dump_stack+0xd7/0x132 [ 633.934970] [] ? arch_local_irq_restore+0x1b/0x1b [ 633.958407] [] ubsan_epilogue+0x12/0x53 [ 633.981767] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 634.013634] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 634.041833] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 634.068535] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 634.094379] [] dql_reset+0x145/0x193 [ 634.113833] [] dql_init+0x92/0x99 [ 634.141277] [] alloc_netdev_mqs+0x942/0xc70 [ 634.159987] [] ? free_netdev+0x290/0x290 [ 634.184654] [] ? netdev_exit+0x77/0x77 [ 634.213969] [] ? kfree+0x14f/0x374 [ 634.236308] [] loopback_net_init+0x39/0x150 [ 634.256851] [] ? loopback_xmit+0x341/0x341 [ 634.276918] [] ops_init+0x364/0x3c8 [ 634.302097] [] ? __list_add+0x211/0x249 [ 634.326760] [] ? net_alloc_generic+0x64/0x64 [ 634.358764] [] register_pernet_operations+0x28a/0x3ea [ 634.396471] [] ? unregister_pernet_device+0x73/0x73 [ 634.427541] [] register_pernet_device+0x2f/0x6b [ 634.460552] [] net_dev_init+0x57c/0x61a [ 634.491317] [] ? netdev_boot_setup+0x232/0x232 [ 634.520567] [] ? netdev_boot_setup+0x232/0x232 [ 634.554920] [] do_one_initcall+0x16d/0x258 [ 634.582938] [] ? initcall_blacklisted+0x198/0x198 [ 634.613718] [] ? up_write+0x8c/0xd9 [ 634.641085] [] ? down_write_trylock+0x100/0x100 [ 634.665830] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 634.697123] [] kernel_init_freeable+0x457/0x518 [ 634.724169] [] kernel_init+0x16/0x181 [ 634.748636] [] ret_from_fork+0x1f/0x40 [ 634.780570] [] ? rest_init+0x8f/0x8f [ 634.803769] ================================================================================ [ 634.835816] ================================================================================ [ 634.868569] UBSAN: Undefined behaviour in lib/dynamic_queue_limits.c:126:24 [ 634.901159] member access within misaligned address ffff88005bdaf9a0 for type 'struct dql' [ 634.937525] which requires 64 byte alignment [ 634.957076] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 634.984043] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 635.028169] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9e8 ffffffffb26ec5cc [ 635.060126] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 635.092738] ffffffff00000010 ffff88005c9dfa10 ffff88005c9df9c0 ffffffffb363c3e0 [ 635.125462] Call Trace: [ 635.133018] [] dump_stack+0xd7/0x132 [ 635.157572] [] ? arch_local_irq_restore+0x1b/0x1b [ 635.186641] [] ubsan_epilogue+0x12/0x53 [ 635.210394] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 635.261067] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 635.301186] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 635.329485] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 635.369889] [] dql_reset+0x181/0x193 [ 635.390968] [] dql_init+0x92/0x99 [ 635.410731] [] alloc_netdev_mqs+0x942/0xc70 [ 635.433379] [] ? free_netdev+0x290/0x290 [ 635.461064] [] ? netdev_exit+0x77/0x77 [ 635.485887] [] ? kfree+0x14f/0x374 [ 635.510706] [] loopback_net_init+0x39/0x150 [ 635.539916] [] ? loopback_xmit+0x341/0x341 [ 635.561302] [] ops_init+0x364/0x3c8 [ 635.581024] [] ? __list_add+0x211/0x249 [ 635.600641] [] ? net_alloc_generic+0x64/0x64 [ 635.627124] [] register_pernet_operations+0x28a/0x3ea [ 635.658728] [] ? unregister_pernet_device+0x73/0x73 [ 635.697772] [] register_pernet_device+0x2f/0x6b [ 635.731878] [] net_dev_init+0x57c/0x61a [ 635.754778] [] ? netdev_boot_setup+0x232/0x232 [ 635.784782] [] ? netdev_boot_setup+0x232/0x232 [ 635.809904] [] do_one_initcall+0x16d/0x258 [ 635.833504] [] ? initcall_blacklisted+0x198/0x198 [ 635.871621] [] ? up_write+0x8c/0xd9 [ 635.894058] [] ? down_write_trylock+0x100/0x100 [ 635.928613] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 635.955334] [] kernel_init_freeable+0x457/0x518 [ 635.981987] [] kernel_init+0x16/0x181 [ 636.000055] [] ret_from_fork+0x1f/0x40 [ 636.022218] [] ? rest_init+0x8f/0x8f [ 636.043432] ================================================================================ [ 636.075840] ================================================================================ [ 636.111091] UBSAN: Undefined behaviour in net/core/dev.c:7093:2 [ 636.135590] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 636.171553] which requires 64 byte alignment [ 636.188694] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 636.214733] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 636.259495] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 636.291653] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 636.326010] ffff880000000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 636.355466] Call Trace: [ 636.366065] [] dump_stack+0xd7/0x132 [ 636.388409] [] ? arch_local_irq_restore+0x1b/0x1b [ 636.414250] [] ubsan_epilogue+0x12/0x53 [ 636.448010] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 636.478660] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 636.511693] [] ? dql_reset+0x18a/0x193 [ 636.535324] [] alloc_netdev_mqs+0x96b/0xc70 [ 636.559909] [] ? free_netdev+0x290/0x290 [ 636.582831] [] ? netdev_exit+0x77/0x77 [ 636.606929] [] ? kfree+0x14f/0x374 [ 636.630356] [] loopback_net_init+0x39/0x150 [ 636.648984] [] ? loopback_xmit+0x341/0x341 [ 636.676010] [] ops_init+0x364/0x3c8 [ 636.696367] [] ? __list_add+0x211/0x249 [ 636.719193] [] ? net_alloc_generic+0x64/0x64 [ 636.742665] [] register_pernet_operations+0x28a/0x3ea [ 636.770943] [] ? unregister_pernet_device+0x73/0x73 [ 636.901999] [] register_pernet_device+0x2f/0x6b [ 636.926769] [] net_dev_init+0x57c/0x61a [ 636.945141] [] ? netdev_boot_setup+0x232/0x232 [ 636.965531] [] ? netdev_boot_setup+0x232/0x232 [ 636.993228] [] do_one_initcall+0x16d/0x258 [ 637.019033] [] ? initcall_blacklisted+0x198/0x198 [ 637.046351] [] ? up_write+0x8c/0xd9 [ 637.066089] [] ? down_write_trylock+0x100/0x100 [ 637.166809] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 637.195403] [] kernel_init_freeable+0x457/0x518 [ 637.221626] [] kernel_init+0x16/0x181 [ 637.243678] [] ret_from_fork+0x1f/0x40 [ 637.266292] [] ? rest_init+0x8f/0x8f [ 637.284795] ================================================================================ [ 637.319775] ================================================================================ [ 637.349048] UBSAN: Undefined behaviour in net/core/dev.c:7670:21 [ 637.372871] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 637.411329] which requires 64 byte alignment [ 637.438940] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 637.467474] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 637.508568] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 637.542652] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 637.570741] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 637.602373] Call Trace: [ 637.610892] [] dump_stack+0xd7/0x132 [ 637.631235] [] ? arch_local_irq_restore+0x1b/0x1b [ 637.658037] [] ubsan_epilogue+0x12/0x53 [ 637.678708] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 637.705996] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 637.738160] [] ? dql_reset+0x18a/0x193 [ 637.755254] [] alloc_netdev_mqs+0x99a/0xc70 [ 637.781973] [] ? free_netdev+0x290/0x290 [ 637.804823] [] ? netdev_exit+0x77/0x77 [ 637.828590] [] ? kfree+0x14f/0x374 [ 637.850571] [] loopback_net_init+0x39/0x150 [ 637.871368] [] ? loopback_xmit+0x341/0x341 [ 637.896817] [] ops_init+0x364/0x3c8 [ 637.917524] [] ? __list_add+0x211/0x249 [ 637.941444] [] ? net_alloc_generic+0x64/0x64 [ 637.966078] [] register_pernet_operations+0x28a/0x3ea [ 637.992235] [] ? unregister_pernet_device+0x73/0x73 [ 638.019083] [] register_pernet_device+0x2f/0x6b [ 638.043014] [] net_dev_init+0x57c/0x61a [ 638.064667] [] ? netdev_boot_setup+0x232/0x232 [ 638.085553] [] ? netdev_boot_setup+0x232/0x232 [ 638.115003] [] do_one_initcall+0x16d/0x258 [ 638.137427] [] ? initcall_blacklisted+0x198/0x198 [ 638.165584] [] ? up_write+0x8c/0xd9 [ 638.182888] [] ? down_write_trylock+0x100/0x100 [ 638.208997] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 638.239390] [] kernel_init_freeable+0x457/0x518 [ 638.261124] [] kernel_init+0x16/0x181 [ 638.278886] [] ret_from_fork+0x1f/0x40 [ 638.298705] [] ? rest_init+0x8f/0x8f [ 638.316456] ================================================================================ [ 638.345106] ================================================================================ [ 638.379233] UBSAN: Undefined behaviour in net/core/dev.c:7671:26 [ 638.397479] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 638.427712] which requires 64 byte alignment [ 638.445518] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 638.465798] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 638.496696] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 638.524149] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 638.550862] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 638.578237] Call Trace: [ 638.587632] [] dump_stack+0xd7/0x132 [ 638.605069] [] ? arch_local_irq_restore+0x1b/0x1b [ 638.626523] [] ubsan_epilogue+0x12/0x53 [ 638.647279] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 638.671087] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 638.699924] [] ? dql_reset+0x18a/0x193 [ 638.718737] [] alloc_netdev_mqs+0x9c6/0xc70 [ 638.742534] [] ? free_netdev+0x290/0x290 [ 638.761023] [] ? netdev_exit+0x77/0x77 [ 638.793837] [] ? kfree+0x14f/0x374 [ 638.810179] [] loopback_net_init+0x39/0x150 [ 638.831846] [] ? loopback_xmit+0x341/0x341 [ 638.855473] [] ops_init+0x364/0x3c8 [ 638.881182] [] ? __list_add+0x211/0x249 [ 638.915883] [] ? net_alloc_generic+0x64/0x64 [ 638.945612] [] register_pernet_operations+0x28a/0x3ea [ 638.973134] [] ? unregister_pernet_device+0x73/0x73 [ 639.007803] [] register_pernet_device+0x2f/0x6b [ 639.040855] [] net_dev_init+0x57c/0x61a [ 639.065128] [] ? netdev_boot_setup+0x232/0x232 [ 639.091738] [] ? netdev_boot_setup+0x232/0x232 [ 639.122992] [] do_one_initcall+0x16d/0x258 [ 639.163473] [] ? initcall_blacklisted+0x198/0x198 [ 639.184529] [] ? up_write+0x8c/0xd9 [ 639.200113] [] ? down_write_trylock+0x100/0x100 [ 639.223556] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 639.249545] [] kernel_init_freeable+0x457/0x518 [ 639.272555] [] kernel_init+0x16/0x181 [ 639.292275] [] ret_from_fork+0x1f/0x40 [ 639.309167] [] ? rest_init+0x8f/0x8f [ 639.330133] ================================================================================ [ 639.366187] ================================================================================ [ 639.395085] UBSAN: Undefined behaviour in net/core/dev.c:7036:18 [ 639.415438] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 639.445499] which requires 64 byte alignment [ 639.464966] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 639.484825] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 639.517516] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 639.543634] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 639.567257] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 639.591279] Call Trace: [ 639.599329] [] dump_stack+0xd7/0x132 [ 639.616830] [] ? arch_local_irq_restore+0x1b/0x1b [ 639.637637] [] ubsan_epilogue+0x12/0x53 [ 639.655030] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 639.679321] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 639.706215] [] ? dql_reset+0x18a/0x193 [ 639.726172] [] alloc_netdev_mqs+0x9f2/0xc70 [ 640.243253] [] ? free_netdev+0x290/0x290 [ 640.277136] [] ? netdev_exit+0x77/0x77 [ 640.306218] [] ? kfree+0x14f/0x374 [ 640.332066] [] loopback_net_init+0x39/0x150 [ 640.364468] [] ? loopback_xmit+0x341/0x341 [ 640.388538] [] ops_init+0x364/0x3c8 [ 640.410369] [] ? __list_add+0x211/0x249 [ 640.433076] [] ? net_alloc_generic+0x64/0x64 [ 640.456530] [] register_pernet_operations+0x28a/0x3ea [ 640.480860] [] ? unregister_pernet_device+0x73/0x73 [ 640.503913] [] register_pernet_device+0x2f/0x6b [ 640.528196] [] net_dev_init+0x57c/0x61a [ 640.551806] [] ? netdev_boot_setup+0x232/0x232 [ 640.577734] [] ? netdev_boot_setup+0x232/0x232 [ 640.608594] [] do_one_initcall+0x16d/0x258 [ 640.628103] [] ? initcall_blacklisted+0x198/0x198 [ 640.651866] [] ? up_write+0x8c/0xd9 [ 640.670169] [] ? down_write_trylock+0x100/0x100 [ 640.692727] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 640.716135] [] kernel_init_freeable+0x457/0x518 [ 640.735273] [] kernel_init+0x16/0x181 [ 640.750410] [] ret_from_fork+0x1f/0x40 [ 640.767344] [] ? rest_init+0x8f/0x8f [ 640.780770] ================================================================================ [ 640.806114] ================================================================================ [ 640.832900] UBSAN: Undefined behaviour in net/core/dev.c:7048:11 [ 640.853476] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 640.880961] which requires 64 byte alignment [ 640.893568] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 640.918109] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 640.948093] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 640.970421] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 640.992201] 0000000000000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 641.015533] Call Trace: [ 641.023634] [] dump_stack+0xd7/0x132 [ 641.046138] [] ? arch_local_irq_restore+0x1b/0x1b [ 641.070504] [] ubsan_epilogue+0x12/0x53 [ 641.091279] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 641.121077] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 641.146968] [] alloc_netdev_mqs+0xa3e/0xc70 [ 641.169885] [] ? free_netdev+0x290/0x290 [ 641.191754] [] ? netdev_exit+0x77/0x77 [ 641.213708] [] ? kfree+0x14f/0x374 [ 641.230054] [] loopback_net_init+0x39/0x150 [ 641.250792] [] ? loopback_xmit+0x341/0x341 [ 641.271893] [] ops_init+0x364/0x3c8 [ 641.288443] [] ? __list_add+0x211/0x249 [ 641.304559] [] ? net_alloc_generic+0x64/0x64 [ 641.324122] [] register_pernet_operations+0x28a/0x3ea [ 641.346476] [] ? unregister_pernet_device+0x73/0x73 [ 641.367312] [] register_pernet_device+0x2f/0x6b [ 641.386863] [] net_dev_init+0x57c/0x61a [ 641.403977] [] ? netdev_boot_setup+0x232/0x232 [ 641.422780] [] ? netdev_boot_setup+0x232/0x232 [ 641.444170] [] do_one_initcall+0x16d/0x258 [ 641.460996] [] ? initcall_blacklisted+0x198/0x198 [ 641.482963] [] ? up_write+0x8c/0xd9 [ 641.499662] [] ? down_write_trylock+0x100/0x100 [ 641.517281] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 641.538591] [] kernel_init_freeable+0x457/0x518 [ 641.556801] [] kernel_init+0x16/0x181 [ 641.570420] [] ret_from_fork+0x1f/0x40 [ 641.587584] [] ? rest_init+0x8f/0x8f [ 641.603004] ================================================================================ [ 641.626734] ================================================================================ [ 641.651563] UBSAN: Undefined behaviour in net/core/dev.c:7051:13 [ 641.671966] member access within misaligned address ffff8800a2441628 for type 'struct netdev_rx_queue' [ 641.700812] which requires 64 byte alignment [ 641.712804] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 641.728524] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 641.763559] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 641.791771] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 641.815067] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 641.841478] Call Trace: [ 641.848798] [] dump_stack+0xd7/0x132 [ 641.865746] [] ? arch_local_irq_restore+0x1b/0x1b [ 641.886897] [] ubsan_epilogue+0x12/0x53 [ 641.905382] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 641.925419] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 641.949149] [] alloc_netdev_mqs+0xa85/0xc70 [ 641.967283] [] ? free_netdev+0x290/0x290 [ 641.987532] [] ? netdev_exit+0x77/0x77 [ 642.006242] [] ? kfree+0x14f/0x374 [ 642.021174] [] loopback_net_init+0x39/0x150 [ 642.040370] [] ? loopback_xmit+0x341/0x341 [ 642.058738] [] ops_init+0x364/0x3c8 [ 642.074511] [] ? __list_add+0x211/0x249 [ 642.091063] [] ? net_alloc_generic+0x64/0x64 [ 642.109892] [] register_pernet_operations+0x28a/0x3ea [ 642.129452] [] ? unregister_pernet_device+0x73/0x73 [ 642.149288] [] register_pernet_device+0x2f/0x6b [ 642.168306] [] net_dev_init+0x57c/0x61a [ 642.186597] [] ? netdev_boot_setup+0x232/0x232 [ 642.202620] [] ? netdev_boot_setup+0x232/0x232 [ 642.220398] [] do_one_initcall+0x16d/0x258 [ 642.238004] [] ? initcall_blacklisted+0x198/0x198 [ 642.261903] [] ? up_write+0x8c/0xd9 [ 642.279732] [] ? down_write_trylock+0x100/0x100 [ 642.298445] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 642.324011] [] kernel_init_freeable+0x457/0x518 [ 642.345592] [] kernel_init+0x16/0x181 [ 642.359775] [] ret_from_fork+0x1f/0x40 [ 642.377849] [] ? rest_init+0x8f/0x8f [ 642.392242] ================================================================================ [ 642.417789] ================================================================================ [ 642.445610] UBSAN: Undefined behaviour in net/core/dev.c:7677:24 [ 642.464702] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 642.492685] which requires 64 byte alignment [ 642.507361] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 642.524507] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 642.554162] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 642.577376] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 642.598840] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 642.620344] Call Trace: [ 642.627540] [] dump_stack+0xd7/0x132 [ 642.646657] [] ? arch_local_irq_restore+0x1b/0x1b [ 642.667190] [] ubsan_epilogue+0x12/0x53 [ 642.681939] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 642.703107] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 642.726105] [] ? strcpy+0x64/0x7f [ 642.743262] [] alloc_netdev_mqs+0xb5f/0xc70 [ 642.761772] [] ? free_netdev+0x290/0x290 [ 642.778579] [] ? netdev_exit+0x77/0x77 [ 642.797192] [] ? kfree+0x14f/0x374 [ 642.811945] [] loopback_net_init+0x39/0x150 [ 642.831929] [] ? loopback_xmit+0x341/0x341 [ 642.848613] [] ops_init+0x364/0x3c8 [ 642.865020] [] ? __list_add+0x211/0x249 [ 642.882428] [] ? net_alloc_generic+0x64/0x64 [ 642.900798] [] register_pernet_operations+0x28a/0x3ea [ 642.920945] [] ? unregister_pernet_device+0x73/0x73 [ 642.940607] [] register_pernet_device+0x2f/0x6b [ 642.959106] [] net_dev_init+0x57c/0x61a [ 642.977864] [] ? netdev_boot_setup+0x232/0x232 [ 642.996697] [] ? netdev_boot_setup+0x232/0x232 [ 643.013909] [] do_one_initcall+0x16d/0x258 [ 643.029171] [] ? initcall_blacklisted+0x198/0x198 [ 643.050531] [] ? up_write+0x8c/0xd9 [ 643.067482] [] ? down_write_trylock+0x100/0x100 [ 643.086281] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 643.105571] [] kernel_init_freeable+0x457/0x518 [ 643.124625] [] kernel_init+0x16/0x181 [ 643.140896] [] ret_from_fork+0x1f/0x40 [ 643.154754] [] ? rest_init+0x8f/0x8f [ 643.170274] ================================================================================ [ 643.197154] ================================================================================ [ 643.224150] UBSAN: Undefined behaviour in net/core/dev.c:7678:13 [ 643.242089] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 643.266413] which requires 64 byte alignment [ 643.279609] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 643.297090] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 643.326819] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 643.349091] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 643.374394] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 643.396083] Call Trace: [ 643.404117] [] dump_stack+0xd7/0x132 [ 643.417478] [] ? arch_local_irq_restore+0x1b/0x1b [ 643.436344] [] ubsan_epilogue+0x12/0x53 [ 643.456480] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 643.479927] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 643.501050] [] ? strcpy+0x64/0x7f [ 643.515671] [] alloc_netdev_mqs+0xb90/0xc70 [ 643.532623] [] ? free_netdev+0x290/0x290 [ 643.548823] [] ? netdev_exit+0x77/0x77 [ 643.568486] [] ? kfree+0x14f/0x374 [ 643.586039] [] loopback_net_init+0x39/0x150 [ 643.608470] [] ? loopback_xmit+0x341/0x341 [ 643.627022] [] ops_init+0x364/0x3c8 [ 643.643593] [] ? __list_add+0x211/0x249 [ 643.663763] [] ? net_alloc_generic+0x64/0x64 [ 643.679865] [] register_pernet_operations+0x28a/0x3ea [ 643.700132] [] ? unregister_pernet_device+0x73/0x73 [ 643.719862] [] register_pernet_device+0x2f/0x6b [ 643.738773] [] net_dev_init+0x57c/0x61a [ 643.754550] [] ? netdev_boot_setup+0x232/0x232 [ 643.773478] [] ? netdev_boot_setup+0x232/0x232 [ 643.792337] [] do_one_initcall+0x16d/0x258 [ 643.807591] [] ? initcall_blacklisted+0x198/0x198 [ 643.829213] [] ? up_write+0x8c/0xd9 [ 643.844865] [] ? down_write_trylock+0x100/0x100 [ 643.866380] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 643.885812] [] kernel_init_freeable+0x457/0x518 [ 643.904680] [] kernel_init+0x16/0x181 [ 643.919035] [] ret_from_fork+0x1f/0x40 [ 643.934958] [] ? rest_init+0x8f/0x8f [ 643.950506] ================================================================================ [ 643.980592] ================================================================================ [ 644.005034] UBSAN: Undefined behaviour in net/core/dev.c:7679:10 [ 644.021274] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 644.048712] which requires 64 byte alignment [ 644.063176] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 644.081921] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 644.108347] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 644.134956] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 644.160630] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 644.184477] Call Trace: [ 644.191000] [] dump_stack+0xd7/0x132 [ 644.209723] [] ? arch_local_irq_restore+0x1b/0x1b [ 644.230291] [] ubsan_epilogue+0x12/0x53 [ 644.248336] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 644.269778] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 644.292494] [] ? strcpy+0x64/0x7f [ 644.306036] [] alloc_netdev_mqs+0xbbf/0xc70 [ 644.323865] [] ? free_netdev+0x290/0x290 [ 644.341556] [] ? netdev_exit+0x77/0x77 [ 644.360456] [] ? kfree+0x14f/0x374 [ 644.377328] [] loopback_net_init+0x39/0x150 [ 644.394896] [] ? loopback_xmit+0x341/0x341 [ 644.412024] [] ops_init+0x364/0x3c8 [ 644.427916] [] ? __list_add+0x211/0x249 [ 644.443409] [] ? net_alloc_generic+0x64/0x64 [ 644.462094] [] register_pernet_operations+0x28a/0x3ea [ 644.482774] [] ? unregister_pernet_device+0x73/0x73 [ 644.500238] [] register_pernet_device+0x2f/0x6b [ 644.518123] [] net_dev_init+0x57c/0x61a [ 644.534193] [] ? netdev_boot_setup+0x232/0x232 [ 644.550849] [] ? netdev_boot_setup+0x232/0x232 [ 644.568871] [] do_one_initcall+0x16d/0x258 [ 644.585361] [] ? initcall_blacklisted+0x198/0x198 [ 644.607966] [] ? up_write+0x8c/0xd9 [ 644.621343] [] ? down_write_trylock+0x100/0x100 [ 644.638516] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 644.659808] [] kernel_init_freeable+0x457/0x518 [ 644.676834] [] kernel_init+0x16/0x181 [ 644.692376] [] ret_from_fork+0x1f/0x40 [ 644.709717] [] ? rest_init+0x8f/0x8f [ 644.724243] ================================================================================ [ 644.748380] ================================================================================ [ 644.773088] UBSAN: Undefined behaviour in net/core/dev.c:7137:2 [ 644.791219] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 644.816845] which requires 64 byte alignment [ 644.829741] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 644.846283] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 644.875006] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 644.898293] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 644.920135] ffff880000000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 644.942987] Call Trace: [ 644.949239] [] dump_stack+0xd7/0x132 [ 644.965355] [] ? arch_local_irq_restore+0x1b/0x1b [ 644.985500] [] ubsan_epilogue+0x12/0x53 [ 645.008137] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 645.028860] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 645.051047] [] ? mutex_set_owner+0x8e/0xc6 [ 645.068107] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 645.090412] [] register_netdevice+0xba/0xc2b [ 645.109565] [] register_netdev+0x21/0x2e [ 645.126897] [] loopback_net_init+0x82/0x150 [ 645.146146] [] ? loopback_xmit+0x341/0x341 [ 645.163152] [] ops_init+0x364/0x3c8 [ 645.178121] [] ? __list_add+0x211/0x249 [ 645.194690] [] ? net_alloc_generic+0x64/0x64 [ 645.211641] [] register_pernet_operations+0x28a/0x3ea [ 645.234976] [] ? unregister_pernet_device+0x73/0x73 [ 645.253907] [] register_pernet_device+0x2f/0x6b [ 645.272439] [] net_dev_init+0x57c/0x61a [ 645.290349] [] ? netdev_boot_setup+0x232/0x232 [ 645.312395] [] ? netdev_boot_setup+0x232/0x232 [ 645.333448] [] do_one_initcall+0x16d/0x258 [ 645.350743] [] ? initcall_blacklisted+0x198/0x198 [ 645.368919] [] ? up_write+0x8c/0xd9 [ 645.385216] [] ? down_write_trylock+0x100/0x100 [ 645.405379] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 645.428262] [] kernel_init_freeable+0x457/0x518 [ 645.446150] [] kernel_init+0x16/0x181 [ 645.464125] [] ret_from_fork+0x1f/0x40 [ 645.482400] [] ? rest_init+0x8f/0x8f [ 645.497148] ================================================================================ [ 645.522554] ================================================================================ [ 645.546068] UBSAN: Undefined behaviour in net/core/dev.c:7140:2 [ 645.565397] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 645.590222] which requires 64 byte alignment [ 645.604280] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 645.623655] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 645.651233] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 645.671490] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 645.695632] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 645.718231] Call Trace: [ 645.727158] [] dump_stack+0xd7/0x132 [ 645.743172] [] ? arch_local_irq_restore+0x1b/0x1b [ 645.761843] [] ubsan_epilogue+0x12/0x53 [ 645.780765] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 645.803619] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 645.824830] [] ? mutex_set_owner+0x8e/0xc6 [ 645.842093] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 645.861957] [] register_netdevice+0x11d/0xc2b [ 645.880039] [] register_netdev+0x21/0x2e [ 645.895394] [] loopback_net_init+0x82/0x150 [ 645.911545] [] ? loopback_xmit+0x341/0x341 [ 645.928006] [] ops_init+0x364/0x3c8 [ 645.943266] [] ? __list_add+0x211/0x249 [ 645.961720] [] ? net_alloc_generic+0x64/0x64 [ 645.984945] [] register_pernet_operations+0x28a/0x3ea [ 646.005790] [] ? unregister_pernet_device+0x73/0x73 [ 646.024275] [] register_pernet_device+0x2f/0x6b [ 646.042967] [] net_dev_init+0x57c/0x61a [ 646.062312] [] ? netdev_boot_setup+0x232/0x232 [ 646.083668] [] ? netdev_boot_setup+0x232/0x232 [ 646.101369] [] do_one_initcall+0x16d/0x258 [ 646.117831] [] ? initcall_blacklisted+0x198/0x198 [ 646.136187] [] ? up_write+0x8c/0xd9 [ 646.151522] [] ? down_write_trylock+0x100/0x100 [ 646.170875] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 646.197951] [] kernel_init_freeable+0x457/0x518 [ 646.215514] [] kernel_init+0x16/0x181 [ 646.230383] [] ret_from_fork+0x1f/0x40 [ 646.248825] [] ? rest_init+0x8f/0x8f [ 646.268185] ================================================================================ [ 646.292242] ================================================================================ [ 646.315904] UBSAN: Undefined behaviour in net/core/dev.c:7148:9 [ 646.332624] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 646.362832] which requires 64 byte alignment [ 646.375675] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 646.396935] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 646.425118] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 646.445674] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 646.471562] ffff880000000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 646.495057] Call Trace: [ 646.507021] [] dump_stack+0xd7/0x132 [ 646.522916] [] ? arch_local_irq_restore+0x1b/0x1b [ 646.543742] [] ubsan_epilogue+0x12/0x53 [ 646.563108] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 646.586781] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 646.609729] [] ? mutex_set_owner+0x8e/0xc6 [ 646.627874] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 646.650256] [] register_netdevice+0x16a/0xc2b [ 646.669848] [] register_netdev+0x21/0x2e [ 646.689943] [] loopback_net_init+0x82/0x150 [ 646.709930] [] ? loopback_xmit+0x341/0x341 [ 646.726056] [] ops_init+0x364/0x3c8 [ 646.742091] [] ? __list_add+0x211/0x249 [ 646.762322] [] ? net_alloc_generic+0x64/0x64 [ 646.780809] [] register_pernet_operations+0x28a/0x3ea [ 646.803749] [] ? unregister_pernet_device+0x73/0x73 [ 646.823362] [] register_pernet_device+0x2f/0x6b [ 646.842645] [] net_dev_init+0x57c/0x61a [ 646.863963] [] ? netdev_boot_setup+0x232/0x232 [ 646.884298] [] ? netdev_boot_setup+0x232/0x232 [ 646.903717] [] do_one_initcall+0x16d/0x258 [ 646.923291] [] ? initcall_blacklisted+0x198/0x198 [ 646.944302] [] ? up_write+0x8c/0xd9 [ 646.964224] [] ? down_write_trylock+0x100/0x100 [ 646.984558] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 647.007842] [] kernel_init_freeable+0x457/0x518 [ 647.025789] [] kernel_init+0x16/0x181 [ 647.044272] [] ret_from_fork+0x1f/0x40 [ 647.066337] [] ? rest_init+0x8f/0x8f [ 647.082849] ================================================================================ [ 647.109498] ================================================================================ [ 647.137003] UBSAN: Undefined behaviour in net/core/dev.c:7149:12 [ 647.155552] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 647.188480] which requires 64 byte alignment [ 647.203631] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 647.227081] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 647.262400] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 647.286741] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 647.312804] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 647.337563] Call Trace: [ 647.344992] [] dump_stack+0xd7/0x132 [ 647.362094] [] ? arch_local_irq_restore+0x1b/0x1b [ 647.382042] [] ubsan_epilogue+0x12/0x53 [ 647.399884] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 647.421692] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 647.445625] [] ? mutex_set_owner+0x8e/0xc6 [ 647.465069] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 647.488087] [] ? loopback_get_stats64+0x23b/0x23b [ 647.506577] [] register_netdevice+0x1cd/0xc2b [ 647.527291] [] register_netdev+0x21/0x2e [ 647.547134] [] loopback_net_init+0x82/0x150 [ 647.566264] [] ? loopback_xmit+0x341/0x341 [ 647.586672] [] ops_init+0x364/0x3c8 [ 647.603345] [] ? __list_add+0x211/0x249 [ 647.621731] [] ? net_alloc_generic+0x64/0x64 [ 647.642402] [] register_pernet_operations+0x28a/0x3ea [ 647.666007] [] ? unregister_pernet_device+0x73/0x73 [ 647.689273] [] register_pernet_device+0x2f/0x6b [ 647.710840] [] net_dev_init+0x57c/0x61a [ 647.727038] [] ? netdev_boot_setup+0x232/0x232 [ 647.747731] [] ? netdev_boot_setup+0x232/0x232 [ 647.770585] [] do_one_initcall+0x16d/0x258 [ 647.790921] [] ? initcall_blacklisted+0x198/0x198 [ 647.813345] [] ? up_write+0x8c/0xd9 [ 647.830111] [] ? down_write_trylock+0x100/0x100 [ 647.852479] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 647.877133] [] kernel_init_freeable+0x457/0x518 [ 647.900220] [] kernel_init+0x16/0x181 [ 647.915941] [] ret_from_fork+0x1f/0x40 [ 647.935819] [] ? rest_init+0x8f/0x8f [ 647.954046] ================================================================================ [ 647.988606] ================================================================================ [ 648.017417] UBSAN: Undefined behaviour in drivers/net/loopback.c:139:14 [ 648.041805] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 648.069553] which requires 64 byte alignment [ 648.086082] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 648.105593] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 648.140491] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa50 ffffffffb26ec5cc [ 648.165309] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 648.195496] ffffffff00000010 ffff88005c9dfa78 ffff88005c9dfa28 ffffffffb363c3e0 [ 648.219939] Call Trace: [ 648.226495] [] dump_stack+0xd7/0x132 [ 648.245153] [] ? arch_local_irq_restore+0x1b/0x1b [ 648.265887] [] ubsan_epilogue+0x12/0x53 [ 648.287395] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 648.312100] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 648.338522] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 648.359536] [] loopback_dev_init+0xf8/0x15b [ 648.380382] [] ? loopback_get_stats64+0x23b/0x23b [ 648.402408] [] register_netdevice+0x1ed/0xc2b [ 648.419186] [] register_netdev+0x21/0x2e [ 648.441171] [] loopback_net_init+0x82/0x150 [ 648.462106] [] ? loopback_xmit+0x341/0x341 [ 648.483272] [] ops_init+0x364/0x3c8 [ 648.502426] [] ? __list_add+0x211/0x249 [ 648.518117] [] ? net_alloc_generic+0x64/0x64 [ 648.538423] [] register_pernet_operations+0x28a/0x3ea [ 648.559742] [] ? unregister_pernet_device+0x73/0x73 [ 648.580040] [] register_pernet_device+0x2f/0x6b [ 648.601098] [] net_dev_init+0x57c/0x61a [ 648.619372] [] ? netdev_boot_setup+0x232/0x232 [ 648.640280] [] ? netdev_boot_setup+0x232/0x232 [ 648.659473] [] do_one_initcall+0x16d/0x258 [ 648.675314] [] ? initcall_blacklisted+0x198/0x198 [ 648.700692] [] ? up_write+0x8c/0xd9 [ 648.720097] [] ? down_write_trylock+0x100/0x100 [ 648.743821] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 648.764059] [] kernel_init_freeable+0x457/0x518 [ 648.785131] [] kernel_init+0x16/0x181 [ 648.803095] [] ret_from_fork+0x1f/0x40 [ 648.824497] [] ? rest_init+0x8f/0x8f [ 648.841889] ================================================================================ [ 648.869947] ================================================================================ [ 648.897956] UBSAN: Undefined behaviour in drivers/net/loopback.c:140:10 [ 648.917497] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 648.944791] which requires 64 byte alignment [ 648.962126] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 648.982308] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 649.015371] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa50 ffffffffb26ec5cc [ 649.044495] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 649.068536] ffff880000000010 ffff88005c9dfa78 ffff88005c9dfa28 ffffffffb363c3e0 [ 649.096575] Call Trace: [ 649.108636] [] dump_stack+0xd7/0x132 [ 649.129495] [] ? arch_local_irq_restore+0x1b/0x1b [ 649.150371] [] ubsan_epilogue+0x12/0x53 [ 649.169071] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 649.196219] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 649.221896] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 649.241633] [] loopback_dev_init+0x124/0x15b [ 649.260751] [] ? loopback_get_stats64+0x23b/0x23b [ 649.283418] [] register_netdevice+0x1ed/0xc2b [ 649.302593] [] register_netdev+0x21/0x2e [ 649.322619] [] loopback_net_init+0x82/0x150 [ 649.342463] [] ? loopback_xmit+0x341/0x341 [ 649.361261] [] ops_init+0x364/0x3c8 [ 649.377276] [] ? __list_add+0x211/0x249 [ 649.400096] [] ? net_alloc_generic+0x64/0x64 [ 649.424012] [] register_pernet_operations+0x28a/0x3ea [ 649.445650] [] ? unregister_pernet_device+0x73/0x73 [ 649.468969] [] register_pernet_device+0x2f/0x6b [ 649.493535] [] net_dev_init+0x57c/0x61a [ 649.513611] [] ? netdev_boot_setup+0x232/0x232 [ 649.533679] [] ? netdev_boot_setup+0x232/0x232 [ 649.556409] [] do_one_initcall+0x16d/0x258 [ 649.572361] [] ? initcall_blacklisted+0x198/0x198 [ 649.595319] [] ? up_write+0x8c/0xd9 [ 649.613920] [] ? down_write_trylock+0x100/0x100 [ 649.638426] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 649.660433] [] kernel_init_freeable+0x457/0x518 [ 649.681095] [] kernel_init+0x16/0x181 [ 649.700432] [] ret_from_fork+0x1f/0x40 [ 649.723089] [] ? rest_init+0x8f/0x8f [ 649.739464] ================================================================================ [ 649.766175] ================================================================================ [ 649.795707] UBSAN: Undefined behaviour in net/core/dev.c:7157:11 [ 649.815963] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 649.847355] which requires 64 byte alignment [ 649.863122] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 649.883987] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 649.919580] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 649.945989] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 649.975651] ffff880000000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 650.001927] Call Trace: [ 650.008955] [] dump_stack+0xd7/0x132 [ 650.031543] [] ? arch_local_irq_restore+0x1b/0x1b [ 650.054590] [] ubsan_epilogue+0x12/0x53 [ 650.073628] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 650.101880] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 650.127291] [] ? loopback_get_stats64+0x23b/0x23b [ 650.152031] [] register_netdevice+0x228/0xc2b [ 650.171454] [] register_netdev+0x21/0x2e [ 650.190378] [] loopback_net_init+0x82/0x150 [ 650.211837] [] ? loopback_xmit+0x341/0x341 [ 650.227969] [] ops_init+0x364/0x3c8 [ 650.243766] [] ? __list_add+0x211/0x249 [ 650.262673] [] ? net_alloc_generic+0x64/0x64 [ 650.284003] [] register_pernet_operations+0x28a/0x3ea [ 650.305035] [] ? unregister_pernet_device+0x73/0x73 [ 650.330009] [] register_pernet_device+0x2f/0x6b [ 650.350849] [] net_dev_init+0x57c/0x61a [ 650.368493] [] ? netdev_boot_setup+0x232/0x232 [ 650.389224] [] ? netdev_boot_setup+0x232/0x232 [ 650.413816] [] do_one_initcall+0x16d/0x258 [ 650.434354] [] ? initcall_blacklisted+0x198/0x198 [ 650.455129] [] ? up_write+0x8c/0xd9 [ 650.470576] [] ? down_write_trylock+0x100/0x100 [ 650.494212] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 650.520503] [] kernel_init_freeable+0x457/0x518 [ 650.544269] [] kernel_init+0x16/0x181 [ 650.564642] [] ret_from_fork+0x1f/0x40 [ 650.584567] [] ? rest_init+0x8f/0x8f [ 650.601966] ================================================================================ [ 650.629127] ================================================================================ [ 650.659418] UBSAN: Undefined behaviour in net/core/dev.c:7157:30 [ 650.681685] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 650.712851] which requires 64 byte alignment [ 650.728135] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 650.744790] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 650.775276] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 650.803976] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 650.832641] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 650.856563] Call Trace: [ 650.865530] [] dump_stack+0xd7/0x132 [ 650.884746] [] ? arch_local_irq_restore+0x1b/0x1b [ 650.909351] [] ubsan_epilogue+0x12/0x53 [ 650.926870] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 650.948258] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 650.971913] [] ? loopback_get_stats64+0x23b/0x23b [ 650.995420] [] register_netdevice+0x254/0xc2b [ 651.015810] [] register_netdev+0x21/0x2e [ 651.037965] [] loopback_net_init+0x82/0x150 [ 651.055333] [] ? loopback_xmit+0x341/0x341 [ 651.075723] [] ops_init+0x364/0x3c8 [ 651.094601] [] ? __list_add+0x211/0x249 [ 651.112661] [] ? net_alloc_generic+0x64/0x64 [ 651.133409] [] register_pernet_operations+0x28a/0x3ea [ 651.156262] [] ? unregister_pernet_device+0x73/0x73 [ 651.175792] [] register_pernet_device+0x2f/0x6b [ 651.199751] [] net_dev_init+0x57c/0x61a [ 651.215616] [] ? netdev_boot_setup+0x232/0x232 [ 651.233461] [] ? netdev_boot_setup+0x232/0x232 [ 651.252945] [] do_one_initcall+0x16d/0x258 [ 651.274769] [] ? initcall_blacklisted+0x198/0x198 [ 651.300529] [] ? up_write+0x8c/0xd9 [ 651.314974] [] ? down_write_trylock+0x100/0x100 [ 651.338286] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 651.361528] [] kernel_init_freeable+0x457/0x518 [ 651.381343] [] kernel_init+0x16/0x181 [ 651.400610] [] ret_from_fork+0x1f/0x40 [ 651.419255] [] ? rest_init+0x8f/0x8f [ 651.437458] ================================================================================ [ 651.467412] ================================================================================ [ 651.496353] UBSAN: Undefined behaviour in net/core/dev.c:7167:10 [ 651.517101] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 651.546893] which requires 64 byte alignment [ 651.561348] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 651.579407] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 651.612850] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 651.636452] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 651.662794] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 651.686869] Call Trace: [ 651.694167] [] dump_stack+0xd7/0x132 [ 651.713793] [] ? arch_local_irq_restore+0x1b/0x1b [ 651.735265] [] ubsan_epilogue+0x12/0x53 [ 651.756701] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 651.781023] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 651.810613] [] ? loopback_get_stats64+0x23b/0x23b [ 651.832945] [] register_netdevice+0x37a/0xc2b [ 651.850141] [] register_netdev+0x21/0x2e [ 651.868895] [] loopback_net_init+0x82/0x150 [ 651.888732] [] ? loopback_xmit+0x341/0x341 [ 651.907169] [] ops_init+0x364/0x3c8 [ 651.923270] [] ? __list_add+0x211/0x249 [ 651.940342] [] ? net_alloc_generic+0x64/0x64 [ 651.962693] [] register_pernet_operations+0x28a/0x3ea [ 651.985753] [] ? unregister_pernet_device+0x73/0x73 [ 652.009479] [] register_pernet_device+0x2f/0x6b [ 652.029934] [] net_dev_init+0x57c/0x61a [ 652.052977] [] ? netdev_boot_setup+0x232/0x232 [ 652.077894] [] ? netdev_boot_setup+0x232/0x232 [ 652.102097] [] do_one_initcall+0x16d/0x258 [ 652.119948] [] ? initcall_blacklisted+0x198/0x198 [ 652.143053] [] ? up_write+0x8c/0xd9 [ 652.161695] [] ? down_write_trylock+0x100/0x100 [ 652.182108] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 652.207915] [] kernel_init_freeable+0x457/0x518 [ 652.231017] [] kernel_init+0x16/0x181 [ 652.250754] [] ret_from_fork+0x1f/0x40 [ 652.267973] [] ? rest_init+0x8f/0x8f [ 652.286048] ================================================================================ [ 652.317270] ================================================================================ [ 652.347800] UBSAN: Undefined behaviour in net/core/dev.c:7168:16 [ 652.369450] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 652.406313] which requires 64 byte alignment [ 652.421661] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 652.445250] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 652.480925] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 652.508203] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 652.532629] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 652.561684] Call Trace: [ 652.568303] [] dump_stack+0xd7/0x132 [ 652.586510] [] ? arch_local_irq_restore+0x1b/0x1b [ 652.607152] [] ubsan_epilogue+0x12/0x53 [ 652.627402] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 652.650826] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 652.677964] [] register_netdevice+0x45f/0xc2b [ 652.697597] [] register_netdev+0x21/0x2e [ 652.717551] [] loopback_net_init+0x82/0x150 [ 652.737560] [] ? loopback_xmit+0x341/0x341 [ 652.756707] [] ops_init+0x364/0x3c8 [ 652.774130] [] ? __list_add+0x211/0x249 [ 652.790335] [] ? net_alloc_generic+0x64/0x64 [ 652.810152] [] register_pernet_operations+0x28a/0x3ea [ 652.831784] [] ? unregister_pernet_device+0x73/0x73 [ 652.853940] [] register_pernet_device+0x2f/0x6b [ 652.879393] [] net_dev_init+0x57c/0x61a [ 652.895222] [] ? netdev_boot_setup+0x232/0x232 [ 652.916443] [] ? netdev_boot_setup+0x232/0x232 [ 652.935308] [] do_one_initcall+0x16d/0x258 [ 652.955041] [] ? initcall_blacklisted+0x198/0x198 [ 652.974349] [] ? up_write+0x8c/0xd9 [ 652.993443] [] ? down_write_trylock+0x100/0x100 [ 653.015235] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 653.039058] [] kernel_init_freeable+0x457/0x518 [ 653.057740] [] kernel_init+0x16/0x181 [ 653.074593] [] ret_from_fork+0x1f/0x40 [ 653.091342] [] ? rest_init+0x8f/0x8f [ 653.110557] ================================================================================ [ 653.139464] ================================================================================ [ 653.166586] UBSAN: Undefined behaviour in net/core/dev.c:7175:19 [ 653.188308] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 653.221266] which requires 64 byte alignment [ 653.235017] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 653.258592] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 653.291649] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 653.316085] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 653.341550] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 653.367173] Call Trace: [ 653.378094] [] dump_stack+0xd7/0x132 [ 653.394646] [] ? arch_local_irq_restore+0x1b/0x1b [ 653.415082] [] ubsan_epilogue+0x12/0x53 [ 653.431452] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 653.453392] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 653.479727] [] register_netdevice+0x4c7/0xc2b [ 653.500698] [] register_netdev+0x21/0x2e [ 653.521485] [] loopback_net_init+0x82/0x150 [ 653.543730] [] ? loopback_xmit+0x341/0x341 [ 653.563622] [] ops_init+0x364/0x3c8 [ 653.580275] [] ? __list_add+0x211/0x249 [ 653.596434] [] ? net_alloc_generic+0x64/0x64 [ 653.617477] [] register_pernet_operations+0x28a/0x3ea [ 653.638944] [] ? unregister_pernet_device+0x73/0x73 [ 653.660096] [] register_pernet_device+0x2f/0x6b [ 653.681458] [] net_dev_init+0x57c/0x61a [ 653.699583] [] ? netdev_boot_setup+0x232/0x232 [ 653.720744] [] ? netdev_boot_setup+0x232/0x232 [ 653.741776] [] do_one_initcall+0x16d/0x258 [ 653.762694] [] ? initcall_blacklisted+0x198/0x198 [ 653.783336] [] ? up_write+0x8c/0xd9 [ 653.799894] [] ? down_write_trylock+0x100/0x100 [ 653.820885] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 653.843293] [] kernel_init_freeable+0x457/0x518 [ 653.865407] [] kernel_init+0x16/0x181 [ 653.887124] [] ret_from_fork+0x1f/0x40 [ 653.907229] [] ? rest_init+0x8f/0x8f [ 653.924230] ================================================================================ [ 653.950329] ================================================================================ [ 653.983948] UBSAN: Undefined behaviour in net/core/dev.c:7175:19 [ 654.004681] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 654.033100] which requires 64 byte alignment [ 654.047348] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 654.069125] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 654.103630] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 654.125721] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 654.156215] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 654.181985] Call Trace: [ 654.188167] [] dump_stack+0xd7/0x132 [ 654.204850] [] ? arch_local_irq_restore+0x1b/0x1b [ 654.225079] [] ubsan_epilogue+0x12/0x53 [ 654.247189] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 654.270152] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 654.294296] [] register_netdevice+0x4f1/0xc2b [ 654.314283] [] register_netdev+0x21/0x2e [ 654.334057] [] loopback_net_init+0x82/0x150 [ 654.352477] [] ? loopback_xmit+0x341/0x341 [ 654.374107] [] ops_init+0x364/0x3c8 [ 654.395034] [] ? __list_add+0x211/0x249 [ 654.425359] [] ? net_alloc_generic+0x64/0x64 [ 654.456305] [] register_pernet_operations+0x28a/0x3ea [ 654.484924] [] ? unregister_pernet_device+0x73/0x73 [ 654.510477] [] register_pernet_device+0x2f/0x6b [ 654.531634] [] net_dev_init+0x57c/0x61a [ 654.551867] [] ? netdev_boot_setup+0x232/0x232 [ 654.571825] [] ? netdev_boot_setup+0x232/0x232 [ 654.595021] [] do_one_initcall+0x16d/0x258 [ 654.622208] [] ? initcall_blacklisted+0x198/0x198 [ 654.662235] [] ? up_write+0x8c/0xd9 [ 654.684105] [] ? down_write_trylock+0x100/0x100 [ 654.723118] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 654.759527] [] kernel_init_freeable+0x457/0x518 [ 654.785852] [] kernel_init+0x16/0x181 [ 654.804722] [] ret_from_fork+0x1f/0x40 [ 654.828732] [] ? rest_init+0x8f/0x8f [ 654.849511] ================================================================================ [ 654.899167] ================================================================================ [ 654.930506] UBSAN: Undefined behaviour in net/core/dev.c:7176:16 [ 654.951677] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 654.981261] which requires 64 byte alignment [ 654.999496] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 655.016524] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 655.047443] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 655.072222] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 655.098727] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 655.122148] Call Trace: [ 655.132076] [] dump_stack+0xd7/0x132 [ 655.150541] [] ? arch_local_irq_restore+0x1b/0x1b [ 655.170646] [] ubsan_epilogue+0x12/0x53 [ 655.193720] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 655.217908] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 655.244719] [] register_netdevice+0x511/0xc2b [ 655.267073] [] register_netdev+0x21/0x2e [ 655.285502] [] loopback_net_init+0x82/0x150 [ 655.307218] [] ? loopback_xmit+0x341/0x341 [ 655.329069] [] ops_init+0x364/0x3c8 [ 655.348756] [] ? __list_add+0x211/0x249 [ 655.368404] [] ? net_alloc_generic+0x64/0x64 [ 655.389106] [] register_pernet_operations+0x28a/0x3ea [ 655.413447] [] ? unregister_pernet_device+0x73/0x73 [ 655.436339] [] register_pernet_device+0x2f/0x6b [ 655.458184] [] net_dev_init+0x57c/0x61a [ 655.477690] [] ? netdev_boot_setup+0x232/0x232 [ 655.500233] [] ? netdev_boot_setup+0x232/0x232 [ 655.523685] [] do_one_initcall+0x16d/0x258 [ 655.542689] [] ? initcall_blacklisted+0x198/0x198 [ 655.564938] [] ? up_write+0x8c/0xd9 [ 655.583676] [] ? down_write_trylock+0x100/0x100 [ 655.604129] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 655.628217] [] kernel_init_freeable+0x457/0x518 [ 655.647332] [] kernel_init+0x16/0x181 [ 655.666346] [] ret_from_fork+0x1f/0x40 [ 655.685891] [] ? rest_init+0x8f/0x8f [ 655.703980] ================================================================================ [ 655.734008] ================================================================================ [ 655.765193] UBSAN: Undefined behaviour in net/core/dev.c:7176:16 [ 655.785565] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 655.822513] which requires 64 byte alignment [ 655.837227] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 655.858892] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 655.889738] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 655.913672] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 655.942270] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 655.965601] Call Trace: [ 655.973852] [] dump_stack+0xd7/0x132 [ 655.990916] [] ? arch_local_irq_restore+0x1b/0x1b [ 656.011031] [] ubsan_epilogue+0x12/0x53 [ 656.032927] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 656.052898] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 656.075103] [] register_netdevice+0x538/0xc2b [ 656.094662] [] register_netdev+0x21/0x2e [ 656.115093] [] loopback_net_init+0x82/0x150 [ 656.136581] [] ? loopback_xmit+0x341/0x341 [ 656.156487] [] ops_init+0x364/0x3c8 [ 656.174512] [] ? __list_add+0x211/0x249 [ 656.190865] [] ? net_alloc_generic+0x64/0x64 [ 656.210007] [] register_pernet_operations+0x28a/0x3ea [ 656.237074] [] ? unregister_pernet_device+0x73/0x73 [ 656.262629] [] register_pernet_device+0x2f/0x6b [ 656.283663] [] net_dev_init+0x57c/0x61a [ 656.299844] [] ? netdev_boot_setup+0x232/0x232 [ 656.322930] [] ? netdev_boot_setup+0x232/0x232 [ 656.346632] [] do_one_initcall+0x16d/0x258 [ 656.366130] [] ? initcall_blacklisted+0x198/0x198 [ 656.388159] [] ? up_write+0x8c/0xd9 [ 656.407097] [] ? down_write_trylock+0x100/0x100 [ 656.432603] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 656.451866] [] kernel_init_freeable+0x457/0x518 [ 656.473547] [] kernel_init+0x16/0x181 [ 656.489486] [] ret_from_fork+0x1f/0x40 [ 656.513885] [] ? rest_init+0x8f/0x8f [ 656.531117] ================================================================================ [ 656.559785] ================================================================================ [ 656.584664] UBSAN: Undefined behaviour in net/core/dev.c:7177:28 [ 656.604441] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 656.632763] which requires 64 byte alignment [ 656.647476] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 656.665299] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 656.696321] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 656.721310] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 656.751931] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 656.777641] Call Trace: [ 656.786121] [] dump_stack+0xd7/0x132 [ 656.803355] [] ? arch_local_irq_restore+0x1b/0x1b [ 656.822915] [] ubsan_epilogue+0x12/0x53 [ 656.844985] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 656.868579] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 656.890690] [] register_netdevice+0x558/0xc2b [ 656.913879] [] register_netdev+0x21/0x2e [ 656.934442] [] loopback_net_init+0x82/0x150 [ 656.953520] [] ? loopback_xmit+0x341/0x341 [ 656.975581] [] ops_init+0x364/0x3c8 [ 656.992070] [] ? __list_add+0x211/0x249 [ 657.009140] [] ? net_alloc_generic+0x64/0x64 [ 657.029471] [] register_pernet_operations+0x28a/0x3ea [ 657.056723] [] ? unregister_pernet_device+0x73/0x73 [ 657.080534] [] register_pernet_device+0x2f/0x6b [ 657.104303] [] net_dev_init+0x57c/0x61a [ 657.121301] [] ? netdev_boot_setup+0x232/0x232 [ 657.140857] [] ? netdev_boot_setup+0x232/0x232 [ 657.163391] [] do_one_initcall+0x16d/0x258 [ 657.183227] [] ? initcall_blacklisted+0x198/0x198 [ 657.205264] [] ? up_write+0x8c/0xd9 [ 657.221117] [] ? down_write_trylock+0x100/0x100 [ 657.243502] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 657.267370] [] kernel_init_freeable+0x457/0x518 [ 657.286725] [] kernel_init+0x16/0x181 [ 657.305406] [] ret_from_fork+0x1f/0x40 [ 657.323862] [] ? rest_init+0x8f/0x8f [ 657.345164] ================================================================================ [ 657.373538] ================================================================================ [ 657.399684] UBSAN: Undefined behaviour in net/core/dev.c:7177:44 [ 657.420129] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 657.451274] which requires 64 byte alignment [ 657.465640] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 657.485236] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 657.515031] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 657.541174] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 657.565625] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 657.590362] Call Trace: [ 657.600510] [] dump_stack+0xd7/0x132 [ 657.616795] [] ? arch_local_irq_restore+0x1b/0x1b [ 657.636875] [] ubsan_epilogue+0x12/0x53 [ 657.655499] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 657.677376] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 657.703100] [] register_netdevice+0x571/0xc2b [ 657.721269] [] register_netdev+0x21/0x2e [ 657.741971] [] loopback_net_init+0x82/0x150 [ 657.761723] [] ? loopback_xmit+0x341/0x341 [ 657.783439] [] ops_init+0x364/0x3c8 [ 657.797018] [] ? __list_add+0x211/0x249 [ 657.815928] [] ? net_alloc_generic+0x64/0x64 [ 657.837278] [] register_pernet_operations+0x28a/0x3ea [ 657.858815] [] ? unregister_pernet_device+0x73/0x73 [ 657.877585] [] register_pernet_device+0x2f/0x6b [ 657.898776] [] net_dev_init+0x57c/0x61a [ 657.921696] [] ? netdev_boot_setup+0x232/0x232 [ 657.940767] [] ? netdev_boot_setup+0x232/0x232 [ 657.960300] [] do_one_initcall+0x16d/0x258 [ 657.981830] [] ? initcall_blacklisted+0x198/0x198 [ 658.002525] [] ? up_write+0x8c/0xd9 [ 658.016801] [] ? down_write_trylock+0x100/0x100 [ 658.038454] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 658.059113] [] kernel_init_freeable+0x457/0x518 [ 658.077760] [] kernel_init+0x16/0x181 [ 658.095011] [] ret_from_fork+0x1f/0x40 [ 658.113194] [] ? rest_init+0x8f/0x8f [ 658.128865] ================================================================================ [ 658.157813] ================================================================================ [ 658.186929] UBSAN: Undefined behaviour in net/core/dev.c:7177:23 [ 658.209280] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 658.239986] which requires 64 byte alignment [ 658.256199] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 658.274162] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 658.306426] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 658.329950] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 658.358727] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 658.384979] Call Trace: [ 658.391545] [] dump_stack+0xd7/0x132 [ 658.410965] [] ? arch_local_irq_restore+0x1b/0x1b [ 658.436604] [] ubsan_epilogue+0x12/0x53 [ 658.455371] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 658.478627] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 658.503650] [] register_netdevice+0x58d/0xc2b [ 658.525829] [] register_netdev+0x21/0x2e [ 658.544275] [] loopback_net_init+0x82/0x150 [ 658.567201] [] ? loopback_xmit+0x341/0x341 [ 658.587087] [] ops_init+0x364/0x3c8 [ 658.605146] [] ? __list_add+0x211/0x249 [ 658.624107] [] ? net_alloc_generic+0x64/0x64 [ 658.644851] [] register_pernet_operations+0x28a/0x3ea [ 658.667247] [] ? unregister_pernet_device+0x73/0x73 [ 658.689255] [] register_pernet_device+0x2f/0x6b [ 658.708195] [] net_dev_init+0x57c/0x61a [ 658.726411] [] ? netdev_boot_setup+0x232/0x232 [ 658.748008] [] ? netdev_boot_setup+0x232/0x232 [ 658.770296] [] do_one_initcall+0x16d/0x258 [ 658.789009] [] ? initcall_blacklisted+0x198/0x198 [ 658.809368] [] ? up_write+0x8c/0xd9 [ 658.826722] [] ? down_write_trylock+0x100/0x100 [ 658.848385] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 658.871086] [] kernel_init_freeable+0x457/0x518 [ 658.890066] [] kernel_init+0x16/0x181 [ 658.908664] [] ret_from_fork+0x1f/0x40 [ 658.926768] [] ? rest_init+0x8f/0x8f [ 658.943852] ================================================================================ [ 658.974917] ================================================================================ [ 659.003103] UBSAN: Undefined behaviour in net/core/dev.c:7179:11 [ 659.019793] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 659.049779] which requires 64 byte alignment [ 659.061603] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 659.079904] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 659.110188] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 659.134933] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 659.161828] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 659.186078] Call Trace: [ 659.196086] [] dump_stack+0xd7/0x132 [ 659.216178] [] ? arch_local_irq_restore+0x1b/0x1b [ 659.236412] [] ubsan_epilogue+0x12/0x53 [ 659.255260] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 659.276504] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 659.301196] [] register_netdevice+0x5b9/0xc2b [ 659.321602] [] register_netdev+0x21/0x2e [ 659.341419] [] loopback_net_init+0x82/0x150 [ 659.363003] [] ? loopback_xmit+0x341/0x341 [ 659.382476] [] ops_init+0x364/0x3c8 [ 659.402343] [] ? __list_add+0x211/0x249 [ 659.422941] [] ? net_alloc_generic+0x64/0x64 [ 659.439541] [] register_pernet_operations+0x28a/0x3ea [ 659.463361] [] ? unregister_pernet_device+0x73/0x73 [ 659.484049] [] register_pernet_device+0x2f/0x6b [ 659.504522] [] net_dev_init+0x57c/0x61a [ 659.524321] [] ? netdev_boot_setup+0x232/0x232 [ 659.546129] [] ? netdev_boot_setup+0x232/0x232 [ 659.567668] [] do_one_initcall+0x16d/0x258 [ 659.586614] [] ? initcall_blacklisted+0x198/0x198 [ 659.605902] [] ? up_write+0x8c/0xd9 [ 659.626989] [] ? down_write_trylock+0x100/0x100 [ 659.645116] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 659.680815] [] kernel_init_freeable+0x457/0x518 [ 659.706226] [] kernel_init+0x16/0x181 [ 659.722644] [] ret_from_fork+0x1f/0x40 [ 659.740978] [] ? rest_init+0x8f/0x8f [ 659.757543] ================================================================================ [ 659.783448] ================================================================================ [ 659.809650] UBSAN: Undefined behaviour in net/core/dev.c:7187:9 [ 659.826868] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 659.859638] which requires 64 byte alignment [ 659.872782] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 659.893223] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 659.926147] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 659.953039] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 659.977569] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 660.005810] Call Trace: [ 660.013222] [] dump_stack+0xd7/0x132 [ 660.029845] [] ? arch_local_irq_restore+0x1b/0x1b [ 660.049320] [] ubsan_epilogue+0x12/0x53 [ 660.068805] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 660.090542] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 660.114698] [] register_netdevice+0x637/0xc2b [ 660.136637] [] register_netdev+0x21/0x2e [ 660.158474] [] loopback_net_init+0x82/0x150 [ 660.178906] [] ? loopback_xmit+0x341/0x341 [ 660.200801] [] ops_init+0x364/0x3c8 [ 660.218617] [] ? __list_add+0x211/0x249 [ 660.236476] [] ? net_alloc_generic+0x64/0x64 [ 660.257706] [] register_pernet_operations+0x28a/0x3ea [ 660.279708] [] ? unregister_pernet_device+0x73/0x73 [ 660.303566] [] register_pernet_device+0x2f/0x6b [ 660.322991] [] net_dev_init+0x57c/0x61a [ 660.339584] [] ? netdev_boot_setup+0x232/0x232 [ 660.360518] [] ? netdev_boot_setup+0x232/0x232 [ 660.382468] [] do_one_initcall+0x16d/0x258 [ 660.400161] [] ? initcall_blacklisted+0x198/0x198 [ 660.426231] [] ? up_write+0x8c/0xd9 [ 660.444691] [] ? down_write_trylock+0x100/0x100 [ 660.467662] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 660.488140] [] kernel_init_freeable+0x457/0x518 [ 660.510083] [] kernel_init+0x16/0x181 [ 660.529833] [] ret_from_fork+0x1f/0x40 [ 660.550635] [] ? rest_init+0x8f/0x8f [ 660.566699] ================================================================================ [ 660.597631] ================================================================================ [ 660.626571] UBSAN: Undefined behaviour in net/core/dev.c:7188:20 [ 660.646785] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 660.675167] which requires 64 byte alignment [ 660.688932] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 660.709574] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 660.742775] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 660.769207] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 660.794733] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 660.821839] Call Trace: [ 660.829740] [] dump_stack+0xd7/0x132 [ 660.848359] [] ? arch_local_irq_restore+0x1b/0x1b [ 660.868205] [] ubsan_epilogue+0x12/0x53 [ 660.888254] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 660.912778] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 660.936840] [] register_netdevice+0x663/0xc2b [ 660.956457] [] register_netdev+0x21/0x2e [ 660.975059] [] loopback_net_init+0x82/0x150 [ 660.992581] [] ? loopback_xmit+0x341/0x341 [ 661.012928] [] ops_init+0x364/0x3c8 [ 661.033434] [] ? __list_add+0x211/0x249 [ 661.053395] [] ? net_alloc_generic+0x64/0x64 [ 661.069396] [] register_pernet_operations+0x28a/0x3ea [ 661.090736] [] ? unregister_pernet_device+0x73/0x73 [ 661.112092] [] register_pernet_device+0x2f/0x6b [ 661.133712] [] net_dev_init+0x57c/0x61a [ 661.152350] [] ? netdev_boot_setup+0x232/0x232 [ 661.169797] [] ? netdev_boot_setup+0x232/0x232 [ 661.191777] [] do_one_initcall+0x16d/0x258 [ 661.210357] [] ? initcall_blacklisted+0x198/0x198 [ 661.241987] [] ? up_write+0x8c/0xd9 [ 661.260661] [] ? down_write_trylock+0x100/0x100 [ 661.283068] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 661.312146] [] kernel_init_freeable+0x457/0x518 [ 661.334306] [] kernel_init+0x16/0x181 [ 661.352238] [] ret_from_fork+0x1f/0x40 [ 661.383404] [] ? rest_init+0x8f/0x8f [ 661.442731] ================================================================================ [ 661.518565] ================================================================================ [ 661.549283] UBSAN: Undefined behaviour in net/core/dev.c:7188:20 [ 661.566035] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 661.600579] which requires 64 byte alignment [ 661.612667] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 661.636540] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 661.667190] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 661.695156] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 661.726145] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 661.750186] Call Trace: [ 661.760048] [] dump_stack+0xd7/0x132 [ 661.774628] [] ? arch_local_irq_restore+0x1b/0x1b [ 661.795512] [] ubsan_epilogue+0x12/0x53 [ 661.816249] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 661.840090] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 661.866325] [] register_netdevice+0x683/0xc2b [ 661.884807] [] register_netdev+0x21/0x2e [ 661.903997] [] loopback_net_init+0x82/0x150 [ 661.925105] [] ? loopback_xmit+0x341/0x341 [ 661.944298] [] ops_init+0x364/0x3c8 [ 661.960879] [] ? __list_add+0x211/0x249 [ 661.978665] [] ? net_alloc_generic+0x64/0x64 [ 662.000093] [] register_pernet_operations+0x28a/0x3ea [ 662.026416] [] ? unregister_pernet_device+0x73/0x73 [ 662.047201] [] register_pernet_device+0x2f/0x6b [ 662.068534] [] net_dev_init+0x57c/0x61a [ 662.089032] [] ? netdev_boot_setup+0x232/0x232 [ 662.109975] [] ? netdev_boot_setup+0x232/0x232 [ 662.130912] [] do_one_initcall+0x16d/0x258 [ 662.146880] [] ? initcall_blacklisted+0x198/0x198 [ 662.168678] [] ? up_write+0x8c/0xd9 [ 662.186601] [] ? down_write_trylock+0x100/0x100 [ 662.207507] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 662.229956] [] kernel_init_freeable+0x457/0x518 [ 662.252314] [] kernel_init+0x16/0x181 [ 662.271178] [] ret_from_fork+0x1f/0x40 [ 662.288876] [] ? rest_init+0x8f/0x8f [ 662.308355] ================================================================================ [ 662.340702] ================================================================================ [ 662.384835] UBSAN: Undefined behaviour in net/core/dev.c:7189:9 [ 662.403974] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 662.437471] which requires 64 byte alignment [ 662.454710] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 662.476145] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 662.506463] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 662.531452] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 662.559870] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 662.585322] Call Trace: [ 662.593272] [] dump_stack+0xd7/0x132 [ 662.611227] [] ? arch_local_irq_restore+0x1b/0x1b [ 662.634166] [] ubsan_epilogue+0x12/0x53 [ 662.655169] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 662.678577] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 662.701336] [] register_netdevice+0x6a8/0xc2b [ 662.724642] [] register_netdev+0x21/0x2e [ 662.744944] [] loopback_net_init+0x82/0x150 [ 662.763107] [] ? loopback_xmit+0x341/0x341 [ 662.784535] [] ops_init+0x364/0x3c8 [ 662.802331] [] ? __list_add+0x211/0x249 [ 662.822461] [] ? net_alloc_generic+0x64/0x64 [ 662.840648] [] register_pernet_operations+0x28a/0x3ea [ 662.863826] [] ? unregister_pernet_device+0x73/0x73 [ 662.885900] [] register_pernet_device+0x2f/0x6b [ 662.908361] [] net_dev_init+0x57c/0x61a [ 662.928061] [] ? netdev_boot_setup+0x232/0x232 [ 662.950858] [] ? netdev_boot_setup+0x232/0x232 [ 662.973013] [] do_one_initcall+0x16d/0x258 [ 662.993076] [] ? initcall_blacklisted+0x198/0x198 [ 663.013927] [] ? up_write+0x8c/0xd9 [ 663.032959] [] ? down_write_trylock+0x100/0x100 [ 663.054825] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 663.079133] [] kernel_init_freeable+0x457/0x518 [ 663.100980] [] kernel_init+0x16/0x181 [ 663.117936] [] ret_from_fork+0x1f/0x40 [ 663.138493] [] ? rest_init+0x8f/0x8f [ 663.156240] ================================================================================ [ 663.186706] ================================================================================ [ 663.214547] UBSAN: Undefined behaviour in net/core/dev.c:7191:9 [ 663.236482] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 663.267937] which requires 64 byte alignment [ 663.280927] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 663.302707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 663.331391] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 663.359814] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 663.383833] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 663.407884] Call Trace: [ 663.416788] [] dump_stack+0xd7/0x132 [ 663.438073] [] ? arch_local_irq_restore+0x1b/0x1b [ 663.460337] [] ubsan_epilogue+0x12/0x53 [ 663.479882] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 663.504234] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 663.529535] [] register_netdevice+0x725/0xc2b [ 663.548436] [] register_netdev+0x21/0x2e [ 663.567284] [] loopback_net_init+0x82/0x150 [ 663.587875] [] ? loopback_xmit+0x341/0x341 [ 663.610057] [] ops_init+0x364/0x3c8 [ 663.625816] [] ? __list_add+0x211/0x249 [ 663.645792] [] ? net_alloc_generic+0x64/0x64 [ 663.663723] [] register_pernet_operations+0x28a/0x3ea [ 663.686769] [] ? unregister_pernet_device+0x73/0x73 [ 663.707640] [] register_pernet_device+0x2f/0x6b [ 663.727649] [] net_dev_init+0x57c/0x61a [ 663.747253] [] ? netdev_boot_setup+0x232/0x232 [ 663.766589] [] ? netdev_boot_setup+0x232/0x232 [ 663.787132] [] do_one_initcall+0x16d/0x258 [ 663.805830] [] ? initcall_blacklisted+0x198/0x198 [ 663.828828] [] ? up_write+0x8c/0xd9 [ 663.847885] [] ? down_write_trylock+0x100/0x100 [ 663.866049] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 663.892987] [] kernel_init_freeable+0x457/0x518 [ 663.912559] [] kernel_init+0x16/0x181 [ 663.933873] [] ret_from_fork+0x1f/0x40 [ 663.953752] [] ? rest_init+0x8f/0x8f [ 663.969371] ================================================================================ [ 663.996669] ================================================================================ [ 664.027484] UBSAN: Undefined behaviour in net/core/dev.c:7193:9 [ 664.046218] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 664.077695] which requires 64 byte alignment [ 664.089972] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 664.109153] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 664.144253] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 664.171449] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 664.197150] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 664.225140] Call Trace: [ 664.233717] [] dump_stack+0xd7/0x132 [ 664.252907] [] ? arch_local_irq_restore+0x1b/0x1b [ 664.275230] [] ubsan_epilogue+0x12/0x53 [ 664.295823] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 664.317627] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 664.345973] [] register_netdevice+0x7a2/0xc2b [ 664.363301] [] register_netdev+0x21/0x2e [ 664.383137] [] loopback_net_init+0x82/0x150 [ 664.404990] [] ? loopback_xmit+0x341/0x341 [ 664.424088] [] ops_init+0x364/0x3c8 [ 664.448389] [] ? __list_add+0x211/0x249 [ 664.465168] [] ? net_alloc_generic+0x64/0x64 [ 664.485698] [] register_pernet_operations+0x28a/0x3ea [ 664.507665] [] ? unregister_pernet_device+0x73/0x73 [ 664.528429] [] register_pernet_device+0x2f/0x6b [ 664.552467] [] net_dev_init+0x57c/0x61a [ 664.568631] [] ? netdev_boot_setup+0x232/0x232 [ 664.589862] [] ? netdev_boot_setup+0x232/0x232 [ 664.610348] [] do_one_initcall+0x16d/0x258 [ 664.631358] [] ? initcall_blacklisted+0x198/0x198 [ 664.649129] [] ? up_write+0x8c/0xd9 [ 664.666466] [] ? down_write_trylock+0x100/0x100 [ 664.686746] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 664.708097] [] kernel_init_freeable+0x457/0x518 [ 664.728625] [] kernel_init+0x16/0x181 [ 664.748957] [] ret_from_fork+0x1f/0x40 [ 664.769285] [] ? rest_init+0x8f/0x8f [ 664.782838] ================================================================================ [ 664.809790] ================================================================================ [ 664.836516] UBSAN: Undefined behaviour in net/core/dev.c:7198:21 [ 664.859185] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 664.887842] which requires 64 byte alignment [ 664.905696] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 664.932993] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 664.964751] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 664.988878] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 665.017420] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 665.045385] Call Trace: [ 665.055623] [] dump_stack+0xd7/0x132 [ 665.077313] [] ? arch_local_irq_restore+0x1b/0x1b [ 665.097011] [] ubsan_epilogue+0x12/0x53 [ 665.114853] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 665.138521] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 665.167259] [] register_netdevice+0x81f/0xc2b [ 665.189505] [] register_netdev+0x21/0x2e [ 665.210275] [] loopback_net_init+0x82/0x150 [ 665.229901] [] ? loopback_xmit+0x341/0x341 [ 665.250868] [] ops_init+0x364/0x3c8 [ 665.269547] [] ? __list_add+0x211/0x249 [ 665.288526] [] ? net_alloc_generic+0x64/0x64 [ 665.308740] [] register_pernet_operations+0x28a/0x3ea [ 665.334891] [] ? unregister_pernet_device+0x73/0x73 [ 665.357477] [] register_pernet_device+0x2f/0x6b [ 665.381922] [] net_dev_init+0x57c/0x61a [ 665.399525] [] ? netdev_boot_setup+0x232/0x232 [ 665.417195] [] ? netdev_boot_setup+0x232/0x232 [ 665.437507] [] do_one_initcall+0x16d/0x258 [ 665.455924] [] ? initcall_blacklisted+0x198/0x198 [ 665.476574] [] ? up_write+0x8c/0xd9 [ 665.489689] [] ? down_write_trylock+0x100/0x100 [ 665.508839] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 665.529234] [] kernel_init_freeable+0x457/0x518 [ 665.553989] [] kernel_init+0x16/0x181 [ 665.572222] [] ret_from_fork+0x1f/0x40 [ 665.589466] [] ? rest_init+0x8f/0x8f [ 665.610234] ================================================================================ [ 665.643325] ================================================================================ [ 665.675430] UBSAN: Undefined behaviour in net/core/dev.c:7198:21 [ 665.696019] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 665.733146] which requires 64 byte alignment [ 665.748947] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 665.770018] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 665.828246] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 665.871515] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 665.907610] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 665.942912] Call Trace: [ 665.953727] [] dump_stack+0xd7/0x132 [ 665.968286] [] ? arch_local_irq_restore+0x1b/0x1b [ 665.990094] [] ubsan_epilogue+0x12/0x53 [ 666.007427] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 666.032031] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 666.059469] [] register_netdevice+0x843/0xc2b [ 666.080770] [] register_netdev+0x21/0x2e [ 666.097762] [] loopback_net_init+0x82/0x150 [ 666.118346] [] ? loopback_xmit+0x341/0x341 [ 666.141200] [] ops_init+0x364/0x3c8 [ 666.156777] [] ? __list_add+0x211/0x249 [ 666.182431] [] ? net_alloc_generic+0x64/0x64 [ 666.207842] [] register_pernet_operations+0x28a/0x3ea [ 666.235822] [] ? unregister_pernet_device+0x73/0x73 [ 666.263540] [] register_pernet_device+0x2f/0x6b [ 666.290570] [] net_dev_init+0x57c/0x61a [ 666.310199] [] ? netdev_boot_setup+0x232/0x232 [ 666.330574] [] ? netdev_boot_setup+0x232/0x232 [ 666.354504] [] do_one_initcall+0x16d/0x258 [ 666.373026] [] ? initcall_blacklisted+0x198/0x198 [ 666.401558] [] ? up_write+0x8c/0xd9 [ 666.417966] [] ? down_write_trylock+0x100/0x100 [ 666.442127] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 666.462705] [] kernel_init_freeable+0x457/0x518 [ 666.485107] [] kernel_init+0x16/0x181 [ 666.505060] [] ret_from_fork+0x1f/0x40 [ 666.522235] [] ? rest_init+0x8f/0x8f [ 666.536190] ================================================================================ [ 666.563950] ================================================================================ [ 666.593635] UBSAN: Undefined behaviour in net/core/dev.c:7202:23 [ 666.616064] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 666.646521] which requires 64 byte alignment [ 666.661208] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 666.680642] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 666.710128] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 666.736132] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 666.761971] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 666.788145] Call Trace: [ 666.796831] [] dump_stack+0xd7/0x132 [ 666.812092] [] ? arch_local_irq_restore+0x1b/0x1b [ 666.833200] [] ubsan_epilogue+0x12/0x53 [ 666.852780] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 666.876508] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 666.899842] [] register_netdevice+0x863/0xc2b [ 666.918021] [] register_netdev+0x21/0x2e [ 666.936532] [] loopback_net_init+0x82/0x150 [ 666.955647] [] ? loopback_xmit+0x341/0x341 [ 666.974476] [] ops_init+0x364/0x3c8 [ 666.993147] [] ? __list_add+0x211/0x249 [ 667.018482] [] ? net_alloc_generic+0x64/0x64 [ 667.040829] [] register_pernet_operations+0x28a/0x3ea [ 667.066403] [] ? unregister_pernet_device+0x73/0x73 [ 667.093442] [] register_pernet_device+0x2f/0x6b [ 667.118776] [] net_dev_init+0x57c/0x61a [ 667.141775] [] ? netdev_boot_setup+0x232/0x232 [ 667.167952] [] ? netdev_boot_setup+0x232/0x232 [ 667.193142] [] do_one_initcall+0x16d/0x258 [ 667.215111] [] ? initcall_blacklisted+0x198/0x198 [ 667.238559] [] ? up_write+0x8c/0xd9 [ 667.259722] [] ? down_write_trylock+0x100/0x100 [ 667.277850] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 667.300994] [] kernel_init_freeable+0x457/0x518 [ 667.320553] [] kernel_init+0x16/0x181 [ 667.342321] [] ret_from_fork+0x1f/0x40 [ 667.361597] [] ? rest_init+0x8f/0x8f [ 667.377905] ================================================================================ [ 667.411002] ================================================================================ [ 667.448075] UBSAN: Undefined behaviour in net/core/dev.c:7202:23 [ 667.467210] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 667.492503] which requires 64 byte alignment [ 667.507772] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 667.527289] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 667.561145] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 667.583993] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 667.611466] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 667.639838] Call Trace: [ 667.646963] [] dump_stack+0xd7/0x132 [ 667.664384] [] ? arch_local_irq_restore+0x1b/0x1b [ 667.686187] [] ubsan_epilogue+0x12/0x53 [ 667.705558] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 667.729935] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 667.755932] [] register_netdevice+0x88a/0xc2b [ 667.778880] [] register_netdev+0x21/0x2e [ 667.799810] [] loopback_net_init+0x82/0x150 [ 667.818703] [] ? loopback_xmit+0x341/0x341 [ 667.836308] [] ops_init+0x364/0x3c8 [ 667.853140] [] ? __list_add+0x211/0x249 [ 667.871519] [] ? net_alloc_generic+0x64/0x64 [ 667.891713] [] register_pernet_operations+0x28a/0x3ea [ 667.912114] [] ? unregister_pernet_device+0x73/0x73 [ 667.934536] [] register_pernet_device+0x2f/0x6b [ 667.953505] [] net_dev_init+0x57c/0x61a [ 667.970141] [] ? netdev_boot_setup+0x232/0x232 [ 667.990870] [] ? netdev_boot_setup+0x232/0x232 [ 668.014893] [] do_one_initcall+0x16d/0x258 [ 668.035320] [] ? initcall_blacklisted+0x198/0x198 [ 668.059103] [] ? up_write+0x8c/0xd9 [ 668.077351] [] ? down_write_trylock+0x100/0x100 [ 668.097269] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 668.123149] [] kernel_init_freeable+0x457/0x518 [ 668.147311] [] kernel_init+0x16/0x181 [ 668.166733] [] ret_from_fork+0x1f/0x40 [ 668.187676] [] ? rest_init+0x8f/0x8f [ 668.206669] ================================================================================ [ 668.232332] ================================================================================ [ 668.258426] UBSAN: Undefined behaviour in net/core/dev.c:7206:21 [ 668.276640] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 668.303540] which requires 64 byte alignment [ 668.315247] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 668.332173] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 668.364542] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 668.389234] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 668.414649] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 668.436992] Call Trace: [ 668.444734] [] dump_stack+0xd7/0x132 [ 668.462498] [] ? arch_local_irq_restore+0x1b/0x1b [ 668.482113] [] ubsan_epilogue+0x12/0x53 [ 668.501073] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 668.526371] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 668.555193] [] register_netdevice+0x8aa/0xc2b [ 668.580229] [] register_netdev+0x21/0x2e [ 668.601829] [] loopback_net_init+0x82/0x150 [ 668.627099] [] ? loopback_xmit+0x341/0x341 [ 668.649517] [] ops_init+0x364/0x3c8 [ 668.673233] [] ? __list_add+0x211/0x249 [ 668.695130] [] ? net_alloc_generic+0x64/0x64 [ 668.723024] [] register_pernet_operations+0x28a/0x3ea [ 668.748635] [] ? unregister_pernet_device+0x73/0x73 [ 668.773575] [] register_pernet_device+0x2f/0x6b [ 668.797429] [] net_dev_init+0x57c/0x61a [ 668.823079] [] ? netdev_boot_setup+0x232/0x232 [ 668.846545] [] ? netdev_boot_setup+0x232/0x232 [ 668.870870] [] do_one_initcall+0x16d/0x258 [ 668.895343] [] ? initcall_blacklisted+0x198/0x198 [ 668.919864] [] ? up_write+0x8c/0xd9 [ 668.937343] [] ? down_write_trylock+0x100/0x100 [ 668.961249] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 668.990902] [] kernel_init_freeable+0x457/0x518 [ 669.014387] [] kernel_init+0x16/0x181 [ 669.036747] [] ret_from_fork+0x1f/0x40 [ 669.062673] [] ? rest_init+0x8f/0x8f [ 669.083819] ================================================================================ [ 669.112395] ================================================================================ [ 669.141232] UBSAN: Undefined behaviour in net/core/dev.c:7206:21 [ 669.160469] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 669.189625] which requires 64 byte alignment [ 669.204037] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 669.220505] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 669.253254] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 669.278295] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 669.306176] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 669.337882] Call Trace: [ 669.353239] [] dump_stack+0xd7/0x132 [ 669.385481] [] ? arch_local_irq_restore+0x1b/0x1b [ 669.409394] [] ubsan_epilogue+0x12/0x53 [ 669.429361] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 669.456365] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 669.481363] [] register_netdevice+0x8ce/0xc2b [ 669.504271] [] register_netdev+0x21/0x2e [ 669.523958] [] loopback_net_init+0x82/0x150 [ 669.541839] [] ? loopback_xmit+0x341/0x341 [ 669.563670] [] ops_init+0x364/0x3c8 [ 669.582488] [] ? __list_add+0x211/0x249 [ 669.599256] [] ? net_alloc_generic+0x64/0x64 [ 669.622161] [] register_pernet_operations+0x28a/0x3ea [ 669.648398] [] ? unregister_pernet_device+0x73/0x73 [ 669.674396] [] register_pernet_device+0x2f/0x6b [ 669.698995] [] net_dev_init+0x57c/0x61a [ 669.724435] [] ? netdev_boot_setup+0x232/0x232 [ 669.746971] [] ? netdev_boot_setup+0x232/0x232 [ 669.772910] [] do_one_initcall+0x16d/0x258 [ 669.796100] [] ? initcall_blacklisted+0x198/0x198 [ 669.821824] [] ? up_write+0x8c/0xd9 [ 669.837603] [] ? down_write_trylock+0x100/0x100 [ 669.855868] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 669.876281] [] kernel_init_freeable+0x457/0x518 [ 669.894886] [] kernel_init+0x16/0x181 [ 669.909449] [] ret_from_fork+0x1f/0x40 [ 669.931999] [] ? rest_init+0x8f/0x8f [ 669.955410] ================================================================================ [ 669.997580] ================================================================================ [ 670.027735] UBSAN: Undefined behaviour in net/core/net-sysfs.c:1452:11 [ 670.054185] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 670.087725] which requires 64 byte alignment [ 670.106052] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 670.132109] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 670.169571] 00000000ffffffff 00000000b1a89c60 ffff88005c9df740 ffffffffb26ec5cc [ 670.203423] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 670.235057] ffffffff00000010 ffff88005c9df768 ffff88005c9df718 ffffffffb363c3e0 [ 670.267705] Call Trace: [ 670.275316] [] dump_stack+0xd7/0x132 [ 670.294634] [] ? arch_local_irq_restore+0x1b/0x1b [ 670.318737] [] ubsan_epilogue+0x12/0x53 [ 670.337729] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 670.368138] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 670.393598] [] ? dev_uevent+0x5b3/0x92b [ 670.414348] [] ? net_grab_current_ns+0x82/0x82 [ 670.435989] [] netdev_uevent+0x55/0x8a [ 670.458172] [] ? dev_uevent+0x5b3/0x92b [ 670.481514] [] dev_uevent+0x605/0x92b [ 670.501653] [] ? device_get_devnode+0x4bc/0x4bc [ 670.524363] [] ? kasan_kmalloc+0x94/0xa3 [ 670.546455] [] ? add_uevent_var+0x360/0x3a3 [ 670.570453] [] ? kobj_bcast_filter+0x201/0x201 [ 670.596741] [] ? strncpy+0x62/0x81 [ 670.615889] [] ? device_get_devnode+0x4bc/0x4bc [ 670.639721] [] kobject_uevent_env+0x4f4/0xe00 [ 670.663271] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 670.684263] [] kobject_uevent+0x22/0x24 [ 670.703408] [] device_add+0x9af/0x127e [ 670.724288] [] ? device_private_init+0x221/0x221 [ 670.744505] [] ? device_release+0x2e3/0x2e3 [ 670.767491] [] ? call_netdevice_notifiers_info+0x7c/0x83 [ 670.792752] [] ? call_netdevice_notifiers+0x75/0x97 [ 670.821623] [] netdev_register_kobject+0x13d/0x2a3 [ 670.843997] [] register_netdevice+0x90a/0xc2b [ 670.867139] [] register_netdev+0x21/0x2e [ 670.929682] [] loopback_net_init+0x82/0x150 [ 670.976396] [] ? loopback_xmit+0x341/0x341 [ 671.008455] [] ops_init+0x364/0x3c8 [ 671.029559] [] ? __list_add+0x211/0x249 [ 671.058568] [] ? net_alloc_generic+0x64/0x64 [ 671.083646] [] register_pernet_operations+0x28a/0x3ea [ 671.114286] [] ? unregister_pernet_device+0x73/0x73 [ 671.138059] [] register_pernet_device+0x2f/0x6b [ 671.159445] [] net_dev_init+0x57c/0x61a [ 671.177112] [] ? netdev_boot_setup+0x232/0x232 [ 671.196105] [] ? netdev_boot_setup+0x232/0x232 [ 671.302285] [] do_one_initcall+0x16d/0x258 [ 671.323734] [] ? initcall_blacklisted+0x198/0x198 [ 671.345180] [] ? up_write+0x8c/0xd9 [ 671.362505] [] ? down_write_trylock+0x100/0x100 [ 671.384785] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 671.409920] [] kernel_init_freeable+0x457/0x518 [ 671.430157] [] kernel_init+0x16/0x181 [ 671.447044] [] ret_from_fork+0x1f/0x40 [ 671.464056] [] ? rest_init+0x8f/0x8f [ 671.483194] ================================================================================ [ 671.513793] ================================================================================ [ 671.545280] UBSAN: Undefined behaviour in net/core/net-sysfs.c:1360:19 [ 671.565890] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 671.598675] which requires 64 byte alignment [ 671.615177] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 671.637409] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 671.677974] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa48 ffffffffb26ec5cc [ 671.708128] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 671.741904] 0000000000000010 ffff88005c9dfa70 ffff88005c9dfa20 ffffffffb363c3e0 [ 671.772988] Call Trace: [ 671.783472] [] dump_stack+0xd7/0x132 [ 671.809809] [] ? arch_local_irq_restore+0x1b/0x1b [ 671.837299] [] ubsan_epilogue+0x12/0x53 [ 671.866220] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 671.899615] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 671.928512] [] netdev_register_kobject+0x17e/0x2a3 [ 671.957384] [] register_netdevice+0x90a/0xc2b [ 671.993532] [] register_netdev+0x21/0x2e [ 672.023826] [] loopback_net_init+0x82/0x150 [ 672.046784] [] ? loopback_xmit+0x341/0x341 [ 672.065277] [] ops_init+0x364/0x3c8 [ 672.082928] [] ? __list_add+0x211/0x249 [ 672.103879] [] ? net_alloc_generic+0x64/0x64 [ 672.127274] [] register_pernet_operations+0x28a/0x3ea [ 672.148637] [] ? unregister_pernet_device+0x73/0x73 [ 672.169121] [] register_pernet_device+0x2f/0x6b [ 672.189748] [] net_dev_init+0x57c/0x61a [ 672.213528] [] ? netdev_boot_setup+0x232/0x232 [ 672.234148] [] ? netdev_boot_setup+0x232/0x232 [ 672.254484] [] do_one_initcall+0x16d/0x258 [ 672.275252] [] ? initcall_blacklisted+0x198/0x198 [ 672.295246] [] ? up_write+0x8c/0xd9 [ 672.315156] [] ? down_write_trylock+0x100/0x100 [ 672.342123] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 672.368286] [] kernel_init_freeable+0x457/0x518 [ 672.387755] [] kernel_init+0x16/0x181 [ 672.408661] [] ret_from_fork+0x1f/0x40 [ 672.430714] [] ? rest_init+0x8f/0x8f [ 672.448296] ================================================================================ [ 672.476075] ================================================================================ [ 672.508615] UBSAN: Undefined behaviour in net/core/net-sysfs.c:1362:10 [ 672.530732] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 672.642238] which requires 64 byte alignment [ 672.663597] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 672.690880] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 672.729401] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa48 ffffffffb26ec5cc [ 672.757746] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 672.788254] ffffffff00000010 ffff88005c9dfa70 ffff88005c9dfa20 ffffffffb363c3e0 [ 672.828191] Call Trace: [ 672.839428] [] dump_stack+0xd7/0x132 [ 672.863527] [] ? arch_local_irq_restore+0x1b/0x1b [ 672.895910] [] ubsan_epilogue+0x12/0x53 [ 672.929875] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 672.958787] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 672.985582] [] netdev_register_kobject+0x1aa/0x2a3 [ 673.007591] [] register_netdevice+0x90a/0xc2b [ 673.027909] [] register_netdev+0x21/0x2e [ 673.046533] [] loopback_net_init+0x82/0x150 [ 673.065059] [] ? loopback_xmit+0x341/0x341 [ 673.086417] [] ops_init+0x364/0x3c8 [ 673.104354] [] ? __list_add+0x211/0x249 [ 673.121695] [] ? net_alloc_generic+0x64/0x64 [ 673.141933] [] register_pernet_operations+0x28a/0x3ea [ 673.161861] [] ? unregister_pernet_device+0x73/0x73 [ 673.184081] [] register_pernet_device+0x2f/0x6b [ 673.204620] [] net_dev_init+0x57c/0x61a [ 673.225314] [] ? netdev_boot_setup+0x232/0x232 [ 673.249613] [] ? netdev_boot_setup+0x232/0x232 [ 673.270454] [] do_one_initcall+0x16d/0x258 [ 673.291128] [] ? initcall_blacklisted+0x198/0x198 [ 673.312047] [] ? up_write+0x8c/0xd9 [ 673.330707] [] ? down_write_trylock+0x100/0x100 [ 673.353830] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 673.377854] [] kernel_init_freeable+0x457/0x518 [ 673.400511] [] kernel_init+0x16/0x181 [ 673.414842] [] ret_from_fork+0x1f/0x40 [ 673.432795] [] ? rest_init+0x8f/0x8f [ 673.450748] ================================================================================ [ 673.478818] ================================================================================ [ 673.508883] UBSAN: Undefined behaviour in net/core/net-sysfs.c:1364:15 [ 673.529744] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 673.560103] which requires 64 byte alignment [ 673.573230] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 673.592894] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 673.626508] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa48 ffffffffb26ec5cc [ 673.654880] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 673.679405] ffffffff00000010 ffff88005c9dfa70 ffff88005c9dfa20 ffffffffb363c3e0 [ 673.705157] Call Trace: [ 673.714039] [] dump_stack+0xd7/0x132 [ 673.736393] [] ? arch_local_irq_restore+0x1b/0x1b [ 673.757121] [] ubsan_epilogue+0x12/0x53 [ 673.778194] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 673.804980] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 673.835233] [] netdev_register_kobject+0x1d1/0x2a3 [ 673.858148] [] register_netdevice+0x90a/0xc2b [ 673.880304] [] register_netdev+0x21/0x2e [ 673.901100] [] loopback_net_init+0x82/0x150 [ 673.923963] [] ? loopback_xmit+0x341/0x341 [ 673.943821] [] ops_init+0x364/0x3c8 [ 673.961946] [] ? __list_add+0x211/0x249 [ 673.982205] [] ? net_alloc_generic+0x64/0x64 [ 674.008529] [] register_pernet_operations+0x28a/0x3ea [ 674.032811] [] ? unregister_pernet_device+0x73/0x73 [ 674.055799] [] register_pernet_device+0x2f/0x6b [ 674.084137] [] net_dev_init+0x57c/0x61a [ 674.105915] [] ? netdev_boot_setup+0x232/0x232 [ 674.129223] [] ? netdev_boot_setup+0x232/0x232 [ 674.151835] [] do_one_initcall+0x16d/0x258 [ 674.173711] [] ? initcall_blacklisted+0x198/0x198 [ 674.197814] [] ? up_write+0x8c/0xd9 [ 674.349496] [] ? down_write_trylock+0x100/0x100 [ 674.395121] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 674.441261] [] kernel_init_freeable+0x457/0x518 [ 674.492929] [] kernel_init+0x16/0x181 [ 674.588056] [] ret_from_fork+0x1f/0x40 [ 674.640732] [] ? rest_init+0x8f/0x8f [ 674.666853] ================================================================================ [ 674.712174] ================================================================================ [ 674.741270] UBSAN: Undefined behaviour in net/core/net-sysfs.c:1366:15 [ 674.767484] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 674.797087] which requires 64 byte alignment [ 674.815450] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 674.841208] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 674.878131] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa48 ffffffffb26ec5cc [ 674.908721] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 674.933183] ffffffff00000010 ffff88005c9dfa70 ffff88005c9dfa20 ffffffffb363c3e0 [ 674.959496] Call Trace: [ 674.970210] [] dump_stack+0xd7/0x132 [ 674.991063] [] ? arch_local_irq_restore+0x1b/0x1b [ 675.023554] [] ubsan_epilogue+0x12/0x53 [ 675.048690] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 675.082624] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 675.113594] [] netdev_register_kobject+0x1fd/0x2a3 [ 675.144497] [] register_netdevice+0x90a/0xc2b [ 675.167464] [] register_netdev+0x21/0x2e [ 675.196340] [] loopback_net_init+0x82/0x150 [ 675.224107] [] ? loopback_xmit+0x341/0x341 [ 675.250745] [] ops_init+0x364/0x3c8 [ 675.275609] [] ? __list_add+0x211/0x249 [ 675.302592] [] ? net_alloc_generic+0x64/0x64 [ 675.327810] [] register_pernet_operations+0x28a/0x3ea [ 675.351480] [] ? unregister_pernet_device+0x73/0x73 [ 675.376656] [] register_pernet_device+0x2f/0x6b [ 675.395144] [] net_dev_init+0x57c/0x61a [ 675.410471] [] ? netdev_boot_setup+0x232/0x232 [ 675.428267] [] ? netdev_boot_setup+0x232/0x232 [ 675.449780] [] do_one_initcall+0x16d/0x258 [ 675.467631] [] ? initcall_blacklisted+0x198/0x198 [ 675.487480] [] ? up_write+0x8c/0xd9 [ 675.504792] [] ? down_write_trylock+0x100/0x100 [ 675.524258] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 675.550468] [] kernel_init_freeable+0x457/0x518 [ 675.570802] [] kernel_init+0x16/0x181 [ 675.587750] [] ret_from_fork+0x1f/0x40 [ 675.606897] [] ? rest_init+0x8f/0x8f [ 675.626877] ================================================================================ [ 675.657437] ================================================================================ [ 675.688019] UBSAN: Undefined behaviour in net/core/net-sysfs.c:907:37 [ 675.714783] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 675.757461] which requires 64 byte alignment [ 675.777855] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 675.806967] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 675.849682] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9f0 ffffffffb26ec5cc [ 675.873378] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 675.896903] ffffffff00000010 ffff88005c9dfa18 ffff88005c9df9c8 ffffffffb363c3e0 [ 675.933174] Call Trace: [ 675.942411] [] dump_stack+0xd7/0x132 [ 675.957009] [] ? arch_local_irq_restore+0x1b/0x1b [ 675.974520] [] ubsan_epilogue+0x12/0x53 [ 675.988536] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 676.010928] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 676.033513] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 676.061203] [] net_rx_queue_update_kobjects+0x5b/0x34f [ 676.082471] [] netdev_register_kobject+0x21f/0x2a3 [ 676.103141] [] register_netdevice+0x90a/0xc2b [ 676.123199] [] register_netdev+0x21/0x2e [ 676.141024] [] loopback_net_init+0x82/0x150 [ 676.160723] [] ? loopback_xmit+0x341/0x341 [ 676.182635] [] ops_init+0x364/0x3c8 [ 676.228659] [] ? __list_add+0x211/0x249 [ 676.255168] [] ? net_alloc_generic+0x64/0x64 [ 676.281269] [] register_pernet_operations+0x28a/0x3ea [ 676.312525] [] ? unregister_pernet_device+0x73/0x73 [ 676.347159] [] register_pernet_device+0x2f/0x6b [ 676.366302] [] net_dev_init+0x57c/0x61a [ 676.385425] [] ? netdev_boot_setup+0x232/0x232 [ 676.406851] [] ? netdev_boot_setup+0x232/0x232 [ 676.439232] [] do_one_initcall+0x16d/0x258 [ 676.465935] [] ? initcall_blacklisted+0x198/0x198 [ 676.497032] [] ? up_write+0x8c/0xd9 [ 676.520914] [] ? down_write_trylock+0x100/0x100 [ 676.550873] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 676.580809] [] kernel_init_freeable+0x457/0x518 [ 676.606029] [] kernel_init+0x16/0x181 [ 676.626081] [] ret_from_fork+0x1f/0x40 [ 676.644530] [] ? rest_init+0x8f/0x8f [ 676.666457] ================================================================================ [ 676.698617] ================================================================================ [ 676.729359] UBSAN: Undefined behaviour in net/core/net-sysfs.c:911:18 [ 676.760776] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 676.801984] which requires 64 byte alignment [ 676.821406] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 676.847844] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 677.004706] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9f0 ffffffffb26ec5cc [ 677.041547] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 677.076830] ffff880000000010 ffff88005c9dfa18 ffff88005c9df9c8 ffffffffb363c3e0 [ 677.112264] Call Trace: [ 677.126224] [] dump_stack+0xd7/0x132 [ 677.150349] [] ? arch_local_irq_restore+0x1b/0x1b [ 677.174949] [] ubsan_epilogue+0x12/0x53 [ 677.201523] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 677.232278] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 677.266098] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 677.303154] [] net_rx_queue_update_kobjects+0x9b/0x34f [ 677.331379] [] netdev_register_kobject+0x21f/0x2a3 [ 677.364277] [] register_netdevice+0x90a/0xc2b [ 677.390141] [] register_netdev+0x21/0x2e [ 677.419531] [] loopback_net_init+0x82/0x150 [ 677.444408] [] ? loopback_xmit+0x341/0x341 [ 677.472116] [] ops_init+0x364/0x3c8 [ 677.492280] [] ? __list_add+0x211/0x249 [ 677.509568] [] ? net_alloc_generic+0x64/0x64 [ 677.528761] [] register_pernet_operations+0x28a/0x3ea [ 677.550316] [] ? unregister_pernet_device+0x73/0x73 [ 677.571871] [] register_pernet_device+0x2f/0x6b [ 677.588051] [] net_dev_init+0x57c/0x61a [ 677.603616] [] ? netdev_boot_setup+0x232/0x232 [ 677.623763] [] ? netdev_boot_setup+0x232/0x232 [ 677.640993] [] do_one_initcall+0x16d/0x258 [ 677.661040] [] ? initcall_blacklisted+0x198/0x198 [ 677.683352] [] ? up_write+0x8c/0xd9 [ 677.699026] [] ? down_write_trylock+0x100/0x100 [ 677.716240] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 677.741032] [] kernel_init_freeable+0x457/0x518 [ 677.766151] [] kernel_init+0x16/0x181 [ 677.792472] [] ret_from_fork+0x1f/0x40 [ 677.815892] [] ? rest_init+0x8f/0x8f [ 677.896582] ================================================================================ [ 677.938601] ================================================================================ [ 677.971744] UBSAN: Undefined behaviour in net/core/net-sysfs.c:917:9 [ 677.993082] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 678.020895] which requires 64 byte alignment [ 678.032071] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 678.050315] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 678.082691] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9f0 ffffffffb26ec5cc [ 678.107005] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 678.133909] ffffffff00000010 ffff88005c9dfa18 ffff88005c9df9c8 ffffffffb363c3e0 [ 678.159836] Call Trace: [ 678.166404] [] dump_stack+0xd7/0x132 [ 678.184462] [] ? arch_local_irq_restore+0x1b/0x1b [ 678.206783] [] ubsan_epilogue+0x12/0x53 [ 678.227931] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 678.260510] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 678.323443] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 678.355045] [] net_rx_queue_update_kobjects+0x11b/0x34f [ 678.388116] [] netdev_register_kobject+0x21f/0x2a3 [ 678.417738] [] register_netdevice+0x90a/0xc2b [ 678.446555] [] register_netdev+0x21/0x2e [ 678.474625] [] loopback_net_init+0x82/0x150 [ 678.500160] [] ? loopback_xmit+0x341/0x341 [ 678.519734] [] ops_init+0x364/0x3c8 [ 678.534835] [] ? __list_add+0x211/0x249 [ 678.553027] [] ? net_alloc_generic+0x64/0x64 [ 678.572197] [] register_pernet_operations+0x28a/0x3ea [ 678.590284] [] ? unregister_pernet_device+0x73/0x73 [ 678.607892] [] register_pernet_device+0x2f/0x6b [ 678.627604] [] net_dev_init+0x57c/0x61a [ 678.646190] [] ? netdev_boot_setup+0x232/0x232 [ 678.678118] [] ? netdev_boot_setup+0x232/0x232 [ 678.696504] [] do_one_initcall+0x16d/0x258 [ 678.716775] [] ? initcall_blacklisted+0x198/0x198 [ 678.744125] [] ? up_write+0x8c/0xd9 [ 678.765817] [] ? down_write_trylock+0x100/0x100 [ 678.794963] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 678.823607] [] kernel_init_freeable+0x457/0x518 [ 678.849190] [] kernel_init+0x16/0x181 [ 678.871224] [] ret_from_fork+0x1f/0x40 [ 678.892484] [] ? rest_init+0x8f/0x8f [ 678.907599] ================================================================================ [ 678.932348] ================================================================================ [ 678.957146] UBSAN: Undefined behaviour in net/core/net-sysfs.c:924:2 [ 678.974658] member access within misaligned address ffff8800a2441628 for type 'struct netdev_rx_queue' [ 679.011815] which requires 64 byte alignment [ 679.027241] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 679.047661] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 679.075556] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9f0 ffffffffb26ec5cc [ 679.114522] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 679.253524] ffff880000000010 ffff88005c9dfa18 ffff88005c9df9c8 ffffffffb363c3e0 [ 679.318205] Call Trace: [ 679.326046] [] dump_stack+0xd7/0x132 [ 679.344469] [] ? arch_local_irq_restore+0x1b/0x1b [ 679.370110] [] ubsan_epilogue+0x12/0x53 [ 679.386990] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 679.418205] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 679.443829] [] net_rx_queue_update_kobjects+0x160/0x34f [ 679.466302] [] netdev_register_kobject+0x21f/0x2a3 [ 679.489585] [] register_netdevice+0x90a/0xc2b [ 679.511019] [] register_netdev+0x21/0x2e [ 679.531980] [] loopback_net_init+0x82/0x150 [ 679.553631] [] ? loopback_xmit+0x341/0x341 [ 679.569541] [] ops_init+0x364/0x3c8 [ 679.587039] [] ? __list_add+0x211/0x249 [ 679.601591] [] ? net_alloc_generic+0x64/0x64 [ 679.622133] [] register_pernet_operations+0x28a/0x3ea [ 679.642528] [] ? unregister_pernet_device+0x73/0x73 [ 679.663748] [] register_pernet_device+0x2f/0x6b [ 679.684509] [] net_dev_init+0x57c/0x61a [ 679.726821] [] ? netdev_boot_setup+0x232/0x232 [ 680.009413] [] ? netdev_boot_setup+0x232/0x232 [ 680.130349] [] do_one_initcall+0x16d/0x258 [ 680.180077] [] ? initcall_blacklisted+0x198/0x198 [ 680.205379] [] ? up_write+0x8c/0xd9 [ 680.229837] [] ? down_write_trylock+0x100/0x100 [ 680.262789] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 680.294550] [] kernel_init_freeable+0x457/0x518 [ 680.325293] [] kernel_init+0x16/0x181 [ 680.348509] [] ret_from_fork+0x1f/0x40 [ 680.377415] [] ? rest_init+0x8f/0x8f [ 680.398483] ================================================================================ [ 680.444109] ================================================================================ [ 680.485064] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:3368:2 [ 680.524576] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 680.567435] which requires 64 byte alignment [ 680.590200] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 680.623353] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 680.664342] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9f0 ffffffffb26ec5cc [ 680.699049] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 680.731291] ffff880000000010 ffff88005c9dfa18 ffff88005c9df9c8 ffffffffb363c3e0 [ 680.772553] Call Trace: [ 680.786723] [] dump_stack+0xd7/0x132 [ 680.806605] [] ? arch_local_irq_restore+0x1b/0x1b [ 680.830202] [] ubsan_epilogue+0x12/0x53 [ 680.849284] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 680.878092] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 680.905859] [] net_rx_queue_update_kobjects+0x187/0x34f [ 680.930271] [] netdev_register_kobject+0x21f/0x2a3 [ 680.952453] [] register_netdevice+0x90a/0xc2b [ 680.976432] [] register_netdev+0x21/0x2e [ 680.996396] [] loopback_net_init+0x82/0x150 [ 681.021079] [] ? loopback_xmit+0x341/0x341 [ 681.042391] [] ops_init+0x364/0x3c8 [ 681.061569] [] ? __list_add+0x211/0x249 [ 681.099064] [] ? net_alloc_generic+0x64/0x64 [ 681.123991] [] register_pernet_operations+0x28a/0x3ea [ 681.148573] [] ? unregister_pernet_device+0x73/0x73 [ 681.169326] [] register_pernet_device+0x2f/0x6b [ 681.187973] [] net_dev_init+0x57c/0x61a [ 681.210363] [] ? netdev_boot_setup+0x232/0x232 [ 681.232139] [] ? netdev_boot_setup+0x232/0x232 [ 681.251486] [] do_one_initcall+0x16d/0x258 [ 681.269092] [] ? initcall_blacklisted+0x198/0x198 [ 681.289794] [] ? up_write+0x8c/0xd9 [ 681.307700] [] ? down_write_trylock+0x100/0x100 [ 681.325258] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 681.348702] [] kernel_init_freeable+0x457/0x518 [ 681.367947] [] kernel_init+0x16/0x181 [ 681.384884] [] ret_from_fork+0x1f/0x40 [ 681.400177] [] ? rest_init+0x8f/0x8f [ 681.417203] ================================================================================ [ 681.452893] ================================================================================ [ 681.485068] UBSAN: Undefined behaviour in net/core/net-sysfs.c:1299:34 [ 681.516320] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 681.557462] which requires 64 byte alignment [ 681.576243] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 681.607953] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 681.646134] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9f8 ffffffffb26ec5cc [ 681.673991] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 681.699797] 0000000000000010 ffff88005c9dfa20 ffff88005c9df9d0 ffffffffb363c3e0 [ 681.727832] Call Trace: [ 681.734858] [] dump_stack+0xd7/0x132 [ 681.753809] [] ? arch_local_irq_restore+0x1b/0x1b [ 681.827938] [] ubsan_epilogue+0x12/0x53 [ 681.901600] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 681.975998] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 682.007535] [] netdev_queue_update_kobjects+0x59/0x262 [ 682.033742] [] netdev_register_kobject+0x238/0x2a3 [ 682.055523] [] register_netdevice+0x90a/0xc2b [ 682.073562] [] register_netdev+0x21/0x2e [ 682.091762] [] loopback_net_init+0x82/0x150 [ 682.109672] [] ? loopback_xmit+0x341/0x341 [ 682.129914] [] ops_init+0x364/0x3c8 [ 682.144734] [] ? __list_add+0x211/0x249 [ 682.163964] [] ? net_alloc_generic+0x64/0x64 [ 682.181001] [] register_pernet_operations+0x28a/0x3ea [ 682.202923] [] ? unregister_pernet_device+0x73/0x73 [ 682.227786] [] register_pernet_device+0x2f/0x6b [ 682.245768] [] net_dev_init+0x57c/0x61a [ 682.259962] [] ? netdev_boot_setup+0x232/0x232 [ 682.291287] [] ? netdev_boot_setup+0x232/0x232 [ 682.307704] [] do_one_initcall+0x16d/0x258 [ 682.325206] [] ? initcall_blacklisted+0x198/0x198 [ 682.349270] [] ? up_write+0x8c/0xd9 [ 682.363562] [] ? down_write_trylock+0x100/0x100 [ 682.383824] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 682.406992] [] kernel_init_freeable+0x457/0x518 [ 682.426933] [] kernel_init+0x16/0x181 [ 682.442871] [] ret_from_fork+0x1f/0x40 [ 682.461868] [] ? rest_init+0x8f/0x8f [ 682.477325] ================================================================================ [ 682.504607] ================================================================================ [ 682.533540] UBSAN: Undefined behaviour in net/core/net-sysfs.c:1303:18 [ 682.556002] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 682.643504] which requires 64 byte alignment [ 682.659025] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 683.008094] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 683.354316] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9f8 ffffffffb26ec5cc [ 683.404350] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 683.639186] ffffffff00000010 ffff88005c9dfa20 ffff88005c9df9d0 ffffffffb363c3e0 [ 683.817342] Call Trace: [ 683.824651] [] dump_stack+0xd7/0x132 [ 683.890704] [] ? arch_local_irq_restore+0x1b/0x1b [ 683.995796] [] ubsan_epilogue+0x12/0x53 [ 684.014459] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 684.074701] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 684.155841] [] netdev_queue_update_kobjects+0x9b/0x262 [ 684.191881] [] netdev_register_kobject+0x238/0x2a3 [ 684.215531] [] register_netdevice+0x90a/0xc2b [ 684.240483] [] register_netdev+0x21/0x2e [ 684.264059] [] loopback_net_init+0x82/0x150 [ 684.290373] [] ? loopback_xmit+0x341/0x341 [ 684.314194] [] ops_init+0x364/0x3c8 [ 684.335130] [] ? __list_add+0x211/0x249 [ 684.357379] [] ? net_alloc_generic+0x64/0x64 [ 684.379811] [] register_pernet_operations+0x28a/0x3ea [ 684.407179] [] ? unregister_pernet_device+0x73/0x73 [ 684.446089] [] register_pernet_device+0x2f/0x6b [ 684.472604] [] net_dev_init+0x57c/0x61a [ 684.494674] [] ? netdev_boot_setup+0x232/0x232 [ 684.518205] [] ? netdev_boot_setup+0x232/0x232 [ 684.538847] [] do_one_initcall+0x16d/0x258 [ 684.559728] [] ? initcall_blacklisted+0x198/0x198 [ 684.581365] [] ? up_write+0x8c/0xd9 [ 684.602117] [] ? down_write_trylock+0x100/0x100 [ 684.629354] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 684.662643] [] kernel_init_freeable+0x457/0x518 [ 684.683357] [] kernel_init+0x16/0x181 [ 684.704684] [] ret_from_fork+0x1f/0x40 [ 684.725460] [] ? rest_init+0x8f/0x8f [ 685.017689] ================================================================================ [ 685.058190] ================================================================================ [ 685.092355] UBSAN: Undefined behaviour in net/core/net-sysfs.c:1316:2 [ 685.123016] member access within misaligned address ffff88005bdaf8e0 for type 'struct netdev_queue' [ 685.157467] which requires 64 byte alignment [ 685.177865] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 685.201000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 685.239407] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9f8 ffffffffb26ec5cc [ 685.270624] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 685.302796] ffff880000000010 ffff88005c9dfa20 ffff88005c9df9d0 ffffffffb363c3e0 [ 685.334743] Call Trace: [ 685.346526] [] dump_stack+0xd7/0x132 [ 685.364429] [] ? arch_local_irq_restore+0x1b/0x1b [ 685.389819] [] ubsan_epilogue+0x12/0x53 [ 685.411166] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 685.444556] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 685.475059] [] netdev_queue_update_kobjects+0x145/0x262 [ 685.505306] [] netdev_register_kobject+0x238/0x2a3 [ 685.533318] [] register_netdevice+0x90a/0xc2b [ 685.559902] [] register_netdev+0x21/0x2e [ 685.580503] [] loopback_net_init+0x82/0x150 [ 685.603089] [] ? loopback_xmit+0x341/0x341 [ 685.623786] [] ops_init+0x364/0x3c8 [ 685.639918] [] ? __list_add+0x211/0x249 [ 685.662661] [] ? net_alloc_generic+0x64/0x64 [ 685.693022] [] register_pernet_operations+0x28a/0x3ea [ 685.725078] [] ? unregister_pernet_device+0x73/0x73 [ 685.761287] [] register_pernet_device+0x2f/0x6b [ 685.787051] [] net_dev_init+0x57c/0x61a [ 685.814062] [] ? netdev_boot_setup+0x232/0x232 [ 685.836786] [] ? netdev_boot_setup+0x232/0x232 [ 685.861300] [] do_one_initcall+0x16d/0x258 [ 685.882418] [] ? initcall_blacklisted+0x198/0x198 [ 685.911575] [] ? up_write+0x8c/0xd9 [ 685.931014] [] ? down_write_trylock+0x100/0x100 [ 685.960289] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 685.988397] [] kernel_init_freeable+0x457/0x518 [ 686.010804] [] kernel_init+0x16/0x181 [ 686.030432] [] ret_from_fork+0x1f/0x40 [ 686.050419] [] ? rest_init+0x8f/0x8f [ 686.072601] ================================================================================ [ 686.105111] ================================================================================ [ 686.138783] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:3368:2 [ 686.168385] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 686.210501] which requires 64 byte alignment [ 686.229223] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 686.260366] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 686.304536] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9f8 ffffffffb26ec5cc [ 686.334278] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 686.369980] ffffffff00000010 ffff88005c9dfa20 ffff88005c9df9d0 ffffffffb363c3e0 [ 686.400249] Call Trace: [ 686.413997] [] dump_stack+0xd7/0x132 [ 686.445257] [] ? arch_local_irq_restore+0x1b/0x1b [ 686.471625] [] ubsan_epilogue+0x12/0x53 [ 686.494965] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 686.523917] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 686.551597] [] netdev_queue_update_kobjects+0x16b/0x262 [ 686.577906] [] netdev_register_kobject+0x238/0x2a3 [ 686.601661] [] register_netdevice+0x90a/0xc2b [ 686.623531] [] register_netdev+0x21/0x2e [ 686.644180] [] loopback_net_init+0x82/0x150 [ 686.664784] [] ? loopback_xmit+0x341/0x341 [ 686.686388] [] ops_init+0x364/0x3c8 [ 686.705437] [] ? __list_add+0x211/0x249 [ 686.725768] [] ? net_alloc_generic+0x64/0x64 [ 686.746719] [] register_pernet_operations+0x28a/0x3ea [ 686.770369] [] ? unregister_pernet_device+0x73/0x73 [ 686.793419] [] register_pernet_device+0x2f/0x6b [ 686.816023] [] net_dev_init+0x57c/0x61a [ 686.832697] [] ? netdev_boot_setup+0x232/0x232 [ 686.857993] [] ? netdev_boot_setup+0x232/0x232 [ 686.884497] [] do_one_initcall+0x16d/0x258 [ 686.909246] [] ? initcall_blacklisted+0x198/0x198 [ 686.933474] [] ? up_write+0x8c/0xd9 [ 686.965789] [] ? down_write_trylock+0x100/0x100 [ 686.992174] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 687.023891] [] kernel_init_freeable+0x457/0x518 [ 687.048212] [] kernel_init+0x16/0x181 [ 687.070475] [] ret_from_fork+0x1f/0x40 [ 687.090577] [] ? rest_init+0x8f/0x8f [ 687.109811] ================================================================================ [ 687.145497] ================================================================================ [ 687.180637] UBSAN: Undefined behaviour in net/core/dev.c:7216:17 [ 687.204917] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 687.242625] which requires 64 byte alignment [ 687.258973] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 687.282605] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 687.320680] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 687.346411] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 687.375202] ffff880000000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 687.404767] Call Trace: [ 687.412106] [] dump_stack+0xd7/0x132 [ 687.439192] [] ? arch_local_irq_restore+0x1b/0x1b [ 687.467354] [] ubsan_epilogue+0x12/0x53 [ 687.491222] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 687.520153] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 687.551543] [] ? pm_runtime_set_memalloc_noio+0xca/0x131 [ 687.581704] [] ? netdev_register_kobject+0x294/0x2a3 [ 687.607026] [] register_netdevice+0x9d6/0xc2b [ 687.628738] [] register_netdev+0x21/0x2e [ 687.649139] [] loopback_net_init+0x82/0x150 [ 687.670193] [] ? loopback_xmit+0x341/0x341 [ 687.691144] [] ops_init+0x364/0x3c8 [ 687.709165] [] ? __list_add+0x211/0x249 [ 687.731327] [] ? net_alloc_generic+0x64/0x64 [ 687.763003] [] register_pernet_operations+0x28a/0x3ea [ 687.787172] [] ? unregister_pernet_device+0x73/0x73 [ 687.813580] [] register_pernet_device+0x2f/0x6b [ 687.842419] [] net_dev_init+0x57c/0x61a [ 687.865368] [] ? netdev_boot_setup+0x232/0x232 [ 687.891874] [] ? netdev_boot_setup+0x232/0x232 [ 687.927237] [] do_one_initcall+0x16d/0x258 [ 687.953976] [] ? initcall_blacklisted+0x198/0x198 [ 687.985063] [] ? up_write+0x8c/0xd9 [ 688.003105] [] ? down_write_trylock+0x100/0x100 [ 688.025960] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 688.054858] [] kernel_init_freeable+0x457/0x518 [ 688.079758] [] kernel_init+0x16/0x181 [ 688.104030] [] ret_from_fork+0x1f/0x40 [ 688.127565] [] ? rest_init+0x8f/0x8f [ 688.150674] ================================================================================ [ 688.184703] ================================================================================ [ 688.220197] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:4070:13 [ 688.250863] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 688.288467] which requires 64 byte alignment [ 688.305773] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 688.325746] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 688.364102] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8e0 ffffffffb26ec5cc [ 688.390313] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 688.422436] ffffffff00000010 ffff88005c9df908 ffff88005c9df8b8 ffffffffb363c3e0 [ 688.450089] Call Trace: [ 688.460400] [] dump_stack+0xd7/0x132 [ 688.476128] [] ? arch_local_irq_restore+0x1b/0x1b [ 688.504145] [] ubsan_epilogue+0x12/0x53 [ 688.524597] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 688.548738] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 688.591426] [] ? vprintk_emit+0x636/0x647 [ 688.624813] [] __netdev_update_features+0xf8/0xc29 [ 688.646454] [] ? vprintk_default+0x65/0x6e [ 688.669428] [] ? dev_change_flags+0x10f/0x10f [ 688.690741] [] ? ubsan_epilogue+0x26/0x53 [ 688.709409] [] ? arch_local_irq_restore+0x6/0xd [ 688.734552] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 688.760030] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 688.785097] [] ? pm_runtime_set_memalloc_noio+0xca/0x131 [ 688.808668] [] ? netdev_register_kobject+0x294/0x2a3 [ 688.838079] [] register_netdevice+0x9ed/0xc2b [ 688.859929] [] register_netdev+0x21/0x2e [ 688.882012] [] loopback_net_init+0x82/0x150 [ 688.902560] [] ? loopback_xmit+0x341/0x341 [ 688.929493] [] ops_init+0x364/0x3c8 [ 688.953974] [] ? __list_add+0x211/0x249 [ 688.977854] [] ? net_alloc_generic+0x64/0x64 [ 689.002516] [] register_pernet_operations+0x28a/0x3ea [ 689.025773] [] ? unregister_pernet_device+0x73/0x73 [ 689.049914] [] register_pernet_device+0x2f/0x6b [ 689.075899] [] net_dev_init+0x57c/0x61a [ 689.097084] [] ? netdev_boot_setup+0x232/0x232 [ 689.123049] [] ? netdev_boot_setup+0x232/0x232 [ 689.145013] [] do_one_initcall+0x16d/0x258 [ 689.166482] [] ? initcall_blacklisted+0x198/0x198 [ 689.189690] [] ? up_write+0x8c/0xd9 [ 689.207949] [] ? down_write_trylock+0x100/0x100 [ 689.229716] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 689.253634] [] kernel_init_freeable+0x457/0x518 [ 689.278255] [] kernel_init+0x16/0x181 [ 689.295626] [] ret_from_fork+0x1f/0x40 [ 689.319531] [] ? rest_init+0x8f/0x8f [ 689.337205] ================================================================================ [ 689.367000] ================================================================================ [ 689.395835] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:4070:30 [ 689.427295] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 689.464704] which requires 64 byte alignment [ 689.480541] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 689.504788] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 689.545713] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8e0 ffffffffb26ec5cc [ 689.577130] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 689.607725] ffff880000000010 ffff88005c9df908 ffff88005c9df8b8 ffffffffb363c3e0 [ 689.641626] Call Trace: [ 689.648082] [] dump_stack+0xd7/0x132 [ 689.666338] [] ? arch_local_irq_restore+0x1b/0x1b [ 689.690335] [] ubsan_epilogue+0x12/0x53 [ 689.711843] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 689.739885] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 689.767172] [] ? vprintk_emit+0x636/0x647 [ 689.791551] [] __netdev_update_features+0x12e/0xc29 [ 689.818926] [] ? vprintk_default+0x65/0x6e [ 689.839964] [] ? dev_change_flags+0x10f/0x10f [ 689.861454] [] ? ubsan_epilogue+0x26/0x53 [ 689.880729] [] ? arch_local_irq_restore+0x6/0xd [ 689.907762] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 689.933170] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 689.963219] [] ? pm_runtime_set_memalloc_noio+0xca/0x131 [ 689.987654] [] ? netdev_register_kobject+0x294/0x2a3 [ 690.010731] [] register_netdevice+0x9ed/0xc2b [ 690.034900] [] register_netdev+0x21/0x2e [ 690.056704] [] loopback_net_init+0x82/0x150 [ 690.079133] [] ? loopback_xmit+0x341/0x341 [ 690.100561] [] ops_init+0x364/0x3c8 [ 690.117422] [] ? __list_add+0x211/0x249 [ 690.137598] [] ? net_alloc_generic+0x64/0x64 [ 690.162105] [] register_pernet_operations+0x28a/0x3ea [ 690.188158] [] ? unregister_pernet_device+0x73/0x73 [ 690.217413] [] register_pernet_device+0x2f/0x6b [ 690.239959] [] net_dev_init+0x57c/0x61a [ 690.264640] [] ? netdev_boot_setup+0x232/0x232 [ 690.287534] [] ? netdev_boot_setup+0x232/0x232 [ 690.312784] [] do_one_initcall+0x16d/0x258 [ 690.332145] [] ? initcall_blacklisted+0x198/0x198 [ 690.357710] [] ? up_write+0x8c/0xd9 [ 690.374996] [] ? down_write_trylock+0x100/0x100 [ 690.399082] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 690.424369] [] kernel_init_freeable+0x457/0x518 [ 690.448050] [] kernel_init+0x16/0x181 [ 690.471782] [] ret_from_fork+0x1f/0x40 [ 690.495289] [] ? rest_init+0x8f/0x8f [ 690.517813] ================================================================================ [ 690.550511] ================================================================================ [ 690.585135] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:4070:50 [ 690.609990] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 690.643547] which requires 64 byte alignment [ 690.660584] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 690.680609] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 690.715161] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8e0 ffffffffb26ec5cc [ 690.745441] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 690.770804] ffff880000000010 ffff88005c9df908 ffff88005c9df8b8 ffffffffb363c3e0 [ 690.800816] Call Trace: [ 690.808492] [] dump_stack+0xd7/0x132 [ 690.832041] [] ? arch_local_irq_restore+0x1b/0x1b [ 690.857504] [] ubsan_epilogue+0x12/0x53 [ 690.876975] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 690.904968] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 690.941079] [] ? vprintk_emit+0x636/0x647 [ 690.968415] [] __netdev_update_features+0x160/0xc29 [ 690.993850] [] ? vprintk_default+0x65/0x6e [ 691.020441] [] ? dev_change_flags+0x10f/0x10f [ 691.042693] [] ? ubsan_epilogue+0x26/0x53 [ 691.065344] [] ? arch_local_irq_restore+0x6/0xd [ 691.092862] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 691.121502] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 691.145719] [] ? pm_runtime_set_memalloc_noio+0xca/0x131 [ 691.170873] [] ? netdev_register_kobject+0x294/0x2a3 [ 691.193688] [] register_netdevice+0x9ed/0xc2b [ 691.247031] [] register_netdev+0x21/0x2e [ 691.271976] [] loopback_net_init+0x82/0x150 [ 691.295937] [] ? loopback_xmit+0x341/0x341 [ 691.320777] [] ops_init+0x364/0x3c8 [ 691.339848] [] ? __list_add+0x211/0x249 [ 691.363071] [] ? net_alloc_generic+0x64/0x64 [ 691.393714] [] register_pernet_operations+0x28a/0x3ea [ 691.433314] [] ? unregister_pernet_device+0x73/0x73 [ 691.496520] [] register_pernet_device+0x2f/0x6b [ 691.537791] [] net_dev_init+0x57c/0x61a [ 691.558434] [] ? netdev_boot_setup+0x232/0x232 [ 691.585489] [] ? netdev_boot_setup+0x232/0x232 [ 691.622496] [] do_one_initcall+0x16d/0x258 [ 691.642343] [] ? initcall_blacklisted+0x198/0x198 [ 691.665375] [] ? up_write+0x8c/0xd9 [ 691.682938] [] ? down_write_trylock+0x100/0x100 [ 691.710864] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 691.741669] [] kernel_init_freeable+0x457/0x518 [ 691.763363] [] kernel_init+0x16/0x181 [ 691.783240] [] ret_from_fork+0x1f/0x40 [ 691.799481] [] ? rest_init+0x8f/0x8f [ 691.822355] ================================================================================ [ 691.850785] ================================================================================ [ 691.893356] UBSAN: Undefined behaviour in net/core/dev.c:6930:9 [ 691.917728] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 691.957504] which requires 64 byte alignment [ 691.976194] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 691.999028] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 692.040144] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8e0 ffffffffb26ec5cc [ 692.084237] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 692.110451] ffff880000000010 ffff88005c9df908 ffff88005c9df8b8 ffffffffb363c3e0 [ 692.145714] Call Trace: [ 692.155948] [] dump_stack+0xd7/0x132 [ 692.183748] [] ? arch_local_irq_restore+0x1b/0x1b [ 692.226953] [] ubsan_epilogue+0x12/0x53 [ 692.264284] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 692.288960] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 692.322309] [] ? vprintk_emit+0x636/0x647 [ 692.342221] [] __netdev_update_features+0x193/0xc29 [ 692.374413] [] ? vprintk_default+0x65/0x6e [ 692.397294] [] ? dev_change_flags+0x10f/0x10f [ 692.425475] [] ? ubsan_epilogue+0x26/0x53 [ 692.447743] [] ? arch_local_irq_restore+0x6/0xd [ 692.482541] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 692.509023] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 692.543839] [] ? pm_runtime_set_memalloc_noio+0xca/0x131 [ 692.571553] [] ? netdev_register_kobject+0x294/0x2a3 [ 692.595838] [] register_netdevice+0x9ed/0xc2b [ 692.616464] [] register_netdev+0x21/0x2e [ 692.644390] [] loopback_net_init+0x82/0x150 [ 692.666143] [] ? loopback_xmit+0x341/0x341 [ 692.686022] [] ops_init+0x364/0x3c8 [ 692.702192] [] ? __list_add+0x211/0x249 [ 692.724604] [] ? net_alloc_generic+0x64/0x64 [ 692.747168] [] register_pernet_operations+0x28a/0x3ea [ 692.775469] [] ? unregister_pernet_device+0x73/0x73 [ 692.804843] [] register_pernet_device+0x2f/0x6b [ 692.832821] [] net_dev_init+0x57c/0x61a [ 692.864210] [] ? netdev_boot_setup+0x232/0x232 [ 692.894007] [] ? netdev_boot_setup+0x232/0x232 [ 692.920177] [] do_one_initcall+0x16d/0x258 [ 692.950385] [] ? initcall_blacklisted+0x198/0x198 [ 692.980883] [] ? up_write+0x8c/0xd9 [ 693.005667] [] ? down_write_trylock+0x100/0x100 [ 693.034229] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 693.058842] [] kernel_init_freeable+0x457/0x518 [ 693.086159] [] kernel_init+0x16/0x181 [ 693.104429] [] ret_from_fork+0x1f/0x40 [ 693.126099] [] ? rest_init+0x8f/0x8f [ 693.143939] ================================================================================ [ 693.175801] ================================================================================ [ 693.206108] UBSAN: Undefined behaviour in net/core/dev.c:6902:21 [ 693.231289] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 693.266322] which requires 64 byte alignment [ 693.284521] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 693.306416] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 693.343574] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8e0 ffffffffb26ec5cc [ 693.374081] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 693.404084] ffff880000000010 ffff88005c9df908 ffff88005c9df8b8 ffffffffb363c3e0 [ 693.439066] Call Trace: [ 693.448578] [] dump_stack+0xd7/0x132 [ 693.467144] [] ? arch_local_irq_restore+0x1b/0x1b [ 693.490297] [] ubsan_epilogue+0x12/0x53 [ 693.508888] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 693.531299] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 693.558516] [] ? vprintk_emit+0x636/0x647 [ 693.580157] [] __netdev_update_features+0x3ec/0xc29 [ 693.606601] [] ? vprintk_default+0x65/0x6e [ 693.633877] [] ? dev_change_flags+0x10f/0x10f [ 693.655755] [] ? ubsan_epilogue+0x26/0x53 [ 693.679954] [] ? arch_local_irq_restore+0x6/0xd [ 693.706491] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 693.731392] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 693.762088] [] ? pm_runtime_set_memalloc_noio+0xca/0x131 [ 693.785964] [] ? netdev_register_kobject+0x294/0x2a3 [ 693.811307] [] register_netdevice+0x9ed/0xc2b [ 693.842000] [] register_netdev+0x21/0x2e [ 693.860671] [] loopback_net_init+0x82/0x150 [ 693.882491] [] ? loopback_xmit+0x341/0x341 [ 693.909476] [] ops_init+0x364/0x3c8 [ 693.931641] [] ? __list_add+0x211/0x249 [ 693.960072] [] ? net_alloc_generic+0x64/0x64 [ 693.980977] [] register_pernet_operations+0x28a/0x3ea [ 694.006061] [] ? unregister_pernet_device+0x73/0x73 [ 694.030997] [] register_pernet_device+0x2f/0x6b [ 694.054702] [] net_dev_init+0x57c/0x61a [ 694.077836] [] ? netdev_boot_setup+0x232/0x232 [ 694.102944] [] ? netdev_boot_setup+0x232/0x232 [ 694.123748] [] do_one_initcall+0x16d/0x258 [ 694.148754] [] ? initcall_blacklisted+0x198/0x198 [ 694.170846] [] ? up_write+0x8c/0xd9 [ 694.191384] [] ? down_write_trylock+0x100/0x100 [ 694.214754] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 694.243113] [] kernel_init_freeable+0x457/0x518 [ 694.263966] [] kernel_init+0x16/0x181 [ 694.283788] [] ret_from_fork+0x1f/0x40 [ 694.305194] [] ? rest_init+0x8f/0x8f [ 694.325676] ================================================================================ [ 694.354960] ================================================================================ [ 694.387697] UBSAN: Undefined behaviour in net/core/dev.c:6910:9 [ 694.413701] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 694.451733] which requires 64 byte alignment [ 694.468488] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 694.492167] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 694.527731] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8e0 ffffffffb26ec5cc [ 694.558744] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 694.587476] ffff880000000010 ffff88005c9df908 ffff88005c9df8b8 ffffffffb363c3e0 [ 694.619507] Call Trace: [ 694.627471] [] dump_stack+0xd7/0x132 [ 694.648878] [] ? arch_local_irq_restore+0x1b/0x1b [ 694.672880] [] ubsan_epilogue+0x12/0x53 [ 694.691422] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 694.719458] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 694.745336] [] ? vprintk_emit+0x636/0x647 [ 694.765823] [] __netdev_update_features+0x470/0xc29 [ 694.790931] [] ? vprintk_default+0x65/0x6e [ 694.810631] [] ? dev_change_flags+0x10f/0x10f [ 694.838776] [] ? ubsan_epilogue+0x26/0x53 [ 694.855316] [] ? arch_local_irq_restore+0x6/0xd [ 694.878208] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 694.903298] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 694.933613] [] ? pm_runtime_set_memalloc_noio+0xca/0x131 [ 694.962380] [] ? netdev_register_kobject+0x294/0x2a3 [ 694.989866] [] register_netdevice+0x9ed/0xc2b [ 695.009826] [] register_netdev+0x21/0x2e [ 695.036568] [] loopback_net_init+0x82/0x150 [ 695.057891] [] ? loopback_xmit+0x341/0x341 [ 695.079184] [] ops_init+0x364/0x3c8 [ 695.098216] [] ? __list_add+0x211/0x249 [ 695.117496] [] ? net_alloc_generic+0x64/0x64 [ 695.140624] [] register_pernet_operations+0x28a/0x3ea [ 695.162784] [] ? unregister_pernet_device+0x73/0x73 [ 695.184337] [] register_pernet_device+0x2f/0x6b [ 695.208928] [] net_dev_init+0x57c/0x61a [ 695.230806] [] ? netdev_boot_setup+0x232/0x232 [ 695.259920] [] ? netdev_boot_setup+0x232/0x232 [ 695.282799] [] do_one_initcall+0x16d/0x258 [ 695.307304] [] ? initcall_blacklisted+0x198/0x198 [ 695.328939] [] ? up_write+0x8c/0xd9 [ 695.348990] [] ? down_write_trylock+0x100/0x100 [ 695.370597] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 695.398258] [] kernel_init_freeable+0x457/0x518 [ 695.426276] [] kernel_init+0x16/0x181 [ 695.445365] [] ret_from_fork+0x1f/0x40 [ 695.468215] [] ? rest_init+0x8f/0x8f [ 695.489358] ================================================================================ [ 695.519618] ================================================================================ [ 695.549884] UBSAN: Undefined behaviour in net/core/dev.c:6940:9 [ 695.570892] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 695.602820] which requires 64 byte alignment [ 695.619243] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 695.646919] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 695.684405] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8e0 ffffffffb26ec5cc [ 695.710271] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 695.738713] ffff880000000010 ffff88005c9df908 ffff88005c9df8b8 ffffffffb363c3e0 [ 695.764189] Call Trace: [ 695.774204] [] dump_stack+0xd7/0x132 [ 695.795974] [] ? arch_local_irq_restore+0x1b/0x1b [ 695.817020] [] ubsan_epilogue+0x12/0x53 [ 695.834750] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 695.862767] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 695.888482] [] __netdev_update_features+0x674/0xc29 [ 695.911795] [] ? vprintk_default+0x65/0x6e [ 695.937208] [] ? dev_change_flags+0x10f/0x10f [ 695.961850] [] ? ubsan_epilogue+0x26/0x53 [ 695.982647] [] ? arch_local_irq_restore+0x6/0xd [ 696.006603] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 696.040472] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 696.065354] [] ? pm_runtime_set_memalloc_noio+0xca/0x131 [ 696.093786] [] ? netdev_register_kobject+0x294/0x2a3 [ 696.119753] [] register_netdevice+0x9ed/0xc2b [ 696.142623] [] register_netdev+0x21/0x2e [ 696.161614] [] loopback_net_init+0x82/0x150 [ 696.182410] [] ? loopback_xmit+0x341/0x341 [ 696.201853] [] ops_init+0x364/0x3c8 [ 696.232362] [] ? __list_add+0x211/0x249 [ 696.256349] [] ? net_alloc_generic+0x64/0x64 [ 696.279702] [] register_pernet_operations+0x28a/0x3ea [ 696.308772] [] ? unregister_pernet_device+0x73/0x73 [ 696.336429] [] register_pernet_device+0x2f/0x6b [ 696.360007] [] net_dev_init+0x57c/0x61a [ 696.377446] [] ? netdev_boot_setup+0x232/0x232 [ 696.402613] [] ? netdev_boot_setup+0x232/0x232 [ 696.434566] [] do_one_initcall+0x16d/0x258 [ 696.462969] [] ? initcall_blacklisted+0x198/0x198 [ 696.488613] [] ? up_write+0x8c/0xd9 [ 696.509627] [] ? down_write_trylock+0x100/0x100 [ 696.535761] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 696.565720] [] kernel_init_freeable+0x457/0x518 [ 696.594197] [] kernel_init+0x16/0x181 [ 696.612001] [] ret_from_fork+0x1f/0x40 [ 696.629988] [] ? rest_init+0x8f/0x8f [ 696.648335] ================================================================================ [ 696.681153] ================================================================================ [ 696.712165] UBSAN: Undefined behaviour in net/core/dev.c:6965:2 [ 696.738024] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 696.767957] which requires 64 byte alignment [ 696.787426] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 696.807555] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 696.834822] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8e0 ffffffffb26ec5cc [ 696.861852] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 696.889005] ffff880000000010 ffff88005c9df908 ffff88005c9df8b8 ffffffffb363c3e0 [ 696.930776] Call Trace: [ 696.945609] [] dump_stack+0xd7/0x132 [ 696.967622] [] ? arch_local_irq_restore+0x1b/0x1b [ 696.995580] [] ubsan_epilogue+0x12/0x53 [ 697.013881] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 697.042525] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 697.067884] [] __netdev_update_features+0x7ad/0xc29 [ 697.091367] [] ? vprintk_default+0x65/0x6e [ 697.111716] [] ? dev_change_flags+0x10f/0x10f [ 697.134512] [] ? ubsan_epilogue+0x26/0x53 [ 697.155390] [] ? arch_local_irq_restore+0x6/0xd [ 697.183869] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 697.213016] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 697.244119] [] ? pm_runtime_set_memalloc_noio+0xca/0x131 [ 697.274809] [] ? netdev_register_kobject+0x294/0x2a3 [ 697.303048] [] register_netdevice+0x9ed/0xc2b [ 697.327358] [] register_netdev+0x21/0x2e [ 697.351701] [] loopback_net_init+0x82/0x150 [ 697.376781] [] ? loopback_xmit+0x341/0x341 [ 697.405135] [] ops_init+0x364/0x3c8 [ 697.430124] [] ? __list_add+0x211/0x249 [ 697.464665] [] ? net_alloc_generic+0x64/0x64 [ 697.496164] [] register_pernet_operations+0x28a/0x3ea [ 697.521244] [] ? unregister_pernet_device+0x73/0x73 [ 697.546701] [] register_pernet_device+0x2f/0x6b [ 697.569227] [] net_dev_init+0x57c/0x61a [ 697.587782] [] ? netdev_boot_setup+0x232/0x232 [ 697.611827] [] ? netdev_boot_setup+0x232/0x232 [ 697.632576] [] do_one_initcall+0x16d/0x258 [ 697.652619] [] ? initcall_blacklisted+0x198/0x198 [ 697.680677] [] ? up_write+0x8c/0xd9 [ 697.699606] [] ? down_write_trylock+0x100/0x100 [ 697.722435] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 697.747016] [] kernel_init_freeable+0x457/0x518 [ 697.768732] [] kernel_init+0x16/0x181 [ 697.787505] [] ret_from_fork+0x1f/0x40 [ 697.806912] [] ? rest_init+0x8f/0x8f [ 697.827876] ================================================================================ [ 697.857896] ================================================================================ [ 697.886150] UBSAN: Undefined behaviour in net/sched/sch_generic.c:945:13 [ 697.908817] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 697.947422] which requires 64 byte alignment [ 697.963681] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 697.984583] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 698.020936] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9f0 ffffffffb26ec5cc [ 698.047173] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 698.075611] 0000000000000010 ffff88005c9dfa18 ffff88005c9df9c8 ffffffffb363c3e0 [ 698.103508] Call Trace: [ 698.116299] [] dump_stack+0xd7/0x132 [ 698.136894] [] ? arch_local_irq_restore+0x1b/0x1b [ 698.169657] [] ubsan_epilogue+0x12/0x53 [ 698.192993] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 698.220186] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 698.250509] [] ? arch_local_irq_restore+0x6/0xd [ 698.276847] [] dev_init_scheduler+0x86/0x201 [ 698.300640] [] ? dev_deactivate+0xb7/0xb7 [ 698.323574] [] ? pm_runtime_set_memalloc_noio+0xca/0x131 [ 698.360098] [] register_netdevice+0xa02/0xc2b [ 698.382517] [] register_netdev+0x21/0x2e [ 698.404825] [] loopback_net_init+0x82/0x150 [ 698.430572] [] ? loopback_xmit+0x341/0x341 [ 698.450885] [] ops_init+0x364/0x3c8 [ 698.471825] [] ? __list_add+0x211/0x249 [ 698.491633] [] ? net_alloc_generic+0x64/0x64 [ 698.515528] [] register_pernet_operations+0x28a/0x3ea [ 698.543388] [] ? unregister_pernet_device+0x73/0x73 [ 698.566863] [] register_pernet_device+0x2f/0x6b [ 698.588856] [] net_dev_init+0x57c/0x61a [ 698.607270] [] ? netdev_boot_setup+0x232/0x232 [ 698.629367] [] ? netdev_boot_setup+0x232/0x232 [ 698.662819] [] do_one_initcall+0x16d/0x258 [ 698.686598] [] ? initcall_blacklisted+0x198/0x198 [ 698.709602] [] ? up_write+0x8c/0xd9 [ 698.727185] [] ? down_write_trylock+0x100/0x100 [ 698.751418] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 698.783308] [] kernel_init_freeable+0x457/0x518 [ 698.806548] [] kernel_init+0x16/0x181 [ 698.842219] [] ret_from_fork+0x1f/0x40 [ 698.864443] [] ? rest_init+0x8f/0x8f [ 698.883406] ================================================================================ [ 698.919371] ================================================================================ [ 698.951669] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:1966:21 [ 698.981891] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 699.015877] which requires 64 byte alignment [ 699.035591] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 699.060352] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 699.098410] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b8 ffffffffb26ec5cc [ 699.126255] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 699.158630] 0000000000000010 ffff88005c9df9e0 ffff88005c9df990 ffffffffb363c3e0 [ 699.189521] Call Trace: [ 699.200364] [] dump_stack+0xd7/0x132 [ 699.223347] [] ? arch_local_irq_restore+0x1b/0x1b [ 699.263715] [] ubsan_epilogue+0x12/0x53 [ 699.284796] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 699.318945] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 699.347034] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 699.378412] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 699.408094] [] ? netif_tx_unlock+0xae/0xae [ 699.438755] [] netdev_for_each_tx_queue+0x3e/0xac [ 699.465375] [] dev_init_scheduler+0xb2/0x201 [ 699.487227] [] ? dev_deactivate+0xb7/0xb7 [ 699.506670] [] ? pm_runtime_set_memalloc_noio+0xca/0x131 [ 699.544892] [] register_netdevice+0xa02/0xc2b [ 699.567363] [] register_netdev+0x21/0x2e [ 699.585815] [] loopback_net_init+0x82/0x150 [ 699.609185] [] ? loopback_xmit+0x341/0x341 [ 699.715360] [] ops_init+0x364/0x3c8 [ 699.743759] [] ? __list_add+0x211/0x249 [ 699.770518] [] ? net_alloc_generic+0x64/0x64 [ 699.797696] [] register_pernet_operations+0x28a/0x3ea [ 699.831260] [] ? unregister_pernet_device+0x73/0x73 [ 699.864612] [] register_pernet_device+0x2f/0x6b [ 699.895570] [] net_dev_init+0x57c/0x61a [ 699.947708] [] ? netdev_boot_setup+0x232/0x232 [ 699.980450] [] ? netdev_boot_setup+0x232/0x232 [ 700.013220] [] do_one_initcall+0x16d/0x258 [ 700.048623] [] ? initcall_blacklisted+0x198/0x198 [ 700.083487] [] ? up_write+0x8c/0xd9 [ 700.110238] [] ? down_write_trylock+0x100/0x100 [ 700.134824] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 700.160060] [] kernel_init_freeable+0x457/0x518 [ 700.186222] [] kernel_init+0x16/0x181 [ 700.208357] [] ret_from_fork+0x1f/0x40 [ 700.228629] [] ? rest_init+0x8f/0x8f [ 700.248101] ================================================================================ [ 700.286508] ================================================================================ [ 700.323235] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:1967:14 [ 700.358289] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 700.404812] which requires 64 byte alignment [ 700.445979] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 700.503763] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 700.574521] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b8 ffffffffb26ec5cc [ 700.611717] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 700.648897] ffffffff00000010 ffff88005c9df9e0 ffff88005c9df990 ffffffffb363c3e0 [ 700.688531] Call Trace: [ 700.698371] [] dump_stack+0xd7/0x132 [ 700.721708] [] ? arch_local_irq_restore+0x1b/0x1b [ 700.749180] [] ubsan_epilogue+0x12/0x53 [ 700.771014] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 700.802655] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 700.837807] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 700.916350] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 701.018704] [] ? netif_tx_unlock+0xae/0xae [ 701.055410] [] netdev_for_each_tx_queue+0x71/0xac [ 701.140074] [] dev_init_scheduler+0xb2/0x201 [ 701.161223] [] ? dev_deactivate+0xb7/0xb7 [ 701.186413] [] ? pm_runtime_set_memalloc_noio+0xca/0x131 [ 701.213904] [] register_netdevice+0xa02/0xc2b [ 701.239154] [] register_netdev+0x21/0x2e [ 701.259825] [] loopback_net_init+0x82/0x150 [ 701.278202] [] ? loopback_xmit+0x341/0x341 [ 701.301217] [] ops_init+0x364/0x3c8 [ 701.323815] [] ? __list_add+0x211/0x249 [ 701.353787] [] ? net_alloc_generic+0x64/0x64 [ 701.373091] [] register_pernet_operations+0x28a/0x3ea [ 701.402005] [] ? unregister_pernet_device+0x73/0x73 [ 701.431009] [] register_pernet_device+0x2f/0x6b [ 701.457745] [] net_dev_init+0x57c/0x61a [ 701.479592] [] ? netdev_boot_setup+0x232/0x232 [ 701.497077] [] ? netdev_boot_setup+0x232/0x232 [ 701.530417] [] do_one_initcall+0x16d/0x258 [ 701.555967] [] ? initcall_blacklisted+0x198/0x198 [ 701.583152] [] ? up_write+0x8c/0xd9 [ 701.603241] [] ? down_write_trylock+0x100/0x100 [ 701.630812] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 701.664642] [] kernel_init_freeable+0x457/0x518 [ 701.699696] [] kernel_init+0x16/0x181 [ 701.722547] [] ret_from_fork+0x1f/0x40 [ 701.751229] [] ? rest_init+0x8f/0x8f [ 701.781426] ================================================================================ [ 701.818164] ================================================================================ [ 701.862980] UBSAN: Undefined behaviour in net/sched/sch_generic.c:940:28 [ 701.895422] member access within misaligned address ffff88005bdaf8e0 for type 'struct netdev_queue' [ 701.931069] which requires 64 byte alignment [ 701.952575] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 701.980739] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 702.018521] 00000000ffffffff 00000000b1a89c60 ffff88005c9df928 ffffffffb26ec5cc [ 702.055770] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 702.088381] ffff880000000010 ffff88005c9df950 ffff88005c9df900 ffffffffb363c3e0 [ 702.117811] Call Trace: [ 702.128618] [] dump_stack+0xd7/0x132 [ 702.144845] [] ? arch_local_irq_restore+0x1b/0x1b [ 702.183937] [] ubsan_epilogue+0x12/0x53 [ 702.212370] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 702.240755] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 702.269094] [] dev_init_scheduler_queue+0xaf/0xef [ 702.295118] [] ? netif_tx_unlock+0xae/0xae [ 702.317166] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 702.341185] [] ? netif_tx_unlock+0xae/0xae [ 702.364241] [] netdev_for_each_tx_queue+0x9a/0xac [ 702.391139] [] dev_init_scheduler+0xb2/0x201 [ 702.413535] [] ? dev_deactivate+0xb7/0xb7 [ 702.438259] [] ? pm_runtime_set_memalloc_noio+0xca/0x131 [ 702.468921] [] register_netdevice+0xa02/0xc2b [ 702.493015] [] register_netdev+0x21/0x2e [ 702.519104] [] loopback_net_init+0x82/0x150 [ 702.545561] [] ? loopback_xmit+0x341/0x341 [ 702.569867] [] ops_init+0x364/0x3c8 [ 702.594982] [] ? __list_add+0x211/0x249 [ 702.623270] [] ? net_alloc_generic+0x64/0x64 [ 702.653228] [] register_pernet_operations+0x28a/0x3ea [ 702.690367] [] ? unregister_pernet_device+0x73/0x73 [ 702.719340] [] register_pernet_device+0x2f/0x6b [ 702.750398] [] net_dev_init+0x57c/0x61a [ 702.780051] [] ? netdev_boot_setup+0x232/0x232 [ 702.812105] [] ? netdev_boot_setup+0x232/0x232 [ 702.838986] [] do_one_initcall+0x16d/0x258 [ 702.863973] [] ? initcall_blacklisted+0x198/0x198 [ 702.899963] [] ? up_write+0x8c/0xd9 [ 702.925651] [] ? down_write_trylock+0x100/0x100 [ 702.955853] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 702.995901] [] kernel_init_freeable+0x457/0x518 [ 703.021642] [] kernel_init+0x16/0x181 [ 703.049060] [] ret_from_fork+0x1f/0x40 [ 703.071088] [] ? rest_init+0x8f/0x8f [ 703.097896] ================================================================================ [ 703.137627] ================================================================================ [ 703.174913] UBSAN: Undefined behaviour in ./include/linux/rtnetlink.h:77:9 [ 703.207329] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 703.251215] which requires 64 byte alignment [ 703.271208] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 703.296828] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 703.338395] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9f0 ffffffffb26ec5cc [ 703.370083] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 703.399707] 0000000000000010 ffff88005c9dfa18 ffff88005c9df9c8 ffffffffb363c3e0 [ 703.425323] Call Trace: [ 703.433777] [] dump_stack+0xd7/0x132 [ 703.454156] [] ? arch_local_irq_restore+0x1b/0x1b [ 703.476658] [] ubsan_epilogue+0x12/0x53 [ 703.493376] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 703.517205] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 703.541123] [] ? netif_tx_unlock+0xae/0xae [ 703.562542] [] dev_init_scheduler+0xcb/0x201 [ 703.585114] [] ? dev_deactivate+0xb7/0xb7 [ 703.603783] [] ? pm_runtime_set_memalloc_noio+0xca/0x131 [ 703.625362] [] register_netdevice+0xa02/0xc2b [ 703.646368] [] register_netdev+0x21/0x2e [ 703.666258] [] loopback_net_init+0x82/0x150 [ 703.686532] [] ? loopback_xmit+0x341/0x341 [ 703.703609] [] ops_init+0x364/0x3c8 [ 703.721245] [] ? __list_add+0x211/0x249 [ 703.741250] [] ? net_alloc_generic+0x64/0x64 [ 703.761877] [] register_pernet_operations+0x28a/0x3ea [ 703.785826] [] ? unregister_pernet_device+0x73/0x73 [ 703.809179] [] register_pernet_device+0x2f/0x6b [ 703.834203] [] net_dev_init+0x57c/0x61a [ 703.853447] [] ? netdev_boot_setup+0x232/0x232 [ 703.872215] [] ? netdev_boot_setup+0x232/0x232 [ 703.895079] [] do_one_initcall+0x16d/0x258 [ 703.914015] [] ? initcall_blacklisted+0x198/0x198 [ 703.936778] [] ? up_write+0x8c/0xd9 [ 703.951434] [] ? down_write_trylock+0x100/0x100 [ 703.973581] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 703.995685] [] kernel_init_freeable+0x457/0x518 [ 704.016925] [] kernel_init+0x16/0x181 [ 704.036210] [] ret_from_fork+0x1f/0x40 [ 704.056606] [] ? rest_init+0x8f/0x8f [ 704.072343] ================================================================================ [ 704.103177] ================================================================================ [ 704.134806] UBSAN: Undefined behaviour in net/sched/sch_generic.c:950:2 [ 704.158484] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 704.189221] which requires 64 byte alignment [ 704.203097] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 704.223634] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 704.261688] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9f0 ffffffffb26ec5cc [ 704.287548] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 704.311150] ffff880000000010 ffff88005c9dfa18 ffff88005c9df9c8 ffffffffb363c3e0 [ 704.336526] Call Trace: [ 704.343778] [] dump_stack+0xd7/0x132 [ 704.359642] [] ? arch_local_irq_restore+0x1b/0x1b [ 704.385869] [] ubsan_epilogue+0x12/0x53 [ 704.401210] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 704.425772] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 704.455429] [] ? memset+0x31/0x38 [ 704.474379] [] dev_init_scheduler+0x189/0x201 [ 704.495738] [] ? dev_deactivate+0xb7/0xb7 [ 704.516633] [] ? pm_runtime_set_memalloc_noio+0xca/0x131 [ 704.539795] [] register_netdevice+0xa02/0xc2b [ 704.561410] [] register_netdev+0x21/0x2e [ 704.579027] [] loopback_net_init+0x82/0x150 [ 704.601658] [] ? loopback_xmit+0x341/0x341 [ 704.622123] [] ops_init+0x364/0x3c8 [ 704.642174] [] ? __list_add+0x211/0x249 [ 704.662614] [] ? net_alloc_generic+0x64/0x64 [ 704.685091] [] register_pernet_operations+0x28a/0x3ea [ 704.821843] [] ? unregister_pernet_device+0x73/0x73 [ 704.850651] [] register_pernet_device+0x2f/0x6b [ 704.869974] [] net_dev_init+0x57c/0x61a [ 704.888451] [] ? netdev_boot_setup+0x232/0x232 [ 704.909912] [] ? netdev_boot_setup+0x232/0x232 [ 704.930374] [] do_one_initcall+0x16d/0x258 [ 704.952743] [] ? initcall_blacklisted+0x198/0x198 [ 704.974506] [] ? up_write+0x8c/0xd9 [ 704.995513] [] ? down_write_trylock+0x100/0x100 [ 705.017728] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 705.039617] [] kernel_init_freeable+0x457/0x518 [ 705.061497] [] kernel_init+0x16/0x181 [ 705.082168] [] ret_from_fork+0x1f/0x40 [ 705.103112] [] ? rest_init+0x8f/0x8f [ 705.120750] ================================================================================ [ 705.154318] ================================================================================ [ 705.183952] UBSAN: Undefined behaviour in net/sched/sch_generic.c:950:2 [ 705.204284] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 705.237701] which requires 64 byte alignment [ 705.252302] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 705.274313] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 705.308705] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9f0 ffffffffb26ec5cc [ 705.337144] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 705.362047] ffff880000000010 ffff88005c9dfa18 ffff88005c9df9c8 ffffffffb363c3e0 [ 705.391731] Call Trace: [ 705.401637] [] dump_stack+0xd7/0x132 [ 705.417446] [] ? arch_local_irq_restore+0x1b/0x1b [ 705.441913] [] ubsan_epilogue+0x12/0x53 [ 705.462487] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 705.487669] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 705.512845] [] ? memset+0x31/0x38 [ 705.529772] [] dev_init_scheduler+0x1b9/0x201 [ 705.548034] [] ? dev_deactivate+0xb7/0xb7 [ 705.566784] [] ? pm_runtime_set_memalloc_noio+0xca/0x131 [ 705.590902] [] register_netdevice+0xa02/0xc2b [ 705.613016] [] register_netdev+0x21/0x2e [ 705.632720] [] loopback_net_init+0x82/0x150 [ 705.655894] [] ? loopback_xmit+0x341/0x341 [ 705.675976] [] ops_init+0x364/0x3c8 [ 705.697407] [] ? __list_add+0x211/0x249 [ 705.716583] [] ? net_alloc_generic+0x64/0x64 [ 705.736585] [] register_pernet_operations+0x28a/0x3ea [ 705.757310] [] ? unregister_pernet_device+0x73/0x73 [ 705.781142] [] register_pernet_device+0x2f/0x6b [ 705.800827] [] net_dev_init+0x57c/0x61a [ 705.820450] [] ? netdev_boot_setup+0x232/0x232 [ 705.842289] [] ? netdev_boot_setup+0x232/0x232 [ 705.864478] [] do_one_initcall+0x16d/0x258 [ 705.886866] [] ? initcall_blacklisted+0x198/0x198 [ 705.910003] [] ? up_write+0x8c/0xd9 [ 705.928977] [] ? down_write_trylock+0x100/0x100 [ 705.948472] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 705.967238] [] kernel_init_freeable+0x457/0x518 [ 705.990457] [] kernel_init+0x16/0x181 [ 706.006678] [] ret_from_fork+0x1f/0x40 [ 706.021871] [] ? rest_init+0x8f/0x8f [ 706.040016] ================================================================================ [ 706.072900] ================================================================================ [ 706.102213] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:3368:2 [ 706.122277] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 706.157014] which requires 64 byte alignment [ 706.171153] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 706.193980] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 706.225862] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 706.256272] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 706.279575] 0000000000000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 706.304956] Call Trace: [ 706.314225] [] dump_stack+0xd7/0x132 [ 706.335101] [] ? arch_local_irq_restore+0x1b/0x1b [ 706.357438] [] ubsan_epilogue+0x12/0x53 [ 706.378444] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 706.404463] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 706.434949] [] ? pm_runtime_set_memalloc_noio+0xca/0x131 [ 706.459997] [] register_netdevice+0xa1b/0xc2b [ 706.483394] [] register_netdev+0x21/0x2e [ 706.506055] [] loopback_net_init+0x82/0x150 [ 706.524709] [] ? loopback_xmit+0x341/0x341 [ 706.542222] [] ops_init+0x364/0x3c8 [ 706.561970] [] ? __list_add+0x211/0x249 [ 706.583106] [] ? net_alloc_generic+0x64/0x64 [ 706.604690] [] register_pernet_operations+0x28a/0x3ea [ 706.632256] [] ? unregister_pernet_device+0x73/0x73 [ 706.655953] [] register_pernet_device+0x2f/0x6b [ 706.676872] [] net_dev_init+0x57c/0x61a [ 706.695608] [] ? netdev_boot_setup+0x232/0x232 [ 706.718687] [] ? netdev_boot_setup+0x232/0x232 [ 706.740354] [] do_one_initcall+0x16d/0x258 [ 706.761464] [] ? initcall_blacklisted+0x198/0x198 [ 706.785200] [] ? up_write+0x8c/0xd9 [ 706.900839] [] ? down_write_trylock+0x100/0x100 [ 706.921128] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 706.950340] [] kernel_init_freeable+0x457/0x518 [ 706.972216] [] kernel_init+0x16/0x181 [ 706.991668] [] ret_from_fork+0x1f/0x40 [ 707.012582] [] ? rest_init+0x8f/0x8f [ 707.031141] ================================================================================ [ 707.060036] ================================================================================ [ 707.091979] UBSAN: Undefined behaviour in net/core/dev.c:235:2 [ 707.112764] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 707.140439] which requires 64 byte alignment [ 707.156909] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 707.174735] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 707.208773] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa58 ffffffffb26ec5cc [ 707.235910] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 707.263045] 0000000000000010 ffff88005c9dfa80 ffff88005c9dfa30 ffffffffb363c3e0 [ 707.287959] Call Trace: [ 707.295664] [] dump_stack+0xd7/0x132 [ 707.313406] [] ? arch_local_irq_restore+0x1b/0x1b [ 707.335695] [] ubsan_epilogue+0x12/0x53 [ 707.354776] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 707.375912] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 707.400528] [] ? netdev_name+0x5e/0x5e [ 707.419509] [] ? full_name_hash+0x88/0xaf [ 707.440342] [] list_netdevice+0xfa/0x1e3 [ 707.460481] [] register_netdevice+0xa39/0xc2b [ 707.478602] [] register_netdev+0x21/0x2e [ 707.497050] [] loopback_net_init+0x82/0x150 [ 707.518942] [] ? loopback_xmit+0x341/0x341 [ 707.539216] [] ops_init+0x364/0x3c8 [ 707.556088] [] ? __list_add+0x211/0x249 [ 707.577198] [] ? net_alloc_generic+0x64/0x64 [ 707.601024] [] register_pernet_operations+0x28a/0x3ea [ 707.622905] [] ? unregister_pernet_device+0x73/0x73 [ 707.650371] [] register_pernet_device+0x2f/0x6b [ 707.672654] [] net_dev_init+0x57c/0x61a [ 707.691659] [] ? netdev_boot_setup+0x232/0x232 [ 707.713009] [] ? netdev_boot_setup+0x232/0x232 [ 707.735012] [] do_one_initcall+0x16d/0x258 [ 707.752169] [] ? initcall_blacklisted+0x198/0x198 [ 707.772595] [] ? up_write+0x8c/0xd9 [ 707.794623] [] ? down_write_trylock+0x100/0x100 [ 707.815068] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 707.839636] [] kernel_init_freeable+0x457/0x518 [ 707.859733] [] kernel_init+0x16/0x181 [ 707.878614] [] ret_from_fork+0x1f/0x40 [ 707.900312] [] ? rest_init+0x8f/0x8f [ 707.917709] ================================================================================ [ 707.951143] ================================================================================ [ 707.978879] UBSAN: Undefined behaviour in net/core/dev.c:7232:42 [ 707.996700] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 708.027447] which requires 64 byte alignment [ 708.041395] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 708.064663] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 708.098804] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 708.124015] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 708.155265] 0000000000000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 708.182425] Call Trace: [ 708.190471] [] dump_stack+0xd7/0x132 [ 708.210076] [] ? arch_local_irq_restore+0x1b/0x1b [ 708.231870] [] ubsan_epilogue+0x12/0x53 [ 708.251201] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 708.276174] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 708.301736] [] register_netdevice+0xa52/0xc2b [ 708.324081] [] register_netdev+0x21/0x2e [ 708.342059] [] loopback_net_init+0x82/0x150 [ 708.363162] [] ? loopback_xmit+0x341/0x341 [ 708.387320] [] ops_init+0x364/0x3c8 [ 708.407534] [] ? __list_add+0x211/0x249 [ 708.429706] [] ? net_alloc_generic+0x64/0x64 [ 708.450380] [] register_pernet_operations+0x28a/0x3ea [ 708.472125] [] ? unregister_pernet_device+0x73/0x73 [ 708.496614] [] register_pernet_device+0x2f/0x6b [ 708.518674] [] net_dev_init+0x57c/0x61a [ 708.535372] [] ? netdev_boot_setup+0x232/0x232 [ 708.556722] [] ? netdev_boot_setup+0x232/0x232 [ 708.579074] [] do_one_initcall+0x16d/0x258 [ 708.597643] [] ? initcall_blacklisted+0x198/0x198 [ 708.622657] [] ? up_write+0x8c/0xd9 [ 708.639859] [] ? down_write_trylock+0x100/0x100 [ 708.660219] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 708.687681] [] kernel_init_freeable+0x457/0x518 [ 708.710390] [] kernel_init+0x16/0x181 [ 708.730927] [] ret_from_fork+0x1f/0x40 [ 708.745969] [] ? rest_init+0x8f/0x8f [ 708.763886] ================================================================================ [ 708.797630] ================================================================================ [ 708.823942] UBSAN: Undefined behaviour in net/core/dev.c:7232:27 [ 708.849412] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 708.878600] which requires 64 byte alignment [ 708.891510] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 708.915062] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 708.951905] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 708.977725] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 709.001544] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 709.035015] Call Trace: [ 709.043173] [] dump_stack+0xd7/0x132 [ 709.062095] [] ? arch_local_irq_restore+0x1b/0x1b [ 709.086029] [] ubsan_epilogue+0x12/0x53 [ 709.104122] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 709.127650] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 709.152657] [] register_netdevice+0xa84/0xc2b [ 709.175269] [] register_netdev+0x21/0x2e [ 709.194888] [] loopback_net_init+0x82/0x150 [ 709.218819] [] ? loopback_xmit+0x341/0x341 [ 709.239961] [] ops_init+0x364/0x3c8 [ 709.258981] [] ? __list_add+0x211/0x249 [ 709.277743] [] ? net_alloc_generic+0x64/0x64 [ 709.299891] [] register_pernet_operations+0x28a/0x3ea [ 709.322574] [] ? unregister_pernet_device+0x73/0x73 [ 709.346092] [] register_pernet_device+0x2f/0x6b [ 709.370257] [] net_dev_init+0x57c/0x61a [ 709.388485] [] ? netdev_boot_setup+0x232/0x232 [ 709.411969] [] ? netdev_boot_setup+0x232/0x232 [ 709.434427] [] do_one_initcall+0x16d/0x258 [ 709.454367] [] ? initcall_blacklisted+0x198/0x198 [ 709.477192] [] ? up_write+0x8c/0xd9 [ 709.495112] [] ? down_write_trylock+0x100/0x100 [ 709.518601] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 709.540658] [] kernel_init_freeable+0x457/0x518 [ 709.561333] [] kernel_init+0x16/0x181 [ 709.583231] [] ret_from_fork+0x1f/0x40 [ 709.602818] [] ? rest_init+0x8f/0x8f [ 709.619007] ================================================================================ [ 709.654473] ================================================================================ [ 709.682708] UBSAN: Undefined behaviour in net/core/dev.c:7238:9 [ 709.702655] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 709.734664] which requires 64 byte alignment [ 709.750821] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 709.773201] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 709.802330] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 709.830866] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 709.857978] d09e820200000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 709.884025] Call Trace: [ 709.893745] [] dump_stack+0xd7/0x132 [ 709.912969] [] ? arch_local_irq_restore+0x1b/0x1b [ 709.932857] [] ubsan_epilogue+0x12/0x53 [ 709.950982] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 709.972734] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 709.996418] [] register_netdevice+0xabb/0xc2b [ 710.014340] [] register_netdev+0x21/0x2e [ 710.033788] [] loopback_net_init+0x82/0x150 [ 710.056536] [] ? loopback_xmit+0x341/0x341 [ 710.075831] [] ops_init+0x364/0x3c8 [ 710.093886] [] ? __list_add+0x211/0x249 [ 710.114997] [] ? net_alloc_generic+0x64/0x64 [ 710.137375] [] register_pernet_operations+0x28a/0x3ea [ 710.160902] [] ? unregister_pernet_device+0x73/0x73 [ 710.183096] [] register_pernet_device+0x2f/0x6b [ 710.204717] [] net_dev_init+0x57c/0x61a [ 710.222434] [] ? netdev_boot_setup+0x232/0x232 [ 710.246560] [] ? netdev_boot_setup+0x232/0x232 [ 710.268466] [] do_one_initcall+0x16d/0x258 [ 710.288682] [] ? initcall_blacklisted+0x198/0x198 [ 710.314232] [] ? up_write+0x8c/0xd9 [ 710.330988] [] ? down_write_trylock+0x100/0x100 [ 710.352896] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 710.373637] [] kernel_init_freeable+0x457/0x518 [ 710.397386] [] kernel_init+0x16/0x181 [ 710.417361] [] ret_from_fork+0x1f/0x40 [ 710.437472] [] ? rest_init+0x8f/0x8f [ 710.457595] ================================================================================ [ 710.489590] ================================================================================ [ 710.520828] UBSAN: Undefined behaviour in net/core/dev.c:7239:44 [ 710.546911] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 710.580439] which requires 64 byte alignment [ 710.599927] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 710.619875] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 710.653813] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 710.682099] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 710.710398] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 710.735588] Call Trace: [ 710.742037] [] dump_stack+0xd7/0x132 [ 710.763876] [] ? arch_local_irq_restore+0x1b/0x1b [ 710.785351] [] ubsan_epilogue+0x12/0x53 [ 710.807936] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 710.833538] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 710.860554] [] register_netdevice+0xaee/0xc2b [ 710.884446] [] register_netdev+0x21/0x2e [ 710.908586] [] loopback_net_init+0x82/0x150 [ 710.931148] [] ? loopback_xmit+0x341/0x341 [ 710.956908] [] ops_init+0x364/0x3c8 [ 710.976584] [] ? __list_add+0x211/0x249 [ 711.005812] [] ? net_alloc_generic+0x64/0x64 [ 711.036771] [] register_pernet_operations+0x28a/0x3ea [ 711.069736] [] ? unregister_pernet_device+0x73/0x73 [ 711.098038] [] register_pernet_device+0x2f/0x6b [ 711.124611] [] net_dev_init+0x57c/0x61a [ 711.151945] [] ? netdev_boot_setup+0x232/0x232 [ 711.176020] [] ? netdev_boot_setup+0x232/0x232 [ 711.200947] [] do_one_initcall+0x16d/0x258 [ 711.221412] [] ? initcall_blacklisted+0x198/0x198 [ 711.241071] [] ? up_write+0x8c/0xd9 [ 711.258864] [] ? down_write_trylock+0x100/0x100 [ 711.276043] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 711.295999] [] kernel_init_freeable+0x457/0x518 [ 711.317335] [] kernel_init+0x16/0x181 [ 711.335017] [] ret_from_fork+0x1f/0x40 [ 711.354849] [] ? rest_init+0x8f/0x8f [ 711.370684] ================================================================================ [ 711.400696] ================================================================================ [ 711.434038] UBSAN: Undefined behaviour in net/core/dev.c:7239:29 [ 711.457077] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 711.492685] which requires 64 byte alignment [ 711.509591] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 711.533429] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 711.571189] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 711.599878] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 711.633003] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 711.661923] Call Trace: [ 711.673674] [] dump_stack+0xd7/0x132 [ 711.689542] [] ? arch_local_irq_restore+0x1b/0x1b [ 711.713939] [] ubsan_epilogue+0x12/0x53 [ 711.735034] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 711.755352] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 711.783106] [] register_netdevice+0xb17/0xc2b [ 711.804270] [] register_netdev+0x21/0x2e [ 711.823050] [] loopback_net_init+0x82/0x150 [ 711.844537] [] ? loopback_xmit+0x341/0x341 [ 711.867110] [] ops_init+0x364/0x3c8 [ 711.889922] [] ? __list_add+0x211/0x249 [ 711.909624] [] ? net_alloc_generic+0x64/0x64 [ 711.934449] [] register_pernet_operations+0x28a/0x3ea [ 711.960138] [] ? unregister_pernet_device+0x73/0x73 [ 711.986338] [] register_pernet_device+0x2f/0x6b [ 712.010474] [] net_dev_init+0x57c/0x61a [ 712.033434] [] ? netdev_boot_setup+0x232/0x232 [ 712.057209] [] ? netdev_boot_setup+0x232/0x232 [ 712.079560] [] do_one_initcall+0x16d/0x258 [ 712.107268] [] ? initcall_blacklisted+0x198/0x198 [ 712.132231] [] ? up_write+0x8c/0xd9 [ 712.160135] [] ? down_write_trylock+0x100/0x100 [ 712.182663] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 712.208463] [] kernel_init_freeable+0x457/0x518 [ 712.233626] [] kernel_init+0x16/0x181 [ 712.253024] [] ret_from_fork+0x1f/0x40 [ 712.273675] [] ? rest_init+0x8f/0x8f [ 712.289381] ================================================================================ [ 712.321003] ================================================================================ [ 712.351776] UBSAN: Undefined behaviour in net/core/dev.c:7252:10 [ 712.372908] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 712.459558] which requires 64 byte alignment [ 712.499392] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 712.552366] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 712.614551] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 712.667690] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 712.716255] ffffffff00000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 713.258033] Call Trace: [ 713.269470] [] dump_stack+0xd7/0x132 [ 713.289970] [] ? arch_local_irq_restore+0x1b/0x1b [ 713.314909] [] ubsan_epilogue+0x12/0x53 [ 713.335551] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 713.360722] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 713.388757] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 713.414563] [] register_netdevice+0xbae/0xc2b [ 713.435648] [] register_netdev+0x21/0x2e [ 713.456116] [] loopback_net_init+0x82/0x150 [ 713.478717] [] ? loopback_xmit+0x341/0x341 [ 713.499926] [] ops_init+0x364/0x3c8 [ 713.521628] [] ? __list_add+0x211/0x249 [ 713.545792] [] ? net_alloc_generic+0x64/0x64 [ 713.570024] [] register_pernet_operations+0x28a/0x3ea [ 713.591512] [] ? unregister_pernet_device+0x73/0x73 [ 713.614959] [] register_pernet_device+0x2f/0x6b [ 713.638691] [] net_dev_init+0x57c/0x61a [ 713.657806] [] ? netdev_boot_setup+0x232/0x232 [ 713.679433] [] ? netdev_boot_setup+0x232/0x232 [ 713.699928] [] do_one_initcall+0x16d/0x258 [ 713.715874] [] ? initcall_blacklisted+0x198/0x198 [ 713.737623] [] ? up_write+0x8c/0xd9 [ 713.755568] [] ? down_write_trylock+0x100/0x100 [ 713.775994] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 713.797577] [] kernel_init_freeable+0x457/0x518 [ 713.821964] [] kernel_init+0x16/0x181 [ 713.840409] [] ret_from_fork+0x1f/0x40 [ 713.860267] [] ? rest_init+0x8f/0x8f [ 713.878924] ================================================================================ [ 713.912172] ================================================================================ [ 713.941646] UBSAN: Undefined behaviour in net/core/rtnetlink.c:2747:9 [ 713.966325] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 713.999061] which requires 64 byte alignment [ 714.016044] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 714.036598] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 714.077383] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa58 ffffffffb26ec5cc [ 714.109831] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 714.139013] 0000000000000010 ffff88005c9dfa80 ffff88005c9dfa30 ffffffffb363c3e0 [ 714.176081] Call Trace: [ 714.192155] [] dump_stack+0xd7/0x132 [ 714.233102] [] ? arch_local_irq_restore+0x1b/0x1b [ 714.264850] [] ubsan_epilogue+0x12/0x53 [ 714.290116] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 714.313189] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 714.337434] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 714.362043] [] rtmsg_ifinfo+0x3a/0x8e [ 714.379972] [] register_netdevice+0xbde/0xc2b [ 714.400883] [] register_netdev+0x21/0x2e [ 714.418654] [] loopback_net_init+0x82/0x150 [ 714.439907] [] ? loopback_xmit+0x341/0x341 [ 714.458965] [] ops_init+0x364/0x3c8 [ 714.476185] [] ? __list_add+0x211/0x249 [ 714.494372] [] ? net_alloc_generic+0x64/0x64 [ 714.516645] [] register_pernet_operations+0x28a/0x3ea [ 714.547871] [] ? unregister_pernet_device+0x73/0x73 [ 714.577643] [] register_pernet_device+0x2f/0x6b [ 714.609271] [] net_dev_init+0x57c/0x61a [ 714.637060] [] ? netdev_boot_setup+0x232/0x232 [ 714.661840] [] ? netdev_boot_setup+0x232/0x232 [ 714.692735] [] do_one_initcall+0x16d/0x258 [ 714.722117] [] ? initcall_blacklisted+0x198/0x198 [ 714.755471] [] ? up_write+0x8c/0xd9 [ 714.778450] [] ? down_write_trylock+0x100/0x100 [ 714.814772] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 714.841863] [] kernel_init_freeable+0x457/0x518 [ 714.874151] [] kernel_init+0x16/0x181 [ 714.899094] [] ret_from_fork+0x1f/0x40 [ 714.923964] [] ? rest_init+0x8f/0x8f [ 714.952400] ================================================================================ [ 715.004395] ================================================================================ [ 715.035914] UBSAN: Undefined behaviour in net/core/rtnetlink.c:837:14 [ 715.060498] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 715.096776] which requires 64 byte alignment [ 715.114892] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 715.134285] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 715.169377] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9c0 ffffffffb26ec5cc [ 715.194692] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 715.220389] ffff880000000010 ffff88005c9df9e8 ffff88005c9df998 ffffffffb363c3e0 [ 715.249162] Call Trace: [ 715.257573] [] dump_stack+0xd7/0x132 [ 715.275244] [] ? arch_local_irq_restore+0x1b/0x1b [ 715.296686] [] ubsan_epilogue+0x12/0x53 [ 715.316581] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 715.341666] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 715.370889] [] ? arch_local_irq_restore+0x6/0xd [ 715.392017] [] if_nlmsg_size+0x53/0x756 [ 715.410381] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 715.434244] [] rtmsg_ifinfo_build_skb+0x5d/0xfc [ 715.457543] [] rtmsg_ifinfo+0x65/0x8e [ 715.480582] [] register_netdevice+0xbde/0xc2b [ 715.512928] [] register_netdev+0x21/0x2e [ 715.538890] [] loopback_net_init+0x82/0x150 [ 715.569261] [] ? loopback_xmit+0x341/0x341 [ 715.594823] [] ops_init+0x364/0x3c8 [ 715.621575] [] ? __list_add+0x211/0x249 [ 715.657429] [] ? net_alloc_generic+0x64/0x64 [ 715.686260] [] register_pernet_operations+0x28a/0x3ea [ 715.729317] [] ? unregister_pernet_device+0x73/0x73 [ 715.756410] [] register_pernet_device+0x2f/0x6b [ 715.777105] [] net_dev_init+0x57c/0x61a [ 715.798355] [] ? netdev_boot_setup+0x232/0x232 [ 715.822069] [] ? netdev_boot_setup+0x232/0x232 [ 715.847192] [] do_one_initcall+0x16d/0x258 [ 715.870506] [] ? initcall_blacklisted+0x198/0x198 [ 715.890393] [] ? up_write+0x8c/0xd9 [ 715.907034] [] ? down_write_trylock+0x100/0x100 [ 715.929063] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 715.950640] [] kernel_init_freeable+0x457/0x518 [ 715.973629] [] kernel_init+0x16/0x181 [ 715.991862] [] ret_from_fork+0x1f/0x40 [ 716.009929] [] ? rest_init+0x8f/0x8f [ 716.027069] ================================================================================ [ 716.056977] ================================================================================ [ 716.095232] UBSAN: Undefined behaviour in net/core/rtnetlink.c:884:10 [ 716.129146] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 716.173561] which requires 64 byte alignment [ 716.192483] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 716.220838] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 716.266367] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9c0 ffffffffb26ec5cc [ 716.300422] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 716.337279] ffff880000000010 ffff88005c9df9e8 ffff88005c9df998 ffffffffb363c3e0 [ 716.372535] Call Trace: [ 716.379509] [] dump_stack+0xd7/0x132 [ 716.405714] [] ? arch_local_irq_restore+0x1b/0x1b [ 716.429469] [] ubsan_epilogue+0x12/0x53 [ 716.456453] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 716.490840] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 716.528233] [] ? arch_local_irq_restore+0x6/0xd [ 716.559809] [] if_nlmsg_size+0x1c2/0x756 [ 716.577723] [] rtmsg_ifinfo_build_skb+0x5d/0xfc [ 716.606612] [] rtmsg_ifinfo+0x65/0x8e [ 716.624720] [] register_netdevice+0xbde/0xc2b [ 716.647913] [] register_netdev+0x21/0x2e [ 716.667323] [] loopback_net_init+0x82/0x150 [ 716.685399] [] ? loopback_xmit+0x341/0x341 [ 716.704100] [] ops_init+0x364/0x3c8 [ 716.720730] [] ? __list_add+0x211/0x249 [ 716.742087] [] ? net_alloc_generic+0x64/0x64 [ 716.763304] [] register_pernet_operations+0x28a/0x3ea [ 716.789447] [] ? unregister_pernet_device+0x73/0x73 [ 716.811040] [] register_pernet_device+0x2f/0x6b [ 716.833848] [] net_dev_init+0x57c/0x61a [ 716.854965] [] ? netdev_boot_setup+0x232/0x232 [ 716.875416] [] ? netdev_boot_setup+0x232/0x232 [ 716.896393] [] do_one_initcall+0x16d/0x258 [ 716.914448] [] ? initcall_blacklisted+0x198/0x198 [ 716.939387] [] ? up_write+0x8c/0xd9 [ 716.957046] [] ? down_write_trylock+0x100/0x100 [ 716.979243] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 717.003444] [] kernel_init_freeable+0x457/0x518 [ 717.027552] [] kernel_init+0x16/0x181 [ 717.043737] [] ret_from_fork+0x1f/0x40 [ 717.064436] [] ? rest_init+0x8f/0x8f [ 717.084171] ================================================================================ [ 717.116352] ================================================================================ [ 717.143569] UBSAN: Undefined behaviour in net/core/rtnetlink.c:447:30 [ 717.164787] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 717.195617] which requires 64 byte alignment [ 717.209491] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 717.231173] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 717.260266] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9c0 ffffffffb26ec5cc [ 717.289148] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 717.316230] ffff880000000010 ffff88005c9df9e8 ffff88005c9df998 ffffffffb363c3e0 [ 717.345550] Call Trace: [ 717.354576] [] dump_stack+0xd7/0x132 [ 717.372402] [] ? arch_local_irq_restore+0x1b/0x1b [ 717.396110] [] ubsan_epilogue+0x12/0x53 [ 717.423070] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 717.458033] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 717.490921] [] ? arch_local_irq_restore+0x6/0xd [ 717.522840] [] if_nlmsg_size+0x3b2/0x756 [ 717.548075] [] rtmsg_ifinfo_build_skb+0x5d/0xfc [ 717.575172] [] rtmsg_ifinfo+0x65/0x8e [ 717.594153] [] register_netdevice+0xbde/0xc2b [ 717.615066] [] register_netdev+0x21/0x2e [ 717.636018] [] loopback_net_init+0x82/0x150 [ 717.655998] [] ? loopback_xmit+0x341/0x341 [ 717.674585] [] ops_init+0x364/0x3c8 [ 717.688499] [] ? __list_add+0x211/0x249 [ 717.706371] [] ? net_alloc_generic+0x64/0x64 [ 717.725092] [] register_pernet_operations+0x28a/0x3ea [ 717.772021] [] ? unregister_pernet_device+0x73/0x73 [ 717.799764] [] register_pernet_device+0x2f/0x6b [ 717.821236] [] net_dev_init+0x57c/0x61a [ 717.839945] [] ? netdev_boot_setup+0x232/0x232 [ 717.868680] [] ? netdev_boot_setup+0x232/0x232 [ 717.895590] [] do_one_initcall+0x16d/0x258 [ 717.926796] [] ? initcall_blacklisted+0x198/0x198 [ 717.960335] [] ? up_write+0x8c/0xd9 [ 717.985451] [] ? down_write_trylock+0x100/0x100 [ 718.012187] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 718.043613] [] kernel_init_freeable+0x457/0x518 [ 718.078864] [] kernel_init+0x16/0x181 [ 718.107295] [] ret_from_fork+0x1f/0x40 [ 718.132815] [] ? rest_init+0x8f/0x8f [ 718.151242] ================================================================================ [ 718.186941] ================================================================================ [ 718.218025] UBSAN: Undefined behaviour in net/core/rtnetlink.c:898:10 [ 718.247671] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 718.280290] which requires 64 byte alignment [ 718.294012] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 718.313216] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 718.351976] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9c0 ffffffffb26ec5cc [ 718.377366] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 718.414129] ffff880000000010 ffff88005c9df9e8 ffff88005c9df998 ffffffffb363c3e0 [ 718.453778] Call Trace: [ 718.460600] [] dump_stack+0xd7/0x132 [ 718.483114] [] ? arch_local_irq_restore+0x1b/0x1b [ 718.514021] [] ubsan_epilogue+0x12/0x53 [ 718.544560] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 718.579264] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 718.611924] [] ? arch_local_irq_restore+0x6/0xd [ 718.643050] [] if_nlmsg_size+0x6f3/0x756 [ 718.673854] [] rtmsg_ifinfo_build_skb+0x5d/0xfc [ 718.701765] [] rtmsg_ifinfo+0x65/0x8e [ 718.727417] [] register_netdevice+0xbde/0xc2b [ 718.765908] [] register_netdev+0x21/0x2e [ 718.789021] [] loopback_net_init+0x82/0x150 [ 718.812395] [] ? loopback_xmit+0x341/0x341 [ 718.834489] [] ops_init+0x364/0x3c8 [ 718.854972] [] ? __list_add+0x211/0x249 [ 718.875317] [] ? net_alloc_generic+0x64/0x64 [ 718.899985] [] register_pernet_operations+0x28a/0x3ea [ 718.927540] [] ? unregister_pernet_device+0x73/0x73 [ 718.948136] [] register_pernet_device+0x2f/0x6b [ 718.964849] [] net_dev_init+0x57c/0x61a [ 718.985105] [] ? netdev_boot_setup+0x232/0x232 [ 719.003982] [] ? netdev_boot_setup+0x232/0x232 [ 719.030292] [] do_one_initcall+0x16d/0x258 [ 719.046568] [] ? initcall_blacklisted+0x198/0x198 [ 719.067981] [] ? up_write+0x8c/0xd9 [ 719.089179] [] ? down_write_trylock+0x100/0x100 [ 719.111923] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 719.136641] [] kernel_init_freeable+0x457/0x518 [ 719.157888] [] kernel_init+0x16/0x181 [ 719.179655] [] ret_from_fork+0x1f/0x40 [ 719.197746] [] ? rest_init+0x8f/0x8f [ 719.216471] ================================================================================ [ 719.973332] ================================================================================ [ 720.006891] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1270:21 [ 720.031792] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 720.061798] which requires 64 byte alignment [ 720.078211] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 720.101838] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 720.137637] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 720.165607] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 720.195551] ffffffff00000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 720.224995] Call Trace: [ 720.237961] [] dump_stack+0xd7/0x132 [ 720.260404] [] ? arch_local_irq_restore+0x1b/0x1b [ 720.291012] [] ubsan_epilogue+0x12/0x53 [ 720.313853] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 720.353364] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 720.380644] [] ? nlmsg_put+0x109/0x11a [ 720.400883] [] rtnl_fill_ifinfo+0x216/0x251b [ 720.426133] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 720.446559] [] ? __alloc_skb+0x139/0x503 [ 720.464372] [] ? ___slab_alloc+0xb72/0xbd2 [ 720.486131] [] ? ___slab_alloc+0xb72/0xbd2 [ 720.507816] [] ? __alloc_skb+0x139/0x503 [ 720.533702] [] ? kasan_poison_shadow+0x2f/0x31 [ 720.562544] [] ? kasan_unpoison_shadow+0x14/0x35 [ 720.609026] [] ? kasan_kmalloc+0x94/0xa3 [ 720.641744] [] ? kasan_slab_alloc+0x12/0x14 [ 720.679821] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 720.709942] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 720.752144] [] ? __alloc_skb+0x139/0x503 [ 720.769622] [] ? kasan_poison_shadow+0x2f/0x31 [ 720.794165] [] ? kasan_unpoison_shadow+0x14/0x35 [ 720.818238] [] ? __alloc_skb+0x4a9/0x503 [ 720.845818] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 720.868498] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 720.891728] [] ? arch_local_irq_restore+0x6/0xd [ 720.909787] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 720.930956] [] rtmsg_ifinfo+0x65/0x8e [ 720.949635] [] register_netdevice+0xbde/0xc2b [ 720.969525] [] register_netdev+0x21/0x2e [ 720.986069] [] loopback_net_init+0x82/0x150 [ 721.009533] [] ? loopback_xmit+0x341/0x341 [ 721.027841] [] ops_init+0x364/0x3c8 [ 721.049005] [] ? __list_add+0x211/0x249 [ 721.066345] [] ? net_alloc_generic+0x64/0x64 [ 721.087626] [] register_pernet_operations+0x28a/0x3ea [ 721.109140] [] ? unregister_pernet_device+0x73/0x73 [ 721.129331] [] register_pernet_device+0x2f/0x6b [ 721.150504] [] net_dev_init+0x57c/0x61a [ 721.167098] [] ? netdev_boot_setup+0x232/0x232 [ 721.189107] [] ? netdev_boot_setup+0x232/0x232 [ 721.212136] [] do_one_initcall+0x16d/0x258 [ 721.232905] [] ? initcall_blacklisted+0x198/0x198 [ 721.256272] [] ? up_write+0x8c/0xd9 [ 721.271684] [] ? down_write_trylock+0x100/0x100 [ 721.292976] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 721.317939] [] kernel_init_freeable+0x457/0x518 [ 721.340076] [] kernel_init+0x16/0x181 [ 721.355970] [] ret_from_fork+0x1f/0x40 [ 721.372447] [] ? rest_init+0x8f/0x8f [ 721.390210] ================================================================================ [ 721.420991] ================================================================================ [ 721.445159] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1271:22 [ 721.463661] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 721.492324] which requires 64 byte alignment [ 721.503920] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 721.527027] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 721.556265] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 721.582504] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 721.605866] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 721.629033] Call Trace: [ 721.635860] [] dump_stack+0xd7/0x132 [ 721.654407] [] ? arch_local_irq_restore+0x1b/0x1b [ 721.677098] [] ubsan_epilogue+0x12/0x53 [ 721.696375] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 721.716881] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 721.738344] [] ? nlmsg_put+0x109/0x11a [ 721.755997] [] rtnl_fill_ifinfo+0x283/0x251b [ 721.775336] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 721.795346] [] ? __alloc_skb+0x139/0x503 [ 721.812241] [] ? ___slab_alloc+0xb72/0xbd2 [ 721.831733] [] ? ___slab_alloc+0xb72/0xbd2 [ 721.852399] [] ? __alloc_skb+0x139/0x503 [ 721.869665] [] ? kasan_poison_shadow+0x2f/0x31 [ 721.890650] [] ? kasan_unpoison_shadow+0x14/0x35 [ 721.911382] [] ? kasan_kmalloc+0x94/0xa3 [ 721.928911] [] ? kasan_slab_alloc+0x12/0x14 [ 721.949227] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 721.967732] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 721.992319] [] ? __alloc_skb+0x139/0x503 [ 722.009386] [] ? kasan_poison_shadow+0x2f/0x31 [ 722.030299] [] ? kasan_unpoison_shadow+0x14/0x35 [ 722.049687] [] ? __alloc_skb+0x4a9/0x503 [ 722.073082] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 722.095054] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 722.118569] [] ? arch_local_irq_restore+0x6/0xd [ 722.142292] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 722.161661] [] rtmsg_ifinfo+0x65/0x8e [ 722.181096] [] register_netdevice+0xbde/0xc2b [ 722.202089] [] register_netdev+0x21/0x2e [ 722.223830] [] loopback_net_init+0x82/0x150 [ 722.243062] [] ? loopback_xmit+0x341/0x341 [ 722.263201] [] ops_init+0x364/0x3c8 [ 722.280927] [] ? __list_add+0x211/0x249 [ 722.308114] [] ? net_alloc_generic+0x64/0x64 [ 722.326060] [] register_pernet_operations+0x28a/0x3ea [ 722.344097] [] ? unregister_pernet_device+0x73/0x73 [ 722.363567] [] register_pernet_device+0x2f/0x6b [ 722.384819] [] net_dev_init+0x57c/0x61a [ 722.401422] [] ? netdev_boot_setup+0x232/0x232 [ 722.426450] [] ? netdev_boot_setup+0x232/0x232 [ 722.448711] [] do_one_initcall+0x16d/0x258 [ 722.468105] [] ? initcall_blacklisted+0x198/0x198 [ 722.486924] [] ? up_write+0x8c/0xd9 [ 722.502447] [] ? down_write_trylock+0x100/0x100 [ 722.522531] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 722.542331] [] kernel_init_freeable+0x457/0x518 [ 722.561033] [] kernel_init+0x16/0x181 [ 722.581173] [] ret_from_fork+0x1f/0x40 [ 722.602637] [] ? rest_init+0x8f/0x8f [ 722.621034] ================================================================================ [ 722.647328] ================================================================================ [ 722.672197] UBSAN: Undefined behaviour in net/core/dev.c:6342:14 [ 722.689739] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 722.715291] which requires 64 byte alignment [ 722.731722] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 722.750748] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 722.779918] 00000000ffffffff 00000000b1a89c60 ffff88005c9df638 ffffffffb26ec5cc [ 722.803435] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 722.827504] ffff880000000010 ffff88005c9df660 ffff88005c9df610 ffffffffb363c3e0 [ 722.853935] Call Trace: [ 722.860335] [] dump_stack+0xd7/0x132 [ 722.878400] [] ? arch_local_irq_restore+0x1b/0x1b [ 722.904403] [] ubsan_epilogue+0x12/0x53 [ 722.925056] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 722.950884] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 722.976115] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 723.002680] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 723.025890] [] dev_get_flags+0x2f/0x177 [ 723.042744] [] rtnl_fill_ifinfo+0x2e7/0x251b [ 723.063293] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 723.086741] [] ? __alloc_skb+0x139/0x503 [ 723.104631] [] ? ___slab_alloc+0xb72/0xbd2 [ 723.122750] [] ? ___slab_alloc+0xb72/0xbd2 [ 723.143383] [] ? __alloc_skb+0x139/0x503 [ 723.165731] [] ? kasan_poison_shadow+0x2f/0x31 [ 723.183471] [] ? kasan_unpoison_shadow+0x14/0x35 [ 723.203423] [] ? kasan_kmalloc+0x94/0xa3 [ 723.220400] [] ? kasan_slab_alloc+0x12/0x14 [ 723.243392] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 723.266650] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 723.289091] [] ? __alloc_skb+0x139/0x503 [ 723.306980] [] ? kasan_poison_shadow+0x2f/0x31 [ 723.329697] [] ? kasan_unpoison_shadow+0x14/0x35 [ 723.347073] [] ? __alloc_skb+0x4a9/0x503 [ 723.364298] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 723.388407] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 723.414919] [] ? arch_local_irq_restore+0x6/0xd [ 723.436128] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 723.455992] [] rtmsg_ifinfo+0x65/0x8e [ 723.475790] [] register_netdevice+0xbde/0xc2b [ 723.494467] [] register_netdev+0x21/0x2e [ 723.511075] [] loopback_net_init+0x82/0x150 [ 723.531327] [] ? loopback_xmit+0x341/0x341 [ 723.550104] [] ops_init+0x364/0x3c8 [ 723.565103] [] ? __list_add+0x211/0x249 [ 723.590145] [] ? net_alloc_generic+0x64/0x64 [ 723.608426] [] register_pernet_operations+0x28a/0x3ea [ 723.630551] [] ? unregister_pernet_device+0x73/0x73 [ 723.650684] [] register_pernet_device+0x2f/0x6b [ 723.671265] [] net_dev_init+0x57c/0x61a [ 723.695470] [] ? netdev_boot_setup+0x232/0x232 [ 723.713485] [] ? netdev_boot_setup+0x232/0x232 [ 723.731741] [] do_one_initcall+0x16d/0x258 [ 723.750181] [] ? initcall_blacklisted+0x198/0x198 [ 723.770167] [] ? up_write+0x8c/0xd9 [ 723.793644] [] ? down_write_trylock+0x100/0x100 [ 723.810748] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 723.834043] [] kernel_init_freeable+0x457/0x518 [ 723.854553] [] kernel_init+0x16/0x181 [ 723.870221] [] ret_from_fork+0x1f/0x40 [ 723.889280] [] ? rest_init+0x8f/0x8f [ 723.906245] ================================================================================ [ 723.934921] ================================================================================ [ 723.960474] UBSAN: Undefined behaviour in net/core/dev.c:6347:7 [ 723.979272] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 724.031651] which requires 64 byte alignment [ 724.115689] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 724.141953] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 724.172378] 00000000ffffffff 00000000b1a89c60 ffff88005c9df638 ffffffffb26ec5cc [ 724.197645] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 724.227239] ffffffff00000010 ffff88005c9df660 ffff88005c9df610 ffffffffb363c3e0 [ 724.252556] Call Trace: [ 724.258652] [] dump_stack+0xd7/0x132 [ 724.277418] [] ? arch_local_irq_restore+0x1b/0x1b [ 724.298083] [] ubsan_epilogue+0x12/0x53 [ 724.313224] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 724.333462] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 724.355288] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 724.382112] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 724.408949] [] dev_get_flags+0x62/0x177 [ 724.429559] [] rtnl_fill_ifinfo+0x2e7/0x251b [ 724.450000] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 724.477021] [] ? __alloc_skb+0x139/0x503 [ 724.495023] [] ? ___slab_alloc+0xb72/0xbd2 [ 724.510897] [] ? ___slab_alloc+0xb72/0xbd2 [ 724.527498] [] ? __alloc_skb+0x139/0x503 [ 724.550093] [] ? kasan_poison_shadow+0x2f/0x31 [ 724.571703] [] ? kasan_unpoison_shadow+0x14/0x35 [ 724.589553] [] ? kasan_kmalloc+0x94/0xa3 [ 724.607218] [] ? kasan_slab_alloc+0x12/0x14 [ 724.629758] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 724.650460] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 724.674669] [] ? __alloc_skb+0x139/0x503 [ 724.692721] [] ? kasan_poison_shadow+0x2f/0x31 [ 724.717445] [] ? kasan_unpoison_shadow+0x14/0x35 [ 724.740210] [] ? __alloc_skb+0x4a9/0x503 [ 724.759810] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 724.780546] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 724.802663] [] ? arch_local_irq_restore+0x6/0xd [ 724.818931] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 724.842819] [] rtmsg_ifinfo+0x65/0x8e [ 724.867382] [] register_netdevice+0xbde/0xc2b [ 724.897059] [] register_netdev+0x21/0x2e [ 724.918914] [] loopback_net_init+0x82/0x150 [ 724.938043] [] ? loopback_xmit+0x341/0x341 [ 724.955876] [] ops_init+0x364/0x3c8 [ 724.973437] [] ? __list_add+0x211/0x249 [ 724.993349] [] ? net_alloc_generic+0x64/0x64 [ 725.009947] [] register_pernet_operations+0x28a/0x3ea [ 725.032378] [] ? unregister_pernet_device+0x73/0x73 [ 725.052645] [] register_pernet_device+0x2f/0x6b [ 725.070179] [] net_dev_init+0x57c/0x61a [ 725.086897] [] ? netdev_boot_setup+0x232/0x232 [ 725.105720] [] ? netdev_boot_setup+0x232/0x232 [ 725.122652] [] do_one_initcall+0x16d/0x258 [ 725.141509] [] ? initcall_blacklisted+0x198/0x198 [ 725.171812] [] ? up_write+0x8c/0xd9 [ 725.185570] [] ? down_write_trylock+0x100/0x100 [ 725.233784] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 725.290057] [] kernel_init_freeable+0x457/0x518 [ 725.329802] [] kernel_init+0x16/0x181 [ 725.372129] [] ret_from_fork+0x1f/0x40 [ 725.415323] [] ? rest_init+0x8f/0x8f [ 725.445782] ================================================================================ [ 725.515353] ================================================================================ [ 725.576189] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1276:39 [ 725.610868] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 725.675562] which requires 64 byte alignment [ 725.712524] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 725.753796] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 725.817450] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 725.870026] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 725.948058] 0000000000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 725.997234] Call Trace: [ 726.018048] [] dump_stack+0xd7/0x132 [ 726.050133] [] ? arch_local_irq_restore+0x1b/0x1b [ 726.130855] [] ubsan_epilogue+0x12/0x53 [ 726.208851] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 726.281785] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 726.428361] [] ? nla_put+0x92/0xa0 [ 726.494129] [] rtnl_fill_ifinfo+0x392/0x251b [ 726.608211] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 726.725751] [] ? __alloc_skb+0x139/0x503 [ 726.851799] [] ? ___slab_alloc+0xb72/0xbd2 [ 727.140759] [] ? ___slab_alloc+0xb72/0xbd2 [ 727.729077] [] ? __alloc_skb+0x139/0x503 [ 727.865426] [] ? kasan_poison_shadow+0x2f/0x31 [ 728.118013] [] ? kasan_unpoison_shadow+0x14/0x35 [ 728.326482] [] ? kasan_kmalloc+0x94/0xa3 [ 728.445466] [] ? kasan_slab_alloc+0x12/0x14 [ 728.638641] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 729.027163] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 729.279010] [] ? __alloc_skb+0x139/0x503 [ 729.537848] [] ? kasan_poison_shadow+0x2f/0x31 [ 729.983332] [] ? kasan_unpoison_shadow+0x14/0x35 [ 730.188253] [] ? __alloc_skb+0x4a9/0x503 [ 730.305467] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 730.418933] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 730.540289] [] ? arch_local_irq_restore+0x6/0xd [ 730.608018] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 730.748185] [] rtmsg_ifinfo+0x65/0x8e [ 730.900839] [] register_netdevice+0xbde/0xc2b [ 731.002195] [] register_netdev+0x21/0x2e [ 731.118761] [] loopback_net_init+0x82/0x150 [ 731.191802] [] ? loopback_xmit+0x341/0x341 [ 731.277077] [] ops_init+0x364/0x3c8 [ 731.324831] [] ? __list_add+0x211/0x249 [ 731.397949] [] ? net_alloc_generic+0x64/0x64 [ 731.453583] [] register_pernet_operations+0x28a/0x3ea [ 731.535341] [] ? unregister_pernet_device+0x73/0x73 [ 731.619200] [] register_pernet_device+0x2f/0x6b [ 731.676754] [] net_dev_init+0x57c/0x61a [ 731.738441] [] ? netdev_boot_setup+0x232/0x232 [ 731.818232] [] ? netdev_boot_setup+0x232/0x232 [ 731.882303] [] do_one_initcall+0x16d/0x258 [ 732.029446] [] ? initcall_blacklisted+0x198/0x198 [ 732.232556] [] ? up_write+0x8c/0xd9 [ 732.378967] [] ? down_write_trylock+0x100/0x100 [ 732.467738] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 732.583495] [] kernel_init_freeable+0x457/0x518 [ 732.674807] [] kernel_init+0x16/0x181 [ 732.746591] [] ret_from_fork+0x1f/0x40 [ 732.793457] [] ? rest_init+0x8f/0x8f [ 732.835426] ================================================================================ [ 733.050322] ================================================================================ [ 733.160411] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1279:40 [ 733.287748] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 733.446640] which requires 64 byte alignment [ 733.480155] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 733.575706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 733.695278] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 733.797341] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 733.870389] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 733.899799] Call Trace: [ 733.910431] [] dump_stack+0xd7/0x132 [ 733.932963] [] ? arch_local_irq_restore+0x1b/0x1b [ 733.964069] [] ubsan_epilogue+0x12/0x53 [ 733.986488] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 734.017828] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 734.051791] [] ? nla_put+0x92/0xa0 [ 734.073988] [] rtnl_fill_ifinfo+0x46f/0x251b [ 734.149724] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 734.173077] [] ? __alloc_skb+0x139/0x503 [ 734.197091] [] ? ___slab_alloc+0xb72/0xbd2 [ 734.222979] [] ? ___slab_alloc+0xb72/0xbd2 [ 734.243867] [] ? __alloc_skb+0x139/0x503 [ 734.334451] [] ? kasan_poison_shadow+0x2f/0x31 [ 734.378547] [] ? kasan_unpoison_shadow+0x14/0x35 [ 734.442963] [] ? kasan_kmalloc+0x94/0xa3 [ 734.467687] [] ? kasan_slab_alloc+0x12/0x14 [ 734.493337] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 734.515330] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 734.542868] [] ? __alloc_skb+0x139/0x503 [ 734.562738] [] ? kasan_poison_shadow+0x2f/0x31 [ 734.589779] [] ? kasan_unpoison_shadow+0x14/0x35 [ 734.615507] [] ? __alloc_skb+0x4a9/0x503 [ 734.641661] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 734.668319] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 734.711478] [] ? arch_local_irq_restore+0x6/0xd [ 734.734987] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 734.760617] [] rtmsg_ifinfo+0x65/0x8e [ 734.779120] [] register_netdevice+0xbde/0xc2b [ 734.808396] [] register_netdev+0x21/0x2e [ 734.833348] [] loopback_net_init+0x82/0x150 [ 734.860410] [] ? loopback_xmit+0x341/0x341 [ 734.896893] [] ops_init+0x364/0x3c8 [ 734.929570] [] ? __list_add+0x211/0x249 [ 734.970619] [] ? net_alloc_generic+0x64/0x64 [ 735.009808] [] register_pernet_operations+0x28a/0x3ea [ 735.037637] [] ? unregister_pernet_device+0x73/0x73 [ 735.069336] [] register_pernet_device+0x2f/0x6b [ 735.094348] [] net_dev_init+0x57c/0x61a [ 735.117947] [] ? netdev_boot_setup+0x232/0x232 [ 735.144494] [] ? netdev_boot_setup+0x232/0x232 [ 735.169053] [] do_one_initcall+0x16d/0x258 [ 735.190204] [] ? initcall_blacklisted+0x198/0x198 [ 735.214091] [] ? up_write+0x8c/0xd9 [ 735.232454] [] ? down_write_trylock+0x100/0x100 [ 735.259787] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 735.290712] [] kernel_init_freeable+0x457/0x518 [ 735.317455] [] kernel_init+0x16/0x181 [ 735.336763] [] ret_from_fork+0x1f/0x40 [ 735.359880] [] ? rest_init+0x8f/0x8f [ 735.384526] ================================================================================ [ 735.420640] ================================================================================ [ 735.453293] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1280:6 [ 735.484938] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 735.528941] which requires 64 byte alignment [ 735.548785] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 735.571923] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 735.610265] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 735.642024] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 735.678180] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 735.706522] Call Trace: [ 735.717259] [] dump_stack+0xd7/0x132 [ 735.740987] [] ? arch_local_irq_restore+0x1b/0x1b [ 735.766071] [] ubsan_epilogue+0x12/0x53 [ 735.790226] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 735.815114] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 735.845476] [] ? nla_put+0x92/0xa0 [ 735.864340] [] rtnl_fill_ifinfo+0x4c6/0x251b [ 735.885175] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 735.910356] [] ? __alloc_skb+0x139/0x503 [ 735.934081] [] ? ___slab_alloc+0xb72/0xbd2 [ 735.956824] [] ? ___slab_alloc+0xb72/0xbd2 [ 735.977783] [] ? __alloc_skb+0x139/0x503 [ 736.000140] [] ? kasan_poison_shadow+0x2f/0x31 [ 736.021957] [] ? kasan_unpoison_shadow+0x14/0x35 [ 736.049302] [] ? kasan_kmalloc+0x94/0xa3 [ 736.069353] [] ? kasan_slab_alloc+0x12/0x14 [ 736.096518] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 736.123675] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 736.151776] [] ? __alloc_skb+0x139/0x503 [ 736.171778] [] ? kasan_poison_shadow+0x2f/0x31 [ 736.196974] [] ? kasan_unpoison_shadow+0x14/0x35 [ 736.368843] [] ? __alloc_skb+0x4a9/0x503 [ 736.393870] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 736.420683] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 736.452218] [] ? arch_local_irq_restore+0x6/0xd [ 736.479767] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 736.509748] [] rtmsg_ifinfo+0x65/0x8e [ 736.545198] [] register_netdevice+0xbde/0xc2b [ 736.577075] [] register_netdev+0x21/0x2e [ 736.599212] [] loopback_net_init+0x82/0x150 [ 736.625558] [] ? loopback_xmit+0x341/0x341 [ 736.661305] [] ops_init+0x364/0x3c8 [ 736.680355] [] ? __list_add+0x211/0x249 [ 736.704216] [] ? net_alloc_generic+0x64/0x64 [ 736.736219] [] register_pernet_operations+0x28a/0x3ea [ 736.762153] [] ? unregister_pernet_device+0x73/0x73 [ 736.788440] [] register_pernet_device+0x2f/0x6b [ 736.816390] [] net_dev_init+0x57c/0x61a [ 736.837356] [] ? netdev_boot_setup+0x232/0x232 [ 736.866208] [] ? netdev_boot_setup+0x232/0x232 [ 736.887076] [] do_one_initcall+0x16d/0x258 [ 736.914034] [] ? initcall_blacklisted+0x198/0x198 [ 736.935180] [] ? up_write+0x8c/0xd9 [ 736.960420] [] ? down_write_trylock+0x100/0x100 [ 736.988068] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 737.016427] [] kernel_init_freeable+0x457/0x518 [ 737.039912] [] kernel_init+0x16/0x181 [ 737.060215] [] ret_from_fork+0x1f/0x40 [ 737.083405] [] ? rest_init+0x8f/0x8f [ 737.105978] ================================================================================ [ 737.145227] ================================================================================ [ 737.179938] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1281:38 [ 737.208139] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 737.247092] which requires 64 byte alignment [ 737.266549] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 737.307993] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 737.350568] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 737.380179] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 737.412933] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 737.447855] Call Trace: [ 737.457236] [] dump_stack+0xd7/0x132 [ 737.481847] [] ? arch_local_irq_restore+0x1b/0x1b [ 737.511037] [] ubsan_epilogue+0x12/0x53 [ 737.532260] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 737.559857] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 737.592616] [] ? nla_put+0x92/0xa0 [ 737.613570] [] rtnl_fill_ifinfo+0x50b/0x251b [ 737.639225] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 737.662901] [] ? __alloc_skb+0x139/0x503 [ 737.682508] [] ? ___slab_alloc+0xb72/0xbd2 [ 737.706544] [] ? ___slab_alloc+0xb72/0xbd2 [ 737.730347] [] ? __alloc_skb+0x139/0x503 [ 737.753770] [] ? kasan_poison_shadow+0x2f/0x31 [ 737.780468] [] ? kasan_unpoison_shadow+0x14/0x35 [ 737.804407] [] ? kasan_kmalloc+0x94/0xa3 [ 737.829363] [] ? kasan_slab_alloc+0x12/0x14 [ 737.854238] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 737.878105] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 737.909867] [] ? __alloc_skb+0x139/0x503 [ 737.931790] [] ? kasan_poison_shadow+0x2f/0x31 [ 737.954951] [] ? kasan_unpoison_shadow+0x14/0x35 [ 737.980145] [] ? __alloc_skb+0x4a9/0x503 [ 738.007459] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 738.030691] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 738.064111] [] ? arch_local_irq_restore+0x6/0xd [ 738.087313] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 738.114445] [] rtmsg_ifinfo+0x65/0x8e [ 738.131965] [] register_netdevice+0xbde/0xc2b [ 738.156027] [] register_netdev+0x21/0x2e [ 738.179632] [] loopback_net_init+0x82/0x150 [ 738.202780] [] ? loopback_xmit+0x341/0x341 [ 738.227344] [] ops_init+0x364/0x3c8 [ 738.252177] [] ? __list_add+0x211/0x249 [ 738.275446] [] ? net_alloc_generic+0x64/0x64 [ 738.299175] [] register_pernet_operations+0x28a/0x3ea [ 738.335969] [] ? unregister_pernet_device+0x73/0x73 [ 738.371380] [] register_pernet_device+0x2f/0x6b [ 738.396952] [] net_dev_init+0x57c/0x61a [ 738.416799] [] ? netdev_boot_setup+0x232/0x232 [ 738.441441] [] ? netdev_boot_setup+0x232/0x232 [ 738.464410] [] do_one_initcall+0x16d/0x258 [ 738.486666] [] ? initcall_blacklisted+0x198/0x198 [ 738.507039] [] ? up_write+0x8c/0xd9 [ 738.532292] [] ? down_write_trylock+0x100/0x100 [ 738.555832] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 738.588949] [] kernel_init_freeable+0x457/0x518 [ 738.613931] [] kernel_init+0x16/0x181 [ 738.634340] [] ret_from_fork+0x1f/0x40 [ 738.657462] [] ? rest_init+0x8f/0x8f [ 738.678965] ================================================================================ [ 738.711127] ================================================================================ [ 738.749119] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1282:6 [ 738.772742] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 738.810353] which requires 64 byte alignment [ 738.827786] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 738.851640] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 738.890008] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 738.919272] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 738.951267] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 738.979669] Call Trace: [ 738.990539] [] dump_stack+0xd7/0x132 [ 739.012017] [] ? arch_local_irq_restore+0x1b/0x1b [ 739.038680] [] ubsan_epilogue+0x12/0x53 [ 739.063589] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 739.103318] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 739.134640] [] ? nla_put+0x92/0xa0 [ 739.164128] [] rtnl_fill_ifinfo+0x550/0x251b [ 739.187627] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 739.210563] [] ? __alloc_skb+0x139/0x503 [ 739.230739] [] ? ___slab_alloc+0xb72/0xbd2 [ 739.251455] [] ? ___slab_alloc+0xb72/0xbd2 [ 739.273300] [] ? __alloc_skb+0x139/0x503 [ 739.298099] [] ? kasan_poison_shadow+0x2f/0x31 [ 739.324925] [] ? kasan_unpoison_shadow+0x14/0x35 [ 739.350487] [] ? kasan_kmalloc+0x94/0xa3 [ 739.372524] [] ? kasan_slab_alloc+0x12/0x14 [ 739.394944] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 739.417176] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 739.448385] [] ? __alloc_skb+0x139/0x503 [ 739.468108] [] ? kasan_poison_shadow+0x2f/0x31 [ 739.495160] [] ? kasan_unpoison_shadow+0x14/0x35 [ 739.518876] [] ? __alloc_skb+0x4a9/0x503 [ 739.546709] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 739.571560] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 739.604797] [] ? arch_local_irq_restore+0x6/0xd [ 739.630656] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 739.656570] [] rtmsg_ifinfo+0x65/0x8e [ 739.678184] [] register_netdevice+0xbde/0xc2b [ 739.701374] [] register_netdev+0x21/0x2e [ 739.729004] [] loopback_net_init+0x82/0x150 [ 739.752547] [] ? loopback_xmit+0x341/0x341 [ 739.774076] [] ops_init+0x364/0x3c8 [ 739.795150] [] ? __list_add+0x211/0x249 [ 739.818236] [] ? net_alloc_generic+0x64/0x64 [ 739.845845] [] register_pernet_operations+0x28a/0x3ea [ 739.876417] [] ? unregister_pernet_device+0x73/0x73 [ 739.902747] [] register_pernet_device+0x2f/0x6b [ 739.927613] [] net_dev_init+0x57c/0x61a [ 739.948265] [] ? netdev_boot_setup+0x232/0x232 [ 739.974949] [] ? netdev_boot_setup+0x232/0x232 [ 740.003516] [] do_one_initcall+0x16d/0x258 [ 740.028215] [] ? initcall_blacklisted+0x198/0x198 [ 740.056111] [] ? up_write+0x8c/0xd9 [ 740.077413] [] ? down_write_trylock+0x100/0x100 [ 740.104878] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 740.131629] [] kernel_init_freeable+0x457/0x518 [ 740.154592] [] kernel_init+0x16/0x181 [ 740.179508] [] ret_from_fork+0x1f/0x40 [ 740.201482] [] ? rest_init+0x8f/0x8f [ 740.222798] ================================================================================ [ 740.255256] ================================================================================ [ 740.308130] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1283:6 [ 740.337392] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 740.376238] which requires 64 byte alignment [ 740.394750] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 740.415694] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 740.460565] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 740.492524] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 740.534417] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 740.572420] Call Trace: [ 740.583556] [] dump_stack+0xd7/0x132 [ 740.604676] [] ? arch_local_irq_restore+0x1b/0x1b [ 740.628729] [] ubsan_epilogue+0x12/0x53 [ 740.649996] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 740.678397] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 740.704914] [] ? nla_put+0x92/0xa0 [ 740.725878] [] rtnl_fill_ifinfo+0x595/0x251b [ 740.753168] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 740.775130] [] ? __alloc_skb+0x139/0x503 [ 740.799317] [] ? ___slab_alloc+0xb72/0xbd2 [ 740.821653] [] ? ___slab_alloc+0xb72/0xbd2 [ 740.843864] [] ? __alloc_skb+0x139/0x503 [ 740.867445] [] ? kasan_poison_shadow+0x2f/0x31 [ 740.894192] [] ? kasan_unpoison_shadow+0x14/0x35 [ 740.919981] [] ? kasan_kmalloc+0x94/0xa3 [ 740.941312] [] ? kasan_slab_alloc+0x12/0x14 [ 740.966083] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 740.988493] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 741.014297] [] ? __alloc_skb+0x139/0x503 [ 741.053300] [] ? kasan_poison_shadow+0x2f/0x31 [ 741.101662] [] ? kasan_unpoison_shadow+0x14/0x35 [ 741.136633] [] ? __alloc_skb+0x4a9/0x503 [ 741.157407] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 741.181831] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 741.218134] [] ? arch_local_irq_restore+0x6/0xd [ 741.244941] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 741.271538] [] rtmsg_ifinfo+0x65/0x8e [ 741.296407] [] register_netdevice+0xbde/0xc2b [ 741.334690] [] register_netdev+0x21/0x2e [ 741.354686] [] loopback_net_init+0x82/0x150 [ 741.375945] [] ? loopback_xmit+0x341/0x341 [ 741.399445] [] ops_init+0x364/0x3c8 [ 741.421394] [] ? __list_add+0x211/0x249 [ 741.441886] [] ? net_alloc_generic+0x64/0x64 [ 741.465695] [] register_pernet_operations+0x28a/0x3ea [ 741.490495] [] ? unregister_pernet_device+0x73/0x73 [ 741.523671] [] register_pernet_device+0x2f/0x6b [ 741.559971] [] net_dev_init+0x57c/0x61a [ 741.586642] [] ? netdev_boot_setup+0x232/0x232 [ 741.609223] [] ? netdev_boot_setup+0x232/0x232 [ 741.629317] [] do_one_initcall+0x16d/0x258 [ 741.649030] [] ? initcall_blacklisted+0x198/0x198 [ 741.671437] [] ? up_write+0x8c/0xd9 [ 741.691245] [] ? down_write_trylock+0x100/0x100 [ 741.716524] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 741.740028] [] kernel_init_freeable+0x457/0x518 [ 741.760030] [] kernel_init+0x16/0x181 [ 741.781583] [] ret_from_fork+0x1f/0x40 [ 741.799881] [] ? rest_init+0x8f/0x8f [ 741.818614] ================================================================================ [ 741.846128] ================================================================================ [ 741.872326] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1284:45 [ 741.895439] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 741.926983] which requires 64 byte alignment [ 741.941135] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 741.962804] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 741.995731] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 742.019277] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 742.048276] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 742.073127] Call Trace: [ 742.084303] [] dump_stack+0xd7/0x132 [ 742.113291] [] ? arch_local_irq_restore+0x1b/0x1b [ 742.137971] [] ubsan_epilogue+0x12/0x53 [ 742.154811] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 742.177146] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 742.202858] [] ? nla_put+0x92/0xa0 [ 742.220745] [] rtnl_fill_ifinfo+0x5da/0x251b [ 742.247365] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 742.267343] [] ? __alloc_skb+0x139/0x503 [ 742.283104] [] ? ___slab_alloc+0xb72/0xbd2 [ 742.302396] [] ? ___slab_alloc+0xb72/0xbd2 [ 742.321716] [] ? __alloc_skb+0x139/0x503 [ 742.343853] [] ? kasan_poison_shadow+0x2f/0x31 [ 742.367228] [] ? kasan_unpoison_shadow+0x14/0x35 [ 742.386534] [] ? kasan_kmalloc+0x94/0xa3 [ 742.403772] [] ? kasan_slab_alloc+0x12/0x14 [ 742.427536] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 742.450958] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 742.474773] [] ? __alloc_skb+0x139/0x503 [ 742.495064] [] ? kasan_poison_shadow+0x2f/0x31 [ 742.515137] [] ? kasan_unpoison_shadow+0x14/0x35 [ 742.534956] [] ? __alloc_skb+0x4a9/0x503 [ 742.556996] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 742.586130] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 742.611131] [] ? arch_local_irq_restore+0x6/0xd [ 742.630184] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 742.649985] [] rtmsg_ifinfo+0x65/0x8e [ 742.669015] [] register_netdevice+0xbde/0xc2b [ 742.688978] [] register_netdev+0x21/0x2e [ 742.707564] [] loopback_net_init+0x82/0x150 [ 742.730457] [] ? loopback_xmit+0x341/0x341 [ 742.752798] [] ops_init+0x364/0x3c8 [ 742.772637] [] ? __list_add+0x211/0x249 [ 742.796181] [] ? net_alloc_generic+0x64/0x64 [ 742.816526] [] register_pernet_operations+0x28a/0x3ea [ 742.840758] [] ? unregister_pernet_device+0x73/0x73 [ 742.860531] [] register_pernet_device+0x2f/0x6b [ 742.880473] [] net_dev_init+0x57c/0x61a [ 742.900791] [] ? netdev_boot_setup+0x232/0x232 [ 742.921673] [] ? netdev_boot_setup+0x232/0x232 [ 742.944619] [] do_one_initcall+0x16d/0x258 [ 742.964523] [] ? initcall_blacklisted+0x198/0x198 [ 742.986764] [] ? up_write+0x8c/0xd9 [ 743.003685] [] ? down_write_trylock+0x100/0x100 [ 743.023514] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 743.043064] [] kernel_init_freeable+0x457/0x518 [ 743.065802] [] kernel_init+0x16/0x181 [ 743.083801] [] ret_from_fork+0x1f/0x40 [ 743.100328] [] ? rest_init+0x8f/0x8f [ 743.119234] ================================================================================ [ 743.150598] ================================================================================ [ 743.183749] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1285:6 [ 743.208073] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 743.238706] which requires 64 byte alignment [ 743.253563] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 743.285080] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 743.324392] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 743.350525] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 743.377418] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 743.405852] Call Trace: [ 743.413405] [] dump_stack+0xd7/0x132 [ 743.431735] [] ? arch_local_irq_restore+0x1b/0x1b [ 743.451710] [] ubsan_epilogue+0x12/0x53 [ 743.471218] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 743.498847] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 743.523073] [] ? nla_put+0x92/0xa0 [ 743.540159] [] rtnl_fill_ifinfo+0x620/0x251b [ 743.563990] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 743.585757] [] ? __alloc_skb+0x139/0x503 [ 743.603885] [] ? ___slab_alloc+0xb72/0xbd2 [ 743.626191] [] ? ___slab_alloc+0xb72/0xbd2 [ 743.643258] [] ? __alloc_skb+0x139/0x503 [ 743.664713] [] ? kasan_poison_shadow+0x2f/0x31 [ 743.683742] [] ? kasan_unpoison_shadow+0x14/0x35 [ 743.706423] [] ? kasan_kmalloc+0x94/0xa3 [ 743.739235] [] ? kasan_slab_alloc+0x12/0x14 [ 743.760104] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 743.782526] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 743.805545] [] ? __alloc_skb+0x139/0x503 [ 743.822837] [] ? kasan_poison_shadow+0x2f/0x31 [ 743.842004] [] ? kasan_unpoison_shadow+0x14/0x35 [ 743.862170] [] ? __alloc_skb+0x4a9/0x503 [ 743.881477] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 743.906438] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 743.931485] [] ? arch_local_irq_restore+0x6/0xd [ 743.950448] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 743.970214] [] rtmsg_ifinfo+0x65/0x8e [ 743.987673] [] register_netdevice+0xbde/0xc2b [ 744.006955] [] register_netdev+0x21/0x2e [ 744.025756] [] loopback_net_init+0x82/0x150 [ 744.046249] [] ? loopback_xmit+0x341/0x341 [ 744.066283] [] ops_init+0x364/0x3c8 [ 744.085712] [] ? __list_add+0x211/0x249 [ 744.102520] [] ? net_alloc_generic+0x64/0x64 [ 744.126671] [] register_pernet_operations+0x28a/0x3ea [ 744.149707] [] ? unregister_pernet_device+0x73/0x73 [ 744.171000] [] register_pernet_device+0x2f/0x6b [ 744.203517] [] net_dev_init+0x57c/0x61a [ 744.221351] [] ? netdev_boot_setup+0x232/0x232 [ 744.237305] [] ? netdev_boot_setup+0x232/0x232 [ 744.257853] [] do_one_initcall+0x16d/0x258 [ 744.276792] [] ? initcall_blacklisted+0x198/0x198 [ 744.300228] [] ? up_write+0x8c/0xd9 [ 744.318425] [] ? down_write_trylock+0x100/0x100 [ 744.336694] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 744.358316] [] kernel_init_freeable+0x457/0x518 [ 744.380401] [] kernel_init+0x16/0x181 [ 744.397198] [] ret_from_fork+0x1f/0x40 [ 744.415070] [] ? rest_init+0x8f/0x8f [ 744.436066] ================================================================================ [ 744.465119] ================================================================================ [ 744.493225] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1287:6 [ 744.517620] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 744.546756] which requires 64 byte alignment [ 744.564552] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 744.585964] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 744.618913] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 744.642354] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 744.669617] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 744.694920] Call Trace: [ 744.702918] [] dump_stack+0xd7/0x132 [ 744.721314] [] ? arch_local_irq_restore+0x1b/0x1b [ 744.749030] [] ubsan_epilogue+0x12/0x53 [ 744.768697] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 744.794855] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 744.822146] [] ? nla_put+0x92/0xa0 [ 744.839601] [] rtnl_fill_ifinfo+0x665/0x251b [ 744.856861] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 744.875962] [] ? __alloc_skb+0x139/0x503 [ 744.893328] [] ? ___slab_alloc+0xb72/0xbd2 [ 744.913635] [] ? ___slab_alloc+0xb72/0xbd2 [ 744.935748] [] ? __alloc_skb+0x139/0x503 [ 744.959422] [] ? kasan_poison_shadow+0x2f/0x31 [ 744.981512] [] ? kasan_unpoison_shadow+0x14/0x35 [ 745.003087] [] ? kasan_kmalloc+0x94/0xa3 [ 745.026656] [] ? kasan_slab_alloc+0x12/0x14 [ 745.048051] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 745.069813] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 745.093331] [] ? __alloc_skb+0x139/0x503 [ 745.114018] [] ? kasan_poison_shadow+0x2f/0x31 [ 745.131491] [] ? kasan_unpoison_shadow+0x14/0x35 [ 745.154891] [] ? __alloc_skb+0x4a9/0x503 [ 745.176138] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 745.204881] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 745.240985] [] ? arch_local_irq_restore+0x6/0xd [ 745.262864] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 745.284565] [] rtmsg_ifinfo+0x65/0x8e [ 745.302810] [] register_netdevice+0xbde/0xc2b [ 745.320613] [] register_netdev+0x21/0x2e [ 745.340141] [] loopback_net_init+0x82/0x150 [ 745.360191] [] ? loopback_xmit+0x341/0x341 [ 745.383119] [] ops_init+0x364/0x3c8 [ 745.399320] [] ? __list_add+0x211/0x249 [ 745.421167] [] ? net_alloc_generic+0x64/0x64 [ 745.441405] [] register_pernet_operations+0x28a/0x3ea [ 745.469516] [] ? unregister_pernet_device+0x73/0x73 [ 745.492944] [] register_pernet_device+0x2f/0x6b [ 745.517678] [] net_dev_init+0x57c/0x61a [ 745.533798] [] ? netdev_boot_setup+0x232/0x232 [ 745.552494] [] ? netdev_boot_setup+0x232/0x232 [ 745.573497] [] do_one_initcall+0x16d/0x258 [ 745.690162] [] ? initcall_blacklisted+0x198/0x198 [ 745.708830] [] ? up_write+0x8c/0xd9 [ 745.726387] [] ? down_write_trylock+0x100/0x100 [ 745.748169] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 745.770873] [] kernel_init_freeable+0x457/0x518 [ 745.793968] [] kernel_init+0x16/0x181 [ 745.813937] [] ret_from_fork+0x1f/0x40 [ 745.832054] [] ? rest_init+0x8f/0x8f [ 745.849701] ================================================================================ [ 745.877391] ================================================================================ [ 745.901551] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1289:10 [ 745.925478] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 745.953087] which requires 64 byte alignment [ 745.970864] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 746.000503] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 746.041257] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 746.071994] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 746.099207] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 746.122592] Call Trace: [ 746.142021] [] dump_stack+0xd7/0x132 [ 746.163237] [] ? arch_local_irq_restore+0x1b/0x1b [ 746.183978] [] ubsan_epilogue+0x12/0x53 [ 746.199486] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 746.221608] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 746.247226] [] ? nla_put+0x92/0xa0 [ 746.263968] [] rtnl_fill_ifinfo+0x6aa/0x251b [ 746.302934] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 746.324677] [] ? __alloc_skb+0x139/0x503 [ 746.343608] [] ? ___slab_alloc+0xb72/0xbd2 [ 746.366782] [] ? ___slab_alloc+0xb72/0xbd2 [ 746.388313] [] ? __alloc_skb+0x139/0x503 [ 746.407602] [] ? kasan_poison_shadow+0x2f/0x31 [ 746.431075] [] ? kasan_unpoison_shadow+0x14/0x35 [ 746.452472] [] ? kasan_kmalloc+0x94/0xa3 [ 746.475262] [] ? kasan_slab_alloc+0x12/0x14 [ 746.507342] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 746.534658] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 746.556654] [] ? __alloc_skb+0x139/0x503 [ 746.574681] [] ? kasan_poison_shadow+0x2f/0x31 [ 746.609792] [] ? kasan_unpoison_shadow+0x14/0x35 [ 746.632073] [] ? __alloc_skb+0x4a9/0x503 [ 746.648534] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 746.685696] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 746.715283] [] ? arch_local_irq_restore+0x6/0xd [ 746.737191] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 746.771391] [] rtmsg_ifinfo+0x65/0x8e [ 746.793706] [] register_netdevice+0xbde/0xc2b [ 746.816444] [] register_netdev+0x21/0x2e [ 746.843868] [] loopback_net_init+0x82/0x150 [ 746.885547] [] ? loopback_xmit+0x341/0x341 [ 746.908165] [] ops_init+0x364/0x3c8 [ 746.931641] [] ? __list_add+0x211/0x249 [ 746.964756] [] ? net_alloc_generic+0x64/0x64 [ 746.994863] [] register_pernet_operations+0x28a/0x3ea [ 747.023624] [] ? unregister_pernet_device+0x73/0x73 [ 747.045219] [] register_pernet_device+0x2f/0x6b [ 747.067434] [] net_dev_init+0x57c/0x61a [ 747.085093] [] ? netdev_boot_setup+0x232/0x232 [ 747.112343] [] ? netdev_boot_setup+0x232/0x232 [ 747.136427] [] do_one_initcall+0x16d/0x258 [ 747.154756] [] ? initcall_blacklisted+0x198/0x198 [ 747.183244] [] ? up_write+0x8c/0xd9 [ 747.200071] [] ? down_write_trylock+0x100/0x100 [ 747.225747] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 747.252920] [] kernel_init_freeable+0x457/0x518 [ 747.276521] [] kernel_init+0x16/0x181 [ 747.303340] [] ret_from_fork+0x1f/0x40 [ 747.321766] [] ? rest_init+0x8f/0x8f [ 747.339284] ================================================================================ [ 747.370607] ================================================================================ [ 747.400817] UBSAN: Undefined behaviour in net/core/dev.c:682:9 [ 747.421394] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 747.461445] which requires 64 byte alignment [ 747.474432] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 747.494878] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 747.527159] 00000000ffffffff 00000000b1a89c60 ffff88005c9df630 ffffffffb26ec5cc [ 747.563331] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 747.592805] fffffbff00000010 ffff88005c9df658 ffff88005c9df608 ffffffffb363c3e0 [ 747.624240] Call Trace: [ 747.632310] [] dump_stack+0xd7/0x132 [ 747.654440] [] ? arch_local_irq_restore+0x1b/0x1b [ 747.675681] [] ubsan_epilogue+0x12/0x53 [ 747.698718] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 747.720089] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 747.744684] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 747.771319] [] dev_get_iflink+0x30/0x121 [ 747.795006] [] ? rtnl_fill_ifinfo+0x6b6/0x251b [ 747.817423] [] rtnl_fill_ifinfo+0x6c5/0x251b [ 747.838091] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 747.858994] [] ? __alloc_skb+0x139/0x503 [ 747.878160] [] ? ___slab_alloc+0xb72/0xbd2 [ 747.900707] [] ? ___slab_alloc+0xb72/0xbd2 [ 747.923976] [] ? __alloc_skb+0x139/0x503 [ 747.946626] [] ? kasan_poison_shadow+0x2f/0x31 [ 747.969986] [] ? kasan_unpoison_shadow+0x14/0x35 [ 748.002348] [] ? kasan_kmalloc+0x94/0xa3 [ 748.026775] [] ? kasan_slab_alloc+0x12/0x14 [ 748.052226] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 748.076253] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 748.108385] [] ? __alloc_skb+0x139/0x503 [ 748.135438] [] ? kasan_poison_shadow+0x2f/0x31 [ 748.166655] [] ? kasan_unpoison_shadow+0x14/0x35 [ 748.193882] [] ? __alloc_skb+0x4a9/0x503 [ 748.224105] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 748.250943] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 748.284301] [] ? arch_local_irq_restore+0x6/0xd [ 748.307663] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 748.332757] [] rtmsg_ifinfo+0x65/0x8e [ 748.351262] [] register_netdevice+0xbde/0xc2b [ 748.376000] [] register_netdev+0x21/0x2e [ 748.398315] [] loopback_net_init+0x82/0x150 [ 748.420350] [] ? loopback_xmit+0x341/0x341 [ 748.446226] [] ops_init+0x364/0x3c8 [ 748.469792] [] ? __list_add+0x211/0x249 [ 748.494215] [] ? net_alloc_generic+0x64/0x64 [ 748.522375] [] register_pernet_operations+0x28a/0x3ea [ 748.551793] [] ? unregister_pernet_device+0x73/0x73 [ 748.593600] [] register_pernet_device+0x2f/0x6b [ 748.663072] [] net_dev_init+0x57c/0x61a [ 748.810156] [] ? netdev_boot_setup+0x232/0x232 [ 748.843839] [] ? netdev_boot_setup+0x232/0x232 [ 748.880303] [] do_one_initcall+0x16d/0x258 [ 748.909387] [] ? initcall_blacklisted+0x198/0x198 [ 748.936160] [] ? up_write+0x8c/0xd9 [ 748.959692] [] ? down_write_trylock+0x100/0x100 [ 748.987655] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 749.017316] [] kernel_init_freeable+0x457/0x518 [ 749.051461] [] kernel_init+0x16/0x181 [ 749.130469] [] ret_from_fork+0x1f/0x40 [ 749.211672] [] ? rest_init+0x8f/0x8f [ 749.263256] ================================================================================ [ 749.297146] ================================================================================ [ 749.325366] UBSAN: Undefined behaviour in net/core/dev.c:682:28 [ 749.355415] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 749.398997] which requires 64 byte alignment [ 749.420286] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 749.443911] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 749.491881] 00000000ffffffff 00000000b1a89c60 ffff88005c9df630 ffffffffb26ec5cc [ 749.526535] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 749.558365] ffff880000000010 ffff88005c9df658 ffff88005c9df608 ffffffffb363c3e0 [ 749.597266] Call Trace: [ 749.605840] [] dump_stack+0xd7/0x132 [ 749.629998] [] ? arch_local_irq_restore+0x1b/0x1b [ 749.667112] [] ubsan_epilogue+0x12/0x53 [ 749.701993] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 749.737566] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 749.775733] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 749.814905] [] dev_get_iflink+0x6a/0x121 [ 749.845446] [] ? rtnl_fill_ifinfo+0x6b6/0x251b [ 749.880454] [] rtnl_fill_ifinfo+0x6c5/0x251b [ 749.908538] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 749.942184] [] ? __alloc_skb+0x139/0x503 [ 749.966055] [] ? ___slab_alloc+0xb72/0xbd2 [ 749.996500] [] ? ___slab_alloc+0xb72/0xbd2 [ 750.024012] [] ? __alloc_skb+0x139/0x503 [ 750.049360] [] ? kasan_poison_shadow+0x2f/0x31 [ 750.080066] [] ? kasan_unpoison_shadow+0x14/0x35 [ 750.109443] [] ? kasan_kmalloc+0x94/0xa3 [ 750.136430] [] ? kasan_slab_alloc+0x12/0x14 [ 750.161528] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 750.192239] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 750.224396] [] ? __alloc_skb+0x139/0x503 [ 750.245886] [] ? kasan_poison_shadow+0x2f/0x31 [ 750.291210] [] ? kasan_unpoison_shadow+0x14/0x35 [ 750.317050] [] ? __alloc_skb+0x4a9/0x503 [ 750.338664] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 750.365242] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 750.398101] [] ? arch_local_irq_restore+0x6/0xd [ 750.424339] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 750.451269] [] rtmsg_ifinfo+0x65/0x8e [ 750.475601] [] register_netdevice+0xbde/0xc2b [ 750.504609] [] register_netdev+0x21/0x2e [ 750.525115] [] loopback_net_init+0x82/0x150 [ 750.551930] [] ? loopback_xmit+0x341/0x341 [ 750.573796] [] ops_init+0x364/0x3c8 [ 750.598357] [] ? __list_add+0x211/0x249 [ 750.621977] [] ? net_alloc_generic+0x64/0x64 [ 750.653077] [] register_pernet_operations+0x28a/0x3ea [ 750.681312] [] ? unregister_pernet_device+0x73/0x73 [ 750.709290] [] register_pernet_device+0x2f/0x6b [ 750.738316] [] net_dev_init+0x57c/0x61a [ 750.759484] [] ? netdev_boot_setup+0x232/0x232 [ 750.786013] [] ? netdev_boot_setup+0x232/0x232 [ 750.810679] [] do_one_initcall+0x16d/0x258 [ 750.834269] [] ? initcall_blacklisted+0x198/0x198 [ 750.858634] [] ? up_write+0x8c/0xd9 [ 750.878971] [] ? down_write_trylock+0x100/0x100 [ 750.899590] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 750.925572] [] kernel_init_freeable+0x457/0x518 [ 750.947596] [] kernel_init+0x16/0x181 [ 750.968013] [] ret_from_fork+0x1f/0x40 [ 750.989101] [] ? rest_init+0x8f/0x8f [ 751.007908] ================================================================================ [ 751.041595] ================================================================================ [ 751.075862] UBSAN: Undefined behaviour in net/core/dev.c:685:12 [ 751.102564] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 751.168429] which requires 64 byte alignment [ 751.192137] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 751.223720] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 751.260507] 00000000ffffffff 00000000b1a89c60 ffff88005c9df630 ffffffffb26ec5cc [ 751.291548] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 751.321019] ffff880000000010 ffff88005c9df658 ffff88005c9df608 ffffffffb363c3e0 [ 751.344887] Call Trace: [ 751.357097] [] dump_stack+0xd7/0x132 [ 751.375500] [] ? arch_local_irq_restore+0x1b/0x1b [ 751.400217] [] ubsan_epilogue+0x12/0x53 [ 751.424511] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 751.450269] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 751.479468] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 751.505376] [] dev_get_iflink+0xfc/0x121 [ 751.527806] [] ? rtnl_fill_ifinfo+0x6b6/0x251b [ 751.553090] [] rtnl_fill_ifinfo+0x6c5/0x251b [ 751.573609] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 751.597162] [] ? __alloc_skb+0x139/0x503 [ 751.618172] [] ? ___slab_alloc+0xb72/0xbd2 [ 751.640853] [] ? ___slab_alloc+0xb72/0xbd2 [ 751.663248] [] ? __alloc_skb+0x139/0x503 [ 751.683437] [] ? kasan_poison_shadow+0x2f/0x31 [ 751.701581] [] ? kasan_unpoison_shadow+0x14/0x35 [ 751.724140] [] ? kasan_kmalloc+0x94/0xa3 [ 751.744746] [] ? kasan_slab_alloc+0x12/0x14 [ 751.769610] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 751.792439] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 751.822460] [] ? __alloc_skb+0x139/0x503 [ 751.843494] [] ? kasan_poison_shadow+0x2f/0x31 [ 751.863860] [] ? kasan_unpoison_shadow+0x14/0x35 [ 751.889963] [] ? __alloc_skb+0x4a9/0x503 [ 751.909761] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 751.935272] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 751.961270] [] ? arch_local_irq_restore+0x6/0xd [ 751.985046] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 752.010488] [] rtmsg_ifinfo+0x65/0x8e [ 752.027943] [] register_netdevice+0xbde/0xc2b [ 752.050947] [] register_netdev+0x21/0x2e [ 752.072080] [] loopback_net_init+0x82/0x150 [ 752.091851] [] ? loopback_xmit+0x341/0x341 [ 752.112331] [] ops_init+0x364/0x3c8 [ 752.133300] [] ? __list_add+0x211/0x249 [ 752.162304] [] ? net_alloc_generic+0x64/0x64 [ 752.188029] [] register_pernet_operations+0x28a/0x3ea [ 752.210831] [] ? unregister_pernet_device+0x73/0x73 [ 752.238871] [] register_pernet_device+0x2f/0x6b [ 752.262499] [] net_dev_init+0x57c/0x61a [ 752.282343] [] ? netdev_boot_setup+0x232/0x232 [ 752.303932] [] ? netdev_boot_setup+0x232/0x232 [ 752.327832] [] do_one_initcall+0x16d/0x258 [ 752.349102] [] ? initcall_blacklisted+0x198/0x198 [ 752.374276] [] ? up_write+0x8c/0xd9 [ 752.401927] [] ? down_write_trylock+0x100/0x100 [ 752.425483] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 752.458195] [] kernel_init_freeable+0x457/0x518 [ 752.482530] [] kernel_init+0x16/0x181 [ 752.504688] [] ret_from_fork+0x1f/0x40 [ 752.525927] [] ? rest_init+0x8f/0x8f [ 752.545555] ================================================================================ [ 752.579358] ================================================================================ [ 752.611264] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1294:10 [ 752.637917] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 752.667464] which requires 64 byte alignment [ 752.683404] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 752.706186] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 752.744816] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 752.772184] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 752.801559] 0000000000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 752.827199] Call Trace: [ 752.839443] [] dump_stack+0xd7/0x132 [ 752.859584] [] ? arch_local_irq_restore+0x1b/0x1b [ 752.880185] [] ubsan_epilogue+0x12/0x53 [ 752.901306] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 752.926272] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 752.953660] [] ? nla_put+0x92/0xa0 [ 752.972443] [] rtnl_fill_ifinfo+0x7bb/0x251b [ 752.994848] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 753.015250] [] ? __alloc_skb+0x139/0x503 [ 753.038773] [] ? ___slab_alloc+0xb72/0xbd2 [ 753.058480] [] ? ___slab_alloc+0xb72/0xbd2 [ 753.084319] [] ? __alloc_skb+0x12a/0x503 [ 753.106172] [] ? kasan_poison_shadow+0x2f/0x31 [ 753.125875] [] ? kasan_unpoison_shadow+0x14/0x35 [ 753.149128] [] ? kasan_kmalloc+0x94/0xa3 [ 753.172777] [] ? kasan_slab_alloc+0x12/0x14 [ 753.195874] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 753.226355] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 753.252261] [] ? __alloc_skb+0x139/0x503 [ 753.271231] [] ? kasan_poison_shadow+0x2f/0x31 [ 753.297890] [] ? kasan_unpoison_shadow+0x14/0x35 [ 753.320270] [] ? __alloc_skb+0x4a9/0x503 [ 753.340963] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 753.362033] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 753.389969] [] ? arch_local_irq_restore+0x6/0xd [ 753.412901] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 753.437069] [] rtmsg_ifinfo+0x65/0x8e [ 753.455376] [] register_netdevice+0xbde/0xc2b [ 753.476808] [] register_netdev+0x21/0x2e [ 753.497015] [] loopback_net_init+0x82/0x150 [ 753.520540] [] ? loopback_xmit+0x341/0x341 [ 753.539835] [] ops_init+0x364/0x3c8 [ 753.560766] [] ? __list_add+0x211/0x249 [ 753.576463] [] ? net_alloc_generic+0x64/0x64 [ 753.597333] [] register_pernet_operations+0x28a/0x3ea [ 753.621269] [] ? unregister_pernet_device+0x73/0x73 [ 753.644951] [] register_pernet_device+0x2f/0x6b [ 753.666963] [] net_dev_init+0x57c/0x61a [ 753.687452] [] ? netdev_boot_setup+0x232/0x232 [ 753.706841] [] ? netdev_boot_setup+0x232/0x232 [ 753.727376] [] do_one_initcall+0x16d/0x258 [ 753.748328] [] ? initcall_blacklisted+0x198/0x198 [ 753.771637] [] ? up_write+0x8c/0xd9 [ 753.789881] [] ? down_write_trylock+0x100/0x100 [ 753.814446] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 753.838984] [] kernel_init_freeable+0x457/0x518 [ 753.861494] [] kernel_init+0x16/0x181 [ 753.879669] [] ret_from_fork+0x1f/0x40 [ 753.897547] [] ? rest_init+0x8f/0x8f [ 753.918294] ================================================================================ [ 753.945971] ================================================================================ [ 753.978292] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1295:42 [ 754.005468] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 754.040136] which requires 64 byte alignment [ 754.053846] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 754.078499] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 754.115084] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 754.145519] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 754.172138] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 754.202320] Call Trace: [ 754.208859] [] dump_stack+0xd7/0x132 [ 754.236927] [] ? arch_local_irq_restore+0x1b/0x1b [ 754.262990] [] ubsan_epilogue+0x12/0x53 [ 754.282749] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 754.307257] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 754.334104] [] ? nla_put+0x92/0xa0 [ 754.353175] [] rtnl_fill_ifinfo+0x826/0x251b [ 754.372741] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 754.393889] [] ? __alloc_skb+0x139/0x503 [ 754.413614] [] ? ___slab_alloc+0xb72/0xbd2 [ 754.437493] [] ? ___slab_alloc+0xb72/0xbd2 [ 754.456574] [] ? __alloc_skb+0x12a/0x503 [ 754.474715] [] ? kasan_poison_shadow+0x2f/0x31 [ 754.497718] [] ? kasan_unpoison_shadow+0x14/0x35 [ 754.521560] [] ? kasan_kmalloc+0x94/0xa3 [ 754.540553] [] ? kasan_slab_alloc+0x12/0x14 [ 754.561457] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 754.584356] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 754.606501] [] ? __alloc_skb+0x139/0x503 [ 754.625200] [] ? kasan_poison_shadow+0x2f/0x31 [ 754.647178] [] ? kasan_unpoison_shadow+0x14/0x35 [ 754.669316] [] ? __alloc_skb+0x4a9/0x503 [ 754.689185] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 754.712697] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 754.738131] [] ? arch_local_irq_restore+0x6/0xd [ 754.757488] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 754.778529] [] rtmsg_ifinfo+0x65/0x8e [ 754.798893] [] register_netdevice+0xbde/0xc2b [ 754.824483] [] register_netdev+0x21/0x2e [ 754.842658] [] loopback_net_init+0x82/0x150 [ 754.862847] [] ? loopback_xmit+0x341/0x341 [ 754.885339] [] ops_init+0x364/0x3c8 [ 754.905500] [] ? __list_add+0x211/0x249 [ 754.925378] [] ? net_alloc_generic+0x64/0x64 [ 754.946286] [] register_pernet_operations+0x28a/0x3ea [ 754.970408] [] ? unregister_pernet_device+0x73/0x73 [ 754.991490] [] register_pernet_device+0x2f/0x6b [ 755.012996] [] net_dev_init+0x57c/0x61a [ 755.038808] [] ? netdev_boot_setup+0x232/0x232 [ 755.058898] [] ? netdev_boot_setup+0x232/0x232 [ 755.080230] [] do_one_initcall+0x16d/0x258 [ 755.100456] [] ? initcall_blacklisted+0x198/0x198 [ 755.123858] [] ? up_write+0x8c/0xd9 [ 755.145662] [] ? down_write_trylock+0x100/0x100 [ 755.168913] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 755.196742] [] kernel_init_freeable+0x457/0x518 [ 755.221029] [] kernel_init+0x16/0x181 [ 755.241076] [] ret_from_fork+0x1f/0x40 [ 755.261110] [] ? rest_init+0x8f/0x8f [ 755.287288] ================================================================================ [ 755.316305] ================================================================================ [ 755.351095] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1296:10 [ 755.380058] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 755.411224] which requires 64 byte alignment [ 755.428651] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 755.453299] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 755.485585] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 755.512662] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 755.544456] 0000000000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 755.569037] Call Trace: [ 755.579439] [] dump_stack+0xd7/0x132 [ 755.596041] [] ? arch_local_irq_restore+0x1b/0x1b [ 755.620243] [] ubsan_epilogue+0x12/0x53 [ 755.641197] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 755.664484] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 755.692561] [] ? nla_put+0x92/0xa0 [ 755.712981] [] rtnl_fill_ifinfo+0x7f1/0x251b [ 755.730369] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 755.752082] [] ? __alloc_skb+0x139/0x503 [ 755.773077] [] ? ___slab_alloc+0xb72/0xbd2 [ 755.792615] [] ? ___slab_alloc+0xb72/0xbd2 [ 755.815644] [] ? __alloc_skb+0x12a/0x503 [ 755.833010] [] ? kasan_poison_shadow+0x2f/0x31 [ 755.853894] [] ? kasan_unpoison_shadow+0x14/0x35 [ 755.879597] [] ? kasan_kmalloc+0x94/0xa3 [ 755.899623] [] ? kasan_slab_alloc+0x12/0x14 [ 755.921287] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 755.943963] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 755.970064] [] ? __alloc_skb+0x139/0x503 [ 755.989895] [] ? kasan_poison_shadow+0x2f/0x31 [ 756.011689] [] ? kasan_unpoison_shadow+0x14/0x35 [ 756.033304] [] ? __alloc_skb+0x4a9/0x503 [ 756.053581] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 756.074098] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 756.101523] [] ? arch_local_irq_restore+0x6/0xd [ 756.124692] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 756.147549] [] rtmsg_ifinfo+0x65/0x8e [ 756.172402] [] register_netdevice+0xbde/0xc2b [ 756.193541] [] register_netdev+0x21/0x2e [ 756.219602] [] loopback_net_init+0x82/0x150 [ 756.242515] [] ? loopback_xmit+0x341/0x341 [ 756.263833] [] ops_init+0x364/0x3c8 [ 756.281207] [] ? __list_add+0x211/0x249 [ 756.305594] [] ? net_alloc_generic+0x64/0x64 [ 756.324908] [] register_pernet_operations+0x28a/0x3ea [ 756.347756] [] ? unregister_pernet_device+0x73/0x73 [ 756.371839] [] register_pernet_device+0x2f/0x6b [ 756.398121] [] net_dev_init+0x57c/0x61a [ 756.419504] [] ? netdev_boot_setup+0x232/0x232 [ 756.440290] [] ? netdev_boot_setup+0x232/0x232 [ 756.463836] [] do_one_initcall+0x16d/0x258 [ 756.487442] [] ? initcall_blacklisted+0x198/0x198 [ 756.512710] [] ? up_write+0x8c/0xd9 [ 756.530989] [] ? down_write_trylock+0x100/0x100 [ 756.551499] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 756.575712] [] kernel_init_freeable+0x457/0x518 [ 756.599078] [] kernel_init+0x16/0x181 [ 756.620528] [] ret_from_fork+0x1f/0x40 [ 756.639831] [] ? rest_init+0x8f/0x8f [ 756.657638] ================================================================================ [ 756.690161] ================================================================================ [ 756.723634] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1300:42 [ 756.747859] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 756.779628] which requires 64 byte alignment [ 756.795212] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 756.814511] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 756.851074] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 756.879825] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 756.908051] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 756.937979] Call Trace: [ 756.944545] [] dump_stack+0xd7/0x132 [ 756.961848] [] ? arch_local_irq_restore+0x1b/0x1b [ 756.986149] [] ubsan_epilogue+0x12/0x53 [ 757.006390] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 757.031496] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 757.059423] [] ? nla_put+0x92/0xa0 [ 757.074645] [] rtnl_fill_ifinfo+0x907/0x251b [ 757.095407] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 757.120154] [] ? __alloc_skb+0x139/0x503 [ 757.140350] [] ? ___slab_alloc+0xb72/0xbd2 [ 757.159403] [] ? ___slab_alloc+0xb72/0xbd2 [ 757.177631] [] ? __alloc_skb+0x12a/0x503 [ 757.206838] [] ? kasan_poison_shadow+0x2f/0x31 [ 757.226292] [] ? kasan_unpoison_shadow+0x14/0x35 [ 757.249621] [] ? kasan_kmalloc+0x94/0xa3 [ 757.271370] [] ? kasan_slab_alloc+0x12/0x14 [ 757.292238] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 757.314805] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 757.340081] [] ? __alloc_skb+0x139/0x503 [ 757.355958] [] ? kasan_poison_shadow+0x2f/0x31 [ 757.377587] [] ? kasan_unpoison_shadow+0x14/0x35 [ 757.407288] [] ? __alloc_skb+0x4a9/0x503 [ 757.433979] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 757.467603] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 757.498468] [] ? arch_local_irq_restore+0x6/0xd [ 757.528348] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 757.557477] [] rtmsg_ifinfo+0x65/0x8e [ 757.580023] [] register_netdevice+0xbde/0xc2b [ 757.606196] [] register_netdev+0x21/0x2e [ 757.630814] [] loopback_net_init+0x82/0x150 [ 757.663268] [] ? loopback_xmit+0x341/0x341 [ 757.691248] [] ops_init+0x364/0x3c8 [ 757.711394] [] ? __list_add+0x211/0x249 [ 757.731645] [] ? net_alloc_generic+0x64/0x64 [ 757.752799] [] register_pernet_operations+0x28a/0x3ea [ 757.776662] [] ? unregister_pernet_device+0x73/0x73 [ 757.800102] [] register_pernet_device+0x2f/0x6b [ 757.819627] [] net_dev_init+0x57c/0x61a [ 757.838671] [] ? netdev_boot_setup+0x232/0x232 [ 757.861555] [] ? netdev_boot_setup+0x232/0x232 [ 757.886503] [] do_one_initcall+0x16d/0x258 [ 757.907270] [] ? initcall_blacklisted+0x198/0x198 [ 757.931066] [] ? up_write+0x8c/0xd9 [ 757.950973] [] ? down_write_trylock+0x100/0x100 [ 757.975919] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 758.007774] [] kernel_init_freeable+0x457/0x518 [ 758.036005] [] kernel_init+0x16/0x181 [ 758.058956] [] ret_from_fork+0x1f/0x40 [ 758.083399] [] ? rest_init+0x8f/0x8f [ 758.106861] ================================================================================ [ 758.143408] ================================================================================ [ 758.180908] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1212:23 [ 758.207203] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 758.249424] which requires 64 byte alignment [ 758.265935] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 758.289532] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 758.326727] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 758.352620] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 758.378709] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 758.410761] Call Trace: [ 758.418307] [] dump_stack+0xd7/0x132 [ 758.435712] [] ? arch_local_irq_restore+0x1b/0x1b [ 758.460562] [] ubsan_epilogue+0x12/0x53 [ 758.481125] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 758.507446] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 758.532000] [] rtnl_fill_ifinfo+0x99a/0x251b [ 758.559662] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 758.581209] [] ? __alloc_skb+0x139/0x503 [ 758.602348] [] ? ___slab_alloc+0xb72/0xbd2 [ 758.625185] [] ? ___slab_alloc+0xb72/0xbd2 [ 758.645153] [] ? __alloc_skb+0x12a/0x503 [ 758.667878] [] ? kasan_poison_shadow+0x2f/0x31 [ 758.690993] [] ? kasan_unpoison_shadow+0x14/0x35 [ 758.713212] [] ? kasan_kmalloc+0x94/0xa3 [ 758.736587] [] ? kasan_slab_alloc+0x12/0x14 [ 758.757753] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 758.781588] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 758.806321] [] ? __alloc_skb+0x139/0x503 [ 758.824709] [] ? kasan_poison_shadow+0x2f/0x31 [ 758.845461] [] ? kasan_unpoison_shadow+0x14/0x35 [ 758.869235] [] ? __alloc_skb+0x4a9/0x503 [ 758.889408] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 758.911519] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 758.939339] [] ? arch_local_irq_restore+0x6/0xd [ 758.961872] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 758.982521] [] rtmsg_ifinfo+0x65/0x8e [ 759.006102] [] register_netdevice+0xbde/0xc2b [ 759.026182] [] register_netdev+0x21/0x2e [ 759.046382] [] loopback_net_init+0x82/0x150 [ 759.070357] [] ? loopback_xmit+0x341/0x341 [ 759.092240] [] ops_init+0x364/0x3c8 [ 759.112538] [] ? __list_add+0x211/0x249 [ 759.132826] [] ? net_alloc_generic+0x64/0x64 [ 759.156154] [] register_pernet_operations+0x28a/0x3ea [ 759.181461] [] ? unregister_pernet_device+0x73/0x73 [ 759.207022] [] register_pernet_device+0x2f/0x6b [ 759.229721] [] net_dev_init+0x57c/0x61a [ 759.249963] [] ? netdev_boot_setup+0x232/0x232 [ 759.274793] [] ? netdev_boot_setup+0x232/0x232 [ 759.297800] [] do_one_initcall+0x16d/0x258 [ 759.318144] [] ? initcall_blacklisted+0x198/0x198 [ 759.342342] [] ? up_write+0x8c/0xd9 [ 759.361101] [] ? down_write_trylock+0x100/0x100 [ 759.389281] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 759.414311] [] kernel_init_freeable+0x457/0x518 [ 759.437146] [] kernel_init+0x16/0x181 [ 759.457305] [] ret_from_fork+0x1f/0x40 [ 759.472340] [] ? rest_init+0x8f/0x8f [ 759.492353] ================================================================================ [ 759.520233] ================================================================================ [ 759.548328] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1213:23 [ 759.572695] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 759.604953] which requires 64 byte alignment [ 759.623090] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 759.645265] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 759.682865] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 759.714345] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 759.742061] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 759.770859] Call Trace: [ 759.781319] [] dump_stack+0xd7/0x132 [ 759.799545] [] ? arch_local_irq_restore+0x1b/0x1b [ 759.822572] [] ubsan_epilogue+0x12/0x53 [ 759.842685] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 759.870135] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 759.897843] [] rtnl_fill_ifinfo+0x9c7/0x251b [ 759.921843] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 759.944099] [] ? __alloc_skb+0x139/0x503 [ 759.963990] [] ? ___slab_alloc+0xb72/0xbd2 [ 759.987492] [] ? ___slab_alloc+0xb72/0xbd2 [ 760.009661] [] ? __alloc_skb+0x12a/0x503 [ 760.027338] [] ? kasan_poison_shadow+0x2f/0x31 [ 760.049761] [] ? kasan_unpoison_shadow+0x14/0x35 [ 760.076931] [] ? kasan_kmalloc+0x94/0xa3 [ 760.102794] [] ? kasan_slab_alloc+0x12/0x14 [ 760.122771] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 760.145122] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 760.169144] [] ? __alloc_skb+0x139/0x503 [ 760.190798] [] ? kasan_poison_shadow+0x2f/0x31 [ 760.211766] [] ? kasan_unpoison_shadow+0x14/0x35 [ 760.232540] [] ? __alloc_skb+0x4a9/0x503 [ 760.253724] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 760.277766] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 760.305936] [] ? arch_local_irq_restore+0x6/0xd [ 760.324885] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 760.345499] [] rtmsg_ifinfo+0x65/0x8e [ 760.365395] [] register_netdevice+0xbde/0xc2b [ 760.385672] [] register_netdev+0x21/0x2e [ 760.410239] [] loopback_net_init+0x82/0x150 [ 760.432541] [] ? loopback_xmit+0x341/0x341 [ 760.458009] [] ops_init+0x364/0x3c8 [ 760.473186] [] ? __list_add+0x211/0x249 [ 760.493631] [] ? net_alloc_generic+0x64/0x64 [ 760.516894] [] register_pernet_operations+0x28a/0x3ea [ 760.541620] [] ? unregister_pernet_device+0x73/0x73 [ 760.564712] [] register_pernet_device+0x2f/0x6b [ 760.588699] [] net_dev_init+0x57c/0x61a [ 760.609164] [] ? netdev_boot_setup+0x232/0x232 [ 760.628459] [] ? netdev_boot_setup+0x232/0x232 [ 760.652074] [] do_one_initcall+0x16d/0x258 [ 760.674332] [] ? initcall_blacklisted+0x198/0x198 [ 760.697628] [] ? up_write+0x8c/0xd9 [ 760.716360] [] ? down_write_trylock+0x100/0x100 [ 760.738924] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 760.761614] [] kernel_init_freeable+0x457/0x518 [ 760.782028] [] kernel_init+0x16/0x181 [ 760.801532] [] ret_from_fork+0x1f/0x40 [ 760.821557] [] ? rest_init+0x8f/0x8f [ 760.841238] ================================================================================ [ 760.873477] ================================================================================ [ 760.906075] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1214:23 [ 760.931086] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 760.967744] which requires 64 byte alignment [ 760.988009] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 761.013034] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 761.055766] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 761.086995] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 761.119589] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 761.149074] Call Trace: [ 761.160142] [] dump_stack+0xd7/0x132 [ 761.177056] [] ? arch_local_irq_restore+0x1b/0x1b [ 761.204248] [] ubsan_epilogue+0x12/0x53 [ 761.237508] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 761.264111] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 761.287740] [] rtnl_fill_ifinfo+0x9f4/0x251b [ 761.309805] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 761.330762] [] ? __alloc_skb+0x139/0x503 [ 761.351536] [] ? ___slab_alloc+0xb72/0xbd2 [ 761.371021] [] ? ___slab_alloc+0xb72/0xbd2 [ 761.392372] [] ? __alloc_skb+0x12a/0x503 [ 761.415412] [] ? kasan_poison_shadow+0x2f/0x31 [ 761.439720] [] ? kasan_unpoison_shadow+0x14/0x35 [ 761.463287] [] ? kasan_kmalloc+0x94/0xa3 [ 761.485078] [] ? kasan_slab_alloc+0x12/0x14 [ 761.509670] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 761.532253] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 761.564709] [] ? __alloc_skb+0x139/0x503 [ 761.596506] [] ? kasan_poison_shadow+0x2f/0x31 [ 761.621506] [] ? kasan_unpoison_shadow+0x14/0x35 [ 761.647467] [] ? __alloc_skb+0x4a9/0x503 [ 761.719095] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 761.745422] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 761.772280] [] ? arch_local_irq_restore+0x6/0xd [ 761.792050] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 761.819311] [] rtmsg_ifinfo+0x65/0x8e [ 761.840529] [] register_netdevice+0xbde/0xc2b [ 761.862030] [] register_netdev+0x21/0x2e [ 761.884478] [] loopback_net_init+0x82/0x150 [ 761.907062] [] ? loopback_xmit+0x341/0x341 [ 761.925290] [] ops_init+0x364/0x3c8 [ 761.945595] [] ? __list_add+0x211/0x249 [ 762.514559] [] ? net_alloc_generic+0x64/0x64 [ 762.542243] [] register_pernet_operations+0x28a/0x3ea [ 762.569995] [] ? unregister_pernet_device+0x73/0x73 [ 762.599560] [] register_pernet_device+0x2f/0x6b [ 762.628298] [] net_dev_init+0x57c/0x61a [ 762.657603] [] ? netdev_boot_setup+0x232/0x232 [ 762.682671] [] ? netdev_boot_setup+0x232/0x232 [ 762.710103] [] do_one_initcall+0x16d/0x258 [ 762.734751] [] ? initcall_blacklisted+0x198/0x198 [ 762.767107] [] ? up_write+0x8c/0xd9 [ 762.792241] [] ? down_write_trylock+0x100/0x100 [ 762.816267] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 762.852414] [] kernel_init_freeable+0x457/0x518 [ 762.876433] [] kernel_init+0x16/0x181 [ 762.902476] [] ret_from_fork+0x1f/0x40 [ 762.927675] [] ? rest_init+0x8f/0x8f [ 762.950855] ================================================================================ [ 762.986503] ================================================================================ [ 763.027048] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1215:23 [ 763.057526] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 763.128204] which requires 64 byte alignment [ 763.174892] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 763.209668] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 763.241610] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 763.263332] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 763.291302] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 763.319575] Call Trace: [ 763.327867] [] dump_stack+0xd7/0x132 [ 763.350200] [] ? arch_local_irq_restore+0x1b/0x1b [ 763.376667] [] ubsan_epilogue+0x12/0x53 [ 763.392738] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 763.419002] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 763.446211] [] rtnl_fill_ifinfo+0xa21/0x251b [ 763.469930] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 763.502737] [] ? __alloc_skb+0x139/0x503 [ 763.528708] [] ? ___slab_alloc+0xb72/0xbd2 [ 763.554376] [] ? ___slab_alloc+0xb72/0xbd2 [ 763.580055] [] ? __alloc_skb+0x12a/0x503 [ 763.601471] [] ? kasan_poison_shadow+0x2f/0x31 [ 763.627934] [] ? kasan_unpoison_shadow+0x14/0x35 [ 763.653922] [] ? kasan_kmalloc+0x94/0xa3 [ 763.682899] [] ? kasan_slab_alloc+0x12/0x14 [ 763.710406] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 763.738391] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 763.766605] [] ? __alloc_skb+0x139/0x503 [ 763.792142] [] ? kasan_poison_shadow+0x2f/0x31 [ 763.821863] [] ? kasan_unpoison_shadow+0x14/0x35 [ 763.847320] [] ? __alloc_skb+0x4a9/0x503 [ 763.873021] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 763.905999] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 763.938589] [] ? arch_local_irq_restore+0x6/0xd [ 763.963692] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 763.993976] [] rtmsg_ifinfo+0x65/0x8e [ 764.013992] [] register_netdevice+0xbde/0xc2b [ 764.041457] [] register_netdev+0x21/0x2e [ 764.063087] [] loopback_net_init+0x82/0x150 [ 764.087175] [] ? loopback_xmit+0x341/0x341 [ 764.110907] [] ops_init+0x364/0x3c8 [ 764.129913] [] ? __list_add+0x211/0x249 [ 764.170062] [] ? net_alloc_generic+0x64/0x64 [ 764.209246] [] register_pernet_operations+0x28a/0x3ea [ 764.232601] [] ? unregister_pernet_device+0x73/0x73 [ 764.261722] [] register_pernet_device+0x2f/0x6b [ 764.285781] [] net_dev_init+0x57c/0x61a [ 764.390188] [] ? netdev_boot_setup+0x232/0x232 [ 764.418064] [] ? netdev_boot_setup+0x232/0x232 [ 764.444713] [] do_one_initcall+0x16d/0x258 [ 764.468239] [] ? initcall_blacklisted+0x198/0x198 [ 764.493174] [] ? up_write+0x8c/0xd9 [ 764.518956] [] ? down_write_trylock+0x100/0x100 [ 764.544187] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 764.577807] [] kernel_init_freeable+0x457/0x518 [ 764.603982] [] kernel_init+0x16/0x181 [ 764.625207] [] ret_from_fork+0x1f/0x40 [ 764.645658] [] ? rest_init+0x8f/0x8f [ 764.666124] ================================================================================ [ 764.693982] ================================================================================ [ 764.725416] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1216:23 [ 764.750319] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 764.785737] which requires 64 byte alignment [ 764.803524] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 764.828913] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 764.876163] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 764.910688] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 764.942679] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 764.971221] Call Trace: [ 764.983373] [] dump_stack+0xd7/0x132 [ 765.005935] [] ? arch_local_irq_restore+0x1b/0x1b [ 765.033470] [] ubsan_epilogue+0x12/0x53 [ 765.057180] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 765.081851] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 765.109893] [] rtnl_fill_ifinfo+0xa4d/0x251b [ 765.129470] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 765.149805] [] ? __alloc_skb+0x139/0x503 [ 765.171772] [] ? ___slab_alloc+0xb72/0xbd2 [ 765.199148] [] ? ___slab_alloc+0xb72/0xbd2 [ 765.222310] [] ? __alloc_skb+0x12a/0x503 [ 765.244056] [] ? kasan_poison_shadow+0x2f/0x31 [ 765.270303] [] ? kasan_unpoison_shadow+0x14/0x35 [ 765.303964] [] ? kasan_kmalloc+0x94/0xa3 [ 765.334491] [] ? kasan_slab_alloc+0x12/0x14 [ 765.361526] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 765.387174] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 765.428917] [] ? __alloc_skb+0x139/0x503 [ 765.453654] [] ? kasan_poison_shadow+0x2f/0x31 [ 765.485592] [] ? kasan_unpoison_shadow+0x14/0x35 [ 765.521502] [] ? __alloc_skb+0x4a9/0x503 [ 765.552129] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 765.581366] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 765.613459] [] ? arch_local_irq_restore+0x6/0xd [ 765.641094] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 765.665853] [] rtmsg_ifinfo+0x65/0x8e [ 765.685285] [] register_netdevice+0xbde/0xc2b [ 765.719724] [] register_netdev+0x21/0x2e [ 765.758081] [] loopback_net_init+0x82/0x150 [ 765.781759] [] ? loopback_xmit+0x341/0x341 [ 765.800085] [] ops_init+0x364/0x3c8 [ 765.817406] [] ? __list_add+0x211/0x249 [ 765.835444] [] ? net_alloc_generic+0x64/0x64 [ 765.852663] [] register_pernet_operations+0x28a/0x3ea [ 765.881702] [] ? unregister_pernet_device+0x73/0x73 [ 765.905199] [] register_pernet_device+0x2f/0x6b [ 765.927096] [] net_dev_init+0x57c/0x61a [ 765.946524] [] ? netdev_boot_setup+0x232/0x232 [ 765.967193] [] ? netdev_boot_setup+0x232/0x232 [ 765.990522] [] do_one_initcall+0x16d/0x258 [ 766.010949] [] ? initcall_blacklisted+0x198/0x198 [ 766.032713] [] ? up_write+0x8c/0xd9 [ 766.052489] [] ? down_write_trylock+0x100/0x100 [ 766.077391] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 766.104041] [] kernel_init_freeable+0x457/0x518 [ 766.131061] [] kernel_init+0x16/0x181 [ 766.151007] [] ret_from_fork+0x1f/0x40 [ 766.171502] [] ? rest_init+0x8f/0x8f [ 766.191840] ================================================================================ [ 766.232124] ================================================================================ [ 766.267845] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1217:23 [ 766.292973] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 766.331040] which requires 64 byte alignment [ 766.347220] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 766.372470] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 766.425503] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 766.462650] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 766.501098] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 766.540139] Call Trace: [ 766.551551] [] dump_stack+0xd7/0x132 [ 766.580693] [] ? arch_local_irq_restore+0x1b/0x1b [ 766.609104] [] ubsan_epilogue+0x12/0x53 [ 766.633955] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 766.663119] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 766.691819] [] rtnl_fill_ifinfo+0xa7e/0x251b [ 766.715215] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 766.737356] [] ? __alloc_skb+0x139/0x503 [ 766.758729] [] ? ___slab_alloc+0xb72/0xbd2 [ 766.781021] [] ? ___slab_alloc+0xb72/0xbd2 [ 766.803802] [] ? __alloc_skb+0x12a/0x503 [ 766.821274] [] ? kasan_poison_shadow+0x2f/0x31 [ 766.843123] [] ? kasan_unpoison_shadow+0x14/0x35 [ 766.863536] [] ? kasan_kmalloc+0x94/0xa3 [ 766.883085] [] ? kasan_slab_alloc+0x12/0x14 [ 766.904756] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 766.927882] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 766.953013] [] ? __alloc_skb+0x139/0x503 [ 766.970515] [] ? kasan_poison_shadow+0x2f/0x31 [ 766.995411] [] ? kasan_unpoison_shadow+0x14/0x35 [ 767.016033] [] ? __alloc_skb+0x4a9/0x503 [ 767.035260] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 767.059075] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 767.082687] [] ? arch_local_irq_restore+0x6/0xd [ 767.106117] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 767.128622] [] rtmsg_ifinfo+0x65/0x8e [ 767.147476] [] register_netdevice+0xbde/0xc2b [ 767.169017] [] register_netdev+0x21/0x2e [ 767.191662] [] loopback_net_init+0x82/0x150 [ 767.214485] [] ? loopback_xmit+0x341/0x341 [ 767.233424] [] ops_init+0x364/0x3c8 [ 767.251619] [] ? __list_add+0x211/0x249 [ 767.270223] [] ? net_alloc_generic+0x64/0x64 [ 767.291348] [] register_pernet_operations+0x28a/0x3ea [ 767.316495] [] ? unregister_pernet_device+0x73/0x73 [ 767.341423] [] register_pernet_device+0x2f/0x6b [ 767.365301] [] net_dev_init+0x57c/0x61a [ 767.383623] [] ? netdev_boot_setup+0x232/0x232 [ 767.404331] [] ? netdev_boot_setup+0x232/0x232 [ 767.447812] [] do_one_initcall+0x16d/0x258 [ 767.475283] [] ? initcall_blacklisted+0x198/0x198 [ 767.496345] [] ? up_write+0x8c/0xd9 [ 767.522153] [] ? down_write_trylock+0x100/0x100 [ 767.605329] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 767.674661] [] kernel_init_freeable+0x457/0x518 [ 767.819185] [] kernel_init+0x16/0x181 [ 767.883890] [] ret_from_fork+0x1f/0x40 [ 767.923424] [] ? rest_init+0x8f/0x8f [ 767.991012] ================================================================================ [ 768.047670] ================================================================================ [ 768.145261] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1306:9 [ 768.166231] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 768.210738] which requires 64 byte alignment [ 768.236131] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 768.278674] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 768.322539] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 768.351175] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 768.378113] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 768.418535] Call Trace: [ 768.441958] [] dump_stack+0xd7/0x132 [ 768.530486] [] ? arch_local_irq_restore+0x1b/0x1b [ 768.557329] [] ubsan_epilogue+0x12/0x53 [ 768.581511] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 768.615103] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 768.653491] [] ? nla_put_64bit+0x9b/0xa9 [ 768.691206] [] rtnl_fill_ifinfo+0xbce/0x251b [ 768.731435] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 768.760675] [] ? __alloc_skb+0x139/0x503 [ 768.801360] [] ? ___slab_alloc+0xb72/0xbd2 [ 768.842570] [] ? ___slab_alloc+0xb72/0xbd2 [ 768.860630] [] ? __alloc_skb+0x12a/0x503 [ 768.886818] [] ? kasan_poison_shadow+0x2f/0x31 [ 769.052674] [] ? kasan_unpoison_shadow+0x14/0x35 [ 769.129741] [] ? kasan_kmalloc+0x94/0xa3 [ 769.182602] [] ? kasan_slab_alloc+0x12/0x14 [ 769.205601] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 769.232346] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 769.254252] [] ? __alloc_skb+0x139/0x503 [ 769.278783] [] ? kasan_poison_shadow+0x2f/0x31 [ 769.299650] [] ? kasan_unpoison_shadow+0x14/0x35 [ 769.327055] [] ? __alloc_skb+0x4a9/0x503 [ 769.344916] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 769.370917] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 769.397809] [] ? arch_local_irq_restore+0x6/0xd [ 769.420749] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 769.441638] [] rtmsg_ifinfo+0x65/0x8e [ 769.463591] [] register_netdevice+0xbde/0xc2b [ 769.484693] [] register_netdev+0x21/0x2e [ 769.510252] [] loopback_net_init+0x82/0x150 [ 769.534523] [] ? loopback_xmit+0x341/0x341 [ 769.574748] [] ops_init+0x364/0x3c8 [ 769.621569] [] ? __list_add+0x211/0x249 [ 769.685521] [] ? net_alloc_generic+0x64/0x64 [ 769.717072] [] register_pernet_operations+0x28a/0x3ea [ 769.756734] [] ? unregister_pernet_device+0x73/0x73 [ 769.823981] [] register_pernet_device+0x2f/0x6b [ 769.881573] [] net_dev_init+0x57c/0x61a [ 769.916419] [] ? netdev_boot_setup+0x232/0x232 [ 769.958005] [] ? netdev_boot_setup+0x232/0x232 [ 769.999859] [] do_one_initcall+0x16d/0x258 [ 770.030348] [] ? initcall_blacklisted+0x198/0x198 [ 770.067251] [] ? up_write+0x8c/0xd9 [ 770.085811] [] ? down_write_trylock+0x100/0x100 [ 770.110003] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 770.140902] [] kernel_init_freeable+0x457/0x518 [ 770.178210] [] kernel_init+0x16/0x181 [ 770.199826] [] ret_from_fork+0x1f/0x40 [ 770.217531] [] ? rest_init+0x8f/0x8f [ 770.244882] ================================================================================ [ 770.292847] ================================================================================ [ 770.321127] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1307:52 [ 770.344525] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 770.380343] which requires 64 byte alignment [ 770.415267] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 770.437348] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 770.474819] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 770.500918] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 770.529007] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 770.553730] Call Trace: [ 770.563295] [] dump_stack+0xd7/0x132 [ 770.582915] [] ? arch_local_irq_restore+0x1b/0x1b [ 770.618846] [] ubsan_epilogue+0x12/0x53 [ 770.666296] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 770.729973] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 770.771989] [] ? nla_put_64bit+0x9b/0xa9 [ 770.797122] [] rtnl_fill_ifinfo+0xbe2/0x251b [ 770.828050] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 770.861260] [] ? __alloc_skb+0x139/0x503 [ 770.892344] [] ? ___slab_alloc+0xb72/0xbd2 [ 770.938454] [] ? ___slab_alloc+0xb72/0xbd2 [ 770.958650] [] ? __alloc_skb+0x12a/0x503 [ 770.979118] [] ? kasan_poison_shadow+0x2f/0x31 [ 771.001942] [] ? kasan_unpoison_shadow+0x14/0x35 [ 771.027238] [] ? kasan_kmalloc+0x94/0xa3 [ 771.057311] [] ? kasan_slab_alloc+0x12/0x14 [ 771.085923] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 771.108866] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 771.132662] [] ? __alloc_skb+0x139/0x503 [ 771.152325] [] ? kasan_poison_shadow+0x2f/0x31 [ 771.175124] [] ? kasan_unpoison_shadow+0x14/0x35 [ 771.199418] [] ? __alloc_skb+0x4a9/0x503 [ 771.220894] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 771.244996] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 771.269075] [] ? arch_local_irq_restore+0x6/0xd [ 771.297151] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 771.318644] [] rtmsg_ifinfo+0x65/0x8e [ 771.338090] [] register_netdevice+0xbde/0xc2b [ 771.360814] [] register_netdev+0x21/0x2e [ 771.383199] [] loopback_net_init+0x82/0x150 [ 771.440114] [] ? loopback_xmit+0x341/0x341 [ 771.464843] [] ops_init+0x364/0x3c8 [ 771.486515] [] ? __list_add+0x211/0x249 [ 771.624877] [] ? net_alloc_generic+0x64/0x64 [ 771.732652] [] register_pernet_operations+0x28a/0x3ea [ 771.778562] [] ? unregister_pernet_device+0x73/0x73 [ 771.805962] [] register_pernet_device+0x2f/0x6b [ 771.844934] [] net_dev_init+0x57c/0x61a [ 771.882271] [] ? netdev_boot_setup+0x232/0x232 [ 771.925024] [] ? netdev_boot_setup+0x232/0x232 [ 771.966644] [] do_one_initcall+0x16d/0x258 [ 772.055846] [] ? initcall_blacklisted+0x198/0x198 [ 772.104978] [] ? up_write+0x8c/0xd9 [ 772.152814] [] ? down_write_trylock+0x100/0x100 [ 772.210732] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 772.363421] [] kernel_init_freeable+0x457/0x518 [ 772.387814] [] kernel_init+0x16/0x181 [ 772.411180] [] ret_from_fork+0x1f/0x40 [ 772.431691] [] ? rest_init+0x8f/0x8f [ 772.453158] ================================================================================ [ 772.485164] ================================================================================ [ 772.515445] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1307:37 [ 772.538821] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 772.573073] which requires 64 byte alignment [ 772.591179] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 772.618426] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 772.654607] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 772.705781] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 772.747195] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 772.775190] Call Trace: [ 772.783902] [] dump_stack+0xd7/0x132 [ 772.810385] [] ? arch_local_irq_restore+0x1b/0x1b [ 772.851952] [] ubsan_epilogue+0x12/0x53 [ 772.876360] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 772.918876] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 772.954135] [] ? nla_put_64bit+0x9b/0xa9 [ 772.979107] [] rtnl_fill_ifinfo+0xbf6/0x251b [ 773.003673] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 773.029948] [] ? __alloc_skb+0x139/0x503 [ 773.051091] [] ? ___slab_alloc+0xb72/0xbd2 [ 773.074233] [] ? ___slab_alloc+0xb72/0xbd2 [ 773.109544] [] ? __alloc_skb+0x12a/0x503 [ 773.139839] [] ? kasan_poison_shadow+0x2f/0x31 [ 773.163952] [] ? kasan_unpoison_shadow+0x14/0x35 [ 773.187116] [] ? kasan_kmalloc+0x94/0xa3 [ 773.208090] [] ? kasan_slab_alloc+0x12/0x14 [ 773.230785] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 773.252535] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 773.281248] [] ? __alloc_skb+0x139/0x503 [ 773.301635] [] ? kasan_poison_shadow+0x2f/0x31 [ 773.323563] [] ? kasan_unpoison_shadow+0x14/0x35 [ 773.347825] [] ? __alloc_skb+0x4a9/0x503 [ 773.366916] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 773.390429] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 773.419069] [] ? arch_local_irq_restore+0x6/0xd [ 773.444027] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 773.466078] [] rtmsg_ifinfo+0x65/0x8e [ 773.509481] [] register_netdevice+0xbde/0xc2b [ 773.535533] [] register_netdev+0x21/0x2e [ 773.558894] [] loopback_net_init+0x82/0x150 [ 773.578898] [] ? loopback_xmit+0x341/0x341 [ 773.600691] [] ops_init+0x364/0x3c8 [ 773.617619] [] ? __list_add+0x211/0x249 [ 773.650102] [] ? net_alloc_generic+0x64/0x64 [ 773.682892] [] register_pernet_operations+0x28a/0x3ea [ 773.731428] [] ? unregister_pernet_device+0x73/0x73 [ 773.773446] [] register_pernet_device+0x2f/0x6b [ 773.816720] [] net_dev_init+0x57c/0x61a [ 773.854161] [] ? netdev_boot_setup+0x232/0x232 [ 773.910617] [] ? netdev_boot_setup+0x232/0x232 [ 773.970159] [] do_one_initcall+0x16d/0x258 [ 774.001255] [] ? initcall_blacklisted+0x198/0x198 [ 774.030753] [] ? up_write+0x8c/0xd9 [ 774.053125] [] ? down_write_trylock+0x100/0x100 [ 774.081850] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 774.124345] [] kernel_init_freeable+0x457/0x518 [ 774.155007] [] kernel_init+0x16/0x181 [ 774.189179] [] ret_from_fork+0x1f/0x40 [ 774.211090] [] ? rest_init+0x8f/0x8f [ 774.231279] ================================================================================ [ 774.262541] ================================================================================ [ 774.294284] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1308:39 [ 774.321499] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 774.353958] which requires 64 byte alignment [ 774.369446] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 774.401487] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 774.469144] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 774.509434] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 774.541542] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 774.584656] Call Trace: [ 774.599550] [] dump_stack+0xd7/0x132 [ 774.649397] [] ? arch_local_irq_restore+0x1b/0x1b [ 774.702994] [] ubsan_epilogue+0x12/0x53 [ 774.736849] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 774.782855] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 774.833389] [] ? nla_put+0x92/0xa0 [ 774.858412] [] rtnl_fill_ifinfo+0xc20/0x251b [ 774.932884] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 774.964403] [] ? __alloc_skb+0x139/0x503 [ 775.003875] [] ? ___slab_alloc+0xb72/0xbd2 [ 775.030325] [] ? ___slab_alloc+0xb72/0xbd2 [ 775.057050] [] ? __alloc_skb+0x12a/0x503 [ 775.084668] [] ? kasan_poison_shadow+0x2f/0x31 [ 775.109452] [] ? kasan_unpoison_shadow+0x14/0x35 [ 775.134119] [] ? kasan_kmalloc+0x94/0xa3 [ 775.161684] [] ? kasan_slab_alloc+0x12/0x14 [ 775.190198] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 775.224189] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 775.254858] [] ? __alloc_skb+0x139/0x503 [ 775.280781] [] ? kasan_poison_shadow+0x2f/0x31 [ 775.305122] [] ? kasan_unpoison_shadow+0x14/0x35 [ 775.332358] [] ? __alloc_skb+0x4a9/0x503 [ 775.353691] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 775.388886] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 775.432203] [] ? arch_local_irq_restore+0x6/0xd [ 775.458130] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 775.487267] [] rtmsg_ifinfo+0x65/0x8e [ 775.506315] [] register_netdevice+0xbde/0xc2b [ 775.533074] [] register_netdev+0x21/0x2e [ 775.556153] [] loopback_net_init+0x82/0x150 [ 775.583465] [] ? loopback_xmit+0x341/0x341 [ 775.605071] [] ops_init+0x364/0x3c8 [ 775.628347] [] ? __list_add+0x211/0x249 [ 775.649990] [] ? net_alloc_generic+0x64/0x64 [ 775.672972] [] register_pernet_operations+0x28a/0x3ea [ 775.701314] [] ? unregister_pernet_device+0x73/0x73 [ 775.724101] [] register_pernet_device+0x2f/0x6b [ 775.751064] [] net_dev_init+0x57c/0x61a [ 775.773089] [] ? netdev_boot_setup+0x232/0x232 [ 775.799472] [] ? netdev_boot_setup+0x232/0x232 [ 775.821176] [] do_one_initcall+0x16d/0x258 [ 775.846851] [] ? initcall_blacklisted+0x198/0x198 [ 775.865384] [] ? up_write+0x8c/0xd9 [ 775.883090] [] ? down_write_trylock+0x100/0x100 [ 775.907782] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 775.936963] [] kernel_init_freeable+0x457/0x518 [ 775.963917] [] kernel_init+0x16/0x181 [ 775.985550] [] ret_from_fork+0x1f/0x40 [ 776.009335] [] ? rest_init+0x8f/0x8f [ 776.029457] ================================================================================ [ 776.061514] ================================================================================ [ 776.089610] UBSAN: Undefined behaviour in net/core/dev.c:6595:31 [ 776.114860] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 776.149823] which requires 64 byte alignment [ 776.165396] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 776.190669] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 776.230888] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 776.258573] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 776.290675] 0000000000000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 776.320429] Call Trace: [ 776.331818] [] dump_stack+0xd7/0x132 [ 776.351683] [] ? arch_local_irq_restore+0x1b/0x1b [ 776.379712] [] ubsan_epilogue+0x12/0x53 [ 776.407364] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 776.439503] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 776.468788] [] ? memcpy+0x45/0x4c [ 776.488847] [] dev_get_phys_port_id+0x36/0xbd [ 776.516133] [] rtnl_fill_ifinfo+0xc5e/0x251b [ 776.538003] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 776.562955] [] ? __alloc_skb+0x139/0x503 [ 776.586454] [] ? ___slab_alloc+0xb72/0xbd2 [ 776.608170] [] ? ___slab_alloc+0xb72/0xbd2 [ 776.634402] [] ? __alloc_skb+0x12a/0x503 [ 776.659979] [] ? kasan_poison_shadow+0x2f/0x31 [ 776.688067] [] ? kasan_unpoison_shadow+0x14/0x35 [ 776.709110] [] ? kasan_kmalloc+0x94/0xa3 [ 776.732199] [] ? kasan_slab_alloc+0x12/0x14 [ 776.755165] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 776.778263] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 776.804443] [] ? __alloc_skb+0x139/0x503 [ 776.827622] [] ? kasan_poison_shadow+0x2f/0x31 [ 776.849557] [] ? kasan_unpoison_shadow+0x14/0x35 [ 776.875284] [] ? __alloc_skb+0x4a9/0x503 [ 776.902263] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 776.933012] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 776.969180] [] ? arch_local_irq_restore+0x6/0xd [ 776.998125] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 777.021881] [] rtmsg_ifinfo+0x65/0x8e [ 777.041996] [] register_netdevice+0xbde/0xc2b [ 777.064685] [] register_netdev+0x21/0x2e [ 777.088428] [] loopback_net_init+0x82/0x150 [ 777.108932] [] ? loopback_xmit+0x341/0x341 [ 777.133572] [] ops_init+0x364/0x3c8 [ 777.153845] [] ? __list_add+0x211/0x249 [ 777.178452] [] ? net_alloc_generic+0x64/0x64 [ 777.203052] [] register_pernet_operations+0x28a/0x3ea [ 777.228277] [] ? unregister_pernet_device+0x73/0x73 [ 777.256635] [] register_pernet_device+0x2f/0x6b [ 777.289956] [] net_dev_init+0x57c/0x61a [ 777.316707] [] ? netdev_boot_setup+0x232/0x232 [ 777.343567] [] ? netdev_boot_setup+0x232/0x232 [ 777.370970] [] do_one_initcall+0x16d/0x258 [ 777.398184] [] ? initcall_blacklisted+0x198/0x198 [ 777.424480] [] ? up_write+0x8c/0xd9 [ 777.444198] [] ? down_write_trylock+0x100/0x100 [ 777.468126] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 777.491159] [] kernel_init_freeable+0x457/0x518 [ 777.528111] [] kernel_init+0x16/0x181 [ 777.555338] [] ret_from_fork+0x1f/0x40 [ 777.587563] [] ? rest_init+0x8f/0x8f [ 777.614964] ================================================================================ [ 777.647274] ================================================================================ [ 777.680991] UBSAN: Undefined behaviour in net/core/dev.c:6614:31 [ 777.700901] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 777.730932] which requires 64 byte alignment [ 777.749559] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 777.768881] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 777.804748] 00000000ffffffff 00000000b1a89c60 ffff88005c9df620 ffffffffb26ec5cc [ 777.831533] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 777.856810] ffffed0000000010 ffff88005c9df648 ffff88005c9df5f8 ffffffffb363c3e0 [ 777.887568] Call Trace: [ 777.900990] [] dump_stack+0xd7/0x132 [ 777.923480] [] ? arch_local_irq_restore+0x1b/0x1b [ 777.951456] [] ubsan_epilogue+0x12/0x53 [ 777.970564] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 778.000739] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 778.025453] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 778.053844] [] ? memcpy+0x45/0x4c [ 778.075643] [] dev_get_phys_port_name+0x3b/0xc7 [ 778.113675] [] ? dev_get_phys_port_id+0x70/0xbd [ 778.138780] [] rtnl_fill_ifinfo+0xcad/0x251b [ 778.169273] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 778.195272] [] ? __alloc_skb+0x139/0x503 [ 778.217019] [] ? ___slab_alloc+0xb72/0xbd2 [ 778.239324] [] ? ___slab_alloc+0xb72/0xbd2 [ 778.265329] [] ? __alloc_skb+0x12a/0x503 [ 778.287686] [] ? kasan_poison_shadow+0x2f/0x31 [ 778.313175] [] ? kasan_unpoison_shadow+0x14/0x35 [ 778.338064] [] ? kasan_kmalloc+0x94/0xa3 [ 778.365273] [] ? kasan_slab_alloc+0x12/0x14 [ 778.388999] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 778.418199] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 778.445104] [] ? __alloc_skb+0x139/0x503 [ 778.470676] [] ? kasan_poison_shadow+0x2f/0x31 [ 778.495097] [] ? kasan_unpoison_shadow+0x14/0x35 [ 778.520735] [] ? __alloc_skb+0x4a9/0x503 [ 778.539639] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 778.573155] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 778.622513] [] ? arch_local_irq_restore+0x6/0xd [ 778.658860] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 778.699075] [] rtmsg_ifinfo+0x65/0x8e [ 778.725586] [] register_netdevice+0xbde/0xc2b [ 778.759000] [] register_netdev+0x21/0x2e [ 778.800567] [] loopback_net_init+0x82/0x150 [ 778.828951] [] ? loopback_xmit+0x341/0x341 [ 778.882577] [] ops_init+0x364/0x3c8 [ 778.910174] [] ? __list_add+0x211/0x249 [ 778.946666] [] ? net_alloc_generic+0x64/0x64 [ 778.974972] [] register_pernet_operations+0x28a/0x3ea [ 779.014835] [] ? unregister_pernet_device+0x73/0x73 [ 779.037046] [] register_pernet_device+0x2f/0x6b [ 779.060552] [] net_dev_init+0x57c/0x61a [ 779.081445] [] ? netdev_boot_setup+0x232/0x232 [ 779.104055] [] ? netdev_boot_setup+0x232/0x232 [ 779.131834] [] do_one_initcall+0x16d/0x258 [ 779.156222] [] ? initcall_blacklisted+0x198/0x198 [ 779.182095] [] ? up_write+0x8c/0xd9 [ 779.201856] [] ? down_write_trylock+0x100/0x100 [ 779.225350] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 779.251705] [] kernel_init_freeable+0x457/0x518 [ 779.276863] [] kernel_init+0x16/0x181 [ 779.300044] [] ret_from_fork+0x1f/0x40 [ 779.321637] [] ? rest_init+0x8f/0x8f [ 779.340771] ================================================================================ [ 779.376776] ================================================================================ [ 779.414637] UBSAN: Undefined behaviour in net/switchdev/switchdev.c:186:30 [ 779.442173] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 779.473156] which requires 64 byte alignment [ 779.492630] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 779.512803] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 779.553007] 00000000ffffffff 00000000b1a89c60 ffff88005c9df528 ffffffffb26ec5cc [ 779.594633] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 779.628116] 0000000000000010 ffff88005c9df550 ffff88005c9df500 ffffffffb363c3e0 [ 779.665677] Call Trace: [ 779.674416] [] dump_stack+0xd7/0x132 [ 779.693882] [] ? arch_local_irq_restore+0x1b/0x1b [ 779.721153] [] ubsan_epilogue+0x12/0x53 [ 779.740322] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 779.771512] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 779.794594] [] switchdev_port_attr_get+0xb0/0x2f2 [ 779.823260] [] ? switchdev_port_fwd_mark_reset+0x21b/0x21b [ 779.858613] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 779.886264] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 779.919729] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 779.947691] [] ? memcpy+0x45/0x4c [ 779.969401] [] ? dev_get_phys_port_name+0xb8/0xc7 [ 780.003320] [] rtnl_fill_ifinfo+0xd28/0x251b [ 780.026280] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 780.051700] [] ? __alloc_skb+0x139/0x503 [ 780.073737] [] ? ___slab_alloc+0xb72/0xbd2 [ 780.096037] [] ? ___slab_alloc+0xb72/0xbd2 [ 780.124351] [] ? __alloc_skb+0x12a/0x503 [ 780.151891] [] ? kasan_poison_shadow+0x2f/0x31 [ 780.174815] [] ? kasan_unpoison_shadow+0x14/0x35 [ 780.206936] [] ? kasan_kmalloc+0x94/0xa3 [ 780.228256] [] ? kasan_slab_alloc+0x12/0x14 [ 780.265267] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 780.289064] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 780.315269] [] ? __alloc_skb+0x139/0x503 [ 780.338160] [] ? kasan_poison_shadow+0x2f/0x31 [ 780.360555] [] ? kasan_unpoison_shadow+0x14/0x35 [ 780.399886] [] ? __alloc_skb+0x4a9/0x503 [ 780.421857] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 780.453875] [] rtmsg_ifinfo+0x65/0x8e [ 780.475543] [] register_netdevice+0xbde/0xc2b [ 780.508039] [] register_netdev+0x21/0x2e [ 780.532366] [] loopback_net_init+0x82/0x150 [ 780.561213] [] ? loopback_xmit+0x341/0x341 [ 780.587134] [] ops_init+0x364/0x3c8 [ 780.608567] [] ? __list_add+0x211/0x249 [ 780.631345] [] ? net_alloc_generic+0x64/0x64 [ 780.656175] [] register_pernet_operations+0x28a/0x3ea [ 780.684112] [] ? unregister_pernet_device+0x73/0x73 [ 780.712738] [] register_pernet_device+0x2f/0x6b [ 780.733907] [] net_dev_init+0x57c/0x61a [ 780.758379] [] ? netdev_boot_setup+0x232/0x232 [ 780.780313] [] ? netdev_boot_setup+0x232/0x232 [ 780.809639] [] do_one_initcall+0x16d/0x258 [ 780.834605] [] ? initcall_blacklisted+0x198/0x198 [ 780.863605] [] ? up_write+0x8c/0xd9 [ 780.883440] [] ? down_write_trylock+0x100/0x100 [ 780.914239] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 780.944091] [] kernel_init_freeable+0x457/0x518 [ 780.972178] [] kernel_init+0x16/0x181 [ 780.993267] [] ret_from_fork+0x1f/0x40 [ 781.012484] [] ? rest_init+0x8f/0x8f [ 781.034445] ================================================================================ [ 781.071563] ================================================================================ [ 781.106920] UBSAN: Undefined behaviour in net/core/dev.c:7525:31 [ 781.128235] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 781.164240] which requires 64 byte alignment [ 781.183504] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 781.211700] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 781.249565] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5f8 ffffffffb26ec5cc [ 781.284584] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 781.317632] ffff880000000010 ffff88005c9df620 ffff88005c9df5d0 ffffffffb363c3e0 [ 781.344206] Call Trace: [ 781.353445] [] dump_stack+0xd7/0x132 [ 781.374802] [] ? arch_local_irq_restore+0x1b/0x1b [ 781.404402] [] ubsan_epilogue+0x12/0x53 [ 781.429318] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 781.456742] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 781.484175] [] ? __nla_reserve+0xfb/0x109 [ 781.505468] [] dev_get_stats+0x35/0x249 [ 781.527445] [] rtnl_fill_stats+0x5a/0x7f7 [ 781.552707] [] rtnl_fill_ifinfo+0xd70/0x251b [ 781.576947] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 781.607960] [] ? __alloc_skb+0x139/0x503 [ 781.633044] [] ? ___slab_alloc+0xb72/0xbd2 [ 781.667908] [] ? ___slab_alloc+0xb72/0xbd2 [ 781.689254] [] ? __alloc_skb+0x12a/0x503 [ 781.714780] [] ? kasan_poison_shadow+0x2f/0x31 [ 781.739398] [] ? kasan_unpoison_shadow+0x14/0x35 [ 781.768925] [] ? kasan_kmalloc+0x94/0xa3 [ 781.933606] [] ? kasan_slab_alloc+0x12/0x14 [ 781.968936] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 782.001547] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 782.038769] [] ? __alloc_skb+0x139/0x503 [ 782.068270] [] ? kasan_poison_shadow+0x2f/0x31 [ 782.092521] [] ? kasan_unpoison_shadow+0x14/0x35 [ 782.127383] [] ? __alloc_skb+0x4a9/0x503 [ 782.154896] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 782.183242] [] rtmsg_ifinfo+0x65/0x8e [ 782.204314] [] register_netdevice+0xbde/0xc2b [ 782.226037] [] register_netdev+0x21/0x2e [ 782.241735] [] loopback_net_init+0x82/0x150 [ 782.270859] [] ? loopback_xmit+0x341/0x341 [ 782.292176] [] ops_init+0x364/0x3c8 [ 782.311637] [] ? __list_add+0x211/0x249 [ 782.335057] [] ? net_alloc_generic+0x64/0x64 [ 782.360048] [] register_pernet_operations+0x28a/0x3ea [ 782.389682] [] ? unregister_pernet_device+0x73/0x73 [ 782.422685] [] register_pernet_device+0x2f/0x6b [ 782.447150] [] net_dev_init+0x57c/0x61a [ 782.470880] [] ? netdev_boot_setup+0x232/0x232 [ 782.491988] [] ? netdev_boot_setup+0x232/0x232 [ 782.521710] [] do_one_initcall+0x16d/0x258 [ 782.541906] [] ? initcall_blacklisted+0x198/0x198 [ 782.573436] [] ? up_write+0x8c/0xd9 [ 782.597598] [] ? down_write_trylock+0x100/0x100 [ 782.635938] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 782.668765] [] kernel_init_freeable+0x457/0x518 [ 782.695978] [] kernel_init+0x16/0x181 [ 782.722679] [] ret_from_fork+0x1f/0x40 [ 782.742275] [] ? rest_init+0x8f/0x8f [ 782.759875] ================================================================================ [ 782.790341] ================================================================================ [ 782.822144] UBSAN: Undefined behaviour in drivers/net/loopback.c:112:14 [ 782.845564] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 782.884063] which requires 64 byte alignment [ 782.906882] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 782.930060] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 782.968236] 00000000ffffffff 00000000b1a89c60 ffff88005c9df598 ffffffffb26ec5cc [ 783.003329] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 783.038274] 1ffff10000000010 ffff88005c9df5c0 ffff88005c9df570 ffffffffb363c3e0 [ 783.072526] Call Trace: [ 783.087942] [] dump_stack+0xd7/0x132 [ 783.110057] [] ? arch_local_irq_restore+0x1b/0x1b [ 783.152980] [] ubsan_epilogue+0x12/0x53 [ 783.179743] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 783.225636] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 783.276069] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 783.320998] [] loopback_get_stats64+0xc9/0x23b [ 783.351393] [] dev_get_stats+0xb5/0x249 [ 783.377140] [] rtnl_fill_stats+0x5a/0x7f7 [ 783.409237] [] rtnl_fill_ifinfo+0xd70/0x251b [ 783.440968] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 783.474614] [] ? __alloc_skb+0x139/0x503 [ 783.498963] [] ? ___slab_alloc+0xb72/0xbd2 [ 783.523868] [] ? ___slab_alloc+0xb72/0xbd2 [ 783.547773] [] ? __alloc_skb+0x12a/0x503 [ 783.572300] [] ? kasan_poison_shadow+0x2f/0x31 [ 783.596866] [] ? kasan_unpoison_shadow+0x14/0x35 [ 783.623783] [] ? kasan_kmalloc+0x94/0xa3 [ 783.647171] [] ? kasan_slab_alloc+0x12/0x14 [ 783.689065] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 783.749117] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 783.821210] [] ? __alloc_skb+0x139/0x503 [ 783.879515] [] ? kasan_poison_shadow+0x2f/0x31 [ 783.985826] [] ? kasan_unpoison_shadow+0x14/0x35 [ 784.106284] [] ? __alloc_skb+0x4a9/0x503 [ 784.134289] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 784.156535] [] rtmsg_ifinfo+0x65/0x8e [ 784.183823] [] register_netdevice+0xbde/0xc2b [ 784.207907] [] register_netdev+0x21/0x2e [ 784.233987] [] loopback_net_init+0x82/0x150 [ 784.260197] [] ? loopback_xmit+0x341/0x341 [ 784.288060] [] ops_init+0x364/0x3c8 [ 784.305208] [] ? __list_add+0x211/0x249 [ 784.332804] [] ? net_alloc_generic+0x64/0x64 [ 784.358545] [] register_pernet_operations+0x28a/0x3ea [ 784.389012] [] ? unregister_pernet_device+0x73/0x73 [ 784.417939] [] register_pernet_device+0x2f/0x6b [ 784.444652] [] net_dev_init+0x57c/0x61a [ 784.470644] [] ? netdev_boot_setup+0x232/0x232 [ 784.500532] [] ? netdev_boot_setup+0x232/0x232 [ 784.525660] [] do_one_initcall+0x16d/0x258 [ 784.557622] [] ? initcall_blacklisted+0x198/0x198 [ 784.588331] [] ? up_write+0x8c/0xd9 [ 784.609922] [] ? down_write_trylock+0x100/0x100 [ 784.642235] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 784.683281] [] kernel_init_freeable+0x457/0x518 [ 784.713458] [] kernel_init+0x16/0x181 [ 784.741806] [] ret_from_fork+0x1f/0x40 [ 784.772720] [] ? rest_init+0x8f/0x8f [ 784.805028] ================================================================================ [ 784.856546] ================================================================================ [ 784.901965] UBSAN: Undefined behaviour in drivers/net/loopback.c:121:20 [ 785.012573] member access within misaligned address ffff88005bdecba4 for type 'struct rtnl_link_stats64' [ 785.842841] which requires 8 byte alignment [ 785.961388] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 786.488149] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 787.312279] 00000000ffffffff 00000000b1a89c60 ffff88005c9df598 ffffffffb26ec5cc [ 787.476618] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 788.042654] ffffffff00000010 ffff88005c9df5c0 ffff88005c9df570 ffffffffb363c3e0 [ 788.141359] Call Trace: [ 788.178949] [] dump_stack+0xd7/0x132 [ 788.245710] [] ? arch_local_irq_restore+0x1b/0x1b [ 788.323372] [] ubsan_epilogue+0x12/0x53 [ 788.389190] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 788.475446] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 788.627574] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 788.693309] [] loopback_get_stats64+0x1a4/0x23b [ 788.743084] [] dev_get_stats+0xb5/0x249 [ 788.809977] [] rtnl_fill_stats+0x5a/0x7f7 [ 788.896400] [] rtnl_fill_ifinfo+0xd70/0x251b [ 788.959000] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 789.023327] [] ? __alloc_skb+0x139/0x503 [ 789.078067] [] ? ___slab_alloc+0xb72/0xbd2 [ 789.145495] [] ? ___slab_alloc+0xb72/0xbd2 [ 789.194840] [] ? __alloc_skb+0x12a/0x503 [ 789.258594] [] ? kasan_poison_shadow+0x2f/0x31 [ 789.334989] [] ? kasan_unpoison_shadow+0x14/0x35 [ 789.428178] [] ? kasan_kmalloc+0x94/0xa3 [ 789.494336] [] ? kasan_slab_alloc+0x12/0x14 [ 789.577631] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 789.662474] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 789.756467] [] ? __alloc_skb+0x139/0x503 [ 789.830521] [] ? kasan_poison_shadow+0x2f/0x31 [ 789.913070] [] ? kasan_unpoison_shadow+0x14/0x35 [ 790.054542] [] ? __alloc_skb+0x4a9/0x503 [ 790.148693] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 790.346258] [] rtmsg_ifinfo+0x65/0x8e [ 790.413725] [] register_netdevice+0xbde/0xc2b [ 790.523404] [] register_netdev+0x21/0x2e [ 790.593657] [] loopback_net_init+0x82/0x150 [ 790.727499] [] ? loopback_xmit+0x341/0x341 [ 790.844133] [] ops_init+0x364/0x3c8 [ 790.891187] [] ? __list_add+0x211/0x249 [ 790.947215] [] ? net_alloc_generic+0x64/0x64 [ 791.031554] [] register_pernet_operations+0x28a/0x3ea [ 791.147015] [] ? unregister_pernet_device+0x73/0x73 [ 791.222956] [] register_pernet_device+0x2f/0x6b [ 791.283857] [] net_dev_init+0x57c/0x61a [ 791.374449] [] ? netdev_boot_setup+0x232/0x232 [ 791.447460] [] ? netdev_boot_setup+0x232/0x232 [ 791.526957] [] do_one_initcall+0x16d/0x258 [ 791.627914] [] ? initcall_blacklisted+0x198/0x198 [ 791.712546] [] ? up_write+0x8c/0xd9 [ 791.764288] [] ? down_write_trylock+0x100/0x100 [ 791.871625] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 792.008334] [] kernel_init_freeable+0x457/0x518 [ 792.111905] [] kernel_init+0x16/0x181 [ 792.226577] [] ret_from_fork+0x1f/0x40 [ 792.311902] [] ? rest_init+0x8f/0x8f [ 792.446456] ================================================================================ [ 792.649250] ================================================================================ [ 792.860848] UBSAN: Undefined behaviour in drivers/net/loopback.c:122:20 [ 792.929096] member access within misaligned address ffff88005bdecba4 for type 'struct rtnl_link_stats64' [ 792.997964] which requires 8 byte alignment [ 793.015357] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 793.047841] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 793.093687] 00000000ffffffff 00000000b1a89c60 ffff88005c9df598 ffffffffb26ec5cc [ 793.143346] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 793.182207] ffffffff00000010 ffff88005c9df5c0 ffff88005c9df570 ffffffffb363c3e0 [ 793.245249] Call Trace: [ 793.261100] [] dump_stack+0xd7/0x132 [ 793.298196] [] ? arch_local_irq_restore+0x1b/0x1b [ 793.429668] [] ubsan_epilogue+0x12/0x53 [ 793.514820] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 793.557873] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 793.594078] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 793.626246] [] loopback_get_stats64+0x1c8/0x23b [ 793.657218] [] dev_get_stats+0xb5/0x249 [ 793.681574] [] rtnl_fill_stats+0x5a/0x7f7 [ 793.711549] [] rtnl_fill_ifinfo+0xd70/0x251b [ 793.748160] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 793.780263] [] ? __alloc_skb+0x139/0x503 [ 793.836755] [] ? ___slab_alloc+0xb72/0xbd2 [ 793.878333] [] ? ___slab_alloc+0xb72/0xbd2 [ 793.912425] [] ? __alloc_skb+0x12a/0x503 [ 793.951262] [] ? kasan_poison_shadow+0x2f/0x31 [ 794.008329] [] ? kasan_unpoison_shadow+0x14/0x35 [ 794.045725] [] ? kasan_kmalloc+0x94/0xa3 [ 794.082635] [] ? kasan_slab_alloc+0x12/0x14 [ 794.123857] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 794.157755] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 794.190195] [] ? __alloc_skb+0x139/0x503 [ 794.213172] [] ? kasan_poison_shadow+0x2f/0x31 [ 794.245352] [] ? kasan_unpoison_shadow+0x14/0x35 [ 794.274540] [] ? __alloc_skb+0x4a9/0x503 [ 794.297060] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 794.324299] [] rtmsg_ifinfo+0x65/0x8e [ 794.346597] [] register_netdevice+0xbde/0xc2b [ 794.373746] [] register_netdev+0x21/0x2e [ 794.397698] [] loopback_net_init+0x82/0x150 [ 794.425443] [] ? loopback_xmit+0x341/0x341 [ 794.448800] [] ops_init+0x364/0x3c8 [ 794.475764] [] ? __list_add+0x211/0x249 [ 794.500191] [] ? net_alloc_generic+0x64/0x64 [ 794.529311] [] register_pernet_operations+0x28a/0x3ea [ 794.561566] [] ? unregister_pernet_device+0x73/0x73 [ 794.593726] [] register_pernet_device+0x2f/0x6b [ 794.624668] [] net_dev_init+0x57c/0x61a [ 794.654749] [] ? netdev_boot_setup+0x232/0x232 [ 794.681420] [] ? netdev_boot_setup+0x232/0x232 [ 794.709309] [] do_one_initcall+0x16d/0x258 [ 794.734502] [] ? initcall_blacklisted+0x198/0x198 [ 794.762362] [] ? up_write+0x8c/0xd9 [ 794.784919] [] ? down_write_trylock+0x100/0x100 [ 794.816566] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 794.848426] [] kernel_init_freeable+0x457/0x518 [ 794.876544] [] kernel_init+0x16/0x181 [ 794.896726] [] ret_from_fork+0x1f/0x40 [ 794.921021] [] ? rest_init+0x8f/0x8f [ 794.944577] ================================================================================ [ 794.980142] ================================================================================ [ 795.027477] UBSAN: Undefined behaviour in drivers/net/loopback.c:123:20 [ 795.055778] member access within misaligned address ffff88005bdecba4 for type 'struct rtnl_link_stats64' [ 795.096821] which requires 8 byte alignment [ 795.118254] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 795.148157] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 795.189918] 00000000ffffffff 00000000b1a89c60 ffff88005c9df598 ffffffffb26ec5cc [ 795.221724] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 795.260025] ffffffff00000010 ffff88005c9df5c0 ffff88005c9df570 ffffffffb363c3e0 [ 795.294812] Call Trace: [ 795.304622] [] dump_stack+0xd7/0x132 [ 795.325592] [] ? arch_local_irq_restore+0x1b/0x1b [ 795.348988] [] ubsan_epilogue+0x12/0x53 [ 795.371958] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 795.407125] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 795.446156] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 795.469038] [] loopback_get_stats64+0x1ee/0x23b [ 795.497845] [] dev_get_stats+0xb5/0x249 [ 795.525593] [] rtnl_fill_stats+0x5a/0x7f7 [ 795.553922] [] rtnl_fill_ifinfo+0xd70/0x251b [ 795.589211] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 795.660606] [] ? __alloc_skb+0x139/0x503 [ 795.743780] [] ? ___slab_alloc+0xb72/0xbd2 [ 795.779148] [] ? ___slab_alloc+0xb72/0xbd2 [ 795.807774] [] ? __alloc_skb+0x12a/0x503 [ 795.829273] [] ? kasan_poison_shadow+0x2f/0x31 [ 795.868941] [] ? kasan_unpoison_shadow+0x14/0x35 [ 795.940870] [] ? kasan_kmalloc+0x94/0xa3 [ 795.981692] [] ? kasan_slab_alloc+0x12/0x14 [ 796.028577] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 796.075947] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 796.124875] [] ? __alloc_skb+0x139/0x503 [ 796.158746] [] ? kasan_poison_shadow+0x2f/0x31 [ 796.188200] [] ? kasan_unpoison_shadow+0x14/0x35 [ 796.223455] [] ? __alloc_skb+0x4a9/0x503 [ 796.285463] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 796.325178] [] rtmsg_ifinfo+0x65/0x8e [ 796.351271] [] register_netdevice+0xbde/0xc2b [ 796.383024] [] register_netdev+0x21/0x2e [ 796.411514] [] loopback_net_init+0x82/0x150 [ 796.443514] [] ? loopback_xmit+0x341/0x341 [ 796.472729] [] ops_init+0x364/0x3c8 [ 796.498575] [] ? __list_add+0x211/0x249 [ 796.521025] [] ? net_alloc_generic+0x64/0x64 [ 796.548507] [] register_pernet_operations+0x28a/0x3ea [ 796.595788] [] ? unregister_pernet_device+0x73/0x73 [ 796.625219] [] register_pernet_device+0x2f/0x6b [ 796.659376] [] net_dev_init+0x57c/0x61a [ 796.682747] [] ? netdev_boot_setup+0x232/0x232 [ 796.717147] [] ? netdev_boot_setup+0x232/0x232 [ 796.799326] [] do_one_initcall+0x16d/0x258 [ 796.845894] [] ? initcall_blacklisted+0x198/0x198 [ 796.879796] [] ? up_write+0x8c/0xd9 [ 796.907643] [] ? down_write_trylock+0x100/0x100 [ 796.934315] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 796.967230] [] kernel_init_freeable+0x457/0x518 [ 797.001692] [] kernel_init+0x16/0x181 [ 797.031655] [] ret_from_fork+0x1f/0x40 [ 797.063453] [] ? rest_init+0x8f/0x8f [ 797.091171] ================================================================================ [ 797.135005] ================================================================================ [ 797.181966] UBSAN: Undefined behaviour in drivers/net/loopback.c:124:20 [ 797.215387] member access within misaligned address ffff88005bdecba4 for type 'struct rtnl_link_stats64' [ 797.262557] which requires 8 byte alignment [ 797.282241] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 797.309729] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 797.350836] 00000000ffffffff 00000000b1a89c60 ffff88005c9df598 ffffffffb26ec5cc [ 797.391330] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 797.445145] ffffffff00000010 ffff88005c9df5c0 ffff88005c9df570 ffffffffb363c3e0 [ 797.495277] Call Trace: [ 797.506599] [] dump_stack+0xd7/0x132 [ 797.529640] [] ? arch_local_irq_restore+0x1b/0x1b [ 797.564301] [] ubsan_epilogue+0x12/0x53 [ 797.595603] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 797.629354] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 797.665424] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 797.691385] [] loopback_get_stats64+0x218/0x23b [ 797.719580] [] dev_get_stats+0xb5/0x249 [ 797.771992] [] rtnl_fill_stats+0x5a/0x7f7 [ 797.810709] [] rtnl_fill_ifinfo+0xd70/0x251b [ 797.848701] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 797.919764] [] ? __alloc_skb+0x139/0x503 [ 797.989812] [] ? ___slab_alloc+0xb72/0xbd2 [ 798.059696] [] ? ___slab_alloc+0xb72/0xbd2 [ 798.097490] [] ? __alloc_skb+0x12a/0x503 [ 798.131228] [] ? kasan_poison_shadow+0x2f/0x31 [ 798.162801] [] ? kasan_unpoison_shadow+0x14/0x35 [ 798.217043] [] ? kasan_kmalloc+0x94/0xa3 [ 798.275266] [] ? kasan_slab_alloc+0x12/0x14 [ 798.309827] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 798.341128] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 798.366730] [] ? __alloc_skb+0x139/0x503 [ 798.394324] [] ? kasan_poison_shadow+0x2f/0x31 [ 798.422518] [] ? kasan_unpoison_shadow+0x14/0x35 [ 798.449306] [] ? __alloc_skb+0x4a9/0x503 [ 798.474170] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 798.500465] [] rtmsg_ifinfo+0x65/0x8e [ 798.524591] [] register_netdevice+0xbde/0xc2b [ 798.550905] [] register_netdev+0x21/0x2e [ 798.587596] [] loopback_net_init+0x82/0x150 [ 798.616403] [] ? loopback_xmit+0x341/0x341 [ 798.640045] [] ops_init+0x364/0x3c8 [ 798.666588] [] ? __list_add+0x211/0x249 [ 798.694572] [] ? net_alloc_generic+0x64/0x64 [ 798.724460] [] register_pernet_operations+0x28a/0x3ea [ 798.754394] [] ? unregister_pernet_device+0x73/0x73 [ 798.783212] [] register_pernet_device+0x2f/0x6b [ 798.814399] [] net_dev_init+0x57c/0x61a [ 798.844504] [] ? netdev_boot_setup+0x232/0x232 [ 798.879248] [] ? netdev_boot_setup+0x232/0x232 [ 798.906235] [] do_one_initcall+0x16d/0x258 [ 798.929959] [] ? initcall_blacklisted+0x198/0x198 [ 798.959278] [] ? up_write+0x8c/0xd9 [ 798.988260] [] ? down_write_trylock+0x100/0x100 [ 799.020988] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 799.052201] [] kernel_init_freeable+0x457/0x518 [ 799.081140] [] kernel_init+0x16/0x181 [ 799.108266] [] ret_from_fork+0x1f/0x40 [ 799.131056] [] ? rest_init+0x8f/0x8f [ 799.159113] ================================================================================ [ 799.205234] ================================================================================ [ 799.305777] UBSAN: Undefined behaviour in net/core/dev.c:7535:22 [ 799.361746] member access within misaligned address ffff88005bdecba4 for type 'struct rtnl_link_stats64' [ 799.403249] which requires 8 byte alignment [ 799.424648] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 799.452330] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 799.496551] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5f8 ffffffffb26ec5cc [ 799.528366] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 799.583589] ffffffff00000010 ffff88005c9df620 ffff88005c9df5d0 ffffffffb363c3e0 [ 799.668724] Call Trace: [ 799.685211] [] dump_stack+0xd7/0x132 [ 799.719963] [] ? arch_local_irq_restore+0x1b/0x1b [ 799.753397] [] ubsan_epilogue+0x12/0x53 [ 799.786528] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 799.828235] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 799.878976] [] ? loopback_get_stats64+0x221/0x23b [ 799.916971] [] dev_get_stats+0x17c/0x249 [ 799.946513] [] rtnl_fill_stats+0x5a/0x7f7 [ 799.975768] [] rtnl_fill_ifinfo+0xd70/0x251b [ 800.017047] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 800.052609] [] ? __alloc_skb+0x139/0x503 [ 800.090751] [] ? ___slab_alloc+0xb72/0xbd2 [ 800.128801] [] ? ___slab_alloc+0xb72/0xbd2 [ 800.157988] [] ? __alloc_skb+0x12a/0x503 [ 800.183861] [] ? kasan_poison_shadow+0x2f/0x31 [ 800.229638] [] ? kasan_unpoison_shadow+0x14/0x35 [ 800.368287] [] ? kasan_kmalloc+0x94/0xa3 [ 800.427658] [] ? kasan_slab_alloc+0x12/0x14 [ 800.464976] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 800.496907] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 800.530551] [] ? __alloc_skb+0x139/0x503 [ 800.571712] [] ? kasan_poison_shadow+0x2f/0x31 [ 800.604824] [] ? kasan_unpoison_shadow+0x14/0x35 [ 800.633722] [] ? __alloc_skb+0x4a9/0x503 [ 800.659766] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 800.689056] [] rtmsg_ifinfo+0x65/0x8e [ 800.715831] [] register_netdevice+0xbde/0xc2b [ 800.744817] [] register_netdev+0x21/0x2e [ 800.768345] [] loopback_net_init+0x82/0x150 [ 800.795119] [] ? loopback_xmit+0x341/0x341 [ 800.817561] [] ops_init+0x364/0x3c8 [ 800.839446] [] ? __list_add+0x211/0x249 [ 800.869527] [] ? net_alloc_generic+0x64/0x64 [ 800.900691] [] register_pernet_operations+0x28a/0x3ea [ 800.927940] [] ? unregister_pernet_device+0x73/0x73 [ 800.952590] [] register_pernet_device+0x2f/0x6b [ 800.976814] [] net_dev_init+0x57c/0x61a [ 801.000873] [] ? netdev_boot_setup+0x232/0x232 [ 801.029501] [] ? netdev_boot_setup+0x232/0x232 [ 801.063206] [] do_one_initcall+0x16d/0x258 [ 801.085126] [] ? initcall_blacklisted+0x198/0x198 [ 801.113414] [] ? up_write+0x8c/0xd9 [ 801.137348] [] ? down_write_trylock+0x100/0x100 [ 801.163780] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 801.188741] [] kernel_init_freeable+0x457/0x518 [ 801.217393] [] kernel_init+0x16/0x181 [ 801.239035] [] ret_from_fork+0x1f/0x40 [ 801.264466] [] ? rest_init+0x8f/0x8f [ 801.281951] ================================================================================ [ 801.318453] ================================================================================ [ 801.356408] UBSAN: Undefined behaviour in net/core/dev.c:7536:22 [ 801.384794] member access within misaligned address ffff88005bdecba4 for type 'struct rtnl_link_stats64' [ 801.426488] which requires 8 byte alignment [ 801.445201] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 801.469486] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 801.517536] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5f8 ffffffffb26ec5cc [ 801.548226] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 801.586197] ffffffff00000010 ffff88005c9df620 ffff88005c9df5d0 ffffffffb363c3e0 [ 801.617729] Call Trace: [ 801.626799] [] dump_stack+0xd7/0x132 [ 801.646287] [] ? arch_local_irq_restore+0x1b/0x1b [ 801.676070] [] ubsan_epilogue+0x12/0x53 [ 801.697585] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 801.726940] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 801.755650] [] ? loopback_get_stats64+0x221/0x23b [ 801.780397] [] dev_get_stats+0x1d3/0x249 [ 801.807198] [] rtnl_fill_stats+0x5a/0x7f7 [ 801.830056] [] rtnl_fill_ifinfo+0xd70/0x251b [ 801.856370] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 801.883230] [] ? __alloc_skb+0x139/0x503 [ 801.905808] [] ? ___slab_alloc+0xb72/0xbd2 [ 801.928520] [] ? ___slab_alloc+0xb72/0xbd2 [ 801.955306] [] ? __alloc_skb+0x12a/0x503 [ 801.980678] [] ? kasan_poison_shadow+0x2f/0x31 [ 802.005599] [] ? kasan_unpoison_shadow+0x14/0x35 [ 802.032736] [] ? kasan_kmalloc+0x94/0xa3 [ 802.058767] [] ? kasan_slab_alloc+0x12/0x14 [ 802.082493] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 802.108609] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 802.141471] [] ? __alloc_skb+0x139/0x503 [ 802.164246] [] ? kasan_poison_shadow+0x2f/0x31 [ 802.187611] [] ? kasan_unpoison_shadow+0x14/0x35 [ 802.215313] [] ? __alloc_skb+0x4a9/0x503 [ 802.238210] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 802.265561] [] rtmsg_ifinfo+0x65/0x8e [ 802.291487] [] register_netdevice+0xbde/0xc2b [ 802.319546] [] register_netdev+0x21/0x2e [ 802.342986] [] loopback_net_init+0x82/0x150 [ 802.365071] [] ? loopback_xmit+0x341/0x341 [ 802.386154] [] ops_init+0x364/0x3c8 [ 802.411996] [] ? __list_add+0x211/0x249 [ 802.475874] [] ? net_alloc_generic+0x64/0x64 [ 802.557331] [] register_pernet_operations+0x28a/0x3ea [ 802.614523] [] ? unregister_pernet_device+0x73/0x73 [ 802.649770] [] register_pernet_device+0x2f/0x6b [ 802.686720] [] net_dev_init+0x57c/0x61a [ 802.727522] [] ? netdev_boot_setup+0x232/0x232 [ 802.766172] [] ? netdev_boot_setup+0x232/0x232 [ 802.801339] [] do_one_initcall+0x16d/0x258 [ 802.838347] [] ? initcall_blacklisted+0x198/0x198 [ 802.878581] [] ? up_write+0x8c/0xd9 [ 802.901447] [] ? down_write_trylock+0x100/0x100 [ 802.928419] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 802.960419] [] kernel_init_freeable+0x457/0x518 [ 802.983862] [] kernel_init+0x16/0x181 [ 803.005436] [] ret_from_fork+0x1f/0x40 [ 803.029048] [] ? rest_init+0x8f/0x8f [ 803.050850] ================================================================================ [ 803.088523] ================================================================================ [ 803.132428] UBSAN: Undefined behaviour in net/core/dev.c:7537:24 [ 803.161129] member access within misaligned address ffff88005bdecba4 for type 'struct rtnl_link_stats64' [ 803.205405] which requires 8 byte alignment [ 803.229015] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 803.260645] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 803.299741] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5f8 ffffffffb26ec5cc [ 803.329261] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 803.370975] ffffffff00000010 ffff88005c9df620 ffff88005c9df5d0 ffffffffb363c3e0 [ 803.486001] Call Trace: [ 803.506512] [] dump_stack+0xd7/0x132 [ 803.553840] [] ? arch_local_irq_restore+0x1b/0x1b [ 803.591922] [] ubsan_epilogue+0x12/0x53 [ 803.617106] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 803.645779] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 803.676648] [] ? loopback_get_stats64+0x221/0x23b [ 803.698353] [] dev_get_stats+0x22a/0x249 [ 803.720263] [] rtnl_fill_stats+0x5a/0x7f7 [ 803.742765] [] rtnl_fill_ifinfo+0xd70/0x251b [ 803.766706] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 803.792829] [] ? __alloc_skb+0x139/0x503 [ 803.813669] [] ? ___slab_alloc+0xb72/0xbd2 [ 803.836837] [] ? ___slab_alloc+0xb72/0xbd2 [ 803.859662] [] ? __alloc_skb+0x12a/0x503 [ 803.880785] [] ? kasan_poison_shadow+0x2f/0x31 [ 803.906825] [] ? kasan_unpoison_shadow+0x14/0x35 [ 803.933700] [] ? kasan_kmalloc+0x94/0xa3 [ 803.957638] [] ? kasan_slab_alloc+0x12/0x14 [ 803.981505] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 804.009941] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 804.037433] [] ? __alloc_skb+0x139/0x503 [ 804.068834] [] ? kasan_poison_shadow+0x2f/0x31 [ 804.097869] [] ? kasan_unpoison_shadow+0x14/0x35 [ 804.121772] [] ? __alloc_skb+0x4a9/0x503 [ 804.150968] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 804.177387] [] rtmsg_ifinfo+0x65/0x8e [ 804.199438] [] register_netdevice+0xbde/0xc2b [ 804.226620] [] register_netdev+0x21/0x2e [ 804.250640] [] loopback_net_init+0x82/0x150 [ 804.276229] [] ? loopback_xmit+0x341/0x341 [ 804.300107] [] ops_init+0x364/0x3c8 [ 804.325457] [] ? __list_add+0x211/0x249 [ 804.346570] [] ? net_alloc_generic+0x64/0x64 [ 804.371895] [] register_pernet_operations+0x28a/0x3ea [ 804.440711] [] ? unregister_pernet_device+0x73/0x73 [ 804.519925] [] register_pernet_device+0x2f/0x6b [ 804.568136] [] net_dev_init+0x57c/0x61a [ 804.601415] [] ? netdev_boot_setup+0x232/0x232 [ 804.640233] [] ? netdev_boot_setup+0x232/0x232 [ 804.682988] [] do_one_initcall+0x16d/0x258 [ 804.712719] [] ? initcall_blacklisted+0x198/0x198 [ 804.745038] [] ? up_write+0x8c/0xd9 [ 804.770499] [] ? down_write_trylock+0x100/0x100 [ 804.800432] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 804.833924] [] kernel_init_freeable+0x457/0x518 [ 804.865394] [] kernel_init+0x16/0x181 [ 804.890441] [] ret_from_fork+0x1f/0x40 [ 804.911809] [] ? rest_init+0x8f/0x8f [ 804.935618] ================================================================================ [ 804.971031] ================================================================================ [ 805.017328] UBSAN: Undefined behaviour in net/core/rtnetlink.c:802:19 [ 805.046668] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 805.093133] which requires 8 byte alignment [ 805.112380] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 805.139082] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 805.187649] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 805.223036] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 805.262681] 0000000000000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 805.298166] Call Trace: [ 805.306991] [] dump_stack+0xd7/0x132 [ 805.329384] [] ? arch_local_irq_restore+0x1b/0x1b [ 805.353266] [] ubsan_epilogue+0x12/0x53 [ 805.376654] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 805.401936] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 805.436463] [] ? __nla_reserve+0xfb/0x109 [ 805.461748] [] ? nla_reserve+0x8a/0x9a [ 805.498537] [] rtnl_fill_stats+0x96/0x7f7 [ 805.525783] [] rtnl_fill_ifinfo+0xd70/0x251b [ 805.558887] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 805.585356] [] ? __alloc_skb+0x139/0x503 [ 805.615927] [] ? ___slab_alloc+0xb72/0xbd2 [ 805.644272] [] ? ___slab_alloc+0xb72/0xbd2 [ 805.673648] [] ? __alloc_skb+0x12a/0x503 [ 805.698175] [] ? kasan_poison_shadow+0x2f/0x31 [ 805.729724] [] ? kasan_unpoison_shadow+0x14/0x35 [ 805.763841] [] ? kasan_kmalloc+0x94/0xa3 [ 805.789696] [] ? kasan_slab_alloc+0x12/0x14 [ 805.819673] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 805.852601] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 805.884136] [] ? __alloc_skb+0x139/0x503 [ 805.909386] [] ? kasan_poison_shadow+0x2f/0x31 [ 805.935491] [] ? kasan_unpoison_shadow+0x14/0x35 [ 806.543449] [] ? __alloc_skb+0x4a9/0x503 [ 806.577828] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 806.604324] [] rtmsg_ifinfo+0x65/0x8e [ 806.624479] [] register_netdevice+0xbde/0xc2b [ 806.657326] [] register_netdev+0x21/0x2e [ 806.683519] [] loopback_net_init+0x82/0x150 [ 806.711481] [] ? loopback_xmit+0x341/0x341 [ 806.732588] [] ops_init+0x364/0x3c8 [ 806.753930] [] ? __list_add+0x211/0x249 [ 806.779326] [] ? net_alloc_generic+0x64/0x64 [ 806.802550] [] register_pernet_operations+0x28a/0x3ea [ 806.838592] [] ? unregister_pernet_device+0x73/0x73 [ 806.883669] [] register_pernet_device+0x2f/0x6b [ 806.946678] [] net_dev_init+0x57c/0x61a [ 806.975057] [] ? netdev_boot_setup+0x232/0x232 [ 807.008236] [] ? netdev_boot_setup+0x232/0x232 [ 807.034398] [] do_one_initcall+0x16d/0x258 [ 807.057518] [] ? initcall_blacklisted+0x198/0x198 [ 807.085354] [] ? up_write+0x8c/0xd9 [ 807.102502] [] ? down_write_trylock+0x100/0x100 [ 807.131563] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 807.161486] [] kernel_init_freeable+0x457/0x518 [ 807.187454] [] kernel_init+0x16/0x181 [ 807.210982] [] ret_from_fork+0x1f/0x40 [ 807.235557] [] ? rest_init+0x8f/0x8f [ 807.256317] ================================================================================ [ 807.297815] ================================================================================ [ 807.332979] UBSAN: Undefined behaviour in net/core/rtnetlink.c:803:19 [ 807.365781] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 807.410623] which requires 8 byte alignment [ 807.430530] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 807.454998] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 807.498320] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 807.527478] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 807.566013] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 807.598048] Call Trace: [ 807.613414] [] dump_stack+0xd7/0x132 [ 807.634207] [] ? arch_local_irq_restore+0x1b/0x1b [ 807.659865] [] ubsan_epilogue+0x12/0x53 [ 807.681504] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 807.706592] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 807.737320] [] ? __nla_reserve+0xfb/0x109 [ 807.759127] [] ? nla_reserve+0x8a/0x9a [ 807.778766] [] rtnl_fill_stats+0xe1/0x7f7 [ 807.801778] [] rtnl_fill_ifinfo+0xd70/0x251b [ 807.827037] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 807.852824] [] ? __alloc_skb+0x139/0x503 [ 807.873046] [] ? ___slab_alloc+0xb72/0xbd2 [ 807.898243] [] ? ___slab_alloc+0xb72/0xbd2 [ 807.921392] [] ? __alloc_skb+0x12a/0x503 [ 807.947277] [] ? kasan_poison_shadow+0x2f/0x31 [ 807.970560] [] ? kasan_unpoison_shadow+0x14/0x35 [ 807.994713] [] ? kasan_kmalloc+0x94/0xa3 [ 808.017502] [] ? kasan_slab_alloc+0x12/0x14 [ 808.040855] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 808.068764] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 808.097047] [] ? __alloc_skb+0x139/0x503 [ 808.119335] [] ? kasan_poison_shadow+0x2f/0x31 [ 808.147080] [] ? kasan_unpoison_shadow+0x14/0x35 [ 808.172647] [] ? __alloc_skb+0x4a9/0x503 [ 808.200191] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 808.249372] [] rtmsg_ifinfo+0x65/0x8e [ 808.306214] [] register_netdevice+0xbde/0xc2b [ 808.364211] [] register_netdev+0x21/0x2e [ 808.388499] [] loopback_net_init+0x82/0x150 [ 808.414362] [] ? loopback_xmit+0x341/0x341 [ 808.438846] [] ops_init+0x364/0x3c8 [ 808.466310] [] ? __list_add+0x211/0x249 [ 808.489798] [] ? net_alloc_generic+0x64/0x64 [ 808.520953] [] register_pernet_operations+0x28a/0x3ea [ 808.553972] [] ? unregister_pernet_device+0x73/0x73 [ 808.650080] [] register_pernet_device+0x2f/0x6b [ 808.720876] [] net_dev_init+0x57c/0x61a [ 808.760871] [] ? netdev_boot_setup+0x232/0x232 [ 808.797290] [] ? netdev_boot_setup+0x232/0x232 [ 808.837978] [] do_one_initcall+0x16d/0x258 [ 808.869077] [] ? initcall_blacklisted+0x198/0x198 [ 808.897350] [] ? up_write+0x8c/0xd9 [ 808.921126] [] ? down_write_trylock+0x100/0x100 [ 808.952721] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 808.980746] [] kernel_init_freeable+0x457/0x518 [ 809.002455] [] kernel_init+0x16/0x181 [ 809.031040] [] ret_from_fork+0x1f/0x40 [ 809.052838] [] ? rest_init+0x8f/0x8f [ 809.076874] ================================================================================ [ 809.116719] ================================================================================ [ 809.154745] UBSAN: Undefined behaviour in net/core/rtnetlink.c:804:17 [ 809.187440] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 809.232891] which requires 8 byte alignment [ 809.251486] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 809.275710] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 809.318871] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 809.355396] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 809.386230] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 809.417856] Call Trace: [ 809.431665] [] dump_stack+0xd7/0x132 [ 809.450593] [] ? arch_local_irq_restore+0x1b/0x1b [ 809.476807] [] ubsan_epilogue+0x12/0x53 [ 809.500560] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 809.534682] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 809.568522] [] ? __nla_reserve+0xfb/0x109 [ 809.595059] [] ? nla_reserve+0x8a/0x9a [ 809.616575] [] rtnl_fill_stats+0x12e/0x7f7 [ 809.639919] [] rtnl_fill_ifinfo+0xd70/0x251b [ 809.671481] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 809.701502] [] ? __alloc_skb+0x139/0x503 [ 809.729432] [] ? ___slab_alloc+0xb72/0xbd2 [ 809.752088] [] ? ___slab_alloc+0xb72/0xbd2 [ 809.774936] [] ? __alloc_skb+0x12a/0x503 [ 809.799961] [] ? kasan_poison_shadow+0x2f/0x31 [ 809.823488] [] ? kasan_unpoison_shadow+0x14/0x35 [ 809.849411] [] ? kasan_kmalloc+0x94/0xa3 [ 809.872591] [] ? kasan_slab_alloc+0x12/0x14 [ 809.897662] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 809.921574] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 809.949244] [] ? __alloc_skb+0x139/0x503 [ 809.971643] [] ? kasan_poison_shadow+0x2f/0x31 [ 810.001960] [] ? kasan_unpoison_shadow+0x14/0x35 [ 810.037182] [] ? __alloc_skb+0x4a9/0x503 [ 810.068806] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 810.100876] [] rtmsg_ifinfo+0x65/0x8e [ 810.133928] [] register_netdevice+0xbde/0xc2b [ 810.166396] [] register_netdev+0x21/0x2e [ 810.194854] [] loopback_net_init+0x82/0x150 [ 810.220890] [] ? loopback_xmit+0x341/0x341 [ 810.245843] [] ops_init+0x364/0x3c8 [ 810.268225] [] ? __list_add+0x211/0x249 [ 810.296211] [] ? net_alloc_generic+0x64/0x64 [ 810.318856] [] register_pernet_operations+0x28a/0x3ea [ 810.355268] [] ? unregister_pernet_device+0x73/0x73 [ 810.387477] [] register_pernet_device+0x2f/0x6b [ 810.415766] [] net_dev_init+0x57c/0x61a [ 810.436466] [] ? netdev_boot_setup+0x232/0x232 [ 810.466005] [] ? netdev_boot_setup+0x232/0x232 [ 810.493124] [] do_one_initcall+0x16d/0x258 [ 810.515969] [] ? initcall_blacklisted+0x198/0x198 [ 810.545911] [] ? up_write+0x8c/0xd9 [ 810.566860] [] ? down_write_trylock+0x100/0x100 [ 810.589660] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 810.619329] [] kernel_init_freeable+0x457/0x518 [ 810.646378] [] kernel_init+0x16/0x181 [ 810.667362] [] ret_from_fork+0x1f/0x40 [ 810.688741] [] ? rest_init+0x8f/0x8f [ 810.710491] ================================================================================ [ 810.740731] ================================================================================ [ 810.778985] UBSAN: Undefined behaviour in net/core/rtnetlink.c:805:17 [ 810.804786] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 810.846223] which requires 8 byte alignment [ 810.866077] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 810.886745] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 810.923055] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 810.956278] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 810.985029] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 811.014485] Call Trace: [ 811.020636] [] dump_stack+0xd7/0x132 [ 811.042012] [] ? arch_local_irq_restore+0x1b/0x1b [ 811.070827] [] ubsan_epilogue+0x12/0x53 [ 811.096145] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 811.123048] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 811.153497] [] ? __nla_reserve+0xfb/0x109 [ 811.178611] [] ? nla_reserve+0x8a/0x9a [ 811.202108] [] rtnl_fill_stats+0x17b/0x7f7 [ 811.226865] [] rtnl_fill_ifinfo+0xd70/0x251b [ 811.252389] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 811.282128] [] ? __alloc_skb+0x139/0x503 [ 811.302587] [] ? ___slab_alloc+0xb72/0xbd2 [ 811.333928] [] ? ___slab_alloc+0xb72/0xbd2 [ 811.358054] [] ? __alloc_skb+0x12a/0x503 [ 811.383174] [] ? kasan_poison_shadow+0x2f/0x31 [ 811.409924] [] ? kasan_unpoison_shadow+0x14/0x35 [ 811.436048] [] ? kasan_kmalloc+0x94/0xa3 [ 811.463479] [] ? kasan_slab_alloc+0x12/0x14 [ 811.488144] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 811.514948] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 811.546179] [] ? __alloc_skb+0x139/0x503 [ 811.568076] [] ? kasan_poison_shadow+0x2f/0x31 [ 811.592109] [] ? kasan_unpoison_shadow+0x14/0x35 [ 811.618353] [] ? __alloc_skb+0x4a9/0x503 [ 811.646494] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 811.671992] [] rtmsg_ifinfo+0x65/0x8e [ 811.697070] [] register_netdevice+0xbde/0xc2b [ 811.719975] [] register_netdev+0x21/0x2e [ 811.747746] [] loopback_net_init+0x82/0x150 [ 811.774235] [] ? loopback_xmit+0x341/0x341 [ 811.799720] [] ops_init+0x364/0x3c8 [ 811.818480] [] ? __list_add+0x211/0x249 [ 811.842603] [] ? net_alloc_generic+0x64/0x64 [ 811.867317] [] register_pernet_operations+0x28a/0x3ea [ 811.896329] [] ? unregister_pernet_device+0x73/0x73 [ 811.927050] [] register_pernet_device+0x2f/0x6b [ 811.953707] [] net_dev_init+0x57c/0x61a [ 811.977122] [] ? netdev_boot_setup+0x232/0x232 [ 812.002202] [] ? netdev_boot_setup+0x232/0x232 [ 812.030835] [] do_one_initcall+0x16d/0x258 [ 812.053703] [] ? initcall_blacklisted+0x198/0x198 [ 812.082282] [] ? up_write+0x8c/0xd9 [ 812.102986] [] ? down_write_trylock+0x100/0x100 [ 812.130352] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 812.154855] [] kernel_init_freeable+0x457/0x518 [ 812.186589] [] kernel_init+0x16/0x181 [ 812.209651] [] ret_from_fork+0x1f/0x40 [ 812.232772] [] ? rest_init+0x8f/0x8f [ 812.251838] ================================================================================ [ 812.286551] ================================================================================ [ 812.321201] UBSAN: Undefined behaviour in net/core/rtnetlink.c:806:18 [ 812.353016] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 812.391187] which requires 8 byte alignment [ 812.407113] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 812.435722] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 812.477592] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 812.514415] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 812.550691] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 812.583105] Call Trace: [ 812.593115] [] dump_stack+0xd7/0x132 [ 812.615534] [] ? arch_local_irq_restore+0x1b/0x1b [ 812.640076] [] ubsan_epilogue+0x12/0x53 [ 812.662608] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 812.689219] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 812.716275] [] ? __nla_reserve+0xfb/0x109 [ 812.739503] [] ? nla_reserve+0x8a/0x9a [ 812.765761] [] rtnl_fill_stats+0x1c8/0x7f7 [ 812.790358] [] rtnl_fill_ifinfo+0xd70/0x251b [ 812.814931] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 812.837138] [] ? __alloc_skb+0x139/0x503 [ 812.860580] [] ? ___slab_alloc+0xb72/0xbd2 [ 812.886112] [] ? ___slab_alloc+0xb72/0xbd2 [ 812.906324] [] ? __alloc_skb+0x12a/0x503 [ 812.928588] [] ? kasan_poison_shadow+0x2f/0x31 [ 812.956424] [] ? kasan_unpoison_shadow+0x14/0x35 [ 812.983746] [] ? kasan_kmalloc+0x94/0xa3 [ 813.006411] [] ? kasan_slab_alloc+0x12/0x14 [ 813.032074] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 813.054632] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 813.085698] [] ? __alloc_skb+0x139/0x503 [ 813.107125] [] ? kasan_poison_shadow+0x2f/0x31 [ 813.138452] [] ? kasan_unpoison_shadow+0x14/0x35 [ 813.165256] [] ? __alloc_skb+0x4a9/0x503 [ 813.184122] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 813.206235] [] rtmsg_ifinfo+0x65/0x8e [ 813.233376] [] register_netdevice+0xbde/0xc2b [ 813.253271] [] register_netdev+0x21/0x2e [ 813.275674] [] loopback_net_init+0x82/0x150 [ 813.300130] [] ? loopback_xmit+0x341/0x341 [ 813.323407] [] ops_init+0x364/0x3c8 [ 813.349178] [] ? __list_add+0x211/0x249 [ 813.371318] [] ? net_alloc_generic+0x64/0x64 [ 813.394851] [] register_pernet_operations+0x28a/0x3ea [ 813.420912] [] ? unregister_pernet_device+0x73/0x73 [ 813.449525] [] register_pernet_device+0x2f/0x6b [ 813.469729] [] net_dev_init+0x57c/0x61a [ 813.491451] [] ? netdev_boot_setup+0x232/0x232 [ 813.514081] [] ? netdev_boot_setup+0x232/0x232 [ 813.537155] [] do_one_initcall+0x16d/0x258 [ 813.558685] [] ? initcall_blacklisted+0x198/0x198 [ 813.586611] [] ? up_write+0x8c/0xd9 [ 813.610064] [] ? down_write_trylock+0x100/0x100 [ 813.636587] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 813.672811] [] kernel_init_freeable+0x457/0x518 [ 813.699223] [] kernel_init+0x16/0x181 [ 813.720968] [] ret_from_fork+0x1f/0x40 [ 813.741936] [] ? rest_init+0x8f/0x8f [ 813.767632] ================================================================================ [ 813.797882] ================================================================================ [ 813.827694] UBSAN: Undefined behaviour in net/core/rtnetlink.c:807:18 [ 813.855080] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 813.897848] which requires 8 byte alignment [ 813.915505] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 813.937272] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 813.983105] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 814.018525] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 814.053213] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 814.090307] Call Trace: [ 814.100938] [] dump_stack+0xd7/0x132 [ 814.119619] [] ? arch_local_irq_restore+0x1b/0x1b [ 814.147958] [] ubsan_epilogue+0x12/0x53 [ 814.171488] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 814.195356] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 814.223522] [] ? __nla_reserve+0xfb/0x109 [ 814.245531] [] ? nla_reserve+0x8a/0x9a [ 814.268443] [] rtnl_fill_stats+0x215/0x7f7 [ 814.291468] [] rtnl_fill_ifinfo+0xd70/0x251b [ 814.315753] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 814.338480] [] ? __alloc_skb+0x139/0x503 [ 814.367111] [] ? ___slab_alloc+0xb72/0xbd2 [ 814.389228] [] ? ___slab_alloc+0xb72/0xbd2 [ 814.411743] [] ? __alloc_skb+0x12a/0x503 [ 814.435276] [] ? kasan_poison_shadow+0x2f/0x31 [ 814.459420] [] ? kasan_unpoison_shadow+0x14/0x35 [ 814.484103] [] ? kasan_kmalloc+0x94/0xa3 [ 814.504580] [] ? kasan_slab_alloc+0x12/0x14 [ 814.532106] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 814.566096] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 814.600400] [] ? __alloc_skb+0x139/0x503 [ 814.620389] [] ? kasan_poison_shadow+0x2f/0x31 [ 814.642295] [] ? kasan_unpoison_shadow+0x14/0x35 [ 814.668549] [] ? __alloc_skb+0x4a9/0x503 [ 814.690596] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 814.716477] [] rtmsg_ifinfo+0x65/0x8e [ 814.738943] [] register_netdevice+0xbde/0xc2b [ 814.762789] [] register_netdev+0x21/0x2e [ 814.786855] [] loopback_net_init+0x82/0x150 [ 814.808213] [] ? loopback_xmit+0x341/0x341 [ 814.836188] [] ops_init+0x364/0x3c8 [ 814.856582] [] ? __list_add+0x211/0x249 [ 814.874721] [] ? net_alloc_generic+0x64/0x64 [ 814.898516] [] register_pernet_operations+0x28a/0x3ea [ 814.922316] [] ? unregister_pernet_device+0x73/0x73 [ 814.952556] [] register_pernet_device+0x2f/0x6b [ 814.974582] [] net_dev_init+0x57c/0x61a [ 814.996400] [] ? netdev_boot_setup+0x232/0x232 [ 815.018987] [] ? netdev_boot_setup+0x232/0x232 [ 815.043315] [] do_one_initcall+0x16d/0x258 [ 815.089088] [] ? initcall_blacklisted+0x198/0x198 [ 815.116120] [] ? up_write+0x8c/0xd9 [ 815.135802] [] ? down_write_trylock+0x100/0x100 [ 815.161144] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 815.191069] [] kernel_init_freeable+0x457/0x518 [ 815.225749] [] kernel_init+0x16/0x181 [ 815.245227] [] ret_from_fork+0x1f/0x40 [ 815.271740] [] ? rest_init+0x8f/0x8f [ 815.295985] ================================================================================ [ 815.337464] ================================================================================ [ 815.369518] UBSAN: Undefined behaviour in net/core/rtnetlink.c:808:19 [ 815.395747] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 815.437362] which requires 8 byte alignment [ 815.455821] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 815.477709] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 815.517401] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 815.556121] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 815.587257] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 815.616730] Call Trace: [ 815.626746] [] dump_stack+0xd7/0x132 [ 815.649534] [] ? arch_local_irq_restore+0x1b/0x1b [ 815.674762] [] ubsan_epilogue+0x12/0x53 [ 815.695797] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 815.726213] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 815.758749] [] ? __nla_reserve+0xfb/0x109 [ 815.782897] [] ? nla_reserve+0x8a/0x9a [ 815.808064] [] rtnl_fill_stats+0x262/0x7f7 [ 815.833639] [] rtnl_fill_ifinfo+0xd70/0x251b [ 815.857247] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 815.878444] [] ? __alloc_skb+0x139/0x503 [ 815.904047] [] ? ___slab_alloc+0xb72/0xbd2 [ 815.926536] [] ? ___slab_alloc+0xb72/0xbd2 [ 815.951769] [] ? __alloc_skb+0x12a/0x503 [ 815.972543] [] ? kasan_poison_shadow+0x2f/0x31 [ 815.992429] [] ? kasan_unpoison_shadow+0x14/0x35 [ 816.017742] [] ? kasan_kmalloc+0x94/0xa3 [ 816.038633] [] ? kasan_slab_alloc+0x12/0x14 [ 816.063122] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 816.090579] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 816.118532] [] ? __alloc_skb+0x139/0x503 [ 816.140982] [] ? kasan_poison_shadow+0x2f/0x31 [ 816.169148] [] ? kasan_unpoison_shadow+0x14/0x35 [ 816.193793] [] ? __alloc_skb+0x4a9/0x503 [ 816.217689] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 816.243030] [] rtmsg_ifinfo+0x65/0x8e [ 816.270831] [] register_netdevice+0xbde/0xc2b [ 816.292678] [] register_netdev+0x21/0x2e [ 816.316779] [] loopback_net_init+0x82/0x150 [ 816.339615] [] ? loopback_xmit+0x341/0x341 [ 816.366051] [] ops_init+0x364/0x3c8 [ 816.386574] [] ? __list_add+0x211/0x249 [ 816.408858] [] ? net_alloc_generic+0x64/0x64 [ 816.435280] [] register_pernet_operations+0x28a/0x3ea [ 816.460777] [] ? unregister_pernet_device+0x73/0x73 [ 816.487925] [] register_pernet_device+0x2f/0x6b [ 816.512255] [] net_dev_init+0x57c/0x61a [ 816.536924] [] ? netdev_boot_setup+0x232/0x232 [ 816.566786] [] ? netdev_boot_setup+0x232/0x232 [ 816.591774] [] do_one_initcall+0x16d/0x258 [ 816.617893] [] ? initcall_blacklisted+0x198/0x198 [ 816.641732] [] ? up_write+0x8c/0xd9 [ 816.661599] [] ? down_write_trylock+0x100/0x100 [ 816.688969] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 816.717989] [] kernel_init_freeable+0x457/0x518 [ 816.745434] [] kernel_init+0x16/0x181 [ 816.766772] [] ret_from_fork+0x1f/0x40 [ 816.793010] [] ? rest_init+0x8f/0x8f [ 816.816580] ================================================================================ [ 816.854360] ================================================================================ [ 816.888348] UBSAN: Undefined behaviour in net/core/rtnetlink.c:809:19 [ 816.913491] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 816.956248] which requires 8 byte alignment [ 816.972761] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 817.001352] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 817.038486] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 817.069368] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 817.100902] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 817.133706] Call Trace: [ 817.140157] [] dump_stack+0xd7/0x132 [ 817.160988] [] ? arch_local_irq_restore+0x1b/0x1b [ 817.186621] [] ubsan_epilogue+0x12/0x53 [ 817.210172] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 817.237807] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 817.268242] [] ? __nla_reserve+0xfb/0x109 [ 817.292652] [] ? nla_reserve+0x8a/0x9a [ 817.317160] [] rtnl_fill_stats+0x2af/0x7f7 [ 817.339728] [] rtnl_fill_ifinfo+0xd70/0x251b [ 817.366265] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 817.389330] [] ? __alloc_skb+0x139/0x503 [ 817.419174] [] ? ___slab_alloc+0xb72/0xbd2 [ 817.448941] [] ? ___slab_alloc+0xb72/0xbd2 [ 817.473073] [] ? __alloc_skb+0x12a/0x503 [ 817.492821] [] ? kasan_poison_shadow+0x2f/0x31 [ 817.517710] [] ? kasan_unpoison_shadow+0x14/0x35 [ 817.543310] [] ? kasan_kmalloc+0x94/0xa3 [ 817.568292] [] ? kasan_slab_alloc+0x12/0x14 [ 817.592841] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 817.617903] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 817.641964] [] ? __alloc_skb+0x139/0x503 [ 817.666916] [] ? kasan_poison_shadow+0x2f/0x31 [ 817.687886] [] ? kasan_unpoison_shadow+0x14/0x35 [ 817.714021] [] ? __alloc_skb+0x4a9/0x503 [ 817.736453] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 817.759328] [] rtmsg_ifinfo+0x65/0x8e [ 817.785019] [] register_netdevice+0xbde/0xc2b [ 817.808460] [] register_netdev+0x21/0x2e [ 817.832356] [] loopback_net_init+0x82/0x150 [ 817.864833] [] ? loopback_xmit+0x341/0x341 [ 817.891114] [] ops_init+0x364/0x3c8 [ 817.911792] [] ? __list_add+0x211/0x249 [ 817.934195] [] ? net_alloc_generic+0x64/0x64 [ 817.957863] [] register_pernet_operations+0x28a/0x3ea [ 817.987184] [] ? unregister_pernet_device+0x73/0x73 [ 818.015282] [] register_pernet_device+0x2f/0x6b [ 818.039578] [] net_dev_init+0x57c/0x61a [ 818.065448] [] ? netdev_boot_setup+0x232/0x232 [ 818.092226] [] ? netdev_boot_setup+0x232/0x232 [ 818.119828] [] do_one_initcall+0x16d/0x258 [ 818.143100] [] ? initcall_blacklisted+0x198/0x198 [ 818.174449] [] ? up_write+0x8c/0xd9 [ 818.192432] [] ? down_write_trylock+0x100/0x100 [ 818.217494] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 818.240810] [] kernel_init_freeable+0x457/0x518 [ 818.268420] [] kernel_init+0x16/0x181 [ 818.295055] [] ret_from_fork+0x1f/0x40 [ 818.320900] [] ? rest_init+0x8f/0x8f [ 818.344136] ================================================================================ [ 818.384177] ================================================================================ [ 818.420586] UBSAN: Undefined behaviour in net/core/rtnetlink.c:811:18 [ 818.452970] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 818.587875] which requires 8 byte alignment [ 818.608019] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 818.627728] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 818.671233] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 818.704077] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 818.734679] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 818.767342] Call Trace: [ 818.782966] [] dump_stack+0xd7/0x132 [ 818.819916] [] ? arch_local_irq_restore+0x1b/0x1b [ 818.855191] [] ubsan_epilogue+0x12/0x53 [ 818.880560] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 818.916378] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 818.944731] [] ? __nla_reserve+0xfb/0x109 [ 818.970964] [] ? nla_reserve+0x8a/0x9a [ 818.994954] [] rtnl_fill_stats+0x2fc/0x7f7 [ 819.017547] [] rtnl_fill_ifinfo+0xd70/0x251b [ 819.041151] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 819.070969] [] ? __alloc_skb+0x139/0x503 [ 819.097098] [] ? ___slab_alloc+0xb72/0xbd2 [ 819.124453] [] ? ___slab_alloc+0xb72/0xbd2 [ 819.150478] [] ? __alloc_skb+0x12a/0x503 [ 819.177443] [] ? kasan_poison_shadow+0x2f/0x31 [ 819.213590] [] ? kasan_unpoison_shadow+0x14/0x35 [ 819.240870] [] ? kasan_kmalloc+0x94/0xa3 [ 819.264048] [] ? kasan_slab_alloc+0x12/0x14 [ 819.291273] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 819.321465] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 819.354561] [] ? __alloc_skb+0x139/0x503 [ 819.382542] [] ? kasan_poison_shadow+0x2f/0x31 [ 819.454142] [] ? kasan_unpoison_shadow+0x14/0x35 [ 819.554971] [] ? __alloc_skb+0x4a9/0x503 [ 819.591278] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 819.628249] [] rtmsg_ifinfo+0x65/0x8e [ 819.657883] [] register_netdevice+0xbde/0xc2b [ 819.685697] [] register_netdev+0x21/0x2e [ 819.711240] [] loopback_net_init+0x82/0x150 [ 819.747283] [] ? loopback_xmit+0x341/0x341 [ 819.785635] [] ops_init+0x364/0x3c8 [ 819.809545] [] ? __list_add+0x211/0x249 [ 819.837422] [] ? net_alloc_generic+0x64/0x64 [ 819.867405] [] register_pernet_operations+0x28a/0x3ea [ 819.896373] [] ? unregister_pernet_device+0x73/0x73 [ 819.929287] [] register_pernet_device+0x2f/0x6b [ 819.972154] [] net_dev_init+0x57c/0x61a [ 820.031132] [] ? netdev_boot_setup+0x232/0x232 [ 820.075426] [] ? netdev_boot_setup+0x232/0x232 [ 820.105141] [] do_one_initcall+0x16d/0x258 [ 820.126382] [] ? initcall_blacklisted+0x198/0x198 [ 820.169866] [] ? up_write+0x8c/0xd9 [ 820.195977] [] ? down_write_trylock+0x100/0x100 [ 820.225186] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 820.255872] [] kernel_init_freeable+0x457/0x518 [ 820.284839] [] kernel_init+0x16/0x181 [ 820.303819] [] ret_from_fork+0x1f/0x40 [ 820.326900] [] ? rest_init+0x8f/0x8f [ 820.350149] ================================================================================ [ 820.381725] ================================================================================ [ 820.418668] UBSAN: Undefined behaviour in net/core/rtnetlink.c:812:19 [ 820.444486] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 820.489076] which requires 8 byte alignment [ 820.505593] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 820.525340] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 820.568996] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 820.600675] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 820.635459] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 820.668894] Call Trace: [ 820.676973] [] dump_stack+0xd7/0x132 [ 820.702082] [] ? arch_local_irq_restore+0x1b/0x1b [ 820.726485] [] ubsan_epilogue+0x12/0x53 [ 820.749513] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 820.774584] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 820.804085] [] ? __nla_reserve+0xfb/0x109 [ 820.826630] [] ? nla_reserve+0x8a/0x9a [ 820.850000] [] rtnl_fill_stats+0x349/0x7f7 [ 820.873285] [] rtnl_fill_ifinfo+0xd70/0x251b [ 820.898007] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 820.924844] [] ? __alloc_skb+0x139/0x503 [ 820.948594] [] ? ___slab_alloc+0xb72/0xbd2 [ 820.980934] [] ? ___slab_alloc+0xb72/0xbd2 [ 821.014328] [] ? __alloc_skb+0x12a/0x503 [ 821.043246] [] ? kasan_poison_shadow+0x2f/0x31 [ 821.077994] [] ? kasan_unpoison_shadow+0x14/0x35 [ 821.114582] [] ? kasan_kmalloc+0x94/0xa3 [ 821.141530] [] ? kasan_slab_alloc+0x12/0x14 [ 821.170209] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 821.207065] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 821.234804] [] ? __alloc_skb+0x139/0x503 [ 821.259461] [] ? kasan_poison_shadow+0x2f/0x31 [ 821.288788] [] ? kasan_unpoison_shadow+0x14/0x35 [ 821.312297] [] ? __alloc_skb+0x4a9/0x503 [ 821.338205] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 821.370214] [] rtmsg_ifinfo+0x65/0x8e [ 821.390042] [] register_netdevice+0xbde/0xc2b [ 821.412005] [] register_netdev+0x21/0x2e [ 821.429936] [] loopback_net_init+0x82/0x150 [ 821.456302] [] ? loopback_xmit+0x341/0x341 [ 821.481649] [] ops_init+0x364/0x3c8 [ 821.507562] [] ? __list_add+0x211/0x249 [ 821.537356] [] ? net_alloc_generic+0x64/0x64 [ 821.568925] [] register_pernet_operations+0x28a/0x3ea [ 821.602248] [] ? unregister_pernet_device+0x73/0x73 [ 821.637260] [] register_pernet_device+0x2f/0x6b [ 821.669630] [] net_dev_init+0x57c/0x61a [ 821.704003] [] ? netdev_boot_setup+0x232/0x232 [ 821.732835] [] ? netdev_boot_setup+0x232/0x232 [ 821.766336] [] do_one_initcall+0x16d/0x258 [ 821.794629] [] ? initcall_blacklisted+0x198/0x198 [ 821.833758] [] ? up_write+0x8c/0xd9 [ 821.858526] [] ? down_write_trylock+0x100/0x100 [ 821.890991] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 821.921753] [] kernel_init_freeable+0x457/0x518 [ 821.956364] [] kernel_init+0x16/0x181 [ 821.980862] [] ret_from_fork+0x1f/0x40 [ 821.999767] [] ? rest_init+0x8f/0x8f [ 822.021675] ================================================================================ [ 822.062326] ================================================================================ [ 822.104800] UBSAN: Undefined behaviour in net/core/rtnetlink.c:814:25 [ 822.136716] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 822.177862] which requires 8 byte alignment [ 822.195881] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 822.220766] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 822.260562] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 822.292237] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 822.319430] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 822.353724] Call Trace: [ 822.361117] [] dump_stack+0xd7/0x132 [ 822.383761] [] ? arch_local_irq_restore+0x1b/0x1b [ 822.420940] [] ubsan_epilogue+0x12/0x53 [ 822.451564] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 822.479235] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 822.508566] [] ? __nla_reserve+0xfb/0x109 [ 822.529868] [] ? nla_reserve+0x8a/0x9a [ 822.553471] [] rtnl_fill_stats+0x396/0x7f7 [ 822.577582] [] rtnl_fill_ifinfo+0xd70/0x251b [ 822.599930] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 822.624771] [] ? __alloc_skb+0x139/0x503 [ 822.646907] [] ? ___slab_alloc+0xb72/0xbd2 [ 822.672162] [] ? ___slab_alloc+0xb72/0xbd2 [ 822.695483] [] ? __alloc_skb+0x12a/0x503 [ 822.721313] [] ? kasan_poison_shadow+0x2f/0x31 [ 822.759402] [] ? kasan_unpoison_shadow+0x14/0x35 [ 822.827015] [] ? kasan_kmalloc+0x94/0xa3 [ 822.879195] [] ? kasan_slab_alloc+0x12/0x14 [ 822.928076] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 822.958284] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 822.993601] [] ? __alloc_skb+0x139/0x503 [ 823.024244] [] ? kasan_poison_shadow+0x2f/0x31 [ 823.054788] [] ? kasan_unpoison_shadow+0x14/0x35 [ 823.083195] [] ? __alloc_skb+0x4a9/0x503 [ 823.112273] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 823.139085] [] rtmsg_ifinfo+0x65/0x8e [ 823.161556] [] register_netdevice+0xbde/0xc2b [ 823.188449] [] register_netdev+0x21/0x2e [ 823.211470] [] loopback_net_init+0x82/0x150 [ 823.235875] [] ? loopback_xmit+0x341/0x341 [ 823.261203] [] ops_init+0x364/0x3c8 [ 823.296634] [] ? __list_add+0x211/0x249 [ 823.344279] [] ? net_alloc_generic+0x64/0x64 [ 823.395411] [] register_pernet_operations+0x28a/0x3ea [ 823.448715] [] ? unregister_pernet_device+0x73/0x73 [ 823.491004] [] register_pernet_device+0x2f/0x6b [ 823.531146] [] net_dev_init+0x57c/0x61a [ 823.563046] [] ? netdev_boot_setup+0x232/0x232 [ 823.590146] [] ? netdev_boot_setup+0x232/0x232 [ 823.631838] [] do_one_initcall+0x16d/0x258 [ 823.668418] [] ? initcall_blacklisted+0x198/0x198 [ 823.702603] [] ? up_write+0x8c/0xd9 [ 823.720989] [] ? down_write_trylock+0x100/0x100 [ 823.755150] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 823.787512] [] kernel_init_freeable+0x457/0x518 [ 823.817314] [] kernel_init+0x16/0x181 [ 823.845304] [] ret_from_fork+0x1f/0x40 [ 823.870586] [] ? rest_init+0x8f/0x8f [ 823.893871] ================================================================================ [ 823.930051] ================================================================================ [ 823.961349] UBSAN: Undefined behaviour in net/core/rtnetlink.c:815:23 [ 823.990466] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 824.030461] which requires 8 byte alignment [ 824.046277] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 824.071311] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 824.110978] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 824.140473] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 824.165981] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 824.195275] Call Trace: [ 824.205459] [] dump_stack+0xd7/0x132 [ 824.226553] [] ? arch_local_irq_restore+0x1b/0x1b [ 824.249932] [] ubsan_epilogue+0x12/0x53 [ 824.265730] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 824.289801] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 824.322435] [] ? __nla_reserve+0xfb/0x109 [ 824.342807] [] ? nla_reserve+0x8a/0x9a [ 824.363422] [] rtnl_fill_stats+0x3e3/0x7f7 [ 824.387213] [] rtnl_fill_ifinfo+0xd70/0x251b [ 824.411941] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 824.431909] [] ? __alloc_skb+0x139/0x503 [ 824.457366] [] ? ___slab_alloc+0xb72/0xbd2 [ 824.480710] [] ? ___slab_alloc+0xb72/0xbd2 [ 824.506555] [] ? __alloc_skb+0x12a/0x503 [ 824.527905] [] ? kasan_poison_shadow+0x2f/0x31 [ 824.555536] [] ? kasan_unpoison_shadow+0x14/0x35 [ 824.589374] [] ? kasan_kmalloc+0x94/0xa3 [ 824.614574] [] ? kasan_slab_alloc+0x12/0x14 [ 824.640013] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 824.678998] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 824.720111] [] ? __alloc_skb+0x139/0x503 [ 824.758544] [] ? kasan_poison_shadow+0x2f/0x31 [ 824.795971] [] ? kasan_unpoison_shadow+0x14/0x35 [ 824.824601] [] ? __alloc_skb+0x4a9/0x503 [ 824.847598] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 824.873556] [] rtmsg_ifinfo+0x65/0x8e [ 824.897928] [] register_netdevice+0xbde/0xc2b [ 824.923024] [] register_netdev+0x21/0x2e [ 824.949356] [] loopback_net_init+0x82/0x150 [ 824.979720] [] ? loopback_xmit+0x341/0x341 [ 825.013139] [] ops_init+0x364/0x3c8 [ 825.039234] [] ? __list_add+0x211/0x249 [ 825.064983] [] ? net_alloc_generic+0x64/0x64 [ 825.092441] [] register_pernet_operations+0x28a/0x3ea [ 825.121758] [] ? unregister_pernet_device+0x73/0x73 [ 825.161902] [] register_pernet_device+0x2f/0x6b [ 825.189815] [] net_dev_init+0x57c/0x61a [ 825.212829] [] ? netdev_boot_setup+0x232/0x232 [ 825.240179] [] ? netdev_boot_setup+0x232/0x232 [ 825.266575] [] do_one_initcall+0x16d/0x258 [ 825.297400] [] ? initcall_blacklisted+0x198/0x198 [ 825.328615] [] ? up_write+0x8c/0xd9 [ 825.357218] [] ? down_write_trylock+0x100/0x100 [ 825.394198] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 825.431345] [] kernel_init_freeable+0x457/0x518 [ 825.458341] [] kernel_init+0x16/0x181 [ 825.486893] [] ret_from_fork+0x1f/0x40 [ 825.510787] [] ? rest_init+0x8f/0x8f [ 825.531121] ================================================================================ [ 825.568653] ================================================================================ [ 825.605344] UBSAN: Undefined behaviour in net/core/rtnetlink.c:816:22 [ 825.632620] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 825.680302] which requires 8 byte alignment [ 825.709569] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 825.739849] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 825.795253] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 825.849362] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 825.897303] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 825.937707] Call Trace: [ 825.949760] [] dump_stack+0xd7/0x132 [ 825.975287] [] ? arch_local_irq_restore+0x1b/0x1b [ 826.006093] [] ubsan_epilogue+0x12/0x53 [ 826.032313] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 826.063610] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 826.104301] [] ? __nla_reserve+0xfb/0x109 [ 826.130283] [] ? nla_reserve+0x8a/0x9a [ 826.156684] [] rtnl_fill_stats+0x430/0x7f7 [ 826.185572] [] rtnl_fill_ifinfo+0xd70/0x251b [ 826.220702] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 826.249993] [] ? __alloc_skb+0x139/0x503 [ 826.276660] [] ? ___slab_alloc+0xb72/0xbd2 [ 826.304829] [] ? ___slab_alloc+0xb72/0xbd2 [ 826.401110] [] ? __alloc_skb+0x12a/0x503 [ 826.456214] [] ? kasan_poison_shadow+0x2f/0x31 [ 826.485283] [] ? kasan_unpoison_shadow+0x14/0x35 [ 826.512480] [] ? kasan_kmalloc+0x94/0xa3 [ 826.539198] [] ? kasan_slab_alloc+0x12/0x14 [ 826.565880] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 826.593994] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 826.630438] [] ? __alloc_skb+0x139/0x503 [ 826.656970] [] ? kasan_poison_shadow+0x2f/0x31 [ 826.706158] [] ? kasan_unpoison_shadow+0x14/0x35 [ 826.775797] [] ? __alloc_skb+0x4a9/0x503 [ 826.805203] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 826.848287] [] rtmsg_ifinfo+0x65/0x8e [ 826.892233] [] register_netdevice+0xbde/0xc2b [ 826.940551] [] register_netdev+0x21/0x2e [ 826.980598] [] loopback_net_init+0x82/0x150 [ 827.015623] [] ? loopback_xmit+0x341/0x341 [ 827.049197] [] ops_init+0x364/0x3c8 [ 827.080203] [] ? __list_add+0x211/0x249 [ 827.107294] [] ? net_alloc_generic+0x64/0x64 [ 827.130887] [] register_pernet_operations+0x28a/0x3ea [ 827.164478] [] ? unregister_pernet_device+0x73/0x73 [ 827.197141] [] register_pernet_device+0x2f/0x6b [ 827.229719] [] net_dev_init+0x57c/0x61a [ 827.264498] [] ? netdev_boot_setup+0x232/0x232 [ 827.300599] [] ? netdev_boot_setup+0x232/0x232 [ 827.337597] [] do_one_initcall+0x16d/0x258 [ 827.366770] [] ? initcall_blacklisted+0x198/0x198 [ 827.395950] [] ? up_write+0x8c/0xd9 [ 827.417052] [] ? down_write_trylock+0x100/0x100 [ 827.490993] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 827.578484] [] kernel_init_freeable+0x457/0x518 [ 827.606039] [] kernel_init+0x16/0x181 [ 827.625915] [] ret_from_fork+0x1f/0x40 [ 827.646618] [] ? rest_init+0x8f/0x8f [ 827.669286] ================================================================================ [ 827.711529] ================================================================================ [ 827.789467] UBSAN: Undefined behaviour in net/core/rtnetlink.c:817:24 [ 827.837334] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 827.900195] which requires 8 byte alignment [ 827.926972] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 827.965122] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 828.032068] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 828.072383] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 828.125767] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 828.166013] Call Trace: [ 828.180461] [] dump_stack+0xd7/0x132 [ 828.210319] [] ? arch_local_irq_restore+0x1b/0x1b [ 828.243344] [] ubsan_epilogue+0x12/0x53 [ 828.280813] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 828.318855] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 828.360852] [] ? __nla_reserve+0xfb/0x109 [ 828.383587] [] ? nla_reserve+0x8a/0x9a [ 828.410192] [] rtnl_fill_stats+0x47d/0x7f7 [ 828.439379] [] rtnl_fill_ifinfo+0xd70/0x251b [ 828.464097] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 828.498890] [] ? __alloc_skb+0x139/0x503 [ 828.524262] [] ? ___slab_alloc+0xb72/0xbd2 [ 828.547637] [] ? ___slab_alloc+0xb72/0xbd2 [ 828.578814] [] ? __alloc_skb+0x12a/0x503 [ 828.604607] [] ? kasan_poison_shadow+0x2f/0x31 [ 828.630549] [] ? kasan_unpoison_shadow+0x14/0x35 [ 828.666004] [] ? kasan_kmalloc+0x94/0xa3 [ 828.711683] [] ? kasan_slab_alloc+0x12/0x14 [ 828.813186] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 828.847961] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 828.885708] [] ? __alloc_skb+0x139/0x503 [ 828.934578] [] ? kasan_poison_shadow+0x2f/0x31 [ 828.962644] [] ? kasan_unpoison_shadow+0x14/0x35 [ 828.990629] [] ? __alloc_skb+0x4a9/0x503 [ 829.013007] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 829.038830] [] rtmsg_ifinfo+0x65/0x8e [ 829.057810] [] register_netdevice+0xbde/0xc2b [ 829.080097] [] register_netdev+0x21/0x2e [ 829.107305] [] loopback_net_init+0x82/0x150 [ 829.130098] [] ? loopback_xmit+0x341/0x341 [ 829.150258] [] ops_init+0x364/0x3c8 [ 829.173225] [] ? __list_add+0x211/0x249 [ 829.194293] [] ? net_alloc_generic+0x64/0x64 [ 829.215996] [] register_pernet_operations+0x28a/0x3ea [ 829.244719] [] ? unregister_pernet_device+0x73/0x73 [ 829.277524] [] register_pernet_device+0x2f/0x6b [ 829.304469] [] net_dev_init+0x57c/0x61a [ 829.323439] [] ? netdev_boot_setup+0x232/0x232 [ 829.347815] [] ? netdev_boot_setup+0x232/0x232 [ 829.391273] [] do_one_initcall+0x16d/0x258 [ 829.416080] [] ? initcall_blacklisted+0x198/0x198 [ 829.446396] [] ? up_write+0x8c/0xd9 [ 829.479641] [] ? down_write_trylock+0x100/0x100 [ 829.517299] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 829.591207] [] kernel_init_freeable+0x457/0x518 [ 829.641585] [] kernel_init+0x16/0x181 [ 829.681037] [] ret_from_fork+0x1f/0x40 [ 829.703171] [] ? rest_init+0x8f/0x8f [ 829.728834] ================================================================================ [ 829.775212] ================================================================================ [ 829.812576] UBSAN: Undefined behaviour in net/core/rtnetlink.c:818:23 [ 829.840099] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 829.888675] which requires 8 byte alignment [ 829.909422] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 829.933002] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 829.978848] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 830.015564] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 830.057272] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 830.113282] Call Trace: [ 830.181004] [] dump_stack+0xd7/0x132 [ 830.248563] [] ? arch_local_irq_restore+0x1b/0x1b [ 830.281630] [] ubsan_epilogue+0x12/0x53 [ 830.327187] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 830.361599] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 830.443170] [] ? __nla_reserve+0xfb/0x109 [ 830.511088] [] ? nla_reserve+0x8a/0x9a [ 830.553243] [] rtnl_fill_stats+0x4ca/0x7f7 [ 830.591597] [] rtnl_fill_ifinfo+0xd70/0x251b [ 830.694348] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 830.714352] [] ? __alloc_skb+0x139/0x503 [ 830.738387] [] ? ___slab_alloc+0xb72/0xbd2 [ 830.763880] [] ? ___slab_alloc+0xb72/0xbd2 [ 830.792268] [] ? __alloc_skb+0x12a/0x503 [ 830.816441] [] ? kasan_poison_shadow+0x2f/0x31 [ 830.856792] [] ? kasan_unpoison_shadow+0x14/0x35 [ 830.889454] [] ? kasan_kmalloc+0x94/0xa3 [ 830.913489] [] ? kasan_slab_alloc+0x12/0x14 [ 830.940886] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 830.966084] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 830.993046] [] ? __alloc_skb+0x139/0x503 [ 831.016033] [] ? kasan_poison_shadow+0x2f/0x31 [ 831.043126] [] ? kasan_unpoison_shadow+0x14/0x35 [ 831.070651] [] ? __alloc_skb+0x4a9/0x503 [ 831.088406] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 831.111500] [] rtmsg_ifinfo+0x65/0x8e [ 831.132047] [] register_netdevice+0xbde/0xc2b [ 831.151809] [] register_netdev+0x21/0x2e [ 831.173352] [] loopback_net_init+0x82/0x150 [ 831.196977] [] ? loopback_xmit+0x341/0x341 [ 831.245041] [] ops_init+0x364/0x3c8 [ 831.287830] [] ? __list_add+0x211/0x249 [ 831.309971] [] ? net_alloc_generic+0x64/0x64 [ 831.334069] [] register_pernet_operations+0x28a/0x3ea [ 831.365376] [] ? unregister_pernet_device+0x73/0x73 [ 831.391896] [] register_pernet_device+0x2f/0x6b [ 831.415130] [] net_dev_init+0x57c/0x61a [ 831.433079] [] ? netdev_boot_setup+0x232/0x232 [ 831.458904] [] ? netdev_boot_setup+0x232/0x232 [ 831.482915] [] do_one_initcall+0x16d/0x258 [ 831.502158] [] ? initcall_blacklisted+0x198/0x198 [ 831.530742] [] ? up_write+0x8c/0xd9 [ 831.560109] [] ? down_write_trylock+0x100/0x100 [ 831.589847] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 831.619055] [] kernel_init_freeable+0x457/0x518 [ 831.645343] [] kernel_init+0x16/0x181 [ 831.664235] [] ret_from_fork+0x1f/0x40 [ 831.686548] [] ? rest_init+0x8f/0x8f [ 831.707099] ================================================================================ [ 831.740323] ================================================================================ [ 831.776170] UBSAN: Undefined behaviour in net/core/rtnetlink.c:819:25 [ 831.801843] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 831.843085] which requires 8 byte alignment [ 831.860561] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 831.883763] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 831.929597] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 831.972264] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 831.997185] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 832.027274] Call Trace: [ 832.033320] [] dump_stack+0xd7/0x132 [ 832.055410] [] ? arch_local_irq_restore+0x1b/0x1b [ 832.082992] [] ubsan_epilogue+0x12/0x53 [ 832.107194] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 832.133665] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 832.162572] [] ? __nla_reserve+0xfb/0x109 [ 832.188915] [] ? nla_reserve+0x8a/0x9a [ 832.210917] [] rtnl_fill_stats+0x517/0x7f7 [ 832.232192] [] rtnl_fill_ifinfo+0xd70/0x251b [ 832.259172] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 832.282241] [] ? __alloc_skb+0x139/0x503 [ 832.306924] [] ? ___slab_alloc+0xb72/0xbd2 [ 832.328728] [] ? ___slab_alloc+0xb72/0xbd2 [ 832.353283] [] ? __alloc_skb+0x12a/0x503 [ 832.380867] [] ? kasan_poison_shadow+0x2f/0x31 [ 832.408290] [] ? kasan_unpoison_shadow+0x14/0x35 [ 832.433413] [] ? kasan_kmalloc+0x94/0xa3 [ 832.468288] [] ? kasan_slab_alloc+0x12/0x14 [ 832.499644] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 832.528901] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 832.560680] [] ? __alloc_skb+0x139/0x503 [ 832.598182] [] ? kasan_poison_shadow+0x2f/0x31 [ 832.636260] [] ? kasan_unpoison_shadow+0x14/0x35 [ 832.666151] [] ? __alloc_skb+0x4a9/0x503 [ 832.691356] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 832.714720] [] rtmsg_ifinfo+0x65/0x8e [ 832.733856] [] register_netdevice+0xbde/0xc2b [ 832.762532] [] register_netdev+0x21/0x2e [ 832.787969] [] loopback_net_init+0x82/0x150 [ 832.811469] [] ? loopback_xmit+0x341/0x341 [ 833.008887] [] ops_init+0x364/0x3c8 [ 833.094576] [] ? __list_add+0x211/0x249 [ 833.132901] [] ? net_alloc_generic+0x64/0x64 [ 833.178509] [] register_pernet_operations+0x28a/0x3ea [ 833.223306] [] ? unregister_pernet_device+0x73/0x73 [ 833.262864] [] register_pernet_device+0x2f/0x6b [ 833.303978] [] net_dev_init+0x57c/0x61a [ 833.342247] [] ? netdev_boot_setup+0x232/0x232 [ 833.383025] [] ? netdev_boot_setup+0x232/0x232 [ 833.424129] [] do_one_initcall+0x16d/0x258 [ 833.461048] [] ? initcall_blacklisted+0x198/0x198 [ 833.496307] [] ? up_write+0x8c/0xd9 [ 833.543825] [] ? down_write_trylock+0x100/0x100 [ 833.594214] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 833.641731] [] kernel_init_freeable+0x457/0x518 [ 833.674078] [] kernel_init+0x16/0x181 [ 833.711941] [] ret_from_fork+0x1f/0x40 [ 833.754290] [] ? rest_init+0x8f/0x8f [ 833.833513] ================================================================================ [ 833.999711] ================================================================================ [ 834.048995] UBSAN: Undefined behaviour in net/core/rtnetlink.c:821:26 [ 834.091385] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 834.153315] which requires 8 byte alignment [ 834.181704] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 834.282398] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 834.462010] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 834.508711] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 834.552728] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 834.601809] Call Trace: [ 834.617310] [] dump_stack+0xd7/0x132 [ 834.647304] [] ? arch_local_irq_restore+0x1b/0x1b [ 834.681054] [] ubsan_epilogue+0x12/0x53 [ 834.711318] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 834.749597] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 834.790198] [] ? __nla_reserve+0xfb/0x109 [ 834.826593] [] ? nla_reserve+0x8a/0x9a [ 834.860484] [] rtnl_fill_stats+0x564/0x7f7 [ 834.894614] [] rtnl_fill_ifinfo+0xd70/0x251b [ 834.934029] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 834.982865] [] ? __alloc_skb+0x139/0x503 [ 835.022437] [] ? ___slab_alloc+0xb72/0xbd2 [ 835.054791] [] ? ___slab_alloc+0xb72/0xbd2 [ 835.098875] [] ? __alloc_skb+0x12a/0x503 [ 835.132618] [] ? kasan_poison_shadow+0x2f/0x31 [ 835.181115] [] ? kasan_unpoison_shadow+0x14/0x35 [ 835.229820] [] ? kasan_kmalloc+0x94/0xa3 [ 835.262680] [] ? kasan_slab_alloc+0x12/0x14 [ 835.298892] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 835.336920] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 835.383929] [] ? __alloc_skb+0x139/0x503 [ 835.416258] [] ? kasan_poison_shadow+0x2f/0x31 [ 835.452738] [] ? kasan_unpoison_shadow+0x14/0x35 [ 835.493404] [] ? __alloc_skb+0x4a9/0x503 [ 835.525243] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 835.558071] [] rtmsg_ifinfo+0x65/0x8e [ 835.593472] [] register_netdevice+0xbde/0xc2b [ 835.628344] [] register_netdev+0x21/0x2e [ 835.654026] [] loopback_net_init+0x82/0x150 [ 835.685344] [] ? loopback_xmit+0x341/0x341 [ 835.722269] [] ops_init+0x364/0x3c8 [ 835.750328] [] ? __list_add+0x211/0x249 [ 835.784645] [] ? net_alloc_generic+0x64/0x64 [ 835.822249] [] register_pernet_operations+0x28a/0x3ea [ 835.864644] [] ? unregister_pernet_device+0x73/0x73 [ 835.920401] [] register_pernet_device+0x2f/0x6b [ 835.965433] [] net_dev_init+0x57c/0x61a [ 835.999923] [] ? netdev_boot_setup+0x232/0x232 [ 836.034220] [] ? netdev_boot_setup+0x232/0x232 [ 836.075014] [] do_one_initcall+0x16d/0x258 [ 836.118759] [] ? initcall_blacklisted+0x198/0x198 [ 836.159890] [] ? up_write+0x8c/0xd9 [ 836.197989] [] ? down_write_trylock+0x100/0x100 [ 836.235909] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 836.281350] [] kernel_init_freeable+0x457/0x518 [ 836.327593] [] kernel_init+0x16/0x181 [ 836.365456] [] ret_from_fork+0x1f/0x40 [ 836.400819] [] ? rest_init+0x8f/0x8f [ 836.430006] ================================================================================ [ 836.479230] ================================================================================ [ 836.531718] UBSAN: Undefined behaviour in net/core/rtnetlink.c:822:26 [ 836.565359] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 836.630756] which requires 8 byte alignment [ 836.654531] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 836.695903] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 836.754414] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 836.804719] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 836.863211] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 836.910871] Call Trace: [ 836.927061] [] dump_stack+0xd7/0x132 [ 836.959292] [] ? arch_local_irq_restore+0x1b/0x1b [ 836.996265] [] ubsan_epilogue+0x12/0x53 [ 837.027991] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 837.071435] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 837.115550] [] ? __nla_reserve+0xfb/0x109 [ 837.152487] [] ? nla_reserve+0x8a/0x9a [ 837.185002] [] rtnl_fill_stats+0x5b7/0x7f7 [ 837.224677] [] rtnl_fill_ifinfo+0xd70/0x251b [ 837.257164] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 837.298913] [] ? __alloc_skb+0x139/0x503 [ 837.328881] [] ? ___slab_alloc+0xb72/0xbd2 [ 837.368533] [] ? ___slab_alloc+0xb72/0xbd2 [ 837.402599] [] ? __alloc_skb+0x12a/0x503 [ 837.439194] [] ? kasan_poison_shadow+0x2f/0x31 [ 837.478986] [] ? kasan_unpoison_shadow+0x14/0x35 [ 837.521109] [] ? kasan_kmalloc+0x94/0xa3 [ 837.555695] [] ? kasan_slab_alloc+0x12/0x14 [ 837.590820] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 837.631109] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 837.670216] [] ? __alloc_skb+0x139/0x503 [ 837.703297] [] ? kasan_poison_shadow+0x2f/0x31 [ 837.747822] [] ? kasan_unpoison_shadow+0x14/0x35 [ 837.787660] [] ? __alloc_skb+0x4a9/0x503 [ 837.826327] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 837.862638] [] rtmsg_ifinfo+0x65/0x8e [ 837.891674] [] register_netdevice+0xbde/0xc2b [ 837.930117] [] register_netdev+0x21/0x2e [ 837.963462] [] loopback_net_init+0x82/0x150 [ 837.998660] [] ? loopback_xmit+0x341/0x341 [ 838.031514] [] ops_init+0x364/0x3c8 [ 838.067623] [] ? __list_add+0x211/0x249 [ 838.098562] [] ? net_alloc_generic+0x64/0x64 [ 838.132280] [] register_pernet_operations+0x28a/0x3ea [ 838.175095] [] ? unregister_pernet_device+0x73/0x73 [ 838.211556] [] register_pernet_device+0x2f/0x6b [ 838.254566] [] net_dev_init+0x57c/0x61a [ 838.288385] [] ? netdev_boot_setup+0x232/0x232 [ 838.322977] [] ? netdev_boot_setup+0x232/0x232 [ 838.362078] [] do_one_initcall+0x16d/0x258 [ 838.402114] [] ? initcall_blacklisted+0x198/0x198 [ 838.435683] [] ? up_write+0x8c/0xd9 [ 838.467021] [] ? down_write_trylock+0x100/0x100 [ 838.506949] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 838.549944] [] kernel_init_freeable+0x457/0x518 [ 838.586818] [] kernel_init+0x16/0x181 [ 838.623591] [] ret_from_fork+0x1f/0x40 [ 838.654094] [] ? rest_init+0x8f/0x8f [ 838.686281] ================================================================================ [ 838.743059] ================================================================================ [ 838.787611] UBSAN: Undefined behaviour in net/core/rtnetlink.c:823:23 [ 838.831386] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 838.895668] which requires 8 byte alignment [ 838.923256] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 838.957852] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 839.025689] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 839.071778] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 839.210762] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 839.256327] Call Trace: [ 839.274283] [] dump_stack+0xd7/0x132 [ 839.299408] [] ? arch_local_irq_restore+0x1b/0x1b [ 839.346513] [] ubsan_epilogue+0x12/0x53 [ 839.384170] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 839.436379] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 839.481688] [] ? __nla_reserve+0xfb/0x109 [ 839.529819] [] ? nla_reserve+0x8a/0x9a [ 839.561611] [] rtnl_fill_stats+0x60a/0x7f7 [ 839.600649] [] rtnl_fill_ifinfo+0xd70/0x251b [ 839.633444] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 839.668694] [] ? __alloc_skb+0x139/0x503 [ 839.704839] [] ? ___slab_alloc+0xb72/0xbd2 [ 839.740786] [] ? ___slab_alloc+0xb72/0xbd2 [ 839.778215] [] ? __alloc_skb+0x12a/0x503 [ 839.813675] [] ? kasan_poison_shadow+0x2f/0x31 [ 839.858870] [] ? kasan_unpoison_shadow+0x14/0x35 [ 839.897238] [] ? kasan_kmalloc+0x94/0xa3 [ 839.929030] [] ? kasan_slab_alloc+0x12/0x14 [ 839.962591] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 840.010585] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 840.054733] [] ? __alloc_skb+0x139/0x503 [ 840.086793] [] ? kasan_poison_shadow+0x2f/0x31 [ 840.132103] [] ? kasan_unpoison_shadow+0x14/0x35 [ 840.177284] [] ? __alloc_skb+0x4a9/0x503 [ 840.202935] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 840.246552] [] rtmsg_ifinfo+0x65/0x8e [ 840.281100] [] register_netdevice+0xbde/0xc2b [ 840.317539] [] register_netdev+0x21/0x2e [ 840.354020] [] loopback_net_init+0x82/0x150 [ 840.395255] [] ? loopback_xmit+0x341/0x341 [ 840.431198] [] ops_init+0x364/0x3c8 [ 840.469276] [] ? __list_add+0x211/0x249 [ 840.505913] [] ? net_alloc_generic+0x64/0x64 [ 840.545232] [] register_pernet_operations+0x28a/0x3ea [ 840.584606] [] ? unregister_pernet_device+0x73/0x73 [ 840.637339] [] register_pernet_device+0x2f/0x6b [ 840.677100] [] net_dev_init+0x57c/0x61a [ 840.715442] [] ? netdev_boot_setup+0x232/0x232 [ 840.747583] [] ? netdev_boot_setup+0x232/0x232 [ 840.782965] [] do_one_initcall+0x16d/0x258 [ 840.822232] [] ? initcall_blacklisted+0x198/0x198 [ 840.870050] [] ? up_write+0x8c/0xd9 [ 840.899591] [] ? down_write_trylock+0x100/0x100 [ 840.934799] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 840.983682] [] kernel_init_freeable+0x457/0x518 [ 841.028784] [] kernel_init+0x16/0x181 [ 841.057020] [] ret_from_fork+0x1f/0x40 [ 841.089133] [] ? rest_init+0x8f/0x8f [ 841.128917] ================================================================================ [ 841.178620] ================================================================================ [ 841.252464] UBSAN: Undefined behaviour in net/core/rtnetlink.c:824:28 [ 841.283576] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 841.353669] which requires 8 byte alignment [ 841.381148] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 841.418426] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 841.480620] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 841.531667] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 841.586685] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 841.634415] Call Trace: [ 841.650841] [] dump_stack+0xd7/0x132 [ 841.679802] [] ? arch_local_irq_restore+0x1b/0x1b [ 841.722744] [] ubsan_epilogue+0x12/0x53 [ 841.755850] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 841.801581] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 841.851529] [] ? __nla_reserve+0xfb/0x109 [ 841.884254] [] ? nla_reserve+0x8a/0x9a [ 841.929424] [] rtnl_fill_stats+0x65d/0x7f7 [ 841.974020] [] rtnl_fill_ifinfo+0xd70/0x251b [ 842.011616] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 842.044743] [] ? __alloc_skb+0x139/0x503 [ 842.082815] [] ? ___slab_alloc+0xb72/0xbd2 [ 842.119752] [] ? ___slab_alloc+0xb72/0xbd2 [ 842.157101] [] ? __alloc_skb+0x12a/0x503 [ 842.194095] [] ? kasan_poison_shadow+0x2f/0x31 [ 842.231513] [] ? kasan_unpoison_shadow+0x14/0x35 [ 842.278489] [] ? kasan_kmalloc+0x94/0xa3 [ 842.309095] [] ? kasan_slab_alloc+0x12/0x14 [ 842.364703] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 842.400289] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 842.450401] [] ? __alloc_skb+0x139/0x503 [ 842.479984] [] ? kasan_poison_shadow+0x2f/0x31 [ 842.514489] [] ? kasan_unpoison_shadow+0x14/0x35 [ 842.558183] [] ? __alloc_skb+0x4a9/0x503 [ 842.599128] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 842.632625] [] rtmsg_ifinfo+0x65/0x8e [ 842.668234] [] register_netdevice+0xbde/0xc2b [ 842.703973] [] register_netdev+0x21/0x2e [ 842.740881] [] loopback_net_init+0x82/0x150 [ 842.777810] [] ? loopback_xmit+0x341/0x341 [ 842.804655] [] ops_init+0x364/0x3c8 [ 842.843261] [] ? __list_add+0x211/0x249 [ 842.885222] [] ? net_alloc_generic+0x64/0x64 [ 842.920617] [] register_pernet_operations+0x28a/0x3ea [ 842.962588] [] ? unregister_pernet_device+0x73/0x73 [ 843.006600] [] register_pernet_device+0x2f/0x6b [ 843.049889] [] net_dev_init+0x57c/0x61a [ 843.132478] [] ? netdev_boot_setup+0x232/0x232 [ 843.198619] [] ? netdev_boot_setup+0x232/0x232 [ 843.233398] [] do_one_initcall+0x16d/0x258 [ 843.272837] [] ? initcall_blacklisted+0x198/0x198 [ 843.311031] [] ? up_write+0x8c/0xd9 [ 843.338895] [] ? down_write_trylock+0x100/0x100 [ 843.378846] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 843.421991] [] kernel_init_freeable+0x457/0x518 [ 843.459464] [] kernel_init+0x16/0x181 [ 843.499165] [] ret_from_fork+0x1f/0x40 [ 843.530910] [] ? rest_init+0x8f/0x8f [ 843.567414] ================================================================================ [ 843.630249] ================================================================================ [ 843.686018] UBSAN: Undefined behaviour in net/core/rtnetlink.c:825:25 [ 843.728561] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 843.798903] which requires 8 byte alignment [ 843.831156] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 843.863750] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 843.930472] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 843.974470] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 844.022042] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 844.073736] Call Trace: [ 844.087547] [] dump_stack+0xd7/0x132 [ 844.116072] [] ? arch_local_irq_restore+0x1b/0x1b [ 844.156830] [] ubsan_epilogue+0x12/0x53 [ 844.192494] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 844.236843] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 844.281170] [] ? __nla_reserve+0xfb/0x109 [ 844.314132] [] ? nla_reserve+0x8a/0x9a [ 844.352629] [] rtnl_fill_stats+0x6b0/0x7f7 [ 844.393270] [] rtnl_fill_ifinfo+0xd70/0x251b [ 844.434233] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 844.470924] [] ? __alloc_skb+0x139/0x503 [ 844.506908] [] ? ___slab_alloc+0xb72/0xbd2 [ 844.542605] [] ? ___slab_alloc+0xb72/0xbd2 [ 844.601695] [] ? __alloc_skb+0x12a/0x503 [ 844.649214] [] ? kasan_poison_shadow+0x2f/0x31 [ 844.755154] [] ? kasan_unpoison_shadow+0x14/0x35 [ 844.838353] [] ? kasan_kmalloc+0x94/0xa3 [ 844.933554] [] ? kasan_slab_alloc+0x12/0x14 [ 844.974737] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 845.010283] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 845.043865] [] ? __alloc_skb+0x139/0x503 [ 845.082198] [] ? kasan_poison_shadow+0x2f/0x31 [ 845.120972] [] ? kasan_unpoison_shadow+0x14/0x35 [ 845.158254] [] ? __alloc_skb+0x4a9/0x503 [ 845.194256] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 845.229746] [] rtmsg_ifinfo+0x65/0x8e [ 845.256915] [] register_netdevice+0xbde/0xc2b [ 845.298700] [] register_netdev+0x21/0x2e [ 845.329472] [] loopback_net_init+0x82/0x150 [ 845.366288] [] ? loopback_xmit+0x341/0x341 [ 845.398600] [] ops_init+0x364/0x3c8 [ 845.433117] [] ? __list_add+0x211/0x249 [ 845.463099] [] ? net_alloc_generic+0x64/0x64 [ 845.499481] [] register_pernet_operations+0x28a/0x3ea [ 845.537377] [] ? unregister_pernet_device+0x73/0x73 [ 845.601339] [] register_pernet_device+0x2f/0x6b [ 845.639392] [] net_dev_init+0x57c/0x61a [ 845.674786] [] ? netdev_boot_setup+0x232/0x232 [ 845.715458] [] ? netdev_boot_setup+0x232/0x232 [ 845.752936] [] do_one_initcall+0x16d/0x258 [ 845.796905] [] ? initcall_blacklisted+0x198/0x198 [ 845.836408] [] ? up_write+0x8c/0xd9 [ 845.858074] [] ? down_write_trylock+0x100/0x100 [ 845.900381] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 845.937597] [] kernel_init_freeable+0x457/0x518 [ 845.976579] [] kernel_init+0x16/0x181 [ 846.009280] [] ret_from_fork+0x1f/0x40 [ 846.052006] [] ? rest_init+0x8f/0x8f [ 846.105139] ================================================================================ [ 846.284644] ================================================================================ [ 846.337338] UBSAN: Undefined behaviour in net/core/rtnetlink.c:827:22 [ 846.380093] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 846.433822] which requires 8 byte alignment [ 846.454956] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 846.489689] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 846.548091] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 846.599061] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 846.639859] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 846.687692] Call Trace: [ 846.701380] [] dump_stack+0xd7/0x132 [ 846.739976] [] ? arch_local_irq_restore+0x1b/0x1b [ 846.774006] [] ubsan_epilogue+0x12/0x53 [ 846.804109] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 846.850558] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 846.897361] [] ? __nla_reserve+0xfb/0x109 [ 846.923572] [] ? nla_reserve+0x8a/0x9a [ 846.956067] [] rtnl_fill_stats+0x703/0x7f7 [ 846.988562] [] rtnl_fill_ifinfo+0xd70/0x251b [ 847.027124] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 847.062780] [] ? __alloc_skb+0x139/0x503 [ 847.094506] [] ? ___slab_alloc+0xb72/0xbd2 [ 847.132577] [] ? ___slab_alloc+0xb72/0xbd2 [ 847.168242] [] ? __alloc_skb+0x12a/0x503 [ 847.202956] [] ? kasan_poison_shadow+0x2f/0x31 [ 847.239950] [] ? kasan_unpoison_shadow+0x14/0x35 [ 847.280172] [] ? kasan_kmalloc+0x94/0xa3 [ 847.317053] [] ? kasan_slab_alloc+0x12/0x14 [ 847.348614] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 847.387516] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 847.446492] [] ? __alloc_skb+0x139/0x503 [ 847.498148] [] ? kasan_poison_shadow+0x2f/0x31 [ 847.531779] [] ? kasan_unpoison_shadow+0x14/0x35 [ 847.582986] [] ? __alloc_skb+0x4a9/0x503 [ 847.619686] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 847.656471] [] rtmsg_ifinfo+0x65/0x8e [ 847.692662] [] register_netdevice+0xbde/0xc2b [ 847.722344] [] register_netdev+0x21/0x2e [ 847.755797] [] loopback_net_init+0x82/0x150 [ 847.799643] [] ? loopback_xmit+0x341/0x341 [ 847.830564] [] ops_init+0x364/0x3c8 [ 847.857687] [] ? __list_add+0x211/0x249 [ 847.895393] [] ? net_alloc_generic+0x64/0x64 [ 847.934601] [] register_pernet_operations+0x28a/0x3ea [ 847.975085] [] ? unregister_pernet_device+0x73/0x73 [ 848.015162] [] register_pernet_device+0x2f/0x6b [ 848.044137] [] net_dev_init+0x57c/0x61a [ 848.073779] [] ? netdev_boot_setup+0x232/0x232 [ 848.111288] [] ? netdev_boot_setup+0x232/0x232 [ 848.147534] [] do_one_initcall+0x16d/0x258 [ 848.176993] [] ? initcall_blacklisted+0x198/0x198 [ 848.207874] [] ? up_write+0x8c/0xd9 [ 848.237469] [] ? down_write_trylock+0x100/0x100 [ 848.275084] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 848.310092] [] kernel_init_freeable+0x457/0x518 [ 848.353124] [] kernel_init+0x16/0x181 [ 848.382338] [] ret_from_fork+0x1f/0x40 [ 848.417221] [] ? rest_init+0x8f/0x8f [ 848.438814] ================================================================================ [ 848.488627] ================================================================================ [ 848.540075] UBSAN: Undefined behaviour in net/core/rtnetlink.c:828:22 [ 848.585438] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 848.639711] which requires 8 byte alignment [ 848.672580] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 848.721280] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 848.790378] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 848.834169] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 848.878030] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 848.922048] Call Trace: [ 848.936785] [] dump_stack+0xd7/0x132 [ 848.971389] [] ? arch_local_irq_restore+0x1b/0x1b [ 849.005204] [] ubsan_epilogue+0x12/0x53 [ 849.037713] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 849.082295] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 849.125535] [] ? __nla_reserve+0xfb/0x109 [ 849.160455] [] ? nla_reserve+0x8a/0x9a [ 849.198120] [] rtnl_fill_stats+0x756/0x7f7 [ 849.289149] [] rtnl_fill_ifinfo+0xd70/0x251b [ 849.422254] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 849.454466] [] ? __alloc_skb+0x139/0x503 [ 849.487788] [] ? ___slab_alloc+0xb72/0xbd2 [ 849.523706] [] ? ___slab_alloc+0xb72/0xbd2 [ 849.569981] [] ? __alloc_skb+0x12a/0x503 [ 849.749879] [] ? kasan_poison_shadow+0x2f/0x31 [ 849.810362] [] ? kasan_unpoison_shadow+0x14/0x35 [ 849.851540] [] ? kasan_kmalloc+0x94/0xa3 [ 849.889487] [] ? kasan_slab_alloc+0x12/0x14 [ 849.928301] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 849.966485] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 850.008654] [] ? __alloc_skb+0x139/0x503 [ 850.045938] [] ? kasan_poison_shadow+0x2f/0x31 [ 850.085720] [] ? kasan_unpoison_shadow+0x14/0x35 [ 850.124728] [] ? __alloc_skb+0x4a9/0x503 [ 850.156847] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 850.194649] [] rtmsg_ifinfo+0x65/0x8e [ 850.235730] [] register_netdevice+0xbde/0xc2b [ 850.270374] [] register_netdev+0x21/0x2e [ 850.312829] [] loopback_net_init+0x82/0x150 [ 850.352452] [] ? loopback_xmit+0x341/0x341 [ 850.391486] [] ops_init+0x364/0x3c8 [ 850.421332] [] ? __list_add+0x211/0x249 [ 850.454493] [] ? net_alloc_generic+0x64/0x64 [ 850.489305] [] register_pernet_operations+0x28a/0x3ea [ 850.530837] [] ? unregister_pernet_device+0x73/0x73 [ 850.574815] [] register_pernet_device+0x2f/0x6b [ 850.617256] [] net_dev_init+0x57c/0x61a [ 850.649961] [] ? netdev_boot_setup+0x232/0x232 [ 850.683180] [] ? netdev_boot_setup+0x232/0x232 [ 850.721675] [] do_one_initcall+0x16d/0x258 [ 850.761109] [] ? initcall_blacklisted+0x198/0x198 [ 850.801357] [] ? up_write+0x8c/0xd9 [ 850.831102] [] ? down_write_trylock+0x100/0x100 [ 850.861466] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 850.903498] [] kernel_init_freeable+0x457/0x518 [ 850.936676] [] kernel_init+0x16/0x181 [ 850.973114] [] ret_from_fork+0x1f/0x40 [ 851.017689] [] ? rest_init+0x8f/0x8f [ 851.062016] ================================================================================ [ 851.123242] ================================================================================ [ 851.192728] UBSAN: Undefined behaviour in net/core/rtnetlink.c:830:21 [ 851.242163] member access within misaligned address ffff88005bdecba4 for type 'const struct rtnl_link_stats64' [ 851.307691] which requires 8 byte alignment [ 851.329164] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 851.370333] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 851.433054] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 851.474826] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 851.527306] ffffffff00000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 851.575588] Call Trace: [ 851.592647] [] dump_stack+0xd7/0x132 [ 851.629183] [] ? arch_local_irq_restore+0x1b/0x1b [ 851.672885] [] ubsan_epilogue+0x12/0x53 [ 851.709144] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 851.831464] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 851.908045] [] ? __nla_reserve+0xfb/0x109 [ 851.951128] [] ? nla_reserve+0x8a/0x9a [ 851.976764] [] rtnl_fill_stats+0x7a9/0x7f7 [ 852.010421] [] rtnl_fill_ifinfo+0xd70/0x251b [ 852.045079] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 852.076524] [] ? __alloc_skb+0x139/0x503 [ 852.118863] [] ? ___slab_alloc+0xb72/0xbd2 [ 852.160695] [] ? ___slab_alloc+0xb72/0xbd2 [ 852.216463] [] ? __alloc_skb+0x12a/0x503 [ 852.268469] [] ? kasan_poison_shadow+0x2f/0x31 [ 852.308440] [] ? kasan_unpoison_shadow+0x14/0x35 [ 852.352426] [] ? kasan_kmalloc+0x94/0xa3 [ 852.384711] [] ? kasan_slab_alloc+0x12/0x14 [ 852.418591] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 852.452337] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 852.495237] [] ? __alloc_skb+0x139/0x503 [ 852.529337] [] ? kasan_poison_shadow+0x2f/0x31 [ 852.574204] [] ? kasan_unpoison_shadow+0x14/0x35 [ 852.626235] [] ? __alloc_skb+0x4a9/0x503 [ 852.671795] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 852.708426] [] rtmsg_ifinfo+0x65/0x8e [ 852.751363] [] register_netdevice+0xbde/0xc2b [ 852.788876] [] register_netdev+0x21/0x2e [ 852.830216] [] loopback_net_init+0x82/0x150 [ 852.882571] [] ? loopback_xmit+0x341/0x341 [ 852.932132] [] ops_init+0x364/0x3c8 [ 852.980133] [] ? __list_add+0x211/0x249 [ 853.054707] [] ? net_alloc_generic+0x64/0x64 [ 853.134313] [] register_pernet_operations+0x28a/0x3ea [ 853.222603] [] ? unregister_pernet_device+0x73/0x73 [ 853.276118] [] register_pernet_device+0x2f/0x6b [ 853.319855] [] net_dev_init+0x57c/0x61a [ 853.511109] [] ? netdev_boot_setup+0x232/0x232 [ 853.710669] [] ? netdev_boot_setup+0x232/0x232 [ 853.775002] [] do_one_initcall+0x16d/0x258 [ 854.074774] [] ? initcall_blacklisted+0x198/0x198 [ 854.168947] [] ? up_write+0x8c/0xd9 [ 854.234137] [] ? down_write_trylock+0x100/0x100 [ 854.304828] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 854.380257] [] kernel_init_freeable+0x457/0x518 [ 854.447029] [] kernel_init+0x16/0x181 [ 854.501178] [] ret_from_fork+0x1f/0x40 [ 854.555653] [] ? rest_init+0x8f/0x8f [ 854.621752] ================================================================================ [ 854.711590] ================================================================================ [ 854.814596] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1324:14 [ 854.869696] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 854.954136] which requires 64 byte alignment [ 854.989848] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 855.053457] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 855.170480] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 855.367925] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 855.453056] 0000000000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 855.532243] Call Trace: [ 855.567418] [] dump_stack+0xd7/0x132 [ 855.618676] [] ? arch_local_irq_restore+0x1b/0x1b [ 855.685940] [] ubsan_epilogue+0x12/0x53 [ 855.737353] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 855.795004] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 855.863472] [] ? nla_reserve+0x8a/0x9a [ 855.909847] [] rtnl_fill_ifinfo+0xd9c/0x251b [ 855.969020] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 856.020321] [] ? __alloc_skb+0x139/0x503 [ 856.075510] [] ? ___slab_alloc+0xb72/0xbd2 [ 856.155017] [] ? ___slab_alloc+0xb72/0xbd2 [ 856.320748] [] ? __alloc_skb+0x12a/0x503 [ 856.445279] [] ? kasan_poison_shadow+0x2f/0x31 [ 856.657036] [] ? kasan_unpoison_shadow+0x14/0x35 [ 856.726838] [] ? kasan_kmalloc+0x94/0xa3 [ 856.810505] [] ? kasan_slab_alloc+0x12/0x14 [ 856.912943] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 857.103295] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 857.191548] [] ? __alloc_skb+0x139/0x503 [ 857.244488] [] ? kasan_poison_shadow+0x2f/0x31 [ 857.310520] [] ? kasan_unpoison_shadow+0x14/0x35 [ 857.412251] [] ? __alloc_skb+0x4a9/0x503 [ 857.642598] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 857.710278] [] rtmsg_ifinfo+0x65/0x8e [ 857.763063] [] register_netdevice+0xbde/0xc2b [ 857.825915] [] register_netdev+0x21/0x2e [ 857.998857] [] loopback_net_init+0x82/0x150 [ 858.053321] [] ? loopback_xmit+0x341/0x341 [ 858.110018] [] ops_init+0x364/0x3c8 [ 858.166301] [] ? __list_add+0x211/0x249 [ 858.201458] [] ? net_alloc_generic+0x64/0x64 [ 858.227046] [] register_pernet_operations+0x28a/0x3ea [ 858.258799] [] ? unregister_pernet_device+0x73/0x73 [ 858.292793] [] register_pernet_device+0x2f/0x6b [ 858.323874] [] net_dev_init+0x57c/0x61a [ 858.349476] [] ? netdev_boot_setup+0x232/0x232 [ 858.381807] [] ? netdev_boot_setup+0x232/0x232 [ 858.410905] [] do_one_initcall+0x16d/0x258 [ 858.439816] [] ? initcall_blacklisted+0x198/0x198 [ 858.467375] [] ? up_write+0x8c/0xd9 [ 858.495136] [] ? down_write_trylock+0x100/0x100 [ 858.522006] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 858.545371] [] kernel_init_freeable+0x457/0x518 [ 858.570183] [] kernel_init+0x16/0x181 [ 858.592558] [] ret_from_fork+0x1f/0x40 [ 858.616292] [] ? rest_init+0x8f/0x8f [ 858.638073] ================================================================================ [ 858.668637] ================================================================================ [ 858.706868] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1328:9 [ 858.754863] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 858.825971] which requires 64 byte alignment [ 858.846178] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 858.873940] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 858.909836] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 858.944791] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 858.974847] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 859.004614] Call Trace: [ 859.020362] [] dump_stack+0xd7/0x132 [ 859.042846] [] ? arch_local_irq_restore+0x1b/0x1b [ 859.088959] [] ubsan_epilogue+0x12/0x53 [ 859.161704] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 859.215024] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 859.275131] [] ? nla_reserve+0x8a/0x9a [ 859.317045] [] rtnl_fill_ifinfo+0xddc/0x251b [ 859.366798] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 859.445772] [] ? __alloc_skb+0x139/0x503 [ 859.513832] [] ? ___slab_alloc+0xb72/0xbd2 [ 859.592873] [] ? ___slab_alloc+0xb72/0xbd2 [ 859.643476] [] ? __alloc_skb+0x12a/0x503 [ 859.674189] [] ? kasan_poison_shadow+0x2f/0x31 [ 859.711631] [] ? kasan_unpoison_shadow+0x14/0x35 [ 859.741542] [] ? kasan_kmalloc+0x94/0xa3 [ 859.764647] [] ? kasan_slab_alloc+0x12/0x14 [ 859.804046] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 859.828091] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 859.921355] [] ? __alloc_skb+0x139/0x503 [ 859.945590] [] ? kasan_poison_shadow+0x2f/0x31 [ 859.972270] [] ? kasan_unpoison_shadow+0x14/0x35 [ 859.996142] [] ? __alloc_skb+0x4a9/0x503 [ 860.019752] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 860.041704] [] rtmsg_ifinfo+0x65/0x8e [ 860.064455] [] register_netdevice+0xbde/0xc2b [ 860.081164] [] register_netdev+0x21/0x2e [ 860.102350] [] loopback_net_init+0x82/0x150 [ 860.123592] [] ? loopback_xmit+0x341/0x341 [ 860.144767] [] ops_init+0x364/0x3c8 [ 860.168853] [] ? __list_add+0x211/0x249 [ 860.189296] [] ? net_alloc_generic+0x64/0x64 [ 860.211233] [] register_pernet_operations+0x28a/0x3ea [ 860.231278] [] ? unregister_pernet_device+0x73/0x73 [ 860.253323] [] register_pernet_device+0x2f/0x6b [ 860.279304] [] net_dev_init+0x57c/0x61a [ 860.300721] [] ? netdev_boot_setup+0x232/0x232 [ 860.322654] [] ? netdev_boot_setup+0x232/0x232 [ 860.344732] [] do_one_initcall+0x16d/0x258 [ 860.377360] [] ? initcall_blacklisted+0x198/0x198 [ 860.403418] [] ? up_write+0x8c/0xd9 [ 860.423206] [] ? down_write_trylock+0x100/0x100 [ 860.443941] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 860.470622] [] kernel_init_freeable+0x457/0x518 [ 860.493498] [] kernel_init+0x16/0x181 [ 860.526607] [] ret_from_fork+0x1f/0x40 [ 860.554471] [] ? rest_init+0x8f/0x8f [ 860.577837] ================================================================================ [ 860.614744] ================================================================================ [ 860.654703] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1006:10 [ 860.681140] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 860.723913] which requires 64 byte alignment [ 860.744283] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 860.770624] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 860.809201] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 860.833117] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 860.863708] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 860.898885] Call Trace: [ 860.910135] [] dump_stack+0xd7/0x132 [ 860.929673] [] ? arch_local_irq_restore+0x1b/0x1b [ 860.956715] [] ubsan_epilogue+0x12/0x53 [ 860.981162] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 861.021516] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 861.055566] [] ? nla_reserve+0x8a/0x9a [ 861.080126] [] rtnl_fill_ifinfo+0x1107/0x251b [ 861.106567] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 861.132985] [] ? __alloc_skb+0x139/0x503 [ 861.157157] [] ? ___slab_alloc+0xb72/0xbd2 [ 861.183697] [] ? ___slab_alloc+0xb72/0xbd2 [ 861.208969] [] ? __alloc_skb+0x12a/0x503 [ 861.232373] [] ? kasan_poison_shadow+0x2f/0x31 [ 861.255339] [] ? kasan_unpoison_shadow+0x14/0x35 [ 861.276570] [] ? kasan_kmalloc+0x94/0xa3 [ 861.312518] [] ? kasan_slab_alloc+0x12/0x14 [ 861.363806] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 861.389075] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 861.424783] [] ? __alloc_skb+0x139/0x503 [ 861.447011] [] ? kasan_poison_shadow+0x2f/0x31 [ 861.471789] [] ? kasan_unpoison_shadow+0x14/0x35 [ 861.511312] [] ? __alloc_skb+0x4a9/0x503 [ 861.536527] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 861.556115] [] rtmsg_ifinfo+0x65/0x8e [ 861.575071] [] register_netdevice+0xbde/0xc2b [ 861.593589] [] register_netdev+0x21/0x2e [ 861.609709] [] loopback_net_init+0x82/0x150 [ 861.635038] [] ? loopback_xmit+0x341/0x341 [ 861.657679] [] ops_init+0x364/0x3c8 [ 861.675754] [] ? __list_add+0x211/0x249 [ 861.695961] [] ? net_alloc_generic+0x64/0x64 [ 861.718470] [] register_pernet_operations+0x28a/0x3ea [ 861.743654] [] ? unregister_pernet_device+0x73/0x73 [ 861.763810] [] register_pernet_device+0x2f/0x6b [ 861.906862] [] net_dev_init+0x57c/0x61a [ 861.926424] [] ? netdev_boot_setup+0x232/0x232 [ 861.947358] [] ? netdev_boot_setup+0x232/0x232 [ 861.970940] [] do_one_initcall+0x16d/0x258 [ 861.988097] [] ? initcall_blacklisted+0x198/0x198 [ 862.015347] [] ? up_write+0x8c/0xd9 [ 862.031349] [] ? down_write_trylock+0x100/0x100 [ 862.054215] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 862.077351] [] kernel_init_freeable+0x457/0x518 [ 862.098583] [] kernel_init+0x16/0x181 [ 862.117287] [] ret_from_fork+0x1f/0x40 [ 862.135053] [] ? rest_init+0x8f/0x8f [ 862.155662] ================================================================================ [ 862.181973] ================================================================================ [ 862.210347] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1231:10 [ 862.232496] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 862.257770] which requires 64 byte alignment [ 862.273201] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 862.298586] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 862.330204] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 862.357137] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 862.378885] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 862.404397] Call Trace: [ 862.415256] [] dump_stack+0xd7/0x132 [ 862.436418] [] ? arch_local_irq_restore+0x1b/0x1b [ 862.459140] [] ubsan_epilogue+0x12/0x53 [ 862.474483] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 862.498471] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 862.520612] [] ? nla_reserve+0x8a/0x9a [ 862.540609] [] rtnl_fill_ifinfo+0x1a2c/0x251b [ 862.562319] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 862.581772] [] ? __alloc_skb+0x139/0x503 [ 862.598588] [] ? ___slab_alloc+0xb72/0xbd2 [ 862.617969] [] ? ___slab_alloc+0xb72/0xbd2 [ 862.635790] [] ? __alloc_skb+0x12a/0x503 [ 862.654972] [] ? kasan_poison_shadow+0x2f/0x31 [ 862.672755] [] ? kasan_unpoison_shadow+0x14/0x35 [ 862.697583] [] ? kasan_kmalloc+0x94/0xa3 [ 862.719188] [] ? kasan_slab_alloc+0x12/0x14 [ 862.738963] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 862.759805] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 862.788142] [] ? __alloc_skb+0x139/0x503 [ 862.810089] [] ? kasan_poison_shadow+0x2f/0x31 [ 862.837249] [] ? kasan_unpoison_shadow+0x14/0x35 [ 862.859939] [] ? __alloc_skb+0x4a9/0x503 [ 862.881171] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 862.898353] [] rtmsg_ifinfo+0x65/0x8e [ 862.918058] [] register_netdevice+0xbde/0xc2b [ 862.936785] [] register_netdev+0x21/0x2e [ 862.951860] [] loopback_net_init+0x82/0x150 [ 862.971274] [] ? loopback_xmit+0x341/0x341 [ 862.990385] [] ops_init+0x364/0x3c8 [ 863.007033] [] ? __list_add+0x211/0x249 [ 863.023347] [] ? net_alloc_generic+0x64/0x64 [ 863.041994] [] register_pernet_operations+0x28a/0x3ea [ 863.065310] [] ? unregister_pernet_device+0x73/0x73 [ 863.086407] [] register_pernet_device+0x2f/0x6b [ 863.105220] [] net_dev_init+0x57c/0x61a [ 863.126409] [] ? netdev_boot_setup+0x232/0x232 [ 863.144649] [] ? netdev_boot_setup+0x232/0x232 [ 863.165438] [] do_one_initcall+0x16d/0x258 [ 863.182610] [] ? initcall_blacklisted+0x198/0x198 [ 863.201264] [] ? up_write+0x8c/0xd9 [ 863.218565] [] ? down_write_trylock+0x100/0x100 [ 863.238543] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 863.257299] [] kernel_init_freeable+0x457/0x518 [ 863.279883] [] kernel_init+0x16/0x181 [ 863.302206] [] ret_from_fork+0x1f/0x40 [ 863.318254] [] ? rest_init+0x8f/0x8f [ 863.337119] ================================================================================ [ 863.372312] ================================================================================ [ 863.405794] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1351:9 [ 863.429152] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 863.462603] which requires 64 byte alignment [ 863.476927] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 863.497208] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 863.530239] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 863.556313] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 863.580844] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 863.605392] Call Trace: [ 863.614176] [] dump_stack+0xd7/0x132 [ 863.630371] [] ? arch_local_irq_restore+0x1b/0x1b [ 863.653288] [] ubsan_epilogue+0x12/0x53 [ 863.669839] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 863.694436] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 863.718116] [] ? nla_reserve+0x8a/0x9a [ 863.735063] [] rtnl_fill_ifinfo+0x1ae1/0x251b [ 863.755495] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 863.777790] [] ? __alloc_skb+0x139/0x503 [ 863.797233] [] ? ___slab_alloc+0xb72/0xbd2 [ 863.818202] [] ? ___slab_alloc+0xb72/0xbd2 [ 863.836773] [] ? __alloc_skb+0x12a/0x503 [ 863.855131] [] ? kasan_poison_shadow+0x2f/0x31 [ 863.886066] [] ? kasan_unpoison_shadow+0x14/0x35 [ 863.906963] [] ? kasan_kmalloc+0x94/0xa3 [ 863.927255] [] ? kasan_slab_alloc+0x12/0x14 [ 863.943900] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 863.968969] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 863.992736] [] ? __alloc_skb+0x139/0x503 [ 864.009513] [] ? kasan_poison_shadow+0x2f/0x31 [ 864.034254] [] ? kasan_unpoison_shadow+0x14/0x35 [ 864.078975] [] ? __alloc_skb+0x4a9/0x503 [ 864.112914] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 864.148541] [] rtmsg_ifinfo+0x65/0x8e [ 864.165767] [] register_netdevice+0xbde/0xc2b [ 864.186848] [] register_netdev+0x21/0x2e [ 864.209400] [] loopback_net_init+0x82/0x150 [ 864.263167] [] ? loopback_xmit+0x341/0x341 [ 864.281864] [] ops_init+0x364/0x3c8 [ 864.310011] [] ? __list_add+0x211/0x249 [ 864.328222] [] ? net_alloc_generic+0x64/0x64 [ 864.347635] [] register_pernet_operations+0x28a/0x3ea [ 864.370784] [] ? unregister_pernet_device+0x73/0x73 [ 864.394734] [] register_pernet_device+0x2f/0x6b [ 864.417633] [] net_dev_init+0x57c/0x61a [ 864.433304] [] ? netdev_boot_setup+0x232/0x232 [ 864.453653] [] ? netdev_boot_setup+0x232/0x232 [ 864.472874] [] do_one_initcall+0x16d/0x258 [ 864.506196] [] ? initcall_blacklisted+0x198/0x198 [ 864.528787] [] ? up_write+0x8c/0xd9 [ 864.545007] [] ? down_write_trylock+0x100/0x100 [ 864.580303] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 864.609660] [] kernel_init_freeable+0x457/0x518 [ 864.631277] [] kernel_init+0x16/0x181 [ 864.647661] [] ret_from_fork+0x1f/0x40 [ 864.664318] [] ? rest_init+0x8f/0x8f [ 864.683669] ================================================================================ [ 864.709272] ================================================================================ [ 864.737269] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1356:9 [ 864.754254] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 864.784805] which requires 64 byte alignment [ 864.799019] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 864.827124] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 864.863012] 00000000ffffffff 00000000b1a89c60 ffff88005c9df660 ffffffffb26ec5cc [ 864.890281] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 864.914514] ffff880000000010 ffff88005c9df688 ffff88005c9df638 ffffffffb363c3e0 [ 864.939535] Call Trace: [ 864.947148] [] dump_stack+0xd7/0x132 [ 864.969463] [] ? arch_local_irq_restore+0x1b/0x1b [ 864.992667] [] ubsan_epilogue+0x12/0x53 [ 865.012472] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 865.032558] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 865.056106] [] ? nla_reserve+0x8a/0x9a [ 865.080739] [] rtnl_fill_ifinfo+0x1f5f/0x251b [ 865.102362] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 865.122772] [] ? __alloc_skb+0x139/0x503 [ 865.141883] [] ? ___slab_alloc+0xb72/0xbd2 [ 865.162868] [] ? ___slab_alloc+0xb72/0xbd2 [ 865.183192] [] ? __alloc_skb+0x12a/0x503 [ 865.201120] [] ? kasan_poison_shadow+0x2f/0x31 [ 865.220853] [] ? kasan_unpoison_shadow+0x14/0x35 [ 865.240984] [] ? kasan_kmalloc+0x94/0xa3 [ 865.266238] [] ? kasan_slab_alloc+0x12/0x14 [ 865.288687] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 865.310899] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 865.341732] [] ? __alloc_skb+0x139/0x503 [ 865.363044] [] ? kasan_poison_shadow+0x2f/0x31 [ 865.382095] [] ? kasan_unpoison_shadow+0x14/0x35 [ 865.415566] [] ? __alloc_skb+0x4a9/0x503 [ 865.441240] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 865.472265] [] rtmsg_ifinfo+0x65/0x8e [ 865.495328] [] register_netdevice+0xbde/0xc2b [ 865.516520] [] register_netdev+0x21/0x2e [ 865.542953] [] loopback_net_init+0x82/0x150 [ 865.565168] [] ? loopback_xmit+0x341/0x341 [ 865.587830] [] ops_init+0x364/0x3c8 [ 865.608970] [] ? __list_add+0x211/0x249 [ 865.633542] [] ? net_alloc_generic+0x64/0x64 [ 865.653696] [] register_pernet_operations+0x28a/0x3ea [ 865.682303] [] ? unregister_pernet_device+0x73/0x73 [ 865.704384] [] register_pernet_device+0x2f/0x6b [ 865.729492] [] net_dev_init+0x57c/0x61a [ 865.747090] [] ? netdev_boot_setup+0x232/0x232 [ 865.767695] [] ? netdev_boot_setup+0x232/0x232 [ 865.787186] [] do_one_initcall+0x16d/0x258 [ 865.803856] [] ? initcall_blacklisted+0x198/0x198 [ 865.841325] [] ? up_write+0x8c/0xd9 [ 865.890726] [] ? down_write_trylock+0x100/0x100 [ 865.917107] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 865.941182] [] kernel_init_freeable+0x457/0x518 [ 865.964013] [] kernel_init+0x16/0x181 [ 865.981327] [] ret_from_fork+0x1f/0x40 [ 866.002994] [] ? rest_init+0x8f/0x8f [ 866.018557] ================================================================================ [ 866.055722] ================================================================================ [ 866.095797] UBSAN: Undefined behaviour in drivers/net/loopback.c:205:2 [ 866.115043] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 866.152731] which requires 64 byte alignment [ 866.167344] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 866.184653] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 866.211950] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfaf0 ffffffffb26ec5cc [ 866.239951] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 866.267580] 0000000000000010 ffff88005c9dfb18 ffff88005c9dfac8 ffffffffb363c3e0 [ 866.295945] Call Trace: [ 866.303567] [] dump_stack+0xd7/0x132 [ 866.322670] [] ? arch_local_irq_restore+0x1b/0x1b [ 866.343728] [] ubsan_epilogue+0x12/0x53 [ 866.364510] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 866.389010] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 866.414026] [] ? register_netdevice+0xc19/0xc2b [ 866.441085] [] loopback_net_init+0xa7/0x150 [ 866.464927] [] ? loopback_xmit+0x341/0x341 [ 866.492728] [] ops_init+0x364/0x3c8 [ 866.516073] [] ? __list_add+0x211/0x249 [ 866.541870] [] ? net_alloc_generic+0x64/0x64 [ 866.572472] [] register_pernet_operations+0x28a/0x3ea [ 866.599222] [] ? unregister_pernet_device+0x73/0x73 [ 866.625846] [] register_pernet_device+0x2f/0x6b [ 866.658280] [] net_dev_init+0x57c/0x61a [ 866.680471] [] ? netdev_boot_setup+0x232/0x232 [ 866.704156] [] ? netdev_boot_setup+0x232/0x232 [ 866.738332] [] do_one_initcall+0x16d/0x258 [ 866.761441] [] ? initcall_blacklisted+0x198/0x198 [ 866.788322] [] ? up_write+0x8c/0xd9 [ 866.811455] [] ? down_write_trylock+0x100/0x100 [ 866.840925] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 866.872807] [] kernel_init_freeable+0x457/0x518 [ 866.902417] [] kernel_init+0x16/0x181 [ 866.934142] [] ret_from_fork+0x1f/0x40 [ 866.966328] [] ? rest_init+0x8f/0x8f [ 866.989898] ================================================================================ [ 867.023123] ================================================================================ [ 867.055238] UBSAN: Undefined behaviour in net/core/dev.c:1555:13 [ 867.076262] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 867.107115] which requires 64 byte alignment [ 867.121898] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 867.143576] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 867.182949] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc38 ffffffffb26ec5cc [ 867.215432] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 867.249480] ffff880000000010 ffff88005c9dfc60 ffff88005c9dfc10 ffffffffb363c3e0 [ 867.294591] Call Trace: [ 867.304948] [] dump_stack+0xd7/0x132 [ 867.329951] [] ? arch_local_irq_restore+0x1b/0x1b [ 867.367525] [] ubsan_epilogue+0x12/0x53 [ 867.403482] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 867.441982] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 867.475854] [] ? dev_getfirstbyhwtype+0x119/0x119 [ 867.514641] [] register_netdevice_notifier+0x2d1/0x350 [ 867.561378] [] dst_subsys_init+0x15/0x17 [ 867.593675] [] net_dev_init+0x5d7/0x61a [ 867.619203] [] ? netdev_boot_setup+0x232/0x232 [ 867.659611] [] ? netdev_boot_setup+0x232/0x232 [ 867.692244] [] do_one_initcall+0x16d/0x258 [ 867.721466] [] ? initcall_blacklisted+0x198/0x198 [ 867.749671] [] ? up_write+0x8c/0xd9 [ 867.772863] [] ? down_write_trylock+0x100/0x100 [ 867.802432] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 867.830320] [] kernel_init_freeable+0x457/0x518 [ 867.858254] [] kernel_init+0x16/0x181 [ 867.878831] [] ret_from_fork+0x1f/0x40 [ 867.902468] [] ? rest_init+0x8f/0x8f [ 867.922574] ================================================================================ [ 867.963500] ================================================================================ [ 868.000933] UBSAN: Undefined behaviour in net/core/dev.c:1549:3 [ 868.024561] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 868.062891] which requires 64 byte alignment [ 868.080670] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 868.103941] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 868.140982] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc38 ffffffffb26ec5cc [ 868.167766] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 868.197243] ffffffff00000010 ffff88005c9dfc60 ffff88005c9dfc10 ffffffffb363c3e0 [ 868.221839] Call Trace: [ 868.229736] [] dump_stack+0xd7/0x132 [ 868.249220] [] ? arch_local_irq_restore+0x1b/0x1b [ 868.272156] [] ubsan_epilogue+0x12/0x53 [ 868.291469] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 868.317466] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 868.343493] [] ? dev_getfirstbyhwtype+0x119/0x119 [ 868.374784] [] register_netdevice_notifier+0x31d/0x350 [ 868.403354] [] dst_subsys_init+0x15/0x17 [ 868.428335] [] net_dev_init+0x5d7/0x61a [ 868.448365] [] ? netdev_boot_setup+0x232/0x232 [ 868.471641] [] ? netdev_boot_setup+0x232/0x232 [ 868.498547] [] do_one_initcall+0x16d/0x258 [ 868.522428] [] ? initcall_blacklisted+0x198/0x198 [ 868.557057] [] ? up_write+0x8c/0xd9 [ 868.580181] [] ? down_write_trylock+0x100/0x100 [ 868.609310] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 868.634246] [] kernel_init_freeable+0x457/0x518 [ 868.657718] [] kernel_init+0x16/0x181 [ 868.691935] [] ret_from_fork+0x1f/0x40 [ 868.714936] [] ? rest_init+0x8f/0x8f [ 868.736705] ================================================================================ [ 868.765620] NetLabel: Initializing [ 868.778079] NetLabel: domain hash size = 128 [ 868.795985] NetLabel: protocols = UNLABELED CIPSOv4 [ 868.816001] NetLabel: unlabeled traffic allowed by default [ 868.855643] ================================================================================ [ 868.883737] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 868.909428] load of misaligned address ffffffffb77ce76c for type 'volatile const long unsigned int' [ 868.937539] which requires 8 byte alignment [ 868.950654] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 868.967190] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 869.004878] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfce0 ffffffffb26ec5cc [ 869.032785] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 869.059869] 0000000000000010 ffff88005c9dfd08 ffff88005c9dfcb8 ffffffffb363c3e0 [ 869.093705] Call Trace: [ 869.116963] [] dump_stack+0xd7/0x132 [ 869.161155] [] ? arch_local_irq_restore+0x1b/0x1b [ 869.204745] [] ubsan_epilogue+0x12/0x53 [ 869.236941] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 869.278566] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 869.321209] [] ? debugfs_create_file_unsafe+0x5c/0x67 [ 869.352949] [] ? hpet_enable+0x2ca/0x305 [ 869.376722] [] hpet_msi_capability_lookup+0x5f/0x38c [ 869.402586] [] ? hpet_enable+0x2ca/0x305 [ 869.426861] [] hpet_late_init+0x7d/0x180 [ 869.446760] [] ? hpet_enable+0x305/0x305 [ 869.468241] [] do_one_initcall+0x16d/0x258 [ 869.494029] [] ? initcall_blacklisted+0x198/0x198 [ 869.523461] [] ? up_write+0x8c/0xd9 [ 869.546404] [] ? down_write_trylock+0x100/0x100 [ 869.575243] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 869.608680] [] kernel_init_freeable+0x457/0x518 [ 869.633464] [] kernel_init+0x16/0x181 [ 869.652813] [] ret_from_fork+0x1f/0x40 [ 869.691807] [] ? rest_init+0x8f/0x8f [ 869.723532] ================================================================================ [ 869.767925] HPET: 3 timers in total, 0 timers will be used for per-cpu timer [ 869.806498] ================================================================================ [ 869.845562] UBSAN: Undefined behaviour in arch/x86/kernel/hpet.c:664:13 [ 869.880969] member access within misaligned address ffff88005bcf3578 for type 'struct hpet_dev' [ 869.920724] which requires 64 byte alignment [ 869.938320] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 869.975970] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 870.164727] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbe8 ffffffffb26ec5cc [ 870.198012] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 870.226913] ffffffff00000010 ffff88005c9dfc10 ffff88005c9dfbc0 ffffffffb363c3e0 [ 870.258802] Call Trace: [ 870.266053] [] dump_stack+0xd7/0x132 [ 870.285557] [] ? arch_local_irq_restore+0x1b/0x1b [ 870.312145] [] ubsan_epilogue+0x12/0x53 [ 870.331774] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 870.359440] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 870.388246] [] ? vprintk_emit+0x636/0x647 [ 870.417043] [] hpet_reserve_platform_timers+0x24a/0x369 [ 870.464122] [] ? hpet_msi_capability_lookup+0x38c/0x38c [ 870.492632] [] ? hpet_msi_capability_lookup+0x37f/0x38c [ 870.522048] [] ? hpet_enable+0x2ca/0x305 [ 870.547826] [] hpet_late_init+0x8b/0x180 [ 870.582271] [] ? hpet_enable+0x305/0x305 [ 870.608835] [] do_one_initcall+0x16d/0x258 [ 870.643611] [] ? initcall_blacklisted+0x198/0x198 [ 870.677221] [] ? up_write+0x8c/0xd9 [ 870.711638] [] ? down_write_trylock+0x100/0x100 [ 870.747886] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 870.780059] [] kernel_init_freeable+0x457/0x518 [ 870.814215] [] kernel_init+0x16/0x181 [ 870.846877] [] ret_from_fork+0x1f/0x40 [ 870.871140] [] ? rest_init+0x8f/0x8f [ 870.894208] ================================================================================ [ 870.929506] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 870.952059] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 870.981446] ================================================================================ [ 871.015334] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 871.041426] load of misaligned address ffffffffb77ce76c for type 'volatile const long unsigned int' [ 871.072524] which requires 8 byte alignment [ 871.095137] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 871.119048] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 871.162028] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd28 ffffffffb26ec5cc [ 871.196036] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 871.230337] 1ffff10000000010 ffff88005c9dfd50 ffff88005c9dfd00 ffffffffb363c3e0 [ 871.272687] Call Trace: [ 871.284470] [] dump_stack+0xd7/0x132 [ 871.314377] [] ? arch_local_irq_restore+0x1b/0x1b [ 871.367823] [] ubsan_epilogue+0x12/0x53 [ 871.396505] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 871.455711] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 871.480746] [] ? hpet_msi_capability_lookup+0x37f/0x38c [ 871.508494] [] ? hpet_enable+0x2ca/0x305 [ 871.532871] [] hpet_late_init+0x104/0x180 [ 871.555158] [] ? hpet_enable+0x305/0x305 [ 871.574696] [] do_one_initcall+0x16d/0x258 [ 871.600990] [] ? initcall_blacklisted+0x198/0x198 [ 871.651096] [] ? up_write+0x8c/0xd9 [ 871.682491] [] ? down_write_trylock+0x100/0x100 [ 871.708432] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 871.738036] [] kernel_init_freeable+0x457/0x518 [ 871.760185] [] kernel_init+0x16/0x181 [ 871.779970] [] ret_from_fork+0x1f/0x40 [ 871.804321] [] ? rest_init+0x8f/0x8f [ 871.822283] ================================================================================ [ 871.856564] ================================================================================ [ 871.887778] UBSAN: Undefined behaviour in kernel/workqueue.c:1381:6 [ 871.915366] member access within misaligned address ffff88005d13aed8 for type 'struct workqueue_struct' [ 871.948264] which requires 64 byte alignment [ 871.964874] CPU: 0 PID: 13 Comm: cpuhp/0 Not tainted 4.8.11 #1 [ 871.983720] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 872.017600] 00000000ffffffff 00000000130d0768 ffff88005cacfa50 ffffffffb26ec5cc [ 872.045860] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 872.074250] ffff880000000010 ffff88005cacfa78 ffff88005cacfa28 ffffffffb363c3e0 [ 872.108609] Call Trace: [ 872.117524] [] dump_stack+0xd7/0x132 [ 872.135590] [] ? arch_local_irq_restore+0x1b/0x1b [ 872.161170] [] ubsan_epilogue+0x12/0x53 [ 872.182034] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 872.211655] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 872.240658] [] ? set_next_entity+0x2c0/0x36b [ 872.269308] [] __queue_work+0x9f/0xba0 [ 872.289148] [] __queue_delayed_work+0x1f8/0x2f0 [ 872.313140] [] queue_delayed_work_on+0x54/0x75 [ 872.335435] [] hpet_cpuhp_online+0x11f/0x15e [ 872.360988] [] ? hpet_work+0x597/0x597 [ 872.380037] [] ? balance_callback+0x3a/0x137 [ 872.405499] [] ? hpet_mask_rtc_irq_bit+0x43/0x43 [ 872.431490] [] ? __queue_work+0xba0/0xba0 [ 872.456985] [] ? io_schedule_timeout+0x33d/0x33d [ 872.484085] [] ? trace_cpuhp_enter+0x66/0xf7 [ 872.518101] [] ? hpet_work+0x597/0x597 [ 872.550906] [] cpuhp_invoke_callback+0xd2/0x119 [ 872.583553] [] ? hpet_work+0x597/0x597 [ 872.617506] [] ? cpu_notify_nofail+0x43/0x43 [ 872.649676] [] cpuhp_thread_fun+0x178/0x3e7 [ 872.683237] [] ? cpu_notify_nofail+0x43/0x43 [ 872.712931] [] smpboot_thread_fn+0x6fa/0x711 [ 872.741968] [] ? sort_range+0x35/0x35 [ 872.765914] [] kthread+0x1f7/0x20b [ 872.789171] [] ? sort_range+0x35/0x35 [ 872.816812] [] ? init_completion+0x48/0x48 [ 872.842694] [] ret_from_fork+0x1f/0x40 [ 872.864570] [] ? init_completion+0x48/0x48 [ 872.888866] ================================================================================ [ 872.964431] ================================================================================ [ 873.032886] UBSAN: Undefined behaviour in kernel/workqueue.c:1389:10 [ 873.060779] member access within misaligned address ffff88005d13aed8 for type 'struct workqueue_struct' [ 873.108516] which requires 64 byte alignment [ 873.122690] CPU: 0 PID: 13 Comm: cpuhp/0 Not tainted 4.8.11 #1 [ 873.145930] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 873.185578] 00000000ffffffff 00000000130d0768 ffff88005cacfa50 ffffffffb26ec5cc [ 873.218048] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 873.245608] ffff880000000010 ffff88005cacfa78 ffff88005cacfa28 ffffffffb363c3e0 [ 873.274083] Call Trace: [ 873.283466] [] dump_stack+0xd7/0x132 [ 873.302694] [] ? arch_local_irq_restore+0x1b/0x1b [ 873.329508] [] ubsan_epilogue+0x12/0x53 [ 873.352518] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 873.377955] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 873.401993] [] ? set_next_entity+0x2c0/0x36b [ 873.428985] [] __queue_work+0x4ec/0xba0 [ 873.452036] [] __queue_delayed_work+0x1f8/0x2f0 [ 873.477356] [] queue_delayed_work_on+0x54/0x75 [ 873.499235] [] hpet_cpuhp_online+0x11f/0x15e [ 873.521222] [] ? hpet_work+0x597/0x597 [ 873.541579] [] ? balance_callback+0x3a/0x137 [ 873.565075] [] ? hpet_mask_rtc_irq_bit+0x43/0x43 [ 873.586932] [] ? __queue_work+0xba0/0xba0 [ 873.610158] [] ? io_schedule_timeout+0x33d/0x33d [ 873.635130] [] ? trace_cpuhp_enter+0x66/0xf7 [ 873.670397] [] ? hpet_work+0x597/0x597 [ 873.702787] [] cpuhp_invoke_callback+0xd2/0x119 [ 873.742596] [] ? hpet_work+0x597/0x597 [ 873.785066] [] ? cpu_notify_nofail+0x43/0x43 [ 873.840936] [] cpuhp_thread_fun+0x178/0x3e7 [ 873.919522] [] ? cpu_notify_nofail+0x43/0x43 [ 873.954242] [] smpboot_thread_fn+0x6fa/0x711 [ 873.977276] [] ? sort_range+0x35/0x35 [ 873.991091] [] kthread+0x1f7/0x20b [ 874.012242] [] ? sort_range+0x35/0x35 [ 874.030522] [] ? init_completion+0x48/0x48 [ 874.050744] [] ret_from_fork+0x1f/0x40 [ 874.072571] [] ? init_completion+0x48/0x48 [ 874.096771] ================================================================================ [ 874.129696] ================================================================================ [ 874.161252] UBSAN: Undefined behaviour in kernel/workqueue.c:1390:9 [ 874.186736] member access within misaligned address ffff88005d13aed8 for type 'struct workqueue_struct' [ 874.221775] which requires 64 byte alignment [ 874.237102] CPU: 0 PID: 13 Comm: cpuhp/0 Not tainted 4.8.11 #1 [ 874.259632] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 874.291941] 00000000ffffffff 00000000130d0768 ffff88005cacfa50 ffffffffb26ec5cc [ 874.317077] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 874.346512] ffff880000000010 ffff88005cacfa78 ffff88005cacfa28 ffffffffb363c3e0 [ 874.373168] Call Trace: [ 874.380881] [] dump_stack+0xd7/0x132 [ 874.400923] [] ? arch_local_irq_restore+0x1b/0x1b [ 874.421174] [] ubsan_epilogue+0x12/0x53 [ 874.442134] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 874.464237] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 874.492113] [] ? set_next_entity+0x2c0/0x36b [ 874.512912] [] __queue_work+0x500/0xba0 [ 874.530791] [] __queue_delayed_work+0x1f8/0x2f0 [ 874.556103] [] queue_delayed_work_on+0x54/0x75 [ 874.577557] [] hpet_cpuhp_online+0x11f/0x15e [ 874.596765] [] ? hpet_work+0x597/0x597 [ 874.618071] [] ? balance_callback+0x3a/0x137 [ 874.639933] [] ? hpet_mask_rtc_irq_bit+0x43/0x43 [ 874.664069] [] ? __queue_work+0xba0/0xba0 [ 874.681286] [] ? io_schedule_timeout+0x33d/0x33d [ 874.702269] [] ? trace_cpuhp_enter+0x66/0xf7 [ 874.724698] [] ? hpet_work+0x597/0x597 [ 874.742254] [] cpuhp_invoke_callback+0xd2/0x119 [ 874.764107] [] ? hpet_work+0x597/0x597 [ 874.782900] [] ? cpu_notify_nofail+0x43/0x43 [ 874.802407] [] cpuhp_thread_fun+0x178/0x3e7 [ 874.828259] [] ? cpu_notify_nofail+0x43/0x43 [ 874.849721] [] smpboot_thread_fn+0x6fa/0x711 [ 874.868203] [] ? sort_range+0x35/0x35 [ 874.887720] [] kthread+0x1f7/0x20b [ 874.903651] [] ? sort_range+0x35/0x35 [ 874.928534] [] ? init_completion+0x48/0x48 [ 874.948920] [] ret_from_fork+0x1f/0x40 [ 874.968113] [] ? init_completion+0x48/0x48 [ 874.987139] ================================================================================ [ 875.026869] ================================================================================ [ 875.054002] UBSAN: Undefined behaviour in kernel/workqueue.c:2023:30 [ 875.079868] member access within misaligned address ffff88005d13aed8 for type 'struct workqueue_struct' [ 875.114022] which requires 64 byte alignment [ 875.128382] CPU: 0 PID: 4 Comm: kworker/0:0 Not tainted 4.8.11 #1 [ 875.153428] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 875.185572] 00000000ffffffff 0000000026f59e6d ffff88005ca3fc60 ffffffffb26ec5cc [ 875.211478] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 875.240087] ffffffff00000010 ffff88005ca3fc88 ffff88005ca3fc38 ffffffffb363c3e0 [ 875.266688] Call Trace: [ 875.275255] [] dump_stack+0xd7/0x132 [ 875.296419] [] ? arch_local_irq_restore+0x1b/0x1b [ 875.315502] [] ubsan_epilogue+0x12/0x53 [ 875.335467] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 875.360138] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 875.383849] [] process_one_work+0x10e/0x88e [ 875.405552] [] ? create_worker+0x528/0x528 [ 875.427963] [] ? worker_clr_flags+0x187/0x193 [ 875.451300] [] worker_thread+0x67c/0x857 [ 875.468875] [] kthread+0x1f7/0x20b [ 875.486672] [] ? rescuer_thread+0x91f/0x91f [ 875.509477] [] ? init_completion+0x48/0x48 [ 875.530585] [] ret_from_fork+0x1f/0x40 [ 875.547894] [] ? init_completion+0x48/0x48 [ 875.570873] ================================================================================ [ 875.599728] ================================================================================ [ 875.629621] UBSAN: Undefined behaviour in arch/x86/kernel/hpet.c:683:13 [ 875.653113] member access within misaligned address ffff88005bcf3578 for type 'struct hpet_dev' [ 875.687505] which requires 64 byte alignment [ 875.753162] CPU: 0 PID: 4 Comm: kworker/0:0 Not tainted 4.8.11 #1 [ 875.839210] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 875.916012] Workqueue: events hpet_work [ 875.954376] 00000000ffffffff 0000000026f59e6d ffff88005ca3fc18 ffffffffb26ec5cc [ 876.016338] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 876.062681] ffff880000000010 ffff88005ca3fc40 ffff88005ca3fbf0 ffffffffb363c3e0 [ 876.125461] Call Trace: [ 876.136572] [] dump_stack+0xd7/0x132 [ 876.161439] [] ? arch_local_irq_restore+0x1b/0x1b [ 876.186172] [] ubsan_epilogue+0x12/0x53 [ 876.211088] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 876.236958] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 876.263705] [] hpet_work+0x67/0x597 [ 876.284034] [] process_one_work+0x54a/0x88e [ 876.306424] [] ? create_worker+0x528/0x528 [ 876.328561] [] ? worker_clr_flags+0x187/0x193 [ 876.349847] [] worker_thread+0x67c/0x857 [ 876.371789] [] kthread+0x1f7/0x20b [ 876.389885] [] ? rescuer_thread+0x91f/0x91f [ 876.412698] [] ? init_completion+0x48/0x48 [ 876.436178] [] ret_from_fork+0x1f/0x40 [ 876.456082] [] ? init_completion+0x48/0x48 [ 876.487959] ================================================================================ [ 876.670422] clocksource: Switched to clocksource kvm-clock [ 876.672192] ================================================================================ [ 876.672203] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 876.672208] load of misaligned address ffffffffb77ce744 for type 'volatile const long unsigned int' [ 876.672210] which requires 8 byte alignment [ 876.672217] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.8.11 #1 [ 876.672221] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 876.672238] 00000000ffffffff e5344f8b99d4199e ffff88005d507d28 ffffffffb26ec5cc [ 876.672245] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 876.672251] 0000000000000010 ffff88005d507d50 ffff88005d507d00 ffffffffb363c3e0 [ 876.672252] Call Trace: [ 876.672266] [] dump_stack+0xd7/0x132 [ 876.672274] [] ? arch_local_irq_restore+0x1b/0x1b [ 876.672281] [] ubsan_epilogue+0x12/0x53 [ 876.672288] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 876.672295] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 876.672307] [] ? lapic_next_deadline+0x2b/0x2b [ 876.672316] [] __setup_APIC_LVTT+0x47/0x119 [ 876.672325] [] lapic_timer_set_oneshot+0x4b/0x50 [ 876.672391] [] clockevents_switch_state+0x240/0x456 [ 876.672403] [] ? hrtimer_get_next_event+0x89/0x89 [ 876.672415] [] tick_switch_to_oneshot+0x1e4/0x1f9 [ 876.672423] [] tick_init_highres+0x1a/0x1c [ 876.672443] [] hrtimer_run_queues+0xac/0x166 [ 876.672451] [] run_local_timers+0x27/0x125 [ 876.672457] [] update_process_times+0x2d/0x64 [ 876.672464] [] tick_periodic+0x145/0x154 [ 876.672471] [] tick_handle_periodic+0x50/0x112 [ 876.672480] [] local_apic_timer_interrupt+0xe4/0xeb [ 876.672488] [] smp_apic_timer_interrupt+0x2e/0x3e [ 876.672506] [] apic_timer_interrupt+0x82/0x90 [ 876.672516] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 876.672523] [] ? native_safe_halt+0x6/0x8 [ 876.672532] [] default_idle+0x1f/0x32 [ 876.672538] [] arch_cpu_idle+0xf/0x11 [ 876.672544] [] default_idle_call+0x1e/0x20 [ 876.672551] [] cpu_startup_entry+0x20f/0x384 [ 876.672586] [] ? default_idle_call+0x20/0x20 [ 876.672600] [] ? clockevents_register_device+0x1af/0x1b8 [ 876.672612] [] start_secondary+0x27d/0x2d7 [ 876.672625] [] ? set_cpu_sibling_map+0x114f/0x114f [ 876.672631] ================================================================================ [ 877.774433] ================================================================================ [ 877.816378] UBSAN: Undefined behaviour in fs/tracefs/inode.c:276:16 [ 877.863650] member access within misaligned address ffff8800a2847028 for type 'struct super_block' [ 877.922267] which requires 64 byte alignment [ 877.971192] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 878.005946] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 878.070481] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa50 ffffffffb26ec5cc [ 878.102014] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 878.131530] ffff880000000010 ffff88005c9dfa78 ffff88005c9dfa28 ffffffffb363c3e0 [ 878.154892] Call Trace: [ 878.163557] [] dump_stack+0xd7/0x132 [ 878.177437] [] ? arch_local_irq_restore+0x1b/0x1b [ 878.197621] [] ubsan_epilogue+0x12/0x53 [ 878.214352] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 878.232964] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 878.255879] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 878.275143] [] ? trace_fill_super+0x48/0x13f [ 878.293792] [] ? __tracefs_remove+0x1aa/0x1aa [ 878.314103] [] trace_fill_super+0x64/0x13f [ 878.333870] [] mount_single+0xa2/0x176 [ 878.352318] [] trace_mount+0x33/0x38 [ 878.369849] [] mount_fs+0xd0/0x2ca [ 878.387866] [] vfs_kern_mount+0xa0/0x20a [ 878.404667] [] simple_pin_fs+0x9d/0x1b5 [ 878.422248] [] start_creating+0x44/0x1ba [ 878.439792] [] tracefs_create_file+0x74/0x314 [ 878.458924] [] trace_create_file+0x38/0x65 [ 878.475495] [] init_tracer_tracefs+0xa4/0x79d [ 878.493997] [] ? trace_create_cpu_file+0xd0/0xd0 [ 878.519007] [] ? ftrace_snapshot_print+0x79/0x79 [ 878.542617] [] ? debugfs_create_automount+0x25f/0x26f [ 878.566221] [] tracer_init_tracefs+0xf1/0x267 [ 878.590381] [] ? register_tracer+0x557/0x557 [ 878.610591] [] do_one_initcall+0x16d/0x258 [ 878.632054] [] ? initcall_blacklisted+0x198/0x198 [ 878.651390] [] ? up_write+0x8c/0xd9 [ 878.673198] [] ? down_write_trylock+0x100/0x100 [ 878.699558] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 878.723668] [] kernel_init_freeable+0x457/0x518 [ 878.746764] [] kernel_init+0x16/0x181 [ 878.761845] [] ret_from_fork+0x1f/0x40 [ 878.780563] [] ? rest_init+0x8f/0x8f [ 878.798874] ================================================================================ [ 878.828658] ================================================================================ [ 878.855630] UBSAN: Undefined behaviour in fs/tracefs/inode.c:290:11 [ 878.879512] member access within misaligned address ffff8800a2847028 for type 'struct super_block' [ 878.910533] which requires 64 byte alignment [ 878.923809] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 878.942517] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 878.972427] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa50 ffffffffb26ec5cc [ 878.995238] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 879.020906] 0000000000000010 ffff88005c9dfa78 ffff88005c9dfa28 ffffffffb363c3e0 [ 879.045121] Call Trace: [ 879.052282] [] dump_stack+0xd7/0x132 [ 879.067557] [] ? arch_local_irq_restore+0x1b/0x1b [ 879.087585] [] ubsan_epilogue+0x12/0x53 [ 879.108979] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 879.129693] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 879.153187] [] ? simple_fill_super+0x628/0x63b [ 879.170556] [] ? __tracefs_remove+0x1aa/0x1aa [ 879.189462] [] trace_fill_super+0xd4/0x13f [ 879.208014] [] mount_single+0xa2/0x176 [ 879.221649] [] trace_mount+0x33/0x38 [ 879.240497] [] mount_fs+0xd0/0x2ca [ 879.255589] [] vfs_kern_mount+0xa0/0x20a [ 879.270511] [] simple_pin_fs+0x9d/0x1b5 [ 879.286468] [] start_creating+0x44/0x1ba [ 879.303701] [] tracefs_create_file+0x74/0x314 [ 879.324511] [] trace_create_file+0x38/0x65 [ 879.345601] [] init_tracer_tracefs+0xa4/0x79d [ 879.363535] [] ? trace_create_cpu_file+0xd0/0xd0 [ 879.384847] [] ? ftrace_snapshot_print+0x79/0x79 [ 879.403274] [] ? debugfs_create_automount+0x25f/0x26f [ 879.425171] [] tracer_init_tracefs+0xf1/0x267 [ 879.443857] [] ? register_tracer+0x557/0x557 [ 879.464191] [] do_one_initcall+0x16d/0x258 [ 879.480557] [] ? initcall_blacklisted+0x198/0x198 [ 879.501029] [] ? up_write+0x8c/0xd9 [ 879.514091] [] ? down_write_trylock+0x100/0x100 [ 879.536377] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 879.555254] [] kernel_init_freeable+0x457/0x518 [ 879.576317] [] kernel_init+0x16/0x181 [ 879.590027] [] ret_from_fork+0x1f/0x40 [ 879.606821] [] ? rest_init+0x8f/0x8f [ 879.621164] ================================================================================ [ 879.647597] ================================================================================ [ 879.674407] UBSAN: Undefined behaviour in fs/tracefs/inode.c:215:26 [ 879.692068] member access within misaligned address ffff8800a2847028 for type 'struct super_block' [ 879.721967] which requires 64 byte alignment [ 879.737047] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 879.755166] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 879.786110] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 879.809267] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 879.832248] ffff880000000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 879.853804] Call Trace: [ 879.862539] [] dump_stack+0xd7/0x132 [ 879.880245] [] ? arch_local_irq_restore+0x1b/0x1b [ 879.898786] [] ubsan_epilogue+0x12/0x53 [ 879.913845] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 879.933726] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 879.956070] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 879.981700] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 880.003441] [] ? __tracefs_remove+0x1aa/0x1aa [ 880.020735] [] tracefs_apply_options+0x2f/0x1bd [ 880.039639] [] trace_fill_super+0xed/0x13f [ 880.056630] [] mount_single+0xa2/0x176 [ 880.072338] [] trace_mount+0x33/0x38 [ 880.089413] [] mount_fs+0xd0/0x2ca [ 880.105991] [] vfs_kern_mount+0xa0/0x20a [ 880.120254] [] simple_pin_fs+0x9d/0x1b5 [ 880.137376] [] start_creating+0x44/0x1ba [ 880.152827] [] tracefs_create_file+0x74/0x314 [ 880.170066] [] trace_create_file+0x38/0x65 [ 880.187296] [] init_tracer_tracefs+0xa4/0x79d [ 880.205161] [] ? trace_create_cpu_file+0xd0/0xd0 [ 880.224398] [] ? ftrace_snapshot_print+0x79/0x79 [ 880.244587] [] ? debugfs_create_automount+0x25f/0x26f [ 880.264977] [] tracer_init_tracefs+0xf1/0x267 [ 880.283946] [] ? register_tracer+0x557/0x557 [ 880.301778] [] do_one_initcall+0x16d/0x258 [ 880.322847] [] ? initcall_blacklisted+0x198/0x198 [ 880.341794] [] ? up_write+0x8c/0xd9 [ 880.357095] [] ? down_write_trylock+0x100/0x100 [ 880.377502] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 880.400344] [] kernel_init_freeable+0x457/0x518 [ 880.417980] [] kernel_init+0x16/0x181 [ 880.432818] [] ret_from_fork+0x1f/0x40 [ 880.449534] [] ? rest_init+0x8f/0x8f [ 880.466109] ================================================================================ [ 880.492600] ================================================================================ [ 880.515615] UBSAN: Undefined behaviour in fs/tracefs/inode.c:216:26 [ 880.533602] member access within misaligned address ffff8800a2847028 for type 'struct super_block' [ 880.563318] which requires 64 byte alignment [ 880.576135] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 880.593084] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 880.620843] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa28 ffffffffb26ec5cc [ 880.644858] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 880.667969] ffffffff00000010 ffff88005c9dfa50 ffff88005c9dfa00 ffffffffb363c3e0 [ 880.689641] Call Trace: [ 880.701347] [] dump_stack+0xd7/0x132 [ 880.714590] [] ? arch_local_irq_restore+0x1b/0x1b [ 880.732783] [] ubsan_epilogue+0x12/0x53 [ 880.750382] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 880.772455] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 880.794380] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 880.818146] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 880.840561] [] ? __tracefs_remove+0x1aa/0x1aa [ 880.860962] [] tracefs_apply_options+0x5b/0x1bd [ 880.881226] [] trace_fill_super+0xed/0x13f [ 880.898195] [] mount_single+0xa2/0x176 [ 880.913719] [] trace_mount+0x33/0x38 [ 880.929635] [] mount_fs+0xd0/0x2ca [ 880.948805] [] vfs_kern_mount+0xa0/0x20a [ 880.968458] [] simple_pin_fs+0x9d/0x1b5 [ 880.988031] [] start_creating+0x44/0x1ba [ 881.005176] [] tracefs_create_file+0x74/0x314 [ 881.024346] [] trace_create_file+0x38/0x65 [ 881.042531] [] init_tracer_tracefs+0xa4/0x79d [ 881.060835] [] ? trace_create_cpu_file+0xd0/0xd0 [ 881.081255] [] ? ftrace_snapshot_print+0x79/0x79 [ 881.098167] [] ? debugfs_create_automount+0x25f/0x26f [ 881.117006] [] tracer_init_tracefs+0xf1/0x267 [ 881.136002] [] ? register_tracer+0x557/0x557 [ 881.154342] [] do_one_initcall+0x16d/0x258 [ 881.170441] [] ? initcall_blacklisted+0x198/0x198 [ 881.192449] [] ? up_write+0x8c/0xd9 [ 881.208426] [] ? down_write_trylock+0x100/0x100 [ 881.228903] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 881.250691] [] kernel_init_freeable+0x457/0x518 [ 881.270121] [] kernel_init+0x16/0x181 [ 881.284079] [] ret_from_fork+0x1f/0x40 [ 881.301115] [] ? rest_init+0x8f/0x8f [ 881.314174] ================================================================================ [ 883.455427] VFS: Disk quotas dquot_6.6.0 [ 883.471988] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 883.505678] ================================================================================ [ 883.538710] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 883.569822] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 883.607107] which requires 8 byte alignment [ 883.623505] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 883.648311] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 883.689242] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc58 ffffffffb26ec5cc [ 883.719502] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 883.748166] 0000000000000010 ffff88005c9dfc80 ffff88005c9dfc30 ffffffffb363c3e0 [ 883.787860] Call Trace: [ 883.810591] [] dump_stack+0xd7/0x132 [ 883.845845] [] ? arch_local_irq_restore+0x1b/0x1b [ 883.891540] [] ubsan_epilogue+0x12/0x53 [ 883.914020] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 883.937891] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 883.959331] [] ? initcall_blacklisted+0x156/0x198 [ 883.983847] [] ? try_to_run_init_process+0x48/0x48 [ 884.006944] [] ? init_ramfs_fs+0x37/0x37 [ 884.024640] [] init_hugetlbfs_fs+0x9c/0x4c6 [ 884.044371] [] ? init_ramfs_fs+0x37/0x37 [ 884.063779] [] ? read_kcore+0x6c4/0x6c4 [ 884.084061] [] ? proc_create_data+0x15b/0x16a [ 884.103231] [] ? init_ramfs_fs+0x37/0x37 [ 884.123804] [] do_one_initcall+0x16d/0x258 [ 884.139393] [] ? initcall_blacklisted+0x198/0x198 [ 884.164014] [] ? up_write+0x8c/0xd9 [ 884.184134] [] ? down_write_trylock+0x100/0x100 [ 884.204755] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 884.231514] [] kernel_init_freeable+0x457/0x518 [ 884.257822] [] kernel_init+0x16/0x181 [ 884.285452] [] ret_from_fork+0x1f/0x40 [ 884.308925] [] ? rest_init+0x8f/0x8f [ 884.336097] ================================================================================ [ 884.374346] ================================================================================ [ 884.409651] UBSAN: Undefined behaviour in fs/hugetlbfs/inode.c:1169:16 [ 884.447701] member access within misaligned address ffff8800a2844ac8 for type 'struct super_block' [ 884.487063] which requires 64 byte alignment [ 884.506577] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 884.538956] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 884.587856] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa80 ffffffffb26ec5cc [ 884.675418] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 884.716483] ffff880000000010 ffff88005c9dfaa8 ffff88005c9dfa58 ffffffffb363c3e0 [ 884.759657] Call Trace: [ 884.771714] [] dump_stack+0xd7/0x132 [ 884.805088] [] ? arch_local_irq_restore+0x1b/0x1b [ 884.834582] [] ubsan_epilogue+0x12/0x53 [ 884.862230] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 884.886220] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 884.927372] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 884.973650] [] ? hugetlbfs_fill_super+0x1f7/0x7f8 [ 885.034003] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 885.060543] [] hugetlbfs_fill_super+0x221/0x7f8 [ 885.080722] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 885.108169] [] ? get_anon_bdev+0x1e7/0x1e7 [ 885.126055] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 885.150090] [] mount_nodev+0x67/0x11e [ 885.164487] [] hugetlbfs_mount+0x33/0x38 [ 885.185814] [] mount_fs+0xd0/0x2ca [ 885.208977] [] vfs_kern_mount+0xa0/0x20a [ 885.239862] [] kern_mount_data+0x4b/0x9a [ 885.257987] [] init_hugetlbfs_fs+0x253/0x4c6 [ 885.272484] [] ? init_ramfs_fs+0x37/0x37 [ 885.289047] [] ? read_kcore+0x6c4/0x6c4 [ 885.305847] [] ? proc_create_data+0x15b/0x16a [ 885.325950] [] ? init_ramfs_fs+0x37/0x37 [ 885.339363] [] do_one_initcall+0x16d/0x258 [ 885.358286] [] ? initcall_blacklisted+0x198/0x198 [ 885.376486] [] ? up_write+0x8c/0xd9 [ 885.392540] [] ? down_write_trylock+0x100/0x100 [ 885.414358] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 885.435699] [] kernel_init_freeable+0x457/0x518 [ 885.454013] [] kernel_init+0x16/0x181 [ 885.472213] [] ret_from_fork+0x1f/0x40 [ 885.488253] [] ? rest_init+0x8f/0x8f [ 885.508718] ================================================================================ [ 885.536363] ================================================================================ [ 885.562838] UBSAN: Undefined behaviour in fs/hugetlbfs/inode.c:1187:17 [ 885.588286] member access within misaligned address ffff8800a2844ac8 for type 'struct super_block' [ 885.618195] which requires 64 byte alignment [ 885.631083] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 885.652335] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 885.677715] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa80 ffffffffb26ec5cc [ 885.702146] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 885.722761] ffff880000000010 ffff88005c9dfaa8 ffff88005c9dfa58 ffffffffb363c3e0 [ 885.752917] Call Trace: [ 885.760797] [] dump_stack+0xd7/0x132 [ 885.776660] [] ? arch_local_irq_restore+0x1b/0x1b [ 885.798620] [] ubsan_epilogue+0x12/0x53 [ 885.815576] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 885.837254] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 885.861192] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 885.883078] [] ? hugetlbfs_fill_super+0x1f7/0x7f8 [ 885.904395] [] hugetlbfs_fill_super+0x380/0x7f8 [ 885.928228] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 885.953813] [] ? get_anon_bdev+0x1e7/0x1e7 [ 885.972590] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 885.998958] [] mount_nodev+0x67/0x11e [ 886.014579] [] hugetlbfs_mount+0x33/0x38 [ 886.034899] [] mount_fs+0xd0/0x2ca [ 886.051494] [] vfs_kern_mount+0xa0/0x20a [ 886.070440] [] kern_mount_data+0x4b/0x9a [ 886.086227] [] init_hugetlbfs_fs+0x253/0x4c6 [ 886.104878] [] ? init_ramfs_fs+0x37/0x37 [ 886.123377] [] ? read_kcore+0x6c4/0x6c4 [ 886.143657] [] ? proc_create_data+0x15b/0x16a [ 886.163218] [] ? init_ramfs_fs+0x37/0x37 [ 886.182288] [] do_one_initcall+0x16d/0x258 [ 886.200222] [] ? initcall_blacklisted+0x198/0x198 [ 886.220581] [] ? up_write+0x8c/0xd9 [ 886.237345] [] ? down_write_trylock+0x100/0x100 [ 886.257264] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 886.278017] [] kernel_init_freeable+0x457/0x518 [ 886.298226] [] kernel_init+0x16/0x181 [ 886.314270] [] ret_from_fork+0x1f/0x40 [ 886.331257] [] ? rest_init+0x8f/0x8f [ 886.345868] ================================================================================ [ 886.372289] ================================================================================ [ 886.398497] UBSAN: Undefined behaviour in fs/hugetlbfs/inode.c:1188:18 [ 886.417552] member access within misaligned address ffff8800a2844ac8 for type 'struct super_block' [ 886.446015] which requires 64 byte alignment [ 886.458910] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 886.475768] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 886.504947] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa80 ffffffffb26ec5cc [ 886.528980] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 886.552666] ffff880000000010 ffff88005c9dfaa8 ffff88005c9dfa58 ffffffffb363c3e0 [ 886.574598] Call Trace: [ 886.583671] [] dump_stack+0xd7/0x132 [ 886.599384] [] ? arch_local_irq_restore+0x1b/0x1b [ 886.618483] [] ubsan_epilogue+0x12/0x53 [ 886.636859] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 886.657493] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 886.678820] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 886.699781] [] ? hugetlbfs_fill_super+0x1f7/0x7f8 [ 886.720241] [] hugetlbfs_fill_super+0x3bc/0x7f8 [ 886.743132] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 886.768979] [] ? get_anon_bdev+0x1e7/0x1e7 [ 886.785264] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 886.811762] [] mount_nodev+0x67/0x11e [ 886.830090] [] hugetlbfs_mount+0x33/0x38 [ 886.854700] [] mount_fs+0xd0/0x2ca [ 886.877673] [] vfs_kern_mount+0xa0/0x20a [ 886.923683] [] kern_mount_data+0x4b/0x9a [ 886.956879] [] init_hugetlbfs_fs+0x253/0x4c6 [ 886.981899] [] ? init_ramfs_fs+0x37/0x37 [ 887.013582] [] ? read_kcore+0x6c4/0x6c4 [ 887.041337] [] ? proc_create_data+0x15b/0x16a [ 887.067565] [] ? init_ramfs_fs+0x37/0x37 [ 887.091171] [] do_one_initcall+0x16d/0x258 [ 887.114377] [] ? initcall_blacklisted+0x198/0x198 [ 887.135124] [] ? up_write+0x8c/0xd9 [ 887.153309] [] ? down_write_trylock+0x100/0x100 [ 887.174860] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 887.197639] [] kernel_init_freeable+0x457/0x518 [ 887.221434] [] kernel_init+0x16/0x181 [ 887.237329] [] ret_from_fork+0x1f/0x40 [ 887.256378] [] ? rest_init+0x8f/0x8f [ 887.275963] ================================================================================ [ 887.305396] ================================================================================ [ 887.335365] UBSAN: Undefined behaviour in fs/hugetlbfs/inode.c:1189:23 [ 887.356029] member access within misaligned address ffff8800a2844ac8 for type 'struct super_block' [ 887.383900] which requires 64 byte alignment [ 887.397201] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 887.415385] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 887.442841] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa80 ffffffffb26ec5cc [ 887.468564] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 887.496306] ffff880000000010 ffff88005c9dfaa8 ffff88005c9dfa58 ffffffffb363c3e0 [ 887.519606] Call Trace: [ 887.529332] [] dump_stack+0xd7/0x132 [ 887.549643] [] ? arch_local_irq_restore+0x1b/0x1b [ 887.568124] [] ubsan_epilogue+0x12/0x53 [ 887.588120] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 887.609568] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 887.635958] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 887.657382] [] ? hugetlbfs_fill_super+0x1f7/0x7f8 [ 887.676595] [] hugetlbfs_fill_super+0x411/0x7f8 [ 887.697055] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 887.721723] [] ? get_anon_bdev+0x1e7/0x1e7 [ 887.737929] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 887.795731] [] mount_nodev+0x67/0x11e [ 887.828008] [] hugetlbfs_mount+0x33/0x38 [ 887.856609] [] mount_fs+0xd0/0x2ca [ 887.873648] [] vfs_kern_mount+0xa0/0x20a [ 887.889041] [] kern_mount_data+0x4b/0x9a [ 887.908071] [] init_hugetlbfs_fs+0x253/0x4c6 [ 887.927905] [] ? init_ramfs_fs+0x37/0x37 [ 887.948488] [] ? read_kcore+0x6c4/0x6c4 [ 887.963968] [] ? proc_create_data+0x15b/0x16a [ 887.983018] [] ? init_ramfs_fs+0x37/0x37 [ 888.001328] [] do_one_initcall+0x16d/0x258 [ 888.019221] [] ? initcall_blacklisted+0x198/0x198 [ 888.039397] [] ? up_write+0x8c/0xd9 [ 888.057866] [] ? down_write_trylock+0x100/0x100 [ 888.091475] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 888.123058] [] kernel_init_freeable+0x457/0x518 [ 888.152575] [] kernel_init+0x16/0x181 [ 888.179402] [] ret_from_fork+0x1f/0x40 [ 888.209405] [] ? rest_init+0x8f/0x8f [ 888.243246] ================================================================================ [ 888.293769] ================================================================================ [ 888.334873] UBSAN: Undefined behaviour in fs/hugetlbfs/inode.c:1190:14 [ 888.372693] member access within misaligned address ffff8800a2844ac8 for type 'struct super_block' [ 888.416910] which requires 64 byte alignment [ 888.433706] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 888.452996] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 888.484427] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa80 ffffffffb26ec5cc [ 888.511031] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 888.538966] ffff880000000010 ffff88005c9dfaa8 ffff88005c9dfa58 ffffffffb363c3e0 [ 888.564392] Call Trace: [ 888.570896] [] dump_stack+0xd7/0x132 [ 888.591276] [] ? arch_local_irq_restore+0x1b/0x1b [ 888.611474] [] ubsan_epilogue+0x12/0x53 [ 888.628725] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 888.650980] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 888.672651] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 888.694897] [] ? hugetlbfs_fill_super+0x1f7/0x7f8 [ 888.717491] [] hugetlbfs_fill_super+0x437/0x7f8 [ 888.736126] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 888.760076] [] ? get_anon_bdev+0x1e7/0x1e7 [ 888.778441] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 888.802875] [] mount_nodev+0x67/0x11e [ 888.820621] [] hugetlbfs_mount+0x33/0x38 [ 888.839868] [] mount_fs+0xd0/0x2ca [ 888.856340] [] vfs_kern_mount+0xa0/0x20a [ 888.873538] [] kern_mount_data+0x4b/0x9a [ 888.890624] [] init_hugetlbfs_fs+0x253/0x4c6 [ 888.908348] [] ? init_ramfs_fs+0x37/0x37 [ 888.924185] [] ? read_kcore+0x6c4/0x6c4 [ 888.942899] [] ? proc_create_data+0x15b/0x16a [ 888.967552] [] ? init_ramfs_fs+0x37/0x37 [ 888.982627] [] do_one_initcall+0x16d/0x258 [ 889.001048] [] ? initcall_blacklisted+0x198/0x198 [ 889.023160] [] ? up_write+0x8c/0xd9 [ 889.041178] [] ? down_write_trylock+0x100/0x100 [ 889.062154] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 889.088182] [] kernel_init_freeable+0x457/0x518 [ 889.109563] [] kernel_init+0x16/0x181 [ 889.127546] [] ret_from_fork+0x1f/0x40 [ 889.144139] [] ? rest_init+0x8f/0x8f [ 889.165387] ================================================================================ [ 889.199002] ================================================================================ [ 889.227688] UBSAN: Undefined behaviour in fs/hugetlbfs/inode.c:1191:11 [ 889.251859] member access within misaligned address ffff8800a2844ac8 for type 'struct super_block' [ 889.284565] which requires 64 byte alignment [ 889.302730] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 889.323383] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 889.351894] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa80 ffffffffb26ec5cc [ 889.377140] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 889.401062] ffff880000000010 ffff88005c9dfaa8 ffff88005c9dfa58 ffffffffb363c3e0 [ 889.424998] Call Trace: [ 889.433169] [] dump_stack+0xd7/0x132 [ 889.450858] [] ? arch_local_irq_restore+0x1b/0x1b [ 889.469356] [] ubsan_epilogue+0x12/0x53 [ 889.487212] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 889.508118] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 889.529869] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 889.552925] [] ? hugetlbfs_fill_super+0x1f7/0x7f8 [ 889.572512] [] hugetlbfs_fill_super+0x462/0x7f8 [ 889.592247] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 889.612118] [] ? get_anon_bdev+0x1e7/0x1e7 [ 889.631226] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 889.654395] [] mount_nodev+0x67/0x11e [ 889.672459] [] hugetlbfs_mount+0x33/0x38 [ 889.687297] [] mount_fs+0xd0/0x2ca [ 889.703675] [] vfs_kern_mount+0xa0/0x20a [ 889.721527] [] kern_mount_data+0x4b/0x9a [ 889.738456] [] init_hugetlbfs_fs+0x253/0x4c6 [ 889.756284] [] ? init_ramfs_fs+0x37/0x37 [ 889.771063] [] ? read_kcore+0x6c4/0x6c4 [ 889.788090] [] ? proc_create_data+0x15b/0x16a [ 889.804701] [] ? init_ramfs_fs+0x37/0x37 [ 889.821754] [] do_one_initcall+0x16d/0x258 [ 889.836767] [] ? initcall_blacklisted+0x198/0x198 [ 889.858120] [] ? up_write+0x8c/0xd9 [ 889.874463] [] ? down_write_trylock+0x100/0x100 [ 889.890430] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 889.916680] [] kernel_init_freeable+0x457/0x518 [ 889.937224] [] kernel_init+0x16/0x181 [ 889.955489] [] ret_from_fork+0x1f/0x40 [ 889.971769] [] ? rest_init+0x8f/0x8f [ 889.990269] ================================================================================ [ 890.021065] ================================================================================ [ 890.049884] UBSAN: Undefined behaviour in fs/hugetlbfs/inode.c:1192:18 [ 890.072611] member access within misaligned address ffff8800a2844ac8 for type 'struct super_block' [ 890.101928] which requires 64 byte alignment [ 890.118152] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 890.140604] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 890.172593] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa80 ffffffffb26ec5cc [ 890.194777] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 890.218777] ffff880000000010 ffff88005c9dfaa8 ffff88005c9dfa58 ffffffffb363c3e0 [ 890.242343] Call Trace: [ 890.251112] [] dump_stack+0xd7/0x132 [ 890.269197] [] ? arch_local_irq_restore+0x1b/0x1b [ 890.287747] [] ubsan_epilogue+0x12/0x53 [ 890.307618] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 890.332074] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 890.356140] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 890.376320] [] ? hugetlbfs_fill_super+0x1f7/0x7f8 [ 890.398793] [] hugetlbfs_fill_super+0x48c/0x7f8 [ 890.421886] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 890.450453] [] ? get_anon_bdev+0x1e7/0x1e7 [ 890.469970] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 890.496413] [] mount_nodev+0x67/0x11e [ 890.516032] [] hugetlbfs_mount+0x33/0x38 [ 890.537259] [] mount_fs+0xd0/0x2ca [ 890.554276] [] vfs_kern_mount+0xa0/0x20a [ 890.577627] [] kern_mount_data+0x4b/0x9a [ 890.595334] [] init_hugetlbfs_fs+0x253/0x4c6 [ 890.618724] [] ? init_ramfs_fs+0x37/0x37 [ 890.638188] [] ? read_kcore+0x6c4/0x6c4 [ 890.659443] [] ? proc_create_data+0x15b/0x16a [ 890.681619] [] ? init_ramfs_fs+0x37/0x37 [ 890.702144] [] do_one_initcall+0x16d/0x258 [ 890.724350] [] ? initcall_blacklisted+0x198/0x198 [ 890.747037] [] ? up_write+0x8c/0xd9 [ 890.767639] [] ? down_write_trylock+0x100/0x100 [ 890.789599] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 890.811352] [] kernel_init_freeable+0x457/0x518 [ 890.830099] [] kernel_init+0x16/0x181 [ 890.847675] [] ret_from_fork+0x1f/0x40 [ 890.862636] [] ? rest_init+0x8f/0x8f [ 890.880846] ================================================================================ [ 890.909335] ================================================================================ [ 890.936650] UBSAN: Undefined behaviour in ./include/linux/hugetlb.h:258:11 [ 890.957770] member access within misaligned address ffff8800a2844ac8 for type 'struct super_block' [ 890.984231] which requires 64 byte alignment [ 890.996606] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 891.012898] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 891.040867] 00000000ffffffff 00000000b1a89c60 ffff88005c9df968 ffffffffb26ec5cc [ 891.067217] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 891.091827] 0000000000000010 ffff88005c9df990 ffff88005c9df940 ffffffffb363c3e0 [ 891.118044] Call Trace: [ 891.125551] [] dump_stack+0xd7/0x132 [ 891.142115] [] ? arch_local_irq_restore+0x1b/0x1b [ 891.162829] [] ubsan_epilogue+0x12/0x53 [ 891.182991] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 891.208585] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 891.232947] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 891.256331] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 891.277379] [] ? pages_per_huge_page+0x60/0x60 [ 891.297554] [] hugetlbfs_alloc_inode+0x33/0x20f [ 891.318390] [] ? pages_per_huge_page+0x60/0x60 [ 891.339832] [] alloc_inode+0xa8/0x1e5 [ 891.357219] [] new_inode_pseudo+0x6d/0x15b [ 891.376273] [] ? prune_icache_sb+0x12b/0x12b [ 891.396898] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 891.419774] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 891.441072] [] ? hugetlbfs_fill_super+0x1f7/0x7f8 [ 891.459853] [] new_inode+0x24/0x45 [ 891.478341] [] hugetlbfs_fill_super+0x4aa/0x7f8 [ 891.500003] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 891.527006] [] ? get_anon_bdev+0x1e7/0x1e7 [ 891.542382] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 891.567790] [] mount_nodev+0x67/0x11e [ 891.584360] [] hugetlbfs_mount+0x33/0x38 [ 891.600477] [] mount_fs+0xd0/0x2ca [ 891.615350] [] vfs_kern_mount+0xa0/0x20a [ 891.632789] [] kern_mount_data+0x4b/0x9a [ 891.650560] [] init_hugetlbfs_fs+0x253/0x4c6 [ 891.667330] [] ? init_ramfs_fs+0x37/0x37 [ 891.682623] [] ? read_kcore+0x6c4/0x6c4 [ 891.699495] [] ? proc_create_data+0x15b/0x16a [ 891.717571] [] ? init_ramfs_fs+0x37/0x37 [ 891.734570] [] do_one_initcall+0x16d/0x258 [ 891.751102] [] ? initcall_blacklisted+0x198/0x198 [ 891.768623] [] ? up_write+0x8c/0xd9 [ 891.783937] [] ? down_write_trylock+0x100/0x100 [ 891.803549] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 891.824049] [] kernel_init_freeable+0x457/0x518 [ 891.839930] [] kernel_init+0x16/0x181 [ 891.855850] [] ret_from_fork+0x1f/0x40 [ 891.874625] [] ? rest_init+0x8f/0x8f [ 891.892646] ================================================================================ [ 891.918642] ================================================================================ [ 891.941445] UBSAN: Undefined behaviour in fs/hugetlbfs/inode.c:1193:13 [ 891.959304] member access within misaligned address ffff8800a2844ac8 for type 'struct super_block' [ 891.985251] which requires 64 byte alignment [ 891.996139] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 892.015829] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 892.042364] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa80 ffffffffb26ec5cc [ 892.062814] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 892.082624] 0020000000000010 ffff88005c9dfaa8 ffff88005c9dfa58 ffffffffb363c3e0 [ 892.106271] Call Trace: [ 892.112139] [] dump_stack+0xd7/0x132 [ 892.127665] [] ? arch_local_irq_restore+0x1b/0x1b [ 892.142858] [] ubsan_epilogue+0x12/0x53 [ 892.159630] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 892.176446] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 892.197455] [] hugetlbfs_fill_super+0x78b/0x7f8 [ 892.217738] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 892.236981] [] ? get_anon_bdev+0x1e7/0x1e7 [ 892.252954] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 892.279049] [] mount_nodev+0x67/0x11e [ 892.294396] [] hugetlbfs_mount+0x33/0x38 [ 892.309297] [] mount_fs+0xd0/0x2ca [ 892.323638] [] vfs_kern_mount+0xa0/0x20a [ 892.338575] [] kern_mount_data+0x4b/0x9a [ 892.357920] [] init_hugetlbfs_fs+0x253/0x4c6 [ 892.377426] [] ? init_ramfs_fs+0x37/0x37 [ 892.395002] [] ? read_kcore+0x6c4/0x6c4 [ 892.414126] [] ? proc_create_data+0x15b/0x16a [ 892.434177] [] ? init_ramfs_fs+0x37/0x37 [ 892.453438] [] do_one_initcall+0x16d/0x258 [ 892.473237] [] ? initcall_blacklisted+0x198/0x198 [ 892.494473] [] ? up_write+0x8c/0xd9 [ 892.511225] [] ? down_write_trylock+0x100/0x100 [ 892.531475] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 892.552852] [] kernel_init_freeable+0x457/0x518 [ 892.573482] [] kernel_init+0x16/0x181 [ 892.589757] [] ret_from_fork+0x1f/0x40 [ 892.607538] [] ? rest_init+0x8f/0x8f [ 892.624241] ================================================================================ [ 892.651940] ================================================================================ [ 892.678700] UBSAN: Undefined behaviour in fs/hugetlbfs/inode.c:1194:9 [ 892.699938] member access within misaligned address ffff8800a2844ac8 for type 'struct super_block' [ 892.726617] which requires 64 byte alignment [ 892.739712] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 892.762324] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 892.793301] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa80 ffffffffb26ec5cc [ 892.818901] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 892.850638] ffff880000000010 ffff88005c9dfaa8 ffff88005c9dfa58 ffffffffb363c3e0 [ 892.888615] Call Trace: [ 892.897654] [] dump_stack+0xd7/0x132 [ 892.915354] [] ? arch_local_irq_restore+0x1b/0x1b [ 892.938535] [] ubsan_epilogue+0x12/0x53 [ 892.955754] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 892.978291] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 892.998178] [] hugetlbfs_fill_super+0x79f/0x7f8 [ 893.021019] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 893.043956] [] ? get_anon_bdev+0x1e7/0x1e7 [ 893.065100] [] ? hugetlbfs_parse_options.constprop.5+0x761/0x761 [ 893.093064] [] mount_nodev+0x67/0x11e [ 893.113968] [] hugetlbfs_mount+0x33/0x38 [ 893.134337] [] mount_fs+0xd0/0x2ca [ 893.152023] [] vfs_kern_mount+0xa0/0x20a [ 893.175169] [] kern_mount_data+0x4b/0x9a [ 893.194055] [] init_hugetlbfs_fs+0x253/0x4c6 [ 893.245353] [] ? init_ramfs_fs+0x37/0x37 [ 893.281524] [] ? read_kcore+0x6c4/0x6c4 [ 893.312764] [] ? proc_create_data+0x15b/0x16a [ 893.348423] [] ? init_ramfs_fs+0x37/0x37 [ 893.381462] [] do_one_initcall+0x16d/0x258 [ 893.414458] [] ? initcall_blacklisted+0x198/0x198 [ 893.444715] [] ? up_write+0x8c/0xd9 [ 893.463143] [] ? down_write_trylock+0x100/0x100 [ 893.494687] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 893.520418] [] kernel_init_freeable+0x457/0x518 [ 893.543937] [] kernel_init+0x16/0x181 [ 893.570902] [] ret_from_fork+0x1f/0x40 [ 893.602165] [] ? rest_init+0x8f/0x8f [ 893.620635] ================================================================================ [ 893.655899] ================================================================================ [ 893.690132] UBSAN: Undefined behaviour in security/apparmor/apparmorfs.c:1708:14 [ 893.718719] member access within misaligned address ffff8800a2843818 for type 'struct super_block' [ 893.751714] which requires 64 byte alignment [ 893.768256] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 893.787677] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 893.823932] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc38 ffffffffb26ec5cc [ 893.851250] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 893.875310] ffff880000000010 ffff88005c9dfc60 ffff88005c9dfc10 ffffffffb363c3e0 [ 893.902153] Call Trace: [ 893.910270] [] dump_stack+0xd7/0x132 [ 893.932798] [] ? arch_local_irq_restore+0x1b/0x1b [ 893.956435] [] ubsan_epilogue+0x12/0x53 [ 893.975599] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 893.999637] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 894.025531] [] ? __aa_fs_ns_mkdir+0x5dd/0x5ed [ 894.044311] [] aa_create_aafs+0x329/0x6d7 [ 894.063072] [] ? init_hugetlbfs_fs+0x47f/0x4c6 [ 894.085928] [] ? aa_destroy_aafs+0x17/0x17 [ 894.104155] [] ? init_ramfs_fs+0x37/0x37 [ 894.119615] [] ? read_kcore+0x6c4/0x6c4 [ 894.137991] [] ? proc_create_data+0x15b/0x16a [ 894.155466] [] ? aa_destroy_aafs+0x17/0x17 [ 894.175721] [] do_one_initcall+0x16d/0x258 [ 894.194633] [] ? initcall_blacklisted+0x198/0x198 [ 894.217855] [] ? up_write+0x8c/0xd9 [ 894.232645] [] ? down_write_trylock+0x100/0x100 [ 894.253298] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 894.273142] [] kernel_init_freeable+0x457/0x518 [ 894.294838] [] kernel_init+0x16/0x181 [ 894.313379] [] ret_from_fork+0x1f/0x40 [ 894.330667] [] ? rest_init+0x8f/0x8f [ 894.352120] ================================================================================ [ 894.379087] ================================================================================ [ 894.415688] UBSAN: Undefined behaviour in fs/super.c:483:22 [ 894.442851] member access within misaligned address ffff8800a2843818 for type 'struct super_block' [ 894.483508] which requires 64 byte alignment [ 894.500911] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 894.519099] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 894.549259] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9b8 ffffffffb26ec5cc [ 894.573961] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 894.605218] ffff880000000010 ffff88005c9df9e0 ffff88005c9df990 ffffffffb363c3e0 [ 894.652860] Call Trace: [ 894.665428] [] dump_stack+0xd7/0x132 [ 894.726484] [] ? arch_local_irq_restore+0x1b/0x1b [ 894.788380] [] ubsan_epilogue+0x12/0x53 [ 894.816670] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 894.849089] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 894.890341] [] ? find_next_bit+0x3e/0x48 [ 894.931086] [] sget_userns+0x87d/0xcbc [ 894.952110] [] ? get_anon_bdev+0x1e7/0x1e7 [ 894.971665] [] ? queued_spin_unlock+0x1b/0x1b [ 894.991682] [] ? pcpu_balance_workfn+0xe7b/0xe7b [ 895.014452] [] ? get_super_thawed+0x211/0x211 [ 895.040303] [] ? idr_get_empty_slot+0xe96/0xe96 [ 895.069667] [] ? kmem_cache_alloc+0x20f/0x33f [ 895.105456] [] ? ida_pre_get+0x75/0x217 [ 895.125192] [] ? __init_waitqueue_head+0xda/0x111 [ 895.146266] [] ? queued_spin_unlock+0x1b/0x1b [ 895.170376] [] ? get_anon_bdev+0x1e7/0x1e7 [ 895.189172] [] sget+0xae/0xe3 [ 895.201548] [] ? get_sb+0x38/0x38 [ 895.220032] [] mount_single+0x43/0x176 [ 895.237480] [] get_sb+0x33/0x38 [ 895.252137] [] mount_fs+0xd0/0x2ca [ 895.270988] [] vfs_kern_mount+0xa0/0x20a [ 895.291387] [] simple_pin_fs+0x9d/0x1b5 [ 895.308915] [] aa_create_aafs+0x35e/0x6d7 [ 895.326572] [] ? aa_destroy_aafs+0x17/0x17 [ 895.347161] [] ? init_ramfs_fs+0x37/0x37 [ 895.364158] [] ? read_kcore+0x6c4/0x6c4 [ 895.383737] [] ? proc_create_data+0x15b/0x16a [ 895.406090] [] ? aa_destroy_aafs+0x17/0x17 [ 895.427031] [] do_one_initcall+0x16d/0x258 [ 895.446398] [] ? initcall_blacklisted+0x198/0x198 [ 895.466750] [] ? up_write+0x8c/0xd9 [ 895.483325] [] ? down_write_trylock+0x100/0x100 [ 895.502723] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 895.523368] [] kernel_init_freeable+0x457/0x518 [ 895.542783] [] kernel_init+0x16/0x181 [ 895.563075] [] ret_from_fork+0x1f/0x40 [ 895.583303] [] ? rest_init+0x8f/0x8f [ 895.602360] ================================================================================ [ 895.627705] ================================================================================ [ 895.653742] UBSAN: Undefined behaviour in fs/super.c:362:3 [ 895.670539] member access within misaligned address ffff8800a2843818 for type 'struct super_block' [ 895.701767] which requires 64 byte alignment [ 895.715524] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 895.734478] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 895.767804] 00000000ffffffff 00000000b1a89c60 ffff88005c9df978 ffffffffb26ec5cc [ 895.792299] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 895.821196] 1ffff10000000010 ffff88005c9df9a0 ffff88005c9df950 ffffffffb363c3e0 [ 895.847092] Call Trace: [ 895.855045] [] dump_stack+0xd7/0x132 [ 895.872566] [] ? arch_local_irq_restore+0x1b/0x1b [ 895.895470] [] ubsan_epilogue+0x12/0x53 [ 895.914497] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 895.938294] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 895.959566] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 895.983235] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 896.009614] [] grab_super+0x34/0x184 [ 896.028908] [] ? sget_userns+0x889/0xcbc [ 896.046592] [] sget_userns+0x8b9/0xcbc [ 896.063198] [] ? get_anon_bdev+0x1e7/0x1e7 [ 896.081451] [] ? queued_spin_unlock+0x1b/0x1b [ 896.104290] [] ? pcpu_balance_workfn+0xe7b/0xe7b [ 896.129272] [] ? get_super_thawed+0x211/0x211 [ 896.154634] [] ? idr_get_empty_slot+0xe96/0xe96 [ 896.177424] [] ? kmem_cache_alloc+0x20f/0x33f [ 896.204675] [] ? ida_pre_get+0x75/0x217 [ 896.228261] [] ? __init_waitqueue_head+0xda/0x111 [ 896.252109] [] ? queued_spin_unlock+0x1b/0x1b [ 896.275454] [] ? get_anon_bdev+0x1e7/0x1e7 [ 896.294353] [] sget+0xae/0xe3 [ 896.308645] [] ? get_sb+0x38/0x38 [ 896.326013] [] mount_single+0x43/0x176 [ 896.340504] [] get_sb+0x33/0x38 [ 896.357988] [] mount_fs+0xd0/0x2ca [ 896.374064] [] vfs_kern_mount+0xa0/0x20a [ 896.391365] [] simple_pin_fs+0x9d/0x1b5 [ 896.408773] [] aa_create_aafs+0x35e/0x6d7 [ 896.427215] [] ? aa_destroy_aafs+0x17/0x17 [ 896.445189] [] ? init_ramfs_fs+0x37/0x37 [ 896.462792] [] ? read_kcore+0x6c4/0x6c4 [ 896.480544] [] ? proc_create_data+0x15b/0x16a [ 896.501291] [] ? aa_destroy_aafs+0x17/0x17 [ 896.526004] [] do_one_initcall+0x16d/0x258 [ 896.543317] [] ? initcall_blacklisted+0x198/0x198 [ 896.564518] [] ? up_write+0x8c/0xd9 [ 896.582470] [] ? down_write_trylock+0x100/0x100 [ 896.602500] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 896.632836] [] kernel_init_freeable+0x457/0x518 [ 896.654071] [] kernel_init+0x16/0x181 [ 896.669789] [] ret_from_fork+0x1f/0x40 [ 896.686354] [] ? rest_init+0x8f/0x8f [ 896.701533] ================================================================================ [ 896.727688] ================================================================================ [ 896.754303] UBSAN: Undefined behaviour in fs/super.c:362:12 [ 896.772063] member access within misaligned address ffff8800a2843818 for type 'struct super_block' [ 896.795654] which requires 64 byte alignment [ 896.808493] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 896.826989] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 896.857363] 00000000ffffffff 00000000b1a89c60 ffff88005c9df978 ffffffffb26ec5cc [ 896.883893] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 896.912292] ffffffff00000010 ffff88005c9df9a0 ffff88005c9df950 ffffffffb363c3e0 [ 896.938414] Call Trace: [ 896.949010] [] dump_stack+0xd7/0x132 [ 896.970689] [] ? arch_local_irq_restore+0x1b/0x1b [ 896.996908] [] ubsan_epilogue+0x12/0x53 [ 897.017470] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 897.043234] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 897.074016] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 897.099386] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 897.126844] [] grab_super+0x7a/0x184 [ 897.148386] [] ? sget_userns+0x889/0xcbc [ 897.171686] [] sget_userns+0x8b9/0xcbc [ 897.190324] [] ? get_anon_bdev+0x1e7/0x1e7 [ 897.207243] [] ? queued_spin_unlock+0x1b/0x1b [ 897.229128] [] ? pcpu_balance_workfn+0xe7b/0xe7b [ 897.248497] [] ? get_super_thawed+0x211/0x211 [ 897.267677] [] ? idr_get_empty_slot+0xe96/0xe96 [ 897.283086] [] ? kmem_cache_alloc+0x20f/0x33f [ 897.304299] [] ? ida_pre_get+0x75/0x217 [ 897.324683] [] ? __init_waitqueue_head+0xda/0x111 [ 897.346450] [] ? queued_spin_unlock+0x1b/0x1b [ 897.366953] [] ? get_anon_bdev+0x1e7/0x1e7 [ 897.387670] [] sget+0xae/0xe3 [ 897.405504] [] ? get_sb+0x38/0x38 [ 897.421182] [] mount_single+0x43/0x176 [ 897.442669] [] get_sb+0x33/0x38 [ 897.460288] [] mount_fs+0xd0/0x2ca [ 897.479380] [] vfs_kern_mount+0xa0/0x20a [ 897.502445] [] simple_pin_fs+0x9d/0x1b5 [ 897.520839] [] aa_create_aafs+0x35e/0x6d7 [ 897.541180] [] ? aa_destroy_aafs+0x17/0x17 [ 897.561014] [] ? init_ramfs_fs+0x37/0x37 [ 897.582696] [] ? read_kcore+0x6c4/0x6c4 [ 897.604185] [] ? proc_create_data+0x15b/0x16a [ 897.628730] [] ? aa_destroy_aafs+0x17/0x17 [ 897.649924] [] do_one_initcall+0x16d/0x258 [ 897.671675] [] ? initcall_blacklisted+0x198/0x198 [ 897.696420] [] ? up_write+0x8c/0xd9 [ 897.715593] [] ? down_write_trylock+0x100/0x100 [ 897.739004] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 897.759042] [] kernel_init_freeable+0x457/0x518 [ 897.786587] [] kernel_init+0x16/0x181 [ 897.803049] [] ret_from_fork+0x1f/0x40 [ 897.820312] [] ? rest_init+0x8f/0x8f [ 897.835271] ================================================================================ [ 897.862881] ================================================================================ [ 897.889430] UBSAN: Undefined behaviour in fs/super.c:365:8 [ 897.907380] member access within misaligned address ffff8800a2843818 for type 'struct super_block' [ 898.004699] which requires 64 byte alignment [ 898.019440] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 898.041505] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 898.079125] 00000000ffffffff 00000000b1a89c60 ffff88005c9df978 ffffffffb26ec5cc [ 898.103108] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 898.124163] ffffffff00000010 ffff88005c9df9a0 ffff88005c9df950 ffffffffb363c3e0 [ 898.146811] Call Trace: [ 898.155633] [] dump_stack+0xd7/0x132 [ 898.170235] [] ? arch_local_irq_restore+0x1b/0x1b [ 898.191371] [] ubsan_epilogue+0x12/0x53 [ 898.206981] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 898.229266] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 898.251358] [] ? __down_timeout+0x18/0x18 [ 898.272217] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 898.295857] [] grab_super+0xb2/0x184 [ 898.317104] [] ? sget_userns+0x889/0xcbc [ 898.332397] [] sget_userns+0x8b9/0xcbc [ 898.352094] [] ? get_anon_bdev+0x1e7/0x1e7 [ 898.371045] [] ? queued_spin_unlock+0x1b/0x1b [ 898.390556] [] ? pcpu_balance_workfn+0xe7b/0xe7b [ 898.409108] [] ? get_super_thawed+0x211/0x211 [ 898.426927] [] ? idr_get_empty_slot+0xe96/0xe96 [ 898.447393] [] ? kmem_cache_alloc+0x20f/0x33f [ 898.464378] [] ? ida_pre_get+0x75/0x217 [ 898.485405] [] ? __init_waitqueue_head+0xda/0x111 [ 898.506317] [] ? queued_spin_unlock+0x1b/0x1b [ 898.525761] [] ? get_anon_bdev+0x1e7/0x1e7 [ 898.542963] [] sget+0xae/0xe3 [ 898.557454] [] ? get_sb+0x38/0x38 [ 898.574810] [] mount_single+0x43/0x176 [ 898.591760] [] get_sb+0x33/0x38 [ 898.608312] [] mount_fs+0xd0/0x2ca [ 898.623514] [] vfs_kern_mount+0xa0/0x20a [ 898.643752] [] simple_pin_fs+0x9d/0x1b5 [ 898.658254] [] aa_create_aafs+0x35e/0x6d7 [ 898.675903] [] ? aa_destroy_aafs+0x17/0x17 [ 898.694591] [] ? init_ramfs_fs+0x37/0x37 [ 898.711847] [] ? read_kcore+0x6c4/0x6c4 [ 898.730407] [] ? proc_create_data+0x15b/0x16a [ 898.749537] [] ? aa_destroy_aafs+0x17/0x17 [ 898.767284] [] do_one_initcall+0x16d/0x258 [ 898.784427] [] ? initcall_blacklisted+0x198/0x198 [ 898.807637] [] ? up_write+0x8c/0xd9 [ 898.824208] [] ? down_write_trylock+0x100/0x100 [ 898.844853] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 898.865574] [] kernel_init_freeable+0x457/0x518 [ 898.883840] [] kernel_init+0x16/0x181 [ 898.901507] [] ret_from_fork+0x1f/0x40 [ 898.920384] [] ? rest_init+0x8f/0x8f [ 898.937371] ================================================================================ [ 898.961126] ================================================================================ [ 898.988753] UBSAN: Undefined behaviour in fs/super.c:272:11 [ 899.002168] member access within misaligned address ffff8800a2843818 for type 'struct super_block' [ 899.030105] which requires 64 byte alignment [ 899.043770] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 899.062132] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 899.089112] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8d8 ffffffffb26ec5cc [ 899.108174] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 899.128634] ffffffff00000010 ffff88005c9df900 ffff88005c9df8b0 ffffffffb363c3e0 [ 899.150715] Call Trace: [ 899.157833] [] dump_stack+0xd7/0x132 [ 899.174577] [] ? arch_local_irq_restore+0x1b/0x1b [ 899.193803] [] ubsan_epilogue+0x12/0x53 [ 899.210263] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 899.230415] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 899.250625] [] ? arch_local_irq_restore+0x6/0xd [ 899.269862] [] __put_super+0x7c/0x180 [ 899.285718] [] ? __sb_start_write+0x76/0x76 [ 899.304143] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 899.328547] [] ? __down_timeout+0x18/0x18 [ 899.345199] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 899.362805] [] put_super+0x26/0x35 [ 899.378568] [] grab_super+0x158/0x184 [ 899.394304] [] sget_userns+0x8b9/0xcbc [ 899.409276] [] ? get_anon_bdev+0x1e7/0x1e7 [ 899.427467] [] ? queued_spin_unlock+0x1b/0x1b [ 899.445624] [] ? pcpu_balance_workfn+0xe7b/0xe7b [ 899.461154] [] ? get_super_thawed+0x211/0x211 [ 899.481466] [] ? idr_get_empty_slot+0xe96/0xe96 [ 899.499324] [] ? kmem_cache_alloc+0x20f/0x33f [ 899.517215] [] ? ida_pre_get+0x75/0x217 [ 899.532393] [] ? __init_waitqueue_head+0xda/0x111 [ 899.551194] [] ? queued_spin_unlock+0x1b/0x1b [ 899.566399] [] ? get_anon_bdev+0x1e7/0x1e7 [ 899.586497] [] sget+0xae/0xe3 [ 899.600286] [] ? get_sb+0x38/0x38 [ 899.614374] [] mount_single+0x43/0x176 [ 899.629183] [] get_sb+0x33/0x38 [ 899.642420] [] mount_fs+0xd0/0x2ca [ 899.657662] [] vfs_kern_mount+0xa0/0x20a [ 899.674269] [] simple_pin_fs+0x9d/0x1b5 [ 899.689298] [] aa_create_aafs+0x35e/0x6d7 [ 899.706802] [] ? aa_destroy_aafs+0x17/0x17 [ 899.723012] [] ? init_ramfs_fs+0x37/0x37 [ 899.741768] [] ? read_kcore+0x6c4/0x6c4 [ 899.755897] [] ? proc_create_data+0x15b/0x16a [ 899.773099] [] ? aa_destroy_aafs+0x17/0x17 [ 899.788730] [] do_one_initcall+0x16d/0x258 [ 899.805681] [] ? initcall_blacklisted+0x198/0x198 [ 899.827101] [] ? up_write+0x8c/0xd9 [ 899.840701] [] ? down_write_trylock+0x100/0x100 [ 899.858272] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 899.877379] [] kernel_init_freeable+0x457/0x518 [ 899.895355] [] kernel_init+0x16/0x181 [ 899.911401] [] ret_from_fork+0x1f/0x40 [ 899.927928] [] ? rest_init+0x8f/0x8f [ 899.945361] ================================================================================ [ 899.972864] ================================================================================ [ 900.004132] UBSAN: Undefined behaviour in fs/super.c:272:5 [ 900.021478] member access within misaligned address ffff8800a2843818 for type 'struct super_block' [ 900.052735] which requires 64 byte alignment [ 900.066641] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 900.084728] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 900.111273] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8d8 ffffffffb26ec5cc [ 900.131152] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 900.153704] ffffffff00000010 ffff88005c9df900 ffff88005c9df8b0 ffffffffb363c3e0 [ 900.177958] Call Trace: [ 900.185510] [] dump_stack+0xd7/0x132 [ 900.201672] [] ? arch_local_irq_restore+0x1b/0x1b [ 900.220952] [] ubsan_epilogue+0x12/0x53 [ 900.237893] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 900.259582] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 900.278232] [] ? arch_local_irq_restore+0x6/0xd [ 900.297672] [] __put_super+0xc2/0x180 [ 900.313429] [] ? __sb_start_write+0x76/0x76 [ 900.331669] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 900.352220] [] ? __down_timeout+0x18/0x18 [ 900.366487] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 900.388694] [] put_super+0x26/0x35 [ 900.403590] [] grab_super+0x158/0x184 [ 900.420129] [] sget_userns+0x8b9/0xcbc [ 900.438799] [] ? get_anon_bdev+0x1e7/0x1e7 [ 900.454890] [] ? queued_spin_unlock+0x1b/0x1b [ 900.473010] [] ? pcpu_balance_workfn+0xe7b/0xe7b [ 900.492947] [] ? get_super_thawed+0x211/0x211 [ 900.509540] [] ? idr_get_empty_slot+0xe96/0xe96 [ 900.530356] [] ? kmem_cache_alloc+0x20f/0x33f [ 900.547427] [] ? ida_pre_get+0x75/0x217 [ 900.563830] [] ? __init_waitqueue_head+0xda/0x111 [ 900.579180] [] ? queued_spin_unlock+0x1b/0x1b [ 900.597826] [] ? get_anon_bdev+0x1e7/0x1e7 [ 900.615319] [] sget+0xae/0xe3 [ 900.630450] [] ? get_sb+0x38/0x38 [ 900.647285] [] mount_single+0x43/0x176 [ 900.660985] [] get_sb+0x33/0x38 [ 900.677835] [] mount_fs+0xd0/0x2ca [ 900.692228] [] vfs_kern_mount+0xa0/0x20a [ 900.707649] [] simple_pin_fs+0x9d/0x1b5 [ 900.722666] [] aa_create_aafs+0x35e/0x6d7 [ 900.739512] [] ? aa_destroy_aafs+0x17/0x17 [ 900.755113] [] ? init_ramfs_fs+0x37/0x37 [ 900.771876] [] ? read_kcore+0x6c4/0x6c4 [ 900.790192] [] ? proc_create_data+0x15b/0x16a [ 900.806662] [] ? aa_destroy_aafs+0x17/0x17 [ 900.823687] [] do_one_initcall+0x16d/0x258 [ 900.841825] [] ? initcall_blacklisted+0x198/0x198 [ 900.862337] [] ? up_write+0x8c/0xd9 [ 900.877380] [] ? down_write_trylock+0x100/0x100 [ 900.895277] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 900.914064] [] kernel_init_freeable+0x457/0x518 [ 900.932687] [] kernel_init+0x16/0x181 [ 900.949386] [] ret_from_fork+0x1f/0x40 [ 900.964695] [] ? rest_init+0x8f/0x8f [ 900.977397] ================================================================================ [ 900.999985] ================================================================================ [ 901.025580] UBSAN: Undefined behaviour in fs/super.c:272:11 [ 901.040420] member access within misaligned address ffff8800a2843818 for type 'struct super_block' [ 901.066940] which requires 64 byte alignment [ 901.078493] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 901.097670] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 901.126567] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8d8 ffffffffb26ec5cc [ 901.147402] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 901.172106] ffffffff00000010 ffff88005c9df900 ffff88005c9df8b0 ffffffffb363c3e0 [ 901.193415] Call Trace: [ 901.199036] [] dump_stack+0xd7/0x132 [ 901.212187] [] ? arch_local_irq_restore+0x1b/0x1b [ 901.229810] [] ubsan_epilogue+0x12/0x53 [ 901.246254] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 901.264410] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 901.287160] [] ? arch_local_irq_restore+0x6/0xd [ 901.308301] [] __put_super+0xe2/0x180 [ 901.325457] [] ? __sb_start_write+0x76/0x76 [ 901.343534] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 901.362183] [] ? __down_timeout+0x18/0x18 [ 901.377351] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 901.406577] [] put_super+0x26/0x35 [ 901.420131] [] grab_super+0x158/0x184 [ 901.433155] [] sget_userns+0x8b9/0xcbc [ 901.458598] [] ? get_anon_bdev+0x1e7/0x1e7 [ 901.475463] [] ? queued_spin_unlock+0x1b/0x1b [ 901.495220] [] ? pcpu_balance_workfn+0xe7b/0xe7b [ 901.511587] [] ? get_super_thawed+0x211/0x211 [ 901.530869] [] ? idr_get_empty_slot+0xe96/0xe96 [ 901.550454] [] ? kmem_cache_alloc+0x20f/0x33f [ 901.568748] [] ? ida_pre_get+0x75/0x217 [ 901.587953] [] ? __init_waitqueue_head+0xda/0x111 [ 901.606497] [] ? queued_spin_unlock+0x1b/0x1b [ 901.623141] [] ? get_anon_bdev+0x1e7/0x1e7 [ 901.639268] [] sget+0xae/0xe3 [ 901.653765] [] ? get_sb+0x38/0x38 [ 901.667619] [] mount_single+0x43/0x176 [ 901.681827] [] get_sb+0x33/0x38 [ 901.697137] [] mount_fs+0xd0/0x2ca [ 901.711075] [] vfs_kern_mount+0xa0/0x20a [ 901.728026] [] simple_pin_fs+0x9d/0x1b5 [ 901.744914] [] aa_create_aafs+0x35e/0x6d7 [ 901.762969] [] ? aa_destroy_aafs+0x17/0x17 [ 901.778494] [] ? init_ramfs_fs+0x37/0x37 [ 901.797572] [] ? read_kcore+0x6c4/0x6c4 [ 901.816411] [] ? proc_create_data+0x15b/0x16a [ 901.833243] [] ? aa_destroy_aafs+0x17/0x17 [ 901.852668] [] do_one_initcall+0x16d/0x258 [ 901.869274] [] ? initcall_blacklisted+0x198/0x198 [ 901.886474] [] ? up_write+0x8c/0xd9 [ 901.901039] [] ? down_write_trylock+0x100/0x100 [ 901.919804] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 901.938973] [] kernel_init_freeable+0x457/0x518 [ 901.956999] [] kernel_init+0x16/0x181 [ 901.972707] [] ret_from_fork+0x1f/0x40 [ 901.988457] [] ? rest_init+0x8f/0x8f [ 902.003599] ================================================================================ [ 902.029711] ================================================================================ [ 902.055326] UBSAN: Undefined behaviour in fs/super.c:766:19 [ 902.072570] member access within misaligned address ffff8800a2843818 for type 'struct super_block' [ 902.098685] which requires 64 byte alignment [ 902.110854] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 902.129521] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 902.158511] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfad0 ffffffffb26ec5cc [ 902.181880] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 902.206930] ffffffff00000010 ffff88005c9dfaf8 ffff88005c9dfaa8 ffffffffb363c3e0 [ 902.229615] Call Trace: [ 902.236699] [] dump_stack+0xd7/0x132 [ 902.254323] [] ? arch_local_irq_restore+0x1b/0x1b [ 902.273120] [] ubsan_epilogue+0x12/0x53 [ 902.289626] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 902.308474] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 902.331058] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 902.350907] [] ? get_sb+0x38/0x38 [ 902.368149] [] do_remount_sb+0x41/0x50c [ 902.383856] [] ? get_sb+0x38/0x38 [ 902.399941] [] mount_single+0x124/0x176 [ 902.415995] [] get_sb+0x33/0x38 [ 902.441823] [] mount_fs+0xd0/0x2ca [ 902.460877] [] vfs_kern_mount+0xa0/0x20a [ 902.476860] [] simple_pin_fs+0x9d/0x1b5 [ 902.493828] [] aa_create_aafs+0x35e/0x6d7 [ 902.508900] [] ? aa_destroy_aafs+0x17/0x17 [ 902.527796] [] ? init_ramfs_fs+0x37/0x37 [ 902.546432] [] ? read_kcore+0x6c4/0x6c4 [ 902.562217] [] ? proc_create_data+0x15b/0x16a [ 902.583882] [] ? aa_destroy_aafs+0x17/0x17 [ 902.605386] [] do_one_initcall+0x16d/0x258 [ 902.629644] [] ? initcall_blacklisted+0x198/0x198 [ 902.648969] [] ? up_write+0x8c/0xd9 [ 902.662788] [] ? down_write_trylock+0x100/0x100 [ 902.688557] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 902.709266] [] kernel_init_freeable+0x457/0x518 [ 902.727424] [] kernel_init+0x16/0x181 [ 902.744460] [] ret_from_fork+0x1f/0x40 [ 902.760320] [] ? rest_init+0x8f/0x8f [ 902.773834] ================================================================================ [ 902.797025] ================================================================================ [ 902.820615] UBSAN: Undefined behaviour in fs/super.c:770:30 [ 902.836311] member access within misaligned address ffff8800a2843818 for type 'struct super_block' [ 902.863338] which requires 64 byte alignment [ 902.877389] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 902.898823] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 902.931718] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfad0 ffffffffb26ec5cc [ 902.955611] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 902.975737] ffff880000000010 ffff88005c9dfaf8 ffff88005c9dfaa8 ffffffffb363c3e0 [ 903.003287] Call Trace: [ 903.013017] [] dump_stack+0xd7/0x132 [ 903.029342] [] ? arch_local_irq_restore+0x1b/0x1b [ 903.051939] [] ubsan_epilogue+0x12/0x53 [ 903.080932] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 903.100765] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 903.122770] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 903.151258] [] do_remount_sb+0x9e/0x50c [ 903.166965] [] ? get_sb+0x38/0x38 [ 903.180669] [] mount_single+0x124/0x176 [ 903.200025] [] get_sb+0x33/0x38 [ 903.211702] [] mount_fs+0xd0/0x2ca [ 903.226737] [] vfs_kern_mount+0xa0/0x20a [ 903.246455] [] simple_pin_fs+0x9d/0x1b5 [ 903.262628] [] aa_create_aafs+0x35e/0x6d7 [ 903.280455] [] ? aa_destroy_aafs+0x17/0x17 [ 903.299826] [] ? init_ramfs_fs+0x37/0x37 [ 903.315834] [] ? read_kcore+0x6c4/0x6c4 [ 903.333314] [] ? proc_create_data+0x15b/0x16a [ 903.353574] [] ? aa_destroy_aafs+0x17/0x17 [ 903.367209] [] do_one_initcall+0x16d/0x258 [ 903.384875] [] ? initcall_blacklisted+0x198/0x198 [ 903.405963] [] ? up_write+0x8c/0xd9 [ 903.420824] [] ? down_write_trylock+0x100/0x100 [ 903.435814] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 903.457822] [] kernel_init_freeable+0x457/0x518 [ 903.477287] [] kernel_init+0x16/0x181 [ 903.494987] [] ret_from_fork+0x1f/0x40 [ 903.510198] [] ? rest_init+0x8f/0x8f [ 903.525988] ================================================================================ [ 903.558821] ================================================================================ [ 903.582327] UBSAN: Undefined behaviour in mm/list_lru.c:60:10 [ 903.601807] member access within misaligned address ffff8800a35d0008 for type 'struct list_lru_node' [ 903.630482] which requires 64 byte alignment [ 903.645678] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 903.662786] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 903.693434] 00000000ffffffff 00000000b1a89c60 ffff88005c9df910 ffffffffb26ec5cc [ 903.713539] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 903.735409] ffffffff00000010 ffff88005c9df938 ffff88005c9df8e8 ffffffffb363c3e0 [ 903.762463] Call Trace: [ 903.774087] [] dump_stack+0xd7/0x132 [ 903.792742] [] ? arch_local_irq_restore+0x1b/0x1b [ 903.812653] [] ubsan_epilogue+0x12/0x53 [ 903.827450] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 903.847502] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 903.881518] [] ? vprintk_emit+0x636/0x647 [ 903.899607] [] list_lru_from_memcg_idx+0x2d/0xa6 [ 903.917215] [] __list_lru_walk_one+0x6c/0x2d5 [ 903.936153] [] ? dentry_lru_isolate+0x213/0x213 [ 903.957345] [] list_lru_walk_node+0x43/0x180 [ 903.973708] [] ? dentry_lru_isolate+0x213/0x213 [ 903.990360] [] shrink_dcache_sb+0xf5/0x1a1 [ 904.009328] [] ? shrink_dentry_list+0x52d/0x52d [ 904.025895] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 904.049329] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 904.071761] [] do_remount_sb+0x1f4/0x50c [ 904.086213] [] ? get_sb+0x38/0x38 [ 904.102298] [] mount_single+0x124/0x176 [ 904.120376] [] get_sb+0x33/0x38 [ 904.132384] [] mount_fs+0xd0/0x2ca [ 904.157254] [] vfs_kern_mount+0xa0/0x20a [ 904.172577] [] simple_pin_fs+0x9d/0x1b5 [ 904.190248] [] aa_create_aafs+0x35e/0x6d7 [ 904.207054] [] ? aa_destroy_aafs+0x17/0x17 [ 904.222048] [] ? init_ramfs_fs+0x37/0x37 [ 904.236534] [] ? read_kcore+0x6c4/0x6c4 [ 904.251095] [] ? proc_create_data+0x15b/0x16a [ 904.269993] [] ? aa_destroy_aafs+0x17/0x17 [ 904.286270] [] do_one_initcall+0x16d/0x258 [ 904.305674] [] ? initcall_blacklisted+0x198/0x198 [ 904.323191] [] ? up_write+0x8c/0xd9 [ 904.338076] [] ? down_write_trylock+0x100/0x100 [ 904.357850] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 904.377563] [] kernel_init_freeable+0x457/0x518 [ 904.397974] [] kernel_init+0x16/0x181 [ 904.415265] [] ret_from_fork+0x1f/0x40 [ 904.434423] [] ? rest_init+0x8f/0x8f [ 904.449686] ================================================================================ [ 904.474467] ================================================================================ [ 904.496700] UBSAN: Undefined behaviour in mm/list_lru.c:49:23 [ 904.514715] member access within misaligned address ffff8800a35d0008 for type 'struct list_lru_node' [ 904.542205] which requires 64 byte alignment [ 904.556275] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 904.573698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 904.602200] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a0 ffffffffb26ec5cc [ 904.624844] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 904.645143] ffffffff00000010 ffff88005c9df9c8 ffff88005c9df978 ffffffffb363c3e0 [ 904.667666] Call Trace: [ 904.675094] [] dump_stack+0xd7/0x132 [ 904.692067] [] ? arch_local_irq_restore+0x1b/0x1b [ 904.709287] [] ubsan_epilogue+0x12/0x53 [ 904.726550] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 904.747828] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 904.772669] [] ? __list_lru_walk_one+0x2c2/0x2d5 [ 904.791580] [] ? dentry_lru_isolate+0x213/0x213 [ 904.809362] [] list_lru_walk_node+0xb6/0x180 [ 904.827771] [] ? dentry_lru_isolate+0x213/0x213 [ 904.846487] [] shrink_dcache_sb+0xf5/0x1a1 [ 904.873639] [] ? shrink_dentry_list+0x52d/0x52d [ 904.895256] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 904.915452] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 904.940952] [] do_remount_sb+0x1f4/0x50c [ 904.960731] [] ? get_sb+0x38/0x38 [ 904.975318] [] mount_single+0x124/0x176 [ 904.992892] [] get_sb+0x33/0x38 [ 905.015337] [] mount_fs+0xd0/0x2ca [ 905.028001] [] vfs_kern_mount+0xa0/0x20a [ 905.043863] [] simple_pin_fs+0x9d/0x1b5 [ 905.060547] [] aa_create_aafs+0x35e/0x6d7 [ 905.078663] [] ? aa_destroy_aafs+0x17/0x17 [ 905.097166] [] ? init_ramfs_fs+0x37/0x37 [ 905.114596] [] ? read_kcore+0x6c4/0x6c4 [ 905.129680] [] ? proc_create_data+0x15b/0x16a [ 905.147530] [] ? aa_destroy_aafs+0x17/0x17 [ 905.161799] [] do_one_initcall+0x16d/0x258 [ 905.180520] [] ? initcall_blacklisted+0x198/0x198 [ 905.197794] [] ? up_write+0x8c/0xd9 [ 905.211658] [] ? down_write_trylock+0x100/0x100 [ 905.228651] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 905.247931] [] kernel_init_freeable+0x457/0x518 [ 905.265663] [] kernel_init+0x16/0x181 [ 905.294387] [] ret_from_fork+0x1f/0x40 [ 905.311569] [] ? rest_init+0x8f/0x8f [ 905.327272] ================================================================================ [ 905.350791] ================================================================================ [ 905.374936] UBSAN: Undefined behaviour in fs/super.c:803:8 [ 905.390553] member access within misaligned address ffff8800a2843818 for type 'struct super_block' [ 905.417081] which requires 64 byte alignment [ 905.427898] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 905.446833] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 905.475424] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfad0 ffffffffb26ec5cc [ 905.499285] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 905.521165] 0000000000000010 ffff88005c9dfaf8 ffff88005c9dfaa8 ffffffffb363c3e0 [ 905.547059] Call Trace: [ 905.556100] [] dump_stack+0xd7/0x132 [ 905.573607] [] ? arch_local_irq_restore+0x1b/0x1b [ 905.592851] [] ubsan_epilogue+0x12/0x53 [ 905.607075] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 905.629395] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 905.652196] [] do_remount_sb+0x26f/0x50c [ 905.668910] [] ? get_sb+0x38/0x38 [ 905.692137] [] mount_single+0x124/0x176 [ 905.708055] [] get_sb+0x33/0x38 [ 905.721726] [] mount_fs+0xd0/0x2ca [ 905.739602] [] vfs_kern_mount+0xa0/0x20a [ 905.767947] [] simple_pin_fs+0x9d/0x1b5 [ 905.801534] [] aa_create_aafs+0x35e/0x6d7 [ 905.819952] [] ? aa_destroy_aafs+0x17/0x17 [ 905.838050] [] ? init_ramfs_fs+0x37/0x37 [ 905.858234] [] ? read_kcore+0x6c4/0x6c4 [ 905.873355] [] ? proc_create_data+0x15b/0x16a [ 905.891505] [] ? aa_destroy_aafs+0x17/0x17 [ 905.906110] [] do_one_initcall+0x16d/0x258 [ 905.921037] [] ? initcall_blacklisted+0x198/0x198 [ 905.941963] [] ? up_write+0x8c/0xd9 [ 906.025521] [] ? down_write_trylock+0x100/0x100 [ 906.045478] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 906.067269] [] kernel_init_freeable+0x457/0x518 [ 906.084103] [] kernel_init+0x16/0x181 [ 906.098218] [] ret_from_fork+0x1f/0x40 [ 906.112288] [] ? rest_init+0x8f/0x8f [ 906.129636] ================================================================================ [ 906.155847] ================================================================================ [ 906.180112] UBSAN: Undefined behaviour in fs/super.c:813:19 [ 906.200081] member access within misaligned address ffff8800a2843818 for type 'struct super_block' [ 906.226465] which requires 64 byte alignment [ 906.236392] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 906.252628] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 906.296129] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfad0 ffffffffb26ec5cc [ 906.366881] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 906.407914] ffff880000000010 ffff88005c9dfaf8 ffff88005c9dfaa8 ffffffffb363c3e0 [ 906.428689] Call Trace: [ 906.436168] [] dump_stack+0xd7/0x132 [ 906.450148] [] ? arch_local_irq_restore+0x1b/0x1b [ 906.468005] [] ubsan_epilogue+0x12/0x53 [ 906.480538] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 906.501360] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 906.520428] [] do_remount_sb+0x39b/0x50c [ 906.538801] [] ? get_sb+0x38/0x38 [ 906.552754] [] mount_single+0x124/0x176 [ 906.571877] [] get_sb+0x33/0x38 [ 906.584225] [] mount_fs+0xd0/0x2ca [ 906.600288] [] vfs_kern_mount+0xa0/0x20a [ 906.618003] [] simple_pin_fs+0x9d/0x1b5 [ 906.635489] [] aa_create_aafs+0x35e/0x6d7 [ 906.653178] [] ? aa_destroy_aafs+0x17/0x17 [ 906.670098] [] ? init_ramfs_fs+0x37/0x37 [ 906.687975] [] ? read_kcore+0x6c4/0x6c4 [ 906.703944] [] ? proc_create_data+0x15b/0x16a [ 906.723336] [] ? aa_destroy_aafs+0x17/0x17 [ 906.738082] [] do_one_initcall+0x16d/0x258 [ 906.756935] [] ? initcall_blacklisted+0x198/0x198 [ 906.775608] [] ? up_write+0x8c/0xd9 [ 906.791304] [] ? down_write_trylock+0x100/0x100 [ 906.814868] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 906.835464] [] kernel_init_freeable+0x457/0x518 [ 906.854319] [] kernel_init+0x16/0x181 [ 906.870493] [] ret_from_fork+0x1f/0x40 [ 906.888752] [] ? rest_init+0x8f/0x8f [ 906.902765] ================================================================================ [ 906.928573] ================================================================================ [ 906.954176] UBSAN: Undefined behaviour in fs/super.c:813:14 [ 906.971097] member access within misaligned address ffff8800a2843818 for type 'struct super_block' [ 906.998881] which requires 64 byte alignment [ 907.012728] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 907.030824] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 907.062980] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfad0 ffffffffb26ec5cc [ 907.081736] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 907.102740] ffff880000000010 ffff88005c9dfaf8 ffff88005c9dfaa8 ffffffffb363c3e0 [ 907.124348] Call Trace: [ 907.130336] [] dump_stack+0xd7/0x132 [ 907.144444] [] ? arch_local_irq_restore+0x1b/0x1b [ 907.163053] [] ubsan_epilogue+0x12/0x53 [ 907.178395] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 907.199486] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 907.220468] [] do_remount_sb+0x3d3/0x50c [ 907.237286] [] ? get_sb+0x38/0x38 [ 907.252175] [] mount_single+0x124/0x176 [ 907.267919] [] get_sb+0x33/0x38 [ 907.280395] [] mount_fs+0xd0/0x2ca [ 907.295402] [] vfs_kern_mount+0xa0/0x20a [ 907.309629] [] simple_pin_fs+0x9d/0x1b5 [ 907.323464] [] aa_create_aafs+0x35e/0x6d7 [ 907.338712] [] ? aa_destroy_aafs+0x17/0x17 [ 907.355504] [] ? init_ramfs_fs+0x37/0x37 [ 907.371259] [] ? read_kcore+0x6c4/0x6c4 [ 907.386467] [] ? proc_create_data+0x15b/0x16a [ 907.411634] [] ? aa_destroy_aafs+0x17/0x17 [ 907.438710] [] do_one_initcall+0x16d/0x258 [ 907.457777] [] ? initcall_blacklisted+0x198/0x198 [ 907.475750] [] ? up_write+0x8c/0xd9 [ 907.491920] [] ? down_write_trylock+0x100/0x100 [ 907.511117] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 907.528083] [] kernel_init_freeable+0x457/0x518 [ 907.545760] [] kernel_init+0x16/0x181 [ 907.563246] [] ret_from_fork+0x1f/0x40 [ 907.578126] [] ? rest_init+0x8f/0x8f [ 907.593089] ================================================================================ [ 907.617553] ================================================================================ [ 907.641570] UBSAN: Undefined behaviour in fs/super.c:816:25 [ 907.657936] member access within misaligned address ffff8800a2843818 for type 'struct super_block' [ 907.685291] which requires 64 byte alignment [ 907.698170] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 907.714990] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 907.742553] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfad0 ffffffffb26ec5cc [ 907.765459] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 907.785809] ffff880000000010 ffff88005c9dfaf8 ffff88005c9dfaa8 ffffffffb363c3e0 [ 907.808086] Call Trace: [ 907.815721] [] dump_stack+0xd7/0x132 [ 907.828752] [] ? arch_local_irq_restore+0x1b/0x1b [ 907.847962] [] ubsan_epilogue+0x12/0x53 [ 907.864998] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 907.885276] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 907.907805] [] do_remount_sb+0x3f0/0x50c [ 907.924487] [] ? get_sb+0x38/0x38 [ 907.937987] [] mount_single+0x124/0x176 [ 907.955523] [] get_sb+0x33/0x38 [ 907.971475] [] mount_fs+0xd0/0x2ca [ 907.983738] [] vfs_kern_mount+0xa0/0x20a [ 908.001416] [] simple_pin_fs+0x9d/0x1b5 [ 908.017852] [] aa_create_aafs+0x35e/0x6d7 [ 908.033763] [] ? aa_destroy_aafs+0x17/0x17 [ 908.050147] [] ? init_ramfs_fs+0x37/0x37 [ 908.068282] [] ? read_kcore+0x6c4/0x6c4 [ 908.082887] [] ? proc_create_data+0x15b/0x16a [ 908.099894] [] ? aa_destroy_aafs+0x17/0x17 [ 908.116771] [] do_one_initcall+0x16d/0x258 [ 908.130941] [] ? initcall_blacklisted+0x198/0x198 [ 908.148847] [] ? up_write+0x8c/0xd9 [ 908.162869] [] ? down_write_trylock+0x100/0x100 [ 908.180879] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 908.199921] [] kernel_init_freeable+0x457/0x518 [ 908.217848] [] kernel_init+0x16/0x181 [ 908.232802] [] ret_from_fork+0x1f/0x40 [ 908.248980] [] ? rest_init+0x8f/0x8f [ 908.263291] ================================================================================ [ 908.283868] AppArmor: AppArmor Filesystem Enabled [ 908.300033] pnp: PnP ACPI init [ 908.310281] ================================================================================ [ 908.336059] UBSAN: Undefined behaviour in drivers/acpi/acpica/rscalc.c:458:4 [ 908.357996] load of misaligned address ffff8800a2daf329 for type 'u16' [ 908.376408] which requires 2 byte alignment [ 908.386709] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 908.402683] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 908.430069] 00000000ffffffff 00000000b1a89c60 ffff88005c9df708 ffffffffb26ec5cc [ 908.451505] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 908.472563] ffffffff00000010 ffff88005c9df730 ffff88005c9df6e0 ffffffffb363c3e0 [ 908.496983] Call Trace: [ 908.507966] [] dump_stack+0xd7/0x132 [ 908.522597] [] ? arch_local_irq_restore+0x1b/0x1b [ 908.542136] [] ubsan_epilogue+0x12/0x53 [ 908.558048] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 908.576553] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 908.596944] [] ? acpi_ut_validate_resource+0x2c8/0x2da [ 908.615158] [] acpi_rs_get_list_length+0x1c1/0x5df [ 908.634837] [] ? acpi_rs_get_aml_length+0x3aa/0x3aa [ 908.653203] [] acpi_rs_create_resource_list+0xf1/0x1aa [ 908.675924] [] ? acpi_buffer_to_resource+0x1cc/0x1cc [ 908.696925] [] ? acpi_ut_evaluate_object+0x315/0x32c [ 908.716853] [] ? acpi_ut_evaluate_object+0x31a/0x32c [ 908.732418] [] ? pnpacpi_count_resources+0xc3/0xc3 [ 908.751322] [] acpi_rs_get_method_data+0x94/0xdd [ 908.768310] [] ? acpi_rs_get_aei_method_data+0xdc/0xdc [ 908.788101] [] ? acpi_get_handle+0x198/0x1d1 [ 908.805564] [] ? arch_local_save_flags+0x12/0x12 [ 908.822803] [] acpi_walk_resources+0x114/0x21b [ 908.840871] [] ? acpi_rs_match_vendor_resource+0x21b/0x21b [ 908.858858] [] ? pnp_free_resources+0xb5/0xbe [ 908.876110] [] pnpacpi_parse_allocated_resource+0x8f/0xcb [ 908.897731] [] pnpacpi_add_device_handler+0x6a6/0x8b3 [ 908.916324] [] ? ispnpidacpi+0x1b7/0x1b7 [ 908.933130] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 908.952700] [] ? ispnpidacpi+0x1b7/0x1b7 [ 908.968697] [] acpi_ns_get_device_callback+0x3b1/0x40c [ 908.988299] [] ? acpi_evaluate_object_typed+0x25f/0x25f [ 909.009851] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 909.029928] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 909.049749] [] acpi_ns_walk_namespace+0x1bf/0x347 [ 909.070937] [] ? acpi_evaluate_object_typed+0x25f/0x25f [ 909.092170] [] ? ispnpidacpi+0x1b7/0x1b7 [ 909.110053] [] acpi_get_devices+0xd5/0x124 [ 909.128859] [] ? acpi_evaluate_object+0x8fa/0x8fa [ 909.146636] [] ? ispnpidacpi+0x1b7/0x1b7 [ 909.161786] [] ? pnpacpi_setup+0x4b/0x4b [ 909.175203] [] pnpacpi_init+0x6e/0x9f [ 909.189702] [] do_one_initcall+0x16d/0x258 [ 909.204396] [] ? initcall_blacklisted+0x198/0x198 [ 909.222687] [] ? up_write+0x8c/0xd9 [ 909.238419] [] ? down_write_trylock+0x100/0x100 [ 909.253318] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 909.270952] [] kernel_init_freeable+0x457/0x518 [ 909.294883] [] kernel_init+0x16/0x181 [ 909.312917] [] ret_from_fork+0x1f/0x40 [ 909.328935] [] ? rest_init+0x8f/0x8f [ 909.347757] ================================================================================ [ 909.372357] ================================================================================ [ 909.396744] UBSAN: Undefined behaviour in drivers/acpi/acpica/rsmisc.c:394:4 [ 909.415441] load of misaligned address ffff8800a2daf329 for type 'u16' [ 909.433128] which requires 2 byte alignment [ 909.445992] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 909.460633] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 909.484443] 00000000ffffffff 00000000b1a89c60 ffff88005c9df628 ffffffffb26ec5cc [ 909.506460] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 909.530286] 0000000000000010 ffff88005c9df650 ffff88005c9df600 ffffffffb363c3e0 [ 909.552277] Call Trace: [ 909.559454] [] dump_stack+0xd7/0x132 [ 909.574054] [] ? arch_local_irq_restore+0x1b/0x1b [ 909.593373] [] ubsan_epilogue+0x12/0x53 [ 909.615414] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 909.640708] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 909.665124] [] ? acpi_rs_move_data+0x1cf/0x1de [ 909.683368] [] acpi_rs_convert_aml_to_resource+0xcf5/0xe9f [ 909.703521] [] acpi_rs_convert_aml_to_resources+0x153/0x201 [ 909.726048] [] ? acpi_rs_create_aml_resources+0x1a2/0x1a2 [ 909.748212] [] acpi_ut_walk_aml_resources+0x158/0x26d [ 909.766953] [] ? acpi_ut_get_descriptor_length+0x5c/0x5c [ 909.785339] [] ? acpi_os_allocate+0x3d/0x41 [ 909.802938] [] acpi_rs_create_resource_list+0x156/0x1aa [ 909.821282] [] ? acpi_buffer_to_resource+0x1cc/0x1cc [ 909.839687] [] ? acpi_ut_evaluate_object+0x315/0x32c [ 909.856522] [] ? acpi_ut_evaluate_object+0x31a/0x32c [ 909.875951] [] ? pnpacpi_count_resources+0xc3/0xc3 [ 909.893427] [] acpi_rs_get_method_data+0x94/0xdd [ 909.911542] [] ? acpi_rs_get_aei_method_data+0xdc/0xdc [ 909.929982] [] ? acpi_get_handle+0x198/0x1d1 [ 909.953576] [] ? arch_local_save_flags+0x12/0x12 [ 909.978117] [] acpi_walk_resources+0x114/0x21b [ 910.000264] [] ? acpi_rs_match_vendor_resource+0x21b/0x21b [ 910.021277] [] ? pnp_free_resources+0xb5/0xbe [ 910.040076] [] pnpacpi_parse_allocated_resource+0x8f/0xcb [ 910.061290] [] pnpacpi_add_device_handler+0x6a6/0x8b3 [ 910.081855] [] ? ispnpidacpi+0x1b7/0x1b7 [ 910.097513] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 910.115572] [] ? ispnpidacpi+0x1b7/0x1b7 [ 910.130503] [] acpi_ns_get_device_callback+0x3b1/0x40c [ 910.148729] [] ? acpi_evaluate_object_typed+0x25f/0x25f [ 910.171007] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 910.192690] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 910.212226] [] acpi_ns_walk_namespace+0x1bf/0x347 [ 910.227942] [] ? acpi_evaluate_object_typed+0x25f/0x25f [ 910.245932] [] ? ispnpidacpi+0x1b7/0x1b7 [ 910.260929] [] acpi_get_devices+0xd5/0x124 [ 910.276564] [] ? acpi_evaluate_object+0x8fa/0x8fa [ 910.294340] [] ? ispnpidacpi+0x1b7/0x1b7 [ 910.310480] [] ? pnpacpi_setup+0x4b/0x4b [ 910.327433] [] pnpacpi_init+0x6e/0x9f [ 910.343408] [] do_one_initcall+0x16d/0x258 [ 910.359906] [] ? initcall_blacklisted+0x198/0x198 [ 910.375554] [] ? up_write+0x8c/0xd9 [ 910.389238] [] ? down_write_trylock+0x100/0x100 [ 910.407433] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 910.429063] [] kernel_init_freeable+0x457/0x518 [ 910.449074] [] kernel_init+0x16/0x181 [ 910.466315] [] ret_from_fork+0x1f/0x40 [ 910.481423] [] ? rest_init+0x8f/0x8f [ 910.497957] ================================================================================ [ 910.524042] ================================================================================ [ 910.547966] UBSAN: Undefined behaviour in drivers/acpi/acpica/rsutils.c:162:4 [ 910.566483] load of misaligned address ffff8800a2daf32d for type 'u16' [ 910.586525] which requires 2 byte alignment [ 910.599075] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 910.615107] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 910.641933] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5d0 ffffffffb26ec5cc [ 910.661580] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 910.683284] ffffffff00000010 ffff88005c9df5f8 ffff88005c9df5a8 ffffffffb363c3e0 [ 910.705670] Call Trace: [ 910.711607] [] dump_stack+0xd7/0x132 [ 910.724766] [] ? arch_local_irq_restore+0x1b/0x1b [ 910.741879] [] ubsan_epilogue+0x12/0x53 [ 910.759615] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 910.779825] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 910.799678] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 910.820621] [] acpi_rs_move_data+0xa1/0x1de [ 910.836090] [] acpi_rs_convert_aml_to_resource+0xaf6/0xe9f [ 910.856619] [] acpi_rs_convert_aml_to_resources+0x153/0x201 [ 910.875800] [] ? acpi_rs_create_aml_resources+0x1a2/0x1a2 [ 910.897006] [] acpi_ut_walk_aml_resources+0x158/0x26d [ 910.919777] [] ? acpi_ut_get_descriptor_length+0x5c/0x5c [ 910.940119] [] ? acpi_os_allocate+0x3d/0x41 [ 910.957198] [] acpi_rs_create_resource_list+0x156/0x1aa [ 910.975236] [] ? acpi_buffer_to_resource+0x1cc/0x1cc [ 910.993693] [] ? acpi_ut_evaluate_object+0x315/0x32c [ 911.011755] [] ? acpi_ut_evaluate_object+0x31a/0x32c [ 911.027913] [] ? pnpacpi_count_resources+0xc3/0xc3 [ 911.045344] [] acpi_rs_get_method_data+0x94/0xdd [ 911.066884] [] ? acpi_rs_get_aei_method_data+0xdc/0xdc [ 911.085259] [] ? acpi_get_handle+0x198/0x1d1 [ 911.105522] [] ? arch_local_save_flags+0x12/0x12 [ 911.125448] [] acpi_walk_resources+0x114/0x21b [ 911.145149] [] ? acpi_rs_match_vendor_resource+0x21b/0x21b [ 911.164623] [] ? pnp_free_resources+0xb5/0xbe [ 911.179910] [] pnpacpi_parse_allocated_resource+0x8f/0xcb [ 911.203432] [] pnpacpi_add_device_handler+0x6a6/0x8b3 [ 911.226145] [] ? ispnpidacpi+0x1b7/0x1b7 [ 911.242451] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 911.263168] [] ? ispnpidacpi+0x1b7/0x1b7 [ 911.281459] [] acpi_ns_get_device_callback+0x3b1/0x40c [ 911.300097] [] ? acpi_evaluate_object_typed+0x25f/0x25f [ 911.318498] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 911.338627] [] ? acpi_ut_release_mutex+0x18b/0x19a [ 911.354443] [] acpi_ns_walk_namespace+0x1bf/0x347 [ 911.372225] [] ? acpi_evaluate_object_typed+0x25f/0x25f [ 911.391218] [] ? ispnpidacpi+0x1b7/0x1b7 [ 911.411027] [] acpi_get_devices+0xd5/0x124 [ 911.426760] [] ? acpi_evaluate_object+0x8fa/0x8fa [ 911.445533] [] ? ispnpidacpi+0x1b7/0x1b7 [ 911.460757] [] ? pnpacpi_setup+0x4b/0x4b [ 911.477535] [] pnpacpi_init+0x6e/0x9f [ 911.492341] [] do_one_initcall+0x16d/0x258 [ 911.510819] [] ? initcall_blacklisted+0x198/0x198 [ 911.527270] [] ? up_write+0x8c/0xd9 [ 911.543369] [] ? down_write_trylock+0x100/0x100 [ 911.562464] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 911.580613] [] kernel_init_freeable+0x457/0x518 [ 911.598770] [] kernel_init+0x16/0x181 [ 911.611733] [] ret_from_fork+0x1f/0x40 [ 911.630473] [] ? rest_init+0x8f/0x8f [ 911.645962] ================================================================================ [ 911.730049] pnp: PnP ACPI: found 6 devices [ 911.942028] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 911.969162] NET: Registered protocol family 2 [ 911.981457] ================================================================================ [ 912.006138] UBSAN: Undefined behaviour in ./include/linux/inetdevice.h:222:9 [ 912.026387] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 912.051899] which requires 64 byte alignment [ 912.065380] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 912.080969] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 912.109726] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9e8 ffffffffb26ec5cc [ 912.131178] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 912.153886] ffff880000000010 ffff88005c9dfa10 ffff88005c9df9c0 ffffffffb363c3e0 [ 912.176229] Call Trace: [ 912.182969] [] dump_stack+0xd7/0x132 [ 912.196253] [] ? arch_local_irq_restore+0x1b/0x1b [ 912.213583] [] ubsan_epilogue+0x12/0x53 [ 912.231618] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 912.247633] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 912.270306] [] ? __register_sysctl_table+0xd52/0xd64 [ 912.290813] [] inetdev_event+0xdf/0xbef [ 912.310365] [] ? inetdev_init+0x369/0x369 [ 912.327440] [] ? inetdev_event+0xbef/0xbef [ 912.345038] [] ? ops_init+0x38a/0x3c8 [ 912.360931] [] ? __list_add+0x211/0x249 [ 912.375738] [] ? find_next_bit+0x3e/0x48 [ 912.390940] [] ? assoc_array_gc+0x12e7/0x12e7 [ 912.410623] [] call_netdevice_notifier+0x9c/0xcf [ 912.428432] [] ? call_netdevice_notifier+0x9c/0xcf [ 912.447816] [] ? dev_getfirstbyhwtype+0x119/0x119 [ 912.466339] [] register_netdevice_notifier+0xe6/0x350 [ 912.483677] [] devinet_init+0xa8/0x152 [ 912.501623] [] ip_rt_init+0x340/0x3e2 [ 912.517560] [] ? netfilter_log_init+0x17/0x17 [ 912.535776] [] ? rtnl_unlock+0x13/0x15 [ 912.549234] [] ? register_netdevice_notifier+0x33e/0x350 [ 912.569449] [] ip_init+0xe/0x1a [ 912.585338] [] inet_init+0x24f/0x405 [ 912.599419] [] ? ipv4_offload_init+0x76/0x76 [ 912.615978] [] ? queued_spin_unlock+0xe/0x1b [ 912.631993] [] ? dev_add_offload+0x109/0x147 [ 912.648559] [] ? ipv4_offload_init+0x76/0x76 [ 912.665132] [] do_one_initcall+0x16d/0x258 [ 912.681586] [] ? initcall_blacklisted+0x198/0x198 [ 912.699896] [] ? up_write+0x8c/0xd9 [ 912.714755] [] ? down_write_trylock+0x100/0x100 [ 912.731959] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 912.751146] [] kernel_init_freeable+0x457/0x518 [ 912.770831] [] kernel_init+0x16/0x181 [ 912.784594] [] ret_from_fork+0x1f/0x40 [ 912.800809] [] ? rest_init+0x8f/0x8f [ 912.817633] ================================================================================ [ 912.845925] ================================================================================ [ 912.869079] UBSAN: Undefined behaviour in net/core/neighbour.c:1432:31 [ 912.890975] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 912.917063] which requires 64 byte alignment [ 912.927474] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 912.944024] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 912.971167] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8a8 ffffffffb26ec5cc [ 912.994150] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 913.018260] ffff880000000010 ffff88005c9df8d0 ffff88005c9df880 ffffffffb363c3e0 [ 913.040319] Call Trace: [ 913.048514] [] dump_stack+0xd7/0x132 [ 913.066887] [] ? arch_local_irq_restore+0x1b/0x1b [ 913.085801] [] ubsan_epilogue+0x12/0x53 [ 913.099118] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 913.119148] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 913.143119] [] neigh_parms_alloc+0xcc/0x3d0 [ 913.162259] [] ? __neigh_set_probe_once+0x2de/0x2de [ 913.179695] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 913.199606] [] ? arch_local_irq_restore+0x6/0xd [ 913.220239] [] ? inetdev_init+0xb7/0x369 [ 913.234937] [] inetdev_init+0x18d/0x369 [ 913.249099] [] ? devinet_sysctl_register+0x1de/0x1de [ 913.269260] [] ? __register_sysctl_table+0xd52/0xd64 [ 913.289316] [] inetdev_event+0x14a/0xbef [ 913.304391] [] ? inetdev_init+0x369/0x369 [ 913.325046] [] ? inetdev_event+0xbef/0xbef [ 913.342682] [] ? ops_init+0x38a/0x3c8 [ 913.356862] [] ? __list_add+0x211/0x249 [ 913.372401] [] ? find_next_bit+0x3e/0x48 [ 913.389394] [] ? assoc_array_gc+0x12e7/0x12e7 [ 913.404407] [] call_netdevice_notifier+0x9c/0xcf [ 913.420961] [] ? call_netdevice_notifier+0x9c/0xcf [ 913.441299] [] ? dev_getfirstbyhwtype+0x119/0x119 [ 913.460737] [] register_netdevice_notifier+0xe6/0x350 [ 913.479525] [] devinet_init+0xa8/0x152 [ 913.495654] [] ip_rt_init+0x340/0x3e2 [ 913.511620] [] ? netfilter_log_init+0x17/0x17 [ 913.530731] [] ? rtnl_unlock+0x13/0x15 [ 913.550613] [] ? register_netdevice_notifier+0x33e/0x350 [ 913.569459] [] ip_init+0xe/0x1a [ 913.584418] [] inet_init+0x24f/0x405 [ 913.597568] [] ? ipv4_offload_init+0x76/0x76 [ 913.614418] [] ? queued_spin_unlock+0xe/0x1b [ 913.630931] [] ? dev_add_offload+0x109/0x147 [ 913.647132] [] ? ipv4_offload_init+0x76/0x76 [ 913.664043] [] do_one_initcall+0x16d/0x258 [ 913.679935] [] ? initcall_blacklisted+0x198/0x198 [ 913.698116] [] ? up_write+0x8c/0xd9 [ 913.713498] [] ? down_write_trylock+0x100/0x100 [ 913.729744] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 913.747834] [] kernel_init_freeable+0x457/0x518 [ 913.767356] [] kernel_init+0x16/0x181 [ 913.785364] [] ret_from_fork+0x1f/0x40 [ 913.800867] [] ? rest_init+0x8f/0x8f [ 913.817861] ================================================================================ [ 913.843036] ================================================================================ [ 913.867442] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:3368:2 [ 913.889776] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 913.929355] which requires 64 byte alignment [ 913.940831] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 913.956264] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 913.987601] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8a8 ffffffffb26ec5cc [ 914.015052] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 914.038230] ffff880000000010 ffff88005c9df8d0 ffff88005c9df880 ffffffffb363c3e0 [ 914.060534] Call Trace: [ 914.067009] [] dump_stack+0xd7/0x132 [ 914.082082] [] ? arch_local_irq_restore+0x1b/0x1b [ 914.099877] [] ubsan_epilogue+0x12/0x53 [ 914.119103] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 914.139543] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 914.159620] [] ? prandom_u32_state+0x200/0x2f5 [ 914.176441] [] neigh_parms_alloc+0x1c8/0x3d0 [ 914.195527] [] ? __neigh_set_probe_once+0x2de/0x2de [ 914.216006] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 914.234850] [] ? inetdev_init+0xb7/0x369 [ 914.248860] [] inetdev_init+0x18d/0x369 [ 914.267668] [] ? devinet_sysctl_register+0x1de/0x1de [ 914.289576] [] ? __register_sysctl_table+0xd52/0xd64 [ 914.305927] [] inetdev_event+0x14a/0xbef [ 914.323047] [] ? inetdev_init+0x369/0x369 [ 914.338872] [] ? inetdev_event+0xbef/0xbef [ 914.355153] [] ? ops_init+0x38a/0x3c8 [ 914.370219] [] ? __list_add+0x211/0x249 [ 914.388111] [] ? find_next_bit+0x3e/0x48 [ 914.401359] [] ? assoc_array_gc+0x12e7/0x12e7 [ 914.418433] [] call_netdevice_notifier+0x9c/0xcf [ 914.435982] [] ? call_netdevice_notifier+0x9c/0xcf [ 914.456199] [] ? dev_getfirstbyhwtype+0x119/0x119 [ 914.473159] [] register_netdevice_notifier+0xe6/0x350 [ 914.494398] [] devinet_init+0xa8/0x152 [ 914.510897] [] ip_rt_init+0x340/0x3e2 [ 914.528927] [] ? netfilter_log_init+0x17/0x17 [ 914.544576] [] ? rtnl_unlock+0x13/0x15 [ 914.559495] [] ? register_netdevice_notifier+0x33e/0x350 [ 914.580421] [] ip_init+0xe/0x1a [ 914.596933] [] inet_init+0x24f/0x405 [ 914.611634] [] ? ipv4_offload_init+0x76/0x76 [ 914.632122] [] ? queued_spin_unlock+0xe/0x1b [ 914.649282] [] ? dev_add_offload+0x109/0x147 [ 914.668119] [] ? ipv4_offload_init+0x76/0x76 [ 914.684674] [] do_one_initcall+0x16d/0x258 [ 914.699227] [] ? initcall_blacklisted+0x198/0x198 [ 914.719357] [] ? up_write+0x8c/0xd9 [ 914.732050] [] ? down_write_trylock+0x100/0x100 [ 914.751457] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 914.771874] [] kernel_init_freeable+0x457/0x518 [ 914.792072] [] kernel_init+0x16/0x181 [ 914.805992] [] ret_from_fork+0x1f/0x40 [ 914.821972] [] ? rest_init+0x8f/0x8f [ 914.838045] ================================================================================ [ 914.865369] ================================================================================ [ 914.888128] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:3368:2 [ 914.907453] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 914.932058] which requires 64 byte alignment [ 914.945265] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 914.964153] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 914.990282] 00000000ffffffff 00000000b1a89c60 ffff88005c9df958 ffffffffb26ec5cc [ 915.016658] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 915.039094] 0000000000000010 ffff88005c9df980 ffff88005c9df930 ffffffffb363c3e0 [ 915.061318] Call Trace: [ 915.068699] [] dump_stack+0xd7/0x132 [ 915.084796] [] ? arch_local_irq_restore+0x1b/0x1b [ 915.099867] [] ubsan_epilogue+0x12/0x53 [ 915.117159] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 915.137256] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 915.163062] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 915.182973] [] ? inetdev_init+0xb7/0x369 [ 915.204462] [] inetdev_init+0x22b/0x369 [ 915.220380] [] ? devinet_sysctl_register+0x1de/0x1de [ 915.239085] [] ? __register_sysctl_table+0xd52/0xd64 [ 915.262342] [] inetdev_event+0x14a/0xbef [ 915.279996] [] ? inetdev_init+0x369/0x369 [ 915.295813] [] ? inetdev_event+0xbef/0xbef [ 915.310829] [] ? ops_init+0x38a/0x3c8 [ 915.325776] [] ? __list_add+0x211/0x249 [ 915.343146] [] ? find_next_bit+0x3e/0x48 [ 915.356169] [] ? assoc_array_gc+0x12e7/0x12e7 [ 915.373260] [] call_netdevice_notifier+0x9c/0xcf [ 915.392352] [] ? call_netdevice_notifier+0x9c/0xcf [ 915.411589] [] ? dev_getfirstbyhwtype+0x119/0x119 [ 915.430963] [] register_netdevice_notifier+0xe6/0x350 [ 915.449519] [] devinet_init+0xa8/0x152 [ 915.464745] [] ip_rt_init+0x340/0x3e2 [ 915.477406] [] ? netfilter_log_init+0x17/0x17 [ 915.495076] [] ? rtnl_unlock+0x13/0x15 [ 915.509418] [] ? register_netdevice_notifier+0x33e/0x350 [ 915.528961] [] ip_init+0xe/0x1a [ 915.542285] [] inet_init+0x24f/0x405 [ 915.554379] [] ? ipv4_offload_init+0x76/0x76 [ 915.569902] [] ? queued_spin_unlock+0xe/0x1b [ 915.588323] [] ? dev_add_offload+0x109/0x147 [ 915.607401] [] ? ipv4_offload_init+0x76/0x76 [ 915.622783] [] do_one_initcall+0x16d/0x258 [ 915.640099] [] ? initcall_blacklisted+0x198/0x198 [ 915.661600] [] ? up_write+0x8c/0xd9 [ 915.678570] [] ? down_write_trylock+0x100/0x100 [ 915.697209] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 915.717094] [] kernel_init_freeable+0x457/0x518 [ 915.734630] [] kernel_init+0x16/0x181 [ 915.748229] [] ret_from_fork+0x1f/0x40 [ 915.764985] [] ? rest_init+0x8f/0x8f [ 915.777371] ================================================================================ [ 915.801996] ================================================================================ [ 915.827265] UBSAN: Undefined behaviour in net/ipv4/devinet.c:2290:8 [ 915.844389] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 915.871244] which requires 64 byte alignment [ 915.886085] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 915.901592] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 915.929574] 00000000ffffffff 00000000b1a89c60 ffff88005c9df918 ffffffffb26ec5cc [ 915.953444] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 915.973561] ffff880000000010 ffff88005c9df940 ffff88005c9df8f0 ffffffffb363c3e0 [ 915.996264] Call Trace: [ 916.004600] [] dump_stack+0xd7/0x132 [ 916.023001] [] ? arch_local_irq_restore+0x1b/0x1b [ 916.046077] [] ubsan_epilogue+0x12/0x53 [ 916.062906] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 916.080611] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 916.100460] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 916.119770] [] devinet_sysctl_register+0x108/0x1de [ 916.138385] [] ? inetdev_init+0x238/0x369 [ 916.156286] [] inetdev_init+0x24f/0x369 [ 916.171665] [] ? devinet_sysctl_register+0x1de/0x1de [ 916.190458] [] ? __register_sysctl_table+0xd52/0xd64 [ 916.208625] [] inetdev_event+0x14a/0xbef [ 916.223843] [] ? inetdev_init+0x369/0x369 [ 916.239484] [] ? inetdev_event+0xbef/0xbef [ 916.256442] [] ? ops_init+0x38a/0x3c8 [ 916.272532] [] ? __list_add+0x211/0x249 [ 916.288758] [] ? find_next_bit+0x3e/0x48 [ 916.301956] [] ? assoc_array_gc+0x12e7/0x12e7 [ 916.321173] [] call_netdevice_notifier+0x9c/0xcf [ 916.339874] [] ? call_netdevice_notifier+0x9c/0xcf [ 916.359087] [] ? dev_getfirstbyhwtype+0x119/0x119 [ 916.377564] [] register_netdevice_notifier+0xe6/0x350 [ 916.398591] [] devinet_init+0xa8/0x152 [ 916.412606] [] ip_rt_init+0x340/0x3e2 [ 916.428537] [] ? netfilter_log_init+0x17/0x17 [ 916.445272] [] ? rtnl_unlock+0x13/0x15 [ 916.458064] [] ? register_netdevice_notifier+0x33e/0x350 [ 916.481797] [] ip_init+0xe/0x1a [ 916.496613] [] inet_init+0x24f/0x405 [ 916.508693] [] ? ipv4_offload_init+0x76/0x76 [ 916.529570] [] ? queued_spin_unlock+0xe/0x1b [ 916.548576] [] ? dev_add_offload+0x109/0x147 [ 916.565053] [] ? ipv4_offload_init+0x76/0x76 [ 916.580230] [] do_one_initcall+0x16d/0x258 [ 916.599221] [] ? initcall_blacklisted+0x198/0x198 [ 916.616589] [] ? up_write+0x8c/0xd9 [ 916.631976] [] ? down_write_trylock+0x100/0x100 [ 916.648603] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 916.668717] [] kernel_init_freeable+0x457/0x518 [ 916.684875] [] kernel_init+0x16/0x181 [ 916.700150] [] ret_from_fork+0x1f/0x40 [ 916.715348] [] ? rest_init+0x8f/0x8f [ 916.728932] ================================================================================ [ 916.753927] ================================================================================ [ 916.776812] UBSAN: Undefined behaviour in net/ipv4/devinet.c:265:9 [ 916.793748] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 916.817419] which requires 64 byte alignment [ 916.827469] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 916.844492] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 916.869288] 00000000ffffffff 00000000b1a89c60 ffff88005c9df958 ffffffffb26ec5cc [ 916.889936] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 916.911435] ffff880000000010 ffff88005c9df980 ffff88005c9df930 ffffffffb363c3e0 [ 916.931098] Call Trace: [ 916.938825] [] dump_stack+0xd7/0x132 [ 916.953730] [] ? arch_local_irq_restore+0x1b/0x1b [ 916.970732] [] ubsan_epilogue+0x12/0x53 [ 916.985519] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 917.005564] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 917.029922] [] ? memset+0x31/0x38 [ 917.043087] [] ? init_timer_key+0xdf/0xe6 [ 917.060961] [] inetdev_init+0x2b2/0x369 [ 917.075159] [] ? devinet_sysctl_register+0x1de/0x1de [ 917.094387] [] ? __register_sysctl_table+0xd52/0xd64 [ 917.112319] [] inetdev_event+0x14a/0xbef [ 917.125009] [] ? inetdev_init+0x369/0x369 [ 917.141263] [] ? inetdev_event+0xbef/0xbef [ 917.158535] [] ? ops_init+0x38a/0x3c8 [ 917.171894] [] ? __list_add+0x211/0x249 [ 917.187112] [] ? find_next_bit+0x3e/0x48 [ 917.202046] [] ? assoc_array_gc+0x12e7/0x12e7 [ 917.221223] [] call_netdevice_notifier+0x9c/0xcf [ 917.240344] [] ? call_netdevice_notifier+0x9c/0xcf [ 917.255500] [] ? dev_getfirstbyhwtype+0x119/0x119 [ 917.273495] [] register_netdevice_notifier+0xe6/0x350 [ 917.290728] [] devinet_init+0xa8/0x152 [ 917.305265] [] ip_rt_init+0x340/0x3e2 [ 917.321324] [] ? netfilter_log_init+0x17/0x17 [ 917.338597] [] ? rtnl_unlock+0x13/0x15 [ 917.351477] [] ? register_netdevice_notifier+0x33e/0x350 [ 917.372933] [] ip_init+0xe/0x1a [ 917.387209] [] inet_init+0x24f/0x405 [ 917.401417] [] ? ipv4_offload_init+0x76/0x76 [ 917.421230] [] ? queued_spin_unlock+0xe/0x1b [ 917.438447] [] ? dev_add_offload+0x109/0x147 [ 917.456518] [] ? ipv4_offload_init+0x76/0x76 [ 917.472293] [] do_one_initcall+0x16d/0x258 [ 917.489383] [] ? initcall_blacklisted+0x198/0x198 [ 917.507491] [] ? up_write+0x8c/0xd9 [ 917.523765] [] ? down_write_trylock+0x100/0x100 [ 917.542234] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 917.564773] [] kernel_init_freeable+0x457/0x518 [ 917.580972] [] kernel_init+0x16/0x181 [ 917.604114] [] ret_from_fork+0x1f/0x40 [ 917.620904] [] ? rest_init+0x8f/0x8f [ 917.638931] ================================================================================ [ 917.662648] ================================================================================ [ 917.687648] UBSAN: Undefined behaviour in net/ipv4/devinet.c:1416:11 [ 917.704372] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 917.727653] which requires 64 byte alignment [ 917.739496] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 917.755836] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 917.781576] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9e8 ffffffffb26ec5cc [ 917.804559] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 917.825042] ffffffff00000010 ffff88005c9dfa10 ffff88005c9df9c0 ffffffffb363c3e0 [ 917.846797] Call Trace: [ 917.854853] [] dump_stack+0xd7/0x132 [ 917.870219] [] ? arch_local_irq_restore+0x1b/0x1b [ 917.885758] [] ubsan_epilogue+0x12/0x53 [ 917.904039] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 917.922216] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 917.942453] [] ? devinet_sysctl_register+0x1de/0x1de [ 917.962148] [] ? __register_sysctl_table+0xd52/0xd64 [ 917.980837] [] inetdev_event+0x1ad/0xbef [ 917.995245] [] ? inetdev_init+0x369/0x369 [ 918.013954] [] ? inetdev_event+0xbef/0xbef [ 918.030995] [] ? ops_init+0x38a/0x3c8 [ 918.045505] [] ? __list_add+0x211/0x249 [ 918.059805] [] ? find_next_bit+0x3e/0x48 [ 918.078689] [] ? assoc_array_gc+0x12e7/0x12e7 [ 918.098369] [] call_netdevice_notifier+0x9c/0xcf [ 918.118161] [] ? call_netdevice_notifier+0x9c/0xcf [ 918.138642] [] ? dev_getfirstbyhwtype+0x119/0x119 [ 918.154816] [] register_netdevice_notifier+0xe6/0x350 [ 918.175657] [] devinet_init+0xa8/0x152 [ 918.190825] [] ip_rt_init+0x340/0x3e2 [ 918.207004] [] ? netfilter_log_init+0x17/0x17 [ 918.226106] [] ? rtnl_unlock+0x13/0x15 [ 918.241323] [] ? register_netdevice_notifier+0x33e/0x350 [ 918.266568] [] ip_init+0xe/0x1a [ 918.282669] [] inet_init+0x24f/0x405 [ 918.297444] [] ? ipv4_offload_init+0x76/0x76 [ 918.317180] [] ? queued_spin_unlock+0xe/0x1b [ 918.338762] [] ? dev_add_offload+0x109/0x147 [ 918.359797] [] ? ipv4_offload_init+0x76/0x76 [ 918.380735] [] do_one_initcall+0x16d/0x258 [ 918.394908] [] ? initcall_blacklisted+0x198/0x198 [ 918.414012] [] ? up_write+0x8c/0xd9 [ 918.431150] [] ? down_write_trylock+0x100/0x100 [ 918.448445] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 918.469400] [] kernel_init_freeable+0x457/0x518 [ 918.486816] [] kernel_init+0x16/0x181 [ 918.501422] [] ret_from_fork+0x1f/0x40 [ 918.516798] [] ? rest_init+0x8f/0x8f [ 918.534599] ================================================================================ [ 918.559492] ================================================================================ [ 918.586647] UBSAN: Undefined behaviour in kernel/workqueue.c:1453:27 [ 918.602906] member access within misaligned address ffff8800a390cad8 for type 'struct worker_pool' [ 918.627379] which requires 64 byte alignment [ 918.639030] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 918.655551] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 918.687635] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfaf8 ffffffffb26ec5cc [ 918.706409] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 918.729630] ffffffff00000010 ffff88005c9dfb20 ffff88005c9dfad0 ffffffffb363c3e0 [ 918.749774] Call Trace: [ 918.757387] [] dump_stack+0xd7/0x132 [ 918.777572] [] ? arch_local_irq_restore+0x1b/0x1b [ 918.797812] [] ubsan_epilogue+0x12/0x53 [ 918.813508] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 918.830610] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 918.854735] [] __queue_work+0xb6d/0xba0 [ 918.871056] [] __queue_delayed_work+0x1f8/0x2f0 [ 918.891421] [] queue_delayed_work_on+0x54/0x75 [ 918.912696] [] devinet_init+0xce/0x152 [ 918.929816] [] ip_rt_init+0x340/0x3e2 [ 918.946744] [] ? netfilter_log_init+0x17/0x17 [ 918.965856] [] ? rtnl_unlock+0x13/0x15 [ 918.983152] [] ? register_netdevice_notifier+0x33e/0x350 [ 919.006367] [] ip_init+0xe/0x1a [ 919.025090] [] inet_init+0x24f/0x405 [ 919.041680] [] ? ipv4_offload_init+0x76/0x76 [ 919.058956] [] ? queued_spin_unlock+0xe/0x1b [ 919.075673] [] ? dev_add_offload+0x109/0x147 [ 919.092298] [] ? ipv4_offload_init+0x76/0x76 [ 919.112278] [] do_one_initcall+0x16d/0x258 [ 919.129576] [] ? initcall_blacklisted+0x198/0x198 [ 919.147434] [] ? up_write+0x8c/0xd9 [ 919.165071] [] ? down_write_trylock+0x100/0x100 [ 919.182387] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 919.200275] [] kernel_init_freeable+0x457/0x518 [ 919.221077] [] kernel_init+0x16/0x181 [ 919.236877] [] ret_from_fork+0x1f/0x40 [ 919.254689] [] ? rest_init+0x8f/0x8f [ 919.268421] ================================================================================ [ 919.295795] ================================================================================ [ 919.345656] UBSAN: Undefined behaviour in ./include/linux/inetdevice.h:222:9 [ 919.389382] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 919.446986] which requires 64 byte alignment [ 919.467599] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 919.500810] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 919.556854] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfad8 ffffffffb26ec5cc [ 919.597264] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 919.652935] ffffffff00000010 ffff88005c9dfb00 ffff88005c9dfab0 ffffffffb363c3e0 [ 919.689964] Call Trace: [ 919.705825] [] dump_stack+0xd7/0x132 [ 919.737253] [] ? arch_local_irq_restore+0x1b/0x1b [ 919.775884] [] ubsan_epilogue+0x12/0x53 [ 919.811084] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 919.847192] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 919.886714] [] ? ops_init+0x38a/0x3c8 [ 919.913349] [] ? __list_add+0x211/0x249 [ 919.944981] [] fib_netdev_event+0xbb/0x299 [ 919.986882] [] call_netdevice_notifier+0x9c/0xcf [ 920.025680] [] ? dev_getfirstbyhwtype+0x119/0x119 [ 920.055597] [] register_netdevice_notifier+0xe6/0x350 [ 920.092623] [] ip_fib_init+0x72/0x85 [ 920.119572] [] ip_rt_init+0x345/0x3e2 [ 920.151126] [] ? netfilter_log_init+0x17/0x17 [ 920.185497] [] ? rtnl_unlock+0x13/0x15 [ 920.220892] [] ? register_netdevice_notifier+0x33e/0x350 [ 920.261835] [] ip_init+0xe/0x1a [ 920.288578] [] inet_init+0x24f/0x405 [ 920.316474] [] ? ipv4_offload_init+0x76/0x76 [ 920.352504] [] ? queued_spin_unlock+0xe/0x1b [ 920.389252] [] ? dev_add_offload+0x109/0x147 [ 920.419373] [] ? ipv4_offload_init+0x76/0x76 [ 920.451842] [] do_one_initcall+0x16d/0x258 [ 920.485504] [] ? initcall_blacklisted+0x198/0x198 [ 920.518792] [] ? up_write+0x8c/0xd9 [ 920.549658] [] ? down_write_trylock+0x100/0x100 [ 920.585164] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 920.621976] [] kernel_init_freeable+0x457/0x518 [ 920.660455] [] kernel_init+0x16/0x181 [ 920.689385] [] ret_from_fork+0x1f/0x40 [ 920.720877] [] ? rest_init+0x8f/0x8f [ 920.755549] ================================================================================ [ 920.803686] TCP established hash table entries: 32768 (order: 6, 262144 bytes) [ 920.805508] ================================================================================ [ 920.805514] UBSAN: Undefined behaviour in kernel/workqueue.c:783:13 [ 920.805519] member access within misaligned address ffff8800a390cad8 for type 'struct worker_pool' [ 920.805521] which requires 64 byte alignment [ 920.805527] CPU: 2 PID: 26 Comm: kworker/u10:0 Not tainted 4.8.11 #1 [ 920.805530] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 920.805555] 00000000ffffffff 000000005c676fb5 ffff8800a359fd28 ffffffffb26ec5cc [ 920.805562] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 920.805569] ffff880000000010 ffff8800a359fd50 ffff8800a359fd00 ffffffffb363c3e0 [ 920.805570] Call Trace: [ 920.805582] [] dump_stack+0xd7/0x132 [ 920.805589] [] ? arch_local_irq_restore+0x1b/0x1b [ 920.805596] [] ubsan_epilogue+0x12/0x53 [ 920.805604] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 920.805611] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 920.805618] [] ? get_work_pwq+0x58/0x58 [ 920.805626] [] ? worker_clr_flags+0x187/0x193 [ 920.805633] [] worker_thread+0x3b1/0x857 [ 920.805640] [] kthread+0x1f7/0x20b [ 920.805647] [] ? rescuer_thread+0x91f/0x91f [ 920.805653] [] ? init_completion+0x48/0x48 [ 920.805662] [] ret_from_fork+0x1f/0x40 [ 920.805669] [] ? init_completion+0x48/0x48 [ 920.805671] ================================================================================ [ 920.805674] ================================================================================ [ 920.805678] UBSAN: Undefined behaviour in kernel/workqueue.c:1994:16 [ 920.805682] member access within misaligned address ffff8800a390cad8 for type 'struct worker_pool' [ 920.805684] which requires 64 byte alignment [ 920.805689] CPU: 2 PID: 26 Comm: kworker/u10:0 Not tainted 4.8.11 #1 [ 920.805692] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 920.805704] 00000000ffffffff 000000005c676fb5 ffff8800a359fd28 ffffffffb26ec5cc [ 920.805712] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 920.805719] ffff880000000010 ffff8800a359fd50 ffff8800a359fd00 ffffffffb363c3e0 [ 920.805720] Call Trace: [ 920.805727] [] dump_stack+0xd7/0x132 [ 920.805734] [] ? arch_local_irq_restore+0x1b/0x1b [ 920.805741] [] ubsan_epilogue+0x12/0x53 [ 920.805748] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 920.805756] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 920.805762] [] ? get_work_pwq+0x58/0x58 [ 920.805770] [] worker_thread+0x42e/0x857 [ 920.805776] [] kthread+0x1f7/0x20b [ 920.805783] [] ? rescuer_thread+0x91f/0x91f [ 920.805789] [] ? init_completion+0x48/0x48 [ 920.805816] [] ret_from_fork+0x1f/0x40 [ 920.805822] [] ? init_completion+0x48/0x48 [ 920.805825] ================================================================================ [ 920.816436] ================================================================================ [ 920.816441] UBSAN: Undefined behaviour in kernel/workqueue.c:783:13 [ 920.816446] member access within misaligned address ffff8800a390cad8 for type 'struct worker_pool' [ 920.816448] which requires 64 byte alignment [ 920.816454] CPU: 2 PID: 26 Comm: kworker/u10:0 Not tainted 4.8.11 #1 [ 920.816458] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 920.816477] 00000000ffffffff 000000005c676fb5 ffff8800a359fd08 ffffffffb26ec5cc [ 920.816484] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 920.816491] ffff880000000010 ffff8800a359fd30 ffff8800a359fce0 ffffffffb363c3e0 [ 920.816492] Call Trace: [ 920.816503] [] dump_stack+0xd7/0x132 [ 920.816510] [] ? arch_local_irq_restore+0x1b/0x1b [ 920.816517] [] ubsan_epilogue+0x12/0x53 [ 920.816524] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 920.816532] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 920.816540] [] ? worker_thread+0x448/0x857 [ 920.816548] [] need_to_create_worker+0x9d/0xbf [ 920.816556] [] worker_thread+0x4aa/0x857 [ 920.816562] [] kthread+0x1f7/0x20b [ 920.816569] [] ? rescuer_thread+0x91f/0x91f [ 920.816576] [] ? init_completion+0x48/0x48 [ 920.816585] [] ret_from_fork+0x1f/0x40 [ 920.816591] [] ? init_completion+0x48/0x48 [ 920.816594] ================================================================================ [ 920.816596] ================================================================================ [ 920.816600] UBSAN: Undefined behaviour in kernel/workqueue.c:1998:16 [ 920.816604] member access within misaligned address ffff8800a390cad8 for type 'struct worker_pool' [ 920.816605] which requires 64 byte alignment [ 920.816610] CPU: 2 PID: 26 Comm: kworker/u10:0 Not tainted 4.8.11 #1 [ 920.816614] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 920.816626] 00000000ffffffff 000000005c676fb5 ffff8800a359fd28 ffffffffb26ec5cc [ 920.816633] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 920.816640] 0000000000000010 ffff8800a359fd50 ffff8800a359fd00 ffffffffb363c3e0 [ 920.816641] Call Trace: [ 920.816648] [] dump_stack+0xd7/0x132 [ 920.816655] [] ? arch_local_irq_restore+0x1b/0x1b [ 920.816661] [] ubsan_epilogue+0x12/0x53 [ 920.816668] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 920.816676] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 920.816683] [] ? worker_thread+0x448/0x857 [ 920.816691] [] worker_thread+0x4fd/0x857 [ 920.816697] [] kthread+0x1f7/0x20b [ 920.816704] [] ? rescuer_thread+0x91f/0x91f [ 920.816711] [] ? init_completion+0x48/0x48 [ 920.816719] [] ret_from_fork+0x1f/0x40 [ 920.816725] [] ? init_completion+0x48/0x48 [ 920.816728] ================================================================================ [ 920.816730] ================================================================================ [ 920.816734] UBSAN: Undefined behaviour in kernel/workqueue.c:2223:4 [ 920.816738] member access within misaligned address ffff8800a390cad8 for type 'struct worker_pool' [ 920.816740] which requires 64 byte alignment [ 920.816744] CPU: 2 PID: 26 Comm: kworker/u10:0 Not tainted 4.8.11 #1 [ 920.816748] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 920.816760] 00000000ffffffff 000000005c676fb5 ffff8800a359fd28 ffffffffb26ec5cc [ 920.816767] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 920.816774] 0000000000000010 ffff8800a359fd50 ffff8800a359fd00 ffffffffb363c3e0 [ 920.816775] Call Trace: [ 920.816782] [] dump_stack+0xd7/0x132 [ 920.816789] [] ? arch_local_irq_restore+0x1b/0x1b [ 920.816795] [] ubsan_epilogue+0x12/0x53 [ 920.816802] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 920.816810] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 920.816817] [] ? worker_clr_flags+0x187/0x193 [ 920.816825] [] worker_thread+0x5de/0x857 [ 920.816831] [] kthread+0x1f7/0x20b [ 920.816838] [] ? rescuer_thread+0x91f/0x91f [ 920.816844] [] ? init_completion+0x48/0x48 [ 920.816853] [] ret_from_fork+0x1f/0x40 [ 920.816859] [] ? init_completion+0x48/0x48 [ 920.816861] ================================================================================ [ 920.816864] ================================================================================ [ 920.816867] UBSAN: Undefined behaviour in kernel/workqueue.c:2226:21 [ 920.816871] member access within misaligned address ffff8800a390cad8 for type 'struct worker_pool' [ 920.816873] which requires 64 byte alignment [ 920.816877] CPU: 2 PID: 26 Comm: kworker/u10:0 Not tainted 4.8.11 #1 [ 920.816881] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 920.816893] 00000000ffffffff 000000005c676fb5 ffff8800a359fd28 ffffffffb26ec5cc [ 920.816900] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 920.816907] 0000000000000010 ffff8800a359fd50 ffff8800a359fd00 ffffffffb363c3e0 [ 920.816908] Call Trace: [ 920.816914] [] dump_stack+0xd7/0x132 [ 920.816921] [] ? arch_local_irq_restore+0x1b/0x1b [ 920.816928] [] ubsan_epilogue+0x12/0x53 [ 920.816935] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 920.816943] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 920.816950] [] ? worker_clr_flags+0x187/0x193 [ 920.816957] [] worker_thread+0x625/0x857 [ 920.816964] [] kthread+0x1f7/0x20b [ 920.816971] [] ? rescuer_thread+0x91f/0x91f [ 920.816977] [] ? init_completion+0x48/0x48 [ 920.816985] [] ret_from_fork+0x1f/0x40 [ 920.816992] [] ? init_completion+0x48/0x48 [ 920.816994] ================================================================================ [ 920.816997] ================================================================================ [ 920.817001] UBSAN: Undefined behaviour in kernel/workqueue.c:2039:2 [ 920.817005] member access within misaligned address ffff8800a390cad8 for type 'struct worker_pool' [ 920.817006] which requires 64 byte alignment [ 920.817011] CPU: 2 PID: 26 Comm: kworker/u10:0 Not tainted 4.8.11 #1 [ 920.817014] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 920.817026] 00000000ffffffff 000000005c676fb5 ffff8800a359fc60 ffffffffb26ec5cc [ 920.817033] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 920.817040] 0000000000000010 ffff8800a359fc88 ffff8800a359fc38 ffffffffb363c3e0 [ 920.817041] Call Trace: [ 920.817048] [] dump_stack+0xd7/0x132 [ 920.817055] [] ? arch_local_irq_restore+0x1b/0x1b [ 920.817062] [] ubsan_epilogue+0x12/0x53 [ 920.817069] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 920.817076] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 920.817084] [] process_one_work+0x144/0x88e [ 920.817091] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 920.817099] [] ? create_worker+0x528/0x528 [ 920.817106] [] ? worker_clr_flags+0x187/0x193 [ 920.817113] [] worker_thread+0x67c/0x857 [ 920.817120] [] kthread+0x1f7/0x20b [ 920.817127] [] ? rescuer_thread+0x91f/0x91f [ 920.817133] [] ? init_completion+0x48/0x48 [ 920.817141] [] ret_from_fork+0x1f/0x40 [ 920.817148] [] ? init_completion+0x48/0x48 [ 920.817150] ================================================================================ [ 920.817152] ================================================================================ [ 920.817156] UBSAN: Undefined behaviour in kernel/workqueue.c:1002:2 [ 920.817160] member access within misaligned address ffff8800a390cad8 for type 'struct worker_pool' [ 920.817161] which requires 64 byte alignment [ 920.817166] CPU: 2 PID: 26 Comm: kworker/u10:0 Not tainted 4.8.11 #1 [ 920.817169] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 920.817181] 00000000ffffffff 000000005c676fb5 ffff8800a359fc30 ffffffffb26ec5cc [ 920.817188] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 920.817195] ffffffff00000010 ffff8800a359fc58 ffff8800a359fc08 ffffffffb363c3e0 [ 920.817196] Call Trace: [ 920.817203] [] dump_stack+0xd7/0x132 [ 920.817210] [] ? arch_local_irq_restore+0x1b/0x1b [ 920.817217] [] ubsan_epilogue+0x12/0x53 [ 920.817224] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 920.817231] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 920.817239] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 920.817246] [] find_worker_executing_work+0x47/0x128 [ 920.817254] [] process_one_work+0x1f1/0x88e [ 920.817261] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 920.817268] [] ? create_worker+0x528/0x528 [ 920.817276] [] ? worker_clr_flags+0x187/0x193 [ 920.817283] [] worker_thread+0x67c/0x857 [ 920.817289] [] kthread+0x1f7/0x20b [ 920.817297] [] ? rescuer_thread+0x91f/0x91f [ 920.817303] [] ? init_completion+0x48/0x48 [ 920.818457] [] ret_from_fork+0x1f/0x40 [ 920.818468] [] ? init_completion+0x48/0x48 [ 920.818471] ================================================================================ [ 920.818480] ================================================================================ [ 920.818484] UBSAN: Undefined behaviour in kernel/workqueue.c:2089:2 [ 920.818488] member access within misaligned address ffff8800a390cad8 for type 'struct worker_pool' [ 920.818490] which requires 64 byte alignment [ 920.818495] CPU: 2 PID: 26 Comm: kworker/u10:0 Not tainted 4.8.11 #1 [ 920.818499] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 920.818509] Workqueue: events_power_efficient check_lifetime [ 920.818517] 00000000ffffffff 000000005c676fb5 ffff8800a359fc60 ffffffffb26ec5cc [ 920.818524] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 920.818531] ffff880000000010 ffff8800a359fc88 ffff8800a359fc38 ffffffffb363c3e0 [ 920.818532] Call Trace: [ 920.818540] [] dump_stack+0xd7/0x132 [ 920.818547] [] ? arch_local_irq_restore+0x1b/0x1b [ 920.818554] [] ubsan_epilogue+0x12/0x53 [ 920.818561] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 920.818568] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 920.818575] [] ? get_work_pwq+0x58/0x58 [ 920.818583] [] process_one_work+0x4b4/0x88e [ 920.818590] [] ? create_worker+0x528/0x528 [ 920.818597] [] ? worker_clr_flags+0x187/0x193 [ 920.818605] [] worker_thread+0x67c/0x857 [ 920.818611] [] kthread+0x1f7/0x20b [ 920.818618] [] ? rescuer_thread+0x91f/0x91f [ 920.818624] [] ? init_completion+0x48/0x48 [ 920.818633] [] ret_from_fork+0x1f/0x40 [ 920.818639] [] ? init_completion+0x48/0x48 [ 920.818642] ================================================================================ [ 925.550546] TCP bind hash table entries: 32768 (order: 7, 524288 bytes) [ 925.577182] TCP: Hash tables configured (established 32768 bind 32768) [ 925.600659] UDP hash table entries: 2048 (order: 4, 65536 bytes) [ 925.619994] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes) [ 925.642797] NET: Registered protocol family 1 [ 925.658544] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 925.677001] pci 0000:00:01.0: PIIX3: Enabling Passive Release [ 925.694100] pci 0000:00:01.0: Activating ISA DMA hang workarounds [ 945.634098] ================================================================================ [ 945.684394] UBSAN: Undefined behaviour in drivers/acpi/acpica/rsutils.c:261:36 [ 945.720406] member access within misaligned address ffff8800a3865ac9 for type 'union aml_resource' [ 945.759815] which requires 4 byte alignment [ 945.772763] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 945.790405] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 945.818352] 00000000ffffffff 00000000b1a89c60 ffff88005c9df380 ffffffffb26ec5cc [ 945.841432] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 945.869342] 0000000000000010 ffff88005c9df3a8 ffff88005c9df358 ffffffffb363c3e0 [ 945.894231] Call Trace: [ 945.902015] [] dump_stack+0xd7/0x132 [ 945.921668] [] ? arch_local_irq_restore+0x1b/0x1b [ 945.940589] [] ubsan_epilogue+0x12/0x53 [ 945.960276] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 945.983838] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 946.005463] [] acpi_rs_set_resource_header+0x35/0x52 [ 946.029206] [] acpi_rs_convert_resource_to_aml+0x108/0x963 [ 946.065348] [] acpi_rs_convert_resources_to_aml+0x17a/0x226 [ 946.117456] [] acpi_rs_create_aml_resources+0x15b/0x1a2 [ 946.171345] [] ? acpi_rs_create_pci_routing_table+0x960/0x960 [ 946.205987] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 946.244343] [] ? acpi_rs_set_srs_method_data+0xdd/0x2b1 [ 946.281439] [] acpi_rs_set_srs_method_data+0x169/0x2b1 [ 946.319066] [] ? acpi_rs_get_method_data+0xdd/0xdd [ 946.341148] [] ? kasan_poison_shadow+0x2f/0x31 [ 946.365797] [] ? kasan_unpoison_shadow+0x14/0x35 [ 946.385965] [] acpi_set_current_resources+0x108/0x15d [ 946.405796] [] ? acpi_get_vendor_resource+0x100/0x100 [ 946.425690] [] acpi_pci_link_set+0x45d/0x6e7 [ 946.441974] [] ? mutex_set_owner+0x8e/0xc6 [ 946.462658] [] ? acpi_pci_link_add+0x432/0x432 [ 946.482877] [] ? acpi_irq_get_penalty+0x295/0x2a4 [ 946.503769] [] acpi_pci_link_allocate_irq+0x611/0xb05 [ 946.526639] [] ? irqrouter_resume+0x120/0x120 [ 946.546549] [] ? raw_pci_read+0xd1/0xe0 [ 946.566807] [] acpi_pci_irq_enable+0x3f0/0x5b9 [ 946.591203] [] ? pci_bus_read_config_word+0x165/0x1a4 [ 946.616440] [] ? acpi_pci_irq_lookup+0x527/0x527 [ 946.636504] [] ? pci_enable_resources+0x357/0x399 [ 946.661438] [] ? pci_reassign_resource+0x2c7/0x2c7 [ 946.680363] [] pcibios_enable_device+0x74/0x83 [ 946.701746] [] do_pci_enable_device+0xd9/0x1d0 [ 946.721805] [] ? pci_find_saved_ext_cap+0x52/0x52 [ 946.738192] [] ? pci_enable_device_flags+0x24f/0x2df [ 946.756940] [] pci_enable_device_flags+0x288/0x2df [ 946.778130] [] ? pci_enable_bridge+0xe6/0xe6 [ 946.795774] [] pci_enable_device+0x21/0x23 [ 946.813727] [] quirk_usb_early_handoff+0x115/0xd62 [ 946.833538] [] ? sb800_prefetch+0x1a9/0x1a9 [ 946.852006] [] ? pci_dev_put+0x2d/0x30 [ 946.866141] [] ? pci_get_dev_by_id+0x98/0xa2 [ 946.885870] [] ? pci_get_subsys+0xc2/0xf5 [ 946.901718] [] ? pci_get_dev_by_id+0xa2/0xa2 [ 946.921592] [] pci_fixup_device+0x458/0x67d [ 946.938754] [] ? sb800_prefetch+0x1a9/0x1a9 [ 946.959357] [] pci_apply_final_quirks+0xe2/0x245 [ 946.976506] [] ? pci_proc_init+0x82/0x82 [ 946.991589] [] ? calipso_init+0xca/0x1c1 [ 947.009012] [] ? pci_proc_init+0x82/0x82 [ 947.027597] [] do_one_initcall+0x16d/0x258 [ 947.047575] [] ? initcall_blacklisted+0x198/0x198 [ 947.068450] [] ? up_write+0x8c/0xd9 [ 947.084297] [] ? down_write_trylock+0x100/0x100 [ 947.104630] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 947.124982] [] kernel_init_freeable+0x457/0x518 [ 947.143191] [] kernel_init+0x16/0x181 [ 947.158328] [] ret_from_fork+0x1f/0x40 [ 947.177197] [] ? rest_init+0x8f/0x8f [ 947.194782] ================================================================================ [ 947.232560] ================================================================================ [ 947.262676] UBSAN: Undefined behaviour in drivers/acpi/acpica/rsutils.c:217:23 [ 947.289549] member access within misaligned address ffff8800a3865ac9 for type 'union aml_resource' [ 947.327671] which requires 4 byte alignment [ 947.342658] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 947.364035] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 947.393924] 00000000ffffffff 00000000b1a89c60 ffff88005c9df358 ffffffffb26ec5cc [ 947.416760] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 947.437434] ffff880000000010 ffff88005c9df380 ffff88005c9df330 ffffffffb363c3e0 [ 947.462400] Call Trace: [ 947.470207] [] dump_stack+0xd7/0x132 [ 947.484538] [] ? arch_local_irq_restore+0x1b/0x1b [ 947.503591] [] ubsan_epilogue+0x12/0x53 [ 947.522252] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 947.544213] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 947.569388] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 947.592146] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 947.617480] [] acpi_rs_set_resource_length+0x40/0xd0 [ 947.638502] [] acpi_rs_set_resource_header+0x4b/0x52 [ 947.661008] [] acpi_rs_convert_resource_to_aml+0x108/0x963 [ 947.682009] [] acpi_rs_convert_resources_to_aml+0x17a/0x226 [ 947.703860] [] acpi_rs_create_aml_resources+0x15b/0x1a2 [ 947.738346] [] ? acpi_rs_create_pci_routing_table+0x960/0x960 [ 947.763540] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 947.787572] [] ? acpi_rs_set_srs_method_data+0xdd/0x2b1 [ 947.814059] [] acpi_rs_set_srs_method_data+0x169/0x2b1 [ 947.839077] [] ? acpi_rs_get_method_data+0xdd/0xdd [ 947.859464] [] ? kasan_poison_shadow+0x2f/0x31 [ 947.878478] [] ? kasan_unpoison_shadow+0x14/0x35 [ 947.898427] [] acpi_set_current_resources+0x108/0x15d [ 947.917328] [] ? acpi_get_vendor_resource+0x100/0x100 [ 947.943995] [] acpi_pci_link_set+0x45d/0x6e7 [ 947.969084] [] ? mutex_set_owner+0x8e/0xc6 [ 947.989056] [] ? acpi_pci_link_add+0x432/0x432 [ 948.009348] [] ? acpi_irq_get_penalty+0x295/0x2a4 [ 948.030990] [] acpi_pci_link_allocate_irq+0x611/0xb05 [ 948.054339] [] ? irqrouter_resume+0x120/0x120 [ 948.076842] [] ? raw_pci_read+0xd1/0xe0 [ 948.096480] [] acpi_pci_irq_enable+0x3f0/0x5b9 [ 948.117448] [] ? pci_bus_read_config_word+0x165/0x1a4 [ 948.137649] [] ? acpi_pci_irq_lookup+0x527/0x527 [ 948.160016] [] ? pci_enable_resources+0x357/0x399 [ 948.179202] [] ? pci_reassign_resource+0x2c7/0x2c7 [ 948.201346] [] pcibios_enable_device+0x74/0x83 [ 948.220710] [] do_pci_enable_device+0xd9/0x1d0 [ 948.239384] [] ? pci_find_saved_ext_cap+0x52/0x52 [ 948.260768] [] ? pci_enable_device_flags+0x24f/0x2df [ 948.281139] [] pci_enable_device_flags+0x288/0x2df [ 948.302980] [] ? pci_enable_bridge+0xe6/0xe6 [ 948.321104] [] pci_enable_device+0x21/0x23 [ 948.339457] [] quirk_usb_early_handoff+0x115/0xd62 [ 948.363420] [] ? sb800_prefetch+0x1a9/0x1a9 [ 948.380264] [] ? pci_dev_put+0x2d/0x30 [ 948.396805] [] ? pci_get_dev_by_id+0x98/0xa2 [ 948.416001] [] ? pci_get_subsys+0xc2/0xf5 [ 948.437349] [] ? pci_get_dev_by_id+0xa2/0xa2 [ 948.461033] [] pci_fixup_device+0x458/0x67d [ 948.489496] [] ? sb800_prefetch+0x1a9/0x1a9 [ 948.516417] [] pci_apply_final_quirks+0xe2/0x245 [ 948.542720] [] ? pci_proc_init+0x82/0x82 [ 948.561882] [] ? calipso_init+0xca/0x1c1 [ 948.579795] [] ? pci_proc_init+0x82/0x82 [ 948.598403] [] do_one_initcall+0x16d/0x258 [ 948.618080] [] ? initcall_blacklisted+0x198/0x198 [ 948.637991] [] ? up_write+0x8c/0xd9 [ 948.657806] [] ? down_write_trylock+0x100/0x100 [ 948.683905] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 948.711812] [] kernel_init_freeable+0x457/0x518 [ 948.734813] [] kernel_init+0x16/0x181 [ 948.754153] [] ret_from_fork+0x1f/0x40 [ 948.774687] [] ? rest_init+0x8f/0x8f [ 948.795213] ================================================================================ [ 948.823780] ================================================================================ [ 948.855354] UBSAN: Undefined behaviour in drivers/acpi/acpica/rsutils.c:229:26 [ 948.883786] member access within misaligned address ffff8800a3865ac9 for type 'union aml_resource' [ 948.918119] which requires 4 byte alignment [ 948.936495] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 948.959534] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 949.000033] 00000000ffffffff 00000000b1a89c60 ffff88005c9df358 ffffffffb26ec5cc [ 949.039266] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 949.070686] ffffffff00000010 ffff88005c9df380 ffff88005c9df330 ffffffffb363c3e0 [ 949.101043] Call Trace: [ 949.109729] [] dump_stack+0xd7/0x132 [ 949.130251] [] ? arch_local_irq_restore+0x1b/0x1b [ 949.154473] [] ubsan_epilogue+0x12/0x53 [ 949.172745] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 949.200586] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 949.231780] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 949.256921] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 949.282237] [] acpi_rs_set_resource_length+0xa1/0xd0 [ 949.302043] [] acpi_rs_set_resource_header+0x4b/0x52 [ 949.321007] [] acpi_rs_convert_resource_to_aml+0x108/0x963 [ 949.340771] [] acpi_rs_convert_resources_to_aml+0x17a/0x226 [ 949.362583] [] acpi_rs_create_aml_resources+0x15b/0x1a2 [ 949.384304] [] ? acpi_rs_create_pci_routing_table+0x960/0x960 [ 949.407105] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 949.424762] [] ? acpi_rs_set_srs_method_data+0xdd/0x2b1 [ 949.445634] [] acpi_rs_set_srs_method_data+0x169/0x2b1 [ 949.463516] [] ? acpi_rs_get_method_data+0xdd/0xdd [ 949.483014] [] ? kasan_poison_shadow+0x2f/0x31 [ 949.502490] [] ? kasan_unpoison_shadow+0x14/0x35 [ 949.523703] [] acpi_set_current_resources+0x108/0x15d [ 949.544507] [] ? acpi_get_vendor_resource+0x100/0x100 [ 949.565731] [] acpi_pci_link_set+0x45d/0x6e7 [ 949.582384] [] ? mutex_set_owner+0x8e/0xc6 [ 949.601919] [] ? acpi_pci_link_add+0x432/0x432 [ 949.624326] [] ? acpi_irq_get_penalty+0x295/0x2a4 [ 949.644253] [] acpi_pci_link_allocate_irq+0x611/0xb05 [ 949.663187] [] ? irqrouter_resume+0x120/0x120 [ 949.680997] [] ? raw_pci_read+0xd1/0xe0 [ 949.700114] [] acpi_pci_irq_enable+0x3f0/0x5b9 [ 949.717357] [] ? pci_bus_read_config_word+0x165/0x1a4 [ 949.736193] [] ? acpi_pci_irq_lookup+0x527/0x527 [ 949.753325] [] ? pci_enable_resources+0x357/0x399 [ 949.772541] [] ? pci_reassign_resource+0x2c7/0x2c7 [ 949.795113] [] pcibios_enable_device+0x74/0x83 [ 949.813462] [] do_pci_enable_device+0xd9/0x1d0 [ 949.832069] [] ? pci_find_saved_ext_cap+0x52/0x52 [ 949.852731] [] ? pci_enable_device_flags+0x24f/0x2df [ 949.874683] [] pci_enable_device_flags+0x288/0x2df [ 949.897586] [] ? pci_enable_bridge+0xe6/0xe6 [ 949.915769] [] pci_enable_device+0x21/0x23 [ 949.936895] [] quirk_usb_early_handoff+0x115/0xd62 [ 949.957334] [] ? sb800_prefetch+0x1a9/0x1a9 [ 949.978462] [] ? pci_dev_put+0x2d/0x30 [ 949.998102] [] ? pci_get_dev_by_id+0x98/0xa2 [ 950.017043] [] ? pci_get_subsys+0xc2/0xf5 [ 950.037942] [] ? pci_get_dev_by_id+0xa2/0xa2 [ 950.056146] [] pci_fixup_device+0x458/0x67d [ 950.075898] [] ? sb800_prefetch+0x1a9/0x1a9 [ 950.097449] [] pci_apply_final_quirks+0xe2/0x245 [ 950.118388] [] ? pci_proc_init+0x82/0x82 [ 950.132446] [] ? calipso_init+0xca/0x1c1 [ 950.150483] [] ? pci_proc_init+0x82/0x82 [ 950.167526] [] do_one_initcall+0x16d/0x258 [ 950.186877] [] ? initcall_blacklisted+0x198/0x198 [ 950.208593] [] ? up_write+0x8c/0xd9 [ 950.229658] [] ? down_write_trylock+0x100/0x100 [ 950.246113] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 950.266835] [] kernel_init_freeable+0x457/0x518 [ 950.286681] [] kernel_init+0x16/0x181 [ 950.302467] [] ret_from_fork+0x1f/0x40 [ 950.318417] [] ? rest_init+0x8f/0x8f [ 950.333515] ================================================================================ [ 950.358620] ================================================================================ [ 950.383233] UBSAN: Undefined behaviour in drivers/acpi/acpica/rsutils.c:228:37 [ 950.409411] member access within misaligned address ffff8800a3865ac9 for type 'union aml_resource' [ 950.437679] which requires 4 byte alignment [ 950.450504] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 950.468078] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 950.496381] 00000000ffffffff 00000000b1a89c60 ffff88005c9df358 ffffffffb26ec5cc [ 950.521587] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 950.543212] ffffffff00000010 ffff88005c9df380 ffff88005c9df330 ffffffffb363c3e0 [ 950.566535] Call Trace: [ 950.574430] [] dump_stack+0xd7/0x132 [ 950.588808] [] ? arch_local_irq_restore+0x1b/0x1b [ 950.606408] [] ubsan_epilogue+0x12/0x53 [ 950.623902] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 950.656219] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 950.678017] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 950.698991] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 950.718996] [] acpi_rs_set_resource_length+0xc1/0xd0 [ 950.741503] [] acpi_rs_set_resource_header+0x4b/0x52 [ 950.763634] [] acpi_rs_convert_resource_to_aml+0x108/0x963 [ 950.784324] [] acpi_rs_convert_resources_to_aml+0x17a/0x226 [ 950.807201] [] acpi_rs_create_aml_resources+0x15b/0x1a2 [ 950.830191] [] ? acpi_rs_create_pci_routing_table+0x960/0x960 [ 950.851725] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 950.871152] [] ? acpi_rs_set_srs_method_data+0xdd/0x2b1 [ 950.894309] [] acpi_rs_set_srs_method_data+0x169/0x2b1 [ 950.911649] [] ? acpi_rs_get_method_data+0xdd/0xdd [ 950.933708] [] ? kasan_poison_shadow+0x2f/0x31 [ 950.954011] [] ? kasan_unpoison_shadow+0x14/0x35 [ 950.974948] [] acpi_set_current_resources+0x108/0x15d [ 950.995708] [] ? acpi_get_vendor_resource+0x100/0x100 [ 951.013942] [] acpi_pci_link_set+0x45d/0x6e7 [ 951.033662] [] ? mutex_set_owner+0x8e/0xc6 [ 951.051223] [] ? acpi_pci_link_add+0x432/0x432 [ 951.070054] [] ? acpi_irq_get_penalty+0x295/0x2a4 [ 951.089000] [] acpi_pci_link_allocate_irq+0x611/0xb05 [ 951.110278] [] ? irqrouter_resume+0x120/0x120 [ 951.130188] [] ? raw_pci_read+0xd1/0xe0 [ 951.146844] [] acpi_pci_irq_enable+0x3f0/0x5b9 [ 951.164816] [] ? pci_bus_read_config_word+0x165/0x1a4 [ 951.185783] [] ? acpi_pci_irq_lookup+0x527/0x527 [ 951.206880] [] ? pci_enable_resources+0x357/0x399 [ 951.224697] [] ? pci_reassign_resource+0x2c7/0x2c7 [ 951.248199] [] pcibios_enable_device+0x74/0x83 [ 951.268102] [] do_pci_enable_device+0xd9/0x1d0 [ 951.283686] [] ? pci_find_saved_ext_cap+0x52/0x52 [ 951.301467] [] ? pci_enable_device_flags+0x24f/0x2df [ 951.321536] [] pci_enable_device_flags+0x288/0x2df [ 951.341052] [] ? pci_enable_bridge+0xe6/0xe6 [ 951.357399] [] pci_enable_device+0x21/0x23 [ 951.373916] [] quirk_usb_early_handoff+0x115/0xd62 [ 951.393876] [] ? sb800_prefetch+0x1a9/0x1a9 [ 951.410867] [] ? pci_dev_put+0x2d/0x30 [ 951.429239] [] ? pci_get_dev_by_id+0x98/0xa2 [ 951.446391] [] ? pci_get_subsys+0xc2/0xf5 [ 951.462529] [] ? pci_get_dev_by_id+0xa2/0xa2 [ 951.481269] [] pci_fixup_device+0x458/0x67d [ 951.500962] [] ? sb800_prefetch+0x1a9/0x1a9 [ 951.516984] [] pci_apply_final_quirks+0xe2/0x245 [ 951.537467] [] ? pci_proc_init+0x82/0x82 [ 951.553487] [] ? calipso_init+0xca/0x1c1 [ 951.569879] [] ? pci_proc_init+0x82/0x82 [ 951.588681] [] do_one_initcall+0x16d/0x258 [ 951.602581] [] ? initcall_blacklisted+0x198/0x198 [ 951.622891] [] ? up_write+0x8c/0xd9 [ 951.640676] [] ? down_write_trylock+0x100/0x100 [ 951.656173] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 951.676564] [] kernel_init_freeable+0x457/0x518 [ 951.695587] [] kernel_init+0x16/0x181 [ 951.712796] [] ret_from_fork+0x1f/0x40 [ 951.731064] [] ? rest_init+0x8f/0x8f [ 951.746101] ================================================================================ [ 951.785176] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11 [ 967.192698] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 967.226278] ================================================================================ [ 967.256440] UBSAN: Undefined behaviour in lib/zlib_inflate/inffast.c:279:20 [ 967.278919] load of misaligned address ffff88009fa1005d for type 'short unsigned int' [ 967.307306] which requires 2 byte alignment [ 967.320286] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 967.337985] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 967.371085] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9c0 ffffffffb26ec5cc [ 967.413038] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 967.463350] ffffffff00000010 ffff88005c9df9e8 ffff88005c9df998 ffffffffb363c3e0 [ 967.503035] Call Trace: [ 967.516039] [] dump_stack+0xd7/0x132 [ 967.533670] [] ? arch_local_irq_restore+0x1b/0x1b [ 967.554547] [] ubsan_epilogue+0x12/0x53 [ 967.573780] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 967.593473] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 967.616956] [] ? init_object+0x1d6/0x1e2 [ 967.635111] [] inflate_fast+0x1145/0x12ec [ 967.653158] [] zlib_inflate+0x2445/0x3f29 [ 967.670974] [] ? __kmalloc+0x6f/0x2e7 [ 967.691135] [] __gunzip+0x54c/0x80b [ 967.708775] [] ? bunzip2+0xe5d/0xe5d [ 967.729768] [] ? free_initrd+0x14e/0x14e [ 967.749866] [] ? __gunzip+0x80b/0x80b [ 967.773971] [] gunzip+0x4a/0x4c [ 967.791858] [] ? md_run_setup+0xad/0xad [ 967.815829] [] ? free_initrd+0x14e/0x14e [ 967.835529] [] unpack_to_rootfs+0x2b8/0x4e3 [ 967.857200] [] ? md_run_setup+0xad/0xad [ 967.875697] [] ? parse_header+0x240/0x240 [ 967.895087] [] ? pci_apply_final_quirks+0x20d/0x245 [ 967.912207] [] ? clean_rootfs+0x2b6/0x2b6 [ 967.931690] [] populate_rootfs+0x2d/0x1c2 [ 967.948289] [] ? clean_rootfs+0x2b6/0x2b6 [ 967.964278] [] do_one_initcall+0x16d/0x258 [ 967.979766] [] ? initcall_blacklisted+0x198/0x198 [ 968.001555] [] ? up_write+0x8c/0xd9 [ 968.017539] [] ? down_write_trylock+0x100/0x100 [ 968.041589] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 968.064232] [] kernel_init_freeable+0x457/0x518 [ 968.088345] [] kernel_init+0x16/0x181 [ 968.106140] [] ret_from_fork+0x1f/0x40 [ 968.153121] [] ? rest_init+0x8f/0x8f [ 968.235235] ================================================================================ [ 968.291757] ================================================================================ [ 968.347330] UBSAN: Undefined behaviour in fs/namei.c:3797:7 [ 968.402679] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 968.434596] which requires 64 byte alignment [ 968.451799] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 968.470673] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 968.493833] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9c8 ffffffffb26ec5cc [ 968.518512] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 968.542213] ffffffff00000010 ffff88005c9df9f0 ffff88005c9df9a0 ffffffffb363c3e0 [ 968.565192] Call Trace: [ 968.574734] [] dump_stack+0xd7/0x132 [ 968.592891] [] ? arch_local_irq_restore+0x1b/0x1b [ 968.610748] [] ubsan_epilogue+0x12/0x53 [ 968.631052] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 968.654083] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 968.686167] [] SYSC_mkdirat+0x128/0x222 [ 968.702605] [] ? SYSC_mknodat+0x3db/0x3db [ 968.730650] [] SyS_mkdir+0x27/0x2c [ 968.749534] [] do_name+0x273/0x456 [ 968.774960] [] ? do_start+0x80/0x80 [ 968.798586] [] ? do_header+0x1dd/0x1ec [ 968.831709] [] write_buffer+0x86/0xa0 [ 968.855112] [] flush_buffer+0x3a/0xee [ 968.871414] [] ? __gunzip+0x62e/0x80b [ 968.893883] [] __gunzip+0x67e/0x80b [ 968.908722] [] ? bunzip2+0xe5d/0xe5d [ 968.926949] [] ? free_initrd+0x14e/0x14e [ 968.944071] [] ? __gunzip+0x80b/0x80b [ 968.958138] [] gunzip+0x4a/0x4c [ 968.974701] [] ? md_run_setup+0xad/0xad [ 968.994642] [] ? free_initrd+0x14e/0x14e [ 969.010141] [] unpack_to_rootfs+0x2b8/0x4e3 [ 969.029563] [] ? md_run_setup+0xad/0xad [ 969.048688] [] ? parse_header+0x240/0x240 [ 969.066393] [] ? pci_apply_final_quirks+0x20d/0x245 [ 969.089961] [] ? clean_rootfs+0x2b6/0x2b6 [ 969.110470] [] populate_rootfs+0x2d/0x1c2 [ 969.131538] [] ? clean_rootfs+0x2b6/0x2b6 [ 969.149140] [] do_one_initcall+0x16d/0x258 [ 969.170651] [] ? initcall_blacklisted+0x198/0x198 [ 969.193765] [] ? up_write+0x8c/0xd9 [ 969.209497] [] ? down_write_trylock+0x100/0x100 [ 969.234403] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 969.258475] [] kernel_init_freeable+0x457/0x518 [ 969.279339] [] kernel_init+0x16/0x181 [ 969.298313] [] ret_from_fork+0x1f/0x40 [ 969.322112] [] ? rest_init+0x8f/0x8f [ 969.340654] ================================================================================ [ 969.380750] ================================================================================ [ 969.410377] UBSAN: Undefined behaviour in security/apparmor/include/lib.h:115:23 [ 969.437946] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 969.469541] which requires 64 byte alignment [ 969.483556] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 969.504438] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 969.536345] 00000000ffffffff 00000000b1a89c60 ffff88005c9df888 ffffffffb26ec5cc [ 969.562332] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 969.590079] 0000000000000010 ffff88005c9df8b0 ffff88005c9df860 ffffffffb363c3e0 [ 969.614133] Call Trace: [ 969.624719] [] dump_stack+0xd7/0x132 [ 969.643693] [] ? arch_local_irq_restore+0x1b/0x1b [ 969.661782] [] ubsan_epilogue+0x12/0x53 [ 969.677641] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 969.697055] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 969.722136] [] ? vprintk_default+0x65/0x6e [ 969.739193] [] common_perm_create.constprop.7+0x16f/0x221 [ 969.760493] [] ? apparmor_file_alloc_security+0x190/0x190 [ 969.788360] [] ? arch_local_irq_restore+0x6/0xd [ 969.805381] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 969.828789] [] apparmor_path_mkdir+0x2e/0x33 [ 969.847176] [] security_path_mkdir+0xe8/0x12c [ 969.864966] [] ? current_umask+0x66/0x6c [ 969.880757] [] SYSC_mkdirat+0x162/0x222 [ 969.897732] [] ? SYSC_mknodat+0x3db/0x3db [ 969.915022] [] SyS_mkdir+0x27/0x2c [ 969.930573] [] do_name+0x273/0x456 [ 969.945946] [] ? do_start+0x80/0x80 [ 969.959606] [] ? do_header+0x1dd/0x1ec [ 969.975666] [] write_buffer+0x86/0xa0 [ 969.992052] [] flush_buffer+0x3a/0xee [ 970.008958] [] ? __gunzip+0x62e/0x80b [ 970.025036] [] __gunzip+0x67e/0x80b [ 970.039710] [] ? bunzip2+0xe5d/0xe5d [ 970.057276] [] ? free_initrd+0x14e/0x14e [ 970.073513] [] ? __gunzip+0x80b/0x80b [ 970.089243] [] gunzip+0x4a/0x4c [ 970.103817] [] ? md_run_setup+0xad/0xad [ 970.119001] [] ? free_initrd+0x14e/0x14e [ 970.136879] [] unpack_to_rootfs+0x2b8/0x4e3 [ 970.152530] [] ? md_run_setup+0xad/0xad [ 970.168789] [] ? parse_header+0x240/0x240 [ 970.187885] [] ? pci_apply_final_quirks+0x20d/0x245 [ 970.209185] [] ? clean_rootfs+0x2b6/0x2b6 [ 970.224496] [] populate_rootfs+0x2d/0x1c2 [ 970.244334] [] ? clean_rootfs+0x2b6/0x2b6 [ 970.257743] [] do_one_initcall+0x16d/0x258 [ 970.276580] [] ? initcall_blacklisted+0x198/0x198 [ 970.295890] [] ? up_write+0x8c/0xd9 [ 970.312238] [] ? down_write_trylock+0x100/0x100 [ 970.330353] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 970.352312] [] kernel_init_freeable+0x457/0x518 [ 970.373966] [] kernel_init+0x16/0x181 [ 970.391422] [] ret_from_fork+0x1f/0x40 [ 970.408044] [] ? rest_init+0x8f/0x8f [ 970.424275] ================================================================================ [ 970.448754] ================================================================================ [ 970.477229] UBSAN: Undefined behaviour in fs/namei.c:3762:11 [ 970.496593] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 970.527356] which requires 64 byte alignment [ 970.540597] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 970.558023] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 970.587976] 00000000ffffffff 00000000b1a89c60 ffff88005c9df980 ffffffffb26ec5cc [ 970.611304] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 970.637193] 1ffff10000000010 ffff88005c9df9a8 ffff88005c9df958 ffffffffb363c3e0 [ 970.658046] Call Trace: [ 970.666609] [] dump_stack+0xd7/0x132 [ 970.687858] [] ? arch_local_irq_restore+0x1b/0x1b [ 970.704796] [] ubsan_epilogue+0x12/0x53 [ 970.723606] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 970.744246] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 970.766363] [] ? inode_permission+0xe0/0xed [ 970.782696] [] vfs_mkdir+0x72/0x259 [ 970.799110] [] SYSC_mkdirat+0x1a1/0x222 [ 970.816632] [] ? SYSC_mknodat+0x3db/0x3db [ 970.833541] [] SyS_mkdir+0x27/0x2c [ 970.852610] [] do_name+0x273/0x456 [ 970.867704] [] ? do_start+0x80/0x80 [ 970.886461] [] ? do_header+0x1dd/0x1ec [ 970.901064] [] write_buffer+0x86/0xa0 [ 970.917429] [] flush_buffer+0x3a/0xee [ 970.932463] [] ? __gunzip+0x62e/0x80b [ 970.948038] [] __gunzip+0x67e/0x80b [ 970.963082] [] ? bunzip2+0xe5d/0xe5d [ 970.978723] [] ? free_initrd+0x14e/0x14e [ 970.995820] [] ? __gunzip+0x80b/0x80b [ 971.011029] [] gunzip+0x4a/0x4c [ 971.026027] [] ? md_run_setup+0xad/0xad [ 971.042101] [] ? free_initrd+0x14e/0x14e [ 971.061047] [] unpack_to_rootfs+0x2b8/0x4e3 [ 971.076498] [] ? md_run_setup+0xad/0xad [ 971.095316] [] ? parse_header+0x240/0x240 [ 971.114460] [] ? pci_apply_final_quirks+0x20d/0x245 [ 971.134359] [] ? clean_rootfs+0x2b6/0x2b6 [ 971.154060] [] populate_rootfs+0x2d/0x1c2 [ 971.174258] [] ? clean_rootfs+0x2b6/0x2b6 [ 971.194114] [] do_one_initcall+0x16d/0x258 [ 971.214927] [] ? initcall_blacklisted+0x198/0x198 [ 971.238829] [] ? up_write+0x8c/0xd9 [ 971.257435] [] ? down_write_trylock+0x100/0x100 [ 971.275479] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 971.298196] [] kernel_init_freeable+0x457/0x518 [ 971.317099] [] kernel_init+0x16/0x181 [ 971.336487] [] ret_from_fork+0x1f/0x40 [ 971.359821] [] ? rest_init+0x8f/0x8f [ 971.391508] ================================================================================ [ 971.429641] ================================================================================ [ 971.475286] UBSAN: Undefined behaviour in security/apparmor/include/lib.h:115:23 [ 971.499194] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 971.532664] which requires 64 byte alignment [ 971.547394] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 971.565736] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 971.596259] 00000000ffffffff 00000000b1a89c60 ffff88005c9df760 ffffffffb26ec5cc [ 971.625078] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 971.650295] 0000000000000010 ffff88005c9df788 ffff88005c9df738 ffffffffb363c3e0 [ 971.675803] Call Trace: [ 971.683904] [] dump_stack+0xd7/0x132 [ 971.704615] [] ? arch_local_irq_restore+0x1b/0x1b [ 971.728276] [] ubsan_epilogue+0x12/0x53 [ 971.746581] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 971.767481] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 971.794100] [] common_perm_cond+0x1af/0x228 [ 971.813843] [] ? common_perm+0x92/0x92 [ 971.832803] [] ? kmem_cache_free+0x4b/0x2b3 [ 971.850359] [] ? putname+0x147/0x151 [ 971.871257] [] apparmor_path_chown+0x26/0x29 [ 971.891682] [] security_path_chown+0xec/0x132 [ 971.910700] [] ? down_write+0xb3/0xea [ 971.928544] [] chown_common+0x2ed/0x3e4 [ 971.947007] [] ? SYSC_fchmodat+0x10e/0x10e [ 971.967768] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 971.993032] [] ? __mnt_want_write+0x135/0x142 [ 972.014454] [] SYSC_fchownat+0x114/0x1a4 [ 972.032312] [] ? chown_common+0x3e4/0x3e4 [ 972.057324] [] ? SYSC_mknodat+0x3db/0x3db [ 972.075823] [] SyS_chown+0x32/0x39 [ 972.091844] [] do_name+0x28b/0x456 [ 972.109269] [] ? do_start+0x80/0x80 [ 972.127337] [] ? do_header+0x1dd/0x1ec [ 972.146100] [] write_buffer+0x86/0xa0 [ 972.163410] [] flush_buffer+0x3a/0xee [ 972.181865] [] ? __gunzip+0x62e/0x80b [ 972.199426] [] __gunzip+0x67e/0x80b [ 972.217593] [] ? bunzip2+0xe5d/0xe5d [ 972.236462] [] ? free_initrd+0x14e/0x14e [ 972.255689] [] ? __gunzip+0x80b/0x80b [ 972.269861] [] gunzip+0x4a/0x4c [ 972.288291] [] ? md_run_setup+0xad/0xad [ 972.314814] [] ? free_initrd+0x14e/0x14e [ 972.339060] [] unpack_to_rootfs+0x2b8/0x4e3 [ 972.361240] [] ? md_run_setup+0xad/0xad [ 972.379428] [] ? parse_header+0x240/0x240 [ 972.405619] [] ? pci_apply_final_quirks+0x20d/0x245 [ 972.454450] [] ? clean_rootfs+0x2b6/0x2b6 [ 972.487968] [] populate_rootfs+0x2d/0x1c2 [ 972.532226] [] ? clean_rootfs+0x2b6/0x2b6 [ 972.557916] [] do_one_initcall+0x16d/0x258 [ 972.594316] [] ? initcall_blacklisted+0x198/0x198 [ 972.627494] [] ? up_write+0x8c/0xd9 [ 972.656842] [] ? down_write_trylock+0x100/0x100 [ 972.685178] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 972.710297] [] kernel_init_freeable+0x457/0x518 [ 972.727735] [] kernel_init+0x16/0x181 [ 972.747265] [] ret_from_fork+0x1f/0x40 [ 972.764815] [] ? rest_init+0x8f/0x8f [ 972.779828] ================================================================================ [ 972.813315] ================================================================================ [ 972.841520] UBSAN: Undefined behaviour in fs/attr.c:175:20 [ 972.859941] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 972.887739] which requires 64 byte alignment [ 972.901230] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 972.922849] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 972.955711] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 972.979716] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 973.004217] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 973.028439] Call Trace: [ 973.034419] [] dump_stack+0xd7/0x132 [ 973.055300] [] ? arch_local_irq_restore+0x1b/0x1b [ 973.075427] [] ubsan_epilogue+0x12/0x53 [ 973.094128] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 973.114690] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 973.141051] [] setattr_copy+0x2a8/0x3b1 [ 973.160919] [] simple_setattr+0xc2/0xde [ 973.179531] [] notify_change+0xa7b/0xc5b [ 973.198913] [] chown_common+0x337/0x3e4 [ 973.219159] [] ? chown_common+0x337/0x3e4 [ 973.239743] [] ? SYSC_fchmodat+0x10e/0x10e [ 973.256391] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 973.278023] [] ? __mnt_want_write+0x135/0x142 [ 973.297268] [] SYSC_fchownat+0x114/0x1a4 [ 973.315591] [] ? chown_common+0x3e4/0x3e4 [ 973.335452] [] ? SYSC_mknodat+0x3db/0x3db [ 973.396367] [] SyS_chown+0x32/0x39 [ 973.431980] [] do_name+0x28b/0x456 [ 973.453459] [] ? do_start+0x80/0x80 [ 973.476820] [] ? do_header+0x1dd/0x1ec [ 973.495377] [] write_buffer+0x86/0xa0 [ 973.512263] [] flush_buffer+0x3a/0xee [ 973.535219] [] ? __gunzip+0x62e/0x80b [ 973.556094] [] __gunzip+0x67e/0x80b [ 973.584694] [] ? bunzip2+0xe5d/0xe5d [ 973.613342] [] ? free_initrd+0x14e/0x14e [ 973.630195] [] ? __gunzip+0x80b/0x80b [ 973.649513] [] gunzip+0x4a/0x4c [ 973.665640] [] ? md_run_setup+0xad/0xad [ 973.688593] [] ? free_initrd+0x14e/0x14e [ 973.707463] [] unpack_to_rootfs+0x2b8/0x4e3 [ 973.725226] [] ? md_run_setup+0xad/0xad [ 973.742476] [] ? parse_header+0x240/0x240 [ 973.762311] [] ? pci_apply_final_quirks+0x20d/0x245 [ 973.783809] [] ? clean_rootfs+0x2b6/0x2b6 [ 973.800262] [] populate_rootfs+0x2d/0x1c2 [ 973.818191] [] ? clean_rootfs+0x2b6/0x2b6 [ 973.839810] [] do_one_initcall+0x16d/0x258 [ 973.859082] [] ? initcall_blacklisted+0x198/0x198 [ 973.879799] [] ? up_write+0x8c/0xd9 [ 973.897381] [] ? down_write_trylock+0x100/0x100 [ 973.917540] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 973.943186] [] kernel_init_freeable+0x457/0x518 [ 973.962952] [] kernel_init+0x16/0x181 [ 973.979967] [] ret_from_fork+0x1f/0x40 [ 973.998945] [] ? rest_init+0x8f/0x8f [ 974.017491] ================================================================================ [ 974.048322] ================================================================================ [ 974.078570] UBSAN: Undefined behaviour in fs/fs-writeback.c:2088:9 [ 974.107249] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 974.142999] which requires 64 byte alignment [ 974.158330] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 974.178520] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 974.210296] 00000000ffffffff 00000000b1a89c60 ffff88005c9df768 ffffffffb26ec5cc [ 974.233693] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 974.260473] 1ffff10000000010 ffff88005c9df790 ffff88005c9df740 ffffffffb363c3e0 [ 974.283809] Call Trace: [ 974.292431] [] dump_stack+0xd7/0x132 [ 974.309044] [] ? arch_local_irq_restore+0x1b/0x1b [ 974.328981] [] ubsan_epilogue+0x12/0x53 [ 974.346928] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 974.371846] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 974.399581] [] __mark_inode_dirty+0xf9/0x9a3 [ 974.417517] [] ? setattr_copy+0x3a6/0x3b1 [ 974.438326] [] simple_setattr+0xcf/0xde [ 974.458650] [] notify_change+0xa7b/0xc5b [ 974.475613] [] chown_common+0x337/0x3e4 [ 974.492731] [] ? chown_common+0x337/0x3e4 [ 974.527963] [] ? SYSC_fchmodat+0x10e/0x10e [ 974.593490] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 974.617645] [] ? __mnt_want_write+0x135/0x142 [ 974.641795] [] SYSC_fchownat+0x114/0x1a4 [ 974.663016] [] ? chown_common+0x3e4/0x3e4 [ 974.679355] [] ? SYSC_mknodat+0x3db/0x3db [ 974.698965] [] SyS_chown+0x32/0x39 [ 974.714367] [] do_name+0x28b/0x456 [ 974.730838] [] ? do_start+0x80/0x80 [ 974.745686] [] ? do_header+0x1dd/0x1ec [ 974.766148] [] write_buffer+0x86/0xa0 [ 974.789546] [] flush_buffer+0x3a/0xee [ 974.807124] [] ? __gunzip+0x62e/0x80b [ 974.824580] [] __gunzip+0x67e/0x80b [ 974.843792] [] ? bunzip2+0xe5d/0xe5d [ 974.859371] [] ? free_initrd+0x14e/0x14e [ 974.878644] [] ? __gunzip+0x80b/0x80b [ 974.897291] [] gunzip+0x4a/0x4c [ 974.916868] [] ? md_run_setup+0xad/0xad [ 974.935793] [] ? free_initrd+0x14e/0x14e [ 974.950698] [] unpack_to_rootfs+0x2b8/0x4e3 [ 974.972022] [] ? md_run_setup+0xad/0xad [ 974.988451] [] ? parse_header+0x240/0x240 [ 975.008425] [] ? pci_apply_final_quirks+0x20d/0x245 [ 975.030247] [] ? clean_rootfs+0x2b6/0x2b6 [ 975.048772] [] populate_rootfs+0x2d/0x1c2 [ 975.067660] [] ? clean_rootfs+0x2b6/0x2b6 [ 975.088791] [] do_one_initcall+0x16d/0x258 [ 975.110163] [] ? initcall_blacklisted+0x198/0x198 [ 975.129574] [] ? up_write+0x8c/0xd9 [ 975.149656] [] ? down_write_trylock+0x100/0x100 [ 975.168454] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 975.194623] [] kernel_init_freeable+0x457/0x518 [ 975.215343] [] kernel_init+0x16/0x181 [ 975.230912] [] ret_from_fork+0x1f/0x40 [ 975.248428] [] ? rest_init+0x8f/0x8f [ 975.265086] ================================================================================ [ 975.295438] ================================================================================ [ 975.323190] UBSAN: Undefined behaviour in ./include/linux/backing-dev.h:188:11 [ 975.347459] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 975.379029] which requires 64 byte alignment [ 975.396857] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 975.417180] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 975.449018] 00000000ffffffff 00000000b1a89c60 ffff88005c9df680 ffffffffb26ec5cc [ 975.475311] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 975.498302] 0000000000000010 ffff88005c9df6a8 ffff88005c9df658 ffffffffb363c3e0 [ 975.524326] Call Trace: [ 975.532611] [] dump_stack+0xd7/0x132 [ 975.547383] [] ? arch_local_irq_restore+0x1b/0x1b [ 975.566859] [] ubsan_epilogue+0x12/0x53 [ 975.582356] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 975.602723] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 975.626179] [] ? ubsan_epilogue+0x26/0x53 [ 975.647573] [] inode_to_bdi+0x93/0xb9 [ 975.664105] [] ? __mark_inode_dirty+0x359/0x9a3 [ 975.682741] [] __inode_attach_wb+0x86/0x3a1 [ 975.703458] [] ? queue_io+0x3e9/0x3e9 [ 975.721977] [] __mark_inode_dirty+0x372/0x9a3 [ 975.742928] [] simple_setattr+0xcf/0xde [ 975.758358] [] notify_change+0xa7b/0xc5b [ 975.775604] [] chown_common+0x337/0x3e4 [ 975.793149] [] ? chown_common+0x337/0x3e4 [ 975.809807] [] ? SYSC_fchmodat+0x10e/0x10e [ 975.830116] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 975.852648] [] ? __mnt_want_write+0x135/0x142 [ 975.872007] [] SYSC_fchownat+0x114/0x1a4 [ 975.888268] [] ? chown_common+0x3e4/0x3e4 [ 975.908996] [] ? SYSC_mknodat+0x3db/0x3db [ 975.928795] [] SyS_chown+0x32/0x39 [ 975.942701] [] do_name+0x28b/0x456 [ 975.959991] [] ? do_start+0x80/0x80 [ 975.977314] [] ? do_header+0x1dd/0x1ec [ 975.994412] [] write_buffer+0x86/0xa0 [ 976.010354] [] flush_buffer+0x3a/0xee [ 976.027643] [] ? __gunzip+0x62e/0x80b [ 976.048479] [] __gunzip+0x67e/0x80b [ 976.062673] [] ? bunzip2+0xe5d/0xe5d [ 976.081018] [] ? free_initrd+0x14e/0x14e [ 976.102691] [] ? __gunzip+0x80b/0x80b [ 976.120895] [] gunzip+0x4a/0x4c [ 976.140102] [] ? md_run_setup+0xad/0xad [ 976.162099] [] ? free_initrd+0x14e/0x14e [ 976.178175] [] unpack_to_rootfs+0x2b8/0x4e3 [ 976.200395] [] ? md_run_setup+0xad/0xad [ 976.219819] [] ? parse_header+0x240/0x240 [ 976.240713] [] ? pci_apply_final_quirks+0x20d/0x245 [ 976.258914] [] ? clean_rootfs+0x2b6/0x2b6 [ 976.278543] [] populate_rootfs+0x2d/0x1c2 [ 976.296334] [] ? clean_rootfs+0x2b6/0x2b6 [ 976.314398] [] do_one_initcall+0x16d/0x258 [ 976.332971] [] ? initcall_blacklisted+0x198/0x198 [ 976.355079] [] ? up_write+0x8c/0xd9 [ 976.373631] [] ? down_write_trylock+0x100/0x100 [ 976.396770] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 976.418365] [] kernel_init_freeable+0x457/0x518 [ 976.437074] [] kernel_init+0x16/0x181 [ 976.457495] [] ret_from_fork+0x1f/0x40 [ 976.474507] [] ? rest_init+0x8f/0x8f [ 976.489514] ================================================================================ [ 976.517568] ================================================================================ [ 976.546447] UBSAN: Undefined behaviour in fs/namei.c:3726:7 [ 976.564210] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 976.595107] which requires 64 byte alignment [ 976.610335] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 976.624652] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 976.651825] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 976.675075] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 976.698486] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 976.721890] Call Trace: [ 976.731166] [] dump_stack+0xd7/0x132 [ 976.746704] [] ? arch_local_irq_restore+0x1b/0x1b [ 976.765113] [] ubsan_epilogue+0x12/0x53 [ 976.780034] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 976.799863] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 976.820902] [] SYSC_mknodat+0x1bc/0x3db [ 976.838793] [] ? user_path_create+0x3c/0x3c [ 976.858064] [] ? __list_add+0x211/0x249 [ 976.873308] [] SyS_mknod+0x2f/0x36 [ 976.889138] [] do_name+0x3cc/0x456 [ 976.903712] [] ? do_start+0x80/0x80 [ 976.920681] [] ? do_header+0x1dd/0x1ec [ 976.935256] [] write_buffer+0x86/0xa0 [ 976.952678] [] flush_buffer+0x3a/0xee [ 976.967869] [] ? __gunzip+0x62e/0x80b [ 976.984832] [] __gunzip+0x67e/0x80b [ 977.001876] [] ? bunzip2+0xe5d/0xe5d [ 977.019482] [] ? free_initrd+0x14e/0x14e [ 977.038452] [] ? __gunzip+0x80b/0x80b [ 977.053517] [] gunzip+0x4a/0x4c [ 977.069422] [] ? md_run_setup+0xad/0xad [ 977.087294] [] ? free_initrd+0x14e/0x14e [ 977.103895] [] unpack_to_rootfs+0x2b8/0x4e3 [ 977.119231] [] ? md_run_setup+0xad/0xad [ 977.137712] [] ? parse_header+0x240/0x240 [ 977.154322] [] ? pci_apply_final_quirks+0x20d/0x245 [ 977.177162] [] ? clean_rootfs+0x2b6/0x2b6 [ 977.194398] [] populate_rootfs+0x2d/0x1c2 [ 977.215434] [] ? clean_rootfs+0x2b6/0x2b6 [ 977.232007] [] do_one_initcall+0x16d/0x258 [ 977.253893] [] ? initcall_blacklisted+0x198/0x198 [ 977.288687] [] ? up_write+0x8c/0xd9 [ 977.306690] [] ? down_write_trylock+0x100/0x100 [ 977.331071] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 977.361076] [] kernel_init_freeable+0x457/0x518 [ 977.380555] [] kernel_init+0x16/0x181 [ 977.401623] [] ret_from_fork+0x1f/0x40 [ 977.418043] [] ? rest_init+0x8f/0x8f [ 977.438570] ================================================================================ [ 977.476740] ================================================================================ [ 977.504369] UBSAN: Undefined behaviour in fs/attr.c:169:20 [ 977.525128] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 977.560705] which requires 64 byte alignment [ 977.577617] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 977.600053] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 977.640756] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6f8 ffffffffb26ec5cc [ 977.669706] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 977.696933] ffff880000000010 ffff88005c9df720 ffff88005c9df6d0 ffffffffb363c3e0 [ 977.730864] Call Trace: [ 977.738723] [] dump_stack+0xd7/0x132 [ 977.758827] [] ? arch_local_irq_restore+0x1b/0x1b [ 977.783004] [] ubsan_epilogue+0x12/0x53 [ 977.813032] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 977.836646] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 977.863225] [] setattr_copy+0x14e/0x3b1 [ 977.883932] [] simple_setattr+0xc2/0xde [ 977.901807] [] notify_change+0xa7b/0xc5b [ 977.927745] [] utimes_common+0x3db/0x589 [ 977.946780] [] ? utimes_common+0x3db/0x589 [ 977.965442] [] ? SyS_sync_file_range2+0x3b/0x3b [ 977.983935] [] ? getname_flags+0x4f/0x2e0 [ 978.003372] [] ? user_path_at_empty+0x4c/0x55 [ 978.027270] [] do_utimes+0x211/0x29e [ 978.042706] [] ? utimes_common+0x589/0x589 [ 978.060709] [] ? mntput_no_expire+0x358/0x364 [ 978.082525] [] do_utime+0xaa/0xdc [ 978.102448] [] ? clean_path+0x112/0x112 [ 978.123264] [] ? chmod_common+0x2ed/0x2ed [ 978.144562] [] do_name+0x40a/0x456 [ 978.162204] [] ? do_name+0x40a/0x456 [ 978.181487] [] ? do_start+0x80/0x80 [ 978.200950] [] ? do_header+0x1dd/0x1ec [ 978.221734] [] write_buffer+0x86/0xa0 [ 978.242298] [] flush_buffer+0x3a/0xee [ 978.261971] [] ? __gunzip+0x62e/0x80b [ 978.276597] [] __gunzip+0x67e/0x80b [ 978.294770] [] ? bunzip2+0xe5d/0xe5d [ 978.312853] [] ? free_initrd+0x14e/0x14e [ 978.330602] [] ? __gunzip+0x80b/0x80b [ 978.350016] [] gunzip+0x4a/0x4c [ 978.366459] [] ? md_run_setup+0xad/0xad [ 978.386666] [] ? free_initrd+0x14e/0x14e [ 978.406781] [] unpack_to_rootfs+0x2b8/0x4e3 [ 978.424890] [] ? md_run_setup+0xad/0xad [ 978.444194] [] ? parse_header+0x240/0x240 [ 978.464274] [] ? pci_apply_final_quirks+0x20d/0x245 [ 978.486411] [] ? clean_rootfs+0x2b6/0x2b6 [ 978.518480] [] populate_rootfs+0x2d/0x1c2 [ 978.545651] [] ? clean_rootfs+0x2b6/0x2b6 [ 978.571377] [] do_one_initcall+0x16d/0x258 [ 978.587404] [] ? initcall_blacklisted+0x198/0x198 [ 978.614797] [] ? up_write+0x8c/0xd9 [ 978.629085] [] ? down_write_trylock+0x100/0x100 [ 978.648181] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 978.671002] [] kernel_init_freeable+0x457/0x518 [ 978.694116] [] kernel_init+0x16/0x181 [ 978.710737] [] ret_from_fork+0x1f/0x40 [ 978.725239] [] ? rest_init+0x8f/0x8f [ 978.743915] ================================================================================ [ 978.768907] ================================================================================ [ 978.798700] UBSAN: Undefined behaviour in fs/attr.c:172:20 [ 978.816005] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 978.845067] which requires 64 byte alignment [ 978.863791] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 978.882572] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 978.914449] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6f8 ffffffffb26ec5cc [ 978.940540] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 978.964839] ffffffff00000010 ffff88005c9df720 ffff88005c9df6d0 ffffffffb363c3e0 [ 979.002793] Call Trace: [ 979.019300] [] dump_stack+0xd7/0x132 [ 979.041069] [] ? arch_local_irq_restore+0x1b/0x1b [ 979.097236] [] ubsan_epilogue+0x12/0x53 [ 979.152640] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 979.189345] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 979.234655] [] setattr_copy+0x1fb/0x3b1 [ 979.260899] [] simple_setattr+0xc2/0xde [ 979.283310] [] notify_change+0xa7b/0xc5b [ 979.302936] [] utimes_common+0x3db/0x589 [ 979.333696] [] ? utimes_common+0x3db/0x589 [ 979.369335] [] ? SyS_sync_file_range2+0x3b/0x3b [ 979.407500] [] ? getname_flags+0x4f/0x2e0 [ 979.436103] [] ? user_path_at_empty+0x4c/0x55 [ 979.470249] [] do_utimes+0x211/0x29e [ 979.495421] [] ? utimes_common+0x589/0x589 [ 979.549520] [] ? mntput_no_expire+0x358/0x364 [ 979.633415] [] do_utime+0xaa/0xdc [ 979.667851] [] ? clean_path+0x112/0x112 [ 979.719249] [] ? chmod_common+0x2ed/0x2ed [ 979.780197] [] do_name+0x40a/0x456 [ 979.815510] [] ? do_name+0x40a/0x456 [ 979.847690] [] ? do_start+0x80/0x80 [ 979.899408] [] ? do_header+0x1dd/0x1ec [ 979.929070] [] write_buffer+0x86/0xa0 [ 979.949877] [] flush_buffer+0x3a/0xee [ 979.972553] [] ? __gunzip+0x62e/0x80b [ 980.002882] [] __gunzip+0x67e/0x80b [ 980.033370] [] ? bunzip2+0xe5d/0xe5d [ 980.063193] [] ? free_initrd+0x14e/0x14e [ 980.084365] [] ? __gunzip+0x80b/0x80b [ 980.104198] [] gunzip+0x4a/0x4c [ 980.129112] [] ? md_run_setup+0xad/0xad [ 980.153018] [] ? free_initrd+0x14e/0x14e [ 980.176085] [] unpack_to_rootfs+0x2b8/0x4e3 [ 980.202704] [] ? md_run_setup+0xad/0xad [ 980.230479] [] ? parse_header+0x240/0x240 [ 980.251203] [] ? pci_apply_final_quirks+0x20d/0x245 [ 980.277565] [] ? clean_rootfs+0x2b6/0x2b6 [ 980.297960] [] populate_rootfs+0x2d/0x1c2 [ 980.315916] [] ? clean_rootfs+0x2b6/0x2b6 [ 980.337749] [] do_one_initcall+0x16d/0x258 [ 980.363322] [] ? initcall_blacklisted+0x198/0x198 [ 980.386807] [] ? up_write+0x8c/0xd9 [ 980.406507] [] ? down_write_trylock+0x100/0x100 [ 980.431682] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 980.451823] [] kernel_init_freeable+0x457/0x518 [ 980.472347] [] kernel_init+0x16/0x181 [ 980.494275] [] ret_from_fork+0x1f/0x40 [ 980.514614] [] ? rest_init+0x8f/0x8f [ 980.532097] ================================================================================ [ 980.565120] ================================================================================ [ 980.597495] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 980.624099] load of misaligned address ffffffffb77ce74c for type 'volatile const long unsigned int' [ 980.654968] which requires 8 byte alignment [ 980.670374] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 980.689651] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 980.723452] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd28 ffffffffb26ec5cc [ 980.746137] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 980.774352] ffffffff00000010 ffff88005c9dfd50 ffff88005c9dfd00 ffffffffb363c3e0 [ 980.800083] Call Trace: [ 980.808656] [] dump_stack+0xd7/0x132 [ 980.832002] [] ? arch_local_irq_restore+0x1b/0x1b [ 980.856259] [] ubsan_epilogue+0x12/0x53 [ 980.881523] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 980.906493] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 980.935472] [] ? perf_ibs_pmu_init+0x1eb/0x1eb [ 980.958281] [] amd_ibs_init+0x2f/0x17f [ 980.980095] [] ? perf_ibs_pmu_init+0x1eb/0x1eb [ 981.012491] [] do_one_initcall+0x16d/0x258 [ 981.051290] [] ? initcall_blacklisted+0x198/0x198 [ 981.102011] [] ? up_write+0x8c/0xd9 [ 981.123428] [] ? down_write_trylock+0x100/0x100 [ 981.151109] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 981.184467] [] kernel_init_freeable+0x457/0x518 [ 981.217729] [] kernel_init+0x16/0x181 [ 981.239503] [] ret_from_fork+0x1f/0x40 [ 981.261747] [] ? rest_init+0x8f/0x8f [ 981.283753] ================================================================================ [ 981.317956] ================================================================================ [ 981.353405] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 981.380930] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 981.415930] which requires 8 byte alignment [ 981.431790] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 981.452770] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 981.487185] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc48 ffffffffb26ec5cc [ 981.517492] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 981.544225] ffff880000000010 ffff88005c9dfc70 ffff88005c9dfc20 ffffffffb363c3e0 [ 981.576066] Call Trace: [ 981.582056] [] dump_stack+0xd7/0x132 [ 981.603412] [] ? arch_local_irq_restore+0x1b/0x1b [ 981.631528] [] ubsan_epilogue+0x12/0x53 [ 981.653734] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 981.679493] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 981.703173] [] ? initcall_blacklisted+0x156/0x198 [ 981.728859] [] ? try_to_run_init_process+0x48/0x48 [ 981.749399] [] ? ubsan_epilogue+0x26/0x53 [ 981.768802] [] ? amd_ibs_init+0x17f/0x17f [ 981.789398] [] msr_init+0xae/0x47b [ 981.813663] [] ? amd_ibs_init+0x17f/0x17f [ 981.837083] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 981.861318] [] ? amd_ibs_init+0x17f/0x17f [ 981.884010] [] do_one_initcall+0x16d/0x258 [ 981.903314] [] ? initcall_blacklisted+0x198/0x198 [ 981.935557] [] ? up_write+0x8c/0xd9 [ 981.955396] [] ? down_write_trylock+0x100/0x100 [ 981.980810] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 982.002156] [] kernel_init_freeable+0x457/0x518 [ 982.028098] [] kernel_init+0x16/0x181 [ 982.049317] [] ret_from_fork+0x1f/0x40 [ 982.067890] [] ? rest_init+0x8f/0x8f [ 982.086630] ================================================================================ [ 982.116849] ================================================================================ [ 982.149691] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 982.173033] load of misaligned address ffffffffb77ce73c for type 'volatile const long unsigned int' [ 982.209225] which requires 8 byte alignment [ 982.222103] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 982.246923] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 982.281633] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc38 ffffffffb26ec5cc [ 982.307251] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 982.333001] 1ffff10000000010 ffff88005c9dfc60 ffff88005c9dfc10 ffffffffb363c3e0 [ 982.363795] Call Trace: [ 982.372070] [] dump_stack+0xd7/0x132 [ 982.391896] [] ? arch_local_irq_restore+0x1b/0x1b [ 982.420222] [] ubsan_epilogue+0x12/0x53 [ 982.440053] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 982.470099] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 982.496919] [] ? initcall_blacklisted+0x156/0x198 [ 982.522152] [] ? try_to_run_init_process+0x48/0x48 [ 982.553467] [] test_aperfmperf+0x31/0x52 [ 982.582449] [] msr_init+0x170/0x47b [ 982.600577] [] ? amd_ibs_init+0x17f/0x17f [ 982.624884] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 982.654769] [] ? amd_ibs_init+0x17f/0x17f [ 982.676331] [] do_one_initcall+0x16d/0x258 [ 982.701642] [] ? initcall_blacklisted+0x198/0x198 [ 982.720780] [] ? up_write+0x8c/0xd9 [ 982.738984] [] ? down_write_trylock+0x100/0x100 [ 982.760973] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 982.789463] [] kernel_init_freeable+0x457/0x518 [ 982.819762] [] kernel_init+0x16/0x181 [ 982.838860] [] ret_from_fork+0x1f/0x40 [ 982.862117] [] ? rest_init+0x8f/0x8f [ 982.883026] ================================================================================ [ 982.913110] ================================================================================ [ 982.944323] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 982.973158] load of misaligned address ffffffffb77ce74c for type 'volatile const long unsigned int' [ 983.007130] which requires 8 byte alignment [ 983.021929] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 983.057732] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 983.151963] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc38 ffffffffb26ec5cc [ 983.185000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 983.213305] ffffffff00000010 ffff88005c9dfc60 ffff88005c9dfc10 ffffffffb363c3e0 [ 983.237903] Call Trace: [ 983.249325] [] dump_stack+0xd7/0x132 [ 983.265461] [] ? arch_local_irq_restore+0x1b/0x1b [ 983.285594] [] ubsan_epilogue+0x12/0x53 [ 983.301528] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 983.321483] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 983.343934] [] ? initcall_blacklisted+0x156/0x198 [ 983.366289] [] test_ptsc+0x31/0x52 [ 983.381197] [] msr_init+0x170/0x47b [ 983.396193] [] ? amd_ibs_init+0x17f/0x17f [ 983.415467] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 983.438763] [] ? amd_ibs_init+0x17f/0x17f [ 983.459650] [] do_one_initcall+0x16d/0x258 [ 983.480803] [] ? initcall_blacklisted+0x198/0x198 [ 983.500974] [] ? up_write+0x8c/0xd9 [ 983.520293] [] ? down_write_trylock+0x100/0x100 [ 983.545466] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 983.593475] [] kernel_init_freeable+0x457/0x518 [ 983.672353] [] kernel_init+0x16/0x181 [ 983.769214] [] ret_from_fork+0x1f/0x40 [ 983.819212] [] ? rest_init+0x8f/0x8f [ 983.837364] ================================================================================ [ 983.872871] ================================================================================ [ 983.905822] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 983.933361] load of misaligned address ffffffffb77ce764 for type 'volatile const long unsigned int' [ 983.970158] which requires 8 byte alignment [ 983.989442] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 984.089304] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 984.173696] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc38 ffffffffb26ec5cc [ 984.211764] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 984.248108] ffffffff00000010 ffff88005c9dfc60 ffff88005c9dfc10 ffffffffb363c3e0 [ 984.287963] Call Trace: [ 984.300301] [] dump_stack+0xd7/0x132 [ 984.325059] [] ? arch_local_irq_restore+0x1b/0x1b [ 984.359967] [] ubsan_epilogue+0x12/0x53 [ 984.381562] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 984.411934] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 984.439855] [] ? initcall_blacklisted+0x156/0x198 [ 984.466427] [] test_irperf+0x31/0x52 [ 984.486384] [] msr_init+0x170/0x47b [ 984.505734] [] ? amd_ibs_init+0x17f/0x17f [ 984.523725] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 984.550514] [] ? amd_ibs_init+0x17f/0x17f [ 984.572914] [] do_one_initcall+0x16d/0x258 [ 984.605214] [] ? initcall_blacklisted+0x198/0x198 [ 984.635439] [] ? up_write+0x8c/0xd9 [ 984.661467] [] ? down_write_trylock+0x100/0x100 [ 984.687440] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 984.735509] [] kernel_init_freeable+0x457/0x518 [ 984.791107] [] kernel_init+0x16/0x181 [ 984.839957] [] ret_from_fork+0x1f/0x40 [ 984.866457] [] ? rest_init+0x8f/0x8f [ 984.931774] ================================================================================ [ 985.044965] kvm: no hardware support [ 985.067159] ================================================================================ [ 985.138983] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 985.217653] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 985.300236] which requires 8 byte alignment [ 985.331278] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 985.359824] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 985.468017] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd28 ffffffffb26ec5cc [ 985.518293] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 985.571026] ffff880000000010 ffff88005c9dfd50 ffff88005c9dfd00 ffffffffb363c3e0 [ 985.623376] Call Trace: [ 985.650865] [] dump_stack+0xd7/0x132 [ 985.667970] [] ? arch_local_irq_restore+0x1b/0x1b [ 985.691455] [] ubsan_epilogue+0x12/0x53 [ 985.713135] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 985.736469] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 985.758885] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 985.780467] [] ? cpufreq_register_tsc_scaling+0x97/0x97 [ 985.802759] [] init_tsc_clocksource+0x2a/0x14f [ 985.819855] [] ? cpufreq_register_tsc_scaling+0x97/0x97 [ 985.846449] [] do_one_initcall+0x16d/0x258 [ 985.866843] [] ? initcall_blacklisted+0x198/0x198 [ 985.889342] [] ? up_write+0x8c/0xd9 [ 985.907049] [] ? down_write_trylock+0x100/0x100 [ 985.929585] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 985.948514] [] kernel_init_freeable+0x457/0x518 [ 985.968669] [] kernel_init+0x16/0x181 [ 985.986443] [] ret_from_fork+0x1f/0x40 [ 986.006204] [] ? rest_init+0x8f/0x8f [ 986.024467] ================================================================================ [ 986.052557] ================================================================================ [ 986.079694] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 986.104547] load of misaligned address ffffffffb77ce73c for type 'volatile const long unsigned int' [ 986.138861] which requires 8 byte alignment [ 986.156592] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 986.185054] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 986.231351] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd28 ffffffffb26ec5cc [ 986.267889] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 986.305164] ffffffff00000010 ffff88005c9dfd50 ffff88005c9dfd00 ffffffffb363c3e0 [ 986.345235] Call Trace: [ 986.356349] [] dump_stack+0xd7/0x132 [ 986.386514] [] ? arch_local_irq_restore+0x1b/0x1b [ 986.417548] [] ubsan_epilogue+0x12/0x53 [ 986.440735] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 986.474827] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 986.503203] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 986.527039] [] init_tsc_clocksource+0xb7/0x14f [ 986.550406] [] ? cpufreq_register_tsc_scaling+0x97/0x97 [ 986.572149] [] do_one_initcall+0x16d/0x258 [ 986.591341] [] ? initcall_blacklisted+0x198/0x198 [ 986.616514] [] ? up_write+0x8c/0xd9 [ 986.635375] [] ? down_write_trylock+0x100/0x100 [ 986.657231] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 986.687511] [] kernel_init_freeable+0x457/0x518 [ 986.719001] [] kernel_init+0x16/0x181 [ 986.757706] [] ret_from_fork+0x1f/0x40 [ 986.809516] [] ? rest_init+0x8f/0x8f [ 986.923532] ================================================================================ [ 987.006458] ================================================================================ [ 987.055473] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 987.116523] load of misaligned address ffffffffb77ce73c for type 'volatile const long unsigned int' [ 987.155001] which requires 8 byte alignment [ 987.170151] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 987.190701] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 987.233104] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd28 ffffffffb26ec5cc [ 987.259609] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 987.288191] ffffffff00000010 ffff88005c9dfd50 ffff88005c9dfd00 ffffffffb363c3e0 [ 987.318182] Call Trace: [ 987.324794] [] dump_stack+0xd7/0x132 [ 987.345381] [] ? arch_local_irq_restore+0x1b/0x1b [ 987.371200] [] ubsan_epilogue+0x12/0x53 [ 987.390144] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 987.417613] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 987.442968] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 987.473403] [] init_tsc_clocksource+0xfe/0x14f [ 987.501665] [] ? cpufreq_register_tsc_scaling+0x97/0x97 [ 987.528316] [] do_one_initcall+0x16d/0x258 [ 987.551546] [] ? initcall_blacklisted+0x198/0x198 [ 987.575824] [] ? up_write+0x8c/0xd9 [ 987.601604] [] ? down_write_trylock+0x100/0x100 [ 987.627602] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 987.659662] [] kernel_init_freeable+0x457/0x518 [ 987.687335] [] kernel_init+0x16/0x181 [ 987.708021] [] ret_from_fork+0x1f/0x40 [ 987.735617] [] ? rest_init+0x8f/0x8f [ 987.776812] ================================================================================ [ 987.897414] Scanning for low memory corruption every 60 seconds [ 988.038150] futex hash table entries: 1024 (order: 4, 65536 bytes) [ 988.071209] audit: initializing netlink subsys (disabled) [ 988.102650] audit: type=2000 audit(1484172972.018:1): initialized [ 988.143568] Initialise system trusted keyrings [ 988.196246] workingset: timestamp_bits=40 max_order=20 bucket_order=0 [ 989.539887] zbud: loaded [ 989.692375] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 989.851612] fuse init (API version 7.25) [ 989.887124] ================================================================================ [ 989.916983] UBSAN: Undefined behaviour in ipc/mqueue.c:308:24 [ 989.938078] member access within misaligned address ffff8800a2837028 for type 'struct super_block' [ 989.970858] which requires 64 byte alignment [ 989.986351] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 990.007195] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 990.040692] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbc8 ffffffffb26ec5cc [ 990.070735] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 990.097651] ffff880000000010 ffff88005c9dfbf0 ffff88005c9dfba0 ffffffffb363c3e0 [ 990.123304] Call Trace: [ 990.134613] [] dump_stack+0xd7/0x132 [ 990.161074] [] ? arch_local_irq_restore+0x1b/0x1b [ 990.187251] [] ubsan_epilogue+0x12/0x53 [ 990.209938] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 990.238499] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 990.272447] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 990.301315] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 990.327231] [] ? mqueue_get_inode+0xb57/0xb57 [ 990.357208] [] mqueue_fill_super+0x2f/0x1ba [ 990.385621] [] ? mqueue_get_inode+0xb57/0xb57 [ 990.407195] [] mount_ns+0xd2/0x18b [ 990.429242] [] mqueue_mount+0xd6/0xdf [ 990.453857] [] mount_fs+0xd0/0x2ca [ 990.476273] [] vfs_kern_mount+0xa0/0x20a [ 990.496678] [] kern_mount_data+0x4b/0x9a [ 990.522761] [] mq_init_ns+0x13f/0x1e7 [ 990.546915] [] init_mqueue_fs+0x8a/0xdc [ 990.570733] [] ? ipc_sysctl_init+0x19/0x19 [ 990.592029] [] do_one_initcall+0x16d/0x258 [ 990.615354] [] ? initcall_blacklisted+0x198/0x198 [ 990.637817] [] ? up_write+0x8c/0xd9 [ 990.656888] [] ? down_write_trylock+0x100/0x100 [ 990.680583] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 990.702130] [] kernel_init_freeable+0x457/0x518 [ 990.722237] [] kernel_init+0x16/0x181 [ 990.752060] [] ret_from_fork+0x1f/0x40 [ 990.778342] [] ? rest_init+0x8f/0x8f [ 990.806185] ================================================================================ [ 990.833344] ================================================================================ [ 990.858239] UBSAN: Undefined behaviour in ipc/mqueue.c:310:15 [ 990.873680] member access within misaligned address ffff8800a2837028 for type 'struct super_block' [ 990.899542] which requires 64 byte alignment [ 990.909168] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 990.926571] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 990.954424] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbc8 ffffffffb26ec5cc [ 990.975932] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 991.000002] ffffffff00000010 ffff88005c9dfbf0 ffff88005c9dfba0 ffffffffb363c3e0 [ 991.020760] Call Trace: [ 991.026742] [] dump_stack+0xd7/0x132 [ 991.043125] [] ? arch_local_irq_restore+0x1b/0x1b [ 991.068386] [] ubsan_epilogue+0x12/0x53 [ 991.086120] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 991.108464] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 991.133082] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 991.156368] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 991.177828] [] mqueue_fill_super+0x5b/0x1ba [ 991.200800] [] ? mqueue_get_inode+0xb57/0xb57 [ 991.224681] [] mount_ns+0xd2/0x18b [ 991.243145] [] mqueue_mount+0xd6/0xdf [ 991.267777] [] mount_fs+0xd0/0x2ca [ 991.288902] [] vfs_kern_mount+0xa0/0x20a [ 991.316132] [] kern_mount_data+0x4b/0x9a [ 991.338407] [] mq_init_ns+0x13f/0x1e7 [ 991.367169] [] init_mqueue_fs+0x8a/0xdc [ 991.390695] [] ? ipc_sysctl_init+0x19/0x19 [ 991.413798] [] do_one_initcall+0x16d/0x258 [ 991.433551] [] ? initcall_blacklisted+0x198/0x198 [ 991.454199] [] ? up_write+0x8c/0xd9 [ 991.469228] [] ? down_write_trylock+0x100/0x100 [ 991.490142] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 991.516614] [] kernel_init_freeable+0x457/0x518 [ 991.540415] [] kernel_init+0x16/0x181 [ 991.572651] [] ret_from_fork+0x1f/0x40 [ 991.603953] [] ? rest_init+0x8f/0x8f [ 991.659362] ================================================================================ [ 991.706561] ================================================================================ [ 991.744726] UBSAN: Undefined behaviour in ipc/mqueue.c:310:15 [ 991.770437] member access within misaligned address ffff8800a2837028 for type 'struct super_block' [ 991.809321] which requires 64 byte alignment [ 991.826731] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 991.864439] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 991.899432] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbc8 ffffffffb26ec5cc [ 991.923710] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 991.960580] ffffffff00000010 ffff88005c9dfbf0 ffff88005c9dfba0 ffffffffb363c3e0 [ 991.982323] Call Trace: [ 991.988787] [] dump_stack+0xd7/0x132 [ 992.004479] [] ? arch_local_irq_restore+0x1b/0x1b [ 992.025285] [] ubsan_epilogue+0x12/0x53 [ 992.040168] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 992.059700] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 992.080433] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 992.102735] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 992.120100] [] mqueue_fill_super+0x85/0x1ba [ 992.135929] [] ? mqueue_get_inode+0xb57/0xb57 [ 992.151517] [] mount_ns+0xd2/0x18b [ 992.166892] [] mqueue_mount+0xd6/0xdf [ 992.183656] [] mount_fs+0xd0/0x2ca [ 992.197076] [] vfs_kern_mount+0xa0/0x20a [ 992.215671] [] kern_mount_data+0x4b/0x9a [ 992.235070] [] mq_init_ns+0x13f/0x1e7 [ 992.255075] [] init_mqueue_fs+0x8a/0xdc [ 992.272029] [] ? ipc_sysctl_init+0x19/0x19 [ 992.287901] [] do_one_initcall+0x16d/0x258 [ 992.304617] [] ? initcall_blacklisted+0x198/0x198 [ 992.322383] [] ? up_write+0x8c/0xd9 [ 992.335578] [] ? down_write_trylock+0x100/0x100 [ 992.355529] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 992.376777] [] kernel_init_freeable+0x457/0x518 [ 992.401416] [] kernel_init+0x16/0x181 [ 992.416654] [] ret_from_fork+0x1f/0x40 [ 992.433252] [] ? rest_init+0x8f/0x8f [ 992.447487] ================================================================================ [ 992.473352] ================================================================================ [ 992.504396] UBSAN: Undefined behaviour in ipc/mqueue.c:311:18 [ 992.521123] member access within misaligned address ffff8800a2837028 for type 'struct super_block' [ 992.549679] which requires 64 byte alignment [ 992.567800] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 992.587635] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 992.618500] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbc8 ffffffffb26ec5cc [ 992.639563] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 992.664321] ffffffff00000010 ffff88005c9dfbf0 ffff88005c9dfba0 ffffffffb363c3e0 [ 992.688023] Call Trace: [ 992.695902] [] dump_stack+0xd7/0x132 [ 992.712148] [] ? arch_local_irq_restore+0x1b/0x1b [ 992.730698] [] ubsan_epilogue+0x12/0x53 [ 992.744015] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 992.765427] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 992.785204] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 992.808492] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 992.830978] [] mqueue_fill_super+0xa2/0x1ba [ 992.846231] [] ? mqueue_get_inode+0xb57/0xb57 [ 992.868739] [] mount_ns+0xd2/0x18b [ 992.883419] [] mqueue_mount+0xd6/0xdf [ 992.896099] [] mount_fs+0xd0/0x2ca [ 992.911137] [] vfs_kern_mount+0xa0/0x20a [ 992.925180] [] kern_mount_data+0x4b/0x9a [ 992.942132] [] mq_init_ns+0x13f/0x1e7 [ 992.959013] [] init_mqueue_fs+0x8a/0xdc [ 992.975596] [] ? ipc_sysctl_init+0x19/0x19 [ 992.989935] [] do_one_initcall+0x16d/0x258 [ 993.006393] [] ? initcall_blacklisted+0x198/0x198 [ 993.027545] [] ? up_write+0x8c/0xd9 [ 993.040492] [] ? down_write_trylock+0x100/0x100 [ 993.059982] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 993.080712] [] kernel_init_freeable+0x457/0x518 [ 993.099646] [] kernel_init+0x16/0x181 [ 993.116913] [] ret_from_fork+0x1f/0x40 [ 993.132004] [] ? rest_init+0x8f/0x8f [ 993.150226] ================================================================================ [ 993.178981] ================================================================================ [ 993.226010] UBSAN: Undefined behaviour in ipc/mqueue.c:312:23 [ 993.274063] member access within misaligned address ffff8800a2837028 for type 'struct super_block' [ 993.322551] which requires 64 byte alignment [ 993.346935] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 993.373209] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 993.406990] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbc8 ffffffffb26ec5cc [ 993.433925] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 993.460916] ffffffff00000010 ffff88005c9dfbf0 ffff88005c9dfba0 ffffffffb363c3e0 [ 993.487990] Call Trace: [ 993.499632] [] dump_stack+0xd7/0x132 [ 993.526056] [] ? arch_local_irq_restore+0x1b/0x1b [ 993.561428] [] ubsan_epilogue+0x12/0x53 [ 993.586454] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 993.620860] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 993.649953] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 993.684054] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 993.714547] [] mqueue_fill_super+0xcc/0x1ba [ 993.741683] [] ? mqueue_get_inode+0xb57/0xb57 [ 993.768060] [] mount_ns+0xd2/0x18b [ 993.790807] [] mqueue_mount+0xd6/0xdf [ 993.835755] [] mount_fs+0xd0/0x2ca [ 993.871472] [] vfs_kern_mount+0xa0/0x20a [ 993.910597] [] kern_mount_data+0x4b/0x9a [ 993.929500] [] mq_init_ns+0x13f/0x1e7 [ 993.946154] [] init_mqueue_fs+0x8a/0xdc [ 993.965791] [] ? ipc_sysctl_init+0x19/0x19 [ 993.983983] [] do_one_initcall+0x16d/0x258 [ 994.000933] [] ? initcall_blacklisted+0x198/0x198 [ 994.022625] [] ? up_write+0x8c/0xd9 [ 994.039438] [] ? down_write_trylock+0x100/0x100 [ 994.057154] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 994.081286] [] kernel_init_freeable+0x457/0x518 [ 994.102040] [] kernel_init+0x16/0x181 [ 994.119345] [] ret_from_fork+0x1f/0x40 [ 994.135179] [] ? rest_init+0x8f/0x8f [ 994.153144] ================================================================================ [ 994.184414] ================================================================================ [ 994.211419] UBSAN: Undefined behaviour in ipc/mqueue.c:313:14 [ 994.235436] member access within misaligned address ffff8800a2837028 for type 'struct super_block' [ 994.271030] which requires 64 byte alignment [ 994.286495] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 994.307146] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 994.340886] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbc8 ffffffffb26ec5cc [ 994.364831] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 994.402251] ffffffff00000010 ffff88005c9dfbf0 ffff88005c9dfba0 ffffffffb363c3e0 [ 994.425311] Call Trace: [ 994.443455] [] dump_stack+0xd7/0x132 [ 994.460880] [] ? arch_local_irq_restore+0x1b/0x1b [ 994.487697] [] ubsan_epilogue+0x12/0x53 [ 994.507598] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 994.531845] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 994.559660] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 994.587998] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 994.618424] [] mqueue_fill_super+0xf2/0x1ba [ 994.636378] [] ? mqueue_get_inode+0xb57/0xb57 [ 994.663699] [] mount_ns+0xd2/0x18b [ 994.684136] [] mqueue_mount+0xd6/0xdf [ 994.700475] [] mount_fs+0xd0/0x2ca [ 994.715532] [] vfs_kern_mount+0xa0/0x20a [ 994.734049] [] kern_mount_data+0x4b/0x9a [ 994.751608] [] mq_init_ns+0x13f/0x1e7 [ 994.771065] [] init_mqueue_fs+0x8a/0xdc [ 994.790120] [] ? ipc_sysctl_init+0x19/0x19 [ 994.814522] [] do_one_initcall+0x16d/0x258 [ 994.836877] [] ? initcall_blacklisted+0x198/0x198 [ 994.860503] [] ? up_write+0x8c/0xd9 [ 994.884581] [] ? down_write_trylock+0x100/0x100 [ 994.921459] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 994.959389] [] kernel_init_freeable+0x457/0x518 [ 994.985052] [] kernel_init+0x16/0x181 [ 995.003678] [] ret_from_fork+0x1f/0x40 [ 995.019916] [] ? rest_init+0x8f/0x8f [ 995.035091] ================================================================================ [ 995.063187] ================================================================================ [ 995.088444] UBSAN: Undefined behaviour in ipc/mqueue.c:314:11 [ 995.104539] member access within misaligned address ffff8800a2837028 for type 'struct super_block' [ 995.131275] which requires 64 byte alignment [ 995.141926] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 995.157800] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 995.184228] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbc8 ffffffffb26ec5cc [ 995.206682] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 995.229141] ffffffff00000010 ffff88005c9dfbf0 ffff88005c9dfba0 ffffffffb363c3e0 [ 995.252358] Call Trace: [ 995.259464] [] dump_stack+0xd7/0x132 [ 995.277178] [] ? arch_local_irq_restore+0x1b/0x1b [ 995.295370] [] ubsan_epilogue+0x12/0x53 [ 995.324851] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 995.370668] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 995.403899] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 995.431982] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 995.455975] [] mqueue_fill_super+0x11c/0x1ba [ 995.479298] [] ? mqueue_get_inode+0xb57/0xb57 [ 995.502261] [] mount_ns+0xd2/0x18b [ 995.518587] [] mqueue_mount+0xd6/0xdf [ 995.537816] [] mount_fs+0xd0/0x2ca [ 995.554230] [] vfs_kern_mount+0xa0/0x20a [ 995.582098] [] kern_mount_data+0x4b/0x9a [ 995.605199] [] mq_init_ns+0x13f/0x1e7 [ 995.624550] [] init_mqueue_fs+0x8a/0xdc [ 995.644613] [] ? ipc_sysctl_init+0x19/0x19 [ 995.661603] [] do_one_initcall+0x16d/0x258 [ 995.681398] [] ? initcall_blacklisted+0x198/0x198 [ 995.702626] [] ? up_write+0x8c/0xd9 [ 995.723359] [] ? down_write_trylock+0x100/0x100 [ 995.751659] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 995.773259] [] kernel_init_freeable+0x457/0x518 [ 995.793001] [] kernel_init+0x16/0x181 [ 995.811160] [] ret_from_fork+0x1f/0x40 [ 995.827980] [] ? rest_init+0x8f/0x8f [ 995.844228] ================================================================================ [ 995.875794] ================================================================================ [ 995.905270] UBSAN: Undefined behaviour in ipc/mqueue.c:320:13 [ 995.920335] member access within misaligned address ffff8800a2837028 for type 'struct super_block' [ 995.945507] which requires 64 byte alignment [ 995.959308] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 995.980229] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 996.013055] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbc8 ffffffffb26ec5cc [ 996.038424] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 996.063241] 0020000000000010 ffff88005c9dfbf0 ffff88005c9dfba0 ffffffffb363c3e0 [ 996.087603] Call Trace: [ 996.096092] [] dump_stack+0xd7/0x132 [ 996.111661] [] ? arch_local_irq_restore+0x1b/0x1b [ 996.132832] [] ubsan_epilogue+0x12/0x53 [ 996.150877] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 996.180011] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 996.211427] [] mqueue_fill_super+0x17a/0x1ba [ 996.235661] [] ? mqueue_get_inode+0xb57/0xb57 [ 996.257274] [] mount_ns+0xd2/0x18b [ 996.276726] [] mqueue_mount+0xd6/0xdf [ 996.293788] [] mount_fs+0xd0/0x2ca [ 996.312341] [] vfs_kern_mount+0xa0/0x20a [ 996.333638] [] kern_mount_data+0x4b/0x9a [ 996.353673] [] mq_init_ns+0x13f/0x1e7 [ 996.369287] [] init_mqueue_fs+0x8a/0xdc [ 996.389187] [] ? ipc_sysctl_init+0x19/0x19 [ 996.407829] [] do_one_initcall+0x16d/0x258 [ 996.427767] [] ? initcall_blacklisted+0x198/0x198 [ 996.446512] [] ? up_write+0x8c/0xd9 [ 996.465736] [] ? down_write_trylock+0x100/0x100 [ 996.487447] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 996.505545] [] kernel_init_freeable+0x457/0x518 [ 996.523668] [] kernel_init+0x16/0x181 [ 996.541398] [] ret_from_fork+0x1f/0x40 [ 996.555270] [] ? rest_init+0x8f/0x8f [ 996.572686] ================================================================================ [ 996.600950] ================================================================================ [ 996.626066] UBSAN: Undefined behaviour in ipc/mqueue.c:321:9 [ 996.644967] member access within misaligned address ffff8800a2837028 for type 'struct super_block' [ 996.673235] which requires 64 byte alignment [ 996.686120] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 996.707258] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 996.739334] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbc8 ffffffffb26ec5cc [ 996.764782] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 996.791215] ffffffff00000010 ffff88005c9dfbf0 ffff88005c9dfba0 ffffffffb363c3e0 [ 996.838872] Call Trace: [ 996.851748] [] dump_stack+0xd7/0x132 [ 996.869764] [] ? arch_local_irq_restore+0x1b/0x1b [ 996.916239] [] ubsan_epilogue+0x12/0x53 [ 996.935228] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 996.960568] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 996.988851] [] mqueue_fill_super+0x1a0/0x1ba [ 997.011284] [] ? mqueue_get_inode+0xb57/0xb57 [ 997.030919] [] mount_ns+0xd2/0x18b [ 997.047340] [] mqueue_mount+0xd6/0xdf [ 997.063937] [] mount_fs+0xd0/0x2ca [ 997.082210] [] vfs_kern_mount+0xa0/0x20a [ 997.095991] [] kern_mount_data+0x4b/0x9a [ 997.119806] [] mq_init_ns+0x13f/0x1e7 [ 997.136648] [] init_mqueue_fs+0x8a/0xdc [ 997.159049] [] ? ipc_sysctl_init+0x19/0x19 [ 997.179194] [] do_one_initcall+0x16d/0x258 [ 997.200158] [] ? initcall_blacklisted+0x198/0x198 [ 997.224945] [] ? up_write+0x8c/0xd9 [ 997.241518] [] ? down_write_trylock+0x100/0x100 [ 997.262959] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 997.294072] [] kernel_init_freeable+0x457/0x518 [ 997.317672] [] kernel_init+0x16/0x181 [ 997.338485] [] ret_from_fork+0x1f/0x40 [ 997.359032] [] ? rest_init+0x8f/0x8f [ 997.377529] ================================================================================ [ 997.407032] Allocating IMA blacklist keyring. [ 997.439958] ================================================================================ [ 997.546498] UBSAN: Undefined behaviour in kernel/exit.c:698:2 [ 997.605736] member access within misaligned address ffff8800a04d7870 for type 'struct task_struct' [ 997.606352] Key type asymmetric registered [ 997.606362] Asymmetric key parser 'x509' registered [ 997.614545] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) [ 997.626998] io scheduler noop registered [ 997.627011] io scheduler deadline registered (default) [ 997.643833] io scheduler cfq registered [ 997.727909] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 997.728241] pciehp: PCI Express Hot Plug Controller Driver version: 0.4 [ 997.747878] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 997.747936] ACPI: Power Button [PWRF] [ 997.799248] GHES: HEST is not enabled! [ 997.984375] which requires 64 byte alignment [ 998.003601] CPU: 0 PID: 59 Comm: cryptomgr_test Not tainted 4.8.11 #1 [ 998.027884] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 998.067141] 00000000ffffffff 000000004aa9f2c7 ffff8800a04d7b90 ffffffffb26ec5cc [ 998.096121] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 998.124789] 0000000000000010 ffff8800a04d7bb8 ffff8800a04d7b68 ffffffffb363c3e0 [ 998.154697] Call Trace: [ 998.163492] [] dump_stack+0xd7/0x132 [ 998.186160] [] ? arch_local_irq_restore+0x1b/0x1b [ 998.210764] [] ubsan_epilogue+0x12/0x53 [ 998.230873] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 998.259595] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 998.289700] [] ? __list_add+0x249/0x249 [ 998.320797] [] do_exit+0x1cac/0x20bc [ 998.342957] [] ? __switch_to+0xa3c/0xd58 [ 998.374545] [] ? mm_update_next_owner+0x58c/0x58c [ 998.400378] [] ? crypto_remove_final+0x1c7/0x203 [ 998.424341] [] ? crypto_alloc_instance+0x73/0x73 [ 998.446571] [] ? down_write_trylock+0x100/0x100 [ 998.473193] [] ? kasan_slab_free+0x8a/0x96 [ 998.494442] [] ? slab_free_freelist_hook+0x129/0x134 [ 998.512837] [] ? kfree+0x14f/0x374 [ 998.532377] [] __module_put_and_exit+0x1f/0x1f [ 998.556366] [] cryptomgr_test+0x4b/0x4b [ 998.575681] [] kthread+0x1f7/0x20b [ 998.596950] [] ? pkcs1pad_set_priv_key+0x1d5/0x1d5 [ 998.633350] [] ? init_completion+0x48/0x48 [ 998.673541] [] ret_from_fork+0x1f/0x40 [ 998.696342] [] ? init_completion+0x48/0x48 [ 998.736369] ================================================================================ [ 998.842648] Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled [ 999.053312] ================================================================================ [ 999.098461] UBSAN: Undefined behaviour in ./include/linux/irqdesc.h:147:6 [ 999.128155] member access within misaligned address ffff88005d0a7230 for type 'struct irq_desc' [ 999.160024] which requires 64 byte alignment [ 999.186352] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 999.212648] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 999.253064] 00000000ffffffff 00000000b1a89c60 ffff88005d407d08 ffffffffb26ec5cc [ 999.287695] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 999.320593] ffff880000000010 ffff88005d407d30 ffff88005d407ce0 ffffffffb363c3e0 [ 999.348733] Call Trace: [ 999.359114] [] dump_stack+0xd7/0x132 [ 999.381568] [] ? arch_local_irq_restore+0x1b/0x1b [ 999.406707] [] ubsan_epilogue+0x12/0x53 [ 999.432745] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 999.558602] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 999.644281] [] ? ktime_add_safe+0x78/0x84 [ 999.690880] [] handle_irq+0x30/0x47 [ 999.713047] [] do_IRQ+0x8a/0x110 [ 999.738387] [] common_interrupt+0x82/0x82 [ 999.764097] [] ? __do_softirq+0x8c/0x59e [ 999.793242] [] ? arch_local_irq_enable+0xb/0xd [ 999.816882] [] __do_softirq+0x103/0x59e [ 999.844706] [] ? hrtimer_interrupt+0x40f/0x41c [ 999.874340] [] irq_exit+0x65/0xd6 [ 999.900407] [] smp_apic_timer_interrupt+0x33/0x3e [ 999.928461] [] apic_timer_interrupt+0x82/0x90 [ 999.956514] [] ? io_serial_out+0x95/0xa8 [ 999.980200] [] ? arch_local_irq_restore+0x6/0xd [ 1000.011822] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1000.044342] [] serial8250_config_port+0x103f/0x1a53 [ 1000.075714] [] univ8250_config_port+0x256/0x2d1 [ 1000.107664] [] uart_add_one_port+0x75a/0x10fe [ 1000.137711] [] ? uart_register_driver+0x627/0x627 [ 1000.166354] [] ? kasan_slab_free+0x8a/0x96 [ 1000.195057] [] ? slab_free_freelist_hook+0x129/0x134 [ 1000.221599] [] ? mutex_set_owner+0x8e/0xc6 [ 1000.256232] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 1000.288780] [] serial8250_register_8250_port+0xe24/0x167a [ 1000.322499] [] serial_pnp_probe+0x372/0x6d5 [ 1000.344402] [] ? check_name+0x8e/0x8e [ 1000.362463] [] ? check_name+0x8e/0x8e [ 1000.387359] [] ? match_device+0xd7/0xd7 [ 1000.409121] [] pnp_device_probe+0x1c3/0x1ef [ 1000.431435] [] ? driver_probe_device+0x4c0/0xe96 [ 1000.594818] [] driver_probe_device+0x5b2/0xe96 [ 1000.626227] [] ? pnp_device_probe+0x1ef/0x1ef [ 1000.657658] [] ? driver_probe_device+0xe96/0xe96 [ 1000.688746] [] __driver_attach+0x1b0/0x262 [ 1000.722764] [] bus_for_each_dev+0x163/0x1b9 [ 1000.767370] [] ? next_device+0x65/0x65 [ 1000.876489] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1000.930664] [] driver_attach+0x49/0x4c [ 1000.960733] [] bus_add_driver+0x2be/0x62c [ 1000.989562] [] driver_register+0x2c2/0x353 [ 1001.030332] [] pnp_register_driver+0x95/0x9c [ 1001.062635] [] serial8250_pnp_init+0x1a/0x1c [ 1001.096251] [] serial8250_init+0x8c/0x2e4 [ 1001.126460] [] ? univ8250_console_init+0x3a/0x3a [ 1001.158644] [] do_one_initcall+0x16d/0x258 [ 1001.185280] [] ? initcall_blacklisted+0x198/0x198 [ 1001.210729] [] ? up_write+0x8c/0xd9 [ 1001.232026] [] ? down_write_trylock+0x100/0x100 [ 1001.258514] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1001.288913] [] kernel_init_freeable+0x457/0x518 [ 1001.315077] [] kernel_init+0x16/0x181 [ 1001.341222] [] ret_from_fork+0x1f/0x40 [ 1001.363973] [] ? rest_init+0x8f/0x8f [ 1001.393573] ================================================================================ [ 1001.434868] ================================================================================ [ 1001.476333] UBSAN: Undefined behaviour in kernel/irq/chip.c:626:15 [ 1001.510695] member access within misaligned address ffff88005d0a7230 for type 'struct irq_desc' [ 1001.585068] which requires 64 byte alignment [ 1001.604820] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1001.635141] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1001.744501] 00000000ffffffff 00000000b1a89c60 ffff88005d407cc0 ffffffffb26ec5cc [ 1001.808393] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1002.075971] ffff880000000010 ffff88005d407ce8 ffff88005d407c98 ffffffffb363c3e0 [ 1002.849524] Call Trace: [ 1002.972965] [] dump_stack+0xd7/0x132 [ 1003.259734] [] ? arch_local_irq_restore+0x1b/0x1b [ 1003.368682] [] ubsan_epilogue+0x12/0x53 [ 1003.439173] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1003.660372] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1003.721135] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1003.779109] [] handle_edge_irq+0x4a/0x341 [ 1003.814777] [] handle_irq+0x3f/0x47 [ 1003.840882] [] do_IRQ+0x8a/0x110 [ 1003.865366] [] common_interrupt+0x82/0x82 [ 1003.898500] [] ? __do_softirq+0x8c/0x59e [ 1003.923450] [] ? arch_local_irq_enable+0xb/0xd [ 1003.953653] [] __do_softirq+0x103/0x59e [ 1003.974443] [] ? hrtimer_interrupt+0x40f/0x41c [ 1003.996405] [] irq_exit+0x65/0xd6 [ 1004.015407] [] smp_apic_timer_interrupt+0x33/0x3e [ 1004.043439] [] apic_timer_interrupt+0x82/0x90 [ 1004.068463] [] ? io_serial_out+0x95/0xa8 [ 1004.102715] [] ? arch_local_irq_restore+0x6/0xd [ 1004.132770] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1004.162674] [] serial8250_config_port+0x103f/0x1a53 [ 1004.195448] [] univ8250_config_port+0x256/0x2d1 [ 1004.220622] [] uart_add_one_port+0x75a/0x10fe [ 1004.261014] [] ? uart_register_driver+0x627/0x627 [ 1004.689677] [] ? kasan_slab_free+0x8a/0x96 [ 1005.136520] [] ? slab_free_freelist_hook+0x129/0x134 [ 1005.313723] [] ? mutex_set_owner+0x8e/0xc6 [ 1005.469453] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 1005.625554] [] serial8250_register_8250_port+0xe24/0x167a [ 1005.695983] [] serial_pnp_probe+0x372/0x6d5 [ 1005.756771] [] ? check_name+0x8e/0x8e [ 1005.813120] [] ? check_name+0x8e/0x8e [ 1005.847095] [] ? match_device+0xd7/0xd7 [ 1005.879422] [] pnp_device_probe+0x1c3/0x1ef [ 1005.911376] [] ? driver_probe_device+0x4c0/0xe96 [ 1005.948051] [] driver_probe_device+0x5b2/0xe96 [ 1006.011346] [] ? pnp_device_probe+0x1ef/0x1ef [ 1006.053422] [] ? driver_probe_device+0xe96/0xe96 [ 1006.084658] [] __driver_attach+0x1b0/0x262 [ 1006.108702] [] bus_for_each_dev+0x163/0x1b9 [ 1006.133061] [] ? next_device+0x65/0x65 [ 1006.147775] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1006.175325] [] driver_attach+0x49/0x4c [ 1006.196727] [] bus_add_driver+0x2be/0x62c [ 1006.219590] [] driver_register+0x2c2/0x353 [ 1006.248185] [] pnp_register_driver+0x95/0x9c [ 1006.274704] [] serial8250_pnp_init+0x1a/0x1c [ 1006.299059] [] serial8250_init+0x8c/0x2e4 [ 1006.322916] [] ? univ8250_console_init+0x3a/0x3a [ 1006.347958] [] do_one_initcall+0x16d/0x258 [ 1006.381277] [] ? initcall_blacklisted+0x198/0x198 [ 1006.424220] [] ? up_write+0x8c/0xd9 [ 1006.458775] [] ? down_write_trylock+0x100/0x100 [ 1006.528426] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1006.580048] [] kernel_init_freeable+0x457/0x518 [ 1006.611330] [] kernel_init+0x16/0x181 [ 1006.636754] [] ret_from_fork+0x1f/0x40 [ 1006.674379] [] ? rest_init+0x8f/0x8f [ 1006.715105] ================================================================================ [ 1006.774788] ================================================================================ [ 1006.854815] UBSAN: Undefined behaviour in kernel/irq/chip.c:626:15 [ 1006.898695] member access within misaligned address ffff88005d0a7230 for type 'struct irq_desc' [ 1006.996455] which requires 64 byte alignment [ 1007.020647] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1007.062157] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1007.126660] 00000000ffffffff 00000000b1a89c60 ffff88005d407cc0 ffffffffb26ec5cc [ 1007.181057] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1007.233020] ffff880000000010 ffff88005d407ce8 ffff88005d407c98 ffffffffb363c3e0 [ 1007.293275] Call Trace: [ 1007.313273] [] dump_stack+0xd7/0x132 [ 1007.346774] [] ? arch_local_irq_restore+0x1b/0x1b [ 1007.394994] [] ubsan_epilogue+0x12/0x53 [ 1007.422287] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1007.457115] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1007.495410] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1007.527449] [] handle_edge_irq+0x7d/0x341 [ 1007.553447] [] handle_irq+0x3f/0x47 [ 1007.591984] [] do_IRQ+0x8a/0x110 [ 1007.613145] [] common_interrupt+0x82/0x82 [ 1007.640127] [] ? __do_softirq+0x8c/0x59e [ 1007.663538] [] ? arch_local_irq_enable+0xb/0xd [ 1007.703971] [] __do_softirq+0x103/0x59e [ 1007.731370] [] ? hrtimer_interrupt+0x40f/0x41c [ 1007.760963] [] irq_exit+0x65/0xd6 [ 1007.783131] [] smp_apic_timer_interrupt+0x33/0x3e [ 1007.821650] [] apic_timer_interrupt+0x82/0x90 [ 1007.844228] [] ? io_serial_out+0x95/0xa8 [ 1007.912421] [] ? arch_local_irq_restore+0x6/0xd [ 1007.955680] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1008.007707] [] serial8250_config_port+0x103f/0x1a53 [ 1008.032257] [] univ8250_config_port+0x256/0x2d1 [ 1008.062832] [] uart_add_one_port+0x75a/0x10fe [ 1008.088764] [] ? uart_register_driver+0x627/0x627 [ 1008.115358] [] ? kasan_slab_free+0x8a/0x96 [ 1008.153381] [] ? slab_free_freelist_hook+0x129/0x134 [ 1008.181204] [] ? mutex_set_owner+0x8e/0xc6 [ 1008.209013] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 1008.240088] [] serial8250_register_8250_port+0xe24/0x167a [ 1008.274831] [] serial_pnp_probe+0x372/0x6d5 [ 1008.295185] [] ? check_name+0x8e/0x8e [ 1008.316217] [] ? check_name+0x8e/0x8e [ 1008.340411] [] ? match_device+0xd7/0xd7 [ 1008.365462] [] pnp_device_probe+0x1c3/0x1ef [ 1008.394968] [] ? driver_probe_device+0x4c0/0xe96 [ 1008.429232] [] driver_probe_device+0x5b2/0xe96 [ 1008.460714] [] ? pnp_device_probe+0x1ef/0x1ef [ 1008.493508] [] ? driver_probe_device+0xe96/0xe96 [ 1008.519507] [] __driver_attach+0x1b0/0x262 [ 1008.546656] [] bus_for_each_dev+0x163/0x1b9 [ 1008.579261] [] ? next_device+0x65/0x65 [ 1008.607792] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1008.632110] [] driver_attach+0x49/0x4c [ 1008.655783] [] bus_add_driver+0x2be/0x62c [ 1008.676658] [] driver_register+0x2c2/0x353 [ 1008.697110] [] pnp_register_driver+0x95/0x9c [ 1008.723969] [] serial8250_pnp_init+0x1a/0x1c [ 1008.748045] [] serial8250_init+0x8c/0x2e4 [ 1008.767674] [] ? univ8250_console_init+0x3a/0x3a [ 1008.799098] [] do_one_initcall+0x16d/0x258 [ 1008.853370] [] ? initcall_blacklisted+0x198/0x198 [ 1008.913137] [] ? up_write+0x8c/0xd9 [ 1008.947571] [] ? down_write_trylock+0x100/0x100 [ 1009.009165] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1009.038506] [] kernel_init_freeable+0x457/0x518 [ 1009.071593] [] kernel_init+0x16/0x181 [ 1009.105486] [] ret_from_fork+0x1f/0x40 [ 1009.130580] [] ? rest_init+0x8f/0x8f [ 1009.159098] ================================================================================ [ 1009.199135] ================================================================================ [ 1009.245130] UBSAN: Undefined behaviour in kernel/irq/chip.c:639:16 [ 1009.276666] member access within misaligned address ffff88005d0a7230 for type 'struct irq_desc' [ 1009.315583] which requires 64 byte alignment [ 1009.333737] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1009.363509] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1009.409295] 00000000ffffffff 00000000b1a89c60 ffff88005d407cc0 ffffffffb26ec5cc [ 1009.444817] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1009.480198] ffff880000000010 ffff88005d407ce8 ffff88005d407c98 ffffffffb363c3e0 [ 1009.513671] Call Trace: [ 1009.527280] [] dump_stack+0xd7/0x132 [ 1009.553756] [] ? arch_local_irq_restore+0x1b/0x1b [ 1009.578490] [] ubsan_epilogue+0x12/0x53 [ 1009.600416] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1009.627318] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1009.655798] [] handle_edge_irq+0x10d/0x341 [ 1009.677581] [] handle_irq+0x3f/0x47 [ 1009.699116] [] do_IRQ+0x8a/0x110 [ 1009.716106] [] common_interrupt+0x82/0x82 [ 1009.738519] [] ? __do_softirq+0x8c/0x59e [ 1009.761304] [] ? arch_local_irq_enable+0xb/0xd [ 1009.784172] [] __do_softirq+0x103/0x59e [ 1009.807513] [] ? hrtimer_interrupt+0x40f/0x41c [ 1009.830782] [] irq_exit+0x65/0xd6 [ 1009.850872] [] smp_apic_timer_interrupt+0x33/0x3e [ 1009.875817] [] apic_timer_interrupt+0x82/0x90 [ 1009.900359] [] ? io_serial_out+0x95/0xa8 [ 1009.924768] [] ? arch_local_irq_restore+0x6/0xd [ 1009.945737] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1009.972348] [] serial8250_config_port+0x103f/0x1a53 [ 1010.001529] [] univ8250_config_port+0x256/0x2d1 [ 1010.028938] [] uart_add_one_port+0x75a/0x10fe [ 1010.055519] [] ? uart_register_driver+0x627/0x627 [ 1010.080682] [] ? kasan_slab_free+0x8a/0x96 [ 1010.103236] [] ? slab_free_freelist_hook+0x129/0x134 [ 1010.129644] [] ? mutex_set_owner+0x8e/0xc6 [ 1010.151052] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 1010.184885] [] serial8250_register_8250_port+0xe24/0x167a [ 1010.212994] [] serial_pnp_probe+0x372/0x6d5 [ 1010.234850] [] ? check_name+0x8e/0x8e [ 1010.258399] [] ? check_name+0x8e/0x8e [ 1010.279541] [] ? match_device+0xd7/0xd7 [ 1010.300012] [] pnp_device_probe+0x1c3/0x1ef [ 1010.325264] [] ? driver_probe_device+0x4c0/0xe96 [ 1010.348406] [] driver_probe_device+0x5b2/0xe96 [ 1010.371151] [] ? pnp_device_probe+0x1ef/0x1ef [ 1010.396798] [] ? driver_probe_device+0xe96/0xe96 [ 1010.422561] [] __driver_attach+0x1b0/0x262 [ 1010.445250] [] bus_for_each_dev+0x163/0x1b9 [ 1010.469303] [] ? next_device+0x65/0x65 [ 1010.499603] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1010.528479] [] driver_attach+0x49/0x4c [ 1010.550946] [] bus_add_driver+0x2be/0x62c [ 1010.573722] [] driver_register+0x2c2/0x353 [ 1010.605677] [] pnp_register_driver+0x95/0x9c [ 1010.628410] [] serial8250_pnp_init+0x1a/0x1c [ 1010.655042] [] serial8250_init+0x8c/0x2e4 [ 1010.679205] [] ? univ8250_console_init+0x3a/0x3a [ 1010.704314] [] do_one_initcall+0x16d/0x258 [ 1010.726516] [] ? initcall_blacklisted+0x198/0x198 [ 1010.757049] [] ? up_write+0x8c/0xd9 [ 1010.778745] [] ? down_write_trylock+0x100/0x100 [ 1010.803106] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1010.832926] [] kernel_init_freeable+0x457/0x518 [ 1010.860722] [] kernel_init+0x16/0x181 [ 1010.882413] [] ret_from_fork+0x1f/0x40 [ 1010.907011] [] ? rest_init+0x8f/0x8f [ 1010.928659] ================================================================================ [ 1010.960721] ================================================================================ [ 1010.995855] UBSAN: Undefined behaviour in kernel/irq/chip.c:639:16 [ 1011.019910] member access within misaligned address ffff88005d0a7230 for type 'struct irq_desc' [ 1011.048078] which requires 64 byte alignment [ 1011.065524] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1011.084971] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1011.125098] 00000000ffffffff 00000000b1a89c60 ffff88005d407cc0 ffffffffb26ec5cc [ 1011.154962] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1011.187323] ffff880000000010 ffff88005d407ce8 ffff88005d407c98 ffffffffb363c3e0 [ 1011.227741] Call Trace: [ 1011.239128] [] dump_stack+0xd7/0x132 [ 1011.274425] [] ? arch_local_irq_restore+0x1b/0x1b [ 1011.316454] [] ubsan_epilogue+0x12/0x53 [ 1011.395575] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1011.476236] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1011.556620] [] handle_edge_irq+0x13c/0x341 [ 1011.582335] [] handle_irq+0x3f/0x47 [ 1011.612164] [] do_IRQ+0x8a/0x110 [ 1011.635197] [] common_interrupt+0x82/0x82 [ 1011.664894] [] ? __do_softirq+0x8c/0x59e [ 1011.691335] [] ? arch_local_irq_enable+0xb/0xd [ 1011.732363] [] __do_softirq+0x103/0x59e [ 1011.768346] [] ? hrtimer_interrupt+0x40f/0x41c [ 1012.096137] [] irq_exit+0x65/0xd6 [ 1012.176051] [] smp_apic_timer_interrupt+0x33/0x3e [ 1012.329080] [] apic_timer_interrupt+0x82/0x90 [ 1012.380232] [] ? io_serial_out+0x95/0xa8 [ 1012.403976] [] ? arch_local_irq_restore+0x6/0xd [ 1012.426354] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1012.451498] [] serial8250_config_port+0x103f/0x1a53 [ 1012.477619] [] univ8250_config_port+0x256/0x2d1 [ 1012.500350] [] uart_add_one_port+0x75a/0x10fe [ 1012.532007] [] ? uart_register_driver+0x627/0x627 [ 1012.567132] [] ? kasan_slab_free+0x8a/0x96 [ 1012.585656] [] ? slab_free_freelist_hook+0x129/0x134 [ 1012.611871] [] ? mutex_set_owner+0x8e/0xc6 [ 1012.635504] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 1012.666513] [] serial8250_register_8250_port+0xe24/0x167a [ 1012.708264] [] serial_pnp_probe+0x372/0x6d5 [ 1012.727713] [] ? check_name+0x8e/0x8e [ 1012.747431] [] ? check_name+0x8e/0x8e [ 1012.767947] [] ? match_device+0xd7/0xd7 [ 1012.787440] [] pnp_device_probe+0x1c3/0x1ef [ 1012.806358] [] ? driver_probe_device+0x4c0/0xe96 [ 1012.830991] [] driver_probe_device+0x5b2/0xe96 [ 1012.852810] [] ? pnp_device_probe+0x1ef/0x1ef [ 1012.880236] [] ? driver_probe_device+0xe96/0xe96 [ 1012.904613] [] __driver_attach+0x1b0/0x262 [ 1012.925268] [] bus_for_each_dev+0x163/0x1b9 [ 1012.947630] [] ? next_device+0x65/0x65 [ 1012.968691] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1012.988992] [] driver_attach+0x49/0x4c [ 1013.012900] [] bus_add_driver+0x2be/0x62c [ 1013.036769] [] driver_register+0x2c2/0x353 [ 1013.059296] [] pnp_register_driver+0x95/0x9c [ 1013.080700] [] serial8250_pnp_init+0x1a/0x1c [ 1013.104026] [] serial8250_init+0x8c/0x2e4 [ 1013.127435] [] ? univ8250_console_init+0x3a/0x3a [ 1013.151626] [] do_one_initcall+0x16d/0x258 [ 1013.172906] [] ? initcall_blacklisted+0x198/0x198 [ 1013.200523] [] ? up_write+0x8c/0xd9 [ 1013.221370] [] ? down_write_trylock+0x100/0x100 [ 1013.250987] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1013.282177] [] kernel_init_freeable+0x457/0x518 [ 1013.318626] [] kernel_init+0x16/0x181 [ 1013.385001] [] ret_from_fork+0x1f/0x40 [ 1013.424435] [] ? rest_init+0x8f/0x8f [ 1013.463166] ================================================================================ [ 1013.519090] ================================================================================ [ 1013.555072] UBSAN: Undefined behaviour in kernel/irq/chip.c:283:20 [ 1013.584036] member access within misaligned address ffff88005d0a7230 for type 'struct irq_desc' [ 1013.616258] which requires 64 byte alignment [ 1013.637776] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1013.665605] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1013.702652] 00000000ffffffff 00000000b1a89c60 ffff88005d407c88 ffffffffb26ec5cc [ 1013.735984] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1013.769721] 0000000000000010 ffff88005d407cb0 ffff88005d407c60 ffffffffb363c3e0 [ 1013.802409] Call Trace: [ 1013.816487] [] dump_stack+0xd7/0x132 [ 1013.843148] [] ? arch_local_irq_restore+0x1b/0x1b [ 1013.879372] [] ubsan_epilogue+0x12/0x53 [ 1013.904257] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1013.938983] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1013.976598] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1014.011085] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1014.046548] [] mask_ack_irq+0x2e/0x1ab [ 1014.070988] [] handle_edge_irq+0x14b/0x341 [ 1014.097540] [] handle_irq+0x3f/0x47 [ 1014.119917] [] do_IRQ+0x8a/0x110 [ 1014.137659] [] common_interrupt+0x82/0x82 [ 1014.163773] [] ? __do_softirq+0x8c/0x59e [ 1014.188356] [] ? arch_local_irq_enable+0xb/0xd [ 1014.212713] [] __do_softirq+0x103/0x59e [ 1014.235010] [] ? hrtimer_interrupt+0x40f/0x41c [ 1014.264923] [] irq_exit+0x65/0xd6 [ 1014.284129] [] smp_apic_timer_interrupt+0x33/0x3e [ 1014.311934] [] apic_timer_interrupt+0x82/0x90 [ 1014.335642] [] ? io_serial_out+0x95/0xa8 [ 1014.360960] [] ? arch_local_irq_restore+0x6/0xd [ 1014.388776] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1014.453116] [] serial8250_config_port+0x103f/0x1a53 [ 1014.498853] [] univ8250_config_port+0x256/0x2d1 [ 1014.576907] [] uart_add_one_port+0x75a/0x10fe [ 1014.611016] [] ? uart_register_driver+0x627/0x627 [ 1014.646745] [] ? kasan_slab_free+0x8a/0x96 [ 1014.684945] [] ? slab_free_freelist_hook+0x129/0x134 [ 1014.718488] [] ? mutex_set_owner+0x8e/0xc6 [ 1014.749563] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 1014.798547] [] serial8250_register_8250_port+0xe24/0x167a [ 1014.860887] [] serial_pnp_probe+0x372/0x6d5 [ 1014.917235] [] ? check_name+0x8e/0x8e [ 1014.950573] [] ? check_name+0x8e/0x8e [ 1014.986561] [] ? match_device+0xd7/0xd7 [ 1015.020962] [] pnp_device_probe+0x1c3/0x1ef [ 1015.054373] [] ? driver_probe_device+0x4c0/0xe96 [ 1015.164626] [] driver_probe_device+0x5b2/0xe96 [ 1015.194749] [] ? pnp_device_probe+0x1ef/0x1ef [ 1015.220127] [] ? driver_probe_device+0xe96/0xe96 [ 1015.247339] [] __driver_attach+0x1b0/0x262 [ 1015.273384] [] bus_for_each_dev+0x163/0x1b9 [ 1015.297412] [] ? next_device+0x65/0x65 [ 1015.320211] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1015.346952] [] driver_attach+0x49/0x4c [ 1015.368063] [] bus_add_driver+0x2be/0x62c [ 1015.398534] [] driver_register+0x2c2/0x353 [ 1015.422820] [] pnp_register_driver+0x95/0x9c [ 1015.446935] [] serial8250_pnp_init+0x1a/0x1c [ 1015.469773] [] serial8250_init+0x8c/0x2e4 [ 1015.495994] [] ? univ8250_console_init+0x3a/0x3a [ 1015.520954] [] do_one_initcall+0x16d/0x258 [ 1015.548284] [] ? initcall_blacklisted+0x198/0x198 [ 1015.571241] [] ? up_write+0x8c/0xd9 [ 1015.591417] [] ? down_write_trylock+0x100/0x100 [ 1015.614615] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1015.637567] [] kernel_init_freeable+0x457/0x518 [ 1015.664783] [] kernel_init+0x16/0x181 [ 1015.680641] [] ret_from_fork+0x1f/0x40 [ 1015.700607] [] ? rest_init+0x8f/0x8f [ 1015.725068] ================================================================================ [ 1015.755301] ================================================================================ [ 1015.795435] UBSAN: Undefined behaviour in kernel/irq/chip.c:286:17 [ 1015.823892] member access within misaligned address ffff88005d0a7230 for type 'struct irq_desc' [ 1015.854583] which requires 64 byte alignment [ 1015.870380] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1015.893490] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1015.931411] 00000000ffffffff 00000000b1a89c60 ffff88005d407c88 ffffffffb26ec5cc [ 1015.957762] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1015.987680] 0000000000000010 ffff88005d407cb0 ffff88005d407c60 ffffffffb363c3e0 [ 1016.016815] Call Trace: [ 1016.029009] [] dump_stack+0xd7/0x132 [ 1016.053768] [] ? arch_local_irq_restore+0x1b/0x1b [ 1016.080472] [] ubsan_epilogue+0x12/0x53 [ 1016.102910] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1016.131045] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1016.163345] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1016.193212] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1016.220158] [] mask_ack_irq+0xd1/0x1ab [ 1016.240485] [] handle_edge_irq+0x14b/0x341 [ 1016.260829] [] handle_irq+0x3f/0x47 [ 1016.281314] [] do_IRQ+0x8a/0x110 [ 1016.306245] [] common_interrupt+0x82/0x82 [ 1016.329122] [] ? __do_softirq+0x8c/0x59e [ 1016.352231] [] ? arch_local_irq_enable+0xb/0xd [ 1016.380891] [] __do_softirq+0x103/0x59e [ 1016.403896] [] ? hrtimer_interrupt+0x40f/0x41c [ 1016.428521] [] irq_exit+0x65/0xd6 [ 1016.451484] [] smp_apic_timer_interrupt+0x33/0x3e [ 1016.476185] [] apic_timer_interrupt+0x82/0x90 [ 1016.499237] [] ? io_serial_out+0x95/0xa8 [ 1016.520289] [] ? arch_local_irq_restore+0x6/0xd [ 1016.544662] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1016.571765] [] serial8250_config_port+0x103f/0x1a53 [ 1016.598708] [] univ8250_config_port+0x256/0x2d1 [ 1016.621399] [] uart_add_one_port+0x75a/0x10fe [ 1016.644232] [] ? uart_register_driver+0x627/0x627 [ 1016.670500] [] ? kasan_slab_free+0x8a/0x96 [ 1016.692667] [] ? slab_free_freelist_hook+0x129/0x134 [ 1016.718541] [] ? mutex_set_owner+0x8e/0xc6 [ 1016.741369] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 1016.767917] [] serial8250_register_8250_port+0xe24/0x167a [ 1016.795991] [] serial_pnp_probe+0x372/0x6d5 [ 1016.817099] [] ? check_name+0x8e/0x8e [ 1016.838800] [] ? check_name+0x8e/0x8e [ 1016.855865] [] ? match_device+0xd7/0xd7 [ 1016.880736] [] pnp_device_probe+0x1c3/0x1ef [ 1016.901145] [] ? driver_probe_device+0x4c0/0xe96 [ 1016.927008] [] driver_probe_device+0x5b2/0xe96 [ 1016.953351] [] ? pnp_device_probe+0x1ef/0x1ef [ 1016.977603] [] ? driver_probe_device+0xe96/0xe96 [ 1017.002714] [] __driver_attach+0x1b0/0x262 [ 1017.025514] [] bus_for_each_dev+0x163/0x1b9 [ 1017.046955] [] ? next_device+0x65/0x65 [ 1017.063981] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1017.089178] [] driver_attach+0x49/0x4c [ 1017.112713] [] bus_add_driver+0x2be/0x62c [ 1017.141465] [] driver_register+0x2c2/0x353 [ 1017.166586] [] pnp_register_driver+0x95/0x9c [ 1017.194398] [] serial8250_pnp_init+0x1a/0x1c [ 1017.215132] [] serial8250_init+0x8c/0x2e4 [ 1017.235100] [] ? univ8250_console_init+0x3a/0x3a [ 1017.261156] [] do_one_initcall+0x16d/0x258 [ 1017.286694] [] ? initcall_blacklisted+0x198/0x198 [ 1017.310524] [] ? up_write+0x8c/0xd9 [ 1017.330287] [] ? down_write_trylock+0x100/0x100 [ 1017.353052] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1017.381148] [] kernel_init_freeable+0x457/0x518 [ 1017.406958] [] kernel_init+0x16/0x181 [ 1017.428500] [] ret_from_fork+0x1f/0x40 [ 1017.449084] [] ? rest_init+0x8f/0x8f [ 1017.472449] ================================================================================ [ 1017.511553] ================================================================================ [ 1017.545581] UBSAN: Undefined behaviour in kernel/irq/chip.c:287:21 [ 1017.568697] member access within misaligned address ffff88005d0a7230 for type 'struct irq_desc' [ 1017.599120] which requires 64 byte alignment [ 1017.613504] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1017.630128] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1017.663570] 00000000ffffffff 00000000b1a89c60 ffff88005d407c88 ffffffffb26ec5cc [ 1017.687426] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1017.711933] 0000000000000010 ffff88005d407cb0 ffff88005d407c60 ffffffffb363c3e0 [ 1017.737511] Call Trace: [ 1017.747090] [] dump_stack+0xd7/0x132 [ 1017.768397] [] ? arch_local_irq_restore+0x1b/0x1b [ 1017.789475] [] ubsan_epilogue+0x12/0x53 [ 1017.808368] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1017.829707] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1017.853190] [] ? io_apic_base+0x5f/0xa0 [ 1017.874261] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1017.901261] [] ? mask_ioapic_irq+0x1ba/0x1c6 [ 1017.925042] [] mask_ack_irq+0x116/0x1ab [ 1017.943016] [] handle_edge_irq+0x14b/0x341 [ 1017.960728] [] handle_irq+0x3f/0x47 [ 1017.976983] [] do_IRQ+0x8a/0x110 [ 1017.994795] [] common_interrupt+0x82/0x82 [ 1018.013633] [] ? __do_softirq+0x8c/0x59e [ 1018.032266] [] ? arch_local_irq_enable+0xb/0xd [ 1018.052263] [] __do_softirq+0x103/0x59e [ 1018.070471] [] ? hrtimer_interrupt+0x40f/0x41c [ 1018.094761] [] irq_exit+0x65/0xd6 [ 1018.111531] [] smp_apic_timer_interrupt+0x33/0x3e [ 1018.134223] [] apic_timer_interrupt+0x82/0x90 [ 1018.155471] [] ? io_serial_out+0x95/0xa8 [ 1018.177631] [] ? arch_local_irq_restore+0x6/0xd [ 1018.199304] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1018.222360] [] serial8250_config_port+0x103f/0x1a53 [ 1018.245718] [] univ8250_config_port+0x256/0x2d1 [ 1018.265149] [] uart_add_one_port+0x75a/0x10fe [ 1018.285752] [] ? uart_register_driver+0x627/0x627 [ 1018.304728] [] ? kasan_slab_free+0x8a/0x96 [ 1018.327007] [] ? slab_free_freelist_hook+0x129/0x134 [ 1018.347968] [] ? mutex_set_owner+0x8e/0xc6 [ 1018.366792] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 1018.389103] [] serial8250_register_8250_port+0xe24/0x167a [ 1018.412447] [] serial_pnp_probe+0x372/0x6d5 [ 1018.432010] [] ? check_name+0x8e/0x8e [ 1018.451588] [] ? check_name+0x8e/0x8e [ 1018.471731] [] ? match_device+0xd7/0xd7 [ 1018.492456] [] pnp_device_probe+0x1c3/0x1ef [ 1018.513133] [] ? driver_probe_device+0x4c0/0xe96 [ 1018.533198] [] driver_probe_device+0x5b2/0xe96 [ 1018.552640] [] ? pnp_device_probe+0x1ef/0x1ef [ 1018.572154] [] ? driver_probe_device+0xe96/0xe96 [ 1018.597004] [] __driver_attach+0x1b0/0x262 [ 1018.624388] [] bus_for_each_dev+0x163/0x1b9 [ 1018.643985] [] ? next_device+0x65/0x65 [ 1018.662423] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1018.683432] [] driver_attach+0x49/0x4c [ 1018.702342] [] bus_add_driver+0x2be/0x62c [ 1018.723271] [] driver_register+0x2c2/0x353 [ 1018.740886] [] pnp_register_driver+0x95/0x9c [ 1018.765177] [] serial8250_pnp_init+0x1a/0x1c [ 1018.788703] [] serial8250_init+0x8c/0x2e4 [ 1018.835024] [] ? univ8250_console_init+0x3a/0x3a [ 1018.868683] [] do_one_initcall+0x16d/0x258 [ 1018.894952] [] ? initcall_blacklisted+0x198/0x198 [ 1018.917047] [] ? up_write+0x8c/0xd9 [ 1018.936254] [] ? down_write_trylock+0x100/0x100 [ 1018.955019] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1018.982495] [] kernel_init_freeable+0x457/0x518 [ 1019.015103] [] kernel_init+0x16/0x181 [ 1019.038438] [] ret_from_fork+0x1f/0x40 [ 1019.063507] [] ? rest_init+0x8f/0x8f [ 1019.095753] ================================================================================ [ 1019.124797] ================================================================================ [ 1019.152184] UBSAN: Undefined behaviour in kernel/irq/chip.c:288:18 [ 1019.172832] member access within misaligned address ffff88005d0a7230 for type 'struct irq_desc' [ 1019.213118] which requires 64 byte alignment [ 1019.227509] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1019.246525] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1019.279427] 00000000ffffffff 00000000b1a89c60 ffff88005d407c88 ffffffffb26ec5cc [ 1019.305754] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1019.332969] 0000000000000010 ffff88005d407cb0 ffff88005d407c60 ffffffffb363c3e0 [ 1019.358441] Call Trace: [ 1019.368185] [] dump_stack+0xd7/0x132 [ 1019.387713] [] ? arch_local_irq_restore+0x1b/0x1b [ 1019.409614] [] ubsan_epilogue+0x12/0x53 [ 1019.430586] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1019.453447] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1019.480853] [] ? io_apic_base+0x5f/0xa0 [ 1019.499300] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1019.524473] [] ? mask_ioapic_irq+0x1ba/0x1c6 [ 1019.546917] [] ? kstat_incr_irqs_this_cpu+0x41/0x41 [ 1019.620969] [] mask_ack_irq+0x16e/0x1ab [ 1019.712482] [] handle_edge_irq+0x14b/0x341 [ 1019.737012] [] handle_irq+0x3f/0x47 [ 1019.771981] [] do_IRQ+0x8a/0x110 [ 1019.789353] [] common_interrupt+0x82/0x82 [ 1019.808520] [] ? __do_softirq+0x8c/0x59e [ 1019.828773] [] ? arch_local_irq_enable+0xb/0xd [ 1019.849265] [] __do_softirq+0x103/0x59e [ 1019.869054] [] ? hrtimer_interrupt+0x40f/0x41c [ 1019.891659] [] irq_exit+0x65/0xd6 [ 1019.907522] [] smp_apic_timer_interrupt+0x33/0x3e [ 1019.925274] [] apic_timer_interrupt+0x82/0x90 [ 1019.946241] [] ? io_serial_out+0x95/0xa8 [ 1019.965248] [] ? arch_local_irq_restore+0x6/0xd [ 1019.985371] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1020.008819] [] serial8250_config_port+0x103f/0x1a53 [ 1020.029758] [] univ8250_config_port+0x256/0x2d1 [ 1020.049685] [] uart_add_one_port+0x75a/0x10fe [ 1020.071404] [] ? uart_register_driver+0x627/0x627 [ 1020.093278] [] ? kasan_slab_free+0x8a/0x96 [ 1020.112777] [] ? slab_free_freelist_hook+0x129/0x134 [ 1020.132535] [] ? mutex_set_owner+0x8e/0xc6 [ 1020.150331] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 1020.174838] [] serial8250_register_8250_port+0xe24/0x167a [ 1020.203850] [] serial_pnp_probe+0x372/0x6d5 [ 1020.227055] [] ? check_name+0x8e/0x8e [ 1020.244705] [] ? check_name+0x8e/0x8e [ 1020.264074] [] ? match_device+0xd7/0xd7 [ 1020.283491] [] pnp_device_probe+0x1c3/0x1ef [ 1020.303808] [] ? driver_probe_device+0x4c0/0xe96 [ 1020.327739] [] driver_probe_device+0x5b2/0xe96 [ 1020.348094] [] ? pnp_device_probe+0x1ef/0x1ef [ 1020.370454] [] ? driver_probe_device+0xe96/0xe96 [ 1020.390998] [] __driver_attach+0x1b0/0x262 [ 1020.408562] [] bus_for_each_dev+0x163/0x1b9 [ 1020.429458] [] ? next_device+0x65/0x65 [ 1020.447848] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1020.468128] [] driver_attach+0x49/0x4c [ 1020.488559] [] bus_add_driver+0x2be/0x62c [ 1020.511587] [] driver_register+0x2c2/0x353 [ 1020.531727] [] pnp_register_driver+0x95/0x9c [ 1020.558750] [] serial8250_pnp_init+0x1a/0x1c [ 1020.576731] [] serial8250_init+0x8c/0x2e4 [ 1020.594829] [] ? univ8250_console_init+0x3a/0x3a [ 1020.616174] [] do_one_initcall+0x16d/0x258 [ 1020.634579] [] ? initcall_blacklisted+0x198/0x198 [ 1020.655994] [] ? up_write+0x8c/0xd9 [ 1020.673207] [] ? down_write_trylock+0x100/0x100 [ 1020.699366] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1020.722753] [] kernel_init_freeable+0x457/0x518 [ 1020.744692] [] kernel_init+0x16/0x181 [ 1020.763240] [] ret_from_fork+0x1f/0x40 [ 1020.779756] [] ? rest_init+0x8f/0x8f [ 1020.798447] ================================================================================ [ 1020.831546] 00:05: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 1021.047977] Linux agpgart interface v0.103 [ 1021.339269] ================================================================================ [ 1021.367636] UBSAN: Undefined behaviour in fs/super.c:651:9 [ 1021.383427] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 1021.411957] which requires 64 byte alignment [ 1021.424565] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1021.446072] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1021.476474] 00000000ffffffff 00000000b1a89c60 ffff88005c9df840 ffffffffb26ec5cc [ 1021.504469] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1021.529760] ffff880000000010 ffff88005c9df868 ffff88005c9df818 ffffffffb363c3e0 [ 1021.555324] Call Trace: [ 1021.563941] [] dump_stack+0xd7/0x132 [ 1021.580958] [] ? arch_local_irq_restore+0x1b/0x1b [ 1021.602335] [] ubsan_epilogue+0x12/0x53 [ 1021.621984] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1021.647704] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1021.672851] [] get_super+0xb0/0x21c [ 1021.694898] [] fsync_bdev+0x1d/0x60 [ 1021.728478] [] invalidate_partition+0x40/0x67 [ 1021.750511] [] drop_partitions+0xe5/0x199 [ 1021.768213] [] ? delete_partition+0x1f5/0x1f5 [ 1021.787022] [] ? bdev_direct_access+0x315/0x327 [ 1021.819286] [] ? brd_make_request+0x75c/0x75c [ 1021.852120] [] rescan_partitions+0x38/0x706 [ 1021.917589] [] ? bd_set_size+0x23f/0x251 [ 1021.960840] [] __blkdev_get+0x7b8/0xf8a [ 1021.976028] [] ? bdev_dax_capable+0x154/0x154 [ 1022.000762] [] ? __list_add+0x211/0x249 [ 1022.018443] [] ? inode_init_always+0x91e/0x95d [ 1022.038280] [] blkdev_get+0x3b2/0x796 [ 1022.054736] [] ? __wake_up_sync+0x12/0x12 [ 1022.073034] [] ? __blkdev_get+0xf8a/0xf8a [ 1022.090366] [] ? disk_put_part+0x25/0x28 [ 1022.106468] [] device_add_disk+0x8a3/0xb6c [ 1022.125260] [] ? blk_alloc_devt+0x245/0x245 [ 1022.144889] [] ? vsprintf+0x31/0x31 [ 1022.157665] [] ? __list_add+0x211/0x249 [ 1022.174305] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1022.193288] [] brd_init+0x10e/0x239 [ 1022.207879] [] ? ramdisk_size+0x28/0x28 [ 1022.227865] [] do_one_initcall+0x16d/0x258 [ 1022.245161] [] ? initcall_blacklisted+0x198/0x198 [ 1022.264531] [] ? up_write+0x8c/0xd9 [ 1022.281156] [] ? down_write_trylock+0x100/0x100 [ 1022.302452] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1022.323549] [] kernel_init_freeable+0x457/0x518 [ 1022.342321] [] kernel_init+0x16/0x181 [ 1022.356906] [] ret_from_fork+0x1f/0x40 [ 1022.374240] [] ? rest_init+0x8f/0x8f [ 1022.392316] ================================================================================ [ 1022.417877] ================================================================================ [ 1022.456246] UBSAN: Undefined behaviour in fs/super.c:648:2 [ 1022.474383] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 1022.521871] which requires 64 byte alignment [ 1022.535976] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1022.555898] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1022.586791] 00000000ffffffff 00000000b1a89c60 ffff88005c9df840 ffffffffb26ec5cc [ 1022.615239] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1022.642653] ffff880000000010 ffff88005c9df868 ffff88005c9df818 ffffffffb363c3e0 [ 1022.670280] Call Trace: [ 1022.679897] [] dump_stack+0xd7/0x132 [ 1022.698674] [] ? arch_local_irq_restore+0x1b/0x1b [ 1022.720172] [] ubsan_epilogue+0x12/0x53 [ 1022.738110] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1022.759365] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1022.780570] [] get_super+0x1e8/0x21c [ 1022.796346] [] fsync_bdev+0x1d/0x60 [ 1022.810627] [] invalidate_partition+0x40/0x67 [ 1022.830442] [] drop_partitions+0xe5/0x199 [ 1022.848572] [] ? delete_partition+0x1f5/0x1f5 [ 1022.867322] [] ? bdev_direct_access+0x315/0x327 [ 1022.884307] [] ? brd_make_request+0x75c/0x75c [ 1022.902728] [] rescan_partitions+0x38/0x706 [ 1022.921492] [] ? bd_set_size+0x23f/0x251 [ 1022.937048] [] __blkdev_get+0x7b8/0xf8a [ 1022.953490] [] ? bdev_dax_capable+0x154/0x154 [ 1022.972678] [] ? __list_add+0x211/0x249 [ 1022.991508] [] ? inode_init_always+0x91e/0x95d [ 1023.009806] [] blkdev_get+0x3b2/0x796 [ 1023.026301] [] ? __wake_up_sync+0x12/0x12 [ 1023.045611] [] ? __blkdev_get+0xf8a/0xf8a [ 1023.065421] [] ? disk_put_part+0x25/0x28 [ 1023.082405] [] device_add_disk+0x8a3/0xb6c [ 1023.099257] [] ? blk_alloc_devt+0x245/0x245 [ 1023.118199] [] ? vsprintf+0x31/0x31 [ 1023.133198] [] ? __list_add+0x211/0x249 [ 1023.148094] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1023.168901] [] brd_init+0x10e/0x239 [ 1023.185570] [] ? ramdisk_size+0x28/0x28 [ 1023.202835] [] do_one_initcall+0x16d/0x258 [ 1023.221495] [] ? initcall_blacklisted+0x198/0x198 [ 1023.240367] [] ? up_write+0x8c/0xd9 [ 1023.253179] [] ? down_write_trylock+0x100/0x100 [ 1023.271872] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1023.292276] [] kernel_init_freeable+0x457/0x518 [ 1023.309797] [] kernel_init+0x16/0x181 [ 1023.323663] [] ret_from_fork+0x1f/0x40 [ 1023.338743] [] ? rest_init+0x8f/0x8f [ 1023.353372] ================================================================================ [ 1023.385715] ================================================================================ [ 1023.406980] UBSAN: Undefined behaviour in ./include/linux/backing-dev.h:274:15 [ 1023.430300] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 1023.454189] which requires 64 byte alignment [ 1023.469399] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1023.491485] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1023.521473] 00000000ffffffff 00000000b1a89c60 ffff88005c9df808 ffffffffb26ec5cc [ 1023.544249] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1023.567965] 0000000000000010 ffff88005c9df830 ffff88005c9df7e0 ffffffffb363c3e0 [ 1023.592153] Call Trace: [ 1023.601459] [] dump_stack+0xd7/0x132 [ 1023.619182] [] ? arch_local_irq_restore+0x1b/0x1b [ 1023.636883] [] ubsan_epilogue+0x12/0x53 [ 1023.653393] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1023.675152] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1023.700787] [] inode_cgwb_enabled+0xc7/0xec [ 1023.718473] [] __inode_attach_wb+0x95/0x3a1 [ 1023.737682] [] ? queue_io+0x3e9/0x3e9 [ 1023.753357] [] __filemap_fdatawrite_range+0x189/0x201 [ 1023.772805] [] ? replace_page_cache_page+0x235/0x235 [ 1023.792577] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1023.813139] [] filemap_fdatawrite+0x2d/0x2f [ 1023.832796] [] filemap_write_and_wait+0x71/0xda [ 1023.850289] [] __sync_blockdev+0xd3/0xe4 [ 1023.868903] [] ? __blkdev_put+0x1ef/0x81e [ 1023.886769] [] sync_blockdev+0x21/0x23 [ 1023.903018] [] __blkdev_put+0x251/0x81e [ 1023.921715] [] ? freeze_bdev+0x264/0x264 [ 1023.936373] [] ? __wake_up_sync+0x12/0x12 [ 1023.951966] [] ? mutex_set_owner+0x8e/0xc6 [ 1023.968090] [] ? mutex_unlock+0x9d/0xce [ 1023.985714] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1024.004975] [] blkdev_put+0x430/0x43d [ 1024.022134] [] device_add_disk+0x8b9/0xb6c [ 1024.041481] [] ? blk_alloc_devt+0x245/0x245 [ 1024.061119] [] ? vsprintf+0x31/0x31 [ 1024.075518] [] ? __list_add+0x211/0x249 [ 1024.094595] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1024.114016] [] brd_init+0x10e/0x239 [ 1024.128245] [] ? ramdisk_size+0x28/0x28 [ 1024.157675] [] do_one_initcall+0x16d/0x258 [ 1024.182030] [] ? initcall_blacklisted+0x198/0x198 [ 1024.200963] [] ? up_write+0x8c/0xd9 [ 1024.218675] [] ? down_write_trylock+0x100/0x100 [ 1024.239386] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1024.259640] [] kernel_init_freeable+0x457/0x518 [ 1024.278243] [] kernel_init+0x16/0x181 [ 1024.293020] [] ret_from_fork+0x1f/0x40 [ 1024.306642] [] ? rest_init+0x8f/0x8f [ 1024.322037] ================================================================================ [ 1024.345649] ================================================================================ [ 1024.371476] UBSAN: Undefined behaviour in ./include/linux/cleancache.h:53:28 [ 1024.391104] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 1024.417893] which requires 64 byte alignment [ 1024.428512] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1024.448857] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1024.479792] 00000000ffffffff 00000000b1a89c60 ffff88005c9df818 ffffffffb26ec5cc [ 1024.502947] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1024.524770] ffff880000000010 ffff88005c9df840 ffff88005c9df7f0 ffffffffb363c3e0 [ 1024.548439] Call Trace: [ 1024.554437] [] dump_stack+0xd7/0x132 [ 1024.570805] [] ? arch_local_irq_restore+0x1b/0x1b [ 1024.589313] [] ubsan_epilogue+0x12/0x53 [ 1024.604560] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1024.625236] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1024.647175] [] ? generic_writepages+0x113/0x159 [ 1024.665923] [] cleancache_invalidate_inode+0x76/0xa5 [ 1024.688677] [] truncate_inode_pages_range+0x9d/0x995 [ 1024.707822] [] ? cpumask_next_and+0x77/0x84 [ 1024.723758] [] ? generic_error_remove_page+0xa2/0xa2 [ 1024.743865] [] ? smp_call_function_many+0x5f8/0x607 [ 1024.761146] [] ? brelse+0x27/0x27 [ 1024.773087] [] ? brelse+0x27/0x27 [ 1024.790079] [] ? on_each_cpu_mask+0x69/0x74 [ 1024.806550] [] ? mark_buffer_async_write+0x25/0x25 [ 1024.826990] [] ? on_each_cpu_cond+0x15d/0x1a1 [ 1024.845051] [] ? brelse+0x27/0x27 [ 1024.863791] [] ? on_each_cpu_mask+0x74/0x74 [ 1024.877239] [] truncate_inode_pages+0x2b/0x2d [ 1024.896266] [] kill_bdev+0x9b/0xd3 [ 1024.913506] [] __blkdev_put+0x259/0x81e [ 1024.927856] [] ? freeze_bdev+0x264/0x264 [ 1024.945067] [] ? __wake_up_sync+0x12/0x12 [ 1024.959004] [] ? mutex_set_owner+0x8e/0xc6 [ 1024.974503] [] ? mutex_unlock+0x9d/0xce [ 1024.993033] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1025.011096] [] blkdev_put+0x430/0x43d [ 1025.025364] [] device_add_disk+0x8b9/0xb6c [ 1025.041031] [] ? blk_alloc_devt+0x245/0x245 [ 1025.055094] [] ? vsprintf+0x31/0x31 [ 1025.072716] [] ? __list_add+0x211/0x249 [ 1025.087362] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1025.107127] [] brd_init+0x10e/0x239 [ 1025.122719] [] ? ramdisk_size+0x28/0x28 [ 1025.137851] [] do_one_initcall+0x16d/0x258 [ 1025.160555] [] ? initcall_blacklisted+0x198/0x198 [ 1025.176629] [] ? up_write+0x8c/0xd9 [ 1025.191955] [] ? down_write_trylock+0x100/0x100 [ 1025.209625] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1025.232759] [] kernel_init_freeable+0x457/0x518 [ 1025.246444] [] kernel_init+0x16/0x181 [ 1025.261522] [] ret_from_fork+0x1f/0x40 [ 1025.276550] [] ? rest_init+0x8f/0x8f [ 1025.292222] ================================================================================ [ 1025.315777] ================================================================================ [ 1025.339642] UBSAN: Undefined behaviour in ./include/linux/cleancache.h:53:28 [ 1025.360863] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 1025.388205] which requires 64 byte alignment [ 1025.400747] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1025.418239] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1025.443308] 00000000ffffffff 00000000b1a89c60 ffff88005c9df638 ffffffffb26ec5cc [ 1025.465339] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1025.488408] 0000000000000010 ffff88005c9df660 ffff88005c9df610 ffffffffb363c3e0 [ 1025.510234] Call Trace: [ 1025.518394] [] dump_stack+0xd7/0x132 [ 1025.535029] [] ? arch_local_irq_restore+0x1b/0x1b [ 1025.550505] [] ubsan_epilogue+0x12/0x53 [ 1025.567454] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1025.588375] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1025.610301] [] __delete_from_page_cache+0x2f4/0xc83 [ 1025.629395] [] ? try_to_free_buffers+0x1d8/0x211 [ 1025.646787] [] ? read_cache_page_gfp+0x86/0x86 [ 1025.664621] [] ? __wake_up_bit+0x96/0xe7 [ 1025.681987] [] delete_from_page_cache+0xd7/0x15c [ 1025.700594] [] truncate_inode_page+0x141/0x150 [ 1025.716906] [] truncate_inode_pages_range+0x39b/0x995 [ 1025.735921] [] ? generic_error_remove_page+0xa2/0xa2 [ 1025.757408] [] ? brelse+0x27/0x27 [ 1025.769959] [] ? brelse+0x27/0x27 [ 1025.788160] [] ? on_each_cpu_mask+0x69/0x74 [ 1025.802519] [] ? on_each_cpu_cond+0x15d/0x1a1 [ 1025.820121] [] ? brelse+0x27/0x27 [ 1025.834774] [] ? on_each_cpu_mask+0x74/0x74 [ 1025.851499] [] truncate_inode_pages+0x2b/0x2d [ 1025.868932] [] kill_bdev+0x9b/0xd3 [ 1025.885728] [] __blkdev_put+0x259/0x81e [ 1025.899691] [] ? freeze_bdev+0x264/0x264 [ 1025.914551] [] ? __wake_up_sync+0x12/0x12 [ 1025.929955] [] ? mutex_set_owner+0x8e/0xc6 [ 1025.945803] [] ? mutex_unlock+0x9d/0xce [ 1025.959315] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1025.975633] [] blkdev_put+0x430/0x43d [ 1025.992056] [] device_add_disk+0x8b9/0xb6c [ 1026.006626] [] ? blk_alloc_devt+0x245/0x245 [ 1026.024209] [] ? vsprintf+0x31/0x31 [ 1026.038296] [] ? __list_add+0x211/0x249 [ 1026.052637] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1026.070009] [] brd_init+0x10e/0x239 [ 1026.084807] [] ? ramdisk_size+0x28/0x28 [ 1026.101769] [] do_one_initcall+0x16d/0x258 [ 1026.118445] [] ? initcall_blacklisted+0x198/0x198 [ 1026.133960] [] ? up_write+0x8c/0xd9 [ 1026.149445] [] ? down_write_trylock+0x100/0x100 [ 1026.167861] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1026.186689] [] kernel_init_freeable+0x457/0x518 [ 1026.204454] [] kernel_init+0x16/0x181 [ 1026.218517] [] ret_from_fork+0x1f/0x40 [ 1026.233482] [] ? rest_init+0x8f/0x8f [ 1026.249514] ================================================================================ [ 1026.273312] ================================================================================ [ 1026.297398] UBSAN: Undefined behaviour in mm/page_alloc.c:2444:2 [ 1026.314612] member access within misaligned address ffff88005c9df768 for type 'struct page' [ 1026.338432] which requires 16 byte alignment [ 1026.349837] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1026.368548] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1026.393980] 00000000ffffffff 00000000b1a89c60 ffff88005c9df610 ffffffffb26ec5cc [ 1026.416498] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1026.436544] ffffffff00000010 ffff88005c9df638 ffff88005c9df5e8 ffffffffb363c3e0 [ 1026.456190] Call Trace: [ 1026.464833] [] dump_stack+0xd7/0x132 [ 1026.478384] [] ? arch_local_irq_restore+0x1b/0x1b [ 1026.498560] [] ubsan_epilogue+0x12/0x53 [ 1026.514469] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1026.534584] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1026.553903] [] free_hot_cold_page_list+0x5e/0x198 [ 1026.579228] [] release_pages+0x297/0x595 [ 1026.594609] [] ? __put_compound_page+0x77/0x77 [ 1026.610458] [] ? __pagevec_lru_add_fn+0x21c/0x2af [ 1026.631089] [] pagevec_lru_move_fn+0x1df/0x216 [ 1026.648915] [] ? list_add+0x46/0x46 [ 1026.662188] [] __pagevec_lru_add+0x25/0x27 [ 1026.676261] [] lru_add_drain_cpu+0xbd/0x31c [ 1026.694585] [] lru_add_drain+0x1a/0x1c [ 1026.709266] [] __pagevec_release+0x19/0xa3 [ 1026.727781] [] pagevec_release+0x3a/0x42 [ 1026.746710] [] truncate_inode_pages_range+0x3eb/0x995 [ 1026.767306] [] ? generic_error_remove_page+0xa2/0xa2 [ 1026.788641] [] ? brelse+0x27/0x27 [ 1026.804043] [] ? brelse+0x27/0x27 [ 1026.817990] [] ? on_each_cpu_mask+0x69/0x74 [ 1026.835598] [] ? on_each_cpu_cond+0x15d/0x1a1 [ 1026.851971] [] ? brelse+0x27/0x27 [ 1026.865993] [] ? on_each_cpu_mask+0x74/0x74 [ 1026.883588] [] truncate_inode_pages+0x2b/0x2d [ 1026.900397] [] kill_bdev+0x9b/0xd3 [ 1026.915193] [] __blkdev_put+0x259/0x81e [ 1026.933649] [] ? freeze_bdev+0x264/0x264 [ 1026.948423] [] ? __wake_up_sync+0x12/0x12 [ 1026.964887] [] ? mutex_set_owner+0x8e/0xc6 [ 1026.979736] [] ? mutex_unlock+0x9d/0xce [ 1026.996833] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1027.016256] [] blkdev_put+0x430/0x43d [ 1027.029237] [] device_add_disk+0x8b9/0xb6c [ 1027.047154] [] ? blk_alloc_devt+0x245/0x245 [ 1027.066992] [] ? vsprintf+0x31/0x31 [ 1027.082306] [] ? __list_add+0x211/0x249 [ 1027.099456] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1027.116790] [] brd_init+0x10e/0x239 [ 1027.132634] [] ? ramdisk_size+0x28/0x28 [ 1027.149354] [] do_one_initcall+0x16d/0x258 [ 1027.167660] [] ? initcall_blacklisted+0x198/0x198 [ 1027.188150] [] ? up_write+0x8c/0xd9 [ 1027.205554] [] ? down_write_trylock+0x100/0x100 [ 1027.224126] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1027.246046] [] kernel_init_freeable+0x457/0x518 [ 1027.265255] [] kernel_init+0x16/0x181 [ 1027.282307] [] ret_from_fork+0x1f/0x40 [ 1027.302048] [] ? rest_init+0x8f/0x8f [ 1027.319439] ================================================================================ [ 1027.349649] ================================================================================ [ 1027.382835] UBSAN: Undefined behaviour in fs/inode.c:1455:33 [ 1027.399203] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 1027.435369] which requires 64 byte alignment [ 1027.449448] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1027.480396] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1027.516686] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa00 ffffffffb26ec5cc [ 1027.542762] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1027.566798] 0000000100000010 ffff88005c9dfa28 ffff88005c9df9d8 ffffffffb363c3e0 [ 1027.590899] Call Trace: [ 1027.602618] [] dump_stack+0xd7/0x132 [ 1027.620151] [] ? arch_local_irq_restore+0x1b/0x1b [ 1027.646229] [] ubsan_epilogue+0x12/0x53 [ 1027.672796] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1027.707935] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1027.741112] [] iput+0x219/0x6be [ 1027.767737] [] bdput+0x3d/0x40 [ 1027.790782] [] __blkdev_put+0x79e/0x81e [ 1027.811213] [] ? freeze_bdev+0x264/0x264 [ 1027.833670] [] ? __wake_up_sync+0x12/0x12 [ 1027.862653] [] ? mutex_set_owner+0x8e/0xc6 [ 1027.886691] [] ? mutex_unlock+0x9d/0xce [ 1027.909116] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1027.929307] [] blkdev_put+0x430/0x43d [ 1027.951113] [] device_add_disk+0x8b9/0xb6c [ 1027.978076] [] ? blk_alloc_devt+0x245/0x245 [ 1028.008224] [] ? vsprintf+0x31/0x31 [ 1028.027420] [] ? __list_add+0x211/0x249 [ 1028.052944] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1028.074677] [] brd_init+0x10e/0x239 [ 1028.092726] [] ? ramdisk_size+0x28/0x28 [ 1028.111282] [] do_one_initcall+0x16d/0x258 [ 1028.129740] [] ? initcall_blacklisted+0x198/0x198 [ 1028.152306] [] ? up_write+0x8c/0xd9 [ 1028.167810] [] ? down_write_trylock+0x100/0x100 [ 1028.188817] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1028.210905] [] kernel_init_freeable+0x457/0x518 [ 1028.234578] [] kernel_init+0x16/0x181 [ 1028.254437] [] ret_from_fork+0x1f/0x40 [ 1028.270417] [] ? rest_init+0x8f/0x8f [ 1028.286335] ================================================================================ [ 1028.312290] ================================================================================ [ 1028.339748] UBSAN: Undefined behaviour in fs/inode.c:532:33 [ 1028.357987] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 1028.387581] which requires 64 byte alignment [ 1028.400867] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1028.422509] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1028.456615] 00000000ffffffff 00000000b1a89c60 ffff88005c9df960 ffffffffb26ec5cc [ 1028.483391] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1028.508391] ffffffff00000010 ffff88005c9df988 ffff88005c9df938 ffffffffb363c3e0 [ 1028.534353] Call Trace: [ 1028.542651] [] dump_stack+0xd7/0x132 [ 1028.559727] [] ? arch_local_irq_restore+0x1b/0x1b [ 1028.583780] [] ubsan_epilogue+0x12/0x53 [ 1028.606238] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1028.643394] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1028.674089] [] ? arch_local_irq_restore+0x6/0xd [ 1028.698631] [] evict+0xbb/0x524 [ 1028.713715] [] ? destroy_inode+0x168/0x168 [ 1028.733496] [] ? no_open+0x15/0x15 [ 1028.748973] [] iput+0x561/0x6be [ 1028.765006] [] bdput+0x3d/0x40 [ 1028.779322] [] __blkdev_put+0x79e/0x81e [ 1028.797709] [] ? freeze_bdev+0x264/0x264 [ 1028.815203] [] ? __wake_up_sync+0x12/0x12 [ 1028.835117] [] ? mutex_set_owner+0x8e/0xc6 [ 1028.851754] [] ? mutex_unlock+0x9d/0xce [ 1028.866677] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1028.889254] [] blkdev_put+0x430/0x43d [ 1028.906108] [] device_add_disk+0x8b9/0xb6c [ 1028.921424] [] ? blk_alloc_devt+0x245/0x245 [ 1028.940503] [] ? vsprintf+0x31/0x31 [ 1028.956408] [] ? __list_add+0x211/0x249 [ 1028.972605] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1028.994482] [] brd_init+0x10e/0x239 [ 1029.012451] [] ? ramdisk_size+0x28/0x28 [ 1029.031741] [] do_one_initcall+0x16d/0x258 [ 1029.059250] [] ? initcall_blacklisted+0x198/0x198 [ 1029.087266] [] ? up_write+0x8c/0xd9 [ 1029.111654] [] ? down_write_trylock+0x100/0x100 [ 1029.139381] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1029.164016] [] kernel_init_freeable+0x457/0x518 [ 1029.187654] [] kernel_init+0x16/0x181 [ 1029.207292] [] ret_from_fork+0x1f/0x40 [ 1029.226626] [] ? rest_init+0x8f/0x8f [ 1029.249514] ================================================================================ [ 1029.278669] ================================================================================ [ 1029.306320] UBSAN: Undefined behaviour in fs/inode.c:261:17 [ 1029.325533] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 1029.354493] which requires 64 byte alignment [ 1029.368342] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1029.387032] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1029.415533] 00000000ffffffff 00000000b1a89c60 ffff88005c9df930 ffffffffb26ec5cc [ 1029.439969] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1029.466290] fffffbff00000010 ffff88005c9df958 ffff88005c9df908 ffffffffb363c3e0 [ 1029.489400] Call Trace: [ 1029.495896] [] dump_stack+0xd7/0x132 [ 1029.515638] [] ? arch_local_irq_restore+0x1b/0x1b [ 1029.542532] [] ubsan_epilogue+0x12/0x53 [ 1029.564877] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1029.589285] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1029.613389] [] ? __wake_up_bit+0x96/0xe7 [ 1029.635732] [] ? __wake_up_sync+0x12/0x12 [ 1029.655494] [] destroy_inode+0xad/0x168 [ 1029.671721] [] evict+0x4e8/0x524 [ 1029.689967] [] ? destroy_inode+0x168/0x168 [ 1029.709458] [] ? no_open+0x15/0x15 [ 1029.726333] [] iput+0x561/0x6be [ 1029.744694] [] bdput+0x3d/0x40 [ 1029.760541] [] __blkdev_put+0x79e/0x81e [ 1029.779671] [] ? freeze_bdev+0x264/0x264 [ 1029.801778] [] ? __wake_up_sync+0x12/0x12 [ 1029.820680] [] ? mutex_set_owner+0x8e/0xc6 [ 1029.841149] [] ? mutex_unlock+0x9d/0xce [ 1029.859100] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1029.880764] [] blkdev_put+0x430/0x43d [ 1029.901677] [] device_add_disk+0x8b9/0xb6c [ 1029.923417] [] ? blk_alloc_devt+0x245/0x245 [ 1029.943903] [] ? vsprintf+0x31/0x31 [ 1029.962366] [] ? __list_add+0x211/0x249 [ 1029.978142] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1029.999448] [] brd_init+0x10e/0x239 [ 1030.015811] [] ? ramdisk_size+0x28/0x28 [ 1030.033567] [] do_one_initcall+0x16d/0x258 [ 1030.055559] [] ? initcall_blacklisted+0x198/0x198 [ 1030.079147] [] ? up_write+0x8c/0xd9 [ 1030.096097] [] ? down_write_trylock+0x100/0x100 [ 1030.116548] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1030.139243] [] kernel_init_freeable+0x457/0x518 [ 1030.160359] [] kernel_init+0x16/0x181 [ 1030.189766] [] ret_from_fork+0x1f/0x40 [ 1030.208044] [] ? rest_init+0x8f/0x8f [ 1030.224912] ================================================================================ [ 1030.253306] ================================================================================ [ 1030.278658] UBSAN: Undefined behaviour in fs/inode.c:262:14 [ 1030.306388] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 1030.340082] which requires 64 byte alignment [ 1030.353571] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1030.375460] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1030.409351] 00000000ffffffff 00000000b1a89c60 ffff88005c9df930 ffffffffb26ec5cc [ 1030.431026] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1030.455761] ffff880000000010 ffff88005c9df958 ffff88005c9df908 ffffffffb363c3e0 [ 1030.481749] Call Trace: [ 1030.490456] [] dump_stack+0xd7/0x132 [ 1030.506227] [] ? arch_local_irq_restore+0x1b/0x1b [ 1030.529478] [] ubsan_epilogue+0x12/0x53 [ 1030.550592] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1030.572933] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1030.604368] [] ? __wake_up_bit+0x96/0xe7 [ 1030.623523] [] ? __wake_up_sync+0x12/0x12 [ 1030.643475] [] ? I_BDEV+0x1c/0x1c [ 1030.661406] [] destroy_inode+0x120/0x168 [ 1030.684772] [] evict+0x4e8/0x524 [ 1030.703801] [] ? destroy_inode+0x168/0x168 [ 1030.720955] [] ? no_open+0x15/0x15 [ 1030.738495] [] iput+0x561/0x6be [ 1030.757107] [] bdput+0x3d/0x40 [ 1030.773368] [] __blkdev_put+0x79e/0x81e [ 1030.793324] [] ? freeze_bdev+0x264/0x264 [ 1030.811515] [] ? __wake_up_sync+0x12/0x12 [ 1030.828509] [] ? mutex_set_owner+0x8e/0xc6 [ 1030.844829] [] ? mutex_unlock+0x9d/0xce [ 1030.864856] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1030.884990] [] blkdev_put+0x430/0x43d [ 1030.905826] [] device_add_disk+0x8b9/0xb6c [ 1030.923775] [] ? blk_alloc_devt+0x245/0x245 [ 1030.942925] [] ? vsprintf+0x31/0x31 [ 1030.960196] [] ? __list_add+0x211/0x249 [ 1030.976516] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1030.995457] [] brd_init+0x10e/0x239 [ 1031.014634] [] ? ramdisk_size+0x28/0x28 [ 1031.082141] [] do_one_initcall+0x16d/0x258 [ 1031.110908] [] ? initcall_blacklisted+0x198/0x198 [ 1031.145709] [] ? up_write+0x8c/0xd9 [ 1031.172094] [] ? down_write_trylock+0x100/0x100 [ 1031.193625] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1031.217853] [] kernel_init_freeable+0x457/0x518 [ 1031.240800] [] kernel_init+0x16/0x181 [ 1031.258909] [] ret_from_fork+0x1f/0x40 [ 1031.276138] [] ? rest_init+0x8f/0x8f [ 1031.291784] ================================================================================ [ 1031.614312] brd: module loaded [ 1031.628655] ================================================================================ [ 1031.667280] UBSAN: Undefined behaviour in block/blk-mq-tag.c:562:21 [ 1031.703124] member access within misaligned address ffff88005c4fc008 for type 'struct blk_align_bitmap' [ 1031.747779] which requires 64 byte alignment [ 1031.765247] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1031.788594] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1031.823682] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8e8 ffffffffb26ec5cc [ 1031.849615] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1031.875329] ffffffff00000010 ffff88005c9df910 ffff88005c9df8c0 ffffffffb363c3e0 [ 1031.909355] Call Trace: [ 1031.919615] [] dump_stack+0xd7/0x132 [ 1031.939617] [] ? arch_local_irq_restore+0x1b/0x1b [ 1031.963297] [] ubsan_epilogue+0x12/0x53 [ 1031.987574] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1032.011176] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1032.041589] [] ? kasan_unpoison_shadow+0x14/0x35 [ 1032.065027] [] ? kasan_kmalloc+0x94/0xa3 [ 1032.090298] [] bt_update_count+0x183/0x265 [ 1032.112849] [] bt_alloc.constprop.4+0x35d/0x478 [ 1032.140181] [] ? kzalloc_node.constprop.5+0x25/0x25 [ 1032.163072] [] ? kzalloc_node+0x2c/0x2e [ 1032.187708] [] blk_mq_init_tags+0x130/0x1ef [ 1032.208538] [] blk_mq_init_rq_map+0x110/0x905 [ 1032.231755] [] ? __kmalloc_node+0x308/0x32e [ 1032.256928] [] ? blk_mq_unfreeze_queue+0xc7/0xc7 [ 1032.280569] [] ? idr_mark_full+0xbb/0xe0 [ 1032.306336] [] blk_mq_alloc_tag_set+0x497/0x8d0 [ 1032.327624] [] ? blk_mq_init_rq_map+0x905/0x905 [ 1032.352119] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1032.374279] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1032.398058] [] ? loop_add+0xa3/0x7a8 [ 1032.419336] [] loop_add+0x275/0x7a8 [ 1032.441153] [] ? loop_queue_work+0x15d6/0x15d6 [ 1032.465315] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1032.488263] [] loop_init+0x254/0x2f8 [ 1032.517118] [] ? max_loop_setup+0x28/0x28 [ 1032.537579] [] ? blk_register_region+0x50/0x5e [ 1032.559270] [] ? max_loop_setup+0x28/0x28 [ 1032.577608] [] do_one_initcall+0x16d/0x258 [ 1032.605591] [] ? initcall_blacklisted+0x198/0x198 [ 1032.639989] [] ? up_write+0x8c/0xd9 [ 1032.674028] [] ? down_write_trylock+0x100/0x100 [ 1032.695734] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1032.718186] [] kernel_init_freeable+0x457/0x518 [ 1032.739719] [] kernel_init+0x16/0x181 [ 1032.757464] [] ret_from_fork+0x1f/0x40 [ 1032.772135] [] ? rest_init+0x8f/0x8f [ 1032.788899] ================================================================================ [ 1032.819578] ================================================================================ [ 1032.846500] UBSAN: Undefined behaviour in block/blk-mq-tag.c:563:27 [ 1032.864443] member access within misaligned address ffff88005c4fc008 for type 'struct blk_align_bitmap' [ 1032.893103] which requires 64 byte alignment [ 1032.908402] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1032.927920] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1032.959568] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8e8 ffffffffb26ec5cc [ 1032.986694] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1033.008169] ffffffff00000010 ffff88005c9df910 ffff88005c9df8c0 ffffffffb363c3e0 [ 1033.032234] Call Trace: [ 1033.040128] [] dump_stack+0xd7/0x132 [ 1033.054662] [] ? arch_local_irq_restore+0x1b/0x1b [ 1033.075493] [] ubsan_epilogue+0x12/0x53 [ 1033.091531] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1033.111515] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1033.136532] [] ? kasan_unpoison_shadow+0x14/0x35 [ 1033.158055] [] ? kasan_kmalloc+0x94/0xa3 [ 1033.175969] [] bt_update_count+0x1ce/0x265 [ 1033.194779] [] bt_alloc.constprop.4+0x35d/0x478 [ 1033.215636] [] ? kzalloc_node.constprop.5+0x25/0x25 [ 1033.236149] [] ? kzalloc_node+0x2c/0x2e [ 1033.252822] [] blk_mq_init_tags+0x130/0x1ef [ 1033.272610] [] blk_mq_init_rq_map+0x110/0x905 [ 1033.293982] [] ? __kmalloc_node+0x308/0x32e [ 1033.314585] [] ? blk_mq_unfreeze_queue+0xc7/0xc7 [ 1033.338716] [] ? idr_mark_full+0xbb/0xe0 [ 1033.356043] [] blk_mq_alloc_tag_set+0x497/0x8d0 [ 1033.379755] [] ? blk_mq_init_rq_map+0x905/0x905 [ 1033.406505] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1033.431481] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1033.456820] [] ? loop_add+0xa3/0x7a8 [ 1033.476945] [] loop_add+0x275/0x7a8 [ 1033.495799] [] ? loop_queue_work+0x15d6/0x15d6 [ 1033.522977] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1033.545605] [] loop_init+0x254/0x2f8 [ 1033.571078] [] ? max_loop_setup+0x28/0x28 [ 1033.590073] [] ? blk_register_region+0x50/0x5e [ 1033.612967] [] ? max_loop_setup+0x28/0x28 [ 1033.632459] [] do_one_initcall+0x16d/0x258 [ 1033.661104] [] ? initcall_blacklisted+0x198/0x198 [ 1033.684881] [] ? up_write+0x8c/0xd9 [ 1033.706781] [] ? down_write_trylock+0x100/0x100 [ 1033.726426] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1033.750020] [] kernel_init_freeable+0x457/0x518 [ 1033.773059] [] kernel_init+0x16/0x181 [ 1033.792425] [] ret_from_fork+0x1f/0x40 [ 1033.812505] [] ? rest_init+0x8f/0x8f [ 1033.833544] ================================================================================ [ 1033.911954] ================================================================================ [ 1034.011661] UBSAN: Undefined behaviour in block/blk-mq.c:2030:23 [ 1034.036962] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1034.062627] which requires 64 byte alignment [ 1034.078780] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1034.096196] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1034.130627] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1034.153366] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1034.174396] 0000000000000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1034.198019] Call Trace: [ 1034.205645] [] dump_stack+0xd7/0x132 [ 1034.220970] [] ? arch_local_irq_restore+0x1b/0x1b [ 1034.242697] [] ubsan_epilogue+0x12/0x53 [ 1034.259613] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1034.278128] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1034.300798] [] blk_mq_realloc_hw_ctxs+0x308/0x1485 [ 1034.321470] [] ? blk_mq_update_queue_map+0x355/0x39b [ 1034.341587] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1034.360777] [] ? blk_mq_make_queue_map+0x63/0xca [ 1034.381663] [] ? kzalloc_node+0x2c/0x2e [ 1034.398556] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1034.420654] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1034.440177] [] blk_mq_init_queue+0x64/0x8b [ 1034.459897] [] loop_add+0x28d/0x7a8 [ 1034.474297] [] ? loop_queue_work+0x15d6/0x15d6 [ 1034.491470] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1034.510542] [] loop_init+0x254/0x2f8 [ 1034.524873] [] ? max_loop_setup+0x28/0x28 [ 1034.541634] [] ? blk_register_region+0x50/0x5e [ 1034.559939] [] ? max_loop_setup+0x28/0x28 [ 1034.578532] [] do_one_initcall+0x16d/0x258 [ 1034.593237] [] ? initcall_blacklisted+0x198/0x198 [ 1034.611651] [] ? up_write+0x8c/0xd9 [ 1034.626277] [] ? down_write_trylock+0x100/0x100 [ 1034.644790] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1034.665856] [] kernel_init_freeable+0x457/0x518 [ 1034.686129] [] kernel_init+0x16/0x181 [ 1034.702873] [] ret_from_fork+0x1f/0x40 [ 1034.719675] [] ? rest_init+0x8f/0x8f [ 1034.737876] ================================================================================ [ 1034.762354] ================================================================================ [ 1034.786246] UBSAN: Undefined behaviour in block/blk-mq.c:2031:23 [ 1034.804792] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1034.832262] which requires 64 byte alignment [ 1034.844393] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1034.862918] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1034.894429] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1034.917627] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1034.939977] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1034.963190] Call Trace: [ 1034.971645] [] dump_stack+0xd7/0x132 [ 1034.990427] [] ? arch_local_irq_restore+0x1b/0x1b [ 1035.010537] [] ubsan_epilogue+0x12/0x53 [ 1035.028125] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1035.047921] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1035.070913] [] blk_mq_realloc_hw_ctxs+0x352/0x1485 [ 1035.090628] [] ? blk_mq_update_queue_map+0x355/0x39b [ 1035.114385] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1035.139757] [] ? blk_mq_make_queue_map+0x63/0xca [ 1035.161883] [] ? kzalloc_node+0x2c/0x2e [ 1035.180617] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1035.203155] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1035.225332] [] blk_mq_init_queue+0x64/0x8b [ 1035.243859] [] loop_add+0x28d/0x7a8 [ 1035.260749] [] ? loop_queue_work+0x15d6/0x15d6 [ 1035.281584] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1035.303529] [] loop_init+0x254/0x2f8 [ 1035.319301] [] ? max_loop_setup+0x28/0x28 [ 1035.334117] [] ? blk_register_region+0x50/0x5e [ 1035.352244] [] ? max_loop_setup+0x28/0x28 [ 1035.366945] [] do_one_initcall+0x16d/0x258 [ 1035.385221] [] ? initcall_blacklisted+0x198/0x198 [ 1035.405856] [] ? up_write+0x8c/0xd9 [ 1035.420274] [] ? down_write_trylock+0x100/0x100 [ 1035.439211] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1035.460781] [] kernel_init_freeable+0x457/0x518 [ 1035.479194] [] kernel_init+0x16/0x181 [ 1035.492649] [] ret_from_fork+0x1f/0x40 [ 1035.510466] [] ? rest_init+0x8f/0x8f [ 1035.527489] ================================================================================ [ 1035.555433] ================================================================================ [ 1035.579849] UBSAN: Undefined behaviour in block/blk-mq.c:1733:13 [ 1035.596526] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1035.624770] which requires 64 byte alignment [ 1035.639306] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1035.655995] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1035.682391] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1035.703753] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1035.726757] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1035.748398] Call Trace: [ 1035.755160] [] dump_stack+0xd7/0x132 [ 1035.770892] [] ? arch_local_irq_restore+0x1b/0x1b [ 1035.789349] [] ubsan_epilogue+0x12/0x53 [ 1035.806041] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1035.829053] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1035.852498] [] blk_mq_realloc_hw_ctxs+0x3d2/0x1485 [ 1035.872979] [] ? blk_mq_update_queue_map+0x355/0x39b [ 1035.894228] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1035.913681] [] ? blk_mq_make_queue_map+0x63/0xca [ 1035.933269] [] ? kzalloc_node+0x2c/0x2e [ 1035.948327] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1035.970907] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1035.990738] [] blk_mq_init_queue+0x64/0x8b [ 1036.009214] [] loop_add+0x28d/0x7a8 [ 1036.025158] [] ? loop_queue_work+0x15d6/0x15d6 [ 1036.046412] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1036.066041] [] loop_init+0x254/0x2f8 [ 1036.084740] [] ? max_loop_setup+0x28/0x28 [ 1036.100573] [] ? blk_register_region+0x50/0x5e [ 1036.124233] [] ? max_loop_setup+0x28/0x28 [ 1036.145217] [] do_one_initcall+0x16d/0x258 [ 1036.166060] [] ? initcall_blacklisted+0x198/0x198 [ 1036.195266] [] ? up_write+0x8c/0xd9 [ 1036.215491] [] ? down_write_trylock+0x100/0x100 [ 1036.244301] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1036.269717] [] kernel_init_freeable+0x457/0x518 [ 1036.297112] [] kernel_init+0x16/0x181 [ 1036.317105] [] ret_from_fork+0x1f/0x40 [ 1036.337773] [] ? rest_init+0x8f/0x8f [ 1036.357030] ================================================================================ [ 1036.392435] ================================================================================ [ 1036.420764] UBSAN: Undefined behaviour in block/blk-mq.c:1737:2 [ 1036.440646] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1036.471130] which requires 64 byte alignment [ 1036.484625] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1036.507189] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1036.541075] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1036.566064] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1036.646555] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1036.679627] Call Trace: [ 1036.687701] [] dump_stack+0xd7/0x132 [ 1036.704934] [] ? arch_local_irq_restore+0x1b/0x1b [ 1036.725598] [] ubsan_epilogue+0x12/0x53 [ 1036.743341] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1036.765749] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1036.789589] [] blk_mq_realloc_hw_ctxs+0x48a/0x1485 [ 1036.812439] [] ? blk_mq_update_queue_map+0x355/0x39b [ 1036.833217] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1036.853667] [] ? blk_mq_make_queue_map+0x63/0xca [ 1036.871782] [] ? kzalloc_node+0x2c/0x2e [ 1036.889247] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1036.911253] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1036.933945] [] blk_mq_init_queue+0x64/0x8b [ 1036.953355] [] loop_add+0x28d/0x7a8 [ 1036.967439] [] ? loop_queue_work+0x15d6/0x15d6 [ 1036.985969] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1037.005853] [] loop_init+0x254/0x2f8 [ 1037.021174] [] ? max_loop_setup+0x28/0x28 [ 1037.041450] [] ? blk_register_region+0x50/0x5e [ 1037.059359] [] ? max_loop_setup+0x28/0x28 [ 1037.075988] [] do_one_initcall+0x16d/0x258 [ 1037.096705] [] ? initcall_blacklisted+0x198/0x198 [ 1037.122596] [] ? up_write+0x8c/0xd9 [ 1037.141116] [] ? down_write_trylock+0x100/0x100 [ 1037.163961] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1037.185774] [] kernel_init_freeable+0x457/0x518 [ 1037.206305] [] kernel_init+0x16/0x181 [ 1037.222250] [] ret_from_fork+0x1f/0x40 [ 1037.240081] [] ? rest_init+0x8f/0x8f [ 1037.255850] ================================================================================ [ 1037.284760] ================================================================================ [ 1037.321988] UBSAN: Undefined behaviour in block/blk-mq.c:1737:2 [ 1037.340766] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1037.367418] which requires 64 byte alignment [ 1037.380739] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1037.399757] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1037.426458] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1037.457308] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1037.480718] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1037.505608] Call Trace: [ 1037.513834] [] dump_stack+0xd7/0x132 [ 1037.531637] [] ? arch_local_irq_restore+0x1b/0x1b [ 1037.549983] [] ubsan_epilogue+0x12/0x53 [ 1037.566401] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1037.588632] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1037.612517] [] blk_mq_realloc_hw_ctxs+0x512/0x1485 [ 1037.634011] [] ? blk_mq_update_queue_map+0x355/0x39b [ 1037.674910] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1037.728429] [] ? blk_mq_make_queue_map+0x63/0xca [ 1037.763317] [] ? kzalloc_node+0x2c/0x2e [ 1037.780621] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1037.804646] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1037.824100] [] blk_mq_init_queue+0x64/0x8b [ 1037.841687] [] loop_add+0x28d/0x7a8 [ 1037.859366] [] ? loop_queue_work+0x15d6/0x15d6 [ 1037.876329] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1037.891619] [] loop_init+0x254/0x2f8 [ 1037.907852] [] ? max_loop_setup+0x28/0x28 [ 1037.926254] [] ? blk_register_region+0x50/0x5e [ 1037.943671] [] ? max_loop_setup+0x28/0x28 [ 1037.962076] [] do_one_initcall+0x16d/0x258 [ 1037.979307] [] ? initcall_blacklisted+0x198/0x198 [ 1037.998804] [] ? up_write+0x8c/0xd9 [ 1038.017048] [] ? down_write_trylock+0x100/0x100 [ 1038.037099] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1038.057411] [] kernel_init_freeable+0x457/0x518 [ 1038.076016] [] kernel_init+0x16/0x181 [ 1038.090065] [] ret_from_fork+0x1f/0x40 [ 1038.107462] [] ? rest_init+0x8f/0x8f [ 1038.125508] ================================================================================ [ 1038.150565] ================================================================================ [ 1038.177278] UBSAN: Undefined behaviour in block/blk-mq.c:1737:2 [ 1038.191606] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1038.224128] which requires 64 byte alignment [ 1038.239291] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1038.257633] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1038.285176] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1038.308505] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1038.336584] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1038.361317] Call Trace: [ 1038.370436] [] dump_stack+0xd7/0x132 [ 1038.410115] [] ? arch_local_irq_restore+0x1b/0x1b [ 1038.439555] [] ubsan_epilogue+0x12/0x53 [ 1038.462517] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1038.490867] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1038.517791] [] ? memset+0x31/0x38 [ 1038.539389] [] blk_mq_realloc_hw_ctxs+0x54e/0x1485 [ 1038.563499] [] ? blk_mq_update_queue_map+0x355/0x39b [ 1038.596917] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1038.634668] [] ? blk_mq_make_queue_map+0x63/0xca [ 1038.659427] [] ? kzalloc_node+0x2c/0x2e [ 1038.682415] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1038.709634] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1038.733199] [] blk_mq_init_queue+0x64/0x8b [ 1038.754238] [] loop_add+0x28d/0x7a8 [ 1038.770179] [] ? loop_queue_work+0x15d6/0x15d6 [ 1038.789986] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1038.813182] [] loop_init+0x254/0x2f8 [ 1038.830020] [] ? max_loop_setup+0x28/0x28 [ 1038.846627] [] ? blk_register_region+0x50/0x5e [ 1038.867834] [] ? max_loop_setup+0x28/0x28 [ 1039.026586] [] do_one_initcall+0x16d/0x258 [ 1039.071291] [] ? initcall_blacklisted+0x198/0x198 [ 1039.093288] [] ? up_write+0x8c/0xd9 [ 1039.113599] [] ? down_write_trylock+0x100/0x100 [ 1039.133162] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1039.153901] [] kernel_init_freeable+0x457/0x518 [ 1039.174015] [] kernel_init+0x16/0x181 [ 1039.191321] [] ret_from_fork+0x1f/0x40 [ 1039.205134] [] ? rest_init+0x8f/0x8f [ 1039.217749] ================================================================================ [ 1039.242874] ================================================================================ [ 1039.267136] UBSAN: Undefined behaviour in block/blk-mq.c:1737:2 [ 1039.284767] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1039.311929] which requires 64 byte alignment [ 1039.325287] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1039.346897] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1039.381977] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1039.401522] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1039.426656] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1039.451078] Call Trace: [ 1039.458206] [] dump_stack+0xd7/0x132 [ 1039.475382] [] ? arch_local_irq_restore+0x1b/0x1b [ 1039.494938] [] ubsan_epilogue+0x12/0x53 [ 1039.511150] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1039.530841] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1039.551786] [] ? memset+0x31/0x38 [ 1039.570042] [] blk_mq_realloc_hw_ctxs+0x57e/0x1485 [ 1039.591281] [] ? blk_mq_update_queue_map+0x355/0x39b [ 1039.612034] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1039.633300] [] ? blk_mq_make_queue_map+0x63/0xca [ 1039.655314] [] ? kzalloc_node+0x2c/0x2e [ 1039.671384] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1039.693471] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1039.713526] [] blk_mq_init_queue+0x64/0x8b [ 1039.735506] [] loop_add+0x28d/0x7a8 [ 1039.752417] [] ? loop_queue_work+0x15d6/0x15d6 [ 1039.773956] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1039.795012] [] loop_init+0x254/0x2f8 [ 1039.817022] [] ? max_loop_setup+0x28/0x28 [ 1039.843844] [] ? blk_register_region+0x50/0x5e [ 1039.870620] [] ? max_loop_setup+0x28/0x28 [ 1039.896998] [] do_one_initcall+0x16d/0x258 [ 1039.927387] [] ? initcall_blacklisted+0x198/0x198 [ 1039.950763] [] ? up_write+0x8c/0xd9 [ 1039.967679] [] ? down_write_trylock+0x100/0x100 [ 1039.993842] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1040.016742] [] kernel_init_freeable+0x457/0x518 [ 1040.045094] [] kernel_init+0x16/0x181 [ 1040.064868] [] ret_from_fork+0x1f/0x40 [ 1040.085085] [] ? rest_init+0x8f/0x8f [ 1040.104688] ================================================================================ [ 1040.132845] ================================================================================ [ 1040.164069] UBSAN: Undefined behaviour in block/blk-mq.c:1738:2 [ 1040.185453] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1040.215374] which requires 64 byte alignment [ 1040.230742] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1040.248203] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1040.290487] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1040.322252] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1040.367483] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1040.407990] Call Trace: [ 1040.415373] [] dump_stack+0xd7/0x132 [ 1040.445165] [] ? arch_local_irq_restore+0x1b/0x1b [ 1040.470415] [] ubsan_epilogue+0x12/0x53 [ 1040.493908] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1040.519016] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1040.543628] [] ? memset+0x31/0x38 [ 1040.556901] [] blk_mq_realloc_hw_ctxs+0x5aa/0x1485 [ 1040.575910] [] ? blk_mq_update_queue_map+0x355/0x39b [ 1040.598235] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1040.615895] [] ? blk_mq_make_queue_map+0x63/0xca [ 1040.634832] [] ? kzalloc_node+0x2c/0x2e [ 1040.652253] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1040.674179] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1040.692968] [] blk_mq_init_queue+0x64/0x8b [ 1040.709898] [] loop_add+0x28d/0x7a8 [ 1040.725479] [] ? loop_queue_work+0x15d6/0x15d6 [ 1040.744088] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1040.763879] [] loop_init+0x254/0x2f8 [ 1040.781854] [] ? max_loop_setup+0x28/0x28 [ 1040.804173] [] ? blk_register_region+0x50/0x5e [ 1040.819814] [] ? max_loop_setup+0x28/0x28 [ 1040.838642] [] do_one_initcall+0x16d/0x258 [ 1040.855663] [] ? initcall_blacklisted+0x198/0x198 [ 1040.871963] [] ? up_write+0x8c/0xd9 [ 1040.890427] [] ? down_write_trylock+0x100/0x100 [ 1040.908572] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1040.927702] [] kernel_init_freeable+0x457/0x518 [ 1040.945451] [] kernel_init+0x16/0x181 [ 1040.961157] [] ret_from_fork+0x1f/0x40 [ 1040.976196] [] ? rest_init+0x8f/0x8f [ 1040.990978] ================================================================================ [ 1041.016468] ================================================================================ [ 1041.046098] UBSAN: Undefined behaviour in block/blk-mq.c:1738:2 [ 1041.063485] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1041.091989] which requires 64 byte alignment [ 1041.108283] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1041.128059] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1041.159817] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1041.185895] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1041.218766] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1041.247467] Call Trace: [ 1041.258582] [] dump_stack+0xd7/0x132 [ 1041.278493] [] ? arch_local_irq_restore+0x1b/0x1b [ 1041.297558] [] ubsan_epilogue+0x12/0x53 [ 1041.326926] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1041.351649] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1041.374411] [] ? memset+0x31/0x38 [ 1041.390483] [] blk_mq_realloc_hw_ctxs+0x644/0x1485 [ 1041.412002] [] ? blk_mq_update_queue_map+0x355/0x39b [ 1041.432403] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1041.455244] [] ? blk_mq_make_queue_map+0x63/0xca [ 1041.473013] [] ? kzalloc_node+0x2c/0x2e [ 1041.488856] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1041.509493] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1041.531316] [] blk_mq_init_queue+0x64/0x8b [ 1041.547580] [] loop_add+0x28d/0x7a8 [ 1041.566125] [] ? loop_queue_work+0x15d6/0x15d6 [ 1041.589655] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1041.612360] [] loop_init+0x254/0x2f8 [ 1041.632771] [] ? max_loop_setup+0x28/0x28 [ 1041.652801] [] ? blk_register_region+0x50/0x5e [ 1041.675204] [] ? max_loop_setup+0x28/0x28 [ 1041.691571] [] do_one_initcall+0x16d/0x258 [ 1041.711318] [] ? initcall_blacklisted+0x198/0x198 [ 1041.733582] [] ? up_write+0x8c/0xd9 [ 1041.752027] [] ? down_write_trylock+0x100/0x100 [ 1041.776077] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1041.796651] [] kernel_init_freeable+0x457/0x518 [ 1041.815860] [] kernel_init+0x16/0x181 [ 1041.833002] [] ret_from_fork+0x1f/0x40 [ 1041.850997] [] ? rest_init+0x8f/0x8f [ 1041.867880] ================================================================================ [ 1041.900753] ================================================================================ [ 1041.927527] UBSAN: Undefined behaviour in block/blk-mq.c:1738:2 [ 1041.945837] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1041.973900] which requires 64 byte alignment [ 1041.990982] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1042.010482] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1042.041185] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1042.066643] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1042.091621] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1042.114234] Call Trace: [ 1042.122282] [] dump_stack+0xd7/0x132 [ 1042.138754] [] ? arch_local_irq_restore+0x1b/0x1b [ 1042.164076] [] ubsan_epilogue+0x12/0x53 [ 1042.180518] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1042.201633] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1042.224473] [] ? memset+0x31/0x38 [ 1042.239315] [] blk_mq_realloc_hw_ctxs+0x689/0x1485 [ 1042.259982] [] ? blk_mq_update_queue_map+0x355/0x39b [ 1042.283633] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1042.302151] [] ? blk_mq_make_queue_map+0x63/0xca [ 1042.326965] [] ? kzalloc_node+0x2c/0x2e [ 1042.344322] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1042.363479] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1042.385783] [] blk_mq_init_queue+0x64/0x8b [ 1042.404359] [] loop_add+0x28d/0x7a8 [ 1042.416875] [] ? loop_queue_work+0x15d6/0x15d6 [ 1042.434693] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1042.455307] [] loop_init+0x254/0x2f8 [ 1042.470797] [] ? max_loop_setup+0x28/0x28 [ 1042.489371] [] ? blk_register_region+0x50/0x5e [ 1042.506002] [] ? max_loop_setup+0x28/0x28 [ 1042.521416] [] do_one_initcall+0x16d/0x258 [ 1042.540801] [] ? initcall_blacklisted+0x198/0x198 [ 1042.557619] [] ? up_write+0x8c/0xd9 [ 1042.575026] [] ? down_write_trylock+0x100/0x100 [ 1042.592603] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1042.616968] [] kernel_init_freeable+0x457/0x518 [ 1042.642911] [] kernel_init+0x16/0x181 [ 1042.658360] [] ret_from_fork+0x1f/0x40 [ 1042.675455] [] ? rest_init+0x8f/0x8f [ 1042.694203] ================================================================================ [ 1042.720638] ================================================================================ [ 1042.747371] UBSAN: Undefined behaviour in block/blk-mq.c:1738:2 [ 1042.766625] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1042.796146] which requires 64 byte alignment [ 1042.809124] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1042.827224] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1042.856051] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1042.879166] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1042.905679] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1042.928028] Call Trace: [ 1042.933638] [] dump_stack+0xd7/0x132 [ 1042.950286] [] ? arch_local_irq_restore+0x1b/0x1b [ 1042.970056] [] ubsan_epilogue+0x12/0x53 [ 1042.987487] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1043.008292] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1043.030431] [] ? memset+0x31/0x38 [ 1043.043742] [] blk_mq_realloc_hw_ctxs+0x6b9/0x1485 [ 1043.062890] [] ? blk_mq_update_queue_map+0x355/0x39b [ 1043.083498] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1043.104340] [] ? blk_mq_make_queue_map+0x63/0xca [ 1043.120003] [] ? kzalloc_node+0x2c/0x2e [ 1043.138659] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1043.159519] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1043.182011] [] blk_mq_init_queue+0x64/0x8b [ 1043.197772] [] loop_add+0x28d/0x7a8 [ 1043.215152] [] ? loop_queue_work+0x15d6/0x15d6 [ 1043.232408] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1043.250664] [] loop_init+0x254/0x2f8 [ 1043.265807] [] ? max_loop_setup+0x28/0x28 [ 1043.282081] [] ? blk_register_region+0x50/0x5e [ 1043.298034] [] ? max_loop_setup+0x28/0x28 [ 1043.314441] [] do_one_initcall+0x16d/0x258 [ 1043.332562] [] ? initcall_blacklisted+0x198/0x198 [ 1043.351868] [] ? up_write+0x8c/0xd9 [ 1043.366299] [] ? down_write_trylock+0x100/0x100 [ 1043.385178] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1043.407272] [] kernel_init_freeable+0x457/0x518 [ 1043.426533] [] kernel_init+0x16/0x181 [ 1043.439340] [] ret_from_fork+0x1f/0x40 [ 1043.455730] [] ? rest_init+0x8f/0x8f [ 1043.471915] ================================================================================ [ 1043.496324] ================================================================================ [ 1043.523003] UBSAN: Undefined behaviour in block/blk-mq.c:1739:2 [ 1043.539927] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1043.564312] which requires 64 byte alignment [ 1043.577917] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1043.595299] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1043.624885] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1043.648177] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1043.673139] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1043.697837] Call Trace: [ 1043.704807] [] dump_stack+0xd7/0x132 [ 1043.716991] [] ? arch_local_irq_restore+0x1b/0x1b [ 1043.738347] [] ubsan_epilogue+0x12/0x53 [ 1043.755909] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1043.777679] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1043.797634] [] ? memset+0x31/0x38 [ 1043.812764] [] blk_mq_realloc_hw_ctxs+0x6e5/0x1485 [ 1043.831627] [] ? blk_mq_update_queue_map+0x355/0x39b [ 1043.853057] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1043.873428] [] ? blk_mq_make_queue_map+0x63/0xca [ 1043.894806] [] ? kzalloc_node+0x2c/0x2e [ 1043.912427] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1043.931676] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1043.953702] [] blk_mq_init_queue+0x64/0x8b [ 1043.972695] [] loop_add+0x28d/0x7a8 [ 1043.990571] [] ? loop_queue_work+0x15d6/0x15d6 [ 1044.008067] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1044.026385] [] loop_init+0x254/0x2f8 [ 1044.042693] [] ? max_loop_setup+0x28/0x28 [ 1044.059087] [] ? blk_register_region+0x50/0x5e [ 1044.077728] [] ? max_loop_setup+0x28/0x28 [ 1044.094881] [] do_one_initcall+0x16d/0x258 [ 1044.115805] [] ? initcall_blacklisted+0x198/0x198 [ 1044.134618] [] ? up_write+0x8c/0xd9 [ 1044.150837] [] ? down_write_trylock+0x100/0x100 [ 1044.168921] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1044.190016] [] kernel_init_freeable+0x457/0x518 [ 1044.208668] [] kernel_init+0x16/0x181 [ 1044.225037] [] ret_from_fork+0x1f/0x40 [ 1044.239144] [] ? rest_init+0x8f/0x8f [ 1044.254161] ================================================================================ [ 1044.280169] ================================================================================ [ 1044.305148] UBSAN: Undefined behaviour in block/blk-mq.c:1741:14 [ 1044.324837] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1044.353412] which requires 64 byte alignment [ 1044.365502] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1044.386800] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1044.413433] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1044.434355] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1044.456848] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1044.479876] Call Trace: [ 1044.489006] [] dump_stack+0xd7/0x132 [ 1044.506127] [] ? arch_local_irq_restore+0x1b/0x1b [ 1044.529122] [] ubsan_epilogue+0x12/0x53 [ 1044.546303] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1044.566781] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1044.588107] [] ? memset+0x31/0x38 [ 1044.603205] [] blk_mq_realloc_hw_ctxs+0x761/0x1485 [ 1044.619245] [] ? blk_mq_update_queue_map+0x355/0x39b [ 1044.639270] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1044.659097] [] ? blk_mq_make_queue_map+0x63/0xca [ 1044.677653] [] ? kzalloc_node+0x2c/0x2e [ 1044.695746] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1044.714748] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1044.734090] [] blk_mq_init_queue+0x64/0x8b [ 1044.750247] [] loop_add+0x28d/0x7a8 [ 1044.764270] [] ? loop_queue_work+0x15d6/0x15d6 [ 1044.782994] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1044.801177] [] loop_init+0x254/0x2f8 [ 1044.815251] [] ? max_loop_setup+0x28/0x28 [ 1044.832197] [] ? blk_register_region+0x50/0x5e [ 1044.851778] [] ? max_loop_setup+0x28/0x28 [ 1044.867963] [] do_one_initcall+0x16d/0x258 [ 1044.888347] [] ? initcall_blacklisted+0x198/0x198 [ 1044.907700] [] ? up_write+0x8c/0xd9 [ 1044.921199] [] ? down_write_trylock+0x100/0x100 [ 1044.939686] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1044.959310] [] kernel_init_freeable+0x457/0x518 [ 1044.978534] [] kernel_init+0x16/0x181 [ 1044.995354] [] ret_from_fork+0x1f/0x40 [ 1045.012542] [] ? rest_init+0x8f/0x8f [ 1045.028353] ================================================================================ [ 1045.049665] ================================================================================ [ 1045.074726] UBSAN: Undefined behaviour in block/blk-mq.c:1742:18 [ 1045.091592] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1045.117160] which requires 64 byte alignment [ 1045.131538] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1045.148216] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1045.175599] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1045.196402] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1045.215140] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1045.239916] Call Trace: [ 1045.247872] [] dump_stack+0xd7/0x132 [ 1045.260785] [] ? arch_local_irq_restore+0x1b/0x1b [ 1045.279479] [] ubsan_epilogue+0x12/0x53 [ 1045.295235] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1045.315806] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1045.335744] [] ? memset+0x31/0x38 [ 1045.351687] [] blk_mq_realloc_hw_ctxs+0x794/0x1485 [ 1045.369100] [] ? blk_mq_update_queue_map+0x355/0x39b [ 1045.391677] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1045.411132] [] ? blk_mq_make_queue_map+0x63/0xca [ 1045.429246] [] ? kzalloc_node+0x2c/0x2e [ 1045.444090] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1045.464483] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1045.484205] [] blk_mq_init_queue+0x64/0x8b [ 1045.498061] [] loop_add+0x28d/0x7a8 [ 1045.512794] [] ? loop_queue_work+0x15d6/0x15d6 [ 1045.531822] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1045.552574] [] loop_init+0x254/0x2f8 [ 1045.568946] [] ? max_loop_setup+0x28/0x28 [ 1045.586837] [] ? blk_register_region+0x50/0x5e [ 1045.605710] [] ? max_loop_setup+0x28/0x28 [ 1045.622626] [] do_one_initcall+0x16d/0x258 [ 1045.636132] [] ? initcall_blacklisted+0x198/0x198 [ 1045.654884] [] ? up_write+0x8c/0xd9 [ 1045.670216] [] ? down_write_trylock+0x100/0x100 [ 1045.689925] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1045.708772] [] kernel_init_freeable+0x457/0x518 [ 1045.727396] [] kernel_init+0x16/0x181 [ 1045.742841] [] ret_from_fork+0x1f/0x40 [ 1045.757802] [] ? rest_init+0x8f/0x8f [ 1045.773041] ================================================================================ [ 1045.799248] ================================================================================ [ 1045.821201] UBSAN: Undefined behaviour in block/blk-mq.c:1743:14 [ 1045.841086] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1045.866335] which requires 64 byte alignment [ 1045.879323] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1045.896271] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1045.925746] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1045.947226] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1045.969834] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1045.994009] Call Trace: [ 1045.999658] [] dump_stack+0xd7/0x132 [ 1046.015893] [] ? arch_local_irq_restore+0x1b/0x1b [ 1046.035629] [] ubsan_epilogue+0x12/0x53 [ 1046.050016] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1046.074766] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1046.097428] [] ? memset+0x31/0x38 [ 1046.113406] [] blk_mq_realloc_hw_ctxs+0x7f4/0x1485 [ 1046.132529] [] ? blk_mq_update_queue_map+0x355/0x39b [ 1046.151713] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1046.171579] [] ? blk_mq_make_queue_map+0x63/0xca [ 1046.190129] [] ? kzalloc_node+0x2c/0x2e [ 1046.206839] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1046.226755] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1046.247007] [] blk_mq_init_queue+0x64/0x8b [ 1046.262649] [] loop_add+0x28d/0x7a8 [ 1046.278636] [] ? loop_queue_work+0x15d6/0x15d6 [ 1046.293984] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1046.312817] [] loop_init+0x254/0x2f8 [ 1046.330058] [] ? max_loop_setup+0x28/0x28 [ 1046.346552] [] ? blk_register_region+0x50/0x5e [ 1046.365607] [] ? max_loop_setup+0x28/0x28 [ 1046.384146] [] do_one_initcall+0x16d/0x258 [ 1046.402274] [] ? initcall_blacklisted+0x198/0x198 [ 1046.416942] [] ? up_write+0x8c/0xd9 [ 1046.434090] [] ? down_write_trylock+0x100/0x100 [ 1046.453215] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1046.470841] [] kernel_init_freeable+0x457/0x518 [ 1046.491184] [] kernel_init+0x16/0x181 [ 1046.507453] [] ret_from_fork+0x1f/0x40 [ 1046.521817] [] ? rest_init+0x8f/0x8f [ 1046.536208] ================================================================================ [ 1046.564225] ================================================================================ [ 1046.588671] UBSAN: Undefined behaviour in block/blk-mq.c:1749:13 [ 1046.607680] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1046.635801] which requires 64 byte alignment [ 1046.649776] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1046.666119] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1046.692082] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1046.714791] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1046.736003] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1046.756797] Call Trace: [ 1046.765582] [] dump_stack+0xd7/0x132 [ 1046.781731] [] ? arch_local_irq_restore+0x1b/0x1b [ 1046.797389] [] ubsan_epilogue+0x12/0x53 [ 1046.813614] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1046.833799] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1046.878136] [] blk_mq_realloc_hw_ctxs+0x8a7/0x1485 [ 1046.895976] [] ? blk_mq_update_queue_map+0x355/0x39b [ 1046.914601] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1046.934589] [] ? blk_mq_make_queue_map+0x63/0xca [ 1046.954965] [] ? kzalloc_node+0x2c/0x2e [ 1046.970867] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1046.989767] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1047.011678] [] blk_mq_init_queue+0x64/0x8b [ 1047.028023] [] loop_add+0x28d/0x7a8 [ 1047.046030] [] ? loop_queue_work+0x15d6/0x15d6 [ 1047.062788] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1047.080013] [] loop_init+0x254/0x2f8 [ 1047.095357] [] ? max_loop_setup+0x28/0x28 [ 1047.111872] [] ? blk_register_region+0x50/0x5e [ 1047.128454] [] ? max_loop_setup+0x28/0x28 [ 1047.145923] [] do_one_initcall+0x16d/0x258 [ 1047.162593] [] ? initcall_blacklisted+0x198/0x198 [ 1047.182293] [] ? up_write+0x8c/0xd9 [ 1047.205078] [] ? down_write_trylock+0x100/0x100 [ 1047.220850] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1047.244615] [] kernel_init_freeable+0x457/0x518 [ 1047.264011] [] kernel_init+0x16/0x181 [ 1047.278724] [] ret_from_fork+0x1f/0x40 [ 1047.294893] [] ? rest_init+0x8f/0x8f [ 1047.327108] ================================================================================ [ 1047.357024] ================================================================================ [ 1047.385324] UBSAN: Undefined behaviour in block/blk-mq.c:1755:13 [ 1047.400185] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1047.430247] which requires 64 byte alignment [ 1047.443236] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1047.460387] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1047.492856] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1047.514557] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1047.537540] ffff880000000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1047.565013] Call Trace: [ 1047.573296] [] dump_stack+0xd7/0x132 [ 1047.590255] [] ? arch_local_irq_restore+0x1b/0x1b [ 1047.609931] [] ubsan_epilogue+0x12/0x53 [ 1047.627191] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1047.644607] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1047.679885] [] blk_mq_realloc_hw_ctxs+0x8fd/0x1485 [ 1047.696951] [] ? blk_mq_update_queue_map+0x355/0x39b [ 1047.715866] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1047.736160] [] ? blk_mq_make_queue_map+0x63/0xca [ 1047.753818] [] ? kzalloc_node+0x2c/0x2e [ 1047.773950] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1047.795112] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1047.815318] [] blk_mq_init_queue+0x64/0x8b [ 1047.834302] [] loop_add+0x28d/0x7a8 [ 1047.849410] [] ? loop_queue_work+0x15d6/0x15d6 [ 1047.867333] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1047.886406] [] loop_init+0x254/0x2f8 [ 1047.902499] [] ? max_loop_setup+0x28/0x28 [ 1047.917492] [] ? blk_register_region+0x50/0x5e [ 1047.937361] [] ? max_loop_setup+0x28/0x28 [ 1047.955640] [] do_one_initcall+0x16d/0x258 [ 1047.971083] [] ? initcall_blacklisted+0x198/0x198 [ 1047.992390] [] ? up_write+0x8c/0xd9 [ 1048.007765] [] ? down_write_trylock+0x100/0x100 [ 1048.025008] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1048.045566] [] kernel_init_freeable+0x457/0x518 [ 1048.073620] [] kernel_init+0x16/0x181 [ 1048.092001] [] ret_from_fork+0x1f/0x40 [ 1048.110347] [] ? rest_init+0x8f/0x8f [ 1048.127024] ================================================================================ [ 1048.152555] ================================================================================ [ 1048.182545] UBSAN: Undefined behaviour in block/blk-mq.c:1757:11 [ 1048.202188] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1048.228241] which requires 64 byte alignment [ 1048.238762] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1048.259154] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1048.286818] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1048.310317] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1048.332857] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1048.358037] Call Trace: [ 1048.365355] [] dump_stack+0xd7/0x132 [ 1048.379027] [] ? arch_local_irq_restore+0x1b/0x1b [ 1048.397749] [] ubsan_epilogue+0x12/0x53 [ 1048.414577] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1048.435432] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1048.469069] [] blk_mq_realloc_hw_ctxs+0x933/0x1485 [ 1048.485665] [] ? blk_mq_update_queue_map+0x355/0x39b [ 1048.504537] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1048.525785] [] ? blk_mq_make_queue_map+0x63/0xca [ 1048.545277] [] ? kzalloc_node+0x2c/0x2e [ 1048.560753] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1048.584977] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1048.613404] [] blk_mq_init_queue+0x64/0x8b [ 1048.633172] [] loop_add+0x28d/0x7a8 [ 1048.652506] [] ? loop_queue_work+0x15d6/0x15d6 [ 1048.673946] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1048.701451] [] loop_init+0x254/0x2f8 [ 1048.716571] [] ? max_loop_setup+0x28/0x28 [ 1048.735944] [] ? blk_register_region+0x50/0x5e [ 1048.758055] [] ? max_loop_setup+0x28/0x28 [ 1048.776037] [] do_one_initcall+0x16d/0x258 [ 1048.792714] [] ? initcall_blacklisted+0x198/0x198 [ 1048.812689] [] ? up_write+0x8c/0xd9 [ 1048.829777] [] ? down_write_trylock+0x100/0x100 [ 1048.849269] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1048.869379] [] kernel_init_freeable+0x457/0x518 [ 1048.890433] [] kernel_init+0x16/0x181 [ 1048.906937] [] ret_from_fork+0x1f/0x40 [ 1048.920026] [] ? rest_init+0x8f/0x8f [ 1048.933544] ================================================================================ [ 1048.961607] ================================================================================ [ 1048.987491] UBSAN: Undefined behaviour in block/blk-mq.c:1628:24 [ 1049.014475] member access within misaligned address ffff88005bc59e50 for type 'struct blk_align_bitmap' [ 1049.044077] which requires 64 byte alignment [ 1049.054423] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1049.072457] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1049.103858] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1049.127772] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1049.150023] 0000000000000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1049.170681] Call Trace: [ 1049.181925] [] dump_stack+0xd7/0x132 [ 1049.195345] [] ? arch_local_irq_restore+0x1b/0x1b [ 1049.215258] [] ubsan_epilogue+0x12/0x53 [ 1049.231606] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1049.251855] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1049.276770] [] blk_mq_realloc_hw_ctxs+0xb48/0x1485 [ 1049.296620] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1049.317536] [] ? blk_mq_make_queue_map+0x63/0xca [ 1049.336640] [] ? kzalloc_node+0x2c/0x2e [ 1049.352599] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1049.374258] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1049.396517] [] blk_mq_init_queue+0x64/0x8b [ 1049.412295] [] loop_add+0x28d/0x7a8 [ 1049.429189] [] ? loop_queue_work+0x15d6/0x15d6 [ 1049.448743] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1049.466904] [] loop_init+0x254/0x2f8 [ 1049.480818] [] ? max_loop_setup+0x28/0x28 [ 1049.499861] [] ? blk_register_region+0x50/0x5e [ 1049.517046] [] ? max_loop_setup+0x28/0x28 [ 1049.533604] [] do_one_initcall+0x16d/0x258 [ 1049.551324] [] ? initcall_blacklisted+0x198/0x198 [ 1049.572785] [] ? up_write+0x8c/0xd9 [ 1049.590057] [] ? down_write_trylock+0x100/0x100 [ 1049.610717] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1049.630396] [] kernel_init_freeable+0x457/0x518 [ 1049.648551] [] kernel_init+0x16/0x181 [ 1049.665478] [] ret_from_fork+0x1f/0x40 [ 1049.679124] [] ? rest_init+0x8f/0x8f [ 1049.691641] ================================================================================ [ 1049.715378] ================================================================================ [ 1049.740997] UBSAN: Undefined behaviour in block/blk-mq.c:1629:26 [ 1049.762146] member access within misaligned address ffff88005bc59e50 for type 'struct blk_align_bitmap' [ 1049.790660] which requires 64 byte alignment [ 1049.803460] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1049.821232] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1049.847361] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1049.868508] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1049.893650] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1049.915949] Call Trace: [ 1049.924970] [] dump_stack+0xd7/0x132 [ 1049.943136] [] ? arch_local_irq_restore+0x1b/0x1b [ 1049.959878] [] ubsan_epilogue+0x12/0x53 [ 1049.975377] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1049.994654] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1050.015472] [] blk_mq_realloc_hw_ctxs+0xba8/0x1485 [ 1050.033973] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1050.053673] [] ? blk_mq_make_queue_map+0x63/0xca [ 1050.075343] [] ? kzalloc_node+0x2c/0x2e [ 1050.092160] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1050.109822] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1050.128727] [] blk_mq_init_queue+0x64/0x8b [ 1050.146951] [] loop_add+0x28d/0x7a8 [ 1050.171573] [] ? loop_queue_work+0x15d6/0x15d6 [ 1050.187503] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1050.205966] [] loop_init+0x254/0x2f8 [ 1050.223016] [] ? max_loop_setup+0x28/0x28 [ 1050.239269] [] ? blk_register_region+0x50/0x5e [ 1050.258210] [] ? max_loop_setup+0x28/0x28 [ 1050.274408] [] do_one_initcall+0x16d/0x258 [ 1050.289462] [] ? initcall_blacklisted+0x198/0x198 [ 1050.310351] [] ? up_write+0x8c/0xd9 [ 1050.325735] [] ? down_write_trylock+0x100/0x100 [ 1050.342948] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1050.365343] [] kernel_init_freeable+0x457/0x518 [ 1050.385204] [] kernel_init+0x16/0x181 [ 1050.403098] [] ret_from_fork+0x1f/0x40 [ 1050.427289] [] ? rest_init+0x8f/0x8f [ 1050.443789] ================================================================================ [ 1050.468853] ================================================================================ [ 1050.492994] UBSAN: Undefined behaviour in block/blk-mq.c:1763:15 [ 1050.510396] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1050.535017] which requires 64 byte alignment [ 1050.549657] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1050.567632] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1050.594039] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1050.615249] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1050.636819] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1050.659812] Call Trace: [ 1050.666358] [] dump_stack+0xd7/0x132 [ 1050.685682] [] ? arch_local_irq_restore+0x1b/0x1b [ 1050.706087] [] ubsan_epilogue+0x12/0x53 [ 1050.722705] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1050.739398] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1050.765623] [] blk_mq_realloc_hw_ctxs+0x11ab/0x1485 [ 1050.784811] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1050.803485] [] ? blk_mq_make_queue_map+0x63/0xca [ 1050.821761] [] ? kzalloc_node+0x2c/0x2e [ 1050.838004] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1050.861490] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1050.882098] [] blk_mq_init_queue+0x64/0x8b [ 1050.897641] [] loop_add+0x28d/0x7a8 [ 1050.916830] [] ? loop_queue_work+0x15d6/0x15d6 [ 1050.946476] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1050.964636] [] loop_init+0x254/0x2f8 [ 1050.980757] [] ? max_loop_setup+0x28/0x28 [ 1050.997982] [] ? blk_register_region+0x50/0x5e [ 1051.014828] [] ? max_loop_setup+0x28/0x28 [ 1051.030921] [] do_one_initcall+0x16d/0x258 [ 1051.048158] [] ? initcall_blacklisted+0x198/0x198 [ 1051.067595] [] ? up_write+0x8c/0xd9 [ 1051.082641] [] ? down_write_trylock+0x100/0x100 [ 1051.102116] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1051.124097] [] kernel_init_freeable+0x457/0x518 [ 1051.143772] [] kernel_init+0x16/0x181 [ 1051.157805] [] ret_from_fork+0x1f/0x40 [ 1051.172168] [] ? rest_init+0x8f/0x8f [ 1051.188276] ================================================================================ [ 1051.216290] ================================================================================ [ 1051.247241] UBSAN: Undefined behaviour in block/blk-mq.c:1769:42 [ 1051.272638] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1051.306917] which requires 64 byte alignment [ 1051.319597] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1051.339636] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1051.369756] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1051.397666] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1051.424352] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1051.449944] Call Trace: [ 1051.455735] [] dump_stack+0xd7/0x132 [ 1051.476149] [] ? arch_local_irq_restore+0x1b/0x1b [ 1051.502406] [] ubsan_epilogue+0x12/0x53 [ 1051.521057] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1051.546002] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1051.571934] [] blk_mq_realloc_hw_ctxs+0x1237/0x1485 [ 1051.596206] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1051.620209] [] ? blk_mq_make_queue_map+0x63/0xca [ 1051.638959] [] ? kzalloc_node+0x2c/0x2e [ 1051.659112] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1051.682132] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1051.706096] [] blk_mq_init_queue+0x64/0x8b [ 1051.725649] [] loop_add+0x28d/0x7a8 [ 1051.739854] [] ? loop_queue_work+0x15d6/0x15d6 [ 1051.763528] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1051.783556] [] loop_init+0x254/0x2f8 [ 1051.801541] [] ? max_loop_setup+0x28/0x28 [ 1051.818670] [] ? blk_register_region+0x50/0x5e [ 1051.838416] [] ? max_loop_setup+0x28/0x28 [ 1051.857209] [] do_one_initcall+0x16d/0x258 [ 1051.878654] [] ? initcall_blacklisted+0x198/0x198 [ 1051.903753] [] ? up_write+0x8c/0xd9 [ 1051.919790] [] ? down_write_trylock+0x100/0x100 [ 1051.939402] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1051.968330] [] kernel_init_freeable+0x457/0x518 [ 1051.989538] [] kernel_init+0x16/0x181 [ 1052.016257] [] ret_from_fork+0x1f/0x40 [ 1052.034801] [] ? rest_init+0x8f/0x8f [ 1052.053640] ================================================================================ [ 1052.084000] ================================================================================ [ 1052.112103] UBSAN: Undefined behaviour in block/blk-mq.c:1769:11 [ 1052.132262] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1052.164535] which requires 64 byte alignment [ 1052.178641] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1052.201044] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1052.235464] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1052.266495] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1052.301689] 0000000000000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1052.328493] Call Trace: [ 1052.350107] [] dump_stack+0xd7/0x132 [ 1052.405522] [] ? arch_local_irq_restore+0x1b/0x1b [ 1052.435427] [] ubsan_epilogue+0x12/0x53 [ 1052.461055] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1052.495724] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1052.614698] [] blk_mq_realloc_hw_ctxs+0x124b/0x1485 [ 1052.646030] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1052.670324] [] ? blk_mq_make_queue_map+0x63/0xca [ 1052.687107] [] ? kzalloc_node+0x2c/0x2e [ 1052.705989] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1052.727585] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1052.748456] [] blk_mq_init_queue+0x64/0x8b [ 1052.765124] [] loop_add+0x28d/0x7a8 [ 1052.782505] [] ? loop_queue_work+0x15d6/0x15d6 [ 1052.798633] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1052.815814] [] loop_init+0x254/0x2f8 [ 1052.832873] [] ? max_loop_setup+0x28/0x28 [ 1052.851027] [] ? blk_register_region+0x50/0x5e [ 1052.869110] [] ? max_loop_setup+0x28/0x28 [ 1052.887826] [] do_one_initcall+0x16d/0x258 [ 1052.906375] [] ? initcall_blacklisted+0x198/0x198 [ 1052.927918] [] ? up_write+0x8c/0xd9 [ 1052.945179] [] ? down_write_trylock+0x100/0x100 [ 1052.967245] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1052.992714] [] kernel_init_freeable+0x457/0x518 [ 1053.018435] [] kernel_init+0x16/0x181 [ 1053.041770] [] ret_from_fork+0x1f/0x40 [ 1053.066124] [] ? rest_init+0x8f/0x8f [ 1053.084201] ================================================================================ [ 1053.114982] ================================================================================ [ 1053.147284] UBSAN: Undefined behaviour in block/blk-mq.c:1770:11 [ 1053.170465] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1053.204311] which requires 64 byte alignment [ 1053.220543] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1053.241344] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1053.273732] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1053.296976] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1053.322079] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1053.344041] Call Trace: [ 1053.352496] [] dump_stack+0xd7/0x132 [ 1053.370019] [] ? arch_local_irq_restore+0x1b/0x1b [ 1053.391926] [] ubsan_epilogue+0x12/0x53 [ 1053.406185] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1053.429568] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1053.451112] [] blk_mq_realloc_hw_ctxs+0x125f/0x1485 [ 1053.472119] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1053.491382] [] ? blk_mq_make_queue_map+0x63/0xca [ 1053.509377] [] ? kzalloc_node+0x2c/0x2e [ 1053.525307] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1053.545971] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1053.566834] [] blk_mq_init_queue+0x64/0x8b [ 1053.589617] [] loop_add+0x28d/0x7a8 [ 1053.609196] [] ? loop_queue_work+0x15d6/0x15d6 [ 1053.633361] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1053.654551] [] loop_init+0x254/0x2f8 [ 1053.673066] [] ? max_loop_setup+0x28/0x28 [ 1053.696356] [] ? blk_register_region+0x50/0x5e [ 1053.715714] [] ? max_loop_setup+0x28/0x28 [ 1053.735833] [] do_one_initcall+0x16d/0x258 [ 1053.752725] [] ? initcall_blacklisted+0x198/0x198 [ 1053.774318] [] ? up_write+0x8c/0xd9 [ 1053.787165] [] ? down_write_trylock+0x100/0x100 [ 1053.805107] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1053.825142] [] kernel_init_freeable+0x457/0x518 [ 1053.844568] [] kernel_init+0x16/0x181 [ 1053.858905] [] ret_from_fork+0x1f/0x40 [ 1053.877164] [] ? rest_init+0x8f/0x8f [ 1053.895576] ================================================================================ [ 1053.925629] ================================================================================ [ 1053.952622] UBSAN: Undefined behaviour in block/blk-mq.c:1775:12 [ 1053.968036] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1053.997048] which requires 64 byte alignment [ 1054.012673] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1054.030684] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1054.059054] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9a8 ffffffffb26ec5cc [ 1054.082970] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1054.108982] ffffffff00000010 ffff88005c9df9d0 ffff88005c9df980 ffffffffb363c3e0 [ 1054.138472] Call Trace: [ 1054.150686] [] dump_stack+0xd7/0x132 [ 1054.171181] [] ? arch_local_irq_restore+0x1b/0x1b [ 1054.193153] [] ubsan_epilogue+0x12/0x53 [ 1054.225207] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1054.254307] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1054.282610] [] blk_mq_realloc_hw_ctxs+0x12f4/0x1485 [ 1054.305242] [] ? loop_attr_offset_show+0x53/0x53 [ 1054.325982] [] ? blk_mq_exit_hctx.isra.17+0x2da/0x2da [ 1054.352405] [] ? blk_mq_make_queue_map+0x63/0xca [ 1054.374025] [] ? kzalloc_node+0x2c/0x2e [ 1054.404116] [] blk_mq_init_allocated_queue+0x25b/0xded [ 1054.443407] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1054.484494] [] blk_mq_init_queue+0x64/0x8b [ 1054.507006] [] loop_add+0x28d/0x7a8 [ 1054.530900] [] ? loop_queue_work+0x15d6/0x15d6 [ 1054.552391] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1054.575905] [] loop_init+0x254/0x2f8 [ 1054.598169] [] ? max_loop_setup+0x28/0x28 [ 1054.621855] [] ? blk_register_region+0x50/0x5e [ 1054.641580] [] ? max_loop_setup+0x28/0x28 [ 1054.662961] [] do_one_initcall+0x16d/0x258 [ 1054.682492] [] ? initcall_blacklisted+0x198/0x198 [ 1054.705236] [] ? up_write+0x8c/0xd9 [ 1054.724170] [] ? down_write_trylock+0x100/0x100 [ 1054.743414] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1054.769572] [] kernel_init_freeable+0x457/0x518 [ 1054.809375] [] kernel_init+0x16/0x181 [ 1054.850925] [] ret_from_fork+0x1f/0x40 [ 1054.872591] [] ? rest_init+0x8f/0x8f [ 1054.897665] ================================================================================ [ 1054.928946] ================================================================================ [ 1054.962468] UBSAN: Undefined behaviour in block/blk-mq.c:1841:16 [ 1054.983569] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1055.019009] which requires 64 byte alignment [ 1055.035854] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1055.057851] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1055.102171] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa90 ffffffffb26ec5cc [ 1055.135766] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1055.171840] ffff880000000010 ffff88005c9dfab8 ffff88005c9dfa68 ffffffffb363c3e0 [ 1055.207279] Call Trace: [ 1055.217727] [] dump_stack+0xd7/0x132 [ 1055.238447] [] ? arch_local_irq_restore+0x1b/0x1b [ 1055.260282] [] ubsan_epilogue+0x12/0x53 [ 1055.282984] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1055.308896] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1055.338379] [] blk_mq_map_swqueue+0x168/0x928 [ 1055.365727] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1055.388186] [] blk_mq_init_allocated_queue+0xcba/0xded [ 1055.414301] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1055.442034] [] blk_mq_init_queue+0x64/0x8b [ 1055.467956] [] loop_add+0x28d/0x7a8 [ 1055.495128] [] ? loop_queue_work+0x15d6/0x15d6 [ 1055.525559] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1055.550627] [] loop_init+0x254/0x2f8 [ 1055.569541] [] ? max_loop_setup+0x28/0x28 [ 1055.589323] [] ? blk_register_region+0x50/0x5e [ 1055.611373] [] ? max_loop_setup+0x28/0x28 [ 1055.628973] [] do_one_initcall+0x16d/0x258 [ 1055.646219] [] ? initcall_blacklisted+0x198/0x198 [ 1055.666452] [] ? up_write+0x8c/0xd9 [ 1055.684403] [] ? down_write_trylock+0x100/0x100 [ 1055.701416] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1055.722791] [] kernel_init_freeable+0x457/0x518 [ 1055.746057] [] kernel_init+0x16/0x181 [ 1055.762261] [] ret_from_fork+0x1f/0x40 [ 1055.781119] [] ? rest_init+0x8f/0x8f [ 1055.801575] ================================================================================ [ 1055.833506] ================================================================================ [ 1055.866498] UBSAN: Undefined behaviour in block/blk-mq.c:1856:23 [ 1055.892546] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1055.934812] which requires 64 byte alignment [ 1055.951029] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1055.970456] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1056.003905] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa90 ffffffffb26ec5cc [ 1056.030835] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1056.117508] ffff880000000010 ffff88005c9dfab8 ffff88005c9dfa68 ffffffffb363c3e0 [ 1056.146323] Call Trace: [ 1056.154151] [] dump_stack+0xd7/0x132 [ 1056.169717] [] ? arch_local_irq_restore+0x1b/0x1b [ 1056.190237] [] ubsan_epilogue+0x12/0x53 [ 1056.210531] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1056.233546] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1056.254593] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 1056.274546] [] blk_mq_map_swqueue+0x2f5/0x928 [ 1056.292492] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1056.309522] [] blk_mq_init_allocated_queue+0xcba/0xded [ 1056.331103] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1056.351443] [] blk_mq_init_queue+0x64/0x8b [ 1056.367411] [] loop_add+0x28d/0x7a8 [ 1056.398165] [] ? loop_queue_work+0x15d6/0x15d6 [ 1056.414691] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1056.432245] [] loop_init+0x254/0x2f8 [ 1056.449745] [] ? max_loop_setup+0x28/0x28 [ 1056.466958] [] ? blk_register_region+0x50/0x5e [ 1056.483996] [] ? max_loop_setup+0x28/0x28 [ 1056.502919] [] do_one_initcall+0x16d/0x258 [ 1056.520675] [] ? initcall_blacklisted+0x198/0x198 [ 1056.540053] [] ? up_write+0x8c/0xd9 [ 1056.557676] [] ? down_write_trylock+0x100/0x100 [ 1056.578549] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1056.600489] [] kernel_init_freeable+0x457/0x518 [ 1056.620107] [] kernel_init+0x16/0x181 [ 1056.635301] [] ret_from_fork+0x1f/0x40 [ 1056.652294] [] ? rest_init+0x8f/0x8f [ 1056.669065] ================================================================================ [ 1056.696650] ================================================================================ [ 1056.722973] UBSAN: Undefined behaviour in block/blk-mq.c:1857:7 [ 1056.740272] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1056.769714] which requires 64 byte alignment [ 1056.783827] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1056.804574] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1056.838356] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa90 ffffffffb26ec5cc [ 1056.866064] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1056.898265] ffff880000000010 ffff88005c9dfab8 ffff88005c9dfa68 ffffffffb363c3e0 [ 1056.925919] Call Trace: [ 1056.938930] [] dump_stack+0xd7/0x132 [ 1056.965675] [] ? arch_local_irq_restore+0x1b/0x1b [ 1056.993321] [] ubsan_epilogue+0x12/0x53 [ 1057.015396] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1057.044250] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1057.067616] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 1057.088954] [] blk_mq_map_swqueue+0x348/0x928 [ 1057.107023] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1057.132334] [] blk_mq_init_allocated_queue+0xcba/0xded [ 1057.155196] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1057.182671] [] blk_mq_init_queue+0x64/0x8b [ 1057.203812] [] loop_add+0x28d/0x7a8 [ 1057.223905] [] ? loop_queue_work+0x15d6/0x15d6 [ 1057.248394] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1057.268522] [] loop_init+0x254/0x2f8 [ 1057.289718] [] ? max_loop_setup+0x28/0x28 [ 1057.311701] [] ? blk_register_region+0x50/0x5e [ 1057.342167] [] ? max_loop_setup+0x28/0x28 [ 1057.366083] [] do_one_initcall+0x16d/0x258 [ 1057.383434] [] ? initcall_blacklisted+0x198/0x198 [ 1057.404600] [] ? up_write+0x8c/0xd9 [ 1057.431338] [] ? down_write_trylock+0x100/0x100 [ 1057.453076] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1057.473454] [] kernel_init_freeable+0x457/0x518 [ 1057.495590] [] kernel_init+0x16/0x181 [ 1057.511338] [] ret_from_fork+0x1f/0x40 [ 1057.533658] [] ? rest_init+0x8f/0x8f [ 1057.547796] ================================================================================ [ 1057.573625] ================================================================================ [ 1057.598625] UBSAN: Undefined behaviour in block/blk-mq.c:1857:18 [ 1057.618510] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1057.644425] which requires 64 byte alignment [ 1057.656037] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1057.676887] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1057.707080] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa90 ffffffffb26ec5cc [ 1057.732274] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1057.763285] ffff880000000010 ffff88005c9dfab8 ffff88005c9dfa68 ffffffffb363c3e0 [ 1057.792113] Call Trace: [ 1057.804622] [] dump_stack+0xd7/0x132 [ 1057.829527] [] ? arch_local_irq_restore+0x1b/0x1b [ 1057.859947] [] ubsan_epilogue+0x12/0x53 [ 1057.886780] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1057.925188] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1057.955725] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 1057.986342] [] blk_mq_map_swqueue+0x374/0x928 [ 1058.016973] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1058.037375] [] blk_mq_init_allocated_queue+0xcba/0xded [ 1058.074380] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1058.101265] [] blk_mq_init_queue+0x64/0x8b [ 1058.122425] [] loop_add+0x28d/0x7a8 [ 1058.142681] [] ? loop_queue_work+0x15d6/0x15d6 [ 1058.166479] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1058.191333] [] loop_init+0x254/0x2f8 [ 1058.210848] [] ? max_loop_setup+0x28/0x28 [ 1058.234413] [] ? blk_register_region+0x50/0x5e [ 1058.255179] [] ? max_loop_setup+0x28/0x28 [ 1058.272873] [] do_one_initcall+0x16d/0x258 [ 1058.291476] [] ? initcall_blacklisted+0x198/0x198 [ 1058.318597] [] ? up_write+0x8c/0xd9 [ 1058.363641] [] ? down_write_trylock+0x100/0x100 [ 1058.468730] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1058.498553] [] kernel_init_freeable+0x457/0x518 [ 1058.515644] [] kernel_init+0x16/0x181 [ 1058.535707] [] ret_from_fork+0x1f/0x40 [ 1058.552000] [] ? rest_init+0x8f/0x8f [ 1058.568076] ================================================================================ [ 1058.595065] ================================================================================ [ 1058.619236] UBSAN: Undefined behaviour in block/blk-mq.c:1857:26 [ 1058.637377] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1058.662676] which requires 64 byte alignment [ 1058.677726] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1058.697034] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1058.723362] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa90 ffffffffb26ec5cc [ 1058.748192] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1058.773941] ffff880000000010 ffff88005c9dfab8 ffff88005c9dfa68 ffffffffb363c3e0 [ 1058.797843] Call Trace: [ 1058.803703] [] dump_stack+0xd7/0x132 [ 1058.819005] [] ? arch_local_irq_restore+0x1b/0x1b [ 1058.837434] [] ubsan_epilogue+0x12/0x53 [ 1058.856588] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1058.876668] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1058.897613] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 1058.916506] [] blk_mq_map_swqueue+0x39c/0x928 [ 1058.937253] [] blk_mq_init_allocated_queue+0xcba/0xded [ 1058.955331] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1058.977974] [] blk_mq_init_queue+0x64/0x8b [ 1058.994900] [] loop_add+0x28d/0x7a8 [ 1059.008452] [] ? loop_queue_work+0x15d6/0x15d6 [ 1059.029238] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1059.049081] [] loop_init+0x254/0x2f8 [ 1059.067633] [] ? max_loop_setup+0x28/0x28 [ 1059.084248] [] ? blk_register_region+0x50/0x5e [ 1059.103097] [] ? max_loop_setup+0x28/0x28 [ 1059.122906] [] do_one_initcall+0x16d/0x258 [ 1059.141187] [] ? initcall_blacklisted+0x198/0x198 [ 1059.160303] [] ? up_write+0x8c/0xd9 [ 1059.176906] [] ? down_write_trylock+0x100/0x100 [ 1059.206958] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1059.230123] [] kernel_init_freeable+0x457/0x518 [ 1059.248970] [] kernel_init+0x16/0x181 [ 1059.269451] [] ret_from_fork+0x1f/0x40 [ 1059.287931] [] ? rest_init+0x8f/0x8f [ 1059.302866] ================================================================================ [ 1059.332029] ================================================================================ [ 1059.363036] UBSAN: Undefined behaviour in block/blk-mq.c:1869:12 [ 1059.384202] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1059.410772] which requires 64 byte alignment [ 1059.425844] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1059.444131] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1059.474991] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa90 ffffffffb26ec5cc [ 1059.508788] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1059.532400] ffff880000000010 ffff88005c9dfab8 ffff88005c9dfa68 ffffffffb363c3e0 [ 1059.555037] Call Trace: [ 1059.561659] [] dump_stack+0xd7/0x132 [ 1059.579092] [] ? arch_local_irq_restore+0x1b/0x1b [ 1059.596991] [] ubsan_epilogue+0x12/0x53 [ 1059.615717] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1059.635028] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1059.658632] [] blk_mq_map_swqueue+0x4a4/0x928 [ 1059.679035] [] blk_mq_init_allocated_queue+0xcba/0xded [ 1059.698178] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1059.720231] [] blk_mq_init_queue+0x64/0x8b [ 1059.738018] [] loop_add+0x28d/0x7a8 [ 1059.756273] [] ? loop_queue_work+0x15d6/0x15d6 [ 1059.774271] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1059.792078] [] loop_init+0x254/0x2f8 [ 1059.807601] [] ? max_loop_setup+0x28/0x28 [ 1059.825452] [] ? blk_register_region+0x50/0x5e [ 1059.845075] [] ? max_loop_setup+0x28/0x28 [ 1059.861406] [] do_one_initcall+0x16d/0x258 [ 1059.879549] [] ? initcall_blacklisted+0x198/0x198 [ 1059.900900] [] ? up_write+0x8c/0xd9 [ 1059.917273] [] ? down_write_trylock+0x100/0x100 [ 1059.937127] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1059.959380] [] kernel_init_freeable+0x457/0x518 [ 1059.980577] [] kernel_init+0x16/0x181 [ 1059.997768] [] ret_from_fork+0x1f/0x40 [ 1060.010340] [] ? rest_init+0x8f/0x8f [ 1060.027340] ================================================================================ [ 1060.061620] ================================================================================ [ 1060.090267] UBSAN: Undefined behaviour in block/blk-mq.c:1881:14 [ 1060.108232] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1060.139511] which requires 64 byte alignment [ 1060.150215] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1060.169744] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1060.202840] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa90 ffffffffb26ec5cc [ 1060.227360] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1060.264415] ffff880000000010 ffff88005c9dfab8 ffff88005c9dfa68 ffffffffb363c3e0 [ 1060.289229] Call Trace: [ 1060.297916] [] dump_stack+0xd7/0x132 [ 1060.311785] [] ? arch_local_irq_restore+0x1b/0x1b [ 1060.336089] [] ubsan_epilogue+0x12/0x53 [ 1060.352439] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1060.383700] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1060.407694] [] blk_mq_map_swqueue+0x71d/0x928 [ 1060.425829] [] blk_mq_init_allocated_queue+0xcba/0xded [ 1060.450583] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1060.469647] [] blk_mq_init_queue+0x64/0x8b [ 1060.484639] [] loop_add+0x28d/0x7a8 [ 1060.501420] [] ? loop_queue_work+0x15d6/0x15d6 [ 1060.518150] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1060.538146] [] loop_init+0x254/0x2f8 [ 1060.556481] [] ? max_loop_setup+0x28/0x28 [ 1060.573858] [] ? blk_register_region+0x50/0x5e [ 1060.590341] [] ? max_loop_setup+0x28/0x28 [ 1060.607349] [] do_one_initcall+0x16d/0x258 [ 1060.629380] [] ? initcall_blacklisted+0x198/0x198 [ 1060.649519] [] ? up_write+0x8c/0xd9 [ 1060.666908] [] ? down_write_trylock+0x100/0x100 [ 1060.684772] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1060.705222] [] kernel_init_freeable+0x457/0x518 [ 1060.725118] [] kernel_init+0x16/0x181 [ 1060.742026] [] ret_from_fork+0x1f/0x40 [ 1060.759004] [] ? rest_init+0x8f/0x8f [ 1060.774342] ================================================================================ [ 1060.807453] ================================================================================ [ 1060.836460] UBSAN: Undefined behaviour in block/blk-mq.c:1882:3 [ 1060.853750] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1060.883295] which requires 64 byte alignment [ 1060.897049] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1060.915637] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1060.950922] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa90 ffffffffb26ec5cc [ 1060.974522] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1060.998943] ffff880000000010 ffff88005c9dfab8 ffff88005c9dfa68 ffffffffb363c3e0 [ 1061.023432] Call Trace: [ 1061.033347] [] dump_stack+0xd7/0x132 [ 1061.061951] [] ? arch_local_irq_restore+0x1b/0x1b [ 1061.101720] [] ubsan_epilogue+0x12/0x53 [ 1061.121112] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1061.150491] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1061.177623] [] blk_mq_map_swqueue+0x749/0x928 [ 1061.201281] [] blk_mq_init_allocated_queue+0xcba/0xded [ 1061.223127] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1061.252415] [] blk_mq_init_queue+0x64/0x8b [ 1061.273601] [] loop_add+0x28d/0x7a8 [ 1061.290954] [] ? loop_queue_work+0x15d6/0x15d6 [ 1061.312913] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1061.335575] [] loop_init+0x254/0x2f8 [ 1061.350962] [] ? max_loop_setup+0x28/0x28 [ 1061.372270] [] ? blk_register_region+0x50/0x5e [ 1061.403913] [] ? max_loop_setup+0x28/0x28 [ 1061.423369] [] do_one_initcall+0x16d/0x258 [ 1061.441912] [] ? initcall_blacklisted+0x198/0x198 [ 1061.464072] [] ? up_write+0x8c/0xd9 [ 1061.481420] [] ? down_write_trylock+0x100/0x100 [ 1061.524902] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1061.625516] [] kernel_init_freeable+0x457/0x518 [ 1061.760105] [] kernel_init+0x16/0x181 [ 1061.845819] [] ret_from_fork+0x1f/0x40 [ 1061.909005] [] ? rest_init+0x8f/0x8f [ 1061.971228] ================================================================================ [ 1062.020294] ================================================================================ [ 1062.086225] UBSAN: Undefined behaviour in block/blk-mq.c:1884:20 [ 1062.120463] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1062.162621] which requires 64 byte alignment [ 1062.187308] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1062.223162] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1062.271361] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa90 ffffffffb26ec5cc [ 1062.304066] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1062.338398] ffff880000000010 ffff88005c9dfab8 ffff88005c9dfa68 ffffffffb363c3e0 [ 1062.374156] Call Trace: [ 1062.384099] [] dump_stack+0xd7/0x132 [ 1062.406829] [] ? arch_local_irq_restore+0x1b/0x1b [ 1062.436579] [] ubsan_epilogue+0x12/0x53 [ 1062.460190] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1062.488540] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1062.522373] [] blk_mq_map_swqueue+0x789/0x928 [ 1062.548368] [] blk_mq_init_allocated_queue+0xcba/0xded [ 1062.576113] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1062.601636] [] blk_mq_init_queue+0x64/0x8b [ 1062.630681] [] loop_add+0x28d/0x7a8 [ 1062.652960] [] ? loop_queue_work+0x15d6/0x15d6 [ 1062.694089] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1062.721525] [] loop_init+0x254/0x2f8 [ 1062.756748] [] ? max_loop_setup+0x28/0x28 [ 1062.777216] [] ? blk_register_region+0x50/0x5e [ 1062.802979] [] ? max_loop_setup+0x28/0x28 [ 1062.824271] [] do_one_initcall+0x16d/0x258 [ 1062.856855] [] ? initcall_blacklisted+0x198/0x198 [ 1062.889767] [] ? up_write+0x8c/0xd9 [ 1062.911806] [] ? down_write_trylock+0x100/0x100 [ 1062.961573] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1063.058545] [] kernel_init_freeable+0x457/0x518 [ 1063.136065] [] kernel_init+0x16/0x181 [ 1063.185350] [] ret_from_fork+0x1f/0x40 [ 1063.231109] [] ? rest_init+0x8f/0x8f [ 1063.257441] ================================================================================ [ 1063.300557] ================================================================================ [ 1063.343827] UBSAN: Undefined behaviour in block/blk-mq.c:1890:15 [ 1063.376553] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1063.421171] which requires 64 byte alignment [ 1063.439948] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1063.470782] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1063.524507] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa90 ffffffffb26ec5cc [ 1063.576840] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1063.616855] ffff880000000010 ffff88005c9dfab8 ffff88005c9dfa68 ffffffffb363c3e0 [ 1063.650258] Call Trace: [ 1063.657122] [] dump_stack+0xd7/0x132 [ 1063.679008] [] ? arch_local_irq_restore+0x1b/0x1b [ 1063.715201] [] ubsan_epilogue+0x12/0x53 [ 1063.739529] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1063.808729] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1063.981248] [] blk_mq_map_swqueue+0x807/0x928 [ 1064.078103] [] blk_mq_init_allocated_queue+0xcba/0xded [ 1064.131647] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1064.163196] [] blk_mq_init_queue+0x64/0x8b [ 1064.193752] [] loop_add+0x28d/0x7a8 [ 1064.218468] [] ? loop_queue_work+0x15d6/0x15d6 [ 1064.244553] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1064.274848] [] loop_init+0x254/0x2f8 [ 1064.316087] [] ? max_loop_setup+0x28/0x28 [ 1064.349468] [] ? blk_register_region+0x50/0x5e [ 1064.374147] [] ? max_loop_setup+0x28/0x28 [ 1064.404675] [] do_one_initcall+0x16d/0x258 [ 1064.441003] [] ? initcall_blacklisted+0x198/0x198 [ 1064.478277] [] ? up_write+0x8c/0xd9 [ 1064.531004] [] ? down_write_trylock+0x100/0x100 [ 1064.563366] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1064.611089] [] kernel_init_freeable+0x457/0x518 [ 1064.644876] [] kernel_init+0x16/0x181 [ 1064.674534] [] ret_from_fork+0x1f/0x40 [ 1064.701157] [] ? rest_init+0x8f/0x8f [ 1064.728929] ================================================================================ [ 1064.787486] ================================================================================ [ 1064.830092] UBSAN: Undefined behaviour in block/blk-mq.c:1895:18 [ 1064.860334] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1064.915598] which requires 64 byte alignment [ 1064.938641] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1064.974273] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1065.029857] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa90 ffffffffb26ec5cc [ 1065.067811] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1065.103957] ffff880000000010 ffff88005c9dfab8 ffff88005c9dfa68 ffffffffb363c3e0 [ 1065.150561] Call Trace: [ 1065.159258] [] dump_stack+0xd7/0x132 [ 1065.206644] [] ? arch_local_irq_restore+0x1b/0x1b [ 1065.253817] [] ubsan_epilogue+0x12/0x53 [ 1065.275959] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1065.305845] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1065.343137] [] ? find_first_bit+0xa2/0xb1 [ 1065.457469] [] blk_mq_map_swqueue+0x8c5/0x928 [ 1065.477893] [] blk_mq_init_allocated_queue+0xcba/0xded [ 1065.501512] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1065.522667] [] blk_mq_init_queue+0x64/0x8b [ 1065.543446] [] loop_add+0x28d/0x7a8 [ 1065.558848] [] ? loop_queue_work+0x15d6/0x15d6 [ 1065.580780] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1065.602686] [] loop_init+0x254/0x2f8 [ 1065.619436] [] ? max_loop_setup+0x28/0x28 [ 1065.638171] [] ? blk_register_region+0x50/0x5e [ 1065.658487] [] ? max_loop_setup+0x28/0x28 [ 1065.677406] [] do_one_initcall+0x16d/0x258 [ 1065.699352] [] ? initcall_blacklisted+0x198/0x198 [ 1065.720577] [] ? up_write+0x8c/0xd9 [ 1065.738995] [] ? down_write_trylock+0x100/0x100 [ 1065.757366] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1065.777714] [] kernel_init_freeable+0x457/0x518 [ 1065.801011] [] kernel_init+0x16/0x181 [ 1065.818762] [] ret_from_fork+0x1f/0x40 [ 1065.838909] [] ? rest_init+0x8f/0x8f [ 1065.855301] ================================================================================ [ 1065.883080] ================================================================================ [ 1065.909553] UBSAN: Undefined behaviour in block/blk-mq.c:1896:24 [ 1065.928202] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1065.956166] which requires 64 byte alignment [ 1065.968409] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1065.986936] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1066.017912] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa90 ffffffffb26ec5cc [ 1066.037162] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1066.058502] ffff880000000010 ffff88005c9dfab8 ffff88005c9dfa68 ffffffffb363c3e0 [ 1066.083940] Call Trace: [ 1066.091527] [] dump_stack+0xd7/0x132 [ 1066.106451] [] ? arch_local_irq_restore+0x1b/0x1b [ 1066.123659] [] ubsan_epilogue+0x12/0x53 [ 1066.139102] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1066.160361] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1066.185515] [] ? find_first_bit+0xa2/0xb1 [ 1066.200540] [] blk_mq_map_swqueue+0x8f1/0x928 [ 1066.219904] [] blk_mq_init_allocated_queue+0xcba/0xded [ 1066.239667] [] ? blk_mq_update_tag_set_depth+0xb5/0xb5 [ 1066.260232] [] blk_mq_init_queue+0x64/0x8b [ 1066.277509] [] loop_add+0x28d/0x7a8 [ 1066.295163] [] ? loop_queue_work+0x15d6/0x15d6 [ 1066.319814] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1066.346680] [] loop_init+0x254/0x2f8 [ 1066.365796] [] ? max_loop_setup+0x28/0x28 [ 1066.390881] [] ? blk_register_region+0x50/0x5e [ 1066.411514] [] ? max_loop_setup+0x28/0x28 [ 1066.427250] [] do_one_initcall+0x16d/0x258 [ 1066.444846] [] ? initcall_blacklisted+0x198/0x198 [ 1066.464270] [] ? up_write+0x8c/0xd9 [ 1066.478490] [] ? down_write_trylock+0x100/0x100 [ 1066.497061] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1066.519517] [] kernel_init_freeable+0x457/0x518 [ 1066.539764] [] kernel_init+0x16/0x181 [ 1066.554093] [] ret_from_fork+0x1f/0x40 [ 1066.568432] [] ? rest_init+0x8f/0x8f [ 1066.580922] ================================================================================ [ 1066.620473] ================================================================================ [ 1066.649964] UBSAN: Undefined behaviour in block/blk-mq-sysfs.c:363:24 [ 1066.668854] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1066.694545] which requires 64 byte alignment [ 1066.708080] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1066.723038] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1066.752031] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9e0 ffffffffb26ec5cc [ 1066.772561] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1066.795911] 0000000000000010 ffff88005c9dfa08 ffff88005c9df9b8 ffffffffb363c3e0 [ 1066.815797] Call Trace: [ 1066.823527] [] dump_stack+0xd7/0x132 [ 1066.837963] [] ? arch_local_irq_restore+0x1b/0x1b [ 1066.857607] [] ubsan_epilogue+0x12/0x53 [ 1066.872169] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1066.892200] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1066.912064] [] ? kobject_uevent_env+0xdee/0xe00 [ 1066.931655] [] blk_mq_register_hctx+0x37/0x1fe [ 1066.952573] [] blk_mq_register_disk+0x27b/0x311 [ 1066.971724] [] blk_register_queue+0x18c/0x213 [ 1066.990036] [] device_add_disk+0x951/0xb6c [ 1067.008474] [] ? blk_alloc_devt+0x245/0x245 [ 1067.028346] [] ? sprintf+0xc7/0xf0 [ 1067.045894] [] loop_add+0x6b7/0x7a8 [ 1067.061895] [] ? loop_queue_work+0x15d6/0x15d6 [ 1067.082377] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1067.100988] [] loop_init+0x254/0x2f8 [ 1067.119356] [] ? max_loop_setup+0x28/0x28 [ 1067.137870] [] ? blk_register_region+0x50/0x5e [ 1067.156595] [] ? max_loop_setup+0x28/0x28 [ 1067.173525] [] do_one_initcall+0x16d/0x258 [ 1067.191976] [] ? initcall_blacklisted+0x198/0x198 [ 1067.210578] [] ? up_write+0x8c/0xd9 [ 1067.227491] [] ? down_write_trylock+0x100/0x100 [ 1067.244629] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1067.263868] [] kernel_init_freeable+0x457/0x518 [ 1067.282294] [] kernel_init+0x16/0x181 [ 1067.299480] [] ret_from_fork+0x1f/0x40 [ 1067.313373] [] ? rest_init+0x8f/0x8f [ 1067.329787] ================================================================================ [ 1067.356574] ================================================================================ [ 1067.380145] UBSAN: Undefined behaviour in block/blk-mq-sysfs.c:367:11 [ 1067.401995] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1067.428566] which requires 64 byte alignment [ 1067.445268] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1067.463084] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1067.497045] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9e0 ffffffffb26ec5cc [ 1067.542518] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1067.591870] ffff880000000010 ffff88005c9dfa08 ffff88005c9df9b8 ffffffffb363c3e0 [ 1067.632559] Call Trace: [ 1067.658042] [] dump_stack+0xd7/0x132 [ 1067.682049] [] ? arch_local_irq_restore+0x1b/0x1b [ 1067.724520] [] ubsan_epilogue+0x12/0x53 [ 1067.757150] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1067.788494] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1067.828730] [] ? kobject_uevent_env+0xdee/0xe00 [ 1067.854691] [] blk_mq_register_hctx+0x63/0x1fe [ 1067.877950] [] blk_mq_register_disk+0x27b/0x311 [ 1067.898072] [] blk_register_queue+0x18c/0x213 [ 1067.928290] [] device_add_disk+0x951/0xb6c [ 1067.952349] [] ? blk_alloc_devt+0x245/0x245 [ 1067.971568] [] ? sprintf+0xc7/0xf0 [ 1067.989033] [] loop_add+0x6b7/0x7a8 [ 1068.013039] [] ? loop_queue_work+0x15d6/0x15d6 [ 1068.037289] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1068.055083] [] loop_init+0x254/0x2f8 [ 1068.072413] [] ? max_loop_setup+0x28/0x28 [ 1068.089156] [] ? blk_register_region+0x50/0x5e [ 1068.104823] [] ? max_loop_setup+0x28/0x28 [ 1068.122524] [] do_one_initcall+0x16d/0x258 [ 1068.139857] [] ? initcall_blacklisted+0x198/0x198 [ 1068.158756] [] ? up_write+0x8c/0xd9 [ 1068.174807] [] ? down_write_trylock+0x100/0x100 [ 1068.192785] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1068.211206] [] kernel_init_freeable+0x457/0x518 [ 1068.227727] [] kernel_init+0x16/0x181 [ 1068.245721] [] ret_from_fork+0x1f/0x40 [ 1068.261916] [] ? rest_init+0x8f/0x8f [ 1068.278767] ================================================================================ [ 1068.307896] ================================================================================ [ 1068.335014] UBSAN: Undefined behaviour in block/blk-mq-sysfs.c:370:8 [ 1068.352304] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1068.400676] which requires 64 byte alignment [ 1068.427873] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1068.463130] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1068.523229] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9e0 ffffffffb26ec5cc [ 1068.568946] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1068.611656] ffff880000000010 ffff88005c9dfa08 ffff88005c9df9b8 ffffffffb363c3e0 [ 1068.654358] Call Trace: [ 1068.664484] [] dump_stack+0xd7/0x132 [ 1068.683816] [] ? arch_local_irq_restore+0x1b/0x1b [ 1068.703261] [] ubsan_epilogue+0x12/0x53 [ 1068.729589] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1068.765905] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1068.813613] [] ? kobject_uevent_env+0xdee/0xe00 [ 1068.843394] [] blk_mq_register_hctx+0xa4/0x1fe [ 1068.877267] [] blk_mq_register_disk+0x27b/0x311 [ 1068.909553] [] blk_register_queue+0x18c/0x213 [ 1068.933911] [] device_add_disk+0x951/0xb6c [ 1068.968736] [] ? blk_alloc_devt+0x245/0x245 [ 1068.995455] [] ? sprintf+0xc7/0xf0 [ 1069.020551] [] loop_add+0x6b7/0x7a8 [ 1069.044321] [] ? loop_queue_work+0x15d6/0x15d6 [ 1069.080480] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1069.107394] [] loop_init+0x254/0x2f8 [ 1069.127856] [] ? max_loop_setup+0x28/0x28 [ 1069.146902] [] ? blk_register_region+0x50/0x5e [ 1069.166564] [] ? max_loop_setup+0x28/0x28 [ 1069.184982] [] do_one_initcall+0x16d/0x258 [ 1069.201125] [] ? initcall_blacklisted+0x198/0x198 [ 1069.220270] [] ? up_write+0x8c/0xd9 [ 1069.235116] [] ? down_write_trylock+0x100/0x100 [ 1069.253555] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1069.274521] [] kernel_init_freeable+0x457/0x518 [ 1069.292743] [] kernel_init+0x16/0x181 [ 1069.309599] [] ret_from_fork+0x1f/0x40 [ 1069.335788] [] ? rest_init+0x8f/0x8f [ 1069.358559] ================================================================================ [ 1069.401595] ================================================================================ [ 1069.443102] UBSAN: Undefined behaviour in block/blk-mq-sysfs.c:374:2 [ 1069.479393] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1069.524241] which requires 64 byte alignment [ 1069.544080] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1069.567272] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1069.609961] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9e0 ffffffffb26ec5cc [ 1069.643341] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1069.676008] ffffffff00000010 ffff88005c9dfa08 ffff88005c9df9b8 ffffffffb363c3e0 [ 1069.710091] Call Trace: [ 1069.722470] [] dump_stack+0xd7/0x132 [ 1069.747626] [] ? arch_local_irq_restore+0x1b/0x1b [ 1069.772408] [] ubsan_epilogue+0x12/0x53 [ 1069.792379] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1069.823030] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1069.859553] [] ? kobject_uevent_env+0xdee/0xe00 [ 1069.889989] [] blk_mq_register_hctx+0x108/0x1fe [ 1069.917977] [] blk_mq_register_disk+0x27b/0x311 [ 1069.946484] [] blk_register_queue+0x18c/0x213 [ 1069.975713] [] device_add_disk+0x951/0xb6c [ 1070.001776] [] ? blk_alloc_devt+0x245/0x245 [ 1070.026407] [] ? sprintf+0xc7/0xf0 [ 1070.047445] [] loop_add+0x6b7/0x7a8 [ 1070.064765] [] ? loop_queue_work+0x15d6/0x15d6 [ 1070.082223] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1070.102532] [] loop_init+0x254/0x2f8 [ 1070.120260] [] ? max_loop_setup+0x28/0x28 [ 1070.137107] [] ? blk_register_region+0x50/0x5e [ 1070.157211] [] ? max_loop_setup+0x28/0x28 [ 1070.175604] [] do_one_initcall+0x16d/0x258 [ 1070.193191] [] ? initcall_blacklisted+0x198/0x198 [ 1070.212135] [] ? up_write+0x8c/0xd9 [ 1070.229574] [] ? down_write_trylock+0x100/0x100 [ 1070.247348] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1070.268965] [] kernel_init_freeable+0x457/0x518 [ 1070.285937] [] kernel_init+0x16/0x181 [ 1070.298206] [] ret_from_fork+0x1f/0x40 [ 1070.313201] [] ? rest_init+0x8f/0x8f [ 1070.330242] ================================================================================ [ 1070.355262] ================================================================================ [ 1070.378628] UBSAN: Undefined behaviour in block/blk-mq-sysfs.c:374:2 [ 1070.396808] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 1070.422106] which requires 64 byte alignment [ 1070.434860] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1070.451673] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1070.480537] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9e0 ffffffffb26ec5cc [ 1070.503187] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1070.526760] ffff880000000010 ffff88005c9dfa08 ffff88005c9df9b8 ffffffffb363c3e0 [ 1070.548566] Call Trace: [ 1070.556139] [] dump_stack+0xd7/0x132 [ 1070.573204] [] ? arch_local_irq_restore+0x1b/0x1b [ 1070.592221] [] ubsan_epilogue+0x12/0x53 [ 1070.609119] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1070.631098] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1070.657968] [] ? kobject_uevent_env+0xdee/0xe00 [ 1070.678685] [] blk_mq_register_hctx+0x13c/0x1fe [ 1070.703070] [] blk_mq_register_disk+0x27b/0x311 [ 1070.726362] [] blk_register_queue+0x18c/0x213 [ 1070.750752] [] device_add_disk+0x951/0xb6c [ 1070.774938] [] ? blk_alloc_devt+0x245/0x245 [ 1070.798841] [] ? sprintf+0xc7/0xf0 [ 1070.820816] [] loop_add+0x6b7/0x7a8 [ 1070.843211] [] ? loop_queue_work+0x15d6/0x15d6 [ 1070.871787] [] ? loop_control_ioctl+0x2ae/0x2ae [ 1070.892621] [] loop_init+0x254/0x2f8 [ 1070.913506] [] ? max_loop_setup+0x28/0x28 [ 1070.935608] [] ? blk_register_region+0x50/0x5e [ 1070.958437] [] ? max_loop_setup+0x28/0x28 [ 1070.976306] [] do_one_initcall+0x16d/0x258 [ 1070.997772] [] ? initcall_blacklisted+0x198/0x198 [ 1071.021190] [] ? up_write+0x8c/0xd9 [ 1071.038265] [] ? down_write_trylock+0x100/0x100 [ 1071.057302] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1071.079247] [] kernel_init_freeable+0x457/0x518 [ 1071.131972] [] kernel_init+0x16/0x181 [ 1071.175374] [] ret_from_fork+0x1f/0x40 [ 1071.206620] [] ? rest_init+0x8f/0x8f [ 1071.230902] ================================================================================ [ 1072.048574] loop: module loaded [ 1072.509190] ================================================================================ [ 1072.531519] UBSAN: Undefined behaviour in kernel/irq/resend.c:68:10 [ 1072.553391] member access within misaligned address ffff88005d0a5e20 for type 'struct irq_desc' [ 1072.578615] which requires 64 byte alignment [ 1072.592641] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1072.612609] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1072.641279] 00000000ffffffff 00000000b1a89c60 ffff88005c9df448 ffffffffb26ec5cc [ 1072.664853] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1072.690973] ffffffff00000010 ffff88005c9df470 ffff88005c9df420 ffffffffb363c3e0 [ 1072.717604] Call Trace: [ 1072.725844] [] dump_stack+0xd7/0x132 [ 1072.745491] [] ? arch_local_irq_restore+0x1b/0x1b [ 1072.763965] [] ubsan_epilogue+0x12/0x53 [ 1072.781843] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1072.805751] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1072.828182] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1072.848908] [] ? io_apic_base+0x5f/0xa0 [ 1072.863695] [] ? __unmask_ioapic+0x162/0x175 [ 1072.882754] [] ? ioapic_ack_level+0x29e/0x29e [ 1072.899504] [] check_irq_resend+0xc2/0x225 [ 1072.917213] [] irq_startup+0x190/0x1a3 [ 1072.933822] [] __setup_irq+0xfc2/0x171f [ 1072.951293] [] ? __irq_set_trigger+0x64e/0x64e [ 1072.968081] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1072.987894] [] ? kzalloc.constprop.9+0x2b/0x2d [ 1073.004491] [] ? ata_sff_interrupt+0x24/0x24 [ 1073.022177] [] request_threaded_irq+0x252/0x2b9 [ 1073.041700] [] devm_request_threaded_irq+0x7a/0x101 [ 1073.063498] [] ? ata_sff_interrupt+0x24/0x24 [ 1073.081371] [] ata_pci_sff_activate_host+0x3be/0x5b0 [ 1073.100443] [] ? pcibios_set_master+0x154/0x18a [ 1073.119949] [] ? ata_sff_interrupt+0x24/0x24 [ 1073.137095] [] ? ata_sff_busy_sleep+0x1f6/0x1f6 [ 1073.155096] [] piix_init_one+0x1443/0x17fe [ 1073.172059] [] ? piix_pata_prereset+0x113/0x113 [ 1073.189917] [] ? idr_get_empty_slot+0xe96/0xe96 [ 1073.207299] [] ? kmem_cache_alloc+0x20f/0x33f [ 1073.224817] [] ? ida_pre_get+0x75/0x217 [ 1073.243893] [] ? ida_pre_get+0x208/0x217 [ 1073.259195] [] ? rpm_resume+0x376/0xce4 [ 1073.276550] [] ? trace_rpm_return_int_rcuidle+0x93/0x122 [ 1073.296395] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1073.316734] [] ? piix_pata_prereset+0x113/0x113 [ 1073.333724] [] local_pci_probe+0xf8/0x175 [ 1073.353061] [] pci_device_probe+0x23e/0x2b0 [ 1073.372250] [] ? pci_device_remove+0x1f5/0x1f5 [ 1073.391626] [] ? pci_device_remove+0x1f5/0x1f5 [ 1073.409468] [] driver_probe_device+0x5b2/0xe96 [ 1073.427451] [] ? pci_match_device+0x206/0x206 [ 1073.444986] [] ? driver_probe_device+0xe96/0xe96 [ 1073.463522] [] __driver_attach+0x1b0/0x262 [ 1073.483011] [] bus_for_each_dev+0x163/0x1b9 [ 1073.502040] [] ? next_device+0x65/0x65 [ 1073.517932] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1073.538524] [] driver_attach+0x49/0x4c [ 1073.553954] [] bus_add_driver+0x2be/0x62c [ 1073.570989] [] driver_register+0x2c2/0x353 [ 1073.588949] [] __pci_register_driver+0x1e1/0x21d [ 1073.605608] [] ? pci_pm_runtime_idle+0x149/0x149 [ 1073.623383] [] ? proc_create_data+0x15b/0x16a [ 1073.642484] [] ? ata_sff_init+0x3f/0x3f [ 1073.659493] [] piix_init+0x1f/0x3e [ 1073.674074] [] ? ata_sff_init+0x3f/0x3f [ 1073.694584] [] do_one_initcall+0x16d/0x258 [ 1073.711515] [] ? initcall_blacklisted+0x198/0x198 [ 1073.732513] [] ? up_write+0x8c/0xd9 [ 1073.747080] [] ? down_write_trylock+0x100/0x100 [ 1073.767015] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1073.785029] [] kernel_init_freeable+0x457/0x518 [ 1073.805150] [] kernel_init+0x16/0x181 [ 1073.820802] [] ret_from_fork+0x1f/0x40 [ 1073.840528] [] ? rest_init+0x8f/0x8f [ 1073.854635] ================================================================================ [ 1073.879123] ================================================================================ [ 1073.908454] UBSAN: Undefined behaviour in kernel/irq/resend.c:70:10 [ 1073.926460] member access within misaligned address ffff88005d0a5e20 for type 'struct irq_desc' [ 1073.953390] which requires 64 byte alignment [ 1073.965010] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1073.980759] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1074.013191] 00000000ffffffff 00000000b1a89c60 ffff88005c9df448 ffffffffb26ec5cc [ 1074.035646] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1074.060266] ffffffff00000010 ffff88005c9df470 ffff88005c9df420 ffffffffb363c3e0 [ 1074.082198] Call Trace: [ 1074.092033] [] dump_stack+0xd7/0x132 [ 1074.106366] [] ? arch_local_irq_restore+0x1b/0x1b [ 1074.127340] [] ubsan_epilogue+0x12/0x53 [ 1074.145433] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1074.168103] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1074.189688] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1074.208655] [] ? io_apic_base+0x5f/0xa0 [ 1074.225180] [] ? __unmask_ioapic+0x162/0x175 [ 1074.244806] [] ? ioapic_ack_level+0x29e/0x29e [ 1074.265253] [] check_irq_resend+0xf9/0x225 [ 1074.284414] [] irq_startup+0x190/0x1a3 [ 1074.300204] [] __setup_irq+0xfc2/0x171f [ 1074.318550] [] ? __irq_set_trigger+0x64e/0x64e [ 1074.337415] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1074.358191] [] ? kzalloc.constprop.9+0x2b/0x2d [ 1074.376588] [] ? ata_sff_interrupt+0x24/0x24 [ 1074.395302] [] request_threaded_irq+0x252/0x2b9 [ 1074.412470] [] devm_request_threaded_irq+0x7a/0x101 [ 1074.431947] [] ? ata_sff_interrupt+0x24/0x24 [ 1074.451287] [] ata_pci_sff_activate_host+0x3be/0x5b0 [ 1074.470970] [] ? pcibios_set_master+0x154/0x18a [ 1074.492434] [] ? ata_sff_interrupt+0x24/0x24 [ 1074.510569] [] ? ata_sff_busy_sleep+0x1f6/0x1f6 [ 1074.528879] [] piix_init_one+0x1443/0x17fe [ 1074.548529] [] ? piix_pata_prereset+0x113/0x113 [ 1074.569022] [] ? idr_get_empty_slot+0xe96/0xe96 [ 1074.590089] [] ? kmem_cache_alloc+0x20f/0x33f [ 1074.608149] [] ? ida_pre_get+0x75/0x217 [ 1074.626975] [] ? ida_pre_get+0x208/0x217 [ 1074.643835] [] ? rpm_resume+0x376/0xce4 [ 1074.670875] [] ? trace_rpm_return_int_rcuidle+0x93/0x122 [ 1074.693212] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1074.714641] [] ? piix_pata_prereset+0x113/0x113 [ 1074.737879] [] local_pci_probe+0xf8/0x175 [ 1074.754065] [] pci_device_probe+0x23e/0x2b0 [ 1074.772982] [] ? pci_device_remove+0x1f5/0x1f5 [ 1074.790427] [] ? pci_device_remove+0x1f5/0x1f5 [ 1074.807941] [] driver_probe_device+0x5b2/0xe96 [ 1074.827169] [] ? pci_match_device+0x206/0x206 [ 1074.847608] [] ? driver_probe_device+0xe96/0xe96 [ 1074.869370] [] __driver_attach+0x1b0/0x262 [ 1074.884972] [] bus_for_each_dev+0x163/0x1b9 [ 1074.905263] [] ? next_device+0x65/0x65 [ 1074.922164] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1074.941542] [] driver_attach+0x49/0x4c [ 1074.957554] [] bus_add_driver+0x2be/0x62c [ 1074.974484] [] driver_register+0x2c2/0x353 [ 1074.993658] [] __pci_register_driver+0x1e1/0x21d [ 1075.011871] [] ? pci_pm_runtime_idle+0x149/0x149 [ 1075.033899] [] ? proc_create_data+0x15b/0x16a [ 1075.053044] [] ? ata_sff_init+0x3f/0x3f [ 1075.071578] [] piix_init+0x1f/0x3e [ 1075.090005] [] ? ata_sff_init+0x3f/0x3f [ 1075.103332] [] do_one_initcall+0x16d/0x258 [ 1075.123362] [] ? initcall_blacklisted+0x198/0x198 [ 1075.142780] [] ? up_write+0x8c/0xd9 [ 1075.159795] [] ? down_write_trylock+0x100/0x100 [ 1075.177174] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1075.198028] [] kernel_init_freeable+0x457/0x518 [ 1075.218730] [] kernel_init+0x16/0x181 [ 1075.236934] [] ret_from_fork+0x1f/0x40 [ 1075.251213] [] ? rest_init+0x8f/0x8f [ 1075.270991] ================================================================================ [ 1076.686630] scsi host0: ata_piix [ 1076.734405] scsi host1: ata_piix [ 1076.752194] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc660 irq 14 [ 1076.773856] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc668 irq 15 [ 1076.818158] libphy: Fixed MDIO Bus: probed [ 1076.837972] tun: Universal TUN/TAP device driver, 1.6 [ 1076.851692] tun: (C) 1999-2004 Max Krasnyansky [ 1076.876454] ================================================================================ [ 1076.909790] UBSAN: Undefined behaviour in drivers/net/tun.c:2502:9 [ 1076.928973] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 1076.957749] which requires 64 byte alignment [ 1076.971320] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1076.981393] ata2.00: ATAPI: QEMU DVD-ROM, 2.5+, max UDMA/100 [ 1076.992432] ata2.00: configured for MWDMA2 [ 1077.004189] ata1.00: ATA-7: QEMU HARDDISK, 2.5+, max UDMA/100 [ 1077.004195] ata1.00: 2097152 sectors, multi 16: LBA48 [ 1077.014725] ata1.00: configured for MWDMA2 [ 1077.042840] scsi 0:0:0:0: Direct-Access ATA QEMU HARDDISK 2.5+ PQ: 0 ANSI: 5 [ 1077.134963] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.167388] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbe0 ffffffffb26ec5cc [ 1077.192738] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.216904] ffffffff00000010 ffff88005c9dfc08 ffff88005c9dfbb8 ffffffffb363c3e0 [ 1077.244605] Call Trace: [ 1077.251062] [] dump_stack+0xd7/0x132 [ 1077.268563] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.290360] [] ubsan_epilogue+0x12/0x53 [ 1077.307885] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.331287] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.361562] [] ? device_create_with_groups+0xee/0x112 [ 1077.384151] [] tun_device_event+0x5e/0x7cc [ 1077.404673] [] call_netdevice_notifier+0x9c/0xcf [ 1077.427409] [] ? dev_getfirstbyhwtype+0x119/0x119 [ 1077.448022] [] ? misc_register+0x426/0x464 [ 1077.467283] [] register_netdevice_notifier+0xe6/0x350 [ 1077.489049] [] tun_init+0xa8/0xb2 [ 1077.505105] [] ? fixed_mdio_bus_init+0x235/0x235 [ 1077.528788] [] do_one_initcall+0x16d/0x258 [ 1077.551987] [] ? initcall_blacklisted+0x198/0x198 [ 1077.572336] [] ? up_write+0x8c/0xd9 [ 1077.590476] [] ? down_write_trylock+0x100/0x100 [ 1077.611368] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1077.637160] [] kernel_init_freeable+0x457/0x518 [ 1077.661143] [] kernel_init+0x16/0x181 [ 1077.678736] [] ret_from_fork+0x1f/0x40 [ 1077.696231] [] ? rest_init+0x8f/0x8f [ 1077.715798] ================================================================================ [ 1077.755458] PPP generic driver version 2.4.2 [ 1077.781143] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 1077.814875] ehci-pci: EHCI PCI platform driver [ 1077.832983] ehci-platform: EHCI generic platform driver [ 1077.852240] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 1077.876961] ohci-pci: OHCI PCI platform driver [ 1077.917112] ohci-platform: OHCI generic platform driver [ 1077.927046] ================================================================================ [ 1077.927052] UBSAN: Undefined behaviour in kernel/workqueue.c:1897:3 [ 1077.927057] member access within misaligned address ffff88005d276038 for type 'struct worker_pool' [ 1077.927059] which requires 64 byte alignment [ 1077.927065] CPU: 0 PID: 3 Comm: ksoftirqd/0 Not tainted 4.8.11 #1 [ 1077.927068] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.927080] 00000000ffffffff 000000009ba09df9 ffff88005ca2fa88 ffffffffb26ec5cc [ 1077.927087] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.927093] ffff880000000010 ffff88005ca2fab0 ffff88005ca2fa60 ffffffffb363c3e0 [ 1077.927095] Call Trace: [ 1077.927114] [] dump_stack+0xd7/0x132 [ 1077.927121] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.927128] [] ubsan_epilogue+0x12/0x53 [ 1077.927135] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.927141] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.927149] [] ? need_to_create_worker+0xbf/0xbf [ 1077.927156] [] pool_mayday_timeout+0xa7/0x229 [ 1077.927163] [] ? __hlist_del+0x103/0x135 [ 1077.927170] [] ? need_to_create_worker+0xbf/0xbf [ 1077.927175] [] call_timer_fn+0x7b/0x254 [ 1077.927182] [] ? need_to_create_worker+0xbf/0xbf [ 1077.927188] [] __run_timers+0x6d2/0x76b [ 1077.927194] [] ? internal_add_timer+0x8f/0x8f [ 1077.927200] [] ? balance_callback+0x3a/0x137 [ 1077.927207] [] ? __schedule+0x123d/0x126c [ 1077.927216] [] ? perf_trace_irq_handler_entry+0x327/0x327 [ 1077.927221] [] run_timer_softirq+0x26/0x8f [ 1077.927228] [] __do_softirq+0x211/0x59e [ 1077.927236] [] ? perf_trace_irq_handler_entry+0x327/0x327 [ 1077.927242] [] run_ksoftirqd+0x1e/0x3a [ 1077.927249] [] smpboot_thread_fn+0x6fa/0x711 [ 1077.927256] [] ? sort_range+0x35/0x35 [ 1077.927262] [] kthread+0x1f7/0x20b [ 1077.927268] [] ? sort_range+0x35/0x35 [ 1077.927274] [] ? init_completion+0x48/0x48 [ 1077.927282] [] ret_from_fork+0x1f/0x40 [ 1077.927287] [] ? init_completion+0x48/0x48 [ 1077.927290] ================================================================================ [ 1077.928409] sd 0:0:0:0: [sda] 2097152 512-byte logical blocks: (1.07 GB/1.00 GiB) [ 1077.929739] ================================================================================ [ 1077.929745] UBSAN: Undefined behaviour in ./include/linux/unaligned/access_ok.h:64:17 [ 1077.929749] store to misaligned address ffffffffb834e9c4 for type '__be64' [ 1077.929751] which requires 8 byte alignment [ 1077.929757] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.929760] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.929774] Workqueue: events_unbound async_run_entry_fn [ 1077.929783] 00000000ffffffff 0000000019b55218 ffff88005bd97310 ffffffffb26ec5cc [ 1077.929823] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.929831] ffff880000000010 ffff88005bd97338 ffff88005bd972e8 ffffffffb363c3e0 [ 1077.929833] Call Trace: [ 1077.929842] [] dump_stack+0xd7/0x132 [ 1077.929849] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.929856] [] ubsan_epilogue+0x12/0x53 [ 1077.929863] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.929871] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.929878] [] ata_scsiop_inq_b0+0x18b/0x1e1 [ 1077.929884] [] ? ata_sas_slave_configure+0xe9/0xe9 [ 1077.929891] [] ata_scsi_rbuf_fill+0xc6/0x1f4 [ 1077.929897] [] ? ata_msense_control+0xcc/0xcc [ 1077.929903] [] ? __sg_alloc_table+0x361/0x373 [ 1077.929909] [] ? __list_del_entry+0x20c/0x242 [ 1077.929916] [] ata_scsi_simulate+0x4b4/0x549 [ 1077.929923] [] ? ata_scsi_change_queue_depth+0x84/0x84 [ 1077.929935] [] ? trace_scsi_dispatch_cmd_done+0x104/0x104 [ 1077.929942] [] __ata_scsi_queuecmd+0x794/0x80d [ 1077.929949] [] ata_scsi_queuecmd+0xc9/0x172 [ 1077.929956] [] scsi_dispatch_cmd+0x56f/0x79e [ 1077.929964] [] scsi_request_fn+0x651/0x82d [ 1077.929972] [] __blk_run_queue_uncond+0xd0/0x127 [ 1077.929979] [] __blk_run_queue+0x55/0x5f [ 1077.929986] [] blk_execute_rq_nowait+0x2a1/0x2e1 [ 1077.929993] [] ? blk_execute_rq+0x31a/0x31a [ 1077.929999] [] blk_execute_rq+0x1bc/0x31a [ 1077.930006] [] ? blk_execute_rq_nowait+0x2e1/0x2e1 [ 1077.930014] [] ? blk_rq_map_kern+0x35b/0x36d [ 1077.930021] [] scsi_execute+0x2a4/0x44d [ 1077.930029] [] scsi_execute_req_flags+0x99/0xde [ 1077.930036] [] scsi_vpd_inquiry+0xd4/0x17f [ 1077.930042] [] ? scsi_report_opcode+0x250/0x250 [ 1077.930050] [] ? kasan_kmalloc+0x94/0xa3 [ 1077.930056] [] scsi_get_vpd_page+0x12f/0x152 [ 1077.930066] [] sd_revalidate_disk+0x4804/0x4ef6 [ 1077.930074] [] ? sd_done+0x812/0x812 [ 1077.930081] [] ? paravirt_sched_clock+0x9/0xd [ 1077.930089] [] ? check_preempt_curr+0x260/0x2c3 [ 1077.930096] [] ? ttwu_do_wakeup+0x12f/0x306 [ 1077.930103] [] ? ttwu_do_activate+0x14f/0x158 [ 1077.930111] [] sd_probe_async+0x3cd/0x6ce [ 1077.930120] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.930127] [] async_run_entry_fn+0x178/0x477 [ 1077.930135] [] ? set_work_data+0x112/0x14a [ 1077.930143] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.930149] [] ? get_work_pwq+0x58/0x58 [ 1077.930157] [] process_one_work+0x54a/0x88e [ 1077.930165] [] ? create_worker+0x528/0x528 [ 1077.930172] [] ? worker_clr_flags+0x187/0x193 [ 1077.930179] [] worker_thread+0x67c/0x857 [ 1077.930186] [] kthread+0x1f7/0x20b [ 1077.930193] [] ? rescuer_thread+0x91f/0x91f [ 1077.930199] [] ? init_completion+0x48/0x48 [ 1077.930208] [] ret_from_fork+0x1f/0x40 [ 1077.930215] [] ? init_completion+0x48/0x48 [ 1077.930217] ================================================================================ [ 1077.930401] ================================================================================ [ 1077.930406] UBSAN: Undefined behaviour in ./include/uapi/linux/swab.h:191:9 [ 1077.930413] load of misaligned address ffff8800a19c39ac for type 'const __u64' [ 1077.930415] which requires 8 byte alignment [ 1077.930420] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.930423] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.930434] Workqueue: events_unbound async_run_entry_fn [ 1077.930442] 00000000ffffffff 0000000019b55218 ffff88005bd97990 ffffffffb26ec5cc [ 1077.930449] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.930456] 0000000000000010 ffff88005bd979b8 ffff88005bd97968 ffffffffb363c3e0 [ 1077.930457] Call Trace: [ 1077.930464] [] dump_stack+0xd7/0x132 [ 1077.930471] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.930478] [] ubsan_epilogue+0x12/0x53 [ 1077.930485] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.930492] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.930499] [] ? blk_limits_io_min+0x14c/0x153 [ 1077.930507] [] sd_revalidate_disk+0x4994/0x4ef6 [ 1077.930515] [] ? sd_done+0x812/0x812 [ 1077.930522] [] ? paravirt_sched_clock+0x9/0xd [ 1077.930529] [] ? check_preempt_curr+0x260/0x2c3 [ 1077.930537] [] ? ttwu_do_wakeup+0x12f/0x306 [ 1077.930544] [] ? ttwu_do_activate+0x14f/0x158 [ 1077.930552] [] sd_probe_async+0x3cd/0x6ce [ 1077.930560] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.930568] [] async_run_entry_fn+0x178/0x477 [ 1077.930575] [] ? set_work_data+0x112/0x14a [ 1077.930583] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.930589] [] ? get_work_pwq+0x58/0x58 [ 1077.930597] [] process_one_work+0x54a/0x88e [ 1077.930605] [] ? create_worker+0x528/0x528 [ 1077.930612] [] ? worker_clr_flags+0x187/0x193 [ 1077.930619] [] worker_thread+0x67c/0x857 [ 1077.930625] [] kthread+0x1f7/0x20b [ 1077.930633] [] ? rescuer_thread+0x91f/0x91f [ 1077.930639] [] ? init_completion+0x48/0x48 [ 1077.930647] [] ret_from_fork+0x1f/0x40 [ 1077.930654] [] ? init_completion+0x48/0x48 [ 1077.930656] ================================================================================ [ 1077.936584] sd 0:0:0:0: [sda] Write Protect is off [ 1077.937942] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 1077.939002] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 1077.967726] ================================================================================ [ 1077.967732] UBSAN: Undefined behaviour in kernel/irq/chip.c:638:49 [ 1077.967737] member access within misaligned address ffff88005d139418 for type 'struct irq_desc' [ 1077.967739] which requires 64 byte alignment [ 1077.967745] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.967749] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.967765] Workqueue: events_unbound async_run_entry_fn [ 1077.967774] 00000000ffffffff 0000000019b55218 ffff88005d407cc0 ffffffffb26ec5cc [ 1077.967782] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.967788] ffff880000000010 ffff88005d407ce8 ffff88005d407c98 ffffffffb363c3e0 [ 1077.967790] Call Trace: [ 1077.967823] [] dump_stack+0xd7/0x132 [ 1077.967833] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.967846] [] ubsan_epilogue+0x12/0x53 [ 1077.967875] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.967967] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.967984] [] handle_edge_irq+0x16e/0x341 [ 1077.967997] [] handle_irq+0x3f/0x47 [ 1077.968054] [] do_IRQ+0x8a/0x110 [ 1077.968070] [] common_interrupt+0x82/0x82 [ 1077.968078] [] ? __do_softirq+0x8c/0x59e [ 1077.968104] [] ? arch_local_irq_enable+0xb/0xd [ 1077.968113] [] __do_softirq+0x103/0x59e [ 1077.968124] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.968135] [] irq_exit+0x65/0xd6 [ 1077.968145] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.968154] [] apic_timer_interrupt+0x82/0x90 [ 1077.968170] [] ? arch_local_irq_restore+0x6/0xd [ 1077.968180] [] __slab_alloc+0x50/0x5b [ 1077.968191] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.968200] [] kmem_cache_alloc+0xf1/0x33f [ 1077.968209] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.968217] [] __kernfs_new_node+0xbe/0x23d [ 1077.968226] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.968235] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.968243] [] kernfs_new_node+0x3b/0x80 [ 1077.968253] [] __kernfs_create_file+0x52/0x1e6 [ 1077.968262] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.968284] [] internal_create_group+0x5ab/0x8f8 [ 1077.968297] [] sysfs_create_group+0x25/0x29 [ 1077.968307] [] sysfs_create_groups+0xae/0x137 [ 1077.968318] [] device_add+0xa68/0x127e [ 1077.968329] [] ? device_private_init+0x221/0x221 [ 1077.968338] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.968347] [] ? blk_register_region+0x50/0x5e [ 1077.968358] [] device_add_disk+0x6a1/0xb6c [ 1077.968367] [] ? blk_alloc_devt+0x245/0x245 [ 1077.968377] [] ? rpm_idle+0x42b/0x43a [ 1077.968387] [] ? queued_spin_unlock+0xe/0x1b [ 1077.968397] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.968408] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.968419] [] sd_probe_async+0x514/0x6ce [ 1077.968432] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.968446] [] async_run_entry_fn+0x178/0x477 [ 1077.968458] [] ? set_work_data+0x112/0x14a [ 1077.968471] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.968480] [] ? get_work_pwq+0x58/0x58 [ 1077.968491] [] process_one_work+0x54a/0x88e [ 1077.968501] [] ? create_worker+0x528/0x528 [ 1077.968511] [] ? worker_clr_flags+0x187/0x193 [ 1077.968523] [] worker_thread+0x67c/0x857 [ 1077.968532] [] kthread+0x1f7/0x20b [ 1077.968543] [] ? rescuer_thread+0x91f/0x91f [ 1077.968554] [] ? init_completion+0x48/0x48 [ 1077.968569] [] ret_from_fork+0x1f/0x40 [ 1077.968578] [] ? init_completion+0x48/0x48 [ 1077.968587] ================================================================================ [ 1077.968591] ================================================================================ [ 1077.968597] UBSAN: Undefined behaviour in kernel/irq/internals.h:204:2 [ 1077.968606] member access within misaligned address ffff88005d139418 for type 'struct irq_desc' [ 1077.968610] which requires 64 byte alignment [ 1077.968619] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.968623] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.968647] Workqueue: events_unbound async_run_entry_fn [ 1077.968661] 00000000ffffffff 0000000019b55218 ffff88005d407ca8 ffffffffb26ec5cc [ 1077.968674] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.968686] 0000000000000010 ffff88005d407cd0 ffff88005d407c80 ffffffffb363c3e0 [ 1077.968687] Call Trace: [ 1077.968702] [] dump_stack+0xd7/0x132 [ 1077.968714] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.968728] [] ubsan_epilogue+0x12/0x53 [ 1077.968743] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.968753] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.968766] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.968781] [] kstat_incr_irqs_this_cpu+0x26/0x41 [ 1077.968795] [] handle_edge_irq+0x19c/0x341 [ 1077.968808] [] handle_irq+0x3f/0x47 [ 1077.968830] [] do_IRQ+0x8a/0x110 [ 1077.968844] [] common_interrupt+0x82/0x82 [ 1077.968854] [] ? __do_softirq+0x8c/0x59e [ 1077.968868] [] ? arch_local_irq_enable+0xb/0xd [ 1077.968877] [] __do_softirq+0x103/0x59e [ 1077.968891] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.968906] [] irq_exit+0x65/0xd6 [ 1077.968919] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.968933] [] apic_timer_interrupt+0x82/0x90 [ 1077.968955] [] ? arch_local_irq_restore+0x6/0xd [ 1077.968967] [] __slab_alloc+0x50/0x5b [ 1077.968979] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.968987] [] kmem_cache_alloc+0xf1/0x33f [ 1077.968995] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.969009] [] __kernfs_new_node+0xbe/0x23d [ 1077.969017] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.969028] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.969039] [] kernfs_new_node+0x3b/0x80 [ 1077.969054] [] __kernfs_create_file+0x52/0x1e6 [ 1077.969064] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.969074] [] internal_create_group+0x5ab/0x8f8 [ 1077.969092] [] sysfs_create_group+0x25/0x29 [ 1077.969110] [] sysfs_create_groups+0xae/0x137 [ 1077.969120] [] device_add+0xa68/0x127e [ 1077.969130] [] ? device_private_init+0x221/0x221 [ 1077.969141] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.969152] [] ? blk_register_region+0x50/0x5e [ 1077.969162] [] device_add_disk+0x6a1/0xb6c [ 1077.969179] [] ? blk_alloc_devt+0x245/0x245 [ 1077.969194] [] ? rpm_idle+0x42b/0x43a [ 1077.969209] [] ? queued_spin_unlock+0xe/0x1b [ 1077.969225] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.969238] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.969262] [] sd_probe_async+0x514/0x6ce [ 1077.969285] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.969302] [] async_run_entry_fn+0x178/0x477 [ 1077.969319] [] ? set_work_data+0x112/0x14a [ 1077.969331] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.969342] [] ? get_work_pwq+0x58/0x58 [ 1077.969353] [] process_one_work+0x54a/0x88e [ 1077.969366] [] ? create_worker+0x528/0x528 [ 1077.969442] [] ? worker_clr_flags+0x187/0x193 [ 1077.969458] [] worker_thread+0x67c/0x857 [ 1077.969471] [] kthread+0x1f7/0x20b [ 1077.969484] [] ? rescuer_thread+0x91f/0x91f [ 1077.969496] [] ? init_completion+0x48/0x48 [ 1077.969515] [] ret_from_fork+0x1f/0x40 [ 1077.969524] [] ? init_completion+0x48/0x48 [ 1077.969532] ================================================================================ [ 1077.969537] ================================================================================ [ 1077.969543] UBSAN: Undefined behaviour in kernel/irq/chip.c:647:16 [ 1077.969549] member access within misaligned address ffff88005d139418 for type 'struct irq_desc' [ 1077.969551] which requires 64 byte alignment [ 1077.969559] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.969564] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.969580] Workqueue: events_unbound async_run_entry_fn [ 1077.969594] 00000000ffffffff 0000000019b55218 ffff88005d407cc0 ffffffffb26ec5cc [ 1077.969606] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.969617] ffffffff00000010 ffff88005d407ce8 ffff88005d407c98 ffffffffb363c3e0 [ 1077.969619] Call Trace: [ 1077.969634] [] dump_stack+0xd7/0x132 [ 1077.969646] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.969658] [] ubsan_epilogue+0x12/0x53 [ 1077.969670] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.969683] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.969698] [] handle_edge_irq+0x1b5/0x341 [ 1077.969712] [] handle_irq+0x3f/0x47 [ 1077.969723] [] do_IRQ+0x8a/0x110 [ 1077.970348] [] common_interrupt+0x82/0x82 [ 1077.970363] [] ? __do_softirq+0x8c/0x59e [ 1077.970371] [] ? arch_local_irq_enable+0xb/0xd [ 1077.970378] [] __do_softirq+0x103/0x59e [ 1077.970387] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.970394] [] irq_exit+0x65/0xd6 [ 1077.970400] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.970406] [] apic_timer_interrupt+0x82/0x90 [ 1077.970417] [] ? arch_local_irq_restore+0x6/0xd [ 1077.970423] [] __slab_alloc+0x50/0x5b [ 1077.970429] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.970434] [] kmem_cache_alloc+0xf1/0x33f [ 1077.970440] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.970445] [] __kernfs_new_node+0xbe/0x23d [ 1077.970451] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.970457] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.970463] [] kernfs_new_node+0x3b/0x80 [ 1077.970469] [] __kernfs_create_file+0x52/0x1e6 [ 1077.970476] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.970483] [] internal_create_group+0x5ab/0x8f8 [ 1077.970489] [] sysfs_create_group+0x25/0x29 [ 1077.970496] [] sysfs_create_groups+0xae/0x137 [ 1077.970503] [] device_add+0xa68/0x127e [ 1077.970509] [] ? device_private_init+0x221/0x221 [ 1077.970516] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.970551] [] ? blk_register_region+0x50/0x5e [ 1077.970562] [] device_add_disk+0x6a1/0xb6c [ 1077.970568] [] ? blk_alloc_devt+0x245/0x245 [ 1077.970574] [] ? rpm_idle+0x42b/0x43a [ 1077.970580] [] ? queued_spin_unlock+0xe/0x1b [ 1077.970586] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.970592] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.970600] [] sd_probe_async+0x514/0x6ce [ 1077.970608] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.970616] [] async_run_entry_fn+0x178/0x477 [ 1077.970623] [] ? set_work_data+0x112/0x14a [ 1077.970630] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.970636] [] ? get_work_pwq+0x58/0x58 [ 1077.970643] [] process_one_work+0x54a/0x88e [ 1077.970650] [] ? create_worker+0x528/0x528 [ 1077.970656] [] ? worker_clr_flags+0x187/0x193 [ 1077.970663] [] worker_thread+0x67c/0x857 [ 1077.970669] [] kthread+0x1f7/0x20b [ 1077.970675] [] ? rescuer_thread+0x91f/0x91f [ 1077.970681] [] ? init_completion+0x48/0x48 [ 1077.970689] [] ret_from_fork+0x1f/0x40 [ 1077.970694] [] ? init_completion+0x48/0x48 [ 1077.970698] ================================================================================ [ 1077.970724] ================================================================================ [ 1077.970728] UBSAN: Undefined behaviour in kernel/irq/chip.c:650:7 [ 1077.970732] member access within misaligned address ffff88005d139418 for type 'struct irq_desc' [ 1077.970734] which requires 64 byte alignment [ 1077.970740] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.970744] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.970755] Workqueue: events_unbound async_run_entry_fn [ 1077.970763] 00000000ffffffff 0000000019b55218 ffff88005d407cc0 ffffffffb26ec5cc [ 1077.970769] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.970776] ffffffff00000010 ffff88005d407ce8 ffff88005d407c98 ffffffffb363c3e0 [ 1077.970777] Call Trace: [ 1077.970785] [] dump_stack+0xd7/0x132 [ 1077.970792] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.970798] [] ubsan_epilogue+0x12/0x53 [ 1077.970805] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.970852] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.970860] [] ? native_apic_msr_write+0x29/0x2b [ 1077.970867] [] ? kvm_guest_apic_eoi_write+0x64/0x67 [ 1077.970872] [] ? apic_eoi+0x4a/0x4d [ 1077.970879] [] handle_edge_irq+0x211/0x341 [ 1077.970886] [] handle_irq+0x3f/0x47 [ 1077.970891] [] do_IRQ+0x8a/0x110 [ 1077.970898] [] common_interrupt+0x82/0x82 [ 1077.970904] [] ? __do_softirq+0x8c/0x59e [ 1077.970911] [] ? arch_local_irq_enable+0xb/0xd [ 1077.970917] [] __do_softirq+0x103/0x59e [ 1077.970924] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.970930] [] irq_exit+0x65/0xd6 [ 1077.970936] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.970942] [] apic_timer_interrupt+0x82/0x90 [ 1077.970951] [] ? arch_local_irq_restore+0x6/0xd [ 1077.970956] [] __slab_alloc+0x50/0x5b [ 1077.970962] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.970968] [] kmem_cache_alloc+0xf1/0x33f [ 1077.970973] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.970979] [] __kernfs_new_node+0xbe/0x23d [ 1077.970985] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.970990] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.970996] [] kernfs_new_node+0x3b/0x80 [ 1077.971002] [] __kernfs_create_file+0x52/0x1e6 [ 1077.971009] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.971016] [] internal_create_group+0x5ab/0x8f8 [ 1077.971022] [] sysfs_create_group+0x25/0x29 [ 1077.971029] [] sysfs_create_groups+0xae/0x137 [ 1077.971035] [] device_add+0xa68/0x127e [ 1077.971041] [] ? device_private_init+0x221/0x221 [ 1077.971047] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.971053] [] ? blk_register_region+0x50/0x5e [ 1077.971059] [] device_add_disk+0x6a1/0xb6c [ 1077.971065] [] ? blk_alloc_devt+0x245/0x245 [ 1077.971071] [] ? rpm_idle+0x42b/0x43a [ 1077.971077] [] ? queued_spin_unlock+0xe/0x1b [ 1077.971083] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.971089] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.971096] [] sd_probe_async+0x514/0x6ce [ 1077.971104] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.971111] [] async_run_entry_fn+0x178/0x477 [ 1077.971117] [] ? set_work_data+0x112/0x14a [ 1077.971125] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.971130] [] ? get_work_pwq+0x58/0x58 [ 1077.971137] [] process_one_work+0x54a/0x88e [ 1077.971144] [] ? create_worker+0x528/0x528 [ 1077.971151] [] ? worker_clr_flags+0x187/0x193 [ 1077.971157] [] worker_thread+0x67c/0x857 [ 1077.971163] [] kthread+0x1f7/0x20b [ 1077.971170] [] ? rescuer_thread+0x91f/0x91f [ 1077.971175] [] ? init_completion+0x48/0x48 [ 1077.971183] [] ret_from_fork+0x1f/0x40 [ 1077.971189] [] ? init_completion+0x48/0x48 [ 1077.971191] ================================================================================ [ 1077.971193] ================================================================================ [ 1077.971197] UBSAN: Undefined behaviour in kernel/irq/chip.c:660:7 [ 1077.971201] member access within misaligned address ffff88005d139418 for type 'struct irq_desc' [ 1077.971202] which requires 64 byte alignment [ 1077.971207] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.971210] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.971219] Workqueue: events_unbound async_run_entry_fn [ 1077.971226] 00000000ffffffff 0000000019b55218 ffff88005d407cc0 ffffffffb26ec5cc [ 1077.971232] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.971239] ffffffff00000010 ffff88005d407ce8 ffff88005d407c98 ffffffffb363c3e0 [ 1077.971240] Call Trace: [ 1077.971247] [] dump_stack+0xd7/0x132 [ 1077.971253] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.971260] [] ubsan_epilogue+0x12/0x53 [ 1077.971266] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.971273] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.971280] [] ? native_apic_msr_write+0x29/0x2b [ 1077.971286] [] ? kvm_guest_apic_eoi_write+0x64/0x67 [ 1077.971291] [] ? apic_eoi+0x4a/0x4d [ 1077.971298] [] handle_edge_irq+0x254/0x341 [ 1077.971304] [] handle_irq+0x3f/0x47 [ 1077.971310] [] do_IRQ+0x8a/0x110 [ 1077.971317] [] common_interrupt+0x82/0x82 [ 1077.971323] [] ? __do_softirq+0x8c/0x59e [ 1077.971329] [] ? arch_local_irq_enable+0xb/0xd [ 1077.971335] [] __do_softirq+0x103/0x59e [ 1077.971342] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.971348] [] irq_exit+0x65/0xd6 [ 1077.971354] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.971360] [] apic_timer_interrupt+0x82/0x90 [ 1077.971369] [] ? arch_local_irq_restore+0x6/0xd [ 1077.971374] [] __slab_alloc+0x50/0x5b [ 1077.971380] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.971385] [] kmem_cache_alloc+0xf1/0x33f [ 1077.971391] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.971396] [] __kernfs_new_node+0xbe/0x23d [ 1077.971402] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.971408] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.971414] [] kernfs_new_node+0x3b/0x80 [ 1077.971420] [] __kernfs_create_file+0x52/0x1e6 [ 1077.971426] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.971433] [] internal_create_group+0x5ab/0x8f8 [ 1077.971440] [] sysfs_create_group+0x25/0x29 [ 1077.971446] [] sysfs_create_groups+0xae/0x137 [ 1077.971452] [] device_add+0xa68/0x127e [ 1077.971459] [] ? device_private_init+0x221/0x221 [ 1077.971465] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.971470] [] ? blk_register_region+0x50/0x5e [ 1077.971476] [] device_add_disk+0x6a1/0xb6c [ 1077.971483] [] ? blk_alloc_devt+0x245/0x245 [ 1077.971488] [] ? rpm_idle+0x42b/0x43a [ 1077.971494] [] ? queued_spin_unlock+0xe/0x1b [ 1077.971500] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.971506] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.971513] [] sd_probe_async+0x514/0x6ce [ 1077.971521] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.971528] [] async_run_entry_fn+0x178/0x477 [ 1077.971534] [] ? set_work_data+0x112/0x14a [ 1077.971541] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.971547] [] ? get_work_pwq+0x58/0x58 [ 1077.971554] [] process_one_work+0x54a/0x88e [ 1077.971561] [] ? create_worker+0x528/0x528 [ 1077.971567] [] ? worker_clr_flags+0x187/0x193 [ 1077.971574] [] worker_thread+0x67c/0x857 [ 1077.971580] [] kthread+0x1f7/0x20b [ 1077.971586] [] ? rescuer_thread+0x91f/0x91f [ 1077.971592] [] ? init_completion+0x48/0x48 [ 1077.971600] [] ret_from_fork+0x1f/0x40 [ 1077.971605] [] ? init_completion+0x48/0x48 [ 1077.971608] ================================================================================ [ 1077.971610] ================================================================================ [ 1077.971614] UBSAN: Undefined behaviour in kernel/irq/handle.c:198:15 [ 1077.971623] member access within misaligned address ffff88005d139418 for type 'struct irq_desc' [ 1077.971625] which requires 64 byte alignment [ 1077.971629] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.971633] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.971641] Workqueue: events_unbound async_run_entry_fn [ 1077.971648] 00000000ffffffff 0000000019b55218 ffff88005d407c88 ffffffffb26ec5cc [ 1077.971654] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.971660] 0000000000000010 ffff88005d407cb0 ffff88005d407c60 ffffffffb363c3e0 [ 1077.971661] Call Trace: [ 1077.971668] [] dump_stack+0xd7/0x132 [ 1077.971675] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.971681] [] ubsan_epilogue+0x12/0x53 [ 1077.971688] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.971694] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.971701] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1077.971708] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.971715] [] ? native_apic_msr_write+0x29/0x2b [ 1077.971721] [] handle_irq_event+0x33/0x185 [ 1077.971728] [] handle_edge_irq+0x2e7/0x341 [ 1077.971734] [] handle_irq+0x3f/0x47 [ 1077.971739] [] do_IRQ+0x8a/0x110 [ 1077.971746] [] common_interrupt+0x82/0x82 [ 1077.971752] [] ? __do_softirq+0x8c/0x59e [ 1077.971759] [] ? arch_local_irq_enable+0xb/0xd [ 1077.971765] [] __do_softirq+0x103/0x59e [ 1077.971771] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.971778] [] irq_exit+0x65/0xd6 [ 1077.971784] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.971790] [] apic_timer_interrupt+0x82/0x90 [ 1077.971798] [] ? arch_local_irq_restore+0x6/0xd [ 1077.971804] [] __slab_alloc+0x50/0x5b [ 1077.971809] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.971815] [] kmem_cache_alloc+0xf1/0x33f [ 1077.971820] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.971826] [] __kernfs_new_node+0xbe/0x23d [ 1077.971832] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.971837] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.971843] [] kernfs_new_node+0x3b/0x80 [ 1077.971849] [] __kernfs_create_file+0x52/0x1e6 [ 1077.971856] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.971863] [] internal_create_group+0x5ab/0x8f8 [ 1077.971869] [] sysfs_create_group+0x25/0x29 [ 1077.971876] [] sysfs_create_groups+0xae/0x137 [ 1077.971882] [] device_add+0xa68/0x127e [ 1077.971888] [] ? device_private_init+0x221/0x221 [ 1077.971894] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.971900] [] ? blk_register_region+0x50/0x5e [ 1077.971906] [] device_add_disk+0x6a1/0xb6c [ 1077.971912] [] ? blk_alloc_devt+0x245/0x245 [ 1077.971918] [] ? rpm_idle+0x42b/0x43a [ 1077.971924] [] ? queued_spin_unlock+0xe/0x1b [ 1077.971930] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.971936] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.971943] [] sd_probe_async+0x514/0x6ce [ 1077.971951] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.971958] [] async_run_entry_fn+0x178/0x477 [ 1077.971964] [] ? set_work_data+0x112/0x14a [ 1077.971971] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.971977] [] ? get_work_pwq+0x58/0x58 [ 1077.971984] [] process_one_work+0x54a/0x88e [ 1077.971991] [] ? create_worker+0x528/0x528 [ 1077.971997] [] ? worker_clr_flags+0x187/0x193 [ 1077.972004] [] worker_thread+0x67c/0x857 [ 1077.972010] [] kthread+0x1f7/0x20b [ 1077.972016] [] ? rescuer_thread+0x91f/0x91f [ 1077.972022] [] ? init_completion+0x48/0x48 [ 1077.972030] [] ret_from_fork+0x1f/0x40 [ 1077.972035] [] ? init_completion+0x48/0x48 [ 1077.972038] ================================================================================ [ 1077.972040] ================================================================================ [ 1077.972043] UBSAN: Undefined behaviour in kernel/irq/handle.c:198:15 [ 1077.972047] member access within misaligned address ffff88005d139418 for type 'struct irq_desc' [ 1077.972048] which requires 64 byte alignment [ 1077.972053] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.972056] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.972064] Workqueue: events_unbound async_run_entry_fn [ 1077.972071] 00000000ffffffff 0000000019b55218 ffff88005d407c88 ffffffffb26ec5cc [ 1077.972077] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.972083] 0000000000000010 ffff88005d407cb0 ffff88005d407c60 ffffffffb363c3e0 [ 1077.972084] Call Trace: [ 1077.972091] [] dump_stack+0xd7/0x132 [ 1077.972098] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.972104] [] ubsan_epilogue+0x12/0x53 [ 1077.972111] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.973927] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.973943] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1077.973972] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.973985] [] ? native_apic_msr_write+0x29/0x2b [ 1077.973995] [] handle_irq_event+0x66/0x185 [ 1077.974009] [] handle_edge_irq+0x2e7/0x341 [ 1077.974019] [] handle_irq+0x3f/0x47 [ 1077.974029] [] do_IRQ+0x8a/0x110 [ 1077.974042] [] common_interrupt+0x82/0x82 [ 1077.974052] [] ? __do_softirq+0x8c/0x59e [ 1077.974064] [] ? arch_local_irq_enable+0xb/0xd [ 1077.974075] [] __do_softirq+0x103/0x59e [ 1077.974087] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.974097] [] irq_exit+0x65/0xd6 [ 1077.974107] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.974117] [] apic_timer_interrupt+0x82/0x90 [ 1077.974133] [] ? arch_local_irq_restore+0x6/0xd [ 1077.974142] [] __slab_alloc+0x50/0x5b [ 1077.974152] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.974162] [] kmem_cache_alloc+0xf1/0x33f [ 1077.974171] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.974181] [] __kernfs_new_node+0xbe/0x23d [ 1077.974191] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.974199] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.974209] [] kernfs_new_node+0x3b/0x80 [ 1077.974217] [] __kernfs_create_file+0x52/0x1e6 [ 1077.974224] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.974231] [] internal_create_group+0x5ab/0x8f8 [ 1077.974237] [] sysfs_create_group+0x25/0x29 [ 1077.974244] [] sysfs_create_groups+0xae/0x137 [ 1077.974251] [] device_add+0xa68/0x127e [ 1077.974257] [] ? device_private_init+0x221/0x221 [ 1077.974263] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.974269] [] ? blk_register_region+0x50/0x5e [ 1077.974276] [] device_add_disk+0x6a1/0xb6c [ 1077.974286] [] ? blk_alloc_devt+0x245/0x245 [ 1077.974295] [] ? rpm_idle+0x42b/0x43a [ 1077.974306] [] ? queued_spin_unlock+0xe/0x1b [ 1077.974331] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.974356] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.974392] [] sd_probe_async+0x514/0x6ce [ 1077.974416] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.974458] [] async_run_entry_fn+0x178/0x477 [ 1077.974490] [] ? set_work_data+0x112/0x14a [ 1077.974502] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.974508] [] ? get_work_pwq+0x58/0x58 [ 1077.974515] [] process_one_work+0x54a/0x88e [ 1077.974522] [] ? create_worker+0x528/0x528 [ 1077.974528] [] ? worker_clr_flags+0x187/0x193 [ 1077.974535] [] worker_thread+0x67c/0x857 [ 1077.974541] [] kthread+0x1f7/0x20b [ 1077.974547] [] ? rescuer_thread+0x91f/0x91f [ 1077.974553] [] ? init_completion+0x48/0x48 [ 1077.974561] [] ret_from_fork+0x1f/0x40 [ 1077.974567] [] ? init_completion+0x48/0x48 [ 1077.974570] ================================================================================ [ 1077.974573] ================================================================================ [ 1077.974577] UBSAN: Undefined behaviour in kernel/irq/handle.c:138:15 [ 1077.974581] member access within misaligned address ffff88005d139418 for type 'struct irq_desc' [ 1077.974583] which requires 64 byte alignment [ 1077.974588] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.974591] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.974602] Workqueue: events_unbound async_run_entry_fn [ 1077.974610] 00000000ffffffff 0000000019b55218 ffff88005d407ba8 ffffffffb26ec5cc [ 1077.974617] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.974623] ffff880000000010 ffff88005d407bd0 ffff88005d407b80 ffffffffb363c3e0 [ 1077.974624] Call Trace: [ 1077.974632] [] dump_stack+0xd7/0x132 [ 1077.974638] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.974644] [] ubsan_epilogue+0x12/0x53 [ 1077.974651] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.974658] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.974665] [] __handle_irq_event_percpu+0x3b/0x4d7 [ 1077.974671] [] handle_irq_event_percpu+0x78/0x130 [ 1077.974677] [] ? __handle_irq_event_percpu+0x4d7/0x4d7 [ 1077.974684] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.974691] [] ? native_apic_msr_write+0x29/0x2b [ 1077.974697] [] handle_irq_event+0xff/0x185 [ 1077.974704] [] handle_edge_irq+0x2e7/0x341 [ 1077.974711] [] handle_irq+0x3f/0x47 [ 1077.974716] [] do_IRQ+0x8a/0x110 [ 1077.974723] [] common_interrupt+0x82/0x82 [ 1077.974729] [] ? __do_softirq+0x8c/0x59e [ 1077.974736] [] ? arch_local_irq_enable+0xb/0xd [ 1077.974742] [] __do_softirq+0x103/0x59e [ 1077.974748] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.974755] [] irq_exit+0x65/0xd6 [ 1077.974761] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.974767] [] apic_timer_interrupt+0x82/0x90 [ 1077.974775] [] ? arch_local_irq_restore+0x6/0xd [ 1077.974781] [] __slab_alloc+0x50/0x5b [ 1077.974786] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.974795] [] kmem_cache_alloc+0xf1/0x33f [ 1077.974804] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.974868] [] __kernfs_new_node+0xbe/0x23d [ 1077.974875] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.974880] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.974886] [] kernfs_new_node+0x3b/0x80 [ 1077.974892] [] __kernfs_create_file+0x52/0x1e6 [ 1077.974899] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.974906] [] internal_create_group+0x5ab/0x8f8 [ 1077.974912] [] sysfs_create_group+0x25/0x29 [ 1077.974920] [] sysfs_create_groups+0xae/0x137 [ 1077.974930] [] device_add+0xa68/0x127e [ 1077.974942] [] ? device_private_init+0x221/0x221 [ 1077.974953] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.974964] [] ? blk_register_region+0x50/0x5e [ 1077.974975] [] device_add_disk+0x6a1/0xb6c [ 1077.974986] [] ? blk_alloc_devt+0x245/0x245 [ 1077.974995] [] ? rpm_idle+0x42b/0x43a [ 1077.975002] [] ? queued_spin_unlock+0xe/0x1b [ 1077.975008] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.975015] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.975022] [] sd_probe_async+0x514/0x6ce [ 1077.975030] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.975037] [] async_run_entry_fn+0x178/0x477 [ 1077.975043] [] ? set_work_data+0x112/0x14a [ 1077.975050] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.975056] [] ? get_work_pwq+0x58/0x58 [ 1077.975063] [] process_one_work+0x54a/0x88e [ 1077.975070] [] ? create_worker+0x528/0x528 [ 1077.975077] [] ? worker_clr_flags+0x187/0x193 [ 1077.975083] [] worker_thread+0x67c/0x857 [ 1077.975089] [] kthread+0x1f7/0x20b [ 1077.975096] [] ? rescuer_thread+0x91f/0x91f [ 1077.975101] [] ? init_completion+0x48/0x48 [ 1077.975109] [] ret_from_fork+0x1f/0x40 [ 1077.975115] [] ? init_completion+0x48/0x48 [ 1077.975117] ================================================================================ [ 1077.975120] ================================================================================ [ 1077.975123] UBSAN: Undefined behaviour in kernel/irq/handle.c:141:2 [ 1077.975127] member access within misaligned address ffff88005d139418 for type 'struct irq_desc' [ 1077.975129] which requires 64 byte alignment [ 1077.975133] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.975137] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.975145] Workqueue: events_unbound async_run_entry_fn [ 1077.975153] 00000000ffffffff 0000000019b55218 ffff88005d407ba8 ffffffffb26ec5cc [ 1077.975159] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.975166] ffff880000000010 ffff88005d407bd0 ffff88005d407b80 ffffffffb363c3e0 [ 1077.975167] Call Trace: [ 1077.975174] [] dump_stack+0xd7/0x132 [ 1077.975181] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.975187] [] ubsan_epilogue+0x12/0x53 [ 1077.975193] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.975200] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.975207] [] __handle_irq_event_percpu+0x65/0x4d7 [ 1077.975213] [] handle_irq_event_percpu+0x78/0x130 [ 1077.975224] [] ? __handle_irq_event_percpu+0x4d7/0x4d7 [ 1077.975236] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.975263] [] ? native_apic_msr_write+0x29/0x2b [ 1077.975286] [] handle_irq_event+0xff/0x185 [ 1077.975297] [] handle_edge_irq+0x2e7/0x341 [ 1077.975306] [] handle_irq+0x3f/0x47 [ 1077.975315] [] do_IRQ+0x8a/0x110 [ 1077.975340] [] common_interrupt+0x82/0x82 [ 1077.975351] [] ? __do_softirq+0x8c/0x59e [ 1077.975362] [] ? arch_local_irq_enable+0xb/0xd [ 1077.975368] [] __do_softirq+0x103/0x59e [ 1077.975375] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.975381] [] irq_exit+0x65/0xd6 [ 1077.975392] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.975403] [] apic_timer_interrupt+0x82/0x90 [ 1077.975417] [] ? arch_local_irq_restore+0x6/0xd [ 1077.975422] [] __slab_alloc+0x50/0x5b [ 1077.975428] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.975434] [] kmem_cache_alloc+0xf1/0x33f [ 1077.975440] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.975462] [] __kernfs_new_node+0xbe/0x23d [ 1077.975473] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.975494] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.975515] [] kernfs_new_node+0x3b/0x80 [ 1077.975522] [] __kernfs_create_file+0x52/0x1e6 [ 1077.975529] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.975535] [] internal_create_group+0x5ab/0x8f8 [ 1077.975542] [] sysfs_create_group+0x25/0x29 [ 1077.975548] [] sysfs_create_groups+0xae/0x137 [ 1077.975555] [] device_add+0xa68/0x127e [ 1077.975561] [] ? device_private_init+0x221/0x221 [ 1077.975567] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.975573] [] ? blk_register_region+0x50/0x5e [ 1077.975579] [] device_add_disk+0x6a1/0xb6c [ 1077.975585] [] ? blk_alloc_devt+0x245/0x245 [ 1077.975591] [] ? rpm_idle+0x42b/0x43a [ 1077.975599] [] ? queued_spin_unlock+0xe/0x1b [ 1077.975607] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.975617] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.975624] [] sd_probe_async+0x514/0x6ce [ 1077.975632] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.975643] [] async_run_entry_fn+0x178/0x477 [ 1077.975651] [] ? set_work_data+0x112/0x14a [ 1077.975661] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.975669] [] ? get_work_pwq+0x58/0x58 [ 1077.975679] [] process_one_work+0x54a/0x88e [ 1077.975688] [] ? create_worker+0x528/0x528 [ 1077.975697] [] ? worker_clr_flags+0x187/0x193 [ 1077.975706] [] worker_thread+0x67c/0x857 [ 1077.975714] [] kthread+0x1f7/0x20b [ 1077.975723] [] ? rescuer_thread+0x91f/0x91f [ 1077.975731] [] ? init_completion+0x48/0x48 [ 1077.975742] [] ret_from_fork+0x1f/0x40 [ 1077.975749] [] ? init_completion+0x48/0x48 [ 1077.975753] ================================================================================ [ 1077.975756] ================================================================================ [ 1077.975761] UBSAN: Undefined behaviour in kernel/irq/handle.c:145:15 [ 1077.975765] member access within misaligned address ffff88005b5fe3b8 for type 'struct irqaction' [ 1077.975767] which requires 64 byte alignment [ 1077.975773] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.975777] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.975789] Workqueue: events_unbound async_run_entry_fn [ 1077.975798] 00000000ffffffff 0000000019b55218 ffff88005d407ba8 ffffffffb26ec5cc [ 1077.975806] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.975815] ffff880000000010 ffff88005d407bd0 ffff88005d407b80 ffffffffb363c3e0 [ 1077.975816] Call Trace: [ 1077.975826] [] dump_stack+0xd7/0x132 [ 1077.975835] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.975843] [] ubsan_epilogue+0x12/0x53 [ 1077.975851] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.975860] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.975869] [] __handle_irq_event_percpu+0x11e/0x4d7 [ 1077.975877] [] handle_irq_event_percpu+0x78/0x130 [ 1077.975886] [] ? __handle_irq_event_percpu+0x4d7/0x4d7 [ 1077.975894] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.975904] [] ? native_apic_msr_write+0x29/0x2b [ 1077.975912] [] handle_irq_event+0xff/0x185 [ 1077.975921] [] handle_edge_irq+0x2e7/0x341 [ 1077.975929] [] handle_irq+0x3f/0x47 [ 1077.975937] [] do_IRQ+0x8a/0x110 [ 1077.975946] [] common_interrupt+0x82/0x82 [ 1077.975954] [] ? __do_softirq+0x8c/0x59e [ 1077.975962] [] ? arch_local_irq_enable+0xb/0xd [ 1077.975970] [] __do_softirq+0x103/0x59e [ 1077.975993] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.976003] [] irq_exit+0x65/0xd6 [ 1077.976033] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.976043] [] apic_timer_interrupt+0x82/0x90 [ 1077.976056] [] ? arch_local_irq_restore+0x6/0xd [ 1077.976061] [] __slab_alloc+0x50/0x5b [ 1077.976067] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.976072] [] kmem_cache_alloc+0xf1/0x33f [ 1077.976078] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.976083] [] __kernfs_new_node+0xbe/0x23d [ 1077.976089] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.976095] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.976101] [] kernfs_new_node+0x3b/0x80 [ 1077.976107] [] __kernfs_create_file+0x52/0x1e6 [ 1077.976113] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.976120] [] internal_create_group+0x5ab/0x8f8 [ 1077.976127] [] sysfs_create_group+0x25/0x29 [ 1077.976133] [] sysfs_create_groups+0xae/0x137 [ 1077.976139] [] device_add+0xa68/0x127e [ 1077.976146] [] ? device_private_init+0x221/0x221 [ 1077.976152] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.976157] [] ? blk_register_region+0x50/0x5e [ 1077.976164] [] device_add_disk+0x6a1/0xb6c [ 1077.976170] [] ? blk_alloc_devt+0x245/0x245 [ 1077.976175] [] ? rpm_idle+0x42b/0x43a [ 1077.976181] [] ? queued_spin_unlock+0xe/0x1b [ 1077.976187] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.976194] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.976201] [] sd_probe_async+0x514/0x6ce [ 1077.976208] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.976216] [] async_run_entry_fn+0x178/0x477 [ 1077.976222] [] ? set_work_data+0x112/0x14a [ 1077.976229] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.976235] [] ? get_work_pwq+0x58/0x58 [ 1077.976242] [] process_one_work+0x54a/0x88e [ 1077.976249] [] ? create_worker+0x528/0x528 [ 1077.976255] [] ? worker_clr_flags+0x187/0x193 [ 1077.976262] [] worker_thread+0x67c/0x857 [ 1077.976268] [] kthread+0x1f7/0x20b [ 1077.976274] [] ? rescuer_thread+0x91f/0x91f [ 1077.976280] [] ? init_completion+0x48/0x48 [ 1077.976287] [] ret_from_fork+0x1f/0x40 [ 1077.976293] [] ? init_completion+0x48/0x48 [ 1077.976296] ================================================================================ [ 1077.976298] ================================================================================ [ 1077.976302] UBSAN: Undefined behaviour in kernel/irq/handle.c:145:9 [ 1077.976305] member access within misaligned address ffff88005b5fe3b8 for type 'struct irqaction' [ 1077.976307] which requires 64 byte alignment [ 1077.976312] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.976315] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.976324] Workqueue: events_unbound async_run_entry_fn [ 1077.976331] 00000000ffffffff 0000000019b55218 ffff88005d407ba8 ffffffffb26ec5cc [ 1077.976337] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.976344] ffff880000000010 ffff88005d407bd0 ffff88005d407b80 ffffffffb363c3e0 [ 1077.976345] Call Trace: [ 1077.976352] [] dump_stack+0xd7/0x132 [ 1077.976358] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.976364] [] ubsan_epilogue+0x12/0x53 [ 1077.976371] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.976378] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.976385] [] ? ata_sff_interrupt+0x24/0x24 [ 1077.976392] [] __handle_irq_event_percpu+0x142/0x4d7 [ 1077.976398] [] handle_irq_event_percpu+0x78/0x130 [ 1077.976404] [] ? __handle_irq_event_percpu+0x4d7/0x4d7 [ 1077.976411] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.976419] [] ? native_apic_msr_write+0x29/0x2b [ 1077.976425] [] handle_irq_event+0xff/0x185 [ 1077.976431] [] handle_edge_irq+0x2e7/0x341 [ 1077.976437] [] handle_irq+0x3f/0x47 [ 1077.976443] [] do_IRQ+0x8a/0x110 [ 1077.976450] [] common_interrupt+0x82/0x82 [ 1077.976456] [] ? __do_softirq+0x8c/0x59e [ 1077.976462] [] ? arch_local_irq_enable+0xb/0xd [ 1077.976468] [] __do_softirq+0x103/0x59e [ 1077.976475] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.976481] [] irq_exit+0x65/0xd6 [ 1077.976487] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.976493] [] apic_timer_interrupt+0x82/0x90 [ 1077.976501] [] ? arch_local_irq_restore+0x6/0xd [ 1077.976507] [] __slab_alloc+0x50/0x5b [ 1077.976512] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.976518] [] kmem_cache_alloc+0xf1/0x33f [ 1077.976523] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.976529] [] __kernfs_new_node+0xbe/0x23d [ 1077.976535] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.976541] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.976546] [] kernfs_new_node+0x3b/0x80 [ 1077.976552] [] __kernfs_create_file+0x52/0x1e6 [ 1077.976559] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.976566] [] internal_create_group+0x5ab/0x8f8 [ 1077.976572] [] sysfs_create_group+0x25/0x29 [ 1077.976579] [] sysfs_create_groups+0xae/0x137 [ 1077.976585] [] device_add+0xa68/0x127e [ 1077.976591] [] ? device_private_init+0x221/0x221 [ 1077.976597] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.976603] [] ? blk_register_region+0x50/0x5e [ 1077.976609] [] device_add_disk+0x6a1/0xb6c [ 1077.976615] [] ? blk_alloc_devt+0x245/0x245 [ 1077.976621] [] ? rpm_idle+0x42b/0x43a [ 1077.976626] [] ? queued_spin_unlock+0xe/0x1b [ 1077.976632] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.976639] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.976646] [] sd_probe_async+0x514/0x6ce [ 1077.976653] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.976660] [] async_run_entry_fn+0x178/0x477 [ 1077.976667] [] ? set_work_data+0x112/0x14a [ 1077.976674] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.976680] [] ? get_work_pwq+0x58/0x58 [ 1077.976687] [] process_one_work+0x54a/0x88e [ 1077.976693] [] ? create_worker+0x528/0x528 [ 1077.976700] [] ? worker_clr_flags+0x187/0x193 [ 1077.976707] [] worker_thread+0x67c/0x857 [ 1077.976712] [] kthread+0x1f7/0x20b [ 1077.976719] [] ? rescuer_thread+0x91f/0x91f [ 1077.976724] [] ? init_completion+0x48/0x48 [ 1077.976732] [] ret_from_fork+0x1f/0x40 [ 1077.976738] [] ? init_completion+0x48/0x48 [ 1077.976740] ================================================================================ [ 1077.977250] ================================================================================ [ 1077.977255] UBSAN: Undefined behaviour in kernel/irq/handle.c:167:20 [ 1077.977258] member access within misaligned address ffff88005b5fe3b8 for type 'struct irqaction' [ 1077.977260] which requires 64 byte alignment [ 1077.977265] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.977268] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.977278] Workqueue: events_unbound async_run_entry_fn [ 1077.977286] 00000000ffffffff 0000000019b55218 ffff88005d407ba8 ffffffffb26ec5cc [ 1077.977293] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.977299] ffff880000000010 ffff88005d407bd0 ffff88005d407b80 ffffffffb363c3e0 [ 1077.977300] Call Trace: [ 1077.977308] [] dump_stack+0xd7/0x132 [ 1077.977315] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.977321] [] ubsan_epilogue+0x12/0x53 [ 1077.977328] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.977334] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.977342] [] ? ata_sff_interrupt+0x24/0x24 [ 1077.977348] [] __handle_irq_event_percpu+0x343/0x4d7 [ 1077.977355] [] handle_irq_event_percpu+0x78/0x130 [ 1077.977361] [] ? __handle_irq_event_percpu+0x4d7/0x4d7 [ 1077.977368] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.977375] [] ? native_apic_msr_write+0x29/0x2b [ 1077.977381] [] handle_irq_event+0xff/0x185 [ 1077.977388] [] handle_edge_irq+0x2e7/0x341 [ 1077.977394] [] handle_irq+0x3f/0x47 [ 1077.977399] [] do_IRQ+0x8a/0x110 [ 1077.977406] [] common_interrupt+0x82/0x82 [ 1077.977412] [] ? __do_softirq+0x8c/0x59e [ 1077.977419] [] ? arch_local_irq_enable+0xb/0xd [ 1077.977425] [] __do_softirq+0x103/0x59e [ 1077.977432] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.977438] [] irq_exit+0x65/0xd6 [ 1077.977444] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.977450] [] apic_timer_interrupt+0x82/0x90 [ 1077.977459] [] ? arch_local_irq_restore+0x6/0xd [ 1077.977464] [] __slab_alloc+0x50/0x5b [ 1077.977470] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.977476] [] kmem_cache_alloc+0xf1/0x33f [ 1077.977481] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.977487] [] __kernfs_new_node+0xbe/0x23d [ 1077.977492] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.977498] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.977504] [] kernfs_new_node+0x3b/0x80 [ 1077.977510] [] __kernfs_create_file+0x52/0x1e6 [ 1077.977517] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.977523] [] internal_create_group+0x5ab/0x8f8 [ 1077.977530] [] sysfs_create_group+0x25/0x29 [ 1077.977536] [] sysfs_create_groups+0xae/0x137 [ 1077.977543] [] device_add+0xa68/0x127e [ 1077.977549] [] ? device_private_init+0x221/0x221 [ 1077.977555] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.977561] [] ? blk_register_region+0x50/0x5e [ 1077.977567] [] device_add_disk+0x6a1/0xb6c [ 1077.977573] [] ? blk_alloc_devt+0x245/0x245 [ 1077.977578] [] ? rpm_idle+0x42b/0x43a [ 1077.977584] [] ? queued_spin_unlock+0xe/0x1b [ 1077.977590] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.977597] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.977604] [] sd_probe_async+0x514/0x6ce [ 1077.977611] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.977618] [] async_run_entry_fn+0x178/0x477 [ 1077.977625] [] ? set_work_data+0x112/0x14a [ 1077.977632] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.977638] [] ? get_work_pwq+0x58/0x58 [ 1077.977645] [] process_one_work+0x54a/0x88e [ 1077.977652] [] ? create_worker+0x528/0x528 [ 1077.977658] [] ? worker_clr_flags+0x187/0x193 [ 1077.977665] [] worker_thread+0x67c/0x857 [ 1077.977671] [] kthread+0x1f7/0x20b [ 1077.977677] [] ? rescuer_thread+0x91f/0x91f [ 1077.977683] [] ? init_completion+0x48/0x48 [ 1077.977690] [] ret_from_fork+0x1f/0x40 [ 1077.977696] [] ? init_completion+0x48/0x48 [ 1077.977699] ================================================================================ [ 1077.977701] ================================================================================ [ 1077.977704] UBSAN: Undefined behaviour in kernel/irq/handle.c:141:2 [ 1077.977708] member access within misaligned address ffff88005b5fe3b8 for type 'struct irqaction' [ 1077.977709] which requires 64 byte alignment [ 1077.977714] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.977717] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.977725] Workqueue: events_unbound async_run_entry_fn [ 1077.977732] 00000000ffffffff 0000000019b55218 ffff88005d407ba8 ffffffffb26ec5cc [ 1077.977738] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.977745] ffff880000000010 ffff88005d407bd0 ffff88005d407b80 ffffffffb363c3e0 [ 1077.977745] Call Trace: [ 1077.977753] [] dump_stack+0xd7/0x132 [ 1077.977759] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.977765] [] ubsan_epilogue+0x12/0x53 [ 1077.977772] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.977779] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.982299] [] ? ata_sff_interrupt+0x24/0x24 [ 1077.982312] [] __handle_irq_event_percpu+0x390/0x4d7 [ 1077.982319] [] handle_irq_event_percpu+0x78/0x130 [ 1077.982326] [] ? __handle_irq_event_percpu+0x4d7/0x4d7 [ 1077.982334] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.982342] [] ? native_apic_msr_write+0x29/0x2b [ 1077.982348] [] handle_irq_event+0xff/0x185 [ 1077.982356] [] handle_edge_irq+0x2e7/0x341 [ 1077.982362] [] handle_irq+0x3f/0x47 [ 1077.982369] [] do_IRQ+0x8a/0x110 [ 1077.982376] [] common_interrupt+0x82/0x82 [ 1077.982382] [] ? __do_softirq+0x8c/0x59e [ 1077.982390] [] ? arch_local_irq_enable+0xb/0xd [ 1077.982395] [] __do_softirq+0x103/0x59e [ 1077.982403] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.982409] [] irq_exit+0x65/0xd6 [ 1077.982415] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.982421] [] apic_timer_interrupt+0x82/0x90 [ 1077.982431] [] ? arch_local_irq_restore+0x6/0xd [ 1077.982437] [] __slab_alloc+0x50/0x5b [ 1077.982443] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.982448] [] kmem_cache_alloc+0xf1/0x33f [ 1077.982454] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.982460] [] __kernfs_new_node+0xbe/0x23d [ 1077.982465] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.982471] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.982477] [] kernfs_new_node+0x3b/0x80 [ 1077.982483] [] __kernfs_create_file+0x52/0x1e6 [ 1077.982490] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.982497] [] internal_create_group+0x5ab/0x8f8 [ 1077.982504] [] sysfs_create_group+0x25/0x29 [ 1077.982511] [] sysfs_create_groups+0xae/0x137 [ 1077.982518] [] device_add+0xa68/0x127e [ 1077.982525] [] ? device_private_init+0x221/0x221 [ 1077.982531] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.982537] [] ? blk_register_region+0x50/0x5e [ 1077.982543] [] device_add_disk+0x6a1/0xb6c [ 1077.982549] [] ? blk_alloc_devt+0x245/0x245 [ 1077.982555] [] ? rpm_idle+0x42b/0x43a [ 1077.982561] [] ? queued_spin_unlock+0xe/0x1b [ 1077.982567] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.982574] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.982582] [] sd_probe_async+0x514/0x6ce [ 1077.982589] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.982597] [] async_run_entry_fn+0x178/0x477 [ 1077.982604] [] ? set_work_data+0x112/0x14a [ 1077.982611] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.982617] [] ? get_work_pwq+0x58/0x58 [ 1077.982624] [] process_one_work+0x54a/0x88e [ 1077.982631] [] ? create_worker+0x528/0x528 [ 1077.982637] [] ? worker_clr_flags+0x187/0x193 [ 1077.982644] [] worker_thread+0x67c/0x857 [ 1077.982650] [] kthread+0x1f7/0x20b [ 1077.982656] [] ? rescuer_thread+0x91f/0x91f [ 1077.982662] [] ? init_completion+0x48/0x48 [ 1077.982670] [] ret_from_fork+0x1f/0x40 [ 1077.982675] [] ? init_completion+0x48/0x48 [ 1077.982679] ================================================================================ [ 1077.982681] ================================================================================ [ 1077.982686] UBSAN: Undefined behaviour in kernel/irq/handle.c:187:41 [ 1077.982689] member access within misaligned address ffff88005d139418 for type 'struct irq_desc' [ 1077.982691] which requires 64 byte alignment [ 1077.982697] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.982700] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.982712] Workqueue: events_unbound async_run_entry_fn [ 1077.982720] 00000000ffffffff 0000000019b55218 ffff88005d407bf8 ffffffffb26ec5cc [ 1077.982726] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.982733] ffff880000000010 ffff88005d407c20 ffff88005d407bd0 ffffffffb363c3e0 [ 1077.982734] Call Trace: [ 1077.982742] [] dump_stack+0xd7/0x132 [ 1077.982749] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.982755] [] ubsan_epilogue+0x12/0x53 [ 1077.982761] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.982768] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.982775] [] ? __handle_irq_event_percpu+0x4c5/0x4d7 [ 1077.982783] [] handle_irq_event_percpu+0x98/0x130 [ 1077.982789] [] ? __handle_irq_event_percpu+0x4d7/0x4d7 [ 1077.982796] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.982804] [] ? native_apic_msr_write+0x29/0x2b [ 1077.982810] [] handle_irq_event+0xff/0x185 [ 1077.982853] [] handle_edge_irq+0x2e7/0x341 [ 1077.982860] [] handle_irq+0x3f/0x47 [ 1077.982866] [] do_IRQ+0x8a/0x110 [ 1077.982873] [] common_interrupt+0x82/0x82 [ 1077.982879] [] ? __do_softirq+0x8c/0x59e [ 1077.982886] [] ? arch_local_irq_enable+0xb/0xd [ 1077.982892] [] __do_softirq+0x103/0x59e [ 1077.982899] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.982905] [] irq_exit+0x65/0xd6 [ 1077.982911] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.982917] [] apic_timer_interrupt+0x82/0x90 [ 1077.982927] [] ? arch_local_irq_restore+0x6/0xd [ 1077.982932] [] __slab_alloc+0x50/0x5b [ 1077.982938] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.982959] [] kmem_cache_alloc+0xf1/0x33f [ 1077.982966] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.982972] [] __kernfs_new_node+0xbe/0x23d [ 1077.982978] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.982983] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.986502] [] kernfs_new_node+0x3b/0x80 [ 1077.986515] [] __kernfs_create_file+0x52/0x1e6 [ 1077.986529] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.986542] [] internal_create_group+0x5ab/0x8f8 [ 1077.986555] [] sysfs_create_group+0x25/0x29 [ 1077.986567] [] sysfs_create_groups+0xae/0x137 [ 1077.986580] [] device_add+0xa68/0x127e [ 1077.986593] [] ? device_private_init+0x221/0x221 [ 1077.986604] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.986615] [] ? blk_register_region+0x50/0x5e [ 1077.986626] [] device_add_disk+0x6a1/0xb6c [ 1077.986637] [] ? blk_alloc_devt+0x245/0x245 [ 1077.986649] [] ? rpm_idle+0x42b/0x43a [ 1077.986659] [] ? queued_spin_unlock+0xe/0x1b [ 1077.986670] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.986682] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.986697] [] sd_probe_async+0x514/0x6ce [ 1077.986711] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.986725] [] async_run_entry_fn+0x178/0x477 [ 1077.986739] [] ? set_work_data+0x112/0x14a [ 1077.986753] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.986764] [] ? get_work_pwq+0x58/0x58 [ 1077.986778] [] process_one_work+0x54a/0x88e [ 1077.986791] [] ? create_worker+0x528/0x528 [ 1077.986804] [] ? worker_clr_flags+0x187/0x193 [ 1077.986887] [] worker_thread+0x67c/0x857 [ 1077.986901] [] kthread+0x1f7/0x20b [ 1077.986913] [] ? rescuer_thread+0x91f/0x91f [ 1077.986924] [] ? init_completion+0x48/0x48 [ 1077.986939] [] ret_from_fork+0x1f/0x40 [ 1077.986950] [] ? init_completion+0x48/0x48 [ 1077.986956] ================================================================================ [ 1077.986963] ================================================================================ [ 1077.986970] UBSAN: Undefined behaviour in kernel/irq/spurious.c:275:10 [ 1077.986987] member access within misaligned address ffff88005d139418 for type 'struct irq_desc' [ 1077.986991] which requires 64 byte alignment [ 1077.987001] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.987006] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.987027] Workqueue: events_unbound async_run_entry_fn [ 1077.987042] 00000000ffffffff 0000000019b55218 ffff88005d407bb0 ffffffffb26ec5cc [ 1077.987055] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.987067] ffff880000000010 ffff88005d407bd8 ffff88005d407b88 ffffffffb363c3e0 [ 1077.987069] Call Trace: [ 1077.987085] [] dump_stack+0xd7/0x132 [ 1077.987097] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.987110] [] ubsan_epilogue+0x12/0x53 [ 1077.987122] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.987135] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.987148] [] ? add_interrupt_randomness+0x737/0x773 [ 1077.987162] [] note_interrupt+0x3a/0x77f [ 1077.987174] [] handle_irq_event_percpu+0xf5/0x130 [ 1077.987186] [] ? __handle_irq_event_percpu+0x4d7/0x4d7 [ 1077.987199] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.987214] [] ? native_apic_msr_write+0x29/0x2b [ 1077.987225] [] handle_irq_event+0xff/0x185 [ 1077.987239] [] handle_edge_irq+0x2e7/0x341 [ 1077.987251] [] handle_irq+0x3f/0x47 [ 1077.987261] [] do_IRQ+0x8a/0x110 [ 1077.987275] [] common_interrupt+0x82/0x82 [ 1077.987287] [] ? __do_softirq+0x8c/0x59e [ 1077.987299] [] ? arch_local_irq_enable+0xb/0xd [ 1077.987311] [] __do_softirq+0x103/0x59e [ 1077.987324] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.987336] [] irq_exit+0x65/0xd6 [ 1077.987348] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.987359] [] apic_timer_interrupt+0x82/0x90 [ 1077.987377] [] ? arch_local_irq_restore+0x6/0xd [ 1077.987387] [] __slab_alloc+0x50/0x5b [ 1077.987398] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.987409] [] kmem_cache_alloc+0xf1/0x33f [ 1077.987419] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.987430] [] __kernfs_new_node+0xbe/0x23d [ 1077.987441] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.987452] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.987463] [] kernfs_new_node+0x3b/0x80 [ 1077.987475] [] __kernfs_create_file+0x52/0x1e6 [ 1077.987488] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.987501] [] internal_create_group+0x5ab/0x8f8 [ 1077.987513] [] sysfs_create_group+0x25/0x29 [ 1077.987525] [] sysfs_create_groups+0xae/0x137 [ 1077.987538] [] device_add+0xa68/0x127e [ 1077.987550] [] ? device_private_init+0x221/0x221 [ 1077.987561] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.987573] [] ? blk_register_region+0x50/0x5e [ 1077.987584] [] device_add_disk+0x6a1/0xb6c [ 1077.987596] [] ? blk_alloc_devt+0x245/0x245 [ 1077.987607] [] ? rpm_idle+0x42b/0x43a [ 1077.987618] [] ? queued_spin_unlock+0xe/0x1b [ 1077.987629] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.987640] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.987651] [] sd_probe_async+0x514/0x6ce [ 1077.987659] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.987667] [] async_run_entry_fn+0x178/0x477 [ 1077.987673] [] ? set_work_data+0x112/0x14a [ 1077.987681] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.987686] [] ? get_work_pwq+0x58/0x58 [ 1077.987694] [] process_one_work+0x54a/0x88e [ 1077.987700] [] ? create_worker+0x528/0x528 [ 1077.987707] [] ? worker_clr_flags+0x187/0x193 [ 1077.987714] [] worker_thread+0x67c/0x857 [ 1077.987720] [] kthread+0x1f7/0x20b [ 1077.987726] [] ? rescuer_thread+0x91f/0x91f [ 1077.987732] [] ? init_completion+0x48/0x48 [ 1077.987741] [] ret_from_fork+0x1f/0x40 [ 1077.987746] [] ? init_completion+0x48/0x48 [ 1077.987749] ================================================================================ [ 1077.987752] ================================================================================ [ 1077.987756] UBSAN: Undefined behaviour in kernel/irq/settings.h:157:13 [ 1077.987760] member access within misaligned address ffff88005d139418 for type 'struct irq_desc' [ 1077.987762] which requires 64 byte alignment [ 1077.987767] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.987771] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.987781] Workqueue: events_unbound async_run_entry_fn [ 1077.987788] 00000000ffffffff 0000000019b55218 ffff88005d407bb0 ffffffffb26ec5cc [ 1077.987795] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.987803] ffff880000000010 ffff88005d407bd8 ffff88005d407b88 ffffffffb363c3e0 [ 1077.987804] Call Trace: [ 1077.987814] [] dump_stack+0xd7/0x132 [ 1077.987821] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.987828] [] ubsan_epilogue+0x12/0x53 [ 1077.987836] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.987844] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.987852] [] ? add_interrupt_randomness+0x737/0x773 [ 1077.987860] [] note_interrupt+0x74/0x77f [ 1077.987869] [] handle_irq_event_percpu+0xf5/0x130 [ 1077.987878] [] ? __handle_irq_event_percpu+0x4d7/0x4d7 [ 1077.987975] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.988036] [] ? native_apic_msr_write+0x29/0x2b [ 1077.988056] [] handle_irq_event+0xff/0x185 [ 1077.988113] [] handle_edge_irq+0x2e7/0x341 [ 1077.988131] [] handle_irq+0x3f/0x47 [ 1077.988139] [] do_IRQ+0x8a/0x110 [ 1077.988149] [] common_interrupt+0x82/0x82 [ 1077.988157] [] ? __do_softirq+0x8c/0x59e [ 1077.988169] [] ? arch_local_irq_enable+0xb/0xd [ 1077.988180] [] __do_softirq+0x103/0x59e [ 1077.988195] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.988208] [] irq_exit+0x65/0xd6 [ 1077.988220] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.988232] [] apic_timer_interrupt+0x82/0x90 [ 1077.988250] [] ? arch_local_irq_restore+0x6/0xd [ 1077.988260] [] __slab_alloc+0x50/0x5b [ 1077.988271] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.988278] [] kmem_cache_alloc+0xf1/0x33f [ 1077.988284] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.988290] [] __kernfs_new_node+0xbe/0x23d [ 1077.988296] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.988302] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.988308] [] kernfs_new_node+0x3b/0x80 [ 1077.988315] [] __kernfs_create_file+0x52/0x1e6 [ 1077.988322] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.988331] [] internal_create_group+0x5ab/0x8f8 [ 1077.988338] [] sysfs_create_group+0x25/0x29 [ 1077.988345] [] sysfs_create_groups+0xae/0x137 [ 1077.988352] [] device_add+0xa68/0x127e [ 1077.988359] [] ? device_private_init+0x221/0x221 [ 1077.988365] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.988371] [] ? blk_register_region+0x50/0x5e [ 1077.988377] [] device_add_disk+0x6a1/0xb6c [ 1077.988383] [] ? blk_alloc_devt+0x245/0x245 [ 1077.988390] [] ? rpm_idle+0x42b/0x43a [ 1077.988395] [] ? queued_spin_unlock+0xe/0x1b [ 1077.988401] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.988408] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.988420] [] sd_probe_async+0x514/0x6ce [ 1077.988430] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.988440] [] async_run_entry_fn+0x178/0x477 [ 1077.988449] [] ? set_work_data+0x112/0x14a [ 1077.988460] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.988467] [] ? get_work_pwq+0x58/0x58 [ 1077.988476] [] process_one_work+0x54a/0x88e [ 1077.988483] [] ? create_worker+0x528/0x528 [ 1077.988492] [] ? worker_clr_flags+0x187/0x193 [ 1077.988499] [] worker_thread+0x67c/0x857 [ 1077.988507] [] kthread+0x1f7/0x20b [ 1077.988514] [] ? rescuer_thread+0x91f/0x91f [ 1077.988521] [] ? init_completion+0x48/0x48 [ 1077.988532] [] ret_from_fork+0x1f/0x40 [ 1077.988539] [] ? init_completion+0x48/0x48 [ 1077.988545] ================================================================================ [ 1077.988550] ================================================================================ [ 1077.988555] UBSAN: Undefined behaviour in ./include/linux/irqdesc.h:113:23 [ 1077.988559] member access within misaligned address ffff88005d139418 for type 'struct irq_desc' [ 1077.988561] which requires 64 byte alignment [ 1077.988567] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.988571] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.988584] Workqueue: events_unbound async_run_entry_fn [ 1077.988594] 00000000ffffffff 0000000019b55218 ffff88005d407bb0 ffffffffb26ec5cc [ 1077.988602] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.988609] ffff880000000010 ffff88005d407bd8 ffff88005d407b88 ffffffffb363c3e0 [ 1077.988611] Call Trace: [ 1077.988619] [] dump_stack+0xd7/0x132 [ 1077.988627] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.988634] [] ubsan_epilogue+0x12/0x53 [ 1077.988642] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.988650] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.988658] [] ? add_interrupt_randomness+0x737/0x773 [ 1077.988666] [] note_interrupt+0x385/0x77f [ 1077.988674] [] handle_irq_event_percpu+0xf5/0x130 [ 1077.988681] [] ? __handle_irq_event_percpu+0x4d7/0x4d7 [ 1077.988689] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.988696] [] ? native_apic_msr_write+0x29/0x2b [ 1077.988703] [] handle_irq_event+0xff/0x185 [ 1077.988711] [] handle_edge_irq+0x2e7/0x341 [ 1077.988717] [] handle_irq+0x3f/0x47 [ 1077.988723] [] do_IRQ+0x8a/0x110 [ 1077.988730] [] common_interrupt+0x82/0x82 [ 1077.988736] [] ? __do_softirq+0x8c/0x59e [ 1077.988743] [] ? arch_local_irq_enable+0xb/0xd [ 1077.988749] [] __do_softirq+0x103/0x59e [ 1077.988756] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.988763] [] irq_exit+0x65/0xd6 [ 1077.988770] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.988777] [] apic_timer_interrupt+0x82/0x90 [ 1077.988788] [] ? arch_local_irq_restore+0x6/0xd [ 1077.988795] [] __slab_alloc+0x50/0x5b [ 1077.988803] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.988810] [] kmem_cache_alloc+0xf1/0x33f [ 1077.988818] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.988826] [] __kernfs_new_node+0xbe/0x23d [ 1077.988832] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.988838] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.988845] [] kernfs_new_node+0x3b/0x80 [ 1077.988872] [] __kernfs_create_file+0x52/0x1e6 [ 1077.988881] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.988889] [] internal_create_group+0x5ab/0x8f8 [ 1077.988896] [] sysfs_create_group+0x25/0x29 [ 1077.988902] [] sysfs_create_groups+0xae/0x137 [ 1077.988910] [] device_add+0xa68/0x127e [ 1077.988917] [] ? device_private_init+0x221/0x221 [ 1077.988923] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.988929] [] ? blk_register_region+0x50/0x5e [ 1077.988936] [] device_add_disk+0x6a1/0xb6c [ 1077.988942] [] ? blk_alloc_devt+0x245/0x245 [ 1077.988949] [] ? rpm_idle+0x42b/0x43a [ 1077.988955] [] ? queued_spin_unlock+0xe/0x1b [ 1077.988962] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.988969] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.988979] [] sd_probe_async+0x514/0x6ce [ 1077.988988] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.988997] [] async_run_entry_fn+0x178/0x477 [ 1077.989004] [] ? set_work_data+0x112/0x14a [ 1077.989014] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.989023] [] ? get_work_pwq+0x58/0x58 [ 1077.989071] [] process_one_work+0x54a/0x88e [ 1077.989085] [] ? create_worker+0x528/0x528 [ 1077.989094] [] ? worker_clr_flags+0x187/0x193 [ 1077.989104] [] worker_thread+0x67c/0x857 [ 1077.989115] [] kthread+0x1f7/0x20b [ 1077.989125] [] ? rescuer_thread+0x91f/0x91f [ 1077.989133] [] ? init_completion+0x48/0x48 [ 1077.989146] [] ret_from_fork+0x1f/0x40 [ 1077.989156] [] ? init_completion+0x48/0x48 [ 1077.989162] ================================================================================ [ 1077.989167] ================================================================================ [ 1077.989173] UBSAN: Undefined behaviour in kernel/irq/spurious.c:405:6 [ 1077.989177] member access within misaligned address ffff88005d139418 for type 'struct irq_desc' [ 1077.989179] which requires 64 byte alignment [ 1077.989185] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.989188] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.989202] Workqueue: events_unbound async_run_entry_fn [ 1077.989210] 00000000ffffffff 0000000019b55218 ffff88005d407bb0 ffffffffb26ec5cc [ 1077.989217] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.989226] ffff880000000010 ffff88005d407bd8 ffff88005d407b88 ffffffffb363c3e0 [ 1077.989227] Call Trace: [ 1077.989238] [] dump_stack+0xd7/0x132 [ 1077.989247] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.989255] [] ubsan_epilogue+0x12/0x53 [ 1077.989264] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.989272] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.989282] [] ? add_interrupt_randomness+0x737/0x773 [ 1077.989293] [] note_interrupt+0x5a8/0x77f [ 1077.989301] [] handle_irq_event_percpu+0xf5/0x130 [ 1077.989309] [] ? __handle_irq_event_percpu+0x4d7/0x4d7 [ 1077.989319] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.989329] [] ? native_apic_msr_write+0x29/0x2b [ 1077.989338] [] handle_irq_event+0xff/0x185 [ 1077.989347] [] handle_edge_irq+0x2e7/0x341 [ 1077.989356] [] handle_irq+0x3f/0x47 [ 1077.989363] [] do_IRQ+0x8a/0x110 [ 1077.989372] [] common_interrupt+0x82/0x82 [ 1077.989379] [] ? __do_softirq+0x8c/0x59e [ 1077.989387] [] ? arch_local_irq_enable+0xb/0xd [ 1077.989393] [] __do_softirq+0x103/0x59e [ 1077.989401] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.989408] [] irq_exit+0x65/0xd6 [ 1077.989415] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.989422] [] apic_timer_interrupt+0x82/0x90 [ 1077.989433] [] ? arch_local_irq_restore+0x6/0xd [ 1077.989439] [] __slab_alloc+0x50/0x5b [ 1077.989446] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.989453] [] kmem_cache_alloc+0xf1/0x33f [ 1077.989459] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.989465] [] __kernfs_new_node+0xbe/0x23d [ 1077.989471] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.989478] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.989484] [] kernfs_new_node+0x3b/0x80 [ 1077.989490] [] __kernfs_create_file+0x52/0x1e6 [ 1077.989498] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.989505] [] internal_create_group+0x5ab/0x8f8 [ 1077.989512] [] sysfs_create_group+0x25/0x29 [ 1077.989519] [] sysfs_create_groups+0xae/0x137 [ 1077.989526] [] device_add+0xa68/0x127e [ 1077.989532] [] ? device_private_init+0x221/0x221 [ 1077.989539] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.989545] [] ? blk_register_region+0x50/0x5e [ 1077.989551] [] device_add_disk+0x6a1/0xb6c [ 1077.989557] [] ? blk_alloc_devt+0x245/0x245 [ 1077.989563] [] ? rpm_idle+0x42b/0x43a [ 1077.989569] [] ? queued_spin_unlock+0xe/0x1b [ 1077.989575] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.989582] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.989591] [] sd_probe_async+0x514/0x6ce [ 1077.989599] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.989607] [] async_run_entry_fn+0x178/0x477 [ 1077.989614] [] ? set_work_data+0x112/0x14a [ 1077.989621] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.989628] [] ? get_work_pwq+0x58/0x58 [ 1077.989636] [] process_one_work+0x54a/0x88e [ 1077.989643] [] ? create_worker+0x528/0x528 [ 1077.989650] [] ? worker_clr_flags+0x187/0x193 [ 1077.989657] [] worker_thread+0x67c/0x857 [ 1077.989663] [] kthread+0x1f7/0x20b [ 1077.989670] [] ? rescuer_thread+0x91f/0x91f [ 1077.989677] [] ? init_completion+0x48/0x48 [ 1077.989686] [] ret_from_fork+0x1f/0x40 [ 1077.989692] [] ? init_completion+0x48/0x48 [ 1077.989695] ================================================================================ [ 1077.989697] ================================================================================ [ 1077.989701] UBSAN: Undefined behaviour in kernel/irq/spurious.c:405:17 [ 1077.989706] member access within misaligned address ffff88005d139418 for type 'struct irq_desc' [ 1077.989707] which requires 64 byte alignment [ 1077.989712] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.989715] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.989724] Workqueue: events_unbound async_run_entry_fn [ 1077.989732] 00000000ffffffff 0000000019b55218 ffff88005d407bb0 ffffffffb26ec5cc [ 1077.989739] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.994164] ffff880000000010 ffff88005d407bd8 ffff88005d407b88 ffffffffb363c3e0 [ 1077.994167] Call Trace: [ 1077.994182] [] dump_stack+0xd7/0x132 [ 1077.994190] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.994197] [] ubsan_epilogue+0x12/0x53 [ 1077.994205] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.994212] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.994222] [] ? add_interrupt_randomness+0x737/0x773 [ 1077.994230] [] note_interrupt+0x5d7/0x77f [ 1077.994238] [] handle_irq_event_percpu+0xf5/0x130 [ 1077.994245] [] ? __handle_irq_event_percpu+0x4d7/0x4d7 [ 1077.994253] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.994262] [] ? native_apic_msr_write+0x29/0x2b [ 1077.994269] [] handle_irq_event+0xff/0x185 [ 1077.994277] [] handle_edge_irq+0x2e7/0x341 [ 1077.994286] [] handle_irq+0x3f/0x47 [ 1077.994403] [] do_IRQ+0x8a/0x110 [ 1077.994416] [] common_interrupt+0x82/0x82 [ 1077.994423] [] ? __do_softirq+0x8c/0x59e [ 1077.994431] [] ? arch_local_irq_enable+0xb/0xd [ 1077.994438] [] __do_softirq+0x103/0x59e [ 1077.994446] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.994454] [] irq_exit+0x65/0xd6 [ 1077.994461] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.994468] [] apic_timer_interrupt+0x82/0x90 [ 1077.994480] [] ? arch_local_irq_restore+0x6/0xd [ 1077.994486] [] __slab_alloc+0x50/0x5b [ 1077.994493] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.994499] [] kmem_cache_alloc+0xf1/0x33f [ 1077.994504] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.994511] [] __kernfs_new_node+0xbe/0x23d [ 1077.994518] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.994524] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.994530] [] kernfs_new_node+0x3b/0x80 [ 1077.994537] [] __kernfs_create_file+0x52/0x1e6 [ 1077.994544] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.994552] [] internal_create_group+0x5ab/0x8f8 [ 1077.994559] [] sysfs_create_group+0x25/0x29 [ 1077.994565] [] sysfs_create_groups+0xae/0x137 [ 1077.994573] [] device_add+0xa68/0x127e [ 1077.994580] [] ? device_private_init+0x221/0x221 [ 1077.994587] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.994593] [] ? blk_register_region+0x50/0x5e [ 1077.994600] [] device_add_disk+0x6a1/0xb6c [ 1077.994607] [] ? blk_alloc_devt+0x245/0x245 [ 1077.994613] [] ? rpm_idle+0x42b/0x43a [ 1077.994630] [] ? queued_spin_unlock+0xe/0x1b [ 1077.994636] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.994644] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.994653] [] sd_probe_async+0x514/0x6ce [ 1077.994661] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.994671] [] async_run_entry_fn+0x178/0x477 [ 1077.994679] [] ? set_work_data+0x112/0x14a [ 1077.994687] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.994694] [] ? get_work_pwq+0x58/0x58 [ 1077.994702] [] process_one_work+0x54a/0x88e [ 1077.994710] [] ? create_worker+0x528/0x528 [ 1077.994717] [] ? worker_clr_flags+0x187/0x193 [ 1077.994725] [] worker_thread+0x67c/0x857 [ 1077.994731] [] kthread+0x1f7/0x20b [ 1077.994739] [] ? rescuer_thread+0x91f/0x91f [ 1077.994745] [] ? init_completion+0x48/0x48 [ 1077.994754] [] ret_from_fork+0x1f/0x40 [ 1077.994761] [] ? init_completion+0x48/0x48 [ 1077.994764] ================================================================================ [ 1077.994767] ================================================================================ [ 1077.994772] UBSAN: Undefined behaviour in kernel/irq/spurious.c:406:6 [ 1077.994777] member access within misaligned address ffff88005d139418 for type 'struct irq_desc' [ 1077.994779] which requires 64 byte alignment [ 1077.994786] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.994790] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.994803] Workqueue: events_unbound async_run_entry_fn [ 1077.994811] 00000000ffffffff 0000000019b55218 ffff88005d407bb0 ffffffffb26ec5cc [ 1077.994858] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.994867] ffff880000000010 ffff88005d407bd8 ffff88005d407b88 ffffffffb363c3e0 [ 1077.994868] Call Trace: [ 1077.994878] [] dump_stack+0xd7/0x132 [ 1077.994885] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.994892] [] ubsan_epilogue+0x12/0x53 [ 1077.994900] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.994908] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.994916] [] ? add_interrupt_randomness+0x737/0x773 [ 1077.994924] [] note_interrupt+0x5f7/0x77f [ 1077.994932] [] handle_irq_event_percpu+0xf5/0x130 [ 1077.994947] [] ? __handle_irq_event_percpu+0x4d7/0x4d7 [ 1077.994954] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.994963] [] ? native_apic_msr_write+0x29/0x2b [ 1077.994969] [] handle_irq_event+0xff/0x185 [ 1077.994976] [] handle_edge_irq+0x2e7/0x341 [ 1077.994983] [] handle_irq+0x3f/0x47 [ 1077.994989] [] do_IRQ+0x8a/0x110 [ 1077.994996] [] common_interrupt+0x82/0x82 [ 1077.995003] [] ? __do_softirq+0x8c/0x59e [ 1077.995010] [] ? arch_local_irq_enable+0xb/0xd [ 1077.995017] [] __do_softirq+0x103/0x59e [ 1077.995024] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.995031] [] irq_exit+0x65/0xd6 [ 1077.995038] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.995044] [] apic_timer_interrupt+0x82/0x90 [ 1077.995054] [] ? arch_local_irq_restore+0x6/0xd [ 1077.995060] [] __slab_alloc+0x50/0x5b [ 1077.995066] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.995072] [] kmem_cache_alloc+0xf1/0x33f [ 1077.995078] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.995084] [] __kernfs_new_node+0xbe/0x23d [ 1077.995090] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.995096] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.995102] [] kernfs_new_node+0x3b/0x80 [ 1077.995109] [] __kernfs_create_file+0x52/0x1e6 [ 1077.995116] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.995123] [] internal_create_group+0x5ab/0x8f8 [ 1077.995130] [] sysfs_create_group+0x25/0x29 [ 1077.995137] [] sysfs_create_groups+0xae/0x137 [ 1077.995144] [] device_add+0xa68/0x127e [ 1077.995151] [] ? device_private_init+0x221/0x221 [ 1077.995158] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.995164] [] ? blk_register_region+0x50/0x5e [ 1077.995171] [] device_add_disk+0x6a1/0xb6c [ 1077.995177] [] ? blk_alloc_devt+0x245/0x245 [ 1077.995185] [] ? rpm_idle+0x42b/0x43a [ 1077.995191] [] ? queued_spin_unlock+0xe/0x1b [ 1077.995197] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.995204] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.995213] [] sd_probe_async+0x514/0x6ce [ 1077.995221] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.995229] [] async_run_entry_fn+0x178/0x477 [ 1077.995236] [] ? set_work_data+0x112/0x14a [ 1077.995244] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.995251] [] ? get_work_pwq+0x58/0x58 [ 1077.995258] [] process_one_work+0x54a/0x88e [ 1077.995265] [] ? create_worker+0x528/0x528 [ 1077.995272] [] ? worker_clr_flags+0x187/0x193 [ 1077.995280] [] worker_thread+0x67c/0x857 [ 1077.995286] [] kthread+0x1f7/0x20b [ 1077.995293] [] ? rescuer_thread+0x91f/0x91f [ 1077.995299] [] ? init_completion+0x48/0x48 [ 1077.995307] [] ret_from_fork+0x1f/0x40 [ 1077.995313] [] ? init_completion+0x48/0x48 [ 1077.995316] ================================================================================ [ 1077.995319] ================================================================================ [ 1077.995324] UBSAN: Undefined behaviour in kernel/irq/chip.c:668:16 [ 1077.995328] member access within misaligned address ffff88005d139418 for type 'struct irq_desc' [ 1077.995329] which requires 64 byte alignment [ 1077.995335] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1077.995338] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1077.995348] Workqueue: events_unbound async_run_entry_fn [ 1077.995355] 00000000ffffffff 0000000019b55218 ffff88005d407cc0 ffffffffb26ec5cc [ 1077.995362] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1077.995369] 0000000000000010 ffff88005d407ce8 ffff88005d407c98 ffffffffb363c3e0 [ 1077.995370] Call Trace: [ 1077.995379] [] dump_stack+0xd7/0x132 [ 1077.995385] [] ? arch_local_irq_restore+0x1b/0x1b [ 1077.995392] [] ubsan_epilogue+0x12/0x53 [ 1077.995399] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1077.995406] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1077.995415] [] ? native_apic_msr_write+0x29/0x2b [ 1077.995422] [] ? _raw_spin_lock+0xe/0x10 [ 1077.995430] [] handle_edge_irq+0x300/0x341 [ 1077.995436] [] handle_irq+0x3f/0x47 [ 1077.995442] [] do_IRQ+0x8a/0x110 [ 1077.995449] [] common_interrupt+0x82/0x82 [ 1077.995456] [] ? __do_softirq+0x8c/0x59e [ 1077.995463] [] ? arch_local_irq_enable+0xb/0xd [ 1077.995469] [] __do_softirq+0x103/0x59e [ 1077.995476] [] ? hrtimer_interrupt+0x40f/0x41c [ 1077.995483] [] irq_exit+0x65/0xd6 [ 1077.995490] [] smp_apic_timer_interrupt+0x33/0x3e [ 1077.995496] [] apic_timer_interrupt+0x82/0x90 [ 1077.995506] [] ? arch_local_irq_restore+0x6/0xd [ 1077.995511] [] __slab_alloc+0x50/0x5b [ 1077.995518] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.995524] [] kmem_cache_alloc+0xf1/0x33f [ 1077.995530] [] ? __kernfs_new_node+0xbe/0x23d [ 1077.995536] [] __kernfs_new_node+0xbe/0x23d [ 1077.995542] [] ? kernfs_dop_revalidate+0x309/0x309 [ 1077.995548] [] ? kernfs_activate+0x1f0/0x1fc [ 1077.995554] [] kernfs_new_node+0x3b/0x80 [ 1077.995561] [] __kernfs_create_file+0x52/0x1e6 [ 1077.995568] [] sysfs_add_file_mode_ns+0x29d/0x43d [ 1077.995586] [] internal_create_group+0x5ab/0x8f8 [ 1077.995594] [] sysfs_create_group+0x25/0x29 [ 1077.995601] [] sysfs_create_groups+0xae/0x137 [ 1077.995608] [] device_add+0xa68/0x127e [ 1077.995616] [] ? device_private_init+0x221/0x221 [ 1077.995623] [] ? queued_spin_unlock+0x1b/0x1b [ 1077.995630] [] ? blk_register_region+0x50/0x5e [ 1077.995637] [] device_add_disk+0x6a1/0xb6c [ 1077.995644] [] ? blk_alloc_devt+0x245/0x245 [ 1077.995651] [] ? rpm_idle+0x42b/0x43a [ 1077.995658] [] ? queued_spin_unlock+0xe/0x1b [ 1077.995664] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1077.995672] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1077.995681] [] sd_probe_async+0x514/0x6ce [ 1077.995689] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1077.995697] [] async_run_entry_fn+0x178/0x477 [ 1077.995704] [] ? set_work_data+0x112/0x14a [ 1077.995713] [] ? async_unregister_domain+0xd5/0xd5 [ 1077.995719] [] ? get_work_pwq+0x58/0x58 [ 1077.995727] [] process_one_work+0x54a/0x88e [ 1077.995735] [] ? create_worker+0x528/0x528 [ 1077.995743] [] ? worker_clr_flags+0x187/0x193 [ 1077.995750] [] worker_thread+0x67c/0x857 [ 1077.995757] [] kthread+0x1f7/0x20b [ 1077.995764] [] ? rescuer_thread+0x91f/0x91f [ 1077.995771] [] ? init_completion+0x48/0x48 [ 1077.995779] [] ret_from_fork+0x1f/0x40 [ 1077.995786] [] ? init_completion+0x48/0x48 [ 1077.995789] ================================================================================ [ 1078.011109] scsi 1:0:0:0: CD-ROM QEMU QEMU DVD-ROM 2.5+ PQ: 0 ANSI: 5 [ 1078.072913] ================================================================================ [ 1078.072919] UBSAN: Undefined behaviour in mm/page_alloc.c:2444:2 [ 1078.072924] member access within misaligned address ffff88005bd97688 for type 'struct page' [ 1078.072926] which requires 16 byte alignment [ 1078.072932] CPU: 0 PID: 128 Comm: kworker/u9:2 Not tainted 4.8.11 #1 [ 1078.072936] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1078.072950] Workqueue: events_unbound async_run_entry_fn [ 1078.072959] 00000000ffffffff 0000000019b55218 ffff88005bd97530 ffffffffb26ec5cc [ 1078.072967] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1078.072974] 0000000000000010 ffff88005bd97558 ffff88005bd97508 ffffffffb363c3e0 [ 1078.072975] Call Trace: [ 1078.072984] [] dump_stack+0xd7/0x132 [ 1078.072991] [] ? arch_local_irq_restore+0x1b/0x1b [ 1078.072998] [] ubsan_epilogue+0x12/0x53 [ 1078.073005] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1078.073013] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1078.073021] [] ? list_add+0x3d/0x42 [ 1078.073027] [] ? free_hot_cold_page+0x401/0x40e [ 1078.073033] [] free_hot_cold_page_list+0xeb/0x198 [ 1078.073041] [] release_pages+0x297/0x595 [ 1078.073048] [] ? __put_compound_page+0x77/0x77 [ 1078.073056] [] ? lru_add_drain_cpu+0x310/0x31c [ 1078.073064] [] __pagevec_release+0x76/0xa3 [ 1078.073071] [] pagevec_release+0x3a/0x42 [ 1078.073079] [] truncate_inode_pages_range+0x3eb/0x995 [ 1078.073088] [] ? generic_error_remove_page+0xa2/0xa2 [ 1078.073096] [] ? brelse+0x27/0x27 [ 1078.073103] [] ? brelse+0x27/0x27 [ 1078.073110] [] ? on_each_cpu_mask+0x69/0x74 [ 1078.073117] [] ? on_each_cpu_cond+0x15d/0x1a1 [ 1078.073125] [] ? brelse+0x27/0x27 [ 1078.073131] [] ? on_each_cpu_mask+0x74/0x74 [ 1078.073140] [] truncate_inode_pages+0x2b/0x2d [ 1078.073146] [] kill_bdev+0x9b/0xd3 [ 1078.073152] [] __blkdev_put+0x259/0x81e [ 1078.073159] [] ? freeze_bdev+0x264/0x264 [ 1078.073165] [] ? __wake_up_sync+0x12/0x12 [ 1078.073173] [] ? mutex_set_owner+0x8e/0xc6 [ 1078.073181] [] ? mutex_unlock+0x9d/0xce [ 1078.073188] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1078.073194] [] blkdev_put+0x430/0x43d [ 1078.073202] [] device_add_disk+0x8b9/0xb6c [ 1078.073208] [] ? blk_alloc_devt+0x245/0x245 [ 1078.073215] [] ? rpm_idle+0x42b/0x43a [ 1078.073222] [] ? queued_spin_unlock+0xe/0x1b [ 1078.073228] [] ? __raw_spin_unlock_irq+0x17/0x20 [ 1078.073235] [] ? __pm_runtime_use_autosuspend+0xd7/0xe2 [ 1078.073244] [] sd_probe_async+0x514/0x6ce [ 1078.073252] [] ? sd_revalidate_disk+0x4ef6/0x4ef6 [ 1078.073260] [] async_run_entry_fn+0x178/0x477 [ 1078.073268] [] ? set_work_data+0x112/0x14a [ 1078.073276] [] ? async_unregister_domain+0xd5/0xd5 [ 1078.073282] [] ? get_work_pwq+0x58/0x58 [ 1078.073290] [] process_one_work+0x54a/0x88e [ 1078.073297] [] ? create_worker+0x528/0x528 [ 1078.073305] [] ? worker_clr_flags+0x187/0x193 [ 1078.073312] [] worker_thread+0x67c/0x857 [ 1078.073319] [] kthread+0x1f7/0x20b [ 1078.073326] [] ? rescuer_thread+0x91f/0x91f [ 1078.073332] [] ? init_completion+0x48/0x48 [ 1078.073341] [] ret_from_fork+0x1f/0x40 [ 1078.073347] [] ? init_completion+0x48/0x48 [ 1078.073350] ================================================================================ [ 1078.098802] sd 0:0:0:0: [sda] Attached SCSI disk [ 1124.970449] uhci_hcd: USB Universal Host Controller Interface driver [ 1125.376124] sr 1:0:0:0: [sr0] scsi3-mmc drive: 4x/4x cd/rw xa/form2 tray [ 1125.422401] cdrom: Uniform CD-ROM driver Revision: 3.20 [ 1125.503594] sr 1:0:0:0: Attached scsi generic sg1 type 5 [ 1142.418782] uhci_hcd 0000:00:01.2: UHCI Host Controller [ 1142.462905] uhci_hcd 0000:00:01.2: new USB bus registered, assigned bus number 1 [ 1142.505633] uhci_hcd 0000:00:01.2: detected 2 ports [ 1142.528219] uhci_hcd 0000:00:01.2: irq 11, io base 0x0000c640 [ 1142.577884] usb usb1: New USB device found, idVendor=1d6b, idProduct=0001 [ 1142.619357] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 1142.660261] usb usb1: Product: UHCI Host Controller [ 1142.676715] usb usb1: Manufacturer: Linux 4.8.11 uhci_hcd [ 1142.693045] usb usb1: SerialNumber: 0000:00:01.2 [ 1142.722111] hub 1-0:1.0: USB hub found [ 1142.735793] hub 1-0:1.0: 2 ports detected [ 1142.781657] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 1142.820041] ================================================================================ [ 1142.845908] UBSAN: Undefined behaviour in kernel/irq/settings.h:50:13 [ 1142.869983] member access within misaligned address ffff88005d0a7c38 for type 'struct irq_desc' [ 1142.893774] which requires 64 byte alignment [ 1142.909361] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1142.931111] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1142.996672] 00000000ffffffff 00000000b1a89c60 ffff88005c9df888 ffffffffb26ec5cc [ 1143.044898] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1143.118946] 0000000000000010 ffff88005c9df8b0 ffff88005c9df860 ffffffffb363c3e0 [ 1143.173090] Call Trace: [ 1143.179258] [] dump_stack+0xd7/0x132 [ 1143.195467] [] ? arch_local_irq_restore+0x1b/0x1b [ 1143.214446] [] ubsan_epilogue+0x12/0x53 [ 1143.231737] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1143.254319] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1143.274451] [] free_irq+0x48/0x11b [ 1143.292749] [] i8042_probe+0x62c/0xc59 [ 1143.308451] [] ? i8042_create_aux_port+0x363/0x363 [ 1143.325946] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1143.345498] [] ? platform_device_unregister+0x25/0x25 [ 1143.366452] [] ? i8042_create_aux_port+0x363/0x363 [ 1143.386670] [] platform_drv_probe+0xd3/0x17a [ 1143.405764] [] ? platform_device_unregister+0x25/0x25 [ 1143.425475] [] driver_probe_device+0x654/0xe96 [ 1143.444414] [] ? platform_uevent+0x84/0x84 [ 1143.468953] [] ? driver_probe_device+0xe96/0xe96 [ 1143.487426] [] __driver_attach+0x1b0/0x262 [ 1143.507053] [] bus_for_each_dev+0x163/0x1b9 [ 1143.527011] [] ? next_device+0x65/0x65 [ 1143.545176] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1143.567840] [] driver_attach+0x49/0x4c [ 1143.588180] [] bus_add_driver+0x2be/0x62c [ 1143.607094] [] driver_register+0x2c2/0x353 [ 1143.624584] [] ? i8042_create_aux_port+0x363/0x363 [ 1143.645303] [] __platform_driver_register+0xee/0xf3 [ 1143.665685] [] __platform_driver_probe+0x137/0x2f0 [ 1143.761396] [] __platform_create_bundle+0xc1/0x113 [ 1143.780840] [] ? i8042_create_aux_port+0x363/0x363 [ 1143.806399] [] i8042_init+0x657/0x715 [ 1143.822179] [] ? i8042_toggle_aux+0x126/0x126 [ 1143.847226] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1143.869543] [] ? led_trigger_rename_static+0x9e/0x9e [ 1143.890199] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1143.909696] [] ? led_trigger_register_simple+0x3d/0xcf [ 1143.933479] [] ? i8042_toggle_aux+0x126/0x126 [ 1143.954251] [] do_one_initcall+0x16d/0x258 [ 1143.972291] [] ? initcall_blacklisted+0x198/0x198 [ 1143.993294] [] ? up_write+0x8c/0xd9 [ 1144.011072] [] ? down_write_trylock+0x100/0x100 [ 1144.032035] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1144.052335] [] kernel_init_freeable+0x457/0x518 [ 1144.074182] [] kernel_init+0x16/0x181 [ 1144.089329] [] ret_from_fork+0x1f/0x40 [ 1144.107579] [] ? rest_init+0x8f/0x8f [ 1144.121621] ================================================================================ [ 1144.152548] ================================================================================ [ 1144.179714] UBSAN: Undefined behaviour in kernel/irq/manage.c:1590:6 [ 1144.204907] member access within misaligned address ffff88005d0a7c38 for type 'struct irq_desc' [ 1144.230629] which requires 64 byte alignment [ 1144.242356] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1144.263249] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1144.293534] 00000000ffffffff 00000000b1a89c60 ffff88005c9df888 ffffffffb26ec5cc [ 1144.320204] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1144.343875] ffffffff00000010 ffff88005c9df8b0 ffff88005c9df860 ffffffffb363c3e0 [ 1144.369215] Call Trace: [ 1144.376045] [] dump_stack+0xd7/0x132 [ 1144.392451] [] ? arch_local_irq_restore+0x1b/0x1b [ 1144.412924] [] ubsan_epilogue+0x12/0x53 [ 1144.429231] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1144.454872] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1144.474021] [] free_irq+0x105/0x11b [ 1144.491613] [] i8042_probe+0x62c/0xc59 [ 1144.508901] [] ? i8042_create_aux_port+0x363/0x363 [ 1144.528213] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1144.551599] [] ? platform_device_unregister+0x25/0x25 [ 1144.574634] [] ? i8042_create_aux_port+0x363/0x363 [ 1144.596295] [] platform_drv_probe+0xd3/0x17a [ 1144.616207] [] ? platform_device_unregister+0x25/0x25 [ 1144.638170] [] driver_probe_device+0x654/0xe96 [ 1144.658066] [] ? platform_uevent+0x84/0x84 [ 1144.676870] [] ? driver_probe_device+0xe96/0xe96 [ 1144.698065] [] __driver_attach+0x1b0/0x262 [ 1144.718158] [] bus_for_each_dev+0x163/0x1b9 [ 1144.738227] [] ? next_device+0x65/0x65 [ 1144.758549] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1144.776940] [] driver_attach+0x49/0x4c [ 1144.794656] [] bus_add_driver+0x2be/0x62c [ 1144.812376] [] driver_register+0x2c2/0x353 [ 1144.832371] [] ? i8042_create_aux_port+0x363/0x363 [ 1144.851189] [] __platform_driver_register+0xee/0xf3 [ 1144.876298] [] __platform_driver_probe+0x137/0x2f0 [ 1144.897331] [] __platform_create_bundle+0xc1/0x113 [ 1144.923201] [] ? i8042_create_aux_port+0x363/0x363 [ 1144.950265] [] i8042_init+0x657/0x715 [ 1144.966060] [] ? i8042_toggle_aux+0x126/0x126 [ 1144.986205] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1145.008098] [] ? led_trigger_rename_static+0x9e/0x9e [ 1145.030771] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1145.055186] [] ? led_trigger_register_simple+0x3d/0xcf [ 1145.075637] [] ? i8042_toggle_aux+0x126/0x126 [ 1145.097495] [] do_one_initcall+0x16d/0x258 [ 1145.116882] [] ? initcall_blacklisted+0x198/0x198 [ 1145.138413] [] ? up_write+0x8c/0xd9 [ 1145.157128] [] ? down_write_trylock+0x100/0x100 [ 1145.178340] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1145.204081] [] kernel_init_freeable+0x457/0x518 [ 1145.220725] [] kernel_init+0x16/0x181 [ 1145.237764] [] ret_from_fork+0x1f/0x40 [ 1145.256148] [] ? rest_init+0x8f/0x8f [ 1145.272036] ================================================================================ [ 1145.305528] ================================================================================ [ 1145.333914] UBSAN: Undefined behaviour in kernel/irq/manage.c:1490:13 [ 1145.354499] member access within misaligned address ffff88009ebab9d8 for type 'struct irqaction' [ 1145.362135] usb 1-1: new full-speed USB device number 2 using uhci_hcd [ 1145.449819] which requires 64 byte alignment [ 1145.477435] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1145.508563] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1145.570599] 00000000ffffffff 00000000b1a89c60 ffff88005c9df830 ffffffffb26ec5cc [ 1145.616427] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1145.670599] 0000000000000010 ffff88005c9df858 ffff88005c9df808 ffffffffb363c3e0 [ 1145.716987] Call Trace: [ 1145.730196] [] dump_stack+0xd7/0x132 [ 1145.763923] [] ? arch_local_irq_restore+0x1b/0x1b [ 1145.805126] [] ubsan_epilogue+0x12/0x53 [ 1145.841199] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1145.890088] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1145.929651] [] __free_irq+0x122/0x5dd [ 1145.963546] [] free_irq+0xe0/0x11b [ 1145.992872] [] i8042_probe+0x62c/0xc59 [ 1146.028755] [] ? i8042_create_aux_port+0x363/0x363 [ 1146.069984] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1146.108987] [] ? platform_device_unregister+0x25/0x25 [ 1146.141005] [] ? i8042_create_aux_port+0x363/0x363 [ 1146.186984] [] platform_drv_probe+0xd3/0x17a [ 1146.224184] [] ? platform_device_unregister+0x25/0x25 [ 1146.269930] [] driver_probe_device+0x654/0xe96 [ 1146.311092] [] ? platform_uevent+0x84/0x84 [ 1146.339812] [] ? driver_probe_device+0xe96/0xe96 [ 1146.379516] [] __driver_attach+0x1b0/0x262 [ 1146.414670] [] bus_for_each_dev+0x163/0x1b9 [ 1146.444259] [] ? next_device+0x65/0x65 [ 1146.474960] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1146.516517] [] driver_attach+0x49/0x4c [ 1146.553910] [] bus_add_driver+0x2be/0x62c [ 1146.590132] [] driver_register+0x2c2/0x353 [ 1146.626143] [] ? i8042_create_aux_port+0x363/0x363 [ 1146.670085] [] __platform_driver_register+0xee/0xf3 [ 1146.718042] [] __platform_driver_probe+0x137/0x2f0 [ 1146.751502] [] __platform_create_bundle+0xc1/0x113 [ 1146.791742] [] ? i8042_create_aux_port+0x363/0x363 [ 1146.831709] [] i8042_init+0x657/0x715 [ 1146.861891] [] ? i8042_toggle_aux+0x126/0x126 [ 1146.898793] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1146.938016] [] ? led_trigger_rename_static+0x9e/0x9e [ 1146.978762] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1147.021695] [] ? led_trigger_register_simple+0x3d/0xcf [ 1147.059072] [] ? i8042_toggle_aux+0x126/0x126 [ 1147.104472] [] do_one_initcall+0x16d/0x258 [ 1147.137598] [] ? initcall_blacklisted+0x198/0x198 [ 1147.175459] [] ? up_write+0x8c/0xd9 [ 1147.206143] [] ? down_write_trylock+0x100/0x100 [ 1147.240160] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1147.285802] [] kernel_init_freeable+0x457/0x518 [ 1147.321962] [] kernel_init+0x16/0x181 [ 1147.358542] [] ret_from_fork+0x1f/0x40 [ 1147.391550] [] ? rest_init+0x8f/0x8f [ 1147.438616] ================================================================================ [ 1147.488389] ================================================================================ [ 1147.538691] UBSAN: Undefined behaviour in kernel/irq/manage.c:1496:22 [ 1147.575052] member access within misaligned address ffff88009ebab9d8 for type 'struct irqaction' [ 1147.631237] which requires 64 byte alignment [ 1147.656873] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1147.695808] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1147.813165] 00000000ffffffff 00000000b1a89c60 ffff88005c9df830 ffffffffb26ec5cc [ 1147.874548] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1147.919419] 0000000000000010 ffff88005c9df858 ffff88005c9df808 ffffffffb363c3e0 [ 1147.968697] Call Trace: [ 1147.986124] [] dump_stack+0xd7/0x132 [ 1148.019628] [] ? arch_local_irq_restore+0x1b/0x1b [ 1148.052931] [] ubsan_epilogue+0x12/0x53 [ 1148.094422] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1148.133845] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1148.181692] [] __free_irq+0x164/0x5dd [ 1148.214610] [] free_irq+0xe0/0x11b [ 1148.247675] [] i8042_probe+0x62c/0xc59 [ 1148.277760] [] ? i8042_create_aux_port+0x363/0x363 [ 1148.325037] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1148.366275] [] ? platform_device_unregister+0x25/0x25 [ 1148.411613] [] ? i8042_create_aux_port+0x363/0x363 [ 1148.454144] [] platform_drv_probe+0xd3/0x17a [ 1148.491805] [] ? platform_device_unregister+0x25/0x25 [ 1148.532408] [] driver_probe_device+0x654/0xe96 [ 1148.572829] [] ? platform_uevent+0x84/0x84 [ 1148.608847] [] ? driver_probe_device+0xe96/0xe96 [ 1148.649318] [] __driver_attach+0x1b0/0x262 [ 1148.694544] [] bus_for_each_dev+0x163/0x1b9 [ 1148.723219] [] ? next_device+0x65/0x65 [ 1148.746479] usb 1-1: New USB device found, idVendor=0627, idProduct=0001 [ 1148.746486] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=5 [ 1148.746491] usb 1-1: Product: QEMU USB Mouse [ 1148.746496] usb 1-1: Manufacturer: QEMU [ 1148.746501] usb 1-1: SerialNumber: 42 [ 1149.009513] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1149.086745] [] driver_attach+0x49/0x4c [ 1149.144622] [] bus_add_driver+0x2be/0x62c [ 1149.194932] [] driver_register+0x2c2/0x353 [ 1149.230324] [] ? i8042_create_aux_port+0x363/0x363 [ 1149.279202] [] __platform_driver_register+0xee/0xf3 [ 1149.319567] [] __platform_driver_probe+0x137/0x2f0 [ 1149.353085] [] __platform_create_bundle+0xc1/0x113 [ 1149.391480] [] ? i8042_create_aux_port+0x363/0x363 [ 1149.430619] [] i8042_init+0x657/0x715 [ 1149.467514] [] ? i8042_toggle_aux+0x126/0x126 [ 1149.508244] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1149.550537] [] ? led_trigger_rename_static+0x9e/0x9e [ 1149.595037] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1149.639762] [] ? led_trigger_register_simple+0x3d/0xcf [ 1149.686278] [] ? i8042_toggle_aux+0x126/0x126 [ 1149.721438] [] do_one_initcall+0x16d/0x258 [ 1149.776375] [] ? initcall_blacklisted+0x198/0x198 [ 1149.812543] [] ? up_write+0x8c/0xd9 [ 1149.852881] [] ? down_write_trylock+0x100/0x100 [ 1149.857985] usb 1-2: new full-speed USB device number 3 using uhci_hcd [ 1149.933673] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1149.978351] [] kernel_init_freeable+0x457/0x518 [ 1150.015992] [] kernel_init+0x16/0x181 [ 1150.049327] [] ret_from_fork+0x1f/0x40 [ 1150.086129] [] ? rest_init+0x8f/0x8f [ 1150.130501] ================================================================================ [ 1150.183251] ================================================================================ [ 1150.231329] UBSAN: Undefined behaviour in kernel/irq/pm.c:60:6 [ 1150.264809] member access within misaligned address ffff88005d0a7c38 for type 'struct irq_desc' [ 1150.328102] which requires 64 byte alignment [ 1150.351711] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1150.398937] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1150.460689] 00000000ffffffff 00000000b1a89c60 ffff88005c9df808 ffffffffb26ec5cc [ 1150.512372] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1150.562291] ffffffff00000010 ffff88005c9df830 ffff88005c9df7e0 ffffffffb363c3e0 [ 1150.617005] Call Trace: [ 1150.632049] [] dump_stack+0xd7/0x132 [ 1150.663525] [] ? arch_local_irq_restore+0x1b/0x1b [ 1150.707018] [] ubsan_epilogue+0x12/0x53 [ 1150.743136] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1150.787182] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1150.835598] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1150.885881] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1150.932619] [] irq_pm_remove_action+0x32/0x1ef [ 1150.967167] [] __free_irq+0x199/0x5dd [ 1151.004196] [] free_irq+0xe0/0x11b [ 1151.037658] [] i8042_probe+0x62c/0xc59 [ 1151.073348] [] ? i8042_create_aux_port+0x363/0x363 [ 1151.109193] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1151.158088] [] ? platform_device_unregister+0x25/0x25 [ 1151.199370] [] ? i8042_create_aux_port+0x363/0x363 [ 1151.246349] [] platform_drv_probe+0xd3/0x17a [ 1151.284823] [] ? platform_device_unregister+0x25/0x25 [ 1151.329360] [] driver_probe_device+0x654/0xe96 [ 1151.367319] [] ? platform_uevent+0x84/0x84 [ 1151.399188] [] ? driver_probe_device+0xe96/0xe96 [ 1151.446890] [] __driver_attach+0x1b0/0x262 [ 1151.489362] [] bus_for_each_dev+0x163/0x1b9 [ 1151.519735] [] ? next_device+0x65/0x65 [ 1151.559223] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1151.597504] [] driver_attach+0x49/0x4c [ 1151.638332] [] bus_add_driver+0x2be/0x62c [ 1151.674755] [] driver_register+0x2c2/0x353 [ 1151.715412] [] ? i8042_create_aux_port+0x363/0x363 [ 1151.755148] [] __platform_driver_register+0xee/0xf3 [ 1151.800642] [] __platform_driver_probe+0x137/0x2f0 [ 1151.851995] [] __platform_create_bundle+0xc1/0x113 [ 1151.889445] [] ? i8042_create_aux_port+0x363/0x363 [ 1151.930450] [] i8042_init+0x657/0x715 [ 1151.967114] [] ? i8042_toggle_aux+0x126/0x126 [ 1152.004246] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1152.044946] [] ? led_trigger_rename_static+0x9e/0x9e [ 1152.089922] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1152.126932] [] ? led_trigger_register_simple+0x3d/0xcf [ 1152.168529] [] ? i8042_toggle_aux+0x126/0x126 [ 1152.216450] [] do_one_initcall+0x16d/0x258 [ 1152.253372] [] ? initcall_blacklisted+0x198/0x198 [ 1152.292193] [] ? up_write+0x8c/0xd9 [ 1152.329553] [] ? down_write_trylock+0x100/0x100 [ 1152.366958] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1152.412299] [] kernel_init_freeable+0x457/0x518 [ 1152.445868] [] kernel_init+0x16/0x181 [ 1152.485813] [] ret_from_fork+0x1f/0x40 [ 1152.524598] [] ? rest_init+0x8f/0x8f [ 1152.558643] ================================================================================ [ 1152.616379] ================================================================================ [ 1152.672105] UBSAN: Undefined behaviour in kernel/irq/pm.c:60:18 [ 1152.710036] member access within misaligned address ffff88005d0a7c38 for type 'struct irq_desc' [ 1152.770576] which requires 64 byte alignment [ 1152.795989] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1152.840563] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1152.912475] 00000000ffffffff 00000000b1a89c60 ffff88005c9df808 ffffffffb26ec5cc [ 1152.965575] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1153.013092] ffffffff00000010 ffff88005c9df830 ffff88005c9df7e0 ffffffffb363c3e0 [ 1153.061395] Call Trace: [ 1153.075070] [] dump_stack+0xd7/0x132 [ 1153.109201] [] ? arch_local_irq_restore+0x1b/0x1b [ 1153.149515] [] ubsan_epilogue+0x12/0x53 [ 1153.182320] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1153.210561] usb 1-2: New USB device found, idVendor=0409, idProduct=55aa [ 1153.210568] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1153.210573] usb 1-2: Product: QEMU USB Hub [ 1153.210602] usb 1-2: Manufacturer: QEMU [ 1153.210608] usb 1-2: SerialNumber: 314159-0000:00:01.2-2 [ 1153.411983] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1153.464327] hub 1-2:1.0: USB hub found [ 1153.491690] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1153.536491] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1153.583366] [] irq_pm_remove_action+0x61/0x1ef [ 1153.621240] [] __free_irq+0x199/0x5dd [ 1153.660548] [] free_irq+0xe0/0x11b [ 1153.694532] [] i8042_probe+0x62c/0xc59 [ 1153.707050] hub 1-2:1.0: 8 ports detected [ 1153.771210] [] ? i8042_create_aux_port+0x363/0x363 [ 1153.812081] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1153.855447] [] ? platform_device_unregister+0x25/0x25 [ 1153.899250] [] ? i8042_create_aux_port+0x363/0x363 [ 1153.990794] [] platform_drv_probe+0xd3/0x17a [ 1154.041396] [] ? platform_device_unregister+0x25/0x25 [ 1154.087849] [] driver_probe_device+0x654/0xe96 [ 1154.129652] [] ? platform_uevent+0x84/0x84 [ 1154.165177] [] ? driver_probe_device+0xe96/0xe96 [ 1154.207299] [] __driver_attach+0x1b0/0x262 [ 1154.267143] [] bus_for_each_dev+0x163/0x1b9 [ 1154.309519] [] ? next_device+0x65/0x65 [ 1154.347382] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1154.424103] [] driver_attach+0x49/0x4c [ 1154.458043] [] bus_add_driver+0x2be/0x62c [ 1154.491407] [] driver_register+0x2c2/0x353 [ 1154.529819] [] ? i8042_create_aux_port+0x363/0x363 [ 1154.571610] [] __platform_driver_register+0xee/0xf3 [ 1154.614892] [] __platform_driver_probe+0x137/0x2f0 [ 1154.657327] [] __platform_create_bundle+0xc1/0x113 [ 1154.699183] [] ? i8042_create_aux_port+0x363/0x363 [ 1154.743826] [] i8042_init+0x657/0x715 [ 1154.775192] [] ? i8042_toggle_aux+0x126/0x126 [ 1154.995385] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1155.043005] [] ? led_trigger_rename_static+0x9e/0x9e [ 1155.089232] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1155.135993] [] ? led_trigger_register_simple+0x3d/0xcf [ 1155.176486] [] ? i8042_toggle_aux+0x126/0x126 [ 1155.222432] [] do_one_initcall+0x16d/0x258 [ 1155.257018] [] ? initcall_blacklisted+0x198/0x198 [ 1155.293123] [] ? up_write+0x8c/0xd9 [ 1155.329796] [] ? down_write_trylock+0x100/0x100 [ 1155.366335] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1155.407058] [] kernel_init_freeable+0x457/0x518 [ 1155.445162] [] kernel_init+0x16/0x181 [ 1155.477500] [] ret_from_fork+0x1f/0x40 [ 1155.512687] [] ? rest_init+0x8f/0x8f [ 1155.543939] ================================================================================ [ 1155.602380] ================================================================================ [ 1155.654103] UBSAN: Undefined behaviour in kernel/irq/pm.c:62:12 [ 1155.691961] member access within misaligned address ffff88009ebab9d8 for type 'struct irqaction' [ 1155.748494] which requires 64 byte alignment [ 1155.775414] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1155.810216] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1155.864264] 00000000ffffffff 00000000b1a89c60 ffff88005c9df808 ffffffffb26ec5cc [ 1155.918116] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1155.964930] ffffffff00000010 ffff88005c9df830 ffff88005c9df7e0 ffffffffb363c3e0 [ 1156.005145] Call Trace: [ 1156.025389] [] dump_stack+0xd7/0x132 [ 1156.056426] [] ? arch_local_irq_restore+0x1b/0x1b [ 1156.099980] [] ubsan_epilogue+0x12/0x53 [ 1156.130525] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1156.179344] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1156.234422] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1156.275859] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1156.316420] [] irq_pm_remove_action+0x82/0x1ef [ 1156.358661] [] __free_irq+0x199/0x5dd [ 1156.386829] [] free_irq+0xe0/0x11b [ 1156.420417] [] i8042_probe+0x62c/0xc59 [ 1156.463094] [] ? i8042_create_aux_port+0x363/0x363 [ 1156.501847] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1156.533810] [] ? platform_device_unregister+0x25/0x25 [ 1156.577140] [] ? i8042_create_aux_port+0x363/0x363 [ 1156.617877] [] platform_drv_probe+0xd3/0x17a [ 1156.658550] [] ? platform_device_unregister+0x25/0x25 [ 1156.707214] [] driver_probe_device+0x654/0xe96 [ 1156.744079] [] ? platform_uevent+0x84/0x84 [ 1156.780950] [] ? driver_probe_device+0xe96/0xe96 [ 1156.815467] [] __driver_attach+0x1b0/0x262 [ 1156.855702] [] bus_for_each_dev+0x163/0x1b9 [ 1156.889078] [] ? next_device+0x65/0x65 [ 1156.924741] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1156.963884] [] driver_attach+0x49/0x4c [ 1157.001221] [] bus_add_driver+0x2be/0x62c [ 1157.040096] [] driver_register+0x2c2/0x353 [ 1157.074256] [] ? i8042_create_aux_port+0x363/0x363 [ 1157.123879] [] __platform_driver_register+0xee/0xf3 [ 1157.158183] [] __platform_driver_probe+0x137/0x2f0 [ 1157.198321] [] __platform_create_bundle+0xc1/0x113 [ 1157.267187] [] ? i8042_create_aux_port+0x363/0x363 [ 1157.306295] [] i8042_init+0x657/0x715 [ 1157.343462] [] ? i8042_toggle_aux+0x126/0x126 [ 1157.375620] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1157.418971] [] ? led_trigger_rename_static+0x9e/0x9e [ 1157.464264] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1157.514663] [] ? led_trigger_register_simple+0x3d/0xcf [ 1157.561182] [] ? i8042_toggle_aux+0x126/0x126 [ 1157.595148] [] do_one_initcall+0x16d/0x258 [ 1157.629793] [] ? initcall_blacklisted+0x198/0x198 [ 1157.678986] [] ? up_write+0x8c/0xd9 [ 1157.704531] [] ? down_write_trylock+0x100/0x100 [ 1157.755733] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1157.797054] [] kernel_init_freeable+0x457/0x518 [ 1157.836209] [] kernel_init+0x16/0x181 [ 1157.870019] [] ret_from_fork+0x1f/0x40 [ 1157.903929] [] ? rest_init+0x8f/0x8f [ 1157.936172] ================================================================================ [ 1157.986915] ================================================================================ [ 1158.045162] UBSAN: Undefined behaviour in kernel/irq/pm.c:65:12 [ 1158.089385] member access within misaligned address ffff88009ebab9d8 for type 'struct irqaction' [ 1158.146869] which requires 64 byte alignment [ 1158.173323] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1158.212837] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1158.276543] 00000000ffffffff 00000000b1a89c60 ffff88005c9df808 ffffffffb26ec5cc [ 1158.320027] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1158.365899] ffffffff00000010 ffff88005c9df830 ffff88005c9df7e0 ffffffffb363c3e0 [ 1158.411884] Call Trace: [ 1158.433382] [] dump_stack+0xd7/0x132 [ 1158.462672] [] ? arch_local_irq_restore+0x1b/0x1b [ 1158.502644] [] ubsan_epilogue+0x12/0x53 [ 1158.539385] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1158.579905] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1158.627575] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1158.675052] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1158.718370] [] irq_pm_remove_action+0x107/0x1ef [ 1158.754021] [] __free_irq+0x199/0x5dd [ 1158.795612] [] free_irq+0xe0/0x11b [ 1158.825052] [] i8042_probe+0x62c/0xc59 [ 1158.862978] [] ? i8042_create_aux_port+0x363/0x363 [ 1158.909231] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1158.963212] [] ? platform_device_unregister+0x25/0x25 [ 1159.007147] [] ? i8042_create_aux_port+0x363/0x363 [ 1159.049329] [] platform_drv_probe+0xd3/0x17a [ 1159.086414] [] ? platform_device_unregister+0x25/0x25 [ 1159.128207] [] driver_probe_device+0x654/0xe96 [ 1159.172073] [] ? platform_uevent+0x84/0x84 [ 1159.211284] [] ? driver_probe_device+0xe96/0xe96 [ 1159.257208] [] __driver_attach+0x1b0/0x262 [ 1159.295929] [] bus_for_each_dev+0x163/0x1b9 [ 1159.335068] [] ? next_device+0x65/0x65 [ 1159.366851] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1159.407529] [] driver_attach+0x49/0x4c [ 1159.447408] [] bus_add_driver+0x2be/0x62c [ 1159.470134] usb 1-2.1: new full-speed USB device number 4 using uhci_hcd [ 1159.523594] [] driver_register+0x2c2/0x353 [ 1159.568268] [] ? i8042_create_aux_port+0x363/0x363 [ 1159.610479] [] __platform_driver_register+0xee/0xf3 [ 1159.647734] [] __platform_driver_probe+0x137/0x2f0 [ 1159.689630] [] __platform_create_bundle+0xc1/0x113 [ 1159.733898] [] ? i8042_create_aux_port+0x363/0x363 [ 1159.773459] [] i8042_init+0x657/0x715 [ 1159.810313] [] ? i8042_toggle_aux+0x126/0x126 [ 1159.850513] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1159.888840] [] ? led_trigger_rename_static+0x9e/0x9e [ 1159.934570] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1159.972481] [] ? led_trigger_register_simple+0x3d/0xcf [ 1160.009723] [] ? i8042_toggle_aux+0x126/0x126 [ 1160.046836] [] do_one_initcall+0x16d/0x258 [ 1160.085708] [] ? initcall_blacklisted+0x198/0x198 [ 1160.119192] [] ? up_write+0x8c/0xd9 [ 1160.155223] [] ? down_write_trylock+0x100/0x100 [ 1160.195643] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1160.240234] [] kernel_init_freeable+0x457/0x518 [ 1160.282777] [] kernel_init+0x16/0x181 [ 1160.318417] [] ret_from_fork+0x1f/0x40 [ 1160.352236] [] ? rest_init+0x8f/0x8f [ 1160.380246] ================================================================================ [ 1160.431248] ================================================================================ [ 1160.481531] UBSAN: Undefined behaviour in kernel/irq/pm.c:67:17 [ 1160.520609] member access within misaligned address ffff88009ebab9d8 for type 'struct irqaction' [ 1160.583204] which requires 64 byte alignment [ 1160.603712] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1160.643871] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1160.701105] 00000000ffffffff 00000000b1a89c60 ffff88005c9df808 ffffffffb26ec5cc [ 1160.750917] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1160.802149] ffffffff00000010 ffff88005c9df830 ffff88005c9df7e0 ffffffffb363c3e0 [ 1160.856644] Call Trace: [ 1160.872893] [] dump_stack+0xd7/0x132 [ 1160.912204] [] ? arch_local_irq_restore+0x1b/0x1b [ 1160.947866] [] ubsan_epilogue+0x12/0x53 [ 1160.983534] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1161.030028] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1161.073904] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1161.120652] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1161.172037] [] irq_pm_remove_action+0x188/0x1ef [ 1161.209695] [] __free_irq+0x199/0x5dd [ 1161.237042] [] free_irq+0xe0/0x11b [ 1161.266656] [] i8042_probe+0x62c/0xc59 [ 1161.301155] [] ? i8042_create_aux_port+0x363/0x363 [ 1161.346201] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1161.384974] [] ? platform_device_unregister+0x25/0x25 [ 1161.435677] [] ? i8042_create_aux_port+0x363/0x363 [ 1161.477590] [] platform_drv_probe+0xd3/0x17a [ 1161.513403] [] ? platform_device_unregister+0x25/0x25 [ 1161.567708] [] driver_probe_device+0x654/0xe96 [ 1161.597491] [] ? platform_uevent+0x84/0x84 [ 1161.631677] [] ? driver_probe_device+0xe96/0xe96 [ 1161.669497] [] __driver_attach+0x1b0/0x262 [ 1161.707473] [] bus_for_each_dev+0x163/0x1b9 [ 1161.752957] [] ? next_device+0x65/0x65 [ 1161.785494] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1161.817252] [] driver_attach+0x49/0x4c [ 1161.854566] [] bus_add_driver+0x2be/0x62c [ 1161.889035] [] driver_register+0x2c2/0x353 [ 1161.928299] [] ? i8042_create_aux_port+0x363/0x363 [ 1161.967885] [] __platform_driver_register+0xee/0xf3 [ 1162.008042] [] __platform_driver_probe+0x137/0x2f0 [ 1162.047324] [] __platform_create_bundle+0xc1/0x113 [ 1162.089016] [] ? i8042_create_aux_port+0x363/0x363 [ 1162.132038] [] i8042_init+0x657/0x715 [ 1162.158643] [] ? i8042_toggle_aux+0x126/0x126 [ 1162.196333] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1162.241314] [] ? led_trigger_rename_static+0x9e/0x9e [ 1162.278069] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1162.321677] [] ? led_trigger_register_simple+0x3d/0xcf [ 1162.369454] [] ? i8042_toggle_aux+0x126/0x126 [ 1162.404388] [] do_one_initcall+0x16d/0x258 [ 1162.441939] [] ? initcall_blacklisted+0x198/0x198 [ 1162.487319] [] ? up_write+0x8c/0xd9 [ 1162.520247] [] ? down_write_trylock+0x100/0x100 [ 1162.560818] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1162.605470] [] kernel_init_freeable+0x457/0x518 [ 1162.647202] [] kernel_init+0x16/0x181 [ 1162.681824] [] ret_from_fork+0x1f/0x40 [ 1162.711834] [] ? rest_init+0x8f/0x8f [ 1162.749586] ================================================================================ [ 1162.801233] ================================================================================ [ 1162.849495] UBSAN: Undefined behaviour in kernel/irq/manage.c:1501:11 [ 1162.889682] member access within misaligned address ffff88005d0a7c38 for type 'struct irq_desc' [ 1162.957259] which requires 64 byte alignment [ 1162.984681] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1163.030502] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1163.088809] 00000000ffffffff 00000000b1a89c60 ffff88005c9df830 ffffffffb26ec5cc [ 1163.144012] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1163.189490] 0000000000000010 ffff88005c9df858 ffff88005c9df808 ffffffffb363c3e0 [ 1163.229986] Call Trace: [ 1163.244626] [] dump_stack+0xd7/0x132 [ 1163.278831] [] ? arch_local_irq_restore+0x1b/0x1b [ 1163.329234] [] ubsan_epilogue+0x12/0x53 [ 1163.364092] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1163.402412] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1163.456912] [] __free_irq+0x1b3/0x5dd [ 1163.489789] [] free_irq+0xe0/0x11b [ 1163.523171] [] i8042_probe+0x62c/0xc59 [ 1163.555840] [] ? i8042_create_aux_port+0x363/0x363 [ 1163.589089] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1163.626366] usb 1-2.1: New USB device found, idVendor=0627, idProduct=0001 [ 1163.626374] usb 1-2.1: New USB device strings: Mfr=1, Product=3, SerialNumber=5 [ 1163.626379] usb 1-2.1: Product: QEMU USB Tablet [ 1163.626384] usb 1-2.1: Manufacturer: QEMU [ 1163.626389] usb 1-2.1: SerialNumber: 42 [ 1163.804730] [] ? platform_device_unregister+0x25/0x25 [ 1163.847365] [] ? i8042_create_aux_port+0x363/0x363 [ 1163.888838] [] platform_drv_probe+0xd3/0x17a [ 1163.928179] [] ? platform_device_unregister+0x25/0x25 [ 1163.972192] [] driver_probe_device+0x654/0xe96 [ 1164.012113] [] ? platform_uevent+0x84/0x84 [ 1164.046480] [] ? driver_probe_device+0xe96/0xe96 [ 1164.087170] [] __driver_attach+0x1b0/0x262 [ 1164.123026] [] bus_for_each_dev+0x163/0x1b9 [ 1164.160443] [] ? next_device+0x65/0x65 [ 1164.193921] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1164.234973] [] driver_attach+0x49/0x4c [ 1164.273274] [] bus_add_driver+0x2be/0x62c [ 1164.315334] [] driver_register+0x2c2/0x353 [ 1164.349451] [] ? i8042_create_aux_port+0x363/0x363 [ 1164.400895] [] __platform_driver_register+0xee/0xf3 [ 1164.443465] [] __platform_driver_probe+0x137/0x2f0 [ 1164.483243] [] __platform_create_bundle+0xc1/0x113 [ 1164.526883] [] ? i8042_create_aux_port+0x363/0x363 [ 1164.565691] [] i8042_init+0x657/0x715 [ 1164.598479] [] ? i8042_toggle_aux+0x126/0x126 [ 1164.643808] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1164.681333] [] ? led_trigger_rename_static+0x9e/0x9e [ 1164.726916] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1164.772469] [] ? led_trigger_register_simple+0x3d/0xcf [ 1164.809363] [] ? i8042_toggle_aux+0x126/0x126 [ 1164.851184] [] do_one_initcall+0x16d/0x258 [ 1164.884418] [] ? initcall_blacklisted+0x198/0x198 [ 1164.928845] [] ? up_write+0x8c/0xd9 [ 1164.956032] [] ? down_write_trylock+0x100/0x100 [ 1164.997555] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1165.036194] [] kernel_init_freeable+0x457/0x518 [ 1165.072180] [] kernel_init+0x16/0x181 [ 1165.105643] [] ret_from_fork+0x1f/0x40 [ 1165.143755] [] ? rest_init+0x8f/0x8f [ 1165.173147] ================================================================================ [ 1165.232880] ================================================================================ [ 1165.283543] UBSAN: Undefined behaviour in kernel/irq/settings.h:167:29 [ 1165.321976] member access within misaligned address ffff88005d0a7c38 for type 'struct irq_desc' [ 1165.375019] which requires 64 byte alignment [ 1165.403685] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1165.450283] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1165.514954] 00000000ffffffff 00000000b1a89c60 ffff88005c9df830 ffffffffb26ec5cc [ 1165.554811] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1165.598560] 0000000000000010 ffff88005c9df858 ffff88005c9df808 ffffffffb363c3e0 [ 1165.646127] Call Trace: [ 1165.658603] [] dump_stack+0xd7/0x132 [ 1165.691997] [] ? arch_local_irq_restore+0x1b/0x1b [ 1165.734936] [] ubsan_epilogue+0x12/0x53 [ 1165.770652] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1165.819603] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1165.863201] [] __free_irq+0x1ef/0x5dd [ 1165.899201] [] free_irq+0xe0/0x11b [ 1165.924198] [] i8042_probe+0x62c/0xc59 [ 1165.958096] [] ? i8042_create_aux_port+0x363/0x363 [ 1165.993128] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1166.031922] [] ? platform_device_unregister+0x25/0x25 [ 1166.074160] [] ? i8042_create_aux_port+0x363/0x363 [ 1166.114599] [] platform_drv_probe+0xd3/0x17a [ 1166.148790] [] ? platform_device_unregister+0x25/0x25 [ 1166.188441] [] driver_probe_device+0x654/0xe96 [ 1166.234344] [] ? platform_uevent+0x84/0x84 [ 1166.264814] [] ? driver_probe_device+0xe96/0xe96 [ 1166.307543] [] __driver_attach+0x1b0/0x262 [ 1166.336858] [] bus_for_each_dev+0x163/0x1b9 [ 1166.379831] [] ? next_device+0x65/0x65 [ 1166.412769] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1166.456639] [] driver_attach+0x49/0x4c [ 1166.492307] [] bus_add_driver+0x2be/0x62c [ 1166.530546] [] driver_register+0x2c2/0x353 [ 1166.564957] [] ? i8042_create_aux_port+0x363/0x363 [ 1166.603940] [] __platform_driver_register+0xee/0xf3 [ 1166.643530] [] __platform_driver_probe+0x137/0x2f0 [ 1166.686936] [] __platform_create_bundle+0xc1/0x113 [ 1166.725959] [] ? i8042_create_aux_port+0x363/0x363 [ 1166.769718] [] i8042_init+0x657/0x715 [ 1166.811343] [] ? i8042_toggle_aux+0x126/0x126 [ 1166.848510] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1166.893436] [] ? led_trigger_rename_static+0x9e/0x9e [ 1166.932594] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1166.966479] [] ? led_trigger_register_simple+0x3d/0xcf [ 1167.011587] [] ? i8042_toggle_aux+0x126/0x126 [ 1167.047529] [] do_one_initcall+0x16d/0x258 [ 1167.082716] [] ? initcall_blacklisted+0x198/0x198 [ 1167.120530] [] ? up_write+0x8c/0xd9 [ 1167.153822] [] ? down_write_trylock+0x100/0x100 [ 1167.188064] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1167.229207] [] kernel_init_freeable+0x457/0x518 [ 1167.270512] [] kernel_init+0x16/0x181 [ 1167.298354] [] ret_from_fork+0x1f/0x40 [ 1167.335818] [] ? rest_init+0x8f/0x8f [ 1167.365645] ================================================================================ [ 1167.417984] ================================================================================ [ 1167.514281] UBSAN: Undefined behaviour in kernel/irq/settings.h:167:29 [ 1167.575604] member access within misaligned address ffff88005d0a7c38 for type 'struct irq_desc' [ 1167.664197] which requires 64 byte alignment [ 1167.689485] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1167.727382] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1167.786718] 00000000ffffffff 00000000b1a89c60 ffff88005c9df830 ffffffffb26ec5cc [ 1167.828967] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1167.886093] 0000000000000010 ffff88005c9df858 ffff88005c9df808 ffffffffb363c3e0 [ 1167.935261] Call Trace: [ 1167.953136] [] dump_stack+0xd7/0x132 [ 1167.990677] [] ? arch_local_irq_restore+0x1b/0x1b [ 1168.042613] [] ubsan_epilogue+0x12/0x53 [ 1168.082296] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1168.123384] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1168.170417] [] __free_irq+0x225/0x5dd [ 1168.210779] [] free_irq+0xe0/0x11b [ 1168.247160] [] i8042_probe+0x62c/0xc59 [ 1168.282536] [] ? i8042_create_aux_port+0x363/0x363 [ 1168.324235] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1168.374039] [] ? platform_device_unregister+0x25/0x25 [ 1168.419644] [] ? i8042_create_aux_port+0x363/0x363 [ 1168.463481] [] platform_drv_probe+0xd3/0x17a [ 1168.506558] [] ? platform_device_unregister+0x25/0x25 [ 1168.554549] [] driver_probe_device+0x654/0xe96 [ 1168.607185] [] ? platform_uevent+0x84/0x84 [ 1168.647507] [] ? driver_probe_device+0xe96/0xe96 [ 1168.691495] [] __driver_attach+0x1b0/0x262 [ 1168.730580] [] bus_for_each_dev+0x163/0x1b9 [ 1168.771135] [] ? next_device+0x65/0x65 [ 1168.808585] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1168.855867] [] driver_attach+0x49/0x4c [ 1168.893354] [] bus_add_driver+0x2be/0x62c [ 1168.927377] [] driver_register+0x2c2/0x353 [ 1168.967165] [] ? i8042_create_aux_port+0x363/0x363 [ 1169.010131] [] __platform_driver_register+0xee/0xf3 [ 1169.109457] [] __platform_driver_probe+0x137/0x2f0 [ 1169.163597] [] __platform_create_bundle+0xc1/0x113 [ 1169.207992] [] ? i8042_create_aux_port+0x363/0x363 [ 1169.256636] [] i8042_init+0x657/0x715 [ 1169.298940] [] ? i8042_toggle_aux+0x126/0x126 [ 1169.335194] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1169.379724] [] ? led_trigger_rename_static+0x9e/0x9e [ 1169.423651] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1169.466911] [] ? led_trigger_register_simple+0x3d/0xcf [ 1169.515627] [] ? i8042_toggle_aux+0x126/0x126 [ 1169.556776] [] do_one_initcall+0x16d/0x258 [ 1169.599743] [] ? initcall_blacklisted+0x198/0x198 [ 1169.643495] [] ? up_write+0x8c/0xd9 [ 1169.680281] [] ? down_write_trylock+0x100/0x100 [ 1169.723631] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1169.771741] [] kernel_init_freeable+0x457/0x518 [ 1169.811331] [] kernel_init+0x16/0x181 [ 1169.845266] [] ret_from_fork+0x1f/0x40 [ 1169.882846] [] ? rest_init+0x8f/0x8f [ 1169.916966] ================================================================================ [ 1169.976037] ================================================================================ [ 1170.035950] UBSAN: Undefined behaviour in kernel/irq/chip.c:211:14 [ 1170.084816] member access within misaligned address ffff88005d0a7c38 for type 'struct irq_desc' [ 1170.156513] which requires 64 byte alignment [ 1170.195434] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1170.231719] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1170.300362] 00000000ffffffff 00000000b1a89c60 ffff88005c9df800 ffffffffb26ec5cc [ 1170.352516] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1170.407302] ffffffff00000010 ffff88005c9df828 ffff88005c9df7d8 ffffffffb363c3e0 [ 1170.464097] Call Trace: [ 1170.484194] [] dump_stack+0xd7/0x132 [ 1170.526144] [] ? arch_local_irq_restore+0x1b/0x1b [ 1170.566490] [] ubsan_epilogue+0x12/0x53 [ 1170.606255] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1170.650798] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1170.697647] [] irq_shutdown+0x42/0x1de [ 1170.734215] [] __free_irq+0x235/0x5dd [ 1170.772131] [] free_irq+0xe0/0x11b [ 1170.810307] [] i8042_probe+0x62c/0xc59 [ 1170.843782] [] ? i8042_create_aux_port+0x363/0x363 [ 1170.886494] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1170.924930] [] ? platform_device_unregister+0x25/0x25 [ 1170.962676] [] ? i8042_create_aux_port+0x363/0x363 [ 1171.003702] [] platform_drv_probe+0xd3/0x17a [ 1171.048596] [] ? platform_device_unregister+0x25/0x25 [ 1171.091157] [] driver_probe_device+0x654/0xe96 [ 1171.133484] [] ? platform_uevent+0x84/0x84 [ 1171.172169] [] ? driver_probe_device+0xe96/0xe96 [ 1171.209489] [] __driver_attach+0x1b0/0x262 [ 1171.251731] [] bus_for_each_dev+0x163/0x1b9 [ 1171.284211] [] ? next_device+0x65/0x65 [ 1171.327224] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1171.363043] [] driver_attach+0x49/0x4c [ 1171.394934] [] bus_add_driver+0x2be/0x62c [ 1171.435801] [] driver_register+0x2c2/0x353 [ 1171.470811] [] ? i8042_create_aux_port+0x363/0x363 [ 1171.503594] [] __platform_driver_register+0xee/0xf3 [ 1171.538476] [] __platform_driver_probe+0x137/0x2f0 [ 1171.583733] [] __platform_create_bundle+0xc1/0x113 [ 1171.622332] [] ? i8042_create_aux_port+0x363/0x363 [ 1171.656406] [] i8042_init+0x657/0x715 [ 1171.695297] [] ? i8042_toggle_aux+0x126/0x126 [ 1171.732768] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1171.775467] [] ? led_trigger_rename_static+0x9e/0x9e [ 1171.811412] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1171.856541] [] ? led_trigger_register_simple+0x3d/0xcf [ 1171.903968] [] ? i8042_toggle_aux+0x126/0x126 [ 1171.943813] [] do_one_initcall+0x16d/0x258 [ 1171.983677] [] ? initcall_blacklisted+0x198/0x198 [ 1172.042394] [] ? up_write+0x8c/0xd9 [ 1172.080417] [] ? down_write_trylock+0x100/0x100 [ 1172.128415] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1172.171596] [] kernel_init_freeable+0x457/0x518 [ 1172.218715] [] kernel_init+0x16/0x181 [ 1172.251070] [] ret_from_fork+0x1f/0x40 [ 1172.290258] [] ? rest_init+0x8f/0x8f [ 1172.323610] ================================================================================ [ 1172.378985] ================================================================================ [ 1172.441216] UBSAN: Undefined behaviour in kernel/irq/chip.c:212:20 [ 1172.483066] member access within misaligned address ffff88005d0a7c38 for type 'struct irq_desc' [ 1172.541037] which requires 64 byte alignment [ 1172.573034] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1172.612520] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1172.676755] 00000000ffffffff 00000000b1a89c60 ffff88005c9df800 ffffffffb26ec5cc [ 1172.726568] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1172.778932] ffffffff00000010 ffff88005c9df828 ffff88005c9df7d8 ffffffffb363c3e0 [ 1172.832375] Call Trace: [ 1172.847584] [] dump_stack+0xd7/0x132 [ 1172.886987] [] ? arch_local_irq_restore+0x1b/0x1b [ 1172.930637] [] ubsan_epilogue+0x12/0x53 [ 1172.964069] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1173.014238] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1173.064681] [] irq_shutdown+0x71/0x1de [ 1173.100812] [] __free_irq+0x235/0x5dd [ 1173.138781] [] free_irq+0xe0/0x11b [ 1173.175316] [] i8042_probe+0x62c/0xc59 [ 1173.213756] [] ? i8042_create_aux_port+0x363/0x363 [ 1173.254272] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1173.294593] [] ? platform_device_unregister+0x25/0x25 [ 1173.339239] [] ? i8042_create_aux_port+0x363/0x363 [ 1173.376707] [] platform_drv_probe+0xd3/0x17a [ 1173.416418] [] ? platform_device_unregister+0x25/0x25 [ 1173.462009] [] driver_probe_device+0x654/0xe96 [ 1173.503342] [] ? platform_uevent+0x84/0x84 [ 1173.542271] [] ? driver_probe_device+0xe96/0xe96 [ 1173.587369] [] __driver_attach+0x1b0/0x262 [ 1173.624265] [] bus_for_each_dev+0x163/0x1b9 [ 1173.666869] [] ? next_device+0x65/0x65 [ 1173.704176] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1173.749300] [] driver_attach+0x49/0x4c [ 1173.779220] [] bus_add_driver+0x2be/0x62c [ 1173.822201] [] driver_register+0x2c2/0x353 [ 1173.856710] [] ? i8042_create_aux_port+0x363/0x363 [ 1173.900002] [] __platform_driver_register+0xee/0xf3 [ 1173.939841] [] __platform_driver_probe+0x137/0x2f0 [ 1173.987352] [] __platform_create_bundle+0xc1/0x113 [ 1174.027245] [] ? i8042_create_aux_port+0x363/0x363 [ 1174.076472] [] i8042_init+0x657/0x715 [ 1174.114367] [] ? i8042_toggle_aux+0x126/0x126 [ 1174.163481] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1174.212064] [] ? led_trigger_rename_static+0x9e/0x9e [ 1174.258194] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1174.304801] [] ? led_trigger_register_simple+0x3d/0xcf [ 1174.349525] [] ? i8042_toggle_aux+0x126/0x126 [ 1174.394129] [] do_one_initcall+0x16d/0x258 [ 1174.441190] [] ? initcall_blacklisted+0x198/0x198 [ 1174.486673] [] ? up_write+0x8c/0xd9 [ 1174.522813] [] ? down_write_trylock+0x100/0x100 [ 1174.566719] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1174.615997] [] kernel_init_freeable+0x457/0x518 [ 1174.657442] [] kernel_init+0x16/0x181 [ 1174.690606] [] ret_from_fork+0x1f/0x40 [ 1174.734198] [] ? rest_init+0x8f/0x8f [ 1174.771851] ================================================================================ [ 1174.829773] ================================================================================ [ 1174.891216] UBSAN: Undefined behaviour in kernel/irq/chip.c:214:25 [ 1174.934120] member access within misaligned address ffff88005d0a7c38 for type 'struct irq_desc' [ 1174.986499] which requires 64 byte alignment [ 1175.008847] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1175.050688] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1175.104413] 00000000ffffffff 00000000b1a89c60 ffff88005c9df800 ffffffffb26ec5cc [ 1175.153617] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1175.202462] ffffffff00000010 ffff88005c9df828 ffff88005c9df7d8 ffffffffb363c3e0 [ 1175.250973] Call Trace: [ 1175.266605] [] dump_stack+0xd7/0x132 [ 1175.302253] [] ? arch_local_irq_restore+0x1b/0x1b [ 1175.342570] [] ubsan_epilogue+0x12/0x53 [ 1175.379668] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1175.418314] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1175.469604] [] irq_shutdown+0x103/0x1de [ 1175.505173] [] __free_irq+0x235/0x5dd [ 1175.543117] [] free_irq+0xe0/0x11b [ 1175.571425] [] i8042_probe+0x62c/0xc59 [ 1175.607796] [] ? i8042_create_aux_port+0x363/0x363 [ 1175.640891] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1175.680850] [] ? platform_device_unregister+0x25/0x25 [ 1175.722910] [] ? i8042_create_aux_port+0x363/0x363 [ 1175.770420] [] platform_drv_probe+0xd3/0x17a [ 1175.806723] [] ? platform_device_unregister+0x25/0x25 [ 1175.858615] [] driver_probe_device+0x654/0xe96 [ 1175.906463] [] ? platform_uevent+0x84/0x84 [ 1175.949402] [] ? driver_probe_device+0xe96/0xe96 [ 1175.987394] [] __driver_attach+0x1b0/0x262 [ 1176.024474] [] bus_for_each_dev+0x163/0x1b9 [ 1176.059982] [] ? next_device+0x65/0x65 [ 1176.093960] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1176.130536] [] driver_attach+0x49/0x4c [ 1176.169010] [] bus_add_driver+0x2be/0x62c [ 1176.207158] [] driver_register+0x2c2/0x353 [ 1176.246821] [] ? i8042_create_aux_port+0x363/0x363 [ 1176.288277] [] __platform_driver_register+0xee/0xf3 [ 1176.326216] [] __platform_driver_probe+0x137/0x2f0 [ 1176.371748] [] __platform_create_bundle+0xc1/0x113 [ 1176.407254] [] ? i8042_create_aux_port+0x363/0x363 [ 1176.448055] [] i8042_init+0x657/0x715 [ 1176.481323] [] ? i8042_toggle_aux+0x126/0x126 [ 1176.522838] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1176.565184] [] ? led_trigger_rename_static+0x9e/0x9e [ 1176.606904] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1176.645390] [] ? led_trigger_register_simple+0x3d/0xcf [ 1176.683014] [] ? i8042_toggle_aux+0x126/0x126 [ 1176.724986] [] do_one_initcall+0x16d/0x258 [ 1176.756837] [] ? initcall_blacklisted+0x198/0x198 [ 1176.802565] [] ? up_write+0x8c/0xd9 [ 1176.836585] [] ? down_write_trylock+0x100/0x100 [ 1176.877165] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1176.923083] [] kernel_init_freeable+0x457/0x518 [ 1176.962955] [] kernel_init+0x16/0x181 [ 1176.990111] [] ret_from_fork+0x1f/0x40 [ 1177.026107] [] ? rest_init+0x8f/0x8f [ 1177.055122] ================================================================================ [ 1177.109726] ================================================================================ [ 1177.167034] UBSAN: Undefined behaviour in kernel/irq/chip.c:217:17 [ 1177.207018] member access within misaligned address ffff88005d0a7c38 for type 'struct irq_desc' [ 1177.256187] which requires 64 byte alignment [ 1177.279809] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1177.317690] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1177.382735] 00000000ffffffff 00000000b1a89c60 ffff88005c9df800 ffffffffb26ec5cc [ 1177.454644] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1177.501604] ffffffff00000010 ffff88005c9df828 ffff88005c9df7d8 ffffffffb363c3e0 [ 1177.549267] Call Trace: [ 1177.562900] [] dump_stack+0xd7/0x132 [ 1177.595633] [] ? arch_local_irq_restore+0x1b/0x1b [ 1177.635549] [] ubsan_epilogue+0x12/0x53 [ 1177.668712] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1177.707171] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1177.754216] [] irq_shutdown+0x18f/0x1de [ 1177.793948] [] __free_irq+0x235/0x5dd [ 1177.828328] [] free_irq+0xe0/0x11b [ 1177.857553] [] i8042_probe+0x62c/0xc59 [ 1177.897438] [] ? i8042_create_aux_port+0x363/0x363 [ 1177.940280] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1177.977307] [] ? platform_device_unregister+0x25/0x25 [ 1178.026485] [] ? i8042_create_aux_port+0x363/0x363 [ 1178.065786] [] platform_drv_probe+0xd3/0x17a [ 1178.105241] [] ? platform_device_unregister+0x25/0x25 [ 1178.147860] [] driver_probe_device+0x654/0xe96 [ 1178.186929] [] ? platform_uevent+0x84/0x84 [ 1178.225578] [] ? driver_probe_device+0xe96/0xe96 [ 1178.260103] [] __driver_attach+0x1b0/0x262 [ 1178.292866] [] bus_for_each_dev+0x163/0x1b9 [ 1178.328558] [] ? next_device+0x65/0x65 [ 1178.362702] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1178.403099] [] driver_attach+0x49/0x4c [ 1178.437718] [] bus_add_driver+0x2be/0x62c [ 1178.472149] [] driver_register+0x2c2/0x353 [ 1178.507595] [] ? i8042_create_aux_port+0x363/0x363 [ 1178.547528] [] __platform_driver_register+0xee/0xf3 [ 1178.593342] [] __platform_driver_probe+0x137/0x2f0 [ 1178.627117] [] __platform_create_bundle+0xc1/0x113 [ 1178.675695] [] ? i8042_create_aux_port+0x363/0x363 [ 1178.718448] [] i8042_init+0x657/0x715 [ 1178.749426] [] ? i8042_toggle_aux+0x126/0x126 [ 1178.790537] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1178.834804] [] ? led_trigger_rename_static+0x9e/0x9e [ 1178.872809] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1178.914548] [] ? led_trigger_register_simple+0x3d/0xcf [ 1178.965922] [] ? i8042_toggle_aux+0x126/0x126 [ 1178.996482] [] do_one_initcall+0x16d/0x258 [ 1179.034387] [] ? initcall_blacklisted+0x198/0x198 [ 1179.076273] [] ? up_write+0x8c/0xd9 [ 1179.104210] [] ? down_write_trylock+0x100/0x100 [ 1179.142353] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1179.186816] [] kernel_init_freeable+0x457/0x518 [ 1179.231729] [] kernel_init+0x16/0x181 [ 1179.266809] [] ret_from_fork+0x1f/0x40 [ 1179.292782] [] ? rest_init+0x8f/0x8f [ 1179.326729] ================================================================================ [ 1179.379017] ================================================================================ [ 1179.432162] UBSAN: Undefined behaviour in kernel/irq/manage.c:1509:6 [ 1179.472393] member access within misaligned address ffff88005d0a7c38 for type 'struct irq_desc' [ 1179.526249] which requires 64 byte alignment [ 1179.558099] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1179.593937] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1179.656519] 00000000ffffffff 00000000b1a89c60 ffff88005c9df830 ffffffffb26ec5cc [ 1179.707248] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1179.759038] ffff880000000010 ffff88005c9df858 ffff88005c9df808 ffffffffb363c3e0 [ 1179.807983] Call Trace: [ 1179.829677] [] dump_stack+0xd7/0x132 [ 1179.860168] [] ? arch_local_irq_restore+0x1b/0x1b [ 1179.899578] [] ubsan_epilogue+0x12/0x53 [ 1179.933294] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1179.976675] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1180.019798] [] ? irqd_set+0x59/0x7d [ 1180.054345] [] __free_irq+0x2db/0x5dd [ 1180.089892] [] free_irq+0xe0/0x11b [ 1180.125838] [] i8042_probe+0x62c/0xc59 [ 1180.162392] [] ? i8042_create_aux_port+0x363/0x363 [ 1180.196365] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1180.233669] [] ? platform_device_unregister+0x25/0x25 [ 1180.273324] [] ? i8042_create_aux_port+0x363/0x363 [ 1180.310784] [] platform_drv_probe+0xd3/0x17a [ 1180.346347] [] ? platform_device_unregister+0x25/0x25 [ 1180.385741] [] driver_probe_device+0x654/0xe96 [ 1180.423085] [] ? platform_uevent+0x84/0x84 [ 1180.457901] [] ? driver_probe_device+0xe96/0xe96 [ 1180.503114] [] __driver_attach+0x1b0/0x262 [ 1180.537818] [] bus_for_each_dev+0x163/0x1b9 [ 1180.575421] [] ? next_device+0x65/0x65 [ 1180.608089] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1180.656595] [] driver_attach+0x49/0x4c [ 1180.690038] [] bus_add_driver+0x2be/0x62c [ 1180.724423] [] driver_register+0x2c2/0x353 [ 1180.766271] [] ? i8042_create_aux_port+0x363/0x363 [ 1180.804347] [] __platform_driver_register+0xee/0xf3 [ 1180.843984] [] __platform_driver_probe+0x137/0x2f0 [ 1180.875828] [] __platform_create_bundle+0xc1/0x113 [ 1180.921698] [] ? i8042_create_aux_port+0x363/0x363 [ 1180.956843] [] i8042_init+0x657/0x715 [ 1180.988486] [] ? i8042_toggle_aux+0x126/0x126 [ 1181.029929] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1181.073519] [] ? led_trigger_rename_static+0x9e/0x9e [ 1181.119636] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1181.161283] [] ? led_trigger_register_simple+0x3d/0xcf [ 1181.209395] [] ? i8042_toggle_aux+0x126/0x126 [ 1181.246931] [] do_one_initcall+0x16d/0x258 [ 1181.280935] [] ? initcall_blacklisted+0x198/0x198 [ 1181.323762] [] ? up_write+0x8c/0xd9 [ 1181.358408] [] ? down_write_trylock+0x100/0x100 [ 1181.398443] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1181.446175] [] kernel_init_freeable+0x457/0x518 [ 1181.483289] [] kernel_init+0x16/0x181 [ 1181.512077] [] ret_from_fork+0x1f/0x40 [ 1181.544538] [] ? rest_init+0x8f/0x8f [ 1181.575065] ================================================================================ [ 1181.626698] ================================================================================ [ 1181.679450] UBSAN: Undefined behaviour in kernel/irq/proc.c:395:2 [ 1181.722555] member access within misaligned address ffff88009ebab9d8 for type 'struct irqaction' [ 1181.773668] which requires 64 byte alignment [ 1181.799116] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1181.838072] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1181.907341] 00000000ffffffff 00000000b1a89c60 ffff88005c9df818 ffffffffb26ec5cc [ 1181.948783] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1182.003412] 0000000000000010 ffff88005c9df840 ffff88005c9df7f0 ffffffffb363c3e0 [ 1182.043331] Call Trace: [ 1182.063883] [] dump_stack+0xd7/0x132 [ 1182.094309] [] ? arch_local_irq_restore+0x1b/0x1b [ 1182.134330] [] ubsan_epilogue+0x12/0x53 [ 1182.167349] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1182.203688] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1182.250459] [] ? __free_irq+0x2ef/0x5dd [ 1182.287525] [] unregister_handler_proc+0x2b/0x40 [ 1182.325408] [] __free_irq+0x3a3/0x5dd [ 1182.357427] [] free_irq+0xe0/0x11b [ 1182.392488] [] i8042_probe+0x62c/0xc59 [ 1182.423748] [] ? i8042_create_aux_port+0x363/0x363 [ 1182.468087] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1182.504915] [] ? platform_device_unregister+0x25/0x25 [ 1182.542647] [] ? i8042_create_aux_port+0x363/0x363 [ 1182.583838] [] platform_drv_probe+0xd3/0x17a [ 1182.628344] [] ? platform_device_unregister+0x25/0x25 [ 1182.673014] [] driver_probe_device+0x654/0xe96 [ 1182.716662] [] ? platform_uevent+0x84/0x84 [ 1182.756025] [] ? driver_probe_device+0xe96/0xe96 [ 1182.795750] [] __driver_attach+0x1b0/0x262 [ 1182.835617] [] bus_for_each_dev+0x163/0x1b9 [ 1182.874671] [] ? next_device+0x65/0x65 [ 1182.900894] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1182.947258] [] driver_attach+0x49/0x4c [ 1182.984949] [] bus_add_driver+0x2be/0x62c [ 1183.023157] [] driver_register+0x2c2/0x353 [ 1183.055753] [] ? i8042_create_aux_port+0x363/0x363 [ 1183.093718] [] __platform_driver_register+0xee/0xf3 [ 1183.138336] [] __platform_driver_probe+0x137/0x2f0 [ 1183.173501] [] __platform_create_bundle+0xc1/0x113 [ 1183.209558] [] ? i8042_create_aux_port+0x363/0x363 [ 1183.249291] [] i8042_init+0x657/0x715 [ 1183.281044] [] ? i8042_toggle_aux+0x126/0x126 [ 1183.328226] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1183.368917] [] ? led_trigger_rename_static+0x9e/0x9e [ 1183.406733] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1183.446743] [] ? led_trigger_register_simple+0x3d/0xcf [ 1183.492752] [] ? i8042_toggle_aux+0x126/0x126 [ 1183.527707] [] do_one_initcall+0x16d/0x258 [ 1183.566312] [] ? initcall_blacklisted+0x198/0x198 [ 1183.604543] [] ? up_write+0x8c/0xd9 [ 1183.638904] [] ? down_write_trylock+0x100/0x100 [ 1183.682320] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1183.732164] [] kernel_init_freeable+0x457/0x518 [ 1183.773638] [] kernel_init+0x16/0x181 [ 1183.806934] [] ret_from_fork+0x1f/0x40 [ 1183.840622] [] ? rest_init+0x8f/0x8f [ 1183.873327] ================================================================================ [ 1183.934777] ================================================================================ [ 1183.996721] UBSAN: Undefined behaviour in kernel/irq/chip.c:570:19 [ 1184.034540] member access within misaligned address ffff88005d0a64d0 for type 'struct irq_desc' [ 1184.087733] which requires 64 byte alignment [ 1184.114920] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1184.154225] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1184.212973] 00000000ffffffff 0c28571bde984a73 ffff88005d407e60 ffffffffb26ec5cc [ 1184.261059] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1184.315264] ffffffff00000010 ffff88005d407e88 ffff88005d407e38 ffffffffb363c3e0 [ 1184.361492] Call Trace: [ 1184.374701] [] dump_stack+0xd7/0x132 [ 1184.414989] [] ? arch_local_irq_restore+0x1b/0x1b [ 1184.458601] [] ubsan_epilogue+0x12/0x53 [ 1184.493990] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1184.535511] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1184.580215] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1184.624001] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1184.671499] [] handle_fasteoi_irq+0x34/0x3c0 [ 1184.707602] [] handle_irq+0x3f/0x47 [ 1184.741760] [] do_IRQ+0x8a/0x110 [ 1184.775494] [] common_interrupt+0x82/0x82 [ 1184.808330] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 1184.858534] [] ? native_safe_halt+0x6/0x8 [ 1184.902486] [] default_idle+0x1f/0x32 [ 1184.931164] [] arch_cpu_idle+0xf/0x11 [ 1184.963912] [] default_idle_call+0x1e/0x20 [ 1184.996642] [] cpu_startup_entry+0x20f/0x384 [ 1185.033880] [] ? default_idle_call+0x20/0x20 [ 1185.071565] [] rest_init+0x8c/0x8f [ 1185.105262] [] start_kernel+0x618/0x64b [ 1185.152959] [] ? thread_stack_cache_init+0xb/0xb [ 1185.198959] [] ? cmdline_find_option_bool+0x131/0x146 [ 1185.240948] [] ? early_idt_handler_array+0x120/0x120 [ 1185.277702] [] x86_64_start_reservations+0x24/0x26 [ 1185.323373] [] x86_64_start_kernel+0x179/0x19c [ 1185.362989] ================================================================================ [ 1185.413044] ================================================================================ [ 1185.466752] UBSAN: Undefined behaviour in kernel/irq/chip.c:577:15 [ 1185.507900] member access within misaligned address ffff88005d0a64d0 for type 'struct irq_desc' [ 1185.556715] which requires 64 byte alignment [ 1185.592353] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1185.628068] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1185.679909] 00000000ffffffff 0c28571bde984a73 ffff88005d407e60 ffffffffb26ec5cc [ 1185.725596] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1185.782951] ffffffff00000010 ffff88005d407e88 ffff88005d407e38 ffffffffb363c3e0 [ 1185.832943] Call Trace: [ 1185.845892] [] dump_stack+0xd7/0x132 [ 1185.885176] [] ? arch_local_irq_restore+0x1b/0x1b [ 1185.932373] [] ubsan_epilogue+0x12/0x53 [ 1185.965295] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1186.007386] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1186.052698] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1186.094333] [] handle_fasteoi_irq+0x7e/0x3c0 [ 1186.133822] [] handle_irq+0x3f/0x47 [ 1186.164923] [] do_IRQ+0x8a/0x110 [ 1186.198741] [] common_interrupt+0x82/0x82 [ 1186.236042] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 1186.293049] [] ? native_safe_halt+0x6/0x8 [ 1186.330117] [] default_idle+0x1f/0x32 [ 1186.411401] [] arch_cpu_idle+0xf/0x11 [ 1186.485137] [] default_idle_call+0x1e/0x20 [ 1186.565750] [] cpu_startup_entry+0x20f/0x384 [ 1186.654096] [] ? default_idle_call+0x20/0x20 [ 1186.746998] [] rest_init+0x8c/0x8f [ 1186.810707] [] start_kernel+0x618/0x64b [ 1186.886784] [] ? thread_stack_cache_init+0xb/0xb [ 1186.965888] [] ? cmdline_find_option_bool+0x131/0x146 [ 1187.030541] [] ? early_idt_handler_array+0x120/0x120 [ 1187.094049] [] x86_64_start_reservations+0x24/0x26 [ 1187.144905] [] x86_64_start_kernel+0x179/0x19c [ 1187.178847] ================================================================================ [ 1187.235087] ================================================================================ [ 1187.285412] UBSAN: Undefined behaviour in kernel/irq/chip.c:577:15 [ 1187.325946] member access within misaligned address ffff88005d0a64d0 for type 'struct irq_desc' [ 1187.379047] which requires 64 byte alignment [ 1187.413271] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1187.461355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1187.527029] 00000000ffffffff 0c28571bde984a73 ffff88005d407e60 ffffffffb26ec5cc [ 1187.590709] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1187.655015] ffffffff00000010 ffff88005d407e88 ffff88005d407e38 ffffffffb363c3e0 [ 1187.710276] Call Trace: [ 1187.732730] [] dump_stack+0xd7/0x132 [ 1187.786782] [] ? arch_local_irq_restore+0x1b/0x1b [ 1187.824957] [] ubsan_epilogue+0x12/0x53 [ 1187.855108] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1187.899500] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1187.943021] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1187.993343] [] handle_fasteoi_irq+0xb1/0x3c0 [ 1188.032773] [] handle_irq+0x3f/0x47 [ 1188.072750] [] do_IRQ+0x8a/0x110 [ 1188.108376] [] common_interrupt+0x82/0x82 [ 1188.142182] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 1188.192563] [] ? native_safe_halt+0x6/0x8 [ 1188.225941] [] default_idle+0x1f/0x32 [ 1188.262644] [] arch_cpu_idle+0xf/0x11 [ 1188.302622] [] default_idle_call+0x1e/0x20 [ 1188.343422] [] cpu_startup_entry+0x20f/0x384 [ 1188.387239] [] ? default_idle_call+0x20/0x20 [ 1188.432740] [] rest_init+0x8c/0x8f [ 1188.461265] [] start_kernel+0x618/0x64b [ 1188.498255] [] ? thread_stack_cache_init+0xb/0xb [ 1188.540481] [] ? cmdline_find_option_bool+0x131/0x146 [ 1188.583162] [] ? early_idt_handler_array+0x120/0x120 [ 1188.625979] [] x86_64_start_reservations+0x24/0x26 [ 1188.662314] [] x86_64_start_kernel+0x179/0x19c [ 1188.704711] ================================================================================ [ 1188.768547] ================================================================================ [ 1188.816269] UBSAN: Undefined behaviour in kernel/irq/chip.c:583:6 [ 1188.856156] member access within misaligned address ffff88005d0a64d0 for type 'struct irq_desc' [ 1188.919770] which requires 64 byte alignment [ 1188.953114] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1188.991240] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1189.051166] 00000000ffffffff 0c28571bde984a73 ffff88005d407e60 ffffffffb26ec5cc [ 1189.096426] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1189.145043] ffffffff00000010 ffff88005d407e88 ffff88005d407e38 ffffffffb363c3e0 [ 1189.197271] Call Trace: [ 1189.214156] [] dump_stack+0xd7/0x132 [ 1189.248262] [] ? arch_local_irq_restore+0x1b/0x1b [ 1189.295756] [] ubsan_epilogue+0x12/0x53 [ 1189.330241] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1189.381504] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1189.424657] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1189.460633] [] handle_fasteoi_irq+0xd3/0x3c0 [ 1189.495633] [] handle_irq+0x3f/0x47 [ 1189.530090] [] do_IRQ+0x8a/0x110 [ 1189.562675] [] common_interrupt+0x82/0x82 [ 1189.625158] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 1189.692759] [] ? native_safe_halt+0x6/0x8 [ 1189.749660] [] default_idle+0x1f/0x32 [ 1189.802125] [] arch_cpu_idle+0xf/0x11 [ 1189.845279] [] default_idle_call+0x1e/0x20 [ 1189.886878] [] cpu_startup_entry+0x20f/0x384 [ 1189.929052] [] ? default_idle_call+0x20/0x20 [ 1189.961260] [] rest_init+0x8c/0x8f [ 1189.993548] [] start_kernel+0x618/0x64b [ 1190.031892] [] ? thread_stack_cache_init+0xb/0xb [ 1190.064869] [] ? cmdline_find_option_bool+0x131/0x146 [ 1190.111385] [] ? early_idt_handler_array+0x120/0x120 [ 1190.147240] [] x86_64_start_reservations+0x24/0x26 [ 1190.186750] [] x86_64_start_kernel+0x179/0x19c [ 1190.226364] ================================================================================ [ 1190.272499] ================================================================================ [ 1190.317229] UBSAN: Undefined behaviour in kernel/irq/chip.c:590:10 [ 1190.364170] member access within misaligned address ffff88005d0a64d0 for type 'struct irq_desc' [ 1190.419840] which requires 64 byte alignment [ 1190.439425] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1190.480390] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1190.546281] 00000000ffffffff 0c28571bde984a73 ffff88005d407e60 ffffffffb26ec5cc [ 1190.624844] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1190.724355] ffffffff00000010 ffff88005d407e88 ffff88005d407e38 ffffffffb363c3e0 [ 1190.778469] Call Trace: [ 1190.798366] [] dump_stack+0xd7/0x132 [ 1190.849405] [] ? arch_local_irq_restore+0x1b/0x1b [ 1190.905727] [] ubsan_epilogue+0x12/0x53 [ 1190.946178] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1191.002000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1191.054157] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1191.112792] [] handle_fasteoi_irq+0x17a/0x3c0 [ 1191.156947] [] handle_irq+0x3f/0x47 [ 1191.192279] [] do_IRQ+0x8a/0x110 [ 1191.230456] [] common_interrupt+0x82/0x82 [ 1191.278235] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 1191.329241] [] ? native_safe_halt+0x6/0x8 [ 1191.376358] [] default_idle+0x1f/0x32 [ 1191.414865] [] arch_cpu_idle+0xf/0x11 [ 1191.461116] [] default_idle_call+0x1e/0x20 [ 1191.504592] [] cpu_startup_entry+0x20f/0x384 [ 1191.549056] [] ? default_idle_call+0x20/0x20 [ 1191.597356] [] rest_init+0x8c/0x8f [ 1191.634623] [] start_kernel+0x618/0x64b [ 1191.676153] [] ? thread_stack_cache_init+0xb/0xb [ 1191.719568] [] ? cmdline_find_option_bool+0x131/0x146 [ 1191.777368] [] ? early_idt_handler_array+0x120/0x120 [ 1191.834706] [] x86_64_start_reservations+0x24/0x26 [ 1191.873198] [] x86_64_start_kernel+0x179/0x19c [ 1191.906889] ================================================================================ [ 1191.956314] ================================================================================ [ 1192.006534] UBSAN: Undefined behaviour in kernel/irq/chip.c:540:12 [ 1192.044722] member access within misaligned address ffff88005d0a64d0 for type 'struct irq_desc' [ 1192.103759] which requires 64 byte alignment [ 1192.130376] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1192.174014] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1192.241927] 00000000ffffffff 0c28571bde984a73 ffff88005d407e60 ffffffffb26ec5cc [ 1192.290347] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1192.345302] 0000000000000010 ffff88005d407e88 ffff88005d407e38 ffffffffb363c3e0 [ 1192.394590] Call Trace: [ 1192.409918] [] dump_stack+0xd7/0x132 [ 1192.451233] [] ? arch_local_irq_restore+0x1b/0x1b [ 1192.493220] [] ubsan_epilogue+0x12/0x53 [ 1192.529524] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1192.582489] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1192.643105] [] ? _raw_spin_lock+0xe/0x10 [ 1192.678881] [] handle_fasteoi_irq+0x1be/0x3c0 [ 1192.715267] [] handle_irq+0x3f/0x47 [ 1192.749807] [] do_IRQ+0x8a/0x110 [ 1192.781495] [] common_interrupt+0x82/0x82 [ 1192.822884] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 1192.877593] [] ? native_safe_halt+0x6/0x8 [ 1192.915209] [] default_idle+0x1f/0x32 [ 1192.945989] [] arch_cpu_idle+0xf/0x11 [ 1192.983058] [] default_idle_call+0x1e/0x20 [ 1193.020868] [] cpu_startup_entry+0x20f/0x384 [ 1193.057125] [] ? default_idle_call+0x20/0x20 [ 1193.094822] [] rest_init+0x8c/0x8f [ 1193.129295] [] start_kernel+0x618/0x64b [ 1193.165488] [] ? thread_stack_cache_init+0xb/0xb [ 1193.198243] [] ? cmdline_find_option_bool+0x131/0x146 [ 1193.244074] [] ? early_idt_handler_array+0x120/0x120 [ 1193.290104] [] x86_64_start_reservations+0x24/0x26 [ 1193.337241] [] x86_64_start_kernel+0x179/0x19c [ 1193.371997] ================================================================================ [ 1193.422938] ================================================================================ [ 1193.450596] UBSAN: Undefined behaviour in kernel/irq/manage.c:1537:12 [ 1193.470367] member access within misaligned address ffff88009ebab9d8 for type 'struct irqaction' [ 1193.499151] which requires 64 byte alignment [ 1193.515379] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1193.537906] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1193.571399] 00000000ffffffff 00000000b1a89c60 ffff88005c9df830 ffffffffb26ec5cc [ 1193.595976] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1193.620620] ffff880000000010 ffff88005c9df858 ffff88005c9df808 ffffffffb363c3e0 [ 1193.645251] Call Trace: [ 1193.652364] [] dump_stack+0xd7/0x132 [ 1193.669641] [] ? arch_local_irq_restore+0x1b/0x1b [ 1193.693377] [] ubsan_epilogue+0x12/0x53 [ 1193.710734] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1193.734667] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1193.759662] [] __free_irq+0x3c4/0x5dd [ 1193.778553] [] free_irq+0xe0/0x11b [ 1193.793576] [] i8042_probe+0x62c/0xc59 [ 1193.812305] [] ? i8042_create_aux_port+0x363/0x363 [ 1193.834977] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1193.856481] [] ? platform_device_unregister+0x25/0x25 [ 1193.878745] [] ? i8042_create_aux_port+0x363/0x363 [ 1193.898536] [] platform_drv_probe+0xd3/0x17a [ 1193.918860] [] ? platform_device_unregister+0x25/0x25 [ 1193.939142] [] driver_probe_device+0x654/0xe96 [ 1193.961389] [] ? platform_uevent+0x84/0x84 [ 1193.983585] [] ? driver_probe_device+0xe96/0xe96 [ 1194.002524] [] __driver_attach+0x1b0/0x262 [ 1194.021699] [] bus_for_each_dev+0x163/0x1b9 [ 1194.041357] [] ? next_device+0x65/0x65 [ 1194.058803] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1194.078794] [] driver_attach+0x49/0x4c [ 1194.098066] [] bus_add_driver+0x2be/0x62c [ 1194.116556] [] driver_register+0x2c2/0x353 [ 1194.135996] [] ? i8042_create_aux_port+0x363/0x363 [ 1194.156599] [] __platform_driver_register+0xee/0xf3 [ 1194.179278] [] __platform_driver_probe+0x137/0x2f0 [ 1194.201072] [] __platform_create_bundle+0xc1/0x113 [ 1194.222578] [] ? i8042_create_aux_port+0x363/0x363 [ 1194.245196] [] i8042_init+0x657/0x715 [ 1194.263484] [] ? i8042_toggle_aux+0x126/0x126 [ 1194.281134] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1194.302163] [] ? led_trigger_rename_static+0x9e/0x9e [ 1194.322201] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1194.343964] [] ? led_trigger_register_simple+0x3d/0xcf [ 1194.367334] [] ? i8042_toggle_aux+0x126/0x126 [ 1194.386947] [] do_one_initcall+0x16d/0x258 [ 1194.407986] [] ? initcall_blacklisted+0x198/0x198 [ 1194.429678] [] ? up_write+0x8c/0xd9 [ 1194.446598] [] ? down_write_trylock+0x100/0x100 [ 1194.465872] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1194.486670] [] kernel_init_freeable+0x457/0x518 [ 1194.505750] [] kernel_init+0x16/0x181 [ 1194.522551] [] ret_from_fork+0x1f/0x40 [ 1194.542707] [] ? rest_init+0x8f/0x8f [ 1194.561036] ================================================================================ [ 1194.586973] ================================================================================ [ 1194.615701] UBSAN: Undefined behaviour in kernel/irq/manage.c:1547:2 [ 1194.635681] member access within misaligned address ffff88005d0a7c38 for type 'struct irq_desc' [ 1194.666513] which requires 64 byte alignment [ 1194.683180] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1194.701769] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1194.732830] 00000000ffffffff 00000000b1a89c60 ffff88005c9df830 ffffffffb26ec5cc [ 1194.758446] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1194.785655] ffff880000000010 ffff88005c9df858 ffff88005c9df808 ffffffffb363c3e0 [ 1194.812409] Call Trace: [ 1194.819076] [] dump_stack+0xd7/0x132 [ 1194.837229] [] ? arch_local_irq_restore+0x1b/0x1b [ 1194.861900] [] ubsan_epilogue+0x12/0x53 [ 1194.880744] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1194.905433] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1194.932420] [] __free_irq+0x56b/0x5dd [ 1194.948261] [] free_irq+0xe0/0x11b [ 1194.965051] [] i8042_probe+0x62c/0xc59 [ 1194.983477] [] ? i8042_create_aux_port+0x363/0x363 [ 1195.004873] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1195.024679] [] ? platform_device_unregister+0x25/0x25 [ 1195.047930] [] ? i8042_create_aux_port+0x363/0x363 [ 1195.069038] [] platform_drv_probe+0xd3/0x17a [ 1195.088275] [] ? platform_device_unregister+0x25/0x25 [ 1195.111941] [] driver_probe_device+0x654/0xe96 [ 1195.131672] [] ? platform_uevent+0x84/0x84 [ 1195.149815] [] ? driver_probe_device+0xe96/0xe96 [ 1195.171686] [] __driver_attach+0x1b0/0x262 [ 1195.191568] [] bus_for_each_dev+0x163/0x1b9 [ 1195.211371] [] ? next_device+0x65/0x65 [ 1195.227909] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1195.249325] [] driver_attach+0x49/0x4c [ 1195.266573] [] bus_add_driver+0x2be/0x62c [ 1195.285829] [] driver_register+0x2c2/0x353 [ 1195.304759] [] ? i8042_create_aux_port+0x363/0x363 [ 1195.326526] [] __platform_driver_register+0xee/0xf3 [ 1195.347649] [] __platform_driver_probe+0x137/0x2f0 [ 1195.368784] [] __platform_create_bundle+0xc1/0x113 [ 1195.389204] [] ? i8042_create_aux_port+0x363/0x363 [ 1195.422856] [] i8042_init+0x657/0x715 [ 1195.447404] [] ? i8042_toggle_aux+0x126/0x126 [ 1195.473608] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1195.496807] [] ? led_trigger_rename_static+0x9e/0x9e [ 1195.566897] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1195.613290] [] ? led_trigger_register_simple+0x3d/0xcf [ 1195.648388] [] ? i8042_toggle_aux+0x126/0x126 [ 1195.671126] [] do_one_initcall+0x16d/0x258 [ 1195.698589] [] ? initcall_blacklisted+0x198/0x198 [ 1195.742774] [] ? up_write+0x8c/0xd9 [ 1195.766411] [] ? down_write_trylock+0x100/0x100 [ 1195.787320] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1195.806496] [] kernel_init_freeable+0x457/0x518 [ 1195.830228] [] kernel_init+0x16/0x181 [ 1195.849988] [] ret_from_fork+0x1f/0x40 [ 1195.874253] [] ? rest_init+0x8f/0x8f [ 1195.894675] ================================================================================ [ 1195.922343] ================================================================================ [ 1195.949030] UBSAN: Undefined behaviour in kernel/irq/manage.c:1548:14 [ 1195.968808] member access within misaligned address ffff88009ebab9d8 for type 'struct irqaction' [ 1195.994063] which requires 64 byte alignment [ 1196.008219] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1196.027794] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1196.064628] 00000000ffffffff 00000000b1a89c60 ffff88005c9df830 ffffffffb26ec5cc [ 1196.086927] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1196.114619] ffff880000000010 ffff88005c9df858 ffff88005c9df808 ffffffffb363c3e0 [ 1196.143348] Call Trace: [ 1196.149814] [] dump_stack+0xd7/0x132 [ 1196.167018] [] ? arch_local_irq_restore+0x1b/0x1b [ 1196.186577] [] ubsan_epilogue+0x12/0x53 [ 1196.209277] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1196.231603] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1196.254984] [] __free_irq+0x59e/0x5dd [ 1196.271371] [] free_irq+0xe0/0x11b [ 1196.288962] [] i8042_probe+0x62c/0xc59 [ 1196.308403] [] ? i8042_create_aux_port+0x363/0x363 [ 1196.330935] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1196.349977] [] ? platform_device_unregister+0x25/0x25 [ 1196.369867] [] ? i8042_create_aux_port+0x363/0x363 [ 1196.390817] [] platform_drv_probe+0xd3/0x17a [ 1196.411432] [] ? platform_device_unregister+0x25/0x25 [ 1196.434136] [] driver_probe_device+0x654/0xe96 [ 1196.451675] [] ? platform_uevent+0x84/0x84 [ 1196.470616] [] ? driver_probe_device+0xe96/0xe96 [ 1196.492829] [] __driver_attach+0x1b0/0x262 [ 1196.511345] [] bus_for_each_dev+0x163/0x1b9 [ 1196.530880] [] ? next_device+0x65/0x65 [ 1196.548653] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1196.570777] [] driver_attach+0x49/0x4c [ 1196.588819] [] bus_add_driver+0x2be/0x62c [ 1196.608079] [] driver_register+0x2c2/0x353 [ 1196.628987] [] ? i8042_create_aux_port+0x363/0x363 [ 1196.647330] [] __platform_driver_register+0xee/0xf3 [ 1196.667971] [] __platform_driver_probe+0x137/0x2f0 [ 1196.689831] [] __platform_create_bundle+0xc1/0x113 [ 1196.711598] [] ? i8042_create_aux_port+0x363/0x363 [ 1196.731821] [] i8042_init+0x657/0x715 [ 1196.749383] [] ? i8042_toggle_aux+0x126/0x126 [ 1196.767979] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1196.788662] [] ? led_trigger_rename_static+0x9e/0x9e [ 1196.813517] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1196.842366] [] ? led_trigger_register_simple+0x3d/0xcf [ 1196.864424] [] ? i8042_toggle_aux+0x126/0x126 [ 1196.886033] [] do_one_initcall+0x16d/0x258 [ 1196.903369] [] ? initcall_blacklisted+0x198/0x198 [ 1196.923416] [] ? up_write+0x8c/0xd9 [ 1196.941741] [] ? down_write_trylock+0x100/0x100 [ 1196.963168] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1196.985068] [] kernel_init_freeable+0x457/0x518 [ 1197.004346] [] kernel_init+0x16/0x181 [ 1197.020925] [] ret_from_fork+0x1f/0x40 [ 1197.038478] [] ? rest_init+0x8f/0x8f [ 1197.055298] ================================================================================ [ 1197.085933] ================================================================================ [ 1197.115523] UBSAN: Undefined behaviour in kernel/irq/resend.c:71:16 [ 1197.135870] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 1197.167416] which requires 64 byte alignment [ 1197.181260] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1197.203071] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1197.233372] 00000000ffffffff 00000000b1a89c60 ffff88005c9df700 ffffffffb26ec5cc [ 1197.257624] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1197.287004] ffffffff00000010 ffff88005c9df728 ffff88005c9df6d8 ffffffffb363c3e0 [ 1197.311525] Call Trace: [ 1197.317257] [] dump_stack+0xd7/0x132 [ 1197.337720] [] ? arch_local_irq_restore+0x1b/0x1b [ 1197.358375] [] ubsan_epilogue+0x12/0x53 [ 1197.375288] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1197.395858] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1197.421723] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1197.447358] [] ? io_apic_base+0x5f/0xa0 [ 1197.466212] [] ? __unmask_ioapic+0x162/0x175 [ 1197.483024] [] ? ioapic_ack_level+0x29e/0x29e [ 1197.503011] [] check_irq_resend+0x122/0x225 [ 1197.522754] [] irq_startup+0x190/0x1a3 [ 1197.538968] [] __setup_irq+0xfc2/0x171f [ 1197.556268] [] ? __irq_set_trigger+0x64e/0x64e [ 1197.582127] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1197.604635] [] ? kzalloc.constprop.9+0x2b/0x2d [ 1197.624378] [] ? i8042_panic_blink+0x1aa/0x1aa [ 1197.646043] [] request_threaded_irq+0x252/0x2b9 [ 1197.666289] [] i8042_probe+0xa6a/0xc59 [ 1197.685610] [] ? i8042_create_aux_port+0x363/0x363 [ 1197.705962] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1197.725266] [] ? platform_device_unregister+0x25/0x25 [ 1197.746812] [] ? i8042_create_aux_port+0x363/0x363 [ 1197.766487] [] platform_drv_probe+0xd3/0x17a [ 1197.785554] [] ? platform_device_unregister+0x25/0x25 [ 1197.805168] [] driver_probe_device+0x654/0xe96 [ 1197.829294] [] ? platform_uevent+0x84/0x84 [ 1197.849963] [] ? driver_probe_device+0xe96/0xe96 [ 1197.868707] [] __driver_attach+0x1b0/0x262 [ 1197.888424] [] bus_for_each_dev+0x163/0x1b9 [ 1197.906848] [] ? next_device+0x65/0x65 [ 1197.925598] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1197.945482] [] driver_attach+0x49/0x4c [ 1197.966720] [] bus_add_driver+0x2be/0x62c [ 1197.983206] [] driver_register+0x2c2/0x353 [ 1198.004132] [] ? i8042_create_aux_port+0x363/0x363 [ 1198.023486] [] __platform_driver_register+0xee/0xf3 [ 1198.046228] [] __platform_driver_probe+0x137/0x2f0 [ 1198.068296] [] __platform_create_bundle+0xc1/0x113 [ 1198.091568] [] ? i8042_create_aux_port+0x363/0x363 [ 1198.113493] [] i8042_init+0x657/0x715 [ 1198.131529] [] ? i8042_toggle_aux+0x126/0x126 [ 1198.153015] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1198.173575] [] ? led_trigger_rename_static+0x9e/0x9e [ 1198.196923] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1198.223089] [] ? led_trigger_register_simple+0x3d/0xcf [ 1198.245534] [] ? i8042_toggle_aux+0x126/0x126 [ 1198.267474] [] do_one_initcall+0x16d/0x258 [ 1198.286712] [] ? initcall_blacklisted+0x198/0x198 [ 1198.313247] [] ? up_write+0x8c/0xd9 [ 1198.330660] [] ? down_write_trylock+0x100/0x100 [ 1198.350624] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1198.371183] [] kernel_init_freeable+0x457/0x518 [ 1198.391643] [] kernel_init+0x16/0x181 [ 1198.410008] [] ret_from_fork+0x1f/0x40 [ 1198.429754] [] ? rest_init+0x8f/0x8f [ 1198.446335] ================================================================================ [ 1198.471145] ================================================================================ [ 1198.498281] UBSAN: Undefined behaviour in kernel/irq/resend.c:71:16 [ 1198.519509] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 1198.549531] which requires 64 byte alignment [ 1198.564214] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1198.585396] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1198.616025] 00000000ffffffff 00000000b1a89c60 ffff88005c9df700 ffffffffb26ec5cc [ 1198.643118] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1198.667582] ffffffff00000010 ffff88005c9df728 ffff88005c9df6d8 ffffffffb363c3e0 [ 1198.693529] Call Trace: [ 1198.702206] [] dump_stack+0xd7/0x132 [ 1198.720519] [] ? arch_local_irq_restore+0x1b/0x1b [ 1198.754389] [] ubsan_epilogue+0x12/0x53 [ 1198.790138] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1198.828777] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1198.873682] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1198.917509] [] ? io_apic_base+0x5f/0xa0 [ 1198.953030] [] ? __unmask_ioapic+0x162/0x175 [ 1198.990006] [] ? ioapic_ack_level+0x29e/0x29e [ 1199.024904] [] check_irq_resend+0x142/0x225 [ 1199.076383] [] irq_startup+0x190/0x1a3 [ 1199.114019] [] __setup_irq+0xfc2/0x171f [ 1199.144956] [] ? __irq_set_trigger+0x64e/0x64e [ 1199.174514] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1199.202138] [] ? kzalloc.constprop.9+0x2b/0x2d [ 1199.225389] [] ? i8042_panic_blink+0x1aa/0x1aa [ 1199.251419] [] request_threaded_irq+0x252/0x2b9 [ 1199.272530] [] i8042_probe+0xa6a/0xc59 [ 1199.291448] [] ? i8042_create_aux_port+0x363/0x363 [ 1199.318402] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1199.349937] [] ? platform_device_unregister+0x25/0x25 [ 1199.374460] [] ? i8042_create_aux_port+0x363/0x363 [ 1199.395938] [] platform_drv_probe+0xd3/0x17a [ 1199.416426] [] ? platform_device_unregister+0x25/0x25 [ 1199.438439] [] driver_probe_device+0x654/0xe96 [ 1199.460103] [] ? platform_uevent+0x84/0x84 [ 1199.480642] [] ? driver_probe_device+0xe96/0xe96 [ 1199.498579] [] __driver_attach+0x1b0/0x262 [ 1199.516984] [] bus_for_each_dev+0x163/0x1b9 [ 1199.537959] [] ? next_device+0x65/0x65 [ 1199.555268] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1199.581870] [] driver_attach+0x49/0x4c [ 1199.599608] [] bus_add_driver+0x2be/0x62c [ 1199.617165] [] driver_register+0x2c2/0x353 [ 1199.636024] [] ? i8042_create_aux_port+0x363/0x363 [ 1199.655792] [] __platform_driver_register+0xee/0xf3 [ 1199.675148] [] __platform_driver_probe+0x137/0x2f0 [ 1199.697321] [] __platform_create_bundle+0xc1/0x113 [ 1199.715694] [] ? i8042_create_aux_port+0x363/0x363 [ 1199.737204] [] i8042_init+0x657/0x715 [ 1199.754838] [] ? i8042_toggle_aux+0x126/0x126 [ 1199.773696] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1199.797378] [] ? led_trigger_rename_static+0x9e/0x9e [ 1199.821806] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1199.842105] [] ? led_trigger_register_simple+0x3d/0xcf [ 1199.866896] [] ? i8042_toggle_aux+0x126/0x126 [ 1199.886597] [] do_one_initcall+0x16d/0x258 [ 1199.906974] [] ? initcall_blacklisted+0x198/0x198 [ 1199.930423] [] ? up_write+0x8c/0xd9 [ 1199.949793] [] ? down_write_trylock+0x100/0x100 [ 1199.970892] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1199.995624] [] kernel_init_freeable+0x457/0x518 [ 1200.018620] [] kernel_init+0x16/0x181 [ 1200.035449] [] ret_from_fork+0x1f/0x40 [ 1200.053883] [] ? rest_init+0x8f/0x8f [ 1200.071923] ================================================================================ [ 1200.104270] ================================================================================ [ 1200.135592] UBSAN: Undefined behaviour in kernel/irq/resend.c:72:16 [ 1200.156842] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 1200.188549] which requires 64 byte alignment [ 1200.203221] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1200.225920] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1200.253962] 00000000ffffffff 00000000b1a89c60 ffff88005c9df700 ffffffffb26ec5cc [ 1200.276160] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1200.303258] ffffffff00000010 ffff88005c9df728 ffff88005c9df6d8 ffffffffb363c3e0 [ 1200.329066] Call Trace: [ 1200.337674] [] dump_stack+0xd7/0x132 [ 1200.353942] [] ? arch_local_irq_restore+0x1b/0x1b [ 1200.374562] [] ubsan_epilogue+0x12/0x53 [ 1200.391245] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1200.413816] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1200.450422] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1200.482106] [] ? io_apic_base+0x5f/0xa0 [ 1200.498116] [] ? __unmask_ioapic+0x162/0x175 [ 1200.516554] [] ? ioapic_ack_level+0x29e/0x29e [ 1200.536446] [] check_irq_resend+0x162/0x225 [ 1200.553482] [] irq_startup+0x190/0x1a3 [ 1200.570751] [] __setup_irq+0xfc2/0x171f [ 1200.590414] [] ? __irq_set_trigger+0x64e/0x64e [ 1200.608834] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1200.633763] [] ? kzalloc.constprop.9+0x2b/0x2d [ 1200.652399] [] ? i8042_panic_blink+0x1aa/0x1aa [ 1200.671304] [] request_threaded_irq+0x252/0x2b9 [ 1200.690520] [] i8042_probe+0xa6a/0xc59 [ 1200.710949] [] ? i8042_create_aux_port+0x363/0x363 [ 1200.730276] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1200.751069] [] ? platform_device_unregister+0x25/0x25 [ 1200.773150] [] ? i8042_create_aux_port+0x363/0x363 [ 1200.793914] [] platform_drv_probe+0xd3/0x17a [ 1200.812370] [] ? platform_device_unregister+0x25/0x25 [ 1200.834358] [] driver_probe_device+0x654/0xe96 [ 1200.857543] [] ? platform_uevent+0x84/0x84 [ 1200.875770] [] ? driver_probe_device+0xe96/0xe96 [ 1200.895311] [] __driver_attach+0x1b0/0x262 [ 1200.914511] [] bus_for_each_dev+0x163/0x1b9 [ 1200.934990] [] ? next_device+0x65/0x65 [ 1200.956046] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1200.978813] [] driver_attach+0x49/0x4c [ 1200.994156] [] bus_add_driver+0x2be/0x62c [ 1201.014367] [] driver_register+0x2c2/0x353 [ 1201.034380] [] ? i8042_create_aux_port+0x363/0x363 [ 1201.055327] [] __platform_driver_register+0xee/0xf3 [ 1201.076399] [] __platform_driver_probe+0x137/0x2f0 [ 1201.096274] [] __platform_create_bundle+0xc1/0x113 [ 1201.119435] [] ? i8042_create_aux_port+0x363/0x363 [ 1201.141421] [] i8042_init+0x657/0x715 [ 1201.159598] [] ? i8042_toggle_aux+0x126/0x126 [ 1201.184048] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1201.203128] [] ? led_trigger_rename_static+0x9e/0x9e [ 1201.224260] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1201.246794] [] ? led_trigger_register_simple+0x3d/0xcf [ 1201.269294] [] ? i8042_toggle_aux+0x126/0x126 [ 1201.289470] [] do_one_initcall+0x16d/0x258 [ 1201.306709] [] ? initcall_blacklisted+0x198/0x198 [ 1201.329743] [] ? up_write+0x8c/0xd9 [ 1201.347647] [] ? down_write_trylock+0x100/0x100 [ 1201.365511] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1201.386733] [] kernel_init_freeable+0x457/0x518 [ 1201.405766] [] kernel_init+0x16/0x181 [ 1201.421938] [] ret_from_fork+0x1f/0x40 [ 1201.441820] [] ? rest_init+0x8f/0x8f [ 1201.459436] ================================================================================ [ 1201.486762] ================================================================================ [ 1201.512951] UBSAN: Undefined behaviour in kernel/irq/resend.c:72:16 [ 1201.531441] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 1201.561309] which requires 64 byte alignment [ 1201.573753] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1201.594467] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1201.626626] 00000000ffffffff 00000000b1a89c60 ffff88005c9df700 ffffffffb26ec5cc [ 1201.652996] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1201.675276] ffffffff00000010 ffff88005c9df728 ffff88005c9df6d8 ffffffffb363c3e0 [ 1201.701282] Call Trace: [ 1201.710235] [] dump_stack+0xd7/0x132 [ 1201.728292] [] ? arch_local_irq_restore+0x1b/0x1b [ 1201.749453] [] ubsan_epilogue+0x12/0x53 [ 1201.766845] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1201.790523] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1201.815015] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1201.840248] [] ? io_apic_base+0x5f/0xa0 [ 1201.858491] [] ? __unmask_ioapic+0x162/0x175 [ 1201.883865] [] ? ioapic_ack_level+0x29e/0x29e [ 1201.902739] [] check_irq_resend+0x17f/0x225 [ 1201.919284] [] irq_startup+0x190/0x1a3 [ 1201.942348] [] __setup_irq+0xfc2/0x171f [ 1201.963806] [] ? __irq_set_trigger+0x64e/0x64e [ 1201.983359] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1202.005642] [] ? kzalloc.constprop.9+0x2b/0x2d [ 1202.025249] [] ? i8042_panic_blink+0x1aa/0x1aa [ 1202.048895] [] request_threaded_irq+0x252/0x2b9 [ 1202.069807] [] i8042_probe+0xa6a/0xc59 [ 1202.087589] [] ? i8042_create_aux_port+0x363/0x363 [ 1202.108127] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1202.129800] [] ? platform_device_unregister+0x25/0x25 [ 1202.151283] [] ? i8042_create_aux_port+0x363/0x363 [ 1202.172279] [] platform_drv_probe+0xd3/0x17a [ 1202.192427] [] ? platform_device_unregister+0x25/0x25 [ 1202.215685] [] driver_probe_device+0x654/0xe96 [ 1202.237603] [] ? platform_uevent+0x84/0x84 [ 1202.255282] [] ? driver_probe_device+0xe96/0xe96 [ 1202.277425] [] __driver_attach+0x1b0/0x262 [ 1202.295961] [] bus_for_each_dev+0x163/0x1b9 [ 1202.313749] [] ? next_device+0x65/0x65 [ 1202.332428] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1202.352969] [] driver_attach+0x49/0x4c [ 1202.370979] [] bus_add_driver+0x2be/0x62c [ 1202.389241] [] driver_register+0x2c2/0x353 [ 1202.408121] [] ? i8042_create_aux_port+0x363/0x363 [ 1202.430535] [] __platform_driver_register+0xee/0xf3 [ 1202.453033] [] __platform_driver_probe+0x137/0x2f0 [ 1202.472686] [] __platform_create_bundle+0xc1/0x113 [ 1202.494325] [] ? i8042_create_aux_port+0x363/0x363 [ 1202.515365] [] i8042_init+0x657/0x715 [ 1202.535197] [] ? i8042_toggle_aux+0x126/0x126 [ 1202.555028] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1202.581559] [] ? led_trigger_rename_static+0x9e/0x9e [ 1202.602246] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1202.622596] [] ? led_trigger_register_simple+0x3d/0xcf [ 1202.646589] [] ? i8042_toggle_aux+0x126/0x126 [ 1202.666047] [] do_one_initcall+0x16d/0x258 [ 1202.685636] [] ? initcall_blacklisted+0x198/0x198 [ 1202.708087] [] ? up_write+0x8c/0xd9 [ 1202.724708] [] ? down_write_trylock+0x100/0x100 [ 1202.745033] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1202.768304] [] kernel_init_freeable+0x457/0x518 [ 1202.788195] [] kernel_init+0x16/0x181 [ 1202.807774] [] ret_from_fork+0x1f/0x40 [ 1202.822472] [] ? rest_init+0x8f/0x8f [ 1202.840861] ================================================================================ [ 1202.869265] ================================================================================ [ 1202.901487] UBSAN: Undefined behaviour in kernel/irq/resend.c:74:22 [ 1202.918474] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 1202.948483] which requires 64 byte alignment [ 1202.973566] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1203.009623] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1203.089653] 00000000ffffffff 00000000b1a89c60 ffff88005c9df700 ffffffffb26ec5cc [ 1203.149502] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1203.172824] ffffffff00000010 ffff88005c9df728 ffff88005c9df6d8 ffffffffb363c3e0 [ 1203.197463] Call Trace: [ 1203.205110] [] dump_stack+0xd7/0x132 [ 1203.223033] [] ? arch_local_irq_restore+0x1b/0x1b [ 1203.243490] [] ubsan_epilogue+0x12/0x53 [ 1203.262784] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1203.287488] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1203.310836] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1203.336240] [] ? io_apic_base+0x5f/0xa0 [ 1203.355667] [] ? __unmask_ioapic+0x162/0x175 [ 1203.379191] [] ? ioapic_ack_level+0x29e/0x29e [ 1203.396236] [] check_irq_resend+0x19f/0x225 [ 1203.413957] [] irq_startup+0x190/0x1a3 [ 1203.434897] [] __setup_irq+0xfc2/0x171f [ 1203.452318] [] ? __irq_set_trigger+0x64e/0x64e [ 1203.473772] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1203.498166] [] ? kzalloc.constprop.9+0x2b/0x2d [ 1203.522036] [] ? i8042_panic_blink+0x1aa/0x1aa [ 1203.549768] [] request_threaded_irq+0x252/0x2b9 [ 1203.576202] [] i8042_probe+0xa6a/0xc59 [ 1203.599621] [] ? i8042_create_aux_port+0x363/0x363 [ 1203.624806] [] ? acpi_dev_pm_attach+0x168/0x176 [ 1203.642869] [] ? platform_device_unregister+0x25/0x25 [ 1203.665506] [] ? i8042_create_aux_port+0x363/0x363 [ 1203.684535] [] platform_drv_probe+0xd3/0x17a [ 1203.704539] [] ? platform_device_unregister+0x25/0x25 [ 1203.724954] [] driver_probe_device+0x654/0xe96 [ 1203.748828] [] ? platform_uevent+0x84/0x84 [ 1203.776947] [] ? driver_probe_device+0xe96/0xe96 [ 1203.815132] [] __driver_attach+0x1b0/0x262 [ 1203.834278] [] bus_for_each_dev+0x163/0x1b9 [ 1203.853490] [] ? next_device+0x65/0x65 [ 1203.870761] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1203.896743] [] driver_attach+0x49/0x4c [ 1203.914990] [] bus_add_driver+0x2be/0x62c [ 1203.929935] [] driver_register+0x2c2/0x353 [ 1203.951524] [] ? i8042_create_aux_port+0x363/0x363 [ 1203.974500] [] __platform_driver_register+0xee/0xf3 [ 1203.993853] [] __platform_driver_probe+0x137/0x2f0 [ 1204.014870] [] __platform_create_bundle+0xc1/0x113 [ 1204.034206] [] ? i8042_create_aux_port+0x363/0x363 [ 1204.056385] [] i8042_init+0x657/0x715 [ 1204.073476] [] ? i8042_toggle_aux+0x126/0x126 [ 1204.093991] [] ? devm_led_trigger_register+0x3b/0xa5 [ 1204.118530] [] ? led_trigger_rename_static+0x9e/0x9e [ 1204.141998] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 1204.165818] [] ? led_trigger_register_simple+0x3d/0xcf [ 1204.189147] [] ? i8042_toggle_aux+0x126/0x126 [ 1204.207820] [] do_one_initcall+0x16d/0x258 [ 1204.225907] [] ? initcall_blacklisted+0x198/0x198 [ 1204.246970] [] ? up_write+0x8c/0xd9 [ 1204.263282] [] ? down_write_trylock+0x100/0x100 [ 1204.284725] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1204.306076] [] kernel_init_freeable+0x457/0x518 [ 1204.325778] [] kernel_init+0x16/0x181 [ 1204.347802] [] ret_from_fork+0x1f/0x40 [ 1204.364369] [] ? rest_init+0x8f/0x8f [ 1204.384568] ================================================================================ [ 1204.412970] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 1204.430828] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 1204.464304] mousedev: PS/2 mouse device common for all mice [ 1204.509318] rtc_cmos 00:00: RTC can wake from S4 [ 1204.546647] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input1 [ 1204.547832] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0 [ 1204.552714] rtc_cmos 00:00: alarms up to one day, y3k, 114 bytes nvram, hpet irqs [ 1204.552961] i2c /dev entries driver [ 1204.586436] device-mapper: uevent: version 1.0.3 [ 1204.614476] device-mapper: ioctl: 4.35.0-ioctl (2016-06-23) initialised: dm-devel@redhat.com [ 1204.736404] ledtrig-cpu: registered to indicate activity on CPUs [ 1204.840550] NET: Registered protocol family 10 [ 1204.871491] ================================================================================ [ 1204.903721] UBSAN: Undefined behaviour in net/ipv6/route.c:3619:37 [ 1204.929751] member access within misaligned address ffff8800a2c7a828 for type 'struct rt6_info' [ 1204.973671] which requires 64 byte alignment [ 1204.989775] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1205.008768] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1205.071245] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa48 ffffffffb26ec5cc [ 1205.099690] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1205.131344] ffff880000000010 ffff88005c9dfa70 ffff88005c9dfa20 ffffffffb363c3e0 [ 1205.160304] Call Trace: [ 1205.168922] [] dump_stack+0xd7/0x132 [ 1205.187036] [] ? arch_local_irq_restore+0x1b/0x1b [ 1205.209136] [] ubsan_epilogue+0x12/0x53 [ 1205.230187] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1205.255226] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1205.283125] [] ip6_route_net_init+0x12c/0x6ca [ 1205.305079] [] ? ip6_pkt_prohibit_out+0xc1/0xc1 [ 1205.326820] [] ops_init+0x364/0x3c8 [ 1205.344518] [] ? __list_add+0x211/0x249 [ 1205.367187] [] ? net_alloc_generic+0x64/0x64 [ 1205.389381] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1205.411325] [] ? __list_add+0x211/0x249 [ 1205.432180] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1205.455373] [] register_pernet_operations+0x28a/0x3ea [ 1205.480899] [] ? unregister_pernet_device+0x73/0x73 [ 1205.504383] [] ? percpu_counter_destroy+0xc8/0xc8 [ 1205.522996] [] register_pernet_subsys+0x2e/0x44 [ 1205.548083] [] ip6_route_init+0xf5/0x59d [ 1205.569211] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1205.592310] [] ? ipv6_addr_label_rtnl_register+0x61/0x61 [ 1205.620984] [] inet6_init+0x297/0x54e [ 1205.644105] [] ? af_unix_init+0x62/0x62 [ 1205.667005] [] ? ipv4_netfilter_init+0x17/0x17 [ 1205.688613] [] ? af_unix_init+0x62/0x62 [ 1205.709584] [] do_one_initcall+0x16d/0x258 [ 1205.728575] [] ? initcall_blacklisted+0x198/0x198 [ 1205.752517] [] ? up_write+0x8c/0xd9 [ 1205.771833] [] ? down_write_trylock+0x100/0x100 [ 1205.792455] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1205.816811] [] kernel_init_freeable+0x457/0x518 [ 1205.841251] [] kernel_init+0x16/0x181 [ 1205.860569] [] ret_from_fork+0x1f/0x40 [ 1205.884870] [] ? rest_init+0x8f/0x8f [ 1205.905131] ================================================================================ [ 1205.937557] ================================================================================ [ 1205.970085] UBSAN: Undefined behaviour in net/ipv6/route.c:3621:36 [ 1205.992132] member access within misaligned address ffff8800a2c7a828 for type 'struct rt6_info' [ 1206.023888] which requires 64 byte alignment [ 1206.041440] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1206.067413] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1206.103891] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa48 ffffffffb26ec5cc [ 1206.135167] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1206.168506] ffffffff00000010 ffff88005c9dfa70 ffff88005c9dfa20 ffffffffb363c3e0 [ 1206.193049] Call Trace: [ 1206.201484] [] dump_stack+0xd7/0x132 [ 1206.220704] [] ? arch_local_irq_restore+0x1b/0x1b [ 1206.240590] [] ubsan_epilogue+0x12/0x53 [ 1206.261538] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1206.288536] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1206.314636] [] ip6_route_net_init+0x175/0x6ca [ 1206.336924] [] ? ip6_pkt_prohibit_out+0xc1/0xc1 [ 1206.362917] [] ops_init+0x364/0x3c8 [ 1206.381179] [] ? __list_add+0x211/0x249 [ 1206.402950] [] ? net_alloc_generic+0x64/0x64 [ 1206.427696] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1206.452319] [] ? __list_add+0x211/0x249 [ 1206.471499] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1206.493596] [] register_pernet_operations+0x28a/0x3ea [ 1206.518163] [] ? unregister_pernet_device+0x73/0x73 [ 1206.541228] [] ? percpu_counter_destroy+0xc8/0xc8 [ 1206.567242] [] register_pernet_subsys+0x2e/0x44 [ 1206.589113] [] ip6_route_init+0xf5/0x59d [ 1206.610438] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1206.632525] [] ? ipv6_addr_label_rtnl_register+0x61/0x61 [ 1206.658566] [] inet6_init+0x297/0x54e [ 1206.675258] [] ? af_unix_init+0x62/0x62 [ 1206.695310] [] ? ipv4_netfilter_init+0x17/0x17 [ 1206.720738] [] ? af_unix_init+0x62/0x62 [ 1206.740133] [] do_one_initcall+0x16d/0x258 [ 1206.764474] [] ? initcall_blacklisted+0x198/0x198 [ 1206.786097] [] ? up_write+0x8c/0xd9 [ 1206.806675] [] ? down_write_trylock+0x100/0x100 [ 1206.827310] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1206.854645] [] kernel_init_freeable+0x457/0x518 [ 1206.877167] [] kernel_init+0x16/0x181 [ 1206.895354] [] ret_from_fork+0x1f/0x40 [ 1206.917186] [] ? rest_init+0x8f/0x8f [ 1206.936509] ================================================================================ [ 1206.968711] ================================================================================ [ 1207.003907] UBSAN: Undefined behaviour in net/ipv6/route.c:3631:41 [ 1207.025738] member access within misaligned address ffff8800a2c7b588 for type 'struct rt6_info' [ 1207.056023] which requires 64 byte alignment [ 1207.070747] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1207.092507] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1207.128687] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa48 ffffffffb26ec5cc [ 1207.161952] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1207.191050] ffff880000000010 ffff88005c9dfa70 ffff88005c9dfa20 ffffffffb363c3e0 [ 1207.221546] Call Trace: [ 1207.228235] [] dump_stack+0xd7/0x132 [ 1207.251722] [] ? arch_local_irq_restore+0x1b/0x1b [ 1207.275064] [] ubsan_epilogue+0x12/0x53 [ 1207.312433] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1207.336809] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1207.371843] [] ip6_route_net_init+0x293/0x6ca [ 1207.393130] [] ? ip6_pkt_prohibit_out+0xc1/0xc1 [ 1207.428252] [] ops_init+0x364/0x3c8 [ 1207.484166] [] ? __list_add+0x211/0x249 [ 1207.513173] [] ? net_alloc_generic+0x64/0x64 [ 1207.535653] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1207.560030] [] ? __list_add+0x211/0x249 [ 1207.580297] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1207.605622] [] register_pernet_operations+0x28a/0x3ea [ 1207.630778] [] ? unregister_pernet_device+0x73/0x73 [ 1207.655597] [] ? percpu_counter_destroy+0xc8/0xc8 [ 1207.679197] [] register_pernet_subsys+0x2e/0x44 [ 1207.704792] [] ip6_route_init+0xf5/0x59d [ 1207.726301] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1207.751927] [] ? ipv6_addr_label_rtnl_register+0x61/0x61 [ 1207.782354] [] inet6_init+0x297/0x54e [ 1207.824152] [] ? af_unix_init+0x62/0x62 [ 1207.844306] [] ? ipv4_netfilter_init+0x17/0x17 [ 1207.869654] [] ? af_unix_init+0x62/0x62 [ 1207.892370] [] do_one_initcall+0x16d/0x258 [ 1207.914657] [] ? initcall_blacklisted+0x198/0x198 [ 1207.938561] [] ? up_write+0x8c/0xd9 [ 1207.957432] [] ? down_write_trylock+0x100/0x100 [ 1207.981681] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1208.006517] [] kernel_init_freeable+0x457/0x518 [ 1208.031222] [] kernel_init+0x16/0x181 [ 1208.045735] [] ret_from_fork+0x1f/0x40 [ 1208.069680] [] ? rest_init+0x8f/0x8f [ 1208.088480] ================================================================================ [ 1208.123023] ================================================================================ [ 1208.157292] UBSAN: Undefined behaviour in net/ipv6/route.c:3633:40 [ 1208.184141] member access within misaligned address ffff8800a2c7b588 for type 'struct rt6_info' [ 1208.220294] which requires 64 byte alignment [ 1208.232770] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1208.255409] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1208.310242] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa48 ffffffffb26ec5cc [ 1208.351646] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1208.391722] ffffffff00000010 ffff88005c9dfa70 ffff88005c9dfa20 ffffffffb363c3e0 [ 1208.431147] Call Trace: [ 1208.441468] [] dump_stack+0xd7/0x132 [ 1208.476840] [] ? arch_local_irq_restore+0x1b/0x1b [ 1208.517723] [] ubsan_epilogue+0x12/0x53 [ 1208.536107] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1208.562171] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1208.591851] [] ip6_route_net_init+0x2dc/0x6ca [ 1208.616711] [] ? ip6_pkt_prohibit_out+0xc1/0xc1 [ 1208.640586] [] ops_init+0x364/0x3c8 [ 1208.662793] [] ? __list_add+0x211/0x249 [ 1208.681610] [] ? net_alloc_generic+0x64/0x64 [ 1208.704024] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1208.725725] [] ? __list_add+0x211/0x249 [ 1208.751242] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1208.769406] [] register_pernet_operations+0x28a/0x3ea [ 1208.792320] [] ? unregister_pernet_device+0x73/0x73 [ 1208.819608] [] ? percpu_counter_destroy+0xc8/0xc8 [ 1208.844405] [] register_pernet_subsys+0x2e/0x44 [ 1208.874383] [] ip6_route_init+0xf5/0x59d [ 1208.897389] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1208.925398] [] ? ipv6_addr_label_rtnl_register+0x61/0x61 [ 1208.956694] [] inet6_init+0x297/0x54e [ 1208.976423] [] ? af_unix_init+0x62/0x62 [ 1209.000862] [] ? ipv4_netfilter_init+0x17/0x17 [ 1209.028842] [] ? af_unix_init+0x62/0x62 [ 1209.052650] [] do_one_initcall+0x16d/0x258 [ 1209.076254] [] ? initcall_blacklisted+0x198/0x198 [ 1209.100211] [] ? up_write+0x8c/0xd9 [ 1209.123729] [] ? down_write_trylock+0x100/0x100 [ 1209.148316] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1209.176483] [] kernel_init_freeable+0x457/0x518 [ 1209.204104] [] kernel_init+0x16/0x181 [ 1209.225760] [] ret_from_fork+0x1f/0x40 [ 1209.245525] [] ? rest_init+0x8f/0x8f [ 1209.266921] ================================================================================ [ 1209.298632] ================================================================================ [ 1209.328881] UBSAN: Undefined behaviour in net/ipv6/route.c:3642:41 [ 1209.347631] member access within misaligned address ffff8800a2c78a10 for type 'struct rt6_info' [ 1209.380063] which requires 64 byte alignment [ 1209.392360] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1209.412416] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1209.445192] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa48 ffffffffb26ec5cc [ 1209.471557] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1209.495126] ffff880000000010 ffff88005c9dfa70 ffff88005c9dfa20 ffffffffb363c3e0 [ 1209.524361] Call Trace: [ 1209.531834] [] dump_stack+0xd7/0x132 [ 1209.551055] [] ? arch_local_irq_restore+0x1b/0x1b [ 1209.574056] [] ubsan_epilogue+0x12/0x53 [ 1209.592074] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1209.614183] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1209.640043] [] ip6_route_net_init+0x3ec/0x6ca [ 1209.661170] [] ? ip6_pkt_prohibit_out+0xc1/0xc1 [ 1209.684636] [] ops_init+0x364/0x3c8 [ 1209.702790] [] ? __list_add+0x211/0x249 [ 1209.720764] [] ? net_alloc_generic+0x64/0x64 [ 1209.742377] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1209.764709] [] ? __list_add+0x211/0x249 [ 1209.784335] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1209.804759] [] register_pernet_operations+0x28a/0x3ea [ 1209.827485] [] ? unregister_pernet_device+0x73/0x73 [ 1209.847834] [] ? percpu_counter_destroy+0xc8/0xc8 [ 1209.871228] [] register_pernet_subsys+0x2e/0x44 [ 1209.892040] [] ip6_route_init+0xf5/0x59d [ 1209.911831] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1209.938443] [] ? ipv6_addr_label_rtnl_register+0x61/0x61 [ 1209.961317] [] inet6_init+0x297/0x54e [ 1209.981928] [] ? af_unix_init+0x62/0x62 [ 1210.003665] [] ? ipv4_netfilter_init+0x17/0x17 [ 1210.022586] [] ? af_unix_init+0x62/0x62 [ 1210.040208] [] do_one_initcall+0x16d/0x258 [ 1210.058646] [] ? initcall_blacklisted+0x198/0x198 [ 1210.079990] [] ? up_write+0x8c/0xd9 [ 1210.095159] [] ? down_write_trylock+0x100/0x100 [ 1210.121146] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1210.144286] [] kernel_init_freeable+0x457/0x518 [ 1210.170135] [] kernel_init+0x16/0x181 [ 1210.188815] [] ret_from_fork+0x1f/0x40 [ 1210.207765] [] ? rest_init+0x8f/0x8f [ 1210.225538] ================================================================================ [ 1210.258661] ================================================================================ [ 1210.287552] UBSAN: Undefined behaviour in net/ipv6/route.c:3644:40 [ 1210.307784] member access within misaligned address ffff8800a2c78a10 for type 'struct rt6_info' [ 1210.335388] which requires 64 byte alignment [ 1210.348497] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1210.369152] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1210.398410] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa48 ffffffffb26ec5cc [ 1210.425718] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1210.450294] ffffffff00000010 ffff88005c9dfa70 ffff88005c9dfa20 ffffffffb363c3e0 [ 1210.475653] Call Trace: [ 1210.484952] [] dump_stack+0xd7/0x132 [ 1210.501708] [] ? arch_local_irq_restore+0x1b/0x1b [ 1210.521228] [] ubsan_epilogue+0x12/0x53 [ 1210.540146] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1210.564518] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1210.589541] [] ip6_route_net_init+0x435/0x6ca [ 1210.610235] [] ? ip6_pkt_prohibit_out+0xc1/0xc1 [ 1210.639329] [] ops_init+0x364/0x3c8 [ 1210.656292] [] ? __list_add+0x211/0x249 [ 1210.674791] [] ? net_alloc_generic+0x64/0x64 [ 1210.695089] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1210.713270] [] ? __list_add+0x211/0x249 [ 1210.732275] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1210.754928] [] register_pernet_operations+0x28a/0x3ea [ 1210.773499] [] ? unregister_pernet_device+0x73/0x73 [ 1210.794228] [] ? percpu_counter_destroy+0xc8/0xc8 [ 1210.814374] [] register_pernet_subsys+0x2e/0x44 [ 1210.837978] [] ip6_route_init+0xf5/0x59d [ 1210.857492] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1210.875520] [] ? ipv6_addr_label_rtnl_register+0x61/0x61 [ 1210.901096] [] inet6_init+0x297/0x54e [ 1210.920415] [] ? af_unix_init+0x62/0x62 [ 1210.938338] [] ? ipv4_netfilter_init+0x17/0x17 [ 1210.959722] [] ? af_unix_init+0x62/0x62 [ 1210.975892] [] do_one_initcall+0x16d/0x258 [ 1210.997184] [] ? initcall_blacklisted+0x198/0x198 [ 1211.019034] [] ? up_write+0x8c/0xd9 [ 1211.031818] [] ? down_write_trylock+0x100/0x100 [ 1211.052628] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1211.073362] [] kernel_init_freeable+0x457/0x518 [ 1211.090370] [] kernel_init+0x16/0x181 [ 1211.108408] [] ret_from_fork+0x1f/0x40 [ 1211.124725] [] ? rest_init+0x8f/0x8f [ 1211.138400] ================================================================================ [ 1211.170096] ================================================================================ [ 1211.201236] UBSAN: Undefined behaviour in net/ipv6/route.c:3772:40 [ 1211.220261] member access within misaligned address ffff8800a2c7a828 for type 'struct rt6_info' [ 1211.250705] which requires 64 byte alignment [ 1211.265126] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1211.284709] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1211.316599] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc10 ffffffffb26ec5cc [ 1211.343392] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1211.381872] ffffffff00000010 ffff88005c9dfc38 ffff88005c9dfbe8 ffffffffb363c3e0 [ 1211.406722] Call Trace: [ 1211.412798] [] dump_stack+0xd7/0x132 [ 1211.430168] [] ? arch_local_irq_restore+0x1b/0x1b [ 1211.450764] [] ubsan_epilogue+0x12/0x53 [ 1211.470479] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1211.492894] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1211.513325] [] ? percpu_counter_destroy+0xc8/0xc8 [ 1211.535747] [] ip6_route_init+0x151/0x59d [ 1211.555369] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1211.575870] [] ? ipv6_addr_label_rtnl_register+0x61/0x61 [ 1211.598626] [] inet6_init+0x297/0x54e [ 1211.613668] [] ? af_unix_init+0x62/0x62 [ 1211.631972] [] ? ipv4_netfilter_init+0x17/0x17 [ 1211.653435] [] ? af_unix_init+0x62/0x62 [ 1211.671496] [] do_one_initcall+0x16d/0x258 [ 1211.689202] [] ? initcall_blacklisted+0x198/0x198 [ 1211.709418] [] ? up_write+0x8c/0xd9 [ 1211.726098] [] ? down_write_trylock+0x100/0x100 [ 1211.746924] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1211.768012] [] kernel_init_freeable+0x457/0x518 [ 1211.787255] [] kernel_init+0x16/0x181 [ 1211.806508] [] ret_from_fork+0x1f/0x40 [ 1211.822516] [] ? rest_init+0x8f/0x8f [ 1211.838865] ================================================================================ [ 1211.867332] ================================================================================ [ 1211.892689] UBSAN: Undefined behaviour in net/ipv6/route.c:3773:42 [ 1211.916462] member access within misaligned address ffff8800a2c7a828 for type 'struct rt6_info' [ 1211.944513] which requires 64 byte alignment [ 1211.959686] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1211.978497] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1212.010880] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc10 ffffffffb26ec5cc [ 1212.034129] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1212.060511] ffff880000000010 ffff88005c9dfc38 ffff88005c9dfbe8 ffffffffb363c3e0 [ 1212.085702] Call Trace: [ 1212.091872] [] dump_stack+0xd7/0x132 [ 1212.110756] [] ? arch_local_irq_restore+0x1b/0x1b [ 1212.131792] [] ubsan_epilogue+0x12/0x53 [ 1212.150243] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1212.172449] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1212.194819] [] ? percpu_counter_destroy+0xc8/0xc8 [ 1212.215247] [] ip6_route_init+0x18d/0x59d [ 1212.235800] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1212.253776] [] ? ipv6_addr_label_rtnl_register+0x61/0x61 [ 1212.279604] [] inet6_init+0x297/0x54e [ 1212.295075] [] ? af_unix_init+0x62/0x62 [ 1212.313765] [] ? ipv4_netfilter_init+0x17/0x17 [ 1212.334141] [] ? af_unix_init+0x62/0x62 [ 1212.353373] [] do_one_initcall+0x16d/0x258 [ 1212.373319] [] ? initcall_blacklisted+0x198/0x198 [ 1212.393912] [] ? up_write+0x8c/0xd9 [ 1212.410568] [] ? down_write_trylock+0x100/0x100 [ 1212.432419] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1212.454778] [] kernel_init_freeable+0x457/0x518 [ 1212.474222] [] kernel_init+0x16/0x181 [ 1212.493023] [] ret_from_fork+0x1f/0x40 [ 1212.508530] [] ? rest_init+0x8f/0x8f [ 1212.524696] ================================================================================ [ 1212.552436] ================================================================================ [ 1212.579720] UBSAN: Undefined behaviour in net/ipv6/route.c:3775:44 [ 1212.599332] member access within misaligned address ffff8800a2c7b588 for type 'struct rt6_info' [ 1212.626044] which requires 64 byte alignment [ 1212.638582] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1212.660527] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1212.692714] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc10 ffffffffb26ec5cc [ 1212.722812] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1212.744581] ffff880000000010 ffff88005c9dfc38 ffff88005c9dfbe8 ffffffffb363c3e0 [ 1212.773381] Call Trace: [ 1212.780737] [] dump_stack+0xd7/0x132 [ 1212.796392] [] ? arch_local_irq_restore+0x1b/0x1b [ 1212.820692] [] ubsan_epilogue+0x12/0x53 [ 1212.841364] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1212.863469] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1212.890901] [] ? percpu_counter_destroy+0xc8/0xc8 [ 1212.911546] [] ip6_route_init+0x1df/0x59d [ 1212.931861] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1212.954252] [] ? ipv6_addr_label_rtnl_register+0x61/0x61 [ 1212.978913] [] inet6_init+0x297/0x54e [ 1212.994362] [] ? af_unix_init+0x62/0x62 [ 1213.010978] [] ? ipv4_netfilter_init+0x17/0x17 [ 1213.030516] [] ? af_unix_init+0x62/0x62 [ 1213.046600] [] do_one_initcall+0x16d/0x258 [ 1213.064787] [] ? initcall_blacklisted+0x198/0x198 [ 1213.088283] [] ? up_write+0x8c/0xd9 [ 1213.106189] [] ? down_write_trylock+0x100/0x100 [ 1213.127507] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1213.147279] [] kernel_init_freeable+0x457/0x518 [ 1213.165677] [] kernel_init+0x16/0x181 [ 1213.183668] [] ret_from_fork+0x1f/0x40 [ 1213.202711] [] ? rest_init+0x8f/0x8f [ 1213.222352] ================================================================================ [ 1213.248079] ================================================================================ [ 1213.278573] UBSAN: Undefined behaviour in net/ipv6/route.c:3776:46 [ 1213.294950] member access within misaligned address ffff8800a2c7b588 for type 'struct rt6_info' [ 1213.325082] which requires 64 byte alignment [ 1213.339711] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1213.360456] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1213.393004] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc10 ffffffffb26ec5cc [ 1213.415033] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1213.443849] ffff880000000010 ffff88005c9dfc38 ffff88005c9dfbe8 ffffffffb363c3e0 [ 1213.466234] Call Trace: [ 1213.472965] [] dump_stack+0xd7/0x132 [ 1213.491799] [] ? arch_local_irq_restore+0x1b/0x1b [ 1213.512312] [] ubsan_epilogue+0x12/0x53 [ 1213.530597] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1213.552836] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1213.582722] [] ? percpu_counter_destroy+0xc8/0xc8 [ 1213.602011] [] ip6_route_init+0x21b/0x59d [ 1213.623308] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1213.642700] [] ? ipv6_addr_label_rtnl_register+0x61/0x61 [ 1213.663429] [] inet6_init+0x297/0x54e [ 1213.678110] [] ? af_unix_init+0x62/0x62 [ 1213.695162] [] ? ipv4_netfilter_init+0x17/0x17 [ 1213.713918] [] ? af_unix_init+0x62/0x62 [ 1213.731858] [] do_one_initcall+0x16d/0x258 [ 1213.750942] [] ? initcall_blacklisted+0x198/0x198 [ 1213.773255] [] ? up_write+0x8c/0xd9 [ 1213.790061] [] ? down_write_trylock+0x100/0x100 [ 1213.811747] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1213.832363] [] kernel_init_freeable+0x457/0x518 [ 1213.863815] [] kernel_init+0x16/0x181 [ 1213.889173] [] ret_from_fork+0x1f/0x40 [ 1213.907703] [] ? rest_init+0x8f/0x8f [ 1213.924013] ================================================================================ [ 1213.949703] ================================================================================ [ 1213.981623] UBSAN: Undefined behaviour in net/ipv6/route.c:3777:44 [ 1214.004102] member access within misaligned address ffff8800a2c78a10 for type 'struct rt6_info' [ 1214.030596] which requires 64 byte alignment [ 1214.045778] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1214.063474] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1214.093915] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc10 ffffffffb26ec5cc [ 1214.115401] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1214.142672] ffff880000000010 ffff88005c9dfc38 ffff88005c9dfbe8 ffffffffb363c3e0 [ 1214.165787] Call Trace: [ 1214.175087] [] dump_stack+0xd7/0x132 [ 1214.191987] [] ? arch_local_irq_restore+0x1b/0x1b [ 1214.212027] [] ubsan_epilogue+0x12/0x53 [ 1214.231644] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1214.256300] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1214.282504] [] ? percpu_counter_destroy+0xc8/0xc8 [ 1214.303069] [] ip6_route_init+0x26d/0x59d [ 1214.321079] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1214.341374] [] ? ipv6_addr_label_rtnl_register+0x61/0x61 [ 1214.363436] [] inet6_init+0x297/0x54e [ 1214.382016] [] ? af_unix_init+0x62/0x62 [ 1214.401227] [] ? ipv4_netfilter_init+0x17/0x17 [ 1214.420396] [] ? af_unix_init+0x62/0x62 [ 1214.436997] [] do_one_initcall+0x16d/0x258 [ 1214.454727] [] ? initcall_blacklisted+0x198/0x198 [ 1214.474940] [] ? up_write+0x8c/0xd9 [ 1214.492833] [] ? down_write_trylock+0x100/0x100 [ 1214.515433] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1214.538867] [] kernel_init_freeable+0x457/0x518 [ 1214.557804] [] kernel_init+0x16/0x181 [ 1214.575435] [] ret_from_fork+0x1f/0x40 [ 1214.594945] [] ? rest_init+0x8f/0x8f [ 1214.610339] ================================================================================ [ 1214.640834] ================================================================================ [ 1214.669457] UBSAN: Undefined behaviour in net/ipv6/route.c:3778:46 [ 1214.689532] member access within misaligned address ffff8800a2c78a10 for type 'struct rt6_info' [ 1214.717701] which requires 64 byte alignment [ 1214.730414] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1214.752573] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1214.779940] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc10 ffffffffb26ec5cc [ 1214.807600] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1214.830239] ffff880000000010 ffff88005c9dfc38 ffff88005c9dfbe8 ffffffffb363c3e0 [ 1214.859638] Call Trace: [ 1214.866799] [] dump_stack+0xd7/0x132 [ 1214.886908] [] ? arch_local_irq_restore+0x1b/0x1b [ 1214.909283] [] ubsan_epilogue+0x12/0x53 [ 1214.929071] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1214.952129] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1214.976429] [] ? percpu_counter_destroy+0xc8/0xc8 [ 1214.993642] [] ip6_route_init+0x2a9/0x59d [ 1215.012675] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1215.032440] [] ? ipv6_addr_label_rtnl_register+0x61/0x61 [ 1215.058656] [] inet6_init+0x297/0x54e [ 1215.074854] [] ? af_unix_init+0x62/0x62 [ 1215.094615] [] ? ipv4_netfilter_init+0x17/0x17 [ 1215.113326] [] ? af_unix_init+0x62/0x62 [ 1215.135005] [] do_one_initcall+0x16d/0x258 [ 1215.153164] [] ? initcall_blacklisted+0x198/0x198 [ 1215.174857] [] ? up_write+0x8c/0xd9 [ 1215.189804] [] ? down_write_trylock+0x100/0x100 [ 1215.212534] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1215.237072] [] kernel_init_freeable+0x457/0x518 [ 1215.256972] [] kernel_init+0x16/0x181 [ 1215.275045] [] ret_from_fork+0x1f/0x40 [ 1215.292161] [] ? rest_init+0x8f/0x8f [ 1215.309504] ================================================================================ [ 1215.348063] ================================================================================ [ 1215.379848] UBSAN: Undefined behaviour in net/ipv6/route.c:3425:38 [ 1215.400011] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 1215.430922] which requires 64 byte alignment [ 1215.462992] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1215.496302] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1215.558233] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb00 ffffffffb26ec5cc [ 1215.597122] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1215.649404] ffffffff00000010 ffff88005c9dfb28 ffff88005c9dfad8 ffffffffb363c3e0 [ 1215.697106] Call Trace: [ 1215.710271] [] dump_stack+0xd7/0x132 [ 1215.731482] [] ? arch_local_irq_restore+0x1b/0x1b [ 1215.757406] [] ubsan_epilogue+0x12/0x53 [ 1215.776080] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1215.795168] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1215.821088] [] ? __list_add+0x211/0x249 [ 1215.838978] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1215.862635] [] ip6_route_dev_notify+0x98/0x2cc [ 1215.881462] [] call_netdevice_notifier+0x9c/0xcf [ 1215.904335] [] ? dev_getfirstbyhwtype+0x119/0x119 [ 1215.926326] [] register_netdevice_notifier+0xe6/0x350 [ 1215.948483] [] ip6_route_init+0x383/0x59d [ 1215.972438] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1215.994763] [] ? ipv6_addr_label_rtnl_register+0x61/0x61 [ 1216.016989] [] inet6_init+0x297/0x54e [ 1216.032188] [] ? af_unix_init+0x62/0x62 [ 1216.054115] [] ? ipv4_netfilter_init+0x17/0x17 [ 1216.079343] [] ? af_unix_init+0x62/0x62 [ 1216.096874] [] do_one_initcall+0x16d/0x258 [ 1216.114420] [] ? initcall_blacklisted+0x198/0x198 [ 1216.141954] [] ? up_write+0x8c/0xd9 [ 1216.159080] [] ? down_write_trylock+0x100/0x100 [ 1216.178901] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1216.199261] [] kernel_init_freeable+0x457/0x518 [ 1216.221363] [] kernel_init+0x16/0x181 [ 1216.238156] [] ret_from_fork+0x1f/0x40 [ 1216.255407] [] ? rest_init+0x8f/0x8f [ 1216.275342] ================================================================================ [ 1216.300469] ================================================================================ [ 1216.328608] UBSAN: Undefined behaviour in net/ipv6/route.c:3426:37 [ 1216.347894] member access within misaligned address ffff8800a2c7a828 for type 'struct rt6_info' [ 1216.379807] which requires 64 byte alignment [ 1216.392533] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1216.410115] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1216.442965] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb00 ffffffffb26ec5cc [ 1216.465331] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1216.490438] ffff880000000010 ffff88005c9dfb28 ffff88005c9dfad8 ffffffffb363c3e0 [ 1216.513305] Call Trace: [ 1216.521953] [] dump_stack+0xd7/0x132 [ 1216.540273] [] ? arch_local_irq_restore+0x1b/0x1b [ 1216.560004] [] ubsan_epilogue+0x12/0x53 [ 1216.582649] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1216.606195] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1216.628792] [] ? __list_add+0x211/0x249 [ 1216.648588] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1216.670497] [] ip6_route_dev_notify+0xff/0x2cc [ 1216.691537] [] call_netdevice_notifier+0x9c/0xcf [ 1216.712344] [] ? dev_getfirstbyhwtype+0x119/0x119 [ 1216.737356] [] register_netdevice_notifier+0xe6/0x350 [ 1216.762913] [] ip6_route_init+0x383/0x59d [ 1216.783350] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1216.805655] [] ? ipv6_addr_label_rtnl_register+0x61/0x61 [ 1216.828319] [] inet6_init+0x297/0x54e [ 1216.845091] [] ? af_unix_init+0x62/0x62 [ 1216.870030] [] ? ipv4_netfilter_init+0x17/0x17 [ 1216.906126] [] ? af_unix_init+0x62/0x62 [ 1216.925333] [] do_one_initcall+0x16d/0x258 [ 1216.942686] [] ? initcall_blacklisted+0x198/0x198 [ 1216.970693] [] ? up_write+0x8c/0xd9 [ 1216.987880] [] ? down_write_trylock+0x100/0x100 [ 1217.007987] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1217.029735] [] kernel_init_freeable+0x457/0x518 [ 1217.048780] [] kernel_init+0x16/0x181 [ 1217.067928] [] ret_from_fork+0x1f/0x40 [ 1217.082177] [] ? rest_init+0x8f/0x8f [ 1217.104763] ================================================================================ [ 1217.130685] ================================================================================ [ 1217.157484] UBSAN: Undefined behaviour in net/ipv6/route.c:3427:39 [ 1217.176972] member access within misaligned address ffff8800a2c7a828 for type 'struct rt6_info' [ 1217.202992] which requires 64 byte alignment [ 1217.214410] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1217.233196] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1217.264905] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb00 ffffffffb26ec5cc [ 1217.291634] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1217.314383] ffff880000000010 ffff88005c9dfb28 ffff88005c9dfad8 ffffffffb363c3e0 [ 1217.341023] Call Trace: [ 1217.349035] [] dump_stack+0xd7/0x132 [ 1217.368513] [] ? arch_local_irq_restore+0x1b/0x1b [ 1217.392771] [] ubsan_epilogue+0x12/0x53 [ 1217.413827] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1217.436029] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1217.472147] [] ? __list_add+0x211/0x249 [ 1217.493894] [] ip6_route_dev_notify+0x151/0x2cc [ 1217.533095] [] call_netdevice_notifier+0x9c/0xcf [ 1217.589914] [] ? dev_getfirstbyhwtype+0x119/0x119 [ 1217.663454] [] register_netdevice_notifier+0xe6/0x350 [ 1217.706649] [] ip6_route_init+0x383/0x59d [ 1217.730430] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1217.755323] [] ? ipv6_addr_label_rtnl_register+0x61/0x61 [ 1217.813020] [] inet6_init+0x297/0x54e [ 1217.834829] [] ? af_unix_init+0x62/0x62 [ 1217.856642] [] ? ipv4_netfilter_init+0x17/0x17 [ 1217.874678] [] ? af_unix_init+0x62/0x62 [ 1217.894725] [] do_one_initcall+0x16d/0x258 [ 1217.911938] [] ? initcall_blacklisted+0x198/0x198 [ 1217.932956] [] ? up_write+0x8c/0xd9 [ 1217.950060] [] ? down_write_trylock+0x100/0x100 [ 1217.972512] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1217.992607] [] kernel_init_freeable+0x457/0x518 [ 1218.013126] [] kernel_init+0x16/0x181 [ 1218.029649] [] ret_from_fork+0x1f/0x40 [ 1218.046887] [] ? rest_init+0x8f/0x8f [ 1218.064899] ================================================================================ [ 1218.094110] ================================================================================ [ 1218.125083] UBSAN: Undefined behaviour in net/ipv6/route.c:3429:41 [ 1218.144006] member access within misaligned address ffff8800a2c7b588 for type 'struct rt6_info' [ 1218.177074] which requires 64 byte alignment [ 1218.191667] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1218.211848] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1218.247395] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb00 ffffffffb26ec5cc [ 1218.274790] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1218.297601] ffff880000000010 ffff88005c9dfb28 ffff88005c9dfad8 ffffffffb363c3e0 [ 1218.326842] Call Trace: [ 1218.333142] [] dump_stack+0xd7/0x132 [ 1218.352875] [] ? arch_local_irq_restore+0x1b/0x1b [ 1218.380636] [] ubsan_epilogue+0x12/0x53 [ 1218.401357] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1218.427867] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1218.454217] [] ? __list_add+0x211/0x249 [ 1218.476140] [] ip6_route_dev_notify+0x1aa/0x2cc [ 1218.497922] [] call_netdevice_notifier+0x9c/0xcf [ 1218.523476] [] ? dev_getfirstbyhwtype+0x119/0x119 [ 1218.547126] [] register_netdevice_notifier+0xe6/0x350 [ 1218.568975] [] ip6_route_init+0x383/0x59d [ 1218.593564] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1218.611561] [] ? ipv6_addr_label_rtnl_register+0x61/0x61 [ 1218.635644] [] inet6_init+0x297/0x54e [ 1218.654974] [] ? af_unix_init+0x62/0x62 [ 1218.673319] [] ? ipv4_netfilter_init+0x17/0x17 [ 1218.693826] [] ? af_unix_init+0x62/0x62 [ 1218.710753] [] do_one_initcall+0x16d/0x258 [ 1218.728687] [] ? initcall_blacklisted+0x198/0x198 [ 1218.750230] [] ? up_write+0x8c/0xd9 [ 1218.767459] [] ? down_write_trylock+0x100/0x100 [ 1218.788127] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1218.810005] [] kernel_init_freeable+0x457/0x518 [ 1218.831056] [] kernel_init+0x16/0x181 [ 1218.848582] [] ret_from_fork+0x1f/0x40 [ 1218.864843] [] ? rest_init+0x8f/0x8f [ 1218.881710] ================================================================================ [ 1218.912088] ================================================================================ [ 1218.940330] UBSAN: Undefined behaviour in net/ipv6/route.c:3430:43 [ 1218.964073] member access within misaligned address ffff8800a2c7b588 for type 'struct rt6_info' [ 1218.992348] which requires 64 byte alignment [ 1219.007201] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1219.026422] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1219.056492] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb00 ffffffffb26ec5cc [ 1219.080641] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1219.108637] ffff880000000010 ffff88005c9dfb28 ffff88005c9dfad8 ffffffffb363c3e0 [ 1219.131629] Call Trace: [ 1219.141525] [] dump_stack+0xd7/0x132 [ 1219.160630] [] ? arch_local_irq_restore+0x1b/0x1b [ 1219.181472] [] ubsan_epilogue+0x12/0x53 [ 1219.197960] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1219.222372] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1219.241493] [] ? __list_add+0x211/0x249 [ 1219.259948] [] ip6_route_dev_notify+0x1fc/0x2cc [ 1219.279013] [] call_netdevice_notifier+0x9c/0xcf [ 1219.297322] [] ? dev_getfirstbyhwtype+0x119/0x119 [ 1219.315908] [] register_netdevice_notifier+0xe6/0x350 [ 1219.338541] [] ip6_route_init+0x383/0x59d [ 1219.356151] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1219.377050] [] ? ipv6_addr_label_rtnl_register+0x61/0x61 [ 1219.397594] [] inet6_init+0x297/0x54e [ 1219.413012] [] ? af_unix_init+0x62/0x62 [ 1219.430943] [] ? ipv4_netfilter_init+0x17/0x17 [ 1219.451774] [] ? af_unix_init+0x62/0x62 [ 1219.468211] [] do_one_initcall+0x16d/0x258 [ 1219.489154] [] ? initcall_blacklisted+0x198/0x198 [ 1219.508600] [] ? up_write+0x8c/0xd9 [ 1219.526861] [] ? down_write_trylock+0x100/0x100 [ 1219.548851] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1219.572106] [] kernel_init_freeable+0x457/0x518 [ 1219.596954] [] kernel_init+0x16/0x181 [ 1219.618741] [] ret_from_fork+0x1f/0x40 [ 1219.635066] [] ? rest_init+0x8f/0x8f [ 1219.654147] ================================================================================ [ 1219.682691] ================================================================================ [ 1219.712568] UBSAN: Undefined behaviour in net/ipv6/route.c:3431:41 [ 1219.734552] member access within misaligned address ffff8800a2c78a10 for type 'struct rt6_info' [ 1219.772694] which requires 64 byte alignment [ 1219.788901] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1219.812350] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1219.847610] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb00 ffffffffb26ec5cc [ 1219.877602] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1219.908969] ffff880000000010 ffff88005c9dfb28 ffff88005c9dfad8 ffffffffb363c3e0 [ 1219.932055] Call Trace: [ 1219.941035] [] dump_stack+0xd7/0x132 [ 1219.957553] [] ? arch_local_irq_restore+0x1b/0x1b [ 1219.978590] [] ubsan_epilogue+0x12/0x53 [ 1219.993559] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1220.013215] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1220.033862] [] ? __list_add+0x211/0x249 [ 1220.054508] [] ip6_route_dev_notify+0x255/0x2cc [ 1220.074514] [] call_netdevice_notifier+0x9c/0xcf [ 1220.093278] [] ? dev_getfirstbyhwtype+0x119/0x119 [ 1220.115001] [] register_netdevice_notifier+0xe6/0x350 [ 1220.137505] [] ip6_route_init+0x383/0x59d [ 1220.157499] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1220.174304] [] ? ipv6_addr_label_rtnl_register+0x61/0x61 [ 1220.196465] [] inet6_init+0x297/0x54e [ 1220.215289] [] ? af_unix_init+0x62/0x62 [ 1220.232933] [] ? ipv4_netfilter_init+0x17/0x17 [ 1220.253149] [] ? af_unix_init+0x62/0x62 [ 1220.274033] [] do_one_initcall+0x16d/0x258 [ 1220.293812] [] ? initcall_blacklisted+0x198/0x198 [ 1220.312144] [] ? up_write+0x8c/0xd9 [ 1220.330301] [] ? down_write_trylock+0x100/0x100 [ 1220.349887] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1220.373547] [] kernel_init_freeable+0x457/0x518 [ 1220.394426] [] kernel_init+0x16/0x181 [ 1220.411710] [] ret_from_fork+0x1f/0x40 [ 1220.429755] [] ? rest_init+0x8f/0x8f [ 1220.447380] ================================================================================ [ 1220.479511] ================================================================================ [ 1220.507764] UBSAN: Undefined behaviour in net/ipv6/route.c:3432:43 [ 1220.530375] member access within misaligned address ffff8800a2c78a10 for type 'struct rt6_info' [ 1220.558809] which requires 64 byte alignment [ 1220.573659] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1220.596142] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1220.627966] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb00 ffffffffb26ec5cc [ 1220.651291] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1220.681565] ffff880000000010 ffff88005c9dfb28 ffff88005c9dfad8 ffffffffb363c3e0 [ 1220.706876] Call Trace: [ 1220.714720] [] dump_stack+0xd7/0x132 [ 1220.731755] [] ? arch_local_irq_restore+0x1b/0x1b [ 1220.752135] [] ubsan_epilogue+0x12/0x53 [ 1220.772088] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1220.795770] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1220.817114] [] ? __list_add+0x211/0x249 [ 1220.833626] [] ip6_route_dev_notify+0x2a6/0x2cc [ 1220.854435] [] call_netdevice_notifier+0x9c/0xcf [ 1220.874774] [] ? dev_getfirstbyhwtype+0x119/0x119 [ 1220.896238] [] register_netdevice_notifier+0xe6/0x350 [ 1220.919139] [] ip6_route_init+0x383/0x59d [ 1220.935120] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 1220.958271] [] ? ipv6_addr_label_rtnl_register+0x61/0x61 [ 1220.980569] [] inet6_init+0x297/0x54e [ 1220.999859] [] ? af_unix_init+0x62/0x62 [ 1221.017924] [] ? ipv4_netfilter_init+0x17/0x17 [ 1221.041141] [] ? af_unix_init+0x62/0x62 [ 1221.059612] [] do_one_initcall+0x16d/0x258 [ 1221.077574] [] ? initcall_blacklisted+0x198/0x198 [ 1221.096549] [] ? up_write+0x8c/0xd9 [ 1221.113284] [] ? down_write_trylock+0x100/0x100 [ 1221.133643] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1221.157267] [] kernel_init_freeable+0x457/0x518 [ 1221.176943] [] kernel_init+0x16/0x181 [ 1221.192625] [] ret_from_fork+0x1f/0x40 [ 1221.212090] [] ? rest_init+0x8f/0x8f [ 1221.231153] ================================================================================ [ 1221.283846] ================================================================================ [ 1221.310609] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:342:9 [ 1221.332453] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 1221.362928] which requires 64 byte alignment [ 1221.375950] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1221.398844] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1221.428728] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbc0 ffffffffb26ec5cc [ 1221.451778] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1221.480033] ffff880000000010 ffff88005c9dfbe8 ffff88005c9dfb98 ffffffffb363c3e0 [ 1221.504315] Call Trace: [ 1221.512441] [] dump_stack+0xd7/0x132 [ 1221.532618] [] ? arch_local_irq_restore+0x1b/0x1b [ 1221.552053] [] ubsan_epilogue+0x12/0x53 [ 1221.573307] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1221.600766] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1221.624364] [] ? workqueue_sysfs_register+0x305/0x305 [ 1221.647149] [] ipv6_add_dev+0xca/0xd4f [ 1221.663176] [] ? mutex_set_owner+0x8e/0xc6 [ 1221.681086] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 1221.707573] [] ? addrconf_sysctl_register+0x196/0x196 [ 1221.730914] [] addrconf_init+0xac/0x291 [ 1221.749537] [] inet6_init+0x2d3/0x54e [ 1221.765792] [] ? af_unix_init+0x62/0x62 [ 1221.792138] [] ? ipv4_netfilter_init+0x17/0x17 [ 1221.814070] [] ? af_unix_init+0x62/0x62 [ 1221.831673] [] do_one_initcall+0x16d/0x258 [ 1221.852058] [] ? initcall_blacklisted+0x198/0x198 [ 1221.873547] [] ? up_write+0x8c/0xd9 [ 1221.886308] [] ? down_write_trylock+0x100/0x100 [ 1221.907396] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1221.928866] [] kernel_init_freeable+0x457/0x518 [ 1221.949470] [] kernel_init+0x16/0x181 [ 1221.978123] [] ret_from_fork+0x1f/0x40 [ 1221.995861] [] ? rest_init+0x8f/0x8f [ 1222.025591] ================================================================================ [ 1222.051048] ================================================================================ [ 1222.080626] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:361:22 [ 1222.102657] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 1222.130138] which requires 64 byte alignment [ 1222.142976] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1222.163320] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1222.195779] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbc0 ffffffffb26ec5cc [ 1222.224931] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1222.248627] ffff880000000010 ffff88005c9dfbe8 ffff88005c9dfb98 ffffffffb363c3e0 [ 1222.275558] Call Trace: [ 1222.281572] [] dump_stack+0xd7/0x132 [ 1222.297792] [] ? arch_local_irq_restore+0x1b/0x1b [ 1222.320367] [] ubsan_epilogue+0x12/0x53 [ 1222.335916] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1222.360397] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1222.383103] [] ? memset+0x31/0x38 [ 1222.401136] [] ipv6_add_dev+0x386/0xd4f [ 1222.420826] [] ? mutex_set_owner+0x8e/0xc6 [ 1222.437690] [] ? addrconf_sysctl_register+0x196/0x196 [ 1222.463353] [] addrconf_init+0xac/0x291 [ 1222.483848] [] inet6_init+0x2d3/0x54e [ 1222.504063] [] ? af_unix_init+0x62/0x62 [ 1222.521866] [] ? ipv4_netfilter_init+0x17/0x17 [ 1222.538296] [] ? af_unix_init+0x62/0x62 [ 1222.560004] [] do_one_initcall+0x16d/0x258 [ 1222.581945] [] ? initcall_blacklisted+0x198/0x198 [ 1222.603181] [] ? up_write+0x8c/0xd9 [ 1222.617193] [] ? down_write_trylock+0x100/0x100 [ 1222.638233] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1222.665559] [] kernel_init_freeable+0x457/0x518 [ 1222.688483] [] kernel_init+0x16/0x181 [ 1222.707777] [] ret_from_fork+0x1f/0x40 [ 1222.724209] [] ? rest_init+0x8f/0x8f [ 1222.738471] ================================================================================ [ 1222.779141] ================================================================================ [ 1222.809921] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:3368:2 [ 1222.830613] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 1222.861647] which requires 64 byte alignment [ 1222.875041] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1222.895089] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1222.928898] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbc0 ffffffffb26ec5cc [ 1222.954441] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1222.982290] 0000000000000010 ffff88005c9dfbe8 ffff88005c9dfb98 ffffffffb363c3e0 [ 1223.082900] Call Trace: [ 1223.090460] [] dump_stack+0xd7/0x132 [ 1223.106895] [] ? arch_local_irq_restore+0x1b/0x1b [ 1223.127424] [] ubsan_epilogue+0x12/0x53 [ 1223.146419] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1223.168084] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1223.193479] [] ? memset+0x31/0x38 [ 1223.212244] [] ipv6_add_dev+0x47e/0xd4f [ 1223.231294] [] ? mutex_set_owner+0x8e/0xc6 [ 1223.251270] [] ? addrconf_sysctl_register+0x196/0x196 [ 1223.275240] [] addrconf_init+0xac/0x291 [ 1223.294544] [] inet6_init+0x2d3/0x54e [ 1223.315971] [] ? af_unix_init+0x62/0x62 [ 1223.331554] [] ? ipv4_netfilter_init+0x17/0x17 [ 1223.359596] [] ? af_unix_init+0x62/0x62 [ 1223.381196] [] do_one_initcall+0x16d/0x258 [ 1223.405678] [] ? initcall_blacklisted+0x198/0x198 [ 1223.427867] [] ? up_write+0x8c/0xd9 [ 1223.446479] [] ? down_write_trylock+0x100/0x100 [ 1223.469023] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1223.487580] [] kernel_init_freeable+0x457/0x518 [ 1223.509213] [] kernel_init+0x16/0x181 [ 1223.526379] [] ret_from_fork+0x1f/0x40 [ 1223.544308] [] ? rest_init+0x8f/0x8f [ 1223.559688] ================================================================================ [ 1223.588777] ================================================================================ [ 1223.619084] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:394:9 [ 1223.638935] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 1223.665186] which requires 64 byte alignment [ 1223.681446] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1223.699285] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1223.730939] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbc0 ffffffffb26ec5cc [ 1223.755721] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1223.782866] ffff880000000010 ffff88005c9dfbe8 ffff88005c9dfb98 ffffffffb363c3e0 [ 1223.806669] Call Trace: [ 1223.812966] [] dump_stack+0xd7/0x132 [ 1223.829359] [] ? arch_local_irq_restore+0x1b/0x1b [ 1223.849824] [] ubsan_epilogue+0x12/0x53 [ 1223.866705] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1223.887425] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1223.911522] [] ? proc_create_data+0x15b/0x16a [ 1223.931329] [] ipv6_add_dev+0x8d3/0xd4f [ 1223.951528] [] ? addrconf_sysctl_register+0x196/0x196 [ 1223.974280] [] addrconf_init+0xac/0x291 [ 1223.995646] [] inet6_init+0x2d3/0x54e [ 1224.032539] [] ? af_unix_init+0x62/0x62 [ 1224.061166] [] ? ipv4_netfilter_init+0x17/0x17 [ 1224.110340] [] ? af_unix_init+0x62/0x62 [ 1224.128727] [] do_one_initcall+0x16d/0x258 [ 1224.148923] [] ? initcall_blacklisted+0x198/0x198 [ 1224.168565] [] ? up_write+0x8c/0xd9 [ 1224.187297] [] ? down_write_trylock+0x100/0x100 [ 1224.208642] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1224.231795] [] kernel_init_freeable+0x457/0x518 [ 1224.251919] [] kernel_init+0x16/0x181 [ 1224.270814] [] ret_from_fork+0x1f/0x40 [ 1224.291131] [] ? rest_init+0x8f/0x8f [ 1224.305863] ================================================================================ [ 1224.332075] ================================================================================ [ 1224.363517] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:406:10 [ 1224.382374] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 1224.414586] which requires 64 byte alignment [ 1224.426976] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1224.446400] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1224.476045] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbc0 ffffffffb26ec5cc [ 1224.502079] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1224.529402] ffff880000000010 ffff88005c9dfbe8 ffff88005c9dfb98 ffffffffb363c3e0 [ 1224.554731] Call Trace: [ 1224.564398] [] dump_stack+0xd7/0x132 [ 1224.582928] [] ? arch_local_irq_restore+0x1b/0x1b [ 1224.604767] [] ubsan_epilogue+0x12/0x53 [ 1224.627330] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1224.651349] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1224.677087] [] ? memset+0x31/0x38 [ 1224.692978] [] ipv6_add_dev+0x9f3/0xd4f [ 1224.712659] [] ? addrconf_sysctl_register+0x196/0x196 [ 1224.735298] [] addrconf_init+0xac/0x291 [ 1224.756000] [] inet6_init+0x2d3/0x54e [ 1224.773576] [] ? af_unix_init+0x62/0x62 [ 1224.890587] [] ? ipv4_netfilter_init+0x17/0x17 [ 1224.911510] [] ? af_unix_init+0x62/0x62 [ 1224.929273] [] do_one_initcall+0x16d/0x258 [ 1224.948461] [] ? initcall_blacklisted+0x198/0x198 [ 1224.974586] [] ? up_write+0x8c/0xd9 [ 1224.995314] [] ? down_write_trylock+0x100/0x100 [ 1225.015811] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1225.036387] [] kernel_init_freeable+0x457/0x518 [ 1225.058996] [] kernel_init+0x16/0x181 [ 1225.076210] [] ret_from_fork+0x1f/0x40 [ 1225.094631] [] ? rest_init+0x8f/0x8f [ 1225.112193] ================================================================================ [ 1225.143427] ================================================================================ [ 1225.173054] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:6062:11 [ 1225.194286] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 1225.225718] which requires 64 byte alignment [ 1225.238827] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1225.263955] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1225.303611] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfaa0 ffffffffb26ec5cc [ 1225.330181] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1225.355862] ffff880000000010 ffff88005c9dfac8 ffff88005c9dfa78 ffffffffb363c3e0 [ 1225.383507] Call Trace: [ 1225.392707] [] dump_stack+0xd7/0x132 [ 1225.410146] [] ? arch_local_irq_restore+0x1b/0x1b [ 1225.427794] [] ubsan_epilogue+0x12/0x53 [ 1225.446108] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1225.469255] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1225.491972] [] __addrconf_sysctl_register+0x301/0x38c [ 1225.511223] [] ? inet6_netconf_notify_devconf+0x14e/0x14e [ 1225.531154] [] ? _raw_write_unlock_bh+0x8e/0xbd [ 1225.549661] [] ? _raw_write_trylock+0x4e/0x4e [ 1225.568757] [] addrconf_sysctl_register+0x14a/0x196 [ 1225.593488] [] ipv6_add_dev+0xc35/0xd4f [ 1225.612614] [] ? addrconf_sysctl_register+0x196/0x196 [ 1225.633400] [] addrconf_init+0xac/0x291 [ 1225.652185] [] inet6_init+0x2d3/0x54e [ 1225.670388] [] ? af_unix_init+0x62/0x62 [ 1225.688523] [] ? ipv4_netfilter_init+0x17/0x17 [ 1225.707178] [] ? af_unix_init+0x62/0x62 [ 1225.725678] [] do_one_initcall+0x16d/0x258 [ 1225.742044] [] ? initcall_blacklisted+0x198/0x198 [ 1225.763102] [] ? up_write+0x8c/0xd9 [ 1225.781665] [] ? down_write_trylock+0x100/0x100 [ 1225.804555] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1225.826762] [] kernel_init_freeable+0x457/0x518 [ 1225.845280] [] kernel_init+0x16/0x181 [ 1225.861535] [] ret_from_fork+0x1f/0x40 [ 1225.876724] [] ? rest_init+0x8f/0x8f [ 1225.897484] ================================================================================ [ 1225.926389] ================================================================================ [ 1225.955082] UBSAN: Undefined behaviour in net/ipv6/ndisc.c:285:13 [ 1225.976131] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 1226.008767] which requires 64 byte alignment [ 1226.020392] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1226.044342] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1226.073583] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9f8 ffffffffb26ec5cc [ 1226.099832] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1226.125406] ffff880000000010 ffff88005c9dfa20 ffff88005c9df9d0 ffffffffb363c3e0 [ 1226.149555] Call Trace: [ 1226.156786] [] dump_stack+0xd7/0x132 [ 1226.173080] [] ? arch_local_irq_restore+0x1b/0x1b [ 1226.196858] [] ubsan_epilogue+0x12/0x53 [ 1226.213701] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1226.235314] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1226.260264] [] ? ipv6_dev_mc_inc+0x2ad/0x885 [ 1226.277171] [] ? netlink_broadcast+0x40/0x42 [ 1226.295062] [] ndisc_mc_map+0x3f/0x577 [ 1226.312859] [] igmp6_group_added+0x1a9/0x5a7 [ 1226.332095] [] ? ip6_mc_add_src+0x759/0x759 [ 1226.352320] [] ? _raw_write_unlock_bh+0x8e/0xbd [ 1226.371086] [] ? _raw_write_trylock+0x4e/0x4e [ 1226.390463] [] ? memset+0x31/0x38 [ 1226.405642] [] ipv6_dev_mc_inc+0x5ee/0x885 [ 1226.426258] [] ? inet6_mc_check+0x2ae/0x2ae [ 1226.444791] [] ipv6_add_dev+0x7b3/0xd4f [ 1226.461661] [] ? addrconf_sysctl_register+0x196/0x196 [ 1226.481666] [] addrconf_init+0xac/0x291 [ 1226.497750] [] inet6_init+0x2d3/0x54e [ 1226.512278] [] ? af_unix_init+0x62/0x62 [ 1226.528008] [] ? ipv4_netfilter_init+0x17/0x17 [ 1226.547450] [] ? af_unix_init+0x62/0x62 [ 1226.565347] [] do_one_initcall+0x16d/0x258 [ 1226.584882] [] ? initcall_blacklisted+0x198/0x198 [ 1226.603883] [] ? up_write+0x8c/0xd9 [ 1226.622981] [] ? down_write_trylock+0x100/0x100 [ 1226.648449] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1226.668107] [] kernel_init_freeable+0x457/0x518 [ 1226.687022] [] kernel_init+0x16/0x181 [ 1226.705071] [] ret_from_fork+0x1f/0x40 [ 1226.725098] [] ? rest_init+0x8f/0x8f [ 1226.738170] ================================================================================ [ 1226.767265] ================================================================================ [ 1226.795670] UBSAN: Undefined behaviour in net/ipv6/mcast.c:659:11 [ 1226.816145] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 1226.844147] which requires 64 byte alignment [ 1226.854084] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1226.878505] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1226.909156] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa38 ffffffffb26ec5cc [ 1226.932370] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1226.955823] ffff880000000010 ffff88005c9dfa60 ffff88005c9dfa10 ffffffffb363c3e0 [ 1226.982709] Call Trace: [ 1226.989698] [] dump_stack+0xd7/0x132 [ 1227.004483] [] ? arch_local_irq_restore+0x1b/0x1b [ 1227.024439] [] ubsan_epilogue+0x12/0x53 [ 1227.042159] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1227.063881] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1227.087875] [] ? do_softirq+0x3d/0x40 [ 1227.104655] [] igmp6_group_added+0x1e8/0x5a7 [ 1227.124946] [] ? ip6_mc_add_src+0x759/0x759 [ 1227.142766] [] ? _raw_write_unlock_bh+0x8e/0xbd [ 1227.161697] [] ? _raw_write_trylock+0x4e/0x4e [ 1227.180852] [] ? memset+0x31/0x38 [ 1227.195075] [] ipv6_dev_mc_inc+0x5ee/0x885 [ 1227.213786] [] ? inet6_mc_check+0x2ae/0x2ae [ 1227.231100] [] ipv6_add_dev+0x7b3/0xd4f [ 1227.247472] [] ? addrconf_sysctl_register+0x196/0x196 [ 1227.268071] [] addrconf_init+0xac/0x291 [ 1227.284367] [] inet6_init+0x2d3/0x54e [ 1227.301852] [] ? af_unix_init+0x62/0x62 [ 1227.318272] [] ? ipv4_netfilter_init+0x17/0x17 [ 1227.333825] [] ? af_unix_init+0x62/0x62 [ 1227.352406] [] do_one_initcall+0x16d/0x258 [ 1227.372001] [] ? initcall_blacklisted+0x198/0x198 [ 1227.389629] [] ? up_write+0x8c/0xd9 [ 1227.407507] [] ? down_write_trylock+0x100/0x100 [ 1227.426848] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1227.447396] [] kernel_init_freeable+0x457/0x518 [ 1227.467529] [] kernel_init+0x16/0x181 [ 1227.484272] [] ret_from_fork+0x1f/0x40 [ 1227.500434] [] ? rest_init+0x8f/0x8f [ 1227.515588] ================================================================================ [ 1227.549285] NET: Registered protocol family 17 [ 1227.563313] Key type dns_resolver registered [ 1227.596139] ================================================================================ [ 1227.624546] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 1227.646885] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 1227.677097] which requires 8 byte alignment [ 1227.690674] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1227.709663] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1227.737486] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc60 ffffffffb26ec5cc [ 1227.763365] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1227.793849] ffffffff00000010 ffff88005c9dfc88 ffff88005c9dfc38 ffffffffb363c3e0 [ 1227.815750] Call Trace: [ 1227.823852] [] dump_stack+0xd7/0x132 [ 1227.843336] [] ? arch_local_irq_restore+0x1b/0x1b [ 1227.861710] [] ubsan_epilogue+0x12/0x53 [ 1227.880238] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1227.902502] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1227.925138] [] ? try_to_run_init_process+0x48/0x48 [ 1227.948061] [] init_intel_microcode+0xc9/0xfd [ 1227.965875] [] microcode_init+0xea/0x32d [ 1227.988691] [] ? save_microcode_in_initrd+0xc7/0xc7 [ 1228.010748] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 1228.028442] [] ? mcheck_vendor_init_severity+0x35/0x35 [ 1228.050552] [] ? save_microcode_in_initrd+0xc7/0xc7 [ 1228.070093] [] do_one_initcall+0x16d/0x258 [ 1228.088863] [] ? initcall_blacklisted+0x198/0x198 [ 1228.111840] [] ? up_write+0x8c/0xd9 [ 1228.127645] [] ? down_write_trylock+0x100/0x100 [ 1228.148722] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1228.169472] [] kernel_init_freeable+0x457/0x518 [ 1228.190702] [] kernel_init+0x16/0x181 [ 1228.207011] [] ret_from_fork+0x1f/0x40 [ 1228.225521] [] ? rest_init+0x8f/0x8f [ 1228.242321] ================================================================================ [ 1228.272075] microcode: sig=0x663, pf=0x1, revision=0x1 [ 1228.306518] microcode: Microcode Update Driver: v2.01 , Peter Oruba [ 1228.345005] registered taskstats version 1 [ 1228.358768] Loading compiled-in X.509 certificates [ 1228.376103] ================================================================================ [ 1228.403025] UBSAN: Undefined behaviour in ./include/uapi/linux/swab.h:191:9 [ 1228.426999] load of misaligned address ffffffffb79b8e24 for type 'const __u64' [ 1228.450310] which requires 8 byte alignment [ 1228.465461] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1228.484785] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1228.513635] 00000000ffffffff 00000000b1a89c60 ffff88005c9df790 ffffffffb26ec5cc [ 1228.542296] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1228.569686] 0000000000000010 ffff88005c9df7b8 ffff88005c9df768 ffffffffb363c3e0 [ 1228.603820] Call Trace: [ 1228.615133] [] dump_stack+0xd7/0x132 [ 1228.632766] [] ? arch_local_irq_restore+0x1b/0x1b [ 1228.652663] [] ubsan_epilogue+0x12/0x53 [ 1228.670882] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1228.696865] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1228.722475] [] sha512_transform+0x1085/0x16c0 [ 1228.743842] [] ? save_stack_trace+0x31/0xf1 [ 1228.761620] [] ? key_create_or_update+0x342/0x86d [ 1228.784274] [] ? do_one_initcall+0x16d/0x258 [ 1228.804825] [] ? sha512_base_init+0x219/0x219 [ 1228.825951] [] ? x509_get_sig_params+0x467/0x5d8 [ 1228.849403] [] ? ___slab_alloc+0xb72/0xbd2 [ 1228.868444] [] ? ___slab_alloc+0xb72/0xbd2 [ 1228.886510] [] ? x509_get_sig_params+0x467/0x5d8 [ 1228.907718] [] ? kasan_kmalloc+0x94/0xa3 [ 1228.926582] [] ? kasan_poison_shadow+0x2f/0x31 [ 1228.946840] [] sha512_generic_block_fn+0x57/0x6c [ 1228.965515] [] sha512_base_do_update.constprop.1+0x196/0x1f4 [ 1228.992193] [] ? kasan_kmalloc+0x94/0xa3 [ 1229.010858] [] crypto_sha512_finup+0x31/0x43 [ 1229.030193] [] crypto_shash_finup+0x110/0x127 [ 1229.049171] [] x509_get_sig_params+0x594/0x5d8 [ 1229.068572] [] x509_cert_parse+0x419/0x59a [ 1229.087515] [] x509_key_preparse+0x5e/0x6d7 [ 1229.105366] [] ? strcmp+0x55/0x7d [ 1229.124692] [] asymmetric_key_preparse+0xbb/0x188 [ 1229.146176] [] ? asymmetric_key_free_preparse+0x13d/0x13d [ 1229.168008] [] key_create_or_update+0x342/0x86d [ 1229.188448] [] ? key_type_lookup+0xd2/0xd2 [ 1229.208881] [] ? printk+0xc2/0xe9 [ 1229.224479] [] ? assoc_array_gc+0x12e7/0x12e7 [ 1229.244603] [] ? strcmp+0x55/0x7d [ 1229.259753] [] load_system_certificate_list+0x15f/0x24a [ 1229.281444] [] ? system_trusted_keyring_init+0x1d4/0x1d4 [ 1229.305242] [] do_one_initcall+0x16d/0x258 [ 1229.326145] [] ? initcall_blacklisted+0x198/0x198 [ 1229.347348] [] ? up_write+0x8c/0xd9 [ 1229.363851] [] ? down_write_trylock+0x100/0x100 [ 1229.384808] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1229.405313] [] kernel_init_freeable+0x457/0x518 [ 1229.427547] [] kernel_init+0x16/0x181 [ 1229.446246] [] ret_from_fork+0x1f/0x40 [ 1229.463166] [] ? rest_init+0x8f/0x8f [ 1229.481617] ================================================================================ [ 1229.513477] ================================================================================ [ 1229.545787] UBSAN: Undefined behaviour in kernel/exit.c:698:2 [ 1229.564631] member access within misaligned address ffff8800a0757960 for type 'struct task_struct' [ 1229.595933] which requires 64 byte alignment [ 1229.607429] CPU: 3 PID: 138 Comm: kworker/u10:1 Not tainted 4.8.11 #1 [ 1229.630278] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1229.664012] 00000000ffffffff 00000000171132a3 ffff8800a0757c80 ffffffffb26ec5cc [ 1229.694093] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1229.720710] 0000000000000010 ffff8800a0757ca8 ffff8800a0757c58 ffffffffb363c3e0 [ 1229.748562] Call Trace: [ 1229.754942] [] dump_stack+0xd7/0x132 [ 1229.778811] [] ? arch_local_irq_restore+0x1b/0x1b [ 1229.800818] [] ubsan_epilogue+0x12/0x53 [ 1229.816086] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1229.843830] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1229.865989] [] do_exit+0x1bfe/0x20bc [ 1229.884827] [] ? mm_update_next_owner+0x58c/0x58c [ 1229.911350] [] ? do_execveat_common.isra.23+0x1468/0x1582 [ 1229.936098] [] ? kmem_cache_alloc+0x20f/0x33f [ 1229.955610] [] ? getname_kernel+0x41/0x1e3 [ 1229.974961] [] call_usermodehelper_exec_async+0x2e6/0x2f4 [ 1230.004687] [] ret_from_fork+0x1f/0x40 [ 1230.026682] [] ? usermodehelper_read_trylock+0x20d/0x20d [ 1230.049414] ================================================================================ [ 1230.095476] Loaded X.509 cert 'Build time autogenerated kernel key: 8fdf827c933b1adf5da0df937d83b58e444906d5' [ 1230.133424] zswap: loaded using pool lzo/zbud [ 1230.193640] Key type big_key registered [ 1230.227247] Key type trusted registered [ 1230.266565] Key type encrypted registered [ 1230.280428] AppArmor: AppArmor sha1 policy hashing enabled [ 1230.299885] ima: No TPM chip found, activating TPM-bypass! [ 1230.318710] evm: HMAC attrs: 0x1 [ 1230.349924] ================================================================================ [ 1230.415374] UBSAN: Undefined behaviour in kernel/workqueue.c:2594:15 [ 1230.453440] member access within misaligned address ffff88005afc3c38 for type 'struct workqueue_struct' [ 1230.523774] which requires 64 byte alignment [ 1230.553084] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1230.598389] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1230.657017] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbb8 ffffffffb26ec5cc [ 1230.711550] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1230.763709] ffff880000000010 ffff88005c9dfbe0 ffff88005c9dfb90 ffffffffb363c3e0 [ 1230.814732] Call Trace: [ 1230.830525] [] dump_stack+0xd7/0x132 [ 1230.870114] [] ? arch_local_irq_restore+0x1b/0x1b [ 1230.906210] [] ubsan_epilogue+0x12/0x53 [ 1230.947605] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1230.987631] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1231.038735] [] ? wq_nice_show+0xab/0xab [ 1231.071408] [] flush_workqueue+0x130/0xfbe [ 1231.114965] [] ? __queue_work+0x9c3/0xba0 [ 1231.147874] [] ? flush_workqueue_prep_pwqs+0x4c7/0x4c7 [ 1231.192184] [] ? driver_deferred_probe_trigger+0x197/0x1ca [ 1231.234826] [] ? wait_for_device_probe+0x194/0x194 [ 1231.287818] [] ? setup_bert_disable+0x17/0x17 [ 1231.333937] [] deferred_probe_initcall+0x79/0x83 [ 1231.382762] [] ? deferred_probe_initcall+0x79/0x83 [ 1231.422460] [] ? driver_deferred_probe_trigger+0x1ca/0x1ca [ 1231.468207] [] do_one_initcall+0x16d/0x258 [ 1231.509458] [] ? initcall_blacklisted+0x198/0x198 [ 1231.551793] [] ? up_write+0x8c/0xd9 [ 1231.583132] [] ? down_write_trylock+0x100/0x100 [ 1231.628094] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1231.705268] [] kernel_init_freeable+0x457/0x518 [ 1231.754139] [] kernel_init+0x16/0x181 [ 1231.786145] [] ret_from_fork+0x1f/0x40 [ 1231.820858] [] ? rest_init+0x8f/0x8f [ 1231.855445] ================================================================================ [ 1231.914458] ================================================================================ [ 1231.976003] UBSAN: Undefined behaviour in kernel/workqueue.c:2596:22 [ 1232.022477] member access within misaligned address ffff88005afc3c38 for type 'struct workqueue_struct' [ 1232.088392] which requires 64 byte alignment [ 1232.119190] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1232.153924] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1232.231951] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbb8 ffffffffb26ec5cc [ 1232.286792] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1232.339489] ffffffff00000010 ffff88005c9dfbe0 ffff88005c9dfb90 ffffffffb363c3e0 [ 1232.387692] Call Trace: [ 1232.404136] [] dump_stack+0xd7/0x132 [ 1232.435772] [] ? arch_local_irq_restore+0x1b/0x1b [ 1232.486006] [] ubsan_epilogue+0x12/0x53 [ 1232.522384] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1232.571239] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1232.626633] [] ? wq_nice_show+0xab/0xab [ 1232.664273] [] flush_workqueue+0x188/0xfbe [ 1232.702468] [] ? __queue_work+0x9c3/0xba0 [ 1232.743040] [] ? flush_workqueue_prep_pwqs+0x4c7/0x4c7 [ 1232.788031] [] ? driver_deferred_probe_trigger+0x197/0x1ca [ 1232.841186] [] ? wait_for_device_probe+0x194/0x194 [ 1232.892099] [] ? setup_bert_disable+0x17/0x17 [ 1232.934303] [] deferred_probe_initcall+0x79/0x83 [ 1232.972021] [] ? deferred_probe_initcall+0x79/0x83 [ 1233.016460] [] ? driver_deferred_probe_trigger+0x1ca/0x1ca [ 1233.063865] [] do_one_initcall+0x16d/0x258 [ 1233.103686] [] ? initcall_blacklisted+0x198/0x198 [ 1233.147190] [] ? up_write+0x8c/0xd9 [ 1233.182234] [] ? down_write_trylock+0x100/0x100 [ 1233.223513] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1233.270711] [] kernel_init_freeable+0x457/0x518 [ 1233.304892] [] kernel_init+0x16/0x181 [ 1233.346275] [] ret_from_fork+0x1f/0x40 [ 1233.386953] [] ? rest_init+0x8f/0x8f [ 1233.418667] ================================================================================ [ 1233.470255] ================================================================================ [ 1233.527359] UBSAN: Undefined behaviour in kernel/workqueue.c:2603:32 [ 1233.570229] member access within misaligned address ffff88005afc3c38 for type 'struct workqueue_struct' [ 1233.631463] which requires 64 byte alignment [ 1233.663927] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1233.703296] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1233.776676] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbb8 ffffffffb26ec5cc [ 1233.829345] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1233.880052] ffffffff00000010 ffff88005c9dfbe0 ffff88005c9dfb90 ffffffffb363c3e0 [ 1233.931611] Call Trace: [ 1233.948694] [] dump_stack+0xd7/0x132 [ 1234.002288] [] ? arch_local_irq_restore+0x1b/0x1b [ 1234.046344] [] ubsan_epilogue+0x12/0x53 [ 1234.080693] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1234.129416] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1234.174270] [] ? wq_nice_show+0xab/0xab [ 1234.215760] [] flush_workqueue+0x258/0xfbe [ 1234.253046] [] ? __queue_work+0x9c3/0xba0 [ 1234.294172] [] ? flush_workqueue_prep_pwqs+0x4c7/0x4c7 [ 1234.346368] [] ? driver_deferred_probe_trigger+0x197/0x1ca [ 1234.391588] [] ? wait_for_device_probe+0x194/0x194 [ 1234.437697] [] ? setup_bert_disable+0x17/0x17 [ 1234.483319] [] deferred_probe_initcall+0x79/0x83 [ 1234.524510] [] ? deferred_probe_initcall+0x79/0x83 [ 1234.568027] [] ? driver_deferred_probe_trigger+0x1ca/0x1ca [ 1234.622128] [] do_one_initcall+0x16d/0x258 [ 1234.665651] [] ? initcall_blacklisted+0x198/0x198 [ 1234.706725] [] ? up_write+0x8c/0xd9 [ 1234.744683] [] ? down_write_trylock+0x100/0x100 [ 1234.785506] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1234.832690] [] kernel_init_freeable+0x457/0x518 [ 1234.872502] [] kernel_init+0x16/0x181 [ 1234.912724] [] ret_from_fork+0x1f/0x40 [ 1234.958071] [] ? rest_init+0x8f/0x8f [ 1235.002444] ================================================================================ [ 1235.052979] ================================================================================ [ 1235.118858] UBSAN: Undefined behaviour in kernel/workqueue.c:1866:9 [ 1235.157237] member access within misaligned address ffff88005afc3c38 for type 'struct workqueue_struct' [ 1235.222279] which requires 64 byte alignment [ 1235.252942] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.8.11 #1 [ 1235.293540] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1235.355534] 00000000ffffffff e5344f8b99d4199e ffff88005d507c68 ffffffffb26ec5cc [ 1235.410242] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1235.463001] ffff880000000010 ffff88005d507c90 ffff88005d507c40 ffffffffb363c3e0 [ 1235.512345] Call Trace: [ 1235.524734] [] dump_stack+0xd7/0x132 [ 1235.564175] [] ? arch_local_irq_restore+0x1b/0x1b [ 1235.606319] [] ubsan_epilogue+0x12/0x53 [ 1235.646943] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1235.698536] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1235.743128] [] pool_mayday_timeout+0x126/0x229 [ 1235.781055] [] ? __hlist_del+0x103/0x135 [ 1235.820239] [] ? need_to_create_worker+0xbf/0xbf [ 1235.866516] [] call_timer_fn+0x7b/0x254 [ 1235.902974] [] ? need_to_create_worker+0xbf/0xbf [ 1235.946282] [] __run_timers+0x6d2/0x76b [ 1235.986534] [] ? internal_add_timer+0x8f/0x8f [ 1236.027462] [] ? timekeeping_delta_to_ns+0x97/0xa6 [ 1236.074496] [] ? paravirt_write_msr+0xf/0x13 [ 1236.115680] [] ? native_apic_msr_write+0x29/0x2b [ 1236.154741] [] ? apic_write+0x53/0x5a [ 1236.188864] [] run_timer_softirq+0x26/0x8f [ 1236.234885] [] __do_softirq+0x211/0x59e [ 1236.272029] [] irq_exit+0x65/0xd6 [ 1236.307837] [] smp_apic_timer_interrupt+0x33/0x3e [ 1236.352197] [] apic_timer_interrupt+0x82/0x90 [ 1236.395012] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 1236.450794] [] ? native_safe_halt+0x6/0x8 [ 1236.483909] [] default_idle+0x1f/0x32 [ 1236.527124] [] arch_cpu_idle+0xf/0x11 [ 1236.556499] [] default_idle_call+0x1e/0x20 [ 1236.592981] [] cpu_startup_entry+0x20f/0x384 [ 1236.630770] [] ? default_idle_call+0x20/0x20 [ 1236.674523] [] ? clockevents_register_device+0x1af/0x1b8 [ 1236.723936] [] start_secondary+0x27d/0x2d7 [ 1236.764641] [] ? set_cpu_sibling_map+0x114f/0x114f [ 1236.804659] ================================================================================ [ 1236.856039] ================================================================================ [ 1236.909553] UBSAN: Undefined behaviour in kernel/workqueue.c:1878:21 [ 1236.951898] member access within misaligned address ffff88005afc3c38 for type 'struct workqueue_struct' [ 1237.018780] which requires 64 byte alignment [ 1237.050909] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.8.11 #1 [ 1237.087902] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1237.159458] 00000000ffffffff e5344f8b99d4199e ffff88005d507c68 ffffffffb26ec5cc [ 1237.209312] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1237.263465] ffff880000000010 ffff88005d507c90 ffff88005d507c40 ffffffffb363c3e0 [ 1237.314807] Call Trace: [ 1237.330849] [] dump_stack+0xd7/0x132 [ 1237.370797] [] ? arch_local_irq_restore+0x1b/0x1b [ 1237.425461] [] ubsan_epilogue+0x12/0x53 [ 1237.466696] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1237.511894] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1237.561297] [] pool_mayday_timeout+0x1b4/0x229 [ 1237.602649] [] ? need_to_create_worker+0xbf/0xbf [ 1237.647251] [] call_timer_fn+0x7b/0x254 [ 1237.685706] [] ? need_to_create_worker+0xbf/0xbf [ 1237.728533] [] __run_timers+0x6d2/0x76b [ 1237.771304] [] ? internal_add_timer+0x8f/0x8f [ 1237.814865] [] ? timekeeping_delta_to_ns+0x97/0xa6 [ 1237.870250] [] ? paravirt_write_msr+0xf/0x13 [ 1237.910227] [] ? native_apic_msr_write+0x29/0x2b [ 1237.954693] [] ? apic_write+0x53/0x5a [ 1237.987539] [] run_timer_softirq+0x26/0x8f [ 1238.025779] [] __do_softirq+0x211/0x59e [ 1238.058873] [] irq_exit+0x65/0xd6 [ 1238.098510] [] smp_apic_timer_interrupt+0x33/0x3e [ 1238.138654] [] apic_timer_interrupt+0x82/0x90 [ 1238.172448] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 1238.224751] [] ? native_safe_halt+0x6/0x8 [ 1238.266324] [] default_idle+0x1f/0x32 [ 1238.297037] [] arch_cpu_idle+0xf/0x11 [ 1238.332401] [] default_idle_call+0x1e/0x20 [ 1238.370540] [] cpu_startup_entry+0x20f/0x384 [ 1238.415006] [] ? default_idle_call+0x20/0x20 [ 1238.452279] [] ? clockevents_register_device+0x1af/0x1b8 [ 1238.504122] [] start_secondary+0x27d/0x2d7 [ 1238.542323] [] ? set_cpu_sibling_map+0x114f/0x114f [ 1238.587433] ================================================================================ [ 1238.649533] ================================================================================ [ 1238.722494] UBSAN: Undefined behaviour in kernel/workqueue.c:2604:18 [ 1238.760456] member access within misaligned address ffff88005afc3c38 for type 'struct workqueue_struct' [ 1238.822515] which requires 64 byte alignment [ 1238.845629] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1238.887157] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1238.952365] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbb8 ffffffffb26ec5cc [ 1239.012043] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1239.065492] ffff880000000010 ffff88005c9dfbe0 ffff88005c9dfb90 ffffffffb363c3e0 [ 1239.110299] Call Trace: [ 1239.126350] [] dump_stack+0xd7/0x132 [ 1239.159054] [] ? arch_local_irq_restore+0x1b/0x1b [ 1239.207897] [] ubsan_epilogue+0x12/0x53 [ 1239.243173] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1239.289248] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1239.337787] [] ? wq_nice_show+0xab/0xab [ 1239.372352] [] flush_workqueue+0x285/0xfbe [ 1239.410248] [] ? __queue_work+0x9c3/0xba0 [ 1239.447038] [] ? flush_workqueue_prep_pwqs+0x4c7/0x4c7 [ 1239.497288] [] ? driver_deferred_probe_trigger+0x197/0x1ca [ 1239.542374] [] ? wait_for_device_probe+0x194/0x194 [ 1239.583580] [] ? setup_bert_disable+0x17/0x17 [ 1239.623756] [] deferred_probe_initcall+0x79/0x83 [ 1239.670718] [] ? deferred_probe_initcall+0x79/0x83 [ 1239.710781] [] ? driver_deferred_probe_trigger+0x1ca/0x1ca [ 1239.758182] [] do_one_initcall+0x16d/0x258 [ 1239.796807] [] ? initcall_blacklisted+0x198/0x198 [ 1239.838359] [] ? up_write+0x8c/0xd9 [ 1239.870811] [] ? down_write_trylock+0x100/0x100 [ 1239.916437] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1239.964794] [] kernel_init_freeable+0x457/0x518 [ 1240.001142] [] kernel_init+0x16/0x181 [ 1240.035975] [] ret_from_fork+0x1f/0x40 [ 1240.070245] [] ? rest_init+0x8f/0x8f [ 1240.110646] ================================================================================ [ 1240.164567] ================================================================================ [ 1240.218345] UBSAN: Undefined behaviour in kernel/workqueue.c:2606:10 [ 1240.257293] member access within misaligned address ffff88005afc3c38 for type 'struct workqueue_struct' [ 1240.320136] which requires 64 byte alignment [ 1240.348939] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1240.389132] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1240.451490] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbb8 ffffffffb26ec5cc [ 1240.500781] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1240.555075] ffffffff00000010 ffff88005c9dfbe0 ffff88005c9dfb90 ffffffffb363c3e0 [ 1240.603663] Call Trace: [ 1240.621018] [] dump_stack+0xd7/0x132 [ 1240.651476] [] ? arch_local_irq_restore+0x1b/0x1b [ 1240.703079] [] ubsan_epilogue+0x12/0x53 [ 1240.738262] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1240.783010] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1240.840496] [] ? wq_nice_show+0xab/0xab [ 1240.872597] [] flush_workqueue+0x2a2/0xfbe [ 1240.909329] [] ? __queue_work+0x9c3/0xba0 [ 1240.950543] [] ? flush_workqueue_prep_pwqs+0x4c7/0x4c7 [ 1240.988796] [] ? driver_deferred_probe_trigger+0x197/0x1ca [ 1241.042540] [] ? wait_for_device_probe+0x194/0x194 [ 1241.084945] [] ? setup_bert_disable+0x17/0x17 [ 1241.124075] [] deferred_probe_initcall+0x79/0x83 [ 1241.167279] [] ? deferred_probe_initcall+0x79/0x83 [ 1241.209204] [] ? driver_deferred_probe_trigger+0x1ca/0x1ca [ 1241.255529] [] do_one_initcall+0x16d/0x258 [ 1241.287287] [] ? initcall_blacklisted+0x198/0x198 [ 1241.327676] [] ? up_write+0x8c/0xd9 [ 1241.365737] [] ? down_write_trylock+0x100/0x100 [ 1241.407330] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1241.460110] [] kernel_init_freeable+0x457/0x518 [ 1241.495052] [] kernel_init+0x16/0x181 [ 1241.534681] [] ret_from_fork+0x1f/0x40 [ 1241.572758] [] ? rest_init+0x8f/0x8f [ 1241.605206] ================================================================================ [ 1241.667787] ================================================================================ [ 1241.726366] UBSAN: Undefined behaviour in kernel/workqueue.c:2608:4 [ 1241.770845] member access within misaligned address ffff88005afc3c38 for type 'struct workqueue_struct' [ 1241.840096] which requires 64 byte alignment [ 1241.866843] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1241.904092] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1241.971353] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbb8 ffffffffb26ec5cc [ 1242.022796] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1242.067793] ffffffff00000010 ffff88005c9dfbe0 ffff88005c9dfb90 ffffffffb363c3e0 [ 1242.123923] Call Trace: [ 1242.138814] [] dump_stack+0xd7/0x132 [ 1242.177788] [] ? arch_local_irq_restore+0x1b/0x1b [ 1242.218697] [] ubsan_epilogue+0x12/0x53 [ 1242.254675] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1242.303450] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1242.348575] [] ? wq_nice_show+0xab/0xab [ 1242.386322] [] flush_workqueue+0x2d4/0xfbe [ 1242.430815] [] ? __queue_work+0x9c3/0xba0 [ 1242.469309] [] ? flush_workqueue_prep_pwqs+0x4c7/0x4c7 [ 1242.514350] [] ? driver_deferred_probe_trigger+0x197/0x1ca [ 1242.571587] [] ? wait_for_device_probe+0x194/0x194 [ 1242.611058] [] ? setup_bert_disable+0x17/0x17 [ 1242.652652] [] deferred_probe_initcall+0x79/0x83 [ 1242.695343] [] ? deferred_probe_initcall+0x79/0x83 [ 1242.743421] [] ? driver_deferred_probe_trigger+0x1ca/0x1ca [ 1242.794361] [] do_one_initcall+0x16d/0x258 [ 1242.828164] [] ? initcall_blacklisted+0x198/0x198 [ 1242.874061] [] ? up_write+0x8c/0xd9 [ 1242.910385] [] ? down_write_trylock+0x100/0x100 [ 1242.952789] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1243.006124] [] kernel_init_freeable+0x457/0x518 [ 1243.047182] [] kernel_init+0x16/0x181 [ 1243.087892] [] ret_from_fork+0x1f/0x40 [ 1243.126440] [] ? rest_init+0x8f/0x8f [ 1243.161396] ================================================================================ [ 1243.220151] ================================================================================ [ 1243.278497] UBSAN: Undefined behaviour in kernel/workqueue.c:2610:22 [ 1243.321332] member access within misaligned address ffff88005afc3c38 for type 'struct workqueue_struct' [ 1243.390381] which requires 64 byte alignment [ 1243.411696] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1243.447925] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1243.518035] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbb8 ffffffffb26ec5cc [ 1243.562486] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1243.617029] ffffffff00000010 ffff88005c9dfbe0 ffff88005c9dfb90 ffffffffb363c3e0 [ 1243.670943] Call Trace: [ 1243.684646] [] dump_stack+0xd7/0x132 [ 1243.726029] [] ? arch_local_irq_restore+0x1b/0x1b [ 1243.767046] [] ubsan_epilogue+0x12/0x53 [ 1243.807492] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1243.853483] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1243.907026] [] ? wq_nice_show+0xab/0xab [ 1243.939859] [] flush_workqueue+0x350/0xfbe [ 1243.975458] [] ? __queue_work+0x9c3/0xba0 [ 1244.020999] [] ? flush_workqueue_prep_pwqs+0x4c7/0x4c7 [ 1244.061315] [] ? driver_deferred_probe_trigger+0x197/0x1ca [ 1244.113241] [] ? wait_for_device_probe+0x194/0x194 [ 1244.157341] [] ? setup_bert_disable+0x17/0x17 [ 1244.201961] [] deferred_probe_initcall+0x79/0x83 [ 1244.243354] [] ? deferred_probe_initcall+0x79/0x83 [ 1244.290423] [] ? driver_deferred_probe_trigger+0x1ca/0x1ca [ 1244.335249] [] do_one_initcall+0x16d/0x258 [ 1244.368796] [] ? initcall_blacklisted+0x198/0x198 [ 1244.411755] [] ? up_write+0x8c/0xd9 [ 1244.444461] [] ? down_write_trylock+0x100/0x100 [ 1244.485944] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1244.530368] [] kernel_init_freeable+0x457/0x518 [ 1244.575619] [] kernel_init+0x16/0x181 [ 1244.610324] [] ret_from_fork+0x1f/0x40 [ 1244.651388] [] ? rest_init+0x8f/0x8f [ 1244.688367] ================================================================================ [ 1244.746509] ================================================================================ [ 1244.806873] UBSAN: Undefined behaviour in kernel/workqueue.c:2612:9 [ 1244.846507] member access within misaligned address ffff88005afc3c38 for type 'struct workqueue_struct' [ 1244.911047] which requires 64 byte alignment [ 1244.936990] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1244.974811] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1245.038508] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbb8 ffffffffb26ec5cc [ 1245.086936] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1245.138286] ffffffff00000010 ffff88005c9dfbe0 ffff88005c9dfb90 ffffffffb363c3e0 [ 1245.183750] Call Trace: [ 1245.196332] [] dump_stack+0xd7/0x132 [ 1245.227232] [] ? arch_local_irq_restore+0x1b/0x1b [ 1245.270688] [] ubsan_epilogue+0x12/0x53 [ 1245.306852] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1245.352138] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1245.406379] [] ? wq_nice_show+0xab/0xab [ 1245.435924] [] flush_workqueue+0x376/0xfbe [ 1245.470468] [] ? __queue_work+0x9c3/0xba0 [ 1245.508995] [] ? flush_workqueue_prep_pwqs+0x4c7/0x4c7 [ 1245.551911] [] ? driver_deferred_probe_trigger+0x197/0x1ca [ 1245.602683] [] ? wait_for_device_probe+0x194/0x194 [ 1245.644423] [] ? setup_bert_disable+0x17/0x17 [ 1245.686989] [] deferred_probe_initcall+0x79/0x83 [ 1245.725580] [] ? deferred_probe_initcall+0x79/0x83 [ 1245.770237] [] ? driver_deferred_probe_trigger+0x1ca/0x1ca [ 1245.820021] [] do_one_initcall+0x16d/0x258 [ 1245.854041] [] ? initcall_blacklisted+0x198/0x198 [ 1245.898168] [] ? up_write+0x8c/0xd9 [ 1245.931548] [] ? down_write_trylock+0x100/0x100 [ 1245.967546] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1246.022516] [] kernel_init_freeable+0x457/0x518 [ 1246.058453] [] kernel_init+0x16/0x181 [ 1246.100797] [] ret_from_fork+0x1f/0x40 [ 1246.139710] [] ? rest_init+0x8f/0x8f [ 1246.173937] ================================================================================ [ 1246.231999] ================================================================================ [ 1246.289134] UBSAN: Undefined behaviour in kernel/workqueue.c:2565:15 [ 1246.331645] member access within misaligned address ffff88005afc3c38 for type 'struct workqueue_struct' [ 1246.389509] which requires 64 byte alignment [ 1246.418659] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1246.455515] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1246.515408] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfaf0 ffffffffb26ec5cc [ 1246.570256] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1246.627393] 0000000000000010 ffff88005c9dfb18 ffff88005c9dfac8 ffffffffb363c3e0 [ 1246.678735] Call Trace: [ 1246.696814] [] dump_stack+0xd7/0x132 [ 1246.730903] [] ? arch_local_irq_restore+0x1b/0x1b [ 1246.773116] [] ubsan_epilogue+0x12/0x53 [ 1246.814052] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1246.858725] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1246.910557] [] flush_workqueue_prep_pwqs+0x465/0x4c7 [ 1246.954555] [] ? check_flush_dependency+0x301/0x301 [ 1246.995422] [] ? wq_nice_show+0xab/0xab [ 1247.031827] [] flush_workqueue+0x39a/0xfbe [ 1247.072340] [] ? __queue_work+0x9c3/0xba0 [ 1247.110220] [] ? flush_workqueue_prep_pwqs+0x4c7/0x4c7 [ 1247.151807] [] ? driver_deferred_probe_trigger+0x197/0x1ca [ 1247.204975] [] ? wait_for_device_probe+0x194/0x194 [ 1247.243591] [] ? setup_bert_disable+0x17/0x17 [ 1247.285033] [] deferred_probe_initcall+0x79/0x83 [ 1247.329765] [] ? deferred_probe_initcall+0x79/0x83 [ 1247.374368] [] ? driver_deferred_probe_trigger+0x1ca/0x1ca [ 1247.418929] [] do_one_initcall+0x16d/0x258 [ 1247.474449] [] ? initcall_blacklisted+0x198/0x198 [ 1247.522588] [] ? up_write+0x8c/0xd9 [ 1247.562215] [] ? down_write_trylock+0x100/0x100 [ 1247.602948] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1247.648008] [] kernel_init_freeable+0x457/0x518 [ 1247.694587] [] kernel_init+0x16/0x181 [ 1247.726682] [] ret_from_fork+0x1f/0x40 [ 1247.760703] [] ? rest_init+0x8f/0x8f [ 1247.793762] ================================================================================ [ 1247.854148] ================================================================================ [ 1247.915963] UBSAN: Undefined behaviour in kernel/workqueue.c:2615:21 [ 1247.957239] member access within misaligned address ffff88005afc3c38 for type 'struct workqueue_struct' [ 1248.020729] which requires 64 byte alignment [ 1248.046859] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1248.087645] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1248.146838] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbb8 ffffffffb26ec5cc [ 1248.202904] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1248.253958] 0000000000000010 ffff88005c9dfbe0 ffff88005c9dfb90 ffffffffb363c3e0 [ 1248.302891] Call Trace: [ 1248.320145] [] dump_stack+0xd7/0x132 [ 1248.350998] [] ? arch_local_irq_restore+0x1b/0x1b [ 1248.392436] [] ubsan_epilogue+0x12/0x53 [ 1248.430253] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1248.474295] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1248.522538] [] ? wq_nice_show+0xab/0xab [ 1248.562467] [] flush_workqueue+0x3c0/0xfbe [ 1248.592285] [] ? __queue_work+0x9c3/0xba0 [ 1248.639809] [] ? flush_workqueue_prep_pwqs+0x4c7/0x4c7 [ 1248.687381] [] ? driver_deferred_probe_trigger+0x197/0x1ca [ 1248.731795] [] ? wait_for_device_probe+0x194/0x194 [ 1248.778436] [] ? setup_bert_disable+0x17/0x17 [ 1248.831402] [] deferred_probe_initcall+0x79/0x83 [ 1248.872011] [] ? deferred_probe_initcall+0x79/0x83 [ 1248.918590] [] ? driver_deferred_probe_trigger+0x1ca/0x1ca [ 1248.962899] [] do_one_initcall+0x16d/0x258 [ 1249.004138] [] ? initcall_blacklisted+0x198/0x198 [ 1249.048670] [] ? up_write+0x8c/0xd9 [ 1249.087860] [] ? down_write_trylock+0x100/0x100 [ 1249.126844] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1249.174279] [] kernel_init_freeable+0x457/0x518 [ 1249.211635] [] kernel_init+0x16/0x181 [ 1249.254426] [] ret_from_fork+0x1f/0x40 [ 1249.294308] [] ? rest_init+0x8f/0x8f [ 1249.330751] ================================================================================ [ 1249.387411] ================================================================================ [ 1249.443620] UBSAN: Undefined behaviour in kernel/workqueue.c:2616:23 [ 1249.486836] member access within misaligned address ffff88005afc3c38 for type 'struct workqueue_struct' [ 1249.551602] which requires 64 byte alignment [ 1249.586184] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1249.627502] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1249.692342] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbb8 ffffffffb26ec5cc [ 1249.746098] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1249.800203] ffffffff00000010 ffff88005c9dfbe0 ffff88005c9dfb90 ffffffffb363c3e0 [ 1249.853207] Call Trace: [ 1249.870959] [] dump_stack+0xd7/0x132 [ 1249.906825] [] ? arch_local_irq_restore+0x1b/0x1b [ 1249.952859] [] ubsan_epilogue+0x12/0x53 [ 1249.988955] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1250.036597] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1250.091819] [] ? wq_nice_show+0xab/0xab [ 1250.131210] [] flush_workqueue+0x3e6/0xfbe [ 1250.180865] [] ? __queue_work+0x9c3/0xba0 [ 1250.220089] [] ? flush_workqueue_prep_pwqs+0x4c7/0x4c7 [ 1250.263919] [] ? driver_deferred_probe_trigger+0x197/0x1ca [ 1250.308989] [] ? wait_for_device_probe+0x194/0x194 [ 1250.352764] [] ? setup_bert_disable+0x17/0x17 [ 1250.391149] [] deferred_probe_initcall+0x79/0x83 [ 1250.436590] [] ? deferred_probe_initcall+0x79/0x83 [ 1250.482002] [] ? driver_deferred_probe_trigger+0x1ca/0x1ca [ 1250.531847] [] do_one_initcall+0x16d/0x258 [ 1250.570123] [] ? initcall_blacklisted+0x198/0x198 [ 1250.614057] [] ? up_write+0x8c/0xd9 [ 1250.644723] [] ? down_write_trylock+0x100/0x100 [ 1250.690985] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1250.738371] [] kernel_init_freeable+0x457/0x518 [ 1250.774894] [] kernel_init+0x16/0x181 [ 1250.812989] [] ret_from_fork+0x1f/0x40 [ 1250.852625] [] ? rest_init+0x8f/0x8f [ 1250.894463] ================================================================================ [ 1250.948861] ================================================================================ [ 1250.951094] Magic number: 1:298:249 [ 1251.028260] UBSAN: Undefined behaviour in kernel/workqueue.c:2307:32 [ 1251.071022] member access within misaligned address ffff88005afc3c38 for type 'struct workqueue_struct' [ 1251.138767] which requires 64 byte alignment [ 1251.167022] CPU: 2 PID: 158 Comm: deferwq Not tainted 4.8.11 #1 [ 1251.210330] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1251.270328] 00000000ffffffff 00000000f75b3b1f ffff88005b5afc58 ffffffffb26ec5cc [ 1251.314902] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1251.366992] ffff880000000010 ffff88005b5afc80 ffff88005b5afc30 ffffffffb363c3e0 [ 1251.415954] Call Trace: [ 1251.439109] [] dump_stack+0xd7/0x132 [ 1251.471175] [] ? arch_local_irq_restore+0x1b/0x1b [ 1251.512719] [] ubsan_epilogue+0x12/0x53 [ 1251.554866] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1251.602700] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1251.654476] [] rescuer_thread+0x266/0x91f [ 1251.690438] [] ? process_scheduled_works+0x85/0x85 [ 1251.734951] [] ? __wake_up_common+0xe0/0x14f [ 1251.774039] [] kthread+0x1f7/0x20b [ 1251.814426] [] ? process_scheduled_works+0x85/0x85 [ 1251.858237] [] ? init_completion+0x48/0x48 [ 1251.894126] [] ret_from_fork+0x1f/0x40 [ 1251.931141] [] ? init_completion+0x48/0x48 [ 1251.970893] ================================================================================ [ 1252.032107] ================================================================================ [ 1252.091816] UBSAN: Undefined behaviour in kernel/workqueue.c:2328:3 [ 1252.132584] member access within misaligned address ffff88005d272018 for type 'struct worker_pool' [ 1252.194296] which requires 64 byte alignment [ 1252.222163] CPU: 2 PID: 158 Comm: deferwq Not tainted 4.8.11 #1 [ 1252.260823] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1252.323578] 00000000ffffffff 00000000f75b3b1f ffff88005b5afc58 ffffffffb26ec5cc [ 1252.373132] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1252.427472] 0000000000000010 ffff88005b5afc80 ffff88005b5afc30 ffffffffb363c3e0 [ 1252.481064] Call Trace: [ 1252.498755] [] dump_stack+0xd7/0x132 [ 1252.531476] [] ? arch_local_irq_restore+0x1b/0x1b [ 1252.571583] [] ubsan_epilogue+0x12/0x53 [ 1252.611941] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1252.656983] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1252.706168] [] rescuer_thread+0x3fd/0x91f [ 1252.739079] [] ? process_scheduled_works+0x85/0x85 [ 1252.777674] [] ? __wake_up_common+0xe0/0x14f [ 1252.823188] [] kthread+0x1f7/0x20b [ 1252.855655] [] ? process_scheduled_works+0x85/0x85 [ 1252.897592] [] ? init_completion+0x48/0x48 [ 1252.936828] [] ret_from_fork+0x1f/0x40 [ 1252.972051] [] ? init_completion+0x48/0x48 [ 1253.011409] ================================================================================ [ 1253.071589] ================================================================================ [ 1253.104290] UBSAN: Undefined behaviour in drivers/base/power/trace.c:179:15 [ 1253.128891] load of misaligned address ffffffffb3aba96a for type 'const char *' [ 1253.156450] which requires 8 byte alignment [ 1253.169186] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1253.192294] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1253.227795] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd08 ffffffffb26ec5cc [ 1253.254975] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1253.279086] ffff880000000010 ffff88005c9dfd30 ffff88005c9dfce0 ffffffffb363c3e0 [ 1253.309222] Call Trace: [ 1253.315122] [] dump_stack+0xd7/0x132 [ 1253.335169] [] ? arch_local_irq_restore+0x1b/0x1b [ 1253.358238] [] ubsan_epilogue+0x12/0x53 [ 1253.374235] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1253.399655] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1253.425712] [] late_resume_init+0xb0/0x22e [ 1253.445388] [] ? generate_pm_trace+0x114/0x114 [ 1253.467928] [] do_one_initcall+0x16d/0x258 [ 1253.490604] [] ? initcall_blacklisted+0x198/0x198 [ 1253.513643] [] ? up_write+0x8c/0xd9 [ 1253.531847] [] ? down_write_trylock+0x100/0x100 [ 1253.556756] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1253.579915] [] kernel_init_freeable+0x457/0x518 [ 1253.602715] [] kernel_init+0x16/0x181 [ 1253.623467] [] ret_from_fork+0x1f/0x40 [ 1253.643093] [] ? rest_init+0x8f/0x8f [ 1253.662143] ================================================================================ [ 1253.702538] rtc_cmos 00:00: setting system clock to 2017-01-11 22:25:47 UTC (1484173547) [ 1253.741026] ================================================================================ [ 1253.765146] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 1253.791476] load of misaligned address ffff88005d4130cc for type 'volatile const long unsigned int' [ 1253.821531] which requires 8 byte alignment [ 1253.835449] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1253.855057] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1253.890232] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc40 ffffffffb26ec5cc [ 1253.913766] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1253.943378] 0000000000000010 ffff88005c9dfc68 ffff88005c9dfc18 ffffffffb363c3e0 [ 1253.967408] Call Trace: [ 1253.976973] [] dump_stack+0xd7/0x132 [ 1253.997070] [] ? arch_local_irq_restore+0x1b/0x1b [ 1254.015682] [] ubsan_epilogue+0x12/0x53 [ 1254.039404] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1254.061767] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1254.087997] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 1254.106724] [] check_amd_hwpstate_cpu+0x9b/0xb3 [ 1254.126791] [] acpi_cpufreq_init+0x2b7/0x5c7 [ 1254.146763] [] ? cpufreq_gov_dbs_init+0x17/0x17 [ 1254.166886] [] ? __platform_driver_register+0xee/0xf3 [ 1254.189567] [] ? charger_manager_init+0xee/0x110 [ 1254.209438] [] ? power_supply_class_init+0x7f/0x7f [ 1254.231980] [] ? cpufreq_gov_dbs_init+0x17/0x17 [ 1254.254567] [] do_one_initcall+0x16d/0x258 [ 1254.272248] [] ? initcall_blacklisted+0x198/0x198 [ 1254.292083] [] ? up_write+0x8c/0xd9 [ 1254.308169] [] ? down_write_trylock+0x100/0x100 [ 1254.329588] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1254.349912] [] kernel_init_freeable+0x457/0x518 [ 1254.372361] [] kernel_init+0x16/0x181 [ 1254.392061] [] ret_from_fork+0x1f/0x40 [ 1254.420087] [] ? rest_init+0x8f/0x8f [ 1254.448539] ================================================================================ [ 1254.486149] ================================================================================ [ 1254.525019] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 1254.551532] load of misaligned address ffffffffb77ce74c for type 'volatile const long unsigned int' [ 1254.589962] which requires 8 byte alignment [ 1254.603237] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1254.636222] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1254.686697] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc60 ffffffffb26ec5cc [ 1254.720067] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1254.765219] ffffffff00000010 ffff88005c9dfc88 ffff88005c9dfc38 ffffffffb363c3e0 [ 1254.798225] Call Trace: [ 1254.812062] [] dump_stack+0xd7/0x132 [ 1254.830936] [] ? arch_local_irq_restore+0x1b/0x1b [ 1254.862968] [] ubsan_epilogue+0x12/0x53 [ 1254.889162] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1254.931388] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1254.969047] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 1254.993368] [] acpi_cpufreq_init+0x368/0x5c7 [ 1255.012327] [] ? cpufreq_gov_dbs_init+0x17/0x17 [ 1255.031705] [] ? __platform_driver_register+0xee/0xf3 [ 1255.058871] [] ? charger_manager_init+0xee/0x110 [ 1255.080137] [] ? power_supply_class_init+0x7f/0x7f [ 1255.107071] [] ? cpufreq_gov_dbs_init+0x17/0x17 [ 1255.127495] [] do_one_initcall+0x16d/0x258 [ 1255.146953] [] ? initcall_blacklisted+0x198/0x198 [ 1255.171536] [] ? up_write+0x8c/0xd9 [ 1255.188551] [] ? down_write_trylock+0x100/0x100 [ 1255.208952] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1255.230799] [] kernel_init_freeable+0x457/0x518 [ 1255.249000] [] kernel_init+0x16/0x181 [ 1255.265491] [] ret_from_fork+0x1f/0x40 [ 1255.283768] [] ? rest_init+0x8f/0x8f [ 1255.299208] ================================================================================ [ 1255.332802] ================================================================================ [ 1255.360996] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 1255.388324] load of misaligned address ffffffffb77ce76c for type 'volatile const long unsigned int' [ 1255.418993] which requires 8 byte alignment [ 1255.432369] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1255.455072] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1255.487855] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc60 ffffffffb26ec5cc [ 1255.510925] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1255.534981] ffff880000000010 ffff88005c9dfc88 ffff88005c9dfc38 ffffffffb363c3e0 [ 1255.563525] Call Trace: [ 1255.571014] [] dump_stack+0xd7/0x132 [ 1255.591736] [] ? arch_local_irq_restore+0x1b/0x1b [ 1255.612988] [] ubsan_epilogue+0x12/0x53 [ 1255.631708] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1255.655568] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1255.679239] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 1255.697297] [] acpi_cpufreq_init+0x3ca/0x5c7 [ 1255.716779] [] ? cpufreq_gov_dbs_init+0x17/0x17 [ 1255.739363] [] ? __platform_driver_register+0xee/0xf3 [ 1255.759759] [] ? charger_manager_init+0xee/0x110 [ 1255.778110] [] ? power_supply_class_init+0x7f/0x7f [ 1255.803191] [] ? cpufreq_gov_dbs_init+0x17/0x17 [ 1255.824814] [] do_one_initcall+0x16d/0x258 [ 1255.845229] [] ? initcall_blacklisted+0x198/0x198 [ 1255.865074] [] ? up_write+0x8c/0xd9 [ 1255.881337] [] ? down_write_trylock+0x100/0x100 [ 1255.904918] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1255.927419] [] kernel_init_freeable+0x457/0x518 [ 1255.948191] [] kernel_init+0x16/0x181 [ 1255.964683] [] ret_from_fork+0x1f/0x40 [ 1255.983564] [] ? rest_init+0x8f/0x8f [ 1256.003126] ================================================================================ [ 1256.045243] ================================================================================ [ 1256.071768] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 1256.092236] load of misaligned address ffff88005d4130bc for type 'volatile const long unsigned int' [ 1256.123717] which requires 8 byte alignment [ 1256.135705] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1256.157030] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1256.186981] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9d0 ffffffffb26ec5cc [ 1256.210131] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1256.235082] 0000000000000010 ffff88005c9df9f8 ffff88005c9df9a8 ffffffffb363c3e0 [ 1256.258913] Call Trace: [ 1256.266161] [] dump_stack+0xd7/0x132 [ 1256.284103] [] ? arch_local_irq_restore+0x1b/0x1b [ 1256.307651] [] ubsan_epilogue+0x12/0x53 [ 1256.322803] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1256.341435] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1256.360902] [] acpi_cpufreq_cpu_init+0x2ea/0x158c [ 1256.377524] [] ? remove_wait_queue+0x37/0x37 [ 1256.396262] [] cpufreq_online+0x4ee/0xf51 [ 1256.413967] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 1256.432291] [] ? pick_next_task_rt+0x336/0x35d [ 1256.452407] [] ? cpufreq_init_policy+0x267/0x267 [ 1256.472294] [] ? klist_next+0x2b5/0x2c5 [ 1256.491062] [] cpufreq_add_dev+0x6c/0x168 [ 1256.508719] [] ? subsys_interface_register+0x278/0x315 [ 1256.529433] [] subsys_interface_register+0x281/0x315 [ 1256.548681] [] ? subsys_interface_unregister+0x313/0x313 [ 1256.570518] [] ? _raw_write_unlock_bh+0xbd/0xbd [ 1256.591903] [] cpufreq_register_driver+0x340/0x4a3 [ 1256.611806] [] ? cpufreq_register_driver+0x340/0x4a3 [ 1256.631887] [] acpi_cpufreq_init+0x4dd/0x5c7 [ 1256.648654] [] ? cpufreq_gov_dbs_init+0x17/0x17 [ 1256.667886] [] ? __platform_driver_register+0xee/0xf3 [ 1256.690427] [] ? charger_manager_init+0xee/0x110 [ 1256.709399] [] ? power_supply_class_init+0x7f/0x7f [ 1256.728496] [] ? cpufreq_gov_dbs_init+0x17/0x17 [ 1256.749626] [] do_one_initcall+0x16d/0x258 [ 1256.770094] [] ? initcall_blacklisted+0x198/0x198 [ 1256.791732] [] ? up_write+0x8c/0xd9 [ 1256.809103] [] ? down_write_trylock+0x100/0x100 [ 1256.831617] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1256.851005] [] kernel_init_freeable+0x457/0x518 [ 1256.871689] [] kernel_init+0x16/0x181 [ 1256.888296] [] ret_from_fork+0x1f/0x40 [ 1256.903356] [] ? rest_init+0x8f/0x8f [ 1256.923754] ================================================================================ [ 1256.954357] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found [ 1256.975980] EDD information not available. [ 1256.990504] ================================================================================ [ 1257.016944] UBSAN: Undefined behaviour in fs/namei.c:2895:22 [ 1257.035878] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 1257.066605] which requires 64 byte alignment [ 1257.080354] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1257.098202] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1257.126258] 00000000ffffffff 00000000b1a89c60 ffff88005c9df948 ffffffffb26ec5cc [ 1257.151280] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1257.175150] 0000000000000010 ffff88005c9df970 ffff88005c9df920 ffffffffb363c3e0 [ 1257.197007] Call Trace: [ 1257.207279] [] dump_stack+0xd7/0x132 [ 1257.223439] [] ? arch_local_irq_restore+0x1b/0x1b [ 1257.242249] [] ubsan_epilogue+0x12/0x53 [ 1257.258917] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1257.278257] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1257.300279] [] may_open_dev+0xcb/0xf4 [ 1257.317566] [] may_open+0xfd/0x1c0 [ 1257.333685] [] path_openat+0x1f1f/0x2525 [ 1257.351506] [] ? slab_post_alloc_hook+0x97/0xb7 [ 1257.369882] [] ? SyS_open+0x32/0x39 [ 1257.384455] [] ? kernel_init_freeable+0x48a/0x518 [ 1257.405488] [] ? may_open+0x1c0/0x1c0 [ 1257.420058] [] ? getname_flags+0x4f/0x2e0 [ 1257.438911] [] ? init_object+0x1d6/0x1e2 [ 1257.458555] [] ? expand_files+0x68a/0x6d7 [ 1257.482088] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1257.503558] [] do_filp_open+0xe2/0x18c [ 1257.517717] [] ? path_openat+0x2525/0x2525 [ 1257.539042] [] ? exit_files+0xaa/0xaa [ 1257.558037] [] do_sys_open+0xf5/0x342 [ 1257.574098] [] ? do_sys_open+0xf5/0x342 [ 1257.592073] [] ? filp_open+0x68/0x68 [ 1257.609252] [] SyS_open+0x32/0x39 [ 1257.623697] [] kernel_init_freeable+0x48a/0x518 [ 1257.641644] [] kernel_init+0x16/0x181 [ 1257.656293] [] ret_from_fork+0x1f/0x40 [ 1257.671627] [] ? rest_init+0x8f/0x8f [ 1257.689708] ================================================================================ [ 1257.714128] ================================================================================ [ 1257.739758] UBSAN: Undefined behaviour in security/apparmor/include/lib.h:115:23 [ 1257.761384] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 1257.791776] which requires 64 byte alignment [ 1257.804507] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1257.824178] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1257.850761] 00000000ffffffff 00000000b1a89c60 ffff88005c9df838 ffffffffb26ec5cc [ 1257.877809] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1257.900296] 0100000000000010 ffff88005c9df860 ffff88005c9df810 ffffffffb363c3e0 [ 1257.925986] Call Trace: [ 1257.932833] [] dump_stack+0xd7/0x132 [ 1257.950001] [] ? arch_local_irq_restore+0x1b/0x1b [ 1257.970258] [] ubsan_epilogue+0x12/0x53 [ 1257.985992] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1258.009177] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1258.031371] [] apparmor_file_open+0x116/0x316 [ 1258.052185] [] ? apparmor_getprocattr+0x204/0x204 [ 1258.071777] [] ? lockref_put_return+0x16d/0x16d [ 1258.091696] [] ? __devcgroup_check_permission+0xfe/0x115 [ 1258.111777] [] security_file_open+0x64/0xba [ 1258.129069] [] ? do_dentry_open+0x4b3/0xa9a [ 1258.147336] [] do_dentry_open+0x504/0xa9a [ 1258.164129] [] vfs_open+0x1a5/0x1be [ 1258.180199] [] path_openat+0x1f94/0x2525 [ 1258.196317] [] ? slab_post_alloc_hook+0x97/0xb7 [ 1258.216214] [] ? SyS_open+0x32/0x39 [ 1258.232997] [] ? kernel_init_freeable+0x48a/0x518 [ 1258.254570] [] ? may_open+0x1c0/0x1c0 [ 1258.274438] [] ? getname_flags+0x4f/0x2e0 [ 1258.292870] [] ? init_object+0x1d6/0x1e2 [ 1258.309399] [] ? expand_files+0x68a/0x6d7 [ 1258.325580] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1258.346620] [] do_filp_open+0xe2/0x18c [ 1258.364272] [] ? path_openat+0x2525/0x2525 [ 1258.379581] [] ? exit_files+0xaa/0xaa [ 1258.400652] [] do_sys_open+0xf5/0x342 [ 1258.415916] [] ? do_sys_open+0xf5/0x342 [ 1258.432955] [] ? filp_open+0x68/0x68 [ 1258.451323] [] SyS_open+0x32/0x39 [ 1258.466503] [] kernel_init_freeable+0x48a/0x518 [ 1258.489385] [] kernel_init+0x16/0x181 [ 1258.506825] [] ret_from_fork+0x1f/0x40 [ 1258.520373] [] ? rest_init+0x8f/0x8f [ 1258.537727] ================================================================================ [ 1258.574355] ================================================================================ [ 1258.632711] UBSAN: Undefined behaviour in ./include/linux/backing-dev.h:188:11 [ 1258.678547] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 1258.733292] which requires 64 byte alignment [ 1258.759682] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1258.795526] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1258.859503] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8d0 ffffffffb26ec5cc [ 1258.904167] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1258.952761] ffff880000000010 ffff88005c9df8f8 ffff88005c9df8a8 ffffffffb363c3e0 [ 1259.008100] Call Trace: [ 1259.025473] [] dump_stack+0xd7/0x132 [ 1259.077387] [] ? arch_local_irq_restore+0x1b/0x1b [ 1259.115526] [] ubsan_epilogue+0x12/0x53 [ 1259.149027] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1259.186889] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1259.227396] [] ? chrdev_open+0x46c/0x4ae [ 1259.268596] [] ? cdev_put+0x59/0x59 [ 1259.299100] [] inode_to_bdi+0x93/0xb9 [ 1259.335369] [] ? file_ra_state_init+0x39/0xc1 [ 1259.372234] [] file_ra_state_init+0x42/0xc1 [ 1259.408985] [] do_dentry_open+0xa85/0xa9a [ 1259.450905] [] vfs_open+0x1a5/0x1be [ 1259.482078] [] path_openat+0x1f94/0x2525 [ 1259.512664] [] ? slab_post_alloc_hook+0x97/0xb7 [ 1259.552755] [] ? SyS_open+0x32/0x39 [ 1259.584819] [] ? kernel_init_freeable+0x48a/0x518 [ 1259.622728] [] ? may_open+0x1c0/0x1c0 [ 1259.651918] [] ? getname_flags+0x4f/0x2e0 [ 1259.691318] [] ? init_object+0x1d6/0x1e2 [ 1259.725581] [] ? expand_files+0x68a/0x6d7 [ 1259.758457] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1259.803631] [] do_filp_open+0xe2/0x18c [ 1259.841691] [] ? path_openat+0x2525/0x2525 [ 1259.881970] [] ? exit_files+0xaa/0xaa [ 1259.916283] [] do_sys_open+0xf5/0x342 [ 1259.947469] [] ? do_sys_open+0xf5/0x342 [ 1259.979519] [] ? filp_open+0x68/0x68 [ 1260.007536] [] SyS_open+0x32/0x39 [ 1260.039422] [] kernel_init_freeable+0x48a/0x518 [ 1260.078032] [] kernel_init+0x16/0x181 [ 1260.115698] [] ret_from_fork+0x1f/0x40 [ 1260.145804] [] ? rest_init+0x8f/0x8f [ 1260.180413] ================================================================================ [ 1260.227803] md: Waiting for all devices to be available before autodetect [ 1260.257079] md: If you don't use raid, use raid=noautodetect [ 1260.316498] md: Autodetecting RAID arrays. [ 1260.330300] md: Scanned 0 and added 0 devices. [ 1260.345127] md: autorun ... [ 1260.353607] md: ... autorun DONE. [ 1260.365233] ================================================================================ [ 1260.393285] UBSAN: Undefined behaviour in security/apparmor/include/lib.h:115:23 [ 1260.416674] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 1260.444947] which requires 64 byte alignment [ 1260.460789] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1260.478521] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1260.509131] 00000000ffffffff 00000000b1a89c60 ffff88005c9df988 ffffffffb26ec5cc [ 1260.532533] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1260.555411] 0000000000000010 ffff88005c9df9b0 ffff88005c9df960 ffffffffb363c3e0 [ 1260.579410] Call Trace: [ 1260.585152] [] dump_stack+0xd7/0x132 [ 1260.602840] [] ? arch_local_irq_restore+0x1b/0x1b [ 1260.619920] [] ubsan_epilogue+0x12/0x53 [ 1260.639364] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1260.663219] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1260.684663] [] ? getname+0x22/0x22 [ 1260.699619] [] common_perm_rm.constprop.8+0x11c/0x21e [ 1260.718608] [] ? apparmor_path_chmod+0x29/0x29 [ 1260.737502] [] ? __d_lookup+0x1ff/0x20f [ 1260.755019] [] apparmor_path_unlink+0x29/0x2e [ 1260.775870] [] security_path_unlink+0xe4/0x128 [ 1260.791965] [] ? do_unlinkat+0x22d/0x41a [ 1260.809054] [] do_unlinkat+0x255/0x41a [ 1260.828693] [] ? do_rmdir+0x306/0x306 [ 1260.844311] [] ? filp_close+0x15f/0x16d [ 1260.859796] [] ? fd_install+0x60/0x60 [ 1260.881972] [] SyS_unlink+0x1f/0x22 [ 1260.896078] [] rd_load_image+0xaf9/0xb3c [ 1260.914690] [] ? ramdisk_start_setup+0x28/0x28 [ 1260.933626] [] ? path_put+0x66/0x69 [ 1260.949399] [] ? user_path_create+0x3c/0x3c [ 1260.967326] [] ? security_file_ioctl+0xa5/0xb4 [ 1260.988490] [] initrd_load+0x4c/0x3d5 [ 1261.004374] [] prepare_namespace+0x102/0x235 [ 1261.025532] [] kernel_init_freeable+0x4fa/0x518 [ 1261.047835] [] kernel_init+0x16/0x181 [ 1261.062655] [] ret_from_fork+0x1f/0x40 [ 1261.079016] [] ? rest_init+0x8f/0x8f [ 1261.102370] ================================================================================ [ 1261.143316] ================================================================================ [ 1261.177562] UBSAN: Undefined behaviour in fs/super.c:1004:12 [ 1261.204193] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1261.242121] which requires 64 byte alignment [ 1261.282283] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1261.313031] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1261.362795] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8b0 ffffffffb26ec5cc [ 1261.403169] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1261.448047] ffffffff00000010 ffff88005c9df8d8 ffff88005c9df888 ffffffffb363c3e0 [ 1261.495490] Call Trace: [ 1261.508792] [] dump_stack+0xd7/0x132 [ 1261.534442] [] ? arch_local_irq_restore+0x1b/0x1b [ 1261.570778] [] ubsan_epilogue+0x12/0x53 [ 1261.598943] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1261.632111] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1261.677245] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1261.706942] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1261.728027] [] ? __down_timeout+0x18/0x18 [ 1261.747710] [] set_bdev_super+0x32/0x15d [ 1261.767780] [] sget_userns+0xacd/0xcbc [ 1261.782244] [] ? ns_test_super+0x4d/0x4d [ 1261.801352] [] ? set_bdev_super+0x15d/0x15d [ 1261.818923] [] ? get_super_thawed+0x211/0x211 [ 1261.837810] [] ? security_capable+0xaa/0xb9 [ 1261.861740] [] ? ns_test_super+0x4d/0x4d [ 1261.880282] [] ? ns_capable_common+0x149/0x153 [ 1261.901558] [] ? set_bdev_super+0x15d/0x15d [ 1261.918272] [] ? ns_test_super+0x4d/0x4d [ 1261.938502] [] sget+0xae/0xe3 [ 1261.953325] [] mount_bdev+0x272/0x602 [ 1261.972730] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1261.995926] [] ext4_mount+0x3c/0x3e [ 1262.014212] [] mount_fs+0xd0/0x2ca [ 1262.031404] [] vfs_kern_mount+0xa0/0x20a [ 1262.048514] [] do_mount+0x11fe/0x19df [ 1262.066087] [] ? kasan_kmalloc+0x94/0xa3 [ 1262.084595] [] ? copy_mount_string+0x3d/0x3d [ 1262.103350] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1262.126528] [] ? __check_object_size+0x1e1/0x2b8 [ 1262.145336] [] ? 0xffffffffb1c002b8 [ 1262.161208] [] ? copy_mount_options+0x23d/0x24d [ 1262.184466] [] SyS_mount+0xa3/0xda [ 1262.200655] [] mount_block_root+0x2fc/0x650 [ 1262.218019] [] ? init_rootfs+0x99/0x99 [ 1262.235545] [] ? security_file_ioctl+0xa5/0xb4 [ 1262.263622] [] ? SyS_mknod+0x2f/0x36 [ 1262.281656] [] mount_root+0x45/0x48 [ 1262.296512] [] prepare_namespace+0x1cf/0x235 [ 1262.313617] [] kernel_init_freeable+0x4fa/0x518 [ 1262.334665] [] kernel_init+0x16/0x181 [ 1262.352536] [] ret_from_fork+0x1f/0x40 [ 1262.369149] [] ? rest_init+0x8f/0x8f [ 1262.386268] ================================================================================ [ 1262.412653] ================================================================================ [ 1262.441730] UBSAN: Undefined behaviour in fs/super.c:1005:14 [ 1262.461360] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1262.496246] which requires 64 byte alignment [ 1262.509210] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1262.528181] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1262.558285] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8b0 ffffffffb26ec5cc [ 1262.584666] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1262.612976] ffff880000000010 ffff88005c9df8d8 ffff88005c9df888 ffffffffb363c3e0 [ 1262.636698] Call Trace: [ 1262.646199] [] dump_stack+0xd7/0x132 [ 1262.664810] [] ? arch_local_irq_restore+0x1b/0x1b [ 1262.686369] [] ubsan_epilogue+0x12/0x53 [ 1262.704210] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1262.729023] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1262.751896] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1262.771385] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1262.796471] [] ? __down_timeout+0x18/0x18 [ 1262.814445] [] set_bdev_super+0x5e/0x15d [ 1262.834800] [] sget_userns+0xacd/0xcbc [ 1262.850803] [] ? ns_test_super+0x4d/0x4d [ 1262.868594] [] ? set_bdev_super+0x15d/0x15d [ 1262.886521] [] ? get_super_thawed+0x211/0x211 [ 1262.909115] [] ? security_capable+0xaa/0xb9 [ 1262.927101] [] ? ns_test_super+0x4d/0x4d [ 1262.945755] [] ? ns_capable_common+0x149/0x153 [ 1262.964956] [] ? set_bdev_super+0x15d/0x15d [ 1262.984564] [] ? ns_test_super+0x4d/0x4d [ 1263.001118] [] sget+0xae/0xe3 [ 1263.016447] [] mount_bdev+0x272/0x602 [ 1263.034243] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1263.056510] [] ext4_mount+0x3c/0x3e [ 1263.070167] [] mount_fs+0xd0/0x2ca [ 1263.088510] [] vfs_kern_mount+0xa0/0x20a [ 1263.106512] [] do_mount+0x11fe/0x19df [ 1263.125671] [] ? kasan_kmalloc+0x94/0xa3 [ 1263.142719] [] ? copy_mount_string+0x3d/0x3d [ 1263.159842] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1263.181481] [] ? __check_object_size+0x1e1/0x2b8 [ 1263.198850] [] ? 0xffffffffb1c002b8 [ 1263.216806] [] ? copy_mount_options+0x23d/0x24d [ 1263.238097] [] SyS_mount+0xa3/0xda [ 1263.257186] [] mount_block_root+0x2fc/0x650 [ 1263.275592] [] ? init_rootfs+0x99/0x99 [ 1263.298121] [] ? security_file_ioctl+0xa5/0xb4 [ 1263.319356] [] ? SyS_mknod+0x2f/0x36 [ 1263.344813] [] mount_root+0x45/0x48 [ 1263.365421] [] prepare_namespace+0x1cf/0x235 [ 1263.389581] [] kernel_init_freeable+0x4fa/0x518 [ 1263.414171] [] kernel_init+0x16/0x181 [ 1263.438646] [] ret_from_fork+0x1f/0x40 [ 1263.465642] [] ? rest_init+0x8f/0x8f [ 1263.489463] ================================================================================ [ 1263.523859] ================================================================================ [ 1263.562358] UBSAN: Undefined behaviour in fs/super.c:1005:11 [ 1263.587242] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1263.636723] which requires 64 byte alignment [ 1263.669313] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1263.694977] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1263.746423] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8b0 ffffffffb26ec5cc [ 1263.799227] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1263.851924] ffff880000000010 ffff88005c9df8d8 ffff88005c9df888 ffffffffb363c3e0 [ 1263.902001] Call Trace: [ 1263.915687] [] dump_stack+0xd7/0x132 [ 1263.935627] [] ? arch_local_irq_restore+0x1b/0x1b [ 1263.960867] [] ubsan_epilogue+0x12/0x53 [ 1263.984540] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1264.012052] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1264.042468] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1264.069667] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1264.099909] [] ? __down_timeout+0x18/0x18 [ 1264.119891] [] set_bdev_super+0x9d/0x15d [ 1264.140185] [] sget_userns+0xacd/0xcbc [ 1264.164137] [] ? ns_test_super+0x4d/0x4d [ 1264.188255] [] ? set_bdev_super+0x15d/0x15d [ 1264.205524] [] ? get_super_thawed+0x211/0x211 [ 1264.229013] [] ? security_capable+0xaa/0xb9 [ 1264.249424] [] ? ns_test_super+0x4d/0x4d [ 1264.269780] [] ? ns_capable_common+0x149/0x153 [ 1264.290685] [] ? set_bdev_super+0x15d/0x15d [ 1264.310491] [] ? ns_test_super+0x4d/0x4d [ 1264.333024] [] sget+0xae/0xe3 [ 1264.350722] [] mount_bdev+0x272/0x602 [ 1264.367902] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1264.391620] [] ext4_mount+0x3c/0x3e [ 1264.408465] [] mount_fs+0xd0/0x2ca [ 1264.426976] [] vfs_kern_mount+0xa0/0x20a [ 1264.446135] [] do_mount+0x11fe/0x19df [ 1264.465778] [] ? kasan_kmalloc+0x94/0xa3 [ 1264.486012] [] ? copy_mount_string+0x3d/0x3d [ 1264.505204] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1264.528091] [] ? __check_object_size+0x1e1/0x2b8 [ 1264.548433] [] ? 0xffffffffb1c002b8 [ 1264.565608] [] ? copy_mount_options+0x23d/0x24d [ 1264.585512] [] SyS_mount+0xa3/0xda [ 1264.602870] [] mount_block_root+0x2fc/0x650 [ 1264.620799] [] ? init_rootfs+0x99/0x99 [ 1264.645480] [] ? security_file_ioctl+0xa5/0xb4 [ 1264.685356] [] ? SyS_mknod+0x2f/0x36 [ 1264.714653] [] mount_root+0x45/0x48 [ 1264.733350] [] prepare_namespace+0x1cf/0x235 [ 1264.753049] [] kernel_init_freeable+0x4fa/0x518 [ 1264.771506] [] kernel_init+0x16/0x181 [ 1264.788738] [] ret_from_fork+0x1f/0x40 [ 1264.804366] [] ? rest_init+0x8f/0x8f [ 1264.822303] ================================================================================ [ 1264.850043] ================================================================================ [ 1264.879606] UBSAN: Undefined behaviour in fs/super.c:1011:14 [ 1264.898302] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1264.926091] which requires 64 byte alignment [ 1264.944348] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1264.970251] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1265.004844] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8b0 ffffffffb26ec5cc [ 1265.029724] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1265.053808] ffff880000000010 ffff88005c9df8d8 ffff88005c9df888 ffffffffb363c3e0 [ 1265.080014] Call Trace: [ 1265.088303] [] dump_stack+0xd7/0x132 [ 1265.104833] [] ? arch_local_irq_restore+0x1b/0x1b [ 1265.128675] [] ubsan_epilogue+0x12/0x53 [ 1265.145130] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1265.166669] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1265.189922] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1265.213272] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1265.237888] [] ? __down_timeout+0x18/0x18 [ 1265.255286] [] set_bdev_super+0xc3/0x15d [ 1265.280567] [] sget_userns+0xacd/0xcbc [ 1265.298296] [] ? ns_test_super+0x4d/0x4d [ 1265.317681] [] ? set_bdev_super+0x15d/0x15d [ 1265.337123] [] ? get_super_thawed+0x211/0x211 [ 1265.399451] [] ? security_capable+0xaa/0xb9 [ 1265.448824] [] ? ns_test_super+0x4d/0x4d [ 1265.522098] [] ? ns_capable_common+0x149/0x153 [ 1265.568549] [] ? set_bdev_super+0x15d/0x15d [ 1265.586988] [] ? ns_test_super+0x4d/0x4d [ 1265.606073] [] sget+0xae/0xe3 [ 1265.619205] [] mount_bdev+0x272/0x602 [ 1265.635007] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1265.656605] [] ext4_mount+0x3c/0x3e [ 1265.673983] [] mount_fs+0xd0/0x2ca [ 1265.688598] [] vfs_kern_mount+0xa0/0x20a [ 1265.707894] [] do_mount+0x11fe/0x19df [ 1265.725441] [] ? kasan_kmalloc+0x94/0xa3 [ 1265.746123] [] ? copy_mount_string+0x3d/0x3d [ 1265.765620] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1265.787238] [] ? __check_object_size+0x1e1/0x2b8 [ 1265.813116] [] ? 0xffffffffb1c002b8 [ 1265.832466] [] ? copy_mount_options+0x23d/0x24d [ 1265.853380] [] SyS_mount+0xa3/0xda [ 1265.869203] [] mount_block_root+0x2fc/0x650 [ 1265.891345] [] ? init_rootfs+0x99/0x99 [ 1265.913504] [] ? security_file_ioctl+0xa5/0xb4 [ 1265.937201] [] ? SyS_mknod+0x2f/0x36 [ 1265.955986] [] mount_root+0x45/0x48 [ 1265.978171] [] prepare_namespace+0x1cf/0x235 [ 1266.001060] [] kernel_init_freeable+0x4fa/0x518 [ 1266.019931] [] kernel_init+0x16/0x181 [ 1266.052929] [] ret_from_fork+0x1f/0x40 [ 1266.091292] [] ? rest_init+0x8f/0x8f [ 1266.131343] ================================================================================ [ 1266.165207] ================================================================================ [ 1266.200168] UBSAN: Undefined behaviour in fs/super.c:1011:11 [ 1266.220463] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1266.254525] which requires 64 byte alignment [ 1266.268276] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1266.290598] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1266.327503] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8b0 ffffffffb26ec5cc [ 1266.352666] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1266.382445] ffff880000000010 ffff88005c9df8d8 ffff88005c9df888 ffffffffb363c3e0 [ 1266.410815] Call Trace: [ 1266.417581] [] dump_stack+0xd7/0x132 [ 1266.437071] [] ? arch_local_irq_restore+0x1b/0x1b [ 1266.461479] [] ubsan_epilogue+0x12/0x53 [ 1266.483896] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1266.510741] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1266.537232] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1266.563930] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1266.597644] [] ? __down_timeout+0x18/0x18 [ 1266.618424] [] set_bdev_super+0x141/0x15d [ 1266.640164] [] sget_userns+0xacd/0xcbc [ 1266.665195] [] ? ns_test_super+0x4d/0x4d [ 1266.691087] [] ? set_bdev_super+0x15d/0x15d [ 1266.714168] [] ? get_super_thawed+0x211/0x211 [ 1266.736729] [] ? security_capable+0xaa/0xb9 [ 1266.755925] [] ? ns_test_super+0x4d/0x4d [ 1266.779414] [] ? ns_capable_common+0x149/0x153 [ 1266.803246] [] ? set_bdev_super+0x15d/0x15d [ 1266.822374] [] ? ns_test_super+0x4d/0x4d [ 1266.844708] [] sget+0xae/0xe3 [ 1266.862419] [] mount_bdev+0x272/0x602 [ 1266.883285] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1266.905549] [] ext4_mount+0x3c/0x3e [ 1266.922400] [] mount_fs+0xd0/0x2ca [ 1266.943301] [] vfs_kern_mount+0xa0/0x20a [ 1266.962667] [] do_mount+0x11fe/0x19df [ 1266.982364] [] ? kasan_kmalloc+0x94/0xa3 [ 1267.001244] [] ? copy_mount_string+0x3d/0x3d [ 1267.021624] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1267.045496] [] ? __check_object_size+0x1e1/0x2b8 [ 1267.063356] [] ? 0xffffffffb1c002b8 [ 1267.081328] [] ? copy_mount_options+0x23d/0x24d [ 1267.102734] [] SyS_mount+0xa3/0xda [ 1267.119353] [] mount_block_root+0x2fc/0x650 [ 1267.141022] [] ? init_rootfs+0x99/0x99 [ 1267.160847] [] ? security_file_ioctl+0xa5/0xb4 [ 1267.181408] [] ? SyS_mknod+0x2f/0x36 [ 1267.201248] [] mount_root+0x45/0x48 [ 1267.218021] [] prepare_namespace+0x1cf/0x235 [ 1267.238812] [] kernel_init_freeable+0x4fa/0x518 [ 1267.264084] [] kernel_init+0x16/0x181 [ 1267.283529] [] ret_from_fork+0x1f/0x40 [ 1267.304639] [] ? rest_init+0x8f/0x8f [ 1267.323617] ================================================================================ [ 1267.360349] ================================================================================ [ 1267.394834] UBSAN: Undefined behaviour in fs/super.c:1070:7 [ 1267.428864] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1267.467320] which requires 64 byte alignment [ 1267.487303] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1267.505745] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1267.538503] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa40 ffffffffb26ec5cc [ 1267.566708] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1267.595894] 1ffff10000000010 ffff88005c9dfa68 ffff88005c9dfa18 ffffffffb363c3e0 [ 1267.623485] Call Trace: [ 1267.632762] [] dump_stack+0xd7/0x132 [ 1267.652507] [] ? arch_local_irq_restore+0x1b/0x1b [ 1267.678697] [] ubsan_epilogue+0x12/0x53 [ 1267.699091] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1267.721782] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1267.749141] [] ? set_bdev_super+0x15d/0x15d [ 1267.767933] [] ? ns_test_super+0x4d/0x4d [ 1267.790864] [] ? sget+0xd3/0xe3 [ 1267.808942] [] mount_bdev+0x2a9/0x602 [ 1267.830511] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1267.853225] [] ext4_mount+0x3c/0x3e [ 1267.870643] [] mount_fs+0xd0/0x2ca [ 1267.894615] [] vfs_kern_mount+0xa0/0x20a [ 1267.917471] [] do_mount+0x11fe/0x19df [ 1267.937796] [] ? kasan_kmalloc+0x94/0xa3 [ 1267.958245] [] ? copy_mount_string+0x3d/0x3d [ 1267.979828] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1268.003297] [] ? __check_object_size+0x1e1/0x2b8 [ 1268.040392] [] ? 0xffffffffb1c002b8 [ 1268.071794] [] ? copy_mount_options+0x23d/0x24d [ 1268.108291] [] SyS_mount+0xa3/0xda [ 1268.151438] [] mount_block_root+0x2fc/0x650 [ 1268.202432] [] ? init_rootfs+0x99/0x99 [ 1268.222730] [] ? security_file_ioctl+0xa5/0xb4 [ 1268.265585] [] ? SyS_mknod+0x2f/0x36 [ 1268.287473] [] mount_root+0x45/0x48 [ 1268.305269] [] prepare_namespace+0x1cf/0x235 [ 1268.329767] [] kernel_init_freeable+0x4fa/0x518 [ 1268.351129] [] kernel_init+0x16/0x181 [ 1268.371451] [] ret_from_fork+0x1f/0x40 [ 1268.391429] [] ? rest_init+0x8f/0x8f [ 1268.414857] ================================================================================ [ 1268.450540] ================================================================================ [ 1268.493412] UBSAN: Undefined behaviour in fs/super.c:1088:13 [ 1268.518160] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1268.564989] which requires 64 byte alignment [ 1268.585977] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1268.616186] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1268.652428] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa40 ffffffffb26ec5cc [ 1268.683788] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1268.707968] ffff880000000010 ffff88005c9dfa68 ffff88005c9dfa18 ffffffffb363c3e0 [ 1268.735784] Call Trace: [ 1268.747164] [] dump_stack+0xd7/0x132 [ 1268.763462] [] ? arch_local_irq_restore+0x1b/0x1b [ 1268.785619] [] ubsan_epilogue+0x12/0x53 [ 1268.809072] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1268.835108] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1268.862570] [] ? set_bdev_super+0x15d/0x15d [ 1268.891010] [] ? ns_test_super+0x4d/0x4d [ 1268.916117] [] ? sget+0xd3/0xe3 [ 1268.935861] [] mount_bdev+0x35b/0x602 [ 1268.955682] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1268.981015] [] ext4_mount+0x3c/0x3e [ 1269.001793] [] mount_fs+0xd0/0x2ca [ 1269.019604] [] vfs_kern_mount+0xa0/0x20a [ 1269.040920] [] do_mount+0x11fe/0x19df [ 1269.063631] [] ? kasan_kmalloc+0x94/0xa3 [ 1269.085475] [] ? copy_mount_string+0x3d/0x3d [ 1269.113045] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1269.137588] [] ? __check_object_size+0x1e1/0x2b8 [ 1269.161221] [] ? 0xffffffffb1c002b8 [ 1269.180881] [] ? copy_mount_options+0x23d/0x24d [ 1269.204447] [] SyS_mount+0xa3/0xda [ 1269.223887] [] mount_block_root+0x2fc/0x650 [ 1269.251459] [] ? init_rootfs+0x99/0x99 [ 1269.272078] [] ? security_file_ioctl+0xa5/0xb4 [ 1269.299622] [] ? SyS_mknod+0x2f/0x36 [ 1269.319468] [] mount_root+0x45/0x48 [ 1269.337550] [] prepare_namespace+0x1cf/0x235 [ 1269.363962] [] kernel_init_freeable+0x4fa/0x518 [ 1269.389456] [] kernel_init+0x16/0x181 [ 1269.412292] [] ret_from_fork+0x1f/0x40 [ 1269.437591] [] ? rest_init+0x8f/0x8f [ 1269.461365] ================================================================================ [ 1269.496252] ================================================================================ [ 1269.524473] UBSAN: Undefined behaviour in fs/block_dev.c:141:6 [ 1269.547384] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1269.583275] which requires 64 byte alignment [ 1269.601663] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1269.624635] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1269.661350] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa10 ffffffffb26ec5cc [ 1269.693498] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1269.737265] ffffffff00000010 ffff88005c9dfa38 ffff88005c9df9e8 ffffffffb363c3e0 [ 1269.786235] Call Trace: [ 1269.799830] [] dump_stack+0xd7/0x132 [ 1269.891254] [] ? arch_local_irq_restore+0x1b/0x1b [ 1269.943136] [] ubsan_epilogue+0x12/0x53 [ 1270.011144] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1270.053356] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1270.091111] [] ? scnprintf+0xf3/0xf3 [ 1270.176495] [] sb_set_blocksize+0x34/0xfc [ 1270.289723] [] mount_bdev+0x3b9/0x602 [ 1270.339896] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1270.389058] [] ext4_mount+0x3c/0x3e [ 1270.416284] [] mount_fs+0xd0/0x2ca [ 1270.438226] [] vfs_kern_mount+0xa0/0x20a [ 1270.459024] [] do_mount+0x11fe/0x19df [ 1270.483581] [] ? kasan_kmalloc+0x94/0xa3 [ 1270.505273] [] ? copy_mount_string+0x3d/0x3d [ 1270.532021] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1270.553128] [] ? __check_object_size+0x1e1/0x2b8 [ 1270.580643] [] ? 0xffffffffb1c002b8 [ 1270.600637] [] ? copy_mount_options+0x23d/0x24d [ 1270.623676] [] SyS_mount+0xa3/0xda [ 1270.642067] [] mount_block_root+0x2fc/0x650 [ 1270.668002] [] ? init_rootfs+0x99/0x99 [ 1270.703177] [] ? security_file_ioctl+0xa5/0xb4 [ 1270.732036] [] ? SyS_mknod+0x2f/0x36 [ 1270.752212] [] mount_root+0x45/0x48 [ 1270.770128] [] prepare_namespace+0x1cf/0x235 [ 1270.791026] [] kernel_init_freeable+0x4fa/0x518 [ 1270.817731] [] kernel_init+0x16/0x181 [ 1270.835683] [] ret_from_fork+0x1f/0x40 [ 1270.853406] [] ? rest_init+0x8f/0x8f [ 1270.872992] ================================================================================ [ 1270.905731] ================================================================================ [ 1270.937950] UBSAN: Undefined behaviour in fs/block_dev.c:145:18 [ 1270.964866] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1271.008125] which requires 64 byte alignment [ 1271.027807] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1271.055854] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1271.100570] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa10 ffffffffb26ec5cc [ 1271.135329] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1271.167161] ffff880000000010 ffff88005c9dfa38 ffff88005c9df9e8 ffffffffb363c3e0 [ 1271.200284] Call Trace: [ 1271.211305] [] dump_stack+0xd7/0x132 [ 1271.235753] [] ? arch_local_irq_restore+0x1b/0x1b [ 1271.264438] [] ubsan_epilogue+0x12/0x53 [ 1271.289976] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1271.321424] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1271.352892] [] ? scnprintf+0xf3/0xf3 [ 1271.376181] [] sb_set_blocksize+0x78/0xfc [ 1271.398732] [] mount_bdev+0x3b9/0x602 [ 1271.418140] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1271.444516] [] ext4_mount+0x3c/0x3e [ 1271.461609] [] mount_fs+0xd0/0x2ca [ 1271.482988] [] vfs_kern_mount+0xa0/0x20a [ 1271.508085] [] do_mount+0x11fe/0x19df [ 1271.528468] [] ? kasan_kmalloc+0x94/0xa3 [ 1271.552045] [] ? copy_mount_string+0x3d/0x3d [ 1271.575141] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1271.602199] [] ? __check_object_size+0x1e1/0x2b8 [ 1271.632465] [] ? 0xffffffffb1c002b8 [ 1271.652714] [] ? copy_mount_options+0x23d/0x24d [ 1271.681558] [] SyS_mount+0xa3/0xda [ 1271.707908] [] mount_block_root+0x2fc/0x650 [ 1271.736165] [] ? init_rootfs+0x99/0x99 [ 1271.757698] [] ? security_file_ioctl+0xa5/0xb4 [ 1271.786551] [] ? SyS_mknod+0x2f/0x36 [ 1271.809542] [] mount_root+0x45/0x48 [ 1271.831709] [] prepare_namespace+0x1cf/0x235 [ 1271.854414] [] kernel_init_freeable+0x4fa/0x518 [ 1271.878601] [] kernel_init+0x16/0x181 [ 1271.901683] [] ret_from_fork+0x1f/0x40 [ 1271.919962] [] ? rest_init+0x8f/0x8f [ 1271.941615] ================================================================================ [ 1271.978806] ================================================================================ [ 1272.010924] UBSAN: Undefined behaviour in fs/block_dev.c:146:23 [ 1272.032275] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1272.065697] which requires 64 byte alignment [ 1272.080902] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1272.106326] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1272.150188] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa10 ffffffffb26ec5cc [ 1272.177017] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1272.215518] ffff880000000010 ffff88005c9dfa38 ffff88005c9df9e8 ffffffffb363c3e0 [ 1272.247472] Call Trace: [ 1272.257534] [] dump_stack+0xd7/0x132 [ 1272.282107] [] ? arch_local_irq_restore+0x1b/0x1b [ 1272.310844] [] ubsan_epilogue+0x12/0x53 [ 1272.334721] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1272.363382] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1272.392925] [] ? scnprintf+0xf3/0xf3 [ 1272.414382] [] sb_set_blocksize+0xc0/0xfc [ 1272.434543] [] mount_bdev+0x3b9/0x602 [ 1272.454839] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1272.481135] [] ext4_mount+0x3c/0x3e [ 1272.500943] [] mount_fs+0xd0/0x2ca [ 1272.518828] [] vfs_kern_mount+0xa0/0x20a [ 1272.539545] [] do_mount+0x11fe/0x19df [ 1272.560680] [] ? kasan_kmalloc+0x94/0xa3 [ 1272.581354] [] ? copy_mount_string+0x3d/0x3d [ 1272.602612] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1272.621446] [] ? __check_object_size+0x1e1/0x2b8 [ 1272.643834] [] ? 0xffffffffb1c002b8 [ 1272.666055] [] ? copy_mount_options+0x23d/0x24d [ 1272.690116] [] SyS_mount+0xa3/0xda [ 1272.713425] [] mount_block_root+0x2fc/0x650 [ 1272.738042] [] ? init_rootfs+0x99/0x99 [ 1272.759308] [] ? security_file_ioctl+0xa5/0xb4 [ 1272.783779] [] ? SyS_mknod+0x2f/0x36 [ 1272.805602] [] mount_root+0x45/0x48 [ 1272.828458] [] prepare_namespace+0x1cf/0x235 [ 1272.852752] [] kernel_init_freeable+0x4fa/0x518 [ 1272.876114] [] kernel_init+0x16/0x181 [ 1272.898365] [] ret_from_fork+0x1f/0x40 [ 1272.917456] [] ? rest_init+0x8f/0x8f [ 1272.937691] ================================================================================ [ 1272.980266] ================================================================================ [ 1273.016795] UBSAN: Undefined behaviour in fs/block_dev.c:147:11 [ 1273.040161] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1273.078968] which requires 64 byte alignment [ 1273.100773] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1273.125449] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1273.167501] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa10 ffffffffb26ec5cc [ 1273.200548] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1273.230085] ffff880000000010 ffff88005c9dfa38 ffff88005c9df9e8 ffffffffb363c3e0 [ 1273.261661] Call Trace: [ 1273.272796] [] dump_stack+0xd7/0x132 [ 1273.298624] [] ? arch_local_irq_restore+0x1b/0x1b [ 1273.323091] [] ubsan_epilogue+0x12/0x53 [ 1273.349220] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1273.378394] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1273.407105] [] ? scnprintf+0xf3/0xf3 [ 1273.429679] [] sb_set_blocksize+0xe6/0xfc [ 1273.453051] [] mount_bdev+0x3b9/0x602 [ 1273.473959] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1273.505388] [] ext4_mount+0x3c/0x3e [ 1273.530658] [] mount_fs+0xd0/0x2ca [ 1273.553752] [] vfs_kern_mount+0xa0/0x20a [ 1273.578505] [] do_mount+0x11fe/0x19df [ 1273.602627] [] ? kasan_kmalloc+0x94/0xa3 [ 1273.631398] [] ? copy_mount_string+0x3d/0x3d [ 1273.654333] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1273.677216] [] ? __check_object_size+0x1e1/0x2b8 [ 1273.702340] [] ? 0xffffffffb1c002b8 [ 1273.721653] [] ? copy_mount_options+0x23d/0x24d [ 1273.748348] [] SyS_mount+0xa3/0xda [ 1273.767622] [] mount_block_root+0x2fc/0x650 [ 1273.786153] [] ? init_rootfs+0x99/0x99 [ 1273.806489] [] ? security_file_ioctl+0xa5/0xb4 [ 1273.832277] [] ? SyS_mknod+0x2f/0x36 [ 1273.854523] [] mount_root+0x45/0x48 [ 1273.873732] [] prepare_namespace+0x1cf/0x235 [ 1273.901797] [] kernel_init_freeable+0x4fa/0x518 [ 1273.923412] [] kernel_init+0x16/0x181 [ 1273.946304] [] ret_from_fork+0x1f/0x40 [ 1273.964917] [] ? rest_init+0x8f/0x8f [ 1273.990570] ================================================================================ [ 1274.022395] ================================================================================ [ 1274.053453] UBSAN: Undefined behaviour in fs/ext4/super.c:3314:16 [ 1274.073294] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1274.105783] which requires 64 byte alignment [ 1274.118312] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1274.142503] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1274.176197] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1274.204766] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1274.239003] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1274.268843] Call Trace: [ 1274.275025] [] dump_stack+0xd7/0x132 [ 1274.297884] [] ? arch_local_irq_restore+0x1b/0x1b [ 1274.319630] [] ubsan_epilogue+0x12/0x53 [ 1274.339119] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1274.364558] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1274.390479] [] ext4_fill_super+0x2fa/0xa2df [ 1274.413477] [] ? console_unlock+0x6a9/0x6b8 [ 1274.434399] [] ? vprintk_emit+0x636/0x647 [ 1274.455062] [] ? vprintk_default+0x65/0x6e [ 1274.475688] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1274.500580] [] ? ubsan_epilogue+0x26/0x53 [ 1274.518942] [] ? arch_local_irq_restore+0x6/0xd [ 1274.539520] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1274.563475] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1274.589184] [] ? scnprintf+0xf3/0xf3 [ 1274.608026] [] mount_bdev+0x3cf/0x602 [ 1274.625374] [] ? mount_bdev+0x3cf/0x602 [ 1274.656329] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1274.680315] [] ext4_mount+0x3c/0x3e [ 1274.700245] [] mount_fs+0xd0/0x2ca [ 1274.718439] [] vfs_kern_mount+0xa0/0x20a [ 1274.735388] [] do_mount+0x11fe/0x19df [ 1274.755502] [] ? kasan_kmalloc+0x94/0xa3 [ 1274.774169] [] ? copy_mount_string+0x3d/0x3d [ 1274.794083] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1274.821205] [] ? __check_object_size+0x1e1/0x2b8 [ 1274.845125] [] ? 0xffffffffb1c002b8 [ 1274.869975] [] ? copy_mount_options+0x23d/0x24d [ 1274.889152] [] SyS_mount+0xa3/0xda [ 1274.909780] [] mount_block_root+0x2fc/0x650 [ 1274.933266] [] ? init_rootfs+0x99/0x99 [ 1274.952261] [] ? security_file_ioctl+0xa5/0xb4 [ 1274.975584] [] ? SyS_mknod+0x2f/0x36 [ 1274.992920] [] mount_root+0x45/0x48 [ 1275.013288] [] prepare_namespace+0x1cf/0x235 [ 1275.034000] [] kernel_init_freeable+0x4fa/0x518 [ 1275.055925] [] kernel_init+0x16/0x181 [ 1275.074601] [] ret_from_fork+0x1f/0x40 [ 1275.093353] [] ? rest_init+0x8f/0x8f [ 1275.115391] ================================================================================ [ 1275.142628] ================================================================================ [ 1275.172419] UBSAN: Undefined behaviour in fs/ext4/super.c:3318:8 [ 1275.193641] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1275.223277] which requires 64 byte alignment [ 1275.238929] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1275.258707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1275.293432] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1275.320702] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1275.349113] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1275.372029] Call Trace: [ 1275.381842] [] dump_stack+0xd7/0x132 [ 1275.400544] [] ? arch_local_irq_restore+0x1b/0x1b [ 1275.422809] [] ubsan_epilogue+0x12/0x53 [ 1275.443873] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1275.468993] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1275.494901] [] ext4_fill_super+0x3c3/0xa2df [ 1275.516708] [] ? console_unlock+0x6a9/0x6b8 [ 1275.536516] [] ? vprintk_emit+0x636/0x647 [ 1275.556208] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1275.578992] [] ? ubsan_epilogue+0x26/0x53 [ 1275.601450] [] ? arch_local_irq_restore+0x6/0xd [ 1275.623456] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1275.648496] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1275.672896] [] ? scnprintf+0xf3/0xf3 [ 1275.693781] [] mount_bdev+0x3cf/0x602 [ 1275.716394] [] ? mount_bdev+0x3cf/0x602 [ 1275.734276] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1275.757078] [] ext4_mount+0x3c/0x3e [ 1275.775352] [] mount_fs+0xd0/0x2ca [ 1275.793316] [] vfs_kern_mount+0xa0/0x20a [ 1275.816369] [] do_mount+0x11fe/0x19df [ 1275.833232] [] ? kasan_kmalloc+0x94/0xa3 [ 1275.852796] [] ? copy_mount_string+0x3d/0x3d [ 1275.873631] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1275.900516] [] ? __check_object_size+0x1e1/0x2b8 [ 1275.921533] [] ? 0xffffffffb1c002b8 [ 1275.937253] [] ? copy_mount_options+0x23d/0x24d [ 1275.958003] [] SyS_mount+0xa3/0xda [ 1275.976665] [] mount_block_root+0x2fc/0x650 [ 1275.994289] [] ? init_rootfs+0x99/0x99 [ 1276.014158] [] ? security_file_ioctl+0xa5/0xb4 [ 1276.038090] [] ? SyS_mknod+0x2f/0x36 [ 1276.056539] [] mount_root+0x45/0x48 [ 1276.074002] [] prepare_namespace+0x1cf/0x235 [ 1276.093959] [] kernel_init_freeable+0x4fa/0x518 [ 1276.112816] [] kernel_init+0x16/0x181 [ 1276.132391] [] ret_from_fork+0x1f/0x40 [ 1276.151692] [] ? rest_init+0x8f/0x8f [ 1276.168780] ================================================================================ [ 1276.198148] ================================================================================ [ 1276.225234] UBSAN: Undefined behaviour in fs/ext4/super.c:3320:4 [ 1276.244637] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1276.277143] which requires 64 byte alignment [ 1276.293890] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1276.314472] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1276.350885] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1276.375944] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1276.404595] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1276.432864] Call Trace: [ 1276.440757] [] dump_stack+0xd7/0x132 [ 1276.457738] [] ? arch_local_irq_restore+0x1b/0x1b [ 1276.482072] [] ubsan_epilogue+0x12/0x53 [ 1276.501493] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1276.525324] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1276.552108] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 1276.572710] [] ext4_fill_super+0x4bd/0xa2df [ 1276.592815] [] ? console_unlock+0x6a9/0x6b8 [ 1276.611178] [] ? vprintk_emit+0x636/0x647 [ 1276.633966] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1276.655254] [] ? ubsan_epilogue+0x26/0x53 [ 1276.675200] [] ? arch_local_irq_restore+0x6/0xd [ 1276.704666] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1276.732252] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1276.756730] [] ? scnprintf+0xf3/0xf3 [ 1276.774727] [] mount_bdev+0x3cf/0x602 [ 1276.790973] [] ? mount_bdev+0x3cf/0x602 [ 1276.809432] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1276.833093] [] ext4_mount+0x3c/0x3e [ 1276.851149] [] mount_fs+0xd0/0x2ca [ 1276.869130] [] vfs_kern_mount+0xa0/0x20a [ 1276.888424] [] do_mount+0x11fe/0x19df [ 1276.909594] [] ? kasan_kmalloc+0x94/0xa3 [ 1276.928072] [] ? copy_mount_string+0x3d/0x3d [ 1276.952921] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1276.977773] [] ? __check_object_size+0x1e1/0x2b8 [ 1277.001578] [] ? 0xffffffffb1c002b8 [ 1277.021319] [] ? copy_mount_options+0x23d/0x24d [ 1277.041233] [] SyS_mount+0xa3/0xda [ 1277.060247] [] mount_block_root+0x2fc/0x650 [ 1277.083547] [] ? init_rootfs+0x99/0x99 [ 1277.102854] [] ? security_file_ioctl+0xa5/0xb4 [ 1277.125341] [] ? SyS_mknod+0x2f/0x36 [ 1277.142862] [] mount_root+0x45/0x48 [ 1277.160297] [] prepare_namespace+0x1cf/0x235 [ 1277.183411] [] kernel_init_freeable+0x4fa/0x518 [ 1277.207380] [] kernel_init+0x16/0x181 [ 1277.227836] [] ret_from_fork+0x1f/0x40 [ 1277.243070] [] ? rest_init+0x8f/0x8f [ 1277.266681] ================================================================================ [ 1277.299980] ================================================================================ [ 1277.332639] UBSAN: Undefined behaviour in fs/block_dev.c:154:16 [ 1277.354076] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1277.389659] which requires 64 byte alignment [ 1277.402767] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1277.423433] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1277.456034] 00000000ffffffff 00000000b1a89c60 ffff88005c9df748 ffffffffb26ec5cc [ 1277.485438] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1277.516977] 0000000000000010 ffff88005c9df770 ffff88005c9df720 ffffffffb363c3e0 [ 1277.540756] Call Trace: [ 1277.552084] [] dump_stack+0xd7/0x132 [ 1277.569745] [] ? arch_local_irq_restore+0x1b/0x1b [ 1277.589567] [] ubsan_epilogue+0x12/0x53 [ 1277.609799] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1277.636487] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1277.661198] [] sb_min_blocksize+0x35/0x120 [ 1277.683158] [] ext4_fill_super+0x607/0xa2df [ 1277.707979] [] ? console_unlock+0x6a9/0x6b8 [ 1277.737306] [] ? vprintk_emit+0x636/0x647 [ 1277.757396] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1277.784121] [] ? ubsan_epilogue+0x26/0x53 [ 1277.804698] [] ? arch_local_irq_restore+0x6/0xd [ 1277.826108] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1277.851315] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1277.873158] [] ? scnprintf+0xf3/0xf3 [ 1277.892206] [] mount_bdev+0x3cf/0x602 [ 1277.915941] [] ? mount_bdev+0x3cf/0x602 [ 1277.935462] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1277.957421] [] ext4_mount+0x3c/0x3e [ 1277.975014] [] mount_fs+0xd0/0x2ca [ 1277.993506] [] vfs_kern_mount+0xa0/0x20a [ 1278.014942] [] do_mount+0x11fe/0x19df [ 1278.034840] [] ? kasan_kmalloc+0x94/0xa3 [ 1278.055977] [] ? copy_mount_string+0x3d/0x3d [ 1278.076078] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1278.100427] [] ? __check_object_size+0x1e1/0x2b8 [ 1278.121895] [] ? 0xffffffffb1c002b8 [ 1278.137039] [] ? copy_mount_options+0x23d/0x24d [ 1278.158434] [] SyS_mount+0xa3/0xda [ 1278.175487] [] mount_block_root+0x2fc/0x650 [ 1278.193846] [] ? init_rootfs+0x99/0x99 [ 1278.217913] [] ? security_file_ioctl+0xa5/0xb4 [ 1278.239958] [] ? SyS_mknod+0x2f/0x36 [ 1278.259033] [] mount_root+0x45/0x48 [ 1278.277755] [] prepare_namespace+0x1cf/0x235 [ 1278.300610] [] kernel_init_freeable+0x4fa/0x518 [ 1278.320787] [] kernel_init+0x16/0x181 [ 1278.339261] [] ret_from_fork+0x1f/0x40 [ 1278.358385] [] ? rest_init+0x8f/0x8f [ 1278.378012] ================================================================================ [ 1278.410843] ================================================================================ [ 1278.442787] UBSAN: Undefined behaviour in ./include/linux/buffer_head.h:307:42 [ 1278.472624] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1278.508951] which requires 64 byte alignment [ 1278.527735] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1278.553860] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1278.591293] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1278.622051] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1278.661762] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1278.695236] Call Trace: [ 1278.707091] [] dump_stack+0xd7/0x132 [ 1278.728516] [] ? arch_local_irq_restore+0x1b/0x1b [ 1278.756918] [] ubsan_epilogue+0x12/0x53 [ 1278.776139] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1278.800163] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1278.825832] [] ? sb_set_blocksize+0xf0/0xfc [ 1278.843888] [] ext4_fill_super+0x6e5/0xa2df [ 1278.863409] [] ? console_unlock+0x6a9/0x6b8 [ 1278.886616] [] ? vprintk_emit+0x636/0x647 [ 1278.910886] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1278.935189] [] ? ubsan_epilogue+0x26/0x53 [ 1278.955078] [] ? arch_local_irq_restore+0x6/0xd [ 1278.976348] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1279.002876] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1279.028268] [] ? scnprintf+0xf3/0xf3 [ 1279.053606] [] mount_bdev+0x3cf/0x602 [ 1279.075685] [] ? mount_bdev+0x3cf/0x602 [ 1279.104631] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1279.132100] [] ext4_mount+0x3c/0x3e [ 1279.156758] [] mount_fs+0xd0/0x2ca [ 1279.177064] [] vfs_kern_mount+0xa0/0x20a [ 1279.205329] [] do_mount+0x11fe/0x19df [ 1279.228549] [] ? kasan_kmalloc+0x94/0xa3 [ 1279.251157] [] ? copy_mount_string+0x3d/0x3d [ 1279.275028] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1279.300836] [] ? __check_object_size+0x1e1/0x2b8 [ 1279.327908] [] ? 0xffffffffb1c002b8 [ 1279.349183] [] ? copy_mount_options+0x23d/0x24d [ 1279.372281] [] SyS_mount+0xa3/0xda [ 1279.388984] [] mount_block_root+0x2fc/0x650 [ 1279.407677] [] ? init_rootfs+0x99/0x99 [ 1279.426891] [] ? security_file_ioctl+0xa5/0xb4 [ 1279.448675] [] ? SyS_mknod+0x2f/0x36 [ 1279.466556] [] mount_root+0x45/0x48 [ 1279.480164] [] prepare_namespace+0x1cf/0x235 [ 1279.498683] [] kernel_init_freeable+0x4fa/0x518 [ 1279.520207] [] kernel_init+0x16/0x181 [ 1279.538060] [] ret_from_fork+0x1f/0x40 [ 1279.555752] [] ? rest_init+0x8f/0x8f [ 1279.576011] ================================================================================ [ 1279.606458] ================================================================================ [ 1279.638382] UBSAN: Undefined behaviour in ./include/linux/buffer_head.h:307:9 [ 1279.676069] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1279.717670] which requires 64 byte alignment [ 1279.735790] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1279.758803] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1279.801498] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1279.834799] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1279.869165] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1279.905279] Call Trace: [ 1279.915623] [] dump_stack+0xd7/0x132 [ 1279.935251] [] ? arch_local_irq_restore+0x1b/0x1b [ 1279.957157] [] ubsan_epilogue+0x12/0x53 [ 1279.975541] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1280.000881] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1280.024245] [] ? sb_set_blocksize+0xf0/0xfc [ 1280.041991] [] ext4_fill_super+0x716/0xa2df [ 1280.060650] [] ? console_unlock+0x6a9/0x6b8 [ 1280.079252] [] ? vprintk_emit+0x636/0x647 [ 1280.100652] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1280.124376] [] ? ubsan_epilogue+0x26/0x53 [ 1280.141211] [] ? arch_local_irq_restore+0x6/0xd [ 1280.159884] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1280.180570] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1280.206974] [] ? scnprintf+0xf3/0xf3 [ 1280.227841] [] mount_bdev+0x3cf/0x602 [ 1280.243137] [] ? mount_bdev+0x3cf/0x602 [ 1280.262572] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1280.287977] [] ext4_mount+0x3c/0x3e [ 1280.306777] [] mount_fs+0xd0/0x2ca [ 1280.322668] [] vfs_kern_mount+0xa0/0x20a [ 1280.340760] [] do_mount+0x11fe/0x19df [ 1280.358695] [] ? kasan_kmalloc+0x94/0xa3 [ 1280.377873] [] ? copy_mount_string+0x3d/0x3d [ 1280.397421] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1280.419041] [] ? __check_object_size+0x1e1/0x2b8 [ 1280.439606] [] ? 0xffffffffb1c002b8 [ 1280.456338] [] ? copy_mount_options+0x23d/0x24d [ 1280.478959] [] SyS_mount+0xa3/0xda [ 1280.501467] [] mount_block_root+0x2fc/0x650 [ 1280.526336] [] ? init_rootfs+0x99/0x99 [ 1280.554851] [] ? security_file_ioctl+0xa5/0xb4 [ 1280.579399] [] ? SyS_mknod+0x2f/0x36 [ 1280.611413] [] mount_root+0x45/0x48 [ 1280.636744] [] prepare_namespace+0x1cf/0x235 [ 1280.668388] [] kernel_init_freeable+0x4fa/0x518 [ 1280.705285] [] kernel_init+0x16/0x181 [ 1280.723980] [] ret_from_fork+0x1f/0x40 [ 1280.739068] [] ? rest_init+0x8f/0x8f [ 1280.755324] ================================================================================ [ 1280.793174] ================================================================================ [ 1280.824124] UBSAN: Undefined behaviour in fs/ext4/super.c:3354:14 [ 1280.842726] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1280.875255] which requires 64 byte alignment [ 1280.889626] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1280.906643] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1280.940970] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1280.969855] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1281.000054] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1281.036921] Call Trace: [ 1281.045711] [] dump_stack+0xd7/0x132 [ 1281.070968] [] ? arch_local_irq_restore+0x1b/0x1b [ 1281.099735] [] ubsan_epilogue+0x12/0x53 [ 1281.126606] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1281.158962] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1281.192450] [] ext4_fill_super+0x826/0xa2df [ 1281.219136] [] ? console_unlock+0x6a9/0x6b8 [ 1281.245107] [] ? vprintk_emit+0x636/0x647 [ 1281.272689] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1281.300957] [] ? ubsan_epilogue+0x26/0x53 [ 1281.325123] [] ? arch_local_irq_restore+0x6/0xd [ 1281.354581] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1281.388392] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1281.420557] [] ? scnprintf+0xf3/0xf3 [ 1281.441302] [] mount_bdev+0x3cf/0x602 [ 1281.464982] [] ? mount_bdev+0x3cf/0x602 [ 1281.482587] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1281.508747] [] ext4_mount+0x3c/0x3e [ 1281.526916] [] mount_fs+0xd0/0x2ca [ 1281.542518] [] vfs_kern_mount+0xa0/0x20a [ 1281.559902] [] do_mount+0x11fe/0x19df [ 1281.577205] [] ? kasan_kmalloc+0x94/0xa3 [ 1281.596463] [] ? copy_mount_string+0x3d/0x3d [ 1281.617848] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1281.635316] [] ? __check_object_size+0x1e1/0x2b8 [ 1281.657356] [] ? 0xffffffffb1c002b8 [ 1281.676250] [] ? copy_mount_options+0x23d/0x24d [ 1281.694960] [] SyS_mount+0xa3/0xda [ 1281.716332] [] mount_block_root+0x2fc/0x650 [ 1281.740980] [] ? init_rootfs+0x99/0x99 [ 1281.761340] [] ? security_file_ioctl+0xa5/0xb4 [ 1281.786637] [] ? SyS_mknod+0x2f/0x36 [ 1281.808135] [] mount_root+0x45/0x48 [ 1281.828497] [] prepare_namespace+0x1cf/0x235 [ 1281.850806] [] kernel_init_freeable+0x4fa/0x518 [ 1281.875466] [] kernel_init+0x16/0x181 [ 1281.898535] [] ret_from_fork+0x1f/0x40 [ 1281.919456] [] ? rest_init+0x8f/0x8f [ 1281.940210] ================================================================================ [ 1281.967337] ================================================================================ [ 1281.994565] UBSAN: Undefined behaviour in fs/ext4/super.c:3355:8 [ 1282.018234] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1282.048921] which requires 64 byte alignment [ 1282.067093] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1282.085472] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1282.114331] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1282.137708] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1282.163207] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1282.192488] Call Trace: [ 1282.201399] [] dump_stack+0xd7/0x132 [ 1282.219847] [] ? arch_local_irq_restore+0x1b/0x1b [ 1282.239604] [] ubsan_epilogue+0x12/0x53 [ 1282.258228] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1282.281327] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1282.307684] [] ext4_fill_super+0x84d/0xa2df [ 1282.327993] [] ? console_unlock+0x6a9/0x6b8 [ 1282.349823] [] ? vprintk_emit+0x636/0x647 [ 1282.370771] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1282.391473] [] ? ubsan_epilogue+0x26/0x53 [ 1282.412013] [] ? arch_local_irq_restore+0x6/0xd [ 1282.432526] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1282.456602] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1282.478411] [] ? scnprintf+0xf3/0xf3 [ 1282.501887] [] mount_bdev+0x3cf/0x602 [ 1282.520423] [] ? mount_bdev+0x3cf/0x602 [ 1282.539477] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1282.560206] [] ext4_mount+0x3c/0x3e [ 1282.576821] [] mount_fs+0xd0/0x2ca [ 1282.592967] [] vfs_kern_mount+0xa0/0x20a [ 1282.613197] [] do_mount+0x11fe/0x19df [ 1282.629862] [] ? kasan_kmalloc+0x94/0xa3 [ 1282.650075] [] ? copy_mount_string+0x3d/0x3d [ 1282.671154] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1282.687931] [] ? __check_object_size+0x1e1/0x2b8 [ 1282.710101] [] ? 0xffffffffb1c002b8 [ 1282.736656] [] ? copy_mount_options+0x23d/0x24d [ 1282.767709] [] SyS_mount+0xa3/0xda [ 1282.781838] [] mount_block_root+0x2fc/0x650 [ 1282.804657] [] ? init_rootfs+0x99/0x99 [ 1282.824256] [] ? security_file_ioctl+0xa5/0xb4 [ 1282.844942] [] ? SyS_mknod+0x2f/0x36 [ 1282.861115] [] mount_root+0x45/0x48 [ 1282.884495] [] prepare_namespace+0x1cf/0x235 [ 1282.902436] [] kernel_init_freeable+0x4fa/0x518 [ 1282.924405] [] kernel_init+0x16/0x181 [ 1282.941246] [] ret_from_fork+0x1f/0x40 [ 1282.961583] [] ? rest_init+0x8f/0x8f [ 1282.979924] ================================================================================ [ 1283.012501] ================================================================================ [ 1283.043245] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1283.063354] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1283.094434] which requires 64 byte alignment [ 1283.108457] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1283.134463] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1283.164305] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1283.192291] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1283.219342] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1283.244002] Call Trace: [ 1283.251970] [] dump_stack+0xd7/0x132 [ 1283.265910] [] ? arch_local_irq_restore+0x1b/0x1b [ 1283.290514] [] ubsan_epilogue+0x12/0x53 [ 1283.309323] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1283.329492] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1283.352870] [] ext4_fill_super+0x8d3/0xa2df [ 1283.371988] [] ? console_unlock+0x6a9/0x6b8 [ 1283.392976] [] ? vprintk_emit+0x636/0x647 [ 1283.411003] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1283.431514] [] ? ubsan_epilogue+0x26/0x53 [ 1283.452724] [] ? arch_local_irq_restore+0x6/0xd [ 1283.472168] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1283.495350] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1283.517973] [] ? scnprintf+0xf3/0xf3 [ 1283.535434] [] mount_bdev+0x3cf/0x602 [ 1283.553172] [] ? mount_bdev+0x3cf/0x602 [ 1283.571229] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1283.591000] [] ext4_mount+0x3c/0x3e [ 1283.609345] [] mount_fs+0xd0/0x2ca [ 1283.625287] [] vfs_kern_mount+0xa0/0x20a [ 1283.646473] [] do_mount+0x11fe/0x19df [ 1283.664824] [] ? kasan_kmalloc+0x94/0xa3 [ 1283.682519] [] ? copy_mount_string+0x3d/0x3d [ 1283.709418] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1283.729967] [] ? __check_object_size+0x1e1/0x2b8 [ 1283.748690] [] ? 0xffffffffb1c002b8 [ 1283.765456] [] ? copy_mount_options+0x23d/0x24d [ 1283.788450] [] SyS_mount+0xa3/0xda [ 1283.806120] [] mount_block_root+0x2fc/0x650 [ 1283.825102] [] ? init_rootfs+0x99/0x99 [ 1283.839471] [] ? security_file_ioctl+0xa5/0xb4 [ 1283.860079] [] ? SyS_mknod+0x2f/0x36 [ 1283.878039] [] mount_root+0x45/0x48 [ 1283.898147] [] prepare_namespace+0x1cf/0x235 [ 1283.920989] [] kernel_init_freeable+0x4fa/0x518 [ 1283.940620] [] kernel_init+0x16/0x181 [ 1283.958863] [] ret_from_fork+0x1f/0x40 [ 1283.977161] [] ? rest_init+0x8f/0x8f [ 1283.993427] ================================================================================ [ 1284.021095] ================================================================================ [ 1284.045521] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1284.064286] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1284.097589] which requires 64 byte alignment [ 1284.112943] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1284.132244] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1284.161087] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1284.190862] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1284.215226] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1284.243513] Call Trace: [ 1284.252020] [] dump_stack+0xd7/0x132 [ 1284.270905] [] ? arch_local_irq_restore+0x1b/0x1b [ 1284.293065] [] ubsan_epilogue+0x12/0x53 [ 1284.313197] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1284.338318] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1284.369923] [] ext4_fill_super+0x95f/0xa2df [ 1284.395318] [] ? console_unlock+0x6a9/0x6b8 [ 1284.422978] [] ? vprintk_emit+0x636/0x647 [ 1284.451837] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1284.477679] [] ? ubsan_epilogue+0x26/0x53 [ 1284.507303] [] ? arch_local_irq_restore+0x6/0xd [ 1284.537942] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1284.565799] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1284.595546] [] ? scnprintf+0xf3/0xf3 [ 1284.618028] [] mount_bdev+0x3cf/0x602 [ 1284.641604] [] ? mount_bdev+0x3cf/0x602 [ 1284.666121] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1284.693973] [] ext4_mount+0x3c/0x3e [ 1284.719878] [] mount_fs+0xd0/0x2ca [ 1284.744194] [] vfs_kern_mount+0xa0/0x20a [ 1284.768294] [] do_mount+0x11fe/0x19df [ 1284.789302] [] ? kasan_kmalloc+0x94/0xa3 [ 1284.813812] [] ? copy_mount_string+0x3d/0x3d [ 1284.837118] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1284.859479] [] ? __check_object_size+0x1e1/0x2b8 [ 1284.886908] [] ? 0xffffffffb1c002b8 [ 1284.908423] [] ? copy_mount_options+0x23d/0x24d [ 1284.928041] [] SyS_mount+0xa3/0xda [ 1284.942255] [] mount_block_root+0x2fc/0x650 [ 1284.964637] [] ? init_rootfs+0x99/0x99 [ 1284.982689] [] ? security_file_ioctl+0xa5/0xb4 [ 1285.009869] [] ? SyS_mknod+0x2f/0x36 [ 1285.029756] [] mount_root+0x45/0x48 [ 1285.051609] [] prepare_namespace+0x1cf/0x235 [ 1285.074479] [] kernel_init_freeable+0x4fa/0x518 [ 1285.093804] [] kernel_init+0x16/0x181 [ 1285.112857] [] ret_from_fork+0x1f/0x40 [ 1285.135068] [] ? rest_init+0x8f/0x8f [ 1285.157645] ================================================================================ [ 1285.188045] ================================================================================ [ 1285.222169] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1285.250839] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1285.296740] which requires 64 byte alignment [ 1285.320864] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1285.349071] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1285.398486] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1285.438485] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1285.477977] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1285.526151] Call Trace: [ 1285.540422] [] dump_stack+0xd7/0x132 [ 1285.559704] [] ? arch_local_irq_restore+0x1b/0x1b [ 1285.592328] [] ubsan_epilogue+0x12/0x53 [ 1285.624563] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1285.664715] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1285.705161] [] ext4_fill_super+0x9da/0xa2df [ 1285.727240] [] ? console_unlock+0x6a9/0x6b8 [ 1285.773369] [] ? vprintk_emit+0x636/0x647 [ 1285.804194] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1285.839801] [] ? ubsan_epilogue+0x26/0x53 [ 1285.869180] [] ? arch_local_irq_restore+0x6/0xd [ 1285.901816] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1285.936546] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1285.970457] [] ? scnprintf+0xf3/0xf3 [ 1285.992408] [] mount_bdev+0x3cf/0x602 [ 1286.015454] [] ? mount_bdev+0x3cf/0x602 [ 1286.041643] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1286.068815] [] ext4_mount+0x3c/0x3e [ 1286.091065] [] mount_fs+0xd0/0x2ca [ 1286.109581] [] vfs_kern_mount+0xa0/0x20a [ 1286.132423] [] do_mount+0x11fe/0x19df [ 1286.154427] [] ? kasan_kmalloc+0x94/0xa3 [ 1286.172520] [] ? copy_mount_string+0x3d/0x3d [ 1286.195106] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1286.215033] [] ? __check_object_size+0x1e1/0x2b8 [ 1286.239466] [] ? 0xffffffffb1c002b8 [ 1286.258212] [] ? copy_mount_options+0x23d/0x24d [ 1286.279732] [] SyS_mount+0xa3/0xda [ 1286.298623] [] mount_block_root+0x2fc/0x650 [ 1286.321702] [] ? init_rootfs+0x99/0x99 [ 1286.342218] [] ? security_file_ioctl+0xa5/0xb4 [ 1286.361779] [] ? SyS_mknod+0x2f/0x36 [ 1286.377210] [] mount_root+0x45/0x48 [ 1286.396112] [] prepare_namespace+0x1cf/0x235 [ 1286.415872] [] kernel_init_freeable+0x4fa/0x518 [ 1286.438274] [] kernel_init+0x16/0x181 [ 1286.457960] [] ret_from_fork+0x1f/0x40 [ 1286.476588] [] ? rest_init+0x8f/0x8f [ 1286.496908] ================================================================================ [ 1286.526480] ================================================================================ [ 1286.556919] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1286.574499] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1286.607147] which requires 64 byte alignment [ 1286.621502] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1286.643789] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1286.675991] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1286.703985] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1286.731642] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1286.762413] Call Trace: [ 1286.772361] [] dump_stack+0xd7/0x132 [ 1286.789959] [] ? arch_local_irq_restore+0x1b/0x1b [ 1286.814820] [] ubsan_epilogue+0x12/0x53 [ 1286.836099] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1286.859162] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1286.881511] [] ext4_fill_super+0xaad/0xa2df [ 1286.909504] [] ? console_unlock+0x6a9/0x6b8 [ 1286.964681] [] ? vprintk_emit+0x636/0x647 [ 1287.005177] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1287.025101] [] ? ubsan_epilogue+0x26/0x53 [ 1287.041893] [] ? arch_local_irq_restore+0x6/0xd [ 1287.062894] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1287.087195] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1287.111383] [] ? scnprintf+0xf3/0xf3 [ 1287.127008] [] mount_bdev+0x3cf/0x602 [ 1287.156332] [] ? mount_bdev+0x3cf/0x602 [ 1287.177041] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1287.205453] [] ext4_mount+0x3c/0x3e [ 1287.222386] [] mount_fs+0xd0/0x2ca [ 1287.240219] [] vfs_kern_mount+0xa0/0x20a [ 1287.256011] [] do_mount+0x11fe/0x19df [ 1287.276548] [] ? kasan_kmalloc+0x94/0xa3 [ 1287.295180] [] ? copy_mount_string+0x3d/0x3d [ 1287.312815] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1287.338608] [] ? __check_object_size+0x1e1/0x2b8 [ 1287.357891] [] ? 0xffffffffb1c002b8 [ 1287.376413] [] ? copy_mount_options+0x23d/0x24d [ 1287.397696] [] SyS_mount+0xa3/0xda [ 1287.416672] [] mount_block_root+0x2fc/0x650 [ 1287.436989] [] ? init_rootfs+0x99/0x99 [ 1287.466045] [] ? security_file_ioctl+0xa5/0xb4 [ 1287.487918] [] ? SyS_mknod+0x2f/0x36 [ 1287.509027] [] mount_root+0x45/0x48 [ 1287.525382] [] prepare_namespace+0x1cf/0x235 [ 1287.546949] [] kernel_init_freeable+0x4fa/0x518 [ 1287.565776] [] kernel_init+0x16/0x181 [ 1287.585702] [] ret_from_fork+0x1f/0x40 [ 1287.609461] [] ? rest_init+0x8f/0x8f [ 1287.628761] ================================================================================ [ 1287.666877] ================================================================================ [ 1287.696101] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1287.718959] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1287.747985] which requires 64 byte alignment [ 1287.772409] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1287.793413] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1287.827628] 00000000ffffffff 00000000b1a89c60 ffff88005c9df748 ffffffffb26ec5cc [ 1287.855759] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1287.880483] ffff880000000010 ffff88005c9df770 ffff88005c9df720 ffffffffb363c3e0 [ 1287.912488] Call Trace: [ 1287.925119] [] dump_stack+0xd7/0x132 [ 1287.943915] [] ? arch_local_irq_restore+0x1b/0x1b [ 1287.965475] [] ubsan_epilogue+0x12/0x53 [ 1287.983157] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1288.009881] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1288.035926] [] ? crypto_alloc_tfm+0xb8/0xc9 [ 1288.056250] [] ext4_has_metadata_csum+0x2c/0x1a0 [ 1288.077656] [] ext4_fill_super+0xbdd/0xa2df [ 1288.094983] [] ? console_unlock+0x6a9/0x6b8 [ 1288.113283] [] ? vprintk_emit+0x636/0x647 [ 1288.131567] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1288.154474] [] ? ubsan_epilogue+0x26/0x53 [ 1288.174500] [] ? arch_local_irq_restore+0x6/0xd [ 1288.192171] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1288.217496] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1288.244300] [] ? scnprintf+0xf3/0xf3 [ 1288.261972] [] mount_bdev+0x3cf/0x602 [ 1288.278103] [] ? mount_bdev+0x3cf/0x602 [ 1288.297582] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1288.318595] [] ext4_mount+0x3c/0x3e [ 1288.340572] [] mount_fs+0xd0/0x2ca [ 1288.355367] [] vfs_kern_mount+0xa0/0x20a [ 1288.373483] [] do_mount+0x11fe/0x19df [ 1288.393477] [] ? kasan_kmalloc+0x94/0xa3 [ 1288.407945] [] ? copy_mount_string+0x3d/0x3d [ 1288.429470] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1288.453546] [] ? __check_object_size+0x1e1/0x2b8 [ 1288.477388] [] ? 0xffffffffb1c002b8 [ 1288.496845] [] ? copy_mount_options+0x23d/0x24d [ 1288.516459] [] SyS_mount+0xa3/0xda [ 1288.532209] [] mount_block_root+0x2fc/0x650 [ 1288.554640] [] ? init_rootfs+0x99/0x99 [ 1288.575591] [] ? security_file_ioctl+0xa5/0xb4 [ 1288.608948] [] ? SyS_mknod+0x2f/0x36 [ 1288.627361] [] mount_root+0x45/0x48 [ 1288.646811] [] prepare_namespace+0x1cf/0x235 [ 1288.665943] [] kernel_init_freeable+0x4fa/0x518 [ 1288.688508] [] kernel_init+0x16/0x181 [ 1288.706565] [] ret_from_fork+0x1f/0x40 [ 1288.732516] [] ? rest_init+0x8f/0x8f [ 1288.749601] ================================================================================ [ 1288.779537] ================================================================================ [ 1288.807595] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1288.825682] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1288.858025] which requires 64 byte alignment [ 1288.873795] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1288.893980] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1288.923863] 00000000ffffffff 00000000b1a89c60 ffff88005c9df748 ffffffffb26ec5cc [ 1288.948237] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1288.977863] ffffffff00000010 ffff88005c9df770 ffff88005c9df720 ffffffffb363c3e0 [ 1288.999841] Call Trace: [ 1289.007073] [] dump_stack+0xd7/0x132 [ 1289.027082] [] ? arch_local_irq_restore+0x1b/0x1b [ 1289.049091] [] ubsan_epilogue+0x12/0x53 [ 1289.069730] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1289.092993] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1289.113963] [] ? crypto_alloc_tfm+0xb8/0xc9 [ 1289.137569] [] ext4_has_metadata_csum+0xb7/0x1a0 [ 1289.159923] [] ext4_fill_super+0xbdd/0xa2df [ 1289.181569] [] ? console_unlock+0x6a9/0x6b8 [ 1289.207636] [] ? vprintk_emit+0x636/0x647 [ 1289.224562] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1289.249003] [] ? ubsan_epilogue+0x26/0x53 [ 1289.267062] [] ? arch_local_irq_restore+0x6/0xd [ 1289.290765] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1289.313926] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1289.340835] [] ? scnprintf+0xf3/0xf3 [ 1289.358040] [] mount_bdev+0x3cf/0x602 [ 1289.375421] [] ? mount_bdev+0x3cf/0x602 [ 1289.396556] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1289.416680] [] ext4_mount+0x3c/0x3e [ 1289.432735] [] mount_fs+0xd0/0x2ca [ 1289.449101] [] vfs_kern_mount+0xa0/0x20a [ 1289.469012] [] do_mount+0x11fe/0x19df [ 1289.489873] [] ? kasan_kmalloc+0x94/0xa3 [ 1289.506494] [] ? copy_mount_string+0x3d/0x3d [ 1289.528763] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1289.550825] [] ? __check_object_size+0x1e1/0x2b8 [ 1289.572916] [] ? 0xffffffffb1c002b8 [ 1289.589213] [] ? copy_mount_options+0x23d/0x24d [ 1289.609836] [] SyS_mount+0xa3/0xda [ 1289.626238] [] mount_block_root+0x2fc/0x650 [ 1289.645906] [] ? init_rootfs+0x99/0x99 [ 1289.662623] [] ? security_file_ioctl+0xa5/0xb4 [ 1289.683686] [] ? SyS_mknod+0x2f/0x36 [ 1289.702031] [] mount_root+0x45/0x48 [ 1289.721809] [] prepare_namespace+0x1cf/0x235 [ 1289.743629] [] kernel_init_freeable+0x4fa/0x518 [ 1289.763504] [] kernel_init+0x16/0x181 [ 1289.782169] [] ret_from_fork+0x1f/0x40 [ 1289.800374] [] ? rest_init+0x8f/0x8f [ 1289.817661] ================================================================================ [ 1289.845741] ================================================================================ [ 1289.872989] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1289.894790] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1289.922567] which requires 64 byte alignment [ 1289.937873] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1289.956201] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1289.988815] 00000000ffffffff 00000000b1a89c60 ffff88005c9df748 ffffffffb26ec5cc [ 1290.014084] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1290.039687] ffffffff00000010 ffff88005c9df770 ffff88005c9df720 ffffffffb363c3e0 [ 1290.064865] Call Trace: [ 1290.072857] [] dump_stack+0xd7/0x132 [ 1290.090717] [] ? arch_local_irq_restore+0x1b/0x1b [ 1290.108897] [] ubsan_epilogue+0x12/0x53 [ 1290.126778] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1290.149037] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1290.174482] [] ? crypto_alloc_tfm+0xb8/0xc9 [ 1290.193711] [] ext4_has_metadata_csum+0x156/0x1a0 [ 1290.214632] [] ext4_fill_super+0xbdd/0xa2df [ 1290.233785] [] ? console_unlock+0x6a9/0x6b8 [ 1290.254240] [] ? vprintk_emit+0x636/0x647 [ 1290.273549] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1290.295355] [] ? ubsan_epilogue+0x26/0x53 [ 1290.314102] [] ? arch_local_irq_restore+0x6/0xd [ 1290.334801] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1290.357089] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1290.380294] [] ? scnprintf+0xf3/0xf3 [ 1290.398692] [] mount_bdev+0x3cf/0x602 [ 1290.415744] [] ? mount_bdev+0x3cf/0x602 [ 1290.432157] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1290.454436] [] ext4_mount+0x3c/0x3e [ 1290.470314] [] mount_fs+0xd0/0x2ca [ 1290.489631] [] vfs_kern_mount+0xa0/0x20a [ 1290.506313] [] do_mount+0x11fe/0x19df [ 1290.527587] [] ? kasan_kmalloc+0x94/0xa3 [ 1290.547275] [] ? copy_mount_string+0x3d/0x3d [ 1290.567041] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1290.592553] [] ? __check_object_size+0x1e1/0x2b8 [ 1290.611676] [] ? 0xffffffffb1c002b8 [ 1290.627088] [] ? copy_mount_options+0x23d/0x24d [ 1290.650170] [] SyS_mount+0xa3/0xda [ 1290.667419] [] mount_block_root+0x2fc/0x650 [ 1290.686811] [] ? init_rootfs+0x99/0x99 [ 1290.706937] [] ? security_file_ioctl+0xa5/0xb4 [ 1290.726021] [] ? SyS_mknod+0x2f/0x36 [ 1290.748915] [] mount_root+0x45/0x48 [ 1290.764792] [] prepare_namespace+0x1cf/0x235 [ 1290.785004] [] kernel_init_freeable+0x4fa/0x518 [ 1290.805892] [] kernel_init+0x16/0x181 [ 1290.824454] [] ret_from_fork+0x1f/0x40 [ 1290.847162] [] ? rest_init+0x8f/0x8f [ 1290.865157] ================================================================================ [ 1290.895010] ================================================================================ [ 1290.922860] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1290.941968] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1290.972726] which requires 64 byte alignment [ 1290.986517] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1291.007134] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1291.040696] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1291.066603] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1291.092211] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1291.116472] Call Trace: [ 1291.123725] [] dump_stack+0xd7/0x132 [ 1291.141167] [] ? arch_local_irq_restore+0x1b/0x1b [ 1291.160559] [] ubsan_epilogue+0x12/0x53 [ 1291.179090] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1291.199318] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1291.223203] [] ext4_fill_super+0xc31/0xa2df [ 1291.243454] [] ? console_unlock+0x6a9/0x6b8 [ 1291.263305] [] ? vprintk_emit+0x636/0x647 [ 1291.283613] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1291.308727] [] ? ubsan_epilogue+0x26/0x53 [ 1291.329628] [] ? arch_local_irq_restore+0x6/0xd [ 1291.357279] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1291.378930] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1291.404726] [] ? scnprintf+0xf3/0xf3 [ 1291.422969] [] mount_bdev+0x3cf/0x602 [ 1291.442102] [] ? mount_bdev+0x3cf/0x602 [ 1291.462824] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1291.484195] [] ext4_mount+0x3c/0x3e [ 1291.512654] [] mount_fs+0xd0/0x2ca [ 1291.531786] [] vfs_kern_mount+0xa0/0x20a [ 1291.551242] [] do_mount+0x11fe/0x19df [ 1291.567497] [] ? kasan_kmalloc+0x94/0xa3 [ 1291.589908] [] ? copy_mount_string+0x3d/0x3d [ 1291.607657] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1291.627880] [] ? __check_object_size+0x1e1/0x2b8 [ 1291.646904] [] ? 0xffffffffb1c002b8 [ 1291.665392] [] ? copy_mount_options+0x23d/0x24d [ 1291.683732] [] SyS_mount+0xa3/0xda [ 1291.703752] [] mount_block_root+0x2fc/0x650 [ 1291.723007] [] ? init_rootfs+0x99/0x99 [ 1291.742221] [] ? security_file_ioctl+0xa5/0xb4 [ 1291.775845] [] ? SyS_mknod+0x2f/0x36 [ 1291.795588] [] mount_root+0x45/0x48 [ 1291.811868] [] prepare_namespace+0x1cf/0x235 [ 1291.832759] [] kernel_init_freeable+0x4fa/0x518 [ 1291.856857] [] kernel_init+0x16/0x181 [ 1291.877029] [] ret_from_fork+0x1f/0x40 [ 1291.894547] [] ? rest_init+0x8f/0x8f [ 1291.912334] ================================================================================ [ 1291.940831] ================================================================================ [ 1291.979937] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1292.002280] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1292.042580] which requires 64 byte alignment [ 1292.055024] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1292.074513] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1292.106194] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1292.131163] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1292.160340] ffff880000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1292.193570] Call Trace: [ 1292.199164] [] dump_stack+0xd7/0x132 [ 1292.214831] [] ? arch_local_irq_restore+0x1b/0x1b [ 1292.236333] [] ubsan_epilogue+0x12/0x53 [ 1292.257489] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1292.282024] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1292.304506] [] ext4_fill_super+0xca6/0xa2df [ 1292.324913] [] ? console_unlock+0x6a9/0x6b8 [ 1292.344422] [] ? vprintk_emit+0x636/0x647 [ 1292.362101] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1292.387736] [] ? ubsan_epilogue+0x26/0x53 [ 1292.408927] [] ? arch_local_irq_restore+0x6/0xd [ 1292.430364] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1292.459012] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1292.482512] [] ? scnprintf+0xf3/0xf3 [ 1292.513196] [] mount_bdev+0x3cf/0x602 [ 1292.527548] [] ? mount_bdev+0x3cf/0x602 [ 1292.623911] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1292.645472] [] ext4_mount+0x3c/0x3e [ 1292.661141] [] mount_fs+0xd0/0x2ca [ 1292.678170] [] vfs_kern_mount+0xa0/0x20a [ 1292.697918] [] do_mount+0x11fe/0x19df [ 1292.714165] [] ? kasan_kmalloc+0x94/0xa3 [ 1292.730603] [] ? copy_mount_string+0x3d/0x3d [ 1292.751300] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1292.775528] [] ? __check_object_size+0x1e1/0x2b8 [ 1292.797450] [] ? 0xffffffffb1c002b8 [ 1292.812088] [] ? copy_mount_options+0x23d/0x24d [ 1292.834809] [] SyS_mount+0xa3/0xda [ 1292.852035] [] mount_block_root+0x2fc/0x650 [ 1292.873891] [] ? init_rootfs+0x99/0x99 [ 1292.892213] [] ? security_file_ioctl+0xa5/0xb4 [ 1292.915474] [] ? SyS_mknod+0x2f/0x36 [ 1292.936144] [] mount_root+0x45/0x48 [ 1292.951514] [] prepare_namespace+0x1cf/0x235 [ 1292.969457] [] kernel_init_freeable+0x4fa/0x518 [ 1292.990659] [] kernel_init+0x16/0x181 [ 1293.007018] [] ret_from_fork+0x1f/0x40 [ 1293.025131] [] ? rest_init+0x8f/0x8f [ 1293.042750] ================================================================================ [ 1293.071078] ================================================================================ [ 1293.097446] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1293.116978] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1293.147068] which requires 64 byte alignment [ 1293.164323] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1293.182813] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1293.216819] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1293.242637] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1293.267762] ffff880000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1293.296237] Call Trace: [ 1293.303842] [] dump_stack+0xd7/0x132 [ 1293.325581] [] ? arch_local_irq_restore+0x1b/0x1b [ 1293.346638] [] ubsan_epilogue+0x12/0x53 [ 1293.365261] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1293.386824] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1293.413883] [] ext4_fill_super+0xdfb/0xa2df [ 1293.443387] [] ? console_unlock+0x6a9/0x6b8 [ 1293.490078] [] ? vprintk_emit+0x636/0x647 [ 1293.527933] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1293.580364] [] ? ubsan_epilogue+0x26/0x53 [ 1293.617847] [] ? arch_local_irq_restore+0x6/0xd [ 1293.655982] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1293.704424] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1293.926452] [] ? scnprintf+0xf3/0xf3 [ 1293.946104] [] mount_bdev+0x3cf/0x602 [ 1293.965176] [] ? mount_bdev+0x3cf/0x602 [ 1293.984723] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1294.010685] [] ext4_mount+0x3c/0x3e [ 1294.030925] [] mount_fs+0xd0/0x2ca [ 1294.049966] [] vfs_kern_mount+0xa0/0x20a [ 1294.069063] [] do_mount+0x11fe/0x19df [ 1294.086340] [] ? kasan_kmalloc+0x94/0xa3 [ 1294.106468] [] ? copy_mount_string+0x3d/0x3d [ 1294.127227] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1294.147591] [] ? __check_object_size+0x1e1/0x2b8 [ 1294.168400] [] ? 0xffffffffb1c002b8 [ 1294.184891] [] ? copy_mount_options+0x23d/0x24d [ 1294.203174] [] SyS_mount+0xa3/0xda [ 1294.218566] [] mount_block_root+0x2fc/0x650 [ 1294.236880] [] ? init_rootfs+0x99/0x99 [ 1294.252363] [] ? security_file_ioctl+0xa5/0xb4 [ 1294.273283] [] ? SyS_mknod+0x2f/0x36 [ 1294.291183] [] mount_root+0x45/0x48 [ 1294.306410] [] prepare_namespace+0x1cf/0x235 [ 1294.324212] [] kernel_init_freeable+0x4fa/0x518 [ 1294.343576] [] kernel_init+0x16/0x181 [ 1294.360608] [] ret_from_fork+0x1f/0x40 [ 1294.379511] [] ? rest_init+0x8f/0x8f [ 1294.395778] ================================================================================ [ 1294.422400] ================================================================================ [ 1294.448198] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1294.467863] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1294.500317] which requires 64 byte alignment [ 1294.517687] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1294.541437] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1294.573553] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1294.600787] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1294.628042] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1294.668887] Call Trace: [ 1294.681338] [] dump_stack+0xd7/0x132 [ 1294.702924] [] ? arch_local_irq_restore+0x1b/0x1b [ 1294.740772] [] ubsan_epilogue+0x12/0x53 [ 1294.774842] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1294.810755] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1294.843357] [] ext4_fill_super+0xff3/0xa2df [ 1294.869711] [] ? console_unlock+0x6a9/0x6b8 [ 1294.894716] [] ? vprintk_emit+0x636/0x647 [ 1294.912923] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1294.934199] [] ? ubsan_epilogue+0x26/0x53 [ 1294.951302] [] ? arch_local_irq_restore+0x6/0xd [ 1294.971218] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1294.994493] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1295.017860] [] ? scnprintf+0xf3/0xf3 [ 1295.032548] [] mount_bdev+0x3cf/0x602 [ 1295.049005] [] ? mount_bdev+0x3cf/0x602 [ 1295.067312] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1295.086793] [] ext4_mount+0x3c/0x3e [ 1295.105146] [] mount_fs+0xd0/0x2ca [ 1295.123361] [] vfs_kern_mount+0xa0/0x20a [ 1295.142651] [] do_mount+0x11fe/0x19df [ 1295.161618] [] ? kasan_kmalloc+0x94/0xa3 [ 1295.177634] [] ? copy_mount_string+0x3d/0x3d [ 1295.198766] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1295.219382] [] ? __check_object_size+0x1e1/0x2b8 [ 1295.238982] [] ? 0xffffffffb1c002b8 [ 1295.252648] [] ? copy_mount_options+0x23d/0x24d [ 1295.275490] [] SyS_mount+0xa3/0xda [ 1295.293276] [] mount_block_root+0x2fc/0x650 [ 1295.309313] [] ? init_rootfs+0x99/0x99 [ 1295.325668] [] ? security_file_ioctl+0xa5/0xb4 [ 1295.345206] [] ? SyS_mknod+0x2f/0x36 [ 1295.362577] [] mount_root+0x45/0x48 [ 1295.379812] [] prepare_namespace+0x1cf/0x235 [ 1295.399919] [] kernel_init_freeable+0x4fa/0x518 [ 1295.420281] [] kernel_init+0x16/0x181 [ 1295.436659] [] ret_from_fork+0x1f/0x40 [ 1295.454462] [] ? rest_init+0x8f/0x8f [ 1295.470661] ================================================================================ [ 1295.501435] ================================================================================ [ 1295.532999] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1295.551068] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1295.583181] which requires 64 byte alignment [ 1295.596335] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1295.615694] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1295.657380] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1295.701845] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1295.767453] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1295.803116] Call Trace: [ 1295.810648] [] dump_stack+0xd7/0x132 [ 1295.828411] [] ? arch_local_irq_restore+0x1b/0x1b [ 1295.862189] [] ubsan_epilogue+0x12/0x53 [ 1295.900614] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1295.966860] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1296.025406] [] ext4_fill_super+0x105f/0xa2df [ 1296.081910] [] ? console_unlock+0x6a9/0x6b8 [ 1296.134397] [] ? vprintk_emit+0x636/0x647 [ 1296.167930] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1296.194243] [] ? ubsan_epilogue+0x26/0x53 [ 1296.217204] [] ? arch_local_irq_restore+0x6/0xd [ 1296.242936] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1296.266665] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1296.292612] [] ? scnprintf+0xf3/0xf3 [ 1296.311656] [] mount_bdev+0x3cf/0x602 [ 1296.328868] [] ? mount_bdev+0x3cf/0x602 [ 1296.351655] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1296.375935] [] ext4_mount+0x3c/0x3e [ 1296.393605] [] mount_fs+0xd0/0x2ca [ 1296.408603] [] vfs_kern_mount+0xa0/0x20a [ 1296.428510] [] do_mount+0x11fe/0x19df [ 1296.447271] [] ? kasan_kmalloc+0x94/0xa3 [ 1296.466651] [] ? copy_mount_string+0x3d/0x3d [ 1296.486812] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1296.511817] [] ? __check_object_size+0x1e1/0x2b8 [ 1296.534407] [] ? 0xffffffffb1c002b8 [ 1296.552603] [] ? copy_mount_options+0x23d/0x24d [ 1296.575537] [] SyS_mount+0xa3/0xda [ 1296.593535] [] mount_block_root+0x2fc/0x650 [ 1296.609818] [] ? init_rootfs+0x99/0x99 [ 1296.629867] [] ? security_file_ioctl+0xa5/0xb4 [ 1296.649413] [] ? SyS_mknod+0x2f/0x36 [ 1296.667100] [] mount_root+0x45/0x48 [ 1296.685195] [] prepare_namespace+0x1cf/0x235 [ 1296.709807] [] kernel_init_freeable+0x4fa/0x518 [ 1296.733840] [] kernel_init+0x16/0x181 [ 1296.753636] [] ret_from_fork+0x1f/0x40 [ 1296.778811] [] ? rest_init+0x8f/0x8f [ 1296.802429] ================================================================================ [ 1296.837514] ================================================================================ [ 1296.870308] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1296.899264] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1296.933221] which requires 64 byte alignment [ 1296.949198] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1296.972335] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1297.007474] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1297.034637] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1297.065746] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1297.093077] Call Trace: [ 1297.101785] [] dump_stack+0xd7/0x132 [ 1297.128450] [] ? arch_local_irq_restore+0x1b/0x1b [ 1297.148926] [] ubsan_epilogue+0x12/0x53 [ 1297.169728] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1297.197328] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1297.222424] [] ext4_fill_super+0x10e0/0xa2df [ 1297.244936] [] ? console_unlock+0x6a9/0x6b8 [ 1297.267735] [] ? vprintk_emit+0x636/0x647 [ 1297.287948] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1297.312452] [] ? ubsan_epilogue+0x26/0x53 [ 1297.329886] [] ? arch_local_irq_restore+0x6/0xd [ 1297.352095] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1297.380148] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1297.412688] [] ? scnprintf+0xf3/0xf3 [ 1297.443086] [] mount_bdev+0x3cf/0x602 [ 1297.462310] [] ? mount_bdev+0x3cf/0x602 [ 1297.479890] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1297.506026] [] ext4_mount+0x3c/0x3e [ 1297.524428] [] mount_fs+0xd0/0x2ca [ 1297.544209] [] vfs_kern_mount+0xa0/0x20a [ 1297.564722] [] do_mount+0x11fe/0x19df [ 1297.584385] [] ? kasan_kmalloc+0x94/0xa3 [ 1297.608321] [] ? copy_mount_string+0x3d/0x3d [ 1297.631568] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1297.653831] [] ? __check_object_size+0x1e1/0x2b8 [ 1297.680797] [] ? 0xffffffffb1c002b8 [ 1297.699448] [] ? copy_mount_options+0x23d/0x24d [ 1297.721726] [] SyS_mount+0xa3/0xda [ 1297.742849] [] mount_block_root+0x2fc/0x650 [ 1297.765716] [] ? init_rootfs+0x99/0x99 [ 1297.784643] [] ? security_file_ioctl+0xa5/0xb4 [ 1297.809672] [] ? SyS_mknod+0x2f/0x36 [ 1297.826248] [] mount_root+0x45/0x48 [ 1297.842490] [] prepare_namespace+0x1cf/0x235 [ 1297.864033] [] kernel_init_freeable+0x4fa/0x518 [ 1297.883460] [] kernel_init+0x16/0x181 [ 1297.901681] [] ret_from_fork+0x1f/0x40 [ 1297.919635] [] ? rest_init+0x8f/0x8f [ 1297.939543] ================================================================================ [ 1297.967860] ================================================================================ [ 1297.996868] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1298.016425] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1298.044862] which requires 64 byte alignment [ 1298.059588] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1298.079319] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1298.110281] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1298.135938] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1298.166088] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1298.194357] Call Trace: [ 1298.202037] [] dump_stack+0xd7/0x132 [ 1298.223794] [] ? arch_local_irq_restore+0x1b/0x1b [ 1298.247183] [] ubsan_epilogue+0x12/0x53 [ 1298.266887] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1298.293869] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1298.319835] [] ext4_fill_super+0x1436/0xa2df [ 1298.342174] [] ? console_unlock+0x6a9/0x6b8 [ 1298.362691] [] ? vprintk_emit+0x636/0x647 [ 1298.384223] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1298.403775] [] ? ubsan_epilogue+0x26/0x53 [ 1298.425484] [] ? arch_local_irq_restore+0x6/0xd [ 1298.447172] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1298.471871] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1298.500485] [] ? scnprintf+0xf3/0xf3 [ 1298.517476] [] mount_bdev+0x3cf/0x602 [ 1298.535793] [] ? mount_bdev+0x3cf/0x602 [ 1298.554183] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1298.580526] [] ext4_mount+0x3c/0x3e [ 1298.599722] [] mount_fs+0xd0/0x2ca [ 1298.618299] [] vfs_kern_mount+0xa0/0x20a [ 1298.634487] [] do_mount+0x11fe/0x19df [ 1298.653078] [] ? kasan_kmalloc+0x94/0xa3 [ 1298.673020] [] ? copy_mount_string+0x3d/0x3d [ 1298.694302] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1298.715783] [] ? __check_object_size+0x1e1/0x2b8 [ 1298.735721] [] ? 0xffffffffb1c002b8 [ 1298.763278] [] ? copy_mount_options+0x23d/0x24d [ 1298.785632] [] SyS_mount+0xa3/0xda [ 1298.801845] [] mount_block_root+0x2fc/0x650 [ 1298.824937] [] ? init_rootfs+0x99/0x99 [ 1298.845671] [] ? security_file_ioctl+0xa5/0xb4 [ 1298.866151] [] ? SyS_mknod+0x2f/0x36 [ 1298.884967] [] mount_root+0x45/0x48 [ 1298.901018] [] prepare_namespace+0x1cf/0x235 [ 1298.920894] [] kernel_init_freeable+0x4fa/0x518 [ 1298.944439] [] kernel_init+0x16/0x181 [ 1298.963536] [] ret_from_fork+0x1f/0x40 [ 1298.981039] [] ? rest_init+0x8f/0x8f [ 1299.000292] ================================================================================ [ 1299.029475] ================================================================================ [ 1299.061513] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1299.080420] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1299.112375] which requires 64 byte alignment [ 1299.124572] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1299.143659] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1299.178882] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1299.203655] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1299.230298] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1299.256635] Call Trace: [ 1299.265632] [] dump_stack+0xd7/0x132 [ 1299.282653] [] ? arch_local_irq_restore+0x1b/0x1b [ 1299.301847] [] ubsan_epilogue+0x12/0x53 [ 1299.321298] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1299.345754] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1299.370615] [] ext4_fill_super+0x152c/0xa2df [ 1299.391531] [] ? console_unlock+0x6a9/0x6b8 [ 1299.411812] [] ? vprintk_emit+0x636/0x647 [ 1299.432779] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1299.453975] [] ? ubsan_epilogue+0x26/0x53 [ 1299.473519] [] ? arch_local_irq_restore+0x6/0xd [ 1299.496670] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1299.523318] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1299.548648] [] ? scnprintf+0xf3/0xf3 [ 1299.566442] [] mount_bdev+0x3cf/0x602 [ 1299.588381] [] ? mount_bdev+0x3cf/0x602 [ 1299.607855] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1299.630013] [] ext4_mount+0x3c/0x3e [ 1299.648386] [] mount_fs+0xd0/0x2ca [ 1299.668065] [] vfs_kern_mount+0xa0/0x20a [ 1299.685962] [] do_mount+0x11fe/0x19df [ 1299.702827] [] ? kasan_kmalloc+0x94/0xa3 [ 1299.720777] [] ? copy_mount_string+0x3d/0x3d [ 1299.743550] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1299.765924] [] ? __check_object_size+0x1e1/0x2b8 [ 1299.792718] [] ? 0xffffffffb1c002b8 [ 1299.813047] [] ? copy_mount_options+0x23d/0x24d [ 1299.833614] [] SyS_mount+0xa3/0xda [ 1299.849491] [] mount_block_root+0x2fc/0x650 [ 1299.871277] [] ? init_rootfs+0x99/0x99 [ 1299.893080] [] ? security_file_ioctl+0xa5/0xb4 [ 1299.914962] [] ? SyS_mknod+0x2f/0x36 [ 1299.932713] [] mount_root+0x45/0x48 [ 1299.951054] [] prepare_namespace+0x1cf/0x235 [ 1299.974701] [] kernel_init_freeable+0x4fa/0x518 [ 1299.996385] [] kernel_init+0x16/0x181 [ 1300.013290] [] ret_from_fork+0x1f/0x40 [ 1300.028673] [] ? rest_init+0x8f/0x8f [ 1300.047522] ================================================================================ [ 1300.078714] ================================================================================ [ 1300.104605] UBSAN: Undefined behaviour in fs/ext4/super.c:3439:18 [ 1300.125469] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1300.155000] which requires 64 byte alignment [ 1300.171973] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1300.193149] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1300.224962] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1300.250891] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1300.280982] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1300.304230] Call Trace: [ 1300.314204] [] dump_stack+0xd7/0x132 [ 1300.332497] [] ? arch_local_irq_restore+0x1b/0x1b [ 1300.359911] [] ubsan_epilogue+0x12/0x53 [ 1300.382260] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1300.402691] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1300.432526] [] ext4_fill_super+0x165a/0xa2df [ 1300.450559] [] ? console_unlock+0x6a9/0x6b8 [ 1300.470141] [] ? vprintk_emit+0x636/0x647 [ 1300.491911] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1300.517176] [] ? ubsan_epilogue+0x26/0x53 [ 1300.537081] [] ? arch_local_irq_restore+0x6/0xd [ 1300.559832] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1300.586103] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1300.605899] [] ? scnprintf+0xf3/0xf3 [ 1300.627752] [] mount_bdev+0x3cf/0x602 [ 1300.645128] [] ? mount_bdev+0x3cf/0x602 [ 1300.664213] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1300.687562] [] ext4_mount+0x3c/0x3e [ 1300.704246] [] mount_fs+0xd0/0x2ca [ 1300.721261] [] vfs_kern_mount+0xa0/0x20a [ 1300.744687] [] do_mount+0x11fe/0x19df [ 1300.763914] [] ? kasan_kmalloc+0x94/0xa3 [ 1300.783368] [] ? copy_mount_string+0x3d/0x3d [ 1300.805419] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1300.829065] [] ? __check_object_size+0x1e1/0x2b8 [ 1300.848384] [] ? 0xffffffffb1c002b8 [ 1300.866981] [] ? copy_mount_options+0x23d/0x24d [ 1300.886560] [] SyS_mount+0xa3/0xda [ 1300.911877] [] mount_block_root+0x2fc/0x650 [ 1300.930528] [] ? init_rootfs+0x99/0x99 [ 1300.947771] [] ? security_file_ioctl+0xa5/0xb4 [ 1300.967663] [] ? SyS_mknod+0x2f/0x36 [ 1300.986435] [] mount_root+0x45/0x48 [ 1301.003168] [] prepare_namespace+0x1cf/0x235 [ 1301.024190] [] kernel_init_freeable+0x4fa/0x518 [ 1301.045876] [] kernel_init+0x16/0x181 [ 1301.064174] [] ret_from_fork+0x1f/0x40 [ 1301.081023] [] ? rest_init+0x8f/0x8f [ 1301.102484] ================================================================================ [ 1301.134649] ================================================================================ [ 1301.163432] UBSAN: Undefined behaviour in fs/ext4/super.c:3442:18 [ 1301.185610] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1301.216282] which requires 64 byte alignment [ 1301.229948] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1301.249448] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1301.281821] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1301.305362] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1301.332348] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1301.361158] Call Trace: [ 1301.369280] [] dump_stack+0xd7/0x132 [ 1301.387504] [] ? arch_local_irq_restore+0x1b/0x1b [ 1301.414245] [] ubsan_epilogue+0x12/0x53 [ 1301.431914] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1301.455194] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1301.481584] [] ? map_id_down+0x11c/0x12b [ 1301.499161] [] ext4_fill_super+0x1779/0xa2df [ 1301.520166] [] ? console_unlock+0x6a9/0x6b8 [ 1301.539767] [] ? vprintk_emit+0x636/0x647 [ 1301.560231] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1301.583008] [] ? ubsan_epilogue+0x26/0x53 [ 1301.600545] [] ? arch_local_irq_restore+0x6/0xd [ 1301.622022] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1301.647507] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1301.672907] [] ? scnprintf+0xf3/0xf3 [ 1301.695545] [] mount_bdev+0x3cf/0x602 [ 1301.713471] [] ? mount_bdev+0x3cf/0x602 [ 1301.730388] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1301.753145] [] ext4_mount+0x3c/0x3e [ 1301.772452] [] mount_fs+0xd0/0x2ca [ 1301.789792] [] vfs_kern_mount+0xa0/0x20a [ 1301.808713] [] do_mount+0x11fe/0x19df [ 1301.830718] [] ? kasan_kmalloc+0x94/0xa3 [ 1301.851843] [] ? copy_mount_string+0x3d/0x3d [ 1301.877733] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1301.899252] [] ? __check_object_size+0x1e1/0x2b8 [ 1301.919554] [] ? 0xffffffffb1c002b8 [ 1301.936860] [] ? copy_mount_options+0x23d/0x24d [ 1301.960814] [] SyS_mount+0xa3/0xda [ 1301.979704] [] mount_block_root+0x2fc/0x650 [ 1301.998419] [] ? init_rootfs+0x99/0x99 [ 1302.016666] [] ? security_file_ioctl+0xa5/0xb4 [ 1302.036701] [] ? SyS_mknod+0x2f/0x36 [ 1302.054441] [] mount_root+0x45/0x48 [ 1302.074523] [] prepare_namespace+0x1cf/0x235 [ 1302.099470] [] kernel_init_freeable+0x4fa/0x518 [ 1302.121770] [] kernel_init+0x16/0x181 [ 1302.144295] [] ret_from_fork+0x1f/0x40 [ 1302.164377] [] ? rest_init+0x8f/0x8f [ 1302.182513] ================================================================================ [ 1302.214434] ================================================================================ [ 1302.241938] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1302.260065] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1302.293307] which requires 64 byte alignment [ 1302.310294] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1302.335180] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1302.367539] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1302.393845] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1302.419845] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1302.446191] Call Trace: [ 1302.455853] [] dump_stack+0xd7/0x132 [ 1302.472661] [] ? arch_local_irq_restore+0x1b/0x1b [ 1302.495562] [] ubsan_epilogue+0x12/0x53 [ 1302.516500] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1302.538968] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1302.563307] [] ? map_id_down+0x11c/0x12b [ 1302.584048] [] ext4_fill_super+0x1912/0xa2df [ 1302.603025] [] ? console_unlock+0x6a9/0x6b8 [ 1302.623719] [] ? vprintk_emit+0x636/0x647 [ 1302.645732] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1302.669377] [] ? ubsan_epilogue+0x26/0x53 [ 1302.689155] [] ? arch_local_irq_restore+0x6/0xd [ 1302.713604] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1302.742686] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1302.775221] [] ? scnprintf+0xf3/0xf3 [ 1302.796806] [] mount_bdev+0x3cf/0x602 [ 1302.816207] [] ? mount_bdev+0x3cf/0x602 [ 1302.840148] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1302.865420] [] ext4_mount+0x3c/0x3e [ 1302.885649] [] mount_fs+0xd0/0x2ca [ 1302.905425] [] vfs_kern_mount+0xa0/0x20a [ 1302.925365] [] do_mount+0x11fe/0x19df [ 1302.945490] [] ? kasan_kmalloc+0x94/0xa3 [ 1302.967327] [] ? copy_mount_string+0x3d/0x3d [ 1302.988569] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1303.008923] [] ? __check_object_size+0x1e1/0x2b8 [ 1303.031959] [] ? 0xffffffffb1c002b8 [ 1303.049844] [] ? copy_mount_options+0x23d/0x24d [ 1303.072728] [] SyS_mount+0xa3/0xda [ 1303.092959] [] mount_block_root+0x2fc/0x650 [ 1303.115057] [] ? init_rootfs+0x99/0x99 [ 1303.135512] [] ? security_file_ioctl+0xa5/0xb4 [ 1303.156159] [] ? SyS_mknod+0x2f/0x36 [ 1303.175311] [] mount_root+0x45/0x48 [ 1303.195154] [] prepare_namespace+0x1cf/0x235 [ 1303.218885] [] kernel_init_freeable+0x4fa/0x518 [ 1303.240172] [] kernel_init+0x16/0x181 [ 1303.261381] [] ret_from_fork+0x1f/0x40 [ 1303.279002] [] ? rest_init+0x8f/0x8f [ 1303.297923] ================================================================================ [ 1303.328065] ================================================================================ [ 1303.361522] UBSAN: Undefined behaviour in fs/ext4/super.c:3456:7 [ 1303.382834] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1303.416392] which requires 64 byte alignment [ 1303.435499] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1303.458596] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1303.497283] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1303.538285] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1303.589849] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1303.627847] Call Trace: [ 1303.639950] [] dump_stack+0xd7/0x132 [ 1303.664178] [] ? arch_local_irq_restore+0x1b/0x1b [ 1303.689496] [] ubsan_epilogue+0x12/0x53 [ 1303.710513] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1303.740482] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1303.770632] [] ? map_id_down+0x11c/0x12b [ 1303.800871] [] ext4_fill_super+0x1992/0xa2df [ 1303.832147] [] ? console_unlock+0x6a9/0x6b8 [ 1303.884839] [] ? vprintk_emit+0x636/0x647 [ 1303.921405] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1303.973201] [] ? ubsan_epilogue+0x26/0x53 [ 1304.022581] [] ? arch_local_irq_restore+0x6/0xd [ 1304.071603] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1304.122889] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1304.169886] [] ? scnprintf+0xf3/0xf3 [ 1304.192710] [] mount_bdev+0x3cf/0x602 [ 1304.218704] [] ? mount_bdev+0x3cf/0x602 [ 1304.240517] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1304.266555] [] ext4_mount+0x3c/0x3e [ 1304.283100] [] mount_fs+0xd0/0x2ca [ 1304.300380] [] vfs_kern_mount+0xa0/0x20a [ 1304.321129] [] do_mount+0x11fe/0x19df [ 1304.340704] [] ? kasan_kmalloc+0x94/0xa3 [ 1304.362165] [] ? copy_mount_string+0x3d/0x3d [ 1304.386187] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1304.423237] [] ? __check_object_size+0x1e1/0x2b8 [ 1304.473219] [] ? 0xffffffffb1c002b8 [ 1304.517828] [] ? copy_mount_options+0x23d/0x24d [ 1304.588903] [] SyS_mount+0xa3/0xda [ 1304.625352] [] mount_block_root+0x2fc/0x650 [ 1304.672101] [] ? init_rootfs+0x99/0x99 [ 1304.698806] [] ? security_file_ioctl+0xa5/0xb4 [ 1304.720794] [] ? SyS_mknod+0x2f/0x36 [ 1304.740323] [] mount_root+0x45/0x48 [ 1304.764537] [] prepare_namespace+0x1cf/0x235 [ 1304.785629] [] kernel_init_freeable+0x4fa/0x518 [ 1304.817025] [] kernel_init+0x16/0x181 [ 1304.835871] [] ret_from_fork+0x1f/0x40 [ 1304.857476] [] ? rest_init+0x8f/0x8f [ 1304.873437] ================================================================================ [ 1304.906777] ================================================================================ [ 1304.937003] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1304.955117] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1304.988272] which requires 64 byte alignment [ 1305.001926] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1305.021379] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1305.054167] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c8 ffffffffb26ec5cc [ 1305.081551] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1305.106189] 0000000000000010 ffff88005c9df5f0 ffff88005c9df5a0 ffffffffb363c3e0 [ 1305.132584] Call Trace: [ 1305.140911] [] dump_stack+0xd7/0x132 [ 1305.163554] [] ? arch_local_irq_restore+0x1b/0x1b [ 1305.184652] [] ubsan_epilogue+0x12/0x53 [ 1305.202419] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1305.223093] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1305.246167] [] ? vprintk_emit+0x636/0x647 [ 1305.267156] [] parse_options+0xe1/0x202b [ 1305.284487] [] ? clear_qf_name+0x191/0x191 [ 1305.304302] [] ? ubsan_epilogue+0x26/0x53 [ 1305.322096] [] ? arch_local_irq_restore+0x6/0xd [ 1305.345595] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1305.369627] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1305.395091] [] ? map_id_down+0x11c/0x12b [ 1305.415399] [] ext4_fill_super+0x1b33/0xa2df [ 1305.437475] [] ? ext4_fill_super+0x1b33/0xa2df [ 1305.457495] [] ? console_unlock+0x6a9/0x6b8 [ 1305.477801] [] ? vprintk_emit+0x636/0x647 [ 1305.500097] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1305.521714] [] ? ubsan_epilogue+0x26/0x53 [ 1305.542109] [] ? arch_local_irq_restore+0x6/0xd [ 1305.565387] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1305.588335] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1305.609173] [] ? scnprintf+0xf3/0xf3 [ 1305.625801] [] mount_bdev+0x3cf/0x602 [ 1305.642693] [] ? mount_bdev+0x3cf/0x602 [ 1305.662938] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1305.682697] [] ext4_mount+0x3c/0x3e [ 1305.699655] [] mount_fs+0xd0/0x2ca [ 1305.717113] [] vfs_kern_mount+0xa0/0x20a [ 1305.734190] [] do_mount+0x11fe/0x19df [ 1305.753056] [] ? kasan_kmalloc+0x94/0xa3 [ 1305.772888] [] ? copy_mount_string+0x3d/0x3d [ 1305.796666] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1305.817089] [] ? __check_object_size+0x1e1/0x2b8 [ 1305.839813] [] ? 0xffffffffb1c002b8 [ 1305.858242] [] ? copy_mount_options+0x23d/0x24d [ 1305.883010] [] SyS_mount+0xa3/0xda [ 1305.898632] [] mount_block_root+0x2fc/0x650 [ 1305.917079] [] ? init_rootfs+0x99/0x99 [ 1305.934124] [] ? security_file_ioctl+0xa5/0xb4 [ 1305.953732] [] ? SyS_mknod+0x2f/0x36 [ 1305.970327] [] mount_root+0x45/0x48 [ 1305.988396] [] prepare_namespace+0x1cf/0x235 [ 1306.007988] [] kernel_init_freeable+0x4fa/0x518 [ 1306.031404] [] kernel_init+0x16/0x181 [ 1306.048020] [] ret_from_fork+0x1f/0x40 [ 1306.067905] [] ? rest_init+0x8f/0x8f [ 1306.085971] ================================================================================ [ 1306.115047] ================================================================================ [ 1306.140881] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1306.164903] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1306.196888] which requires 64 byte alignment [ 1306.210800] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1306.233261] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1306.263462] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5b0 ffffffffb26ec5cc [ 1306.287389] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1306.319155] 0000000000000010 ffff88005c9df5d8 ffff88005c9df588 ffffffffb363c3e0 [ 1306.343777] Call Trace: [ 1306.354353] [] dump_stack+0xd7/0x132 [ 1306.371378] [] ? arch_local_irq_restore+0x1b/0x1b [ 1306.392531] [] ubsan_epilogue+0x12/0x53 [ 1306.416661] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1306.439123] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1306.464280] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1306.489657] [] ? strpbrk+0x35/0x80 [ 1306.508687] [] ext4_has_feature_quota+0x26/0x8d [ 1306.530363] [] parse_options+0x18fe/0x202b [ 1306.549749] [] ? clear_qf_name+0x191/0x191 [ 1306.569719] [] ? ubsan_epilogue+0x26/0x53 [ 1306.593021] [] ? arch_local_irq_restore+0x6/0xd [ 1306.615047] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1306.637528] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1306.662994] [] ? map_id_down+0x11c/0x12b [ 1306.682950] [] ext4_fill_super+0x1b33/0xa2df [ 1306.705397] [] ? ext4_fill_super+0x1b33/0xa2df [ 1306.724409] [] ? console_unlock+0x6a9/0x6b8 [ 1306.747245] [] ? vprintk_emit+0x636/0x647 [ 1306.767950] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1306.792572] [] ? ubsan_epilogue+0x26/0x53 [ 1306.816555] [] ? arch_local_irq_restore+0x6/0xd [ 1306.839984] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1306.866937] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1306.892047] [] ? scnprintf+0xf3/0xf3 [ 1306.908689] [] mount_bdev+0x3cf/0x602 [ 1306.928333] [] ? mount_bdev+0x3cf/0x602 [ 1306.949523] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1306.974004] [] ext4_mount+0x3c/0x3e [ 1306.991650] [] mount_fs+0xd0/0x2ca [ 1307.007893] [] vfs_kern_mount+0xa0/0x20a [ 1307.030430] [] do_mount+0x11fe/0x19df [ 1307.046060] [] ? kasan_kmalloc+0x94/0xa3 [ 1307.066102] [] ? copy_mount_string+0x3d/0x3d [ 1307.086083] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1307.108215] [] ? __check_object_size+0x1e1/0x2b8 [ 1307.131240] [] ? 0xffffffffb1c002b8 [ 1307.147287] [] ? copy_mount_options+0x23d/0x24d [ 1307.170490] [] SyS_mount+0xa3/0xda [ 1307.187116] [] mount_block_root+0x2fc/0x650 [ 1307.205345] [] ? init_rootfs+0x99/0x99 [ 1307.223362] [] ? security_file_ioctl+0xa5/0xb4 [ 1307.244322] [] ? SyS_mknod+0x2f/0x36 [ 1307.264377] [] mount_root+0x45/0x48 [ 1307.283387] [] prepare_namespace+0x1cf/0x235 [ 1307.301412] [] kernel_init_freeable+0x4fa/0x518 [ 1307.322696] [] kernel_init+0x16/0x181 [ 1307.340074] [] ret_from_fork+0x1f/0x40 [ 1307.362974] [] ? rest_init+0x8f/0x8f [ 1307.380732] ================================================================================ [ 1307.410629] ================================================================================ [ 1307.441113] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1307.464189] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1307.498764] which requires 64 byte alignment [ 1307.514989] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1307.534921] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1307.572254] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c8 ffffffffb26ec5cc [ 1307.604864] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1307.634667] ffffffff00000010 ffff88005c9df5f0 ffff88005c9df5a0 ffffffffb363c3e0 [ 1307.660211] Call Trace: [ 1307.672805] [] dump_stack+0xd7/0x132 [ 1307.691053] [] ? arch_local_irq_restore+0x1b/0x1b [ 1307.716579] [] ubsan_epilogue+0x12/0x53 [ 1307.737464] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1307.763920] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1307.792812] [] ? strpbrk+0x35/0x80 [ 1307.814140] [] parse_options+0x1e16/0x202b [ 1307.833895] [] ? clear_qf_name+0x191/0x191 [ 1307.852780] [] ? ubsan_epilogue+0x26/0x53 [ 1307.876364] [] ? arch_local_irq_restore+0x6/0xd [ 1307.901840] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1307.923402] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1307.948214] [] ? map_id_down+0x11c/0x12b [ 1307.968684] [] ext4_fill_super+0x1b33/0xa2df [ 1307.989715] [] ? ext4_fill_super+0x1b33/0xa2df [ 1308.011636] [] ? console_unlock+0x6a9/0x6b8 [ 1308.029576] [] ? vprintk_emit+0x636/0x647 [ 1308.053209] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1308.073771] [] ? ubsan_epilogue+0x26/0x53 [ 1308.092379] [] ? arch_local_irq_restore+0x6/0xd [ 1308.116989] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1308.141076] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1308.168109] [] ? scnprintf+0xf3/0xf3 [ 1308.189044] [] mount_bdev+0x3cf/0x602 [ 1308.206751] [] ? mount_bdev+0x3cf/0x602 [ 1308.224202] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1308.248254] [] ext4_mount+0x3c/0x3e [ 1308.266397] [] mount_fs+0xd0/0x2ca [ 1308.286231] [] vfs_kern_mount+0xa0/0x20a [ 1308.303027] [] do_mount+0x11fe/0x19df [ 1308.323561] [] ? kasan_kmalloc+0x94/0xa3 [ 1308.342974] [] ? copy_mount_string+0x3d/0x3d [ 1308.365308] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1308.387693] [] ? __check_object_size+0x1e1/0x2b8 [ 1308.409801] [] ? 0xffffffffb1c002b8 [ 1308.428126] [] ? copy_mount_options+0x23d/0x24d [ 1308.452459] [] SyS_mount+0xa3/0xda [ 1308.471785] [] mount_block_root+0x2fc/0x650 [ 1308.492703] [] ? init_rootfs+0x99/0x99 [ 1308.511618] [] ? security_file_ioctl+0xa5/0xb4 [ 1308.530892] [] ? SyS_mknod+0x2f/0x36 [ 1308.551363] [] mount_root+0x45/0x48 [ 1308.571155] [] prepare_namespace+0x1cf/0x235 [ 1308.590527] [] kernel_init_freeable+0x4fa/0x518 [ 1308.615429] [] kernel_init+0x16/0x181 [ 1308.635352] [] ret_from_fork+0x1f/0x40 [ 1308.655482] [] ? rest_init+0x8f/0x8f [ 1308.679748] ================================================================================ [ 1308.739371] ================================================================================ [ 1308.807512] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1308.924309] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1308.993847] which requires 64 byte alignment [ 1309.026467] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1309.061805] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1309.101753] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c8 ffffffffb26ec5cc [ 1309.128591] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1309.155687] ffffffff00000010 ffff88005c9df5f0 ffff88005c9df5a0 ffffffffb363c3e0 [ 1309.184477] Call Trace: [ 1309.192123] [] dump_stack+0xd7/0x132 [ 1309.210470] [] ? arch_local_irq_restore+0x1b/0x1b [ 1309.235313] [] ubsan_epilogue+0x12/0x53 [ 1309.253607] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1309.282119] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1309.302321] [] ? strpbrk+0x35/0x80 [ 1309.320612] [] parse_options+0x1f12/0x202b [ 1309.340087] [] ? clear_qf_name+0x191/0x191 [ 1309.362018] [] ? ubsan_epilogue+0x26/0x53 [ 1309.383961] [] ? arch_local_irq_restore+0x6/0xd [ 1309.404143] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1309.433515] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1309.457299] [] ? map_id_down+0x11c/0x12b [ 1309.475661] [] ext4_fill_super+0x1b33/0xa2df [ 1309.499182] [] ? ext4_fill_super+0x1b33/0xa2df [ 1309.519703] [] ? console_unlock+0x6a9/0x6b8 [ 1309.540962] [] ? vprintk_emit+0x636/0x647 [ 1309.560936] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1309.586188] [] ? ubsan_epilogue+0x26/0x53 [ 1309.606077] [] ? arch_local_irq_restore+0x6/0xd [ 1309.624635] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1309.653476] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1309.678651] [] ? scnprintf+0xf3/0xf3 [ 1309.694824] [] mount_bdev+0x3cf/0x602 [ 1309.716024] [] ? mount_bdev+0x3cf/0x602 [ 1309.735124] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1309.758409] [] ext4_mount+0x3c/0x3e [ 1309.774878] [] mount_fs+0xd0/0x2ca [ 1309.794683] [] vfs_kern_mount+0xa0/0x20a [ 1309.819273] [] do_mount+0x11fe/0x19df [ 1309.838584] [] ? kasan_kmalloc+0x94/0xa3 [ 1309.860562] [] ? copy_mount_string+0x3d/0x3d [ 1309.884826] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1309.906130] [] ? __check_object_size+0x1e1/0x2b8 [ 1309.928782] [] ? 0xffffffffb1c002b8 [ 1309.950074] [] ? copy_mount_options+0x23d/0x24d [ 1309.968556] [] SyS_mount+0xa3/0xda [ 1309.987552] [] mount_block_root+0x2fc/0x650 [ 1310.009055] [] ? init_rootfs+0x99/0x99 [ 1310.030785] [] ? security_file_ioctl+0xa5/0xb4 [ 1310.051433] [] ? SyS_mknod+0x2f/0x36 [ 1310.069249] [] mount_root+0x45/0x48 [ 1310.085992] [] prepare_namespace+0x1cf/0x235 [ 1310.105013] [] kernel_init_freeable+0x4fa/0x518 [ 1310.123723] [] kernel_init+0x16/0x181 [ 1310.143806] [] ret_from_fork+0x1f/0x40 [ 1310.160451] [] ? rest_init+0x8f/0x8f [ 1310.181635] ================================================================================ [ 1310.208905] ================================================================================ [ 1310.238066] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1310.258898] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1310.288076] which requires 64 byte alignment [ 1310.303856] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1310.324316] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1310.358190] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1310.387440] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1310.412751] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1310.440926] Call Trace: [ 1310.451702] [] dump_stack+0xd7/0x132 [ 1310.468102] [] ? arch_local_irq_restore+0x1b/0x1b [ 1310.489937] [] ubsan_epilogue+0x12/0x53 [ 1310.508804] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1310.534366] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1310.558687] [] ? map_id_down+0x11c/0x12b [ 1310.577465] [] ext4_fill_super+0x1c43/0xa2df [ 1310.597463] [] ? console_unlock+0x6a9/0x6b8 [ 1310.619756] [] ? vprintk_emit+0x636/0x647 [ 1310.639932] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1310.661432] [] ? ubsan_epilogue+0x26/0x53 [ 1310.680904] [] ? arch_local_irq_restore+0x6/0xd [ 1310.701516] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1310.723456] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1310.748901] [] ? scnprintf+0xf3/0xf3 [ 1310.766926] [] mount_bdev+0x3cf/0x602 [ 1310.785527] [] ? mount_bdev+0x3cf/0x602 [ 1310.805095] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1310.826866] [] ext4_mount+0x3c/0x3e [ 1310.846143] [] mount_fs+0xd0/0x2ca [ 1310.868884] [] vfs_kern_mount+0xa0/0x20a [ 1310.889297] [] do_mount+0x11fe/0x19df [ 1310.908821] [] ? kasan_kmalloc+0x94/0xa3 [ 1310.930162] [] ? copy_mount_string+0x3d/0x3d [ 1310.957901] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1310.980313] [] ? __check_object_size+0x1e1/0x2b8 [ 1311.008595] [] ? 0xffffffffb1c002b8 [ 1311.026727] [] ? copy_mount_options+0x23d/0x24d [ 1311.049276] [] SyS_mount+0xa3/0xda [ 1311.066414] [] mount_block_root+0x2fc/0x650 [ 1311.085781] [] ? init_rootfs+0x99/0x99 [ 1311.105279] [] ? security_file_ioctl+0xa5/0xb4 [ 1311.127804] [] ? SyS_mknod+0x2f/0x36 [ 1311.143904] [] mount_root+0x45/0x48 [ 1311.160247] [] prepare_namespace+0x1cf/0x235 [ 1311.182962] [] kernel_init_freeable+0x4fa/0x518 [ 1311.205163] [] kernel_init+0x16/0x181 [ 1311.223228] [] ret_from_fork+0x1f/0x40 [ 1311.243375] [] ? rest_init+0x8f/0x8f [ 1311.260705] ================================================================================ [ 1311.290814] ================================================================================ [ 1311.320319] UBSAN: Undefined behaviour in fs/ext4/super.c:3499:16 [ 1311.342771] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1311.374588] which requires 64 byte alignment [ 1311.390069] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1311.408730] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1311.442625] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1311.469763] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1311.495775] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1311.521615] Call Trace: [ 1311.530452] [] dump_stack+0xd7/0x132 [ 1311.550838] [] ? arch_local_irq_restore+0x1b/0x1b [ 1311.568980] [] ubsan_epilogue+0x12/0x53 [ 1311.588567] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1311.615101] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1311.639586] [] ? map_id_down+0x11c/0x12b [ 1311.658813] [] ext4_fill_super+0x1ebc/0xa2df [ 1311.677926] [] ? console_unlock+0x6a9/0x6b8 [ 1311.699183] [] ? vprintk_emit+0x636/0x647 [ 1311.719069] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1311.741249] [] ? ubsan_epilogue+0x26/0x53 [ 1311.760804] [] ? arch_local_irq_restore+0x6/0xd [ 1311.782296] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1311.806327] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1311.828999] [] ? scnprintf+0xf3/0xf3 [ 1311.848005] [] mount_bdev+0x3cf/0x602 [ 1311.869912] [] ? mount_bdev+0x3cf/0x602 [ 1311.889261] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1311.910180] [] ext4_mount+0x3c/0x3e [ 1311.927862] [] mount_fs+0xd0/0x2ca [ 1311.949233] [] vfs_kern_mount+0xa0/0x20a [ 1311.965972] [] do_mount+0x11fe/0x19df [ 1311.984461] [] ? kasan_kmalloc+0x94/0xa3 [ 1312.004636] [] ? copy_mount_string+0x3d/0x3d [ 1312.026109] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1312.047486] [] ? __check_object_size+0x1e1/0x2b8 [ 1312.068591] [] ? 0xffffffffb1c002b8 [ 1312.086255] [] ? copy_mount_options+0x23d/0x24d [ 1312.109661] [] SyS_mount+0xa3/0xda [ 1312.127528] [] mount_block_root+0x2fc/0x650 [ 1312.146740] [] ? init_rootfs+0x99/0x99 [ 1312.165992] [] ? security_file_ioctl+0xa5/0xb4 [ 1312.186079] [] ? SyS_mknod+0x2f/0x36 [ 1312.204567] [] mount_root+0x45/0x48 [ 1312.222246] [] prepare_namespace+0x1cf/0x235 [ 1312.240371] [] kernel_init_freeable+0x4fa/0x518 [ 1312.260323] [] kernel_init+0x16/0x181 [ 1312.279902] [] ret_from_fork+0x1f/0x40 [ 1312.296404] [] ? rest_init+0x8f/0x8f [ 1312.316132] ================================================================================ [ 1312.343557] ================================================================================ [ 1312.377138] UBSAN: Undefined behaviour in fs/ext4/super.c:3499:16 [ 1312.399321] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1312.425238] which requires 64 byte alignment [ 1312.440736] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1312.460620] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1312.496609] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1312.526594] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1312.553965] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1312.579535] Call Trace: [ 1312.587564] [] dump_stack+0xd7/0x132 [ 1312.606809] [] ? arch_local_irq_restore+0x1b/0x1b [ 1312.633494] [] ubsan_epilogue+0x12/0x53 [ 1312.653721] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1312.677301] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1312.703833] [] ? map_id_down+0x11c/0x12b [ 1312.723307] [] ext4_fill_super+0x1ee7/0xa2df [ 1312.743697] [] ? console_unlock+0x6a9/0x6b8 [ 1312.765759] [] ? vprintk_emit+0x636/0x647 [ 1312.785830] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1312.807822] [] ? ubsan_epilogue+0x26/0x53 [ 1312.825563] [] ? arch_local_irq_restore+0x6/0xd [ 1312.847809] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1312.872374] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1312.904177] [] ? scnprintf+0xf3/0xf3 [ 1312.921893] [] mount_bdev+0x3cf/0x602 [ 1312.939744] [] ? mount_bdev+0x3cf/0x602 [ 1312.958703] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1312.983811] [] ext4_mount+0x3c/0x3e [ 1313.001447] [] mount_fs+0xd0/0x2ca [ 1313.019813] [] vfs_kern_mount+0xa0/0x20a [ 1313.037142] [] do_mount+0x11fe/0x19df [ 1313.055995] [] ? kasan_kmalloc+0x94/0xa3 [ 1313.074361] [] ? copy_mount_string+0x3d/0x3d [ 1313.091273] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1313.112656] [] ? __check_object_size+0x1e1/0x2b8 [ 1313.135557] [] ? 0xffffffffb1c002b8 [ 1313.155238] [] ? copy_mount_options+0x23d/0x24d [ 1313.175707] [] SyS_mount+0xa3/0xda [ 1313.189589] [] mount_block_root+0x2fc/0x650 [ 1313.212060] [] ? init_rootfs+0x99/0x99 [ 1313.233582] [] ? security_file_ioctl+0xa5/0xb4 [ 1313.255032] [] ? SyS_mknod+0x2f/0x36 [ 1313.275245] [] mount_root+0x45/0x48 [ 1313.291640] [] prepare_namespace+0x1cf/0x235 [ 1313.317509] [] kernel_init_freeable+0x4fa/0x518 [ 1313.338446] [] kernel_init+0x16/0x181 [ 1313.356595] [] ret_from_fork+0x1f/0x40 [ 1313.378911] [] ? rest_init+0x8f/0x8f [ 1313.396520] ================================================================================ [ 1313.426063] ================================================================================ [ 1313.455662] UBSAN: Undefined behaviour in fs/ext4/super.c:3502:19 [ 1313.476432] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1313.507858] which requires 64 byte alignment [ 1313.522884] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1313.543878] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1313.577068] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1313.603241] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1313.628254] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1313.655708] Call Trace: [ 1313.666129] [] dump_stack+0xd7/0x132 [ 1313.684291] [] ? arch_local_irq_restore+0x1b/0x1b [ 1313.704725] [] ubsan_epilogue+0x12/0x53 [ 1313.725606] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1313.754483] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1313.778422] [] ? map_id_down+0x11c/0x12b [ 1313.801053] [] ext4_fill_super+0x1f0a/0xa2df [ 1313.821257] [] ? console_unlock+0x6a9/0x6b8 [ 1313.840961] [] ? vprintk_emit+0x636/0x647 [ 1313.860063] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1313.886243] [] ? ubsan_epilogue+0x26/0x53 [ 1313.905974] [] ? arch_local_irq_restore+0x6/0xd [ 1313.925559] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1313.953297] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1313.979651] [] ? scnprintf+0xf3/0xf3 [ 1313.999663] [] mount_bdev+0x3cf/0x602 [ 1314.018273] [] ? mount_bdev+0x3cf/0x602 [ 1314.036630] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1314.058458] [] ext4_mount+0x3c/0x3e [ 1314.075437] [] mount_fs+0xd0/0x2ca [ 1314.095420] [] vfs_kern_mount+0xa0/0x20a [ 1314.115614] [] do_mount+0x11fe/0x19df [ 1314.131064] [] ? kasan_kmalloc+0x94/0xa3 [ 1314.151094] [] ? copy_mount_string+0x3d/0x3d [ 1314.169630] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1314.190244] [] ? __check_object_size+0x1e1/0x2b8 [ 1314.212966] [] ? 0xffffffffb1c002b8 [ 1314.233276] [] ? copy_mount_options+0x23d/0x24d [ 1314.255578] [] SyS_mount+0xa3/0xda [ 1314.272337] [] mount_block_root+0x2fc/0x650 [ 1314.298213] [] ? init_rootfs+0x99/0x99 [ 1314.340078] [] ? security_file_ioctl+0xa5/0xb4 [ 1314.379047] [] ? SyS_mknod+0x2f/0x36 [ 1314.440615] [] mount_root+0x45/0x48 [ 1314.476316] [] prepare_namespace+0x1cf/0x235 [ 1314.525181] [] kernel_init_freeable+0x4fa/0x518 [ 1314.560407] [] kernel_init+0x16/0x181 [ 1314.588664] [] ret_from_fork+0x1f/0x40 [ 1314.609178] [] ? rest_init+0x8f/0x8f [ 1314.629082] ================================================================================ [ 1314.660971] ================================================================================ [ 1314.693091] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1314.718261] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1314.746480] which requires 64 byte alignment [ 1314.763028] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1314.787019] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1314.823617] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1314.858149] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1314.884893] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1314.911328] Call Trace: [ 1314.919984] [] dump_stack+0xd7/0x132 [ 1314.939579] [] ? arch_local_irq_restore+0x1b/0x1b [ 1314.959975] [] ubsan_epilogue+0x12/0x53 [ 1314.977632] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1315.002757] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1315.027233] [] ? map_id_down+0x11c/0x12b [ 1315.052509] [] ext4_fill_super+0x1f48/0xa2df [ 1315.074389] [] ? console_unlock+0x6a9/0x6b8 [ 1315.092836] [] ? vprintk_emit+0x636/0x647 [ 1315.116230] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1315.140878] [] ? ubsan_epilogue+0x26/0x53 [ 1315.162688] [] ? arch_local_irq_restore+0x6/0xd [ 1315.213749] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1315.266967] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1315.339846] [] ? scnprintf+0xf3/0xf3 [ 1315.391831] [] mount_bdev+0x3cf/0x602 [ 1315.440205] [] ? mount_bdev+0x3cf/0x602 [ 1315.482154] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1315.541424] [] ext4_mount+0x3c/0x3e [ 1315.567820] [] mount_fs+0xd0/0x2ca [ 1315.598415] [] vfs_kern_mount+0xa0/0x20a [ 1315.627689] [] do_mount+0x11fe/0x19df [ 1315.644925] [] ? kasan_kmalloc+0x94/0xa3 [ 1315.669725] [] ? copy_mount_string+0x3d/0x3d [ 1315.692297] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1315.719725] [] ? __check_object_size+0x1e1/0x2b8 [ 1315.740882] [] ? 0xffffffffb1c002b8 [ 1315.757556] [] ? copy_mount_options+0x23d/0x24d [ 1315.779630] [] SyS_mount+0xa3/0xda [ 1315.801362] [] mount_block_root+0x2fc/0x650 [ 1315.824859] [] ? init_rootfs+0x99/0x99 [ 1315.853032] [] ? security_file_ioctl+0xa5/0xb4 [ 1315.875795] [] ? SyS_mknod+0x2f/0x36 [ 1315.893929] [] mount_root+0x45/0x48 [ 1315.913371] [] prepare_namespace+0x1cf/0x235 [ 1315.938328] [] kernel_init_freeable+0x4fa/0x518 [ 1315.959391] [] kernel_init+0x16/0x181 [ 1315.980652] [] ret_from_fork+0x1f/0x40 [ 1316.020419] [] ? rest_init+0x8f/0x8f [ 1316.059251] ================================================================================ [ 1316.111750] ================================================================================ [ 1316.179941] UBSAN: Undefined behaviour in fs/ext4/super.c:3502:14 [ 1316.228487] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1316.283098] which requires 64 byte alignment [ 1316.296410] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1316.321783] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1316.359343] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1316.386976] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1316.416274] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1316.442378] Call Trace: [ 1316.454861] [] dump_stack+0xd7/0x132 [ 1316.473661] [] ? arch_local_irq_restore+0x1b/0x1b [ 1316.498268] [] ubsan_epilogue+0x12/0x53 [ 1316.520408] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1316.547214] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1316.572970] [] ? map_id_down+0x11c/0x12b [ 1316.598403] [] ext4_fill_super+0x1fb2/0xa2df [ 1316.621818] [] ? console_unlock+0x6a9/0x6b8 [ 1316.641489] [] ? vprintk_emit+0x636/0x647 [ 1316.660007] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1316.683985] [] ? ubsan_epilogue+0x26/0x53 [ 1316.705714] [] ? arch_local_irq_restore+0x6/0xd [ 1316.725642] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1316.752543] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1316.776556] [] ? scnprintf+0xf3/0xf3 [ 1316.794559] [] mount_bdev+0x3cf/0x602 [ 1316.815505] [] ? mount_bdev+0x3cf/0x602 [ 1316.835677] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1316.860191] [] ext4_mount+0x3c/0x3e [ 1316.880158] [] mount_fs+0xd0/0x2ca [ 1316.904731] [] vfs_kern_mount+0xa0/0x20a [ 1316.924260] [] do_mount+0x11fe/0x19df [ 1316.944683] [] ? kasan_kmalloc+0x94/0xa3 [ 1316.969280] [] ? copy_mount_string+0x3d/0x3d [ 1316.989973] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1317.014956] [] ? __check_object_size+0x1e1/0x2b8 [ 1317.040574] [] ? 0xffffffffb1c002b8 [ 1317.059816] [] ? copy_mount_options+0x23d/0x24d [ 1317.083932] [] SyS_mount+0xa3/0xda [ 1317.104066] [] mount_block_root+0x2fc/0x650 [ 1317.127734] [] ? init_rootfs+0x99/0x99 [ 1317.148561] [] ? security_file_ioctl+0xa5/0xb4 [ 1317.173857] [] ? SyS_mknod+0x2f/0x36 [ 1317.190493] [] mount_root+0x45/0x48 [ 1317.208099] [] prepare_namespace+0x1cf/0x235 [ 1317.230590] [] kernel_init_freeable+0x4fa/0x518 [ 1317.254155] [] kernel_init+0x16/0x181 [ 1317.272426] [] ret_from_fork+0x1f/0x40 [ 1317.289842] [] ? rest_init+0x8f/0x8f [ 1317.308098] ================================================================================ [ 1317.340223] ================================================================================ [ 1317.368117] UBSAN: Undefined behaviour in fs/ext4/super.c:3522:6 [ 1317.387977] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1317.420558] which requires 64 byte alignment [ 1317.434216] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1317.454579] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1317.486506] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1317.516992] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1317.545209] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1317.573141] Call Trace: [ 1317.585545] [] dump_stack+0xd7/0x132 [ 1317.603860] [] ? arch_local_irq_restore+0x1b/0x1b [ 1317.626033] [] ubsan_epilogue+0x12/0x53 [ 1317.643064] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1317.668544] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1317.692991] [] ? map_id_down+0x11c/0x12b [ 1317.712519] [] ext4_fill_super+0x2294/0xa2df [ 1317.737624] [] ? console_unlock+0x6a9/0x6b8 [ 1317.758538] [] ? vprintk_emit+0x636/0x647 [ 1317.776890] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1317.798998] [] ? ubsan_epilogue+0x26/0x53 [ 1317.821373] [] ? arch_local_irq_restore+0x6/0xd [ 1317.842445] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1317.871259] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1317.894883] [] ? scnprintf+0xf3/0xf3 [ 1317.916526] [] mount_bdev+0x3cf/0x602 [ 1317.936938] [] ? mount_bdev+0x3cf/0x602 [ 1317.957743] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1317.980047] [] ext4_mount+0x3c/0x3e [ 1317.996351] [] mount_fs+0xd0/0x2ca [ 1318.014385] [] vfs_kern_mount+0xa0/0x20a [ 1318.036698] [] do_mount+0x11fe/0x19df [ 1318.055703] [] ? kasan_kmalloc+0x94/0xa3 [ 1318.075580] [] ? copy_mount_string+0x3d/0x3d [ 1318.096477] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1318.119303] [] ? __check_object_size+0x1e1/0x2b8 [ 1318.139989] [] ? 0xffffffffb1c002b8 [ 1318.156832] [] ? copy_mount_options+0x23d/0x24d [ 1318.179882] [] SyS_mount+0xa3/0xda [ 1318.195458] [] mount_block_root+0x2fc/0x650 [ 1318.218537] [] ? init_rootfs+0x99/0x99 [ 1318.238035] [] ? security_file_ioctl+0xa5/0xb4 [ 1318.258285] [] ? SyS_mknod+0x2f/0x36 [ 1318.276828] [] mount_root+0x45/0x48 [ 1318.294689] [] prepare_namespace+0x1cf/0x235 [ 1318.312260] [] kernel_init_freeable+0x4fa/0x518 [ 1318.336281] [] kernel_init+0x16/0x181 [ 1318.354609] [] ret_from_fork+0x1f/0x40 [ 1318.372624] [] ? rest_init+0x8f/0x8f [ 1318.388828] ================================================================================ [ 1318.415218] ================================================================================ [ 1318.447192] UBSAN: Undefined behaviour in fs/ext4/super.c:3533:6 [ 1318.467397] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1318.502241] which requires 64 byte alignment [ 1318.514586] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1318.537118] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1318.567241] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1318.595983] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1318.623109] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1318.652620] Call Trace: [ 1318.660676] [] dump_stack+0xd7/0x132 [ 1318.678603] [] ? arch_local_irq_restore+0x1b/0x1b [ 1318.702212] [] ubsan_epilogue+0x12/0x53 [ 1318.721036] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1318.743364] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1318.766718] [] ? map_id_down+0x11c/0x12b [ 1318.789367] [] ext4_fill_super+0x2432/0xa2df [ 1318.809770] [] ? console_unlock+0x6a9/0x6b8 [ 1318.830790] [] ? vprintk_emit+0x636/0x647 [ 1318.848810] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1318.873675] [] ? ubsan_epilogue+0x26/0x53 [ 1318.894135] [] ? arch_local_irq_restore+0x6/0xd [ 1318.915646] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1318.941213] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1318.970305] [] ? scnprintf+0xf3/0xf3 [ 1318.983464] [] mount_bdev+0x3cf/0x602 [ 1319.002759] [] ? mount_bdev+0x3cf/0x602 [ 1319.025061] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1319.055019] [] ext4_mount+0x3c/0x3e [ 1319.074601] [] mount_fs+0xd0/0x2ca [ 1319.089275] [] vfs_kern_mount+0xa0/0x20a [ 1319.108284] [] do_mount+0x11fe/0x19df [ 1319.126397] [] ? kasan_kmalloc+0x94/0xa3 [ 1319.143653] [] ? copy_mount_string+0x3d/0x3d [ 1319.163516] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1319.187070] [] ? __check_object_size+0x1e1/0x2b8 [ 1319.206398] [] ? 0xffffffffb1c002b8 [ 1319.223969] [] ? copy_mount_options+0x23d/0x24d [ 1319.243925] [] SyS_mount+0xa3/0xda [ 1319.260927] [] mount_block_root+0x2fc/0x650 [ 1319.281131] [] ? init_rootfs+0x99/0x99 [ 1319.301144] [] ? security_file_ioctl+0xa5/0xb4 [ 1319.323715] [] ? SyS_mknod+0x2f/0x36 [ 1319.341793] [] mount_root+0x45/0x48 [ 1319.358170] [] prepare_namespace+0x1cf/0x235 [ 1319.379650] [] kernel_init_freeable+0x4fa/0x518 [ 1319.399835] [] kernel_init+0x16/0x181 [ 1319.420077] [] ret_from_fork+0x1f/0x40 [ 1319.437980] [] ? rest_init+0x8f/0x8f [ 1319.455126] ================================================================================ [ 1319.486167] ================================================================================ [ 1319.514520] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1319.537514] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1319.564394] which requires 64 byte alignment [ 1319.581544] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1319.605932] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1319.640341] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1319.664719] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1319.696141] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1319.722798] Call Trace: [ 1319.730101] [] dump_stack+0xd7/0x132 [ 1319.747151] [] ? arch_local_irq_restore+0x1b/0x1b [ 1319.768085] [] ubsan_epilogue+0x12/0x53 [ 1319.786082] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1319.811053] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1319.836896] [] ? map_id_down+0x11c/0x12b [ 1319.857113] [] ext4_fill_super+0x2494/0xa2df [ 1319.875648] [] ? console_unlock+0x6a9/0x6b8 [ 1319.896563] [] ? vprintk_emit+0x636/0x647 [ 1319.920678] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1319.941595] [] ? ubsan_epilogue+0x26/0x53 [ 1319.962476] [] ? arch_local_irq_restore+0x6/0xd [ 1319.983246] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1320.007274] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1320.030559] [] ? scnprintf+0xf3/0xf3 [ 1320.048443] [] mount_bdev+0x3cf/0x602 [ 1320.068132] [] ? mount_bdev+0x3cf/0x602 [ 1320.086960] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1320.107949] [] ext4_mount+0x3c/0x3e [ 1320.128084] [] mount_fs+0xd0/0x2ca [ 1320.143506] [] vfs_kern_mount+0xa0/0x20a [ 1320.162610] [] do_mount+0x11fe/0x19df [ 1320.180720] [] ? kasan_kmalloc+0x94/0xa3 [ 1320.198545] [] ? copy_mount_string+0x3d/0x3d [ 1320.219081] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1320.241226] [] ? __check_object_size+0x1e1/0x2b8 [ 1320.261651] [] ? 0xffffffffb1c002b8 [ 1320.280747] [] ? copy_mount_options+0x23d/0x24d [ 1320.303506] [] SyS_mount+0xa3/0xda [ 1320.318743] [] mount_block_root+0x2fc/0x650 [ 1320.339313] [] ? init_rootfs+0x99/0x99 [ 1320.358592] [] ? security_file_ioctl+0xa5/0xb4 [ 1320.378101] [] ? SyS_mknod+0x2f/0x36 [ 1320.398475] [] mount_root+0x45/0x48 [ 1320.414511] [] prepare_namespace+0x1cf/0x235 [ 1320.436354] [] kernel_init_freeable+0x4fa/0x518 [ 1320.456558] [] kernel_init+0x16/0x181 [ 1320.475484] [] ret_from_fork+0x1f/0x40 [ 1320.494814] [] ? rest_init+0x8f/0x8f [ 1320.511441] ================================================================================ [ 1320.541217] ================================================================================ [ 1320.569288] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1320.594597] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1320.625038] which requires 64 byte alignment [ 1320.639046] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1320.660702] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1320.693298] 00000000ffffffff 00000000b1a89c60 ffff88005c9df668 ffffffffb26ec5cc [ 1320.720755] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1320.746237] 0100000000000010 ffff88005c9df690 ffff88005c9df640 ffffffffb363c3e0 [ 1320.774256] Call Trace: [ 1320.783617] [] dump_stack+0xd7/0x132 [ 1320.804862] [] ? arch_local_irq_restore+0x1b/0x1b [ 1320.823791] [] ubsan_epilogue+0x12/0x53 [ 1320.842545] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1320.864731] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1320.891391] [] __ext4_msg+0xb8/0x17f [ 1320.909001] [] ? ext4_decode_error+0x1ac/0x1ac [ 1320.935728] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1320.961128] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1320.984677] [] ? map_id_down+0x11c/0x12b [ 1321.003461] [] ? ext4_fill_super+0x24f2/0xa2df [ 1321.023216] [] ext4_fill_super+0x9b46/0xa2df [ 1321.042159] [] ? console_unlock+0x6a9/0x6b8 [ 1321.060814] [] ? vprintk_emit+0x636/0x647 [ 1321.079921] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1321.105161] [] ? ubsan_epilogue+0x26/0x53 [ 1321.126391] [] ? arch_local_irq_restore+0x6/0xd [ 1321.147204] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1321.172899] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1321.197583] [] ? scnprintf+0xf3/0xf3 [ 1321.213888] [] mount_bdev+0x3cf/0x602 [ 1321.230745] [] ? mount_bdev+0x3cf/0x602 [ 1321.252656] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1321.277892] [] ext4_mount+0x3c/0x3e [ 1321.293453] [] mount_fs+0xd0/0x2ca [ 1321.310197] [] vfs_kern_mount+0xa0/0x20a [ 1321.328105] [] do_mount+0x11fe/0x19df [ 1321.345046] [] ? kasan_kmalloc+0x94/0xa3 [ 1321.365109] [] ? copy_mount_string+0x3d/0x3d [ 1321.385508] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1321.408836] [] ? __check_object_size+0x1e1/0x2b8 [ 1321.430325] [] ? 0xffffffffb1c002b8 [ 1321.446371] [] ? copy_mount_options+0x23d/0x24d [ 1321.468043] [] SyS_mount+0xa3/0xda [ 1321.486761] [] mount_block_root+0x2fc/0x650 [ 1321.507372] [] ? init_rootfs+0x99/0x99 [ 1321.524110] [] ? security_file_ioctl+0xa5/0xb4 [ 1321.546383] [] ? SyS_mknod+0x2f/0x36 [ 1321.564427] [] mount_root+0x45/0x48 [ 1321.585020] [] prepare_namespace+0x1cf/0x235 [ 1321.606753] [] kernel_init_freeable+0x4fa/0x518 [ 1321.627564] [] kernel_init+0x16/0x181 [ 1321.646363] [] ret_from_fork+0x1f/0x40 [ 1321.665521] [] ? rest_init+0x8f/0x8f [ 1321.683869] ================================================================================ [ 1321.717572] EXT4-fs (sda): couldn't mount as ext3 due to feature incompatibilities [ 1321.745095] ================================================================================ [ 1321.775590] UBSAN: Undefined behaviour in fs/ext4/super.c:4229:16 [ 1321.797636] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1321.829259] which requires 64 byte alignment [ 1321.843816] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1321.862723] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1321.902268] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1321.931870] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1321.959760] ffff880000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1321.988660] Call Trace: [ 1321.997032] [] dump_stack+0xd7/0x132 [ 1322.014538] [] ? arch_local_irq_restore+0x1b/0x1b [ 1322.039292] [] ubsan_epilogue+0x12/0x53 [ 1322.058250] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1322.081158] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1322.108845] [] ext4_fill_super+0x9cc3/0xa2df [ 1322.130798] [] ? console_unlock+0x6a9/0x6b8 [ 1322.157845] [] ? vprintk_emit+0x636/0x647 [ 1322.180124] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1322.205634] [] ? ubsan_epilogue+0x26/0x53 [ 1322.226288] [] ? arch_local_irq_restore+0x6/0xd [ 1322.246381] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1322.276691] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1322.302920] [] ? scnprintf+0xf3/0xf3 [ 1322.320478] [] mount_bdev+0x3cf/0x602 [ 1322.338655] [] ? mount_bdev+0x3cf/0x602 [ 1322.360299] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1322.394300] [] ext4_mount+0x3c/0x3e [ 1322.419722] [] mount_fs+0xd0/0x2ca [ 1322.438135] [] vfs_kern_mount+0xa0/0x20a [ 1322.457768] [] do_mount+0x11fe/0x19df [ 1322.474793] [] ? kasan_kmalloc+0x94/0xa3 [ 1322.494262] [] ? copy_mount_string+0x3d/0x3d [ 1322.511547] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1322.535272] [] ? __check_object_size+0x1e1/0x2b8 [ 1322.559330] [] ? 0xffffffffb1c002b8 [ 1322.578329] [] ? copy_mount_options+0x23d/0x24d [ 1322.599113] [] SyS_mount+0xa3/0xda [ 1322.615649] [] mount_block_root+0x2fc/0x650 [ 1322.642247] [] ? init_rootfs+0x99/0x99 [ 1322.661739] [] ? security_file_ioctl+0xa5/0xb4 [ 1322.681910] [] ? SyS_mknod+0x2f/0x36 [ 1322.700963] [] mount_root+0x45/0x48 [ 1322.721356] [] prepare_namespace+0x1cf/0x235 [ 1322.742321] [] kernel_init_freeable+0x4fa/0x518 [ 1322.761713] [] kernel_init+0x16/0x181 [ 1322.780536] [] ret_from_fork+0x1f/0x40 [ 1322.804329] [] ? rest_init+0x8f/0x8f [ 1322.823959] ================================================================================ [ 1322.856425] ================================================================================ [ 1322.882843] UBSAN: Undefined behaviour in fs/super.c:306:27 [ 1322.904288] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1322.936555] which requires 64 byte alignment [ 1322.952341] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1322.974513] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1323.004462] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa20 ffffffffb26ec5cc [ 1323.028617] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1323.056667] 0000000000000010 ffff88005c9dfa48 ffff88005c9df9f8 ffffffffb363c3e0 [ 1323.080553] Call Trace: [ 1323.090165] [] dump_stack+0xd7/0x132 [ 1323.108041] [] ? arch_local_irq_restore+0x1b/0x1b [ 1323.131622] [] ubsan_epilogue+0x12/0x53 [ 1323.152580] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1323.174319] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1323.198463] [] ? scnprintf+0xf3/0xf3 [ 1323.216616] [] deactivate_locked_super+0x2d/0xca [ 1323.242535] [] mount_bdev+0x3e4/0x602 [ 1323.260890] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1323.284876] [] ext4_mount+0x3c/0x3e [ 1323.303093] [] mount_fs+0xd0/0x2ca [ 1323.320154] [] vfs_kern_mount+0xa0/0x20a [ 1323.341585] [] do_mount+0x11fe/0x19df [ 1323.360497] [] ? kasan_kmalloc+0x94/0xa3 [ 1323.380355] [] ? copy_mount_string+0x3d/0x3d [ 1323.400084] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1323.423679] [] ? __check_object_size+0x1e1/0x2b8 [ 1323.442715] [] ? 0xffffffffb1c002b8 [ 1323.461341] [] ? copy_mount_options+0x23d/0x24d [ 1323.485414] [] SyS_mount+0xa3/0xda [ 1323.501614] [] mount_block_root+0x2fc/0x650 [ 1323.525655] [] ? init_rootfs+0x99/0x99 [ 1323.544691] [] ? security_file_ioctl+0xa5/0xb4 [ 1323.566043] [] ? SyS_mknod+0x2f/0x36 [ 1323.591227] [] mount_root+0x45/0x48 [ 1323.608435] [] prepare_namespace+0x1cf/0x235 [ 1323.628464] [] kernel_init_freeable+0x4fa/0x518 [ 1323.650316] [] kernel_init+0x16/0x181 [ 1323.686716] [] ret_from_fork+0x1f/0x40 [ 1323.741324] [] ? rest_init+0x8f/0x8f [ 1323.798651] ================================================================================ [ 1323.887434] ================================================================================ [ 1323.918558] UBSAN: Undefined behaviour in mm/cleancache.c:296:10 [ 1323.942646] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1323.975595] which requires 64 byte alignment [ 1323.992758] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1324.009863] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1324.044092] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa00 ffffffffb26ec5cc [ 1324.071808] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1324.099306] 0000000000000010 ffff88005c9dfa28 ffff88005c9df9d8 ffffffffb363c3e0 [ 1324.125144] Call Trace: [ 1324.131455] [] dump_stack+0xd7/0x132 [ 1324.149539] [] ? arch_local_irq_restore+0x1b/0x1b [ 1324.168923] [] ubsan_epilogue+0x12/0x53 [ 1324.189512] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1324.213835] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1324.238849] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1324.261992] [] ? scnprintf+0xf3/0xf3 [ 1324.280378] [] __cleancache_invalidate_fs+0x2d/0xae [ 1324.303409] [] deactivate_locked_super+0x50/0xca [ 1324.325346] [] mount_bdev+0x3e4/0x602 [ 1324.344382] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1324.368565] [] ext4_mount+0x3c/0x3e [ 1324.388029] [] mount_fs+0xd0/0x2ca [ 1324.407330] [] vfs_kern_mount+0xa0/0x20a [ 1324.427767] [] do_mount+0x11fe/0x19df [ 1324.444881] [] ? kasan_kmalloc+0x94/0xa3 [ 1324.464248] [] ? copy_mount_string+0x3d/0x3d [ 1324.485199] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1324.508146] [] ? __check_object_size+0x1e1/0x2b8 [ 1324.528983] [] ? 0xffffffffb1c002b8 [ 1324.547116] [] ? copy_mount_options+0x23d/0x24d [ 1324.565448] [] SyS_mount+0xa3/0xda [ 1324.583894] [] mount_block_root+0x2fc/0x650 [ 1324.606234] [] ? init_rootfs+0x99/0x99 [ 1324.625647] [] ? security_file_ioctl+0xa5/0xb4 [ 1324.646070] [] ? SyS_mknod+0x2f/0x36 [ 1324.662473] [] mount_root+0x45/0x48 [ 1324.680875] [] prepare_namespace+0x1cf/0x235 [ 1324.700181] [] kernel_init_freeable+0x4fa/0x518 [ 1324.724230] [] kernel_init+0x16/0x181 [ 1324.741838] [] ret_from_fork+0x1f/0x40 [ 1324.761281] [] ? rest_init+0x8f/0x8f [ 1324.780095] ================================================================================ [ 1324.810292] ================================================================================ [ 1324.844108] UBSAN: Undefined behaviour in mm/cleancache.c:297:24 [ 1324.864537] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1324.899007] which requires 64 byte alignment [ 1324.915071] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1324.936174] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1324.968944] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa00 ffffffffb26ec5cc [ 1324.997643] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1325.024329] ffff880000000010 ffff88005c9dfa28 ffff88005c9df9d8 ffffffffb363c3e0 [ 1325.050352] Call Trace: [ 1325.060156] [] dump_stack+0xd7/0x132 [ 1325.078478] [] ? arch_local_irq_restore+0x1b/0x1b [ 1325.100174] [] ubsan_epilogue+0x12/0x53 [ 1325.118744] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1325.144264] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1325.167121] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1325.194145] [] ? scnprintf+0xf3/0xf3 [ 1325.210631] [] __cleancache_invalidate_fs+0x59/0xae [ 1325.233329] [] deactivate_locked_super+0x50/0xca [ 1325.256520] [] mount_bdev+0x3e4/0x602 [ 1325.273841] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1325.295409] [] ext4_mount+0x3c/0x3e [ 1325.310679] [] mount_fs+0xd0/0x2ca [ 1325.328248] [] vfs_kern_mount+0xa0/0x20a [ 1325.347024] [] do_mount+0x11fe/0x19df [ 1325.364798] [] ? kasan_kmalloc+0x94/0xa3 [ 1325.385459] [] ? copy_mount_string+0x3d/0x3d [ 1325.408205] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1325.429169] [] ? __check_object_size+0x1e1/0x2b8 [ 1325.453930] [] ? 0xffffffffb1c002b8 [ 1325.470934] [] ? copy_mount_options+0x23d/0x24d [ 1325.495458] [] SyS_mount+0xa3/0xda [ 1325.521182] [] mount_block_root+0x2fc/0x650 [ 1325.549709] [] ? init_rootfs+0x99/0x99 [ 1325.586052] [] ? security_file_ioctl+0xa5/0xb4 [ 1325.645426] [] ? SyS_mknod+0x2f/0x36 [ 1325.681467] [] mount_root+0x45/0x48 [ 1325.707659] [] prepare_namespace+0x1cf/0x235 [ 1325.735658] [] kernel_init_freeable+0x4fa/0x518 [ 1325.761579] [] kernel_init+0x16/0x181 [ 1325.781794] [] ret_from_fork+0x1f/0x40 [ 1325.799935] [] ? rest_init+0x8f/0x8f [ 1325.820799] ================================================================================ [ 1325.865068] ================================================================================ [ 1325.895766] UBSAN: Undefined behaviour in fs/super.c:1120:23 [ 1325.915545] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1325.945953] which requires 64 byte alignment [ 1325.960315] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1325.978980] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1326.011556] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9f0 ffffffffb26ec5cc [ 1326.038876] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1326.063266] ffffed0000000010 ffff88005c9dfa18 ffff88005c9df9c8 ffffffffb363c3e0 [ 1326.093925] Call Trace: [ 1326.106401] [] dump_stack+0xd7/0x132 [ 1326.122815] [] ? arch_local_irq_restore+0x1b/0x1b [ 1326.155160] [] ubsan_epilogue+0x12/0x53 [ 1326.178405] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1326.208449] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1326.262194] [] ? slab_free_freelist_hook+0x129/0x134 [ 1326.303518] [] ? kfree+0x14f/0x374 [ 1326.339162] [] kill_block_super+0x32/0x20b [ 1326.382129] [] deactivate_locked_super+0x88/0xca [ 1326.413183] [] mount_bdev+0x3e4/0x602 [ 1326.433672] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1326.459463] [] ext4_mount+0x3c/0x3e [ 1326.478464] [] mount_fs+0xd0/0x2ca [ 1326.498632] [] vfs_kern_mount+0xa0/0x20a [ 1326.516126] [] do_mount+0x11fe/0x19df [ 1326.533897] [] ? kasan_kmalloc+0x94/0xa3 [ 1326.553292] [] ? copy_mount_string+0x3d/0x3d [ 1326.575161] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1326.597455] [] ? __check_object_size+0x1e1/0x2b8 [ 1326.617829] [] ? 0xffffffffb1c002b8 [ 1326.636579] [] ? copy_mount_options+0x23d/0x24d [ 1326.659725] [] SyS_mount+0xa3/0xda [ 1326.676001] [] mount_block_root+0x2fc/0x650 [ 1326.696014] [] ? init_rootfs+0x99/0x99 [ 1326.712476] [] ? security_file_ioctl+0xa5/0xb4 [ 1326.732126] [] ? SyS_mknod+0x2f/0x36 [ 1326.747123] [] mount_root+0x45/0x48 [ 1326.764940] [] prepare_namespace+0x1cf/0x235 [ 1326.785402] [] kernel_init_freeable+0x4fa/0x518 [ 1326.814391] [] kernel_init+0x16/0x181 [ 1326.834544] [] ret_from_fork+0x1f/0x40 [ 1326.856485] [] ? rest_init+0x8f/0x8f [ 1326.872143] ================================================================================ [ 1326.901453] ================================================================================ [ 1326.929335] UBSAN: Undefined behaviour in fs/super.c:1121:10 [ 1326.946958] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1326.979278] which requires 64 byte alignment [ 1326.994642] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1327.015722] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1327.048384] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9f0 ffffffffb26ec5cc [ 1327.077164] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1327.105814] ffff880000000010 ffff88005c9dfa18 ffff88005c9df9c8 ffffffffb363c3e0 [ 1327.132064] Call Trace: [ 1327.141954] [] dump_stack+0xd7/0x132 [ 1327.161042] [] ? arch_local_irq_restore+0x1b/0x1b [ 1327.183132] [] ubsan_epilogue+0x12/0x53 [ 1327.202183] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1327.231272] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1327.259739] [] ? slab_free_freelist_hook+0x129/0x134 [ 1327.281002] [] ? kfree+0x14f/0x374 [ 1327.299042] [] kill_block_super+0x61/0x20b [ 1327.318756] [] deactivate_locked_super+0x88/0xca [ 1327.338071] [] mount_bdev+0x3e4/0x602 [ 1327.358639] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1327.379802] [] ext4_mount+0x3c/0x3e [ 1327.398860] [] mount_fs+0xd0/0x2ca [ 1327.426182] [] vfs_kern_mount+0xa0/0x20a [ 1327.469507] [] do_mount+0x11fe/0x19df [ 1327.511594] [] ? kasan_kmalloc+0x94/0xa3 [ 1327.550435] [] ? copy_mount_string+0x3d/0x3d [ 1327.595182] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1327.620223] [] ? __check_object_size+0x1e1/0x2b8 [ 1327.640453] [] ? 0xffffffffb1c002b8 [ 1327.657145] [] ? copy_mount_options+0x23d/0x24d [ 1327.676844] [] SyS_mount+0xa3/0xda [ 1327.693639] [] mount_block_root+0x2fc/0x650 [ 1327.711029] [] ? init_rootfs+0x99/0x99 [ 1327.726714] [] ? security_file_ioctl+0xa5/0xb4 [ 1327.747409] [] ? SyS_mknod+0x2f/0x36 [ 1327.764893] [] mount_root+0x45/0x48 [ 1327.781851] [] prepare_namespace+0x1cf/0x235 [ 1327.803791] [] kernel_init_freeable+0x4fa/0x518 [ 1327.825300] [] kernel_init+0x16/0x181 [ 1327.840226] [] ret_from_fork+0x1f/0x40 [ 1327.859855] [] ? rest_init+0x8f/0x8f [ 1327.877803] ================================================================================ [ 1327.906441] ================================================================================ [ 1327.931814] UBSAN: Undefined behaviour in fs/super.c:419:33 [ 1327.949992] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1327.978928] which requires 64 byte alignment [ 1327.992014] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1328.013821] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1328.045587] 00000000ffffffff 00000000b1a89c60 ffff88005c9df958 ffffffffb26ec5cc [ 1328.072043] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1328.095166] ffff880000000010 ffff88005c9df980 ffff88005c9df930 ffffffffb363c3e0 [ 1328.121089] Call Trace: [ 1328.128541] [] dump_stack+0xd7/0x132 [ 1328.145412] [] ? arch_local_irq_restore+0x1b/0x1b [ 1328.166527] [] ubsan_epilogue+0x12/0x53 [ 1328.182572] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1328.205998] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1328.229097] [] generic_shutdown_super+0x86/0x3ee [ 1328.248783] [] ? destroy_super+0x151/0x151 [ 1328.268748] [] ? slab_free_freelist_hook+0x129/0x134 [ 1328.293214] [] ? kfree+0x14f/0x374 [ 1328.309526] [] kill_block_super+0xa8/0x20b [ 1328.329401] [] deactivate_locked_super+0x88/0xca [ 1328.348815] [] mount_bdev+0x3e4/0x602 [ 1328.364775] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1328.385868] [] ext4_mount+0x3c/0x3e [ 1328.407310] [] mount_fs+0xd0/0x2ca [ 1328.424795] [] vfs_kern_mount+0xa0/0x20a [ 1328.444111] [] do_mount+0x11fe/0x19df [ 1328.462200] [] ? kasan_kmalloc+0x94/0xa3 [ 1328.480917] [] ? copy_mount_string+0x3d/0x3d [ 1328.501646] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1328.524719] [] ? __check_object_size+0x1e1/0x2b8 [ 1328.544835] [] ? 0xffffffffb1c002b8 [ 1328.561900] [] ? copy_mount_options+0x23d/0x24d [ 1328.581961] [] SyS_mount+0xa3/0xda [ 1328.600067] [] mount_block_root+0x2fc/0x650 [ 1328.618881] [] ? init_rootfs+0x99/0x99 [ 1328.638172] [] ? security_file_ioctl+0xa5/0xb4 [ 1328.658587] [] ? SyS_mknod+0x2f/0x36 [ 1328.674336] [] mount_root+0x45/0x48 [ 1328.689247] [] prepare_namespace+0x1cf/0x235 [ 1328.709959] [] kernel_init_freeable+0x4fa/0x518 [ 1328.729938] [] kernel_init+0x16/0x181 [ 1328.745527] [] ret_from_fork+0x1f/0x40 [ 1328.763816] [] ? rest_init+0x8f/0x8f [ 1328.781073] ================================================================================ [ 1328.811471] ================================================================================ [ 1328.837174] UBSAN: Undefined behaviour in fs/super.c:421:8 [ 1328.856726] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1328.882711] which requires 64 byte alignment [ 1328.897931] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1328.918118] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1328.950211] 00000000ffffffff 00000000b1a89c60 ffff88005c9df958 ffffffffb26ec5cc [ 1328.977602] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1329.000134] ffffffff00000010 ffff88005c9df980 ffff88005c9df930 ffffffffb363c3e0 [ 1329.027459] Call Trace: [ 1329.035769] [] dump_stack+0xd7/0x132 [ 1329.052022] [] ? arch_local_irq_restore+0x1b/0x1b [ 1329.074515] [] ubsan_epilogue+0x12/0x53 [ 1329.089943] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1329.113885] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1329.135830] [] generic_shutdown_super+0xac/0x3ee [ 1329.158193] [] ? destroy_super+0x151/0x151 [ 1329.178829] [] ? slab_free_freelist_hook+0x129/0x134 [ 1329.199911] [] ? kfree+0x14f/0x374 [ 1329.217398] [] kill_block_super+0xa8/0x20b [ 1329.237718] [] deactivate_locked_super+0x88/0xca [ 1329.257591] [] mount_bdev+0x3e4/0x602 [ 1329.276122] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1329.297229] [] ext4_mount+0x3c/0x3e [ 1329.311711] [] mount_fs+0xd0/0x2ca [ 1329.327559] [] vfs_kern_mount+0xa0/0x20a [ 1329.346757] [] do_mount+0x11fe/0x19df [ 1329.361595] [] ? kasan_kmalloc+0x94/0xa3 [ 1329.380665] [] ? copy_mount_string+0x3d/0x3d [ 1329.398649] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1329.418445] [] ? __check_object_size+0x1e1/0x2b8 [ 1329.436639] [] ? 0xffffffffb1c002b8 [ 1329.451835] [] ? copy_mount_options+0x23d/0x24d [ 1329.474304] [] SyS_mount+0xa3/0xda [ 1329.488030] [] mount_block_root+0x2fc/0x650 [ 1329.507062] [] ? init_rootfs+0x99/0x99 [ 1329.525271] [] ? security_file_ioctl+0xa5/0xb4 [ 1329.547031] [] ? SyS_mknod+0x2f/0x36 [ 1329.561586] [] mount_root+0x45/0x48 [ 1329.579855] [] prepare_namespace+0x1cf/0x235 [ 1329.600334] [] kernel_init_freeable+0x4fa/0x518 [ 1329.619796] [] kernel_init+0x16/0x181 [ 1329.637610] [] ret_from_fork+0x1f/0x40 [ 1329.658379] [] ? rest_init+0x8f/0x8f [ 1329.677200] ================================================================================ [ 1329.707471] ================================================================================ [ 1329.730551] UBSAN: Undefined behaviour in fs/super.c:1127:8 [ 1329.747079] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1329.778520] which requires 64 byte alignment [ 1329.790869] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1329.812363] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1329.845213] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9f0 ffffffffb26ec5cc [ 1329.869836] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1329.895901] 0000000000000010 ffff88005c9dfa18 ffff88005c9df9c8 ffffffffb363c3e0 [ 1329.920048] Call Trace: [ 1329.926682] [] dump_stack+0xd7/0x132 [ 1329.944726] [] ? arch_local_irq_restore+0x1b/0x1b [ 1329.963952] [] ubsan_epilogue+0x12/0x53 [ 1329.980815] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1330.002841] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1330.028335] [] ? __sync_blockdev+0xdb/0xe4 [ 1330.047904] [] kill_block_super+0x124/0x20b [ 1330.068738] [] deactivate_locked_super+0x88/0xca [ 1330.088380] [] mount_bdev+0x3e4/0x602 [ 1330.105588] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1330.127599] [] ext4_mount+0x3c/0x3e [ 1330.143666] [] mount_fs+0xd0/0x2ca [ 1330.160710] [] vfs_kern_mount+0xa0/0x20a [ 1330.178909] [] do_mount+0x11fe/0x19df [ 1330.194179] [] ? kasan_kmalloc+0x94/0xa3 [ 1330.212071] [] ? copy_mount_string+0x3d/0x3d [ 1330.229849] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1330.251307] [] ? __check_object_size+0x1e1/0x2b8 [ 1330.271754] [] ? 0xffffffffb1c002b8 [ 1330.285988] [] ? copy_mount_options+0x23d/0x24d [ 1330.306894] [] SyS_mount+0xa3/0xda [ 1330.324883] [] mount_block_root+0x2fc/0x650 [ 1330.346479] [] ? init_rootfs+0x99/0x99 [ 1330.363077] [] ? security_file_ioctl+0xa5/0xb4 [ 1330.382595] [] ? SyS_mknod+0x2f/0x36 [ 1330.398927] [] mount_root+0x45/0x48 [ 1330.416370] [] prepare_namespace+0x1cf/0x235 [ 1330.436099] [] kernel_init_freeable+0x4fa/0x518 [ 1330.458059] [] kernel_init+0x16/0x181 [ 1330.475000] [] ret_from_fork+0x1f/0x40 [ 1330.490818] [] ? rest_init+0x8f/0x8f [ 1330.506540] ================================================================================ [ 1330.541376] ================================================================================ [ 1330.566923] UBSAN: Undefined behaviour in mm/list_lru.c:49:23 [ 1330.585371] member access within misaligned address ffff88005c6b4ec8 for type 'struct list_lru_node' [ 1330.615062] which requires 64 byte alignment [ 1330.628272] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1330.647581] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1330.676031] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9e0 ffffffffb26ec5cc [ 1330.702036] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1330.728101] 0000000000000010 ffff88005c9dfa08 ffff88005c9df9b8 ffffffffb363c3e0 [ 1330.753923] Call Trace: [ 1330.765241] [] dump_stack+0xd7/0x132 [ 1330.784605] [] ? arch_local_irq_restore+0x1b/0x1b [ 1330.806920] [] ubsan_epilogue+0x12/0x53 [ 1330.826159] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1330.850448] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1330.875063] [] list_lru_destroy+0xaf/0x20f [ 1330.895318] [] deactivate_locked_super+0x94/0xca [ 1330.917119] [] mount_bdev+0x3e4/0x602 [ 1330.933222] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1330.954465] [] ext4_mount+0x3c/0x3e [ 1330.971914] [] mount_fs+0xd0/0x2ca [ 1330.985513] [] vfs_kern_mount+0xa0/0x20a [ 1331.005102] [] do_mount+0x11fe/0x19df [ 1331.025987] [] ? kasan_kmalloc+0x94/0xa3 [ 1331.045392] [] ? copy_mount_string+0x3d/0x3d [ 1331.061999] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1331.080918] [] ? __check_object_size+0x1e1/0x2b8 [ 1331.099409] [] ? 0xffffffffb1c002b8 [ 1331.115617] [] ? copy_mount_options+0x23d/0x24d [ 1331.136930] [] SyS_mount+0xa3/0xda [ 1331.153487] [] mount_block_root+0x2fc/0x650 [ 1331.171335] [] ? init_rootfs+0x99/0x99 [ 1331.187068] [] ? security_file_ioctl+0xa5/0xb4 [ 1331.213521] [] ? SyS_mknod+0x2f/0x36 [ 1331.231016] [] mount_root+0x45/0x48 [ 1331.246213] [] prepare_namespace+0x1cf/0x235 [ 1331.266158] [] kernel_init_freeable+0x4fa/0x518 [ 1331.285075] [] kernel_init+0x16/0x181 [ 1331.302309] [] ret_from_fork+0x1f/0x40 [ 1331.321944] [] ? rest_init+0x8f/0x8f [ 1331.341101] ================================================================================ [ 1331.368542] ================================================================================ [ 1331.394665] UBSAN: Undefined behaviour in mm/list_lru.c:344:2 [ 1331.411769] member access within misaligned address ffff88005c6b4ec8 for type 'struct list_lru_node' [ 1331.440875] which requires 64 byte alignment [ 1331.452286] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1331.469834] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1331.499595] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9e0 ffffffffb26ec5cc [ 1331.525648] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1331.550176] ffff880000000010 ffff88005c9dfa08 ffff88005c9df9b8 ffffffffb363c3e0 [ 1331.574105] Call Trace: [ 1331.581734] [] dump_stack+0xd7/0x132 [ 1331.599800] [] ? arch_local_irq_restore+0x1b/0x1b [ 1331.621832] [] ubsan_epilogue+0x12/0x53 [ 1331.637122] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1331.659580] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1331.682223] [] ? find_first_bit+0xa2/0xb1 [ 1331.701462] [] list_lru_destroy+0x1a6/0x20f [ 1331.720229] [] deactivate_locked_super+0x94/0xca [ 1331.742064] [] mount_bdev+0x3e4/0x602 [ 1331.757274] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1331.777433] [] ext4_mount+0x3c/0x3e [ 1331.795935] [] mount_fs+0xd0/0x2ca [ 1331.811335] [] vfs_kern_mount+0xa0/0x20a [ 1331.832624] [] do_mount+0x11fe/0x19df [ 1331.851761] [] ? kasan_kmalloc+0x94/0xa3 [ 1331.869159] [] ? copy_mount_string+0x3d/0x3d [ 1331.886974] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1331.909088] [] ? __check_object_size+0x1e1/0x2b8 [ 1331.928333] [] ? 0xffffffffb1c002b8 [ 1331.944804] [] ? copy_mount_options+0x23d/0x24d [ 1331.964672] [] SyS_mount+0xa3/0xda [ 1331.982162] [] mount_block_root+0x2fc/0x650 [ 1332.001899] [] ? init_rootfs+0x99/0x99 [ 1332.019879] [] ? security_file_ioctl+0xa5/0xb4 [ 1332.039046] [] ? SyS_mknod+0x2f/0x36 [ 1332.057641] [] mount_root+0x45/0x48 [ 1332.075120] [] prepare_namespace+0x1cf/0x235 [ 1332.091176] [] kernel_init_freeable+0x4fa/0x518 [ 1332.112132] [] kernel_init+0x16/0x181 [ 1332.131194] [] ret_from_fork+0x1f/0x40 [ 1332.149464] [] ? rest_init+0x8f/0x8f [ 1332.166608] ================================================================================ [ 1332.197235] ================================================================================ [ 1332.225697] UBSAN: Undefined behaviour in mm/list_lru.c:345:12 [ 1332.241729] member access within misaligned address ffff88005c6b4ec8 for type 'struct list_lru_node' [ 1332.268319] which requires 64 byte alignment [ 1332.284825] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1332.304582] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1332.339082] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9e0 ffffffffb26ec5cc [ 1332.365826] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1332.389967] ffff880000000010 ffff88005c9dfa08 ffff88005c9df9b8 ffffffffb363c3e0 [ 1332.415682] Call Trace: [ 1332.422193] [] dump_stack+0xd7/0x132 [ 1332.441439] [] ? arch_local_irq_restore+0x1b/0x1b [ 1332.460650] [] ubsan_epilogue+0x12/0x53 [ 1332.481007] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1332.502989] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1332.529268] [] list_lru_destroy+0x1dc/0x20f [ 1332.548118] [] deactivate_locked_super+0x94/0xca [ 1332.565003] [] mount_bdev+0x3e4/0x602 [ 1332.582578] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1332.603495] [] ext4_mount+0x3c/0x3e [ 1332.621317] [] mount_fs+0xd0/0x2ca [ 1332.636149] [] vfs_kern_mount+0xa0/0x20a [ 1332.656451] [] do_mount+0x11fe/0x19df [ 1332.674225] [] ? kasan_kmalloc+0x94/0xa3 [ 1332.689715] [] ? copy_mount_string+0x3d/0x3d [ 1332.712059] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1332.733506] [] ? __check_object_size+0x1e1/0x2b8 [ 1332.752712] [] ? 0xffffffffb1c002b8 [ 1332.768747] [] ? copy_mount_options+0x23d/0x24d [ 1332.790731] [] SyS_mount+0xa3/0xda [ 1332.810255] [] mount_block_root+0x2fc/0x650 [ 1332.831490] [] ? init_rootfs+0x99/0x99 [ 1332.847133] [] ? security_file_ioctl+0xa5/0xb4 [ 1332.865380] [] ? SyS_mknod+0x2f/0x36 [ 1332.881330] [] mount_root+0x45/0x48 [ 1332.901394] [] prepare_namespace+0x1cf/0x235 [ 1332.922422] [] kernel_init_freeable+0x4fa/0x518 [ 1332.944215] [] kernel_init+0x16/0x181 [ 1332.961176] [] ret_from_fork+0x1f/0x40 [ 1332.978258] [] ? rest_init+0x8f/0x8f [ 1332.994735] ================================================================================ [ 1333.020153] ================================================================================ [ 1333.043967] UBSAN: Undefined behaviour in fs/super.c:169:2 [ 1333.061665] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1333.089740] which requires 64 byte alignment [ 1333.103723] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1333.124077] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1333.150575] 00000000ffffffff 00000000b1a89c60 ffff88005c9df960 ffffffffb26ec5cc [ 1333.174713] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1333.199636] ffff880000000010 ffff88005c9df988 ffff88005c9df938 ffffffffb363c3e0 [ 1333.226734] Call Trace: [ 1333.233262] [] dump_stack+0xd7/0x132 [ 1333.251379] [] ? arch_local_irq_restore+0x1b/0x1b [ 1333.275071] [] ubsan_epilogue+0x12/0x53 [ 1333.291370] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1333.314462] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1333.339761] [] ? __list_del_entry+0x20c/0x242 [ 1333.361281] [] destroy_super+0x9d/0x151 [ 1333.379254] [] __put_super+0x14a/0x180 [ 1333.398182] [] ? __sb_start_write+0x76/0x76 [ 1333.418924] [] ? list_lru_destroy+0xef/0x20f [ 1333.441587] [] put_super+0x26/0x35 [ 1333.455049] [] deactivate_locked_super+0xb0/0xca [ 1333.475038] [] mount_bdev+0x3e4/0x602 [ 1333.490831] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1333.513211] [] ext4_mount+0x3c/0x3e [ 1333.529348] [] mount_fs+0xd0/0x2ca [ 1333.546764] [] vfs_kern_mount+0xa0/0x20a [ 1333.564456] [] do_mount+0x11fe/0x19df [ 1333.583116] [] ? kasan_kmalloc+0x94/0xa3 [ 1333.603352] [] ? copy_mount_string+0x3d/0x3d [ 1333.623462] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1333.644296] [] ? __check_object_size+0x1e1/0x2b8 [ 1333.664788] [] ? 0xffffffffb1c002b8 [ 1333.682338] [] ? copy_mount_options+0x23d/0x24d [ 1333.702307] [] SyS_mount+0xa3/0xda [ 1333.718827] [] mount_block_root+0x2fc/0x650 [ 1333.736680] [] ? init_rootfs+0x99/0x99 [ 1333.754216] [] ? security_file_ioctl+0xa5/0xb4 [ 1333.774905] [] ? SyS_mknod+0x2f/0x36 [ 1333.789988] [] mount_root+0x45/0x48 [ 1333.807560] [] prepare_namespace+0x1cf/0x235 [ 1333.825652] [] kernel_init_freeable+0x4fa/0x518 [ 1333.846634] [] kernel_init+0x16/0x181 [ 1333.866690] [] ret_from_fork+0x1f/0x40 [ 1333.881180] [] ? rest_init+0x8f/0x8f [ 1333.898998] ================================================================================ [ 1333.926486] ================================================================================ [ 1333.954327] UBSAN: Undefined behaviour in fs/super.c:170:9 [ 1333.970361] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1333.997991] which requires 64 byte alignment [ 1334.013677] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1334.034898] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1334.066024] 00000000ffffffff 00000000b1a89c60 ffff88005c9df960 ffffffffb26ec5cc [ 1334.094730] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1334.119231] ffff880000000010 ffff88005c9df988 ffff88005c9df938 ffffffffb363c3e0 [ 1334.144913] Call Trace: [ 1334.152117] [] dump_stack+0xd7/0x132 [ 1334.167409] [] ? arch_local_irq_restore+0x1b/0x1b [ 1334.187529] [] ubsan_epilogue+0x12/0x53 [ 1334.204386] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1334.227939] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1334.254760] [] ? __list_del_entry+0x20c/0x242 [ 1334.277585] [] destroy_super+0xf0/0x151 [ 1334.292919] [] __put_super+0x14a/0x180 [ 1334.312534] [] ? __sb_start_write+0x76/0x76 [ 1334.330188] [] ? list_lru_destroy+0xef/0x20f [ 1334.350570] [] put_super+0x26/0x35 [ 1334.368106] [] deactivate_locked_super+0xb0/0xca [ 1334.387342] [] mount_bdev+0x3e4/0x602 [ 1334.404950] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1334.424254] [] ext4_mount+0x3c/0x3e [ 1334.442317] [] mount_fs+0xd0/0x2ca [ 1334.454425] [] vfs_kern_mount+0xa0/0x20a [ 1334.471105] [] do_mount+0x11fe/0x19df [ 1334.487344] [] ? kasan_kmalloc+0x94/0xa3 [ 1334.503999] [] ? copy_mount_string+0x3d/0x3d [ 1334.523434] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1334.541922] [] ? __check_object_size+0x1e1/0x2b8 [ 1334.560401] [] ? 0xffffffffb1c002b8 [ 1334.578710] [] ? copy_mount_options+0x23d/0x24d [ 1334.598870] [] SyS_mount+0xa3/0xda [ 1334.614223] [] mount_block_root+0x2fc/0x650 [ 1334.631514] [] ? init_rootfs+0x99/0x99 [ 1334.648696] [] ? security_file_ioctl+0xa5/0xb4 [ 1334.666452] [] ? SyS_mknod+0x2f/0x36 [ 1334.683870] [] mount_root+0x45/0x48 [ 1334.702237] [] prepare_namespace+0x1cf/0x235 [ 1334.721097] [] kernel_init_freeable+0x4fa/0x518 [ 1334.740263] [] kernel_init+0x16/0x181 [ 1334.756356] [] ret_from_fork+0x1f/0x40 [ 1334.774006] [] ? rest_init+0x8f/0x8f [ 1334.789661] ================================================================================ [ 1334.819015] ================================================================================ [ 1334.844982] UBSAN: Undefined behaviour in fs/super.c:171:9 [ 1334.861831] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1334.891766] which requires 64 byte alignment [ 1334.904179] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1334.924305] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1334.954579] 00000000ffffffff 00000000b1a89c60 ffff88005c9df960 ffffffffb26ec5cc [ 1334.978657] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1335.001258] ffff880000000010 ffff88005c9df988 ffff88005c9df938 ffffffffb363c3e0 [ 1335.026896] Call Trace: [ 1335.033799] [] dump_stack+0xd7/0x132 [ 1335.048032] [] ? arch_local_irq_restore+0x1b/0x1b [ 1335.069758] [] ubsan_epilogue+0x12/0x53 [ 1335.086579] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1335.110230] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1335.135514] [] ? __list_del_entry+0x20c/0x242 [ 1335.152933] [] destroy_super+0x121/0x151 [ 1335.167803] [] __put_super+0x14a/0x180 [ 1335.187980] [] ? __sb_start_write+0x76/0x76 [ 1335.205299] [] ? list_lru_destroy+0xef/0x20f [ 1335.226968] [] put_super+0x26/0x35 [ 1335.245581] [] deactivate_locked_super+0xb0/0xca [ 1335.265817] [] mount_bdev+0x3e4/0x602 [ 1335.284091] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1335.304404] [] ext4_mount+0x3c/0x3e [ 1335.321088] [] mount_fs+0xd0/0x2ca [ 1335.338806] [] vfs_kern_mount+0xa0/0x20a [ 1335.355278] [] do_mount+0x11fe/0x19df [ 1335.372834] [] ? kasan_kmalloc+0x94/0xa3 [ 1335.392876] [] ? copy_mount_string+0x3d/0x3d [ 1335.409213] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1335.430763] [] ? __check_object_size+0x1e1/0x2b8 [ 1335.450112] [] ? 0xffffffffb1c002b8 [ 1335.466111] [] ? copy_mount_options+0x23d/0x24d [ 1335.484503] [] SyS_mount+0xa3/0xda [ 1335.501439] [] mount_block_root+0x2fc/0x650 [ 1335.520951] [] ? init_rootfs+0x99/0x99 [ 1335.537832] [] ? security_file_ioctl+0xa5/0xb4 [ 1335.558657] [] ? SyS_mknod+0x2f/0x36 [ 1335.573358] [] mount_root+0x45/0x48 [ 1335.587851] [] prepare_namespace+0x1cf/0x235 [ 1335.607638] [] kernel_init_freeable+0x4fa/0x518 [ 1335.629549] [] kernel_init+0x16/0x181 [ 1335.647873] [] ret_from_fork+0x1f/0x40 [ 1335.663541] [] ? rest_init+0x8f/0x8f [ 1335.681753] ================================================================================ [ 1335.707892] ================================================================================ [ 1335.736965] UBSAN: Undefined behaviour in fs/ext4/super.c:3308:25 [ 1335.755456] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1335.783581] which requires 64 byte alignment [ 1335.799945] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1335.817419] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1335.848941] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1335.877394] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1335.900320] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1335.926213] Call Trace: [ 1335.935589] [] dump_stack+0xd7/0x132 [ 1335.952627] [] ? arch_local_irq_restore+0x1b/0x1b [ 1335.972595] [] ubsan_epilogue+0x12/0x53 [ 1335.989734] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1336.011816] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1336.037008] [] ext4_fill_super+0x28d/0xa2df [ 1336.054951] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1336.077018] [] ? netdev_bits+0x92/0x92 [ 1336.094178] [] ? format_decode+0x73a/0x749 [ 1336.113364] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1336.136286] [] ? vsnprintf+0x1a0/0xa32 [ 1336.155918] [] ? pointer+0x7a9/0x7a9 [ 1336.172605] [] ? set_bdev_super+0x15d/0x15d [ 1336.189591] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1336.211751] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1336.239207] [] ? scnprintf+0xf3/0xf3 [ 1336.256036] [] mount_bdev+0x3cf/0x602 [ 1336.275143] [] ? mount_bdev+0x3cf/0x602 [ 1336.291220] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1336.313210] [] ext4_mount+0x3c/0x3e [ 1336.332040] [] mount_fs+0xd0/0x2ca [ 1336.348761] [] vfs_kern_mount+0xa0/0x20a [ 1336.365879] [] do_mount+0x11fe/0x19df [ 1336.383177] [] ? kasan_kmalloc+0x94/0xa3 [ 1336.401081] [] ? copy_mount_string+0x3d/0x3d [ 1336.422788] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1336.445174] [] ? __check_object_size+0x1e1/0x2b8 [ 1336.464823] [] ? 0xffffffffb1c002b8 [ 1336.480047] [] ? copy_mount_options+0x23d/0x24d [ 1336.500619] [] SyS_mount+0xa3/0xda [ 1336.519895] [] mount_block_root+0x2fc/0x650 [ 1336.537849] [] ? init_rootfs+0x99/0x99 [ 1336.555300] [] ? security_file_ioctl+0xa5/0xb4 [ 1336.585598] [] ? SyS_mknod+0x2f/0x36 [ 1336.606637] [] mount_root+0x45/0x48 [ 1336.623726] [] prepare_namespace+0x1cf/0x235 [ 1336.644894] [] kernel_init_freeable+0x4fa/0x518 [ 1336.662485] [] kernel_init+0x16/0x181 [ 1336.680300] [] ret_from_fork+0x1f/0x40 [ 1336.696966] [] ? rest_init+0x8f/0x8f [ 1336.712891] ================================================================================ [ 1336.744006] ================================================================================ [ 1336.769552] UBSAN: Undefined behaviour in fs/ext4/super.c:3310:10 [ 1336.786429] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1336.820459] which requires 64 byte alignment [ 1336.836143] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1336.855662] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1336.887929] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1336.913148] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1336.940125] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1336.968213] Call Trace: [ 1336.978598] [] dump_stack+0xd7/0x132 [ 1336.995844] [] ? arch_local_irq_restore+0x1b/0x1b [ 1337.016130] [] ubsan_epilogue+0x12/0x53 [ 1337.033522] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1337.057558] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1337.081883] [] ext4_fill_super+0x2c4/0xa2df [ 1337.100566] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1337.120410] [] ? netdev_bits+0x92/0x92 [ 1337.141270] [] ? format_decode+0x73a/0x749 [ 1337.159250] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1337.183144] [] ? vsnprintf+0x1a0/0xa32 [ 1337.200634] [] ? pointer+0x7a9/0x7a9 [ 1337.219488] [] ? set_bdev_super+0x15d/0x15d [ 1337.238250] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1337.263853] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1337.291504] [] ? scnprintf+0xf3/0xf3 [ 1337.306666] [] mount_bdev+0x3cf/0x602 [ 1337.325298] [] ? mount_bdev+0x3cf/0x602 [ 1337.346084] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1337.366329] [] ext4_mount+0x3c/0x3e [ 1337.384799] [] mount_fs+0xd0/0x2ca [ 1337.402533] [] vfs_kern_mount+0xa0/0x20a [ 1337.422964] [] do_mount+0x11fe/0x19df [ 1337.439938] [] ? kasan_kmalloc+0x94/0xa3 [ 1337.458828] [] ? copy_mount_string+0x3d/0x3d [ 1337.479505] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1337.499148] [] ? __check_object_size+0x1e1/0x2b8 [ 1337.520771] [] ? 0xffffffffb1c002b8 [ 1337.539247] [] ? copy_mount_options+0x23d/0x24d [ 1337.559388] [] SyS_mount+0xa3/0xda [ 1337.575505] [] mount_block_root+0x2fc/0x650 [ 1337.594612] [] ? init_rootfs+0x99/0x99 [ 1337.611955] [] ? security_file_ioctl+0xa5/0xb4 [ 1337.632668] [] ? SyS_mknod+0x2f/0x36 [ 1337.651856] [] mount_root+0x45/0x48 [ 1337.670242] [] prepare_namespace+0x1cf/0x235 [ 1337.688084] [] kernel_init_freeable+0x4fa/0x518 [ 1337.712259] [] kernel_init+0x16/0x181 [ 1337.730913] [] ret_from_fork+0x1f/0x40 [ 1337.750988] [] ? rest_init+0x8f/0x8f [ 1337.769056] ================================================================================ [ 1337.797276] ================================================================================ [ 1337.824054] UBSAN: Undefined behaviour in fs/ext4/super.c:3315:12 [ 1337.846425] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1337.880063] which requires 64 byte alignment [ 1337.897653] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1337.917734] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1337.961012] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1337.988128] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1338.018536] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1338.046357] Call Trace: [ 1338.055265] [] dump_stack+0xd7/0x132 [ 1338.073975] [] ? arch_local_irq_restore+0x1b/0x1b [ 1338.098609] [] ubsan_epilogue+0x12/0x53 [ 1338.115909] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1338.139804] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1338.163605] [] ext4_fill_super+0x331/0xa2df [ 1338.183618] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1338.203599] [] ? netdev_bits+0x92/0x92 [ 1338.222288] [] ? format_decode+0x73a/0x749 [ 1338.246404] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1338.264855] [] ? vsnprintf+0x1a0/0xa32 [ 1338.283805] [] ? pointer+0x7a9/0x7a9 [ 1338.301649] [] ? set_bdev_super+0x15d/0x15d [ 1338.322163] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1338.346097] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1338.372837] [] ? scnprintf+0xf3/0xf3 [ 1338.392480] [] mount_bdev+0x3cf/0x602 [ 1338.412465] [] ? mount_bdev+0x3cf/0x602 [ 1338.433477] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1338.455791] [] ext4_mount+0x3c/0x3e [ 1338.472355] [] mount_fs+0xd0/0x2ca [ 1338.488920] [] vfs_kern_mount+0xa0/0x20a [ 1338.505727] [] do_mount+0x11fe/0x19df [ 1338.524988] [] ? kasan_kmalloc+0x94/0xa3 [ 1338.546789] [] ? copy_mount_string+0x3d/0x3d [ 1338.566772] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1338.585453] [] ? __check_object_size+0x1e1/0x2b8 [ 1338.605754] [] ? 0xffffffffb1c002b8 [ 1338.624182] [] ? copy_mount_options+0x23d/0x24d [ 1338.646342] [] SyS_mount+0xa3/0xda [ 1338.663707] [] mount_block_root+0x2fc/0x650 [ 1338.683528] [] ? init_rootfs+0x99/0x99 [ 1338.700620] [] ? security_file_ioctl+0xa5/0xb4 [ 1338.722976] [] ? SyS_mknod+0x2f/0x36 [ 1338.740455] [] mount_root+0x45/0x48 [ 1338.760247] [] prepare_namespace+0x1cf/0x235 [ 1338.782245] [] kernel_init_freeable+0x4fa/0x518 [ 1338.803111] [] kernel_init+0x16/0x181 [ 1338.823053] [] ret_from_fork+0x1f/0x40 [ 1338.840820] [] ? rest_init+0x8f/0x8f [ 1338.861624] ================================================================================ [ 1338.889571] ================================================================================ [ 1338.921298] UBSAN: Undefined behaviour in fs/ext4/super.c:3316:30 [ 1338.940865] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1338.975885] which requires 64 byte alignment [ 1338.990870] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1339.006595] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1339.039647] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1339.067190] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1339.098143] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1339.124687] Call Trace: [ 1339.135048] [] dump_stack+0xd7/0x132 [ 1339.154991] [] ? arch_local_irq_restore+0x1b/0x1b [ 1339.174188] [] ubsan_epilogue+0x12/0x53 [ 1339.192338] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1339.217004] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1339.240019] [] ext4_fill_super+0x35e/0xa2df [ 1339.262247] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1339.282849] [] ? netdev_bits+0x92/0x92 [ 1339.299999] [] ? format_decode+0x73a/0x749 [ 1339.319087] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1339.339165] [] ? vsnprintf+0x1a0/0xa32 [ 1339.358924] [] ? pointer+0x7a9/0x7a9 [ 1339.376286] [] ? set_bdev_super+0x15d/0x15d [ 1339.398256] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1339.421272] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1339.446936] [] ? scnprintf+0xf3/0xf3 [ 1339.464674] [] mount_bdev+0x3cf/0x602 [ 1339.483034] [] ? mount_bdev+0x3cf/0x602 [ 1339.501749] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1339.522934] [] ext4_mount+0x3c/0x3e [ 1339.542199] [] mount_fs+0xd0/0x2ca [ 1339.557060] [] vfs_kern_mount+0xa0/0x20a [ 1339.578487] [] do_mount+0x11fe/0x19df [ 1339.595282] [] ? kasan_kmalloc+0x94/0xa3 [ 1339.616116] [] ? copy_mount_string+0x3d/0x3d [ 1339.634987] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1339.656539] [] ? __check_object_size+0x1e1/0x2b8 [ 1339.675564] [] ? 0xffffffffb1c002b8 [ 1339.692532] [] ? copy_mount_options+0x23d/0x24d [ 1339.712114] [] SyS_mount+0xa3/0xda [ 1339.729278] [] mount_block_root+0x2fc/0x650 [ 1339.754114] [] ? init_rootfs+0x99/0x99 [ 1339.773002] [] ? security_file_ioctl+0xa5/0xb4 [ 1339.794840] [] ? SyS_mknod+0x2f/0x36 [ 1339.812032] [] mount_root+0x45/0x48 [ 1339.830854] [] prepare_namespace+0x1cf/0x235 [ 1339.850746] [] kernel_init_freeable+0x4fa/0x518 [ 1339.872632] [] kernel_init+0x16/0x181 [ 1339.888000] [] ret_from_fork+0x1f/0x40 [ 1339.906198] [] ? rest_init+0x8f/0x8f [ 1339.924932] ================================================================================ [ 1339.955809] ================================================================================ [ 1339.982746] UBSAN: Undefined behaviour in fs/ext4/super.c:3317:18 [ 1340.004619] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1340.036695] which requires 64 byte alignment [ 1340.049749] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1340.070299] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1340.102660] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1340.129454] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1340.154344] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1340.180341] Call Trace: [ 1340.187163] [] dump_stack+0xd7/0x132 [ 1340.204594] [] ? arch_local_irq_restore+0x1b/0x1b [ 1340.225125] [] ubsan_epilogue+0x12/0x53 [ 1340.247174] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1340.271369] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1340.298714] [] ext4_fill_super+0x38f/0xa2df [ 1340.318467] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1340.335721] [] ? netdev_bits+0x92/0x92 [ 1340.353987] [] ? format_decode+0x73a/0x749 [ 1340.374792] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1340.397473] [] ? vsnprintf+0x1a0/0xa32 [ 1340.414618] [] ? pointer+0x7a9/0x7a9 [ 1340.434831] [] ? set_bdev_super+0x15d/0x15d [ 1340.451989] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1340.479503] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1340.504756] [] ? scnprintf+0xf3/0xf3 [ 1340.522912] [] mount_bdev+0x3cf/0x602 [ 1340.542874] [] ? mount_bdev+0x3cf/0x602 [ 1340.563592] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1340.582769] [] ext4_mount+0x3c/0x3e [ 1340.602129] [] mount_fs+0xd0/0x2ca [ 1340.620350] [] vfs_kern_mount+0xa0/0x20a [ 1340.636760] [] do_mount+0x11fe/0x19df [ 1340.653526] [] ? kasan_kmalloc+0x94/0xa3 [ 1340.671014] [] ? copy_mount_string+0x3d/0x3d [ 1340.690861] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1340.711667] [] ? __check_object_size+0x1e1/0x2b8 [ 1340.733625] [] ? 0xffffffffb1c002b8 [ 1340.753432] [] ? copy_mount_options+0x23d/0x24d [ 1340.773773] [] SyS_mount+0xa3/0xda [ 1340.789577] [] mount_block_root+0x2fc/0x650 [ 1340.807398] [] ? init_rootfs+0x99/0x99 [ 1340.830124] [] ? security_file_ioctl+0xa5/0xb4 [ 1340.850307] [] ? SyS_mknod+0x2f/0x36 [ 1340.867029] [] mount_root+0x45/0x48 [ 1340.887060] [] prepare_namespace+0x1cf/0x235 [ 1340.908982] [] kernel_init_freeable+0x4fa/0x518 [ 1340.928954] [] kernel_init+0x16/0x181 [ 1340.946337] [] ret_from_fork+0x1f/0x40 [ 1340.965502] [] ? rest_init+0x8f/0x8f [ 1340.983889] ================================================================================ [ 1341.013203] ================================================================================ [ 1341.040172] UBSAN: Undefined behaviour in fs/ext4/super.c:3319:32 [ 1341.062291] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1341.091697] which requires 64 byte alignment [ 1341.106009] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1341.124389] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1341.159587] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1341.185183] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1341.210505] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1341.235518] Call Trace: [ 1341.243967] [] dump_stack+0xd7/0x132 [ 1341.263131] [] ? arch_local_irq_restore+0x1b/0x1b [ 1341.282638] [] ubsan_epilogue+0x12/0x53 [ 1341.308994] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1341.334836] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1341.364656] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 1341.384425] [] ext4_fill_super+0x5c5/0xa2df [ 1341.403659] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1341.423760] [] ? netdev_bits+0x92/0x92 [ 1341.443611] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1341.466406] [] ? vsnprintf+0x1a0/0xa32 [ 1341.484586] [] ? pointer+0x7a9/0x7a9 [ 1341.502469] [] ? set_bdev_super+0x15d/0x15d [ 1341.523214] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1341.548076] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1341.574749] [] ? scnprintf+0xf3/0xf3 [ 1341.594200] [] mount_bdev+0x3cf/0x602 [ 1341.614353] [] ? mount_bdev+0x3cf/0x602 [ 1341.632384] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1341.653437] [] ext4_mount+0x3c/0x3e [ 1341.669784] [] mount_fs+0xd0/0x2ca [ 1341.685361] [] vfs_kern_mount+0xa0/0x20a [ 1341.705062] [] do_mount+0x11fe/0x19df [ 1341.722858] [] ? kasan_kmalloc+0x94/0xa3 [ 1341.739883] [] ? copy_mount_string+0x3d/0x3d [ 1341.760268] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1341.781289] [] ? __check_object_size+0x1e1/0x2b8 [ 1341.802015] [] ? 0xffffffffb1c002b8 [ 1341.820066] [] ? copy_mount_options+0x23d/0x24d [ 1341.840748] [] SyS_mount+0xa3/0xda [ 1341.862148] [] mount_block_root+0x2fc/0x650 [ 1341.884545] [] ? init_rootfs+0x99/0x99 [ 1341.904792] [] ? security_file_ioctl+0xa5/0xb4 [ 1341.925998] [] ? SyS_mknod+0x2f/0x36 [ 1341.945886] [] mount_root+0x45/0x48 [ 1341.963968] [] prepare_namespace+0x1cf/0x235 [ 1341.982497] [] kernel_init_freeable+0x4fa/0x518 [ 1342.002553] [] kernel_init+0x16/0x181 [ 1342.022536] [] ret_from_fork+0x1f/0x40 [ 1342.040860] [] ? rest_init+0x8f/0x8f [ 1342.059295] ================================================================================ [ 1342.095713] ================================================================================ [ 1342.151335] UBSAN: Undefined behaviour in fs/super.c:153:2 [ 1342.185919] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1342.247053] which requires 64 byte alignment [ 1342.275796] CPU: 2 PID: 22 Comm: migration/2 Not tainted 4.8.11 #1 [ 1342.318978] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1342.384389] 00000000ffffffff 0000000070252347 ffff8800a3c07c90 ffffffffb26ec5cc [ 1342.424897] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1342.478749] ffff880000000010 ffff8800a3c07cb8 ffff8800a3c07c68 ffffffffb363c3e0 [ 1342.541062] Call Trace: [ 1342.557373] [] dump_stack+0xd7/0x132 [ 1342.603511] [] ? arch_local_irq_restore+0x1b/0x1b [ 1342.641753] [] ubsan_epilogue+0x12/0x53 [ 1342.680535] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1342.722881] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1342.770345] [] ? rb_insert_color+0xf3/0x77d [ 1342.811369] [] destroy_super_rcu+0x92/0x17d [ 1342.847574] [] ? mount_ns+0x18b/0x18b [ 1342.886290] [] ? mount_ns+0x18b/0x18b [ 1342.918306] [] rcu_process_callbacks+0xdf4/0x12b0 [ 1342.959519] [] ? note_gp_changes+0x244/0x244 [ 1342.998898] [] ? native_apic_msr_write+0x29/0x2b [ 1343.039985] [] ? apic_write+0x53/0x5a [ 1343.081013] [] __do_softirq+0x211/0x59e [ 1343.120334] [] irq_exit+0x65/0xd6 [ 1343.158415] [] smp_apic_timer_interrupt+0x33/0x3e [ 1343.199554] [] apic_timer_interrupt+0x82/0x90 [ 1343.240407] [] ? check_preempt_curr+0x289/0x2c3 [ 1343.284085] [] ? arch_local_irq_enable+0xb/0xd [ 1343.325314] [] active_load_balance_cpu_stop+0x47c/0x779 [ 1343.378424] [] ? task_weight+0xcd/0xcd [ 1343.408625] [] ? pick_next_task_rt+0x336/0x35d [ 1343.457037] [] ? task_weight+0xcd/0xcd [ 1343.498547] [] ? multi_cpu_stop+0x34d/0x34d [ 1343.542400] [] cpu_stopper_thread+0x288/0x399 [ 1343.582540] [] ? multi_cpu_stop+0x34d/0x34d [ 1343.623843] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1343.672782] [] ? multi_cpu_stop+0x34d/0x34d [ 1343.709344] [] smpboot_thread_fn+0x6fa/0x711 [ 1343.750319] [] ? sort_range+0x35/0x35 [ 1343.787536] [] kthread+0x1f7/0x20b [ 1343.823596] [] ? sort_range+0x35/0x35 [ 1343.861249] [] ? init_completion+0x48/0x48 [ 1343.901784] [] ret_from_fork+0x1f/0x40 [ 1343.948090] [] ? init_completion+0x48/0x48 [ 1343.991222] ================================================================================ [ 1344.050693] ================================================================================ [ 1344.100643] UBSAN: Undefined behaviour in fs/super.c:153:2 [ 1344.139418] member access within misaligned address ffff88005c6d4ac8 for type 'struct super_block' [ 1344.194872] which requires 64 byte alignment [ 1344.223600] CPU: 2 PID: 22 Comm: migration/2 Not tainted 4.8.11 #1 [ 1344.264676] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1344.327653] 00000000ffffffff 0000000070252347 ffff8800a3c07c90 ffffffffb26ec5cc [ 1344.383605] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1344.440577] ffff880000000010 ffff8800a3c07cb8 ffff8800a3c07c68 ffffffffb363c3e0 [ 1344.485376] Call Trace: [ 1344.506249] [] dump_stack+0xd7/0x132 [ 1344.543829] [] ? arch_local_irq_restore+0x1b/0x1b [ 1344.589872] [] ubsan_epilogue+0x12/0x53 [ 1344.629042] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1344.679116] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1344.723192] [] ? rb_insert_color+0xf3/0x77d [ 1344.763235] [] destroy_super_rcu+0x117/0x17d [ 1344.808729] [] ? mount_ns+0x18b/0x18b [ 1344.851514] [] ? mount_ns+0x18b/0x18b [ 1344.883005] [] rcu_process_callbacks+0xdf4/0x12b0 [ 1344.925540] [] ? note_gp_changes+0x244/0x244 [ 1344.969105] [] ? native_apic_msr_write+0x29/0x2b [ 1345.012921] [] ? apic_write+0x53/0x5a [ 1345.053066] [] __do_softirq+0x211/0x59e [ 1345.090967] [] irq_exit+0x65/0xd6 [ 1345.123524] [] smp_apic_timer_interrupt+0x33/0x3e [ 1345.164542] [] apic_timer_interrupt+0x82/0x90 [ 1345.203925] [] ? check_preempt_curr+0x289/0x2c3 [ 1345.251114] [] ? arch_local_irq_enable+0xb/0xd [ 1345.285435] [] active_load_balance_cpu_stop+0x47c/0x779 [ 1345.326745] [] ? task_weight+0xcd/0xcd [ 1345.368210] [] ? pick_next_task_rt+0x336/0x35d [ 1345.404746] [] ? task_weight+0xcd/0xcd [ 1345.444016] [] ? multi_cpu_stop+0x34d/0x34d [ 1345.477106] [] cpu_stopper_thread+0x288/0x399 [ 1345.529587] [] ? multi_cpu_stop+0x34d/0x34d [ 1345.568926] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1345.634792] [] ? multi_cpu_stop+0x34d/0x34d [ 1345.672222] [] smpboot_thread_fn+0x6fa/0x711 [ 1345.709156] [] ? sort_range+0x35/0x35 [ 1345.745401] [] kthread+0x1f7/0x20b [ 1345.781516] [] ? sort_range+0x35/0x35 [ 1345.819648] [] ? init_completion+0x48/0x48 [ 1345.859489] [] ret_from_fork+0x1f/0x40 [ 1345.896493] [] ? init_completion+0x48/0x48 [ 1345.939845] ================================================================================ [ 1346.003169] ================================================================================ [ 1346.034021] UBSAN: Undefined behaviour in fs/ext4/super.c:3353:12 [ 1346.053888] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1346.083457] which requires 64 byte alignment [ 1346.099240] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1346.132967] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1346.162156] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1346.187604] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1346.216867] ffff880000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1346.241854] Call Trace: [ 1346.252316] [] dump_stack+0xd7/0x132 [ 1346.269245] [] ? arch_local_irq_restore+0x1b/0x1b [ 1346.289252] [] ubsan_epilogue+0x12/0x53 [ 1346.305983] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1346.338356] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1346.363046] [] ext4_fill_super+0x7cd/0xa2df [ 1346.382906] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1346.400303] [] ? netdev_bits+0x92/0x92 [ 1346.420452] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1346.443533] [] ? vsnprintf+0x1a0/0xa32 [ 1346.460047] [] ? pointer+0x7a9/0x7a9 [ 1346.475666] [] ? set_bdev_super+0x15d/0x15d [ 1346.495651] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1346.520084] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1346.541682] [] ? scnprintf+0xf3/0xf3 [ 1346.556927] [] mount_bdev+0x3cf/0x602 [ 1346.573559] [] ? mount_bdev+0x3cf/0x602 [ 1346.589385] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1346.609332] [] ext4_mount+0x3c/0x3e [ 1346.626220] [] mount_fs+0xd0/0x2ca [ 1346.643998] [] vfs_kern_mount+0xa0/0x20a [ 1346.667421] [] do_mount+0x11fe/0x19df [ 1346.685500] [] ? kasan_kmalloc+0x94/0xa3 [ 1346.700939] [] ? copy_mount_string+0x3d/0x3d [ 1346.723796] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1346.747451] [] ? __check_object_size+0x1e1/0x2b8 [ 1346.767656] [] ? 0xffffffffb1c002b8 [ 1346.784873] [] ? copy_mount_options+0x23d/0x24d [ 1346.805254] [] SyS_mount+0xa3/0xda [ 1346.822089] [] mount_block_root+0x2fc/0x650 [ 1346.850263] [] ? init_rootfs+0x99/0x99 [ 1346.869252] [] ? security_file_ioctl+0xa5/0xb4 [ 1346.891108] [] ? SyS_mknod+0x2f/0x36 [ 1346.906527] [] mount_root+0x45/0x48 [ 1346.924156] [] prepare_namespace+0x1cf/0x235 [ 1346.944320] [] kernel_init_freeable+0x4fa/0x518 [ 1346.965762] [] kernel_init+0x16/0x181 [ 1346.983612] [] ret_from_fork+0x1f/0x40 [ 1347.000765] [] ? rest_init+0x8f/0x8f [ 1347.019388] ================================================================================ [ 1347.047385] ================================================================================ [ 1347.076120] UBSAN: Undefined behaviour in fs/ext4/super.c:3357:24 [ 1347.098260] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1347.138572] which requires 64 byte alignment [ 1347.153948] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1347.170712] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1347.199151] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1347.224652] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1347.251163] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1347.274988] Call Trace: [ 1347.283275] [] dump_stack+0xd7/0x132 [ 1347.299772] [] ? arch_local_irq_restore+0x1b/0x1b [ 1347.320653] [] ubsan_epilogue+0x12/0x53 [ 1347.338391] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1347.357715] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1347.386945] [] ext4_fill_super+0x8a6/0xa2df [ 1347.404973] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1347.425968] [] ? netdev_bits+0x92/0x92 [ 1347.443506] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1347.468865] [] ? vsnprintf+0x1a0/0xa32 [ 1347.489022] [] ? pointer+0x7a9/0x7a9 [ 1347.506423] [] ? set_bdev_super+0x15d/0x15d [ 1347.525115] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1347.552121] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1347.574986] [] ? scnprintf+0xf3/0xf3 [ 1347.591815] [] mount_bdev+0x3cf/0x602 [ 1347.611013] [] ? mount_bdev+0x3cf/0x602 [ 1347.628182] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1347.659478] [] ext4_mount+0x3c/0x3e [ 1347.675575] [] mount_fs+0xd0/0x2ca [ 1347.693581] [] vfs_kern_mount+0xa0/0x20a [ 1347.709648] [] do_mount+0x11fe/0x19df [ 1347.732478] [] ? kasan_kmalloc+0x94/0xa3 [ 1347.753153] [] ? copy_mount_string+0x3d/0x3d [ 1347.771306] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1347.793246] [] ? __check_object_size+0x1e1/0x2b8 [ 1347.811292] [] ? 0xffffffffb1c002b8 [ 1347.841215] [] ? copy_mount_options+0x23d/0x24d [ 1347.864000] [] SyS_mount+0xa3/0xda [ 1347.882601] [] mount_block_root+0x2fc/0x650 [ 1347.905499] [] ? init_rootfs+0x99/0x99 [ 1347.924853] [] ? security_file_ioctl+0xa5/0xb4 [ 1347.945558] [] ? SyS_mknod+0x2f/0x36 [ 1347.965814] [] mount_root+0x45/0x48 [ 1347.983083] [] prepare_namespace+0x1cf/0x235 [ 1348.002307] [] kernel_init_freeable+0x4fa/0x518 [ 1348.020613] [] kernel_init+0x16/0x181 [ 1348.039387] [] ret_from_fork+0x1f/0x40 [ 1348.054701] [] ? rest_init+0x8f/0x8f [ 1348.072309] ================================================================================ [ 1348.098643] ================================================================================ [ 1348.137365] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1771:1 [ 1348.155982] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1348.187658] which requires 64 byte alignment [ 1348.198780] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1348.219188] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1348.251353] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1348.277151] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1348.302414] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1348.326748] Call Trace: [ 1348.336216] [] dump_stack+0xd7/0x132 [ 1348.353959] [] ? arch_local_irq_restore+0x1b/0x1b [ 1348.376191] [] ubsan_epilogue+0x12/0x53 [ 1348.395082] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1348.418912] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1348.443156] [] ext4_fill_super+0x900/0xa2df [ 1348.461895] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1348.484120] [] ? netdev_bits+0x92/0x92 [ 1348.501453] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1348.521521] [] ? vsnprintf+0x1a0/0xa32 [ 1348.540187] [] ? pointer+0x7a9/0x7a9 [ 1348.555213] [] ? set_bdev_super+0x15d/0x15d [ 1348.576897] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1348.610706] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1348.638315] [] ? scnprintf+0xf3/0xf3 [ 1348.656176] [] mount_bdev+0x3cf/0x602 [ 1348.674512] [] ? mount_bdev+0x3cf/0x602 [ 1348.691606] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1348.713884] [] ext4_mount+0x3c/0x3e [ 1348.734515] [] mount_fs+0xd0/0x2ca [ 1348.750280] [] vfs_kern_mount+0xa0/0x20a [ 1348.770446] [] do_mount+0x11fe/0x19df [ 1348.789139] [] ? kasan_kmalloc+0x94/0xa3 [ 1348.806804] [] ? copy_mount_string+0x3d/0x3d [ 1348.825723] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1348.850134] [] ? __check_object_size+0x1e1/0x2b8 [ 1348.868913] [] ? 0xffffffffb1c002b8 [ 1348.885204] [] ? copy_mount_options+0x23d/0x24d [ 1348.906541] [] SyS_mount+0xa3/0xda [ 1348.924426] [] mount_block_root+0x2fc/0x650 [ 1348.943844] [] ? init_rootfs+0x99/0x99 [ 1348.959933] [] ? security_file_ioctl+0xa5/0xb4 [ 1348.983054] [] ? SyS_mknod+0x2f/0x36 [ 1349.000175] [] mount_root+0x45/0x48 [ 1349.017862] [] prepare_namespace+0x1cf/0x235 [ 1349.034802] [] kernel_init_freeable+0x4fa/0x518 [ 1349.058038] [] kernel_init+0x16/0x181 [ 1349.077556] [] ret_from_fork+0x1f/0x40 [ 1349.095835] [] ? rest_init+0x8f/0x8f [ 1349.113257] ================================================================================ [ 1349.141544] ================================================================================ [ 1349.168925] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1766:1 [ 1349.187928] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1349.219037] which requires 64 byte alignment [ 1349.232362] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1349.252449] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1349.284313] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1349.306584] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1349.334710] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1349.358503] Call Trace: [ 1349.370656] [] dump_stack+0xd7/0x132 [ 1349.386072] [] ? arch_local_irq_restore+0x1b/0x1b [ 1349.406190] [] ubsan_epilogue+0x12/0x53 [ 1349.425249] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1349.448549] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1349.471830] [] ext4_fill_super+0x979/0xa2df [ 1349.490832] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1349.510112] [] ? netdev_bits+0x92/0x92 [ 1349.530315] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1349.559341] [] ? vsnprintf+0x1a0/0xa32 [ 1349.574423] [] ? pointer+0x7a9/0x7a9 [ 1349.592537] [] ? set_bdev_super+0x15d/0x15d [ 1349.610502] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1349.636371] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1349.659173] [] ? scnprintf+0xf3/0xf3 [ 1349.678997] [] mount_bdev+0x3cf/0x602 [ 1349.696865] [] ? mount_bdev+0x3cf/0x602 [ 1349.715470] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1349.737651] [] ext4_mount+0x3c/0x3e [ 1349.755318] [] mount_fs+0xd0/0x2ca [ 1349.771360] [] vfs_kern_mount+0xa0/0x20a [ 1349.790034] [] do_mount+0x11fe/0x19df [ 1349.805998] [] ? kasan_kmalloc+0x94/0xa3 [ 1349.831984] [] ? copy_mount_string+0x3d/0x3d [ 1349.852544] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1349.872513] [] ? __check_object_size+0x1e1/0x2b8 [ 1349.895688] [] ? 0xffffffffb1c002b8 [ 1349.918316] [] ? copy_mount_options+0x23d/0x24d [ 1349.936242] [] SyS_mount+0xa3/0xda [ 1349.954681] [] mount_block_root+0x2fc/0x650 [ 1349.971040] [] ? init_rootfs+0x99/0x99 [ 1349.989267] [] ? security_file_ioctl+0xa5/0xb4 [ 1350.010084] [] ? SyS_mknod+0x2f/0x36 [ 1350.026054] [] mount_root+0x45/0x48 [ 1350.043266] [] prepare_namespace+0x1cf/0x235 [ 1350.064026] [] kernel_init_freeable+0x4fa/0x518 [ 1350.086040] [] kernel_init+0x16/0x181 [ 1350.102766] [] ret_from_fork+0x1f/0x40 [ 1350.159899] [] ? rest_init+0x8f/0x8f [ 1350.178273] ================================================================================ [ 1350.204036] ================================================================================ [ 1350.232955] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1771:1 [ 1350.252150] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1350.281020] which requires 64 byte alignment [ 1350.294183] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1350.312650] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1350.342075] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1350.370688] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1350.394836] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1350.418262] Call Trace: [ 1350.425386] [] dump_stack+0xd7/0x132 [ 1350.443768] [] ? arch_local_irq_restore+0x1b/0x1b [ 1350.464444] [] ubsan_epilogue+0x12/0x53 [ 1350.479885] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1350.503567] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1350.526231] [] ext4_fill_super+0xa07/0xa2df [ 1350.548087] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1350.570033] [] ? netdev_bits+0x92/0x92 [ 1350.587045] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1350.612329] [] ? vsnprintf+0x1a0/0xa32 [ 1350.629163] [] ? pointer+0x7a9/0x7a9 [ 1350.648515] [] ? set_bdev_super+0x15d/0x15d [ 1350.668371] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1350.689876] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1350.723497] [] ? scnprintf+0xf3/0xf3 [ 1350.742154] [] mount_bdev+0x3cf/0x602 [ 1350.757263] [] ? mount_bdev+0x3cf/0x602 [ 1350.775564] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1350.796193] [] ext4_mount+0x3c/0x3e [ 1350.814276] [] mount_fs+0xd0/0x2ca [ 1350.828509] [] vfs_kern_mount+0xa0/0x20a [ 1350.851339] [] do_mount+0x11fe/0x19df [ 1350.868567] [] ? kasan_kmalloc+0x94/0xa3 [ 1350.887796] [] ? copy_mount_string+0x3d/0x3d [ 1350.906173] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1350.922446] [] ? __check_object_size+0x1e1/0x2b8 [ 1350.942650] [] ? 0xffffffffb1c002b8 [ 1350.958107] [] ? copy_mount_options+0x23d/0x24d [ 1350.976597] [] SyS_mount+0xa3/0xda [ 1350.992837] [] mount_block_root+0x2fc/0x650 [ 1351.010284] [] ? init_rootfs+0x99/0x99 [ 1351.025780] [] ? security_file_ioctl+0xa5/0xb4 [ 1351.044738] [] ? SyS_mknod+0x2f/0x36 [ 1351.063573] [] mount_root+0x45/0x48 [ 1351.079105] [] prepare_namespace+0x1cf/0x235 [ 1351.102220] [] kernel_init_freeable+0x4fa/0x518 [ 1351.135345] [] kernel_init+0x16/0x181 [ 1351.151607] [] ret_from_fork+0x1f/0x40 [ 1351.168608] [] ? rest_init+0x8f/0x8f [ 1351.184500] ================================================================================ [ 1351.210215] ================================================================================ [ 1351.236499] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1771:1 [ 1351.259095] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1351.286063] which requires 64 byte alignment [ 1351.301162] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1351.319655] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1351.348492] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1351.372968] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1351.399635] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1351.425076] Call Trace: [ 1351.435172] [] dump_stack+0xd7/0x132 [ 1351.450905] [] ? arch_local_irq_restore+0x1b/0x1b [ 1351.471266] [] ubsan_epilogue+0x12/0x53 [ 1351.490085] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1351.516309] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1351.547592] [] ext4_fill_super+0xac7/0xa2df [ 1351.569329] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1351.588384] [] ? netdev_bits+0x92/0x92 [ 1351.604477] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1351.628484] [] ? vsnprintf+0x1a0/0xa32 [ 1351.647975] [] ? pointer+0x7a9/0x7a9 [ 1351.666595] [] ? set_bdev_super+0x15d/0x15d [ 1351.686130] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1351.705510] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1351.728480] [] ? scnprintf+0xf3/0xf3 [ 1351.747279] [] mount_bdev+0x3cf/0x602 [ 1351.764785] [] ? mount_bdev+0x3cf/0x602 [ 1351.783366] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1351.813813] [] ext4_mount+0x3c/0x3e [ 1351.828875] [] mount_fs+0xd0/0x2ca [ 1351.848152] [] vfs_kern_mount+0xa0/0x20a [ 1351.867519] [] do_mount+0x11fe/0x19df [ 1351.882310] [] ? kasan_kmalloc+0x94/0xa3 [ 1351.901102] [] ? copy_mount_string+0x3d/0x3d [ 1351.919437] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1351.939911] [] ? __check_object_size+0x1e1/0x2b8 [ 1351.962123] [] ? 0xffffffffb1c002b8 [ 1351.977002] [] ? copy_mount_options+0x23d/0x24d [ 1351.995372] [] SyS_mount+0xa3/0xda [ 1352.011536] [] mount_block_root+0x2fc/0x650 [ 1352.094837] [] ? init_rootfs+0x99/0x99 [ 1352.114137] [] ? security_file_ioctl+0xa5/0xb4 [ 1352.135730] [] ? SyS_mknod+0x2f/0x36 [ 1352.152125] [] mount_root+0x45/0x48 [ 1352.168148] [] prepare_namespace+0x1cf/0x235 [ 1352.187403] [] kernel_init_freeable+0x4fa/0x518 [ 1352.204770] [] kernel_init+0x16/0x181 [ 1352.225665] [] ret_from_fork+0x1f/0x40 [ 1352.242408] [] ? rest_init+0x8f/0x8f [ 1352.257551] ================================================================================ [ 1352.289549] ================================================================================ [ 1352.315062] UBSAN: Undefined behaviour in fs/ext4/super.c:3375:24 [ 1352.332006] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1352.360931] which requires 64 byte alignment [ 1352.375076] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1352.393872] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1352.423465] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1352.448649] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1352.475716] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1352.498387] Call Trace: [ 1352.508760] [] dump_stack+0xd7/0x132 [ 1352.524247] [] ? arch_local_irq_restore+0x1b/0x1b [ 1352.544583] [] ubsan_epilogue+0x12/0x53 [ 1352.562547] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1352.587048] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1352.610343] [] ext4_fill_super+0xb1f/0xa2df [ 1352.629218] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1352.648869] [] ? netdev_bits+0x92/0x92 [ 1352.669541] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1352.690813] [] ? vsnprintf+0x1a0/0xa32 [ 1352.706004] [] ? pointer+0x7a9/0x7a9 [ 1352.721738] [] ? set_bdev_super+0x15d/0x15d [ 1352.738862] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1352.759991] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1352.784673] [] ? scnprintf+0xf3/0xf3 [ 1352.799634] [] mount_bdev+0x3cf/0x602 [ 1352.819450] [] ? mount_bdev+0x3cf/0x602 [ 1352.835322] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1352.859337] [] ext4_mount+0x3c/0x3e [ 1352.877975] [] mount_fs+0xd0/0x2ca [ 1352.896622] [] vfs_kern_mount+0xa0/0x20a [ 1352.914215] [] do_mount+0x11fe/0x19df [ 1352.932288] [] ? kasan_kmalloc+0x94/0xa3 [ 1352.948128] [] ? copy_mount_string+0x3d/0x3d [ 1352.967055] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1352.988712] [] ? __check_object_size+0x1e1/0x2b8 [ 1353.007750] [] ? 0xffffffffb1c002b8 [ 1353.023122] [] ? copy_mount_options+0x23d/0x24d [ 1353.046247] [] SyS_mount+0xa3/0xda [ 1353.063134] [] mount_block_root+0x2fc/0x650 [ 1353.081185] [] ? init_rootfs+0x99/0x99 [ 1353.098442] [] ? security_file_ioctl+0xa5/0xb4 [ 1353.118462] [] ? SyS_mknod+0x2f/0x36 [ 1353.136809] [] mount_root+0x45/0x48 [ 1353.153232] [] prepare_namespace+0x1cf/0x235 [ 1353.172103] [] kernel_init_freeable+0x4fa/0x518 [ 1353.203550] [] kernel_init+0x16/0x181 [ 1353.219648] [] ret_from_fork+0x1f/0x40 [ 1353.237154] [] ? rest_init+0x8f/0x8f [ 1353.253519] ================================================================================ [ 1353.283593] ================================================================================ [ 1353.309375] UBSAN: Undefined behaviour in fs/ext4/super.c:3376:17 [ 1353.333243] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1353.365407] which requires 64 byte alignment [ 1353.379058] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1353.395958] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1353.426827] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1353.452035] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1353.475249] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1353.497166] Call Trace: [ 1353.506775] [] dump_stack+0xd7/0x132 [ 1353.521267] [] ? arch_local_irq_restore+0x1b/0x1b [ 1353.543923] [] ubsan_epilogue+0x12/0x53 [ 1353.561101] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1353.586119] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1353.606544] [] ext4_fill_super+0xb4f/0xa2df [ 1353.625298] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1353.645293] [] ? netdev_bits+0x92/0x92 [ 1353.663247] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1353.686834] [] ? vsnprintf+0x1a0/0xa32 [ 1353.703057] [] ? pointer+0x7a9/0x7a9 [ 1353.718076] [] ? set_bdev_super+0x15d/0x15d [ 1353.737266] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1353.757466] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1353.779939] [] ? scnprintf+0xf3/0xf3 [ 1353.796850] [] mount_bdev+0x3cf/0x602 [ 1353.815661] [] ? mount_bdev+0x3cf/0x602 [ 1353.834954] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1353.855528] [] ext4_mount+0x3c/0x3e [ 1353.873690] [] mount_fs+0xd0/0x2ca [ 1353.894376] [] vfs_kern_mount+0xa0/0x20a [ 1353.911695] [] do_mount+0x11fe/0x19df [ 1353.928831] [] ? kasan_kmalloc+0x94/0xa3 [ 1353.945248] [] ? copy_mount_string+0x3d/0x3d [ 1353.965429] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1353.988623] [] ? __check_object_size+0x1e1/0x2b8 [ 1354.010920] [] ? 0xffffffffb1c002b8 [ 1354.027004] [] ? copy_mount_options+0x23d/0x24d [ 1354.047492] [] SyS_mount+0xa3/0xda [ 1354.063586] [] mount_block_root+0x2fc/0x650 [ 1354.085822] [] ? init_rootfs+0x99/0x99 [ 1354.099588] [] ? security_file_ioctl+0xa5/0xb4 [ 1354.121845] [] ? SyS_mknod+0x2f/0x36 [ 1354.140764] [] mount_root+0x45/0x48 [ 1354.155683] [] prepare_namespace+0x1cf/0x235 [ 1354.174242] [] kernel_init_freeable+0x4fa/0x518 [ 1354.195162] [] kernel_init+0x16/0x181 [ 1354.212856] [] ret_from_fork+0x1f/0x40 [ 1354.227286] [] ? rest_init+0x8f/0x8f [ 1354.244084] ================================================================================ [ 1354.271124] ================================================================================ [ 1354.298539] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1771:1 [ 1354.317294] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1354.345138] which requires 64 byte alignment [ 1354.359094] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1354.376383] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1354.409001] 00000000ffffffff 00000000b1a89c60 ffff88005c9df748 ffffffffb26ec5cc [ 1354.432428] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1354.458431] 0000000000000010 ffff88005c9df770 ffff88005c9df720 ffffffffb363c3e0 [ 1354.486858] Call Trace: [ 1354.494224] [] dump_stack+0xd7/0x132 [ 1354.510368] [] ? arch_local_irq_restore+0x1b/0x1b [ 1354.534003] [] ubsan_epilogue+0x12/0x53 [ 1354.552827] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1354.573906] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1354.594664] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1354.622216] [] ext4_has_metadata_csum+0x5c/0x1a0 [ 1354.643557] [] ext4_fill_super+0xbdd/0xa2df [ 1354.664414] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1354.682032] [] ? netdev_bits+0x92/0x92 [ 1354.699151] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1354.721023] [] ? vsnprintf+0x1a0/0xa32 [ 1354.738495] [] ? pointer+0x7a9/0x7a9 [ 1354.757322] [] ? set_bdev_super+0x15d/0x15d [ 1354.776961] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1354.798061] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1354.822626] [] ? scnprintf+0xf3/0xf3 [ 1354.845241] [] mount_bdev+0x3cf/0x602 [ 1354.864279] [] ? mount_bdev+0x3cf/0x602 [ 1354.885868] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1354.909023] [] ext4_mount+0x3c/0x3e [ 1354.924652] [] mount_fs+0xd0/0x2ca [ 1354.939186] [] vfs_kern_mount+0xa0/0x20a [ 1354.957839] [] do_mount+0x11fe/0x19df [ 1354.974897] [] ? kasan_kmalloc+0x94/0xa3 [ 1354.995808] [] ? copy_mount_string+0x3d/0x3d [ 1355.012836] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1355.030961] [] ? __check_object_size+0x1e1/0x2b8 [ 1355.052525] [] ? 0xffffffffb1c002b8 [ 1355.069640] [] ? copy_mount_options+0x23d/0x24d [ 1355.093068] [] SyS_mount+0xa3/0xda [ 1355.107295] [] mount_block_root+0x2fc/0x650 [ 1355.123636] [] ? init_rootfs+0x99/0x99 [ 1355.142816] [] ? security_file_ioctl+0xa5/0xb4 [ 1355.161369] [] ? SyS_mknod+0x2f/0x36 [ 1355.178305] [] mount_root+0x45/0x48 [ 1355.195298] [] prepare_namespace+0x1cf/0x235 [ 1355.213782] [] kernel_init_freeable+0x4fa/0x518 [ 1355.231133] [] kernel_init+0x16/0x181 [ 1355.250556] [] ret_from_fork+0x1f/0x40 [ 1355.267283] [] ? rest_init+0x8f/0x8f [ 1355.281700] ================================================================================ [ 1355.310937] ================================================================================ [ 1355.337952] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2748:2 [ 1355.355974] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1355.383535] which requires 64 byte alignment [ 1355.397126] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1355.420257] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1355.449336] 00000000ffffffff 00000000b1a89c60 ffff88005c9df748 ffffffffb26ec5cc [ 1355.473064] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1355.496264] ffffffff00000010 ffff88005c9df770 ffff88005c9df720 ffffffffb363c3e0 [ 1355.520726] Call Trace: [ 1355.529512] [] dump_stack+0xd7/0x132 [ 1355.546338] [] ? arch_local_irq_restore+0x1b/0x1b [ 1355.565175] [] ubsan_epilogue+0x12/0x53 [ 1355.583976] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1355.608396] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1355.635041] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1355.660610] [] ext4_has_metadata_csum+0xd1/0x1a0 [ 1355.679469] [] ext4_fill_super+0xbdd/0xa2df [ 1355.696014] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1355.715631] [] ? netdev_bits+0x92/0x92 [ 1355.734278] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1355.754076] [] ? vsnprintf+0x1a0/0xa32 [ 1355.773475] [] ? pointer+0x7a9/0x7a9 [ 1355.792175] [] ? set_bdev_super+0x15d/0x15d [ 1355.809836] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1355.832911] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1355.854531] [] ? scnprintf+0xf3/0xf3 [ 1355.871425] [] mount_bdev+0x3cf/0x602 [ 1355.889247] [] ? mount_bdev+0x3cf/0x602 [ 1355.904578] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1355.925506] [] ext4_mount+0x3c/0x3e [ 1355.943515] [] mount_fs+0xd0/0x2ca [ 1355.962464] [] vfs_kern_mount+0xa0/0x20a [ 1355.979455] [] do_mount+0x11fe/0x19df [ 1355.997967] [] ? kasan_kmalloc+0x94/0xa3 [ 1356.015397] [] ? copy_mount_string+0x3d/0x3d [ 1356.031543] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1356.053255] [] ? __check_object_size+0x1e1/0x2b8 [ 1356.074151] [] ? 0xffffffffb1c002b8 [ 1356.092884] [] ? copy_mount_options+0x23d/0x24d [ 1356.110061] [] SyS_mount+0xa3/0xda [ 1356.127580] [] mount_block_root+0x2fc/0x650 [ 1356.146468] [] ? init_rootfs+0x99/0x99 [ 1356.163843] [] ? security_file_ioctl+0xa5/0xb4 [ 1356.183475] [] ? SyS_mknod+0x2f/0x36 [ 1356.201577] [] mount_root+0x45/0x48 [ 1356.217275] [] prepare_namespace+0x1cf/0x235 [ 1356.236503] [] kernel_init_freeable+0x4fa/0x518 [ 1356.257214] [] kernel_init+0x16/0x181 [ 1356.273986] [] ret_from_fork+0x1f/0x40 [ 1356.291573] [] ? rest_init+0x8f/0x8f [ 1356.307779] ================================================================================ [ 1356.336625] ================================================================================ [ 1356.363664] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2751:21 [ 1356.383515] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1356.411699] which requires 64 byte alignment [ 1356.425139] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1356.448893] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1356.479387] 00000000ffffffff 00000000b1a89c60 ffff88005c9df748 ffffffffb26ec5cc [ 1356.518223] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1356.557426] ffffffff00000010 ffff88005c9df770 ffff88005c9df720 ffffffffb363c3e0 [ 1356.587401] Call Trace: [ 1356.595575] [] dump_stack+0xd7/0x132 [ 1356.615073] [] ? arch_local_irq_restore+0x1b/0x1b [ 1356.645009] [] ubsan_epilogue+0x12/0x53 [ 1356.664776] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1356.687249] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1356.712403] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1356.737601] [] ext4_has_metadata_csum+0x17e/0x1a0 [ 1356.758054] [] ext4_fill_super+0xbdd/0xa2df [ 1356.780379] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1356.810433] [] ? netdev_bits+0x92/0x92 [ 1356.834981] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1356.859441] [] ? vsnprintf+0x1a0/0xa32 [ 1356.878898] [] ? pointer+0x7a9/0x7a9 [ 1356.897895] [] ? set_bdev_super+0x15d/0x15d [ 1356.921600] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1356.948508] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1356.979097] [] ? scnprintf+0xf3/0xf3 [ 1357.001468] [] mount_bdev+0x3cf/0x602 [ 1357.024574] [] ? mount_bdev+0x3cf/0x602 [ 1357.046637] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1357.071838] [] ext4_mount+0x3c/0x3e [ 1357.092003] [] mount_fs+0xd0/0x2ca [ 1357.107845] [] vfs_kern_mount+0xa0/0x20a [ 1357.130208] [] do_mount+0x11fe/0x19df [ 1357.157169] [] ? kasan_kmalloc+0x94/0xa3 [ 1357.179904] [] ? copy_mount_string+0x3d/0x3d [ 1357.209646] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1357.232466] [] ? __check_object_size+0x1e1/0x2b8 [ 1357.251194] [] ? 0xffffffffb1c002b8 [ 1357.267343] [] ? copy_mount_options+0x23d/0x24d [ 1357.291453] [] SyS_mount+0xa3/0xda [ 1357.308420] [] mount_block_root+0x2fc/0x650 [ 1357.325110] [] ? init_rootfs+0x99/0x99 [ 1357.345471] [] ? security_file_ioctl+0xa5/0xb4 [ 1357.378492] [] ? SyS_mknod+0x2f/0x36 [ 1357.398573] [] mount_root+0x45/0x48 [ 1357.425230] [] prepare_namespace+0x1cf/0x235 [ 1357.445687] [] kernel_init_freeable+0x4fa/0x518 [ 1357.464431] [] kernel_init+0x16/0x181 [ 1357.481827] [] ret_from_fork+0x1f/0x40 [ 1357.502119] [] ? rest_init+0x8f/0x8f [ 1357.524528] ================================================================================ [ 1357.563875] ================================================================================ [ 1357.594625] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2041:2 [ 1357.614985] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1357.646895] which requires 64 byte alignment [ 1357.667235] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1357.689077] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1357.716160] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d0 ffffffffb26ec5cc [ 1357.741523] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1357.772355] ffffffff00000010 ffff88005c9df6f8 ffff88005c9df6a8 ffffffffb363c3e0 [ 1357.796536] Call Trace: [ 1357.804749] [] dump_stack+0xd7/0x132 [ 1357.820320] [] ? arch_local_irq_restore+0x1b/0x1b [ 1357.841821] [] ubsan_epilogue+0x12/0x53 [ 1357.863206] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1357.890606] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1357.918555] [] ext4_chksum+0x95/0x17a [ 1357.938739] [] ? ext4_quota_read+0x292/0x292 [ 1357.955731] [] ext4_fill_super+0xc54/0xa2df [ 1357.974835] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1357.994703] [] ? netdev_bits+0x92/0x92 [ 1358.012543] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1358.035577] [] ? vsnprintf+0x1a0/0xa32 [ 1358.055519] [] ? pointer+0x7a9/0x7a9 [ 1358.080636] [] ? set_bdev_super+0x15d/0x15d [ 1358.099410] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1358.123576] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1358.147408] [] ? scnprintf+0xf3/0xf3 [ 1358.165348] [] mount_bdev+0x3cf/0x602 [ 1358.184551] [] ? mount_bdev+0x3cf/0x602 [ 1358.206321] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1358.227364] [] ext4_mount+0x3c/0x3e [ 1358.246976] [] mount_fs+0xd0/0x2ca [ 1358.265027] [] vfs_kern_mount+0xa0/0x20a [ 1358.286595] [] do_mount+0x11fe/0x19df [ 1358.307570] [] ? kasan_kmalloc+0x94/0xa3 [ 1358.326576] [] ? copy_mount_string+0x3d/0x3d [ 1358.349217] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1358.373052] [] ? __check_object_size+0x1e1/0x2b8 [ 1358.395758] [] ? 0xffffffffb1c002b8 [ 1358.410476] [] ? copy_mount_options+0x23d/0x24d [ 1358.430693] [] SyS_mount+0xa3/0xda [ 1358.447486] [] mount_block_root+0x2fc/0x650 [ 1358.465701] [] ? init_rootfs+0x99/0x99 [ 1358.483234] [] ? security_file_ioctl+0xa5/0xb4 [ 1358.506266] [] ? SyS_mknod+0x2f/0x36 [ 1358.524224] [] mount_root+0x45/0x48 [ 1358.542106] [] prepare_namespace+0x1cf/0x235 [ 1358.559822] [] kernel_init_freeable+0x4fa/0x518 [ 1358.578274] [] kernel_init+0x16/0x181 [ 1358.600491] [] ret_from_fork+0x1f/0x40 [ 1358.619167] [] ? rest_init+0x8f/0x8f [ 1358.636997] ================================================================================ [ 1358.665043] ================================================================================ [ 1358.703799] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2043:22 [ 1358.726155] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1358.760279] which requires 64 byte alignment [ 1358.775366] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1358.802538] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1358.839238] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d0 ffffffffb26ec5cc [ 1358.863016] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1358.891945] ffff880000000010 ffff88005c9df6f8 ffff88005c9df6a8 ffffffffb363c3e0 [ 1358.915965] Call Trace: [ 1358.925988] [] dump_stack+0xd7/0x132 [ 1358.942851] [] ? arch_local_irq_restore+0x1b/0x1b [ 1358.962602] [] ubsan_epilogue+0x12/0x53 [ 1358.978511] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1359.000455] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1359.027489] [] ext4_chksum+0xff/0x17a [ 1359.045597] [] ? ext4_quota_read+0x292/0x292 [ 1359.064978] [] ext4_fill_super+0xc54/0xa2df [ 1359.083350] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1359.103653] [] ? netdev_bits+0x92/0x92 [ 1359.123138] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1359.148140] [] ? vsnprintf+0x1a0/0xa32 [ 1359.165367] [] ? pointer+0x7a9/0x7a9 [ 1359.180431] [] ? set_bdev_super+0x15d/0x15d [ 1359.202187] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1359.225253] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1359.248088] [] ? scnprintf+0xf3/0xf3 [ 1359.266181] [] mount_bdev+0x3cf/0x602 [ 1359.282997] [] ? mount_bdev+0x3cf/0x602 [ 1359.304449] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1359.324907] [] ext4_mount+0x3c/0x3e [ 1359.342225] [] mount_fs+0xd0/0x2ca [ 1359.358347] [] vfs_kern_mount+0xa0/0x20a [ 1359.376943] [] do_mount+0x11fe/0x19df [ 1359.394709] [] ? kasan_kmalloc+0x94/0xa3 [ 1359.414838] [] ? copy_mount_string+0x3d/0x3d [ 1359.433283] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1359.456543] [] ? __check_object_size+0x1e1/0x2b8 [ 1359.476122] [] ? 0xffffffffb1c002b8 [ 1359.493452] [] ? copy_mount_options+0x23d/0x24d [ 1359.512199] [] SyS_mount+0xa3/0xda [ 1359.528837] [] mount_block_root+0x2fc/0x650 [ 1359.547339] [] ? init_rootfs+0x99/0x99 [ 1359.564414] [] ? security_file_ioctl+0xa5/0xb4 [ 1359.584037] [] ? SyS_mknod+0x2f/0x36 [ 1359.600575] [] mount_root+0x45/0x48 [ 1359.623458] [] prepare_namespace+0x1cf/0x235 [ 1359.645611] [] kernel_init_freeable+0x4fa/0x518 [ 1359.665306] [] kernel_init+0x16/0x181 [ 1359.683008] [] ret_from_fork+0x1f/0x40 [ 1359.700850] [] ? rest_init+0x8f/0x8f [ 1359.717319] ================================================================================ [ 1359.750786] ================================================================================ [ 1359.778969] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1786:1 [ 1359.797716] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1359.824101] which requires 64 byte alignment [ 1359.839978] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1359.860337] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1359.893274] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1359.916082] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1359.942072] ffff880000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1359.966371] Call Trace: [ 1359.975293] [] dump_stack+0xd7/0x132 [ 1359.994535] [] ? arch_local_irq_restore+0x1b/0x1b [ 1360.013039] [] ubsan_epilogue+0x12/0x53 [ 1360.031004] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1360.053396] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1360.076693] [] ext4_fill_super+0xcd2/0xa2df [ 1360.095357] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1360.115990] [] ? netdev_bits+0x92/0x92 [ 1360.133439] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1360.155900] [] ? vsnprintf+0x1a0/0xa32 [ 1360.172771] [] ? pointer+0x7a9/0x7a9 [ 1360.192390] [] ? set_bdev_super+0x15d/0x15d [ 1360.211094] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1360.232324] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1360.256945] [] ? scnprintf+0xf3/0xf3 [ 1360.275818] [] mount_bdev+0x3cf/0x602 [ 1360.292521] [] ? mount_bdev+0x3cf/0x602 [ 1360.312459] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1360.333381] [] ext4_mount+0x3c/0x3e [ 1360.348127] [] mount_fs+0xd0/0x2ca [ 1360.364365] [] vfs_kern_mount+0xa0/0x20a [ 1360.381661] [] do_mount+0x11fe/0x19df [ 1360.399044] [] ? kasan_kmalloc+0x94/0xa3 [ 1360.417587] [] ? copy_mount_string+0x3d/0x3d [ 1360.436813] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1360.459363] [] ? __check_object_size+0x1e1/0x2b8 [ 1360.475925] [] ? 0xffffffffb1c002b8 [ 1360.493602] [] ? copy_mount_options+0x23d/0x24d [ 1360.512758] [] SyS_mount+0xa3/0xda [ 1360.530646] [] mount_block_root+0x2fc/0x650 [ 1360.548483] [] ? init_rootfs+0x99/0x99 [ 1360.565565] [] ? security_file_ioctl+0xa5/0xb4 [ 1360.584573] [] ? SyS_mknod+0x2f/0x36 [ 1360.601079] [] mount_root+0x45/0x48 [ 1360.618097] [] prepare_namespace+0x1cf/0x235 [ 1360.637673] [] kernel_init_freeable+0x4fa/0x518 [ 1360.658336] [] kernel_init+0x16/0x181 [ 1360.674642] [] ret_from_fork+0x1f/0x40 [ 1360.693124] [] ? rest_init+0x8f/0x8f [ 1360.709691] ================================================================================ [ 1360.739475] ================================================================================ [ 1360.766742] UBSAN: Undefined behaviour in fs/ext4/super.c:3397:20 [ 1360.787126] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1360.815719] which requires 64 byte alignment [ 1360.831723] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1360.850523] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1360.882251] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1360.908090] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1360.933637] ffff880000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1360.956967] Call Trace: [ 1360.963865] [] dump_stack+0xd7/0x132 [ 1360.983242] [] ? arch_local_irq_restore+0x1b/0x1b [ 1361.006897] [] ubsan_epilogue+0x12/0x53 [ 1361.024479] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1361.048146] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1361.074177] [] ext4_fill_super+0xd96/0xa2df [ 1361.093093] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1361.111779] [] ? netdev_bits+0x92/0x92 [ 1361.126619] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1361.151149] [] ? vsnprintf+0x1a0/0xa32 [ 1361.168749] [] ? pointer+0x7a9/0x7a9 [ 1361.185027] [] ? set_bdev_super+0x15d/0x15d [ 1361.205363] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1361.228119] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1361.254263] [] ? scnprintf+0xf3/0xf3 [ 1361.268054] [] mount_bdev+0x3cf/0x602 [ 1361.284841] [] ? mount_bdev+0x3cf/0x602 [ 1361.308127] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1361.328757] [] ext4_mount+0x3c/0x3e [ 1361.343035] [] mount_fs+0xd0/0x2ca [ 1361.357612] [] vfs_kern_mount+0xa0/0x20a [ 1361.380717] [] do_mount+0x11fe/0x19df [ 1361.397448] [] ? kasan_kmalloc+0x94/0xa3 [ 1361.416477] [] ? copy_mount_string+0x3d/0x3d [ 1361.434970] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1361.456884] [] ? __check_object_size+0x1e1/0x2b8 [ 1361.475449] [] ? 0xffffffffb1c002b8 [ 1361.494899] [] ? copy_mount_options+0x23d/0x24d [ 1361.514078] [] SyS_mount+0xa3/0xda [ 1361.530274] [] mount_block_root+0x2fc/0x650 [ 1361.546541] [] ? init_rootfs+0x99/0x99 [ 1361.564690] [] ? security_file_ioctl+0xa5/0xb4 [ 1361.590931] [] ? SyS_mknod+0x2f/0x36 [ 1361.607665] [] mount_root+0x45/0x48 [ 1361.620537] [] prepare_namespace+0x1cf/0x235 [ 1361.642736] [] kernel_init_freeable+0x4fa/0x518 [ 1361.660758] [] kernel_init+0x16/0x181 [ 1361.675446] [] ret_from_fork+0x1f/0x40 [ 1361.692245] [] ? rest_init+0x8f/0x8f [ 1361.706510] ================================================================================ [ 1361.731367] ================================================================================ [ 1361.761393] UBSAN: Undefined behaviour in fs/ext4/super.c:3402:2 [ 1361.779523] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1361.811406] which requires 64 byte alignment [ 1361.823280] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1361.841693] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1361.870554] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1361.895362] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1361.925728] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1361.950477] Call Trace: [ 1361.958977] [] dump_stack+0xd7/0x132 [ 1361.975505] [] ? arch_local_irq_restore+0x1b/0x1b [ 1361.996766] [] ubsan_epilogue+0x12/0x53 [ 1362.016283] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1362.040767] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1362.063151] [] ext4_fill_super+0xe28/0xa2df [ 1362.081552] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1362.100069] [] ? netdev_bits+0x92/0x92 [ 1362.116425] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1362.140542] [] ? vsnprintf+0x1a0/0xa32 [ 1362.155324] [] ? pointer+0x7a9/0x7a9 [ 1362.172700] [] ? set_bdev_super+0x15d/0x15d [ 1362.192685] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1362.213843] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1362.233992] [] ? scnprintf+0xf3/0xf3 [ 1362.255169] [] mount_bdev+0x3cf/0x602 [ 1362.270475] [] ? mount_bdev+0x3cf/0x602 [ 1362.287845] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1362.312967] [] ext4_mount+0x3c/0x3e [ 1362.329432] [] mount_fs+0xd0/0x2ca [ 1362.345103] [] vfs_kern_mount+0xa0/0x20a [ 1362.364426] [] do_mount+0x11fe/0x19df [ 1362.380759] [] ? kasan_kmalloc+0x94/0xa3 [ 1362.398672] [] ? copy_mount_string+0x3d/0x3d [ 1362.417613] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1362.439238] [] ? __check_object_size+0x1e1/0x2b8 [ 1362.460483] [] ? 0xffffffffb1c002b8 [ 1362.475981] [] ? copy_mount_options+0x23d/0x24d [ 1362.498308] [] SyS_mount+0xa3/0xda [ 1362.516416] [] mount_block_root+0x2fc/0x650 [ 1362.535145] [] ? init_rootfs+0x99/0x99 [ 1362.554108] [] ? security_file_ioctl+0xa5/0xb4 [ 1362.571869] [] ? SyS_mknod+0x2f/0x36 [ 1362.588182] [] mount_root+0x45/0x48 [ 1362.602946] [] prepare_namespace+0x1cf/0x235 [ 1362.623516] [] kernel_init_freeable+0x4fa/0x518 [ 1362.644508] [] kernel_init+0x16/0x181 [ 1362.664751] [] ret_from_fork+0x1f/0x40 [ 1362.682401] [] ? rest_init+0x8f/0x8f [ 1362.699058] ================================================================================ [ 1362.727554] ================================================================================ [ 1362.753875] UBSAN: Undefined behaviour in fs/ext4/super.c:3402:2 [ 1362.776118] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1362.962282] which requires 64 byte alignment [ 1362.977635] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1362.996721] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1363.028646] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1363.052831] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1363.077373] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1363.100792] Call Trace: [ 1363.110535] [] dump_stack+0xd7/0x132 [ 1363.126496] [] ? arch_local_irq_restore+0x1b/0x1b [ 1363.145570] [] ubsan_epilogue+0x12/0x53 [ 1363.164128] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1363.186339] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1363.211036] [] ext4_fill_super+0xe57/0xa2df [ 1363.229334] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1363.249250] [] ? netdev_bits+0x92/0x92 [ 1363.267746] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1363.291941] [] ? vsnprintf+0x1a0/0xa32 [ 1363.307536] [] ? pointer+0x7a9/0x7a9 [ 1363.322197] [] ? set_bdev_super+0x15d/0x15d [ 1363.341847] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1363.365237] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1363.391206] [] ? scnprintf+0xf3/0xf3 [ 1363.408813] [] mount_bdev+0x3cf/0x602 [ 1363.424004] [] ? mount_bdev+0x3cf/0x602 [ 1363.442185] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1363.463709] [] ext4_mount+0x3c/0x3e [ 1363.478420] [] mount_fs+0xd0/0x2ca [ 1363.496134] [] vfs_kern_mount+0xa0/0x20a [ 1363.516300] [] do_mount+0x11fe/0x19df [ 1363.534143] [] ? kasan_kmalloc+0x94/0xa3 [ 1363.550723] [] ? copy_mount_string+0x3d/0x3d [ 1363.569002] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1363.593477] [] ? __check_object_size+0x1e1/0x2b8 [ 1363.613611] [] ? 0xffffffffb1c002b8 [ 1363.630677] [] ? copy_mount_options+0x23d/0x24d [ 1363.648915] [] SyS_mount+0xa3/0xda [ 1363.666407] [] mount_block_root+0x2fc/0x650 [ 1363.683296] [] ? init_rootfs+0x99/0x99 [ 1363.702690] [] ? security_file_ioctl+0xa5/0xb4 [ 1363.720187] [] ? SyS_mknod+0x2f/0x36 [ 1363.736186] [] mount_root+0x45/0x48 [ 1363.756610] [] prepare_namespace+0x1cf/0x235 [ 1363.775368] [] kernel_init_freeable+0x4fa/0x518 [ 1363.794257] [] kernel_init+0x16/0x181 [ 1363.812701] [] ret_from_fork+0x1f/0x40 [ 1363.830012] [] ? rest_init+0x8f/0x8f [ 1363.845224] ================================================================================ [ 1363.874775] ================================================================================ [ 1363.900771] UBSAN: Undefined behaviour in fs/ext4/super.c:3410:2 [ 1363.921203] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1363.947639] which requires 64 byte alignment [ 1363.961044] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1363.983034] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1364.014525] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1364.038045] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1364.061198] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1364.085047] Call Trace: [ 1364.094870] [] dump_stack+0xd7/0x132 [ 1364.110224] [] ? arch_local_irq_restore+0x1b/0x1b [ 1364.132747] [] ubsan_epilogue+0x12/0x53 [ 1364.153419] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1364.177974] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1364.202539] [] ext4_fill_super+0x1014/0xa2df [ 1364.218957] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1364.239892] [] ? netdev_bits+0x92/0x92 [ 1364.257256] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1364.277677] [] ? vsnprintf+0x1a0/0xa32 [ 1364.294054] [] ? pointer+0x7a9/0x7a9 [ 1364.311048] [] ? set_bdev_super+0x15d/0x15d [ 1364.329550] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1364.354227] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1364.379767] [] ? scnprintf+0xf3/0xf3 [ 1364.396768] [] mount_bdev+0x3cf/0x602 [ 1364.413680] [] ? mount_bdev+0x3cf/0x602 [ 1364.431230] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1364.452251] [] ext4_mount+0x3c/0x3e [ 1364.469479] [] mount_fs+0xd0/0x2ca [ 1364.485514] [] vfs_kern_mount+0xa0/0x20a [ 1364.508585] [] do_mount+0x11fe/0x19df [ 1364.524721] [] ? kasan_kmalloc+0x94/0xa3 [ 1364.549187] [] ? copy_mount_string+0x3d/0x3d [ 1364.567019] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1364.590699] [] ? __check_object_size+0x1e1/0x2b8 [ 1364.613422] [] ? 0xffffffffb1c002b8 [ 1364.631635] [] ? copy_mount_options+0x23d/0x24d [ 1364.653374] [] SyS_mount+0xa3/0xda [ 1364.672321] [] mount_block_root+0x2fc/0x650 [ 1364.689963] [] ? init_rootfs+0x99/0x99 [ 1364.708059] [] ? security_file_ioctl+0xa5/0xb4 [ 1364.725247] [] ? SyS_mknod+0x2f/0x36 [ 1364.742283] [] mount_root+0x45/0x48 [ 1364.758944] [] prepare_namespace+0x1cf/0x235 [ 1364.779537] [] kernel_init_freeable+0x4fa/0x518 [ 1364.796857] [] kernel_init+0x16/0x181 [ 1364.815079] [] ret_from_fork+0x1f/0x40 [ 1364.832063] [] ? rest_init+0x8f/0x8f [ 1364.846877] ================================================================================ [ 1364.874106] ================================================================================ [ 1364.901429] UBSAN: Undefined behaviour in fs/ext4/super.c:3410:2 [ 1364.920188] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1364.948758] which requires 64 byte alignment [ 1364.962378] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1364.978153] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1365.008820] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1365.034636] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1365.059647] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1365.085862] Call Trace: [ 1365.094224] [] dump_stack+0xd7/0x132 [ 1365.112599] [] ? arch_local_irq_restore+0x1b/0x1b [ 1365.130474] [] ubsan_epilogue+0x12/0x53 [ 1365.148088] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1365.168701] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1365.194265] [] ext4_fill_super+0x1040/0xa2df [ 1365.214900] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1365.233473] [] ? netdev_bits+0x92/0x92 [ 1365.254090] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1365.273006] [] ? vsnprintf+0x1a0/0xa32 [ 1365.290028] [] ? pointer+0x7a9/0x7a9 [ 1365.308033] [] ? set_bdev_super+0x15d/0x15d [ 1365.325059] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1365.349969] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1365.373232] [] ? scnprintf+0xf3/0xf3 [ 1365.387403] [] mount_bdev+0x3cf/0x602 [ 1365.405117] [] ? mount_bdev+0x3cf/0x602 [ 1365.422961] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1365.446589] [] ext4_mount+0x3c/0x3e [ 1365.464169] [] mount_fs+0xd0/0x2ca [ 1365.477566] [] vfs_kern_mount+0xa0/0x20a [ 1365.497068] [] do_mount+0x11fe/0x19df [ 1365.516667] [] ? kasan_kmalloc+0x94/0xa3 [ 1365.536053] [] ? copy_mount_string+0x3d/0x3d [ 1365.557389] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1365.578895] [] ? __check_object_size+0x1e1/0x2b8 [ 1365.598036] [] ? 0xffffffffb1c002b8 [ 1365.615578] [] ? copy_mount_options+0x23d/0x24d [ 1365.636231] [] SyS_mount+0xa3/0xda [ 1365.654576] [] mount_block_root+0x2fc/0x650 [ 1365.674257] [] ? init_rootfs+0x99/0x99 [ 1365.693415] [] ? security_file_ioctl+0xa5/0xb4 [ 1365.713648] [] ? SyS_mknod+0x2f/0x36 [ 1365.731305] [] mount_root+0x45/0x48 [ 1365.745448] [] prepare_namespace+0x1cf/0x235 [ 1365.764316] [] kernel_init_freeable+0x4fa/0x518 [ 1365.785134] [] kernel_init+0x16/0x181 [ 1365.801530] [] ret_from_fork+0x1f/0x40 [ 1365.819124] [] ? rest_init+0x8f/0x8f [ 1365.837236] ================================================================================ [ 1365.865263] ================================================================================ [ 1365.894739] UBSAN: Undefined behaviour in fs/ext4/super.c:3412:2 [ 1365.914343] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1365.940018] which requires 64 byte alignment [ 1365.953730] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1365.974956] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1366.003168] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1366.025758] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1366.047853] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1366.076733] Call Trace: [ 1366.082477] [] dump_stack+0xd7/0x132 [ 1366.097802] [] ? arch_local_irq_restore+0x1b/0x1b [ 1366.124139] [] ubsan_epilogue+0x12/0x53 [ 1366.142864] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1366.165490] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1366.191501] [] ext4_fill_super+0x1080/0xa2df [ 1366.211573] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1366.231606] [] ? netdev_bits+0x92/0x92 [ 1366.247836] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1366.269848] [] ? vsnprintf+0x1a0/0xa32 [ 1366.286521] [] ? pointer+0x7a9/0x7a9 [ 1366.303526] [] ? set_bdev_super+0x15d/0x15d [ 1366.322904] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1366.347135] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1366.372679] [] ? scnprintf+0xf3/0xf3 [ 1366.387128] [] mount_bdev+0x3cf/0x602 [ 1366.407761] [] ? mount_bdev+0x3cf/0x602 [ 1366.426978] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1366.449621] [] ext4_mount+0x3c/0x3e [ 1366.464583] [] mount_fs+0xd0/0x2ca [ 1366.480029] [] vfs_kern_mount+0xa0/0x20a [ 1366.498417] [] do_mount+0x11fe/0x19df [ 1366.518050] [] ? kasan_kmalloc+0x94/0xa3 [ 1366.537681] [] ? copy_mount_string+0x3d/0x3d [ 1366.559096] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1366.580932] [] ? __check_object_size+0x1e1/0x2b8 [ 1366.598274] [] ? 0xffffffffb1c002b8 [ 1366.616241] [] ? copy_mount_options+0x23d/0x24d [ 1366.635818] [] SyS_mount+0xa3/0xda [ 1366.653294] [] mount_block_root+0x2fc/0x650 [ 1366.672874] [] ? init_rootfs+0x99/0x99 [ 1366.692084] [] ? security_file_ioctl+0xa5/0xb4 [ 1366.713265] [] ? SyS_mknod+0x2f/0x36 [ 1366.731883] [] mount_root+0x45/0x48 [ 1366.747014] [] prepare_namespace+0x1cf/0x235 [ 1366.767725] [] kernel_init_freeable+0x4fa/0x518 [ 1366.793123] [] kernel_init+0x16/0x181 [ 1366.813297] [] ret_from_fork+0x1f/0x40 [ 1366.830093] [] ? rest_init+0x8f/0x8f [ 1366.847607] ================================================================================ [ 1366.875926] ================================================================================ [ 1366.904816] UBSAN: Undefined behaviour in fs/ext4/super.c:3412:2 [ 1366.925202] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1366.953500] which requires 64 byte alignment [ 1366.966614] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1366.985959] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1367.014844] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1367.039037] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1367.066452] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1367.091982] Call Trace: [ 1367.098113] [] dump_stack+0xd7/0x132 [ 1367.115648] [] ? arch_local_irq_restore+0x1b/0x1b [ 1367.135876] [] ubsan_epilogue+0x12/0x53 [ 1367.155211] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1367.176301] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1367.199999] [] ext4_fill_super+0x10ac/0xa2df [ 1367.218048] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1367.236023] [] ? netdev_bits+0x92/0x92 [ 1367.255317] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1367.276884] [] ? vsnprintf+0x1a0/0xa32 [ 1367.295242] [] ? pointer+0x7a9/0x7a9 [ 1367.313753] [] ? set_bdev_super+0x15d/0x15d [ 1367.329351] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1367.353467] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1367.376609] [] ? scnprintf+0xf3/0xf3 [ 1367.394331] [] mount_bdev+0x3cf/0x602 [ 1367.412371] [] ? mount_bdev+0x3cf/0x602 [ 1367.429054] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1367.452332] [] ext4_mount+0x3c/0x3e [ 1367.472105] [] mount_fs+0xd0/0x2ca [ 1367.496039] [] vfs_kern_mount+0xa0/0x20a [ 1367.515789] [] do_mount+0x11fe/0x19df [ 1367.532550] [] ? kasan_kmalloc+0x94/0xa3 [ 1367.549237] [] ? copy_mount_string+0x3d/0x3d [ 1367.573530] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1367.594943] [] ? __check_object_size+0x1e1/0x2b8 [ 1367.616534] [] ? 0xffffffffb1c002b8 [ 1367.632634] [] ? copy_mount_options+0x23d/0x24d [ 1367.650107] [] SyS_mount+0xa3/0xda [ 1367.667120] [] mount_block_root+0x2fc/0x650 [ 1367.684749] [] ? init_rootfs+0x99/0x99 [ 1367.702326] [] ? security_file_ioctl+0xa5/0xb4 [ 1367.725325] [] ? SyS_mknod+0x2f/0x36 [ 1367.743027] [] mount_root+0x45/0x48 [ 1367.769711] [] prepare_namespace+0x1cf/0x235 [ 1367.790457] [] kernel_init_freeable+0x4fa/0x518 [ 1367.811492] [] kernel_init+0x16/0x181 [ 1367.830895] [] ret_from_fork+0x1f/0x40 [ 1367.847908] [] ? rest_init+0x8f/0x8f [ 1367.866358] ================================================================================ [ 1367.895725] ================================================================================ [ 1367.921359] UBSAN: Undefined behaviour in fs/ext4/super.c:3416:3 [ 1367.943206] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1367.971521] which requires 64 byte alignment [ 1367.985010] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1368.002394] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1368.035183] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1368.062442] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1368.089130] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1368.116041] Call Trace: [ 1368.126222] [] dump_stack+0xd7/0x132 [ 1368.142953] [] ? arch_local_irq_restore+0x1b/0x1b [ 1368.161825] [] ubsan_epilogue+0x12/0x53 [ 1368.179774] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1368.202342] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1368.222603] [] ext4_fill_super+0x110d/0xa2df [ 1368.244023] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1368.264105] [] ? netdev_bits+0x92/0x92 [ 1368.283081] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1368.303748] [] ? vsnprintf+0x1a0/0xa32 [ 1368.319775] [] ? pointer+0x7a9/0x7a9 [ 1368.336840] [] ? set_bdev_super+0x15d/0x15d [ 1368.355824] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1368.378227] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1368.406992] [] ? scnprintf+0xf3/0xf3 [ 1368.422326] [] mount_bdev+0x3cf/0x602 [ 1368.442918] [] ? mount_bdev+0x3cf/0x602 [ 1368.462411] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1368.482372] [] ext4_mount+0x3c/0x3e [ 1368.498873] [] mount_fs+0xd0/0x2ca [ 1368.516693] [] vfs_kern_mount+0xa0/0x20a [ 1368.537674] [] do_mount+0x11fe/0x19df [ 1368.558441] [] ? kasan_kmalloc+0x94/0xa3 [ 1368.585724] [] ? copy_mount_string+0x3d/0x3d [ 1368.611518] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1368.631890] [] ? __check_object_size+0x1e1/0x2b8 [ 1368.651033] [] ? 0xffffffffb1c002b8 [ 1368.668093] [] ? copy_mount_options+0x23d/0x24d [ 1368.691765] [] SyS_mount+0xa3/0xda [ 1368.708042] [] mount_block_root+0x2fc/0x650 [ 1368.727903] [] ? init_rootfs+0x99/0x99 [ 1368.743008] [] ? security_file_ioctl+0xa5/0xb4 [ 1368.767756] [] ? SyS_mknod+0x2f/0x36 [ 1368.785282] [] mount_root+0x45/0x48 [ 1368.801396] [] prepare_namespace+0x1cf/0x235 [ 1368.819735] [] kernel_init_freeable+0x4fa/0x518 [ 1368.841832] [] kernel_init+0x16/0x181 [ 1368.859301] [] ret_from_fork+0x1f/0x40 [ 1368.880051] [] ? rest_init+0x8f/0x8f [ 1368.898108] ================================================================================ [ 1368.933457] ================================================================================ [ 1368.959008] UBSAN: Undefined behaviour in fs/ext4/super.c:3416:3 [ 1368.978123] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1369.002871] which requires 64 byte alignment [ 1369.018418] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1369.038214] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1369.072894] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1369.098431] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1369.123847] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1369.152681] Call Trace: [ 1369.160675] [] dump_stack+0xd7/0x132 [ 1369.177895] [] ? arch_local_irq_restore+0x1b/0x1b [ 1369.197925] [] ubsan_epilogue+0x12/0x53 [ 1369.214860] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1369.237098] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1369.257806] [] ext4_fill_super+0x113c/0xa2df [ 1369.279645] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1369.297502] [] ? netdev_bits+0x92/0x92 [ 1369.315819] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1369.335921] [] ? vsnprintf+0x1a0/0xa32 [ 1369.357718] [] ? pointer+0x7a9/0x7a9 [ 1369.378740] [] ? set_bdev_super+0x15d/0x15d [ 1369.395900] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1369.417709] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1369.438688] [] ? scnprintf+0xf3/0xf3 [ 1369.457222] [] mount_bdev+0x3cf/0x602 [ 1369.474275] [] ? mount_bdev+0x3cf/0x602 [ 1369.493727] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1369.513616] [] ext4_mount+0x3c/0x3e [ 1369.531445] [] mount_fs+0xd0/0x2ca [ 1369.545923] [] vfs_kern_mount+0xa0/0x20a [ 1369.564822] [] do_mount+0x11fe/0x19df [ 1369.582496] [] ? kasan_kmalloc+0x94/0xa3 [ 1369.598988] [] ? copy_mount_string+0x3d/0x3d [ 1369.616334] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1369.635211] [] ? __check_object_size+0x1e1/0x2b8 [ 1369.655527] [] ? 0xffffffffb1c002b8 [ 1369.675888] [] ? copy_mount_options+0x23d/0x24d [ 1369.694597] [] SyS_mount+0xa3/0xda [ 1369.713563] [] mount_block_root+0x2fc/0x650 [ 1369.732143] [] ? init_rootfs+0x99/0x99 [ 1369.747749] [] ? security_file_ioctl+0xa5/0xb4 [ 1369.768678] [] ? SyS_mknod+0x2f/0x36 [ 1369.787344] [] mount_root+0x45/0x48 [ 1369.803346] [] prepare_namespace+0x1cf/0x235 [ 1369.821833] [] kernel_init_freeable+0x4fa/0x518 [ 1369.843969] [] kernel_init+0x16/0x181 [ 1369.862405] [] ret_from_fork+0x1f/0x40 [ 1369.877200] [] ? rest_init+0x8f/0x8f [ 1369.893826] ================================================================================ [ 1369.920065] ================================================================================ [ 1369.947845] UBSAN: Undefined behaviour in fs/ext4/super.c:3425:6 [ 1369.968359] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1369.997263] which requires 64 byte alignment [ 1370.012316] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1370.029709] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1370.063364] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1370.086854] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1370.112634] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1370.136555] Call Trace: [ 1370.144146] [] dump_stack+0xd7/0x132 [ 1370.163923] [] ? arch_local_irq_restore+0x1b/0x1b [ 1370.185003] [] ubsan_epilogue+0x12/0x53 [ 1370.202681] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1370.224670] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1370.248142] [] ext4_fill_super+0x12f9/0xa2df [ 1370.267849] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1370.288169] [] ? netdev_bits+0x92/0x92 [ 1370.305626] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1370.329837] [] ? vsnprintf+0x1a0/0xa32 [ 1370.345874] [] ? pointer+0x7a9/0x7a9 [ 1370.364229] [] ? set_bdev_super+0x15d/0x15d [ 1370.382445] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1370.403463] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1370.429004] [] ? scnprintf+0xf3/0xf3 [ 1370.447642] [] mount_bdev+0x3cf/0x602 [ 1370.465404] [] ? mount_bdev+0x3cf/0x602 [ 1370.482734] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1370.503284] [] ext4_mount+0x3c/0x3e [ 1370.520291] [] mount_fs+0xd0/0x2ca [ 1370.536012] [] vfs_kern_mount+0xa0/0x20a [ 1370.553178] [] do_mount+0x11fe/0x19df [ 1370.571725] [] ? kasan_kmalloc+0x94/0xa3 [ 1370.588852] [] ? copy_mount_string+0x3d/0x3d [ 1370.613679] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1370.635947] [] ? __check_object_size+0x1e1/0x2b8 [ 1370.655163] [] ? 0xffffffffb1c002b8 [ 1370.675454] [] ? copy_mount_options+0x23d/0x24d [ 1370.695264] [] SyS_mount+0xa3/0xda [ 1370.713968] [] mount_block_root+0x2fc/0x650 [ 1370.734478] [] ? init_rootfs+0x99/0x99 [ 1370.753413] [] ? security_file_ioctl+0xa5/0xb4 [ 1370.776623] [] ? SyS_mknod+0x2f/0x36 [ 1370.790194] [] mount_root+0x45/0x48 [ 1370.805170] [] prepare_namespace+0x1cf/0x235 [ 1370.828571] [] kernel_init_freeable+0x4fa/0x518 [ 1370.845505] [] kernel_init+0x16/0x181 [ 1370.863247] [] ret_from_fork+0x1f/0x40 [ 1370.880872] [] ? rest_init+0x8f/0x8f [ 1370.896898] ================================================================================ [ 1370.931592] ================================================================================ [ 1370.957484] UBSAN: Undefined behaviour in fs/ext4/super.c:3429:13 [ 1370.978633] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1371.010802] which requires 64 byte alignment [ 1371.023156] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1371.040887] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1371.076133] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1371.100518] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1371.124466] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1371.151129] Call Trace: [ 1371.158294] [] dump_stack+0xd7/0x132 [ 1371.177855] [] ? arch_local_irq_restore+0x1b/0x1b [ 1371.196896] [] ubsan_epilogue+0x12/0x53 [ 1371.214220] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1371.235237] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1371.256389] [] ext4_fill_super+0x13f8/0xa2df [ 1371.277915] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1371.295739] [] ? netdev_bits+0x92/0x92 [ 1371.313024] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1371.333440] [] ? vsnprintf+0x1a0/0xa32 [ 1371.354202] [] ? pointer+0x7a9/0x7a9 [ 1371.372737] [] ? set_bdev_super+0x15d/0x15d [ 1371.393629] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1371.415068] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1371.436778] [] ? scnprintf+0xf3/0xf3 [ 1371.455821] [] mount_bdev+0x3cf/0x602 [ 1371.472719] [] ? mount_bdev+0x3cf/0x602 [ 1371.490853] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1371.513368] [] ext4_mount+0x3c/0x3e [ 1371.529748] [] mount_fs+0xd0/0x2ca [ 1371.546293] [] vfs_kern_mount+0xa0/0x20a [ 1371.563673] [] do_mount+0x11fe/0x19df [ 1371.579811] [] ? kasan_kmalloc+0x94/0xa3 [ 1371.601770] [] ? copy_mount_string+0x3d/0x3d [ 1371.620296] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1371.645808] [] ? __check_object_size+0x1e1/0x2b8 [ 1371.669878] [] ? 0xffffffffb1c002b8 [ 1371.689403] [] ? copy_mount_options+0x23d/0x24d [ 1371.714375] [] SyS_mount+0xa3/0xda [ 1371.731522] [] mount_block_root+0x2fc/0x650 [ 1371.748773] [] ? init_rootfs+0x99/0x99 [ 1371.771597] [] ? security_file_ioctl+0xa5/0xb4 [ 1371.790226] [] ? SyS_mknod+0x2f/0x36 [ 1371.805465] [] mount_root+0x45/0x48 [ 1371.822212] [] prepare_namespace+0x1cf/0x235 [ 1371.840659] [] kernel_init_freeable+0x4fa/0x518 [ 1371.863149] [] kernel_init+0x16/0x181 [ 1371.879387] [] ret_from_fork+0x1f/0x40 [ 1371.896044] [] ? rest_init+0x8f/0x8f [ 1371.914157] ================================================================================ [ 1371.943384] ================================================================================ [ 1371.969598] UBSAN: Undefined behaviour in fs/ext4/super.c:3430:3 [ 1371.989449] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1372.017432] which requires 64 byte alignment [ 1372.033115] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1372.049646] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1372.080713] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1372.105024] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1372.133381] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1372.155404] Call Trace: [ 1372.163470] [] dump_stack+0xd7/0x132 [ 1372.182852] [] ? arch_local_irq_restore+0x1b/0x1b [ 1372.201867] [] ubsan_epilogue+0x12/0x53 [ 1372.217493] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1372.238313] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1372.263199] [] ext4_fill_super+0x1463/0xa2df [ 1372.282749] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1372.302960] [] ? netdev_bits+0x92/0x92 [ 1372.317952] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1372.338671] [] ? vsnprintf+0x1a0/0xa32 [ 1372.357492] [] ? pointer+0x7a9/0x7a9 [ 1372.373121] [] ? set_bdev_super+0x15d/0x15d [ 1372.390308] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1372.413548] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1372.436938] [] ? scnprintf+0xf3/0xf3 [ 1372.454699] [] mount_bdev+0x3cf/0x602 [ 1372.471936] [] ? mount_bdev+0x3cf/0x602 [ 1372.488894] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1372.508570] [] ext4_mount+0x3c/0x3e [ 1372.525395] [] mount_fs+0xd0/0x2ca [ 1372.540052] [] vfs_kern_mount+0xa0/0x20a [ 1372.561132] [] do_mount+0x11fe/0x19df [ 1372.578269] [] ? kasan_kmalloc+0x94/0xa3 [ 1372.596117] [] ? copy_mount_string+0x3d/0x3d [ 1372.613897] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1372.634255] [] ? __check_object_size+0x1e1/0x2b8 [ 1372.656193] [] ? 0xffffffffb1c002b8 [ 1372.673038] [] ? copy_mount_options+0x23d/0x24d [ 1372.694391] [] SyS_mount+0xa3/0xda [ 1372.712518] [] mount_block_root+0x2fc/0x650 [ 1372.730152] [] ? init_rootfs+0x99/0x99 [ 1372.745743] [] ? security_file_ioctl+0xa5/0xb4 [ 1372.769789] [] ? SyS_mknod+0x2f/0x36 [ 1372.788185] [] mount_root+0x45/0x48 [ 1372.805806] [] prepare_namespace+0x1cf/0x235 [ 1372.824128] [] kernel_init_freeable+0x4fa/0x518 [ 1372.847719] [] kernel_init+0x16/0x181 [ 1372.869431] [] ret_from_fork+0x1f/0x40 [ 1372.888500] [] ? rest_init+0x8f/0x8f [ 1372.905872] ================================================================================ [ 1372.936220] ================================================================================ [ 1372.967745] UBSAN: Undefined behaviour in fs/ext4/super.c:3430:3 [ 1372.990973] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1373.019492] which requires 64 byte alignment [ 1373.035184] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1373.052807] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1373.087661] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1373.112556] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1373.135982] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1373.159400] Call Trace: [ 1373.168328] [] dump_stack+0xd7/0x132 [ 1373.185574] [] ? arch_local_irq_restore+0x1b/0x1b [ 1373.206882] [] ubsan_epilogue+0x12/0x53 [ 1373.225472] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1373.248001] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1373.270235] [] ext4_fill_super+0x1508/0xa2df [ 1373.291635] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1373.312284] [] ? netdev_bits+0x92/0x92 [ 1373.331621] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1373.353298] [] ? vsnprintf+0x1a0/0xa32 [ 1373.370745] [] ? pointer+0x7a9/0x7a9 [ 1373.389785] [] ? set_bdev_super+0x15d/0x15d [ 1373.411458] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1373.434193] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1373.456608] [] ? scnprintf+0xf3/0xf3 [ 1373.473568] [] mount_bdev+0x3cf/0x602 [ 1373.490882] [] ? mount_bdev+0x3cf/0x602 [ 1373.511758] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1373.533291] [] ext4_mount+0x3c/0x3e [ 1373.549064] [] mount_fs+0xd0/0x2ca [ 1373.566814] [] vfs_kern_mount+0xa0/0x20a [ 1373.584439] [] do_mount+0x11fe/0x19df [ 1373.603045] [] ? kasan_kmalloc+0x94/0xa3 [ 1373.619949] [] ? copy_mount_string+0x3d/0x3d [ 1373.637438] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1373.658005] [] ? __check_object_size+0x1e1/0x2b8 [ 1373.677724] [] ? 0xffffffffb1c002b8 [ 1373.693320] [] ? copy_mount_options+0x23d/0x24d [ 1373.713093] [] SyS_mount+0xa3/0xda [ 1373.729898] [] mount_block_root+0x2fc/0x650 [ 1373.746962] [] ? init_rootfs+0x99/0x99 [ 1373.763363] [] ? security_file_ioctl+0xa5/0xb4 [ 1373.782125] [] ? SyS_mknod+0x2f/0x36 [ 1373.799025] [] mount_root+0x45/0x48 [ 1373.814326] [] prepare_namespace+0x1cf/0x235 [ 1373.833896] [] kernel_init_freeable+0x4fa/0x518 [ 1373.853739] [] kernel_init+0x16/0x181 [ 1373.871259] [] ret_from_fork+0x1f/0x40 [ 1373.892484] [] ? rest_init+0x8f/0x8f [ 1373.911640] ================================================================================ [ 1373.938155] ================================================================================ [ 1373.966956] UBSAN: Undefined behaviour in fs/ext4/super.c:3435:2 [ 1373.986984] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1374.015562] which requires 64 byte alignment [ 1374.030849] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1374.046542] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1374.079589] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1374.103214] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1374.123071] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1374.150491] Call Trace: [ 1374.157860] [] dump_stack+0xd7/0x132 [ 1374.179661] [] ? arch_local_irq_restore+0x1b/0x1b [ 1374.199974] [] ubsan_epilogue+0x12/0x53 [ 1374.216829] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1374.238236] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1374.261880] [] ext4_fill_super+0x1559/0xa2df [ 1374.280659] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1374.303382] [] ? netdev_bits+0x92/0x92 [ 1374.318551] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1374.340944] [] ? vsnprintf+0x1a0/0xa32 [ 1374.356558] [] ? pointer+0x7a9/0x7a9 [ 1374.374909] [] ? set_bdev_super+0x15d/0x15d [ 1374.395370] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1374.430421] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1374.465950] [] ? scnprintf+0xf3/0xf3 [ 1374.490456] [] mount_bdev+0x3cf/0x602 [ 1374.513746] [] ? mount_bdev+0x3cf/0x602 [ 1374.531627] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1374.555598] [] ext4_mount+0x3c/0x3e [ 1374.573375] [] mount_fs+0xd0/0x2ca [ 1374.593942] [] vfs_kern_mount+0xa0/0x20a [ 1374.613362] [] do_mount+0x11fe/0x19df [ 1374.639796] [] ? kasan_kmalloc+0x94/0xa3 [ 1374.669629] [] ? copy_mount_string+0x3d/0x3d [ 1374.700042] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1374.731827] [] ? __check_object_size+0x1e1/0x2b8 [ 1374.756178] [] ? 0xffffffffb1c002b8 [ 1374.786519] [] ? copy_mount_options+0x23d/0x24d [ 1374.817020] [] SyS_mount+0xa3/0xda [ 1374.837777] [] mount_block_root+0x2fc/0x650 [ 1374.865027] [] ? init_rootfs+0x99/0x99 [ 1374.894729] [] ? security_file_ioctl+0xa5/0xb4 [ 1374.918308] [] ? SyS_mknod+0x2f/0x36 [ 1374.958528] [] mount_root+0x45/0x48 [ 1374.974843] [] prepare_namespace+0x1cf/0x235 [ 1375.004116] [] kernel_init_freeable+0x4fa/0x518 [ 1375.024436] [] kernel_init+0x16/0x181 [ 1375.050610] [] ret_from_fork+0x1f/0x40 [ 1375.071660] [] ? rest_init+0x8f/0x8f [ 1375.097887] ================================================================================ [ 1375.124405] ================================================================================ [ 1375.154770] UBSAN: Undefined behaviour in fs/ext4/super.c:3435:2 [ 1375.182799] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1375.223027] which requires 64 byte alignment [ 1375.248984] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1375.273392] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1375.316726] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1375.355018] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1375.390060] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1375.419942] Call Trace: [ 1375.430428] [] dump_stack+0xd7/0x132 [ 1375.447859] [] ? arch_local_irq_restore+0x1b/0x1b [ 1375.471434] [] ubsan_epilogue+0x12/0x53 [ 1375.492422] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1375.517973] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1375.548845] [] ext4_fill_super+0x1588/0xa2df [ 1375.569943] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1375.590620] [] ? netdev_bits+0x92/0x92 [ 1375.613502] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1375.636540] [] ? vsnprintf+0x1a0/0xa32 [ 1375.659535] [] ? pointer+0x7a9/0x7a9 [ 1375.682188] [] ? set_bdev_super+0x15d/0x15d [ 1375.703758] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1375.730766] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1375.755067] [] ? scnprintf+0xf3/0xf3 [ 1375.776647] [] mount_bdev+0x3cf/0x602 [ 1375.798719] [] ? mount_bdev+0x3cf/0x602 [ 1375.815953] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1375.838163] [] ext4_mount+0x3c/0x3e [ 1375.855631] [] mount_fs+0xd0/0x2ca [ 1375.872714] [] vfs_kern_mount+0xa0/0x20a [ 1375.891279] [] do_mount+0x11fe/0x19df [ 1375.912099] [] ? kasan_kmalloc+0x94/0xa3 [ 1375.931465] [] ? copy_mount_string+0x3d/0x3d [ 1375.950347] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1375.975311] [] ? __check_object_size+0x1e1/0x2b8 [ 1376.002866] [] ? 0xffffffffb1c002b8 [ 1376.022058] [] ? copy_mount_options+0x23d/0x24d [ 1376.046908] [] SyS_mount+0xa3/0xda [ 1376.064970] [] mount_block_root+0x2fc/0x650 [ 1376.086298] [] ? init_rootfs+0x99/0x99 [ 1376.104458] [] ? security_file_ioctl+0xa5/0xb4 [ 1376.124245] [] ? SyS_mknod+0x2f/0x36 [ 1376.146819] [] mount_root+0x45/0x48 [ 1376.164429] [] prepare_namespace+0x1cf/0x235 [ 1376.184948] [] kernel_init_freeable+0x4fa/0x518 [ 1376.206139] [] kernel_init+0x16/0x181 [ 1376.223270] [] ret_from_fork+0x1f/0x40 [ 1376.241997] [] ? rest_init+0x8f/0x8f [ 1376.260393] ================================================================================ [ 1376.289662] ================================================================================ [ 1376.317747] UBSAN: Undefined behaviour in fs/ext4/super.c:3439:16 [ 1376.338865] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1376.369035] which requires 64 byte alignment [ 1376.384101] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1376.404793] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1376.437669] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1376.464769] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1376.489651] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1376.517653] Call Trace: [ 1376.525192] [] dump_stack+0xd7/0x132 [ 1376.542345] [] ? arch_local_irq_restore+0x1b/0x1b [ 1376.569862] [] ubsan_epilogue+0x12/0x53 [ 1376.590620] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1376.615856] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1376.638871] [] ext4_fill_super+0x1691/0xa2df [ 1376.661095] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1376.683307] [] ? netdev_bits+0x92/0x92 [ 1376.702669] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1376.725139] [] ? vsnprintf+0x1a0/0xa32 [ 1376.747831] [] ? pointer+0x7a9/0x7a9 [ 1376.771248] [] ? set_bdev_super+0x15d/0x15d [ 1376.787576] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1376.814264] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1376.840697] [] ? scnprintf+0xf3/0xf3 [ 1376.863959] [] mount_bdev+0x3cf/0x602 [ 1376.882855] [] ? mount_bdev+0x3cf/0x602 [ 1376.903093] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1376.928895] [] ext4_mount+0x3c/0x3e [ 1376.947714] [] mount_fs+0xd0/0x2ca [ 1376.964994] [] vfs_kern_mount+0xa0/0x20a [ 1376.988585] [] do_mount+0x11fe/0x19df [ 1377.009515] [] ? kasan_kmalloc+0x94/0xa3 [ 1377.031377] [] ? copy_mount_string+0x3d/0x3d [ 1377.052901] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1377.069795] [] ? __check_object_size+0x1e1/0x2b8 [ 1377.091927] [] ? 0xffffffffb1c002b8 [ 1377.112584] [] ? copy_mount_options+0x23d/0x24d [ 1377.135498] [] SyS_mount+0xa3/0xda [ 1377.152925] [] mount_block_root+0x2fc/0x650 [ 1377.174304] [] ? init_rootfs+0x99/0x99 [ 1377.197757] [] ? security_file_ioctl+0xa5/0xb4 [ 1377.219089] [] ? SyS_mknod+0x2f/0x36 [ 1377.243808] [] mount_root+0x45/0x48 [ 1377.266073] [] prepare_namespace+0x1cf/0x235 [ 1377.289767] [] kernel_init_freeable+0x4fa/0x518 [ 1377.316161] [] kernel_init+0x16/0x181 [ 1377.338221] [] ret_from_fork+0x1f/0x40 [ 1377.358022] [] ? rest_init+0x8f/0x8f [ 1377.377580] ================================================================================ [ 1377.411029] ================================================================================ [ 1377.438405] UBSAN: Undefined behaviour in fs/ext4/super.c:3442:16 [ 1377.463224] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1377.497219] which requires 64 byte alignment [ 1377.510033] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1377.533154] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1377.609849] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1377.678105] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1377.735880] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1377.774979] Call Trace: [ 1377.789999] [] dump_stack+0xd7/0x132 [ 1377.812708] [] ? arch_local_irq_restore+0x1b/0x1b [ 1377.836415] [] ubsan_epilogue+0x12/0x53 [ 1377.855229] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1377.882133] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1377.907782] [] ? map_id_down+0x11c/0x12b [ 1377.932762] [] ext4_fill_super+0x17a6/0xa2df [ 1377.952651] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1377.974071] [] ? netdev_bits+0x92/0x92 [ 1377.992724] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1378.016812] [] ? vsnprintf+0x1a0/0xa32 [ 1378.035923] [] ? pointer+0x7a9/0x7a9 [ 1378.055156] [] ? set_bdev_super+0x15d/0x15d [ 1378.074117] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1378.100028] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1378.122969] [] ? scnprintf+0xf3/0xf3 [ 1378.139916] [] mount_bdev+0x3cf/0x602 [ 1378.159144] [] ? mount_bdev+0x3cf/0x602 [ 1378.186892] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1378.212812] [] ext4_mount+0x3c/0x3e [ 1378.231225] [] mount_fs+0xd0/0x2ca [ 1378.250877] [] vfs_kern_mount+0xa0/0x20a [ 1378.271493] [] do_mount+0x11fe/0x19df [ 1378.289134] [] ? kasan_kmalloc+0x94/0xa3 [ 1378.311676] [] ? copy_mount_string+0x3d/0x3d [ 1378.339844] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1378.380494] [] ? __check_object_size+0x1e1/0x2b8 [ 1378.418243] [] ? 0xffffffffb1c002b8 [ 1378.437309] [] ? copy_mount_options+0x23d/0x24d [ 1378.468521] [] SyS_mount+0xa3/0xda [ 1378.489828] [] mount_block_root+0x2fc/0x650 [ 1378.515693] [] ? init_rootfs+0x99/0x99 [ 1378.537575] [] ? security_file_ioctl+0xa5/0xb4 [ 1378.564855] [] ? SyS_mknod+0x2f/0x36 [ 1378.588272] [] mount_root+0x45/0x48 [ 1378.609353] [] prepare_namespace+0x1cf/0x235 [ 1378.635211] [] kernel_init_freeable+0x4fa/0x518 [ 1378.657126] [] kernel_init+0x16/0x181 [ 1378.677865] [] ret_from_fork+0x1f/0x40 [ 1378.700708] [] ? rest_init+0x8f/0x8f [ 1378.718033] ================================================================================ [ 1378.751263] ================================================================================ [ 1378.782381] UBSAN: Undefined behaviour in fs/ext4/super.c:3445:25 [ 1378.806032] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1378.837627] which requires 64 byte alignment [ 1378.855223] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1378.875799] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1378.913659] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1378.939254] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1378.971597] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1379.002377] Call Trace: [ 1379.009905] [] dump_stack+0xd7/0x132 [ 1379.031649] [] ? arch_local_irq_restore+0x1b/0x1b [ 1379.054520] [] ubsan_epilogue+0x12/0x53 [ 1379.077008] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1379.105269] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1379.129791] [] ? map_id_down+0x11c/0x12b [ 1379.150513] [] ext4_fill_super+0x1860/0xa2df [ 1379.173001] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1379.194429] [] ? netdev_bits+0x92/0x92 [ 1379.215806] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1379.237094] [] ? vsnprintf+0x1a0/0xa32 [ 1379.257450] [] ? pointer+0x7a9/0x7a9 [ 1379.275719] [] ? set_bdev_super+0x15d/0x15d [ 1379.296790] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1379.322660] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1379.345670] [] ? scnprintf+0xf3/0xf3 [ 1379.365185] [] mount_bdev+0x3cf/0x602 [ 1379.382397] [] ? mount_bdev+0x3cf/0x602 [ 1379.402920] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1379.426204] [] ext4_mount+0x3c/0x3e [ 1379.445614] [] mount_fs+0xd0/0x2ca [ 1379.464412] [] vfs_kern_mount+0xa0/0x20a [ 1379.482693] [] do_mount+0x11fe/0x19df [ 1379.500806] [] ? kasan_kmalloc+0x94/0xa3 [ 1379.518771] [] ? copy_mount_string+0x3d/0x3d [ 1379.536855] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1379.557410] [] ? __check_object_size+0x1e1/0x2b8 [ 1379.582153] [] ? 0xffffffffb1c002b8 [ 1379.601878] [] ? copy_mount_options+0x23d/0x24d [ 1379.623508] [] SyS_mount+0xa3/0xda [ 1379.640623] [] mount_block_root+0x2fc/0x650 [ 1379.662402] [] ? init_rootfs+0x99/0x99 [ 1379.682292] [] ? security_file_ioctl+0xa5/0xb4 [ 1379.704720] [] ? SyS_mknod+0x2f/0x36 [ 1379.724428] [] mount_root+0x45/0x48 [ 1379.742330] [] prepare_namespace+0x1cf/0x235 [ 1379.760343] [] kernel_init_freeable+0x4fa/0x518 [ 1379.784639] [] kernel_init+0x16/0x181 [ 1379.806256] [] ret_from_fork+0x1f/0x40 [ 1379.824444] [] ? rest_init+0x8f/0x8f [ 1379.842611] ================================================================================ [ 1379.876356] ================================================================================ [ 1379.930415] UBSAN: Undefined behaviour in fs/ext4/super.c:3446:24 [ 1379.975997] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1380.040361] which requires 64 byte alignment [ 1380.073673] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1380.110811] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1380.156506] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1380.187080] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1380.226410] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1380.258105] Call Trace: [ 1380.270200] [] dump_stack+0xd7/0x132 [ 1380.292943] [] ? arch_local_irq_restore+0x1b/0x1b [ 1380.317844] [] ubsan_epilogue+0x12/0x53 [ 1380.339078] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1380.364026] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1380.388859] [] ? map_id_down+0x11c/0x12b [ 1380.408649] [] ext4_fill_super+0x189b/0xa2df [ 1380.432818] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1380.454138] [] ? netdev_bits+0x92/0x92 [ 1380.471345] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1380.494225] [] ? vsnprintf+0x1a0/0xa32 [ 1380.509806] [] ? pointer+0x7a9/0x7a9 [ 1380.526882] [] ? set_bdev_super+0x15d/0x15d [ 1380.550049] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1380.571405] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1380.599845] [] ? scnprintf+0xf3/0xf3 [ 1380.619450] [] mount_bdev+0x3cf/0x602 [ 1380.639567] [] ? mount_bdev+0x3cf/0x602 [ 1380.659709] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1380.685854] [] ext4_mount+0x3c/0x3e [ 1380.707252] [] mount_fs+0xd0/0x2ca [ 1380.725177] [] vfs_kern_mount+0xa0/0x20a [ 1380.754809] [] do_mount+0x11fe/0x19df [ 1380.775647] [] ? kasan_kmalloc+0x94/0xa3 [ 1380.805505] [] ? copy_mount_string+0x3d/0x3d [ 1380.829902] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1380.855466] [] ? __check_object_size+0x1e1/0x2b8 [ 1380.889572] [] ? 0xffffffffb1c002b8 [ 1380.912015] [] ? copy_mount_options+0x23d/0x24d [ 1380.934955] [] SyS_mount+0xa3/0xda [ 1380.954711] [] mount_block_root+0x2fc/0x650 [ 1380.974764] [] ? init_rootfs+0x99/0x99 [ 1380.994153] [] ? security_file_ioctl+0xa5/0xb4 [ 1381.017226] [] ? SyS_mknod+0x2f/0x36 [ 1381.035180] [] mount_root+0x45/0x48 [ 1381.051621] [] prepare_namespace+0x1cf/0x235 [ 1381.072814] [] kernel_init_freeable+0x4fa/0x518 [ 1381.102947] [] kernel_init+0x16/0x181 [ 1381.125047] [] ret_from_fork+0x1f/0x40 [ 1381.144336] [] ? rest_init+0x8f/0x8f [ 1381.170577] ================================================================================ [ 1381.202839] ================================================================================ [ 1381.232518] UBSAN: Undefined behaviour in fs/ext4/super.c:3447:24 [ 1381.252925] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1381.282479] which requires 64 byte alignment [ 1381.293754] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1381.316256] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1381.350322] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1381.373565] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1381.395850] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1381.419852] Call Trace: [ 1381.430412] [] dump_stack+0xd7/0x132 [ 1381.446572] [] ? arch_local_irq_restore+0x1b/0x1b [ 1381.470120] [] ubsan_epilogue+0x12/0x53 [ 1381.490643] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1381.515193] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1381.538263] [] ? map_id_down+0x11c/0x12b [ 1381.557283] [] ext4_fill_super+0x18cc/0xa2df [ 1381.577819] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1381.602073] [] ? netdev_bits+0x92/0x92 [ 1381.618068] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1381.638161] [] ? vsnprintf+0x1a0/0xa32 [ 1381.657706] [] ? pointer+0x7a9/0x7a9 [ 1381.674673] [] ? set_bdev_super+0x15d/0x15d [ 1381.696005] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1381.722292] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1381.751138] [] ? scnprintf+0xf3/0xf3 [ 1381.767166] [] mount_bdev+0x3cf/0x602 [ 1381.788393] [] ? mount_bdev+0x3cf/0x602 [ 1381.810812] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1381.836238] [] ext4_mount+0x3c/0x3e [ 1381.854861] [] mount_fs+0xd0/0x2ca [ 1381.873044] [] vfs_kern_mount+0xa0/0x20a [ 1381.893745] [] do_mount+0x11fe/0x19df [ 1381.918503] [] ? kasan_kmalloc+0x94/0xa3 [ 1381.937324] [] ? copy_mount_string+0x3d/0x3d [ 1381.958135] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1381.977568] [] ? __check_object_size+0x1e1/0x2b8 [ 1382.002601] [] ? 0xffffffffb1c002b8 [ 1382.021369] [] ? copy_mount_options+0x23d/0x24d [ 1382.040133] [] SyS_mount+0xa3/0xda [ 1382.058203] [] mount_block_root+0x2fc/0x650 [ 1382.077356] [] ? init_rootfs+0x99/0x99 [ 1382.095622] [] ? security_file_ioctl+0xa5/0xb4 [ 1382.116272] [] ? SyS_mknod+0x2f/0x36 [ 1382.134854] [] mount_root+0x45/0x48 [ 1382.153670] [] prepare_namespace+0x1cf/0x235 [ 1382.175029] [] kernel_init_freeable+0x4fa/0x518 [ 1382.201115] [] kernel_init+0x16/0x181 [ 1382.218827] [] ret_from_fork+0x1f/0x40 [ 1382.238278] [] ? rest_init+0x8f/0x8f [ 1382.255930] ================================================================================ [ 1382.287146] ================================================================================ [ 1382.316479] UBSAN: Undefined behaviour in fs/ext4/super.c:3450:3 [ 1382.336157] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1382.368002] which requires 64 byte alignment [ 1382.383064] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1382.403623] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1382.437421] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1382.461801] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1382.492435] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1382.520246] Call Trace: [ 1382.526642] [] dump_stack+0xd7/0x132 [ 1382.544841] [] ? arch_local_irq_restore+0x1b/0x1b [ 1382.570250] [] ubsan_epilogue+0x12/0x53 [ 1382.587145] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1382.613717] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1382.638235] [] ? map_id_down+0x11c/0x12b [ 1382.661875] [] ext4_fill_super+0x193f/0xa2df [ 1382.683760] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1382.703922] [] ? netdev_bits+0x92/0x92 [ 1382.723742] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1382.749013] [] ? vsnprintf+0x1a0/0xa32 [ 1382.767198] [] ? pointer+0x7a9/0x7a9 [ 1382.786786] [] ? set_bdev_super+0x15d/0x15d [ 1382.811619] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1382.835814] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1382.864637] [] ? scnprintf+0xf3/0xf3 [ 1382.887311] [] mount_bdev+0x3cf/0x602 [ 1382.904592] [] ? mount_bdev+0x3cf/0x602 [ 1382.924181] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1382.946348] [] ext4_mount+0x3c/0x3e [ 1382.962972] [] mount_fs+0xd0/0x2ca [ 1382.982465] [] vfs_kern_mount+0xa0/0x20a [ 1383.002772] [] do_mount+0x11fe/0x19df [ 1383.020645] [] ? kasan_kmalloc+0x94/0xa3 [ 1383.039087] [] ? copy_mount_string+0x3d/0x3d [ 1383.058055] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1383.081073] [] ? __check_object_size+0x1e1/0x2b8 [ 1383.104944] [] ? 0xffffffffb1c002b8 [ 1383.123956] [] ? copy_mount_options+0x23d/0x24d [ 1383.144439] [] SyS_mount+0xa3/0xda [ 1383.161941] [] mount_block_root+0x2fc/0x650 [ 1383.181307] [] ? init_rootfs+0x99/0x99 [ 1383.204845] [] ? security_file_ioctl+0xa5/0xb4 [ 1383.224721] [] ? SyS_mknod+0x2f/0x36 [ 1383.242057] [] mount_root+0x45/0x48 [ 1383.261527] [] prepare_namespace+0x1cf/0x235 [ 1383.282882] [] kernel_init_freeable+0x4fa/0x518 [ 1383.306438] [] kernel_init+0x16/0x181 [ 1383.323246] [] ret_from_fork+0x1f/0x40 [ 1383.340656] [] ? rest_init+0x8f/0x8f [ 1383.359299] ================================================================================ [ 1383.395656] ================================================================================ [ 1383.425901] UBSAN: Undefined behaviour in fs/ext4/super.c:3450:3 [ 1383.445368] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1383.478855] which requires 64 byte alignment [ 1383.494374] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1383.515551] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1383.549394] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1383.575976] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1383.603753] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1383.628174] Call Trace: [ 1383.638250] [] dump_stack+0xd7/0x132 [ 1383.665747] [] ? arch_local_irq_restore+0x1b/0x1b [ 1383.687103] [] ubsan_epilogue+0x12/0x53 [ 1383.707774] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1383.733581] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1383.757750] [] ? map_id_down+0x11c/0x12b [ 1383.776078] [] ext4_fill_super+0x196e/0xa2df [ 1383.798979] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1383.821551] [] ? netdev_bits+0x92/0x92 [ 1383.837367] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1383.863792] [] ? vsnprintf+0x1a0/0xa32 [ 1383.885075] [] ? pointer+0x7a9/0x7a9 [ 1383.909349] [] ? set_bdev_super+0x15d/0x15d [ 1383.927440] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1383.957416] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1383.983837] [] ? scnprintf+0xf3/0xf3 [ 1384.004104] [] mount_bdev+0x3cf/0x602 [ 1384.022107] [] ? mount_bdev+0x3cf/0x602 [ 1384.043556] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1384.072114] [] ext4_mount+0x3c/0x3e [ 1384.089387] [] mount_fs+0xd0/0x2ca [ 1384.105939] [] vfs_kern_mount+0xa0/0x20a [ 1384.127984] [] do_mount+0x11fe/0x19df [ 1384.149725] [] ? kasan_kmalloc+0x94/0xa3 [ 1384.169816] [] ? copy_mount_string+0x3d/0x3d [ 1384.188636] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1384.212153] [] ? __check_object_size+0x1e1/0x2b8 [ 1384.236462] [] ? 0xffffffffb1c002b8 [ 1384.254123] [] ? copy_mount_options+0x23d/0x24d [ 1384.274852] [] SyS_mount+0xa3/0xda [ 1384.290042] [] mount_block_root+0x2fc/0x650 [ 1384.311760] [] ? init_rootfs+0x99/0x99 [ 1384.332017] [] ? security_file_ioctl+0xa5/0xb4 [ 1384.353412] [] ? SyS_mknod+0x2f/0x36 [ 1384.372456] [] mount_root+0x45/0x48 [ 1384.391038] [] prepare_namespace+0x1cf/0x235 [ 1384.422704] [] kernel_init_freeable+0x4fa/0x518 [ 1384.443331] [] kernel_init+0x16/0x181 [ 1384.462094] [] ret_from_fork+0x1f/0x40 [ 1384.482910] [] ? rest_init+0x8f/0x8f [ 1384.504316] ================================================================================ [ 1384.538522] ================================================================================ [ 1384.571819] UBSAN: Undefined behaviour in fs/ext4/super.c:3456:26 [ 1384.594556] member access within misaligned address ffff8800a2fa4ac8 for type 'struct super_block' [ 1384.628260] which requires 64 byte alignment [ 1384.641048] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1384.661128] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1384.696015] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1384.725616] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1384.753370] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1384.814942] Call Trace: [ 1384.843180] [] dump_stack+0xd7/0x132 [ 1384.911688] [] ? arch_local_irq_restore+0x1b/0x1b [ 1384.984536] [] ubsan_epilogue+0x12/0x53 [ 1385.011091] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1385.042395] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1385.072553] [] ? map_id_down+0x11c/0x12b [ 1385.092221] [] ext4_fill_super+0x19f7/0xa2df [ 1385.113632] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1385.133941] [] ? netdev_bits+0x92/0x92 [ 1385.155115] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1385.177457] [] ? vsnprintf+0x1a0/0xa32 [ 1385.196319] [] ? pointer+0x7a9/0x7a9 [ 1385.212703] [] ? set_bdev_super+0x15d/0x15d [ 1385.234495] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1385.258283] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1385.283341] [] ? scnprintf+0xf3/0xf3 [ 1385.302221] [] mount_bdev+0x3cf/0x602 [ 1385.319423] [] ? mount_bdev+0x3cf/0x602 [ 1385.339258] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1385.364370] [] ext4_mount+0x3c/0x3e [ 1385.385284] [] mount_fs+0xd0/0x2ca [ 1385.403921] [] vfs_kern_mount+0xa0/0x20a [ 1385.423864] [] do_mount+0x11fe/0x19df [ 1385.443736] [] ? kasan_kmalloc+0x94/0xa3 [ 1385.461631] [] ? copy_mount_string+0x3d/0x3d [ 1385.484369] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1385.505663] [] ? __check_object_size+0x1e1/0x2b8 [ 1385.527001] [] ? 0xffffffffb1c002b8 [ 1385.544905] [] ? copy_mount_options+0x23d/0x24d [ 1385.570931] [] SyS_mount+0xa3/0xda [ 1385.587789] [] mount_block_root+0x2fc/0x650 [ 1385.607459] [] ? init_rootfs+0x99/0x99 [ 1385.627452] [] ? security_file_ioctl+0xa5/0xb4 [ 1385.652079] [] ? SyS_mknod+0x2f/0x36 [ 1385.670509] [] mount_root+0x45/0x48 [ 1385.687049] [] prepare_namespace+0x1cf/0x235 [ 1385.708138] [] kernel_init_freeable+0x4fa/0x518 [ 1385.730068] [] kernel_init+0x16/0x181 [ 1385.752054] [] ret_from_fork+0x1f/0x40 [ 1385.771107] [] ? rest_init+0x8f/0x8f [ 1385.788369] ================================================================================ [ 1385.832380] ================================================================================ [ 1385.862200] UBSAN: Undefined behaviour in fs/ext4/super.c:3464:22 [ 1385.885801] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1385.912912] which requires 64 byte alignment [ 1385.928752] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1385.946265] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1385.979842] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1386.008340] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1386.035159] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1386.059815] Call Trace: [ 1386.072646] [] dump_stack+0xd7/0x132 [ 1386.089266] [] ? arch_local_irq_restore+0x1b/0x1b [ 1386.112342] [] ubsan_epilogue+0x12/0x53 [ 1386.133766] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1386.158996] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1386.186234] [] ? map_id_down+0x11c/0x12b [ 1386.206600] [] ext4_fill_super+0x1ad1/0xa2df [ 1386.225825] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1386.251587] [] ? netdev_bits+0x92/0x92 [ 1386.271307] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1386.292735] [] ? vsnprintf+0x1a0/0xa32 [ 1386.312798] [] ? pointer+0x7a9/0x7a9 [ 1386.333754] [] ? set_bdev_super+0x15d/0x15d [ 1386.352171] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1386.375850] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1386.402959] [] ? scnprintf+0xf3/0xf3 [ 1386.421219] [] mount_bdev+0x3cf/0x602 [ 1386.438721] [] ? mount_bdev+0x3cf/0x602 [ 1386.456719] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1386.478828] [] ext4_mount+0x3c/0x3e [ 1386.494867] [] mount_fs+0xd0/0x2ca [ 1386.518236] [] vfs_kern_mount+0xa0/0x20a [ 1386.540186] [] do_mount+0x11fe/0x19df [ 1386.557021] [] ? kasan_kmalloc+0x94/0xa3 [ 1386.577832] [] ? copy_mount_string+0x3d/0x3d [ 1386.597495] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1386.621685] [] ? __check_object_size+0x1e1/0x2b8 [ 1386.643092] [] ? 0xffffffffb1c002b8 [ 1386.660833] [] ? copy_mount_options+0x23d/0x24d [ 1386.684845] [] SyS_mount+0xa3/0xda [ 1386.703099] [] mount_block_root+0x2fc/0x650 [ 1386.724343] [] ? init_rootfs+0x99/0x99 [ 1386.744413] [] ? security_file_ioctl+0xa5/0xb4 [ 1386.765663] [] ? SyS_mknod+0x2f/0x36 [ 1386.785823] [] mount_root+0x45/0x48 [ 1386.811273] [] prepare_namespace+0x1cf/0x235 [ 1386.829756] [] kernel_init_freeable+0x4fa/0x518 [ 1386.857139] [] kernel_init+0x16/0x181 [ 1386.875475] [] ret_from_fork+0x1f/0x40 [ 1386.896249] [] ? rest_init+0x8f/0x8f [ 1386.919578] ================================================================================ [ 1386.945568] ================================================================================ [ 1386.976517] UBSAN: Undefined behaviour in fs/ext4/super.c:3466:33 [ 1387.004805] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1387.036542] which requires 64 byte alignment [ 1387.053411] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1387.074367] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1387.106245] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1387.134611] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1387.160919] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1387.190292] Call Trace: [ 1387.197011] [] dump_stack+0xd7/0x132 [ 1387.218060] [] ? arch_local_irq_restore+0x1b/0x1b [ 1387.238302] [] ubsan_epilogue+0x12/0x53 [ 1387.257329] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1387.286733] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1387.311057] [] ? map_id_down+0x11c/0x12b [ 1387.332688] [] ext4_fill_super+0x1b02/0xa2df [ 1387.353016] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1387.374505] [] ? netdev_bits+0x92/0x92 [ 1387.396128] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1387.428341] [] ? vsnprintf+0x1a0/0xa32 [ 1387.451419] [] ? pointer+0x7a9/0x7a9 [ 1387.470670] [] ? set_bdev_super+0x15d/0x15d [ 1387.491091] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1387.513518] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1387.537955] [] ? scnprintf+0xf3/0xf3 [ 1387.556103] [] mount_bdev+0x3cf/0x602 [ 1387.575622] [] ? mount_bdev+0x3cf/0x602 [ 1387.594438] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1387.619190] [] ext4_mount+0x3c/0x3e [ 1387.637260] [] mount_fs+0xd0/0x2ca [ 1387.654419] [] vfs_kern_mount+0xa0/0x20a [ 1387.674319] [] do_mount+0x11fe/0x19df [ 1387.693763] [] ? kasan_kmalloc+0x94/0xa3 [ 1387.712908] [] ? copy_mount_string+0x3d/0x3d [ 1387.735373] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1387.755237] [] ? __check_object_size+0x1e1/0x2b8 [ 1387.777216] [] ? 0xffffffffb1c002b8 [ 1387.795793] [] ? copy_mount_options+0x23d/0x24d [ 1387.820307] [] SyS_mount+0xa3/0xda [ 1387.836826] [] mount_block_root+0x2fc/0x650 [ 1387.855710] [] ? init_rootfs+0x99/0x99 [ 1387.874174] [] ? security_file_ioctl+0xa5/0xb4 [ 1387.898413] [] ? SyS_mknod+0x2f/0x36 [ 1387.920459] [] mount_root+0x45/0x48 [ 1387.938788] [] prepare_namespace+0x1cf/0x235 [ 1387.958583] [] kernel_init_freeable+0x4fa/0x518 [ 1387.980798] [] kernel_init+0x16/0x181 [ 1388.003378] [] ret_from_fork+0x1f/0x40 [ 1388.022761] [] ? rest_init+0x8f/0x8f [ 1388.038531] ================================================================================ [ 1388.073479] ================================================================================ [ 1388.103010] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1769:1 [ 1388.125660] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1388.154532] which requires 64 byte alignment [ 1388.170932] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1388.189772] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1388.223529] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5b0 ffffffffb26ec5cc [ 1388.249586] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1388.276229] 0000000000000010 ffff88005c9df5d8 ffff88005c9df588 ffffffffb363c3e0 [ 1388.302301] Call Trace: [ 1388.310081] [] dump_stack+0xd7/0x132 [ 1388.330255] [] ? arch_local_irq_restore+0x1b/0x1b [ 1388.353624] [] ubsan_epilogue+0x12/0x53 [ 1388.374572] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1388.407096] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1388.436345] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1388.459705] [] ? strpbrk+0x35/0x80 [ 1388.477729] [] ext4_has_feature_quota+0x52/0x8d [ 1388.498498] [] parse_options+0x18fe/0x202b [ 1388.517248] [] ? clear_qf_name+0x191/0x191 [ 1388.538640] [] ? ubsan_epilogue+0x26/0x53 [ 1388.557835] [] ? arch_local_irq_restore+0x6/0xd [ 1388.579446] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1388.608280] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1388.634951] [] ? map_id_down+0x11c/0x12b [ 1388.654251] [] ext4_fill_super+0x1b33/0xa2df [ 1388.676565] [] ? ext4_fill_super+0x1b33/0xa2df [ 1388.696897] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1388.720066] [] ? netdev_bits+0x92/0x92 [ 1388.740651] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1388.760460] [] ? vsnprintf+0x1a0/0xa32 [ 1388.781781] [] ? pointer+0x7a9/0x7a9 [ 1388.799288] [] ? set_bdev_super+0x15d/0x15d [ 1388.822218] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1388.844451] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1388.870772] [] ? scnprintf+0xf3/0xf3 [ 1388.888639] [] mount_bdev+0x3cf/0x602 [ 1388.907939] [] ? mount_bdev+0x3cf/0x602 [ 1388.927167] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1388.953251] [] ext4_mount+0x3c/0x3e [ 1388.971534] [] mount_fs+0xd0/0x2ca [ 1388.989023] [] vfs_kern_mount+0xa0/0x20a [ 1389.010130] [] do_mount+0x11fe/0x19df [ 1389.029472] [] ? kasan_kmalloc+0x94/0xa3 [ 1389.048236] [] ? copy_mount_string+0x3d/0x3d [ 1389.071036] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1389.092800] [] ? __check_object_size+0x1e1/0x2b8 [ 1389.114149] [] ? 0xffffffffb1c002b8 [ 1389.135591] [] ? copy_mount_options+0x23d/0x24d [ 1389.155469] [] SyS_mount+0xa3/0xda [ 1389.174987] [] mount_block_root+0x2fc/0x650 [ 1389.195180] [] ? init_rootfs+0x99/0x99 [ 1389.215504] [] ? security_file_ioctl+0xa5/0xb4 [ 1389.235454] [] ? SyS_mknod+0x2f/0x36 [ 1389.252495] [] mount_root+0x45/0x48 [ 1389.267383] [] prepare_namespace+0x1cf/0x235 [ 1389.290371] [] kernel_init_freeable+0x4fa/0x518 [ 1389.312926] [] kernel_init+0x16/0x181 [ 1389.333585] [] ret_from_fork+0x1f/0x40 [ 1389.355229] [] ? rest_init+0x8f/0x8f [ 1389.374292] ================================================================================ [ 1389.405234] ================================================================================ [ 1389.437380] UBSAN: Undefined behaviour in fs/ext4/super.c:1870:28 [ 1389.458165] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1389.492732] which requires 64 byte alignment [ 1389.507778] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1389.530920] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1389.563619] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c8 ffffffffb26ec5cc [ 1389.595448] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1389.624557] ffffffff00000010 ffff88005c9df5f0 ffff88005c9df5a0 ffffffffb363c3e0 [ 1389.653069] Call Trace: [ 1389.660226] [] dump_stack+0xd7/0x132 [ 1389.677891] [] ? arch_local_irq_restore+0x1b/0x1b [ 1389.703776] [] ubsan_epilogue+0x12/0x53 [ 1389.724356] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1389.747099] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1389.773980] [] ? strpbrk+0x35/0x80 [ 1389.790241] [] parse_options+0x1ad1/0x202b [ 1389.810959] [] ? clear_qf_name+0x191/0x191 [ 1389.829331] [] ? ubsan_epilogue+0x26/0x53 [ 1389.849219] [] ? arch_local_irq_restore+0x6/0xd [ 1389.873163] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1389.897303] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1389.924847] [] ? map_id_down+0x11c/0x12b [ 1389.945087] [] ext4_fill_super+0x1b33/0xa2df [ 1389.971840] [] ? ext4_fill_super+0x1b33/0xa2df [ 1390.002234] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1390.023830] [] ? netdev_bits+0x92/0x92 [ 1390.043192] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1390.067278] [] ? vsnprintf+0x1a0/0xa32 [ 1390.086775] [] ? pointer+0x7a9/0x7a9 [ 1390.105997] [] ? set_bdev_super+0x15d/0x15d [ 1390.127175] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1390.152726] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1390.176951] [] ? scnprintf+0xf3/0xf3 [ 1390.196965] [] mount_bdev+0x3cf/0x602 [ 1390.214917] [] ? mount_bdev+0x3cf/0x602 [ 1390.236293] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1390.258275] [] ext4_mount+0x3c/0x3e [ 1390.276543] [] mount_fs+0xd0/0x2ca [ 1390.297299] [] vfs_kern_mount+0xa0/0x20a [ 1390.315968] [] do_mount+0x11fe/0x19df [ 1390.338647] [] ? kasan_kmalloc+0x94/0xa3 [ 1390.360769] [] ? copy_mount_string+0x3d/0x3d [ 1390.383509] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1390.409650] [] ? __check_object_size+0x1e1/0x2b8 [ 1390.430743] [] ? 0xffffffffb1c002b8 [ 1390.451090] [] ? copy_mount_options+0x23d/0x24d [ 1390.473057] [] SyS_mount+0xa3/0xda [ 1390.490762] [] mount_block_root+0x2fc/0x650 [ 1390.511915] [] ? init_rootfs+0x99/0x99 [ 1390.533982] [] ? security_file_ioctl+0xa5/0xb4 [ 1390.556597] [] ? SyS_mknod+0x2f/0x36 [ 1390.575746] [] mount_root+0x45/0x48 [ 1390.597839] [] prepare_namespace+0x1cf/0x235 [ 1390.621891] [] kernel_init_freeable+0x4fa/0x518 [ 1390.645292] [] kernel_init+0x16/0x181 [ 1390.663993] [] ret_from_fork+0x1f/0x40 [ 1390.683674] [] ? rest_init+0x8f/0x8f [ 1390.703884] ================================================================================ [ 1390.737633] ================================================================================ [ 1390.766598] UBSAN: Undefined behaviour in fs/ext4/super.c:1870:57 [ 1390.789942] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1390.822599] which requires 64 byte alignment [ 1390.835665] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1390.856730] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1390.888737] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c8 ffffffffb26ec5cc [ 1390.913151] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1390.941980] ffffffff00000010 ffff88005c9df5f0 ffff88005c9df5a0 ffffffffb363c3e0 [ 1390.970709] Call Trace: [ 1390.976542] [] dump_stack+0xd7/0x132 [ 1390.996892] [] ? arch_local_irq_restore+0x1b/0x1b [ 1391.022316] [] ubsan_epilogue+0x12/0x53 [ 1391.041048] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1391.064524] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1391.091210] [] ? strpbrk+0x35/0x80 [ 1391.110230] [] parse_options+0x1b6f/0x202b [ 1391.129319] [] ? clear_qf_name+0x191/0x191 [ 1391.151548] [] ? ubsan_epilogue+0x26/0x53 [ 1391.172757] [] ? arch_local_irq_restore+0x6/0xd [ 1391.195271] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1391.219722] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1391.246779] [] ? map_id_down+0x11c/0x12b [ 1391.264913] [] ext4_fill_super+0x1b33/0xa2df [ 1391.290192] [] ? ext4_fill_super+0x1b33/0xa2df [ 1391.311365] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1391.333207] [] ? netdev_bits+0x92/0x92 [ 1391.353427] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1391.376166] [] ? vsnprintf+0x1a0/0xa32 [ 1391.397148] [] ? pointer+0x7a9/0x7a9 [ 1391.414073] [] ? set_bdev_super+0x15d/0x15d [ 1391.434784] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1391.458316] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1391.483292] [] ? scnprintf+0xf3/0xf3 [ 1391.503634] [] mount_bdev+0x3cf/0x602 [ 1391.522980] [] ? mount_bdev+0x3cf/0x602 [ 1391.542973] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1391.565602] [] ext4_mount+0x3c/0x3e [ 1391.584273] [] mount_fs+0xd0/0x2ca [ 1391.603687] [] vfs_kern_mount+0xa0/0x20a [ 1391.623633] [] do_mount+0x11fe/0x19df [ 1391.645648] [] ? kasan_kmalloc+0x94/0xa3 [ 1391.666278] [] ? copy_mount_string+0x3d/0x3d [ 1391.689964] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1391.711389] [] ? __check_object_size+0x1e1/0x2b8 [ 1391.732188] [] ? 0xffffffffb1c002b8 [ 1391.754904] [] ? copy_mount_options+0x23d/0x24d [ 1391.775885] [] SyS_mount+0xa3/0xda [ 1391.795060] [] mount_block_root+0x2fc/0x650 [ 1391.820176] [] ? init_rootfs+0x99/0x99 [ 1391.837492] [] ? security_file_ioctl+0xa5/0xb4 [ 1391.857591] [] ? SyS_mknod+0x2f/0x36 [ 1391.875773] [] mount_root+0x45/0x48 [ 1391.895185] [] prepare_namespace+0x1cf/0x235 [ 1391.915634] [] kernel_init_freeable+0x4fa/0x518 [ 1391.939272] [] kernel_init+0x16/0x181 [ 1391.958571] [] ret_from_fork+0x1f/0x40 [ 1391.980233] [] ? rest_init+0x8f/0x8f [ 1391.998130] ================================================================================ [ 1392.030457] ================================================================================ [ 1392.059879] UBSAN: Undefined behaviour in fs/ext4/super.c:1890:6 [ 1392.081001] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1392.125715] which requires 64 byte alignment [ 1392.142687] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1392.162708] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1392.195939] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c8 ffffffffb26ec5cc [ 1392.225301] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1392.252320] ffffffff00000010 ffff88005c9df5f0 ffff88005c9df5a0 ffffffffb363c3e0 [ 1392.280578] Call Trace: [ 1392.293370] [] dump_stack+0xd7/0x132 [ 1392.311375] [] ? arch_local_irq_restore+0x1b/0x1b [ 1392.334245] [] ubsan_epilogue+0x12/0x53 [ 1392.355156] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1392.380619] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1392.409440] [] ? strpbrk+0x35/0x80 [ 1392.428586] [] parse_options+0x1e43/0x202b [ 1392.450305] [] ? clear_qf_name+0x191/0x191 [ 1392.471864] [] ? ubsan_epilogue+0x26/0x53 [ 1392.493270] [] ? arch_local_irq_restore+0x6/0xd [ 1392.513273] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1392.576505] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1392.603228] [] ? map_id_down+0x11c/0x12b [ 1392.623425] [] ext4_fill_super+0x1b33/0xa2df [ 1392.644928] [] ? ext4_fill_super+0x1b33/0xa2df [ 1392.664066] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1392.683123] [] ? netdev_bits+0x92/0x92 [ 1392.704664] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1392.729491] [] ? vsnprintf+0x1a0/0xa32 [ 1392.749760] [] ? pointer+0x7a9/0x7a9 [ 1392.768803] [] ? set_bdev_super+0x15d/0x15d [ 1392.789907] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1392.814145] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1392.840520] [] ? scnprintf+0xf3/0xf3 [ 1392.856586] [] mount_bdev+0x3cf/0x602 [ 1392.877117] [] ? mount_bdev+0x3cf/0x602 [ 1392.896938] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1392.921026] [] ext4_mount+0x3c/0x3e [ 1392.938112] [] mount_fs+0xd0/0x2ca [ 1392.956682] [] vfs_kern_mount+0xa0/0x20a [ 1392.976429] [] do_mount+0x11fe/0x19df [ 1392.994890] [] ? kasan_kmalloc+0x94/0xa3 [ 1393.019491] [] ? copy_mount_string+0x3d/0x3d [ 1393.041253] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1393.064002] [] ? __check_object_size+0x1e1/0x2b8 [ 1393.085887] [] ? 0xffffffffb1c002b8 [ 1393.104901] [] ? copy_mount_options+0x23d/0x24d [ 1393.125949] [] SyS_mount+0xa3/0xda [ 1393.143633] [] mount_block_root+0x2fc/0x650 [ 1393.162587] [] ? init_rootfs+0x99/0x99 [ 1393.182656] [] ? security_file_ioctl+0xa5/0xb4 [ 1393.205502] [] ? SyS_mknod+0x2f/0x36 [ 1393.223480] [] mount_root+0x45/0x48 [ 1393.241209] [] prepare_namespace+0x1cf/0x235 [ 1393.263376] [] kernel_init_freeable+0x4fa/0x518 [ 1393.289246] [] kernel_init+0x16/0x181 [ 1393.306034] [] ret_from_fork+0x1f/0x40 [ 1393.327237] [] ? rest_init+0x8f/0x8f [ 1393.345732] ================================================================================ [ 1393.377120] ================================================================================ [ 1393.408047] UBSAN: Undefined behaviour in fs/ext4/super.c:1900:6 [ 1393.430632] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1393.461469] which requires 64 byte alignment [ 1393.477143] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1393.496441] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1393.530370] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c8 ffffffffb26ec5cc [ 1393.556284] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1393.581932] ffffffff00000010 ffff88005c9df5f0 ffff88005c9df5a0 ffffffffb363c3e0 [ 1393.610196] Call Trace: [ 1393.616354] [] dump_stack+0xd7/0x132 [ 1393.634711] [] ? arch_local_irq_restore+0x1b/0x1b [ 1393.658297] [] ubsan_epilogue+0x12/0x53 [ 1393.677171] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1393.701859] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1393.729169] [] ? strpbrk+0x35/0x80 [ 1393.747220] [] parse_options+0x1f3f/0x202b [ 1393.766705] [] ? clear_qf_name+0x191/0x191 [ 1393.788818] [] ? ubsan_epilogue+0x26/0x53 [ 1393.807615] [] ? arch_local_irq_restore+0x6/0xd [ 1393.831407] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1393.856078] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1393.882346] [] ? map_id_down+0x11c/0x12b [ 1393.902053] [] ext4_fill_super+0x1b33/0xa2df [ 1393.924816] [] ? ext4_fill_super+0x1b33/0xa2df [ 1393.943581] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1393.963146] [] ? netdev_bits+0x92/0x92 [ 1393.981033] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1394.006367] [] ? vsnprintf+0x1a0/0xa32 [ 1394.027748] [] ? pointer+0x7a9/0x7a9 [ 1394.049746] [] ? set_bdev_super+0x15d/0x15d [ 1394.068735] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1394.092983] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1394.116783] [] ? scnprintf+0xf3/0xf3 [ 1394.135854] [] mount_bdev+0x3cf/0x602 [ 1394.157221] [] ? mount_bdev+0x3cf/0x602 [ 1394.177060] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1394.202232] [] ext4_mount+0x3c/0x3e [ 1394.223328] [] mount_fs+0xd0/0x2ca [ 1394.242875] [] vfs_kern_mount+0xa0/0x20a [ 1394.263879] [] do_mount+0x11fe/0x19df [ 1394.280797] [] ? kasan_kmalloc+0x94/0xa3 [ 1394.298578] [] ? copy_mount_string+0x3d/0x3d [ 1394.324457] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1394.346597] [] ? __check_object_size+0x1e1/0x2b8 [ 1394.367776] [] ? 0xffffffffb1c002b8 [ 1394.386833] [] ? copy_mount_options+0x23d/0x24d [ 1394.408493] [] SyS_mount+0xa3/0xda [ 1394.427357] [] mount_block_root+0x2fc/0x650 [ 1394.449532] [] ? init_rootfs+0x99/0x99 [ 1394.467843] [] ? security_file_ioctl+0xa5/0xb4 [ 1394.491320] [] ? SyS_mknod+0x2f/0x36 [ 1394.508510] [] mount_root+0x45/0x48 [ 1394.529485] [] prepare_namespace+0x1cf/0x235 [ 1394.552477] [] kernel_init_freeable+0x4fa/0x518 [ 1394.575060] [] kernel_init+0x16/0x181 [ 1394.594061] [] ret_from_fork+0x1f/0x40 [ 1394.611578] [] ? rest_init+0x8f/0x8f [ 1394.630819] ================================================================================ [ 1394.659334] ================================================================================ [ 1394.692475] UBSAN: Undefined behaviour in fs/ext4/super.c:3472:28 [ 1394.716752] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1394.750276] which requires 64 byte alignment [ 1394.765822] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1394.791534] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1394.825501] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1394.853330] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1394.878862] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1394.905658] Call Trace: [ 1394.913225] [] dump_stack+0xd7/0x132 [ 1394.933747] [] ? arch_local_irq_restore+0x1b/0x1b [ 1394.957595] [] ubsan_epilogue+0x12/0x53 [ 1394.978088] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1395.008209] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1395.032777] [] ? map_id_down+0x11c/0x12b [ 1395.052962] [] ext4_fill_super+0x1b9f/0xa2df [ 1395.074489] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1395.095192] [] ? netdev_bits+0x92/0x92 [ 1395.114579] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1395.138845] [] ? vsnprintf+0x1a0/0xa32 [ 1395.156297] [] ? pointer+0x7a9/0x7a9 [ 1395.175691] [] ? set_bdev_super+0x15d/0x15d [ 1395.197133] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1395.225003] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1395.252391] [] ? scnprintf+0xf3/0xf3 [ 1395.271799] [] mount_bdev+0x3cf/0x602 [ 1395.290096] [] ? mount_bdev+0x3cf/0x602 [ 1395.308151] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1395.330083] [] ext4_mount+0x3c/0x3e [ 1395.348507] [] mount_fs+0xd0/0x2ca [ 1395.367381] [] vfs_kern_mount+0xa0/0x20a [ 1395.385663] [] do_mount+0x11fe/0x19df [ 1395.405318] [] ? kasan_kmalloc+0x94/0xa3 [ 1395.427522] [] ? copy_mount_string+0x3d/0x3d [ 1395.446823] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1395.466699] [] ? __check_object_size+0x1e1/0x2b8 [ 1395.490347] [] ? 0xffffffffb1c002b8 [ 1395.506698] [] ? copy_mount_options+0x23d/0x24d [ 1395.528567] [] SyS_mount+0xa3/0xda [ 1395.545829] [] mount_block_root+0x2fc/0x650 [ 1395.564809] [] ? init_rootfs+0x99/0x99 [ 1395.585156] [] ? security_file_ioctl+0xa5/0xb4 [ 1395.610911] [] ? SyS_mknod+0x2f/0x36 [ 1395.632459] [] mount_root+0x45/0x48 [ 1395.651024] [] prepare_namespace+0x1cf/0x235 [ 1395.673942] [] kernel_init_freeable+0x4fa/0x518 [ 1395.694607] [] kernel_init+0x16/0x181 [ 1395.713077] [] ret_from_fork+0x1f/0x40 [ 1395.733057] [] ? rest_init+0x8f/0x8f [ 1395.751190] ================================================================================ [ 1395.780737] ================================================================================ [ 1395.815197] UBSAN: Undefined behaviour in fs/ext4/super.c:3472:23 [ 1395.834011] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1395.870893] which requires 64 byte alignment [ 1395.883286] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1395.909635] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1395.943885] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1395.969796] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1395.996963] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1396.024880] Call Trace: [ 1396.034619] [] dump_stack+0xd7/0x132 [ 1396.052025] [] ? arch_local_irq_restore+0x1b/0x1b [ 1396.074279] [] ubsan_epilogue+0x12/0x53 [ 1396.091261] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1396.114850] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1396.143021] [] ? map_id_down+0x11c/0x12b [ 1396.162245] [] ext4_fill_super+0x1bd0/0xa2df [ 1396.186956] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1396.206595] [] ? netdev_bits+0x92/0x92 [ 1396.224266] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1396.248188] [] ? vsnprintf+0x1a0/0xa32 [ 1396.266822] [] ? pointer+0x7a9/0x7a9 [ 1396.283636] [] ? set_bdev_super+0x15d/0x15d [ 1396.306698] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1396.332246] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1396.357673] [] ? scnprintf+0xf3/0xf3 [ 1396.377178] [] mount_bdev+0x3cf/0x602 [ 1396.395656] [] ? mount_bdev+0x3cf/0x602 [ 1396.414829] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1396.438132] [] ext4_mount+0x3c/0x3e [ 1396.457364] [] mount_fs+0xd0/0x2ca [ 1396.475449] [] vfs_kern_mount+0xa0/0x20a [ 1396.494849] [] do_mount+0x11fe/0x19df [ 1396.511022] [] ? kasan_kmalloc+0x94/0xa3 [ 1396.529588] [] ? copy_mount_string+0x3d/0x3d [ 1396.548017] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1396.570600] [] ? __check_object_size+0x1e1/0x2b8 [ 1396.592129] [] ? 0xffffffffb1c002b8 [ 1396.609227] [] ? copy_mount_options+0x23d/0x24d [ 1396.630966] [] SyS_mount+0xa3/0xda [ 1396.647746] [] mount_block_root+0x2fc/0x650 [ 1396.670633] [] ? init_rootfs+0x99/0x99 [ 1396.690406] [] ? security_file_ioctl+0xa5/0xb4 [ 1396.710929] [] ? SyS_mknod+0x2f/0x36 [ 1396.728708] [] mount_root+0x45/0x48 [ 1396.746845] [] prepare_namespace+0x1cf/0x235 [ 1396.767855] [] kernel_init_freeable+0x4fa/0x518 [ 1396.790721] [] kernel_init+0x16/0x181 [ 1396.806523] [] ret_from_fork+0x1f/0x40 [ 1396.826558] [] ? rest_init+0x8f/0x8f [ 1396.846821] ================================================================================ [ 1396.879173] ================================================================================ [ 1396.909733] UBSAN: Undefined behaviour in fs/ext4/super.c:3477:6 [ 1396.929539] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1396.958977] which requires 64 byte alignment [ 1396.974340] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1396.995596] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1397.028621] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1397.052361] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1397.077283] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1397.103981] Call Trace: [ 1397.112684] [] dump_stack+0xd7/0x132 [ 1397.130653] [] ? arch_local_irq_restore+0x1b/0x1b [ 1397.150759] [] ubsan_epilogue+0x12/0x53 [ 1397.170856] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1397.195645] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1397.222376] [] ? map_id_down+0x11c/0x12b [ 1397.241851] [] ext4_fill_super+0x1c6f/0xa2df [ 1397.260849] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1397.278181] [] ? netdev_bits+0x92/0x92 [ 1397.298543] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1397.321808] [] ? vsnprintf+0x1a0/0xa32 [ 1397.343050] [] ? pointer+0x7a9/0x7a9 [ 1397.360197] [] ? set_bdev_super+0x15d/0x15d [ 1397.379757] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1397.403595] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1397.431609] [] ? scnprintf+0xf3/0xf3 [ 1397.451541] [] mount_bdev+0x3cf/0x602 [ 1397.471119] [] ? mount_bdev+0x3cf/0x602 [ 1397.491150] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1397.512220] [] ext4_mount+0x3c/0x3e [ 1397.530296] [] mount_fs+0xd0/0x2ca [ 1397.547325] [] vfs_kern_mount+0xa0/0x20a [ 1397.568240] [] do_mount+0x11fe/0x19df [ 1397.584117] [] ? kasan_kmalloc+0x94/0xa3 [ 1397.606612] [] ? copy_mount_string+0x3d/0x3d [ 1397.627855] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1397.649931] [] ? __check_object_size+0x1e1/0x2b8 [ 1397.673845] [] ? 0xffffffffb1c002b8 [ 1397.690464] [] ? copy_mount_options+0x23d/0x24d [ 1397.710084] [] SyS_mount+0xa3/0xda [ 1397.728153] [] mount_block_root+0x2fc/0x650 [ 1397.749774] [] ? init_rootfs+0x99/0x99 [ 1397.768750] [] ? security_file_ioctl+0xa5/0xb4 [ 1397.789426] [] ? SyS_mknod+0x2f/0x36 [ 1397.809705] [] mount_root+0x45/0x48 [ 1397.831608] [] prepare_namespace+0x1cf/0x235 [ 1397.851482] [] kernel_init_freeable+0x4fa/0x518 [ 1397.874827] [] kernel_init+0x16/0x181 [ 1397.894582] [] ret_from_fork+0x1f/0x40 [ 1397.913796] [] ? rest_init+0x8f/0x8f [ 1397.930266] ================================================================================ [ 1397.962099] ================================================================================ [ 1397.990543] UBSAN: Undefined behaviour in fs/ext4/super.c:3503:4 [ 1398.011649] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1398.043916] which requires 64 byte alignment [ 1398.059223] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1398.080415] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1398.114106] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1398.142051] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1398.168439] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1398.196035] Call Trace: [ 1398.203541] [] dump_stack+0xd7/0x132 [ 1398.224201] [] ? arch_local_irq_restore+0x1b/0x1b [ 1398.246522] [] ubsan_epilogue+0x12/0x53 [ 1398.266520] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1398.288276] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1398.317764] [] ? map_id_down+0x11c/0x12b [ 1398.334786] [] ext4_fill_super+0x1f74/0xa2df [ 1398.357009] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1398.378259] [] ? netdev_bits+0x92/0x92 [ 1398.396810] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1398.421921] [] ? vsnprintf+0x1a0/0xa32 [ 1398.438115] [] ? pointer+0x7a9/0x7a9 [ 1398.457560] [] ? set_bdev_super+0x15d/0x15d [ 1398.477582] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1398.501295] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1398.528656] [] ? scnprintf+0xf3/0xf3 [ 1398.547706] [] mount_bdev+0x3cf/0x602 [ 1398.566225] [] ? mount_bdev+0x3cf/0x602 [ 1398.582005] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1398.604861] [] ext4_mount+0x3c/0x3e [ 1398.624428] [] mount_fs+0xd0/0x2ca [ 1398.643570] [] vfs_kern_mount+0xa0/0x20a [ 1398.663891] [] do_mount+0x11fe/0x19df [ 1398.683993] [] ? kasan_kmalloc+0x94/0xa3 [ 1398.702554] [] ? copy_mount_string+0x3d/0x3d [ 1398.727859] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1398.748313] [] ? __check_object_size+0x1e1/0x2b8 [ 1398.772632] [] ? 0xffffffffb1c002b8 [ 1398.785750] [] ? copy_mount_options+0x23d/0x24d [ 1398.809617] [] SyS_mount+0xa3/0xda [ 1398.828989] [] mount_block_root+0x2fc/0x650 [ 1398.851238] [] ? init_rootfs+0x99/0x99 [ 1398.872429] [] ? security_file_ioctl+0xa5/0xb4 [ 1398.895152] [] ? SyS_mknod+0x2f/0x36 [ 1398.913215] [] mount_root+0x45/0x48 [ 1398.931098] [] prepare_namespace+0x1cf/0x235 [ 1398.953640] [] kernel_init_freeable+0x4fa/0x518 [ 1398.976418] [] kernel_init+0x16/0x181 [ 1398.996686] [] ret_from_fork+0x1f/0x40 [ 1399.016792] [] ? rest_init+0x8f/0x8f [ 1399.034025] ================================================================================ [ 1399.064440] ================================================================================ [ 1399.093925] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1399.115002] member access within misaligned address ffff8800a2fa4ac8 for type 'struct super_block' [ 1399.148298] which requires 64 byte alignment [ 1399.162609] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1399.182728] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1399.217618] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1399.247863] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1399.274142] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1399.299572] Call Trace: [ 1399.308937] [] dump_stack+0xd7/0x132 [ 1399.326215] [] ? arch_local_irq_restore+0x1b/0x1b [ 1399.349236] [] ubsan_epilogue+0x12/0x53 [ 1399.367939] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1399.392370] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1399.417398] [] ? map_id_down+0x11c/0x12b [ 1399.438068] [] ext4_fill_super+0x22f6/0xa2df [ 1399.459837] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1399.480093] [] ? netdev_bits+0x92/0x92 [ 1399.496719] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1399.518296] [] ? vsnprintf+0x1a0/0xa32 [ 1399.535331] [] ? pointer+0x7a9/0x7a9 [ 1399.555482] [] ? set_bdev_super+0x15d/0x15d [ 1399.578581] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1399.602306] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1399.627459] [] ? scnprintf+0xf3/0xf3 [ 1399.645963] [] mount_bdev+0x3cf/0x602 [ 1399.664084] [] ? mount_bdev+0x3cf/0x602 [ 1399.681118] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1399.703039] [] ext4_mount+0x3c/0x3e [ 1399.722023] [] mount_fs+0xd0/0x2ca [ 1399.741664] [] vfs_kern_mount+0xa0/0x20a [ 1399.761645] [] do_mount+0x11fe/0x19df [ 1399.777605] [] ? kasan_kmalloc+0x94/0xa3 [ 1399.797477] [] ? copy_mount_string+0x3d/0x3d [ 1399.819027] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1399.844073] [] ? __check_object_size+0x1e1/0x2b8 [ 1399.865119] [] ? 0xffffffffb1c002b8 [ 1399.882500] [] ? copy_mount_options+0x23d/0x24d [ 1399.910361] [] SyS_mount+0xa3/0xda [ 1399.926661] [] mount_block_root+0x2fc/0x650 [ 1399.946699] [] ? init_rootfs+0x99/0x99 [ 1399.965979] [] ? security_file_ioctl+0xa5/0xb4 [ 1399.987920] [] ? SyS_mknod+0x2f/0x36 [ 1400.007676] [] mount_root+0x45/0x48 [ 1400.026917] [] prepare_namespace+0x1cf/0x235 [ 1400.050550] [] kernel_init_freeable+0x4fa/0x518 [ 1400.072518] [] kernel_init+0x16/0x181 [ 1400.091591] [] ret_from_fork+0x1f/0x40 [ 1400.109275] [] ? rest_init+0x8f/0x8f [ 1400.126961] ================================================================================ [ 1400.156629] ================================================================================ [ 1400.191524] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1846:1 [ 1400.212352] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1400.242619] which requires 64 byte alignment [ 1400.262483] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1400.284255] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1400.317074] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1400.344816] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1400.372348] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1400.397715] Call Trace: [ 1400.408134] [] dump_stack+0xd7/0x132 [ 1400.426237] [] ? arch_local_irq_restore+0x1b/0x1b [ 1400.450010] [] ubsan_epilogue+0x12/0x53 [ 1400.472661] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1400.496582] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1400.520955] [] ? map_id_down+0x11c/0x12b [ 1400.541866] [] ext4_fill_super+0x2323/0xa2df [ 1400.563388] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1400.584767] [] ? netdev_bits+0x92/0x92 [ 1400.604139] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1400.629942] [] ? vsnprintf+0x1a0/0xa32 [ 1400.648882] [] ? pointer+0x7a9/0x7a9 [ 1400.668425] [] ? set_bdev_super+0x15d/0x15d [ 1400.689960] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1400.714606] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1400.739496] [] ? scnprintf+0xf3/0xf3 [ 1400.755767] [] mount_bdev+0x3cf/0x602 [ 1400.776661] [] ? mount_bdev+0x3cf/0x602 [ 1400.795908] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1400.821215] [] ext4_mount+0x3c/0x3e [ 1400.837248] [] mount_fs+0xd0/0x2ca [ 1400.853981] [] vfs_kern_mount+0xa0/0x20a [ 1400.875268] [] do_mount+0x11fe/0x19df [ 1400.893202] [] ? kasan_kmalloc+0x94/0xa3 [ 1400.913110] [] ? copy_mount_string+0x3d/0x3d [ 1400.932479] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1400.952963] [] ? __check_object_size+0x1e1/0x2b8 [ 1400.974627] [] ? 0xffffffffb1c002b8 [ 1400.992998] [] ? copy_mount_options+0x23d/0x24d [ 1401.014053] [] SyS_mount+0xa3/0xda [ 1401.032433] [] mount_block_root+0x2fc/0x650 [ 1401.052690] [] ? init_rootfs+0x99/0x99 [ 1401.074265] [] ? security_file_ioctl+0xa5/0xb4 [ 1401.093968] [] ? SyS_mknod+0x2f/0x36 [ 1401.110009] [] mount_root+0x45/0x48 [ 1401.128747] [] prepare_namespace+0x1cf/0x235 [ 1401.149808] [] kernel_init_freeable+0x4fa/0x518 [ 1401.170576] [] kernel_init+0x16/0x181 [ 1401.192031] [] ret_from_fork+0x1f/0x40 [ 1401.210793] [] ? rest_init+0x8f/0x8f [ 1401.227597] ================================================================================ [ 1401.256960] EXT4-fs (sda): couldn't mount as ext2 due to feature incompatibilities [ 1401.286783] ================================================================================ [ 1401.314771] UBSAN: Undefined behaviour in fs/ext4/super.c:4219:9 [ 1401.333800] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1401.364913] which requires 64 byte alignment [ 1401.378419] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1401.400884] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1401.435699] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1401.461882] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1401.487074] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1401.513668] Call Trace: [ 1401.519638] [] dump_stack+0xd7/0x132 [ 1401.537778] [] ? arch_local_irq_restore+0x1b/0x1b [ 1401.563454] [] ubsan_epilogue+0x12/0x53 [ 1401.581367] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1401.603099] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1401.630195] [] ? map_id_down+0x11c/0x12b [ 1401.649459] [] ? ext4_fill_super+0x2354/0xa2df [ 1401.668979] [] ext4_fill_super+0x9b74/0xa2df [ 1401.690137] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1401.709121] [] ? netdev_bits+0x92/0x92 [ 1401.725460] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1401.748833] [] ? vsnprintf+0x1a0/0xa32 [ 1401.766629] [] ? pointer+0x7a9/0x7a9 [ 1401.782684] [] ? set_bdev_super+0x15d/0x15d [ 1401.801925] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1401.828227] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1401.852739] [] ? scnprintf+0xf3/0xf3 [ 1401.872778] [] mount_bdev+0x3cf/0x602 [ 1401.897609] [] ? mount_bdev+0x3cf/0x602 [ 1401.937138] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1401.966387] [] ext4_mount+0x3c/0x3e [ 1401.982729] [] mount_fs+0xd0/0x2ca [ 1402.004812] [] vfs_kern_mount+0xa0/0x20a [ 1402.025318] [] do_mount+0x11fe/0x19df [ 1402.050336] [] ? kasan_kmalloc+0x94/0xa3 [ 1402.068439] [] ? copy_mount_string+0x3d/0x3d [ 1402.085623] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1402.106293] [] ? __check_object_size+0x1e1/0x2b8 [ 1402.130961] [] ? 0xffffffffb1c002b8 [ 1402.148833] [] ? copy_mount_options+0x23d/0x24d [ 1402.169282] [] SyS_mount+0xa3/0xda [ 1402.184638] [] mount_block_root+0x2fc/0x650 [ 1402.205298] [] ? init_rootfs+0x99/0x99 [ 1402.225186] [] ? security_file_ioctl+0xa5/0xb4 [ 1402.243897] [] ? SyS_mknod+0x2f/0x36 [ 1402.261346] [] mount_root+0x45/0x48 [ 1402.277122] [] prepare_namespace+0x1cf/0x235 [ 1402.297805] [] kernel_init_freeable+0x4fa/0x518 [ 1402.318208] [] kernel_init+0x16/0x181 [ 1402.337580] [] ret_from_fork+0x1f/0x40 [ 1402.355258] [] ? rest_init+0x8f/0x8f [ 1402.373046] ================================================================================ [ 1402.402106] ================================================================================ [ 1402.432033] UBSAN: Undefined behaviour in fs/ext4/super.c:4220:3 [ 1402.453335] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1402.482211] which requires 64 byte alignment [ 1402.497039] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1402.516382] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1402.549252] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1402.576991] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1402.602380] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1402.629969] Call Trace: [ 1402.636525] [] dump_stack+0xd7/0x132 [ 1402.656535] [] ? arch_local_irq_restore+0x1b/0x1b [ 1402.676876] [] ubsan_epilogue+0x12/0x53 [ 1402.697588] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1402.721065] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1402.747056] [] ? map_id_down+0x11c/0x12b [ 1402.764484] [] ? ext4_fill_super+0x2354/0xa2df [ 1402.784395] [] ext4_fill_super+0x9bab/0xa2df [ 1402.804561] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1402.828299] [] ? netdev_bits+0x92/0x92 [ 1402.846685] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1402.868505] [] ? vsnprintf+0x1a0/0xa32 [ 1402.887028] [] ? pointer+0x7a9/0x7a9 [ 1402.902143] [] ? set_bdev_super+0x15d/0x15d [ 1402.923240] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1402.948444] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1402.972677] [] ? scnprintf+0xf3/0xf3 [ 1402.989143] [] mount_bdev+0x3cf/0x602 [ 1403.004654] [] ? mount_bdev+0x3cf/0x602 [ 1403.027197] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1403.051536] [] ext4_mount+0x3c/0x3e [ 1403.067600] [] mount_fs+0xd0/0x2ca [ 1403.082007] [] vfs_kern_mount+0xa0/0x20a [ 1403.100822] [] do_mount+0x11fe/0x19df [ 1403.118366] [] ? kasan_kmalloc+0x94/0xa3 [ 1403.140049] [] ? copy_mount_string+0x3d/0x3d [ 1403.156681] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1403.176661] [] ? __check_object_size+0x1e1/0x2b8 [ 1403.199678] [] ? 0xffffffffb1c002b8 [ 1403.217717] [] ? copy_mount_options+0x23d/0x24d [ 1403.241206] [] SyS_mount+0xa3/0xda [ 1403.258047] [] mount_block_root+0x2fc/0x650 [ 1403.276995] [] ? init_rootfs+0x99/0x99 [ 1403.293799] [] ? security_file_ioctl+0xa5/0xb4 [ 1403.313346] [] ? SyS_mknod+0x2f/0x36 [ 1403.331353] [] mount_root+0x45/0x48 [ 1403.349976] [] prepare_namespace+0x1cf/0x235 [ 1403.369926] [] kernel_init_freeable+0x4fa/0x518 [ 1403.390053] [] kernel_init+0x16/0x181 [ 1403.409544] [] ret_from_fork+0x1f/0x40 [ 1403.426535] [] ? rest_init+0x8f/0x8f [ 1403.444008] ================================================================================ [ 1403.470780] ================================================================================ [ 1403.499072] UBSAN: Undefined behaviour in fs/ext4/super.c:4223:24 [ 1403.518603] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1403.551270] which requires 64 byte alignment [ 1403.566026] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1403.588251] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1403.620783] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1403.649541] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1403.676450] ffff880000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1403.704220] Call Trace: [ 1403.715088] [] dump_stack+0xd7/0x132 [ 1403.731287] [] ? arch_local_irq_restore+0x1b/0x1b [ 1403.754175] [] ubsan_epilogue+0x12/0x53 [ 1403.775256] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1403.798539] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1403.825981] [] ext4_fill_super+0x9bd7/0xa2df [ 1403.850397] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1403.875760] [] ? netdev_bits+0x92/0x92 [ 1403.899517] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1403.933326] [] ? vsnprintf+0x1a0/0xa32 [ 1403.953995] [] ? pointer+0x7a9/0x7a9 [ 1403.977494] [] ? set_bdev_super+0x15d/0x15d [ 1404.000943] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1404.031222] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1404.064186] [] ? scnprintf+0xf3/0xf3 [ 1404.084668] [] mount_bdev+0x3cf/0x602 [ 1404.108966] [] ? mount_bdev+0x3cf/0x602 [ 1404.128732] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1404.153443] [] ext4_mount+0x3c/0x3e [ 1404.177122] [] mount_fs+0xd0/0x2ca [ 1404.196736] [] vfs_kern_mount+0xa0/0x20a [ 1404.223401] [] do_mount+0x11fe/0x19df [ 1404.246488] [] ? kasan_kmalloc+0x94/0xa3 [ 1404.268686] [] ? copy_mount_string+0x3d/0x3d [ 1404.294228] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1404.316927] [] ? __check_object_size+0x1e1/0x2b8 [ 1404.343953] [] ? 0xffffffffb1c002b8 [ 1404.365559] [] ? copy_mount_options+0x23d/0x24d [ 1404.391804] [] SyS_mount+0xa3/0xda [ 1404.413058] [] mount_block_root+0x2fc/0x650 [ 1404.433013] [] ? init_rootfs+0x99/0x99 [ 1404.450447] [] ? security_file_ioctl+0xa5/0xb4 [ 1404.471722] [] ? SyS_mknod+0x2f/0x36 [ 1404.490648] [] mount_root+0x45/0x48 [ 1404.508756] [] prepare_namespace+0x1cf/0x235 [ 1404.529290] [] kernel_init_freeable+0x4fa/0x518 [ 1404.551079] [] kernel_init+0x16/0x181 [ 1404.569828] [] ret_from_fork+0x1f/0x40 [ 1404.588677] [] ? rest_init+0x8f/0x8f [ 1404.605842] ================================================================================ [ 1404.639622] ================================================================================ [ 1404.672375] UBSAN: Undefined behaviour in fs/ext4/super.c:796:7 [ 1404.694365] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1404.729732] which requires 64 byte alignment [ 1404.745015] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1404.766770] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1404.805042] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1404.839585] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1404.872736] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1404.903822] Call Trace: [ 1404.916494] [] dump_stack+0xd7/0x132 [ 1404.937046] [] ? arch_local_irq_restore+0x1b/0x1b [ 1404.965176] [] ubsan_epilogue+0x12/0x53 [ 1404.984979] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1405.015240] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1405.045265] [] ext4_fill_super+0x9c39/0xa2df [ 1405.066561] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1405.085714] [] ? netdev_bits+0x92/0x92 [ 1405.105880] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1405.130560] [] ? vsnprintf+0x1a0/0xa32 [ 1405.149290] [] ? pointer+0x7a9/0x7a9 [ 1405.167866] [] ? set_bdev_super+0x15d/0x15d [ 1405.187003] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1405.216091] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1405.245279] [] ? scnprintf+0xf3/0xf3 [ 1405.264649] [] mount_bdev+0x3cf/0x602 [ 1405.284284] [] ? mount_bdev+0x3cf/0x602 [ 1405.302674] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1405.327380] [] ext4_mount+0x3c/0x3e [ 1405.344243] [] mount_fs+0xd0/0x2ca [ 1405.363274] [] vfs_kern_mount+0xa0/0x20a [ 1405.381993] [] do_mount+0x11fe/0x19df [ 1405.400219] [] ? kasan_kmalloc+0x94/0xa3 [ 1405.420858] [] ? copy_mount_string+0x3d/0x3d [ 1405.441053] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1405.464951] [] ? __check_object_size+0x1e1/0x2b8 [ 1405.493472] [] ? 0xffffffffb1c002b8 [ 1405.514601] [] ? copy_mount_options+0x23d/0x24d [ 1405.535771] [] SyS_mount+0xa3/0xda [ 1405.554006] [] mount_block_root+0x2fc/0x650 [ 1405.573412] [] ? init_rootfs+0x99/0x99 [ 1405.594541] [] ? security_file_ioctl+0xa5/0xb4 [ 1405.615791] [] ? SyS_mknod+0x2f/0x36 [ 1405.632863] [] mount_root+0x45/0x48 [ 1405.651432] [] prepare_namespace+0x1cf/0x235 [ 1405.671864] [] kernel_init_freeable+0x4fa/0x518 [ 1405.695481] [] kernel_init+0x16/0x181 [ 1405.714596] [] ret_from_fork+0x1f/0x40 [ 1405.735382] [] ? rest_init+0x8f/0x8f [ 1405.755099] ================================================================================ [ 1405.783872] ================================================================================ [ 1405.813779] UBSAN: Undefined behaviour in fs/ext4/super.c:4230:11 [ 1405.835427] member access within misaligned address ffff8800a2fa5d78 for type 'struct ext4_sb_info' [ 1405.870524] which requires 64 byte alignment [ 1405.887407] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1405.911645] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1405.946556] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1405.972063] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1406.003037] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1406.032764] Call Trace: [ 1406.043709] [] dump_stack+0xd7/0x132 [ 1406.063066] [] ? arch_local_irq_restore+0x1b/0x1b [ 1406.082751] [] ubsan_epilogue+0x12/0x53 [ 1406.101221] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1406.127101] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1406.151954] [] ext4_fill_super+0x9cf4/0xa2df [ 1406.172031] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1406.193656] [] ? netdev_bits+0x92/0x92 [ 1406.214004] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1406.237621] [] ? vsnprintf+0x1a0/0xa32 [ 1406.256311] [] ? pointer+0x7a9/0x7a9 [ 1406.283376] [] ? set_bdev_super+0x15d/0x15d [ 1406.301949] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1406.333748] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1406.362581] [] ? scnprintf+0xf3/0xf3 [ 1406.379255] [] mount_bdev+0x3cf/0x602 [ 1406.396964] [] ? mount_bdev+0x3cf/0x602 [ 1406.419120] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1406.443780] [] ext4_mount+0x3c/0x3e [ 1406.469232] [] mount_fs+0xd0/0x2ca [ 1406.486864] [] vfs_kern_mount+0xa0/0x20a [ 1406.503854] [] do_mount+0x11fe/0x19df [ 1406.522476] [] ? kasan_kmalloc+0x94/0xa3 [ 1406.542814] [] ? copy_mount_string+0x3d/0x3d [ 1406.564222] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1406.585684] [] ? __check_object_size+0x1e1/0x2b8 [ 1406.611644] [] ? 0xffffffffb1c002b8 [ 1406.631669] [] ? copy_mount_options+0x23d/0x24d [ 1406.653407] [] SyS_mount+0xa3/0xda [ 1406.672663] [] mount_block_root+0x2fc/0x650 [ 1406.694335] [] ? init_rootfs+0x99/0x99 [ 1406.713187] [] ? security_file_ioctl+0xa5/0xb4 [ 1406.735057] [] ? SyS_mknod+0x2f/0x36 [ 1406.756821] [] mount_root+0x45/0x48 [ 1406.776200] [] prepare_namespace+0x1cf/0x235 [ 1406.796564] [] kernel_init_freeable+0x4fa/0x518 [ 1406.816964] [] kernel_init+0x16/0x181 [ 1406.836820] [] ret_from_fork+0x1f/0x40 [ 1406.859343] [] ? rest_init+0x8f/0x8f [ 1406.882909] ================================================================================ [ 1406.919951] ================================================================================ [ 1406.953656] UBSAN: Undefined behaviour in kernel/sched/fair.c:6240:2 [ 1406.981724] member access within misaligned address ffff8800a3c22ba0 for type 'struct task_struct' [ 1407.017731] which requires 64 byte alignment [ 1407.035406] CPU: 2 PID: 22 Comm: migration/2 Not tainted 4.8.11 #1 [ 1407.062643] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1407.101959] 00000000ffffffff 0000000070252347 ffff8800a34f7af8 ffffffffb26ec5cc [ 1407.140024] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1407.171762] ffff880000000010 ffff8800a34f7b20 ffff8800a34f7ad0 ffffffffb363c3e0 [ 1407.211535] Call Trace: [ 1407.221032] [] dump_stack+0xd7/0x132 [ 1407.242021] [] ? arch_local_irq_restore+0x1b/0x1b [ 1407.264082] [] ubsan_epilogue+0x12/0x53 [ 1407.284469] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1407.304247] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1407.331027] [] ? throttled_hierarchy+0xd/0x49 [ 1407.351732] [] ? can_migrate_task+0x203/0xb72 [ 1407.375016] [] active_load_balance_cpu_stop+0x51d/0x779 [ 1407.399443] [] ? task_weight+0xcd/0xcd [ 1407.420701] [] ? pick_next_task_rt+0x336/0x35d [ 1407.455101] [] ? task_weight+0xcd/0xcd [ 1407.518768] [] ? multi_cpu_stop+0x34d/0x34d [ 1407.553494] [] cpu_stopper_thread+0x288/0x399 [ 1407.615428] [] ? multi_cpu_stop+0x34d/0x34d [ 1407.639183] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 1407.668808] [] ? multi_cpu_stop+0x34d/0x34d [ 1407.695410] [] smpboot_thread_fn+0x6fa/0x711 [ 1407.732087] [] ? sort_range+0x35/0x35 [ 1407.783019] [] kthread+0x1f7/0x20b [ 1407.822484] [] ? sort_range+0x35/0x35 [ 1407.865575] [] ? init_completion+0x48/0x48 [ 1407.913815] [] ret_from_fork+0x1f/0x40 [ 1407.955243] [] ? init_completion+0x48/0x48 [ 1407.995574] ================================================================================ [ 1408.098759] ================================================================================ [ 1408.134197] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1408.155896] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1408.197723] which requires 64 byte alignment [ 1408.215738] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1408.242894] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1408.279607] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1408.308659] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1408.336530] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1408.367732] Call Trace: [ 1408.375131] [] dump_stack+0xd7/0x132 [ 1408.394974] [] ? arch_local_irq_restore+0x1b/0x1b [ 1408.415648] [] ubsan_epilogue+0x12/0x53 [ 1408.435354] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1408.461900] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1408.491893] [] ? map_id_down+0x11c/0x12b [ 1408.511078] [] ext4_fill_super+0x1a51/0xa2df [ 1408.538032] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1408.563188] [] ? netdev_bits+0x92/0x92 [ 1408.589581] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1408.619244] [] ? vsnprintf+0x1a0/0xa32 [ 1408.643447] [] ? pointer+0x7a9/0x7a9 [ 1408.665205] [] ? set_bdev_super+0x15d/0x15d [ 1408.688797] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1408.715867] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1408.752409] [] ? scnprintf+0xf3/0xf3 [ 1408.786932] [] mount_bdev+0x3cf/0x602 [ 1408.823688] [] ? mount_bdev+0x3cf/0x602 [ 1408.860168] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1408.892947] [] ext4_mount+0x3c/0x3e [ 1408.922571] [] mount_fs+0xd0/0x2ca [ 1408.950985] [] vfs_kern_mount+0xa0/0x20a [ 1408.980462] [] do_mount+0x11fe/0x19df [ 1409.005531] [] ? kasan_kmalloc+0x94/0xa3 [ 1409.029618] [] ? copy_mount_string+0x3d/0x3d [ 1409.065981] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1409.085691] [] ? __check_object_size+0x1e1/0x2b8 [ 1409.111283] [] ? 0xffffffffb1c002b8 [ 1409.142883] [] ? copy_mount_options+0x23d/0x24d [ 1409.169035] [] SyS_mount+0xa3/0xda [ 1409.187754] [] mount_block_root+0x2fc/0x650 [ 1409.213200] [] ? init_rootfs+0x99/0x99 [ 1409.245648] [] ? security_file_ioctl+0xa5/0xb4 [ 1409.268979] [] ? SyS_mknod+0x2f/0x36 [ 1409.289523] [] mount_root+0x45/0x48 [ 1409.312467] [] prepare_namespace+0x1cf/0x235 [ 1409.333881] [] kernel_init_freeable+0x4fa/0x518 [ 1409.359208] [] kernel_init+0x16/0x181 [ 1409.375229] [] ret_from_fork+0x1f/0x40 [ 1409.395867] [] ? rest_init+0x8f/0x8f [ 1409.416275] ================================================================================ [ 1409.460802] ================================================================================ [ 1409.503971] UBSAN: Undefined behaviour in fs/ext4/super.c:3458:3 [ 1409.537550] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1409.579954] which requires 64 byte alignment [ 1409.602162] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1409.625902] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1409.662861] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1409.703081] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1409.741971] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1409.770143] Call Trace: [ 1409.790379] [] dump_stack+0xd7/0x132 [ 1409.812972] [] ? arch_local_irq_restore+0x1b/0x1b [ 1409.833425] [] ubsan_epilogue+0x12/0x53 [ 1409.851181] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1409.874809] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1409.905159] [] ? map_id_down+0x11c/0x12b [ 1409.923874] [] ext4_fill_super+0x1a7e/0xa2df [ 1409.948191] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1409.976182] [] ? netdev_bits+0x92/0x92 [ 1409.999711] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1410.096048] [] ? vsnprintf+0x1a0/0xa32 [ 1410.116127] [] ? pointer+0x7a9/0x7a9 [ 1410.133841] [] ? set_bdev_super+0x15d/0x15d [ 1410.153015] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1410.176943] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1410.197788] [] ? scnprintf+0xf3/0xf3 [ 1410.215826] [] mount_bdev+0x3cf/0x602 [ 1410.231784] [] ? mount_bdev+0x3cf/0x602 [ 1410.252502] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1410.272093] [] ext4_mount+0x3c/0x3e [ 1410.289360] [] mount_fs+0xd0/0x2ca [ 1410.303812] [] vfs_kern_mount+0xa0/0x20a [ 1410.322998] [] do_mount+0x11fe/0x19df [ 1410.341095] [] ? kasan_kmalloc+0x94/0xa3 [ 1410.363559] [] ? copy_mount_string+0x3d/0x3d [ 1410.380838] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1410.404509] [] ? __check_object_size+0x1e1/0x2b8 [ 1410.424480] [] ? 0xffffffffb1c002b8 [ 1410.441620] [] ? copy_mount_options+0x23d/0x24d [ 1410.464419] [] SyS_mount+0xa3/0xda [ 1410.479726] [] mount_block_root+0x2fc/0x650 [ 1410.494974] [] ? init_rootfs+0x99/0x99 [ 1410.514138] [] ? security_file_ioctl+0xa5/0xb4 [ 1410.532468] [] ? SyS_mknod+0x2f/0x36 [ 1410.548439] [] mount_root+0x45/0x48 [ 1410.569451] [] prepare_namespace+0x1cf/0x235 [ 1410.586062] [] kernel_init_freeable+0x4fa/0x518 [ 1410.605932] [] kernel_init+0x16/0x181 [ 1410.622749] [] ret_from_fork+0x1f/0x40 [ 1410.642815] [] ? rest_init+0x8f/0x8f [ 1410.662742] ================================================================================ [ 1410.689359] ================================================================================ [ 1410.716687] UBSAN: Undefined behaviour in fs/ext4/super.c:3458:3 [ 1410.738045] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1410.777330] which requires 64 byte alignment [ 1410.796113] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1410.823284] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1410.866973] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1410.899021] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1410.924220] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1410.949031] Call Trace: [ 1410.956485] [] dump_stack+0xd7/0x132 [ 1410.974773] [] ? arch_local_irq_restore+0x1b/0x1b [ 1410.997811] [] ubsan_epilogue+0x12/0x53 [ 1411.015251] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1411.038348] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1411.063423] [] ? map_id_down+0x11c/0x12b [ 1411.083446] [] ext4_fill_super+0x1aad/0xa2df [ 1411.101485] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1411.123789] [] ? netdev_bits+0x92/0x92 [ 1411.146464] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1411.170938] [] ? vsnprintf+0x1a0/0xa32 [ 1411.189931] [] ? pointer+0x7a9/0x7a9 [ 1411.207522] [] ? set_bdev_super+0x15d/0x15d [ 1411.232386] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1411.258920] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1411.290566] [] ? scnprintf+0xf3/0xf3 [ 1411.315235] [] mount_bdev+0x3cf/0x602 [ 1411.336203] [] ? mount_bdev+0x3cf/0x602 [ 1411.357799] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1411.395328] [] ext4_mount+0x3c/0x3e [ 1411.420190] [] mount_fs+0xd0/0x2ca [ 1411.443519] [] vfs_kern_mount+0xa0/0x20a [ 1411.483192] [] do_mount+0x11fe/0x19df [ 1411.515445] [] ? kasan_kmalloc+0x94/0xa3 [ 1411.543575] [] ? copy_mount_string+0x3d/0x3d [ 1411.575562] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1411.609401] [] ? __check_object_size+0x1e1/0x2b8 [ 1411.643117] [] ? 0xffffffffb1c002b8 [ 1411.671388] [] ? copy_mount_options+0x23d/0x24d [ 1411.703958] [] SyS_mount+0xa3/0xda [ 1411.725255] [] mount_block_root+0x2fc/0x650 [ 1411.756641] [] ? init_rootfs+0x99/0x99 [ 1411.789540] [] ? security_file_ioctl+0xa5/0xb4 [ 1411.822266] [] ? SyS_mknod+0x2f/0x36 [ 1411.850985] [] mount_root+0x45/0x48 [ 1411.875120] [] prepare_namespace+0x1cf/0x235 [ 1411.906679] [] kernel_init_freeable+0x4fa/0x518 [ 1411.936427] [] kernel_init+0x16/0x181 [ 1411.960090] [] ret_from_fork+0x1f/0x40 [ 1411.985523] [] ? rest_init+0x8f/0x8f [ 1412.004217] ================================================================================ [ 1412.042441] ================================================================================ [ 1412.078596] UBSAN: Undefined behaviour in fs/ext4/super.c:3549:34 [ 1412.099764] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1412.230800] which requires 64 byte alignment [ 1412.250005] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1412.269012] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1412.294701] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1412.316232] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1412.339153] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1412.363782] Call Trace: [ 1412.371112] [] dump_stack+0xd7/0x132 [ 1412.388520] [] ? arch_local_irq_restore+0x1b/0x1b [ 1412.409957] [] ubsan_epilogue+0x12/0x53 [ 1412.428587] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1412.454235] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1412.482049] [] ? map_id_down+0x11c/0x12b [ 1412.502061] [] ext4_fill_super+0x25e5/0xa2df [ 1412.524166] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1412.547140] [] ? netdev_bits+0x92/0x92 [ 1412.568527] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1412.592082] [] ? vsnprintf+0x1a0/0xa32 [ 1412.617218] [] ? pointer+0x7a9/0x7a9 [ 1412.639410] [] ? set_bdev_super+0x15d/0x15d [ 1412.668115] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1412.700353] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1412.739504] [] ? scnprintf+0xf3/0xf3 [ 1412.759159] [] mount_bdev+0x3cf/0x602 [ 1412.785256] [] ? mount_bdev+0x3cf/0x602 [ 1412.808614] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1412.836954] [] ext4_mount+0x3c/0x3e [ 1412.856339] [] mount_fs+0xd0/0x2ca [ 1412.877593] [] vfs_kern_mount+0xa0/0x20a [ 1412.904917] [] do_mount+0x11fe/0x19df [ 1412.932363] [] ? kasan_kmalloc+0x94/0xa3 [ 1412.954182] [] ? copy_mount_string+0x3d/0x3d [ 1412.972816] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1412.996772] [] ? __check_object_size+0x1e1/0x2b8 [ 1413.019144] [] ? 0xffffffffb1c002b8 [ 1413.042329] [] ? copy_mount_options+0x23d/0x24d [ 1413.069510] [] SyS_mount+0xa3/0xda [ 1413.099190] [] mount_block_root+0x2fc/0x650 [ 1413.158710] [] ? init_rootfs+0x99/0x99 [ 1413.177009] [] ? security_file_ioctl+0xa5/0xb4 [ 1413.200391] [] ? SyS_mknod+0x2f/0x36 [ 1413.221446] [] mount_root+0x45/0x48 [ 1413.239646] [] prepare_namespace+0x1cf/0x235 [ 1413.262724] [] kernel_init_freeable+0x4fa/0x518 [ 1413.282953] [] kernel_init+0x16/0x181 [ 1413.301274] [] ret_from_fork+0x1f/0x40 [ 1413.324347] [] ? rest_init+0x8f/0x8f [ 1413.345244] ================================================================================ [ 1413.377974] ================================================================================ [ 1413.411734] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1413.436809] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1413.488016] which requires 64 byte alignment [ 1413.505569] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1413.536219] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1413.571302] 00000000ffffffff 00000000b1a89c60 ffff88005c9df738 ffffffffb26ec5cc [ 1413.603526] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1413.639909] 1ffff10000000010 ffff88005c9df760 ffff88005c9df710 ffffffffb363c3e0 [ 1413.673703] Call Trace: [ 1413.697997] [] dump_stack+0xd7/0x132 [ 1413.743923] [] ? arch_local_irq_restore+0x1b/0x1b [ 1413.771223] [] ubsan_epilogue+0x12/0x53 [ 1413.790590] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1413.815560] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1413.839932] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1413.869790] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1413.895961] [] ext4_feature_set_ok+0x37/0x3b6 [ 1413.917795] [] ? ext4_fill_super+0x25f3/0xa2df [ 1413.939376] [] ext4_fill_super+0x2602/0xa2df [ 1413.964232] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1413.984841] [] ? netdev_bits+0x92/0x92 [ 1414.006078] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1414.028699] [] ? vsnprintf+0x1a0/0xa32 [ 1414.051554] [] ? pointer+0x7a9/0x7a9 [ 1414.071039] [] ? set_bdev_super+0x15d/0x15d [ 1414.093095] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1414.120129] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1414.146102] [] ? scnprintf+0xf3/0xf3 [ 1414.166476] [] mount_bdev+0x3cf/0x602 [ 1414.185993] [] ? mount_bdev+0x3cf/0x602 [ 1414.204364] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1414.234309] [] ext4_mount+0x3c/0x3e [ 1414.251702] [] mount_fs+0xd0/0x2ca [ 1414.272091] [] vfs_kern_mount+0xa0/0x20a [ 1414.292342] [] do_mount+0x11fe/0x19df [ 1414.314424] [] ? kasan_kmalloc+0x94/0xa3 [ 1414.335138] [] ? copy_mount_string+0x3d/0x3d [ 1414.358714] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1414.379942] [] ? __check_object_size+0x1e1/0x2b8 [ 1414.404788] [] ? 0xffffffffb1c002b8 [ 1414.422020] [] ? copy_mount_options+0x23d/0x24d [ 1414.446292] [] SyS_mount+0xa3/0xda [ 1414.468206] [] mount_block_root+0x2fc/0x650 [ 1414.490401] [] ? init_rootfs+0x99/0x99 [ 1414.514029] [] ? security_file_ioctl+0xa5/0xb4 [ 1414.534622] [] ? SyS_mknod+0x2f/0x36 [ 1414.555302] [] mount_root+0x45/0x48 [ 1414.574874] [] prepare_namespace+0x1cf/0x235 [ 1414.592956] [] kernel_init_freeable+0x4fa/0x518 [ 1414.615527] [] kernel_init+0x16/0x181 [ 1414.635995] [] ret_from_fork+0x1f/0x40 [ 1414.658987] [] ? rest_init+0x8f/0x8f [ 1414.676847] ================================================================================ [ 1414.705699] ================================================================================ [ 1414.736878] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1848:1 [ 1414.758370] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1414.791676] which requires 64 byte alignment [ 1414.808719] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1414.830814] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1414.867140] 00000000ffffffff 00000000b1a89c60 ffff88005c9df738 ffffffffb26ec5cc [ 1414.892116] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1414.921897] ffffffff00000010 ffff88005c9df760 ffff88005c9df710 ffffffffb363c3e0 [ 1414.956075] Call Trace: [ 1414.966513] [] dump_stack+0xd7/0x132 [ 1414.987547] [] ? arch_local_irq_restore+0x1b/0x1b [ 1415.009095] [] ubsan_epilogue+0x12/0x53 [ 1415.032535] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1415.056931] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1415.084906] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1415.108774] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1415.136484] [] ext4_feature_set_ok+0x64/0x3b6 [ 1415.158927] [] ? ext4_fill_super+0x25f3/0xa2df [ 1415.179068] [] ext4_fill_super+0x2602/0xa2df [ 1415.200550] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1415.218558] [] ? netdev_bits+0x92/0x92 [ 1415.241412] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1415.266551] [] ? vsnprintf+0x1a0/0xa32 [ 1415.283549] [] ? pointer+0x7a9/0x7a9 [ 1415.301983] [] ? set_bdev_super+0x15d/0x15d [ 1415.324047] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1415.350889] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1415.376374] [] ? scnprintf+0xf3/0xf3 [ 1415.395980] [] mount_bdev+0x3cf/0x602 [ 1415.414502] [] ? mount_bdev+0x3cf/0x602 [ 1415.434497] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1415.455686] [] ext4_mount+0x3c/0x3e [ 1415.474047] [] mount_fs+0xd0/0x2ca [ 1415.489831] [] vfs_kern_mount+0xa0/0x20a [ 1415.529422] [] do_mount+0x11fe/0x19df [ 1415.555641] [] ? kasan_kmalloc+0x94/0xa3 [ 1415.575361] [] ? copy_mount_string+0x3d/0x3d [ 1415.596980] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1415.619272] [] ? __check_object_size+0x1e1/0x2b8 [ 1415.639084] [] ? 0xffffffffb1c002b8 [ 1415.660059] [] ? copy_mount_options+0x23d/0x24d [ 1415.679335] [] SyS_mount+0xa3/0xda [ 1415.698700] [] mount_block_root+0x2fc/0x650 [ 1415.724269] [] ? init_rootfs+0x99/0x99 [ 1415.750918] [] ? security_file_ioctl+0xa5/0xb4 [ 1415.774015] [] ? SyS_mknod+0x2f/0x36 [ 1415.791371] [] mount_root+0x45/0x48 [ 1415.809114] [] prepare_namespace+0x1cf/0x235 [ 1415.834359] [] kernel_init_freeable+0x4fa/0x518 [ 1415.856662] [] kernel_init+0x16/0x181 [ 1415.876948] [] ret_from_fork+0x1f/0x40 [ 1415.896712] [] ? rest_init+0x8f/0x8f [ 1415.917107] ================================================================================ [ 1415.949033] ================================================================================ [ 1415.981815] UBSAN: Undefined behaviour in fs/ext4/super.c:3568:6 [ 1416.002445] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1416.036118] which requires 64 byte alignment [ 1416.050124] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1416.072280] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1416.107007] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1416.135309] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1416.158962] ffff880000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1416.188490] Call Trace: [ 1416.195236] [] dump_stack+0xd7/0x132 [ 1416.211860] [] ? arch_local_irq_restore+0x1b/0x1b [ 1416.236619] [] ubsan_epilogue+0x12/0x53 [ 1416.256577] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1416.277166] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1416.308755] [] ? ext4_feature_set_ok+0x3a7/0x3b6 [ 1416.332106] [] ext4_fill_super+0x2743/0xa2df [ 1416.352805] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1416.375103] [] ? netdev_bits+0x92/0x92 [ 1416.391291] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1416.417384] [] ? vsnprintf+0x1a0/0xa32 [ 1416.434964] [] ? pointer+0x7a9/0x7a9 [ 1416.452968] [] ? set_bdev_super+0x15d/0x15d [ 1416.470866] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1416.495224] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1416.522115] [] ? scnprintf+0xf3/0xf3 [ 1416.539175] [] mount_bdev+0x3cf/0x602 [ 1416.558799] [] ? mount_bdev+0x3cf/0x602 [ 1416.574127] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1416.599527] [] ext4_mount+0x3c/0x3e [ 1416.618047] [] mount_fs+0xd0/0x2ca [ 1416.635580] [] vfs_kern_mount+0xa0/0x20a [ 1416.655911] [] do_mount+0x11fe/0x19df [ 1416.673317] [] ? kasan_kmalloc+0x94/0xa3 [ 1416.690842] [] ? copy_mount_string+0x3d/0x3d [ 1416.710910] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1416.732024] [] ? __check_object_size+0x1e1/0x2b8 [ 1416.749911] [] ? 0xffffffffb1c002b8 [ 1416.767495] [] ? copy_mount_options+0x23d/0x24d [ 1416.786218] [] SyS_mount+0xa3/0xda [ 1416.800407] [] mount_block_root+0x2fc/0x650 [ 1416.821706] [] ? init_rootfs+0x99/0x99 [ 1416.839600] [] ? security_file_ioctl+0xa5/0xb4 [ 1416.862695] [] ? SyS_mknod+0x2f/0x36 [ 1416.877419] [] mount_root+0x45/0x48 [ 1416.895634] [] prepare_namespace+0x1cf/0x235 [ 1416.918352] [] kernel_init_freeable+0x4fa/0x518 [ 1416.940648] [] kernel_init+0x16/0x181 [ 1416.955272] [] ret_from_fork+0x1f/0x40 [ 1416.975058] [] ? rest_init+0x8f/0x8f [ 1416.994125] ================================================================================ [ 1417.027654] ================================================================================ [ 1417.056027] UBSAN: Undefined behaviour in fs/ext4/super.c:3575:9 [ 1417.076908] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1417.107605] which requires 64 byte alignment [ 1417.120256] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1417.140567] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1417.173742] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1417.205651] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1417.228937] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1417.255090] Call Trace: [ 1417.261494] [] dump_stack+0xd7/0x132 [ 1417.280807] [] ? arch_local_irq_restore+0x1b/0x1b [ 1417.295959] [] ubsan_epilogue+0x12/0x53 [ 1417.313865] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1417.336216] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1417.366255] [] ? ext4_feature_set_ok+0x3a7/0x3b6 [ 1417.392673] [] ext4_fill_super+0x2800/0xa2df [ 1417.424950] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1417.449611] [] ? netdev_bits+0x92/0x92 [ 1417.465854] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1417.489744] [] ? vsnprintf+0x1a0/0xa32 [ 1417.506969] [] ? pointer+0x7a9/0x7a9 [ 1417.525481] [] ? set_bdev_super+0x15d/0x15d [ 1417.542418] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1417.569505] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1417.593581] [] ? scnprintf+0xf3/0xf3 [ 1417.609694] [] mount_bdev+0x3cf/0x602 [ 1417.627331] [] ? mount_bdev+0x3cf/0x602 [ 1417.642106] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1417.667152] [] ext4_mount+0x3c/0x3e [ 1417.685206] [] mount_fs+0xd0/0x2ca [ 1417.703466] [] vfs_kern_mount+0xa0/0x20a [ 1417.721057] [] do_mount+0x11fe/0x19df [ 1417.736935] [] ? kasan_kmalloc+0x94/0xa3 [ 1417.756218] [] ? copy_mount_string+0x3d/0x3d [ 1417.770727] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1417.791741] [] ? __check_object_size+0x1e1/0x2b8 [ 1417.814568] [] ? 0xffffffffb1c002b8 [ 1417.830327] [] ? copy_mount_options+0x23d/0x24d [ 1417.850894] [] SyS_mount+0xa3/0xda [ 1417.866768] [] mount_block_root+0x2fc/0x650 [ 1417.882189] [] ? init_rootfs+0x99/0x99 [ 1417.902025] [] ? security_file_ioctl+0xa5/0xb4 [ 1417.919803] [] ? SyS_mknod+0x2f/0x36 [ 1417.939084] [] mount_root+0x45/0x48 [ 1417.954516] [] prepare_namespace+0x1cf/0x235 [ 1417.972486] [] kernel_init_freeable+0x4fa/0x518 [ 1417.991508] [] kernel_init+0x16/0x181 [ 1418.008534] [] ret_from_fork+0x1f/0x40 [ 1418.026235] [] ? rest_init+0x8f/0x8f [ 1418.040902] ================================================================================ [ 1418.079377] ================================================================================ [ 1418.122394] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1418.142672] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1418.172501] which requires 64 byte alignment [ 1418.186777] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1418.208046] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1418.236811] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1418.258743] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1418.284518] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1418.306392] Call Trace: [ 1418.316061] [] dump_stack+0xd7/0x132 [ 1418.330097] [] ? arch_local_irq_restore+0x1b/0x1b [ 1418.351141] [] ubsan_epilogue+0x12/0x53 [ 1418.365942] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1418.387919] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1418.409926] [] ? ext4_feature_set_ok+0x3a7/0x3b6 [ 1418.429343] [] ext4_fill_super+0x2833/0xa2df [ 1418.450395] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1418.468236] [] ? netdev_bits+0x92/0x92 [ 1418.485664] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1418.506507] [] ? vsnprintf+0x1a0/0xa32 [ 1418.521215] [] ? pointer+0x7a9/0x7a9 [ 1418.545625] [] ? set_bdev_super+0x15d/0x15d [ 1418.579421] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1418.602045] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1418.627356] [] ? scnprintf+0xf3/0xf3 [ 1418.642322] [] mount_bdev+0x3cf/0x602 [ 1418.664905] [] ? mount_bdev+0x3cf/0x602 [ 1418.686875] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1418.709373] [] ext4_mount+0x3c/0x3e [ 1418.725938] [] mount_fs+0xd0/0x2ca [ 1418.742534] [] vfs_kern_mount+0xa0/0x20a [ 1418.757666] [] do_mount+0x11fe/0x19df [ 1418.772762] [] ? kasan_kmalloc+0x94/0xa3 [ 1418.792165] [] ? copy_mount_string+0x3d/0x3d [ 1418.817521] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1418.848717] [] ? __check_object_size+0x1e1/0x2b8 [ 1418.872263] [] ? 0xffffffffb1c002b8 [ 1418.894069] [] ? copy_mount_options+0x23d/0x24d [ 1418.919165] [] SyS_mount+0xa3/0xda [ 1418.937949] [] mount_block_root+0x2fc/0x650 [ 1418.963005] [] ? init_rootfs+0x99/0x99 [ 1418.981899] [] ? security_file_ioctl+0xa5/0xb4 [ 1419.003221] [] ? SyS_mknod+0x2f/0x36 [ 1419.018985] [] mount_root+0x45/0x48 [ 1419.035305] [] prepare_namespace+0x1cf/0x235 [ 1419.054103] [] kernel_init_freeable+0x4fa/0x518 [ 1419.073931] [] kernel_init+0x16/0x181 [ 1419.089837] [] ret_from_fork+0x1f/0x40 [ 1419.110751] [] ? rest_init+0x8f/0x8f [ 1419.124549] ================================================================================ [ 1419.151404] ================================================================================ [ 1419.177236] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1789:1 [ 1419.199027] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1419.226632] which requires 64 byte alignment [ 1419.238893] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1419.258673] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1419.290075] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1419.314955] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1419.341337] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1419.363226] Call Trace: [ 1419.373173] [] dump_stack+0xd7/0x132 [ 1419.390211] [] ? arch_local_irq_restore+0x1b/0x1b [ 1419.411046] [] ubsan_epilogue+0x12/0x53 [ 1419.428193] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1419.451177] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1419.472424] [] ? ext4_feature_set_ok+0x3a7/0x3b6 [ 1419.493552] [] ext4_fill_super+0x285f/0xa2df [ 1419.510450] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1419.529114] [] ? netdev_bits+0x92/0x92 [ 1419.549594] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1419.569796] [] ? vsnprintf+0x1a0/0xa32 [ 1419.588814] [] ? pointer+0x7a9/0x7a9 [ 1419.604787] [] ? set_bdev_super+0x15d/0x15d [ 1419.621305] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1419.645605] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1419.669843] [] ? scnprintf+0xf3/0xf3 [ 1419.686940] [] mount_bdev+0x3cf/0x602 [ 1419.703034] [] ? mount_bdev+0x3cf/0x602 [ 1419.719438] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1419.741536] [] ext4_mount+0x3c/0x3e [ 1419.755027] [] mount_fs+0xd0/0x2ca [ 1419.772949] [] vfs_kern_mount+0xa0/0x20a [ 1419.791653] [] do_mount+0x11fe/0x19df [ 1419.809432] [] ? kasan_kmalloc+0x94/0xa3 [ 1419.825592] [] ? copy_mount_string+0x3d/0x3d [ 1419.841018] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1419.865988] [] ? __check_object_size+0x1e1/0x2b8 [ 1419.886695] [] ? 0xffffffffb1c002b8 [ 1419.902766] [] ? copy_mount_options+0x23d/0x24d [ 1419.921138] [] SyS_mount+0xa3/0xda [ 1419.939047] [] mount_block_root+0x2fc/0x650 [ 1419.959360] [] ? init_rootfs+0x99/0x99 [ 1419.976711] [] ? security_file_ioctl+0xa5/0xb4 [ 1419.993555] [] ? SyS_mknod+0x2f/0x36 [ 1420.013477] [] mount_root+0x45/0x48 [ 1420.029030] [] prepare_namespace+0x1cf/0x235 [ 1420.049555] [] kernel_init_freeable+0x4fa/0x518 [ 1420.071510] [] kernel_init+0x16/0x181 [ 1420.089284] [] ret_from_fork+0x1f/0x40 [ 1420.105589] [] ? rest_init+0x8f/0x8f [ 1420.120604] ================================================================================ [ 1420.151765] ================================================================================ [ 1420.174916] UBSAN: Undefined behaviour in fs/ext4/super.c:3587:8 [ 1420.195052] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1420.222206] which requires 64 byte alignment [ 1420.240800] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1420.258134] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1420.290278] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1420.313120] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1420.338260] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1420.362873] Call Trace: [ 1420.373808] [] dump_stack+0xd7/0x132 [ 1420.391973] [] ? arch_local_irq_restore+0x1b/0x1b [ 1420.411696] [] ubsan_epilogue+0x12/0x53 [ 1420.434881] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1420.459666] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1420.486964] [] ? ext4_feature_set_ok+0x3a7/0x3b6 [ 1420.510059] [] ext4_fill_super+0x2942/0xa2df [ 1420.537466] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1420.561770] [] ? netdev_bits+0x92/0x92 [ 1420.588668] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1420.613911] [] ? vsnprintf+0x1a0/0xa32 [ 1420.637245] [] ? pointer+0x7a9/0x7a9 [ 1420.658590] [] ? set_bdev_super+0x15d/0x15d [ 1420.679651] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1420.705755] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1420.731528] [] ? scnprintf+0xf3/0xf3 [ 1420.747941] [] mount_bdev+0x3cf/0x602 [ 1420.769177] [] ? mount_bdev+0x3cf/0x602 [ 1420.793309] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1420.822924] [] ext4_mount+0x3c/0x3e [ 1420.849003] [] mount_fs+0xd0/0x2ca [ 1420.872660] [] vfs_kern_mount+0xa0/0x20a [ 1420.895522] [] do_mount+0x11fe/0x19df [ 1420.920582] [] ? kasan_kmalloc+0x94/0xa3 [ 1420.942386] [] ? copy_mount_string+0x3d/0x3d [ 1420.962241] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1420.982425] [] ? __check_object_size+0x1e1/0x2b8 [ 1421.002094] [] ? 0xffffffffb1c002b8 [ 1421.019073] [] ? copy_mount_options+0x23d/0x24d [ 1421.035063] [] SyS_mount+0xa3/0xda [ 1421.055794] [] mount_block_root+0x2fc/0x650 [ 1421.071090] [] ? init_rootfs+0x99/0x99 [ 1421.088862] [] ? security_file_ioctl+0xa5/0xb4 [ 1421.108617] [] ? SyS_mknod+0x2f/0x36 [ 1421.123451] [] mount_root+0x45/0x48 [ 1421.141042] [] prepare_namespace+0x1cf/0x235 [ 1421.159154] [] kernel_init_freeable+0x4fa/0x518 [ 1421.181435] [] kernel_init+0x16/0x181 [ 1421.196801] [] ret_from_fork+0x1f/0x40 [ 1421.217408] [] ? rest_init+0x8f/0x8f [ 1421.237612] ================================================================================ [ 1421.269241] ================================================================================ [ 1421.295025] UBSAN: Undefined behaviour in ./include/linux/buffer_head.h:307:42 [ 1421.316316] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1421.346959] which requires 64 byte alignment [ 1421.365326] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1421.387760] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1421.422059] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1421.451495] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1421.479646] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1421.509631] Call Trace: [ 1421.519229] [] dump_stack+0xd7/0x132 [ 1421.537685] [] ? arch_local_irq_restore+0x1b/0x1b [ 1421.559088] [] ubsan_epilogue+0x12/0x53 [ 1421.576683] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1421.598645] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1421.622221] [] ext4_fill_super+0x29f4/0xa2df [ 1421.642572] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1421.661891] [] ? netdev_bits+0x92/0x92 [ 1421.679066] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1421.700401] [] ? vsnprintf+0x1a0/0xa32 [ 1421.717933] [] ? pointer+0x7a9/0x7a9 [ 1421.736563] [] ? set_bdev_super+0x15d/0x15d [ 1421.756189] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1421.783506] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1421.808217] [] ? scnprintf+0xf3/0xf3 [ 1421.825000] [] mount_bdev+0x3cf/0x602 [ 1421.843235] [] ? mount_bdev+0x3cf/0x602 [ 1421.866971] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1421.892052] [] ext4_mount+0x3c/0x3e [ 1421.909978] [] mount_fs+0xd0/0x2ca [ 1421.927620] [] vfs_kern_mount+0xa0/0x20a [ 1421.947513] [] do_mount+0x11fe/0x19df [ 1421.968843] [] ? kasan_kmalloc+0x94/0xa3 [ 1421.986337] [] ? copy_mount_string+0x3d/0x3d [ 1422.008165] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1422.030768] [] ? __check_object_size+0x1e1/0x2b8 [ 1422.056045] [] ? 0xffffffffb1c002b8 [ 1422.074101] [] ? copy_mount_options+0x23d/0x24d [ 1422.092774] [] SyS_mount+0xa3/0xda [ 1422.110609] [] mount_block_root+0x2fc/0x650 [ 1422.129504] [] ? init_rootfs+0x99/0x99 [ 1422.149718] [] ? security_file_ioctl+0xa5/0xb4 [ 1422.176366] [] ? SyS_mknod+0x2f/0x36 [ 1422.194469] [] mount_root+0x45/0x48 [ 1422.212087] [] prepare_namespace+0x1cf/0x235 [ 1422.233849] [] kernel_init_freeable+0x4fa/0x518 [ 1422.258024] [] kernel_init+0x16/0x181 [ 1422.277350] [] ret_from_fork+0x1f/0x40 [ 1422.298446] [] ? rest_init+0x8f/0x8f [ 1422.318483] ================================================================================ [ 1422.349401] ================================================================================ [ 1422.379074] UBSAN: Undefined behaviour in ./include/linux/buffer_head.h:307:9 [ 1422.404496] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1422.432420] which requires 64 byte alignment [ 1422.447248] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1422.467031] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1422.496279] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1422.520013] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1422.542271] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1422.570410] Call Trace: [ 1422.577360] [] dump_stack+0xd7/0x132 [ 1422.596648] [] ? arch_local_irq_restore+0x1b/0x1b [ 1422.616609] [] ubsan_epilogue+0x12/0x53 [ 1422.634322] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1422.655684] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1422.683245] [] ext4_fill_super+0x2a1b/0xa2df [ 1422.712875] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1422.730419] [] ? netdev_bits+0x92/0x92 [ 1422.748008] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1422.769605] [] ? vsnprintf+0x1a0/0xa32 [ 1422.786455] [] ? pointer+0x7a9/0x7a9 [ 1422.803189] [] ? set_bdev_super+0x15d/0x15d [ 1422.820791] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1422.843230] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1422.868882] [] ? scnprintf+0xf3/0xf3 [ 1422.886230] [] mount_bdev+0x3cf/0x602 [ 1422.905540] [] ? mount_bdev+0x3cf/0x602 [ 1422.921378] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1422.943259] [] ext4_mount+0x3c/0x3e [ 1422.958436] [] mount_fs+0xd0/0x2ca [ 1422.972085] [] vfs_kern_mount+0xa0/0x20a [ 1422.989313] [] do_mount+0x11fe/0x19df [ 1423.008489] [] ? kasan_kmalloc+0x94/0xa3 [ 1423.024456] [] ? copy_mount_string+0x3d/0x3d [ 1423.042838] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1423.063511] [] ? __check_object_size+0x1e1/0x2b8 [ 1423.081145] [] ? 0xffffffffb1c002b8 [ 1423.099360] [] ? copy_mount_options+0x23d/0x24d [ 1423.118478] [] SyS_mount+0xa3/0xda [ 1423.133230] [] mount_block_root+0x2fc/0x650 [ 1423.151473] [] ? init_rootfs+0x99/0x99 [ 1423.168160] [] ? security_file_ioctl+0xa5/0xb4 [ 1423.185044] [] ? SyS_mknod+0x2f/0x36 [ 1423.205380] [] mount_root+0x45/0x48 [ 1423.218949] [] prepare_namespace+0x1cf/0x235 [ 1423.242023] [] kernel_init_freeable+0x4fa/0x518 [ 1423.262814] [] kernel_init+0x16/0x181 [ 1423.281941] [] ret_from_fork+0x1f/0x40 [ 1423.297519] [] ? rest_init+0x8f/0x8f [ 1423.314301] ================================================================================ [ 1423.350289] ================================================================================ [ 1423.379235] UBSAN: Undefined behaviour in fs/ext4/super.c:3605:13 [ 1423.398480] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1423.427703] which requires 64 byte alignment [ 1423.438973] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1423.457983] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1423.488518] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1423.512890] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1423.536944] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1423.561127] Call Trace: [ 1423.571943] [] dump_stack+0xd7/0x132 [ 1423.586927] [] ? arch_local_irq_restore+0x1b/0x1b [ 1423.607385] [] ubsan_epilogue+0x12/0x53 [ 1423.624743] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1423.645858] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1423.667085] [] ext4_fill_super+0x2aad/0xa2df [ 1423.681993] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1423.700747] [] ? netdev_bits+0x92/0x92 [ 1423.714637] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1423.736306] [] ? vsnprintf+0x1a0/0xa32 [ 1423.755862] [] ? pointer+0x7a9/0x7a9 [ 1423.772452] [] ? set_bdev_super+0x15d/0x15d [ 1423.790062] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1423.811068] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1423.830065] [] ? scnprintf+0xf3/0xf3 [ 1423.845731] [] mount_bdev+0x3cf/0x602 [ 1423.867226] [] ? mount_bdev+0x3cf/0x602 [ 1423.884975] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1423.907223] [] ext4_mount+0x3c/0x3e [ 1423.920669] [] mount_fs+0xd0/0x2ca [ 1423.935542] [] vfs_kern_mount+0xa0/0x20a [ 1423.954081] [] do_mount+0x11fe/0x19df [ 1423.970157] [] ? kasan_kmalloc+0x94/0xa3 [ 1423.988456] [] ? copy_mount_string+0x3d/0x3d [ 1424.004135] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1424.023675] [] ? __check_object_size+0x1e1/0x2b8 [ 1424.043708] [] ? 0xffffffffb1c002b8 [ 1424.062819] [] ? copy_mount_options+0x23d/0x24d [ 1424.082060] [] SyS_mount+0xa3/0xda [ 1424.098671] [] mount_block_root+0x2fc/0x650 [ 1424.115928] [] ? init_rootfs+0x99/0x99 [ 1424.130762] [] ? security_file_ioctl+0xa5/0xb4 [ 1424.148143] [] ? SyS_mknod+0x2f/0x36 [ 1424.162535] [] mount_root+0x45/0x48 [ 1424.178809] [] prepare_namespace+0x1cf/0x235 [ 1424.193453] [] kernel_init_freeable+0x4fa/0x518 [ 1424.212097] [] kernel_init+0x16/0x181 [ 1424.230280] [] ret_from_fork+0x1f/0x40 [ 1424.246527] [] ? rest_init+0x8f/0x8f [ 1424.262658] ================================================================================ [ 1424.290428] ================================================================================ [ 1424.315225] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1424.335392] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1424.361291] which requires 64 byte alignment [ 1424.374001] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1424.392616] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1424.421917] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1424.443501] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1424.469714] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1424.491503] Call Trace: [ 1424.498222] [] dump_stack+0xd7/0x132 [ 1424.517177] [] ? arch_local_irq_restore+0x1b/0x1b [ 1424.538474] [] ubsan_epilogue+0x12/0x53 [ 1424.556015] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1424.578055] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1424.601498] [] ext4_fill_super+0x2b16/0xa2df [ 1424.621572] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1424.640727] [] ? netdev_bits+0x92/0x92 [ 1424.656131] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1424.678345] [] ? vsnprintf+0x1a0/0xa32 [ 1424.694438] [] ? pointer+0x7a9/0x7a9 [ 1424.712202] [] ? set_bdev_super+0x15d/0x15d [ 1424.730271] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1424.753389] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1424.778274] [] ? scnprintf+0xf3/0xf3 [ 1424.792736] [] mount_bdev+0x3cf/0x602 [ 1424.809996] [] ? mount_bdev+0x3cf/0x602 [ 1424.829124] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1424.848088] [] ext4_mount+0x3c/0x3e [ 1424.863239] [] mount_fs+0xd0/0x2ca [ 1424.879391] [] vfs_kern_mount+0xa0/0x20a [ 1424.897056] [] do_mount+0x11fe/0x19df [ 1424.912395] [] ? kasan_kmalloc+0x94/0xa3 [ 1424.928478] [] ? copy_mount_string+0x3d/0x3d [ 1424.947896] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1424.970668] [] ? __check_object_size+0x1e1/0x2b8 [ 1424.990224] [] ? 0xffffffffb1c002b8 [ 1425.007382] [] ? copy_mount_options+0x23d/0x24d [ 1425.024647] [] SyS_mount+0xa3/0xda [ 1425.041251] [] mount_block_root+0x2fc/0x650 [ 1425.061810] [] ? init_rootfs+0x99/0x99 [ 1425.080720] [] ? security_file_ioctl+0xa5/0xb4 [ 1425.098248] [] ? SyS_mknod+0x2f/0x36 [ 1425.114675] [] mount_root+0x45/0x48 [ 1425.131938] [] prepare_namespace+0x1cf/0x235 [ 1425.151742] [] kernel_init_freeable+0x4fa/0x518 [ 1425.169479] [] kernel_init+0x16/0x181 [ 1425.187801] [] ret_from_fork+0x1f/0x40 [ 1425.203534] [] ? rest_init+0x8f/0x8f [ 1425.217767] ================================================================================ [ 1425.242722] ================================================================================ [ 1425.269617] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1765:1 [ 1425.287802] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1425.315581] which requires 64 byte alignment [ 1425.328712] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1425.346430] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1425.379254] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1425.401040] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1425.427537] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1425.449557] Call Trace: [ 1425.459729] [] dump_stack+0xd7/0x132 [ 1425.474697] [] ? arch_local_irq_restore+0x1b/0x1b [ 1425.494458] [] ubsan_epilogue+0x12/0x53 [ 1425.513838] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1425.539738] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1425.582895] [] ext4_fill_super+0x2b36/0xa2df [ 1425.602993] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1425.619906] [] ? netdev_bits+0x92/0x92 [ 1425.636276] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1425.656960] [] ? vsnprintf+0x1a0/0xa32 [ 1425.677198] [] ? pointer+0x7a9/0x7a9 [ 1425.693790] [] ? set_bdev_super+0x15d/0x15d [ 1425.712365] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1425.735655] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1425.757195] [] ? scnprintf+0xf3/0xf3 [ 1425.773059] [] mount_bdev+0x3cf/0x602 [ 1425.791983] [] ? mount_bdev+0x3cf/0x602 [ 1425.814674] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1425.863761] [] ext4_mount+0x3c/0x3e [ 1425.895802] [] mount_fs+0xd0/0x2ca [ 1425.928252] [] vfs_kern_mount+0xa0/0x20a [ 1425.958507] [] do_mount+0x11fe/0x19df [ 1425.996881] [] ? kasan_kmalloc+0x94/0xa3 [ 1426.033354] [] ? copy_mount_string+0x3d/0x3d [ 1426.071772] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1426.121173] [] ? __check_object_size+0x1e1/0x2b8 [ 1426.166085] [] ? 0xffffffffb1c002b8 [ 1426.203750] [] ? copy_mount_options+0x23d/0x24d [ 1426.242231] [] SyS_mount+0xa3/0xda [ 1426.271646] [] mount_block_root+0x2fc/0x650 [ 1426.305742] [] ? init_rootfs+0x99/0x99 [ 1426.340022] [] ? security_file_ioctl+0xa5/0xb4 [ 1426.377655] [] ? SyS_mknod+0x2f/0x36 [ 1426.415561] [] mount_root+0x45/0x48 [ 1426.450689] [] prepare_namespace+0x1cf/0x235 [ 1426.489992] [] kernel_init_freeable+0x4fa/0x518 [ 1426.531570] [] kernel_init+0x16/0x181 [ 1426.565045] [] ret_from_fork+0x1f/0x40 [ 1426.607804] [] ? rest_init+0x8f/0x8f [ 1426.638688] ================================================================================ [ 1426.695577] ================================================================================ [ 1426.749158] UBSAN: Undefined behaviour in fs/ext4/super.c:3614:50 [ 1426.788291] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1426.843750] which requires 64 byte alignment [ 1426.872785] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1426.905803] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1426.969111] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1427.014110] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1427.062539] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1427.114838] Call Trace: [ 1427.126685] [] dump_stack+0xd7/0x132 [ 1427.160162] [] ? arch_local_irq_restore+0x1b/0x1b [ 1427.204632] [] ubsan_epilogue+0x12/0x53 [ 1427.236243] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1427.276925] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1427.314382] [] ext4_fill_super+0x2b8b/0xa2df [ 1427.348045] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1427.389964] [] ? netdev_bits+0x92/0x92 [ 1427.420140] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1427.456644] [] ? vsnprintf+0x1a0/0xa32 [ 1427.490372] [] ? pointer+0x7a9/0x7a9 [ 1427.524753] [] ? set_bdev_super+0x15d/0x15d [ 1427.564305] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1427.609785] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1427.651964] [] ? scnprintf+0xf3/0xf3 [ 1427.688830] [] mount_bdev+0x3cf/0x602 [ 1427.720884] [] ? mount_bdev+0x3cf/0x602 [ 1427.760655] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1427.794035] [] ext4_mount+0x3c/0x3e [ 1427.834511] [] mount_fs+0xd0/0x2ca [ 1427.876256] [] vfs_kern_mount+0xa0/0x20a [ 1427.906787] [] do_mount+0x11fe/0x19df [ 1427.950029] [] ? kasan_kmalloc+0x94/0xa3 [ 1427.989251] [] ? copy_mount_string+0x3d/0x3d [ 1428.029608] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1428.067889] [] ? __check_object_size+0x1e1/0x2b8 [ 1428.111485] [] ? 0xffffffffb1c002b8 [ 1428.150602] [] ? copy_mount_options+0x23d/0x24d [ 1428.194741] [] SyS_mount+0xa3/0xda [ 1428.227108] [] mount_block_root+0x2fc/0x650 [ 1428.262170] [] ? init_rootfs+0x99/0x99 [ 1428.294935] [] ? security_file_ioctl+0xa5/0xb4 [ 1428.339459] [] ? SyS_mknod+0x2f/0x36 [ 1428.374241] [] mount_root+0x45/0x48 [ 1428.399667] [] prepare_namespace+0x1cf/0x235 [ 1428.439780] [] kernel_init_freeable+0x4fa/0x518 [ 1428.474766] [] kernel_init+0x16/0x181 [ 1428.512471] [] ret_from_fork+0x1f/0x40 [ 1428.546075] [] ? rest_init+0x8f/0x8f [ 1428.586157] ================================================================================ [ 1428.639889] ================================================================================ [ 1428.691324] UBSAN: Undefined behaviour in fs/ext4/super.c:3614:25 [ 1428.730014] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1428.793206] which requires 64 byte alignment [ 1428.816799] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1428.858997] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1428.918885] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1428.970520] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1429.015583] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1429.067893] Call Trace: [ 1429.084318] [] dump_stack+0xd7/0x132 [ 1429.118590] [] ? arch_local_irq_restore+0x1b/0x1b [ 1429.158824] [] ubsan_epilogue+0x12/0x53 [ 1429.187981] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1429.228842] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1429.277315] [] ext4_fill_super+0x2ea8/0xa2df [ 1429.311511] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1429.344306] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1429.385934] [] ? vsnprintf+0x1a0/0xa32 [ 1429.418080] [] ? pointer+0x7a9/0x7a9 [ 1429.454111] [] ? set_bdev_super+0x15d/0x15d [ 1429.493422] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1429.535457] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1429.584129] [] ? scnprintf+0xf3/0xf3 [ 1429.617332] [] mount_bdev+0x3cf/0x602 [ 1429.647305] [] ? mount_bdev+0x3cf/0x602 [ 1429.681283] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1429.722972] [] ext4_mount+0x3c/0x3e [ 1429.756276] [] mount_fs+0xd0/0x2ca [ 1429.796599] [] vfs_kern_mount+0xa0/0x20a [ 1429.834410] [] do_mount+0x11fe/0x19df [ 1429.864341] [] ? kasan_kmalloc+0x94/0xa3 [ 1429.905898] [] ? copy_mount_string+0x3d/0x3d [ 1429.938270] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1429.977987] [] ? __check_object_size+0x1e1/0x2b8 [ 1430.017784] [] ? 0xffffffffb1c002b8 [ 1430.053931] [] ? copy_mount_options+0x23d/0x24d [ 1430.091347] [] SyS_mount+0xa3/0xda [ 1430.121589] [] mount_block_root+0x2fc/0x650 [ 1430.159614] [] ? init_rootfs+0x99/0x99 [ 1430.191767] [] ? security_file_ioctl+0xa5/0xb4 [ 1430.226402] [] ? SyS_mknod+0x2f/0x36 [ 1430.261917] [] mount_root+0x45/0x48 [ 1430.297788] [] prepare_namespace+0x1cf/0x235 [ 1430.331021] [] kernel_init_freeable+0x4fa/0x518 [ 1430.382008] [] kernel_init+0x16/0x181 [ 1430.408463] [] ret_from_fork+0x1f/0x40 [ 1430.439775] [] ? rest_init+0x8f/0x8f [ 1430.472462] ================================================================================ [ 1430.528461] ================================================================================ [ 1430.586894] UBSAN: Undefined behaviour in fs/ext4/super.c:3616:35 [ 1430.626259] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1430.682260] which requires 64 byte alignment [ 1430.711042] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1430.748560] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1431.082714] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1431.138410] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1431.182384] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1431.229750] Call Trace: [ 1431.243325] [] dump_stack+0xd7/0x132 [ 1431.270933] [] ? arch_local_irq_restore+0x1b/0x1b [ 1431.310838] [] ubsan_epilogue+0x12/0x53 [ 1431.346057] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1431.390216] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1431.438536] [] ext4_fill_super+0x2ecf/0xa2df [ 1431.478592] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1431.513534] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1431.548052] [] ? vsnprintf+0x1a0/0xa32 [ 1431.589217] [] ? pointer+0x7a9/0x7a9 [ 1431.626580] [] ? set_bdev_super+0x15d/0x15d [ 1431.663095] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1431.714428] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1431.750354] [] ? scnprintf+0xf3/0xf3 [ 1431.787752] [] mount_bdev+0x3cf/0x602 [ 1431.822124] [] ? mount_bdev+0x3cf/0x602 [ 1431.851675] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1431.896868] [] ext4_mount+0x3c/0x3e [ 1431.934072] [] mount_fs+0xd0/0x2ca [ 1431.966571] [] vfs_kern_mount+0xa0/0x20a [ 1431.996404] [] do_mount+0x11fe/0x19df [ 1432.029565] [] ? kasan_kmalloc+0x94/0xa3 [ 1432.070927] [] ? copy_mount_string+0x3d/0x3d [ 1432.108767] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1432.143324] [] ? __check_object_size+0x1e1/0x2b8 [ 1432.181639] [] ? 0xffffffffb1c002b8 [ 1432.211304] [] ? copy_mount_options+0x23d/0x24d [ 1432.251823] [] SyS_mount+0xa3/0xda [ 1432.284603] [] mount_block_root+0x2fc/0x650 [ 1432.328189] [] ? init_rootfs+0x99/0x99 [ 1432.365885] [] ? security_file_ioctl+0xa5/0xb4 [ 1432.407936] [] ? SyS_mknod+0x2f/0x36 [ 1432.435603] [] mount_root+0x45/0x48 [ 1432.478725] [] prepare_namespace+0x1cf/0x235 [ 1432.509994] [] kernel_init_freeable+0x4fa/0x518 [ 1432.548822] [] kernel_init+0x16/0x181 [ 1432.579052] [] ret_from_fork+0x1f/0x40 [ 1432.616635] [] ? rest_init+0x8f/0x8f [ 1432.649917] ================================================================================ [ 1432.702135] ================================================================================ [ 1432.758132] UBSAN: Undefined behaviour in kernel/workqueue.c:803:20 [ 1432.796174] member access within misaligned address ffff88005d276038 for type 'struct worker_pool' [ 1432.858580] which requires 64 byte alignment [ 1432.892235] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1432.934686] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1432.997071] 00000000ffffffff 0c28571bde984a73 ffff88005d407c80 ffffffffb26ec5cc [ 1433.042743] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1433.091745] ffffffff00000010 ffff88005d407ca8 ffff88005d407c58 ffffffffb363c3e0 [ 1433.137560] Call Trace: [ 1433.153591] [] dump_stack+0xd7/0x132 [ 1433.191977] [] ? arch_local_irq_restore+0x1b/0x1b [ 1433.238761] [] ubsan_epilogue+0x12/0x53 [ 1433.277531] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1433.319294] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1433.367383] [] idle_worker_timeout+0x78/0x1ba [ 1433.407206] [] ? pwq_unbound_release_workfn+0x1e6/0x1e6 [ 1433.446379] [] call_timer_fn+0x7b/0x254 [ 1433.485716] [] ? pwq_unbound_release_workfn+0x1e6/0x1e6 [ 1433.527786] [] __run_timers+0x6d2/0x76b [ 1433.557101] [] ? internal_add_timer+0x8f/0x8f [ 1433.593314] [] ? timekeeping_delta_to_ns+0x97/0xa6 [ 1433.636504] [] ? paravirt_write_msr+0xf/0x13 [ 1433.669808] [] ? native_apic_msr_write+0x29/0x2b [ 1433.716622] [] ? apic_write+0x53/0x5a [ 1433.747450] [] run_timer_softirq+0x87/0x8f [ 1433.783826] [] __do_softirq+0x211/0x59e [ 1433.817401] [] irq_exit+0x65/0xd6 [ 1433.846833] [] smp_apic_timer_interrupt+0x33/0x3e [ 1433.886603] [] apic_timer_interrupt+0x82/0x90 [ 1433.928375] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 1433.981412] [] ? native_safe_halt+0x6/0x8 [ 1434.016303] [] default_idle+0x1f/0x32 [ 1434.047945] [] arch_cpu_idle+0xf/0x11 [ 1434.083585] [] default_idle_call+0x1e/0x20 [ 1434.122607] [] cpu_startup_entry+0x20f/0x384 [ 1434.160471] [] ? default_idle_call+0x20/0x20 [ 1434.198462] [] rest_init+0x8c/0x8f [ 1434.236391] [] start_kernel+0x618/0x64b [ 1434.279212] [] ? thread_stack_cache_init+0xb/0xb [ 1434.313268] [] ? cmdline_find_option_bool+0x131/0x146 [ 1434.348176] [] ? early_idt_handler_array+0x120/0x120 [ 1434.394594] [] x86_64_start_reservations+0x24/0x26 [ 1434.432008] [] x86_64_start_kernel+0x179/0x19c [ 1434.472036] ================================================================================ [ 1434.518357] ================================================================================ [ 1434.574414] UBSAN: Undefined behaviour in kernel/workqueue.c:804:20 [ 1434.619092] member access within misaligned address ffff88005d276038 for type 'struct worker_pool' [ 1434.669720] which requires 64 byte alignment [ 1434.695167] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1434.726305] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1434.781689] 00000000ffffffff 0c28571bde984a73 ffff88005d407c80 ffffffffb26ec5cc [ 1434.833067] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1434.884134] ffffffff00000010 ffff88005d407ca8 ffff88005d407c58 ffffffffb363c3e0 [ 1434.925336] Call Trace: [ 1434.938472] [] dump_stack+0xd7/0x132 [ 1434.977220] [] ? arch_local_irq_restore+0x1b/0x1b [ 1435.023942] [] ubsan_epilogue+0x12/0x53 [ 1435.047217] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1435.092920] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1435.138547] [] idle_worker_timeout+0xb5/0x1ba [ 1435.177761] [] ? pwq_unbound_release_workfn+0x1e6/0x1e6 [ 1435.222589] [] call_timer_fn+0x7b/0x254 [ 1435.255161] [] ? pwq_unbound_release_workfn+0x1e6/0x1e6 [ 1435.309488] [] __run_timers+0x6d2/0x76b [ 1435.343512] [] ? internal_add_timer+0x8f/0x8f [ 1435.382361] [] ? timekeeping_delta_to_ns+0x97/0xa6 [ 1435.421805] [] ? paravirt_write_msr+0xf/0x13 [ 1435.459575] [] ? native_apic_msr_write+0x29/0x2b [ 1435.501486] [] ? apic_write+0x53/0x5a [ 1435.530896] [] run_timer_softirq+0x87/0x8f [ 1435.567223] [] __do_softirq+0x211/0x59e [ 1435.608511] [] irq_exit+0x65/0xd6 [ 1435.632329] [] smp_apic_timer_interrupt+0x33/0x3e [ 1435.672509] [] apic_timer_interrupt+0x82/0x90 [ 1435.709762] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 1435.765204] [] ? native_safe_halt+0x6/0x8 [ 1435.801616] [] default_idle+0x1f/0x32 [ 1435.831340] [] arch_cpu_idle+0xf/0x11 [ 1435.861680] [] default_idle_call+0x1e/0x20 [ 1435.905829] [] cpu_startup_entry+0x20f/0x384 [ 1435.945239] [] ? default_idle_call+0x20/0x20 [ 1435.985490] [] rest_init+0x8c/0x8f [ 1436.018490] [] start_kernel+0x618/0x64b [ 1436.054813] [] ? thread_stack_cache_init+0xb/0xb [ 1436.095237] [] ? cmdline_find_option_bool+0x131/0x146 [ 1436.135639] [] ? early_idt_handler_array+0x120/0x120 [ 1436.181265] [] x86_64_start_reservations+0x24/0x26 [ 1436.217985] [] x86_64_start_kernel+0x179/0x19c [ 1436.259857] ================================================================================ [ 1436.311538] ================================================================================ [ 1436.361263] UBSAN: Undefined behaviour in kernel/workqueue.c:1845:12 [ 1436.400840] member access within misaligned address ffff88005d276038 for type 'struct worker_pool' [ 1436.458529] which requires 64 byte alignment [ 1436.482695] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1436.515838] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1436.568641] 00000000ffffffff 0c28571bde984a73 ffff88005d407c80 ffffffffb26ec5cc [ 1436.619187] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1436.658310] ffffffff00000010 ffff88005d407ca8 ffff88005d407c58 ffffffffb363c3e0 [ 1436.710048] Call Trace: [ 1436.722065] [] dump_stack+0xd7/0x132 [ 1436.764568] [] ? arch_local_irq_restore+0x1b/0x1b [ 1436.797201] [] ubsan_epilogue+0x12/0x53 [ 1436.834073] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1436.883981] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1436.926577] [] idle_worker_timeout+0x13d/0x1ba [ 1436.962171] [] ? pwq_unbound_release_workfn+0x1e6/0x1e6 [ 1437.000405] [] call_timer_fn+0x7b/0x254 [ 1437.031646] [] ? pwq_unbound_release_workfn+0x1e6/0x1e6 [ 1437.069111] [] __run_timers+0x6d2/0x76b [ 1437.106802] [] ? internal_add_timer+0x8f/0x8f [ 1437.147007] [] ? timekeeping_delta_to_ns+0x97/0xa6 [ 1437.197774] [] ? paravirt_write_msr+0xf/0x13 [ 1437.232041] [] ? native_apic_msr_write+0x29/0x2b [ 1437.268520] [] ? apic_write+0x53/0x5a [ 1437.305770] [] run_timer_softirq+0x87/0x8f [ 1437.334951] [] __do_softirq+0x211/0x59e [ 1437.374941] [] irq_exit+0x65/0xd6 [ 1437.410705] [] smp_apic_timer_interrupt+0x33/0x3e [ 1437.446564] [] apic_timer_interrupt+0x82/0x90 [ 1437.486030] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 1437.538011] [] ? native_safe_halt+0x6/0x8 [ 1437.575883] [] default_idle+0x1f/0x32 [ 1437.609820] [] arch_cpu_idle+0xf/0x11 [ 1437.635428] [] default_idle_call+0x1e/0x20 [ 1437.677274] [] cpu_startup_entry+0x20f/0x384 [ 1437.710738] [] ? default_idle_call+0x20/0x20 [ 1437.753177] [] rest_init+0x8c/0x8f [ 1437.787995] [] start_kernel+0x618/0x64b [ 1437.820560] [] ? thread_stack_cache_init+0xb/0xb [ 1437.867479] [] ? cmdline_find_option_bool+0x131/0x146 [ 1437.922685] [] ? early_idt_handler_array+0x120/0x120 [ 1437.985392] [] x86_64_start_reservations+0x24/0x26 [ 1438.035218] [] x86_64_start_kernel+0x179/0x19c [ 1438.083138] ================================================================================ [ 1438.165472] ================================================================================ [ 1438.226831] UBSAN: Undefined behaviour in kernel/workqueue.c:1826:6 [ 1438.279030] member access within misaligned address ffff88005d276038 for type 'struct worker_pool' [ 1438.353201] which requires 64 byte alignment [ 1438.385747] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1438.438526] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1438.521316] 00000000ffffffff 0c28571bde984a73 ffff88005d407c50 ffffffffb26ec5cc [ 1438.581136] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1438.643724] ffffffff00000010 ffff88005d407c78 ffff88005d407c28 ffffffffb363c3e0 [ 1438.709043] Call Trace: [ 1438.729703] [] dump_stack+0xd7/0x132 [ 1438.781626] [] ? arch_local_irq_restore+0x1b/0x1b [ 1438.833970] [] ubsan_epilogue+0x12/0x53 [ 1438.884220] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1438.939012] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1438.994771] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1439.061141] [] destroy_worker+0x128/0x250 [ 1439.102498] [] idle_worker_timeout+0x1b5/0x1ba [ 1439.149789] [] ? pwq_unbound_release_workfn+0x1e6/0x1e6 [ 1439.211261] [] call_timer_fn+0x7b/0x254 [ 1439.259994] [] ? pwq_unbound_release_workfn+0x1e6/0x1e6 [ 1439.297649] [] __run_timers+0x6d2/0x76b [ 1439.330695] [] ? internal_add_timer+0x8f/0x8f [ 1439.370234] [] ? timekeeping_delta_to_ns+0x97/0xa6 [ 1439.411744] [] ? paravirt_write_msr+0xf/0x13 [ 1439.451042] [] ? native_apic_msr_write+0x29/0x2b [ 1439.500065] [] ? apic_write+0x53/0x5a [ 1439.536070] [] run_timer_softirq+0x87/0x8f [ 1439.568648] [] __do_softirq+0x211/0x59e [ 1439.603898] [] irq_exit+0x65/0xd6 [ 1439.638969] [] smp_apic_timer_interrupt+0x33/0x3e [ 1439.668988] [] apic_timer_interrupt+0x82/0x90 [ 1439.718305] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 1439.763021] [] ? native_safe_halt+0x6/0x8 [ 1439.802892] [] default_idle+0x1f/0x32 [ 1439.833831] [] arch_cpu_idle+0xf/0x11 [ 1439.866925] [] default_idle_call+0x1e/0x20 [ 1439.915987] [] cpu_startup_entry+0x20f/0x384 [ 1439.953877] [] ? default_idle_call+0x20/0x20 [ 1439.986176] [] rest_init+0x8c/0x8f [ 1440.018626] [] start_kernel+0x618/0x64b [ 1440.053353] [] ? thread_stack_cache_init+0xb/0xb [ 1440.097748] [] ? cmdline_find_option_bool+0x131/0x146 [ 1440.136184] [] ? early_idt_handler_array+0x120/0x120 [ 1440.187400] [] x86_64_start_reservations+0x24/0x26 [ 1440.230092] [] x86_64_start_kernel+0x179/0x19c [ 1440.270012] ================================================================================ [ 1440.320298] ================================================================================ [ 1440.372306] UBSAN: Undefined behaviour in kernel/workqueue.c:1826:18 [ 1440.415363] member access within misaligned address ffff88005d276038 for type 'struct worker_pool' [ 1440.465943] which requires 64 byte alignment [ 1440.500072] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1440.537023] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1440.599516] 00000000ffffffff 0c28571bde984a73 ffff88005d407c50 ffffffffb26ec5cc [ 1440.647557] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1440.694308] ffffffff00000010 ffff88005d407c78 ffff88005d407c28 ffffffffb363c3e0 [ 1440.738859] Call Trace: [ 1440.756328] [] dump_stack+0xd7/0x132 [ 1440.800154] [] ? arch_local_irq_restore+0x1b/0x1b [ 1440.835874] [] ubsan_epilogue+0x12/0x53 [ 1440.882883] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1440.928408] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1440.973206] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1441.021257] [] destroy_worker+0x16b/0x250 [ 1441.058953] [] idle_worker_timeout+0x1b5/0x1ba [ 1441.096075] [] ? pwq_unbound_release_workfn+0x1e6/0x1e6 [ 1441.144911] [] call_timer_fn+0x7b/0x254 [ 1441.180859] [] ? pwq_unbound_release_workfn+0x1e6/0x1e6 [ 1441.223460] [] __run_timers+0x6d2/0x76b [ 1441.255714] [] ? internal_add_timer+0x8f/0x8f [ 1441.295147] [] ? timekeeping_delta_to_ns+0x97/0xa6 [ 1441.330458] [] ? paravirt_write_msr+0xf/0x13 [ 1441.369884] [] ? native_apic_msr_write+0x29/0x2b [ 1441.410179] [] ? apic_write+0x53/0x5a [ 1441.445499] [] run_timer_softirq+0x87/0x8f [ 1441.479687] [] __do_softirq+0x211/0x59e [ 1441.511691] [] irq_exit+0x65/0xd6 [ 1441.542606] [] smp_apic_timer_interrupt+0x33/0x3e [ 1441.579205] [] apic_timer_interrupt+0x82/0x90 [ 1441.613879] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 1441.665927] [] ? native_safe_halt+0x6/0x8 [ 1441.702273] [] default_idle+0x1f/0x32 [ 1441.734372] [] arch_cpu_idle+0xf/0x11 [ 1441.764793] [] default_idle_call+0x1e/0x20 [ 1441.802896] [] cpu_startup_entry+0x20f/0x384 [ 1441.834586] [] ? default_idle_call+0x20/0x20 [ 1441.874449] [] rest_init+0x8c/0x8f [ 1441.905178] [] start_kernel+0x618/0x64b [ 1441.938276] [] ? thread_stack_cache_init+0xb/0xb [ 1441.978281] [] ? cmdline_find_option_bool+0x131/0x146 [ 1442.018984] [] ? early_idt_handler_array+0x120/0x120 [ 1442.061650] [] x86_64_start_reservations+0x24/0x26 [ 1442.101563] [] x86_64_start_kernel+0x179/0x19c [ 1442.139245] ================================================================================ [ 1442.194906] ================================================================================ [ 1442.246864] UBSAN: Undefined behaviour in kernel/workqueue.c:1827:6 [ 1442.291469] member access within misaligned address ffff88005d276038 for type 'struct worker_pool' [ 1442.348969] which requires 64 byte alignment [ 1442.373966] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1442.411056] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1442.466222] 00000000ffffffff 0c28571bde984a73 ffff88005d407c50 ffffffffb26ec5cc [ 1442.522547] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1442.588374] ffffffff00000010 ffff88005d407c78 ffff88005d407c28 ffffffffb363c3e0 [ 1442.651769] Call Trace: [ 1442.673678] [] dump_stack+0xd7/0x132 [ 1442.730091] [] ? arch_local_irq_restore+0x1b/0x1b [ 1442.770301] [] ubsan_epilogue+0x12/0x53 [ 1442.809711] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1442.860197] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1442.915332] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1442.966270] [] destroy_worker+0x18a/0x250 [ 1443.007096] [] idle_worker_timeout+0x1b5/0x1ba [ 1443.053210] [] ? pwq_unbound_release_workfn+0x1e6/0x1e6 [ 1443.108342] [] call_timer_fn+0x7b/0x254 [ 1443.145567] [] ? pwq_unbound_release_workfn+0x1e6/0x1e6 [ 1443.208239] [] __run_timers+0x6d2/0x76b [ 1443.264688] [] ? internal_add_timer+0x8f/0x8f [ 1443.397324] [] ? timekeeping_delta_to_ns+0x97/0xa6 [ 1443.451112] [] ? paravirt_write_msr+0xf/0x13 [ 1443.485408] [] ? native_apic_msr_write+0x29/0x2b [ 1443.521837] [] ? apic_write+0x53/0x5a [ 1443.553019] [] run_timer_softirq+0x87/0x8f [ 1443.597777] [] __do_softirq+0x211/0x59e [ 1443.630804] [] irq_exit+0x65/0xd6 [ 1443.669219] [] smp_apic_timer_interrupt+0x33/0x3e [ 1443.715837] [] apic_timer_interrupt+0x82/0x90 [ 1443.757135] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 1443.814563] [] ? native_safe_halt+0x6/0x8 [ 1443.858407] [] default_idle+0x1f/0x32 [ 1443.897637] [] arch_cpu_idle+0xf/0x11 [ 1443.933365] [] default_idle_call+0x1e/0x20 [ 1443.986322] [] cpu_startup_entry+0x20f/0x384 [ 1444.041436] [] ? default_idle_call+0x20/0x20 [ 1444.093146] [] rest_init+0x8c/0x8f [ 1444.130947] [] start_kernel+0x618/0x64b [ 1444.171953] [] ? thread_stack_cache_init+0xb/0xb [ 1444.213451] [] ? cmdline_find_option_bool+0x131/0x146 [ 1444.266327] [] ? early_idt_handler_array+0x120/0x120 [ 1444.306033] [] x86_64_start_reservations+0x24/0x26 [ 1444.355529] [] x86_64_start_kernel+0x179/0x19c [ 1444.397291] ================================================================================ [ 1444.449104] ================================================================================ [ 1444.500940] UBSAN: Undefined behaviour in kernel/workqueue.c:1827:15 [ 1444.542405] member access within misaligned address ffff88005d276038 for type 'struct worker_pool' [ 1444.608008] which requires 64 byte alignment [ 1444.629374] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1444.666888] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1444.730935] 00000000ffffffff 0c28571bde984a73 ffff88005d407c50 ffffffffb26ec5cc [ 1444.785231] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1444.851451] ffffffff00000010 ffff88005d407c78 ffff88005d407c28 ffffffffb363c3e0 [ 1444.922797] Call Trace: [ 1444.943122] [] dump_stack+0xd7/0x132 [ 1444.991916] [] ? arch_local_irq_restore+0x1b/0x1b [ 1445.038129] [] ubsan_epilogue+0x12/0x53 [ 1445.073714] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1445.133256] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1445.184904] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1445.241253] [] destroy_worker+0x1cd/0x250 [ 1445.282091] [] idle_worker_timeout+0x1b5/0x1ba [ 1445.340169] [] ? pwq_unbound_release_workfn+0x1e6/0x1e6 [ 1445.471192] [] call_timer_fn+0x7b/0x254 [ 1445.534087] [] ? pwq_unbound_release_workfn+0x1e6/0x1e6 [ 1445.590428] [] __run_timers+0x6d2/0x76b [ 1445.625854] [] ? internal_add_timer+0x8f/0x8f [ 1445.671299] [] ? timekeeping_delta_to_ns+0x97/0xa6 [ 1445.715182] [] ? paravirt_write_msr+0xf/0x13 [ 1445.754869] [] ? native_apic_msr_write+0x29/0x2b [ 1445.801605] [] ? apic_write+0x53/0x5a [ 1445.835128] [] run_timer_softirq+0x87/0x8f [ 1445.884400] [] __do_softirq+0x211/0x59e [ 1445.916800] [] irq_exit+0x65/0xd6 [ 1445.953464] [] smp_apic_timer_interrupt+0x33/0x3e [ 1446.001316] [] apic_timer_interrupt+0x82/0x90 [ 1446.040134] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 1446.105817] [] ? native_safe_halt+0x6/0x8 [ 1446.144313] [] default_idle+0x1f/0x32 [ 1446.186847] [] arch_cpu_idle+0xf/0x11 [ 1446.232455] [] default_idle_call+0x1e/0x20 [ 1446.286557] [] cpu_startup_entry+0x20f/0x384 [ 1446.333519] [] ? default_idle_call+0x20/0x20 [ 1446.375828] [] rest_init+0x8c/0x8f [ 1446.407102] [] start_kernel+0x618/0x64b [ 1446.450638] [] ? thread_stack_cache_init+0xb/0xb [ 1446.509276] [] ? cmdline_find_option_bool+0x131/0x146 [ 1446.573996] [] ? early_idt_handler_array+0x120/0x120 [ 1446.631816] [] x86_64_start_reservations+0x24/0x26 [ 1446.667442] [] x86_64_start_kernel+0x179/0x19c [ 1446.705936] ================================================================================ [ 1446.778920] ================================================================================ [ 1446.822080] UBSAN: Undefined behaviour in fs/ext4/super.c:3616:17 [ 1446.851432] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1446.886822] which requires 64 byte alignment [ 1446.906588] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1446.925604] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1446.959353] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1446.990583] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1447.028077] ffff880000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1447.065199] Call Trace: [ 1447.073221] [] dump_stack+0xd7/0x132 [ 1447.094636] [] ? arch_local_irq_restore+0x1b/0x1b [ 1447.123425] [] ubsan_epilogue+0x12/0x53 [ 1447.149323] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1447.173058] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1447.203978] [] ext4_fill_super+0x2fbf/0xa2df [ 1447.231750] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1447.254483] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1447.279412] [] ? vsnprintf+0x1a0/0xa32 [ 1447.300563] [] ? pointer+0x7a9/0x7a9 [ 1447.316924] [] ? set_bdev_super+0x15d/0x15d [ 1447.336100] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1447.360938] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1447.414751] [] ? scnprintf+0xf3/0xf3 [ 1447.550852] [] mount_bdev+0x3cf/0x602 [ 1447.607226] [] ? mount_bdev+0x3cf/0x602 [ 1447.673638] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1447.707015] [] ext4_mount+0x3c/0x3e [ 1447.726671] [] mount_fs+0xd0/0x2ca [ 1447.744410] [] vfs_kern_mount+0xa0/0x20a [ 1447.765058] [] do_mount+0x11fe/0x19df [ 1447.780713] [] ? kasan_kmalloc+0x94/0xa3 [ 1447.808509] [] ? copy_mount_string+0x3d/0x3d [ 1447.827691] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1447.857783] [] ? __check_object_size+0x1e1/0x2b8 [ 1447.881313] [] ? 0xffffffffb1c002b8 [ 1447.904200] [] ? copy_mount_options+0x23d/0x24d [ 1447.924588] [] SyS_mount+0xa3/0xda [ 1447.947838] [] mount_block_root+0x2fc/0x650 [ 1447.969101] [] ? init_rootfs+0x99/0x99 [ 1447.986120] [] ? security_file_ioctl+0xa5/0xb4 [ 1448.009354] [] ? SyS_mknod+0x2f/0x36 [ 1448.034653] [] mount_root+0x45/0x48 [ 1448.056255] [] prepare_namespace+0x1cf/0x235 [ 1448.084591] [] kernel_init_freeable+0x4fa/0x518 [ 1448.107771] [] kernel_init+0x16/0x181 [ 1448.130988] [] ret_from_fork+0x1f/0x40 [ 1448.152704] [] ? rest_init+0x8f/0x8f [ 1448.175865] ================================================================================ [ 1448.217446] ================================================================================ [ 1448.269112] UBSAN: Undefined behaviour in fs/ext4/super.c:3622:21 [ 1448.379312] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1448.424722] which requires 64 byte alignment [ 1448.455229] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1448.484281] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1448.547763] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1448.592717] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1448.671546] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1448.711755] Call Trace: [ 1448.730793] [] dump_stack+0xd7/0x132 [ 1448.761265] [] ? arch_local_irq_restore+0x1b/0x1b [ 1448.790786] [] ubsan_epilogue+0x12/0x53 [ 1448.814533] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1448.844148] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1448.871463] [] ext4_fill_super+0x30ac/0xa2df [ 1448.890794] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1448.911319] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1448.933147] [] ? vsnprintf+0x1a0/0xa32 [ 1448.950318] [] ? pointer+0x7a9/0x7a9 [ 1448.967468] [] ? set_bdev_super+0x15d/0x15d [ 1448.986052] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1449.011738] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1449.039565] [] ? scnprintf+0xf3/0xf3 [ 1449.060007] [] mount_bdev+0x3cf/0x602 [ 1449.079716] [] ? mount_bdev+0x3cf/0x602 [ 1449.101136] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1449.125150] [] ext4_mount+0x3c/0x3e [ 1449.146675] [] mount_fs+0xd0/0x2ca [ 1449.162036] [] vfs_kern_mount+0xa0/0x20a [ 1449.184791] [] do_mount+0x11fe/0x19df [ 1449.200158] [] ? kasan_kmalloc+0x94/0xa3 [ 1449.229317] [] ? copy_mount_string+0x3d/0x3d [ 1449.251581] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1449.271081] [] ? __check_object_size+0x1e1/0x2b8 [ 1449.294600] [] ? 0xffffffffb1c002b8 [ 1449.337097] [] ? copy_mount_options+0x23d/0x24d [ 1449.366718] [] SyS_mount+0xa3/0xda [ 1449.385083] [] mount_block_root+0x2fc/0x650 [ 1449.407658] [] ? init_rootfs+0x99/0x99 [ 1449.435824] [] ? security_file_ioctl+0xa5/0xb4 [ 1449.502532] [] ? SyS_mknod+0x2f/0x36 [ 1449.538090] [] mount_root+0x45/0x48 [ 1449.590514] [] prepare_namespace+0x1cf/0x235 [ 1449.643151] [] kernel_init_freeable+0x4fa/0x518 [ 1449.687473] [] kernel_init+0x16/0x181 [ 1449.713530] [] ret_from_fork+0x1f/0x40 [ 1449.731740] [] ? rest_init+0x8f/0x8f [ 1449.757398] ================================================================================ [ 1449.791297] ================================================================================ [ 1449.838115] UBSAN: Undefined behaviour in fs/ext4/super.c:3623:20 [ 1449.857986] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1449.890270] which requires 64 byte alignment [ 1449.903615] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1449.930823] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1449.963181] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1449.988645] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1450.012238] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1450.046750] Call Trace: [ 1450.055840] [] dump_stack+0xd7/0x132 [ 1450.077743] [] ? arch_local_irq_restore+0x1b/0x1b [ 1450.101371] [] ubsan_epilogue+0x12/0x53 [ 1450.127736] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1450.170364] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1450.220041] [] ext4_fill_super+0x3106/0xa2df [ 1450.243059] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1450.260973] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1450.281763] [] ? vsnprintf+0x1a0/0xa32 [ 1450.301510] [] ? pointer+0x7a9/0x7a9 [ 1450.320307] [] ? set_bdev_super+0x15d/0x15d [ 1450.343016] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1450.369058] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1450.392901] [] ? scnprintf+0xf3/0xf3 [ 1450.409379] [] mount_bdev+0x3cf/0x602 [ 1450.428146] [] ? mount_bdev+0x3cf/0x602 [ 1450.451864] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1450.491012] [] ext4_mount+0x3c/0x3e [ 1450.512573] [] mount_fs+0xd0/0x2ca [ 1450.533382] [] vfs_kern_mount+0xa0/0x20a [ 1450.555198] [] do_mount+0x11fe/0x19df [ 1450.575450] [] ? kasan_kmalloc+0x94/0xa3 [ 1450.592933] [] ? copy_mount_string+0x3d/0x3d [ 1450.612335] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1450.635427] [] ? __check_object_size+0x1e1/0x2b8 [ 1450.655709] [] ? 0xffffffffb1c002b8 [ 1450.675923] [] ? copy_mount_options+0x23d/0x24d [ 1450.697235] [] SyS_mount+0xa3/0xda [ 1450.717954] [] mount_block_root+0x2fc/0x650 [ 1450.741077] [] ? init_rootfs+0x99/0x99 [ 1450.763045] [] ? security_file_ioctl+0xa5/0xb4 [ 1450.794303] [] ? SyS_mknod+0x2f/0x36 [ 1450.816622] [] mount_root+0x45/0x48 [ 1450.848180] [] prepare_namespace+0x1cf/0x235 [ 1450.873356] [] kernel_init_freeable+0x4fa/0x518 [ 1450.895197] [] kernel_init+0x16/0x181 [ 1450.917720] [] ret_from_fork+0x1f/0x40 [ 1450.940370] [] ? rest_init+0x8f/0x8f [ 1450.958753] ================================================================================ [ 1451.004349] ================================================================================ [ 1451.038725] UBSAN: Undefined behaviour in fs/ext4/super.c:3624:11 [ 1451.063765] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1451.106287] which requires 64 byte alignment [ 1451.123266] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1451.149131] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1451.196447] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1451.226029] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1451.259917] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1451.290912] Call Trace: [ 1451.302075] [] dump_stack+0xd7/0x132 [ 1451.326300] [] ? arch_local_irq_restore+0x1b/0x1b [ 1451.358349] [] ubsan_epilogue+0x12/0x53 [ 1451.384937] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1451.417601] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1451.442135] [] ext4_fill_super+0x3139/0xa2df [ 1451.461524] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1451.485624] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1451.514589] [] ? vsnprintf+0x1a0/0xa32 [ 1451.534391] [] ? pointer+0x7a9/0x7a9 [ 1451.553628] [] ? set_bdev_super+0x15d/0x15d [ 1451.574917] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1451.599372] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1451.627782] [] ? scnprintf+0xf3/0xf3 [ 1451.644298] [] mount_bdev+0x3cf/0x602 [ 1451.669298] [] ? mount_bdev+0x3cf/0x602 [ 1451.689725] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1451.713044] [] ext4_mount+0x3c/0x3e [ 1451.730147] [] mount_fs+0xd0/0x2ca [ 1451.749405] [] vfs_kern_mount+0xa0/0x20a [ 1451.769468] [] do_mount+0x11fe/0x19df [ 1451.785047] [] ? kasan_kmalloc+0x94/0xa3 [ 1451.804621] [] ? copy_mount_string+0x3d/0x3d [ 1451.824434] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1451.848310] [] ? __check_object_size+0x1e1/0x2b8 [ 1451.871411] [] ? 0xffffffffb1c002b8 [ 1451.892382] [] ? copy_mount_options+0x23d/0x24d [ 1451.917967] [] SyS_mount+0xa3/0xda [ 1451.934907] [] mount_block_root+0x2fc/0x650 [ 1451.957645] [] ? init_rootfs+0x99/0x99 [ 1451.996198] [] ? security_file_ioctl+0xa5/0xb4 [ 1452.025275] [] ? SyS_mknod+0x2f/0x36 [ 1452.049270] [] mount_root+0x45/0x48 [ 1452.073446] [] prepare_namespace+0x1cf/0x235 [ 1452.096311] [] kernel_init_freeable+0x4fa/0x518 [ 1452.121152] [] kernel_init+0x16/0x181 [ 1452.141429] [] ret_from_fork+0x1f/0x40 [ 1452.168162] [] ? rest_init+0x8f/0x8f [ 1452.187652] ================================================================================ [ 1452.216731] ================================================================================ [ 1452.241694] UBSAN: Undefined behaviour in fs/ext4/super.c:3625:26 [ 1452.270043] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1452.302590] which requires 64 byte alignment [ 1452.317624] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1452.336776] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1452.374908] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1452.401928] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1452.427096] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1452.456899] Call Trace: [ 1452.467869] [] dump_stack+0xd7/0x132 [ 1452.485158] [] ? arch_local_irq_restore+0x1b/0x1b [ 1452.504800] [] ubsan_epilogue+0x12/0x53 [ 1452.524929] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1452.554224] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1452.577168] [] ext4_fill_super+0x318c/0xa2df [ 1452.597638] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1452.622437] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1452.646172] [] ? vsnprintf+0x1a0/0xa32 [ 1452.670616] [] ? pointer+0x7a9/0x7a9 [ 1452.689144] [] ? set_bdev_super+0x15d/0x15d [ 1452.712633] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1452.737424] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1452.765013] [] ? scnprintf+0xf3/0xf3 [ 1452.782289] [] mount_bdev+0x3cf/0x602 [ 1452.802199] [] ? mount_bdev+0x3cf/0x602 [ 1452.822344] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1452.844546] [] ext4_mount+0x3c/0x3e [ 1452.861568] [] mount_fs+0xd0/0x2ca [ 1452.878983] [] vfs_kern_mount+0xa0/0x20a [ 1452.902064] [] do_mount+0x11fe/0x19df [ 1452.924892] [] ? kasan_kmalloc+0x94/0xa3 [ 1452.946334] [] ? copy_mount_string+0x3d/0x3d [ 1452.966510] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1452.989470] [] ? __check_object_size+0x1e1/0x2b8 [ 1453.010341] [] ? 0xffffffffb1c002b8 [ 1453.028076] [] ? copy_mount_options+0x23d/0x24d [ 1453.051785] [] SyS_mount+0xa3/0xda [ 1453.068679] [] mount_block_root+0x2fc/0x650 [ 1453.092763] [] ? init_rootfs+0x99/0x99 [ 1453.113242] [] ? security_file_ioctl+0xa5/0xb4 [ 1453.135702] [] ? SyS_mknod+0x2f/0x36 [ 1453.155637] [] mount_root+0x45/0x48 [ 1453.175682] [] prepare_namespace+0x1cf/0x235 [ 1453.203868] [] kernel_init_freeable+0x4fa/0x518 [ 1453.229451] [] kernel_init+0x16/0x181 [ 1453.253202] [] ret_from_fork+0x1f/0x40 [ 1453.273336] [] ? rest_init+0x8f/0x8f [ 1453.295979] ================================================================================ [ 1453.336939] ================================================================================ [ 1453.407378] UBSAN: Undefined behaviour in fs/ext4/super.c:3626:11 [ 1453.443468] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1453.493130] which requires 64 byte alignment [ 1453.509767] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1453.534603] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1453.569469] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1453.595244] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1453.623031] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1453.650917] Call Trace: [ 1453.658228] [] dump_stack+0xd7/0x132 [ 1453.676268] [] ? arch_local_irq_restore+0x1b/0x1b [ 1453.697929] [] ubsan_epilogue+0x12/0x53 [ 1453.721235] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1453.745046] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1453.771260] [] ext4_fill_super+0xa276/0xa2df [ 1453.795423] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1453.820790] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1453.860263] [] ? vsnprintf+0x1a0/0xa32 [ 1453.895972] [] ? pointer+0x7a9/0x7a9 [ 1453.932177] [] ? set_bdev_super+0x15d/0x15d [ 1453.972189] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1454.003578] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1454.050251] [] ? scnprintf+0xf3/0xf3 [ 1454.129838] [] mount_bdev+0x3cf/0x602 [ 1454.273328] [] ? mount_bdev+0x3cf/0x602 [ 1454.320480] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1454.369296] [] ext4_mount+0x3c/0x3e [ 1454.410385] [] mount_fs+0xd0/0x2ca [ 1454.446609] [] vfs_kern_mount+0xa0/0x20a [ 1454.484023] [] do_mount+0x11fe/0x19df [ 1454.528885] [] ? kasan_kmalloc+0x94/0xa3 [ 1454.564663] [] ? copy_mount_string+0x3d/0x3d [ 1454.610656] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1454.656370] [] ? __check_object_size+0x1e1/0x2b8 [ 1454.697141] [] ? 0xffffffffb1c002b8 [ 1454.762670] [] ? copy_mount_options+0x23d/0x24d [ 1454.911393] [] SyS_mount+0xa3/0xda [ 1454.978819] [] mount_block_root+0x2fc/0x650 [ 1455.077157] [] ? init_rootfs+0x99/0x99 [ 1455.143805] [] ? security_file_ioctl+0xa5/0xb4 [ 1455.192185] [] ? SyS_mknod+0x2f/0x36 [ 1455.223382] [] mount_root+0x45/0x48 [ 1455.258009] [] prepare_namespace+0x1cf/0x235 [ 1455.293208] [] kernel_init_freeable+0x4fa/0x518 [ 1455.328204] [] kernel_init+0x16/0x181 [ 1455.368718] [] ret_from_fork+0x1f/0x40 [ 1455.429550] [] ? rest_init+0x8f/0x8f [ 1455.478201] ================================================================================ [ 1455.577337] ================================================================================ [ 1455.649668] UBSAN: Undefined behaviour in fs/ext4/super.c:3632:10 [ 1455.692531] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1455.764188] which requires 64 byte alignment [ 1455.788118] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1455.821696] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1455.877164] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1455.919244] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1455.959500] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1455.998201] Call Trace: [ 1456.011794] [] dump_stack+0xd7/0x132 [ 1456.039158] [] ? arch_local_irq_restore+0x1b/0x1b [ 1456.091117] [] ubsan_epilogue+0x12/0x53 [ 1456.117364] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1456.157263] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1456.203399] [] ext4_fill_super+0xa28a/0xa2df [ 1456.236524] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1456.266081] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1456.309593] [] ? vsnprintf+0x1a0/0xa32 [ 1456.336977] [] ? pointer+0x7a9/0x7a9 [ 1456.364196] [] ? set_bdev_super+0x15d/0x15d [ 1456.399943] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1456.437511] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1456.483208] [] ? scnprintf+0xf3/0xf3 [ 1456.513304] [] mount_bdev+0x3cf/0x602 [ 1456.541558] [] ? mount_bdev+0x3cf/0x602 [ 1456.575882] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1456.607878] [] ext4_mount+0x3c/0x3e [ 1456.637411] [] mount_fs+0xd0/0x2ca [ 1456.658963] [] vfs_kern_mount+0xa0/0x20a [ 1456.690323] [] do_mount+0x11fe/0x19df [ 1456.721547] [] ? kasan_kmalloc+0x94/0xa3 [ 1456.754185] [] ? copy_mount_string+0x3d/0x3d [ 1456.780276] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1456.812139] [] ? __check_object_size+0x1e1/0x2b8 [ 1456.852549] [] ? 0xffffffffb1c002b8 [ 1456.877387] [] ? copy_mount_options+0x23d/0x24d [ 1456.915080] [] SyS_mount+0xa3/0xda [ 1456.941611] [] mount_block_root+0x2fc/0x650 [ 1456.976104] [] ? init_rootfs+0x99/0x99 [ 1457.005629] [] ? security_file_ioctl+0xa5/0xb4 [ 1457.042628] [] ? SyS_mknod+0x2f/0x36 [ 1457.076938] [] mount_root+0x45/0x48 [ 1457.104800] [] prepare_namespace+0x1cf/0x235 [ 1457.132851] [] kernel_init_freeable+0x4fa/0x518 [ 1457.168791] [] kernel_init+0x16/0x181 [ 1457.193562] [] ret_from_fork+0x1f/0x40 [ 1457.221682] [] ? rest_init+0x8f/0x8f [ 1457.248564] ================================================================================ [ 1457.300534] ================================================================================ [ 1457.342124] UBSAN: Undefined behaviour in fs/ext4/super.c:3633:20 [ 1457.372584] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1457.422092] which requires 64 byte alignment [ 1457.448230] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1457.483906] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1457.544059] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1457.595406] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1457.644579] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1457.688924] Call Trace: [ 1457.698725] [] dump_stack+0xd7/0x132 [ 1457.722880] [] ? arch_local_irq_restore+0x1b/0x1b [ 1457.756239] [] ubsan_epilogue+0x12/0x53 [ 1457.787578] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1457.830332] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1457.872352] [] ext4_fill_super+0xa2ae/0xa2df [ 1457.906656] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1457.943919] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1457.983748] [] ? vsnprintf+0x1a0/0xa32 [ 1458.018456] [] ? pointer+0x7a9/0x7a9 [ 1458.049615] [] ? set_bdev_super+0x15d/0x15d [ 1458.088986] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1458.130202] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1458.171902] [] ? scnprintf+0xf3/0xf3 [ 1458.207420] [] mount_bdev+0x3cf/0x602 [ 1458.242154] [] ? mount_bdev+0x3cf/0x602 [ 1458.277545] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1458.312682] [] ext4_mount+0x3c/0x3e [ 1458.343513] [] mount_fs+0xd0/0x2ca [ 1458.371448] [] vfs_kern_mount+0xa0/0x20a [ 1458.407210] [] do_mount+0x11fe/0x19df [ 1458.437081] [] ? kasan_kmalloc+0x94/0xa3 [ 1458.477558] [] ? copy_mount_string+0x3d/0x3d [ 1458.521478] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1458.561746] [] ? __check_object_size+0x1e1/0x2b8 [ 1458.592342] [] ? 0xffffffffb1c002b8 [ 1458.619467] [] ? copy_mount_options+0x23d/0x24d [ 1458.652406] [] SyS_mount+0xa3/0xda [ 1458.681492] [] mount_block_root+0x2fc/0x650 [ 1458.720816] [] ? init_rootfs+0x99/0x99 [ 1458.755938] [] ? security_file_ioctl+0xa5/0xb4 [ 1458.791615] [] ? SyS_mknod+0x2f/0x36 [ 1458.822704] [] mount_root+0x45/0x48 [ 1458.855986] [] prepare_namespace+0x1cf/0x235 [ 1458.894525] [] kernel_init_freeable+0x4fa/0x518 [ 1458.944764] [] kernel_init+0x16/0x181 [ 1459.062188] [] ret_from_fork+0x1f/0x40 [ 1459.111109] [] ? rest_init+0x8f/0x8f [ 1459.181610] ================================================================================ [ 1459.277403] ================================================================================ [ 1459.356019] UBSAN: Undefined behaviour in fs/ext4/super.c:3636:19 [ 1459.403030] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1459.459963] which requires 64 byte alignment [ 1459.493157] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1459.527966] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1459.581442] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1459.630248] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1459.674706] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1459.725629] Call Trace: [ 1459.738797] [] dump_stack+0xd7/0x132 [ 1459.772594] [] ? arch_local_irq_restore+0x1b/0x1b [ 1459.809258] [] ubsan_epilogue+0x12/0x53 [ 1459.833499] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1459.870511] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1459.911986] [] ext4_fill_super+0x3233/0xa2df [ 1459.952302] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1459.983024] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1460.021460] [] ? vsnprintf+0x1a0/0xa32 [ 1460.058266] [] ? pointer+0x7a9/0x7a9 [ 1460.087656] [] ? set_bdev_super+0x15d/0x15d [ 1460.123299] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1460.227938] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1460.313621] [] ? scnprintf+0xf3/0xf3 [ 1460.378073] [] mount_bdev+0x3cf/0x602 [ 1460.410319] [] ? mount_bdev+0x3cf/0x602 [ 1460.435871] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1460.472521] [] ext4_mount+0x3c/0x3e [ 1460.495698] [] mount_fs+0xd0/0x2ca [ 1460.523462] [] vfs_kern_mount+0xa0/0x20a [ 1460.562271] [] do_mount+0x11fe/0x19df [ 1460.592273] [] ? kasan_kmalloc+0x94/0xa3 [ 1460.624318] [] ? copy_mount_string+0x3d/0x3d [ 1460.695039] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1460.776800] [] ? __check_object_size+0x1e1/0x2b8 [ 1460.838757] [] ? 0xffffffffb1c002b8 [ 1460.874490] [] ? copy_mount_options+0x23d/0x24d [ 1460.912651] [] SyS_mount+0xa3/0xda [ 1460.944240] [] mount_block_root+0x2fc/0x650 [ 1460.982709] [] ? init_rootfs+0x99/0x99 [ 1461.020307] [] ? security_file_ioctl+0xa5/0xb4 [ 1461.051148] [] ? SyS_mknod+0x2f/0x36 [ 1461.079337] [] mount_root+0x45/0x48 [ 1461.109384] [] prepare_namespace+0x1cf/0x235 [ 1461.145172] [] kernel_init_freeable+0x4fa/0x518 [ 1461.174985] [] kernel_init+0x16/0x181 [ 1461.206743] [] ret_from_fork+0x1f/0x40 [ 1461.242017] [] ? rest_init+0x8f/0x8f [ 1461.274255] ================================================================================ [ 1461.334756] ================================================================================ [ 1461.375252] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1461.413465] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1461.474802] which requires 64 byte alignment [ 1461.498406] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1461.536351] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1461.592332] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1461.638340] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1461.685222] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1461.733331] Call Trace: [ 1461.751962] [] dump_stack+0xd7/0x132 [ 1461.786718] [] ? arch_local_irq_restore+0x1b/0x1b [ 1461.828781] [] ubsan_epilogue+0x12/0x53 [ 1461.862573] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1461.985043] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1462.040380] [] ext4_fill_super+0x3258/0xa2df [ 1462.097497] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1462.144637] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1462.246683] [] ? vsnprintf+0x1a0/0xa32 [ 1462.285056] [] ? pointer+0x7a9/0x7a9 [ 1462.368004] [] ? set_bdev_super+0x15d/0x15d [ 1462.432311] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1462.533698] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1462.658078] [] ? scnprintf+0xf3/0xf3 [ 1462.966958] [] mount_bdev+0x3cf/0x602 [ 1463.062326] [] ? mount_bdev+0x3cf/0x602 [ 1463.089432] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1463.119303] [] ext4_mount+0x3c/0x3e [ 1463.209678] [] mount_fs+0xd0/0x2ca [ 1463.351903] [] vfs_kern_mount+0xa0/0x20a [ 1463.633426] [] do_mount+0x11fe/0x19df [ 1463.798715] [] ? kasan_kmalloc+0x94/0xa3 [ 1463.966396] [] ? copy_mount_string+0x3d/0x3d [ 1464.049764] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1464.176597] [] ? __check_object_size+0x1e1/0x2b8 [ 1464.360089] [] ? 0xffffffffb1c002b8 [ 1464.513179] [] ? copy_mount_options+0x23d/0x24d [ 1464.601544] [] SyS_mount+0xa3/0xda [ 1464.630823] [] mount_block_root+0x2fc/0x650 [ 1464.703001] [] ? init_rootfs+0x99/0x99 [ 1464.770672] [] ? security_file_ioctl+0xa5/0xb4 [ 1464.833071] [] ? SyS_mknod+0x2f/0x36 [ 1464.924596] [] mount_root+0x45/0x48 [ 1465.006145] [] prepare_namespace+0x1cf/0x235 [ 1465.061419] [] kernel_init_freeable+0x4fa/0x518 [ 1465.112441] [] kernel_init+0x16/0x181 [ 1465.150269] [] ret_from_fork+0x1f/0x40 [ 1465.189273] [] ? rest_init+0x8f/0x8f [ 1465.223338] ================================================================================ [ 1465.277264] ================================================================================ [ 1465.346189] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1781:1 [ 1465.398315] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1465.478065] which requires 64 byte alignment [ 1465.524835] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1465.583593] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1465.667927] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1465.727344] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1465.793432] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1465.872127] Call Trace: [ 1465.895655] [] dump_stack+0xd7/0x132 [ 1465.949748] [] ? arch_local_irq_restore+0x1b/0x1b [ 1466.084579] [] ubsan_epilogue+0x12/0x53 [ 1466.212899] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1466.649279] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1466.950646] [] ext4_fill_super+0x3285/0xa2df [ 1467.118869] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1467.174304] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1467.249553] [] ? vsnprintf+0x1a0/0xa32 [ 1467.296625] [] ? pointer+0x7a9/0x7a9 [ 1467.364154] [] ? set_bdev_super+0x15d/0x15d [ 1467.440095] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1467.518610] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1467.593783] [] ? scnprintf+0xf3/0xf3 [ 1467.660482] [] mount_bdev+0x3cf/0x602 [ 1467.738116] [] ? mount_bdev+0x3cf/0x602 [ 1467.846623] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1467.996496] [] ext4_mount+0x3c/0x3e [ 1468.102271] [] mount_fs+0xd0/0x2ca [ 1468.194945] [] vfs_kern_mount+0xa0/0x20a [ 1468.393662] [] do_mount+0x11fe/0x19df [ 1468.517793] [] ? kasan_kmalloc+0x94/0xa3 [ 1468.639538] [] ? copy_mount_string+0x3d/0x3d [ 1468.767809] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1468.856267] [] ? __check_object_size+0x1e1/0x2b8 [ 1468.967308] [] ? 0xffffffffb1c002b8 [ 1469.063565] [] ? copy_mount_options+0x23d/0x24d [ 1469.163938] [] SyS_mount+0xa3/0xda [ 1469.248141] [] mount_block_root+0x2fc/0x650 [ 1469.368367] [] ? init_rootfs+0x99/0x99 [ 1469.444883] [] ? security_file_ioctl+0xa5/0xb4 [ 1469.540400] [] ? SyS_mknod+0x2f/0x36 [ 1469.620600] [] mount_root+0x45/0x48 [ 1469.687012] [] prepare_namespace+0x1cf/0x235 [ 1469.901056] [] kernel_init_freeable+0x4fa/0x518 [ 1469.964740] [] kernel_init+0x16/0x181 [ 1470.077043] [] ret_from_fork+0x1f/0x40 [ 1470.164786] [] ? rest_init+0x8f/0x8f [ 1470.268059] ================================================================================ [ 1470.468879] ================================================================================ [ 1470.827117] UBSAN: Undefined behaviour in fs/ext4/super.c:3638:10 [ 1470.933284] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1471.253243] which requires 64 byte alignment [ 1471.302565] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1471.353288] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1471.430018] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1471.503760] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1471.584235] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1471.664954] Call Trace: [ 1471.726210] [] dump_stack+0xd7/0x132 [ 1472.003862] [] ? arch_local_irq_restore+0x1b/0x1b [ 1472.376468] [] ubsan_epilogue+0x12/0x53 [ 1472.719893] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1472.813719] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1473.119189] [] ext4_fill_super+0x32e3/0xa2df [ 1473.552210] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1473.747432] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1473.837719] [] ? vsnprintf+0x1a0/0xa32 [ 1473.998728] [] ? pointer+0x7a9/0x7a9 [ 1474.313252] [] ? set_bdev_super+0x15d/0x15d [ 1474.375584] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1474.684684] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1474.932017] [] ? scnprintf+0xf3/0xf3 [ 1475.172334] [] mount_bdev+0x3cf/0x602 [ 1475.644547] [] ? mount_bdev+0x3cf/0x602 [ 1475.746323] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1475.830647] [] ext4_mount+0x3c/0x3e [ 1475.887230] [] mount_fs+0xd0/0x2ca [ 1475.969287] [] vfs_kern_mount+0xa0/0x20a [ 1476.177651] [] do_mount+0x11fe/0x19df [ 1476.319087] [] ? kasan_kmalloc+0x94/0xa3 [ 1476.391917] [] ? copy_mount_string+0x3d/0x3d [ 1476.477684] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1476.605459] [] ? __check_object_size+0x1e1/0x2b8 [ 1476.714766] [] ? 0xffffffffb1c002b8 [ 1476.772400] [] ? copy_mount_options+0x23d/0x24d [ 1476.883348] [] SyS_mount+0xa3/0xda [ 1476.968955] [] mount_block_root+0x2fc/0x650 [ 1477.036679] [] ? init_rootfs+0x99/0x99 [ 1477.092304] [] ? security_file_ioctl+0xa5/0xb4 [ 1477.152875] [] ? SyS_mknod+0x2f/0x36 [ 1477.220497] [] mount_root+0x45/0x48 [ 1477.294394] [] prepare_namespace+0x1cf/0x235 [ 1477.362630] [] kernel_init_freeable+0x4fa/0x518 [ 1477.422821] [] kernel_init+0x16/0x181 [ 1477.501116] [] ret_from_fork+0x1f/0x40 [ 1477.554492] [] ? rest_init+0x8f/0x8f [ 1477.623357] ================================================================================ [ 1477.741661] ================================================================================ [ 1477.819899] UBSAN: Undefined behaviour in fs/ext4/super.c:3640:8 [ 1477.890315] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1477.986686] which requires 64 byte alignment [ 1478.024523] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1478.086367] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1478.185133] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1478.284518] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1478.349412] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1478.431089] Call Trace: [ 1478.463208] [] dump_stack+0xd7/0x132 [ 1478.499529] [] ? arch_local_irq_restore+0x1b/0x1b [ 1478.566885] [] ubsan_epilogue+0x12/0x53 [ 1478.618937] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1478.689410] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1478.768015] [] ext4_fill_super+0x333c/0xa2df [ 1478.823813] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1478.895484] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1478.956026] [] ? vsnprintf+0x1a0/0xa32 [ 1479.007163] [] ? pointer+0x7a9/0x7a9 [ 1479.063591] [] ? set_bdev_super+0x15d/0x15d [ 1479.113315] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1479.181622] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1479.247292] [] ? scnprintf+0xf3/0xf3 [ 1479.320607] [] mount_bdev+0x3cf/0x602 [ 1479.371638] [] ? mount_bdev+0x3cf/0x602 [ 1479.423140] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1479.486289] [] ext4_mount+0x3c/0x3e [ 1479.532498] [] mount_fs+0xd0/0x2ca [ 1479.588544] [] vfs_kern_mount+0xa0/0x20a [ 1479.650192] [] do_mount+0x11fe/0x19df [ 1479.720923] [] ? kasan_kmalloc+0x94/0xa3 [ 1479.786727] [] ? copy_mount_string+0x3d/0x3d [ 1479.886594] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1479.952326] [] ? __check_object_size+0x1e1/0x2b8 [ 1480.065347] [] ? 0xffffffffb1c002b8 [ 1480.139230] [] ? copy_mount_options+0x23d/0x24d [ 1480.228682] [] SyS_mount+0xa3/0xda [ 1480.302473] [] mount_block_root+0x2fc/0x650 [ 1480.390610] [] ? init_rootfs+0x99/0x99 [ 1480.448978] [] ? security_file_ioctl+0xa5/0xb4 [ 1480.510479] [] ? SyS_mknod+0x2f/0x36 [ 1480.579848] [] mount_root+0x45/0x48 [ 1480.634621] [] prepare_namespace+0x1cf/0x235 [ 1480.719504] [] kernel_init_freeable+0x4fa/0x518 [ 1480.774181] [] kernel_init+0x16/0x181 [ 1480.853772] [] ret_from_fork+0x1f/0x40 [ 1480.940311] [] ? rest_init+0x8f/0x8f [ 1481.056017] ================================================================================ [ 1481.163791] ================================================================================ [ 1481.267735] UBSAN: Undefined behaviour in fs/ext4/super.c:3649:26 [ 1481.325281] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1481.403275] which requires 64 byte alignment [ 1481.443256] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1481.507609] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1481.625696] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1481.728085] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1481.791877] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1481.888857] Call Trace: [ 1481.918552] [] dump_stack+0xd7/0x132 [ 1481.981188] [] ? arch_local_irq_restore+0x1b/0x1b [ 1482.056620] [] ubsan_epilogue+0x12/0x53 [ 1482.098509] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1482.168253] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1482.241253] [] ext4_fill_super+0x33b3/0xa2df [ 1482.302073] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1482.367919] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1482.472818] [] ? vsnprintf+0x1a0/0xa32 [ 1482.542358] [] ? pointer+0x7a9/0x7a9 [ 1482.598865] [] ? set_bdev_super+0x15d/0x15d [ 1482.658373] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1482.736270] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1482.804684] [] ? scnprintf+0xf3/0xf3 [ 1482.855961] [] mount_bdev+0x3cf/0x602 [ 1482.919856] [] ? mount_bdev+0x3cf/0x602 [ 1482.976445] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1483.067312] [] ext4_mount+0x3c/0x3e [ 1483.132493] [] mount_fs+0xd0/0x2ca [ 1483.204368] [] vfs_kern_mount+0xa0/0x20a [ 1483.319322] [] do_mount+0x11fe/0x19df [ 1483.404516] [] ? kasan_kmalloc+0x94/0xa3 [ 1483.491405] [] ? copy_mount_string+0x3d/0x3d [ 1483.568372] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1483.659816] [] ? __check_object_size+0x1e1/0x2b8 [ 1483.748440] [] ? 0xffffffffb1c002b8 [ 1483.820603] [] ? copy_mount_options+0x23d/0x24d [ 1483.924302] [] SyS_mount+0xa3/0xda [ 1484.002914] [] mount_block_root+0x2fc/0x650 [ 1484.103862] [] ? init_rootfs+0x99/0x99 [ 1484.187523] [] ? security_file_ioctl+0xa5/0xb4 [ 1484.237503] [] ? SyS_mknod+0x2f/0x36 [ 1484.290671] [] mount_root+0x45/0x48 [ 1484.339661] [] prepare_namespace+0x1cf/0x235 [ 1484.408155] [] kernel_init_freeable+0x4fa/0x518 [ 1484.480223] [] kernel_init+0x16/0x181 [ 1484.529134] [] ret_from_fork+0x1f/0x40 [ 1484.604155] [] ? rest_init+0x8f/0x8f [ 1484.668954] ================================================================================ [ 1484.785022] ================================================================================ [ 1484.936204] UBSAN: Undefined behaviour in fs/ext4/super.c:3650:26 [ 1485.018867] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1485.137716] which requires 64 byte alignment [ 1485.201223] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1485.273242] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1485.366134] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1485.456382] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1485.518248] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1485.598573] Call Trace: [ 1485.621175] [] dump_stack+0xd7/0x132 [ 1485.687073] [] ? arch_local_irq_restore+0x1b/0x1b [ 1485.820390] [] ubsan_epilogue+0x12/0x53 [ 1485.908183] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1486.041545] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1486.157212] [] ext4_fill_super+0x340b/0xa2df [ 1486.233736] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1486.291183] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1486.342085] [] ? vsnprintf+0x1a0/0xa32 [ 1486.408742] [] ? pointer+0x7a9/0x7a9 [ 1486.467312] [] ? set_bdev_super+0x15d/0x15d [ 1486.557481] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1486.688545] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1486.788106] [] ? scnprintf+0xf3/0xf3 [ 1486.970044] [] mount_bdev+0x3cf/0x602 [ 1487.041785] [] ? mount_bdev+0x3cf/0x602 [ 1487.106566] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1487.175851] [] ext4_mount+0x3c/0x3e [ 1487.224116] [] mount_fs+0xd0/0x2ca [ 1487.285749] [] vfs_kern_mount+0xa0/0x20a [ 1487.355580] [] do_mount+0x11fe/0x19df [ 1487.400693] [] ? kasan_kmalloc+0x94/0xa3 [ 1487.435718] [] ? copy_mount_string+0x3d/0x3d [ 1487.520503] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1487.569116] [] ? __check_object_size+0x1e1/0x2b8 [ 1487.627376] [] ? 0xffffffffb1c002b8 [ 1487.665243] [] ? copy_mount_options+0x23d/0x24d [ 1487.717221] [] SyS_mount+0xa3/0xda [ 1487.756819] [] mount_block_root+0x2fc/0x650 [ 1487.815694] [] ? init_rootfs+0x99/0x99 [ 1487.873648] [] ? security_file_ioctl+0xa5/0xb4 [ 1487.927042] [] ? SyS_mknod+0x2f/0x36 [ 1487.973173] [] mount_root+0x45/0x48 [ 1488.033070] [] prepare_namespace+0x1cf/0x235 [ 1488.091947] [] kernel_init_freeable+0x4fa/0x518 [ 1488.154993] [] kernel_init+0x16/0x181 [ 1488.209135] [] ret_from_fork+0x1f/0x40 [ 1488.260149] [] ? rest_init+0x8f/0x8f [ 1488.308782] ================================================================================ [ 1488.384009] ================================================================================ [ 1488.450356] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1488.492628] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1488.569762] which requires 64 byte alignment [ 1488.611733] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1488.662114] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1488.730347] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1488.803445] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1488.871433] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1488.942191] Call Trace: [ 1488.966233] [] dump_stack+0xd7/0x132 [ 1489.024751] [] ? arch_local_irq_restore+0x1b/0x1b [ 1489.101413] [] ubsan_epilogue+0x12/0x53 [ 1489.155125] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1489.226909] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1489.291974] [] ext4_fill_super+0x343c/0xa2df [ 1489.350455] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1489.415829] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1489.471407] [] ? vsnprintf+0x1a0/0xa32 [ 1489.516962] [] ? pointer+0x7a9/0x7a9 [ 1489.554945] [] ? set_bdev_super+0x15d/0x15d [ 1489.602863] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1489.659909] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1489.731424] [] ? scnprintf+0xf3/0xf3 [ 1489.777467] [] mount_bdev+0x3cf/0x602 [ 1489.827515] [] ? mount_bdev+0x3cf/0x602 [ 1489.876208] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1489.956472] [] ext4_mount+0x3c/0x3e [ 1490.018871] [] mount_fs+0xd0/0x2ca [ 1490.073057] [] vfs_kern_mount+0xa0/0x20a [ 1490.121620] [] do_mount+0x11fe/0x19df [ 1490.179485] [] ? kasan_kmalloc+0x94/0xa3 [ 1490.235408] [] ? copy_mount_string+0x3d/0x3d [ 1490.291700] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1490.356353] [] ? __check_object_size+0x1e1/0x2b8 [ 1490.417787] [] ? 0xffffffffb1c002b8 [ 1490.468794] [] ? copy_mount_options+0x23d/0x24d [ 1490.527890] [] SyS_mount+0xa3/0xda [ 1490.569230] [] mount_block_root+0x2fc/0x650 [ 1490.620325] [] ? init_rootfs+0x99/0x99 [ 1490.670894] [] ? security_file_ioctl+0xa5/0xb4 [ 1490.715031] [] ? SyS_mknod+0x2f/0x36 [ 1490.756883] [] mount_root+0x45/0x48 [ 1490.797728] [] prepare_namespace+0x1cf/0x235 [ 1490.854586] [] kernel_init_freeable+0x4fa/0x518 [ 1490.906885] [] kernel_init+0x16/0x181 [ 1490.954745] [] ret_from_fork+0x1f/0x40 [ 1490.995911] [] ? rest_init+0x8f/0x8f [ 1491.043106] ================================================================================ [ 1491.128912] ================================================================================ [ 1491.209620] UBSAN: Undefined behaviour in fs/ext4/super.c:3651:6 [ 1491.275592] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1491.375021] which requires 64 byte alignment [ 1491.412716] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1491.461705] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1491.540575] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1491.606369] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1491.693189] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1491.787772] Call Trace: [ 1491.816109] [] dump_stack+0xd7/0x132 [ 1491.908828] [] ? arch_local_irq_restore+0x1b/0x1b [ 1492.013705] [] ubsan_epilogue+0x12/0x53 [ 1492.077190] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1492.154764] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1492.218920] [] ext4_fill_super+0x345c/0xa2df [ 1492.278974] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1492.329218] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1492.404888] [] ? vsnprintf+0x1a0/0xa32 [ 1492.462711] [] ? pointer+0x7a9/0x7a9 [ 1492.524972] [] ? set_bdev_super+0x15d/0x15d [ 1492.598521] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1492.707151] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1492.788762] [] ? scnprintf+0xf3/0xf3 [ 1492.862849] [] mount_bdev+0x3cf/0x602 [ 1492.917433] [] ? mount_bdev+0x3cf/0x602 [ 1492.988062] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1493.042936] [] ext4_mount+0x3c/0x3e [ 1493.097523] [] mount_fs+0xd0/0x2ca [ 1493.155113] [] vfs_kern_mount+0xa0/0x20a [ 1493.199471] [] do_mount+0x11fe/0x19df [ 1493.272482] [] ? kasan_kmalloc+0x94/0xa3 [ 1493.326572] [] ? copy_mount_string+0x3d/0x3d [ 1493.406269] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1493.557762] [] ? __check_object_size+0x1e1/0x2b8 [ 1493.656878] [] ? 0xffffffffb1c002b8 [ 1493.738717] [] ? copy_mount_options+0x23d/0x24d [ 1493.850699] [] SyS_mount+0xa3/0xda [ 1493.904940] [] mount_block_root+0x2fc/0x650 [ 1493.974852] [] ? init_rootfs+0x99/0x99 [ 1494.017210] [] ? security_file_ioctl+0xa5/0xb4 [ 1494.072324] [] ? SyS_mknod+0x2f/0x36 [ 1494.170766] [] mount_root+0x45/0x48 [ 1494.222709] [] prepare_namespace+0x1cf/0x235 [ 1494.254665] [] kernel_init_freeable+0x4fa/0x518 [ 1494.288557] [] kernel_init+0x16/0x181 [ 1494.322243] [] ret_from_fork+0x1f/0x40 [ 1494.349386] [] ? rest_init+0x8f/0x8f [ 1494.381229] ================================================================================ [ 1494.492286] ================================================================================ [ 1494.583850] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1494.626349] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1494.693320] which requires 64 byte alignment [ 1494.774861] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1494.888027] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1495.015066] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1495.146744] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1495.198847] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1495.272716] Call Trace: [ 1495.299478] [] dump_stack+0xd7/0x132 [ 1495.362570] [] ? arch_local_irq_restore+0x1b/0x1b [ 1495.441565] [] ubsan_epilogue+0x12/0x53 [ 1495.507839] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1495.563565] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1495.624350] [] ext4_fill_super+0x3497/0xa2df [ 1495.661215] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1495.699350] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1495.730741] [] ? vsnprintf+0x1a0/0xa32 [ 1495.760781] [] ? pointer+0x7a9/0x7a9 [ 1495.791037] [] ? set_bdev_super+0x15d/0x15d [ 1495.826737] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1495.884766] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1495.936061] [] ? scnprintf+0xf3/0xf3 [ 1495.978187] [] mount_bdev+0x3cf/0x602 [ 1496.025301] [] ? mount_bdev+0x3cf/0x602 [ 1496.109602] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1496.184623] [] ext4_mount+0x3c/0x3e [ 1496.246390] [] mount_fs+0xd0/0x2ca [ 1496.280086] [] vfs_kern_mount+0xa0/0x20a [ 1496.315021] [] do_mount+0x11fe/0x19df [ 1496.378588] [] ? kasan_kmalloc+0x94/0xa3 [ 1496.429696] [] ? copy_mount_string+0x3d/0x3d [ 1496.505332] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1496.580056] [] ? __check_object_size+0x1e1/0x2b8 [ 1496.647080] [] ? 0xffffffffb1c002b8 [ 1496.698120] [] ? copy_mount_options+0x23d/0x24d [ 1496.754195] [] SyS_mount+0xa3/0xda [ 1496.798612] [] mount_block_root+0x2fc/0x650 [ 1496.837154] [] ? init_rootfs+0x99/0x99 [ 1496.879836] [] ? security_file_ioctl+0xa5/0xb4 [ 1497.080358] [] ? SyS_mknod+0x2f/0x36 [ 1497.156891] [] mount_root+0x45/0x48 [ 1497.197371] [] prepare_namespace+0x1cf/0x235 [ 1497.241455] [] kernel_init_freeable+0x4fa/0x518 [ 1497.299903] [] kernel_init+0x16/0x181 [ 1497.353678] [] ret_from_fork+0x1f/0x40 [ 1497.401676] [] ? rest_init+0x8f/0x8f [ 1497.457408] ================================================================================ [ 1497.542835] ================================================================================ [ 1497.629016] UBSAN: Undefined behaviour in fs/ext4/super.c:3651:34 [ 1497.682389] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1497.771401] which requires 64 byte alignment [ 1497.817134] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1497.876264] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1497.973518] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1498.044430] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1498.135627] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1498.206911] Call Trace: [ 1498.233167] [] dump_stack+0xd7/0x132 [ 1498.282886] [] ? arch_local_irq_restore+0x1b/0x1b [ 1498.353210] [] ubsan_epilogue+0x12/0x53 [ 1498.428424] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1498.515803] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1498.577488] [] ext4_fill_super+0x34b0/0xa2df [ 1498.632269] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1498.681510] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1498.744832] [] ? vsnprintf+0x1a0/0xa32 [ 1498.782266] [] ? pointer+0x7a9/0x7a9 [ 1498.831922] [] ? set_bdev_super+0x15d/0x15d [ 1498.883207] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1498.953395] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1499.018380] [] ? scnprintf+0xf3/0xf3 [ 1499.069486] [] mount_bdev+0x3cf/0x602 [ 1499.120934] [] ? mount_bdev+0x3cf/0x602 [ 1499.178502] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1499.260521] [] ext4_mount+0x3c/0x3e [ 1499.303641] [] mount_fs+0xd0/0x2ca [ 1499.352132] [] vfs_kern_mount+0xa0/0x20a [ 1499.404254] [] do_mount+0x11fe/0x19df [ 1499.450546] [] ? kasan_kmalloc+0x94/0xa3 [ 1499.497210] [] ? copy_mount_string+0x3d/0x3d [ 1499.547163] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1499.599337] [] ? __check_object_size+0x1e1/0x2b8 [ 1499.652336] [] ? 0xffffffffb1c002b8 [ 1499.698874] [] ? copy_mount_options+0x23d/0x24d [ 1499.755852] [] SyS_mount+0xa3/0xda [ 1499.798162] [] mount_block_root+0x2fc/0x650 [ 1499.848286] [] ? init_rootfs+0x99/0x99 [ 1499.896656] [] ? security_file_ioctl+0xa5/0xb4 [ 1499.942063] [] ? SyS_mknod+0x2f/0x36 [ 1499.980385] [] mount_root+0x45/0x48 [ 1500.016348] [] prepare_namespace+0x1cf/0x235 [ 1500.064524] [] kernel_init_freeable+0x4fa/0x518 [ 1500.114651] [] kernel_init+0x16/0x181 [ 1500.157360] [] ret_from_fork+0x1f/0x40 [ 1500.203600] [] ? rest_init+0x8f/0x8f [ 1500.252013] ================================================================================ [ 1500.314853] ================================================================================ [ 1500.378322] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1500.421740] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1500.497127] which requires 64 byte alignment [ 1500.548319] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1500.602333] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1500.685494] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1500.756382] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1500.813723] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1500.874531] Call Trace: [ 1500.891388] [] dump_stack+0xd7/0x132 [ 1500.926988] [] ? arch_local_irq_restore+0x1b/0x1b [ 1500.974092] [] ubsan_epilogue+0x12/0x53 [ 1501.013787] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1501.075740] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1501.132714] [] ext4_fill_super+0x34e3/0xa2df [ 1501.179967] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1501.231065] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1501.286362] [] ? vsnprintf+0x1a0/0xa32 [ 1501.332925] [] ? pointer+0x7a9/0x7a9 [ 1501.374307] [] ? set_bdev_super+0x15d/0x15d [ 1501.419348] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1501.486068] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1501.550184] [] ? scnprintf+0xf3/0xf3 [ 1501.589588] [] mount_bdev+0x3cf/0x602 [ 1501.632231] [] ? mount_bdev+0x3cf/0x602 [ 1501.678330] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1501.721288] [] ext4_mount+0x3c/0x3e [ 1501.757534] [] mount_fs+0xd0/0x2ca [ 1501.794663] [] vfs_kern_mount+0xa0/0x20a [ 1501.837670] [] do_mount+0x11fe/0x19df [ 1501.876941] [] ? kasan_kmalloc+0x94/0xa3 [ 1501.923057] [] ? copy_mount_string+0x3d/0x3d [ 1501.976685] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1502.035482] [] ? __check_object_size+0x1e1/0x2b8 [ 1502.092497] [] ? 0xffffffffb1c002b8 [ 1502.142729] [] ? copy_mount_options+0x23d/0x24d [ 1502.200762] [] SyS_mount+0xa3/0xda [ 1502.256952] [] mount_block_root+0x2fc/0x650 [ 1502.295134] [] ? init_rootfs+0x99/0x99 [ 1502.328638] [] ? security_file_ioctl+0xa5/0xb4 [ 1502.380048] [] ? SyS_mknod+0x2f/0x36 [ 1502.418417] [] mount_root+0x45/0x48 [ 1502.452697] [] prepare_namespace+0x1cf/0x235 [ 1502.492640] [] kernel_init_freeable+0x4fa/0x518 [ 1502.542782] [] kernel_init+0x16/0x181 [ 1502.581009] [] ret_from_fork+0x1f/0x40 [ 1502.630400] [] ? rest_init+0x8f/0x8f [ 1502.663952] ================================================================================ [ 1502.747703] ================================================================================ [ 1502.808464] UBSAN: Undefined behaviour in fs/ext4/super.c:3654:40 [ 1502.852492] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1502.929208] which requires 64 byte alignment [ 1502.966779] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1503.019795] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1503.110676] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1503.184264] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1503.271302] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1503.359218] Call Trace: [ 1503.382713] [] dump_stack+0xd7/0x132 [ 1503.428034] [] ? arch_local_irq_restore+0x1b/0x1b [ 1503.482333] [] ubsan_epilogue+0x12/0x53 [ 1503.528038] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1503.583620] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1503.654188] [] ext4_fill_super+0x34fc/0xa2df [ 1503.703143] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1503.757168] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1503.818566] [] ? vsnprintf+0x1a0/0xa32 [ 1503.869469] [] ? pointer+0x7a9/0x7a9 [ 1503.918646] [] ? set_bdev_super+0x15d/0x15d [ 1503.965723] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1504.028492] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1504.090716] [] ? scnprintf+0xf3/0xf3 [ 1504.132829] [] mount_bdev+0x3cf/0x602 [ 1504.184952] [] ? mount_bdev+0x3cf/0x602 [ 1504.232168] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1504.291561] [] ext4_mount+0x3c/0x3e [ 1504.342658] [] mount_fs+0xd0/0x2ca [ 1504.385493] [] vfs_kern_mount+0xa0/0x20a [ 1504.430991] [] do_mount+0x11fe/0x19df [ 1504.480270] [] ? kasan_kmalloc+0x94/0xa3 [ 1504.527010] [] ? copy_mount_string+0x3d/0x3d [ 1504.570633] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1504.616683] [] ? __check_object_size+0x1e1/0x2b8 [ 1504.666168] [] ? 0xffffffffb1c002b8 [ 1504.700270] [] ? copy_mount_options+0x23d/0x24d [ 1504.745229] [] SyS_mount+0xa3/0xda [ 1504.783851] [] mount_block_root+0x2fc/0x650 [ 1504.827226] [] ? init_rootfs+0x99/0x99 [ 1504.870913] [] ? security_file_ioctl+0xa5/0xb4 [ 1504.921030] [] ? SyS_mknod+0x2f/0x36 [ 1504.963301] [] mount_root+0x45/0x48 [ 1505.000015] [] prepare_namespace+0x1cf/0x235 [ 1505.047242] [] kernel_init_freeable+0x4fa/0x518 [ 1505.089430] [] kernel_init+0x16/0x181 [ 1505.129154] [] ret_from_fork+0x1f/0x40 [ 1505.177188] [] ? rest_init+0x8f/0x8f [ 1505.213673] ================================================================================ [ 1505.425111] ================================================================================ [ 1505.597556] UBSAN: Undefined behaviour in fs/ext4/super.c:3654:26 [ 1505.683202] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1505.753789] which requires 64 byte alignment [ 1505.791182] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1505.829176] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1505.903048] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1505.975039] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1506.036440] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1506.111877] Call Trace: [ 1506.135872] [] dump_stack+0xd7/0x132 [ 1506.187849] [] ? arch_local_irq_restore+0x1b/0x1b [ 1506.248388] [] ubsan_epilogue+0x12/0x53 [ 1506.275199] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1506.308493] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1506.350589] [] ext4_fill_super+0x3553/0xa2df [ 1506.382872] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1506.415448] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1506.451662] [] ? vsnprintf+0x1a0/0xa32 [ 1506.479430] [] ? pointer+0x7a9/0x7a9 [ 1506.519101] [] ? set_bdev_super+0x15d/0x15d [ 1506.573325] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1506.632927] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1506.698838] [] ? scnprintf+0xf3/0xf3 [ 1506.745780] [] mount_bdev+0x3cf/0x602 [ 1506.792806] [] ? mount_bdev+0x3cf/0x602 [ 1506.842804] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1506.898973] [] ext4_mount+0x3c/0x3e [ 1506.937408] [] mount_fs+0xd0/0x2ca [ 1506.973071] [] vfs_kern_mount+0xa0/0x20a [ 1507.015240] [] do_mount+0x11fe/0x19df [ 1507.046966] [] ? kasan_kmalloc+0x94/0xa3 [ 1507.093034] [] ? copy_mount_string+0x3d/0x3d [ 1507.146407] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1507.189224] [] ? __check_object_size+0x1e1/0x2b8 [ 1507.247193] [] ? 0xffffffffb1c002b8 [ 1507.284427] [] ? copy_mount_options+0x23d/0x24d [ 1507.337493] [] SyS_mount+0xa3/0xda [ 1507.379271] [] mount_block_root+0x2fc/0x650 [ 1507.428126] [] ? init_rootfs+0x99/0x99 [ 1507.506191] [] ? security_file_ioctl+0xa5/0xb4 [ 1507.553643] [] ? SyS_mknod+0x2f/0x36 [ 1507.594660] [] mount_root+0x45/0x48 [ 1507.635000] [] prepare_namespace+0x1cf/0x235 [ 1507.696613] [] kernel_init_freeable+0x4fa/0x518 [ 1507.713465] INFO: rcu_sched detected stalls on CPUs/tasks: [ 1507.713485] 2-...: (26 ticks this GP) idle=22d/140000000000000/0 softirq=2582/2582 fqs=101 [ 1507.713506] (detected by 1, t=15232 jiffies, g=-206, c=-207, q=4) [ 1507.713509] Task dump for CPU 2: [ 1507.713523] swapper/0 R running task 0 1 0 0x00000008 [ 1507.713543] 0000000000000028 ffff88005c9df4e0 ffff88005c9df490 000000000000c24f [ 1507.713550] ffff88005c9df4c0 00000000b1a89c60 0000000000000000 00000000b1a89c60 [ 1507.713556] ffffffffb7802f59 ffffffffb3a5a83c ffffffffb7802f59 ffffffffb3a5a83c [ 1507.713557] Call Trace: [ 1507.713574] [] ? kernel_init_freeable+0x4fa/0x518 [ 1507.713678] [] ? kernel_init_freeable+0x4fa/0x518 [ 1507.713687] [] ? kernel_init_freeable+0x4fa/0x518 [ 1507.713703] [] ? kernel_init_freeable+0x4fa/0x518 [ 1507.713711] [] ? print_trace_address+0x46/0x4f [ 1507.713717] [] ? print_context_stack+0x145/0x1c7 [ 1507.713723] [] ? kernel_init_freeable+0x4fa/0x518 [ 1507.713730] [] ? dump_trace+0x656/0x682 [ 1507.713736] [] ? power_down+0x109/0x109 [ 1507.713743] [] ? show_trace_log_lvl+0x52/0x5b [ 1507.713749] [] ? show_stack_log_lvl+0x291/0x2b4 [ 1507.713756] [] ? show_stack+0x51/0x67 [ 1507.713762] [] ? dump_stack+0xd7/0x132 [ 1507.713769] [] ? arch_local_irq_restore+0x1b/0x1b [ 1507.713784] [] ? ubsan_epilogue+0x12/0x53 [ 1507.713791] [] ? __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1507.713806] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1507.713813] [] ? ext4_fill_super+0x3553/0xa2df [ 1507.713834] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1507.713841] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1507.713847] [] ? vsnprintf+0x1a0/0xa32 [ 1507.713862] [] ? pointer+0x7a9/0x7a9 [ 1507.713868] [] ? set_bdev_super+0x15d/0x15d [ 1507.713875] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1507.713882] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1507.713888] [] ? scnprintf+0xf3/0xf3 [ 1507.713894] [] ? mount_bdev+0x3cf/0x602 [ 1507.713899] [] ? mount_bdev+0x3cf/0x602 [ 1507.713905] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1507.713912] [] ? ext4_mount+0x3c/0x3e [ 1507.713918] [] ? mount_fs+0xd0/0x2ca [ 1507.713925] [] ? vfs_kern_mount+0xa0/0x20a [ 1507.713930] [] ? do_mount+0x11fe/0x19df [ 1507.713937] [] ? kasan_kmalloc+0x94/0xa3 [ 1507.713951] [] ? copy_mount_string+0x3d/0x3d [ 1507.713967] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1507.713973] [] ? __check_object_size+0x1e1/0x2b8 [ 1507.713991] [] ? 0xffffffffb1c002b8 [ 1507.713997] [] ? copy_mount_options+0x23d/0x24d [ 1507.714002] [] ? SyS_mount+0xa3/0xda [ 1507.714009] [] ? mount_block_root+0x2fc/0x650 [ 1507.714023] [] ? init_rootfs+0x99/0x99 [ 1507.714030] [] ? security_file_ioctl+0xa5/0xb4 [ 1507.714036] [] ? SyS_mknod+0x2f/0x36 [ 1507.714042] [] ? mount_root+0x45/0x48 [ 1507.714048] [] ? prepare_namespace+0x1cf/0x235 [ 1507.714054] [] ? kernel_init_freeable+0x4fa/0x518 [ 1507.714061] [] ? kernel_init+0x16/0x181 [ 1507.714068] [] ? ret_from_fork+0x1f/0x40 [ 1507.714073] [] ? rest_init+0x8f/0x8f [ 1510.671998] [] kernel_init+0x16/0x181 [ 1510.715698] [] ret_from_fork+0x1f/0x40 [ 1510.764818] [] ? rest_init+0x8f/0x8f [ 1510.818176] ================================================================================ [ 1510.889310] ================================================================================ [ 1510.954449] UBSAN: Undefined behaviour in fs/ext4/super.c:3655:9 [ 1511.001009] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1511.071365] which requires 64 byte alignment [ 1511.101227] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1511.146303] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1511.205680] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1511.265125] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1511.317023] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1511.376445] Call Trace: [ 1511.398781] [] dump_stack+0xd7/0x132 [ 1511.446571] [] ? arch_local_irq_restore+0x1b/0x1b [ 1511.511290] [] ubsan_epilogue+0x12/0x53 [ 1511.555805] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1511.622822] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1511.700158] [] ext4_fill_super+0x357a/0xa2df [ 1511.753764] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1511.796853] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1511.848228] [] ? vsnprintf+0x1a0/0xa32 [ 1511.896120] [] ? pointer+0x7a9/0x7a9 [ 1511.935669] [] ? set_bdev_super+0x15d/0x15d [ 1511.980514] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1512.030394] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1512.084866] [] ? scnprintf+0xf3/0xf3 [ 1512.123222] [] mount_bdev+0x3cf/0x602 [ 1512.168449] [] ? mount_bdev+0x3cf/0x602 [ 1512.209595] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1512.271025] [] ext4_mount+0x3c/0x3e [ 1512.321165] [] mount_fs+0xd0/0x2ca [ 1512.369717] [] vfs_kern_mount+0xa0/0x20a [ 1512.419767] [] do_mount+0x11fe/0x19df [ 1512.477108] [] ? kasan_kmalloc+0x94/0xa3 [ 1512.531822] [] ? copy_mount_string+0x3d/0x3d [ 1512.580374] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1512.643757] [] ? __check_object_size+0x1e1/0x2b8 [ 1512.699859] [] ? 0xffffffffb1c002b8 [ 1512.763302] [] ? copy_mount_options+0x23d/0x24d [ 1512.815180] [] SyS_mount+0xa3/0xda [ 1512.855564] [] mount_block_root+0x2fc/0x650 [ 1512.903049] [] ? init_rootfs+0x99/0x99 [ 1512.952335] [] ? security_file_ioctl+0xa5/0xb4 [ 1513.004393] [] ? SyS_mknod+0x2f/0x36 [ 1513.047063] [] mount_root+0x45/0x48 [ 1513.082925] [] prepare_namespace+0x1cf/0x235 [ 1513.122364] [] kernel_init_freeable+0x4fa/0x518 [ 1513.167802] [] kernel_init+0x16/0x181 [ 1513.207745] [] ret_from_fork+0x1f/0x40 [ 1513.254783] [] ? rest_init+0x8f/0x8f [ 1513.303025] ================================================================================ [ 1513.416995] ================================================================================ [ 1513.503002] UBSAN: Undefined behaviour in fs/ext4/super.c:3658:9 [ 1513.558604] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1513.648865] which requires 64 byte alignment [ 1513.686384] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1513.729698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1513.802845] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1513.858459] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1513.917501] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1513.977625] Call Trace: [ 1513.998347] [] dump_stack+0xd7/0x132 [ 1514.093725] [] ? arch_local_irq_restore+0x1b/0x1b [ 1514.136664] [] ubsan_epilogue+0x12/0x53 [ 1514.174442] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1514.218179] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1514.279681] [] ext4_fill_super+0x35a2/0xa2df [ 1514.326353] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1514.388323] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1514.442294] [] ? vsnprintf+0x1a0/0xa32 [ 1514.497096] [] ? pointer+0x7a9/0x7a9 [ 1514.535214] [] ? set_bdev_super+0x15d/0x15d [ 1514.579322] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1514.624674] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1514.672837] [] ? scnprintf+0xf3/0xf3 [ 1514.714341] [] mount_bdev+0x3cf/0x602 [ 1514.751821] [] ? mount_bdev+0x3cf/0x602 [ 1514.798932] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1514.846431] [] ext4_mount+0x3c/0x3e [ 1514.885516] [] mount_fs+0xd0/0x2ca [ 1514.935640] [] vfs_kern_mount+0xa0/0x20a [ 1514.981438] [] do_mount+0x11fe/0x19df [ 1515.027292] [] ? kasan_kmalloc+0x94/0xa3 [ 1515.079455] [] ? copy_mount_string+0x3d/0x3d [ 1515.131949] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1515.173669] [] ? __check_object_size+0x1e1/0x2b8 [ 1515.204359] [] ? 0xffffffffb1c002b8 [ 1515.249210] [] ? copy_mount_options+0x23d/0x24d [ 1515.299093] [] SyS_mount+0xa3/0xda [ 1515.334952] [] mount_block_root+0x2fc/0x650 [ 1515.373684] [] ? init_rootfs+0x99/0x99 [ 1515.412911] [] ? security_file_ioctl+0xa5/0xb4 [ 1515.453414] [] ? SyS_mknod+0x2f/0x36 [ 1515.490794] [] mount_root+0x45/0x48 [ 1515.529746] [] prepare_namespace+0x1cf/0x235 [ 1515.588391] [] kernel_init_freeable+0x4fa/0x518 [ 1515.638928] [] kernel_init+0x16/0x181 [ 1515.696243] [] ret_from_fork+0x1f/0x40 [ 1515.742922] [] ? rest_init+0x8f/0x8f [ 1515.792128] ================================================================================ [ 1515.867572] ================================================================================ [ 1515.935233] UBSAN: Undefined behaviour in fs/ext4/super.c:3657:28 [ 1515.993004] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1516.071650] which requires 64 byte alignment [ 1516.114837] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1516.150834] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1516.215277] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1516.263989] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1516.316991] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1516.372260] Call Trace: [ 1516.391625] [] dump_stack+0xd7/0x132 [ 1516.536904] [] ? arch_local_irq_restore+0x1b/0x1b [ 1516.591306] [] ubsan_epilogue+0x12/0x53 [ 1516.639814] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1516.706726] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1516.759674] [] ext4_fill_super+0x35bc/0xa2df [ 1516.820343] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1516.872722] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1516.936280] [] ? vsnprintf+0x1a0/0xa32 [ 1516.982641] [] ? pointer+0x7a9/0x7a9 [ 1517.025307] [] ? set_bdev_super+0x15d/0x15d [ 1517.073426] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1517.132805] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1517.174926] [] ? scnprintf+0xf3/0xf3 [ 1517.208389] [] mount_bdev+0x3cf/0x602 [ 1517.240836] [] ? mount_bdev+0x3cf/0x602 [ 1517.274681] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1517.319178] [] ext4_mount+0x3c/0x3e [ 1517.358115] [] mount_fs+0xd0/0x2ca [ 1517.392464] [] vfs_kern_mount+0xa0/0x20a [ 1517.430773] [] do_mount+0x11fe/0x19df [ 1517.476248] [] ? kasan_kmalloc+0x94/0xa3 [ 1517.553307] [] ? copy_mount_string+0x3d/0x3d [ 1517.629281] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1517.684307] [] ? __check_object_size+0x1e1/0x2b8 [ 1517.731372] [] ? 0xffffffffb1c002b8 [ 1517.763670] [] ? copy_mount_options+0x23d/0x24d [ 1517.801107] [] SyS_mount+0xa3/0xda [ 1517.839283] [] mount_block_root+0x2fc/0x650 [ 1517.875324] [] ? init_rootfs+0x99/0x99 [ 1517.917690] [] ? security_file_ioctl+0xa5/0xb4 [ 1517.960378] [] ? SyS_mknod+0x2f/0x36 [ 1518.000853] [] mount_root+0x45/0x48 [ 1518.041633] [] prepare_namespace+0x1cf/0x235 [ 1518.087069] [] kernel_init_freeable+0x4fa/0x518 [ 1518.125502] [] kernel_init+0x16/0x181 [ 1518.172957] [] ret_from_fork+0x1f/0x40 [ 1518.221063] [] ? rest_init+0x8f/0x8f [ 1518.270961] ================================================================================ [ 1518.342526] ================================================================================ [ 1518.423708] UBSAN: Undefined behaviour in fs/ext4/super.c:3657:23 [ 1518.475679] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1518.559717] which requires 64 byte alignment [ 1518.592523] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1518.643775] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1518.717364] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1518.769410] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1518.818383] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1518.874440] Call Trace: [ 1518.890881] [] dump_stack+0xd7/0x132 [ 1518.931891] [] ? arch_local_irq_restore+0x1b/0x1b [ 1518.982390] [] ubsan_epilogue+0x12/0x53 [ 1519.028565] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1519.087368] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1519.143219] [] ext4_fill_super+0x35eb/0xa2df [ 1519.178180] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1519.223148] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1519.273772] [] ? vsnprintf+0x1a0/0xa32 [ 1519.314384] [] ? pointer+0x7a9/0x7a9 [ 1519.358901] [] ? set_bdev_super+0x15d/0x15d [ 1519.416374] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1519.478691] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1519.548829] [] ? scnprintf+0xf3/0xf3 [ 1519.607497] [] mount_bdev+0x3cf/0x602 [ 1519.654555] [] ? mount_bdev+0x3cf/0x602 [ 1519.700217] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1519.758775] [] ext4_mount+0x3c/0x3e [ 1519.808887] [] mount_fs+0xd0/0x2ca [ 1519.855900] [] vfs_kern_mount+0xa0/0x20a [ 1519.906340] [] do_mount+0x11fe/0x19df [ 1519.956396] [] ? kasan_kmalloc+0x94/0xa3 [ 1519.999663] [] ? copy_mount_string+0x3d/0x3d [ 1520.054716] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1520.114803] [] ? __check_object_size+0x1e1/0x2b8 [ 1520.172283] [] ? 0xffffffffb1c002b8 [ 1520.215192] [] ? copy_mount_options+0x23d/0x24d [ 1520.265756] [] SyS_mount+0xa3/0xda [ 1520.304090] [] mount_block_root+0x2fc/0x650 [ 1520.356009] [] ? init_rootfs+0x99/0x99 [ 1520.401532] [] ? security_file_ioctl+0xa5/0xb4 [ 1520.454268] [] ? SyS_mknod+0x2f/0x36 [ 1520.500763] [] mount_root+0x45/0x48 [ 1520.542574] [] prepare_namespace+0x1cf/0x235 [ 1520.591697] [] kernel_init_freeable+0x4fa/0x518 [ 1520.646374] [] kernel_init+0x16/0x181 [ 1520.694404] [] ret_from_fork+0x1f/0x40 [ 1520.742992] [] ? rest_init+0x8f/0x8f [ 1520.792009] ================================================================================ [ 1520.865297] ================================================================================ [ 1520.940891] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1520.989267] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1521.066305] which requires 64 byte alignment [ 1521.099185] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1521.149425] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1521.226555] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1521.294686] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1521.364602] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1521.426465] Call Trace: [ 1521.448896] [] dump_stack+0xd7/0x132 [ 1521.495324] [] ? arch_local_irq_restore+0x1b/0x1b [ 1521.552065] [] ubsan_epilogue+0x12/0x53 [ 1521.597183] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1521.655755] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1521.715089] [] ext4_fill_super+0x3612/0xa2df [ 1521.769046] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1521.927370] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1521.989545] [] ? vsnprintf+0x1a0/0xa32 [ 1522.038893] [] ? pointer+0x7a9/0x7a9 [ 1522.087108] [] ? set_bdev_super+0x15d/0x15d [ 1522.133194] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1522.200664] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1522.258341] [] ? scnprintf+0xf3/0xf3 [ 1522.295913] [] mount_bdev+0x3cf/0x602 [ 1522.335061] [] ? mount_bdev+0x3cf/0x602 [ 1522.374232] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1522.420926] [] ext4_mount+0x3c/0x3e [ 1522.456837] [] mount_fs+0xd0/0x2ca [ 1522.493305] [] vfs_kern_mount+0xa0/0x20a [ 1522.536476] [] do_mount+0x11fe/0x19df [ 1522.574649] [] ? kasan_kmalloc+0x94/0xa3 [ 1522.609986] [] ? copy_mount_string+0x3d/0x3d [ 1522.650996] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1522.716910] [] ? __check_object_size+0x1e1/0x2b8 [ 1522.769006] [] ? 0xffffffffb1c002b8 [ 1522.821099] [] ? copy_mount_options+0x23d/0x24d [ 1522.875791] [] SyS_mount+0xa3/0xda [ 1522.930572] [] mount_block_root+0x2fc/0x650 [ 1522.992824] [] ? init_rootfs+0x99/0x99 [ 1523.039913] [] ? security_file_ioctl+0xa5/0xb4 [ 1523.097185] [] ? SyS_mknod+0x2f/0x36 [ 1523.143502] [] mount_root+0x45/0x48 [ 1523.185498] [] prepare_namespace+0x1cf/0x235 [ 1523.236158] [] kernel_init_freeable+0x4fa/0x518 [ 1523.289674] [] kernel_init+0x16/0x181 [ 1523.339145] [] ret_from_fork+0x1f/0x40 [ 1523.389515] [] ? rest_init+0x8f/0x8f [ 1523.434941] ================================================================================ [ 1523.511520] ================================================================================ [ 1523.579194] UBSAN: Undefined behaviour in fs/ext4/super.c:3659:38 [ 1523.629247] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1523.705132] which requires 64 byte alignment [ 1523.743532] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1523.791681] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1523.870133] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1523.935939] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1524.005235] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1524.072612] Call Trace: [ 1524.094197] [] dump_stack+0xd7/0x132 [ 1524.146590] [] ? arch_local_irq_restore+0x1b/0x1b [ 1524.200596] [] ubsan_epilogue+0x12/0x53 [ 1524.245393] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1524.302425] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1524.364887] [] ext4_fill_super+0x363e/0xa2df [ 1524.414423] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1524.467330] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1524.521221] [] ? vsnprintf+0x1a0/0xa32 [ 1524.565265] [] ? pointer+0x7a9/0x7a9 [ 1524.615954] [] ? set_bdev_super+0x15d/0x15d [ 1524.668146] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1524.725293] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1524.791619] [] ? scnprintf+0xf3/0xf3 [ 1524.834361] [] mount_bdev+0x3cf/0x602 [ 1524.871783] [] ? mount_bdev+0x3cf/0x602 [ 1524.917750] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1524.970442] [] ext4_mount+0x3c/0x3e [ 1525.012273] [] mount_fs+0xd0/0x2ca [ 1525.056893] [] vfs_kern_mount+0xa0/0x20a [ 1525.102806] [] do_mount+0x11fe/0x19df [ 1525.149204] [] ? kasan_kmalloc+0x94/0xa3 [ 1525.200382] [] ? copy_mount_string+0x3d/0x3d [ 1525.252922] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1525.304828] [] ? __check_object_size+0x1e1/0x2b8 [ 1525.352262] [] ? 0xffffffffb1c002b8 [ 1525.398316] [] ? copy_mount_options+0x23d/0x24d [ 1525.455535] [] SyS_mount+0xa3/0xda [ 1525.512969] [] mount_block_root+0x2fc/0x650 [ 1525.561358] [] ? init_rootfs+0x99/0x99 [ 1525.608430] [] ? security_file_ioctl+0xa5/0xb4 [ 1525.660923] [] ? SyS_mknod+0x2f/0x36 [ 1525.698426] [] mount_root+0x45/0x48 [ 1525.739097] [] prepare_namespace+0x1cf/0x235 [ 1525.781527] [] kernel_init_freeable+0x4fa/0x518 [ 1525.840040] [] kernel_init+0x16/0x181 [ 1525.892330] [] ret_from_fork+0x1f/0x40 [ 1525.943016] [] ? rest_init+0x8f/0x8f [ 1525.990536] ================================================================================ [ 1526.063538] ================================================================================ [ 1526.128453] UBSAN: Undefined behaviour in fs/ext4/super.c:3659:24 [ 1526.181385] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1526.239500] which requires 64 byte alignment [ 1526.271409] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1526.320464] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1526.390615] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1526.456781] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1526.520132] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1526.592454] Call Trace: [ 1526.610413] [] dump_stack+0xd7/0x132 [ 1526.661697] [] ? arch_local_irq_restore+0x1b/0x1b [ 1526.731264] [] ubsan_epilogue+0x12/0x53 [ 1526.790901] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1526.843070] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1526.892343] [] ext4_fill_super+0x3696/0xa2df [ 1526.937706] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1526.977413] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1527.031215] [] ? vsnprintf+0x1a0/0xa32 [ 1527.074797] [] ? pointer+0x7a9/0x7a9 [ 1527.120237] [] ? set_bdev_super+0x15d/0x15d [ 1527.171181] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1527.235638] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1527.337271] [] ? scnprintf+0xf3/0xf3 [ 1527.377787] [] mount_bdev+0x3cf/0x602 [ 1527.438639] [] ? mount_bdev+0x3cf/0x602 [ 1527.487956] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1527.539092] [] ext4_mount+0x3c/0x3e [ 1527.584273] [] mount_fs+0xd0/0x2ca [ 1527.630646] [] vfs_kern_mount+0xa0/0x20a [ 1527.682078] [] do_mount+0x11fe/0x19df [ 1527.719093] [] ? kasan_kmalloc+0x94/0xa3 [ 1527.770376] [] ? copy_mount_string+0x3d/0x3d [ 1527.813741] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1527.867048] [] ? __check_object_size+0x1e1/0x2b8 [ 1527.921373] [] ? 0xffffffffb1c002b8 [ 1527.967602] [] ? copy_mount_options+0x23d/0x24d [ 1528.014859] [] SyS_mount+0xa3/0xda [ 1528.047580] [] mount_block_root+0x2fc/0x650 [ 1528.090229] [] ? init_rootfs+0x99/0x99 [ 1528.124304] [] ? security_file_ioctl+0xa5/0xb4 [ 1528.179271] [] ? SyS_mknod+0x2f/0x36 [ 1528.225303] [] mount_root+0x45/0x48 [ 1528.269460] [] prepare_namespace+0x1cf/0x235 [ 1528.308587] [] kernel_init_freeable+0x4fa/0x518 [ 1528.349706] [] kernel_init+0x16/0x181 [ 1528.391703] [] ret_from_fork+0x1f/0x40 [ 1528.439194] [] ? rest_init+0x8f/0x8f [ 1528.488697] ================================================================================ [ 1528.563238] ================================================================================ [ 1528.662829] UBSAN: Undefined behaviour in fs/ext4/super.c:3660:13 [ 1528.721813] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1528.794500] which requires 64 byte alignment [ 1528.818147] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1528.863198] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1528.922464] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1528.986315] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1529.038676] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1529.104262] Call Trace: [ 1529.127821] [] dump_stack+0xd7/0x132 [ 1529.173198] [] ? arch_local_irq_restore+0x1b/0x1b [ 1529.229326] [] ubsan_epilogue+0x12/0x53 [ 1529.276214] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1529.351172] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1529.421644] [] ext4_fill_super+0x36bd/0xa2df [ 1529.480448] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1529.531087] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1529.587214] [] ? vsnprintf+0x1a0/0xa32 [ 1529.628819] [] ? pointer+0x7a9/0x7a9 [ 1529.679353] [] ? set_bdev_super+0x15d/0x15d [ 1529.735450] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1529.794381] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1529.857259] [] ? scnprintf+0xf3/0xf3 [ 1529.904463] [] mount_bdev+0x3cf/0x602 [ 1529.947151] [] ? mount_bdev+0x3cf/0x602 [ 1530.004408] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1530.056047] [] ext4_mount+0x3c/0x3e [ 1530.094636] [] mount_fs+0xd0/0x2ca [ 1530.142636] [] vfs_kern_mount+0xa0/0x20a [ 1530.191534] [] do_mount+0x11fe/0x19df [ 1530.236597] [] ? kasan_kmalloc+0x94/0xa3 [ 1530.281435] [] ? copy_mount_string+0x3d/0x3d [ 1530.330515] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1530.385338] [] ? __check_object_size+0x1e1/0x2b8 [ 1530.442776] [] ? 0xffffffffb1c002b8 [ 1530.488599] [] ? copy_mount_options+0x23d/0x24d [ 1530.537400] [] SyS_mount+0xa3/0xda [ 1530.576809] [] mount_block_root+0x2fc/0x650 [ 1530.624239] [] ? init_rootfs+0x99/0x99 [ 1530.672276] [] ? security_file_ioctl+0xa5/0xb4 [ 1530.717796] [] ? SyS_mknod+0x2f/0x36 [ 1530.763590] [] mount_root+0x45/0x48 [ 1530.799455] [] prepare_namespace+0x1cf/0x235 [ 1530.839091] [] kernel_init_freeable+0x4fa/0x518 [ 1530.886670] [] kernel_init+0x16/0x181 [ 1530.916708] [] ret_from_fork+0x1f/0x40 [ 1530.956078] [] ? rest_init+0x8f/0x8f [ 1530.988371] ================================================================================ [ 1531.043472] ================================================================================ [ 1531.115736] UBSAN: Undefined behaviour in fs/ext4/super.c:3661:21 [ 1531.164297] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1531.222658] which requires 64 byte alignment [ 1531.253026] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1531.296258] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1531.377621] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1531.428834] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1531.472608] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1531.524587] Call Trace: [ 1531.549215] [] dump_stack+0xd7/0x132 [ 1531.587143] [] ? arch_local_irq_restore+0x1b/0x1b [ 1531.620808] [] ubsan_epilogue+0x12/0x53 [ 1531.661750] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1531.729219] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1531.788764] [] ext4_fill_super+0x3713/0xa2df [ 1531.828661] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1531.871981] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1531.925792] [] ? vsnprintf+0x1a0/0xa32 [ 1531.961353] [] ? pointer+0x7a9/0x7a9 [ 1531.991923] [] ? set_bdev_super+0x15d/0x15d [ 1532.031273] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1532.079258] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1532.116893] [] ? scnprintf+0xf3/0xf3 [ 1532.161715] [] mount_bdev+0x3cf/0x602 [ 1532.208978] [] ? mount_bdev+0x3cf/0x602 [ 1532.251568] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1532.314905] [] ext4_mount+0x3c/0x3e [ 1532.362644] [] mount_fs+0xd0/0x2ca [ 1532.405636] [] vfs_kern_mount+0xa0/0x20a [ 1532.462508] [] do_mount+0x11fe/0x19df [ 1532.511294] [] ? kasan_kmalloc+0x94/0xa3 [ 1532.559533] [] ? copy_mount_string+0x3d/0x3d [ 1532.611367] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1532.655035] [] ? __check_object_size+0x1e1/0x2b8 [ 1532.713273] [] ? 0xffffffffb1c002b8 [ 1532.762504] [] ? copy_mount_options+0x23d/0x24d [ 1532.816055] [] SyS_mount+0xa3/0xda [ 1532.859335] [] mount_block_root+0x2fc/0x650 [ 1532.910495] [] ? init_rootfs+0x99/0x99 [ 1532.958436] [] ? security_file_ioctl+0xa5/0xb4 [ 1533.012958] [] ? SyS_mknod+0x2f/0x36 [ 1533.057242] [] mount_root+0x45/0x48 [ 1533.104950] [] prepare_namespace+0x1cf/0x235 [ 1533.148788] [] kernel_init_freeable+0x4fa/0x518 [ 1533.202687] [] kernel_init+0x16/0x181 [ 1533.246798] [] ret_from_fork+0x1f/0x40 [ 1533.295352] [] ? rest_init+0x8f/0x8f [ 1533.337738] ================================================================================ [ 1533.420726] ================================================================================ [ 1533.496820] UBSAN: Undefined behaviour in fs/ext4/super.c:3662:31 [ 1533.551177] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1533.626068] which requires 64 byte alignment [ 1533.660023] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1533.710281] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1533.785493] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1533.841296] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1533.894561] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1533.946501] Call Trace: [ 1533.964591] [] dump_stack+0xd7/0x132 [ 1534.006668] [] ? arch_local_irq_restore+0x1b/0x1b [ 1534.042807] [] ubsan_epilogue+0x12/0x53 [ 1534.079084] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1534.123298] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1534.182813] [] ext4_fill_super+0x3741/0xa2df [ 1534.228562] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1534.279425] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1534.348267] [] ? vsnprintf+0x1a0/0xa32 [ 1534.396748] [] ? pointer+0x7a9/0x7a9 [ 1534.454753] [] ? set_bdev_super+0x15d/0x15d [ 1534.508839] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1534.572758] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1534.636795] [] ? scnprintf+0xf3/0xf3 [ 1534.681725] [] mount_bdev+0x3cf/0x602 [ 1534.723989] [] ? mount_bdev+0x3cf/0x602 [ 1534.774765] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1534.827478] [] ext4_mount+0x3c/0x3e [ 1534.866799] [] mount_fs+0xd0/0x2ca [ 1534.911125] [] vfs_kern_mount+0xa0/0x20a [ 1534.957600] [] do_mount+0x11fe/0x19df [ 1535.004005] [] ? kasan_kmalloc+0x94/0xa3 [ 1535.042163] [] ? copy_mount_string+0x3d/0x3d [ 1535.082780] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1535.126935] [] ? __check_object_size+0x1e1/0x2b8 [ 1535.161758] [] ? 0xffffffffb1c002b8 [ 1535.193687] [] ? copy_mount_options+0x23d/0x24d [ 1535.231751] [] SyS_mount+0xa3/0xda [ 1535.269426] [] mount_block_root+0x2fc/0x650 [ 1535.310070] [] ? init_rootfs+0x99/0x99 [ 1535.346308] [] ? security_file_ioctl+0xa5/0xb4 [ 1535.385095] [] ? SyS_mknod+0x2f/0x36 [ 1535.419688] [] mount_root+0x45/0x48 [ 1535.461227] [] prepare_namespace+0x1cf/0x235 [ 1535.522427] [] kernel_init_freeable+0x4fa/0x518 [ 1535.575838] [] kernel_init+0x16/0x181 [ 1535.615762] [] ret_from_fork+0x1f/0x40 [ 1535.660443] [] ? rest_init+0x8f/0x8f [ 1535.702331] ================================================================================ [ 1535.762436] ================================================================================ [ 1535.815827] UBSAN: Undefined behaviour in fs/ext4/super.c:3662:29 [ 1535.861260] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1535.930194] which requires 64 byte alignment [ 1535.964578] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1536.018557] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1536.100651] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1536.169425] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1536.240236] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1536.310623] Call Trace: [ 1536.332948] [] dump_stack+0xd7/0x132 [ 1536.386796] [] ? arch_local_irq_restore+0x1b/0x1b [ 1536.446956] [] ubsan_epilogue+0x12/0x53 [ 1536.498601] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1536.548189] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1536.604682] [] ext4_fill_super+0x37ab/0xa2df [ 1536.641030] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1536.680158] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1536.724415] [] ? vsnprintf+0x1a0/0xa32 [ 1536.758209] [] ? pointer+0x7a9/0x7a9 [ 1536.793640] [] ? set_bdev_super+0x15d/0x15d [ 1536.831024] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1536.886919] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1536.951764] [] ? scnprintf+0xf3/0xf3 [ 1536.993438] [] mount_bdev+0x3cf/0x602 [ 1537.032184] [] ? mount_bdev+0x3cf/0x602 [ 1537.073030] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1537.123879] [] ext4_mount+0x3c/0x3e [ 1537.158921] [] mount_fs+0xd0/0x2ca [ 1537.197298] [] vfs_kern_mount+0xa0/0x20a [ 1537.237520] [] do_mount+0x11fe/0x19df [ 1537.277552] [] ? kasan_kmalloc+0x94/0xa3 [ 1537.318901] [] ? copy_mount_string+0x3d/0x3d [ 1537.362575] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1537.408261] [] ? __check_object_size+0x1e1/0x2b8 [ 1537.464439] [] ? 0xffffffffb1c002b8 [ 1537.512859] [] ? copy_mount_options+0x23d/0x24d [ 1537.554164] [] SyS_mount+0xa3/0xda [ 1537.587789] [] mount_block_root+0x2fc/0x650 [ 1537.630884] [] ? init_rootfs+0x99/0x99 [ 1537.664739] [] ? security_file_ioctl+0xa5/0xb4 [ 1537.711036] [] ? SyS_mknod+0x2f/0x36 [ 1537.748778] [] mount_root+0x45/0x48 [ 1537.792131] [] prepare_namespace+0x1cf/0x235 [ 1537.839426] [] kernel_init_freeable+0x4fa/0x518 [ 1537.890229] [] kernel_init+0x16/0x181 [ 1537.936468] [] ret_from_fork+0x1f/0x40 [ 1537.991611] [] ? rest_init+0x8f/0x8f [ 1538.023627] ================================================================================ [ 1538.087779] ================================================================================ [ 1538.150835] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1538.208770] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1538.289338] which requires 64 byte alignment [ 1538.316282] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1538.366340] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1538.443039] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1538.514622] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1538.583185] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1538.659298] Call Trace: [ 1538.682599] [] dump_stack+0xd7/0x132 [ 1538.732653] [] ? arch_local_irq_restore+0x1b/0x1b [ 1538.782525] [] ubsan_epilogue+0x12/0x53 [ 1538.818602] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1538.879713] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1538.931562] [] ext4_fill_super+0x37d8/0xa2df [ 1538.968504] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1539.011195] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1539.061515] [] ? vsnprintf+0x1a0/0xa32 [ 1539.112478] [] ? pointer+0x7a9/0x7a9 [ 1539.156496] [] ? set_bdev_super+0x15d/0x15d [ 1539.201717] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1539.270036] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1539.336734] [] ? scnprintf+0xf3/0xf3 [ 1539.376363] [] mount_bdev+0x3cf/0x602 [ 1539.431014] [] ? mount_bdev+0x3cf/0x602 [ 1539.488478] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1539.560230] [] ext4_mount+0x3c/0x3e [ 1539.608394] [] mount_fs+0xd0/0x2ca [ 1539.647196] [] vfs_kern_mount+0xa0/0x20a [ 1539.689112] [] do_mount+0x11fe/0x19df [ 1539.729191] [] ? kasan_kmalloc+0x94/0xa3 [ 1539.778708] [] ? copy_mount_string+0x3d/0x3d [ 1539.819913] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1539.866651] [] ? __check_object_size+0x1e1/0x2b8 [ 1539.910445] [] ? 0xffffffffb1c002b8 [ 1539.944979] [] ? copy_mount_options+0x23d/0x24d [ 1539.992874] [] SyS_mount+0xa3/0xda [ 1540.032956] [] mount_block_root+0x2fc/0x650 [ 1540.081503] [] ? init_rootfs+0x99/0x99 [ 1540.131017] [] ? security_file_ioctl+0xa5/0xb4 [ 1540.183444] [] ? SyS_mknod+0x2f/0x36 [ 1540.227690] [] mount_root+0x45/0x48 [ 1540.275333] [] prepare_namespace+0x1cf/0x235 [ 1540.314615] [] kernel_init_freeable+0x4fa/0x518 [ 1540.360675] [] kernel_init+0x16/0x181 [ 1540.392736] [] ret_from_fork+0x1f/0x40 [ 1540.434924] [] ? rest_init+0x8f/0x8f [ 1540.469658] ================================================================================ [ 1540.535743] ================================================================================ [ 1540.608620] UBSAN: Undefined behaviour in fs/ext4/super.c:3663:31 [ 1540.683749] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1540.799765] which requires 64 byte alignment [ 1540.838788] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1540.908856] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1541.033434] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1541.128758] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1541.220768] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1541.289528] Call Trace: [ 1541.433407] [] dump_stack+0xd7/0x132 [ 1541.546196] [] ? arch_local_irq_restore+0x1b/0x1b [ 1541.612300] [] ubsan_epilogue+0x12/0x53 [ 1541.665068] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1541.756491] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1541.883117] [] ext4_fill_super+0x3804/0xa2df [ 1541.934364] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1541.980322] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1542.030471] [] ? vsnprintf+0x1a0/0xa32 [ 1542.070018] [] ? pointer+0x7a9/0x7a9 [ 1542.116622] [] ? set_bdev_super+0x15d/0x15d [ 1542.172616] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1542.399430] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1542.530894] [] ? scnprintf+0xf3/0xf3 [ 1542.566552] [] mount_bdev+0x3cf/0x602 [ 1542.604764] [] ? mount_bdev+0x3cf/0x602 [ 1542.646740] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1542.695230] [] ext4_mount+0x3c/0x3e [ 1542.741177] [] mount_fs+0xd0/0x2ca [ 1542.783332] [] vfs_kern_mount+0xa0/0x20a [ 1542.840253] [] do_mount+0x11fe/0x19df [ 1542.890991] [] ? kasan_kmalloc+0x94/0xa3 [ 1542.941765] [] ? copy_mount_string+0x3d/0x3d [ 1542.992701] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1543.055015] [] ? __check_object_size+0x1e1/0x2b8 [ 1543.118860] [] ? 0xffffffffb1c002b8 [ 1543.221173] [] ? copy_mount_options+0x23d/0x24d [ 1543.350624] [] SyS_mount+0xa3/0xda [ 1543.386520] [] mount_block_root+0x2fc/0x650 [ 1543.430278] [] ? init_rootfs+0x99/0x99 [ 1543.468259] [] ? security_file_ioctl+0xa5/0xb4 [ 1543.514381] [] ? SyS_mknod+0x2f/0x36 [ 1543.555991] [] mount_root+0x45/0x48 [ 1543.609692] [] prepare_namespace+0x1cf/0x235 [ 1543.675608] [] kernel_init_freeable+0x4fa/0x518 [ 1543.742833] [] kernel_init+0x16/0x181 [ 1543.793779] [] ret_from_fork+0x1f/0x40 [ 1543.840562] [] ? rest_init+0x8f/0x8f [ 1543.887081] ================================================================================ [ 1543.959430] ================================================================================ [ 1544.027138] UBSAN: Undefined behaviour in fs/ext4/super.c:3663:29 [ 1544.083214] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1544.155479] which requires 64 byte alignment [ 1544.186889] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1544.240370] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1544.331636] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1544.401685] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1544.460363] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1544.518662] Call Trace: [ 1544.540905] [] dump_stack+0xd7/0x132 [ 1544.578677] [] ? arch_local_irq_restore+0x1b/0x1b [ 1544.664422] [] ubsan_epilogue+0x12/0x53 [ 1544.844931] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1544.939712] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1545.004332] [] ext4_fill_super+0x3867/0xa2df [ 1545.054896] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1545.096860] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1545.146313] [] ? vsnprintf+0x1a0/0xa32 [ 1545.180302] [] ? pointer+0x7a9/0x7a9 [ 1545.215566] [] ? set_bdev_super+0x15d/0x15d [ 1545.260535] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1545.316331] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1545.378529] [] ? scnprintf+0xf3/0xf3 [ 1545.418123] [] mount_bdev+0x3cf/0x602 [ 1545.506688] [] ? mount_bdev+0x3cf/0x602 [ 1545.667854] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1545.737013] [] ext4_mount+0x3c/0x3e [ 1545.789173] [] mount_fs+0xd0/0x2ca [ 1545.833161] [] vfs_kern_mount+0xa0/0x20a [ 1545.874743] [] do_mount+0x11fe/0x19df [ 1545.912285] [] ? kasan_kmalloc+0x94/0xa3 [ 1545.963267] [] ? copy_mount_string+0x3d/0x3d [ 1545.996307] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1546.050317] [] ? __check_object_size+0x1e1/0x2b8 [ 1546.090454] [] ? 0xffffffffb1c002b8 [ 1546.128165] [] ? copy_mount_options+0x23d/0x24d [ 1546.170022] [] SyS_mount+0xa3/0xda [ 1546.199673] [] mount_block_root+0x2fc/0x650 [ 1546.244900] [] ? init_rootfs+0x99/0x99 [ 1546.283591] [] ? security_file_ioctl+0xa5/0xb4 [ 1546.348616] [] ? SyS_mknod+0x2f/0x36 [ 1546.401495] [] mount_root+0x45/0x48 [ 1546.456781] [] prepare_namespace+0x1cf/0x235 [ 1546.512307] [] kernel_init_freeable+0x4fa/0x518 [ 1546.583105] [] kernel_init+0x16/0x181 [ 1546.637302] [] ret_from_fork+0x1f/0x40 [ 1546.683981] [] ? rest_init+0x8f/0x8f [ 1546.736822] ================================================================================ [ 1546.819429] ================================================================================ [ 1546.885558] UBSAN: Undefined behaviour in fs/ext4/super.c:3666:23 [ 1546.922353] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1546.982575] which requires 64 byte alignment [ 1547.011896] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1547.059763] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1547.124835] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1547.171818] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1547.224882] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1547.282348] Call Trace: [ 1547.303694] [] dump_stack+0xd7/0x132 [ 1547.347169] [] ? arch_local_irq_restore+0x1b/0x1b [ 1547.399812] [] ubsan_epilogue+0x12/0x53 [ 1547.453719] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1547.503184] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1547.557185] [] ext4_fill_super+0x38c1/0xa2df [ 1547.595461] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1547.644498] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1547.691114] [] ? vsnprintf+0x1a0/0xa32 [ 1547.728950] [] ? pointer+0x7a9/0x7a9 [ 1547.770297] [] ? set_bdev_super+0x15d/0x15d [ 1547.817321] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1547.878850] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1547.926576] [] ? scnprintf+0xf3/0xf3 [ 1547.967205] [] mount_bdev+0x3cf/0x602 [ 1548.004264] [] ? mount_bdev+0x3cf/0x602 [ 1548.046885] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1548.088302] [] ext4_mount+0x3c/0x3e [ 1548.127146] [] mount_fs+0xd0/0x2ca [ 1548.160656] [] vfs_kern_mount+0xa0/0x20a [ 1548.208988] [] do_mount+0x11fe/0x19df [ 1548.251583] [] ? kasan_kmalloc+0x94/0xa3 [ 1548.302378] [] ? copy_mount_string+0x3d/0x3d [ 1548.355401] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1548.407237] [] ? __check_object_size+0x1e1/0x2b8 [ 1548.458668] [] ? 0xffffffffb1c002b8 [ 1548.502556] [] ? copy_mount_options+0x23d/0x24d [ 1548.547047] [] SyS_mount+0xa3/0xda [ 1548.581714] [] mount_block_root+0x2fc/0x650 [ 1548.636149] [] ? init_rootfs+0x99/0x99 [ 1548.684494] [] ? security_file_ioctl+0xa5/0xb4 [ 1548.742388] [] ? SyS_mknod+0x2f/0x36 [ 1548.789652] [] mount_root+0x45/0x48 [ 1548.835363] [] prepare_namespace+0x1cf/0x235 [ 1548.887866] [] kernel_init_freeable+0x4fa/0x518 [ 1548.938604] [] kernel_init+0x16/0x181 [ 1548.984086] [] ret_from_fork+0x1f/0x40 [ 1549.024603] [] ? rest_init+0x8f/0x8f [ 1549.065787] ================================================================================ [ 1549.121227] ================================================================================ [ 1549.185614] UBSAN: Undefined behaviour in fs/ext4/super.c:3667:26 [ 1549.239699] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1549.310432] which requires 64 byte alignment [ 1549.348793] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1549.404763] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1549.522292] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1549.636381] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1549.706544] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1549.770743] Call Trace: [ 1549.789582] [] dump_stack+0xd7/0x132 [ 1549.839687] [] ? arch_local_irq_restore+0x1b/0x1b [ 1549.904635] [] ubsan_epilogue+0x12/0x53 [ 1549.967579] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1550.074447] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1550.218536] [] ext4_fill_super+0x398e/0xa2df [ 1550.335141] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1550.441208] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1550.557803] [] ? vsnprintf+0x1a0/0xa32 [ 1550.669793] [] ? pointer+0x7a9/0x7a9 [ 1550.760519] [] ? set_bdev_super+0x15d/0x15d [ 1550.858237] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1550.988057] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1551.119031] [] ? scnprintf+0xf3/0xf3 [ 1551.204718] [] mount_bdev+0x3cf/0x602 [ 1551.299533] [] ? mount_bdev+0x3cf/0x602 [ 1551.387817] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1551.508876] [] ext4_mount+0x3c/0x3e [ 1551.576272] [] mount_fs+0xd0/0x2ca [ 1551.609727] [] vfs_kern_mount+0xa0/0x20a [ 1551.684988] [] do_mount+0x11fe/0x19df [ 1551.737708] [] ? kasan_kmalloc+0x94/0xa3 [ 1551.843268] [] ? copy_mount_string+0x3d/0x3d [ 1551.943182] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1552.015351] [] ? __check_object_size+0x1e1/0x2b8 [ 1552.074430] [] ? 0xffffffffb1c002b8 [ 1552.132793] [] ? copy_mount_options+0x23d/0x24d [ 1552.206091] [] SyS_mount+0xa3/0xda [ 1552.307766] [] mount_block_root+0x2fc/0x650 [ 1552.390767] [] ? init_rootfs+0x99/0x99 [ 1552.475002] [] ? security_file_ioctl+0xa5/0xb4 [ 1552.557225] [] ? SyS_mknod+0x2f/0x36 [ 1552.601045] [] mount_root+0x45/0x48 [ 1552.634626] [] prepare_namespace+0x1cf/0x235 [ 1552.690733] [] kernel_init_freeable+0x4fa/0x518 [ 1552.753247] [] kernel_init+0x16/0x181 [ 1552.796918] [] ret_from_fork+0x1f/0x40 [ 1552.850646] [] ? rest_init+0x8f/0x8f [ 1552.893252] ================================================================================ [ 1552.953414] ================================================================================ [ 1553.017772] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1553.065326] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1553.127582] which requires 64 byte alignment [ 1553.157146] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1553.198633] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1553.274552] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1553.328731] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1553.401351] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1553.467743] Call Trace: [ 1553.484770] [] dump_stack+0xd7/0x132 [ 1553.526044] [] ? arch_local_irq_restore+0x1b/0x1b [ 1553.590982] [] ubsan_epilogue+0x12/0x53 [ 1553.640883] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1553.716361] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1553.780276] [] ext4_fill_super+0x39bb/0xa2df [ 1553.836206] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1553.899757] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1553.965052] [] ? vsnprintf+0x1a0/0xa32 [ 1554.017654] [] ? pointer+0x7a9/0x7a9 [ 1554.066080] [] ? set_bdev_super+0x15d/0x15d [ 1554.115162] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1554.174264] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1554.234068] [] ? scnprintf+0xf3/0xf3 [ 1554.290183] [] mount_bdev+0x3cf/0x602 [ 1554.349261] [] ? mount_bdev+0x3cf/0x602 [ 1554.405750] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1554.458000] [] ext4_mount+0x3c/0x3e [ 1554.505133] [] mount_fs+0xd0/0x2ca [ 1554.552057] [] vfs_kern_mount+0xa0/0x20a [ 1554.591822] [] do_mount+0x11fe/0x19df [ 1554.632663] [] ? kasan_kmalloc+0x94/0xa3 [ 1554.675340] [] ? copy_mount_string+0x3d/0x3d [ 1554.716231] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1554.764535] [] ? __check_object_size+0x1e1/0x2b8 [ 1554.822287] [] ? 0xffffffffb1c002b8 [ 1554.867740] [] ? copy_mount_options+0x23d/0x24d [ 1554.922781] [] SyS_mount+0xa3/0xda [ 1554.967948] [] mount_block_root+0x2fc/0x650 [ 1555.016541] [] ? init_rootfs+0x99/0x99 [ 1555.072457] [] ? security_file_ioctl+0xa5/0xb4 [ 1555.136007] [] ? SyS_mknod+0x2f/0x36 [ 1555.172751] [] mount_root+0x45/0x48 [ 1555.208859] [] prepare_namespace+0x1cf/0x235 [ 1555.252175] [] kernel_init_freeable+0x4fa/0x518 [ 1555.294320] [] kernel_init+0x16/0x181 [ 1555.336728] [] ret_from_fork+0x1f/0x40 [ 1555.372394] [] ? rest_init+0x8f/0x8f [ 1555.404015] ================================================================================ [ 1555.468662] ================================================================================ [ 1555.536677] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1759:1 [ 1555.583249] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1555.655218] which requires 64 byte alignment [ 1555.738719] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1555.825472] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1555.919849] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1555.995991] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1556.060095] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1556.127462] Call Trace: [ 1556.155212] [] dump_stack+0xd7/0x132 [ 1556.208584] [] ? arch_local_irq_restore+0x1b/0x1b [ 1556.274793] [] ubsan_epilogue+0x12/0x53 [ 1556.315466] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1556.368004] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1556.421394] [] ext4_fill_super+0x39db/0xa2df [ 1556.471196] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1556.521763] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1556.600387] [] ? vsnprintf+0x1a0/0xa32 [ 1556.655222] [] ? pointer+0x7a9/0x7a9 [ 1556.702480] [] ? set_bdev_super+0x15d/0x15d [ 1556.755612] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1556.857243] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1556.988335] [] ? scnprintf+0xf3/0xf3 [ 1557.190936] [] mount_bdev+0x3cf/0x602 [ 1557.308316] [] ? mount_bdev+0x3cf/0x602 [ 1557.363987] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1557.414585] [] ext4_mount+0x3c/0x3e [ 1557.459340] [] mount_fs+0xd0/0x2ca [ 1557.505558] [] vfs_kern_mount+0xa0/0x20a [ 1557.567219] [] do_mount+0x11fe/0x19df [ 1557.681352] [] ? kasan_kmalloc+0x94/0xa3 [ 1557.746146] [] ? copy_mount_string+0x3d/0x3d [ 1557.813588] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1557.861348] [] ? __check_object_size+0x1e1/0x2b8 [ 1557.917179] [] ? 0xffffffffb1c002b8 [ 1557.959004] [] ? copy_mount_options+0x23d/0x24d [ 1558.024509] [] SyS_mount+0xa3/0xda [ 1558.074265] [] mount_block_root+0x2fc/0x650 [ 1558.206544] [] ? init_rootfs+0x99/0x99 [ 1558.361689] [] ? security_file_ioctl+0xa5/0xb4 [ 1558.502552] [] ? SyS_mknod+0x2f/0x36 [ 1558.563131] [] mount_root+0x45/0x48 [ 1558.650802] [] prepare_namespace+0x1cf/0x235 [ 1558.702875] [] kernel_init_freeable+0x4fa/0x518 [ 1558.752194] [] kernel_init+0x16/0x181 [ 1558.793068] [] ret_from_fork+0x1f/0x40 [ 1558.837052] [] ? rest_init+0x8f/0x8f [ 1558.878554] ================================================================================ [ 1558.982709] ================================================================================ [ 1559.064490] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1559.133582] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1559.278470] which requires 64 byte alignment [ 1559.329362] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1559.383866] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1559.473712] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1559.538183] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1559.577616] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1559.618677] Call Trace: [ 1559.633081] [] dump_stack+0xd7/0x132 [ 1559.656806] [] ? arch_local_irq_restore+0x1b/0x1b [ 1559.694664] [] ubsan_epilogue+0x12/0x53 [ 1559.751838] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1559.806228] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1559.865276] [] ext4_fill_super+0x3b7c/0xa2df [ 1559.924112] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1559.973329] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1560.027302] [] ? vsnprintf+0x1a0/0xa32 [ 1560.064945] [] ? pointer+0x7a9/0x7a9 [ 1560.108832] [] ? set_bdev_super+0x15d/0x15d [ 1560.164908] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1560.238222] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1560.296910] [] ? scnprintf+0xf3/0xf3 [ 1560.340146] [] mount_bdev+0x3cf/0x602 [ 1560.392810] [] ? mount_bdev+0x3cf/0x602 [ 1560.454698] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1560.520351] [] ext4_mount+0x3c/0x3e [ 1560.559691] [] mount_fs+0xd0/0x2ca [ 1560.600855] [] vfs_kern_mount+0xa0/0x20a [ 1560.651871] [] do_mount+0x11fe/0x19df [ 1560.708361] [] ? kasan_kmalloc+0x94/0xa3 [ 1560.761657] [] ? copy_mount_string+0x3d/0x3d [ 1560.919940] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1560.978648] [] ? __check_object_size+0x1e1/0x2b8 [ 1561.028681] [] ? 0xffffffffb1c002b8 [ 1561.069270] [] ? copy_mount_options+0x23d/0x24d [ 1561.111155] [] SyS_mount+0xa3/0xda [ 1561.151978] [] mount_block_root+0x2fc/0x650 [ 1561.198483] [] ? init_rootfs+0x99/0x99 [ 1561.247132] [] ? security_file_ioctl+0xa5/0xb4 [ 1561.309144] [] ? SyS_mknod+0x2f/0x36 [ 1561.371409] [] mount_root+0x45/0x48 [ 1561.426613] [] prepare_namespace+0x1cf/0x235 [ 1561.479716] [] kernel_init_freeable+0x4fa/0x518 [ 1561.560951] [] kernel_init+0x16/0x181 [ 1561.625597] [] ret_from_fork+0x1f/0x40 [ 1561.707540] [] ? rest_init+0x8f/0x8f [ 1561.774879] ================================================================================ [ 1561.879266] ================================================================================ [ 1561.978389] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1770:1 [ 1562.045147] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1562.123010] which requires 64 byte alignment [ 1562.170397] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1562.240519] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1562.358526] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1562.436042] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1562.522241] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1562.577674] Call Trace: [ 1562.600366] [] dump_stack+0xd7/0x132 [ 1562.643214] [] ? arch_local_irq_restore+0x1b/0x1b [ 1562.690048] [] ubsan_epilogue+0x12/0x53 [ 1562.736540] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1562.801699] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1562.876309] [] ext4_fill_super+0x3ba9/0xa2df [ 1562.925669] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1562.977486] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1563.035237] [] ? vsnprintf+0x1a0/0xa32 [ 1563.095085] [] ? pointer+0x7a9/0x7a9 [ 1563.148728] [] ? set_bdev_super+0x15d/0x15d [ 1563.261241] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1563.419895] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1563.510253] [] ? scnprintf+0xf3/0xf3 [ 1563.547271] [] mount_bdev+0x3cf/0x602 [ 1563.579010] [] ? mount_bdev+0x3cf/0x602 [ 1563.620377] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1563.670318] [] ext4_mount+0x3c/0x3e [ 1563.717032] [] mount_fs+0xd0/0x2ca [ 1563.762105] [] vfs_kern_mount+0xa0/0x20a [ 1563.812949] [] do_mount+0x11fe/0x19df [ 1563.857386] [] ? kasan_kmalloc+0x94/0xa3 [ 1563.907604] [] ? copy_mount_string+0x3d/0x3d [ 1563.955662] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1564.031191] [] ? __check_object_size+0x1e1/0x2b8 [ 1564.090501] [] ? 0xffffffffb1c002b8 [ 1564.133320] [] ? copy_mount_options+0x23d/0x24d [ 1564.200399] [] SyS_mount+0xa3/0xda [ 1564.247585] [] mount_block_root+0x2fc/0x650 [ 1564.302183] [] ? init_rootfs+0x99/0x99 [ 1564.356858] [] ? security_file_ioctl+0xa5/0xb4 [ 1564.414065] [] ? SyS_mknod+0x2f/0x36 [ 1564.468990] [] mount_root+0x45/0x48 [ 1564.519069] [] prepare_namespace+0x1cf/0x235 [ 1564.563721] [] kernel_init_freeable+0x4fa/0x518 [ 1564.612646] [] kernel_init+0x16/0x181 [ 1564.657142] [] ret_from_fork+0x1f/0x40 [ 1564.696241] [] ? rest_init+0x8f/0x8f [ 1564.736972] ================================================================================ [ 1564.799031] ================================================================================ [ 1564.878949] UBSAN: Undefined behaviour in fs/ext4/super.c:3728:10 [ 1564.927729] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1565.000405] which requires 64 byte alignment [ 1565.033220] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1565.074311] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1565.141127] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1565.204093] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1565.256843] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1565.330441] Call Trace: [ 1565.348663] [] dump_stack+0xd7/0x132 [ 1565.392869] [] ? arch_local_irq_restore+0x1b/0x1b [ 1565.439384] [] ubsan_epilogue+0x12/0x53 [ 1565.490940] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1565.545463] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1565.599466] [] ext4_fill_super+0x3eb4/0xa2df [ 1565.643089] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1565.691752] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1565.740267] [] ? vsnprintf+0x1a0/0xa32 [ 1565.780853] [] ? pointer+0x7a9/0x7a9 [ 1565.819057] [] ? set_bdev_super+0x15d/0x15d [ 1565.864145] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1565.924359] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1565.977231] [] ? scnprintf+0xf3/0xf3 [ 1566.020022] [] mount_bdev+0x3cf/0x602 [ 1566.059601] [] ? mount_bdev+0x3cf/0x602 [ 1566.102750] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1566.150071] [] ext4_mount+0x3c/0x3e [ 1566.182289] [] mount_fs+0xd0/0x2ca [ 1566.220870] [] vfs_kern_mount+0xa0/0x20a [ 1566.259380] [] do_mount+0x11fe/0x19df [ 1566.296832] [] ? kasan_kmalloc+0x94/0xa3 [ 1566.336279] [] ? copy_mount_string+0x3d/0x3d [ 1566.378720] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1566.457219] [] ? __check_object_size+0x1e1/0x2b8 [ 1566.524477] [] ? 0xffffffffb1c002b8 [ 1566.572085] [] ? copy_mount_options+0x23d/0x24d [ 1566.632248] [] SyS_mount+0xa3/0xda [ 1566.692577] [] mount_block_root+0x2fc/0x650 [ 1566.752660] [] ? init_rootfs+0x99/0x99 [ 1566.816389] [] ? security_file_ioctl+0xa5/0xb4 [ 1566.890974] [] ? SyS_mknod+0x2f/0x36 [ 1566.945497] [] mount_root+0x45/0x48 [ 1567.004336] [] prepare_namespace+0x1cf/0x235 [ 1567.048390] [] kernel_init_freeable+0x4fa/0x518 [ 1567.104812] [] kernel_init+0x16/0x181 [ 1567.143549] [] ret_from_fork+0x1f/0x40 [ 1567.179286] [] ? rest_init+0x8f/0x8f [ 1567.217625] ================================================================================ [ 1567.279726] ================================================================================ [ 1567.352786] UBSAN: Undefined behaviour in fs/ext4/super.c:3734:34 [ 1567.405037] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1567.491850] which requires 64 byte alignment [ 1567.522787] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1567.560837] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1567.603300] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1567.631501] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1567.693159] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1567.761165] Call Trace: [ 1567.795030] [] dump_stack+0xd7/0x132 [ 1567.833675] [] ? arch_local_irq_restore+0x1b/0x1b [ 1567.908404] [] ubsan_epilogue+0x12/0x53 [ 1567.969691] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1568.047224] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1568.123622] [] ext4_fill_super+0x3f1e/0xa2df [ 1568.177714] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1568.230188] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1568.291796] [] ? vsnprintf+0x1a0/0xa32 [ 1568.342196] [] ? pointer+0x7a9/0x7a9 [ 1568.391118] [] ? set_bdev_super+0x15d/0x15d [ 1568.440858] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1568.518172] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1568.578697] [] ? scnprintf+0xf3/0xf3 [ 1568.624432] [] mount_bdev+0x3cf/0x602 [ 1568.671056] [] ? mount_bdev+0x3cf/0x602 [ 1568.724452] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1568.776634] [] ext4_mount+0x3c/0x3e [ 1568.826657] [] mount_fs+0xd0/0x2ca [ 1568.875251] [] vfs_kern_mount+0xa0/0x20a [ 1568.931192] [] do_mount+0x11fe/0x19df [ 1568.983603] [] ? kasan_kmalloc+0x94/0xa3 [ 1569.042136] [] ? copy_mount_string+0x3d/0x3d [ 1569.097687] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1569.153397] [] ? __check_object_size+0x1e1/0x2b8 [ 1569.200300] [] ? 0xffffffffb1c002b8 [ 1569.245656] [] ? copy_mount_options+0x23d/0x24d [ 1569.291554] [] SyS_mount+0xa3/0xda [ 1569.334405] [] mount_block_root+0x2fc/0x650 [ 1569.375605] [] ? init_rootfs+0x99/0x99 [ 1569.425762] [] ? security_file_ioctl+0xa5/0xb4 [ 1569.478045] [] ? SyS_mknod+0x2f/0x36 [ 1569.517541] [] mount_root+0x45/0x48 [ 1569.567621] [] prepare_namespace+0x1cf/0x235 [ 1569.618319] [] kernel_init_freeable+0x4fa/0x518 [ 1569.681074] [] kernel_init+0x16/0x181 [ 1569.736350] [] ret_from_fork+0x1f/0x40 [ 1569.787301] [] ? rest_init+0x8f/0x8f [ 1569.847252] ================================================================================ [ 1569.933502] ================================================================================ [ 1570.018352] UBSAN: Undefined behaviour in fs/ext4/super.c:3734:29 [ 1570.070371] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1570.144662] which requires 64 byte alignment [ 1570.180066] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1570.237487] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1570.307302] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1570.365656] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1570.424597] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1570.486717] Call Trace: [ 1570.506088] [] dump_stack+0xd7/0x132 [ 1570.551067] [] ? arch_local_irq_restore+0x1b/0x1b [ 1570.607175] [] ubsan_epilogue+0x12/0x53 [ 1570.652049] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1570.709191] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1570.766883] [] ext4_fill_super+0x3f38/0xa2df [ 1570.806511] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1570.854467] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1570.910867] [] ? vsnprintf+0x1a0/0xa32 [ 1570.965417] [] ? pointer+0x7a9/0x7a9 [ 1571.023084] [] ? set_bdev_super+0x15d/0x15d [ 1571.067171] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1571.126591] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1571.179105] [] ? scnprintf+0xf3/0xf3 [ 1571.223173] [] mount_bdev+0x3cf/0x602 [ 1571.266749] [] ? mount_bdev+0x3cf/0x602 [ 1571.310751] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1571.366816] [] ext4_mount+0x3c/0x3e [ 1571.404853] [] mount_fs+0xd0/0x2ca [ 1571.451767] [] vfs_kern_mount+0xa0/0x20a [ 1571.500497] [] do_mount+0x11fe/0x19df [ 1571.551554] [] ? kasan_kmalloc+0x94/0xa3 [ 1571.595134] [] ? copy_mount_string+0x3d/0x3d [ 1571.652197] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1571.721171] [] ? __check_object_size+0x1e1/0x2b8 [ 1571.796349] [] ? 0xffffffffb1c002b8 [ 1571.853528] [] ? copy_mount_options+0x23d/0x24d [ 1571.920466] [] SyS_mount+0xa3/0xda [ 1571.972565] [] mount_block_root+0x2fc/0x650 [ 1572.029145] [] ? init_rootfs+0x99/0x99 [ 1572.069545] [] ? security_file_ioctl+0xa5/0xb4 [ 1572.123155] [] ? SyS_mknod+0x2f/0x36 [ 1572.163503] [] mount_root+0x45/0x48 [ 1572.200532] [] prepare_namespace+0x1cf/0x235 [ 1572.241687] [] kernel_init_freeable+0x4fa/0x518 [ 1572.280311] [] kernel_init+0x16/0x181 [ 1572.321452] [] ret_from_fork+0x1f/0x40 [ 1572.364269] [] ? rest_init+0x8f/0x8f [ 1572.400976] ================================================================================ [ 1572.480746] ================================================================================ [ 1572.573730] UBSAN: Undefined behaviour in fs/ext4/super.c:3735:23 [ 1572.629655] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1572.701626] which requires 64 byte alignment [ 1572.732324] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1572.785504] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1572.860693] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1572.918538] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1572.990030] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1573.054696] Call Trace: [ 1573.078893] [] dump_stack+0xd7/0x132 [ 1573.132080] [] ? arch_local_irq_restore+0x1b/0x1b [ 1573.195015] [] ubsan_epilogue+0x12/0x53 [ 1573.251334] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1573.301329] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1573.362827] [] ext4_fill_super+0x3f5f/0xa2df [ 1573.416960] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1573.465338] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1573.518462] [] ? vsnprintf+0x1a0/0xa32 [ 1573.566585] [] ? pointer+0x7a9/0x7a9 [ 1573.600954] [] ? set_bdev_super+0x15d/0x15d [ 1573.648457] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1573.701024] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1573.764710] [] ? scnprintf+0xf3/0xf3 [ 1573.806393] [] mount_bdev+0x3cf/0x602 [ 1573.844957] [] ? mount_bdev+0x3cf/0x602 [ 1573.885392] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1573.962264] [] ext4_mount+0x3c/0x3e [ 1574.027167] [] mount_fs+0xd0/0x2ca [ 1574.065397] [] vfs_kern_mount+0xa0/0x20a [ 1574.106086] [] do_mount+0x11fe/0x19df [ 1574.156213] [] ? kasan_kmalloc+0x94/0xa3 [ 1574.201401] [] ? copy_mount_string+0x3d/0x3d [ 1574.253736] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1574.304374] [] ? __check_object_size+0x1e1/0x2b8 [ 1574.350383] [] ? 0xffffffffb1c002b8 [ 1574.388061] [] ? copy_mount_options+0x23d/0x24d [ 1574.444511] [] SyS_mount+0xa3/0xda [ 1574.499372] [] mount_block_root+0x2fc/0x650 [ 1574.554641] [] ? init_rootfs+0x99/0x99 [ 1574.607671] [] ? security_file_ioctl+0xa5/0xb4 [ 1574.667388] [] ? SyS_mknod+0x2f/0x36 [ 1574.718269] [] mount_root+0x45/0x48 [ 1574.773042] [] prepare_namespace+0x1cf/0x235 [ 1574.817212] [] kernel_init_freeable+0x4fa/0x518 [ 1574.866411] [] kernel_init+0x16/0x181 [ 1574.912275] [] ret_from_fork+0x1f/0x40 [ 1574.960372] [] ? rest_init+0x8f/0x8f [ 1574.999593] ================================================================================ [ 1575.075386] ================================================================================ [ 1575.154129] UBSAN: Undefined behaviour in fs/ext4/super.c:3737:23 [ 1575.214370] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1575.299954] which requires 64 byte alignment [ 1575.340937] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1575.399354] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1575.513589] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1575.588625] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1575.674669] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1575.747553] Call Trace: [ 1575.759243] [] dump_stack+0xd7/0x132 [ 1575.801220] [] ? arch_local_irq_restore+0x1b/0x1b [ 1575.863487] [] ubsan_epilogue+0x12/0x53 [ 1575.902906] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1575.966204] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1576.031192] [] ext4_fill_super+0x3faa/0xa2df [ 1576.093382] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1576.154504] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1576.208158] [] ? vsnprintf+0x1a0/0xa32 [ 1576.256319] [] ? pointer+0x7a9/0x7a9 [ 1576.296523] [] ? set_bdev_super+0x15d/0x15d [ 1576.347712] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1576.398348] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1576.455746] [] ? scnprintf+0xf3/0xf3 [ 1576.503464] [] mount_bdev+0x3cf/0x602 [ 1576.546698] [] ? mount_bdev+0x3cf/0x602 [ 1576.601639] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1576.664199] [] ext4_mount+0x3c/0x3e [ 1576.716005] [] mount_fs+0xd0/0x2ca [ 1576.765576] [] vfs_kern_mount+0xa0/0x20a [ 1576.824609] [] do_mount+0x11fe/0x19df [ 1576.877668] [] ? kasan_kmalloc+0x94/0xa3 [ 1576.943290] [] ? copy_mount_string+0x3d/0x3d [ 1577.012655] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1577.065380] [] ? __check_object_size+0x1e1/0x2b8 [ 1577.124495] [] ? 0xffffffffb1c002b8 [ 1577.166599] [] ? copy_mount_options+0x23d/0x24d [ 1577.212648] [] SyS_mount+0xa3/0xda [ 1577.248933] [] mount_block_root+0x2fc/0x650 [ 1577.298630] [] ? init_rootfs+0x99/0x99 [ 1577.346678] [] ? security_file_ioctl+0xa5/0xb4 [ 1577.385387] [] ? SyS_mknod+0x2f/0x36 [ 1577.430211] [] mount_root+0x45/0x48 [ 1577.482774] [] prepare_namespace+0x1cf/0x235 [ 1577.543859] [] kernel_init_freeable+0x4fa/0x518 [ 1577.608707] [] kernel_init+0x16/0x181 [ 1577.662109] [] ret_from_fork+0x1f/0x40 [ 1577.711715] [] ? rest_init+0x8f/0x8f [ 1577.755962] ================================================================================ [ 1577.855562] ================================================================================ [ 1577.953112] UBSAN: Undefined behaviour in fs/ext4/super.c:3739:9 [ 1578.099495] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1578.172028] which requires 64 byte alignment [ 1578.212590] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1578.262900] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1578.336067] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1578.393311] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1578.456573] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1578.529783] Call Trace: [ 1578.553259] [] dump_stack+0xd7/0x132 [ 1578.608899] [] ? arch_local_irq_restore+0x1b/0x1b [ 1578.668133] [] ubsan_epilogue+0x12/0x53 [ 1578.715120] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1578.784044] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1578.844955] [] ext4_fill_super+0x3fd1/0xa2df [ 1578.887247] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1578.926013] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1578.980490] [] ? vsnprintf+0x1a0/0xa32 [ 1579.018878] [] ? pointer+0x7a9/0x7a9 [ 1579.065754] [] ? set_bdev_super+0x15d/0x15d [ 1579.112777] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1579.166068] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1579.236760] [] ? scnprintf+0xf3/0xf3 [ 1579.282242] [] mount_bdev+0x3cf/0x602 [ 1579.321453] [] ? mount_bdev+0x3cf/0x602 [ 1579.382495] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1579.448033] [] ext4_mount+0x3c/0x3e [ 1579.510582] [] mount_fs+0xd0/0x2ca [ 1579.564420] [] vfs_kern_mount+0xa0/0x20a [ 1579.610608] [] do_mount+0x11fe/0x19df [ 1579.654991] [] ? kasan_kmalloc+0x94/0xa3 [ 1579.694235] [] ? copy_mount_string+0x3d/0x3d [ 1579.736706] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1579.788168] [] ? __check_object_size+0x1e1/0x2b8 [ 1579.836191] [] ? 0xffffffffb1c002b8 [ 1579.868731] [] ? copy_mount_options+0x23d/0x24d [ 1579.916695] [] SyS_mount+0xa3/0xda [ 1579.952259] [] mount_block_root+0x2fc/0x650 [ 1580.004775] [] ? init_rootfs+0x99/0x99 [ 1580.048973] [] ? security_file_ioctl+0xa5/0xb4 [ 1580.098408] [] ? SyS_mknod+0x2f/0x36 [ 1580.144229] [] mount_root+0x45/0x48 [ 1580.182386] [] prepare_namespace+0x1cf/0x235 [ 1580.218336] [] kernel_init_freeable+0x4fa/0x518 [ 1580.269184] [] kernel_init+0x16/0x181 [ 1580.313187] [] ret_from_fork+0x1f/0x40 [ 1580.362419] [] ? rest_init+0x8f/0x8f [ 1580.400203] ================================================================================ [ 1580.470902] ================================================================================ [ 1580.546443] UBSAN: Undefined behaviour in fs/ext4/super.c:3747:9 [ 1580.591283] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1580.665580] which requires 64 byte alignment [ 1580.704183] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1580.763998] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1580.837580] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1580.899106] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1580.958194] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1581.019163] Call Trace: [ 1581.039281] [] dump_stack+0xd7/0x132 [ 1581.083089] [] ? arch_local_irq_restore+0x1b/0x1b [ 1581.125181] [] ubsan_epilogue+0x12/0x53 [ 1581.166640] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1581.212902] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1581.259176] [] ext4_fill_super+0x404a/0xa2df [ 1581.299889] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1581.347611] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1581.398227] [] ? vsnprintf+0x1a0/0xa32 [ 1581.436800] [] ? pointer+0x7a9/0x7a9 [ 1581.483451] [] ? set_bdev_super+0x15d/0x15d [ 1581.518305] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1581.579680] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1581.636071] [] ? scnprintf+0xf3/0xf3 [ 1581.684452] [] mount_bdev+0x3cf/0x602 [ 1581.754870] [] ? mount_bdev+0x3cf/0x602 [ 1581.986150] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1582.057527] [] ext4_mount+0x3c/0x3e [ 1582.093251] [] mount_fs+0xd0/0x2ca [ 1582.134325] [] vfs_kern_mount+0xa0/0x20a [ 1582.175630] [] do_mount+0x11fe/0x19df [ 1582.216828] [] ? kasan_kmalloc+0x94/0xa3 [ 1582.264249] [] ? copy_mount_string+0x3d/0x3d [ 1582.320185] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1582.389085] [] ? __check_object_size+0x1e1/0x2b8 [ 1582.452144] [] ? 0xffffffffb1c002b8 [ 1582.507773] [] ? copy_mount_options+0x23d/0x24d [ 1582.569497] [] SyS_mount+0xa3/0xda [ 1582.615894] [] mount_block_root+0x2fc/0x650 [ 1582.681614] [] ? init_rootfs+0x99/0x99 [ 1582.735386] [] ? security_file_ioctl+0xa5/0xb4 [ 1582.845161] [] ? SyS_mknod+0x2f/0x36 [ 1582.913710] [] mount_root+0x45/0x48 [ 1582.970775] [] prepare_namespace+0x1cf/0x235 [ 1583.054605] [] kernel_init_freeable+0x4fa/0x518 [ 1583.108702] [] kernel_init+0x16/0x181 [ 1583.190966] [] ret_from_fork+0x1f/0x40 [ 1583.307344] [] ? rest_init+0x8f/0x8f [ 1583.350808] ================================================================================ [ 1583.438821] ================================================================================ [ 1583.522377] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1583.581739] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1583.662712] which requires 64 byte alignment [ 1583.697232] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1583.752713] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1583.922492] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1584.037084] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1584.133565] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1584.202566] Call Trace: [ 1584.220707] [] dump_stack+0xd7/0x132 [ 1584.271800] [] ? arch_local_irq_restore+0x1b/0x1b [ 1584.348789] [] ubsan_epilogue+0x12/0x53 [ 1584.419436] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1584.522837] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1584.657060] [] ext4_fill_super+0x4083/0xa2df [ 1584.754660] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1584.831883] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1584.885697] [] ? vsnprintf+0x1a0/0xa32 [ 1584.932471] [] ? pointer+0x7a9/0x7a9 [ 1584.973153] [] ? set_bdev_super+0x15d/0x15d [ 1585.024204] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1585.088147] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1585.152397] [] ? scnprintf+0xf3/0xf3 [ 1585.208808] [] mount_bdev+0x3cf/0x602 [ 1585.266211] [] ? mount_bdev+0x3cf/0x602 [ 1585.320763] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1585.398179] [] ext4_mount+0x3c/0x3e [ 1585.442391] [] mount_fs+0xd0/0x2ca [ 1585.505734] [] vfs_kern_mount+0xa0/0x20a [ 1585.570640] [] do_mount+0x11fe/0x19df [ 1585.614785] [] ? kasan_kmalloc+0x94/0xa3 [ 1585.660701] [] ? copy_mount_string+0x3d/0x3d [ 1585.713335] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1585.773448] [] ? __check_object_size+0x1e1/0x2b8 [ 1585.840224] [] ? 0xffffffffb1c002b8 [ 1585.904279] [] ? copy_mount_options+0x23d/0x24d [ 1585.975539] [] SyS_mount+0xa3/0xda [ 1586.048404] [] mount_block_root+0x2fc/0x650 [ 1586.136191] [] ? init_rootfs+0x99/0x99 [ 1586.215790] [] ? security_file_ioctl+0xa5/0xb4 [ 1586.285282] [] ? SyS_mknod+0x2f/0x36 [ 1586.347489] [] mount_root+0x45/0x48 [ 1586.405126] [] prepare_namespace+0x1cf/0x235 [ 1586.511639] [] kernel_init_freeable+0x4fa/0x518 [ 1586.606369] [] kernel_init+0x16/0x181 [ 1586.661348] [] ret_from_fork+0x1f/0x40 [ 1586.803510] [] ? rest_init+0x8f/0x8f [ 1586.865534] ================================================================================ [ 1586.931362] ================================================================================ [ 1587.000588] UBSAN: Undefined behaviour in fs/ext4/super.c:3748:3 [ 1587.067905] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1587.181699] which requires 64 byte alignment [ 1587.224065] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1587.291875] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1587.394747] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1587.472073] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1587.548943] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1587.616518] Call Trace: [ 1587.650998] [] dump_stack+0xd7/0x132 [ 1587.701774] [] ? arch_local_irq_restore+0x1b/0x1b [ 1587.765266] [] ubsan_epilogue+0x12/0x53 [ 1587.832431] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1587.904309] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1587.975802] [] ext4_fill_super+0x40b0/0xa2df [ 1588.039271] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1588.092949] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1588.158551] [] ? vsnprintf+0x1a0/0xa32 [ 1588.206277] [] ? pointer+0x7a9/0x7a9 [ 1588.255567] [] ? set_bdev_super+0x15d/0x15d [ 1588.304134] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1588.383197] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1588.478671] [] ? scnprintf+0xf3/0xf3 [ 1588.539930] [] mount_bdev+0x3cf/0x602 [ 1588.637198] [] ? mount_bdev+0x3cf/0x602 [ 1588.687112] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1588.762452] [] ext4_mount+0x3c/0x3e [ 1588.860952] [] mount_fs+0xd0/0x2ca [ 1588.925645] [] vfs_kern_mount+0xa0/0x20a [ 1588.988865] [] do_mount+0x11fe/0x19df [ 1589.041449] [] ? kasan_kmalloc+0x94/0xa3 [ 1589.113050] [] ? copy_mount_string+0x3d/0x3d [ 1589.188800] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1589.238718] [] ? __check_object_size+0x1e1/0x2b8 [ 1589.337493] [] ? 0xffffffffb1c002b8 [ 1589.383209] [] ? copy_mount_options+0x23d/0x24d [ 1589.455909] [] SyS_mount+0xa3/0xda [ 1589.541434] [] mount_block_root+0x2fc/0x650 [ 1589.662854] [] ? init_rootfs+0x99/0x99 [ 1589.719761] [] ? security_file_ioctl+0xa5/0xb4 [ 1589.759182] [] ? SyS_mknod+0x2f/0x36 [ 1589.803107] [] mount_root+0x45/0x48 [ 1589.839748] [] prepare_namespace+0x1cf/0x235 [ 1589.879064] [] kernel_init_freeable+0x4fa/0x518 [ 1589.918359] [] kernel_init+0x16/0x181 [ 1589.959149] [] ret_from_fork+0x1f/0x40 [ 1589.999599] [] ? rest_init+0x8f/0x8f [ 1590.041553] ================================================================================ [ 1590.110548] ================================================================================ [ 1590.163460] UBSAN: Undefined behaviour in fs/ext4/super.c:3748:3 [ 1590.202172] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1590.269244] which requires 64 byte alignment [ 1590.293040] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1590.342979] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1590.434065] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1590.491777] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1590.541000] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1590.600129] Call Trace: [ 1590.620832] [] dump_stack+0xd7/0x132 [ 1590.654509] [] ? arch_local_irq_restore+0x1b/0x1b [ 1590.708404] [] ubsan_epilogue+0x12/0x53 [ 1590.755489] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1590.813665] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1590.901704] [] ext4_fill_super+0x40dc/0xa2df [ 1590.955793] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1590.992716] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1591.039572] [] ? vsnprintf+0x1a0/0xa32 [ 1591.071329] [] ? pointer+0x7a9/0x7a9 [ 1591.104316] [] ? set_bdev_super+0x15d/0x15d [ 1591.136138] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1591.175703] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1591.226950] [] ? scnprintf+0xf3/0xf3 [ 1591.259735] [] mount_bdev+0x3cf/0x602 [ 1591.294614] [] ? mount_bdev+0x3cf/0x602 [ 1591.340089] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1591.428471] [] ext4_mount+0x3c/0x3e [ 1591.464210] [] mount_fs+0xd0/0x2ca [ 1591.518877] [] vfs_kern_mount+0xa0/0x20a [ 1591.593052] [] do_mount+0x11fe/0x19df [ 1591.642902] [] ? kasan_kmalloc+0x94/0xa3 [ 1591.699351] [] ? copy_mount_string+0x3d/0x3d [ 1591.744734] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1591.805735] [] ? __check_object_size+0x1e1/0x2b8 [ 1591.860532] [] ? 0xffffffffb1c002b8 [ 1591.909571] [] ? copy_mount_options+0x23d/0x24d [ 1591.960201] [] SyS_mount+0xa3/0xda [ 1592.015167] [] mount_block_root+0x2fc/0x650 [ 1592.072065] [] ? init_rootfs+0x99/0x99 [ 1592.110080] [] ? security_file_ioctl+0xa5/0xb4 [ 1592.342691] [] ? SyS_mknod+0x2f/0x36 [ 1592.404010] [] mount_root+0x45/0x48 [ 1592.451050] [] prepare_namespace+0x1cf/0x235 [ 1592.518353] [] kernel_init_freeable+0x4fa/0x518 [ 1592.597637] [] kernel_init+0x16/0x181 [ 1592.690127] [] ret_from_fork+0x1f/0x40 [ 1592.756701] [] ? rest_init+0x8f/0x8f [ 1592.810536] ================================================================================ [ 1592.888616] ================================================================================ [ 1592.960963] UBSAN: Undefined behaviour in fs/ext4/super.c:3754:36 [ 1593.008645] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1593.090181] which requires 64 byte alignment [ 1593.135518] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1593.216451] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1593.377736] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1593.442965] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1593.537337] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1593.639035] Call Trace: [ 1593.668489] [] dump_stack+0xd7/0x132 [ 1593.709782] [] ? arch_local_irq_restore+0x1b/0x1b [ 1593.771994] [] ubsan_epilogue+0x12/0x53 [ 1593.817305] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1593.902721] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1593.993189] [] ext4_fill_super+0x416f/0xa2df [ 1594.073343] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1594.140141] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1594.213339] [] ? vsnprintf+0x1a0/0xa32 [ 1594.280834] [] ? pointer+0x7a9/0x7a9 [ 1594.354481] [] ? set_bdev_super+0x15d/0x15d [ 1594.445263] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1594.572936] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1594.671337] [] ? scnprintf+0xf3/0xf3 [ 1594.737227] [] mount_bdev+0x3cf/0x602 [ 1594.789030] [] ? mount_bdev+0x3cf/0x602 [ 1594.836962] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1594.904625] [] ext4_mount+0x3c/0x3e [ 1594.939692] [] mount_fs+0xd0/0x2ca [ 1594.984809] [] vfs_kern_mount+0xa0/0x20a [ 1595.041391] [] do_mount+0x11fe/0x19df [ 1595.091118] [] ? kasan_kmalloc+0x94/0xa3 [ 1595.155136] [] ? copy_mount_string+0x3d/0x3d [ 1595.218670] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1595.285646] [] ? __check_object_size+0x1e1/0x2b8 [ 1595.360271] [] ? 0xffffffffb1c002b8 [ 1595.420242] [] ? copy_mount_options+0x23d/0x24d [ 1595.495227] [] SyS_mount+0xa3/0xda [ 1595.559498] [] mount_block_root+0x2fc/0x650 [ 1595.627841] [] ? init_rootfs+0x99/0x99 [ 1595.684919] [] ? security_file_ioctl+0xa5/0xb4 [ 1595.742869] [] ? SyS_mknod+0x2f/0x36 [ 1595.795967] [] mount_root+0x45/0x48 [ 1595.859484] [] prepare_namespace+0x1cf/0x235 [ 1595.929200] [] kernel_init_freeable+0x4fa/0x518 [ 1596.008000] [] kernel_init+0x16/0x181 [ 1596.075747] [] ret_from_fork+0x1f/0x40 [ 1596.132750] [] ? rest_init+0x8f/0x8f [ 1596.193549] ================================================================================ [ 1596.306727] ================================================================================ [ 1596.412977] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1596.516176] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1596.634886] which requires 64 byte alignment [ 1596.678057] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1596.727177] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1596.840614] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1596.909381] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1596.979063] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1597.056610] Call Trace: [ 1597.086794] [] dump_stack+0xd7/0x132 [ 1597.128917] [] ? arch_local_irq_restore+0x1b/0x1b [ 1597.206623] [] ubsan_epilogue+0x12/0x53 [ 1597.260314] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1597.333398] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1597.421619] [] ext4_fill_super+0x41ce/0xa2df [ 1597.491771] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1597.550403] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1597.612669] [] ? vsnprintf+0x1a0/0xa32 [ 1597.658277] [] ? pointer+0x7a9/0x7a9 [ 1597.709127] [] ? set_bdev_super+0x15d/0x15d [ 1597.764062] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1597.863825] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1597.957779] [] ? scnprintf+0xf3/0xf3 [ 1598.022257] [] mount_bdev+0x3cf/0x602 [ 1598.072663] [] ? mount_bdev+0x3cf/0x602 [ 1598.109634] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1598.160220] [] ext4_mount+0x3c/0x3e [ 1598.211550] [] mount_fs+0xd0/0x2ca [ 1598.252615] [] vfs_kern_mount+0xa0/0x20a [ 1598.308338] [] do_mount+0x11fe/0x19df [ 1598.376227] [] ? kasan_kmalloc+0x94/0xa3 [ 1598.439211] [] ? copy_mount_string+0x3d/0x3d [ 1598.509470] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1598.576865] [] ? __check_object_size+0x1e1/0x2b8 [ 1598.641108] [] ? 0xffffffffb1c002b8 [ 1598.696063] [] ? copy_mount_options+0x23d/0x24d [ 1598.765268] [] SyS_mount+0xa3/0xda [ 1598.811862] [] mount_block_root+0x2fc/0x650 [ 1598.876182] [] ? init_rootfs+0x99/0x99 [ 1598.927648] [] ? security_file_ioctl+0xa5/0xb4 [ 1598.996823] [] ? SyS_mknod+0x2f/0x36 [ 1599.046995] [] mount_root+0x45/0x48 [ 1599.192931] [] prepare_namespace+0x1cf/0x235 [ 1599.363883] [] kernel_init_freeable+0x4fa/0x518 [ 1599.487126] [] kernel_init+0x16/0x181 [ 1599.539208] [] ret_from_fork+0x1f/0x40 [ 1599.598704] [] ? rest_init+0x8f/0x8f [ 1599.649470] ================================================================================ [ 1599.738349] ================================================================================ [ 1599.881416] UBSAN: Undefined behaviour in fs/ext4/super.c:3764:6 [ 1600.031325] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1600.211938] which requires 64 byte alignment [ 1600.262324] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1600.325994] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1600.415039] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1600.493774] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1600.576877] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1600.775139] Call Trace: [ 1600.849148] [] dump_stack+0xd7/0x132 [ 1600.930613] [] ? arch_local_irq_restore+0x1b/0x1b [ 1601.031093] [] ubsan_epilogue+0x12/0x53 [ 1601.105442] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1601.205507] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1601.326899] [] ext4_fill_super+0x41fa/0xa2df [ 1601.398269] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1601.455717] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1601.519140] [] ? vsnprintf+0x1a0/0xa32 [ 1601.578894] [] ? pointer+0x7a9/0x7a9 [ 1601.648238] [] ? set_bdev_super+0x15d/0x15d [ 1601.728210] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1601.810402] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1601.904594] [] ? scnprintf+0xf3/0xf3 [ 1601.964299] [] mount_bdev+0x3cf/0x602 [ 1602.112462] [] ? mount_bdev+0x3cf/0x602 [ 1602.281684] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1602.364102] [] ext4_mount+0x3c/0x3e [ 1602.430593] [] mount_fs+0xd0/0x2ca [ 1602.498552] [] vfs_kern_mount+0xa0/0x20a [ 1602.573715] [] do_mount+0x11fe/0x19df [ 1602.645333] [] ? kasan_kmalloc+0x94/0xa3 [ 1602.795748] [] ? copy_mount_string+0x3d/0x3d [ 1602.982022] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1603.057312] [] ? __check_object_size+0x1e1/0x2b8 [ 1603.146108] [] ? 0xffffffffb1c002b8 [ 1603.210058] [] ? copy_mount_options+0x23d/0x24d [ 1603.276565] [] SyS_mount+0xa3/0xda [ 1603.364963] [] mount_block_root+0x2fc/0x650 [ 1603.512136] [] ? init_rootfs+0x99/0x99 [ 1603.598541] [] ? security_file_ioctl+0xa5/0xb4 [ 1603.679985] [] ? SyS_mknod+0x2f/0x36 [ 1603.761493] [] mount_root+0x45/0x48 [ 1603.853960] [] prepare_namespace+0x1cf/0x235 [ 1603.948050] [] kernel_init_freeable+0x4fa/0x518 [ 1604.040249] [] kernel_init+0x16/0x181 [ 1604.107442] [] ret_from_fork+0x1f/0x40 [ 1604.179394] [] ? rest_init+0x8f/0x8f [ 1604.239217] ================================================================================ [ 1604.339551] ================================================================================ [ 1604.459385] UBSAN: Undefined behaviour in fs/ext4/super.c:3768:19 [ 1604.525063] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1604.624351] which requires 64 byte alignment [ 1604.674494] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1604.733544] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1604.825637] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1604.897051] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1604.975253] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1605.051891] Call Trace: [ 1605.077711] [] dump_stack+0xd7/0x132 [ 1605.132122] [] ? arch_local_irq_restore+0x1b/0x1b [ 1605.207813] [] ubsan_epilogue+0x12/0x53 [ 1605.262299] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1605.333787] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1605.421384] [] ext4_fill_super+0x422d/0xa2df [ 1605.482118] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1605.558476] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1605.699063] [] ? vsnprintf+0x1a0/0xa32 [ 1605.795063] [] ? pointer+0x7a9/0x7a9 [ 1605.875463] [] ? set_bdev_super+0x15d/0x15d [ 1605.959595] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1606.060469] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1606.139881] [] ? scnprintf+0xf3/0xf3 [ 1606.196779] [] mount_bdev+0x3cf/0x602 [ 1606.244174] [] ? mount_bdev+0x3cf/0x602 [ 1606.299258] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1606.373683] [] ext4_mount+0x3c/0x3e [ 1606.427629] [] mount_fs+0xd0/0x2ca [ 1606.550477] [] vfs_kern_mount+0xa0/0x20a [ 1606.613296] [] do_mount+0x11fe/0x19df [ 1606.658777] [] ? kasan_kmalloc+0x94/0xa3 [ 1606.706602] [] ? copy_mount_string+0x3d/0x3d [ 1606.755804] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1606.816487] [] ? __check_object_size+0x1e1/0x2b8 [ 1606.872668] [] ? 0xffffffffb1c002b8 [ 1606.920851] [] ? copy_mount_options+0x23d/0x24d [ 1606.975621] [] SyS_mount+0xa3/0xda [ 1607.021442] [] mount_block_root+0x2fc/0x650 [ 1607.069457] [] ? init_rootfs+0x99/0x99 [ 1607.114273] [] ? security_file_ioctl+0xa5/0xb4 [ 1607.169265] [] ? SyS_mknod+0x2f/0x36 [ 1607.218922] [] mount_root+0x45/0x48 [ 1607.264369] [] prepare_namespace+0x1cf/0x235 [ 1607.323683] [] kernel_init_freeable+0x4fa/0x518 [ 1607.381267] [] kernel_init+0x16/0x181 [ 1607.426887] [] ret_from_fork+0x1f/0x40 [ 1607.464164] [] ? rest_init+0x8f/0x8f [ 1607.511218] ================================================================================ [ 1607.584589] ================================================================================ [ 1607.651601] UBSAN: Undefined behaviour in fs/ext4/super.c:3768:51 [ 1607.699713] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1607.781012] which requires 64 byte alignment [ 1607.822393] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1607.876777] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1607.974870] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1608.058525] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1608.152376] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1608.275494] Call Trace: [ 1608.300062] [] dump_stack+0xd7/0x132 [ 1608.348874] [] ? arch_local_irq_restore+0x1b/0x1b [ 1608.412652] [] ubsan_epilogue+0x12/0x53 [ 1608.460063] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1608.529172] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1608.597312] [] ext4_fill_super+0x42a6/0xa2df [ 1608.648640] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1608.702634] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1608.765756] [] ? vsnprintf+0x1a0/0xa32 [ 1608.814678] [] ? pointer+0x7a9/0x7a9 [ 1608.861409] [] ? set_bdev_super+0x15d/0x15d [ 1608.918954] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1608.982408] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1609.047201] [] ? scnprintf+0xf3/0xf3 [ 1609.094970] [] mount_bdev+0x3cf/0x602 [ 1609.137194] [] ? mount_bdev+0x3cf/0x602 [ 1609.184492] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1609.233036] [] ext4_mount+0x3c/0x3e [ 1609.275527] [] mount_fs+0xd0/0x2ca [ 1609.311052] [] vfs_kern_mount+0xa0/0x20a [ 1609.351048] [] do_mount+0x11fe/0x19df [ 1609.399668] [] ? kasan_kmalloc+0x94/0xa3 [ 1609.435946] [] ? copy_mount_string+0x3d/0x3d [ 1609.492454] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1609.544860] [] ? __check_object_size+0x1e1/0x2b8 [ 1609.605237] [] ? 0xffffffffb1c002b8 [ 1609.663131] [] ? copy_mount_options+0x23d/0x24d [ 1609.717446] [] SyS_mount+0xa3/0xda [ 1609.758554] [] mount_block_root+0x2fc/0x650 [ 1609.808394] [] ? init_rootfs+0x99/0x99 [ 1609.856908] [] ? security_file_ioctl+0xa5/0xb4 [ 1609.917198] [] ? SyS_mknod+0x2f/0x36 [ 1609.963119] [] mount_root+0x45/0x48 [ 1610.009578] [] prepare_namespace+0x1cf/0x235 [ 1610.062317] [] kernel_init_freeable+0x4fa/0x518 [ 1610.112431] [] kernel_init+0x16/0x181 [ 1610.162242] [] ret_from_fork+0x1f/0x40 [ 1610.205542] [] ? rest_init+0x8f/0x8f [ 1610.255103] ================================================================================ [ 1610.328962] ================================================================================ [ 1610.404047] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1610.461346] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1610.542330] which requires 64 byte alignment [ 1610.580089] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1610.635045] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1610.727651] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1610.795916] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1610.863105] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1610.932545] Call Trace: [ 1610.955936] [] dump_stack+0xd7/0x132 [ 1611.004225] [] ? arch_local_irq_restore+0x1b/0x1b [ 1611.054682] [] ubsan_epilogue+0x12/0x53 [ 1611.091034] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1611.144415] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1611.194122] [] ext4_fill_super+0x4534/0xa2df [ 1611.238257] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1611.284109] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1611.333512] [] ? vsnprintf+0x1a0/0xa32 [ 1611.367372] [] ? pointer+0x7a9/0x7a9 [ 1611.409694] [] ? set_bdev_super+0x15d/0x15d [ 1611.468323] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1611.531923] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1611.598114] [] ? scnprintf+0xf3/0xf3 [ 1611.647174] [] mount_bdev+0x3cf/0x602 [ 1611.695996] [] ? mount_bdev+0x3cf/0x602 [ 1611.751852] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1611.978963] [] ext4_mount+0x3c/0x3e [ 1612.032061] [] mount_fs+0xd0/0x2ca [ 1612.083899] [] vfs_kern_mount+0xa0/0x20a [ 1612.128136] [] do_mount+0x11fe/0x19df [ 1612.172358] [] ? kasan_kmalloc+0x94/0xa3 [ 1612.211136] [] ? copy_mount_string+0x3d/0x3d [ 1612.250658] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1612.309757] [] ? __check_object_size+0x1e1/0x2b8 [ 1612.353263] [] ? 0xffffffffb1c002b8 [ 1612.400423] [] ? copy_mount_options+0x23d/0x24d [ 1612.447229] [] SyS_mount+0xa3/0xda [ 1612.481228] [] mount_block_root+0x2fc/0x650 [ 1612.528522] [] ? init_rootfs+0x99/0x99 [ 1612.567772] [] ? security_file_ioctl+0xa5/0xb4 [ 1612.621528] [] ? SyS_mknod+0x2f/0x36 [ 1612.659555] [] mount_root+0x45/0x48 [ 1612.701750] [] prepare_namespace+0x1cf/0x235 [ 1612.745601] [] kernel_init_freeable+0x4fa/0x518 [ 1612.797191] [] kernel_init+0x16/0x181 [ 1612.836499] [] ret_from_fork+0x1f/0x40 [ 1612.876665] [] ? rest_init+0x8f/0x8f [ 1612.937399] ================================================================================ [ 1613.004393] ================================================================================ [ 1613.068555] UBSAN: Undefined behaviour in fs/ext4/super.c:3789:4 [ 1613.107466] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1613.176010] which requires 64 byte alignment [ 1613.207903] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1613.253167] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1613.319970] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1613.377093] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1613.428737] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1613.482095] Call Trace: [ 1613.503919] [] dump_stack+0xd7/0x132 [ 1613.542129] [] ? arch_local_irq_restore+0x1b/0x1b [ 1613.586434] [] ubsan_epilogue+0x12/0x53 [ 1613.636342] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1613.683557] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1613.738574] [] ext4_fill_super+0x4561/0xa2df [ 1613.793551] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1613.838640] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1613.896169] [] ? vsnprintf+0x1a0/0xa32 [ 1613.940304] [] ? pointer+0x7a9/0x7a9 [ 1613.983911] [] ? set_bdev_super+0x15d/0x15d [ 1614.027857] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1614.083928] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1614.144594] [] ? scnprintf+0xf3/0xf3 [ 1614.180034] [] mount_bdev+0x3cf/0x602 [ 1614.214562] [] ? mount_bdev+0x3cf/0x602 [ 1614.255217] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1614.304652] [] ext4_mount+0x3c/0x3e [ 1614.343105] [] mount_fs+0xd0/0x2ca [ 1614.386613] [] vfs_kern_mount+0xa0/0x20a [ 1614.476899] [] do_mount+0x11fe/0x19df [ 1614.522066] [] ? kasan_kmalloc+0x94/0xa3 [ 1614.579852] [] ? copy_mount_string+0x3d/0x3d [ 1614.631766] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1614.746743] [] ? __check_object_size+0x1e1/0x2b8 [ 1614.814810] [] ? 0xffffffffb1c002b8 [ 1614.887239] [] ? copy_mount_options+0x23d/0x24d [ 1615.004551] [] SyS_mount+0xa3/0xda [ 1615.054790] [] mount_block_root+0x2fc/0x650 [ 1615.095665] [] ? init_rootfs+0x99/0x99 [ 1615.132614] [] ? security_file_ioctl+0xa5/0xb4 [ 1615.183921] [] ? SyS_mknod+0x2f/0x36 [ 1615.221738] [] mount_root+0x45/0x48 [ 1615.266192] [] prepare_namespace+0x1cf/0x235 [ 1615.311988] [] kernel_init_freeable+0x4fa/0x518 [ 1615.369156] [] kernel_init+0x16/0x181 [ 1615.417528] [] ret_from_fork+0x1f/0x40 [ 1615.470896] [] ? rest_init+0x8f/0x8f [ 1615.515835] ================================================================================ [ 1615.587563] ================================================================================ [ 1615.655336] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1615.696136] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1615.770225] which requires 64 byte alignment [ 1615.802739] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1615.853759] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1615.924023] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1615.987604] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1616.055274] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1616.114282] Call Trace: [ 1616.132276] [] dump_stack+0xd7/0x132 [ 1616.172220] [] ? arch_local_irq_restore+0x1b/0x1b [ 1616.225989] [] ubsan_epilogue+0x12/0x53 [ 1616.271918] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1616.327146] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1616.394234] [] ext4_fill_super+0x45a3/0xa2df [ 1616.450885] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1616.506866] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1616.565741] [] ? vsnprintf+0x1a0/0xa32 [ 1616.605035] [] ? pointer+0x7a9/0x7a9 [ 1616.647389] [] ? set_bdev_super+0x15d/0x15d [ 1616.688055] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1616.739210] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1616.799665] [] ? scnprintf+0xf3/0xf3 [ 1616.836450] [] mount_bdev+0x3cf/0x602 [ 1616.882278] [] ? mount_bdev+0x3cf/0x602 [ 1616.925457] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1616.998651] [] ext4_mount+0x3c/0x3e [ 1617.039158] [] mount_fs+0xd0/0x2ca [ 1617.088844] [] vfs_kern_mount+0xa0/0x20a [ 1617.135855] [] do_mount+0x11fe/0x19df [ 1617.197029] [] ? kasan_kmalloc+0x94/0xa3 [ 1617.256583] [] ? copy_mount_string+0x3d/0x3d [ 1617.318315] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1617.371757] [] ? __check_object_size+0x1e1/0x2b8 [ 1617.426571] [] ? 0xffffffffb1c002b8 [ 1617.470886] [] ? copy_mount_options+0x23d/0x24d [ 1617.520293] [] SyS_mount+0xa3/0xda [ 1617.564684] [] mount_block_root+0x2fc/0x650 [ 1617.615033] [] ? init_rootfs+0x99/0x99 [ 1617.666476] [] ? security_file_ioctl+0xa5/0xb4 [ 1617.724482] [] ? SyS_mknod+0x2f/0x36 [ 1617.768827] [] mount_root+0x45/0x48 [ 1617.806560] [] prepare_namespace+0x1cf/0x235 [ 1617.854573] [] kernel_init_freeable+0x4fa/0x518 [ 1617.907849] [] kernel_init+0x16/0x181 [ 1617.952339] [] ret_from_fork+0x1f/0x40 [ 1618.000279] [] ? rest_init+0x8f/0x8f [ 1618.037070] ================================================================================ [ 1618.101107] ================================================================================ [ 1618.179071] UBSAN: Undefined behaviour in fs/ext4/super.c:3790:2 [ 1618.232965] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1618.305486] which requires 64 byte alignment [ 1618.337041] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1618.386688] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1618.455217] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1618.516221] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1618.568873] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1618.628350] Call Trace: [ 1618.646533] [] dump_stack+0xd7/0x132 [ 1618.691499] [] ? arch_local_irq_restore+0x1b/0x1b [ 1618.746934] [] ubsan_epilogue+0x12/0x53 [ 1618.799388] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1618.980160] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1619.093671] [] ext4_fill_super+0x45bd/0xa2df [ 1619.152593] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1619.202645] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1619.259791] [] ? vsnprintf+0x1a0/0xa32 [ 1619.302587] [] ? pointer+0x7a9/0x7a9 [ 1619.352369] [] ? set_bdev_super+0x15d/0x15d [ 1619.423310] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1619.506648] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1619.619010] [] ? scnprintf+0xf3/0xf3 [ 1619.706288] [] mount_bdev+0x3cf/0x602 [ 1619.790003] [] ? mount_bdev+0x3cf/0x602 [ 1619.850765] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1619.923916] [] ext4_mount+0x3c/0x3e [ 1620.019292] [] mount_fs+0xd0/0x2ca [ 1620.088164] [] vfs_kern_mount+0xa0/0x20a [ 1620.173649] [] do_mount+0x11fe/0x19df [ 1620.279347] [] ? kasan_kmalloc+0x94/0xa3 [ 1620.367446] [] ? copy_mount_string+0x3d/0x3d [ 1620.440595] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1620.500963] [] ? __check_object_size+0x1e1/0x2b8 [ 1620.598486] [] ? 0xffffffffb1c002b8 [ 1620.665730] [] ? copy_mount_options+0x23d/0x24d [ 1620.750395] [] SyS_mount+0xa3/0xda [ 1620.787922] [] mount_block_root+0x2fc/0x650 [ 1620.836278] [] ? init_rootfs+0x99/0x99 [ 1620.875653] [] ? security_file_ioctl+0xa5/0xb4 [ 1620.924301] [] ? SyS_mknod+0x2f/0x36 [ 1620.966867] [] mount_root+0x45/0x48 [ 1620.999852] [] prepare_namespace+0x1cf/0x235 [ 1621.036922] [] kernel_init_freeable+0x4fa/0x518 [ 1621.084229] [] kernel_init+0x16/0x181 [ 1621.124739] [] ret_from_fork+0x1f/0x40 [ 1621.176389] [] ? rest_init+0x8f/0x8f [ 1621.210293] ================================================================================ [ 1621.275905] ================================================================================ [ 1621.359168] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1621.418079] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1621.504401] which requires 64 byte alignment [ 1621.551539] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1621.623594] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1621.709622] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1621.784824] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1621.848370] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1621.907928] Call Trace: [ 1621.924586] [] dump_stack+0xd7/0x132 [ 1621.971302] [] ? arch_local_irq_restore+0x1b/0x1b [ 1622.015247] [] ubsan_epilogue+0x12/0x53 [ 1622.055235] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1622.100121] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1622.156942] [] ext4_fill_super+0x461e/0xa2df [ 1622.202203] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1622.247017] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1622.298455] [] ? vsnprintf+0x1a0/0xa32 [ 1622.333554] [] ? pointer+0x7a9/0x7a9 [ 1622.384541] [] ? set_bdev_super+0x15d/0x15d [ 1622.435225] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1622.499797] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1622.573253] [] ? scnprintf+0xf3/0xf3 [ 1622.622263] [] mount_bdev+0x3cf/0x602 [ 1622.675338] [] ? mount_bdev+0x3cf/0x602 [ 1622.725792] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1622.802874] [] ext4_mount+0x3c/0x3e [ 1622.849092] [] mount_fs+0xd0/0x2ca [ 1622.895761] [] vfs_kern_mount+0xa0/0x20a [ 1622.941182] [] do_mount+0x11fe/0x19df [ 1622.974916] [] ? kasan_kmalloc+0x94/0xa3 [ 1623.018591] [] ? copy_mount_string+0x3d/0x3d [ 1623.069220] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1623.108416] [] ? __check_object_size+0x1e1/0x2b8 [ 1623.152844] [] ? 0xffffffffb1c002b8 [ 1623.200577] [] ? copy_mount_options+0x23d/0x24d [ 1623.257654] [] SyS_mount+0xa3/0xda [ 1623.296452] [] mount_block_root+0x2fc/0x650 [ 1623.349614] [] ? init_rootfs+0x99/0x99 [ 1623.406865] [] ? security_file_ioctl+0xa5/0xb4 [ 1623.458980] [] ? SyS_mknod+0x2f/0x36 [ 1623.501656] [] mount_root+0x45/0x48 [ 1623.551407] [] prepare_namespace+0x1cf/0x235 [ 1623.613290] [] kernel_init_freeable+0x4fa/0x518 [ 1623.668591] [] kernel_init+0x16/0x181 [ 1623.717808] [] ret_from_fork+0x1f/0x40 [ 1623.768013] [] ? rest_init+0x8f/0x8f [ 1623.814229] ================================================================================ [ 1623.887776] ================================================================================ [ 1623.956522] UBSAN: Undefined behaviour in fs/ext4/super.c:3791:41 [ 1624.007249] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1624.091882] which requires 64 byte alignment [ 1624.126437] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1624.184302] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1624.279757] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1624.392682] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1624.542735] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1624.716881] Call Trace: [ 1624.814415] [] dump_stack+0xd7/0x132 [ 1624.912026] [] ? arch_local_irq_restore+0x1b/0x1b [ 1625.053652] [] ubsan_epilogue+0x12/0x53 [ 1625.153681] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1625.281098] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1625.333644] [] ext4_fill_super+0x464a/0xa2df [ 1625.374973] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1625.427395] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1625.481445] [] ? vsnprintf+0x1a0/0xa32 [ 1625.522590] [] ? pointer+0x7a9/0x7a9 [ 1625.569768] [] ? set_bdev_super+0x15d/0x15d [ 1625.623630] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1625.683824] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1625.756250] [] ? scnprintf+0xf3/0xf3 [ 1625.808497] [] mount_bdev+0x3cf/0x602 [ 1625.855588] [] ? mount_bdev+0x3cf/0x602 [ 1625.918252] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1625.975723] [] ext4_mount+0x3c/0x3e [ 1626.020935] [] mount_fs+0xd0/0x2ca [ 1626.068522] [] vfs_kern_mount+0xa0/0x20a [ 1626.119410] [] do_mount+0x11fe/0x19df [ 1626.164641] [] ? kasan_kmalloc+0x94/0xa3 [ 1626.210787] [] ? copy_mount_string+0x3d/0x3d [ 1626.257248] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1626.318426] [] ? __check_object_size+0x1e1/0x2b8 [ 1626.376985] [] ? 0xffffffffb1c002b8 [ 1626.423235] [] ? copy_mount_options+0x23d/0x24d [ 1626.473312] [] SyS_mount+0xa3/0xda [ 1626.515853] [] mount_block_root+0x2fc/0x650 [ 1626.564219] [] ? init_rootfs+0x99/0x99 [ 1626.600764] [] ? security_file_ioctl+0xa5/0xb4 [ 1626.661352] [] ? SyS_mknod+0x2f/0x36 [ 1626.703435] [] mount_root+0x45/0x48 [ 1626.744752] [] prepare_namespace+0x1cf/0x235 [ 1626.799135] [] kernel_init_freeable+0x4fa/0x518 [ 1626.855959] [] kernel_init+0x16/0x181 [ 1626.911196] [] ret_from_fork+0x1f/0x40 [ 1626.964950] [] ? rest_init+0x8f/0x8f [ 1627.008302] ================================================================================ [ 1627.070742] ================================================================================ [ 1627.132194] UBSAN: Undefined behaviour in fs/ext4/super.c:3800:22 [ 1627.174018] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1627.233030] which requires 64 byte alignment [ 1627.265207] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1627.307604] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1627.374459] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1627.492795] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1627.681282] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1627.788775] Call Trace: [ 1627.810901] [] dump_stack+0xd7/0x132 [ 1627.851722] [] ? arch_local_irq_restore+0x1b/0x1b [ 1627.935989] [] ubsan_epilogue+0x12/0x53 [ 1627.986349] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1628.044688] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1628.108943] [] ext4_fill_super+0x47a9/0xa2df [ 1628.168531] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1628.228233] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1628.295029] [] ? vsnprintf+0x1a0/0xa32 [ 1628.344202] [] ? pointer+0x7a9/0x7a9 [ 1628.395648] [] ? set_bdev_super+0x15d/0x15d [ 1628.447132] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1628.507003] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1628.570497] [] ? scnprintf+0xf3/0xf3 [ 1628.616726] [] mount_bdev+0x3cf/0x602 [ 1628.662781] [] ? mount_bdev+0x3cf/0x602 [ 1628.707541] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1628.766663] [] ext4_mount+0x3c/0x3e [ 1628.806480] [] mount_fs+0xd0/0x2ca [ 1628.838597] [] vfs_kern_mount+0xa0/0x20a [ 1628.873562] [] do_mount+0x11fe/0x19df [ 1628.915160] [] ? kasan_kmalloc+0x94/0xa3 [ 1628.954061] [] ? copy_mount_string+0x3d/0x3d [ 1628.986182] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1629.025078] [] ? __check_object_size+0x1e1/0x2b8 [ 1629.077674] [] ? 0xffffffffb1c002b8 [ 1629.112448] [] ? copy_mount_options+0x23d/0x24d [ 1629.152747] [] SyS_mount+0xa3/0xda [ 1629.185500] [] mount_block_root+0x2fc/0x650 [ 1629.219190] [] ? init_rootfs+0x99/0x99 [ 1629.254985] [] ? security_file_ioctl+0xa5/0xb4 [ 1629.305008] [] ? SyS_mknod+0x2f/0x36 [ 1629.342880] [] mount_root+0x45/0x48 [ 1629.372240] [] prepare_namespace+0x1cf/0x235 [ 1629.421012] [] kernel_init_freeable+0x4fa/0x518 [ 1629.468820] [] kernel_init+0x16/0x181 [ 1629.506852] [] ret_from_fork+0x1f/0x40 [ 1629.547556] [] ? rest_init+0x8f/0x8f [ 1629.591691] ================================================================================ [ 1629.665127] ================================================================================ [ 1629.740366] UBSAN: Undefined behaviour in fs/ext4/super.c:3801:28 [ 1629.802240] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1629.884585] which requires 64 byte alignment [ 1629.924604] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1629.976095] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1630.074570] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1630.140715] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1630.200513] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1630.255036] Call Trace: [ 1630.275824] [] dump_stack+0xd7/0x132 [ 1630.314078] [] ? arch_local_irq_restore+0x1b/0x1b [ 1630.349564] [] ubsan_epilogue+0x12/0x53 [ 1630.391516] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1630.439612] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1630.490527] [] ext4_fill_super+0x47e0/0xa2df [ 1630.522731] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1630.566666] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1630.618115] [] ? vsnprintf+0x1a0/0xa32 [ 1630.652469] [] ? pointer+0x7a9/0x7a9 [ 1630.681031] [] ? set_bdev_super+0x15d/0x15d [ 1630.725115] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1630.778920] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1630.820358] [] ? scnprintf+0xf3/0xf3 [ 1630.849364] [] mount_bdev+0x3cf/0x602 [ 1630.891092] [] ? mount_bdev+0x3cf/0x602 [ 1630.933029] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1630.985178] [] ext4_mount+0x3c/0x3e [ 1631.009159] [] mount_fs+0xd0/0x2ca [ 1631.044347] [] vfs_kern_mount+0xa0/0x20a [ 1631.095051] [] do_mount+0x11fe/0x19df [ 1631.144186] [] ? kasan_kmalloc+0x94/0xa3 [ 1631.181237] [] ? copy_mount_string+0x3d/0x3d [ 1631.261263] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1631.296207] [] ? __check_object_size+0x1e1/0x2b8 [ 1631.337542] [] ? 0xffffffffb1c002b8 [ 1631.375823] [] ? copy_mount_options+0x23d/0x24d [ 1631.419741] [] SyS_mount+0xa3/0xda [ 1631.450640] [] mount_block_root+0x2fc/0x650 [ 1631.490325] [] ? init_rootfs+0x99/0x99 [ 1631.532740] [] ? security_file_ioctl+0xa5/0xb4 [ 1631.581712] [] ? SyS_mknod+0x2f/0x36 [ 1631.620264] [] mount_root+0x45/0x48 [ 1631.661359] [] prepare_namespace+0x1cf/0x235 [ 1631.706251] [] kernel_init_freeable+0x4fa/0x518 [ 1631.746079] [] kernel_init+0x16/0x181 [ 1631.775438] [] ret_from_fork+0x1f/0x40 [ 1631.814721] [] ? rest_init+0x8f/0x8f [ 1631.842323] ================================================================================ [ 1631.906710] ================================================================================ [ 1631.951994] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1631.997021] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1632.055483] which requires 64 byte alignment [ 1632.086760] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1632.127710] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1632.197453] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1632.255737] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1632.310685] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1632.371357] Call Trace: [ 1632.391974] [] dump_stack+0xd7/0x132 [ 1632.438695] [] ? arch_local_irq_restore+0x1b/0x1b [ 1632.488715] [] ubsan_epilogue+0x12/0x53 [ 1632.525263] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1632.587863] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1632.651930] [] ext4_fill_super+0x47fa/0xa2df [ 1632.702926] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1632.750419] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1632.800790] [] ? vsnprintf+0x1a0/0xa32 [ 1632.844648] [] ? pointer+0x7a9/0x7a9 [ 1632.891264] [] ? set_bdev_super+0x15d/0x15d [ 1632.945379] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1633.005211] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1633.063496] [] ? scnprintf+0xf3/0xf3 [ 1633.106649] [] mount_bdev+0x3cf/0x602 [ 1633.154987] [] ? mount_bdev+0x3cf/0x602 [ 1633.196698] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1633.256249] [] ext4_mount+0x3c/0x3e [ 1633.295228] [] mount_fs+0xd0/0x2ca [ 1633.338735] [] vfs_kern_mount+0xa0/0x20a [ 1633.387552] [] do_mount+0x11fe/0x19df [ 1633.432212] [] ? kasan_kmalloc+0x94/0xa3 [ 1633.477414] [] ? copy_mount_string+0x3d/0x3d [ 1633.527022] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1633.580223] [] ? __check_object_size+0x1e1/0x2b8 [ 1633.635962] [] ? 0xffffffffb1c002b8 [ 1633.678310] [] ? copy_mount_options+0x23d/0x24d [ 1633.724236] [] SyS_mount+0xa3/0xda [ 1633.768061] [] mount_block_root+0x2fc/0x650 [ 1633.812259] [] ? init_rootfs+0x99/0x99 [ 1633.862249] [] ? security_file_ioctl+0xa5/0xb4 [ 1633.923304] [] ? SyS_mknod+0x2f/0x36 [ 1633.969344] [] mount_root+0x45/0x48 [ 1634.010271] [] prepare_namespace+0x1cf/0x235 [ 1634.060182] [] kernel_init_freeable+0x4fa/0x518 [ 1634.112744] [] kernel_init+0x16/0x181 [ 1634.157767] [] ret_from_fork+0x1f/0x40 [ 1634.198978] [] ? rest_init+0x8f/0x8f [ 1634.243541] ================================================================================ [ 1634.308855] ================================================================================ [ 1634.391584] UBSAN: Undefined behaviour in fs/ext4/super.c:3801:28 [ 1634.474868] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1634.537198] which requires 64 byte alignment [ 1634.566633] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1634.614258] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1634.686735] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1634.747264] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1634.795012] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1634.867680] Call Trace: [ 1634.890140] [] dump_stack+0xd7/0x132 [ 1634.927453] [] ? arch_local_irq_restore+0x1b/0x1b [ 1634.984101] [] ubsan_epilogue+0x12/0x53 [ 1635.027529] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1635.085751] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1635.162718] [] ext4_fill_super+0x481a/0xa2df [ 1635.219325] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1635.272496] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1635.327070] [] ? vsnprintf+0x1a0/0xa32 [ 1635.373714] [] ? pointer+0x7a9/0x7a9 [ 1635.420903] [] ? set_bdev_super+0x15d/0x15d [ 1635.469711] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1635.531394] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1635.580252] [] ? scnprintf+0xf3/0xf3 [ 1635.623927] [] mount_bdev+0x3cf/0x602 [ 1635.662786] [] ? mount_bdev+0x3cf/0x602 [ 1635.699048] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1635.743807] [] ext4_mount+0x3c/0x3e [ 1635.774995] [] mount_fs+0xd0/0x2ca [ 1635.815320] [] vfs_kern_mount+0xa0/0x20a [ 1635.858092] [] do_mount+0x11fe/0x19df [ 1635.900870] [] ? kasan_kmalloc+0x94/0xa3 [ 1635.952083] [] ? copy_mount_string+0x3d/0x3d [ 1636.004048] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1636.069754] [] ? __check_object_size+0x1e1/0x2b8 [ 1636.124114] [] ? 0xffffffffb1c002b8 [ 1636.169120] [] ? copy_mount_options+0x23d/0x24d [ 1636.226585] [] SyS_mount+0xa3/0xda [ 1636.273318] [] mount_block_root+0x2fc/0x650 [ 1636.323669] [] ? init_rootfs+0x99/0x99 [ 1636.380041] [] ? security_file_ioctl+0xa5/0xb4 [ 1636.430322] [] ? SyS_mknod+0x2f/0x36 [ 1636.470464] [] mount_root+0x45/0x48 [ 1636.512033] [] prepare_namespace+0x1cf/0x235 [ 1636.560323] [] kernel_init_freeable+0x4fa/0x518 [ 1636.617523] [] kernel_init+0x16/0x181 [ 1636.661412] [] ret_from_fork+0x1f/0x40 [ 1636.705513] [] ? rest_init+0x8f/0x8f [ 1636.748358] ================================================================================ [ 1636.843580] ================================================================================ [ 1636.943252] UBSAN: Undefined behaviour in fs/ext4/super.c:3801:26 [ 1637.010449] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1637.108013] which requires 64 byte alignment [ 1637.154561] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1637.214194] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1637.353091] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1637.440674] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1637.507603] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1637.589731] Call Trace: [ 1637.606380] [] dump_stack+0xd7/0x132 [ 1637.647600] [] ? arch_local_irq_restore+0x1b/0x1b [ 1637.693008] [] ubsan_epilogue+0x12/0x53 [ 1637.724458] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1637.783873] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1637.859509] [] ext4_fill_super+0x487c/0xa2df [ 1637.953514] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1638.033103] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1638.160350] [] ? vsnprintf+0x1a0/0xa32 [ 1638.242986] [] ? pointer+0x7a9/0x7a9 [ 1638.315826] [] ? set_bdev_super+0x15d/0x15d [ 1638.381026] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1638.452586] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1638.591759] [] ? scnprintf+0xf3/0xf3 [ 1638.720399] [] mount_bdev+0x3cf/0x602 [ 1638.760913] [] ? mount_bdev+0x3cf/0x602 [ 1638.803111] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1638.862693] [] ext4_mount+0x3c/0x3e [ 1638.896145] [] mount_fs+0xd0/0x2ca [ 1638.932334] [] vfs_kern_mount+0xa0/0x20a [ 1638.973755] [] do_mount+0x11fe/0x19df [ 1639.012909] [] ? kasan_kmalloc+0x94/0xa3 [ 1639.057504] [] ? copy_mount_string+0x3d/0x3d [ 1639.096536] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1639.143692] [] ? __check_object_size+0x1e1/0x2b8 [ 1639.188842] [] ? 0xffffffffb1c002b8 [ 1639.224051] [] ? copy_mount_options+0x23d/0x24d [ 1639.271454] [] SyS_mount+0xa3/0xda [ 1639.308767] [] mount_block_root+0x2fc/0x650 [ 1639.353687] [] ? init_rootfs+0x99/0x99 [ 1639.398397] [] ? security_file_ioctl+0xa5/0xb4 [ 1639.454219] [] ? SyS_mknod+0x2f/0x36 [ 1639.510747] [] mount_root+0x45/0x48 [ 1639.565184] [] prepare_namespace+0x1cf/0x235 [ 1639.646594] [] kernel_init_freeable+0x4fa/0x518 [ 1639.740126] [] kernel_init+0x16/0x181 [ 1639.802385] [] ret_from_fork+0x1f/0x40 [ 1639.867625] [] ? rest_init+0x8f/0x8f [ 1639.950718] ================================================================================ [ 1640.085181] ================================================================================ [ 1640.164024] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1640.231960] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1640.327127] which requires 64 byte alignment [ 1640.375151] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1640.423994] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1640.500117] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1640.558838] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1640.612300] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1640.666839] Call Trace: [ 1640.683367] [] dump_stack+0xd7/0x132 [ 1640.722701] [] ? arch_local_irq_restore+0x1b/0x1b [ 1640.766992] [] ubsan_epilogue+0x12/0x53 [ 1640.811274] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1640.869733] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1640.925023] [] ext4_fill_super+0x48a3/0xa2df [ 1640.980457] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1641.037679] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1641.109275] [] ? vsnprintf+0x1a0/0xa32 [ 1641.161438] [] ? pointer+0x7a9/0x7a9 [ 1641.237206] [] ? set_bdev_super+0x15d/0x15d [ 1641.333079] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1641.431780] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1641.514659] [] ? scnprintf+0xf3/0xf3 [ 1641.580114] [] mount_bdev+0x3cf/0x602 [ 1641.644964] [] ? mount_bdev+0x3cf/0x602 [ 1641.706104] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1641.752178] [] ext4_mount+0x3c/0x3e [ 1641.802972] [] mount_fs+0xd0/0x2ca [ 1641.846644] [] vfs_kern_mount+0xa0/0x20a [ 1641.892079] [] do_mount+0x11fe/0x19df [ 1641.933635] [] ? kasan_kmalloc+0x94/0xa3 [ 1641.978556] [] ? copy_mount_string+0x3d/0x3d [ 1642.020337] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1642.065725] [] ? __check_object_size+0x1e1/0x2b8 [ 1642.127228] [] ? 0xffffffffb1c002b8 [ 1642.168676] [] ? copy_mount_options+0x23d/0x24d [ 1642.232556] [] SyS_mount+0xa3/0xda [ 1642.283673] [] mount_block_root+0x2fc/0x650 [ 1642.359881] [] ? init_rootfs+0x99/0x99 [ 1642.418862] [] ? security_file_ioctl+0xa5/0xb4 [ 1642.483310] [] ? SyS_mknod+0x2f/0x36 [ 1642.531440] [] mount_root+0x45/0x48 [ 1642.586410] [] prepare_namespace+0x1cf/0x235 [ 1642.639635] [] kernel_init_freeable+0x4fa/0x518 [ 1642.702200] [] kernel_init+0x16/0x181 [ 1642.759749] [] ret_from_fork+0x1f/0x40 [ 1642.812370] [] ? rest_init+0x8f/0x8f [ 1642.859337] ================================================================================ [ 1642.927340] ================================================================================ [ 1643.001445] UBSAN: Undefined behaviour in fs/ext4/super.c:3804:6 [ 1643.055892] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1643.143441] which requires 64 byte alignment [ 1643.183485] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1643.233233] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1643.315383] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1643.390101] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1643.456521] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1643.520311] Call Trace: [ 1643.539546] [] dump_stack+0xd7/0x132 [ 1643.584214] [] ? arch_local_irq_restore+0x1b/0x1b [ 1643.635700] [] ubsan_epilogue+0x12/0x53 [ 1643.679939] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1643.728433] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1643.780100] [] ext4_fill_super+0x48cf/0xa2df [ 1643.820670] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1643.868310] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1643.913664] [] ? vsnprintf+0x1a0/0xa32 [ 1643.956934] [] ? pointer+0x7a9/0x7a9 [ 1643.996356] [] ? set_bdev_super+0x15d/0x15d [ 1644.049315] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1644.111607] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1644.168462] [] ? scnprintf+0xf3/0xf3 [ 1644.215877] [] mount_bdev+0x3cf/0x602 [ 1644.263456] [] ? mount_bdev+0x3cf/0x602 [ 1644.313754] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1644.375108] [] ext4_mount+0x3c/0x3e [ 1644.423888] [] mount_fs+0xd0/0x2ca [ 1644.471874] [] vfs_kern_mount+0xa0/0x20a [ 1644.516726] [] do_mount+0x11fe/0x19df [ 1644.563450] [] ? kasan_kmalloc+0x94/0xa3 [ 1644.603493] [] ? copy_mount_string+0x3d/0x3d [ 1644.653510] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1644.704092] [] ? __check_object_size+0x1e1/0x2b8 [ 1644.760091] [] ? 0xffffffffb1c002b8 [ 1644.812095] [] ? copy_mount_options+0x23d/0x24d [ 1644.859559] [] SyS_mount+0xa3/0xda [ 1644.898044] [] mount_block_root+0x2fc/0x650 [ 1644.940944] [] ? init_rootfs+0x99/0x99 [ 1644.978311] [] ? security_file_ioctl+0xa5/0xb4 [ 1645.024428] [] ? SyS_mknod+0x2f/0x36 [ 1645.067001] [] mount_root+0x45/0x48 [ 1645.099289] [] prepare_namespace+0x1cf/0x235 [ 1645.146181] [] kernel_init_freeable+0x4fa/0x518 [ 1645.190683] [] kernel_init+0x16/0x181 [ 1645.230399] [] ret_from_fork+0x1f/0x40 [ 1645.266856] [] ? rest_init+0x8f/0x8f [ 1645.301032] ================================================================================ [ 1645.360660] ================================================================================ [ 1645.424212] UBSAN: Undefined behaviour in fs/ext4/super.c:3803:17 [ 1645.481152] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1645.552036] which requires 64 byte alignment [ 1645.594400] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1645.644692] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1645.733744] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1645.802680] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1645.857280] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1645.913015] Call Trace: [ 1645.931902] [] dump_stack+0xd7/0x132 [ 1645.963424] [] ? arch_local_irq_restore+0x1b/0x1b [ 1646.008701] [] ubsan_epilogue+0x12/0x53 [ 1646.048167] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1646.096500] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1646.149433] [] ext4_fill_super+0x48f6/0xa2df [ 1646.191380] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1646.228013] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1646.273457] [] ? vsnprintf+0x1a0/0xa32 [ 1646.316593] [] ? pointer+0x7a9/0x7a9 [ 1646.356532] [] ? set_bdev_super+0x15d/0x15d [ 1646.405798] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1646.466745] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1646.521221] [] ? scnprintf+0xf3/0xf3 [ 1646.563770] [] mount_bdev+0x3cf/0x602 [ 1646.610281] [] ? mount_bdev+0x3cf/0x602 [ 1646.659997] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1646.722659] [] ext4_mount+0x3c/0x3e [ 1646.769009] [] mount_fs+0xd0/0x2ca [ 1646.811763] [] vfs_kern_mount+0xa0/0x20a [ 1646.856857] [] do_mount+0x11fe/0x19df [ 1646.899567] [] ? kasan_kmalloc+0x94/0xa3 [ 1646.941661] [] ? copy_mount_string+0x3d/0x3d [ 1646.992563] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1647.043395] [] ? __check_object_size+0x1e1/0x2b8 [ 1647.094877] [] ? 0xffffffffb1c002b8 [ 1647.140511] [] ? copy_mount_options+0x23d/0x24d [ 1647.191706] [] SyS_mount+0xa3/0xda [ 1647.235825] [] mount_block_root+0x2fc/0x650 [ 1647.288071] [] ? init_rootfs+0x99/0x99 [ 1647.334383] [] ? security_file_ioctl+0xa5/0xb4 [ 1647.384911] [] ? SyS_mknod+0x2f/0x36 [ 1647.422572] [] mount_root+0x45/0x48 [ 1647.462028] [] prepare_namespace+0x1cf/0x235 [ 1647.505004] [] kernel_init_freeable+0x4fa/0x518 [ 1647.548342] [] kernel_init+0x16/0x181 [ 1647.587799] [] ret_from_fork+0x1f/0x40 [ 1647.627386] [] ? rest_init+0x8f/0x8f [ 1647.660663] ================================================================================ [ 1647.731304] ================================================================================ [ 1647.796529] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1647.846178] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1647.920178] which requires 64 byte alignment [ 1647.958117] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1648.004347] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1648.074942] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1648.126152] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1648.178830] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1648.227683] Call Trace: [ 1648.246362] [] dump_stack+0xd7/0x132 [ 1648.287159] [] ? arch_local_irq_restore+0x1b/0x1b [ 1648.340357] [] ubsan_epilogue+0x12/0x53 [ 1648.383969] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1648.441625] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1648.493184] [] ext4_fill_super+0x4924/0xa2df [ 1648.531793] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1648.580777] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1648.645128] [] ? vsnprintf+0x1a0/0xa32 [ 1648.682518] [] ? pointer+0x7a9/0x7a9 [ 1648.728188] [] ? set_bdev_super+0x15d/0x15d [ 1648.777399] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1648.832427] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1648.894463] [] ? scnprintf+0xf3/0xf3 [ 1648.933327] [] mount_bdev+0x3cf/0x602 [ 1648.968870] [] ? mount_bdev+0x3cf/0x602 [ 1649.008426] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1649.056666] [] ext4_mount+0x3c/0x3e [ 1649.092725] [] mount_fs+0xd0/0x2ca [ 1649.128495] [] vfs_kern_mount+0xa0/0x20a [ 1649.171162] [] do_mount+0x11fe/0x19df [ 1649.215856] [] ? kasan_kmalloc+0x94/0xa3 [ 1649.275000] [] ? copy_mount_string+0x3d/0x3d [ 1649.326683] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1649.384090] [] ? __check_object_size+0x1e1/0x2b8 [ 1649.431814] [] ? 0xffffffffb1c002b8 [ 1649.470633] [] ? copy_mount_options+0x23d/0x24d [ 1649.619758] [] SyS_mount+0xa3/0xda [ 1649.653630] [] mount_block_root+0x2fc/0x650 [ 1649.703694] [] ? init_rootfs+0x99/0x99 [ 1649.739653] [] ? security_file_ioctl+0xa5/0xb4 [ 1649.784258] [] ? SyS_mknod+0x2f/0x36 [ 1649.822433] [] mount_root+0x45/0x48 [ 1649.860928] [] prepare_namespace+0x1cf/0x235 [ 1649.899899] [] kernel_init_freeable+0x4fa/0x518 [ 1649.950224] [] kernel_init+0x16/0x181 [ 1649.989467] [] ret_from_fork+0x1f/0x40 [ 1650.030846] [] ? rest_init+0x8f/0x8f [ 1650.074610] ================================================================================ [ 1650.143180] ================================================================================ [ 1650.216076] UBSAN: Undefined behaviour in fs/ext4/super.c:3803:36 [ 1650.270313] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1650.359682] which requires 64 byte alignment [ 1650.398767] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1650.457654] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1650.539162] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1650.605413] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1650.663894] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1650.715070] Call Trace: [ 1650.735246] [] dump_stack+0xd7/0x132 [ 1650.769346] [] ? arch_local_irq_restore+0x1b/0x1b [ 1650.813548] [] ubsan_epilogue+0x12/0x53 [ 1650.851609] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1650.900358] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1650.951077] [] ext4_fill_super+0x493d/0xa2df [ 1650.987768] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1651.031351] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1651.070824] [] ? vsnprintf+0x1a0/0xa32 [ 1651.111170] [] ? pointer+0x7a9/0x7a9 [ 1651.148507] [] ? set_bdev_super+0x15d/0x15d [ 1651.188796] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1651.246788] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1651.308560] [] ? scnprintf+0xf3/0xf3 [ 1651.352558] [] mount_bdev+0x3cf/0x602 [ 1651.401372] [] ? mount_bdev+0x3cf/0x602 [ 1651.438444] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1651.484516] [] ext4_mount+0x3c/0x3e [ 1651.523241] [] mount_fs+0xd0/0x2ca [ 1651.557478] [] vfs_kern_mount+0xa0/0x20a [ 1651.597779] [] do_mount+0x11fe/0x19df [ 1651.632623] [] ? kasan_kmalloc+0x94/0xa3 [ 1651.680627] [] ? copy_mount_string+0x3d/0x3d [ 1651.727029] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1651.770790] [] ? __check_object_size+0x1e1/0x2b8 [ 1651.818897] [] ? 0xffffffffb1c002b8 [ 1651.848943] [] ? copy_mount_options+0x23d/0x24d [ 1651.940404] [] SyS_mount+0xa3/0xda [ 1651.988025] [] mount_block_root+0x2fc/0x650 [ 1652.034368] [] ? init_rootfs+0x99/0x99 [ 1652.079242] [] ? security_file_ioctl+0xa5/0xb4 [ 1652.127398] [] ? SyS_mknod+0x2f/0x36 [ 1652.163142] [] mount_root+0x45/0x48 [ 1652.200144] [] prepare_namespace+0x1cf/0x235 [ 1652.238364] [] kernel_init_freeable+0x4fa/0x518 [ 1652.287576] [] kernel_init+0x16/0x181 [ 1652.336585] [] ret_from_fork+0x1f/0x40 [ 1652.381725] [] ? rest_init+0x8f/0x8f [ 1652.430788] ================================================================================ [ 1652.514877] ================================================================================ [ 1652.600808] UBSAN: Undefined behaviour in fs/ext4/super.c:3805:20 [ 1652.660578] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1652.755685] which requires 64 byte alignment [ 1652.799718] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1652.849093] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1652.936773] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1653.001439] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1653.065126] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1653.129203] Call Trace: [ 1653.151758] [] dump_stack+0xd7/0x132 [ 1653.194640] [] ? arch_local_irq_restore+0x1b/0x1b [ 1653.236028] [] ubsan_epilogue+0x12/0x53 [ 1653.290306] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1653.348479] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1653.416882] [] ext4_fill_super+0x49af/0xa2df [ 1653.460926] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1653.501139] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1653.553658] [] ? vsnprintf+0x1a0/0xa32 [ 1653.598957] [] ? pointer+0x7a9/0x7a9 [ 1653.647728] [] ? set_bdev_super+0x15d/0x15d [ 1653.700690] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1653.764140] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1653.831805] [] ? scnprintf+0xf3/0xf3 [ 1653.886769] [] mount_bdev+0x3cf/0x602 [ 1653.942658] [] ? mount_bdev+0x3cf/0x602 [ 1654.001101] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1654.067185] [] ext4_mount+0x3c/0x3e [ 1654.114875] [] mount_fs+0xd0/0x2ca [ 1654.159308] [] vfs_kern_mount+0xa0/0x20a [ 1654.208706] [] do_mount+0x11fe/0x19df [ 1654.265288] [] ? kasan_kmalloc+0x94/0xa3 [ 1654.313515] [] ? copy_mount_string+0x3d/0x3d [ 1654.372061] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1654.423710] [] ? __check_object_size+0x1e1/0x2b8 [ 1654.476083] [] ? 0xffffffffb1c002b8 [ 1654.520347] [] ? copy_mount_options+0x23d/0x24d [ 1654.564080] [] SyS_mount+0xa3/0xda [ 1654.607272] [] mount_block_root+0x2fc/0x650 [ 1654.650340] [] ? init_rootfs+0x99/0x99 [ 1654.692372] [] ? security_file_ioctl+0xa5/0xb4 [ 1654.741434] [] ? SyS_mknod+0x2f/0x36 [ 1654.788274] [] mount_root+0x45/0x48 [ 1654.832356] [] prepare_namespace+0x1cf/0x235 [ 1654.890638] [] kernel_init_freeable+0x4fa/0x518 [ 1654.947012] [] kernel_init+0x16/0x181 [ 1655.005488] [] ret_from_fork+0x1f/0x40 [ 1655.061150] [] ? rest_init+0x8f/0x8f [ 1655.111483] ================================================================================ [ 1655.198817] ================================================================================ [ 1655.275270] UBSAN: Undefined behaviour in fs/ext4/super.c:3808:9 [ 1655.329015] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1655.412918] which requires 64 byte alignment [ 1655.454306] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1655.511264] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1655.598510] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1655.676747] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1655.748153] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1655.815410] Call Trace: [ 1655.837310] [] dump_stack+0xd7/0x132 [ 1655.889625] [] ? arch_local_irq_restore+0x1b/0x1b [ 1655.940445] [] ubsan_epilogue+0x12/0x53 [ 1655.984434] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1656.043163] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1656.107880] [] ext4_fill_super+0x49e0/0xa2df [ 1656.153685] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1656.198517] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1656.253717] [] ? vsnprintf+0x1a0/0xa32 [ 1656.299474] [] ? pointer+0x7a9/0x7a9 [ 1656.341011] [] ? set_bdev_super+0x15d/0x15d [ 1656.403083] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1656.467685] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1656.542777] [] ? scnprintf+0xf3/0xf3 [ 1656.601763] [] mount_bdev+0x3cf/0x602 [ 1656.659455] [] ? mount_bdev+0x3cf/0x602 [ 1656.711722] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1656.771335] [] ext4_mount+0x3c/0x3e [ 1656.817269] [] mount_fs+0xd0/0x2ca [ 1656.865111] [] vfs_kern_mount+0xa0/0x20a [ 1656.915839] [] do_mount+0x11fe/0x19df [ 1656.962944] [] ? kasan_kmalloc+0x94/0xa3 [ 1657.014510] [] ? copy_mount_string+0x3d/0x3d [ 1657.058322] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1657.104077] [] ? __check_object_size+0x1e1/0x2b8 [ 1657.152570] [] ? 0xffffffffb1c002b8 [ 1657.199138] [] ? copy_mount_options+0x23d/0x24d [ 1657.242705] [] SyS_mount+0xa3/0xda [ 1657.283638] [] mount_block_root+0x2fc/0x650 [ 1657.333635] [] ? init_rootfs+0x99/0x99 [ 1657.388504] [] ? security_file_ioctl+0xa5/0xb4 [ 1657.447800] [] ? SyS_mknod+0x2f/0x36 [ 1657.488450] [] mount_root+0x45/0x48 [ 1657.531835] [] prepare_namespace+0x1cf/0x235 [ 1657.573393] [] kernel_init_freeable+0x4fa/0x518 [ 1657.620246] [] kernel_init+0x16/0x181 [ 1657.669494] [] ret_from_fork+0x1f/0x40 [ 1657.709403] [] ? rest_init+0x8f/0x8f [ 1657.751216] ================================================================================ [ 1657.814767] ================================================================================ [ 1657.881324] UBSAN: Undefined behaviour in fs/ext4/super.c:3814:2 [ 1657.926295] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1658.007023] which requires 64 byte alignment [ 1658.040216] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1658.086378] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1658.159060] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1658.230335] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1658.291869] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1658.362841] Call Trace: [ 1658.384577] [] dump_stack+0xd7/0x132 [ 1658.433283] [] ? arch_local_irq_restore+0x1b/0x1b [ 1658.484613] [] ubsan_epilogue+0x12/0x53 [ 1658.531082] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1658.582947] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1658.642468] [] ext4_fill_super+0x4a29/0xa2df [ 1658.682356] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1658.735535] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1658.783947] [] ? vsnprintf+0x1a0/0xa32 [ 1658.834908] [] ? pointer+0x7a9/0x7a9 [ 1658.884380] [] ? set_bdev_super+0x15d/0x15d [ 1658.934564] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1659.001686] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1659.075333] [] ? scnprintf+0xf3/0xf3 [ 1659.131823] [] mount_bdev+0x3cf/0x602 [ 1659.186222] [] ? mount_bdev+0x3cf/0x602 [ 1659.241762] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1659.308599] [] ext4_mount+0x3c/0x3e [ 1659.360662] [] mount_fs+0xd0/0x2ca [ 1659.409135] [] vfs_kern_mount+0xa0/0x20a [ 1659.459080] [] do_mount+0x11fe/0x19df [ 1659.508698] [] ? kasan_kmalloc+0x94/0xa3 [ 1659.560496] [] ? copy_mount_string+0x3d/0x3d [ 1659.621018] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1659.686650] [] ? __check_object_size+0x1e1/0x2b8 [ 1659.751384] [] ? 0xffffffffb1c002b8 [ 1659.797706] [] ? copy_mount_options+0x23d/0x24d [ 1659.856059] [] SyS_mount+0xa3/0xda [ 1659.903184] [] mount_block_root+0x2fc/0x650 [ 1659.956875] [] ? init_rootfs+0x99/0x99 [ 1660.003036] [] ? security_file_ioctl+0xa5/0xb4 [ 1660.060586] [] ? SyS_mknod+0x2f/0x36 [ 1660.104894] [] mount_root+0x45/0x48 [ 1660.156180] [] prepare_namespace+0x1cf/0x235 [ 1660.215814] [] kernel_init_freeable+0x4fa/0x518 [ 1660.287679] [] kernel_init+0x16/0x181 [ 1660.337730] [] ret_from_fork+0x1f/0x40 [ 1660.385136] [] ? rest_init+0x8f/0x8f [ 1660.432101] ================================================================================ [ 1660.515405] ================================================================================ [ 1660.594310] UBSAN: Undefined behaviour in ./include/linux/blockgroup_lock.h:49:3 [ 1660.671678] member access within misaligned address ffff88005b2b2160 for type 'struct blockgroup_lock' [ 1660.771087] which requires 64 byte alignment [ 1660.811932] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1660.872010] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1660.949735] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1661.008981] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1661.065760] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1661.130732] Call Trace: [ 1661.151109] [] dump_stack+0xd7/0x132 [ 1661.192233] [] ? arch_local_irq_restore+0x1b/0x1b [ 1661.240920] [] ubsan_epilogue+0x12/0x53 [ 1661.287644] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1661.342373] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1661.408443] [] ext4_fill_super+0x4a7e/0xa2df [ 1661.456338] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1661.508423] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1661.562889] [] ? vsnprintf+0x1a0/0xa32 [ 1661.605267] [] ? pointer+0x7a9/0x7a9 [ 1661.643014] [] ? set_bdev_super+0x15d/0x15d [ 1661.694164] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1661.746930] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1661.807395] [] ? scnprintf+0xf3/0xf3 [ 1661.857470] [] mount_bdev+0x3cf/0x602 [ 1661.905267] [] ? mount_bdev+0x3cf/0x602 [ 1661.954630] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1662.018543] [] ext4_mount+0x3c/0x3e [ 1662.059265] [] mount_fs+0xd0/0x2ca [ 1662.120491] [] vfs_kern_mount+0xa0/0x20a [ 1662.170195] [] do_mount+0x11fe/0x19df [ 1662.207927] [] ? kasan_kmalloc+0x94/0xa3 [ 1662.249349] [] ? copy_mount_string+0x3d/0x3d [ 1662.289755] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1662.348379] [] ? __check_object_size+0x1e1/0x2b8 [ 1662.402596] [] ? 0xffffffffb1c002b8 [ 1662.439338] [] ? copy_mount_options+0x23d/0x24d [ 1662.488050] [] SyS_mount+0xa3/0xda [ 1662.527457] [] mount_block_root+0x2fc/0x650 [ 1662.574863] [] ? init_rootfs+0x99/0x99 [ 1662.621272] [] ? security_file_ioctl+0xa5/0xb4 [ 1662.673183] [] ? SyS_mknod+0x2f/0x36 [ 1662.706947] [] mount_root+0x45/0x48 [ 1662.749722] [] prepare_namespace+0x1cf/0x235 [ 1662.792614] [] kernel_init_freeable+0x4fa/0x518 [ 1662.837070] [] kernel_init+0x16/0x181 [ 1662.882892] [] ret_from_fork+0x1f/0x40 [ 1662.928075] [] ? rest_init+0x8f/0x8f [ 1662.963280] ================================================================================ [ 1663.025735] ================================================================================ [ 1663.104817] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1663.161259] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1663.233249] which requires 64 byte alignment [ 1663.264479] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1663.310461] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1663.401289] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1663.453055] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1663.512174] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1663.574632] Call Trace: [ 1663.598919] [] dump_stack+0xd7/0x132 [ 1663.641106] [] ? arch_local_irq_restore+0x1b/0x1b [ 1663.706540] [] ubsan_epilogue+0x12/0x53 [ 1663.759490] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1663.830582] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1663.899773] [] ext4_fill_super+0x4b04/0xa2df [ 1663.960204] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1664.022515] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1664.076995] [] ? vsnprintf+0x1a0/0xa32 [ 1664.128602] [] ? pointer+0x7a9/0x7a9 [ 1664.176072] [] ? set_bdev_super+0x15d/0x15d [ 1664.227387] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1664.284745] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1664.348348] [] ? scnprintf+0xf3/0xf3 [ 1664.401515] [] mount_bdev+0x3cf/0x602 [ 1664.451141] [] ? mount_bdev+0x3cf/0x602 [ 1664.504691] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1664.561218] [] ext4_mount+0x3c/0x3e [ 1664.612612] [] mount_fs+0xd0/0x2ca [ 1664.656342] [] vfs_kern_mount+0xa0/0x20a [ 1664.713718] [] do_mount+0x11fe/0x19df [ 1664.766602] [] ? kasan_kmalloc+0x94/0xa3 [ 1664.808980] [] ? copy_mount_string+0x3d/0x3d [ 1664.870736] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1664.924175] [] ? __check_object_size+0x1e1/0x2b8 [ 1664.983772] [] ? 0xffffffffb1c002b8 [ 1665.032698] [] ? copy_mount_options+0x23d/0x24d [ 1665.085410] [] SyS_mount+0xa3/0xda [ 1665.127857] [] mount_block_root+0x2fc/0x650 [ 1665.181014] [] ? init_rootfs+0x99/0x99 [ 1665.225638] [] ? security_file_ioctl+0xa5/0xb4 [ 1665.284754] [] ? SyS_mknod+0x2f/0x36 [ 1665.335201] [] mount_root+0x45/0x48 [ 1665.383798] [] prepare_namespace+0x1cf/0x235 [ 1665.437111] [] kernel_init_freeable+0x4fa/0x518 [ 1665.491147] [] kernel_init+0x16/0x181 [ 1665.534602] [] ret_from_fork+0x1f/0x40 [ 1665.579779] [] ? rest_init+0x8f/0x8f [ 1665.623471] ================================================================================ [ 1665.700667] ================================================================================ [ 1665.776309] UBSAN: Undefined behaviour in fs/ext4/super.c:2581:18 [ 1665.832405] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1665.927021] which requires 64 byte alignment [ 1665.967585] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1666.014558] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1666.085421] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1666.145652] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1666.210483] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1666.264927] Call Trace: [ 1666.284583] [] dump_stack+0xd7/0x132 [ 1666.338360] [] ? arch_local_irq_restore+0x1b/0x1b [ 1666.392108] [] ubsan_epilogue+0x12/0x53 [ 1666.441734] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1666.508945] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1666.580489] [] ext4_fill_super+0x4b30/0xa2df [ 1666.644673] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1666.699063] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1666.758917] [] ? vsnprintf+0x1a0/0xa32 [ 1666.811855] [] ? pointer+0x7a9/0x7a9 [ 1666.859089] [] ? set_bdev_super+0x15d/0x15d [ 1666.923182] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1666.993506] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1667.056439] [] ? scnprintf+0xf3/0xf3 [ 1667.103089] [] mount_bdev+0x3cf/0x602 [ 1667.152892] [] ? mount_bdev+0x3cf/0x602 [ 1667.201156] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1667.259008] [] ext4_mount+0x3c/0x3e [ 1667.302607] [] mount_fs+0xd0/0x2ca [ 1667.352527] [] vfs_kern_mount+0xa0/0x20a [ 1667.403911] [] do_mount+0x11fe/0x19df [ 1667.451665] [] ? kasan_kmalloc+0x94/0xa3 [ 1667.504473] [] ? copy_mount_string+0x3d/0x3d [ 1667.563821] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1667.615476] [] ? __check_object_size+0x1e1/0x2b8 [ 1667.672363] [] ? 0xffffffffb1c002b8 [ 1667.727183] [] ? copy_mount_options+0x23d/0x24d [ 1667.784637] [] SyS_mount+0xa3/0xda [ 1667.829228] [] mount_block_root+0x2fc/0x650 [ 1667.890605] [] ? init_rootfs+0x99/0x99 [ 1667.929411] [] ? security_file_ioctl+0xa5/0xb4 [ 1667.982669] [] ? SyS_mknod+0x2f/0x36 [ 1668.023755] [] mount_root+0x45/0x48 [ 1668.070239] [] prepare_namespace+0x1cf/0x235 [ 1668.122505] [] kernel_init_freeable+0x4fa/0x518 [ 1668.172212] [] kernel_init+0x16/0x181 [ 1668.209475] [] ret_from_fork+0x1f/0x40 [ 1668.255910] [] ? rest_init+0x8f/0x8f [ 1668.301622] ================================================================================ [ 1668.382947] ================================================================================ [ 1668.456356] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1668.497510] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1668.571957] which requires 64 byte alignment [ 1668.604029] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1668.655133] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1668.730976] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1668.796238] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1668.863274] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1668.946284] Call Trace: [ 1668.960505] [] dump_stack+0xd7/0x132 [ 1669.007105] [] ? arch_local_irq_restore+0x1b/0x1b [ 1669.068064] [] ubsan_epilogue+0x12/0x53 [ 1669.176689] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1669.231018] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1669.285155] [] ext4_fill_super+0x4b90/0xa2df [ 1669.343673] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1669.404260] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1669.477768] [] ? vsnprintf+0x1a0/0xa32 [ 1669.531195] [] ? pointer+0x7a9/0x7a9 [ 1669.587142] [] ? set_bdev_super+0x15d/0x15d [ 1669.663662] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1669.727160] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1669.798275] [] ? scnprintf+0xf3/0xf3 [ 1669.848270] [] mount_bdev+0x3cf/0x602 [ 1669.902975] [] ? mount_bdev+0x3cf/0x602 [ 1669.956991] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1670.017498] [] ext4_mount+0x3c/0x3e [ 1670.055619] [] mount_fs+0xd0/0x2ca [ 1670.097206] [] vfs_kern_mount+0xa0/0x20a [ 1670.142322] [] do_mount+0x11fe/0x19df [ 1670.181721] [] ? kasan_kmalloc+0x94/0xa3 [ 1670.228708] [] ? copy_mount_string+0x3d/0x3d [ 1670.276829] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1670.327976] [] ? __check_object_size+0x1e1/0x2b8 [ 1670.377717] [] ? 0xffffffffb1c002b8 [ 1670.422729] [] ? copy_mount_options+0x23d/0x24d [ 1670.480401] [] SyS_mount+0xa3/0xda [ 1670.529751] [] mount_block_root+0x2fc/0x650 [ 1670.587485] [] ? init_rootfs+0x99/0x99 [ 1670.635898] [] ? security_file_ioctl+0xa5/0xb4 [ 1670.688125] [] ? SyS_mknod+0x2f/0x36 [ 1670.729164] [] mount_root+0x45/0x48 [ 1670.772234] [] prepare_namespace+0x1cf/0x235 [ 1670.819729] [] kernel_init_freeable+0x4fa/0x518 [ 1670.865543] [] kernel_init+0x16/0x181 [ 1670.904591] [] ret_from_fork+0x1f/0x40 [ 1670.945758] [] ? rest_init+0x8f/0x8f [ 1670.985344] ================================================================================ [ 1671.053683] ================================================================================ [ 1671.132427] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1779:1 [ 1671.180137] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1671.263943] which requires 64 byte alignment [ 1671.310411] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1671.363232] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1671.459439] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1671.520945] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1671.588034] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1671.666395] Call Trace: [ 1671.690730] [] dump_stack+0xd7/0x132 [ 1671.739372] [] ? arch_local_irq_restore+0x1b/0x1b [ 1671.796362] [] ubsan_epilogue+0x12/0x53 [ 1671.845732] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1671.909757] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1671.977204] [] ext4_fill_super+0x4ba9/0xa2df [ 1672.031250] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1672.088422] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1672.155395] [] ? vsnprintf+0x1a0/0xa32 [ 1672.205743] [] ? pointer+0x7a9/0x7a9 [ 1672.252495] [] ? set_bdev_super+0x15d/0x15d [ 1672.304660] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1672.368901] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1672.434463] [] ? scnprintf+0xf3/0xf3 [ 1672.484538] [] mount_bdev+0x3cf/0x602 [ 1672.529260] [] ? mount_bdev+0x3cf/0x602 [ 1672.579515] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1672.643033] [] ext4_mount+0x3c/0x3e [ 1672.696471] [] mount_fs+0xd0/0x2ca [ 1672.736244] [] vfs_kern_mount+0xa0/0x20a [ 1672.787719] [] do_mount+0x11fe/0x19df [ 1672.832277] [] ? kasan_kmalloc+0x94/0xa3 [ 1672.883478] [] ? copy_mount_string+0x3d/0x3d [ 1672.940666] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1673.000633] [] ? __check_object_size+0x1e1/0x2b8 [ 1673.056211] [] ? 0xffffffffb1c002b8 [ 1673.109432] [] ? copy_mount_options+0x23d/0x24d [ 1673.167393] [] SyS_mount+0xa3/0xda [ 1673.217700] [] mount_block_root+0x2fc/0x650 [ 1673.273063] [] ? init_rootfs+0x99/0x99 [ 1673.323323] [] ? security_file_ioctl+0xa5/0xb4 [ 1673.372353] [] ? SyS_mknod+0x2f/0x36 [ 1673.418416] [] mount_root+0x45/0x48 [ 1673.469753] [] prepare_namespace+0x1cf/0x235 [ 1673.522556] [] kernel_init_freeable+0x4fa/0x518 [ 1673.580877] [] kernel_init+0x16/0x181 [ 1673.631542] [] ret_from_fork+0x1f/0x40 [ 1673.685062] [] ? rest_init+0x8f/0x8f [ 1673.727869] ================================================================================ [ 1673.805196] ================================================================================ [ 1673.883984] UBSAN: Undefined behaviour in fs/ext4/super.c:3818:6 [ 1673.943233] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1674.023862] which requires 64 byte alignment [ 1674.061110] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1674.116029] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1674.200639] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1674.272128] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1674.345558] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1674.406932] Call Trace: [ 1674.429665] [] dump_stack+0xd7/0x132 [ 1674.478648] [] ? arch_local_irq_restore+0x1b/0x1b [ 1674.533519] [] ubsan_epilogue+0x12/0x53 [ 1674.583424] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1674.648121] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1674.709470] [] ext4_fill_super+0x4e28/0xa2df [ 1674.762521] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1674.821437] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1674.883245] [] ? vsnprintf+0x1a0/0xa32 [ 1674.932227] [] ? pointer+0x7a9/0x7a9 [ 1674.979738] [] ? set_bdev_super+0x15d/0x15d [ 1675.036223] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1675.109133] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1675.171376] [] ? scnprintf+0xf3/0xf3 [ 1675.217058] [] mount_bdev+0x3cf/0x602 [ 1675.264181] [] ? mount_bdev+0x3cf/0x602 [ 1675.320325] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1675.379113] [] ext4_mount+0x3c/0x3e [ 1675.426907] [] mount_fs+0xd0/0x2ca [ 1675.472984] [] vfs_kern_mount+0xa0/0x20a [ 1675.523334] [] do_mount+0x11fe/0x19df [ 1675.560521] [] ? kasan_kmalloc+0x94/0xa3 [ 1675.602987] [] ? copy_mount_string+0x3d/0x3d [ 1675.648858] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1675.697418] [] ? __check_object_size+0x1e1/0x2b8 [ 1675.748249] [] ? 0xffffffffb1c002b8 [ 1675.793236] [] ? copy_mount_options+0x23d/0x24d [ 1675.838784] [] SyS_mount+0xa3/0xda [ 1675.881625] [] mount_block_root+0x2fc/0x650 [ 1675.931761] [] ? init_rootfs+0x99/0x99 [ 1675.982950] [] ? security_file_ioctl+0xa5/0xb4 [ 1676.041156] [] ? SyS_mknod+0x2f/0x36 [ 1676.091365] [] mount_root+0x45/0x48 [ 1676.140193] [] prepare_namespace+0x1cf/0x235 [ 1676.196612] [] kernel_init_freeable+0x4fa/0x518 [ 1676.255999] [] kernel_init+0x16/0x181 [ 1676.308036] [] ret_from_fork+0x1f/0x40 [ 1676.363871] [] ? rest_init+0x8f/0x8f [ 1676.413588] ================================================================================ [ 1676.487300] ================================================================================ [ 1676.568399] UBSAN: Undefined behaviour in ./include/linux/buffer_head.h:307:42 [ 1676.635226] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1676.720937] which requires 64 byte alignment [ 1676.757598] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1676.819044] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1676.899530] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1676.972914] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1677.046728] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1677.100004] Call Trace: [ 1677.120294] [] dump_stack+0xd7/0x132 [ 1677.154947] [] ? arch_local_irq_restore+0x1b/0x1b [ 1677.200732] [] ubsan_epilogue+0x12/0x53 [ 1677.247725] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1677.300434] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1677.362874] [] ext4_fill_super+0x4e5f/0xa2df [ 1677.405726] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1677.456944] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1677.524235] [] ? vsnprintf+0x1a0/0xa32 [ 1677.573586] [] ? pointer+0x7a9/0x7a9 [ 1677.620980] [] ? set_bdev_super+0x15d/0x15d [ 1677.674444] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1677.748089] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1677.814596] [] ? scnprintf+0xf3/0xf3 [ 1677.857018] [] mount_bdev+0x3cf/0x602 [ 1677.893484] [] ? mount_bdev+0x3cf/0x602 [ 1677.936902] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1677.996127] [] ext4_mount+0x3c/0x3e [ 1678.036437] [] mount_fs+0xd0/0x2ca [ 1678.076974] [] vfs_kern_mount+0xa0/0x20a [ 1678.123944] [] do_mount+0x11fe/0x19df [ 1678.172223] [] ? kasan_kmalloc+0x94/0xa3 [ 1678.224090] [] ? copy_mount_string+0x3d/0x3d [ 1678.271855] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1678.336551] [] ? __check_object_size+0x1e1/0x2b8 [ 1678.394422] [] ? 0xffffffffb1c002b8 [ 1678.445554] [] ? copy_mount_options+0x23d/0x24d [ 1678.515313] [] SyS_mount+0xa3/0xda [ 1678.553317] [] mount_block_root+0x2fc/0x650 [ 1678.599578] [] ? init_rootfs+0x99/0x99 [ 1678.640442] [] ? security_file_ioctl+0xa5/0xb4 [ 1678.682407] [] ? SyS_mknod+0x2f/0x36 [ 1678.727966] [] mount_root+0x45/0x48 [ 1678.767815] [] prepare_namespace+0x1cf/0x235 [ 1678.819201] [] kernel_init_freeable+0x4fa/0x518 [ 1678.869776] [] kernel_init+0x16/0x181 [ 1678.921203] [] ret_from_fork+0x1f/0x40 [ 1678.972622] [] ? rest_init+0x8f/0x8f [ 1679.020870] ================================================================================ [ 1679.097745] ================================================================================ [ 1679.176661] UBSAN: Undefined behaviour in ./include/linux/buffer_head.h:307:9 [ 1679.253093] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1679.330650] which requires 64 byte alignment [ 1679.364626] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1679.409108] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1679.477553] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1679.542560] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1679.606961] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1679.675310] Call Trace: [ 1679.697201] [] dump_stack+0xd7/0x132 [ 1679.743895] [] ? arch_local_irq_restore+0x1b/0x1b [ 1679.811892] [] ubsan_epilogue+0x12/0x53 [ 1679.862633] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1679.916240] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1679.971130] [] ext4_fill_super+0x4e94/0xa2df [ 1680.017781] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1680.059937] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1680.117062] [] ? vsnprintf+0x1a0/0xa32 [ 1680.154482] [] ? pointer+0x7a9/0x7a9 [ 1680.200449] [] ? set_bdev_super+0x15d/0x15d [ 1680.255966] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1680.326552] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1680.397293] [] ? scnprintf+0xf3/0xf3 [ 1680.447398] [] mount_bdev+0x3cf/0x602 [ 1680.516600] [] ? mount_bdev+0x3cf/0x602 [ 1680.568114] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1680.625794] [] ext4_mount+0x3c/0x3e [ 1680.673204] [] mount_fs+0xd0/0x2ca [ 1680.724463] [] vfs_kern_mount+0xa0/0x20a [ 1680.773536] [] do_mount+0x11fe/0x19df [ 1680.811975] [] ? kasan_kmalloc+0x94/0xa3 [ 1680.853270] [] ? copy_mount_string+0x3d/0x3d [ 1680.900545] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1680.949546] [] ? __check_object_size+0x1e1/0x2b8 [ 1680.996424] [] ? 0xffffffffb1c002b8 [ 1681.043036] [] ? copy_mount_options+0x23d/0x24d [ 1681.096016] [] SyS_mount+0xa3/0xda [ 1681.142404] [] mount_block_root+0x2fc/0x650 [ 1681.189053] [] ? init_rootfs+0x99/0x99 [ 1681.243664] [] ? security_file_ioctl+0xa5/0xb4 [ 1681.291258] [] ? SyS_mknod+0x2f/0x36 [ 1681.340739] [] mount_root+0x45/0x48 [ 1681.386810] [] prepare_namespace+0x1cf/0x235 [ 1681.447937] [] kernel_init_freeable+0x4fa/0x518 [ 1681.516427] [] kernel_init+0x16/0x181 [ 1681.570461] [] ret_from_fork+0x1f/0x40 [ 1681.616795] [] ? rest_init+0x8f/0x8f [ 1681.660035] ================================================================================ [ 1681.762532] ================================================================================ [ 1681.827076] UBSAN: Undefined behaviour in fs/ext4/super.c:3819:11 [ 1681.878318] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1681.959529] which requires 64 byte alignment [ 1681.995387] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1682.044087] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1682.123231] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1682.190545] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1682.252001] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1682.312565] Call Trace: [ 1682.334540] [] dump_stack+0xd7/0x132 [ 1682.383176] [] ? arch_local_irq_restore+0x1b/0x1b [ 1682.433692] [] ubsan_epilogue+0x12/0x53 [ 1682.478538] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1682.543545] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1682.599948] [] ext4_fill_super+0x4efa/0xa2df [ 1682.644842] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1682.693590] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1682.748985] [] ? vsnprintf+0x1a0/0xa32 [ 1682.803632] [] ? pointer+0x7a9/0x7a9 [ 1682.848541] [] ? set_bdev_super+0x15d/0x15d [ 1682.899786] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1682.967554] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1683.029681] [] ? scnprintf+0xf3/0xf3 [ 1683.065312] [] mount_bdev+0x3cf/0x602 [ 1683.099393] [] ? mount_bdev+0x3cf/0x602 [ 1683.138424] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1683.194461] [] ext4_mount+0x3c/0x3e [ 1683.229169] [] mount_fs+0xd0/0x2ca [ 1683.263304] [] vfs_kern_mount+0xa0/0x20a [ 1683.303502] [] do_mount+0x11fe/0x19df [ 1683.342092] [] ? kasan_kmalloc+0x94/0xa3 [ 1683.388464] [] ? copy_mount_string+0x3d/0x3d [ 1683.448145] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1683.495828] [] ? __check_object_size+0x1e1/0x2b8 [ 1683.551689] [] ? 0xffffffffb1c002b8 [ 1683.588243] [] ? copy_mount_options+0x23d/0x24d [ 1683.633513] [] SyS_mount+0xa3/0xda [ 1683.668724] [] mount_block_root+0x2fc/0x650 [ 1683.711405] [] ? init_rootfs+0x99/0x99 [ 1683.748510] [] ? security_file_ioctl+0xa5/0xb4 [ 1683.786594] [] ? SyS_mknod+0x2f/0x36 [ 1683.825145] [] mount_root+0x45/0x48 [ 1683.858177] [] prepare_namespace+0x1cf/0x235 [ 1683.902703] [] kernel_init_freeable+0x4fa/0x518 [ 1683.948613] [] kernel_init+0x16/0x181 [ 1683.980460] [] ret_from_fork+0x1f/0x40 [ 1684.021226] [] ? rest_init+0x8f/0x8f [ 1684.064456] ================================================================================ [ 1684.120033] ================================================================================ [ 1684.183775] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1684.231754] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1684.303062] which requires 64 byte alignment [ 1684.339082] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1684.386355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1684.471110] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1684.545126] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1684.614730] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1684.677575] Call Trace: [ 1684.698043] [] dump_stack+0xd7/0x132 [ 1684.742944] [] ? arch_local_irq_restore+0x1b/0x1b [ 1684.795922] [] ubsan_epilogue+0x12/0x53 [ 1684.831185] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1684.875990] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1684.928611] [] ext4_fill_super+0x4f9c/0xa2df [ 1684.970732] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1685.016513] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1685.057338] [] ? vsnprintf+0x1a0/0xa32 [ 1685.092519] [] ? pointer+0x7a9/0x7a9 [ 1685.130540] [] ? set_bdev_super+0x15d/0x15d [ 1685.171800] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1685.225666] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1685.287881] [] ? scnprintf+0xf3/0xf3 [ 1685.326587] [] mount_bdev+0x3cf/0x602 [ 1685.366626] [] ? mount_bdev+0x3cf/0x602 [ 1685.406380] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1685.452141] [] ext4_mount+0x3c/0x3e [ 1685.490142] [] mount_fs+0xd0/0x2ca [ 1685.528759] [] vfs_kern_mount+0xa0/0x20a [ 1685.571812] [] do_mount+0x11fe/0x19df [ 1685.614532] [] ? kasan_kmalloc+0x94/0xa3 [ 1685.656210] [] ? copy_mount_string+0x3d/0x3d [ 1685.711622] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1685.763633] [] ? __check_object_size+0x1e1/0x2b8 [ 1685.817124] [] ? 0xffffffffb1c002b8 [ 1685.862554] [] ? copy_mount_options+0x23d/0x24d [ 1685.914615] [] SyS_mount+0xa3/0xda [ 1685.964207] [] mount_block_root+0x2fc/0x650 [ 1686.019108] [] ? init_rootfs+0x99/0x99 [ 1686.063809] [] ? security_file_ioctl+0xa5/0xb4 [ 1686.105933] [] ? SyS_mknod+0x2f/0x36 [ 1686.156564] [] mount_root+0x45/0x48 [ 1686.225570] [] prepare_namespace+0x1cf/0x235 [ 1686.340961] [] kernel_init_freeable+0x4fa/0x518 [ 1686.498908] [] kernel_init+0x16/0x181 [ 1686.596625] [] ret_from_fork+0x1f/0x40 [ 1686.637699] [] ? rest_init+0x8f/0x8f [ 1686.685439] ================================================================================ [ 1686.765062] ================================================================================ [ 1686.834393] UBSAN: Undefined behaviour in fs/ext4/super.c:2243:29 [ 1686.885842] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1686.953230] which requires 64 byte alignment [ 1686.988614] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1687.041186] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1687.094874] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1687.154895] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1687.203726] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1687.255984] Call Trace: [ 1687.273440] [] dump_stack+0xd7/0x132 [ 1687.308678] [] ? arch_local_irq_restore+0x1b/0x1b [ 1687.361352] [] ubsan_epilogue+0x12/0x53 [ 1687.396479] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1687.452442] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1687.516968] [] ext4_fill_super+0x4fc8/0xa2df [ 1687.569874] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1687.618530] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1687.673327] [] ? vsnprintf+0x1a0/0xa32 [ 1687.726321] [] ? pointer+0x7a9/0x7a9 [ 1687.776238] [] ? set_bdev_super+0x15d/0x15d [ 1687.826164] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1687.887601] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1687.952374] [] ? scnprintf+0xf3/0xf3 [ 1687.994131] [] mount_bdev+0x3cf/0x602 [ 1688.039977] [] ? mount_bdev+0x3cf/0x602 [ 1688.075674] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1688.118509] [] ext4_mount+0x3c/0x3e [ 1688.155986] [] mount_fs+0xd0/0x2ca [ 1688.193378] [] vfs_kern_mount+0xa0/0x20a [ 1688.235390] [] do_mount+0x11fe/0x19df [ 1688.269385] [] ? kasan_kmalloc+0x94/0xa3 [ 1688.312210] [] ? copy_mount_string+0x3d/0x3d [ 1688.349348] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1688.392109] [] ? __check_object_size+0x1e1/0x2b8 [ 1688.445349] [] ? 0xffffffffb1c002b8 [ 1688.485106] [] ? copy_mount_options+0x23d/0x24d [ 1688.538142] [] SyS_mount+0xa3/0xda [ 1688.579699] [] mount_block_root+0x2fc/0x650 [ 1688.619251] [] ? init_rootfs+0x99/0x99 [ 1688.667106] [] ? security_file_ioctl+0xa5/0xb4 [ 1688.725121] [] ? SyS_mknod+0x2f/0x36 [ 1688.771873] [] mount_root+0x45/0x48 [ 1688.817879] [] prepare_namespace+0x1cf/0x235 [ 1688.868829] [] kernel_init_freeable+0x4fa/0x518 [ 1688.921185] [] kernel_init+0x16/0x181 [ 1688.963272] [] ret_from_fork+0x1f/0x40 [ 1689.007220] [] ? rest_init+0x8f/0x8f [ 1689.047835] ================================================================================ [ 1689.123365] ================================================================================ [ 1689.191723] UBSAN: Undefined behaviour in fs/ext4/super.c:2249:18 [ 1689.241286] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1689.319413] which requires 64 byte alignment [ 1689.353317] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1689.403958] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1689.481820] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1689.540315] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1689.601832] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1689.668095] Call Trace: [ 1689.688531] [] dump_stack+0xd7/0x132 [ 1689.735639] [] ? arch_local_irq_restore+0x1b/0x1b [ 1689.788269] [] ubsan_epilogue+0x12/0x53 [ 1689.832905] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1689.889216] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1689.945834] [] ext4_fill_super+0x5028/0xa2df [ 1689.993427] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1690.043395] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1690.094896] [] ? vsnprintf+0x1a0/0xa32 [ 1690.144253] [] ? pointer+0x7a9/0x7a9 [ 1690.187997] [] ? set_bdev_super+0x15d/0x15d [ 1690.240037] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1690.302279] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1690.357259] [] ? scnprintf+0xf3/0xf3 [ 1690.403327] [] mount_bdev+0x3cf/0x602 [ 1690.447142] [] ? mount_bdev+0x3cf/0x602 [ 1690.489422] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1690.541216] [] ext4_mount+0x3c/0x3e [ 1690.582941] [] mount_fs+0xd0/0x2ca [ 1690.619337] [] vfs_kern_mount+0xa0/0x20a [ 1690.668100] [] do_mount+0x11fe/0x19df [ 1690.714107] [] ? kasan_kmalloc+0x94/0xa3 [ 1690.762198] [] ? copy_mount_string+0x3d/0x3d [ 1690.812993] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1690.859476] [] ? __check_object_size+0x1e1/0x2b8 [ 1690.910728] [] ? 0xffffffffb1c002b8 [ 1690.961307] [] ? copy_mount_options+0x23d/0x24d [ 1691.010406] [] SyS_mount+0xa3/0xda [ 1691.052041] [] mount_block_root+0x2fc/0x650 [ 1691.095868] [] ? init_rootfs+0x99/0x99 [ 1691.142688] [] ? security_file_ioctl+0xa5/0xb4 [ 1691.189278] [] ? SyS_mknod+0x2f/0x36 [ 1691.229059] [] mount_root+0x45/0x48 [ 1691.268598] [] prepare_namespace+0x1cf/0x235 [ 1691.313571] [] kernel_init_freeable+0x4fa/0x518 [ 1691.365052] [] kernel_init+0x16/0x181 [ 1691.403315] [] ret_from_fork+0x1f/0x40 [ 1691.456861] [] ? rest_init+0x8f/0x8f [ 1691.496472] ================================================================================ [ 1691.560170] ================================================================================ [ 1691.629018] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1691.676016] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1691.750564] which requires 64 byte alignment [ 1691.787887] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1691.836465] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1691.913116] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1691.976006] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1692.038729] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1692.099799] Call Trace: [ 1692.118779] [] dump_stack+0xd7/0x132 [ 1692.155867] [] ? arch_local_irq_restore+0x1b/0x1b [ 1692.213675] [] ubsan_epilogue+0x12/0x53 [ 1692.253593] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1692.309823] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1692.371808] [] ext4_fill_super+0x505e/0xa2df [ 1692.418283] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1692.470055] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1692.531376] [] ? vsnprintf+0x1a0/0xa32 [ 1692.569198] [] ? pointer+0x7a9/0x7a9 [ 1692.612324] [] ? set_bdev_super+0x15d/0x15d [ 1692.664656] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1692.724307] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1692.787438] [] ? scnprintf+0xf3/0xf3 [ 1692.823187] [] mount_bdev+0x3cf/0x602 [ 1692.859916] [] ? mount_bdev+0x3cf/0x602 [ 1692.896694] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1692.952185] [] ext4_mount+0x3c/0x3e [ 1692.990186] [] mount_fs+0xd0/0x2ca [ 1693.022992] [] vfs_kern_mount+0xa0/0x20a [ 1693.061894] [] do_mount+0x11fe/0x19df [ 1693.102107] [] ? kasan_kmalloc+0x94/0xa3 [ 1693.135099] [] ? copy_mount_string+0x3d/0x3d [ 1693.180813] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1693.229968] [] ? __check_object_size+0x1e1/0x2b8 [ 1693.282483] [] ? 0xffffffffb1c002b8 [ 1693.320993] [] ? copy_mount_options+0x23d/0x24d [ 1693.379514] [] SyS_mount+0xa3/0xda [ 1693.414422] [] mount_block_root+0x2fc/0x650 [ 1693.467859] [] ? init_rootfs+0x99/0x99 [ 1693.518924] [] ? security_file_ioctl+0xa5/0xb4 [ 1693.575217] [] ? SyS_mknod+0x2f/0x36 [ 1693.622008] [] mount_root+0x45/0x48 [ 1693.669509] [] prepare_namespace+0x1cf/0x235 [ 1693.716821] [] kernel_init_freeable+0x4fa/0x518 [ 1693.765805] [] kernel_init+0x16/0x181 [ 1693.808860] [] ret_from_fork+0x1f/0x40 [ 1693.853891] [] ? rest_init+0x8f/0x8f [ 1693.899424] ================================================================================ [ 1693.969565] ================================================================================ [ 1694.038151] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1783:1 [ 1694.087558] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1694.159869] which requires 64 byte alignment [ 1694.190957] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1694.242484] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1694.318576] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1694.384401] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1694.439377] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1694.487832] Call Trace: [ 1694.504709] [] dump_stack+0xd7/0x132 [ 1694.542397] [] ? arch_local_irq_restore+0x1b/0x1b [ 1694.583919] [] ubsan_epilogue+0x12/0x53 [ 1694.620434] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1694.665530] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1694.724973] [] ext4_fill_super+0x5077/0xa2df [ 1694.767838] [] ? bdev_name.isra.4+0x1c9/0x1d9 [ 1694.952119] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1694.999615] [] ? vsnprintf+0x1a0/0xa32 [ 1695.038688] [] ? pointer+0x7a9/0x7a9 [ 1695.072544] [] ? set_bdev_super+0x15d/0x15d [ 1695.135229] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1695.183927] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1695.235692] [] ? scnprintf+0xf3/0xf3 [ 1695.270498] [] mount_bdev+0x3cf/0x602 [ 1695.310405] [] ? mount_bdev+0x3cf/0x602 [ 1695.350720] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1695.396436] [] ext4_mount+0x3c/0x3e [ 1695.439662] [] mount_fs+0xd0/0x2ca [ 1695.477821] [] vfs_kern_mount+0xa0/0x20a [ 1695.524296] [] do_mount+0x11fe/0x19df [ 1695.565994] [] ? kasan_kmalloc+0x94/0xa3 [ 1695.614169] [] ? copy_mount_string+0x3d/0x3d [ 1695.665025] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1695.715945] [] ? __check_object_size+0x1e1/0x2b8 [ 1695.778721] [] ? 0xffffffffb1c002b8 [ 1695.822109] [] ? copy_mount_options+0x23d/0x24d [ 1695.871864] [] SyS_mount+0xa3/0xda [ 1695.915355] [] mount_block_root+0x2fc/0x650 [ 1695.966955] [] ? init_rootfs+0x99/0x99 [ 1696.010577] [] ? security_file_ioctl+0xa5/0xb4 [ 1696.058900] [] ? SyS_mknod+0x2f/0x36 [ 1696.099692] [] mount_root+0x45/0x48 [ 1696.144836] [] prepare_namespace+0x1cf/0x235 [ 1696.192034] [] kernel_init_freeable+0x4fa/0x518 [ 1696.238393] [] kernel_init+0x16/0x181 [ 1696.273080] [] ret_from_fork+0x1f/0x40 [ 1696.307530] [] ? rest_init+0x8f/0x8f [ 1696.350359] ================================================================================ [ 1696.407442] ================================================================================ [ 1696.463355] UBSAN: Undefined behaviour in fs/ext4/super.c:2256:21 [ 1696.505546] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1696.572096] which requires 64 byte alignment [ 1696.607443] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1696.667686] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1696.749870] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1696.811877] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1696.892536] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1696.968277] Call Trace: [ 1696.991715] [] dump_stack+0xd7/0x132 [ 1697.039425] [] ? arch_local_irq_restore+0x1b/0x1b [ 1697.090795] [] ubsan_epilogue+0x12/0x53 [ 1697.141517] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1697.187279] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1697.235699] [] ext4_fill_super+0x50ec/0xa2df [ 1697.279360] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1697.321607] [] ? vsnprintf+0x1a0/0xa32 [ 1697.358340] [] ? pointer+0x7a9/0x7a9 [ 1697.395595] [] ? set_bdev_super+0x15d/0x15d [ 1697.439750] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1697.493643] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1697.543753] [] ? scnprintf+0xf3/0xf3 [ 1697.584385] [] mount_bdev+0x3cf/0x602 [ 1697.622740] [] ? mount_bdev+0x3cf/0x602 [ 1697.655164] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1697.707075] [] ext4_mount+0x3c/0x3e [ 1697.746681] [] mount_fs+0xd0/0x2ca [ 1697.784856] [] vfs_kern_mount+0xa0/0x20a [ 1697.823229] [] do_mount+0x11fe/0x19df [ 1697.865238] [] ? kasan_kmalloc+0x94/0xa3 [ 1697.905805] [] ? copy_mount_string+0x3d/0x3d [ 1697.949635] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1697.997329] [] ? __check_object_size+0x1e1/0x2b8 [ 1698.046504] [] ? 0xffffffffb1c002b8 [ 1698.088677] [] ? copy_mount_options+0x23d/0x24d [ 1698.148212] [] SyS_mount+0xa3/0xda [ 1698.195455] [] mount_block_root+0x2fc/0x650 [ 1698.245915] [] ? init_rootfs+0x99/0x99 [ 1698.289489] [] ? security_file_ioctl+0xa5/0xb4 [ 1698.350361] [] ? SyS_mknod+0x2f/0x36 [ 1698.396318] [] mount_root+0x45/0x48 [ 1698.443141] [] prepare_namespace+0x1cf/0x235 [ 1698.498381] [] kernel_init_freeable+0x4fa/0x518 [ 1698.555660] [] kernel_init+0x16/0x181 [ 1698.596248] [] ret_from_fork+0x1f/0x40 [ 1698.644250] [] ? rest_init+0x8f/0x8f [ 1698.681235] ================================================================================ [ 1698.746889] ================================================================================ [ 1698.806156] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1698.852043] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1698.918495] which requires 64 byte alignment [ 1698.948780] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1698.988040] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1699.063186] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 1699.127523] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1699.192143] ffffffff00000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 1699.256177] Call Trace: [ 1699.273598] [] dump_stack+0xd7/0x132 [ 1699.319685] [] ? arch_local_irq_restore+0x1b/0x1b [ 1699.384088] [] ubsan_epilogue+0x12/0x53 [ 1699.426741] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1699.479203] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1699.534515] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1699.590847] [] ext4_get_group_desc+0x3e/0x365 [ 1699.638190] [] ext4_fill_super+0x511c/0xa2df [ 1699.679868] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1699.731213] [] ? vsnprintf+0x1a0/0xa32 [ 1699.768981] [] ? pointer+0x7a9/0x7a9 [ 1699.805710] [] ? set_bdev_super+0x15d/0x15d [ 1699.849382] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1699.896183] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1699.946612] [] ? scnprintf+0xf3/0xf3 [ 1699.984459] [] mount_bdev+0x3cf/0x602 [ 1700.021913] [] ? mount_bdev+0x3cf/0x602 [ 1700.063801] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1700.118478] [] ext4_mount+0x3c/0x3e [ 1700.169155] [] mount_fs+0xd0/0x2ca [ 1700.208358] [] vfs_kern_mount+0xa0/0x20a [ 1700.254371] [] do_mount+0x11fe/0x19df [ 1700.295064] [] ? kasan_kmalloc+0x94/0xa3 [ 1700.347452] [] ? copy_mount_string+0x3d/0x3d [ 1700.407487] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1700.460536] [] ? __check_object_size+0x1e1/0x2b8 [ 1700.512814] [] ? 0xffffffffb1c002b8 [ 1700.558095] [] ? copy_mount_options+0x23d/0x24d [ 1700.609305] [] SyS_mount+0xa3/0xda [ 1700.646398] [] mount_block_root+0x2fc/0x650 [ 1700.692415] [] ? init_rootfs+0x99/0x99 [ 1700.728745] [] ? security_file_ioctl+0xa5/0xb4 [ 1700.774764] [] ? SyS_mknod+0x2f/0x36 [ 1700.811302] [] mount_root+0x45/0x48 [ 1700.852816] [] prepare_namespace+0x1cf/0x235 [ 1700.901694] [] kernel_init_freeable+0x4fa/0x518 [ 1700.943233] [] kernel_init+0x16/0x181 [ 1700.977055] [] ret_from_fork+0x1f/0x40 [ 1701.016076] [] ? rest_init+0x8f/0x8f [ 1701.058680] ================================================================================ [ 1701.124145] ================================================================================ [ 1701.206732] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2827:15 [ 1701.252474] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1701.326743] which requires 64 byte alignment [ 1701.361252] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1701.403775] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1701.472719] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 1701.524440] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1701.582045] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 1701.638266] Call Trace: [ 1701.657785] [] dump_stack+0xd7/0x132 [ 1701.694440] [] ? arch_local_irq_restore+0x1b/0x1b [ 1701.739358] [] ubsan_epilogue+0x12/0x53 [ 1701.773851] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1701.821183] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1701.874466] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1701.921303] [] ext4_get_group_desc+0x6e/0x365 [ 1701.965677] [] ext4_fill_super+0x511c/0xa2df [ 1702.012296] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1702.064365] [] ? vsnprintf+0x1a0/0xa32 [ 1702.112055] [] ? pointer+0x7a9/0x7a9 [ 1702.156204] [] ? set_bdev_super+0x15d/0x15d [ 1702.206429] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1702.265491] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1702.325625] [] ? scnprintf+0xf3/0xf3 [ 1702.366072] [] mount_bdev+0x3cf/0x602 [ 1702.406438] [] ? mount_bdev+0x3cf/0x602 [ 1702.440169] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1702.488358] [] ext4_mount+0x3c/0x3e [ 1702.520740] [] mount_fs+0xd0/0x2ca [ 1702.558710] [] vfs_kern_mount+0xa0/0x20a [ 1702.599138] [] do_mount+0x11fe/0x19df [ 1702.638609] [] ? kasan_kmalloc+0x94/0xa3 [ 1702.675584] [] ? copy_mount_string+0x3d/0x3d [ 1702.718008] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1702.767879] [] ? __check_object_size+0x1e1/0x2b8 [ 1702.815365] [] ? 0xffffffffb1c002b8 [ 1702.853362] [] ? copy_mount_options+0x23d/0x24d [ 1702.901030] [] SyS_mount+0xa3/0xda [ 1702.935170] [] mount_block_root+0x2fc/0x650 [ 1702.986229] [] ? init_rootfs+0x99/0x99 [ 1703.019540] [] ? security_file_ioctl+0xa5/0xb4 [ 1703.068699] [] ? SyS_mknod+0x2f/0x36 [ 1703.113727] [] mount_root+0x45/0x48 [ 1703.155662] [] prepare_namespace+0x1cf/0x235 [ 1703.198237] [] kernel_init_freeable+0x4fa/0x518 [ 1703.259267] [] kernel_init+0x16/0x181 [ 1703.305090] [] ret_from_fork+0x1f/0x40 [ 1703.361407] [] ? rest_init+0x8f/0x8f [ 1703.412452] ================================================================================ [ 1703.488509] ================================================================================ [ 1703.561182] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1703.602769] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1703.679972] which requires 64 byte alignment [ 1703.708718] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1703.753173] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1703.811973] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 1703.865829] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1703.921201] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 1703.982216] Call Trace: [ 1703.998954] [] dump_stack+0xd7/0x132 [ 1704.039640] [] ? arch_local_irq_restore+0x1b/0x1b [ 1704.091229] [] ubsan_epilogue+0x12/0x53 [ 1704.137922] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1704.189468] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1704.241069] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1704.291206] [] ext4_get_group_desc+0x96/0x365 [ 1704.332779] [] ext4_fill_super+0x511c/0xa2df [ 1704.380951] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1704.430275] [] ? vsnprintf+0x1a0/0xa32 [ 1704.471357] [] ? pointer+0x7a9/0x7a9 [ 1704.508341] [] ? set_bdev_super+0x15d/0x15d [ 1704.550365] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1704.609930] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1704.667105] [] ? scnprintf+0xf3/0xf3 [ 1704.710593] [] mount_bdev+0x3cf/0x602 [ 1704.759284] [] ? mount_bdev+0x3cf/0x602 [ 1704.800891] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1704.863486] [] ext4_mount+0x3c/0x3e [ 1704.912422] [] mount_fs+0xd0/0x2ca [ 1704.955901] [] vfs_kern_mount+0xa0/0x20a [ 1705.006146] [] do_mount+0x11fe/0x19df [ 1705.048404] [] ? kasan_kmalloc+0x94/0xa3 [ 1705.089400] [] ? copy_mount_string+0x3d/0x3d [ 1705.136146] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1705.188494] [] ? __check_object_size+0x1e1/0x2b8 [ 1705.239042] [] ? 0xffffffffb1c002b8 [ 1705.284139] [] ? copy_mount_options+0x23d/0x24d [ 1705.332477] [] SyS_mount+0xa3/0xda [ 1705.375429] [] mount_block_root+0x2fc/0x650 [ 1705.423820] [] ? init_rootfs+0x99/0x99 [ 1705.465900] [] ? security_file_ioctl+0xa5/0xb4 [ 1705.522000] [] ? SyS_mknod+0x2f/0x36 [ 1705.562981] [] mount_root+0x45/0x48 [ 1705.608844] [] prepare_namespace+0x1cf/0x235 [ 1705.657543] [] kernel_init_freeable+0x4fa/0x518 [ 1705.701439] [] kernel_init+0x16/0x181 [ 1705.735238] [] ret_from_fork+0x1f/0x40 [ 1705.775306] [] ? rest_init+0x8f/0x8f [ 1705.809219] ================================================================================ [ 1705.867177] ================================================================================ [ 1705.929614] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1705.970622] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1706.036620] which requires 64 byte alignment [ 1706.071640] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1706.120888] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1706.195938] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 1706.247958] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1706.302721] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 1706.349205] Call Trace: [ 1706.370613] [] dump_stack+0xd7/0x132 [ 1706.411606] [] ? arch_local_irq_restore+0x1b/0x1b [ 1706.448811] [] ubsan_epilogue+0x12/0x53 [ 1706.488423] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1706.536669] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1706.602330] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1706.659884] [] ext4_get_group_desc+0xed/0x365 [ 1706.712406] [] ext4_fill_super+0x511c/0xa2df [ 1706.760215] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1706.823885] [] ? vsnprintf+0x1a0/0xa32 [ 1706.869242] [] ? pointer+0x7a9/0x7a9 [ 1706.925552] [] ? set_bdev_super+0x15d/0x15d [ 1706.981012] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1707.048926] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1707.108404] [] ? scnprintf+0xf3/0xf3 [ 1707.144277] [] mount_bdev+0x3cf/0x602 [ 1707.187390] [] ? mount_bdev+0x3cf/0x602 [ 1707.221628] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1707.274862] [] ext4_mount+0x3c/0x3e [ 1707.312239] [] mount_fs+0xd0/0x2ca [ 1707.346855] [] vfs_kern_mount+0xa0/0x20a [ 1707.384576] [] do_mount+0x11fe/0x19df [ 1707.424945] [] ? kasan_kmalloc+0x94/0xa3 [ 1707.460894] [] ? copy_mount_string+0x3d/0x3d [ 1707.505045] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1707.542677] [] ? __check_object_size+0x1e1/0x2b8 [ 1707.602505] [] ? 0xffffffffb1c002b8 [ 1707.648105] [] ? copy_mount_options+0x23d/0x24d [ 1707.694206] [] SyS_mount+0xa3/0xda [ 1707.737229] [] mount_block_root+0x2fc/0x650 [ 1707.788660] [] ? init_rootfs+0x99/0x99 [ 1707.835884] [] ? security_file_ioctl+0xa5/0xb4 [ 1707.896097] [] ? SyS_mknod+0x2f/0x36 [ 1707.941347] [] mount_root+0x45/0x48 [ 1707.987675] [] prepare_namespace+0x1cf/0x235 [ 1708.036579] [] kernel_init_freeable+0x4fa/0x518 [ 1708.086850] [] kernel_init+0x16/0x181 [ 1708.131054] [] ret_from_fork+0x1f/0x40 [ 1708.174226] [] ? rest_init+0x8f/0x8f [ 1708.204945] ================================================================================ [ 1708.262798] ================================================================================ [ 1708.322219] UBSAN: Undefined behaviour in fs/ext4/balloc.c:296:30 [ 1708.364273] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1708.424413] which requires 64 byte alignment [ 1708.450895] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1708.499449] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1708.577361] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 1708.643102] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1708.697053] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 1708.746911] Call Trace: [ 1708.762509] [] dump_stack+0xd7/0x132 [ 1708.805702] [] ? arch_local_irq_restore+0x1b/0x1b [ 1708.861102] [] ubsan_epilogue+0x12/0x53 [ 1708.912114] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1708.971396] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1709.026072] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1709.090491] [] ext4_get_group_desc+0x107/0x365 [ 1709.151832] [] ext4_fill_super+0x511c/0xa2df [ 1709.204545] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1709.266944] [] ? vsnprintf+0x1a0/0xa32 [ 1709.313646] [] ? pointer+0x7a9/0x7a9 [ 1709.355893] [] ? set_bdev_super+0x15d/0x15d [ 1709.408925] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1709.462843] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1709.529191] [] ? scnprintf+0xf3/0xf3 [ 1709.572917] [] mount_bdev+0x3cf/0x602 [ 1709.618716] [] ? mount_bdev+0x3cf/0x602 [ 1709.661423] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1709.721901] [] ext4_mount+0x3c/0x3e [ 1709.761543] [] mount_fs+0xd0/0x2ca [ 1709.802777] [] vfs_kern_mount+0xa0/0x20a [ 1709.848622] [] do_mount+0x11fe/0x19df [ 1709.890823] [] ? kasan_kmalloc+0x94/0xa3 [ 1709.936287] [] ? copy_mount_string+0x3d/0x3d [ 1709.979509] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1710.028341] [] ? __check_object_size+0x1e1/0x2b8 [ 1710.078492] [] ? 0xffffffffb1c002b8 [ 1710.116740] [] ? copy_mount_options+0x23d/0x24d [ 1710.170764] [] SyS_mount+0xa3/0xda [ 1710.209358] [] mount_block_root+0x2fc/0x650 [ 1710.328587] [] ? init_rootfs+0x99/0x99 [ 1710.380742] [] ? security_file_ioctl+0xa5/0xb4 [ 1710.431030] [] ? SyS_mknod+0x2f/0x36 [ 1710.465949] [] mount_root+0x45/0x48 [ 1710.503226] [] prepare_namespace+0x1cf/0x235 [ 1710.540142] [] kernel_init_freeable+0x4fa/0x518 [ 1710.591669] [] kernel_init+0x16/0x181 [ 1710.628270] [] ret_from_fork+0x1f/0x40 [ 1710.668279] [] ? rest_init+0x8f/0x8f [ 1710.703701] ================================================================================ [ 1710.765486] ================================================================================ [ 1710.828721] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1710.880996] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1710.944649] which requires 64 byte alignment [ 1710.977170] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1711.016760] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1711.098459] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 1711.155120] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1711.209210] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 1711.261569] Call Trace: [ 1711.281589] [] dump_stack+0xd7/0x132 [ 1711.315948] [] ? arch_local_irq_restore+0x1b/0x1b [ 1711.361110] [] ubsan_epilogue+0x12/0x53 [ 1711.396045] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1711.447281] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1711.504071] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1711.554393] [] ext4_get_group_desc+0x162/0x365 [ 1711.607685] [] ext4_fill_super+0x511c/0xa2df [ 1711.656869] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1711.709768] [] ? vsnprintf+0x1a0/0xa32 [ 1711.758176] [] ? pointer+0x7a9/0x7a9 [ 1711.811160] [] ? set_bdev_super+0x15d/0x15d [ 1711.864360] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1711.935121] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1711.997946] [] ? scnprintf+0xf3/0xf3 [ 1712.050601] [] mount_bdev+0x3cf/0x602 [ 1712.096377] [] ? mount_bdev+0x3cf/0x602 [ 1712.139708] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1712.190976] [] ext4_mount+0x3c/0x3e [ 1712.228308] [] mount_fs+0xd0/0x2ca [ 1712.260084] [] vfs_kern_mount+0xa0/0x20a [ 1712.302801] [] do_mount+0x11fe/0x19df [ 1712.341406] [] ? kasan_kmalloc+0x94/0xa3 [ 1712.380083] [] ? copy_mount_string+0x3d/0x3d [ 1712.420863] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1712.467386] [] ? __check_object_size+0x1e1/0x2b8 [ 1712.510911] [] ? 0xffffffffb1c002b8 [ 1712.550549] [] ? copy_mount_options+0x23d/0x24d [ 1712.604505] [] SyS_mount+0xa3/0xda [ 1712.648966] [] mount_block_root+0x2fc/0x650 [ 1712.723543] [] ? init_rootfs+0x99/0x99 [ 1712.769026] [] ? security_file_ioctl+0xa5/0xb4 [ 1712.818969] [] ? SyS_mknod+0x2f/0x36 [ 1712.860347] [] mount_root+0x45/0x48 [ 1712.907427] [] prepare_namespace+0x1cf/0x235 [ 1712.953720] [] kernel_init_freeable+0x4fa/0x518 [ 1713.004003] [] kernel_init+0x16/0x181 [ 1713.042690] [] ret_from_fork+0x1f/0x40 [ 1713.080099] [] ? rest_init+0x8f/0x8f [ 1713.116634] ================================================================================ [ 1713.178726] ================================================================================ [ 1713.231844] UBSAN: Undefined behaviour in fs/ext4/balloc.c:297:26 [ 1713.276267] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1713.336337] which requires 64 byte alignment [ 1713.363092] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1713.409851] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1713.484795] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 1713.553691] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1713.615017] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 1713.677353] Call Trace: [ 1713.697926] [] dump_stack+0xd7/0x132 [ 1713.742883] [] ? arch_local_irq_restore+0x1b/0x1b [ 1713.808346] [] ubsan_epilogue+0x12/0x53 [ 1713.855815] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1713.922247] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1713.977965] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1714.032379] [] ext4_get_group_desc+0x18b/0x365 [ 1714.084010] [] ext4_fill_super+0x511c/0xa2df [ 1714.135027] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1714.185813] [] ? vsnprintf+0x1a0/0xa32 [ 1714.227880] [] ? pointer+0x7a9/0x7a9 [ 1714.265516] [] ? set_bdev_super+0x15d/0x15d [ 1714.308864] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1714.360546] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1714.409296] [] ? scnprintf+0xf3/0xf3 [ 1714.446816] [] mount_bdev+0x3cf/0x602 [ 1714.484548] [] ? mount_bdev+0x3cf/0x602 [ 1714.523583] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1714.568927] [] ext4_mount+0x3c/0x3e [ 1714.604233] [] mount_fs+0xd0/0x2ca [ 1714.645447] [] vfs_kern_mount+0xa0/0x20a [ 1714.680852] [] do_mount+0x11fe/0x19df [ 1714.717543] [] ? kasan_kmalloc+0x94/0xa3 [ 1714.754608] [] ? copy_mount_string+0x3d/0x3d [ 1714.800283] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1714.844289] [] ? __check_object_size+0x1e1/0x2b8 [ 1714.888642] [] ? 0xffffffffb1c002b8 [ 1714.929389] [] ? copy_mount_options+0x23d/0x24d [ 1714.981800] [] SyS_mount+0xa3/0xda [ 1715.015975] [] mount_block_root+0x2fc/0x650 [ 1715.064572] [] ? init_rootfs+0x99/0x99 [ 1715.108128] [] ? security_file_ioctl+0xa5/0xb4 [ 1715.159704] [] ? SyS_mknod+0x2f/0x36 [ 1715.209716] [] mount_root+0x45/0x48 [ 1715.255311] [] prepare_namespace+0x1cf/0x235 [ 1715.310778] [] kernel_init_freeable+0x4fa/0x518 [ 1715.368616] [] kernel_init+0x16/0x181 [ 1715.412909] [] ret_from_fork+0x1f/0x40 [ 1715.459591] [] ? rest_init+0x8f/0x8f [ 1715.504413] ================================================================================ [ 1715.569587] ================================================================================ [ 1715.627791] UBSAN: Undefined behaviour in fs/ext4/balloc.c:298:10 [ 1715.676305] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1715.735400] which requires 64 byte alignment [ 1715.765798] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1715.818518] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1715.885648] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 1715.944536] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1715.997523] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 1716.054541] Call Trace: [ 1716.072265] [] dump_stack+0xd7/0x132 [ 1716.109240] [] ? arch_local_irq_restore+0x1b/0x1b [ 1716.155480] [] ubsan_epilogue+0x12/0x53 [ 1716.200909] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1716.252568] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1716.311049] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1716.368064] [] ext4_get_group_desc+0x1ba/0x365 [ 1716.418429] [] ext4_fill_super+0x511c/0xa2df [ 1716.469010] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1716.532763] [] ? vsnprintf+0x1a0/0xa32 [ 1716.572550] [] ? pointer+0x7a9/0x7a9 [ 1716.610885] [] ? set_bdev_super+0x15d/0x15d [ 1716.653778] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1716.703636] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1716.747956] [] ? scnprintf+0xf3/0xf3 [ 1716.781313] [] mount_bdev+0x3cf/0x602 [ 1716.824765] [] ? mount_bdev+0x3cf/0x602 [ 1716.870261] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1716.924222] [] ext4_mount+0x3c/0x3e [ 1716.960848] [] mount_fs+0xd0/0x2ca [ 1717.011052] [] vfs_kern_mount+0xa0/0x20a [ 1717.056001] [] do_mount+0x11fe/0x19df [ 1717.099278] [] ? kasan_kmalloc+0x94/0xa3 [ 1717.153547] [] ? copy_mount_string+0x3d/0x3d [ 1717.211686] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1717.275155] [] ? __check_object_size+0x1e1/0x2b8 [ 1717.327860] [] ? 0xffffffffb1c002b8 [ 1717.366209] [] ? copy_mount_options+0x23d/0x24d [ 1717.414519] [] SyS_mount+0xa3/0xda [ 1717.453207] [] mount_block_root+0x2fc/0x650 [ 1717.495825] [] ? init_rootfs+0x99/0x99 [ 1717.545228] [] ? security_file_ioctl+0xa5/0xb4 [ 1717.578850] [] ? SyS_mknod+0x2f/0x36 [ 1717.615842] [] mount_root+0x45/0x48 [ 1717.652293] [] prepare_namespace+0x1cf/0x235 [ 1717.695004] [] kernel_init_freeable+0x4fa/0x518 [ 1717.738112] [] kernel_init+0x16/0x181 [ 1717.776048] [] ret_from_fork+0x1f/0x40 [ 1717.809613] [] ? rest_init+0x8f/0x8f [ 1717.849622] ================================================================================ [ 1717.913774] ================================================================================ [ 1717.981142] UBSAN: Undefined behaviour in fs/ext4/balloc.c:306:14 [ 1718.047446] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1718.115560] which requires 64 byte alignment [ 1718.150352] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1718.202113] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1718.277388] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 1718.335576] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1718.398913] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 1718.454396] Call Trace: [ 1718.472913] [] dump_stack+0xd7/0x132 [ 1718.514753] [] ? arch_local_irq_restore+0x1b/0x1b [ 1718.558979] [] ubsan_epilogue+0x12/0x53 [ 1718.604118] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1718.658641] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1718.723209] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1718.776077] [] ext4_get_group_desc+0x24e/0x365 [ 1718.828776] [] ext4_fill_super+0x511c/0xa2df [ 1718.880266] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1718.941523] [] ? vsnprintf+0x1a0/0xa32 [ 1719.001306] [] ? pointer+0x7a9/0x7a9 [ 1719.054288] [] ? set_bdev_super+0x15d/0x15d [ 1719.104652] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1719.166216] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1719.224419] [] ? scnprintf+0xf3/0xf3 [ 1719.266920] [] mount_bdev+0x3cf/0x602 [ 1719.305054] [] ? mount_bdev+0x3cf/0x602 [ 1719.353577] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1719.411258] [] ext4_mount+0x3c/0x3e [ 1719.450305] [] mount_fs+0xd0/0x2ca [ 1719.489136] [] vfs_kern_mount+0xa0/0x20a [ 1719.539458] [] do_mount+0x11fe/0x19df [ 1719.578300] [] ? kasan_kmalloc+0x94/0xa3 [ 1719.614739] [] ? copy_mount_string+0x3d/0x3d [ 1719.662244] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1719.705156] [] ? __check_object_size+0x1e1/0x2b8 [ 1719.749058] [] ? 0xffffffffb1c002b8 [ 1719.782896] [] ? copy_mount_options+0x23d/0x24d [ 1719.829231] [] SyS_mount+0xa3/0xda [ 1719.869589] [] mount_block_root+0x2fc/0x650 [ 1719.911564] [] ? init_rootfs+0x99/0x99 [ 1719.957748] [] ? security_file_ioctl+0xa5/0xb4 [ 1720.016063] [] ? SyS_mknod+0x2f/0x36 [ 1720.061176] [] mount_root+0x45/0x48 [ 1720.095102] [] prepare_namespace+0x1cf/0x235 [ 1720.136425] [] kernel_init_freeable+0x4fa/0x518 [ 1720.181636] [] kernel_init+0x16/0x181 [ 1720.221654] [] ret_from_fork+0x1f/0x40 [ 1720.256057] [] ? rest_init+0x8f/0x8f [ 1720.286991] ================================================================================ [ 1720.353261] ================================================================================ [ 1720.417411] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1720.468759] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1720.541477] which requires 64 byte alignment [ 1720.575693] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1720.626750] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1720.702404] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 1720.755593] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1720.812200] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 1720.862841] Call Trace: [ 1720.879153] [] dump_stack+0xd7/0x132 [ 1720.915851] [] ? arch_local_irq_restore+0x1b/0x1b [ 1720.966698] [] ubsan_epilogue+0x12/0x53 [ 1721.016502] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1721.069205] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1721.131074] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1721.194532] [] ext4_get_group_desc+0x2b3/0x365 [ 1721.241769] [] ext4_fill_super+0x511c/0xa2df [ 1721.287199] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1721.358770] [] ? vsnprintf+0x1a0/0xa32 [ 1721.412192] [] ? pointer+0x7a9/0x7a9 [ 1721.456056] [] ? set_bdev_super+0x15d/0x15d [ 1721.502172] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1721.553087] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1721.611446] [] ? scnprintf+0xf3/0xf3 [ 1721.654399] [] mount_bdev+0x3cf/0x602 [ 1721.693313] [] ? mount_bdev+0x3cf/0x602 [ 1721.737106] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1721.789577] [] ext4_mount+0x3c/0x3e [ 1721.830794] [] mount_fs+0xd0/0x2ca [ 1721.872525] [] vfs_kern_mount+0xa0/0x20a [ 1721.915997] [] do_mount+0x11fe/0x19df [ 1721.963283] [] ? kasan_kmalloc+0x94/0xa3 [ 1722.007337] [] ? copy_mount_string+0x3d/0x3d [ 1722.057229] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1722.109504] [] ? __check_object_size+0x1e1/0x2b8 [ 1722.158285] [] ? 0xffffffffb1c002b8 [ 1722.206755] [] ? copy_mount_options+0x23d/0x24d [ 1722.257633] [] SyS_mount+0xa3/0xda [ 1722.299692] [] mount_block_root+0x2fc/0x650 [ 1722.352748] [] ? init_rootfs+0x99/0x99 [ 1722.396589] [] ? security_file_ioctl+0xa5/0xb4 [ 1722.445138] [] ? SyS_mknod+0x2f/0x36 [ 1722.487625] [] mount_root+0x45/0x48 [ 1722.531539] [] prepare_namespace+0x1cf/0x235 [ 1722.579314] [] kernel_init_freeable+0x4fa/0x518 [ 1722.628839] [] kernel_init+0x16/0x181 [ 1722.675732] [] ret_from_fork+0x1f/0x40 [ 1722.722798] [] ? rest_init+0x8f/0x8f [ 1722.768488] ================================================================================ [ 1722.851575] ================================================================================ [ 1722.918866] UBSAN: Undefined behaviour in fs/ext4/balloc.c:307:12 [ 1722.968744] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1723.047141] which requires 64 byte alignment [ 1723.073093] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1723.119100] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1723.186428] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 1723.248262] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1723.303349] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 1723.357747] Call Trace: [ 1723.380012] [] dump_stack+0xd7/0x132 [ 1723.416784] [] ? arch_local_irq_restore+0x1b/0x1b [ 1723.468188] [] ubsan_epilogue+0x12/0x53 [ 1723.513813] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1723.572886] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1723.620919] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1723.676016] [] ext4_get_group_desc+0x2cd/0x365 [ 1723.712006] [] ext4_fill_super+0x511c/0xa2df [ 1723.747839] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1723.795664] [] ? vsnprintf+0x1a0/0xa32 [ 1723.835431] [] ? pointer+0x7a9/0x7a9 [ 1723.875304] [] ? set_bdev_super+0x15d/0x15d [ 1723.918591] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1723.975461] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1724.032959] [] ? scnprintf+0xf3/0xf3 [ 1724.076343] [] mount_bdev+0x3cf/0x602 [ 1724.123337] [] ? mount_bdev+0x3cf/0x602 [ 1724.169627] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1724.240379] [] ext4_mount+0x3c/0x3e [ 1724.292806] [] mount_fs+0xd0/0x2ca [ 1724.330509] [] vfs_kern_mount+0xa0/0x20a [ 1724.369048] [] do_mount+0x11fe/0x19df [ 1724.411770] [] ? kasan_kmalloc+0x94/0xa3 [ 1724.453481] [] ? copy_mount_string+0x3d/0x3d [ 1724.495093] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1724.535897] [] ? __check_object_size+0x1e1/0x2b8 [ 1724.583648] [] ? 0xffffffffb1c002b8 [ 1724.622645] [] ? copy_mount_options+0x23d/0x24d [ 1724.660088] [] SyS_mount+0xa3/0xda [ 1724.698896] [] mount_block_root+0x2fc/0x650 [ 1724.739850] [] ? init_rootfs+0x99/0x99 [ 1724.771599] [] ? security_file_ioctl+0xa5/0xb4 [ 1724.815126] [] ? SyS_mknod+0x2f/0x36 [ 1724.850616] [] mount_root+0x45/0x48 [ 1724.883796] [] prepare_namespace+0x1cf/0x235 [ 1724.929377] [] kernel_init_freeable+0x4fa/0x518 [ 1724.983093] [] kernel_init+0x16/0x181 [ 1725.028077] [] ret_from_fork+0x1f/0x40 [ 1725.073753] [] ? rest_init+0x8f/0x8f [ 1725.110952] ================================================================================ [ 1725.187340] ================================================================================ [ 1725.273485] UBSAN: Undefined behaviour in fs/ext4/super.c:2259:15 [ 1725.333511] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1725.417493] which requires 64 byte alignment [ 1725.452176] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1725.502565] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1725.589023] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1725.652444] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1725.707357] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1725.764717] Call Trace: [ 1725.780920] [] dump_stack+0xd7/0x132 [ 1725.817408] [] ? arch_local_irq_restore+0x1b/0x1b [ 1725.860170] [] ubsan_epilogue+0x12/0x53 [ 1725.901761] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1725.955734] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1726.011773] [] ? ext4_get_group_desc+0x353/0x365 [ 1726.063359] [] ext4_fill_super+0x513d/0xa2df [ 1726.120505] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1726.172338] [] ? vsnprintf+0x1a0/0xa32 [ 1726.231564] [] ? pointer+0x7a9/0x7a9 [ 1726.281546] [] ? set_bdev_super+0x15d/0x15d [ 1726.327052] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1726.375378] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1726.427794] [] ? scnprintf+0xf3/0xf3 [ 1726.464270] [] mount_bdev+0x3cf/0x602 [ 1726.497623] [] ? mount_bdev+0x3cf/0x602 [ 1726.543476] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1726.593812] [] ext4_mount+0x3c/0x3e [ 1726.633444] [] mount_fs+0xd0/0x2ca [ 1726.675305] [] vfs_kern_mount+0xa0/0x20a [ 1726.726383] [] do_mount+0x11fe/0x19df [ 1726.763869] [] ? kasan_kmalloc+0x94/0xa3 [ 1726.806243] [] ? copy_mount_string+0x3d/0x3d [ 1726.856612] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1726.909768] [] ? __check_object_size+0x1e1/0x2b8 [ 1726.973258] [] ? 0xffffffffb1c002b8 [ 1727.024330] [] ? copy_mount_options+0x23d/0x24d [ 1727.079050] [] SyS_mount+0xa3/0xda [ 1727.117041] [] mount_block_root+0x2fc/0x650 [ 1727.164663] [] ? init_rootfs+0x99/0x99 [ 1727.210797] [] ? security_file_ioctl+0xa5/0xb4 [ 1727.265674] [] ? SyS_mknod+0x2f/0x36 [ 1727.312021] [] mount_root+0x45/0x48 [ 1727.354104] [] prepare_namespace+0x1cf/0x235 [ 1727.413368] [] kernel_init_freeable+0x4fa/0x518 [ 1727.465958] [] kernel_init+0x16/0x181 [ 1727.507820] [] ret_from_fork+0x1f/0x40 [ 1727.556050] [] ? rest_init+0x8f/0x8f [ 1727.596847] ================================================================================ [ 1727.658885] ================================================================================ [ 1727.723205] UBSAN: Undefined behaviour in fs/ext4/super.c:2260:17 [ 1727.772051] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1727.836586] which requires 64 byte alignment [ 1727.873327] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1727.925137] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1728.009759] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1728.072149] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1728.140869] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1728.217680] Call Trace: [ 1728.243216] [] dump_stack+0xd7/0x132 [ 1728.297785] [] ? arch_local_irq_restore+0x1b/0x1b [ 1728.352104] [] ubsan_epilogue+0x12/0x53 [ 1728.399109] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1728.459348] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1728.527163] [] ? ext4_get_group_desc+0x353/0x365 [ 1728.580182] [] ext4_fill_super+0x518c/0xa2df [ 1728.631500] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1728.687131] [] ? vsnprintf+0x1a0/0xa32 [ 1728.734685] [] ? pointer+0x7a9/0x7a9 [ 1728.777757] [] ? set_bdev_super+0x15d/0x15d [ 1728.827520] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1728.888806] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1728.949159] [] ? scnprintf+0xf3/0xf3 [ 1728.994908] [] mount_bdev+0x3cf/0x602 [ 1729.037515] [] ? mount_bdev+0x3cf/0x602 [ 1729.078703] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1729.132622] [] ext4_mount+0x3c/0x3e [ 1729.169604] [] mount_fs+0xd0/0x2ca [ 1729.208476] [] vfs_kern_mount+0xa0/0x20a [ 1729.252323] [] do_mount+0x11fe/0x19df [ 1729.295533] [] ? kasan_kmalloc+0x94/0xa3 [ 1729.335188] [] ? copy_mount_string+0x3d/0x3d [ 1729.381478] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1729.435189] [] ? __check_object_size+0x1e1/0x2b8 [ 1729.486879] [] ? 0xffffffffb1c002b8 [ 1729.526360] [] ? copy_mount_options+0x23d/0x24d [ 1729.577380] [] SyS_mount+0xa3/0xda [ 1729.622311] [] mount_block_root+0x2fc/0x650 [ 1729.672252] [] ? init_rootfs+0x99/0x99 [ 1729.724737] [] ? security_file_ioctl+0xa5/0xb4 [ 1729.781639] [] ? SyS_mknod+0x2f/0x36 [ 1729.832030] [] mount_root+0x45/0x48 [ 1729.876288] [] prepare_namespace+0x1cf/0x235 [ 1729.927607] [] kernel_init_freeable+0x4fa/0x518 [ 1729.981522] [] kernel_init+0x16/0x181 [ 1730.024610] [] ret_from_fork+0x1f/0x40 [ 1730.068685] [] ? rest_init+0x8f/0x8f [ 1730.103200] ================================================================================ [ 1730.164366] ================================================================================ [ 1730.224091] UBSAN: Undefined behaviour in fs/ext4/super.c:2265:18 [ 1730.268057] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1730.335126] which requires 64 byte alignment [ 1730.368531] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1730.414920] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1730.492501] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1730.553387] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1730.610597] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1730.663407] Call Trace: [ 1730.683210] [] dump_stack+0xd7/0x132 [ 1730.723804] [] ? arch_local_irq_restore+0x1b/0x1b [ 1730.764344] [] ubsan_epilogue+0x12/0x53 [ 1730.807081] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1730.855088] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1730.908438] [] ? ext4_get_group_desc+0x353/0x365 [ 1730.973388] [] ext4_fill_super+0x52e2/0xa2df [ 1731.034557] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1731.082966] [] ? vsnprintf+0x1a0/0xa32 [ 1731.139040] [] ? pointer+0x7a9/0x7a9 [ 1731.192276] [] ? set_bdev_super+0x15d/0x15d [ 1731.236949] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1731.287319] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1731.340387] [] ? scnprintf+0xf3/0xf3 [ 1731.368913] [] mount_bdev+0x3cf/0x602 [ 1731.414335] [] ? mount_bdev+0x3cf/0x602 [ 1731.453668] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1731.498897] [] ext4_mount+0x3c/0x3e [ 1731.533257] [] mount_fs+0xd0/0x2ca [ 1731.571532] [] vfs_kern_mount+0xa0/0x20a [ 1731.611053] [] do_mount+0x11fe/0x19df [ 1731.652904] [] ? kasan_kmalloc+0x94/0xa3 [ 1731.700428] [] ? copy_mount_string+0x3d/0x3d [ 1731.746657] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1731.797327] [] ? __check_object_size+0x1e1/0x2b8 [ 1731.858698] [] ? 0xffffffffb1c002b8 [ 1731.896606] [] ? copy_mount_options+0x23d/0x24d [ 1731.950539] [] SyS_mount+0xa3/0xda [ 1731.998332] [] mount_block_root+0x2fc/0x650 [ 1732.052856] [] ? init_rootfs+0x99/0x99 [ 1732.105021] [] ? security_file_ioctl+0xa5/0xb4 [ 1732.163196] [] ? SyS_mknod+0x2f/0x36 [ 1732.208096] [] mount_root+0x45/0x48 [ 1732.250782] [] prepare_namespace+0x1cf/0x235 [ 1732.302505] [] kernel_init_freeable+0x4fa/0x518 [ 1732.352806] [] kernel_init+0x16/0x181 [ 1732.395001] [] ret_from_fork+0x1f/0x40 [ 1732.455506] [] ? rest_init+0x8f/0x8f [ 1732.508773] ================================================================================ [ 1732.577104] ================================================================================ [ 1732.660124] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1732.708517] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1732.774398] which requires 64 byte alignment [ 1732.807356] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1732.847256] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1732.916592] 00000000ffffffff 00000000b1a89c60 ffff88005c9df748 ffffffffb26ec5cc [ 1732.974716] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1733.049637] 0000000000000010 ffff88005c9df770 ffff88005c9df720 ffffffffb363c3e0 [ 1733.103731] Call Trace: [ 1733.122213] [] dump_stack+0xd7/0x132 [ 1733.156081] [] ? arch_local_irq_restore+0x1b/0x1b [ 1733.207642] [] ubsan_epilogue+0x12/0x53 [ 1733.260592] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1733.321185] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1733.387922] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1733.453509] [] ext4_block_bitmap+0x59/0xdd [ 1733.503356] [] ext4_fill_super+0x5342/0xa2df [ 1733.556894] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1733.601005] [] ? vsnprintf+0x1a0/0xa32 [ 1733.641662] [] ? pointer+0x7a9/0x7a9 [ 1733.678627] [] ? set_bdev_super+0x15d/0x15d [ 1733.724839] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1733.778543] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1733.836963] [] ? scnprintf+0xf3/0xf3 [ 1733.884764] [] mount_bdev+0x3cf/0x602 [ 1733.924588] [] ? mount_bdev+0x3cf/0x602 [ 1733.973729] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1734.029436] [] ext4_mount+0x3c/0x3e [ 1734.069505] [] mount_fs+0xd0/0x2ca [ 1734.103249] [] vfs_kern_mount+0xa0/0x20a [ 1734.146260] [] do_mount+0x11fe/0x19df [ 1734.189065] [] ? kasan_kmalloc+0x94/0xa3 [ 1734.226409] [] ? copy_mount_string+0x3d/0x3d [ 1734.264560] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1734.304930] [] ? __check_object_size+0x1e1/0x2b8 [ 1734.349585] [] ? 0xffffffffb1c002b8 [ 1734.468590] [] ? copy_mount_options+0x23d/0x24d [ 1734.512326] [] SyS_mount+0xa3/0xda [ 1734.565267] [] mount_block_root+0x2fc/0x650 [ 1734.605802] [] ? init_rootfs+0x99/0x99 [ 1734.648958] [] ? security_file_ioctl+0xa5/0xb4 [ 1734.708479] [] ? SyS_mknod+0x2f/0x36 [ 1734.792593] [] mount_root+0x45/0x48 [ 1734.876210] [] prepare_namespace+0x1cf/0x235 [ 1734.939975] [] kernel_init_freeable+0x4fa/0x518 [ 1735.004112] [] kernel_init+0x16/0x181 [ 1735.095413] [] ret_from_fork+0x1f/0x40 [ 1735.137596] [] ? rest_init+0x8f/0x8f [ 1735.175732] ================================================================================ [ 1735.239810] ================================================================================ [ 1735.302910] UBSAN: Undefined behaviour in fs/ext4/super.c:208:4 [ 1735.340190] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1735.405514] which requires 64 byte alignment [ 1735.437503] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1735.477664] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1735.549393] 00000000ffffffff 00000000b1a89c60 ffff88005c9df748 ffffffffb26ec5cc [ 1735.606215] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1735.664584] ffffffff00000010 ffff88005c9df770 ffff88005c9df720 ffffffffb363c3e0 [ 1735.720698] Call Trace: [ 1735.739949] [] dump_stack+0xd7/0x132 [ 1735.782795] [] ? arch_local_irq_restore+0x1b/0x1b [ 1735.839153] [] ubsan_epilogue+0x12/0x53 [ 1735.885139] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1735.953662] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1736.024241] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1736.081047] [] ext4_block_bitmap+0x88/0xdd [ 1736.128356] [] ext4_fill_super+0x5342/0xa2df [ 1736.172077] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1736.211948] [] ? vsnprintf+0x1a0/0xa32 [ 1736.256016] [] ? pointer+0x7a9/0x7a9 [ 1736.296606] [] ? set_bdev_super+0x15d/0x15d [ 1736.338944] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1736.391072] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1736.447310] [] ? scnprintf+0xf3/0xf3 [ 1736.486082] [] mount_bdev+0x3cf/0x602 [ 1736.524522] [] ? mount_bdev+0x3cf/0x602 [ 1736.563312] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1736.615290] [] ext4_mount+0x3c/0x3e [ 1736.659312] [] mount_fs+0xd0/0x2ca [ 1736.702446] [] vfs_kern_mount+0xa0/0x20a [ 1736.744955] [] do_mount+0x11fe/0x19df [ 1736.788529] [] ? kasan_kmalloc+0x94/0xa3 [ 1736.837629] [] ? copy_mount_string+0x3d/0x3d [ 1736.892957] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1736.946854] [] ? __check_object_size+0x1e1/0x2b8 [ 1737.002867] [] ? 0xffffffffb1c002b8 [ 1737.051934] [] ? copy_mount_options+0x23d/0x24d [ 1737.103968] [] SyS_mount+0xa3/0xda [ 1737.144206] [] mount_block_root+0x2fc/0x650 [ 1737.191843] [] ? init_rootfs+0x99/0x99 [ 1737.238060] [] ? security_file_ioctl+0xa5/0xb4 [ 1737.292825] [] ? SyS_mknod+0x2f/0x36 [ 1737.333794] [] mount_root+0x45/0x48 [ 1737.376511] [] prepare_namespace+0x1cf/0x235 [ 1737.430142] [] kernel_init_freeable+0x4fa/0x518 [ 1737.475228] [] kernel_init+0x16/0x181 [ 1737.522470] [] ret_from_fork+0x1f/0x40 [ 1737.565098] [] ? rest_init+0x8f/0x8f [ 1737.598639] ================================================================================ [ 1737.664221] ================================================================================ [ 1737.726623] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1737.772256] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1737.850825] which requires 64 byte alignment [ 1737.882772] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1737.918148] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1737.997598] 00000000ffffffff 00000000b1a89c60 ffff88005c9df748 ffffffffb26ec5cc [ 1738.066993] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1738.119624] ffffffff00000010 ffff88005c9df770 ffff88005c9df720 ffffffffb363c3e0 [ 1738.171525] Call Trace: [ 1738.190767] [] dump_stack+0xd7/0x132 [ 1738.228590] [] ? arch_local_irq_restore+0x1b/0x1b [ 1738.274351] [] ubsan_epilogue+0x12/0x53 [ 1738.311539] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1738.364596] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1738.409263] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1738.459783] [] ext4_inode_bitmap+0x5b/0xdf [ 1738.503778] [] ext4_fill_super+0x53c6/0xa2df [ 1738.544619] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1738.584009] [] ? vsnprintf+0x1a0/0xa32 [ 1738.621627] [] ? pointer+0x7a9/0x7a9 [ 1738.660221] [] ? set_bdev_super+0x15d/0x15d [ 1738.701980] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1738.765502] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1738.821870] [] ? scnprintf+0xf3/0xf3 [ 1738.871979] [] mount_bdev+0x3cf/0x602 [ 1738.917894] [] ? mount_bdev+0x3cf/0x602 [ 1738.966378] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1739.024852] [] ext4_mount+0x3c/0x3e [ 1739.081498] [] mount_fs+0xd0/0x2ca [ 1739.130747] [] vfs_kern_mount+0xa0/0x20a [ 1739.181620] [] do_mount+0x11fe/0x19df [ 1739.229646] [] ? kasan_kmalloc+0x94/0xa3 [ 1739.277640] [] ? copy_mount_string+0x3d/0x3d [ 1739.328690] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1739.387052] [] ? __check_object_size+0x1e1/0x2b8 [ 1739.438216] [] ? 0xffffffffb1c002b8 [ 1739.480970] [] ? copy_mount_options+0x23d/0x24d [ 1739.535993] [] SyS_mount+0xa3/0xda [ 1739.575799] [] mount_block_root+0x2fc/0x650 [ 1739.621320] [] ? init_rootfs+0x99/0x99 [ 1739.667296] [] ? security_file_ioctl+0xa5/0xb4 [ 1739.717396] [] ? SyS_mknod+0x2f/0x36 [ 1739.762430] [] mount_root+0x45/0x48 [ 1739.804551] [] prepare_namespace+0x1cf/0x235 [ 1739.859621] [] kernel_init_freeable+0x4fa/0x518 [ 1739.909600] [] kernel_init+0x16/0x181 [ 1739.950926] [] ret_from_fork+0x1f/0x40 [ 1739.997128] [] ? rest_init+0x8f/0x8f [ 1740.042555] ================================================================================ [ 1740.107180] ================================================================================ [ 1740.180056] UBSAN: Undefined behaviour in fs/ext4/super.c:216:4 [ 1740.228969] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1740.306960] which requires 64 byte alignment [ 1740.338831] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1740.385502] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1740.460681] 00000000ffffffff 00000000b1a89c60 ffff88005c9df748 ffffffffb26ec5cc [ 1740.523674] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1740.589271] ffffffff00000010 ffff88005c9df770 ffff88005c9df720 ffffffffb363c3e0 [ 1740.653531] Call Trace: [ 1740.675306] [] dump_stack+0xd7/0x132 [ 1740.722885] [] ? arch_local_irq_restore+0x1b/0x1b [ 1740.772589] [] ubsan_epilogue+0x12/0x53 [ 1740.817502] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1740.870845] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1740.933064] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1740.986752] [] ext4_inode_bitmap+0x8a/0xdf [ 1741.022183] [] ext4_fill_super+0x53c6/0xa2df [ 1741.063659] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1741.107431] [] ? vsnprintf+0x1a0/0xa32 [ 1741.142240] [] ? pointer+0x7a9/0x7a9 [ 1741.182779] [] ? set_bdev_super+0x15d/0x15d [ 1741.226669] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1741.291424] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1741.340826] [] ? scnprintf+0xf3/0xf3 [ 1741.373320] [] mount_bdev+0x3cf/0x602 [ 1741.412359] [] ? mount_bdev+0x3cf/0x602 [ 1741.448850] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1741.499931] [] ext4_mount+0x3c/0x3e [ 1741.531181] [] mount_fs+0xd0/0x2ca [ 1741.564338] [] vfs_kern_mount+0xa0/0x20a [ 1741.602266] [] do_mount+0x11fe/0x19df [ 1741.639567] [] ? kasan_kmalloc+0x94/0xa3 [ 1741.682379] [] ? copy_mount_string+0x3d/0x3d [ 1741.732426] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1741.780919] [] ? __check_object_size+0x1e1/0x2b8 [ 1741.822924] [] ? 0xffffffffb1c002b8 [ 1741.859964] [] ? copy_mount_options+0x23d/0x24d [ 1741.908315] [] SyS_mount+0xa3/0xda [ 1741.917945] INFO: rcu_sched detected stalls on CPUs/tasks: [ 1741.917963] 2-...: (29 ticks this GP) idle=3f5/140000000000000/0 softirq=2589/2589 fqs=7124 [ 1741.917973] (detected by 1, t=15003 jiffies, g=-203, c=-204, q=3) [ 1741.917976] Task dump for CPU 2: [ 1741.917988] swapper/0 R running task 0 1 0 0x00000008 [ 1741.918006] 0000000000000000 00000000b1a89c60 ffffffffb2248390 ffffffffb3a5a83c [ 1741.918018] ffffffffb2248390 ffffffffb3a5a83c ffffffffb2248390 0000000000000001 [ 1741.918045] ffffffffb2248390 ffff88005c9df65f ffff88005c9df4c8 ffffffffb1d4ba23 [ 1741.918048] Call Trace: [ 1741.918065] [] ? SyS_mount+0xa3/0xda [ 1741.918074] [] ? SyS_mount+0xa3/0xda [ 1741.918082] [] ? SyS_mount+0xa3/0xda [ 1741.918091] [] ? SyS_mount+0xa3/0xda [ 1741.918116] [] ? print_trace_address+0x46/0x4f [ 1741.918129] [] ? print_context_stack+0x145/0x1c7 [ 1741.918139] [] ? SyS_mount+0xa3/0xda [ 1741.918192] [] ? dump_trace+0x656/0x682 [ 1741.918239] [] ? power_down+0x109/0x109 [ 1741.918280] [] ? show_trace_log_lvl+0x52/0x5b [ 1741.918294] [] ? show_stack_log_lvl+0x291/0x2b4 [ 1741.918304] [] ? show_stack+0x51/0x67 [ 1741.918317] [] ? dump_stack+0xd7/0x132 [ 1741.918329] [] ? arch_local_irq_restore+0x1b/0x1b [ 1741.918343] [] ? ubsan_epilogue+0x12/0x53 [ 1741.918358] [] ? __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1741.918370] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1741.918383] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1741.918399] [] ? ext4_inode_bitmap+0x8a/0xdf [ 1741.918835] [] ? ext4_fill_super+0x53c6/0xa2df [ 1741.918895] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1741.918903] [] ? vsnprintf+0x1a0/0xa32 [ 1741.918909] [] ? pointer+0x7a9/0x7a9 [ 1741.918916] [] ? set_bdev_super+0x15d/0x15d [ 1741.918923] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1741.918930] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1741.918937] [] ? scnprintf+0xf3/0xf3 [ 1741.918947] [] ? mount_bdev+0x3cf/0x602 [ 1741.918955] [] ? mount_bdev+0x3cf/0x602 [ 1741.918962] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1741.918969] [] ? ext4_mount+0x3c/0x3e [ 1741.918975] [] ? mount_fs+0xd0/0x2ca [ 1741.918985] [] ? vfs_kern_mount+0xa0/0x20a [ 1741.919019] [] ? do_mount+0x11fe/0x19df [ 1741.919033] [] ? kasan_kmalloc+0x94/0xa3 [ 1741.919039] [] ? copy_mount_string+0x3d/0x3d [ 1741.919049] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1741.919056] [] ? __check_object_size+0x1e1/0x2b8 [ 1741.919060] [] ? 0xffffffffb1c002b8 [ 1741.919066] [] ? copy_mount_options+0x23d/0x24d [ 1741.919072] [] ? SyS_mount+0xa3/0xda [ 1741.919079] [] ? mount_block_root+0x2fc/0x650 [ 1741.919085] [] ? init_rootfs+0x99/0x99 [ 1741.919095] [] ? security_file_ioctl+0xa5/0xb4 [ 1741.919105] [] ? SyS_mknod+0x2f/0x36 [ 1741.919114] [] ? mount_root+0x45/0x48 [ 1741.919120] [] ? prepare_namespace+0x1cf/0x235 [ 1741.919126] [] ? kernel_init_freeable+0x4fa/0x518 [ 1741.919133] [] ? kernel_init+0x16/0x181 [ 1741.919140] [] ? ret_from_fork+0x1f/0x40 [ 1741.919146] [] ? rest_init+0x8f/0x8f [ 1745.071629] [] mount_block_root+0x2fc/0x650 [ 1745.134867] [] ? init_rootfs+0x99/0x99 [ 1745.184904] [] ? security_file_ioctl+0xa5/0xb4 [ 1745.233542] [] ? SyS_mknod+0x2f/0x36 [ 1745.275865] [] mount_root+0x45/0x48 [ 1745.321449] [] prepare_namespace+0x1cf/0x235 [ 1745.374830] [] kernel_init_freeable+0x4fa/0x518 [ 1745.421255] [] kernel_init+0x16/0x181 [ 1745.465161] [] ret_from_fork+0x1f/0x40 [ 1745.512299] [] ? rest_init+0x8f/0x8f [ 1745.551635] ================================================================================ [ 1745.627483] ================================================================================ [ 1745.693265] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1745.742186] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1745.814018] which requires 64 byte alignment [ 1745.848885] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1745.896813] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1745.981921] 00000000ffffffff 00000000b1a89c60 ffff88005c9df748 ffffffffb26ec5cc [ 1746.042702] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1746.109491] ffffffff00000010 ffff88005c9df770 ffff88005c9df720 ffffffffb363c3e0 [ 1746.169697] Call Trace: [ 1746.190539] [] dump_stack+0xd7/0x132 [ 1746.228773] [] ? arch_local_irq_restore+0x1b/0x1b [ 1746.285729] [] ubsan_epilogue+0x12/0x53 [ 1746.328116] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1746.384717] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1746.444532] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1746.503619] [] ext4_inode_table+0x5b/0xdf [ 1746.555695] [] ext4_fill_super+0x5440/0xa2df [ 1746.607197] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1746.656997] [] ? vsnprintf+0x1a0/0xa32 [ 1746.703968] [] ? pointer+0x7a9/0x7a9 [ 1746.746944] [] ? set_bdev_super+0x15d/0x15d [ 1746.808110] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1746.873576] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1746.931196] [] ? scnprintf+0xf3/0xf3 [ 1746.968644] [] mount_bdev+0x3cf/0x602 [ 1747.010290] [] ? mount_bdev+0x3cf/0x602 [ 1747.046339] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1747.107939] [] ext4_mount+0x3c/0x3e [ 1747.141194] [] mount_fs+0xd0/0x2ca [ 1747.169693] [] vfs_kern_mount+0xa0/0x20a [ 1747.203744] [] do_mount+0x11fe/0x19df [ 1747.243451] [] ? kasan_kmalloc+0x94/0xa3 [ 1747.282751] [] ? copy_mount_string+0x3d/0x3d [ 1747.326448] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1747.374719] [] ? __check_object_size+0x1e1/0x2b8 [ 1747.422821] [] ? 0xffffffffb1c002b8 [ 1747.456654] [] ? copy_mount_options+0x23d/0x24d [ 1747.498974] [] SyS_mount+0xa3/0xda [ 1747.534131] [] mount_block_root+0x2fc/0x650 [ 1747.568505] [] ? init_rootfs+0x99/0x99 [ 1747.613641] [] ? security_file_ioctl+0xa5/0xb4 [ 1747.660618] [] ? SyS_mknod+0x2f/0x36 [ 1747.694929] [] mount_root+0x45/0x48 [ 1747.732392] [] prepare_namespace+0x1cf/0x235 [ 1747.780638] [] kernel_init_freeable+0x4fa/0x518 [ 1747.830593] [] kernel_init+0x16/0x181 [ 1747.882338] [] ret_from_fork+0x1f/0x40 [ 1747.920956] [] ? rest_init+0x8f/0x8f [ 1747.953331] ================================================================================ [ 1748.015698] ================================================================================ [ 1748.076490] UBSAN: Undefined behaviour in fs/ext4/super.c:224:4 [ 1748.117765] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1748.186950] which requires 64 byte alignment [ 1748.217286] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1748.263495] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1748.335669] 00000000ffffffff 00000000b1a89c60 ffff88005c9df748 ffffffffb26ec5cc [ 1748.408035] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1748.469316] ffffffff00000010 ffff88005c9df770 ffff88005c9df720 ffffffffb363c3e0 [ 1748.536543] Call Trace: [ 1748.552734] [] dump_stack+0xd7/0x132 [ 1748.612831] [] ? arch_local_irq_restore+0x1b/0x1b [ 1748.667176] [] ubsan_epilogue+0x12/0x53 [ 1748.714902] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1748.769088] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1748.828590] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1748.887877] [] ext4_inode_table+0x8a/0xdf [ 1748.934656] [] ext4_fill_super+0x5440/0xa2df [ 1748.985368] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1749.040028] [] ? vsnprintf+0x1a0/0xa32 [ 1749.080159] [] ? pointer+0x7a9/0x7a9 [ 1749.120149] [] ? set_bdev_super+0x15d/0x15d [ 1749.166687] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1749.215261] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1749.268672] [] ? scnprintf+0xf3/0xf3 [ 1749.308634] [] mount_bdev+0x3cf/0x602 [ 1749.347525] [] ? mount_bdev+0x3cf/0x602 [ 1749.382770] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1749.431614] [] ext4_mount+0x3c/0x3e [ 1749.472575] [] mount_fs+0xd0/0x2ca [ 1749.515798] [] vfs_kern_mount+0xa0/0x20a [ 1749.563106] [] do_mount+0x11fe/0x19df [ 1749.606830] [] ? kasan_kmalloc+0x94/0xa3 [ 1749.658821] [] ? copy_mount_string+0x3d/0x3d [ 1749.715117] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1749.768356] [] ? __check_object_size+0x1e1/0x2b8 [ 1749.823003] [] ? 0xffffffffb1c002b8 [ 1749.865531] [] ? copy_mount_options+0x23d/0x24d [ 1749.918819] [] SyS_mount+0xa3/0xda [ 1749.957466] [] mount_block_root+0x2fc/0x650 [ 1750.001998] [] ? init_rootfs+0x99/0x99 [ 1750.045520] [] ? security_file_ioctl+0xa5/0xb4 [ 1750.092394] [] ? SyS_mknod+0x2f/0x36 [ 1750.144801] [] mount_root+0x45/0x48 [ 1750.181919] [] prepare_namespace+0x1cf/0x235 [ 1750.223767] [] kernel_init_freeable+0x4fa/0x518 [ 1750.264300] [] kernel_init+0x16/0x181 [ 1750.374437] [] ret_from_fork+0x1f/0x40 [ 1750.424297] [] ? rest_init+0x8f/0x8f [ 1750.464898] ================================================================================ [ 1750.534937] ================================================================================ [ 1750.614998] UBSAN: Undefined behaviour in fs/ext4/super.c:2300:24 [ 1750.677107] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1750.754839] which requires 64 byte alignment [ 1750.786676] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1750.833427] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1750.913253] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1750.970797] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1751.021653] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1751.071616] Call Trace: [ 1751.091701] [] dump_stack+0xd7/0x132 [ 1751.126750] [] ? arch_local_irq_restore+0x1b/0x1b [ 1751.168599] [] ubsan_epilogue+0x12/0x53 [ 1751.208329] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1751.261233] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1751.312354] [] ext4_fill_super+0x54d6/0xa2df [ 1751.363850] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1751.425991] [] ? vsnprintf+0x1a0/0xa32 [ 1751.467592] [] ? pointer+0x7a9/0x7a9 [ 1751.512697] [] ? set_bdev_super+0x15d/0x15d [ 1751.563091] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1751.630435] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1751.694412] [] ? scnprintf+0xf3/0xf3 [ 1751.736619] [] mount_bdev+0x3cf/0x602 [ 1751.775331] [] ? mount_bdev+0x3cf/0x602 [ 1751.819431] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1751.875350] [] ext4_mount+0x3c/0x3e [ 1751.918953] [] mount_fs+0xd0/0x2ca [ 1751.962401] [] vfs_kern_mount+0xa0/0x20a [ 1752.004744] [] do_mount+0x11fe/0x19df [ 1752.048779] [] ? kasan_kmalloc+0x94/0xa3 [ 1752.093238] [] ? copy_mount_string+0x3d/0x3d [ 1752.141362] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1752.200432] [] ? __check_object_size+0x1e1/0x2b8 [ 1752.253619] [] ? 0xffffffffb1c002b8 [ 1752.292733] [] ? copy_mount_options+0x23d/0x24d [ 1752.337897] [] SyS_mount+0xa3/0xda [ 1752.386822] [] mount_block_root+0x2fc/0x650 [ 1752.434906] [] ? init_rootfs+0x99/0x99 [ 1752.474283] [] ? security_file_ioctl+0xa5/0xb4 [ 1752.530597] [] ? SyS_mknod+0x2f/0x36 [ 1752.570121] [] mount_root+0x45/0x48 [ 1752.613383] [] prepare_namespace+0x1cf/0x235 [ 1752.661284] [] kernel_init_freeable+0x4fa/0x518 [ 1752.714451] [] kernel_init+0x16/0x181 [ 1752.750348] [] ret_from_fork+0x1f/0x40 [ 1752.798815] [] ? rest_init+0x8f/0x8f [ 1752.847170] ================================================================================ [ 1752.920608] ================================================================================ [ 1752.987679] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1753.039962] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1753.120528] which requires 64 byte alignment [ 1753.155984] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1753.203007] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1753.287050] 00000000ffffffff 00000000b1a89c60 ffff88005c9df748 ffffffffb26ec5cc [ 1753.347526] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1753.419603] 0000000000000010 ffff88005c9df770 ffff88005c9df720 ffffffffb363c3e0 [ 1753.471359] Call Trace: [ 1753.489870] [] dump_stack+0xd7/0x132 [ 1753.522844] [] ? arch_local_irq_restore+0x1b/0x1b [ 1753.572012] [] ubsan_epilogue+0x12/0x53 [ 1753.616120] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1753.670268] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1753.725462] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1753.783158] [] ext4_lock_group+0x2f/0x11f [ 1753.822826] [] ext4_fill_super+0x550b/0xa2df [ 1753.876573] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1753.935223] [] ? vsnprintf+0x1a0/0xa32 [ 1753.980930] [] ? pointer+0x7a9/0x7a9 [ 1754.026862] [] ? set_bdev_super+0x15d/0x15d [ 1754.078992] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1754.142941] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1754.208994] [] ? scnprintf+0xf3/0xf3 [ 1754.242289] [] mount_bdev+0x3cf/0x602 [ 1754.281648] [] ? mount_bdev+0x3cf/0x602 [ 1754.316012] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1754.364454] [] ext4_mount+0x3c/0x3e [ 1754.402444] [] mount_fs+0xd0/0x2ca [ 1754.443120] [] vfs_kern_mount+0xa0/0x20a [ 1754.489107] [] do_mount+0x11fe/0x19df [ 1754.531781] [] ? kasan_kmalloc+0x94/0xa3 [ 1754.583719] [] ? copy_mount_string+0x3d/0x3d [ 1754.636956] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1754.685316] [] ? __check_object_size+0x1e1/0x2b8 [ 1754.744505] [] ? 0xffffffffb1c002b8 [ 1754.784519] [] ? copy_mount_options+0x23d/0x24d [ 1754.841248] [] SyS_mount+0xa3/0xda [ 1754.888040] [] mount_block_root+0x2fc/0x650 [ 1754.994275] [] ? init_rootfs+0x99/0x99 [ 1755.035636] [] ? security_file_ioctl+0xa5/0xb4 [ 1755.075083] [] ? SyS_mknod+0x2f/0x36 [ 1755.109859] [] mount_root+0x45/0x48 [ 1755.148453] [] prepare_namespace+0x1cf/0x235 [ 1755.189445] [] kernel_init_freeable+0x4fa/0x518 [ 1755.237474] [] kernel_init+0x16/0x181 [ 1755.283379] [] ret_from_fork+0x1f/0x40 [ 1755.328684] [] ? rest_init+0x8f/0x8f [ 1755.372255] ================================================================================ [ 1755.447897] ================================================================================ [ 1755.509942] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2933:9 [ 1755.554470] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1755.619263] which requires 64 byte alignment [ 1755.656124] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1755.695150] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1755.760626] 00000000ffffffff 00000000b1a89c60 ffff88005c9df748 ffffffffb26ec5cc [ 1755.821550] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1755.886455] ffffffff00000010 ffff88005c9df770 ffff88005c9df720 ffffffffb363c3e0 [ 1755.961184] Call Trace: [ 1755.981329] [] dump_stack+0xd7/0x132 [ 1756.018003] [] ? arch_local_irq_restore+0x1b/0x1b [ 1756.076328] [] ubsan_epilogue+0x12/0x53 [ 1756.131399] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1756.200415] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1756.257161] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1756.309731] [] ext4_lock_group+0x5f/0x11f [ 1756.355070] [] ext4_fill_super+0x550b/0xa2df [ 1756.393276] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1756.439333] [] ? vsnprintf+0x1a0/0xa32 [ 1756.478696] [] ? pointer+0x7a9/0x7a9 [ 1756.520081] [] ? set_bdev_super+0x15d/0x15d [ 1756.564332] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1756.623854] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1756.687116] [] ? scnprintf+0xf3/0xf3 [ 1756.733373] [] mount_bdev+0x3cf/0x602 [ 1756.772535] [] ? mount_bdev+0x3cf/0x602 [ 1756.818367] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1756.882689] [] ext4_mount+0x3c/0x3e [ 1756.932614] [] mount_fs+0xd0/0x2ca [ 1756.962891] [] vfs_kern_mount+0xa0/0x20a [ 1757.001389] [] do_mount+0x11fe/0x19df [ 1757.041316] [] ? kasan_kmalloc+0x94/0xa3 [ 1757.084441] [] ? copy_mount_string+0x3d/0x3d [ 1757.124727] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1757.169148] [] ? __check_object_size+0x1e1/0x2b8 [ 1757.217631] [] ? 0xffffffffb1c002b8 [ 1757.263737] [] ? copy_mount_options+0x23d/0x24d [ 1757.307836] [] SyS_mount+0xa3/0xda [ 1757.350302] [] mount_block_root+0x2fc/0x650 [ 1757.397683] [] ? init_rootfs+0x99/0x99 [ 1757.441293] [] ? security_file_ioctl+0xa5/0xb4 [ 1757.482328] [] ? SyS_mknod+0x2f/0x36 [ 1757.515391] [] mount_root+0x45/0x48 [ 1757.550064] [] prepare_namespace+0x1cf/0x235 [ 1757.596125] [] kernel_init_freeable+0x4fa/0x518 [ 1757.636514] [] kernel_init+0x16/0x181 [ 1757.677697] [] ret_from_fork+0x1f/0x40 [ 1757.718129] [] ? rest_init+0x8f/0x8f [ 1757.756021] ================================================================================ [ 1757.823953] ================================================================================ [ 1757.894483] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1757.944066] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1758.013007] which requires 64 byte alignment [ 1758.045532] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1758.091158] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1758.163568] 00000000ffffffff 00000000b1a89c60 ffff88005c9df748 ffffffffb26ec5cc [ 1758.221386] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1758.281425] ffffffff00000010 ffff88005c9df770 ffff88005c9df720 ffffffffb363c3e0 [ 1758.345199] Call Trace: [ 1758.364777] [] dump_stack+0xd7/0x132 [ 1758.412278] [] ? arch_local_irq_restore+0x1b/0x1b [ 1758.462310] [] ubsan_epilogue+0x12/0x53 [ 1758.502679] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1758.550534] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1758.600166] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1758.657019] [] ext4_lock_group+0xa4/0x11f [ 1758.701588] [] ext4_fill_super+0x550b/0xa2df [ 1758.744763] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1758.795996] [] ? vsnprintf+0x1a0/0xa32 [ 1758.845541] [] ? pointer+0x7a9/0x7a9 [ 1758.894573] [] ? set_bdev_super+0x15d/0x15d [ 1758.943615] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1759.005224] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1759.071383] [] ? scnprintf+0xf3/0xf3 [ 1759.121764] [] mount_bdev+0x3cf/0x602 [ 1759.170794] [] ? mount_bdev+0x3cf/0x602 [ 1759.215072] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1759.272740] [] ext4_mount+0x3c/0x3e [ 1759.315688] [] mount_fs+0xd0/0x2ca [ 1759.357465] [] vfs_kern_mount+0xa0/0x20a [ 1759.406026] [] do_mount+0x11fe/0x19df [ 1759.450787] [] ? kasan_kmalloc+0x94/0xa3 [ 1759.499338] [] ? copy_mount_string+0x3d/0x3d [ 1759.551628] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1759.604633] [] ? __check_object_size+0x1e1/0x2b8 [ 1759.656168] [] ? 0xffffffffb1c002b8 [ 1759.698403] [] ? copy_mount_options+0x23d/0x24d [ 1759.742068] [] SyS_mount+0xa3/0xda [ 1759.785067] [] mount_block_root+0x2fc/0x650 [ 1759.831125] [] ? init_rootfs+0x99/0x99 [ 1759.867558] [] ? security_file_ioctl+0xa5/0xb4 [ 1759.912473] [] ? SyS_mknod+0x2f/0x36 [ 1759.947335] [] mount_root+0x45/0x48 [ 1759.984758] [] prepare_namespace+0x1cf/0x235 [ 1760.023563] [] kernel_init_freeable+0x4fa/0x518 [ 1760.070914] [] kernel_init+0x16/0x181 [ 1760.104907] [] ret_from_fork+0x1f/0x40 [ 1760.147048] [] ? rest_init+0x8f/0x8f [ 1760.184228] ================================================================================ [ 1760.244129] ================================================================================ [ 1760.303624] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1760.357509] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1760.438181] which requires 64 byte alignment [ 1760.465443] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1760.508066] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1760.571011] 00000000ffffffff 00000000b1a89c60 ffff88005c9df718 ffffffffb26ec5cc [ 1760.623968] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1760.680885] 0000000000000010 ffff88005c9df740 ffff88005c9df6f0 ffffffffb363c3e0 [ 1760.740184] Call Trace: [ 1760.755381] [] dump_stack+0xd7/0x132 [ 1760.790370] [] ? arch_local_irq_restore+0x1b/0x1b [ 1760.853957] [] ubsan_epilogue+0x12/0x53 [ 1760.901384] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1760.955762] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1761.015713] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1761.080007] [] ext4_has_group_desc_csum+0x2d/0xfc [ 1761.134768] [] ext4_group_desc_csum_verify+0x2c/0x87 [ 1761.196731] [] ext4_fill_super+0x551c/0xa2df [ 1761.234557] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1761.286501] [] ? vsnprintf+0x1a0/0xa32 [ 1761.329614] [] ? pointer+0x7a9/0x7a9 [ 1761.366086] [] ? set_bdev_super+0x15d/0x15d [ 1761.410389] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1761.459058] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1761.510033] [] ? scnprintf+0xf3/0xf3 [ 1761.543608] [] mount_bdev+0x3cf/0x602 [ 1761.581418] [] ? mount_bdev+0x3cf/0x602 [ 1761.619396] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1761.677050] [] ext4_mount+0x3c/0x3e [ 1761.721407] [] mount_fs+0xd0/0x2ca [ 1761.783486] [] vfs_kern_mount+0xa0/0x20a [ 1761.824542] [] do_mount+0x11fe/0x19df [ 1761.871122] [] ? kasan_kmalloc+0x94/0xa3 [ 1761.917277] [] ? copy_mount_string+0x3d/0x3d [ 1761.959309] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1762.005583] [] ? __check_object_size+0x1e1/0x2b8 [ 1762.051583] [] ? 0xffffffffb1c002b8 [ 1762.084273] [] ? copy_mount_options+0x23d/0x24d [ 1762.133520] [] SyS_mount+0xa3/0xda [ 1762.171405] [] mount_block_root+0x2fc/0x650 [ 1762.214677] [] ? init_rootfs+0x99/0x99 [ 1762.250974] [] ? security_file_ioctl+0xa5/0xb4 [ 1762.290358] [] ? SyS_mknod+0x2f/0x36 [ 1762.330999] [] mount_root+0x45/0x48 [ 1762.367813] [] prepare_namespace+0x1cf/0x235 [ 1762.410643] [] kernel_init_freeable+0x4fa/0x518 [ 1762.454201] [] kernel_init+0x16/0x181 [ 1762.490612] [] ret_from_fork+0x1f/0x40 [ 1762.532050] [] ? rest_init+0x8f/0x8f [ 1762.569350] ================================================================================ [ 1762.636263] ================================================================================ [ 1762.707971] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1766:1 [ 1762.751026] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1762.819283] which requires 64 byte alignment [ 1762.850958] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1762.885056] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1762.944197] 00000000ffffffff 00000000b1a89c60 ffff88005c9df718 ffffffffb26ec5cc [ 1763.000554] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1763.060120] ffffffff00000010 ffff88005c9df740 ffff88005c9df6f0 ffffffffb363c3e0 [ 1763.129663] Call Trace: [ 1763.148132] [] dump_stack+0xd7/0x132 [ 1763.195452] [] ? arch_local_irq_restore+0x1b/0x1b [ 1763.244898] [] ubsan_epilogue+0x12/0x53 [ 1763.299945] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1763.365495] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1763.436628] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1763.487392] [] ext4_has_group_desc_csum+0x5b/0xfc [ 1763.534092] [] ext4_group_desc_csum_verify+0x2c/0x87 [ 1763.580178] [] ext4_fill_super+0x551c/0xa2df [ 1763.625647] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1763.669958] [] ? vsnprintf+0x1a0/0xa32 [ 1763.716510] [] ? pointer+0x7a9/0x7a9 [ 1763.764019] [] ? set_bdev_super+0x15d/0x15d [ 1763.809530] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1763.881203] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1763.938620] [] ? scnprintf+0xf3/0xf3 [ 1763.983878] [] mount_bdev+0x3cf/0x602 [ 1764.035526] [] ? mount_bdev+0x3cf/0x602 [ 1764.082012] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1764.147503] [] ext4_mount+0x3c/0x3e [ 1764.187251] [] mount_fs+0xd0/0x2ca [ 1764.227382] [] vfs_kern_mount+0xa0/0x20a [ 1764.272181] [] do_mount+0x11fe/0x19df [ 1764.315348] [] ? kasan_kmalloc+0x94/0xa3 [ 1764.363757] [] ? copy_mount_string+0x3d/0x3d [ 1764.408644] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1764.457428] [] ? __check_object_size+0x1e1/0x2b8 [ 1764.507892] [] ? 0xffffffffb1c002b8 [ 1764.551094] [] ? copy_mount_options+0x23d/0x24d [ 1764.597948] [] SyS_mount+0xa3/0xda [ 1764.635640] [] mount_block_root+0x2fc/0x650 [ 1764.685586] [] ? init_rootfs+0x99/0x99 [ 1764.729494] [] ? security_file_ioctl+0xa5/0xb4 [ 1764.778802] [] ? SyS_mknod+0x2f/0x36 [ 1764.821622] [] mount_root+0x45/0x48 [ 1764.860194] [] prepare_namespace+0x1cf/0x235 [ 1764.910459] [] kernel_init_freeable+0x4fa/0x518 [ 1764.955155] [] kernel_init+0x16/0x181 [ 1764.999002] [] ret_from_fork+0x1f/0x40 [ 1765.039750] [] ? rest_init+0x8f/0x8f [ 1765.077469] ================================================================================ [ 1765.138918] ================================================================================ [ 1765.202773] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1765.247495] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1765.311529] which requires 64 byte alignment [ 1765.350502] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1765.403019] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1765.476227] 00000000ffffffff 00000000b1a89c60 ffff88005c9df718 ffffffffb26ec5cc [ 1765.533708] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1765.592628] ffffffff00000010 ffff88005c9df740 ffff88005c9df6f0 ffffffffb363c3e0 [ 1765.647969] Call Trace: [ 1765.662197] [] dump_stack+0xd7/0x132 [ 1765.700117] [] ? arch_local_irq_restore+0x1b/0x1b [ 1765.746493] [] ubsan_epilogue+0x12/0x53 [ 1765.784648] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1765.832992] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1765.883707] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1765.933740] [] ext4_has_group_desc_csum+0xb7/0xfc [ 1765.979521] [] ext4_group_desc_csum_verify+0x2c/0x87 [ 1766.024162] [] ext4_fill_super+0x551c/0xa2df [ 1766.066161] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1766.109070] [] ? vsnprintf+0x1a0/0xa32 [ 1766.144764] [] ? pointer+0x7a9/0x7a9 [ 1766.183757] [] ? set_bdev_super+0x15d/0x15d [ 1766.219815] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1766.274996] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1766.325587] [] ? scnprintf+0xf3/0xf3 [ 1766.363910] [] mount_bdev+0x3cf/0x602 [ 1766.399546] [] ? mount_bdev+0x3cf/0x602 [ 1766.437320] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1766.481143] [] ext4_mount+0x3c/0x3e [ 1766.519341] [] mount_fs+0xd0/0x2ca [ 1766.549696] [] vfs_kern_mount+0xa0/0x20a [ 1766.597440] [] do_mount+0x11fe/0x19df [ 1766.640311] [] ? kasan_kmalloc+0x94/0xa3 [ 1766.684264] [] ? copy_mount_string+0x3d/0x3d [ 1766.729335] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1766.773544] [] ? __check_object_size+0x1e1/0x2b8 [ 1766.811474] [] ? 0xffffffffb1c002b8 [ 1766.844904] [] ? copy_mount_options+0x23d/0x24d [ 1766.892199] [] SyS_mount+0xa3/0xda [ 1766.931144] [] mount_block_root+0x2fc/0x650 [ 1766.974101] [] ? init_rootfs+0x99/0x99 [ 1767.008354] [] ? security_file_ioctl+0xa5/0xb4 [ 1767.054048] [] ? SyS_mknod+0x2f/0x36 [ 1767.094192] [] mount_root+0x45/0x48 [ 1767.128232] [] prepare_namespace+0x1cf/0x235 [ 1767.173306] [] kernel_init_freeable+0x4fa/0x518 [ 1767.215937] [] kernel_init+0x16/0x181 [ 1767.256885] [] ret_from_fork+0x1f/0x40 [ 1767.299048] [] ? rest_init+0x8f/0x8f [ 1767.335812] ================================================================================ [ 1767.393234] ================================================================================ [ 1767.455299] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2743:20 [ 1767.495743] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1767.664219] which requires 64 byte alignment [ 1767.705681] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1767.757494] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1767.837860] 00000000ffffffff 00000000b1a89c60 ffff88005c9df718 ffffffffb26ec5cc [ 1767.906764] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1767.969290] ffffffff00000010 ffff88005c9df740 ffff88005c9df6f0 ffffffffb363c3e0 [ 1768.031956] Call Trace: [ 1768.059477] [] dump_stack+0xd7/0x132 [ 1768.110853] [] ? arch_local_irq_restore+0x1b/0x1b [ 1768.166008] [] ubsan_epilogue+0x12/0x53 [ 1768.211020] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1768.273365] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1768.329097] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1768.391490] [] ext4_has_group_desc_csum+0xd0/0xfc [ 1768.444962] [] ext4_group_desc_csum_verify+0x2c/0x87 [ 1768.500767] [] ext4_fill_super+0x551c/0xa2df [ 1768.548889] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1768.621790] [] ? vsnprintf+0x1a0/0xa32 [ 1768.677726] [] ? pointer+0x7a9/0x7a9 [ 1768.722474] [] ? set_bdev_super+0x15d/0x15d [ 1768.770458] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1768.831600] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1768.894791] [] ? scnprintf+0xf3/0xf3 [ 1768.938785] [] mount_bdev+0x3cf/0x602 [ 1768.981371] [] ? mount_bdev+0x3cf/0x602 [ 1769.027407] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1769.085696] [] ext4_mount+0x3c/0x3e [ 1769.127084] [] mount_fs+0xd0/0x2ca [ 1769.170612] [] vfs_kern_mount+0xa0/0x20a [ 1769.212182] [] do_mount+0x11fe/0x19df [ 1769.254185] [] ? kasan_kmalloc+0x94/0xa3 [ 1769.289541] [] ? copy_mount_string+0x3d/0x3d [ 1769.336209] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1769.382500] [] ? __check_object_size+0x1e1/0x2b8 [ 1769.432418] [] ? 0xffffffffb1c002b8 [ 1769.468908] [] ? copy_mount_options+0x23d/0x24d [ 1769.510486] [] SyS_mount+0xa3/0xda [ 1769.553538] [] mount_block_root+0x2fc/0x650 [ 1769.603899] [] ? init_rootfs+0x99/0x99 [ 1769.646405] [] ? security_file_ioctl+0xa5/0xb4 [ 1769.710518] [] ? SyS_mknod+0x2f/0x36 [ 1769.756189] [] mount_root+0x45/0x48 [ 1769.793294] [] prepare_namespace+0x1cf/0x235 [ 1769.855827] [] kernel_init_freeable+0x4fa/0x518 [ 1769.909111] [] kernel_init+0x16/0x181 [ 1769.953199] [] ret_from_fork+0x1f/0x40 [ 1769.999780] [] ? rest_init+0x8f/0x8f [ 1770.041778] ================================================================================ [ 1770.103837] ================================================================================ [ 1770.162599] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1770.203035] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1770.267790] which requires 64 byte alignment [ 1770.301476] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1770.340184] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1770.405548] 00000000ffffffff 00000000b1a89c60 ffff88005c9df658 ffffffffb26ec5cc [ 1770.465188] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1770.528824] 0000000000000010 ffff88005c9df680 ffff88005c9df630 ffffffffb363c3e0 [ 1770.599873] Call Trace: [ 1770.619167] [] dump_stack+0xd7/0x132 [ 1770.660680] [] ? arch_local_irq_restore+0x1b/0x1b [ 1770.723112] [] ubsan_epilogue+0x12/0x53 [ 1770.771533] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1770.831761] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1770.896405] [] ? ubsan_epilogue+0x26/0x53 [ 1770.940976] [] ? arch_local_irq_restore+0x6/0xd [ 1770.996055] [] ext4_group_desc_csum+0xb9/0x476 [ 1771.051259] [] ? perf_trace_ext4_es_shrink+0x2f0/0x2f0 [ 1771.103665] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1771.160370] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1771.224876] [] ext4_group_desc_csum_verify+0x6a/0x87 [ 1771.284476] [] ext4_fill_super+0x551c/0xa2df [ 1771.333130] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1771.387392] [] ? vsnprintf+0x1a0/0xa32 [ 1771.435190] [] ? pointer+0x7a9/0x7a9 [ 1771.481288] [] ? set_bdev_super+0x15d/0x15d [ 1771.535536] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1771.595454] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1771.654157] [] ? scnprintf+0xf3/0xf3 [ 1771.698610] [] mount_bdev+0x3cf/0x602 [ 1771.741895] [] ? mount_bdev+0x3cf/0x602 [ 1771.787664] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1771.840109] [] ext4_mount+0x3c/0x3e [ 1771.884426] [] mount_fs+0xd0/0x2ca [ 1771.927393] [] vfs_kern_mount+0xa0/0x20a [ 1771.968084] [] do_mount+0x11fe/0x19df [ 1772.006654] [] ? kasan_kmalloc+0x94/0xa3 [ 1772.052487] [] ? copy_mount_string+0x3d/0x3d [ 1772.095858] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1772.146550] [] ? __check_object_size+0x1e1/0x2b8 [ 1772.198715] [] ? 0xffffffffb1c002b8 [ 1772.241756] [] ? copy_mount_options+0x23d/0x24d [ 1772.296694] [] SyS_mount+0xa3/0xda [ 1772.334164] [] mount_block_root+0x2fc/0x650 [ 1772.376941] [] ? init_rootfs+0x99/0x99 [ 1772.411421] [] ? security_file_ioctl+0xa5/0xb4 [ 1772.452475] [] ? SyS_mknod+0x2f/0x36 [ 1772.493793] [] mount_root+0x45/0x48 [ 1772.524185] [] prepare_namespace+0x1cf/0x235 [ 1772.562697] [] kernel_init_freeable+0x4fa/0x518 [ 1772.605875] [] kernel_init+0x16/0x181 [ 1772.649014] [] ret_from_fork+0x1f/0x40 [ 1772.689074] [] ? rest_init+0x8f/0x8f [ 1772.733565] ================================================================================ [ 1772.806540] ================================================================================ [ 1772.870677] UBSAN: Undefined behaviour in fs/ext4/super.c:2181:6 [ 1772.925000] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1772.983307] which requires 64 byte alignment [ 1773.011527] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1773.054098] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1773.128392] 00000000ffffffff 00000000b1a89c60 ffff88005c9df658 ffffffffb26ec5cc [ 1773.182784] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1773.248899] ffffffff00000010 ffff88005c9df680 ffff88005c9df630 ffffffffb363c3e0 [ 1773.327265] Call Trace: [ 1773.343605] [] dump_stack+0xd7/0x132 [ 1773.391018] [] ? arch_local_irq_restore+0x1b/0x1b [ 1773.448498] [] ubsan_epilogue+0x12/0x53 [ 1773.504980] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1773.572568] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1773.628313] [] ? ubsan_epilogue+0x26/0x53 [ 1773.678087] [] ? arch_local_irq_restore+0x6/0xd [ 1773.728518] [] ext4_group_desc_csum+0xf1/0x476 [ 1773.779756] [] ? perf_trace_ext4_es_shrink+0x2f0/0x2f0 [ 1773.839831] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1773.897620] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1773.955041] [] ext4_group_desc_csum_verify+0x6a/0x87 [ 1774.008857] [] ext4_fill_super+0x551c/0xa2df [ 1774.059138] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1774.119647] [] ? vsnprintf+0x1a0/0xa32 [ 1774.160015] [] ? pointer+0x7a9/0x7a9 [ 1774.207298] [] ? set_bdev_super+0x15d/0x15d [ 1774.258298] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1774.321433] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1774.370671] [] ? scnprintf+0xf3/0xf3 [ 1774.404365] [] mount_bdev+0x3cf/0x602 [ 1774.444991] [] ? mount_bdev+0x3cf/0x602 [ 1774.487961] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1774.545530] [] ext4_mount+0x3c/0x3e [ 1774.581444] [] mount_fs+0xd0/0x2ca [ 1774.615325] [] vfs_kern_mount+0xa0/0x20a [ 1774.657015] [] do_mount+0x11fe/0x19df [ 1774.688472] [] ? kasan_kmalloc+0x94/0xa3 [ 1774.736164] [] ? copy_mount_string+0x3d/0x3d [ 1774.790607] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1774.844756] [] ? __check_object_size+0x1e1/0x2b8 [ 1774.896541] [] ? 0xffffffffb1c002b8 [ 1774.936687] [] ? copy_mount_options+0x23d/0x24d [ 1774.996566] [] SyS_mount+0xa3/0xda [ 1775.044001] [] mount_block_root+0x2fc/0x650 [ 1775.088479] [] ? init_rootfs+0x99/0x99 [ 1775.135401] [] ? security_file_ioctl+0xa5/0xb4 [ 1775.182710] [] ? SyS_mknod+0x2f/0x36 [ 1775.228999] [] mount_root+0x45/0x48 [ 1775.275653] [] prepare_namespace+0x1cf/0x235 [ 1775.325318] [] kernel_init_freeable+0x4fa/0x518 [ 1775.377416] [] kernel_init+0x16/0x181 [ 1775.414691] [] ret_from_fork+0x1f/0x40 [ 1775.464219] [] ? rest_init+0x8f/0x8f [ 1775.506767] ================================================================================ [ 1775.571680] ================================================================================ [ 1775.629312] UBSAN: Undefined behaviour in fs/ext4/super.c:2186:12 [ 1775.671102] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1775.740584] which requires 64 byte alignment [ 1775.765721] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1775.957795] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1776.050518] 00000000ffffffff 00000000b1a89c60 ffff88005c9df658 ffffffffb26ec5cc [ 1776.120557] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1776.180428] 0000000000000010 ffff88005c9df680 ffff88005c9df630 ffffffffb363c3e0 [ 1776.248414] Call Trace: [ 1776.271313] [] dump_stack+0xd7/0x132 [ 1776.317106] [] ? arch_local_irq_restore+0x1b/0x1b [ 1776.376772] [] ubsan_epilogue+0x12/0x53 [ 1776.427054] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1776.489042] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1776.550017] [] ext4_group_desc_csum+0x136/0x476 [ 1776.604790] [] ? perf_trace_ext4_es_shrink+0x2f0/0x2f0 [ 1776.656118] [] ? mpi_powm+0x894/0x19e8 [ 1776.704013] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1776.766790] [] ext4_group_desc_csum_verify+0x6a/0x87 [ 1776.820252] [] ext4_fill_super+0x551c/0xa2df [ 1776.870223] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1776.924427] [] ? vsnprintf+0x1a0/0xa32 [ 1776.966368] [] ? pointer+0x7a9/0x7a9 [ 1777.012332] [] ? set_bdev_super+0x15d/0x15d [ 1777.057607] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1777.115831] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1777.177349] [] ? scnprintf+0xf3/0xf3 [ 1777.221263] [] mount_bdev+0x3cf/0x602 [ 1777.270739] [] ? mount_bdev+0x3cf/0x602 [ 1777.316479] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1777.373452] [] ext4_mount+0x3c/0x3e [ 1777.407084] [] mount_fs+0xd0/0x2ca [ 1777.452096] [] vfs_kern_mount+0xa0/0x20a [ 1777.500229] [] do_mount+0x11fe/0x19df [ 1777.545369] [] ? kasan_kmalloc+0x94/0xa3 [ 1777.589048] [] ? copy_mount_string+0x3d/0x3d [ 1777.639326] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1777.692318] [] ? __check_object_size+0x1e1/0x2b8 [ 1777.747106] [] ? 0xffffffffb1c002b8 [ 1777.790457] [] ? copy_mount_options+0x23d/0x24d [ 1777.831450] [] SyS_mount+0xa3/0xda [ 1777.864458] [] mount_block_root+0x2fc/0x650 [ 1777.909657] [] ? init_rootfs+0x99/0x99 [ 1777.950309] [] ? security_file_ioctl+0xa5/0xb4 [ 1777.994894] [] ? SyS_mknod+0x2f/0x36 [ 1778.029984] [] mount_root+0x45/0x48 [ 1778.062470] [] prepare_namespace+0x1cf/0x235 [ 1778.110775] [] kernel_init_freeable+0x4fa/0x518 [ 1778.150620] [] kernel_init+0x16/0x181 [ 1778.194559] [] ret_from_fork+0x1f/0x40 [ 1778.233054] [] ? rest_init+0x8f/0x8f [ 1778.277889] ================================================================================ [ 1778.355059] ================================================================================ [ 1778.431695] UBSAN: Undefined behaviour in fs/ext4/super.c:2192:19 [ 1778.493802] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1778.574744] which requires 64 byte alignment [ 1778.615959] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1778.665746] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1778.775931] 00000000ffffffff 00000000b1a89c60 ffff88005c9df658 ffffffffb26ec5cc [ 1778.899050] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1779.047196] ffff880000000010 ffff88005c9df680 ffff88005c9df630 ffffffffb363c3e0 [ 1779.147936] Call Trace: [ 1779.165154] [] dump_stack+0xd7/0x132 [ 1779.236687] [] ? arch_local_irq_restore+0x1b/0x1b [ 1779.320556] [] ubsan_epilogue+0x12/0x53 [ 1779.379432] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1779.464788] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1779.530406] [] ext4_group_desc_csum+0x19e/0x476 [ 1779.579349] [] ? perf_trace_ext4_es_shrink+0x2f0/0x2f0 [ 1779.625365] [] ? mpi_powm+0x894/0x19e8 [ 1779.675373] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1779.796270] [] ext4_group_desc_csum_verify+0x6a/0x87 [ 1779.862708] [] ext4_fill_super+0x551c/0xa2df [ 1779.971442] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1780.044301] [] ? vsnprintf+0x1a0/0xa32 [ 1780.093579] [] ? pointer+0x7a9/0x7a9 [ 1780.143253] [] ? set_bdev_super+0x15d/0x15d [ 1780.199454] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1780.267546] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1780.335992] [] ? scnprintf+0xf3/0xf3 [ 1780.388539] [] mount_bdev+0x3cf/0x602 [ 1780.438340] [] ? mount_bdev+0x3cf/0x602 [ 1780.489306] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1780.547851] [] ext4_mount+0x3c/0x3e [ 1780.590945] [] mount_fs+0xd0/0x2ca [ 1780.632894] [] vfs_kern_mount+0xa0/0x20a [ 1780.682364] [] do_mount+0x11fe/0x19df [ 1780.728798] [] ? kasan_kmalloc+0x94/0xa3 [ 1780.775802] [] ? copy_mount_string+0x3d/0x3d [ 1780.822900] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1780.880266] [] ? __check_object_size+0x1e1/0x2b8 [ 1780.938811] [] ? 0xffffffffb1c002b8 [ 1780.984377] [] ? copy_mount_options+0x23d/0x24d [ 1781.049323] [] SyS_mount+0xa3/0xda [ 1781.103248] [] mount_block_root+0x2fc/0x650 [ 1781.162421] [] ? init_rootfs+0x99/0x99 [ 1781.223348] [] ? security_file_ioctl+0xa5/0xb4 [ 1781.280796] [] ? SyS_mknod+0x2f/0x36 [ 1781.331306] [] mount_root+0x45/0x48 [ 1781.378776] [] prepare_namespace+0x1cf/0x235 [ 1781.431417] [] kernel_init_freeable+0x4fa/0x518 [ 1781.487051] [] kernel_init+0x16/0x181 [ 1781.536617] [] ret_from_fork+0x1f/0x40 [ 1781.586314] [] ? rest_init+0x8f/0x8f [ 1781.639918] ================================================================================ [ 1781.728830] ================================================================================ [ 1781.800532] UBSAN: Undefined behaviour in fs/ext4/super.c:2194:14 [ 1781.850386] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1781.923291] which requires 64 byte alignment [ 1781.960271] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1782.001342] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1782.080527] 00000000ffffffff 00000000b1a89c60 ffff88005c9df658 ffffffffb26ec5cc [ 1782.148772] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1782.227180] ffffffff00000010 ffff88005c9df680 ffff88005c9df630 ffffffffb363c3e0 [ 1782.302735] Call Trace: [ 1782.328103] [] dump_stack+0xd7/0x132 [ 1782.370247] [] ? arch_local_irq_restore+0x1b/0x1b [ 1782.412166] [] ubsan_epilogue+0x12/0x53 [ 1782.449279] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1782.502125] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1782.553875] [] ext4_group_desc_csum+0x1cd/0x476 [ 1782.599801] [] ? perf_trace_ext4_es_shrink+0x2f0/0x2f0 [ 1782.645256] [] ? mpi_powm+0x894/0x19e8 [ 1782.695509] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1782.753476] [] ext4_group_desc_csum_verify+0x6a/0x87 [ 1782.817521] [] ext4_fill_super+0x551c/0xa2df [ 1782.866730] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1782.925319] [] ? vsnprintf+0x1a0/0xa32 [ 1782.975973] [] ? pointer+0x7a9/0x7a9 [ 1783.028752] [] ? set_bdev_super+0x15d/0x15d [ 1783.086124] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1783.151962] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1783.224317] [] ? scnprintf+0xf3/0xf3 [ 1783.280824] [] mount_bdev+0x3cf/0x602 [ 1783.329770] [] ? mount_bdev+0x3cf/0x602 [ 1783.381023] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1783.442127] [] ext4_mount+0x3c/0x3e [ 1783.484194] [] mount_fs+0xd0/0x2ca [ 1783.523579] [] vfs_kern_mount+0xa0/0x20a [ 1783.568992] [] do_mount+0x11fe/0x19df [ 1783.618481] [] ? kasan_kmalloc+0x94/0xa3 [ 1783.667528] [] ? copy_mount_string+0x3d/0x3d [ 1783.733566] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1783.801127] [] ? __check_object_size+0x1e1/0x2b8 [ 1783.876433] [] ? 0xffffffffb1c002b8 [ 1783.926736] [] ? copy_mount_options+0x23d/0x24d [ 1783.982661] [] SyS_mount+0xa3/0xda [ 1784.027527] [] mount_block_root+0x2fc/0x650 [ 1784.085588] [] ? init_rootfs+0x99/0x99 [ 1784.150039] [] ? security_file_ioctl+0xa5/0xb4 [ 1784.205637] [] ? SyS_mknod+0x2f/0x36 [ 1784.250945] [] mount_root+0x45/0x48 [ 1784.317356] [] prepare_namespace+0x1cf/0x235 [ 1784.381804] [] kernel_init_freeable+0x4fa/0x518 [ 1784.436173] [] kernel_init+0x16/0x181 [ 1784.479630] [] ret_from_fork+0x1f/0x40 [ 1784.525218] [] ? rest_init+0x8f/0x8f [ 1784.570044] ================================================================================ [ 1784.646560] ================================================================================ [ 1784.729098] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1784.793399] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1784.886178] which requires 64 byte alignment [ 1784.929389] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1784.995103] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1785.090042] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1785.168501] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1785.243944] ffff880000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1785.304861] Call Trace: [ 1785.322246] [] dump_stack+0xd7/0x132 [ 1785.369273] [] ? arch_local_irq_restore+0x1b/0x1b [ 1785.420799] [] ubsan_epilogue+0x12/0x53 [ 1785.468706] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1785.524473] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1785.581710] [] ext4_fill_super+0x5656/0xa2df [ 1785.633673] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1785.682187] [] ? vsnprintf+0x1a0/0xa32 [ 1785.735450] [] ? pointer+0x7a9/0x7a9 [ 1785.784798] [] ? set_bdev_super+0x15d/0x15d [ 1785.831669] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1785.887939] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1785.955721] [] ? scnprintf+0xf3/0xf3 [ 1786.000265] [] mount_bdev+0x3cf/0x602 [ 1786.048225] [] ? mount_bdev+0x3cf/0x602 [ 1786.100894] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1786.154975] [] ext4_mount+0x3c/0x3e [ 1786.203381] [] mount_fs+0xd0/0x2ca [ 1786.252125] [] vfs_kern_mount+0xa0/0x20a [ 1786.311119] [] do_mount+0x11fe/0x19df [ 1786.356373] [] ? kasan_kmalloc+0x94/0xa3 [ 1786.416772] [] ? copy_mount_string+0x3d/0x3d [ 1786.467085] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1786.522324] [] ? __check_object_size+0x1e1/0x2b8 [ 1786.578197] [] ? 0xffffffffb1c002b8 [ 1786.620509] [] ? copy_mount_options+0x23d/0x24d [ 1786.680552] [] SyS_mount+0xa3/0xda [ 1786.727811] [] mount_block_root+0x2fc/0x650 [ 1786.770616] [] ? init_rootfs+0x99/0x99 [ 1786.811177] [] ? security_file_ioctl+0xa5/0xb4 [ 1786.857076] [] ? SyS_mknod+0x2f/0x36 [ 1786.919209] [] mount_root+0x45/0x48 [ 1786.959126] [] prepare_namespace+0x1cf/0x235 [ 1787.008238] [] kernel_init_freeable+0x4fa/0x518 [ 1787.053706] [] kernel_init+0x16/0x181 [ 1787.101075] [] ret_from_fork+0x1f/0x40 [ 1787.150146] [] ? rest_init+0x8f/0x8f [ 1787.198814] ================================================================================ [ 1787.298504] ================================================================================ [ 1787.362270] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2933:9 [ 1787.401147] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1787.469413] which requires 64 byte alignment [ 1787.497571] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1787.533594] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1787.608980] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1787.662587] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1787.724785] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1787.820295] Call Trace: [ 1787.834399] [] dump_stack+0xd7/0x132 [ 1787.870786] [] ? arch_local_irq_restore+0x1b/0x1b [ 1787.914471] [] ubsan_epilogue+0x12/0x53 [ 1787.951392] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1788.000701] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1788.068723] [] ext4_fill_super+0x5683/0xa2df [ 1788.124430] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1788.169191] [] ? vsnprintf+0x1a0/0xa32 [ 1788.208030] [] ? pointer+0x7a9/0x7a9 [ 1788.245811] [] ? set_bdev_super+0x15d/0x15d [ 1788.287302] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1788.341787] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1788.392174] [] ? scnprintf+0xf3/0xf3 [ 1788.427999] [] mount_bdev+0x3cf/0x602 [ 1788.494833] [] ? mount_bdev+0x3cf/0x602 [ 1788.535418] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1788.587580] [] ext4_mount+0x3c/0x3e [ 1788.625197] [] mount_fs+0xd0/0x2ca [ 1788.663421] [] vfs_kern_mount+0xa0/0x20a [ 1788.719620] [] do_mount+0x11fe/0x19df [ 1788.762982] [] ? kasan_kmalloc+0x94/0xa3 [ 1788.812754] [] ? copy_mount_string+0x3d/0x3d [ 1788.848148] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1788.897897] [] ? __check_object_size+0x1e1/0x2b8 [ 1788.945254] [] ? 0xffffffffb1c002b8 [ 1788.983173] [] ? copy_mount_options+0x23d/0x24d [ 1789.031787] [] SyS_mount+0xa3/0xda [ 1789.077156] [] mount_block_root+0x2fc/0x650 [ 1789.120613] [] ? init_rootfs+0x99/0x99 [ 1789.161680] [] ? security_file_ioctl+0xa5/0xb4 [ 1789.209169] [] ? SyS_mknod+0x2f/0x36 [ 1789.249994] [] mount_root+0x45/0x48 [ 1789.286501] [] prepare_namespace+0x1cf/0x235 [ 1789.339458] [] kernel_init_freeable+0x4fa/0x518 [ 1789.386687] [] kernel_init+0x16/0x181 [ 1789.425853] [] ret_from_fork+0x1f/0x40 [ 1789.469568] [] ? rest_init+0x8f/0x8f [ 1789.531334] ================================================================================ [ 1789.635250] ================================================================================ [ 1789.737754] UBSAN: Undefined behaviour in fs/ext4/super.c:3832:19 [ 1789.821712] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1789.931319] which requires 64 byte alignment [ 1789.967941] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1790.017227] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1790.095660] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1790.152017] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1790.221185] ffff880000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1790.297544] Call Trace: [ 1790.323721] [] dump_stack+0xd7/0x132 [ 1790.384289] [] ? arch_local_irq_restore+0x1b/0x1b [ 1790.444611] [] ubsan_epilogue+0x12/0x53 [ 1790.499573] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1790.569324] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1790.636007] [] ext4_fill_super+0x5750/0xa2df [ 1790.686791] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1790.747591] [] ? vsnprintf+0x1a0/0xa32 [ 1790.789189] [] ? pointer+0x7a9/0x7a9 [ 1790.830004] [] ? set_bdev_super+0x15d/0x15d [ 1790.870635] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1790.925975] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1790.979926] [] ? scnprintf+0xf3/0xf3 [ 1791.016870] [] mount_bdev+0x3cf/0x602 [ 1791.061887] [] ? mount_bdev+0x3cf/0x602 [ 1791.106340] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1791.160220] [] ext4_mount+0x3c/0x3e [ 1791.196876] [] mount_fs+0xd0/0x2ca [ 1791.230677] [] vfs_kern_mount+0xa0/0x20a [ 1791.269635] [] do_mount+0x11fe/0x19df [ 1791.303977] [] ? kasan_kmalloc+0x94/0xa3 [ 1791.348896] [] ? copy_mount_string+0x3d/0x3d [ 1791.390593] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1791.436109] [] ? __check_object_size+0x1e1/0x2b8 [ 1791.480066] [] ? 0xffffffffb1c002b8 [ 1791.520683] [] ? copy_mount_options+0x23d/0x24d [ 1791.563907] [] SyS_mount+0xa3/0xda [ 1791.603042] [] mount_block_root+0x2fc/0x650 [ 1791.649721] [] ? init_rootfs+0x99/0x99 [ 1791.685161] [] ? security_file_ioctl+0xa5/0xb4 [ 1791.728631] [] ? SyS_mknod+0x2f/0x36 [ 1791.772499] [] mount_root+0x45/0x48 [ 1791.806957] [] prepare_namespace+0x1cf/0x235 [ 1791.861348] [] kernel_init_freeable+0x4fa/0x518 [ 1791.917317] [] kernel_init+0x16/0x181 [ 1791.965847] [] ret_from_fork+0x1f/0x40 [ 1792.013500] [] ? rest_init+0x8f/0x8f [ 1792.050583] ================================================================================ [ 1792.115165] ================================================================================ [ 1792.186705] UBSAN: Undefined behaviour in fs/ext4/super.c:3834:2 [ 1792.231060] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1792.302929] which requires 64 byte alignment [ 1792.341694] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1792.381975] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1792.451645] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1792.503534] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1792.566883] ffff880000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1792.625027] Call Trace: [ 1792.644223] [] dump_stack+0xd7/0x132 [ 1792.684479] [] ? arch_local_irq_restore+0x1b/0x1b [ 1792.736066] [] ubsan_epilogue+0x12/0x53 [ 1792.777198] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1792.837188] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1792.891894] [] ext4_fill_super+0x578f/0xa2df [ 1792.940445] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1792.999186] [] ? vsnprintf+0x1a0/0xa32 [ 1793.049123] [] ? pointer+0x7a9/0x7a9 [ 1793.095305] [] ? set_bdev_super+0x15d/0x15d [ 1793.162984] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1793.224380] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1793.289125] [] ? scnprintf+0xf3/0xf3 [ 1793.349323] [] mount_bdev+0x3cf/0x602 [ 1793.397120] [] ? mount_bdev+0x3cf/0x602 [ 1793.451432] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1793.515798] [] ext4_mount+0x3c/0x3e [ 1793.555333] [] mount_fs+0xd0/0x2ca [ 1793.599790] [] vfs_kern_mount+0xa0/0x20a [ 1793.646706] [] do_mount+0x11fe/0x19df [ 1793.698729] [] ? kasan_kmalloc+0x94/0xa3 [ 1793.736175] [] ? copy_mount_string+0x3d/0x3d [ 1793.781013] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1793.822247] [] ? __check_object_size+0x1e1/0x2b8 [ 1793.870514] [] ? 0xffffffffb1c002b8 [ 1793.909013] [] ? copy_mount_options+0x23d/0x24d [ 1793.957293] [] SyS_mount+0xa3/0xda [ 1793.989289] [] mount_block_root+0x2fc/0x650 [ 1794.032673] [] ? init_rootfs+0x99/0x99 [ 1794.067097] [] ? security_file_ioctl+0xa5/0xb4 [ 1794.118964] [] ? SyS_mknod+0x2f/0x36 [ 1794.168754] [] mount_root+0x45/0x48 [ 1794.217817] [] prepare_namespace+0x1cf/0x235 [ 1794.269450] [] kernel_init_freeable+0x4fa/0x518 [ 1794.331004] [] kernel_init+0x16/0x181 [ 1794.381683] [] ret_from_fork+0x1f/0x40 [ 1794.437769] [] ? rest_init+0x8f/0x8f [ 1794.480822] ================================================================================ [ 1794.554807] ================================================================================ [ 1794.635863] UBSAN: Undefined behaviour in fs/ext4/super.c:3836:2 [ 1794.687906] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1794.762651] which requires 64 byte alignment [ 1794.798601] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1794.850623] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1794.935744] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1794.999148] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1795.064883] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1795.128149] Call Trace: [ 1795.148724] [] dump_stack+0xd7/0x132 [ 1795.200573] [] ? arch_local_irq_restore+0x1b/0x1b [ 1795.253693] [] ubsan_epilogue+0x12/0x53 [ 1795.301357] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1795.357319] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1795.430890] [] ? memset+0x31/0x38 [ 1795.471371] [] ext4_fill_super+0x57dc/0xa2df [ 1795.522932] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1795.577146] [] ? vsnprintf+0x1a0/0xa32 [ 1795.624173] [] ? pointer+0x7a9/0x7a9 [ 1795.668282] [] ? set_bdev_super+0x15d/0x15d [ 1795.709165] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1795.761398] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1795.812011] [] ? scnprintf+0xf3/0xf3 [ 1795.844057] [] mount_bdev+0x3cf/0x602 [ 1795.885916] [] ? mount_bdev+0x3cf/0x602 [ 1795.927427] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1795.981102] [] ext4_mount+0x3c/0x3e [ 1796.023033] [] mount_fs+0xd0/0x2ca [ 1796.065774] [] vfs_kern_mount+0xa0/0x20a [ 1796.115581] [] do_mount+0x11fe/0x19df [ 1796.164732] [] ? kasan_kmalloc+0x94/0xa3 [ 1796.209366] [] ? copy_mount_string+0x3d/0x3d [ 1796.266559] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1796.320419] [] ? __check_object_size+0x1e1/0x2b8 [ 1796.372866] [] ? 0xffffffffb1c002b8 [ 1796.434393] [] ? copy_mount_options+0x23d/0x24d [ 1796.487493] [] SyS_mount+0xa3/0xda [ 1796.525852] [] mount_block_root+0x2fc/0x650 [ 1796.577221] [] ? init_rootfs+0x99/0x99 [ 1796.624422] [] ? security_file_ioctl+0xa5/0xb4 [ 1796.675004] [] ? SyS_mknod+0x2f/0x36 [ 1796.723071] [] mount_root+0x45/0x48 [ 1796.767951] [] prepare_namespace+0x1cf/0x235 [ 1796.825551] [] kernel_init_freeable+0x4fa/0x518 [ 1796.881248] [] kernel_init+0x16/0x181 [ 1796.931024] [] ret_from_fork+0x1f/0x40 [ 1796.984771] [] ? rest_init+0x8f/0x8f [ 1797.050776] ================================================================================ [ 1797.151397] ================================================================================ [ 1797.232110] UBSAN: Undefined behaviour in fs/ext4/super.c:3836:2 [ 1797.273385] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1797.342954] which requires 64 byte alignment [ 1797.373231] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1797.417454] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1797.496414] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1797.577223] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1797.673652] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1797.750001] Call Trace: [ 1797.772593] [] dump_stack+0xd7/0x132 [ 1797.833192] [] ? arch_local_irq_restore+0x1b/0x1b [ 1797.899187] [] ubsan_epilogue+0x12/0x53 [ 1797.960096] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1798.022473] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1798.108501] [] ? memset+0x31/0x38 [ 1798.180832] [] ext4_fill_super+0x580d/0xa2df [ 1798.265421] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1798.363580] [] ? vsnprintf+0x1a0/0xa32 [ 1798.421105] [] ? pointer+0x7a9/0x7a9 [ 1798.475230] [] ? set_bdev_super+0x15d/0x15d [ 1798.523712] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1798.583679] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1798.652771] [] ? scnprintf+0xf3/0xf3 [ 1798.695459] [] mount_bdev+0x3cf/0x602 [ 1798.741707] [] ? mount_bdev+0x3cf/0x602 [ 1798.786234] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1798.840950] [] ext4_mount+0x3c/0x3e [ 1798.880401] [] mount_fs+0xd0/0x2ca [ 1798.916078] [] vfs_kern_mount+0xa0/0x20a [ 1798.961404] [] do_mount+0x11fe/0x19df [ 1798.998520] [] ? kasan_kmalloc+0x94/0xa3 [ 1799.045783] [] ? copy_mount_string+0x3d/0x3d [ 1799.095260] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1799.148623] [] ? __check_object_size+0x1e1/0x2b8 [ 1799.199853] [] ? 0xffffffffb1c002b8 [ 1799.238838] [] ? copy_mount_options+0x23d/0x24d [ 1799.283187] [] SyS_mount+0xa3/0xda [ 1799.313422] [] mount_block_root+0x2fc/0x650 [ 1799.363764] [] ? init_rootfs+0x99/0x99 [ 1799.400827] [] ? security_file_ioctl+0xa5/0xb4 [ 1799.449439] [] ? SyS_mknod+0x2f/0x36 [ 1799.486320] [] mount_root+0x45/0x48 [ 1799.524612] [] prepare_namespace+0x1cf/0x235 [ 1799.581334] [] kernel_init_freeable+0x4fa/0x518 [ 1799.639614] [] kernel_init+0x16/0x181 [ 1799.688081] [] ret_from_fork+0x1f/0x40 [ 1799.734048] [] ? rest_init+0x8f/0x8f [ 1799.783145] ================================================================================ [ 1799.867302] ================================================================================ [ 1799.959123] UBSAN: Undefined behaviour in fs/ext4/extents_status.c:1142:21 [ 1800.017176] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1800.099128] which requires 64 byte alignment [ 1800.140971] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1800.191600] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1800.269087] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d8 ffffffffb26ec5cc [ 1800.332271] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1800.386272] ffffffff00000010 ffff88005c9df700 ffff88005c9df6b0 ffffffffb363c3e0 [ 1800.437273] Call Trace: [ 1800.464566] [] dump_stack+0xd7/0x132 [ 1800.507619] [] ? arch_local_irq_restore+0x1b/0x1b [ 1800.560840] [] ubsan_epilogue+0x12/0x53 [ 1800.611209] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1800.685546] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1800.771878] [] ? arch_local_irq_restore+0x6/0xd [ 1800.855579] [] ext4_es_register_shrinker+0xe7/0x388 [ 1800.945593] [] ? ext4_seq_es_shrinker_info_show+0x3c9/0x3c9 [ 1801.026339] [] ? memset+0x31/0x38 [ 1801.072530] [] ext4_fill_super+0x5828/0xa2df [ 1801.138967] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1801.208275] [] ? vsnprintf+0x1a0/0xa32 [ 1801.266264] [] ? pointer+0x7a9/0x7a9 [ 1801.311864] [] ? set_bdev_super+0x15d/0x15d [ 1801.372959] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1801.437998] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1801.501852] [] ? scnprintf+0xf3/0xf3 [ 1801.549141] [] mount_bdev+0x3cf/0x602 [ 1801.596491] [] ? mount_bdev+0x3cf/0x602 [ 1801.652876] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1801.707430] [] ext4_mount+0x3c/0x3e [ 1801.755119] [] mount_fs+0xd0/0x2ca [ 1801.805424] [] vfs_kern_mount+0xa0/0x20a [ 1801.854817] [] do_mount+0x11fe/0x19df [ 1801.906826] [] ? kasan_kmalloc+0x94/0xa3 [ 1801.950455] [] ? copy_mount_string+0x3d/0x3d [ 1801.991603] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1802.031090] [] ? __check_object_size+0x1e1/0x2b8 [ 1802.081100] [] ? 0xffffffffb1c002b8 [ 1802.119095] [] ? copy_mount_options+0x23d/0x24d [ 1802.162465] [] SyS_mount+0xa3/0xda [ 1802.200868] [] mount_block_root+0x2fc/0x650 [ 1802.244425] [] ? init_rootfs+0x99/0x99 [ 1802.292165] [] ? security_file_ioctl+0xa5/0xb4 [ 1802.360030] [] ? SyS_mknod+0x2f/0x36 [ 1802.415628] [] mount_root+0x45/0x48 [ 1802.461373] [] prepare_namespace+0x1cf/0x235 [ 1802.508565] [] kernel_init_freeable+0x4fa/0x518 [ 1802.562192] [] kernel_init+0x16/0x181 [ 1802.601109] [] ret_from_fork+0x1f/0x40 [ 1802.643590] [] ? rest_init+0x8f/0x8f [ 1802.687721] ================================================================================ [ 1802.753710] ================================================================================ [ 1802.825751] UBSAN: Undefined behaviour in fs/ext4/extents_status.c:1143:2 [ 1802.896885] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1803.005261] which requires 64 byte alignment [ 1803.061192] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1803.162825] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1803.288684] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d8 ffffffffb26ec5cc [ 1803.353382] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1803.404548] ffffffff00000010 ffff88005c9df700 ffff88005c9df6b0 ffffffffb363c3e0 [ 1803.466960] Call Trace: [ 1803.486651] [] dump_stack+0xd7/0x132 [ 1803.525434] [] ? arch_local_irq_restore+0x1b/0x1b [ 1803.588854] [] ubsan_epilogue+0x12/0x53 [ 1803.636794] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1803.701330] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1803.773079] [] ? arch_local_irq_restore+0x6/0xd [ 1803.837339] [] ext4_es_register_shrinker+0x117/0x388 [ 1803.908239] [] ? ext4_seq_es_shrinker_info_show+0x3c9/0x3c9 [ 1803.982535] [] ? memset+0x31/0x38 [ 1804.024986] [] ext4_fill_super+0x5828/0xa2df [ 1804.086668] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1804.143624] [] ? vsnprintf+0x1a0/0xa32 [ 1804.191925] [] ? pointer+0x7a9/0x7a9 [ 1804.247477] [] ? set_bdev_super+0x15d/0x15d [ 1804.296915] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1804.517602] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1804.701502] [] ? scnprintf+0xf3/0xf3 [ 1804.743134] [] mount_bdev+0x3cf/0x602 [ 1804.792567] [] ? mount_bdev+0x3cf/0x602 [ 1804.840924] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1804.892580] [] ext4_mount+0x3c/0x3e [ 1804.936614] [] mount_fs+0xd0/0x2ca [ 1804.970163] [] vfs_kern_mount+0xa0/0x20a [ 1805.017970] [] do_mount+0x11fe/0x19df [ 1805.064229] [] ? kasan_kmalloc+0x94/0xa3 [ 1805.102851] [] ? copy_mount_string+0x3d/0x3d [ 1805.152980] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1805.202273] [] ? __check_object_size+0x1e1/0x2b8 [ 1805.258546] [] ? 0xffffffffb1c002b8 [ 1805.302707] [] ? copy_mount_options+0x23d/0x24d [ 1805.349871] [] SyS_mount+0xa3/0xda [ 1805.385189] [] mount_block_root+0x2fc/0x650 [ 1805.428136] [] ? init_rootfs+0x99/0x99 [ 1805.466308] [] ? security_file_ioctl+0xa5/0xb4 [ 1805.511704] [] ? SyS_mknod+0x2f/0x36 [ 1805.556795] [] mount_root+0x45/0x48 [ 1805.593547] [] prepare_namespace+0x1cf/0x235 [ 1805.644319] [] kernel_init_freeable+0x4fa/0x518 [ 1805.706548] [] kernel_init+0x16/0x181 [ 1805.757575] [] ret_from_fork+0x1f/0x40 [ 1805.812568] [] ? rest_init+0x8f/0x8f [ 1805.966736] ================================================================================ [ 1806.140564] ================================================================================ [ 1806.223444] UBSAN: Undefined behaviour in fs/ext4/extents_status.c:1144:34 [ 1806.290419] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1806.353072] which requires 64 byte alignment [ 1806.389918] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1806.432361] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1806.493408] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d8 ffffffffb26ec5cc [ 1806.559341] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1806.669489] ffffffff00000010 ffff88005c9df700 ffff88005c9df6b0 ffffffffb363c3e0 [ 1806.745401] Call Trace: [ 1806.777782] [] dump_stack+0xd7/0x132 [ 1806.822503] [] ? arch_local_irq_restore+0x1b/0x1b [ 1806.886040] [] ubsan_epilogue+0x12/0x53 [ 1806.939132] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1806.990133] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1807.047958] [] ? arch_local_irq_restore+0x6/0xd [ 1807.100001] [] ext4_es_register_shrinker+0x146/0x388 [ 1807.169059] [] ? ext4_seq_es_shrinker_info_show+0x3c9/0x3c9 [ 1807.235355] [] ? memset+0x31/0x38 [ 1807.274947] [] ext4_fill_super+0x5828/0xa2df [ 1807.316991] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1807.369344] [] ? vsnprintf+0x1a0/0xa32 [ 1807.420146] [] ? pointer+0x7a9/0x7a9 [ 1807.466117] [] ? set_bdev_super+0x15d/0x15d [ 1807.530686] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1807.609623] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1807.690955] [] ? scnprintf+0xf3/0xf3 [ 1807.728113] [] mount_bdev+0x3cf/0x602 [ 1807.773611] [] ? mount_bdev+0x3cf/0x602 [ 1807.819800] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1807.869427] [] ext4_mount+0x3c/0x3e [ 1807.913788] [] mount_fs+0xd0/0x2ca [ 1807.956291] [] vfs_kern_mount+0xa0/0x20a [ 1807.989586] [] do_mount+0x11fe/0x19df [ 1808.027859] [] ? kasan_kmalloc+0x94/0xa3 [ 1808.093282] [] ? copy_mount_string+0x3d/0x3d [ 1808.151269] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1808.205238] [] ? __check_object_size+0x1e1/0x2b8 [ 1808.257463] [] ? 0xffffffffb1c002b8 [ 1808.301548] [] ? copy_mount_options+0x23d/0x24d [ 1808.369083] [] SyS_mount+0xa3/0xda [ 1808.413551] [] mount_block_root+0x2fc/0x650 [ 1808.488990] [] ? init_rootfs+0x99/0x99 [ 1808.548505] [] ? security_file_ioctl+0xa5/0xb4 [ 1808.609970] [] ? SyS_mknod+0x2f/0x36 [ 1808.658204] [] mount_root+0x45/0x48 [ 1808.710809] [] prepare_namespace+0x1cf/0x235 [ 1808.755390] [] kernel_init_freeable+0x4fa/0x518 [ 1808.817402] [] kernel_init+0x16/0x181 [ 1808.866405] [] ret_from_fork+0x1f/0x40 [ 1808.924909] [] ? rest_init+0x8f/0x8f [ 1808.983121] ================================================================================ [ 1809.059750] ================================================================================ [ 1809.135730] UBSAN: Undefined behaviour in fs/ext4/extents_status.c:1145:38 [ 1809.189585] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1809.294658] which requires 64 byte alignment [ 1809.331785] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1809.372758] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1809.440702] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d8 ffffffffb26ec5cc [ 1809.532778] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1809.594600] ffffffff00000010 ffff88005c9df700 ffff88005c9df6b0 ffffffffb363c3e0 [ 1809.645798] Call Trace: [ 1809.663220] [] dump_stack+0xd7/0x132 [ 1809.729434] [] ? arch_local_irq_restore+0x1b/0x1b [ 1809.781903] [] ubsan_epilogue+0x12/0x53 [ 1809.829075] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1809.885107] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1809.937784] [] ? arch_local_irq_restore+0x6/0xd [ 1809.989832] [] ext4_es_register_shrinker+0x176/0x388 [ 1810.035986] [] ? ext4_seq_es_shrinker_info_show+0x3c9/0x3c9 [ 1810.085717] [] ? memset+0x31/0x38 [ 1810.125733] [] ext4_fill_super+0x5828/0xa2df [ 1810.175559] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1810.233284] [] ? vsnprintf+0x1a0/0xa32 [ 1810.281785] [] ? pointer+0x7a9/0x7a9 [ 1810.331230] [] ? set_bdev_super+0x15d/0x15d [ 1810.366992] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1810.425278] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1810.478064] [] ? scnprintf+0xf3/0xf3 [ 1810.513776] [] mount_bdev+0x3cf/0x602 [ 1810.551843] [] ? mount_bdev+0x3cf/0x602 [ 1810.596164] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1810.648497] [] ext4_mount+0x3c/0x3e [ 1810.678044] [] mount_fs+0xd0/0x2ca [ 1810.718877] [] vfs_kern_mount+0xa0/0x20a [ 1810.774323] [] do_mount+0x11fe/0x19df [ 1810.828658] [] ? kasan_kmalloc+0x94/0xa3 [ 1810.870177] [] ? copy_mount_string+0x3d/0x3d [ 1810.920725] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1810.990146] [] ? __check_object_size+0x1e1/0x2b8 [ 1811.044033] [] ? 0xffffffffb1c002b8 [ 1811.087907] [] ? copy_mount_options+0x23d/0x24d [ 1811.147998] [] SyS_mount+0xa3/0xda [ 1811.190532] [] mount_block_root+0x2fc/0x650 [ 1811.240624] [] ? init_rootfs+0x99/0x99 [ 1811.300886] [] ? security_file_ioctl+0xa5/0xb4 [ 1811.350002] [] ? SyS_mknod+0x2f/0x36 [ 1811.390115] [] mount_root+0x45/0x48 [ 1811.431346] [] prepare_namespace+0x1cf/0x235 [ 1811.477471] [] kernel_init_freeable+0x4fa/0x518 [ 1811.532400] [] kernel_init+0x16/0x181 [ 1811.575907] [] ret_from_fork+0x1f/0x40 [ 1811.614411] [] ? rest_init+0x8f/0x8f [ 1811.659231] ================================================================================ [ 1811.729234] ================================================================================ [ 1811.835285] UBSAN: Undefined behaviour in fs/ext4/extents_status.c:1146:40 [ 1811.876141] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1811.936954] which requires 64 byte alignment [ 1811.964590] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1811.997607] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1812.067166] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d8 ffffffffb26ec5cc [ 1812.123127] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1812.181787] ffffffff00000010 ffff88005c9df700 ffff88005c9df6b0 ffffffffb363c3e0 [ 1812.233764] Call Trace: [ 1812.255353] [] dump_stack+0xd7/0x132 [ 1812.329538] [] ? arch_local_irq_restore+0x1b/0x1b [ 1812.396656] [] ubsan_epilogue+0x12/0x53 [ 1812.456514] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1812.515813] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1812.575553] [] ? arch_local_irq_restore+0x6/0xd [ 1812.614073] [] ext4_es_register_shrinker+0x1a6/0x388 [ 1812.655952] [] ? ext4_seq_es_shrinker_info_show+0x3c9/0x3c9 [ 1812.697012] [] ? memset+0x31/0x38 [ 1812.728524] [] ext4_fill_super+0x5828/0xa2df [ 1812.776898] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1812.830291] [] ? vsnprintf+0x1a0/0xa32 [ 1812.875300] [] ? pointer+0x7a9/0x7a9 [ 1812.925762] [] ? set_bdev_super+0x15d/0x15d [ 1812.981869] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1813.059655] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1813.135306] [] ? scnprintf+0xf3/0xf3 [ 1813.189608] [] mount_bdev+0x3cf/0x602 [ 1813.227062] [] ? mount_bdev+0x3cf/0x602 [ 1813.264566] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1813.316877] [] ext4_mount+0x3c/0x3e [ 1813.357971] [] mount_fs+0xd0/0x2ca [ 1813.398831] [] vfs_kern_mount+0xa0/0x20a [ 1813.433220] [] do_mount+0x11fe/0x19df [ 1813.487903] [] ? kasan_kmalloc+0x94/0xa3 [ 1813.540273] [] ? copy_mount_string+0x3d/0x3d [ 1813.592579] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1813.646444] [] ? __check_object_size+0x1e1/0x2b8 [ 1813.693082] [] ? 0xffffffffb1c002b8 [ 1813.725724] [] ? copy_mount_options+0x23d/0x24d [ 1813.781727] [] SyS_mount+0xa3/0xda [ 1813.821434] [] mount_block_root+0x2fc/0x650 [ 1813.863705] [] ? init_rootfs+0x99/0x99 [ 1813.898425] [] ? security_file_ioctl+0xa5/0xb4 [ 1813.939915] [] ? SyS_mknod+0x2f/0x36 [ 1813.977970] [] mount_root+0x45/0x48 [ 1814.010900] [] prepare_namespace+0x1cf/0x235 [ 1814.061556] [] kernel_init_freeable+0x4fa/0x518 [ 1814.129005] [] kernel_init+0x16/0x181 [ 1814.179235] [] ret_from_fork+0x1f/0x40 [ 1814.229712] [] ? rest_init+0x8f/0x8f [ 1814.269678] ================================================================================ [ 1814.356855] ================================================================================ [ 1814.425156] UBSAN: Undefined behaviour in fs/ext4/extents_status.c:1147:37 [ 1814.476900] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1814.541678] which requires 64 byte alignment [ 1814.571705] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1814.620583] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1814.691988] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d8 ffffffffb26ec5cc [ 1814.751620] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1814.815098] ffffffff00000010 ffff88005c9df700 ffff88005c9df6b0 ffffffffb363c3e0 [ 1814.881351] Call Trace: [ 1814.902439] [] dump_stack+0xd7/0x132 [ 1814.954655] [] ? arch_local_irq_restore+0x1b/0x1b [ 1815.004644] [] ubsan_epilogue+0x12/0x53 [ 1815.061713] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1815.157172] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1815.217636] [] ? arch_local_irq_restore+0x6/0xd [ 1815.267659] [] ext4_es_register_shrinker+0x1d6/0x388 [ 1815.318331] [] ? ext4_seq_es_shrinker_info_show+0x3c9/0x3c9 [ 1815.368820] [] ? memset+0x31/0x38 [ 1815.414990] [] ext4_fill_super+0x5828/0xa2df [ 1815.473340] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1815.531106] [] ? vsnprintf+0x1a0/0xa32 [ 1815.569317] [] ? pointer+0x7a9/0x7a9 [ 1815.606492] [] ? set_bdev_super+0x15d/0x15d [ 1815.650052] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1815.700666] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1815.756484] [] ? scnprintf+0xf3/0xf3 [ 1815.794979] [] mount_bdev+0x3cf/0x602 [ 1815.832909] [] ? mount_bdev+0x3cf/0x602 [ 1815.907015] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1815.963282] [] ext4_mount+0x3c/0x3e [ 1816.008237] [] mount_fs+0xd0/0x2ca [ 1816.045100] [] vfs_kern_mount+0xa0/0x20a [ 1816.097298] [] do_mount+0x11fe/0x19df [ 1816.175357] [] ? kasan_kmalloc+0x94/0xa3 [ 1816.223754] [] ? copy_mount_string+0x3d/0x3d [ 1816.274481] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1816.335081] [] ? __check_object_size+0x1e1/0x2b8 [ 1816.405410] [] ? 0xffffffffb1c002b8 [ 1816.456066] [] ? copy_mount_options+0x23d/0x24d [ 1816.497706] [] SyS_mount+0xa3/0xda [ 1816.538431] [] mount_block_root+0x2fc/0x650 [ 1816.584467] [] ? init_rootfs+0x99/0x99 [ 1816.631083] [] ? security_file_ioctl+0xa5/0xb4 [ 1816.687402] [] ? SyS_mknod+0x2f/0x36 [ 1816.734149] [] mount_root+0x45/0x48 [ 1816.776301] [] prepare_namespace+0x1cf/0x235 [ 1816.830992] [] kernel_init_freeable+0x4fa/0x518 [ 1816.882810] [] kernel_init+0x16/0x181 [ 1816.932877] [] ret_from_fork+0x1f/0x40 [ 1816.976632] [] ? rest_init+0x8f/0x8f [ 1817.013971] ================================================================================ [ 1817.083176] ================================================================================ [ 1817.175357] UBSAN: Undefined behaviour in fs/ext4/extents_status.c:1148:41 [ 1817.272300] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1817.339389] which requires 64 byte alignment [ 1817.376466] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1817.414796] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1817.486887] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d8 ffffffffb26ec5cc [ 1817.541030] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1817.605147] ffffffff00000010 ffff88005c9df700 ffff88005c9df6b0 ffffffffb363c3e0 [ 1817.666766] Call Trace: [ 1817.689416] [] dump_stack+0xd7/0x132 [ 1817.745622] [] ? arch_local_irq_restore+0x1b/0x1b [ 1817.821110] [] ubsan_epilogue+0x12/0x53 [ 1817.874715] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1817.944092] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1817.999179] [] ? arch_local_irq_restore+0x6/0xd [ 1818.073623] [] ext4_es_register_shrinker+0x206/0x388 [ 1818.152498] [] ? ext4_seq_es_shrinker_info_show+0x3c9/0x3c9 [ 1818.207759] [] ? memset+0x31/0x38 [ 1818.250999] [] ext4_fill_super+0x5828/0xa2df [ 1818.300846] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1818.360437] [] ? vsnprintf+0x1a0/0xa32 [ 1818.413657] [] ? pointer+0x7a9/0x7a9 [ 1818.464291] [] ? set_bdev_super+0x15d/0x15d [ 1818.529185] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1818.595808] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1818.661139] [] ? scnprintf+0xf3/0xf3 [ 1818.703371] [] mount_bdev+0x3cf/0x602 [ 1818.747649] [] ? mount_bdev+0x3cf/0x602 [ 1818.785320] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1818.844100] [] ext4_mount+0x3c/0x3e [ 1818.901476] [] mount_fs+0xd0/0x2ca [ 1818.945393] [] vfs_kern_mount+0xa0/0x20a [ 1818.988532] [] do_mount+0x11fe/0x19df [ 1819.045126] [] ? kasan_kmalloc+0x94/0xa3 [ 1819.090907] [] ? copy_mount_string+0x3d/0x3d [ 1819.164653] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1819.212633] [] ? __check_object_size+0x1e1/0x2b8 [ 1819.268662] [] ? 0xffffffffb1c002b8 [ 1819.311224] [] ? copy_mount_options+0x23d/0x24d [ 1819.367326] [] SyS_mount+0xa3/0xda [ 1819.430734] [] mount_block_root+0x2fc/0x650 [ 1819.477549] [] ? init_rootfs+0x99/0x99 [ 1819.520753] [] ? security_file_ioctl+0xa5/0xb4 [ 1819.574869] [] ? SyS_mknod+0x2f/0x36 [ 1819.632975] [] mount_root+0x45/0x48 [ 1819.675734] [] prepare_namespace+0x1cf/0x235 [ 1819.723613] [] kernel_init_freeable+0x4fa/0x518 [ 1819.775950] [] kernel_init+0x16/0x181 [ 1819.815349] [] ret_from_fork+0x1f/0x40 [ 1819.858790] [] ? rest_init+0x8f/0x8f [ 1819.898128] ================================================================================ [ 1819.971296] ================================================================================ [ 1820.045309] UBSAN: Undefined behaviour in fs/ext4/extents_status.c:1156:34 [ 1820.131932] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1820.220863] which requires 64 byte alignment [ 1820.288090] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1820.357404] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1820.458980] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d8 ffffffffb26ec5cc [ 1820.517576] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1820.580013] ffffffff00000010 ffff88005c9df700 ffff88005c9df6b0 ffffffffb363c3e0 [ 1820.635306] Call Trace: [ 1820.658701] [] dump_stack+0xd7/0x132 [ 1820.697442] [] ? arch_local_irq_restore+0x1b/0x1b [ 1820.753485] [] ubsan_epilogue+0x12/0x53 [ 1820.797005] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1820.876064] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1820.955921] [] ? percpu_counter_destroy+0xc8/0xc8 [ 1821.034715] [] ? arch_local_irq_restore+0x6/0xd [ 1821.107292] [] ext4_es_register_shrinker+0x28a/0x388 [ 1821.192781] [] ? ext4_seq_es_shrinker_info_show+0x3c9/0x3c9 [ 1821.260023] [] ? memset+0x31/0x38 [ 1821.305067] [] ext4_fill_super+0x5828/0xa2df [ 1821.365501] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1821.447641] [] ? vsnprintf+0x1a0/0xa32 [ 1821.508625] [] ? pointer+0x7a9/0x7a9 [ 1821.550873] [] ? set_bdev_super+0x15d/0x15d [ 1821.604063] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1821.683632] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1821.813184] [] ? scnprintf+0xf3/0xf3 [ 1821.881005] [] mount_bdev+0x3cf/0x602 [ 1821.936403] [] ? mount_bdev+0x3cf/0x602 [ 1821.996249] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1822.085197] [] ext4_mount+0x3c/0x3e [ 1822.154739] [] mount_fs+0xd0/0x2ca [ 1822.237100] [] vfs_kern_mount+0xa0/0x20a [ 1822.293497] [] do_mount+0x11fe/0x19df [ 1822.339251] [] ? kasan_kmalloc+0x94/0xa3 [ 1822.383816] [] ? copy_mount_string+0x3d/0x3d [ 1822.436928] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1822.480284] [] ? __check_object_size+0x1e1/0x2b8 [ 1822.529137] [] ? 0xffffffffb1c002b8 [ 1822.576658] [] ? copy_mount_options+0x23d/0x24d [ 1822.631631] [] SyS_mount+0xa3/0xda [ 1822.669645] [] mount_block_root+0x2fc/0x650 [ 1822.719911] [] ? init_rootfs+0x99/0x99 [ 1822.768216] [] ? security_file_ioctl+0xa5/0xb4 [ 1822.828970] [] ? SyS_mknod+0x2f/0x36 [ 1822.883486] [] mount_root+0x45/0x48 [ 1822.932042] [] prepare_namespace+0x1cf/0x235 [ 1822.984440] [] kernel_init_freeable+0x4fa/0x518 [ 1823.046500] [] kernel_init+0x16/0x181 [ 1823.113169] [] ret_from_fork+0x1f/0x40 [ 1823.162660] [] ? rest_init+0x8f/0x8f [ 1823.208891] ================================================================================ [ 1823.281106] ================================================================================ [ 1823.353426] UBSAN: Undefined behaviour in fs/ext4/extents_status.c:1157:35 [ 1823.404732] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1823.484569] which requires 64 byte alignment [ 1823.531848] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1823.602483] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1823.705696] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d8 ffffffffb26ec5cc [ 1823.792891] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1823.868660] ffffffff00000010 ffff88005c9df700 ffff88005c9df6b0 ffffffffb363c3e0 [ 1823.934687] Call Trace: [ 1823.960293] [] dump_stack+0xd7/0x132 [ 1824.012266] [] ? arch_local_irq_restore+0x1b/0x1b [ 1824.076077] [] ubsan_epilogue+0x12/0x53 [ 1824.151874] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1824.236855] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1824.320128] [] ? percpu_counter_destroy+0xc8/0xc8 [ 1824.383226] [] ? arch_local_irq_restore+0x6/0xd [ 1824.444658] [] ext4_es_register_shrinker+0x2ba/0x388 [ 1824.504401] [] ? ext4_seq_es_shrinker_info_show+0x3c9/0x3c9 [ 1824.563048] [] ? memset+0x31/0x38 [ 1824.607210] [] ext4_fill_super+0x5828/0xa2df [ 1824.675978] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1824.741006] [] ? vsnprintf+0x1a0/0xa32 [ 1824.805239] [] ? pointer+0x7a9/0x7a9 [ 1824.852070] [] ? set_bdev_super+0x15d/0x15d [ 1824.907304] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1824.979944] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1825.058886] [] ? scnprintf+0xf3/0xf3 [ 1825.104671] [] mount_bdev+0x3cf/0x602 [ 1825.157066] [] ? mount_bdev+0x3cf/0x602 [ 1825.211019] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1825.277176] [] ext4_mount+0x3c/0x3e [ 1825.340507] [] mount_fs+0xd0/0x2ca [ 1825.388489] [] vfs_kern_mount+0xa0/0x20a [ 1825.443730] [] do_mount+0x11fe/0x19df [ 1825.495995] [] ? kasan_kmalloc+0x94/0xa3 [ 1825.550178] [] ? copy_mount_string+0x3d/0x3d [ 1825.603442] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1825.653752] [] ? __check_object_size+0x1e1/0x2b8 [ 1825.712540] [] ? 0xffffffffb1c002b8 [ 1825.760284] [] ? copy_mount_options+0x23d/0x24d [ 1825.822513] [] SyS_mount+0xa3/0xda [ 1825.870784] [] mount_block_root+0x2fc/0x650 [ 1825.932633] [] ? init_rootfs+0x99/0x99 [ 1825.980028] [] ? security_file_ioctl+0xa5/0xb4 [ 1826.051801] [] ? SyS_mknod+0x2f/0x36 [ 1826.103953] [] mount_root+0x45/0x48 [ 1826.155306] [] prepare_namespace+0x1cf/0x235 [ 1826.240132] [] kernel_init_freeable+0x4fa/0x518 [ 1826.302378] [] kernel_init+0x16/0x181 [ 1826.349758] [] ret_from_fork+0x1f/0x40 [ 1826.394639] [] ? rest_init+0x8f/0x8f [ 1826.453685] ================================================================================ [ 1826.538567] ================================================================================ [ 1826.628322] UBSAN: Undefined behaviour in fs/ext4/extents_status.c:1158:27 [ 1826.692423] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1826.781054] which requires 64 byte alignment [ 1826.826668] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1826.865326] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1826.944633] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d8 ffffffffb26ec5cc [ 1827.019652] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1827.140113] ffffffff00000010 ffff88005c9df700 ffff88005c9df6b0 ffffffffb363c3e0 [ 1827.259570] Call Trace: [ 1827.286130] [] dump_stack+0xd7/0x132 [ 1827.336464] [] ? arch_local_irq_restore+0x1b/0x1b [ 1827.391478] [] ubsan_epilogue+0x12/0x53 [ 1827.432418] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1827.511339] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1827.631355] [] ? percpu_counter_destroy+0xc8/0xc8 [ 1827.751932] [] ? arch_local_irq_restore+0x6/0xd [ 1827.849668] [] ext4_es_register_shrinker+0x2ed/0x388 [ 1827.937757] [] ? ext4_seq_es_shrinker_info_show+0x3c9/0x3c9 [ 1828.015002] [] ? memset+0x31/0x38 [ 1828.074090] [] ext4_fill_super+0x5828/0xa2df [ 1828.193059] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1828.271764] [] ? vsnprintf+0x1a0/0xa32 [ 1828.331704] [] ? pointer+0x7a9/0x7a9 [ 1828.382970] [] ? set_bdev_super+0x15d/0x15d [ 1828.437666] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1828.516284] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1828.655681] [] ? scnprintf+0xf3/0xf3 [ 1828.770041] [] mount_bdev+0x3cf/0x602 [ 1828.882583] [] ? mount_bdev+0x3cf/0x602 [ 1829.188211] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1829.297293] [] ext4_mount+0x3c/0x3e [ 1829.344027] [] mount_fs+0xd0/0x2ca [ 1829.385373] [] vfs_kern_mount+0xa0/0x20a [ 1829.433022] [] do_mount+0x11fe/0x19df [ 1829.475066] [] ? kasan_kmalloc+0x94/0xa3 [ 1829.529399] [] ? copy_mount_string+0x3d/0x3d [ 1829.588248] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1829.657453] [] ? __check_object_size+0x1e1/0x2b8 [ 1829.888464] [] ? 0xffffffffb1c002b8 [ 1829.952178] [] ? copy_mount_options+0x23d/0x24d [ 1830.000508] [] SyS_mount+0xa3/0xda [ 1830.041361] [] mount_block_root+0x2fc/0x650 [ 1830.088692] [] ? init_rootfs+0x99/0x99 [ 1830.134518] [] ? security_file_ioctl+0xa5/0xb4 [ 1830.299200] [] ? SyS_mknod+0x2f/0x36 [ 1830.407206] [] mount_root+0x45/0x48 [ 1830.457360] [] prepare_namespace+0x1cf/0x235 [ 1830.516990] [] kernel_init_freeable+0x4fa/0x518 [ 1830.563429] [] kernel_init+0x16/0x181 [ 1830.612626] [] ret_from_fork+0x1f/0x40 [ 1830.655497] [] ? rest_init+0x8f/0x8f [ 1830.706846] ================================================================================ [ 1830.794388] ================================================================================ [ 1831.024826] UBSAN: Undefined behaviour in fs/ext4/super.c:2615:25 [ 1831.134061] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1831.284032] which requires 64 byte alignment [ 1831.319739] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1831.377727] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1831.457022] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1831.648696] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1831.877401] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1831.969444] Call Trace: [ 1831.995928] [] dump_stack+0xd7/0x132 [ 1832.040426] [] ? arch_local_irq_restore+0x1b/0x1b [ 1832.093780] [] ubsan_epilogue+0x12/0x53 [ 1832.141580] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1832.197593] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1832.260089] [] ? memset+0x31/0x38 [ 1832.302678] [] ext4_fill_super+0x5855/0xa2df [ 1832.351990] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1832.399192] [] ? vsnprintf+0x1a0/0xa32 [ 1832.436443] [] ? pointer+0x7a9/0x7a9 [ 1832.479214] [] ? set_bdev_super+0x15d/0x15d [ 1832.540762] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1832.640307] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1832.820103] [] ? scnprintf+0xf3/0xf3 [ 1832.892091] [] mount_bdev+0x3cf/0x602 [ 1832.937260] [] ? mount_bdev+0x3cf/0x602 [ 1833.024981] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1833.235142] [] ext4_mount+0x3c/0x3e [ 1833.416965] [] mount_fs+0xd0/0x2ca [ 1833.504185] [] vfs_kern_mount+0xa0/0x20a [ 1833.649805] [] do_mount+0x11fe/0x19df [ 1833.699007] [] ? kasan_kmalloc+0x94/0xa3 [ 1833.736637] [] ? copy_mount_string+0x3d/0x3d [ 1833.785539] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1833.831696] [] ? __check_object_size+0x1e1/0x2b8 [ 1833.882836] [] ? 0xffffffffb1c002b8 [ 1833.925291] [] ? copy_mount_options+0x23d/0x24d [ 1833.984796] [] SyS_mount+0xa3/0xda [ 1834.037003] [] mount_block_root+0x2fc/0x650 [ 1834.090320] [] ? init_rootfs+0x99/0x99 [ 1834.138633] [] ? security_file_ioctl+0xa5/0xb4 [ 1834.198356] [] ? SyS_mknod+0x2f/0x36 [ 1834.240815] [] mount_root+0x45/0x48 [ 1834.283909] [] prepare_namespace+0x1cf/0x235 [ 1834.337502] [] kernel_init_freeable+0x4fa/0x518 [ 1834.398556] [] kernel_init+0x16/0x181 [ 1834.439239] [] ret_from_fork+0x1f/0x40 [ 1834.498472] [] ? rest_init+0x8f/0x8f [ 1834.540588] ================================================================================ [ 1834.612344] ================================================================================ [ 1834.675714] UBSAN: Undefined behaviour in fs/ext4/super.c:2617:4 [ 1834.730874] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1834.818232] which requires 64 byte alignment [ 1834.853489] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1834.914798] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1835.005494] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1835.085743] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1835.159726] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1835.235614] Call Trace: [ 1835.257364] [] dump_stack+0xd7/0x132 [ 1835.308883] [] ? arch_local_irq_restore+0x1b/0x1b [ 1835.369593] [] ubsan_epilogue+0x12/0x53 [ 1835.420625] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1835.480167] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1835.542229] [] ? memset+0x31/0x38 [ 1835.580785] [] ext4_fill_super+0x58b9/0xa2df [ 1835.626261] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1835.680370] [] ? vsnprintf+0x1a0/0xa32 [ 1835.727162] [] ? pointer+0x7a9/0x7a9 [ 1835.774040] [] ? set_bdev_super+0x15d/0x15d [ 1835.821563] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1835.897507] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1835.966830] [] ? scnprintf+0xf3/0xf3 [ 1836.021260] [] mount_bdev+0x3cf/0x602 [ 1836.080527] [] ? mount_bdev+0x3cf/0x602 [ 1836.143341] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1836.211294] [] ext4_mount+0x3c/0x3e [ 1836.260583] [] mount_fs+0xd0/0x2ca [ 1836.311607] [] vfs_kern_mount+0xa0/0x20a [ 1836.358627] [] do_mount+0x11fe/0x19df [ 1836.407583] [] ? kasan_kmalloc+0x94/0xa3 [ 1836.467024] [] ? copy_mount_string+0x3d/0x3d [ 1836.518474] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1836.572635] [] ? __check_object_size+0x1e1/0x2b8 [ 1836.631610] [] ? 0xffffffffb1c002b8 [ 1836.676687] [] ? copy_mount_options+0x23d/0x24d [ 1836.735806] [] SyS_mount+0xa3/0xda [ 1836.776886] [] mount_block_root+0x2fc/0x650 [ 1836.832466] [] ? init_rootfs+0x99/0x99 [ 1836.882806] [] ? security_file_ioctl+0xa5/0xb4 [ 1836.941788] [] ? SyS_mknod+0x2f/0x36 [ 1836.988727] [] mount_root+0x45/0x48 [ 1837.029558] [] prepare_namespace+0x1cf/0x235 [ 1837.085392] [] kernel_init_freeable+0x4fa/0x518 [ 1837.137188] [] kernel_init+0x16/0x181 [ 1837.187152] [] ret_from_fork+0x1f/0x40 [ 1837.248580] [] ? rest_init+0x8f/0x8f [ 1837.294714] ================================================================================ [ 1837.371722] ================================================================================ [ 1837.434760] UBSAN: Undefined behaviour in fs/ext4/super.c:2620:9 [ 1837.484393] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1837.555264] which requires 64 byte alignment [ 1837.591081] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1837.636316] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1837.705243] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1837.756964] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1837.823967] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1837.907394] Call Trace: [ 1837.933927] [] dump_stack+0xd7/0x132 [ 1837.984538] [] ? arch_local_irq_restore+0x1b/0x1b [ 1838.039550] [] ubsan_epilogue+0x12/0x53 [ 1838.104115] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1838.172963] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1838.257121] [] ? memset+0x31/0x38 [ 1838.319399] [] ext4_fill_super+0x5908/0xa2df [ 1838.400967] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1838.477419] [] ? vsnprintf+0x1a0/0xa32 [ 1838.521777] [] ? pointer+0x7a9/0x7a9 [ 1838.562869] [] ? set_bdev_super+0x15d/0x15d [ 1838.608849] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1838.689729] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1838.797749] [] ? scnprintf+0xf3/0xf3 [ 1838.892940] [] mount_bdev+0x3cf/0x602 [ 1838.961136] [] ? mount_bdev+0x3cf/0x602 [ 1839.026512] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1839.109809] [] ext4_mount+0x3c/0x3e [ 1839.180837] [] mount_fs+0xd0/0x2ca [ 1839.250479] [] vfs_kern_mount+0xa0/0x20a [ 1839.346914] [] do_mount+0x11fe/0x19df [ 1839.413309] [] ? kasan_kmalloc+0x94/0xa3 [ 1839.490750] [] ? copy_mount_string+0x3d/0x3d [ 1839.576206] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1839.771714] [] ? __check_object_size+0x1e1/0x2b8 [ 1839.821423] [] ? 0xffffffffb1c002b8 [ 1839.855077] [] ? copy_mount_options+0x23d/0x24d [ 1839.899191] [] SyS_mount+0xa3/0xda [ 1839.963903] [] mount_block_root+0x2fc/0x650 [ 1840.028207] [] ? init_rootfs+0x99/0x99 [ 1840.131190] [] ? security_file_ioctl+0xa5/0xb4 [ 1840.210375] [] ? SyS_mknod+0x2f/0x36 [ 1840.270346] [] mount_root+0x45/0x48 [ 1840.314718] [] prepare_namespace+0x1cf/0x235 [ 1840.388006] [] kernel_init_freeable+0x4fa/0x518 [ 1840.442225] [] kernel_init+0x16/0x181 [ 1840.485757] [] ret_from_fork+0x1f/0x40 [ 1840.521823] [] ? rest_init+0x8f/0x8f [ 1840.557291] ================================================================================ [ 1840.637771] ================================================================================ [ 1840.710818] UBSAN: Undefined behaviour in fs/ext4/super.c:2622:30 [ 1840.764912] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1840.874686] which requires 64 byte alignment [ 1840.924819] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1840.996051] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1841.095430] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1841.163542] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1841.229288] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1841.300820] Call Trace: [ 1841.324499] [] dump_stack+0xd7/0x132 [ 1841.370896] [] ? arch_local_irq_restore+0x1b/0x1b [ 1841.425367] [] ubsan_epilogue+0x12/0x53 [ 1841.473199] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1841.535904] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1841.597485] [] ? memset+0x31/0x38 [ 1841.641865] [] ext4_fill_super+0x59ae/0xa2df [ 1841.694935] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1841.748090] [] ? vsnprintf+0x1a0/0xa32 [ 1841.798728] [] ? pointer+0x7a9/0x7a9 [ 1841.833385] [] ? set_bdev_super+0x15d/0x15d [ 1841.882242] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1841.940509] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1841.990362] [] ? scnprintf+0xf3/0xf3 [ 1842.028436] [] mount_bdev+0x3cf/0x602 [ 1842.069376] [] ? mount_bdev+0x3cf/0x602 [ 1842.106038] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1842.161785] [] ext4_mount+0x3c/0x3e [ 1842.204428] [] mount_fs+0xd0/0x2ca [ 1842.252528] [] vfs_kern_mount+0xa0/0x20a [ 1842.316578] [] do_mount+0x11fe/0x19df [ 1842.374429] [] ? kasan_kmalloc+0x94/0xa3 [ 1842.426629] [] ? copy_mount_string+0x3d/0x3d [ 1842.478644] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1842.512536] [] ? __check_object_size+0x1e1/0x2b8 [ 1842.561857] [] ? 0xffffffffb1c002b8 [ 1842.598789] [] ? copy_mount_options+0x23d/0x24d [ 1842.643520] [] SyS_mount+0xa3/0xda [ 1842.685412] [] mount_block_root+0x2fc/0x650 [ 1842.728493] [] ? init_rootfs+0x99/0x99 [ 1842.761718] [] ? security_file_ioctl+0xa5/0xb4 [ 1842.799398] [] ? SyS_mknod+0x2f/0x36 [ 1842.842703] [] mount_root+0x45/0x48 [ 1842.878607] [] prepare_namespace+0x1cf/0x235 [ 1842.921514] [] kernel_init_freeable+0x4fa/0x518 [ 1842.974508] [] kernel_init+0x16/0x181 [ 1843.011881] [] ret_from_fork+0x1f/0x40 [ 1843.051875] [] ? rest_init+0x8f/0x8f [ 1843.096070] ================================================================================ [ 1843.170928] ================================================================================ [ 1843.241678] UBSAN: Undefined behaviour in fs/ext4/super.c:3843:16 [ 1843.297019] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1843.367217] which requires 64 byte alignment [ 1843.399749] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1843.437221] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1843.518233] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1843.572987] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1843.641332] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1843.701195] Call Trace: [ 1843.722425] [] dump_stack+0xd7/0x132 [ 1843.767224] [] ? arch_local_irq_restore+0x1b/0x1b [ 1843.817404] [] ubsan_epilogue+0x12/0x53 [ 1843.857851] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1843.925468] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1843.994102] [] ? memset+0x31/0x38 [ 1844.044645] [] ext4_fill_super+0x5a32/0xa2df [ 1844.094255] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1844.150453] [] ? vsnprintf+0x1a0/0xa32 [ 1844.196531] [] ? pointer+0x7a9/0x7a9 [ 1844.242440] [] ? set_bdev_super+0x15d/0x15d [ 1844.293294] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1844.344271] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1844.398318] [] ? scnprintf+0xf3/0xf3 [ 1844.445717] [] mount_bdev+0x3cf/0x602 [ 1844.488688] [] ? mount_bdev+0x3cf/0x602 [ 1844.521371] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1844.569873] [] ext4_mount+0x3c/0x3e [ 1844.602764] [] mount_fs+0xd0/0x2ca [ 1844.641703] [] vfs_kern_mount+0xa0/0x20a [ 1844.677354] [] do_mount+0x11fe/0x19df [ 1844.721948] [] ? kasan_kmalloc+0x94/0xa3 [ 1844.768852] [] ? copy_mount_string+0x3d/0x3d [ 1844.821246] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1844.866142] [] ? __check_object_size+0x1e1/0x2b8 [ 1844.905773] [] ? 0xffffffffb1c002b8 [ 1844.944080] [] ? copy_mount_options+0x23d/0x24d [ 1844.986990] [] SyS_mount+0xa3/0xda [ 1845.025495] [] mount_block_root+0x2fc/0x650 [ 1845.071837] [] ? init_rootfs+0x99/0x99 [ 1845.107666] [] ? security_file_ioctl+0xa5/0xb4 [ 1845.163718] [] ? SyS_mknod+0x2f/0x36 [ 1845.223007] [] mount_root+0x45/0x48 [ 1845.281980] [] prepare_namespace+0x1cf/0x235 [ 1845.338710] [] kernel_init_freeable+0x4fa/0x518 [ 1845.388663] [] kernel_init+0x16/0x181 [ 1845.439258] [] ret_from_fork+0x1f/0x40 [ 1845.488973] [] ? rest_init+0x8f/0x8f [ 1845.535437] ================================================================================ [ 1845.602662] ================================================================================ [ 1845.678524] UBSAN: Undefined behaviour in fs/ext4/super.c:3844:31 [ 1845.741502] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1845.819475] which requires 64 byte alignment [ 1845.851394] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1845.891498] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1845.970711] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1846.025675] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1846.086782] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1846.145919] Call Trace: [ 1846.169398] [] dump_stack+0xd7/0x132 [ 1846.213691] [] ? arch_local_irq_restore+0x1b/0x1b [ 1846.258569] [] ubsan_epilogue+0x12/0x53 [ 1846.289413] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1846.333314] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1846.387410] [] ? memset+0x31/0x38 [ 1846.424125] [] ext4_fill_super+0x5a53/0xa2df [ 1846.463887] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1846.507292] [] ? vsnprintf+0x1a0/0xa32 [ 1846.547358] [] ? pointer+0x7a9/0x7a9 [ 1846.602834] [] ? set_bdev_super+0x15d/0x15d [ 1846.648420] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1846.694827] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1846.752730] [] ? scnprintf+0xf3/0xf3 [ 1846.789478] [] mount_bdev+0x3cf/0x602 [ 1846.821766] [] ? mount_bdev+0x3cf/0x602 [ 1846.865637] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1846.912816] [] ext4_mount+0x3c/0x3e [ 1846.952707] [] mount_fs+0xd0/0x2ca [ 1846.996520] [] vfs_kern_mount+0xa0/0x20a [ 1847.049666] [] do_mount+0x11fe/0x19df [ 1847.099684] [] ? kasan_kmalloc+0x94/0xa3 [ 1847.162872] [] ? copy_mount_string+0x3d/0x3d [ 1847.229180] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1847.309312] [] ? __check_object_size+0x1e1/0x2b8 [ 1847.366266] [] ? 0xffffffffb1c002b8 [ 1847.404718] [] ? copy_mount_options+0x23d/0x24d [ 1847.450938] [] SyS_mount+0xa3/0xda [ 1847.492801] [] mount_block_root+0x2fc/0x650 [ 1847.559419] [] ? init_rootfs+0x99/0x99 [ 1847.624602] [] ? security_file_ioctl+0xa5/0xb4 [ 1847.691681] [] ? SyS_mknod+0x2f/0x36 [ 1847.732013] [] mount_root+0x45/0x48 [ 1847.772454] [] prepare_namespace+0x1cf/0x235 [ 1847.826525] [] kernel_init_freeable+0x4fa/0x518 [ 1847.880316] [] kernel_init+0x16/0x181 [ 1847.935281] [] ret_from_fork+0x1f/0x40 [ 1847.986526] [] ? rest_init+0x8f/0x8f [ 1848.021183] ================================================================================ [ 1848.091581] ================================================================================ [ 1848.175067] UBSAN: Undefined behaviour in fs/ext4/super.c:3849:11 [ 1848.223916] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1848.315639] which requires 64 byte alignment [ 1848.370296] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1848.426726] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1848.510347] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1848.570223] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1848.627495] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1848.705298] Call Trace: [ 1848.732469] [] dump_stack+0xd7/0x132 [ 1848.773599] [] ? arch_local_irq_restore+0x1b/0x1b [ 1848.824032] [] ubsan_epilogue+0x12/0x53 [ 1848.874673] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1848.937348] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1849.008672] [] ? memset+0x31/0x38 [ 1849.049544] [] ext4_fill_super+0x5a84/0xa2df [ 1849.117216] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1849.188185] [] ? vsnprintf+0x1a0/0xa32 [ 1849.222826] [] ? pointer+0x7a9/0x7a9 [ 1849.270196] [] ? set_bdev_super+0x15d/0x15d [ 1849.330316] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1849.383925] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1849.448001] [] ? scnprintf+0xf3/0xf3 [ 1849.496029] [] mount_bdev+0x3cf/0x602 [ 1849.558294] [] ? mount_bdev+0x3cf/0x602 [ 1849.602637] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1849.663305] [] ext4_mount+0x3c/0x3e [ 1849.704084] [] mount_fs+0xd0/0x2ca [ 1849.749529] [] vfs_kern_mount+0xa0/0x20a [ 1849.790214] [] do_mount+0x11fe/0x19df [ 1849.831655] [] ? kasan_kmalloc+0x94/0xa3 [ 1849.883031] [] ? copy_mount_string+0x3d/0x3d [ 1849.932710] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1849.988877] [] ? __check_object_size+0x1e1/0x2b8 [ 1850.033694] [] ? 0xffffffffb1c002b8 [ 1850.074462] [] ? copy_mount_options+0x23d/0x24d [ 1850.121484] [] SyS_mount+0xa3/0xda [ 1850.168117] [] mount_block_root+0x2fc/0x650 [ 1850.215105] [] ? init_rootfs+0x99/0x99 [ 1850.256387] [] ? security_file_ioctl+0xa5/0xb4 [ 1850.323154] [] ? SyS_mknod+0x2f/0x36 [ 1850.373800] [] mount_root+0x45/0x48 [ 1850.448200] [] prepare_namespace+0x1cf/0x235 [ 1850.520854] [] kernel_init_freeable+0x4fa/0x518 [ 1850.573299] [] kernel_init+0x16/0x181 [ 1850.615700] [] ret_from_fork+0x1f/0x40 [ 1850.660627] [] ? rest_init+0x8f/0x8f [ 1850.702791] ================================================================================ [ 1850.776772] ================================================================================ [ 1850.849328] UBSAN: Undefined behaviour in fs/ext4/super.c:3850:18 [ 1850.904479] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1850.977351] which requires 64 byte alignment [ 1851.009400] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1851.051119] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1851.140144] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1851.203754] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1851.285595] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1851.367653] Call Trace: [ 1851.395370] [] dump_stack+0xd7/0x132 [ 1851.447090] [] ? arch_local_irq_restore+0x1b/0x1b [ 1851.529080] [] ubsan_epilogue+0x12/0x53 [ 1851.591442] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1851.655290] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1851.733631] [] ? memset+0x31/0x38 [ 1851.776791] [] ext4_fill_super+0x5aaf/0xa2df [ 1851.828031] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1851.871552] [] ? vsnprintf+0x1a0/0xa32 [ 1851.908622] [] ? pointer+0x7a9/0x7a9 [ 1851.943140] [] ? set_bdev_super+0x15d/0x15d [ 1851.983844] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1852.038403] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1852.092304] [] ? scnprintf+0xf3/0xf3 [ 1852.123846] [] mount_bdev+0x3cf/0x602 [ 1852.166371] [] ? mount_bdev+0x3cf/0x602 [ 1852.198727] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1852.254619] [] ext4_mount+0x3c/0x3e [ 1852.298163] [] mount_fs+0xd0/0x2ca [ 1852.341930] [] vfs_kern_mount+0xa0/0x20a [ 1852.390774] [] do_mount+0x11fe/0x19df [ 1852.438462] [] ? kasan_kmalloc+0x94/0xa3 [ 1852.483116] [] ? copy_mount_string+0x3d/0x3d [ 1852.542050] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1852.599139] [] ? __check_object_size+0x1e1/0x2b8 [ 1852.652155] [] ? 0xffffffffb1c002b8 [ 1852.691096] [] ? copy_mount_options+0x23d/0x24d [ 1852.766261] [] SyS_mount+0xa3/0xda [ 1852.811909] [] mount_block_root+0x2fc/0x650 [ 1852.862599] [] ? init_rootfs+0x99/0x99 [ 1852.914103] [] ? security_file_ioctl+0xa5/0xb4 [ 1852.964865] [] ? SyS_mknod+0x2f/0x36 [ 1853.003703] [] mount_root+0x45/0x48 [ 1853.050549] [] prepare_namespace+0x1cf/0x235 [ 1853.097657] [] kernel_init_freeable+0x4fa/0x518 [ 1853.148838] [] kernel_init+0x16/0x181 [ 1853.196271] [] ret_from_fork+0x1f/0x40 [ 1853.240253] [] ? rest_init+0x8f/0x8f [ 1853.280000] ================================================================================ [ 1853.355456] ================================================================================ [ 1853.424885] UBSAN: Undefined behaviour in fs/ext4/super.c:3851:14 [ 1853.494697] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1853.561646] which requires 64 byte alignment [ 1853.599154] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1853.687609] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1853.795568] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1853.879565] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1853.972557] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1854.034110] Call Trace: [ 1854.054883] [] dump_stack+0xd7/0x132 [ 1854.093611] [] ? arch_local_irq_restore+0x1b/0x1b [ 1854.138110] [] ubsan_epilogue+0x12/0x53 [ 1854.189132] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1854.247711] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1854.308754] [] ? memset+0x31/0x38 [ 1854.340898] [] ext4_fill_super+0x5ada/0xa2df [ 1854.386772] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1854.512794] [] ? vsnprintf+0x1a0/0xa32 [ 1854.562380] [] ? pointer+0x7a9/0x7a9 [ 1854.600685] [] ? set_bdev_super+0x15d/0x15d [ 1854.731333] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1854.863054] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1854.945264] [] ? scnprintf+0xf3/0xf3 [ 1855.024900] [] mount_bdev+0x3cf/0x602 [ 1855.063443] [] ? mount_bdev+0x3cf/0x602 [ 1855.100755] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1855.144452] [] ext4_mount+0x3c/0x3e [ 1855.212399] [] mount_fs+0xd0/0x2ca [ 1855.255277] [] vfs_kern_mount+0xa0/0x20a [ 1855.292933] [] do_mount+0x11fe/0x19df [ 1855.334269] [] ? kasan_kmalloc+0x94/0xa3 [ 1855.376011] [] ? copy_mount_string+0x3d/0x3d [ 1855.417921] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1855.468972] [] ? __check_object_size+0x1e1/0x2b8 [ 1855.523549] [] ? 0xffffffffb1c002b8 [ 1855.566931] [] ? copy_mount_options+0x23d/0x24d [ 1855.616471] [] SyS_mount+0xa3/0xda [ 1855.650955] [] mount_block_root+0x2fc/0x650 [ 1855.700098] [] ? init_rootfs+0x99/0x99 [ 1855.747482] [] ? security_file_ioctl+0xa5/0xb4 [ 1855.802408] [] ? SyS_mknod+0x2f/0x36 [ 1855.851524] [] mount_root+0x45/0x48 [ 1855.939001] [] prepare_namespace+0x1cf/0x235 [ 1856.014641] [] kernel_init_freeable+0x4fa/0x518 [ 1856.087550] [] kernel_init+0x16/0x181 [ 1856.139125] [] ret_from_fork+0x1f/0x40 [ 1856.178870] [] ? rest_init+0x8f/0x8f [ 1856.220220] ================================================================================ [ 1856.292811] ================================================================================ [ 1856.370649] UBSAN: Undefined behaviour in fs/ext4/super.c:3852:12 [ 1856.449673] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1856.599914] which requires 64 byte alignment [ 1856.649355] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1856.700726] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1856.780816] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1856.853661] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1856.967720] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1857.052222] Call Trace: [ 1857.088828] [] dump_stack+0xd7/0x132 [ 1857.134513] [] ? arch_local_irq_restore+0x1b/0x1b [ 1857.187137] [] ubsan_epilogue+0x12/0x53 [ 1857.229277] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1857.297628] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1857.400433] [] ? memset+0x31/0x38 [ 1857.464849] [] ext4_fill_super+0x5b0b/0xa2df [ 1857.528369] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1857.581413] [] ? vsnprintf+0x1a0/0xa32 [ 1857.616556] [] ? pointer+0x7a9/0x7a9 [ 1857.664724] [] ? set_bdev_super+0x15d/0x15d [ 1857.707382] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1857.767325] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1857.866248] [] ? scnprintf+0xf3/0xf3 [ 1857.977120] [] mount_bdev+0x3cf/0x602 [ 1858.087987] [] ? mount_bdev+0x3cf/0x602 [ 1858.200742] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1858.296930] [] ext4_mount+0x3c/0x3e [ 1858.340149] [] mount_fs+0xd0/0x2ca [ 1858.474316] [] vfs_kern_mount+0xa0/0x20a [ 1858.534295] [] do_mount+0x11fe/0x19df [ 1858.586492] [] ? kasan_kmalloc+0x94/0xa3 [ 1858.631899] [] ? copy_mount_string+0x3d/0x3d [ 1858.703235] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1858.755150] [] ? __check_object_size+0x1e1/0x2b8 [ 1858.803630] [] ? 0xffffffffb1c002b8 [ 1858.839528] [] ? copy_mount_options+0x23d/0x24d [ 1858.893023] [] SyS_mount+0xa3/0xda [ 1858.930070] [] mount_block_root+0x2fc/0x650 [ 1858.976355] [] ? init_rootfs+0x99/0x99 [ 1859.015611] [] ? security_file_ioctl+0xa5/0xb4 [ 1859.064114] [] ? SyS_mknod+0x2f/0x36 [ 1859.136068] [] mount_root+0x45/0x48 [ 1859.193659] [] prepare_namespace+0x1cf/0x235 [ 1859.248241] [] kernel_init_freeable+0x4fa/0x518 [ 1859.313605] [] kernel_init+0x16/0x181 [ 1859.361741] [] ret_from_fork+0x1f/0x40 [ 1859.422989] [] ? rest_init+0x8f/0x8f [ 1859.477631] ================================================================================ [ 1859.548975] ================================================================================ [ 1859.632862] UBSAN: Undefined behaviour in fs/ext4/super.c:3854:12 [ 1859.686185] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1859.768116] which requires 64 byte alignment [ 1859.800507] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1859.851312] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1859.935208] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1859.998687] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1860.070993] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1860.144492] Call Trace: [ 1860.164966] [] dump_stack+0xd7/0x132 [ 1860.212512] [] ? arch_local_irq_restore+0x1b/0x1b [ 1860.264686] [] ubsan_epilogue+0x12/0x53 [ 1860.305236] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1860.359486] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1860.411280] [] ? memset+0x31/0x38 [ 1860.447416] [] ext4_fill_super+0x5b3c/0xa2df [ 1860.500743] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1860.560496] [] ? vsnprintf+0x1a0/0xa32 [ 1860.609003] [] ? pointer+0x7a9/0x7a9 [ 1860.642714] [] ? set_bdev_super+0x15d/0x15d [ 1860.693642] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1860.743165] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1860.804157] [] ? scnprintf+0xf3/0xf3 [ 1860.841269] [] mount_bdev+0x3cf/0x602 [ 1860.880704] [] ? mount_bdev+0x3cf/0x602 [ 1860.921863] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1860.984904] [] ext4_mount+0x3c/0x3e [ 1861.036083] [] mount_fs+0xd0/0x2ca [ 1861.086204] [] vfs_kern_mount+0xa0/0x20a [ 1861.149374] [] do_mount+0x11fe/0x19df [ 1861.200020] [] ? kasan_kmalloc+0x94/0xa3 [ 1861.260922] [] ? copy_mount_string+0x3d/0x3d [ 1861.326849] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1861.387040] [] ? __check_object_size+0x1e1/0x2b8 [ 1861.444346] [] ? 0xffffffffb1c002b8 [ 1861.488855] [] ? copy_mount_options+0x23d/0x24d [ 1861.543848] [] SyS_mount+0xa3/0xda [ 1861.587481] [] mount_block_root+0x2fc/0x650 [ 1861.634747] [] ? init_rootfs+0x99/0x99 [ 1861.678053] [] ? security_file_ioctl+0xa5/0xb4 [ 1861.735823] [] ? SyS_mknod+0x2f/0x36 [ 1861.780643] [] mount_root+0x45/0x48 [ 1861.823842] [] prepare_namespace+0x1cf/0x235 [ 1861.865279] [] kernel_init_freeable+0x4fa/0x518 [ 1861.911981] [] kernel_init+0x16/0x181 [ 1861.947431] [] ret_from_fork+0x1f/0x40 [ 1861.993734] [] ? rest_init+0x8f/0x8f [ 1862.032261] ================================================================================ [ 1862.107224] ================================================================================ [ 1862.194370] UBSAN: Undefined behaviour in fs/ext4/super.c:3858:14 [ 1862.235920] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1862.310807] which requires 64 byte alignment [ 1862.337770] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1862.387658] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1862.464323] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1862.528544] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1862.592404] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1862.655546] Call Trace: [ 1862.682381] [] dump_stack+0xd7/0x132 [ 1862.751584] [] ? arch_local_irq_restore+0x1b/0x1b [ 1862.821723] [] ubsan_epilogue+0x12/0x53 [ 1862.900889] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1862.967486] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1863.062092] [] ext4_fill_super+0x5baa/0xa2df [ 1863.145388] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1863.226997] [] ? vsnprintf+0x1a0/0xa32 [ 1863.293775] [] ? pointer+0x7a9/0x7a9 [ 1863.371816] [] ? set_bdev_super+0x15d/0x15d [ 1863.418931] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1863.470433] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1863.520892] [] ? scnprintf+0xf3/0xf3 [ 1863.557191] [] mount_bdev+0x3cf/0x602 [ 1863.605564] [] ? mount_bdev+0x3cf/0x602 [ 1863.652130] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1863.717005] [] ext4_mount+0x3c/0x3e [ 1863.760901] [] mount_fs+0xd0/0x2ca [ 1863.970604] [] vfs_kern_mount+0xa0/0x20a [ 1864.034229] [] do_mount+0x11fe/0x19df [ 1864.097458] [] ? kasan_kmalloc+0x94/0xa3 [ 1864.160680] [] ? copy_mount_string+0x3d/0x3d [ 1864.221277] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1864.287711] [] ? __check_object_size+0x1e1/0x2b8 [ 1864.341616] [] ? 0xffffffffb1c002b8 [ 1864.385199] [] ? copy_mount_options+0x23d/0x24d [ 1864.437062] [] SyS_mount+0xa3/0xda [ 1864.486254] [] mount_block_root+0x2fc/0x650 [ 1864.552860] [] ? init_rootfs+0x99/0x99 [ 1864.614649] [] ? security_file_ioctl+0xa5/0xb4 [ 1864.703292] [] ? SyS_mknod+0x2f/0x36 [ 1864.765740] [] mount_root+0x45/0x48 [ 1864.802382] [] prepare_namespace+0x1cf/0x235 [ 1864.842189] [] kernel_init_freeable+0x4fa/0x518 [ 1864.900370] [] kernel_init+0x16/0x181 [ 1864.946317] [] ret_from_fork+0x1f/0x40 [ 1864.986033] [] ? rest_init+0x8f/0x8f [ 1865.023345] ================================================================================ [ 1865.135078] ================================================================================ [ 1865.236867] UBSAN: Undefined behaviour in fs/ext4/super.c:3859:20 [ 1865.408634] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1865.770225] which requires 64 byte alignment [ 1865.890826] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1865.947741] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1866.181559] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1866.238039] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1866.290290] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1866.357864] Call Trace: [ 1866.375257] [] dump_stack+0xd7/0x132 [ 1866.420351] [] ? arch_local_irq_restore+0x1b/0x1b [ 1866.476937] [] ubsan_epilogue+0x12/0x53 [ 1866.529136] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1866.589752] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1866.663744] [] ext4_fill_super+0x5bda/0xa2df [ 1866.717152] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1866.786949] [] ? vsnprintf+0x1a0/0xa32 [ 1866.846399] [] ? pointer+0x7a9/0x7a9 [ 1866.902725] [] ? set_bdev_super+0x15d/0x15d [ 1866.973071] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1867.055832] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1867.161589] [] ? scnprintf+0xf3/0xf3 [ 1867.240359] [] mount_bdev+0x3cf/0x602 [ 1867.340360] [] ? mount_bdev+0x3cf/0x602 [ 1867.460753] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1867.561007] [] ext4_mount+0x3c/0x3e [ 1867.601126] [] mount_fs+0xd0/0x2ca [ 1867.642373] [] vfs_kern_mount+0xa0/0x20a [ 1867.688901] [] do_mount+0x11fe/0x19df [ 1867.739686] [] ? kasan_kmalloc+0x94/0xa3 [ 1867.805071] [] ? copy_mount_string+0x3d/0x3d [ 1867.883842] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1867.957169] [] ? __check_object_size+0x1e1/0x2b8 [ 1868.036673] [] ? 0xffffffffb1c002b8 [ 1868.088412] [] ? copy_mount_options+0x23d/0x24d [ 1868.168004] [] SyS_mount+0xa3/0xda [ 1868.245030] [] mount_block_root+0x2fc/0x650 [ 1868.423706] [] ? init_rootfs+0x99/0x99 [ 1868.507168] [] ? security_file_ioctl+0xa5/0xb4 [ 1868.580839] [] ? SyS_mknod+0x2f/0x36 [ 1868.630961] [] mount_root+0x45/0x48 [ 1868.673651] [] prepare_namespace+0x1cf/0x235 [ 1868.724515] [] kernel_init_freeable+0x4fa/0x518 [ 1868.782130] [] kernel_init+0x16/0x181 [ 1868.835570] [] ret_from_fork+0x1f/0x40 [ 1868.884532] [] ? rest_init+0x8f/0x8f [ 1868.941457] ================================================================================ [ 1869.024140] ================================================================================ [ 1869.099108] UBSAN: Undefined behaviour in fs/ext4/super.c:3866:13 [ 1869.147074] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1869.221050] which requires 64 byte alignment [ 1869.257341] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1869.304152] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1869.408005] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1869.488816] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1869.574337] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1869.652363] Call Trace: [ 1869.671984] [] dump_stack+0xd7/0x132 [ 1869.722237] [] ? arch_local_irq_restore+0x1b/0x1b [ 1869.778339] [] ubsan_epilogue+0x12/0x53 [ 1869.826259] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1869.882009] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1869.940243] [] ext4_fill_super+0x5d08/0xa2df [ 1869.990628] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1870.075160] [] ? vsnprintf+0x1a0/0xa32 [ 1870.135517] [] ? pointer+0x7a9/0x7a9 [ 1870.182088] [] ? set_bdev_super+0x15d/0x15d [ 1870.240187] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1870.313655] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1870.387659] [] ? scnprintf+0xf3/0xf3 [ 1870.437028] [] mount_bdev+0x3cf/0x602 [ 1870.483128] [] ? mount_bdev+0x3cf/0x602 [ 1870.526822] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1870.584767] [] ext4_mount+0x3c/0x3e [ 1870.626948] [] mount_fs+0xd0/0x2ca [ 1870.670762] [] vfs_kern_mount+0xa0/0x20a [ 1870.723993] [] do_mount+0x11fe/0x19df [ 1870.787110] [] ? kasan_kmalloc+0x94/0xa3 [ 1870.838023] [] ? copy_mount_string+0x3d/0x3d [ 1870.893542] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1870.955638] [] ? __check_object_size+0x1e1/0x2b8 [ 1871.018852] [] ? 0xffffffffb1c002b8 [ 1871.093490] [] ? copy_mount_options+0x23d/0x24d [ 1871.174750] [] SyS_mount+0xa3/0xda [ 1871.239259] [] mount_block_root+0x2fc/0x650 [ 1871.290359] [] ? init_rootfs+0x99/0x99 [ 1871.337205] [] ? security_file_ioctl+0xa5/0xb4 [ 1871.385730] [] ? SyS_mknod+0x2f/0x36 [ 1871.432163] [] mount_root+0x45/0x48 [ 1871.469556] [] prepare_namespace+0x1cf/0x235 [ 1871.524962] [] kernel_init_freeable+0x4fa/0x518 [ 1871.577126] [] kernel_init+0x16/0x181 [ 1871.627573] [] ret_from_fork+0x1f/0x40 [ 1871.671235] [] ? rest_init+0x8f/0x8f [ 1871.722198] ================================================================================ [ 1871.799435] ================================================================================ [ 1871.867435] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1871.919763] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1871.999377] which requires 64 byte alignment [ 1872.036053] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1872.089031] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1872.190337] 00000000ffffffff 00000000b1a89c60 ffff88005c9df760 ffffffffb26ec5cc [ 1872.270453] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1872.351862] 0000000000000010 ffff88005c9df788 ffff88005c9df738 ffffffffb363c3e0 [ 1872.447871] Call Trace: [ 1872.472110] [] dump_stack+0xd7/0x132 [ 1872.523371] [] ? arch_local_irq_restore+0x1b/0x1b [ 1872.578484] [] ubsan_epilogue+0x12/0x53 [ 1872.629615] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1872.693052] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1872.760934] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1872.833470] [] ext4_has_feature_journal_needs_recovery+0x26/0x8d [ 1872.907197] [] ext4_fill_super+0x5d6c/0xa2df [ 1872.959137] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1873.017118] [] ? vsnprintf+0x1a0/0xa32 [ 1873.068345] [] ? pointer+0x7a9/0x7a9 [ 1873.107786] [] ? set_bdev_super+0x15d/0x15d [ 1873.161259] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1873.222758] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1873.276740] [] ? scnprintf+0xf3/0xf3 [ 1873.318240] [] mount_bdev+0x3cf/0x602 [ 1873.364849] [] ? mount_bdev+0x3cf/0x602 [ 1873.432640] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1873.502682] [] ext4_mount+0x3c/0x3e [ 1873.563799] [] mount_fs+0xd0/0x2ca [ 1873.616336] [] vfs_kern_mount+0xa0/0x20a [ 1873.675694] [] do_mount+0x11fe/0x19df [ 1873.736111] [] ? kasan_kmalloc+0x94/0xa3 [ 1873.793737] [] ? copy_mount_string+0x3d/0x3d [ 1873.860332] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1873.918837] [] ? __check_object_size+0x1e1/0x2b8 [ 1873.981283] [] ? 0xffffffffb1c002b8 [ 1874.030531] [] ? copy_mount_options+0x23d/0x24d [ 1874.087737] [] SyS_mount+0xa3/0xda [ 1874.136453] [] mount_block_root+0x2fc/0x650 [ 1874.194977] [] ? init_rootfs+0x99/0x99 [ 1874.235764] [] ? security_file_ioctl+0xa5/0xb4 [ 1874.285223] [] ? SyS_mknod+0x2f/0x36 [ 1874.337305] [] mount_root+0x45/0x48 [ 1874.379850] [] prepare_namespace+0x1cf/0x235 [ 1874.426454] [] kernel_init_freeable+0x4fa/0x518 [ 1874.476840] [] kernel_init+0x16/0x181 [ 1874.525857] [] ret_from_fork+0x1f/0x40 [ 1874.563402] [] ? rest_init+0x8f/0x8f [ 1874.623287] ================================================================================ [ 1874.707474] ================================================================================ [ 1874.793601] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1777:1 [ 1874.869706] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1874.974281] which requires 64 byte alignment [ 1875.008176] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1875.065056] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1875.139559] 00000000ffffffff 00000000b1a89c60 ffff88005c9df760 ffffffffb26ec5cc [ 1875.205521] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1875.279084] ffff880000000010 ffff88005c9df788 ffff88005c9df738 ffffffffb363c3e0 [ 1875.390635] Call Trace: [ 1875.469617] [] dump_stack+0xd7/0x132 [ 1875.645685] [] ? arch_local_irq_restore+0x1b/0x1b [ 1876.022209] [] ubsan_epilogue+0x12/0x53 [ 1876.134619] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1876.246963] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1876.400967] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1876.558599] [] ext4_has_feature_journal_needs_recovery+0x52/0x8d [ 1876.707723] [] ext4_fill_super+0x5d6c/0xa2df [ 1876.808741] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1876.920195] [] ? vsnprintf+0x1a0/0xa32 [ 1877.204064] [] ? pointer+0x7a9/0x7a9 [ 1877.243737] [] ? set_bdev_super+0x15d/0x15d [ 1877.292549] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1877.363205] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1877.558369] [] ? scnprintf+0xf3/0xf3 [ 1878.003573] [] mount_bdev+0x3cf/0x602 [ 1878.090423] [] ? mount_bdev+0x3cf/0x602 [ 1878.136006] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1878.195141] [] ext4_mount+0x3c/0x3e [ 1878.251763] [] mount_fs+0xd0/0x2ca [ 1878.359744] [] vfs_kern_mount+0xa0/0x20a [ 1878.471201] [] do_mount+0x11fe/0x19df [ 1878.534892] [] ? kasan_kmalloc+0x94/0xa3 [ 1878.594933] [] ? copy_mount_string+0x3d/0x3d [ 1878.668779] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1878.729799] [] ? __check_object_size+0x1e1/0x2b8 [ 1878.788282] [] ? 0xffffffffb1c002b8 [ 1878.840179] [] ? copy_mount_options+0x23d/0x24d [ 1878.889396] [] SyS_mount+0xa3/0xda [ 1878.928561] [] mount_block_root+0x2fc/0x650 [ 1878.982427] [] ? init_rootfs+0x99/0x99 [ 1879.024126] [] ? security_file_ioctl+0xa5/0xb4 [ 1879.064753] [] ? SyS_mknod+0x2f/0x36 [ 1879.113228] [] mount_root+0x45/0x48 [ 1879.174931] [] prepare_namespace+0x1cf/0x235 [ 1879.232937] [] kernel_init_freeable+0x4fa/0x518 [ 1879.303260] [] kernel_init+0x16/0x181 [ 1879.347943] [] ret_from_fork+0x1f/0x40 [ 1879.404088] [] ? rest_init+0x8f/0x8f [ 1879.454034] ================================================================================ [ 1879.529693] ================================================================================ [ 1879.615211] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1879.683831] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1879.766817] which requires 64 byte alignment [ 1879.804891] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1879.895961] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1879.999249] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1880.069306] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1880.128228] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1880.190032] Call Trace: [ 1880.211867] [] dump_stack+0xd7/0x132 [ 1880.260481] [] ? arch_local_irq_restore+0x1b/0x1b [ 1880.323103] [] ubsan_epilogue+0x12/0x53 [ 1880.362330] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1880.420913] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1880.491407] [] ext4_fill_super+0x5d96/0xa2df [ 1880.554599] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1880.624537] [] ? vsnprintf+0x1a0/0xa32 [ 1880.671668] [] ? pointer+0x7a9/0x7a9 [ 1880.727100] [] ? set_bdev_super+0x15d/0x15d [ 1880.824646] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1880.913322] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1880.985125] [] ? scnprintf+0xf3/0xf3 [ 1881.030604] [] mount_bdev+0x3cf/0x602 [ 1881.082642] [] ? mount_bdev+0x3cf/0x602 [ 1881.132216] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1881.192990] [] ext4_mount+0x3c/0x3e [ 1881.242673] [] mount_fs+0xd0/0x2ca [ 1881.292354] [] vfs_kern_mount+0xa0/0x20a [ 1881.347409] [] do_mount+0x11fe/0x19df [ 1881.406812] [] ? kasan_kmalloc+0x94/0xa3 [ 1881.472391] [] ? copy_mount_string+0x3d/0x3d [ 1881.532615] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1881.588115] [] ? __check_object_size+0x1e1/0x2b8 [ 1881.654211] [] ? 0xffffffffb1c002b8 [ 1881.700914] [] ? copy_mount_options+0x23d/0x24d [ 1881.756690] [] SyS_mount+0xa3/0xda [ 1881.805603] [] mount_block_root+0x2fc/0x650 [ 1881.858151] [] ? init_rootfs+0x99/0x99 [ 1881.910882] [] ? security_file_ioctl+0xa5/0xb4 [ 1881.963122] [] ? SyS_mknod+0x2f/0x36 [ 1882.015014] [] mount_root+0x45/0x48 [ 1882.065608] [] prepare_namespace+0x1cf/0x235 [ 1882.121569] [] kernel_init_freeable+0x4fa/0x518 [ 1882.169824] [] kernel_init+0x16/0x181 [ 1882.219106] [] ret_from_fork+0x1f/0x40 [ 1882.266005] [] ? rest_init+0x8f/0x8f [ 1882.308575] ================================================================================ [ 1882.379041] ================================================================================ [ 1882.440898] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1782:1 [ 1882.486815] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1882.576078] which requires 64 byte alignment [ 1882.616476] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1882.692077] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1882.795808] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1882.880764] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1882.958273] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1883.045412] Call Trace: [ 1883.065173] [] dump_stack+0xd7/0x132 [ 1883.113706] [] ? arch_local_irq_restore+0x1b/0x1b [ 1883.166729] [] ubsan_epilogue+0x12/0x53 [ 1883.215353] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1883.270328] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1883.325641] [] ext4_fill_super+0x5dc2/0xa2df [ 1883.363666] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1883.423260] [] ? vsnprintf+0x1a0/0xa32 [ 1883.478082] [] ? pointer+0x7a9/0x7a9 [ 1883.539299] [] ? set_bdev_super+0x15d/0x15d [ 1883.613040] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1883.678228] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1883.760966] [] ? scnprintf+0xf3/0xf3 [ 1883.825303] [] mount_bdev+0x3cf/0x602 [ 1883.876937] [] ? mount_bdev+0x3cf/0x602 [ 1883.930575] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1883.997614] [] ext4_mount+0x3c/0x3e [ 1884.047931] [] mount_fs+0xd0/0x2ca [ 1884.094838] [] vfs_kern_mount+0xa0/0x20a [ 1884.149734] [] do_mount+0x11fe/0x19df [ 1884.202423] [] ? kasan_kmalloc+0x94/0xa3 [ 1884.254888] [] ? copy_mount_string+0x3d/0x3d [ 1884.314001] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1884.379169] [] ? __check_object_size+0x1e1/0x2b8 [ 1884.455759] [] ? 0xffffffffb1c002b8 [ 1884.500092] [] ? copy_mount_options+0x23d/0x24d [ 1884.555617] [] SyS_mount+0xa3/0xda [ 1884.602493] [] mount_block_root+0x2fc/0x650 [ 1884.654364] [] ? init_rootfs+0x99/0x99 [ 1884.706002] [] ? security_file_ioctl+0xa5/0xb4 [ 1884.761351] [] ? SyS_mknod+0x2f/0x36 [ 1884.815324] [] mount_root+0x45/0x48 [ 1884.873717] [] prepare_namespace+0x1cf/0x235 [ 1884.934407] [] kernel_init_freeable+0x4fa/0x518 [ 1885.023164] [] kernel_init+0x16/0x181 [ 1885.083019] [] ret_from_fork+0x1f/0x40 [ 1885.142361] [] ? rest_init+0x8f/0x8f [ 1885.199885] ================================================================================ [ 1885.290386] ================================================================================ [ 1885.376669] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1885.426520] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1885.486459] which requires 64 byte alignment [ 1885.524932] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1885.574252] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1885.658193] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1885.730741] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1885.827183] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1885.914645] Call Trace: [ 1885.952617] [] dump_stack+0xd7/0x132 [ 1886.024238] [] ? arch_local_irq_restore+0x1b/0x1b [ 1886.090307] [] ubsan_epilogue+0x12/0x53 [ 1886.129940] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1886.180570] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1886.246969] [] ext4_fill_super+0x5e16/0xa2df [ 1886.300216] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1886.351842] [] ? vsnprintf+0x1a0/0xa32 [ 1886.395075] [] ? pointer+0x7a9/0x7a9 [ 1886.444518] [] ? set_bdev_super+0x15d/0x15d [ 1886.494996] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1886.550755] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1886.624793] [] ? scnprintf+0xf3/0xf3 [ 1886.663179] [] mount_bdev+0x3cf/0x602 [ 1886.709763] [] ? mount_bdev+0x3cf/0x602 [ 1886.760378] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1886.831250] [] ext4_mount+0x3c/0x3e [ 1886.876946] [] mount_fs+0xd0/0x2ca [ 1886.919119] [] vfs_kern_mount+0xa0/0x20a [ 1886.975390] [] do_mount+0x11fe/0x19df [ 1887.022274] [] ? kasan_kmalloc+0x94/0xa3 [ 1887.072292] [] ? copy_mount_string+0x3d/0x3d [ 1887.115953] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1887.160878] [] ? __check_object_size+0x1e1/0x2b8 [ 1887.201639] [] ? 0xffffffffb1c002b8 [ 1887.246852] [] ? copy_mount_options+0x23d/0x24d [ 1887.294994] [] SyS_mount+0xa3/0xda [ 1887.331692] [] mount_block_root+0x2fc/0x650 [ 1887.375883] [] ? init_rootfs+0x99/0x99 [ 1887.415151] [] ? security_file_ioctl+0xa5/0xb4 [ 1887.465493] [] ? SyS_mknod+0x2f/0x36 [ 1887.511553] [] mount_root+0x45/0x48 [ 1887.563872] [] prepare_namespace+0x1cf/0x235 [ 1887.622890] [] kernel_init_freeable+0x4fa/0x518 [ 1887.685319] [] kernel_init+0x16/0x181 [ 1887.735931] [] ret_from_fork+0x1f/0x40 [ 1887.796782] [] ? rest_init+0x8f/0x8f [ 1887.848031] ================================================================================ [ 1887.922998] ================================================================================ [ 1887.990869] UBSAN: Undefined behaviour in fs/ext4/super.c:3879:7 [ 1888.047522] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1888.128745] which requires 64 byte alignment [ 1888.166225] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1888.215732] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1888.301713] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1888.369672] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1888.448874] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1888.510310] Call Trace: [ 1888.556272] [] dump_stack+0xd7/0x132 [ 1888.608708] [] ? arch_local_irq_restore+0x1b/0x1b [ 1888.663607] [] ubsan_epilogue+0x12/0x53 [ 1888.706360] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1888.759300] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1888.830550] [] ext4_fill_super+0x5e36/0xa2df [ 1888.878541] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1888.929919] [] ? vsnprintf+0x1a0/0xa32 [ 1888.977806] [] ? pointer+0x7a9/0x7a9 [ 1889.044325] [] ? set_bdev_super+0x15d/0x15d [ 1889.127338] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1889.497250] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1889.575534] [] ? scnprintf+0xf3/0xf3 [ 1889.619759] [] mount_bdev+0x3cf/0x602 [ 1889.664056] [] ? mount_bdev+0x3cf/0x602 [ 1889.737562] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1889.836046] [] ext4_mount+0x3c/0x3e [ 1889.900209] [] mount_fs+0xd0/0x2ca [ 1889.996915] [] vfs_kern_mount+0xa0/0x20a [ 1890.079475] [] do_mount+0x11fe/0x19df [ 1890.130909] [] ? kasan_kmalloc+0x94/0xa3 [ 1890.199653] [] ? copy_mount_string+0x3d/0x3d [ 1890.314695] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1890.407689] [] ? __check_object_size+0x1e1/0x2b8 [ 1890.473054] [] ? 0xffffffffb1c002b8 [ 1890.591950] [] ? copy_mount_options+0x23d/0x24d [ 1890.675708] [] SyS_mount+0xa3/0xda [ 1890.744146] [] mount_block_root+0x2fc/0x650 [ 1890.806933] INFO: rcu_sched detected stalls on CPUs/tasks: [ 1890.806950] 2-...: (25 ticks this GP) idle=ad3/140000000000000/0 softirq=5099/5099 fqs=6423 [ 1890.806997] (detected by 1, t=15002 jiffies, g=-200, c=-201, q=1) [ 1890.807001] Task dump for CPU 2: [ 1890.807013] swapper/0 R running task 0 1 0 0x00000008 [ 1890.807030] ffffffffb3a5a83c ffff8800a3c07fc0 ffff88005c9df6e0 0000000000000000 [ 1890.807200] 00000000b1a89c60 ffff88005c9df650 ffffffffb3a5a83c 00000000b1a89c60 [ 1890.807211] 0000000000000000 0000000000000000 000000000000000c 0000000000000000 [ 1890.807213] Call Trace: [ 1890.807232] [] ? show_trace_log_lvl+0x52/0x5b [ 1890.807452] [] ? show_stack_log_lvl+0x291/0x2b4 [ 1890.807469] [] ? show_stack+0x51/0x67 [ 1890.807481] [] ? dump_stack+0xd7/0x132 [ 1890.807493] [] ? arch_local_irq_restore+0x1b/0x1b [ 1890.807504] [] ? ubsan_epilogue+0x12/0x53 [ 1890.807516] [] ? __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1890.807529] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1890.807541] [] ? ext4_fill_super+0x5e36/0xa2df [ 1890.807554] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1890.807565] [] ? vsnprintf+0x1a0/0xa32 [ 1890.807576] [] ? pointer+0x7a9/0x7a9 [ 1890.807586] [] ? set_bdev_super+0x15d/0x15d [ 1890.807599] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1890.807612] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1890.807623] [] ? scnprintf+0xf3/0xf3 [ 1890.807634] [] ? mount_bdev+0x3cf/0x602 [ 1890.807643] [] ? mount_bdev+0x3cf/0x602 [ 1890.807654] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1890.807668] [] ? ext4_mount+0x3c/0x3e [ 1890.807678] [] ? mount_fs+0xd0/0x2ca [ 1890.807692] [] ? vfs_kern_mount+0xa0/0x20a [ 1890.807702] [] ? do_mount+0x11fe/0x19df [ 1890.807714] [] ? kasan_kmalloc+0x94/0xa3 [ 1890.807725] [] ? copy_mount_string+0x3d/0x3d [ 1890.807799] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1890.807812] [] ? __check_object_size+0x1e1/0x2b8 [ 1890.807820] [] ? 0xffffffffb1c002b8 [ 1890.807831] [] ? copy_mount_options+0x23d/0x24d [ 1890.807842] [] ? SyS_mount+0xa3/0xda [ 1890.807854] [] ? mount_block_root+0x2fc/0x650 [ 1890.807865] [] ? init_rootfs+0x99/0x99 [ 1890.807878] [] ? security_file_ioctl+0xa5/0xb4 [ 1890.807890] [] ? SyS_mknod+0x2f/0x36 [ 1890.807900] [] ? mount_root+0x45/0x48 [ 1890.807912] [] ? prepare_namespace+0x1cf/0x235 [ 1890.807923] [] ? kernel_init_freeable+0x4fa/0x518 [ 1890.807935] [] ? kernel_init+0x16/0x181 [ 1890.807948] [] ? ret_from_fork+0x1f/0x40 [ 1890.807958] [] ? rest_init+0x8f/0x8f [ 1895.044063] [] ? init_rootfs+0x99/0x99 [ 1895.085160] [] ? security_file_ioctl+0xa5/0xb4 [ 1895.134577] [] ? SyS_mknod+0x2f/0x36 [ 1895.183429] [] mount_root+0x45/0x48 [ 1895.234564] [] prepare_namespace+0x1cf/0x235 [ 1895.294466] [] kernel_init_freeable+0x4fa/0x518 [ 1895.349138] [] kernel_init+0x16/0x181 [ 1895.487417] [] ret_from_fork+0x1f/0x40 [ 1895.652810] [] ? rest_init+0x8f/0x8f [ 1895.727251] ================================================================================ [ 1895.813697] ================================================================================ [ 1895.872188] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1895.915132] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1896.010893] which requires 64 byte alignment [ 1896.061517] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1896.201020] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1896.419658] 00000000ffffffff 00000000b1a89c60 ffff88005c9df760 ffffffffb26ec5cc [ 1896.510929] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1896.589802] 0000000000000010 ffff88005c9df788 ffff88005c9df738 ffffffffb363c3e0 [ 1896.729578] Call Trace: [ 1896.751555] [] dump_stack+0xd7/0x132 [ 1896.796463] [] ? arch_local_irq_restore+0x1b/0x1b [ 1896.855209] [] ubsan_epilogue+0x12/0x53 [ 1896.906715] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1896.993158] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1897.055776] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1897.122878] [] ext4_has_feature_journal+0x26/0x8d [ 1897.208153] [] ext4_fill_super+0x5ee6/0xa2df [ 1897.330440] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1897.382749] [] ? vsnprintf+0x1a0/0xa32 [ 1897.452550] [] ? pointer+0x7a9/0x7a9 [ 1897.500404] [] ? set_bdev_super+0x15d/0x15d [ 1897.552037] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1897.616184] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1897.681073] [] ? scnprintf+0xf3/0xf3 [ 1897.732381] [] mount_bdev+0x3cf/0x602 [ 1897.804461] [] ? mount_bdev+0x3cf/0x602 [ 1897.870593] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1897.936213] [] ext4_mount+0x3c/0x3e [ 1898.002346] [] mount_fs+0xd0/0x2ca [ 1898.076300] [] vfs_kern_mount+0xa0/0x20a [ 1898.120959] [] do_mount+0x11fe/0x19df [ 1898.164250] [] ? kasan_kmalloc+0x94/0xa3 [ 1898.202729] [] ? copy_mount_string+0x3d/0x3d [ 1898.251890] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1898.304582] [] ? __check_object_size+0x1e1/0x2b8 [ 1898.354455] [] ? 0xffffffffb1c002b8 [ 1898.394417] [] ? copy_mount_options+0x23d/0x24d [ 1898.434853] [] SyS_mount+0xa3/0xda [ 1898.494319] [] mount_block_root+0x2fc/0x650 [ 1898.545136] [] ? init_rootfs+0x99/0x99 [ 1898.597163] [] ? security_file_ioctl+0xa5/0xb4 [ 1898.667406] [] ? SyS_mknod+0x2f/0x36 [ 1898.728621] [] mount_root+0x45/0x48 [ 1898.801221] [] prepare_namespace+0x1cf/0x235 [ 1898.880235] [] kernel_init_freeable+0x4fa/0x518 [ 1898.952743] [] kernel_init+0x16/0x181 [ 1899.005117] [] ret_from_fork+0x1f/0x40 [ 1899.060038] [] ? rest_init+0x8f/0x8f [ 1899.104889] ================================================================================ [ 1899.176080] ================================================================================ [ 1899.251601] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1756:1 [ 1899.301812] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1899.381749] which requires 64 byte alignment [ 1899.417010] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1899.480247] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1899.579797] 00000000ffffffff 00000000b1a89c60 ffff88005c9df760 ffffffffb26ec5cc [ 1899.665555] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1899.748864] ffff880000000010 ffff88005c9df788 ffff88005c9df738 ffffffffb363c3e0 [ 1899.830739] Call Trace: [ 1899.852342] [] dump_stack+0xd7/0x132 [ 1899.900849] [] ? arch_local_irq_restore+0x1b/0x1b [ 1899.964517] [] ubsan_epilogue+0x12/0x53 [ 1900.019926] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1900.085435] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1900.148362] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1900.205635] [] ext4_has_feature_journal+0x52/0x8d [ 1900.267580] [] ext4_fill_super+0x5ee6/0xa2df [ 1900.320575] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1900.372477] [] ? vsnprintf+0x1a0/0xa32 [ 1900.417672] [] ? pointer+0x7a9/0x7a9 [ 1900.465338] [] ? set_bdev_super+0x15d/0x15d [ 1900.522518] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1900.599011] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1900.678481] [] ? scnprintf+0xf3/0xf3 [ 1900.739361] [] mount_bdev+0x3cf/0x602 [ 1900.793065] [] ? mount_bdev+0x3cf/0x602 [ 1900.852054] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1900.921561] [] ext4_mount+0x3c/0x3e [ 1900.974476] [] mount_fs+0xd0/0x2ca [ 1901.020910] [] vfs_kern_mount+0xa0/0x20a [ 1901.071683] [] do_mount+0x11fe/0x19df [ 1901.116391] [] ? kasan_kmalloc+0x94/0xa3 [ 1901.167584] [] ? copy_mount_string+0x3d/0x3d [ 1901.213296] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1901.267801] [] ? __check_object_size+0x1e1/0x2b8 [ 1901.316238] [] ? 0xffffffffb1c002b8 [ 1901.364759] [] ? copy_mount_options+0x23d/0x24d [ 1901.410774] [] SyS_mount+0xa3/0xda [ 1901.453466] [] mount_block_root+0x2fc/0x650 [ 1901.515286] [] ? init_rootfs+0x99/0x99 [ 1901.571503] [] ? security_file_ioctl+0xa5/0xb4 [ 1901.646771] [] ? SyS_mknod+0x2f/0x36 [ 1901.698562] [] mount_root+0x45/0x48 [ 1901.753950] [] prepare_namespace+0x1cf/0x235 [ 1901.817742] [] kernel_init_freeable+0x4fa/0x518 [ 1901.881176] [] kernel_init+0x16/0x181 [ 1901.937431] [] ret_from_fork+0x1f/0x40 [ 1901.989441] [] ? rest_init+0x8f/0x8f [ 1902.041526] ================================================================================ [ 1902.116000] ================================================================================ [ 1902.183825] UBSAN: Undefined behaviour in fs/ext4/super.c:4420:21 [ 1902.233576] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1902.313548] which requires 64 byte alignment [ 1902.348057] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1902.402142] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1902.481074] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 1902.550447] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1902.606797] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 1902.675722] Call Trace: [ 1902.695991] [] dump_stack+0xd7/0x132 [ 1902.741871] [] ? arch_local_irq_restore+0x1b/0x1b [ 1902.790417] [] ubsan_epilogue+0x12/0x53 [ 1902.832677] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1902.895972] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1902.952712] [] ext4_fill_super+0x6043/0xa2df [ 1903.017033] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1903.088619] [] ? vsnprintf+0x1a0/0xa32 [ 1903.131948] [] ? pointer+0x7a9/0x7a9 [ 1903.178403] [] ? set_bdev_super+0x15d/0x15d [ 1903.221475] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1903.287611] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1903.351756] [] ? scnprintf+0xf3/0xf3 [ 1903.398400] [] mount_bdev+0x3cf/0x602 [ 1903.438400] [] ? mount_bdev+0x3cf/0x602 [ 1903.490219] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1903.550064] [] ext4_mount+0x3c/0x3e [ 1903.593186] [] mount_fs+0xd0/0x2ca [ 1903.635230] [] vfs_kern_mount+0xa0/0x20a [ 1903.692628] [] do_mount+0x11fe/0x19df [ 1903.732770] [] ? kasan_kmalloc+0x94/0xa3 [ 1903.784558] [] ? copy_mount_string+0x3d/0x3d [ 1903.829771] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1903.888591] [] ? __check_object_size+0x1e1/0x2b8 [ 1903.939649] [] ? 0xffffffffb1c002b8 [ 1903.986665] [] ? copy_mount_options+0x23d/0x24d [ 1904.034350] [] SyS_mount+0xa3/0xda [ 1904.083592] [] mount_block_root+0x2fc/0x650 [ 1904.129171] [] ? init_rootfs+0x99/0x99 [ 1904.178934] [] ? security_file_ioctl+0xa5/0xb4 [ 1904.227850] [] ? SyS_mknod+0x2f/0x36 [ 1904.286843] [] mount_root+0x45/0x48 [ 1904.332124] [] prepare_namespace+0x1cf/0x235 [ 1904.387574] [] kernel_init_freeable+0x4fa/0x518 [ 1904.435974] [] kernel_init+0x16/0x181 [ 1904.486456] [] ret_from_fork+0x1f/0x40 [ 1904.530444] [] ? rest_init+0x8f/0x8f [ 1904.574793] ================================================================================ [ 1904.643122] ================================================================================ [ 1904.720283] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1904.769107] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1904.832311] which requires 64 byte alignment [ 1904.882999] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1904.927337] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1905.000280] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 1905.065645] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1905.119422] 0000000000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 1905.186612] Call Trace: [ 1905.207399] [] dump_stack+0xd7/0x132 [ 1905.251605] [] ? arch_local_irq_restore+0x1b/0x1b [ 1905.308842] [] ubsan_epilogue+0x12/0x53 [ 1905.351386] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1905.407131] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1905.473126] [] ? vprintk_emit+0x636/0x647 [ 1905.521312] [] ext4_iget+0xdc/0x2717 [ 1905.572752] [] ? vprintk_default+0x65/0x6e [ 1905.620508] [] ? ext4_get_projid+0x137/0x137 [ 1905.672343] [] ? ubsan_epilogue+0x26/0x53 [ 1905.803760] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1905.880720] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1905.939585] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1905.998488] [] ext4_fill_super+0x6154/0xa2df [ 1906.041266] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1906.103875] [] ? vsnprintf+0x1a0/0xa32 [ 1906.143809] [] ? pointer+0x7a9/0x7a9 [ 1906.185295] [] ? set_bdev_super+0x15d/0x15d [ 1906.223035] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1906.280920] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1906.338398] [] ? scnprintf+0xf3/0xf3 [ 1906.368460] [] mount_bdev+0x3cf/0x602 [ 1906.400871] [] ? mount_bdev+0x3cf/0x602 [ 1906.442644] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1906.490562] [] ext4_mount+0x3c/0x3e [ 1906.535700] [] mount_fs+0xd0/0x2ca [ 1906.573252] [] vfs_kern_mount+0xa0/0x20a [ 1906.622088] [] do_mount+0x11fe/0x19df [ 1906.667431] [] ? kasan_kmalloc+0x94/0xa3 [ 1906.722745] [] ? copy_mount_string+0x3d/0x3d [ 1906.771799] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1906.832142] [] ? __check_object_size+0x1e1/0x2b8 [ 1906.877942] [] ? 0xffffffffb1c002b8 [ 1906.912330] [] ? copy_mount_options+0x23d/0x24d [ 1906.963247] [] SyS_mount+0xa3/0xda [ 1906.996753] [] mount_block_root+0x2fc/0x650 [ 1907.042579] [] ? init_rootfs+0x99/0x99 [ 1907.083022] [] ? security_file_ioctl+0xa5/0xb4 [ 1907.128331] [] ? SyS_mknod+0x2f/0x36 [ 1907.168915] [] mount_root+0x45/0x48 [ 1907.208906] [] prepare_namespace+0x1cf/0x235 [ 1907.264010] [] kernel_init_freeable+0x4fa/0x518 [ 1907.314708] [] kernel_init+0x16/0x181 [ 1907.365600] [] ret_from_fork+0x1f/0x40 [ 1907.414574] [] ? rest_init+0x8f/0x8f [ 1907.468674] ================================================================================ [ 1907.553473] ================================================================================ [ 1907.630323] UBSAN: Undefined behaviour in fs/ext4/inode.c:4439:13 [ 1907.686839] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1907.766950] which requires 64 byte alignment [ 1907.804577] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1907.845959] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1907.910865] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 1907.965289] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1908.018733] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 1908.072328] Call Trace: [ 1908.095450] [] dump_stack+0xd7/0x132 [ 1908.137523] [] ? arch_local_irq_restore+0x1b/0x1b [ 1908.185050] [] ubsan_epilogue+0x12/0x53 [ 1908.230275] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1908.286428] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1908.341787] [] ? vprintk_emit+0x636/0x647 [ 1908.376866] [] ext4_iget+0x11f/0x2717 [ 1908.417690] [] ? vprintk_default+0x65/0x6e [ 1908.458639] [] ? ext4_get_projid+0x137/0x137 [ 1908.499654] [] ? ubsan_epilogue+0x26/0x53 [ 1908.539195] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1908.595064] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1908.659834] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1908.723882] [] ext4_fill_super+0x6154/0xa2df [ 1908.780207] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1908.840428] [] ? vsnprintf+0x1a0/0xa32 [ 1908.896059] [] ? pointer+0x7a9/0x7a9 [ 1908.945749] [] ? set_bdev_super+0x15d/0x15d [ 1908.991811] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1909.044625] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1909.109507] [] ? scnprintf+0xf3/0xf3 [ 1909.159993] [] mount_bdev+0x3cf/0x602 [ 1909.203975] [] ? mount_bdev+0x3cf/0x602 [ 1909.248765] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1909.308229] [] ext4_mount+0x3c/0x3e [ 1909.343879] [] mount_fs+0xd0/0x2ca [ 1909.383699] [] vfs_kern_mount+0xa0/0x20a [ 1909.421670] [] do_mount+0x11fe/0x19df [ 1909.468109] [] ? kasan_kmalloc+0x94/0xa3 [ 1909.520678] [] ? copy_mount_string+0x3d/0x3d [ 1909.569866] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1909.618547] [] ? __check_object_size+0x1e1/0x2b8 [ 1909.655757] [] ? 0xffffffffb1c002b8 [ 1909.689326] [] ? copy_mount_options+0x23d/0x24d [ 1909.734929] [] SyS_mount+0xa3/0xda [ 1909.771545] [] mount_block_root+0x2fc/0x650 [ 1909.814876] [] ? init_rootfs+0x99/0x99 [ 1909.849456] [] ? security_file_ioctl+0xa5/0xb4 [ 1909.893582] [] ? SyS_mknod+0x2f/0x36 [ 1909.936587] [] mount_root+0x45/0x48 [ 1909.970634] [] prepare_namespace+0x1cf/0x235 [ 1910.017237] [] kernel_init_freeable+0x4fa/0x518 [ 1910.055155] [] kernel_init+0x16/0x181 [ 1910.092245] [] ret_from_fork+0x1f/0x40 [ 1910.126998] [] ? rest_init+0x8f/0x8f [ 1910.171684] ================================================================================ [ 1910.253334] ================================================================================ [ 1910.322776] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1910.364253] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1910.435527] which requires 64 byte alignment [ 1910.462719] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1910.504834] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1910.568294] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1910.625503] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1910.679035] 0000000000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1910.740057] Call Trace: [ 1910.768970] [] dump_stack+0xd7/0x132 [ 1910.817397] [] ? arch_local_irq_restore+0x1b/0x1b [ 1910.869512] [] ubsan_epilogue+0x12/0x53 [ 1910.908033] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1910.963964] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1911.008892] [] ? __list_add+0x211/0x249 [ 1911.041501] [] ? inode_init_always+0x91e/0x95d [ 1911.091600] [] __ext4_get_inode_loc+0x1da/0xd50 [ 1911.137630] [] ? queued_spin_unlock+0xe/0x1b [ 1911.188523] [] ext4_iget+0x1ab/0x2717 [ 1911.225260] [] ? vprintk_default+0x65/0x6e [ 1911.275540] [] ? ext4_get_projid+0x137/0x137 [ 1911.318638] [] ? ubsan_epilogue+0x26/0x53 [ 1911.351553] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1911.403586] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1911.454761] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1911.504459] [] ext4_fill_super+0x6154/0xa2df [ 1911.543581] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1911.597653] [] ? vsnprintf+0x1a0/0xa32 [ 1911.640175] [] ? pointer+0x7a9/0x7a9 [ 1911.692031] [] ? set_bdev_super+0x15d/0x15d [ 1911.740751] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1911.796000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1911.869863] [] ? scnprintf+0xf3/0xf3 [ 1911.918057] [] mount_bdev+0x3cf/0x602 [ 1911.969127] [] ? mount_bdev+0x3cf/0x602 [ 1912.025335] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1912.099436] [] ext4_mount+0x3c/0x3e [ 1912.143593] [] mount_fs+0xd0/0x2ca [ 1912.195577] [] vfs_kern_mount+0xa0/0x20a [ 1912.248193] [] do_mount+0x11fe/0x19df [ 1912.296090] [] ? kasan_kmalloc+0x94/0xa3 [ 1912.346130] [] ? copy_mount_string+0x3d/0x3d [ 1912.408173] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1912.463524] [] ? __check_object_size+0x1e1/0x2b8 [ 1912.515525] [] ? 0xffffffffb1c002b8 [ 1912.556662] [] ? copy_mount_options+0x23d/0x24d [ 1912.611707] [] SyS_mount+0xa3/0xda [ 1912.656713] [] mount_block_root+0x2fc/0x650 [ 1912.707229] [] ? init_rootfs+0x99/0x99 [ 1912.752094] [] ? security_file_ioctl+0xa5/0xb4 [ 1912.802001] [] ? SyS_mknod+0x2f/0x36 [ 1912.850758] [] mount_root+0x45/0x48 [ 1912.900484] [] prepare_namespace+0x1cf/0x235 [ 1912.951589] [] kernel_init_freeable+0x4fa/0x518 [ 1912.995746] [] kernel_init+0x16/0x181 [ 1913.034073] [] ret_from_fork+0x1f/0x40 [ 1913.077761] [] ? rest_init+0x8f/0x8f [ 1913.112865] ================================================================================ [ 1913.166697] ================================================================================ [ 1913.220121] UBSAN: Undefined behaviour in fs/ext4/inode.c:4213:43 [ 1913.259285] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1913.322651] which requires 64 byte alignment [ 1913.361771] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1913.415118] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1913.491125] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1913.549143] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1913.626174] ffff880000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1913.688099] Call Trace: [ 1913.709000] [] dump_stack+0xd7/0x132 [ 1913.756454] [] ? arch_local_irq_restore+0x1b/0x1b [ 1913.807389] [] ubsan_epilogue+0x12/0x53 [ 1913.862070] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1913.919992] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1913.977905] [] ? __list_add+0x211/0x249 [ 1914.021982] [] ? inode_init_always+0x91e/0x95d [ 1914.075553] [] __ext4_get_inode_loc+0x207/0xd50 [ 1914.123337] [] ? queued_spin_unlock+0xe/0x1b [ 1914.165848] [] ext4_iget+0x1ab/0x2717 [ 1914.202759] [] ? vprintk_default+0x65/0x6e [ 1914.237694] [] ? ext4_get_projid+0x137/0x137 [ 1914.272998] [] ? ubsan_epilogue+0x26/0x53 [ 1914.312698] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1914.359019] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1914.406548] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1914.448679] [] ext4_fill_super+0x6154/0xa2df [ 1914.487982] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1914.531569] [] ? vsnprintf+0x1a0/0xa32 [ 1914.573090] [] ? pointer+0x7a9/0x7a9 [ 1914.604687] [] ? set_bdev_super+0x15d/0x15d [ 1914.638826] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1914.687108] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1914.733917] [] ? scnprintf+0xf3/0xf3 [ 1914.766176] [] mount_bdev+0x3cf/0x602 [ 1914.814528] [] ? mount_bdev+0x3cf/0x602 [ 1914.856167] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1914.903981] [] ext4_mount+0x3c/0x3e [ 1914.937408] [] mount_fs+0xd0/0x2ca [ 1914.974059] [] vfs_kern_mount+0xa0/0x20a [ 1915.014135] [] do_mount+0x11fe/0x19df [ 1915.050005] [] ? kasan_kmalloc+0x94/0xa3 [ 1915.087639] [] ? copy_mount_string+0x3d/0x3d [ 1915.120545] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1915.155964] [] ? __check_object_size+0x1e1/0x2b8 [ 1915.195138] [] ? 0xffffffffb1c002b8 [ 1915.224020] [] ? copy_mount_options+0x23d/0x24d [ 1915.262009] [] SyS_mount+0xa3/0xda [ 1915.291240] [] mount_block_root+0x2fc/0x650 [ 1915.327647] [] ? init_rootfs+0x99/0x99 [ 1915.379592] [] ? security_file_ioctl+0xa5/0xb4 [ 1915.435219] [] ? SyS_mknod+0x2f/0x36 [ 1915.480989] [] mount_root+0x45/0x48 [ 1915.520279] [] prepare_namespace+0x1cf/0x235 [ 1915.570117] [] kernel_init_freeable+0x4fa/0x518 [ 1915.620538] [] kernel_init+0x16/0x181 [ 1915.661997] [] ret_from_fork+0x1f/0x40 [ 1915.701539] [] ? rest_init+0x8f/0x8f [ 1915.743797] ================================================================================ [ 1915.822211] ================================================================================ [ 1915.891254] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1915.941256] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1916.014697] which requires 64 byte alignment [ 1916.045945] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1916.097976] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1916.153310] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1916.210087] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1916.260129] 0000000000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1916.317920] Call Trace: [ 1916.335474] [] dump_stack+0xd7/0x132 [ 1916.362448] [] ? arch_local_irq_restore+0x1b/0x1b [ 1916.404236] [] ubsan_epilogue+0x12/0x53 [ 1916.439397] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1916.477785] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1916.524988] [] ? ext4_get_group_desc+0x353/0x365 [ 1916.568715] [] __ext4_get_inode_loc+0x2de/0xd50 [ 1916.614967] [] ? queued_spin_unlock+0xe/0x1b [ 1916.665244] [] ext4_iget+0x1ab/0x2717 [ 1916.709078] [] ? vprintk_default+0x65/0x6e [ 1916.750745] [] ? ext4_get_projid+0x137/0x137 [ 1916.794948] [] ? ubsan_epilogue+0x26/0x53 [ 1916.841664] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1916.901815] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1916.953794] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1917.023630] [] ext4_fill_super+0x6154/0xa2df [ 1917.065124] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1917.120368] [] ? vsnprintf+0x1a0/0xa32 [ 1917.168537] [] ? pointer+0x7a9/0x7a9 [ 1917.207648] [] ? set_bdev_super+0x15d/0x15d [ 1917.238037] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1917.285051] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1917.336590] [] ? scnprintf+0xf3/0xf3 [ 1917.364088] [] mount_bdev+0x3cf/0x602 [ 1917.405379] [] ? mount_bdev+0x3cf/0x602 [ 1917.443071] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1917.490002] [] ext4_mount+0x3c/0x3e [ 1917.529102] [] mount_fs+0xd0/0x2ca [ 1917.564133] [] vfs_kern_mount+0xa0/0x20a [ 1917.611795] [] do_mount+0x11fe/0x19df [ 1917.655493] [] ? kasan_kmalloc+0x94/0xa3 [ 1917.699791] [] ? copy_mount_string+0x3d/0x3d [ 1917.740678] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1917.800083] [] ? __check_object_size+0x1e1/0x2b8 [ 1917.843736] [] ? 0xffffffffb1c002b8 [ 1917.885997] [] ? copy_mount_options+0x23d/0x24d [ 1917.938348] [] SyS_mount+0xa3/0xda [ 1917.981830] [] mount_block_root+0x2fc/0x650 [ 1918.028617] [] ? init_rootfs+0x99/0x99 [ 1918.071431] [] ? security_file_ioctl+0xa5/0xb4 [ 1918.123185] [] ? SyS_mknod+0x2f/0x36 [ 1918.158914] [] mount_root+0x45/0x48 [ 1918.196730] [] prepare_namespace+0x1cf/0x235 [ 1918.244429] [] kernel_init_freeable+0x4fa/0x518 [ 1918.293178] [] kernel_init+0x16/0x181 [ 1918.336649] [] ret_from_fork+0x1f/0x40 [ 1918.438926] [] ? rest_init+0x8f/0x8f [ 1918.472270] ================================================================================ [ 1918.525281] ================================================================================ [ 1918.591189] UBSAN: Undefined behaviour in fs/ext4/inode.c:4221:32 [ 1918.627824] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1918.692781] which requires 64 byte alignment [ 1918.719378] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1918.760844] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1918.825520] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1918.874764] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1918.928705] ffff880000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1918.979945] Call Trace: [ 1918.999916] [] dump_stack+0xd7/0x132 [ 1919.036768] [] ? arch_local_irq_restore+0x1b/0x1b [ 1919.071971] [] ubsan_epilogue+0x12/0x53 [ 1919.113176] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1919.152855] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1919.203218] [] ? ext4_get_group_desc+0x353/0x365 [ 1919.238812] [] __ext4_get_inode_loc+0x30b/0xd50 [ 1919.280618] [] ? queued_spin_unlock+0xe/0x1b [ 1919.323321] [] ext4_iget+0x1ab/0x2717 [ 1919.363115] [] ? vprintk_default+0x65/0x6e [ 1919.402420] [] ? ext4_get_projid+0x137/0x137 [ 1919.440374] [] ? ubsan_epilogue+0x26/0x53 [ 1919.474924] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1919.527107] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1919.570201] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1919.627412] [] ext4_fill_super+0x6154/0xa2df [ 1919.677433] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1919.727730] [] ? vsnprintf+0x1a0/0xa32 [ 1919.760335] [] ? pointer+0x7a9/0x7a9 [ 1919.799863] [] ? set_bdev_super+0x15d/0x15d [ 1919.838589] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1919.879748] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1919.931503] [] ? scnprintf+0xf3/0xf3 [ 1919.966793] [] mount_bdev+0x3cf/0x602 [ 1920.006731] [] ? mount_bdev+0x3cf/0x602 [ 1920.044061] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1920.091323] [] ext4_mount+0x3c/0x3e [ 1920.122160] [] mount_fs+0xd0/0x2ca [ 1920.149175] [] vfs_kern_mount+0xa0/0x20a [ 1920.180722] [] do_mount+0x11fe/0x19df [ 1920.218352] [] ? kasan_kmalloc+0x94/0xa3 [ 1920.255519] [] ? copy_mount_string+0x3d/0x3d [ 1920.298090] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1920.344987] [] ? __check_object_size+0x1e1/0x2b8 [ 1920.400148] [] ? 0xffffffffb1c002b8 [ 1920.442068] [] ? copy_mount_options+0x23d/0x24d [ 1920.511459] [] SyS_mount+0xa3/0xda [ 1920.559427] [] mount_block_root+0x2fc/0x650 [ 1920.618666] [] ? init_rootfs+0x99/0x99 [ 1920.665370] [] ? security_file_ioctl+0xa5/0xb4 [ 1920.721143] [] ? SyS_mknod+0x2f/0x36 [ 1920.746939] [] mount_root+0x45/0x48 [ 1920.782523] [] prepare_namespace+0x1cf/0x235 [ 1920.825817] [] kernel_init_freeable+0x4fa/0x518 [ 1920.864524] [] kernel_init+0x16/0x181 [ 1920.912629] [] ret_from_fork+0x1f/0x40 [ 1920.949096] [] ? rest_init+0x8f/0x8f [ 1920.984713] ================================================================================ [ 1921.054436] ================================================================================ [ 1921.119662] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1921.171152] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1921.238541] which requires 64 byte alignment [ 1921.259884] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1921.300285] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1921.361281] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1921.410716] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1921.456152] ffff880000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1921.510744] Call Trace: [ 1921.529873] [] dump_stack+0xd7/0x132 [ 1921.569472] [] ? arch_local_irq_restore+0x1b/0x1b [ 1921.621714] [] ubsan_epilogue+0x12/0x53 [ 1921.659491] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1921.711076] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1921.756943] [] ? ext4_get_group_desc+0x353/0x365 [ 1921.803039] [] __ext4_get_inode_loc+0x33d/0xd50 [ 1921.847007] [] ? queued_spin_unlock+0xe/0x1b [ 1921.883174] [] ext4_iget+0x1ab/0x2717 [ 1921.923648] [] ? vprintk_default+0x65/0x6e [ 1921.966180] [] ? ext4_get_projid+0x137/0x137 [ 1922.006360] [] ? ubsan_epilogue+0x26/0x53 [ 1922.050816] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1922.101845] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1922.144543] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1922.191468] [] ext4_fill_super+0x6154/0xa2df [ 1922.232716] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1922.271112] [] ? vsnprintf+0x1a0/0xa32 [ 1922.313943] [] ? pointer+0x7a9/0x7a9 [ 1922.350812] [] ? set_bdev_super+0x15d/0x15d [ 1922.400107] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1922.460797] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1922.525285] [] ? scnprintf+0xf3/0xf3 [ 1922.564232] [] mount_bdev+0x3cf/0x602 [ 1922.609557] [] ? mount_bdev+0x3cf/0x602 [ 1922.657861] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1922.711515] [] ext4_mount+0x3c/0x3e [ 1922.741432] [] mount_fs+0xd0/0x2ca [ 1922.770136] [] vfs_kern_mount+0xa0/0x20a [ 1922.804732] [] do_mount+0x11fe/0x19df [ 1922.842922] [] ? kasan_kmalloc+0x94/0xa3 [ 1922.878513] [] ? copy_mount_string+0x3d/0x3d [ 1922.911744] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1922.951367] [] ? __check_object_size+0x1e1/0x2b8 [ 1922.999163] [] ? 0xffffffffb1c002b8 [ 1923.044699] [] ? copy_mount_options+0x23d/0x24d [ 1923.106251] [] SyS_mount+0xa3/0xda [ 1923.145304] [] mount_block_root+0x2fc/0x650 [ 1923.192218] [] ? init_rootfs+0x99/0x99 [ 1923.231833] [] ? security_file_ioctl+0xa5/0xb4 [ 1923.273281] [] ? SyS_mknod+0x2f/0x36 [ 1923.301249] [] mount_root+0x45/0x48 [ 1923.342084] [] prepare_namespace+0x1cf/0x235 [ 1923.382797] [] kernel_init_freeable+0x4fa/0x518 [ 1923.426796] [] kernel_init+0x16/0x181 [ 1923.458978] [] ret_from_fork+0x1f/0x40 [ 1923.501959] [] ? rest_init+0x8f/0x8f [ 1923.539670] ================================================================================ [ 1923.606180] ================================================================================ [ 1923.664703] UBSAN: Undefined behaviour in fs/ext4/inode.c:4223:4 [ 1923.705230] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1923.763798] which requires 64 byte alignment [ 1923.790570] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1923.830277] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1923.908967] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1923.963022] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1924.011538] ffff880000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1924.061039] Call Trace: [ 1924.078138] [] dump_stack+0xd7/0x132 [ 1924.113076] [] ? arch_local_irq_restore+0x1b/0x1b [ 1924.154834] [] ubsan_epilogue+0x12/0x53 [ 1924.188877] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1924.239933] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1924.285152] [] ? ext4_get_group_desc+0x353/0x365 [ 1924.323487] [] __ext4_get_inode_loc+0x357/0xd50 [ 1924.361462] [] ? queued_spin_unlock+0xe/0x1b [ 1924.398853] [] ext4_iget+0x1ab/0x2717 [ 1924.430291] [] ? vprintk_default+0x65/0x6e [ 1924.464725] [] ? ext4_get_projid+0x137/0x137 [ 1924.507013] [] ? ubsan_epilogue+0x26/0x53 [ 1924.573039] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1924.718773] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1924.864825] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1924.915973] [] ext4_fill_super+0x6154/0xa2df [ 1924.958063] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1924.993333] [] ? vsnprintf+0x1a0/0xa32 [ 1925.032896] [] ? pointer+0x7a9/0x7a9 [ 1925.063257] [] ? set_bdev_super+0x15d/0x15d [ 1925.102802] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1925.157509] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1925.210372] [] ? scnprintf+0xf3/0xf3 [ 1925.252782] [] mount_bdev+0x3cf/0x602 [ 1925.290560] [] ? mount_bdev+0x3cf/0x602 [ 1925.332078] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1925.387933] [] ext4_mount+0x3c/0x3e [ 1925.432367] [] mount_fs+0xd0/0x2ca [ 1925.475955] [] vfs_kern_mount+0xa0/0x20a [ 1925.521377] [] do_mount+0x11fe/0x19df [ 1925.560420] [] ? kasan_kmalloc+0x94/0xa3 [ 1925.604719] [] ? copy_mount_string+0x3d/0x3d [ 1925.644638] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1925.698787] [] ? __check_object_size+0x1e1/0x2b8 [ 1925.736407] [] ? 0xffffffffb1c002b8 [ 1925.772129] [] ? copy_mount_options+0x23d/0x24d [ 1925.809943] [] SyS_mount+0xa3/0xda [ 1925.844352] [] mount_block_root+0x2fc/0x650 [ 1925.880691] [] ? init_rootfs+0x99/0x99 [ 1925.907792] [] ? security_file_ioctl+0xa5/0xb4 [ 1925.946418] [] ? SyS_mknod+0x2f/0x36 [ 1925.976256] [] mount_root+0x45/0x48 [ 1926.008138] [] prepare_namespace+0x1cf/0x235 [ 1926.047789] [] kernel_init_freeable+0x4fa/0x518 [ 1926.092786] [] kernel_init+0x16/0x181 [ 1926.132164] [] ret_from_fork+0x1f/0x40 [ 1926.178727] [] ? rest_init+0x8f/0x8f [ 1926.218669] ================================================================================ [ 1926.281234] ================================================================================ [ 1926.334066] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1926.375259] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1926.433212] which requires 64 byte alignment [ 1926.459753] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1926.494227] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1926.559587] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1926.613184] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1926.675777] 0000000000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1926.736828] Call Trace: [ 1926.754012] [] dump_stack+0xd7/0x132 [ 1926.783444] [] ? arch_local_irq_restore+0x1b/0x1b [ 1926.827812] [] ubsan_epilogue+0x12/0x53 [ 1926.862723] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1926.902338] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1926.950595] [] __ext4_get_inode_loc+0x46b/0xd50 [ 1926.992485] [] ? queued_spin_unlock+0xe/0x1b [ 1927.027475] [] ext4_iget+0x1ab/0x2717 [ 1927.062759] [] ? vprintk_default+0x65/0x6e [ 1927.096668] [] ? ext4_get_projid+0x137/0x137 [ 1927.146495] [] ? ubsan_epilogue+0x26/0x53 [ 1927.185432] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1927.237192] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1927.284934] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1927.324625] [] ext4_fill_super+0x6154/0xa2df [ 1927.362810] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1927.407365] [] ? vsnprintf+0x1a0/0xa32 [ 1927.443297] [] ? pointer+0x7a9/0x7a9 [ 1927.482006] [] ? set_bdev_super+0x15d/0x15d [ 1927.517714] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1927.565732] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1927.616597] [] ? scnprintf+0xf3/0xf3 [ 1927.657036] [] mount_bdev+0x3cf/0x602 [ 1927.697309] [] ? mount_bdev+0x3cf/0x602 [ 1927.747189] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1927.788833] [] ext4_mount+0x3c/0x3e [ 1927.823905] [] mount_fs+0xd0/0x2ca [ 1927.855414] [] vfs_kern_mount+0xa0/0x20a [ 1927.890741] [] do_mount+0x11fe/0x19df [ 1927.920173] [] ? kasan_kmalloc+0x94/0xa3 [ 1927.948083] [] ? copy_mount_string+0x3d/0x3d [ 1927.982594] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1928.026102] [] ? __check_object_size+0x1e1/0x2b8 [ 1928.066753] [] ? 0xffffffffb1c002b8 [ 1928.104332] [] ? copy_mount_options+0x23d/0x24d [ 1928.157472] [] SyS_mount+0xa3/0xda [ 1928.195926] [] mount_block_root+0x2fc/0x650 [ 1928.239606] [] ? init_rootfs+0x99/0x99 [ 1928.268354] [] ? security_file_ioctl+0xa5/0xb4 [ 1928.303646] [] ? SyS_mknod+0x2f/0x36 [ 1928.337461] [] mount_root+0x45/0x48 [ 1928.367885] [] prepare_namespace+0x1cf/0x235 [ 1928.403878] [] kernel_init_freeable+0x4fa/0x518 [ 1928.445362] [] kernel_init+0x16/0x181 [ 1928.482622] [] ret_from_fork+0x1f/0x40 [ 1928.517670] [] ? rest_init+0x8f/0x8f [ 1928.555288] ================================================================================ [ 1928.610191] ================================================================================ [ 1928.679437] UBSAN: Undefined behaviour in fs/ext4/inode.c:4225:53 [ 1928.724093] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1928.784071] which requires 64 byte alignment [ 1928.813182] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1928.851373] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1928.912374] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1928.961181] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1929.012829] ffff880000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1929.069797] Call Trace: [ 1929.089312] [] dump_stack+0xd7/0x132 [ 1929.128402] [] ? arch_local_irq_restore+0x1b/0x1b [ 1929.176408] [] ubsan_epilogue+0x12/0x53 [ 1929.216551] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1929.260909] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1929.301829] [] __ext4_get_inode_loc+0x498/0xd50 [ 1929.337041] [] ? queued_spin_unlock+0xe/0x1b [ 1929.378291] [] ext4_iget+0x1ab/0x2717 [ 1929.412697] [] ? vprintk_default+0x65/0x6e [ 1929.445761] [] ? ext4_get_projid+0x137/0x137 [ 1929.492789] [] ? ubsan_epilogue+0x26/0x53 [ 1929.537464] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1929.586856] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1929.647295] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1929.710038] [] ext4_fill_super+0x6154/0xa2df [ 1929.756357] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1929.798960] [] ? vsnprintf+0x1a0/0xa32 [ 1929.842069] [] ? pointer+0x7a9/0x7a9 [ 1929.877634] [] ? set_bdev_super+0x15d/0x15d [ 1929.912360] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1929.963699] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1930.005019] [] ? scnprintf+0xf3/0xf3 [ 1930.037573] [] mount_bdev+0x3cf/0x602 [ 1930.069282] [] ? mount_bdev+0x3cf/0x602 [ 1930.121229] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1930.180580] [] ext4_mount+0x3c/0x3e [ 1930.219979] [] mount_fs+0xd0/0x2ca [ 1930.260591] [] vfs_kern_mount+0xa0/0x20a [ 1930.304226] [] do_mount+0x11fe/0x19df [ 1930.339653] [] ? kasan_kmalloc+0x94/0xa3 [ 1930.376589] [] ? copy_mount_string+0x3d/0x3d [ 1930.410473] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1930.458706] [] ? __check_object_size+0x1e1/0x2b8 [ 1930.501220] [] ? 0xffffffffb1c002b8 [ 1930.537292] [] ? copy_mount_options+0x23d/0x24d [ 1930.584587] [] SyS_mount+0xa3/0xda [ 1930.631865] [] mount_block_root+0x2fc/0x650 [ 1930.683459] [] ? init_rootfs+0x99/0x99 [ 1930.732734] [] ? security_file_ioctl+0xa5/0xb4 [ 1930.786701] [] ? SyS_mknod+0x2f/0x36 [ 1930.831356] [] mount_root+0x45/0x48 [ 1930.878548] [] prepare_namespace+0x1cf/0x235 [ 1930.933413] [] kernel_init_freeable+0x4fa/0x518 [ 1930.983378] [] kernel_init+0x16/0x181 [ 1931.025149] [] ret_from_fork+0x1f/0x40 [ 1931.066709] [] ? rest_init+0x8f/0x8f [ 1931.110663] ================================================================================ [ 1931.182186] ================================================================================ [ 1931.238341] UBSAN: Undefined behaviour in ./include/linux/buffer_head.h:319:43 [ 1931.287122] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1931.344427] which requires 64 byte alignment [ 1931.375649] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1931.412516] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1931.477972] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1931.522784] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1931.573409] ffff880000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1931.622863] Call Trace: [ 1931.639349] [] dump_stack+0xd7/0x132 [ 1931.684019] [] ? arch_local_irq_restore+0x1b/0x1b [ 1931.727271] [] ubsan_epilogue+0x12/0x53 [ 1931.767289] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1931.827386] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1931.890032] [] __ext4_get_inode_loc+0x50a/0xd50 [ 1931.950217] [] ? queued_spin_unlock+0xe/0x1b [ 1931.993310] [] ext4_iget+0x1ab/0x2717 [ 1932.038304] [] ? vprintk_default+0x65/0x6e [ 1932.077496] [] ? ext4_get_projid+0x137/0x137 [ 1932.115963] [] ? ubsan_epilogue+0x26/0x53 [ 1932.154580] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1932.206184] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1932.246921] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1932.294032] [] ext4_fill_super+0x6154/0xa2df [ 1932.329165] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1932.376669] [] ? vsnprintf+0x1a0/0xa32 [ 1932.413151] [] ? pointer+0x7a9/0x7a9 [ 1932.444411] [] ? set_bdev_super+0x15d/0x15d [ 1932.486909] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1932.529182] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1932.582346] [] ? scnprintf+0xf3/0xf3 [ 1932.616398] [] mount_bdev+0x3cf/0x602 [ 1932.655892] [] ? mount_bdev+0x3cf/0x602 [ 1932.688661] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1932.730672] [] ext4_mount+0x3c/0x3e [ 1932.762203] [] mount_fs+0xd0/0x2ca [ 1932.789294] [] vfs_kern_mount+0xa0/0x20a [ 1932.825891] [] do_mount+0x11fe/0x19df [ 1932.865535] [] ? kasan_kmalloc+0x94/0xa3 [ 1932.910173] [] ? copy_mount_string+0x3d/0x3d [ 1932.950289] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1932.985222] [] ? __check_object_size+0x1e1/0x2b8 [ 1933.029681] [] ? 0xffffffffb1c002b8 [ 1933.066315] [] ? copy_mount_options+0x23d/0x24d [ 1933.098896] [] SyS_mount+0xa3/0xda [ 1933.132649] [] mount_block_root+0x2fc/0x650 [ 1933.179498] [] ? init_rootfs+0x99/0x99 [ 1933.212078] [] ? security_file_ioctl+0xa5/0xb4 [ 1933.248702] [] ? SyS_mknod+0x2f/0x36 [ 1933.280879] [] mount_root+0x45/0x48 [ 1933.313844] [] prepare_namespace+0x1cf/0x235 [ 1933.354037] [] kernel_init_freeable+0x4fa/0x518 [ 1933.394917] [] kernel_init+0x16/0x181 [ 1933.425668] [] ret_from_fork+0x1f/0x40 [ 1933.462591] [] ? rest_init+0x8f/0x8f [ 1933.498393] ================================================================================ [ 1933.561671] ================================================================================ [ 1933.618019] UBSAN: Undefined behaviour in ./include/linux/buffer_head.h:319:9 [ 1933.670412] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1933.741018] which requires 64 byte alignment [ 1933.771020] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1933.815539] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1933.885703] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1933.950508] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1934.005932] ffff880000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1934.064446] Call Trace: [ 1934.082998] [] dump_stack+0xd7/0x132 [ 1934.123728] [] ? arch_local_irq_restore+0x1b/0x1b [ 1934.171094] [] ubsan_epilogue+0x12/0x53 [ 1934.213747] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1934.266916] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1934.318792] [] __ext4_get_inode_loc+0x537/0xd50 [ 1934.360406] [] ? queued_spin_unlock+0xe/0x1b [ 1934.407223] [] ext4_iget+0x1ab/0x2717 [ 1934.451149] [] ? vprintk_default+0x65/0x6e [ 1934.491683] [] ? ext4_get_projid+0x137/0x137 [ 1934.538906] [] ? ubsan_epilogue+0x26/0x53 [ 1934.581857] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1934.626601] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1934.672715] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1934.718080] [] ext4_fill_super+0x6154/0xa2df [ 1934.754154] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1934.798684] [] ? vsnprintf+0x1a0/0xa32 [ 1934.827798] [] ? pointer+0x7a9/0x7a9 [ 1934.859731] [] ? set_bdev_super+0x15d/0x15d [ 1934.899962] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1934.951809] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1934.996837] [] ? scnprintf+0xf3/0xf3 [ 1935.027260] [] mount_bdev+0x3cf/0x602 [ 1935.063917] [] ? mount_bdev+0x3cf/0x602 [ 1935.097801] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1935.135019] [] ext4_mount+0x3c/0x3e [ 1935.166376] [] mount_fs+0xd0/0x2ca [ 1935.195679] [] vfs_kern_mount+0xa0/0x20a [ 1935.227345] [] do_mount+0x11fe/0x19df [ 1935.259794] [] ? kasan_kmalloc+0x94/0xa3 [ 1935.293213] [] ? copy_mount_string+0x3d/0x3d [ 1935.320589] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1935.358715] [] ? __check_object_size+0x1e1/0x2b8 [ 1935.395158] [] ? 0xffffffffb1c002b8 [ 1935.429570] [] ? copy_mount_options+0x23d/0x24d [ 1935.467413] [] SyS_mount+0xa3/0xda [ 1935.501111] [] mount_block_root+0x2fc/0x650 [ 1935.539448] [] ? init_rootfs+0x99/0x99 [ 1935.571330] [] ? security_file_ioctl+0xa5/0xb4 [ 1935.603695] [] ? SyS_mknod+0x2f/0x36 [ 1935.634346] [] mount_root+0x45/0x48 [ 1935.669041] [] prepare_namespace+0x1cf/0x235 [ 1935.701311] [] kernel_init_freeable+0x4fa/0x518 [ 1935.743975] [] kernel_init+0x16/0x181 [ 1935.785852] [] ret_from_fork+0x1f/0x40 [ 1935.829485] [] ? rest_init+0x8f/0x8f [ 1935.869427] ================================================================================ [ 1935.938612] ================================================================================ [ 1936.009170] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1936.059743] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1936.126994] which requires 64 byte alignment [ 1936.157195] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1936.191189] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1936.253348] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1936.297155] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1936.342865] 0000000000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1936.403979] Call Trace: [ 1936.420426] [] dump_stack+0xd7/0x132 [ 1936.461188] [] ? arch_local_irq_restore+0x1b/0x1b [ 1936.509801] [] ubsan_epilogue+0x12/0x53 [ 1936.556274] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1936.618634] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1936.724472] [] __ext4_get_inode_loc+0x8ae/0xd50 [ 1936.820407] [] ext4_iget+0x1ab/0x2717 [ 1936.915638] [] ? vprintk_default+0x65/0x6e [ 1937.002907] [] ? ext4_get_projid+0x137/0x137 [ 1937.090905] [] ? ubsan_epilogue+0x26/0x53 [ 1937.188773] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1937.291875] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1937.418172] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1937.478072] [] ext4_fill_super+0x6154/0xa2df [ 1937.551342] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1937.614885] [] ? vsnprintf+0x1a0/0xa32 [ 1937.667342] [] ? pointer+0x7a9/0x7a9 [ 1937.703807] [] ? set_bdev_super+0x15d/0x15d [ 1937.745525] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1937.790778] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1937.840768] [] ? scnprintf+0xf3/0xf3 [ 1937.880003] [] mount_bdev+0x3cf/0x602 [ 1937.915770] [] ? mount_bdev+0x3cf/0x602 [ 1937.954879] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1938.013045] [] ext4_mount+0x3c/0x3e [ 1938.054159] [] mount_fs+0xd0/0x2ca [ 1938.087260] [] vfs_kern_mount+0xa0/0x20a [ 1938.124859] [] do_mount+0x11fe/0x19df [ 1938.161040] [] ? kasan_kmalloc+0x94/0xa3 [ 1938.200701] [] ? copy_mount_string+0x3d/0x3d [ 1938.250580] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1938.300242] [] ? __check_object_size+0x1e1/0x2b8 [ 1938.348083] [] ? 0xffffffffb1c002b8 [ 1938.389239] [] ? copy_mount_options+0x23d/0x24d [ 1938.437660] [] SyS_mount+0xa3/0xda [ 1938.477889] [] mount_block_root+0x2fc/0x650 [ 1938.504667] [] ? init_rootfs+0x99/0x99 [ 1938.549334] [] ? security_file_ioctl+0xa5/0xb4 [ 1938.589018] [] ? SyS_mknod+0x2f/0x36 [ 1938.624003] [] mount_root+0x45/0x48 [ 1938.665695] [] prepare_namespace+0x1cf/0x235 [ 1938.705380] [] kernel_init_freeable+0x4fa/0x518 [ 1938.748349] [] kernel_init+0x16/0x181 [ 1938.783887] [] ret_from_fork+0x1f/0x40 [ 1938.821591] [] ? rest_init+0x8f/0x8f [ 1938.857642] ================================================================================ [ 1938.919647] ================================================================================ [ 1938.988081] UBSAN: Undefined behaviour in fs/ext4/inode.c:4294:18 [ 1939.027149] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1939.099595] which requires 64 byte alignment [ 1939.120552] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1939.164416] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1939.231530] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1939.286238] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1939.336268] ffff880000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1939.393415] Call Trace: [ 1939.409104] [] dump_stack+0xd7/0x132 [ 1939.452258] [] ? arch_local_irq_restore+0x1b/0x1b [ 1939.496016] [] ubsan_epilogue+0x12/0x53 [ 1939.536707] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1939.587924] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1939.647956] [] __ext4_get_inode_loc+0x8d8/0xd50 [ 1939.689585] [] ext4_iget+0x1ab/0x2717 [ 1939.728881] [] ? vprintk_default+0x65/0x6e [ 1939.774217] [] ? ext4_get_projid+0x137/0x137 [ 1939.820676] [] ? ubsan_epilogue+0x26/0x53 [ 1939.874514] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1939.924627] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1939.995554] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1940.057644] [] ext4_fill_super+0x6154/0xa2df [ 1940.105946] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1940.154957] [] ? vsnprintf+0x1a0/0xa32 [ 1940.190362] [] ? pointer+0x7a9/0x7a9 [ 1940.222137] [] ? set_bdev_super+0x15d/0x15d [ 1940.261038] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1940.304656] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1940.355430] [] ? scnprintf+0xf3/0xf3 [ 1940.390832] [] mount_bdev+0x3cf/0x602 [ 1940.437298] [] ? mount_bdev+0x3cf/0x602 [ 1940.483525] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1940.538337] [] ext4_mount+0x3c/0x3e [ 1940.589865] [] mount_fs+0xd0/0x2ca [ 1940.629466] [] vfs_kern_mount+0xa0/0x20a [ 1940.663154] [] do_mount+0x11fe/0x19df [ 1940.699226] [] ? kasan_kmalloc+0x94/0xa3 [ 1940.735140] [] ? copy_mount_string+0x3d/0x3d [ 1940.775058] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1940.813376] [] ? __check_object_size+0x1e1/0x2b8 [ 1940.858455] [] ? 0xffffffffb1c002b8 [ 1940.903555] [] ? copy_mount_options+0x23d/0x24d [ 1941.003204] [] SyS_mount+0xa3/0xda [ 1941.057276] [] mount_block_root+0x2fc/0x650 [ 1941.113764] [] ? init_rootfs+0x99/0x99 [ 1941.159759] [] ? security_file_ioctl+0xa5/0xb4 [ 1941.209219] [] ? SyS_mknod+0x2f/0x36 [ 1941.288407] [] mount_root+0x45/0x48 [ 1941.345557] [] prepare_namespace+0x1cf/0x235 [ 1941.388856] [] kernel_init_freeable+0x4fa/0x518 [ 1941.427329] [] kernel_init+0x16/0x181 [ 1941.468282] [] ret_from_fork+0x1f/0x40 [ 1941.557394] [] ? rest_init+0x8f/0x8f [ 1941.640893] ================================================================================ [ 1941.773346] ================================================================================ [ 1941.894001] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1941.997819] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1942.058402] which requires 64 byte alignment [ 1942.093807] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1942.141893] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1942.202715] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1942.265944] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1942.332298] ffff880000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1942.387944] Call Trace: [ 1942.404479] [] dump_stack+0xd7/0x132 [ 1942.458084] [] ? arch_local_irq_restore+0x1b/0x1b [ 1942.608567] [] ubsan_epilogue+0x12/0x53 [ 1942.708541] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1942.816493] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1942.978455] [] __ext4_get_inode_loc+0x922/0xd50 [ 1943.142825] [] ext4_iget+0x1ab/0x2717 [ 1943.224230] [] ? vprintk_default+0x65/0x6e [ 1943.278598] [] ? ext4_get_projid+0x137/0x137 [ 1943.318664] [] ? ubsan_epilogue+0x26/0x53 [ 1943.364607] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1943.422663] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1943.466857] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1943.524987] [] ext4_fill_super+0x6154/0xa2df [ 1943.576471] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1943.637843] [] ? vsnprintf+0x1a0/0xa32 [ 1943.675318] [] ? pointer+0x7a9/0x7a9 [ 1943.717077] [] ? set_bdev_super+0x15d/0x15d [ 1943.755197] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1943.816172] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1943.856849] [] ? scnprintf+0xf3/0xf3 [ 1943.887466] [] mount_bdev+0x3cf/0x602 [ 1943.931223] [] ? mount_bdev+0x3cf/0x602 [ 1943.963187] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1944.006648] [] ext4_mount+0x3c/0x3e [ 1944.039262] [] mount_fs+0xd0/0x2ca [ 1944.075240] [] vfs_kern_mount+0xa0/0x20a [ 1944.123965] [] do_mount+0x11fe/0x19df [ 1944.174308] [] ? kasan_kmalloc+0x94/0xa3 [ 1944.208770] [] ? copy_mount_string+0x3d/0x3d [ 1944.253490] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1944.303342] [] ? __check_object_size+0x1e1/0x2b8 [ 1944.358914] [] ? 0xffffffffb1c002b8 [ 1944.389860] [] ? copy_mount_options+0x23d/0x24d [ 1944.424657] [] SyS_mount+0xa3/0xda [ 1944.462279] [] mount_block_root+0x2fc/0x650 [ 1944.499715] [] ? init_rootfs+0x99/0x99 [ 1944.534309] [] ? security_file_ioctl+0xa5/0xb4 [ 1944.574227] [] ? SyS_mknod+0x2f/0x36 [ 1944.622082] [] mount_root+0x45/0x48 [ 1944.666003] [] prepare_namespace+0x1cf/0x235 [ 1944.710934] [] kernel_init_freeable+0x4fa/0x518 [ 1944.769023] [] kernel_init+0x16/0x181 [ 1944.807018] [] ret_from_fork+0x1f/0x40 [ 1944.853987] [] ? rest_init+0x8f/0x8f [ 1944.898724] ================================================================================ [ 1944.974298] ================================================================================ [ 1945.056505] UBSAN: Undefined behaviour in fs/ext4/inode.c:4297:10 [ 1945.101544] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1945.175362] which requires 64 byte alignment [ 1945.224564] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1945.286951] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1945.393187] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1945.462598] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1945.525651] ffff880000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1945.600887] Call Trace: [ 1945.623599] [] dump_stack+0xd7/0x132 [ 1945.678591] [] ? arch_local_irq_restore+0x1b/0x1b [ 1945.745197] [] ubsan_epilogue+0x12/0x53 [ 1945.800902] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1945.872105] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1945.943930] [] __ext4_get_inode_loc+0x93c/0xd50 [ 1945.997176] [] ext4_iget+0x1ab/0x2717 [ 1946.034482] [] ? vprintk_default+0x65/0x6e [ 1946.083841] [] ? ext4_get_projid+0x137/0x137 [ 1946.134412] [] ? ubsan_epilogue+0x26/0x53 [ 1946.181631] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1946.246764] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1946.306154] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1946.369468] [] ext4_fill_super+0x6154/0xa2df [ 1946.420926] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1946.467913] [] ? vsnprintf+0x1a0/0xa32 [ 1946.513963] [] ? pointer+0x7a9/0x7a9 [ 1946.560247] [] ? set_bdev_super+0x15d/0x15d [ 1946.602756] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1946.653824] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1946.707021] [] ? scnprintf+0xf3/0xf3 [ 1946.745987] [] mount_bdev+0x3cf/0x602 [ 1946.780421] [] ? mount_bdev+0x3cf/0x602 [ 1946.825542] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1946.879306] [] ext4_mount+0x3c/0x3e [ 1946.921057] [] mount_fs+0xd0/0x2ca [ 1946.955099] [] vfs_kern_mount+0xa0/0x20a [ 1947.000832] [] do_mount+0x11fe/0x19df [ 1947.039099] [] ? kasan_kmalloc+0x94/0xa3 [ 1947.083340] [] ? copy_mount_string+0x3d/0x3d [ 1947.124866] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1947.177610] [] ? __check_object_size+0x1e1/0x2b8 [ 1947.222484] [] ? 0xffffffffb1c002b8 [ 1947.256726] [] ? copy_mount_options+0x23d/0x24d [ 1947.302417] [] SyS_mount+0xa3/0xda [ 1947.340034] [] mount_block_root+0x2fc/0x650 [ 1947.379244] [] ? init_rootfs+0x99/0x99 [ 1947.422440] [] ? security_file_ioctl+0xa5/0xb4 [ 1947.471663] [] ? SyS_mknod+0x2f/0x36 [ 1947.517534] [] mount_root+0x45/0x48 [ 1947.554652] [] prepare_namespace+0x1cf/0x235 [ 1947.597856] [] kernel_init_freeable+0x4fa/0x518 [ 1947.643369] [] kernel_init+0x16/0x181 [ 1947.680643] [] ret_from_fork+0x1f/0x40 [ 1947.720511] [] ? rest_init+0x8f/0x8f [ 1947.755162] ================================================================================ [ 1947.821489] ================================================================================ [ 1947.886568] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1947.930677] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1948.000007] which requires 64 byte alignment [ 1948.029614] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1948.075983] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1948.155356] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1948.217769] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1948.274901] 0000000000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1948.331319] Call Trace: [ 1948.346897] [] dump_stack+0xd7/0x132 [ 1948.388299] [] ? arch_local_irq_restore+0x1b/0x1b [ 1948.433562] [] ubsan_epilogue+0x12/0x53 [ 1948.477720] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1948.528111] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1948.598689] [] __ext4_get_inode_loc+0x983/0xd50 [ 1948.647451] [] ext4_iget+0x1ab/0x2717 [ 1948.676176] [] ? vprintk_default+0x65/0x6e [ 1948.718444] [] ? ext4_get_projid+0x137/0x137 [ 1948.747114] [] ? ubsan_epilogue+0x26/0x53 [ 1948.781635] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1948.820276] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1948.861012] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1948.907478] [] ext4_fill_super+0x6154/0xa2df [ 1948.945563] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1948.982616] [] ? vsnprintf+0x1a0/0xa32 [ 1949.012804] [] ? pointer+0x7a9/0x7a9 [ 1949.042874] [] ? set_bdev_super+0x15d/0x15d [ 1949.078054] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1949.130228] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1949.181722] [] ? scnprintf+0xf3/0xf3 [ 1949.221265] [] mount_bdev+0x3cf/0x602 [ 1949.253039] [] ? mount_bdev+0x3cf/0x602 [ 1949.278538] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1949.329239] [] ext4_mount+0x3c/0x3e [ 1949.357757] [] mount_fs+0xd0/0x2ca [ 1949.385847] [] vfs_kern_mount+0xa0/0x20a [ 1949.425919] [] do_mount+0x11fe/0x19df [ 1949.457152] [] ? kasan_kmalloc+0x94/0xa3 [ 1949.490866] [] ? copy_mount_string+0x3d/0x3d [ 1949.534401] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1949.580038] [] ? __check_object_size+0x1e1/0x2b8 [ 1949.626285] [] ? 0xffffffffb1c002b8 [ 1949.659699] [] ? copy_mount_options+0x23d/0x24d [ 1949.718684] [] SyS_mount+0xa3/0xda [ 1949.745552] [] mount_block_root+0x2fc/0x650 [ 1949.776468] [] ? init_rootfs+0x99/0x99 [ 1949.805339] [] ? security_file_ioctl+0xa5/0xb4 [ 1949.841207] [] ? SyS_mknod+0x2f/0x36 [ 1949.875592] [] mount_root+0x45/0x48 [ 1949.912020] [] prepare_namespace+0x1cf/0x235 [ 1949.944399] [] kernel_init_freeable+0x4fa/0x518 [ 1949.983120] [] kernel_init+0x16/0x181 [ 1950.016298] [] ret_from_fork+0x1f/0x40 [ 1950.048099] [] ? rest_init+0x8f/0x8f [ 1950.076799] ================================================================================ [ 1950.123972] ================================================================================ [ 1950.172481] UBSAN: Undefined behaviour in fs/ext4/inode.c:4305:10 [ 1950.211035] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1950.258980] which requires 64 byte alignment [ 1950.288488] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1950.322780] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1950.378469] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1950.425004] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1950.474946] ffff880000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1950.527581] Call Trace: [ 1950.553781] [] dump_stack+0xd7/0x132 [ 1950.592750] [] ? arch_local_irq_restore+0x1b/0x1b [ 1950.623686] [] ubsan_epilogue+0x12/0x53 [ 1950.653817] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1950.693924] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1950.730738] [] __ext4_get_inode_loc+0x9ad/0xd50 [ 1950.766138] [] ext4_iget+0x1ab/0x2717 [ 1950.792735] [] ? vprintk_default+0x65/0x6e [ 1950.834545] [] ? ext4_get_projid+0x137/0x137 [ 1950.865979] [] ? ubsan_epilogue+0x26/0x53 [ 1950.892663] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1950.942645] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1950.982922] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1951.039753] [] ext4_fill_super+0x6154/0xa2df [ 1951.080162] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1951.126012] [] ? vsnprintf+0x1a0/0xa32 [ 1951.157412] [] ? pointer+0x7a9/0x7a9 [ 1951.183074] [] ? set_bdev_super+0x15d/0x15d [ 1951.218267] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1951.252343] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1951.294307] [] ? scnprintf+0xf3/0xf3 [ 1951.327192] [] mount_bdev+0x3cf/0x602 [ 1951.363337] [] ? mount_bdev+0x3cf/0x602 [ 1951.401378] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1951.435430] [] ext4_mount+0x3c/0x3e [ 1951.473344] [] mount_fs+0xd0/0x2ca [ 1951.512766] [] vfs_kern_mount+0xa0/0x20a [ 1951.555334] [] do_mount+0x11fe/0x19df [ 1951.595898] [] ? kasan_kmalloc+0x94/0xa3 [ 1951.632995] [] ? copy_mount_string+0x3d/0x3d [ 1951.679958] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1951.723521] [] ? __check_object_size+0x1e1/0x2b8 [ 1951.787107] [] ? 0xffffffffb1c002b8 [ 1951.831125] [] ? copy_mount_options+0x23d/0x24d [ 1951.874655] [] SyS_mount+0xa3/0xda [ 1951.914609] [] mount_block_root+0x2fc/0x650 [ 1951.954304] [] ? init_rootfs+0x99/0x99 [ 1951.993179] [] ? security_file_ioctl+0xa5/0xb4 [ 1952.042377] [] ? SyS_mknod+0x2f/0x36 [ 1952.081119] [] mount_root+0x45/0x48 [ 1952.126058] [] prepare_namespace+0x1cf/0x235 [ 1952.172360] [] kernel_init_freeable+0x4fa/0x518 [ 1952.220558] [] kernel_init+0x16/0x181 [ 1952.253261] [] ret_from_fork+0x1f/0x40 [ 1952.292856] [] ? rest_init+0x8f/0x8f [ 1952.331137] ================================================================================ [ 1952.396547] ================================================================================ [ 1952.459410] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1952.504159] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1952.573749] which requires 64 byte alignment [ 1952.603985] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1952.649169] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1952.717374] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1952.780876] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1952.839258] ffff880000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1952.903190] Call Trace: [ 1952.925641] [] dump_stack+0xd7/0x132 [ 1952.970027] [] ? arch_local_irq_restore+0x1b/0x1b [ 1953.009221] [] ubsan_epilogue+0x12/0x53 [ 1953.042864] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1953.082101] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1953.127010] [] __ext4_get_inode_loc+0x9df/0xd50 [ 1953.159184] [] ext4_iget+0x1ab/0x2717 [ 1953.193835] [] ? vprintk_default+0x65/0x6e [ 1953.230776] [] ? ext4_get_projid+0x137/0x137 [ 1953.262435] [] ? ubsan_epilogue+0x26/0x53 [ 1953.294792] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1953.343727] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1953.397554] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1953.455791] [] ext4_fill_super+0x6154/0xa2df [ 1953.496993] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1953.537958] [] ? vsnprintf+0x1a0/0xa32 [ 1953.579024] [] ? pointer+0x7a9/0x7a9 [ 1953.614390] [] ? set_bdev_super+0x15d/0x15d [ 1953.661553] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1953.720103] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1953.782205] [] ? scnprintf+0xf3/0xf3 [ 1953.981244] [] mount_bdev+0x3cf/0x602 [ 1954.025086] [] ? mount_bdev+0x3cf/0x602 [ 1954.071866] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1954.120988] [] ext4_mount+0x3c/0x3e [ 1954.160082] [] mount_fs+0xd0/0x2ca [ 1954.194966] [] vfs_kern_mount+0xa0/0x20a [ 1954.239700] [] do_mount+0x11fe/0x19df [ 1954.276205] [] ? kasan_kmalloc+0x94/0xa3 [ 1954.316022] [] ? copy_mount_string+0x3d/0x3d [ 1954.361312] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1954.399299] [] ? __check_object_size+0x1e1/0x2b8 [ 1954.450546] [] ? 0xffffffffb1c002b8 [ 1954.490024] [] ? copy_mount_options+0x23d/0x24d [ 1954.532288] [] SyS_mount+0xa3/0xda [ 1954.572271] [] mount_block_root+0x2fc/0x650 [ 1954.614894] [] ? init_rootfs+0x99/0x99 [ 1954.651660] [] ? security_file_ioctl+0xa5/0xb4 [ 1954.696910] [] ? SyS_mknod+0x2f/0x36 [ 1954.734878] [] mount_root+0x45/0x48 [ 1954.778167] [] prepare_namespace+0x1cf/0x235 [ 1954.822790] [] kernel_init_freeable+0x4fa/0x518 [ 1954.874005] [] kernel_init+0x16/0x181 [ 1954.916155] [] ret_from_fork+0x1f/0x40 [ 1954.952023] [] ? rest_init+0x8f/0x8f [ 1954.993126] ================================================================================ [ 1955.060094] ================================================================================ [ 1955.123469] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1766:1 [ 1955.170489] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1955.236951] which requires 64 byte alignment [ 1955.275003] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1955.323584] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1955.398563] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1955.456546] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1955.509473] ffff880000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1955.564812] Call Trace: [ 1955.582491] [] dump_stack+0xd7/0x132 [ 1955.610438] [] ? arch_local_irq_restore+0x1b/0x1b [ 1955.650479] [] ubsan_epilogue+0x12/0x53 [ 1955.679247] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1955.720807] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1955.768531] [] __ext4_get_inode_loc+0x9f9/0xd50 [ 1955.809479] [] ext4_iget+0x1ab/0x2717 [ 1955.844574] [] ? vprintk_default+0x65/0x6e [ 1955.877809] [] ? ext4_get_projid+0x137/0x137 [ 1955.922176] [] ? ubsan_epilogue+0x26/0x53 [ 1955.954922] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1956.000088] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1956.054735] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1956.105598] [] ext4_fill_super+0x6154/0xa2df [ 1956.148152] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1956.200146] [] ? vsnprintf+0x1a0/0xa32 [ 1956.247262] [] ? pointer+0x7a9/0x7a9 [ 1956.293760] [] ? set_bdev_super+0x15d/0x15d [ 1956.342627] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1956.395429] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1956.450577] [] ? scnprintf+0xf3/0xf3 [ 1956.494634] [] mount_bdev+0x3cf/0x602 [ 1956.541746] [] ? mount_bdev+0x3cf/0x602 [ 1956.583295] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1956.625356] [] ext4_mount+0x3c/0x3e [ 1956.660838] [] mount_fs+0xd0/0x2ca [ 1956.693505] [] vfs_kern_mount+0xa0/0x20a [ 1956.726954] [] do_mount+0x11fe/0x19df [ 1956.757151] [] ? kasan_kmalloc+0x94/0xa3 [ 1956.779491] [] ? copy_mount_string+0x3d/0x3d [ 1956.817072] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1956.858773] [] ? __check_object_size+0x1e1/0x2b8 [ 1956.899464] [] ? 0xffffffffb1c002b8 [ 1956.926881] [] ? copy_mount_options+0x23d/0x24d [ 1956.972962] [] SyS_mount+0xa3/0xda [ 1957.006199] [] mount_block_root+0x2fc/0x650 [ 1957.047905] [] ? init_rootfs+0x99/0x99 [ 1957.083978] [] ? security_file_ioctl+0xa5/0xb4 [ 1957.126013] [] ? SyS_mknod+0x2f/0x36 [ 1957.157204] [] mount_root+0x45/0x48 [ 1957.186452] [] prepare_namespace+0x1cf/0x235 [ 1957.225343] [] kernel_init_freeable+0x4fa/0x518 [ 1957.256964] [] kernel_init+0x16/0x181 [ 1957.285917] [] ret_from_fork+0x1f/0x40 [ 1957.323060] [] ? rest_init+0x8f/0x8f [ 1957.351346] ================================================================================ [ 1957.396501] ================================================================================ [ 1957.459882] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1957.498552] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1957.564810] which requires 64 byte alignment [ 1957.600167] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1957.638696] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1957.706926] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1957.847634] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1957.907260] ffff880000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1957.981017] Call Trace: [ 1957.997130] [] dump_stack+0xd7/0x132 [ 1958.035667] [] ? arch_local_irq_restore+0x1b/0x1b [ 1958.091110] [] ubsan_epilogue+0x12/0x53 [ 1958.134382] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1958.184005] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1958.233987] [] __ext4_get_inode_loc+0xa54/0xd50 [ 1958.275045] [] ext4_iget+0x1ab/0x2717 [ 1958.315068] [] ? vprintk_default+0x65/0x6e [ 1958.364294] [] ? ext4_get_projid+0x137/0x137 [ 1958.408479] [] ? ubsan_epilogue+0x26/0x53 [ 1958.451399] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1958.501504] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1958.555810] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1958.613479] [] ext4_fill_super+0x6154/0xa2df [ 1958.654372] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1958.701613] [] ? vsnprintf+0x1a0/0xa32 [ 1958.731995] [] ? pointer+0x7a9/0x7a9 [ 1958.759158] [] ? set_bdev_super+0x15d/0x15d [ 1958.794192] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1958.837821] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1958.881907] [] ? scnprintf+0xf3/0xf3 [ 1958.911242] [] mount_bdev+0x3cf/0x602 [ 1958.947193] [] ? mount_bdev+0x3cf/0x602 [ 1958.982199] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1959.032525] [] ext4_mount+0x3c/0x3e [ 1959.065311] [] mount_fs+0xd0/0x2ca [ 1959.100382] [] vfs_kern_mount+0xa0/0x20a [ 1959.130118] [] do_mount+0x11fe/0x19df [ 1959.167726] [] ? kasan_kmalloc+0x94/0xa3 [ 1959.202911] [] ? copy_mount_string+0x3d/0x3d [ 1959.247469] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1959.291159] [] ? __check_object_size+0x1e1/0x2b8 [ 1959.331137] [] ? 0xffffffffb1c002b8 [ 1959.363557] [] ? copy_mount_options+0x23d/0x24d [ 1959.403344] [] SyS_mount+0xa3/0xda [ 1959.433028] [] mount_block_root+0x2fc/0x650 [ 1959.478554] [] ? init_rootfs+0x99/0x99 [ 1959.522578] [] ? security_file_ioctl+0xa5/0xb4 [ 1959.567398] [] ? SyS_mknod+0x2f/0x36 [ 1959.611195] [] mount_root+0x45/0x48 [ 1959.654304] [] prepare_namespace+0x1cf/0x235 [ 1959.700616] [] kernel_init_freeable+0x4fa/0x518 [ 1959.747971] [] kernel_init+0x16/0x181 [ 1959.795985] [] ret_from_fork+0x1f/0x40 [ 1959.851192] [] ? rest_init+0x8f/0x8f [ 1959.892728] ================================================================================ [ 1959.975164] ================================================================================ [ 1960.043698] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2743:20 [ 1960.124331] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1960.180362] which requires 64 byte alignment [ 1960.205756] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1960.237514] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1960.296060] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1960.335644] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1960.385783] ffff880000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1960.439881] Call Trace: [ 1960.450866] [] dump_stack+0xd7/0x132 [ 1960.486363] [] ? arch_local_irq_restore+0x1b/0x1b [ 1960.530089] [] ubsan_epilogue+0x12/0x53 [ 1960.579225] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1960.634312] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1960.690364] [] __ext4_get_inode_loc+0xa6e/0xd50 [ 1960.741622] [] ext4_iget+0x1ab/0x2717 [ 1960.792078] [] ? vprintk_default+0x65/0x6e [ 1960.839234] [] ? ext4_get_projid+0x137/0x137 [ 1960.878413] [] ? ubsan_epilogue+0x26/0x53 [ 1960.928431] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1960.991215] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1961.041657] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1961.094895] [] ext4_fill_super+0x6154/0xa2df [ 1961.136630] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1961.196222] [] ? vsnprintf+0x1a0/0xa32 [ 1961.233430] [] ? pointer+0x7a9/0x7a9 [ 1961.263912] [] ? set_bdev_super+0x15d/0x15d [ 1961.301097] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1961.345182] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1961.386725] [] ? scnprintf+0xf3/0xf3 [ 1961.421023] [] mount_bdev+0x3cf/0x602 [ 1961.454476] [] ? mount_bdev+0x3cf/0x602 [ 1961.491063] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1961.531030] [] ext4_mount+0x3c/0x3e [ 1961.559281] [] mount_fs+0xd0/0x2ca [ 1961.595284] [] vfs_kern_mount+0xa0/0x20a [ 1961.640749] [] do_mount+0x11fe/0x19df [ 1961.676390] [] ? kasan_kmalloc+0x94/0xa3 [ 1961.728298] [] ? copy_mount_string+0x3d/0x3d [ 1961.777660] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1961.822957] [] ? __check_object_size+0x1e1/0x2b8 [ 1961.869674] [] ? 0xffffffffb1c002b8 [ 1961.915550] [] ? copy_mount_options+0x23d/0x24d [ 1961.966780] [] SyS_mount+0xa3/0xda [ 1962.008967] [] mount_block_root+0x2fc/0x650 [ 1962.049896] [] ? init_rootfs+0x99/0x99 [ 1962.090685] [] ? security_file_ioctl+0xa5/0xb4 [ 1962.136293] [] ? SyS_mknod+0x2f/0x36 [ 1962.184866] [] mount_root+0x45/0x48 [ 1962.221927] [] prepare_namespace+0x1cf/0x235 [ 1962.264592] [] kernel_init_freeable+0x4fa/0x518 [ 1962.312199] [] kernel_init+0x16/0x181 [ 1962.346611] [] ret_from_fork+0x1f/0x40 [ 1962.386822] [] ? rest_init+0x8f/0x8f [ 1962.427264] ================================================================================ [ 1962.491594] ================================================================================ [ 1962.556667] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1962.606244] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1962.665201] which requires 64 byte alignment [ 1962.696296] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1962.743984] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1962.816870] 00000000ffffffff 00000000b1a89c60 ffff88005c9df4e0 ffffffffb26ec5cc [ 1962.876896] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1962.938410] fffffbff00000010 ffff88005c9df508 ffff88005c9df4b8 ffffffffb363c3e0 [ 1962.995636] Call Trace: [ 1963.014613] [] dump_stack+0xd7/0x132 [ 1963.057236] [] ? arch_local_irq_restore+0x1b/0x1b [ 1963.104188] [] ubsan_epilogue+0x12/0x53 [ 1963.146218] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1963.207406] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1963.265663] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1963.318519] [] ext4_itable_unused_count+0x5c/0xe1 [ 1963.366361] [] __ext4_get_inode_loc+0xcaf/0xd50 [ 1963.416081] [] ext4_iget+0x1ab/0x2717 [ 1963.452652] [] ? vprintk_default+0x65/0x6e [ 1963.498317] [] ? ext4_get_projid+0x137/0x137 [ 1963.542797] [] ? ubsan_epilogue+0x26/0x53 [ 1963.589452] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1963.636677] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1963.683992] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1963.728003] [] ext4_fill_super+0x6154/0xa2df [ 1963.766980] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1963.805877] [] ? vsnprintf+0x1a0/0xa32 [ 1963.842369] [] ? pointer+0x7a9/0x7a9 [ 1963.878211] [] ? set_bdev_super+0x15d/0x15d [ 1963.912547] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1963.959281] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1964.004015] [] ? scnprintf+0xf3/0xf3 [ 1964.047474] [] mount_bdev+0x3cf/0x602 [ 1964.092421] [] ? mount_bdev+0x3cf/0x602 [ 1964.130816] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1964.170861] [] ext4_mount+0x3c/0x3e [ 1964.205192] [] mount_fs+0xd0/0x2ca [ 1964.242721] [] vfs_kern_mount+0xa0/0x20a [ 1964.281389] [] do_mount+0x11fe/0x19df [ 1964.322534] [] ? kasan_kmalloc+0x94/0xa3 [ 1964.359785] [] ? copy_mount_string+0x3d/0x3d [ 1964.392219] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1964.437413] [] ? __check_object_size+0x1e1/0x2b8 [ 1964.534111] [] ? 0xffffffffb1c002b8 [ 1964.619802] [] ? copy_mount_options+0x23d/0x24d [ 1964.687437] [] SyS_mount+0xa3/0xda [ 1964.769454] [] mount_block_root+0x2fc/0x650 [ 1964.851710] [] ? init_rootfs+0x99/0x99 [ 1964.899936] [] ? security_file_ioctl+0xa5/0xb4 [ 1964.950914] [] ? SyS_mknod+0x2f/0x36 [ 1964.993520] [] mount_root+0x45/0x48 [ 1965.035021] [] prepare_namespace+0x1cf/0x235 [ 1965.076299] [] kernel_init_freeable+0x4fa/0x518 [ 1965.117521] [] kernel_init+0x16/0x181 [ 1965.157019] [] ret_from_fork+0x1f/0x40 [ 1965.201453] [] ? rest_init+0x8f/0x8f [ 1965.234098] ================================================================================ [ 1965.309477] ================================================================================ [ 1965.381662] UBSAN: Undefined behaviour in fs/ext4/super.c:256:4 [ 1965.438194] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1965.519467] which requires 64 byte alignment [ 1965.558159] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1965.613151] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1965.700140] 00000000ffffffff 00000000b1a89c60 ffff88005c9df4e0 ffffffffb26ec5cc [ 1965.755485] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1965.814831] ffff880000000010 ffff88005c9df508 ffff88005c9df4b8 ffffffffb363c3e0 [ 1965.883339] Call Trace: [ 1965.899938] [] dump_stack+0xd7/0x132 [ 1965.946892] [] ? arch_local_irq_restore+0x1b/0x1b [ 1965.987732] [] ubsan_epilogue+0x12/0x53 [ 1966.021814] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1966.064784] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1966.109981] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1966.159958] [] ext4_itable_unused_count+0x8b/0xe1 [ 1966.220451] [] __ext4_get_inode_loc+0xcaf/0xd50 [ 1966.262018] [] ext4_iget+0x1ab/0x2717 [ 1966.300094] [] ? vprintk_default+0x65/0x6e [ 1966.342171] [] ? ext4_get_projid+0x137/0x137 [ 1966.386695] [] ? ubsan_epilogue+0x26/0x53 [ 1966.440488] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1966.498155] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1966.555783] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1966.621139] [] ext4_fill_super+0x6154/0xa2df [ 1966.668557] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1966.712783] [] ? vsnprintf+0x1a0/0xa32 [ 1966.750049] [] ? pointer+0x7a9/0x7a9 [ 1966.789170] [] ? set_bdev_super+0x15d/0x15d [ 1966.823776] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1966.884579] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1966.947368] [] ? scnprintf+0xf3/0xf3 [ 1966.982131] [] mount_bdev+0x3cf/0x602 [ 1967.018399] [] ? mount_bdev+0x3cf/0x602 [ 1967.055834] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1967.099223] [] ext4_mount+0x3c/0x3e [ 1967.134895] [] mount_fs+0xd0/0x2ca [ 1967.178443] [] vfs_kern_mount+0xa0/0x20a [ 1967.226167] [] do_mount+0x11fe/0x19df [ 1967.266203] [] ? kasan_kmalloc+0x94/0xa3 [ 1967.312732] [] ? copy_mount_string+0x3d/0x3d [ 1967.348503] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1967.387987] [] ? __check_object_size+0x1e1/0x2b8 [ 1967.445372] [] ? 0xffffffffb1c002b8 [ 1967.499099] [] ? copy_mount_options+0x23d/0x24d [ 1967.567312] [] SyS_mount+0xa3/0xda [ 1967.640174] [] mount_block_root+0x2fc/0x650 [ 1967.747184] [] ? init_rootfs+0x99/0x99 [ 1967.847384] [] ? security_file_ioctl+0xa5/0xb4 [ 1967.937352] [] ? SyS_mknod+0x2f/0x36 [ 1967.984924] [] mount_root+0x45/0x48 [ 1968.036954] [] prepare_namespace+0x1cf/0x235 [ 1968.083941] [] kernel_init_freeable+0x4fa/0x518 [ 1968.153850] [] kernel_init+0x16/0x181 [ 1968.222904] [] ret_from_fork+0x1f/0x40 [ 1968.294999] [] ? rest_init+0x8f/0x8f [ 1968.371281] ================================================================================ [ 1968.524199] ================================================================================ [ 1968.602986] UBSAN: Undefined behaviour in ./include/linux/buffer_head.h:313:36 [ 1968.652019] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1968.700231] which requires 64 byte alignment [ 1968.721367] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1968.760685] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1968.813559] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1968.858167] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1968.902441] 0000000000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1968.950346] Call Trace: [ 1968.963306] [] dump_stack+0xd7/0x132 [ 1968.997084] [] ? arch_local_irq_restore+0x1b/0x1b [ 1969.035272] [] ubsan_epilogue+0x12/0x53 [ 1969.063007] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1969.102788] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1969.155906] [] __ext4_get_inode_loc+0xb0a/0xd50 [ 1969.212104] [] ext4_iget+0x1ab/0x2717 [ 1969.263932] [] ? vprintk_default+0x65/0x6e [ 1969.317582] [] ? ext4_get_projid+0x137/0x137 [ 1969.369930] [] ? ubsan_epilogue+0x26/0x53 [ 1969.428735] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1969.483222] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1969.548981] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1969.612796] [] ext4_fill_super+0x6154/0xa2df [ 1969.656721] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1969.712282] [] ? vsnprintf+0x1a0/0xa32 [ 1969.751115] [] ? pointer+0x7a9/0x7a9 [ 1969.793800] [] ? set_bdev_super+0x15d/0x15d [ 1969.841448] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1969.895871] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1969.950311] [] ? scnprintf+0xf3/0xf3 [ 1969.990568] [] mount_bdev+0x3cf/0x602 [ 1970.035819] [] ? mount_bdev+0x3cf/0x602 [ 1970.076179] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1970.134196] [] ext4_mount+0x3c/0x3e [ 1970.168783] [] mount_fs+0xd0/0x2ca [ 1970.209775] [] vfs_kern_mount+0xa0/0x20a [ 1970.252986] [] do_mount+0x11fe/0x19df [ 1970.300956] [] ? kasan_kmalloc+0x94/0xa3 [ 1970.341373] [] ? copy_mount_string+0x3d/0x3d [ 1970.390422] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1970.439375] [] ? __check_object_size+0x1e1/0x2b8 [ 1970.488132] [] ? 0xffffffffb1c002b8 [ 1970.524881] [] ? copy_mount_options+0x23d/0x24d [ 1970.573690] [] SyS_mount+0xa3/0xda [ 1970.613946] [] mount_block_root+0x2fc/0x650 [ 1970.650017] [] ? init_rootfs+0x99/0x99 [ 1970.681330] [] ? security_file_ioctl+0xa5/0xb4 [ 1970.714039] [] ? SyS_mknod+0x2f/0x36 [ 1970.748020] [] mount_root+0x45/0x48 [ 1970.783903] [] prepare_namespace+0x1cf/0x235 [ 1970.818413] [] kernel_init_freeable+0x4fa/0x518 [ 1970.851225] [] kernel_init+0x16/0x181 [ 1970.884887] [] ret_from_fork+0x1f/0x40 [ 1970.920499] [] ? rest_init+0x8f/0x8f [ 1970.948611] ================================================================================ [ 1970.996433] ================================================================================ [ 1971.050562] UBSAN: Undefined behaviour in ./include/linux/buffer_head.h:313:2 [ 1971.089072] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1971.157682] which requires 64 byte alignment [ 1971.198465] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1971.249407] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1971.329127] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 1971.389145] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1971.464970] ffff880000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 1971.525564] Call Trace: [ 1971.542670] [] dump_stack+0xd7/0x132 [ 1971.584011] [] ? arch_local_irq_restore+0x1b/0x1b [ 1971.624509] [] ubsan_epilogue+0x12/0x53 [ 1971.658915] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1971.710249] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1971.762573] [] __ext4_get_inode_loc+0xb34/0xd50 [ 1971.802382] [] ext4_iget+0x1ab/0x2717 [ 1971.833154] [] ? vprintk_default+0x65/0x6e [ 1971.873612] [] ? ext4_get_projid+0x137/0x137 [ 1971.914950] [] ? ubsan_epilogue+0x26/0x53 [ 1971.957317] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1972.000691] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1972.057539] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1972.123476] [] ext4_fill_super+0x6154/0xa2df [ 1972.168867] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1972.231465] [] ? vsnprintf+0x1a0/0xa32 [ 1972.276716] [] ? pointer+0x7a9/0x7a9 [ 1972.318868] [] ? set_bdev_super+0x15d/0x15d [ 1972.370789] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1972.429930] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1972.488176] [] ? scnprintf+0xf3/0xf3 [ 1972.532373] [] mount_bdev+0x3cf/0x602 [ 1972.563852] [] ? mount_bdev+0x3cf/0x602 [ 1972.615134] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1972.667438] [] ext4_mount+0x3c/0x3e [ 1972.714009] [] mount_fs+0xd0/0x2ca [ 1972.761583] [] vfs_kern_mount+0xa0/0x20a [ 1972.812676] [] do_mount+0x11fe/0x19df [ 1972.863580] [] ? kasan_kmalloc+0x94/0xa3 [ 1972.911990] [] ? copy_mount_string+0x3d/0x3d [ 1972.970395] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1973.037062] [] ? __check_object_size+0x1e1/0x2b8 [ 1973.097384] [] ? 0xffffffffb1c002b8 [ 1973.133466] [] ? copy_mount_options+0x23d/0x24d [ 1973.182756] [] SyS_mount+0xa3/0xda [ 1973.234326] [] mount_block_root+0x2fc/0x650 [ 1973.285472] [] ? init_rootfs+0x99/0x99 [ 1973.335550] [] ? security_file_ioctl+0xa5/0xb4 [ 1973.404519] [] ? SyS_mknod+0x2f/0x36 [ 1973.480731] [] mount_root+0x45/0x48 [ 1973.533789] [] prepare_namespace+0x1cf/0x235 [ 1973.587013] [] kernel_init_freeable+0x4fa/0x518 [ 1973.659543] [] kernel_init+0x16/0x181 [ 1973.707033] [] ret_from_fork+0x1f/0x40 [ 1973.767929] [] ? rest_init+0x8f/0x8f [ 1973.815972] ================================================================================ [ 1974.020467] ================================================================================ [ 1974.117630] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1974.170912] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1974.245782] which requires 64 byte alignment [ 1974.276749] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1974.320180] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1974.386434] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 1974.503113] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1974.606978] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 1974.704725] Call Trace: [ 1974.732694] [] dump_stack+0xd7/0x132 [ 1974.804986] [] ? arch_local_irq_restore+0x1b/0x1b [ 1974.896316] [] ubsan_epilogue+0x12/0x53 [ 1974.947614] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1975.037359] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1975.146313] [] ext4_iget+0x247/0x2717 [ 1975.184591] [] ? vprintk_default+0x65/0x6e [ 1975.237865] [] ? ext4_get_projid+0x137/0x137 [ 1975.283103] [] ? ubsan_epilogue+0x26/0x53 [ 1975.319510] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1975.370837] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1975.419750] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1975.475286] [] ext4_fill_super+0x6154/0xa2df [ 1975.514633] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1975.566387] [] ? vsnprintf+0x1a0/0xa32 [ 1975.602499] [] ? pointer+0x7a9/0x7a9 [ 1975.638193] [] ? set_bdev_super+0x15d/0x15d [ 1975.674065] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1975.733438] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1975.800889] [] ? scnprintf+0xf3/0xf3 [ 1975.856106] [] mount_bdev+0x3cf/0x602 [ 1975.892819] [] ? mount_bdev+0x3cf/0x602 [ 1975.942631] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1976.006217] [] ext4_mount+0x3c/0x3e [ 1976.058968] [] mount_fs+0xd0/0x2ca [ 1976.101919] [] vfs_kern_mount+0xa0/0x20a [ 1976.147827] [] do_mount+0x11fe/0x19df [ 1976.193671] [] ? kasan_kmalloc+0x94/0xa3 [ 1976.244282] [] ? copy_mount_string+0x3d/0x3d [ 1976.295307] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1976.360752] [] ? __check_object_size+0x1e1/0x2b8 [ 1976.408231] [] ? 0xffffffffb1c002b8 [ 1976.451026] [] ? copy_mount_options+0x23d/0x24d [ 1976.488802] [] SyS_mount+0xa3/0xda [ 1976.519446] [] mount_block_root+0x2fc/0x650 [ 1976.561850] [] ? init_rootfs+0x99/0x99 [ 1976.591630] [] ? security_file_ioctl+0xa5/0xb4 [ 1976.639576] [] ? SyS_mknod+0x2f/0x36 [ 1976.672019] [] mount_root+0x45/0x48 [ 1976.709276] [] prepare_namespace+0x1cf/0x235 [ 1976.751728] [] kernel_init_freeable+0x4fa/0x518 [ 1976.802467] [] kernel_init+0x16/0x181 [ 1976.842651] [] ret_from_fork+0x1f/0x40 [ 1976.890852] [] ? rest_init+0x8f/0x8f [ 1976.932615] ================================================================================ [ 1977.001013] ================================================================================ [ 1977.073104] UBSAN: Undefined behaviour in fs/ext4/inode.c:4460:6 [ 1977.115238] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1977.182317] which requires 64 byte alignment [ 1977.200512] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1977.234691] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1977.294690] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 1977.344574] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1977.386122] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 1977.435773] Call Trace: [ 1977.455588] [] dump_stack+0xd7/0x132 [ 1977.509108] [] ? arch_local_irq_restore+0x1b/0x1b [ 1977.586343] [] ubsan_epilogue+0x12/0x53 [ 1977.646278] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1977.720852] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1977.785999] [] ext4_iget+0x276/0x2717 [ 1977.824679] [] ? vprintk_default+0x65/0x6e [ 1977.871553] [] ? ext4_get_projid+0x137/0x137 [ 1977.913418] [] ? ubsan_epilogue+0x26/0x53 [ 1977.947631] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1977.990183] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1978.041029] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1978.091465] [] ext4_fill_super+0x6154/0xa2df [ 1978.124926] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1978.166977] [] ? vsnprintf+0x1a0/0xa32 [ 1978.218356] [] ? pointer+0x7a9/0x7a9 [ 1978.260605] [] ? set_bdev_super+0x15d/0x15d [ 1978.316301] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1978.382159] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1978.438007] [] ? scnprintf+0xf3/0xf3 [ 1978.486583] [] mount_bdev+0x3cf/0x602 [ 1978.524833] [] ? mount_bdev+0x3cf/0x602 [ 1978.559991] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1978.609114] [] ext4_mount+0x3c/0x3e [ 1978.639141] [] mount_fs+0xd0/0x2ca [ 1978.666789] [] vfs_kern_mount+0xa0/0x20a [ 1978.700096] [] do_mount+0x11fe/0x19df [ 1978.736264] [] ? kasan_kmalloc+0x94/0xa3 [ 1978.783384] [] ? copy_mount_string+0x3d/0x3d [ 1978.833436] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1978.874383] [] ? __check_object_size+0x1e1/0x2b8 [ 1978.915382] [] ? 0xffffffffb1c002b8 [ 1978.957966] [] ? copy_mount_options+0x23d/0x24d [ 1978.994731] [] SyS_mount+0xa3/0xda [ 1979.022164] [] mount_block_root+0x2fc/0x650 [ 1979.055953] [] ? init_rootfs+0x99/0x99 [ 1979.086523] [] ? security_file_ioctl+0xa5/0xb4 [ 1979.117935] [] ? SyS_mknod+0x2f/0x36 [ 1979.154381] [] mount_root+0x45/0x48 [ 1979.185666] [] prepare_namespace+0x1cf/0x235 [ 1979.237468] [] kernel_init_freeable+0x4fa/0x518 [ 1979.286997] [] kernel_init+0x16/0x181 [ 1979.324651] [] ret_from_fork+0x1f/0x40 [ 1979.361741] [] ? rest_init+0x8f/0x8f [ 1979.402074] ================================================================================ [ 1979.476370] ================================================================================ [ 1979.538755] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1979.585414] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1979.657887] which requires 64 byte alignment [ 1979.691798] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1979.738265] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1979.809807] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 1979.865738] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1979.910918] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 1979.955442] Call Trace: [ 1979.966543] [] dump_stack+0xd7/0x132 [ 1980.000348] [] ? arch_local_irq_restore+0x1b/0x1b [ 1980.039521] [] ubsan_epilogue+0x12/0x53 [ 1980.076140] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1980.112451] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1980.163719] [] ext4_iget+0x35b/0x2717 [ 1980.194749] [] ? vprintk_default+0x65/0x6e [ 1980.235273] [] ? ext4_get_projid+0x137/0x137 [ 1980.275627] [] ? ubsan_epilogue+0x26/0x53 [ 1980.322051] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1980.381797] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1980.439406] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1980.494500] [] ext4_fill_super+0x6154/0xa2df [ 1980.533232] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1980.577076] [] ? vsnprintf+0x1a0/0xa32 [ 1980.609898] [] ? pointer+0x7a9/0x7a9 [ 1980.637522] [] ? set_bdev_super+0x15d/0x15d [ 1980.672203] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1980.710096] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1980.770832] [] ? scnprintf+0xf3/0xf3 [ 1980.808919] [] mount_bdev+0x3cf/0x602 [ 1980.855939] [] ? mount_bdev+0x3cf/0x602 [ 1980.900191] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1980.958810] [] ext4_mount+0x3c/0x3e [ 1980.988832] [] mount_fs+0xd0/0x2ca [ 1981.012796] [] vfs_kern_mount+0xa0/0x20a [ 1981.045234] [] do_mount+0x11fe/0x19df [ 1981.074145] [] ? kasan_kmalloc+0x94/0xa3 [ 1981.110323] [] ? copy_mount_string+0x3d/0x3d [ 1981.138353] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1981.174350] [] ? __check_object_size+0x1e1/0x2b8 [ 1981.208223] [] ? 0xffffffffb1c002b8 [ 1981.236451] [] ? copy_mount_options+0x23d/0x24d [ 1981.275178] [] SyS_mount+0xa3/0xda [ 1981.302286] [] mount_block_root+0x2fc/0x650 [ 1981.341986] [] ? init_rootfs+0x99/0x99 [ 1981.384050] [] ? security_file_ioctl+0xa5/0xb4 [ 1981.431363] [] ? SyS_mknod+0x2f/0x36 [ 1981.472896] [] mount_root+0x45/0x48 [ 1981.501233] [] prepare_namespace+0x1cf/0x235 [ 1981.533333] [] kernel_init_freeable+0x4fa/0x518 [ 1981.564323] [] kernel_init+0x16/0x181 [ 1981.595843] [] ret_from_fork+0x1f/0x40 [ 1981.624574] [] ? rest_init+0x8f/0x8f [ 1981.667727] ================================================================================ [ 1981.712072] ================================================================================ [ 1981.757249] UBSAN: Undefined behaviour in fs/ext4/inode.c:4463:7 [ 1981.794748] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1981.845396] which requires 64 byte alignment [ 1981.875207] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1981.911162] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1981.974826] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 1982.015584] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1982.066289] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 1982.111202] Call Trace: [ 1982.130167] [] dump_stack+0xd7/0x132 [ 1982.158384] [] ? arch_local_irq_restore+0x1b/0x1b [ 1982.197136] [] ubsan_epilogue+0x12/0x53 [ 1982.233841] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1982.281371] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1982.333906] [] ext4_iget+0x37d/0x2717 [ 1982.362953] [] ? vprintk_default+0x65/0x6e [ 1982.401076] [] ? ext4_get_projid+0x137/0x137 [ 1982.433968] [] ? ubsan_epilogue+0x26/0x53 [ 1982.463619] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1982.508928] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1982.557459] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1982.598007] [] ext4_fill_super+0x6154/0xa2df [ 1982.631827] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1982.683394] [] ? vsnprintf+0x1a0/0xa32 [ 1982.714604] [] ? pointer+0x7a9/0x7a9 [ 1982.754573] [] ? set_bdev_super+0x15d/0x15d [ 1982.791593] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1982.840249] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1982.879451] [] ? scnprintf+0xf3/0xf3 [ 1982.911525] [] mount_bdev+0x3cf/0x602 [ 1982.940329] [] ? mount_bdev+0x3cf/0x602 [ 1982.970606] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1983.007409] [] ext4_mount+0x3c/0x3e [ 1983.041499] [] mount_fs+0xd0/0x2ca [ 1983.082015] [] vfs_kern_mount+0xa0/0x20a [ 1983.125487] [] do_mount+0x11fe/0x19df [ 1983.169961] [] ? kasan_kmalloc+0x94/0xa3 [ 1983.204652] [] ? copy_mount_string+0x3d/0x3d [ 1983.253769] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1983.297448] [] ? __check_object_size+0x1e1/0x2b8 [ 1983.339453] [] ? 0xffffffffb1c002b8 [ 1983.379281] [] ? copy_mount_options+0x23d/0x24d [ 1983.427250] [] SyS_mount+0xa3/0xda [ 1983.483474] [] mount_block_root+0x2fc/0x650 [ 1983.527319] [] ? init_rootfs+0x99/0x99 [ 1983.582490] [] ? security_file_ioctl+0xa5/0xb4 [ 1983.636927] [] ? SyS_mknod+0x2f/0x36 [ 1983.680220] [] mount_root+0x45/0x48 [ 1983.755552] [] prepare_namespace+0x1cf/0x235 [ 1983.838570] [] kernel_init_freeable+0x4fa/0x518 [ 1983.992842] [] kernel_init+0x16/0x181 [ 1984.116138] [] ret_from_fork+0x1f/0x40 [ 1984.217105] [] ? rest_init+0x8f/0x8f [ 1984.263281] ================================================================================ [ 1984.329840] ================================================================================ [ 1984.393093] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1984.431964] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1984.496267] which requires 64 byte alignment [ 1984.528883] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1984.571525] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1984.646497] 00000000ffffffff 00000000b1a89c60 ffff88005c9df590 ffffffffb26ec5cc [ 1984.708729] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1984.767700] fffffbff00000010 ffff88005c9df5b8 ffff88005c9df568 ffffffffb363c3e0 [ 1984.827568] Call Trace: [ 1984.847260] [] dump_stack+0xd7/0x132 [ 1984.881873] [] ? arch_local_irq_restore+0x1b/0x1b [ 1984.929683] [] ubsan_epilogue+0x12/0x53 [ 1984.974279] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1985.032231] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1985.095344] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1985.166728] [] ext4_has_metadata_csum+0x2c/0x1a0 [ 1985.216066] [] ext4_iget+0x484/0x2717 [ 1985.253624] [] ? vprintk_default+0x65/0x6e [ 1985.289406] [] ? ext4_get_projid+0x137/0x137 [ 1985.324332] [] ? ubsan_epilogue+0x26/0x53 [ 1985.362095] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1985.414537] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1985.459630] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1985.513444] [] ext4_fill_super+0x6154/0xa2df [ 1985.559383] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1985.614393] [] ? vsnprintf+0x1a0/0xa32 [ 1985.660445] [] ? pointer+0x7a9/0x7a9 [ 1985.709761] [] ? set_bdev_super+0x15d/0x15d [ 1985.753162] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1985.802017] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1985.860729] [] ? scnprintf+0xf3/0xf3 [ 1985.891192] [] mount_bdev+0x3cf/0x602 [ 1985.924345] [] ? mount_bdev+0x3cf/0x602 [ 1985.968976] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1986.016135] [] ext4_mount+0x3c/0x3e [ 1986.060025] [] mount_fs+0xd0/0x2ca [ 1986.103184] [] vfs_kern_mount+0xa0/0x20a [ 1986.135267] [] do_mount+0x11fe/0x19df [ 1986.171201] [] ? kasan_kmalloc+0x94/0xa3 [ 1986.209393] [] ? copy_mount_string+0x3d/0x3d [ 1986.259234] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1986.312798] [] ? __check_object_size+0x1e1/0x2b8 [ 1986.362304] [] ? 0xffffffffb1c002b8 [ 1986.404517] [] ? copy_mount_options+0x23d/0x24d [ 1986.458057] [] SyS_mount+0xa3/0xda [ 1986.500783] [] mount_block_root+0x2fc/0x650 [ 1986.539769] [] ? init_rootfs+0x99/0x99 [ 1986.589114] [] ? security_file_ioctl+0xa5/0xb4 [ 1986.625222] [] ? SyS_mknod+0x2f/0x36 [ 1986.656836] [] mount_root+0x45/0x48 [ 1986.689653] [] prepare_namespace+0x1cf/0x235 [ 1986.729612] [] kernel_init_freeable+0x4fa/0x518 [ 1986.767716] [] kernel_init+0x16/0x181 [ 1986.805908] [] ret_from_fork+0x1f/0x40 [ 1986.847089] [] ? rest_init+0x8f/0x8f [ 1986.897399] ================================================================================ [ 1986.973333] ================================================================================ [ 1987.039790] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1771:1 [ 1987.100924] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1987.186515] which requires 64 byte alignment [ 1987.225077] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1987.281545] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1987.360415] 00000000ffffffff 00000000b1a89c60 ffff88005c9df590 ffffffffb26ec5cc [ 1987.408330] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1987.476159] ffff880000000010 ffff88005c9df5b8 ffff88005c9df568 ffffffffb363c3e0 [ 1987.528991] Call Trace: [ 1987.543112] [] dump_stack+0xd7/0x132 [ 1987.584899] [] ? arch_local_irq_restore+0x1b/0x1b [ 1987.635098] [] ubsan_epilogue+0x12/0x53 [ 1987.679660] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1987.732852] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1987.798943] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1987.859866] [] ext4_has_metadata_csum+0x5c/0x1a0 [ 1987.911169] [] ext4_iget+0x484/0x2717 [ 1987.957021] [] ? vprintk_default+0x65/0x6e [ 1987.999458] [] ? ext4_get_projid+0x137/0x137 [ 1988.039990] [] ? ubsan_epilogue+0x26/0x53 [ 1988.078502] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1988.122454] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1988.174308] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1988.226552] [] ext4_fill_super+0x6154/0xa2df [ 1988.268340] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1988.313655] [] ? vsnprintf+0x1a0/0xa32 [ 1988.363600] [] ? pointer+0x7a9/0x7a9 [ 1988.402817] [] ? set_bdev_super+0x15d/0x15d [ 1988.436878] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1988.487342] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1988.541225] [] ? scnprintf+0xf3/0xf3 [ 1988.588507] [] mount_bdev+0x3cf/0x602 [ 1988.635717] [] ? mount_bdev+0x3cf/0x602 [ 1988.683914] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1988.746844] [] ext4_mount+0x3c/0x3e [ 1988.787512] [] mount_fs+0xd0/0x2ca [ 1988.835314] [] vfs_kern_mount+0xa0/0x20a [ 1988.881699] [] do_mount+0x11fe/0x19df [ 1988.927172] [] ? kasan_kmalloc+0x94/0xa3 [ 1988.975078] [] ? copy_mount_string+0x3d/0x3d [ 1989.022553] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1989.072433] [] ? __check_object_size+0x1e1/0x2b8 [ 1989.115495] [] ? 0xffffffffb1c002b8 [ 1989.161153] [] ? copy_mount_options+0x23d/0x24d [ 1989.209538] [] SyS_mount+0xa3/0xda [ 1989.249889] [] mount_block_root+0x2fc/0x650 [ 1989.294466] [] ? init_rootfs+0x99/0x99 [ 1989.339948] [] ? security_file_ioctl+0xa5/0xb4 [ 1989.392541] [] ? SyS_mknod+0x2f/0x36 [ 1989.436583] [] mount_root+0x45/0x48 [ 1989.480692] [] prepare_namespace+0x1cf/0x235 [ 1989.530171] [] kernel_init_freeable+0x4fa/0x518 [ 1989.580228] [] kernel_init+0x16/0x181 [ 1989.626634] [] ret_from_fork+0x1f/0x40 [ 1989.669212] [] ? rest_init+0x8f/0x8f [ 1989.712656] ================================================================================ [ 1989.781404] ================================================================================ [ 1989.846239] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1989.892913] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1989.974198] which requires 64 byte alignment [ 1990.004740] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1990.040427] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1990.103834] 00000000ffffffff 00000000b1a89c60 ffff88005c9df590 ffffffffb26ec5cc [ 1990.163178] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1990.219396] ffff880000000010 ffff88005c9df5b8 ffff88005c9df568 ffffffffb363c3e0 [ 1990.268481] Call Trace: [ 1990.286925] [] dump_stack+0xd7/0x132 [ 1990.329636] [] ? arch_local_irq_restore+0x1b/0x1b [ 1990.381779] [] ubsan_epilogue+0x12/0x53 [ 1990.427944] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1990.482040] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1990.546121] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1990.608355] [] ext4_has_metadata_csum+0xb7/0x1a0 [ 1990.656962] [] ext4_iget+0x484/0x2717 [ 1990.699835] [] ? vprintk_default+0x65/0x6e [ 1990.745123] [] ? ext4_get_projid+0x137/0x137 [ 1990.787387] [] ? ubsan_epilogue+0x26/0x53 [ 1990.829794] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1990.891799] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1990.953572] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1991.013047] [] ext4_fill_super+0x6154/0xa2df [ 1991.067707] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1991.128389] [] ? vsnprintf+0x1a0/0xa32 [ 1991.179114] [] ? pointer+0x7a9/0x7a9 [ 1991.229256] [] ? set_bdev_super+0x15d/0x15d [ 1991.276698] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1991.334838] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1991.393009] [] ? scnprintf+0xf3/0xf3 [ 1991.432151] [] mount_bdev+0x3cf/0x602 [ 1991.476948] [] ? mount_bdev+0x3cf/0x602 [ 1991.528419] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1991.585081] [] ext4_mount+0x3c/0x3e [ 1991.623609] [] mount_fs+0xd0/0x2ca [ 1991.656911] [] vfs_kern_mount+0xa0/0x20a [ 1991.702291] [] do_mount+0x11fe/0x19df [ 1991.746987] [] ? kasan_kmalloc+0x94/0xa3 [ 1991.784797] [] ? copy_mount_string+0x3d/0x3d [ 1991.830601] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1991.867812] [] ? __check_object_size+0x1e1/0x2b8 [ 1991.909115] [] ? 0xffffffffb1c002b8 [ 1991.943248] [] ? copy_mount_options+0x23d/0x24d [ 1991.987945] [] SyS_mount+0xa3/0xda [ 1992.028827] [] mount_block_root+0x2fc/0x650 [ 1992.072371] [] ? init_rootfs+0x99/0x99 [ 1992.125693] [] ? security_file_ioctl+0xa5/0xb4 [ 1992.182315] [] ? SyS_mknod+0x2f/0x36 [ 1992.252814] [] mount_root+0x45/0x48 [ 1992.313276] [] prepare_namespace+0x1cf/0x235 [ 1992.358522] [] kernel_init_freeable+0x4fa/0x518 [ 1992.398397] [] kernel_init+0x16/0x181 [ 1992.432033] [] ret_from_fork+0x1f/0x40 [ 1992.470753] [] ? rest_init+0x8f/0x8f [ 1992.504757] ================================================================================ [ 1992.565160] ================================================================================ [ 1992.628321] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2748:2 [ 1992.672250] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1992.744133] which requires 64 byte alignment [ 1992.775739] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1992.824995] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1992.895779] 00000000ffffffff 00000000b1a89c60 ffff88005c9df590 ffffffffb26ec5cc [ 1992.942628] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1992.997668] ffff880000000010 ffff88005c9df5b8 ffff88005c9df568 ffffffffb363c3e0 [ 1993.046999] Call Trace: [ 1993.063273] [] dump_stack+0xd7/0x132 [ 1993.098427] [] ? arch_local_irq_restore+0x1b/0x1b [ 1993.133719] [] ubsan_epilogue+0x12/0x53 [ 1993.164374] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1993.216354] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1993.295757] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1993.360223] [] ext4_has_metadata_csum+0xd1/0x1a0 [ 1993.423417] [] ext4_iget+0x484/0x2717 [ 1993.466084] [] ? vprintk_default+0x65/0x6e [ 1993.526670] [] ? ext4_get_projid+0x137/0x137 [ 1993.592752] [] ? ubsan_epilogue+0x26/0x53 [ 1993.641305] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1993.699837] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1993.758461] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1993.816900] [] ext4_fill_super+0x6154/0xa2df [ 1993.866202] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1993.917304] [] ? vsnprintf+0x1a0/0xa32 [ 1993.959174] [] ? pointer+0x7a9/0x7a9 [ 1994.003846] [] ? set_bdev_super+0x15d/0x15d [ 1994.052374] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1994.110647] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1994.166957] [] ? scnprintf+0xf3/0xf3 [ 1994.212685] [] mount_bdev+0x3cf/0x602 [ 1994.260190] [] ? mount_bdev+0x3cf/0x602 [ 1994.307301] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1994.361901] [] ext4_mount+0x3c/0x3e [ 1994.404814] [] mount_fs+0xd0/0x2ca [ 1994.448440] [] vfs_kern_mount+0xa0/0x20a [ 1994.491351] [] do_mount+0x11fe/0x19df [ 1994.529348] [] ? kasan_kmalloc+0x94/0xa3 [ 1994.571885] [] ? copy_mount_string+0x3d/0x3d [ 1994.625064] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1994.673872] [] ? __check_object_size+0x1e1/0x2b8 [ 1994.721614] [] ? 0xffffffffb1c002b8 [ 1994.762503] [] ? copy_mount_options+0x23d/0x24d [ 1994.814375] [] SyS_mount+0xa3/0xda [ 1994.852325] [] mount_block_root+0x2fc/0x650 [ 1994.894449] [] ? init_rootfs+0x99/0x99 [ 1994.925363] [] ? security_file_ioctl+0xa5/0xb4 [ 1994.975369] [] ? SyS_mknod+0x2f/0x36 [ 1995.005369] [] mount_root+0x45/0x48 [ 1995.036243] [] prepare_namespace+0x1cf/0x235 [ 1995.080506] [] kernel_init_freeable+0x4fa/0x518 [ 1995.125690] [] kernel_init+0x16/0x181 [ 1995.160230] [] ret_from_fork+0x1f/0x40 [ 1995.192159] [] ? rest_init+0x8f/0x8f [ 1995.226548] ================================================================================ [ 1995.294783] ================================================================================ [ 1995.364341] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 1995.415924] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 1995.480487] which requires 64 byte alignment [ 1995.518610] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1995.565624] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1995.646832] 00000000ffffffff 00000000b1a89c60 ffff88005c9df590 ffffffffb26ec5cc [ 1995.704748] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1995.785691] ffff880000000010 ffff88005c9df5b8 ffff88005c9df568 ffffffffb363c3e0 [ 1995.930057] Call Trace: [ 1995.971210] [] dump_stack+0xd7/0x132 [ 1996.054648] [] ? arch_local_irq_restore+0x1b/0x1b [ 1996.170197] [] ubsan_epilogue+0x12/0x53 [ 1996.233136] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1996.311757] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1996.361984] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1996.424859] [] ext4_has_metadata_csum+0x156/0x1a0 [ 1996.478716] [] ext4_iget+0x484/0x2717 [ 1996.517208] [] ? vprintk_default+0x65/0x6e [ 1996.554039] [] ? ext4_get_projid+0x137/0x137 [ 1996.599506] [] ? ubsan_epilogue+0x26/0x53 [ 1996.638100] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1996.694967] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1996.747901] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1996.793871] [] ext4_fill_super+0x6154/0xa2df [ 1996.835413] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1996.883776] [] ? vsnprintf+0x1a0/0xa32 [ 1996.924050] [] ? pointer+0x7a9/0x7a9 [ 1996.959371] [] ? set_bdev_super+0x15d/0x15d [ 1996.995329] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1997.043632] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1997.099982] [] ? scnprintf+0xf3/0xf3 [ 1997.136652] [] mount_bdev+0x3cf/0x602 [ 1997.192471] [] ? mount_bdev+0x3cf/0x602 [ 1997.246682] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1997.310491] [] ext4_mount+0x3c/0x3e [ 1997.369533] [] mount_fs+0xd0/0x2ca [ 1997.413593] [] vfs_kern_mount+0xa0/0x20a [ 1997.456663] [] do_mount+0x11fe/0x19df [ 1997.503128] [] ? kasan_kmalloc+0x94/0xa3 [ 1997.553433] [] ? copy_mount_string+0x3d/0x3d [ 1997.619542] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 1997.675624] [] ? __check_object_size+0x1e1/0x2b8 [ 1997.730634] [] ? 0xffffffffb1c002b8 [ 1997.772001] [] ? copy_mount_options+0x23d/0x24d [ 1997.813782] [] SyS_mount+0xa3/0xda [ 1997.858152] [] mount_block_root+0x2fc/0x650 [ 1997.907406] [] ? init_rootfs+0x99/0x99 [ 1997.942511] [] ? security_file_ioctl+0xa5/0xb4 [ 1997.983056] [] ? SyS_mknod+0x2f/0x36 [ 1998.015025] [] mount_root+0x45/0x48 [ 1998.049976] [] prepare_namespace+0x1cf/0x235 [ 1998.092020] [] kernel_init_freeable+0x4fa/0x518 [ 1998.136450] [] kernel_init+0x16/0x181 [ 1998.167178] [] ret_from_fork+0x1f/0x40 [ 1998.199464] [] ? rest_init+0x8f/0x8f [ 1998.249127] ================================================================================ [ 1998.314539] ================================================================================ [ 1998.374596] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2751:21 [ 1998.414956] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 1998.531813] which requires 64 byte alignment [ 1998.559519] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 1998.592081] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 1998.664198] 00000000ffffffff 00000000b1a89c60 ffff88005c9df590 ffffffffb26ec5cc [ 1998.714674] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 1998.770323] ffff880000000010 ffff88005c9df5b8 ffff88005c9df568 ffffffffb363c3e0 [ 1998.834063] Call Trace: [ 1998.856064] [] dump_stack+0xd7/0x132 [ 1998.899986] [] ? arch_local_irq_restore+0x1b/0x1b [ 1998.947704] [] ubsan_epilogue+0x12/0x53 [ 1998.996683] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 1999.051580] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1999.112928] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1999.170351] [] ext4_has_metadata_csum+0x17e/0x1a0 [ 1999.214890] [] ext4_iget+0x484/0x2717 [ 1999.255258] [] ? vprintk_default+0x65/0x6e [ 1999.300947] [] ? ext4_get_projid+0x137/0x137 [ 1999.348586] [] ? ubsan_epilogue+0x26/0x53 [ 1999.397723] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1999.451929] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1999.510070] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1999.565634] [] ext4_fill_super+0x6154/0xa2df [ 1999.612283] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 1999.669239] [] ? vsnprintf+0x1a0/0xa32 [ 1999.714623] [] ? pointer+0x7a9/0x7a9 [ 1999.754617] [] ? set_bdev_super+0x15d/0x15d [ 1999.805043] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 1999.862825] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 1999.919836] [] ? scnprintf+0xf3/0xf3 [ 1999.966300] [] mount_bdev+0x3cf/0x602 [ 2000.011432] [] ? mount_bdev+0x3cf/0x602 [ 2000.052619] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2000.102550] [] ext4_mount+0x3c/0x3e [ 2000.145332] [] mount_fs+0xd0/0x2ca [ 2000.185076] [] vfs_kern_mount+0xa0/0x20a [ 2000.233203] [] do_mount+0x11fe/0x19df [ 2000.277743] [] ? kasan_kmalloc+0x94/0xa3 [ 2000.329299] [] ? copy_mount_string+0x3d/0x3d [ 2000.377007] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2000.426741] [] ? __check_object_size+0x1e1/0x2b8 [ 2000.472958] [] ? 0xffffffffb1c002b8 [ 2000.504211] [] ? copy_mount_options+0x23d/0x24d [ 2000.543014] [] SyS_mount+0xa3/0xda [ 2000.577536] [] mount_block_root+0x2fc/0x650 [ 2000.624143] [] ? init_rootfs+0x99/0x99 [ 2000.665020] [] ? security_file_ioctl+0xa5/0xb4 [ 2000.699072] [] ? SyS_mknod+0x2f/0x36 [ 2000.729150] [] mount_root+0x45/0x48 [ 2000.761645] [] prepare_namespace+0x1cf/0x235 [ 2000.801183] [] kernel_init_freeable+0x4fa/0x518 [ 2000.841535] [] kernel_init+0x16/0x181 [ 2000.880658] [] ret_from_fork+0x1f/0x40 [ 2000.927984] [] ? rest_init+0x8f/0x8f [ 2000.981616] ================================================================================ [ 2001.053114] ================================================================================ [ 2001.128498] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2001.192298] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2001.274417] which requires 64 byte alignment [ 2001.309851] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2001.355747] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2001.423636] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2001.480552] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2001.531379] 0000000000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2001.582710] Call Trace: [ 2001.599731] [] dump_stack+0xd7/0x132 [ 2001.630817] [] ? arch_local_irq_restore+0x1b/0x1b [ 2001.680702] [] ubsan_epilogue+0x12/0x53 [ 2001.718697] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2001.763422] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2001.815316] [] ext4_iget+0x4d1/0x2717 [ 2001.853292] [] ? vprintk_default+0x65/0x6e [ 2001.900118] [] ? ext4_get_projid+0x137/0x137 [ 2001.944590] [] ? ubsan_epilogue+0x26/0x53 [ 2001.985527] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2002.036722] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2002.097902] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2002.161156] [] ext4_fill_super+0x6154/0xa2df [ 2002.215825] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2002.275380] [] ? vsnprintf+0x1a0/0xa32 [ 2002.321293] [] ? pointer+0x7a9/0x7a9 [ 2002.363829] [] ? set_bdev_super+0x15d/0x15d [ 2002.403896] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2002.458513] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2002.499009] [] ? scnprintf+0xf3/0xf3 [ 2002.530560] [] mount_bdev+0x3cf/0x602 [ 2002.564629] [] ? mount_bdev+0x3cf/0x602 [ 2002.602770] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2002.644178] [] ext4_mount+0x3c/0x3e [ 2002.678795] [] mount_fs+0xd0/0x2ca [ 2002.712030] [] vfs_kern_mount+0xa0/0x20a [ 2002.746303] [] do_mount+0x11fe/0x19df [ 2002.777653] [] ? kasan_kmalloc+0x94/0xa3 [ 2002.810984] [] ? copy_mount_string+0x3d/0x3d [ 2002.852418] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2002.902977] [] ? __check_object_size+0x1e1/0x2b8 [ 2002.958987] [] ? 0xffffffffb1c002b8 [ 2003.000128] [] ? copy_mount_options+0x23d/0x24d [ 2003.047271] [] SyS_mount+0xa3/0xda [ 2003.079463] [] mount_block_root+0x2fc/0x650 [ 2003.132805] [] ? init_rootfs+0x99/0x99 [ 2003.178370] [] ? security_file_ioctl+0xa5/0xb4 [ 2003.227650] [] ? SyS_mknod+0x2f/0x36 [ 2003.256457] [] mount_root+0x45/0x48 [ 2003.293206] [] prepare_namespace+0x1cf/0x235 [ 2003.327255] [] kernel_init_freeable+0x4fa/0x518 [ 2003.368597] [] kernel_init+0x16/0x181 [ 2003.399092] [] ret_from_fork+0x1f/0x40 [ 2003.439001] [] ? rest_init+0x8f/0x8f [ 2003.476259] ================================================================================ [ 2003.528140] ================================================================================ [ 2003.584451] UBSAN: Undefined behaviour in fs/ext4/inode.c:4479:10 [ 2003.627094] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2003.690653] which requires 64 byte alignment [ 2003.717081] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2003.748188] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2003.819477] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2003.878070] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2003.934841] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2003.989408] Call Trace: [ 2004.014201] [] dump_stack+0xd7/0x132 [ 2004.050923] [] ? arch_local_irq_restore+0x1b/0x1b [ 2004.087117] [] ubsan_epilogue+0x12/0x53 [ 2004.128260] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2004.162790] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2004.205453] [] ext4_iget+0x559/0x2717 [ 2004.246246] [] ? vprintk_default+0x65/0x6e [ 2004.280668] [] ? ext4_get_projid+0x137/0x137 [ 2004.328404] [] ? ubsan_epilogue+0x26/0x53 [ 2004.368938] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2004.419039] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2004.478599] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2004.539816] [] ext4_fill_super+0x6154/0xa2df [ 2004.582018] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2004.646714] [] ? vsnprintf+0x1a0/0xa32 [ 2004.690916] [] ? pointer+0x7a9/0x7a9 [ 2004.735384] [] ? set_bdev_super+0x15d/0x15d [ 2004.777855] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2004.830441] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2004.879078] [] ? scnprintf+0xf3/0xf3 [ 2004.918649] [] mount_bdev+0x3cf/0x602 [ 2004.963948] [] ? mount_bdev+0x3cf/0x602 [ 2005.004876] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2005.061106] [] ext4_mount+0x3c/0x3e [ 2005.094134] [] mount_fs+0xd0/0x2ca [ 2005.136691] [] vfs_kern_mount+0xa0/0x20a [ 2005.167688] [] do_mount+0x11fe/0x19df [ 2005.203838] [] ? kasan_kmalloc+0x94/0xa3 [ 2005.273136] [] ? copy_mount_string+0x3d/0x3d [ 2005.385569] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2005.485960] [] ? __check_object_size+0x1e1/0x2b8 [ 2005.570317] [] ? 0xffffffffb1c002b8 [ 2005.649651] [] ? copy_mount_options+0x23d/0x24d [ 2005.755782] [] SyS_mount+0xa3/0xda [ 2005.803868] [] mount_block_root+0x2fc/0x650 [ 2005.861301] [] ? init_rootfs+0x99/0x99 [ 2005.922530] [] ? security_file_ioctl+0xa5/0xb4 [ 2006.051860] [] ? SyS_mknod+0x2f/0x36 [ 2006.108858] [] mount_root+0x45/0x48 [ 2006.239339] [] prepare_namespace+0x1cf/0x235 [ 2006.318829] [] kernel_init_freeable+0x4fa/0x518 [ 2006.390441] [] kernel_init+0x16/0x181 [ 2006.432202] [] ret_from_fork+0x1f/0x40 [ 2006.475733] [] ? rest_init+0x8f/0x8f [ 2006.511992] ================================================================================ [ 2006.599180] ================================================================================ [ 2006.701009] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2041:2 [ 2006.767365] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2006.847385] which requires 64 byte alignment [ 2006.906094] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2006.968169] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2007.107732] 00000000ffffffff 00000000b1a89c60 ffff88005c9df518 ffffffffb26ec5cc [ 2007.239464] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2007.306158] 0000000000000010 ffff88005c9df540 ffff88005c9df4f0 ffffffffb363c3e0 [ 2007.369604] Call Trace: [ 2007.392215] [] dump_stack+0xd7/0x132 [ 2007.559428] [] ? arch_local_irq_restore+0x1b/0x1b [ 2007.622923] [] ubsan_epilogue+0x12/0x53 [ 2007.667430] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2007.724100] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2007.787804] [] ? arch_local_irq_restore+0x6/0xd [ 2007.834255] [] ext4_chksum+0x95/0x17a [ 2007.881096] [] ? ext4_current_time+0xc2/0xc2 [ 2007.923308] [] ext4_iget+0x582/0x2717 [ 2007.984560] [] ? vprintk_default+0x65/0x6e [ 2008.074901] [] ? ext4_get_projid+0x137/0x137 [ 2008.138140] [] ? ubsan_epilogue+0x26/0x53 [ 2008.192718] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2008.242651] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2008.296074] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2008.361281] [] ext4_fill_super+0x6154/0xa2df [ 2008.420456] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2008.484932] [] ? vsnprintf+0x1a0/0xa32 [ 2008.538160] [] ? pointer+0x7a9/0x7a9 [ 2008.601843] [] ? set_bdev_super+0x15d/0x15d [ 2008.652643] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2008.717613] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2008.784657] [] ? scnprintf+0xf3/0xf3 [ 2008.856103] [] mount_bdev+0x3cf/0x602 [ 2008.919197] [] ? mount_bdev+0x3cf/0x602 [ 2008.970955] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2009.053582] [] ext4_mount+0x3c/0x3e [ 2009.126209] [] mount_fs+0xd0/0x2ca [ 2009.192833] [] vfs_kern_mount+0xa0/0x20a [ 2009.338663] [] do_mount+0x11fe/0x19df [ 2009.421806] [] ? kasan_kmalloc+0x94/0xa3 [ 2009.473271] [] ? copy_mount_string+0x3d/0x3d [ 2009.515224] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2009.557085] [] ? __check_object_size+0x1e1/0x2b8 [ 2009.608521] [] ? 0xffffffffb1c002b8 [ 2009.649808] [] ? copy_mount_options+0x23d/0x24d [ 2009.696759] [] SyS_mount+0xa3/0xda [ 2009.752470] [] mount_block_root+0x2fc/0x650 [ 2009.792526] [] ? init_rootfs+0x99/0x99 [ 2009.834653] [] ? security_file_ioctl+0xa5/0xb4 [ 2009.887673] [] ? SyS_mknod+0x2f/0x36 [ 2009.924337] [] mount_root+0x45/0x48 [ 2009.962837] [] prepare_namespace+0x1cf/0x235 [ 2010.008869] [] kernel_init_freeable+0x4fa/0x518 [ 2010.050273] [] kernel_init+0x16/0x181 [ 2010.087667] [] ret_from_fork+0x1f/0x40 [ 2010.124425] [] ? rest_init+0x8f/0x8f [ 2010.166919] ================================================================================ [ 2010.239692] ================================================================================ [ 2010.314230] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2043:22 [ 2010.370044] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2010.432978] which requires 64 byte alignment [ 2010.472140] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2010.524111] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2010.605168] 00000000ffffffff 00000000b1a89c60 ffff88005c9df518 ffffffffb26ec5cc [ 2010.673774] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2010.749569] ffffffff00000010 ffff88005c9df540 ffff88005c9df4f0 ffffffffb363c3e0 [ 2010.824135] Call Trace: [ 2010.849123] [] dump_stack+0xd7/0x132 [ 2010.897451] [] ? arch_local_irq_restore+0x1b/0x1b [ 2010.949198] [] ubsan_epilogue+0x12/0x53 [ 2011.002397] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2011.067900] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2011.127720] [] ? arch_local_irq_restore+0x6/0xd [ 2011.185081] [] ext4_chksum+0xff/0x17a [ 2011.227512] [] ? ext4_current_time+0xc2/0xc2 [ 2011.275497] [] ext4_iget+0x582/0x2717 [ 2011.324228] [] ? vprintk_default+0x65/0x6e [ 2011.389826] [] ? ext4_get_projid+0x137/0x137 [ 2011.450526] [] ? ubsan_epilogue+0x26/0x53 [ 2011.500250] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2011.553246] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2011.606042] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2011.668389] [] ext4_fill_super+0x6154/0xa2df [ 2011.714971] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2011.766911] [] ? vsnprintf+0x1a0/0xa32 [ 2011.815519] [] ? pointer+0x7a9/0x7a9 [ 2011.855927] [] ? set_bdev_super+0x15d/0x15d [ 2011.917908] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2011.983866] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2012.040566] [] ? scnprintf+0xf3/0xf3 [ 2012.080239] [] mount_bdev+0x3cf/0x602 [ 2012.122951] [] ? mount_bdev+0x3cf/0x602 [ 2012.169962] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2012.222083] [] ext4_mount+0x3c/0x3e [ 2012.263596] [] mount_fs+0xd0/0x2ca [ 2012.296763] [] vfs_kern_mount+0xa0/0x20a [ 2012.329137] [] do_mount+0x11fe/0x19df [ 2012.367231] [] ? kasan_kmalloc+0x94/0xa3 [ 2012.409688] [] ? copy_mount_string+0x3d/0x3d [ 2012.447220] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2012.491166] [] ? __check_object_size+0x1e1/0x2b8 [ 2012.529188] [] ? 0xffffffffb1c002b8 [ 2012.566758] [] ? copy_mount_options+0x23d/0x24d [ 2012.615524] [] SyS_mount+0xa3/0xda [ 2012.660523] [] mount_block_root+0x2fc/0x650 [ 2012.706972] [] ? init_rootfs+0x99/0x99 [ 2012.757755] [] ? security_file_ioctl+0xa5/0xb4 [ 2012.816251] [] ? SyS_mknod+0x2f/0x36 [ 2012.862319] [] mount_root+0x45/0x48 [ 2012.901660] [] prepare_namespace+0x1cf/0x235 [ 2012.951429] [] kernel_init_freeable+0x4fa/0x518 [ 2013.005326] [] kernel_init+0x16/0x181 [ 2013.048050] [] ret_from_fork+0x1f/0x40 [ 2013.093958] [] ? rest_init+0x8f/0x8f [ 2013.141765] ================================================================================ [ 2013.217138] ================================================================================ [ 2013.283918] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2013.331617] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2013.407906] which requires 64 byte alignment [ 2013.439834] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2013.491489] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2013.568180] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2013.634115] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2013.694386] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2013.756049] Call Trace: [ 2013.778836] [] dump_stack+0xd7/0x132 [ 2013.821307] [] ? arch_local_irq_restore+0x1b/0x1b [ 2013.868299] [] ubsan_epilogue+0x12/0x53 [ 2013.912113] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2013.960783] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2014.014061] [] ext4_iget+0x60d/0x2717 [ 2014.050373] [] ? vprintk_default+0x65/0x6e [ 2014.091995] [] ? ext4_get_projid+0x137/0x137 [ 2014.132039] [] ? ubsan_epilogue+0x26/0x53 [ 2014.171365] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2014.223080] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2014.291564] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2014.351130] [] ext4_fill_super+0x6154/0xa2df [ 2014.399341] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2014.468041] [] ? vsnprintf+0x1a0/0xa32 [ 2014.515570] [] ? pointer+0x7a9/0x7a9 [ 2014.568309] [] ? set_bdev_super+0x15d/0x15d [ 2014.619048] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2014.678314] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2014.740354] [] ? scnprintf+0xf3/0xf3 [ 2014.779029] [] mount_bdev+0x3cf/0x602 [ 2014.824481] [] ? mount_bdev+0x3cf/0x602 [ 2014.870032] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2014.926646] [] ext4_mount+0x3c/0x3e [ 2014.972760] [] mount_fs+0xd0/0x2ca [ 2015.014907] [] vfs_kern_mount+0xa0/0x20a [ 2015.056513] [] do_mount+0x11fe/0x19df [ 2015.101699] [] ? kasan_kmalloc+0x94/0xa3 [ 2015.145728] [] ? copy_mount_string+0x3d/0x3d [ 2015.199509] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2015.244289] [] ? __check_object_size+0x1e1/0x2b8 [ 2015.302094] [] ? 0xffffffffb1c002b8 [ 2015.341074] [] ? copy_mount_options+0x23d/0x24d [ 2015.395302] [] SyS_mount+0xa3/0xda [ 2015.440954] [] mount_block_root+0x2fc/0x650 [ 2015.486431] [] ? init_rootfs+0x99/0x99 [ 2015.524332] [] ? security_file_ioctl+0xa5/0xb4 [ 2015.573291] [] ? SyS_mknod+0x2f/0x36 [ 2015.618990] [] mount_root+0x45/0x48 [ 2015.661150] [] prepare_namespace+0x1cf/0x235 [ 2015.705010] [] kernel_init_freeable+0x4fa/0x518 [ 2015.754158] [] kernel_init+0x16/0x181 [ 2015.800634] [] ret_from_fork+0x1f/0x40 [ 2015.845720] [] ? rest_init+0x8f/0x8f [ 2015.891845] ================================================================================ [ 2015.968114] ================================================================================ [ 2016.081665] UBSAN: Undefined behaviour in fs/ext4/inode.c:88:26 [ 2016.142710] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2016.234623] which requires 64 byte alignment [ 2016.275440] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2016.326611] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2016.396724] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2016.451376] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2016.504137] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2016.554434] Call Trace: [ 2016.569934] [] dump_stack+0xd7/0x132 [ 2016.606119] [] ? arch_local_irq_restore+0x1b/0x1b [ 2016.643845] [] ubsan_epilogue+0x12/0x53 [ 2016.683999] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2016.726854] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2016.795934] [] ext4_iget+0x63c/0x2717 [ 2016.839569] [] ? vprintk_default+0x65/0x6e [ 2016.889844] [] ? ext4_get_projid+0x137/0x137 [ 2016.938760] [] ? ubsan_epilogue+0x26/0x53 [ 2016.991056] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2017.065025] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2017.140524] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2017.213527] [] ext4_fill_super+0x6154/0xa2df [ 2017.263332] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2017.319694] [] ? vsnprintf+0x1a0/0xa32 [ 2017.367833] [] ? pointer+0x7a9/0x7a9 [ 2017.412325] [] ? set_bdev_super+0x15d/0x15d [ 2017.476791] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2017.525246] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2017.570384] [] ? scnprintf+0xf3/0xf3 [ 2017.604487] [] mount_bdev+0x3cf/0x602 [ 2017.643334] [] ? mount_bdev+0x3cf/0x602 [ 2017.679320] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2017.727606] [] ext4_mount+0x3c/0x3e [ 2017.756164] [] mount_fs+0xd0/0x2ca [ 2017.791678] [] vfs_kern_mount+0xa0/0x20a [ 2017.822994] [] do_mount+0x11fe/0x19df [ 2017.858103] [] ? kasan_kmalloc+0x94/0xa3 [ 2017.889537] [] ? copy_mount_string+0x3d/0x3d [ 2017.932338] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2017.969624] [] ? __check_object_size+0x1e1/0x2b8 [ 2018.012676] [] ? 0xffffffffb1c002b8 [ 2018.049110] [] ? copy_mount_options+0x23d/0x24d [ 2018.100651] [] SyS_mount+0xa3/0xda [ 2018.153640] [] mount_block_root+0x2fc/0x650 [ 2018.219617] [] ? init_rootfs+0x99/0x99 [ 2018.269761] [] ? security_file_ioctl+0xa5/0xb4 [ 2018.340675] [] ? SyS_mknod+0x2f/0x36 [ 2018.396349] [] mount_root+0x45/0x48 [ 2018.447211] [] prepare_namespace+0x1cf/0x235 [ 2018.499073] [] kernel_init_freeable+0x4fa/0x518 [ 2018.558162] [] kernel_init+0x16/0x181 [ 2018.603743] [] ret_from_fork+0x1f/0x40 [ 2018.642486] [] ? rest_init+0x8f/0x8f [ 2018.690278] ================================================================================ [ 2018.755827] ================================================================================ [ 2018.822378] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2018.873963] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2018.950507] which requires 64 byte alignment [ 2018.989963] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2019.044465] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2019.139166] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 2019.220757] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2019.276949] ffffffff00000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 2019.337968] Call Trace: [ 2019.356655] [] dump_stack+0xd7/0x132 [ 2019.392439] [] ? arch_local_irq_restore+0x1b/0x1b [ 2019.437217] [] ubsan_epilogue+0x12/0x53 [ 2019.479103] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2019.529629] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2019.581733] [] ext4_inode_csum+0xcc/0x389 [ 2019.638211] [] ? ext4_chksum+0x17a/0x17a [ 2019.695442] [] ext4_iget+0x6e6/0x2717 [ 2019.755833] [] ? vprintk_default+0x65/0x6e [ 2019.794689] [] ? ext4_get_projid+0x137/0x137 [ 2019.844719] [] ? ubsan_epilogue+0x26/0x53 [ 2019.892137] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2019.942578] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2019.986187] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2020.038287] [] ext4_fill_super+0x6154/0xa2df [ 2020.084840] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2020.127291] [] ? vsnprintf+0x1a0/0xa32 [ 2020.171417] [] ? pointer+0x7a9/0x7a9 [ 2020.211600] [] ? set_bdev_super+0x15d/0x15d [ 2020.249113] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2020.310542] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2020.375852] [] ? scnprintf+0xf3/0xf3 [ 2020.420277] [] mount_bdev+0x3cf/0x602 [ 2020.488624] [] ? mount_bdev+0x3cf/0x602 [ 2020.558548] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2020.638119] [] ext4_mount+0x3c/0x3e [ 2020.689192] [] mount_fs+0xd0/0x2ca [ 2020.726309] [] vfs_kern_mount+0xa0/0x20a [ 2020.762442] [] do_mount+0x11fe/0x19df [ 2020.794261] [] ? kasan_kmalloc+0x94/0xa3 [ 2020.834767] [] ? copy_mount_string+0x3d/0x3d [ 2020.867738] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2020.914598] [] ? __check_object_size+0x1e1/0x2b8 [ 2020.968431] [] ? 0xffffffffb1c002b8 [ 2021.007220] [] ? copy_mount_options+0x23d/0x24d [ 2021.058595] [] SyS_mount+0xa3/0xda [ 2021.097601] [] mount_block_root+0x2fc/0x650 [ 2021.157435] [] ? init_rootfs+0x99/0x99 [ 2021.200272] [] ? security_file_ioctl+0xa5/0xb4 [ 2021.264245] [] ? SyS_mknod+0x2f/0x36 [ 2021.325801] [] mount_root+0x45/0x48 [ 2021.369783] [] prepare_namespace+0x1cf/0x235 [ 2021.416810] [] kernel_init_freeable+0x4fa/0x518 [ 2021.475521] [] kernel_init+0x16/0x181 [ 2021.526375] [] ret_from_fork+0x1f/0x40 [ 2021.568724] [] ? rest_init+0x8f/0x8f [ 2021.614097] ================================================================================ [ 2021.691649] ================================================================================ [ 2021.756785] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2021.800299] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2021.861258] which requires 64 byte alignment [ 2021.892156] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2021.933043] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2022.000161] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 2022.055891] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2022.119520] 0000000000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 2022.179752] Call Trace: [ 2022.197488] [] dump_stack+0xd7/0x132 [ 2022.234714] [] ? arch_local_irq_restore+0x1b/0x1b [ 2022.278830] [] ubsan_epilogue+0x12/0x53 [ 2022.312433] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2022.362598] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2022.407900] [] ext4_inode_csum+0x1a1/0x389 [ 2022.445060] [] ? ext4_chksum+0x17a/0x17a [ 2022.483519] [] ext4_iget+0x6e6/0x2717 [ 2022.520739] [] ? vprintk_default+0x65/0x6e [ 2022.553231] [] ? ext4_get_projid+0x137/0x137 [ 2022.587492] [] ? ubsan_epilogue+0x26/0x53 [ 2022.631275] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2022.688724] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2022.743127] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2022.803687] [] ext4_fill_super+0x6154/0xa2df [ 2022.857894] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2022.914583] [] ? vsnprintf+0x1a0/0xa32 [ 2022.960387] [] ? pointer+0x7a9/0x7a9 [ 2023.001150] [] ? set_bdev_super+0x15d/0x15d [ 2023.047119] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2023.101730] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2023.157967] [] ? scnprintf+0xf3/0xf3 [ 2023.195604] [] mount_bdev+0x3cf/0x602 [ 2023.243750] [] ? mount_bdev+0x3cf/0x602 [ 2023.287738] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2023.340138] [] ext4_mount+0x3c/0x3e [ 2023.380298] [] mount_fs+0xd0/0x2ca [ 2023.417316] [] vfs_kern_mount+0xa0/0x20a [ 2023.458025] [] do_mount+0x11fe/0x19df [ 2023.488412] [] ? kasan_kmalloc+0x94/0xa3 [ 2023.528540] [] ? copy_mount_string+0x3d/0x3d [ 2023.567663] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2023.612769] [] ? __check_object_size+0x1e1/0x2b8 [ 2023.658154] [] ? 0xffffffffb1c002b8 [ 2023.691668] [] ? copy_mount_options+0x23d/0x24d [ 2023.736661] [] SyS_mount+0xa3/0xda [ 2023.780940] [] mount_block_root+0x2fc/0x650 [ 2023.819071] [] ? init_rootfs+0x99/0x99 [ 2023.852709] [] ? security_file_ioctl+0xa5/0xb4 [ 2023.896327] [] ? SyS_mknod+0x2f/0x36 [ 2023.934009] [] mount_root+0x45/0x48 [ 2023.959042] [] prepare_namespace+0x1cf/0x235 [ 2023.994153] [] kernel_init_freeable+0x4fa/0x518 [ 2024.045937] [] kernel_init+0x16/0x181 [ 2024.090172] [] ret_from_fork+0x1f/0x40 [ 2024.130573] [] ? rest_init+0x8f/0x8f [ 2024.174923] ================================================================================ [ 2024.242527] ================================================================================ [ 2024.316233] UBSAN: Undefined behaviour in fs/ext4/inode.c:65:6 [ 2024.374893] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2024.455993] which requires 64 byte alignment [ 2024.493529] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2024.539181] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2024.614102] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 2024.678959] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2024.733614] ffff880000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 2024.779245] Call Trace: [ 2024.796663] [] dump_stack+0xd7/0x132 [ 2024.831831] [] ? arch_local_irq_restore+0x1b/0x1b [ 2024.877415] [] ubsan_epilogue+0x12/0x53 [ 2024.914014] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2024.964239] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2025.013558] [] ext4_inode_csum+0x1e8/0x389 [ 2025.057088] [] ? ext4_chksum+0x17a/0x17a [ 2025.091883] [] ext4_iget+0x6e6/0x2717 [ 2025.131922] [] ? vprintk_default+0x65/0x6e [ 2025.165434] [] ? ext4_get_projid+0x137/0x137 [ 2025.210392] [] ? ubsan_epilogue+0x26/0x53 [ 2025.247802] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2025.290241] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2025.341148] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2025.394074] [] ext4_fill_super+0x6154/0xa2df [ 2025.434477] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2025.489144] [] ? vsnprintf+0x1a0/0xa32 [ 2025.521795] [] ? pointer+0x7a9/0x7a9 [ 2025.561263] [] ? set_bdev_super+0x15d/0x15d [ 2025.593647] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2025.639050] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2025.689614] [] ? scnprintf+0xf3/0xf3 [ 2025.722386] [] mount_bdev+0x3cf/0x602 [ 2025.757510] [] ? mount_bdev+0x3cf/0x602 [ 2025.794066] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2025.838573] [] ext4_mount+0x3c/0x3e [ 2025.873326] [] mount_fs+0xd0/0x2ca [ 2025.914056] [] vfs_kern_mount+0xa0/0x20a [ 2025.953083] [] do_mount+0x11fe/0x19df [ 2026.002922] [] ? kasan_kmalloc+0x94/0xa3 [ 2026.046647] [] ? copy_mount_string+0x3d/0x3d [ 2026.095558] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2026.146102] [] ? __check_object_size+0x1e1/0x2b8 [ 2026.213452] [] ? 0xffffffffb1c002b8 [ 2026.249817] [] ? copy_mount_options+0x23d/0x24d [ 2026.315401] [] SyS_mount+0xa3/0xda [ 2026.357330] [] mount_block_root+0x2fc/0x650 [ 2026.397995] [] ? init_rootfs+0x99/0x99 [ 2026.440433] [] ? security_file_ioctl+0xa5/0xb4 [ 2026.483448] [] ? SyS_mknod+0x2f/0x36 [ 2026.517502] [] mount_root+0x45/0x48 [ 2026.550491] [] prepare_namespace+0x1cf/0x235 [ 2026.598936] [] kernel_init_freeable+0x4fa/0x518 [ 2026.640365] [] kernel_init+0x16/0x181 [ 2026.675980] [] ret_from_fork+0x1f/0x40 [ 2026.711150] [] ? rest_init+0x8f/0x8f [ 2026.755295] ================================================================================ [ 2026.830690] ================================================================================ [ 2026.898035] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2026.938536] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2027.000982] which requires 64 byte alignment [ 2027.032080] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2027.065018] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2027.146003] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 2027.196653] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2027.257581] ffff880000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 2027.303962] Call Trace: [ 2027.319100] [] dump_stack+0xd7/0x132 [ 2027.359287] [] ? arch_local_irq_restore+0x1b/0x1b [ 2027.406781] [] ubsan_epilogue+0x12/0x53 [ 2027.441961] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2027.483145] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2027.536283] [] ext4_inode_csum+0x2d4/0x389 [ 2027.564625] [] ? ext4_chksum+0x17a/0x17a [ 2027.609468] [] ext4_iget+0x6e6/0x2717 [ 2027.649735] [] ? vprintk_default+0x65/0x6e [ 2027.688710] [] ? ext4_get_projid+0x137/0x137 [ 2027.727948] [] ? ubsan_epilogue+0x26/0x53 [ 2027.761158] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2027.813979] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2027.876971] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2027.925265] [] ext4_fill_super+0x6154/0xa2df [ 2027.964640] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2028.002863] [] ? vsnprintf+0x1a0/0xa32 [ 2028.038852] [] ? pointer+0x7a9/0x7a9 [ 2028.078248] [] ? set_bdev_super+0x15d/0x15d [ 2028.118692] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2028.182508] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2028.446936] [] ? scnprintf+0xf3/0xf3 [ 2028.574636] [] mount_bdev+0x3cf/0x602 [ 2028.647776] [] ? mount_bdev+0x3cf/0x602 [ 2028.697551] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2028.743627] [] ext4_mount+0x3c/0x3e [ 2028.784325] [] mount_fs+0xd0/0x2ca [ 2028.813775] [] vfs_kern_mount+0xa0/0x20a [ 2028.849564] [] do_mount+0x11fe/0x19df [ 2028.888045] [] ? kasan_kmalloc+0x94/0xa3 [ 2028.919777] [] ? copy_mount_string+0x3d/0x3d [ 2028.960038] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2029.003372] [] ? __check_object_size+0x1e1/0x2b8 [ 2029.039475] [] ? 0xffffffffb1c002b8 [ 2029.071055] [] ? copy_mount_options+0x23d/0x24d [ 2029.115084] [] SyS_mount+0xa3/0xda [ 2029.159776] [] mount_block_root+0x2fc/0x650 [ 2029.215719] [] ? init_rootfs+0x99/0x99 [ 2029.274377] [] ? security_file_ioctl+0xa5/0xb4 [ 2029.344450] [] ? SyS_mknod+0x2f/0x36 [ 2029.418211] [] mount_root+0x45/0x48 [ 2029.488968] [] prepare_namespace+0x1cf/0x235 [ 2029.528738] [] kernel_init_freeable+0x4fa/0x518 [ 2029.579133] [] kernel_init+0x16/0x181 [ 2029.615701] [] ret_from_fork+0x1f/0x40 [ 2029.661576] [] ? rest_init+0x8f/0x8f [ 2029.703236] ================================================================================ [ 2029.767120] ================================================================================ [ 2029.841366] UBSAN: Undefined behaviour in fs/ext4/inode.c:75:9 [ 2029.884176] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2029.949853] which requires 64 byte alignment [ 2029.981770] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2030.034920] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2030.114828] 00000000ffffffff 00000000b1a89c60 ffff88005c9df510 ffffffffb26ec5cc [ 2030.176302] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2030.231447] ffff880000000010 ffff88005c9df538 ffff88005c9df4e8 ffffffffb363c3e0 [ 2030.290919] Call Trace: [ 2030.306092] [] dump_stack+0xd7/0x132 [ 2030.344672] [] ? arch_local_irq_restore+0x1b/0x1b [ 2030.388728] [] ubsan_epilogue+0x12/0x53 [ 2030.427478] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2030.468566] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2030.529649] [] ext4_inode_csum+0x300/0x389 [ 2030.578727] [] ? ext4_chksum+0x17a/0x17a [ 2030.616570] [] ext4_iget+0x6e6/0x2717 [ 2030.664452] [] ? vprintk_default+0x65/0x6e [ 2030.711836] [] ? ext4_get_projid+0x137/0x137 [ 2030.749491] [] ? ubsan_epilogue+0x26/0x53 [ 2030.793759] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2030.849527] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2030.901387] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2030.954149] [] ext4_fill_super+0x6154/0xa2df [ 2031.002328] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2031.060681] [] ? vsnprintf+0x1a0/0xa32 [ 2031.113640] [] ? pointer+0x7a9/0x7a9 [ 2031.161590] [] ? set_bdev_super+0x15d/0x15d [ 2031.214525] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2031.270121] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2031.326417] [] ? scnprintf+0xf3/0xf3 [ 2031.373434] [] mount_bdev+0x3cf/0x602 [ 2031.435529] [] ? mount_bdev+0x3cf/0x602 [ 2031.499111] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2031.553696] [] ext4_mount+0x3c/0x3e [ 2031.592722] [] mount_fs+0xd0/0x2ca [ 2031.633372] [] vfs_kern_mount+0xa0/0x20a [ 2031.678573] [] do_mount+0x11fe/0x19df [ 2031.720768] [] ? kasan_kmalloc+0x94/0xa3 [ 2031.765353] [] ? copy_mount_string+0x3d/0x3d [ 2031.817062] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2031.863702] [] ? __check_object_size+0x1e1/0x2b8 [ 2031.915182] [] ? 0xffffffffb1c002b8 [ 2031.960858] [] ? copy_mount_options+0x23d/0x24d [ 2032.012092] [] SyS_mount+0xa3/0xda [ 2032.051071] [] mount_block_root+0x2fc/0x650 [ 2032.099232] [] ? init_rootfs+0x99/0x99 [ 2032.146635] [] ? security_file_ioctl+0xa5/0xb4 [ 2032.195365] [] ? SyS_mknod+0x2f/0x36 [ 2032.229758] [] mount_root+0x45/0x48 [ 2032.271233] [] prepare_namespace+0x1cf/0x235 [ 2032.315371] [] kernel_init_freeable+0x4fa/0x518 [ 2032.361458] [] kernel_init+0x16/0x181 [ 2032.399104] [] ret_from_fork+0x1f/0x40 [ 2032.433892] [] ? rest_init+0x8f/0x8f [ 2032.467813] ================================================================================ [ 2032.527699] ================================================================================ [ 2032.590226] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2032.631677] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2032.694770] which requires 64 byte alignment [ 2032.728427] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2032.772944] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2032.850670] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2032.915218] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2032.986100] 0000000000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2033.057335] Call Trace: [ 2033.085714] [] dump_stack+0xd7/0x132 [ 2033.127624] [] ? arch_local_irq_restore+0x1b/0x1b [ 2033.177151] [] ubsan_epilogue+0x12/0x53 [ 2033.216645] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2033.269971] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2033.325088] [] ext4_iget+0x729/0x2717 [ 2033.363196] [] ? vprintk_default+0x65/0x6e [ 2033.409437] [] ? ext4_get_projid+0x137/0x137 [ 2033.451776] [] ? ubsan_epilogue+0x26/0x53 [ 2033.491250] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2033.541012] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2033.600035] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2033.665824] [] ext4_fill_super+0x6154/0xa2df [ 2033.717364] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2033.781110] [] ? vsnprintf+0x1a0/0xa32 [ 2033.827244] [] ? pointer+0x7a9/0x7a9 [ 2033.870025] [] ? set_bdev_super+0x15d/0x15d [ 2033.914798] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2033.964800] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2034.028260] [] ? scnprintf+0xf3/0xf3 [ 2034.074841] [] mount_bdev+0x3cf/0x602 [ 2034.110414] [] ? mount_bdev+0x3cf/0x602 [ 2034.154385] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2034.205689] [] ext4_mount+0x3c/0x3e [ 2034.286025] [] mount_fs+0xd0/0x2ca [ 2034.419315] [] vfs_kern_mount+0xa0/0x20a [ 2034.547668] [] do_mount+0x11fe/0x19df [ 2034.601376] [] ? kasan_kmalloc+0x94/0xa3 [ 2034.683310] [] ? copy_mount_string+0x3d/0x3d [ 2034.781539] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2034.833815] [] ? __check_object_size+0x1e1/0x2b8 [ 2034.881106] [] ? 0xffffffffb1c002b8 [ 2034.914441] [] ? copy_mount_options+0x23d/0x24d [ 2034.964520] [] SyS_mount+0xa3/0xda [ 2034.998837] [] mount_block_root+0x2fc/0x650 [ 2035.042339] [] ? init_rootfs+0x99/0x99 [ 2035.087522] [] ? security_file_ioctl+0xa5/0xb4 [ 2035.135381] [] ? SyS_mknod+0x2f/0x36 [ 2035.177202] [] mount_root+0x45/0x48 [ 2035.215046] [] prepare_namespace+0x1cf/0x235 [ 2035.279960] [] kernel_init_freeable+0x4fa/0x518 [ 2035.336286] [] kernel_init+0x16/0x181 [ 2035.377684] [] ret_from_fork+0x1f/0x40 [ 2035.426996] [] ? rest_init+0x8f/0x8f [ 2035.470642] ================================================================================ [ 2035.570526] ================================================================================ [ 2035.915324] UBSAN: Undefined behaviour in fs/ext4/inode.c:95:6 [ 2036.100040] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2036.198137] which requires 64 byte alignment [ 2036.233397] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2036.283751] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2036.366798] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2036.436462] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2036.503844] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2036.567501] Call Trace: [ 2036.588530] [] dump_stack+0xd7/0x132 [ 2036.630377] [] ? arch_local_irq_restore+0x1b/0x1b [ 2036.679157] [] ubsan_epilogue+0x12/0x53 [ 2036.717270] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2036.777977] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2036.839411] [] ext4_iget+0x756/0x2717 [ 2036.887713] [] ? vprintk_default+0x65/0x6e [ 2036.937232] [] ? ext4_get_projid+0x137/0x137 [ 2036.987975] [] ? ubsan_epilogue+0x26/0x53 [ 2037.047639] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2037.106859] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2037.169539] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2037.228997] [] ext4_fill_super+0x6154/0xa2df [ 2037.267563] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2037.325848] [] ? vsnprintf+0x1a0/0xa32 [ 2037.372065] [] ? pointer+0x7a9/0x7a9 [ 2037.408331] [] ? set_bdev_super+0x15d/0x15d [ 2037.448358] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2037.500563] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2037.553695] [] ? scnprintf+0xf3/0xf3 [ 2037.595838] [] mount_bdev+0x3cf/0x602 [ 2037.628849] [] ? mount_bdev+0x3cf/0x602 [ 2037.678543] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2037.731137] [] ext4_mount+0x3c/0x3e [ 2037.766206] [] mount_fs+0xd0/0x2ca [ 2037.803393] [] vfs_kern_mount+0xa0/0x20a [ 2037.845872] [] do_mount+0x11fe/0x19df [ 2037.884176] [] ? kasan_kmalloc+0x94/0xa3 [ 2037.921768] [] ? copy_mount_string+0x3d/0x3d [ 2037.966862] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2038.015184] [] ? __check_object_size+0x1e1/0x2b8 [ 2038.072202] [] ? 0xffffffffb1c002b8 [ 2038.111939] [] ? copy_mount_options+0x23d/0x24d [ 2038.158903] [] SyS_mount+0xa3/0xda [ 2038.194306] [] mount_block_root+0x2fc/0x650 [ 2038.239859] [] ? init_rootfs+0x99/0x99 [ 2038.280040] [] ? security_file_ioctl+0xa5/0xb4 [ 2038.318073] [] ? SyS_mknod+0x2f/0x36 [ 2038.360253] [] mount_root+0x45/0x48 [ 2038.392470] [] prepare_namespace+0x1cf/0x235 [ 2038.434956] [] kernel_init_freeable+0x4fa/0x518 [ 2038.481641] [] kernel_init+0x16/0x181 [ 2038.529080] [] ret_from_fork+0x1f/0x40 [ 2038.573810] [] ? rest_init+0x8f/0x8f [ 2038.613860] ================================================================================ [ 2038.684764] ================================================================================ [ 2038.749374] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2038.786438] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2038.855111] which requires 64 byte alignment [ 2038.891272] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2038.938543] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2039.024865] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2039.085094] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2039.148511] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2039.215390] Call Trace: [ 2039.241453] [] dump_stack+0xd7/0x132 [ 2039.289919] [] ? arch_local_irq_restore+0x1b/0x1b [ 2039.343904] [] ubsan_epilogue+0x12/0x53 [ 2039.391524] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2039.447486] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2039.508446] [] ext4_iget+0x900/0x2717 [ 2039.548781] [] ? vprintk_default+0x65/0x6e [ 2039.598139] [] ? ext4_get_projid+0x137/0x137 [ 2039.647408] [] ? ubsan_epilogue+0x26/0x53 [ 2039.691031] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2039.753509] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2039.811980] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2039.868556] [] ext4_fill_super+0x6154/0xa2df [ 2039.919992] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2039.973265] [] ? vsnprintf+0x1a0/0xa32 [ 2040.019054] [] ? pointer+0x7a9/0x7a9 [ 2040.064909] [] ? set_bdev_super+0x15d/0x15d [ 2040.107729] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2040.154575] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2040.211017] [] ? scnprintf+0xf3/0xf3 [ 2040.248145] [] mount_bdev+0x3cf/0x602 [ 2040.291918] [] ? mount_bdev+0x3cf/0x602 [ 2040.336231] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2040.374593] [] ext4_mount+0x3c/0x3e [ 2040.409720] [] mount_fs+0xd0/0x2ca [ 2040.446433] [] vfs_kern_mount+0xa0/0x20a [ 2040.488215] [] do_mount+0x11fe/0x19df [ 2040.531162] [] ? kasan_kmalloc+0x94/0xa3 [ 2040.571881] [] ? copy_mount_string+0x3d/0x3d [ 2040.616922] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2040.661393] [] ? __check_object_size+0x1e1/0x2b8 [ 2040.705154] [] ? 0xffffffffb1c002b8 [ 2040.742654] [] ? copy_mount_options+0x23d/0x24d [ 2040.937191] [] SyS_mount+0xa3/0xda [ 2040.996986] [] mount_block_root+0x2fc/0x650 [ 2041.061143] [] ? init_rootfs+0x99/0x99 [ 2041.112791] [] ? security_file_ioctl+0xa5/0xb4 [ 2041.171848] [] ? SyS_mknod+0x2f/0x36 [ 2041.234136] [] mount_root+0x45/0x48 [ 2041.276699] [] prepare_namespace+0x1cf/0x235 [ 2041.332569] [] kernel_init_freeable+0x4fa/0x518 [ 2041.385296] [] kernel_init+0x16/0x181 [ 2041.429431] [] ret_from_fork+0x1f/0x40 [ 2041.469837] [] ? rest_init+0x8f/0x8f [ 2041.520568] ================================================================================ [ 2041.600967] ================================================================================ [ 2041.674454] UBSAN: Undefined behaviour in fs/ext4/inode.c:4494:6 [ 2041.727087] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2041.800285] which requires 64 byte alignment [ 2041.836317] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2041.887306] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2041.969885] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2042.033961] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2042.094418] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2042.162054] Call Trace: [ 2042.180788] [] dump_stack+0xd7/0x132 [ 2042.220986] [] ? arch_local_irq_restore+0x1b/0x1b [ 2042.272766] [] ubsan_epilogue+0x12/0x53 [ 2042.327290] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2042.384685] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2042.472157] [] ext4_iget+0x934/0x2717 [ 2042.535772] [] ? vprintk_default+0x65/0x6e [ 2042.600645] [] ? ext4_get_projid+0x137/0x137 [ 2042.680133] [] ? ubsan_epilogue+0x26/0x53 [ 2042.767600] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2042.912728] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2043.052801] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2043.115111] [] ext4_fill_super+0x6154/0xa2df [ 2043.187749] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2043.254961] [] ? vsnprintf+0x1a0/0xa32 [ 2043.305691] [] ? pointer+0x7a9/0x7a9 [ 2043.353385] [] ? set_bdev_super+0x15d/0x15d [ 2043.408151] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2043.475185] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2043.555334] [] ? scnprintf+0xf3/0xf3 [ 2043.599681] [] mount_bdev+0x3cf/0x602 [ 2043.648456] [] ? mount_bdev+0x3cf/0x602 [ 2043.688688] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2043.734199] [] ext4_mount+0x3c/0x3e [ 2043.774954] [] mount_fs+0xd0/0x2ca [ 2043.815000] [] vfs_kern_mount+0xa0/0x20a [ 2043.861756] [] do_mount+0x11fe/0x19df [ 2043.910298] [] ? kasan_kmalloc+0x94/0xa3 [ 2043.955853] [] ? copy_mount_string+0x3d/0x3d [ 2044.006414] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2044.067144] [] ? __check_object_size+0x1e1/0x2b8 [ 2044.124789] [] ? 0xffffffffb1c002b8 [ 2044.178115] [] ? copy_mount_options+0x23d/0x24d [ 2044.247761] [] SyS_mount+0xa3/0xda [ 2044.299521] [] mount_block_root+0x2fc/0x650 [ 2044.353519] [] ? init_rootfs+0x99/0x99 [ 2044.399807] [] ? security_file_ioctl+0xa5/0xb4 [ 2044.455710] [] ? SyS_mknod+0x2f/0x36 [ 2044.493904] [] mount_root+0x45/0x48 [ 2044.547381] [] prepare_namespace+0x1cf/0x235 [ 2044.607405] [] kernel_init_freeable+0x4fa/0x518 [ 2044.658063] [] kernel_init+0x16/0x181 [ 2044.701228] [] ret_from_fork+0x1f/0x40 [ 2044.745663] [] ? rest_init+0x8f/0x8f [ 2044.779658] ================================================================================ [ 2044.848097] ================================================================================ [ 2044.914463] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2044.959741] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2045.039080] which requires 64 byte alignment [ 2045.072416] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2045.124062] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2045.202828] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2045.267595] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2045.336037] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2045.405960] Call Trace: [ 2045.424780] [] dump_stack+0xd7/0x132 [ 2045.465320] [] ? arch_local_irq_restore+0x1b/0x1b [ 2045.513828] [] ubsan_epilogue+0x12/0x53 [ 2045.566072] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2045.629720] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2045.688471] [] ext4_iget+0xaaa/0x2717 [ 2045.737135] [] ? vprintk_default+0x65/0x6e [ 2045.780909] [] ? ext4_get_projid+0x137/0x137 [ 2045.829745] [] ? ubsan_epilogue+0x26/0x53 [ 2045.857847] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2045.897450] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2045.921807] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2045.948741] [] ext4_fill_super+0x6154/0xa2df [ 2045.969164] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2045.998225] [] ? vsnprintf+0x1a0/0xa32 [ 2046.017381] [] ? pointer+0x7a9/0x7a9 [ 2046.036244] [] ? set_bdev_super+0x15d/0x15d [ 2046.059754] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2046.086132] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2046.113821] [] ? scnprintf+0xf3/0xf3 [ 2046.134338] [] mount_bdev+0x3cf/0x602 [ 2046.157046] [] ? mount_bdev+0x3cf/0x602 [ 2046.176120] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2046.204159] [] ext4_mount+0x3c/0x3e [ 2046.225589] [] mount_fs+0xd0/0x2ca [ 2046.244246] [] vfs_kern_mount+0xa0/0x20a [ 2046.264253] [] do_mount+0x11fe/0x19df [ 2046.282358] [] ? kasan_kmalloc+0x94/0xa3 [ 2046.303464] [] ? copy_mount_string+0x3d/0x3d [ 2046.324293] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2046.342945] [] ? __check_object_size+0x1e1/0x2b8 [ 2046.362896] [] ? 0xffffffffb1c002b8 [ 2046.376121] [] ? copy_mount_options+0x23d/0x24d [ 2046.395421] [] SyS_mount+0xa3/0xda [ 2046.413797] [] mount_block_root+0x2fc/0x650 [ 2046.429989] [] ? init_rootfs+0x99/0x99 [ 2046.446560] [] ? security_file_ioctl+0xa5/0xb4 [ 2046.465414] [] ? SyS_mknod+0x2f/0x36 [ 2046.479311] [] mount_root+0x45/0x48 [ 2046.495523] [] prepare_namespace+0x1cf/0x235 [ 2046.510852] [] kernel_init_freeable+0x4fa/0x518 [ 2046.528305] [] kernel_init+0x16/0x181 [ 2046.546364] [] ret_from_fork+0x1f/0x40 [ 2046.561174] [] ? rest_init+0x8f/0x8f [ 2046.576085] ================================================================================ [ 2046.603546] ================================================================================ [ 2046.627716] UBSAN: Undefined behaviour in fs/ext4/inode.c:4501:8 [ 2046.647133] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2046.675213] which requires 64 byte alignment [ 2046.688787] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2046.708671] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2046.739746] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2046.765895] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2046.791843] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2046.826280] Call Trace: [ 2046.835117] [] dump_stack+0xd7/0x132 [ 2046.854408] [] ? arch_local_irq_restore+0x1b/0x1b [ 2046.880676] [] ubsan_epilogue+0x12/0x53 [ 2046.902958] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2046.929492] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2046.965364] [] ext4_iget+0xad9/0x2717 [ 2046.986755] [] ? vprintk_default+0x65/0x6e [ 2047.018314] [] ? ext4_get_projid+0x137/0x137 [ 2047.042677] [] ? ubsan_epilogue+0x26/0x53 [ 2047.062583] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2047.092108] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2047.118189] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2047.144102] [] ext4_fill_super+0x6154/0xa2df [ 2047.159061] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2047.183373] [] ? vsnprintf+0x1a0/0xa32 [ 2047.203060] [] ? pointer+0x7a9/0x7a9 [ 2047.220144] [] ? set_bdev_super+0x15d/0x15d [ 2047.239903] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2047.261659] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2047.284732] [] ? scnprintf+0xf3/0xf3 [ 2047.301044] [] mount_bdev+0x3cf/0x602 [ 2047.315359] [] ? mount_bdev+0x3cf/0x602 [ 2047.334200] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2047.356097] [] ext4_mount+0x3c/0x3e [ 2047.371430] [] mount_fs+0xd0/0x2ca [ 2047.388019] [] vfs_kern_mount+0xa0/0x20a [ 2047.411908] [] do_mount+0x11fe/0x19df [ 2047.437671] [] ? kasan_kmalloc+0x94/0xa3 [ 2047.456025] [] ? copy_mount_string+0x3d/0x3d [ 2047.477844] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2047.498502] [] ? __check_object_size+0x1e1/0x2b8 [ 2047.520924] [] ? 0xffffffffb1c002b8 [ 2047.541841] [] ? copy_mount_options+0x23d/0x24d [ 2047.562415] [] SyS_mount+0xa3/0xda [ 2047.578823] [] mount_block_root+0x2fc/0x650 [ 2047.601001] [] ? init_rootfs+0x99/0x99 [ 2047.618422] [] ? security_file_ioctl+0xa5/0xb4 [ 2047.635121] [] ? SyS_mknod+0x2f/0x36 [ 2047.655260] [] mount_root+0x45/0x48 [ 2047.674022] [] prepare_namespace+0x1cf/0x235 [ 2047.695602] [] kernel_init_freeable+0x4fa/0x518 [ 2047.715921] [] kernel_init+0x16/0x181 [ 2047.733640] [] ret_from_fork+0x1f/0x40 [ 2047.751426] [] ? rest_init+0x8f/0x8f [ 2047.771740] ================================================================================ [ 2047.799875] ================================================================================ [ 2047.833154] UBSAN: Undefined behaviour in ./include/linux/fs.h:1456:17 [ 2047.855485] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2047.887084] which requires 64 byte alignment [ 2047.901444] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2047.921329] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2047.953295] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2047.979414] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2048.004385] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2048.033270] Call Trace: [ 2048.040137] [] dump_stack+0xd7/0x132 [ 2048.056571] [] ? arch_local_irq_restore+0x1b/0x1b [ 2048.079673] [] ubsan_epilogue+0x12/0x53 [ 2048.098652] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2048.119705] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2048.144618] [] ext4_iget+0xb88/0x2717 [ 2048.161210] [] ? vprintk_default+0x65/0x6e [ 2048.183610] [] ? ext4_get_projid+0x137/0x137 [ 2048.201361] [] ? ubsan_epilogue+0x26/0x53 [ 2048.220960] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2048.242562] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2048.267106] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2048.291158] [] ext4_fill_super+0x6154/0xa2df [ 2048.308900] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2048.333504] [] ? vsnprintf+0x1a0/0xa32 [ 2048.352528] [] ? pointer+0x7a9/0x7a9 [ 2048.369342] [] ? set_bdev_super+0x15d/0x15d [ 2048.387909] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2048.410589] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2048.435198] [] ? scnprintf+0xf3/0xf3 [ 2048.453676] [] mount_bdev+0x3cf/0x602 [ 2048.470130] [] ? mount_bdev+0x3cf/0x602 [ 2048.486673] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2048.505986] [] ext4_mount+0x3c/0x3e [ 2048.521268] [] mount_fs+0xd0/0x2ca [ 2048.538364] [] vfs_kern_mount+0xa0/0x20a [ 2048.556367] [] do_mount+0x11fe/0x19df [ 2048.573312] [] ? kasan_kmalloc+0x94/0xa3 [ 2048.589087] [] ? copy_mount_string+0x3d/0x3d [ 2048.607332] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2048.625593] [] ? __check_object_size+0x1e1/0x2b8 [ 2048.644987] [] ? 0xffffffffb1c002b8 [ 2048.661608] [] ? copy_mount_options+0x23d/0x24d [ 2048.681685] [] SyS_mount+0xa3/0xda [ 2048.694403] [] mount_block_root+0x2fc/0x650 [ 2048.714312] [] ? init_rootfs+0x99/0x99 [ 2048.729481] [] ? security_file_ioctl+0xa5/0xb4 [ 2048.749518] [] ? SyS_mknod+0x2f/0x36 [ 2048.765138] [] mount_root+0x45/0x48 [ 2048.777958] [] prepare_namespace+0x1cf/0x235 [ 2048.796861] [] kernel_init_freeable+0x4fa/0x518 [ 2048.816475] [] kernel_init+0x16/0x181 [ 2048.832325] [] ret_from_fork+0x1f/0x40 [ 2048.849526] [] ? rest_init+0x8f/0x8f [ 2048.867281] ================================================================================ [ 2048.891554] ================================================================================ [ 2048.917519] UBSAN: Undefined behaviour in ./include/linux/fs.h:1461:17 [ 2048.936422] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2048.967409] which requires 64 byte alignment [ 2048.979384] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2048.998110] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2049.029213] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2049.053789] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2049.077612] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2049.101017] Call Trace: [ 2049.108371] [] dump_stack+0xd7/0x132 [ 2049.126094] [] ? arch_local_irq_restore+0x1b/0x1b [ 2049.147299] [] ubsan_epilogue+0x12/0x53 [ 2049.164581] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2049.186986] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2049.210002] [] ? map_id_down+0x11c/0x12b [ 2049.228119] [] ext4_iget+0xc10/0x2717 [ 2049.245339] [] ? vprintk_default+0x65/0x6e [ 2049.262239] [] ? ext4_get_projid+0x137/0x137 [ 2049.279766] [] ? ubsan_epilogue+0x26/0x53 [ 2049.298389] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2049.320768] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2049.343569] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2049.367693] [] ext4_fill_super+0x6154/0xa2df [ 2049.386767] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2049.408090] [] ? vsnprintf+0x1a0/0xa32 [ 2049.425737] [] ? pointer+0x7a9/0x7a9 [ 2049.443970] [] ? set_bdev_super+0x15d/0x15d [ 2049.460190] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2049.484220] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2049.505999] [] ? scnprintf+0xf3/0xf3 [ 2049.521374] [] mount_bdev+0x3cf/0x602 [ 2049.538237] [] ? mount_bdev+0x3cf/0x602 [ 2049.556189] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2049.577236] [] ext4_mount+0x3c/0x3e [ 2049.591153] [] mount_fs+0xd0/0x2ca [ 2049.607999] [] vfs_kern_mount+0xa0/0x20a [ 2049.625830] [] do_mount+0x11fe/0x19df [ 2049.643090] [] ? kasan_kmalloc+0x94/0xa3 [ 2049.660426] [] ? copy_mount_string+0x3d/0x3d [ 2049.678670] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2049.697819] [] ? __check_object_size+0x1e1/0x2b8 [ 2049.714274] [] ? 0xffffffffb1c002b8 [ 2049.728397] [] ? copy_mount_options+0x23d/0x24d [ 2049.750513] [] SyS_mount+0xa3/0xda [ 2049.766406] [] mount_block_root+0x2fc/0x650 [ 2049.785764] [] ? init_rootfs+0x99/0x99 [ 2049.804204] [] ? security_file_ioctl+0xa5/0xb4 [ 2049.827037] [] ? SyS_mknod+0x2f/0x36 [ 2049.845307] [] mount_root+0x45/0x48 [ 2049.863121] [] prepare_namespace+0x1cf/0x235 [ 2049.883954] [] kernel_init_freeable+0x4fa/0x518 [ 2049.906591] [] kernel_init+0x16/0x181 [ 2049.926602] [] ret_from_fork+0x1f/0x40 [ 2049.947874] [] ? rest_init+0x8f/0x8f [ 2049.966602] ================================================================================ [ 2049.997239] ================================================================================ [ 2050.026845] UBSAN: Undefined behaviour in fs/ext4/inode.c:4507:17 [ 2050.048329] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2050.080584] which requires 64 byte alignment [ 2050.098202] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2050.120757] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2050.155662] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2050.184442] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2050.211849] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2050.239421] Call Trace: [ 2050.250280] [] dump_stack+0xd7/0x132 [ 2050.266852] [] ? arch_local_irq_restore+0x1b/0x1b [ 2050.290732] [] ubsan_epilogue+0x12/0x53 [ 2050.309562] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2050.334133] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2050.362692] [] ? map_id_down+0x11c/0x12b [ 2050.381391] [] ext4_iget+0xc7e/0x2717 [ 2050.400971] [] ? vprintk_default+0x65/0x6e [ 2050.419231] [] ? ext4_get_projid+0x137/0x137 [ 2050.439917] [] ? ubsan_epilogue+0x26/0x53 [ 2050.455719] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2050.477094] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2050.497278] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2050.516983] [] ext4_fill_super+0x6154/0xa2df [ 2050.533154] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2050.552148] [] ? vsnprintf+0x1a0/0xa32 [ 2050.568398] [] ? pointer+0x7a9/0x7a9 [ 2050.582669] [] ? set_bdev_super+0x15d/0x15d [ 2050.599635] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2050.620506] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2050.643248] [] ? scnprintf+0xf3/0xf3 [ 2050.658503] [] mount_bdev+0x3cf/0x602 [ 2050.676603] [] ? mount_bdev+0x3cf/0x602 [ 2050.695736] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2050.713705] [] ext4_mount+0x3c/0x3e [ 2050.729424] [] mount_fs+0xd0/0x2ca [ 2050.745754] [] vfs_kern_mount+0xa0/0x20a [ 2050.761473] [] do_mount+0x11fe/0x19df [ 2050.777603] [] ? kasan_kmalloc+0x94/0xa3 [ 2050.793835] [] ? copy_mount_string+0x3d/0x3d [ 2050.814028] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2050.836038] [] ? __check_object_size+0x1e1/0x2b8 [ 2050.857416] [] ? 0xffffffffb1c002b8 [ 2050.876577] [] ? copy_mount_options+0x23d/0x24d [ 2050.900810] [] SyS_mount+0xa3/0xda [ 2050.917088] [] mount_block_root+0x2fc/0x650 [ 2050.937381] [] ? init_rootfs+0x99/0x99 [ 2050.954802] [] ? security_file_ioctl+0xa5/0xb4 [ 2050.976209] [] ? SyS_mknod+0x2f/0x36 [ 2050.995108] [] mount_root+0x45/0x48 [ 2051.019923] [] prepare_namespace+0x1cf/0x235 [ 2051.040802] [] kernel_init_freeable+0x4fa/0x518 [ 2051.061812] [] kernel_init+0x16/0x181 [ 2051.081816] [] ret_from_fork+0x1f/0x40 [ 2051.099739] [] ? rest_init+0x8f/0x8f [ 2051.117628] ================================================================================ [ 2051.149783] ================================================================================ [ 2051.179197] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2051.200961] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2051.235824] which requires 64 byte alignment [ 2051.248667] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2051.266064] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2051.292821] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2051.322304] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2051.343950] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2051.365673] Call Trace: [ 2051.373028] [] dump_stack+0xd7/0x132 [ 2051.389985] [] ? arch_local_irq_restore+0x1b/0x1b [ 2051.409648] [] ubsan_epilogue+0x12/0x53 [ 2051.426913] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2051.445437] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2051.468661] [] ? map_id_down+0x11c/0x12b [ 2051.489887] [] ext4_iget+0xe8d/0x2717 [ 2051.505106] [] ? ext4_get_projid+0x137/0x137 [ 2051.523541] [] ? ubsan_epilogue+0x26/0x53 [ 2051.540599] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2051.561004] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2051.584913] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2051.606771] [] ext4_fill_super+0x6154/0xa2df [ 2051.624520] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2051.644034] [] ? vsnprintf+0x1a0/0xa32 [ 2051.660587] [] ? pointer+0x7a9/0x7a9 [ 2051.681666] [] ? set_bdev_super+0x15d/0x15d [ 2051.701313] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2051.728396] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2051.754269] [] ? scnprintf+0xf3/0xf3 [ 2051.773247] [] mount_bdev+0x3cf/0x602 [ 2051.791824] [] ? mount_bdev+0x3cf/0x602 [ 2051.811640] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2051.833542] [] ext4_mount+0x3c/0x3e [ 2051.852669] [] mount_fs+0xd0/0x2ca [ 2051.870817] [] vfs_kern_mount+0xa0/0x20a [ 2051.890140] [] do_mount+0x11fe/0x19df [ 2051.911948] [] ? kasan_kmalloc+0x94/0xa3 [ 2051.932118] [] ? copy_mount_string+0x3d/0x3d [ 2051.954923] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2051.977109] [] ? __check_object_size+0x1e1/0x2b8 [ 2052.000517] [] ? 0xffffffffb1c002b8 [ 2052.021489] [] ? copy_mount_options+0x23d/0x24d [ 2052.041446] [] SyS_mount+0xa3/0xda [ 2052.056825] [] mount_block_root+0x2fc/0x650 [ 2052.073022] [] ? init_rootfs+0x99/0x99 [ 2052.089032] [] ? security_file_ioctl+0xa5/0xb4 [ 2052.106265] [] ? SyS_mknod+0x2f/0x36 [ 2052.122777] [] mount_root+0x45/0x48 [ 2052.136549] [] prepare_namespace+0x1cf/0x235 [ 2052.154175] [] kernel_init_freeable+0x4fa/0x518 [ 2052.173439] [] kernel_init+0x16/0x181 [ 2052.188658] [] ret_from_fork+0x1f/0x40 [ 2052.206590] [] ? rest_init+0x8f/0x8f [ 2052.222543] ================================================================================ [ 2052.247575] ================================================================================ [ 2052.273753] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1765:1 [ 2052.291195] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2052.317362] which requires 64 byte alignment [ 2052.332590] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2052.351762] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2052.380726] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2052.404168] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2052.429405] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2052.456809] Call Trace: [ 2052.467611] [] dump_stack+0xd7/0x132 [ 2052.487401] [] ? arch_local_irq_restore+0x1b/0x1b [ 2052.509637] [] ubsan_epilogue+0x12/0x53 [ 2052.527501] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2052.551340] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2052.577154] [] ? map_id_down+0x11c/0x12b [ 2052.598570] [] ext4_iget+0xebc/0x2717 [ 2052.618912] [] ? ext4_get_projid+0x137/0x137 [ 2052.640658] [] ? ubsan_epilogue+0x26/0x53 [ 2052.659101] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2052.689099] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2052.715171] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2052.740858] [] ext4_fill_super+0x6154/0xa2df [ 2052.760241] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2052.783825] [] ? vsnprintf+0x1a0/0xa32 [ 2052.805257] [] ? pointer+0x7a9/0x7a9 [ 2052.821574] [] ? set_bdev_super+0x15d/0x15d [ 2052.839941] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2052.862284] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2052.884790] [] ? scnprintf+0xf3/0xf3 [ 2052.901446] [] mount_bdev+0x3cf/0x602 [ 2052.917793] [] ? mount_bdev+0x3cf/0x602 [ 2052.931184] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2052.950189] [] ext4_mount+0x3c/0x3e [ 2052.962130] [] mount_fs+0xd0/0x2ca [ 2052.976136] [] vfs_kern_mount+0xa0/0x20a [ 2052.991483] [] do_mount+0x11fe/0x19df [ 2053.007669] [] ? kasan_kmalloc+0x94/0xa3 [ 2053.025939] [] ? copy_mount_string+0x3d/0x3d [ 2053.043406] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2053.060604] [] ? __check_object_size+0x1e1/0x2b8 [ 2053.084947] [] ? 0xffffffffb1c002b8 [ 2053.100038] [] ? copy_mount_options+0x23d/0x24d [ 2053.119522] [] SyS_mount+0xa3/0xda [ 2053.135233] [] mount_block_root+0x2fc/0x650 [ 2053.153882] [] ? init_rootfs+0x99/0x99 [ 2053.172321] [] ? security_file_ioctl+0xa5/0xb4 [ 2053.190966] [] ? SyS_mknod+0x2f/0x36 [ 2053.206775] [] mount_root+0x45/0x48 [ 2053.224472] [] prepare_namespace+0x1cf/0x235 [ 2053.247242] [] kernel_init_freeable+0x4fa/0x518 [ 2053.273081] [] kernel_init+0x16/0x181 [ 2053.292188] [] ret_from_fork+0x1f/0x40 [ 2053.310437] [] ? rest_init+0x8f/0x8f [ 2053.332870] ================================================================================ [ 2053.365315] ================================================================================ [ 2053.398560] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2053.420650] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2053.455066] which requires 64 byte alignment [ 2053.473649] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2053.494963] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2053.527931] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2053.554831] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2053.581090] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2053.606976] Call Trace: [ 2053.615088] [] dump_stack+0xd7/0x132 [ 2053.631613] [] ? arch_local_irq_restore+0x1b/0x1b [ 2053.650499] [] ubsan_epilogue+0x12/0x53 [ 2053.667726] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2053.687730] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2053.708657] [] ? map_id_down+0x11c/0x12b [ 2053.725531] [] ext4_iget+0x118d/0x2717 [ 2053.739463] [] ? ext4_get_projid+0x137/0x137 [ 2053.760147] [] ? ubsan_epilogue+0x26/0x53 [ 2053.779221] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2053.800155] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2053.822760] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2053.845189] [] ext4_fill_super+0x6154/0xa2df [ 2053.860565] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2053.883009] [] ? vsnprintf+0x1a0/0xa32 [ 2053.899099] [] ? pointer+0x7a9/0x7a9 [ 2053.914265] [] ? set_bdev_super+0x15d/0x15d [ 2053.933481] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2053.954872] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2053.980876] [] ? scnprintf+0xf3/0xf3 [ 2053.999823] [] mount_bdev+0x3cf/0x602 [ 2054.020991] [] ? mount_bdev+0x3cf/0x602 [ 2054.040509] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2054.066783] [] ext4_mount+0x3c/0x3e [ 2054.082181] [] mount_fs+0xd0/0x2ca [ 2054.101497] [] vfs_kern_mount+0xa0/0x20a [ 2054.126468] [] do_mount+0x11fe/0x19df [ 2054.149539] [] ? kasan_kmalloc+0x94/0xa3 [ 2054.169568] [] ? copy_mount_string+0x3d/0x3d [ 2054.190127] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2054.213396] [] ? __check_object_size+0x1e1/0x2b8 [ 2054.233440] [] ? 0xffffffffb1c002b8 [ 2054.252080] [] ? copy_mount_options+0x23d/0x24d [ 2054.274376] [] SyS_mount+0xa3/0xda [ 2054.292676] [] mount_block_root+0x2fc/0x650 [ 2054.311103] [] ? init_rootfs+0x99/0x99 [ 2054.332810] [] ? security_file_ioctl+0xa5/0xb4 [ 2054.352262] [] ? SyS_mknod+0x2f/0x36 [ 2054.369067] [] mount_root+0x45/0x48 [ 2054.384146] [] prepare_namespace+0x1cf/0x235 [ 2054.403782] [] kernel_init_freeable+0x4fa/0x518 [ 2054.421879] [] kernel_init+0x16/0x181 [ 2054.437791] [] ret_from_fork+0x1f/0x40 [ 2054.453185] [] ? rest_init+0x8f/0x8f [ 2054.469474] ================================================================================ [ 2054.494697] ================================================================================ [ 2054.520250] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1781:1 [ 2054.536619] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2054.564700] which requires 64 byte alignment [ 2054.575923] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2054.590731] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2054.618462] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2054.640659] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2054.668224] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2054.690746] Call Trace: [ 2054.697169] [] dump_stack+0xd7/0x132 [ 2054.714289] [] ? arch_local_irq_restore+0x1b/0x1b [ 2054.731402] [] ubsan_epilogue+0x12/0x53 [ 2054.749001] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2054.772766] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2054.794323] [] ? map_id_down+0x11c/0x12b [ 2054.810185] [] ext4_iget+0x11c1/0x2717 [ 2054.827285] [] ? ext4_get_projid+0x137/0x137 [ 2054.846676] [] ? ubsan_epilogue+0x26/0x53 [ 2054.861601] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2054.885470] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2054.908788] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2054.930598] [] ext4_fill_super+0x6154/0xa2df [ 2054.949451] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2054.970306] [] ? vsnprintf+0x1a0/0xa32 [ 2054.986876] [] ? pointer+0x7a9/0x7a9 [ 2055.003573] [] ? set_bdev_super+0x15d/0x15d [ 2055.026048] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2055.050307] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2055.073973] [] ? scnprintf+0xf3/0xf3 [ 2055.090923] [] mount_bdev+0x3cf/0x602 [ 2055.108116] [] ? mount_bdev+0x3cf/0x602 [ 2055.123963] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2055.146015] [] ext4_mount+0x3c/0x3e [ 2055.161370] [] mount_fs+0xd0/0x2ca [ 2055.177073] [] vfs_kern_mount+0xa0/0x20a [ 2055.195129] [] do_mount+0x11fe/0x19df [ 2055.212033] [] ? kasan_kmalloc+0x94/0xa3 [ 2055.227294] [] ? copy_mount_string+0x3d/0x3d [ 2055.246094] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2055.264837] [] ? __check_object_size+0x1e1/0x2b8 [ 2055.285106] [] ? 0xffffffffb1c002b8 [ 2055.301105] [] ? copy_mount_options+0x23d/0x24d [ 2055.319058] [] SyS_mount+0xa3/0xda [ 2055.334244] [] mount_block_root+0x2fc/0x650 [ 2055.352639] [] ? init_rootfs+0x99/0x99 [ 2055.369585] [] ? security_file_ioctl+0xa5/0xb4 [ 2055.389220] [] ? SyS_mknod+0x2f/0x36 [ 2055.405183] [] mount_root+0x45/0x48 [ 2055.424802] [] prepare_namespace+0x1cf/0x235 [ 2055.445159] [] kernel_init_freeable+0x4fa/0x518 [ 2055.462187] [] kernel_init+0x16/0x181 [ 2055.477877] [] ret_from_fork+0x1f/0x40 [ 2055.494908] [] ? rest_init+0x8f/0x8f [ 2055.509151] ================================================================================ [ 2055.536734] ================================================================================ [ 2055.563921] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2055.584834] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2055.616256] which requires 64 byte alignment [ 2055.629426] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2055.650626] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2055.681153] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2055.713999] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2055.745742] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2055.776929] Call Trace: [ 2055.788288] [] dump_stack+0xd7/0x132 [ 2055.808600] [] ? arch_local_irq_restore+0x1b/0x1b [ 2055.831994] [] ubsan_epilogue+0x12/0x53 [ 2055.854836] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2055.881517] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2055.909059] [] ? map_id_down+0x11c/0x12b [ 2055.927912] [] ext4_iget+0x17a2/0x2717 [ 2055.946069] [] ? ext4_get_projid+0x137/0x137 [ 2055.967172] [] ? ubsan_epilogue+0x26/0x53 [ 2055.983910] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2056.007694] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2056.033173] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2056.055878] [] ext4_fill_super+0x6154/0xa2df [ 2056.077518] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2056.099278] [] ? vsnprintf+0x1a0/0xa32 [ 2056.115453] [] ? pointer+0x7a9/0x7a9 [ 2056.131861] [] ? set_bdev_super+0x15d/0x15d [ 2056.150040] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2056.171513] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2056.193172] [] ? scnprintf+0xf3/0xf3 [ 2056.217878] [] mount_bdev+0x3cf/0x602 [ 2056.237428] [] ? mount_bdev+0x3cf/0x602 [ 2056.254096] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2056.273912] [] ext4_mount+0x3c/0x3e [ 2056.292512] [] mount_fs+0xd0/0x2ca [ 2056.306931] [] vfs_kern_mount+0xa0/0x20a [ 2056.325487] [] do_mount+0x11fe/0x19df [ 2056.342121] [] ? kasan_kmalloc+0x94/0xa3 [ 2056.356843] [] ? copy_mount_string+0x3d/0x3d [ 2056.375848] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2056.395833] [] ? __check_object_size+0x1e1/0x2b8 [ 2056.415686] [] ? 0xffffffffb1c002b8 [ 2056.432143] [] ? copy_mount_options+0x23d/0x24d [ 2056.452823] [] SyS_mount+0xa3/0xda [ 2056.468430] [] mount_block_root+0x2fc/0x650 [ 2056.485180] [] ? init_rootfs+0x99/0x99 [ 2056.503231] [] ? security_file_ioctl+0xa5/0xb4 [ 2056.523865] [] ? SyS_mknod+0x2f/0x36 [ 2056.538387] [] mount_root+0x45/0x48 [ 2056.553941] [] prepare_namespace+0x1cf/0x235 [ 2056.571618] [] kernel_init_freeable+0x4fa/0x518 [ 2056.589816] [] kernel_init+0x16/0x181 [ 2056.608789] [] ret_from_fork+0x1f/0x40 [ 2056.624236] [] ? rest_init+0x8f/0x8f [ 2056.639209] ================================================================================ [ 2056.665783] ================================================================================ [ 2056.690874] UBSAN: Undefined behaviour in fs/ext4/inode.c:4581:6 [ 2056.708735] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2056.737010] which requires 64 byte alignment [ 2056.749628] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2056.769908] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2056.798893] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2056.824327] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2056.847227] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2056.871511] Call Trace: [ 2056.878537] [] dump_stack+0xd7/0x132 [ 2056.895657] [] ? arch_local_irq_restore+0x1b/0x1b [ 2056.917467] [] ubsan_epilogue+0x12/0x53 [ 2056.934415] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2056.956499] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2056.977961] [] ? map_id_down+0x11c/0x12b [ 2056.995387] [] ext4_iget+0x17d1/0x2717 [ 2057.011774] [] ? ext4_get_projid+0x137/0x137 [ 2057.032508] [] ? ubsan_epilogue+0x26/0x53 [ 2057.049442] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2057.071753] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2057.093739] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2057.112596] [] ext4_fill_super+0x6154/0xa2df [ 2057.130845] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2057.152198] [] ? vsnprintf+0x1a0/0xa32 [ 2057.167272] [] ? pointer+0x7a9/0x7a9 [ 2057.182808] [] ? set_bdev_super+0x15d/0x15d [ 2057.201404] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2057.226160] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2057.251123] [] ? scnprintf+0xf3/0xf3 [ 2057.268100] [] mount_bdev+0x3cf/0x602 [ 2057.283907] [] ? mount_bdev+0x3cf/0x602 [ 2057.302383] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2057.321544] [] ext4_mount+0x3c/0x3e [ 2057.339107] [] mount_fs+0xd0/0x2ca [ 2057.353264] [] vfs_kern_mount+0xa0/0x20a [ 2057.369210] [] do_mount+0x11fe/0x19df [ 2057.386705] [] ? kasan_kmalloc+0x94/0xa3 [ 2057.404440] [] ? copy_mount_string+0x3d/0x3d [ 2057.423700] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2057.442962] [] ? __check_object_size+0x1e1/0x2b8 [ 2057.459692] [] ? 0xffffffffb1c002b8 [ 2057.475909] [] ? copy_mount_options+0x23d/0x24d [ 2057.494732] [] SyS_mount+0xa3/0xda [ 2057.508903] [] mount_block_root+0x2fc/0x650 [ 2057.527868] [] ? init_rootfs+0x99/0x99 [ 2057.545267] [] ? security_file_ioctl+0xa5/0xb4 [ 2057.562664] [] ? SyS_mknod+0x2f/0x36 [ 2057.579564] [] mount_root+0x45/0x48 [ 2057.597306] [] prepare_namespace+0x1cf/0x235 [ 2057.623485] [] kernel_init_freeable+0x4fa/0x518 [ 2057.650973] [] kernel_init+0x16/0x181 [ 2057.675871] [] ret_from_fork+0x1f/0x40 [ 2057.698992] [] ? rest_init+0x8f/0x8f [ 2057.728662] ================================================================================ [ 2057.767289] ================================================================================ [ 2057.804999] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2057.834490] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2057.876363] which requires 64 byte alignment [ 2057.891577] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2057.909373] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2057.937599] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2057.961052] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2057.983688] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2058.009136] Call Trace: [ 2058.016259] [] dump_stack+0xd7/0x132 [ 2058.033212] [] ? arch_local_irq_restore+0x1b/0x1b [ 2058.053099] [] ubsan_epilogue+0x12/0x53 [ 2058.070563] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2058.089853] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2058.113438] [] ? map_id_down+0x11c/0x12b [ 2058.129685] [] ext4_iget+0x1dab/0x2717 [ 2058.148390] [] ? ext4_get_projid+0x137/0x137 [ 2058.167835] [] ? ubsan_epilogue+0x26/0x53 [ 2058.185483] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2058.210345] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2058.234658] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2058.254572] [] ext4_fill_super+0x6154/0xa2df [ 2058.273684] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2058.293653] [] ? vsnprintf+0x1a0/0xa32 [ 2058.308694] [] ? pointer+0x7a9/0x7a9 [ 2058.324802] [] ? set_bdev_super+0x15d/0x15d [ 2058.340839] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2058.363219] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2058.385265] [] ? scnprintf+0xf3/0xf3 [ 2058.400258] [] mount_bdev+0x3cf/0x602 [ 2058.417857] [] ? mount_bdev+0x3cf/0x602 [ 2058.436393] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2058.455096] [] ext4_mount+0x3c/0x3e [ 2058.470236] [] mount_fs+0xd0/0x2ca [ 2058.486226] [] vfs_kern_mount+0xa0/0x20a [ 2058.502385] [] do_mount+0x11fe/0x19df [ 2058.518817] [] ? kasan_kmalloc+0x94/0xa3 [ 2058.534548] [] ? copy_mount_string+0x3d/0x3d [ 2058.552805] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2058.570576] [] ? __check_object_size+0x1e1/0x2b8 [ 2058.588744] [] ? 0xffffffffb1c002b8 [ 2058.605561] [] ? copy_mount_options+0x23d/0x24d [ 2058.624655] [] SyS_mount+0xa3/0xda [ 2058.639684] [] mount_block_root+0x2fc/0x650 [ 2058.673517] [] ? init_rootfs+0x99/0x99 [ 2058.692739] [] ? security_file_ioctl+0xa5/0xb4 [ 2058.715276] [] ? SyS_mknod+0x2f/0x36 [ 2058.735329] [] mount_root+0x45/0x48 [ 2058.752290] [] prepare_namespace+0x1cf/0x235 [ 2058.770399] [] kernel_init_freeable+0x4fa/0x518 [ 2058.790684] [] kernel_init+0x16/0x181 [ 2058.806988] [] ret_from_fork+0x1f/0x40 [ 2058.824974] [] ? rest_init+0x8f/0x8f [ 2058.840441] ================================================================================ [ 2058.867033] ================================================================================ [ 2058.893356] UBSAN: Undefined behaviour in fs/ext4/inode.c:4596:6 [ 2058.914281] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2058.937367] which requires 64 byte alignment [ 2058.951045] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2058.969668] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2058.999877] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2059.026142] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2059.048335] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2059.072424] Call Trace: [ 2059.078664] [] dump_stack+0xd7/0x132 [ 2059.095404] [] ? arch_local_irq_restore+0x1b/0x1b [ 2059.115165] [] ubsan_epilogue+0x12/0x53 [ 2059.132584] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2059.154930] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2059.178617] [] ? map_id_down+0x11c/0x12b [ 2059.194810] [] ext4_iget+0x1dda/0x2717 [ 2059.212177] [] ? ext4_get_projid+0x137/0x137 [ 2059.230475] [] ? ubsan_epilogue+0x26/0x53 [ 2059.247982] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2059.269611] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2059.290763] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2059.310828] [] ext4_fill_super+0x6154/0xa2df [ 2059.330169] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2059.351120] [] ? vsnprintf+0x1a0/0xa32 [ 2059.369415] [] ? pointer+0x7a9/0x7a9 [ 2059.387855] [] ? set_bdev_super+0x15d/0x15d [ 2059.405843] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2059.433226] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2059.455320] [] ? scnprintf+0xf3/0xf3 [ 2059.474802] [] mount_bdev+0x3cf/0x602 [ 2059.491013] [] ? mount_bdev+0x3cf/0x602 [ 2059.504521] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2059.524473] [] ext4_mount+0x3c/0x3e [ 2059.538374] [] mount_fs+0xd0/0x2ca [ 2059.554116] [] vfs_kern_mount+0xa0/0x20a [ 2059.570007] [] do_mount+0x11fe/0x19df [ 2059.587389] [] ? kasan_kmalloc+0x94/0xa3 [ 2059.604977] [] ? copy_mount_string+0x3d/0x3d [ 2059.624162] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2059.640474] [] ? __check_object_size+0x1e1/0x2b8 [ 2059.658370] [] ? 0xffffffffb1c002b8 [ 2059.676282] [] ? copy_mount_options+0x23d/0x24d [ 2059.696620] [] SyS_mount+0xa3/0xda [ 2059.713364] [] mount_block_root+0x2fc/0x650 [ 2059.733818] [] ? init_rootfs+0x99/0x99 [ 2059.753764] [] ? security_file_ioctl+0xa5/0xb4 [ 2059.775263] [] ? SyS_mknod+0x2f/0x36 [ 2059.795895] [] mount_root+0x45/0x48 [ 2059.814194] [] prepare_namespace+0x1cf/0x235 [ 2059.833796] [] kernel_init_freeable+0x4fa/0x518 [ 2059.857932] [] kernel_init+0x16/0x181 [ 2059.878032] [] ret_from_fork+0x1f/0x40 [ 2059.896805] [] ? rest_init+0x8f/0x8f [ 2059.917144] ================================================================================ [ 2059.947772] ================================================================================ [ 2059.975144] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2059.994288] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2060.019586] which requires 64 byte alignment [ 2060.029907] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2060.047171] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2060.074695] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2060.099236] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2060.123691] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2060.145070] Call Trace: [ 2060.152867] [] dump_stack+0xd7/0x132 [ 2060.173182] [] ? arch_local_irq_restore+0x1b/0x1b [ 2060.197316] [] ubsan_epilogue+0x12/0x53 [ 2060.218843] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2060.248818] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2060.279147] [] ? map_id_down+0x11c/0x12b [ 2060.297996] [] ext4_iget+0x1e79/0x2717 [ 2060.313977] [] ? ext4_get_projid+0x137/0x137 [ 2060.340234] [] ? ubsan_epilogue+0x26/0x53 [ 2060.363625] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2060.391439] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2060.420801] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2060.445859] [] ext4_fill_super+0x6154/0xa2df [ 2060.471707] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2060.495322] [] ? vsnprintf+0x1a0/0xa32 [ 2060.518278] [] ? pointer+0x7a9/0x7a9 [ 2060.539209] [] ? set_bdev_super+0x15d/0x15d [ 2060.558821] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2060.591160] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2060.618856] [] ? scnprintf+0xf3/0xf3 [ 2060.638145] [] mount_bdev+0x3cf/0x602 [ 2060.661093] [] ? mount_bdev+0x3cf/0x602 [ 2060.703072] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2060.728447] [] ext4_mount+0x3c/0x3e [ 2060.747898] [] mount_fs+0xd0/0x2ca [ 2060.765341] [] vfs_kern_mount+0xa0/0x20a [ 2060.785289] [] do_mount+0x11fe/0x19df [ 2060.801928] [] ? kasan_kmalloc+0x94/0xa3 [ 2060.920380] [] ? copy_mount_string+0x3d/0x3d [ 2060.951030] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2060.972371] [] ? __check_object_size+0x1e1/0x2b8 [ 2060.994781] [] ? 0xffffffffb1c002b8 [ 2061.014599] [] ? copy_mount_options+0x23d/0x24d [ 2061.032298] [] SyS_mount+0xa3/0xda [ 2061.048242] [] mount_block_root+0x2fc/0x650 [ 2061.065794] [] ? init_rootfs+0x99/0x99 [ 2061.080727] [] ? security_file_ioctl+0xa5/0xb4 [ 2061.097339] [] ? SyS_mknod+0x2f/0x36 [ 2061.113892] [] mount_root+0x45/0x48 [ 2061.128303] [] prepare_namespace+0x1cf/0x235 [ 2061.145303] [] kernel_init_freeable+0x4fa/0x518 [ 2061.160746] [] kernel_init+0x16/0x181 [ 2061.179287] [] ret_from_fork+0x1f/0x40 [ 2061.197700] [] ? rest_init+0x8f/0x8f [ 2061.214642] ================================================================================ [ 2061.243740] ================================================================================ [ 2061.271599] UBSAN: Undefined behaviour in fs/ext4/inode.c:4598:7 [ 2061.289238] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2061.318516] which requires 64 byte alignment [ 2061.333253] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2061.353572] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2061.382706] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5c0 ffffffffb26ec5cc [ 2061.407998] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2061.437791] ffff880000000010 ffff88005c9df5e8 ffff88005c9df598 ffffffffb363c3e0 [ 2061.461660] Call Trace: [ 2061.471016] [] dump_stack+0xd7/0x132 [ 2061.488864] [] ? arch_local_irq_restore+0x1b/0x1b [ 2061.512479] [] ubsan_epilogue+0x12/0x53 [ 2061.529218] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2061.553983] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2061.579420] [] ? map_id_down+0x11c/0x12b [ 2061.599345] [] ext4_iget+0x1e9b/0x2717 [ 2061.617300] [] ? ext4_get_projid+0x137/0x137 [ 2061.637587] [] ? ubsan_epilogue+0x26/0x53 [ 2061.656863] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2061.678925] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2061.703060] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2061.728146] [] ext4_fill_super+0x6154/0xa2df [ 2061.749455] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2061.772650] [] ? vsnprintf+0x1a0/0xa32 [ 2061.790669] [] ? pointer+0x7a9/0x7a9 [ 2061.807669] [] ? set_bdev_super+0x15d/0x15d [ 2061.829230] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2061.853699] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2061.878792] [] ? scnprintf+0xf3/0xf3 [ 2061.896782] [] mount_bdev+0x3cf/0x602 [ 2061.919081] [] ? mount_bdev+0x3cf/0x602 [ 2061.941526] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2061.971098] [] ext4_mount+0x3c/0x3e [ 2061.988034] [] mount_fs+0xd0/0x2ca [ 2062.008529] [] vfs_kern_mount+0xa0/0x20a [ 2062.036898] [] do_mount+0x11fe/0x19df [ 2062.058439] [] ? kasan_kmalloc+0x94/0xa3 [ 2062.081145] [] ? copy_mount_string+0x3d/0x3d [ 2062.110653] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2062.140006] [] ? __check_object_size+0x1e1/0x2b8 [ 2062.165925] [] ? 0xffffffffb1c002b8 [ 2062.186243] [] ? copy_mount_options+0x23d/0x24d [ 2062.212339] [] SyS_mount+0xa3/0xda [ 2062.227245] [] mount_block_root+0x2fc/0x650 [ 2062.249811] [] ? init_rootfs+0x99/0x99 [ 2062.268276] [] ? security_file_ioctl+0xa5/0xb4 [ 2062.290200] [] ? SyS_mknod+0x2f/0x36 [ 2062.306317] [] mount_root+0x45/0x48 [ 2062.323233] [] prepare_namespace+0x1cf/0x235 [ 2062.342895] [] kernel_init_freeable+0x4fa/0x518 [ 2062.364411] [] kernel_init+0x16/0x181 [ 2062.380395] [] ret_from_fork+0x1f/0x40 [ 2062.397706] [] ? rest_init+0x8f/0x8f [ 2062.413775] ================================================================================ [ 2062.440891] ================================================================================ [ 2062.461933] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2062.478348] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2062.502021] which requires 64 byte alignment [ 2062.512912] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2062.530796] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2062.557123] 00000000ffffffff 00000000b1a89c60 ffff88005c9df508 ffffffffb26ec5cc [ 2062.580576] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2062.604832] 0000000000000010 ffff88005c9df530 ffff88005c9df4e0 ffffffffb363c3e0 [ 2062.627055] Call Trace: [ 2062.634896] [] dump_stack+0xd7/0x132 [ 2062.650448] [] ? arch_local_irq_restore+0x1b/0x1b [ 2062.671859] [] ubsan_epilogue+0x12/0x53 [ 2062.687840] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2062.712827] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2062.736003] [] ? ubsan_epilogue+0x26/0x53 [ 2062.751598] [] ? arch_local_irq_restore+0x6/0xd [ 2062.769150] [] __ext4_ext_check+0x2ee/0x89e [ 2062.786415] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2062.810851] [] ext4_ext_check_inode+0x61/0x66 [ 2062.833946] [] ext4_iget+0x2106/0x2717 [ 2062.854241] [] ? ext4_get_projid+0x137/0x137 [ 2062.875858] [] ? ubsan_epilogue+0x26/0x53 [ 2062.898954] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2062.926639] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2062.954957] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2062.979322] [] ext4_fill_super+0x6154/0xa2df [ 2063.001801] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2063.025420] [] ? vsnprintf+0x1a0/0xa32 [ 2063.046513] [] ? pointer+0x7a9/0x7a9 [ 2063.063252] [] ? set_bdev_super+0x15d/0x15d [ 2063.091376] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2063.122164] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2063.152509] [] ? scnprintf+0xf3/0xf3 [ 2063.175884] [] mount_bdev+0x3cf/0x602 [ 2063.198546] [] ? mount_bdev+0x3cf/0x602 [ 2063.224457] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2063.251345] [] ext4_mount+0x3c/0x3e [ 2063.274834] [] mount_fs+0xd0/0x2ca [ 2063.294680] [] vfs_kern_mount+0xa0/0x20a [ 2063.315563] [] do_mount+0x11fe/0x19df [ 2063.333152] [] ? kasan_kmalloc+0x94/0xa3 [ 2063.351665] [] ? copy_mount_string+0x3d/0x3d [ 2063.377429] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2063.397456] [] ? __check_object_size+0x1e1/0x2b8 [ 2063.419803] [] ? 0xffffffffb1c002b8 [ 2063.441653] [] ? copy_mount_options+0x23d/0x24d [ 2063.461099] [] SyS_mount+0xa3/0xda [ 2063.478081] [] mount_block_root+0x2fc/0x650 [ 2063.507733] [] ? init_rootfs+0x99/0x99 [ 2063.575694] [] ? security_file_ioctl+0xa5/0xb4 [ 2063.611624] [] ? SyS_mknod+0x2f/0x36 [ 2063.627524] [] mount_root+0x45/0x48 [ 2063.644775] [] prepare_namespace+0x1cf/0x235 [ 2063.660809] [] kernel_init_freeable+0x4fa/0x518 [ 2063.678090] [] kernel_init+0x16/0x181 [ 2063.691321] [] ret_from_fork+0x1f/0x40 [ 2063.711751] [] ? rest_init+0x8f/0x8f [ 2063.728275] ================================================================================ [ 2063.758041] ================================================================================ [ 2063.786943] UBSAN: Undefined behaviour in fs/ext4/extents.c:416:28 [ 2063.806453] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2063.838651] which requires 64 byte alignment [ 2063.853544] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2063.875854] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2063.921145] 00000000ffffffff 00000000b1a89c60 ffff88005c9df508 ffffffffb26ec5cc [ 2063.954705] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2063.984800] ffffffff00000010 ffff88005c9df530 ffff88005c9df4e0 ffffffffb363c3e0 [ 2064.011148] Call Trace: [ 2064.020967] [] dump_stack+0xd7/0x132 [ 2064.037052] [] ? arch_local_irq_restore+0x1b/0x1b [ 2064.057585] [] ubsan_epilogue+0x12/0x53 [ 2064.075455] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2064.097808] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2064.122975] [] ? ubsan_epilogue+0x26/0x53 [ 2064.143437] [] ? arch_local_irq_restore+0x6/0xd [ 2064.164722] [] __ext4_ext_check+0x31b/0x89e [ 2064.194833] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2064.257374] [] ext4_ext_check_inode+0x61/0x66 [ 2064.296215] [] ext4_iget+0x2106/0x2717 [ 2064.329126] [] ? ext4_get_projid+0x137/0x137 [ 2064.356415] [] ? ubsan_epilogue+0x26/0x53 [ 2064.378088] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2064.411137] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2064.442328] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2064.466684] [] ext4_fill_super+0x6154/0xa2df [ 2064.485566] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2064.505294] [] ? vsnprintf+0x1a0/0xa32 [ 2064.522243] [] ? pointer+0x7a9/0x7a9 [ 2064.539995] [] ? set_bdev_super+0x15d/0x15d [ 2064.562352] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2064.582577] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2064.605580] [] ? scnprintf+0xf3/0xf3 [ 2064.622609] [] mount_bdev+0x3cf/0x602 [ 2064.640468] [] ? mount_bdev+0x3cf/0x602 [ 2064.657491] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2064.679302] [] ext4_mount+0x3c/0x3e [ 2064.696045] [] mount_fs+0xd0/0x2ca [ 2064.710477] [] vfs_kern_mount+0xa0/0x20a [ 2064.727942] [] do_mount+0x11fe/0x19df [ 2064.743697] [] ? kasan_kmalloc+0x94/0xa3 [ 2064.758996] [] ? copy_mount_string+0x3d/0x3d [ 2064.778949] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2064.797402] [] ? __check_object_size+0x1e1/0x2b8 [ 2064.818203] [] ? 0xffffffffb1c002b8 [ 2064.834721] [] ? copy_mount_options+0x23d/0x24d [ 2064.852505] [] SyS_mount+0xa3/0xda [ 2064.866314] [] mount_block_root+0x2fc/0x650 [ 2064.883682] [] ? init_rootfs+0x99/0x99 [ 2064.901813] [] ? security_file_ioctl+0xa5/0xb4 [ 2064.922224] [] ? SyS_mknod+0x2f/0x36 [ 2064.939525] [] mount_root+0x45/0x48 [ 2064.957096] [] prepare_namespace+0x1cf/0x235 [ 2064.977041] [] kernel_init_freeable+0x4fa/0x518 [ 2064.998466] [] kernel_init+0x16/0x181 [ 2065.015356] [] ret_from_fork+0x1f/0x40 [ 2065.034929] [] ? rest_init+0x8f/0x8f [ 2065.052921] ================================================================================ [ 2065.088068] ================================================================================ [ 2065.115129] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2065.135873] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2065.162598] which requires 64 byte alignment [ 2065.177428] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2065.196635] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2065.227100] 00000000ffffffff 00000000b1a89c60 ffff88005c9df508 ffffffffb26ec5cc [ 2065.250857] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2065.276171] ffffffff00000010 ffff88005c9df530 ffff88005c9df4e0 ffffffffb363c3e0 [ 2065.299905] Call Trace: [ 2065.307340] [] dump_stack+0xd7/0x132 [ 2065.323016] [] ? arch_local_irq_restore+0x1b/0x1b [ 2065.342450] [] ubsan_epilogue+0x12/0x53 [ 2065.360822] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2065.386257] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2065.411259] [] ? ubsan_epilogue+0x26/0x53 [ 2065.431819] [] __ext4_ext_check+0x423/0x89e [ 2065.452222] [] ext4_ext_check_inode+0x61/0x66 [ 2065.469955] [] ext4_iget+0x2106/0x2717 [ 2065.487119] [] ? ext4_get_projid+0x137/0x137 [ 2065.504391] [] ? ubsan_epilogue+0x26/0x53 [ 2065.523412] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2065.549375] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2065.573331] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2065.594770] [] ext4_fill_super+0x6154/0xa2df [ 2065.616578] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2065.637655] [] ? vsnprintf+0x1a0/0xa32 [ 2065.654585] [] ? pointer+0x7a9/0x7a9 [ 2065.672651] [] ? set_bdev_super+0x15d/0x15d [ 2065.690054] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2065.714188] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2065.736965] [] ? scnprintf+0xf3/0xf3 [ 2065.756584] [] mount_bdev+0x3cf/0x602 [ 2065.775352] [] ? mount_bdev+0x3cf/0x602 [ 2065.792381] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2065.813909] [] ext4_mount+0x3c/0x3e [ 2065.829430] [] mount_fs+0xd0/0x2ca [ 2065.844847] [] vfs_kern_mount+0xa0/0x20a [ 2065.860009] [] do_mount+0x11fe/0x19df [ 2065.876987] [] ? kasan_kmalloc+0x94/0xa3 [ 2065.896727] [] ? copy_mount_string+0x3d/0x3d [ 2065.913996] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2065.936884] [] ? __check_object_size+0x1e1/0x2b8 [ 2065.956514] [] ? 0xffffffffb1c002b8 [ 2065.970996] [] ? copy_mount_options+0x23d/0x24d [ 2065.989531] [] SyS_mount+0xa3/0xda [ 2066.004912] [] mount_block_root+0x2fc/0x650 [ 2066.024176] [] ? init_rootfs+0x99/0x99 [ 2066.040508] [] ? security_file_ioctl+0xa5/0xb4 [ 2066.056510] [] ? SyS_mknod+0x2f/0x36 [ 2066.073344] [] mount_root+0x45/0x48 [ 2066.089389] [] prepare_namespace+0x1cf/0x235 [ 2066.108998] [] kernel_init_freeable+0x4fa/0x518 [ 2066.127486] [] kernel_init+0x16/0x181 [ 2066.147432] [] ret_from_fork+0x1f/0x40 [ 2066.167300] [] ? rest_init+0x8f/0x8f [ 2066.188639] ================================================================================ [ 2066.219062] ================================================================================ [ 2066.248551] UBSAN: Undefined behaviour in fs/ext4/block_validity.c:200:18 [ 2066.272043] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2066.302344] which requires 64 byte alignment [ 2066.318817] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2066.339538] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2066.373099] 00000000ffffffff 00000000b1a89c60 ffff88005c9df4c8 ffffffffb26ec5cc [ 2066.398311] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2066.421270] 1ffff10000000010 ffff88005c9df4f0 ffff88005c9df4a0 ffffffffb363c3e0 [ 2066.446660] Call Trace: [ 2066.456453] [] dump_stack+0xd7/0x132 [ 2066.472632] [] ? arch_local_irq_restore+0x1b/0x1b [ 2066.489978] [] ubsan_epilogue+0x12/0x53 [ 2066.508468] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2066.527530] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2066.550708] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2066.574375] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2066.595705] [] ext4_data_block_valid+0x3b/0x312 [ 2066.617233] [] ? __ext4_ext_check+0x42f/0x89e [ 2066.638605] [] __ext4_ext_check+0x44c/0x89e [ 2066.654834] [] ext4_ext_check_inode+0x61/0x66 [ 2066.673860] [] ext4_iget+0x2106/0x2717 [ 2066.689872] [] ? ext4_get_projid+0x137/0x137 [ 2066.707935] [] ? ubsan_epilogue+0x26/0x53 [ 2066.726358] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2066.748242] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2066.773096] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2066.796077] [] ext4_fill_super+0x6154/0xa2df [ 2066.814479] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2066.835198] [] ? vsnprintf+0x1a0/0xa32 [ 2066.853171] [] ? pointer+0x7a9/0x7a9 [ 2066.870765] [] ? set_bdev_super+0x15d/0x15d [ 2066.887743] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2066.910267] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2066.933914] [] ? scnprintf+0xf3/0xf3 [ 2066.949132] [] mount_bdev+0x3cf/0x602 [ 2066.963286] [] ? mount_bdev+0x3cf/0x602 [ 2066.982653] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2067.005944] [] ext4_mount+0x3c/0x3e [ 2067.022497] [] mount_fs+0xd0/0x2ca [ 2067.038761] [] vfs_kern_mount+0xa0/0x20a [ 2067.055922] [] do_mount+0x11fe/0x19df [ 2067.071308] [] ? kasan_kmalloc+0x94/0xa3 [ 2067.089288] [] ? copy_mount_string+0x3d/0x3d [ 2067.107768] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2067.124879] [] ? __check_object_size+0x1e1/0x2b8 [ 2067.142540] [] ? 0xffffffffb1c002b8 [ 2067.159344] [] ? copy_mount_options+0x23d/0x24d [ 2067.177833] [] SyS_mount+0xa3/0xda [ 2067.194750] [] mount_block_root+0x2fc/0x650 [ 2067.212941] [] ? init_rootfs+0x99/0x99 [ 2067.228097] [] ? security_file_ioctl+0xa5/0xb4 [ 2067.246010] [] ? SyS_mknod+0x2f/0x36 [ 2067.260199] [] mount_root+0x45/0x48 [ 2067.276126] [] prepare_namespace+0x1cf/0x235 [ 2067.294257] [] kernel_init_freeable+0x4fa/0x518 [ 2067.313090] [] kernel_init+0x16/0x181 [ 2067.327920] [] ret_from_fork+0x1f/0x40 [ 2067.346243] [] ? rest_init+0x8f/0x8f [ 2067.360075] ================================================================================ [ 2067.386461] ================================================================================ [ 2067.413166] UBSAN: Undefined behaviour in fs/ext4/block_validity.c:202:20 [ 2067.433487] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2067.460339] which requires 64 byte alignment [ 2067.472823] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2067.489768] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2067.519210] 00000000ffffffff 00000000b1a89c60 ffff88005c9df4c8 ffffffffb26ec5cc [ 2067.541893] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2067.570725] ffffffff00000010 ffff88005c9df4f0 ffff88005c9df4a0 ffffffffb363c3e0 [ 2067.593807] Call Trace: [ 2067.601699] [] dump_stack+0xd7/0x132 [ 2067.617579] [] ? arch_local_irq_restore+0x1b/0x1b [ 2067.639638] [] ubsan_epilogue+0x12/0x53 [ 2067.656190] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2067.677600] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2067.698812] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2067.723831] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2067.747001] [] ext4_data_block_valid+0x68/0x312 [ 2067.766359] [] ? __ext4_ext_check+0x42f/0x89e [ 2067.786136] [] __ext4_ext_check+0x44c/0x89e [ 2067.802623] [] ext4_ext_check_inode+0x61/0x66 [ 2067.821764] [] ext4_iget+0x2106/0x2717 [ 2067.838910] [] ? ext4_get_projid+0x137/0x137 [ 2067.857041] [] ? ubsan_epilogue+0x26/0x53 [ 2067.875386] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2067.900532] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2067.922551] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2067.946722] [] ext4_fill_super+0x6154/0xa2df [ 2067.965244] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2067.983933] [] ? vsnprintf+0x1a0/0xa32 [ 2067.999289] [] ? pointer+0x7a9/0x7a9 [ 2068.015007] [] ? set_bdev_super+0x15d/0x15d [ 2068.042158] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2068.067275] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2068.090729] [] ? scnprintf+0xf3/0xf3 [ 2068.109955] [] mount_bdev+0x3cf/0x602 [ 2068.123571] [] ? mount_bdev+0x3cf/0x602 [ 2068.141797] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2068.163453] [] ext4_mount+0x3c/0x3e [ 2068.180163] [] mount_fs+0xd0/0x2ca [ 2068.196251] [] vfs_kern_mount+0xa0/0x20a [ 2068.213914] [] do_mount+0x11fe/0x19df [ 2068.229198] [] ? kasan_kmalloc+0x94/0xa3 [ 2068.251025] [] ? copy_mount_string+0x3d/0x3d [ 2068.269236] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2068.288465] [] ? __check_object_size+0x1e1/0x2b8 [ 2068.307115] [] ? 0xffffffffb1c002b8 [ 2068.323442] [] ? copy_mount_options+0x23d/0x24d [ 2068.342579] [] SyS_mount+0xa3/0xda [ 2068.357345] [] mount_block_root+0x2fc/0x650 [ 2068.374207] [] ? init_rootfs+0x99/0x99 [ 2068.390937] [] ? security_file_ioctl+0xa5/0xb4 [ 2068.411465] [] ? SyS_mknod+0x2f/0x36 [ 2068.425690] [] mount_root+0x45/0x48 [ 2068.440405] [] prepare_namespace+0x1cf/0x235 [ 2068.459010] [] kernel_init_freeable+0x4fa/0x518 [ 2068.476597] [] kernel_init+0x16/0x181 [ 2068.493201] [] ret_from_fork+0x1f/0x40 [ 2068.509554] [] ? rest_init+0x8f/0x8f [ 2068.523321] ================================================================================ [ 2068.549147] ================================================================================ [ 2068.578631] UBSAN: Undefined behaviour in fs/ext4/block_validity.c:204:27 [ 2068.607534] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2068.638202] which requires 64 byte alignment [ 2068.654376] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2068.672644] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2068.702331] 00000000ffffffff 00000000b1a89c60 ffff88005c9df4c8 ffffffffb26ec5cc [ 2068.725099] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2068.747723] ffffffff00000010 ffff88005c9df4f0 ffff88005c9df4a0 ffffffffb363c3e0 [ 2068.771398] Call Trace: [ 2068.777380] [] dump_stack+0xd7/0x132 [ 2068.795683] [] ? arch_local_irq_restore+0x1b/0x1b [ 2068.814414] [] ubsan_epilogue+0x12/0x53 [ 2068.835305] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2068.859635] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2068.890773] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2068.921680] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2068.947110] [] ext4_data_block_valid+0x109/0x312 [ 2068.965906] [] ? __ext4_ext_check+0x42f/0x89e [ 2068.986153] [] __ext4_ext_check+0x44c/0x89e [ 2069.009038] [] ext4_ext_check_inode+0x61/0x66 [ 2069.031189] [] ext4_iget+0x2106/0x2717 [ 2069.053791] [] ? ext4_get_projid+0x137/0x137 [ 2069.075413] [] ? ubsan_epilogue+0x26/0x53 [ 2069.096172] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2069.122887] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2069.149620] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2069.178647] [] ext4_fill_super+0x6154/0xa2df [ 2069.199444] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2069.226621] [] ? vsnprintf+0x1a0/0xa32 [ 2069.242224] [] ? pointer+0x7a9/0x7a9 [ 2069.259536] [] ? set_bdev_super+0x15d/0x15d [ 2069.277204] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2069.298115] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2069.318556] [] ? scnprintf+0xf3/0xf3 [ 2069.334693] [] mount_bdev+0x3cf/0x602 [ 2069.349108] [] ? mount_bdev+0x3cf/0x602 [ 2069.366198] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2069.387764] [] ext4_mount+0x3c/0x3e [ 2069.402438] [] mount_fs+0xd0/0x2ca [ 2069.419944] [] vfs_kern_mount+0xa0/0x20a [ 2069.438896] [] do_mount+0x11fe/0x19df [ 2069.455089] [] ? kasan_kmalloc+0x94/0xa3 [ 2069.473724] [] ? copy_mount_string+0x3d/0x3d [ 2069.496262] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2069.520474] [] ? __check_object_size+0x1e1/0x2b8 [ 2069.543327] [] ? 0xffffffffb1c002b8 [ 2069.558941] [] ? copy_mount_options+0x23d/0x24d [ 2069.580675] [] SyS_mount+0xa3/0xda [ 2069.600010] [] mount_block_root+0x2fc/0x650 [ 2069.620672] [] ? init_rootfs+0x99/0x99 [ 2069.639562] [] ? security_file_ioctl+0xa5/0xb4 [ 2069.664774] [] ? SyS_mknod+0x2f/0x36 [ 2069.685995] [] mount_root+0x45/0x48 [ 2069.701084] [] prepare_namespace+0x1cf/0x235 [ 2069.723784] [] kernel_init_freeable+0x4fa/0x518 [ 2069.743152] [] kernel_init+0x16/0x181 [ 2069.760603] [] ret_from_fork+0x1f/0x40 [ 2069.775897] [] ? rest_init+0x8f/0x8f [ 2069.793895] ================================================================================ [ 2069.818904] ================================================================================ [ 2069.847251] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2069.896896] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2069.928084] which requires 64 byte alignment [ 2069.945112] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2069.966296] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2069.998718] 00000000ffffffff 00000000b1a89c60 ffff88005c9df560 ffffffffb26ec5cc [ 2070.029146] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2070.055976] 0000000000000010 ffff88005c9df588 ffff88005c9df538 ffffffffb363c3e0 [ 2070.079018] Call Trace: [ 2070.086551] [] dump_stack+0xd7/0x132 [ 2070.101423] [] ? arch_local_irq_restore+0x1b/0x1b [ 2070.119450] [] ubsan_epilogue+0x12/0x53 [ 2070.136658] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2070.158819] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2070.179051] [] ? __ext4_ext_check+0x88c/0x89e [ 2070.199769] [] ext4_inode_journal_mode+0x58/0x319 [ 2070.218476] [] ext4_set_aops+0x22/0x1d8 [ 2070.237410] [] ext4_iget+0x226b/0x2717 [ 2070.253749] [] ? ext4_get_projid+0x137/0x137 [ 2070.273456] [] ? ubsan_epilogue+0x26/0x53 [ 2070.292119] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2070.316430] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2070.339256] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2070.362846] [] ext4_fill_super+0x6154/0xa2df [ 2070.380014] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2070.400578] [] ? vsnprintf+0x1a0/0xa32 [ 2070.419964] [] ? pointer+0x7a9/0x7a9 [ 2070.438324] [] ? set_bdev_super+0x15d/0x15d [ 2070.456814] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2070.478745] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2070.502519] [] ? scnprintf+0xf3/0xf3 [ 2070.521441] [] mount_bdev+0x3cf/0x602 [ 2070.539043] [] ? mount_bdev+0x3cf/0x602 [ 2070.554686] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2070.577090] [] ext4_mount+0x3c/0x3e [ 2070.596452] [] mount_fs+0xd0/0x2ca [ 2070.615061] [] vfs_kern_mount+0xa0/0x20a [ 2070.633746] [] do_mount+0x11fe/0x19df [ 2070.656011] [] ? kasan_kmalloc+0x94/0xa3 [ 2070.677751] [] ? copy_mount_string+0x3d/0x3d [ 2070.697334] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2070.719530] [] ? __check_object_size+0x1e1/0x2b8 [ 2070.742566] [] ? 0xffffffffb1c002b8 [ 2070.760474] [] ? copy_mount_options+0x23d/0x24d [ 2070.782932] [] SyS_mount+0xa3/0xda [ 2070.797646] [] mount_block_root+0x2fc/0x650 [ 2070.815831] [] ? init_rootfs+0x99/0x99 [ 2070.834257] [] ? security_file_ioctl+0xa5/0xb4 [ 2070.854107] [] ? SyS_mknod+0x2f/0x36 [ 2070.870700] [] mount_root+0x45/0x48 [ 2070.887790] [] prepare_namespace+0x1cf/0x235 [ 2070.907010] [] kernel_init_freeable+0x4fa/0x518 [ 2070.926155] [] kernel_init+0x16/0x181 [ 2070.943977] [] ret_from_fork+0x1f/0x40 [ 2070.960863] [] ? rest_init+0x8f/0x8f [ 2070.980219] ================================================================================ [ 2071.028110] ================================================================================ [ 2071.056191] UBSAN: Undefined behaviour in fs/ext4/ext4_jbd2.h:413:6 [ 2071.075980] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2071.103388] which requires 64 byte alignment [ 2071.119506] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2071.136611] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2071.168288] 00000000ffffffff 00000000b1a89c60 ffff88005c9df560 ffffffffb26ec5cc [ 2071.195305] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2071.219060] ffff880000000010 ffff88005c9df588 ffff88005c9df538 ffffffffb363c3e0 [ 2071.243007] Call Trace: [ 2071.252515] [] dump_stack+0xd7/0x132 [ 2071.270949] [] ? arch_local_irq_restore+0x1b/0x1b [ 2071.292364] [] ubsan_epilogue+0x12/0x53 [ 2071.310505] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2071.332113] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2071.356221] [] ? __ext4_ext_check+0x88c/0x89e [ 2071.373588] [] ext4_inode_journal_mode+0x85/0x319 [ 2071.393462] [] ext4_set_aops+0x22/0x1d8 [ 2071.410867] [] ext4_iget+0x226b/0x2717 [ 2071.427018] [] ? ext4_get_projid+0x137/0x137 [ 2071.448149] [] ? ubsan_epilogue+0x26/0x53 [ 2071.467592] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2071.493525] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2071.524664] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2071.556606] [] ext4_fill_super+0x6154/0xa2df [ 2071.580455] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2071.609058] [] ? vsnprintf+0x1a0/0xa32 [ 2071.631427] [] ? pointer+0x7a9/0x7a9 [ 2071.653111] [] ? set_bdev_super+0x15d/0x15d [ 2071.681381] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2071.707873] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2071.730723] [] ? scnprintf+0xf3/0xf3 [ 2071.748912] [] mount_bdev+0x3cf/0x602 [ 2071.766716] [] ? mount_bdev+0x3cf/0x602 [ 2071.785516] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2071.806800] [] ext4_mount+0x3c/0x3e [ 2071.823255] [] mount_fs+0xd0/0x2ca [ 2071.844421] [] vfs_kern_mount+0xa0/0x20a [ 2071.864780] [] do_mount+0x11fe/0x19df [ 2071.882911] [] ? kasan_kmalloc+0x94/0xa3 [ 2071.900503] [] ? copy_mount_string+0x3d/0x3d [ 2071.921195] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2071.942060] [] ? __check_object_size+0x1e1/0x2b8 [ 2071.961305] [] ? 0xffffffffb1c002b8 [ 2071.977158] [] ? copy_mount_options+0x23d/0x24d [ 2071.997658] [] SyS_mount+0xa3/0xda [ 2072.013864] [] mount_block_root+0x2fc/0x650 [ 2072.030344] [] ? init_rootfs+0x99/0x99 [ 2072.051759] [] ? security_file_ioctl+0xa5/0xb4 [ 2072.073814] [] ? SyS_mknod+0x2f/0x36 [ 2072.092301] [] mount_root+0x45/0x48 [ 2072.112633] [] prepare_namespace+0x1cf/0x235 [ 2072.133545] [] kernel_init_freeable+0x4fa/0x518 [ 2072.157363] [] kernel_init+0x16/0x181 [ 2072.174690] [] ret_from_fork+0x1f/0x40 [ 2072.194010] [] ? rest_init+0x8f/0x8f [ 2072.209957] ================================================================================ [ 2072.239133] ================================================================================ [ 2072.270295] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2072.294033] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2072.321914] which requires 64 byte alignment [ 2072.336797] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2072.353792] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2072.383328] 00000000ffffffff 00000000b1a89c60 ffff88005c9df598 ffffffffb26ec5cc [ 2072.409253] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2072.435260] ffff880000000010 ffff88005c9df5c0 ffff88005c9df570 ffffffffb363c3e0 [ 2072.459389] Call Trace: [ 2072.467750] [] dump_stack+0xd7/0x132 [ 2072.483274] [] ? arch_local_irq_restore+0x1b/0x1b [ 2072.506768] [] ubsan_epilogue+0x12/0x53 [ 2072.525184] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2072.546957] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2072.572052] [] ext4_set_aops+0xe1/0x1d8 [ 2072.588260] [] ext4_iget+0x226b/0x2717 [ 2072.604509] [] ? ext4_get_projid+0x137/0x137 [ 2072.622483] [] ? ubsan_epilogue+0x26/0x53 [ 2072.640215] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2072.661962] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2072.685941] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2072.706301] [] ext4_fill_super+0x6154/0xa2df [ 2072.724204] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2072.747028] [] ? vsnprintf+0x1a0/0xa32 [ 2072.764410] [] ? pointer+0x7a9/0x7a9 [ 2072.779499] [] ? set_bdev_super+0x15d/0x15d [ 2072.802298] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2072.829541] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2072.857401] [] ? scnprintf+0xf3/0xf3 [ 2072.876362] [] mount_bdev+0x3cf/0x602 [ 2072.893934] [] ? mount_bdev+0x3cf/0x602 [ 2072.912441] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2072.936107] [] ext4_mount+0x3c/0x3e [ 2072.954146] [] mount_fs+0xd0/0x2ca [ 2072.971615] [] vfs_kern_mount+0xa0/0x20a [ 2072.993059] [] do_mount+0x11fe/0x19df [ 2073.012019] [] ? kasan_kmalloc+0x94/0xa3 [ 2073.030672] [] ? copy_mount_string+0x3d/0x3d [ 2073.049742] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2073.068645] [] ? __check_object_size+0x1e1/0x2b8 [ 2073.104113] [] ? 0xffffffffb1c002b8 [ 2073.125988] [] ? copy_mount_options+0x23d/0x24d [ 2073.151877] [] SyS_mount+0xa3/0xda [ 2073.168522] [] mount_block_root+0x2fc/0x650 [ 2073.187807] [] ? init_rootfs+0x99/0x99 [ 2073.204567] [] ? security_file_ioctl+0xa5/0xb4 [ 2073.222565] [] ? SyS_mknod+0x2f/0x36 [ 2073.243271] [] mount_root+0x45/0x48 [ 2073.259901] [] prepare_namespace+0x1cf/0x235 [ 2073.276555] [] kernel_init_freeable+0x4fa/0x518 [ 2073.295438] [] kernel_init+0x16/0x181 [ 2073.313084] [] ret_from_fork+0x1f/0x40 [ 2073.327968] [] ? rest_init+0x8f/0x8f [ 2073.343097] ================================================================================ [ 2073.375503] ================================================================================ [ 2073.401067] UBSAN: Undefined behaviour in fs/ext4/inode.c:3682:6 [ 2073.420788] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2073.450581] which requires 64 byte alignment [ 2073.466490] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2073.490477] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2073.521163] 00000000ffffffff 00000000b1a89c60 ffff88005c9df598 ffffffffb26ec5cc [ 2073.546889] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2073.573526] ffffffff00000010 ffff88005c9df5c0 ffff88005c9df570 ffffffffb363c3e0 [ 2073.596570] Call Trace: [ 2073.607975] [] dump_stack+0xd7/0x132 [ 2073.625371] [] ? arch_local_irq_restore+0x1b/0x1b [ 2073.646489] [] ubsan_epilogue+0x12/0x53 [ 2073.666864] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2073.693724] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2073.716100] [] ext4_set_aops+0x110/0x1d8 [ 2073.735785] [] ext4_iget+0x226b/0x2717 [ 2073.753813] [] ? ext4_get_projid+0x137/0x137 [ 2073.775965] [] ? ubsan_epilogue+0x26/0x53 [ 2073.795558] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2073.817756] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2073.841076] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2073.866068] [] ext4_fill_super+0x6154/0xa2df [ 2073.888190] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2073.909435] [] ? vsnprintf+0x1a0/0xa32 [ 2073.927108] [] ? pointer+0x7a9/0x7a9 [ 2073.942713] [] ? set_bdev_super+0x15d/0x15d [ 2073.959687] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2073.981851] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2074.004488] [] ? scnprintf+0xf3/0xf3 [ 2074.019730] [] mount_bdev+0x3cf/0x602 [ 2074.043760] [] ? mount_bdev+0x3cf/0x602 [ 2074.065950] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2074.087800] [] ext4_mount+0x3c/0x3e [ 2074.108216] [] mount_fs+0xd0/0x2ca [ 2074.125154] [] vfs_kern_mount+0xa0/0x20a [ 2074.144073] [] do_mount+0x11fe/0x19df [ 2074.164304] [] ? kasan_kmalloc+0x94/0xa3 [ 2074.183652] [] ? copy_mount_string+0x3d/0x3d [ 2074.204413] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2074.228244] [] ? __check_object_size+0x1e1/0x2b8 [ 2074.250625] [] ? 0xffffffffb1c002b8 [ 2074.270602] [] ? copy_mount_options+0x23d/0x24d [ 2074.295892] [] SyS_mount+0xa3/0xda [ 2074.313234] [] mount_block_root+0x2fc/0x650 [ 2074.332103] [] ? init_rootfs+0x99/0x99 [ 2074.352816] [] ? security_file_ioctl+0xa5/0xb4 [ 2074.376005] [] ? SyS_mknod+0x2f/0x36 [ 2074.396892] [] mount_root+0x45/0x48 [ 2074.415163] [] prepare_namespace+0x1cf/0x235 [ 2074.433910] [] kernel_init_freeable+0x4fa/0x518 [ 2074.454695] [] kernel_init+0x16/0x181 [ 2074.472850] [] ret_from_fork+0x1f/0x40 [ 2074.490511] [] ? rest_init+0x8f/0x8f [ 2074.509083] ================================================================================ [ 2074.541065] ================================================================================ [ 2074.571298] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2074.591977] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2074.619779] which requires 64 byte alignment [ 2074.635035] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2074.654527] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2074.686427] 00000000ffffffff 00000000b1a89c60 ffff88005c9df598 ffffffffb26ec5cc [ 2074.708771] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2074.732616] ffffffff00000010 ffff88005c9df5c0 ffff88005c9df570 ffffffffb363c3e0 [ 2074.756486] Call Trace: [ 2074.765045] [] dump_stack+0xd7/0x132 [ 2074.782235] [] ? arch_local_irq_restore+0x1b/0x1b [ 2074.802352] [] ubsan_epilogue+0x12/0x53 [ 2074.821624] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2074.845115] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2074.872360] [] ext4_set_inode_flags+0xe4/0x17b [ 2074.893503] [] ext4_iget+0x26a0/0x2717 [ 2074.912606] [] ? ext4_get_projid+0x137/0x137 [ 2074.930614] [] ? ubsan_epilogue+0x26/0x53 [ 2074.950575] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2074.975887] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2074.999836] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2075.021150] [] ext4_fill_super+0x6154/0xa2df [ 2075.042263] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2075.066675] [] ? vsnprintf+0x1a0/0xa32 [ 2075.083549] [] ? pointer+0x7a9/0x7a9 [ 2075.102680] [] ? set_bdev_super+0x15d/0x15d [ 2075.119797] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2075.141532] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2075.161928] [] ? scnprintf+0xf3/0xf3 [ 2075.175315] [] mount_bdev+0x3cf/0x602 [ 2075.192516] [] ? mount_bdev+0x3cf/0x602 [ 2075.206638] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2075.222198] [] ext4_mount+0x3c/0x3e [ 2075.238909] [] mount_fs+0xd0/0x2ca [ 2075.257338] [] vfs_kern_mount+0xa0/0x20a [ 2075.274999] [] do_mount+0x11fe/0x19df [ 2075.292797] [] ? kasan_kmalloc+0x94/0xa3 [ 2075.309850] [] ? copy_mount_string+0x3d/0x3d [ 2075.326842] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2075.348922] [] ? __check_object_size+0x1e1/0x2b8 [ 2075.372798] [] ? 0xffffffffb1c002b8 [ 2075.389907] [] ? copy_mount_options+0x23d/0x24d [ 2075.409991] [] SyS_mount+0xa3/0xda [ 2075.424914] [] mount_block_root+0x2fc/0x650 [ 2075.443532] [] ? init_rootfs+0x99/0x99 [ 2075.461630] [] ? security_file_ioctl+0xa5/0xb4 [ 2075.481210] [] ? SyS_mknod+0x2f/0x36 [ 2075.497706] [] mount_root+0x45/0x48 [ 2075.514449] [] prepare_namespace+0x1cf/0x235 [ 2075.534500] [] kernel_init_freeable+0x4fa/0x518 [ 2075.554507] [] kernel_init+0x16/0x181 [ 2075.572793] [] ret_from_fork+0x1f/0x40 [ 2075.592342] [] ? rest_init+0x8f/0x8f [ 2075.618564] ================================================================================ [ 2075.661198] ================================================================================ [ 2075.699835] UBSAN: Undefined behaviour in fs/ext4/inode.c:4359:6 [ 2075.727742] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2075.768480] which requires 64 byte alignment [ 2075.781975] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2075.809031] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2075.847497] 00000000ffffffff 00000000b1a89c60 ffff88005c9df598 ffffffffb26ec5cc [ 2075.875465] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2075.906675] ffffffff00000010 ffff88005c9df5c0 ffff88005c9df570 ffffffffb363c3e0 [ 2075.934990] Call Trace: [ 2075.942030] [] dump_stack+0xd7/0x132 [ 2075.959125] [] ? arch_local_irq_restore+0x1b/0x1b [ 2075.977820] [] ubsan_epilogue+0x12/0x53 [ 2075.996513] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2076.025133] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2076.050509] [] ext4_set_inode_flags+0x111/0x17b [ 2076.072616] [] ext4_iget+0x26a0/0x2717 [ 2076.091401] [] ? ext4_get_projid+0x137/0x137 [ 2076.114201] [] ? ubsan_epilogue+0x26/0x53 [ 2076.137800] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2076.161971] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2076.187930] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2076.216439] [] ext4_fill_super+0x6154/0xa2df [ 2076.238462] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2076.258881] [] ? vsnprintf+0x1a0/0xa32 [ 2076.274108] [] ? pointer+0x7a9/0x7a9 [ 2076.288629] [] ? set_bdev_super+0x15d/0x15d [ 2076.310485] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2076.334261] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2076.359614] [] ? scnprintf+0xf3/0xf3 [ 2076.378735] [] mount_bdev+0x3cf/0x602 [ 2076.398474] [] ? mount_bdev+0x3cf/0x602 [ 2076.424301] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2076.448467] [] ext4_mount+0x3c/0x3e [ 2076.467522] [] mount_fs+0xd0/0x2ca [ 2076.485293] [] vfs_kern_mount+0xa0/0x20a [ 2076.503062] [] do_mount+0x11fe/0x19df [ 2076.521524] [] ? kasan_kmalloc+0x94/0xa3 [ 2076.540444] [] ? copy_mount_string+0x3d/0x3d [ 2076.562521] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2076.584039] [] ? __check_object_size+0x1e1/0x2b8 [ 2076.604518] [] ? 0xffffffffb1c002b8 [ 2076.621088] [] ? copy_mount_options+0x23d/0x24d [ 2076.641524] [] SyS_mount+0xa3/0xda [ 2076.655631] [] mount_block_root+0x2fc/0x650 [ 2076.674944] [] ? init_rootfs+0x99/0x99 [ 2076.693141] [] ? security_file_ioctl+0xa5/0xb4 [ 2076.719000] [] ? SyS_mknod+0x2f/0x36 [ 2076.741608] [] mount_root+0x45/0x48 [ 2076.763037] [] prepare_namespace+0x1cf/0x235 [ 2076.782271] [] kernel_init_freeable+0x4fa/0x518 [ 2076.802260] [] kernel_init+0x16/0x181 [ 2076.819618] [] ret_from_fork+0x1f/0x40 [ 2076.837461] [] ? rest_init+0x8f/0x8f [ 2076.855211] ================================================================================ [ 2076.891964] ================================================================================ [ 2076.916229] UBSAN: Undefined behaviour in fs/jbd2/journal.c:1227:50 [ 2076.937862] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2076.966893] which requires 64 byte alignment [ 2076.980954] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2076.998165] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2077.030348] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d0 ffffffffb26ec5cc [ 2077.056383] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2077.081048] ffff880000000010 ffff88005c9df6f8 ffff88005c9df6a8 ffffffffb363c3e0 [ 2077.109541] Call Trace: [ 2077.116365] [] dump_stack+0xd7/0x132 [ 2077.133752] [] ? arch_local_irq_restore+0x1b/0x1b [ 2077.153017] [] ubsan_epilogue+0x12/0x53 [ 2077.170800] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2077.201109] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2077.223932] [] jbd2_journal_init_inode+0xd8/0x641 [ 2077.255811] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2077.278714] [] ? jbd2_journal_get_descriptor_buffer+0x2c9/0x2c9 [ 2077.312377] [] ext4_fill_super+0x6223/0xa2df [ 2077.330241] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2077.352316] [] ? vsnprintf+0x1a0/0xa32 [ 2077.369508] [] ? pointer+0x7a9/0x7a9 [ 2077.385758] [] ? set_bdev_super+0x15d/0x15d [ 2077.407979] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2077.441625] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2077.476105] [] ? scnprintf+0xf3/0xf3 [ 2077.493539] [] mount_bdev+0x3cf/0x602 [ 2077.510989] [] ? mount_bdev+0x3cf/0x602 [ 2077.527289] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2077.548572] [] ext4_mount+0x3c/0x3e [ 2077.565812] [] mount_fs+0xd0/0x2ca [ 2077.581584] [] vfs_kern_mount+0xa0/0x20a [ 2077.599227] [] do_mount+0x11fe/0x19df [ 2077.617805] [] ? kasan_kmalloc+0x94/0xa3 [ 2077.637239] [] ? copy_mount_string+0x3d/0x3d [ 2077.655949] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2077.675783] [] ? __check_object_size+0x1e1/0x2b8 [ 2077.695996] [] ? 0xffffffffb1c002b8 [ 2077.714269] [] ? copy_mount_options+0x23d/0x24d [ 2077.734048] [] SyS_mount+0xa3/0xda [ 2077.748819] [] mount_block_root+0x2fc/0x650 [ 2077.767780] [] ? init_rootfs+0x99/0x99 [ 2077.786279] [] ? security_file_ioctl+0xa5/0xb4 [ 2077.806236] [] ? SyS_mknod+0x2f/0x36 [ 2077.822088] [] mount_root+0x45/0x48 [ 2077.838629] [] prepare_namespace+0x1cf/0x235 [ 2077.858603] [] kernel_init_freeable+0x4fa/0x518 [ 2077.877651] [] kernel_init+0x16/0x181 [ 2077.898885] [] ret_from_fork+0x1f/0x40 [ 2077.918735] [] ? rest_init+0x8f/0x8f [ 2077.936149] ================================================================================ [ 2077.961938] ================================================================================ [ 2077.991482] UBSAN: Undefined behaviour in fs/jbd2/journal.c:1238:50 [ 2078.010931] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2078.039534] which requires 64 byte alignment [ 2078.056316] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2078.075353] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2078.106760] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d0 ffffffffb26ec5cc [ 2078.128340] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2078.152866] ffff880000000010 ffff88005c9df6f8 ffff88005c9df6a8 ffffffffb363c3e0 [ 2078.179337] Call Trace: [ 2078.186505] [] dump_stack+0xd7/0x132 [ 2078.200684] [] ? arch_local_irq_restore+0x1b/0x1b [ 2078.225513] [] ubsan_epilogue+0x12/0x53 [ 2078.246190] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2078.268591] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2078.291546] [] ? disk_name+0xe8/0xf6 [ 2078.308336] [] jbd2_journal_init_inode+0x2aa/0x641 [ 2078.326205] [] ? jbd2_journal_get_descriptor_buffer+0x2c9/0x2c9 [ 2078.358254] [] ext4_fill_super+0x6223/0xa2df [ 2078.375322] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2078.395933] [] ? vsnprintf+0x1a0/0xa32 [ 2078.411852] [] ? pointer+0x7a9/0x7a9 [ 2078.426417] [] ? set_bdev_super+0x15d/0x15d [ 2078.444362] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2078.467897] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2078.490498] [] ? scnprintf+0xf3/0xf3 [ 2078.505983] [] mount_bdev+0x3cf/0x602 [ 2078.521990] [] ? mount_bdev+0x3cf/0x602 [ 2078.539382] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2078.561565] [] ext4_mount+0x3c/0x3e [ 2078.580055] [] mount_fs+0xd0/0x2ca [ 2078.594032] [] vfs_kern_mount+0xa0/0x20a [ 2078.612661] [] do_mount+0x11fe/0x19df [ 2078.629673] [] ? kasan_kmalloc+0x94/0xa3 [ 2078.645158] [] ? copy_mount_string+0x3d/0x3d [ 2078.663204] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2078.681324] [] ? __check_object_size+0x1e1/0x2b8 [ 2078.703058] [] ? 0xffffffffb1c002b8 [ 2078.719447] [] ? copy_mount_options+0x23d/0x24d [ 2078.738615] [] SyS_mount+0xa3/0xda [ 2078.757158] [] mount_block_root+0x2fc/0x650 [ 2078.773831] [] ? init_rootfs+0x99/0x99 [ 2078.791118] [] ? security_file_ioctl+0xa5/0xb4 [ 2078.810573] [] ? SyS_mknod+0x2f/0x36 [ 2078.827398] [] mount_root+0x45/0x48 [ 2078.845672] [] prepare_namespace+0x1cf/0x235 [ 2078.865498] [] kernel_init_freeable+0x4fa/0x518 [ 2078.885052] [] kernel_init+0x16/0x181 [ 2078.900310] [] ret_from_fork+0x1f/0x40 [ 2078.918824] [] ? rest_init+0x8f/0x8f [ 2078.934899] ================================================================================ [ 2078.960366] ================================================================================ [ 2078.986600] UBSAN: Undefined behaviour in fs/jbd2/journal.c:1239:36 [ 2079.002977] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2079.036314] which requires 64 byte alignment [ 2079.050489] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2079.073591] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2079.102060] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d0 ffffffffb26ec5cc [ 2079.125388] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2079.147330] ffff880000000010 ffff88005c9df6f8 ffff88005c9df6a8 ffffffffb363c3e0 [ 2079.175948] Call Trace: [ 2079.182129] [] dump_stack+0xd7/0x132 [ 2079.198375] [] ? arch_local_irq_restore+0x1b/0x1b [ 2079.217941] [] ubsan_epilogue+0x12/0x53 [ 2079.237342] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2079.259473] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2079.281901] [] ? disk_name+0xe8/0xf6 [ 2079.297661] [] jbd2_journal_init_inode+0x35b/0x641 [ 2079.315789] [] ? jbd2_journal_get_descriptor_buffer+0x2c9/0x2c9 [ 2079.339730] [] ext4_fill_super+0x6223/0xa2df [ 2079.359572] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2079.378101] [] ? vsnprintf+0x1a0/0xa32 [ 2079.396301] [] ? pointer+0x7a9/0x7a9 [ 2079.414511] [] ? set_bdev_super+0x15d/0x15d [ 2079.430042] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2079.450871] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2079.473975] [] ? scnprintf+0xf3/0xf3 [ 2079.492989] [] mount_bdev+0x3cf/0x602 [ 2079.512751] [] ? mount_bdev+0x3cf/0x602 [ 2079.528722] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2079.555411] [] ext4_mount+0x3c/0x3e [ 2079.573682] [] mount_fs+0xd0/0x2ca [ 2079.590211] [] vfs_kern_mount+0xa0/0x20a [ 2079.611116] [] do_mount+0x11fe/0x19df [ 2079.628531] [] ? kasan_kmalloc+0x94/0xa3 [ 2079.650121] [] ? copy_mount_string+0x3d/0x3d [ 2079.668856] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2079.691319] [] ? __check_object_size+0x1e1/0x2b8 [ 2079.713527] [] ? 0xffffffffb1c002b8 [ 2079.728570] [] ? copy_mount_options+0x23d/0x24d [ 2079.746709] [] SyS_mount+0xa3/0xda [ 2079.761096] [] mount_block_root+0x2fc/0x650 [ 2079.778505] [] ? init_rootfs+0x99/0x99 [ 2079.794012] [] ? security_file_ioctl+0xa5/0xb4 [ 2079.812639] [] ? SyS_mknod+0x2f/0x36 [ 2079.827829] [] mount_root+0x45/0x48 [ 2079.840150] [] prepare_namespace+0x1cf/0x235 [ 2079.860142] [] kernel_init_freeable+0x4fa/0x518 [ 2079.880560] [] kernel_init+0x16/0x181 [ 2079.897145] [] ret_from_fork+0x1f/0x40 [ 2079.916867] [] ? rest_init+0x8f/0x8f [ 2079.935542] ================================================================================ [ 2079.971772] ================================================================================ [ 2080.000825] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2080.022159] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2080.059320] which requires 64 byte alignment [ 2080.074163] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2080.096424] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2080.128493] 00000000ffffffff 00000000b1a89c60 ffff88005c9df620 ffffffffb26ec5cc [ 2080.152889] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2080.179932] ffff880000000010 ffff88005c9df648 ffff88005c9df5f8 ffffffffb363c3e0 [ 2080.206227] Call Trace: [ 2080.215860] [] dump_stack+0xd7/0x132 [ 2080.235746] [] ? arch_local_irq_restore+0x1b/0x1b [ 2080.255627] [] ubsan_epilogue+0x12/0x53 [ 2080.280277] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2080.312493] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2080.345733] [] ? root_tag_get+0x5b/0x6c [ 2080.368787] [] ? radix_tree_tagged+0x20/0x22 [ 2080.402527] [] ext4_bmap+0x144/0x284 [ 2080.426943] [] ? bmap+0x90/0x128 [ 2080.444630] [] ? ext4_has_inline_data+0x6a/0x6a [ 2080.467498] [] bmap+0x10f/0x128 [ 2080.493418] [] ? jbd2_journal_bmap+0x45/0x125 [ 2080.525846] [] jbd2_journal_bmap+0x80/0x125 [ 2080.556624] [] jbd2_journal_init_inode+0x48e/0x641 [ 2080.581874] [] ? jbd2_journal_get_descriptor_buffer+0x2c9/0x2c9 [ 2080.610815] [] ext4_fill_super+0x6223/0xa2df [ 2080.635103] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2080.660982] [] ? vsnprintf+0x1a0/0xa32 [ 2080.678489] [] ? pointer+0x7a9/0x7a9 [ 2080.696025] [] ? set_bdev_super+0x15d/0x15d [ 2080.714975] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2080.737366] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2080.759391] [] ? scnprintf+0xf3/0xf3 [ 2080.774402] [] mount_bdev+0x3cf/0x602 [ 2080.791685] [] ? mount_bdev+0x3cf/0x602 [ 2080.813182] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2080.878059] [] ext4_mount+0x3c/0x3e [ 2080.913733] [] mount_fs+0xd0/0x2ca [ 2080.927830] [] vfs_kern_mount+0xa0/0x20a [ 2080.947844] [] do_mount+0x11fe/0x19df [ 2080.965486] [] ? kasan_kmalloc+0x94/0xa3 [ 2080.982521] [] ? copy_mount_string+0x3d/0x3d [ 2081.003148] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2081.031896] [] ? __check_object_size+0x1e1/0x2b8 [ 2081.049472] [] ? 0xffffffffb1c002b8 [ 2081.070193] [] ? copy_mount_options+0x23d/0x24d [ 2081.090192] [] SyS_mount+0xa3/0xda [ 2081.107626] [] mount_block_root+0x2fc/0x650 [ 2081.129260] [] ? init_rootfs+0x99/0x99 [ 2081.144670] [] ? security_file_ioctl+0xa5/0xb4 [ 2081.163498] [] ? SyS_mknod+0x2f/0x36 [ 2081.182889] [] mount_root+0x45/0x48 [ 2081.200382] [] prepare_namespace+0x1cf/0x235 [ 2081.221688] [] kernel_init_freeable+0x4fa/0x518 [ 2081.251173] [] kernel_init+0x16/0x181 [ 2081.272051] [] ret_from_fork+0x1f/0x40 [ 2081.295787] [] ? rest_init+0x8f/0x8f [ 2081.317919] ================================================================================ [ 2081.362519] ================================================================================ [ 2081.402865] UBSAN: Undefined behaviour in fs/ext4/inode.c:3157:6 [ 2081.421250] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2081.454693] which requires 64 byte alignment [ 2081.468622] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2081.491880] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2081.529972] 00000000ffffffff 00000000b1a89c60 ffff88005c9df620 ffffffffb26ec5cc [ 2081.558062] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2081.585582] ffff880000000010 ffff88005c9df648 ffff88005c9df5f8 ffffffffb363c3e0 [ 2081.617389] Call Trace: [ 2081.626039] [] dump_stack+0xd7/0x132 [ 2081.643423] [] ? arch_local_irq_restore+0x1b/0x1b [ 2081.666083] [] ubsan_epilogue+0x12/0x53 [ 2081.683719] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2081.708068] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2081.735471] [] ? root_tag_get+0x5b/0x6c [ 2081.749727] [] ? radix_tree_tagged+0x20/0x22 [ 2081.828713] [] ext4_bmap+0x171/0x284 [ 2081.843811] [] ? bmap+0x90/0x128 [ 2081.859922] [] ? ext4_has_inline_data+0x6a/0x6a [ 2081.879940] [] bmap+0x10f/0x128 [ 2081.895707] [] ? jbd2_journal_bmap+0x45/0x125 [ 2081.914694] [] jbd2_journal_bmap+0x80/0x125 [ 2081.932159] [] jbd2_journal_init_inode+0x48e/0x641 [ 2081.953240] [] ? jbd2_journal_get_descriptor_buffer+0x2c9/0x2c9 [ 2081.975170] [] ext4_fill_super+0x6223/0xa2df [ 2081.996734] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2082.015310] [] ? vsnprintf+0x1a0/0xa32 [ 2082.034356] [] ? pointer+0x7a9/0x7a9 [ 2082.052244] [] ? set_bdev_super+0x15d/0x15d [ 2082.069980] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2082.095742] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2082.119538] [] ? scnprintf+0xf3/0xf3 [ 2082.139515] [] mount_bdev+0x3cf/0x602 [ 2082.158025] [] ? mount_bdev+0x3cf/0x602 [ 2082.175528] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2082.197876] [] ext4_mount+0x3c/0x3e [ 2082.214955] [] mount_fs+0xd0/0x2ca [ 2082.229093] [] vfs_kern_mount+0xa0/0x20a [ 2082.247349] [] do_mount+0x11fe/0x19df [ 2082.268918] [] ? kasan_kmalloc+0x94/0xa3 [ 2082.296881] [] ? copy_mount_string+0x3d/0x3d [ 2082.320080] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2082.346564] [] ? __check_object_size+0x1e1/0x2b8 [ 2082.377508] [] ? 0xffffffffb1c002b8 [ 2082.396695] [] ? copy_mount_options+0x23d/0x24d [ 2082.419562] [] SyS_mount+0xa3/0xda [ 2082.440862] [] mount_block_root+0x2fc/0x650 [ 2082.466750] [] ? init_rootfs+0x99/0x99 [ 2082.487289] [] ? security_file_ioctl+0xa5/0xb4 [ 2082.511054] [] ? SyS_mknod+0x2f/0x36 [ 2082.528799] [] mount_root+0x45/0x48 [ 2082.547926] [] prepare_namespace+0x1cf/0x235 [ 2082.569548] [] kernel_init_freeable+0x4fa/0x518 [ 2082.594411] [] kernel_init+0x16/0x181 [ 2082.615901] [] ret_from_fork+0x1f/0x40 [ 2082.635530] [] ? rest_init+0x8f/0x8f [ 2082.658084] ================================================================================ [ 2082.691591] ================================================================================ [ 2082.726808] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2082.750389] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2082.786732] which requires 64 byte alignment [ 2082.803201] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2082.821727] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2082.856712] 00000000ffffffff 00000000b1a89c60 ffff88005c9df2f0 ffffffffb26ec5cc [ 2082.882787] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2082.906535] 0000000000000010 ffff88005c9df318 ffff88005c9df2c8 ffffffffb363c3e0 [ 2082.931255] Call Trace: [ 2082.938358] [] dump_stack+0xd7/0x132 [ 2082.955699] [] ? arch_local_irq_restore+0x1b/0x1b [ 2082.975350] [] ubsan_epilogue+0x12/0x53 [ 2082.994438] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2083.015992] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2083.037797] [] ? paravirt_sched_clock+0x9/0xd [ 2083.058409] [] ext4_es_lookup_extent+0x357/0x73e [ 2083.077617] [] ext4_map_blocks+0x18a/0xef8 [ 2083.098977] [] ? ext4_issue_zeroout+0x182/0x182 [ 2083.117126] [] _ext4_get_block+0x17a/0x291 [ 2083.135131] [] ? ext4_map_blocks+0xef8/0xef8 [ 2083.156049] [] ? vprintk_default+0x65/0x6e [ 2083.173772] [] ? _ext4_get_block+0x291/0x291 [ 2083.192334] [] ext4_get_block+0x39/0x40 [ 2083.212262] [] generic_block_bmap+0x13b/0x187 [ 2083.233091] [] ? touch_buffer+0x132/0x132 [ 2083.253380] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2083.277670] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2083.302678] [] ? root_tag_get+0x5b/0x6c [ 2083.319662] [] ? radix_tree_tagged+0x20/0x22 [ 2083.338315] [] ext4_bmap+0x19e/0x284 [ 2083.356029] [] ? bmap+0x90/0x128 [ 2083.443082] [] ? ext4_has_inline_data+0x6a/0x6a [ 2083.462695] [] bmap+0x10f/0x128 [ 2083.477108] [] ? jbd2_journal_bmap+0x45/0x125 [ 2083.496669] [] jbd2_journal_bmap+0x80/0x125 [ 2083.513783] [] jbd2_journal_init_inode+0x48e/0x641 [ 2083.535965] [] ? jbd2_journal_get_descriptor_buffer+0x2c9/0x2c9 [ 2083.561117] [] ext4_fill_super+0x6223/0xa2df [ 2083.578392] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2083.599576] [] ? vsnprintf+0x1a0/0xa32 [ 2083.618193] [] ? pointer+0x7a9/0x7a9 [ 2083.635773] [] ? set_bdev_super+0x15d/0x15d [ 2083.656909] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2083.682025] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2083.706441] [] ? scnprintf+0xf3/0xf3 [ 2083.722810] [] mount_bdev+0x3cf/0x602 [ 2083.739842] [] ? mount_bdev+0x3cf/0x602 [ 2083.757240] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2083.779122] [] ext4_mount+0x3c/0x3e [ 2083.795413] [] mount_fs+0xd0/0x2ca [ 2083.810663] [] vfs_kern_mount+0xa0/0x20a [ 2083.829990] [] do_mount+0x11fe/0x19df [ 2083.845993] [] ? kasan_kmalloc+0x94/0xa3 [ 2083.862344] [] ? copy_mount_string+0x3d/0x3d [ 2083.882928] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2083.901835] [] ? __check_object_size+0x1e1/0x2b8 [ 2083.918453] [] ? 0xffffffffb1c002b8 [ 2083.934662] [] ? copy_mount_options+0x23d/0x24d [ 2083.953755] [] SyS_mount+0xa3/0xda [ 2083.968503] [] mount_block_root+0x2fc/0x650 [ 2083.989288] [] ? init_rootfs+0x99/0x99 [ 2084.007738] [] ? security_file_ioctl+0xa5/0xb4 [ 2084.025242] [] ? SyS_mknod+0x2f/0x36 [ 2084.042493] [] mount_root+0x45/0x48 [ 2084.058855] [] prepare_namespace+0x1cf/0x235 [ 2084.075282] [] kernel_init_freeable+0x4fa/0x518 [ 2084.094314] [] kernel_init+0x16/0x181 [ 2084.110628] [] ret_from_fork+0x1f/0x40 [ 2084.126820] [] ? rest_init+0x8f/0x8f [ 2084.143038] ================================================================================ [ 2084.176796] ================================================================================ [ 2084.201551] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2084.216312] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2084.242348] which requires 64 byte alignment [ 2084.254843] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2084.270277] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2084.302037] 00000000ffffffff 00000000b1a89c60 ffff88005c9df0d0 ffffffffb26ec5cc [ 2084.326465] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2084.345833] ffff880000000010 ffff88005c9df0f8 ffff88005c9df0a8 ffffffffb363c3e0 [ 2084.377201] Call Trace: [ 2084.395160] [] dump_stack+0xd7/0x132 [ 2084.416925] [] ? arch_local_irq_restore+0x1b/0x1b [ 2084.438193] [] ubsan_epilogue+0x12/0x53 [ 2084.456548] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2084.477342] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2084.498048] [] ? __asan_storeN+0x12/0x14 [ 2084.516005] [] ? native_load_sp0+0x5d/0x66 [ 2084.533849] [] ext4_ext_map_blocks+0x14f/0x25b7 [ 2084.551410] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 2084.572158] [] ? balance_callback+0x3a/0x137 [ 2084.591521] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 2084.612539] [] ? __schedule+0x123d/0x126c [ 2084.633102] [] ? io_schedule_timeout+0x33d/0x33d [ 2084.652130] [] ? arch_local_irq_restore+0x6/0xd [ 2084.682430] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2084.711743] [] ? preempt_schedule_common+0x2c/0x33 [ 2084.737249] [] ? _cond_resched+0x19/0x23 [ 2084.758961] [] ? down_read+0xc7/0x101 [ 2084.783316] [] ? down_write_killable+0xfb/0xfb [ 2084.801685] [] ext4_map_blocks+0x46f/0xef8 [ 2084.820811] [] ? ext4_issue_zeroout+0x182/0x182 [ 2084.841485] [] _ext4_get_block+0x17a/0x291 [ 2084.859604] [] ? ext4_map_blocks+0xef8/0xef8 [ 2084.879224] [] ? vprintk_default+0x65/0x6e [ 2084.897505] [] ? _ext4_get_block+0x291/0x291 [ 2084.918078] [] ext4_get_block+0x39/0x40 [ 2084.936834] [] generic_block_bmap+0x13b/0x187 [ 2084.958419] [] ? touch_buffer+0x132/0x132 [ 2084.976383] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2084.996245] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2085.018054] [] ? root_tag_get+0x5b/0x6c [ 2085.034795] [] ? radix_tree_tagged+0x20/0x22 [ 2085.055209] [] ext4_bmap+0x19e/0x284 [ 2085.072679] [] ? bmap+0x90/0x128 [ 2085.090144] [] ? ext4_has_inline_data+0x6a/0x6a [ 2085.110259] [] bmap+0x10f/0x128 [ 2085.123080] [] ? jbd2_journal_bmap+0x45/0x125 [ 2085.142826] [] jbd2_journal_bmap+0x80/0x125 [ 2085.162710] [] jbd2_journal_init_inode+0x48e/0x641 [ 2085.184839] [] ? jbd2_journal_get_descriptor_buffer+0x2c9/0x2c9 [ 2085.209731] [] ext4_fill_super+0x6223/0xa2df [ 2085.226843] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2085.249132] [] ? vsnprintf+0x1a0/0xa32 [ 2085.266763] [] ? pointer+0x7a9/0x7a9 [ 2085.285474] [] ? set_bdev_super+0x15d/0x15d [ 2085.305160] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2085.327491] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2085.347270] [] ? scnprintf+0xf3/0xf3 [ 2085.362999] [] mount_bdev+0x3cf/0x602 [ 2085.379134] [] ? mount_bdev+0x3cf/0x602 [ 2085.396906] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2085.417239] [] ext4_mount+0x3c/0x3e [ 2085.433367] [] mount_fs+0xd0/0x2ca [ 2085.450035] [] vfs_kern_mount+0xa0/0x20a [ 2085.468340] [] do_mount+0x11fe/0x19df [ 2085.486026] [] ? kasan_kmalloc+0x94/0xa3 [ 2085.501883] [] ? copy_mount_string+0x3d/0x3d [ 2085.520810] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2085.539338] [] ? __check_object_size+0x1e1/0x2b8 [ 2085.560387] [] ? 0xffffffffb1c002b8 [ 2085.577904] [] ? copy_mount_options+0x23d/0x24d [ 2085.597822] [] SyS_mount+0xa3/0xda [ 2085.613497] [] mount_block_root+0x2fc/0x650 [ 2085.631294] [] ? init_rootfs+0x99/0x99 [ 2085.647152] [] ? security_file_ioctl+0xa5/0xb4 [ 2085.666843] [] ? SyS_mknod+0x2f/0x36 [ 2085.683393] [] mount_root+0x45/0x48 [ 2085.699497] [] prepare_namespace+0x1cf/0x235 [ 2085.720912] [] kernel_init_freeable+0x4fa/0x518 [ 2085.746920] [] kernel_init+0x16/0x181 [ 2085.762681] [] ret_from_fork+0x1f/0x40 [ 2085.781953] [] ? rest_init+0x8f/0x8f [ 2085.798448] ================================================================================ [ 2085.830982] ================================================================================ [ 2085.857202] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2085.876723] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2085.905985] which requires 64 byte alignment [ 2085.920030] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2085.941709] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2085.973041] 00000000ffffffff 00000000b1a89c60 ffff88005c9df1c0 ffffffffb26ec5cc [ 2085.998089] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2086.024546] ffffffff00000010 ffff88005c9df1e8 ffff88005c9df198 ffffffffb363c3e0 [ 2086.054947] Call Trace: [ 2086.061384] [] dump_stack+0xd7/0x132 [ 2086.079691] [] ? arch_local_irq_restore+0x1b/0x1b [ 2086.100354] [] ubsan_epilogue+0x12/0x53 [ 2086.117289] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2086.140335] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2086.166532] [] ? __es_insert_extent+0x672/0xb3d [ 2086.184750] [] __es_insert_extent+0x78f/0xb3d [ 2086.203994] [] ext4_es_insert_extent+0x259/0x413 [ 2086.228995] [] ? ext4_es_find_delayed_extent_range+0x60f/0x60f [ 2086.255080] [] ? _cond_resched+0x19/0x23 [ 2086.274880] [] ? down_read+0xc7/0x101 [ 2086.290483] [] ? down_write_killable+0xfb/0xfb [ 2086.309565] [] ext4_map_blocks+0x6b2/0xef8 [ 2086.331142] [] ? ext4_issue_zeroout+0x182/0x182 [ 2086.352444] [] _ext4_get_block+0x17a/0x291 [ 2086.368959] [] ? ext4_map_blocks+0xef8/0xef8 [ 2086.389335] [] ? _ext4_get_block+0x291/0x291 [ 2086.409318] [] ext4_get_block+0x39/0x40 [ 2086.429823] [] generic_block_bmap+0x13b/0x187 [ 2086.449107] [] ? touch_buffer+0x132/0x132 [ 2086.466581] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2086.491631] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2086.515826] [] ? root_tag_get+0x5b/0x6c [ 2086.533985] [] ? radix_tree_tagged+0x20/0x22 [ 2086.552609] [] ext4_bmap+0x19e/0x284 [ 2086.569697] [] ? bmap+0x90/0x128 [ 2086.584603] [] ? ext4_has_inline_data+0x6a/0x6a [ 2086.602463] [] bmap+0x10f/0x128 [ 2086.618265] [] ? jbd2_journal_bmap+0x45/0x125 [ 2086.636941] [] jbd2_journal_bmap+0x80/0x125 [ 2086.653842] [] jbd2_journal_init_inode+0x48e/0x641 [ 2086.675020] [] ? jbd2_journal_get_descriptor_buffer+0x2c9/0x2c9 [ 2086.697440] [] ext4_fill_super+0x6223/0xa2df [ 2086.716836] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2086.736746] [] ? vsnprintf+0x1a0/0xa32 [ 2086.752986] [] ? pointer+0x7a9/0x7a9 [ 2086.767044] [] ? set_bdev_super+0x15d/0x15d [ 2086.786090] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2086.810127] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2086.835625] [] ? scnprintf+0xf3/0xf3 [ 2086.851401] [] mount_bdev+0x3cf/0x602 [ 2086.867900] [] ? mount_bdev+0x3cf/0x602 [ 2086.885940] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2086.904079] [] ext4_mount+0x3c/0x3e [ 2086.920137] [] mount_fs+0xd0/0x2ca [ 2086.936454] [] vfs_kern_mount+0xa0/0x20a [ 2086.952981] [] do_mount+0x11fe/0x19df [ 2086.968302] [] ? kasan_kmalloc+0x94/0xa3 [ 2086.985868] [] ? copy_mount_string+0x3d/0x3d [ 2087.001448] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2087.025099] [] ? __check_object_size+0x1e1/0x2b8 [ 2087.043301] [] ? 0xffffffffb1c002b8 [ 2087.059178] [] ? copy_mount_options+0x23d/0x24d [ 2087.076262] [] SyS_mount+0xa3/0xda [ 2087.092346] [] mount_block_root+0x2fc/0x650 [ 2087.110253] [] ? init_rootfs+0x99/0x99 [ 2087.126997] [] ? security_file_ioctl+0xa5/0xb4 [ 2087.146209] [] ? SyS_mknod+0x2f/0x36 [ 2087.160748] [] mount_root+0x45/0x48 [ 2087.178255] [] prepare_namespace+0x1cf/0x235 [ 2087.195867] [] kernel_init_freeable+0x4fa/0x518 [ 2087.217784] [] kernel_init+0x16/0x181 [ 2087.235654] [] ret_from_fork+0x1f/0x40 [ 2087.252888] [] ? rest_init+0x8f/0x8f [ 2087.266975] ================================================================================ [ 2087.295934] ================================================================================ [ 2087.323193] UBSAN: Undefined behaviour in fs/ext4/extents_status.c:309:6 [ 2087.343717] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2087.372269] which requires 64 byte alignment [ 2087.385265] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2087.400639] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2087.435276] 00000000ffffffff 00000000b1a89c60 ffff88005c9df1c0 ffffffffb26ec5cc [ 2087.458454] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2087.483296] ffff880000000010 ffff88005c9df1e8 ffff88005c9df198 ffffffffb363c3e0 [ 2087.504069] Call Trace: [ 2087.516703] [] dump_stack+0xd7/0x132 [ 2087.532745] [] ? arch_local_irq_restore+0x1b/0x1b [ 2087.551519] [] ubsan_epilogue+0x12/0x53 [ 2087.568364] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2087.588665] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2087.616390] [] ? __es_insert_extent+0x672/0xb3d [ 2087.637789] [] __es_insert_extent+0x890/0xb3d [ 2087.658740] [] ext4_es_insert_extent+0x259/0x413 [ 2087.680705] [] ? ext4_es_find_delayed_extent_range+0x60f/0x60f [ 2087.704590] [] ? _cond_resched+0x19/0x23 [ 2087.721232] [] ? down_read+0xc7/0x101 [ 2087.738892] [] ? down_write_killable+0xfb/0xfb [ 2087.757279] [] ext4_map_blocks+0x6b2/0xef8 [ 2087.773932] [] ? ext4_issue_zeroout+0x182/0x182 [ 2087.793428] [] _ext4_get_block+0x17a/0x291 [ 2087.808937] [] ? ext4_map_blocks+0xef8/0xef8 [ 2087.823943] [] ? _ext4_get_block+0x291/0x291 [ 2087.840844] [] ext4_get_block+0x39/0x40 [ 2087.859109] [] generic_block_bmap+0x13b/0x187 [ 2087.879511] [] ? touch_buffer+0x132/0x132 [ 2087.895727] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2087.915850] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2087.938747] [] ? root_tag_get+0x5b/0x6c [ 2087.955917] [] ? radix_tree_tagged+0x20/0x22 [ 2087.973135] [] ext4_bmap+0x19e/0x284 [ 2087.989598] [] ? bmap+0x90/0x128 [ 2088.002273] [] ? ext4_has_inline_data+0x6a/0x6a [ 2088.024534] [] bmap+0x10f/0x128 [ 2088.038957] [] ? jbd2_journal_bmap+0x45/0x125 [ 2088.058728] [] jbd2_journal_bmap+0x80/0x125 [ 2088.074737] [] jbd2_journal_init_inode+0x48e/0x641 [ 2088.091832] [] ? jbd2_journal_get_descriptor_buffer+0x2c9/0x2c9 [ 2088.114499] [] ext4_fill_super+0x6223/0xa2df [ 2088.131661] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2088.153187] [] ? vsnprintf+0x1a0/0xa32 [ 2088.167777] [] ? pointer+0x7a9/0x7a9 [ 2088.185130] [] ? set_bdev_super+0x15d/0x15d [ 2088.204134] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2088.228718] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2088.255533] [] ? scnprintf+0xf3/0xf3 [ 2088.267690] [] mount_bdev+0x3cf/0x602 [ 2088.280969] [] ? mount_bdev+0x3cf/0x602 [ 2088.296314] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2088.315748] [] ext4_mount+0x3c/0x3e [ 2088.330274] [] mount_fs+0xd0/0x2ca [ 2088.344206] [] vfs_kern_mount+0xa0/0x20a [ 2088.359960] [] do_mount+0x11fe/0x19df [ 2088.374659] [] ? kasan_kmalloc+0x94/0xa3 [ 2088.393589] [] ? copy_mount_string+0x3d/0x3d [ 2088.409814] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2088.426691] [] ? __check_object_size+0x1e1/0x2b8 [ 2088.442878] [] ? 0xffffffffb1c002b8 [ 2088.459045] [] ? copy_mount_options+0x23d/0x24d [ 2088.478127] [] SyS_mount+0xa3/0xda [ 2088.496204] [] mount_block_root+0x2fc/0x650 [ 2088.512764] [] ? init_rootfs+0x99/0x99 [ 2088.526048] [] ? security_file_ioctl+0xa5/0xb4 [ 2088.544549] [] ? SyS_mknod+0x2f/0x36 [ 2088.557255] [] mount_root+0x45/0x48 [ 2088.574949] [] prepare_namespace+0x1cf/0x235 [ 2088.593153] [] kernel_init_freeable+0x4fa/0x518 [ 2088.613367] [] kernel_init+0x16/0x181 [ 2088.628653] [] ret_from_fork+0x1f/0x40 [ 2088.642228] [] ? rest_init+0x8f/0x8f [ 2088.661763] ================================================================================ [ 2088.686174] ================================================================================ [ 2088.708559] UBSAN: Undefined behaviour in fs/ext4/extents_status.c:309:21 [ 2088.728609] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2088.754039] which requires 64 byte alignment [ 2088.765736] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2088.781788] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2088.806563] 00000000ffffffff 00000000b1a89c60 ffff88005c9df1c0 ffffffffb26ec5cc [ 2088.827197] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2088.847199] ffff880000000010 ffff88005c9df1e8 ffff88005c9df198 ffffffffb363c3e0 [ 2088.870077] Call Trace: [ 2088.876503] [] dump_stack+0xd7/0x132 [ 2088.891805] [] ? arch_local_irq_restore+0x1b/0x1b [ 2088.909030] [] ubsan_epilogue+0x12/0x53 [ 2088.922796] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2088.942273] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2088.965202] [] ? __es_insert_extent+0x672/0xb3d [ 2088.982238] [] __es_insert_extent+0x8db/0xb3d [ 2088.999180] [] ext4_es_insert_extent+0x259/0x413 [ 2089.016702] [] ? ext4_es_find_delayed_extent_range+0x60f/0x60f [ 2089.037516] [] ? _cond_resched+0x19/0x23 [ 2089.056995] [] ? down_read+0xc7/0x101 [ 2089.073050] [] ? down_write_killable+0xfb/0xfb [ 2089.091370] [] ext4_map_blocks+0x6b2/0xef8 [ 2089.111050] [] ? ext4_issue_zeroout+0x182/0x182 [ 2089.133826] [] _ext4_get_block+0x17a/0x291 [ 2089.161248] [] ? ext4_map_blocks+0xef8/0xef8 [ 2089.179556] [] ? _ext4_get_block+0x291/0x291 [ 2089.196469] [] ext4_get_block+0x39/0x40 [ 2089.212406] [] generic_block_bmap+0x13b/0x187 [ 2089.228063] [] ? touch_buffer+0x132/0x132 [ 2089.242785] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2089.264713] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2089.284782] [] ? root_tag_get+0x5b/0x6c [ 2089.299364] [] ? radix_tree_tagged+0x20/0x22 [ 2089.316299] [] ext4_bmap+0x19e/0x284 [ 2089.333161] [] ? bmap+0x90/0x128 [ 2089.366436] [] ? ext4_has_inline_data+0x6a/0x6a [ 2089.397027] [] bmap+0x10f/0x128 [ 2089.427772] [] ? jbd2_journal_bmap+0x45/0x125 [ 2089.443058] [] jbd2_journal_bmap+0x80/0x125 [ 2089.459609] [] jbd2_journal_init_inode+0x48e/0x641 [ 2089.478347] [] ? jbd2_journal_get_descriptor_buffer+0x2c9/0x2c9 [ 2089.499003] [] ext4_fill_super+0x6223/0xa2df [ 2089.516916] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2089.534309] [] ? vsnprintf+0x1a0/0xa32 [ 2089.547874] [] ? pointer+0x7a9/0x7a9 [ 2089.565916] [] ? set_bdev_super+0x15d/0x15d [ 2089.581027] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2089.601239] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2089.623107] [] ? scnprintf+0xf3/0xf3 [ 2089.640716] [] mount_bdev+0x3cf/0x602 [ 2089.658894] [] ? mount_bdev+0x3cf/0x602 [ 2089.672996] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2089.691507] [] ext4_mount+0x3c/0x3e [ 2089.713103] [] mount_fs+0xd0/0x2ca [ 2089.726400] [] vfs_kern_mount+0xa0/0x20a [ 2089.741430] [] do_mount+0x11fe/0x19df [ 2089.756478] [] ? kasan_kmalloc+0x94/0xa3 [ 2089.771211] [] ? copy_mount_string+0x3d/0x3d [ 2089.787357] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2089.803425] [] ? __check_object_size+0x1e1/0x2b8 [ 2089.820095] [] ? 0xffffffffb1c002b8 [ 2089.834312] [] ? copy_mount_options+0x23d/0x24d [ 2089.849636] [] SyS_mount+0xa3/0xda [ 2089.863481] [] mount_block_root+0x2fc/0x650 [ 2089.880254] [] ? init_rootfs+0x99/0x99 [ 2089.897437] [] ? security_file_ioctl+0xa5/0xb4 [ 2089.916805] [] ? SyS_mknod+0x2f/0x36 [ 2089.933511] [] mount_root+0x45/0x48 [ 2089.948882] [] prepare_namespace+0x1cf/0x235 [ 2089.964275] [] kernel_init_freeable+0x4fa/0x518 [ 2089.984789] [] kernel_init+0x16/0x181 [ 2090.001910] [] ret_from_fork+0x1f/0x40 [ 2090.017544] [] ? rest_init+0x8f/0x8f [ 2090.032927] ================================================================================ [ 2090.055739] ================================================================================ [ 2090.081207] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2090.097717] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2090.122269] which requires 64 byte alignment [ 2090.135611] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2090.152764] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2090.180424] 00000000ffffffff 00000000b1a89c60 ffff88005c9df1c0 ffffffffb26ec5cc [ 2090.201181] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2090.221726] ffff880000000010 ffff88005c9df1e8 ffff88005c9df198 ffffffffb363c3e0 [ 2090.241778] Call Trace: [ 2090.252716] [] dump_stack+0xd7/0x132 [ 2090.269632] [] ? arch_local_irq_restore+0x1b/0x1b [ 2090.288561] [] ubsan_epilogue+0x12/0x53 [ 2090.302707] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2090.324345] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2090.344188] [] ? __es_insert_extent+0x672/0xb3d [ 2090.360721] [] __es_insert_extent+0x939/0xb3d [ 2090.378091] [] ext4_es_insert_extent+0x259/0x413 [ 2090.393937] [] ? ext4_es_find_delayed_extent_range+0x60f/0x60f [ 2090.416265] [] ? _cond_resched+0x19/0x23 [ 2090.432332] [] ? down_read+0xc7/0x101 [ 2090.446631] [] ? down_write_killable+0xfb/0xfb [ 2090.462375] [] ext4_map_blocks+0x6b2/0xef8 [ 2090.481577] [] ? ext4_issue_zeroout+0x182/0x182 [ 2090.498689] [] _ext4_get_block+0x17a/0x291 [ 2090.516065] [] ? ext4_map_blocks+0xef8/0xef8 [ 2090.532966] [] ? _ext4_get_block+0x291/0x291 [ 2090.548858] [] ext4_get_block+0x39/0x40 [ 2090.564237] [] generic_block_bmap+0x13b/0x187 [ 2090.580877] [] ? touch_buffer+0x132/0x132 [ 2090.596829] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2090.616068] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2090.635497] [] ? root_tag_get+0x5b/0x6c [ 2090.656334] [] ? radix_tree_tagged+0x20/0x22 [ 2090.673435] [] ext4_bmap+0x19e/0x284 [ 2090.688011] [] ? bmap+0x90/0x128 [ 2090.702431] [] ? ext4_has_inline_data+0x6a/0x6a [ 2090.720756] [] bmap+0x10f/0x128 [ 2090.731770] [] ? jbd2_journal_bmap+0x45/0x125 [ 2090.752286] [] jbd2_journal_bmap+0x80/0x125 [ 2090.777609] [] jbd2_journal_init_inode+0x48e/0x641 [ 2090.804738] [] ? jbd2_journal_get_descriptor_buffer+0x2c9/0x2c9 [ 2090.836876] [] ext4_fill_super+0x6223/0xa2df [ 2090.857278] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2090.878590] [] ? vsnprintf+0x1a0/0xa32 [ 2090.894464] [] ? pointer+0x7a9/0x7a9 [ 2090.914263] [] ? set_bdev_super+0x15d/0x15d [ 2090.929408] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2090.950121] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2090.970315] [] ? scnprintf+0xf3/0xf3 [ 2090.986367] [] mount_bdev+0x3cf/0x602 [ 2091.001422] [] ? mount_bdev+0x3cf/0x602 [ 2091.017710] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2091.036169] [] ext4_mount+0x3c/0x3e [ 2091.050118] [] mount_fs+0xd0/0x2ca [ 2091.070240] [] vfs_kern_mount+0xa0/0x20a [ 2091.086982] [] do_mount+0x11fe/0x19df [ 2091.100818] [] ? kasan_kmalloc+0x94/0xa3 [ 2091.119328] [] ? copy_mount_string+0x3d/0x3d [ 2091.137667] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2091.158540] [] ? __check_object_size+0x1e1/0x2b8 [ 2091.177185] [] ? 0xffffffffb1c002b8 [ 2091.195134] [] ? copy_mount_options+0x23d/0x24d [ 2091.212898] [] SyS_mount+0xa3/0xda [ 2091.228599] [] mount_block_root+0x2fc/0x650 [ 2091.243275] [] ? init_rootfs+0x99/0x99 [ 2091.260366] [] ? security_file_ioctl+0xa5/0xb4 [ 2091.278274] [] ? SyS_mknod+0x2f/0x36 [ 2091.295530] [] mount_root+0x45/0x48 [ 2091.309252] [] prepare_namespace+0x1cf/0x235 [ 2091.324772] [] kernel_init_freeable+0x4fa/0x518 [ 2091.346610] [] kernel_init+0x16/0x181 [ 2091.361470] [] ret_from_fork+0x1f/0x40 [ 2091.380166] [] ? rest_init+0x8f/0x8f [ 2091.396001] ================================================================================ [ 2091.421688] ================================================================================ [ 2091.448547] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2091.468288] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2091.498532] which requires 64 byte alignment [ 2091.518273] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2091.540391] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2091.581593] 00000000ffffffff 00000000b1a89c60 ffff88005c9df1c0 ffffffffb26ec5cc [ 2091.612767] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2091.642898] ffff880000000010 ffff88005c9df1e8 ffff88005c9df198 ffffffffb363c3e0 [ 2091.669465] Call Trace: [ 2091.678174] [] dump_stack+0xd7/0x132 [ 2091.695402] [] ? arch_local_irq_restore+0x1b/0x1b [ 2091.720556] [] ubsan_epilogue+0x12/0x53 [ 2091.743826] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2091.776221] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2091.800937] [] ? __percpu_counter_add+0x180/0x18c [ 2091.821718] [] __es_insert_extent+0xa08/0xb3d [ 2091.839437] [] ext4_es_insert_extent+0x259/0x413 [ 2091.856958] [] ? ext4_es_find_delayed_extent_range+0x60f/0x60f [ 2091.881249] [] ? _cond_resched+0x19/0x23 [ 2091.899506] [] ? down_read+0xc7/0x101 [ 2091.916353] [] ? down_write_killable+0xfb/0xfb [ 2091.934708] [] ext4_map_blocks+0x6b2/0xef8 [ 2091.950125] [] ? ext4_issue_zeroout+0x182/0x182 [ 2091.967433] [] _ext4_get_block+0x17a/0x291 [ 2091.982701] [] ? ext4_map_blocks+0xef8/0xef8 [ 2091.999168] [] ? _ext4_get_block+0x291/0x291 [ 2092.016269] [] ext4_get_block+0x39/0x40 [ 2092.032470] [] generic_block_bmap+0x13b/0x187 [ 2092.052637] [] ? touch_buffer+0x132/0x132 [ 2092.074095] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2092.095258] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2092.117584] [] ? root_tag_get+0x5b/0x6c [ 2092.134480] [] ? radix_tree_tagged+0x20/0x22 [ 2092.154046] [] ext4_bmap+0x19e/0x284 [ 2092.169134] [] ? bmap+0x90/0x128 [ 2092.185079] [] ? ext4_has_inline_data+0x6a/0x6a [ 2092.205545] [] bmap+0x10f/0x128 [ 2092.225823] [] ? jbd2_journal_bmap+0x45/0x125 [ 2092.244119] [] jbd2_journal_bmap+0x80/0x125 [ 2092.268172] [] jbd2_journal_init_inode+0x48e/0x641 [ 2092.292342] [] ? jbd2_journal_get_descriptor_buffer+0x2c9/0x2c9 [ 2092.316933] [] ext4_fill_super+0x6223/0xa2df [ 2092.336075] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2092.358170] [] ? vsnprintf+0x1a0/0xa32 [ 2092.374595] [] ? pointer+0x7a9/0x7a9 [ 2092.395953] [] ? set_bdev_super+0x15d/0x15d [ 2092.417710] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2092.441941] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2092.471295] [] ? scnprintf+0xf3/0xf3 [ 2092.489545] [] mount_bdev+0x3cf/0x602 [ 2092.505636] [] ? mount_bdev+0x3cf/0x602 [ 2092.520494] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2092.536316] [] ext4_mount+0x3c/0x3e [ 2092.550671] [] mount_fs+0xd0/0x2ca [ 2092.563608] [] vfs_kern_mount+0xa0/0x20a [ 2092.580819] [] do_mount+0x11fe/0x19df [ 2092.599434] [] ? kasan_kmalloc+0x94/0xa3 [ 2092.615941] [] ? copy_mount_string+0x3d/0x3d [ 2092.634553] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2092.650766] [] ? __check_object_size+0x1e1/0x2b8 [ 2092.671593] [] ? 0xffffffffb1c002b8 [ 2092.687350] [] ? copy_mount_options+0x23d/0x24d [ 2092.703340] [] SyS_mount+0xa3/0xda [ 2092.718728] [] mount_block_root+0x2fc/0x650 [ 2092.736875] [] ? init_rootfs+0x99/0x99 [ 2092.753800] [] ? security_file_ioctl+0xa5/0xb4 [ 2092.771683] [] ? SyS_mknod+0x2f/0x36 [ 2092.787397] [] mount_root+0x45/0x48 [ 2092.803893] [] prepare_namespace+0x1cf/0x235 [ 2092.821188] [] kernel_init_freeable+0x4fa/0x518 [ 2092.839918] [] kernel_init+0x16/0x181 [ 2092.855569] [] ret_from_fork+0x1f/0x40 [ 2092.873552] [] ? rest_init+0x8f/0x8f [ 2092.893449] ================================================================================ [ 2092.917287] ================================================================================ [ 2092.945718] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2092.963691] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2092.995878] which requires 64 byte alignment [ 2093.013101] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2093.031599] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2093.061030] 00000000ffffffff 00000000b1a89c60 ffff88005c9df2f8 ffffffffb26ec5cc [ 2093.083914] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2093.108828] 0000000000000010 ffff88005c9df320 ffff88005c9df2d0 ffffffffb363c3e0 [ 2093.135551] Call Trace: [ 2093.142380] [] dump_stack+0xd7/0x132 [ 2093.159005] [] ? arch_local_irq_restore+0x1b/0x1b [ 2093.180642] [] ubsan_epilogue+0x12/0x53 [ 2093.199365] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2093.218422] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2093.241406] [] ? _cond_resched+0x19/0x23 [ 2093.260826] [] ? down_read+0xc7/0x101 [ 2093.279598] [] __check_block_validity.constprop.35+0x9f/0x179 [ 2093.303745] [] ext4_map_blocks+0x713/0xef8 [ 2093.321761] [] ? ext4_issue_zeroout+0x182/0x182 [ 2093.341247] [] _ext4_get_block+0x17a/0x291 [ 2093.359831] [] ? ext4_map_blocks+0xef8/0xef8 [ 2093.379094] [] ? _ext4_get_block+0x291/0x291 [ 2093.399314] [] ext4_get_block+0x39/0x40 [ 2093.418131] [] generic_block_bmap+0x13b/0x187 [ 2093.442915] [] ? touch_buffer+0x132/0x132 [ 2093.465363] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2093.493011] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2093.519688] [] ? root_tag_get+0x5b/0x6c [ 2093.539491] [] ? radix_tree_tagged+0x20/0x22 [ 2093.560089] [] ext4_bmap+0x19e/0x284 [ 2093.579840] [] ? bmap+0x90/0x128 [ 2093.596445] [] ? ext4_has_inline_data+0x6a/0x6a [ 2093.618965] [] bmap+0x10f/0x128 [ 2093.635159] [] ? jbd2_journal_bmap+0x45/0x125 [ 2093.656188] [] jbd2_journal_bmap+0x80/0x125 [ 2093.675663] [] jbd2_journal_init_inode+0x48e/0x641 [ 2093.698273] [] ? jbd2_journal_get_descriptor_buffer+0x2c9/0x2c9 [ 2093.726718] [] ext4_fill_super+0x6223/0xa2df [ 2093.743287] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2093.763695] [] ? vsnprintf+0x1a0/0xa32 [ 2093.778911] [] ? pointer+0x7a9/0x7a9 [ 2093.794545] [] ? set_bdev_super+0x15d/0x15d [ 2093.810609] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2093.831892] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2093.853384] [] ? scnprintf+0xf3/0xf3 [ 2093.871350] [] mount_bdev+0x3cf/0x602 [ 2093.885568] [] ? mount_bdev+0x3cf/0x602 [ 2093.900024] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2093.918040] [] ext4_mount+0x3c/0x3e [ 2093.935326] [] mount_fs+0xd0/0x2ca [ 2093.953575] [] vfs_kern_mount+0xa0/0x20a [ 2093.971693] [] do_mount+0x11fe/0x19df [ 2093.987865] [] ? kasan_kmalloc+0x94/0xa3 [ 2094.004425] [] ? copy_mount_string+0x3d/0x3d [ 2094.027161] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2094.044865] [] ? __check_object_size+0x1e1/0x2b8 [ 2094.066324] [] ? 0xffffffffb1c002b8 [ 2094.085365] [] ? copy_mount_options+0x23d/0x24d [ 2094.109773] [] SyS_mount+0xa3/0xda [ 2094.129492] [] mount_block_root+0x2fc/0x650 [ 2094.152802] [] ? init_rootfs+0x99/0x99 [ 2094.172518] [] ? security_file_ioctl+0xa5/0xb4 [ 2094.197197] [] ? SyS_mknod+0x2f/0x36 [ 2094.216560] [] mount_root+0x45/0x48 [ 2094.237595] [] prepare_namespace+0x1cf/0x235 [ 2094.256504] [] kernel_init_freeable+0x4fa/0x518 [ 2094.276152] [] kernel_init+0x16/0x181 [ 2094.297752] [] ret_from_fork+0x1f/0x40 [ 2094.317382] [] ? rest_init+0x8f/0x8f [ 2094.336280] ================================================================================ [ 2094.362658] ================================================================================ [ 2094.391646] UBSAN: Undefined behaviour in ./include/linux/buffer_head.h:339:17 [ 2094.424365] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2094.464239] which requires 64 byte alignment [ 2094.482178] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2094.502391] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2094.550623] 00000000ffffffff 00000000b1a89c60 ffff88005c9df410 ffffffffb26ec5cc [ 2094.579051] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2094.623791] 0000000000000010 ffff88005c9df438 ffff88005c9df3e8 ffffffffb363c3e0 [ 2094.647511] Call Trace: [ 2094.672012] [] dump_stack+0xd7/0x132 [ 2094.694759] [] ? arch_local_irq_restore+0x1b/0x1b [ 2094.720529] [] ubsan_epilogue+0x12/0x53 [ 2094.741629] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2094.773176] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2094.806665] [] map_bh+0x37/0xf0 [ 2094.821279] [] _ext4_get_block+0x1c2/0x291 [ 2094.851512] [] ? ext4_map_blocks+0xef8/0xef8 [ 2094.877327] [] ? _ext4_get_block+0x291/0x291 [ 2094.894404] [] ext4_get_block+0x39/0x40 [ 2094.909391] [] generic_block_bmap+0x13b/0x187 [ 2094.924035] [] ? touch_buffer+0x132/0x132 [ 2094.940104] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2094.957964] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2094.976982] [] ? root_tag_get+0x5b/0x6c [ 2094.997394] [] ? radix_tree_tagged+0x20/0x22 [ 2095.014493] [] ext4_bmap+0x19e/0x284 [ 2095.028861] [] ? bmap+0x90/0x128 [ 2095.040870] [] ? ext4_has_inline_data+0x6a/0x6a [ 2095.059015] [] bmap+0x10f/0x128 [ 2095.073735] [] ? jbd2_journal_bmap+0x45/0x125 [ 2095.092090] [] jbd2_journal_bmap+0x80/0x125 [ 2095.107286] [] jbd2_journal_init_inode+0x48e/0x641 [ 2095.127371] [] ? jbd2_journal_get_descriptor_buffer+0x2c9/0x2c9 [ 2095.150937] [] ext4_fill_super+0x6223/0xa2df [ 2095.166986] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2095.198300] [] ? vsnprintf+0x1a0/0xa32 [ 2095.216403] [] ? pointer+0x7a9/0x7a9 [ 2095.234249] [] ? set_bdev_super+0x15d/0x15d [ 2095.253515] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2095.272922] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2095.295057] [] ? scnprintf+0xf3/0xf3 [ 2095.307636] [] mount_bdev+0x3cf/0x602 [ 2095.321468] [] ? mount_bdev+0x3cf/0x602 [ 2095.335994] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2095.353984] [] ext4_mount+0x3c/0x3e [ 2095.367214] [] mount_fs+0xd0/0x2ca [ 2095.380488] [] vfs_kern_mount+0xa0/0x20a [ 2095.395968] [] do_mount+0x11fe/0x19df [ 2095.408683] [] ? kasan_kmalloc+0x94/0xa3 [ 2095.423461] [] ? copy_mount_string+0x3d/0x3d [ 2095.440750] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2095.457310] [] ? __check_object_size+0x1e1/0x2b8 [ 2095.475624] [] ? 0xffffffffb1c002b8 [ 2095.490113] [] ? copy_mount_options+0x23d/0x24d [ 2095.507937] [] SyS_mount+0xa3/0xda [ 2095.523000] [] mount_block_root+0x2fc/0x650 [ 2095.537574] [] ? init_rootfs+0x99/0x99 [ 2095.554119] [] ? security_file_ioctl+0xa5/0xb4 [ 2095.569738] [] ? SyS_mknod+0x2f/0x36 [ 2095.588199] [] mount_root+0x45/0x48 [ 2095.602030] [] prepare_namespace+0x1cf/0x235 [ 2095.620935] [] kernel_init_freeable+0x4fa/0x518 [ 2095.637404] [] kernel_init+0x16/0x181 [ 2095.653283] [] ret_from_fork+0x1f/0x40 [ 2095.667610] [] ? rest_init+0x8f/0x8f [ 2095.682450] ================================================================================ [ 2095.708666] ================================================================================ [ 2095.730746] UBSAN: Undefined behaviour in ./include/linux/buffer_head.h:341:17 [ 2095.752756] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2095.781036] which requires 64 byte alignment [ 2095.795005] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2095.812570] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2095.839447] 00000000ffffffff 00000000b1a89c60 ffff88005c9df410 ffffffffb26ec5cc [ 2095.859608] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2095.880815] ffff880000000010 ffff88005c9df438 ffff88005c9df3e8 ffffffffb363c3e0 [ 2095.903682] Call Trace: [ 2095.912994] [] dump_stack+0xd7/0x132 [ 2095.928205] [] ? arch_local_irq_restore+0x1b/0x1b [ 2095.943769] [] ubsan_epilogue+0x12/0x53 [ 2095.958679] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2095.979729] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2096.000651] [] map_bh+0xb2/0xf0 [ 2096.013872] [] _ext4_get_block+0x1c2/0x291 [ 2096.032147] [] ? ext4_map_blocks+0xef8/0xef8 [ 2096.049265] [] ? _ext4_get_block+0x291/0x291 [ 2096.063382] [] ext4_get_block+0x39/0x40 [ 2096.078981] [] generic_block_bmap+0x13b/0x187 [ 2096.095099] [] ? touch_buffer+0x132/0x132 [ 2096.109819] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2096.129935] [] ? root_tag_get+0x5b/0x6c [ 2096.144063] [] ? radix_tree_tagged+0x20/0x22 [ 2096.161800] [] ext4_bmap+0x19e/0x284 [ 2096.182121] [] ? bmap+0x90/0x128 [ 2096.198138] [] ? ext4_has_inline_data+0x6a/0x6a [ 2096.218357] [] bmap+0x10f/0x128 [ 2096.234146] [] ? jbd2_journal_bmap+0x45/0x125 [ 2096.253590] [] jbd2_journal_bmap+0x80/0x125 [ 2096.272233] [] jbd2_journal_init_inode+0x48e/0x641 [ 2096.292940] [] ? jbd2_journal_get_descriptor_buffer+0x2c9/0x2c9 [ 2096.320024] [] ext4_fill_super+0x6223/0xa2df [ 2096.339804] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2096.361356] [] ? vsnprintf+0x1a0/0xa32 [ 2096.379453] [] ? pointer+0x7a9/0x7a9 [ 2096.399684] [] ? set_bdev_super+0x15d/0x15d [ 2096.419885] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2096.441647] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2096.466994] [] ? scnprintf+0xf3/0xf3 [ 2096.485449] [] mount_bdev+0x3cf/0x602 [ 2096.502266] [] ? mount_bdev+0x3cf/0x602 [ 2096.521164] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2096.543048] [] ext4_mount+0x3c/0x3e [ 2096.559292] [] mount_fs+0xd0/0x2ca [ 2096.576752] [] vfs_kern_mount+0xa0/0x20a [ 2096.593370] [] do_mount+0x11fe/0x19df [ 2096.611554] [] ? kasan_kmalloc+0x94/0xa3 [ 2096.631006] [] ? copy_mount_string+0x3d/0x3d [ 2096.652061] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2096.672464] [] ? __check_object_size+0x1e1/0x2b8 [ 2096.695420] [] ? 0xffffffffb1c002b8 [ 2096.712312] [] ? copy_mount_options+0x23d/0x24d [ 2096.733628] [] SyS_mount+0xa3/0xda [ 2096.748658] [] mount_block_root+0x2fc/0x650 [ 2096.767501] [] ? init_rootfs+0x99/0x99 [ 2096.783693] [] ? security_file_ioctl+0xa5/0xb4 [ 2096.805071] [] ? SyS_mknod+0x2f/0x36 [ 2096.822878] [] mount_root+0x45/0x48 [ 2096.839024] [] prepare_namespace+0x1cf/0x235 [ 2096.858591] [] kernel_init_freeable+0x4fa/0x518 [ 2096.881776] [] kernel_init+0x16/0x181 [ 2096.899407] [] ret_from_fork+0x1f/0x40 [ 2096.916414] [] ? rest_init+0x8f/0x8f [ 2096.932690] ================================================================================ [ 2096.961486] ================================================================================ [ 2096.989932] UBSAN: Undefined behaviour in fs/ext4/inode.c:768:27 [ 2097.009166] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2097.037512] which requires 64 byte alignment [ 2097.051489] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2097.072424] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2097.103673] 00000000ffffffff 00000000b1a89c60 ffff88005c9df440 ffffffffb26ec5cc [ 2097.126310] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2097.148820] 0000000000000010 ffff88005c9df468 ffff88005c9df418 ffffffffb363c3e0 [ 2097.171725] Call Trace: [ 2097.179081] [] dump_stack+0xd7/0x132 [ 2097.196148] [] ? arch_local_irq_restore+0x1b/0x1b [ 2097.220401] [] ubsan_epilogue+0x12/0x53 [ 2097.239587] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2097.260986] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2097.285804] [] _ext4_get_block+0x20c/0x291 [ 2097.303466] [] ? ext4_map_blocks+0xef8/0xef8 [ 2097.322726] [] ? _ext4_get_block+0x291/0x291 [ 2097.339938] [] ext4_get_block+0x39/0x40 [ 2097.357909] [] generic_block_bmap+0x13b/0x187 [ 2097.377544] [] ? touch_buffer+0x132/0x132 [ 2097.395239] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2097.416837] [] ? root_tag_get+0x5b/0x6c [ 2097.433794] [] ? radix_tree_tagged+0x20/0x22 [ 2097.452372] [] ext4_bmap+0x19e/0x284 [ 2097.464936] [] ? bmap+0x90/0x128 [ 2097.478898] [] ? ext4_has_inline_data+0x6a/0x6a [ 2097.498963] [] bmap+0x10f/0x128 [ 2097.514560] [] ? jbd2_journal_bmap+0x45/0x125 [ 2097.530143] [] jbd2_journal_bmap+0x80/0x125 [ 2097.545156] [] jbd2_journal_init_inode+0x48e/0x641 [ 2097.560492] [] ? jbd2_journal_get_descriptor_buffer+0x2c9/0x2c9 [ 2097.582804] [] ext4_fill_super+0x6223/0xa2df [ 2097.600857] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2097.629121] [] ? vsnprintf+0x1a0/0xa32 [ 2097.648698] [] ? pointer+0x7a9/0x7a9 [ 2097.663360] [] ? set_bdev_super+0x15d/0x15d [ 2097.680844] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2097.704474] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2097.729854] [] ? scnprintf+0xf3/0xf3 [ 2097.742951] [] mount_bdev+0x3cf/0x602 [ 2097.758956] [] ? mount_bdev+0x3cf/0x602 [ 2097.774704] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2097.795981] [] ext4_mount+0x3c/0x3e [ 2097.811221] [] mount_fs+0xd0/0x2ca [ 2097.823450] [] vfs_kern_mount+0xa0/0x20a [ 2097.838160] [] do_mount+0x11fe/0x19df [ 2097.855319] [] ? kasan_kmalloc+0x94/0xa3 [ 2097.870029] [] ? copy_mount_string+0x3d/0x3d [ 2097.884328] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2097.905459] [] ? __check_object_size+0x1e1/0x2b8 [ 2097.923383] [] ? 0xffffffffb1c002b8 [ 2097.937879] [] ? copy_mount_options+0x23d/0x24d [ 2097.954753] [] SyS_mount+0xa3/0xda [ 2097.966552] [] mount_block_root+0x2fc/0x650 [ 2097.982018] [] ? init_rootfs+0x99/0x99 [ 2097.999631] [] ? security_file_ioctl+0xa5/0xb4 [ 2098.020925] [] ? SyS_mknod+0x2f/0x36 [ 2098.035451] [] mount_root+0x45/0x48 [ 2098.052362] [] prepare_namespace+0x1cf/0x235 [ 2098.069636] [] kernel_init_freeable+0x4fa/0x518 [ 2098.089373] [] kernel_init+0x16/0x181 [ 2098.104516] [] ret_from_fork+0x1f/0x40 [ 2098.119614] [] ? rest_init+0x8f/0x8f [ 2098.138077] ================================================================================ [ 2098.168740] ================================================================================ [ 2098.200123] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2098.218532] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2098.249765] which requires 64 byte alignment [ 2098.261603] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2098.280406] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2098.312432] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d8 ffffffffb26ec5cc [ 2098.338132] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2098.360954] ffff880000000010 ffff88005c9df700 ffff88005c9df6b0 ffffffffb363c3e0 [ 2098.382208] Call Trace: [ 2098.389967] [] dump_stack+0xd7/0x132 [ 2098.405926] [] ? arch_local_irq_restore+0x1b/0x1b [ 2098.423793] [] ubsan_epilogue+0x12/0x53 [ 2098.440236] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2098.462077] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2098.486787] [] ? __getblk_gfp+0x5c/0x6a [ 2098.504884] [] ext4_init_journal_params+0x95/0x3e7 [ 2098.523692] [] ? bdev_try_to_free_page+0x131/0x131 [ 2098.541399] [] ext4_fill_super+0x69f0/0xa2df [ 2098.561202] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2098.581716] [] ? vsnprintf+0x1a0/0xa32 [ 2098.600136] [] ? pointer+0x7a9/0x7a9 [ 2098.616352] [] ? set_bdev_super+0x15d/0x15d [ 2098.634810] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2098.657400] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2098.682106] [] ? scnprintf+0xf3/0xf3 [ 2098.697691] [] mount_bdev+0x3cf/0x602 [ 2098.716824] [] ? mount_bdev+0x3cf/0x602 [ 2098.733929] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2098.756941] [] ext4_mount+0x3c/0x3e [ 2098.773206] [] mount_fs+0xd0/0x2ca [ 2098.787862] [] vfs_kern_mount+0xa0/0x20a [ 2098.803029] [] do_mount+0x11fe/0x19df [ 2098.821985] [] ? kasan_kmalloc+0x94/0xa3 [ 2098.840818] [] ? copy_mount_string+0x3d/0x3d [ 2098.859099] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2098.882392] [] ? __check_object_size+0x1e1/0x2b8 [ 2098.907405] [] ? 0xffffffffb1c002b8 [ 2098.923760] [] ? copy_mount_options+0x23d/0x24d [ 2098.943193] [] SyS_mount+0xa3/0xda [ 2098.959624] [] mount_block_root+0x2fc/0x650 [ 2098.977231] [] ? init_rootfs+0x99/0x99 [ 2098.996403] [] ? security_file_ioctl+0xa5/0xb4 [ 2099.015304] [] ? SyS_mknod+0x2f/0x36 [ 2099.031401] [] mount_root+0x45/0x48 [ 2099.049236] [] prepare_namespace+0x1cf/0x235 [ 2099.066713] [] kernel_init_freeable+0x4fa/0x518 [ 2099.088086] [] kernel_init+0x16/0x181 [ 2099.104826] [] ret_from_fork+0x1f/0x40 [ 2099.125246] [] ? rest_init+0x8f/0x8f [ 2099.140984] ================================================================================ [ 2099.167831] ================================================================================ [ 2099.194869] UBSAN: Undefined behaviour in fs/ext4/super.c:4246:34 [ 2099.216797] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2099.247717] which requires 64 byte alignment [ 2099.259217] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2099.277000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2099.309671] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d8 ffffffffb26ec5cc [ 2099.332509] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2099.358659] ffffffff00000010 ffff88005c9df700 ffff88005c9df6b0 ffffffffb363c3e0 [ 2099.390331] Call Trace: [ 2099.397349] [] dump_stack+0xd7/0x132 [ 2099.412029] [] ? arch_local_irq_restore+0x1b/0x1b [ 2099.431698] [] ubsan_epilogue+0x12/0x53 [ 2099.448849] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2099.474160] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2099.496714] [] ? __getblk_gfp+0x5c/0x6a [ 2099.512433] [] ext4_init_journal_params+0xc5/0x3e7 [ 2099.534440] [] ? bdev_try_to_free_page+0x131/0x131 [ 2099.552203] [] ext4_fill_super+0x69f0/0xa2df [ 2099.571510] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2099.593804] [] ? vsnprintf+0x1a0/0xa32 [ 2099.608350] [] ? pointer+0x7a9/0x7a9 [ 2099.623051] [] ? set_bdev_super+0x15d/0x15d [ 2099.637607] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2099.657535] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2099.679041] [] ? scnprintf+0xf3/0xf3 [ 2099.695174] [] mount_bdev+0x3cf/0x602 [ 2099.709671] [] ? mount_bdev+0x3cf/0x602 [ 2099.726949] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2099.747806] [] ext4_mount+0x3c/0x3e [ 2099.759841] [] mount_fs+0xd0/0x2ca [ 2099.774847] [] vfs_kern_mount+0xa0/0x20a [ 2099.790843] [] do_mount+0x11fe/0x19df [ 2099.808818] [] ? kasan_kmalloc+0x94/0xa3 [ 2099.826436] [] ? copy_mount_string+0x3d/0x3d [ 2099.841224] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2099.857579] [] ? __check_object_size+0x1e1/0x2b8 [ 2099.875930] [] ? 0xffffffffb1c002b8 [ 2099.893616] [] ? copy_mount_options+0x23d/0x24d [ 2099.913291] [] SyS_mount+0xa3/0xda [ 2099.926024] [] mount_block_root+0x2fc/0x650 [ 2099.943208] [] ? init_rootfs+0x99/0x99 [ 2099.962243] [] ? security_file_ioctl+0xa5/0xb4 [ 2099.985876] [] ? SyS_mknod+0x2f/0x36 [ 2100.003176] [] mount_root+0x45/0x48 [ 2100.018163] [] prepare_namespace+0x1cf/0x235 [ 2100.033492] [] kernel_init_freeable+0x4fa/0x518 [ 2100.053212] [] kernel_init+0x16/0x181 [ 2100.067239] [] ret_from_fork+0x1f/0x40 [ 2100.079902] [] ? rest_init+0x8f/0x8f [ 2100.096852] ================================================================================ [ 2100.120852] ================================================================================ [ 2100.144601] UBSAN: Undefined behaviour in fs/ext4/super.c:4247:33 [ 2100.160730] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2100.183940] which requires 64 byte alignment [ 2100.197372] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2100.214193] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2100.239036] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d8 ffffffffb26ec5cc [ 2100.261537] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2100.284350] ffffffff00000010 ffff88005c9df700 ffff88005c9df6b0 ffffffffb363c3e0 [ 2100.307379] Call Trace: [ 2100.312885] [] dump_stack+0xd7/0x132 [ 2100.327956] [] ? arch_local_irq_restore+0x1b/0x1b [ 2100.343705] [] ubsan_epilogue+0x12/0x53 [ 2100.362145] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2100.381526] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2100.402852] [] ? __getblk_gfp+0x5c/0x6a [ 2100.417003] [] ext4_init_journal_params+0x120/0x3e7 [ 2100.436534] [] ? bdev_try_to_free_page+0x131/0x131 [ 2100.455404] [] ext4_fill_super+0x69f0/0xa2df [ 2100.475123] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2100.495736] [] ? vsnprintf+0x1a0/0xa32 [ 2100.510665] [] ? pointer+0x7a9/0x7a9 [ 2100.529753] [] ? set_bdev_super+0x15d/0x15d [ 2100.547403] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2100.569826] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2100.589009] [] ? scnprintf+0xf3/0xf3 [ 2100.602936] [] mount_bdev+0x3cf/0x602 [ 2100.620840] [] ? mount_bdev+0x3cf/0x602 [ 2100.638294] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2100.660824] [] ext4_mount+0x3c/0x3e [ 2100.679350] [] mount_fs+0xd0/0x2ca [ 2100.694536] [] vfs_kern_mount+0xa0/0x20a [ 2100.712378] [] do_mount+0x11fe/0x19df [ 2100.726845] [] ? kasan_kmalloc+0x94/0xa3 [ 2100.742756] [] ? copy_mount_string+0x3d/0x3d [ 2100.761080] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2100.779109] [] ? __check_object_size+0x1e1/0x2b8 [ 2100.798858] [] ? 0xffffffffb1c002b8 [ 2100.815012] [] ? copy_mount_options+0x23d/0x24d [ 2100.834126] [] SyS_mount+0xa3/0xda [ 2100.847567] [] mount_block_root+0x2fc/0x650 [ 2100.865601] [] ? init_rootfs+0x99/0x99 [ 2100.880679] [] ? security_file_ioctl+0xa5/0xb4 [ 2100.902119] [] ? SyS_mknod+0x2f/0x36 [ 2100.919283] [] mount_root+0x45/0x48 [ 2100.932914] [] prepare_namespace+0x1cf/0x235 [ 2100.950919] [] kernel_init_freeable+0x4fa/0x518 [ 2100.969713] [] kernel_init+0x16/0x181 [ 2100.983237] [] ret_from_fork+0x1f/0x40 [ 2100.999702] [] ? rest_init+0x8f/0x8f [ 2101.016944] ================================================================================ [ 2101.055351] ================================================================================ [ 2101.080503] UBSAN: Undefined behaviour in fs/ext4/super.c:4248:33 [ 2101.098861] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2101.140377] which requires 64 byte alignment [ 2101.167460] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2101.231534] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2101.336653] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d8 ffffffffb26ec5cc [ 2101.363443] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2101.389161] ffffffff00000010 ffff88005c9df700 ffff88005c9df6b0 ffffffffb363c3e0 [ 2101.416350] Call Trace: [ 2101.424697] [] dump_stack+0xd7/0x132 [ 2101.440709] [] ? arch_local_irq_restore+0x1b/0x1b [ 2101.459790] [] ubsan_epilogue+0x12/0x53 [ 2101.477473] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2101.503478] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2101.531547] [] ? __getblk_gfp+0x5c/0x6a [ 2101.550133] [] ext4_init_journal_params+0x17b/0x3e7 [ 2101.573470] [] ? bdev_try_to_free_page+0x131/0x131 [ 2101.594218] [] ext4_fill_super+0x69f0/0xa2df [ 2101.610413] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2101.630660] [] ? vsnprintf+0x1a0/0xa32 [ 2101.646043] [] ? pointer+0x7a9/0x7a9 [ 2101.660190] [] ? set_bdev_super+0x15d/0x15d [ 2101.679953] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2101.700473] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2101.721679] [] ? scnprintf+0xf3/0xf3 [ 2101.736873] [] mount_bdev+0x3cf/0x602 [ 2101.752860] [] ? mount_bdev+0x3cf/0x602 [ 2101.767334] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2101.789995] [] ext4_mount+0x3c/0x3e [ 2101.806924] [] mount_fs+0xd0/0x2ca [ 2101.821820] [] vfs_kern_mount+0xa0/0x20a [ 2101.839767] [] do_mount+0x11fe/0x19df [ 2101.856510] [] ? kasan_kmalloc+0x94/0xa3 [ 2101.875498] [] ? copy_mount_string+0x3d/0x3d [ 2101.901149] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2101.925989] [] ? __check_object_size+0x1e1/0x2b8 [ 2101.951380] [] ? 0xffffffffb1c002b8 [ 2101.964830] [] ? copy_mount_options+0x23d/0x24d [ 2101.987555] [] SyS_mount+0xa3/0xda [ 2102.003123] [] mount_block_root+0x2fc/0x650 [ 2102.021860] [] ? init_rootfs+0x99/0x99 [ 2102.040734] [] ? security_file_ioctl+0xa5/0xb4 [ 2102.059305] [] ? SyS_mknod+0x2f/0x36 [ 2102.076272] [] mount_root+0x45/0x48 [ 2102.093742] [] prepare_namespace+0x1cf/0x235 [ 2102.111535] [] kernel_init_freeable+0x4fa/0x518 [ 2102.132485] [] kernel_init+0x16/0x181 [ 2102.150735] [] ret_from_fork+0x1f/0x40 [ 2102.168860] [] ? rest_init+0x8f/0x8f [ 2102.183955] ================================================================================ [ 2102.214365] ================================================================================ [ 2102.242583] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2102.260897] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2102.289772] which requires 64 byte alignment [ 2102.305814] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2102.326757] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2102.358168] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d8 ffffffffb26ec5cc [ 2102.386868] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2102.411676] ffffffff00000010 ffff88005c9df700 ffff88005c9df6b0 ffffffffb363c3e0 [ 2102.436295] Call Trace: [ 2102.443890] [] dump_stack+0xd7/0x132 [ 2102.462205] [] ? arch_local_irq_restore+0x1b/0x1b [ 2102.484625] [] ubsan_epilogue+0x12/0x53 [ 2102.503167] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2102.527563] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2102.552839] [] ? __getblk_gfp+0x5c/0x6a [ 2102.571098] [] ext4_init_journal_params+0x1e2/0x3e7 [ 2102.592695] [] ? bdev_try_to_free_page+0x131/0x131 [ 2102.609169] [] ext4_fill_super+0x69f0/0xa2df [ 2102.628975] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2102.650035] [] ? vsnprintf+0x1a0/0xa32 [ 2102.667037] [] ? pointer+0x7a9/0x7a9 [ 2102.681179] [] ? set_bdev_super+0x15d/0x15d [ 2102.699767] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2102.721225] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2102.747647] [] ? scnprintf+0xf3/0xf3 [ 2102.767268] [] mount_bdev+0x3cf/0x602 [ 2102.784764] [] ? mount_bdev+0x3cf/0x602 [ 2102.803092] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2102.823944] [] ext4_mount+0x3c/0x3e [ 2102.839520] [] mount_fs+0xd0/0x2ca [ 2102.855817] [] vfs_kern_mount+0xa0/0x20a [ 2102.870858] [] do_mount+0x11fe/0x19df [ 2102.886028] [] ? kasan_kmalloc+0x94/0xa3 [ 2102.905062] [] ? copy_mount_string+0x3d/0x3d [ 2102.921200] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2102.941344] [] ? __check_object_size+0x1e1/0x2b8 [ 2102.961729] [] ? 0xffffffffb1c002b8 [ 2102.979400] [] ? copy_mount_options+0x23d/0x24d [ 2103.002259] [] SyS_mount+0xa3/0xda [ 2103.020165] [] mount_block_root+0x2fc/0x650 [ 2103.037090] [] ? init_rootfs+0x99/0x99 [ 2103.056069] [] ? security_file_ioctl+0xa5/0xb4 [ 2103.073662] [] ? SyS_mknod+0x2f/0x36 [ 2103.087543] [] mount_root+0x45/0x48 [ 2103.104817] [] prepare_namespace+0x1cf/0x235 [ 2103.121705] [] kernel_init_freeable+0x4fa/0x518 [ 2103.140455] [] kernel_init+0x16/0x181 [ 2103.156667] [] ret_from_fork+0x1f/0x40 [ 2103.179543] [] ? rest_init+0x8f/0x8f [ 2103.195821] ================================================================================ [ 2103.217355] ================================================================================ [ 2103.242334] UBSAN: Undefined behaviour in fs/ext4/super.c:4251:6 [ 2103.259413] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2103.285322] which requires 64 byte alignment [ 2103.299730] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2103.319548] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2103.349645] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d8 ffffffffb26ec5cc [ 2103.379527] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2103.403726] ffffffff00000010 ffff88005c9df700 ffff88005c9df6b0 ffffffffb363c3e0 [ 2103.421739] Call Trace: [ 2103.431201] [] dump_stack+0xd7/0x132 [ 2103.446055] [] ? arch_local_irq_restore+0x1b/0x1b [ 2103.463124] [] ubsan_epilogue+0x12/0x53 [ 2103.481495] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2103.501402] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2103.523049] [] ? __getblk_gfp+0x5c/0x6a [ 2103.540312] [] ext4_init_journal_params+0x20b/0x3e7 [ 2103.556916] [] ? bdev_try_to_free_page+0x131/0x131 [ 2103.575595] [] ext4_fill_super+0x69f0/0xa2df [ 2103.592170] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2103.610440] [] ? vsnprintf+0x1a0/0xa32 [ 2103.625711] [] ? pointer+0x7a9/0x7a9 [ 2103.638618] [] ? set_bdev_super+0x15d/0x15d [ 2103.657309] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2103.676929] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2103.697333] [] ? scnprintf+0xf3/0xf3 [ 2103.713485] [] mount_bdev+0x3cf/0x602 [ 2103.728088] [] ? mount_bdev+0x3cf/0x602 [ 2103.741237] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2103.758754] [] ext4_mount+0x3c/0x3e [ 2103.773447] [] mount_fs+0xd0/0x2ca [ 2103.788702] [] vfs_kern_mount+0xa0/0x20a [ 2103.806595] [] do_mount+0x11fe/0x19df [ 2103.823957] [] ? kasan_kmalloc+0x94/0xa3 [ 2103.841434] [] ? copy_mount_string+0x3d/0x3d [ 2103.859388] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2103.879880] [] ? __check_object_size+0x1e1/0x2b8 [ 2103.900201] [] ? 0xffffffffb1c002b8 [ 2103.917146] [] ? copy_mount_options+0x23d/0x24d [ 2103.939775] [] SyS_mount+0xa3/0xda [ 2103.956183] [] mount_block_root+0x2fc/0x650 [ 2103.975782] [] ? init_rootfs+0x99/0x99 [ 2103.989461] [] ? security_file_ioctl+0xa5/0xb4 [ 2104.010963] [] ? SyS_mknod+0x2f/0x36 [ 2104.025846] [] mount_root+0x45/0x48 [ 2104.039984] [] prepare_namespace+0x1cf/0x235 [ 2104.059980] [] kernel_init_freeable+0x4fa/0x518 [ 2104.078867] [] kernel_init+0x16/0x181 [ 2104.094885] [] ret_from_fork+0x1f/0x40 [ 2104.117156] [] ? rest_init+0x8f/0x8f [ 2104.134664] ================================================================================ [ 2104.162925] ================================================================================ [ 2104.192464] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2104.210742] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2104.238700] which requires 64 byte alignment [ 2104.252367] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2104.272325] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2104.301700] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d8 ffffffffb26ec5cc [ 2104.324677] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2104.349352] ffffffff00000010 ffff88005c9df700 ffff88005c9df6b0 ffffffffb363c3e0 [ 2104.372704] Call Trace: [ 2104.379433] [] dump_stack+0xd7/0x132 [ 2104.395975] [] ? arch_local_irq_restore+0x1b/0x1b [ 2104.417169] [] ubsan_epilogue+0x12/0x53 [ 2104.436800] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2104.458020] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2104.481734] [] ? __getblk_gfp+0x5c/0x6a [ 2104.507337] [] ext4_init_journal_params+0x2c6/0x3e7 [ 2104.527224] [] ? bdev_try_to_free_page+0x131/0x131 [ 2104.548524] [] ext4_fill_super+0x69f0/0xa2df [ 2104.566985] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2104.586112] [] ? vsnprintf+0x1a0/0xa32 [ 2104.602129] [] ? pointer+0x7a9/0x7a9 [ 2104.618171] [] ? set_bdev_super+0x15d/0x15d [ 2104.635569] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2104.656658] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2104.678936] [] ? scnprintf+0xf3/0xf3 [ 2104.695582] [] mount_bdev+0x3cf/0x602 [ 2104.720346] [] ? mount_bdev+0x3cf/0x602 [ 2104.743334] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2104.773625] [] ext4_mount+0x3c/0x3e [ 2104.792517] [] mount_fs+0xd0/0x2ca [ 2104.807538] [] vfs_kern_mount+0xa0/0x20a [ 2104.856327] [] do_mount+0x11fe/0x19df [ 2104.882306] [] ? kasan_kmalloc+0x94/0xa3 [ 2104.901821] [] ? copy_mount_string+0x3d/0x3d [ 2104.921372] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2104.939963] [] ? __check_object_size+0x1e1/0x2b8 [ 2104.960297] [] ? 0xffffffffb1c002b8 [ 2104.979063] [] ? copy_mount_options+0x23d/0x24d [ 2104.997599] [] SyS_mount+0xa3/0xda [ 2105.013810] [] mount_block_root+0x2fc/0x650 [ 2105.033094] [] ? init_rootfs+0x99/0x99 [ 2105.049629] [] ? security_file_ioctl+0xa5/0xb4 [ 2105.073158] [] ? SyS_mknod+0x2f/0x36 [ 2105.087800] [] mount_root+0x45/0x48 [ 2105.106632] [] prepare_namespace+0x1cf/0x235 [ 2105.125413] [] kernel_init_freeable+0x4fa/0x518 [ 2105.143389] [] kernel_init+0x16/0x181 [ 2105.159980] [] ret_from_fork+0x1f/0x40 [ 2105.179095] [] ? rest_init+0x8f/0x8f [ 2105.197140] ================================================================================ [ 2105.222491] ================================================================================ [ 2105.245574] UBSAN: Undefined behaviour in fs/ext4/super.c:4255:6 [ 2105.264567] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2105.292616] which requires 64 byte alignment [ 2105.302521] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2105.321925] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2105.350790] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d8 ffffffffb26ec5cc [ 2105.374145] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2105.396521] ffffffff00000010 ffff88005c9df700 ffff88005c9df6b0 ffffffffb363c3e0 [ 2105.421728] Call Trace: [ 2105.431561] [] dump_stack+0xd7/0x132 [ 2105.448045] [] ? arch_local_irq_restore+0x1b/0x1b [ 2105.468060] [] ubsan_epilogue+0x12/0x53 [ 2105.486970] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2105.508602] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2105.533174] [] ? __getblk_gfp+0x5c/0x6a [ 2105.552597] [] ext4_init_journal_params+0x2e7/0x3e7 [ 2105.570283] [] ? bdev_try_to_free_page+0x131/0x131 [ 2105.591803] [] ext4_fill_super+0x69f0/0xa2df [ 2105.610032] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2105.632897] [] ? vsnprintf+0x1a0/0xa32 [ 2105.652373] [] ? pointer+0x7a9/0x7a9 [ 2105.669274] [] ? set_bdev_super+0x15d/0x15d [ 2105.687164] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2105.713571] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2105.738263] [] ? scnprintf+0xf3/0xf3 [ 2105.758209] [] mount_bdev+0x3cf/0x602 [ 2105.776223] [] ? mount_bdev+0x3cf/0x602 [ 2105.791525] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2105.815392] [] ext4_mount+0x3c/0x3e [ 2105.833815] [] mount_fs+0xd0/0x2ca [ 2105.850021] [] vfs_kern_mount+0xa0/0x20a [ 2105.867614] [] do_mount+0x11fe/0x19df [ 2105.883174] [] ? kasan_kmalloc+0x94/0xa3 [ 2105.903555] [] ? copy_mount_string+0x3d/0x3d [ 2105.923424] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2105.940620] [] ? __check_object_size+0x1e1/0x2b8 [ 2105.962279] [] ? 0xffffffffb1c002b8 [ 2105.979918] [] ? copy_mount_options+0x23d/0x24d [ 2105.999416] [] SyS_mount+0xa3/0xda [ 2106.017450] [] mount_block_root+0x2fc/0x650 [ 2106.040899] [] ? init_rootfs+0x99/0x99 [ 2106.059242] [] ? security_file_ioctl+0xa5/0xb4 [ 2106.077813] [] ? SyS_mknod+0x2f/0x36 [ 2106.095334] [] mount_root+0x45/0x48 [ 2106.114512] [] prepare_namespace+0x1cf/0x235 [ 2106.140544] [] kernel_init_freeable+0x4fa/0x518 [ 2106.161081] [] kernel_init+0x16/0x181 [ 2106.179327] [] ret_from_fork+0x1f/0x40 [ 2106.197623] [] ? rest_init+0x8f/0x8f [ 2106.216370] ================================================================================ [ 2106.279312] ================================================================================ [ 2106.307562] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2106.329791] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2106.360464] which requires 64 byte alignment [ 2106.374279] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2106.393144] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2106.421877] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2106.445850] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2106.465509] ffff880000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2106.488021] Call Trace: [ 2106.497053] [] dump_stack+0xd7/0x132 [ 2106.512536] [] ? arch_local_irq_restore+0x1b/0x1b [ 2106.531248] [] ubsan_epilogue+0x12/0x53 [ 2106.547505] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2106.564209] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2106.589007] [] ? kfree+0x14f/0x374 [ 2106.603544] [] ? ext4_fill_super+0x6b3f/0xa2df [ 2106.624335] [] ext4_fill_super+0x6b67/0xa2df [ 2106.643389] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2106.666036] [] ? vsnprintf+0x1a0/0xa32 [ 2106.681008] [] ? pointer+0x7a9/0x7a9 [ 2106.702277] [] ? set_bdev_super+0x15d/0x15d [ 2106.723861] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2106.749605] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2106.772661] [] ? scnprintf+0xf3/0xf3 [ 2106.791604] [] mount_bdev+0x3cf/0x602 [ 2106.809067] [] ? mount_bdev+0x3cf/0x602 [ 2106.834788] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2106.855466] [] ext4_mount+0x3c/0x3e [ 2106.872914] [] mount_fs+0xd0/0x2ca [ 2106.891483] [] vfs_kern_mount+0xa0/0x20a [ 2106.906676] [] do_mount+0x11fe/0x19df [ 2106.923998] [] ? kasan_kmalloc+0x94/0xa3 [ 2106.940953] [] ? copy_mount_string+0x3d/0x3d [ 2106.964210] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2106.982988] [] ? __check_object_size+0x1e1/0x2b8 [ 2107.006646] [] ? 0xffffffffb1c002b8 [ 2107.022173] [] ? copy_mount_options+0x23d/0x24d [ 2107.040174] [] SyS_mount+0xa3/0xda [ 2107.055533] [] mount_block_root+0x2fc/0x650 [ 2107.072556] [] ? init_rootfs+0x99/0x99 [ 2107.088208] [] ? security_file_ioctl+0xa5/0xb4 [ 2107.109493] [] ? SyS_mknod+0x2f/0x36 [ 2107.124411] [] mount_root+0x45/0x48 [ 2107.139223] [] prepare_namespace+0x1cf/0x235 [ 2107.157652] [] kernel_init_freeable+0x4fa/0x518 [ 2107.181916] [] kernel_init+0x16/0x181 [ 2107.202311] [] ret_from_fork+0x1f/0x40 [ 2107.219884] [] ? rest_init+0x8f/0x8f [ 2107.239124] ================================================================================ [ 2107.264594] ================================================================================ [ 2107.285625] UBSAN: Undefined behaviour in fs/ext4/super.c:4478:25 [ 2107.301190] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2107.328397] which requires 64 byte alignment [ 2107.340906] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2107.356370] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2107.382826] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2107.405489] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2107.428886] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2107.451940] Call Trace: [ 2107.458056] [] dump_stack+0xd7/0x132 [ 2107.473111] [] ? arch_local_irq_restore+0x1b/0x1b [ 2107.490215] [] ubsan_epilogue+0x12/0x53 [ 2107.507567] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2107.531755] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2107.559013] [] ? kfree+0x14f/0x374 [ 2107.574855] [] ? ext4_fill_super+0x6b3f/0xa2df [ 2107.594704] [] ext4_fill_super+0x6b94/0xa2df [ 2107.615792] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2107.637515] [] ? vsnprintf+0x1a0/0xa32 [ 2107.654654] [] ? pointer+0x7a9/0x7a9 [ 2107.668853] [] ? set_bdev_super+0x15d/0x15d [ 2107.683136] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2107.703582] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2107.723267] [] ? scnprintf+0xf3/0xf3 [ 2107.735954] [] mount_bdev+0x3cf/0x602 [ 2107.749418] [] ? mount_bdev+0x3cf/0x602 [ 2107.762810] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2107.781085] [] ext4_mount+0x3c/0x3e [ 2107.795693] [] mount_fs+0xd0/0x2ca [ 2107.807784] [] vfs_kern_mount+0xa0/0x20a [ 2107.822280] [] do_mount+0x11fe/0x19df [ 2107.835009] [] ? kasan_kmalloc+0x94/0xa3 [ 2107.849364] [] ? copy_mount_string+0x3d/0x3d [ 2107.864055] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2107.880461] [] ? __check_object_size+0x1e1/0x2b8 [ 2107.898994] [] ? 0xffffffffb1c002b8 [ 2107.912285] [] ? copy_mount_options+0x23d/0x24d [ 2107.928342] [] SyS_mount+0xa3/0xda [ 2107.942462] [] mount_block_root+0x2fc/0x650 [ 2107.957210] [] ? init_rootfs+0x99/0x99 [ 2107.969392] [] ? security_file_ioctl+0xa5/0xb4 [ 2107.984909] [] ? SyS_mknod+0x2f/0x36 [ 2107.998223] [] mount_root+0x45/0x48 [ 2108.010267] [] prepare_namespace+0x1cf/0x235 [ 2108.027080] [] kernel_init_freeable+0x4fa/0x518 [ 2108.042286] [] kernel_init+0x16/0x181 [ 2108.057311] [] ret_from_fork+0x1f/0x40 [ 2108.075764] [] ? rest_init+0x8f/0x8f [ 2108.094915] ================================================================================ [ 2108.120610] ================================================================================ [ 2108.145567] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2108.161439] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2108.187568] which requires 64 byte alignment [ 2108.199534] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2108.217667] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2108.245740] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d8 ffffffffb26ec5cc [ 2108.271190] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2108.295309] ffffffff00000010 ffff88005c9df700 ffff88005c9df6b0 ffffffffb363c3e0 [ 2108.321203] Call Trace: [ 2108.328520] [] dump_stack+0xd7/0x132 [ 2108.341480] [] ? arch_local_irq_restore+0x1b/0x1b [ 2108.360525] [] ubsan_epilogue+0x12/0x53 [ 2108.377325] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2108.397478] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2108.419653] [] ? arch_local_irq_restore+0x6/0xd [ 2108.436492] [] ext4_clear_journal_err+0xad/0x231 [ 2108.452827] [] ? ext4_find_delete_entry+0x108/0x108 [ 2108.473532] [] ? kfree+0x14f/0x374 [ 2108.488425] [] ? ext4_fill_super+0x6b3f/0xa2df [ 2108.502541] [] ext4_fill_super+0x6bb4/0xa2df [ 2108.520440] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2108.540916] [] ? vsnprintf+0x1a0/0xa32 [ 2108.555413] [] ? pointer+0x7a9/0x7a9 [ 2108.569682] [] ? set_bdev_super+0x15d/0x15d [ 2108.586706] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2108.607707] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2108.627857] [] ? scnprintf+0xf3/0xf3 [ 2108.642225] [] mount_bdev+0x3cf/0x602 [ 2108.656126] [] ? mount_bdev+0x3cf/0x602 [ 2108.669972] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2108.689120] [] ext4_mount+0x3c/0x3e [ 2108.712804] [] mount_fs+0xd0/0x2ca [ 2108.730788] [] vfs_kern_mount+0xa0/0x20a [ 2108.749227] [] do_mount+0x11fe/0x19df [ 2108.762707] [] ? kasan_kmalloc+0x94/0xa3 [ 2108.779089] [] ? copy_mount_string+0x3d/0x3d [ 2108.797307] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2108.813822] [] ? __check_object_size+0x1e1/0x2b8 [ 2108.831913] [] ? 0xffffffffb1c002b8 [ 2108.847335] [] ? copy_mount_options+0x23d/0x24d [ 2108.863153] [] SyS_mount+0xa3/0xda [ 2108.878256] [] mount_block_root+0x2fc/0x650 [ 2108.896857] [] ? init_rootfs+0x99/0x99 [ 2108.912027] [] ? security_file_ioctl+0xa5/0xb4 [ 2108.927235] [] ? SyS_mknod+0x2f/0x36 [ 2108.941922] [] mount_root+0x45/0x48 [ 2108.955856] [] prepare_namespace+0x1cf/0x235 [ 2108.971761] [] kernel_init_freeable+0x4fa/0x518 [ 2108.988240] [] kernel_init+0x16/0x181 [ 2109.002845] [] ret_from_fork+0x1f/0x40 [ 2109.019226] [] ? rest_init+0x8f/0x8f [ 2109.032980] ================================================================================ [ 2109.057250] ================================================================================ [ 2109.080113] UBSAN: Undefined behaviour in fs/ext4/super.c:4606:10 [ 2109.097973] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2109.123557] which requires 64 byte alignment [ 2109.137958] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2109.154805] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2109.183473] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6d8 ffffffffb26ec5cc [ 2109.208370] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2109.232639] ffffffff00000010 ffff88005c9df700 ffff88005c9df6b0 ffffffffb363c3e0 [ 2109.259393] Call Trace: [ 2109.267332] [] dump_stack+0xd7/0x132 [ 2109.287936] [] ? arch_local_irq_restore+0x1b/0x1b [ 2109.307657] [] ubsan_epilogue+0x12/0x53 [ 2109.328467] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2109.350007] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2109.374184] [] ? arch_local_irq_restore+0x6/0xd [ 2109.393867] [] ext4_clear_journal_err+0xdd/0x231 [ 2109.415606] [] ? ext4_find_delete_entry+0x108/0x108 [ 2109.438932] [] ? kfree+0x14f/0x374 [ 2109.454979] [] ? ext4_fill_super+0x6b3f/0xa2df [ 2109.475411] [] ext4_fill_super+0x6bb4/0xa2df [ 2109.492895] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2109.516166] [] ? vsnprintf+0x1a0/0xa32 [ 2109.531816] [] ? pointer+0x7a9/0x7a9 [ 2109.549671] [] ? set_bdev_super+0x15d/0x15d [ 2109.568916] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2109.593125] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2109.617488] [] ? scnprintf+0xf3/0xf3 [ 2109.632360] [] mount_bdev+0x3cf/0x602 [ 2109.648956] [] ? mount_bdev+0x3cf/0x602 [ 2109.668324] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2109.690486] [] ext4_mount+0x3c/0x3e [ 2109.708866] [] mount_fs+0xd0/0x2ca [ 2109.724701] [] vfs_kern_mount+0xa0/0x20a [ 2109.743997] [] do_mount+0x11fe/0x19df [ 2109.759320] [] ? kasan_kmalloc+0x94/0xa3 [ 2109.777794] [] ? copy_mount_string+0x3d/0x3d [ 2109.922298] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2109.947656] [] ? __check_object_size+0x1e1/0x2b8 [ 2109.976555] [] ? 0xffffffffb1c002b8 [ 2109.997198] [] ? copy_mount_options+0x23d/0x24d [ 2110.024871] [] SyS_mount+0xa3/0xda [ 2110.045163] [] mount_block_root+0x2fc/0x650 [ 2110.068983] [] ? init_rootfs+0x99/0x99 [ 2110.093061] [] ? security_file_ioctl+0xa5/0xb4 [ 2110.112683] [] ? SyS_mknod+0x2f/0x36 [ 2110.130964] [] mount_root+0x45/0x48 [ 2110.150637] [] prepare_namespace+0x1cf/0x235 [ 2110.169270] [] kernel_init_freeable+0x4fa/0x518 [ 2110.188538] [] kernel_init+0x16/0x181 [ 2110.209207] [] ret_from_fork+0x1f/0x40 [ 2110.226478] [] ? rest_init+0x8f/0x8f [ 2110.247177] ================================================================================ [ 2110.272637] ================================================================================ [ 2110.300374] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2110.318875] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2110.349728] which requires 64 byte alignment [ 2110.363667] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2110.382367] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2110.413744] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2110.438255] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2110.459908] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2110.480442] Call Trace: [ 2110.489202] [] dump_stack+0xd7/0x132 [ 2110.504262] [] ? arch_local_irq_restore+0x1b/0x1b [ 2110.522367] [] ubsan_epilogue+0x12/0x53 [ 2110.539589] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2110.559856] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2110.579171] [] ? kfree+0x14f/0x374 [ 2110.594209] [] ? ext4_fill_super+0x6b3f/0xa2df [ 2110.611250] [] ext4_fill_super+0x9dcc/0xa2df [ 2110.630322] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2110.651437] [] ? vsnprintf+0x1a0/0xa32 [ 2110.670316] [] ? pointer+0x7a9/0x7a9 [ 2110.684153] [] ? set_bdev_super+0x15d/0x15d [ 2110.704712] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2110.726499] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2110.753389] [] ? scnprintf+0xf3/0xf3 [ 2110.772815] [] mount_bdev+0x3cf/0x602 [ 2110.793252] [] ? mount_bdev+0x3cf/0x602 [ 2110.813074] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2110.839179] [] ext4_mount+0x3c/0x3e [ 2110.854454] [] mount_fs+0xd0/0x2ca [ 2110.873466] [] vfs_kern_mount+0xa0/0x20a [ 2110.894251] [] do_mount+0x11fe/0x19df [ 2110.910092] [] ? kasan_kmalloc+0x94/0xa3 [ 2110.932354] [] ? copy_mount_string+0x3d/0x3d [ 2110.951984] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2110.971434] [] ? __check_object_size+0x1e1/0x2b8 [ 2110.991683] [] ? 0xffffffffb1c002b8 [ 2111.009837] [] ? copy_mount_options+0x23d/0x24d [ 2111.031733] [] SyS_mount+0xa3/0xda [ 2111.049610] [] mount_block_root+0x2fc/0x650 [ 2111.068966] [] ? init_rootfs+0x99/0x99 [ 2111.088491] [] ? security_file_ioctl+0xa5/0xb4 [ 2111.109320] [] ? SyS_mknod+0x2f/0x36 [ 2111.126795] [] mount_root+0x45/0x48 [ 2111.140933] [] prepare_namespace+0x1cf/0x235 [ 2111.158871] [] kernel_init_freeable+0x4fa/0x518 [ 2111.178798] [] kernel_init+0x16/0x181 [ 2111.197438] [] ret_from_fork+0x1f/0x40 [ 2111.215102] [] ? rest_init+0x8f/0x8f [ 2111.234405] ================================================================================ [ 2111.260725] ================================================================================ [ 2111.288410] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1781:1 [ 2111.306275] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2111.338789] which requires 64 byte alignment [ 2111.351996] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2111.370807] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2111.401134] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2111.429107] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2111.455523] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2111.479635] Call Trace: [ 2111.495380] [] dump_stack+0xd7/0x132 [ 2111.517167] [] ? arch_local_irq_restore+0x1b/0x1b [ 2111.537250] [] ubsan_epilogue+0x12/0x53 [ 2111.554571] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2111.573899] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2111.595806] [] ? kfree+0x14f/0x374 [ 2111.607988] [] ? ext4_fill_super+0x6b3f/0xa2df [ 2111.625535] [] ext4_fill_super+0x9de0/0xa2df [ 2111.640638] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2111.659739] [] ? vsnprintf+0x1a0/0xa32 [ 2111.676391] [] ? pointer+0x7a9/0x7a9 [ 2111.690308] [] ? set_bdev_super+0x15d/0x15d [ 2111.708486] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2111.727088] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2111.749000] [] ? scnprintf+0xf3/0xf3 [ 2111.763127] [] mount_bdev+0x3cf/0x602 [ 2111.779650] [] ? mount_bdev+0x3cf/0x602 [ 2111.796261] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2111.812834] [] ext4_mount+0x3c/0x3e [ 2111.828665] [] mount_fs+0xd0/0x2ca [ 2111.843177] [] vfs_kern_mount+0xa0/0x20a [ 2111.856349] [] do_mount+0x11fe/0x19df [ 2111.870814] [] ? kasan_kmalloc+0x94/0xa3 [ 2111.885032] [] ? copy_mount_string+0x3d/0x3d [ 2111.901506] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2111.920261] [] ? __check_object_size+0x1e1/0x2b8 [ 2111.936588] [] ? 0xffffffffb1c002b8 [ 2111.950809] [] ? copy_mount_options+0x23d/0x24d [ 2111.969333] [] SyS_mount+0xa3/0xda [ 2111.983276] [] mount_block_root+0x2fc/0x650 [ 2112.000759] [] ? init_rootfs+0x99/0x99 [ 2112.018389] [] ? security_file_ioctl+0xa5/0xb4 [ 2112.033892] [] ? SyS_mknod+0x2f/0x36 [ 2112.058378] [] mount_root+0x45/0x48 [ 2112.077076] [] prepare_namespace+0x1cf/0x235 [ 2112.094535] [] kernel_init_freeable+0x4fa/0x518 [ 2112.110898] [] kernel_init+0x16/0x181 [ 2112.128594] [] ret_from_fork+0x1f/0x40 [ 2112.141592] [] ? rest_init+0x8f/0x8f [ 2112.159855] ================================================================================ [ 2112.186973] ================================================================================ [ 2112.212966] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2112.230499] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2112.259154] which requires 64 byte alignment [ 2112.270192] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2112.288017] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2112.323525] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2112.349221] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2112.372374] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2112.394101] Call Trace: [ 2112.400953] [] dump_stack+0xd7/0x132 [ 2112.417948] [] ? arch_local_irq_restore+0x1b/0x1b [ 2112.436337] [] ubsan_epilogue+0x12/0x53 [ 2112.451219] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2112.471875] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2112.496437] [] ? kfree+0x14f/0x374 [ 2112.511811] [] ? ext4_fill_super+0x6b3f/0xa2df [ 2112.534858] [] ext4_fill_super+0x9e18/0xa2df [ 2112.554805] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2112.578438] [] ? vsnprintf+0x1a0/0xa32 [ 2112.596574] [] ? pointer+0x7a9/0x7a9 [ 2112.616666] [] ? set_bdev_super+0x15d/0x15d [ 2112.639598] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2112.665268] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2112.691806] [] ? scnprintf+0xf3/0xf3 [ 2112.716000] [] mount_bdev+0x3cf/0x602 [ 2112.740388] [] ? mount_bdev+0x3cf/0x602 [ 2112.759849] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2112.785346] [] ext4_mount+0x3c/0x3e [ 2112.805804] [] mount_fs+0xd0/0x2ca [ 2112.828978] [] vfs_kern_mount+0xa0/0x20a [ 2112.851093] [] do_mount+0x11fe/0x19df [ 2112.875462] [] ? kasan_kmalloc+0x94/0xa3 [ 2112.892296] [] ? copy_mount_string+0x3d/0x3d [ 2112.911159] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2112.931008] [] ? __check_object_size+0x1e1/0x2b8 [ 2112.952112] [] ? 0xffffffffb1c002b8 [ 2112.967545] [] ? copy_mount_options+0x23d/0x24d [ 2112.985831] [] SyS_mount+0xa3/0xda [ 2113.001036] [] mount_block_root+0x2fc/0x650 [ 2113.019552] [] ? init_rootfs+0x99/0x99 [ 2113.036089] [] ? security_file_ioctl+0xa5/0xb4 [ 2113.056666] [] ? SyS_mknod+0x2f/0x36 [ 2113.071912] [] mount_root+0x45/0x48 [ 2113.093928] [] prepare_namespace+0x1cf/0x235 [ 2113.110323] [] kernel_init_freeable+0x4fa/0x518 [ 2113.130435] [] kernel_init+0x16/0x181 [ 2113.149932] [] ret_from_fork+0x1f/0x40 [ 2113.166479] [] ? rest_init+0x8f/0x8f [ 2113.186018] ================================================================================ [ 2113.217425] ================================================================================ [ 2113.251773] UBSAN: Undefined behaviour in fs/ext4/super.c:3920:44 [ 2113.275022] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2113.308928] which requires 64 byte alignment [ 2113.326445] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2113.350618] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2113.384621] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2113.416013] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2113.446164] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2113.475144] Call Trace: [ 2113.482359] [] dump_stack+0xd7/0x132 [ 2113.499545] [] ? arch_local_irq_restore+0x1b/0x1b [ 2113.523242] [] ubsan_epilogue+0x12/0x53 [ 2113.539292] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2113.561634] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2113.585615] [] ? kfree+0x14f/0x374 [ 2113.600928] [] ? ext4_fill_super+0x6b3f/0xa2df [ 2113.623270] [] ext4_fill_super+0x9e31/0xa2df [ 2113.643508] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2113.666401] [] ? vsnprintf+0x1a0/0xa32 [ 2113.683075] [] ? pointer+0x7a9/0x7a9 [ 2113.702046] [] ? set_bdev_super+0x15d/0x15d [ 2113.750450] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2113.806361] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2113.835192] [] ? scnprintf+0xf3/0xf3 [ 2113.856276] [] mount_bdev+0x3cf/0x602 [ 2113.873168] [] ? mount_bdev+0x3cf/0x602 [ 2113.889454] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2113.912458] [] ext4_mount+0x3c/0x3e [ 2113.931264] [] mount_fs+0xd0/0x2ca [ 2113.949111] [] vfs_kern_mount+0xa0/0x20a [ 2113.969926] [] do_mount+0x11fe/0x19df [ 2113.988567] [] ? kasan_kmalloc+0x94/0xa3 [ 2114.007986] [] ? copy_mount_string+0x3d/0x3d [ 2114.028964] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2114.052900] [] ? __check_object_size+0x1e1/0x2b8 [ 2114.079635] [] ? 0xffffffffb1c002b8 [ 2114.103415] [] ? copy_mount_options+0x23d/0x24d [ 2114.131139] [] SyS_mount+0xa3/0xda [ 2114.154856] [] mount_block_root+0x2fc/0x650 [ 2114.189504] [] ? init_rootfs+0x99/0x99 [ 2114.218141] [] ? security_file_ioctl+0xa5/0xb4 [ 2114.240960] [] ? SyS_mknod+0x2f/0x36 [ 2114.259779] [] mount_root+0x45/0x48 [ 2114.277533] [] prepare_namespace+0x1cf/0x235 [ 2114.298728] [] kernel_init_freeable+0x4fa/0x518 [ 2114.319615] [] kernel_init+0x16/0x181 [ 2114.337319] [] ret_from_fork+0x1f/0x40 [ 2114.358456] [] ? rest_init+0x8f/0x8f [ 2114.383593] ================================================================================ [ 2114.448502] ================================================================================ [ 2114.516899] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2114.549436] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2114.596681] which requires 64 byte alignment [ 2114.614140] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2114.648570] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2114.696851] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2114.732789] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2114.773935] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2114.809559] Call Trace: [ 2114.817692] [] dump_stack+0xd7/0x132 [ 2114.839078] [] ? arch_local_irq_restore+0x1b/0x1b [ 2114.862220] [] ubsan_epilogue+0x12/0x53 [ 2114.880716] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2114.905436] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2114.931135] [] ? jbd2_journal_check_used_features+0x174/0x182 [ 2114.957487] [] ? jbd2_journal_set_features+0x48b/0x499 [ 2114.982937] [] ext4_fill_super+0x9e7a/0xa2df [ 2115.001741] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2115.025005] [] ? vsnprintf+0x1a0/0xa32 [ 2115.046585] [] ? pointer+0x7a9/0x7a9 [ 2115.062598] [] ? set_bdev_super+0x15d/0x15d [ 2115.079442] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2115.102035] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2115.128797] [] ? scnprintf+0xf3/0xf3 [ 2115.147897] [] mount_bdev+0x3cf/0x602 [ 2115.166759] [] ? mount_bdev+0x3cf/0x602 [ 2115.181478] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2115.206269] [] ext4_mount+0x3c/0x3e [ 2115.220383] [] mount_fs+0xd0/0x2ca [ 2115.236371] [] vfs_kern_mount+0xa0/0x20a [ 2115.252881] [] do_mount+0x11fe/0x19df [ 2115.272110] [] ? kasan_kmalloc+0x94/0xa3 [ 2115.289769] [] ? copy_mount_string+0x3d/0x3d [ 2115.307261] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2115.323860] [] ? __check_object_size+0x1e1/0x2b8 [ 2115.342077] [] ? 0xffffffffb1c002b8 [ 2115.357056] [] ? copy_mount_options+0x23d/0x24d [ 2115.375676] [] SyS_mount+0xa3/0xda [ 2115.389456] [] mount_block_root+0x2fc/0x650 [ 2115.408408] [] ? init_rootfs+0x99/0x99 [ 2115.425137] [] ? security_file_ioctl+0xa5/0xb4 [ 2115.440902] [] ? SyS_mknod+0x2f/0x36 [ 2115.460482] [] mount_root+0x45/0x48 [ 2115.476851] [] prepare_namespace+0x1cf/0x235 [ 2115.495964] [] kernel_init_freeable+0x4fa/0x518 [ 2115.517015] [] kernel_init+0x16/0x181 [ 2115.538896] [] ret_from_fork+0x1f/0x40 [ 2115.554887] [] ? rest_init+0x8f/0x8f [ 2115.574745] ================================================================================ [ 2115.606318] ================================================================================ [ 2115.661792] UBSAN: Undefined behaviour in fs/ext4/super.c:3109:33 [ 2115.699918] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2115.747528] which requires 64 byte alignment [ 2115.773819] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2115.808808] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2115.857807] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2115.889814] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2115.918177] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2115.949340] Call Trace: [ 2115.958331] [] dump_stack+0xd7/0x132 [ 2115.973651] [] ? arch_local_irq_restore+0x1b/0x1b [ 2115.997393] [] ubsan_epilogue+0x12/0x53 [ 2116.017663] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2116.054631] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2116.088433] [] ? jbd2_journal_check_used_features+0x174/0x182 [ 2116.117284] [] ext4_fill_super+0x9e9d/0xa2df [ 2116.145315] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2116.167650] [] ? vsnprintf+0x1a0/0xa32 [ 2116.187131] [] ? pointer+0x7a9/0x7a9 [ 2116.203003] [] ? set_bdev_super+0x15d/0x15d [ 2116.225494] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2116.251979] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2116.275382] [] ? scnprintf+0xf3/0xf3 [ 2116.300964] [] mount_bdev+0x3cf/0x602 [ 2116.317751] [] ? mount_bdev+0x3cf/0x602 [ 2116.334312] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2116.353682] [] ext4_mount+0x3c/0x3e [ 2116.372096] [] mount_fs+0xd0/0x2ca [ 2116.389737] [] vfs_kern_mount+0xa0/0x20a [ 2116.407026] [] do_mount+0x11fe/0x19df [ 2116.424028] [] ? kasan_kmalloc+0x94/0xa3 [ 2116.439843] [] ? copy_mount_string+0x3d/0x3d [ 2116.460292] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2116.483736] [] ? __check_object_size+0x1e1/0x2b8 [ 2116.501014] [] ? 0xffffffffb1c002b8 [ 2116.519066] [] ? copy_mount_options+0x23d/0x24d [ 2116.541658] [] SyS_mount+0xa3/0xda [ 2116.558300] [] mount_block_root+0x2fc/0x650 [ 2116.577796] [] ? init_rootfs+0x99/0x99 [ 2116.593432] [] ? security_file_ioctl+0xa5/0xb4 [ 2116.613210] [] ? SyS_mknod+0x2f/0x36 [ 2116.627375] [] mount_root+0x45/0x48 [ 2116.644834] [] prepare_namespace+0x1cf/0x235 [ 2116.664222] [] kernel_init_freeable+0x4fa/0x518 [ 2116.682280] [] kernel_init+0x16/0x181 [ 2116.700148] [] ret_from_fork+0x1f/0x40 [ 2116.718144] [] ? rest_init+0x8f/0x8f [ 2116.734635] ================================================================================ [ 2116.762867] ================================================================================ [ 2116.795546] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2116.816705] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2116.847645] which requires 64 byte alignment [ 2116.860921] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2116.882664] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2116.916637] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2116.944206] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2116.968497] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2116.995111] Call Trace: [ 2117.001266] [] dump_stack+0xd7/0x132 [ 2117.018677] [] ? arch_local_irq_restore+0x1b/0x1b [ 2117.038695] [] ubsan_epilogue+0x12/0x53 [ 2117.056456] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2117.079683] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2117.102624] [] ? jbd2_journal_check_used_features+0x174/0x182 [ 2117.128168] [] ext4_fill_super+0x9eb1/0xa2df [ 2117.146162] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2117.168188] [] ? vsnprintf+0x1a0/0xa32 [ 2117.182625] [] ? pointer+0x7a9/0x7a9 [ 2117.199975] [] ? set_bdev_super+0x15d/0x15d [ 2117.218429] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2117.240912] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2117.268977] [] ? scnprintf+0xf3/0xf3 [ 2117.288896] [] mount_bdev+0x3cf/0x602 [ 2117.303327] [] ? mount_bdev+0x3cf/0x602 [ 2117.323222] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2117.344151] [] ext4_mount+0x3c/0x3e [ 2117.359545] [] mount_fs+0xd0/0x2ca [ 2117.375968] [] vfs_kern_mount+0xa0/0x20a [ 2117.395635] [] do_mount+0x11fe/0x19df [ 2117.410471] [] ? kasan_kmalloc+0x94/0xa3 [ 2117.429867] [] ? copy_mount_string+0x3d/0x3d [ 2117.450998] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2117.470401] [] ? __check_object_size+0x1e1/0x2b8 [ 2117.489262] [] ? 0xffffffffb1c002b8 [ 2117.506943] [] ? copy_mount_options+0x23d/0x24d [ 2117.526790] [] SyS_mount+0xa3/0xda [ 2117.546641] [] mount_block_root+0x2fc/0x650 [ 2117.563579] [] ? init_rootfs+0x99/0x99 [ 2117.583422] [] ? security_file_ioctl+0xa5/0xb4 [ 2117.601583] [] ? SyS_mknod+0x2f/0x36 [ 2117.619305] [] mount_root+0x45/0x48 [ 2117.637696] [] prepare_namespace+0x1cf/0x235 [ 2117.655252] [] kernel_init_freeable+0x4fa/0x518 [ 2117.675572] [] kernel_init+0x16/0x181 [ 2117.691836] [] ret_from_fork+0x1f/0x40 [ 2117.709871] [] ? rest_init+0x8f/0x8f [ 2117.725539] ================================================================================ [ 2117.751754] ================================================================================ [ 2117.780567] UBSAN: Undefined behaviour in fs/ext4/super.c:3113:6 [ 2117.799246] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2117.827664] which requires 64 byte alignment [ 2117.841200] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2117.858975] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2117.890408] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2117.914022] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2117.936949] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2117.960724] Call Trace: [ 2117.969673] [] dump_stack+0xd7/0x132 [ 2117.984314] [] ? arch_local_irq_restore+0x1b/0x1b [ 2118.002389] [] ubsan_epilogue+0x12/0x53 [ 2118.021211] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2118.047102] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2118.069282] [] ? jbd2_journal_check_used_features+0x174/0x182 [ 2118.094365] [] ext4_fill_super+0x9ec5/0xa2df [ 2118.115234] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2118.136188] [] ? vsnprintf+0x1a0/0xa32 [ 2118.152346] [] ? pointer+0x7a9/0x7a9 [ 2118.172224] [] ? set_bdev_super+0x15d/0x15d [ 2118.192497] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2118.217483] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2118.239700] [] ? scnprintf+0xf3/0xf3 [ 2118.256117] [] mount_bdev+0x3cf/0x602 [ 2118.273070] [] ? mount_bdev+0x3cf/0x602 [ 2118.319003] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2118.359311] [] ext4_mount+0x3c/0x3e [ 2118.382060] [] mount_fs+0xd0/0x2ca [ 2118.402710] [] vfs_kern_mount+0xa0/0x20a [ 2118.420443] [] do_mount+0x11fe/0x19df [ 2118.435077] [] ? kasan_kmalloc+0x94/0xa3 [ 2118.453235] [] ? copy_mount_string+0x3d/0x3d [ 2118.470282] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2118.491160] [] ? __check_object_size+0x1e1/0x2b8 [ 2118.507872] [] ? 0xffffffffb1c002b8 [ 2118.523759] [] ? copy_mount_options+0x23d/0x24d [ 2118.544778] [] SyS_mount+0xa3/0xda [ 2118.560689] [] mount_block_root+0x2fc/0x650 [ 2118.581875] [] ? init_rootfs+0x99/0x99 [ 2118.596376] [] ? security_file_ioctl+0xa5/0xb4 [ 2118.616538] [] ? SyS_mknod+0x2f/0x36 [ 2118.633812] [] mount_root+0x45/0x48 [ 2118.648463] [] prepare_namespace+0x1cf/0x235 [ 2118.666499] [] kernel_init_freeable+0x4fa/0x518 [ 2118.687911] [] kernel_init+0x16/0x181 [ 2118.701859] [] ret_from_fork+0x1f/0x40 [ 2118.719219] [] ? rest_init+0x8f/0x8f [ 2118.738407] ================================================================================ [ 2118.764970] ================================================================================ [ 2118.791127] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2118.810580] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2118.838339] which requires 64 byte alignment [ 2118.851820] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2118.871799] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2118.902020] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2118.927408] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2118.951823] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2118.979841] Call Trace: [ 2118.987722] [] dump_stack+0xd7/0x132 [ 2119.007981] [] ? arch_local_irq_restore+0x1b/0x1b [ 2119.027852] [] ubsan_epilogue+0x12/0x53 [ 2119.046278] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2119.069588] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2119.095642] [] ? jbd2_journal_check_used_features+0x174/0x182 [ 2119.119919] [] ext4_fill_super+0x9f3c/0xa2df [ 2119.139869] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2119.159940] [] ? vsnprintf+0x1a0/0xa32 [ 2119.177052] [] ? pointer+0x7a9/0x7a9 [ 2119.192033] [] ? set_bdev_super+0x15d/0x15d [ 2119.210470] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2119.233113] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2119.254683] [] ? scnprintf+0xf3/0xf3 [ 2119.270873] [] mount_bdev+0x3cf/0x602 [ 2119.288681] [] ? mount_bdev+0x3cf/0x602 [ 2119.303641] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2119.325590] [] ext4_mount+0x3c/0x3e [ 2119.341233] [] mount_fs+0xd0/0x2ca [ 2119.357633] [] vfs_kern_mount+0xa0/0x20a [ 2119.378188] [] do_mount+0x11fe/0x19df [ 2119.394622] [] ? kasan_kmalloc+0x94/0xa3 [ 2119.409765] [] ? copy_mount_string+0x3d/0x3d [ 2119.429854] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2119.449320] [] ? __check_object_size+0x1e1/0x2b8 [ 2119.468885] [] ? 0xffffffffb1c002b8 [ 2119.484629] [] ? copy_mount_options+0x23d/0x24d [ 2119.503954] [] SyS_mount+0xa3/0xda [ 2119.519425] [] mount_block_root+0x2fc/0x650 [ 2119.541613] [] ? init_rootfs+0x99/0x99 [ 2119.555760] [] ? security_file_ioctl+0xa5/0xb4 [ 2119.575126] [] ? SyS_mknod+0x2f/0x36 [ 2119.592021] [] mount_root+0x45/0x48 [ 2119.606934] [] prepare_namespace+0x1cf/0x235 [ 2119.626451] [] kernel_init_freeable+0x4fa/0x518 [ 2119.646732] [] kernel_init+0x16/0x181 [ 2119.662255] [] ret_from_fork+0x1f/0x40 [ 2119.681170] [] ? rest_init+0x8f/0x8f [ 2119.698486] ================================================================================ [ 2119.732152] ================================================================================ [ 2119.762785] UBSAN: Undefined behaviour in fs/ext4/super.c:3118:13 [ 2119.781453] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2119.811938] which requires 64 byte alignment [ 2119.826713] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2119.847810] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2119.878020] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2119.902975] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2119.931532] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2119.961267] Call Trace: [ 2119.968191] [] dump_stack+0xd7/0x132 [ 2119.982085] [] ? arch_local_irq_restore+0x1b/0x1b [ 2120.003354] [] ubsan_epilogue+0x12/0x53 [ 2120.021387] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2120.046181] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2120.068476] [] ? jbd2_journal_check_used_features+0x174/0x182 [ 2120.089848] [] ext4_fill_super+0x9f50/0xa2df [ 2120.107986] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2120.128320] [] ? vsnprintf+0x1a0/0xa32 [ 2120.145178] [] ? pointer+0x7a9/0x7a9 [ 2120.160067] [] ? set_bdev_super+0x15d/0x15d [ 2120.179465] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2120.205781] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2120.230996] [] ? scnprintf+0xf3/0xf3 [ 2120.246338] [] mount_bdev+0x3cf/0x602 [ 2120.261708] [] ? mount_bdev+0x3cf/0x602 [ 2120.282606] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2120.300817] [] ext4_mount+0x3c/0x3e [ 2120.318674] [] mount_fs+0xd0/0x2ca [ 2120.336112] [] vfs_kern_mount+0xa0/0x20a [ 2120.351447] [] do_mount+0x11fe/0x19df [ 2120.369987] [] ? kasan_kmalloc+0x94/0xa3 [ 2120.386922] [] ? copy_mount_string+0x3d/0x3d [ 2120.403950] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2120.424231] [] ? __check_object_size+0x1e1/0x2b8 [ 2120.443449] [] ? 0xffffffffb1c002b8 [ 2120.460359] [] ? copy_mount_options+0x23d/0x24d [ 2120.478161] [] SyS_mount+0xa3/0xda [ 2120.495749] [] mount_block_root+0x2fc/0x650 [ 2120.517411] [] ? init_rootfs+0x99/0x99 [ 2120.532022] [] ? security_file_ioctl+0xa5/0xb4 [ 2120.553226] [] ? SyS_mknod+0x2f/0x36 [ 2120.569878] [] mount_root+0x45/0x48 [ 2120.584229] [] prepare_namespace+0x1cf/0x235 [ 2120.601422] [] kernel_init_freeable+0x4fa/0x518 [ 2120.619469] [] kernel_init+0x16/0x181 [ 2120.636224] [] ret_from_fork+0x1f/0x40 [ 2120.654239] [] ? rest_init+0x8f/0x8f [ 2120.671283] ================================================================================ [ 2120.699587] ================================================================================ [ 2120.725468] UBSAN: Undefined behaviour in fs/ext4/super.c:3119:38 [ 2120.745954] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2120.775494] which requires 64 byte alignment [ 2120.790336] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2120.808974] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2120.837619] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2120.860460] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2120.885821] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2120.911494] Call Trace: [ 2120.918404] [] dump_stack+0xd7/0x132 [ 2120.931972] [] ? arch_local_irq_restore+0x1b/0x1b [ 2120.950249] [] ubsan_epilogue+0x12/0x53 [ 2120.967333] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2120.988229] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2121.010266] [] ? jbd2_journal_check_used_features+0x174/0x182 [ 2121.031765] [] ext4_fill_super+0x9f88/0xa2df [ 2121.052579] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2121.074048] [] ? vsnprintf+0x1a0/0xa32 [ 2121.090135] [] ? pointer+0x7a9/0x7a9 [ 2121.104692] [] ? set_bdev_super+0x15d/0x15d [ 2121.122839] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2121.147353] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2121.169655] [] ? scnprintf+0xf3/0xf3 [ 2121.186885] [] mount_bdev+0x3cf/0x602 [ 2121.203004] [] ? mount_bdev+0x3cf/0x602 [ 2121.219420] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2121.240680] [] ext4_mount+0x3c/0x3e [ 2121.259357] [] mount_fs+0xd0/0x2ca [ 2121.276966] [] vfs_kern_mount+0xa0/0x20a [ 2121.292791] [] do_mount+0x11fe/0x19df [ 2121.310723] [] ? kasan_kmalloc+0x94/0xa3 [ 2121.327601] [] ? copy_mount_string+0x3d/0x3d [ 2121.345847] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2121.366714] [] ? __check_object_size+0x1e1/0x2b8 [ 2121.387172] [] ? 0xffffffffb1c002b8 [ 2121.400425] [] ? copy_mount_options+0x23d/0x24d [ 2121.418582] [] SyS_mount+0xa3/0xda [ 2121.435238] [] mount_block_root+0x2fc/0x650 [ 2121.452850] [] ? init_rootfs+0x99/0x99 [ 2121.470128] [] ? security_file_ioctl+0xa5/0xb4 [ 2121.492078] [] ? SyS_mknod+0x2f/0x36 [ 2121.508842] [] mount_root+0x45/0x48 [ 2121.527827] [] prepare_namespace+0x1cf/0x235 [ 2121.544368] [] kernel_init_freeable+0x4fa/0x518 [ 2121.564249] [] kernel_init+0x16/0x181 [ 2121.582783] [] ret_from_fork+0x1f/0x40 [ 2121.600130] [] ? rest_init+0x8f/0x8f [ 2121.617157] ================================================================================ [ 2121.643748] ================================================================================ [ 2121.670132] UBSAN: Undefined behaviour in fs/ext4/super.c:3122:34 [ 2121.689301] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2121.719274] which requires 64 byte alignment [ 2121.735877] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2121.753708] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2121.780818] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2121.806083] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2121.831334] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2121.857638] Call Trace: [ 2121.867136] [] dump_stack+0xd7/0x132 [ 2121.884630] [] ? arch_local_irq_restore+0x1b/0x1b [ 2121.906131] [] ubsan_epilogue+0x12/0x53 [ 2121.922448] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2121.947435] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2121.969653] [] ? jbd2_journal_set_features+0x48b/0x499 [ 2121.991102] [] ext4_fill_super+0x9fc8/0xa2df [ 2122.010234] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2122.030879] [] ? vsnprintf+0x1a0/0xa32 [ 2122.045187] [] ? pointer+0x7a9/0x7a9 [ 2122.062673] [] ? set_bdev_super+0x15d/0x15d [ 2122.080868] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2122.101873] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2122.123910] [] ? scnprintf+0xf3/0xf3 [ 2122.139334] [] mount_bdev+0x3cf/0x602 [ 2122.158818] [] ? mount_bdev+0x3cf/0x602 [ 2122.175200] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2122.195349] [] ext4_mount+0x3c/0x3e [ 2122.215950] [] mount_fs+0xd0/0x2ca [ 2122.237659] [] vfs_kern_mount+0xa0/0x20a [ 2122.253541] [] do_mount+0x11fe/0x19df [ 2122.272304] [] ? kasan_kmalloc+0x94/0xa3 [ 2122.288135] [] ? copy_mount_string+0x3d/0x3d [ 2122.307846] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2122.330251] [] ? __check_object_size+0x1e1/0x2b8 [ 2122.350989] [] ? 0xffffffffb1c002b8 [ 2122.367218] [] ? copy_mount_options+0x23d/0x24d [ 2122.383956] [] SyS_mount+0xa3/0xda [ 2122.399718] [] mount_block_root+0x2fc/0x650 [ 2122.418695] [] ? init_rootfs+0x99/0x99 [ 2122.434501] [] ? security_file_ioctl+0xa5/0xb4 [ 2122.452411] [] ? SyS_mknod+0x2f/0x36 [ 2122.470710] [] mount_root+0x45/0x48 [ 2122.485586] [] prepare_namespace+0x1cf/0x235 [ 2122.505653] [] kernel_init_freeable+0x4fa/0x518 [ 2122.524343] [] kernel_init+0x16/0x181 [ 2122.541234] [] ret_from_fork+0x1f/0x40 [ 2122.560589] [] ? rest_init+0x8f/0x8f [ 2122.577103] ================================================================================ [ 2122.602057] ================================================================================ [ 2122.634188] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2122.654775] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2122.681809] which requires 64 byte alignment [ 2122.696696] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2122.717549] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2122.753321] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2122.777958] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2122.806515] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2122.829852] Call Trace: [ 2122.838960] [] dump_stack+0xd7/0x132 [ 2122.853978] [] ? arch_local_irq_restore+0x1b/0x1b [ 2122.876217] [] ubsan_epilogue+0x12/0x53 [ 2122.893678] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2122.911929] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2122.932905] [] ext4_fill_super+0xa02d/0xa2df [ 2122.951469] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2122.971788] [] ? vsnprintf+0x1a0/0xa32 [ 2122.988358] [] ? pointer+0x7a9/0x7a9 [ 2123.005708] [] ? set_bdev_super+0x15d/0x15d [ 2123.021396] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2123.043723] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2123.066954] [] ? scnprintf+0xf3/0xf3 [ 2123.083373] [] mount_bdev+0x3cf/0x602 [ 2123.098945] [] ? mount_bdev+0x3cf/0x602 [ 2123.118445] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2123.137823] [] ext4_mount+0x3c/0x3e [ 2123.154110] [] mount_fs+0xd0/0x2ca [ 2123.170793] [] vfs_kern_mount+0xa0/0x20a [ 2123.189936] [] do_mount+0x11fe/0x19df [ 2123.206334] [] ? kasan_kmalloc+0x94/0xa3 [ 2123.224116] [] ? copy_mount_string+0x3d/0x3d [ 2123.242721] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2123.261977] [] ? __check_object_size+0x1e1/0x2b8 [ 2123.280717] [] ? 0xffffffffb1c002b8 [ 2123.298227] [] ? copy_mount_options+0x23d/0x24d [ 2123.319441] [] SyS_mount+0xa3/0xda [ 2123.335740] [] mount_block_root+0x2fc/0x650 [ 2123.352543] [] ? init_rootfs+0x99/0x99 [ 2123.369960] [] ? security_file_ioctl+0xa5/0xb4 [ 2123.390031] [] ? SyS_mknod+0x2f/0x36 [ 2123.405749] [] mount_root+0x45/0x48 [ 2123.422177] [] prepare_namespace+0x1cf/0x235 [ 2123.442464] [] kernel_init_freeable+0x4fa/0x518 [ 2123.461398] [] kernel_init+0x16/0x181 [ 2123.481014] [] ret_from_fork+0x1f/0x40 [ 2123.497877] [] ? rest_init+0x8f/0x8f [ 2123.516364] ================================================================================ [ 2123.543691] ================================================================================ [ 2123.571593] UBSAN: Undefined behaviour in fs/ext4/super.c:3934:10 [ 2123.591446] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2123.617896] which requires 64 byte alignment [ 2123.630125] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2123.650758] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2123.686981] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2123.710450] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2123.730109] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2123.757460] Call Trace: [ 2123.765274] [] dump_stack+0xd7/0x132 [ 2123.781142] [] ? arch_local_irq_restore+0x1b/0x1b [ 2123.799762] [] ubsan_epilogue+0x12/0x53 [ 2123.817201] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2123.837295] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2123.862284] [] ext4_fill_super+0xa041/0xa2df [ 2123.880296] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2123.900939] [] ? vsnprintf+0x1a0/0xa32 [ 2123.917707] [] ? pointer+0x7a9/0x7a9 [ 2123.935498] [] ? set_bdev_super+0x15d/0x15d [ 2123.956194] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2123.976871] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2123.999477] [] ? scnprintf+0xf3/0xf3 [ 2124.017680] [] mount_bdev+0x3cf/0x602 [ 2124.032824] [] ? mount_bdev+0x3cf/0x602 [ 2124.048728] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2124.069696] [] ext4_mount+0x3c/0x3e [ 2124.085844] [] mount_fs+0xd0/0x2ca [ 2124.100328] [] vfs_kern_mount+0xa0/0x20a [ 2124.117749] [] do_mount+0x11fe/0x19df [ 2124.135653] [] ? kasan_kmalloc+0x94/0xa3 [ 2124.151028] [] ? copy_mount_string+0x3d/0x3d [ 2124.170812] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2124.190208] [] ? __check_object_size+0x1e1/0x2b8 [ 2124.210331] [] ? 0xffffffffb1c002b8 [ 2124.224901] [] ? copy_mount_options+0x23d/0x24d [ 2124.243903] [] SyS_mount+0xa3/0xda [ 2124.261869] [] mount_block_root+0x2fc/0x650 [ 2124.278130] [] ? init_rootfs+0x99/0x99 [ 2124.295378] [] ? security_file_ioctl+0xa5/0xb4 [ 2124.315887] [] ? SyS_mknod+0x2f/0x36 [ 2124.331086] [] mount_root+0x45/0x48 [ 2124.347937] [] prepare_namespace+0x1cf/0x235 [ 2124.366914] [] kernel_init_freeable+0x4fa/0x518 [ 2124.385928] [] kernel_init+0x16/0x181 [ 2124.401502] [] ret_from_fork+0x1f/0x40 [ 2124.419392] [] ? rest_init+0x8f/0x8f [ 2124.437371] ================================================================================ [ 2124.465278] ================================================================================ [ 2124.489952] UBSAN: Undefined behaviour in fs/ext4/super.c:3941:11 [ 2124.509423] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2124.536758] which requires 64 byte alignment [ 2124.548749] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2124.564728] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2124.592543] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2124.614193] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2124.638012] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2124.660888] Call Trace: [ 2124.668903] [] dump_stack+0xd7/0x132 [ 2124.688225] [] ? arch_local_irq_restore+0x1b/0x1b [ 2124.707516] [] ubsan_epilogue+0x12/0x53 [ 2124.724920] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2124.746757] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2124.768464] [] ext4_fill_super+0xa065/0xa2df [ 2124.785259] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2124.804990] [] ? vsnprintf+0x1a0/0xa32 [ 2124.820147] [] ? pointer+0x7a9/0x7a9 [ 2124.835672] [] ? set_bdev_super+0x15d/0x15d [ 2124.852142] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2124.872543] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2124.896046] [] ? scnprintf+0xf3/0xf3 [ 2124.910857] [] mount_bdev+0x3cf/0x602 [ 2124.926635] [] ? mount_bdev+0x3cf/0x602 [ 2124.945607] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2124.965764] [] ext4_mount+0x3c/0x3e [ 2124.980042] [] mount_fs+0xd0/0x2ca [ 2124.997735] [] vfs_kern_mount+0xa0/0x20a [ 2125.014012] [] do_mount+0x11fe/0x19df [ 2125.028998] [] ? kasan_kmalloc+0x94/0xa3 [ 2125.046892] [] ? copy_mount_string+0x3d/0x3d [ 2125.064318] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2125.080853] [] ? __check_object_size+0x1e1/0x2b8 [ 2125.101943] [] ? 0xffffffffb1c002b8 [ 2125.119090] [] ? copy_mount_options+0x23d/0x24d [ 2125.141766] [] SyS_mount+0xa3/0xda [ 2125.156942] [] mount_block_root+0x2fc/0x650 [ 2125.175721] [] ? init_rootfs+0x99/0x99 [ 2125.194896] [] ? security_file_ioctl+0xa5/0xb4 [ 2125.216186] [] ? SyS_mknod+0x2f/0x36 [ 2125.231652] [] mount_root+0x45/0x48 [ 2125.247842] [] prepare_namespace+0x1cf/0x235 [ 2125.267842] [] kernel_init_freeable+0x4fa/0x518 [ 2125.287902] [] kernel_init+0x16/0x181 [ 2125.300501] [] ret_from_fork+0x1f/0x40 [ 2125.316185] [] ? rest_init+0x8f/0x8f [ 2125.331733] ================================================================================ [ 2125.357487] ================================================================================ [ 2125.382271] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2125.400978] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2125.428092] which requires 64 byte alignment [ 2125.443146] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2125.461818] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2125.490741] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2125.512495] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2125.536311] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2125.556932] Call Trace: [ 2125.562520] [] dump_stack+0xd7/0x132 [ 2125.577474] [] ? arch_local_irq_restore+0x1b/0x1b [ 2125.598040] [] ubsan_epilogue+0x12/0x53 [ 2125.616152] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2125.638684] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2125.659429] [] ext4_fill_super+0xa0a9/0xa2df [ 2125.676792] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2125.697049] [] ? vsnprintf+0x1a0/0xa32 [ 2125.715108] [] ? pointer+0x7a9/0x7a9 [ 2125.731519] [] ? set_bdev_super+0x15d/0x15d [ 2125.749514] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2125.773766] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2125.796952] [] ? scnprintf+0xf3/0xf3 [ 2125.815271] [] mount_bdev+0x3cf/0x602 [ 2125.830618] [] ? mount_bdev+0x3cf/0x602 [ 2125.850846] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2125.873833] [] ext4_mount+0x3c/0x3e [ 2125.891757] [] mount_fs+0xd0/0x2ca [ 2125.908393] [] vfs_kern_mount+0xa0/0x20a [ 2125.927025] [] do_mount+0x11fe/0x19df [ 2125.947660] [] ? kasan_kmalloc+0x94/0xa3 [ 2125.969105] [] ? copy_mount_string+0x3d/0x3d [ 2125.987419] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2126.010379] [] ? __check_object_size+0x1e1/0x2b8 [ 2126.029604] [] ? 0xffffffffb1c002b8 [ 2126.047450] [] ? copy_mount_options+0x23d/0x24d [ 2126.067209] [] SyS_mount+0xa3/0xda [ 2126.081413] [] mount_block_root+0x2fc/0x650 [ 2126.100422] [] ? init_rootfs+0x99/0x99 [ 2126.116806] [] ? security_file_ioctl+0xa5/0xb4 [ 2126.137284] [] ? SyS_mknod+0x2f/0x36 [ 2126.157655] [] mount_root+0x45/0x48 [ 2126.173406] [] prepare_namespace+0x1cf/0x235 [ 2126.193387] [] kernel_init_freeable+0x4fa/0x518 [ 2126.212722] [] kernel_init+0x16/0x181 [ 2126.230106] [] ret_from_fork+0x1f/0x40 [ 2126.248028] [] ? rest_init+0x8f/0x8f [ 2126.266883] ================================================================================ [ 2126.295643] ================================================================================ [ 2126.320517] UBSAN: Undefined behaviour in fs/ext4/super.c:3942:4 [ 2126.340480] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2126.374346] which requires 64 byte alignment [ 2126.388431] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2126.406967] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2126.435807] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2126.460401] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2126.486158] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2126.510810] Call Trace: [ 2126.518412] [] dump_stack+0xd7/0x132 [ 2126.537064] [] ? arch_local_irq_restore+0x1b/0x1b [ 2126.558191] [] ubsan_epilogue+0x12/0x53 [ 2126.574292] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2126.596056] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2126.618891] [] ext4_fill_super+0xa0d6/0xa2df [ 2126.639416] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2126.659684] [] ? vsnprintf+0x1a0/0xa32 [ 2126.673418] [] ? pointer+0x7a9/0x7a9 [ 2126.690706] [] ? set_bdev_super+0x15d/0x15d [ 2126.709805] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2126.730829] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2126.753713] [] ? scnprintf+0xf3/0xf3 [ 2126.771504] [] mount_bdev+0x3cf/0x602 [ 2126.789368] [] ? mount_bdev+0x3cf/0x602 [ 2126.808915] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2126.830364] [] ext4_mount+0x3c/0x3e [ 2126.848830] [] mount_fs+0xd0/0x2ca [ 2126.870380] [] vfs_kern_mount+0xa0/0x20a [ 2126.893808] [] do_mount+0x11fe/0x19df [ 2126.910809] [] ? kasan_kmalloc+0x94/0xa3 [ 2126.930370] [] ? copy_mount_string+0x3d/0x3d [ 2126.952790] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2126.971613] [] ? __check_object_size+0x1e1/0x2b8 [ 2126.992695] [] ? 0xffffffffb1c002b8 [ 2127.010207] [] ? copy_mount_options+0x23d/0x24d [ 2127.030711] [] SyS_mount+0xa3/0xda [ 2127.047872] [] mount_block_root+0x2fc/0x650 [ 2127.067002] [] ? init_rootfs+0x99/0x99 [ 2127.081616] [] ? security_file_ioctl+0xa5/0xb4 [ 2127.099018] [] ? SyS_mknod+0x2f/0x36 [ 2127.118060] [] mount_root+0x45/0x48 [ 2127.138081] [] prepare_namespace+0x1cf/0x235 [ 2127.158545] [] kernel_init_freeable+0x4fa/0x518 [ 2127.178806] [] kernel_init+0x16/0x181 [ 2127.195967] [] ret_from_fork+0x1f/0x40 [ 2127.215087] [] ? rest_init+0x8f/0x8f [ 2127.233381] ================================================================================ [ 2127.260196] ================================================================================ [ 2127.286878] UBSAN: Undefined behaviour in fs/ext4/super.c:3942:4 [ 2127.302310] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2127.335915] which requires 64 byte alignment [ 2127.349349] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2127.368224] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2127.395959] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2127.417545] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2127.441010] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2127.466400] Call Trace: [ 2127.473507] [] dump_stack+0xd7/0x132 [ 2127.490662] [] ? arch_local_irq_restore+0x1b/0x1b [ 2127.510969] [] ubsan_epilogue+0x12/0x53 [ 2127.528089] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2127.548399] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2127.570090] [] ext4_fill_super+0xa17b/0xa2df [ 2127.590579] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2127.611170] [] ? vsnprintf+0x1a0/0xa32 [ 2127.627117] [] ? pointer+0x7a9/0x7a9 [ 2127.644825] [] ? set_bdev_super+0x15d/0x15d [ 2127.662052] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2127.682960] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2127.702892] [] ? scnprintf+0xf3/0xf3 [ 2127.718963] [] mount_bdev+0x3cf/0x602 [ 2127.735012] [] ? mount_bdev+0x3cf/0x602 [ 2127.753086] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2127.776558] [] ext4_mount+0x3c/0x3e [ 2127.794190] [] mount_fs+0xd0/0x2ca [ 2127.811420] [] vfs_kern_mount+0xa0/0x20a [ 2127.827611] [] do_mount+0x11fe/0x19df [ 2127.846261] [] ? kasan_kmalloc+0x94/0xa3 [ 2127.866388] [] ? copy_mount_string+0x3d/0x3d [ 2127.887819] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2127.908447] [] ? __check_object_size+0x1e1/0x2b8 [ 2127.928560] [] ? 0xffffffffb1c002b8 [ 2127.948100] [] ? copy_mount_options+0x23d/0x24d [ 2127.972053] [] SyS_mount+0xa3/0xda [ 2127.989860] [] mount_block_root+0x2fc/0x650 [ 2128.008361] [] ? init_rootfs+0x99/0x99 [ 2128.024702] [] ? security_file_ioctl+0xa5/0xb4 [ 2128.043484] [] ? SyS_mknod+0x2f/0x36 [ 2128.059625] [] mount_root+0x45/0x48 [ 2128.078446] [] prepare_namespace+0x1cf/0x235 [ 2128.095886] [] kernel_init_freeable+0x4fa/0x518 [ 2128.116132] [] kernel_init+0x16/0x181 [ 2128.132435] [] ret_from_fork+0x1f/0x40 [ 2128.149819] [] ? rest_init+0x8f/0x8f [ 2128.166779] ================================================================================ [ 2128.192159] ================================================================================ [ 2128.219547] UBSAN: Undefined behaviour in fs/ext4/super.c:3958:21 [ 2128.239718] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2128.269665] which requires 64 byte alignment [ 2128.287259] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2128.308284] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2128.338684] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2128.363079] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2128.388822] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2128.417466] Call Trace: [ 2128.425440] [] dump_stack+0xd7/0x132 [ 2128.441304] [] ? arch_local_irq_restore+0x1b/0x1b [ 2128.459922] [] ubsan_epilogue+0x12/0x53 [ 2128.478648] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2128.501257] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2128.523950] [] ext4_fill_super+0xa206/0xa2df [ 2128.541286] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2128.561718] [] ? vsnprintf+0x1a0/0xa32 [ 2128.583214] [] ? pointer+0x7a9/0x7a9 [ 2128.604931] [] ? set_bdev_super+0x15d/0x15d [ 2128.621491] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2128.642790] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2128.666615] [] ? scnprintf+0xf3/0xf3 [ 2128.684877] [] mount_bdev+0x3cf/0x602 [ 2128.709570] [] ? mount_bdev+0x3cf/0x602 [ 2128.731223] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2128.760102] [] ext4_mount+0x3c/0x3e [ 2128.778286] [] mount_fs+0xd0/0x2ca [ 2128.799069] [] vfs_kern_mount+0xa0/0x20a [ 2128.820049] [] do_mount+0x11fe/0x19df [ 2128.841714] [] ? kasan_kmalloc+0x94/0xa3 [ 2128.862207] [] ? copy_mount_string+0x3d/0x3d [ 2128.881633] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2128.910590] [] ? __check_object_size+0x1e1/0x2b8 [ 2128.929316] [] ? 0xffffffffb1c002b8 [ 2128.952556] [] ? copy_mount_options+0x23d/0x24d [ 2128.973343] [] SyS_mount+0xa3/0xda [ 2128.990257] [] mount_block_root+0x2fc/0x650 [ 2129.011866] [] ? init_rootfs+0x99/0x99 [ 2129.025741] [] ? security_file_ioctl+0xa5/0xb4 [ 2129.046344] [] ? SyS_mknod+0x2f/0x36 [ 2129.064599] [] mount_root+0x45/0x48 [ 2129.080846] [] prepare_namespace+0x1cf/0x235 [ 2129.101542] [] kernel_init_freeable+0x4fa/0x518 [ 2129.120611] [] kernel_init+0x16/0x181 [ 2129.139468] [] ret_from_fork+0x1f/0x40 [ 2129.162412] [] ? rest_init+0x8f/0x8f [ 2129.180855] ================================================================================ [ 2129.209594] ================================================================================ [ 2129.238357] UBSAN: Undefined behaviour in fs/ext4/super.c:3960:5 [ 2129.258715] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2129.290686] which requires 64 byte alignment [ 2129.304881] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2129.326862] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2129.356880] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2129.380329] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2129.405508] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2129.427536] Call Trace: [ 2129.436724] [] dump_stack+0xd7/0x132 [ 2129.450609] [] ? arch_local_irq_restore+0x1b/0x1b [ 2129.470290] [] ubsan_epilogue+0x12/0x53 [ 2129.486128] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2129.507179] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2129.528206] [] ? put_io_context+0x10c/0x117 [ 2129.547095] [] ext4_fill_super+0xa22e/0xa2df [ 2129.563882] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2129.585071] [] ? vsnprintf+0x1a0/0xa32 [ 2129.600013] [] ? pointer+0x7a9/0x7a9 [ 2129.616937] [] ? set_bdev_super+0x15d/0x15d [ 2129.636597] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2129.659514] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2129.684776] [] ? scnprintf+0xf3/0xf3 [ 2129.699900] [] mount_bdev+0x3cf/0x602 [ 2129.718863] [] ? mount_bdev+0x3cf/0x602 [ 2129.737661] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2129.754660] [] ext4_mount+0x3c/0x3e [ 2129.770247] [] mount_fs+0xd0/0x2ca [ 2129.787634] [] vfs_kern_mount+0xa0/0x20a [ 2129.805473] [] do_mount+0x11fe/0x19df [ 2129.820440] [] ? kasan_kmalloc+0x94/0xa3 [ 2129.837788] [] ? copy_mount_string+0x3d/0x3d [ 2129.855589] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2129.875295] [] ? __check_object_size+0x1e1/0x2b8 [ 2129.896165] [] ? 0xffffffffb1c002b8 [ 2129.911302] [] ? copy_mount_options+0x23d/0x24d [ 2129.930892] [] SyS_mount+0xa3/0xda [ 2129.947834] [] mount_block_root+0x2fc/0x650 [ 2129.969392] [] ? init_rootfs+0x99/0x99 [ 2129.988352] [] ? security_file_ioctl+0xa5/0xb4 [ 2130.011552] [] ? SyS_mknod+0x2f/0x36 [ 2130.031053] [] mount_root+0x45/0x48 [ 2130.048618] [] prepare_namespace+0x1cf/0x235 [ 2130.072131] [] kernel_init_freeable+0x4fa/0x518 [ 2130.095548] [] kernel_init+0x16/0x181 [ 2130.112473] [] ret_from_fork+0x1f/0x40 [ 2130.131895] [] ? rest_init+0x8f/0x8f [ 2130.149576] ================================================================================ [ 2130.196107] ================================================================================ [ 2130.223444] UBSAN: Undefined behaviour in fs/ext4/super.c:3963:18 [ 2130.244184] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2130.272546] which requires 64 byte alignment [ 2130.287373] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2130.305940] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2130.338452] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2130.364332] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2130.389706] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2130.419133] Call Trace: [ 2130.428616] [] dump_stack+0xd7/0x132 [ 2130.449550] [] ? arch_local_irq_restore+0x1b/0x1b [ 2130.471297] [] ubsan_epilogue+0x12/0x53 [ 2130.492927] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2130.521945] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2130.553935] [] ? put_io_context+0x10c/0x117 [ 2130.572275] [] ext4_fill_super+0x72f5/0xa2df [ 2130.593376] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2130.615217] [] ? vsnprintf+0x1a0/0xa32 [ 2130.633894] [] ? pointer+0x7a9/0x7a9 [ 2130.650182] [] ? set_bdev_super+0x15d/0x15d [ 2130.671093] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2130.692412] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2130.713578] [] ? scnprintf+0xf3/0xf3 [ 2130.731118] [] mount_bdev+0x3cf/0x602 [ 2130.747266] [] ? mount_bdev+0x3cf/0x602 [ 2130.765266] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2130.788129] [] ext4_mount+0x3c/0x3e [ 2130.803808] [] mount_fs+0xd0/0x2ca [ 2130.820106] [] vfs_kern_mount+0xa0/0x20a [ 2130.837990] [] do_mount+0x11fe/0x19df [ 2130.853482] [] ? kasan_kmalloc+0x94/0xa3 [ 2130.870819] [] ? copy_mount_string+0x3d/0x3d [ 2130.890628] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2130.910609] [] ? __check_object_size+0x1e1/0x2b8 [ 2130.928248] [] ? 0xffffffffb1c002b8 [ 2130.947996] [] ? copy_mount_options+0x23d/0x24d [ 2130.967424] [] SyS_mount+0xa3/0xda [ 2130.981263] [] mount_block_root+0x2fc/0x650 [ 2130.999402] [] ? init_rootfs+0x99/0x99 [ 2131.018720] [] ? security_file_ioctl+0xa5/0xb4 [ 2131.038706] [] ? SyS_mknod+0x2f/0x36 [ 2131.058386] [] mount_root+0x45/0x48 [ 2131.076584] [] prepare_namespace+0x1cf/0x235 [ 2131.093711] [] kernel_init_freeable+0x4fa/0x518 [ 2131.111175] [] kernel_init+0x16/0x181 [ 2131.129329] [] ret_from_fork+0x1f/0x40 [ 2131.150967] [] ? rest_init+0x8f/0x8f [ 2131.170022] ================================================================================ [ 2131.197608] ================================================================================ [ 2131.225195] UBSAN: Undefined behaviour in fs/ext4/super.c:3964:10 [ 2131.244401] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2131.271858] which requires 64 byte alignment [ 2131.285854] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2131.302707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2131.335286] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2131.362199] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2131.390328] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2131.419225] Call Trace: [ 2131.427978] [] dump_stack+0xd7/0x132 [ 2131.448110] [] ? arch_local_irq_restore+0x1b/0x1b [ 2131.469856] [] ubsan_epilogue+0x12/0x53 [ 2131.491645] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2131.518158] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2131.541953] [] ? put_io_context+0x10c/0x117 [ 2131.562554] [] ext4_fill_super+0x7322/0xa2df [ 2131.586325] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2131.608085] [] ? vsnprintf+0x1a0/0xa32 [ 2131.622167] [] ? pointer+0x7a9/0x7a9 [ 2131.640491] [] ? set_bdev_super+0x15d/0x15d [ 2131.657615] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2131.678550] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2131.698414] [] ? scnprintf+0xf3/0xf3 [ 2131.713345] [] mount_bdev+0x3cf/0x602 [ 2131.729127] [] ? mount_bdev+0x3cf/0x602 [ 2131.747209] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2131.768090] [] ext4_mount+0x3c/0x3e [ 2131.786541] [] mount_fs+0xd0/0x2ca [ 2131.800801] [] vfs_kern_mount+0xa0/0x20a [ 2131.818175] [] do_mount+0x11fe/0x19df [ 2131.839151] [] ? kasan_kmalloc+0x94/0xa3 [ 2131.857922] [] ? copy_mount_string+0x3d/0x3d [ 2131.877329] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2131.898022] [] ? __check_object_size+0x1e1/0x2b8 [ 2131.920841] [] ? 0xffffffffb1c002b8 [ 2131.941345] [] ? copy_mount_options+0x23d/0x24d [ 2131.964024] [] SyS_mount+0xa3/0xda [ 2131.981350] [] mount_block_root+0x2fc/0x650 [ 2132.002760] [] ? init_rootfs+0x99/0x99 [ 2132.021030] [] ? security_file_ioctl+0xa5/0xb4 [ 2132.042795] [] ? SyS_mknod+0x2f/0x36 [ 2132.061337] [] mount_root+0x45/0x48 [ 2132.079505] [] prepare_namespace+0x1cf/0x235 [ 2132.098882] [] kernel_init_freeable+0x4fa/0x518 [ 2132.117133] [] kernel_init+0x16/0x181 [ 2132.133559] [] ret_from_fork+0x1f/0x40 [ 2132.149416] [] ? rest_init+0x8f/0x8f [ 2132.168283] ================================================================================ [ 2132.193746] ================================================================================ [ 2132.220197] UBSAN: Undefined behaviour in fs/ext4/super.c:3969:7 [ 2132.235858] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2132.266046] which requires 64 byte alignment [ 2132.278087] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2132.296633] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2132.325532] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2132.350535] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2132.373736] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2132.397665] Call Trace: [ 2132.406592] [] dump_stack+0xd7/0x132 [ 2132.426616] [] ? arch_local_irq_restore+0x1b/0x1b [ 2132.448146] [] ubsan_epilogue+0x12/0x53 [ 2132.473153] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2132.506613] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2132.533255] [] ? put_io_context+0x10c/0x117 [ 2132.557173] [] ext4_fill_super+0x7357/0xa2df [ 2132.580616] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2132.603902] [] ? vsnprintf+0x1a0/0xa32 [ 2132.619931] [] ? pointer+0x7a9/0x7a9 [ 2132.636379] [] ? set_bdev_super+0x15d/0x15d [ 2132.654007] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2132.676296] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2132.699327] [] ? scnprintf+0xf3/0xf3 [ 2132.715804] [] mount_bdev+0x3cf/0x602 [ 2132.731258] [] ? mount_bdev+0x3cf/0x602 [ 2132.746795] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2132.768027] [] ext4_mount+0x3c/0x3e [ 2132.785296] [] mount_fs+0xd0/0x2ca [ 2132.801969] [] vfs_kern_mount+0xa0/0x20a [ 2132.824473] [] do_mount+0x11fe/0x19df [ 2132.845512] [] ? kasan_kmalloc+0x94/0xa3 [ 2132.865884] [] ? copy_mount_string+0x3d/0x3d [ 2132.889764] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2132.911478] [] ? __check_object_size+0x1e1/0x2b8 [ 2132.933337] [] ? 0xffffffffb1c002b8 [ 2132.954743] [] ? copy_mount_options+0x23d/0x24d [ 2132.978744] [] SyS_mount+0xa3/0xda [ 2132.998319] [] mount_block_root+0x2fc/0x650 [ 2133.018584] [] ? init_rootfs+0x99/0x99 [ 2133.038330] [] ? security_file_ioctl+0xa5/0xb4 [ 2133.062207] [] ? SyS_mknod+0x2f/0x36 [ 2133.081468] [] mount_root+0x45/0x48 [ 2133.098402] [] prepare_namespace+0x1cf/0x235 [ 2133.121802] [] kernel_init_freeable+0x4fa/0x518 [ 2133.144828] [] kernel_init+0x16/0x181 [ 2133.166017] [] ret_from_fork+0x1f/0x40 [ 2133.182025] [] ? rest_init+0x8f/0x8f [ 2133.199688] ================================================================================ [ 2133.224740] ================================================================================ [ 2133.250777] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2133.270280] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2133.302361] which requires 64 byte alignment [ 2133.318448] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2133.339541] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2133.373269] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2133.398750] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2133.426232] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2133.452873] Call Trace: [ 2133.462939] [] dump_stack+0xd7/0x132 [ 2133.481879] [] ? arch_local_irq_restore+0x1b/0x1b [ 2133.506584] [] ubsan_epilogue+0x12/0x53 [ 2133.526554] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2133.548403] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2133.578051] [] ? put_io_context+0x10c/0x117 [ 2133.595077] [] ext4_fill_super+0x73b1/0xa2df [ 2133.613649] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2133.636779] [] ? vsnprintf+0x1a0/0xa32 [ 2133.654057] [] ? pointer+0x7a9/0x7a9 [ 2133.670655] [] ? set_bdev_super+0x15d/0x15d [ 2133.691728] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2133.718197] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2133.744674] [] ? scnprintf+0xf3/0xf3 [ 2133.762762] [] mount_bdev+0x3cf/0x602 [ 2133.785627] [] ? mount_bdev+0x3cf/0x602 [ 2133.801194] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2133.825581] [] ext4_mount+0x3c/0x3e [ 2133.842559] [] mount_fs+0xd0/0x2ca [ 2133.861109] [] vfs_kern_mount+0xa0/0x20a [ 2133.878586] [] do_mount+0x11fe/0x19df [ 2133.898715] [] ? kasan_kmalloc+0x94/0xa3 [ 2133.915721] [] ? copy_mount_string+0x3d/0x3d [ 2133.932179] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2133.951131] [] ? __check_object_size+0x1e1/0x2b8 [ 2133.970068] [] ? 0xffffffffb1c002b8 [ 2133.987062] [] ? copy_mount_options+0x23d/0x24d [ 2134.005106] [] SyS_mount+0xa3/0xda [ 2134.018336] [] mount_block_root+0x2fc/0x650 [ 2134.035602] [] ? init_rootfs+0x99/0x99 [ 2134.051779] [] ? security_file_ioctl+0xa5/0xb4 [ 2134.070775] [] ? SyS_mknod+0x2f/0x36 [ 2134.086261] [] mount_root+0x45/0x48 [ 2134.099706] [] prepare_namespace+0x1cf/0x235 [ 2134.116776] [] kernel_init_freeable+0x4fa/0x518 [ 2134.135163] [] kernel_init+0x16/0x181 [ 2134.149435] [] ret_from_fork+0x1f/0x40 [ 2134.169008] [] ? rest_init+0x8f/0x8f [ 2134.185385] ================================================================================ [ 2134.211999] ================================================================================ [ 2134.237534] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1789:1 [ 2134.257874] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2134.285081] which requires 64 byte alignment [ 2134.299589] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2134.320814] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2134.358695] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2134.386343] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2134.413517] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2134.440013] Call Trace: [ 2134.448736] [] dump_stack+0xd7/0x132 [ 2134.467456] [] ? arch_local_irq_restore+0x1b/0x1b [ 2134.491520] [] ubsan_epilogue+0x12/0x53 [ 2134.511558] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2134.536596] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2134.580021] [] ? put_io_context+0x10c/0x117 [ 2134.600226] [] ext4_fill_super+0x73de/0xa2df [ 2134.621766] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2134.644768] [] ? vsnprintf+0x1a0/0xa32 [ 2134.664589] [] ? pointer+0x7a9/0x7a9 [ 2134.692654] [] ? set_bdev_super+0x15d/0x15d [ 2134.711990] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2134.741440] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2134.769741] [] ? scnprintf+0xf3/0xf3 [ 2134.787656] [] mount_bdev+0x3cf/0x602 [ 2134.813592] [] ? mount_bdev+0x3cf/0x602 [ 2134.838544] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2134.881274] [] ext4_mount+0x3c/0x3e [ 2134.911376] [] mount_fs+0xd0/0x2ca [ 2134.941723] [] vfs_kern_mount+0xa0/0x20a [ 2134.966610] [] do_mount+0x11fe/0x19df [ 2134.993952] [] ? kasan_kmalloc+0x94/0xa3 [ 2135.015800] [] ? copy_mount_string+0x3d/0x3d [ 2135.042195] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2135.066611] [] ? __check_object_size+0x1e1/0x2b8 [ 2135.092296] [] ? 0xffffffffb1c002b8 [ 2135.113192] [] ? copy_mount_options+0x23d/0x24d [ 2135.138713] [] SyS_mount+0xa3/0xda [ 2135.158478] [] mount_block_root+0x2fc/0x650 [ 2135.176593] [] ? init_rootfs+0x99/0x99 [ 2135.195022] [] ? security_file_ioctl+0xa5/0xb4 [ 2135.218383] [] ? SyS_mknod+0x2f/0x36 [ 2135.233253] [] mount_root+0x45/0x48 [ 2135.251909] [] prepare_namespace+0x1cf/0x235 [ 2135.272016] [] kernel_init_freeable+0x4fa/0x518 [ 2135.296470] [] kernel_init+0x16/0x181 [ 2135.316471] [] ret_from_fork+0x1f/0x40 [ 2135.338050] [] ? rest_init+0x8f/0x8f [ 2135.357124] ================================================================================ [ 2135.388682] ================================================================================ [ 2135.417370] UBSAN: Undefined behaviour in fs/ext4/super.c:3976:6 [ 2135.438890] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2135.469813] which requires 64 byte alignment [ 2135.485709] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2135.510529] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2135.541756] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2135.566333] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2135.592972] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2135.617548] Call Trace: [ 2135.627539] [] dump_stack+0xd7/0x132 [ 2135.647954] [] ? arch_local_irq_restore+0x1b/0x1b [ 2135.668035] [] ubsan_epilogue+0x12/0x53 [ 2135.685732] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2135.708225] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2135.729738] [] ? put_io_context+0x10c/0x117 [ 2135.749973] [] ext4_fill_super+0x7452/0xa2df [ 2135.769904] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2135.791156] [] ? vsnprintf+0x1a0/0xa32 [ 2135.809830] [] ? pointer+0x7a9/0x7a9 [ 2135.829297] [] ? set_bdev_super+0x15d/0x15d [ 2135.847996] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2135.868534] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2135.892015] [] ? scnprintf+0xf3/0xf3 [ 2135.908844] [] mount_bdev+0x3cf/0x602 [ 2135.928339] [] ? mount_bdev+0x3cf/0x602 [ 2135.946533] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2135.966692] [] ext4_mount+0x3c/0x3e [ 2135.986059] [] mount_fs+0xd0/0x2ca [ 2136.001252] [] vfs_kern_mount+0xa0/0x20a [ 2136.025923] [] do_mount+0x11fe/0x19df [ 2136.044669] [] ? kasan_kmalloc+0x94/0xa3 [ 2136.067570] [] ? copy_mount_string+0x3d/0x3d [ 2136.088183] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2136.108586] [] ? __check_object_size+0x1e1/0x2b8 [ 2136.127996] [] ? 0xffffffffb1c002b8 [ 2136.144439] [] ? copy_mount_options+0x23d/0x24d [ 2136.178240] [] SyS_mount+0xa3/0xda [ 2136.197022] [] mount_block_root+0x2fc/0x650 [ 2136.216428] [] ? init_rootfs+0x99/0x99 [ 2136.233345] [] ? security_file_ioctl+0xa5/0xb4 [ 2136.260472] [] ? SyS_mknod+0x2f/0x36 [ 2136.291206] [] mount_root+0x45/0x48 [ 2136.310548] [] prepare_namespace+0x1cf/0x235 [ 2136.329135] [] kernel_init_freeable+0x4fa/0x518 [ 2136.358417] [] kernel_init+0x16/0x181 [ 2136.377834] [] ret_from_fork+0x1f/0x40 [ 2136.406739] [] ? rest_init+0x8f/0x8f [ 2136.425533] ================================================================================ [ 2136.454823] ================================================================================ [ 2136.541265] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2136.559531] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2136.588239] which requires 64 byte alignment [ 2136.600555] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2136.620327] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2136.649418] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2136.676240] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2136.714881] ffffffff00000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2136.754724] Call Trace: [ 2136.763488] [] dump_stack+0xd7/0x132 [ 2136.779475] [] ? arch_local_irq_restore+0x1b/0x1b [ 2136.804724] [] ubsan_epilogue+0x12/0x53 [ 2136.827177] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2136.852056] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2136.878239] [] ? ubsan_epilogue+0x26/0x53 [ 2136.900058] [] ? arch_local_irq_restore+0x6/0xd [ 2136.921699] [] ext4_calculate_overhead+0x38/0xa97 [ 2136.959268] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2136.984118] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2137.016043] [] ? put_io_context+0x10c/0x117 [ 2137.036417] [] ext4_fill_super+0x7635/0xa2df [ 2137.061496] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2137.091642] [] ? vsnprintf+0x1a0/0xa32 [ 2137.120596] [] ? pointer+0x7a9/0x7a9 [ 2137.147163] [] ? set_bdev_super+0x15d/0x15d [ 2137.169299] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2137.199359] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2137.237200] [] ? scnprintf+0xf3/0xf3 [ 2137.268997] [] mount_bdev+0x3cf/0x602 [ 2137.298432] [] ? mount_bdev+0x3cf/0x602 [ 2137.326006] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2137.352639] [] ext4_mount+0x3c/0x3e [ 2137.379074] [] mount_fs+0xd0/0x2ca [ 2137.404769] [] vfs_kern_mount+0xa0/0x20a [ 2137.437183] [] do_mount+0x11fe/0x19df [ 2137.467233] [] ? kasan_kmalloc+0x94/0xa3 [ 2137.490369] [] ? copy_mount_string+0x3d/0x3d [ 2137.515602] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2137.539933] [] ? __check_object_size+0x1e1/0x2b8 [ 2137.564929] [] ? 0xffffffffb1c002b8 [ 2137.589324] [] ? copy_mount_options+0x23d/0x24d [ 2137.612262] [] SyS_mount+0xa3/0xda [ 2137.631479] [] mount_block_root+0x2fc/0x650 [ 2137.649243] [] ? init_rootfs+0x99/0x99 [ 2137.668433] [] ? security_file_ioctl+0xa5/0xb4 [ 2137.690692] [] ? SyS_mknod+0x2f/0x36 [ 2137.709279] [] mount_root+0x45/0x48 [ 2137.725807] [] prepare_namespace+0x1cf/0x235 [ 2137.745498] [] kernel_init_freeable+0x4fa/0x518 [ 2137.766078] [] kernel_init+0x16/0x181 [ 2137.782132] [] ret_from_fork+0x1f/0x40 [ 2137.802111] [] ? rest_init+0x8f/0x8f [ 2137.818784] ================================================================================ [ 2137.852099] ================================================================================ [ 2137.882407] UBSAN: Undefined behaviour in fs/ext4/super.c:3206:27 [ 2137.909051] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2137.941253] which requires 64 byte alignment [ 2137.958949] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2137.976336] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2138.003014] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2138.024293] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2138.048758] ffffffff00000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2138.074399] Call Trace: [ 2138.083168] [] dump_stack+0xd7/0x132 [ 2138.098713] [] ? arch_local_irq_restore+0x1b/0x1b [ 2138.118436] [] ubsan_epilogue+0x12/0x53 [ 2138.136905] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2138.159299] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2138.182201] [] ? ubsan_epilogue+0x26/0x53 [ 2138.197719] [] ? arch_local_irq_restore+0x6/0xd [ 2138.216639] [] ext4_calculate_overhead+0x6b/0xa97 [ 2138.237783] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2138.260260] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2138.286011] [] ? put_io_context+0x10c/0x117 [ 2138.306145] [] ext4_fill_super+0x7635/0xa2df [ 2138.327874] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2138.346659] [] ? vsnprintf+0x1a0/0xa32 [ 2138.363471] [] ? pointer+0x7a9/0x7a9 [ 2138.381012] [] ? set_bdev_super+0x15d/0x15d [ 2138.401846] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2138.426506] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2138.447926] [] ? scnprintf+0xf3/0xf3 [ 2138.462643] [] mount_bdev+0x3cf/0x602 [ 2138.480265] [] ? mount_bdev+0x3cf/0x602 [ 2138.495812] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2138.516308] [] ext4_mount+0x3c/0x3e [ 2138.531298] [] mount_fs+0xd0/0x2ca [ 2138.548273] [] vfs_kern_mount+0xa0/0x20a [ 2138.566831] [] do_mount+0x11fe/0x19df [ 2138.584223] [] ? kasan_kmalloc+0x94/0xa3 [ 2138.603460] [] ? copy_mount_string+0x3d/0x3d [ 2138.622323] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2138.640974] [] ? __check_object_size+0x1e1/0x2b8 [ 2138.661031] [] ? 0xffffffffb1c002b8 [ 2138.679464] [] ? copy_mount_options+0x23d/0x24d [ 2138.699489] [] SyS_mount+0xa3/0xda [ 2138.717501] [] mount_block_root+0x2fc/0x650 [ 2138.738544] [] ? init_rootfs+0x99/0x99 [ 2138.758741] [] ? security_file_ioctl+0xa5/0xb4 [ 2138.779158] [] ? SyS_mknod+0x2f/0x36 [ 2138.797490] [] mount_root+0x45/0x48 [ 2138.817995] [] prepare_namespace+0x1cf/0x235 [ 2138.838589] [] kernel_init_freeable+0x4fa/0x518 [ 2138.862656] [] kernel_init+0x16/0x181 [ 2138.882255] [] ret_from_fork+0x1f/0x40 [ 2138.901387] [] ? rest_init+0x8f/0x8f [ 2138.919202] ================================================================================ [ 2138.951429] ================================================================================ [ 2139.006575] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2139.026396] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2139.055525] which requires 64 byte alignment [ 2139.067338] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2139.087075] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2139.114843] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2139.138536] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2139.161882] ffffffff00000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2139.186472] Call Trace: [ 2139.192276] [] dump_stack+0xd7/0x132 [ 2139.209007] [] ? arch_local_irq_restore+0x1b/0x1b [ 2139.226800] [] ubsan_epilogue+0x12/0x53 [ 2139.245230] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2139.266118] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2139.286327] [] ? ubsan_epilogue+0x26/0x53 [ 2139.303624] [] ? arch_local_irq_restore+0x6/0xd [ 2139.321780] [] ext4_calculate_overhead+0x92/0xa97 [ 2139.342249] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2139.365452] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2139.388483] [] ? put_io_context+0x10c/0x117 [ 2139.407909] [] ext4_fill_super+0x7635/0xa2df [ 2139.424649] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2139.444063] [] ? vsnprintf+0x1a0/0xa32 [ 2139.460066] [] ? pointer+0x7a9/0x7a9 [ 2139.477268] [] ? set_bdev_super+0x15d/0x15d [ 2139.494684] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2139.516887] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2139.537359] [] ? scnprintf+0xf3/0xf3 [ 2139.555127] [] mount_bdev+0x3cf/0x602 [ 2139.573548] [] ? mount_bdev+0x3cf/0x602 [ 2139.589860] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2139.610139] [] ext4_mount+0x3c/0x3e [ 2139.625655] [] mount_fs+0xd0/0x2ca [ 2139.640551] [] vfs_kern_mount+0xa0/0x20a [ 2139.657476] [] do_mount+0x11fe/0x19df [ 2139.675305] [] ? kasan_kmalloc+0x94/0xa3 [ 2139.693311] [] ? copy_mount_string+0x3d/0x3d [ 2139.712138] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2139.732051] [] ? __check_object_size+0x1e1/0x2b8 [ 2139.749219] [] ? 0xffffffffb1c002b8 [ 2139.766642] [] ? copy_mount_options+0x23d/0x24d [ 2139.785243] [] SyS_mount+0xa3/0xda [ 2139.797985] [] mount_block_root+0x2fc/0x650 [ 2139.816025] [] ? init_rootfs+0x99/0x99 [ 2139.830076] [] ? security_file_ioctl+0xa5/0xb4 [ 2139.849339] [] ? SyS_mknod+0x2f/0x36 [ 2139.866704] [] mount_root+0x45/0x48 [ 2139.886094] [] prepare_namespace+0x1cf/0x235 [ 2139.905353] [] kernel_init_freeable+0x4fa/0x518 [ 2139.923867] [] kernel_init+0x16/0x181 [ 2139.940811] [] ret_from_fork+0x1f/0x40 [ 2139.958423] [] ? rest_init+0x8f/0x8f [ 2139.975659] ================================================================================ [ 2139.999827] ================================================================================ [ 2140.027085] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2827:15 [ 2140.045126] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2140.071085] which requires 64 byte alignment [ 2140.085048] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2140.103128] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2140.132415] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2140.156714] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2140.180525] ffffffff00000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2140.203622] Call Trace: [ 2140.210712] [] dump_stack+0xd7/0x132 [ 2140.226871] [] ? arch_local_irq_restore+0x1b/0x1b [ 2140.246979] [] ubsan_epilogue+0x12/0x53 [ 2140.263506] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2140.287257] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2140.309991] [] ? ubsan_epilogue+0x26/0x53 [ 2140.326743] [] ? arch_local_irq_restore+0x6/0xd [ 2140.344844] [] ext4_calculate_overhead+0xab/0xa97 [ 2140.364896] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2140.385327] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2140.409516] [] ? put_io_context+0x10c/0x117 [ 2140.426695] [] ext4_fill_super+0x7635/0xa2df [ 2140.443851] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2140.466619] [] ? vsnprintf+0x1a0/0xa32 [ 2140.483385] [] ? pointer+0x7a9/0x7a9 [ 2140.500303] [] ? set_bdev_super+0x15d/0x15d [ 2140.517015] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2140.540629] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2140.564661] [] ? scnprintf+0xf3/0xf3 [ 2140.581294] [] mount_bdev+0x3cf/0x602 [ 2140.597502] [] ? mount_bdev+0x3cf/0x602 [ 2140.616134] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2140.636947] [] ext4_mount+0x3c/0x3e [ 2140.650270] [] mount_fs+0xd0/0x2ca [ 2140.664941] [] vfs_kern_mount+0xa0/0x20a [ 2140.682000] [] do_mount+0x11fe/0x19df [ 2140.695838] [] ? kasan_kmalloc+0x94/0xa3 [ 2140.712779] [] ? copy_mount_string+0x3d/0x3d [ 2140.732993] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2140.749461] [] ? __check_object_size+0x1e1/0x2b8 [ 2140.768513] [] ? 0xffffffffb1c002b8 [ 2140.785948] [] ? copy_mount_options+0x23d/0x24d [ 2140.801999] [] SyS_mount+0xa3/0xda [ 2140.821308] [] mount_block_root+0x2fc/0x650 [ 2140.841278] [] ? init_rootfs+0x99/0x99 [ 2140.861216] [] ? security_file_ioctl+0xa5/0xb4 [ 2140.884117] [] ? SyS_mknod+0x2f/0x36 [ 2140.900652] [] mount_root+0x45/0x48 [ 2140.916802] [] prepare_namespace+0x1cf/0x235 [ 2140.933969] [] kernel_init_freeable+0x4fa/0x518 [ 2140.956247] [] kernel_init+0x16/0x181 [ 2140.969822] [] ret_from_fork+0x1f/0x40 [ 2140.989444] [] ? rest_init+0x8f/0x8f [ 2141.006031] ================================================================================ [ 2141.035914] ================================================================================ [ 2141.063151] UBSAN: Undefined behaviour in fs/ext4/super.c:3223:13 [ 2141.084628] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2141.111895] which requires 64 byte alignment [ 2141.125770] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2141.143553] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2141.171547] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2141.196014] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2141.215875] 0000000000000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2141.236069] Call Trace: [ 2141.242848] [] dump_stack+0xd7/0x132 [ 2141.262059] [] ? arch_local_irq_restore+0x1b/0x1b [ 2141.288615] [] ubsan_epilogue+0x12/0x53 [ 2141.306170] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2141.327887] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2141.351962] [] ? alloc_pages_current+0x10d/0x11c [ 2141.374496] [] ext4_calculate_overhead+0x121/0xa97 [ 2141.394832] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2141.416466] [] ? put_io_context+0x10c/0x117 [ 2141.433883] [] ext4_fill_super+0x7635/0xa2df [ 2141.452040] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2141.470913] [] ? vsnprintf+0x1a0/0xa32 [ 2141.486629] [] ? pointer+0x7a9/0x7a9 [ 2141.500502] [] ? set_bdev_super+0x15d/0x15d [ 2141.516657] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2141.536271] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2141.557946] [] ? scnprintf+0xf3/0xf3 [ 2141.576829] [] mount_bdev+0x3cf/0x602 [ 2141.591223] [] ? mount_bdev+0x3cf/0x602 [ 2141.608256] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2141.627191] [] ext4_mount+0x3c/0x3e [ 2141.643162] [] mount_fs+0xd0/0x2ca [ 2141.661976] [] vfs_kern_mount+0xa0/0x20a [ 2141.678297] [] do_mount+0x11fe/0x19df [ 2141.696493] [] ? kasan_kmalloc+0x94/0xa3 [ 2141.714151] [] ? copy_mount_string+0x3d/0x3d [ 2141.735124] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2141.753758] [] ? __check_object_size+0x1e1/0x2b8 [ 2141.774652] [] ? 0xffffffffb1c002b8 [ 2141.789996] [] ? copy_mount_options+0x23d/0x24d [ 2141.808684] [] SyS_mount+0xa3/0xda [ 2141.825825] [] mount_block_root+0x2fc/0x650 [ 2141.840949] [] ? init_rootfs+0x99/0x99 [ 2141.859882] [] ? security_file_ioctl+0xa5/0xb4 [ 2141.879210] [] ? SyS_mknod+0x2f/0x36 [ 2141.896098] [] mount_root+0x45/0x48 [ 2141.910598] [] prepare_namespace+0x1cf/0x235 [ 2141.928110] [] kernel_init_freeable+0x4fa/0x518 [ 2141.946323] [] kernel_init+0x16/0x181 [ 2141.961450] [] ret_from_fork+0x1f/0x40 [ 2141.989803] [] ? rest_init+0x8f/0x8f [ 2142.007563] ================================================================================ [ 2142.032369] ================================================================================ [ 2142.057457] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2142.074477] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2142.099782] which requires 64 byte alignment [ 2142.112721] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2142.129743] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2142.160292] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2142.181503] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2142.204621] ffffffff00000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2142.229108] Call Trace: [ 2142.236627] [] dump_stack+0xd7/0x132 [ 2142.251633] [] ? arch_local_irq_restore+0x1b/0x1b [ 2142.270982] [] ubsan_epilogue+0x12/0x53 [ 2142.287127] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2142.309426] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2142.331209] [] ? alloc_pages_current+0x10d/0x11c [ 2142.350139] [] ext4_calculate_overhead+0x1b3/0xa97 [ 2142.370773] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2142.394867] [] ext4_fill_super+0x7635/0xa2df [ 2142.412350] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2142.433852] [] ? vsnprintf+0x1a0/0xa32 [ 2142.449998] [] ? pointer+0x7a9/0x7a9 [ 2142.469201] [] ? set_bdev_super+0x15d/0x15d [ 2142.487576] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2142.510306] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2142.533973] [] ? scnprintf+0xf3/0xf3 [ 2142.552065] [] mount_bdev+0x3cf/0x602 [ 2142.568538] [] ? mount_bdev+0x3cf/0x602 [ 2142.589148] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2142.609292] [] ext4_mount+0x3c/0x3e [ 2142.622688] [] mount_fs+0xd0/0x2ca [ 2142.640009] [] vfs_kern_mount+0xa0/0x20a [ 2142.658756] [] do_mount+0x11fe/0x19df [ 2142.677199] [] ? kasan_kmalloc+0x94/0xa3 [ 2142.694749] [] ? copy_mount_string+0x3d/0x3d [ 2142.713252] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2142.731718] [] ? __check_object_size+0x1e1/0x2b8 [ 2142.753721] [] ? 0xffffffffb1c002b8 [ 2142.768650] [] ? copy_mount_options+0x23d/0x24d [ 2142.788242] [] SyS_mount+0xa3/0xda [ 2142.801432] [] mount_block_root+0x2fc/0x650 [ 2142.819147] [] ? init_rootfs+0x99/0x99 [ 2142.836278] [] ? security_file_ioctl+0xa5/0xb4 [ 2142.854659] [] ? SyS_mknod+0x2f/0x36 [ 2142.870493] [] mount_root+0x45/0x48 [ 2142.886941] [] prepare_namespace+0x1cf/0x235 [ 2142.906570] [] kernel_init_freeable+0x4fa/0x518 [ 2142.924930] [] kernel_init+0x16/0x181 [ 2142.941647] [] ret_from_fork+0x1f/0x40 [ 2142.959134] [] ? rest_init+0x8f/0x8f [ 2142.972413] ================================================================================ [ 2142.999948] ================================================================================ [ 2143.025630] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2143.041662] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2143.069271] which requires 64 byte alignment [ 2143.085688] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2143.103939] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2143.133741] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2143.157445] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2143.182483] ffffffff00000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2143.208322] Call Trace: [ 2143.216477] [] dump_stack+0xd7/0x132 [ 2143.237846] [] ? arch_local_irq_restore+0x1b/0x1b [ 2143.256856] [] ubsan_epilogue+0x12/0x53 [ 2143.272955] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2143.292183] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2143.314168] [] ? alloc_pages_current+0x10d/0x11c [ 2143.332980] [] ext4_calculate_overhead+0x1de/0xa97 [ 2143.349328] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2143.372490] [] ext4_fill_super+0x7635/0xa2df [ 2143.391766] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2143.414767] [] ? vsnprintf+0x1a0/0xa32 [ 2143.430353] [] ? pointer+0x7a9/0x7a9 [ 2143.446841] [] ? set_bdev_super+0x15d/0x15d [ 2143.466749] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2143.494051] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2143.516802] [] ? scnprintf+0xf3/0xf3 [ 2143.533119] [] mount_bdev+0x3cf/0x602 [ 2143.550847] [] ? mount_bdev+0x3cf/0x602 [ 2143.565503] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2143.586982] [] ext4_mount+0x3c/0x3e [ 2143.601191] [] mount_fs+0xd0/0x2ca [ 2143.615363] [] vfs_kern_mount+0xa0/0x20a [ 2143.635884] [] do_mount+0x11fe/0x19df [ 2143.653489] [] ? kasan_kmalloc+0x94/0xa3 [ 2143.669249] [] ? copy_mount_string+0x3d/0x3d [ 2143.687540] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2143.707361] [] ? __check_object_size+0x1e1/0x2b8 [ 2143.726496] [] ? 0xffffffffb1c002b8 [ 2143.742361] [] ? copy_mount_options+0x23d/0x24d [ 2143.761174] [] SyS_mount+0xa3/0xda [ 2143.776216] [] mount_block_root+0x2fc/0x650 [ 2143.796823] [] ? init_rootfs+0x99/0x99 [ 2143.813017] [] ? security_file_ioctl+0xa5/0xb4 [ 2143.830429] [] ? SyS_mknod+0x2f/0x36 [ 2143.847695] [] mount_root+0x45/0x48 [ 2143.863725] [] prepare_namespace+0x1cf/0x235 [ 2143.882051] [] kernel_init_freeable+0x4fa/0x518 [ 2143.903543] [] kernel_init+0x16/0x181 [ 2143.919388] [] ret_from_fork+0x1f/0x40 [ 2143.935491] [] ? rest_init+0x8f/0x8f [ 2143.950801] ================================================================================ [ 2143.976716] ================================================================================ [ 2144.002165] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2827:15 [ 2144.019522] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2144.047705] which requires 64 byte alignment [ 2144.062805] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2144.081630] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2144.111367] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2144.135141] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2144.160063] ffffffff00000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2144.184136] Call Trace: [ 2144.192132] [] dump_stack+0xd7/0x132 [ 2144.207729] [] ? arch_local_irq_restore+0x1b/0x1b [ 2144.226547] [] ubsan_epilogue+0x12/0x53 [ 2144.243934] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2144.266360] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2144.289715] [] ? alloc_pages_current+0x10d/0x11c [ 2144.309748] [] ext4_calculate_overhead+0x1f8/0xa97 [ 2144.330430] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2144.351879] [] ext4_fill_super+0x7635/0xa2df [ 2144.369650] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2144.392065] [] ? vsnprintf+0x1a0/0xa32 [ 2144.410760] [] ? pointer+0x7a9/0x7a9 [ 2144.428369] [] ? set_bdev_super+0x15d/0x15d [ 2144.446461] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2144.469700] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2144.495179] [] ? scnprintf+0xf3/0xf3 [ 2144.512469] [] mount_bdev+0x3cf/0x602 [ 2144.528464] [] ? mount_bdev+0x3cf/0x602 [ 2144.545731] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2144.567945] [] ext4_mount+0x3c/0x3e [ 2144.586443] [] mount_fs+0xd0/0x2ca [ 2144.602400] [] vfs_kern_mount+0xa0/0x20a [ 2144.618543] [] do_mount+0x11fe/0x19df [ 2144.636452] [] ? kasan_kmalloc+0x94/0xa3 [ 2144.655255] [] ? copy_mount_string+0x3d/0x3d [ 2144.671023] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2144.692282] [] ? __check_object_size+0x1e1/0x2b8 [ 2144.710802] [] ? 0xffffffffb1c002b8 [ 2144.726926] [] ? copy_mount_options+0x23d/0x24d [ 2144.748177] [] SyS_mount+0xa3/0xda [ 2144.763852] [] mount_block_root+0x2fc/0x650 [ 2144.783913] [] ? init_rootfs+0x99/0x99 [ 2144.800409] [] ? security_file_ioctl+0xa5/0xb4 [ 2144.817874] [] ? SyS_mknod+0x2f/0x36 [ 2144.834951] [] mount_root+0x45/0x48 [ 2144.852830] [] prepare_namespace+0x1cf/0x235 [ 2144.870287] [] kernel_init_freeable+0x4fa/0x518 [ 2144.889738] [] kernel_init+0x16/0x181 [ 2144.907193] [] ret_from_fork+0x1f/0x40 [ 2144.921875] [] ? rest_init+0x8f/0x8f [ 2144.938578] ================================================================================ [ 2144.963937] ================================================================================ [ 2144.990032] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2145.008384] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2145.036770] which requires 64 byte alignment [ 2145.048666] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2145.067665] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2145.097894] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2145.122664] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2145.146599] ffffffff00000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2145.169129] Call Trace: [ 2145.177126] [] dump_stack+0xd7/0x132 [ 2145.193425] [] ? arch_local_irq_restore+0x1b/0x1b [ 2145.213134] [] ubsan_epilogue+0x12/0x53 [ 2145.229690] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2145.251061] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2145.276083] [] ? alloc_pages_current+0x10d/0x11c [ 2145.296918] [] ext4_calculate_overhead+0x228/0xa97 [ 2145.316123] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2145.339126] [] ext4_fill_super+0x7635/0xa2df [ 2145.358536] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2145.379542] [] ? vsnprintf+0x1a0/0xa32 [ 2145.394546] [] ? pointer+0x7a9/0x7a9 [ 2145.411072] [] ? set_bdev_super+0x15d/0x15d [ 2145.428423] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2145.451024] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2145.475561] [] ? scnprintf+0xf3/0xf3 [ 2145.490685] [] mount_bdev+0x3cf/0x602 [ 2145.508285] [] ? mount_bdev+0x3cf/0x602 [ 2145.526930] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2145.547392] [] ext4_mount+0x3c/0x3e [ 2145.562155] [] mount_fs+0xd0/0x2ca [ 2145.577451] [] vfs_kern_mount+0xa0/0x20a [ 2145.595347] [] do_mount+0x11fe/0x19df [ 2145.611373] [] ? kasan_kmalloc+0x94/0xa3 [ 2145.629224] [] ? copy_mount_string+0x3d/0x3d [ 2145.647274] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2145.665115] [] ? __check_object_size+0x1e1/0x2b8 [ 2145.682076] [] ? 0xffffffffb1c002b8 [ 2145.698270] [] ? copy_mount_options+0x23d/0x24d [ 2145.717131] [] SyS_mount+0xa3/0xda [ 2145.730797] [] mount_block_root+0x2fc/0x650 [ 2145.752909] [] ? init_rootfs+0x99/0x99 [ 2145.769629] [] ? security_file_ioctl+0xa5/0xb4 [ 2145.788942] [] ? SyS_mknod+0x2f/0x36 [ 2145.805748] [] mount_root+0x45/0x48 [ 2145.820475] [] prepare_namespace+0x1cf/0x235 [ 2145.839793] [] kernel_init_freeable+0x4fa/0x518 [ 2145.858551] [] kernel_init+0x16/0x181 [ 2145.875030] [] ret_from_fork+0x1f/0x40 [ 2145.889756] [] ? rest_init+0x8f/0x8f [ 2145.907258] ================================================================================ [ 2145.931199] ================================================================================ [ 2145.957651] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1770:1 [ 2145.977337] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2146.006109] which requires 64 byte alignment [ 2146.018130] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2146.036202] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2146.066761] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2146.089680] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2146.114712] ffffffff00000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2146.136972] Call Trace: [ 2146.144323] [] dump_stack+0xd7/0x132 [ 2146.160020] [] ? arch_local_irq_restore+0x1b/0x1b [ 2146.182034] [] ubsan_epilogue+0x12/0x53 [ 2146.199229] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2146.221179] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2146.245686] [] ? alloc_pages_current+0x10d/0x11c [ 2146.269102] [] ext4_calculate_overhead+0x249/0xa97 [ 2146.295378] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2146.320018] [] ext4_fill_super+0x7635/0xa2df [ 2146.337261] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2146.357111] [] ? vsnprintf+0x1a0/0xa32 [ 2146.375339] [] ? pointer+0x7a9/0x7a9 [ 2146.393694] [] ? set_bdev_super+0x15d/0x15d [ 2146.410035] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2146.431853] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2146.455446] [] ? scnprintf+0xf3/0xf3 [ 2146.469920] [] mount_bdev+0x3cf/0x602 [ 2146.487445] [] ? mount_bdev+0x3cf/0x602 [ 2146.504529] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2146.526127] [] ext4_mount+0x3c/0x3e [ 2146.540992] [] mount_fs+0xd0/0x2ca [ 2146.557599] [] vfs_kern_mount+0xa0/0x20a [ 2146.573218] [] do_mount+0x11fe/0x19df [ 2146.590485] [] ? kasan_kmalloc+0x94/0xa3 [ 2146.608923] [] ? copy_mount_string+0x3d/0x3d [ 2146.628762] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2146.648361] [] ? __check_object_size+0x1e1/0x2b8 [ 2146.668572] [] ? 0xffffffffb1c002b8 [ 2146.682567] [] ? copy_mount_options+0x23d/0x24d [ 2146.701309] [] SyS_mount+0xa3/0xda [ 2146.719349] [] mount_block_root+0x2fc/0x650 [ 2146.742698] [] ? init_rootfs+0x99/0x99 [ 2146.769563] [] ? security_file_ioctl+0xa5/0xb4 [ 2146.794875] [] ? SyS_mknod+0x2f/0x36 [ 2146.809601] [] mount_root+0x45/0x48 [ 2146.829288] [] prepare_namespace+0x1cf/0x235 [ 2146.851768] [] kernel_init_freeable+0x4fa/0x518 [ 2146.873441] [] kernel_init+0x16/0x181 [ 2146.891770] [] ret_from_fork+0x1f/0x40 [ 2146.909326] [] ? rest_init+0x8f/0x8f [ 2146.926248] ================================================================================ [ 2146.956130] ================================================================================ [ 2146.983312] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2147.003094] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2147.030841] which requires 64 byte alignment [ 2147.042287] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2147.061509] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2147.090950] 00000000ffffffff 00000000b1a89c60 ffff88005c9df698 ffffffffb26ec5cc [ 2147.115505] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2147.141625] 0000000000000010 ffff88005c9df6c0 ffff88005c9df670 ffffffffb363c3e0 [ 2147.166958] Call Trace: [ 2147.174904] [] dump_stack+0xd7/0x132 [ 2147.190065] [] ? arch_local_irq_restore+0x1b/0x1b [ 2147.212608] [] ubsan_epilogue+0x12/0x53 [ 2147.231468] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2147.252414] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2147.279703] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2147.300858] [] ext4_bg_has_super+0x35/0x230 [ 2147.320149] [] ext4_calculate_overhead+0x290/0xa97 [ 2147.339084] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2147.362605] [] ext4_fill_super+0x7635/0xa2df [ 2147.382142] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2147.405132] [] ? vsnprintf+0x1a0/0xa32 [ 2147.420514] [] ? pointer+0x7a9/0x7a9 [ 2147.436905] [] ? set_bdev_super+0x15d/0x15d [ 2147.456014] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2147.477629] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2147.501297] [] ? scnprintf+0xf3/0xf3 [ 2147.518376] [] mount_bdev+0x3cf/0x602 [ 2147.539246] [] ? mount_bdev+0x3cf/0x602 [ 2147.561586] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2147.586643] [] ext4_mount+0x3c/0x3e [ 2147.605532] [] mount_fs+0xd0/0x2ca [ 2147.623446] [] vfs_kern_mount+0xa0/0x20a [ 2147.647216] [] do_mount+0x11fe/0x19df [ 2147.666248] [] ? kasan_kmalloc+0x94/0xa3 [ 2147.687032] [] ? copy_mount_string+0x3d/0x3d [ 2147.708177] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2147.731617] [] ? __check_object_size+0x1e1/0x2b8 [ 2147.755168] [] ? 0xffffffffb1c002b8 [ 2147.772393] [] ? copy_mount_options+0x23d/0x24d [ 2147.794461] [] SyS_mount+0xa3/0xda [ 2147.810277] [] mount_block_root+0x2fc/0x650 [ 2147.828441] [] ? init_rootfs+0x99/0x99 [ 2147.842857] [] ? security_file_ioctl+0xa5/0xb4 [ 2147.861820] [] ? SyS_mknod+0x2f/0x36 [ 2147.880009] [] mount_root+0x45/0x48 [ 2147.896804] [] prepare_namespace+0x1cf/0x235 [ 2147.917211] [] kernel_init_freeable+0x4fa/0x518 [ 2147.937190] [] kernel_init+0x16/0x181 [ 2147.955958] [] ret_from_fork+0x1f/0x40 [ 2147.973420] [] ? rest_init+0x8f/0x8f [ 2147.991434] ================================================================================ [ 2148.017465] ================================================================================ [ 2148.043918] UBSAN: Undefined behaviour in fs/ext4/balloc.c:754:27 [ 2148.064881] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2148.093098] which requires 64 byte alignment [ 2148.105647] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2148.122850] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2148.150905] 00000000ffffffff 00000000b1a89c60 ffff88005c9df698 ffffffffb26ec5cc [ 2148.175127] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2148.205045] ffffffff00000010 ffff88005c9df6c0 ffff88005c9df670 ffffffffb363c3e0 [ 2148.236445] Call Trace: [ 2148.242512] [] dump_stack+0xd7/0x132 [ 2148.266098] [] ? arch_local_irq_restore+0x1b/0x1b [ 2148.288563] [] ubsan_epilogue+0x12/0x53 [ 2148.311507] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2148.339103] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2148.370218] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2148.405623] [] ext4_bg_has_super+0x62/0x230 [ 2148.434886] [] ext4_calculate_overhead+0x290/0xa97 [ 2148.466708] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2148.506358] [] ext4_fill_super+0x7635/0xa2df [ 2148.535232] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2148.567917] [] ? vsnprintf+0x1a0/0xa32 [ 2148.601111] [] ? pointer+0x7a9/0x7a9 [ 2148.625243] [] ? set_bdev_super+0x15d/0x15d [ 2148.654807] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2148.687714] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2148.722375] [] ? scnprintf+0xf3/0xf3 [ 2148.747463] [] mount_bdev+0x3cf/0x602 [ 2148.766687] [] ? mount_bdev+0x3cf/0x602 [ 2148.788887] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2148.814937] [] ext4_mount+0x3c/0x3e [ 2148.834137] [] mount_fs+0xd0/0x2ca [ 2148.849311] [] vfs_kern_mount+0xa0/0x20a [ 2148.867208] [] do_mount+0x11fe/0x19df [ 2148.885184] [] ? kasan_kmalloc+0x94/0xa3 [ 2148.900792] [] ? copy_mount_string+0x3d/0x3d [ 2148.917302] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2148.935044] [] ? __check_object_size+0x1e1/0x2b8 [ 2148.954832] [] ? 0xffffffffb1c002b8 [ 2148.972725] [] ? copy_mount_options+0x23d/0x24d [ 2148.990618] [] SyS_mount+0xa3/0xda [ 2149.006676] [] mount_block_root+0x2fc/0x650 [ 2149.027668] [] ? init_rootfs+0x99/0x99 [ 2149.042726] [] ? security_file_ioctl+0xa5/0xb4 [ 2149.061419] [] ? SyS_mknod+0x2f/0x36 [ 2149.078787] [] mount_root+0x45/0x48 [ 2149.095832] [] prepare_namespace+0x1cf/0x235 [ 2149.114621] [] kernel_init_freeable+0x4fa/0x518 [ 2149.134642] [] kernel_init+0x16/0x181 [ 2149.151513] [] ret_from_fork+0x1f/0x40 [ 2149.166666] [] ? rest_init+0x8f/0x8f [ 2149.182007] ================================================================================ [ 2149.208279] ================================================================================ [ 2149.233218] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2149.249181] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2149.279199] which requires 64 byte alignment [ 2149.291306] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2149.308245] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2149.338308] 00000000ffffffff 00000000b1a89c60 ffff88005c9df680 ffffffffb26ec5cc [ 2149.365705] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2149.390842] 0000000000000010 ffff88005c9df6a8 ffff88005c9df658 ffffffffb363c3e0 [ 2149.417176] Call Trace: [ 2149.426314] [] dump_stack+0xd7/0x132 [ 2149.444024] [] ? arch_local_irq_restore+0x1b/0x1b [ 2149.467907] [] ubsan_epilogue+0x12/0x53 [ 2149.490345] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2149.517256] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2149.540520] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2149.568102] [] ext4_bg_num_gdb+0x3a/0x429 [ 2149.587582] [] ext4_calculate_overhead+0x29e/0xa97 [ 2149.607893] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2149.635320] [] ext4_fill_super+0x7635/0xa2df [ 2149.655158] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2149.678977] [] ? vsnprintf+0x1a0/0xa32 [ 2149.695715] [] ? pointer+0x7a9/0x7a9 [ 2149.711108] [] ? set_bdev_super+0x15d/0x15d [ 2149.730498] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2149.753704] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2149.779309] [] ? scnprintf+0xf3/0xf3 [ 2149.795808] [] mount_bdev+0x3cf/0x602 [ 2149.810902] [] ? mount_bdev+0x3cf/0x602 [ 2149.828367] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2149.847704] [] ext4_mount+0x3c/0x3e [ 2149.864568] [] mount_fs+0xd0/0x2ca [ 2149.881749] [] vfs_kern_mount+0xa0/0x20a [ 2149.900975] [] do_mount+0x11fe/0x19df [ 2149.918722] [] ? kasan_kmalloc+0x94/0xa3 [ 2149.935655] [] ? copy_mount_string+0x3d/0x3d [ 2149.952771] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2149.974514] [] ? __check_object_size+0x1e1/0x2b8 [ 2149.997555] [] ? 0xffffffffb1c002b8 [ 2150.014723] [] ? copy_mount_options+0x23d/0x24d [ 2150.034850] [] SyS_mount+0xa3/0xda [ 2150.050658] [] mount_block_root+0x2fc/0x650 [ 2150.067055] [] ? init_rootfs+0x99/0x99 [ 2150.085453] [] ? security_file_ioctl+0xa5/0xb4 [ 2150.105440] [] ? SyS_mknod+0x2f/0x36 [ 2150.120079] [] mount_root+0x45/0x48 [ 2150.138873] [] prepare_namespace+0x1cf/0x235 [ 2150.158144] [] kernel_init_freeable+0x4fa/0x518 [ 2150.180407] [] kernel_init+0x16/0x181 [ 2150.197127] [] ret_from_fork+0x1f/0x40 [ 2150.214891] [] ? rest_init+0x8f/0x8f [ 2150.229377] ================================================================================ [ 2150.257034] ================================================================================ [ 2150.281724] UBSAN: Undefined behaviour in fs/ext4/balloc.c:811:4 [ 2150.299296] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2150.325843] which requires 64 byte alignment [ 2150.339466] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2150.358915] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2150.388564] 00000000ffffffff 00000000b1a89c60 ffff88005c9df680 ffffffffb26ec5cc [ 2150.414060] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2150.436440] ffff880000000010 ffff88005c9df6a8 ffff88005c9df658 ffffffffb363c3e0 [ 2150.458756] Call Trace: [ 2150.465723] [] dump_stack+0xd7/0x132 [ 2150.484007] [] ? arch_local_irq_restore+0x1b/0x1b [ 2150.501946] [] ubsan_epilogue+0x12/0x53 [ 2150.517680] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2150.539870] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2150.562122] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2150.587266] [] ext4_bg_num_gdb+0x6a/0x429 [ 2150.604085] [] ext4_calculate_overhead+0x29e/0xa97 [ 2150.621886] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2150.643550] [] ext4_fill_super+0x7635/0xa2df [ 2150.661705] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2150.681563] [] ? vsnprintf+0x1a0/0xa32 [ 2150.697679] [] ? pointer+0x7a9/0x7a9 [ 2150.716619] [] ? set_bdev_super+0x15d/0x15d [ 2150.734800] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2150.756429] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2150.779981] [] ? scnprintf+0xf3/0xf3 [ 2150.798690] [] mount_bdev+0x3cf/0x602 [ 2150.814373] [] ? mount_bdev+0x3cf/0x602 [ 2150.833497] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2150.854717] [] ext4_mount+0x3c/0x3e [ 2150.871717] [] mount_fs+0xd0/0x2ca [ 2150.889461] [] vfs_kern_mount+0xa0/0x20a [ 2150.911248] [] do_mount+0x11fe/0x19df [ 2150.928865] [] ? kasan_kmalloc+0x94/0xa3 [ 2150.949341] [] ? copy_mount_string+0x3d/0x3d [ 2150.976031] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2151.007776] [] ? __check_object_size+0x1e1/0x2b8 [ 2151.035068] [] ? 0xffffffffb1c002b8 [ 2151.057138] [] ? copy_mount_options+0x23d/0x24d [ 2151.084708] [] SyS_mount+0xa3/0xda [ 2151.106450] [] mount_block_root+0x2fc/0x650 [ 2151.132657] [] ? init_rootfs+0x99/0x99 [ 2151.156418] [] ? security_file_ioctl+0xa5/0xb4 [ 2151.183974] [] ? SyS_mknod+0x2f/0x36 [ 2151.206119] [] mount_root+0x45/0x48 [ 2151.229758] [] prepare_namespace+0x1cf/0x235 [ 2151.255494] [] kernel_init_freeable+0x4fa/0x518 [ 2151.279775] [] kernel_init+0x16/0x181 [ 2151.298133] [] ret_from_fork+0x1f/0x40 [ 2151.317288] [] ? rest_init+0x8f/0x8f [ 2151.334326] ================================================================================ [ 2151.367125] ================================================================================ [ 2151.394680] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2151.416266] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2151.446978] which requires 64 byte alignment [ 2151.459735] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2151.478749] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2151.508882] 00000000ffffffff 00000000b1a89c60 ffff88005c9df680 ffffffffb26ec5cc [ 2151.535086] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2151.559176] ffff880000000010 ffff88005c9df6a8 ffff88005c9df658 ffffffffb363c3e0 [ 2151.582653] Call Trace: [ 2151.590555] [] dump_stack+0xd7/0x132 [ 2151.605600] [] ? arch_local_irq_restore+0x1b/0x1b [ 2151.625175] [] ubsan_epilogue+0x12/0x53 [ 2151.640493] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2151.663983] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2151.685983] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2151.708703] [] ext4_bg_num_gdb+0xc3/0x429 [ 2151.727753] [] ext4_calculate_overhead+0x29e/0xa97 [ 2151.744725] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2151.767283] [] ext4_fill_super+0x7635/0xa2df [ 2151.786479] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2151.806112] [] ? vsnprintf+0x1a0/0xa32 [ 2151.821430] [] ? pointer+0x7a9/0x7a9 [ 2151.836581] [] ? set_bdev_super+0x15d/0x15d [ 2151.855980] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2151.878377] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2151.903110] [] ? scnprintf+0xf3/0xf3 [ 2151.919604] [] mount_bdev+0x3cf/0x602 [ 2151.936880] [] ? mount_bdev+0x3cf/0x602 [ 2151.953324] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2151.972476] [] ext4_mount+0x3c/0x3e [ 2151.988506] [] mount_fs+0xd0/0x2ca [ 2152.007853] [] vfs_kern_mount+0xa0/0x20a [ 2152.024697] [] do_mount+0x11fe/0x19df [ 2152.040927] [] ? kasan_kmalloc+0x94/0xa3 [ 2152.060216] [] ? copy_mount_string+0x3d/0x3d [ 2152.081279] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2152.103707] [] ? __check_object_size+0x1e1/0x2b8 [ 2152.123705] [] ? 0xffffffffb1c002b8 [ 2152.139948] [] ? copy_mount_options+0x23d/0x24d [ 2152.161235] [] SyS_mount+0xa3/0xda [ 2152.180792] [] mount_block_root+0x2fc/0x650 [ 2152.205013] [] ? init_rootfs+0x99/0x99 [ 2152.220035] [] ? security_file_ioctl+0xa5/0xb4 [ 2152.238212] [] ? SyS_mknod+0x2f/0x36 [ 2152.254420] [] mount_root+0x45/0x48 [ 2152.269424] [] prepare_namespace+0x1cf/0x235 [ 2152.287957] [] kernel_init_freeable+0x4fa/0x518 [ 2152.305941] [] kernel_init+0x16/0x181 [ 2152.319165] [] ret_from_fork+0x1f/0x40 [ 2152.334620] [] ? rest_init+0x8f/0x8f [ 2152.348892] ================================================================================ [ 2152.375849] ================================================================================ [ 2152.400113] UBSAN: Undefined behaviour in fs/ext4/balloc.c:812:36 [ 2152.416072] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2152.440742] which requires 64 byte alignment [ 2152.454055] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2152.469546] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2152.500121] 00000000ffffffff 00000000b1a89c60 ffff88005c9df680 ffffffffb26ec5cc [ 2152.520484] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2152.545119] ffff880000000010 ffff88005c9df6a8 ffff88005c9df658 ffffffffb363c3e0 [ 2152.568660] Call Trace: [ 2152.577886] [] dump_stack+0xd7/0x132 [ 2152.591450] [] ? arch_local_irq_restore+0x1b/0x1b [ 2152.609080] [] ubsan_epilogue+0x12/0x53 [ 2152.626789] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2152.646937] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2152.669227] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2152.690248] [] ext4_bg_num_gdb+0xdd/0x429 [ 2152.705822] [] ext4_calculate_overhead+0x29e/0xa97 [ 2152.724825] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2152.746776] [] ext4_fill_super+0x7635/0xa2df [ 2152.762996] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2152.783266] [] ? vsnprintf+0x1a0/0xa32 [ 2152.801094] [] ? pointer+0x7a9/0x7a9 [ 2152.816278] [] ? set_bdev_super+0x15d/0x15d [ 2152.834031] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2152.855997] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2152.875635] [] ? scnprintf+0xf3/0xf3 [ 2152.891792] [] mount_bdev+0x3cf/0x602 [ 2152.908595] [] ? mount_bdev+0x3cf/0x602 [ 2152.923749] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2152.947081] [] ext4_mount+0x3c/0x3e [ 2152.962448] [] mount_fs+0xd0/0x2ca [ 2152.977736] [] vfs_kern_mount+0xa0/0x20a [ 2152.999043] [] do_mount+0x11fe/0x19df [ 2153.012813] [] ? kasan_kmalloc+0x94/0xa3 [ 2153.030438] [] ? copy_mount_string+0x3d/0x3d [ 2153.052500] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2153.075970] [] ? __check_object_size+0x1e1/0x2b8 [ 2153.108128] [] ? 0xffffffffb1c002b8 [ 2153.125079] [] ? copy_mount_options+0x23d/0x24d [ 2153.151591] [] SyS_mount+0xa3/0xda [ 2153.167255] [] mount_block_root+0x2fc/0x650 [ 2153.188960] [] ? init_rootfs+0x99/0x99 [ 2153.208002] [] ? security_file_ioctl+0xa5/0xb4 [ 2153.229789] [] ? SyS_mknod+0x2f/0x36 [ 2153.248057] [] mount_root+0x45/0x48 [ 2153.266702] [] prepare_namespace+0x1cf/0x235 [ 2153.285837] [] kernel_init_freeable+0x4fa/0x518 [ 2153.305747] [] kernel_init+0x16/0x181 [ 2153.323383] [] ret_from_fork+0x1f/0x40 [ 2153.337777] [] ? rest_init+0x8f/0x8f [ 2153.357234] ================================================================================ [ 2153.384615] ================================================================================ [ 2153.409354] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2153.426645] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2153.454851] which requires 64 byte alignment [ 2153.467841] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2153.487688] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2153.522090] 00000000ffffffff 00000000b1a89c60 ffff88005c9df680 ffffffffb26ec5cc [ 2153.548821] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2153.580804] ffff880000000010 ffff88005c9df6a8 ffff88005c9df658 ffffffffb363c3e0 [ 2153.614865] Call Trace: [ 2153.621773] [] dump_stack+0xd7/0x132 [ 2153.639172] [] ? arch_local_irq_restore+0x1b/0x1b [ 2153.659624] [] ubsan_epilogue+0x12/0x53 [ 2153.677917] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2153.701704] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2153.726392] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2153.752476] [] ext4_bg_num_gdb+0x131/0x429 [ 2153.770009] [] ext4_calculate_overhead+0x29e/0xa97 [ 2153.794373] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2153.816770] [] ext4_fill_super+0x7635/0xa2df [ 2153.834916] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2153.856421] [] ? vsnprintf+0x1a0/0xa32 [ 2153.873908] [] ? pointer+0x7a9/0x7a9 [ 2153.892020] [] ? set_bdev_super+0x15d/0x15d [ 2153.910388] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2153.933198] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2153.958906] [] ? scnprintf+0xf3/0xf3 [ 2153.977462] [] mount_bdev+0x3cf/0x602 [ 2154.000632] [] ? mount_bdev+0x3cf/0x602 [ 2154.025573] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2154.050578] [] ext4_mount+0x3c/0x3e [ 2154.068442] [] mount_fs+0xd0/0x2ca [ 2154.089704] [] vfs_kern_mount+0xa0/0x20a [ 2154.112709] [] do_mount+0x11fe/0x19df [ 2154.134194] [] ? kasan_kmalloc+0x94/0xa3 [ 2154.160313] [] ? copy_mount_string+0x3d/0x3d [ 2154.187867] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2154.216374] [] ? __check_object_size+0x1e1/0x2b8 [ 2154.242626] [] ? 0xffffffffb1c002b8 [ 2154.264438] [] ? copy_mount_options+0x23d/0x24d [ 2154.287436] [] SyS_mount+0xa3/0xda [ 2154.311269] [] mount_block_root+0x2fc/0x650 [ 2154.336019] [] ? init_rootfs+0x99/0x99 [ 2154.357946] [] ? security_file_ioctl+0xa5/0xb4 [ 2154.386452] [] ? SyS_mknod+0x2f/0x36 [ 2154.402563] [] mount_root+0x45/0x48 [ 2154.426105] [] prepare_namespace+0x1cf/0x235 [ 2154.447211] [] kernel_init_freeable+0x4fa/0x518 [ 2154.466158] [] kernel_init+0x16/0x181 [ 2154.484176] [] ret_from_fork+0x1f/0x40 [ 2154.501432] [] ? rest_init+0x8f/0x8f [ 2154.520536] ================================================================================ [ 2154.547546] ================================================================================ [ 2154.599242] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1779:1 [ 2154.672834] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2154.707219] which requires 64 byte alignment [ 2154.720800] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2154.739214] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2154.770802] 00000000ffffffff 00000000b1a89c60 ffff88005c9df680 ffffffffb26ec5cc [ 2154.795625] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2154.820006] ffff880000000010 ffff88005c9df6a8 ffff88005c9df658 ffffffffb363c3e0 [ 2154.843471] Call Trace: [ 2154.851100] [] dump_stack+0xd7/0x132 [ 2154.866302] [] ? arch_local_irq_restore+0x1b/0x1b [ 2154.884866] [] ubsan_epilogue+0x12/0x53 [ 2154.901973] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2154.924426] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2154.947764] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2154.968067] [] ext4_bg_num_gdb+0x15a/0x429 [ 2154.988435] [] ext4_calculate_overhead+0x29e/0xa97 [ 2155.010351] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2155.033512] [] ext4_fill_super+0x7635/0xa2df [ 2155.053188] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2155.073051] [] ? vsnprintf+0x1a0/0xa32 [ 2155.090778] [] ? pointer+0x7a9/0x7a9 [ 2155.106741] [] ? set_bdev_super+0x15d/0x15d [ 2155.125459] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2155.146530] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2155.169214] [] ? scnprintf+0xf3/0xf3 [ 2155.183405] [] mount_bdev+0x3cf/0x602 [ 2155.200976] [] ? mount_bdev+0x3cf/0x602 [ 2155.215912] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2155.235742] [] ext4_mount+0x3c/0x3e [ 2155.251760] [] mount_fs+0xd0/0x2ca [ 2155.267111] [] vfs_kern_mount+0xa0/0x20a [ 2155.286776] [] do_mount+0x11fe/0x19df [ 2155.302998] [] ? kasan_kmalloc+0x94/0xa3 [ 2155.317871] [] ? copy_mount_string+0x3d/0x3d [ 2155.336532] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2155.354554] [] ? __check_object_size+0x1e1/0x2b8 [ 2155.375000] [] ? 0xffffffffb1c002b8 [ 2155.392067] [] ? copy_mount_options+0x23d/0x24d [ 2155.410388] [] SyS_mount+0xa3/0xda [ 2155.425556] [] mount_block_root+0x2fc/0x650 [ 2155.440774] [] ? init_rootfs+0x99/0x99 [ 2155.457580] [] ? security_file_ioctl+0xa5/0xb4 [ 2155.477443] [] ? SyS_mknod+0x2f/0x36 [ 2155.493548] [] mount_root+0x45/0x48 [ 2155.506639] [] prepare_namespace+0x1cf/0x235 [ 2155.524606] [] kernel_init_freeable+0x4fa/0x518 [ 2155.543092] [] kernel_init+0x16/0x181 [ 2155.558480] [] ret_from_fork+0x1f/0x40 [ 2155.576017] [] ? rest_init+0x8f/0x8f [ 2155.594082] ================================================================================ [ 2155.621413] ================================================================================ [ 2155.648948] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2155.668675] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2155.697683] which requires 64 byte alignment [ 2155.710304] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2155.728061] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2155.755935] 00000000ffffffff 00000000b1a89c60 ffff88005c9df680 ffffffffb26ec5cc [ 2155.779740] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2155.803161] 0000000000000010 ffff88005c9df6a8 ffff88005c9df658 ffffffffb363c3e0 [ 2155.826734] Call Trace: [ 2155.833964] [] dump_stack+0xd7/0x132 [ 2155.850324] [] ? arch_local_irq_restore+0x1b/0x1b [ 2155.873604] [] ubsan_epilogue+0x12/0x53 [ 2155.889994] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2155.912384] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2155.932429] [] ext4_bg_num_gdb+0x1da/0x429 [ 2155.949286] [] ext4_calculate_overhead+0x29e/0xa97 [ 2155.968330] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2155.989836] [] ext4_fill_super+0x7635/0xa2df [ 2156.007963] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2156.026953] [] ? vsnprintf+0x1a0/0xa32 [ 2156.043417] [] ? pointer+0x7a9/0x7a9 [ 2156.063904] [] ? set_bdev_super+0x15d/0x15d [ 2156.083112] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2156.106705] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2156.132092] [] ? scnprintf+0xf3/0xf3 [ 2156.150169] [] mount_bdev+0x3cf/0x602 [ 2156.169760] [] ? mount_bdev+0x3cf/0x602 [ 2156.186997] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2156.210521] [] ext4_mount+0x3c/0x3e [ 2156.227999] [] mount_fs+0xd0/0x2ca [ 2156.247033] [] vfs_kern_mount+0xa0/0x20a [ 2156.271669] [] do_mount+0x11fe/0x19df [ 2156.291624] [] ? kasan_kmalloc+0x94/0xa3 [ 2156.312403] [] ? copy_mount_string+0x3d/0x3d [ 2156.331052] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2156.360170] [] ? __check_object_size+0x1e1/0x2b8 [ 2156.386070] [] ? 0xffffffffb1c002b8 [ 2156.406183] [] ? copy_mount_options+0x23d/0x24d [ 2156.430747] [] SyS_mount+0xa3/0xda [ 2156.452294] [] mount_block_root+0x2fc/0x650 [ 2156.474601] [] ? init_rootfs+0x99/0x99 [ 2156.495833] [] ? security_file_ioctl+0xa5/0xb4 [ 2156.521401] [] ? SyS_mknod+0x2f/0x36 [ 2156.542601] [] mount_root+0x45/0x48 [ 2156.558579] [] prepare_namespace+0x1cf/0x235 [ 2156.585633] [] kernel_init_freeable+0x4fa/0x518 [ 2156.609285] [] kernel_init+0x16/0x181 [ 2156.633012] [] ret_from_fork+0x1f/0x40 [ 2156.656405] [] ? rest_init+0x8f/0x8f [ 2156.677567] ================================================================================ [ 2156.715789] ================================================================================ [ 2156.757066] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1779:1 [ 2156.782332] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2156.823643] which requires 64 byte alignment [ 2156.841200] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2156.865140] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2156.907761] 00000000ffffffff 00000000b1a89c60 ffff88005c9df680 ffffffffb26ec5cc [ 2156.938204] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2156.975343] ffff880000000010 ffff88005c9df6a8 ffff88005c9df658 ffffffffb363c3e0 [ 2157.007449] Call Trace: [ 2157.018500] [] dump_stack+0xd7/0x132 [ 2157.036642] [] ? arch_local_irq_restore+0x1b/0x1b [ 2157.060617] [] ubsan_epilogue+0x12/0x53 [ 2157.085243] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2157.112762] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2157.139836] [] ext4_bg_num_gdb+0x203/0x429 [ 2157.161645] [] ext4_calculate_overhead+0x29e/0xa97 [ 2157.186284] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2157.210891] [] ext4_fill_super+0x7635/0xa2df [ 2157.230722] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2157.251807] [] ? vsnprintf+0x1a0/0xa32 [ 2157.270888] [] ? pointer+0x7a9/0x7a9 [ 2157.289984] [] ? set_bdev_super+0x15d/0x15d [ 2157.309215] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2157.332405] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2157.356003] [] ? scnprintf+0xf3/0xf3 [ 2157.379963] [] mount_bdev+0x3cf/0x602 [ 2157.489855] [] ? mount_bdev+0x3cf/0x602 [ 2157.516371] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2157.536784] [] ext4_mount+0x3c/0x3e [ 2157.552995] [] mount_fs+0xd0/0x2ca [ 2157.567233] [] vfs_kern_mount+0xa0/0x20a [ 2157.585726] [] do_mount+0x11fe/0x19df [ 2157.605014] [] ? kasan_kmalloc+0x94/0xa3 [ 2157.624470] [] ? copy_mount_string+0x3d/0x3d [ 2157.641672] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2157.661717] [] ? __check_object_size+0x1e1/0x2b8 [ 2157.681529] [] ? 0xffffffffb1c002b8 [ 2157.700667] [] ? copy_mount_options+0x23d/0x24d [ 2157.720843] [] SyS_mount+0xa3/0xda [ 2157.738628] [] mount_block_root+0x2fc/0x650 [ 2157.759298] [] ? init_rootfs+0x99/0x99 [ 2157.777699] [] ? security_file_ioctl+0xa5/0xb4 [ 2157.797145] [] ? SyS_mknod+0x2f/0x36 [ 2157.811484] [] mount_root+0x45/0x48 [ 2157.829981] [] prepare_namespace+0x1cf/0x235 [ 2157.848415] [] kernel_init_freeable+0x4fa/0x518 [ 2157.875039] [] kernel_init+0x16/0x181 [ 2157.891100] [] ret_from_fork+0x1f/0x40 [ 2157.908287] [] ? rest_init+0x8f/0x8f [ 2157.928330] ================================================================================ [ 2157.959317] ================================================================================ [ 2157.986618] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2158.008267] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2158.040214] which requires 64 byte alignment [ 2158.056052] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2158.080196] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2158.112584] 00000000ffffffff 00000000b1a89c60 ffff88005c9df680 ffffffffb26ec5cc [ 2158.138135] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2158.167168] ffff880000000010 ffff88005c9df6a8 ffff88005c9df658 ffffffffb363c3e0 [ 2158.191902] Call Trace: [ 2158.202545] [] dump_stack+0xd7/0x132 [ 2158.219754] [] ? arch_local_irq_restore+0x1b/0x1b [ 2158.240470] [] ubsan_epilogue+0x12/0x53 [ 2158.257178] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2158.279925] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2158.302809] [] ext4_bg_num_gdb+0x2c4/0x429 [ 2158.319637] [] ext4_calculate_overhead+0x29e/0xa97 [ 2158.338002] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2158.361659] [] ext4_fill_super+0x7635/0xa2df [ 2158.380188] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2158.402055] [] ? vsnprintf+0x1a0/0xa32 [ 2158.418990] [] ? pointer+0x7a9/0x7a9 [ 2158.435773] [] ? set_bdev_super+0x15d/0x15d [ 2158.455636] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2158.477370] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2158.499485] [] ? scnprintf+0xf3/0xf3 [ 2158.515911] [] mount_bdev+0x3cf/0x602 [ 2158.530704] [] ? mount_bdev+0x3cf/0x602 [ 2158.548811] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2158.569021] [] ext4_mount+0x3c/0x3e [ 2158.583903] [] mount_fs+0xd0/0x2ca [ 2158.603520] [] vfs_kern_mount+0xa0/0x20a [ 2158.622035] [] do_mount+0x11fe/0x19df [ 2158.639505] [] ? kasan_kmalloc+0x94/0xa3 [ 2158.657230] [] ? copy_mount_string+0x3d/0x3d [ 2158.675542] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2158.696004] [] ? __check_object_size+0x1e1/0x2b8 [ 2158.715670] [] ? 0xffffffffb1c002b8 [ 2158.731661] [] ? copy_mount_options+0x23d/0x24d [ 2158.751531] [] SyS_mount+0xa3/0xda [ 2158.768516] [] mount_block_root+0x2fc/0x650 [ 2158.784679] [] ? init_rootfs+0x99/0x99 [ 2158.802968] [] ? security_file_ioctl+0xa5/0xb4 [ 2158.822935] [] ? SyS_mknod+0x2f/0x36 [ 2158.842364] [] mount_root+0x45/0x48 [ 2158.857548] [] prepare_namespace+0x1cf/0x235 [ 2158.878237] [] kernel_init_freeable+0x4fa/0x518 [ 2158.902329] [] kernel_init+0x16/0x181 [ 2158.919577] [] ret_from_fork+0x1f/0x40 [ 2158.937494] [] ? rest_init+0x8f/0x8f [ 2158.953664] ================================================================================ [ 2158.982076] ================================================================================ [ 2159.019140] UBSAN: Undefined behaviour in fs/ext4/balloc.c:796:21 [ 2159.041777] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2159.076858] which requires 64 byte alignment [ 2159.090129] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2159.108474] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2159.142628] 00000000ffffffff 00000000b1a89c60 ffff88005c9df680 ffffffffb26ec5cc [ 2159.164344] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2159.192909] ffff880000000010 ffff88005c9df6a8 ffff88005c9df658 ffffffffb363c3e0 [ 2159.220536] Call Trace: [ 2159.229073] [] dump_stack+0xd7/0x132 [ 2159.248071] [] ? arch_local_irq_restore+0x1b/0x1b [ 2159.275853] [] ubsan_epilogue+0x12/0x53 [ 2159.312322] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2159.354432] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2159.403445] [] ext4_bg_num_gdb+0x2de/0x429 [ 2159.431505] [] ext4_calculate_overhead+0x29e/0xa97 [ 2159.460678] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2159.496442] [] ext4_fill_super+0x7635/0xa2df [ 2159.523681] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2159.547085] [] ? vsnprintf+0x1a0/0xa32 [ 2159.565427] [] ? pointer+0x7a9/0x7a9 [ 2159.585872] [] ? set_bdev_super+0x15d/0x15d [ 2159.605674] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2159.628022] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2159.651564] [] ? scnprintf+0xf3/0xf3 [ 2159.667972] [] mount_bdev+0x3cf/0x602 [ 2159.682412] [] ? mount_bdev+0x3cf/0x602 [ 2159.700771] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2159.723726] [] ext4_mount+0x3c/0x3e [ 2159.739028] [] mount_fs+0xd0/0x2ca [ 2159.756748] [] vfs_kern_mount+0xa0/0x20a [ 2159.775946] [] do_mount+0x11fe/0x19df [ 2159.791578] [] ? kasan_kmalloc+0x94/0xa3 [ 2159.808219] [] ? copy_mount_string+0x3d/0x3d [ 2159.827305] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2159.847034] [] ? __check_object_size+0x1e1/0x2b8 [ 2159.867421] [] ? 0xffffffffb1c002b8 [ 2159.884256] [] ? copy_mount_options+0x23d/0x24d [ 2159.903023] [] SyS_mount+0xa3/0xda [ 2159.919289] [] mount_block_root+0x2fc/0x650 [ 2159.937913] [] ? init_rootfs+0x99/0x99 [ 2159.956908] [] ? security_file_ioctl+0xa5/0xb4 [ 2159.976388] [] ? SyS_mknod+0x2f/0x36 [ 2159.993225] [] mount_root+0x45/0x48 [ 2160.007605] [] prepare_namespace+0x1cf/0x235 [ 2160.027665] [] kernel_init_freeable+0x4fa/0x518 [ 2160.050954] [] kernel_init+0x16/0x181 [ 2160.074822] [] ret_from_fork+0x1f/0x40 [ 2160.092008] [] ? rest_init+0x8f/0x8f [ 2160.108857] ================================================================================ [ 2160.140365] ================================================================================ [ 2160.169205] UBSAN: Undefined behaviour in fs/ext4/super.c:3158:7 [ 2160.193078] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2160.228308] which requires 64 byte alignment [ 2160.240796] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2160.259430] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2160.288047] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2160.309378] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2160.332132] 0000000000000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2160.355029] Call Trace: [ 2160.360900] [] dump_stack+0xd7/0x132 [ 2160.377536] [] ? arch_local_irq_restore+0x1b/0x1b [ 2160.398056] [] ubsan_epilogue+0x12/0x53 [ 2160.417947] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2160.437206] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2160.458938] [] ? ext4_bg_num_gdb+0x419/0x429 [ 2160.475924] [] ext4_calculate_overhead+0x2bb/0xa97 [ 2160.496149] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2160.520502] [] ext4_fill_super+0x7635/0xa2df [ 2160.537733] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2160.557510] [] ? vsnprintf+0x1a0/0xa32 [ 2160.573672] [] ? pointer+0x7a9/0x7a9 [ 2160.589159] [] ? set_bdev_super+0x15d/0x15d [ 2160.607143] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2160.628315] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2160.652877] [] ? scnprintf+0xf3/0xf3 [ 2160.667152] [] mount_bdev+0x3cf/0x602 [ 2160.680630] [] ? mount_bdev+0x3cf/0x602 [ 2160.693668] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2160.713232] [] ext4_mount+0x3c/0x3e [ 2160.728575] [] mount_fs+0xd0/0x2ca [ 2160.744583] [] vfs_kern_mount+0xa0/0x20a [ 2160.764337] [] do_mount+0x11fe/0x19df [ 2160.782647] [] ? kasan_kmalloc+0x94/0xa3 [ 2160.802682] [] ? copy_mount_string+0x3d/0x3d [ 2160.823156] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2160.843571] [] ? __check_object_size+0x1e1/0x2b8 [ 2160.863881] [] ? 0xffffffffb1c002b8 [ 2160.880890] [] ? copy_mount_options+0x23d/0x24d [ 2160.904675] [] SyS_mount+0xa3/0xda [ 2160.924312] [] mount_block_root+0x2fc/0x650 [ 2160.942112] [] ? init_rootfs+0x99/0x99 [ 2160.961263] [] ? security_file_ioctl+0xa5/0xb4 [ 2160.981689] [] ? SyS_mknod+0x2f/0x36 [ 2160.999865] [] mount_root+0x45/0x48 [ 2161.015397] [] prepare_namespace+0x1cf/0x235 [ 2161.037978] [] kernel_init_freeable+0x4fa/0x518 [ 2161.057694] [] kernel_init+0x16/0x181 [ 2161.074214] [] ret_from_fork+0x1f/0x40 [ 2161.090445] [] ? rest_init+0x8f/0x8f [ 2161.117665] ================================================================================ [ 2161.192741] ================================================================================ [ 2161.273484] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2161.315254] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2161.340217] which requires 64 byte alignment [ 2161.353020] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2161.374039] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2161.402134] 00000000ffffffff 00000000b1a89c60 ffff88005c9df698 ffffffffb26ec5cc [ 2161.428089] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2161.452665] 0000000000000010 ffff88005c9df6c0 ffff88005c9df670 ffffffffb363c3e0 [ 2161.476687] Call Trace: [ 2161.487406] [] dump_stack+0xd7/0x132 [ 2161.504767] [] ? arch_local_irq_restore+0x1b/0x1b [ 2161.524031] [] ubsan_epilogue+0x12/0x53 [ 2161.539471] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2161.559827] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2161.582404] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2161.604053] [] ext4_bg_has_super+0x9f/0x230 [ 2161.621574] [] ext4_calculate_overhead+0x290/0xa97 [ 2161.641572] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2161.663533] [] ext4_fill_super+0x7635/0xa2df [ 2161.680777] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2161.700797] [] ? vsnprintf+0x1a0/0xa32 [ 2161.718372] [] ? pointer+0x7a9/0x7a9 [ 2161.733762] [] ? set_bdev_super+0x15d/0x15d [ 2161.752171] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2161.774846] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2161.796097] [] ? scnprintf+0xf3/0xf3 [ 2161.808865] [] mount_bdev+0x3cf/0x602 [ 2161.824576] [] ? mount_bdev+0x3cf/0x602 [ 2161.841134] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2161.862141] [] ext4_mount+0x3c/0x3e [ 2161.878261] [] mount_fs+0xd0/0x2ca [ 2161.895623] [] vfs_kern_mount+0xa0/0x20a [ 2161.910402] [] do_mount+0x11fe/0x19df [ 2161.926454] [] ? kasan_kmalloc+0x94/0xa3 [ 2161.942475] [] ? copy_mount_string+0x3d/0x3d [ 2161.959695] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2161.978414] [] ? __check_object_size+0x1e1/0x2b8 [ 2162.000485] [] ? 0xffffffffb1c002b8 [ 2162.014274] [] ? copy_mount_options+0x23d/0x24d [ 2162.031137] [] SyS_mount+0xa3/0xda [ 2162.044827] [] mount_block_root+0x2fc/0x650 [ 2162.063093] [] ? init_rootfs+0x99/0x99 [ 2162.078717] [] ? security_file_ioctl+0xa5/0xb4 [ 2162.097542] [] ? SyS_mknod+0x2f/0x36 [ 2162.114472] [] mount_root+0x45/0x48 [ 2162.128280] [] prepare_namespace+0x1cf/0x235 [ 2162.144262] [] kernel_init_freeable+0x4fa/0x518 [ 2162.162118] [] kernel_init+0x16/0x181 [ 2162.179637] [] ret_from_fork+0x1f/0x40 [ 2162.194751] [] ? rest_init+0x8f/0x8f [ 2162.208778] ================================================================================ [ 2162.233329] ================================================================================ [ 2162.257169] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1760:1 [ 2162.274666] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2162.300212] which requires 64 byte alignment [ 2162.314032] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2162.330131] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2162.359190] 00000000ffffffff 00000000b1a89c60 ffff88005c9df698 ffffffffb26ec5cc [ 2162.380238] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2162.402760] ffffffff00000010 ffff88005c9df6c0 ffff88005c9df670 ffffffffb363c3e0 [ 2162.425750] Call Trace: [ 2162.433572] [] dump_stack+0xd7/0x132 [ 2162.448137] [] ? arch_local_irq_restore+0x1b/0x1b [ 2162.468940] [] ubsan_epilogue+0x12/0x53 [ 2162.483546] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2162.503354] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2162.523245] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2162.546127] [] ext4_bg_has_super+0xb9/0x230 [ 2162.562879] [] ext4_calculate_overhead+0x290/0xa97 [ 2162.581134] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2162.602891] [] ext4_fill_super+0x7635/0xa2df [ 2162.621126] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2162.639790] [] ? vsnprintf+0x1a0/0xa32 [ 2162.657106] [] ? pointer+0x7a9/0x7a9 [ 2162.673238] [] ? set_bdev_super+0x15d/0x15d [ 2162.690667] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2162.713518] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2162.736957] [] ? scnprintf+0xf3/0xf3 [ 2162.750379] [] mount_bdev+0x3cf/0x602 [ 2162.766739] [] ? mount_bdev+0x3cf/0x602 [ 2162.782869] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2162.805221] [] ext4_mount+0x3c/0x3e [ 2162.819863] [] mount_fs+0xd0/0x2ca [ 2162.833387] [] vfs_kern_mount+0xa0/0x20a [ 2162.850186] [] do_mount+0x11fe/0x19df [ 2162.866048] [] ? kasan_kmalloc+0x94/0xa3 [ 2162.885160] [] ? copy_mount_string+0x3d/0x3d [ 2162.904597] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2162.922639] [] ? __check_object_size+0x1e1/0x2b8 [ 2162.941461] [] ? 0xffffffffb1c002b8 [ 2162.957612] [] ? copy_mount_options+0x23d/0x24d [ 2162.975953] [] SyS_mount+0xa3/0xda [ 2162.990927] [] mount_block_root+0x2fc/0x650 [ 2163.008221] [] ? init_rootfs+0x99/0x99 [ 2163.026369] [] ? security_file_ioctl+0xa5/0xb4 [ 2163.046633] [] ? SyS_mknod+0x2f/0x36 [ 2163.063264] [] mount_root+0x45/0x48 [ 2163.078312] [] prepare_namespace+0x1cf/0x235 [ 2163.094829] [] kernel_init_freeable+0x4fa/0x518 [ 2163.110437] [] kernel_init+0x16/0x181 [ 2163.127107] [] ret_from_fork+0x1f/0x40 [ 2163.142909] [] ? rest_init+0x8f/0x8f [ 2163.158127] ================================================================================ [ 2163.183160] ================================================================================ [ 2163.214267] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2163.232043] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2163.258324] which requires 64 byte alignment [ 2163.271778] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2163.286061] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2163.319687] 00000000ffffffff 00000000b1a89c60 ffff88005c9df698 ffffffffb26ec5cc [ 2163.342246] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2163.366256] 0000000000000010 ffff88005c9df6c0 ffff88005c9df670 ffffffffb363c3e0 [ 2163.387916] Call Trace: [ 2163.394738] [] dump_stack+0xd7/0x132 [ 2163.407736] [] ? arch_local_irq_restore+0x1b/0x1b [ 2163.429054] [] ubsan_epilogue+0x12/0x53 [ 2163.444745] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2163.462772] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2163.483967] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2163.505210] [] ext4_bg_has_super+0x17f/0x230 [ 2163.525287] [] ext4_calculate_overhead+0x290/0xa97 [ 2163.545609] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2163.566121] [] ext4_fill_super+0x7635/0xa2df [ 2163.582888] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2163.602840] [] ? vsnprintf+0x1a0/0xa32 [ 2163.619740] [] ? pointer+0x7a9/0x7a9 [ 2163.633773] [] ? set_bdev_super+0x15d/0x15d [ 2163.651137] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2163.673106] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2163.695167] [] ? scnprintf+0xf3/0xf3 [ 2163.710917] [] mount_bdev+0x3cf/0x602 [ 2163.729361] [] ? mount_bdev+0x3cf/0x602 [ 2163.745254] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2163.764777] [] ext4_mount+0x3c/0x3e [ 2163.781869] [] mount_fs+0xd0/0x2ca [ 2163.796989] [] vfs_kern_mount+0xa0/0x20a [ 2163.814880] [] do_mount+0x11fe/0x19df [ 2163.827522] [] ? kasan_kmalloc+0x94/0xa3 [ 2163.844814] [] ? copy_mount_string+0x3d/0x3d [ 2163.861393] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2163.880965] [] ? __check_object_size+0x1e1/0x2b8 [ 2163.900762] [] ? 0xffffffffb1c002b8 [ 2163.917759] [] ? copy_mount_options+0x23d/0x24d [ 2163.935278] [] SyS_mount+0xa3/0xda [ 2163.949300] [] mount_block_root+0x2fc/0x650 [ 2163.966442] [] ? init_rootfs+0x99/0x99 [ 2163.982470] [] ? security_file_ioctl+0xa5/0xb4 [ 2164.001488] [] ? SyS_mknod+0x2f/0x36 [ 2164.017607] [] mount_root+0x45/0x48 [ 2164.032357] [] prepare_namespace+0x1cf/0x235 [ 2164.048960] [] kernel_init_freeable+0x4fa/0x518 [ 2164.067409] [] kernel_init+0x16/0x181 [ 2164.083068] [] ret_from_fork+0x1f/0x40 [ 2164.098456] [] ? rest_init+0x8f/0x8f [ 2164.115319] ================================================================================ [ 2164.141144] ================================================================================ [ 2164.165612] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1762:1 [ 2164.187037] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2164.214604] which requires 64 byte alignment [ 2164.225899] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2164.243197] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2164.274266] 00000000ffffffff 00000000b1a89c60 ffff88005c9df698 ffffffffb26ec5cc [ 2164.293146] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2164.314672] ffffffff00000010 ffff88005c9df6c0 ffff88005c9df670 ffffffffb363c3e0 [ 2164.335763] Call Trace: [ 2164.342871] [] dump_stack+0xd7/0x132 [ 2164.358318] [] ? arch_local_irq_restore+0x1b/0x1b [ 2164.377507] [] ubsan_epilogue+0x12/0x53 [ 2164.392887] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2164.410309] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2164.437054] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2164.456692] [] ext4_bg_has_super+0x199/0x230 [ 2164.475120] [] ext4_calculate_overhead+0x290/0xa97 [ 2164.491556] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2164.512569] [] ext4_fill_super+0x7635/0xa2df [ 2164.533954] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2164.555193] [] ? vsnprintf+0x1a0/0xa32 [ 2164.570542] [] ? pointer+0x7a9/0x7a9 [ 2164.585082] [] ? set_bdev_super+0x15d/0x15d [ 2164.600922] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2164.622945] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2164.644428] [] ? scnprintf+0xf3/0xf3 [ 2164.662299] [] mount_bdev+0x3cf/0x602 [ 2164.676456] [] ? mount_bdev+0x3cf/0x602 [ 2164.696399] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2164.716543] [] ext4_mount+0x3c/0x3e [ 2164.731313] [] mount_fs+0xd0/0x2ca [ 2164.747087] [] vfs_kern_mount+0xa0/0x20a [ 2164.765884] [] do_mount+0x11fe/0x19df [ 2164.781757] [] ? kasan_kmalloc+0x94/0xa3 [ 2164.798587] [] ? copy_mount_string+0x3d/0x3d [ 2164.816456] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2164.833766] [] ? __check_object_size+0x1e1/0x2b8 [ 2164.852967] [] ? 0xffffffffb1c002b8 [ 2164.868832] [] ? copy_mount_options+0x23d/0x24d [ 2164.887437] [] SyS_mount+0xa3/0xda [ 2164.902712] [] mount_block_root+0x2fc/0x650 [ 2164.920631] [] ? init_rootfs+0x99/0x99 [ 2164.937561] [] ? security_file_ioctl+0xa5/0xb4 [ 2164.954832] [] ? SyS_mknod+0x2f/0x36 [ 2164.969842] [] mount_root+0x45/0x48 [ 2164.982177] [] prepare_namespace+0x1cf/0x235 [ 2164.999717] [] kernel_init_freeable+0x4fa/0x518 [ 2165.018914] [] kernel_init+0x16/0x181 [ 2165.034084] [] ret_from_fork+0x1f/0x40 [ 2165.049881] [] ? rest_init+0x8f/0x8f [ 2165.065388] ================================================================================ [ 2165.087968] ================================================================================ [ 2165.115261] UBSAN: Undefined behaviour in fs/ext4/super.c:3238:9 [ 2165.134088] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2165.161195] which requires 64 byte alignment [ 2165.172896] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2165.188995] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2165.215341] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2165.238436] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2165.260481] ffff880000000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2165.283224] Call Trace: [ 2165.291587] [] dump_stack+0xd7/0x132 [ 2165.304852] [] ? arch_local_irq_restore+0x1b/0x1b [ 2165.328247] [] ubsan_epilogue+0x12/0x53 [ 2165.344972] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2165.364305] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2165.386358] [] ? ext4_bg_num_gdb+0x419/0x429 [ 2165.404499] [] ext4_calculate_overhead+0x923/0xa97 [ 2165.426637] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2165.447062] [] ext4_fill_super+0x7635/0xa2df [ 2165.464889] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2165.483049] [] ? vsnprintf+0x1a0/0xa32 [ 2165.499683] [] ? pointer+0x7a9/0x7a9 [ 2165.513005] [] ? set_bdev_super+0x15d/0x15d [ 2165.529686] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2165.548514] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2165.568984] [] ? scnprintf+0xf3/0xf3 [ 2165.589490] [] mount_bdev+0x3cf/0x602 [ 2165.607116] [] ? mount_bdev+0x3cf/0x602 [ 2165.622674] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2165.646244] [] ext4_mount+0x3c/0x3e [ 2165.662530] [] mount_fs+0xd0/0x2ca [ 2165.678018] [] vfs_kern_mount+0xa0/0x20a [ 2165.700483] [] do_mount+0x11fe/0x19df [ 2165.716984] [] ? kasan_kmalloc+0x94/0xa3 [ 2165.730590] [] ? copy_mount_string+0x3d/0x3d [ 2165.746336] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2165.765164] [] ? __check_object_size+0x1e1/0x2b8 [ 2165.781152] [] ? 0xffffffffb1c002b8 [ 2165.795945] [] ? copy_mount_options+0x23d/0x24d [ 2165.815639] [] SyS_mount+0xa3/0xda [ 2165.828191] [] mount_block_root+0x2fc/0x650 [ 2165.847135] [] ? init_rootfs+0x99/0x99 [ 2165.864215] [] ? security_file_ioctl+0xa5/0xb4 [ 2165.885351] [] ? SyS_mknod+0x2f/0x36 [ 2165.902129] [] mount_root+0x45/0x48 [ 2165.918873] [] prepare_namespace+0x1cf/0x235 [ 2165.937076] [] kernel_init_freeable+0x4fa/0x518 [ 2165.954606] [] kernel_init+0x16/0x181 [ 2165.970755] [] ret_from_fork+0x1f/0x40 [ 2165.984001] [] ? rest_init+0x8f/0x8f [ 2165.998858] ================================================================================ [ 2166.023047] ================================================================================ [ 2166.046916] UBSAN: Undefined behaviour in fs/ext4/super.c:3238:28 [ 2166.066101] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2166.091095] which requires 64 byte alignment [ 2166.104547] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2166.124683] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2166.151567] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2166.176689] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2166.198260] ffffffff00000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2166.221497] Call Trace: [ 2166.228932] [] dump_stack+0xd7/0x132 [ 2166.244168] [] ? arch_local_irq_restore+0x1b/0x1b [ 2166.262023] [] ubsan_epilogue+0x12/0x53 [ 2166.278832] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2166.298650] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2166.321877] [] ? ext4_bg_num_gdb+0x419/0x429 [ 2166.340650] [] ext4_calculate_overhead+0x95d/0xa97 [ 2166.359882] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2166.381994] [] ext4_fill_super+0x7635/0xa2df [ 2166.399964] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2166.421806] [] ? vsnprintf+0x1a0/0xa32 [ 2166.436899] [] ? pointer+0x7a9/0x7a9 [ 2166.450853] [] ? set_bdev_super+0x15d/0x15d [ 2166.467344] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2166.489593] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2166.513379] [] ? scnprintf+0xf3/0xf3 [ 2166.527398] [] mount_bdev+0x3cf/0x602 [ 2166.544750] [] ? mount_bdev+0x3cf/0x602 [ 2166.563695] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2166.580622] [] ext4_mount+0x3c/0x3e [ 2166.598098] [] mount_fs+0xd0/0x2ca [ 2166.615853] [] vfs_kern_mount+0xa0/0x20a [ 2166.629737] [] do_mount+0x11fe/0x19df [ 2166.646884] [] ? kasan_kmalloc+0x94/0xa3 [ 2166.662084] [] ? copy_mount_string+0x3d/0x3d [ 2166.678193] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2166.696479] [] ? __check_object_size+0x1e1/0x2b8 [ 2166.718518] [] ? 0xffffffffb1c002b8 [ 2166.732887] [] ? copy_mount_options+0x23d/0x24d [ 2166.750653] [] SyS_mount+0xa3/0xda [ 2166.763446] [] mount_block_root+0x2fc/0x650 [ 2166.783064] [] ? init_rootfs+0x99/0x99 [ 2166.800267] [] ? security_file_ioctl+0xa5/0xb4 [ 2166.819341] [] ? SyS_mknod+0x2f/0x36 [ 2166.834162] [] mount_root+0x45/0x48 [ 2166.847988] [] prepare_namespace+0x1cf/0x235 [ 2166.864925] [] kernel_init_freeable+0x4fa/0x518 [ 2166.882292] [] kernel_init+0x16/0x181 [ 2166.898229] [] ret_from_fork+0x1f/0x40 [ 2166.914452] [] ? rest_init+0x8f/0x8f [ 2166.928574] ================================================================================ [ 2166.952849] ================================================================================ [ 2166.976748] UBSAN: Undefined behaviour in fs/ext4/super.c:3239:15 [ 2166.995534] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2167.020638] which requires 64 byte alignment [ 2167.036981] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2167.052665] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2167.080639] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2167.103078] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2167.124560] ffffffff00000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2167.148355] Call Trace: [ 2167.157030] [] dump_stack+0xd7/0x132 [ 2167.171120] [] ? arch_local_irq_restore+0x1b/0x1b [ 2167.187918] [] ubsan_epilogue+0x12/0x53 [ 2167.204570] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2167.225861] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2167.248273] [] ? ext4_bg_num_gdb+0x419/0x429 [ 2167.264016] [] ext4_calculate_overhead+0x995/0xa97 [ 2167.281795] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2167.303561] [] ext4_fill_super+0x7635/0xa2df [ 2167.321773] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2167.340678] [] ? vsnprintf+0x1a0/0xa32 [ 2167.357105] [] ? pointer+0x7a9/0x7a9 [ 2167.371851] [] ? set_bdev_super+0x15d/0x15d [ 2167.387549] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2167.412156] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2167.437748] [] ? scnprintf+0xf3/0xf3 [ 2167.452699] [] mount_bdev+0x3cf/0x602 [ 2167.468317] [] ? mount_bdev+0x3cf/0x602 [ 2167.483509] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2167.501182] [] ext4_mount+0x3c/0x3e [ 2167.516737] [] mount_fs+0xd0/0x2ca [ 2167.529080] [] vfs_kern_mount+0xa0/0x20a [ 2167.546125] [] do_mount+0x11fe/0x19df [ 2167.561576] [] ? kasan_kmalloc+0x94/0xa3 [ 2167.578483] [] ? copy_mount_string+0x3d/0x3d [ 2167.596765] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2167.615968] [] ? __check_object_size+0x1e1/0x2b8 [ 2167.630985] [] ? 0xffffffffb1c002b8 [ 2167.644354] [] ? copy_mount_options+0x23d/0x24d [ 2167.660384] [] SyS_mount+0xa3/0xda [ 2167.675774] [] mount_block_root+0x2fc/0x650 [ 2167.691552] [] ? init_rootfs+0x99/0x99 [ 2167.706754] [] ? security_file_ioctl+0xa5/0xb4 [ 2167.724678] [] ? SyS_mknod+0x2f/0x36 [ 2167.741634] [] mount_root+0x45/0x48 [ 2167.756719] [] prepare_namespace+0x1cf/0x235 [ 2167.773116] [] kernel_init_freeable+0x4fa/0x518 [ 2167.787878] [] kernel_init+0x16/0x181 [ 2167.804838] [] ret_from_fork+0x1f/0x40 [ 2167.821898] [] ? rest_init+0x8f/0x8f [ 2167.835012] ================================================================================ [ 2167.859804] ================================================================================ [ 2167.886010] UBSAN: Undefined behaviour in fs/ext4/super.c:3239:15 [ 2167.904637] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2167.928637] which requires 64 byte alignment [ 2167.942405] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2167.960900] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2167.987516] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2168.011328] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2168.030633] ffffffff00000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2168.051089] Call Trace: [ 2168.059569] [] dump_stack+0xd7/0x132 [ 2168.076509] [] ? arch_local_irq_restore+0x1b/0x1b [ 2168.095169] [] ubsan_epilogue+0x12/0x53 [ 2168.108562] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2168.129046] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2168.150188] [] ? ext4_bg_num_gdb+0x419/0x429 [ 2168.170240] [] ext4_calculate_overhead+0x9dd/0xa97 [ 2168.192002] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2168.211930] [] ext4_fill_super+0x7635/0xa2df [ 2168.230499] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2168.256314] [] ? vsnprintf+0x1a0/0xa32 [ 2168.272230] [] ? pointer+0x7a9/0x7a9 [ 2168.289726] [] ? set_bdev_super+0x15d/0x15d [ 2168.308906] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2168.326880] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2168.347455] [] ? scnprintf+0xf3/0xf3 [ 2168.364013] [] mount_bdev+0x3cf/0x602 [ 2168.382824] [] ? mount_bdev+0x3cf/0x602 [ 2168.400461] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2168.421072] [] ext4_mount+0x3c/0x3e [ 2168.435086] [] mount_fs+0xd0/0x2ca [ 2168.447770] [] vfs_kern_mount+0xa0/0x20a [ 2168.464811] [] do_mount+0x11fe/0x19df [ 2168.478820] [] ? kasan_kmalloc+0x94/0xa3 [ 2168.496963] [] ? copy_mount_string+0x3d/0x3d [ 2168.515403] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2168.531011] [] ? __check_object_size+0x1e1/0x2b8 [ 2168.547991] [] ? 0xffffffffb1c002b8 [ 2168.562805] [] ? copy_mount_options+0x23d/0x24d [ 2168.581790] [] SyS_mount+0xa3/0xda [ 2168.598686] [] mount_block_root+0x2fc/0x650 [ 2168.614559] [] ? init_rootfs+0x99/0x99 [ 2168.627716] [] ? security_file_ioctl+0xa5/0xb4 [ 2168.643533] [] ? SyS_mknod+0x2f/0x36 [ 2168.657938] [] mount_root+0x45/0x48 [ 2168.672376] [] prepare_namespace+0x1cf/0x235 [ 2168.686588] [] kernel_init_freeable+0x4fa/0x518 [ 2168.703139] [] kernel_init+0x16/0x181 [ 2168.721330] [] ret_from_fork+0x1f/0x40 [ 2168.737945] [] ? rest_init+0x8f/0x8f [ 2168.754052] ================================================================================ [ 2168.780543] ================================================================================ [ 2168.804573] UBSAN: Undefined behaviour in fs/ext4/super.c:3239:15 [ 2168.821802] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2168.846809] which requires 64 byte alignment [ 2168.860058] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2168.880538] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2168.910295] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2168.929557] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2168.950850] ffffffff00000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2168.972879] Call Trace: [ 2168.979238] [] dump_stack+0xd7/0x132 [ 2168.996589] [] ? arch_local_irq_restore+0x1b/0x1b [ 2169.015163] [] ubsan_epilogue+0x12/0x53 [ 2169.030280] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2169.051709] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2169.073678] [] ? ext4_bg_num_gdb+0x419/0x429 [ 2169.091537] [] ext4_calculate_overhead+0xa07/0xa97 [ 2169.110763] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2169.135372] [] ext4_fill_super+0x7635/0xa2df [ 2169.154030] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2169.171888] [] ? vsnprintf+0x1a0/0xa32 [ 2169.186088] [] ? pointer+0x7a9/0x7a9 [ 2169.201893] [] ? set_bdev_super+0x15d/0x15d [ 2169.221102] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2169.246250] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2169.267463] [] ? scnprintf+0xf3/0xf3 [ 2169.280549] [] mount_bdev+0x3cf/0x602 [ 2169.295468] [] ? mount_bdev+0x3cf/0x602 [ 2169.309787] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2169.330396] [] ext4_mount+0x3c/0x3e [ 2169.346793] [] mount_fs+0xd0/0x2ca [ 2169.361727] [] vfs_kern_mount+0xa0/0x20a [ 2169.377007] [] do_mount+0x11fe/0x19df [ 2169.390246] [] ? kasan_kmalloc+0x94/0xa3 [ 2169.405334] [] ? copy_mount_string+0x3d/0x3d [ 2169.420922] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2169.439257] [] ? __check_object_size+0x1e1/0x2b8 [ 2169.458055] [] ? 0xffffffffb1c002b8 [ 2169.473455] [] ? copy_mount_options+0x23d/0x24d [ 2169.492243] [] SyS_mount+0xa3/0xda [ 2169.505269] [] mount_block_root+0x2fc/0x650 [ 2169.523440] [] ? init_rootfs+0x99/0x99 [ 2169.541149] [] ? security_file_ioctl+0xa5/0xb4 [ 2169.558078] [] ? SyS_mknod+0x2f/0x36 [ 2169.575323] [] mount_root+0x45/0x48 [ 2169.589579] [] prepare_namespace+0x1cf/0x235 [ 2169.605261] [] kernel_init_freeable+0x4fa/0x518 [ 2169.622129] [] kernel_init+0x16/0x181 [ 2169.634704] [] ret_from_fork+0x1f/0x40 [ 2169.650188] [] ? rest_init+0x8f/0x8f [ 2169.665318] ================================================================================ [ 2169.689160] ================================================================================ [ 2169.717924] UBSAN: Undefined behaviour in fs/ext4/super.c:3241:18 [ 2169.736938] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2169.761125] which requires 64 byte alignment [ 2169.773777] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2169.788827] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2169.816889] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2169.837891] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2169.861420] ffffffff00000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2169.882041] Call Trace: [ 2169.889811] [] dump_stack+0xd7/0x132 [ 2169.903667] [] ? arch_local_irq_restore+0x1b/0x1b [ 2169.925316] [] ubsan_epilogue+0x12/0x53 [ 2169.942920] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2169.963408] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2169.984661] [] ? ext4_bg_num_gdb+0x419/0x429 [ 2170.000638] [] ext4_calculate_overhead+0xa61/0xa97 [ 2170.017881] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2170.038411] [] ext4_fill_super+0x7635/0xa2df [ 2170.056485] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2170.075245] [] ? vsnprintf+0x1a0/0xa32 [ 2170.092147] [] ? pointer+0x7a9/0x7a9 [ 2170.105553] [] ? set_bdev_super+0x15d/0x15d [ 2170.121053] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2170.141606] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2170.159233] [] ? scnprintf+0xf3/0xf3 [ 2170.173334] [] mount_bdev+0x3cf/0x602 [ 2170.186379] [] ? mount_bdev+0x3cf/0x602 [ 2170.202468] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2170.222681] [] ext4_mount+0x3c/0x3e [ 2170.239750] [] mount_fs+0xd0/0x2ca [ 2170.258407] [] vfs_kern_mount+0xa0/0x20a [ 2170.275168] [] do_mount+0x11fe/0x19df [ 2170.289361] [] ? kasan_kmalloc+0x94/0xa3 [ 2170.305145] [] ? copy_mount_string+0x3d/0x3d [ 2170.322996] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2170.340045] [] ? __check_object_size+0x1e1/0x2b8 [ 2170.358747] [] ? 0xffffffffb1c002b8 [ 2170.373153] [] ? copy_mount_options+0x23d/0x24d [ 2170.391281] [] SyS_mount+0xa3/0xda [ 2170.404849] [] mount_block_root+0x2fc/0x650 [ 2170.420836] [] ? init_rootfs+0x99/0x99 [ 2170.438532] [] ? security_file_ioctl+0xa5/0xb4 [ 2170.459113] [] ? SyS_mknod+0x2f/0x36 [ 2170.475663] [] mount_root+0x45/0x48 [ 2170.491475] [] prepare_namespace+0x1cf/0x235 [ 2170.508099] [] kernel_init_freeable+0x4fa/0x518 [ 2170.524916] [] kernel_init+0x16/0x181 [ 2170.543533] [] ret_from_fork+0x1f/0x40 [ 2170.564282] [] ? rest_init+0x8f/0x8f [ 2170.580623] ================================================================================ [ 2170.603514] ================================================================================ [ 2170.626508] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2170.642262] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2170.665775] which requires 64 byte alignment [ 2170.678232] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2170.696115] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2170.726771] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2170.749121] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2170.773561] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2170.794868] Call Trace: [ 2170.800921] [] dump_stack+0xd7/0x132 [ 2170.818624] [] ? arch_local_irq_restore+0x1b/0x1b [ 2170.837914] [] ubsan_epilogue+0x12/0x53 [ 2170.852352] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2170.874399] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2170.896068] [] ext4_fill_super+0x765c/0xa2df [ 2170.916282] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2170.935774] [] ? vsnprintf+0x1a0/0xa32 [ 2170.949073] [] ? pointer+0x7a9/0x7a9 [ 2170.964419] [] ? set_bdev_super+0x15d/0x15d [ 2170.980467] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2171.000107] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2171.022221] [] ? scnprintf+0xf3/0xf3 [ 2171.037959] [] mount_bdev+0x3cf/0x602 [ 2171.052282] [] ? mount_bdev+0x3cf/0x602 [ 2171.071876] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2171.091629] [] ext4_mount+0x3c/0x3e [ 2171.105890] [] mount_fs+0xd0/0x2ca [ 2171.123984] [] vfs_kern_mount+0xa0/0x20a [ 2171.138497] [] do_mount+0x11fe/0x19df [ 2171.151801] [] ? kasan_kmalloc+0x94/0xa3 [ 2171.166770] [] ? copy_mount_string+0x3d/0x3d [ 2171.183198] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2171.202554] [] ? __check_object_size+0x1e1/0x2b8 [ 2171.222421] [] ? 0xffffffffb1c002b8 [ 2171.236524] [] ? copy_mount_options+0x23d/0x24d [ 2171.256004] [] SyS_mount+0xa3/0xda [ 2171.270273] [] mount_block_root+0x2fc/0x650 [ 2171.289533] [] ? init_rootfs+0x99/0x99 [ 2171.306040] [] ? security_file_ioctl+0xa5/0xb4 [ 2171.326580] [] ? SyS_mknod+0x2f/0x36 [ 2171.343129] [] mount_root+0x45/0x48 [ 2171.358488] [] prepare_namespace+0x1cf/0x235 [ 2171.376597] [] kernel_init_freeable+0x4fa/0x518 [ 2171.396931] [] kernel_init+0x16/0x181 [ 2171.411639] [] ret_from_fork+0x1f/0x40 [ 2171.425729] [] ? rest_init+0x8f/0x8f [ 2171.439700] ================================================================================ [ 2171.480053] ================================================================================ [ 2171.504833] UBSAN: Undefined behaviour in fs/ext4/super.c:3998:33 [ 2171.523074] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2171.551442] which requires 64 byte alignment [ 2171.564883] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2171.579619] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2171.605859] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2171.628426] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2171.652066] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2171.674254] Call Trace: [ 2171.680229] [] dump_stack+0xd7/0x132 [ 2171.696529] [] ? arch_local_irq_restore+0x1b/0x1b [ 2171.717148] [] ubsan_epilogue+0x12/0x53 [ 2171.732390] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2171.749323] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2171.771208] [] ext4_fill_super+0x76a6/0xa2df [ 2171.788465] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2171.808514] [] ? vsnprintf+0x1a0/0xa32 [ 2171.823182] [] ? pointer+0x7a9/0x7a9 [ 2171.840080] [] ? set_bdev_super+0x15d/0x15d [ 2171.859101] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2171.879474] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2171.900894] [] ? scnprintf+0xf3/0xf3 [ 2171.919770] [] mount_bdev+0x3cf/0x602 [ 2171.936816] [] ? mount_bdev+0x3cf/0x602 [ 2171.951229] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2171.972671] [] ext4_mount+0x3c/0x3e [ 2171.985922] [] mount_fs+0xd0/0x2ca [ 2171.999853] [] vfs_kern_mount+0xa0/0x20a [ 2172.014907] [] do_mount+0x11fe/0x19df [ 2172.028210] [] ? kasan_kmalloc+0x94/0xa3 [ 2172.045218] [] ? copy_mount_string+0x3d/0x3d [ 2172.061029] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2172.079767] [] ? __check_object_size+0x1e1/0x2b8 [ 2172.097124] [] ? 0xffffffffb1c002b8 [ 2172.110568] [] ? copy_mount_options+0x23d/0x24d [ 2172.128590] [] SyS_mount+0xa3/0xda [ 2172.144174] [] mount_block_root+0x2fc/0x650 [ 2172.159288] [] ? init_rootfs+0x99/0x99 [ 2172.176921] [] ? security_file_ioctl+0xa5/0xb4 [ 2172.195920] [] ? SyS_mknod+0x2f/0x36 [ 2172.208621] [] mount_root+0x45/0x48 [ 2172.224554] [] prepare_namespace+0x1cf/0x235 [ 2172.245074] [] kernel_init_freeable+0x4fa/0x518 [ 2172.261191] [] kernel_init+0x16/0x181 [ 2172.276218] [] ret_from_fork+0x1f/0x40 [ 2172.290271] [] ? rest_init+0x8f/0x8f [ 2172.305883] ================================================================================ [ 2172.335071] ================================================================================ [ 2172.359602] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2172.373884] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2172.397929] which requires 64 byte alignment [ 2172.408712] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2172.424794] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2172.450380] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2172.472725] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2172.494815] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2172.519049] Call Trace: [ 2172.524955] [] dump_stack+0xd7/0x132 [ 2172.542697] [] ? arch_local_irq_restore+0x1b/0x1b [ 2172.559121] [] ubsan_epilogue+0x12/0x53 [ 2172.574853] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2172.595454] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2172.616781] [] ext4_fill_super+0x76d3/0xa2df [ 2172.633486] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2172.652866] [] ? vsnprintf+0x1a0/0xa32 [ 2172.670319] [] ? pointer+0x7a9/0x7a9 [ 2172.684634] [] ? set_bdev_super+0x15d/0x15d [ 2172.703531] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2172.722378] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2172.744520] [] ? scnprintf+0xf3/0xf3 [ 2172.760426] [] mount_bdev+0x3cf/0x602 [ 2172.775526] [] ? mount_bdev+0x3cf/0x602 [ 2172.791526] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2172.811810] [] ext4_mount+0x3c/0x3e [ 2172.824846] [] mount_fs+0xd0/0x2ca [ 2172.838496] [] vfs_kern_mount+0xa0/0x20a [ 2172.855247] [] do_mount+0x11fe/0x19df [ 2172.870953] [] ? kasan_kmalloc+0x94/0xa3 [ 2172.888961] [] ? copy_mount_string+0x3d/0x3d [ 2172.905735] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2172.926802] [] ? __check_object_size+0x1e1/0x2b8 [ 2172.945956] [] ? 0xffffffffb1c002b8 [ 2172.960468] [] ? copy_mount_options+0x23d/0x24d [ 2172.978459] [] SyS_mount+0xa3/0xda [ 2172.996609] [] mount_block_root+0x2fc/0x650 [ 2173.013355] [] ? init_rootfs+0x99/0x99 [ 2173.027643] [] ? security_file_ioctl+0xa5/0xb4 [ 2173.046163] [] ? SyS_mknod+0x2f/0x36 [ 2173.061293] [] mount_root+0x45/0x48 [ 2173.079280] [] prepare_namespace+0x1cf/0x235 [ 2173.097130] [] kernel_init_freeable+0x4fa/0x518 [ 2173.113734] [] kernel_init+0x16/0x181 [ 2173.130966] [] ret_from_fork+0x1f/0x40 [ 2173.148075] [] ? rest_init+0x8f/0x8f [ 2173.163203] ================================================================================ [ 2173.189122] ================================================================================ [ 2173.215100] UBSAN: Undefined behaviour in fs/ext4/super.c:4000:18 [ 2173.233251] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2173.260495] which requires 64 byte alignment [ 2173.271813] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2173.290253] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2173.317214] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2173.338388] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2173.358699] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2173.381297] Call Trace: [ 2173.390277] [] dump_stack+0xd7/0x132 [ 2173.404155] [] ? arch_local_irq_restore+0x1b/0x1b [ 2173.422940] [] ubsan_epilogue+0x12/0x53 [ 2173.440265] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2173.459516] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2173.481401] [] ext4_fill_super+0x76ff/0xa2df [ 2173.500872] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2173.521826] [] ? vsnprintf+0x1a0/0xa32 [ 2173.542816] [] ? pointer+0x7a9/0x7a9 [ 2173.560338] [] ? set_bdev_super+0x15d/0x15d [ 2173.578577] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2173.598411] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2173.620195] [] ? scnprintf+0xf3/0xf3 [ 2173.636374] [] mount_bdev+0x3cf/0x602 [ 2173.651872] [] ? mount_bdev+0x3cf/0x602 [ 2173.666259] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2173.686579] [] ext4_mount+0x3c/0x3e [ 2173.703638] [] mount_fs+0xd0/0x2ca [ 2173.718689] [] vfs_kern_mount+0xa0/0x20a [ 2173.737165] [] do_mount+0x11fe/0x19df [ 2173.752215] [] ? kasan_kmalloc+0x94/0xa3 [ 2173.768527] [] ? copy_mount_string+0x3d/0x3d [ 2173.786327] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2173.805417] [] ? __check_object_size+0x1e1/0x2b8 [ 2173.823056] [] ? 0xffffffffb1c002b8 [ 2173.838284] [] ? copy_mount_options+0x23d/0x24d [ 2173.855479] [] SyS_mount+0xa3/0xda [ 2173.869296] [] mount_block_root+0x2fc/0x650 [ 2173.888714] [] ? init_rootfs+0x99/0x99 [ 2173.903320] [] ? security_file_ioctl+0xa5/0xb4 [ 2173.923126] [] ? SyS_mknod+0x2f/0x36 [ 2173.935432] [] mount_root+0x45/0x48 [ 2173.949529] [] prepare_namespace+0x1cf/0x235 [ 2173.966619] [] kernel_init_freeable+0x4fa/0x518 [ 2173.983818] [] kernel_init+0x16/0x181 [ 2173.999381] [] ret_from_fork+0x1f/0x40 [ 2174.014913] [] ? rest_init+0x8f/0x8f [ 2174.030860] ================================================================================ [ 2174.058667] ================================================================================ [ 2174.078860] UBSAN: Undefined behaviour in fs/ext4/super.c:4023:13 [ 2174.098897] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2174.124832] which requires 64 byte alignment [ 2174.139720] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2174.156063] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2174.182665] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2174.239011] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2174.261921] 0020000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2174.283015] Call Trace: [ 2174.291157] [] dump_stack+0xd7/0x132 [ 2174.305873] [] ? arch_local_irq_restore+0x1b/0x1b [ 2174.324669] [] ubsan_epilogue+0x12/0x53 [ 2174.343156] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2174.364700] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2174.382819] [] ext4_fill_super+0x7852/0xa2df [ 2174.400744] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2174.419894] [] ? vsnprintf+0x1a0/0xa32 [ 2174.437320] [] ? pointer+0x7a9/0x7a9 [ 2174.452510] [] ? set_bdev_super+0x15d/0x15d [ 2174.471273] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2174.493818] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2174.515892] [] ? scnprintf+0xf3/0xf3 [ 2174.533517] [] mount_bdev+0x3cf/0x602 [ 2174.547693] [] ? mount_bdev+0x3cf/0x602 [ 2174.566169] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2174.586657] [] ext4_mount+0x3c/0x3e [ 2174.602142] [] mount_fs+0xd0/0x2ca [ 2174.615702] [] vfs_kern_mount+0xa0/0x20a [ 2174.629663] [] do_mount+0x11fe/0x19df [ 2174.643912] [] ? kasan_kmalloc+0x94/0xa3 [ 2174.663149] [] ? copy_mount_string+0x3d/0x3d [ 2174.679605] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2174.699192] [] ? __check_object_size+0x1e1/0x2b8 [ 2174.716436] [] ? 0xffffffffb1c002b8 [ 2174.729135] [] ? copy_mount_options+0x23d/0x24d [ 2174.746477] [] SyS_mount+0xa3/0xda [ 2174.758975] [] mount_block_root+0x2fc/0x650 [ 2174.775221] [] ? init_rootfs+0x99/0x99 [ 2174.789975] [] ? security_file_ioctl+0xa5/0xb4 [ 2174.805701] [] ? SyS_mknod+0x2f/0x36 [ 2174.819463] [] mount_root+0x45/0x48 [ 2174.835749] [] prepare_namespace+0x1cf/0x235 [ 2174.851245] [] kernel_init_freeable+0x4fa/0x518 [ 2174.867265] [] kernel_init+0x16/0x181 [ 2174.880940] [] ret_from_fork+0x1f/0x40 [ 2174.897629] [] ? rest_init+0x8f/0x8f [ 2174.911499] ================================================================================ [ 2174.938169] ================================================================================ [ 2174.959363] UBSAN: Undefined behaviour in fs/ext4/super.c:4024:9 [ 2174.977363] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2175.004840] which requires 64 byte alignment [ 2175.018260] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2175.034030] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2175.061189] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2175.083488] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2175.106683] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2175.128412] Call Trace: [ 2175.135476] [] dump_stack+0xd7/0x132 [ 2175.152521] [] ? arch_local_irq_restore+0x1b/0x1b [ 2175.171520] [] ubsan_epilogue+0x12/0x53 [ 2175.186240] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2175.206375] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2175.226335] [] ext4_fill_super+0x7879/0xa2df [ 2175.245247] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2175.265384] [] ? vsnprintf+0x1a0/0xa32 [ 2175.280844] [] ? pointer+0x7a9/0x7a9 [ 2175.296698] [] ? set_bdev_super+0x15d/0x15d [ 2175.310952] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2175.331978] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2175.350993] [] ? scnprintf+0xf3/0xf3 [ 2175.367463] [] mount_bdev+0x3cf/0x602 [ 2175.385233] [] ? mount_bdev+0x3cf/0x602 [ 2175.401717] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2175.419710] [] ext4_mount+0x3c/0x3e [ 2175.434539] [] mount_fs+0xd0/0x2ca [ 2175.446694] [] vfs_kern_mount+0xa0/0x20a [ 2175.463368] [] do_mount+0x11fe/0x19df [ 2175.479087] [] ? kasan_kmalloc+0x94/0xa3 [ 2175.496394] [] ? copy_mount_string+0x3d/0x3d [ 2175.514883] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2175.529910] [] ? __check_object_size+0x1e1/0x2b8 [ 2175.552966] [] ? 0xffffffffb1c002b8 [ 2175.568566] [] ? copy_mount_options+0x23d/0x24d [ 2175.585911] [] SyS_mount+0xa3/0xda [ 2175.600571] [] mount_block_root+0x2fc/0x650 [ 2175.617072] [] ? init_rootfs+0x99/0x99 [ 2175.631125] [] ? security_file_ioctl+0xa5/0xb4 [ 2175.648248] [] ? SyS_mknod+0x2f/0x36 [ 2175.666054] [] mount_root+0x45/0x48 [ 2175.680581] [] prepare_namespace+0x1cf/0x235 [ 2175.696257] [] kernel_init_freeable+0x4fa/0x518 [ 2175.714742] [] kernel_init+0x16/0x181 [ 2175.728554] [] ret_from_fork+0x1f/0x40 [ 2175.746920] [] ? rest_init+0x8f/0x8f [ 2175.763186] ================================================================================ [ 2175.787621] ================================================================================ [ 2175.815597] UBSAN: Undefined behaviour in fs/ext4/super.c:4030:33 [ 2175.832062] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2175.857721] which requires 64 byte alignment [ 2175.868478] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2175.886196] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2175.914046] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2175.946779] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2175.967710] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2175.991349] Call Trace: [ 2175.998685] [] dump_stack+0xd7/0x132 [ 2176.014206] [] ? arch_local_irq_restore+0x1b/0x1b [ 2176.030017] [] ubsan_epilogue+0x12/0x53 [ 2176.047690] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2176.070909] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2176.089330] [] ext4_fill_super+0x78c2/0xa2df [ 2176.107611] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2176.128473] [] ? vsnprintf+0x1a0/0xa32 [ 2176.146390] [] ? pointer+0x7a9/0x7a9 [ 2176.163782] [] ? set_bdev_super+0x15d/0x15d [ 2176.178508] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2176.202961] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2176.223685] [] ? scnprintf+0xf3/0xf3 [ 2176.239498] [] mount_bdev+0x3cf/0x602 [ 2176.258008] [] ? mount_bdev+0x3cf/0x602 [ 2176.276149] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2176.295119] [] ext4_mount+0x3c/0x3e [ 2176.312725] [] mount_fs+0xd0/0x2ca [ 2176.325969] [] vfs_kern_mount+0xa0/0x20a [ 2176.344113] [] do_mount+0x11fe/0x19df [ 2176.361854] [] ? kasan_kmalloc+0x94/0xa3 [ 2176.378970] [] ? copy_mount_string+0x3d/0x3d [ 2176.397548] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2176.415672] [] ? __check_object_size+0x1e1/0x2b8 [ 2176.435213] [] ? 0xffffffffb1c002b8 [ 2176.448862] [] ? copy_mount_options+0x23d/0x24d [ 2176.468085] [] SyS_mount+0xa3/0xda [ 2176.481163] [] mount_block_root+0x2fc/0x650 [ 2176.498152] [] ? init_rootfs+0x99/0x99 [ 2176.512828] [] ? security_file_ioctl+0xa5/0xb4 [ 2176.527992] [] ? SyS_mknod+0x2f/0x36 [ 2176.545664] [] mount_root+0x45/0x48 [ 2176.561475] [] prepare_namespace+0x1cf/0x235 [ 2176.577832] [] kernel_init_freeable+0x4fa/0x518 [ 2176.597925] [] kernel_init+0x16/0x181 [ 2176.615007] [] ret_from_fork+0x1f/0x40 [ 2176.628457] [] ? rest_init+0x8f/0x8f [ 2176.647338] ================================================================================ [ 2176.672313] ================================================================================ [ 2176.697759] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2176.715787] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2176.741620] which requires 64 byte alignment [ 2176.753776] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2176.770058] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2176.955465] 00000000ffffffff 00000000b1a89c60 ffff88005c9df730 ffffffffb26ec5cc [ 2176.976509] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2176.997495] ffff880000000010 ffff88005c9df758 ffff88005c9df708 ffffffffb363c3e0 [ 2177.018094] Call Trace: [ 2177.025931] [] dump_stack+0xd7/0x132 [ 2177.040431] [] ? arch_local_irq_restore+0x1b/0x1b [ 2177.057405] [] ubsan_epilogue+0x12/0x53 [ 2177.074577] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2177.095227] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2177.117903] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2177.137750] [] ext4_setup_super+0x3e/0x632 [ 2177.152713] [] ext4_fill_super+0x78e0/0xa2df [ 2177.170576] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2177.190862] [] ? vsnprintf+0x1a0/0xa32 [ 2177.205281] [] ? pointer+0x7a9/0x7a9 [ 2177.222653] [] ? set_bdev_super+0x15d/0x15d [ 2177.238132] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2177.259793] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2177.281757] [] ? scnprintf+0xf3/0xf3 [ 2177.297178] [] mount_bdev+0x3cf/0x602 [ 2177.311957] [] ? mount_bdev+0x3cf/0x602 [ 2177.330056] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2177.348023] [] ext4_mount+0x3c/0x3e [ 2177.364254] [] mount_fs+0xd0/0x2ca [ 2177.379176] [] vfs_kern_mount+0xa0/0x20a [ 2177.397145] [] do_mount+0x11fe/0x19df [ 2177.410913] [] ? kasan_kmalloc+0x94/0xa3 [ 2177.424946] [] ? copy_mount_string+0x3d/0x3d [ 2177.444144] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2177.462951] [] ? __check_object_size+0x1e1/0x2b8 [ 2177.479936] [] ? 0xffffffffb1c002b8 [ 2177.494774] [] ? copy_mount_options+0x23d/0x24d [ 2177.513744] [] SyS_mount+0xa3/0xda [ 2177.525990] [] mount_block_root+0x2fc/0x650 [ 2177.545011] [] ? init_rootfs+0x99/0x99 [ 2177.559951] [] ? security_file_ioctl+0xa5/0xb4 [ 2177.579549] [] ? SyS_mknod+0x2f/0x36 [ 2177.595774] [] mount_root+0x45/0x48 [ 2177.610869] [] prepare_namespace+0x1cf/0x235 [ 2177.627217] [] kernel_init_freeable+0x4fa/0x518 [ 2177.647135] [] kernel_init+0x16/0x181 [ 2177.664061] [] ret_from_fork+0x1f/0x40 [ 2177.678595] [] ? rest_init+0x8f/0x8f [ 2177.695650] ================================================================================ [ 2177.719563] ================================================================================ [ 2177.744261] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2177.759695] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2177.785533] which requires 64 byte alignment [ 2177.798413] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2177.814984] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2177.840229] 00000000ffffffff 00000000b1a89c60 ffff88005c9df730 ffffffffb26ec5cc [ 2177.863566] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2177.883553] ffff880000000010 ffff88005c9df758 ffff88005c9df708 ffffffffb363c3e0 [ 2177.905890] Call Trace: [ 2177.912988] [] dump_stack+0xd7/0x132 [ 2177.926425] [] ? arch_local_irq_restore+0x1b/0x1b [ 2177.946826] [] ubsan_epilogue+0x12/0x53 [ 2177.965662] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2177.983930] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2178.003490] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2178.023252] [] ext4_setup_super+0x4dc/0x632 [ 2178.041703] [] ext4_fill_super+0x78e0/0xa2df [ 2178.058810] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2178.076954] [] ? vsnprintf+0x1a0/0xa32 [ 2178.094157] [] ? pointer+0x7a9/0x7a9 [ 2178.107368] [] ? set_bdev_super+0x15d/0x15d [ 2178.128739] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2178.146704] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2178.166987] [] ? scnprintf+0xf3/0xf3 [ 2178.185253] [] mount_bdev+0x3cf/0x602 [ 2178.200693] [] ? mount_bdev+0x3cf/0x602 [ 2178.217232] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2178.234878] [] ext4_mount+0x3c/0x3e [ 2178.248124] [] mount_fs+0xd0/0x2ca [ 2178.262510] [] vfs_kern_mount+0xa0/0x20a [ 2178.278012] [] do_mount+0x11fe/0x19df [ 2178.293397] [] ? kasan_kmalloc+0x94/0xa3 [ 2178.310024] [] ? copy_mount_string+0x3d/0x3d [ 2178.325266] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2178.343005] [] ? __check_object_size+0x1e1/0x2b8 [ 2178.359962] [] ? 0xffffffffb1c002b8 [ 2178.372262] [] ? copy_mount_options+0x23d/0x24d [ 2178.388795] [] SyS_mount+0xa3/0xda [ 2178.402124] [] mount_block_root+0x2fc/0x650 [ 2178.417748] [] ? init_rootfs+0x99/0x99 [ 2178.431918] [] ? security_file_ioctl+0xa5/0xb4 [ 2178.449270] [] ? SyS_mknod+0x2f/0x36 [ 2178.465706] [] mount_root+0x45/0x48 [ 2178.479332] [] prepare_namespace+0x1cf/0x235 [ 2178.499053] [] kernel_init_freeable+0x4fa/0x518 [ 2178.515281] [] kernel_init+0x16/0x181 [ 2178.527964] [] ret_from_fork+0x1f/0x40 [ 2178.541903] [] ? rest_init+0x8f/0x8f [ 2178.556785] ================================================================================ [ 2178.584614] ================================================================================ [ 2178.612749] UBSAN: Undefined behaviour in fs/ext4/super.c:2094:6 [ 2178.630552] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2178.657346] which requires 64 byte alignment [ 2178.669394] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2178.686274] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2178.711815] 00000000ffffffff 00000000b1a89c60 ffff88005c9df730 ffffffffb26ec5cc [ 2178.735158] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2178.758359] ffff880000000010 ffff88005c9df758 ffff88005c9df708 ffffffffb363c3e0 [ 2178.779578] Call Trace: [ 2178.787174] [] dump_stack+0xd7/0x132 [ 2178.801693] [] ? arch_local_irq_restore+0x1b/0x1b [ 2178.822017] [] ubsan_epilogue+0x12/0x53 [ 2178.837931] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2178.854617] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2178.875890] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2178.895517] [] ext4_setup_super+0x50a/0x632 [ 2178.912276] [] ext4_fill_super+0x78e0/0xa2df [ 2178.927244] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2178.945764] [] ? vsnprintf+0x1a0/0xa32 [ 2178.963633] [] ? pointer+0x7a9/0x7a9 [ 2178.979669] [] ? set_bdev_super+0x15d/0x15d [ 2178.995970] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2179.014800] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2179.036644] [] ? scnprintf+0xf3/0xf3 [ 2179.054440] [] mount_bdev+0x3cf/0x602 [ 2179.072167] [] ? mount_bdev+0x3cf/0x602 [ 2179.086394] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2179.106999] [] ext4_mount+0x3c/0x3e [ 2179.123170] [] mount_fs+0xd0/0x2ca [ 2179.138869] [] vfs_kern_mount+0xa0/0x20a [ 2179.156097] [] do_mount+0x11fe/0x19df [ 2179.169869] [] ? kasan_kmalloc+0x94/0xa3 [ 2179.188768] [] ? copy_mount_string+0x3d/0x3d [ 2179.207440] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2179.224589] [] ? __check_object_size+0x1e1/0x2b8 [ 2179.242900] [] ? 0xffffffffb1c002b8 [ 2179.257181] [] ? copy_mount_options+0x23d/0x24d [ 2179.274585] [] SyS_mount+0xa3/0xda [ 2179.288268] [] mount_block_root+0x2fc/0x650 [ 2179.304446] [] ? init_rootfs+0x99/0x99 [ 2179.318476] [] ? security_file_ioctl+0xa5/0xb4 [ 2179.334519] [] ? SyS_mknod+0x2f/0x36 [ 2179.347800] [] mount_root+0x45/0x48 [ 2179.362478] [] prepare_namespace+0x1cf/0x235 [ 2179.376578] [] kernel_init_freeable+0x4fa/0x518 [ 2179.396526] [] kernel_init+0x16/0x181 [ 2179.411493] [] ret_from_fork+0x1f/0x40 [ 2179.425460] [] ? rest_init+0x8f/0x8f [ 2179.442108] ================================================================================ [ 2179.468473] ================================================================================ [ 2179.495232] UBSAN: Undefined behaviour in mm/cleancache.c:123:24 [ 2179.510804] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2179.536465] which requires 64 byte alignment [ 2179.549060] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2179.566677] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2179.592494] 00000000ffffffff 00000000b1a89c60 ffff88005c9df708 ffffffffb26ec5cc [ 2179.616170] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2179.641057] ffff880000000010 ffff88005c9df730 ffff88005c9df6e0 ffffffffb363c3e0 [ 2179.671592] Call Trace: [ 2179.679273] [] dump_stack+0xd7/0x132 [ 2179.699658] [] ? arch_local_irq_restore+0x1b/0x1b [ 2179.735982] [] ubsan_epilogue+0x12/0x53 [ 2179.761657] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2179.793584] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2179.826499] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2179.855401] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2179.876679] [] __cleancache_init_fs+0x7d/0x97 [ 2179.895814] [] ext4_setup_super+0x620/0x632 [ 2179.912970] [] ext4_fill_super+0x78e0/0xa2df [ 2179.927724] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2179.947160] [] ? vsnprintf+0x1a0/0xa32 [ 2179.964096] [] ? pointer+0x7a9/0x7a9 [ 2179.979118] [] ? set_bdev_super+0x15d/0x15d [ 2179.995844] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2180.015915] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2180.041988] [] ? scnprintf+0xf3/0xf3 [ 2180.057531] [] mount_bdev+0x3cf/0x602 [ 2180.073138] [] ? mount_bdev+0x3cf/0x602 [ 2180.088744] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2180.108579] [] ext4_mount+0x3c/0x3e [ 2180.123279] [] mount_fs+0xd0/0x2ca [ 2180.140631] [] vfs_kern_mount+0xa0/0x20a [ 2180.157203] [] do_mount+0x11fe/0x19df [ 2180.170755] [] ? kasan_kmalloc+0x94/0xa3 [ 2180.186701] [] ? copy_mount_string+0x3d/0x3d [ 2180.203936] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2180.220994] [] ? __check_object_size+0x1e1/0x2b8 [ 2180.238749] [] ? 0xffffffffb1c002b8 [ 2180.254395] [] ? copy_mount_options+0x23d/0x24d [ 2180.271426] [] SyS_mount+0xa3/0xda [ 2180.286609] [] mount_block_root+0x2fc/0x650 [ 2180.303736] [] ? init_rootfs+0x99/0x99 [ 2180.319377] [] ? security_file_ioctl+0xa5/0xb4 [ 2180.338240] [] ? SyS_mknod+0x2f/0x36 [ 2180.354590] [] mount_root+0x45/0x48 [ 2180.368073] [] prepare_namespace+0x1cf/0x235 [ 2180.386529] [] kernel_init_freeable+0x4fa/0x518 [ 2180.403556] [] kernel_init+0x16/0x181 [ 2180.420509] [] ret_from_fork+0x1f/0x40 [ 2180.434108] [] ? rest_init+0x8f/0x8f [ 2180.449729] ================================================================================ [ 2180.477780] ================================================================================ [ 2180.501546] UBSAN: Undefined behaviour in fs/ext4/super.c:4034:9 [ 2180.518674] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2180.544522] which requires 64 byte alignment [ 2180.556406] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2180.572186] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2180.596834] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2180.620187] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2180.645546] ffff880000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2180.683730] Call Trace: [ 2180.691365] [] dump_stack+0xd7/0x132 [ 2180.708340] [] ? arch_local_irq_restore+0x1b/0x1b [ 2180.725089] [] ubsan_epilogue+0x12/0x53 [ 2180.743818] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2180.766186] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2180.786821] [] ? ext4_setup_super+0x620/0x632 [ 2180.802607] [] ext4_fill_super+0x7954/0xa2df [ 2180.821028] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2180.841647] [] ? vsnprintf+0x1a0/0xa32 [ 2180.858359] [] ? pointer+0x7a9/0x7a9 [ 2180.876828] [] ? set_bdev_super+0x15d/0x15d [ 2180.896106] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2180.915440] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2180.935664] [] ? scnprintf+0xf3/0xf3 [ 2180.950695] [] mount_bdev+0x3cf/0x602 [ 2180.965257] [] ? mount_bdev+0x3cf/0x602 [ 2180.980369] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2181.001462] [] ext4_mount+0x3c/0x3e [ 2181.017959] [] mount_fs+0xd0/0x2ca [ 2181.032649] [] vfs_kern_mount+0xa0/0x20a [ 2181.047823] [] do_mount+0x11fe/0x19df [ 2181.062808] [] ? kasan_kmalloc+0x94/0xa3 [ 2181.081492] [] ? copy_mount_string+0x3d/0x3d [ 2181.100627] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2181.117684] [] ? __check_object_size+0x1e1/0x2b8 [ 2181.137801] [] ? 0xffffffffb1c002b8 [ 2181.154970] [] ? copy_mount_options+0x23d/0x24d [ 2181.170806] [] SyS_mount+0xa3/0xda [ 2181.186702] [] mount_block_root+0x2fc/0x650 [ 2181.203259] [] ? init_rootfs+0x99/0x99 [ 2181.220285] [] ? security_file_ioctl+0xa5/0xb4 [ 2181.239544] [] ? SyS_mknod+0x2f/0x36 [ 2181.257011] [] mount_root+0x45/0x48 [ 2181.272079] [] prepare_namespace+0x1cf/0x235 [ 2181.291612] [] kernel_init_freeable+0x4fa/0x518 [ 2181.309850] [] kernel_init+0x16/0x181 [ 2181.323393] [] ret_from_fork+0x1f/0x40 [ 2181.339647] [] ? rest_init+0x8f/0x8f [ 2181.356308] ================================================================================ [ 2181.387244] ================================================================================ [ 2181.415058] UBSAN: Undefined behaviour in fs/ext4/super.c:4035:27 [ 2181.430704] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2181.456353] which requires 64 byte alignment [ 2181.468858] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2181.484826] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2181.516841] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2181.536284] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2181.559921] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2181.581648] Call Trace: [ 2181.587719] [] dump_stack+0xd7/0x132 [ 2181.603454] [] ? arch_local_irq_restore+0x1b/0x1b [ 2181.621704] [] ubsan_epilogue+0x12/0x53 [ 2181.638454] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2181.661266] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2181.682981] [] ? ext4_setup_super+0x620/0x632 [ 2181.699489] [] ext4_fill_super+0x7993/0xa2df [ 2181.718612] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2181.736989] [] ? vsnprintf+0x1a0/0xa32 [ 2181.751721] [] ? pointer+0x7a9/0x7a9 [ 2181.767254] [] ? set_bdev_super+0x15d/0x15d [ 2181.787217] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2181.805540] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2181.825827] [] ? scnprintf+0xf3/0xf3 [ 2181.841579] [] mount_bdev+0x3cf/0x602 [ 2181.857376] [] ? mount_bdev+0x3cf/0x602 [ 2181.874380] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2181.894152] [] ext4_mount+0x3c/0x3e [ 2181.907668] [] mount_fs+0xd0/0x2ca [ 2181.923059] [] vfs_kern_mount+0xa0/0x20a [ 2181.940035] [] do_mount+0x11fe/0x19df [ 2181.955014] [] ? kasan_kmalloc+0x94/0xa3 [ 2181.969659] [] ? copy_mount_string+0x3d/0x3d [ 2181.986980] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2182.004845] [] ? __check_object_size+0x1e1/0x2b8 [ 2182.022899] [] ? 0xffffffffb1c002b8 [ 2182.039891] [] ? copy_mount_options+0x23d/0x24d [ 2182.056446] [] SyS_mount+0xa3/0xda [ 2182.068961] [] mount_block_root+0x2fc/0x650 [ 2182.086755] [] ? init_rootfs+0x99/0x99 [ 2182.105186] [] ? security_file_ioctl+0xa5/0xb4 [ 2182.123512] [] ? SyS_mknod+0x2f/0x36 [ 2182.140558] [] mount_root+0x45/0x48 [ 2182.158435] [] prepare_namespace+0x1cf/0x235 [ 2182.177843] [] kernel_init_freeable+0x4fa/0x518 [ 2182.197105] [] kernel_init+0x16/0x181 [ 2182.215048] [] ret_from_fork+0x1f/0x40 [ 2182.228052] [] ? rest_init+0x8f/0x8f [ 2182.246756] ================================================================================ [ 2182.275021] ================================================================================ [ 2182.299212] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2182.318206] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2182.342654] which requires 64 byte alignment [ 2182.359513] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2182.377975] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2182.404981] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2182.429454] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2182.456576] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2182.481419] Call Trace: [ 2182.487422] [] dump_stack+0xd7/0x132 [ 2182.505000] [] ? arch_local_irq_restore+0x1b/0x1b [ 2182.522637] [] ubsan_epilogue+0x12/0x53 [ 2182.539083] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2182.560318] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2182.581082] [] ? ext4_setup_super+0x620/0x632 [ 2182.598634] [] ext4_fill_super+0x79c4/0xa2df [ 2182.618774] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2182.638578] [] ? vsnprintf+0x1a0/0xa32 [ 2182.656998] [] ? pointer+0x7a9/0x7a9 [ 2182.670519] [] ? set_bdev_super+0x15d/0x15d [ 2182.688946] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2182.709928] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2182.732234] [] ? scnprintf+0xf3/0xf3 [ 2182.747133] [] mount_bdev+0x3cf/0x602 [ 2182.761633] [] ? mount_bdev+0x3cf/0x602 [ 2182.778153] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2182.798565] [] ext4_mount+0x3c/0x3e [ 2182.814964] [] mount_fs+0xd0/0x2ca [ 2182.827937] [] vfs_kern_mount+0xa0/0x20a [ 2182.843894] [] do_mount+0x11fe/0x19df [ 2182.856583] [] ? kasan_kmalloc+0x94/0xa3 [ 2182.872953] [] ? copy_mount_string+0x3d/0x3d [ 2182.890721] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2182.909987] [] ? __check_object_size+0x1e1/0x2b8 [ 2182.929887] [] ? 0xffffffffb1c002b8 [ 2182.946027] [] ? copy_mount_options+0x23d/0x24d [ 2182.966390] [] SyS_mount+0xa3/0xda [ 2182.983065] [] mount_block_root+0x2fc/0x650 [ 2182.998218] [] ? init_rootfs+0x99/0x99 [ 2183.014868] [] ? security_file_ioctl+0xa5/0xb4 [ 2183.032108] [] ? SyS_mknod+0x2f/0x36 [ 2183.045395] [] mount_root+0x45/0x48 [ 2183.060445] [] prepare_namespace+0x1cf/0x235 [ 2183.076987] [] kernel_init_freeable+0x4fa/0x518 [ 2183.095202] [] kernel_init+0x16/0x181 [ 2183.111083] [] ret_from_fork+0x1f/0x40 [ 2183.125327] [] ? rest_init+0x8f/0x8f [ 2183.143013] ================================================================================ [ 2183.165753] ================================================================================ [ 2183.191665] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1768:1 [ 2183.206706] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2183.232362] which requires 64 byte alignment [ 2183.244839] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2183.262635] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2183.289751] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2183.312590] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2183.333074] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2183.358386] Call Trace: [ 2183.365769] [] dump_stack+0xd7/0x132 [ 2183.384001] [] ? arch_local_irq_restore+0x1b/0x1b [ 2183.408500] [] ubsan_epilogue+0x12/0x53 [ 2183.422048] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2183.449709] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2183.470096] [] ? ext4_setup_super+0x620/0x632 [ 2183.485803] [] ext4_fill_super+0x79f0/0xa2df [ 2183.503131] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2183.521796] [] ? vsnprintf+0x1a0/0xa32 [ 2183.538250] [] ? pointer+0x7a9/0x7a9 [ 2183.551548] [] ? set_bdev_super+0x15d/0x15d [ 2183.567406] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2183.587748] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2183.606857] [] ? scnprintf+0xf3/0xf3 [ 2183.623718] [] mount_bdev+0x3cf/0x602 [ 2183.640547] [] ? mount_bdev+0x3cf/0x602 [ 2183.655992] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2183.674699] [] ext4_mount+0x3c/0x3e [ 2183.689834] [] mount_fs+0xd0/0x2ca [ 2183.701744] [] vfs_kern_mount+0xa0/0x20a [ 2183.718132] [] do_mount+0x11fe/0x19df [ 2183.733823] [] ? kasan_kmalloc+0x94/0xa3 [ 2183.749522] [] ? copy_mount_string+0x3d/0x3d [ 2183.767351] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2183.785270] [] ? __check_object_size+0x1e1/0x2b8 [ 2183.805243] [] ? 0xffffffffb1c002b8 [ 2183.822065] [] ? copy_mount_options+0x23d/0x24d [ 2183.838821] [] SyS_mount+0xa3/0xda [ 2183.853771] [] mount_block_root+0x2fc/0x650 [ 2183.870627] [] ? init_rootfs+0x99/0x99 [ 2183.888003] [] ? security_file_ioctl+0xa5/0xb4 [ 2183.906174] [] ? SyS_mknod+0x2f/0x36 [ 2183.921149] [] mount_root+0x45/0x48 [ 2183.936125] [] prepare_namespace+0x1cf/0x235 [ 2183.954116] [] kernel_init_freeable+0x4fa/0x518 [ 2183.969514] [] kernel_init+0x16/0x181 [ 2183.986113] [] ret_from_fork+0x1f/0x40 [ 2184.001199] [] ? rest_init+0x8f/0x8f [ 2184.018264] ================================================================================ [ 2184.041607] ================================================================================ [ 2184.063954] UBSAN: Undefined behaviour in fs/ext4/super.c:4038:11 [ 2184.082853] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2184.106323] which requires 64 byte alignment [ 2184.119993] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2184.139071] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2184.164371] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2184.190001] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2184.215516] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2184.234955] Call Trace: [ 2184.241273] [] dump_stack+0xd7/0x132 [ 2184.256872] [] ? arch_local_irq_restore+0x1b/0x1b [ 2184.276150] [] ubsan_epilogue+0x12/0x53 [ 2184.290043] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2184.309656] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2184.328800] [] ? ext4_setup_super+0x620/0x632 [ 2184.343434] [] ext4_fill_super+0x7a48/0xa2df [ 2184.362009] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2184.381082] [] ? vsnprintf+0x1a0/0xa32 [ 2184.397289] [] ? pointer+0x7a9/0x7a9 [ 2184.412023] [] ? set_bdev_super+0x15d/0x15d [ 2184.426860] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2184.446042] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2184.465948] [] ? scnprintf+0xf3/0xf3 [ 2184.480938] [] mount_bdev+0x3cf/0x602 [ 2184.496260] [] ? mount_bdev+0x3cf/0x602 [ 2184.513816] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2184.533590] [] ext4_mount+0x3c/0x3e [ 2184.547211] [] mount_fs+0xd0/0x2ca [ 2184.566170] [] vfs_kern_mount+0xa0/0x20a [ 2184.580742] [] do_mount+0x11fe/0x19df [ 2184.596050] [] ? kasan_kmalloc+0x94/0xa3 [ 2184.611268] [] ? copy_mount_string+0x3d/0x3d [ 2184.627369] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2184.646405] [] ? __check_object_size+0x1e1/0x2b8 [ 2184.666982] [] ? 0xffffffffb1c002b8 [ 2184.682585] [] ? copy_mount_options+0x23d/0x24d [ 2184.700553] [] SyS_mount+0xa3/0xda [ 2184.716063] [] mount_block_root+0x2fc/0x650 [ 2184.731026] [] ? init_rootfs+0x99/0x99 [ 2184.745426] [] ? security_file_ioctl+0xa5/0xb4 [ 2184.759479] [] ? SyS_mknod+0x2f/0x36 [ 2184.775987] [] mount_root+0x45/0x48 [ 2184.790806] [] prepare_namespace+0x1cf/0x235 [ 2184.808710] [] kernel_init_freeable+0x4fa/0x518 [ 2184.827943] [] kernel_init+0x16/0x181 [ 2184.840992] [] ret_from_fork+0x1f/0x40 [ 2184.856600] [] ? rest_init+0x8f/0x8f [ 2184.873071] ================================================================================ [ 2184.899004] ================================================================================ [ 2184.929704] UBSAN: Undefined behaviour in fs/ext4/super.c:4042:11 [ 2184.946446] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2184.973693] which requires 64 byte alignment [ 2184.986622] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2185.005501] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2185.035063] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2185.057672] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2185.091633] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2185.114697] Call Trace: [ 2185.120555] [] dump_stack+0xd7/0x132 [ 2185.136105] [] ? arch_local_irq_restore+0x1b/0x1b [ 2185.152033] [] ubsan_epilogue+0x12/0x53 [ 2185.167150] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2185.186849] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2185.209792] [] ? ext4_setup_super+0x620/0x632 [ 2185.226590] [] ext4_fill_super+0x7ada/0xa2df [ 2185.242237] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2185.263957] [] ? vsnprintf+0x1a0/0xa32 [ 2185.279812] [] ? pointer+0x7a9/0x7a9 [ 2185.293471] [] ? set_bdev_super+0x15d/0x15d [ 2185.321340] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2185.340930] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2185.366056] [] ? scnprintf+0xf3/0xf3 [ 2185.384774] [] mount_bdev+0x3cf/0x602 [ 2185.407271] [] ? mount_bdev+0x3cf/0x602 [ 2185.423129] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2185.443287] [] ext4_mount+0x3c/0x3e [ 2185.457570] [] mount_fs+0xd0/0x2ca [ 2185.474405] [] vfs_kern_mount+0xa0/0x20a [ 2185.489558] [] do_mount+0x11fe/0x19df [ 2185.506557] [] ? kasan_kmalloc+0x94/0xa3 [ 2185.522190] [] ? copy_mount_string+0x3d/0x3d [ 2185.539236] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2185.556945] [] ? __check_object_size+0x1e1/0x2b8 [ 2185.574223] [] ? 0xffffffffb1c002b8 [ 2185.587907] [] ? copy_mount_options+0x23d/0x24d [ 2185.604201] [] SyS_mount+0xa3/0xda [ 2185.618697] [] mount_block_root+0x2fc/0x650 [ 2185.637103] [] ? init_rootfs+0x99/0x99 [ 2185.653793] [] ? security_file_ioctl+0xa5/0xb4 [ 2185.673796] [] ? SyS_mknod+0x2f/0x36 [ 2185.690202] [] mount_root+0x45/0x48 [ 2185.706577] [] prepare_namespace+0x1cf/0x235 [ 2185.722929] [] kernel_init_freeable+0x4fa/0x518 [ 2185.739701] [] kernel_init+0x16/0x181 [ 2185.757375] [] ret_from_fork+0x1f/0x40 [ 2185.773645] [] ? rest_init+0x8f/0x8f [ 2185.790002] ================================================================================ [ 2185.825552] ================================================================================ [ 2185.849322] UBSAN: Undefined behaviour in fs/ext4/super.c:4049:36 [ 2185.865920] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2185.890203] which requires 64 byte alignment [ 2185.901705] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2185.918549] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2185.946295] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2185.967965] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2185.992182] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2186.014604] Call Trace: [ 2186.021130] [] dump_stack+0xd7/0x132 [ 2186.036943] [] ? arch_local_irq_restore+0x1b/0x1b [ 2186.057868] [] ubsan_epilogue+0x12/0x53 [ 2186.073650] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2186.092499] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2186.113505] [] ? ext4_setup_super+0x620/0x632 [ 2186.130264] [] ext4_fill_super+0x7b7c/0xa2df [ 2186.157166] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2186.177695] [] ? vsnprintf+0x1a0/0xa32 [ 2186.196529] [] ? pointer+0x7a9/0x7a9 [ 2186.213349] [] ? set_bdev_super+0x15d/0x15d [ 2186.228489] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2186.247877] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2186.268957] [] ? scnprintf+0xf3/0xf3 [ 2186.288792] [] mount_bdev+0x3cf/0x602 [ 2186.316635] [] ? mount_bdev+0x3cf/0x602 [ 2186.332990] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2186.353063] [] ext4_mount+0x3c/0x3e [ 2186.373142] [] mount_fs+0xd0/0x2ca [ 2186.393656] [] vfs_kern_mount+0xa0/0x20a [ 2186.409063] [] do_mount+0x11fe/0x19df [ 2186.424382] [] ? kasan_kmalloc+0x94/0xa3 [ 2186.441002] [] ? copy_mount_string+0x3d/0x3d [ 2186.467197] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2186.486248] [] ? __check_object_size+0x1e1/0x2b8 [ 2186.503806] [] ? 0xffffffffb1c002b8 [ 2186.520125] [] ? copy_mount_options+0x23d/0x24d [ 2186.538143] [] SyS_mount+0xa3/0xda [ 2186.552869] [] mount_block_root+0x2fc/0x650 [ 2186.572751] [] ? init_rootfs+0x99/0x99 [ 2186.588820] [] ? security_file_ioctl+0xa5/0xb4 [ 2186.606650] [] ? SyS_mknod+0x2f/0x36 [ 2186.622174] [] mount_root+0x45/0x48 [ 2186.640112] [] prepare_namespace+0x1cf/0x235 [ 2186.658648] [] kernel_init_freeable+0x4fa/0x518 [ 2186.675191] [] kernel_init+0x16/0x181 [ 2186.691812] [] ret_from_fork+0x1f/0x40 [ 2186.708912] [] ? rest_init+0x8f/0x8f [ 2186.723664] ================================================================================ [ 2186.753718] ================================================================================ [ 2186.776928] UBSAN: Undefined behaviour in fs/ext4/super.c:4050:11 [ 2186.794648] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2186.819363] which requires 64 byte alignment [ 2186.831042] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2186.847747] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2186.881610] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2186.914672] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2186.934958] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2186.960590] Call Trace: [ 2186.966704] [] dump_stack+0xd7/0x132 [ 2186.981691] [] ? arch_local_irq_restore+0x1b/0x1b [ 2186.999262] [] ubsan_epilogue+0x12/0x53 [ 2187.014687] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2187.033190] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2187.067610] [] ? ext4_setup_super+0x620/0x632 [ 2187.085551] [] ext4_fill_super+0x7baf/0xa2df [ 2187.103933] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2187.126965] [] ? vsnprintf+0x1a0/0xa32 [ 2187.143884] [] ? pointer+0x7a9/0x7a9 [ 2187.159970] [] ? set_bdev_super+0x15d/0x15d [ 2187.174792] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2187.196929] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2187.217674] [] ? scnprintf+0xf3/0xf3 [ 2187.230639] [] mount_bdev+0x3cf/0x602 [ 2187.245156] [] ? mount_bdev+0x3cf/0x602 [ 2187.262713] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2187.281193] [] ext4_mount+0x3c/0x3e [ 2187.296890] [] mount_fs+0xd0/0x2ca [ 2187.309655] [] vfs_kern_mount+0xa0/0x20a [ 2187.385844] [] do_mount+0x11fe/0x19df [ 2187.400773] [] ? kasan_kmalloc+0x94/0xa3 [ 2187.416209] [] ? copy_mount_string+0x3d/0x3d [ 2187.433591] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2187.449614] [] ? __check_object_size+0x1e1/0x2b8 [ 2187.467356] [] ? 0xffffffffb1c002b8 [ 2187.484626] [] ? copy_mount_options+0x23d/0x24d [ 2187.500048] [] SyS_mount+0xa3/0xda [ 2187.515859] [] mount_block_root+0x2fc/0x650 [ 2187.532100] [] ? init_rootfs+0x99/0x99 [ 2187.546249] [] ? security_file_ioctl+0xa5/0xb4 [ 2187.566765] [] ? SyS_mknod+0x2f/0x36 [ 2187.582776] [] mount_root+0x45/0x48 [ 2187.596186] [] prepare_namespace+0x1cf/0x235 [ 2187.614475] [] kernel_init_freeable+0x4fa/0x518 [ 2187.634566] [] kernel_init+0x16/0x181 [ 2187.650561] [] ret_from_fork+0x1f/0x40 [ 2187.666190] [] ? rest_init+0x8f/0x8f [ 2187.680811] ================================================================================ [ 2187.708743] ================================================================================ [ 2187.733725] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2187.751800] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2187.776280] which requires 64 byte alignment [ 2187.787110] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2187.804427] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2187.832792] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2187.855062] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2187.877333] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2187.903123] Call Trace: [ 2187.910193] [] dump_stack+0xd7/0x132 [ 2187.925335] [] ? arch_local_irq_restore+0x1b/0x1b [ 2187.941743] [] ubsan_epilogue+0x12/0x53 [ 2187.957974] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2187.976480] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2187.998157] [] ? ext4_setup_super+0x620/0x632 [ 2188.014891] [] ext4_fill_super+0x7c13/0xa2df [ 2188.035348] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2188.052896] [] ? vsnprintf+0x1a0/0xa32 [ 2188.071490] [] ? pointer+0x7a9/0x7a9 [ 2188.088147] [] ? set_bdev_super+0x15d/0x15d [ 2188.104927] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2188.129418] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2188.150530] [] ? scnprintf+0xf3/0xf3 [ 2188.167355] [] mount_bdev+0x3cf/0x602 [ 2188.183057] [] ? mount_bdev+0x3cf/0x602 [ 2188.203309] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2188.223612] [] ext4_mount+0x3c/0x3e [ 2188.239106] [] mount_fs+0xd0/0x2ca [ 2188.253738] [] vfs_kern_mount+0xa0/0x20a [ 2188.268455] [] do_mount+0x11fe/0x19df [ 2188.285175] [] ? kasan_kmalloc+0x94/0xa3 [ 2188.300836] [] ? copy_mount_string+0x3d/0x3d [ 2188.318459] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2188.335758] [] ? __check_object_size+0x1e1/0x2b8 [ 2188.353342] [] ? 0xffffffffb1c002b8 [ 2188.367013] [] ? copy_mount_options+0x23d/0x24d [ 2188.384088] [] SyS_mount+0xa3/0xda [ 2188.399473] [] mount_block_root+0x2fc/0x650 [ 2188.415660] [] ? init_rootfs+0x99/0x99 [ 2188.431265] [] ? security_file_ioctl+0xa5/0xb4 [ 2188.447036] [] ? SyS_mknod+0x2f/0x36 [ 2188.461421] [] mount_root+0x45/0x48 [ 2188.476404] [] prepare_namespace+0x1cf/0x235 [ 2188.492739] [] kernel_init_freeable+0x4fa/0x518 [ 2188.510428] [] kernel_init+0x16/0x181 [ 2188.526073] [] ret_from_fork+0x1f/0x40 [ 2188.541334] [] ? rest_init+0x8f/0x8f [ 2188.554306] ================================================================================ [ 2188.583775] ================================================================================ [ 2188.616689] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2188.634955] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2188.662711] which requires 64 byte alignment [ 2188.674791] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2188.695432] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2188.722553] 00000000ffffffff 00000000b1a89c60 ffff88005c9df760 ffffffffb26ec5cc [ 2188.745680] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2188.765941] 0000000000000010 ffff88005c9df788 ffff88005c9df738 ffffffffb363c3e0 [ 2188.788332] Call Trace: [ 2188.795453] [] dump_stack+0xd7/0x132 [ 2188.813441] [] ? arch_local_irq_restore+0x1b/0x1b [ 2188.833764] [] ubsan_epilogue+0x12/0x53 [ 2188.847864] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2188.867315] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2188.888228] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2188.911581] [] ext4_has_feature_extents+0x26/0x8d [ 2188.927873] [] ext4_fill_super+0x7c2e/0xa2df [ 2188.946308] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2188.965570] [] ? vsnprintf+0x1a0/0xa32 [ 2188.978962] [] ? pointer+0x7a9/0x7a9 [ 2188.994269] [] ? set_bdev_super+0x15d/0x15d [ 2189.009953] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2189.028568] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2189.048645] [] ? scnprintf+0xf3/0xf3 [ 2189.065583] [] mount_bdev+0x3cf/0x602 [ 2189.078446] [] ? mount_bdev+0x3cf/0x602 [ 2189.093959] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2189.113958] [] ext4_mount+0x3c/0x3e [ 2189.128222] [] mount_fs+0xd0/0x2ca [ 2189.142429] [] vfs_kern_mount+0xa0/0x20a [ 2189.157984] [] do_mount+0x11fe/0x19df [ 2189.172112] [] ? kasan_kmalloc+0x94/0xa3 [ 2189.189038] [] ? copy_mount_string+0x3d/0x3d [ 2189.207568] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2189.223722] [] ? __check_object_size+0x1e1/0x2b8 [ 2189.241013] [] ? 0xffffffffb1c002b8 [ 2189.256133] [] ? copy_mount_options+0x23d/0x24d [ 2189.278872] [] SyS_mount+0xa3/0xda [ 2189.291599] [] mount_block_root+0x2fc/0x650 [ 2189.309700] [] ? init_rootfs+0x99/0x99 [ 2189.325172] [] ? security_file_ioctl+0xa5/0xb4 [ 2189.341359] [] ? SyS_mknod+0x2f/0x36 [ 2189.357693] [] mount_root+0x45/0x48 [ 2189.370749] [] prepare_namespace+0x1cf/0x235 [ 2189.388711] [] kernel_init_freeable+0x4fa/0x518 [ 2189.406665] [] kernel_init+0x16/0x181 [ 2189.422499] [] ret_from_fork+0x1f/0x40 [ 2189.439659] [] ? rest_init+0x8f/0x8f [ 2189.457414] ================================================================================ [ 2189.478661] ================================================================================ [ 2189.502134] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1780:1 [ 2189.519919] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2189.546819] which requires 64 byte alignment [ 2189.556791] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2189.577760] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2189.605739] 00000000ffffffff 00000000b1a89c60 ffff88005c9df760 ffffffffb26ec5cc [ 2189.629090] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2189.652408] ffff880000000010 ffff88005c9df788 ffff88005c9df738 ffffffffb363c3e0 [ 2189.673310] Call Trace: [ 2189.681121] [] dump_stack+0xd7/0x132 [ 2189.695498] [] ? arch_local_irq_restore+0x1b/0x1b [ 2189.714828] [] ubsan_epilogue+0x12/0x53 [ 2189.730093] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2189.748627] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2189.771271] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2189.793499] [] ext4_has_feature_extents+0x52/0x8d [ 2189.810845] [] ext4_fill_super+0x7c2e/0xa2df [ 2189.826144] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2189.843761] [] ? vsnprintf+0x1a0/0xa32 [ 2189.862164] [] ? pointer+0x7a9/0x7a9 [ 2189.875098] [] ? set_bdev_super+0x15d/0x15d [ 2189.893806] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2189.916042] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2189.936292] [] ? scnprintf+0xf3/0xf3 [ 2189.951206] [] mount_bdev+0x3cf/0x602 [ 2189.965773] [] ? mount_bdev+0x3cf/0x602 [ 2189.983675] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2190.002202] [] ext4_mount+0x3c/0x3e [ 2190.017980] [] mount_fs+0xd0/0x2ca [ 2190.031522] [] vfs_kern_mount+0xa0/0x20a [ 2190.049239] [] do_mount+0x11fe/0x19df [ 2190.064611] [] ? kasan_kmalloc+0x94/0xa3 [ 2190.078474] [] ? copy_mount_string+0x3d/0x3d [ 2190.095718] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2190.115706] [] ? __check_object_size+0x1e1/0x2b8 [ 2190.137984] [] ? 0xffffffffb1c002b8 [ 2190.155093] [] ? copy_mount_options+0x23d/0x24d [ 2190.173515] [] SyS_mount+0xa3/0xda [ 2190.188645] [] mount_block_root+0x2fc/0x650 [ 2190.207414] [] ? init_rootfs+0x99/0x99 [ 2190.223572] [] ? security_file_ioctl+0xa5/0xb4 [ 2190.242145] [] ? SyS_mknod+0x2f/0x36 [ 2190.257887] [] mount_root+0x45/0x48 [ 2190.270975] [] prepare_namespace+0x1cf/0x235 [ 2190.287164] [] kernel_init_freeable+0x4fa/0x518 [ 2190.305227] [] kernel_init+0x16/0x181 [ 2190.321682] [] ret_from_fork+0x1f/0x40 [ 2190.337326] [] ? rest_init+0x8f/0x8f [ 2190.351508] ================================================================================ [ 2190.377469] ================================================================================ [ 2190.403150] UBSAN: Undefined behaviour in fs/ext4/super.c:3268:19 [ 2190.420683] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2190.445927] which requires 64 byte alignment [ 2190.461132] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2190.478642] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2190.506381] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2190.530296] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2190.553940] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2190.577506] Call Trace: [ 2190.585409] [] dump_stack+0xd7/0x132 [ 2190.601927] [] ? arch_local_irq_restore+0x1b/0x1b [ 2190.620853] [] ubsan_epilogue+0x12/0x53 [ 2190.637480] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2190.658752] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2190.684791] [] ext4_fill_super+0x7c54/0xa2df [ 2190.702480] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2190.721163] [] ? vsnprintf+0x1a0/0xa32 [ 2190.737648] [] ? pointer+0x7a9/0x7a9 [ 2190.754201] [] ? set_bdev_super+0x15d/0x15d [ 2190.769833] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2190.788926] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2190.812941] [] ? scnprintf+0xf3/0xf3 [ 2190.825887] [] mount_bdev+0x3cf/0x602 [ 2190.842859] [] ? mount_bdev+0x3cf/0x602 [ 2190.862079] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2190.882871] [] ext4_mount+0x3c/0x3e [ 2190.899137] [] mount_fs+0xd0/0x2ca [ 2190.914804] [] vfs_kern_mount+0xa0/0x20a [ 2190.928958] [] do_mount+0x11fe/0x19df [ 2190.944120] [] ? kasan_kmalloc+0x94/0xa3 [ 2190.960546] [] ? copy_mount_string+0x3d/0x3d [ 2190.979895] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2190.996748] [] ? __check_object_size+0x1e1/0x2b8 [ 2191.014276] [] ? 0xffffffffb1c002b8 [ 2191.027040] [] ? copy_mount_options+0x23d/0x24d [ 2191.043217] [] SyS_mount+0xa3/0xda [ 2191.056759] [] mount_block_root+0x2fc/0x650 [ 2191.072407] [] ? init_rootfs+0x99/0x99 [ 2191.089854] [] ? security_file_ioctl+0xa5/0xb4 [ 2191.107832] [] ? SyS_mknod+0x2f/0x36 [ 2191.123503] [] mount_root+0x45/0x48 [ 2191.139230] [] prepare_namespace+0x1cf/0x235 [ 2191.156571] [] kernel_init_freeable+0x4fa/0x518 [ 2191.172305] [] kernel_init+0x16/0x181 [ 2191.189396] [] ret_from_fork+0x1f/0x40 [ 2191.206145] [] ? rest_init+0x8f/0x8f [ 2191.221580] ================================================================================ [ 2191.245592] ================================================================================ [ 2191.270148] UBSAN: Undefined behaviour in fs/ext4/super.c:3269:8 [ 2191.293984] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2191.319612] which requires 64 byte alignment [ 2191.333715] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2191.348744] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2191.378734] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2191.402999] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2191.423759] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2191.445564] Call Trace: [ 2191.452365] [] dump_stack+0xd7/0x132 [ 2191.466040] [] ? arch_local_irq_restore+0x1b/0x1b [ 2191.483309] [] ubsan_epilogue+0x12/0x53 [ 2191.503494] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2191.523363] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2191.543098] [] ext4_fill_super+0x7ce7/0xa2df [ 2191.561341] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2191.581696] [] ? vsnprintf+0x1a0/0xa32 [ 2191.596044] [] ? pointer+0x7a9/0x7a9 [ 2191.613447] [] ? set_bdev_super+0x15d/0x15d [ 2191.631790] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2191.652350] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2191.670453] [] ? scnprintf+0xf3/0xf3 [ 2191.695268] [] mount_bdev+0x3cf/0x602 [ 2191.714416] [] ? mount_bdev+0x3cf/0x602 [ 2191.729130] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2191.747759] [] ext4_mount+0x3c/0x3e [ 2191.763132] [] mount_fs+0xd0/0x2ca [ 2191.779927] [] vfs_kern_mount+0xa0/0x20a [ 2191.798564] [] do_mount+0x11fe/0x19df [ 2191.815623] [] ? kasan_kmalloc+0x94/0xa3 [ 2191.831252] [] ? copy_mount_string+0x3d/0x3d [ 2191.847842] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2191.867476] [] ? __check_object_size+0x1e1/0x2b8 [ 2191.887444] [] ? 0xffffffffb1c002b8 [ 2191.901494] [] ? copy_mount_options+0x23d/0x24d [ 2191.921516] [] SyS_mount+0xa3/0xda [ 2191.936630] [] mount_block_root+0x2fc/0x650 [ 2191.951431] [] ? init_rootfs+0x99/0x99 [ 2191.967500] [] ? security_file_ioctl+0xa5/0xb4 [ 2191.984828] [] ? SyS_mknod+0x2f/0x36 [ 2192.001592] [] mount_root+0x45/0x48 [ 2192.018300] [] prepare_namespace+0x1cf/0x235 [ 2192.035562] [] kernel_init_freeable+0x4fa/0x518 [ 2192.051603] [] kernel_init+0x16/0x181 [ 2192.064903] [] ret_from_fork+0x1f/0x40 [ 2192.081164] [] ? rest_init+0x8f/0x8f [ 2192.098697] ================================================================================ [ 2192.122136] ================================================================================ [ 2192.146313] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2192.163525] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2192.189958] which requires 64 byte alignment [ 2192.203698] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2192.220205] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2192.250893] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 2192.271803] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2192.295186] ffffffff00000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 2192.317646] Call Trace: [ 2192.323519] [] dump_stack+0xd7/0x132 [ 2192.339789] [] ? arch_local_irq_restore+0x1b/0x1b [ 2192.359048] [] ubsan_epilogue+0x12/0x53 [ 2192.375120] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2192.394535] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2192.413186] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2192.434448] [] ext4_setup_system_zone+0x37/0x5a1 [ 2192.454307] [] ext4_fill_super+0x7d92/0xa2df [ 2192.472130] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2192.492534] [] ? vsnprintf+0x1a0/0xa32 [ 2192.506722] [] ? pointer+0x7a9/0x7a9 [ 2192.524811] [] ? set_bdev_super+0x15d/0x15d [ 2192.543796] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2192.563922] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2192.588370] [] ? scnprintf+0xf3/0xf3 [ 2192.605343] [] mount_bdev+0x3cf/0x602 [ 2192.620371] [] ? mount_bdev+0x3cf/0x602 [ 2192.638875] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2192.658404] [] ext4_mount+0x3c/0x3e [ 2192.670718] [] mount_fs+0xd0/0x2ca [ 2192.685736] [] vfs_kern_mount+0xa0/0x20a [ 2192.702761] [] do_mount+0x11fe/0x19df [ 2192.716832] [] ? kasan_kmalloc+0x94/0xa3 [ 2192.734166] [] ? copy_mount_string+0x3d/0x3d [ 2192.757275] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2192.778236] [] ? __check_object_size+0x1e1/0x2b8 [ 2192.798679] [] ? 0xffffffffb1c002b8 [ 2192.815370] [] ? copy_mount_options+0x23d/0x24d [ 2192.831839] [] SyS_mount+0xa3/0xda [ 2192.844477] [] mount_block_root+0x2fc/0x650 [ 2192.862748] [] ? init_rootfs+0x99/0x99 [ 2192.878264] [] ? security_file_ioctl+0xa5/0xb4 [ 2192.897791] [] ? SyS_mknod+0x2f/0x36 [ 2192.911560] [] mount_root+0x45/0x48 [ 2192.928221] [] prepare_namespace+0x1cf/0x235 [ 2192.945067] [] kernel_init_freeable+0x4fa/0x518 [ 2192.963344] [] kernel_init+0x16/0x181 [ 2192.979856] [] ret_from_fork+0x1f/0x40 [ 2192.999894] [] ? rest_init+0x8f/0x8f [ 2193.012547] ================================================================================ [ 2193.036954] ================================================================================ [ 2193.059042] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2827:15 [ 2193.078343] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2193.103921] which requires 64 byte alignment [ 2193.117459] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2193.136343] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2193.162618] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 2193.183219] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2193.207187] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 2193.230627] Call Trace: [ 2193.236374] [] dump_stack+0xd7/0x132 [ 2193.248760] [] ? arch_local_irq_restore+0x1b/0x1b [ 2193.266173] [] ubsan_epilogue+0x12/0x53 [ 2193.281234] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2193.300676] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2193.320183] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2193.340260] [] ext4_setup_system_zone+0x6b/0x5a1 [ 2193.358348] [] ext4_fill_super+0x7d92/0xa2df [ 2193.373092] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2193.389819] [] ? vsnprintf+0x1a0/0xa32 [ 2193.403783] [] ? pointer+0x7a9/0x7a9 [ 2193.416992] [] ? set_bdev_super+0x15d/0x15d [ 2193.430212] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2193.451210] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2193.474259] [] ? scnprintf+0xf3/0xf3 [ 2193.489121] [] mount_bdev+0x3cf/0x602 [ 2193.502276] [] ? mount_bdev+0x3cf/0x602 [ 2193.516624] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2193.535884] [] ext4_mount+0x3c/0x3e [ 2193.550433] [] mount_fs+0xd0/0x2ca [ 2193.562429] [] vfs_kern_mount+0xa0/0x20a [ 2193.578972] [] do_mount+0x11fe/0x19df [ 2193.593486] [] ? kasan_kmalloc+0x94/0xa3 [ 2193.610186] [] ? copy_mount_string+0x3d/0x3d [ 2193.625215] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2193.642673] [] ? __check_object_size+0x1e1/0x2b8 [ 2193.660476] [] ? 0xffffffffb1c002b8 [ 2193.677572] [] ? copy_mount_options+0x23d/0x24d [ 2193.698211] [] SyS_mount+0xa3/0xda [ 2193.718763] [] mount_block_root+0x2fc/0x650 [ 2193.735618] [] ? init_rootfs+0x99/0x99 [ 2193.753400] [] ? security_file_ioctl+0xa5/0xb4 [ 2193.771073] [] ? SyS_mknod+0x2f/0x36 [ 2193.786575] [] mount_root+0x45/0x48 [ 2193.803298] [] prepare_namespace+0x1cf/0x235 [ 2193.823037] [] kernel_init_freeable+0x4fa/0x518 [ 2193.842174] [] kernel_init+0x16/0x181 [ 2193.865354] [] ret_from_fork+0x1f/0x40 [ 2193.882041] [] ? rest_init+0x8f/0x8f [ 2193.896604] ================================================================================ [ 2193.922700] ================================================================================ [ 2193.947339] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2193.966434] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2193.992373] which requires 64 byte alignment [ 2194.015709] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2194.033887] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2194.060702] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 2194.081841] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2194.102106] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 2194.121723] Call Trace: [ 2194.127407] [] dump_stack+0xd7/0x132 [ 2194.143464] [] ? arch_local_irq_restore+0x1b/0x1b [ 2194.160400] [] ubsan_epilogue+0x12/0x53 [ 2194.173794] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2194.191665] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2194.213240] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2194.233449] [] ext4_setup_system_zone+0x96/0x5a1 [ 2194.248997] [] ext4_fill_super+0x7d92/0xa2df [ 2194.267250] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2194.288366] [] ? vsnprintf+0x1a0/0xa32 [ 2194.304879] [] ? pointer+0x7a9/0x7a9 [ 2194.319426] [] ? set_bdev_super+0x15d/0x15d [ 2194.337324] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2194.357132] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2194.376981] [] ? scnprintf+0xf3/0xf3 [ 2194.391356] [] mount_bdev+0x3cf/0x602 [ 2194.407784] [] ? mount_bdev+0x3cf/0x602 [ 2194.424907] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2194.442456] [] ext4_mount+0x3c/0x3e [ 2194.455904] [] mount_fs+0xd0/0x2ca [ 2194.467955] [] vfs_kern_mount+0xa0/0x20a [ 2194.486266] [] do_mount+0x11fe/0x19df [ 2194.501367] [] ? kasan_kmalloc+0x94/0xa3 [ 2194.517771] [] ? copy_mount_string+0x3d/0x3d [ 2194.534922] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2194.550700] [] ? __check_object_size+0x1e1/0x2b8 [ 2194.568972] [] ? 0xffffffffb1c002b8 [ 2194.582636] [] ? copy_mount_options+0x23d/0x24d [ 2194.601097] [] SyS_mount+0xa3/0xda [ 2194.617529] [] mount_block_root+0x2fc/0x650 [ 2194.634979] [] ? init_rootfs+0x99/0x99 [ 2194.649373] [] ? security_file_ioctl+0xa5/0xb4 [ 2194.667216] [] ? SyS_mknod+0x2f/0x36 [ 2194.683842] [] mount_root+0x45/0x48 [ 2194.696871] [] prepare_namespace+0x1cf/0x235 [ 2194.713752] [] kernel_init_freeable+0x4fa/0x518 [ 2194.731908] [] kernel_init+0x16/0x181 [ 2194.745236] [] ret_from_fork+0x1f/0x40 [ 2194.762379] [] ? rest_init+0x8f/0x8f [ 2194.777701] ================================================================================ [ 2194.807711] ================================================================================ [ 2194.833037] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2841:17 [ 2194.850248] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2194.876717] which requires 64 byte alignment [ 2194.888097] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2194.906599] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2194.934680] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 2194.955377] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2194.976501] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 2195.000973] Call Trace: [ 2195.007924] [] dump_stack+0xd7/0x132 [ 2195.022534] [] ? arch_local_irq_restore+0x1b/0x1b [ 2195.044452] [] ubsan_epilogue+0x12/0x53 [ 2195.060679] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2195.078818] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2195.098233] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2195.118255] [] ext4_setup_system_zone+0xb7/0x5a1 [ 2195.136643] [] ext4_fill_super+0x7d92/0xa2df [ 2195.150369] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2195.168768] [] ? vsnprintf+0x1a0/0xa32 [ 2195.185746] [] ? pointer+0x7a9/0x7a9 [ 2195.200299] [] ? set_bdev_super+0x15d/0x15d [ 2195.215967] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2195.237762] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2195.258457] [] ? scnprintf+0xf3/0xf3 [ 2195.276219] [] mount_bdev+0x3cf/0x602 [ 2195.290595] [] ? mount_bdev+0x3cf/0x602 [ 2195.305139] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2195.323470] [] ext4_mount+0x3c/0x3e [ 2195.341035] [] mount_fs+0xd0/0x2ca [ 2195.357179] [] vfs_kern_mount+0xa0/0x20a [ 2195.373156] [] do_mount+0x11fe/0x19df [ 2195.387068] [] ? kasan_kmalloc+0x94/0xa3 [ 2195.405027] [] ? copy_mount_string+0x3d/0x3d [ 2195.420189] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2195.439029] [] ? __check_object_size+0x1e1/0x2b8 [ 2195.456621] [] ? 0xffffffffb1c002b8 [ 2195.469929] [] ? copy_mount_options+0x23d/0x24d [ 2195.488674] [] SyS_mount+0xa3/0xda [ 2195.505105] [] mount_block_root+0x2fc/0x650 [ 2195.519041] [] ? init_rootfs+0x99/0x99 [ 2195.533557] [] ? security_file_ioctl+0xa5/0xb4 [ 2195.550689] [] ? SyS_mknod+0x2f/0x36 [ 2195.565467] [] mount_root+0x45/0x48 [ 2195.581690] [] prepare_namespace+0x1cf/0x235 [ 2195.598935] [] kernel_init_freeable+0x4fa/0x518 [ 2195.618871] [] kernel_init+0x16/0x181 [ 2195.635055] [] ret_from_fork+0x1f/0x40 [ 2195.651013] [] ? rest_init+0x8f/0x8f [ 2195.664571] ================================================================================ [ 2195.688521] ================================================================================ [ 2195.713986] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2195.729763] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2195.754992] which requires 64 byte alignment [ 2195.765829] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2195.783881] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2195.816625] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 2195.838819] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2195.860587] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 2195.885055] Call Trace: [ 2195.892980] [] dump_stack+0xd7/0x132 [ 2195.907858] [] ? arch_local_irq_restore+0x1b/0x1b [ 2195.926818] [] ubsan_epilogue+0x12/0x53 [ 2195.941199] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2195.961557] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2195.982169] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2195.999886] [] ext4_setup_system_zone+0x116/0x5a1 [ 2196.020631] [] ext4_fill_super+0x7d92/0xa2df [ 2196.039033] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2196.059757] [] ? vsnprintf+0x1a0/0xa32 [ 2196.079687] [] ? pointer+0x7a9/0x7a9 [ 2196.095668] [] ? set_bdev_super+0x15d/0x15d [ 2196.113846] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2196.134217] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2196.152480] [] ? scnprintf+0xf3/0xf3 [ 2196.168642] [] mount_bdev+0x3cf/0x602 [ 2196.182457] [] ? mount_bdev+0x3cf/0x602 [ 2196.199939] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2196.219220] [] ext4_mount+0x3c/0x3e [ 2196.234325] [] mount_fs+0xd0/0x2ca [ 2196.246912] [] vfs_kern_mount+0xa0/0x20a [ 2196.262701] [] do_mount+0x11fe/0x19df [ 2196.277100] [] ? kasan_kmalloc+0x94/0xa3 [ 2196.298115] [] ? copy_mount_string+0x3d/0x3d [ 2196.317763] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2196.335598] [] ? __check_object_size+0x1e1/0x2b8 [ 2196.354152] [] ? 0xffffffffb1c002b8 [ 2196.366620] [] ? copy_mount_options+0x23d/0x24d [ 2196.391479] [] SyS_mount+0xa3/0xda [ 2196.407248] [] mount_block_root+0x2fc/0x650 [ 2196.425819] [] ? init_rootfs+0x99/0x99 [ 2196.440516] [] ? security_file_ioctl+0xa5/0xb4 [ 2196.460004] [] ? SyS_mknod+0x2f/0x36 [ 2196.476803] [] mount_root+0x45/0x48 [ 2196.489804] [] prepare_namespace+0x1cf/0x235 [ 2196.506724] [] kernel_init_freeable+0x4fa/0x518 [ 2196.523472] [] kernel_init+0x16/0x181 [ 2196.538835] [] ret_from_fork+0x1f/0x40 [ 2196.554753] [] ? rest_init+0x8f/0x8f [ 2196.569352] ================================================================================ [ 2196.598045] ================================================================================ [ 2196.624843] UBSAN: Undefined behaviour in fs/ext4/block_validity.c:148:7 [ 2196.644737] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2196.672182] which requires 64 byte alignment [ 2196.684656] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2196.701557] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2196.727732] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 2196.747844] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2196.772225] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 2196.796595] Call Trace: [ 2196.802264] [] dump_stack+0xd7/0x132 [ 2196.823582] [] ? arch_local_irq_restore+0x1b/0x1b [ 2196.841089] [] ubsan_epilogue+0x12/0x53 [ 2196.858523] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2196.878539] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2196.901407] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2196.921201] [] ext4_setup_system_zone+0x143/0x5a1 [ 2196.939707] [] ext4_fill_super+0x7d92/0xa2df [ 2196.957305] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2196.978648] [] ? vsnprintf+0x1a0/0xa32 [ 2196.995903] [] ? pointer+0x7a9/0x7a9 [ 2197.012786] [] ? set_bdev_super+0x15d/0x15d [ 2197.029095] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2197.048436] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2197.071795] [] ? scnprintf+0xf3/0xf3 [ 2197.086129] [] mount_bdev+0x3cf/0x602 [ 2197.100774] [] ? mount_bdev+0x3cf/0x602 [ 2197.118950] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2197.138312] [] ext4_mount+0x3c/0x3e [ 2197.152573] [] mount_fs+0xd0/0x2ca [ 2197.167147] [] vfs_kern_mount+0xa0/0x20a [ 2197.184402] [] do_mount+0x11fe/0x19df [ 2197.198006] [] ? kasan_kmalloc+0x94/0xa3 [ 2197.216850] [] ? copy_mount_string+0x3d/0x3d [ 2197.234606] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2197.251785] [] ? __check_object_size+0x1e1/0x2b8 [ 2197.271770] [] ? 0xffffffffb1c002b8 [ 2197.285164] [] ? copy_mount_options+0x23d/0x24d [ 2197.304644] [] SyS_mount+0xa3/0xda [ 2197.317990] [] mount_block_root+0x2fc/0x650 [ 2197.336037] [] ? init_rootfs+0x99/0x99 [ 2197.352436] [] ? security_file_ioctl+0xa5/0xb4 [ 2197.368537] [] ? SyS_mknod+0x2f/0x36 [ 2197.381771] [] mount_root+0x45/0x48 [ 2197.396246] [] prepare_namespace+0x1cf/0x235 [ 2197.420920] [] kernel_init_freeable+0x4fa/0x518 [ 2197.445761] [] kernel_init+0x16/0x181 [ 2197.462674] [] ret_from_fork+0x1f/0x40 [ 2197.479381] [] ? rest_init+0x8f/0x8f [ 2197.496384] ================================================================================ [ 2197.520843] ================================================================================ [ 2197.544907] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2197.564259] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2197.588582] which requires 64 byte alignment [ 2197.600277] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2197.619931] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2197.647193] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 2197.669562] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2197.688801] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 2197.709852] Call Trace: [ 2197.717934] [] dump_stack+0xd7/0x132 [ 2197.736399] [] ? arch_local_irq_restore+0x1b/0x1b [ 2197.753004] [] ubsan_epilogue+0x12/0x53 [ 2197.766637] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2197.786768] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2197.808691] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2197.831570] [] ext4_setup_system_zone+0x1d8/0x5a1 [ 2197.850190] [] ext4_fill_super+0x7d92/0xa2df [ 2197.866135] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2197.886604] [] ? vsnprintf+0x1a0/0xa32 [ 2197.905068] [] ? pointer+0x7a9/0x7a9 [ 2197.920120] [] ? set_bdev_super+0x15d/0x15d [ 2197.937543] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2197.958328] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2197.983374] [] ? scnprintf+0xf3/0xf3 [ 2198.031266] [] mount_bdev+0x3cf/0x602 [ 2198.062684] [] ? mount_bdev+0x3cf/0x602 [ 2198.079423] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2198.098827] [] ext4_mount+0x3c/0x3e [ 2198.117991] [] mount_fs+0xd0/0x2ca [ 2198.141185] [] vfs_kern_mount+0xa0/0x20a [ 2198.158136] [] do_mount+0x11fe/0x19df [ 2198.173693] [] ? kasan_kmalloc+0x94/0xa3 [ 2198.189144] [] ? copy_mount_string+0x3d/0x3d [ 2198.207018] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2198.226475] [] ? __check_object_size+0x1e1/0x2b8 [ 2198.245374] [] ? 0xffffffffb1c002b8 [ 2198.260009] [] ? copy_mount_options+0x23d/0x24d [ 2198.277312] [] SyS_mount+0xa3/0xda [ 2198.292731] [] mount_block_root+0x2fc/0x650 [ 2198.312168] [] ? init_rootfs+0x99/0x99 [ 2198.327913] [] ? security_file_ioctl+0xa5/0xb4 [ 2198.344970] [] ? SyS_mknod+0x2f/0x36 [ 2198.360976] [] mount_root+0x45/0x48 [ 2198.376799] [] prepare_namespace+0x1cf/0x235 [ 2198.392785] [] kernel_init_freeable+0x4fa/0x518 [ 2198.413105] [] kernel_init+0x16/0x181 [ 2198.428215] [] ret_from_fork+0x1f/0x40 [ 2198.442565] [] ? rest_init+0x8f/0x8f [ 2198.458224] ================================================================================ [ 2198.484664] ================================================================================ [ 2198.509038] UBSAN: Undefined behaviour in fs/ext4/block_validity.c:153:30 [ 2198.530238] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2198.562525] which requires 64 byte alignment [ 2198.577952] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2198.602115] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2198.631628] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 2198.654043] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2198.675156] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 2198.698917] Call Trace: [ 2198.704890] [] dump_stack+0xd7/0x132 [ 2198.723688] [] ? arch_local_irq_restore+0x1b/0x1b [ 2198.740328] [] ubsan_epilogue+0x12/0x53 [ 2198.757805] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2198.777352] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2198.800675] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2198.826075] [] ext4_setup_system_zone+0x1f2/0x5a1 [ 2198.843977] [] ext4_fill_super+0x7d92/0xa2df [ 2198.867732] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2198.891246] [] ? vsnprintf+0x1a0/0xa32 [ 2198.911399] [] ? pointer+0x7a9/0x7a9 [ 2198.929128] [] ? set_bdev_super+0x15d/0x15d [ 2198.952709] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2198.972928] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2198.998969] [] ? scnprintf+0xf3/0xf3 [ 2199.021528] [] mount_bdev+0x3cf/0x602 [ 2199.039959] [] ? mount_bdev+0x3cf/0x602 [ 2199.061698] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2199.085571] [] ext4_mount+0x3c/0x3e [ 2199.104965] [] mount_fs+0xd0/0x2ca [ 2199.125142] [] vfs_kern_mount+0xa0/0x20a [ 2199.145149] [] do_mount+0x11fe/0x19df [ 2199.164705] [] ? kasan_kmalloc+0x94/0xa3 [ 2199.187343] [] ? copy_mount_string+0x3d/0x3d [ 2199.210511] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2199.239603] [] ? __check_object_size+0x1e1/0x2b8 [ 2199.260685] [] ? 0xffffffffb1c002b8 [ 2199.277801] [] ? copy_mount_options+0x23d/0x24d [ 2199.294009] [] SyS_mount+0xa3/0xda [ 2199.310253] [] mount_block_root+0x2fc/0x650 [ 2199.327983] [] ? init_rootfs+0x99/0x99 [ 2199.341135] [] ? security_file_ioctl+0xa5/0xb4 [ 2199.360968] [] ? SyS_mknod+0x2f/0x36 [ 2199.375583] [] mount_root+0x45/0x48 [ 2199.388269] [] prepare_namespace+0x1cf/0x235 [ 2199.406083] [] kernel_init_freeable+0x4fa/0x518 [ 2199.426685] [] kernel_init+0x16/0x181 [ 2199.443787] [] ret_from_fork+0x1f/0x40 [ 2199.461679] [] ? rest_init+0x8f/0x8f [ 2199.478338] ================================================================================ [ 2199.502779] ================================================================================ [ 2199.530032] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2199.553697] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2199.590150] which requires 64 byte alignment [ 2199.606799] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2199.631423] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2199.663604] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 2199.691705] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2199.720109] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 2199.748421] Call Trace: [ 2199.759321] [] dump_stack+0xd7/0x132 [ 2199.777489] [] ? arch_local_irq_restore+0x1b/0x1b [ 2199.807117] [] ubsan_epilogue+0x12/0x53 [ 2199.834352] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2199.866644] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2199.916379] [] ? ext4_bg_num_gdb+0x419/0x429 [ 2199.947469] [] ext4_setup_system_zone+0x27a/0x5a1 [ 2199.982708] [] ext4_fill_super+0x7d92/0xa2df [ 2200.014715] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2200.048189] [] ? vsnprintf+0x1a0/0xa32 [ 2200.065917] [] ? pointer+0x7a9/0x7a9 [ 2200.084739] [] ? set_bdev_super+0x15d/0x15d [ 2200.103928] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2200.132670] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2200.154860] [] ? scnprintf+0xf3/0xf3 [ 2200.170165] [] mount_bdev+0x3cf/0x602 [ 2200.189642] [] ? mount_bdev+0x3cf/0x602 [ 2200.208461] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2200.227965] [] ext4_mount+0x3c/0x3e [ 2200.242848] [] mount_fs+0xd0/0x2ca [ 2200.260454] [] vfs_kern_mount+0xa0/0x20a [ 2200.278587] [] do_mount+0x11fe/0x19df [ 2200.294339] [] ? kasan_kmalloc+0x94/0xa3 [ 2200.309165] [] ? copy_mount_string+0x3d/0x3d [ 2200.328095] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2200.352356] [] ? __check_object_size+0x1e1/0x2b8 [ 2200.373956] [] ? 0xffffffffb1c002b8 [ 2200.386337] [] ? copy_mount_options+0x23d/0x24d [ 2200.406793] [] SyS_mount+0xa3/0xda [ 2200.422523] [] mount_block_root+0x2fc/0x650 [ 2200.439343] [] ? init_rootfs+0x99/0x99 [ 2200.453762] [] ? security_file_ioctl+0xa5/0xb4 [ 2200.469571] [] ? SyS_mknod+0x2f/0x36 [ 2200.485696] [] mount_root+0x45/0x48 [ 2200.503556] [] prepare_namespace+0x1cf/0x235 [ 2200.518531] [] kernel_init_freeable+0x4fa/0x518 [ 2200.539239] [] kernel_init+0x16/0x181 [ 2200.556871] [] ret_from_fork+0x1f/0x40 [ 2200.578318] [] ? rest_init+0x8f/0x8f [ 2200.593603] ================================================================================ [ 2200.617757] ================================================================================ [ 2200.643870] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2121:34 [ 2200.662732] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2200.693655] which requires 64 byte alignment [ 2200.708172] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2200.728033] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2200.761831] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 2200.785339] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2200.812967] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 2200.838978] Call Trace: [ 2200.848361] [] dump_stack+0xd7/0x132 [ 2200.864356] [] ? arch_local_irq_restore+0x1b/0x1b [ 2200.883978] [] ubsan_epilogue+0x12/0x53 [ 2200.903631] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2200.925564] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2200.944773] [] ? ext4_bg_num_gdb+0x419/0x429 [ 2200.962611] [] ext4_setup_system_zone+0x2a4/0x5a1 [ 2200.981961] [] ext4_fill_super+0x7d92/0xa2df [ 2201.000544] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2201.018418] [] ? vsnprintf+0x1a0/0xa32 [ 2201.037614] [] ? pointer+0x7a9/0x7a9 [ 2201.053771] [] ? set_bdev_super+0x15d/0x15d [ 2201.069027] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2201.102629] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2201.128704] [] ? scnprintf+0xf3/0xf3 [ 2201.142026] [] mount_bdev+0x3cf/0x602 [ 2201.158924] [] ? mount_bdev+0x3cf/0x602 [ 2201.176599] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2201.196928] [] ext4_mount+0x3c/0x3e [ 2201.215540] [] mount_fs+0xd0/0x2ca [ 2201.231077] [] vfs_kern_mount+0xa0/0x20a [ 2201.249433] [] do_mount+0x11fe/0x19df [ 2201.264687] [] ? kasan_kmalloc+0x94/0xa3 [ 2201.282224] [] ? copy_mount_string+0x3d/0x3d [ 2201.304210] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2201.325125] [] ? __check_object_size+0x1e1/0x2b8 [ 2201.343535] [] ? 0xffffffffb1c002b8 [ 2201.358935] [] ? copy_mount_options+0x23d/0x24d [ 2201.378975] [] SyS_mount+0xa3/0xda [ 2201.396499] [] mount_block_root+0x2fc/0x650 [ 2201.416184] [] ? init_rootfs+0x99/0x99 [ 2201.433729] [] ? security_file_ioctl+0xa5/0xb4 [ 2201.453333] [] ? SyS_mknod+0x2f/0x36 [ 2201.466060] [] mount_root+0x45/0x48 [ 2201.483254] [] prepare_namespace+0x1cf/0x235 [ 2201.502116] [] kernel_init_freeable+0x4fa/0x518 [ 2201.520630] [] kernel_init+0x16/0x181 [ 2201.537273] [] ret_from_fork+0x1f/0x40 [ 2201.554404] [] ? rest_init+0x8f/0x8f [ 2201.567647] ================================================================================ [ 2201.595496] ================================================================================ [ 2201.621266] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2201.640690] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2201.666604] which requires 64 byte alignment [ 2201.680920] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2201.699037] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2201.729569] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 2201.754337] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2201.779235] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 2201.803932] Call Trace: [ 2201.811078] [] dump_stack+0xd7/0x132 [ 2201.825174] [] ? arch_local_irq_restore+0x1b/0x1b [ 2201.842668] [] ubsan_epilogue+0x12/0x53 [ 2201.859262] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2201.880629] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2201.901876] [] ? ext4_bg_num_gdb+0x419/0x429 [ 2201.920476] [] ext4_setup_system_zone+0x2d2/0x5a1 [ 2201.940306] [] ext4_fill_super+0x7d92/0xa2df [ 2201.956928] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2201.975764] [] ? vsnprintf+0x1a0/0xa32 [ 2201.989687] [] ? pointer+0x7a9/0x7a9 [ 2202.005070] [] ? set_bdev_super+0x15d/0x15d [ 2202.024022] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2202.047284] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2202.068082] [] ? scnprintf+0xf3/0xf3 [ 2202.081722] [] mount_bdev+0x3cf/0x602 [ 2202.097558] [] ? mount_bdev+0x3cf/0x602 [ 2202.115105] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2202.134236] [] ext4_mount+0x3c/0x3e [ 2202.148599] [] mount_fs+0xd0/0x2ca [ 2202.163043] [] vfs_kern_mount+0xa0/0x20a [ 2202.180431] [] do_mount+0x11fe/0x19df [ 2202.196596] [] ? kasan_kmalloc+0x94/0xa3 [ 2202.214169] [] ? copy_mount_string+0x3d/0x3d [ 2202.230618] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2202.247375] [] ? __check_object_size+0x1e1/0x2b8 [ 2202.263938] [] ? 0xffffffffb1c002b8 [ 2202.280451] [] ? copy_mount_options+0x23d/0x24d [ 2202.299512] [] SyS_mount+0xa3/0xda [ 2202.315384] [] mount_block_root+0x2fc/0x650 [ 2202.332229] [] ? init_rootfs+0x99/0x99 [ 2202.346953] [] ? security_file_ioctl+0xa5/0xb4 [ 2202.361824] [] ? SyS_mknod+0x2f/0x36 [ 2202.378241] [] mount_root+0x45/0x48 [ 2202.392529] [] prepare_namespace+0x1cf/0x235 [ 2202.409606] [] kernel_init_freeable+0x4fa/0x518 [ 2202.427690] [] kernel_init+0x16/0x181 [ 2202.441201] [] ret_from_fork+0x1f/0x40 [ 2202.457729] [] ? rest_init+0x8f/0x8f [ 2202.471955] ================================================================================ [ 2202.497405] ================================================================================ [ 2202.522800] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2122:3 [ 2202.542202] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2202.567013] which requires 64 byte alignment [ 2202.580950] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2202.596619] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2202.622790] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 2202.644363] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2202.666182] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 2202.686216] Call Trace: [ 2202.693915] [] dump_stack+0xd7/0x132 [ 2202.708647] [] ? arch_local_irq_restore+0x1b/0x1b [ 2202.725011] [] ubsan_epilogue+0x12/0x53 [ 2202.742719] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2202.762449] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2202.782622] [] ? ext4_bg_num_gdb+0x419/0x429 [ 2202.800607] [] ext4_setup_system_zone+0x2ec/0x5a1 [ 2202.822505] [] ext4_fill_super+0x7d92/0xa2df [ 2202.838603] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2202.857139] [] ? vsnprintf+0x1a0/0xa32 [ 2202.871837] [] ? pointer+0x7a9/0x7a9 [ 2202.884901] [] ? set_bdev_super+0x15d/0x15d [ 2202.905190] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2202.928760] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2202.953483] [] ? scnprintf+0xf3/0xf3 [ 2202.967421] [] mount_bdev+0x3cf/0x602 [ 2202.983407] [] ? mount_bdev+0x3cf/0x602 [ 2203.000899] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2203.018422] [] ext4_mount+0x3c/0x3e [ 2203.034862] [] mount_fs+0xd0/0x2ca [ 2203.049966] [] vfs_kern_mount+0xa0/0x20a [ 2203.066071] [] do_mount+0x11fe/0x19df [ 2203.083888] [] ? kasan_kmalloc+0x94/0xa3 [ 2203.101979] [] ? copy_mount_string+0x3d/0x3d [ 2203.120898] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2203.140580] [] ? __check_object_size+0x1e1/0x2b8 [ 2203.161802] [] ? 0xffffffffb1c002b8 [ 2203.179152] [] ? copy_mount_options+0x23d/0x24d [ 2203.197303] [] SyS_mount+0xa3/0xda [ 2203.213562] [] mount_block_root+0x2fc/0x650 [ 2203.234023] [] ? init_rootfs+0x99/0x99 [ 2203.253232] [] ? security_file_ioctl+0xa5/0xb4 [ 2203.272640] [] ? SyS_mknod+0x2f/0x36 [ 2203.286534] [] mount_root+0x45/0x48 [ 2203.301985] [] prepare_namespace+0x1cf/0x235 [ 2203.323776] [] kernel_init_freeable+0x4fa/0x518 [ 2203.341789] [] kernel_init+0x16/0x181 [ 2203.361221] [] ret_from_fork+0x1f/0x40 [ 2203.378510] [] ? rest_init+0x8f/0x8f [ 2203.395987] ================================================================================ [ 2203.423945] ================================================================================ [ 2203.454237] UBSAN: Undefined behaviour in fs/ext4/block_validity.c:169:8 [ 2203.473571] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2203.501054] which requires 64 byte alignment [ 2203.513897] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2203.531879] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2203.558915] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 2203.582612] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2203.604197] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 2203.625829] Call Trace: [ 2203.633664] [] dump_stack+0xd7/0x132 [ 2203.647438] [] ? arch_local_irq_restore+0x1b/0x1b [ 2203.667273] [] ubsan_epilogue+0x12/0x53 [ 2203.684500] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2203.705887] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2203.728479] [] ? add_system_zone+0x598/0x5aa [ 2203.744885] [] ext4_setup_system_zone+0x3e0/0x5a1 [ 2203.765541] [] ext4_fill_super+0x7d92/0xa2df [ 2203.783386] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2203.803516] [] ? vsnprintf+0x1a0/0xa32 [ 2203.819551] [] ? pointer+0x7a9/0x7a9 [ 2203.833785] [] ? set_bdev_super+0x15d/0x15d [ 2203.851791] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2203.872717] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2203.895572] [] ? scnprintf+0xf3/0xf3 [ 2203.912482] [] mount_bdev+0x3cf/0x602 [ 2203.927512] [] ? mount_bdev+0x3cf/0x602 [ 2203.945234] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2203.962573] [] ext4_mount+0x3c/0x3e [ 2203.977292] [] mount_fs+0xd0/0x2ca [ 2203.992884] [] vfs_kern_mount+0xa0/0x20a [ 2204.009619] [] do_mount+0x11fe/0x19df [ 2204.024659] [] ? kasan_kmalloc+0x94/0xa3 [ 2204.041944] [] ? copy_mount_string+0x3d/0x3d [ 2204.060900] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2204.078759] [] ? __check_object_size+0x1e1/0x2b8 [ 2204.095870] [] ? 0xffffffffb1c002b8 [ 2204.110886] [] ? copy_mount_options+0x23d/0x24d [ 2204.127917] [] SyS_mount+0xa3/0xda [ 2204.140978] [] mount_block_root+0x2fc/0x650 [ 2204.159202] [] ? init_rootfs+0x99/0x99 [ 2204.174087] [] ? security_file_ioctl+0xa5/0xb4 [ 2204.191228] [] ? SyS_mknod+0x2f/0x36 [ 2204.206791] [] mount_root+0x45/0x48 [ 2204.224617] [] prepare_namespace+0x1cf/0x235 [ 2204.240620] [] kernel_init_freeable+0x4fa/0x518 [ 2204.256642] [] kernel_init+0x16/0x181 [ 2204.270851] [] ret_from_fork+0x1f/0x40 [ 2204.286142] [] ? rest_init+0x8f/0x8f [ 2204.301363] ================================================================================ [ 2204.326888] ================================================================================ [ 2204.352734] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2204.371805] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2204.399413] which requires 64 byte alignment [ 2204.412806] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2204.430513] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2204.456898] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 2204.479579] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2204.499171] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 2204.519977] Call Trace: [ 2204.527708] [] dump_stack+0xd7/0x132 [ 2204.541496] [] ? arch_local_irq_restore+0x1b/0x1b [ 2204.558353] [] ubsan_epilogue+0x12/0x53 [ 2204.576058] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2204.593692] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2204.613436] [] ? add_system_zone+0x598/0x5aa [ 2204.629562] [] ext4_setup_system_zone+0x43b/0x5a1 [ 2204.647169] [] ext4_fill_super+0x7d92/0xa2df [ 2204.665067] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2204.685262] [] ? vsnprintf+0x1a0/0xa32 [ 2204.701271] [] ? pointer+0x7a9/0x7a9 [ 2204.718009] [] ? set_bdev_super+0x15d/0x15d [ 2204.735678] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2204.760398] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2204.782937] [] ? scnprintf+0xf3/0xf3 [ 2204.798779] [] mount_bdev+0x3cf/0x602 [ 2204.814560] [] ? mount_bdev+0x3cf/0x602 [ 2204.831160] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2204.853825] [] ext4_mount+0x3c/0x3e [ 2204.867684] [] mount_fs+0xd0/0x2ca [ 2204.884377] [] vfs_kern_mount+0xa0/0x20a [ 2204.904892] [] do_mount+0x11fe/0x19df [ 2204.922757] [] ? kasan_kmalloc+0x94/0xa3 [ 2204.939485] [] ? copy_mount_string+0x3d/0x3d [ 2204.957669] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2204.975356] [] ? __check_object_size+0x1e1/0x2b8 [ 2204.994398] [] ? 0xffffffffb1c002b8 [ 2205.009436] [] ? copy_mount_options+0x23d/0x24d [ 2205.027744] [] SyS_mount+0xa3/0xda [ 2205.042358] [] mount_block_root+0x2fc/0x650 [ 2205.060658] [] ? init_rootfs+0x99/0x99 [ 2205.079442] [] ? security_file_ioctl+0xa5/0xb4 [ 2205.095065] [] ? SyS_mknod+0x2f/0x36 [ 2205.110818] [] mount_root+0x45/0x48 [ 2205.125618] [] prepare_namespace+0x1cf/0x235 [ 2205.144308] [] kernel_init_freeable+0x4fa/0x518 [ 2205.162975] [] kernel_init+0x16/0x181 [ 2205.179936] [] ret_from_fork+0x1f/0x40 [ 2205.196863] [] ? rest_init+0x8f/0x8f [ 2205.211246] ================================================================================ [ 2205.239138] ================================================================================ [ 2205.263220] UBSAN: Undefined behaviour in fs/ext4/block_validity.c:174:6 [ 2205.281593] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2205.307601] which requires 64 byte alignment [ 2205.322177] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2205.337527] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2205.364508] 00000000ffffffff 00000000b1a89c60 ffff88005c9df720 ffffffffb26ec5cc [ 2205.387127] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2205.410395] ffff880000000010 ffff88005c9df748 ffff88005c9df6f8 ffffffffb363c3e0 [ 2205.431862] Call Trace: [ 2205.437667] [] dump_stack+0xd7/0x132 [ 2205.454830] [] ? arch_local_irq_restore+0x1b/0x1b [ 2205.472528] [] ubsan_epilogue+0x12/0x53 [ 2205.489079] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2205.508800] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2205.531223] [] ? add_system_zone+0x598/0x5aa [ 2205.547867] [] ext4_setup_system_zone+0x465/0x5a1 [ 2205.566388] [] ext4_fill_super+0x7d92/0xa2df [ 2205.587547] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2205.608336] [] ? vsnprintf+0x1a0/0xa32 [ 2205.623274] [] ? pointer+0x7a9/0x7a9 [ 2205.639975] [] ? set_bdev_super+0x15d/0x15d [ 2205.658437] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2205.679977] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2205.704707] [] ? scnprintf+0xf3/0xf3 [ 2205.722206] [] mount_bdev+0x3cf/0x602 [ 2205.737987] [] ? mount_bdev+0x3cf/0x602 [ 2205.755275] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2205.775093] [] ext4_mount+0x3c/0x3e [ 2205.788138] [] mount_fs+0xd0/0x2ca [ 2205.804840] [] vfs_kern_mount+0xa0/0x20a [ 2205.820564] [] do_mount+0x11fe/0x19df [ 2205.840589] [] ? kasan_kmalloc+0x94/0xa3 [ 2205.858066] [] ? copy_mount_string+0x3d/0x3d [ 2205.875835] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2205.894898] [] ? __check_object_size+0x1e1/0x2b8 [ 2205.915921] [] ? 0xffffffffb1c002b8 [ 2205.932129] [] ? copy_mount_options+0x23d/0x24d [ 2205.951052] [] SyS_mount+0xa3/0xda [ 2205.964492] [] mount_block_root+0x2fc/0x650 [ 2205.980654] [] ? init_rootfs+0x99/0x99 [ 2205.997154] [] ? security_file_ioctl+0xa5/0xb4 [ 2206.016690] [] ? SyS_mknod+0x2f/0x36 [ 2206.030663] [] mount_root+0x45/0x48 [ 2206.045257] [] prepare_namespace+0x1cf/0x235 [ 2206.064016] [] kernel_init_freeable+0x4fa/0x518 [ 2206.086332] [] kernel_init+0x16/0x181 [ 2206.101386] [] ret_from_fork+0x1f/0x40 [ 2206.118164] [] ? rest_init+0x8f/0x8f [ 2206.133699] ================================================================================ [ 2206.158765] ================================================================================ [ 2206.183711] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2206.201255] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2206.228301] which requires 64 byte alignment [ 2206.239827] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2206.255828] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2206.282114] 00000000ffffffff 00000000b1a89c60 ffff88005c9df760 ffffffffb26ec5cc [ 2206.304768] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2206.328043] 0000000000000010 ffff88005c9df788 ffff88005c9df738 ffffffffb363c3e0 [ 2206.355242] Call Trace: [ 2206.361868] [] dump_stack+0xd7/0x132 [ 2206.377776] [] ? arch_local_irq_restore+0x1b/0x1b [ 2206.396433] [] ubsan_epilogue+0x12/0x53 [ 2206.413476] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2206.433630] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2206.454870] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2206.473306] [] ext4_ext_init+0x2b/0x7e [ 2206.488312] [] ext4_fill_super+0x7dcf/0xa2df [ 2206.505514] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2206.522264] [] ? vsnprintf+0x1a0/0xa32 [ 2206.537492] [] ? pointer+0x7a9/0x7a9 [ 2206.550290] [] ? set_bdev_super+0x15d/0x15d [ 2206.568700] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2206.594389] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2206.616497] [] ? scnprintf+0xf3/0xf3 [ 2206.632682] [] mount_bdev+0x3cf/0x602 [ 2206.648049] [] ? mount_bdev+0x3cf/0x602 [ 2206.664250] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2206.683436] [] ext4_mount+0x3c/0x3e [ 2206.699679] [] mount_fs+0xd0/0x2ca [ 2206.714843] [] vfs_kern_mount+0xa0/0x20a [ 2206.732570] [] do_mount+0x11fe/0x19df [ 2206.747672] [] ? kasan_kmalloc+0x94/0xa3 [ 2206.763144] [] ? copy_mount_string+0x3d/0x3d [ 2206.780133] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2206.800296] [] ? __check_object_size+0x1e1/0x2b8 [ 2206.818739] [] ? 0xffffffffb1c002b8 [ 2206.836305] [] ? copy_mount_options+0x23d/0x24d [ 2206.852810] [] SyS_mount+0xa3/0xda [ 2206.868986] [] mount_block_root+0x2fc/0x650 [ 2206.886561] [] ? init_rootfs+0x99/0x99 [ 2206.903239] [] ? security_file_ioctl+0xa5/0xb4 [ 2206.920585] [] ? SyS_mknod+0x2f/0x36 [ 2206.937140] [] mount_root+0x45/0x48 [ 2206.952037] [] prepare_namespace+0x1cf/0x235 [ 2206.972172] [] kernel_init_freeable+0x4fa/0x518 [ 2206.989704] [] kernel_init+0x16/0x181 [ 2207.002556] [] ret_from_fork+0x1f/0x40 [ 2207.020655] [] ? rest_init+0x8f/0x8f [ 2207.034371] ================================================================================ [ 2207.059770] ================================================================================ [ 2207.082734] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1780:1 [ 2207.100212] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2207.133045] which requires 64 byte alignment [ 2207.147867] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2207.164277] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2207.195063] 00000000ffffffff 00000000b1a89c60 ffff88005c9df760 ffffffffb26ec5cc [ 2207.216173] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2207.241290] ffff880000000010 ffff88005c9df788 ffff88005c9df738 ffffffffb363c3e0 [ 2207.260941] Call Trace: [ 2207.270676] [] dump_stack+0xd7/0x132 [ 2207.284538] [] ? arch_local_irq_restore+0x1b/0x1b [ 2207.302049] [] ubsan_epilogue+0x12/0x53 [ 2207.315165] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2207.335249] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2207.356008] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2207.375591] [] ext4_ext_init+0x57/0x7e [ 2207.392565] [] ext4_fill_super+0x7dcf/0xa2df [ 2207.408531] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2207.430436] [] ? vsnprintf+0x1a0/0xa32 [ 2207.445856] [] ? pointer+0x7a9/0x7a9 [ 2207.460865] [] ? set_bdev_super+0x15d/0x15d [ 2207.474868] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2207.495427] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2207.516847] [] ? scnprintf+0xf3/0xf3 [ 2207.533952] [] mount_bdev+0x3cf/0x602 [ 2207.549812] [] ? mount_bdev+0x3cf/0x602 [ 2207.564955] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2207.585330] [] ext4_mount+0x3c/0x3e [ 2207.600686] [] mount_fs+0xd0/0x2ca [ 2207.619313] [] vfs_kern_mount+0xa0/0x20a [ 2207.637579] [] do_mount+0x11fe/0x19df [ 2207.654130] [] ? kasan_kmalloc+0x94/0xa3 [ 2207.668117] [] ? copy_mount_string+0x3d/0x3d [ 2207.684127] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2207.701588] [] ? __check_object_size+0x1e1/0x2b8 [ 2207.719842] [] ? 0xffffffffb1c002b8 [ 2207.738088] [] ? copy_mount_options+0x23d/0x24d [ 2207.757356] [] SyS_mount+0xa3/0xda [ 2207.769408] [] mount_block_root+0x2fc/0x650 [ 2207.784696] [] ? init_rootfs+0x99/0x99 [ 2207.798276] [] ? security_file_ioctl+0xa5/0xb4 [ 2207.817542] [] ? SyS_mknod+0x2f/0x36 [ 2207.831469] [] mount_root+0x45/0x48 [ 2207.844371] [] prepare_namespace+0x1cf/0x235 [ 2207.861484] [] kernel_init_freeable+0x4fa/0x518 [ 2207.878478] [] kernel_init+0x16/0x181 [ 2207.895505] [] ret_from_fork+0x1f/0x40 [ 2207.911703] [] ? rest_init+0x8f/0x8f [ 2207.924762] ================================================================================ [ 2207.951086] ================================================================================ [ 2207.975325] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2207.990788] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2208.014792] which requires 64 byte alignment [ 2208.028135] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2208.046741] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2208.073239] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2208.094041] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2208.117526] 0000000000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2208.138545] Call Trace: [ 2208.144407] [] dump_stack+0xd7/0x132 [ 2208.158492] [] ? arch_local_irq_restore+0x1b/0x1b [ 2208.179260] [] ubsan_epilogue+0x12/0x53 [ 2208.195225] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2208.213831] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2208.238728] [] ? ubsan_epilogue+0x26/0x53 [ 2208.257866] [] ext4_mb_init+0x95/0x1242 [ 2208.273464] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2208.294920] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2208.317160] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2208.336235] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2208.356322] [] ext4_fill_super+0x7dd7/0xa2df [ 2208.374700] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2208.394699] [] ? vsnprintf+0x1a0/0xa32 [ 2208.407715] [] ? pointer+0x7a9/0x7a9 [ 2208.426007] [] ? set_bdev_super+0x15d/0x15d [ 2208.445607] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2208.464966] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2208.486332] [] ? scnprintf+0xf3/0xf3 [ 2208.501027] [] mount_bdev+0x3cf/0x602 [ 2208.516225] [] ? mount_bdev+0x3cf/0x602 [ 2208.532809] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2208.553115] [] ext4_mount+0x3c/0x3e [ 2208.567714] [] mount_fs+0xd0/0x2ca [ 2208.581917] [] vfs_kern_mount+0xa0/0x20a [ 2208.597396] [] do_mount+0x11fe/0x19df [ 2208.613534] [] ? kasan_kmalloc+0x94/0xa3 [ 2208.629651] [] ? copy_mount_string+0x3d/0x3d [ 2208.646276] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2208.666867] [] ? __check_object_size+0x1e1/0x2b8 [ 2208.685069] [] ? 0xffffffffb1c002b8 [ 2208.702639] [] ? copy_mount_options+0x23d/0x24d [ 2208.722536] [] SyS_mount+0xa3/0xda [ 2208.737609] [] mount_block_root+0x2fc/0x650 [ 2208.757776] [] ? init_rootfs+0x99/0x99 [ 2208.774270] [] ? security_file_ioctl+0xa5/0xb4 [ 2208.791971] [] ? SyS_mknod+0x2f/0x36 [ 2208.805115] [] mount_root+0x45/0x48 [ 2208.821685] [] prepare_namespace+0x1cf/0x235 [ 2208.839074] [] kernel_init_freeable+0x4fa/0x518 [ 2208.859588] [] kernel_init+0x16/0x181 [ 2208.874747] [] ret_from_fork+0x1f/0x40 [ 2208.888511] [] ? rest_init+0x8f/0x8f [ 2208.905139] ================================================================================ [ 2208.932525] ================================================================================ [ 2208.960145] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2591:9 [ 2208.979648] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2209.004681] which requires 64 byte alignment [ 2209.021374] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2209.039324] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2209.068491] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2209.093126] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2209.116052] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2209.140457] Call Trace: [ 2209.148906] [] dump_stack+0xd7/0x132 [ 2209.161884] [] ? arch_local_irq_restore+0x1b/0x1b [ 2209.180373] [] ubsan_epilogue+0x12/0x53 [ 2209.197526] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2209.216778] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2209.239447] [] ? ubsan_epilogue+0x26/0x53 [ 2209.257090] [] ext4_mb_init+0xcc/0x1242 [ 2209.271626] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2209.293895] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2209.314797] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2209.331325] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2209.352665] [] ext4_fill_super+0x7dd7/0xa2df [ 2209.369237] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2209.388117] [] ? vsnprintf+0x1a0/0xa32 [ 2209.404485] [] ? pointer+0x7a9/0x7a9 [ 2209.422154] [] ? set_bdev_super+0x15d/0x15d [ 2209.441753] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2209.462849] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2209.483783] [] ? scnprintf+0xf3/0xf3 [ 2209.499914] [] mount_bdev+0x3cf/0x602 [ 2209.514473] [] ? mount_bdev+0x3cf/0x602 [ 2209.533826] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2209.551607] [] ext4_mount+0x3c/0x3e [ 2209.565385] [] mount_fs+0xd0/0x2ca [ 2209.580031] [] vfs_kern_mount+0xa0/0x20a [ 2209.596800] [] do_mount+0x11fe/0x19df [ 2209.612815] [] ? kasan_kmalloc+0x94/0xa3 [ 2209.628019] [] ? copy_mount_string+0x3d/0x3d [ 2209.647043] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2209.664141] [] ? __check_object_size+0x1e1/0x2b8 [ 2209.681018] [] ? 0xffffffffb1c002b8 [ 2209.697733] [] ? copy_mount_options+0x23d/0x24d [ 2209.713800] [] SyS_mount+0xa3/0xda [ 2209.728707] [] mount_block_root+0x2fc/0x650 [ 2209.745025] [] ? init_rootfs+0x99/0x99 [ 2209.761918] [] ? security_file_ioctl+0xa5/0xb4 [ 2209.779964] [] ? SyS_mknod+0x2f/0x36 [ 2209.797712] [] mount_root+0x45/0x48 [ 2209.814652] [] prepare_namespace+0x1cf/0x235 [ 2209.832383] [] kernel_init_freeable+0x4fa/0x518 [ 2209.850132] [] kernel_init+0x16/0x181 [ 2209.866807] [] ret_from_fork+0x1f/0x40 [ 2209.881697] [] ? rest_init+0x8f/0x8f [ 2209.896962] ================================================================================ [ 2209.926095] ================================================================================ [ 2209.950144] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2593:20 [ 2209.969109] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2209.995818] which requires 64 byte alignment [ 2210.005844] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2210.024593] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2210.053530] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2210.077776] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2210.102731] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2210.130522] Call Trace: [ 2210.137221] [] dump_stack+0xd7/0x132 [ 2210.158274] [] ? arch_local_irq_restore+0x1b/0x1b [ 2210.184649] [] ubsan_epilogue+0x12/0x53 [ 2210.206391] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2210.239943] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2210.280477] [] ? __kmalloc+0x2c1/0x2e7 [ 2210.304751] [] ? ext4_mb_init+0xf2/0x1242 [ 2210.328999] [] ? ubsan_epilogue+0x26/0x53 [ 2210.356649] [] ext4_mb_init+0x10f/0x1242 [ 2210.380866] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2210.412618] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2210.441023] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2210.473195] [] ext4_fill_super+0x7dd7/0xa2df [ 2210.498030] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2210.517889] [] ? vsnprintf+0x1a0/0xa32 [ 2210.535466] [] ? pointer+0x7a9/0x7a9 [ 2210.553526] [] ? set_bdev_super+0x15d/0x15d [ 2210.574245] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2210.593757] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2210.617956] [] ? scnprintf+0xf3/0xf3 [ 2210.635424] [] mount_bdev+0x3cf/0x602 [ 2210.655587] [] ? mount_bdev+0x3cf/0x602 [ 2210.675699] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2210.698569] [] ext4_mount+0x3c/0x3e [ 2210.717968] [] mount_fs+0xd0/0x2ca [ 2210.736542] [] vfs_kern_mount+0xa0/0x20a [ 2210.761645] [] do_mount+0x11fe/0x19df [ 2210.793349] [] ? kasan_kmalloc+0x94/0xa3 [ 2210.824790] [] ? copy_mount_string+0x3d/0x3d [ 2210.858486] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2210.891616] [] ? __check_object_size+0x1e1/0x2b8 [ 2210.924395] [] ? 0xffffffffb1c002b8 [ 2210.948207] [] ? copy_mount_options+0x23d/0x24d [ 2210.977037] [] SyS_mount+0xa3/0xda [ 2211.005611] [] mount_block_root+0x2fc/0x650 [ 2211.037219] [] ? init_rootfs+0x99/0x99 [ 2211.061442] [] ? security_file_ioctl+0xa5/0xb4 [ 2211.091523] [] ? SyS_mknod+0x2f/0x36 [ 2211.120561] [] mount_root+0x45/0x48 [ 2211.142491] [] prepare_namespace+0x1cf/0x235 [ 2211.174104] [] kernel_init_freeable+0x4fa/0x518 [ 2211.203455] [] kernel_init+0x16/0x181 [ 2211.226382] [] ret_from_fork+0x1f/0x40 [ 2211.256875] [] ? rest_init+0x8f/0x8f [ 2211.291140] ================================================================================ [ 2211.338320] ================================================================================ [ 2211.401305] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2594:9 [ 2211.429336] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2211.475573] which requires 64 byte alignment [ 2211.500527] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2211.527281] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2211.573608] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2211.611163] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2211.652296] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2211.687546] Call Trace: [ 2211.701547] [] dump_stack+0xd7/0x132 [ 2211.725838] [] ? arch_local_irq_restore+0x1b/0x1b [ 2211.759925] [] ubsan_epilogue+0x12/0x53 [ 2211.792318] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2211.825040] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2211.858629] [] ? __kmalloc+0x2c1/0x2e7 [ 2211.883433] [] ? ext4_mb_init+0xf2/0x1242 [ 2211.909824] [] ? ubsan_epilogue+0x26/0x53 [ 2211.937394] [] ext4_mb_init+0x146/0x1242 [ 2211.961579] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2211.991251] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2212.020978] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2212.052166] [] ext4_fill_super+0x7dd7/0xa2df [ 2212.078276] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2212.115929] [] ? vsnprintf+0x1a0/0xa32 [ 2212.142129] [] ? pointer+0x7a9/0x7a9 [ 2212.163038] [] ? set_bdev_super+0x15d/0x15d [ 2212.201568] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2212.229206] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2212.260612] [] ? scnprintf+0xf3/0xf3 [ 2212.286495] [] mount_bdev+0x3cf/0x602 [ 2212.308992] [] ? mount_bdev+0x3cf/0x602 [ 2212.330465] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2212.360045] [] ext4_mount+0x3c/0x3e [ 2212.385109] [] mount_fs+0xd0/0x2ca [ 2212.406175] [] vfs_kern_mount+0xa0/0x20a [ 2212.432768] [] do_mount+0x11fe/0x19df [ 2212.451605] [] ? kasan_kmalloc+0x94/0xa3 [ 2212.476521] [] ? copy_mount_string+0x3d/0x3d [ 2212.501464] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2212.526821] [] ? __check_object_size+0x1e1/0x2b8 [ 2212.555267] [] ? 0xffffffffb1c002b8 [ 2212.577915] [] ? copy_mount_options+0x23d/0x24d [ 2212.603207] [] SyS_mount+0xa3/0xda [ 2212.626232] [] mount_block_root+0x2fc/0x650 [ 2212.648677] [] ? init_rootfs+0x99/0x99 [ 2212.676663] [] ? security_file_ioctl+0xa5/0xb4 [ 2212.697795] [] ? SyS_mknod+0x2f/0x36 [ 2212.719188] [] mount_root+0x45/0x48 [ 2212.742083] [] prepare_namespace+0x1cf/0x235 [ 2212.769410] [] kernel_init_freeable+0x4fa/0x518 [ 2212.794595] [] kernel_init+0x16/0x181 [ 2212.810669] [] ret_from_fork+0x1f/0x40 [ 2212.830865] [] ? rest_init+0x8f/0x8f [ 2212.846261] ================================================================================ [ 2212.875275] ================================================================================ [ 2212.902694] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2599:9 [ 2212.923012] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2212.951585] which requires 64 byte alignment [ 2212.963185] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2212.986513] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2213.016370] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2213.040748] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2213.063579] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2213.086923] Call Trace: [ 2213.094277] [] dump_stack+0xd7/0x132 [ 2213.111640] [] ? arch_local_irq_restore+0x1b/0x1b [ 2213.131410] [] ubsan_epilogue+0x12/0x53 [ 2213.144897] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2213.168587] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2213.191651] [] ? __kmalloc+0x2c1/0x2e7 [ 2213.207583] [] ? ext4_mb_init+0xf2/0x1242 [ 2213.225100] [] ? ubsan_epilogue+0x26/0x53 [ 2213.241143] [] ext4_mb_init+0x16e/0x1242 [ 2213.257789] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2213.281790] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2213.302573] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2213.320042] [] ext4_fill_super+0x7dd7/0xa2df [ 2213.335265] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2213.354712] [] ? vsnprintf+0x1a0/0xa32 [ 2213.370695] [] ? pointer+0x7a9/0x7a9 [ 2213.387863] [] ? set_bdev_super+0x15d/0x15d [ 2213.405424] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2213.426451] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2213.453457] [] ? scnprintf+0xf3/0xf3 [ 2213.469466] [] mount_bdev+0x3cf/0x602 [ 2213.488742] [] ? mount_bdev+0x3cf/0x602 [ 2213.507094] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2213.527954] [] ext4_mount+0x3c/0x3e [ 2213.547042] [] mount_fs+0xd0/0x2ca [ 2213.565725] [] vfs_kern_mount+0xa0/0x20a [ 2213.584263] [] do_mount+0x11fe/0x19df [ 2213.602096] [] ? kasan_kmalloc+0x94/0xa3 [ 2213.619633] [] ? copy_mount_string+0x3d/0x3d [ 2213.636294] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2213.656606] [] ? __check_object_size+0x1e1/0x2b8 [ 2213.676254] [] ? 0xffffffffb1c002b8 [ 2213.693251] [] ? copy_mount_options+0x23d/0x24d [ 2213.715912] [] SyS_mount+0xa3/0xda [ 2213.733694] [] mount_block_root+0x2fc/0x650 [ 2213.761184] [] ? init_rootfs+0x99/0x99 [ 2213.779468] [] ? security_file_ioctl+0xa5/0xb4 [ 2213.798556] [] ? SyS_mknod+0x2f/0x36 [ 2213.815402] [] mount_root+0x45/0x48 [ 2213.830994] [] prepare_namespace+0x1cf/0x235 [ 2213.849024] [] kernel_init_freeable+0x4fa/0x518 [ 2213.866417] [] kernel_init+0x16/0x181 [ 2213.882061] [] ret_from_fork+0x1f/0x40 [ 2213.898041] [] ? rest_init+0x8f/0x8f [ 2213.914533] ================================================================================ [ 2213.939064] ================================================================================ [ 2213.962847] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2600:17 [ 2213.982882] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2214.010530] which requires 64 byte alignment [ 2214.024714] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2214.042223] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2214.081131] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2214.120020] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2214.156109] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2214.186352] Call Trace: [ 2214.198279] [] dump_stack+0xd7/0x132 [ 2214.217651] [] ? arch_local_irq_restore+0x1b/0x1b [ 2214.247360] [] ubsan_epilogue+0x12/0x53 [ 2214.276962] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2214.306667] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2214.339489] [] ? __kmalloc+0x2c1/0x2e7 [ 2214.401719] [] ? ext4_mb_init+0x18e/0x1242 [ 2214.461665] [] ? ubsan_epilogue+0x26/0x53 [ 2214.490049] [] ext4_mb_init+0x1ab/0x1242 [ 2214.519523] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2214.549043] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2214.573489] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2214.605487] [] ext4_fill_super+0x7dd7/0xa2df [ 2214.624834] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2214.656919] [] ? vsnprintf+0x1a0/0xa32 [ 2214.683030] [] ? pointer+0x7a9/0x7a9 [ 2214.715462] [] ? set_bdev_super+0x15d/0x15d [ 2214.743907] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2214.801446] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2214.834057] [] ? scnprintf+0xf3/0xf3 [ 2214.854998] [] mount_bdev+0x3cf/0x602 [ 2214.877108] [] ? mount_bdev+0x3cf/0x602 [ 2214.902333] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2214.938160] [] ext4_mount+0x3c/0x3e [ 2214.962285] [] mount_fs+0xd0/0x2ca [ 2214.979943] [] vfs_kern_mount+0xa0/0x20a [ 2215.003875] [] do_mount+0x11fe/0x19df [ 2215.026510] [] ? kasan_kmalloc+0x94/0xa3 [ 2215.050590] [] ? copy_mount_string+0x3d/0x3d [ 2215.084008] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2215.105001] [] ? __check_object_size+0x1e1/0x2b8 [ 2215.123634] [] ? 0xffffffffb1c002b8 [ 2215.142050] [] ? copy_mount_options+0x23d/0x24d [ 2215.162242] [] SyS_mount+0xa3/0xda [ 2215.183332] [] mount_block_root+0x2fc/0x650 [ 2215.202818] [] ? init_rootfs+0x99/0x99 [ 2215.222989] [] ? security_file_ioctl+0xa5/0xb4 [ 2215.240432] [] ? SyS_mknod+0x2f/0x36 [ 2215.258074] [] mount_root+0x45/0x48 [ 2215.273836] [] prepare_namespace+0x1cf/0x235 [ 2215.293807] [] kernel_init_freeable+0x4fa/0x518 [ 2215.320301] [] kernel_init+0x16/0x181 [ 2215.339450] [] ret_from_fork+0x1f/0x40 [ 2215.360261] [] ? rest_init+0x8f/0x8f [ 2215.387743] ================================================================================ [ 2215.425562] ================================================================================ [ 2215.459913] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2601:9 [ 2215.484609] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2215.517016] which requires 64 byte alignment [ 2215.533733] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2215.555087] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2215.586035] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2215.611250] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2215.636917] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2215.666635] Call Trace: [ 2215.676551] [] dump_stack+0xd7/0x132 [ 2215.698291] [] ? arch_local_irq_restore+0x1b/0x1b [ 2215.719533] [] ubsan_epilogue+0x12/0x53 [ 2215.737017] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2215.758470] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2215.779287] [] ? __kmalloc+0x2c1/0x2e7 [ 2215.794708] [] ? ext4_mb_init+0x18e/0x1242 [ 2215.810080] [] ? ubsan_epilogue+0x26/0x53 [ 2215.826443] [] ext4_mb_init+0x1e2/0x1242 [ 2215.845574] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2215.866745] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2215.886451] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2215.907951] [] ext4_fill_super+0x7dd7/0xa2df [ 2215.925819] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2215.943841] [] ? vsnprintf+0x1a0/0xa32 [ 2215.964041] [] ? pointer+0x7a9/0x7a9 [ 2215.981429] [] ? set_bdev_super+0x15d/0x15d [ 2216.002712] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2216.024184] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2216.047001] [] ? scnprintf+0xf3/0xf3 [ 2216.065279] [] mount_bdev+0x3cf/0x602 [ 2216.082206] [] ? mount_bdev+0x3cf/0x602 [ 2216.102168] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2216.122122] [] ext4_mount+0x3c/0x3e [ 2216.138481] [] mount_fs+0xd0/0x2ca [ 2216.155863] [] vfs_kern_mount+0xa0/0x20a [ 2216.177767] [] do_mount+0x11fe/0x19df [ 2216.201900] [] ? kasan_kmalloc+0x94/0xa3 [ 2216.220575] [] ? copy_mount_string+0x3d/0x3d [ 2216.237718] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2216.258372] [] ? __check_object_size+0x1e1/0x2b8 [ 2216.279086] [] ? 0xffffffffb1c002b8 [ 2216.297949] [] ? copy_mount_options+0x23d/0x24d [ 2216.319068] [] SyS_mount+0xa3/0xda [ 2216.332794] [] mount_block_root+0x2fc/0x650 [ 2216.353115] [] ? init_rootfs+0x99/0x99 [ 2216.370816] [] ? security_file_ioctl+0xa5/0xb4 [ 2216.386084] [] ? SyS_mknod+0x2f/0x36 [ 2216.401508] [] mount_root+0x45/0x48 [ 2216.418919] [] prepare_namespace+0x1cf/0x235 [ 2216.438769] [] kernel_init_freeable+0x4fa/0x518 [ 2216.456386] [] kernel_init+0x16/0x181 [ 2216.475696] [] ret_from_fork+0x1f/0x40 [ 2216.494102] [] ? rest_init+0x8f/0x8f [ 2216.512308] ================================================================================ [ 2216.545249] ================================================================================ [ 2216.571094] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2606:8 [ 2216.589735] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2216.619285] which requires 64 byte alignment [ 2216.631853] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2216.651898] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2216.680437] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2216.707032] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2216.734413] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2216.771739] Call Trace: [ 2216.783513] [] dump_stack+0xd7/0x132 [ 2216.807007] [] ? arch_local_irq_restore+0x1b/0x1b [ 2216.828336] [] ubsan_epilogue+0x12/0x53 [ 2216.848168] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2216.869478] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2216.893510] [] ? __kmalloc+0x2c1/0x2e7 [ 2216.909420] [] ? ext4_mb_init+0x18e/0x1242 [ 2216.928520] [] ? ubsan_epilogue+0x26/0x53 [ 2216.947689] [] ext4_mb_init+0x20a/0x1242 [ 2216.963502] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2216.986345] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2217.008051] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2217.027197] [] ext4_fill_super+0x7dd7/0xa2df [ 2217.046040] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2217.071196] [] ? vsnprintf+0x1a0/0xa32 [ 2217.089586] [] ? pointer+0x7a9/0x7a9 [ 2217.110672] [] ? set_bdev_super+0x15d/0x15d [ 2217.135389] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2217.161474] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2217.187207] [] ? scnprintf+0xf3/0xf3 [ 2217.204172] [] mount_bdev+0x3cf/0x602 [ 2217.220664] [] ? mount_bdev+0x3cf/0x602 [ 2217.238917] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2217.264253] [] ext4_mount+0x3c/0x3e [ 2217.281093] [] mount_fs+0xd0/0x2ca [ 2217.297657] [] vfs_kern_mount+0xa0/0x20a [ 2217.316832] [] do_mount+0x11fe/0x19df [ 2217.332277] [] ? kasan_kmalloc+0x94/0xa3 [ 2217.349623] [] ? copy_mount_string+0x3d/0x3d [ 2217.371176] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2217.392169] [] ? __check_object_size+0x1e1/0x2b8 [ 2217.414424] [] ? 0xffffffffb1c002b8 [ 2217.435718] [] ? copy_mount_options+0x23d/0x24d [ 2217.460298] [] SyS_mount+0xa3/0xda [ 2217.480538] [] mount_block_root+0x2fc/0x650 [ 2217.509539] [] ? init_rootfs+0x99/0x99 [ 2217.533816] [] ? security_file_ioctl+0xa5/0xb4 [ 2217.561169] [] ? SyS_mknod+0x2f/0x36 [ 2217.581421] [] mount_root+0x45/0x48 [ 2217.603845] [] prepare_namespace+0x1cf/0x235 [ 2217.629443] [] kernel_init_freeable+0x4fa/0x518 [ 2217.654486] [] kernel_init+0x16/0x181 [ 2217.674736] [] ret_from_fork+0x1f/0x40 [ 2217.700145] [] ? rest_init+0x8f/0x8f [ 2217.721603] ================================================================================ [ 2217.775824] ================================================================================ [ 2217.805374] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2611:5 [ 2217.826746] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2217.862554] which requires 64 byte alignment [ 2217.877690] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2217.902765] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2217.933959] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2217.957810] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2217.980640] ffffffff00000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2218.008034] Call Trace: [ 2218.017384] [] dump_stack+0xd7/0x132 [ 2218.030558] [] ? arch_local_irq_restore+0x1b/0x1b [ 2218.053312] [] ubsan_epilogue+0x12/0x53 [ 2218.069283] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2218.089847] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2218.112672] [] ? put_online_cpus+0xb1/0xb4 [ 2218.129753] [] ? kmem_cache_create+0xe7/0x129 [ 2218.148226] [] ext4_mb_init+0x604/0x1242 [ 2218.167373] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2218.190655] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2218.221585] [] ext4_fill_super+0x7dd7/0xa2df [ 2218.243727] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2218.270486] [] ? vsnprintf+0x1a0/0xa32 [ 2218.295994] [] ? pointer+0x7a9/0x7a9 [ 2218.321973] [] ? set_bdev_super+0x15d/0x15d [ 2218.345376] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2218.379581] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2218.412394] [] ? scnprintf+0xf3/0xf3 [ 2218.435879] [] mount_bdev+0x3cf/0x602 [ 2218.458502] [] ? mount_bdev+0x3cf/0x602 [ 2218.480386] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2218.510490] [] ext4_mount+0x3c/0x3e [ 2218.536927] [] mount_fs+0xd0/0x2ca [ 2218.557725] [] vfs_kern_mount+0xa0/0x20a [ 2218.580069] [] do_mount+0x11fe/0x19df [ 2218.601825] [] ? kasan_kmalloc+0x94/0xa3 [ 2218.622371] [] ? copy_mount_string+0x3d/0x3d [ 2218.639845] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2218.660605] [] ? __check_object_size+0x1e1/0x2b8 [ 2218.680775] [] ? 0xffffffffb1c002b8 [ 2218.702432] [] ? copy_mount_options+0x23d/0x24d [ 2218.725365] [] SyS_mount+0xa3/0xda [ 2218.740963] [] mount_block_root+0x2fc/0x650 [ 2218.761293] [] ? init_rootfs+0x99/0x99 [ 2218.778478] [] ? security_file_ioctl+0xa5/0xb4 [ 2218.798459] [] ? SyS_mknod+0x2f/0x36 [ 2218.815194] [] mount_root+0x45/0x48 [ 2218.832990] [] prepare_namespace+0x1cf/0x235 [ 2218.854767] [] kernel_init_freeable+0x4fa/0x518 [ 2218.873232] [] kernel_init+0x16/0x181 [ 2218.891774] [] ret_from_fork+0x1f/0x40 [ 2218.906136] [] ? rest_init+0x8f/0x8f [ 2218.922462] ================================================================================ [ 2218.950874] ================================================================================ [ 2218.976782] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2611:24 [ 2218.997192] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2219.026712] which requires 64 byte alignment [ 2219.042061] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2219.059716] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2219.097225] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2219.121661] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2219.145981] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2219.173756] Call Trace: [ 2219.180202] [] dump_stack+0xd7/0x132 [ 2219.197256] [] ? arch_local_irq_restore+0x1b/0x1b [ 2219.221877] [] ubsan_epilogue+0x12/0x53 [ 2219.242517] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2219.273283] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2219.311979] [] ? put_online_cpus+0xb1/0xb4 [ 2219.360310] [] ? kmem_cache_create+0xe7/0x129 [ 2219.413614] [] ext4_mb_init+0x631/0x1242 [ 2219.447475] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2219.477344] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2219.505244] [] ext4_fill_super+0x7dd7/0xa2df [ 2219.530728] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2219.558394] [] ? vsnprintf+0x1a0/0xa32 [ 2219.579942] [] ? pointer+0x7a9/0x7a9 [ 2219.604456] [] ? set_bdev_super+0x15d/0x15d [ 2219.629227] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2219.655884] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2219.680150] [] ? scnprintf+0xf3/0xf3 [ 2219.696660] [] mount_bdev+0x3cf/0x602 [ 2219.712878] [] ? mount_bdev+0x3cf/0x602 [ 2219.729954] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2219.752436] [] ext4_mount+0x3c/0x3e [ 2219.766172] [] mount_fs+0xd0/0x2ca [ 2219.778755] [] vfs_kern_mount+0xa0/0x20a [ 2219.794495] [] do_mount+0x11fe/0x19df [ 2219.809364] [] ? kasan_kmalloc+0x94/0xa3 [ 2219.825372] [] ? copy_mount_string+0x3d/0x3d [ 2219.844158] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2219.863113] [] ? __check_object_size+0x1e1/0x2b8 [ 2219.881958] [] ? 0xffffffffb1c002b8 [ 2219.900999] [] ? copy_mount_options+0x23d/0x24d [ 2219.920619] [] SyS_mount+0xa3/0xda [ 2219.939568] [] mount_block_root+0x2fc/0x650 [ 2219.958300] [] ? init_rootfs+0x99/0x99 [ 2219.976252] [] ? security_file_ioctl+0xa5/0xb4 [ 2219.996371] [] ? SyS_mknod+0x2f/0x36 [ 2220.014427] [] mount_root+0x45/0x48 [ 2220.030217] [] prepare_namespace+0x1cf/0x235 [ 2220.048974] [] kernel_init_freeable+0x4fa/0x518 [ 2220.068402] [] kernel_init+0x16/0x181 [ 2220.084311] [] ret_from_fork+0x1f/0x40 [ 2220.101822] [] ? rest_init+0x8f/0x8f [ 2220.120137] ================================================================================ [ 2220.146755] ================================================================================ [ 2220.174609] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2612:5 [ 2220.196869] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2220.224777] which requires 64 byte alignment [ 2220.237196] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2220.255709] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2220.287058] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2220.312235] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2220.336264] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2220.364268] Call Trace: [ 2220.374044] [] dump_stack+0xd7/0x132 [ 2220.390239] [] ? arch_local_irq_restore+0x1b/0x1b [ 2220.413940] [] ubsan_epilogue+0x12/0x53 [ 2220.431456] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2220.452549] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2220.479710] [] ? put_online_cpus+0xb1/0xb4 [ 2220.498266] [] ? kmem_cache_create+0xe7/0x129 [ 2220.517195] [] ext4_mb_init+0x684/0x1242 [ 2220.530572] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2220.549593] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2220.569261] [] ext4_fill_super+0x7dd7/0xa2df [ 2220.585608] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2220.607066] [] ? vsnprintf+0x1a0/0xa32 [ 2220.623847] [] ? pointer+0x7a9/0x7a9 [ 2220.641508] [] ? set_bdev_super+0x15d/0x15d [ 2220.659326] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2220.680411] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2220.704627] [] ? scnprintf+0xf3/0xf3 [ 2220.725712] [] mount_bdev+0x3cf/0x602 [ 2220.743773] [] ? mount_bdev+0x3cf/0x602 [ 2220.760063] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2220.780429] [] ext4_mount+0x3c/0x3e [ 2220.799751] [] mount_fs+0xd0/0x2ca [ 2220.816336] [] vfs_kern_mount+0xa0/0x20a [ 2220.837305] [] do_mount+0x11fe/0x19df [ 2220.855353] [] ? kasan_kmalloc+0x94/0xa3 [ 2220.871873] [] ? copy_mount_string+0x3d/0x3d [ 2220.888890] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2220.910445] [] ? __check_object_size+0x1e1/0x2b8 [ 2220.938784] [] ? 0xffffffffb1c002b8 [ 2220.955104] [] ? copy_mount_options+0x23d/0x24d [ 2220.978449] [] SyS_mount+0xa3/0xda [ 2220.997523] [] mount_block_root+0x2fc/0x650 [ 2221.017988] [] ? init_rootfs+0x99/0x99 [ 2221.036853] [] ? security_file_ioctl+0xa5/0xb4 [ 2221.059232] [] ? SyS_mknod+0x2f/0x36 [ 2221.078287] [] mount_root+0x45/0x48 [ 2221.098777] [] prepare_namespace+0x1cf/0x235 [ 2221.120129] [] kernel_init_freeable+0x4fa/0x518 [ 2221.144673] [] kernel_init+0x16/0x181 [ 2221.165936] [] ret_from_fork+0x1f/0x40 [ 2221.182060] [] ? rest_init+0x8f/0x8f [ 2221.199960] ================================================================================ [ 2221.234661] ================================================================================ [ 2221.267362] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2616:24 [ 2221.286538] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2221.320107] which requires 64 byte alignment [ 2221.333649] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2221.356885] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2221.389028] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2221.419293] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2221.486517] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2221.561750] Call Trace: [ 2221.580493] [] dump_stack+0xd7/0x132 [ 2221.631460] [] ? arch_local_irq_restore+0x1b/0x1b [ 2221.683698] [] ubsan_epilogue+0x12/0x53 [ 2221.711018] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2221.736463] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2221.765626] [] ? put_online_cpus+0xb1/0xb4 [ 2221.785392] [] ? kmem_cache_create+0xe7/0x129 [ 2221.806505] [] ext4_mb_init+0x6d7/0x1242 [ 2221.826897] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2221.854905] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2221.879526] [] ext4_fill_super+0x7dd7/0xa2df [ 2221.900069] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2221.925044] [] ? vsnprintf+0x1a0/0xa32 [ 2221.946264] [] ? pointer+0x7a9/0x7a9 [ 2221.964519] [] ? set_bdev_super+0x15d/0x15d [ 2221.988787] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2222.016086] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2222.044041] [] ? scnprintf+0xf3/0xf3 [ 2222.081225] [] mount_bdev+0x3cf/0x602 [ 2222.101934] [] ? mount_bdev+0x3cf/0x602 [ 2222.119119] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2222.142399] [] ext4_mount+0x3c/0x3e [ 2222.159371] [] mount_fs+0xd0/0x2ca [ 2222.177163] [] vfs_kern_mount+0xa0/0x20a [ 2222.199194] [] do_mount+0x11fe/0x19df [ 2222.216945] [] ? kasan_kmalloc+0x94/0xa3 [ 2222.234372] [] ? copy_mount_string+0x3d/0x3d [ 2222.257384] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2222.292825] [] ? __check_object_size+0x1e1/0x2b8 [ 2222.339379] [] ? 0xffffffffb1c002b8 [ 2222.370572] [] ? copy_mount_options+0x23d/0x24d [ 2222.405262] [] SyS_mount+0xa3/0xda [ 2222.437366] [] mount_block_root+0x2fc/0x650 [ 2222.470000] [] ? init_rootfs+0x99/0x99 [ 2222.502488] [] ? security_file_ioctl+0xa5/0xb4 [ 2222.539623] [] ? SyS_mknod+0x2f/0x36 [ 2222.565168] [] mount_root+0x45/0x48 [ 2222.585373] [] prepare_namespace+0x1cf/0x235 [ 2222.619578] [] kernel_init_freeable+0x4fa/0x518 [ 2222.645522] [] kernel_init+0x16/0x181 [ 2222.669605] [] ret_from_fork+0x1f/0x40 [ 2222.695405] [] ? rest_init+0x8f/0x8f [ 2222.711095] ================================================================================ [ 2222.744196] ================================================================================ [ 2222.772940] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2617:10 [ 2222.802342] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2222.840866] which requires 64 byte alignment [ 2222.860754] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2222.891704] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2222.928035] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2222.965906] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2222.996636] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2223.023604] Call Trace: [ 2223.034473] [] dump_stack+0xd7/0x132 [ 2223.059847] [] ? arch_local_irq_restore+0x1b/0x1b [ 2223.084807] [] ubsan_epilogue+0x12/0x53 [ 2223.105954] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2223.133390] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2223.159885] [] ? put_online_cpus+0xb1/0xb4 [ 2223.185606] [] ? kmem_cache_create+0xe7/0x129 [ 2223.208468] [] ext4_mb_init+0x733/0x1242 [ 2223.228164] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2223.255343] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2223.278059] [] ext4_fill_super+0x7dd7/0xa2df [ 2223.302591] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2223.326884] [] ? vsnprintf+0x1a0/0xa32 [ 2223.346208] [] ? pointer+0x7a9/0x7a9 [ 2223.365023] [] ? set_bdev_super+0x15d/0x15d [ 2223.388951] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2223.420560] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2223.447730] [] ? scnprintf+0xf3/0xf3 [ 2223.466226] [] mount_bdev+0x3cf/0x602 [ 2223.483554] [] ? mount_bdev+0x3cf/0x602 [ 2223.501023] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2223.525715] [] ext4_mount+0x3c/0x3e [ 2223.541373] [] mount_fs+0xd0/0x2ca [ 2223.560738] [] vfs_kern_mount+0xa0/0x20a [ 2223.579221] [] do_mount+0x11fe/0x19df [ 2223.596233] [] ? kasan_kmalloc+0x94/0xa3 [ 2223.613947] [] ? copy_mount_string+0x3d/0x3d [ 2223.631597] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2223.649508] [] ? __check_object_size+0x1e1/0x2b8 [ 2223.666703] [] ? 0xffffffffb1c002b8 [ 2223.681144] [] ? copy_mount_options+0x23d/0x24d [ 2223.701875] [] SyS_mount+0xa3/0xda [ 2223.719641] [] mount_block_root+0x2fc/0x650 [ 2223.737563] [] ? init_rootfs+0x99/0x99 [ 2223.754333] [] ? security_file_ioctl+0xa5/0xb4 [ 2223.775848] [] ? SyS_mknod+0x2f/0x36 [ 2223.793155] [] mount_root+0x45/0x48 [ 2223.805707] [] prepare_namespace+0x1cf/0x235 [ 2223.828627] [] kernel_init_freeable+0x4fa/0x518 [ 2223.848227] [] kernel_init+0x16/0x181 [ 2223.863848] [] ret_from_fork+0x1f/0x40 [ 2223.882861] [] ? rest_init+0x8f/0x8f [ 2223.903221] ================================================================================ [ 2223.933585] ================================================================================ [ 2223.960836] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2619:6 [ 2223.978577] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2224.005349] which requires 64 byte alignment [ 2224.018845] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2224.039774] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2224.071210] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2224.097446] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2224.121354] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2224.143925] Call Trace: [ 2224.152328] [] dump_stack+0xd7/0x132 [ 2224.169000] [] ? arch_local_irq_restore+0x1b/0x1b [ 2224.189592] [] ubsan_epilogue+0x12/0x53 [ 2224.208179] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2224.232756] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2224.254327] [] ? put_online_cpus+0xb1/0xb4 [ 2224.271922] [] ? kmem_cache_create+0xe7/0x129 [ 2224.288761] [] ext4_mb_init+0x789/0x1242 [ 2224.305583] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2224.327345] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2224.350474] [] ext4_fill_super+0x7dd7/0xa2df [ 2224.369999] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2224.388875] [] ? vsnprintf+0x1a0/0xa32 [ 2224.405112] [] ? pointer+0x7a9/0x7a9 [ 2224.423386] [] ? set_bdev_super+0x15d/0x15d [ 2224.443787] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2224.467669] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2224.489196] [] ? scnprintf+0xf3/0xf3 [ 2224.503361] [] mount_bdev+0x3cf/0x602 [ 2224.521144] [] ? mount_bdev+0x3cf/0x602 [ 2224.538946] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2224.559571] [] ext4_mount+0x3c/0x3e [ 2224.580207] [] mount_fs+0xd0/0x2ca [ 2224.599088] [] vfs_kern_mount+0xa0/0x20a [ 2224.616033] [] do_mount+0x11fe/0x19df [ 2224.632078] [] ? kasan_kmalloc+0x94/0xa3 [ 2224.651415] [] ? copy_mount_string+0x3d/0x3d [ 2224.669293] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2224.689406] [] ? __check_object_size+0x1e1/0x2b8 [ 2224.706161] [] ? 0xffffffffb1c002b8 [ 2224.722481] [] ? copy_mount_options+0x23d/0x24d [ 2224.744889] [] SyS_mount+0xa3/0xda [ 2224.759650] [] mount_block_root+0x2fc/0x650 [ 2224.777974] [] ? init_rootfs+0x99/0x99 [ 2224.795068] [] ? security_file_ioctl+0xa5/0xb4 [ 2224.812417] [] ? SyS_mknod+0x2f/0x36 [ 2224.830104] [] mount_root+0x45/0x48 [ 2224.845870] [] prepare_namespace+0x1cf/0x235 [ 2224.861903] [] kernel_init_freeable+0x4fa/0x518 [ 2224.885263] [] kernel_init+0x16/0x181 [ 2224.901718] [] ret_from_fork+0x1f/0x40 [ 2224.918421] [] ? rest_init+0x8f/0x8f [ 2224.934964] ================================================================================ [ 2224.968628] ================================================================================ [ 2224.998041] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2620:6 [ 2225.016219] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2225.044026] which requires 64 byte alignment [ 2225.056610] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2225.075064] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2225.104976] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2225.128651] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2225.156102] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2225.177387] Call Trace: [ 2225.184554] [] dump_stack+0xd7/0x132 [ 2225.200262] [] ? arch_local_irq_restore+0x1b/0x1b [ 2225.219622] [] ubsan_epilogue+0x12/0x53 [ 2225.234487] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2225.255577] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2225.277582] [] ? put_online_cpus+0xb1/0xb4 [ 2225.294416] [] ? kmem_cache_create+0xe7/0x129 [ 2225.313402] [] ext4_mb_init+0x7f6/0x1242 [ 2225.333133] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2225.353556] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2225.372672] [] ext4_fill_super+0x7dd7/0xa2df [ 2225.390087] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2225.411636] [] ? vsnprintf+0x1a0/0xa32 [ 2225.428493] [] ? pointer+0x7a9/0x7a9 [ 2225.445281] [] ? set_bdev_super+0x15d/0x15d [ 2225.462075] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2225.484843] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2225.510495] [] ? scnprintf+0xf3/0xf3 [ 2225.525035] [] mount_bdev+0x3cf/0x602 [ 2225.541804] [] ? mount_bdev+0x3cf/0x602 [ 2225.560485] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2225.580070] [] ext4_mount+0x3c/0x3e [ 2225.597967] [] mount_fs+0xd0/0x2ca [ 2225.613970] [] vfs_kern_mount+0xa0/0x20a [ 2225.630500] [] do_mount+0x11fe/0x19df [ 2225.649890] [] ? kasan_kmalloc+0x94/0xa3 [ 2225.669620] [] ? copy_mount_string+0x3d/0x3d [ 2225.693008] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2225.712596] [] ? __check_object_size+0x1e1/0x2b8 [ 2225.732762] [] ? 0xffffffffb1c002b8 [ 2225.748195] [] ? copy_mount_options+0x23d/0x24d [ 2225.768039] [] SyS_mount+0xa3/0xda [ 2225.783352] [] mount_block_root+0x2fc/0x650 [ 2225.801814] [] ? init_rootfs+0x99/0x99 [ 2225.820282] [] ? security_file_ioctl+0xa5/0xb4 [ 2225.839966] [] ? SyS_mknod+0x2f/0x36 [ 2225.855518] [] mount_root+0x45/0x48 [ 2225.875810] [] prepare_namespace+0x1cf/0x235 [ 2225.899929] [] kernel_init_freeable+0x4fa/0x518 [ 2225.920165] [] kernel_init+0x16/0x181 [ 2225.936004] [] ret_from_fork+0x1f/0x40 [ 2225.954261] [] ? rest_init+0x8f/0x8f [ 2225.969878] ================================================================================ [ 2225.998130] ================================================================================ [ 2226.023022] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2625:18 [ 2226.043002] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2226.072691] which requires 64 byte alignment [ 2226.085577] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2226.104015] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2226.134309] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2226.155648] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2226.176427] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2226.199668] Call Trace: [ 2226.208333] [] dump_stack+0xd7/0x132 [ 2226.222167] [] ? arch_local_irq_restore+0x1b/0x1b [ 2226.241140] [] ubsan_epilogue+0x12/0x53 [ 2226.258170] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2226.279386] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2226.303965] [] ? put_online_cpus+0xb1/0xb4 [ 2226.324067] [] ? kmem_cache_create+0xe7/0x129 [ 2226.347448] [] ext4_mb_init+0x86b/0x1242 [ 2226.365748] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2226.389605] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2226.410170] [] ext4_fill_super+0x7dd7/0xa2df [ 2226.431198] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2226.453666] [] ? vsnprintf+0x1a0/0xa32 [ 2226.474701] [] ? pointer+0x7a9/0x7a9 [ 2226.492027] [] ? set_bdev_super+0x15d/0x15d [ 2226.512862] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2226.536564] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2226.563407] [] ? scnprintf+0xf3/0xf3 [ 2226.584338] [] mount_bdev+0x3cf/0x602 [ 2226.602492] [] ? mount_bdev+0x3cf/0x602 [ 2226.622008] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2226.645369] [] ext4_mount+0x3c/0x3e [ 2226.667754] [] mount_fs+0xd0/0x2ca [ 2226.685151] [] vfs_kern_mount+0xa0/0x20a [ 2226.703397] [] do_mount+0x11fe/0x19df [ 2226.726271] [] ? kasan_kmalloc+0x94/0xa3 [ 2226.750033] [] ? copy_mount_string+0x3d/0x3d [ 2226.773519] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2226.796044] [] ? __check_object_size+0x1e1/0x2b8 [ 2226.817734] [] ? 0xffffffffb1c002b8 [ 2226.835959] [] ? copy_mount_options+0x23d/0x24d [ 2226.855711] [] SyS_mount+0xa3/0xda [ 2226.875134] [] mount_block_root+0x2fc/0x650 [ 2226.897693] [] ? init_rootfs+0x99/0x99 [ 2226.915660] [] ? security_file_ioctl+0xa5/0xb4 [ 2226.936120] [] ? SyS_mknod+0x2f/0x36 [ 2226.953611] [] mount_root+0x45/0x48 [ 2226.969280] [] prepare_namespace+0x1cf/0x235 [ 2226.988293] [] kernel_init_freeable+0x4fa/0x518 [ 2227.008136] [] kernel_init+0x16/0x181 [ 2227.027241] [] ret_from_fork+0x1f/0x40 [ 2227.055615] [] ? rest_init+0x8f/0x8f [ 2227.078193] ================================================================================ [ 2227.110173] ================================================================================ [ 2227.145551] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2627:2 [ 2227.169914] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2227.202138] which requires 64 byte alignment [ 2227.216502] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2227.235755] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2227.264681] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2227.291107] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2227.318526] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2227.342156] Call Trace: [ 2227.352356] [] dump_stack+0xd7/0x132 [ 2227.367315] [] ? arch_local_irq_restore+0x1b/0x1b [ 2227.388635] [] ubsan_epilogue+0x12/0x53 [ 2227.414868] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2227.445373] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2227.468920] [] ? put_online_cpus+0xb1/0xb4 [ 2227.485925] [] ? kmem_cache_create+0xe7/0x129 [ 2227.506404] [] ext4_mb_init+0x8a6/0x1242 [ 2227.522860] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2227.544225] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2227.566480] [] ext4_fill_super+0x7dd7/0xa2df [ 2227.584313] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2227.605258] [] ? vsnprintf+0x1a0/0xa32 [ 2227.623616] [] ? pointer+0x7a9/0x7a9 [ 2227.642353] [] ? set_bdev_super+0x15d/0x15d [ 2227.663876] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2227.691260] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2227.715741] [] ? scnprintf+0xf3/0xf3 [ 2227.734338] [] mount_bdev+0x3cf/0x602 [ 2227.751415] [] ? mount_bdev+0x3cf/0x602 [ 2227.773791] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2227.796738] [] ext4_mount+0x3c/0x3e [ 2227.817109] [] mount_fs+0xd0/0x2ca [ 2227.834083] [] vfs_kern_mount+0xa0/0x20a [ 2227.852266] [] do_mount+0x11fe/0x19df [ 2227.873506] [] ? kasan_kmalloc+0x94/0xa3 [ 2227.898535] [] ? copy_mount_string+0x3d/0x3d [ 2227.918060] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2227.940038] [] ? __check_object_size+0x1e1/0x2b8 [ 2227.958473] [] ? 0xffffffffb1c002b8 [ 2227.979236] [] ? copy_mount_options+0x23d/0x24d [ 2228.000679] [] SyS_mount+0xa3/0xda [ 2228.020728] [] mount_block_root+0x2fc/0x650 [ 2228.043792] [] ? init_rootfs+0x99/0x99 [ 2228.061836] [] ? security_file_ioctl+0xa5/0xb4 [ 2228.085378] [] ? SyS_mknod+0x2f/0x36 [ 2228.105330] [] mount_root+0x45/0x48 [ 2228.123583] [] prepare_namespace+0x1cf/0x235 [ 2228.147162] [] kernel_init_freeable+0x4fa/0x518 [ 2228.169898] [] kernel_init+0x16/0x181 [ 2228.187626] [] ret_from_fork+0x1f/0x40 [ 2228.207824] [] ? rest_init+0x8f/0x8f [ 2228.226011] ================================================================================ [ 2228.255126] ================================================================================ [ 2228.279561] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2628:2 [ 2228.301717] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2228.333904] which requires 64 byte alignment [ 2228.346911] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2228.365889] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2228.397375] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2228.419078] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2228.442945] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2228.472323] Call Trace: [ 2228.479765] [] dump_stack+0xd7/0x132 [ 2228.499194] [] ? arch_local_irq_restore+0x1b/0x1b [ 2228.521900] [] ubsan_epilogue+0x12/0x53 [ 2228.542658] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2228.568603] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2228.595501] [] ? put_online_cpus+0xb1/0xb4 [ 2228.615216] [] ? kmem_cache_create+0xe7/0x129 [ 2228.635485] [] ext4_mb_init+0x8d7/0x1242 [ 2228.654342] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2228.676185] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2228.698538] [] ext4_fill_super+0x7dd7/0xa2df [ 2228.717946] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2228.737226] [] ? vsnprintf+0x1a0/0xa32 [ 2228.757091] [] ? pointer+0x7a9/0x7a9 [ 2228.775786] [] ? set_bdev_super+0x15d/0x15d [ 2228.796155] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2228.821068] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2228.847625] [] ? scnprintf+0xf3/0xf3 [ 2228.866064] [] mount_bdev+0x3cf/0x602 [ 2228.881930] [] ? mount_bdev+0x3cf/0x602 [ 2228.905163] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2228.929860] [] ext4_mount+0x3c/0x3e [ 2228.952724] [] mount_fs+0xd0/0x2ca [ 2228.968744] [] vfs_kern_mount+0xa0/0x20a [ 2228.990273] [] do_mount+0x11fe/0x19df [ 2229.009441] [] ? kasan_kmalloc+0x94/0xa3 [ 2229.025908] [] ? copy_mount_string+0x3d/0x3d [ 2229.045204] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2229.067854] [] ? __check_object_size+0x1e1/0x2b8 [ 2229.087818] [] ? 0xffffffffb1c002b8 [ 2229.101504] [] ? copy_mount_options+0x23d/0x24d [ 2229.122721] [] SyS_mount+0xa3/0xda [ 2229.139502] [] mount_block_root+0x2fc/0x650 [ 2229.157412] [] ? init_rootfs+0x99/0x99 [ 2229.175065] [] ? security_file_ioctl+0xa5/0xb4 [ 2229.194979] [] ? SyS_mknod+0x2f/0x36 [ 2229.210218] [] mount_root+0x45/0x48 [ 2229.228717] [] prepare_namespace+0x1cf/0x235 [ 2229.251187] [] kernel_init_freeable+0x4fa/0x518 [ 2229.273046] [] kernel_init+0x16/0x181 [ 2229.292394] [] ret_from_fork+0x1f/0x40 [ 2229.309723] [] ? rest_init+0x8f/0x8f [ 2229.325130] ================================================================================ [ 2229.354732] ================================================================================ [ 2229.387529] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2629:25 [ 2229.409853] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2229.441624] which requires 64 byte alignment [ 2229.457504] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2229.481144] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2229.520218] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2229.549382] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2229.580755] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2229.618658] Call Trace: [ 2229.625102] [] dump_stack+0xd7/0x132 [ 2229.646335] [] ? arch_local_irq_restore+0x1b/0x1b [ 2229.671488] [] ubsan_epilogue+0x12/0x53 [ 2229.696994] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2229.720982] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2229.746179] [] ? put_online_cpus+0xb1/0xb4 [ 2229.769219] [] ? kmem_cache_create+0xe7/0x129 [ 2229.792876] [] ext4_mb_init+0x908/0x1242 [ 2229.815183] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2229.836959] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2229.855787] [] ext4_fill_super+0x7dd7/0xa2df [ 2229.875092] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2229.897461] [] ? vsnprintf+0x1a0/0xa32 [ 2229.915375] [] ? pointer+0x7a9/0x7a9 [ 2229.929480] [] ? set_bdev_super+0x15d/0x15d [ 2229.949747] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2229.977086] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2230.003731] [] ? scnprintf+0xf3/0xf3 [ 2230.023392] [] mount_bdev+0x3cf/0x602 [ 2230.041942] [] ? mount_bdev+0x3cf/0x602 [ 2230.061772] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2230.086899] [] ext4_mount+0x3c/0x3e [ 2230.106621] [] mount_fs+0xd0/0x2ca [ 2230.124759] [] vfs_kern_mount+0xa0/0x20a [ 2230.143207] [] do_mount+0x11fe/0x19df [ 2230.163403] [] ? kasan_kmalloc+0x94/0xa3 [ 2230.185967] [] ? copy_mount_string+0x3d/0x3d [ 2230.207452] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2230.226994] [] ? __check_object_size+0x1e1/0x2b8 [ 2230.250545] [] ? 0xffffffffb1c002b8 [ 2230.268772] [] ? copy_mount_options+0x23d/0x24d [ 2230.293678] [] SyS_mount+0xa3/0xda [ 2230.312128] [] mount_block_root+0x2fc/0x650 [ 2230.335708] [] ? init_rootfs+0x99/0x99 [ 2230.353541] [] ? security_file_ioctl+0xa5/0xb4 [ 2230.374448] [] ? SyS_mknod+0x2f/0x36 [ 2230.392467] [] mount_root+0x45/0x48 [ 2230.409511] [] prepare_namespace+0x1cf/0x235 [ 2230.433637] [] kernel_init_freeable+0x4fa/0x518 [ 2230.453565] [] kernel_init+0x16/0x181 [ 2230.474108] [] ret_from_fork+0x1f/0x40 [ 2230.495112] [] ? rest_init+0x8f/0x8f [ 2230.518354] ================================================================================ [ 2230.555403] ================================================================================ [ 2230.582849] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2631:24 [ 2230.604034] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2230.636920] which requires 64 byte alignment [ 2230.653517] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2230.673720] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2230.703677] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2230.730870] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2230.754832] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2230.779626] Call Trace: [ 2230.787096] [] dump_stack+0xd7/0x132 [ 2230.812293] [] ? arch_local_irq_restore+0x1b/0x1b [ 2230.835993] [] ubsan_epilogue+0x12/0x53 [ 2230.859234] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2230.890004] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2230.922698] [] ? put_online_cpus+0xb1/0xb4 [ 2230.949458] [] ? kmem_cache_create+0xe7/0x129 [ 2230.979033] [] ext4_mb_init+0x939/0x1242 [ 2231.006334] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2231.042185] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2231.073659] [] ext4_fill_super+0x7dd7/0xa2df [ 2231.093810] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2231.123262] [] ? vsnprintf+0x1a0/0xa32 [ 2231.149325] [] ? pointer+0x7a9/0x7a9 [ 2231.171960] [] ? set_bdev_super+0x15d/0x15d [ 2231.192300] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2231.223466] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2231.248143] [] ? scnprintf+0xf3/0xf3 [ 2231.262118] [] mount_bdev+0x3cf/0x602 [ 2231.280297] [] ? mount_bdev+0x3cf/0x602 [ 2231.304579] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2231.326583] [] ext4_mount+0x3c/0x3e [ 2231.346019] [] mount_fs+0xd0/0x2ca [ 2231.363654] [] vfs_kern_mount+0xa0/0x20a [ 2231.380730] [] do_mount+0x11fe/0x19df [ 2231.397169] [] ? kasan_kmalloc+0x94/0xa3 [ 2231.415433] [] ? copy_mount_string+0x3d/0x3d [ 2231.434449] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2231.456269] [] ? __check_object_size+0x1e1/0x2b8 [ 2231.477156] [] ? 0xffffffffb1c002b8 [ 2231.494396] [] ? copy_mount_options+0x23d/0x24d [ 2231.513703] [] SyS_mount+0xa3/0xda [ 2231.531395] [] mount_block_root+0x2fc/0x650 [ 2231.553672] [] ? init_rootfs+0x99/0x99 [ 2231.569121] [] ? security_file_ioctl+0xa5/0xb4 [ 2231.588230] [] ? SyS_mknod+0x2f/0x36 [ 2231.602500] [] mount_root+0x45/0x48 [ 2231.618830] [] prepare_namespace+0x1cf/0x235 [ 2231.637903] [] kernel_init_freeable+0x4fa/0x518 [ 2231.654888] [] kernel_init+0x16/0x181 [ 2231.672776] [] ret_from_fork+0x1f/0x40 [ 2231.690782] [] ? rest_init+0x8f/0x8f [ 2231.706769] ================================================================================ [ 2231.735773] ================================================================================ [ 2231.765999] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2632:24 [ 2231.787208] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2231.818933] which requires 64 byte alignment [ 2231.832765] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2231.853063] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2231.889563] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2231.921742] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2231.951211] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2231.982053] Call Trace: [ 2231.992432] [] dump_stack+0xd7/0x132 [ 2232.013732] [] ? arch_local_irq_restore+0x1b/0x1b [ 2232.038669] [] ubsan_epilogue+0x12/0x53 [ 2232.060279] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2232.088597] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2232.115372] [] ? put_online_cpus+0xb1/0xb4 [ 2232.138205] [] ? kmem_cache_create+0xe7/0x129 [ 2232.157793] [] ext4_mb_init+0x96a/0x1242 [ 2232.177314] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2232.202337] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2232.228328] [] ext4_fill_super+0x7dd7/0xa2df [ 2232.250884] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2232.277063] [] ? vsnprintf+0x1a0/0xa32 [ 2232.297312] [] ? pointer+0x7a9/0x7a9 [ 2232.318395] [] ? set_bdev_super+0x15d/0x15d [ 2232.340673] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2232.362656] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2232.385287] [] ? scnprintf+0xf3/0xf3 [ 2232.401314] [] mount_bdev+0x3cf/0x602 [ 2232.418228] [] ? mount_bdev+0x3cf/0x602 [ 2232.436597] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2232.457520] [] ext4_mount+0x3c/0x3e [ 2232.473001] [] mount_fs+0xd0/0x2ca [ 2232.490378] [] vfs_kern_mount+0xa0/0x20a [ 2232.508422] [] do_mount+0x11fe/0x19df [ 2232.523458] [] ? kasan_kmalloc+0x94/0xa3 [ 2232.540883] [] ? copy_mount_string+0x3d/0x3d [ 2232.560288] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2232.580520] [] ? __check_object_size+0x1e1/0x2b8 [ 2232.599687] [] ? 0xffffffffb1c002b8 [ 2232.617611] [] ? copy_mount_options+0x23d/0x24d [ 2232.638939] [] SyS_mount+0xa3/0xda [ 2232.652924] [] mount_block_root+0x2fc/0x650 [ 2232.670706] [] ? init_rootfs+0x99/0x99 [ 2232.685398] [] ? security_file_ioctl+0xa5/0xb4 [ 2232.705951] [] ? SyS_mknod+0x2f/0x36 [ 2232.727150] [] mount_root+0x45/0x48 [ 2232.745007] [] prepare_namespace+0x1cf/0x235 [ 2232.769163] [] kernel_init_freeable+0x4fa/0x518 [ 2232.789932] [] kernel_init+0x16/0x181 [ 2232.807205] [] ret_from_fork+0x1f/0x40 [ 2232.827430] [] ? rest_init+0x8f/0x8f [ 2232.845208] ================================================================================ [ 2232.878023] ================================================================================ [ 2232.910620] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2633:18 [ 2232.933863] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2232.965347] which requires 64 byte alignment [ 2232.980623] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2233.000390] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2233.030717] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2233.057073] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2233.083954] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2233.109451] Call Trace: [ 2233.117245] [] dump_stack+0xd7/0x132 [ 2233.136785] [] ? arch_local_irq_restore+0x1b/0x1b [ 2233.153820] [] ubsan_epilogue+0x12/0x53 [ 2233.171211] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2233.194886] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2233.238661] [] ? put_online_cpus+0xb1/0xb4 [ 2233.257424] [] ? kmem_cache_create+0xe7/0x129 [ 2233.278211] [] ext4_mb_init+0x99b/0x1242 [ 2233.297268] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2233.319077] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2233.340364] [] ext4_fill_super+0x7dd7/0xa2df [ 2233.357999] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2233.380496] [] ? vsnprintf+0x1a0/0xa32 [ 2233.396342] [] ? pointer+0x7a9/0x7a9 [ 2233.415571] [] ? set_bdev_super+0x15d/0x15d [ 2233.433505] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2233.456419] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2233.479025] [] ? scnprintf+0xf3/0xf3 [ 2233.497466] [] mount_bdev+0x3cf/0x602 [ 2233.516944] [] ? mount_bdev+0x3cf/0x602 [ 2233.534952] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2233.564178] [] ext4_mount+0x3c/0x3e [ 2233.593693] [] mount_fs+0xd0/0x2ca [ 2233.616385] [] vfs_kern_mount+0xa0/0x20a [ 2233.641463] [] do_mount+0x11fe/0x19df [ 2233.663489] [] ? kasan_kmalloc+0x94/0xa3 [ 2233.695038] [] ? copy_mount_string+0x3d/0x3d [ 2233.722203] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2233.754152] [] ? __check_object_size+0x1e1/0x2b8 [ 2233.794646] [] ? 0xffffffffb1c002b8 [ 2233.821037] [] ? copy_mount_options+0x23d/0x24d [ 2233.848842] [] SyS_mount+0xa3/0xda [ 2233.872823] [] mount_block_root+0x2fc/0x650 [ 2233.896031] [] ? init_rootfs+0x99/0x99 [ 2233.919489] [] ? security_file_ioctl+0xa5/0xb4 [ 2233.944727] [] ? SyS_mknod+0x2f/0x36 [ 2233.965144] [] mount_root+0x45/0x48 [ 2233.981148] [] prepare_namespace+0x1cf/0x235 [ 2234.000580] [] kernel_init_freeable+0x4fa/0x518 [ 2234.021407] [] kernel_init+0x16/0x181 [ 2234.041226] [] ret_from_fork+0x1f/0x40 [ 2234.058528] [] ? rest_init+0x8f/0x8f [ 2234.075019] ================================================================================ [ 2234.102586] ================================================================================ [ 2234.130763] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2634:27 [ 2234.156479] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2234.187655] which requires 64 byte alignment [ 2234.202405] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2234.222948] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2234.256524] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2234.281564] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2234.307856] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2234.335767] Call Trace: [ 2234.341620] [] dump_stack+0xd7/0x132 [ 2234.363189] [] ? arch_local_irq_restore+0x1b/0x1b [ 2234.389925] [] ubsan_epilogue+0x12/0x53 [ 2234.412358] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2234.439864] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2234.465600] [] ? put_online_cpus+0xb1/0xb4 [ 2234.486980] [] ? kmem_cache_create+0xe7/0x129 [ 2234.511066] [] ext4_mb_init+0x9cc/0x1242 [ 2234.532227] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2234.555742] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2234.579488] [] ext4_fill_super+0x7dd7/0xa2df [ 2234.602462] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2234.624565] [] ? vsnprintf+0x1a0/0xa32 [ 2234.642689] [] ? pointer+0x7a9/0x7a9 [ 2234.659687] [] ? set_bdev_super+0x15d/0x15d [ 2234.681520] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2234.707335] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2234.732484] [] ? scnprintf+0xf3/0xf3 [ 2234.752981] [] mount_bdev+0x3cf/0x602 [ 2234.774255] [] ? mount_bdev+0x3cf/0x602 [ 2234.795235] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2234.818508] [] ext4_mount+0x3c/0x3e [ 2234.835655] [] mount_fs+0xd0/0x2ca [ 2234.854687] [] vfs_kern_mount+0xa0/0x20a [ 2234.872507] [] do_mount+0x11fe/0x19df [ 2234.891596] [] ? kasan_kmalloc+0x94/0xa3 [ 2234.910967] [] ? copy_mount_string+0x3d/0x3d [ 2234.930428] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2234.949809] [] ? __check_object_size+0x1e1/0x2b8 [ 2234.974147] [] ? 0xffffffffb1c002b8 [ 2234.992294] [] ? copy_mount_options+0x23d/0x24d [ 2235.013972] [] SyS_mount+0xa3/0xda [ 2235.028661] [] mount_block_root+0x2fc/0x650 [ 2235.048444] [] ? init_rootfs+0x99/0x99 [ 2235.066264] [] ? security_file_ioctl+0xa5/0xb4 [ 2235.085538] [] ? SyS_mknod+0x2f/0x36 [ 2235.101210] [] mount_root+0x45/0x48 [ 2235.118307] [] prepare_namespace+0x1cf/0x235 [ 2235.137619] [] kernel_init_freeable+0x4fa/0x518 [ 2235.156146] [] kernel_init+0x16/0x181 [ 2235.174785] [] ret_from_fork+0x1f/0x40 [ 2235.193247] [] ? rest_init+0x8f/0x8f [ 2235.208851] ================================================================================ [ 2235.237059] ================================================================================ [ 2235.263206] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2635:24 [ 2235.286336] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2235.319965] which requires 64 byte alignment [ 2235.335133] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2235.357339] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2235.393446] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2235.423115] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2235.447438] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2235.471629] Call Trace: [ 2235.479115] [] dump_stack+0xd7/0x132 [ 2235.496856] [] ? arch_local_irq_restore+0x1b/0x1b [ 2235.517096] [] ubsan_epilogue+0x12/0x53 [ 2235.536695] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2235.564460] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2235.597784] [] ? put_online_cpus+0xb1/0xb4 [ 2235.619298] [] ? kmem_cache_create+0xe7/0x129 [ 2235.640562] [] ext4_mb_init+0x9fd/0x1242 [ 2235.656572] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2235.676428] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2235.696145] [] ext4_fill_super+0x7dd7/0xa2df [ 2235.715421] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2235.733341] [] ? vsnprintf+0x1a0/0xa32 [ 2235.749356] [] ? pointer+0x7a9/0x7a9 [ 2235.764894] [] ? set_bdev_super+0x15d/0x15d [ 2235.782651] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2235.804242] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2235.825855] [] ? scnprintf+0xf3/0xf3 [ 2235.844283] [] mount_bdev+0x3cf/0x602 [ 2235.864381] [] ? mount_bdev+0x3cf/0x602 [ 2235.893725] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2235.918279] [] ext4_mount+0x3c/0x3e [ 2235.936780] [] mount_fs+0xd0/0x2ca [ 2235.955087] [] vfs_kern_mount+0xa0/0x20a [ 2235.974116] [] do_mount+0x11fe/0x19df [ 2235.994182] [] ? kasan_kmalloc+0x94/0xa3 [ 2236.015592] [] ? copy_mount_string+0x3d/0x3d [ 2236.035702] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2236.056650] [] ? __check_object_size+0x1e1/0x2b8 [ 2236.080458] [] ? 0xffffffffb1c002b8 [ 2236.099369] [] ? copy_mount_options+0x23d/0x24d [ 2236.123624] [] SyS_mount+0xa3/0xda [ 2236.144065] [] mount_block_root+0x2fc/0x650 [ 2236.167137] [] ? init_rootfs+0x99/0x99 [ 2236.188788] [] ? security_file_ioctl+0xa5/0xb4 [ 2236.217297] [] ? SyS_mknod+0x2f/0x36 [ 2236.237789] [] mount_root+0x45/0x48 [ 2236.256183] [] prepare_namespace+0x1cf/0x235 [ 2236.279026] [] kernel_init_freeable+0x4fa/0x518 [ 2236.302619] [] kernel_init+0x16/0x181 [ 2236.323130] [] ret_from_fork+0x1f/0x40 [ 2236.343501] [] ? rest_init+0x8f/0x8f [ 2236.359534] ================================================================================ [ 2236.389318] ================================================================================ [ 2236.413039] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2648:29 [ 2236.432320] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2236.464887] which requires 64 byte alignment [ 2236.482284] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2236.506369] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2236.539205] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2236.563422] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2236.588645] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2236.613005] Call Trace: [ 2236.619260] [] dump_stack+0xd7/0x132 [ 2236.635878] [] ? arch_local_irq_restore+0x1b/0x1b [ 2236.656845] [] ubsan_epilogue+0x12/0x53 [ 2236.672675] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2236.695388] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2236.718014] [] ? put_online_cpus+0xb1/0xb4 [ 2236.738621] [] ? kmem_cache_create+0xe7/0x129 [ 2236.761315] [] ext4_mb_init+0xa2e/0x1242 [ 2236.776513] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2236.804433] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2236.825550] [] ext4_fill_super+0x7dd7/0xa2df [ 2236.845694] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2236.867591] [] ? vsnprintf+0x1a0/0xa32 [ 2236.883869] [] ? pointer+0x7a9/0x7a9 [ 2236.910268] [] ? set_bdev_super+0x15d/0x15d [ 2236.928147] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2236.952688] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2236.975579] [] ? scnprintf+0xf3/0xf3 [ 2236.990692] [] mount_bdev+0x3cf/0x602 [ 2237.006296] [] ? mount_bdev+0x3cf/0x602 [ 2237.022182] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2237.041998] [] ext4_mount+0x3c/0x3e [ 2237.059950] [] mount_fs+0xd0/0x2ca [ 2237.076868] [] vfs_kern_mount+0xa0/0x20a [ 2237.095191] [] do_mount+0x11fe/0x19df [ 2237.111919] [] ? kasan_kmalloc+0x94/0xa3 [ 2237.127140] [] ? copy_mount_string+0x3d/0x3d [ 2237.143625] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2237.165721] [] ? __check_object_size+0x1e1/0x2b8 [ 2237.190806] [] ? 0xffffffffb1c002b8 [ 2237.211158] [] ? copy_mount_options+0x23d/0x24d [ 2237.234056] [] SyS_mount+0xa3/0xda [ 2237.249737] [] mount_block_root+0x2fc/0x650 [ 2237.275782] [] ? init_rootfs+0x99/0x99 [ 2237.295509] [] ? security_file_ioctl+0xa5/0xb4 [ 2237.317021] [] ? SyS_mknod+0x2f/0x36 [ 2237.337492] [] mount_root+0x45/0x48 [ 2237.352721] [] prepare_namespace+0x1cf/0x235 [ 2237.372863] [] kernel_init_freeable+0x4fa/0x518 [ 2237.393377] [] kernel_init+0x16/0x181 [ 2237.408736] [] ret_from_fork+0x1f/0x40 [ 2237.427175] [] ? rest_init+0x8f/0x8f [ 2237.445603] ================================================================================ [ 2237.478453] ================================================================================ [ 2237.509453] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2648:27 [ 2237.532836] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2237.562675] which requires 64 byte alignment [ 2237.576328] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2237.595277] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2237.622381] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2237.645675] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2237.672025] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2237.702529] Call Trace: [ 2237.712298] [] dump_stack+0xd7/0x132 [ 2237.737633] [] ? arch_local_irq_restore+0x1b/0x1b [ 2237.764026] [] ubsan_epilogue+0x12/0x53 [ 2237.785393] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2237.811749] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2237.835505] [] ? put_online_cpus+0xb1/0xb4 [ 2237.858204] [] ? kmem_cache_create+0xe7/0x129 [ 2237.876755] [] ext4_mb_init+0xa8e/0x1242 [ 2237.895665] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2237.916526] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2237.937717] [] ext4_fill_super+0x7dd7/0xa2df [ 2237.953944] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2237.975772] [] ? vsnprintf+0x1a0/0xa32 [ 2237.994071] [] ? pointer+0x7a9/0x7a9 [ 2238.010422] [] ? set_bdev_super+0x15d/0x15d [ 2238.025078] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2238.045890] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2238.065921] [] ? scnprintf+0xf3/0xf3 [ 2238.081104] [] mount_bdev+0x3cf/0x602 [ 2238.099304] [] ? mount_bdev+0x3cf/0x602 [ 2238.117685] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2238.139710] [] ext4_mount+0x3c/0x3e [ 2238.155767] [] mount_fs+0xd0/0x2ca [ 2238.170706] [] vfs_kern_mount+0xa0/0x20a [ 2238.191016] [] do_mount+0x11fe/0x19df [ 2238.207672] [] ? kasan_kmalloc+0x94/0xa3 [ 2238.223698] [] ? copy_mount_string+0x3d/0x3d [ 2238.244283] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2238.265543] [] ? __check_object_size+0x1e1/0x2b8 [ 2238.291707] [] ? 0xffffffffb1c002b8 [ 2238.308621] [] ? copy_mount_options+0x23d/0x24d [ 2238.331323] [] SyS_mount+0xa3/0xda [ 2238.347290] [] mount_block_root+0x2fc/0x650 [ 2238.367372] [] ? init_rootfs+0x99/0x99 [ 2238.386168] [] ? security_file_ioctl+0xa5/0xb4 [ 2238.408184] [] ? SyS_mknod+0x2f/0x36 [ 2238.423005] [] mount_root+0x45/0x48 [ 2238.440781] [] prepare_namespace+0x1cf/0x235 [ 2238.455534] [] kernel_init_freeable+0x4fa/0x518 [ 2238.476761] [] kernel_init+0x16/0x181 [ 2238.494956] [] ret_from_fork+0x1f/0x40 [ 2238.510712] [] ? rest_init+0x8f/0x8f [ 2238.525460] ================================================================================ [ 2238.552726] ================================================================================ [ 2238.578561] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2658:9 [ 2238.599361] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2238.631089] which requires 64 byte alignment [ 2238.645931] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2238.666857] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2238.698891] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2238.728873] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2238.754058] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2238.780255] Call Trace: [ 2238.789208] [] dump_stack+0xd7/0x132 [ 2238.808579] [] ? arch_local_irq_restore+0x1b/0x1b [ 2238.831006] [] ubsan_epilogue+0x12/0x53 [ 2238.849974] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2238.875542] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2238.899719] [] ? put_online_cpus+0xb1/0xb4 [ 2238.919338] [] ? kmem_cache_create+0xe7/0x129 [ 2238.942602] [] ext4_mb_init+0xabb/0x1242 [ 2238.961557] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2238.982623] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2239.006599] [] ext4_fill_super+0x7dd7/0xa2df [ 2239.026152] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2239.051145] [] ? vsnprintf+0x1a0/0xa32 [ 2239.069573] [] ? pointer+0x7a9/0x7a9 [ 2239.085227] [] ? set_bdev_super+0x15d/0x15d [ 2239.105385] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2239.128406] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2239.150485] [] ? scnprintf+0xf3/0xf3 [ 2239.168028] [] mount_bdev+0x3cf/0x602 [ 2239.185136] [] ? mount_bdev+0x3cf/0x602 [ 2239.207077] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2239.235461] [] ext4_mount+0x3c/0x3e [ 2239.253317] [] mount_fs+0xd0/0x2ca [ 2239.269795] [] vfs_kern_mount+0xa0/0x20a [ 2239.289295] [] do_mount+0x11fe/0x19df [ 2239.306310] [] ? kasan_kmalloc+0x94/0xa3 [ 2239.325917] [] ? copy_mount_string+0x3d/0x3d [ 2239.347223] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2239.369042] [] ? __check_object_size+0x1e1/0x2b8 [ 2239.386227] [] ? 0xffffffffb1c002b8 [ 2239.401699] [] ? copy_mount_options+0x23d/0x24d [ 2239.419808] [] SyS_mount+0xa3/0xda [ 2239.436266] [] mount_block_root+0x2fc/0x650 [ 2239.466948] [] ? init_rootfs+0x99/0x99 [ 2239.490600] [] ? security_file_ioctl+0xa5/0xb4 [ 2239.509678] [] ? SyS_mknod+0x2f/0x36 [ 2239.526103] [] mount_root+0x45/0x48 [ 2239.545464] [] prepare_namespace+0x1cf/0x235 [ 2239.565504] [] kernel_init_freeable+0x4fa/0x518 [ 2239.585819] [] kernel_init+0x16/0x181 [ 2239.603628] [] ret_from_fork+0x1f/0x40 [ 2239.622718] [] ? rest_init+0x8f/0x8f [ 2239.642835] ================================================================================ [ 2239.681249] ================================================================================ [ 2239.718149] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2663:25 [ 2239.750966] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2239.788670] which requires 64 byte alignment [ 2239.802746] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2239.851915] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2239.926769] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2239.961116] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2239.984060] ffffffff00000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2240.012116] Call Trace: [ 2240.018052] [] dump_stack+0xd7/0x132 [ 2240.035064] [] ? arch_local_irq_restore+0x1b/0x1b [ 2240.053005] [] ubsan_epilogue+0x12/0x53 [ 2240.073091] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2240.093069] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2240.114849] [] ? put_online_cpus+0xb1/0xb4 [ 2240.134182] [] ext4_mb_init+0xb70/0x1242 [ 2240.148612] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2240.173444] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2240.195079] [] ext4_fill_super+0x7dd7/0xa2df [ 2240.214246] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2240.236252] [] ? vsnprintf+0x1a0/0xa32 [ 2240.256604] [] ? pointer+0x7a9/0x7a9 [ 2240.274279] [] ? set_bdev_super+0x15d/0x15d [ 2240.293432] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2240.317815] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2240.343950] [] ? scnprintf+0xf3/0xf3 [ 2240.363222] [] mount_bdev+0x3cf/0x602 [ 2240.389755] [] ? mount_bdev+0x3cf/0x602 [ 2240.425282] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2240.456948] [] ext4_mount+0x3c/0x3e [ 2240.478587] [] mount_fs+0xd0/0x2ca [ 2240.496240] [] vfs_kern_mount+0xa0/0x20a [ 2240.516481] [] do_mount+0x11fe/0x19df [ 2240.538436] [] ? kasan_kmalloc+0x94/0xa3 [ 2240.554874] [] ? copy_mount_string+0x3d/0x3d [ 2240.573601] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2240.595383] [] ? __check_object_size+0x1e1/0x2b8 [ 2240.615551] [] ? 0xffffffffb1c002b8 [ 2240.632182] [] ? copy_mount_options+0x23d/0x24d [ 2240.653233] [] SyS_mount+0xa3/0xda [ 2240.670937] [] mount_block_root+0x2fc/0x650 [ 2240.696633] [] ? init_rootfs+0x99/0x99 [ 2240.715301] [] ? security_file_ioctl+0xa5/0xb4 [ 2240.736804] [] ? SyS_mknod+0x2f/0x36 [ 2240.760449] [] mount_root+0x45/0x48 [ 2240.777620] [] prepare_namespace+0x1cf/0x235 [ 2240.800265] [] kernel_init_freeable+0x4fa/0x518 [ 2240.824079] [] kernel_init+0x16/0x181 [ 2240.841241] [] ret_from_fork+0x1f/0x40 [ 2240.860253] [] ? rest_init+0x8f/0x8f [ 2240.879436] ================================================================================ [ 2240.906688] ================================================================================ [ 2240.938055] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2664:9 [ 2240.955240] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2240.983037] which requires 64 byte alignment [ 2240.997824] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2241.019328] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2241.046517] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2241.070123] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2241.096871] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2241.123277] Call Trace: [ 2241.134908] [] dump_stack+0xd7/0x132 [ 2241.154171] [] ? arch_local_irq_restore+0x1b/0x1b [ 2241.174379] [] ubsan_epilogue+0x12/0x53 [ 2241.197449] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2241.222432] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2241.248466] [] ? put_online_cpus+0xb1/0xb4 [ 2241.267072] [] ext4_mb_init+0xba7/0x1242 [ 2241.287546] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2241.306646] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2241.325316] [] ext4_fill_super+0x7dd7/0xa2df [ 2241.344272] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2241.366793] [] ? vsnprintf+0x1a0/0xa32 [ 2241.383136] [] ? pointer+0x7a9/0x7a9 [ 2241.401952] [] ? set_bdev_super+0x15d/0x15d [ 2241.419195] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2241.438642] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2241.459578] [] ? scnprintf+0xf3/0xf3 [ 2241.474776] [] mount_bdev+0x3cf/0x602 [ 2241.495868] [] ? mount_bdev+0x3cf/0x602 [ 2241.515054] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2241.544888] [] ext4_mount+0x3c/0x3e [ 2241.574275] [] mount_fs+0xd0/0x2ca [ 2241.589437] [] vfs_kern_mount+0xa0/0x20a [ 2241.607885] [] do_mount+0x11fe/0x19df [ 2241.623152] [] ? kasan_kmalloc+0x94/0xa3 [ 2241.640495] [] ? copy_mount_string+0x3d/0x3d [ 2241.660181] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2241.679069] [] ? __check_object_size+0x1e1/0x2b8 [ 2241.699621] [] ? 0xffffffffb1c002b8 [ 2241.717578] [] ? copy_mount_options+0x23d/0x24d [ 2241.736191] [] SyS_mount+0xa3/0xda [ 2241.754329] [] mount_block_root+0x2fc/0x650 [ 2241.781213] [] ? init_rootfs+0x99/0x99 [ 2241.801372] [] ? security_file_ioctl+0xa5/0xb4 [ 2241.832493] [] ? SyS_mknod+0x2f/0x36 [ 2241.849794] [] mount_root+0x45/0x48 [ 2241.875682] [] prepare_namespace+0x1cf/0x235 [ 2241.895321] [] kernel_init_freeable+0x4fa/0x518 [ 2241.917041] [] kernel_init+0x16/0x181 [ 2241.935938] [] ret_from_fork+0x1f/0x40 [ 2241.951769] [] ? rest_init+0x8f/0x8f [ 2241.970046] ================================================================================ [ 2241.999369] ================================================================================ [ 2242.027405] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2670:8 [ 2242.047112] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2242.091455] which requires 64 byte alignment [ 2242.104567] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2242.123337] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2242.155071] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2242.185151] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2242.212147] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2242.237522] Call Trace: [ 2242.244264] [] dump_stack+0xd7/0x132 [ 2242.261652] [] ? arch_local_irq_restore+0x1b/0x1b [ 2242.354986] [] ubsan_epilogue+0x12/0x53 [ 2242.374576] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2242.396291] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2242.418583] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2242.440162] [] ext4_mb_init+0xc5a/0x1242 [ 2242.459629] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2242.480413] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2242.503415] [] ext4_fill_super+0x7dd7/0xa2df [ 2242.521682] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2242.543743] [] ? vsnprintf+0x1a0/0xa32 [ 2242.564101] [] ? pointer+0x7a9/0x7a9 [ 2242.584554] [] ? set_bdev_super+0x15d/0x15d [ 2242.601010] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2242.624838] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2242.646087] [] ? scnprintf+0xf3/0xf3 [ 2242.665888] [] mount_bdev+0x3cf/0x602 [ 2242.687124] [] ? mount_bdev+0x3cf/0x602 [ 2242.704620] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2242.727106] [] ext4_mount+0x3c/0x3e [ 2242.742702] [] mount_fs+0xd0/0x2ca [ 2242.758709] [] vfs_kern_mount+0xa0/0x20a [ 2242.779621] [] do_mount+0x11fe/0x19df [ 2242.796748] [] ? kasan_kmalloc+0x94/0xa3 [ 2242.813910] [] ? copy_mount_string+0x3d/0x3d [ 2242.833583] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2242.852968] [] ? __check_object_size+0x1e1/0x2b8 [ 2242.873515] [] ? 0xffffffffb1c002b8 [ 2242.890135] [] ? copy_mount_options+0x23d/0x24d [ 2242.911471] [] SyS_mount+0xa3/0xda [ 2242.926737] [] mount_block_root+0x2fc/0x650 [ 2242.945916] [] ? init_rootfs+0x99/0x99 [ 2242.961725] [] ? security_file_ioctl+0xa5/0xb4 [ 2242.985114] [] ? SyS_mknod+0x2f/0x36 [ 2243.001064] [] mount_root+0x45/0x48 [ 2243.017271] [] prepare_namespace+0x1cf/0x235 [ 2243.037430] [] kernel_init_freeable+0x4fa/0x518 [ 2243.059259] [] kernel_init+0x16/0x181 [ 2243.079896] [] ret_from_fork+0x1f/0x40 [ 2243.098470] [] ? rest_init+0x8f/0x8f [ 2243.114139] ================================================================================ [ 2243.140098] ================================================================================ [ 2243.166963] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2243.190912] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2243.219222] which requires 64 byte alignment [ 2243.233454] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2243.254451] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2243.286116] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2243.312563] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2243.332877] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2243.358240] Call Trace: [ 2243.364749] [] dump_stack+0xd7/0x132 [ 2243.383613] [] ? arch_local_irq_restore+0x1b/0x1b [ 2243.405170] [] ubsan_epilogue+0x12/0x53 [ 2243.420967] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2243.442796] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2243.464291] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2243.486652] [] ext4_mb_init+0xdb8/0x1242 [ 2243.504027] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2243.524645] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2243.547407] [] ext4_fill_super+0x7dd7/0xa2df [ 2243.565608] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2243.588702] [] ? vsnprintf+0x1a0/0xa32 [ 2243.602445] [] ? pointer+0x7a9/0x7a9 [ 2243.619062] [] ? set_bdev_super+0x15d/0x15d [ 2243.637536] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2243.656744] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2243.688279] [] ? scnprintf+0xf3/0xf3 [ 2243.701216] [] mount_bdev+0x3cf/0x602 [ 2243.716867] [] ? mount_bdev+0x3cf/0x602 [ 2243.734333] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2243.753892] [] ext4_mount+0x3c/0x3e [ 2243.769114] [] mount_fs+0xd0/0x2ca [ 2243.787776] [] vfs_kern_mount+0xa0/0x20a [ 2243.807135] [] do_mount+0x11fe/0x19df [ 2243.824104] [] ? kasan_kmalloc+0x94/0xa3 [ 2243.841255] [] ? copy_mount_string+0x3d/0x3d [ 2243.859993] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2243.881433] [] ? __check_object_size+0x1e1/0x2b8 [ 2243.899061] [] ? 0xffffffffb1c002b8 [ 2243.914554] [] ? copy_mount_options+0x23d/0x24d [ 2243.933629] [] SyS_mount+0xa3/0xda [ 2243.949156] [] mount_block_root+0x2fc/0x650 [ 2243.967475] [] ? init_rootfs+0x99/0x99 [ 2243.988050] [] ? security_file_ioctl+0xa5/0xb4 [ 2244.007458] [] ? SyS_mknod+0x2f/0x36 [ 2244.023259] [] mount_root+0x45/0x48 [ 2244.042825] [] prepare_namespace+0x1cf/0x235 [ 2244.064648] [] kernel_init_freeable+0x4fa/0x518 [ 2244.084000] [] kernel_init+0x16/0x181 [ 2244.106777] [] ret_from_fork+0x1f/0x40 [ 2244.122557] [] ? rest_init+0x8f/0x8f [ 2244.139138] ================================================================================ [ 2244.164255] ================================================================================ [ 2244.191811] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2827:15 [ 2244.207375] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2244.235699] which requires 64 byte alignment [ 2244.247080] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2244.263648] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2244.290992] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2244.311856] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2244.333679] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2244.359260] Call Trace: [ 2244.365354] [] dump_stack+0xd7/0x132 [ 2244.383357] [] ? arch_local_irq_restore+0x1b/0x1b [ 2244.403765] [] ubsan_epilogue+0x12/0x53 [ 2244.420315] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2244.444923] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2244.470060] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2244.487724] [] ext4_mb_init+0xde4/0x1242 [ 2244.504943] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2244.521410] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2244.540646] [] ext4_fill_super+0x7dd7/0xa2df [ 2244.559029] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2244.579018] [] ? vsnprintf+0x1a0/0xa32 [ 2244.592936] [] ? pointer+0x7a9/0x7a9 [ 2244.606621] [] ? set_bdev_super+0x15d/0x15d [ 2244.621562] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2244.640719] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2244.663638] [] ? scnprintf+0xf3/0xf3 [ 2244.678446] [] mount_bdev+0x3cf/0x602 [ 2244.695534] [] ? mount_bdev+0x3cf/0x602 [ 2244.712282] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2244.730601] [] ext4_mount+0x3c/0x3e [ 2244.744407] [] mount_fs+0xd0/0x2ca [ 2244.760320] [] vfs_kern_mount+0xa0/0x20a [ 2244.775814] [] do_mount+0x11fe/0x19df [ 2244.909352] [] ? kasan_kmalloc+0x94/0xa3 [ 2244.925546] [] ? copy_mount_string+0x3d/0x3d [ 2244.943782] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2244.961929] [] ? __check_object_size+0x1e1/0x2b8 [ 2244.980046] [] ? 0xffffffffb1c002b8 [ 2244.994982] [] ? copy_mount_options+0x23d/0x24d [ 2245.013449] [] SyS_mount+0xa3/0xda [ 2245.025602] [] mount_block_root+0x2fc/0x650 [ 2245.044427] [] ? init_rootfs+0x99/0x99 [ 2245.061214] [] ? security_file_ioctl+0xa5/0xb4 [ 2245.077793] [] ? SyS_mknod+0x2f/0x36 [ 2245.091706] [] mount_root+0x45/0x48 [ 2245.103890] [] prepare_namespace+0x1cf/0x235 [ 2245.120561] [] kernel_init_freeable+0x4fa/0x518 [ 2245.140682] [] kernel_init+0x16/0x181 [ 2245.156728] [] ret_from_fork+0x1f/0x40 [ 2245.173889] [] ? rest_init+0x8f/0x8f [ 2245.188377] ================================================================================ [ 2245.212302] ================================================================================ [ 2245.237955] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2245.255688] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2245.285639] which requires 64 byte alignment [ 2245.297956] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2245.314299] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2245.338349] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2245.361579] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2245.382779] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2245.403185] Call Trace: [ 2245.414225] [] dump_stack+0xd7/0x132 [ 2245.429630] [] ? arch_local_irq_restore+0x1b/0x1b [ 2245.445956] [] ubsan_epilogue+0x12/0x53 [ 2245.463761] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2245.483730] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2245.505405] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2245.521876] [] ext4_mb_init+0xe10/0x1242 [ 2245.536682] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2245.553135] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2245.573859] [] ext4_fill_super+0x7dd7/0xa2df [ 2245.592759] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2245.611911] [] ? vsnprintf+0x1a0/0xa32 [ 2245.626012] [] ? pointer+0x7a9/0x7a9 [ 2245.642944] [] ? set_bdev_super+0x15d/0x15d [ 2245.661750] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2245.680324] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2245.701773] [] ? scnprintf+0xf3/0xf3 [ 2245.716940] [] mount_bdev+0x3cf/0x602 [ 2245.734948] [] ? mount_bdev+0x3cf/0x602 [ 2245.753627] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2245.771698] [] ext4_mount+0x3c/0x3e [ 2245.785626] [] mount_fs+0xd0/0x2ca [ 2245.799377] [] vfs_kern_mount+0xa0/0x20a [ 2245.815092] [] do_mount+0x11fe/0x19df [ 2245.829139] [] ? kasan_kmalloc+0x94/0xa3 [ 2245.843656] [] ? copy_mount_string+0x3d/0x3d [ 2245.862058] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2245.881278] [] ? __check_object_size+0x1e1/0x2b8 [ 2245.899419] [] ? 0xffffffffb1c002b8 [ 2245.914822] [] ? copy_mount_options+0x23d/0x24d [ 2245.931979] [] SyS_mount+0xa3/0xda [ 2245.945777] [] mount_block_root+0x2fc/0x650 [ 2245.964338] [] ? init_rootfs+0x99/0x99 [ 2245.980066] [] ? security_file_ioctl+0xa5/0xb4 [ 2245.997609] [] ? SyS_mknod+0x2f/0x36 [ 2246.013959] [] mount_root+0x45/0x48 [ 2246.027641] [] prepare_namespace+0x1cf/0x235 [ 2246.047603] [] kernel_init_freeable+0x4fa/0x518 [ 2246.065127] [] kernel_init+0x16/0x181 [ 2246.081080] [] ret_from_fork+0x1f/0x40 [ 2246.095996] [] ? rest_init+0x8f/0x8f [ 2246.111674] ================================================================================ [ 2246.137126] ================================================================================ [ 2246.162852] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2246.179153] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2246.204908] which requires 64 byte alignment [ 2246.217237] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2246.241864] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2246.270261] 00000000ffffffff 00000000b1a89c60 ffff88005c9df648 ffffffffb26ec5cc [ 2246.291514] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2246.312860] 1ffff10000000010 ffff88005c9df670 ffff88005c9df620 ffffffffb363c3e0 [ 2246.340030] Call Trace: [ 2246.347253] [] dump_stack+0xd7/0x132 [ 2246.363718] [] ? arch_local_irq_restore+0x1b/0x1b [ 2246.382866] [] ubsan_epilogue+0x12/0x53 [ 2246.398810] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2246.418597] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2246.438124] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2246.458137] [] ext4_mb_alloc_groupinfo+0x3b/0x30e [ 2246.475867] [] ext4_mb_init+0xe25/0x1242 [ 2246.494289] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2246.514189] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2246.538593] [] ext4_fill_super+0x7dd7/0xa2df [ 2246.559717] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2246.579279] [] ? vsnprintf+0x1a0/0xa32 [ 2246.595984] [] ? pointer+0x7a9/0x7a9 [ 2246.611319] [] ? set_bdev_super+0x15d/0x15d [ 2246.625974] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2246.646913] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2246.669407] [] ? scnprintf+0xf3/0xf3 [ 2246.685927] [] mount_bdev+0x3cf/0x602 [ 2246.701375] [] ? mount_bdev+0x3cf/0x602 [ 2246.716924] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2246.735145] [] ext4_mount+0x3c/0x3e [ 2246.752184] [] mount_fs+0xd0/0x2ca [ 2246.766486] [] vfs_kern_mount+0xa0/0x20a [ 2246.783490] [] do_mount+0x11fe/0x19df [ 2246.797840] [] ? kasan_kmalloc+0x94/0xa3 [ 2246.812526] [] ? copy_mount_string+0x3d/0x3d [ 2246.828651] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2246.847377] [] ? __check_object_size+0x1e1/0x2b8 [ 2246.863992] [] ? 0xffffffffb1c002b8 [ 2246.880607] [] ? copy_mount_options+0x23d/0x24d [ 2246.898704] [] SyS_mount+0xa3/0xda [ 2246.915505] [] mount_block_root+0x2fc/0x650 [ 2246.932926] [] ? init_rootfs+0x99/0x99 [ 2246.946491] [] ? security_file_ioctl+0xa5/0xb4 [ 2246.965066] [] ? SyS_mknod+0x2f/0x36 [ 2246.982215] [] mount_root+0x45/0x48 [ 2246.996163] [] prepare_namespace+0x1cf/0x235 [ 2247.013181] [] kernel_init_freeable+0x4fa/0x518 [ 2247.029806] [] kernel_init+0x16/0x181 [ 2247.044627] [] ret_from_fork+0x1f/0x40 [ 2247.059693] [] ? rest_init+0x8f/0x8f [ 2247.075539] ================================================================================ [ 2247.100321] ================================================================================ [ 2247.123750] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2247.141409] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2247.175182] which requires 64 byte alignment [ 2247.186184] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2247.204953] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2247.235397] 00000000ffffffff 00000000b1a89c60 ffff88005c9df648 ffffffffb26ec5cc [ 2247.260042] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2247.296381] ffffffff00000010 ffff88005c9df670 ffff88005c9df620 ffffffffb363c3e0 [ 2247.332113] Call Trace: [ 2247.339914] [] dump_stack+0xd7/0x132 [ 2247.360768] [] ? arch_local_irq_restore+0x1b/0x1b [ 2247.385542] [] ubsan_epilogue+0x12/0x53 [ 2247.409849] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2247.432083] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2247.450977] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2247.469765] [] ext4_mb_alloc_groupinfo+0x68/0x30e [ 2247.491190] [] ext4_mb_init+0xe25/0x1242 [ 2247.507658] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2247.523867] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2247.544575] [] ext4_fill_super+0x7dd7/0xa2df [ 2247.560756] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2247.583004] [] ? vsnprintf+0x1a0/0xa32 [ 2247.596723] [] ? pointer+0x7a9/0x7a9 [ 2247.610959] [] ? set_bdev_super+0x15d/0x15d [ 2247.625046] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2247.645006] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2247.665308] [] ? scnprintf+0xf3/0xf3 [ 2247.684213] [] mount_bdev+0x3cf/0x602 [ 2247.699828] [] ? mount_bdev+0x3cf/0x602 [ 2247.715230] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2247.733909] [] ext4_mount+0x3c/0x3e [ 2247.750620] [] mount_fs+0xd0/0x2ca [ 2247.763542] [] vfs_kern_mount+0xa0/0x20a [ 2247.782072] [] do_mount+0x11fe/0x19df [ 2247.800499] [] ? kasan_kmalloc+0x94/0xa3 [ 2247.815649] [] ? copy_mount_string+0x3d/0x3d [ 2247.832077] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2247.853146] [] ? __check_object_size+0x1e1/0x2b8 [ 2247.869372] [] ? 0xffffffffb1c002b8 [ 2247.884337] [] ? copy_mount_options+0x23d/0x24d [ 2247.899438] [] SyS_mount+0xa3/0xda [ 2247.916510] [] mount_block_root+0x2fc/0x650 [ 2247.934113] [] ? init_rootfs+0x99/0x99 [ 2247.954278] [] ? security_file_ioctl+0xa5/0xb4 [ 2247.973037] [] ? SyS_mknod+0x2f/0x36 [ 2247.993638] [] mount_root+0x45/0x48 [ 2248.012961] [] prepare_namespace+0x1cf/0x235 [ 2248.036093] [] kernel_init_freeable+0x4fa/0x518 [ 2248.062329] [] kernel_init+0x16/0x181 [ 2248.082383] [] ret_from_fork+0x1f/0x40 [ 2248.101773] [] ? rest_init+0x8f/0x8f [ 2248.124553] ================================================================================ [ 2248.161603] ================================================================================ [ 2248.195589] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2378:20 [ 2248.213793] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2248.239046] which requires 64 byte alignment [ 2248.252499] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2248.268547] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2248.299887] 00000000ffffffff 00000000b1a89c60 ffff88005c9df648 ffffffffb26ec5cc [ 2248.322990] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2248.353422] ffffffff00000010 ffff88005c9df670 ffff88005c9df620 ffffffffb363c3e0 [ 2248.380291] Call Trace: [ 2248.390570] [] dump_stack+0xd7/0x132 [ 2248.407590] [] ? arch_local_irq_restore+0x1b/0x1b [ 2248.429438] [] ubsan_epilogue+0x12/0x53 [ 2248.444423] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2248.469334] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2248.497171] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2248.531849] [] ext4_mb_alloc_groupinfo+0x81/0x30e [ 2248.561921] [] ext4_mb_init+0xe25/0x1242 [ 2248.595049] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2248.623830] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2248.645896] [] ext4_fill_super+0x7dd7/0xa2df [ 2248.666984] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2248.691722] [] ? vsnprintf+0x1a0/0xa32 [ 2248.708173] [] ? pointer+0x7a9/0x7a9 [ 2248.721762] [] ? set_bdev_super+0x15d/0x15d [ 2248.739302] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2248.762206] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2248.784956] [] ? scnprintf+0xf3/0xf3 [ 2248.802543] [] mount_bdev+0x3cf/0x602 [ 2248.823648] [] ? mount_bdev+0x3cf/0x602 [ 2248.844412] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2248.868664] [] ext4_mount+0x3c/0x3e [ 2248.886957] [] mount_fs+0xd0/0x2ca [ 2248.904921] [] vfs_kern_mount+0xa0/0x20a [ 2248.925320] [] do_mount+0x11fe/0x19df [ 2248.941200] [] ? kasan_kmalloc+0x94/0xa3 [ 2248.962326] [] ? copy_mount_string+0x3d/0x3d [ 2248.981898] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2249.003610] [] ? __check_object_size+0x1e1/0x2b8 [ 2249.028602] [] ? 0xffffffffb1c002b8 [ 2249.044236] [] ? copy_mount_options+0x23d/0x24d [ 2249.066365] [] SyS_mount+0xa3/0xda [ 2249.083208] [] mount_block_root+0x2fc/0x650 [ 2249.099512] [] ? init_rootfs+0x99/0x99 [ 2249.120481] [] ? security_file_ioctl+0xa5/0xb4 [ 2249.140433] [] ? SyS_mknod+0x2f/0x36 [ 2249.161056] [] mount_root+0x45/0x48 [ 2249.177590] [] prepare_namespace+0x1cf/0x235 [ 2249.198472] [] kernel_init_freeable+0x4fa/0x518 [ 2249.217777] [] kernel_init+0x16/0x181 [ 2249.236529] [] ret_from_fork+0x1f/0x40 [ 2249.254677] [] ? rest_init+0x8f/0x8f [ 2249.276617] ================================================================================ [ 2249.316943] ================================================================================ [ 2249.340694] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2249.362830] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2249.398742] which requires 64 byte alignment [ 2249.411891] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2249.431896] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2249.459990] 00000000ffffffff 00000000b1a89c60 ffff88005c9df648 ffffffffb26ec5cc [ 2249.484493] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2249.509127] ffffffff00000010 ffff88005c9df670 ffff88005c9df620 ffffffffb363c3e0 [ 2249.535079] Call Trace: [ 2249.542142] [] dump_stack+0xd7/0x132 [ 2249.559303] [] ? arch_local_irq_restore+0x1b/0x1b [ 2249.580876] [] ubsan_epilogue+0x12/0x53 [ 2249.599351] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2249.624144] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2249.647918] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2249.670928] [] ext4_mb_alloc_groupinfo+0xad/0x30e [ 2249.692069] [] ext4_mb_init+0xe25/0x1242 [ 2249.706730] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2249.723433] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2249.740451] [] ext4_fill_super+0x7dd7/0xa2df [ 2249.755711] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2249.773068] [] ? vsnprintf+0x1a0/0xa32 [ 2249.789043] [] ? pointer+0x7a9/0x7a9 [ 2249.801436] [] ? set_bdev_super+0x15d/0x15d [ 2249.818343] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2249.838450] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2249.859116] [] ? scnprintf+0xf3/0xf3 [ 2249.873638] [] mount_bdev+0x3cf/0x602 [ 2249.892631] [] ? mount_bdev+0x3cf/0x602 [ 2249.907503] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2249.930381] [] ext4_mount+0x3c/0x3e [ 2249.952401] [] mount_fs+0xd0/0x2ca [ 2249.965136] [] vfs_kern_mount+0xa0/0x20a [ 2249.985705] [] do_mount+0x11fe/0x19df [ 2250.003155] [] ? kasan_kmalloc+0x94/0xa3 [ 2250.019314] [] ? copy_mount_string+0x3d/0x3d [ 2250.038041] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2250.056684] [] ? __check_object_size+0x1e1/0x2b8 [ 2250.075099] [] ? 0xffffffffb1c002b8 [ 2250.089814] [] ? copy_mount_options+0x23d/0x24d [ 2250.106585] [] SyS_mount+0xa3/0xda [ 2250.120571] [] mount_block_root+0x2fc/0x650 [ 2250.137699] [] ? init_rootfs+0x99/0x99 [ 2250.155593] [] ? security_file_ioctl+0xa5/0xb4 [ 2250.170704] [] ? SyS_mknod+0x2f/0x36 [ 2250.184644] [] mount_root+0x45/0x48 [ 2250.200065] [] prepare_namespace+0x1cf/0x235 [ 2250.216625] [] kernel_init_freeable+0x4fa/0x518 [ 2250.232376] [] kernel_init+0x16/0x181 [ 2250.249290] [] ret_from_fork+0x1f/0x40 [ 2250.268461] [] ? rest_init+0x8f/0x8f [ 2250.292014] ================================================================================ [ 2250.316229] ================================================================================ [ 2250.339720] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2379:3 [ 2250.355012] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2250.379447] which requires 64 byte alignment [ 2250.393861] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2250.411482] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2250.437266] 00000000ffffffff 00000000b1a89c60 ffff88005c9df648 ffffffffb26ec5cc [ 2250.458161] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2250.483342] ffffffff00000010 ffff88005c9df670 ffff88005c9df620 ffffffffb363c3e0 [ 2250.506820] Call Trace: [ 2250.513779] [] dump_stack+0xd7/0x132 [ 2250.529999] [] ? arch_local_irq_restore+0x1b/0x1b [ 2250.548828] [] ubsan_epilogue+0x12/0x53 [ 2250.564326] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2250.587017] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2250.607005] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2250.624497] [] ext4_mb_alloc_groupinfo+0xc6/0x30e [ 2250.646034] [] ext4_mb_init+0xe25/0x1242 [ 2250.664009] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2250.681491] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2250.698850] [] ext4_fill_super+0x7dd7/0xa2df [ 2250.717486] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2250.737126] [] ? vsnprintf+0x1a0/0xa32 [ 2250.753573] [] ? pointer+0x7a9/0x7a9 [ 2250.773683] [] ? set_bdev_super+0x15d/0x15d [ 2250.797363] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2250.818885] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2250.840822] [] ? scnprintf+0xf3/0xf3 [ 2250.856235] [] mount_bdev+0x3cf/0x602 [ 2250.869214] [] ? mount_bdev+0x3cf/0x602 [ 2250.885223] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2250.904975] [] ext4_mount+0x3c/0x3e [ 2250.924764] [] mount_fs+0xd0/0x2ca [ 2250.940596] [] vfs_kern_mount+0xa0/0x20a [ 2250.960718] [] do_mount+0x11fe/0x19df [ 2250.976981] [] ? kasan_kmalloc+0x94/0xa3 [ 2250.992715] [] ? copy_mount_string+0x3d/0x3d [ 2251.007997] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2251.023116] [] ? __check_object_size+0x1e1/0x2b8 [ 2251.045753] [] ? 0xffffffffb1c002b8 [ 2251.060844] [] ? copy_mount_options+0x23d/0x24d [ 2251.079434] [] SyS_mount+0xa3/0xda [ 2251.093655] [] mount_block_root+0x2fc/0x650 [ 2251.111564] [] ? init_rootfs+0x99/0x99 [ 2251.124635] [] ? security_file_ioctl+0xa5/0xb4 [ 2251.143025] [] ? SyS_mknod+0x2f/0x36 [ 2251.157569] [] mount_root+0x45/0x48 [ 2251.170261] [] prepare_namespace+0x1cf/0x235 [ 2251.185542] [] kernel_init_freeable+0x4fa/0x518 [ 2251.203156] [] kernel_init+0x16/0x181 [ 2251.219698] [] ret_from_fork+0x1f/0x40 [ 2251.237214] [] ? rest_init+0x8f/0x8f [ 2251.252204] ================================================================================ [ 2251.279207] ================================================================================ [ 2251.305701] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2380:17 [ 2251.322049] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2251.355337] which requires 64 byte alignment [ 2251.368256] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2251.383435] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2251.413340] 00000000ffffffff 00000000b1a89c60 ffff88005c9df648 ffffffffb26ec5cc [ 2251.437886] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2251.461784] ffffffff00000010 ffff88005c9df670 ffff88005c9df620 ffffffffb363c3e0 [ 2251.486477] Call Trace: [ 2251.496613] [] dump_stack+0xd7/0x132 [ 2251.511959] [] ? arch_local_irq_restore+0x1b/0x1b [ 2251.529783] [] ubsan_epilogue+0x12/0x53 [ 2251.544437] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2251.565720] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2251.587745] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2251.609069] [] ext4_mb_alloc_groupinfo+0x11a/0x30e [ 2251.629574] [] ext4_mb_init+0xe25/0x1242 [ 2251.643881] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2251.671758] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2251.697183] [] ext4_fill_super+0x7dd7/0xa2df [ 2251.714192] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2251.735210] [] ? vsnprintf+0x1a0/0xa32 [ 2251.751125] [] ? pointer+0x7a9/0x7a9 [ 2251.766092] [] ? set_bdev_super+0x15d/0x15d [ 2251.782936] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2251.803476] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2251.823214] [] ? scnprintf+0xf3/0xf3 [ 2251.840573] [] mount_bdev+0x3cf/0x602 [ 2251.858363] [] ? mount_bdev+0x3cf/0x602 [ 2251.873591] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2251.892054] [] ext4_mount+0x3c/0x3e [ 2251.907094] [] mount_fs+0xd0/0x2ca [ 2251.921257] [] vfs_kern_mount+0xa0/0x20a [ 2251.936782] [] do_mount+0x11fe/0x19df [ 2251.951771] [] ? kasan_kmalloc+0x94/0xa3 [ 2251.965761] [] ? copy_mount_string+0x3d/0x3d [ 2251.986690] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2252.003241] [] ? __check_object_size+0x1e1/0x2b8 [ 2252.020057] [] ? 0xffffffffb1c002b8 [ 2252.035978] [] ? copy_mount_options+0x23d/0x24d [ 2252.053679] [] SyS_mount+0xa3/0xda [ 2252.068953] [] mount_block_root+0x2fc/0x650 [ 2252.088576] [] ? init_rootfs+0x99/0x99 [ 2252.103529] [] ? security_file_ioctl+0xa5/0xb4 [ 2252.120157] [] ? SyS_mknod+0x2f/0x36 [ 2252.135390] [] mount_root+0x45/0x48 [ 2252.150944] [] prepare_namespace+0x1cf/0x235 [ 2252.168139] [] kernel_init_freeable+0x4fa/0x518 [ 2252.187485] [] kernel_init+0x16/0x181 [ 2252.201150] [] ret_from_fork+0x1f/0x40 [ 2252.218756] [] ? rest_init+0x8f/0x8f [ 2252.237969] ================================================================================ [ 2252.266943] ================================================================================ [ 2252.292301] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2389:9 [ 2252.313340] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2252.342205] which requires 64 byte alignment [ 2252.356069] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2252.374134] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2252.400669] 00000000ffffffff 00000000b1a89c60 ffff88005c9df648 ffffffffb26ec5cc [ 2252.421948] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2252.443886] ffff880000000010 ffff88005c9df670 ffff88005c9df620 ffffffffb363c3e0 [ 2252.471857] Call Trace: [ 2252.479862] [] dump_stack+0xd7/0x132 [ 2252.496996] [] ? arch_local_irq_restore+0x1b/0x1b [ 2252.517347] [] ubsan_epilogue+0x12/0x53 [ 2252.536744] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2252.559925] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2252.584855] [] ext4_mb_alloc_groupinfo+0x1f9/0x30e [ 2252.607361] [] ext4_mb_init+0xe25/0x1242 [ 2252.627800] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2252.647837] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2252.669172] [] ext4_fill_super+0x7dd7/0xa2df [ 2252.688565] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2252.712442] [] ? vsnprintf+0x1a0/0xa32 [ 2252.730125] [] ? pointer+0x7a9/0x7a9 [ 2252.746608] [] ? set_bdev_super+0x15d/0x15d [ 2252.764440] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2252.787446] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2252.814806] [] ? scnprintf+0xf3/0xf3 [ 2252.832517] [] mount_bdev+0x3cf/0x602 [ 2252.847517] [] ? mount_bdev+0x3cf/0x602 [ 2252.865860] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2252.891699] [] ext4_mount+0x3c/0x3e [ 2252.908788] [] mount_fs+0xd0/0x2ca [ 2252.924397] [] vfs_kern_mount+0xa0/0x20a [ 2252.942351] [] do_mount+0x11fe/0x19df [ 2252.958500] [] ? kasan_kmalloc+0x94/0xa3 [ 2252.975843] [] ? copy_mount_string+0x3d/0x3d [ 2252.994342] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2253.014474] [] ? __check_object_size+0x1e1/0x2b8 [ 2253.034070] [] ? 0xffffffffb1c002b8 [ 2253.051483] [] ? copy_mount_options+0x23d/0x24d [ 2253.071370] [] SyS_mount+0xa3/0xda [ 2253.090806] [] mount_block_root+0x2fc/0x650 [ 2253.111999] [] ? init_rootfs+0x99/0x99 [ 2253.129187] [] ? security_file_ioctl+0xa5/0xb4 [ 2253.149411] [] ? SyS_mknod+0x2f/0x36 [ 2253.165321] [] mount_root+0x45/0x48 [ 2253.182897] [] prepare_namespace+0x1cf/0x235 [ 2253.203699] [] kernel_init_freeable+0x4fa/0x518 [ 2253.224293] [] kernel_init+0x16/0x181 [ 2253.243563] [] ret_from_fork+0x1f/0x40 [ 2253.260164] [] ? rest_init+0x8f/0x8f [ 2253.281309] ================================================================================ [ 2253.313441] ================================================================================ [ 2253.342157] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2394:20 [ 2253.364873] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2253.396367] which requires 64 byte alignment [ 2253.411517] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2253.429409] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2253.460585] 00000000ffffffff 00000000b1a89c60 ffff88005c9df648 ffffffffb26ec5cc [ 2253.484572] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2253.509665] ffffffff00000010 ffff88005c9df670 ffff88005c9df620 ffffffffb363c3e0 [ 2253.531236] Call Trace: [ 2253.538069] [] dump_stack+0xd7/0x132 [ 2253.555839] [] ? arch_local_irq_restore+0x1b/0x1b [ 2253.574729] [] ubsan_epilogue+0x12/0x53 [ 2253.590444] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2253.612974] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2253.636137] [] ext4_mb_alloc_groupinfo+0x2b7/0x30e [ 2253.658939] [] ext4_mb_init+0xe25/0x1242 [ 2253.677660] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2253.696112] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2253.716251] [] ext4_fill_super+0x7dd7/0xa2df [ 2253.736036] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2253.756592] [] ? vsnprintf+0x1a0/0xa32 [ 2253.778798] [] ? pointer+0x7a9/0x7a9 [ 2253.794434] [] ? set_bdev_super+0x15d/0x15d [ 2253.813502] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2253.835780] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2253.859913] [] ? scnprintf+0xf3/0xf3 [ 2253.880194] [] mount_bdev+0x3cf/0x602 [ 2253.899201] [] ? mount_bdev+0x3cf/0x602 [ 2253.919952] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2253.941450] [] ext4_mount+0x3c/0x3e [ 2253.958971] [] mount_fs+0xd0/0x2ca [ 2253.979181] [] vfs_kern_mount+0xa0/0x20a [ 2253.999174] [] do_mount+0x11fe/0x19df [ 2254.017002] [] ? kasan_kmalloc+0x94/0xa3 [ 2254.035020] [] ? copy_mount_string+0x3d/0x3d [ 2254.052828] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2254.072722] [] ? __check_object_size+0x1e1/0x2b8 [ 2254.091217] [] ? 0xffffffffb1c002b8 [ 2254.109485] [] ? copy_mount_options+0x23d/0x24d [ 2254.131778] [] SyS_mount+0xa3/0xda [ 2254.148277] [] mount_block_root+0x2fc/0x650 [ 2254.164132] [] ? init_rootfs+0x99/0x99 [ 2254.183784] [] ? security_file_ioctl+0xa5/0xb4 [ 2254.202817] [] ? SyS_mknod+0x2f/0x36 [ 2254.218975] [] mount_root+0x45/0x48 [ 2254.237326] [] prepare_namespace+0x1cf/0x235 [ 2254.255217] [] kernel_init_freeable+0x4fa/0x518 [ 2254.272566] [] kernel_init+0x16/0x181 [ 2254.300031] [] ret_from_fork+0x1f/0x40 [ 2254.319167] [] ? rest_init+0x8f/0x8f [ 2254.336204] ================================================================================ [ 2254.363767] ================================================================================ [ 2254.391997] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2395:25 [ 2254.412210] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2254.440719] which requires 64 byte alignment [ 2254.455957] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2254.473279] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2254.505315] 00000000ffffffff 00000000b1a89c60 ffff88005c9df648 ffffffffb26ec5cc [ 2254.526882] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2254.551886] ffffffff00000010 ffff88005c9df670 ffff88005c9df620 ffffffffb363c3e0 [ 2254.579873] Call Trace: [ 2254.587369] [] dump_stack+0xd7/0x132 [ 2254.605412] [] ? arch_local_irq_restore+0x1b/0x1b [ 2254.627431] [] ubsan_epilogue+0x12/0x53 [ 2254.646410] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2254.676513] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2254.704786] [] ext4_mb_alloc_groupinfo+0x2e7/0x30e [ 2254.731692] [] ext4_mb_init+0xe25/0x1242 [ 2254.748951] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2254.768091] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2254.790174] [] ext4_fill_super+0x7dd7/0xa2df [ 2254.806944] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2254.828897] [] ? vsnprintf+0x1a0/0xa32 [ 2254.843481] [] ? pointer+0x7a9/0x7a9 [ 2254.861623] [] ? set_bdev_super+0x15d/0x15d [ 2254.879969] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2254.901995] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2254.930540] [] ? scnprintf+0xf3/0xf3 [ 2254.946623] [] mount_bdev+0x3cf/0x602 [ 2254.965954] [] ? mount_bdev+0x3cf/0x602 [ 2254.983128] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2255.002030] [] ext4_mount+0x3c/0x3e [ 2255.020248] [] mount_fs+0xd0/0x2ca [ 2255.035787] [] vfs_kern_mount+0xa0/0x20a [ 2255.051472] [] do_mount+0x11fe/0x19df [ 2255.065504] [] ? kasan_kmalloc+0x94/0xa3 [ 2255.081463] [] ? copy_mount_string+0x3d/0x3d [ 2255.098790] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2255.117094] [] ? __check_object_size+0x1e1/0x2b8 [ 2255.134674] [] ? 0xffffffffb1c002b8 [ 2255.148769] [] ? copy_mount_options+0x23d/0x24d [ 2255.166970] [] SyS_mount+0xa3/0xda [ 2255.182178] [] mount_block_root+0x2fc/0x650 [ 2255.201036] [] ? init_rootfs+0x99/0x99 [ 2255.216595] [] ? security_file_ioctl+0xa5/0xb4 [ 2255.234750] [] ? SyS_mknod+0x2f/0x36 [ 2255.251004] [] mount_root+0x45/0x48 [ 2255.264087] [] prepare_namespace+0x1cf/0x235 [ 2255.281069] [] kernel_init_freeable+0x4fa/0x518 [ 2255.301453] [] kernel_init+0x16/0x181 [ 2255.314295] [] ret_from_fork+0x1f/0x40 [ 2255.329040] [] ? rest_init+0x8f/0x8f [ 2255.344105] ================================================================================ [ 2255.378335] ================================================================================ [ 2255.413397] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2497:21 [ 2255.435861] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2255.478603] which requires 64 byte alignment [ 2255.497134] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2255.525603] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2255.564658] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2255.593138] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2255.618454] 0000000000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2255.644940] Call Trace: [ 2255.657330] [] dump_stack+0xd7/0x132 [ 2255.672943] [] ? arch_local_irq_restore+0x1b/0x1b [ 2255.697173] [] ubsan_epilogue+0x12/0x53 [ 2255.719748] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2255.746754] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2255.771754] [] ? inode_sb_list_add+0xe7/0xf2 [ 2255.796192] [] ext4_mb_init+0xe59/0x1242 [ 2255.814168] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2255.834356] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2255.855974] [] ext4_fill_super+0x7dd7/0xa2df [ 2255.874374] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2255.894594] [] ? vsnprintf+0x1a0/0xa32 [ 2255.912871] [] ? pointer+0x7a9/0x7a9 [ 2255.927906] [] ? set_bdev_super+0x15d/0x15d [ 2255.946511] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2255.975565] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2255.997528] [] ? scnprintf+0xf3/0xf3 [ 2256.017098] [] mount_bdev+0x3cf/0x602 [ 2256.033444] [] ? mount_bdev+0x3cf/0x602 [ 2256.056259] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2256.077970] [] ext4_mount+0x3c/0x3e [ 2256.098471] [] mount_fs+0xd0/0x2ca [ 2256.116033] [] vfs_kern_mount+0xa0/0x20a [ 2256.135287] [] do_mount+0x11fe/0x19df [ 2256.150647] [] ? kasan_kmalloc+0x94/0xa3 [ 2256.168185] [] ? copy_mount_string+0x3d/0x3d [ 2256.188049] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2256.208956] [] ? __check_object_size+0x1e1/0x2b8 [ 2256.227352] [] ? 0xffffffffb1c002b8 [ 2256.252308] [] ? copy_mount_options+0x23d/0x24d [ 2256.271506] [] SyS_mount+0xa3/0xda [ 2256.286657] [] mount_block_root+0x2fc/0x650 [ 2256.306861] [] ? init_rootfs+0x99/0x99 [ 2256.327277] [] ? security_file_ioctl+0xa5/0xb4 [ 2256.345898] [] ? SyS_mknod+0x2f/0x36 [ 2256.362619] [] mount_root+0x45/0x48 [ 2256.380673] [] prepare_namespace+0x1cf/0x235 [ 2256.404814] [] kernel_init_freeable+0x4fa/0x518 [ 2256.423609] [] kernel_init+0x16/0x181 [ 2256.441746] [] ret_from_fork+0x1f/0x40 [ 2256.460579] [] ? rest_init+0x8f/0x8f [ 2256.478300] ================================================================================ [ 2256.510481] ================================================================================ [ 2256.540521] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2498:9 [ 2256.559370] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2256.585405] which requires 64 byte alignment [ 2256.599227] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2256.614280] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2256.638523] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2256.659221] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2256.682690] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2256.706051] Call Trace: [ 2256.711640] [] dump_stack+0xd7/0x132 [ 2256.728484] [] ? arch_local_irq_restore+0x1b/0x1b [ 2256.745877] [] ubsan_epilogue+0x12/0x53 [ 2256.761618] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2256.780570] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2256.806323] [] ? inode_sb_list_add+0xe7/0xf2 [ 2256.835890] [] ext4_mb_init+0xe8f/0x1242 [ 2256.855043] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2256.876537] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2256.896098] [] ext4_fill_super+0x7dd7/0xa2df [ 2256.913793] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2256.934870] [] ? vsnprintf+0x1a0/0xa32 [ 2256.949907] [] ? pointer+0x7a9/0x7a9 [ 2256.963389] [] ? set_bdev_super+0x15d/0x15d [ 2256.980582] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2257.001008] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2257.022980] [] ? scnprintf+0xf3/0xf3 [ 2257.038541] [] mount_bdev+0x3cf/0x602 [ 2257.055773] [] ? mount_bdev+0x3cf/0x602 [ 2257.073829] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2257.093321] [] ext4_mount+0x3c/0x3e [ 2257.107085] [] mount_fs+0xd0/0x2ca [ 2257.122820] [] vfs_kern_mount+0xa0/0x20a [ 2257.137755] [] do_mount+0x11fe/0x19df [ 2257.154687] [] ? kasan_kmalloc+0x94/0xa3 [ 2257.169398] [] ? copy_mount_string+0x3d/0x3d [ 2257.186502] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2257.204952] [] ? __check_object_size+0x1e1/0x2b8 [ 2257.222083] [] ? 0xffffffffb1c002b8 [ 2257.240096] [] ? copy_mount_options+0x23d/0x24d [ 2257.260570] [] SyS_mount+0xa3/0xda [ 2257.276562] [] mount_block_root+0x2fc/0x650 [ 2257.297814] [] ? init_rootfs+0x99/0x99 [ 2257.316887] [] ? security_file_ioctl+0xa5/0xb4 [ 2257.338343] [] ? SyS_mknod+0x2f/0x36 [ 2257.356919] [] mount_root+0x45/0x48 [ 2257.373453] [] prepare_namespace+0x1cf/0x235 [ 2257.398571] [] kernel_init_freeable+0x4fa/0x518 [ 2257.430197] [] kernel_init+0x16/0x181 [ 2257.447116] [] ret_from_fork+0x1f/0x40 [ 2257.464333] [] ? rest_init+0x8f/0x8f [ 2257.482574] ================================================================================ [ 2257.510883] ================================================================================ [ 2257.536916] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2506:5 [ 2257.560175] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2257.589038] which requires 64 byte alignment [ 2257.604229] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2257.624754] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2257.651592] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2257.676253] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2257.701555] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2257.730051] Call Trace: [ 2257.738100] [] dump_stack+0xd7/0x132 [ 2257.757142] [] ? arch_local_irq_restore+0x1b/0x1b [ 2257.779347] [] ubsan_epilogue+0x12/0x53 [ 2257.799831] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2257.822105] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2257.846758] [] ? inode_sb_list_add+0xe7/0xf2 [ 2257.867140] [] ext4_mb_init+0xed2/0x1242 [ 2257.885839] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2257.905812] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2257.932889] [] ext4_fill_super+0x7dd7/0xa2df [ 2257.952135] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2257.972944] [] ? vsnprintf+0x1a0/0xa32 [ 2257.989834] [] ? pointer+0x7a9/0x7a9 [ 2258.006121] [] ? set_bdev_super+0x15d/0x15d [ 2258.025802] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2258.047461] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2258.071382] [] ? scnprintf+0xf3/0xf3 [ 2258.088676] [] mount_bdev+0x3cf/0x602 [ 2258.115832] [] ? mount_bdev+0x3cf/0x602 [ 2258.132891] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2258.151423] [] ext4_mount+0x3c/0x3e [ 2258.165317] [] mount_fs+0xd0/0x2ca [ 2258.179965] [] vfs_kern_mount+0xa0/0x20a [ 2258.199771] [] do_mount+0x11fe/0x19df [ 2258.215858] [] ? kasan_kmalloc+0x94/0xa3 [ 2258.234514] [] ? copy_mount_string+0x3d/0x3d [ 2258.253218] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2258.271861] [] ? __check_object_size+0x1e1/0x2b8 [ 2258.291562] [] ? 0xffffffffb1c002b8 [ 2258.308938] [] ? copy_mount_options+0x23d/0x24d [ 2258.333774] [] SyS_mount+0xa3/0xda [ 2258.351400] [] mount_block_root+0x2fc/0x650 [ 2258.367459] [] ? init_rootfs+0x99/0x99 [ 2258.385977] [] ? security_file_ioctl+0xa5/0xb4 [ 2258.404885] [] ? SyS_mknod+0x2f/0x36 [ 2258.420577] [] mount_root+0x45/0x48 [ 2258.438733] [] prepare_namespace+0x1cf/0x235 [ 2258.456918] [] kernel_init_freeable+0x4fa/0x518 [ 2258.473965] [] kernel_init+0x16/0x181 [ 2258.489565] [] ret_from_fork+0x1f/0x40 [ 2258.506470] [] ? rest_init+0x8f/0x8f [ 2258.521832] ================================================================================ [ 2258.550176] ================================================================================ [ 2258.573924] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2507:2 [ 2258.590207] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2258.616254] which requires 64 byte alignment [ 2258.629573] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2258.645821] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2258.680380] 00000000ffffffff 00000000b1a89c60 ffff88005c9df690 ffffffffb26ec5cc [ 2258.703612] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2258.727311] ffff880000000010 ffff88005c9df6b8 ffff88005c9df668 ffffffffb363c3e0 [ 2258.747760] Call Trace: [ 2258.756963] [] dump_stack+0xd7/0x132 [ 2258.769631] [] ? arch_local_irq_restore+0x1b/0x1b [ 2258.790748] [] ubsan_epilogue+0x12/0x53 [ 2258.814811] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2258.837809] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2258.862416] [] ? inode_sb_list_add+0xe7/0xf2 [ 2258.886502] [] ext4_mb_init+0xf18/0x1242 [ 2258.905125] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2258.926058] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2258.947643] [] ext4_fill_super+0x7dd7/0xa2df [ 2258.969575] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2258.993423] [] ? vsnprintf+0x1a0/0xa32 [ 2259.011839] [] ? pointer+0x7a9/0x7a9 [ 2259.027660] [] ? set_bdev_super+0x15d/0x15d [ 2259.062333] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2259.101583] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2259.140095] [] ? scnprintf+0xf3/0xf3 [ 2259.158853] [] mount_bdev+0x3cf/0x602 [ 2259.177093] [] ? mount_bdev+0x3cf/0x602 [ 2259.204785] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2259.223965] [] ext4_mount+0x3c/0x3e [ 2259.242478] [] mount_fs+0xd0/0x2ca [ 2259.262632] [] vfs_kern_mount+0xa0/0x20a [ 2259.277456] [] do_mount+0x11fe/0x19df [ 2259.306274] [] ? kasan_kmalloc+0x94/0xa3 [ 2259.322067] [] ? copy_mount_string+0x3d/0x3d [ 2259.346336] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2259.365047] [] ? __check_object_size+0x1e1/0x2b8 [ 2259.381349] [] ? 0xffffffffb1c002b8 [ 2259.396375] [] ? copy_mount_options+0x23d/0x24d [ 2259.414844] [] SyS_mount+0xa3/0xda [ 2259.428038] [] mount_block_root+0x2fc/0x650 [ 2259.448168] [] ? init_rootfs+0x99/0x99 [ 2259.462027] [] ? security_file_ioctl+0xa5/0xb4 [ 2259.479041] [] ? SyS_mknod+0x2f/0x36 [ 2259.493983] [] mount_root+0x45/0x48 [ 2259.508923] [] prepare_namespace+0x1cf/0x235 [ 2259.528554] [] kernel_init_freeable+0x4fa/0x518 [ 2259.545507] [] kernel_init+0x16/0x181 [ 2259.563552] [] ret_from_fork+0x1f/0x40 [ 2259.580470] [] ? rest_init+0x8f/0x8f [ 2259.595756] ================================================================================ [ 2259.619479] ================================================================================ [ 2259.655831] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2259.676064] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2259.703919] which requires 64 byte alignment [ 2259.718640] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2259.734651] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2259.762150] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5d0 ffffffffb26ec5cc [ 2259.786121] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2259.810776] 0000000000000010 ffff88005c9df5f8 ffff88005c9df5a8 ffffffffb363c3e0 [ 2259.834110] Call Trace: [ 2259.840621] [] dump_stack+0xd7/0x132 [ 2259.855755] [] ? arch_local_irq_restore+0x1b/0x1b [ 2259.878140] [] ubsan_epilogue+0x12/0x53 [ 2259.894813] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2259.914822] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2259.935066] [] ext4_mb_add_groupinfo+0x9d/0xa6a [ 2259.952933] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2259.970499] [] ? ext4_get_group_desc+0x353/0x365 [ 2259.988743] [] ext4_mb_init+0xfcd/0x1242 [ 2260.004033] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2260.019404] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2260.036913] [] ext4_fill_super+0x7dd7/0xa2df [ 2260.055082] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2260.072834] [] ? vsnprintf+0x1a0/0xa32 [ 2260.089536] [] ? pointer+0x7a9/0x7a9 [ 2260.105018] [] ? set_bdev_super+0x15d/0x15d [ 2260.119871] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2260.138964] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2260.160597] [] ? scnprintf+0xf3/0xf3 [ 2260.175919] [] mount_bdev+0x3cf/0x602 [ 2260.189705] [] ? mount_bdev+0x3cf/0x602 [ 2260.205929] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2260.226182] [] ext4_mount+0x3c/0x3e [ 2260.245173] [] mount_fs+0xd0/0x2ca [ 2260.259385] [] vfs_kern_mount+0xa0/0x20a [ 2260.276705] [] do_mount+0x11fe/0x19df [ 2260.295687] [] ? kasan_kmalloc+0x94/0xa3 [ 2260.313593] [] ? copy_mount_string+0x3d/0x3d [ 2260.332733] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2260.354477] [] ? __check_object_size+0x1e1/0x2b8 [ 2260.372207] [] ? 0xffffffffb1c002b8 [ 2260.386681] [] ? copy_mount_options+0x23d/0x24d [ 2260.407690] [] SyS_mount+0xa3/0xda [ 2260.424834] [] mount_block_root+0x2fc/0x650 [ 2260.444532] [] ? init_rootfs+0x99/0x99 [ 2260.463196] [] ? security_file_ioctl+0xa5/0xb4 [ 2260.480827] [] ? SyS_mknod+0x2f/0x36 [ 2260.494949] [] mount_root+0x45/0x48 [ 2260.512995] [] prepare_namespace+0x1cf/0x235 [ 2260.532955] [] kernel_init_freeable+0x4fa/0x518 [ 2260.553585] [] kernel_init+0x16/0x181 [ 2260.571594] [] ret_from_fork+0x1f/0x40 [ 2260.587703] [] ? rest_init+0x8f/0x8f [ 2260.604016] ================================================================================ [ 2260.631597] ================================================================================ [ 2260.658712] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2409:52 [ 2260.680272] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2260.712629] which requires 64 byte alignment [ 2260.725362] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2260.746939] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2260.782865] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5d0 ffffffffb26ec5cc [ 2260.814423] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2260.840652] ffff880000000010 ffff88005c9df5f8 ffff88005c9df5a8 ffffffffb363c3e0 [ 2260.865162] Call Trace: [ 2260.875937] [] dump_stack+0xd7/0x132 [ 2260.893421] [] ? arch_local_irq_restore+0x1b/0x1b [ 2260.912557] [] ubsan_epilogue+0x12/0x53 [ 2260.931419] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2260.953176] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2260.977094] [] ext4_mb_add_groupinfo+0xd3/0xa6a [ 2261.004172] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2261.037294] [] ? ext4_get_group_desc+0x353/0x365 [ 2261.059584] [] ext4_mb_init+0xfcd/0x1242 [ 2261.080012] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2261.100000] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2261.125145] [] ext4_fill_super+0x7dd7/0xa2df [ 2261.149712] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2261.173267] [] ? vsnprintf+0x1a0/0xa32 [ 2261.190423] [] ? pointer+0x7a9/0x7a9 [ 2261.212104] [] ? set_bdev_super+0x15d/0x15d [ 2261.233001] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2261.258336] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2261.281919] [] ? scnprintf+0xf3/0xf3 [ 2261.301242] [] mount_bdev+0x3cf/0x602 [ 2261.317650] [] ? mount_bdev+0x3cf/0x602 [ 2261.337913] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2261.361796] [] ext4_mount+0x3c/0x3e [ 2261.379283] [] mount_fs+0xd0/0x2ca [ 2261.396503] [] vfs_kern_mount+0xa0/0x20a [ 2261.413643] [] do_mount+0x11fe/0x19df [ 2261.432664] [] ? kasan_kmalloc+0x94/0xa3 [ 2261.453811] [] ? copy_mount_string+0x3d/0x3d [ 2261.473483] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2261.491411] [] ? __check_object_size+0x1e1/0x2b8 [ 2261.512880] [] ? 0xffffffffb1c002b8 [ 2261.529362] [] ? copy_mount_options+0x23d/0x24d [ 2261.553722] [] SyS_mount+0xa3/0xda [ 2261.569093] [] mount_block_root+0x2fc/0x650 [ 2261.586802] [] ? init_rootfs+0x99/0x99 [ 2261.604653] [] ? security_file_ioctl+0xa5/0xb4 [ 2261.628101] [] ? SyS_mknod+0x2f/0x36 [ 2261.649231] [] mount_root+0x45/0x48 [ 2261.663452] [] prepare_namespace+0x1cf/0x235 [ 2261.682694] [] kernel_init_freeable+0x4fa/0x518 [ 2261.701313] [] kernel_init+0x16/0x181 [ 2261.717125] [] ret_from_fork+0x1f/0x40 [ 2261.734986] [] ? rest_init+0x8f/0x8f [ 2261.760837] ================================================================================ [ 2261.791603] ================================================================================ [ 2261.817958] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2261.839340] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2261.864599] which requires 64 byte alignment [ 2261.879032] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2261.898524] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2261.931425] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5d0 ffffffffb26ec5cc [ 2261.955612] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2261.979681] ffff880000000010 ffff88005c9df5f8 ffff88005c9df5a8 ffffffffb363c3e0 [ 2262.004020] Call Trace: [ 2262.012690] [] dump_stack+0xd7/0x132 [ 2262.030596] [] ? arch_local_irq_restore+0x1b/0x1b [ 2262.054360] [] ubsan_epilogue+0x12/0x53 [ 2262.074452] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2262.100304] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2262.126173] [] ext4_mb_add_groupinfo+0x17d/0xa6a [ 2262.149858] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2262.173703] [] ? ext4_get_group_desc+0x353/0x365 [ 2262.193388] [] ext4_mb_init+0xfcd/0x1242 [ 2262.212437] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2262.233976] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2262.256458] [] ext4_fill_super+0x7dd7/0xa2df [ 2262.276983] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2262.298583] [] ? vsnprintf+0x1a0/0xa32 [ 2262.316266] [] ? pointer+0x7a9/0x7a9 [ 2262.335047] [] ? set_bdev_super+0x15d/0x15d [ 2262.355143] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2262.377711] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2262.403512] [] ? scnprintf+0xf3/0xf3 [ 2262.418757] [] mount_bdev+0x3cf/0x602 [ 2262.436143] [] ? mount_bdev+0x3cf/0x602 [ 2262.455156] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2262.475651] [] ext4_mount+0x3c/0x3e [ 2262.492243] [] mount_fs+0xd0/0x2ca [ 2262.509033] [] vfs_kern_mount+0xa0/0x20a [ 2262.527543] [] do_mount+0x11fe/0x19df [ 2262.543377] [] ? kasan_kmalloc+0x94/0xa3 [ 2262.563290] [] ? copy_mount_string+0x3d/0x3d [ 2262.585167] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2262.607152] [] ? __check_object_size+0x1e1/0x2b8 [ 2262.629331] [] ? 0xffffffffb1c002b8 [ 2262.644003] [] ? copy_mount_options+0x23d/0x24d [ 2262.666321] [] SyS_mount+0xa3/0xda [ 2262.684474] [] mount_block_root+0x2fc/0x650 [ 2262.706082] [] ? init_rootfs+0x99/0x99 [ 2262.722401] [] ? security_file_ioctl+0xa5/0xb4 [ 2262.744807] [] ? SyS_mknod+0x2f/0x36 [ 2262.761719] [] mount_root+0x45/0x48 [ 2262.780961] [] prepare_namespace+0x1cf/0x235 [ 2262.800486] [] kernel_init_freeable+0x4fa/0x518 [ 2262.822876] [] kernel_init+0x16/0x181 [ 2262.838313] [] ret_from_fork+0x1f/0x40 [ 2262.856426] [] ? rest_init+0x8f/0x8f [ 2262.873617] ================================================================================ [ 2262.900727] ================================================================================ [ 2262.927854] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2416:14 [ 2262.959995] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2262.989930] which requires 64 byte alignment [ 2263.003157] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2263.021124] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2263.053058] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5d0 ffffffffb26ec5cc [ 2263.077984] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2263.099780] ffff880000000010 ffff88005c9df5f8 ffff88005c9df5a8 ffffffffb363c3e0 [ 2263.125514] Call Trace: [ 2263.134690] [] dump_stack+0xd7/0x132 [ 2263.153518] [] ? arch_local_irq_restore+0x1b/0x1b [ 2263.176272] [] ubsan_epilogue+0x12/0x53 [ 2263.193130] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2263.214991] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2263.235357] [] ext4_mb_add_groupinfo+0x197/0xa6a [ 2263.253672] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2263.272783] [] ? ext4_get_group_desc+0x353/0x365 [ 2263.292423] [] ext4_mb_init+0xfcd/0x1242 [ 2263.306487] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2263.323246] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2263.340113] [] ext4_fill_super+0x7dd7/0xa2df [ 2263.357038] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2263.378319] [] ? vsnprintf+0x1a0/0xa32 [ 2263.397591] [] ? pointer+0x7a9/0x7a9 [ 2263.414333] [] ? set_bdev_super+0x15d/0x15d [ 2263.433514] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2263.452823] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2263.472774] [] ? scnprintf+0xf3/0xf3 [ 2263.486773] [] mount_bdev+0x3cf/0x602 [ 2263.501231] [] ? mount_bdev+0x3cf/0x602 [ 2263.522907] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2263.543153] [] ext4_mount+0x3c/0x3e [ 2263.562164] [] mount_fs+0xd0/0x2ca [ 2263.578660] [] vfs_kern_mount+0xa0/0x20a [ 2263.593006] [] do_mount+0x11fe/0x19df [ 2263.609935] [] ? kasan_kmalloc+0x94/0xa3 [ 2263.625345] [] ? copy_mount_string+0x3d/0x3d [ 2263.642170] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2263.660301] [] ? __check_object_size+0x1e1/0x2b8 [ 2263.679349] [] ? 0xffffffffb1c002b8 [ 2263.694015] [] ? copy_mount_options+0x23d/0x24d [ 2263.712478] [] SyS_mount+0xa3/0xda [ 2263.726453] [] mount_block_root+0x2fc/0x650 [ 2263.742920] [] ? init_rootfs+0x99/0x99 [ 2263.758151] [] ? security_file_ioctl+0xa5/0xb4 [ 2263.775025] [] ? SyS_mknod+0x2f/0x36 [ 2263.791455] [] mount_root+0x45/0x48 [ 2263.804733] [] prepare_namespace+0x1cf/0x235 [ 2263.822681] [] kernel_init_freeable+0x4fa/0x518 [ 2263.843110] [] kernel_init+0x16/0x181 [ 2263.856239] [] ret_from_fork+0x1f/0x40 [ 2263.871925] [] ? rest_init+0x8f/0x8f [ 2263.885411] ================================================================================ [ 2263.912657] ================================================================================ [ 2263.938551] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2263.957782] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2263.983705] which requires 64 byte alignment [ 2263.996994] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2264.013343] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2264.040969] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5d0 ffffffffb26ec5cc [ 2264.063406] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2264.090937] ffff880000000010 ffff88005c9df5f8 ffff88005c9df5a8 ffffffffb363c3e0 [ 2264.111508] Call Trace: [ 2264.117151] [] dump_stack+0xd7/0x132 [ 2264.133448] [] ? arch_local_irq_restore+0x1b/0x1b [ 2264.152740] [] ubsan_epilogue+0x12/0x53 [ 2264.166850] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2264.189605] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2264.210929] [] ext4_mb_add_groupinfo+0x208/0xa6a [ 2264.230098] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2264.246592] [] ? ext4_get_group_desc+0x353/0x365 [ 2264.264569] [] ext4_mb_init+0xfcd/0x1242 [ 2264.281351] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2264.303945] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2264.322190] [] ext4_fill_super+0x7dd7/0xa2df [ 2264.338522] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2264.358823] [] ? vsnprintf+0x1a0/0xa32 [ 2264.378220] [] ? pointer+0x7a9/0x7a9 [ 2264.396648] [] ? set_bdev_super+0x15d/0x15d [ 2264.415507] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2264.432913] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2264.454485] [] ? scnprintf+0xf3/0xf3 [ 2264.470764] [] mount_bdev+0x3cf/0x602 [ 2264.486513] [] ? mount_bdev+0x3cf/0x602 [ 2264.504708] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2264.523660] [] ext4_mount+0x3c/0x3e [ 2264.537757] [] mount_fs+0xd0/0x2ca [ 2264.552301] [] vfs_kern_mount+0xa0/0x20a [ 2264.567353] [] do_mount+0x11fe/0x19df [ 2264.582351] [] ? kasan_kmalloc+0x94/0xa3 [ 2264.601807] [] ? copy_mount_string+0x3d/0x3d [ 2264.616951] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2264.633302] [] ? __check_object_size+0x1e1/0x2b8 [ 2264.649954] [] ? 0xffffffffb1c002b8 [ 2264.662198] [] ? copy_mount_options+0x23d/0x24d [ 2264.693611] [] SyS_mount+0xa3/0xda [ 2264.710233] [] mount_block_root+0x2fc/0x650 [ 2264.728688] [] ? init_rootfs+0x99/0x99 [ 2264.743843] [] ? security_file_ioctl+0xa5/0xb4 [ 2264.766575] [] ? SyS_mknod+0x2f/0x36 [ 2264.782646] [] mount_root+0x45/0x48 [ 2264.798029] [] prepare_namespace+0x1cf/0x235 [ 2264.816976] [] kernel_init_freeable+0x4fa/0x518 [ 2264.833609] [] kernel_init+0x16/0x181 [ 2264.849550] [] ret_from_fork+0x1f/0x40 [ 2264.867119] [] ? rest_init+0x8f/0x8f [ 2264.881441] ================================================================================ [ 2264.906389] ================================================================================ [ 2264.929315] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2418:4 [ 2264.948280] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2264.974389] which requires 64 byte alignment [ 2264.985021] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2265.001713] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2265.031028] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5d0 ffffffffb26ec5cc [ 2265.054478] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2265.081861] ffff880000000010 ffff88005c9df5f8 ffff88005c9df5a8 ffffffffb363c3e0 [ 2265.109892] Call Trace: [ 2265.116892] [] dump_stack+0xd7/0x132 [ 2265.133537] [] ? arch_local_irq_restore+0x1b/0x1b [ 2265.152602] [] ubsan_epilogue+0x12/0x53 [ 2265.170566] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2265.196110] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2265.220963] [] ext4_mb_add_groupinfo+0x235/0xa6a [ 2265.246142] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2265.271339] [] ? ext4_get_group_desc+0x353/0x365 [ 2265.291823] [] ext4_mb_init+0xfcd/0x1242 [ 2265.311245] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2265.332489] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2265.357384] [] ext4_fill_super+0x7dd7/0xa2df [ 2265.377065] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2265.399143] [] ? vsnprintf+0x1a0/0xa32 [ 2265.418058] [] ? pointer+0x7a9/0x7a9 [ 2265.434745] [] ? set_bdev_super+0x15d/0x15d [ 2265.455863] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2265.476585] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2265.502882] [] ? scnprintf+0xf3/0xf3 [ 2265.518987] [] mount_bdev+0x3cf/0x602 [ 2265.534249] [] ? mount_bdev+0x3cf/0x602 [ 2265.553807] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2265.574971] [] ext4_mount+0x3c/0x3e [ 2265.593034] [] mount_fs+0xd0/0x2ca [ 2265.611298] [] vfs_kern_mount+0xa0/0x20a [ 2265.627873] [] do_mount+0x11fe/0x19df [ 2265.643796] [] ? kasan_kmalloc+0x94/0xa3 [ 2265.661728] [] ? copy_mount_string+0x3d/0x3d [ 2265.682944] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2265.702478] [] ? __check_object_size+0x1e1/0x2b8 [ 2265.725377] [] ? 0xffffffffb1c002b8 [ 2265.741387] [] ? copy_mount_options+0x23d/0x24d [ 2265.763042] [] SyS_mount+0xa3/0xda [ 2265.780440] [] mount_block_root+0x2fc/0x650 [ 2265.801108] [] ? init_rootfs+0x99/0x99 [ 2265.820926] [] ? security_file_ioctl+0xa5/0xb4 [ 2265.843055] [] ? SyS_mknod+0x2f/0x36 [ 2265.861902] [] mount_root+0x45/0x48 [ 2265.879689] [] prepare_namespace+0x1cf/0x235 [ 2265.898176] [] kernel_init_freeable+0x4fa/0x518 [ 2265.919572] [] kernel_init+0x16/0x181 [ 2265.937901] [] ret_from_fork+0x1f/0x40 [ 2265.955834] [] ? rest_init+0x8f/0x8f [ 2265.973205] ================================================================================ [ 2266.004959] ================================================================================ [ 2266.034880] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2266.059226] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2266.090746] which requires 64 byte alignment [ 2266.101275] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2266.121378] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2266.153782] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5d0 ffffffffb26ec5cc [ 2266.179944] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2266.203596] ffff880000000010 ffff88005c9df5f8 ffff88005c9df5a8 ffffffffb363c3e0 [ 2266.227821] Call Trace: [ 2266.236535] [] dump_stack+0xd7/0x132 [ 2266.254564] [] ? arch_local_irq_restore+0x1b/0x1b [ 2266.274771] [] ubsan_epilogue+0x12/0x53 [ 2266.291214] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2266.313628] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2266.337078] [] ? __kmalloc+0x2c1/0x2e7 [ 2266.353320] [] ? ext4_mb_add_groupinfo+0x286/0xa6a [ 2266.377572] [] ext4_mb_add_groupinfo+0x2cc/0xa6a [ 2266.398918] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2266.423502] [] ? ext4_get_group_desc+0x353/0x365 [ 2266.448908] [] ext4_mb_init+0xfcd/0x1242 [ 2266.466969] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2266.489589] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2266.508441] [] ext4_fill_super+0x7dd7/0xa2df [ 2266.526269] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2266.544087] [] ? vsnprintf+0x1a0/0xa32 [ 2266.559557] [] ? pointer+0x7a9/0x7a9 [ 2266.574569] [] ? set_bdev_super+0x15d/0x15d [ 2266.591415] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2266.609000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2266.631667] [] ? scnprintf+0xf3/0xf3 [ 2266.646222] [] mount_bdev+0x3cf/0x602 [ 2266.661252] [] ? mount_bdev+0x3cf/0x602 [ 2266.676655] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2266.694802] [] ext4_mount+0x3c/0x3e [ 2266.709411] [] mount_fs+0xd0/0x2ca [ 2266.723471] [] vfs_kern_mount+0xa0/0x20a [ 2266.738322] [] do_mount+0x11fe/0x19df [ 2266.754938] [] ? kasan_kmalloc+0x94/0xa3 [ 2266.773440] [] ? copy_mount_string+0x3d/0x3d [ 2266.790596] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2266.808466] [] ? __check_object_size+0x1e1/0x2b8 [ 2266.825884] [] ? 0xffffffffb1c002b8 [ 2266.841708] [] ? copy_mount_options+0x23d/0x24d [ 2266.858741] [] SyS_mount+0xa3/0xda [ 2266.873625] [] mount_block_root+0x2fc/0x650 [ 2266.888299] [] ? init_rootfs+0x99/0x99 [ 2266.903302] [] ? security_file_ioctl+0xa5/0xb4 [ 2266.918706] [] ? SyS_mknod+0x2f/0x36 [ 2266.936189] [] mount_root+0x45/0x48 [ 2266.958268] [] prepare_namespace+0x1cf/0x235 [ 2266.979133] [] kernel_init_freeable+0x4fa/0x518 [ 2266.996409] [] kernel_init+0x16/0x181 [ 2267.012272] [] ret_from_fork+0x1f/0x40 [ 2267.028320] [] ? rest_init+0x8f/0x8f [ 2267.040613] ================================================================================ [ 2267.069370] ================================================================================ [ 2267.092585] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2425:30 [ 2267.111113] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2267.134633] which requires 64 byte alignment [ 2267.145975] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2267.160156] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2267.188868] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5d0 ffffffffb26ec5cc [ 2267.212937] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2267.234617] ffff880000000010 ffff88005c9df5f8 ffff88005c9df5a8 ffffffffb363c3e0 [ 2267.253445] Call Trace: [ 2267.260876] [] dump_stack+0xd7/0x132 [ 2267.278239] [] ? arch_local_irq_restore+0x1b/0x1b [ 2267.298500] [] ubsan_epilogue+0x12/0x53 [ 2267.314784] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2267.336685] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2267.358987] [] ? __kmalloc+0x2c1/0x2e7 [ 2267.376342] [] ? ext4_mb_add_groupinfo+0x286/0xa6a [ 2267.400032] [] ext4_mb_add_groupinfo+0x2f9/0xa6a [ 2267.417776] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2267.443001] [] ? ext4_get_group_desc+0x353/0x365 [ 2267.466133] [] ext4_mb_init+0xfcd/0x1242 [ 2267.487060] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2267.515704] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2267.535758] [] ext4_fill_super+0x7dd7/0xa2df [ 2267.556886] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2267.578850] [] ? vsnprintf+0x1a0/0xa32 [ 2267.596143] [] ? pointer+0x7a9/0x7a9 [ 2267.615074] [] ? set_bdev_super+0x15d/0x15d [ 2267.633357] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2267.655827] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2267.679676] [] ? scnprintf+0xf3/0xf3 [ 2267.697797] [] mount_bdev+0x3cf/0x602 [ 2267.714993] [] ? mount_bdev+0x3cf/0x602 [ 2267.732642] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2267.750891] [] ext4_mount+0x3c/0x3e [ 2267.768280] [] mount_fs+0xd0/0x2ca [ 2267.782135] [] vfs_kern_mount+0xa0/0x20a [ 2267.797959] [] do_mount+0x11fe/0x19df [ 2267.815448] [] ? kasan_kmalloc+0x94/0xa3 [ 2267.834448] [] ? copy_mount_string+0x3d/0x3d [ 2267.854556] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2267.875638] [] ? __check_object_size+0x1e1/0x2b8 [ 2267.895237] [] ? 0xffffffffb1c002b8 [ 2267.913159] [] ? copy_mount_options+0x23d/0x24d [ 2267.934045] [] SyS_mount+0xa3/0xda [ 2267.952452] [] mount_block_root+0x2fc/0x650 [ 2267.968039] [] ? init_rootfs+0x99/0x99 [ 2267.982862] [] ? security_file_ioctl+0xa5/0xb4 [ 2268.002813] [] ? SyS_mknod+0x2f/0x36 [ 2268.018596] [] mount_root+0x45/0x48 [ 2268.033767] [] prepare_namespace+0x1cf/0x235 [ 2268.051642] [] kernel_init_freeable+0x4fa/0x518 [ 2268.070530] [] kernel_init+0x16/0x181 [ 2268.091086] [] ret_from_fork+0x1f/0x40 [ 2268.106513] [] ? rest_init+0x8f/0x8f [ 2268.123383] ================================================================================ [ 2268.154197] ================================================================================ [ 2268.181448] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2425:6 [ 2268.208816] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2268.237559] which requires 64 byte alignment [ 2268.254095] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2268.273441] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2268.304431] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5d0 ffffffffb26ec5cc [ 2268.331496] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2268.367020] ffff880000000010 ffff88005c9df5f8 ffff88005c9df5a8 ffffffffb363c3e0 [ 2268.399939] Call Trace: [ 2268.410653] [] dump_stack+0xd7/0x132 [ 2268.435280] [] ? arch_local_irq_restore+0x1b/0x1b [ 2268.462393] [] ubsan_epilogue+0x12/0x53 [ 2268.484770] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2268.517119] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2268.543851] [] ? __kmalloc+0x2c1/0x2e7 [ 2268.562137] [] ? ext4_mb_add_groupinfo+0x286/0xa6a [ 2268.583426] [] ext4_mb_add_groupinfo+0x34c/0xa6a [ 2268.605012] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2268.628207] [] ? ext4_get_group_desc+0x353/0x365 [ 2268.648510] [] ext4_mb_init+0xfcd/0x1242 [ 2268.666603] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2268.693510] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2268.715841] [] ext4_fill_super+0x7dd7/0xa2df [ 2268.734371] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2268.757600] [] ? vsnprintf+0x1a0/0xa32 [ 2268.781291] [] ? pointer+0x7a9/0x7a9 [ 2268.800496] [] ? set_bdev_super+0x15d/0x15d [ 2268.820576] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2268.843949] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2268.865472] [] ? scnprintf+0xf3/0xf3 [ 2268.883615] [] mount_bdev+0x3cf/0x602 [ 2268.900812] [] ? mount_bdev+0x3cf/0x602 [ 2268.920568] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2268.941368] [] ext4_mount+0x3c/0x3e [ 2268.956919] [] mount_fs+0xd0/0x2ca [ 2268.972830] [] vfs_kern_mount+0xa0/0x20a [ 2268.990429] [] do_mount+0x11fe/0x19df [ 2269.007974] [] ? kasan_kmalloc+0x94/0xa3 [ 2269.026921] [] ? copy_mount_string+0x3d/0x3d [ 2269.048653] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2269.065896] [] ? __check_object_size+0x1e1/0x2b8 [ 2269.085889] [] ? 0xffffffffb1c002b8 [ 2269.101927] [] ? copy_mount_options+0x23d/0x24d [ 2269.121912] [] SyS_mount+0xa3/0xda [ 2269.139993] [] mount_block_root+0x2fc/0x650 [ 2269.156453] [] ? init_rootfs+0x99/0x99 [ 2269.174547] [] ? security_file_ioctl+0xa5/0xb4 [ 2269.193345] [] ? SyS_mknod+0x2f/0x36 [ 2269.210761] [] mount_root+0x45/0x48 [ 2269.224907] [] prepare_namespace+0x1cf/0x235 [ 2269.243918] [] kernel_init_freeable+0x4fa/0x518 [ 2269.262473] [] kernel_init+0x16/0x181 [ 2269.278417] [] ret_from_fork+0x1f/0x40 [ 2269.294695] [] ? rest_init+0x8f/0x8f [ 2269.308363] ================================================================================ [ 2269.336927] ================================================================================ [ 2269.364218] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2269.382477] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2269.411956] which requires 64 byte alignment [ 2269.425868] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2269.446925] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2269.481018] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5d0 ffffffffb26ec5cc [ 2269.511223] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2269.536333] ffff880000000010 ffff88005c9df5f8 ffff88005c9df5a8 ffffffffb363c3e0 [ 2269.562092] Call Trace: [ 2269.573881] [] dump_stack+0xd7/0x132 [ 2269.591536] [] ? arch_local_irq_restore+0x1b/0x1b [ 2269.610726] [] ubsan_epilogue+0x12/0x53 [ 2269.628175] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2269.649434] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2269.672802] [] ? __kmalloc+0x2c1/0x2e7 [ 2269.688937] [] ? ext4_mb_add_groupinfo+0x286/0xa6a [ 2269.708259] [] ext4_mb_add_groupinfo+0x3b1/0xa6a [ 2269.727133] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2269.748324] [] ? ext4_get_group_desc+0x353/0x365 [ 2269.768183] [] ext4_mb_init+0xfcd/0x1242 [ 2269.790365] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2269.810747] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2269.833251] [] ext4_fill_super+0x7dd7/0xa2df [ 2269.852251] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2269.874707] [] ? vsnprintf+0x1a0/0xa32 [ 2269.894742] [] ? pointer+0x7a9/0x7a9 [ 2269.911423] [] ? set_bdev_super+0x15d/0x15d [ 2269.932545] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2269.955459] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2269.981248] [] ? scnprintf+0xf3/0xf3 [ 2269.999903] [] mount_bdev+0x3cf/0x602 [ 2270.014823] [] ? mount_bdev+0x3cf/0x602 [ 2270.032643] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2270.054522] [] ext4_mount+0x3c/0x3e [ 2270.068931] [] mount_fs+0xd0/0x2ca [ 2270.084619] [] vfs_kern_mount+0xa0/0x20a [ 2270.103446] [] do_mount+0x11fe/0x19df [ 2270.123538] [] ? kasan_kmalloc+0x94/0xa3 [ 2270.141607] [] ? copy_mount_string+0x3d/0x3d [ 2270.160608] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2270.183502] [] ? __check_object_size+0x1e1/0x2b8 [ 2270.204376] [] ? 0xffffffffb1c002b8 [ 2270.221598] [] ? copy_mount_options+0x23d/0x24d [ 2270.241780] [] SyS_mount+0xa3/0xda [ 2270.257989] [] mount_block_root+0x2fc/0x650 [ 2270.279925] [] ? init_rootfs+0x99/0x99 [ 2270.299782] [] ? security_file_ioctl+0xa5/0xb4 [ 2270.321168] [] ? SyS_mknod+0x2f/0x36 [ 2270.337837] [] mount_root+0x45/0x48 [ 2270.355557] [] prepare_namespace+0x1cf/0x235 [ 2270.375583] [] kernel_init_freeable+0x4fa/0x518 [ 2270.397053] [] kernel_init+0x16/0x181 [ 2270.413929] [] ret_from_fork+0x1f/0x40 [ 2270.433519] [] ? rest_init+0x8f/0x8f [ 2270.452056] ================================================================================ [ 2270.477277] ================================================================================ [ 2270.502881] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2430:30 [ 2270.524954] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2270.555124] which requires 64 byte alignment [ 2270.571818] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2270.591712] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2270.620399] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5d0 ffffffffb26ec5cc [ 2270.644559] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2270.672447] ffff880000000010 ffff88005c9df5f8 ffff88005c9df5a8 ffffffffb363c3e0 [ 2270.694353] Call Trace: [ 2270.701372] [] dump_stack+0xd7/0x132 [ 2270.721108] [] ? arch_local_irq_restore+0x1b/0x1b [ 2270.743928] [] ubsan_epilogue+0x12/0x53 [ 2270.761958] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2270.782510] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2270.805125] [] ? __kmalloc+0x2c1/0x2e7 [ 2270.822730] [] ? ext4_mb_add_groupinfo+0x286/0xa6a [ 2270.842147] [] ext4_mb_add_groupinfo+0x3de/0xa6a [ 2270.861356] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2270.880965] [] ? ext4_get_group_desc+0x353/0x365 [ 2270.899752] [] ext4_mb_init+0xfcd/0x1242 [ 2270.919387] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2270.937069] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2270.959140] [] ext4_fill_super+0x7dd7/0xa2df [ 2270.979082] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2271.002135] [] ? vsnprintf+0x1a0/0xa32 [ 2271.021347] [] ? pointer+0x7a9/0x7a9 [ 2271.038150] [] ? set_bdev_super+0x15d/0x15d [ 2271.060743] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2271.083364] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2271.109394] [] ? scnprintf+0xf3/0xf3 [ 2271.124630] [] mount_bdev+0x3cf/0x602 [ 2271.142247] [] ? mount_bdev+0x3cf/0x602 [ 2271.156774] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2271.175888] [] ext4_mount+0x3c/0x3e [ 2271.190985] [] mount_fs+0xd0/0x2ca [ 2271.205324] [] vfs_kern_mount+0xa0/0x20a [ 2271.219759] [] do_mount+0x11fe/0x19df [ 2271.234557] [] ? kasan_kmalloc+0x94/0xa3 [ 2271.251285] [] ? copy_mount_string+0x3d/0x3d [ 2271.267397] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2271.290466] [] ? __check_object_size+0x1e1/0x2b8 [ 2271.305810] [] ? 0xffffffffb1c002b8 [ 2271.321796] [] ? copy_mount_options+0x23d/0x24d [ 2271.339803] [] SyS_mount+0xa3/0xda [ 2271.353191] [] mount_block_root+0x2fc/0x650 [ 2271.370760] [] ? init_rootfs+0x99/0x99 [ 2271.384225] [] ? security_file_ioctl+0xa5/0xb4 [ 2271.401868] [] ? SyS_mknod+0x2f/0x36 [ 2271.418520] [] mount_root+0x45/0x48 [ 2271.432625] [] prepare_namespace+0x1cf/0x235 [ 2271.451561] [] kernel_init_freeable+0x4fa/0x518 [ 2271.467367] [] kernel_init+0x16/0x181 [ 2271.480482] [] ret_from_fork+0x1f/0x40 [ 2271.497925] [] ? rest_init+0x8f/0x8f [ 2271.512022] ================================================================================ [ 2271.534846] ================================================================================ [ 2271.558172] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2430:6 [ 2271.576791] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2271.608339] which requires 64 byte alignment [ 2271.620894] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2271.637179] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2271.662814] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5d0 ffffffffb26ec5cc [ 2271.683067] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2271.709635] ffff880000000010 ffff88005c9df5f8 ffff88005c9df5a8 ffffffffb363c3e0 [ 2271.733299] Call Trace: [ 2271.739798] [] dump_stack+0xd7/0x132 [ 2271.754735] [] ? arch_local_irq_restore+0x1b/0x1b [ 2271.772596] [] ubsan_epilogue+0x12/0x53 [ 2271.787962] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2271.806572] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2271.829730] [] ? __kmalloc+0x2c1/0x2e7 [ 2271.865673] [] ? ext4_mb_add_groupinfo+0x286/0xa6a [ 2271.881753] [] ext4_mb_add_groupinfo+0x433/0xa6a [ 2271.902614] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2271.922046] [] ? ext4_get_group_desc+0x353/0x365 [ 2271.941949] [] ext4_mb_init+0xfcd/0x1242 [ 2271.960000] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2271.979899] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2271.999306] [] ext4_fill_super+0x7dd7/0xa2df [ 2272.023745] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2272.047121] [] ? vsnprintf+0x1a0/0xa32 [ 2272.061865] [] ? pointer+0x7a9/0x7a9 [ 2272.078256] [] ? set_bdev_super+0x15d/0x15d [ 2272.102370] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2272.124131] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2272.145880] [] ? scnprintf+0xf3/0xf3 [ 2272.158206] [] mount_bdev+0x3cf/0x602 [ 2272.174776] [] ? mount_bdev+0x3cf/0x602 [ 2272.190680] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2272.210609] [] ext4_mount+0x3c/0x3e [ 2272.227283] [] mount_fs+0xd0/0x2ca [ 2272.249420] [] vfs_kern_mount+0xa0/0x20a [ 2272.264329] [] do_mount+0x11fe/0x19df [ 2272.282273] [] ? kasan_kmalloc+0x94/0xa3 [ 2272.297859] [] ? copy_mount_string+0x3d/0x3d [ 2272.316705] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2272.335861] [] ? __check_object_size+0x1e1/0x2b8 [ 2272.355555] [] ? 0xffffffffb1c002b8 [ 2272.370708] [] ? copy_mount_options+0x23d/0x24d [ 2272.393724] [] SyS_mount+0xa3/0xda [ 2272.405735] [] mount_block_root+0x2fc/0x650 [ 2272.423496] [] ? init_rootfs+0x99/0x99 [ 2272.442189] [] ? security_file_ioctl+0xa5/0xb4 [ 2272.460827] [] ? SyS_mknod+0x2f/0x36 [ 2272.477841] [] mount_root+0x45/0x48 [ 2272.496753] [] prepare_namespace+0x1cf/0x235 [ 2272.517476] [] kernel_init_freeable+0x4fa/0x518 [ 2272.536560] [] kernel_init+0x16/0x181 [ 2272.553604] [] ret_from_fork+0x1f/0x40 [ 2272.569935] [] ? rest_init+0x8f/0x8f [ 2272.584062] ================================================================================ [ 2272.611438] ================================================================================ [ 2272.637987] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2272.656619] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2272.685733] which requires 64 byte alignment [ 2272.700127] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2272.719692] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2272.748703] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5d0 ffffffffb26ec5cc [ 2272.771161] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2272.792951] ffff880000000010 ffff88005c9df5f8 ffff88005c9df5a8 ffffffffb363c3e0 [ 2272.817019] Call Trace: [ 2272.824347] [] dump_stack+0xd7/0x132 [ 2272.839537] [] ? arch_local_irq_restore+0x1b/0x1b [ 2272.859485] [] ubsan_epilogue+0x12/0x53 [ 2272.874739] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2272.895374] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2272.918734] [] ? __kmalloc+0x2c1/0x2e7 [ 2272.935119] [] ? ext4_mb_add_groupinfo+0x286/0xa6a [ 2272.954961] [] ext4_mb_add_groupinfo+0x49e/0xa6a [ 2272.974007] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2272.995889] [] ? ext4_get_group_desc+0x353/0x365 [ 2273.011036] [] ext4_mb_init+0xfcd/0x1242 [ 2273.027414] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2273.046288] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2273.066289] [] ext4_fill_super+0x7dd7/0xa2df [ 2273.081821] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2273.102977] [] ? vsnprintf+0x1a0/0xa32 [ 2273.118732] [] ? pointer+0x7a9/0x7a9 [ 2273.133777] [] ? set_bdev_super+0x15d/0x15d [ 2273.149393] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2273.168029] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2273.187382] [] ? scnprintf+0xf3/0xf3 [ 2273.202819] [] mount_bdev+0x3cf/0x602 [ 2273.221919] [] ? mount_bdev+0x3cf/0x602 [ 2273.236306] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2273.254763] [] ext4_mount+0x3c/0x3e [ 2273.271685] [] mount_fs+0xd0/0x2ca [ 2273.286468] [] vfs_kern_mount+0xa0/0x20a [ 2273.302207] [] do_mount+0x11fe/0x19df [ 2273.315603] [] ? kasan_kmalloc+0x94/0xa3 [ 2273.336370] [] ? copy_mount_string+0x3d/0x3d [ 2273.355312] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2273.375621] [] ? __check_object_size+0x1e1/0x2b8 [ 2273.395645] [] ? 0xffffffffb1c002b8 [ 2273.411914] [] ? copy_mount_options+0x23d/0x24d [ 2273.428932] [] SyS_mount+0xa3/0xda [ 2273.443740] [] mount_block_root+0x2fc/0x650 [ 2273.462704] [] ? init_rootfs+0x99/0x99 [ 2273.481098] [] ? security_file_ioctl+0xa5/0xb4 [ 2273.498781] [] ? SyS_mknod+0x2f/0x36 [ 2273.515471] [] mount_root+0x45/0x48 [ 2273.528610] [] prepare_namespace+0x1cf/0x235 [ 2273.547229] [] kernel_init_freeable+0x4fa/0x518 [ 2273.565076] [] kernel_init+0x16/0x181 [ 2273.578144] [] ret_from_fork+0x1f/0x40 [ 2273.599071] [] ? rest_init+0x8f/0x8f [ 2273.615206] ================================================================================ [ 2273.640741] ================================================================================ [ 2273.661252] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2431:15 [ 2273.678260] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2273.707731] which requires 64 byte alignment [ 2273.720117] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2273.738631] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2273.765436] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5d0 ffffffffb26ec5cc [ 2273.788472] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2273.812760] ffff880000000010 ffff88005c9df5f8 ffff88005c9df5a8 ffffffffb363c3e0 [ 2273.836111] Call Trace: [ 2273.841952] [] dump_stack+0xd7/0x132 [ 2273.858879] [] ? arch_local_irq_restore+0x1b/0x1b [ 2273.877708] [] ubsan_epilogue+0x12/0x53 [ 2273.893597] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2273.914898] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2273.933060] [] ? __kmalloc+0x2c1/0x2e7 [ 2273.950469] [] ? ext4_mb_add_groupinfo+0x286/0xa6a [ 2273.970645] [] ext4_mb_add_groupinfo+0x4cb/0xa6a [ 2273.989911] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2274.008385] [] ? ext4_get_group_desc+0x353/0x365 [ 2274.027963] [] ext4_mb_init+0xfcd/0x1242 [ 2274.045248] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2274.063197] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2274.081932] [] ext4_fill_super+0x7dd7/0xa2df [ 2274.098338] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2274.119199] [] ? vsnprintf+0x1a0/0xa32 [ 2274.135680] [] ? pointer+0x7a9/0x7a9 [ 2274.152952] [] ? set_bdev_super+0x15d/0x15d [ 2274.167538] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2274.187687] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2274.209966] [] ? scnprintf+0xf3/0xf3 [ 2274.224098] [] mount_bdev+0x3cf/0x602 [ 2274.239849] [] ? mount_bdev+0x3cf/0x602 [ 2274.255658] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2274.275547] [] ext4_mount+0x3c/0x3e [ 2274.290098] [] mount_fs+0xd0/0x2ca [ 2274.304091] [] vfs_kern_mount+0xa0/0x20a [ 2274.319872] [] do_mount+0x11fe/0x19df [ 2274.337854] [] ? kasan_kmalloc+0x94/0xa3 [ 2274.353646] [] ? copy_mount_string+0x3d/0x3d [ 2274.369947] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2274.392734] [] ? __check_object_size+0x1e1/0x2b8 [ 2274.415043] [] ? 0xffffffffb1c002b8 [ 2274.430814] [] ? copy_mount_options+0x23d/0x24d [ 2274.454216] [] SyS_mount+0xa3/0xda [ 2274.468601] [] mount_block_root+0x2fc/0x650 [ 2274.484072] [] ? init_rootfs+0x99/0x99 [ 2274.501925] [] ? security_file_ioctl+0xa5/0xb4 [ 2274.518440] [] ? SyS_mknod+0x2f/0x36 [ 2274.536000] [] mount_root+0x45/0x48 [ 2274.556200] [] prepare_namespace+0x1cf/0x235 [ 2274.574694] [] kernel_init_freeable+0x4fa/0x518 [ 2274.594068] [] kernel_init+0x16/0x181 [ 2274.611162] [] ret_from_fork+0x1f/0x40 [ 2274.625340] [] ? rest_init+0x8f/0x8f [ 2274.641583] ================================================================================ [ 2274.674737] ================================================================================ [ 2274.699094] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2274.717743] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2274.743291] which requires 64 byte alignment [ 2274.756400] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2274.774916] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2274.804657] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5a0 ffffffffb26ec5cc [ 2274.824776] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2274.848499] 0000000000000010 ffff88005c9df5c8 ffff88005c9df578 ffffffffb363c3e0 [ 2274.870837] Call Trace: [ 2274.876560] [] dump_stack+0xd7/0x132 [ 2274.893916] [] ? arch_local_irq_restore+0x1b/0x1b [ 2274.913495] [] ubsan_epilogue+0x12/0x53 [ 2274.931282] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2274.953133] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2274.973913] [] ? kmem_cache_alloc+0x20f/0x33f [ 2274.994529] [] ext4_free_group_clusters+0x5c/0xe1 [ 2275.012401] [] ext4_mb_add_groupinfo+0x6b6/0xa6a [ 2275.029756] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2275.050620] [] ? ext4_get_group_desc+0x353/0x365 [ 2275.068436] [] ext4_mb_init+0xfcd/0x1242 [ 2275.084636] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2275.101895] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2275.123580] [] ext4_fill_super+0x7dd7/0xa2df [ 2275.143236] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2275.161228] [] ? vsnprintf+0x1a0/0xa32 [ 2275.178418] [] ? pointer+0x7a9/0x7a9 [ 2275.197126] [] ? set_bdev_super+0x15d/0x15d [ 2275.215074] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2275.238995] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2275.261349] [] ? scnprintf+0xf3/0xf3 [ 2275.276515] [] mount_bdev+0x3cf/0x602 [ 2275.293474] [] ? mount_bdev+0x3cf/0x602 [ 2275.310501] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2275.329370] [] ext4_mount+0x3c/0x3e [ 2275.345431] [] mount_fs+0xd0/0x2ca [ 2275.360288] [] vfs_kern_mount+0xa0/0x20a [ 2275.375846] [] do_mount+0x11fe/0x19df [ 2275.391923] [] ? kasan_kmalloc+0x94/0xa3 [ 2275.407357] [] ? copy_mount_string+0x3d/0x3d [ 2275.426385] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2275.445259] [] ? __check_object_size+0x1e1/0x2b8 [ 2275.461136] [] ? 0xffffffffb1c002b8 [ 2275.479658] [] ? copy_mount_options+0x23d/0x24d [ 2275.498127] [] SyS_mount+0xa3/0xda [ 2275.514665] [] mount_block_root+0x2fc/0x650 [ 2275.532464] [] ? init_rootfs+0x99/0x99 [ 2275.549663] [] ? security_file_ioctl+0xa5/0xb4 [ 2275.567028] [] ? SyS_mknod+0x2f/0x36 [ 2275.581165] [] mount_root+0x45/0x48 [ 2275.597135] [] prepare_namespace+0x1cf/0x235 [ 2275.612448] [] kernel_init_freeable+0x4fa/0x518 [ 2275.630270] [] kernel_init+0x16/0x181 [ 2275.645161] [] ret_from_fork+0x1f/0x40 [ 2275.660053] [] ? rest_init+0x8f/0x8f [ 2275.674603] ================================================================================ [ 2275.701548] ================================================================================ [ 2275.728318] UBSAN: Undefined behaviour in fs/ext4/super.c:232:4 [ 2275.745134] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2275.772381] which requires 64 byte alignment [ 2275.782726] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2275.801036] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2275.824660] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5a0 ffffffffb26ec5cc [ 2275.844723] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2275.871706] ffff880000000010 ffff88005c9df5c8 ffff88005c9df578 ffffffffb363c3e0 [ 2275.893455] Call Trace: [ 2275.899030] [] dump_stack+0xd7/0x132 [ 2275.917831] [] ? arch_local_irq_restore+0x1b/0x1b [ 2275.937526] [] ubsan_epilogue+0x12/0x53 [ 2275.955840] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2275.976489] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2275.999075] [] ? kmem_cache_alloc+0x20f/0x33f [ 2276.019662] [] ext4_free_group_clusters+0x8b/0xe1 [ 2276.037556] [] ext4_mb_add_groupinfo+0x6b6/0xa6a [ 2276.057581] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2276.077718] [] ? ext4_get_group_desc+0x353/0x365 [ 2276.095933] [] ext4_mb_init+0xfcd/0x1242 [ 2276.112826] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2276.132830] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2276.152814] [] ext4_fill_super+0x7dd7/0xa2df [ 2276.169317] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2276.187705] [] ? vsnprintf+0x1a0/0xa32 [ 2276.204267] [] ? pointer+0x7a9/0x7a9 [ 2276.219159] [] ? set_bdev_super+0x15d/0x15d [ 2276.236710] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2276.257478] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2276.277847] [] ? scnprintf+0xf3/0xf3 [ 2276.295891] [] mount_bdev+0x3cf/0x602 [ 2276.313092] [] ? mount_bdev+0x3cf/0x602 [ 2276.328842] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2276.348158] [] ext4_mount+0x3c/0x3e [ 2276.366476] [] mount_fs+0xd0/0x2ca [ 2276.380724] [] vfs_kern_mount+0xa0/0x20a [ 2276.403393] [] do_mount+0x11fe/0x19df [ 2276.418817] [] ? kasan_kmalloc+0x94/0xa3 [ 2276.437134] [] ? copy_mount_string+0x3d/0x3d [ 2276.454549] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2276.475295] [] ? __check_object_size+0x1e1/0x2b8 [ 2276.494214] [] ? 0xffffffffb1c002b8 [ 2276.511924] [] ? copy_mount_options+0x23d/0x24d [ 2276.532134] [] SyS_mount+0xa3/0xda [ 2276.546744] [] mount_block_root+0x2fc/0x650 [ 2276.563085] [] ? init_rootfs+0x99/0x99 [ 2276.578633] [] ? security_file_ioctl+0xa5/0xb4 [ 2276.598212] [] ? SyS_mknod+0x2f/0x36 [ 2276.615484] [] mount_root+0x45/0x48 [ 2276.634124] [] prepare_namespace+0x1cf/0x235 [ 2276.652657] [] kernel_init_freeable+0x4fa/0x518 [ 2276.670841] [] kernel_init+0x16/0x181 [ 2276.684869] [] ret_from_fork+0x1f/0x40 [ 2276.702561] [] ? rest_init+0x8f/0x8f [ 2276.721482] ================================================================================ [ 2276.744704] ================================================================================ [ 2276.769562] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2276.784527] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2276.810034] which requires 64 byte alignment [ 2276.823464] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2276.840429] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2276.872530] 00000000ffffffff 00000000b1a89c60 ffff88005c9df528 ffffffffb26ec5cc [ 2276.893688] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2276.918121] ffffe8ff00000010 ffff88005c9df550 ffff88005c9df500 ffffffffb363c3e0 [ 2276.941439] Call Trace: [ 2276.949905] [] dump_stack+0xd7/0x132 [ 2276.963628] [] ? arch_local_irq_restore+0x1b/0x1b [ 2276.981314] [] ubsan_epilogue+0x12/0x53 [ 2276.997812] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2277.020512] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2277.042433] [] ? kasan_kmalloc+0x94/0xa3 [ 2277.062390] [] num_clusters_in_group+0x36/0x254 [ 2277.081047] [] ext4_free_clusters_after_init+0x30/0x36b [ 2277.101579] [] ? ext4_mb_add_groupinfo+0x4f9/0xa6a [ 2277.123302] [] ? ext4_mb_add_groupinfo+0x4f9/0xa6a [ 2277.143991] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2277.164619] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2277.182620] [] ? ext4_get_group_desc+0x353/0x365 [ 2277.202876] [] ext4_mb_init+0xfcd/0x1242 [ 2277.220686] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2277.240313] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2277.256715] [] ext4_fill_super+0x7dd7/0xa2df [ 2277.275151] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2277.294917] [] ? vsnprintf+0x1a0/0xa32 [ 2277.311508] [] ? pointer+0x7a9/0x7a9 [ 2277.326418] [] ? set_bdev_super+0x15d/0x15d [ 2277.344294] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2277.364553] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2277.385627] [] ? scnprintf+0xf3/0xf3 [ 2277.402092] [] mount_bdev+0x3cf/0x602 [ 2277.417063] [] ? mount_bdev+0x3cf/0x602 [ 2277.433275] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2277.453074] [] ext4_mount+0x3c/0x3e [ 2277.465835] [] mount_fs+0xd0/0x2ca [ 2277.482978] [] vfs_kern_mount+0xa0/0x20a [ 2277.501183] [] do_mount+0x11fe/0x19df [ 2277.517558] [] ? kasan_kmalloc+0x94/0xa3 [ 2277.537163] [] ? copy_mount_string+0x3d/0x3d [ 2277.553623] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2277.574517] [] ? __check_object_size+0x1e1/0x2b8 [ 2277.592861] [] ? 0xffffffffb1c002b8 [ 2277.607498] [] ? copy_mount_options+0x23d/0x24d [ 2277.625976] [] SyS_mount+0xa3/0xda [ 2277.643004] [] mount_block_root+0x2fc/0x650 [ 2277.660210] [] ? init_rootfs+0x99/0x99 [ 2277.675929] [] ? security_file_ioctl+0xa5/0xb4 [ 2277.694971] [] ? SyS_mknod+0x2f/0x36 [ 2277.710163] [] mount_root+0x45/0x48 [ 2277.725329] [] prepare_namespace+0x1cf/0x235 [ 2277.744297] [] kernel_init_freeable+0x4fa/0x518 [ 2277.762063] [] kernel_init+0x16/0x181 [ 2277.777624] [] ret_from_fork+0x1f/0x40 [ 2277.796783] [] ? rest_init+0x8f/0x8f [ 2277.814270] ================================================================================ [ 2277.840018] ================================================================================ [ 2277.862669] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2827:15 [ 2277.883091] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2277.909887] which requires 64 byte alignment [ 2277.922315] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2277.939979] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2277.968500] 00000000ffffffff 00000000b1a89c60 ffff88005c9df528 ffffffffb26ec5cc [ 2277.989996] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2278.011332] ffffffff00000010 ffff88005c9df550 ffff88005c9df500 ffffffffb363c3e0 [ 2278.032656] Call Trace: [ 2278.041153] [] dump_stack+0xd7/0x132 [ 2278.055714] [] ? arch_local_irq_restore+0x1b/0x1b [ 2278.075750] [] ubsan_epilogue+0x12/0x53 [ 2278.094107] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2278.114975] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2278.139518] [] ? kasan_kmalloc+0x94/0xa3 [ 2278.153045] [] num_clusters_in_group+0x66/0x254 [ 2278.170780] [] ext4_free_clusters_after_init+0x30/0x36b [ 2278.189685] [] ? ext4_mb_add_groupinfo+0x4f9/0xa6a [ 2278.211607] [] ? ext4_mb_add_groupinfo+0x4f9/0xa6a [ 2278.231483] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2278.249040] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2278.265000] [] ? ext4_get_group_desc+0x353/0x365 [ 2278.283077] [] ext4_mb_init+0xfcd/0x1242 [ 2278.299024] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2278.318499] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2278.339142] [] ext4_fill_super+0x7dd7/0xa2df [ 2278.356242] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2278.377389] [] ? vsnprintf+0x1a0/0xa32 [ 2278.395194] [] ? pointer+0x7a9/0x7a9 [ 2278.411847] [] ? set_bdev_super+0x15d/0x15d [ 2278.427097] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2278.450131] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2278.471669] [] ? scnprintf+0xf3/0xf3 [ 2278.484868] [] mount_bdev+0x3cf/0x602 [ 2278.499739] [] ? mount_bdev+0x3cf/0x602 [ 2278.516302] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2278.535436] [] ext4_mount+0x3c/0x3e [ 2278.551816] [] mount_fs+0xd0/0x2ca [ 2278.566305] [] vfs_kern_mount+0xa0/0x20a [ 2278.580028] [] do_mount+0x11fe/0x19df [ 2278.597941] [] ? kasan_kmalloc+0x94/0xa3 [ 2278.615945] [] ? copy_mount_string+0x3d/0x3d [ 2278.634443] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2278.652099] [] ? __check_object_size+0x1e1/0x2b8 [ 2278.669087] [] ? 0xffffffffb1c002b8 [ 2278.681503] [] ? copy_mount_options+0x23d/0x24d [ 2278.701955] [] SyS_mount+0xa3/0xda [ 2278.719090] [] mount_block_root+0x2fc/0x650 [ 2278.734816] [] ? init_rootfs+0x99/0x99 [ 2278.751304] [] ? security_file_ioctl+0xa5/0xb4 [ 2278.767528] [] ? SyS_mknod+0x2f/0x36 [ 2278.781362] [] mount_root+0x45/0x48 [ 2278.799480] [] prepare_namespace+0x1cf/0x235 [ 2278.816128] [] kernel_init_freeable+0x4fa/0x518 [ 2278.836577] [] kernel_init+0x16/0x181 [ 2278.851507] [] ret_from_fork+0x1f/0x40 [ 2278.866256] [] ? rest_init+0x8f/0x8f [ 2278.878555] ================================================================================ [ 2278.904692] ================================================================================ [ 2278.931752] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2278.950114] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2278.974693] which requires 64 byte alignment [ 2278.986248] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2279.006264] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2279.034391] 00000000ffffffff 00000000b1a89c60 ffff88005c9df528 ffffffffb26ec5cc [ 2279.055295] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2279.078220] ffffffff00000010 ffff88005c9df550 ffff88005c9df500 ffffffffb363c3e0 [ 2279.101359] Call Trace: [ 2279.111070] [] dump_stack+0xd7/0x132 [ 2279.127506] [] ? arch_local_irq_restore+0x1b/0x1b [ 2279.150424] [] ubsan_epilogue+0x12/0x53 [ 2279.164292] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2279.186462] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2279.207508] [] ? kasan_kmalloc+0x94/0xa3 [ 2279.226386] [] num_clusters_in_group+0x14d/0x254 [ 2279.242089] [] ext4_free_clusters_after_init+0x30/0x36b [ 2279.262871] [] ? ext4_mb_add_groupinfo+0x4f9/0xa6a [ 2279.283206] [] ? ext4_mb_add_groupinfo+0x4f9/0xa6a [ 2279.300334] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2279.317081] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2279.338971] [] ? ext4_get_group_desc+0x353/0x365 [ 2279.357496] [] ext4_mb_init+0xfcd/0x1242 [ 2279.374098] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2279.395033] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2279.416009] [] ext4_fill_super+0x7dd7/0xa2df [ 2279.433151] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2279.453195] [] ? vsnprintf+0x1a0/0xa32 [ 2279.469289] [] ? pointer+0x7a9/0x7a9 [ 2279.482171] [] ? set_bdev_super+0x15d/0x15d [ 2279.499251] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2279.522551] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2279.544914] [] ? scnprintf+0xf3/0xf3 [ 2279.560437] [] mount_bdev+0x3cf/0x602 [ 2279.576437] [] ? mount_bdev+0x3cf/0x602 [ 2279.593790] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2279.614940] [] ext4_mount+0x3c/0x3e [ 2279.631337] [] mount_fs+0xd0/0x2ca [ 2279.647553] [] vfs_kern_mount+0xa0/0x20a [ 2279.662323] [] do_mount+0x11fe/0x19df [ 2279.677878] [] ? kasan_kmalloc+0x94/0xa3 [ 2279.694885] [] ? copy_mount_string+0x3d/0x3d [ 2279.713240] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2279.733962] [] ? __check_object_size+0x1e1/0x2b8 [ 2279.756073] [] ? 0xffffffffb1c002b8 [ 2279.770620] [] ? copy_mount_options+0x23d/0x24d [ 2279.788765] [] SyS_mount+0xa3/0xda [ 2279.804755] [] mount_block_root+0x2fc/0x650 [ 2279.822816] [] ? init_rootfs+0x99/0x99 [ 2279.839771] [] ? security_file_ioctl+0xa5/0xb4 [ 2279.857427] [] ? SyS_mknod+0x2f/0x36 [ 2279.872600] [] mount_root+0x45/0x48 [ 2279.889049] [] prepare_namespace+0x1cf/0x235 [ 2279.905267] [] kernel_init_freeable+0x4fa/0x518 [ 2279.924224] [] kernel_init+0x16/0x181 [ 2279.940359] [] ret_from_fork+0x1f/0x40 [ 2279.958017] [] ? rest_init+0x8f/0x8f [ 2279.976077] ================================================================================ [ 2280.000868] ================================================================================ [ 2280.026085] UBSAN: Undefined behaviour in fs/ext4/balloc.c:173:12 [ 2280.044248] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2280.074957] which requires 64 byte alignment [ 2280.088162] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2280.103425] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2280.133761] 00000000ffffffff 00000000b1a89c60 ffff88005c9df528 ffffffffb26ec5cc [ 2280.155284] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2280.176872] ffffffff00000010 ffff88005c9df550 ffff88005c9df500 ffffffffb363c3e0 [ 2280.199281] Call Trace: [ 2280.207017] [] dump_stack+0xd7/0x132 [ 2280.222983] [] ? arch_local_irq_restore+0x1b/0x1b [ 2280.238585] [] ubsan_epilogue+0x12/0x53 [ 2280.254352] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2280.278631] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2280.297418] [] ? kasan_kmalloc+0x94/0xa3 [ 2280.314158] [] num_clusters_in_group+0x176/0x254 [ 2280.333245] [] ext4_free_clusters_after_init+0x30/0x36b [ 2280.354140] [] ? ext4_mb_add_groupinfo+0x4f9/0xa6a [ 2280.376854] [] ? ext4_mb_add_groupinfo+0x4f9/0xa6a [ 2280.399353] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2280.415439] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2280.435525] [] ? ext4_get_group_desc+0x353/0x365 [ 2280.454640] [] ext4_mb_init+0xfcd/0x1242 [ 2280.472054] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2280.491167] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2280.507916] [] ext4_fill_super+0x7dd7/0xa2df [ 2280.523184] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2280.545845] [] ? vsnprintf+0x1a0/0xa32 [ 2280.562641] [] ? pointer+0x7a9/0x7a9 [ 2280.579226] [] ? set_bdev_super+0x15d/0x15d [ 2280.638875] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2280.698519] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2280.725359] [] ? scnprintf+0xf3/0xf3 [ 2280.741561] [] mount_bdev+0x3cf/0x602 [ 2280.755646] [] ? mount_bdev+0x3cf/0x602 [ 2280.769833] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2280.787937] [] ext4_mount+0x3c/0x3e [ 2280.802170] [] mount_fs+0xd0/0x2ca [ 2280.816415] [] vfs_kern_mount+0xa0/0x20a [ 2280.830968] [] do_mount+0x11fe/0x19df [ 2280.847382] [] ? kasan_kmalloc+0x94/0xa3 [ 2280.862752] [] ? copy_mount_string+0x3d/0x3d [ 2280.878916] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2280.897014] [] ? __check_object_size+0x1e1/0x2b8 [ 2280.915621] [] ? 0xffffffffb1c002b8 [ 2280.930588] [] ? copy_mount_options+0x23d/0x24d [ 2280.952522] [] SyS_mount+0xa3/0xda [ 2280.970085] [] mount_block_root+0x2fc/0x650 [ 2280.992936] [] ? init_rootfs+0x99/0x99 [ 2281.007366] [] ? security_file_ioctl+0xa5/0xb4 [ 2281.026327] [] ? SyS_mknod+0x2f/0x36 [ 2281.043882] [] mount_root+0x45/0x48 [ 2281.059722] [] prepare_namespace+0x1cf/0x235 [ 2281.077705] [] kernel_init_freeable+0x4fa/0x518 [ 2281.097926] [] kernel_init+0x16/0x181 [ 2281.113308] [] ret_from_fork+0x1f/0x40 [ 2281.131362] [] ? rest_init+0x8f/0x8f [ 2281.147403] ================================================================================ [ 2281.213244] ================================================================================ [ 2281.237690] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2281.255154] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2281.276965] which requires 64 byte alignment [ 2281.288794] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2281.303510] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2281.330682] 00000000ffffffff 00000000b1a89c60 ffff88005c9df528 ffffffffb26ec5cc [ 2281.353280] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2281.376666] ffffffff00000010 ffff88005c9df550 ffff88005c9df500 ffffffffb363c3e0 [ 2281.396981] Call Trace: [ 2281.404427] [] dump_stack+0xd7/0x132 [ 2281.419895] [] ? arch_local_irq_restore+0x1b/0x1b [ 2281.438205] [] ubsan_epilogue+0x12/0x53 [ 2281.453375] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2281.476722] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2281.500503] [] ? kasan_kmalloc+0x94/0xa3 [ 2281.518848] [] num_clusters_in_group+0x1a3/0x254 [ 2281.536932] [] ext4_free_clusters_after_init+0x30/0x36b [ 2281.557785] [] ? ext4_mb_add_groupinfo+0x4f9/0xa6a [ 2281.575271] [] ? ext4_mb_add_groupinfo+0x4f9/0xa6a [ 2281.594446] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2281.614659] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2281.635680] [] ? ext4_get_group_desc+0x353/0x365 [ 2281.653625] [] ext4_mb_init+0xfcd/0x1242 [ 2281.670231] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2281.689960] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2281.709990] [] ext4_fill_super+0x7dd7/0xa2df [ 2281.726277] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2281.744226] [] ? vsnprintf+0x1a0/0xa32 [ 2281.761231] [] ? pointer+0x7a9/0x7a9 [ 2281.776043] [] ? set_bdev_super+0x15d/0x15d [ 2281.794347] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2281.814320] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2281.833180] [] ? scnprintf+0xf3/0xf3 [ 2281.847507] [] mount_bdev+0x3cf/0x602 [ 2281.860451] [] ? mount_bdev+0x3cf/0x602 [ 2281.876313] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2281.898389] [] ext4_mount+0x3c/0x3e [ 2281.914374] [] mount_fs+0xd0/0x2ca [ 2281.927929] [] vfs_kern_mount+0xa0/0x20a [ 2281.944873] [] do_mount+0x11fe/0x19df [ 2281.958217] [] ? kasan_kmalloc+0x94/0xa3 [ 2281.973980] [] ? copy_mount_string+0x3d/0x3d [ 2281.991706] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2282.011422] [] ? __check_object_size+0x1e1/0x2b8 [ 2282.030158] [] ? 0xffffffffb1c002b8 [ 2282.047094] [] ? copy_mount_options+0x23d/0x24d [ 2282.063084] [] SyS_mount+0xa3/0xda [ 2282.078951] [] mount_block_root+0x2fc/0x650 [ 2282.097837] [] ? init_rootfs+0x99/0x99 [ 2282.114164] [] ? security_file_ioctl+0xa5/0xb4 [ 2282.132793] [] ? SyS_mknod+0x2f/0x36 [ 2282.147183] [] mount_root+0x45/0x48 [ 2282.162199] [] prepare_namespace+0x1cf/0x235 [ 2282.178336] [] kernel_init_freeable+0x4fa/0x518 [ 2282.197511] [] kernel_init+0x16/0x181 [ 2282.211596] [] ret_from_fork+0x1f/0x40 [ 2282.225846] [] ? rest_init+0x8f/0x8f [ 2282.241545] ================================================================================ [ 2282.267290] ================================================================================ [ 2282.289829] UBSAN: Undefined behaviour in fs/ext4/balloc.c:174:9 [ 2282.305860] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2282.330485] which requires 64 byte alignment [ 2282.342294] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2282.362064] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2282.392326] 00000000ffffffff 00000000b1a89c60 ffff88005c9df528 ffffffffb26ec5cc [ 2282.416757] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2282.464001] ffffffff00000010 ffff88005c9df550 ffff88005c9df500 ffffffffb363c3e0 [ 2282.521041] Call Trace: [ 2282.548034] [] dump_stack+0xd7/0x132 [ 2282.576114] [] ? arch_local_irq_restore+0x1b/0x1b [ 2282.628579] [] ubsan_epilogue+0x12/0x53 [ 2282.642565] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2282.661859] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2282.681333] [] ? kasan_kmalloc+0x94/0xa3 [ 2282.697870] [] num_clusters_in_group+0x1cc/0x254 [ 2282.717863] [] ext4_free_clusters_after_init+0x30/0x36b [ 2282.735808] [] ? ext4_mb_add_groupinfo+0x4f9/0xa6a [ 2282.756016] [] ? ext4_mb_add_groupinfo+0x4f9/0xa6a [ 2282.773264] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2282.790289] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2282.808368] [] ? ext4_get_group_desc+0x353/0x365 [ 2282.825758] [] ext4_mb_init+0xfcd/0x1242 [ 2282.842602] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2282.863703] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2282.884698] [] ext4_fill_super+0x7dd7/0xa2df [ 2282.901437] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2282.922364] [] ? vsnprintf+0x1a0/0xa32 [ 2282.940762] [] ? pointer+0x7a9/0x7a9 [ 2282.956734] [] ? set_bdev_super+0x15d/0x15d [ 2282.976293] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2282.995454] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2283.021152] [] ? scnprintf+0xf3/0xf3 [ 2283.038138] [] mount_bdev+0x3cf/0x602 [ 2283.053745] [] ? mount_bdev+0x3cf/0x602 [ 2283.070243] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2283.090957] [] ext4_mount+0x3c/0x3e [ 2283.105334] [] mount_fs+0xd0/0x2ca [ 2283.121956] [] vfs_kern_mount+0xa0/0x20a [ 2283.139324] [] do_mount+0x11fe/0x19df [ 2283.154557] [] ? kasan_kmalloc+0x94/0xa3 [ 2283.170712] [] ? copy_mount_string+0x3d/0x3d [ 2283.185700] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2283.203204] [] ? __check_object_size+0x1e1/0x2b8 [ 2283.220968] [] ? 0xffffffffb1c002b8 [ 2283.237188] [] ? copy_mount_options+0x23d/0x24d [ 2283.257330] [] SyS_mount+0xa3/0xda [ 2283.271912] [] mount_block_root+0x2fc/0x650 [ 2283.287208] [] ? init_rootfs+0x99/0x99 [ 2283.308634] [] ? security_file_ioctl+0xa5/0xb4 [ 2283.327510] [] ? SyS_mknod+0x2f/0x36 [ 2283.342146] [] mount_root+0x45/0x48 [ 2283.358836] [] prepare_namespace+0x1cf/0x235 [ 2283.375650] [] kernel_init_freeable+0x4fa/0x518 [ 2283.393120] [] kernel_init+0x16/0x181 [ 2283.412521] [] ret_from_fork+0x1f/0x40 [ 2283.429439] [] ? rest_init+0x8f/0x8f [ 2283.444216] ================================================================================ [ 2283.472794] ================================================================================ [ 2283.499256] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2283.515842] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2283.543405] which requires 64 byte alignment [ 2283.556486] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2283.575458] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2283.601920] 00000000ffffffff 00000000b1a89c60 ffff88005c9df528 ffffffffb26ec5cc [ 2283.624046] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2283.645403] ffffffff00000010 ffff88005c9df550 ffff88005c9df500 ffffffffb363c3e0 [ 2283.668664] Call Trace: [ 2283.674780] [] dump_stack+0xd7/0x132 [ 2283.691027] [] ? arch_local_irq_restore+0x1b/0x1b [ 2283.710140] [] ubsan_epilogue+0x12/0x53 [ 2283.726304] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2283.745853] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2283.765443] [] ? kasan_kmalloc+0x94/0xa3 [ 2283.778805] [] num_clusters_in_group+0x1f9/0x254 [ 2283.796553] [] ext4_free_clusters_after_init+0x30/0x36b [ 2283.815086] [] ? ext4_mb_add_groupinfo+0x4f9/0xa6a [ 2283.833990] [] ? ext4_mb_add_groupinfo+0x4f9/0xa6a [ 2283.852130] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2283.874735] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2283.893451] [] ? ext4_get_group_desc+0x353/0x365 [ 2283.911539] [] ext4_mb_init+0xfcd/0x1242 [ 2283.929192] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2283.949029] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2283.967294] [] ext4_fill_super+0x7dd7/0xa2df [ 2283.982550] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2284.002190] [] ? vsnprintf+0x1a0/0xa32 [ 2284.017765] [] ? pointer+0x7a9/0x7a9 [ 2284.032337] [] ? set_bdev_super+0x15d/0x15d [ 2284.048493] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2284.066511] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2284.083604] [] ? scnprintf+0xf3/0xf3 [ 2284.100406] [] mount_bdev+0x3cf/0x602 [ 2284.114756] [] ? mount_bdev+0x3cf/0x602 [ 2284.128713] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2284.150995] [] ext4_mount+0x3c/0x3e [ 2284.165235] [] mount_fs+0xd0/0x2ca [ 2284.179502] [] vfs_kern_mount+0xa0/0x20a [ 2284.197542] [] do_mount+0x11fe/0x19df [ 2284.212218] [] ? kasan_kmalloc+0x94/0xa3 [ 2284.228516] [] ? copy_mount_string+0x3d/0x3d [ 2284.244702] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2284.261660] [] ? __check_object_size+0x1e1/0x2b8 [ 2284.282898] [] ? 0xffffffffb1c002b8 [ 2284.298702] [] ? copy_mount_options+0x23d/0x24d [ 2284.315907] [] SyS_mount+0xa3/0xda [ 2284.329240] [] mount_block_root+0x2fc/0x650 [ 2284.349443] [] ? init_rootfs+0x99/0x99 [ 2284.364503] [] ? security_file_ioctl+0xa5/0xb4 [ 2284.383643] [] ? SyS_mknod+0x2f/0x36 [ 2284.400583] [] mount_root+0x45/0x48 [ 2284.418239] [] prepare_namespace+0x1cf/0x235 [ 2284.436091] [] kernel_init_freeable+0x4fa/0x518 [ 2284.453106] [] kernel_init+0x16/0x181 [ 2284.467654] [] ret_from_fork+0x1f/0x40 [ 2284.481697] [] ? rest_init+0x8f/0x8f [ 2284.498012] ================================================================================ [ 2284.520869] ================================================================================ [ 2284.546423] UBSAN: Undefined behaviour in fs/ext4/balloc.c:174:9 [ 2284.565103] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2284.588900] which requires 64 byte alignment [ 2284.598798] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2284.615311] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2284.641445] 00000000ffffffff 00000000b1a89c60 ffff88005c9df528 ffffffffb26ec5cc [ 2284.661938] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2284.683499] ffffffff00000010 ffff88005c9df550 ffff88005c9df500 ffffffffb363c3e0 [ 2284.710149] Call Trace: [ 2284.717750] [] dump_stack+0xd7/0x132 [ 2284.731052] [] ? arch_local_irq_restore+0x1b/0x1b [ 2284.750534] [] ubsan_epilogue+0x12/0x53 [ 2284.769411] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2284.789496] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2284.810105] [] ? kasan_kmalloc+0x94/0xa3 [ 2284.825896] [] num_clusters_in_group+0x213/0x254 [ 2284.845049] [] ext4_free_clusters_after_init+0x30/0x36b [ 2284.864782] [] ? ext4_mb_add_groupinfo+0x4f9/0xa6a [ 2284.884301] [] ? ext4_mb_add_groupinfo+0x4f9/0xa6a [ 2284.903026] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2284.923300] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2284.948062] [] ? ext4_get_group_desc+0x353/0x365 [ 2284.971643] [] ext4_mb_init+0xfcd/0x1242 [ 2284.991188] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2285.015909] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2285.042005] [] ext4_fill_super+0x7dd7/0xa2df [ 2285.062840] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2285.086121] [] ? vsnprintf+0x1a0/0xa32 [ 2285.103262] [] ? pointer+0x7a9/0x7a9 [ 2285.118528] [] ? set_bdev_super+0x15d/0x15d [ 2285.139113] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2285.162575] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2285.184906] [] ? scnprintf+0xf3/0xf3 [ 2285.202381] [] mount_bdev+0x3cf/0x602 [ 2285.219891] [] ? mount_bdev+0x3cf/0x602 [ 2285.238014] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2285.261532] [] ext4_mount+0x3c/0x3e [ 2285.279178] [] mount_fs+0xd0/0x2ca [ 2285.297299] [] vfs_kern_mount+0xa0/0x20a [ 2285.316878] [] do_mount+0x11fe/0x19df [ 2285.334407] [] ? kasan_kmalloc+0x94/0xa3 [ 2285.353127] [] ? copy_mount_string+0x3d/0x3d [ 2285.372837] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2285.393386] [] ? __check_object_size+0x1e1/0x2b8 [ 2285.415758] [] ? 0xffffffffb1c002b8 [ 2285.435277] [] ? copy_mount_options+0x23d/0x24d [ 2285.458115] [] SyS_mount+0xa3/0xda [ 2285.475118] [] mount_block_root+0x2fc/0x650 [ 2285.493811] [] ? init_rootfs+0x99/0x99 [ 2285.514374] [] ? security_file_ioctl+0xa5/0xb4 [ 2285.537146] [] ? SyS_mknod+0x2f/0x36 [ 2285.554329] [] mount_root+0x45/0x48 [ 2285.572680] [] prepare_namespace+0x1cf/0x235 [ 2285.594521] [] kernel_init_freeable+0x4fa/0x518 [ 2285.619844] [] kernel_init+0x16/0x181 [ 2285.637985] [] ret_from_fork+0x1f/0x40 [ 2285.654642] [] ? rest_init+0x8f/0x8f [ 2285.671797] ================================================================================ [ 2285.701549] ================================================================================ [ 2285.732575] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2285.753867] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2285.782539] which requires 64 byte alignment [ 2285.797080] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2285.817833] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2285.849598] 00000000ffffffff 00000000b1a89c60 ffff88005c9df538 ffffffffb26ec5cc [ 2285.873734] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2285.899135] 0000000000000010 ffff88005c9df560 ffff88005c9df510 ffffffffb363c3e0 [ 2285.923829] Call Trace: [ 2285.932919] [] dump_stack+0xd7/0x132 [ 2285.947407] [] ? arch_local_irq_restore+0x1b/0x1b [ 2285.968545] [] ubsan_epilogue+0x12/0x53 [ 2285.998097] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2286.023546] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2286.047995] [] ext4_group_first_block_no+0x2e/0xd9 [ 2286.070617] [] ext4_free_clusters_after_init+0x3e/0x36b [ 2286.093589] [] ? ext4_mb_add_groupinfo+0x4f9/0xa6a [ 2286.111898] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2286.133732] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2286.167675] [] ? ext4_get_group_desc+0x353/0x365 [ 2286.194543] [] ext4_mb_init+0xfcd/0x1242 [ 2286.216953] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2286.244894] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2286.274579] [] ext4_fill_super+0x7dd7/0xa2df [ 2286.297231] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2286.321834] [] ? vsnprintf+0x1a0/0xa32 [ 2286.342496] [] ? pointer+0x7a9/0x7a9 [ 2286.359048] [] ? set_bdev_super+0x15d/0x15d [ 2286.378943] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2286.407236] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2286.430853] [] ? scnprintf+0xf3/0xf3 [ 2286.448218] [] mount_bdev+0x3cf/0x602 [ 2286.463897] [] ? mount_bdev+0x3cf/0x602 [ 2286.483641] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2286.510248] [] ext4_mount+0x3c/0x3e [ 2286.526869] [] mount_fs+0xd0/0x2ca [ 2286.545929] [] vfs_kern_mount+0xa0/0x20a [ 2286.566463] [] do_mount+0x11fe/0x19df [ 2286.583847] [] ? kasan_kmalloc+0x94/0xa3 [ 2286.603031] [] ? copy_mount_string+0x3d/0x3d [ 2286.624869] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2286.646093] [] ? __check_object_size+0x1e1/0x2b8 [ 2286.666306] [] ? 0xffffffffb1c002b8 [ 2286.681832] [] ? copy_mount_options+0x23d/0x24d [ 2286.706081] [] SyS_mount+0xa3/0xda [ 2286.723612] [] mount_block_root+0x2fc/0x650 [ 2286.743988] [] ? init_rootfs+0x99/0x99 [ 2286.762080] [] ? security_file_ioctl+0xa5/0xb4 [ 2286.779494] [] ? SyS_mknod+0x2f/0x36 [ 2286.799697] [] mount_root+0x45/0x48 [ 2286.819404] [] prepare_namespace+0x1cf/0x235 [ 2286.840823] [] kernel_init_freeable+0x4fa/0x518 [ 2286.858431] [] kernel_init+0x16/0x181 [ 2286.878100] [] ret_from_fork+0x1f/0x40 [ 2286.896322] [] ? rest_init+0x8f/0x8f [ 2286.914204] ================================================================================ [ 2286.939436] ================================================================================ [ 2286.967902] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2121:34 [ 2286.984780] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2287.020476] which requires 64 byte alignment [ 2287.033352] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2287.051464] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2287.081499] 00000000ffffffff 00000000b1a89c60 ffff88005c9df538 ffffffffb26ec5cc [ 2287.107053] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2287.131430] ffffffff00000010 ffff88005c9df560 ffff88005c9df510 ffffffffb363c3e0 [ 2287.155586] Call Trace: [ 2287.162279] [] dump_stack+0xd7/0x132 [ 2287.179243] [] ? arch_local_irq_restore+0x1b/0x1b [ 2287.200729] [] ubsan_epilogue+0x12/0x53 [ 2287.218198] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2287.240358] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2287.262772] [] ext4_group_first_block_no+0x5c/0xd9 [ 2287.280389] [] ext4_free_clusters_after_init+0x3e/0x36b [ 2287.303051] [] ? ext4_mb_add_groupinfo+0x4f9/0xa6a [ 2287.325029] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2287.344754] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2287.366092] [] ? ext4_get_group_desc+0x353/0x365 [ 2287.387766] [] ext4_mb_init+0xfcd/0x1242 [ 2287.414236] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2287.437793] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2287.457293] [] ext4_fill_super+0x7dd7/0xa2df [ 2287.475394] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2287.495183] [] ? vsnprintf+0x1a0/0xa32 [ 2287.510931] [] ? pointer+0x7a9/0x7a9 [ 2287.527324] [] ? set_bdev_super+0x15d/0x15d [ 2287.543740] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2287.569084] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2287.591700] [] ? scnprintf+0xf3/0xf3 [ 2287.605994] [] mount_bdev+0x3cf/0x602 [ 2287.623065] [] ? mount_bdev+0x3cf/0x602 [ 2287.639349] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2287.658199] [] ext4_mount+0x3c/0x3e [ 2287.673764] [] mount_fs+0xd0/0x2ca [ 2287.687655] [] vfs_kern_mount+0xa0/0x20a [ 2287.706440] [] do_mount+0x11fe/0x19df [ 2287.721881] [] ? kasan_kmalloc+0x94/0xa3 [ 2287.739193] [] ? copy_mount_string+0x3d/0x3d [ 2287.756344] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2287.776257] [] ? __check_object_size+0x1e1/0x2b8 [ 2287.798151] [] ? 0xffffffffb1c002b8 [ 2287.814442] [] ? copy_mount_options+0x23d/0x24d [ 2287.834082] [] SyS_mount+0xa3/0xda [ 2287.849423] [] mount_block_root+0x2fc/0x650 [ 2287.868414] [] ? init_rootfs+0x99/0x99 [ 2287.883870] [] ? security_file_ioctl+0xa5/0xb4 [ 2287.899662] [] ? SyS_mknod+0x2f/0x36 [ 2287.914659] [] mount_root+0x45/0x48 [ 2287.926377] [] prepare_namespace+0x1cf/0x235 [ 2287.941251] [] kernel_init_freeable+0x4fa/0x518 [ 2287.957811] [] kernel_init+0x16/0x181 [ 2287.973436] [] ret_from_fork+0x1f/0x40 [ 2287.990566] [] ? rest_init+0x8f/0x8f [ 2288.005788] ================================================================================ [ 2288.034828] ================================================================================ [ 2288.062372] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2288.082552] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2288.111852] which requires 64 byte alignment [ 2288.125585] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2288.146518] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2288.179650] 00000000ffffffff 00000000b1a89c60 ffff88005c9df538 ffffffffb26ec5cc [ 2288.202801] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2288.231102] ffffffff00000010 ffff88005c9df560 ffff88005c9df510 ffffffffb363c3e0 [ 2288.255437] Call Trace: [ 2288.264666] [] dump_stack+0xd7/0x132 [ 2288.281837] [] ? arch_local_irq_restore+0x1b/0x1b [ 2288.301656] [] ubsan_epilogue+0x12/0x53 [ 2288.323472] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2288.345080] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2288.370963] [] ext4_group_first_block_no+0x84/0xd9 [ 2288.393014] [] ext4_free_clusters_after_init+0x3e/0x36b [ 2288.418004] [] ? ext4_mb_add_groupinfo+0x4f9/0xa6a [ 2288.437748] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2288.456748] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2288.479237] [] ? ext4_get_group_desc+0x353/0x365 [ 2288.500571] [] ext4_mb_init+0xfcd/0x1242 [ 2288.519202] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2288.540814] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2288.563827] [] ext4_fill_super+0x7dd7/0xa2df [ 2288.585262] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2288.608299] [] ? vsnprintf+0x1a0/0xa32 [ 2288.626820] [] ? pointer+0x7a9/0x7a9 [ 2288.645101] [] ? set_bdev_super+0x15d/0x15d [ 2288.663852] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2288.692874] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2288.715808] [] ? scnprintf+0xf3/0xf3 [ 2288.734063] [] mount_bdev+0x3cf/0x602 [ 2288.750327] [] ? mount_bdev+0x3cf/0x602 [ 2288.768902] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2288.791291] [] ext4_mount+0x3c/0x3e [ 2288.807596] [] mount_fs+0xd0/0x2ca [ 2288.823984] [] vfs_kern_mount+0xa0/0x20a [ 2288.843657] [] do_mount+0x11fe/0x19df [ 2288.863769] [] ? kasan_kmalloc+0x94/0xa3 [ 2288.881857] [] ? copy_mount_string+0x3d/0x3d [ 2288.902582] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2288.921929] [] ? __check_object_size+0x1e1/0x2b8 [ 2288.942092] [] ? 0xffffffffb1c002b8 [ 2288.958361] [] ? copy_mount_options+0x23d/0x24d [ 2288.979122] [] SyS_mount+0xa3/0xda [ 2288.999545] [] mount_block_root+0x2fc/0x650 [ 2289.019232] [] ? init_rootfs+0x99/0x99 [ 2289.037864] [] ? security_file_ioctl+0xa5/0xb4 [ 2289.058043] [] ? SyS_mknod+0x2f/0x36 [ 2289.072712] [] mount_root+0x45/0x48 [ 2289.091380] [] prepare_namespace+0x1cf/0x235 [ 2289.111997] [] kernel_init_freeable+0x4fa/0x518 [ 2289.132542] [] kernel_init+0x16/0x181 [ 2289.156707] [] ret_from_fork+0x1f/0x40 [ 2289.177554] [] ? rest_init+0x8f/0x8f [ 2289.194243] ================================================================================ [ 2289.221258] ================================================================================ [ 2289.247940] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2122:3 [ 2289.268149] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2289.300517] which requires 64 byte alignment [ 2289.315582] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2289.332891] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2289.361934] 00000000ffffffff 00000000b1a89c60 ffff88005c9df538 ffffffffb26ec5cc [ 2289.389097] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2289.415220] ffffffff00000010 ffff88005c9df560 ffff88005c9df510 ffffffffb363c3e0 [ 2289.441553] Call Trace: [ 2289.449911] [] dump_stack+0xd7/0x132 [ 2289.469752] [] ? arch_local_irq_restore+0x1b/0x1b [ 2289.491671] [] ubsan_epilogue+0x12/0x53 [ 2289.511180] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2289.534023] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2289.561450] [] ext4_group_first_block_no+0x9d/0xd9 [ 2289.581100] [] ext4_free_clusters_after_init+0x3e/0x36b [ 2289.608250] [] ? ext4_mb_add_groupinfo+0x4f9/0xa6a [ 2289.632225] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2289.650026] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2289.669140] [] ? ext4_get_group_desc+0x353/0x365 [ 2289.687659] [] ext4_mb_init+0xfcd/0x1242 [ 2289.704797] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2289.724660] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2289.749130] [] ext4_fill_super+0x7dd7/0xa2df [ 2289.768459] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2289.789246] [] ? vsnprintf+0x1a0/0xa32 [ 2289.803689] [] ? pointer+0x7a9/0x7a9 [ 2289.820117] [] ? set_bdev_super+0x15d/0x15d [ 2289.838684] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2289.856015] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2289.875062] [] ? scnprintf+0xf3/0xf3 [ 2289.892176] [] mount_bdev+0x3cf/0x602 [ 2289.906015] [] ? mount_bdev+0x3cf/0x602 [ 2289.920518] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2289.937391] [] ext4_mount+0x3c/0x3e [ 2289.953031] [] mount_fs+0xd0/0x2ca [ 2289.968485] [] vfs_kern_mount+0xa0/0x20a [ 2289.983813] [] do_mount+0x11fe/0x19df [ 2289.998728] [] ? kasan_kmalloc+0x94/0xa3 [ 2290.016824] [] ? copy_mount_string+0x3d/0x3d [ 2290.031718] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2290.050499] [] ? __check_object_size+0x1e1/0x2b8 [ 2290.068406] [] ? 0xffffffffb1c002b8 [ 2290.081996] [] ? copy_mount_options+0x23d/0x24d [ 2290.098547] [] SyS_mount+0xa3/0xda [ 2290.113377] [] mount_block_root+0x2fc/0x650 [ 2290.128881] [] ? init_rootfs+0x99/0x99 [ 2290.145106] [] ? security_file_ioctl+0xa5/0xb4 [ 2290.167597] [] ? SyS_mknod+0x2f/0x36 [ 2290.184752] [] mount_root+0x45/0x48 [ 2290.202847] [] prepare_namespace+0x1cf/0x235 [ 2290.224360] [] kernel_init_freeable+0x4fa/0x518 [ 2290.248835] [] kernel_init+0x16/0x181 [ 2290.263576] [] ret_from_fork+0x1f/0x40 [ 2290.277675] [] ? rest_init+0x8f/0x8f [ 2290.291876] ================================================================================ [ 2290.318141] ================================================================================ [ 2290.341019] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2290.357286] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2290.386343] which requires 64 byte alignment [ 2290.397981] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2290.416382] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2290.442298] 00000000ffffffff 00000000b1a89c60 ffff88005c9df560 ffffffffb26ec5cc [ 2290.466041] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2290.489448] ffffffff00000010 ffff88005c9df588 ffff88005c9df538 ffffffffb363c3e0 [ 2290.511777] Call Trace: [ 2290.518804] [] dump_stack+0xd7/0x132 [ 2290.532972] [] ? arch_local_irq_restore+0x1b/0x1b [ 2290.551558] [] ubsan_epilogue+0x12/0x53 [ 2290.567041] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2290.585867] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2290.604291] [] ext4_free_clusters_after_init+0x5c/0x36b [ 2290.628004] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2290.648885] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2290.667652] [] ? ext4_get_group_desc+0x353/0x365 [ 2290.688755] [] ext4_mb_init+0xfcd/0x1242 [ 2290.715243] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2290.737454] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2290.761436] [] ext4_fill_super+0x7dd7/0xa2df [ 2290.790993] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2290.813828] [] ? vsnprintf+0x1a0/0xa32 [ 2290.829344] [] ? pointer+0x7a9/0x7a9 [ 2290.847463] [] ? set_bdev_super+0x15d/0x15d [ 2290.865405] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2290.883582] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2290.906916] [] ? scnprintf+0xf3/0xf3 [ 2290.922149] [] mount_bdev+0x3cf/0x602 [ 2290.936324] [] ? mount_bdev+0x3cf/0x602 [ 2290.955359] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2290.974658] [] ext4_mount+0x3c/0x3e [ 2290.991029] [] mount_fs+0xd0/0x2ca [ 2291.007526] [] vfs_kern_mount+0xa0/0x20a [ 2291.021009] [] do_mount+0x11fe/0x19df [ 2291.037575] [] ? kasan_kmalloc+0x94/0xa3 [ 2291.055787] [] ? copy_mount_string+0x3d/0x3d [ 2291.070700] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2291.090148] [] ? __check_object_size+0x1e1/0x2b8 [ 2291.111962] [] ? 0xffffffffb1c002b8 [ 2291.126192] [] ? copy_mount_options+0x23d/0x24d [ 2291.143533] [] SyS_mount+0xa3/0xda [ 2291.160384] [] mount_block_root+0x2fc/0x650 [ 2291.178067] [] ? init_rootfs+0x99/0x99 [ 2291.196511] [] ? security_file_ioctl+0xa5/0xb4 [ 2291.215051] [] ? SyS_mknod+0x2f/0x36 [ 2291.230256] [] mount_root+0x45/0x48 [ 2291.245331] [] prepare_namespace+0x1cf/0x235 [ 2291.264237] [] kernel_init_freeable+0x4fa/0x518 [ 2291.279329] [] kernel_init+0x16/0x181 [ 2291.294662] [] ret_from_fork+0x1f/0x40 [ 2291.319254] [] ? rest_init+0x8f/0x8f [ 2291.338647] ================================================================================ [ 2291.367089] ================================================================================ [ 2291.390370] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2291.410318] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2291.439762] which requires 64 byte alignment [ 2291.452653] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2291.470943] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2291.500028] 00000000ffffffff 00000000b1a89c60 ffff88005c9df520 ffffffffb26ec5cc [ 2291.522719] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2291.546336] ffff880000000010 ffff88005c9df548 ffff88005c9df4f8 ffffffffb363c3e0 [ 2291.571085] Call Trace: [ 2291.583609] [] dump_stack+0xd7/0x132 [ 2291.597635] [] ? arch_local_irq_restore+0x1b/0x1b [ 2291.617449] [] ubsan_epilogue+0x12/0x53 [ 2291.635158] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2291.652585] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2291.673347] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2291.694294] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2291.715491] [] ext4_num_base_meta_clusters+0x38/0x287 [ 2291.736679] [] ? ext4_free_clusters_after_init+0x68/0x36b [ 2291.756107] [] ext4_free_clusters_after_init+0x7a/0x36b [ 2291.776909] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2291.798779] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2291.821428] [] ? ext4_get_group_desc+0x353/0x365 [ 2291.840616] [] ext4_mb_init+0xfcd/0x1242 [ 2291.857796] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2291.879547] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2291.900908] [] ext4_fill_super+0x7dd7/0xa2df [ 2291.920991] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2291.943871] [] ? vsnprintf+0x1a0/0xa32 [ 2291.961731] [] ? pointer+0x7a9/0x7a9 [ 2291.976993] [] ? set_bdev_super+0x15d/0x15d [ 2291.995812] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2292.019505] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2292.042651] [] ? scnprintf+0xf3/0xf3 [ 2292.061095] [] mount_bdev+0x3cf/0x602 [ 2292.078449] [] ? mount_bdev+0x3cf/0x602 [ 2292.095415] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2292.113485] [] ext4_mount+0x3c/0x3e [ 2292.130021] [] mount_fs+0xd0/0x2ca [ 2292.144204] [] vfs_kern_mount+0xa0/0x20a [ 2292.163485] [] do_mount+0x11fe/0x19df [ 2292.180703] [] ? kasan_kmalloc+0x94/0xa3 [ 2292.197523] [] ? copy_mount_string+0x3d/0x3d [ 2292.217062] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2292.235904] [] ? __check_object_size+0x1e1/0x2b8 [ 2292.253094] [] ? 0xffffffffb1c002b8 [ 2292.269843] [] ? copy_mount_options+0x23d/0x24d [ 2292.289433] [] SyS_mount+0xa3/0xda [ 2292.303196] [] mount_block_root+0x2fc/0x650 [ 2292.319395] [] ? init_rootfs+0x99/0x99 [ 2292.338838] [] ? security_file_ioctl+0xa5/0xb4 [ 2292.357906] [] ? SyS_mknod+0x2f/0x36 [ 2292.370823] [] mount_root+0x45/0x48 [ 2292.385487] [] prepare_namespace+0x1cf/0x235 [ 2292.399501] [] kernel_init_freeable+0x4fa/0x518 [ 2292.419226] [] kernel_init+0x16/0x181 [ 2292.436167] [] ret_from_fork+0x1f/0x40 [ 2292.452199] [] ? rest_init+0x8f/0x8f [ 2292.467408] ================================================================================ [ 2292.492421] ================================================================================ [ 2292.514655] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2292.533511] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2292.558714] which requires 64 byte alignment [ 2292.572473] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2292.592395] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2292.617966] 00000000ffffffff 00000000b1a89c60 ffff88005c9df520 ffffffffb26ec5cc [ 2292.642241] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2292.666314] 0000000000000010 ffff88005c9df548 ffff88005c9df4f8 ffffffffb363c3e0 [ 2292.688943] Call Trace: [ 2292.695145] [] dump_stack+0xd7/0x132 [ 2292.709153] [] ? arch_local_irq_restore+0x1b/0x1b [ 2292.725855] [] ubsan_epilogue+0x12/0x53 [ 2292.742028] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2292.765125] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2292.788975] [] ext4_num_base_meta_clusters+0x78/0x287 [ 2292.809339] [] ? ext4_free_clusters_after_init+0x68/0x36b [ 2292.829863] [] ext4_free_clusters_after_init+0x7a/0x36b [ 2292.851011] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2292.871060] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2292.892399] [] ? ext4_get_group_desc+0x353/0x365 [ 2292.911092] [] ext4_mb_init+0xfcd/0x1242 [ 2292.927489] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2292.950035] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2292.967079] [] ext4_fill_super+0x7dd7/0xa2df [ 2292.983183] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2293.002680] [] ? vsnprintf+0x1a0/0xa32 [ 2293.020117] [] ? pointer+0x7a9/0x7a9 [ 2293.034638] [] ? set_bdev_super+0x15d/0x15d [ 2293.051799] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2293.071733] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2293.093587] [] ? scnprintf+0xf3/0xf3 [ 2293.109111] [] mount_bdev+0x3cf/0x602 [ 2293.123470] [] ? mount_bdev+0x3cf/0x602 [ 2293.139182] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2293.160826] [] ext4_mount+0x3c/0x3e [ 2293.177217] [] mount_fs+0xd0/0x2ca [ 2293.193008] [] vfs_kern_mount+0xa0/0x20a [ 2293.210217] [] do_mount+0x11fe/0x19df [ 2293.228427] [] ? kasan_kmalloc+0x94/0xa3 [ 2293.243491] [] ? copy_mount_string+0x3d/0x3d [ 2293.263848] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2293.283372] [] ? __check_object_size+0x1e1/0x2b8 [ 2293.301315] [] ? 0xffffffffb1c002b8 [ 2293.317690] [] ? copy_mount_options+0x23d/0x24d [ 2293.337333] [] SyS_mount+0xa3/0xda [ 2293.352584] [] mount_block_root+0x2fc/0x650 [ 2293.370582] [] ? init_rootfs+0x99/0x99 [ 2293.387559] [] ? security_file_ioctl+0xa5/0xb4 [ 2293.406919] [] ? SyS_mknod+0x2f/0x36 [ 2293.420657] [] mount_root+0x45/0x48 [ 2293.437925] [] prepare_namespace+0x1cf/0x235 [ 2293.453648] [] kernel_init_freeable+0x4fa/0x518 [ 2293.472863] [] kernel_init+0x16/0x181 [ 2293.490104] [] ret_from_fork+0x1f/0x40 [ 2293.505200] [] ? rest_init+0x8f/0x8f [ 2293.522069] ================================================================================ [ 2293.549509] ================================================================================ [ 2293.575248] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1779:1 [ 2293.594712] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2293.623291] which requires 64 byte alignment [ 2293.634693] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2293.652707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2293.679198] 00000000ffffffff 00000000b1a89c60 ffff88005c9df520 ffffffffb26ec5cc [ 2293.701816] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2293.722275] ffff880000000010 ffff88005c9df548 ffff88005c9df4f8 ffffffffb363c3e0 [ 2293.744297] Call Trace: [ 2293.752002] [] dump_stack+0xd7/0x132 [ 2293.841768] [] ? arch_local_irq_restore+0x1b/0x1b [ 2293.860975] [] ubsan_epilogue+0x12/0x53 [ 2293.880021] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2293.903646] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2293.926760] [] ext4_num_base_meta_clusters+0xa2/0x287 [ 2293.945548] [] ? ext4_free_clusters_after_init+0x68/0x36b [ 2293.967068] [] ext4_free_clusters_after_init+0x7a/0x36b [ 2293.984178] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2294.002507] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2294.019919] [] ? ext4_get_group_desc+0x353/0x365 [ 2294.040700] [] ext4_mb_init+0xfcd/0x1242 [ 2294.057600] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2294.079681] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2294.096734] [] ext4_fill_super+0x7dd7/0xa2df [ 2294.113985] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2294.135922] [] ? vsnprintf+0x1a0/0xa32 [ 2294.154878] [] ? pointer+0x7a9/0x7a9 [ 2294.169162] [] ? set_bdev_super+0x15d/0x15d [ 2294.189796] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2294.210018] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2294.229848] [] ? scnprintf+0xf3/0xf3 [ 2294.241948] [] mount_bdev+0x3cf/0x602 [ 2294.258873] [] ? mount_bdev+0x3cf/0x602 [ 2294.272870] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2294.292135] [] ext4_mount+0x3c/0x3e [ 2294.309034] [] mount_fs+0xd0/0x2ca [ 2294.322179] [] vfs_kern_mount+0xa0/0x20a [ 2294.338856] [] do_mount+0x11fe/0x19df [ 2294.355709] [] ? kasan_kmalloc+0x94/0xa3 [ 2294.374096] [] ? copy_mount_string+0x3d/0x3d [ 2294.391564] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2294.413966] [] ? __check_object_size+0x1e1/0x2b8 [ 2294.431352] [] ? 0xffffffffb1c002b8 [ 2294.446893] [] ? copy_mount_options+0x23d/0x24d [ 2294.466570] [] SyS_mount+0xa3/0xda [ 2294.478937] [] mount_block_root+0x2fc/0x650 [ 2294.495659] [] ? init_rootfs+0x99/0x99 [ 2294.511917] [] ? security_file_ioctl+0xa5/0xb4 [ 2294.529024] [] ? SyS_mknod+0x2f/0x36 [ 2294.544229] [] mount_root+0x45/0x48 [ 2294.564017] [] prepare_namespace+0x1cf/0x235 [ 2294.586865] [] kernel_init_freeable+0x4fa/0x518 [ 2294.606544] [] kernel_init+0x16/0x181 [ 2294.622109] [] ret_from_fork+0x1f/0x40 [ 2294.640231] [] ? rest_init+0x8f/0x8f [ 2294.658470] ================================================================================ [ 2294.685021] ================================================================================ [ 2294.710819] UBSAN: Undefined behaviour in fs/ext4/balloc.c:839:11 [ 2294.731114] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2294.761321] which requires 64 byte alignment [ 2294.774540] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2294.793619] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2294.825249] 00000000ffffffff 00000000b1a89c60 ffff88005c9df520 ffffffffb26ec5cc [ 2294.852378] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2294.875499] ffff880000000010 ffff88005c9df548 ffff88005c9df4f8 ffffffffb363c3e0 [ 2294.901853] Call Trace: [ 2294.910893] [] dump_stack+0xd7/0x132 [ 2294.924486] [] ? arch_local_irq_restore+0x1b/0x1b [ 2294.943736] [] ubsan_epilogue+0x12/0x53 [ 2294.961695] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2294.982778] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2295.006157] [] ? ext4_bg_num_gdb+0x419/0x429 [ 2295.023598] [] ext4_num_base_meta_clusters+0x1bd/0x287 [ 2295.046516] [] ? ext4_free_clusters_after_init+0x68/0x36b [ 2295.067215] [] ext4_free_clusters_after_init+0x7a/0x36b [ 2295.088636] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2295.109301] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2295.128228] [] ? ext4_get_group_desc+0x353/0x365 [ 2295.146076] [] ext4_mb_init+0xfcd/0x1242 [ 2295.162708] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2295.181912] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2295.198230] [] ext4_fill_super+0x7dd7/0xa2df [ 2295.216925] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2295.239038] [] ? vsnprintf+0x1a0/0xa32 [ 2295.258061] [] ? pointer+0x7a9/0x7a9 [ 2295.273508] [] ? set_bdev_super+0x15d/0x15d [ 2295.290788] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2295.313061] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2295.335921] [] ? scnprintf+0xf3/0xf3 [ 2295.351979] [] mount_bdev+0x3cf/0x602 [ 2295.368781] [] ? mount_bdev+0x3cf/0x602 [ 2295.388323] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2295.405834] [] ext4_mount+0x3c/0x3e [ 2295.421451] [] mount_fs+0xd0/0x2ca [ 2295.437814] [] vfs_kern_mount+0xa0/0x20a [ 2295.455130] [] do_mount+0x11fe/0x19df [ 2295.471551] [] ? kasan_kmalloc+0x94/0xa3 [ 2295.487250] [] ? copy_mount_string+0x3d/0x3d [ 2295.503725] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2295.520599] [] ? __check_object_size+0x1e1/0x2b8 [ 2295.540476] [] ? 0xffffffffb1c002b8 [ 2295.554437] [] ? copy_mount_options+0x23d/0x24d [ 2295.574715] [] SyS_mount+0xa3/0xda [ 2295.589967] [] mount_block_root+0x2fc/0x650 [ 2295.609613] [] ? init_rootfs+0x99/0x99 [ 2295.627818] [] ? security_file_ioctl+0xa5/0xb4 [ 2295.644647] [] ? SyS_mknod+0x2f/0x36 [ 2295.661908] [] mount_root+0x45/0x48 [ 2295.678503] [] prepare_namespace+0x1cf/0x235 [ 2295.694872] [] kernel_init_freeable+0x4fa/0x518 [ 2295.711594] [] kernel_init+0x16/0x181 [ 2295.728380] [] ret_from_fork+0x1f/0x40 [ 2295.742841] [] ? rest_init+0x8f/0x8f [ 2295.759896] ================================================================================ [ 2295.786543] ================================================================================ [ 2295.811179] UBSAN: Undefined behaviour in fs/ext4/balloc.c:844:9 [ 2295.826737] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2295.852308] which requires 64 byte alignment [ 2295.864986] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2295.886007] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2295.913869] 00000000ffffffff 00000000b1a89c60 ffff88005c9df520 ffffffffb26ec5cc [ 2295.937337] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2295.960084] ffff880000000010 ffff88005c9df548 ffff88005c9df4f8 ffffffffb363c3e0 [ 2295.980237] Call Trace: [ 2295.990125] [] dump_stack+0xd7/0x132 [ 2296.002584] [] ? arch_local_irq_restore+0x1b/0x1b [ 2296.019678] [] ubsan_epilogue+0x12/0x53 [ 2296.038884] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2296.060656] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2296.081457] [] ? ext4_bg_num_gdb+0x419/0x429 [ 2296.099013] [] ext4_num_base_meta_clusters+0x21e/0x287 [ 2296.121600] [] ? ext4_free_clusters_after_init+0x68/0x36b [ 2296.144129] [] ext4_free_clusters_after_init+0x7a/0x36b [ 2296.163135] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2296.183667] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2296.210936] [] ? ext4_get_group_desc+0x353/0x365 [ 2296.230575] [] ext4_mb_init+0xfcd/0x1242 [ 2296.246791] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2296.266005] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2296.285938] [] ext4_fill_super+0x7dd7/0xa2df [ 2296.304334] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2296.323670] [] ? vsnprintf+0x1a0/0xa32 [ 2296.341461] [] ? pointer+0x7a9/0x7a9 [ 2296.359552] [] ? set_bdev_super+0x15d/0x15d [ 2296.377289] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2296.397598] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2296.420252] [] ? scnprintf+0xf3/0xf3 [ 2296.437194] [] mount_bdev+0x3cf/0x602 [ 2296.450995] [] ? mount_bdev+0x3cf/0x602 [ 2296.468651] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2296.490427] [] ext4_mount+0x3c/0x3e [ 2296.507147] [] mount_fs+0xd0/0x2ca [ 2296.523526] [] vfs_kern_mount+0xa0/0x20a [ 2296.540525] [] do_mount+0x11fe/0x19df [ 2296.558874] [] ? kasan_kmalloc+0x94/0xa3 [ 2296.576823] [] ? copy_mount_string+0x3d/0x3d [ 2296.593210] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2296.612225] [] ? __check_object_size+0x1e1/0x2b8 [ 2296.632889] [] ? 0xffffffffb1c002b8 [ 2296.648122] [] ? copy_mount_options+0x23d/0x24d [ 2296.668689] [] SyS_mount+0xa3/0xda [ 2296.683184] [] mount_block_root+0x2fc/0x650 [ 2296.698948] [] ? init_rootfs+0x99/0x99 [ 2296.715454] [] ? security_file_ioctl+0xa5/0xb4 [ 2296.736512] [] ? SyS_mknod+0x2f/0x36 [ 2296.751629] [] mount_root+0x45/0x48 [ 2296.765950] [] prepare_namespace+0x1cf/0x235 [ 2296.783781] [] kernel_init_freeable+0x4fa/0x518 [ 2296.800659] [] kernel_init+0x16/0x181 [ 2296.819240] [] ret_from_fork+0x1f/0x40 [ 2296.837500] [] ? rest_init+0x8f/0x8f [ 2296.852391] ================================================================================ [ 2296.879040] ================================================================================ [ 2296.903523] UBSAN: Undefined behaviour in fs/ext4/balloc.c:844:9 [ 2296.922201] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2296.948209] which requires 64 byte alignment [ 2296.959994] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2296.975622] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2297.001943] 00000000ffffffff 00000000b1a89c60 ffff88005c9df520 ffffffffb26ec5cc [ 2297.022942] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2297.051892] ffff880000000010 ffff88005c9df548 ffff88005c9df4f8 ffffffffb363c3e0 [ 2297.072786] Call Trace: [ 2297.080003] [] dump_stack+0xd7/0x132 [ 2297.096500] [] ? arch_local_irq_restore+0x1b/0x1b [ 2297.118830] [] ubsan_epilogue+0x12/0x53 [ 2297.135206] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2297.156381] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2297.177146] [] ? ext4_bg_num_gdb+0x419/0x429 [ 2297.196258] [] ext4_num_base_meta_clusters+0x248/0x287 [ 2297.214665] [] ? ext4_free_clusters_after_init+0x68/0x36b [ 2297.236464] [] ext4_free_clusters_after_init+0x7a/0x36b [ 2297.259111] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2297.279792] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2297.298473] [] ? ext4_get_group_desc+0x353/0x365 [ 2297.317932] [] ext4_mb_init+0xfcd/0x1242 [ 2297.335865] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2297.356238] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2297.375807] [] ext4_fill_super+0x7dd7/0xa2df [ 2297.397127] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2297.419335] [] ? vsnprintf+0x1a0/0xa32 [ 2297.435076] [] ? pointer+0x7a9/0x7a9 [ 2297.448329] [] ? set_bdev_super+0x15d/0x15d [ 2297.466235] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2297.489070] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2297.515814] [] ? scnprintf+0xf3/0xf3 [ 2297.531884] [] mount_bdev+0x3cf/0x602 [ 2297.549555] [] ? mount_bdev+0x3cf/0x602 [ 2297.564977] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2297.586321] [] ext4_mount+0x3c/0x3e [ 2297.599917] [] mount_fs+0xd0/0x2ca [ 2297.617002] [] vfs_kern_mount+0xa0/0x20a [ 2297.632511] [] do_mount+0x11fe/0x19df [ 2297.649963] [] ? kasan_kmalloc+0x94/0xa3 [ 2297.666378] [] ? copy_mount_string+0x3d/0x3d [ 2297.686311] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2297.704848] [] ? __check_object_size+0x1e1/0x2b8 [ 2297.722897] [] ? 0xffffffffb1c002b8 [ 2297.740925] [] ? copy_mount_options+0x23d/0x24d [ 2297.761977] [] SyS_mount+0xa3/0xda [ 2297.777853] [] mount_block_root+0x2fc/0x650 [ 2297.793476] [] ? init_rootfs+0x99/0x99 [ 2297.810017] [] ? security_file_ioctl+0xa5/0xb4 [ 2297.829857] [] ? SyS_mknod+0x2f/0x36 [ 2297.843626] [] mount_root+0x45/0x48 [ 2297.859462] [] prepare_namespace+0x1cf/0x235 [ 2297.877329] [] kernel_init_freeable+0x4fa/0x518 [ 2297.894607] [] kernel_init+0x16/0x181 [ 2297.911567] [] ret_from_fork+0x1f/0x40 [ 2297.925676] [] ? rest_init+0x8f/0x8f [ 2297.942476] ================================================================================ [ 2297.966733] ================================================================================ [ 2297.991318] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2298.009744] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2298.037142] which requires 64 byte alignment [ 2298.050307] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2298.067573] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2298.094990] 00000000ffffffff 00000000b1a89c60 ffff88005c9df4c8 ffffffffb26ec5cc [ 2298.119136] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2298.141904] 0000000000000010 ffff88005c9df4f0 ffff88005c9df4a0 ffffffffb363c3e0 [ 2298.163134] Call Trace: [ 2298.171498] [] dump_stack+0xd7/0x132 [ 2298.188642] [] ? arch_local_irq_restore+0x1b/0x1b [ 2298.212486] [] ubsan_epilogue+0x12/0x53 [ 2298.228158] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2298.251289] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2298.273053] [] ext4_get_group_number+0x8d/0x22e [ 2298.291761] [] ? ext4_get_group_no_and_offset+0x233/0x233 [ 2298.314984] [] ext4_free_clusters_after_init+0x93/0x36b [ 2298.336560] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2298.356598] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2298.374576] [] ? ext4_get_group_desc+0x353/0x365 [ 2298.397363] [] ext4_mb_init+0xfcd/0x1242 [ 2298.413161] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2298.433663] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2298.454062] [] ext4_fill_super+0x7dd7/0xa2df [ 2298.470815] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2298.491055] [] ? vsnprintf+0x1a0/0xa32 [ 2298.508672] [] ? pointer+0x7a9/0x7a9 [ 2298.522296] [] ? set_bdev_super+0x15d/0x15d [ 2298.541313] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2298.559702] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2298.582798] [] ? scnprintf+0xf3/0xf3 [ 2298.596139] [] mount_bdev+0x3cf/0x602 [ 2298.612034] [] ? mount_bdev+0x3cf/0x602 [ 2298.628718] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2298.649919] [] ext4_mount+0x3c/0x3e [ 2298.667055] [] mount_fs+0xd0/0x2ca [ 2298.680478] [] vfs_kern_mount+0xa0/0x20a [ 2298.697794] [] do_mount+0x11fe/0x19df [ 2298.716319] [] ? kasan_kmalloc+0x94/0xa3 [ 2298.732912] [] ? copy_mount_string+0x3d/0x3d [ 2298.750565] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2298.772869] [] ? __check_object_size+0x1e1/0x2b8 [ 2298.791868] [] ? 0xffffffffb1c002b8 [ 2298.811205] [] ? copy_mount_options+0x23d/0x24d [ 2298.828536] [] SyS_mount+0xa3/0xda [ 2298.842647] [] mount_block_root+0x2fc/0x650 [ 2298.860911] [] ? init_rootfs+0x99/0x99 [ 2298.878590] [] ? security_file_ioctl+0xa5/0xb4 [ 2298.897866] [] ? SyS_mknod+0x2f/0x36 [ 2298.913338] [] mount_root+0x45/0x48 [ 2298.930665] [] prepare_namespace+0x1cf/0x235 [ 2298.947104] [] kernel_init_freeable+0x4fa/0x518 [ 2298.966329] [] kernel_init+0x16/0x181 [ 2298.982515] [] ret_from_fork+0x1f/0x40 [ 2298.998680] [] ? rest_init+0x8f/0x8f [ 2299.013696] ================================================================================ [ 2299.039386] ================================================================================ [ 2299.066097] UBSAN: Undefined behaviour in fs/ext4/balloc.c:39:6 [ 2299.083425] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2299.106975] which requires 64 byte alignment [ 2299.118707] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2299.137834] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2299.164638] 00000000ffffffff 00000000b1a89c60 ffff88005c9df4c8 ffffffffb26ec5cc [ 2299.188060] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2299.212273] ffffffff00000010 ffff88005c9df4f0 ffff88005c9df4a0 ffffffffb363c3e0 [ 2299.234694] Call Trace: [ 2299.241540] [] dump_stack+0xd7/0x132 [ 2299.258666] [] ? arch_local_irq_restore+0x1b/0x1b [ 2299.279266] [] ubsan_epilogue+0x12/0x53 [ 2299.297287] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2299.319437] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2299.341381] [] ext4_get_group_number+0xba/0x22e [ 2299.362265] [] ? ext4_get_group_no_and_offset+0x233/0x233 [ 2299.383006] [] ext4_free_clusters_after_init+0x93/0x36b [ 2299.400804] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2299.421142] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2299.442354] [] ? ext4_get_group_desc+0x353/0x365 [ 2299.463150] [] ext4_mb_init+0xfcd/0x1242 [ 2299.479472] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2299.499168] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2299.520664] [] ext4_fill_super+0x7dd7/0xa2df [ 2299.537890] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2299.554474] [] ? vsnprintf+0x1a0/0xa32 [ 2299.569468] [] ? pointer+0x7a9/0x7a9 [ 2299.581738] [] ? set_bdev_super+0x15d/0x15d [ 2299.598763] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2299.623167] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2299.644876] [] ? scnprintf+0xf3/0xf3 [ 2299.661031] [] mount_bdev+0x3cf/0x602 [ 2299.679707] [] ? mount_bdev+0x3cf/0x602 [ 2299.694868] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2299.716755] [] ext4_mount+0x3c/0x3e [ 2299.731660] [] mount_fs+0xd0/0x2ca [ 2299.746070] [] vfs_kern_mount+0xa0/0x20a [ 2299.761435] [] do_mount+0x11fe/0x19df [ 2299.778825] [] ? kasan_kmalloc+0x94/0xa3 [ 2299.793943] [] ? copy_mount_string+0x3d/0x3d [ 2299.811539] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2299.830379] [] ? __check_object_size+0x1e1/0x2b8 [ 2299.850121] [] ? 0xffffffffb1c002b8 [ 2299.864686] [] ? copy_mount_options+0x23d/0x24d [ 2299.882464] [] SyS_mount+0xa3/0xda [ 2299.896054] [] mount_block_root+0x2fc/0x650 [ 2299.914408] [] ? init_rootfs+0x99/0x99 [ 2299.932633] [] ? security_file_ioctl+0xa5/0xb4 [ 2299.950525] [] ? SyS_mknod+0x2f/0x36 [ 2299.969124] [] mount_root+0x45/0x48 [ 2299.986832] [] prepare_namespace+0x1cf/0x235 [ 2300.007162] [] kernel_init_freeable+0x4fa/0x518 [ 2300.021930] [] kernel_init+0x16/0x181 [ 2300.041118] [] ret_from_fork+0x1f/0x40 [ 2300.058277] [] ? rest_init+0x8f/0x8f [ 2300.072844] ================================================================================ [ 2300.096967] ================================================================================ [ 2300.120238] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2300.139144] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2300.199221] which requires 64 byte alignment [ 2300.248839] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2300.279083] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2300.318366] 00000000ffffffff 00000000b1a89c60 ffff88005c9df4c8 ffffffffb26ec5cc [ 2300.340705] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2300.363401] ffffffff00000010 ffff88005c9df4f0 ffff88005c9df4a0 ffffffffb363c3e0 [ 2300.382936] Call Trace: [ 2300.390228] [] dump_stack+0xd7/0x132 [ 2300.403683] [] ? arch_local_irq_restore+0x1b/0x1b [ 2300.422253] [] ubsan_epilogue+0x12/0x53 [ 2300.439767] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2300.457123] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2300.484596] [] ext4_get_group_number+0xee/0x22e [ 2300.503630] [] ? ext4_get_group_no_and_offset+0x233/0x233 [ 2300.527285] [] ext4_free_clusters_after_init+0x93/0x36b [ 2300.546277] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2300.566017] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2300.586392] [] ? ext4_get_group_desc+0x353/0x365 [ 2300.603381] [] ext4_mb_init+0xfcd/0x1242 [ 2300.618931] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2300.638543] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2300.659691] [] ext4_fill_super+0x7dd7/0xa2df [ 2300.675922] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2300.696724] [] ? vsnprintf+0x1a0/0xa32 [ 2300.712901] [] ? pointer+0x7a9/0x7a9 [ 2300.730513] [] ? set_bdev_super+0x15d/0x15d [ 2300.748214] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2300.770152] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2300.791956] [] ? scnprintf+0xf3/0xf3 [ 2300.809355] [] mount_bdev+0x3cf/0x602 [ 2300.823062] [] ? mount_bdev+0x3cf/0x602 [ 2300.840384] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2300.861103] [] ext4_mount+0x3c/0x3e [ 2300.874708] [] mount_fs+0xd0/0x2ca [ 2300.891910] [] vfs_kern_mount+0xa0/0x20a [ 2300.907382] [] do_mount+0x11fe/0x19df [ 2300.922275] [] ? kasan_kmalloc+0x94/0xa3 [ 2300.938440] [] ? copy_mount_string+0x3d/0x3d [ 2300.954500] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2300.972338] [] ? __check_object_size+0x1e1/0x2b8 [ 2300.990300] [] ? 0xffffffffb1c002b8 [ 2301.004366] [] ? copy_mount_options+0x23d/0x24d [ 2301.020978] [] SyS_mount+0xa3/0xda [ 2301.035377] [] mount_block_root+0x2fc/0x650 [ 2301.058495] [] ? init_rootfs+0x99/0x99 [ 2301.074104] [] ? security_file_ioctl+0xa5/0xb4 [ 2301.091790] [] ? SyS_mknod+0x2f/0x36 [ 2301.105500] [] mount_root+0x45/0x48 [ 2301.118422] [] prepare_namespace+0x1cf/0x235 [ 2301.135743] [] kernel_init_freeable+0x4fa/0x518 [ 2301.154708] [] kernel_init+0x16/0x181 [ 2301.171746] [] ret_from_fork+0x1f/0x40 [ 2301.187510] [] ? rest_init+0x8f/0x8f [ 2301.199971] ================================================================================ [ 2301.223426] ================================================================================ [ 2301.253642] UBSAN: Undefined behaviour in fs/ext4/balloc.c:41:5 [ 2301.272790] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2301.301922] which requires 64 byte alignment [ 2301.315322] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2301.329901] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2301.354659] 00000000ffffffff 00000000b1a89c60 ffff88005c9df4c8 ffffffffb26ec5cc [ 2301.377040] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2301.410730] ffffffff00000010 ffff88005c9df4f0 ffff88005c9df4a0 ffffffffb363c3e0 [ 2301.431411] Call Trace: [ 2301.438457] [] dump_stack+0xd7/0x132 [ 2301.452259] [] ? arch_local_irq_restore+0x1b/0x1b [ 2301.475135] [] ubsan_epilogue+0x12/0x53 [ 2301.492327] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2301.512008] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2301.534062] [] ext4_get_group_number+0x108/0x22e [ 2301.553338] [] ? ext4_get_group_no_and_offset+0x233/0x233 [ 2301.574103] [] ext4_free_clusters_after_init+0x93/0x36b [ 2301.594108] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2301.611535] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2301.630624] [] ? ext4_get_group_desc+0x353/0x365 [ 2301.650040] [] ext4_mb_init+0xfcd/0x1242 [ 2301.669452] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2301.689492] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2301.708004] [] ext4_fill_super+0x7dd7/0xa2df [ 2301.723844] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2301.741167] [] ? vsnprintf+0x1a0/0xa32 [ 2301.755943] [] ? pointer+0x7a9/0x7a9 [ 2301.769586] [] ? set_bdev_super+0x15d/0x15d [ 2301.787686] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2301.810032] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2301.827593] [] ? scnprintf+0xf3/0xf3 [ 2301.843315] [] mount_bdev+0x3cf/0x602 [ 2301.860256] [] ? mount_bdev+0x3cf/0x602 [ 2301.873063] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2301.892755] [] ext4_mount+0x3c/0x3e [ 2301.906294] [] mount_fs+0xd0/0x2ca [ 2301.923701] [] vfs_kern_mount+0xa0/0x20a [ 2301.941999] [] do_mount+0x11fe/0x19df [ 2301.958344] [] ? kasan_kmalloc+0x94/0xa3 [ 2301.972711] [] ? copy_mount_string+0x3d/0x3d [ 2301.989590] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2302.008029] [] ? __check_object_size+0x1e1/0x2b8 [ 2302.023423] [] ? 0xffffffffb1c002b8 [ 2302.036851] [] ? copy_mount_options+0x23d/0x24d [ 2302.059591] [] SyS_mount+0xa3/0xda [ 2302.073339] [] mount_block_root+0x2fc/0x650 [ 2302.092603] [] ? init_rootfs+0x99/0x99 [ 2302.113525] [] ? security_file_ioctl+0xa5/0xb4 [ 2302.131905] [] ? SyS_mknod+0x2f/0x36 [ 2302.148334] [] mount_root+0x45/0x48 [ 2302.166136] [] prepare_namespace+0x1cf/0x235 [ 2302.186190] [] kernel_init_freeable+0x4fa/0x518 [ 2302.205990] [] kernel_init+0x16/0x181 [ 2302.222104] [] ret_from_fork+0x1f/0x40 [ 2302.242941] [] ? rest_init+0x8f/0x8f [ 2302.261749] ================================================================================ [ 2302.288374] ================================================================================ [ 2302.315277] UBSAN: Undefined behaviour in fs/ext4/balloc.c:42:5 [ 2302.335911] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2302.367119] which requires 64 byte alignment [ 2302.378020] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2302.396456] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2302.431212] 00000000ffffffff 00000000b1a89c60 ffff88005c9df4c8 ffffffffb26ec5cc [ 2302.458434] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2302.483209] ffffffff00000010 ffff88005c9df4f0 ffff88005c9df4a0 ffffffffb363c3e0 [ 2302.509703] Call Trace: [ 2302.516885] [] dump_stack+0xd7/0x132 [ 2302.534823] [] ? arch_local_irq_restore+0x1b/0x1b [ 2302.557038] [] ubsan_epilogue+0x12/0x53 [ 2302.576307] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2302.602070] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2302.626028] [] ext4_get_group_number+0x15a/0x22e [ 2302.645632] [] ? ext4_get_group_no_and_offset+0x233/0x233 [ 2302.669936] [] ext4_free_clusters_after_init+0x93/0x36b [ 2302.690874] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2302.713164] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2302.735542] [] ? ext4_get_group_desc+0x353/0x365 [ 2302.755868] [] ext4_mb_init+0xfcd/0x1242 [ 2302.776102] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2302.795204] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2302.816426] [] ext4_fill_super+0x7dd7/0xa2df [ 2302.845311] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2302.888112] [] ? vsnprintf+0x1a0/0xa32 [ 2302.902931] [] ? pointer+0x7a9/0x7a9 [ 2302.920992] [] ? set_bdev_super+0x15d/0x15d [ 2302.941939] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2302.967350] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2302.994787] [] ? scnprintf+0xf3/0xf3 [ 2303.016115] [] mount_bdev+0x3cf/0x602 [ 2303.038310] [] ? mount_bdev+0x3cf/0x602 [ 2303.065800] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2303.096399] [] ext4_mount+0x3c/0x3e [ 2303.115573] [] mount_fs+0xd0/0x2ca [ 2303.138495] [] vfs_kern_mount+0xa0/0x20a [ 2303.157977] [] do_mount+0x11fe/0x19df [ 2303.180648] [] ? kasan_kmalloc+0x94/0xa3 [ 2303.196590] [] ? copy_mount_string+0x3d/0x3d [ 2303.216609] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2303.243784] [] ? __check_object_size+0x1e1/0x2b8 [ 2303.264108] [] ? 0xffffffffb1c002b8 [ 2303.280372] [] ? copy_mount_options+0x23d/0x24d [ 2303.297227] [] SyS_mount+0xa3/0xda [ 2303.314993] [] mount_block_root+0x2fc/0x650 [ 2303.336108] [] ? init_rootfs+0x99/0x99 [ 2303.356374] [] ? security_file_ioctl+0xa5/0xb4 [ 2303.374302] [] ? SyS_mknod+0x2f/0x36 [ 2303.390478] [] mount_root+0x45/0x48 [ 2303.403228] [] prepare_namespace+0x1cf/0x235 [ 2303.424002] [] kernel_init_freeable+0x4fa/0x518 [ 2303.450736] [] kernel_init+0x16/0x181 [ 2303.467551] [] ret_from_fork+0x1f/0x40 [ 2303.486552] [] ? rest_init+0x8f/0x8f [ 2303.504244] ================================================================================ [ 2303.532518] ================================================================================ [ 2303.562529] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2303.582646] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2303.609285] which requires 64 byte alignment [ 2303.625619] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2303.650932] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2303.681592] 00000000ffffffff 00000000b1a89c60 ffff88005c9df4c8 ffffffffb26ec5cc [ 2303.706437] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2303.731715] ffffffff00000010 ffff88005c9df4f0 ffff88005c9df4a0 ffffffffb363c3e0 [ 2303.760647] Call Trace: [ 2303.770072] [] dump_stack+0xd7/0x132 [ 2303.788274] [] ? arch_local_irq_restore+0x1b/0x1b [ 2303.810519] [] ubsan_epilogue+0x12/0x53 [ 2303.827112] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2303.853168] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2303.883009] [] ext4_get_group_number+0x181/0x22e [ 2303.902227] [] ? ext4_get_group_no_and_offset+0x233/0x233 [ 2303.925196] [] ext4_free_clusters_after_init+0x93/0x36b [ 2303.951857] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2303.970998] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2303.992243] [] ? ext4_get_group_desc+0x353/0x365 [ 2304.011705] [] ext4_mb_init+0xfcd/0x1242 [ 2304.029364] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2304.051340] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2304.074831] [] ext4_fill_super+0x7dd7/0xa2df [ 2304.093841] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2304.114316] [] ? vsnprintf+0x1a0/0xa32 [ 2304.130207] [] ? pointer+0x7a9/0x7a9 [ 2304.149899] [] ? set_bdev_super+0x15d/0x15d [ 2304.168665] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2304.192167] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2304.214583] [] ? scnprintf+0xf3/0xf3 [ 2304.231202] [] mount_bdev+0x3cf/0x602 [ 2304.252526] [] ? mount_bdev+0x3cf/0x602 [ 2304.271186] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2304.294037] [] ext4_mount+0x3c/0x3e [ 2304.310459] [] mount_fs+0xd0/0x2ca [ 2304.327221] [] vfs_kern_mount+0xa0/0x20a [ 2304.342893] [] do_mount+0x11fe/0x19df [ 2304.360601] [] ? kasan_kmalloc+0x94/0xa3 [ 2304.377822] [] ? copy_mount_string+0x3d/0x3d [ 2304.395433] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2304.417367] [] ? __check_object_size+0x1e1/0x2b8 [ 2304.437416] [] ? 0xffffffffb1c002b8 [ 2304.453826] [] ? copy_mount_options+0x23d/0x24d [ 2304.472696] [] SyS_mount+0xa3/0xda [ 2304.488859] [] mount_block_root+0x2fc/0x650 [ 2304.505310] [] ? init_rootfs+0x99/0x99 [ 2304.519156] [] ? security_file_ioctl+0xa5/0xb4 [ 2304.537107] [] ? SyS_mknod+0x2f/0x36 [ 2304.553380] [] mount_root+0x45/0x48 [ 2304.572358] [] prepare_namespace+0x1cf/0x235 [ 2304.589502] [] kernel_init_freeable+0x4fa/0x518 [ 2304.609425] [] kernel_init+0x16/0x181 [ 2304.627120] [] ret_from_fork+0x1f/0x40 [ 2304.642758] [] ? rest_init+0x8f/0x8f [ 2304.659167] ================================================================================ [ 2304.685990] ================================================================================ [ 2304.721574] UBSAN: Undefined behaviour in fs/ext4/balloc.c:42:32 [ 2304.740838] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2304.773170] which requires 64 byte alignment [ 2304.784428] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2304.803015] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2304.833136] 00000000ffffffff 00000000b1a89c60 ffff88005c9df4c8 ffffffffb26ec5cc [ 2304.855447] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2304.876156] ffffffff00000010 ffff88005c9df4f0 ffff88005c9df4a0 ffffffffb363c3e0 [ 2304.898979] Call Trace: [ 2304.907951] [] dump_stack+0xd7/0x132 [ 2304.922928] [] ? arch_local_irq_restore+0x1b/0x1b [ 2304.943740] [] ubsan_epilogue+0x12/0x53 [ 2304.962881] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2304.984383] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2305.007794] [] ext4_get_group_number+0x19b/0x22e [ 2305.028825] [] ? ext4_get_group_no_and_offset+0x233/0x233 [ 2305.049631] [] ext4_free_clusters_after_init+0x93/0x36b [ 2305.073130] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2305.095910] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2305.121608] [] ? ext4_get_group_desc+0x353/0x365 [ 2305.144862] [] ext4_mb_init+0xfcd/0x1242 [ 2305.164632] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2305.186556] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2305.208427] [] ext4_fill_super+0x7dd7/0xa2df [ 2305.228260] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2305.251349] [] ? vsnprintf+0x1a0/0xa32 [ 2305.271308] [] ? pointer+0x7a9/0x7a9 [ 2305.289914] [] ? set_bdev_super+0x15d/0x15d [ 2305.309179] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2305.328160] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2305.351848] [] ? scnprintf+0xf3/0xf3 [ 2305.373306] [] mount_bdev+0x3cf/0x602 [ 2305.391855] [] ? mount_bdev+0x3cf/0x602 [ 2305.411897] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2305.432995] [] ext4_mount+0x3c/0x3e [ 2305.450275] [] mount_fs+0xd0/0x2ca [ 2305.467957] [] vfs_kern_mount+0xa0/0x20a [ 2305.488660] [] do_mount+0x11fe/0x19df [ 2305.508017] [] ? kasan_kmalloc+0x94/0xa3 [ 2305.524873] [] ? copy_mount_string+0x3d/0x3d [ 2305.542046] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2305.564414] [] ? __check_object_size+0x1e1/0x2b8 [ 2305.585178] [] ? 0xffffffffb1c002b8 [ 2305.602615] [] ? copy_mount_options+0x23d/0x24d [ 2305.623308] [] SyS_mount+0xa3/0xda [ 2305.643153] [] mount_block_root+0x2fc/0x650 [ 2305.662313] [] ? init_rootfs+0x99/0x99 [ 2305.679045] [] ? security_file_ioctl+0xa5/0xb4 [ 2305.697109] [] ? SyS_mknod+0x2f/0x36 [ 2305.716381] [] mount_root+0x45/0x48 [ 2305.735441] [] prepare_namespace+0x1cf/0x235 [ 2305.754691] [] kernel_init_freeable+0x4fa/0x518 [ 2305.776162] [] kernel_init+0x16/0x181 [ 2305.794508] [] ret_from_fork+0x1f/0x40 [ 2305.811690] [] ? rest_init+0x8f/0x8f [ 2305.827405] ================================================================================ [ 2305.852817] ================================================================================ [ 2305.880751] UBSAN: Undefined behaviour in fs/ext4/balloc.c:135:21 [ 2305.902389] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2305.937225] which requires 64 byte alignment [ 2305.955163] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2305.971437] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2306.003258] 00000000ffffffff 00000000b1a89c60 ffff88005c9df560 ffffffffb26ec5cc [ 2306.024407] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2306.045064] 0000000000000010 ffff88005c9df588 ffff88005c9df538 ffffffffb363c3e0 [ 2306.069435] Call Trace: [ 2306.074987] [] dump_stack+0xd7/0x132 [ 2306.091961] [] ? arch_local_irq_restore+0x1b/0x1b [ 2306.109995] [] ubsan_epilogue+0x12/0x53 [ 2306.126132] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2306.148531] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2306.173215] [] ext4_free_clusters_after_init+0x23b/0x36b [ 2306.196228] [] ext4_mb_add_groupinfo+0x667/0xa6a [ 2306.215888] [] ? ext4_mb_alloc_groupinfo+0x30e/0x30e [ 2306.236722] [] ? ext4_get_group_desc+0x353/0x365 [ 2306.260640] [] ext4_mb_init+0xfcd/0x1242 [ 2306.280653] [] ? ext4_mb_add_groupinfo+0xa6a/0xa6a [ 2306.303645] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 2306.325958] [] ext4_fill_super+0x7dd7/0xa2df [ 2306.342769] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2306.363950] [] ? vsnprintf+0x1a0/0xa32 [ 2306.380541] [] ? pointer+0x7a9/0x7a9 [ 2306.396537] [] ? set_bdev_super+0x15d/0x15d [ 2306.415579] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2306.436406] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2306.461277] [] ? scnprintf+0xf3/0xf3 [ 2306.475177] [] mount_bdev+0x3cf/0x602 [ 2306.493337] [] ? mount_bdev+0x3cf/0x602 [ 2306.508272] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2306.528161] [] ext4_mount+0x3c/0x3e [ 2306.542162] [] mount_fs+0xd0/0x2ca [ 2306.556940] [] vfs_kern_mount+0xa0/0x20a [ 2306.573549] [] do_mount+0x11fe/0x19df [ 2306.590818] [] ? kasan_kmalloc+0x94/0xa3 [ 2306.606335] [] ? copy_mount_string+0x3d/0x3d [ 2306.621571] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2306.639789] [] ? __check_object_size+0x1e1/0x2b8 [ 2306.660273] [] ? 0xffffffffb1c002b8 [ 2306.674073] [] ? copy_mount_options+0x23d/0x24d [ 2306.697001] [] SyS_mount+0xa3/0xda [ 2306.711898] [] mount_block_root+0x2fc/0x650 [ 2306.733882] [] ? init_rootfs+0x99/0x99 [ 2306.754081] [] ? security_file_ioctl+0xa5/0xb4 [ 2306.776572] [] ? SyS_mknod+0x2f/0x36 [ 2306.794493] [] mount_root+0x45/0x48 [ 2306.811605] [] prepare_namespace+0x1cf/0x235 [ 2306.829293] [] kernel_init_freeable+0x4fa/0x518 [ 2306.844687] [] kernel_init+0x16/0x181 [ 2306.860440] [] ret_from_fork+0x1f/0x40 [ 2306.874614] [] ? rest_init+0x8f/0x8f [ 2306.889516] ================================================================================ [ 2306.920379] ================================================================================ [ 2306.944943] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2306.961619] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2306.984263] which requires 64 byte alignment [ 2306.995666] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2307.011658] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2307.036952] 00000000ffffffff 00000000b1a89c60 ffff88005c9df728 ffffffffb26ec5cc [ 2307.059191] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2307.079452] 0000000000000010 ffff88005c9df750 ffff88005c9df700 ffffffffb363c3e0 [ 2307.102403] Call Trace: [ 2307.110902] [] dump_stack+0xd7/0x132 [ 2307.124296] [] ? arch_local_irq_restore+0x1b/0x1b [ 2307.142292] [] ubsan_epilogue+0x12/0x53 [ 2307.159160] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2307.176088] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2307.195813] [] ext4_count_free_clusters+0x37/0x196 [ 2307.213057] [] ext4_fill_super+0x7e14/0xa2df [ 2307.232554] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2307.250625] [] ? vsnprintf+0x1a0/0xa32 [ 2307.265463] [] ? pointer+0x7a9/0x7a9 [ 2307.280837] [] ? set_bdev_super+0x15d/0x15d [ 2307.294506] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2307.314198] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2307.336392] [] ? scnprintf+0xf3/0xf3 [ 2307.353388] [] mount_bdev+0x3cf/0x602 [ 2307.369072] [] ? mount_bdev+0x3cf/0x602 [ 2307.387924] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2307.406739] [] ext4_mount+0x3c/0x3e [ 2307.421588] [] mount_fs+0xd0/0x2ca [ 2307.435439] [] vfs_kern_mount+0xa0/0x20a [ 2307.453016] [] do_mount+0x11fe/0x19df [ 2307.468694] [] ? kasan_kmalloc+0x94/0xa3 [ 2307.483542] [] ? copy_mount_string+0x3d/0x3d [ 2307.503259] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2307.522106] [] ? __check_object_size+0x1e1/0x2b8 [ 2307.538864] [] ? 0xffffffffb1c002b8 [ 2307.552801] [] ? copy_mount_options+0x23d/0x24d [ 2307.571659] [] SyS_mount+0xa3/0xda [ 2307.587663] [] mount_block_root+0x2fc/0x650 [ 2307.615257] [] ? init_rootfs+0x99/0x99 [ 2307.634141] [] ? security_file_ioctl+0xa5/0xb4 [ 2307.652810] [] ? SyS_mknod+0x2f/0x36 [ 2307.667018] [] mount_root+0x45/0x48 [ 2307.682036] [] prepare_namespace+0x1cf/0x235 [ 2307.700802] [] kernel_init_freeable+0x4fa/0x518 [ 2307.717059] [] kernel_init+0x16/0x181 [ 2307.734118] [] ret_from_fork+0x1f/0x40 [ 2307.751166] [] ? rest_init+0x8f/0x8f [ 2307.764823] ================================================================================ [ 2307.789291] ================================================================================ [ 2307.826455] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2827:15 [ 2307.846292] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2307.873226] which requires 64 byte alignment [ 2307.888666] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2307.905067] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2307.931263] 00000000ffffffff 00000000b1a89c60 ffff88005c9df728 ffffffffb26ec5cc [ 2307.955936] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2307.974715] ffffffff00000010 ffff88005c9df750 ffff88005c9df700 ffffffffb363c3e0 [ 2307.998609] Call Trace: [ 2308.008358] [] dump_stack+0xd7/0x132 [ 2308.023162] [] ? arch_local_irq_restore+0x1b/0x1b [ 2308.042224] [] ubsan_epilogue+0x12/0x53 [ 2308.066853] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2308.087365] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2308.108724] [] ext4_count_free_clusters+0x6b/0x196 [ 2308.127521] [] ext4_fill_super+0x7e14/0xa2df [ 2308.146394] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2308.163885] [] ? vsnprintf+0x1a0/0xa32 [ 2308.181882] [] ? pointer+0x7a9/0x7a9 [ 2308.199301] [] ? set_bdev_super+0x15d/0x15d [ 2308.216031] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2308.235318] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2308.257228] [] ? scnprintf+0xf3/0xf3 [ 2308.271902] [] mount_bdev+0x3cf/0x602 [ 2308.288315] [] ? mount_bdev+0x3cf/0x602 [ 2308.306401] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2308.324983] [] ext4_mount+0x3c/0x3e [ 2308.341457] [] mount_fs+0xd0/0x2ca [ 2308.357011] [] vfs_kern_mount+0xa0/0x20a [ 2308.374804] [] do_mount+0x11fe/0x19df [ 2308.391298] [] ? kasan_kmalloc+0x94/0xa3 [ 2308.409394] [] ? copy_mount_string+0x3d/0x3d [ 2308.426637] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2308.450667] [] ? __check_object_size+0x1e1/0x2b8 [ 2308.471556] [] ? 0xffffffffb1c002b8 [ 2308.489510] [] ? copy_mount_options+0x23d/0x24d [ 2308.509283] [] SyS_mount+0xa3/0xda [ 2308.529539] [] mount_block_root+0x2fc/0x650 [ 2308.549682] [] ? init_rootfs+0x99/0x99 [ 2308.571882] [] ? security_file_ioctl+0xa5/0xb4 [ 2308.603020] [] ? SyS_mknod+0x2f/0x36 [ 2308.625003] [] mount_root+0x45/0x48 [ 2308.641937] [] prepare_namespace+0x1cf/0x235 [ 2308.663322] [] kernel_init_freeable+0x4fa/0x518 [ 2308.685468] [] kernel_init+0x16/0x181 [ 2308.703631] [] ret_from_fork+0x1f/0x40 [ 2308.720429] [] ? rest_init+0x8f/0x8f [ 2308.740643] ================================================================================ [ 2308.768913] ================================================================================ [ 2308.803871] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2308.827169] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2308.865484] which requires 64 byte alignment [ 2308.880025] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2308.903738] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2308.934851] 00000000ffffffff 00000000b1a89c60 ffff88005c9df728 ffffffffb26ec5cc [ 2308.958950] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2308.985366] 0000000000000010 ffff88005c9df750 ffff88005c9df700 ffffffffb363c3e0 [ 2309.010289] Call Trace: [ 2309.018323] [] dump_stack+0xd7/0x132 [ 2309.031756] [] ? arch_local_irq_restore+0x1b/0x1b [ 2309.052798] [] ubsan_epilogue+0x12/0x53 [ 2309.067287] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2309.089148] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2309.113367] [] ? ext4_get_group_desc+0x353/0x365 [ 2309.131381] [] ext4_count_free_clusters+0xda/0x196 [ 2309.151892] [] ext4_fill_super+0x7e14/0xa2df [ 2309.169969] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2309.191515] [] ? vsnprintf+0x1a0/0xa32 [ 2309.207986] [] ? pointer+0x7a9/0x7a9 [ 2309.224476] [] ? set_bdev_super+0x15d/0x15d [ 2309.243296] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2309.268929] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2309.288224] [] ? scnprintf+0xf3/0xf3 [ 2309.304121] [] mount_bdev+0x3cf/0x602 [ 2309.321152] [] ? mount_bdev+0x3cf/0x602 [ 2309.340423] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2309.362147] [] ext4_mount+0x3c/0x3e [ 2309.381610] [] mount_fs+0xd0/0x2ca [ 2309.396075] [] vfs_kern_mount+0xa0/0x20a [ 2309.417327] [] do_mount+0x11fe/0x19df [ 2309.436960] [] ? kasan_kmalloc+0x94/0xa3 [ 2309.466918] [] ? copy_mount_string+0x3d/0x3d [ 2309.491549] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2309.515345] [] ? __check_object_size+0x1e1/0x2b8 [ 2309.539393] [] ? 0xffffffffb1c002b8 [ 2309.555354] [] ? copy_mount_options+0x23d/0x24d [ 2309.581290] [] SyS_mount+0xa3/0xda [ 2309.599154] [] mount_block_root+0x2fc/0x650 [ 2309.617633] [] ? init_rootfs+0x99/0x99 [ 2309.636137] [] ? security_file_ioctl+0xa5/0xb4 [ 2309.656935] [] ? SyS_mknod+0x2f/0x36 [ 2309.675316] [] mount_root+0x45/0x48 [ 2309.690190] [] prepare_namespace+0x1cf/0x235 [ 2309.705416] [] kernel_init_freeable+0x4fa/0x518 [ 2309.725670] [] kernel_init+0x16/0x181 [ 2309.740405] [] ret_from_fork+0x1f/0x40 [ 2309.756378] [] ? rest_init+0x8f/0x8f [ 2309.774784] ================================================================================ [ 2309.801064] ================================================================================ [ 2309.828767] UBSAN: Undefined behaviour in fs/ext4/balloc.c:721:18 [ 2309.845222] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2309.870236] which requires 64 byte alignment [ 2309.882144] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2309.902694] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2309.929599] 00000000ffffffff 00000000b1a89c60 ffff88005c9df728 ffffffffb26ec5cc [ 2309.950398] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2309.970824] ffffffff00000010 ffff88005c9df750 ffff88005c9df700 ffffffffb363c3e0 [ 2309.995059] Call Trace: [ 2310.002690] [] dump_stack+0xd7/0x132 [ 2310.019659] [] ? arch_local_irq_restore+0x1b/0x1b [ 2310.036682] [] ubsan_epilogue+0x12/0x53 [ 2310.054923] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2310.077191] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2310.101626] [] ? ext4_get_group_desc+0x353/0x365 [ 2310.120144] [] ext4_count_free_clusters+0x104/0x196 [ 2310.136561] [] ext4_fill_super+0x7e14/0xa2df [ 2310.154567] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2310.172542] [] ? vsnprintf+0x1a0/0xa32 [ 2310.185868] [] ? pointer+0x7a9/0x7a9 [ 2310.201627] [] ? set_bdev_super+0x15d/0x15d [ 2310.218518] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2310.240779] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2310.261805] [] ? scnprintf+0xf3/0xf3 [ 2310.275946] [] mount_bdev+0x3cf/0x602 [ 2310.291467] [] ? mount_bdev+0x3cf/0x602 [ 2310.309427] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2310.329768] [] ext4_mount+0x3c/0x3e [ 2310.342299] [] mount_fs+0xd0/0x2ca [ 2310.359642] [] vfs_kern_mount+0xa0/0x20a [ 2310.378870] [] do_mount+0x11fe/0x19df [ 2310.391808] [] ? kasan_kmalloc+0x94/0xa3 [ 2310.409960] [] ? copy_mount_string+0x3d/0x3d [ 2310.426850] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2310.442129] [] ? __check_object_size+0x1e1/0x2b8 [ 2310.461826] [] ? 0xffffffffb1c002b8 [ 2310.475420] [] ? copy_mount_options+0x23d/0x24d [ 2310.492550] [] SyS_mount+0xa3/0xda [ 2310.508977] [] mount_block_root+0x2fc/0x650 [ 2310.526319] [] ? init_rootfs+0x99/0x99 [ 2310.543055] [] ? security_file_ioctl+0xa5/0xb4 [ 2310.560495] [] ? SyS_mknod+0x2f/0x36 [ 2310.574548] [] mount_root+0x45/0x48 [ 2310.591949] [] prepare_namespace+0x1cf/0x235 [ 2310.610975] [] kernel_init_freeable+0x4fa/0x518 [ 2310.632323] [] kernel_init+0x16/0x181 [ 2310.647932] [] ret_from_fork+0x1f/0x40 [ 2310.660741] [] ? rest_init+0x8f/0x8f [ 2310.675979] ================================================================================ [ 2310.702226] ================================================================================ [ 2310.727918] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2310.747529] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2310.775025] which requires 64 byte alignment [ 2310.787567] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2310.804647] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2310.832290] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6e8 ffffffffb26ec5cc [ 2310.855424] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2310.877240] 1ffff10000000010 ffff88005c9df710 ffff88005c9df6c0 ffffffffb363c3e0 [ 2310.901087] Call Trace: [ 2310.906847] [] dump_stack+0xd7/0x132 [ 2310.922762] [] ? arch_local_irq_restore+0x1b/0x1b [ 2310.941420] [] ubsan_epilogue+0x12/0x53 [ 2310.959787] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2310.979844] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2311.001920] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2311.020338] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2311.042669] [] ext4_get_group_info+0x32/0x1f8 [ 2311.057414] [] ? ext4_count_free_clusters+0x110/0x196 [ 2311.079966] [] ext4_count_free_clusters+0x141/0x196 [ 2311.100522] [] ext4_fill_super+0x7e14/0xa2df [ 2311.118999] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2311.136992] [] ? vsnprintf+0x1a0/0xa32 [ 2311.156141] [] ? pointer+0x7a9/0x7a9 [ 2311.172296] [] ? set_bdev_super+0x15d/0x15d [ 2311.190973] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2311.210220] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2311.232427] [] ? scnprintf+0xf3/0xf3 [ 2311.252295] [] mount_bdev+0x3cf/0x602 [ 2311.267815] [] ? mount_bdev+0x3cf/0x602 [ 2311.285131] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2311.307418] [] ext4_mount+0x3c/0x3e [ 2311.322516] [] mount_fs+0xd0/0x2ca [ 2311.335873] [] vfs_kern_mount+0xa0/0x20a [ 2311.351082] [] do_mount+0x11fe/0x19df [ 2311.368343] [] ? kasan_kmalloc+0x94/0xa3 [ 2311.383952] [] ? copy_mount_string+0x3d/0x3d [ 2311.400740] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2311.416747] [] ? __check_object_size+0x1e1/0x2b8 [ 2311.434725] [] ? 0xffffffffb1c002b8 [ 2311.451615] [] ? copy_mount_options+0x23d/0x24d [ 2311.470004] [] SyS_mount+0xa3/0xda [ 2311.488753] [] mount_block_root+0x2fc/0x650 [ 2311.504876] [] ? init_rootfs+0x99/0x99 [ 2311.520556] [] ? security_file_ioctl+0xa5/0xb4 [ 2311.537990] [] ? SyS_mknod+0x2f/0x36 [ 2311.553266] [] mount_root+0x45/0x48 [ 2311.570582] [] prepare_namespace+0x1cf/0x235 [ 2311.589770] [] kernel_init_freeable+0x4fa/0x518 [ 2311.612285] [] kernel_init+0x16/0x181 [ 2311.633329] [] ret_from_fork+0x1f/0x40 [ 2311.649558] [] ? rest_init+0x8f/0x8f [ 2311.670413] ================================================================================ [ 2311.694571] ================================================================================ [ 2311.722746] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2813:3 [ 2311.742202] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2311.771069] which requires 64 byte alignment [ 2311.785532] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2311.889709] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2311.917338] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6e8 ffffffffb26ec5cc [ 2311.944055] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2311.970396] ffffffff00000010 ffff88005c9df710 ffff88005c9df6c0 ffffffffb363c3e0 [ 2311.991794] Call Trace: [ 2311.998312] [] dump_stack+0xd7/0x132 [ 2312.015275] [] ? arch_local_irq_restore+0x1b/0x1b [ 2312.035964] [] ubsan_epilogue+0x12/0x53 [ 2312.054510] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2312.073959] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2312.102583] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2312.128392] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2312.149819] [] ext4_get_group_info+0x62/0x1f8 [ 2312.167423] [] ? ext4_count_free_clusters+0x110/0x196 [ 2312.189399] [] ext4_count_free_clusters+0x141/0x196 [ 2312.210767] [] ext4_fill_super+0x7e14/0xa2df [ 2312.227867] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2312.247772] [] ? vsnprintf+0x1a0/0xa32 [ 2312.262348] [] ? pointer+0x7a9/0x7a9 [ 2312.281704] [] ? set_bdev_super+0x15d/0x15d [ 2312.300645] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2312.323105] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2312.348649] [] ? scnprintf+0xf3/0xf3 [ 2312.362437] [] mount_bdev+0x3cf/0x602 [ 2312.378047] [] ? mount_bdev+0x3cf/0x602 [ 2312.393752] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2312.414878] [] ext4_mount+0x3c/0x3e [ 2312.431390] [] mount_fs+0xd0/0x2ca [ 2312.448081] [] vfs_kern_mount+0xa0/0x20a [ 2312.466986] [] do_mount+0x11fe/0x19df [ 2312.481945] [] ? kasan_kmalloc+0x94/0xa3 [ 2312.498745] [] ? copy_mount_string+0x3d/0x3d [ 2312.513582] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2312.535848] [] ? __check_object_size+0x1e1/0x2b8 [ 2312.555468] [] ? 0xffffffffb1c002b8 [ 2312.572056] [] ? copy_mount_options+0x23d/0x24d [ 2312.591401] [] SyS_mount+0xa3/0xda [ 2312.607367] [] mount_block_root+0x2fc/0x650 [ 2312.626363] [] ? init_rootfs+0x99/0x99 [ 2312.642207] [] ? security_file_ioctl+0xa5/0xb4 [ 2312.660960] [] ? SyS_mknod+0x2f/0x36 [ 2312.679832] [] mount_root+0x45/0x48 [ 2312.694558] [] prepare_namespace+0x1cf/0x235 [ 2312.713962] [] kernel_init_freeable+0x4fa/0x518 [ 2312.732344] [] kernel_init+0x16/0x181 [ 2312.748825] [] ret_from_fork+0x1f/0x40 [ 2312.762840] [] ? rest_init+0x8f/0x8f [ 2312.779375] ================================================================================ [ 2312.806562] ================================================================================ [ 2312.830383] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2312.847197] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2312.878671] which requires 64 byte alignment [ 2312.890580] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2312.908086] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2312.936284] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6e8 ffffffffb26ec5cc [ 2312.960802] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2312.983553] ffffffff00000010 ffff88005c9df710 ffff88005c9df6c0 ffffffffb363c3e0 [ 2313.009494] Call Trace: [ 2313.015178] [] dump_stack+0xd7/0x132 [ 2313.030487] [] ? arch_local_irq_restore+0x1b/0x1b [ 2313.048201] [] ubsan_epilogue+0x12/0x53 [ 2313.064903] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2313.085679] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2313.106402] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2313.127874] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2313.149193] [] ext4_get_group_info+0xa2/0x1f8 [ 2313.165069] [] ? ext4_count_free_clusters+0x110/0x196 [ 2313.184233] [] ext4_count_free_clusters+0x141/0x196 [ 2313.205014] [] ext4_fill_super+0x7e14/0xa2df [ 2313.223218] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2313.241311] [] ? vsnprintf+0x1a0/0xa32 [ 2313.259024] [] ? pointer+0x7a9/0x7a9 [ 2313.274087] [] ? set_bdev_super+0x15d/0x15d [ 2313.292024] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2313.314043] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2313.335404] [] ? scnprintf+0xf3/0xf3 [ 2313.352486] [] mount_bdev+0x3cf/0x602 [ 2313.369267] [] ? mount_bdev+0x3cf/0x602 [ 2313.385558] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2313.404250] [] ext4_mount+0x3c/0x3e [ 2313.416855] [] mount_fs+0xd0/0x2ca [ 2313.431046] [] vfs_kern_mount+0xa0/0x20a [ 2313.447931] [] do_mount+0x11fe/0x19df [ 2313.464012] [] ? kasan_kmalloc+0x94/0xa3 [ 2313.481229] [] ? copy_mount_string+0x3d/0x3d [ 2313.499712] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2313.516365] [] ? __check_object_size+0x1e1/0x2b8 [ 2313.536774] [] ? 0xffffffffb1c002b8 [ 2313.551849] [] ? copy_mount_options+0x23d/0x24d [ 2313.571506] [] SyS_mount+0xa3/0xda [ 2313.588499] [] mount_block_root+0x2fc/0x650 [ 2313.607352] [] ? init_rootfs+0x99/0x99 [ 2313.623877] [] ? security_file_ioctl+0xa5/0xb4 [ 2313.642557] [] ? SyS_mknod+0x2f/0x36 [ 2313.660425] [] mount_root+0x45/0x48 [ 2313.675167] [] prepare_namespace+0x1cf/0x235 [ 2313.692086] [] kernel_init_freeable+0x4fa/0x518 [ 2313.711378] [] kernel_init+0x16/0x181 [ 2313.726791] [] ret_from_fork+0x1f/0x40 [ 2313.742791] [] ? rest_init+0x8f/0x8f [ 2313.759656] ================================================================================ [ 2313.786565] ================================================================================ [ 2313.812389] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2814:12 [ 2313.830975] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2313.856523] which requires 64 byte alignment [ 2313.869644] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2313.887926] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2313.916572] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6e8 ffffffffb26ec5cc [ 2313.940038] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2313.961980] ffffffff00000010 ffff88005c9df710 ffff88005c9df6c0 ffffffffb363c3e0 [ 2313.985286] Call Trace: [ 2313.991982] [] dump_stack+0xd7/0x132 [ 2314.008490] [] ? arch_local_irq_restore+0x1b/0x1b [ 2314.028207] [] ubsan_epilogue+0x12/0x53 [ 2314.045236] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2314.066898] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2314.087385] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2314.107085] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2314.129119] [] ext4_get_group_info+0xbc/0x1f8 [ 2314.147579] [] ? ext4_count_free_clusters+0x110/0x196 [ 2314.163560] [] ext4_count_free_clusters+0x141/0x196 [ 2314.186948] [] ext4_fill_super+0x7e14/0xa2df [ 2314.204603] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2314.223015] [] ? vsnprintf+0x1a0/0xa32 [ 2314.239379] [] ? pointer+0x7a9/0x7a9 [ 2314.254442] [] ? set_bdev_super+0x15d/0x15d [ 2314.273536] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2314.296993] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2314.316864] [] ? scnprintf+0xf3/0xf3 [ 2314.332697] [] mount_bdev+0x3cf/0x602 [ 2314.350897] [] ? mount_bdev+0x3cf/0x602 [ 2314.365361] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2314.384487] [] ext4_mount+0x3c/0x3e [ 2314.401033] [] mount_fs+0xd0/0x2ca [ 2314.413810] [] vfs_kern_mount+0xa0/0x20a [ 2314.431193] [] do_mount+0x11fe/0x19df [ 2314.447661] [] ? kasan_kmalloc+0x94/0xa3 [ 2314.465327] [] ? copy_mount_string+0x3d/0x3d [ 2314.481784] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2314.502909] [] ? __check_object_size+0x1e1/0x2b8 [ 2314.519942] [] ? 0xffffffffb1c002b8 [ 2314.533413] [] ? copy_mount_options+0x23d/0x24d [ 2314.553549] [] SyS_mount+0xa3/0xda [ 2314.568551] [] mount_block_root+0x2fc/0x650 [ 2314.585556] [] ? init_rootfs+0x99/0x99 [ 2314.598838] [] ? security_file_ioctl+0xa5/0xb4 [ 2314.617222] [] ? SyS_mknod+0x2f/0x36 [ 2314.632401] [] mount_root+0x45/0x48 [ 2314.647364] [] prepare_namespace+0x1cf/0x235 [ 2314.665858] [] kernel_init_freeable+0x4fa/0x518 [ 2314.682711] [] kernel_init+0x16/0x181 [ 2314.699195] [] ret_from_fork+0x1f/0x40 [ 2314.714940] [] ? rest_init+0x8f/0x8f [ 2314.732352] ================================================================================ [ 2314.757745] ================================================================================ [ 2314.782531] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2314.804104] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2314.832948] which requires 64 byte alignment [ 2314.847889] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2314.864393] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2314.895061] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6e8 ffffffffb26ec5cc [ 2314.920223] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2314.941386] ffffffff00000010 ffff88005c9df710 ffff88005c9df6c0 ffffffffb363c3e0 [ 2314.962018] Call Trace: [ 2314.968683] [] dump_stack+0xd7/0x132 [ 2314.984641] [] ? arch_local_irq_restore+0x1b/0x1b [ 2315.005768] [] ubsan_epilogue+0x12/0x53 [ 2315.023088] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2315.043539] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2315.066260] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2315.086134] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2315.108700] [] ext4_get_group_info+0xec/0x1f8 [ 2315.126552] [] ext4_count_free_clusters+0x141/0x196 [ 2315.145191] [] ext4_fill_super+0x7e14/0xa2df [ 2315.160537] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2315.181721] [] ? vsnprintf+0x1a0/0xa32 [ 2315.197085] [] ? pointer+0x7a9/0x7a9 [ 2315.212051] [] ? set_bdev_super+0x15d/0x15d [ 2315.229381] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2315.249122] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2315.267759] [] ? scnprintf+0xf3/0xf3 [ 2315.282852] [] mount_bdev+0x3cf/0x602 [ 2315.299375] [] ? mount_bdev+0x3cf/0x602 [ 2315.313575] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2315.333492] [] ext4_mount+0x3c/0x3e [ 2315.350651] [] mount_fs+0xd0/0x2ca [ 2315.366506] [] vfs_kern_mount+0xa0/0x20a [ 2315.383444] [] do_mount+0x11fe/0x19df [ 2315.399434] [] ? kasan_kmalloc+0x94/0xa3 [ 2315.416070] [] ? copy_mount_string+0x3d/0x3d [ 2315.433031] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2315.451311] [] ? __check_object_size+0x1e1/0x2b8 [ 2315.467357] [] ? 0xffffffffb1c002b8 [ 2315.483934] [] ? copy_mount_options+0x23d/0x24d [ 2315.498920] [] SyS_mount+0xa3/0xda [ 2315.514097] [] mount_block_root+0x2fc/0x650 [ 2315.532025] [] ? init_rootfs+0x99/0x99 [ 2315.546100] [] ? security_file_ioctl+0xa5/0xb4 [ 2315.566548] [] ? SyS_mknod+0x2f/0x36 [ 2315.580583] [] mount_root+0x45/0x48 [ 2315.596341] [] prepare_namespace+0x1cf/0x235 [ 2315.613324] [] kernel_init_freeable+0x4fa/0x518 [ 2315.630887] [] kernel_init+0x16/0x181 [ 2315.647309] [] ret_from_fork+0x1f/0x40 [ 2315.666806] [] ? rest_init+0x8f/0x8f [ 2315.682101] ================================================================================ [ 2315.708285] ================================================================================ [ 2315.731534] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2815:22 [ 2315.750343] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2315.776374] which requires 64 byte alignment [ 2315.789364] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2315.806083] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2315.829998] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6e8 ffffffffb26ec5cc [ 2315.853470] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2315.879169] ffffffff00000010 ffff88005c9df710 ffff88005c9df6c0 ffffffffb363c3e0 [ 2315.903580] Call Trace: [ 2315.911588] [] dump_stack+0xd7/0x132 [ 2315.928122] [] ? arch_local_irq_restore+0x1b/0x1b [ 2315.945750] [] ubsan_epilogue+0x12/0x53 [ 2315.960276] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2315.978502] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2316.001330] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2316.022758] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2316.043486] [] ext4_get_group_info+0x106/0x1f8 [ 2316.059479] [] ext4_count_free_clusters+0x141/0x196 [ 2316.080767] [] ext4_fill_super+0x7e14/0xa2df [ 2316.098619] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2316.117205] [] ? vsnprintf+0x1a0/0xa32 [ 2316.133427] [] ? pointer+0x7a9/0x7a9 [ 2316.149585] [] ? set_bdev_super+0x15d/0x15d [ 2316.165697] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2316.187603] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2316.209634] [] ? scnprintf+0xf3/0xf3 [ 2316.227815] [] mount_bdev+0x3cf/0x602 [ 2316.242390] [] ? mount_bdev+0x3cf/0x602 [ 2316.260102] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2316.279206] [] ext4_mount+0x3c/0x3e [ 2316.294677] [] mount_fs+0xd0/0x2ca [ 2316.310440] [] vfs_kern_mount+0xa0/0x20a [ 2316.327363] [] do_mount+0x11fe/0x19df [ 2316.345619] [] ? kasan_kmalloc+0x94/0xa3 [ 2316.365276] [] ? copy_mount_string+0x3d/0x3d [ 2316.383728] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2316.402771] [] ? __check_object_size+0x1e1/0x2b8 [ 2316.420388] [] ? 0xffffffffb1c002b8 [ 2316.439767] [] ? copy_mount_options+0x23d/0x24d [ 2316.457349] [] SyS_mount+0xa3/0xda [ 2316.470557] [] mount_block_root+0x2fc/0x650 [ 2316.490055] [] ? init_rootfs+0x99/0x99 [ 2316.509443] [] ? security_file_ioctl+0xa5/0xb4 [ 2316.530628] [] ? SyS_mknod+0x2f/0x36 [ 2316.546091] [] mount_root+0x45/0x48 [ 2316.559292] [] prepare_namespace+0x1cf/0x235 [ 2316.575673] [] kernel_init_freeable+0x4fa/0x518 [ 2316.597604] [] kernel_init+0x16/0x181 [ 2316.614223] [] ret_from_fork+0x1f/0x40 [ 2316.630168] [] ? rest_init+0x8f/0x8f [ 2316.647141] ================================================================================ [ 2316.679092] ================================================================================ [ 2316.707289] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2316.725024] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2316.749377] which requires 64 byte alignment [ 2316.761500] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2316.778706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2316.807007] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6e8 ffffffffb26ec5cc [ 2316.830290] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2316.852147] ffffffff00000010 ffff88005c9df710 ffff88005c9df6c0 ffffffffb363c3e0 [ 2316.877415] Call Trace: [ 2316.883747] [] dump_stack+0xd7/0x132 [ 2316.902368] [] ? arch_local_irq_restore+0x1b/0x1b [ 2316.922963] [] ubsan_epilogue+0x12/0x53 [ 2316.939053] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2316.959841] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2316.983188] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2317.009192] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2317.031445] [] ext4_get_group_info+0x15d/0x1f8 [ 2317.050930] [] ext4_count_free_clusters+0x141/0x196 [ 2317.071380] [] ext4_fill_super+0x7e14/0xa2df [ 2317.088157] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2317.107339] [] ? vsnprintf+0x1a0/0xa32 [ 2317.127098] [] ? pointer+0x7a9/0x7a9 [ 2317.140208] [] ? set_bdev_super+0x15d/0x15d [ 2317.157939] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2317.180325] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2317.201009] [] ? scnprintf+0xf3/0xf3 [ 2317.216073] [] mount_bdev+0x3cf/0x602 [ 2317.231720] [] ? mount_bdev+0x3cf/0x602 [ 2317.249362] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2317.267597] [] ext4_mount+0x3c/0x3e [ 2317.283691] [] mount_fs+0xd0/0x2ca [ 2317.297539] [] vfs_kern_mount+0xa0/0x20a [ 2317.315610] [] do_mount+0x11fe/0x19df [ 2317.332473] [] ? kasan_kmalloc+0x94/0xa3 [ 2317.351329] [] ? copy_mount_string+0x3d/0x3d [ 2317.368654] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2317.385655] [] ? __check_object_size+0x1e1/0x2b8 [ 2317.410534] [] ? 0xffffffffb1c002b8 [ 2317.433161] [] ? copy_mount_options+0x23d/0x24d [ 2317.451212] [] SyS_mount+0xa3/0xda [ 2317.464431] [] mount_block_root+0x2fc/0x650 [ 2317.480521] [] ? init_rootfs+0x99/0x99 [ 2317.495350] [] ? security_file_ioctl+0xa5/0xb4 [ 2317.515885] [] ? SyS_mknod+0x2f/0x36 [ 2317.533560] [] mount_root+0x45/0x48 [ 2317.550962] [] prepare_namespace+0x1cf/0x235 [ 2317.572900] [] kernel_init_freeable+0x4fa/0x518 [ 2317.591264] [] kernel_init+0x16/0x181 [ 2317.608158] [] ret_from_fork+0x1f/0x40 [ 2317.624206] [] ? rest_init+0x8f/0x8f [ 2317.637836] ================================================================================ [ 2317.664289] ================================================================================ [ 2317.691161] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2816:22 [ 2317.708743] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2317.734209] which requires 64 byte alignment [ 2317.745986] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2317.765309] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2317.795694] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6e8 ffffffffb26ec5cc [ 2317.821336] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2317.843813] ffffffff00000010 ffff88005c9df710 ffff88005c9df6c0 ffffffffb363c3e0 [ 2317.867848] Call Trace: [ 2317.875090] [] dump_stack+0xd7/0x132 [ 2317.890654] [] ? arch_local_irq_restore+0x1b/0x1b [ 2317.908680] [] ubsan_epilogue+0x12/0x53 [ 2317.923464] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2317.942855] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2317.965304] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2317.983893] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2318.004793] [] ext4_get_group_info+0x185/0x1f8 [ 2318.023557] [] ext4_count_free_clusters+0x141/0x196 [ 2318.041778] [] ext4_fill_super+0x7e14/0xa2df [ 2318.060151] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2318.079146] [] ? vsnprintf+0x1a0/0xa32 [ 2318.095679] [] ? pointer+0x7a9/0x7a9 [ 2318.111453] [] ? set_bdev_super+0x15d/0x15d [ 2318.131410] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2318.151633] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2318.175194] [] ? scnprintf+0xf3/0xf3 [ 2318.191499] [] mount_bdev+0x3cf/0x602 [ 2318.207939] [] ? mount_bdev+0x3cf/0x602 [ 2318.223907] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2318.242127] [] ext4_mount+0x3c/0x3e [ 2318.258398] [] mount_fs+0xd0/0x2ca [ 2318.271987] [] vfs_kern_mount+0xa0/0x20a [ 2318.288166] [] do_mount+0x11fe/0x19df [ 2318.303978] [] ? kasan_kmalloc+0x94/0xa3 [ 2318.318892] [] ? copy_mount_string+0x3d/0x3d [ 2318.335339] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2318.356329] [] ? __check_object_size+0x1e1/0x2b8 [ 2318.375436] [] ? 0xffffffffb1c002b8 [ 2318.391752] [] ? copy_mount_options+0x23d/0x24d [ 2318.410395] [] SyS_mount+0xa3/0xda [ 2318.426078] [] mount_block_root+0x2fc/0x650 [ 2318.445099] [] ? init_rootfs+0x99/0x99 [ 2318.461168] [] ? security_file_ioctl+0xa5/0xb4 [ 2318.480703] [] ? SyS_mknod+0x2f/0x36 [ 2318.495132] [] mount_root+0x45/0x48 [ 2318.510515] [] prepare_namespace+0x1cf/0x235 [ 2318.528683] [] kernel_init_freeable+0x4fa/0x518 [ 2318.546907] [] kernel_init+0x16/0x181 [ 2318.563236] [] ret_from_fork+0x1f/0x40 [ 2318.580254] [] ? rest_init+0x8f/0x8f [ 2318.600873] ================================================================================ [ 2318.628209] ================================================================================ [ 2318.653770] UBSAN: Undefined behaviour in fs/ext4/super.c:4076:8 [ 2318.671687] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2318.700081] which requires 64 byte alignment [ 2318.712239] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2318.730077] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2318.759730] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2318.784275] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2318.809734] ffff880000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2318.831381] Call Trace: [ 2318.838242] [] dump_stack+0xd7/0x132 [ 2318.853560] [] ? arch_local_irq_restore+0x1b/0x1b [ 2318.876254] [] ubsan_epilogue+0x12/0x53 [ 2318.895104] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2318.918414] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2318.942802] [] ? ext4_count_free_clusters+0x184/0x196 [ 2318.959932] [] ext4_fill_super+0x7e35/0xa2df [ 2318.977996] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2318.997806] [] ? vsnprintf+0x1a0/0xa32 [ 2319.013650] [] ? pointer+0x7a9/0x7a9 [ 2319.031085] [] ? set_bdev_super+0x15d/0x15d [ 2319.050729] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2319.068743] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2319.090967] [] ? scnprintf+0xf3/0xf3 [ 2319.107318] [] mount_bdev+0x3cf/0x602 [ 2319.123819] [] ? mount_bdev+0x3cf/0x602 [ 2319.137768] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2319.158071] [] ext4_mount+0x3c/0x3e [ 2319.172519] [] mount_fs+0xd0/0x2ca [ 2319.191271] [] vfs_kern_mount+0xa0/0x20a [ 2319.207346] [] do_mount+0x11fe/0x19df [ 2319.220979] [] ? kasan_kmalloc+0x94/0xa3 [ 2319.248847] [] ? copy_mount_string+0x3d/0x3d [ 2319.332094] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2319.360049] [] ? __check_object_size+0x1e1/0x2b8 [ 2319.384789] [] ? 0xffffffffb1c002b8 [ 2319.401177] [] ? copy_mount_options+0x23d/0x24d [ 2319.416176] [] SyS_mount+0xa3/0xda [ 2319.430919] [] mount_block_root+0x2fc/0x650 [ 2319.448047] [] ? init_rootfs+0x99/0x99 [ 2319.461241] [] ? security_file_ioctl+0xa5/0xb4 [ 2319.479357] [] ? SyS_mknod+0x2f/0x36 [ 2319.495906] [] mount_root+0x45/0x48 [ 2319.512146] [] prepare_namespace+0x1cf/0x235 [ 2319.528532] [] kernel_init_freeable+0x4fa/0x518 [ 2319.544196] [] kernel_init+0x16/0x181 [ 2319.563626] [] ret_from_fork+0x1f/0x40 [ 2319.581556] [] ? rest_init+0x8f/0x8f [ 2319.596036] ================================================================================ [ 2319.623317] ================================================================================ [ 2319.652592] UBSAN: Undefined behaviour in fs/ext4/super.c:4075:2 [ 2319.671945] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2319.699847] which requires 64 byte alignment [ 2319.713620] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2319.732944] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2319.761917] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2319.785869] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2319.808248] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2319.830265] Call Trace: [ 2319.836318] [] dump_stack+0xd7/0x132 [ 2319.856755] [] ? arch_local_irq_restore+0x1b/0x1b [ 2319.879666] [] ubsan_epilogue+0x12/0x53 [ 2319.906708] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2319.929259] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2319.951936] [] ? ext4_count_free_clusters+0x184/0x196 [ 2319.971966] [] ext4_fill_super+0x7e92/0xa2df [ 2319.989953] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2320.007733] [] ? vsnprintf+0x1a0/0xa32 [ 2320.023186] [] ? pointer+0x7a9/0x7a9 [ 2320.037626] [] ? set_bdev_super+0x15d/0x15d [ 2320.052426] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2320.073241] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2320.093237] [] ? scnprintf+0xf3/0xf3 [ 2320.107670] [] mount_bdev+0x3cf/0x602 [ 2320.120773] [] ? mount_bdev+0x3cf/0x602 [ 2320.136192] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2320.154402] [] ext4_mount+0x3c/0x3e [ 2320.169363] [] mount_fs+0xd0/0x2ca [ 2320.183466] [] vfs_kern_mount+0xa0/0x20a [ 2320.200409] [] do_mount+0x11fe/0x19df [ 2320.214149] [] ? kasan_kmalloc+0x94/0xa3 [ 2320.232277] [] ? copy_mount_string+0x3d/0x3d [ 2320.250063] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2320.265999] [] ? __check_object_size+0x1e1/0x2b8 [ 2320.282909] [] ? 0xffffffffb1c002b8 [ 2320.296505] [] ? copy_mount_options+0x23d/0x24d [ 2320.317909] [] SyS_mount+0xa3/0xda [ 2320.333907] [] mount_block_root+0x2fc/0x650 [ 2320.353312] [] ? init_rootfs+0x99/0x99 [ 2320.369423] [] ? security_file_ioctl+0xa5/0xb4 [ 2320.386937] [] ? SyS_mknod+0x2f/0x36 [ 2320.403276] [] mount_root+0x45/0x48 [ 2320.419074] [] prepare_namespace+0x1cf/0x235 [ 2320.438439] [] kernel_init_freeable+0x4fa/0x518 [ 2320.458924] [] kernel_init+0x16/0x181 [ 2320.478436] [] ret_from_fork+0x1f/0x40 [ 2320.500682] [] ? rest_init+0x8f/0x8f [ 2320.517602] ================================================================================ [ 2320.553148] ================================================================================ [ 2320.581442] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2320.599535] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2320.630178] which requires 64 byte alignment [ 2320.642281] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2320.663326] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2320.695292] 00000000ffffffff 00000000b1a89c60 ffff88005c9df740 ffffffffb26ec5cc [ 2320.725395] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2320.752643] ffff880000000010 ffff88005c9df768 ffff88005c9df718 ffffffffb363c3e0 [ 2320.779175] Call Trace: [ 2320.784770] [] dump_stack+0xd7/0x132 [ 2320.802729] [] ? arch_local_irq_restore+0x1b/0x1b [ 2320.827162] [] ubsan_epilogue+0x12/0x53 [ 2320.846420] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2320.869502] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2320.895749] [] ? __percpu_counter_init+0x1ac/0x1e3 [ 2320.916622] [] ? percpu_counter_destroy+0xc8/0xc8 [ 2320.938749] [] ext4_count_free_inodes+0x33/0xd0 [ 2320.958040] [] ext4_fill_super+0x7f3c/0xa2df [ 2320.977754] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2321.000951] [] ? vsnprintf+0x1a0/0xa32 [ 2321.018838] [] ? pointer+0x7a9/0x7a9 [ 2321.035209] [] ? set_bdev_super+0x15d/0x15d [ 2321.056090] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2321.079799] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2321.103667] [] ? scnprintf+0xf3/0xf3 [ 2321.122203] [] mount_bdev+0x3cf/0x602 [ 2321.139431] [] ? mount_bdev+0x3cf/0x602 [ 2321.158759] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2321.187135] [] ext4_mount+0x3c/0x3e [ 2321.204242] [] mount_fs+0xd0/0x2ca [ 2321.221180] [] vfs_kern_mount+0xa0/0x20a [ 2321.237408] [] do_mount+0x11fe/0x19df [ 2321.254992] [] ? kasan_kmalloc+0x94/0xa3 [ 2321.275223] [] ? copy_mount_string+0x3d/0x3d [ 2321.299563] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2321.320862] [] ? __check_object_size+0x1e1/0x2b8 [ 2321.344797] [] ? 0xffffffffb1c002b8 [ 2321.363034] [] ? copy_mount_options+0x23d/0x24d [ 2321.420259] [] SyS_mount+0xa3/0xda [ 2321.449447] [] mount_block_root+0x2fc/0x650 [ 2321.469604] [] ? init_rootfs+0x99/0x99 [ 2321.490707] [] ? security_file_ioctl+0xa5/0xb4 [ 2321.512685] [] ? SyS_mknod+0x2f/0x36 [ 2321.533402] [] mount_root+0x45/0x48 [ 2321.552776] [] prepare_namespace+0x1cf/0x235 [ 2321.574161] [] kernel_init_freeable+0x4fa/0x518 [ 2321.594068] [] kernel_init+0x16/0x181 [ 2321.614446] [] ret_from_fork+0x1f/0x40 [ 2321.634930] [] ? rest_init+0x8f/0x8f [ 2321.659483] ================================================================================ [ 2321.689035] ================================================================================ [ 2321.717279] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2827:15 [ 2321.738736] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2321.773617] which requires 64 byte alignment [ 2321.790532] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2321.818480] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2321.853347] 00000000ffffffff 00000000b1a89c60 ffff88005c9df740 ffffffffb26ec5cc [ 2321.884182] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2321.911050] ffff880000000010 ffff88005c9df768 ffff88005c9df718 ffffffffb363c3e0 [ 2321.936756] Call Trace: [ 2321.948752] [] dump_stack+0xd7/0x132 [ 2321.969102] [] ? arch_local_irq_restore+0x1b/0x1b [ 2321.992679] [] ubsan_epilogue+0x12/0x53 [ 2322.010869] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2322.036532] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2322.063387] [] ? __percpu_counter_init+0x1ac/0x1e3 [ 2322.094268] [] ? percpu_counter_destroy+0xc8/0xc8 [ 2322.115490] [] ext4_count_free_inodes+0x60/0xd0 [ 2322.138924] [] ext4_fill_super+0x7f3c/0xa2df [ 2322.159285] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2322.183556] [] ? vsnprintf+0x1a0/0xa32 [ 2322.205742] [] ? pointer+0x7a9/0x7a9 [ 2322.221700] [] ? set_bdev_super+0x15d/0x15d [ 2322.242032] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2322.268429] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2322.294825] [] ? scnprintf+0xf3/0xf3 [ 2322.314814] [] mount_bdev+0x3cf/0x602 [ 2322.332732] [] ? mount_bdev+0x3cf/0x602 [ 2322.351276] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2322.374341] [] ext4_mount+0x3c/0x3e [ 2322.393030] [] mount_fs+0xd0/0x2ca [ 2322.410284] [] vfs_kern_mount+0xa0/0x20a [ 2322.431742] [] do_mount+0x11fe/0x19df [ 2322.449530] [] ? kasan_kmalloc+0x94/0xa3 [ 2322.468131] [] ? copy_mount_string+0x3d/0x3d [ 2322.487577] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2322.508382] [] ? __check_object_size+0x1e1/0x2b8 [ 2322.530714] [] ? 0xffffffffb1c002b8 [ 2322.547584] [] ? copy_mount_options+0x23d/0x24d [ 2322.571168] [] SyS_mount+0xa3/0xda [ 2322.590418] [] mount_block_root+0x2fc/0x650 [ 2322.611669] [] ? init_rootfs+0x99/0x99 [ 2322.630081] [] ? security_file_ioctl+0xa5/0xb4 [ 2322.653303] [] ? SyS_mknod+0x2f/0x36 [ 2322.673224] [] mount_root+0x45/0x48 [ 2322.689555] [] prepare_namespace+0x1cf/0x235 [ 2322.711583] [] kernel_init_freeable+0x4fa/0x518 [ 2322.732892] [] kernel_init+0x16/0x181 [ 2322.750422] [] ret_from_fork+0x1f/0x40 [ 2322.769046] [] ? rest_init+0x8f/0x8f [ 2322.788110] ================================================================================ [ 2322.818039] ================================================================================ [ 2322.848148] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2322.869041] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2322.915244] which requires 64 byte alignment [ 2322.933319] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2322.956179] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2322.996934] 00000000ffffffff 00000000b1a89c60 ffff88005c9df710 ffffffffb26ec5cc [ 2323.033805] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2323.069496] fffffbff00000010 ffff88005c9df738 ffff88005c9df6e8 ffffffffb363c3e0 [ 2323.111490] Call Trace: [ 2323.120582] [] dump_stack+0xd7/0x132 [ 2323.147975] [] ? arch_local_irq_restore+0x1b/0x1b [ 2323.175927] [] ubsan_epilogue+0x12/0x53 [ 2323.203500] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2323.237897] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2323.270643] [] ext4_free_inodes_count+0x5c/0xe1 [ 2323.301377] [] ext4_count_free_inodes+0xa9/0xd0 [ 2323.328339] [] ext4_fill_super+0x7f3c/0xa2df [ 2323.350950] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2323.373866] [] ? vsnprintf+0x1a0/0xa32 [ 2323.393517] [] ? pointer+0x7a9/0x7a9 [ 2323.409553] [] ? set_bdev_super+0x15d/0x15d [ 2323.426791] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2323.472532] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2323.582667] [] ? scnprintf+0xf3/0xf3 [ 2323.617287] [] mount_bdev+0x3cf/0x602 [ 2323.635507] [] ? mount_bdev+0x3cf/0x602 [ 2323.661314] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2323.688693] [] ext4_mount+0x3c/0x3e [ 2323.714226] [] mount_fs+0xd0/0x2ca [ 2323.735884] [] vfs_kern_mount+0xa0/0x20a [ 2323.759715] [] do_mount+0x11fe/0x19df [ 2323.782506] [] ? kasan_kmalloc+0x94/0xa3 [ 2323.807513] [] ? copy_mount_string+0x3d/0x3d [ 2323.832018] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2323.859961] [] ? __check_object_size+0x1e1/0x2b8 [ 2323.883564] [] ? 0xffffffffb1c002b8 [ 2323.904141] [] ? copy_mount_options+0x23d/0x24d [ 2323.933411] [] SyS_mount+0xa3/0xda [ 2323.952210] [] mount_block_root+0x2fc/0x650 [ 2323.972522] [] ? init_rootfs+0x99/0x99 [ 2323.993448] [] ? security_file_ioctl+0xa5/0xb4 [ 2324.016856] [] ? SyS_mknod+0x2f/0x36 [ 2324.051485] [] mount_root+0x45/0x48 [ 2324.084577] [] prepare_namespace+0x1cf/0x235 [ 2324.124635] [] kernel_init_freeable+0x4fa/0x518 [ 2324.152487] [] kernel_init+0x16/0x181 [ 2324.181406] [] ret_from_fork+0x1f/0x40 [ 2324.207718] [] ? rest_init+0x8f/0x8f [ 2324.232337] ================================================================================ [ 2324.271074] ================================================================================ [ 2324.312259] UBSAN: Undefined behaviour in fs/ext4/super.c:240:4 [ 2324.337247] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2324.382165] which requires 64 byte alignment [ 2324.404098] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2324.434964] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2324.480373] 00000000ffffffff 00000000b1a89c60 ffff88005c9df710 ffffffffb26ec5cc [ 2324.513266] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2324.542486] ffff880000000010 ffff88005c9df738 ffff88005c9df6e8 ffffffffb363c3e0 [ 2324.568405] Call Trace: [ 2324.576698] [] dump_stack+0xd7/0x132 [ 2324.592549] [] ? arch_local_irq_restore+0x1b/0x1b [ 2324.612888] [] ubsan_epilogue+0x12/0x53 [ 2324.629013] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2324.650437] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2324.676250] [] ext4_free_inodes_count+0x8b/0xe1 [ 2324.699349] [] ext4_count_free_inodes+0xa9/0xd0 [ 2324.720009] [] ext4_fill_super+0x7f3c/0xa2df [ 2324.738421] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2324.761053] [] ? vsnprintf+0x1a0/0xa32 [ 2324.779743] [] ? pointer+0x7a9/0x7a9 [ 2324.798061] [] ? set_bdev_super+0x15d/0x15d [ 2324.814235] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2324.838503] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2324.861689] [] ? scnprintf+0xf3/0xf3 [ 2324.879563] [] mount_bdev+0x3cf/0x602 [ 2324.898482] [] ? mount_bdev+0x3cf/0x602 [ 2324.916470] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2324.946304] [] ext4_mount+0x3c/0x3e [ 2324.963016] [] mount_fs+0xd0/0x2ca [ 2324.984243] [] vfs_kern_mount+0xa0/0x20a [ 2325.003383] [] do_mount+0x11fe/0x19df [ 2325.028994] [] ? kasan_kmalloc+0x94/0xa3 [ 2325.050122] [] ? copy_mount_string+0x3d/0x3d [ 2325.070804] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2325.098117] [] ? __check_object_size+0x1e1/0x2b8 [ 2325.116247] [] ? 0xffffffffb1c002b8 [ 2325.130165] [] ? copy_mount_options+0x23d/0x24d [ 2325.148096] [] SyS_mount+0xa3/0xda [ 2325.163441] [] mount_block_root+0x2fc/0x650 [ 2325.179287] [] ? init_rootfs+0x99/0x99 [ 2325.196279] [] ? security_file_ioctl+0xa5/0xb4 [ 2325.215192] [] ? SyS_mknod+0x2f/0x36 [ 2325.229233] [] mount_root+0x45/0x48 [ 2325.248181] [] prepare_namespace+0x1cf/0x235 [ 2325.266452] [] kernel_init_freeable+0x4fa/0x518 [ 2325.286943] [] kernel_init+0x16/0x181 [ 2325.303961] [] ret_from_fork+0x1f/0x40 [ 2325.320174] [] ? rest_init+0x8f/0x8f [ 2325.334401] ================================================================================ [ 2325.364111] ================================================================================ [ 2325.389922] UBSAN: Undefined behaviour in fs/ext4/super.c:4081:6 [ 2325.409569] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2325.436092] which requires 64 byte alignment [ 2325.451153] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2325.469122] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2325.502374] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2325.527786] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2325.551527] 1ffff10000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2325.576807] Call Trace: [ 2325.587665] [] dump_stack+0xd7/0x132 [ 2325.603650] [] ? arch_local_irq_restore+0x1b/0x1b [ 2325.625498] [] ubsan_epilogue+0x12/0x53 [ 2325.642362] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2325.665554] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2325.691937] [] ext4_fill_super+0x7f59/0xa2df [ 2325.713420] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2325.733622] [] ? vsnprintf+0x1a0/0xa32 [ 2325.754016] [] ? pointer+0x7a9/0x7a9 [ 2325.773258] [] ? set_bdev_super+0x15d/0x15d [ 2325.795684] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2325.818949] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2325.844699] [] ? scnprintf+0xf3/0xf3 [ 2325.863069] [] mount_bdev+0x3cf/0x602 [ 2325.880665] [] ? mount_bdev+0x3cf/0x602 [ 2325.900340] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2325.923073] [] ext4_mount+0x3c/0x3e [ 2325.943850] [] mount_fs+0xd0/0x2ca [ 2325.957917] [] vfs_kern_mount+0xa0/0x20a [ 2325.974704] [] do_mount+0x11fe/0x19df [ 2325.992362] [] ? kasan_kmalloc+0x94/0xa3 [ 2326.008429] [] ? copy_mount_string+0x3d/0x3d [ 2326.028070] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2326.050245] [] ? __check_object_size+0x1e1/0x2b8 [ 2326.071193] [] ? 0xffffffffb1c002b8 [ 2326.090829] [] ? copy_mount_options+0x23d/0x24d [ 2326.109746] [] SyS_mount+0xa3/0xda [ 2326.126330] [] mount_block_root+0x2fc/0x650 [ 2326.144066] [] ? init_rootfs+0x99/0x99 [ 2326.160787] [] ? security_file_ioctl+0xa5/0xb4 [ 2326.181283] [] ? SyS_mknod+0x2f/0x36 [ 2326.199471] [] mount_root+0x45/0x48 [ 2326.214108] [] prepare_namespace+0x1cf/0x235 [ 2326.236260] [] kernel_init_freeable+0x4fa/0x518 [ 2326.253580] [] kernel_init+0x16/0x181 [ 2326.270929] [] ret_from_fork+0x1f/0x40 [ 2326.288609] [] ? rest_init+0x8f/0x8f [ 2326.306564] ================================================================================ [ 2326.332801] ================================================================================ [ 2326.363920] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2326.385323] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2326.416891] which requires 64 byte alignment [ 2326.428759] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2326.448995] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2326.480452] 00000000ffffffff 00000000b1a89c60 ffff88005c9df740 ffffffffb26ec5cc [ 2326.506280] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2326.528853] ffff880000000010 ffff88005c9df768 ffff88005c9df718 ffffffffb363c3e0 [ 2326.551581] Call Trace: [ 2326.559675] [] dump_stack+0xd7/0x132 [ 2326.577306] [] ? arch_local_irq_restore+0x1b/0x1b [ 2326.596555] [] ubsan_epilogue+0x12/0x53 [ 2326.612276] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2326.635103] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2326.660118] [] ? __percpu_counter_init+0x1ac/0x1e3 [ 2326.682734] [] ? percpu_counter_destroy+0xc8/0xc8 [ 2326.702678] [] ext4_count_dirs+0x33/0xcb [ 2326.719977] [] ext4_fill_super+0x7fc8/0xa2df [ 2326.739315] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2326.757216] [] ? vsnprintf+0x1a0/0xa32 [ 2326.773377] [] ? pointer+0x7a9/0x7a9 [ 2326.791068] [] ? set_bdev_super+0x15d/0x15d [ 2326.806797] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2326.828795] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2326.850472] [] ? scnprintf+0xf3/0xf3 [ 2326.867842] [] mount_bdev+0x3cf/0x602 [ 2326.886497] [] ? mount_bdev+0x3cf/0x602 [ 2326.904339] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2326.927305] [] ext4_mount+0x3c/0x3e [ 2326.944738] [] mount_fs+0xd0/0x2ca [ 2326.957709] [] vfs_kern_mount+0xa0/0x20a [ 2326.972664] [] do_mount+0x11fe/0x19df [ 2326.989086] [] ? kasan_kmalloc+0x94/0xa3 [ 2327.007443] [] ? copy_mount_string+0x3d/0x3d [ 2327.026599] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2327.046157] [] ? __check_object_size+0x1e1/0x2b8 [ 2327.064462] [] ? 0xffffffffb1c002b8 [ 2327.080474] [] ? copy_mount_options+0x23d/0x24d [ 2327.102097] [] SyS_mount+0xa3/0xda [ 2327.116510] [] mount_block_root+0x2fc/0x650 [ 2327.134338] [] ? init_rootfs+0x99/0x99 [ 2327.151650] [] ? security_file_ioctl+0xa5/0xb4 [ 2327.168698] [] ? SyS_mknod+0x2f/0x36 [ 2327.187652] [] mount_root+0x45/0x48 [ 2327.204863] [] prepare_namespace+0x1cf/0x235 [ 2327.223398] [] kernel_init_freeable+0x4fa/0x518 [ 2327.244371] [] kernel_init+0x16/0x181 [ 2327.258745] [] ret_from_fork+0x1f/0x40 [ 2327.275533] [] ? rest_init+0x8f/0x8f [ 2327.295573] ================================================================================ [ 2327.320676] ================================================================================ [ 2327.348069] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2827:15 [ 2327.365842] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2327.396017] which requires 64 byte alignment [ 2327.407783] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2327.426536] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2327.456750] 00000000ffffffff 00000000b1a89c60 ffff88005c9df740 ffffffffb26ec5cc [ 2327.480022] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2327.506121] ffff880000000010 ffff88005c9df768 ffff88005c9df718 ffffffffb363c3e0 [ 2327.529844] Call Trace: [ 2327.537502] [] dump_stack+0xd7/0x132 [ 2327.554229] [] ? arch_local_irq_restore+0x1b/0x1b [ 2327.576623] [] ubsan_epilogue+0x12/0x53 [ 2327.595038] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2327.618222] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2327.641537] [] ? __percpu_counter_init+0x1ac/0x1e3 [ 2327.666684] [] ? percpu_counter_destroy+0xc8/0xc8 [ 2327.690560] [] ext4_count_dirs+0x60/0xcb [ 2327.714034] [] ext4_fill_super+0x7fc8/0xa2df [ 2327.733284] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2327.759344] [] ? vsnprintf+0x1a0/0xa32 [ 2327.780694] [] ? pointer+0x7a9/0x7a9 [ 2327.799866] [] ? set_bdev_super+0x15d/0x15d [ 2327.825213] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2327.854536] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2327.881158] [] ? scnprintf+0xf3/0xf3 [ 2327.903025] [] mount_bdev+0x3cf/0x602 [ 2327.926066] [] ? mount_bdev+0x3cf/0x602 [ 2327.951750] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2327.984570] [] ext4_mount+0x3c/0x3e [ 2328.004959] [] mount_fs+0xd0/0x2ca [ 2328.030138] [] vfs_kern_mount+0xa0/0x20a [ 2328.056104] [] do_mount+0x11fe/0x19df [ 2328.084989] [] ? kasan_kmalloc+0x94/0xa3 [ 2328.106816] [] ? copy_mount_string+0x3d/0x3d [ 2328.131738] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2328.154273] [] ? __check_object_size+0x1e1/0x2b8 [ 2328.181511] [] ? 0xffffffffb1c002b8 [ 2328.199257] [] ? copy_mount_options+0x23d/0x24d [ 2328.216847] [] SyS_mount+0xa3/0xda [ 2328.235103] [] mount_block_root+0x2fc/0x650 [ 2328.256202] [] ? init_rootfs+0x99/0x99 [ 2328.274078] [] ? security_file_ioctl+0xa5/0xb4 [ 2328.298491] [] ? SyS_mknod+0x2f/0x36 [ 2328.315951] [] mount_root+0x45/0x48 [ 2328.337785] [] prepare_namespace+0x1cf/0x235 [ 2328.364648] [] kernel_init_freeable+0x4fa/0x518 [ 2328.387427] [] kernel_init+0x16/0x181 [ 2328.406528] [] ret_from_fork+0x1f/0x40 [ 2328.431728] [] ? rest_init+0x8f/0x8f [ 2328.454531] ================================================================================ [ 2328.499304] ================================================================================ [ 2328.535004] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2328.555365] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2328.628035] which requires 64 byte alignment [ 2328.669809] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2328.692584] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2328.716759] 00000000ffffffff 00000000b1a89c60 ffff88005c9df710 ffffffffb26ec5cc [ 2328.737202] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2328.762349] fffffbff00000010 ffff88005c9df738 ffff88005c9df6e8 ffffffffb363c3e0 [ 2328.782462] Call Trace: [ 2328.788470] [] dump_stack+0xd7/0x132 [ 2328.807754] [] ? arch_local_irq_restore+0x1b/0x1b [ 2328.828683] [] ubsan_epilogue+0x12/0x53 [ 2328.847558] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2328.866272] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2328.890596] [] ext4_used_dirs_count+0x5c/0xe1 [ 2328.910078] [] ext4_count_dirs+0xa9/0xcb [ 2328.929539] [] ext4_fill_super+0x7fc8/0xa2df [ 2328.951228] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2328.980581] [] ? vsnprintf+0x1a0/0xa32 [ 2329.000302] [] ? pointer+0x7a9/0x7a9 [ 2329.020850] [] ? set_bdev_super+0x15d/0x15d [ 2329.041010] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2329.070007] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2329.092281] [] ? scnprintf+0xf3/0xf3 [ 2329.112470] [] mount_bdev+0x3cf/0x602 [ 2329.136569] [] ? mount_bdev+0x3cf/0x602 [ 2329.157935] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2329.185696] [] ext4_mount+0x3c/0x3e [ 2329.203499] [] mount_fs+0xd0/0x2ca [ 2329.223426] [] vfs_kern_mount+0xa0/0x20a [ 2329.246053] [] do_mount+0x11fe/0x19df [ 2329.270502] [] ? kasan_kmalloc+0x94/0xa3 [ 2329.300898] [] ? copy_mount_string+0x3d/0x3d [ 2329.332045] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2329.354372] [] ? __check_object_size+0x1e1/0x2b8 [ 2329.385507] [] ? 0xffffffffb1c002b8 [ 2329.404146] [] ? copy_mount_options+0x23d/0x24d [ 2329.431493] [] SyS_mount+0xa3/0xda [ 2329.452309] [] mount_block_root+0x2fc/0x650 [ 2329.475815] [] ? init_rootfs+0x99/0x99 [ 2329.498315] [] ? security_file_ioctl+0xa5/0xb4 [ 2329.520543] [] ? SyS_mknod+0x2f/0x36 [ 2329.543047] [] mount_root+0x45/0x48 [ 2329.559479] [] prepare_namespace+0x1cf/0x235 [ 2329.584859] [] kernel_init_freeable+0x4fa/0x518 [ 2329.607751] [] kernel_init+0x16/0x181 [ 2329.628900] [] ret_from_fork+0x1f/0x40 [ 2329.649490] [] ? rest_init+0x8f/0x8f [ 2329.669705] ================================================================================ [ 2329.702540] ================================================================================ [ 2329.732710] UBSAN: Undefined behaviour in fs/ext4/super.c:248:4 [ 2329.753669] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2329.785642] which requires 64 byte alignment [ 2329.801709] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2329.824063] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2329.856201] 00000000ffffffff 00000000b1a89c60 ffff88005c9df710 ffffffffb26ec5cc [ 2329.883549] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2329.906821] ffff880000000010 ffff88005c9df738 ffff88005c9df6e8 ffffffffb363c3e0 [ 2329.930229] Call Trace: [ 2329.940198] [] dump_stack+0xd7/0x132 [ 2329.955492] [] ? arch_local_irq_restore+0x1b/0x1b [ 2329.976215] [] ubsan_epilogue+0x12/0x53 [ 2330.013072] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2330.038372] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2330.059067] [] ext4_used_dirs_count+0x8b/0xe1 [ 2330.078712] [] ext4_count_dirs+0xa9/0xcb [ 2330.097511] [] ext4_fill_super+0x7fc8/0xa2df [ 2330.117374] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2330.138078] [] ? vsnprintf+0x1a0/0xa32 [ 2330.155773] [] ? pointer+0x7a9/0x7a9 [ 2330.175365] [] ? set_bdev_super+0x15d/0x15d [ 2330.194634] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2330.220527] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2330.249920] [] ? scnprintf+0xf3/0xf3 [ 2330.272543] [] mount_bdev+0x3cf/0x602 [ 2330.290812] [] ? mount_bdev+0x3cf/0x602 [ 2330.321806] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2330.348582] [] ext4_mount+0x3c/0x3e [ 2330.370847] [] mount_fs+0xd0/0x2ca [ 2330.389487] [] vfs_kern_mount+0xa0/0x20a [ 2330.413423] [] do_mount+0x11fe/0x19df [ 2330.437553] [] ? kasan_kmalloc+0x94/0xa3 [ 2330.460378] [] ? copy_mount_string+0x3d/0x3d [ 2330.486315] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2330.505754] [] ? __check_object_size+0x1e1/0x2b8 [ 2330.529519] [] ? 0xffffffffb1c002b8 [ 2330.549305] [] ? copy_mount_options+0x23d/0x24d [ 2330.572954] [] SyS_mount+0xa3/0xda [ 2330.588786] [] mount_block_root+0x2fc/0x650 [ 2330.607461] [] ? init_rootfs+0x99/0x99 [ 2330.628138] [] ? security_file_ioctl+0xa5/0xb4 [ 2330.647494] [] ? SyS_mknod+0x2f/0x36 [ 2330.670724] [] mount_root+0x45/0x48 [ 2330.689973] [] prepare_namespace+0x1cf/0x235 [ 2330.707721] [] kernel_init_freeable+0x4fa/0x518 [ 2330.731599] [] kernel_init+0x16/0x181 [ 2330.749887] [] ret_from_fork+0x1f/0x40 [ 2330.771924] [] ? rest_init+0x8f/0x8f [ 2330.790104] ================================================================================ [ 2330.819498] ================================================================================ [ 2330.847814] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2330.870701] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2330.898671] which requires 64 byte alignment [ 2330.910009] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2330.929014] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2330.965841] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2330.991254] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2331.018053] ffff880000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2331.043786] Call Trace: [ 2331.051451] [] dump_stack+0xd7/0x132 [ 2331.070248] [] ? arch_local_irq_restore+0x1b/0x1b [ 2331.091927] [] ubsan_epilogue+0x12/0x53 [ 2331.108368] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2331.128900] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2331.155514] [] ? percpu_counter_destroy+0xc8/0xc8 [ 2331.180588] [] ext4_fill_super+0x806f/0xa2df [ 2331.199154] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2331.219441] [] ? vsnprintf+0x1a0/0xa32 [ 2331.234742] [] ? pointer+0x7a9/0x7a9 [ 2331.251987] [] ? set_bdev_super+0x15d/0x15d [ 2331.273795] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2331.298714] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2331.321852] [] ? scnprintf+0xf3/0xf3 [ 2331.335822] [] mount_bdev+0x3cf/0x602 [ 2331.351356] [] ? mount_bdev+0x3cf/0x602 [ 2331.372382] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2331.395111] [] ext4_mount+0x3c/0x3e [ 2331.409855] [] mount_fs+0xd0/0x2ca [ 2331.427028] [] vfs_kern_mount+0xa0/0x20a [ 2331.446305] [] do_mount+0x11fe/0x19df [ 2331.465634] [] ? kasan_kmalloc+0x94/0xa3 [ 2331.484280] [] ? copy_mount_string+0x3d/0x3d [ 2331.500291] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2331.521837] [] ? __check_object_size+0x1e1/0x2b8 [ 2331.540546] [] ? 0xffffffffb1c002b8 [ 2331.558589] [] ? copy_mount_options+0x23d/0x24d [ 2331.580992] [] SyS_mount+0xa3/0xda [ 2331.597545] [] mount_block_root+0x2fc/0x650 [ 2331.616203] [] ? init_rootfs+0x99/0x99 [ 2331.632735] [] ? security_file_ioctl+0xa5/0xb4 [ 2331.653256] [] ? SyS_mknod+0x2f/0x36 [ 2331.670985] [] mount_root+0x45/0x48 [ 2331.688160] [] prepare_namespace+0x1cf/0x235 [ 2331.705279] [] kernel_init_freeable+0x4fa/0x518 [ 2331.724340] [] kernel_init+0x16/0x181 [ 2331.740240] [] ret_from_fork+0x1f/0x40 [ 2331.754351] [] ? rest_init+0x8f/0x8f [ 2331.772852] ================================================================================ [ 2331.799048] ================================================================================ [ 2331.823199] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1783:1 [ 2331.844129] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2331.873279] which requires 64 byte alignment [ 2331.885395] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2331.902252] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2331.930334] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2331.954611] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2331.979947] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2332.003385] Call Trace: [ 2332.009743] [] dump_stack+0xd7/0x132 [ 2332.024874] [] ? arch_local_irq_restore+0x1b/0x1b [ 2332.048737] [] ubsan_epilogue+0x12/0x53 [ 2332.066742] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2332.090205] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2332.111564] [] ? percpu_counter_destroy+0xc8/0xc8 [ 2332.132962] [] ext4_fill_super+0x809b/0xa2df [ 2332.151326] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2332.176297] [] ? vsnprintf+0x1a0/0xa32 [ 2332.195921] [] ? pointer+0x7a9/0x7a9 [ 2332.212342] [] ? set_bdev_super+0x15d/0x15d [ 2332.228323] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2332.249121] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2332.275936] [] ? scnprintf+0xf3/0xf3 [ 2332.294013] [] mount_bdev+0x3cf/0x602 [ 2332.310813] [] ? mount_bdev+0x3cf/0x602 [ 2332.328746] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2332.349371] [] ext4_mount+0x3c/0x3e [ 2332.370384] [] mount_fs+0xd0/0x2ca [ 2332.386129] [] vfs_kern_mount+0xa0/0x20a [ 2332.404620] [] do_mount+0x11fe/0x19df [ 2332.421534] [] ? kasan_kmalloc+0x94/0xa3 [ 2332.438904] [] ? copy_mount_string+0x3d/0x3d [ 2332.459983] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2332.482069] [] ? __check_object_size+0x1e1/0x2b8 [ 2332.505806] [] ? 0xffffffffb1c002b8 [ 2332.522527] [] ? copy_mount_options+0x23d/0x24d [ 2332.542305] [] SyS_mount+0xa3/0xda [ 2332.557288] [] mount_block_root+0x2fc/0x650 [ 2332.578816] [] ? init_rootfs+0x99/0x99 [ 2332.596978] [] ? security_file_ioctl+0xa5/0xb4 [ 2332.614298] [] ? SyS_mknod+0x2f/0x36 [ 2332.631128] [] mount_root+0x45/0x48 [ 2332.648352] [] prepare_namespace+0x1cf/0x235 [ 2332.667033] [] kernel_init_freeable+0x4fa/0x518 [ 2332.690050] [] kernel_init+0x16/0x181 [ 2332.708827] [] ret_from_fork+0x1f/0x40 [ 2332.728297] [] ? rest_init+0x8f/0x8f [ 2332.745976] ================================================================================ [ 2332.771604] ================================================================================ [ 2332.799115] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2332.819382] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2332.846712] which requires 64 byte alignment [ 2332.858711] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2332.879163] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2332.908139] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2332.931143] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2332.957823] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2332.981473] Call Trace: [ 2332.989719] [] dump_stack+0xd7/0x132 [ 2333.006820] [] ? arch_local_irq_restore+0x1b/0x1b [ 2333.024197] [] ubsan_epilogue+0x12/0x53 [ 2333.041096] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2333.066345] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2333.087914] [] ? percpu_counter_destroy+0xc8/0xc8 [ 2333.108384] [] ext4_fill_super+0x80f7/0xa2df [ 2333.127090] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2333.149059] [] ? vsnprintf+0x1a0/0xa32 [ 2333.165056] [] ? pointer+0x7a9/0x7a9 [ 2333.180501] [] ? set_bdev_super+0x15d/0x15d [ 2333.202099] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2333.225079] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2333.248353] [] ? scnprintf+0xf3/0xf3 [ 2333.263685] [] mount_bdev+0x3cf/0x602 [ 2333.279196] [] ? mount_bdev+0x3cf/0x602 [ 2333.296038] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2333.316459] [] ext4_mount+0x3c/0x3e [ 2333.331012] [] mount_fs+0xd0/0x2ca [ 2333.348028] [] vfs_kern_mount+0xa0/0x20a [ 2333.366526] [] do_mount+0x11fe/0x19df [ 2333.380941] [] ? kasan_kmalloc+0x94/0xa3 [ 2333.398754] [] ? copy_mount_string+0x3d/0x3d [ 2333.418461] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2333.438502] [] ? __check_object_size+0x1e1/0x2b8 [ 2333.459238] [] ? 0xffffffffb1c002b8 [ 2333.476107] [] ? copy_mount_options+0x23d/0x24d [ 2333.496625] [] SyS_mount+0xa3/0xda [ 2333.511490] [] mount_block_root+0x2fc/0x650 [ 2333.529262] [] ? init_rootfs+0x99/0x99 [ 2333.547473] [] ? security_file_ioctl+0xa5/0xb4 [ 2333.567246] [] ? SyS_mknod+0x2f/0x36 [ 2333.581285] [] mount_root+0x45/0x48 [ 2333.597954] [] prepare_namespace+0x1cf/0x235 [ 2333.619149] [] kernel_init_freeable+0x4fa/0x518 [ 2333.636153] [] kernel_init+0x16/0x181 [ 2333.652653] [] ret_from_fork+0x1f/0x40 [ 2333.670824] [] ? rest_init+0x8f/0x8f [ 2333.686606] ================================================================================ [ 2333.711903] ================================================================================ [ 2333.739452] UBSAN: Undefined behaviour in fs/ext4/super.c:2146:34 [ 2333.760178] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2333.790406] which requires 64 byte alignment [ 2333.805061] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2333.824865] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2333.855329] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2333.879754] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2333.904187] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2333.926598] Call Trace: [ 2333.932351] [] dump_stack+0xd7/0x132 [ 2333.949899] [] ? arch_local_irq_restore+0x1b/0x1b [ 2333.970512] [] ubsan_epilogue+0x12/0x53 [ 2333.990538] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2334.010279] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2334.032429] [] ? percpu_counter_destroy+0xc8/0xc8 [ 2334.055041] [] ext4_fill_super+0x8110/0xa2df [ 2334.071906] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2334.095202] [] ? vsnprintf+0x1a0/0xa32 [ 2334.110776] [] ? pointer+0x7a9/0x7a9 [ 2334.128576] [] ? set_bdev_super+0x15d/0x15d [ 2334.145374] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2334.167045] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2334.189316] [] ? scnprintf+0xf3/0xf3 [ 2334.206874] [] mount_bdev+0x3cf/0x602 [ 2334.223131] [] ? mount_bdev+0x3cf/0x602 [ 2334.239994] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2334.260162] [] ext4_mount+0x3c/0x3e [ 2334.276449] [] mount_fs+0xd0/0x2ca [ 2334.290169] [] vfs_kern_mount+0xa0/0x20a [ 2334.307941] [] do_mount+0x11fe/0x19df [ 2334.323817] [] ? kasan_kmalloc+0x94/0xa3 [ 2334.339502] [] ? copy_mount_string+0x3d/0x3d [ 2334.356252] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2334.374319] [] ? __check_object_size+0x1e1/0x2b8 [ 2334.391167] [] ? 0xffffffffb1c002b8 [ 2334.410589] [] ? copy_mount_options+0x23d/0x24d [ 2334.441689] [] SyS_mount+0xa3/0xda [ 2334.463824] [] mount_block_root+0x2fc/0x650 [ 2334.486404] [] ? init_rootfs+0x99/0x99 [ 2334.512232] [] ? security_file_ioctl+0xa5/0xb4 [ 2334.530296] [] ? SyS_mknod+0x2f/0x36 [ 2334.548529] [] mount_root+0x45/0x48 [ 2334.570942] [] prepare_namespace+0x1cf/0x235 [ 2334.593825] [] kernel_init_freeable+0x4fa/0x518 [ 2334.618952] [] kernel_init+0x16/0x181 [ 2334.646208] [] ret_from_fork+0x1f/0x40 [ 2334.675749] [] ? rest_init+0x8f/0x8f [ 2334.704413] ================================================================================ [ 2334.756491] ================================================================================ [ 2334.792986] UBSAN: Undefined behaviour in fs/ext4/super.c:2146:29 [ 2334.826183] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2334.861025] which requires 64 byte alignment [ 2334.879516] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2334.907377] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2334.953349] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2334.978541] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2335.003986] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2335.027418] Call Trace: [ 2335.033825] [] dump_stack+0xd7/0x132 [ 2335.056094] [] ? arch_local_irq_restore+0x1b/0x1b [ 2335.074380] [] ubsan_epilogue+0x12/0x53 [ 2335.095797] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2335.117906] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2335.139543] [] ? percpu_counter_destroy+0xc8/0xc8 [ 2335.159301] [] ext4_fill_super+0x8159/0xa2df [ 2335.176066] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2335.196083] [] ? vsnprintf+0x1a0/0xa32 [ 2335.212587] [] ? pointer+0x7a9/0x7a9 [ 2335.227421] [] ? set_bdev_super+0x15d/0x15d [ 2335.247915] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2335.268898] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2335.289488] [] ? scnprintf+0xf3/0xf3 [ 2335.305644] [] mount_bdev+0x3cf/0x602 [ 2335.323855] [] ? mount_bdev+0x3cf/0x602 [ 2335.343680] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2335.366985] [] ext4_mount+0x3c/0x3e [ 2335.381909] [] mount_fs+0xd0/0x2ca [ 2335.399500] [] vfs_kern_mount+0xa0/0x20a [ 2335.419419] [] do_mount+0x11fe/0x19df [ 2335.436321] [] ? kasan_kmalloc+0x94/0xa3 [ 2335.455452] [] ? copy_mount_string+0x3d/0x3d [ 2335.477006] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2335.498431] [] ? __check_object_size+0x1e1/0x2b8 [ 2335.521098] [] ? 0xffffffffb1c002b8 [ 2335.538372] [] ? copy_mount_options+0x23d/0x24d [ 2335.560299] [] SyS_mount+0xa3/0xda [ 2335.577980] [] mount_block_root+0x2fc/0x650 [ 2335.599042] [] ? init_rootfs+0x99/0x99 [ 2335.618297] [] ? security_file_ioctl+0xa5/0xb4 [ 2335.638770] [] ? SyS_mknod+0x2f/0x36 [ 2335.656332] [] mount_root+0x45/0x48 [ 2335.673727] [] prepare_namespace+0x1cf/0x235 [ 2335.690093] [] kernel_init_freeable+0x4fa/0x518 [ 2335.708317] [] kernel_init+0x16/0x181 [ 2335.724780] [] ret_from_fork+0x1f/0x40 [ 2335.740193] [] ? rest_init+0x8f/0x8f [ 2335.756340] ================================================================================ [ 2335.779571] ================================================================================ [ 2335.804995] UBSAN: Undefined behaviour in fs/ext4/super.c:2147:9 [ 2335.824112] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2335.847316] which requires 64 byte alignment [ 2335.859680] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2335.878098] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2335.906394] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2335.927735] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2335.949522] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2335.968790] Call Trace: [ 2335.977347] [] dump_stack+0xd7/0x132 [ 2335.996052] [] ? arch_local_irq_restore+0x1b/0x1b [ 2336.016557] [] ubsan_epilogue+0x12/0x53 [ 2336.034318] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2336.057135] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2336.080300] [] ? percpu_counter_destroy+0xc8/0xc8 [ 2336.099789] [] ext4_fill_super+0x818f/0xa2df [ 2336.118734] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2336.139439] [] ? vsnprintf+0x1a0/0xa32 [ 2336.155359] [] ? pointer+0x7a9/0x7a9 [ 2336.172337] [] ? set_bdev_super+0x15d/0x15d [ 2336.195619] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2336.214817] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2336.239407] [] ? scnprintf+0xf3/0xf3 [ 2336.258491] [] mount_bdev+0x3cf/0x602 [ 2336.273200] [] ? mount_bdev+0x3cf/0x602 [ 2336.289789] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2336.311578] [] ext4_mount+0x3c/0x3e [ 2336.327179] [] mount_fs+0xd0/0x2ca [ 2336.342721] [] vfs_kern_mount+0xa0/0x20a [ 2336.363107] [] do_mount+0x11fe/0x19df [ 2336.382449] [] ? kasan_kmalloc+0x94/0xa3 [ 2336.400689] [] ? copy_mount_string+0x3d/0x3d [ 2336.418900] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2336.434896] [] ? __check_object_size+0x1e1/0x2b8 [ 2336.457258] [] ? 0xffffffffb1c002b8 [ 2336.474556] [] ? copy_mount_options+0x23d/0x24d [ 2336.493547] [] SyS_mount+0xa3/0xda [ 2336.509728] [] mount_block_root+0x2fc/0x650 [ 2336.529121] [] ? init_rootfs+0x99/0x99 [ 2336.546745] [] ? security_file_ioctl+0xa5/0xb4 [ 2336.565998] [] ? SyS_mknod+0x2f/0x36 [ 2336.580686] [] mount_root+0x45/0x48 [ 2336.596929] [] prepare_namespace+0x1cf/0x235 [ 2336.614106] [] kernel_init_freeable+0x4fa/0x518 [ 2336.633862] [] kernel_init+0x16/0x181 [ 2336.650113] [] ret_from_fork+0x1f/0x40 [ 2336.667623] [] ? rest_init+0x8f/0x8f [ 2336.681027] ================================================================================ [ 2336.705492] ================================================================================ [ 2336.728574] UBSAN: Undefined behaviour in fs/ext4/super.c:2152:8 [ 2336.747736] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2336.773618] which requires 64 byte alignment [ 2336.787437] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2336.805125] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2336.836284] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2336.860434] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2336.881588] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2336.907010] Call Trace: [ 2336.915665] [] dump_stack+0xd7/0x132 [ 2336.930429] [] ? arch_local_irq_restore+0x1b/0x1b [ 2336.952638] [] ubsan_epilogue+0x12/0x53 [ 2336.968950] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2336.992270] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2337.016195] [] ? percpu_counter_destroy+0xc8/0xc8 [ 2337.041985] [] ext4_fill_super+0x81e3/0xa2df [ 2337.059810] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2337.080757] [] ? vsnprintf+0x1a0/0xa32 [ 2337.097717] [] ? pointer+0x7a9/0x7a9 [ 2337.112730] [] ? set_bdev_super+0x15d/0x15d [ 2337.129961] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2337.151667] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2337.184240] [] ? scnprintf+0xf3/0xf3 [ 2337.204832] [] mount_bdev+0x3cf/0x602 [ 2337.223279] [] ? mount_bdev+0x3cf/0x602 [ 2337.239028] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2337.261126] [] ext4_mount+0x3c/0x3e [ 2337.276344] [] mount_fs+0xd0/0x2ca [ 2337.291361] [] vfs_kern_mount+0xa0/0x20a [ 2337.309760] [] do_mount+0x11fe/0x19df [ 2337.327799] [] ? kasan_kmalloc+0x94/0xa3 [ 2337.347548] [] ? copy_mount_string+0x3d/0x3d [ 2337.366634] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2337.385742] [] ? __check_object_size+0x1e1/0x2b8 [ 2337.406153] [] ? 0xffffffffb1c002b8 [ 2337.421543] [] ? copy_mount_options+0x23d/0x24d [ 2337.442384] [] SyS_mount+0xa3/0xda [ 2337.458373] [] mount_block_root+0x2fc/0x650 [ 2337.477349] [] ? init_rootfs+0x99/0x99 [ 2337.496173] [] ? security_file_ioctl+0xa5/0xb4 [ 2337.520026] [] ? SyS_mknod+0x2f/0x36 [ 2337.536081] [] mount_root+0x45/0x48 [ 2337.556411] [] prepare_namespace+0x1cf/0x235 [ 2337.577635] [] kernel_init_freeable+0x4fa/0x518 [ 2337.599743] [] kernel_init+0x16/0x181 [ 2337.618605] [] ret_from_fork+0x1f/0x40 [ 2337.636063] [] ? rest_init+0x8f/0x8f [ 2337.653694] ================================================================================ [ 2337.684664] ================================================================================ [ 2337.714773] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2337.743460] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2337.771903] which requires 64 byte alignment [ 2337.788354] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2337.806799] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2337.840695] 00000000ffffffff 00000000b1a89c60 ffff88005c9df730 ffffffffb26ec5cc [ 2337.867440] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2337.892245] ffff880000000010 ffff88005c9df758 ffff88005c9df708 ffffffffb363c3e0 [ 2337.920764] Call Trace: [ 2337.928501] [] dump_stack+0xd7/0x132 [ 2337.947177] [] ? arch_local_irq_restore+0x1b/0x1b [ 2337.968447] [] ubsan_epilogue+0x12/0x53 [ 2337.985944] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2338.006564] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2338.029499] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2338.052568] [] ext4_alloc_flex_bg_array+0x3b/0x2e7 [ 2338.071804] [] ext4_fill_super+0x8201/0xa2df [ 2338.092314] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2338.115950] [] ? vsnprintf+0x1a0/0xa32 [ 2338.135402] [] ? pointer+0x7a9/0x7a9 [ 2338.151301] [] ? set_bdev_super+0x15d/0x15d [ 2338.171146] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2338.195269] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2338.219139] [] ? scnprintf+0xf3/0xf3 [ 2338.236051] [] mount_bdev+0x3cf/0x602 [ 2338.253199] [] ? mount_bdev+0x3cf/0x602 [ 2338.271384] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2338.295819] [] ext4_mount+0x3c/0x3e [ 2338.310038] [] mount_fs+0xd0/0x2ca [ 2338.325964] [] vfs_kern_mount+0xa0/0x20a [ 2338.345006] [] do_mount+0x11fe/0x19df [ 2338.359498] [] ? kasan_kmalloc+0x94/0xa3 [ 2338.377140] [] ? copy_mount_string+0x3d/0x3d [ 2338.396510] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2338.415102] [] ? __check_object_size+0x1e1/0x2b8 [ 2338.431185] [] ? 0xffffffffb1c002b8 [ 2338.448097] [] ? copy_mount_options+0x23d/0x24d [ 2338.468978] [] SyS_mount+0xa3/0xda [ 2338.484952] [] mount_block_root+0x2fc/0x650 [ 2338.501662] [] ? init_rootfs+0x99/0x99 [ 2338.518371] [] ? security_file_ioctl+0xa5/0xb4 [ 2338.537056] [] ? SyS_mknod+0x2f/0x36 [ 2338.556620] [] mount_root+0x45/0x48 [ 2338.572057] [] prepare_namespace+0x1cf/0x235 [ 2338.592681] [] kernel_init_freeable+0x4fa/0x518 [ 2338.615822] [] kernel_init+0x16/0x181 [ 2338.630291] [] ret_from_fork+0x1f/0x40 [ 2338.647650] [] ? rest_init+0x8f/0x8f [ 2338.665160] ================================================================================ [ 2338.690279] ================================================================================ [ 2338.721290] UBSAN: Undefined behaviour in fs/ext4/super.c:2113:10 [ 2338.740936] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2338.769973] which requires 64 byte alignment [ 2338.783936] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2338.802669] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2338.831924] 00000000ffffffff 00000000b1a89c60 ffff88005c9df730 ffffffffb26ec5cc [ 2338.858873] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2338.884425] ffff880000000010 ffff88005c9df758 ffff88005c9df708 ffffffffb363c3e0 [ 2338.907468] Call Trace: [ 2338.915232] [] dump_stack+0xd7/0x132 [ 2338.931005] [] ? arch_local_irq_restore+0x1b/0x1b [ 2338.950476] [] ubsan_epilogue+0x12/0x53 [ 2338.970088] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2338.990469] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2339.011616] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2339.031829] [] ext4_alloc_flex_bg_array+0x67/0x2e7 [ 2339.054906] [] ext4_fill_super+0x8201/0xa2df [ 2339.073225] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2339.094888] [] ? vsnprintf+0x1a0/0xa32 [ 2339.112056] [] ? pointer+0x7a9/0x7a9 [ 2339.129655] [] ? set_bdev_super+0x15d/0x15d [ 2339.149865] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2339.173128] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2339.196143] [] ? scnprintf+0xf3/0xf3 [ 2339.212266] [] mount_bdev+0x3cf/0x602 [ 2339.229037] [] ? mount_bdev+0x3cf/0x602 [ 2339.248045] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2339.267956] [] ext4_mount+0x3c/0x3e [ 2339.285622] [] mount_fs+0xd0/0x2ca [ 2339.300421] [] vfs_kern_mount+0xa0/0x20a [ 2339.316985] [] do_mount+0x11fe/0x19df [ 2339.333279] [] ? kasan_kmalloc+0x94/0xa3 [ 2339.349299] [] ? copy_mount_string+0x3d/0x3d [ 2339.368320] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2339.387704] [] ? __check_object_size+0x1e1/0x2b8 [ 2339.406740] [] ? 0xffffffffb1c002b8 [ 2339.424591] [] ? copy_mount_options+0x23d/0x24d [ 2339.443103] [] SyS_mount+0xa3/0xda [ 2339.456474] [] mount_block_root+0x2fc/0x650 [ 2339.474019] [] ? init_rootfs+0x99/0x99 [ 2339.489590] [] ? security_file_ioctl+0xa5/0xb4 [ 2339.507809] [] ? SyS_mknod+0x2f/0x36 [ 2339.524944] [] mount_root+0x45/0x48 [ 2339.540830] [] prepare_namespace+0x1cf/0x235 [ 2339.559791] [] kernel_init_freeable+0x4fa/0x518 [ 2339.577462] [] kernel_init+0x16/0x181 [ 2339.596950] [] ret_from_fork+0x1f/0x40 [ 2339.611433] [] ? rest_init+0x8f/0x8f [ 2339.628175] ================================================================================ [ 2339.659289] ================================================================================ [ 2339.685293] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2836:27 [ 2339.704254] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2339.734048] which requires 64 byte alignment [ 2339.748022] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2339.767755] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2339.797057] 00000000ffffffff 00000000b1a89c60 ffff88005c9df730 ffffffffb26ec5cc [ 2339.821496] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2339.846469] ffff880000000010 ffff88005c9df758 ffff88005c9df708 ffffffffb363c3e0 [ 2339.871330] Call Trace: [ 2339.881986] [] dump_stack+0xd7/0x132 [ 2339.900346] [] ? arch_local_irq_restore+0x1b/0x1b [ 2339.922247] [] ubsan_epilogue+0x12/0x53 [ 2339.940616] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2339.966067] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2339.992027] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2340.015199] [] ext4_alloc_flex_bg_array+0xa4/0x2e7 [ 2340.037569] [] ext4_fill_super+0x8201/0xa2df [ 2340.054470] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2340.078147] [] ? vsnprintf+0x1a0/0xa32 [ 2340.095076] [] ? pointer+0x7a9/0x7a9 [ 2340.112364] [] ? set_bdev_super+0x15d/0x15d [ 2340.130741] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2340.152913] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2340.174491] [] ? scnprintf+0xf3/0xf3 [ 2340.192038] [] mount_bdev+0x3cf/0x602 [ 2340.210042] [] ? mount_bdev+0x3cf/0x602 [ 2340.226570] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2340.246773] [] ext4_mount+0x3c/0x3e [ 2340.261957] [] mount_fs+0xd0/0x2ca [ 2340.274958] [] vfs_kern_mount+0xa0/0x20a [ 2340.291585] [] do_mount+0x11fe/0x19df [ 2340.308585] [] ? kasan_kmalloc+0x94/0xa3 [ 2340.327328] [] ? copy_mount_string+0x3d/0x3d [ 2340.346974] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2340.365354] [] ? __check_object_size+0x1e1/0x2b8 [ 2340.387723] [] ? 0xffffffffb1c002b8 [ 2340.400924] [] ? copy_mount_options+0x23d/0x24d [ 2340.420947] [] SyS_mount+0xa3/0xda [ 2340.435777] [] mount_block_root+0x2fc/0x650 [ 2340.454535] [] ? init_rootfs+0x99/0x99 [ 2340.472150] [] ? security_file_ioctl+0xa5/0xb4 [ 2340.492268] [] ? SyS_mknod+0x2f/0x36 [ 2340.507727] [] mount_root+0x45/0x48 [ 2340.523856] [] prepare_namespace+0x1cf/0x235 [ 2340.543820] [] kernel_init_freeable+0x4fa/0x518 [ 2340.565584] [] kernel_init+0x16/0x181 [ 2340.581542] [] ret_from_fork+0x1f/0x40 [ 2340.598751] [] ? rest_init+0x8f/0x8f [ 2340.614717] ================================================================================ [ 2340.652259] ================================================================================ [ 2340.691170] UBSAN: Undefined behaviour in fs/ext4/super.c:2117:17 [ 2340.715480] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2340.745672] which requires 64 byte alignment [ 2340.758204] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2340.775985] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2340.806073] 00000000ffffffff 00000000b1a89c60 ffff88005c9df730 ffffffffb26ec5cc [ 2340.828520] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2340.850952] ffff880000000010 ffff88005c9df758 ffff88005c9df708 ffffffffb363c3e0 [ 2340.875093] Call Trace: [ 2340.882774] [] dump_stack+0xd7/0x132 [ 2340.897838] [] ? arch_local_irq_restore+0x1b/0x1b [ 2340.913918] [] ubsan_epilogue+0x12/0x53 [ 2340.930245] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2340.951133] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2340.971424] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2340.990485] [] ext4_alloc_flex_bg_array+0xe8/0x2e7 [ 2341.009455] [] ext4_fill_super+0x8201/0xa2df [ 2341.025686] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2341.045759] [] ? vsnprintf+0x1a0/0xa32 [ 2341.064170] [] ? pointer+0x7a9/0x7a9 [ 2341.079053] [] ? set_bdev_super+0x15d/0x15d [ 2341.102453] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2341.123991] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2341.147529] [] ? scnprintf+0xf3/0xf3 [ 2341.165299] [] mount_bdev+0x3cf/0x602 [ 2341.183467] [] ? mount_bdev+0x3cf/0x602 [ 2341.200125] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2341.221956] [] ext4_mount+0x3c/0x3e [ 2341.239553] [] mount_fs+0xd0/0x2ca [ 2341.252861] [] vfs_kern_mount+0xa0/0x20a [ 2341.269139] [] do_mount+0x11fe/0x19df [ 2341.287032] [] ? kasan_kmalloc+0x94/0xa3 [ 2341.309833] [] ? copy_mount_string+0x3d/0x3d [ 2341.327230] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2341.346959] [] ? __check_object_size+0x1e1/0x2b8 [ 2341.367099] [] ? 0xffffffffb1c002b8 [ 2341.384717] [] ? copy_mount_options+0x23d/0x24d [ 2341.403353] [] SyS_mount+0xa3/0xda [ 2341.419418] [] mount_block_root+0x2fc/0x650 [ 2341.437619] [] ? init_rootfs+0x99/0x99 [ 2341.452665] [] ? security_file_ioctl+0xa5/0xb4 [ 2341.471531] [] ? SyS_mknod+0x2f/0x36 [ 2341.491408] [] mount_root+0x45/0x48 [ 2341.510257] [] prepare_namespace+0x1cf/0x235 [ 2341.527957] [] kernel_init_freeable+0x4fa/0x518 [ 2341.549682] [] kernel_init+0x16/0x181 [ 2341.566202] [] ret_from_fork+0x1f/0x40 [ 2341.579586] [] ? rest_init+0x8f/0x8f [ 2341.598384] ================================================================================ [ 2341.628453] ================================================================================ [ 2341.654612] UBSAN: Undefined behaviour in fs/ext4/super.c:2128:9 [ 2341.672318] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2341.697319] which requires 64 byte alignment [ 2341.709599] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2341.729204] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2341.757880] 00000000ffffffff 00000000b1a89c60 ffff88005c9df730 ffffffffb26ec5cc [ 2341.782159] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2341.807823] ffff880000000010 ffff88005c9df758 ffff88005c9df708 ffffffffb363c3e0 [ 2341.833976] Call Trace: [ 2341.841531] [] dump_stack+0xd7/0x132 [ 2341.856413] [] ? arch_local_irq_restore+0x1b/0x1b [ 2341.877492] [] ubsan_epilogue+0x12/0x53 [ 2341.894599] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2341.914449] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2341.938229] [] ext4_alloc_flex_bg_array+0x1d4/0x2e7 [ 2341.960869] [] ext4_fill_super+0x8201/0xa2df [ 2341.978910] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2342.003278] [] ? vsnprintf+0x1a0/0xa32 [ 2342.019814] [] ? pointer+0x7a9/0x7a9 [ 2342.036901] [] ? set_bdev_super+0x15d/0x15d [ 2342.052450] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2342.076069] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2342.098385] [] ? scnprintf+0xf3/0xf3 [ 2342.114385] [] mount_bdev+0x3cf/0x602 [ 2342.131536] [] ? mount_bdev+0x3cf/0x602 [ 2342.147436] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2342.165751] [] ext4_mount+0x3c/0x3e [ 2342.181347] [] mount_fs+0xd0/0x2ca [ 2342.194223] [] vfs_kern_mount+0xa0/0x20a [ 2342.210150] [] do_mount+0x11fe/0x19df [ 2342.224842] [] ? kasan_kmalloc+0x94/0xa3 [ 2342.240733] [] ? copy_mount_string+0x3d/0x3d [ 2342.256903] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2342.273321] [] ? __check_object_size+0x1e1/0x2b8 [ 2342.294185] [] ? 0xffffffffb1c002b8 [ 2342.309779] [] ? copy_mount_options+0x23d/0x24d [ 2342.327127] [] SyS_mount+0xa3/0xda [ 2342.341900] [] mount_block_root+0x2fc/0x650 [ 2342.362059] [] ? init_rootfs+0x99/0x99 [ 2342.386862] [] ? security_file_ioctl+0xa5/0xb4 [ 2342.415889] [] ? SyS_mknod+0x2f/0x36 [ 2342.435858] [] mount_root+0x45/0x48 [ 2342.466725] [] prepare_namespace+0x1cf/0x235 [ 2342.503370] [] kernel_init_freeable+0x4fa/0x518 [ 2342.594846] [] kernel_init+0x16/0x181 [ 2342.626189] [] ret_from_fork+0x1f/0x40 [ 2342.669662] [] ? rest_init+0x8f/0x8f [ 2342.686187] ================================================================================ [ 2342.709337] ================================================================================ [ 2342.735563] UBSAN: Undefined behaviour in fs/ext4/super.c:2134:21 [ 2342.754258] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2342.779433] which requires 64 byte alignment [ 2342.791310] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2342.807024] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2342.838147] 00000000ffffffff 00000000b1a89c60 ffff88005c9df730 ffffffffb26ec5cc [ 2342.864573] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2342.893999] ffff880000000010 ffff88005c9df758 ffff88005c9df708 ffffffffb363c3e0 [ 2342.919991] Call Trace: [ 2342.927298] [] dump_stack+0xd7/0x132 [ 2342.946738] [] ? arch_local_irq_restore+0x1b/0x1b [ 2342.965212] [] ubsan_epilogue+0x12/0x53 [ 2342.982554] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2343.002823] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2343.024531] [] ext4_alloc_flex_bg_array+0x292/0x2e7 [ 2343.043909] [] ext4_fill_super+0x8201/0xa2df [ 2343.060622] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2343.077938] [] ? vsnprintf+0x1a0/0xa32 [ 2343.093473] [] ? pointer+0x7a9/0x7a9 [ 2343.109203] [] ? set_bdev_super+0x15d/0x15d [ 2343.125749] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2343.144641] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2343.164812] [] ? scnprintf+0xf3/0xf3 [ 2343.177792] [] mount_bdev+0x3cf/0x602 [ 2343.192435] [] ? mount_bdev+0x3cf/0x602 [ 2343.208789] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2343.225817] [] ext4_mount+0x3c/0x3e [ 2343.240765] [] mount_fs+0xd0/0x2ca [ 2343.253929] [] vfs_kern_mount+0xa0/0x20a [ 2343.269798] [] do_mount+0x11fe/0x19df [ 2343.288333] [] ? kasan_kmalloc+0x94/0xa3 [ 2343.303137] [] ? copy_mount_string+0x3d/0x3d [ 2343.324741] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2343.343643] [] ? __check_object_size+0x1e1/0x2b8 [ 2343.365129] [] ? 0xffffffffb1c002b8 [ 2343.379250] [] ? copy_mount_options+0x23d/0x24d [ 2343.397801] [] SyS_mount+0xa3/0xda [ 2343.409587] [] mount_block_root+0x2fc/0x650 [ 2343.428009] [] ? init_rootfs+0x99/0x99 [ 2343.446277] [] ? security_file_ioctl+0xa5/0xb4 [ 2343.463769] [] ? SyS_mknod+0x2f/0x36 [ 2343.480438] [] mount_root+0x45/0x48 [ 2343.494369] [] prepare_namespace+0x1cf/0x235 [ 2343.514395] [] kernel_init_freeable+0x4fa/0x518 [ 2343.533939] [] kernel_init+0x16/0x181 [ 2343.547643] [] ret_from_fork+0x1f/0x40 [ 2343.564465] [] ? rest_init+0x8f/0x8f [ 2343.576800] ================================================================================ [ 2343.600159] ================================================================================ [ 2343.638335] UBSAN: Undefined behaviour in fs/ext4/super.c:2135:31 [ 2343.661838] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2343.689137] which requires 64 byte alignment [ 2343.701528] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2343.719849] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2343.746681] 00000000ffffffff 00000000b1a89c60 ffff88005c9df730 ffffffffb26ec5cc [ 2343.770772] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2343.793679] ffff880000000010 ffff88005c9df758 ffff88005c9df708 ffffffffb363c3e0 [ 2343.817150] Call Trace: [ 2343.823756] [] dump_stack+0xd7/0x132 [ 2343.839478] [] ? arch_local_irq_restore+0x1b/0x1b [ 2343.856657] [] ubsan_epilogue+0x12/0x53 [ 2343.872316] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2343.897847] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2343.920195] [] ext4_alloc_flex_bg_array+0x2c2/0x2e7 [ 2343.935818] [] ext4_fill_super+0x8201/0xa2df [ 2343.955677] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2343.974395] [] ? vsnprintf+0x1a0/0xa32 [ 2343.990628] [] ? pointer+0x7a9/0x7a9 [ 2344.006336] [] ? set_bdev_super+0x15d/0x15d [ 2344.023036] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2344.041188] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2344.064302] [] ? scnprintf+0xf3/0xf3 [ 2344.079796] [] mount_bdev+0x3cf/0x602 [ 2344.098971] [] ? mount_bdev+0x3cf/0x602 [ 2344.117184] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2344.136354] [] ext4_mount+0x3c/0x3e [ 2344.150662] [] mount_fs+0xd0/0x2ca [ 2344.167890] [] vfs_kern_mount+0xa0/0x20a [ 2344.188383] [] do_mount+0x11fe/0x19df [ 2344.203916] [] ? kasan_kmalloc+0x94/0xa3 [ 2344.221595] [] ? copy_mount_string+0x3d/0x3d [ 2344.241459] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2344.259566] [] ? __check_object_size+0x1e1/0x2b8 [ 2344.278169] [] ? 0xffffffffb1c002b8 [ 2344.293227] [] ? copy_mount_options+0x23d/0x24d [ 2344.311336] [] SyS_mount+0xa3/0xda [ 2344.325165] [] mount_block_root+0x2fc/0x650 [ 2344.341791] [] ? init_rootfs+0x99/0x99 [ 2344.356696] [] ? security_file_ioctl+0xa5/0xb4 [ 2344.377600] [] ? SyS_mknod+0x2f/0x36 [ 2344.393485] [] mount_root+0x45/0x48 [ 2344.410182] [] prepare_namespace+0x1cf/0x235 [ 2344.428681] [] kernel_init_freeable+0x4fa/0x518 [ 2344.445657] [] kernel_init+0x16/0x181 [ 2344.462897] [] ret_from_fork+0x1f/0x40 [ 2344.477265] [] ? rest_init+0x8f/0x8f [ 2344.495675] ================================================================================ [ 2344.520749] ================================================================================ [ 2344.545723] UBSAN: Undefined behaviour in fs/ext4/super.c:2156:21 [ 2344.565816] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2344.592149] which requires 64 byte alignment [ 2344.605361] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2344.623614] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2344.650858] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2344.673576] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2344.695274] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2344.719577] Call Trace: [ 2344.726520] [] dump_stack+0xd7/0x132 [ 2344.742085] [] ? arch_local_irq_restore+0x1b/0x1b [ 2344.763180] [] ubsan_epilogue+0x12/0x53 [ 2344.777949] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2344.798691] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2344.823159] [] ? ext4_alloc_flex_bg_array+0x2d8/0x2e7 [ 2344.844756] [] ext4_fill_super+0x823f/0xa2df [ 2344.859808] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2344.879474] [] ? vsnprintf+0x1a0/0xa32 [ 2344.896377] [] ? pointer+0x7a9/0x7a9 [ 2344.912128] [] ? set_bdev_super+0x15d/0x15d [ 2344.930557] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2344.957973] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2344.977908] [] ? scnprintf+0xf3/0xf3 [ 2344.992083] [] mount_bdev+0x3cf/0x602 [ 2345.007332] [] ? mount_bdev+0x3cf/0x602 [ 2345.020751] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2345.040267] [] ext4_mount+0x3c/0x3e [ 2345.058036] [] mount_fs+0xd0/0x2ca [ 2345.071804] [] vfs_kern_mount+0xa0/0x20a [ 2345.090599] [] do_mount+0x11fe/0x19df [ 2345.105020] [] ? kasan_kmalloc+0x94/0xa3 [ 2345.121587] [] ? copy_mount_string+0x3d/0x3d [ 2345.139515] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2345.155572] [] ? __check_object_size+0x1e1/0x2b8 [ 2345.175208] [] ? 0xffffffffb1c002b8 [ 2345.193264] [] ? copy_mount_options+0x23d/0x24d [ 2345.212986] [] SyS_mount+0xa3/0xda [ 2345.227626] [] mount_block_root+0x2fc/0x650 [ 2345.244522] [] ? init_rootfs+0x99/0x99 [ 2345.259055] [] ? security_file_ioctl+0xa5/0xb4 [ 2345.279290] [] ? SyS_mknod+0x2f/0x36 [ 2345.297652] [] mount_root+0x45/0x48 [ 2345.314592] [] prepare_namespace+0x1cf/0x235 [ 2345.333240] [] kernel_init_freeable+0x4fa/0x518 [ 2345.351784] [] kernel_init+0x16/0x181 [ 2345.367019] [] ret_from_fork+0x1f/0x40 [ 2345.384735] [] ? rest_init+0x8f/0x8f [ 2345.398941] ================================================================================ [ 2345.424048] ================================================================================ [ 2345.449666] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2836:27 [ 2345.468030] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2345.492441] which requires 64 byte alignment [ 2345.504319] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2345.520302] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2345.547925] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2345.571024] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2345.599981] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2345.622223] Call Trace: [ 2345.629173] [] dump_stack+0xd7/0x132 [ 2345.643359] [] ? arch_local_irq_restore+0x1b/0x1b [ 2345.664575] [] ubsan_epilogue+0x12/0x53 [ 2345.678290] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2345.700225] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2345.721427] [] ? ext4_get_group_desc+0x353/0x365 [ 2345.739684] [] ext4_fill_super+0x8294/0xa2df [ 2345.756722] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2345.777645] [] ? vsnprintf+0x1a0/0xa32 [ 2345.791799] [] ? pointer+0x7a9/0x7a9 [ 2345.808733] [] ? set_bdev_super+0x15d/0x15d [ 2345.825083] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2345.849360] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2345.870569] [] ? scnprintf+0xf3/0xf3 [ 2345.885719] [] mount_bdev+0x3cf/0x602 [ 2345.899285] [] ? mount_bdev+0x3cf/0x602 [ 2345.915804] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2345.937676] [] ext4_mount+0x3c/0x3e [ 2345.957676] [] mount_fs+0xd0/0x2ca [ 2345.969887] [] vfs_kern_mount+0xa0/0x20a [ 2345.986724] [] do_mount+0x11fe/0x19df [ 2346.003186] [] ? kasan_kmalloc+0x94/0xa3 [ 2346.020053] [] ? copy_mount_string+0x3d/0x3d [ 2346.040218] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2346.058440] [] ? __check_object_size+0x1e1/0x2b8 [ 2346.076196] [] ? 0xffffffffb1c002b8 [ 2346.093192] [] ? copy_mount_options+0x23d/0x24d [ 2346.112052] [] SyS_mount+0xa3/0xda [ 2346.125405] [] mount_block_root+0x2fc/0x650 [ 2346.144292] [] ? init_rootfs+0x99/0x99 [ 2346.157973] [] ? security_file_ioctl+0xa5/0xb4 [ 2346.176761] [] ? SyS_mknod+0x2f/0x36 [ 2346.193376] [] mount_root+0x45/0x48 [ 2346.207521] [] prepare_namespace+0x1cf/0x235 [ 2346.226393] [] kernel_init_freeable+0x4fa/0x518 [ 2346.244247] [] kernel_init+0x16/0x181 [ 2346.259585] [] ret_from_fork+0x1f/0x40 [ 2346.274920] [] ? rest_init+0x8f/0x8f [ 2346.290044] ================================================================================ [ 2346.316150] ================================================================================ [ 2346.343226] UBSAN: Undefined behaviour in fs/ext4/super.c:2161:11 [ 2346.359424] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2346.389642] which requires 64 byte alignment [ 2346.403597] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2346.419595] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2346.444367] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2346.468860] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2346.494832] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2346.520144] Call Trace: [ 2346.525701] [] dump_stack+0xd7/0x132 [ 2346.540420] [] ? arch_local_irq_restore+0x1b/0x1b [ 2346.560499] [] ubsan_epilogue+0x12/0x53 [ 2346.575415] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2346.595440] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2346.618814] [] ? ext4_get_group_desc+0x353/0x365 [ 2346.637492] [] ext4_fill_super+0x82f8/0xa2df [ 2346.655270] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2346.677864] [] ? vsnprintf+0x1a0/0xa32 [ 2346.693854] [] ? pointer+0x7a9/0x7a9 [ 2346.710839] [] ? set_bdev_super+0x15d/0x15d [ 2346.727016] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2346.748594] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2346.774042] [] ? scnprintf+0xf3/0xf3 [ 2346.789863] [] mount_bdev+0x3cf/0x602 [ 2346.806979] [] ? mount_bdev+0x3cf/0x602 [ 2346.825713] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2346.846138] [] ext4_mount+0x3c/0x3e [ 2346.861211] [] mount_fs+0xd0/0x2ca [ 2346.877837] [] vfs_kern_mount+0xa0/0x20a [ 2346.896469] [] do_mount+0x11fe/0x19df [ 2346.911139] [] ? kasan_kmalloc+0x94/0xa3 [ 2346.928805] [] ? copy_mount_string+0x3d/0x3d [ 2346.945107] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2346.966894] [] ? __check_object_size+0x1e1/0x2b8 [ 2346.984884] [] ? 0xffffffffb1c002b8 [ 2346.997619] [] ? copy_mount_options+0x23d/0x24d [ 2347.018278] [] SyS_mount+0xa3/0xda [ 2347.032642] [] mount_block_root+0x2fc/0x650 [ 2347.050591] [] ? init_rootfs+0x99/0x99 [ 2347.066586] [] ? security_file_ioctl+0xa5/0xb4 [ 2347.084563] [] ? SyS_mknod+0x2f/0x36 [ 2347.168629] [] mount_root+0x45/0x48 [ 2347.182849] [] prepare_namespace+0x1cf/0x235 [ 2347.200710] [] kernel_init_freeable+0x4fa/0x518 [ 2347.223863] [] kernel_init+0x16/0x181 [ 2347.240108] [] ret_from_fork+0x1f/0x40 [ 2347.253903] [] ? rest_init+0x8f/0x8f [ 2347.271077] ================================================================================ [ 2347.294073] ================================================================================ [ 2347.319147] UBSAN: Undefined behaviour in fs/ext4/super.c:2163:13 [ 2347.336880] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2347.366039] which requires 64 byte alignment [ 2347.377482] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2347.396067] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2347.428544] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2347.453247] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2347.476174] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2347.502304] Call Trace: [ 2347.509181] [] dump_stack+0xd7/0x132 [ 2347.524689] [] ? arch_local_irq_restore+0x1b/0x1b [ 2347.542674] [] ubsan_epilogue+0x12/0x53 [ 2347.556477] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2347.578757] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2347.599142] [] ext4_fill_super+0x835b/0xa2df [ 2347.615504] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2347.634521] [] ? vsnprintf+0x1a0/0xa32 [ 2347.650275] [] ? pointer+0x7a9/0x7a9 [ 2347.667465] [] ? set_bdev_super+0x15d/0x15d [ 2347.684440] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2347.704305] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2347.727688] [] ? scnprintf+0xf3/0xf3 [ 2347.743794] [] mount_bdev+0x3cf/0x602 [ 2347.760033] [] ? mount_bdev+0x3cf/0x602 [ 2347.776138] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2347.797222] [] ext4_mount+0x3c/0x3e [ 2347.812485] [] mount_fs+0xd0/0x2ca [ 2347.830158] [] vfs_kern_mount+0xa0/0x20a [ 2347.848197] [] do_mount+0x11fe/0x19df [ 2347.865781] [] ? kasan_kmalloc+0x94/0xa3 [ 2347.881910] [] ? copy_mount_string+0x3d/0x3d [ 2347.899222] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2347.916545] [] ? __check_object_size+0x1e1/0x2b8 [ 2347.935698] [] ? 0xffffffffb1c002b8 [ 2347.952130] [] ? copy_mount_options+0x23d/0x24d [ 2347.973782] [] SyS_mount+0xa3/0xda [ 2347.991341] [] mount_block_root+0x2fc/0x650 [ 2348.006118] [] ? init_rootfs+0x99/0x99 [ 2348.020776] [] ? security_file_ioctl+0xa5/0xb4 [ 2348.038883] [] ? SyS_mknod+0x2f/0x36 [ 2348.057133] [] mount_root+0x45/0x48 [ 2348.070961] [] prepare_namespace+0x1cf/0x235 [ 2348.089537] [] kernel_init_freeable+0x4fa/0x518 [ 2348.111700] [] kernel_init+0x16/0x181 [ 2348.127487] [] ret_from_fork+0x1f/0x40 [ 2348.145786] [] ? rest_init+0x8f/0x8f [ 2348.163230] ================================================================================ [ 2348.188639] ================================================================================ [ 2348.215214] UBSAN: Undefined behaviour in fs/ext4/super.c:2165:11 [ 2348.231172] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2348.260871] which requires 64 byte alignment [ 2348.271406] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2348.288955] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2348.312695] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2348.336419] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2348.358163] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2348.380203] Call Trace: [ 2348.389323] [] dump_stack+0xd7/0x132 [ 2348.406104] [] ? arch_local_irq_restore+0x1b/0x1b [ 2348.423763] [] ubsan_epilogue+0x12/0x53 [ 2348.441146] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2348.462369] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2348.483543] [] ext4_fill_super+0x83b2/0xa2df [ 2348.501027] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2348.526793] [] ? vsnprintf+0x1a0/0xa32 [ 2348.542398] [] ? pointer+0x7a9/0x7a9 [ 2348.558166] [] ? set_bdev_super+0x15d/0x15d [ 2348.578765] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2348.600989] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2348.626306] [] ? scnprintf+0xf3/0xf3 [ 2348.643285] [] mount_bdev+0x3cf/0x602 [ 2348.659248] [] ? mount_bdev+0x3cf/0x602 [ 2348.677205] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2348.699905] [] ext4_mount+0x3c/0x3e [ 2348.717411] [] mount_fs+0xd0/0x2ca [ 2348.731522] [] vfs_kern_mount+0xa0/0x20a [ 2348.747151] [] do_mount+0x11fe/0x19df [ 2348.763191] [] ? kasan_kmalloc+0x94/0xa3 [ 2348.778101] [] ? copy_mount_string+0x3d/0x3d [ 2348.795241] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2348.814916] [] ? __check_object_size+0x1e1/0x2b8 [ 2348.835553] [] ? 0xffffffffb1c002b8 [ 2348.850384] [] ? copy_mount_options+0x23d/0x24d [ 2348.873890] [] SyS_mount+0xa3/0xda [ 2348.891848] [] mount_block_root+0x2fc/0x650 [ 2348.908431] [] ? init_rootfs+0x99/0x99 [ 2348.924431] [] ? security_file_ioctl+0xa5/0xb4 [ 2348.941500] [] ? SyS_mknod+0x2f/0x36 [ 2348.955510] [] mount_root+0x45/0x48 [ 2348.970551] [] prepare_namespace+0x1cf/0x235 [ 2348.988888] [] kernel_init_freeable+0x4fa/0x518 [ 2349.008220] [] kernel_init+0x16/0x181 [ 2349.023475] [] ret_from_fork+0x1f/0x40 [ 2349.038887] [] ? rest_init+0x8f/0x8f [ 2349.055589] ================================================================================ [ 2349.082846] ================================================================================ [ 2349.108636] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2349.124726] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2349.151108] which requires 64 byte alignment [ 2349.166848] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2349.184414] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2349.213797] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2349.237006] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2349.260185] ffffffff00000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2349.280545] Call Trace: [ 2349.289344] [] dump_stack+0xd7/0x132 [ 2349.304331] [] ? arch_local_irq_restore+0x1b/0x1b [ 2349.325296] [] ubsan_epilogue+0x12/0x53 [ 2349.343707] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2349.364395] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2349.386047] [] ext4_register_li_request+0x98/0x634 [ 2349.404004] [] ? ext4_group_desc_csum_set+0x71/0x71 [ 2349.422593] [] ext4_fill_super+0x841e/0xa2df [ 2349.441037] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2349.460849] [] ? vsnprintf+0x1a0/0xa32 [ 2349.475807] [] ? pointer+0x7a9/0x7a9 [ 2349.490808] [] ? set_bdev_super+0x15d/0x15d [ 2349.508751] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2349.530639] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2349.550330] [] ? scnprintf+0xf3/0xf3 [ 2349.568222] [] mount_bdev+0x3cf/0x602 [ 2349.586327] [] ? mount_bdev+0x3cf/0x602 [ 2349.600629] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2349.620341] [] ext4_mount+0x3c/0x3e [ 2349.635131] [] mount_fs+0xd0/0x2ca [ 2349.649489] [] vfs_kern_mount+0xa0/0x20a [ 2349.665450] [] do_mount+0x11fe/0x19df [ 2349.681828] [] ? kasan_kmalloc+0x94/0xa3 [ 2349.697636] [] ? copy_mount_string+0x3d/0x3d [ 2349.716778] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2349.733752] [] ? __check_object_size+0x1e1/0x2b8 [ 2349.751739] [] ? 0xffffffffb1c002b8 [ 2349.768269] [] ? copy_mount_options+0x23d/0x24d [ 2349.787052] [] SyS_mount+0xa3/0xda [ 2349.802340] [] mount_block_root+0x2fc/0x650 [ 2349.819710] [] ? init_rootfs+0x99/0x99 [ 2349.837622] [] ? security_file_ioctl+0xa5/0xb4 [ 2349.855421] [] ? SyS_mknod+0x2f/0x36 [ 2349.869383] [] mount_root+0x45/0x48 [ 2349.886819] [] prepare_namespace+0x1cf/0x235 [ 2349.905817] [] kernel_init_freeable+0x4fa/0x518 [ 2349.922249] [] kernel_init+0x16/0x181 [ 2349.940509] [] ret_from_fork+0x1f/0x40 [ 2349.956639] [] ? rest_init+0x8f/0x8f [ 2349.979589] ================================================================================ [ 2350.007700] ================================================================================ [ 2350.031730] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2350.049292] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2350.074605] which requires 64 byte alignment [ 2350.088948] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2350.107324] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2350.133793] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2350.159325] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2350.181421] ffffffff00000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2350.210568] Call Trace: [ 2350.216427] [] dump_stack+0xd7/0x132 [ 2350.231328] [] ? arch_local_irq_restore+0x1b/0x1b [ 2350.255710] [] ubsan_epilogue+0x12/0x53 [ 2350.269546] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2350.290864] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2350.314972] [] ext4_register_li_request+0xca/0x634 [ 2350.332854] [] ? ext4_group_desc_csum_set+0x71/0x71 [ 2350.350026] [] ext4_fill_super+0x841e/0xa2df [ 2350.368667] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2350.389320] [] ? vsnprintf+0x1a0/0xa32 [ 2350.403995] [] ? pointer+0x7a9/0x7a9 [ 2350.418611] [] ? set_bdev_super+0x15d/0x15d [ 2350.436680] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2350.459208] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2350.479930] [] ? scnprintf+0xf3/0xf3 [ 2350.497439] [] mount_bdev+0x3cf/0x602 [ 2350.513564] [] ? mount_bdev+0x3cf/0x602 [ 2350.528166] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2350.547073] [] ext4_mount+0x3c/0x3e [ 2350.561852] [] mount_fs+0xd0/0x2ca [ 2350.577961] [] vfs_kern_mount+0xa0/0x20a [ 2350.594977] [] do_mount+0x11fe/0x19df [ 2350.610214] [] ? kasan_kmalloc+0x94/0xa3 [ 2350.629706] [] ? copy_mount_string+0x3d/0x3d [ 2350.652269] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2350.668802] [] ? __check_object_size+0x1e1/0x2b8 [ 2350.689430] [] ? 0xffffffffb1c002b8 [ 2350.704584] [] ? copy_mount_options+0x23d/0x24d [ 2350.722365] [] SyS_mount+0xa3/0xda [ 2350.738102] [] mount_block_root+0x2fc/0x650 [ 2350.752480] [] ? init_rootfs+0x99/0x99 [ 2350.769724] [] ? security_file_ioctl+0xa5/0xb4 [ 2350.789157] [] ? SyS_mknod+0x2f/0x36 [ 2350.808484] [] mount_root+0x45/0x48 [ 2350.820922] [] prepare_namespace+0x1cf/0x235 [ 2350.842101] [] kernel_init_freeable+0x4fa/0x518 [ 2350.859535] [] kernel_init+0x16/0x181 [ 2350.873846] [] ret_from_fork+0x1f/0x40 [ 2350.888958] [] ? rest_init+0x8f/0x8f [ 2350.906157] ================================================================================ [ 2350.930268] ================================================================================ [ 2350.956594] UBSAN: Undefined behaviour in fs/ext4/super.c:3023:15 [ 2350.972796] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2351.001742] which requires 64 byte alignment [ 2351.013846] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2351.031195] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2351.061908] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2351.083509] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2351.104626] ffffffff00000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2351.128762] Call Trace: [ 2351.134976] [] dump_stack+0xd7/0x132 [ 2351.150134] [] ? arch_local_irq_restore+0x1b/0x1b [ 2351.170037] [] ubsan_epilogue+0x12/0x53 [ 2351.190733] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2351.212371] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2351.232684] [] ext4_register_li_request+0xe4/0x634 [ 2351.251517] [] ? ext4_group_desc_csum_set+0x71/0x71 [ 2351.271412] [] ext4_fill_super+0x841e/0xa2df [ 2351.288339] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2351.311995] [] ? vsnprintf+0x1a0/0xa32 [ 2351.327216] [] ? pointer+0x7a9/0x7a9 [ 2351.344185] [] ? set_bdev_super+0x15d/0x15d [ 2351.363697] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2351.386314] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2351.409998] [] ? scnprintf+0xf3/0xf3 [ 2351.427006] [] mount_bdev+0x3cf/0x602 [ 2351.443846] [] ? mount_bdev+0x3cf/0x602 [ 2351.458404] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2351.480038] [] ext4_mount+0x3c/0x3e [ 2351.494485] [] mount_fs+0xd0/0x2ca [ 2351.511481] [] vfs_kern_mount+0xa0/0x20a [ 2351.528715] [] do_mount+0x11fe/0x19df [ 2351.543082] [] ? kasan_kmalloc+0x94/0xa3 [ 2351.559148] [] ? copy_mount_string+0x3d/0x3d [ 2351.574897] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2351.592560] [] ? __check_object_size+0x1e1/0x2b8 [ 2351.611598] [] ? 0xffffffffb1c002b8 [ 2351.627658] [] ? copy_mount_options+0x23d/0x24d [ 2351.645374] [] SyS_mount+0xa3/0xda [ 2351.661498] [] mount_block_root+0x2fc/0x650 [ 2351.678709] [] ? init_rootfs+0x99/0x99 [ 2351.695264] [] ? security_file_ioctl+0xa5/0xb4 [ 2351.718269] [] ? SyS_mknod+0x2f/0x36 [ 2351.736240] [] mount_root+0x45/0x48 [ 2351.753035] [] prepare_namespace+0x1cf/0x235 [ 2351.770036] [] kernel_init_freeable+0x4fa/0x518 [ 2351.789556] [] kernel_init+0x16/0x181 [ 2351.805325] [] ret_from_fork+0x1f/0x40 [ 2351.822353] [] ? rest_init+0x8f/0x8f [ 2351.838444] ================================================================================ [ 2351.868535] ================================================================================ [ 2351.894412] UBSAN: Undefined behaviour in fs/ext4/super.c:3027:9 [ 2351.910152] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2351.938463] which requires 64 byte alignment [ 2351.953432] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2351.970226] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2352.000128] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6c8 ffffffffb26ec5cc [ 2352.020816] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2352.044884] ffff880000000010 ffff88005c9df6f0 ffff88005c9df6a0 ffffffffb363c3e0 [ 2352.065717] Call Trace: [ 2352.071553] [] dump_stack+0xd7/0x132 [ 2352.088772] [] ? arch_local_irq_restore+0x1b/0x1b [ 2352.111851] [] ubsan_epilogue+0x12/0x53 [ 2352.126138] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2352.147528] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2352.171325] [] ext4_register_li_request+0x117/0x634 [ 2352.191382] [] ? ext4_group_desc_csum_set+0x71/0x71 [ 2352.211923] [] ext4_fill_super+0x841e/0xa2df [ 2352.228312] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2352.247393] [] ? vsnprintf+0x1a0/0xa32 [ 2352.265606] [] ? pointer+0x7a9/0x7a9 [ 2352.280256] [] ? set_bdev_super+0x15d/0x15d [ 2352.297469] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2352.318993] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2352.343761] [] ? scnprintf+0xf3/0xf3 [ 2352.359134] [] mount_bdev+0x3cf/0x602 [ 2352.374227] [] ? mount_bdev+0x3cf/0x602 [ 2352.391039] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2352.411717] [] ext4_mount+0x3c/0x3e [ 2352.427455] [] mount_fs+0xd0/0x2ca [ 2352.443023] [] vfs_kern_mount+0xa0/0x20a [ 2352.460960] [] do_mount+0x11fe/0x19df [ 2352.477635] [] ? kasan_kmalloc+0x94/0xa3 [ 2352.496749] [] ? copy_mount_string+0x3d/0x3d [ 2352.513901] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2352.532966] [] ? __check_object_size+0x1e1/0x2b8 [ 2352.548160] [] ? 0xffffffffb1c002b8 [ 2352.562547] [] ? copy_mount_options+0x23d/0x24d [ 2352.580487] [] SyS_mount+0xa3/0xda [ 2352.596686] [] mount_block_root+0x2fc/0x650 [ 2352.615083] [] ? init_rootfs+0x99/0x99 [ 2352.630443] [] ? security_file_ioctl+0xa5/0xb4 [ 2352.649067] [] ? SyS_mknod+0x2f/0x36 [ 2352.665131] [] mount_root+0x45/0x48 [ 2352.679511] [] prepare_namespace+0x1cf/0x235 [ 2352.701167] [] kernel_init_freeable+0x4fa/0x518 [ 2352.720340] [] kernel_init+0x16/0x181 [ 2352.737563] [] ret_from_fork+0x1f/0x40 [ 2352.751796] [] ? rest_init+0x8f/0x8f [ 2352.767694] ================================================================================ [ 2352.791581] ================================================================================ [ 2352.814810] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2352.831455] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2352.857203] which requires 64 byte alignment [ 2352.867368] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2352.887576] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2352.915131] 00000000ffffffff 00000000b1a89c60 ffff88005c9df728 ffffffffb26ec5cc [ 2352.935286] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2352.958288] ffffffff00000010 ffff88005c9df750 ffff88005c9df700 ffffffffb363c3e0 [ 2352.982329] Call Trace: [ 2352.988450] [] dump_stack+0xd7/0x132 [ 2353.006275] [] ? arch_local_irq_restore+0x1b/0x1b [ 2353.023376] [] ubsan_epilogue+0x12/0x53 [ 2353.039252] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2353.061179] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2353.079302] [] ? ext4_register_li_request+0x5f5/0x634 [ 2353.098554] [] ext4_register_sysfs+0x38/0x243 [ 2353.117381] [] ext4_fill_super+0x8439/0xa2df [ 2353.136166] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2353.154678] [] ? vsnprintf+0x1a0/0xa32 [ 2353.171983] [] ? pointer+0x7a9/0x7a9 [ 2353.188758] [] ? set_bdev_super+0x15d/0x15d [ 2353.205673] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2353.226670] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2353.247550] [] ? scnprintf+0xf3/0xf3 [ 2353.263413] [] mount_bdev+0x3cf/0x602 [ 2353.277434] [] ? mount_bdev+0x3cf/0x602 [ 2353.291761] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2353.315031] [] ext4_mount+0x3c/0x3e [ 2353.332274] [] mount_fs+0xd0/0x2ca [ 2353.344749] [] vfs_kern_mount+0xa0/0x20a [ 2353.364485] [] do_mount+0x11fe/0x19df [ 2353.380897] [] ? kasan_kmalloc+0x94/0xa3 [ 2353.397347] [] ? copy_mount_string+0x3d/0x3d [ 2353.415385] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2353.434183] [] ? __check_object_size+0x1e1/0x2b8 [ 2353.449874] [] ? 0xffffffffb1c002b8 [ 2353.468374] [] ? copy_mount_options+0x23d/0x24d [ 2353.488125] [] SyS_mount+0xa3/0xda [ 2353.501376] [] mount_block_root+0x2fc/0x650 [ 2353.518253] [] ? init_rootfs+0x99/0x99 [ 2353.534234] [] ? security_file_ioctl+0xa5/0xb4 [ 2353.549858] [] ? SyS_mknod+0x2f/0x36 [ 2353.565915] [] mount_root+0x45/0x48 [ 2353.583519] [] prepare_namespace+0x1cf/0x235 [ 2353.600399] [] kernel_init_freeable+0x4fa/0x518 [ 2353.622683] [] kernel_init+0x16/0x181 [ 2353.638747] [] ret_from_fork+0x1f/0x40 [ 2353.653308] [] ? rest_init+0x8f/0x8f [ 2353.670838] ================================================================================ [ 2353.697346] ================================================================================ [ 2353.720969] UBSAN: Undefined behaviour in fs/ext4/sysfs.c:394:19 [ 2353.741680] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2353.767609] which requires 64 byte alignment [ 2353.782037] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2353.798772] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2353.826465] 00000000ffffffff 00000000b1a89c60 ffff88005c9df728 ffffffffb26ec5cc [ 2353.850073] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2353.910205] ffffffff00000010 ffff88005c9df750 ffff88005c9df700 ffffffffb363c3e0 [ 2353.965766] Call Trace: [ 2353.985968] [] dump_stack+0xd7/0x132 [ 2354.013412] [] ? arch_local_irq_restore+0x1b/0x1b [ 2354.042535] [] ubsan_epilogue+0x12/0x53 [ 2354.067295] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2354.091390] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2354.114709] [] ? ext4_register_li_request+0x5f5/0x634 [ 2354.141958] [] ext4_register_sysfs+0x64/0x243 [ 2354.167546] [] ext4_fill_super+0x8439/0xa2df [ 2354.204185] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2354.225115] [] ? vsnprintf+0x1a0/0xa32 [ 2354.241493] [] ? pointer+0x7a9/0x7a9 [ 2354.259775] [] ? set_bdev_super+0x15d/0x15d [ 2354.279443] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2354.299218] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2354.322246] [] ? scnprintf+0xf3/0xf3 [ 2354.341231] [] mount_bdev+0x3cf/0x602 [ 2354.357747] [] ? mount_bdev+0x3cf/0x602 [ 2354.375305] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2354.395180] [] ext4_mount+0x3c/0x3e [ 2354.411663] [] mount_fs+0xd0/0x2ca [ 2354.426784] [] vfs_kern_mount+0xa0/0x20a [ 2354.445063] [] do_mount+0x11fe/0x19df [ 2354.460412] [] ? kasan_kmalloc+0x94/0xa3 [ 2354.476339] [] ? copy_mount_string+0x3d/0x3d [ 2354.495729] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2354.515229] [] ? __check_object_size+0x1e1/0x2b8 [ 2354.536419] [] ? 0xffffffffb1c002b8 [ 2354.550364] [] ? copy_mount_options+0x23d/0x24d [ 2354.568818] [] SyS_mount+0xa3/0xda [ 2354.586303] [] mount_block_root+0x2fc/0x650 [ 2354.602986] [] ? init_rootfs+0x99/0x99 [ 2354.617957] [] ? security_file_ioctl+0xa5/0xb4 [ 2354.639469] [] ? SyS_mknod+0x2f/0x36 [ 2354.656795] [] mount_root+0x45/0x48 [ 2354.670363] [] prepare_namespace+0x1cf/0x235 [ 2354.687717] [] kernel_init_freeable+0x4fa/0x518 [ 2354.706638] [] kernel_init+0x16/0x181 [ 2354.724494] [] ret_from_fork+0x1f/0x40 [ 2354.739346] [] ? rest_init+0x8f/0x8f [ 2354.753275] ================================================================================ [ 2354.781600] ================================================================================ [ 2354.807408] UBSAN: Undefined behaviour in fs/ext4/sysfs.c:402:15 [ 2354.823598] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2354.848658] which requires 64 byte alignment [ 2354.861280] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2354.879104] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2354.909169] 00000000ffffffff 00000000b1a89c60 ffff88005c9df728 ffffffffb26ec5cc [ 2354.930119] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2354.954676] ffff880000000010 ffff88005c9df750 ffff88005c9df700 ffffffffb363c3e0 [ 2354.976395] Call Trace: [ 2354.985587] [] dump_stack+0xd7/0x132 [ 2354.999384] [] ? arch_local_irq_restore+0x1b/0x1b [ 2355.018638] [] ubsan_epilogue+0x12/0x53 [ 2355.032806] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2355.053836] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2355.072423] [] ? proc_mkdir_data+0x191/0x19e [ 2355.089624] [] ext4_register_sysfs+0x13d/0x243 [ 2355.107361] [] ext4_fill_super+0x8439/0xa2df [ 2355.122629] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2355.143274] [] ? vsnprintf+0x1a0/0xa32 [ 2355.158207] [] ? pointer+0x7a9/0x7a9 [ 2355.172911] [] ? set_bdev_super+0x15d/0x15d [ 2355.189573] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2355.210183] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2355.231921] [] ? scnprintf+0xf3/0xf3 [ 2355.244187] [] mount_bdev+0x3cf/0x602 [ 2355.259005] [] ? mount_bdev+0x3cf/0x602 [ 2355.273092] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2355.293424] [] ext4_mount+0x3c/0x3e [ 2355.307940] [] mount_fs+0xd0/0x2ca [ 2355.322412] [] vfs_kern_mount+0xa0/0x20a [ 2355.337814] [] do_mount+0x11fe/0x19df [ 2355.351320] [] ? kasan_kmalloc+0x94/0xa3 [ 2355.370304] [] ? copy_mount_string+0x3d/0x3d [ 2355.390359] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2355.409270] [] ? __check_object_size+0x1e1/0x2b8 [ 2355.427273] [] ? 0xffffffffb1c002b8 [ 2355.441063] [] ? copy_mount_options+0x23d/0x24d [ 2355.458159] [] SyS_mount+0xa3/0xda [ 2355.469680] [] mount_block_root+0x2fc/0x650 [ 2355.487900] [] ? init_rootfs+0x99/0x99 [ 2355.505185] [] ? security_file_ioctl+0xa5/0xb4 [ 2355.521476] [] ? SyS_mknod+0x2f/0x36 [ 2355.536948] [] mount_root+0x45/0x48 [ 2355.552064] [] prepare_namespace+0x1cf/0x235 [ 2355.567257] [] kernel_init_freeable+0x4fa/0x518 [ 2355.584827] [] kernel_init+0x16/0x181 [ 2355.597913] [] ret_from_fork+0x1f/0x40 [ 2355.612890] [] ? rest_init+0x8f/0x8f [ 2355.630086] ================================================================================ [ 2355.655505] ================================================================================ [ 2355.680582] UBSAN: Undefined behaviour in fs/ext4/sysfs.c:404:9 [ 2355.699533] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2355.729234] which requires 64 byte alignment [ 2355.742768] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2355.762068] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2355.792488] 00000000ffffffff 00000000b1a89c60 ffff88005c9df728 ffffffffb26ec5cc [ 2355.824641] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2355.853297] ffffffff00000010 ffff88005c9df750 ffff88005c9df700 ffffffffb363c3e0 [ 2355.887392] Call Trace: [ 2355.894464] [] dump_stack+0xd7/0x132 [ 2355.912506] [] ? arch_local_irq_restore+0x1b/0x1b [ 2355.932678] [] ubsan_epilogue+0x12/0x53 [ 2355.949317] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2355.971904] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2355.997031] [] ? proc_mkdir_data+0x191/0x19e [ 2356.018083] [] ext4_register_sysfs+0x16a/0x243 [ 2356.037649] [] ext4_fill_super+0x8439/0xa2df [ 2356.055607] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2356.078280] [] ? vsnprintf+0x1a0/0xa32 [ 2356.100173] [] ? pointer+0x7a9/0x7a9 [ 2356.117181] [] ? set_bdev_super+0x15d/0x15d [ 2356.137908] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2356.165562] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2356.193930] [] ? scnprintf+0xf3/0xf3 [ 2356.214458] [] mount_bdev+0x3cf/0x602 [ 2356.233334] [] ? mount_bdev+0x3cf/0x602 [ 2356.254004] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2356.282825] [] ext4_mount+0x3c/0x3e [ 2356.303233] [] mount_fs+0xd0/0x2ca [ 2356.323051] [] vfs_kern_mount+0xa0/0x20a [ 2356.346596] [] do_mount+0x11fe/0x19df [ 2356.368887] [] ? kasan_kmalloc+0x94/0xa3 [ 2356.394305] [] ? copy_mount_string+0x3d/0x3d [ 2356.422678] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2356.446358] [] ? __check_object_size+0x1e1/0x2b8 [ 2356.469192] [] ? 0xffffffffb1c002b8 [ 2356.490101] [] ? copy_mount_options+0x23d/0x24d [ 2356.512174] [] SyS_mount+0xa3/0xda [ 2356.565124] [] mount_block_root+0x2fc/0x650 [ 2356.664044] [] ? init_rootfs+0x99/0x99 [ 2356.679157] [] ? security_file_ioctl+0xa5/0xb4 [ 2356.703519] [] ? SyS_mknod+0x2f/0x36 [ 2356.728911] [] mount_root+0x45/0x48 [ 2356.743615] [] prepare_namespace+0x1cf/0x235 [ 2356.763165] [] kernel_init_freeable+0x4fa/0x518 [ 2356.788482] [] kernel_init+0x16/0x181 [ 2356.813426] [] ret_from_fork+0x1f/0x40 [ 2356.833490] [] ? rest_init+0x8f/0x8f [ 2356.853213] ================================================================================ [ 2356.886332] ================================================================================ [ 2356.922683] UBSAN: Undefined behaviour in fs/ext4/sysfs.c:406:4 [ 2356.948314] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2356.985755] which requires 64 byte alignment [ 2357.001594] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2357.026377] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2357.069699] 00000000ffffffff 00000000b1a89c60 ffff88005c9df728 ffffffffb26ec5cc [ 2357.124067] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2357.173864] ffffffff00000010 ffff88005c9df750 ffff88005c9df700 ffffffffb363c3e0 [ 2357.219001] Call Trace: [ 2357.235589] [] dump_stack+0xd7/0x132 [ 2357.262781] [] ? arch_local_irq_restore+0x1b/0x1b [ 2357.287956] [] ubsan_epilogue+0x12/0x53 [ 2357.314380] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2357.342727] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2357.376965] [] ? proc_mkdir_data+0x191/0x19e [ 2357.404635] [] ext4_register_sysfs+0x200/0x243 [ 2357.431357] [] ext4_fill_super+0x8439/0xa2df [ 2357.455713] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2357.481953] [] ? vsnprintf+0x1a0/0xa32 [ 2357.499778] [] ? pointer+0x7a9/0x7a9 [ 2357.518392] [] ? set_bdev_super+0x15d/0x15d [ 2357.541572] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2357.564903] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2357.588643] [] ? scnprintf+0xf3/0xf3 [ 2357.611622] [] mount_bdev+0x3cf/0x602 [ 2357.629413] [] ? mount_bdev+0x3cf/0x602 [ 2357.644092] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2357.666793] [] ext4_mount+0x3c/0x3e [ 2357.684238] [] mount_fs+0xd0/0x2ca [ 2357.701737] [] vfs_kern_mount+0xa0/0x20a [ 2357.716833] [] do_mount+0x11fe/0x19df [ 2357.733523] [] ? kasan_kmalloc+0x94/0xa3 [ 2357.750851] [] ? copy_mount_string+0x3d/0x3d [ 2357.769190] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2357.790764] [] ? __check_object_size+0x1e1/0x2b8 [ 2357.811910] [] ? 0xffffffffb1c002b8 [ 2357.829579] [] ? copy_mount_options+0x23d/0x24d [ 2357.848337] [] SyS_mount+0xa3/0xda [ 2357.865094] [] mount_block_root+0x2fc/0x650 [ 2357.884679] [] ? init_rootfs+0x99/0x99 [ 2357.902405] [] ? security_file_ioctl+0xa5/0xb4 [ 2357.927304] [] ? SyS_mknod+0x2f/0x36 [ 2357.947795] [] mount_root+0x45/0x48 [ 2357.969320] [] prepare_namespace+0x1cf/0x235 [ 2357.999482] [] kernel_init_freeable+0x4fa/0x518 [ 2358.027603] [] kernel_init+0x16/0x181 [ 2358.049706] [] ret_from_fork+0x1f/0x40 [ 2358.070503] [] ? rest_init+0x8f/0x8f [ 2358.097671] ================================================================================ [ 2358.137781] ================================================================================ [ 2358.175167] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2358.193696] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2358.226682] which requires 64 byte alignment [ 2358.238284] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2358.261062] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2358.300444] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2358.337002] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2358.373543] 0000000000000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2358.416104] Call Trace: [ 2358.423454] [] dump_stack+0xd7/0x132 [ 2358.452916] [] ? arch_local_irq_restore+0x1b/0x1b [ 2358.481350] [] ubsan_epilogue+0x12/0x53 [ 2358.504732] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2358.539998] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2358.563921] [] ext4_fill_super+0x8477/0xa2df [ 2358.583243] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2358.602707] [] ? vsnprintf+0x1a0/0xa32 [ 2358.622095] [] ? pointer+0x7a9/0x7a9 [ 2358.640196] [] ? set_bdev_super+0x15d/0x15d [ 2358.659891] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2358.682455] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2358.709089] [] ? scnprintf+0xf3/0xf3 [ 2358.725650] [] mount_bdev+0x3cf/0x602 [ 2358.742604] [] ? mount_bdev+0x3cf/0x602 [ 2358.761150] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2358.782660] [] ext4_mount+0x3c/0x3e [ 2358.799414] [] mount_fs+0xd0/0x2ca [ 2358.815236] [] vfs_kern_mount+0xa0/0x20a [ 2358.835870] [] do_mount+0x11fe/0x19df [ 2358.854185] [] ? kasan_kmalloc+0x94/0xa3 [ 2358.872700] [] ? copy_mount_string+0x3d/0x3d [ 2358.893820] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2358.912844] [] ? __check_object_size+0x1e1/0x2b8 [ 2358.934175] [] ? 0xffffffffb1c002b8 [ 2358.950909] [] ? copy_mount_options+0x23d/0x24d [ 2358.970173] [] SyS_mount+0xa3/0xda [ 2358.986578] [] mount_block_root+0x2fc/0x650 [ 2359.006288] [] ? init_rootfs+0x99/0x99 [ 2359.025844] [] ? security_file_ioctl+0xa5/0xb4 [ 2359.049357] [] ? SyS_mknod+0x2f/0x36 [ 2359.073710] [] mount_root+0x45/0x48 [ 2359.102021] [] prepare_namespace+0x1cf/0x235 [ 2359.130823] [] kernel_init_freeable+0x4fa/0x518 [ 2359.154542] [] kernel_init+0x16/0x181 [ 2359.174153] [] ret_from_fork+0x1f/0x40 [ 2359.191437] [] ? rest_init+0x8f/0x8f [ 2359.208237] ================================================================================ [ 2359.234501] ================================================================================ [ 2359.261607] UBSAN: Undefined behaviour in fs/ext4/super.c:4124:29 [ 2359.283451] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2359.314156] which requires 64 byte alignment [ 2359.329654] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2359.347463] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2359.377531] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2359.402388] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2359.425211] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2359.448673] Call Trace: [ 2359.458710] [] dump_stack+0xd7/0x132 [ 2359.475233] [] ? arch_local_irq_restore+0x1b/0x1b [ 2359.494246] [] ubsan_epilogue+0x12/0x53 [ 2359.512704] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2359.533203] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2359.557818] [] ext4_fill_super+0x84a4/0xa2df [ 2359.577288] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2359.599767] [] ? vsnprintf+0x1a0/0xa32 [ 2359.617149] [] ? pointer+0x7a9/0x7a9 [ 2359.634098] [] ? set_bdev_super+0x15d/0x15d [ 2359.650705] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2359.674899] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2359.697701] [] ? scnprintf+0xf3/0xf3 [ 2359.712025] [] mount_bdev+0x3cf/0x602 [ 2359.726844] [] ? mount_bdev+0x3cf/0x602 [ 2359.743631] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2359.764733] [] ext4_mount+0x3c/0x3e [ 2359.780723] [] mount_fs+0xd0/0x2ca [ 2359.795525] [] vfs_kern_mount+0xa0/0x20a [ 2359.812579] [] do_mount+0x11fe/0x19df [ 2359.831106] [] ? kasan_kmalloc+0x94/0xa3 [ 2359.845944] [] ? copy_mount_string+0x3d/0x3d [ 2359.864296] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2359.885222] [] ? __check_object_size+0x1e1/0x2b8 [ 2359.904302] [] ? 0xffffffffb1c002b8 [ 2359.920948] [] ? copy_mount_options+0x23d/0x24d [ 2359.945695] [] SyS_mount+0xa3/0xda [ 2359.963895] [] mount_block_root+0x2fc/0x650 [ 2359.984493] [] ? init_rootfs+0x99/0x99 [ 2360.001877] [] ? security_file_ioctl+0xa5/0xb4 [ 2360.022019] [] ? SyS_mknod+0x2f/0x36 [ 2360.042662] [] mount_root+0x45/0x48 [ 2360.060916] [] prepare_namespace+0x1cf/0x235 [ 2360.082841] [] kernel_init_freeable+0x4fa/0x518 [ 2360.104157] [] kernel_init+0x16/0x181 [ 2360.123051] [] ret_from_fork+0x1f/0x40 [ 2360.147595] [] ? rest_init+0x8f/0x8f [ 2360.165313] ================================================================================ [ 2360.194592] ================================================================================ [ 2360.223541] UBSAN: Undefined behaviour in fs/ext4/super.c:2346:27 [ 2360.245634] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2360.277309] which requires 64 byte alignment [ 2360.292126] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2360.312100] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2360.349461] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2360.375806] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2360.404688] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2360.431956] Call Trace: [ 2360.441135] [] dump_stack+0xd7/0x132 [ 2360.461921] [] ? arch_local_irq_restore+0x1b/0x1b [ 2360.485068] [] ubsan_epilogue+0x12/0x53 [ 2360.504705] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2360.530045] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2360.557947] [] ext4_fill_super+0x84d5/0xa2df [ 2360.581324] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2360.601729] [] ? vsnprintf+0x1a0/0xa32 [ 2360.618547] [] ? pointer+0x7a9/0x7a9 [ 2360.636182] [] ? set_bdev_super+0x15d/0x15d [ 2360.657309] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2360.676055] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2360.700124] [] ? scnprintf+0xf3/0xf3 [ 2360.716950] [] mount_bdev+0x3cf/0x602 [ 2360.735956] [] ? mount_bdev+0x3cf/0x602 [ 2360.753736] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2360.774108] [] ext4_mount+0x3c/0x3e [ 2360.789971] [] mount_fs+0xd0/0x2ca [ 2360.806389] [] vfs_kern_mount+0xa0/0x20a [ 2360.823604] [] do_mount+0x11fe/0x19df [ 2360.838258] [] ? kasan_kmalloc+0x94/0xa3 [ 2360.856551] [] ? copy_mount_string+0x3d/0x3d [ 2360.875938] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2360.894830] [] ? __check_object_size+0x1e1/0x2b8 [ 2360.916539] [] ? 0xffffffffb1c002b8 [ 2360.935338] [] ? copy_mount_options+0x23d/0x24d [ 2360.956671] [] SyS_mount+0xa3/0xda [ 2360.972031] [] mount_block_root+0x2fc/0x650 [ 2360.990498] [] ? init_rootfs+0x99/0x99 [ 2361.007942] [] ? security_file_ioctl+0xa5/0xb4 [ 2361.028972] [] ? SyS_mknod+0x2f/0x36 [ 2361.045011] [] mount_root+0x45/0x48 [ 2361.060517] [] prepare_namespace+0x1cf/0x235 [ 2361.080876] [] kernel_init_freeable+0x4fa/0x518 [ 2361.099629] [] kernel_init+0x16/0x181 [ 2361.116806] [] ret_from_fork+0x1f/0x40 [ 2361.136005] [] ? rest_init+0x8f/0x8f [ 2361.151585] ================================================================================ [ 2361.176988] ================================================================================ [ 2361.201620] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2361.220820] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2361.249905] which requires 64 byte alignment [ 2361.264971] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2361.285111] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2361.315531] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2361.340238] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2361.364342] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2361.389069] Call Trace: [ 2361.399505] [] dump_stack+0xd7/0x132 [ 2361.424087] [] ? arch_local_irq_restore+0x1b/0x1b [ 2361.446717] [] ubsan_epilogue+0x12/0x53 [ 2361.465767] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2361.491068] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2361.519009] [] ext4_fill_super+0x8fd8/0xa2df [ 2361.543413] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2361.566483] [] ? vsnprintf+0x1a0/0xa32 [ 2361.588783] [] ? pointer+0x7a9/0x7a9 [ 2361.609735] [] ? set_bdev_super+0x15d/0x15d [ 2361.629224] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2361.656211] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2361.684603] [] ? scnprintf+0xf3/0xf3 [ 2361.703253] [] mount_bdev+0x3cf/0x602 [ 2361.724159] [] ? mount_bdev+0x3cf/0x602 [ 2361.743334] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2361.765689] [] ext4_mount+0x3c/0x3e [ 2361.782254] [] mount_fs+0xd0/0x2ca [ 2361.797797] [] vfs_kern_mount+0xa0/0x20a [ 2361.816190] [] do_mount+0x11fe/0x19df [ 2361.833120] [] ? kasan_kmalloc+0x94/0xa3 [ 2361.850894] [] ? copy_mount_string+0x3d/0x3d [ 2361.867443] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2361.888854] [] ? __check_object_size+0x1e1/0x2b8 [ 2361.907178] [] ? 0xffffffffb1c002b8 [ 2361.921128] [] ? copy_mount_options+0x23d/0x24d [ 2361.937629] [] SyS_mount+0xa3/0xda [ 2361.954918] [] mount_block_root+0x2fc/0x650 [ 2361.972902] [] ? init_rootfs+0x99/0x99 [ 2361.990900] [] ? security_file_ioctl+0xa5/0xb4 [ 2362.011517] [] ? SyS_mknod+0x2f/0x36 [ 2362.030637] [] mount_root+0x45/0x48 [ 2362.051574] [] prepare_namespace+0x1cf/0x235 [ 2362.072832] [] kernel_init_freeable+0x4fa/0x518 [ 2362.095576] [] kernel_init+0x16/0x181 [ 2362.116668] [] ret_from_fork+0x1f/0x40 [ 2362.137527] [] ? rest_init+0x8f/0x8f [ 2362.157381] ================================================================================ [ 2362.190561] ================================================================================ [ 2362.221966] UBSAN: Undefined behaviour in fs/ext4/super.c:4126:29 [ 2362.244335] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2362.279446] which requires 64 byte alignment [ 2362.297073] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2362.330003] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2362.369812] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2362.401307] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2362.444382] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2362.472578] Call Trace: [ 2362.483515] [] dump_stack+0xd7/0x132 [ 2362.504077] [] ? arch_local_irq_restore+0x1b/0x1b [ 2362.542675] [] ubsan_epilogue+0x12/0x53 [ 2362.563788] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2362.588309] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2362.614262] [] ext4_fill_super+0x9005/0xa2df [ 2362.634350] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2362.658110] [] ? vsnprintf+0x1a0/0xa32 [ 2362.678383] [] ? pointer+0x7a9/0x7a9 [ 2362.696034] [] ? set_bdev_super+0x15d/0x15d [ 2362.714307] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2362.740730] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2362.773212] [] ? scnprintf+0xf3/0xf3 [ 2362.794940] [] mount_bdev+0x3cf/0x602 [ 2362.824455] [] ? mount_bdev+0x3cf/0x602 [ 2362.852771] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2362.881260] [] ext4_mount+0x3c/0x3e [ 2362.905265] [] mount_fs+0xd0/0x2ca [ 2362.934792] [] vfs_kern_mount+0xa0/0x20a [ 2362.958238] [] do_mount+0x11fe/0x19df [ 2362.985336] [] ? kasan_kmalloc+0x94/0xa3 [ 2363.006159] [] ? copy_mount_string+0x3d/0x3d [ 2363.036260] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2363.065942] [] ? __check_object_size+0x1e1/0x2b8 [ 2363.098937] [] ? 0xffffffffb1c002b8 [ 2363.118702] [] ? copy_mount_options+0x23d/0x24d [ 2363.157212] [] SyS_mount+0xa3/0xda [ 2363.174300] [] mount_block_root+0x2fc/0x650 [ 2363.204580] [] ? init_rootfs+0x99/0x99 [ 2363.224282] [] ? security_file_ioctl+0xa5/0xb4 [ 2363.257239] [] ? SyS_mknod+0x2f/0x36 [ 2363.283929] [] mount_root+0x45/0x48 [ 2363.304884] [] prepare_namespace+0x1cf/0x235 [ 2363.331186] [] kernel_init_freeable+0x4fa/0x518 [ 2363.357481] [] kernel_init+0x16/0x181 [ 2363.380425] [] ret_from_fork+0x1f/0x40 [ 2363.403301] [] ? rest_init+0x8f/0x8f [ 2363.424249] ================================================================================ [ 2363.459711] ================================================================================ [ 2363.491298] UBSAN: Undefined behaviour in fs/ext4/super.c:4126:29 [ 2363.515642] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2363.551554] which requires 64 byte alignment [ 2363.568990] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2363.594787] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2363.632003] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2363.657720] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2363.682572] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2363.707658] Call Trace: [ 2363.715302] [] dump_stack+0xd7/0x132 [ 2363.732786] [] ? arch_local_irq_restore+0x1b/0x1b [ 2363.751685] [] ubsan_epilogue+0x12/0x53 [ 2363.768173] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2363.796860] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2363.818486] [] ext4_fill_super+0x903e/0xa2df [ 2363.837926] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2363.861242] [] ? vsnprintf+0x1a0/0xa32 [ 2363.879045] [] ? pointer+0x7a9/0x7a9 [ 2363.895719] [] ? set_bdev_super+0x15d/0x15d [ 2363.915728] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2363.937888] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2363.960490] [] ? scnprintf+0xf3/0xf3 [ 2363.980577] [] mount_bdev+0x3cf/0x602 [ 2363.999135] [] ? mount_bdev+0x3cf/0x602 [ 2364.019798] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2364.042010] [] ext4_mount+0x3c/0x3e [ 2364.058670] [] mount_fs+0xd0/0x2ca [ 2364.077511] [] vfs_kern_mount+0xa0/0x20a [ 2364.094807] [] do_mount+0x11fe/0x19df [ 2364.114170] [] ? kasan_kmalloc+0x94/0xa3 [ 2364.136232] [] ? copy_mount_string+0x3d/0x3d [ 2364.156005] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2364.181397] [] ? __check_object_size+0x1e1/0x2b8 [ 2364.203514] [] ? 0xffffffffb1c002b8 [ 2364.222007] [] ? copy_mount_options+0x23d/0x24d [ 2364.245961] [] SyS_mount+0xa3/0xda [ 2364.263750] [] mount_block_root+0x2fc/0x650 [ 2364.284553] [] ? init_rootfs+0x99/0x99 [ 2364.303838] [] ? security_file_ioctl+0xa5/0xb4 [ 2364.324304] [] ? SyS_mknod+0x2f/0x36 [ 2364.341467] [] mount_root+0x45/0x48 [ 2364.361513] [] prepare_namespace+0x1cf/0x235 [ 2364.382191] [] kernel_init_freeable+0x4fa/0x518 [ 2364.403214] [] kernel_init+0x16/0x181 [ 2364.419168] [] ret_from_fork+0x1f/0x40 [ 2364.438168] [] ? rest_init+0x8f/0x8f [ 2364.456365] ================================================================================ [ 2364.482495] ================================================================================ [ 2364.508032] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2364.526880] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2364.555663] which requires 64 byte alignment [ 2364.567367] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2364.586834] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2364.614749] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2364.636841] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2364.660867] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2364.682923] Call Trace: [ 2364.690555] [] dump_stack+0xd7/0x132 [ 2364.707587] [] ? arch_local_irq_restore+0x1b/0x1b [ 2364.725970] [] ubsan_epilogue+0x12/0x53 [ 2364.744874] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2364.769900] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2364.797093] [] ext4_fill_super+0x9098/0xa2df [ 2364.814623] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2364.833348] [] ? vsnprintf+0x1a0/0xa32 [ 2364.851300] [] ? pointer+0x7a9/0x7a9 [ 2364.867830] [] ? set_bdev_super+0x15d/0x15d [ 2364.886022] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2364.908967] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2364.931352] [] ? scnprintf+0xf3/0xf3 [ 2364.946835] [] mount_bdev+0x3cf/0x602 [ 2364.962495] [] ? mount_bdev+0x3cf/0x602 [ 2364.980115] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2365.000488] [] ext4_mount+0x3c/0x3e [ 2365.015035] [] mount_fs+0xd0/0x2ca [ 2365.031808] [] vfs_kern_mount+0xa0/0x20a [ 2365.049393] [] do_mount+0x11fe/0x19df [ 2365.064031] [] ? kasan_kmalloc+0x94/0xa3 [ 2365.081743] [] ? copy_mount_string+0x3d/0x3d [ 2365.100386] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2365.119726] [] ? __check_object_size+0x1e1/0x2b8 [ 2365.140895] [] ? 0xffffffffb1c002b8 [ 2365.156219] [] ? copy_mount_options+0x23d/0x24d [ 2365.175853] [] SyS_mount+0xa3/0xda [ 2365.190393] [] mount_block_root+0x2fc/0x650 [ 2365.208460] [] ? init_rootfs+0x99/0x99 [ 2365.225143] [] ? security_file_ioctl+0xa5/0xb4 [ 2365.244107] [] ? SyS_mknod+0x2f/0x36 [ 2365.260207] [] mount_root+0x45/0x48 [ 2365.278801] [] prepare_namespace+0x1cf/0x235 [ 2365.296610] [] kernel_init_freeable+0x4fa/0x518 [ 2365.315972] [] kernel_init+0x16/0x181 [ 2365.332442] [] ret_from_fork+0x1f/0x40 [ 2365.352356] [] ? rest_init+0x8f/0x8f [ 2365.366839] ================================================================================ [ 2365.399618] ================================================================================ [ 2365.428474] UBSAN: Undefined behaviour in fs/ext4/super.c:4131:17 [ 2365.447969] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2365.474145] which requires 64 byte alignment [ 2365.489630] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2365.507984] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2365.536163] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2365.560936] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2365.582791] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2365.604528] Call Trace: [ 2365.612121] [] dump_stack+0xd7/0x132 [ 2365.628109] [] ? arch_local_irq_restore+0x1b/0x1b [ 2365.648039] [] ubsan_epilogue+0x12/0x53 [ 2365.664061] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2365.684633] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2365.707242] [] ext4_fill_super+0x90c5/0xa2df [ 2365.725875] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2365.748341] [] ? vsnprintf+0x1a0/0xa32 [ 2365.764408] [] ? pointer+0x7a9/0x7a9 [ 2365.781067] [] ? set_bdev_super+0x15d/0x15d [ 2365.801247] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2365.823843] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2365.845069] [] ? scnprintf+0xf3/0xf3 [ 2365.862488] [] mount_bdev+0x3cf/0x602 [ 2365.878524] [] ? mount_bdev+0x3cf/0x602 [ 2365.894656] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2365.916679] [] ext4_mount+0x3c/0x3e [ 2365.932671] [] mount_fs+0xd0/0x2ca [ 2365.946124] [] vfs_kern_mount+0xa0/0x20a [ 2365.963128] [] do_mount+0x11fe/0x19df [ 2365.981070] [] ? kasan_kmalloc+0x94/0xa3 [ 2365.996266] [] ? copy_mount_string+0x3d/0x3d [ 2366.016254] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2366.033169] [] ? __check_object_size+0x1e1/0x2b8 [ 2366.049993] [] ? 0xffffffffb1c002b8 [ 2366.064505] [] ? copy_mount_options+0x23d/0x24d [ 2366.082089] [] SyS_mount+0xa3/0xda [ 2366.096642] [] mount_block_root+0x2fc/0x650 [ 2366.113413] [] ? init_rootfs+0x99/0x99 [ 2366.130850] [] ? security_file_ioctl+0xa5/0xb4 [ 2366.149872] [] ? SyS_mknod+0x2f/0x36 [ 2366.165079] [] mount_root+0x45/0x48 [ 2366.180853] [] prepare_namespace+0x1cf/0x235 [ 2366.200976] [] kernel_init_freeable+0x4fa/0x518 [ 2366.221900] [] kernel_init+0x16/0x181 [ 2366.238913] [] ret_from_fork+0x1f/0x40 [ 2366.258212] [] ? rest_init+0x8f/0x8f [ 2366.279286] ================================================================================ [ 2366.310655] ================================================================================ [ 2366.342589] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2366.362830] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2366.395233] which requires 64 byte alignment [ 2366.411713] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2366.435529] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2366.466532] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2366.495961] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2366.523791] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2366.555729] Call Trace: [ 2366.562780] [] dump_stack+0xd7/0x132 [ 2366.581076] [] ? arch_local_irq_restore+0x1b/0x1b [ 2366.604129] [] ubsan_epilogue+0x12/0x53 [ 2366.624436] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2366.650220] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2366.675423] [] ext4_fill_super+0x9117/0xa2df [ 2366.698573] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2366.722111] [] ? vsnprintf+0x1a0/0xa32 [ 2366.739029] [] ? pointer+0x7a9/0x7a9 [ 2366.757848] [] ? set_bdev_super+0x15d/0x15d [ 2366.780331] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2366.806462] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2366.834644] [] ? scnprintf+0xf3/0xf3 [ 2366.851413] [] mount_bdev+0x3cf/0x602 [ 2366.871233] [] ? mount_bdev+0x3cf/0x602 [ 2366.888146] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2366.911831] [] ext4_mount+0x3c/0x3e [ 2366.929545] [] mount_fs+0xd0/0x2ca [ 2366.945931] [] vfs_kern_mount+0xa0/0x20a [ 2366.965428] [] do_mount+0x11fe/0x19df [ 2366.983113] [] ? kasan_kmalloc+0x94/0xa3 [ 2367.002125] [] ? copy_mount_string+0x3d/0x3d [ 2367.021871] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2367.041829] [] ? __check_object_size+0x1e1/0x2b8 [ 2367.063141] [] ? 0xffffffffb1c002b8 [ 2367.079442] [] ? copy_mount_options+0x23d/0x24d [ 2367.097181] [] SyS_mount+0xa3/0xda [ 2367.113656] [] mount_block_root+0x2fc/0x650 [ 2367.134428] [] ? init_rootfs+0x99/0x99 [ 2367.157118] [] ? security_file_ioctl+0xa5/0xb4 [ 2367.178086] [] ? SyS_mknod+0x2f/0x36 [ 2367.197168] [] mount_root+0x45/0x48 [ 2367.215211] [] prepare_namespace+0x1cf/0x235 [ 2367.236518] [] kernel_init_freeable+0x4fa/0x518 [ 2367.256014] [] kernel_init+0x16/0x181 [ 2367.273371] [] ret_from_fork+0x1f/0x40 [ 2367.291783] [] ? rest_init+0x8f/0x8f [ 2367.310561] ================================================================================ [ 2367.338170] ================================================================================ [ 2367.371683] UBSAN: Undefined behaviour in fs/ext4/super.c:4132:7 [ 2367.408189] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2367.457449] which requires 64 byte alignment [ 2367.478348] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2367.507861] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2367.558121] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2367.605306] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2367.639421] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2367.668983] Call Trace: [ 2367.676822] [] dump_stack+0xd7/0x132 [ 2367.700251] [] ? arch_local_irq_restore+0x1b/0x1b [ 2367.724614] [] ubsan_epilogue+0x12/0x53 [ 2367.745929] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2367.771772] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2367.801868] [] ext4_fill_super+0x9131/0xa2df [ 2367.821339] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2367.841082] [] ? vsnprintf+0x1a0/0xa32 [ 2367.859414] [] ? pointer+0x7a9/0x7a9 [ 2367.877422] [] ? set_bdev_super+0x15d/0x15d [ 2367.903297] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2367.929492] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2367.957642] [] ? scnprintf+0xf3/0xf3 [ 2367.977783] [] mount_bdev+0x3cf/0x602 [ 2368.001191] [] ? mount_bdev+0x3cf/0x602 [ 2368.023940] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2368.057935] [] ext4_mount+0x3c/0x3e [ 2368.077593] [] mount_fs+0xd0/0x2ca [ 2368.093591] [] vfs_kern_mount+0xa0/0x20a [ 2368.116358] [] do_mount+0x11fe/0x19df [ 2368.135927] [] ? kasan_kmalloc+0x94/0xa3 [ 2368.156179] [] ? copy_mount_string+0x3d/0x3d [ 2368.174167] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2368.196091] [] ? __check_object_size+0x1e1/0x2b8 [ 2368.215102] [] ? 0xffffffffb1c002b8 [ 2368.231614] [] ? copy_mount_options+0x23d/0x24d [ 2368.250138] [] SyS_mount+0xa3/0xda [ 2368.265091] [] mount_block_root+0x2fc/0x650 [ 2368.281929] [] ? init_rootfs+0x99/0x99 [ 2368.298137] [] ? security_file_ioctl+0xa5/0xb4 [ 2368.315257] [] ? SyS_mknod+0x2f/0x36 [ 2368.331817] [] mount_root+0x45/0x48 [ 2368.346458] [] prepare_namespace+0x1cf/0x235 [ 2368.363967] [] kernel_init_freeable+0x4fa/0x518 [ 2368.384560] [] kernel_init+0x16/0x181 [ 2368.402138] [] ret_from_fork+0x1f/0x40 [ 2368.420266] [] ? rest_init+0x8f/0x8f [ 2368.439349] ================================================================================ [ 2368.468760] ================================================================================ [ 2368.496789] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2368.517530] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2368.547435] which requires 64 byte alignment [ 2368.565657] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2368.598830] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2368.636102] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2368.661658] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2368.685671] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2368.711940] Call Trace: [ 2368.721188] [] dump_stack+0xd7/0x132 [ 2368.738631] [] ? arch_local_irq_restore+0x1b/0x1b [ 2368.759383] [] ubsan_epilogue+0x12/0x53 [ 2368.777694] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2368.803960] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2368.827063] [] ext4_fill_super+0x917c/0xa2df [ 2368.848841] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2368.868793] [] ? vsnprintf+0x1a0/0xa32 [ 2368.887124] [] ? pointer+0x7a9/0x7a9 [ 2368.904109] [] ? set_bdev_super+0x15d/0x15d [ 2368.921090] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2368.944732] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2368.968505] [] ? scnprintf+0xf3/0xf3 [ 2368.984638] [] mount_bdev+0x3cf/0x602 [ 2369.005570] [] ? mount_bdev+0x3cf/0x602 [ 2369.022274] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2369.042411] [] ext4_mount+0x3c/0x3e [ 2369.057779] [] mount_fs+0xd0/0x2ca [ 2369.071352] [] vfs_kern_mount+0xa0/0x20a [ 2369.088139] [] do_mount+0x11fe/0x19df [ 2369.104938] [] ? kasan_kmalloc+0x94/0xa3 [ 2369.122884] [] ? copy_mount_string+0x3d/0x3d [ 2369.141227] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2369.160830] [] ? __check_object_size+0x1e1/0x2b8 [ 2369.181349] [] ? 0xffffffffb1c002b8 [ 2369.197385] [] ? copy_mount_options+0x23d/0x24d [ 2369.215441] [] SyS_mount+0xa3/0xda [ 2369.231377] [] mount_block_root+0x2fc/0x650 [ 2369.249388] [] ? init_rootfs+0x99/0x99 [ 2369.265829] [] ? security_file_ioctl+0xa5/0xb4 [ 2369.285055] [] ? SyS_mknod+0x2f/0x36 [ 2369.301485] [] mount_root+0x45/0x48 [ 2369.316614] [] prepare_namespace+0x1cf/0x235 [ 2369.334505] [] kernel_init_freeable+0x4fa/0x518 [ 2369.355014] [] kernel_init+0x16/0x181 [ 2369.368829] [] ret_from_fork+0x1f/0x40 [ 2369.384076] [] ? rest_init+0x8f/0x8f [ 2369.401169] ================================================================================ [ 2369.428594] ================================================================================ [ 2369.453612] UBSAN: Undefined behaviour in fs/ext4/super.c:4134:12 [ 2369.471540] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2369.497702] which requires 64 byte alignment [ 2369.510590] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2369.530003] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2369.556496] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2369.579183] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2369.603307] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2369.624757] Call Trace: [ 2369.634134] [] dump_stack+0xd7/0x132 [ 2369.648674] [] ? arch_local_irq_restore+0x1b/0x1b [ 2369.668923] [] ubsan_epilogue+0x12/0x53 [ 2369.684937] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2369.705948] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2369.727701] [] ext4_fill_super+0x9196/0xa2df [ 2369.746102] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2369.765367] [] ? vsnprintf+0x1a0/0xa32 [ 2369.783604] [] ? pointer+0x7a9/0x7a9 [ 2369.799601] [] ? set_bdev_super+0x15d/0x15d [ 2369.816048] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2369.837563] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2369.858318] [] ? scnprintf+0xf3/0xf3 [ 2369.874877] [] mount_bdev+0x3cf/0x602 [ 2369.891978] [] ? mount_bdev+0x3cf/0x602 [ 2369.908181] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2369.929073] [] ext4_mount+0x3c/0x3e [ 2369.943346] [] mount_fs+0xd0/0x2ca [ 2369.960128] [] vfs_kern_mount+0xa0/0x20a [ 2369.976205] [] do_mount+0x11fe/0x19df [ 2369.992290] [] ? kasan_kmalloc+0x94/0xa3 [ 2370.009007] [] ? copy_mount_string+0x3d/0x3d [ 2370.027819] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2370.045848] [] ? __check_object_size+0x1e1/0x2b8 [ 2370.066074] [] ? 0xffffffffb1c002b8 [ 2370.081340] [] ? copy_mount_options+0x23d/0x24d [ 2370.101440] [] SyS_mount+0xa3/0xda [ 2370.115451] [] mount_block_root+0x2fc/0x650 [ 2370.132615] [] ? init_rootfs+0x99/0x99 [ 2370.147192] [] ? security_file_ioctl+0xa5/0xb4 [ 2370.166906] [] ? SyS_mknod+0x2f/0x36 [ 2370.182819] [] mount_root+0x45/0x48 [ 2370.198100] [] prepare_namespace+0x1cf/0x235 [ 2370.216660] [] kernel_init_freeable+0x4fa/0x518 [ 2370.233862] [] kernel_init+0x16/0x181 [ 2370.251683] [] ret_from_fork+0x1f/0x40 [ 2370.270024] [] ? rest_init+0x8f/0x8f [ 2370.284106] ================================================================================ [ 2370.310192] ================================================================================ [ 2370.335351] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2370.355511] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2370.382656] which requires 64 byte alignment [ 2370.398776] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2370.417020] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2370.446808] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2370.471696] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2370.492317] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2370.515564] Call Trace: [ 2370.524160] [] dump_stack+0xd7/0x132 [ 2370.540650] [] ? arch_local_irq_restore+0x1b/0x1b [ 2370.562703] [] ubsan_epilogue+0x12/0x53 [ 2370.578543] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2370.600718] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2370.621774] [] ext4_fill_super+0x91d8/0xa2df [ 2370.641050] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2370.661739] [] ? vsnprintf+0x1a0/0xa32 [ 2370.680989] [] ? pointer+0x7a9/0x7a9 [ 2370.694583] [] ? set_bdev_super+0x15d/0x15d [ 2370.711810] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2370.734731] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2370.757542] [] ? scnprintf+0xf3/0xf3 [ 2370.772899] [] mount_bdev+0x3cf/0x602 [ 2370.789823] [] ? mount_bdev+0x3cf/0x602 [ 2370.806799] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2370.826338] [] ext4_mount+0x3c/0x3e [ 2370.845023] [] mount_fs+0xd0/0x2ca [ 2370.859774] [] vfs_kern_mount+0xa0/0x20a [ 2370.876144] [] do_mount+0x11fe/0x19df [ 2370.893071] [] ? kasan_kmalloc+0x94/0xa3 [ 2370.908984] [] ? copy_mount_string+0x3d/0x3d [ 2370.926088] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2370.943743] [] ? __check_object_size+0x1e1/0x2b8 [ 2370.960490] [] ? 0xffffffffb1c002b8 [ 2370.976622] [] ? copy_mount_options+0x23d/0x24d [ 2370.998084] [] SyS_mount+0xa3/0xda [ 2371.011368] [] mount_block_root+0x2fc/0x650 [ 2371.029679] [] ? init_rootfs+0x99/0x99 [ 2371.047068] [] ? security_file_ioctl+0xa5/0xb4 [ 2371.062555] [] ? SyS_mknod+0x2f/0x36 [ 2371.080126] [] mount_root+0x45/0x48 [ 2371.095527] [] prepare_namespace+0x1cf/0x235 [ 2371.114739] [] kernel_init_freeable+0x4fa/0x518 [ 2371.134112] [] kernel_init+0x16/0x181 [ 2371.150904] [] ret_from_fork+0x1f/0x40 [ 2371.166038] [] ? rest_init+0x8f/0x8f [ 2371.184110] ================================================================================ [ 2371.212037] ================================================================================ [ 2371.238650] UBSAN: Undefined behaviour in fs/ext4/super.c:4141:6 [ 2371.259289] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2371.286156] which requires 64 byte alignment [ 2371.302096] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2371.317970] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2371.349837] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2371.370888] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2371.396560] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2371.421070] Call Trace: [ 2371.429443] [] dump_stack+0xd7/0x132 [ 2371.449671] [] ? arch_local_irq_restore+0x1b/0x1b [ 2371.471960] [] ubsan_epilogue+0x12/0x53 [ 2371.490720] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2371.518310] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2371.541186] [] ext4_fill_super+0x91f2/0xa2df [ 2371.565182] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2371.588717] [] ? vsnprintf+0x1a0/0xa32 [ 2371.609279] [] ? pointer+0x7a9/0x7a9 [ 2371.627712] [] ? set_bdev_super+0x15d/0x15d [ 2371.651215] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2371.676227] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2371.700839] [] ? scnprintf+0xf3/0xf3 [ 2371.717899] [] mount_bdev+0x3cf/0x602 [ 2371.738132] [] ? mount_bdev+0x3cf/0x602 [ 2371.757988] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2371.782635] [] ext4_mount+0x3c/0x3e [ 2371.802347] [] mount_fs+0xd0/0x2ca [ 2371.821771] [] vfs_kern_mount+0xa0/0x20a [ 2371.840846] [] do_mount+0x11fe/0x19df [ 2371.859910] [] ? kasan_kmalloc+0x94/0xa3 [ 2371.880546] [] ? copy_mount_string+0x3d/0x3d [ 2371.897985] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2371.917662] [] ? __check_object_size+0x1e1/0x2b8 [ 2371.935397] [] ? 0xffffffffb1c002b8 [ 2371.948956] [] ? copy_mount_options+0x23d/0x24d [ 2371.969500] [] SyS_mount+0xa3/0xda [ 2371.983123] [] mount_block_root+0x2fc/0x650 [ 2372.001365] [] ? init_rootfs+0x99/0x99 [ 2372.018121] [] ? security_file_ioctl+0xa5/0xb4 [ 2372.035227] [] ? SyS_mknod+0x2f/0x36 [ 2372.051033] [] mount_root+0x45/0x48 [ 2372.065000] [] prepare_namespace+0x1cf/0x235 [ 2372.083522] [] kernel_init_freeable+0x4fa/0x518 [ 2372.101960] [] kernel_init+0x16/0x181 [ 2372.120869] [] ret_from_fork+0x1f/0x40 [ 2372.136211] [] ? rest_init+0x8f/0x8f [ 2372.154477] ================================================================================ [ 2372.182711] ================================================================================ [ 2372.209718] UBSAN: Undefined behaviour in fs/ext4/super.c:4150:3 [ 2372.228802] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2372.257307] which requires 64 byte alignment [ 2372.274859] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2372.296636] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2372.330809] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2372.357845] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2372.384789] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2372.411467] Call Trace: [ 2372.420225] [] dump_stack+0xd7/0x132 [ 2372.438424] [] ? arch_local_irq_restore+0x1b/0x1b [ 2372.459429] [] ubsan_epilogue+0x12/0x53 [ 2372.480611] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2372.503506] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2372.526536] [] ? ___ratelimit+0x3cf/0x3de [ 2372.545035] [] ext4_fill_super+0x9334/0xa2df [ 2372.566117] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2372.585443] [] ? vsnprintf+0x1a0/0xa32 [ 2372.604179] [] ? pointer+0x7a9/0x7a9 [ 2372.622304] [] ? set_bdev_super+0x15d/0x15d [ 2372.638973] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2372.661693] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2372.683641] [] ? scnprintf+0xf3/0xf3 [ 2372.701801] [] mount_bdev+0x3cf/0x602 [ 2372.718424] [] ? mount_bdev+0x3cf/0x602 [ 2372.734344] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2372.771045] [] ext4_mount+0x3c/0x3e [ 2372.785639] [] mount_fs+0xd0/0x2ca [ 2372.803070] [] vfs_kern_mount+0xa0/0x20a [ 2372.821602] [] do_mount+0x11fe/0x19df [ 2372.840612] [] ? kasan_kmalloc+0x94/0xa3 [ 2372.860982] [] ? copy_mount_string+0x3d/0x3d [ 2372.881037] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2372.901571] [] ? __check_object_size+0x1e1/0x2b8 [ 2372.922695] [] ? 0xffffffffb1c002b8 [ 2372.938199] [] ? copy_mount_options+0x23d/0x24d [ 2372.959387] [] SyS_mount+0xa3/0xda [ 2372.976202] [] mount_block_root+0x2fc/0x650 [ 2372.996039] [] ? init_rootfs+0x99/0x99 [ 2373.032538] [] ? security_file_ioctl+0xa5/0xb4 [ 2373.062179] [] ? SyS_mknod+0x2f/0x36 [ 2373.087348] [] mount_root+0x45/0x48 [ 2373.110332] [] prepare_namespace+0x1cf/0x235 [ 2373.138756] [] kernel_init_freeable+0x4fa/0x518 [ 2373.166450] [] kernel_init+0x16/0x181 [ 2373.191812] [] ret_from_fork+0x1f/0x40 [ 2373.221659] [] ? rest_init+0x8f/0x8f [ 2373.243600] ================================================================================ [ 2373.289290] ================================================================================ [ 2373.327903] UBSAN: Undefined behaviour in fs/ext4/super.c:4150:3 [ 2373.354474] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2373.390956] which requires 64 byte alignment [ 2373.408262] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2373.435753] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2373.471292] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2373.497948] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2373.530500] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2373.559419] Call Trace: [ 2373.565878] [] dump_stack+0xd7/0x132 [ 2373.588076] [] ? arch_local_irq_restore+0x1b/0x1b [ 2373.613212] [] ubsan_epilogue+0x12/0x53 [ 2373.637657] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2373.677453] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2373.706635] [] ? ___ratelimit+0x3cf/0x3de [ 2373.727778] [] ext4_fill_super+0x93bd/0xa2df [ 2373.751063] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2373.773329] [] ? vsnprintf+0x1a0/0xa32 [ 2373.792606] [] ? pointer+0x7a9/0x7a9 [ 2373.814340] [] ? set_bdev_super+0x15d/0x15d [ 2373.832028] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2373.856485] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2373.881387] [] ? scnprintf+0xf3/0xf3 [ 2373.898566] [] mount_bdev+0x3cf/0x602 [ 2373.917838] [] ? mount_bdev+0x3cf/0x602 [ 2373.934014] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2373.955149] [] ext4_mount+0x3c/0x3e [ 2373.971447] [] mount_fs+0xd0/0x2ca [ 2373.985566] [] vfs_kern_mount+0xa0/0x20a [ 2374.003755] [] do_mount+0x11fe/0x19df [ 2374.022096] [] ? kasan_kmalloc+0x94/0xa3 [ 2374.039603] [] ? copy_mount_string+0x3d/0x3d [ 2374.059100] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2374.081034] [] ? __check_object_size+0x1e1/0x2b8 [ 2374.101649] [] ? 0xffffffffb1c002b8 [ 2374.116900] [] ? copy_mount_options+0x23d/0x24d [ 2374.138481] [] SyS_mount+0xa3/0xda [ 2374.155114] [] mount_block_root+0x2fc/0x650 [ 2374.176286] [] ? init_rootfs+0x99/0x99 [ 2374.192643] [] ? security_file_ioctl+0xa5/0xb4 [ 2374.216026] [] ? SyS_mknod+0x2f/0x36 [ 2374.235053] [] mount_root+0x45/0x48 [ 2374.253493] [] prepare_namespace+0x1cf/0x235 [ 2374.276505] [] kernel_init_freeable+0x4fa/0x518 [ 2374.297235] [] kernel_init+0x16/0x181 [ 2374.317830] [] ret_from_fork+0x1f/0x40 [ 2374.335193] [] ? rest_init+0x8f/0x8f [ 2374.352757] ================================================================================ [ 2374.382767] EXT4-fs (sda): mounted filesystem with ordered data mode. Opts: (null) [ 2374.407569] ================================================================================ [ 2374.436320] UBSAN: Undefined behaviour in fs/ext4/super.c:4166:23 [ 2374.457505] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2374.486787] which requires 64 byte alignment [ 2374.503586] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2374.524854] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2374.555340] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2374.580482] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2374.604416] ffffffff00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2374.630248] Call Trace: [ 2374.637908] [] dump_stack+0xd7/0x132 [ 2374.655878] [] ? arch_local_irq_restore+0x1b/0x1b [ 2374.675835] [] ubsan_epilogue+0x12/0x53 [ 2374.690436] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2374.711218] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2374.736367] [] ext4_fill_super+0x967d/0xa2df [ 2374.754797] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2374.774890] [] ? vsnprintf+0x1a0/0xa32 [ 2374.792633] [] ? pointer+0x7a9/0x7a9 [ 2374.811115] [] ? set_bdev_super+0x15d/0x15d [ 2374.828324] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2374.852390] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2374.872690] [] ? scnprintf+0xf3/0xf3 [ 2374.889432] [] mount_bdev+0x3cf/0x602 [ 2374.905599] [] ? mount_bdev+0x3cf/0x602 [ 2374.921212] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2374.942135] [] ext4_mount+0x3c/0x3e [ 2374.955812] [] mount_fs+0xd0/0x2ca [ 2374.972551] [] vfs_kern_mount+0xa0/0x20a [ 2374.988109] [] do_mount+0x11fe/0x19df [ 2375.006732] [] ? kasan_kmalloc+0x94/0xa3 [ 2375.025066] [] ? copy_mount_string+0x3d/0x3d [ 2375.043641] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2375.060500] [] ? __check_object_size+0x1e1/0x2b8 [ 2375.081661] [] ? 0xffffffffb1c002b8 [ 2375.098335] [] ? copy_mount_options+0x23d/0x24d [ 2375.120594] [] SyS_mount+0xa3/0xda [ 2375.136343] [] mount_block_root+0x2fc/0x650 [ 2375.154369] [] ? init_rootfs+0x99/0x99 [ 2375.172668] [] ? security_file_ioctl+0xa5/0xb4 [ 2375.189750] [] ? SyS_mknod+0x2f/0x36 [ 2375.208583] [] mount_root+0x45/0x48 [ 2375.224474] [] prepare_namespace+0x1cf/0x235 [ 2375.242793] [] kernel_init_freeable+0x4fa/0x518 [ 2375.262417] [] kernel_init+0x16/0x181 [ 2375.280886] [] ret_from_fork+0x1f/0x40 [ 2375.297552] [] ? rest_init+0x8f/0x8f [ 2375.311646] ================================================================================ [ 2375.338077] ================================================================================ [ 2375.362780] UBSAN: Undefined behaviour in fs/super.c:1097:14 [ 2375.384043] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2375.415233] which requires 64 byte alignment [ 2375.429923] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2375.451657] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2375.483500] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa40 ffffffffb26ec5cc [ 2375.508892] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2375.536729] 0000000000000010 ffff88005c9dfa68 ffff88005c9dfa18 ffffffffb363c3e0 [ 2375.562709] Call Trace: [ 2375.571449] [] dump_stack+0xd7/0x132 [ 2375.591975] [] ? arch_local_irq_restore+0x1b/0x1b [ 2375.616774] [] ubsan_epilogue+0x12/0x53 [ 2375.636151] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2375.661042] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2375.684695] [] mount_bdev+0x408/0x602 [ 2375.701590] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2375.720885] [] ext4_mount+0x3c/0x3e [ 2375.735658] [] mount_fs+0xd0/0x2ca [ 2375.752297] [] vfs_kern_mount+0xa0/0x20a [ 2375.767670] [] do_mount+0x11fe/0x19df [ 2375.784743] [] ? kasan_kmalloc+0x94/0xa3 [ 2375.802542] [] ? copy_mount_string+0x3d/0x3d [ 2375.818841] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2375.836099] [] ? __check_object_size+0x1e1/0x2b8 [ 2375.855049] [] ? 0xffffffffb1c002b8 [ 2375.868962] [] ? copy_mount_options+0x23d/0x24d [ 2375.887743] [] SyS_mount+0xa3/0xda [ 2375.903933] [] mount_block_root+0x2fc/0x650 [ 2375.924518] [] ? init_rootfs+0x99/0x99 [ 2375.942443] [] ? security_file_ioctl+0xa5/0xb4 [ 2375.961301] [] ? SyS_mknod+0x2f/0x36 [ 2375.977882] [] mount_root+0x45/0x48 [ 2375.992014] [] prepare_namespace+0x1cf/0x235 [ 2376.011977] [] kernel_init_freeable+0x4fa/0x518 [ 2376.033823] [] kernel_init+0x16/0x181 [ 2376.053855] [] ret_from_fork+0x1f/0x40 [ 2376.072304] [] ? rest_init+0x8f/0x8f [ 2376.091614] ================================================================================ [ 2376.122806] ================================================================================ [ 2376.151982] UBSAN: Undefined behaviour in fs/super.c:1097:14 [ 2376.173506] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2376.207015] which requires 64 byte alignment [ 2376.223816] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2376.245954] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2376.278303] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa40 ffffffffb26ec5cc [ 2376.306766] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2376.333346] ffff880000000010 ffff88005c9dfa68 ffff88005c9dfa18 ffffffffb363c3e0 [ 2376.356150] Call Trace: [ 2376.363528] [] dump_stack+0xd7/0x132 [ 2376.380962] [] ? arch_local_irq_restore+0x1b/0x1b [ 2376.400322] [] ubsan_epilogue+0x12/0x53 [ 2376.415670] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2376.433698] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2376.456557] [] mount_bdev+0x438/0x602 [ 2376.474667] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2376.496124] [] ext4_mount+0x3c/0x3e [ 2376.511100] [] mount_fs+0xd0/0x2ca [ 2376.528360] [] vfs_kern_mount+0xa0/0x20a [ 2376.543666] [] do_mount+0x11fe/0x19df [ 2376.560451] [] ? kasan_kmalloc+0x94/0xa3 [ 2376.578845] [] ? copy_mount_string+0x3d/0x3d [ 2376.599063] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2376.615434] [] ? __check_object_size+0x1e1/0x2b8 [ 2376.634611] [] ? 0xffffffffb1c002b8 [ 2376.650581] [] ? copy_mount_options+0x23d/0x24d [ 2376.668564] [] SyS_mount+0xa3/0xda [ 2376.684733] [] mount_block_root+0x2fc/0x650 [ 2376.702634] [] ? init_rootfs+0x99/0x99 [ 2376.718288] [] ? security_file_ioctl+0xa5/0xb4 [ 2376.738954] [] ? SyS_mknod+0x2f/0x36 [ 2376.755522] [] mount_root+0x45/0x48 [ 2376.771894] [] prepare_namespace+0x1cf/0x235 [ 2376.790433] [] kernel_init_freeable+0x4fa/0x518 [ 2376.812126] [] kernel_init+0x16/0x181 [ 2376.831194] [] ret_from_fork+0x1f/0x40 [ 2376.849840] [] ? rest_init+0x8f/0x8f [ 2376.870694] ================================================================================ [ 2376.902187] ================================================================================ [ 2376.932516] UBSAN: Undefined behaviour in fs/super.c:1101:9 [ 2376.954611] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2376.984460] which requires 64 byte alignment [ 2377.002254] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2377.021965] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2377.056789] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa40 ffffffffb26ec5cc [ 2377.084747] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2377.111938] ffff880000000010 ffff88005c9dfa68 ffff88005c9dfa18 ffffffffb363c3e0 [ 2377.136333] Call Trace: [ 2377.143405] [] dump_stack+0xd7/0x132 [ 2377.159866] [] ? arch_local_irq_restore+0x1b/0x1b [ 2377.179275] [] ubsan_epilogue+0x12/0x53 [ 2377.194279] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2377.215838] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2377.237077] [] mount_bdev+0x482/0x602 [ 2377.251706] [] ? ext4_calculate_overhead+0xa97/0xa97 [ 2377.272873] [] ext4_mount+0x3c/0x3e [ 2377.287858] [] mount_fs+0xd0/0x2ca [ 2377.303019] [] vfs_kern_mount+0xa0/0x20a [ 2377.321553] [] do_mount+0x11fe/0x19df [ 2377.338570] [] ? kasan_kmalloc+0x94/0xa3 [ 2377.354658] [] ? copy_mount_string+0x3d/0x3d [ 2377.374127] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2377.397370] [] ? __check_object_size+0x1e1/0x2b8 [ 2377.428281] [] ? 0xffffffffb1c002b8 [ 2377.450453] [] ? copy_mount_options+0x23d/0x24d [ 2377.473577] [] SyS_mount+0xa3/0xda [ 2377.489747] [] mount_block_root+0x2fc/0x650 [ 2377.511763] [] ? init_rootfs+0x99/0x99 [ 2377.530547] [] ? security_file_ioctl+0xa5/0xb4 [ 2377.552818] [] ? SyS_mknod+0x2f/0x36 [ 2377.571195] [] mount_root+0x45/0x48 [ 2377.587777] [] prepare_namespace+0x1cf/0x235 [ 2377.606155] [] kernel_init_freeable+0x4fa/0x518 [ 2377.624782] [] kernel_init+0x16/0x181 [ 2377.640528] [] ret_from_fork+0x1f/0x40 [ 2377.655922] [] ? rest_init+0x8f/0x8f [ 2377.672499] ================================================================================ [ 2377.704281] ================================================================================ [ 2377.733262] UBSAN: Undefined behaviour in init/do_mounts.c:372:14 [ 2377.752501] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2377.782834] which requires 64 byte alignment [ 2377.795360] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2377.814111] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2377.851860] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd18 ffffffffb26ec5cc [ 2377.878760] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2377.908207] ffffffff00000010 ffff88005c9dfd40 ffff88005c9dfcf0 ffffffffb363c3e0 [ 2377.941694] Call Trace: [ 2377.952537] [] dump_stack+0xd7/0x132 [ 2377.969641] [] ? arch_local_irq_restore+0x1b/0x1b [ 2377.988424] [] ubsan_epilogue+0x12/0x53 [ 2378.006158] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2378.031024] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2378.057676] [] ? SyS_mount+0xc7/0xda [ 2378.073822] [] mount_block_root+0x3b3/0x650 [ 2378.091899] [] ? init_rootfs+0x99/0x99 [ 2378.111207] [] ? security_file_ioctl+0xa5/0xb4 [ 2378.132744] [] ? SyS_mknod+0x2f/0x36 [ 2378.152052] [] mount_root+0x45/0x48 [ 2378.171759] [] prepare_namespace+0x1cf/0x235 [ 2378.191454] [] kernel_init_freeable+0x4fa/0x518 [ 2378.215823] [] kernel_init+0x16/0x181 [ 2378.232889] [] ret_from_fork+0x1f/0x40 [ 2378.251992] [] ? rest_init+0x8f/0x8f [ 2378.269405] ================================================================================ [ 2378.294775] ================================================================================ [ 2378.326520] UBSAN: Undefined behaviour in init/do_mounts.c:376:10 [ 2378.351712] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2378.387732] which requires 64 byte alignment [ 2378.403955] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2378.426318] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2378.462300] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd18 ffffffffb26ec5cc [ 2378.501280] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2378.529326] ffffffff00000010 ffff88005c9dfd40 ffff88005c9dfcf0 ffffffffb363c3e0 [ 2378.555250] Call Trace: [ 2378.562650] [] dump_stack+0xd7/0x132 [ 2378.582482] [] ? arch_local_irq_restore+0x1b/0x1b [ 2378.649346] [] ubsan_epilogue+0x12/0x53 [ 2378.712263] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2378.746344] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2378.770018] [] ? SyS_mount+0xc7/0xda [ 2378.785118] [] mount_block_root+0x3ed/0x650 [ 2378.804644] [] ? init_rootfs+0x99/0x99 [ 2378.823732] [] ? security_file_ioctl+0xa5/0xb4 [ 2378.851708] [] ? SyS_mknod+0x2f/0x36 [ 2378.866039] [] mount_root+0x45/0x48 [ 2378.881865] [] prepare_namespace+0x1cf/0x235 [ 2378.900468] [] kernel_init_freeable+0x4fa/0x518 [ 2378.917197] [] kernel_init+0x16/0x181 [ 2378.932878] [] ret_from_fork+0x1f/0x40 [ 2378.949390] [] ? rest_init+0x8f/0x8f [ 2378.963928] ================================================================================ [ 2378.992409] ================================================================================ [ 2379.017500] UBSAN: Undefined behaviour in init/do_mounts.c:375:10 [ 2379.035832] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2379.063349] which requires 64 byte alignment [ 2379.076468] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2379.096274] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2379.126194] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd18 ffffffffb26ec5cc [ 2379.150944] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2379.175514] ffffffff00000010 ffff88005c9dfd40 ffff88005c9dfcf0 ffffffffb363c3e0 [ 2379.200775] Call Trace: [ 2379.209269] [] dump_stack+0xd7/0x132 [ 2379.229266] [] ? arch_local_irq_restore+0x1b/0x1b [ 2379.251709] [] ubsan_epilogue+0x12/0x53 [ 2379.276253] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2379.303833] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2379.358860] [] ? SyS_mount+0xc7/0xda [ 2379.390337] [] mount_block_root+0x42c/0x650 [ 2379.410597] [] ? init_rootfs+0x99/0x99 [ 2379.428161] [] ? security_file_ioctl+0xa5/0xb4 [ 2379.448371] [] ? SyS_mknod+0x2f/0x36 [ 2379.463158] [] mount_root+0x45/0x48 [ 2379.482336] [] prepare_namespace+0x1cf/0x235 [ 2379.502744] [] kernel_init_freeable+0x4fa/0x518 [ 2379.524892] [] kernel_init+0x16/0x181 [ 2379.544598] [] ret_from_fork+0x1f/0x40 [ 2379.560717] [] ? rest_init+0x8f/0x8f [ 2379.578389] ================================================================================ [ 2379.624645] VFS: Mounted root (ext4 filesystem) readonly on device 8:0. [ 2379.677770] ================================================================================ [ 2379.730809] UBSAN: Undefined behaviour in fs/crypto/fname.c:357:16 [ 2379.768955] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2379.937801] which requires 64 byte alignment [ 2379.953120] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2379.970448] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2380.003814] 00000000ffffffff 00000000b1a89c60 ffff88005c9df368 ffffffffb26ec5cc [ 2380.027887] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2380.055880] ffffffff00000010 ffff88005c9df390 ffff88005c9df340 ffffffffb363c3e0 [ 2380.080061] Call Trace: [ 2380.092254] [] dump_stack+0xd7/0x132 [ 2380.108507] [] ? arch_local_irq_restore+0x1b/0x1b [ 2380.126700] [] ubsan_epilogue+0x12/0x53 [ 2380.146321] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2380.169936] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2380.195944] [] ? kernel_init_freeable+0x4fa/0x518 [ 2380.219151] [] ? ret_from_fork+0x1f/0x40 [ 2380.237614] [] fscrypt_setup_filename+0x9b/0x8e3 [ 2380.257841] [] ? init_object+0x1d6/0x1e2 [ 2380.275940] [] ? __d_alloc+0xa3/0x7bc [ 2380.296349] [] ext4_fname_setup_filename+0x9d/0x1ae [ 2380.316963] [] ? dx_release+0x107/0x107 [ 2380.334493] [] ? __d_alloc+0xa3/0x7bc [ 2380.356960] [] ? kasan_poison_shadow+0x2f/0x31 [ 2380.377026] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2380.398770] [] ext4_find_entry+0x1f4/0x10af [ 2380.428153] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2380.460049] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2380.484838] [] ? ext4_search_dir+0x218/0x218 [ 2380.506457] [] ? __d_alloc+0x776/0x7bc [ 2380.524789] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2380.554613] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2380.575813] [] ? d_alloc_parallel+0x837/0x884 [ 2380.602838] [] ? is_ftrace_trampoline+0x146/0x153 [ 2380.644753] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2380.672235] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2380.701262] [] ext4_lookup+0x1c1/0x504 [ 2380.719939] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2380.739073] [] lookup_slow+0x271/0x2e1 [ 2380.757479] [] ? d_lookup_done+0x63/0x63 [ 2380.775801] [] walk_component+0x191/0x35a [ 2380.792265] [] ? handle_dots.part.12+0x973/0x973 [ 2380.812801] [] ? path_init+0x93c/0x950 [ 2380.829020] [] path_lookupat+0x1dc/0x373 [ 2380.845536] [] filename_lookup+0x10a/0x1f3 [ 2380.863675] [] ? user_path_parent+0x5b/0x5b [ 2380.883502] [] ? getname_flags+0x4f/0x2e0 [ 2380.903229] [] user_path_at_empty+0x4c/0x55 [ 2380.920878] [] ? user_path_at_empty+0x4c/0x55 [ 2380.940837] [] do_mount+0x14e/0x19df [ 2380.956717] [] ? kasan_kmalloc+0x94/0xa3 [ 2380.976573] [] ? copy_mount_string+0x3d/0x3d [ 2380.995442] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2381.016868] [] ? __check_object_size+0x1e1/0x2b8 [ 2381.036459] [] ? 0xffffffffb1c002b8 [ 2381.054547] [] ? copy_mount_options+0x23d/0x24d [ 2381.076999] [] SyS_mount+0xa3/0xda [ 2381.094604] [] devtmpfs_mount+0x50/0x8d [ 2381.112679] [] prepare_namespace+0x1e0/0x235 [ 2381.136423] [] kernel_init_freeable+0x4fa/0x518 [ 2381.156891] [] kernel_init+0x16/0x181 [ 2381.177796] [] ret_from_fork+0x1f/0x40 [ 2381.201338] [] ? rest_init+0x8f/0x8f [ 2381.223495] ================================================================================ [ 2381.268459] ================================================================================ [ 2381.309213] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2381.331139] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2381.477053] which requires 64 byte alignment [ 2381.517262] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2381.539337] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2381.582940] 00000000ffffffff 00000000b1a89c60 ffff88005c9df488 ffffffffb26ec5cc [ 2381.611148] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2381.636655] ffff880000000010 ffff88005c9df4b0 ffff88005c9df460 ffffffffb363c3e0 [ 2381.661961] Call Trace: [ 2381.673430] [] dump_stack+0xd7/0x132 [ 2381.692828] [] ? arch_local_irq_restore+0x1b/0x1b [ 2381.725689] [] ubsan_epilogue+0x12/0x53 [ 2381.749092] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2381.773648] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2381.803124] [] ext4_has_feature_dir_index+0x26/0x8d [ 2381.824439] [] ext4_find_entry+0x2dc/0x10af [ 2381.854556] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2381.876977] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2381.907772] [] ? ext4_search_dir+0x218/0x218 [ 2381.929438] [] ? __d_alloc+0x776/0x7bc [ 2381.952523] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2381.976781] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2382.008409] [] ? d_alloc_parallel+0x837/0x884 [ 2382.029140] [] ? is_ftrace_trampoline+0x146/0x153 [ 2382.052143] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2382.073752] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2382.095195] [] ext4_lookup+0x1c1/0x504 [ 2382.118110] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2382.146276] [] lookup_slow+0x271/0x2e1 [ 2382.166808] [] ? d_lookup_done+0x63/0x63 [ 2382.183754] [] walk_component+0x191/0x35a [ 2382.205360] [] ? handle_dots.part.12+0x973/0x973 [ 2382.225727] [] ? path_init+0x93c/0x950 [ 2382.244396] [] path_lookupat+0x1dc/0x373 [ 2382.260782] [] filename_lookup+0x10a/0x1f3 [ 2382.281849] [] ? user_path_parent+0x5b/0x5b [ 2382.304730] [] ? getname_flags+0x4f/0x2e0 [ 2382.323101] [] user_path_at_empty+0x4c/0x55 [ 2382.342325] [] ? user_path_at_empty+0x4c/0x55 [ 2382.363134] [] do_mount+0x14e/0x19df [ 2382.383037] [] ? kasan_kmalloc+0x94/0xa3 [ 2382.406192] [] ? copy_mount_string+0x3d/0x3d [ 2382.428458] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2382.447432] [] ? __check_object_size+0x1e1/0x2b8 [ 2382.470923] [] ? 0xffffffffb1c002b8 [ 2382.487307] [] ? copy_mount_options+0x23d/0x24d [ 2382.510908] [] SyS_mount+0xa3/0xda [ 2382.531100] [] devtmpfs_mount+0x50/0x8d [ 2382.554503] [] prepare_namespace+0x1e0/0x235 [ 2382.578822] [] kernel_init_freeable+0x4fa/0x518 [ 2382.608666] [] kernel_init+0x16/0x181 [ 2382.637677] [] ret_from_fork+0x1f/0x40 [ 2382.663377] [] ? rest_init+0x8f/0x8f [ 2382.684498] ================================================================================ [ 2382.719933] ================================================================================ [ 2382.750767] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1759:1 [ 2382.770172] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2382.799986] which requires 64 byte alignment [ 2382.815691] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2382.832892] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2382.861032] 00000000ffffffff 00000000b1a89c60 ffff88005c9df488 ffffffffb26ec5cc [ 2382.886267] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2382.913636] ffffffff00000010 ffff88005c9df4b0 ffff88005c9df460 ffffffffb363c3e0 [ 2382.937916] Call Trace: [ 2382.947845] [] dump_stack+0xd7/0x132 [ 2382.963622] [] ? arch_local_irq_restore+0x1b/0x1b [ 2382.986640] [] ubsan_epilogue+0x12/0x53 [ 2383.004197] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2383.028576] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2383.054493] [] ext4_has_feature_dir_index+0x52/0x8d [ 2383.075761] [] ext4_find_entry+0x2dc/0x10af [ 2383.096066] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2383.122719] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2383.150223] [] ? ext4_search_dir+0x218/0x218 [ 2383.171541] [] ? __d_alloc+0x776/0x7bc [ 2383.188392] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2383.211173] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2383.231203] [] ? d_alloc_parallel+0x837/0x884 [ 2383.252966] [] ? is_ftrace_trampoline+0x146/0x153 [ 2383.274196] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2383.293429] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2383.315835] [] ext4_lookup+0x1c1/0x504 [ 2383.334047] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2383.358332] [] lookup_slow+0x271/0x2e1 [ 2383.376995] [] ? d_lookup_done+0x63/0x63 [ 2383.397527] [] walk_component+0x191/0x35a [ 2383.417716] [] ? handle_dots.part.12+0x973/0x973 [ 2383.444979] [] ? path_init+0x93c/0x950 [ 2383.462743] [] path_lookupat+0x1dc/0x373 [ 2383.482857] [] filename_lookup+0x10a/0x1f3 [ 2383.501610] [] ? user_path_parent+0x5b/0x5b [ 2383.520211] [] ? getname_flags+0x4f/0x2e0 [ 2383.542348] [] user_path_at_empty+0x4c/0x55 [ 2383.561185] [] ? user_path_at_empty+0x4c/0x55 [ 2383.580927] [] do_mount+0x14e/0x19df [ 2383.599794] [] ? kasan_kmalloc+0x94/0xa3 [ 2383.628185] [] ? copy_mount_string+0x3d/0x3d [ 2383.654367] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2383.679181] [] ? __check_object_size+0x1e1/0x2b8 [ 2383.704689] [] ? 0xffffffffb1c002b8 [ 2383.727107] [] ? copy_mount_options+0x23d/0x24d [ 2383.751934] [] SyS_mount+0xa3/0xda [ 2383.766377] [] devtmpfs_mount+0x50/0x8d [ 2383.794320] [] prepare_namespace+0x1e0/0x235 [ 2383.825197] [] kernel_init_freeable+0x4fa/0x518 [ 2383.856461] [] kernel_init+0x16/0x181 [ 2383.878034] [] ret_from_fork+0x1f/0x40 [ 2383.906727] [] ? rest_init+0x8f/0x8f [ 2383.929215] ================================================================================ [ 2383.972691] ================================================================================ [ 2384.015591] UBSAN: Undefined behaviour in fs/ext4/namei.c:1415:27 [ 2384.041650] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2384.080830] which requires 64 byte alignment [ 2384.107704] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2384.138815] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2384.175228] 00000000ffffffff 00000000b1a89c60 ffff88005c9df4a0 ffffffffb26ec5cc [ 2384.197802] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2384.239864] 0000000000000010 ffff88005c9df4c8 ffff88005c9df478 ffffffffb363c3e0 [ 2384.295910] Call Trace: [ 2384.309423] [] dump_stack+0xd7/0x132 [ 2384.326923] [] ? arch_local_irq_restore+0x1b/0x1b [ 2384.355034] [] ubsan_epilogue+0x12/0x53 [ 2384.377688] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2384.402836] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2384.432392] [] ext4_find_entry+0x6de/0x10af [ 2384.451795] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2384.476817] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2384.502216] [] ? ext4_search_dir+0x218/0x218 [ 2384.526703] [] ? __d_alloc+0x776/0x7bc [ 2384.547013] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2384.571142] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2384.594876] [] ? d_alloc_parallel+0x837/0x884 [ 2384.614222] [] ? is_ftrace_trampoline+0x146/0x153 [ 2384.638464] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2384.656977] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2384.679683] [] ext4_lookup+0x1c1/0x504 [ 2384.698354] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2384.721332] [] lookup_slow+0x271/0x2e1 [ 2384.744709] [] ? d_lookup_done+0x63/0x63 [ 2384.762475] [] walk_component+0x191/0x35a [ 2384.783711] [] ? handle_dots.part.12+0x973/0x973 [ 2384.808187] [] ? path_init+0x93c/0x950 [ 2384.822704] [] path_lookupat+0x1dc/0x373 [ 2384.842629] [] filename_lookup+0x10a/0x1f3 [ 2384.863210] [] ? user_path_parent+0x5b/0x5b [ 2384.882410] [] ? getname_flags+0x4f/0x2e0 [ 2384.903143] [] user_path_at_empty+0x4c/0x55 [ 2384.919502] [] ? user_path_at_empty+0x4c/0x55 [ 2384.940731] [] do_mount+0x14e/0x19df [ 2384.957525] [] ? kasan_kmalloc+0x94/0xa3 [ 2384.976646] [] ? copy_mount_string+0x3d/0x3d [ 2384.996034] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2385.016050] [] ? __check_object_size+0x1e1/0x2b8 [ 2385.036240] [] ? 0xffffffffb1c002b8 [ 2385.053566] [] ? copy_mount_options+0x23d/0x24d [ 2385.071045] [] SyS_mount+0xa3/0xda [ 2385.087034] [] devtmpfs_mount+0x50/0x8d [ 2385.110122] [] prepare_namespace+0x1e0/0x235 [ 2385.135186] [] kernel_init_freeable+0x4fa/0x518 [ 2385.160837] [] kernel_init+0x16/0x181 [ 2385.177562] [] ret_from_fork+0x1f/0x40 [ 2385.199798] [] ? rest_init+0x8f/0x8f [ 2385.215101] ================================================================================ [ 2385.249741] ================================================================================ [ 2385.276284] UBSAN: Undefined behaviour in ./include/linux/buffer_head.h:319:43 [ 2385.297573] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2385.328472] which requires 64 byte alignment [ 2385.342320] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2385.363459] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2385.399145] 00000000ffffffff 00000000b1a89c60 ffff88005c9df3f0 ffffffffb26ec5cc [ 2385.430954] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2385.458960] ffff880000000010 ffff88005c9df418 ffff88005c9df3c8 ffffffffb363c3e0 [ 2385.486643] Call Trace: [ 2385.494175] [] dump_stack+0xd7/0x132 [ 2385.513529] [] ? arch_local_irq_restore+0x1b/0x1b [ 2385.533808] [] ubsan_epilogue+0x12/0x53 [ 2385.553640] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2385.578916] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2385.603569] [] ? arch_local_irq_restore+0x6/0xd [ 2385.626521] [] ext4_getblk+0x16c/0x393 [ 2385.646494] [] ? ext4_dio_get_block_overwrite+0x16f/0x16f [ 2385.673348] [] ext4_find_entry+0x8e1/0x10af [ 2385.697264] [] ? ext4_search_dir+0x218/0x218 [ 2385.724626] [] ? __d_alloc+0x776/0x7bc [ 2385.749209] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2385.777095] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2385.800128] [] ? d_alloc_parallel+0x837/0x884 [ 2385.827959] [] ? is_ftrace_trampoline+0x146/0x153 [ 2385.855088] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2385.880194] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2385.905049] [] ext4_lookup+0x1c1/0x504 [ 2385.927453] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2385.953796] [] lookup_slow+0x271/0x2e1 [ 2385.972371] [] ? d_lookup_done+0x63/0x63 [ 2385.992696] [] walk_component+0x191/0x35a [ 2386.012814] [] ? handle_dots.part.12+0x973/0x973 [ 2386.032057] [] ? path_init+0x93c/0x950 [ 2386.053703] [] path_lookupat+0x1dc/0x373 [ 2386.077557] [] filename_lookup+0x10a/0x1f3 [ 2386.113546] [] ? user_path_parent+0x5b/0x5b [ 2386.150153] [] ? getname_flags+0x4f/0x2e0 [ 2386.192364] [] user_path_at_empty+0x4c/0x55 [ 2386.227655] [] ? user_path_at_empty+0x4c/0x55 [ 2386.252362] [] do_mount+0x14e/0x19df [ 2386.275106] [] ? kasan_kmalloc+0x94/0xa3 [ 2386.305176] [] ? copy_mount_string+0x3d/0x3d [ 2386.334241] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2386.368353] [] ? __check_object_size+0x1e1/0x2b8 [ 2386.394785] [] ? 0xffffffffb1c002b8 [ 2386.418685] [] ? copy_mount_options+0x23d/0x24d [ 2386.452509] [] SyS_mount+0xa3/0xda [ 2386.473788] [] devtmpfs_mount+0x50/0x8d [ 2386.494225] [] prepare_namespace+0x1e0/0x235 [ 2386.525885] [] kernel_init_freeable+0x4fa/0x518 [ 2386.547787] [] kernel_init+0x16/0x181 [ 2386.570729] [] ret_from_fork+0x1f/0x40 [ 2386.588931] [] ? rest_init+0x8f/0x8f [ 2386.611235] ================================================================================ [ 2386.642905] ================================================================================ [ 2386.677186] UBSAN: Undefined behaviour in ./include/linux/buffer_head.h:319:9 [ 2386.702541] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2386.743910] which requires 64 byte alignment [ 2386.760036] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2386.781210] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2386.817916] 00000000ffffffff 00000000b1a89c60 ffff88005c9df3f0 ffffffffb26ec5cc [ 2386.847805] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2386.876447] ffff880000000010 ffff88005c9df418 ffff88005c9df3c8 ffffffffb363c3e0 [ 2386.901695] Call Trace: [ 2386.911803] [] dump_stack+0xd7/0x132 [ 2386.931334] [] ? arch_local_irq_restore+0x1b/0x1b [ 2386.957231] [] ubsan_epilogue+0x12/0x53 [ 2386.980011] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2387.001156] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2387.024629] [] ? arch_local_irq_restore+0x6/0xd [ 2387.047280] [] ext4_getblk+0x199/0x393 [ 2387.070343] [] ? ext4_dio_get_block_overwrite+0x16f/0x16f [ 2387.098501] [] ext4_find_entry+0x8e1/0x10af [ 2387.120337] [] ? ext4_search_dir+0x218/0x218 [ 2387.139406] [] ? __d_alloc+0x776/0x7bc [ 2387.157201] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2387.180242] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2387.205509] [] ? d_alloc_parallel+0x837/0x884 [ 2387.224646] [] ? is_ftrace_trampoline+0x146/0x153 [ 2387.247388] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2387.266853] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2387.287862] [] ext4_lookup+0x1c1/0x504 [ 2387.306016] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2387.330373] [] lookup_slow+0x271/0x2e1 [ 2387.351778] [] ? d_lookup_done+0x63/0x63 [ 2387.372493] [] walk_component+0x191/0x35a [ 2387.396835] [] ? handle_dots.part.12+0x973/0x973 [ 2387.419029] [] ? path_init+0x93c/0x950 [ 2387.441327] [] path_lookupat+0x1dc/0x373 [ 2387.465992] [] filename_lookup+0x10a/0x1f3 [ 2387.484109] [] ? user_path_parent+0x5b/0x5b [ 2387.507654] [] ? getname_flags+0x4f/0x2e0 [ 2387.529100] [] user_path_at_empty+0x4c/0x55 [ 2387.552733] [] ? user_path_at_empty+0x4c/0x55 [ 2387.573248] [] do_mount+0x14e/0x19df [ 2387.588302] [] ? kasan_kmalloc+0x94/0xa3 [ 2387.610551] [] ? copy_mount_string+0x3d/0x3d [ 2387.631677] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2387.652877] [] ? __check_object_size+0x1e1/0x2b8 [ 2387.676314] [] ? 0xffffffffb1c002b8 [ 2387.690344] [] ? copy_mount_options+0x23d/0x24d [ 2387.713468] [] SyS_mount+0xa3/0xda [ 2387.734403] [] devtmpfs_mount+0x50/0x8d [ 2387.754217] [] prepare_namespace+0x1e0/0x235 [ 2387.778321] [] kernel_init_freeable+0x4fa/0x518 [ 2387.802406] [] kernel_init+0x16/0x181 [ 2387.822391] [] ret_from_fork+0x1f/0x40 [ 2387.844883] [] ? rest_init+0x8f/0x8f [ 2387.868782] ================================================================================ [ 2387.907018] ================================================================================ [ 2387.940759] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2387.972379] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2388.012947] which requires 64 byte alignment [ 2388.028534] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2388.048282] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2388.104464] 00000000ffffffff 00000000b1a89c60 ffff88005c9df430 ffffffffb26ec5cc [ 2388.160728] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2388.193742] ffff880000000010 ffff88005c9df458 ffff88005c9df408 ffffffffb363c3e0 [ 2388.220054] Call Trace: [ 2388.230317] [] dump_stack+0xd7/0x132 [ 2388.250931] [] ? arch_local_irq_restore+0x1b/0x1b [ 2388.273787] [] ubsan_epilogue+0x12/0x53 [ 2388.292706] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2388.318333] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2388.343686] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2388.373152] [] ext4_has_metadata_csum+0x2c/0x1a0 [ 2388.402960] [] ext4_dirent_csum_verify+0x52/0x18e [ 2388.432739] [] ? ext4_find_entry+0xc8e/0x10af [ 2388.460193] [] ext4_find_entry+0xc9b/0x10af [ 2388.484482] [] ? ext4_search_dir+0x218/0x218 [ 2388.509679] [] ? __d_alloc+0x776/0x7bc [ 2388.532118] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2388.557793] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2388.585591] [] ? d_alloc_parallel+0x837/0x884 [ 2388.609750] [] ? is_ftrace_trampoline+0x146/0x153 [ 2388.637126] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2388.662184] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2388.687441] [] ext4_lookup+0x1c1/0x504 [ 2388.709913] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2388.737574] [] lookup_slow+0x271/0x2e1 [ 2388.765344] [] ? d_lookup_done+0x63/0x63 [ 2388.787887] [] walk_component+0x191/0x35a [ 2388.816666] [] ? handle_dots.part.12+0x973/0x973 [ 2388.841421] [] ? path_init+0x93c/0x950 [ 2388.863024] [] path_lookupat+0x1dc/0x373 [ 2388.880982] [] filename_lookup+0x10a/0x1f3 [ 2388.900949] [] ? user_path_parent+0x5b/0x5b [ 2388.919200] [] ? getname_flags+0x4f/0x2e0 [ 2388.940166] [] user_path_at_empty+0x4c/0x55 [ 2388.957726] [] ? user_path_at_empty+0x4c/0x55 [ 2388.976425] [] do_mount+0x14e/0x19df [ 2388.993621] [] ? kasan_kmalloc+0x94/0xa3 [ 2389.013012] [] ? copy_mount_string+0x3d/0x3d [ 2389.031973] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2389.053048] [] ? __check_object_size+0x1e1/0x2b8 [ 2389.074328] [] ? 0xffffffffb1c002b8 [ 2389.096596] [] ? copy_mount_options+0x23d/0x24d [ 2389.117699] [] SyS_mount+0xa3/0xda [ 2389.137486] [] devtmpfs_mount+0x50/0x8d [ 2389.160281] [] prepare_namespace+0x1e0/0x235 [ 2389.180577] [] kernel_init_freeable+0x4fa/0x518 [ 2389.203329] [] kernel_init+0x16/0x181 [ 2389.227503] [] ret_from_fork+0x1f/0x40 [ 2389.248042] [] ? rest_init+0x8f/0x8f [ 2389.270429] ================================================================================ [ 2389.299263] ================================================================================ [ 2389.334614] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1771:1 [ 2389.354177] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2389.389184] which requires 64 byte alignment [ 2389.401882] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2389.422544] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2389.453598] 00000000ffffffff 00000000b1a89c60 ffff88005c9df430 ffffffffb26ec5cc [ 2389.480953] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2389.537440] ffff880000000010 ffff88005c9df458 ffff88005c9df408 ffffffffb363c3e0 [ 2389.601085] Call Trace: [ 2389.612324] [] dump_stack+0xd7/0x132 [ 2389.632713] [] ? arch_local_irq_restore+0x1b/0x1b [ 2389.656518] [] ubsan_epilogue+0x12/0x53 [ 2389.677500] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2389.702826] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2389.728071] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2389.753674] [] ext4_has_metadata_csum+0x5c/0x1a0 [ 2389.773405] [] ext4_dirent_csum_verify+0x52/0x18e [ 2389.791493] [] ? ext4_find_entry+0xc8e/0x10af [ 2389.808219] [] ext4_find_entry+0xc9b/0x10af [ 2389.830640] [] ? ext4_search_dir+0x218/0x218 [ 2389.851509] [] ? __d_alloc+0x776/0x7bc [ 2389.868450] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2389.889722] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2389.918052] [] ? d_alloc_parallel+0x837/0x884 [ 2389.940831] [] ? is_ftrace_trampoline+0x146/0x153 [ 2389.959236] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2389.981489] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2390.002445] [] ext4_lookup+0x1c1/0x504 [ 2390.023074] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2390.043974] [] lookup_slow+0x271/0x2e1 [ 2390.066173] [] ? d_lookup_done+0x63/0x63 [ 2390.086581] [] walk_component+0x191/0x35a [ 2390.107995] [] ? handle_dots.part.12+0x973/0x973 [ 2390.133271] [] ? path_init+0x93c/0x950 [ 2390.152178] [] path_lookupat+0x1dc/0x373 [ 2390.174223] [] filename_lookup+0x10a/0x1f3 [ 2390.198725] [] ? user_path_parent+0x5b/0x5b [ 2390.216828] [] ? getname_flags+0x4f/0x2e0 [ 2390.238308] [] user_path_at_empty+0x4c/0x55 [ 2390.258695] [] ? user_path_at_empty+0x4c/0x55 [ 2390.278920] [] do_mount+0x14e/0x19df [ 2390.297183] [] ? kasan_kmalloc+0x94/0xa3 [ 2390.315762] [] ? copy_mount_string+0x3d/0x3d [ 2390.337540] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2390.360302] [] ? __check_object_size+0x1e1/0x2b8 [ 2390.379903] [] ? 0xffffffffb1c002b8 [ 2390.399289] [] ? copy_mount_options+0x23d/0x24d [ 2390.422939] [] SyS_mount+0xa3/0xda [ 2390.444385] [] devtmpfs_mount+0x50/0x8d [ 2390.463187] [] prepare_namespace+0x1e0/0x235 [ 2390.486348] [] kernel_init_freeable+0x4fa/0x518 [ 2390.506868] [] kernel_init+0x16/0x181 [ 2390.526228] [] ret_from_fork+0x1f/0x40 [ 2390.545833] [] ? rest_init+0x8f/0x8f [ 2390.566334] ================================================================================ [ 2390.594663] ================================================================================ [ 2390.623795] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2390.645768] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2390.673327] which requires 64 byte alignment [ 2390.686221] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2390.706624] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2390.735404] 00000000ffffffff 00000000b1a89c60 ffff88005c9df430 ffffffffb26ec5cc [ 2390.759778] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2390.828582] ffff880000000010 ffff88005c9df458 ffff88005c9df408 ffffffffb363c3e0 [ 2390.901653] Call Trace: [ 2390.913852] [] dump_stack+0xd7/0x132 [ 2390.998177] [] ? arch_local_irq_restore+0x1b/0x1b [ 2391.047771] [] ubsan_epilogue+0x12/0x53 [ 2391.082737] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2391.127166] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2391.204574] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2391.253255] [] ext4_has_metadata_csum+0xb7/0x1a0 [ 2391.275271] [] ext4_dirent_csum_verify+0x52/0x18e [ 2391.301017] [] ? ext4_find_entry+0xc8e/0x10af [ 2391.318736] [] ext4_find_entry+0xc9b/0x10af [ 2391.340508] [] ? ext4_search_dir+0x218/0x218 [ 2391.359126] [] ? __d_alloc+0x776/0x7bc [ 2391.375717] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2391.395756] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2391.421147] [] ? d_alloc_parallel+0x837/0x884 [ 2391.438043] [] ? is_ftrace_trampoline+0x146/0x153 [ 2391.461770] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2391.488551] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2391.512396] [] ext4_lookup+0x1c1/0x504 [ 2391.532181] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2391.551507] [] lookup_slow+0x271/0x2e1 [ 2391.571663] [] ? d_lookup_done+0x63/0x63 [ 2391.594429] [] walk_component+0x191/0x35a [ 2391.616429] [] ? handle_dots.part.12+0x973/0x973 [ 2391.635946] [] ? path_init+0x93c/0x950 [ 2391.654963] [] path_lookupat+0x1dc/0x373 [ 2391.675537] [] filename_lookup+0x10a/0x1f3 [ 2391.726708] [] ? user_path_parent+0x5b/0x5b [ 2391.749481] [] ? getname_flags+0x4f/0x2e0 [ 2391.770322] [] user_path_at_empty+0x4c/0x55 [ 2391.793682] [] ? user_path_at_empty+0x4c/0x55 [ 2391.815391] [] do_mount+0x14e/0x19df [ 2391.836580] [] ? kasan_kmalloc+0x94/0xa3 [ 2391.858207] [] ? copy_mount_string+0x3d/0x3d [ 2391.880368] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2391.905979] [] ? __check_object_size+0x1e1/0x2b8 [ 2391.928977] [] ? 0xffffffffb1c002b8 [ 2391.947794] [] ? copy_mount_options+0x23d/0x24d [ 2391.974805] [] SyS_mount+0xa3/0xda [ 2391.997066] [] devtmpfs_mount+0x50/0x8d [ 2392.022452] [] prepare_namespace+0x1e0/0x235 [ 2392.049746] [] kernel_init_freeable+0x4fa/0x518 [ 2392.079029] [] kernel_init+0x16/0x181 [ 2392.094811] [] ret_from_fork+0x1f/0x40 [ 2392.111203] [] ? rest_init+0x8f/0x8f [ 2392.128082] ================================================================================ [ 2392.152680] ================================================================================ [ 2392.177571] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2748:2 [ 2392.195131] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2392.223500] which requires 64 byte alignment [ 2392.236616] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2392.254646] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2392.282720] 00000000ffffffff 00000000b1a89c60 ffff88005c9df430 ffffffffb26ec5cc [ 2392.308187] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2392.333466] ffff880000000010 ffff88005c9df458 ffff88005c9df408 ffffffffb363c3e0 [ 2392.361970] Call Trace: [ 2392.374324] [] dump_stack+0xd7/0x132 [ 2392.395546] [] ? arch_local_irq_restore+0x1b/0x1b [ 2392.418749] [] ubsan_epilogue+0x12/0x53 [ 2392.440511] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2392.469166] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2392.495912] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2392.523360] [] ext4_has_metadata_csum+0xd1/0x1a0 [ 2392.545411] [] ext4_dirent_csum_verify+0x52/0x18e [ 2392.573237] [] ? ext4_find_entry+0xc8e/0x10af [ 2392.598954] [] ext4_find_entry+0xc9b/0x10af [ 2392.620280] [] ? ext4_search_dir+0x218/0x218 [ 2392.639577] [] ? __d_alloc+0x776/0x7bc [ 2392.655816] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2392.679132] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2392.699932] [] ? d_alloc_parallel+0x837/0x884 [ 2392.719553] [] ? is_ftrace_trampoline+0x146/0x153 [ 2392.741137] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2392.759157] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2392.778585] [] ext4_lookup+0x1c1/0x504 [ 2392.796523] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2392.815254] [] lookup_slow+0x271/0x2e1 [ 2392.831508] [] ? d_lookup_done+0x63/0x63 [ 2392.848945] [] walk_component+0x191/0x35a [ 2392.867197] [] ? handle_dots.part.12+0x973/0x973 [ 2392.883982] [] ? path_init+0x93c/0x950 [ 2392.900698] [] path_lookupat+0x1dc/0x373 [ 2392.918745] [] filename_lookup+0x10a/0x1f3 [ 2392.940535] [] ? user_path_parent+0x5b/0x5b [ 2392.957956] [] ? getname_flags+0x4f/0x2e0 [ 2392.977405] [] user_path_at_empty+0x4c/0x55 [ 2392.997789] [] ? user_path_at_empty+0x4c/0x55 [ 2393.017641] [] do_mount+0x14e/0x19df [ 2393.032457] [] ? kasan_kmalloc+0x94/0xa3 [ 2393.050169] [] ? copy_mount_string+0x3d/0x3d [ 2393.069002] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2393.088506] [] ? __check_object_size+0x1e1/0x2b8 [ 2393.106929] [] ? 0xffffffffb1c002b8 [ 2393.124638] [] ? copy_mount_options+0x23d/0x24d [ 2393.146946] [] SyS_mount+0xa3/0xda [ 2393.164820] [] devtmpfs_mount+0x50/0x8d [ 2393.184698] [] prepare_namespace+0x1e0/0x235 [ 2393.207037] [] kernel_init_freeable+0x4fa/0x518 [ 2393.230113] [] kernel_init+0x16/0x181 [ 2393.251544] [] ret_from_fork+0x1f/0x40 [ 2393.270638] [] ? rest_init+0x8f/0x8f [ 2393.291999] ================================================================================ [ 2393.325654] ================================================================================ [ 2393.357890] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2393.383199] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2393.419039] which requires 64 byte alignment [ 2393.435925] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2393.457887] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2393.486007] 00000000ffffffff 00000000b1a89c60 ffff88005c9df430 ffffffffb26ec5cc [ 2393.511194] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2393.533973] ffff880000000010 ffff88005c9df458 ffff88005c9df408 ffffffffb363c3e0 [ 2393.561967] Call Trace: [ 2393.574403] [] dump_stack+0xd7/0x132 [ 2393.593062] [] ? arch_local_irq_restore+0x1b/0x1b [ 2393.617666] [] ubsan_epilogue+0x12/0x53 [ 2393.640254] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2393.666269] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2393.693072] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2393.720740] [] ext4_has_metadata_csum+0x156/0x1a0 [ 2393.746559] [] ext4_dirent_csum_verify+0x52/0x18e [ 2393.771374] [] ? ext4_find_entry+0xc8e/0x10af [ 2393.795762] [] ext4_find_entry+0xc9b/0x10af [ 2393.819133] [] ? ext4_search_dir+0x218/0x218 [ 2393.841745] [] ? __d_alloc+0x776/0x7bc [ 2393.858956] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2393.879854] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2393.899317] [] ? d_alloc_parallel+0x837/0x884 [ 2393.915215] [] ? is_ftrace_trampoline+0x146/0x153 [ 2393.932619] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2393.949186] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2393.968617] [] ext4_lookup+0x1c1/0x504 [ 2393.986788] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2394.005245] [] lookup_slow+0x271/0x2e1 [ 2394.020139] [] ? d_lookup_done+0x63/0x63 [ 2394.037753] [] walk_component+0x191/0x35a [ 2394.061788] [] ? handle_dots.part.12+0x973/0x973 [ 2394.077570] [] ? path_init+0x93c/0x950 [ 2394.097340] [] path_lookupat+0x1dc/0x373 [ 2394.114809] [] filename_lookup+0x10a/0x1f3 [ 2394.131986] [] ? user_path_parent+0x5b/0x5b [ 2394.148997] [] ? getname_flags+0x4f/0x2e0 [ 2394.168392] [] user_path_at_empty+0x4c/0x55 [ 2394.190774] [] ? user_path_at_empty+0x4c/0x55 [ 2394.214869] [] do_mount+0x14e/0x19df [ 2394.233693] [] ? kasan_kmalloc+0x94/0xa3 [ 2394.256601] [] ? copy_mount_string+0x3d/0x3d [ 2394.278852] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2394.303064] [] ? __check_object_size+0x1e1/0x2b8 [ 2394.328656] [] ? 0xffffffffb1c002b8 [ 2394.352952] [] ? copy_mount_options+0x23d/0x24d [ 2394.377514] [] SyS_mount+0xa3/0xda [ 2394.397280] [] devtmpfs_mount+0x50/0x8d [ 2394.418993] [] prepare_namespace+0x1e0/0x235 [ 2394.439197] [] kernel_init_freeable+0x4fa/0x518 [ 2394.467012] [] kernel_init+0x16/0x181 [ 2394.485364] [] ret_from_fork+0x1f/0x40 [ 2394.504061] [] ? rest_init+0x8f/0x8f [ 2394.527981] ================================================================================ [ 2394.561572] ================================================================================ [ 2394.594486] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2751:21 [ 2394.618706] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2394.658899] which requires 64 byte alignment [ 2394.674976] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2394.698510] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2394.731668] 00000000ffffffff 00000000b1a89c60 ffff88005c9df430 ffffffffb26ec5cc [ 2394.751753] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2394.776236] ffff880000000010 ffff88005c9df458 ffff88005c9df408 ffffffffb363c3e0 [ 2394.799860] Call Trace: [ 2394.807778] [] dump_stack+0xd7/0x132 [ 2394.823862] [] ? arch_local_irq_restore+0x1b/0x1b [ 2394.849613] [] ubsan_epilogue+0x12/0x53 [ 2394.863003] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2394.891747] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2394.912235] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2394.936942] [] ext4_has_metadata_csum+0x17e/0x1a0 [ 2394.959854] [] ext4_dirent_csum_verify+0x52/0x18e [ 2394.982654] [] ? ext4_find_entry+0xc8e/0x10af [ 2395.001725] [] ext4_find_entry+0xc9b/0x10af [ 2395.020338] [] ? ext4_search_dir+0x218/0x218 [ 2395.041127] [] ? __d_alloc+0x776/0x7bc [ 2395.057776] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2395.078150] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2395.097825] [] ? d_alloc_parallel+0x837/0x884 [ 2395.115977] [] ? is_ftrace_trampoline+0x146/0x153 [ 2395.139710] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2395.167173] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2395.192003] [] ext4_lookup+0x1c1/0x504 [ 2395.212540] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2395.233488] [] lookup_slow+0x271/0x2e1 [ 2395.250953] [] ? d_lookup_done+0x63/0x63 [ 2395.268802] [] walk_component+0x191/0x35a [ 2395.290250] [] ? handle_dots.part.12+0x973/0x973 [ 2395.315930] [] ? path_init+0x93c/0x950 [ 2395.335433] [] path_lookupat+0x1dc/0x373 [ 2395.361715] [] filename_lookup+0x10a/0x1f3 [ 2395.382874] [] ? user_path_parent+0x5b/0x5b [ 2395.406693] [] ? getname_flags+0x4f/0x2e0 [ 2395.429834] [] user_path_at_empty+0x4c/0x55 [ 2395.451610] [] ? user_path_at_empty+0x4c/0x55 [ 2395.472545] [] do_mount+0x14e/0x19df [ 2395.495336] [] ? kasan_kmalloc+0x94/0xa3 [ 2395.517991] [] ? copy_mount_string+0x3d/0x3d [ 2395.539354] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2395.569966] [] ? __check_object_size+0x1e1/0x2b8 [ 2395.622093] [] ? 0xffffffffb1c002b8 [ 2395.649659] [] ? copy_mount_options+0x23d/0x24d [ 2395.669478] [] SyS_mount+0xa3/0xda [ 2395.688140] [] devtmpfs_mount+0x50/0x8d [ 2395.706965] [] prepare_namespace+0x1e0/0x235 [ 2395.726020] [] kernel_init_freeable+0x4fa/0x518 [ 2395.747785] [] kernel_init+0x16/0x181 [ 2395.766805] [] ret_from_fork+0x1f/0x40 [ 2395.782501] [] ? rest_init+0x8f/0x8f [ 2395.804080] ================================================================================ [ 2395.829030] ================================================================================ [ 2395.854109] UBSAN: Undefined behaviour in fs/ext4/namei.c:310:6 [ 2395.873499] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2395.902831] which requires 64 byte alignment [ 2395.913636] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2395.933063] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2395.962248] 00000000ffffffff 00000000b1a89c60 ffff88005c9df440 ffffffffb26ec5cc [ 2395.985269] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2396.009801] 0000000000000010 ffff88005c9df468 ffff88005c9df418 ffffffffb363c3e0 [ 2396.035429] Call Trace: [ 2396.043678] [] dump_stack+0xd7/0x132 [ 2396.058087] [] ? arch_local_irq_restore+0x1b/0x1b [ 2396.077535] [] ubsan_epilogue+0x12/0x53 [ 2396.100951] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2396.125137] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2396.156078] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2396.183137] [] get_dirent_tail+0x56/0xfe [ 2396.204642] [] ext4_dirent_csum_verify+0x6a/0x18e [ 2396.229674] [] ? ext4_find_entry+0xc8e/0x10af [ 2396.252778] [] ext4_find_entry+0xc9b/0x10af [ 2396.278622] [] ? ext4_search_dir+0x218/0x218 [ 2396.301271] [] ? __d_alloc+0x776/0x7bc [ 2396.323148] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2396.348574] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2396.379682] [] ? d_alloc_parallel+0x837/0x884 [ 2396.402680] [] ? is_ftrace_trampoline+0x146/0x153 [ 2396.425092] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2396.445827] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2396.483254] [] ext4_lookup+0x1c1/0x504 [ 2396.503361] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2396.522612] [] lookup_slow+0x271/0x2e1 [ 2396.540200] [] ? d_lookup_done+0x63/0x63 [ 2396.557457] [] walk_component+0x191/0x35a [ 2396.576751] [] ? handle_dots.part.12+0x973/0x973 [ 2396.596571] [] ? path_init+0x93c/0x950 [ 2396.614689] [] path_lookupat+0x1dc/0x373 [ 2396.632565] [] filename_lookup+0x10a/0x1f3 [ 2396.646634] [] ? user_path_parent+0x5b/0x5b [ 2396.665931] [] ? getname_flags+0x4f/0x2e0 [ 2396.684879] [] user_path_at_empty+0x4c/0x55 [ 2396.702082] [] ? user_path_at_empty+0x4c/0x55 [ 2396.719404] [] do_mount+0x14e/0x19df [ 2396.735419] [] ? kasan_kmalloc+0x94/0xa3 [ 2396.753710] [] ? copy_mount_string+0x3d/0x3d [ 2396.772497] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2396.792948] [] ? __check_object_size+0x1e1/0x2b8 [ 2396.810432] [] ? 0xffffffffb1c002b8 [ 2396.826367] [] ? copy_mount_options+0x23d/0x24d [ 2396.846497] [] SyS_mount+0xa3/0xda [ 2396.864487] [] devtmpfs_mount+0x50/0x8d [ 2396.881212] [] prepare_namespace+0x1e0/0x235 [ 2396.903856] [] kernel_init_freeable+0x4fa/0x518 [ 2396.928488] [] kernel_init+0x16/0x181 [ 2396.947223] [] ret_from_fork+0x1f/0x40 [ 2396.967115] [] ? rest_init+0x8f/0x8f [ 2396.989188] ================================================================================ [ 2397.020646] ================================================================================ [ 2397.053608] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2397.078976] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2397.112442] which requires 64 byte alignment [ 2397.128594] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2397.153780] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2397.190915] 00000000ffffffff 00000000b1a89c60 ffff88005c9df460 ffffffffb26ec5cc [ 2397.218532] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2397.252280] ffffffff00000010 ffff88005c9df488 ffff88005c9df438 ffffffffb363c3e0 [ 2397.292035] Call Trace: [ 2397.300097] [] dump_stack+0xd7/0x132 [ 2397.318337] [] ? arch_local_irq_restore+0x1b/0x1b [ 2397.340863] [] ubsan_epilogue+0x12/0x53 [ 2397.361285] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2397.386907] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2397.410007] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2397.431213] [] ext4_dirent_csum_verify+0x11e/0x18e [ 2397.452603] [] ext4_find_entry+0xc9b/0x10af [ 2397.469236] [] ? ext4_search_dir+0x218/0x218 [ 2397.487663] [] ? __d_alloc+0x776/0x7bc [ 2397.502443] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2397.524800] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2397.548344] [] ? d_alloc_parallel+0x837/0x884 [ 2397.576496] [] ? is_ftrace_trampoline+0x146/0x153 [ 2397.602301] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2397.626086] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2397.644813] [] ext4_lookup+0x1c1/0x504 [ 2397.661647] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2397.685063] [] lookup_slow+0x271/0x2e1 [ 2397.708846] [] ? d_lookup_done+0x63/0x63 [ 2397.731661] [] walk_component+0x191/0x35a [ 2397.756319] [] ? handle_dots.part.12+0x973/0x973 [ 2397.782191] [] ? path_init+0x93c/0x950 [ 2397.802418] [] path_lookupat+0x1dc/0x373 [ 2397.834067] [] filename_lookup+0x10a/0x1f3 [ 2397.857730] [] ? user_path_parent+0x5b/0x5b [ 2397.893069] [] ? getname_flags+0x4f/0x2e0 [ 2397.922366] [] user_path_at_empty+0x4c/0x55 [ 2397.942200] [] ? user_path_at_empty+0x4c/0x55 [ 2397.962322] [] do_mount+0x14e/0x19df [ 2397.979051] [] ? kasan_kmalloc+0x94/0xa3 [ 2397.998820] [] ? copy_mount_string+0x3d/0x3d [ 2398.020498] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2398.040380] [] ? __check_object_size+0x1e1/0x2b8 [ 2398.058635] [] ? 0xffffffffb1c002b8 [ 2398.073758] [] ? copy_mount_options+0x23d/0x24d [ 2398.095215] [] SyS_mount+0xa3/0xda [ 2398.112190] [] devtmpfs_mount+0x50/0x8d [ 2398.126652] [] prepare_namespace+0x1e0/0x235 [ 2398.145980] [] kernel_init_freeable+0x4fa/0x518 [ 2398.166824] [] kernel_init+0x16/0x181 [ 2398.185540] [] ret_from_fork+0x1f/0x40 [ 2398.203431] [] ? rest_init+0x8f/0x8f [ 2398.219727] ================================================================================ [ 2398.244886] ================================================================================ [ 2398.280542] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2041:2 [ 2398.305656] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2398.340923] which requires 64 byte alignment [ 2398.357666] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2398.386175] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2398.423881] 00000000ffffffff 00000000b1a89c60 ffff88005c9df3b8 ffffffffb26ec5cc [ 2398.449035] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2398.474429] 0000000000000010 ffff88005c9df3e0 ffff88005c9df390 ffffffffb363c3e0 [ 2398.500042] Call Trace: [ 2398.508327] [] dump_stack+0xd7/0x132 [ 2398.522423] [] ? arch_local_irq_restore+0x1b/0x1b [ 2398.543282] [] ubsan_epilogue+0x12/0x53 [ 2398.565208] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2398.588126] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2398.612804] [] ? arch_local_irq_restore+0x6/0xd [ 2398.630439] [] ext4_chksum+0x95/0x17a [ 2398.647842] [] ? ext4_valid_inum+0x125/0x125 [ 2398.665682] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2398.684755] [] ext4_dirent_csum_verify+0x16f/0x18e [ 2398.706940] [] ext4_find_entry+0xc9b/0x10af [ 2398.724449] [] ? ext4_search_dir+0x218/0x218 [ 2398.747318] [] ? __d_alloc+0x776/0x7bc [ 2398.769185] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2398.797617] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2398.823269] [] ? d_alloc_parallel+0x837/0x884 [ 2398.847445] [] ? is_ftrace_trampoline+0x146/0x153 [ 2398.875179] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2398.900247] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2398.924702] [] ext4_lookup+0x1c1/0x504 [ 2398.958875] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2398.978163] [] lookup_slow+0x271/0x2e1 [ 2398.996305] [] ? d_lookup_done+0x63/0x63 [ 2399.014153] [] walk_component+0x191/0x35a [ 2399.031523] [] ? handle_dots.part.12+0x973/0x973 [ 2399.050859] [] ? path_init+0x93c/0x950 [ 2399.067761] [] path_lookupat+0x1dc/0x373 [ 2399.082620] [] filename_lookup+0x10a/0x1f3 [ 2399.100684] [] ? user_path_parent+0x5b/0x5b [ 2399.119322] [] ? getname_flags+0x4f/0x2e0 [ 2399.137215] [] user_path_at_empty+0x4c/0x55 [ 2399.152196] [] ? user_path_at_empty+0x4c/0x55 [ 2399.172797] [] do_mount+0x14e/0x19df [ 2399.190383] [] ? kasan_kmalloc+0x94/0xa3 [ 2399.207410] [] ? copy_mount_string+0x3d/0x3d [ 2399.227464] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2399.245651] [] ? __check_object_size+0x1e1/0x2b8 [ 2399.266249] [] ? 0xffffffffb1c002b8 [ 2399.285999] [] ? copy_mount_options+0x23d/0x24d [ 2399.310872] [] SyS_mount+0xa3/0xda [ 2399.331791] [] devtmpfs_mount+0x50/0x8d [ 2399.351782] [] prepare_namespace+0x1e0/0x235 [ 2399.372513] [] kernel_init_freeable+0x4fa/0x518 [ 2399.399524] [] kernel_init+0x16/0x181 [ 2399.418927] [] ret_from_fork+0x1f/0x40 [ 2399.441784] [] ? rest_init+0x8f/0x8f [ 2399.461387] ================================================================================ [ 2399.496943] ================================================================================ [ 2399.537501] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2043:22 [ 2399.565689] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2399.596834] which requires 64 byte alignment [ 2399.608917] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2399.626891] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2399.654369] 00000000ffffffff 00000000b1a89c60 ffff88005c9df3b8 ffffffffb26ec5cc [ 2399.678682] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2399.703394] ffffffff00000010 ffff88005c9df3e0 ffff88005c9df390 ffffffffb363c3e0 [ 2399.726254] Call Trace: [ 2399.732973] [] dump_stack+0xd7/0x132 [ 2399.748746] [] ? arch_local_irq_restore+0x1b/0x1b [ 2399.769083] [] ubsan_epilogue+0x12/0x53 [ 2399.787776] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2399.807066] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2399.833459] [] ? arch_local_irq_restore+0x6/0xd [ 2399.858959] [] ext4_chksum+0xff/0x17a [ 2399.881183] [] ? ext4_valid_inum+0x125/0x125 [ 2399.905421] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2399.931256] [] ext4_dirent_csum_verify+0x16f/0x18e [ 2399.958660] [] ext4_find_entry+0xc9b/0x10af [ 2399.979742] [] ? ext4_search_dir+0x218/0x218 [ 2400.000432] [] ? __d_alloc+0x776/0x7bc [ 2400.029520] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2400.062866] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2400.085441] [] ? d_alloc_parallel+0x837/0x884 [ 2400.106742] [] ? is_ftrace_trampoline+0x146/0x153 [ 2400.125452] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2400.152137] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2400.175385] [] ext4_lookup+0x1c1/0x504 [ 2400.195419] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2400.215841] [] lookup_slow+0x271/0x2e1 [ 2400.231134] [] ? d_lookup_done+0x63/0x63 [ 2400.246620] [] walk_component+0x191/0x35a [ 2400.265042] [] ? handle_dots.part.12+0x973/0x973 [ 2400.286633] [] ? path_init+0x93c/0x950 [ 2400.301049] [] path_lookupat+0x1dc/0x373 [ 2400.318315] [] filename_lookup+0x10a/0x1f3 [ 2400.337626] [] ? user_path_parent+0x5b/0x5b [ 2400.357532] [] ? getname_flags+0x4f/0x2e0 [ 2400.374647] [] user_path_at_empty+0x4c/0x55 [ 2400.392050] [] ? user_path_at_empty+0x4c/0x55 [ 2400.408882] [] do_mount+0x14e/0x19df [ 2400.426897] [] ? kasan_kmalloc+0x94/0xa3 [ 2400.444633] [] ? copy_mount_string+0x3d/0x3d [ 2400.463081] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2400.480873] [] ? __check_object_size+0x1e1/0x2b8 [ 2400.499011] [] ? 0xffffffffb1c002b8 [ 2400.512188] [] ? copy_mount_options+0x23d/0x24d [ 2400.536048] [] SyS_mount+0xa3/0xda [ 2400.548463] [] devtmpfs_mount+0x50/0x8d [ 2400.568835] [] prepare_namespace+0x1e0/0x235 [ 2400.587762] [] kernel_init_freeable+0x4fa/0x518 [ 2400.609602] [] kernel_init+0x16/0x181 [ 2400.628926] [] ret_from_fork+0x1f/0x40 [ 2400.650203] [] ? rest_init+0x8f/0x8f [ 2400.674133] ================================================================================ [ 2400.703155] ================================================================================ [ 2400.740971] UBSAN: Undefined behaviour in fs/ext4/namei.c:1477:17 [ 2400.763242] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2400.798153] which requires 64 byte alignment [ 2400.815860] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2400.838138] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2400.871691] 00000000ffffffff 00000000b1a89c60 ffff88005c9df4a0 ffffffffb26ec5cc [ 2400.903181] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2400.933514] ffff880000000010 ffff88005c9df4c8 ffff88005c9df478 ffffffffb363c3e0 [ 2400.962787] Call Trace: [ 2400.970468] [] dump_stack+0xd7/0x132 [ 2400.985310] [] ? arch_local_irq_restore+0x1b/0x1b [ 2401.006584] [] ubsan_epilogue+0x12/0x53 [ 2401.021802] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2401.043490] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2401.065477] [] ? ext4_dirent_csum_verify+0x17f/0x18e [ 2401.084071] [] ext4_find_entry+0xd0c/0x10af [ 2401.104172] [] ? ext4_search_dir+0x218/0x218 [ 2401.121385] [] ? __d_alloc+0x776/0x7bc [ 2401.137987] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2401.162119] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2401.179571] [] ? d_alloc_parallel+0x837/0x884 [ 2401.198231] [] ? is_ftrace_trampoline+0x146/0x153 [ 2401.226372] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2401.248535] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2401.273626] [] ext4_lookup+0x1c1/0x504 [ 2401.294117] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2401.318419] [] lookup_slow+0x271/0x2e1 [ 2401.339384] [] ? d_lookup_done+0x63/0x63 [ 2401.362412] [] walk_component+0x191/0x35a [ 2401.385243] [] ? handle_dots.part.12+0x973/0x973 [ 2401.408220] [] ? path_init+0x93c/0x950 [ 2401.429836] [] path_lookupat+0x1dc/0x373 [ 2401.452658] [] filename_lookup+0x10a/0x1f3 [ 2401.474806] [] ? user_path_parent+0x5b/0x5b [ 2401.497104] [] ? getname_flags+0x4f/0x2e0 [ 2401.521113] [] user_path_at_empty+0x4c/0x55 [ 2401.541643] [] ? user_path_at_empty+0x4c/0x55 [ 2401.564940] [] do_mount+0x14e/0x19df [ 2401.587768] [] ? kasan_kmalloc+0x94/0xa3 [ 2401.606286] [] ? copy_mount_string+0x3d/0x3d [ 2401.637366] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2401.656691] [] ? __check_object_size+0x1e1/0x2b8 [ 2401.677378] [] ? 0xffffffffb1c002b8 [ 2401.696714] [] ? copy_mount_options+0x23d/0x24d [ 2401.716376] [] SyS_mount+0xa3/0xda [ 2401.731582] [] devtmpfs_mount+0x50/0x8d [ 2401.751457] [] prepare_namespace+0x1e0/0x235 [ 2401.775275] [] kernel_init_freeable+0x4fa/0x518 [ 2401.795267] [] kernel_init+0x16/0x181 [ 2401.809709] [] ret_from_fork+0x1f/0x40 [ 2401.824510] [] ? rest_init+0x8f/0x8f [ 2401.844341] ================================================================================ [ 2401.873229] ================================================================================ [ 2401.899923] UBSAN: Undefined behaviour in fs/ext4/namei.c:1160:50 [ 2401.918391] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2401.943439] which requires 64 byte alignment [ 2401.955725] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2401.971012] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2401.999299] 00000000ffffffff 00000000b1a89c60 ffff88005c9df4a0 ffffffffb26ec5cc [ 2402.022036] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2402.049897] ffff880000000010 ffff88005c9df4c8 ffff88005c9df478 ffffffffb363c3e0 [ 2402.076224] Call Trace: [ 2402.084786] [] dump_stack+0xd7/0x132 [ 2402.097984] [] ? arch_local_irq_restore+0x1b/0x1b [ 2402.117947] [] ubsan_epilogue+0x12/0x53 [ 2402.134971] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2402.154520] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2402.178233] [] ? ext4_dirent_csum_verify+0x17f/0x18e [ 2402.205018] [] ext4_find_entry+0xd9e/0x10af [ 2402.230565] [] ? ext4_search_dir+0x218/0x218 [ 2402.252025] [] ? __d_alloc+0x776/0x7bc [ 2402.271399] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2402.295444] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2402.321614] [] ? d_alloc_parallel+0x837/0x884 [ 2402.344881] [] ? is_ftrace_trampoline+0x146/0x153 [ 2402.369337] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2402.395799] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2402.421268] [] ext4_lookup+0x1c1/0x504 [ 2402.441644] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2402.465559] [] lookup_slow+0x271/0x2e1 [ 2402.513495] [] ? d_lookup_done+0x63/0x63 [ 2402.581516] [] walk_component+0x191/0x35a [ 2402.648043] [] ? handle_dots.part.12+0x973/0x973 [ 2402.725822] [] ? path_init+0x93c/0x950 [ 2402.828594] [] path_lookupat+0x1dc/0x373 [ 2402.892315] [] filename_lookup+0x10a/0x1f3 [ 2402.965608] [] ? user_path_parent+0x5b/0x5b [ 2402.984790] [] ? getname_flags+0x4f/0x2e0 [ 2403.000453] [] user_path_at_empty+0x4c/0x55 [ 2403.045327] [] ? user_path_at_empty+0x4c/0x55 [ 2403.088584] [] do_mount+0x14e/0x19df [ 2403.126911] [] ? kasan_kmalloc+0x94/0xa3 [ 2403.167592] [] ? copy_mount_string+0x3d/0x3d [ 2403.204010] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2403.228745] [] ? __check_object_size+0x1e1/0x2b8 [ 2403.267487] [] ? 0xffffffffb1c002b8 [ 2403.302241] [] ? copy_mount_options+0x23d/0x24d [ 2403.346318] [] SyS_mount+0xa3/0xda [ 2403.382644] [] devtmpfs_mount+0x50/0x8d [ 2403.408960] [] prepare_namespace+0x1e0/0x235 [ 2403.448292] [] kernel_init_freeable+0x4fa/0x518 [ 2403.484686] [] kernel_init+0x16/0x181 [ 2403.521972] [] ret_from_fork+0x1f/0x40 [ 2403.547234] [] ? rest_init+0x8f/0x8f [ 2403.582043] ================================================================================ [ 2403.629453] ================================================================================ [ 2403.657548] UBSAN: Undefined behaviour in fs/ext4/namei.c:1312:16 [ 2403.677373] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2403.704618] which requires 64 byte alignment [ 2403.718955] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2403.737216] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2403.773908] 00000000ffffffff 00000000b1a89c60 ffff88005c9df438 ffffffffb26ec5cc [ 2403.798184] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2403.824576] ffffed0000000010 ffff88005c9df460 ffff88005c9df410 ffffffffb363c3e0 [ 2403.852248] Call Trace: [ 2403.860971] [] dump_stack+0xd7/0x132 [ 2403.877390] [] ? arch_local_irq_restore+0x1b/0x1b [ 2403.898543] [] ubsan_epilogue+0x12/0x53 [ 2403.914037] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2403.938342] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2403.960644] [] ext4_search_dir+0x1b3/0x218 [ 2403.980577] [] ext4_find_entry+0xdfd/0x10af [ 2403.998398] [] ? ext4_search_dir+0x218/0x218 [ 2404.014791] [] ? __d_alloc+0x776/0x7bc [ 2404.029909] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2404.053058] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2404.074975] [] ? d_alloc_parallel+0x837/0x884 [ 2404.095402] [] ? is_ftrace_trampoline+0x146/0x153 [ 2404.117059] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2404.138731] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2404.158358] [] ext4_lookup+0x1c1/0x504 [ 2404.175570] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2404.206609] [] lookup_slow+0x271/0x2e1 [ 2404.223632] [] ? d_lookup_done+0x63/0x63 [ 2404.245018] [] walk_component+0x191/0x35a [ 2404.268825] [] ? handle_dots.part.12+0x973/0x973 [ 2404.293326] [] ? path_init+0x93c/0x950 [ 2404.311744] [] path_lookupat+0x1dc/0x373 [ 2404.337177] [] filename_lookup+0x10a/0x1f3 [ 2404.377420] [] ? user_path_parent+0x5b/0x5b [ 2404.419626] [] ? getname_flags+0x4f/0x2e0 [ 2404.452575] [] user_path_at_empty+0x4c/0x55 [ 2404.471115] [] ? user_path_at_empty+0x4c/0x55 [ 2404.492504] [] do_mount+0x14e/0x19df [ 2404.509850] [] ? kasan_kmalloc+0x94/0xa3 [ 2404.530937] [] ? copy_mount_string+0x3d/0x3d [ 2404.549883] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2404.625171] [] ? __check_object_size+0x1e1/0x2b8 [ 2404.668702] [] ? 0xffffffffb1c002b8 [ 2404.698204] [] ? copy_mount_options+0x23d/0x24d [ 2404.737708] [] SyS_mount+0xa3/0xda [ 2404.764594] [] devtmpfs_mount+0x50/0x8d [ 2404.795992] [] prepare_namespace+0x1e0/0x235 [ 2404.829838] [] kernel_init_freeable+0x4fa/0x518 [ 2404.856703] [] kernel_init+0x16/0x181 [ 2404.872732] [] ret_from_fork+0x1f/0x40 [ 2404.893448] [] ? rest_init+0x8f/0x8f [ 2404.908158] ================================================================================ [ 2404.935396] ================================================================================ [ 2404.963471] UBSAN: Undefined behaviour in fs/ext4/dir.c:68:16 [ 2404.980365] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2405.017058] which requires 64 byte alignment [ 2405.045504] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2405.083620] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2405.117808] 00000000ffffffff 00000000b1a89c60 ffff88005c9df3c8 ffffffffb26ec5cc [ 2405.142515] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2405.167916] 0000005000000010 ffff88005c9df3f0 ffff88005c9df3a0 ffffffffb363c3e0 [ 2405.204967] Call Trace: [ 2405.214650] [] dump_stack+0xd7/0x132 [ 2405.232677] [] ? arch_local_irq_restore+0x1b/0x1b [ 2405.255269] [] ubsan_epilogue+0x12/0x53 [ 2405.281636] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2405.321297] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2405.437569] [] __ext4_check_dir_entry+0x70/0x410 [ 2405.457834] [] ext4_search_dir+0x12f/0x218 [ 2405.476450] [] ext4_find_entry+0xdfd/0x10af [ 2405.493713] [] ? ext4_search_dir+0x218/0x218 [ 2405.510672] [] ? __d_alloc+0x776/0x7bc [ 2405.525989] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2405.549923] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2405.575684] [] ? d_alloc_parallel+0x837/0x884 [ 2405.598618] [] ? is_ftrace_trampoline+0x146/0x153 [ 2405.622708] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2405.641341] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2405.663934] [] ext4_lookup+0x1c1/0x504 [ 2405.684447] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2405.713783] [] lookup_slow+0x271/0x2e1 [ 2405.733700] [] ? d_lookup_done+0x63/0x63 [ 2405.757187] [] walk_component+0x191/0x35a [ 2405.780362] [] ? handle_dots.part.12+0x973/0x973 [ 2405.804648] [] ? path_init+0x93c/0x950 [ 2405.827499] [] path_lookupat+0x1dc/0x373 [ 2405.848241] [] filename_lookup+0x10a/0x1f3 [ 2405.869031] [] ? user_path_parent+0x5b/0x5b [ 2405.886540] [] ? getname_flags+0x4f/0x2e0 [ 2405.905220] [] user_path_at_empty+0x4c/0x55 [ 2405.927466] [] ? user_path_at_empty+0x4c/0x55 [ 2405.952340] [] do_mount+0x14e/0x19df [ 2405.972052] [] ? kasan_kmalloc+0x94/0xa3 [ 2405.995225] [] ? copy_mount_string+0x3d/0x3d [ 2406.019060] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2406.042902] [] ? __check_object_size+0x1e1/0x2b8 [ 2406.065480] [] ? 0xffffffffb1c002b8 [ 2406.083692] [] ? copy_mount_options+0x23d/0x24d [ 2406.109810] [] SyS_mount+0xa3/0xda [ 2406.129554] [] devtmpfs_mount+0x50/0x8d [ 2406.150827] [] prepare_namespace+0x1e0/0x235 [ 2406.170111] [] kernel_init_freeable+0x4fa/0x518 [ 2406.188514] [] kernel_init+0x16/0x181 [ 2406.202709] [] ret_from_fork+0x1f/0x40 [ 2406.222429] [] ? rest_init+0x8f/0x8f [ 2406.238870] ================================================================================ [ 2406.272171] ================================================================================ [ 2406.345978] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2406.407014] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2406.455375] which requires 64 byte alignment [ 2406.476760] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2406.504885] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2406.537540] 00000000ffffffff 00000000b1a89c60 ffff88005c9df3c8 ffffffffb26ec5cc [ 2406.563258] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2406.587468] ffffffff00000010 ffff88005c9df3f0 ffff88005c9df3a0 ffffffffb363c3e0 [ 2406.613830] Call Trace: [ 2406.620478] [] dump_stack+0xd7/0x132 [ 2406.638948] [] ? arch_local_irq_restore+0x1b/0x1b [ 2406.660320] [] ubsan_epilogue+0x12/0x53 [ 2406.675569] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2406.699920] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2406.724530] [] __ext4_check_dir_entry+0x1a4/0x410 [ 2406.746314] [] ext4_search_dir+0x12f/0x218 [ 2406.777781] [] ext4_find_entry+0xdfd/0x10af [ 2406.804181] [] ? ext4_search_dir+0x218/0x218 [ 2406.825833] [] ? __d_alloc+0x776/0x7bc [ 2406.844194] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2406.864699] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2406.886164] [] ? d_alloc_parallel+0x837/0x884 [ 2406.903567] [] ? is_ftrace_trampoline+0x146/0x153 [ 2406.923317] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2406.942038] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2406.960472] [] ext4_lookup+0x1c1/0x504 [ 2406.976776] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2406.994512] [] lookup_slow+0x271/0x2e1 [ 2407.011627] [] ? d_lookup_done+0x63/0x63 [ 2407.029476] [] walk_component+0x191/0x35a [ 2407.047145] [] ? handle_dots.part.12+0x973/0x973 [ 2407.065579] [] ? path_init+0x93c/0x950 [ 2407.083781] [] path_lookupat+0x1dc/0x373 [ 2407.102874] [] filename_lookup+0x10a/0x1f3 [ 2407.122777] [] ? user_path_parent+0x5b/0x5b [ 2407.141286] [] ? getname_flags+0x4f/0x2e0 [ 2407.161323] [] user_path_at_empty+0x4c/0x55 [ 2407.178508] [] ? user_path_at_empty+0x4c/0x55 [ 2407.199693] [] do_mount+0x14e/0x19df [ 2407.216460] [] ? kasan_kmalloc+0x94/0xa3 [ 2407.235528] [] ? copy_mount_string+0x3d/0x3d [ 2407.254776] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2407.273390] [] ? __check_object_size+0x1e1/0x2b8 [ 2407.292751] [] ? 0xffffffffb1c002b8 [ 2407.310420] [] ? copy_mount_options+0x23d/0x24d [ 2407.327871] [] SyS_mount+0xa3/0xda [ 2407.345747] [] devtmpfs_mount+0x50/0x8d [ 2407.363587] [] prepare_namespace+0x1e0/0x235 [ 2407.381064] [] kernel_init_freeable+0x4fa/0x518 [ 2407.401972] [] kernel_init+0x16/0x181 [ 2407.427493] [] ret_from_fork+0x1f/0x40 [ 2407.446346] [] ? rest_init+0x8f/0x8f [ 2407.462947] ================================================================================ [ 2407.487503] ================================================================================ [ 2407.512888] UBSAN: Undefined behaviour in fs/ext4/dir.c:78:11 [ 2407.529404] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2407.555639] which requires 64 byte alignment [ 2407.567595] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2407.587599] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2407.615552] 00000000ffffffff 00000000b1a89c60 ffff88005c9df3c8 ffffffffb26ec5cc [ 2407.639612] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2407.662316] ffffffff00000010 ffff88005c9df3f0 ffff88005c9df3a0 ffffffffb363c3e0 [ 2407.685239] Call Trace: [ 2407.693698] [] dump_stack+0xd7/0x132 [ 2407.708730] [] ? arch_local_irq_restore+0x1b/0x1b [ 2407.728013] [] ubsan_epilogue+0x12/0x53 [ 2407.745590] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2407.767808] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2407.789894] [] __ext4_check_dir_entry+0x1d3/0x410 [ 2407.809943] [] ext4_search_dir+0x12f/0x218 [ 2407.826877] [] ext4_find_entry+0xdfd/0x10af [ 2407.851162] [] ? ext4_search_dir+0x218/0x218 [ 2407.875166] [] ? __d_alloc+0x776/0x7bc [ 2407.894452] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2407.921020] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2407.947297] [] ? d_alloc_parallel+0x837/0x884 [ 2407.970306] [] ? is_ftrace_trampoline+0x146/0x153 [ 2407.990654] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2408.014437] [] ? lockref_get_not_dead+0x1c8/0x201 [ 2408.038674] [] ext4_lookup+0x1c1/0x504 [ 2408.058047] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2408.085137] [] lookup_slow+0x271/0x2e1 [ 2408.104157] [] ? d_lookup_done+0x63/0x63 [ 2408.123214] [] walk_component+0x191/0x35a [ 2408.146922] [] ? handle_dots.part.12+0x973/0x973 [ 2408.172431] [] ? path_init+0x93c/0x950 [ 2408.194130] [] path_lookupat+0x1dc/0x373 [ 2408.216164] [] filename_lookup+0x10a/0x1f3 [ 2408.239492] [] ? user_path_parent+0x5b/0x5b [ 2408.262340] [] ? getname_flags+0x4f/0x2e0 [ 2408.285952] [] user_path_at_empty+0x4c/0x55 [ 2408.307996] [] ? user_path_at_empty+0x4c/0x55 [ 2408.329739] [] do_mount+0x14e/0x19df [ 2408.348697] [] ? kasan_kmalloc+0x94/0xa3 [ 2408.371453] [] ? copy_mount_string+0x3d/0x3d [ 2408.395417] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2408.423766] [] ? __check_object_size+0x1e1/0x2b8 [ 2408.445322] [] ? 0xffffffffb1c002b8 [ 2408.466237] [] ? copy_mount_options+0x23d/0x24d [ 2408.488782] [] SyS_mount+0xa3/0xda [ 2408.506496] [] devtmpfs_mount+0x50/0x8d [ 2408.522348] [] prepare_namespace+0x1e0/0x235 [ 2408.539515] [] kernel_init_freeable+0x4fa/0x518 [ 2408.560391] [] kernel_init+0x16/0x181 [ 2408.574822] [] ret_from_fork+0x1f/0x40 [ 2408.595466] [] ? rest_init+0x8f/0x8f [ 2408.610482] ================================================================================ [ 2408.633627] ================================================================================ [ 2408.657585] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2408.674426] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2408.703342] which requires 64 byte alignment [ 2408.717666] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2408.735404] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2408.763876] 00000000ffffffff 00000000b1a89c60 ffff88005c9df768 ffffffffb26ec5cc [ 2408.787472] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2408.810780] 0000000000000010 ffff88005c9df790 ffff88005c9df740 ffffffffb363c3e0 [ 2408.840468] Call Trace: [ 2408.850545] [] dump_stack+0xd7/0x132 [ 2408.871637] [] ? arch_local_irq_restore+0x1b/0x1b [ 2408.895015] [] ubsan_epilogue+0x12/0x53 [ 2408.913392] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2408.940864] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2408.963720] [] ext4_valid_inum+0x51/0x125 [ 2408.981224] [] ext4_lookup+0x24c/0x504 [ 2408.999663] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2409.018697] [] lookup_slow+0x271/0x2e1 [ 2409.033467] [] ? d_lookup_done+0x63/0x63 [ 2409.057480] [] walk_component+0x191/0x35a [ 2409.079039] [] ? handle_dots.part.12+0x973/0x973 [ 2409.098717] [] ? path_init+0x93c/0x950 [ 2409.115447] [] path_lookupat+0x1dc/0x373 [ 2409.136145] [] filename_lookup+0x10a/0x1f3 [ 2409.155148] [] ? user_path_parent+0x5b/0x5b [ 2409.175298] [] ? getname_flags+0x4f/0x2e0 [ 2409.194786] [] user_path_at_empty+0x4c/0x55 [ 2409.212251] [] ? user_path_at_empty+0x4c/0x55 [ 2409.228633] [] do_mount+0x14e/0x19df [ 2409.244410] [] ? kasan_kmalloc+0x94/0xa3 [ 2409.262197] [] ? copy_mount_string+0x3d/0x3d [ 2409.281291] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2409.299383] [] ? __check_object_size+0x1e1/0x2b8 [ 2409.317957] [] ? 0xffffffffb1c002b8 [ 2409.332222] [] ? copy_mount_options+0x23d/0x24d [ 2409.351832] [] SyS_mount+0xa3/0xda [ 2409.366059] [] devtmpfs_mount+0x50/0x8d [ 2409.386683] [] prepare_namespace+0x1e0/0x235 [ 2409.406209] [] kernel_init_freeable+0x4fa/0x518 [ 2409.423927] [] kernel_init+0x16/0x181 [ 2409.439231] [] ret_from_fork+0x1f/0x40 [ 2409.457051] [] ? rest_init+0x8f/0x8f [ 2409.471322] ================================================================================ [ 2409.500684] ================================================================================ [ 2409.534726] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1541:11 [ 2409.553603] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2409.593010] which requires 64 byte alignment [ 2409.613182] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2409.635292] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2409.668646] 00000000ffffffff 00000000b1a89c60 ffff88005c9df768 ffffffffb26ec5cc [ 2409.699294] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2409.726640] ffffffff00000010 ffff88005c9df790 ffff88005c9df740 ffffffffb363c3e0 [ 2409.757860] Call Trace: [ 2409.766765] [] dump_stack+0xd7/0x132 [ 2409.787822] [] ? arch_local_irq_restore+0x1b/0x1b [ 2409.807740] [] ubsan_epilogue+0x12/0x53 [ 2409.827665] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2409.845962] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2409.869275] [] ext4_valid_inum+0x7f/0x125 [ 2409.885642] [] ext4_lookup+0x24c/0x504 [ 2409.899800] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2409.917584] [] lookup_slow+0x271/0x2e1 [ 2409.936908] [] ? d_lookup_done+0x63/0x63 [ 2409.953163] [] walk_component+0x191/0x35a [ 2409.971287] [] ? handle_dots.part.12+0x973/0x973 [ 2409.991812] [] ? path_init+0x93c/0x950 [ 2410.007862] [] path_lookupat+0x1dc/0x373 [ 2410.023543] [] filename_lookup+0x10a/0x1f3 [ 2410.041089] [] ? user_path_parent+0x5b/0x5b [ 2410.059763] [] ? getname_flags+0x4f/0x2e0 [ 2410.077076] [] user_path_at_empty+0x4c/0x55 [ 2410.096935] [] ? user_path_at_empty+0x4c/0x55 [ 2410.116608] [] do_mount+0x14e/0x19df [ 2410.131511] [] ? kasan_kmalloc+0x94/0xa3 [ 2410.147067] [] ? copy_mount_string+0x3d/0x3d [ 2410.167144] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2410.188912] [] ? __check_object_size+0x1e1/0x2b8 [ 2410.215145] [] ? 0xffffffffb1c002b8 [ 2410.248085] [] ? copy_mount_options+0x23d/0x24d [ 2410.281362] [] SyS_mount+0xa3/0xda [ 2410.304871] [] devtmpfs_mount+0x50/0x8d [ 2410.321761] [] prepare_namespace+0x1e0/0x235 [ 2410.340294] [] kernel_init_freeable+0x4fa/0x518 [ 2410.360638] [] kernel_init+0x16/0x181 [ 2410.375636] [] ret_from_fork+0x1f/0x40 [ 2410.392560] [] ? rest_init+0x8f/0x8f [ 2410.410140] ================================================================================ [ 2410.437631] ================================================================================ [ 2410.463872] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2410.484298] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2410.514279] which requires 64 byte alignment [ 2410.525787] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2410.546250] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2410.577201] 00000000ffffffff 00000000b1a89c60 ffff88005c9df768 ffffffffb26ec5cc [ 2410.603162] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2410.626439] ffffffff00000010 ffff88005c9df790 ffff88005c9df740 ffffffffb363c3e0 [ 2410.653014] Call Trace: [ 2410.661600] [] dump_stack+0xd7/0x132 [ 2410.677194] [] ? arch_local_irq_restore+0x1b/0x1b [ 2410.697859] [] ubsan_epilogue+0x12/0x53 [ 2410.714930] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2410.736425] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2410.760122] [] ext4_valid_inum+0xb9/0x125 [ 2410.785171] [] ext4_lookup+0x24c/0x504 [ 2410.807876] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2410.842072] [] lookup_slow+0x271/0x2e1 [ 2410.875447] [] ? d_lookup_done+0x63/0x63 [ 2410.896183] [] walk_component+0x191/0x35a [ 2410.918398] [] ? handle_dots.part.12+0x973/0x973 [ 2410.943081] [] ? path_init+0x93c/0x950 [ 2410.961258] [] path_lookupat+0x1dc/0x373 [ 2410.980243] [] filename_lookup+0x10a/0x1f3 [ 2411.000785] [] ? user_path_parent+0x5b/0x5b [ 2411.017745] [] ? getname_flags+0x4f/0x2e0 [ 2411.036642] [] user_path_at_empty+0x4c/0x55 [ 2411.056987] [] ? user_path_at_empty+0x4c/0x55 [ 2411.076786] [] do_mount+0x14e/0x19df [ 2411.094083] [] ? kasan_kmalloc+0x94/0xa3 [ 2411.112310] [] ? copy_mount_string+0x3d/0x3d [ 2411.132397] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2411.150974] [] ? __check_object_size+0x1e1/0x2b8 [ 2411.171838] [] ? 0xffffffffb1c002b8 [ 2411.187274] [] ? copy_mount_options+0x23d/0x24d [ 2411.204881] [] SyS_mount+0xa3/0xda [ 2411.221156] [] devtmpfs_mount+0x50/0x8d [ 2411.237432] [] prepare_namespace+0x1e0/0x235 [ 2411.255222] [] kernel_init_freeable+0x4fa/0x518 [ 2411.273700] [] kernel_init+0x16/0x181 [ 2411.290937] [] ret_from_fork+0x1f/0x40 [ 2411.304846] [] ? rest_init+0x8f/0x8f [ 2411.322927] ================================================================================ [ 2411.346638] ================================================================================ [ 2411.372890] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1542:11 [ 2411.389038] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2411.417448] which requires 64 byte alignment [ 2411.429283] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2411.445858] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2411.474679] 00000000ffffffff 00000000b1a89c60 ffff88005c9df768 ffffffffb26ec5cc [ 2411.497671] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2411.520004] ffffffff00000010 ffff88005c9df790 ffff88005c9df740 ffffffffb363c3e0 [ 2411.544186] Call Trace: [ 2411.552125] [] dump_stack+0xd7/0x132 [ 2411.567877] [] ? arch_local_irq_restore+0x1b/0x1b [ 2411.587892] [] ubsan_epilogue+0x12/0x53 [ 2411.602663] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2411.624892] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2411.647491] [] ext4_valid_inum+0xd2/0x125 [ 2411.665829] [] ext4_lookup+0x24c/0x504 [ 2411.681345] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2411.701816] [] lookup_slow+0x271/0x2e1 [ 2411.716456] [] ? d_lookup_done+0x63/0x63 [ 2411.734519] [] walk_component+0x191/0x35a [ 2411.758119] [] ? handle_dots.part.12+0x973/0x973 [ 2411.778529] [] ? path_init+0x93c/0x950 [ 2411.803038] [] path_lookupat+0x1dc/0x373 [ 2411.824491] [] filename_lookup+0x10a/0x1f3 [ 2411.843896] [] ? user_path_parent+0x5b/0x5b [ 2411.868252] [] ? getname_flags+0x4f/0x2e0 [ 2411.889852] [] user_path_at_empty+0x4c/0x55 [ 2411.911589] [] ? user_path_at_empty+0x4c/0x55 [ 2411.934973] [] do_mount+0x14e/0x19df [ 2411.954534] [] ? kasan_kmalloc+0x94/0xa3 [ 2411.975421] [] ? copy_mount_string+0x3d/0x3d [ 2411.999030] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2412.022656] [] ? __check_object_size+0x1e1/0x2b8 [ 2412.046570] [] ? 0xffffffffb1c002b8 [ 2412.064936] [] ? copy_mount_options+0x23d/0x24d [ 2412.091509] [] SyS_mount+0xa3/0xda [ 2412.108629] [] devtmpfs_mount+0x50/0x8d [ 2412.130371] [] prepare_namespace+0x1e0/0x235 [ 2412.151758] [] kernel_init_freeable+0x4fa/0x518 [ 2412.177457] [] kernel_init+0x16/0x181 [ 2412.196210] [] ret_from_fork+0x1f/0x40 [ 2412.218644] [] ? rest_init+0x8f/0x8f [ 2412.239914] ================================================================================ [ 2412.273737] ================================================================================ [ 2412.301110] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2412.322932] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2412.360112] which requires 64 byte alignment [ 2412.376337] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2412.403496] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2412.441204] 00000000ffffffff 00000000b1a89c60 ffff88005c9df768 ffffffffb26ec5cc [ 2412.467262] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2412.497511] ffffffff00000010 ffff88005c9df790 ffff88005c9df740 ffffffffb363c3e0 [ 2412.528602] Call Trace: [ 2412.538165] [] dump_stack+0xd7/0x132 [ 2412.559033] [] ? arch_local_irq_restore+0x1b/0x1b [ 2412.581963] [] ubsan_epilogue+0x12/0x53 [ 2412.603584] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2412.628136] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2412.658476] [] ext4_iget_normal+0x33/0xac [ 2412.678060] [] ? ext4_lookup+0x29c/0x504 [ 2412.700085] [] ext4_lookup+0x2fc/0x504 [ 2412.720740] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2412.743481] [] lookup_slow+0x271/0x2e1 [ 2412.765807] [] ? d_lookup_done+0x63/0x63 [ 2412.787850] [] walk_component+0x191/0x35a [ 2412.807301] [] ? handle_dots.part.12+0x973/0x973 [ 2412.824628] [] ? path_init+0x93c/0x950 [ 2412.840245] [] path_lookupat+0x1dc/0x373 [ 2412.858860] [] filename_lookup+0x10a/0x1f3 [ 2412.875446] [] ? user_path_parent+0x5b/0x5b [ 2412.901453] [] ? getname_flags+0x4f/0x2e0 [ 2412.921093] [] user_path_at_empty+0x4c/0x55 [ 2412.939185] [] ? user_path_at_empty+0x4c/0x55 [ 2412.960314] [] do_mount+0x14e/0x19df [ 2412.975290] [] ? kasan_kmalloc+0x94/0xa3 [ 2412.993649] [] ? copy_mount_string+0x3d/0x3d [ 2413.011892] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2413.029619] [] ? __check_object_size+0x1e1/0x2b8 [ 2413.048563] [] ? 0xffffffffb1c002b8 [ 2413.063955] [] ? copy_mount_options+0x23d/0x24d [ 2413.082578] [] SyS_mount+0xa3/0xda [ 2413.099208] [] devtmpfs_mount+0x50/0x8d [ 2413.114445] [] prepare_namespace+0x1e0/0x235 [ 2413.131642] [] kernel_init_freeable+0x4fa/0x518 [ 2413.149984] [] kernel_init+0x16/0x181 [ 2413.167115] [] ret_from_fork+0x1f/0x40 [ 2413.185294] [] ? rest_init+0x8f/0x8f [ 2413.201490] ================================================================================ [ 2413.227045] ================================================================================ [ 2413.257585] UBSAN: Undefined behaviour in fs/ext4/inode.c:4679:12 [ 2413.275546] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2413.305897] which requires 64 byte alignment [ 2413.320597] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2413.343377] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2413.380933] 00000000ffffffff 00000000b1a89c60 ffff88005c9df768 ffffffffb26ec5cc [ 2413.408829] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2413.437782] ffffffff00000010 ffff88005c9df790 ffff88005c9df740 ffffffffb363c3e0 [ 2413.467613] Call Trace: [ 2413.477106] [] dump_stack+0xd7/0x132 [ 2413.495623] [] ? arch_local_irq_restore+0x1b/0x1b [ 2413.518084] [] ubsan_epilogue+0x12/0x53 [ 2413.539722] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2413.565325] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2413.592434] [] ext4_iget_normal+0x60/0xac [ 2413.613802] [] ? ext4_lookup+0x29c/0x504 [ 2413.634619] [] ext4_lookup+0x2fc/0x504 [ 2413.655186] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2413.677888] [] lookup_slow+0x271/0x2e1 [ 2413.701112] [] ? d_lookup_done+0x63/0x63 [ 2413.720880] [] walk_component+0x191/0x35a [ 2413.744885] [] ? handle_dots.part.12+0x973/0x973 [ 2413.767393] [] ? path_init+0x93c/0x950 [ 2413.790738] [] path_lookupat+0x1dc/0x373 [ 2413.811260] [] filename_lookup+0x10a/0x1f3 [ 2413.835540] [] ? user_path_parent+0x5b/0x5b [ 2413.857941] [] ? getname_flags+0x4f/0x2e0 [ 2413.878404] [] user_path_at_empty+0x4c/0x55 [ 2413.901788] [] ? user_path_at_empty+0x4c/0x55 [ 2413.926157] [] do_mount+0x14e/0x19df [ 2413.943400] [] ? kasan_kmalloc+0x94/0xa3 [ 2413.960057] [] ? copy_mount_string+0x3d/0x3d [ 2413.976944] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2413.996185] [] ? __check_object_size+0x1e1/0x2b8 [ 2414.014216] [] ? 0xffffffffb1c002b8 [ 2414.026769] [] ? copy_mount_options+0x23d/0x24d [ 2414.047396] [] SyS_mount+0xa3/0xda [ 2414.062339] [] devtmpfs_mount+0x50/0x8d [ 2414.076773] [] prepare_namespace+0x1e0/0x235 [ 2414.093258] [] kernel_init_freeable+0x4fa/0x518 [ 2414.113048] [] kernel_init+0x16/0x181 [ 2414.126384] [] ret_from_fork+0x1f/0x40 [ 2414.142228] [] ? rest_init+0x8f/0x8f [ 2414.161559] ================================================================================ [ 2414.191675] ================================================================================ [ 2414.216227] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2414.235315] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2414.261316] which requires 64 byte alignment [ 2414.271465] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2414.286828] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2414.318623] 00000000ffffffff 00000000b1a89c60 ffff88005c9df500 ffffffffb26ec5cc [ 2414.343268] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2414.366101] 0000000000000010 ffff88005c9df528 ffff88005c9df4d8 ffffffffb363c3e0 [ 2414.388493] Call Trace: [ 2414.395461] [] dump_stack+0xd7/0x132 [ 2414.409591] [] ? arch_local_irq_restore+0x1b/0x1b [ 2414.426017] [] ubsan_epilogue+0x12/0x53 [ 2414.441170] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2414.459415] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2414.483143] [] ? __list_add+0x211/0x249 [ 2414.498733] [] ? inode_init_always+0x91e/0x95d [ 2414.518025] [] __ext4_get_inode_loc+0xfc/0xd50 [ 2414.537405] [] ? queued_spin_unlock+0xe/0x1b [ 2414.555028] [] ext4_iget+0x1ab/0x2717 [ 2414.570027] [] ? vprintk_default+0x65/0x6e [ 2414.586685] [] ? ext4_get_projid+0x137/0x137 [ 2414.602743] [] ? ubsan_epilogue+0x26/0x53 [ 2414.618789] [] ? arch_local_irq_restore+0x6/0xd [ 2414.640328] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2414.659375] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2414.680517] [] ext4_iget_normal+0x97/0xac [ 2414.696786] [] ? ext4_lookup+0x29c/0x504 [ 2414.713336] [] ext4_lookup+0x2fc/0x504 [ 2414.727794] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2414.744709] [] lookup_slow+0x271/0x2e1 [ 2414.761208] [] ? d_lookup_done+0x63/0x63 [ 2414.778296] [] walk_component+0x191/0x35a [ 2414.796455] [] ? handle_dots.part.12+0x973/0x973 [ 2414.814980] [] ? path_init+0x93c/0x950 [ 2414.830798] [] path_lookupat+0x1dc/0x373 [ 2414.845506] [] filename_lookup+0x10a/0x1f3 [ 2414.862635] [] ? user_path_parent+0x5b/0x5b [ 2414.881928] [] ? getname_flags+0x4f/0x2e0 [ 2414.898357] [] user_path_at_empty+0x4c/0x55 [ 2414.914278] [] ? user_path_at_empty+0x4c/0x55 [ 2414.933087] [] do_mount+0x14e/0x19df [ 2414.946781] [] ? kasan_kmalloc+0x94/0xa3 [ 2414.963023] [] ? copy_mount_string+0x3d/0x3d [ 2414.981496] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2414.997789] [] ? __check_object_size+0x1e1/0x2b8 [ 2415.019195] [] ? 0xffffffffb1c002b8 [ 2415.035716] [] ? copy_mount_options+0x23d/0x24d [ 2415.052638] [] SyS_mount+0xa3/0xda [ 2415.069308] [] devtmpfs_mount+0x50/0x8d [ 2415.085845] [] prepare_namespace+0x1e0/0x235 [ 2415.102477] [] kernel_init_freeable+0x4fa/0x518 [ 2415.119741] [] kernel_init+0x16/0x181 [ 2415.135662] [] ret_from_fork+0x1f/0x40 [ 2415.152078] [] ? rest_init+0x8f/0x8f [ 2415.165738] ================================================================================ [ 2415.193212] ================================================================================ [ 2415.216612] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1541:11 [ 2415.233262] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2415.258580] which requires 64 byte alignment [ 2415.270112] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2415.286802] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2415.316828] 00000000ffffffff 00000000b1a89c60 ffff88005c9df500 ffffffffb26ec5cc [ 2415.339872] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2415.361434] ffff880000000010 ffff88005c9df528 ffff88005c9df4d8 ffffffffb363c3e0 [ 2415.383132] Call Trace: [ 2415.389260] [] dump_stack+0xd7/0x132 [ 2415.403858] [] ? arch_local_irq_restore+0x1b/0x1b [ 2415.419852] [] ubsan_epilogue+0x12/0x53 [ 2415.436319] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2415.457203] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2415.480924] [] ? __list_add+0x211/0x249 [ 2415.494897] [] ? inode_init_always+0x91e/0x95d [ 2415.513750] [] __ext4_get_inode_loc+0x129/0xd50 [ 2415.535185] [] ? queued_spin_unlock+0xe/0x1b [ 2415.551815] [] ext4_iget+0x1ab/0x2717 [ 2415.567528] [] ? vprintk_default+0x65/0x6e [ 2415.585375] [] ? ext4_get_projid+0x137/0x137 [ 2415.602310] [] ? ubsan_epilogue+0x26/0x53 [ 2415.622521] [] ? arch_local_irq_restore+0x6/0xd [ 2415.640406] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2415.660304] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2415.683575] [] ext4_iget_normal+0x97/0xac [ 2415.702294] [] ? ext4_lookup+0x29c/0x504 [ 2415.717928] [] ext4_lookup+0x2fc/0x504 [ 2415.737933] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2415.758052] [] lookup_slow+0x271/0x2e1 [ 2415.772327] [] ? d_lookup_done+0x63/0x63 [ 2415.788621] [] walk_component+0x191/0x35a [ 2415.805701] [] ? handle_dots.part.12+0x973/0x973 [ 2415.823525] [] ? path_init+0x93c/0x950 [ 2415.842088] [] path_lookupat+0x1dc/0x373 [ 2415.858217] [] filename_lookup+0x10a/0x1f3 [ 2415.875041] [] ? user_path_parent+0x5b/0x5b [ 2415.895381] [] ? getname_flags+0x4f/0x2e0 [ 2415.914579] [] user_path_at_empty+0x4c/0x55 [ 2415.932123] [] ? user_path_at_empty+0x4c/0x55 [ 2415.948053] [] do_mount+0x14e/0x19df [ 2415.964032] [] ? kasan_kmalloc+0x94/0xa3 [ 2415.981282] [] ? copy_mount_string+0x3d/0x3d [ 2416.001656] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2416.017945] [] ? __check_object_size+0x1e1/0x2b8 [ 2416.037631] [] ? 0xffffffffb1c002b8 [ 2416.054496] [] ? copy_mount_options+0x23d/0x24d [ 2416.072788] [] SyS_mount+0xa3/0xda [ 2416.084939] [] devtmpfs_mount+0x50/0x8d [ 2416.103185] [] prepare_namespace+0x1e0/0x235 [ 2416.118170] [] kernel_init_freeable+0x4fa/0x518 [ 2416.134651] [] kernel_init+0x16/0x181 [ 2416.149763] [] ret_from_fork+0x1f/0x40 [ 2416.164302] [] ? rest_init+0x8f/0x8f [ 2416.180721] ================================================================================ [ 2416.204692] ================================================================================ [ 2416.233365] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2416.249083] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2416.274689] which requires 64 byte alignment [ 2416.287579] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2416.305909] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2416.335331] 00000000ffffffff 00000000b1a89c60 ffff88005c9df500 ffffffffb26ec5cc [ 2416.357688] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2416.379729] ffff880000000010 ffff88005c9df528 ffff88005c9df4d8 ffffffffb363c3e0 [ 2416.400168] Call Trace: [ 2416.407067] [] dump_stack+0xd7/0x132 [ 2416.422841] [] ? arch_local_irq_restore+0x1b/0x1b [ 2416.440772] [] ubsan_epilogue+0x12/0x53 [ 2416.456214] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2416.479613] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2416.501980] [] ? __list_add+0x211/0x249 [ 2416.518163] [] ? inode_init_always+0x91e/0x95d [ 2416.537068] [] __ext4_get_inode_loc+0x16a/0xd50 [ 2416.552839] [] ? queued_spin_unlock+0xe/0x1b [ 2416.568427] [] ext4_iget+0x1ab/0x2717 [ 2416.584712] [] ? vprintk_default+0x65/0x6e [ 2416.601238] [] ? ext4_get_projid+0x137/0x137 [ 2416.618194] [] ? ubsan_epilogue+0x26/0x53 [ 2416.634683] [] ? arch_local_irq_restore+0x6/0xd [ 2416.652296] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2416.670740] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2416.692404] [] ext4_iget_normal+0x97/0xac [ 2416.708776] [] ? ext4_lookup+0x29c/0x504 [ 2416.725097] [] ext4_lookup+0x2fc/0x504 [ 2416.741368] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2416.758214] [] lookup_slow+0x271/0x2e1 [ 2416.773312] [] ? d_lookup_done+0x63/0x63 [ 2416.791784] [] walk_component+0x191/0x35a [ 2416.808175] [] ? handle_dots.part.12+0x973/0x973 [ 2416.829508] [] ? path_init+0x93c/0x950 [ 2416.845590] [] path_lookupat+0x1dc/0x373 [ 2416.860873] [] filename_lookup+0x10a/0x1f3 [ 2416.878087] [] ? user_path_parent+0x5b/0x5b [ 2416.897372] [] ? getname_flags+0x4f/0x2e0 [ 2416.912535] [] user_path_at_empty+0x4c/0x55 [ 2416.928652] [] ? user_path_at_empty+0x4c/0x55 [ 2416.944720] [] do_mount+0x14e/0x19df [ 2416.959631] [] ? kasan_kmalloc+0x94/0xa3 [ 2416.974603] [] ? copy_mount_string+0x3d/0x3d [ 2416.993282] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2417.011438] [] ? __check_object_size+0x1e1/0x2b8 [ 2417.032067] [] ? 0xffffffffb1c002b8 [ 2417.045080] [] ? copy_mount_options+0x23d/0x24d [ 2417.064306] [] SyS_mount+0xa3/0xda [ 2417.078939] [] devtmpfs_mount+0x50/0x8d [ 2417.092211] [] prepare_namespace+0x1e0/0x235 [ 2417.109609] [] kernel_init_freeable+0x4fa/0x518 [ 2417.127702] [] kernel_init+0x16/0x181 [ 2417.140793] [] ret_from_fork+0x1f/0x40 [ 2417.155689] [] ? rest_init+0x8f/0x8f [ 2417.170742] ================================================================================ [ 2417.195168] ================================================================================ [ 2417.219365] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1542:11 [ 2417.235500] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2417.261221] which requires 64 byte alignment [ 2417.274680] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2417.291898] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2417.323903] 00000000ffffffff 00000000b1a89c60 ffff88005c9df500 ffffffffb26ec5cc [ 2417.346987] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2417.371344] ffff880000000010 ffff88005c9df528 ffff88005c9df4d8 ffffffffb363c3e0 [ 2417.390687] Call Trace: [ 2417.398281] [] dump_stack+0xd7/0x132 [ 2417.414951] [] ? arch_local_irq_restore+0x1b/0x1b [ 2417.434874] [] ubsan_epilogue+0x12/0x53 [ 2417.449970] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2417.467745] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2417.490237] [] ? __list_add+0x211/0x249 [ 2417.504647] [] ? inode_init_always+0x91e/0x95d [ 2417.519273] [] __ext4_get_inode_loc+0x184/0xd50 [ 2417.537521] [] ? queued_spin_unlock+0xe/0x1b [ 2417.555026] [] ext4_iget+0x1ab/0x2717 [ 2417.570067] [] ? vprintk_default+0x65/0x6e [ 2417.590354] [] ? ext4_get_projid+0x137/0x137 [ 2417.607220] [] ? ubsan_epilogue+0x26/0x53 [ 2417.624991] [] ? arch_local_irq_restore+0x6/0xd [ 2417.642563] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2417.660296] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2417.682399] [] ext4_iget_normal+0x97/0xac [ 2417.696957] [] ? ext4_lookup+0x29c/0x504 [ 2417.714720] [] ext4_lookup+0x2fc/0x504 [ 2417.732648] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2417.748651] [] lookup_slow+0x271/0x2e1 [ 2417.763770] [] ? d_lookup_done+0x63/0x63 [ 2417.781407] [] walk_component+0x191/0x35a [ 2417.799505] [] ? handle_dots.part.12+0x973/0x973 [ 2417.817574] [] ? path_init+0x93c/0x950 [ 2417.832759] [] path_lookupat+0x1dc/0x373 [ 2417.847692] [] filename_lookup+0x10a/0x1f3 [ 2417.866173] [] ? user_path_parent+0x5b/0x5b [ 2417.886665] [] ? getname_flags+0x4f/0x2e0 [ 2417.901013] [] user_path_at_empty+0x4c/0x55 [ 2417.920437] [] ? user_path_at_empty+0x4c/0x55 [ 2417.937446] [] do_mount+0x14e/0x19df [ 2417.952177] [] ? kasan_kmalloc+0x94/0xa3 [ 2417.967782] [] ? copy_mount_string+0x3d/0x3d [ 2417.987734] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2418.005163] [] ? __check_object_size+0x1e1/0x2b8 [ 2418.024294] [] ? 0xffffffffb1c002b8 [ 2418.039920] [] ? copy_mount_options+0x23d/0x24d [ 2418.057707] [] SyS_mount+0xa3/0xda [ 2418.072929] [] devtmpfs_mount+0x50/0x8d [ 2418.086474] [] prepare_namespace+0x1e0/0x235 [ 2418.105385] [] kernel_init_freeable+0x4fa/0x518 [ 2418.124145] [] kernel_init+0x16/0x181 [ 2418.140519] [] ret_from_fork+0x1f/0x40 [ 2418.157180] [] ? rest_init+0x8f/0x8f [ 2418.173343] ================================================================================ [ 2418.219280] ================================================================================ [ 2418.240154] UBSAN: Undefined behaviour in fs/super.c:804:14 [ 2418.257435] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 2418.283625] which requires 64 byte alignment [ 2418.297299] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2418.315239] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2418.342991] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfae8 ffffffffb26ec5cc [ 2418.366082] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2418.390470] 0000000000000010 ffff88005c9dfb10 ffff88005c9dfac0 ffffffffb363c3e0 [ 2418.424963] Call Trace: [ 2418.437917] [] dump_stack+0xd7/0x132 [ 2418.457333] [] ? arch_local_irq_restore+0x1b/0x1b [ 2418.481872] [] ubsan_epilogue+0x12/0x53 [ 2418.504302] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2418.530869] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2418.558574] [] ? shmem_parse_options+0x92d/0x92d [ 2418.584926] [] do_remount_sb+0x2d5/0x50c [ 2418.605841] [] ? shmem_remount_fs+0x448/0x448 [ 2418.632173] [] mount_single+0x124/0x176 [ 2418.651526] [] dev_mount+0x33/0x38 [ 2418.671321] [] mount_fs+0xd0/0x2ca [ 2418.688796] [] vfs_kern_mount+0xa0/0x20a [ 2418.711653] [] do_mount+0x11fe/0x19df [ 2418.731146] [] ? kasan_kmalloc+0x94/0xa3 [ 2418.754281] [] ? copy_mount_string+0x3d/0x3d [ 2418.774495] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2418.792279] [] ? __check_object_size+0x1e1/0x2b8 [ 2418.810484] [] ? 0xffffffffb1c002b8 [ 2418.826057] [] ? copy_mount_options+0x23d/0x24d [ 2418.843000] [] SyS_mount+0xa3/0xda [ 2418.858497] [] devtmpfs_mount+0x50/0x8d [ 2418.875301] [] prepare_namespace+0x1e0/0x235 [ 2418.892658] [] kernel_init_freeable+0x4fa/0x518 [ 2418.908848] [] kernel_init+0x16/0x181 [ 2418.923358] [] ret_from_fork+0x1f/0x40 [ 2418.938400] [] ? rest_init+0x8f/0x8f [ 2418.954538] ================================================================================ [ 2418.981393] ================================================================================ [ 2419.007101] UBSAN: Undefined behaviour in mm/shmem.c:133:11 [ 2419.027256] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 2419.055152] which requires 64 byte alignment [ 2419.067517] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2419.085284] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2419.114434] 00000000ffffffff 00000000b1a89c60 ffff88005c9df978 ffffffffb26ec5cc [ 2419.138086] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2419.170164] ffff880000000010 ffff88005c9df9a0 ffff88005c9df950 ffffffffb363c3e0 [ 2419.201078] Call Trace: [ 2419.210831] [] dump_stack+0xd7/0x132 [ 2419.232380] [] ? arch_local_irq_restore+0x1b/0x1b [ 2419.255796] [] ubsan_epilogue+0x12/0x53 [ 2419.276849] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2419.304117] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2419.328160] [] ? shmem_parse_options+0x92d/0x92d [ 2419.354238] [] shmem_remount_fs+0xa1/0x448 [ 2419.376124] [] ? shmem_parse_options+0x92d/0x92d [ 2419.401024] [] ? ubsan_epilogue+0x26/0x53 [ 2419.422830] [] ? arch_local_irq_restore+0x6/0xd [ 2419.445478] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2419.474184] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2419.503295] [] ? shmem_parse_options+0x92d/0x92d [ 2419.523139] [] do_remount_sb+0x2fd/0x50c [ 2419.545547] [] ? shmem_remount_fs+0x448/0x448 [ 2419.567919] [] mount_single+0x124/0x176 [ 2419.586322] [] dev_mount+0x33/0x38 [ 2419.605458] [] mount_fs+0xd0/0x2ca [ 2419.627766] [] vfs_kern_mount+0xa0/0x20a [ 2419.645169] [] do_mount+0x11fe/0x19df [ 2419.667718] [] ? kasan_kmalloc+0x94/0xa3 [ 2419.689222] [] ? copy_mount_string+0x3d/0x3d [ 2419.714194] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2419.737534] [] ? __check_object_size+0x1e1/0x2b8 [ 2419.761215] [] ? 0xffffffffb1c002b8 [ 2419.781476] [] ? copy_mount_options+0x23d/0x24d [ 2419.803630] [] SyS_mount+0xa3/0xda [ 2419.824945] [] devtmpfs_mount+0x50/0x8d [ 2419.845316] [] prepare_namespace+0x1e0/0x235 [ 2419.871388] [] kernel_init_freeable+0x4fa/0x518 [ 2419.895943] [] kernel_init+0x16/0x181 [ 2419.914348] [] ret_from_fork+0x1f/0x40 [ 2419.933051] [] ? rest_init+0x8f/0x8f [ 2419.948413] ================================================================================ [ 2419.976735] devtmpfs: mounted [ 2420.015609] Freeing unused kernel memory: 2144K (ffffffffb77dd000 - ffffffffb79f5000) [ 2420.042054] Kernel memory protection disabled. [ 2420.128095] ================================================================================ [ 2420.158908] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2420.179073] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2420.210615] which requires 64 byte alignment [ 2420.223106] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2420.241728] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2420.270668] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5a8 ffffffffb26ec5cc [ 2420.294052] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2420.317354] 0000000000000010 ffff88005c9df5d0 ffff88005c9df580 ffffffffb363c3e0 [ 2420.365444] Call Trace: [ 2420.373002] [] dump_stack+0xd7/0x132 [ 2420.386479] [] ? arch_local_irq_restore+0x1b/0x1b [ 2420.409945] [] ubsan_epilogue+0x12/0x53 [ 2420.425213] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2420.448791] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2420.470303] [] ? __ext4_ext_check+0x88c/0x89e [ 2420.487239] [] ext4_inode_journal_mode+0x116/0x319 [ 2420.506019] [] ext4_set_aops+0x22/0x1d8 [ 2420.524151] [] ext4_iget+0x226b/0x2717 [ 2420.538838] [] ? ext4_get_projid+0x137/0x137 [ 2420.556386] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2420.579423] [] ext4_iget_normal+0x97/0xac [ 2420.597186] [] ? ext4_lookup+0x29c/0x504 [ 2420.614787] [] ext4_lookup+0x2fc/0x504 [ 2420.631187] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2420.651452] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2420.670944] [] path_openat+0x16b5/0x2525 [ 2420.691712] [] ? kexec_crash_size_store+0xda/0xdc [ 2420.712653] [] ? may_open+0x1c0/0x1c0 [ 2420.730692] [] ? init_object+0x1d6/0x1e2 [ 2420.750783] [] ? aa_alloc_task_context+0x45/0x6b [ 2420.774893] [] ? ___slab_alloc+0xb72/0xbd2 [ 2420.798485] [] ? ___slab_alloc+0xb72/0xbd2 [ 2420.819219] [] ? aa_alloc_task_context+0x45/0x6b [ 2420.843042] [] ? kasan_poison_shadow+0x2f/0x31 [ 2420.869097] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2420.895238] [] do_filp_open+0xe2/0x18c [ 2420.913824] [] ? path_openat+0x2525/0x2525 [ 2420.941860] [] ? aa_get_label+0x98/0xa0 [ 2420.961313] [] do_open_execat+0xff/0x371 [ 2420.984304] [] ? do_open_execat+0xff/0x371 [ 2421.005065] [] ? fsnotify_open+0xd3/0xd3 [ 2421.021464] [] do_execveat_common.isra.23+0x6c5/0x1582 [ 2421.041573] [] ? prepare_bprm_creds+0x11f/0x11f [ 2421.059641] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2421.079373] [] ? kmem_cache_alloc+0x20f/0x33f [ 2421.098178] [] ? getname_kernel+0x41/0x1e3 [ 2421.115274] [] do_execve+0x37/0x40 [ 2421.134363] [] run_init_process+0x39/0x3b [ 2421.149329] [] try_to_run_init_process+0x1c/0x48 [ 2421.173704] [] kernel_init+0x11c/0x181 [ 2421.193458] [] ret_from_fork+0x1f/0x40 [ 2421.221383] [] ? rest_init+0x8f/0x8f [ 2421.246413] ================================================================================ [ 2421.279997] ================================================================================ [ 2421.306585] UBSAN: Undefined behaviour in fs/ext4/ext4_jbd2.h:417:6 [ 2421.326109] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2421.361388] which requires 64 byte alignment [ 2421.375789] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2421.394655] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2421.429965] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5a8 ffffffffb26ec5cc [ 2421.457220] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2421.481005] ffffffff00000010 ffff88005c9df5d0 ffff88005c9df580 ffffffffb363c3e0 [ 2421.507092] Call Trace: [ 2421.514560] [] dump_stack+0xd7/0x132 [ 2421.533840] [] ? arch_local_irq_restore+0x1b/0x1b [ 2421.555897] [] ubsan_epilogue+0x12/0x53 [ 2421.575116] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2421.597765] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2421.621813] [] ? __ext4_ext_check+0x88c/0x89e [ 2421.640588] [] ext4_inode_journal_mode+0x130/0x319 [ 2421.661737] [] ext4_set_aops+0x22/0x1d8 [ 2421.679865] [] ext4_iget+0x226b/0x2717 [ 2421.698732] [] ? ext4_get_projid+0x137/0x137 [ 2421.717106] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2421.739505] [] ext4_iget_normal+0x97/0xac [ 2421.756151] [] ? ext4_lookup+0x29c/0x504 [ 2421.773741] [] ext4_lookup+0x2fc/0x504 [ 2421.788307] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2421.807689] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2421.828333] [] path_openat+0x16b5/0x2525 [ 2421.844694] [] ? kexec_crash_size_store+0xda/0xdc [ 2421.862940] [] ? may_open+0x1c0/0x1c0 [ 2421.883506] [] ? init_object+0x1d6/0x1e2 [ 2421.902916] [] ? aa_alloc_task_context+0x45/0x6b [ 2421.920732] [] ? ___slab_alloc+0xb72/0xbd2 [ 2421.939267] [] ? ___slab_alloc+0xb72/0xbd2 [ 2421.958178] [] ? aa_alloc_task_context+0x45/0x6b [ 2421.977741] [] ? kasan_poison_shadow+0x2f/0x31 [ 2421.998009] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2422.019948] [] do_filp_open+0xe2/0x18c [ 2422.039346] [] ? path_openat+0x2525/0x2525 [ 2422.056174] [] ? aa_get_label+0x98/0xa0 [ 2422.072001] [] do_open_execat+0xff/0x371 [ 2422.088388] [] ? do_open_execat+0xff/0x371 [ 2422.106090] [] ? fsnotify_open+0xd3/0xd3 [ 2422.126414] [] do_execveat_common.isra.23+0x6c5/0x1582 [ 2422.147681] [] ? prepare_bprm_creds+0x11f/0x11f [ 2422.167875] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2422.187520] [] ? kmem_cache_alloc+0x20f/0x33f [ 2422.206121] [] ? getname_kernel+0x41/0x1e3 [ 2422.224015] [] do_execve+0x37/0x40 [ 2422.239645] [] run_init_process+0x39/0x3b [ 2422.256614] [] try_to_run_init_process+0x1c/0x48 [ 2422.277114] [] kernel_init+0x11c/0x181 [ 2422.296146] [] ret_from_fork+0x1f/0x40 [ 2422.318315] [] ? rest_init+0x8f/0x8f [ 2422.338508] ================================================================================ [ 2422.373726] ================================================================================ [ 2422.406883] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2422.431739] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2422.470154] which requires 64 byte alignment [ 2422.487237] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2422.515470] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2422.552010] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5a8 ffffffffb26ec5cc [ 2422.581490] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2422.610717] ffffffff00000010 ffff88005c9df5d0 ffff88005c9df580 ffffffffb363c3e0 [ 2422.639366] Call Trace: [ 2422.650781] [] dump_stack+0xd7/0x132 [ 2422.668297] [] ? arch_local_irq_restore+0x1b/0x1b [ 2422.694426] [] ubsan_epilogue+0x12/0x53 [ 2422.714544] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2422.738828] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2422.763543] [] ? __ext4_ext_check+0x88c/0x89e [ 2422.784191] [] ext4_inode_journal_mode+0x1a9/0x319 [ 2422.805342] [] ext4_set_aops+0x22/0x1d8 [ 2422.828026] [] ext4_iget+0x226b/0x2717 [ 2422.847162] [] ? ext4_get_projid+0x137/0x137 [ 2422.867601] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2422.965526] [] ext4_iget_normal+0x97/0xac [ 2423.001590] [] ? ext4_lookup+0x29c/0x504 [ 2423.090198] [] ext4_lookup+0x2fc/0x504 [ 2423.110154] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2423.132865] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2423.163072] [] path_openat+0x16b5/0x2525 [ 2423.182460] [] ? kexec_crash_size_store+0xda/0xdc [ 2423.207161] [] ? may_open+0x1c0/0x1c0 [ 2423.227514] [] ? init_object+0x1d6/0x1e2 [ 2423.245827] [] ? aa_alloc_task_context+0x45/0x6b [ 2423.268179] [] ? ___slab_alloc+0xb72/0xbd2 [ 2423.292625] [] ? ___slab_alloc+0xb72/0xbd2 [ 2423.309518] [] ? aa_alloc_task_context+0x45/0x6b [ 2423.330590] [] ? kasan_poison_shadow+0x2f/0x31 [ 2423.354515] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2423.374902] [] do_filp_open+0xe2/0x18c [ 2423.391257] [] ? path_openat+0x2525/0x2525 [ 2423.411429] [] ? aa_get_label+0x98/0xa0 [ 2423.429280] [] do_open_execat+0xff/0x371 [ 2423.448617] [] ? do_open_execat+0xff/0x371 [ 2423.468159] [] ? fsnotify_open+0xd3/0xd3 [ 2423.493074] [] do_execveat_common.isra.23+0x6c5/0x1582 [ 2423.514355] [] ? prepare_bprm_creds+0x11f/0x11f [ 2423.536776] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2423.559723] [] ? kmem_cache_alloc+0x20f/0x33f [ 2423.579467] [] ? getname_kernel+0x41/0x1e3 [ 2423.600279] [] do_execve+0x37/0x40 [ 2423.615138] [] run_init_process+0x39/0x3b [ 2423.654906] [] try_to_run_init_process+0x1c/0x48 [ 2423.676087] [] kernel_init+0x11c/0x181 [ 2423.691265] [] ret_from_fork+0x1f/0x40 [ 2423.710750] [] ? rest_init+0x8f/0x8f [ 2423.729489] ================================================================================ [ 2423.756162] ================================================================================ [ 2423.784296] UBSAN: Undefined behaviour in fs/ext4/ext4_jbd2.h:422:6 [ 2423.802904] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2423.829652] which requires 64 byte alignment [ 2423.843233] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2423.863007] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2423.897346] 00000000ffffffff 00000000b1a89c60 ffff88005c9df5a8 ffffffffb26ec5cc [ 2423.920777] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2423.945315] ffffffff00000010 ffff88005c9df5d0 ffff88005c9df580 ffffffffb363c3e0 [ 2423.969621] Call Trace: [ 2423.982370] [] dump_stack+0xd7/0x132 [ 2424.002268] [] ? arch_local_irq_restore+0x1b/0x1b [ 2424.024336] [] ubsan_epilogue+0x12/0x53 [ 2424.043426] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2424.065762] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2424.085328] [] ? __ext4_ext_check+0x88c/0x89e [ 2424.103329] [] ext4_inode_journal_mode+0x1d6/0x319 [ 2424.121398] [] ext4_set_aops+0x22/0x1d8 [ 2424.139646] [] ext4_iget+0x226b/0x2717 [ 2424.162228] [] ? ext4_get_projid+0x137/0x137 [ 2424.183655] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2424.208624] [] ext4_iget_normal+0x97/0xac [ 2424.227714] [] ? ext4_lookup+0x29c/0x504 [ 2424.245157] [] ext4_lookup+0x2fc/0x504 [ 2424.261871] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2424.283596] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2424.302604] [] path_openat+0x16b5/0x2525 [ 2424.324982] [] ? kexec_crash_size_store+0xda/0xdc [ 2424.369715] [] ? may_open+0x1c0/0x1c0 [ 2424.415235] [] ? init_object+0x1d6/0x1e2 [ 2424.477130] [] ? aa_alloc_task_context+0x45/0x6b [ 2424.497732] [] ? ___slab_alloc+0xb72/0xbd2 [ 2424.520121] [] ? ___slab_alloc+0xb72/0xbd2 [ 2424.546088] [] ? aa_alloc_task_context+0x45/0x6b [ 2424.577539] [] ? kasan_poison_shadow+0x2f/0x31 [ 2424.602704] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2424.620908] [] do_filp_open+0xe2/0x18c [ 2424.636404] [] ? path_openat+0x2525/0x2525 [ 2424.651252] [] ? aa_get_label+0x98/0xa0 [ 2424.671208] [] do_open_execat+0xff/0x371 [ 2424.687641] [] ? do_open_execat+0xff/0x371 [ 2424.705099] [] ? fsnotify_open+0xd3/0xd3 [ 2424.725095] [] do_execveat_common.isra.23+0x6c5/0x1582 [ 2424.744968] [] ? prepare_bprm_creds+0x11f/0x11f [ 2424.761653] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2424.782197] [] ? kmem_cache_alloc+0x20f/0x33f [ 2424.800669] [] ? getname_kernel+0x41/0x1e3 [ 2424.818624] [] do_execve+0x37/0x40 [ 2424.841098] [] run_init_process+0x39/0x3b [ 2424.860840] [] try_to_run_init_process+0x1c/0x48 [ 2424.884179] [] kernel_init+0x11c/0x181 [ 2424.902476] [] ret_from_fork+0x1f/0x40 [ 2424.929961] [] ? rest_init+0x8f/0x8f [ 2424.964013] ================================================================================ [ 2425.010674] ================================================================================ [ 2425.058344] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2425.081141] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2425.109375] which requires 64 byte alignment [ 2425.124315] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2425.141866] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2425.170070] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6e0 ffffffffb26ec5cc [ 2425.195156] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2425.220636] ffff880000000010 ffff88005c9df708 ffff88005c9df6b8 ffffffffb363c3e0 [ 2425.245759] Call Trace: [ 2425.254437] [] dump_stack+0xd7/0x132 [ 2425.296773] [] ? arch_local_irq_restore+0x1b/0x1b [ 2425.316687] [] ubsan_epilogue+0x12/0x53 [ 2425.332779] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2425.355487] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2425.377557] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2425.424668] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 2425.488723] [] ext4_file_open+0xf5/0x6e3 [ 2425.558706] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 2425.619290] [] ? __fsnotify_parent+0x229/0x238 [ 2425.688829] [] ? break_lease+0xf3/0x102 [ 2425.743821] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 2425.792449] [] do_dentry_open+0x775/0xa9a [ 2425.825689] [] vfs_open+0x1a5/0x1be [ 2425.871229] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2425.925706] [] path_openat+0x1f94/0x2525 [ 2425.960744] [] ? kexec_crash_size_store+0xda/0xdc [ 2426.013587] [] ? may_open+0x1c0/0x1c0 [ 2426.075077] [] ? init_object+0x1d6/0x1e2 [ 2426.107427] [] ? aa_alloc_task_context+0x45/0x6b [ 2426.158348] [] ? ___slab_alloc+0xb72/0xbd2 [ 2426.201781] [] ? aa_alloc_task_context+0x45/0x6b [ 2426.241539] [] ? kasan_poison_shadow+0x2f/0x31 [ 2426.269709] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2426.289439] [] do_filp_open+0xe2/0x18c [ 2426.306502] [] ? path_openat+0x2525/0x2525 [ 2426.323878] [] ? aa_get_label+0x98/0xa0 [ 2426.340308] [] do_open_execat+0xff/0x371 [ 2426.357338] [] ? do_open_execat+0xff/0x371 [ 2426.372187] [] ? fsnotify_open+0xd3/0xd3 [ 2426.388769] [] do_execveat_common.isra.23+0x6c5/0x1582 [ 2426.410728] [] ? prepare_bprm_creds+0x11f/0x11f [ 2426.431672] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2426.453303] [] ? kmem_cache_alloc+0x20f/0x33f [ 2426.469548] [] ? getname_kernel+0x41/0x1e3 [ 2426.487932] [] do_execve+0x37/0x40 [ 2426.504859] [] run_init_process+0x39/0x3b [ 2426.526720] [] try_to_run_init_process+0x1c/0x48 [ 2426.562762] [] kernel_init+0x11c/0x181 [ 2426.583083] [] ret_from_fork+0x1f/0x40 [ 2426.607429] [] ? rest_init+0x8f/0x8f [ 2426.629665] ================================================================================ [ 2426.664221] ================================================================================ [ 2426.697391] UBSAN: Undefined behaviour in fs/ext4/file.c:332:6 [ 2426.720950] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2426.756269] which requires 64 byte alignment [ 2426.771840] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2426.793683] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2426.826152] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6e0 ffffffffb26ec5cc [ 2426.851099] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2426.879748] ffff880000000010 ffff88005c9df708 ffff88005c9df6b8 ffffffffb363c3e0 [ 2426.908270] Call Trace: [ 2426.916217] [] dump_stack+0xd7/0x132 [ 2426.936152] [] ? arch_local_irq_restore+0x1b/0x1b [ 2426.969230] [] ubsan_epilogue+0x12/0x53 [ 2426.994945] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2427.024472] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2427.044648] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2427.069297] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 2427.117933] [] ext4_file_open+0x150/0x6e3 [ 2427.188728] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 2427.280301] [] ? __fsnotify_parent+0x229/0x238 [ 2427.333532] [] ? break_lease+0xf3/0x102 [ 2427.364645] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 2427.401153] [] do_dentry_open+0x775/0xa9a [ 2427.428052] [] vfs_open+0x1a5/0x1be [ 2427.452419] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2427.476180] [] path_openat+0x1f94/0x2525 [ 2427.504395] [] ? kexec_crash_size_store+0xda/0xdc [ 2427.525243] [] ? may_open+0x1c0/0x1c0 [ 2427.554791] [] ? init_object+0x1d6/0x1e2 [ 2427.570367] [] ? aa_alloc_task_context+0x45/0x6b [ 2427.597911] [] ? ___slab_alloc+0xb72/0xbd2 [ 2427.629569] [] ? aa_alloc_task_context+0x45/0x6b [ 2427.662956] [] ? kasan_poison_shadow+0x2f/0x31 [ 2427.695886] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2427.728425] [] do_filp_open+0xe2/0x18c [ 2427.760865] [] ? path_openat+0x2525/0x2525 [ 2427.788009] [] ? aa_get_label+0x98/0xa0 [ 2427.813518] [] do_open_execat+0xff/0x371 [ 2427.845080] [] ? do_open_execat+0xff/0x371 [ 2427.874874] [] ? fsnotify_open+0xd3/0xd3 [ 2427.899684] [] do_execveat_common.isra.23+0x6c5/0x1582 [ 2427.926898] [] ? prepare_bprm_creds+0x11f/0x11f [ 2427.948082] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2427.971004] [] ? kmem_cache_alloc+0x20f/0x33f [ 2428.024381] [] ? getname_kernel+0x41/0x1e3 [ 2428.113316] [] do_execve+0x37/0x40 [ 2428.154537] [] run_init_process+0x39/0x3b [ 2428.178880] [] try_to_run_init_process+0x1c/0x48 [ 2428.223280] [] kernel_init+0x11c/0x181 [ 2428.254039] [] ret_from_fork+0x1f/0x40 [ 2428.277448] [] ? rest_init+0x8f/0x8f [ 2428.292460] ================================================================================ [ 2428.324705] ================================================================================ [ 2428.361747] UBSAN: Undefined behaviour in fs/ext4/file.c:332:6 [ 2428.384168] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2428.411054] which requires 64 byte alignment [ 2428.430215] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2428.450988] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2428.483313] 00000000ffffffff 00000000b1a89c60 ffff88005c9df6e0 ffffffffb26ec5cc [ 2428.508728] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2428.532328] ffff880000000010 ffff88005c9df708 ffff88005c9df6b8 ffffffffb363c3e0 [ 2428.557457] Call Trace: [ 2428.563715] [] dump_stack+0xd7/0x132 [ 2428.586084] [] ? arch_local_irq_restore+0x1b/0x1b [ 2428.618714] [] ubsan_epilogue+0x12/0x53 [ 2428.651916] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2428.680717] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2428.708144] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2428.733327] [] ext4_file_open+0x18e/0x6e3 [ 2428.769952] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 2428.799049] [] ? __fsnotify_parent+0x229/0x238 [ 2428.837889] [] ? break_lease+0xf3/0x102 [ 2428.866612] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 2428.902669] [] do_dentry_open+0x775/0xa9a [ 2428.931532] [] vfs_open+0x1a5/0x1be [ 2428.958651] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2428.981836] [] path_openat+0x1f94/0x2525 [ 2429.002864] [] ? kexec_crash_size_store+0xda/0xdc [ 2429.023535] [] ? may_open+0x1c0/0x1c0 [ 2429.042425] [] ? init_object+0x1d6/0x1e2 [ 2429.068105] [] ? aa_alloc_task_context+0x45/0x6b [ 2429.089103] [] ? ___slab_alloc+0xb72/0xbd2 [ 2429.110589] [] ? aa_alloc_task_context+0x45/0x6b [ 2429.132461] [] ? kasan_poison_shadow+0x2f/0x31 [ 2429.153271] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2429.174220] [] do_filp_open+0xe2/0x18c [ 2429.197013] [] ? path_openat+0x2525/0x2525 [ 2429.212892] [] ? aa_get_label+0x98/0xa0 [ 2429.234511] [] do_open_execat+0xff/0x371 [ 2429.257168] [] ? do_open_execat+0xff/0x371 [ 2429.280803] [] ? fsnotify_open+0xd3/0xd3 [ 2429.312835] [] do_execveat_common.isra.23+0x6c5/0x1582 [ 2429.346079] [] ? prepare_bprm_creds+0x11f/0x11f [ 2429.387597] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2429.422475] [] ? kmem_cache_alloc+0x20f/0x33f [ 2429.453037] [] ? getname_kernel+0x41/0x1e3 [ 2429.480907] [] do_execve+0x37/0x40 [ 2429.508156] [] run_init_process+0x39/0x3b [ 2429.539227] [] try_to_run_init_process+0x1c/0x48 [ 2429.574264] [] kernel_init+0x11c/0x181 [ 2429.598172] [] ret_from_fork+0x1f/0x40 [ 2429.621643] [] ? rest_init+0x8f/0x8f [ 2429.636531] ================================================================================ [ 2429.666533] ================================================================================ [ 2429.699288] UBSAN: Undefined behaviour in fs/exec.c:107:27 [ 2429.719263] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2429.751181] which requires 64 byte alignment [ 2429.764742] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2429.786807] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2429.821118] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc20 ffffffffb26ec5cc [ 2429.850296] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2429.888884] ffff880000000010 ffff88005c9dfc48 ffff88005c9dfbf8 ffffffffb363c3e0 [ 2429.929228] Call Trace: [ 2429.942706] [] dump_stack+0xd7/0x132 [ 2429.970117] [] ? arch_local_irq_restore+0x1b/0x1b [ 2430.006205] [] ubsan_epilogue+0x12/0x53 [ 2430.036843] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2430.071429] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2430.099847] [] path_noexec+0xc8/0xee [ 2430.119195] [] do_open_execat+0x17b/0x371 [ 2430.137802] [] ? fsnotify_open+0xd3/0xd3 [ 2430.159357] [] do_execveat_common.isra.23+0x6c5/0x1582 [ 2430.186274] [] ? prepare_bprm_creds+0x11f/0x11f [ 2430.206561] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2430.226567] [] ? kmem_cache_alloc+0x20f/0x33f [ 2430.248198] [] ? getname_kernel+0x41/0x1e3 [ 2430.265755] [] do_execve+0x37/0x40 [ 2430.283573] [] run_init_process+0x39/0x3b [ 2430.305527] [] try_to_run_init_process+0x1c/0x48 [ 2430.334785] [] kernel_init+0x11c/0x181 [ 2430.357554] [] ret_from_fork+0x1f/0x40 [ 2430.375626] [] ? rest_init+0x8f/0x8f [ 2430.395965] ================================================================================ [ 2430.433661] ================================================================================ [ 2430.464199] UBSAN: Undefined behaviour in fs/namespace.c:3343:38 [ 2430.484718] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2430.519645] which requires 64 byte alignment [ 2430.533267] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2430.564276] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2430.661494] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc68 ffffffffb26ec5cc [ 2430.707430] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2430.764663] 0000000000000010 ffff88005c9dfc90 ffff88005c9dfc40 ffffffffb363c3e0 [ 2430.792034] Call Trace: [ 2430.804306] [] dump_stack+0xd7/0x132 [ 2430.824571] [] ? arch_local_irq_restore+0x1b/0x1b [ 2430.850016] [] ubsan_epilogue+0x12/0x53 [ 2430.869396] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2430.889847] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2430.921800] [] mnt_may_suid+0x94/0xbc [ 2430.939073] [] path_nosuid+0x43/0xd4 [ 2430.958471] [] prepare_binprm+0x1b1/0x615 [ 2430.980627] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 2431.005404] [] do_execveat_common.isra.23+0xe72/0x1582 [ 2431.028177] [] ? prepare_bprm_creds+0x11f/0x11f [ 2431.046528] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2431.073197] [] ? getname_kernel+0x41/0x1e3 [ 2431.095447] [] do_execve+0x37/0x40 [ 2431.123928] [] run_init_process+0x39/0x3b [ 2431.148261] [] try_to_run_init_process+0x1c/0x48 [ 2431.188180] [] kernel_init+0x11c/0x181 [ 2431.218409] [] ret_from_fork+0x1f/0x40 [ 2431.257406] [] ? rest_init+0x8f/0x8f [ 2431.281648] ================================================================================ [ 2431.328573] ================================================================================ [ 2431.370103] UBSAN: Undefined behaviour in fs/exec.c:114:27 [ 2431.394556] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2431.442291] which requires 64 byte alignment [ 2431.457772] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2431.479208] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2431.520305] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc80 ffffffffb26ec5cc [ 2431.555863] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2431.580456] 0000000000000010 ffff88005c9dfca8 ffff88005c9dfc58 ffffffffb363c3e0 [ 2431.608059] Call Trace: [ 2431.616661] [] dump_stack+0xd7/0x132 [ 2431.640603] [] ? arch_local_irq_restore+0x1b/0x1b [ 2431.664490] [] ubsan_epilogue+0x12/0x53 [ 2431.682316] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2431.708212] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2431.734518] [] path_nosuid+0xaf/0xd4 [ 2431.754854] [] prepare_binprm+0x1b1/0x615 [ 2431.777269] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 2431.798200] [] do_execveat_common.isra.23+0xe72/0x1582 [ 2431.820068] [] ? prepare_bprm_creds+0x11f/0x11f [ 2431.842191] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2431.864550] [] ? getname_kernel+0x41/0x1e3 [ 2431.888210] [] do_execve+0x37/0x40 [ 2431.906080] [] run_init_process+0x39/0x3b [ 2431.926439] [] try_to_run_init_process+0x1c/0x48 [ 2431.947262] [] kernel_init+0x11c/0x181 [ 2431.965599] [] ret_from_fork+0x1f/0x40 [ 2431.984393] [] ? rest_init+0x8f/0x8f [ 2432.004088] ================================================================================ [ 2432.031770] ================================================================================ [ 2432.059007] UBSAN: Undefined behaviour in security/commoncap.c:464:55 [ 2432.080909] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2432.115060] which requires 64 byte alignment [ 2432.131216] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2432.159207] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2432.194838] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb30 ffffffffb26ec5cc [ 2432.225989] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2432.256675] 0000000000000010 ffff88005c9dfb58 ffff88005c9dfb08 ffffffffb363c3e0 [ 2432.281967] Call Trace: [ 2432.291174] [] dump_stack+0xd7/0x132 [ 2432.313842] [] ? arch_local_irq_restore+0x1b/0x1b [ 2432.346129] [] ubsan_epilogue+0x12/0x53 [ 2432.365110] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2432.391832] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2432.419517] [] cap_bprm_set_creds+0x68b/0x107f [ 2432.440153] [] ? get_vfs_caps_from_disk+0x3c9/0x3c9 [ 2432.460983] [] ? arch_local_irq_restore+0x6/0xd [ 2432.481284] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2432.507240] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2432.531327] [] security_bprm_set_creds+0x5c/0xa0 [ 2432.553021] [] ? prepare_binprm+0x278/0x615 [ 2432.575512] [] prepare_binprm+0x582/0x615 [ 2432.595890] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 2432.617489] [] do_execveat_common.isra.23+0xe72/0x1582 [ 2432.645912] [] ? prepare_bprm_creds+0x11f/0x11f [ 2432.670460] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2432.697474] [] ? getname_kernel+0x41/0x1e3 [ 2432.715575] [] do_execve+0x37/0x40 [ 2432.736019] [] run_init_process+0x39/0x3b [ 2432.756271] [] try_to_run_init_process+0x1c/0x48 [ 2432.777482] [] kernel_init+0x11c/0x181 [ 2432.792982] [] ret_from_fork+0x1f/0x40 [ 2432.812652] [] ? rest_init+0x8f/0x8f [ 2432.829461] ================================================================================ [ 2432.859907] ================================================================================ [ 2432.887887] UBSAN: Undefined behaviour in fs/xattr.c:731:12 [ 2432.907508] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2432.939188] which requires 64 byte alignment [ 2432.954145] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2432.973456] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2433.010261] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa48 ffffffffb26ec5cc [ 2433.037181] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2433.060770] 0000000000000010 ffff88005c9dfa70 ffff88005c9dfa20 ffffffffb363c3e0 [ 2433.085030] Call Trace: [ 2433.094844] [] dump_stack+0xd7/0x132 [ 2433.111699] [] ? arch_local_irq_restore+0x1b/0x1b [ 2433.136040] [] ubsan_epilogue+0x12/0x53 [ 2433.158844] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2433.186133] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2433.228846] [] ? ubsan_epilogue+0x26/0x53 [ 2433.258924] [] generic_getxattr+0x6b/0xed [ 2433.279755] [] get_vfs_caps_from_disk+0x180/0x3c9 [ 2433.301426] [] ? vfs_getxattr+0x1a6/0x1a6 [ 2433.319579] [] ? cap_task_setioprio+0x1e/0x1e [ 2433.340351] [] cap_bprm_set_creds+0x70a/0x107f [ 2433.362353] [] ? get_vfs_caps_from_disk+0x3c9/0x3c9 [ 2433.389151] [] ? arch_local_irq_restore+0x6/0xd [ 2433.409736] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2433.433255] [] security_bprm_set_creds+0x5c/0xa0 [ 2433.457624] [] ? prepare_binprm+0x278/0x615 [ 2433.479618] [] prepare_binprm+0x582/0x615 [ 2433.500800] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 2433.522853] [] do_execveat_common.isra.23+0xe72/0x1582 [ 2433.548282] [] ? prepare_bprm_creds+0x11f/0x11f [ 2433.570841] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2433.591584] [] ? getname_kernel+0x41/0x1e3 [ 2433.610093] [] do_execve+0x37/0x40 [ 2433.627196] [] run_init_process+0x39/0x3b [ 2433.648748] [] try_to_run_init_process+0x1c/0x48 [ 2433.669525] [] kernel_init+0x11c/0x181 [ 2433.685967] [] ret_from_fork+0x1f/0x40 [ 2433.707986] [] ? rest_init+0x8f/0x8f [ 2433.728044] ================================================================================ [ 2433.758918] ================================================================================ [ 2433.790365] UBSAN: Undefined behaviour in fs/ext4/xattr.c:301:35 [ 2433.811252] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2433.842314] which requires 64 byte alignment [ 2433.857815] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2433.880506] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2433.913639] 00000000ffffffff 00000000b1a89c60 ffff88005c9df940 ffffffffb26ec5cc [ 2433.960611] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2433.996856] ffff880000000010 ffff88005c9df968 ffff88005c9df918 ffffffffb363c3e0 [ 2434.039261] Call Trace: [ 2434.046866] [] dump_stack+0xd7/0x132 [ 2434.070779] [] ? arch_local_irq_restore+0x1b/0x1b [ 2434.103051] [] ubsan_epilogue+0x12/0x53 [ 2434.131069] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2434.162387] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2434.198547] [] ext4_xattr_get+0x14a/0x457 [ 2434.221488] [] ? arch_local_irq_restore+0x6/0xd [ 2434.252021] [] ? ext4_xattr_ibody_get+0x34a/0x34a [ 2434.278185] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2434.311613] [] ext4_xattr_security_get+0x38/0x40 [ 2434.346888] [] generic_getxattr+0xd6/0xed [ 2434.368724] [] get_vfs_caps_from_disk+0x180/0x3c9 [ 2434.400255] [] ? vfs_getxattr+0x1a6/0x1a6 [ 2434.425642] [] ? cap_task_setioprio+0x1e/0x1e [ 2434.453851] [] cap_bprm_set_creds+0x70a/0x107f [ 2434.481457] [] ? get_vfs_caps_from_disk+0x3c9/0x3c9 [ 2434.519248] [] ? arch_local_irq_restore+0x6/0xd [ 2434.550864] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2434.590729] [] security_bprm_set_creds+0x5c/0xa0 [ 2434.621157] [] ? prepare_binprm+0x278/0x615 [ 2434.645548] [] prepare_binprm+0x582/0x615 [ 2434.667487] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 2434.690351] [] do_execveat_common.isra.23+0xe72/0x1582 [ 2434.720313] [] ? prepare_bprm_creds+0x11f/0x11f [ 2434.740661] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2434.760138] [] ? getname_kernel+0x41/0x1e3 [ 2434.779273] [] do_execve+0x37/0x40 [ 2434.796827] [] run_init_process+0x39/0x3b [ 2434.815265] [] try_to_run_init_process+0x1c/0x48 [ 2434.835152] [] kernel_init+0x11c/0x181 [ 2434.851328] [] ret_from_fork+0x1f/0x40 [ 2434.869993] [] ? rest_init+0x8f/0x8f [ 2434.888197] ================================================================================ [ 2434.912487] ================================================================================ [ 2434.941830] UBSAN: Undefined behaviour in fs/ext4/xattr.c:301:19 [ 2434.962816] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2434.996656] which requires 64 byte alignment [ 2435.009450] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2435.029906] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2435.060413] 00000000ffffffff 00000000b1a89c60 ffff88005c9df940 ffffffffb26ec5cc [ 2435.090561] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2435.129856] ffff880000000010 ffff88005c9df968 ffff88005c9df918 ffffffffb363c3e0 [ 2435.173293] Call Trace: [ 2435.187425] [] dump_stack+0xd7/0x132 [ 2435.211799] [] ? arch_local_irq_restore+0x1b/0x1b [ 2435.242198] [] ubsan_epilogue+0x12/0x53 [ 2435.275848] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2435.310707] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2435.343476] [] ext4_xattr_get+0x177/0x457 [ 2435.381560] [] ? arch_local_irq_restore+0x6/0xd [ 2435.410785] [] ? ext4_xattr_ibody_get+0x34a/0x34a [ 2435.433872] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2435.466805] [] ext4_xattr_security_get+0x38/0x40 [ 2435.488317] [] generic_getxattr+0xd6/0xed [ 2435.520656] [] get_vfs_caps_from_disk+0x180/0x3c9 [ 2435.553313] [] ? vfs_getxattr+0x1a6/0x1a6 [ 2435.586143] [] ? cap_task_setioprio+0x1e/0x1e [ 2435.627383] [] cap_bprm_set_creds+0x70a/0x107f [ 2435.667334] [] ? get_vfs_caps_from_disk+0x3c9/0x3c9 [ 2435.706064] [] ? arch_local_irq_restore+0x6/0xd [ 2435.732942] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2435.758158] [] security_bprm_set_creds+0x5c/0xa0 [ 2435.782274] [] ? prepare_binprm+0x278/0x615 [ 2435.805373] [] prepare_binprm+0x582/0x615 [ 2435.827021] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 2435.850969] [] do_execveat_common.isra.23+0xe72/0x1582 [ 2435.876849] [] ? prepare_bprm_creds+0x11f/0x11f [ 2435.896257] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2435.919877] [] ? getname_kernel+0x41/0x1e3 [ 2435.944667] [] do_execve+0x37/0x40 [ 2435.965093] [] run_init_process+0x39/0x3b [ 2435.985549] [] try_to_run_init_process+0x1c/0x48 [ 2436.006330] [] kernel_init+0x11c/0x181 [ 2436.025223] [] ret_from_fork+0x1f/0x40 [ 2436.043738] [] ? rest_init+0x8f/0x8f [ 2436.060925] ================================================================================ [ 2436.092533] ================================================================================ [ 2436.124023] UBSAN: Undefined behaviour in ./include/linux/fs.h:3035:35 [ 2436.146282] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2436.175568] which requires 64 byte alignment [ 2436.190952] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2436.209563] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2436.251488] 00000000ffffffff 00000000b1a89c60 ffff88005c9df9e0 ffffffffb26ec5cc [ 2436.277920] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2436.301386] 0000000000000010 ffff88005c9dfa08 ffff88005c9df9b8 ffffffffb363c3e0 [ 2436.326031] Call Trace: [ 2436.334965] [] dump_stack+0xd7/0x132 [ 2436.354919] [] ? arch_local_irq_restore+0x1b/0x1b [ 2436.380114] [] ubsan_epilogue+0x12/0x53 [ 2436.402289] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2436.430891] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2436.462977] [] init_sync_kiocb+0x1d8/0x2e1 [ 2436.487471] [] new_sync_read+0xc7/0x20a [ 2436.508782] [] ? new_sync_read.part.8+0x1c/0x1c [ 2436.532052] [] ? __fsnotify_parent+0x229/0x238 [ 2436.560391] [] ? fsnotify_perm+0x111/0x11e [ 2436.579139] [] __vfs_read+0x12c/0x145 [ 2436.596200] [] vfs_read+0x12a/0x209 [ 2436.615013] [] kernel_read+0x10c/0x173 [ 2436.629335] [] ? setup_arg_pages+0x76a/0x76a [ 2436.654332] [] prepare_binprm+0x5fd/0x615 [ 2436.673502] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 2436.696263] [] do_execveat_common.isra.23+0xe72/0x1582 [ 2436.716852] [] ? prepare_bprm_creds+0x11f/0x11f [ 2436.732571] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2436.756047] [] ? getname_kernel+0x41/0x1e3 [ 2436.774761] [] do_execve+0x37/0x40 [ 2436.788350] [] run_init_process+0x39/0x3b [ 2436.809799] [] try_to_run_init_process+0x1c/0x48 [ 2436.835026] [] kernel_init+0x11c/0x181 [ 2436.851194] [] ret_from_fork+0x1f/0x40 [ 2436.880422] [] ? rest_init+0x8f/0x8f [ 2436.901899] ================================================================================ [ 2436.929985] ================================================================================ [ 2436.959112] UBSAN: Undefined behaviour in mm/filemap.c:1690:6 [ 2436.981753] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2437.015690] which requires 64 byte alignment [ 2437.028776] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2437.049954] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2437.084070] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8d8 ffffffffb26ec5cc [ 2437.108399] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2437.130003] 0000000000000010 ffff88005c9df900 ffff88005c9df8b0 ffffffffb363c3e0 [ 2437.157838] Call Trace: [ 2437.164571] [] dump_stack+0xd7/0x132 [ 2437.181887] [] ? arch_local_irq_restore+0x1b/0x1b [ 2437.204822] [] ubsan_epilogue+0x12/0x53 [ 2437.220593] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2437.240039] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2437.261108] [] generic_file_read_iter+0x575/0x11f6 [ 2437.280265] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 2437.301883] [] ? iov_iter_init+0x169/0x17d [ 2437.324877] [] new_sync_read+0x16b/0x20a [ 2437.341599] [] ? new_sync_read.part.8+0x1c/0x1c [ 2437.363395] [] ? __fsnotify_parent+0x229/0x238 [ 2437.382394] [] __vfs_read+0x12c/0x145 [ 2437.404277] [] vfs_read+0x12a/0x209 [ 2437.427511] [] kernel_read+0x10c/0x173 [ 2437.451498] [] ? setup_arg_pages+0x76a/0x76a [ 2437.472065] [] prepare_binprm+0x5fd/0x615 [ 2437.492055] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 2437.511198] [] do_execveat_common.isra.23+0xe72/0x1582 [ 2437.532386] [] ? prepare_bprm_creds+0x11f/0x11f [ 2437.556215] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2437.575674] [] ? getname_kernel+0x41/0x1e3 [ 2437.590803] [] do_execve+0x37/0x40 [ 2437.607820] [] run_init_process+0x39/0x3b [ 2437.628253] [] try_to_run_init_process+0x1c/0x48 [ 2437.654591] [] kernel_init+0x11c/0x181 [ 2437.674663] [] ret_from_fork+0x1f/0x40 [ 2437.690937] [] ? rest_init+0x8f/0x8f [ 2437.707866] ================================================================================ [ 2437.736749] ================================================================================ [ 2437.762228] UBSAN: Undefined behaviour in mm/filemap.c:1692:37 [ 2437.780468] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2437.811621] which requires 64 byte alignment [ 2437.824538] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2437.845360] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2437.874465] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8d8 ffffffffb26ec5cc [ 2437.899235] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2437.924481] ffffffff00000010 ffff88005c9df900 ffff88005c9df8b0 ffffffffb363c3e0 [ 2437.947759] Call Trace: [ 2437.954749] [] dump_stack+0xd7/0x132 [ 2437.970004] [] ? arch_local_irq_restore+0x1b/0x1b [ 2437.990093] [] ubsan_epilogue+0x12/0x53 [ 2438.010061] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2438.031011] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2438.054680] [] generic_file_read_iter+0x5d3/0x11f6 [ 2438.074231] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 2438.092926] [] ? iov_iter_init+0x169/0x17d [ 2438.111102] [] new_sync_read+0x16b/0x20a [ 2438.131798] [] ? new_sync_read.part.8+0x1c/0x1c [ 2438.151202] [] ? __fsnotify_parent+0x229/0x238 [ 2438.168887] [] __vfs_read+0x12c/0x145 [ 2438.185659] [] vfs_read+0x12a/0x209 [ 2438.201765] [] kernel_read+0x10c/0x173 [ 2438.220015] [] ? setup_arg_pages+0x76a/0x76a [ 2438.238433] [] prepare_binprm+0x5fd/0x615 [ 2438.259044] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 2438.281464] [] do_execveat_common.isra.23+0xe72/0x1582 [ 2438.305351] [] ? prepare_bprm_creds+0x11f/0x11f [ 2438.327021] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2438.347268] [] ? getname_kernel+0x41/0x1e3 [ 2438.365711] [] do_execve+0x37/0x40 [ 2438.380220] [] run_init_process+0x39/0x3b [ 2438.397619] [] try_to_run_init_process+0x1c/0x48 [ 2438.415125] [] kernel_init+0x11c/0x181 [ 2438.433183] [] ret_from_fork+0x1f/0x40 [ 2438.449187] [] ? rest_init+0x8f/0x8f [ 2438.464474] ================================================================================ [ 2438.496058] ================================================================================ [ 2438.523537] UBSAN: Undefined behaviour in fs/ext4/readpage.c:114:23 [ 2438.547814] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2438.575982] which requires 64 byte alignment [ 2438.590356] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2438.614353] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2438.646867] 00000000ffffffff 00000000b1a89c60 ffff88005c9df4f0 ffffffffb26ec5cc [ 2438.671031] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2438.695007] ffff880000000010 ffff88005c9df518 ffff88005c9df4c8 ffffffffb363c3e0 [ 2438.718430] Call Trace: [ 2438.725997] [] dump_stack+0xd7/0x132 [ 2438.746123] [] ? arch_local_irq_restore+0x1b/0x1b [ 2438.767348] [] ubsan_epilogue+0x12/0x53 [ 2438.783825] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2438.809444] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2438.838381] [] ? gfp_pfmemalloc_allowed+0xf3/0xf3 [ 2438.861876] [] ext4_mpage_readpages+0x1fe/0x11a5 [ 2438.883402] [] ? serial8250_console_write+0x544/0x58e [ 2438.906702] [] ? mpage_end_io+0x233/0x233 [ 2438.925157] [] ext4_readpages+0x63/0x77 [ 2438.947143] [] ? ext4_invalidatepage+0x207/0x207 [ 2438.970251] [] __do_page_cache_readahead+0x39b/0x51f [ 2438.991557] [] ? finish_task_switch+0x345/0x4b3 [ 2439.009562] [] ? read_cache_pages+0x234/0x234 [ 2439.028551] [] ? __radix_tree_lookup+0x1f8/0x1f8 [ 2439.047578] [] ? io_schedule_timeout+0x33d/0x33d [ 2439.067303] [] ondemand_readahead+0x802/0x81c [ 2439.084786] [] ? ondemand_readahead+0x802/0x81c [ 2439.103944] [] page_cache_sync_readahead+0xb7/0xc7 [ 2439.125072] [] generic_file_read_iter+0x7f2/0x11f6 [ 2439.148235] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 2439.170933] [] ? iov_iter_init+0x169/0x17d [ 2439.188343] [] new_sync_read+0x16b/0x20a [ 2439.206980] [] ? new_sync_read.part.8+0x1c/0x1c [ 2439.226913] [] ? __fsnotify_parent+0x229/0x238 [ 2439.246444] [] __vfs_read+0x12c/0x145 [ 2439.266450] [] vfs_read+0x12a/0x209 [ 2439.285715] [] kernel_read+0x10c/0x173 [ 2439.301052] [] ? setup_arg_pages+0x76a/0x76a [ 2439.318546] [] prepare_binprm+0x5fd/0x615 [ 2439.338364] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 2439.359625] [] do_execveat_common.isra.23+0xe72/0x1582 [ 2439.380166] [] ? prepare_bprm_creds+0x11f/0x11f [ 2439.403111] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2439.423267] [] ? getname_kernel+0x41/0x1e3 [ 2439.444277] [] do_execve+0x37/0x40 [ 2439.458294] [] run_init_process+0x39/0x3b [ 2439.475553] [] try_to_run_init_process+0x1c/0x48 [ 2439.494830] [] kernel_init+0x11c/0x181 [ 2439.509072] [] ret_from_fork+0x1f/0x40 [ 2439.529357] [] ? rest_init+0x8f/0x8f [ 2439.546504] ================================================================================ [ 2439.570503] ================================================================================ [ 2439.598657] UBSAN: Undefined behaviour in ./include/linux/cleancache.h:53:28 [ 2439.622583] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2439.651540] which requires 64 byte alignment [ 2439.667526] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2439.685217] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2439.714534] 00000000ffffffff 00000000b1a89c60 ffff88005c9df4f0 ffffffffb26ec5cc [ 2439.740380] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2439.768225] ffff880000000010 ffff88005c9df518 ffff88005c9df4c8 ffffffffb363c3e0 [ 2439.790660] Call Trace: [ 2439.801648] [] dump_stack+0xd7/0x132 [ 2439.819235] [] ? arch_local_irq_restore+0x1b/0x1b [ 2439.853570] [] ubsan_epilogue+0x12/0x53 [ 2439.871359] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2439.905109] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2439.936136] [] ext4_mpage_readpages+0xbfe/0x11a5 [ 2439.958223] [] ? mpage_end_io+0x233/0x233 [ 2439.978434] [] ext4_readpages+0x63/0x77 [ 2439.998214] [] ? ext4_invalidatepage+0x207/0x207 [ 2440.019470] [] __do_page_cache_readahead+0x39b/0x51f [ 2440.044113] [] ? finish_task_switch+0x345/0x4b3 [ 2440.067976] [] ? read_cache_pages+0x234/0x234 [ 2440.091177] [] ? __radix_tree_lookup+0x1f8/0x1f8 [ 2440.109087] [] ? io_schedule_timeout+0x33d/0x33d [ 2440.130163] [] ondemand_readahead+0x802/0x81c [ 2440.149086] [] ? ondemand_readahead+0x802/0x81c [ 2440.172711] [] page_cache_sync_readahead+0xb7/0xc7 [ 2440.196374] [] generic_file_read_iter+0x7f2/0x11f6 [ 2440.213963] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 2440.244031] [] ? iov_iter_init+0x169/0x17d [ 2440.260036] [] new_sync_read+0x16b/0x20a [ 2440.276850] [] ? new_sync_read.part.8+0x1c/0x1c [ 2440.298348] [] ? __fsnotify_parent+0x229/0x238 [ 2440.316749] [] __vfs_read+0x12c/0x145 [ 2440.334835] [] vfs_read+0x12a/0x209 [ 2440.351844] [] kernel_read+0x10c/0x173 [ 2440.368640] [] ? setup_arg_pages+0x76a/0x76a [ 2440.389115] [] prepare_binprm+0x5fd/0x615 [ 2440.406619] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 2440.429335] [] do_execveat_common.isra.23+0xe72/0x1582 [ 2440.451491] [] ? prepare_bprm_creds+0x11f/0x11f [ 2440.477172] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2440.499120] [] ? getname_kernel+0x41/0x1e3 [ 2440.516102] [] do_execve+0x37/0x40 [ 2440.529372] [] run_init_process+0x39/0x3b [ 2440.547717] [] try_to_run_init_process+0x1c/0x48 [ 2440.567556] [] kernel_init+0x11c/0x181 [ 2440.583084] [] ret_from_fork+0x1f/0x40 [ 2440.602271] [] ? rest_init+0x8f/0x8f [ 2440.619443] ================================================================================ [ 2440.686272] ================================================================================ [ 2440.711080] UBSAN: Undefined behaviour in fs/inode.c:1630:6 [ 2440.728568] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2440.757321] which requires 64 byte alignment [ 2440.775758] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2440.791510] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2440.822220] 00000000ffffffff 00000000b1a89c60 ffff88005c9df778 ffffffffb26ec5cc [ 2440.850036] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2440.874879] 000e6e3b00000010 ffff88005c9df7a0 ffff88005c9df750 ffffffffb363c3e0 [ 2440.919622] Call Trace: [ 2440.934708] [] dump_stack+0xd7/0x132 [ 2440.952404] [] ? arch_local_irq_restore+0x1b/0x1b [ 2440.975791] [] ubsan_epilogue+0x12/0x53 [ 2440.992828] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2441.015946] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2441.042016] [] ? wake_up_bit+0x2a/0x2a [ 2441.057815] [] ? __delayacct_blkio_end+0x1d1/0x1d8 [ 2441.079230] [] atime_needs_update+0x151/0x666 [ 2441.097008] [] ? new_inode+0x45/0x45 [ 2441.111590] [] touch_atime+0xed/0x20e [ 2441.133018] [] ? atime_needs_update+0x666/0x666 [ 2441.152111] [] file_accessed+0x43/0x4b [ 2441.168658] [] generic_file_read_iter+0x1180/0x11f6 [ 2441.190908] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 2441.212998] [] ? iov_iter_init+0x169/0x17d [ 2441.239329] [] new_sync_read+0x16b/0x20a [ 2441.259314] [] ? new_sync_read.part.8+0x1c/0x1c [ 2441.284141] [] ? __fsnotify_parent+0x229/0x238 [ 2441.306502] [] __vfs_read+0x12c/0x145 [ 2441.328501] [] vfs_read+0x12a/0x209 [ 2441.350289] [] kernel_read+0x10c/0x173 [ 2441.369254] [] ? setup_arg_pages+0x76a/0x76a [ 2441.392841] [] prepare_binprm+0x5fd/0x615 [ 2441.421047] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 2441.448445] [] do_execveat_common.isra.23+0xe72/0x1582 [ 2441.476208] [] ? prepare_bprm_creds+0x11f/0x11f [ 2441.506564] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2441.526863] [] ? getname_kernel+0x41/0x1e3 [ 2441.548428] [] do_execve+0x37/0x40 [ 2441.566903] [] run_init_process+0x39/0x3b [ 2441.583369] [] try_to_run_init_process+0x1c/0x48 [ 2441.602193] [] kernel_init+0x11c/0x181 [ 2441.620583] [] ret_from_fork+0x1f/0x40 [ 2441.635646] [] ? rest_init+0x8f/0x8f [ 2441.652529] ================================================================================ [ 2441.978807] random: crng init done [ 2442.120588] ================================================================================ [ 2442.148480] UBSAN: Undefined behaviour in mm/list_lru.c:81:11 [ 2442.167663] member access within misaligned address ffff88009f305278 for type 'struct list_lru_node' [ 2442.197313] which requires 64 byte alignment [ 2442.214268] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2442.235690] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2442.266740] 00000000ffffffff 00000000b1a89c60 ffff88005c9df598 ffffffffb26ec5cc [ 2442.289401] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2442.315390] ffff880000000010 ffff88005c9df5c0 ffff88005c9df570 ffffffffb363c3e0 [ 2442.339798] Call Trace: [ 2442.347220] [] dump_stack+0xd7/0x132 [ 2442.364059] [] ? arch_local_irq_restore+0x1b/0x1b [ 2442.382038] [] ubsan_epilogue+0x12/0x53 [ 2442.401042] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2442.426529] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2442.449858] [] ? lockref_put_return+0x135/0x16d [ 2442.472591] [] list_lru_from_kmem+0x2f/0x134 [ 2442.489180] [] ? list_lru_add+0xaa/0x182 [ 2442.508683] [] list_lru_add+0xc7/0x182 [ 2442.531485] [] dput+0x5f2/0x723 [ 2442.549551] [] path_put+0x3d/0x69 [ 2442.565051] [] put_link+0xbe/0xca [ 2442.580617] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2442.601080] [] path_openat+0x1c4d/0x2525 [ 2442.617789] [] ? may_open+0x1c0/0x1c0 [ 2442.633514] [] ? save_stack+0xc4/0xce [ 2442.649716] [] ? save_stack+0x46/0xce [ 2442.666648] [] ? kasan_kmalloc+0x94/0xa3 [ 2442.683537] [] ? kasan_slab_alloc+0x12/0x14 [ 2442.697349] [] ? slab_post_alloc_hook+0x97/0xb7 [ 2442.713427] [] ? kmem_cache_alloc+0x20f/0x33f [ 2442.731495] [] ? getname_kernel+0x41/0x1e3 [ 2442.747639] [] ? open_exec+0x1f/0x5a [ 2442.763362] [] ? search_binary_handler+0x197/0x473 [ 2442.780263] [] ? do_execveat_common.isra.23+0x1012/0x1582 [ 2442.800380] [] ? do_execve+0x37/0x40 [ 2442.815469] [] ? run_init_process+0x39/0x3b [ 2442.832036] [] ? try_to_run_init_process+0x1c/0x48 [ 2442.850415] [] ? kernel_init+0x11c/0x181 [ 2442.868311] [] ? ret_from_fork+0x1f/0x40 [ 2442.884141] [] ? deactivate_slab+0x53d/0x566 [ 2442.901723] [] ? getname_kernel+0x41/0x1e3 [ 2442.919618] [] do_filp_open+0xe2/0x18c [ 2442.932116] [] ? path_openat+0x2525/0x2525 [ 2442.949510] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2442.970179] [] ? kasan_kmalloc+0x94/0xa3 [ 2442.985850] [] ? kasan_slab_alloc+0x12/0x14 [ 2443.001846] [] do_open_execat+0xff/0x371 [ 2443.017663] [] ? do_open_execat+0xff/0x371 [ 2443.032311] [] ? fsnotify_open+0xd3/0xd3 [ 2443.047727] [] open_exec+0x41/0x5a [ 2443.064576] [] load_elf_binary+0x57b/0x4095 [ 2443.080182] [] ? load_script+0x601/0x64e [ 2443.096863] [] ? load_elf_library+0x4ec/0x4ec [ 2443.114424] [] ? copy_strings.isra.20+0x5da/0x618 [ 2443.133374] [] search_binary_handler+0x197/0x473 [ 2443.172441] [] do_execveat_common.isra.23+0x1012/0x1582 [ 2443.198397] [] ? prepare_bprm_creds+0x11f/0x11f [ 2443.224390] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2443.252492] [] ? getname_kernel+0x41/0x1e3 [ 2443.272888] [] do_execve+0x37/0x40 [ 2443.289802] [] run_init_process+0x39/0x3b [ 2443.308457] [] try_to_run_init_process+0x1c/0x48 [ 2443.327098] [] kernel_init+0x11c/0x181 [ 2443.343373] [] ret_from_fork+0x1f/0x40 [ 2443.364952] [] ? rest_init+0x8f/0x8f [ 2443.380551] ================================================================================ [ 2443.431633] ================================================================================ [ 2443.459129] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 2443.482777] load of misaligned address ffffffffb77ce774 for type 'volatile const long unsigned int' [ 2443.514932] which requires 8 byte alignment [ 2443.529005] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.11 #1 [ 2443.552855] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2443.594664] 00000000ffffffff 00000000b1a89c60 ffff88005c9df928 ffffffffb26ec5cc [ 2443.618408] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2443.646477] ffffffff00000010 ffff88005c9df950 ffff88005c9df900 ffffffffb363c3e0 [ 2443.670019] Call Trace: [ 2443.679493] [] dump_stack+0xd7/0x132 [ 2443.698080] [] ? arch_local_irq_restore+0x1b/0x1b [ 2443.727590] [] ubsan_epilogue+0x12/0x53 [ 2443.752114] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2443.779014] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2443.810007] [] fpu__clear+0x175/0x1b7 [ 2443.831676] [] flush_thread+0x3a/0x3d [ 2443.858672] [] flush_old_exec+0x1662/0x171d [ 2443.885764] [] ? remove_arg_zero+0x51c/0x51c [ 2443.908125] [] ? kernel_read+0x134/0x173 [ 2443.934903] [] ? setup_arg_pages+0x76a/0x76a [ 2443.965964] [] ? __kmalloc+0x2c1/0x2e7 [ 2443.989551] [] ? load_elf_phdrs+0xc5/0x135 [ 2444.009465] [] load_elf_binary+0x858/0x4095 [ 2444.028007] [] ? load_script+0x601/0x64e [ 2444.051131] [] ? load_elf_library+0x4ec/0x4ec [ 2444.154409] [] ? copy_strings.isra.20+0x5da/0x618 [ 2444.306797] [] search_binary_handler+0x197/0x473 [ 2444.355513] [] do_execveat_common.isra.23+0x1012/0x1582 [ 2444.395501] [] ? prepare_bprm_creds+0x11f/0x11f [ 2444.424357] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2444.450694] [] ? getname_kernel+0x41/0x1e3 [ 2444.517081] [] do_execve+0x37/0x40 [ 2444.629943] [] run_init_process+0x39/0x3b [ 2444.689655] [] try_to_run_init_process+0x1c/0x48 [ 2444.758987] [] kernel_init+0x11c/0x181 [ 2444.800227] [] ret_from_fork+0x1f/0x40 [ 2444.833894] [] ? rest_init+0x8f/0x8f [ 2444.874169] ================================================================================ [ 2444.950425] ================================================================================ [ 2445.019116] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 2445.077050] load of misaligned address ffffffffb77ce774 for type 'volatile const long unsigned int' [ 2445.126616] which requires 8 byte alignment [ 2445.151852] CPU: 2 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2445.173945] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2445.218496] 00000000ffffffff 00000000b1a89c60 ffff88005c9df8c8 ffffffffb26ec5cc [ 2445.257653] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2445.301162] 0000000000000010 ffff88005c9df8f0 ffff88005c9df8a0 ffffffffb363c3e0 [ 2445.333529] Call Trace: [ 2445.345140] [] dump_stack+0xd7/0x132 [ 2445.365286] [] ? arch_local_irq_restore+0x1b/0x1b [ 2445.389873] [] ubsan_epilogue+0x12/0x53 [ 2445.412896] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2445.443636] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2445.478016] [] arch_vma_access_permitted.part.9+0x63/0xd1 [ 2445.509563] [] __do_page_fault+0x7a4/0x96b [ 2445.541171] [] trace_do_page_fault+0xb0/0x1f8 [ 2445.559440] [] do_async_page_fault+0x31/0x63 [ 2445.586409] [] async_page_fault+0x28/0x30 [ 2445.605518] [] ? __clear_user+0x37/0x5b [ 2445.630059] [] ? __clear_user+0x17/0x5b [ 2445.652955] [] clear_user+0x6d/0x7f [ 2445.674357] [] padzero+0x3a/0x4d [ 2445.693832] [] load_elf_binary+0x161f/0x4095 [ 2445.714317] [] ? load_script+0x601/0x64e [ 2445.738429] [] ? load_elf_library+0x4ec/0x4ec [ 2445.763295] [] ? copy_strings.isra.20+0x5da/0x618 [ 2445.790155] [] search_binary_handler+0x197/0x473 [ 2445.814677] [] do_execveat_common.isra.23+0x1012/0x1582 [ 2445.844771] [] ? prepare_bprm_creds+0x11f/0x11f [ 2445.867352] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2445.894354] [] ? getname_kernel+0x41/0x1e3 [ 2445.915589] [] do_execve+0x37/0x40 [ 2445.934194] [] run_init_process+0x39/0x3b [ 2445.954252] [] try_to_run_init_process+0x1c/0x48 [ 2445.974914] [] kernel_init+0x11c/0x181 [ 2446.021458] [] ret_from_fork+0x1f/0x40 [ 2446.049795] [] ? rest_init+0x8f/0x8f [ 2446.076891] ================================================================================ [ 2446.113363] ================================================================================ [ 2446.145366] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 2446.174180] load of misaligned address ffffffffb77ce774 for type 'volatile const long unsigned int' [ 2446.208266] which requires 8 byte alignment [ 2446.223981] CPU: 2 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2446.240444] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2446.278529] 00000000ffffffff 00000000b1a89c60 ffff88005c9df708 ffffffffb26ec5cc [ 2446.305498] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2446.330740] ffffffff00000010 ffff88005c9df730 ffff88005c9df6e0 ffffffffb363c3e0 [ 2446.355163] Call Trace: [ 2446.365027] [] dump_stack+0xd7/0x132 [ 2446.382161] [] ? arch_local_irq_restore+0x1b/0x1b [ 2446.404174] [] ubsan_epilogue+0x12/0x53 [ 2446.423438] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2446.447485] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2446.478164] [] ? vprintk_emit+0x636/0x647 [ 2446.504166] [] handle_mm_fault+0x1ea3/0x2102 [ 2446.526923] [] ? vprintk_default+0x65/0x6e [ 2446.548698] [] ? apply_to_page_range+0x3d6/0x3d6 [ 2446.574881] [] ? ubsan_epilogue+0x26/0x53 [ 2446.594211] [] ? arch_local_irq_restore+0x6/0xd [ 2446.612088] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2446.640412] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2446.665194] [] __do_page_fault+0x4bf/0x96b [ 2446.684921] [] trace_do_page_fault+0xb0/0x1f8 [ 2446.709531] [] do_async_page_fault+0x31/0x63 [ 2446.728513] [] async_page_fault+0x28/0x30 [ 2446.749063] [] ? __clear_user+0x37/0x5b [ 2446.765705] [] ? __clear_user+0x17/0x5b [ 2446.781458] [] clear_user+0x6d/0x7f [ 2446.802868] [] padzero+0x3a/0x4d [ 2446.816105] [] load_elf_binary+0x161f/0x4095 [ 2446.835107] [] ? load_script+0x601/0x64e [ 2446.857141] [] ? load_elf_library+0x4ec/0x4ec [ 2446.877061] [] ? copy_strings.isra.20+0x5da/0x618 [ 2446.899080] [] search_binary_handler+0x197/0x473 [ 2446.919168] [] do_execveat_common.isra.23+0x1012/0x1582 [ 2446.945280] [] ? prepare_bprm_creds+0x11f/0x11f [ 2446.964308] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2446.983797] [] ? getname_kernel+0x41/0x1e3 [ 2447.010199] [] do_execve+0x37/0x40 [ 2447.024759] [] run_init_process+0x39/0x3b [ 2447.044591] [] try_to_run_init_process+0x1c/0x48 [ 2447.067994] [] kernel_init+0x11c/0x181 [ 2447.084999] [] ret_from_fork+0x1f/0x40 [ 2447.104217] [] ? rest_init+0x8f/0x8f [ 2447.125361] ================================================================================ [ 2447.247397] ================================================================================ [ 2447.275149] UBSAN: Undefined behaviour in fs/ext4/namei.c:1497:27 [ 2447.296521] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2447.327181] which requires 64 byte alignment [ 2447.343875] CPU: 2 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2447.364462] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2447.395655] 00000000ffffffff 00000000b1a89c60 ffff88005c9df630 ffffffffb26ec5cc [ 2447.422120] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2447.446728] 1ffff10000000010 ffff88005c9df658 ffff88005c9df608 ffffffffb363c3e0 [ 2447.475121] Call Trace: [ 2447.485722] [] dump_stack+0xd7/0x132 [ 2447.504517] [] ? arch_local_irq_restore+0x1b/0x1b [ 2447.526725] [] ubsan_epilogue+0x12/0x53 [ 2447.546227] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2447.572385] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2447.601889] [] ext4_find_entry+0xf17/0x10af [ 2447.621770] [] ? ext4_search_dir+0x218/0x218 [ 2447.641253] [] ? __d_alloc+0x776/0x7bc [ 2447.655942] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2447.677324] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2447.697661] [] ? d_alloc_parallel+0x837/0x884 [ 2447.715731] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2447.732926] [] ext4_lookup+0x1c1/0x504 [ 2447.749662] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2447.768872] [] lookup_slow+0x271/0x2e1 [ 2447.786160] [] ? d_lookup_done+0x63/0x63 [ 2447.805740] [] walk_component+0x191/0x35a [ 2447.824457] [] ? handle_dots.part.12+0x973/0x973 [ 2447.845003] [] ? nd_jump_root+0x27d/0x28d [ 2447.864318] [] ? path_init+0x93c/0x950 [ 2447.883700] [] path_lookupat+0x1dc/0x373 [ 2447.904024] [] filename_lookup+0x10a/0x1f3 [ 2447.923120] [] ? user_path_parent+0x5b/0x5b [ 2447.942815] [] ? strncpy_from_user+0x2c1/0x307 [ 2447.963807] [] ? getname_flags+0x4f/0x2e0 [ 2447.982282] [] user_path_at_empty+0x4c/0x55 [ 2448.003630] [] ? user_path_at_empty+0x4c/0x55 [ 2448.023952] [] SYSC_faccessat+0x29a/0x4f8 [ 2448.042894] [] ? finish_open+0x158/0x158 [ 2448.063793] [] SyS_access+0x27/0x2c [ 2448.080866] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2448.104353] ================================================================================ [ 2448.132414] ================================================================================ [ 2448.164255] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2448.184066] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2448.218957] which requires 64 byte alignment [ 2448.231296] CPU: 2 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2448.249611] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2448.288092] 00000000ffffffff 00000000b1a89c60 ffff88005c9df3d8 ffffffffb26ec5cc [ 2448.313440] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2448.342264] ffff880000000010 ffff88005c9df400 ffff88005c9df3b0 ffffffffb363c3e0 [ 2448.365547] Call Trace: [ 2448.375418] [] dump_stack+0xd7/0x132 [ 2448.393219] [] ? arch_local_irq_restore+0x1b/0x1b [ 2448.412468] [] ubsan_epilogue+0x12/0x53 [ 2448.433162] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2448.456986] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2448.480201] [] ? __es_remove_extent+0x5bf/0x808 [ 2448.505514] [] ext4_es_free_extent+0x11a/0x4d0 [ 2448.527635] [] ? ext4_test_inode_state.constprop.3+0x48/0x48 [ 2448.553525] [] ? ext4_es_can_be_merged+0x2d3/0x2e4 [ 2448.576314] [] __es_insert_extent+0x5cc/0xb3d [ 2448.597628] [] ext4_es_insert_extent+0x259/0x413 [ 2448.618581] [] ? ext4_es_find_delayed_extent_range+0x60f/0x60f [ 2448.646400] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2448.672226] [] ? down_read+0x96/0x101 [ 2448.689717] [] ? down_write_killable+0xfb/0xfb [ 2448.709185] [] ext4_map_blocks+0x6b2/0xef8 [ 2448.728384] [] ? ext4_issue_zeroout+0x182/0x182 [ 2448.758748] [] ext4_mpage_readpages+0x7c7/0x11a5 [ 2448.779310] [] ? mpage_end_io+0x233/0x233 [ 2448.800040] [] ? __radix_tree_insert+0x305/0x305 [ 2448.822631] [] ext4_readpages+0x63/0x77 [ 2448.839596] [] ? ext4_invalidatepage+0x207/0x207 [ 2448.866856] [] __do_page_cache_readahead+0x39b/0x51f [ 2448.889309] [] ? read_cache_pages+0x234/0x234 [ 2448.911835] [] ? pagecache_get_page+0x27e/0x28e [ 2448.940192] [] filemap_fault+0x86e/0xc08 [ 2448.960284] [] ? filemap_fault+0x86e/0xc08 [ 2448.979875] [] ext4_filemap_fault+0x86/0x9c [ 2449.003016] [] ? __do_fault+0x21d/0x35e [ 2449.023844] [] __do_fault+0x228/0x35e [ 2449.043991] [] ? print_bad_pte+0x48f/0x48f [ 2449.071159] [] ? compound_head+0x4e/0x56 [ 2449.093384] [] handle_mm_fault+0x115a/0x2102 [ 2449.117334] [] ? apply_to_page_range+0x3d6/0x3d6 [ 2449.141434] [] ? up_write+0x8c/0xd9 [ 2449.165393] [] ? down_write_trylock+0x100/0x100 [ 2449.190214] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2449.218390] [] __do_page_fault+0x4bf/0x96b [ 2449.239210] [] trace_do_page_fault+0xb0/0x1f8 [ 2449.256254] [] do_async_page_fault+0x31/0x63 [ 2449.279227] [] async_page_fault+0x28/0x30 [ 2449.299345] ================================================================================ [ 2449.334930] ================================================================================ [ 2449.364881] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2449.385617] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2449.424359] which requires 64 byte alignment [ 2449.441087] CPU: 2 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2449.462477] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2449.502690] 00000000ffffffff 00000000b1a89c60 ffff88005c9df3d8 ffffffffb26ec5cc [ 2449.527953] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2449.554646] ffffffff00000010 ffff88005c9df400 ffff88005c9df3b0 ffffffffb363c3e0 [ 2449.582891] Call Trace: [ 2449.592321] [] dump_stack+0xd7/0x132 [ 2449.610729] [] ? arch_local_irq_restore+0x1b/0x1b [ 2449.628069] [] ubsan_epilogue+0x12/0x53 [ 2449.653123] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2449.677262] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2449.703317] [] ext4_es_free_extent+0x444/0x4d0 [ 2449.745541] [] ? ext4_test_inode_state.constprop.3+0x48/0x48 [ 2449.785037] [] ? ext4_es_can_be_merged+0x2d3/0x2e4 [ 2449.947759] [] __es_insert_extent+0x5cc/0xb3d [ 2449.969106] [] ext4_es_insert_extent+0x259/0x413 [ 2449.989667] [] ? ext4_es_find_delayed_extent_range+0x60f/0x60f [ 2450.019970] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2450.044248] [] ? down_read+0x96/0x101 [ 2450.070917] [] ? down_write_killable+0xfb/0xfb [ 2450.098633] [] ext4_map_blocks+0x6b2/0xef8 [ 2450.122191] [] ? ext4_issue_zeroout+0x182/0x182 [ 2450.147637] [] ext4_mpage_readpages+0x7c7/0x11a5 [ 2450.174857] [] ? mpage_end_io+0x233/0x233 [ 2450.203483] [] ? __radix_tree_insert+0x305/0x305 [ 2450.228280] [] ext4_readpages+0x63/0x77 [ 2450.265093] [] ? ext4_invalidatepage+0x207/0x207 [ 2450.313048] [] __do_page_cache_readahead+0x39b/0x51f [ 2450.352774] [] ? read_cache_pages+0x234/0x234 [ 2450.378787] [] ? pagecache_get_page+0x27e/0x28e [ 2450.401519] [] filemap_fault+0x86e/0xc08 [ 2450.425303] [] ? filemap_fault+0x86e/0xc08 [ 2450.451174] [] ext4_filemap_fault+0x86/0x9c [ 2450.473108] [] ? __do_fault+0x21d/0x35e [ 2450.492433] [] __do_fault+0x228/0x35e [ 2450.512243] [] ? print_bad_pte+0x48f/0x48f [ 2450.534993] [] ? compound_head+0x4e/0x56 [ 2450.559883] [] handle_mm_fault+0x115a/0x2102 [ 2450.580277] [] ? apply_to_page_range+0x3d6/0x3d6 [ 2450.604379] [] ? up_write+0x8c/0xd9 [ 2450.625317] [] ? down_write_trylock+0x100/0x100 [ 2450.653421] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2450.685395] [] __do_page_fault+0x4bf/0x96b [ 2450.723195] [] trace_do_page_fault+0xb0/0x1f8 [ 2450.759453] [] do_async_page_fault+0x31/0x63 [ 2450.796056] [] async_page_fault+0x28/0x30 [ 2450.824766] ================================================================================ [ 2450.935708] ================================================================================ [ 2450.965054] UBSAN: Undefined behaviour in fs/stat.c:23:25 [ 2450.984632] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2451.018817] which requires 64 byte alignment [ 2451.032344] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2451.055659] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2451.092803] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc70 ffffffffb26ec5cc [ 2451.120112] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2451.151887] 0000000000000010 ffff88005c9dfc98 ffff88005c9dfc48 ffffffffb363c3e0 [ 2451.180926] Call Trace: [ 2451.190344] [] dump_stack+0xd7/0x132 [ 2451.208282] [] ? arch_local_irq_restore+0x1b/0x1b [ 2451.230369] [] ubsan_epilogue+0x12/0x53 [ 2451.254116] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2451.285456] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2451.312037] [] ? common_perm+0x83/0x92 [ 2451.345479] [] ? ext4_write_inode+0x3ec/0x3ec [ 2451.387621] [] generic_fillattr+0x60/0x4a9 [ 2451.416378] [] ext4_getattr+0x52/0x269 [ 2451.438090] [] ? vfs_getattr_nosec+0x11b/0x154 [ 2451.456096] [] ? ext4_write_inode+0x3ec/0x3ec [ 2451.478787] [] vfs_getattr_nosec+0x128/0x154 [ 2451.500964] [] vfs_getattr+0x34/0x45 [ 2451.519285] [] ? __fget_light+0xb3/0xf0 [ 2451.534639] [] vfs_fstat+0x47/0x6e [ 2451.555014] [] SYSC_newfstat+0x83/0xe7 [ 2451.571427] [] ? SYSC_newfstatat+0x10c/0x10c [ 2451.591733] [] ? do_sys_open+0x26c/0x342 [ 2451.609467] [] ? filp_open+0x68/0x68 [ 2451.628868] [] SyS_newfstat+0x27/0x29 [ 2451.647414] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2451.673358] ================================================================================ [ 2451.708860] ================================================================================ [ 2451.741169] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2451.756325] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2451.788372] which requires 64 byte alignment [ 2451.802008] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2451.820303] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2451.894303] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfca8 ffffffffb26ec5cc [ 2451.922074] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2451.979408] ffff880000000010 ffff88005c9dfcd0 ffff88005c9dfc80 ffffffffb363c3e0 [ 2452.384017] Call Trace: [ 2452.445909] [] dump_stack+0xd7/0x132 [ 2452.528147] [] ? arch_local_irq_restore+0x1b/0x1b [ 2452.631450] [] ubsan_epilogue+0x12/0x53 [ 2452.698491] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2452.745795] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2452.777756] [] ext4_getattr+0x156/0x269 [ 2452.821977] [] ? ext4_write_inode+0x3ec/0x3ec [ 2452.843068] [] vfs_getattr_nosec+0x128/0x154 [ 2452.861084] [] vfs_getattr+0x34/0x45 [ 2452.882307] [] ? __fget_light+0xb3/0xf0 [ 2452.901232] [] vfs_fstat+0x47/0x6e [ 2452.921172] [] SYSC_newfstat+0x83/0xe7 [ 2452.943195] [] ? SYSC_newfstatat+0x10c/0x10c [ 2452.963351] [] SyS_newfstat+0x27/0x29 [ 2452.995432] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2453.116430] ================================================================================ [ 2453.155562] ================================================================================ [ 2453.197357] UBSAN: Undefined behaviour in fs/ext4/inode.c:5264:20 [ 2453.261038] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2453.306725] which requires 64 byte alignment [ 2453.320315] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2453.346318] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2453.382334] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfca8 ffffffffb26ec5cc [ 2453.416332] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2453.446610] ffffffff00000010 ffff88005c9dfcd0 ffff88005c9dfc80 ffffffffb363c3e0 [ 2453.481112] Call Trace: [ 2453.494478] [] dump_stack+0xd7/0x132 [ 2453.519372] [] ? arch_local_irq_restore+0x1b/0x1b [ 2453.560925] [] ubsan_epilogue+0x12/0x53 [ 2453.577603] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2453.607712] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2453.636757] [] ext4_getattr+0x183/0x269 [ 2453.662411] [] ? ext4_write_inode+0x3ec/0x3ec [ 2453.688392] [] vfs_getattr_nosec+0x128/0x154 [ 2453.716829] [] vfs_getattr+0x34/0x45 [ 2453.737032] [] ? __fget_light+0xb3/0xf0 [ 2453.761013] [] vfs_fstat+0x47/0x6e [ 2453.782358] [] SYSC_newfstat+0x83/0xe7 [ 2453.803830] [] ? SYSC_newfstatat+0x10c/0x10c [ 2453.834107] [] SyS_newfstat+0x27/0x29 [ 2453.857663] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2453.893748] ================================================================================ [ 2453.928953] ================================================================================ [ 2453.967128] UBSAN: Undefined behaviour in fs/ext4/inode.c:5266:49 [ 2453.990740] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2454.019425] which requires 64 byte alignment [ 2454.036933] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2454.057793] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2454.098623] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfca8 ffffffffb26ec5cc [ 2454.128730] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2454.165389] ffffffff00000010 ffff88005c9dfcd0 ffff88005c9dfc80 ffffffffb363c3e0 [ 2454.204216] Call Trace: [ 2454.213224] [] dump_stack+0xd7/0x132 [ 2454.233594] [] ? arch_local_irq_restore+0x1b/0x1b [ 2454.258450] [] ubsan_epilogue+0x12/0x53 [ 2454.280213] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2454.313994] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2454.341561] [] ext4_getattr+0x1f9/0x269 [ 2454.364860] [] ? ext4_write_inode+0x3ec/0x3ec [ 2454.401809] [] vfs_getattr_nosec+0x128/0x154 [ 2454.469157] [] vfs_getattr+0x34/0x45 [ 2454.495153] [] ? __fget_light+0xb3/0xf0 [ 2454.517235] [] vfs_fstat+0x47/0x6e [ 2454.553688] [] SYSC_newfstat+0x83/0xe7 [ 2454.582444] [] ? SYSC_newfstatat+0x10c/0x10c [ 2454.631699] [] SyS_newfstat+0x27/0x29 [ 2454.722460] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2454.782614] ================================================================================ [ 2454.958973] ================================================================================ [ 2455.062384] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 2455.089344] load of misaligned address ffffffffb77ce774 for type 'volatile const long unsigned int' [ 2455.129166] which requires 8 byte alignment [ 2455.144511] CPU: 2 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2455.163712] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2455.202566] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd78 ffffffffb26ec5cc [ 2455.247429] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2455.278757] 0000000000000010 ffff88005c9dfda0 ffff88005c9dfd50 ffffffffb363c3e0 [ 2455.315144] Call Trace: [ 2455.325546] [] dump_stack+0xd7/0x132 [ 2455.346373] [] ? arch_local_irq_restore+0x1b/0x1b [ 2455.376520] [] ubsan_epilogue+0x12/0x53 [ 2455.400054] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2455.427171] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2455.484191] [] do_mprotect_pkey+0x4c0/0x7b1 [ 2455.526511] [] ? mprotect_fixup+0x4b1/0x4b1 [ 2455.566660] [] ? find_mergeable_anon_vma+0xb2/0xb2 [ 2455.619896] [] SyS_mprotect+0x32/0x36 [ 2455.652302] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2455.699913] ================================================================================ [ 2456.783280] ================================================================================ [ 2456.854623] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2456.889389] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2456.929880] which requires 64 byte alignment [ 2456.946384] CPU: 2 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2456.967369] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2457.011258] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd38 ffffffffb26ec5cc [ 2457.044120] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2457.075625] ffff880000000010 ffff88005c9dfd60 ffff88005c9dfd10 ffffffffb363c3e0 [ 2457.124756] Call Trace: [ 2457.138323] [] dump_stack+0xd7/0x132 [ 2457.174162] [] ? arch_local_irq_restore+0x1b/0x1b [ 2457.213066] [] ubsan_epilogue+0x12/0x53 [ 2457.238867] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2457.266902] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2457.313164] [] ? locks_remove_file+0x25f/0x29b [ 2457.350065] [] ? fcntl_setlk+0x9b0/0x9b0 [ 2457.372639] [] ? ext4_file_write_iter+0xd10/0xd10 [ 2457.398319] [] ext4_release_file+0x176/0x260 [ 2457.418760] [] __fput+0x38b/0x68b [ 2457.443533] [] ____fput+0x1c/0x1e [ 2457.466012] [] task_work_run+0x11e/0x140 [ 2457.494052] [] prepare_exit_to_usermode+0x177/0x1d9 [ 2457.521124] [] syscall_return_slowpath+0x1b4/0x247 [ 2457.586059] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 2457.623579] ================================================================================ [ 2457.665172] ================================================================================ [ 2457.713855] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1759:1 [ 2457.740747] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2457.787637] which requires 64 byte alignment [ 2457.806629] CPU: 2 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2457.832065] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2457.875056] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfd38 ffffffffb26ec5cc [ 2457.906647] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2457.933643] ffffffff00000010 ffff88005c9dfd60 ffff88005c9dfd10 ffffffffb363c3e0 [ 2457.964020] Call Trace: [ 2457.973643] [] dump_stack+0xd7/0x132 [ 2457.995666] [] ? arch_local_irq_restore+0x1b/0x1b [ 2458.131065] [] ubsan_epilogue+0x12/0x53 [ 2458.152072] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2458.172383] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2458.194767] [] ? locks_remove_file+0x25f/0x29b [ 2458.226046] [] ? fcntl_setlk+0x9b0/0x9b0 [ 2458.247788] [] ? ext4_file_write_iter+0xd10/0xd10 [ 2458.271653] [] ext4_release_file+0x1a3/0x260 [ 2458.295572] [] __fput+0x38b/0x68b [ 2458.321404] [] ____fput+0x1c/0x1e [ 2458.341032] [] task_work_run+0x11e/0x140 [ 2458.359828] [] prepare_exit_to_usermode+0x177/0x1d9 [ 2458.384863] [] syscall_return_slowpath+0x1b4/0x247 [ 2458.407956] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 2458.427989] ================================================================================ [ 2458.754805] ================================================================================ [ 2458.801509] UBSAN: Undefined behaviour in mm/migrate.c:1321:3 [ 2458.828650] member access within misaligned address ffff88005c9dfc08 for type 'struct page' [ 2458.869769] which requires 16 byte alignment [ 2458.891380] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2458.919427] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2458.967734] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa10 ffffffffb26ec5cc [ 2458.999446] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2459.034529] ffffffff00000010 ffff88005c9dfa38 ffff88005c9df9e8 ffffffffb363c3e0 [ 2459.070547] Call Trace: [ 2459.081604] [] dump_stack+0xd7/0x132 [ 2459.105891] [] ? arch_local_irq_restore+0x1b/0x1b [ 2459.137054] [] ubsan_epilogue+0x12/0x53 [ 2459.154871] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2459.191307] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2459.222659] [] migrate_pages+0xdd3/0x1046 [ 2459.246053] [] ? buffer_migrate_lock_buffers+0x146/0x146 [ 2459.280364] [] ? migrate_huge_page_move_mapping+0x3ce/0x3ce [ 2459.309578] [] migrate_misplaced_page+0x16e/0x250 [ 2459.333181] [] ? pmd_trans_migrating+0x94/0x94 [ 2459.358276] [] ? mpol_misplaced+0x46a/0x47c [ 2459.383394] [] handle_mm_fault+0x20ac/0x2102 [ 2459.451755] [] ? apply_to_page_range+0x3d6/0x3d6 [ 2459.477470] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2459.508526] [] ? __list_add+0x211/0x249 [ 2459.531440] [] ? assoc_array_gc+0x12e7/0x12e7 [ 2459.551924] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2459.597593] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2459.636604] [] __do_page_fault+0x4bf/0x96b [ 2459.663858] [] trace_do_page_fault+0xb0/0x1f8 [ 2459.689029] [] do_async_page_fault+0x31/0x63 [ 2459.715233] [] async_page_fault+0x28/0x30 [ 2459.737813] ================================================================================ [ 2459.889239] ================================================================================ [ 2459.921478] UBSAN: Undefined behaviour in fs/statfs.c:53:19 [ 2459.940394] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2459.967381] which requires 64 byte alignment [ 2459.981561] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2459.997857] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2460.029375] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc80 ffffffffb26ec5cc [ 2460.054030] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2460.086182] ffffffff00000010 ffff88005c9dfca8 ffff88005c9dfc58 ffffffffb363c3e0 [ 2460.113875] Call Trace: [ 2460.122177] [] dump_stack+0xd7/0x132 [ 2460.139993] [] ? arch_local_irq_restore+0x1b/0x1b [ 2460.159212] [] ubsan_epilogue+0x12/0x53 [ 2460.179241] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2460.201714] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2460.227770] [] statfs_by_dentry+0x63/0x1db [ 2460.246301] [] vfs_statfs+0x4b/0x1e1 [ 2460.262261] [] user_statfs+0xa4/0x105 [ 2460.277597] [] ? vfs_statfs+0x1e1/0x1e1 [ 2460.293846] [] SYSC_statfs+0x85/0xe9 [ 2460.311436] [] ? user_statfs+0x105/0x105 [ 2460.327487] [] ? __do_page_fault+0x6d3/0x96b [ 2460.355072] [] SyS_statfs+0x27/0x29 [ 2460.382864] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2460.405207] ================================================================================ [ 2460.432748] ================================================================================ [ 2460.466060] UBSAN: Undefined behaviour in fs/statfs.c:60:23 [ 2460.486478] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2460.517247] which requires 64 byte alignment [ 2460.531801] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2460.549076] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2460.584568] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc80 ffffffffb26ec5cc [ 2460.610488] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2460.635349] ffff880000000010 ffff88005c9dfca8 ffff88005c9dfc58 ffffffffb363c3e0 [ 2460.663200] Call Trace: [ 2460.669860] [] dump_stack+0xd7/0x132 [ 2460.686037] [] ? arch_local_irq_restore+0x1b/0x1b [ 2460.709058] [] ubsan_epilogue+0x12/0x53 [ 2460.730428] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2460.759489] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2460.784167] [] statfs_by_dentry+0x111/0x1db [ 2460.804688] [] vfs_statfs+0x4b/0x1e1 [ 2460.824235] [] user_statfs+0xa4/0x105 [ 2460.842339] [] ? vfs_statfs+0x1e1/0x1e1 [ 2460.864936] [] SYSC_statfs+0x85/0xe9 [ 2460.883210] [] ? user_statfs+0x105/0x105 [ 2460.900189] [] SyS_statfs+0x27/0x29 [ 2460.918364] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2460.942666] ================================================================================ [ 2460.970033] ================================================================================ [ 2460.998469] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2461.017633] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2461.050090] which requires 64 byte alignment [ 2461.064673] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2461.088672] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2461.125079] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc28 ffffffffb26ec5cc [ 2461.150758] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2461.177800] 0000000000000010 ffff88005c9dfc50 ffff88005c9dfc00 ffffffffb363c3e0 [ 2461.208893] Call Trace: [ 2461.217924] [] dump_stack+0xd7/0x132 [ 2461.241170] [] ? arch_local_irq_restore+0x1b/0x1b [ 2461.265275] [] ubsan_epilogue+0x12/0x53 [ 2461.284126] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2461.310434] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2461.333257] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2461.362632] [] ext4_statfs+0x6e/0xc10 [ 2461.381562] [] statfs_by_dentry+0x14b/0x1db [ 2461.400540] [] vfs_statfs+0x4b/0x1e1 [ 2461.421565] [] user_statfs+0xa4/0x105 [ 2461.438005] [] ? vfs_statfs+0x1e1/0x1e1 [ 2461.458571] [] SYSC_statfs+0x85/0xe9 [ 2461.475781] [] ? user_statfs+0x105/0x105 [ 2461.497049] [] SyS_statfs+0x27/0x29 [ 2461.516357] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2461.544657] ================================================================================ [ 2461.575269] ================================================================================ [ 2461.608858] UBSAN: Undefined behaviour in fs/ext4/super.c:5054:27 [ 2461.632188] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2461.664783] which requires 64 byte alignment [ 2461.680728] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2461.694931] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2461.733440] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc28 ffffffffb26ec5cc [ 2461.762819] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2461.794616] ffffffff00000010 ffff88005c9dfc50 ffff88005c9dfc00 ffffffffb363c3e0 [ 2461.819503] Call Trace: [ 2461.827580] [] dump_stack+0xd7/0x132 [ 2461.848689] [] ? arch_local_irq_restore+0x1b/0x1b [ 2461.871412] [] ubsan_epilogue+0x12/0x53 [ 2461.890275] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2461.914418] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2461.944993] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2461.969202] [] ext4_statfs+0xa2/0xc10 [ 2461.988246] [] statfs_by_dentry+0x14b/0x1db [ 2462.014225] [] vfs_statfs+0x4b/0x1e1 [ 2462.031786] [] user_statfs+0xa4/0x105 [ 2462.052395] [] ? vfs_statfs+0x1e1/0x1e1 [ 2462.070167] [] SYSC_statfs+0x85/0xe9 [ 2462.093760] [] ? user_statfs+0x105/0x105 [ 2462.123118] [] SyS_statfs+0x27/0x29 [ 2462.145846] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2462.170423] ================================================================================ [ 2462.201733] ================================================================================ [ 2462.234083] UBSAN: Undefined behaviour in fs/ext4/super.c:5058:16 [ 2462.259002] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2462.289400] which requires 64 byte alignment [ 2462.309632] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2462.326408] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2462.363995] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc28 ffffffffb26ec5cc [ 2462.392652] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2462.421874] ffffffff00000010 ffff88005c9dfc50 ffff88005c9dfc00 ffffffffb363c3e0 [ 2462.450428] Call Trace: [ 2462.464526] [] dump_stack+0xd7/0x132 [ 2462.479356] [] ? arch_local_irq_restore+0x1b/0x1b [ 2462.502894] [] ubsan_epilogue+0x12/0x53 [ 2462.519667] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2462.546545] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2462.572786] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2462.601625] [] ext4_statfs+0xfd/0xc10 [ 2462.623039] [] statfs_by_dentry+0x14b/0x1db [ 2462.647180] [] vfs_statfs+0x4b/0x1e1 [ 2462.663533] [] user_statfs+0xa4/0x105 [ 2462.684604] [] ? vfs_statfs+0x1e1/0x1e1 [ 2462.702359] [] SYSC_statfs+0x85/0xe9 [ 2462.721680] [] ? user_statfs+0x105/0x105 [ 2462.748358] [] SyS_statfs+0x27/0x29 [ 2462.766704] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2462.789270] ================================================================================ [ 2462.822458] ================================================================================ [ 2462.852562] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2462.878111] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2462.909259] which requires 64 byte alignment [ 2462.927702] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2462.946744] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2462.981631] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc28 ffffffffb26ec5cc [ 2463.010655] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2463.034702] ffffffff00000010 ffff88005c9dfc50 ffff88005c9dfc00 ffffffffb363c3e0 [ 2463.065397] Call Trace: [ 2463.073878] [] dump_stack+0xd7/0x132 [ 2463.099303] [] ? arch_local_irq_restore+0x1b/0x1b [ 2463.123443] [] ubsan_epilogue+0x12/0x53 [ 2463.149308] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2463.175862] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2463.203616] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2463.230711] [] ext4_statfs+0x15c/0xc10 [ 2463.249421] [] statfs_by_dentry+0x14b/0x1db [ 2463.269414] [] vfs_statfs+0x4b/0x1e1 [ 2463.289408] [] user_statfs+0xa4/0x105 [ 2463.309563] [] ? vfs_statfs+0x1e1/0x1e1 [ 2463.331865] [] SYSC_statfs+0x85/0xe9 [ 2463.349992] [] ? user_statfs+0x105/0x105 [ 2463.376770] [] SyS_statfs+0x27/0x29 [ 2463.398252] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2463.419274] ================================================================================ [ 2463.451399] ================================================================================ [ 2463.486454] UBSAN: Undefined behaviour in fs/ext4/super.c:5060:7 [ 2463.512842] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2463.551258] which requires 64 byte alignment [ 2463.568307] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2463.623577] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2463.743364] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc28 ffffffffb26ec5cc [ 2463.824372] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2463.854606] ffffffff00000010 ffff88005c9dfc50 ffff88005c9dfc00 ffffffffb363c3e0 [ 2463.891593] Call Trace: [ 2463.903846] [] dump_stack+0xd7/0x132 [ 2463.930258] [] ? arch_local_irq_restore+0x1b/0x1b [ 2463.953968] [] ubsan_epilogue+0x12/0x53 [ 2463.975442] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2463.999449] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2464.030640] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2464.053082] [] ext4_statfs+0x18b/0xc10 [ 2464.072030] [] statfs_by_dentry+0x14b/0x1db [ 2464.098000] [] vfs_statfs+0x4b/0x1e1 [ 2464.118163] [] user_statfs+0xa4/0x105 [ 2464.135247] [] ? vfs_statfs+0x1e1/0x1e1 [ 2464.154564] [] SYSC_statfs+0x85/0xe9 [ 2464.174639] [] ? user_statfs+0x105/0x105 [ 2464.195225] [] SyS_statfs+0x27/0x29 [ 2464.214347] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2464.239132] ================================================================================ [ 2464.271581] ================================================================================ [ 2464.297990] UBSAN: Undefined behaviour in fs/ext4/super.c:5061:12 [ 2464.322228] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2464.355828] which requires 64 byte alignment [ 2464.370861] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2464.390873] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2464.429034] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc28 ffffffffb26ec5cc [ 2464.459047] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2464.487319] ffffffff00000010 ffff88005c9dfc50 ffff88005c9dfc00 ffffffffb363c3e0 [ 2464.519282] Call Trace: [ 2464.527622] [] dump_stack+0xd7/0x132 [ 2464.553394] [] ? arch_local_irq_restore+0x1b/0x1b [ 2464.589993] [] ubsan_epilogue+0x12/0x53 [ 2464.630412] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2464.673721] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2464.714260] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2464.741419] [] ext4_statfs+0x1c8/0xc10 [ 2464.762927] [] statfs_by_dentry+0x14b/0x1db [ 2464.786552] [] vfs_statfs+0x4b/0x1e1 [ 2464.802713] [] user_statfs+0xa4/0x105 [ 2464.820469] [] ? vfs_statfs+0x1e1/0x1e1 [ 2464.839406] [] SYSC_statfs+0x85/0xe9 [ 2464.854636] [] ? user_statfs+0x105/0x105 [ 2464.875420] [] SyS_statfs+0x27/0x29 [ 2464.895036] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2464.918134] ================================================================================ [ 2464.952016] ================================================================================ [ 2464.983626] UBSAN: Undefined behaviour in fs/ext4/super.c:5064:19 [ 2465.007314] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2465.043658] which requires 64 byte alignment [ 2465.059010] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2465.078136] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2465.126229] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc28 ffffffffb26ec5cc [ 2465.166174] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2465.203867] ffffffff00000010 ffff88005c9dfc50 ffff88005c9dfc00 ffffffffb363c3e0 [ 2465.238271] Call Trace: [ 2465.247406] [] dump_stack+0xd7/0x132 [ 2465.268153] [] ? arch_local_irq_restore+0x1b/0x1b [ 2465.292385] [] ubsan_epilogue+0x12/0x53 [ 2465.315691] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2465.340525] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2465.373180] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2465.397516] [] ext4_statfs+0x21c/0xc10 [ 2465.418021] [] statfs_by_dentry+0x14b/0x1db [ 2465.438038] [] vfs_statfs+0x4b/0x1e1 [ 2465.454935] [] user_statfs+0xa4/0x105 [ 2465.472072] [] ? vfs_statfs+0x1e1/0x1e1 [ 2465.491280] [] SYSC_statfs+0x85/0xe9 [ 2465.513819] [] ? user_statfs+0x105/0x105 [ 2465.534537] [] SyS_statfs+0x27/0x29 [ 2465.553934] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2465.580158] ================================================================================ [ 2465.621448] ================================================================================ [ 2465.654773] UBSAN: Undefined behaviour in fs/ext4/super.c:5065:42 [ 2465.685375] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2465.713061] which requires 64 byte alignment [ 2465.729538] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2465.745655] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2465.774590] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc28 ffffffffb26ec5cc [ 2465.800532] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2465.824367] ffffffff00000010 ffff88005c9dfc50 ffff88005c9dfc00 ffffffffb363c3e0 [ 2465.848269] Call Trace: [ 2465.856112] [] dump_stack+0xd7/0x132 [ 2465.873690] [] ? arch_local_irq_restore+0x1b/0x1b [ 2465.895205] [] ubsan_epilogue+0x12/0x53 [ 2465.913376] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2465.935684] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2465.958565] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2465.984716] [] ext4_statfs+0x271/0xc10 [ 2466.001766] [] statfs_by_dentry+0x14b/0x1db [ 2466.021506] [] vfs_statfs+0x4b/0x1e1 [ 2466.039493] [] user_statfs+0xa4/0x105 [ 2466.053652] [] ? vfs_statfs+0x1e1/0x1e1 [ 2466.072939] [] SYSC_statfs+0x85/0xe9 [ 2466.090696] [] ? user_statfs+0x105/0x105 [ 2466.110309] [] SyS_statfs+0x27/0x29 [ 2466.126020] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2466.149944] ================================================================================ [ 2466.175690] ================================================================================ [ 2466.204641] UBSAN: Undefined behaviour in fs/ext4/super.c:5069:17 [ 2466.226297] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2466.254277] which requires 64 byte alignment [ 2466.267198] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2466.293513] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2466.323850] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc28 ffffffffb26ec5cc [ 2466.348415] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2466.371910] ffffffff00000010 ffff88005c9dfc50 ffff88005c9dfc00 ffffffffb363c3e0 [ 2466.397309] Call Trace: [ 2466.406668] [] dump_stack+0xd7/0x132 [ 2466.422798] [] ? arch_local_irq_restore+0x1b/0x1b [ 2466.447951] [] ubsan_epilogue+0x12/0x53 [ 2466.465813] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2466.486404] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2466.510598] [] ? __percpu_counter_sum+0x19d/0x1af [ 2466.530320] [] ext4_statfs+0x38b/0xc10 [ 2466.547782] [] statfs_by_dentry+0x14b/0x1db [ 2466.565565] [] vfs_statfs+0x4b/0x1e1 [ 2466.584334] [] user_statfs+0xa4/0x105 [ 2466.604227] [] ? vfs_statfs+0x1e1/0x1e1 [ 2466.624608] [] SYSC_statfs+0x85/0xe9 [ 2466.641011] [] ? user_statfs+0x105/0x105 [ 2466.666284] [] SyS_statfs+0x27/0x29 [ 2466.683604] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2466.705596] ================================================================================ [ 2466.732057] ================================================================================ [ 2466.761943] UBSAN: Undefined behaviour in fs/statfs.c:46:26 [ 2466.780446] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2466.808879] which requires 64 byte alignment [ 2466.822945] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2466.841207] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2466.872163] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfcb8 ffffffffb26ec5cc [ 2466.898141] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2466.925076] ffffffff00000010 ffff88005c9dfce0 ffff88005c9dfc90 ffffffffb363c3e0 [ 2466.951649] Call Trace: [ 2466.960113] [] dump_stack+0xd7/0x132 [ 2466.981724] [] ? arch_local_irq_restore+0x1b/0x1b [ 2467.001769] [] ubsan_epilogue+0x12/0x53 [ 2467.017469] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2467.041283] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2467.063464] [] vfs_statfs+0x169/0x1e1 [ 2467.086399] [] user_statfs+0xa4/0x105 [ 2467.102985] [] ? vfs_statfs+0x1e1/0x1e1 [ 2467.124627] [] SYSC_statfs+0x85/0xe9 [ 2467.138204] [] ? user_statfs+0x105/0x105 [ 2467.156628] [] SyS_statfs+0x27/0x29 [ 2467.172085] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2467.193666] ================================================================================ [ 2467.392785] ================================================================================ [ 2467.437265] UBSAN: Undefined behaviour in fs/super.c:959:11 [ 2467.456676] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 2467.486338] which requires 64 byte alignment [ 2467.499953] CPU: 2 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2467.519133] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2467.552816] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa88 ffffffffb26ec5cc [ 2467.583269] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2467.608503] 000ffbf000000010 ffff88005c9dfab0 ffff88005c9dfa60 ffffffffb363c3e0 [ 2467.634311] Call Trace: [ 2467.643120] [] dump_stack+0xd7/0x132 [ 2467.662764] [] ? arch_local_irq_restore+0x1b/0x1b [ 2467.684685] [] ubsan_epilogue+0x12/0x53 [ 2467.702091] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2467.726952] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2467.753854] [] ns_test_super+0x30/0x4d [ 2467.772111] [] sget_userns+0x81f/0xcbc [ 2467.788895] [] ? set_anon_super+0x1e/0x1e [ 2467.808398] [] ? sb_freeze_unlock+0x57/0x57 [ 2467.831642] [] ? aa_put_label+0x24/0x27 [ 2467.848450] [] ? get_super_thawed+0x211/0x211 [ 2467.867715] [] ? security_capable+0xaa/0xb9 [ 2467.885263] [] ? ns_capable_common+0x149/0x153 [ 2467.908484] [] ? proc_get_inode+0x5e6/0x5e6 [ 2467.929587] [] mount_ns+0x54/0x18b [ 2467.960985] [] proc_mount+0x8c/0x95 [ 2468.008077] [] mount_fs+0xd0/0x2ca [ 2468.047088] [] vfs_kern_mount+0xa0/0x20a [ 2468.069801] [] do_mount+0x11fe/0x19df [ 2468.087509] [] ? kasan_kmalloc+0x94/0xa3 [ 2468.108047] [] ? copy_mount_string+0x3d/0x3d [ 2468.126764] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2468.148819] [] ? __check_object_size+0x1e1/0x2b8 [ 2468.173421] [] ? 0xffffffffb1c002b8 [ 2468.189822] [] ? copy_mount_options+0x23d/0x24d [ 2468.209275] [] SyS_mount+0xa3/0xda [ 2468.225659] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2468.250056] ================================================================================ [ 2468.434747] ================================================================================ [ 2468.488296] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2468.511073] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2468.541680] which requires 64 byte alignment [ 2468.561903] CPU: 2 PID: 169 Comm: modprobe Not tainted 4.8.11 #1 [ 2468.586013] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2468.614956] 00000000ffffffff 0000000034eecf06 ffff8800a09c7b40 ffffffffb26ec5cc [ 2468.642426] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2468.670638] ffffffff00000010 ffff8800a09c7b68 ffff8800a09c7b18 ffffffffb363c3e0 [ 2468.701713] Call Trace: [ 2468.708424] [] dump_stack+0xd7/0x132 [ 2468.727647] [] ? arch_local_irq_restore+0x1b/0x1b [ 2468.834855] [] ubsan_epilogue+0x12/0x53 [ 2468.863543] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2468.889663] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2468.924465] [] ? compound_head+0x30/0x46 [ 2468.955809] [] ? mem_cgroup_charge_statistics+0x159/0x1a5 [ 2468.989300] [] is_dx_dir+0x71/0x1d2 [ 2469.017880] [] ext4_readdir+0x13b/0x207f [ 2469.042771] [] ? native_set_pte_at+0x3d/0x46 [ 2469.071962] [] ? fsnotify+0x920/0xa6a [ 2469.088430] [] ? __ext4_check_dir_entry+0x410/0x410 [ 2469.111905] [] ? __fsnotify_inode_delete+0x28/0x28 [ 2469.137979] [] ? __fsnotify_parent+0x229/0x238 [ 2469.163566] [] ? down_read+0xc7/0x101 [ 2469.186704] [] ? down_write_killable+0xfb/0xfb [ 2469.207645] [] iterate_dir+0x252/0x45f [ 2469.242700] [] SyS_getdents+0x139/0x1e6 [ 2469.306806] [] ? SyS_old_readdir+0x149/0x149 [ 2469.374786] [] ? filldir64+0x311/0x311 [ 2469.431084] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2469.526909] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2469.555557] ================================================================================ [ 2469.588052] ================================================================================ [ 2469.681719] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1759:1 [ 2469.713717] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2469.749997] which requires 64 byte alignment [ 2469.765223] CPU: 2 PID: 169 Comm: modprobe Not tainted 4.8.11 #1 [ 2469.786927] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2469.827354] 00000000ffffffff 0000000034eecf06 ffff8800a09c7b40 ffffffffb26ec5cc [ 2469.853715] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2469.879833] ffff880000000010 ffff8800a09c7b68 ffff8800a09c7b18 ffffffffb363c3e0 [ 2469.907012] Call Trace: [ 2469.918315] [] dump_stack+0xd7/0x132 [ 2469.938063] [] ? arch_local_irq_restore+0x1b/0x1b [ 2469.960012] [] ubsan_epilogue+0x12/0x53 [ 2469.986756] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2470.033939] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2470.060430] [] ? compound_head+0x30/0x46 [ 2470.087174] [] ? mem_cgroup_charge_statistics+0x159/0x1a5 [ 2470.114120] [] is_dx_dir+0xa0/0x1d2 [ 2470.136546] [] ext4_readdir+0x13b/0x207f [ 2470.158390] [] ? native_set_pte_at+0x3d/0x46 [ 2470.191399] [] ? fsnotify+0x920/0xa6a [ 2470.256543] [] ? __ext4_check_dir_entry+0x410/0x410 [ 2470.299794] [] ? __fsnotify_inode_delete+0x28/0x28 [ 2470.333124] [] ? __fsnotify_parent+0x229/0x238 [ 2470.355965] [] ? down_read+0xc7/0x101 [ 2470.374466] [] ? down_write_killable+0xfb/0xfb [ 2470.402600] [] iterate_dir+0x252/0x45f [ 2470.421421] [] SyS_getdents+0x139/0x1e6 [ 2470.439562] [] ? SyS_old_readdir+0x149/0x149 [ 2470.458843] [] ? filldir64+0x311/0x311 [ 2470.483936] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2470.507407] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2470.535283] ================================================================================ [ 2470.574824] ================================================================================ [ 2470.611436] UBSAN: Undefined behaviour in fs/ext4/dir.c:45:28 [ 2470.633078] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2470.675882] which requires 64 byte alignment [ 2470.707677] CPU: 2 PID: 169 Comm: modprobe Not tainted 4.8.11 #1 [ 2470.759356] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2470.850434] 00000000ffffffff 0000000034eecf06 ffff8800a09c7b40 ffffffffb26ec5cc [ 2470.890772] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2470.947177] ffff880000000010 ffff8800a09c7b68 ffff8800a09c7b18 ffffffffb363c3e0 [ 2470.992162] Call Trace: [ 2471.003249] [] dump_stack+0xd7/0x132 [ 2471.038093] [] ? arch_local_irq_restore+0x1b/0x1b [ 2471.075605] [] ubsan_epilogue+0x12/0x53 [ 2471.104462] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2471.143417] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2471.174513] [] ? compound_head+0x30/0x46 [ 2471.200026] [] ? mem_cgroup_charge_statistics+0x159/0x1a5 [ 2471.235672] [] is_dx_dir+0x16a/0x1d2 [ 2471.256102] [] ext4_readdir+0x13b/0x207f [ 2471.283542] [] ? native_set_pte_at+0x3d/0x46 [ 2471.306087] [] ? fsnotify+0x920/0xa6a [ 2471.325432] [] ? __ext4_check_dir_entry+0x410/0x410 [ 2471.353172] [] ? __fsnotify_inode_delete+0x28/0x28 [ 2471.375002] [] ? __fsnotify_parent+0x229/0x238 [ 2471.399062] [] ? down_read+0xc7/0x101 [ 2471.412634] [] ? down_write_killable+0xfb/0xfb [ 2471.435467] [] iterate_dir+0x252/0x45f [ 2471.455631] [] SyS_getdents+0x139/0x1e6 [ 2471.476668] [] ? SyS_old_readdir+0x149/0x149 [ 2471.495087] [] ? filldir64+0x311/0x311 [ 2471.514240] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2471.537644] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2471.560288] ================================================================================ [ 2471.593652] ================================================================================ [ 2471.633541] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2471.658964] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2471.700273] which requires 64 byte alignment [ 2471.723351] CPU: 2 PID: 169 Comm: modprobe Not tainted 4.8.11 #1 [ 2471.749167] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2471.800122] 00000000ffffffff 0000000034eecf06 ffff8800a09c79a0 ffffffffb26ec5cc [ 2471.836701] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2471.872468] 0000004000000010 ffff8800a09c79c8 ffff8800a09c7978 ffffffffb363c3e0 [ 2471.908461] Call Trace: [ 2471.920301] [] dump_stack+0xd7/0x132 [ 2471.945801] [] ? arch_local_irq_restore+0x1b/0x1b [ 2471.988126] [] ubsan_epilogue+0x12/0x53 [ 2472.090336] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2472.120449] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2472.154310] [] ? init_object+0x1d6/0x1e2 [ 2472.175471] [] ext4_htree_fill_tree+0x170/0x8ae [ 2472.199106] [] ? ___slab_alloc+0xb72/0xbd2 [ 2472.216505] [] ? ___slab_alloc+0xb72/0xbd2 [ 2472.234863] [] ? kzalloc.constprop.7+0x1c/0x1e [ 2472.256110] [] ? do_split+0x1070/0x1070 [ 2472.274343] [] ? kasan_poison_shadow+0x2f/0x31 [ 2472.299984] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2472.318634] [] ? kasan_poison_shadow+0x2f/0x31 [ 2472.338196] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2472.357477] [] ? kasan_kmalloc+0x94/0xa3 [ 2472.377217] [] ? __kmalloc+0x2c1/0x2e7 [ 2472.392895] [] ? kzalloc.constprop.7+0x1c/0x1e [ 2472.412979] [] ext4_readdir+0x7ae/0x207f [ 2472.432231] [] ? native_set_pte_at+0x3d/0x46 [ 2472.447895] [] ? fsnotify+0x920/0xa6a [ 2472.469102] [] ? __ext4_check_dir_entry+0x410/0x410 [ 2472.491672] [] ? __fsnotify_inode_delete+0x28/0x28 [ 2472.514172] [] ? __fsnotify_parent+0x229/0x238 [ 2472.534074] [] ? down_read+0xc7/0x101 [ 2472.550192] [] ? down_write_killable+0xfb/0xfb [ 2472.573002] [] iterate_dir+0x252/0x45f [ 2472.595271] [] SyS_getdents+0x139/0x1e6 [ 2472.616122] [] ? SyS_old_readdir+0x149/0x149 [ 2472.636919] [] ? filldir64+0x311/0x311 [ 2472.655305] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2472.689332] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2472.720002] ================================================================================ [ 2472.758843] ================================================================================ [ 2472.792951] UBSAN: Undefined behaviour in fs/ext4/namei.c:1063:42 [ 2472.816398] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2472.852266] which requires 64 byte alignment [ 2472.865312] CPU: 2 PID: 169 Comm: modprobe Not tainted 4.8.11 #1 [ 2472.885268] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2472.917050] 00000000ffffffff 0000000034eecf06 ffff8800a09c79a0 ffffffffb26ec5cc [ 2472.944801] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2472.972865] ffff880000000010 ffff8800a09c79c8 ffff8800a09c7978 ffffffffb363c3e0 [ 2473.000037] Call Trace: [ 2473.012576] [] dump_stack+0xd7/0x132 [ 2473.033686] [] ? arch_local_irq_restore+0x1b/0x1b [ 2473.055411] [] ubsan_epilogue+0x12/0x53 [ 2473.076143] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2473.101828] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2473.133627] [] ? init_object+0x1d6/0x1e2 [ 2473.152758] [] ext4_htree_fill_tree+0x19e/0x8ae [ 2473.174030] [] ? ___slab_alloc+0xb72/0xbd2 [ 2473.197931] [] ? ___slab_alloc+0xb72/0xbd2 [ 2473.220191] [] ? kzalloc.constprop.7+0x1c/0x1e [ 2473.243408] [] ? do_split+0x1070/0x1070 [ 2473.270981] [] ? kasan_poison_shadow+0x2f/0x31 [ 2473.294449] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2473.318926] [] ? kasan_poison_shadow+0x2f/0x31 [ 2473.345640] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2473.369307] [] ? kasan_kmalloc+0x94/0xa3 [ 2473.395042] [] ? __kmalloc+0x2c1/0x2e7 [ 2473.422200] [] ? kzalloc.constprop.7+0x1c/0x1e [ 2473.443424] [] ext4_readdir+0x7ae/0x207f [ 2473.467236] [] ? native_set_pte_at+0x3d/0x46 [ 2473.491034] [] ? fsnotify+0x920/0xa6a [ 2473.509128] [] ? __ext4_check_dir_entry+0x410/0x410 [ 2473.536750] [] ? __fsnotify_inode_delete+0x28/0x28 [ 2473.559126] [] ? __fsnotify_parent+0x229/0x238 [ 2473.586873] [] ? down_read+0xc7/0x101 [ 2473.608343] [] ? down_write_killable+0xfb/0xfb [ 2473.631053] [] iterate_dir+0x252/0x45f [ 2473.652077] [] SyS_getdents+0x139/0x1e6 [ 2473.674879] [] ? SyS_old_readdir+0x149/0x149 [ 2473.696285] [] ? filldir64+0x311/0x311 [ 2473.716660] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2473.740399] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2473.763341] ================================================================================ [ 2473.794553] ================================================================================ [ 2473.826281] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2473.846025] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2473.877784] which requires 64 byte alignment [ 2473.892344] CPU: 2 PID: 169 Comm: modprobe Not tainted 4.8.11 #1 [ 2473.915052] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2473.948307] 00000000ffffffff 0000000034eecf06 ffff8800a09c79a0 ffffffffb26ec5cc [ 2473.976999] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2474.008046] ffff880000000010 ffff8800a09c79c8 ffff8800a09c7978 ffffffffb363c3e0 [ 2474.032399] Call Trace: [ 2474.040160] [] dump_stack+0xd7/0x132 [ 2474.058932] [] ? arch_local_irq_restore+0x1b/0x1b [ 2474.084435] [] ubsan_epilogue+0x12/0x53 [ 2474.100853] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2474.123617] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2474.148546] [] ? init_object+0x1d6/0x1e2 [ 2474.165917] [] ext4_htree_fill_tree+0x1fb/0x8ae [ 2474.183354] [] ? ___slab_alloc+0xb72/0xbd2 [ 2474.200836] [] ? ___slab_alloc+0xb72/0xbd2 [ 2474.215548] [] ? kzalloc.constprop.7+0x1c/0x1e [ 2474.233295] [] ? do_split+0x1070/0x1070 [ 2474.249557] [] ? kasan_poison_shadow+0x2f/0x31 [ 2474.268119] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2474.286714] [] ? kasan_poison_shadow+0x2f/0x31 [ 2474.304583] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2474.327920] [] ? kasan_kmalloc+0x94/0xa3 [ 2474.342757] [] ? __kmalloc+0x2c1/0x2e7 [ 2474.358715] [] ? kzalloc.constprop.7+0x1c/0x1e [ 2474.382279] [] ext4_readdir+0x7ae/0x207f [ 2474.403015] [] ? native_set_pte_at+0x3d/0x46 [ 2474.422463] [] ? fsnotify+0x920/0xa6a [ 2474.442765] [] ? __ext4_check_dir_entry+0x410/0x410 [ 2474.462392] [] ? __fsnotify_inode_delete+0x28/0x28 [ 2474.485717] [] ? __fsnotify_parent+0x229/0x238 [ 2474.506363] [] ? down_read+0xc7/0x101 [ 2474.524422] [] ? down_write_killable+0xfb/0xfb [ 2474.544851] [] iterate_dir+0x252/0x45f [ 2474.559673] [] SyS_getdents+0x139/0x1e6 [ 2474.578135] [] ? SyS_old_readdir+0x149/0x149 [ 2474.600239] [] ? filldir64+0x311/0x311 [ 2474.616529] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2474.637526] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2474.661426] ================================================================================ [ 2474.689678] ================================================================================ [ 2474.716708] UBSAN: Undefined behaviour in fs/ext4/namei.c:1066:23 [ 2474.739634] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2474.772229] which requires 64 byte alignment [ 2474.787420] CPU: 2 PID: 169 Comm: modprobe Not tainted 4.8.11 #1 [ 2474.807133] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2474.837992] 00000000ffffffff 0000000034eecf06 ffff8800a09c79a0 ffffffffb26ec5cc [ 2474.864868] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2474.892775] ffff880000000010 ffff8800a09c79c8 ffff8800a09c7978 ffffffffb363c3e0 [ 2474.920741] Call Trace: [ 2474.931537] [] dump_stack+0xd7/0x132 [ 2474.948369] [] ? arch_local_irq_restore+0x1b/0x1b [ 2474.972448] [] ubsan_epilogue+0x12/0x53 [ 2474.992462] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2475.014600] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2475.036851] [] ? init_object+0x1d6/0x1e2 [ 2475.053550] [] ext4_htree_fill_tree+0x214/0x8ae [ 2475.074646] [] ? ___slab_alloc+0xb72/0xbd2 [ 2475.090716] [] ? ___slab_alloc+0xb72/0xbd2 [ 2475.112023] [] ? kzalloc.constprop.7+0x1c/0x1e [ 2475.130990] [] ? do_split+0x1070/0x1070 [ 2475.147994] [] ? kasan_poison_shadow+0x2f/0x31 [ 2475.166638] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2475.188862] [] ? kasan_poison_shadow+0x2f/0x31 [ 2475.212405] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2475.231748] [] ? kasan_kmalloc+0x94/0xa3 [ 2475.252489] [] ? __kmalloc+0x2c1/0x2e7 [ 2475.267268] [] ? kzalloc.constprop.7+0x1c/0x1e [ 2475.287340] [] ext4_readdir+0x7ae/0x207f [ 2475.303914] [] ? native_set_pte_at+0x3d/0x46 [ 2475.326817] [] ? fsnotify+0x920/0xa6a [ 2475.343318] [] ? __ext4_check_dir_entry+0x410/0x410 [ 2475.362514] [] ? __fsnotify_inode_delete+0x28/0x28 [ 2475.386642] [] ? __fsnotify_parent+0x229/0x238 [ 2475.404848] [] ? down_read+0xc7/0x101 [ 2475.419192] [] ? down_write_killable+0xfb/0xfb [ 2475.439631] [] iterate_dir+0x252/0x45f [ 2475.460117] [] SyS_getdents+0x139/0x1e6 [ 2475.483293] [] ? SyS_old_readdir+0x149/0x149 [ 2475.498241] [] ? filldir64+0x311/0x311 [ 2475.518304] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2475.536697] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2475.557969] ================================================================================ [ 2475.586746] ================================================================================ [ 2475.611361] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2475.630498] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2475.662753] which requires 64 byte alignment [ 2475.677641] CPU: 2 PID: 169 Comm: modprobe Not tainted 4.8.11 #1 [ 2475.694515] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2475.728836] 00000000ffffffff 0000000034eecf06 ffff8800a09c79a0 ffffffffb26ec5cc [ 2475.751507] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2475.775627] ffff880000000010 ffff8800a09c79c8 ffff8800a09c7978 ffffffffb363c3e0 [ 2475.799700] Call Trace: [ 2475.806769] [] dump_stack+0xd7/0x132 [ 2475.824662] [] ? arch_local_irq_restore+0x1b/0x1b [ 2475.843713] [] ubsan_epilogue+0x12/0x53 [ 2475.860985] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2475.879619] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2475.905252] [] ? init_object+0x1d6/0x1e2 [ 2475.919693] [] ext4_htree_fill_tree+0x289/0x8ae [ 2475.941997] [] ? ___slab_alloc+0xb72/0xbd2 [ 2475.958962] [] ? ___slab_alloc+0xb72/0xbd2 [ 2475.981922] [] ? kzalloc.constprop.7+0x1c/0x1e [ 2475.999485] [] ? do_split+0x1070/0x1070 [ 2476.016734] [] ? kasan_poison_shadow+0x2f/0x31 [ 2476.035729] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2476.055928] [] ? kasan_poison_shadow+0x2f/0x31 [ 2476.085013] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2476.111031] [] ? kasan_kmalloc+0x94/0xa3 [ 2476.127692] [] ? __kmalloc+0x2c1/0x2e7 [ 2476.144889] [] ? kzalloc.constprop.7+0x1c/0x1e [ 2476.165134] [] ext4_readdir+0x7ae/0x207f [ 2476.181091] [] ? native_set_pte_at+0x3d/0x46 [ 2476.204553] [] ? fsnotify+0x920/0xa6a [ 2476.220520] [] ? __ext4_check_dir_entry+0x410/0x410 [ 2476.240933] [] ? __fsnotify_inode_delete+0x28/0x28 [ 2476.264982] [] ? __fsnotify_parent+0x229/0x238 [ 2476.287389] [] ? down_read+0xc7/0x101 [ 2476.307071] [] ? down_write_killable+0xfb/0xfb [ 2476.326942] [] iterate_dir+0x252/0x45f [ 2476.342155] [] SyS_getdents+0x139/0x1e6 [ 2476.359824] [] ? SyS_old_readdir+0x149/0x149 [ 2476.389508] [] ? filldir64+0x311/0x311 [ 2476.409125] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2476.435962] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2476.461048] ================================================================================ [ 2476.520148] ================================================================================ [ 2476.548265] UBSAN: Undefined behaviour in fs/ext4/namei.c:966:18 [ 2476.568152] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2476.594903] which requires 64 byte alignment [ 2476.610970] CPU: 3 PID: 169 Comm: modprobe Not tainted 4.8.11 #1 [ 2476.627472] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2476.656210] 00000000ffffffff 0000000034eecf06 ffff8800a09c7820 ffffffffb26ec5cc [ 2476.679109] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2476.706277] ffff880000000010 ffff8800a09c7848 ffff8800a09c77f8 ffffffffb363c3e0 [ 2476.730996] Call Trace: [ 2476.738055] [] dump_stack+0xd7/0x132 [ 2476.756389] [] ? arch_local_irq_restore+0x1b/0x1b [ 2476.777792] [] ubsan_epilogue+0x12/0x53 [ 2476.795496] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2476.818286] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2476.843426] [] htree_dirblock_to_tree+0x18f/0x7f7 [ 2476.864532] [] ? dx_probe+0x95d/0x95d [ 2476.883511] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2476.907609] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2476.928550] [] ext4_htree_fill_tree+0x347/0x8ae [ 2476.948445] [] ? ___slab_alloc+0xb72/0xbd2 [ 2476.970702] [] ? ___slab_alloc+0xb72/0xbd2 [ 2476.989950] [] ? kzalloc.constprop.7+0x1c/0x1e [ 2477.008033] [] ? do_split+0x1070/0x1070 [ 2477.026592] [] ? kasan_poison_shadow+0x2f/0x31 [ 2477.043872] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2477.064921] [] ? kasan_poison_shadow+0x2f/0x31 [ 2477.085779] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2477.106057] [] ? kasan_kmalloc+0x94/0xa3 [ 2477.123505] [] ? __kmalloc+0x2c1/0x2e7 [ 2477.145203] [] ? kzalloc.constprop.7+0x1c/0x1e [ 2477.163554] [] ext4_readdir+0x7ae/0x207f [ 2477.184808] [] ? native_set_pte_at+0x3d/0x46 [ 2477.205753] [] ? fsnotify+0x920/0xa6a [ 2477.223183] [] ? __ext4_check_dir_entry+0x410/0x410 [ 2477.243358] [] ? __fsnotify_inode_delete+0x28/0x28 [ 2477.265634] [] ? __fsnotify_parent+0x229/0x238 [ 2477.286180] [] ? down_read+0xc7/0x101 [ 2477.303115] [] ? down_write_killable+0xfb/0xfb [ 2477.326392] [] iterate_dir+0x252/0x45f [ 2477.343212] [] SyS_getdents+0x139/0x1e6 [ 2477.361644] [] ? SyS_old_readdir+0x149/0x149 [ 2477.386619] [] ? filldir64+0x311/0x311 [ 2477.404699] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2477.421954] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2477.443437] ================================================================================ [ 2477.470002] ================================================================================ [ 2477.493914] UBSAN: Undefined behaviour in fs/ext4/namei.c:985:7 [ 2477.511260] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2477.537190] which requires 64 byte alignment [ 2477.550969] CPU: 3 PID: 169 Comm: modprobe Not tainted 4.8.11 #1 [ 2477.571057] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2477.599577] 00000000ffffffff 0000000034eecf06 ffff8800a09c7820 ffffffffb26ec5cc [ 2477.622105] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2477.642933] ffff880000000010 ffff8800a09c7848 ffff8800a09c77f8 ffffffffb363c3e0 [ 2477.668308] Call Trace: [ 2477.675202] [] dump_stack+0xd7/0x132 [ 2477.693213] [] ? arch_local_irq_restore+0x1b/0x1b [ 2477.714393] [] ubsan_epilogue+0x12/0x53 [ 2477.730716] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2477.753114] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2477.776842] [] htree_dirblock_to_tree+0x48d/0x7f7 [ 2477.797136] [] ? dx_probe+0x95d/0x95d [ 2477.813523] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2477.835276] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2477.857878] [] ext4_htree_fill_tree+0x347/0x8ae [ 2477.875650] [] ? ___slab_alloc+0xb72/0xbd2 [ 2477.894564] [] ? ___slab_alloc+0xb72/0xbd2 [ 2477.911873] [] ? kzalloc.constprop.7+0x1c/0x1e [ 2477.929887] [] ? do_split+0x1070/0x1070 [ 2477.943852] [] ? kasan_poison_shadow+0x2f/0x31 [ 2477.961030] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2477.978214] [] ? kasan_poison_shadow+0x2f/0x31 [ 2477.996545] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2478.015590] [] ? kasan_kmalloc+0x94/0xa3 [ 2478.032123] [] ? __kmalloc+0x2c1/0x2e7 [ 2478.050561] [] ? kzalloc.constprop.7+0x1c/0x1e [ 2478.066758] [] ext4_readdir+0x7ae/0x207f [ 2478.083881] [] ? native_set_pte_at+0x3d/0x46 [ 2478.098903] [] ? fsnotify+0x920/0xa6a [ 2478.116424] [] ? __ext4_check_dir_entry+0x410/0x410 [ 2478.135063] [] ? __fsnotify_inode_delete+0x28/0x28 [ 2478.154696] [] ? __fsnotify_parent+0x229/0x238 [ 2478.174032] [] ? down_read+0xc7/0x101 [ 2478.193546] [] ? down_write_killable+0xfb/0xfb [ 2478.212715] [] iterate_dir+0x252/0x45f [ 2478.231097] [] SyS_getdents+0x139/0x1e6 [ 2478.247573] [] ? SyS_old_readdir+0x149/0x149 [ 2478.266686] [] ? filldir64+0x311/0x311 [ 2478.282748] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2478.303827] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2478.326256] ================================================================================ [ 2478.353077] ================================================================================ [ 2478.378755] UBSAN: Undefined behaviour in fs/ext4/namei.c:984:24 [ 2478.397644] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2478.424807] which requires 64 byte alignment [ 2478.438130] CPU: 3 PID: 169 Comm: modprobe Not tainted 4.8.11 #1 [ 2478.457455] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2478.480191] 00000000ffffffff 0000000034eecf06 ffff8800a09c7820 ffffffffb26ec5cc [ 2478.503448] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2478.527687] ffff880000000010 ffff8800a09c7848 ffff8800a09c77f8 ffffffffb363c3e0 [ 2478.548316] Call Trace: [ 2478.557894] [] dump_stack+0xd7/0x132 [ 2478.574841] [] ? arch_local_irq_restore+0x1b/0x1b [ 2478.597941] [] ubsan_epilogue+0x12/0x53 [ 2478.613011] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2478.631309] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2478.655442] [] ? ext4_htree_store_dirent+0x5db/0x5ed [ 2478.676281] [] htree_dirblock_to_tree+0x774/0x7f7 [ 2478.692123] [] ? dx_probe+0x95d/0x95d [ 2478.708256] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2478.727794] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2478.753856] [] ext4_htree_fill_tree+0x347/0x8ae [ 2478.771433] [] ? ___slab_alloc+0xb72/0xbd2 [ 2478.790362] [] ? ___slab_alloc+0xb72/0xbd2 [ 2478.807996] [] ? kzalloc.constprop.7+0x1c/0x1e [ 2478.827368] [] ? do_split+0x1070/0x1070 [ 2478.842544] [] ? kasan_poison_shadow+0x2f/0x31 [ 2478.862309] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2478.879914] [] ? kasan_poison_shadow+0x2f/0x31 [ 2478.898160] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2478.917659] [] ? __kmalloc+0x2c1/0x2e7 [ 2478.933410] [] ? kzalloc.constprop.7+0x1c/0x1e [ 2478.952452] [] ext4_readdir+0x7ae/0x207f [ 2478.968619] [] ? native_set_pte_at+0x3d/0x46 [ 2478.984177] [] ? fsnotify+0x920/0xa6a [ 2478.997797] [] ? __ext4_check_dir_entry+0x410/0x410 [ 2479.020174] [] ? __fsnotify_inode_delete+0x28/0x28 [ 2479.042947] [] ? __fsnotify_parent+0x229/0x238 [ 2479.063973] [] ? down_read+0xc7/0x101 [ 2479.081882] [] ? down_write_killable+0xfb/0xfb [ 2479.099944] [] iterate_dir+0x252/0x45f [ 2479.118053] [] SyS_getdents+0x139/0x1e6 [ 2479.135175] [] ? SyS_old_readdir+0x149/0x149 [ 2479.154356] [] ? filldir64+0x311/0x311 [ 2479.169282] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2479.189004] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2479.209185] ================================================================================ [ 2479.237964] ================================================================================ [ 2479.263220] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2479.283283] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2479.308977] which requires 64 byte alignment [ 2479.319014] CPU: 3 PID: 169 Comm: modprobe Not tainted 4.8.11 #1 [ 2479.337809] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2479.367312] 00000000ffffffff 0000000034eecf06 ffff8800a09c7af0 ffffffffb26ec5cc [ 2479.390483] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2479.412008] 1ffff10000000010 ffff8800a09c7b18 ffff8800a09c7ac8 ffffffffb363c3e0 [ 2479.434859] Call Trace: [ 2479.442920] [] dump_stack+0xd7/0x132 [ 2479.456875] [] ? arch_local_irq_restore+0x1b/0x1b [ 2479.476686] [] ubsan_epilogue+0x12/0x53 [ 2479.495270] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2479.515975] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2479.538202] [] get_dtype+0x2c/0xf9 [ 2479.555790] [] call_filldir+0x23d/0x384 [ 2479.571844] [] ext4_readdir+0x9ba/0x207f [ 2479.589406] [] ? native_set_pte_at+0x3d/0x46 [ 2479.608510] [] ? fsnotify+0x920/0xa6a [ 2479.622829] [] ? __ext4_check_dir_entry+0x410/0x410 [ 2479.641127] [] ? __fsnotify_inode_delete+0x28/0x28 [ 2479.663784] [] ? __fsnotify_parent+0x229/0x238 [ 2479.679369] [] ? down_read+0xc7/0x101 [ 2479.694490] [] ? down_write_killable+0xfb/0xfb [ 2479.712025] [] iterate_dir+0x252/0x45f [ 2479.731734] [] SyS_getdents+0x139/0x1e6 [ 2479.752142] [] ? SyS_old_readdir+0x149/0x149 [ 2479.768427] [] ? filldir64+0x311/0x311 [ 2479.783212] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2479.804605] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2479.820389] ================================================================================ [ 2479.848413] ================================================================================ [ 2479.872264] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1776:1 [ 2479.890500] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2479.919593] which requires 64 byte alignment [ 2479.931725] CPU: 3 PID: 169 Comm: modprobe Not tainted 4.8.11 #1 [ 2479.950029] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2479.977049] 00000000ffffffff 0000000034eecf06 ffff8800a09c7af0 ffffffffb26ec5cc [ 2480.004300] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2480.026788] ffff880000000010 ffff8800a09c7b18 ffff8800a09c7ac8 ffffffffb363c3e0 [ 2480.052793] Call Trace: [ 2480.060590] [] dump_stack+0xd7/0x132 [ 2480.075243] [] ? arch_local_irq_restore+0x1b/0x1b [ 2480.096847] [] ubsan_epilogue+0x12/0x53 [ 2480.114983] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2480.136543] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2480.162852] [] get_dtype+0x5b/0xf9 [ 2480.179508] [] call_filldir+0x23d/0x384 [ 2480.194697] [] ext4_readdir+0x9ba/0x207f [ 2480.212511] [] ? native_set_pte_at+0x3d/0x46 [ 2480.230545] [] ? fsnotify+0x920/0xa6a [ 2480.247505] [] ? __ext4_check_dir_entry+0x410/0x410 [ 2480.269947] [] ? __fsnotify_inode_delete+0x28/0x28 [ 2480.288762] [] ? __fsnotify_parent+0x229/0x238 [ 2480.305281] [] ? down_read+0xc7/0x101 [ 2480.323912] [] ? down_write_killable+0xfb/0xfb [ 2480.337935] [] iterate_dir+0x252/0x45f [ 2480.358418] [] SyS_getdents+0x139/0x1e6 [ 2480.372727] [] ? SyS_old_readdir+0x149/0x149 [ 2480.391219] [] ? filldir64+0x311/0x311 [ 2480.410460] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2480.429667] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2480.449131] ================================================================================ [ 2480.523541] ================================================================================ [ 2480.546443] UBSAN: Undefined behaviour in fs/ext4/file.c:677:12 [ 2480.564282] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2480.592523] which requires 64 byte alignment [ 2480.606183] CPU: 3 PID: 169 Comm: modprobe Not tainted 4.8.11 #1 [ 2480.624638] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2480.650569] 00000000ffffffff 0000000034eecf06 ffff8800a09c7c80 ffffffffb26ec5cc [ 2480.674361] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2480.697510] ffff880000000010 ffff8800a09c7ca8 ffff8800a09c7c58 ffffffffb363c3e0 [ 2480.720670] Call Trace: [ 2480.728234] [] dump_stack+0xd7/0x132 [ 2480.745657] [] ? arch_local_irq_restore+0x1b/0x1b [ 2480.765751] [] ubsan_epilogue+0x12/0x53 [ 2480.787392] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2480.808424] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2480.828813] [] ? arch_get_unmapped_area+0x3a0/0x3a0 [ 2480.848856] [] ext4_llseek+0x1ee/0x942 [ 2480.865715] [] ? down_write_trylock+0x100/0x100 [ 2480.882282] [] ? ext4_find_unwritten_pgoff+0x92d/0x92d [ 2480.904007] [] ? __fget_light+0xe6/0xf0 [ 2480.919982] [] ? ext4_find_unwritten_pgoff+0x92d/0x92d [ 2480.936972] [] vfs_llseek+0xf6/0x101 [ 2480.956194] [] SYSC_lseek+0x5d/0x86 [ 2480.973574] [] SyS_lseek+0x2f/0x31 [ 2480.989733] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2481.010033] ================================================================================ [ 2481.117346] ================================================================================ [ 2481.152193] UBSAN: Undefined behaviour in kernel/sched/fair.c:8717:14 [ 2481.172558] member access within misaligned address ffff88005afefc38 for type 'struct sched_entity' [ 2481.204378] which requires 64 byte alignment [ 2481.215968] CPU: 2 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2481.234090] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2481.262788] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc18 ffffffffb26ec5cc [ 2481.287000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2481.313618] ffff880000000010 ffff88005c9dfc40 ffff88005c9dfbf0 ffffffffb363c3e0 [ 2481.339155] Call Trace: [ 2481.348016] [] dump_stack+0xd7/0x132 [ 2481.362218] [] ? arch_local_irq_restore+0x1b/0x1b [ 2481.389701] [] ubsan_epilogue+0x12/0x53 [ 2481.408020] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2481.428010] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2481.452098] [] ? kasan_poison_shadow+0x2f/0x31 [ 2481.469065] [] init_tg_cfs_entry+0x2e8/0x4d3 [ 2481.489693] [] ? unregister_fair_sched_group+0x319/0x319 [ 2481.512221] [] ? trigger_load_balance+0x630/0x630 [ 2481.534878] [] alloc_fair_sched_group+0x3a5/0x3d0 [ 2481.557178] [] sched_create_group+0x33/0x61 [ 2481.575467] [] sched_autogroup_create_attach+0xa2/0x21f [ 2481.599522] [] ? autogroup_move_group+0x318/0x318 [ 2481.624840] [] ? tty_kref_put+0x3b/0x40 [ 2481.641750] [] sys_setsid+0x35b/0x39f [ 2481.657497] [] ? SyS_getsid+0x12f/0x12f [ 2481.675218] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2481.694000] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2481.716839] ================================================================================ [ 2481.744606] ================================================================================ [ 2481.773760] UBSAN: Undefined behaviour in kernel/sched/fair.c:8718:13 [ 2481.795659] member access within misaligned address ffff88005afefc38 for type 'struct sched_entity' [ 2481.829921] which requires 64 byte alignment [ 2481.841565] CPU: 2 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2481.859871] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2481.890295] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc18 ffffffffb26ec5cc [ 2481.916201] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2481.938143] ffffffff00000010 ffff88005c9dfc40 ffff88005c9dfbf0 ffffffffb363c3e0 [ 2481.963143] Call Trace: [ 2481.973361] [] dump_stack+0xd7/0x132 [ 2481.988650] [] ? arch_local_irq_restore+0x1b/0x1b [ 2482.009594] [] ubsan_epilogue+0x12/0x53 [ 2482.029063] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2482.054969] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2482.077381] [] ? kasan_poison_shadow+0x2f/0x31 [ 2482.098388] [] init_tg_cfs_entry+0x310/0x4d3 [ 2482.116927] [] ? unregister_fair_sched_group+0x319/0x319 [ 2482.141368] [] ? trigger_load_balance+0x630/0x630 [ 2482.165445] [] alloc_fair_sched_group+0x3a5/0x3d0 [ 2482.188658] [] sched_create_group+0x33/0x61 [ 2482.208153] [] sched_autogroup_create_attach+0xa2/0x21f [ 2482.227935] [] ? autogroup_move_group+0x318/0x318 [ 2482.248095] [] ? tty_kref_put+0x3b/0x40 [ 2482.265367] [] sys_setsid+0x35b/0x39f [ 2482.282676] [] ? SyS_getsid+0x12f/0x12f [ 2482.297452] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2482.320760] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2482.345189] ================================================================================ [ 2482.372818] ================================================================================ [ 2482.402430] UBSAN: Undefined behaviour in kernel/sched/fair.c:8724:11 [ 2482.422201] member access within misaligned address ffff88005afefc38 for type 'struct sched_entity' [ 2482.451285] which requires 64 byte alignment [ 2482.463975] CPU: 2 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2482.479800] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2482.511394] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc18 ffffffffb26ec5cc [ 2482.541165] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2482.564954] ffffffff00000010 ffff88005c9dfc40 ffff88005c9dfbf0 ffffffffb363c3e0 [ 2482.593595] Call Trace: [ 2482.607059] [] dump_stack+0xd7/0x132 [ 2482.624958] [] ? arch_local_irq_restore+0x1b/0x1b [ 2482.640907] [] ubsan_epilogue+0x12/0x53 [ 2482.664141] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2482.684316] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2482.708269] [] ? kasan_poison_shadow+0x2f/0x31 [ 2482.728225] [] init_tg_cfs_entry+0x407/0x4d3 [ 2482.744666] [] ? unregister_fair_sched_group+0x319/0x319 [ 2482.771223] [] ? trigger_load_balance+0x630/0x630 [ 2482.788950] [] alloc_fair_sched_group+0x3a5/0x3d0 [ 2482.811939] [] sched_create_group+0x33/0x61 [ 2482.828607] [] sched_autogroup_create_attach+0xa2/0x21f [ 2482.852178] [] ? autogroup_move_group+0x318/0x318 [ 2482.868906] [] ? tty_kref_put+0x3b/0x40 [ 2482.886496] [] sys_setsid+0x35b/0x39f [ 2482.905209] [] ? SyS_getsid+0x12f/0x12f [ 2482.927225] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2482.946248] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2482.968446] ================================================================================ [ 2482.995180] ================================================================================ [ 2483.026375] UBSAN: Undefined behaviour in kernel/sched/fair.c:8727:13 [ 2483.044797] member access within misaligned address ffff88005afefc38 for type 'struct sched_entity' [ 2483.079316] which requires 64 byte alignment [ 2483.095027] CPU: 2 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2483.114376] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2483.146456] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc18 ffffffffb26ec5cc [ 2483.174005] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2483.196901] ffffffff00000010 ffff88005c9dfc40 ffff88005c9dfbf0 ffffffffb363c3e0 [ 2483.221685] Call Trace: [ 2483.228281] [] dump_stack+0xd7/0x132 [ 2483.246900] [] ? arch_local_irq_restore+0x1b/0x1b [ 2483.266875] [] ubsan_epilogue+0x12/0x53 [ 2483.284480] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2483.306796] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2483.330701] [] ? kasan_poison_shadow+0x2f/0x31 [ 2483.354952] [] init_tg_cfs_entry+0x484/0x4d3 [ 2483.371401] [] ? unregister_fair_sched_group+0x319/0x319 [ 2483.394934] [] ? trigger_load_balance+0x630/0x630 [ 2483.418210] [] alloc_fair_sched_group+0x3a5/0x3d0 [ 2483.441254] [] sched_create_group+0x33/0x61 [ 2483.459652] [] sched_autogroup_create_attach+0xa2/0x21f [ 2483.483042] [] ? autogroup_move_group+0x318/0x318 [ 2483.499654] [] ? tty_kref_put+0x3b/0x40 [ 2483.523880] [] sys_setsid+0x35b/0x39f [ 2483.537090] [] ? SyS_getsid+0x12f/0x12f [ 2483.560741] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2483.581726] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2483.603854] ================================================================================ [ 2483.631110] ================================================================================ [ 2483.656908] UBSAN: Undefined behaviour in kernel/sched/fair.c:695:6 [ 2483.677107] member access within misaligned address ffff88005afefc38 for type 'struct sched_entity' [ 2483.712305] which requires 64 byte alignment [ 2483.725588] CPU: 2 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2483.741646] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2483.768564] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc98 ffffffffb26ec5cc [ 2483.796515] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2483.828575] ffff880000000010 ffff88005c9dfcc0 ffff88005c9dfc70 ffffffffb363c3e0 [ 2483.852506] Call Trace: [ 2483.864511] [] dump_stack+0xd7/0x132 [ 2483.878499] [] ? arch_local_irq_restore+0x1b/0x1b [ 2483.904611] [] ubsan_epilogue+0x12/0x53 [ 2483.924056] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2483.946774] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2483.972466] [] ? unregister_fair_sched_group+0x319/0x319 [ 2483.993194] [] ? trigger_load_balance+0x630/0x630 [ 2484.013024] [] init_entity_runnable_average+0x90/0x1c2 [ 2484.032612] [] alloc_fair_sched_group+0x3ae/0x3d0 [ 2484.060732] [] sched_create_group+0x33/0x61 [ 2484.149430] [] sched_autogroup_create_attach+0xa2/0x21f [ 2484.192926] [] ? autogroup_move_group+0x318/0x318 [ 2484.212784] [] ? tty_kref_put+0x3b/0x40 [ 2484.233723] [] sys_setsid+0x35b/0x39f [ 2484.251655] [] ? SyS_getsid+0x12f/0x12f [ 2484.273429] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2484.294917] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2484.316143] ================================================================================ [ 2484.355537] ================================================================================ [ 2484.384554] UBSAN: Undefined behaviour in kernel/sched/fair.c:277:11 [ 2484.405632] member access within misaligned address ffff88005afefc38 for type 'struct sched_entity' [ 2484.440173] which requires 64 byte alignment [ 2484.454478] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2484.483281] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2484.529781] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc00 ffffffffb26ec5cc [ 2484.564135] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2484.590325] ffffffff00000010 ffff88005c9dfc28 ffff88005c9dfbd8 ffffffffb363c3e0 [ 2484.617326] Call Trace: [ 2484.629143] [] dump_stack+0xd7/0x132 [ 2484.650471] [] ? arch_local_irq_restore+0x1b/0x1b [ 2484.675019] [] ubsan_epilogue+0x12/0x53 [ 2484.690144] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2484.716483] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2484.742766] [] post_init_entity_util_avg+0x33/0x352 [ 2484.763966] [] online_fair_sched_group+0x142/0x36b [ 2484.805429] [] sched_online_group+0x199/0x1cf [ 2484.841583] [] ? sched_create_group+0x61/0x61 [ 2484.863738] [] sched_autogroup_create_attach+0x188/0x21f [ 2484.911289] [] ? autogroup_move_group+0x318/0x318 [ 2484.934975] [] ? tty_kref_put+0x3b/0x40 [ 2484.954640] [] sys_setsid+0x35b/0x39f [ 2484.973327] [] ? SyS_getsid+0x12f/0x12f [ 2484.994937] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2485.016252] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2485.038589] ================================================================================ [ 2485.065266] ================================================================================ [ 2485.095487] UBSAN: Undefined behaviour in kernel/sched/fair.c:757:6 [ 2485.117193] member access within misaligned address ffff88005afefc38 for type 'struct sched_entity' [ 2485.149493] which requires 64 byte alignment [ 2485.169615] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2485.185235] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2485.220817] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc00 ffffffffb26ec5cc [ 2485.248643] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2485.273513] ffffffff00000010 ffff88005c9dfc28 ffff88005c9dfbd8 ffffffffb363c3e0 [ 2485.298544] Call Trace: [ 2485.311595] [] dump_stack+0xd7/0x132 [ 2485.352048] [] ? arch_local_irq_restore+0x1b/0x1b [ 2485.380905] [] ubsan_epilogue+0x12/0x53 [ 2485.401615] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2485.425741] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2485.449280] [] post_init_entity_util_avg+0x29c/0x352 [ 2485.472006] [] online_fair_sched_group+0x142/0x36b [ 2485.493575] [] sched_online_group+0x199/0x1cf [ 2485.515340] [] ? sched_create_group+0x61/0x61 [ 2485.532403] [] sched_autogroup_create_attach+0x188/0x21f [ 2485.558895] [] ? autogroup_move_group+0x318/0x318 [ 2485.579129] [] ? tty_kref_put+0x3b/0x40 [ 2485.598382] [] sys_setsid+0x35b/0x39f [ 2485.614222] [] ? SyS_getsid+0x12f/0x12f [ 2485.631294] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2485.652095] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2485.670609] ================================================================================ [ 2485.700402] ================================================================================ [ 2485.728972] UBSAN: Undefined behaviour in kernel/sched/fair.c:3025:13 [ 2485.750911] member access within misaligned address ffff88005afefc38 for type 'struct sched_entity' [ 2485.780516] which requires 64 byte alignment [ 2485.793402] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2485.815483] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2485.844319] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfba8 ffffffffb26ec5cc [ 2485.868680] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2485.892107] ffff880000000010 ffff88005c9dfbd0 ffff88005c9dfb80 ffffffffb363c3e0 [ 2485.916638] Call Trace: [ 2485.927042] [] dump_stack+0xd7/0x132 [ 2485.943693] [] ? arch_local_irq_restore+0x1b/0x1b [ 2485.964487] [] ubsan_epilogue+0x12/0x53 [ 2485.980140] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2486.002746] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2486.027540] [] ? div_u64+0xcd/0xcd [ 2486.044003] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2486.068859] [] attach_entity_load_avg+0x5c/0x71d [ 2486.088393] [] post_init_entity_util_avg+0x338/0x352 [ 2486.111012] [] ? post_init_entity_util_avg+0x338/0x352 [ 2486.130921] [] online_fair_sched_group+0x142/0x36b [ 2486.152138] [] sched_online_group+0x199/0x1cf [ 2486.168268] [] ? sched_create_group+0x61/0x61 [ 2486.188275] [] sched_autogroup_create_attach+0x188/0x21f [ 2486.211585] [] ? autogroup_move_group+0x318/0x318 [ 2486.232774] [] ? tty_kref_put+0x3b/0x40 [ 2486.249084] [] sys_setsid+0x35b/0x39f [ 2486.265334] [] ? SyS_getsid+0x12f/0x12f [ 2486.283555] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2486.308015] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2486.330442] ================================================================================ [ 2486.357380] ================================================================================ [ 2486.384680] UBSAN: Undefined behaviour in kernel/sched/fair.c:3036:27 [ 2486.406573] member access within misaligned address ffff88005afefc38 for type 'struct sched_entity' [ 2486.441194] which requires 64 byte alignment [ 2486.452195] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2486.471053] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2486.499696] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfba8 ffffffffb26ec5cc [ 2486.524651] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2486.550464] ffff880000000010 ffff88005c9dfbd0 ffff88005c9dfb80 ffffffffb363c3e0 [ 2486.572681] Call Trace: [ 2486.579511] [] dump_stack+0xd7/0x132 [ 2486.596699] [] ? arch_local_irq_restore+0x1b/0x1b [ 2486.613410] [] ubsan_epilogue+0x12/0x53 [ 2486.630550] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2486.650922] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2486.674645] [] ? div_u64+0xcd/0xcd [ 2486.691305] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2486.726416] [] attach_entity_load_avg+0x52a/0x71d [ 2486.761977] [] post_init_entity_util_avg+0x338/0x352 [ 2486.815185] [] ? post_init_entity_util_avg+0x338/0x352 [ 2486.859353] [] online_fair_sched_group+0x142/0x36b [ 2486.893153] [] sched_online_group+0x199/0x1cf [ 2486.931645] [] ? sched_create_group+0x61/0x61 [ 2486.967867] [] sched_autogroup_create_attach+0x188/0x21f [ 2487.008897] [] ? autogroup_move_group+0x318/0x318 [ 2487.046897] [] ? tty_kref_put+0x3b/0x40 [ 2487.083747] [] sys_setsid+0x35b/0x39f [ 2487.117144] [] ? SyS_getsid+0x12f/0x12f [ 2487.155954] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2487.194243] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2487.232230] ================================================================================ [ 2487.292332] ================================================================================ [ 2487.352606] UBSAN: Undefined behaviour in kernel/sched/fair.c:3037:33 [ 2487.394342] member access within misaligned address ffff88005afefc38 for type 'struct sched_entity' [ 2487.455032] which requires 64 byte alignment [ 2487.479641] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2487.511951] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2487.579756] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfba8 ffffffffb26ec5cc [ 2487.627016] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2487.678407] ffff880000000010 ffff88005c9dfbd0 ffff88005c9dfb80 ffffffffb363c3e0 [ 2487.726185] Call Trace: [ 2487.740191] [] dump_stack+0xd7/0x132 [ 2487.771242] [] ? arch_local_irq_restore+0x1b/0x1b [ 2487.811182] [] ubsan_epilogue+0x12/0x53 [ 2487.851692] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2487.891346] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2487.935851] [] ? div_u64+0xcd/0xcd [ 2487.965607] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2488.016757] [] attach_entity_load_avg+0x579/0x71d [ 2488.056728] [] post_init_entity_util_avg+0x338/0x352 [ 2488.100700] [] ? post_init_entity_util_avg+0x338/0x352 [ 2488.158639] [] online_fair_sched_group+0x142/0x36b [ 2488.212458] [] sched_online_group+0x199/0x1cf [ 2488.300241] [] ? sched_create_group+0x61/0x61 [ 2488.363519] [] sched_autogroup_create_attach+0x188/0x21f [ 2488.426828] [] ? autogroup_move_group+0x318/0x318 [ 2488.482124] [] ? tty_kref_put+0x3b/0x40 [ 2488.531217] [] sys_setsid+0x35b/0x39f [ 2488.579640] [] ? SyS_getsid+0x12f/0x12f [ 2488.639943] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2488.696025] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2488.776012] ================================================================================ [ 2488.929401] ================================================================================ [ 2489.018370] UBSAN: Undefined behaviour in kernel/sched/fair.c:3038:33 [ 2489.065055] member access within misaligned address ffff88005afefc38 for type 'struct sched_entity' [ 2489.123984] which requires 64 byte alignment [ 2489.162192] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2489.196990] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2489.268925] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfba8 ffffffffb26ec5cc [ 2489.316223] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2489.378716] ffff880000000010 ffff88005c9dfbd0 ffff88005c9dfb80 ffffffffb363c3e0 [ 2489.423898] Call Trace: [ 2489.442091] [] dump_stack+0xd7/0x132 [ 2489.479461] [] ? arch_local_irq_restore+0x1b/0x1b [ 2489.525310] [] ubsan_epilogue+0x12/0x53 [ 2489.562427] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2489.618979] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2489.676260] [] ? div_u64+0xcd/0xcd [ 2489.726791] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2489.783086] [] attach_entity_load_avg+0x5e9/0x71d [ 2489.839026] [] post_init_entity_util_avg+0x338/0x352 [ 2489.898591] [] ? post_init_entity_util_avg+0x338/0x352 [ 2489.951271] [] online_fair_sched_group+0x142/0x36b [ 2490.009136] [] sched_online_group+0x199/0x1cf [ 2490.053472] [] ? sched_create_group+0x61/0x61 [ 2490.111063] [] sched_autogroup_create_attach+0x188/0x21f [ 2490.165281] [] ? autogroup_move_group+0x318/0x318 [ 2490.214628] [] ? tty_kref_put+0x3b/0x40 [ 2490.256723] [] sys_setsid+0x35b/0x39f [ 2490.296143] [] ? SyS_getsid+0x12f/0x12f [ 2490.333627] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2490.387139] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2490.434692] ================================================================================ [ 2490.496748] ================================================================================ [ 2490.558567] UBSAN: Undefined behaviour in kernel/sched/fair.c:3039:33 [ 2490.602838] member access within misaligned address ffff88005afefc38 for type 'struct sched_entity' [ 2490.676564] which requires 64 byte alignment [ 2490.705472] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2490.741156] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2490.803940] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfba8 ffffffffb26ec5cc [ 2490.859464] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2490.914528] ffff880000000010 ffff88005c9dfbd0 ffff88005c9dfb80 ffffffffb363c3e0 [ 2490.970565] Call Trace: [ 2490.987524] [] dump_stack+0xd7/0x132 [ 2491.031345] [] ? arch_local_irq_restore+0x1b/0x1b [ 2491.078921] [] ubsan_epilogue+0x12/0x53 [ 2491.114200] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2491.162276] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2491.215227] [] ? div_u64+0xcd/0xcd [ 2491.250743] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2491.300506] [] attach_entity_load_avg+0x65f/0x71d [ 2491.343478] [] post_init_entity_util_avg+0x338/0x352 [ 2491.385490] [] ? post_init_entity_util_avg+0x338/0x352 [ 2491.434563] [] online_fair_sched_group+0x142/0x36b [ 2491.483081] [] sched_online_group+0x199/0x1cf [ 2491.528646] [] ? sched_create_group+0x61/0x61 [ 2491.574483] [] sched_autogroup_create_attach+0x188/0x21f [ 2491.626582] [] ? autogroup_move_group+0x318/0x318 [ 2491.678531] [] ? tty_kref_put+0x3b/0x40 [ 2491.732227] [] sys_setsid+0x35b/0x39f [ 2491.788361] [] ? SyS_getsid+0x12f/0x12f [ 2491.860980] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2491.934729] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2492.016404] ================================================================================ [ 2492.119005] ================================================================================ [ 2492.188264] UBSAN: Undefined behaviour in kernel/sched/fair.c:3040:33 [ 2492.279890] member access within misaligned address ffff88005afefc38 for type 'struct sched_entity' [ 2492.379539] which requires 64 byte alignment [ 2492.415046] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2492.454384] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2492.517125] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfba8 ffffffffb26ec5cc [ 2492.572163] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2492.623844] ffff880000000010 ffff88005c9dfbd0 ffff88005c9dfb80 ffffffffb363c3e0 [ 2492.677609] Call Trace: [ 2492.695451] [] dump_stack+0xd7/0x132 [ 2492.729652] [] ? arch_local_irq_restore+0x1b/0x1b [ 2492.778550] [] ubsan_epilogue+0x12/0x53 [ 2492.818925] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2492.864398] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2492.918619] [] ? div_u64+0xcd/0xcd [ 2492.961320] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2493.014275] [] attach_entity_load_avg+0x6d2/0x71d [ 2493.057627] [] post_init_entity_util_avg+0x338/0x352 [ 2493.111919] [] ? post_init_entity_util_avg+0x338/0x352 [ 2493.167530] [] online_fair_sched_group+0x142/0x36b [ 2493.233315] [] sched_online_group+0x199/0x1cf [ 2493.312644] [] ? sched_create_group+0x61/0x61 [ 2493.366977] [] sched_autogroup_create_attach+0x188/0x21f [ 2493.423039] [] ? autogroup_move_group+0x318/0x318 [ 2493.463060] [] ? tty_kref_put+0x3b/0x40 [ 2493.526434] [] sys_setsid+0x35b/0x39f [ 2493.573658] [] ? SyS_getsid+0x12f/0x12f [ 2493.606653] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2493.646856] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2493.694418] ================================================================================ [ 2493.748275] ================================================================================ [ 2493.804969] UBSAN: Undefined behaviour in kernel/sched/fair.c:746:51 [ 2493.851455] member access within misaligned address ffff88005afee828 for type 'struct sched_entity' [ 2493.914356] which requires 64 byte alignment [ 2493.943801] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2493.978630] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2494.055334] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc00 ffffffffb26ec5cc [ 2494.110447] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2494.165668] 0000000000000010 ffff88005c9dfc28 ffff88005c9dfbd8 ffffffffb363c3e0 [ 2494.225670] Call Trace: [ 2494.239756] [] dump_stack+0xd7/0x132 [ 2494.276185] [] ? arch_local_irq_restore+0x1b/0x1b [ 2494.322970] [] ubsan_epilogue+0x12/0x53 [ 2494.354668] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2494.395987] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2494.453037] [] post_init_entity_util_avg+0x105/0x352 [ 2494.499598] [] online_fair_sched_group+0x142/0x36b [ 2494.543504] [] sched_online_group+0x199/0x1cf [ 2494.576285] [] ? sched_create_group+0x61/0x61 [ 2494.622763] [] sched_autogroup_create_attach+0x188/0x21f [ 2494.663198] [] ? autogroup_move_group+0x318/0x318 [ 2494.699586] [] ? tty_kref_put+0x3b/0x40 [ 2494.730665] [] sys_setsid+0x35b/0x39f [ 2494.768146] [] ? SyS_getsid+0x12f/0x12f [ 2494.803948] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2494.842765] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2494.882941] ================================================================================ [ 2494.936801] ================================================================================ [ 2495.026958] UBSAN: Undefined behaviour in kernel/sched/fair.c:8496:37 [ 2495.083330] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2495.166534] which requires 64 byte alignment [ 2495.207029] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2495.259345] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2495.348968] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb68 ffffffffb26ec5cc [ 2495.422121] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2495.495377] 0000000000000010 ffff88005c9dfb90 ffff88005c9dfb40 ffffffffb363c3e0 [ 2495.572017] Call Trace: [ 2495.591350] [] dump_stack+0xd7/0x132 [ 2495.642797] [] ? arch_local_irq_restore+0x1b/0x1b [ 2495.702115] [] ubsan_epilogue+0x12/0x53 [ 2495.754136] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2495.810850] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2495.871394] [] ? set_task_rq_fair+0x546/0x565 [ 2495.922731] [] attach_task_cfs_rq+0xbc/0x24c [ 2495.977265] [] ? set_task_rq+0x1e0/0x1e0 [ 2496.027570] [] task_change_group_fair+0x1de/0x1e7 [ 2496.082902] [] ? set_task_rq+0x1e0/0x1e0 [ 2496.139419] [] sched_change_group+0x1ff/0x261 [ 2496.206147] [] sched_move_task+0xfa/0x1a8 [ 2496.258973] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2496.317682] [] ? __lock_task_sighand+0x168/0x17b [ 2496.375513] [] autogroup_move_group+0x2a9/0x318 [ 2496.432513] [] ? autogroup_task_get+0x15a/0x15a [ 2496.498430] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2496.570598] [] ? autogroup_move_group+0x318/0x318 [ 2496.630932] [] ? tty_kref_put+0x3b/0x40 [ 2496.676328] [] sys_setsid+0x35b/0x39f [ 2496.728360] [] ? SyS_getsid+0x12f/0x12f [ 2496.777202] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2496.843228] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2496.911872] ================================================================================ [ 2496.994002] ================================================================================ [ 2497.072956] UBSAN: Undefined behaviour in kernel/sched/fair.c:277:11 [ 2497.134629] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2497.230535] which requires 64 byte alignment [ 2497.262941] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2497.315712] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2497.414801] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbe0 ffffffffb26ec5cc [ 2497.478710] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2497.551256] 0000000000000010 ffff88005c9dfc08 ffff88005c9dfbb8 ffffffffb363c3e0 [ 2497.614396] Call Trace: [ 2497.632827] [] dump_stack+0xd7/0x132 [ 2497.688140] [] ? arch_local_irq_restore+0x1b/0x1b [ 2497.742884] [] ubsan_epilogue+0x12/0x53 [ 2497.807481] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2497.871275] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2497.939545] [] ? attach_task_cfs_rq+0x161/0x24c [ 2497.995277] [] ? set_task_rq+0x1e0/0x1e0 [ 2498.053308] [] set_curr_task_fair+0x62/0xfd [ 2498.105319] [] sched_move_task+0x14f/0x1a8 [ 2498.154570] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2498.216000] [] ? __lock_task_sighand+0x168/0x17b [ 2498.283030] [] autogroup_move_group+0x2a9/0x318 [ 2498.336650] [] ? autogroup_task_get+0x15a/0x15a [ 2498.394289] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2498.455894] [] ? autogroup_move_group+0x318/0x318 [ 2498.515355] [] ? tty_kref_put+0x3b/0x40 [ 2498.562626] [] sys_setsid+0x35b/0x39f [ 2498.611543] [] ? SyS_getsid+0x12f/0x12f [ 2498.657696] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2498.720377] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2498.807837] ================================================================================ [ 2498.912142] ================================================================================ [ 2499.023200] UBSAN: Undefined behaviour in kernel/sched/fair.c:3542:8 [ 2499.097425] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2499.195184] which requires 64 byte alignment [ 2499.250302] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2499.319454] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2499.428076] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfba8 ffffffffb26ec5cc [ 2499.519830] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2499.602892] 0000000000000010 ffff88005c9dfbd0 ffff88005c9dfb80 ffffffffb363c3e0 [ 2499.695623] Call Trace: [ 2499.726474] [] dump_stack+0xd7/0x132 [ 2499.789645] [] ? arch_local_irq_restore+0x1b/0x1b [ 2499.871392] [] ubsan_epilogue+0x12/0x53 [ 2499.946287] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2500.018864] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2500.127166] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2500.224022] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2500.307377] [] ? attach_task_cfs_rq+0x161/0x24c [ 2500.388129] [] set_next_entity+0x32/0x36b [ 2500.451403] [] set_curr_task_fair+0x80/0xfd [ 2500.527065] [] sched_move_task+0x14f/0x1a8 [ 2500.601465] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2500.688144] [] ? __lock_task_sighand+0x168/0x17b [ 2500.761336] [] autogroup_move_group+0x2a9/0x318 [ 2500.825925] [] ? autogroup_task_get+0x15a/0x15a [ 2500.900451] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2500.989714] [] ? autogroup_move_group+0x318/0x318 [ 2501.073032] [] ? tty_kref_put+0x3b/0x40 [ 2501.133884] [] sys_setsid+0x35b/0x39f [ 2501.209293] [] ? SyS_getsid+0x12f/0x12f [ 2501.281558] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2501.360717] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2501.437997] ================================================================================ [ 2501.559363] ================================================================================ [ 2501.673044] UBSAN: Undefined behaviour in kernel/sched/fair.c:944:17 [ 2501.738165] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2501.858580] which requires 64 byte alignment [ 2501.906859] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2501.976218] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2502.099854] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfba8 ffffffffb26ec5cc [ 2502.200276] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2502.285564] 0000000000000010 ffff88005c9dfbd0 ffff88005c9dfb80 ffffffffb363c3e0 [ 2502.379649] Call Trace: [ 2502.410747] [] dump_stack+0xd7/0x132 [ 2502.503769] [] ? arch_local_irq_restore+0x1b/0x1b [ 2502.581034] [] ubsan_epilogue+0x12/0x53 [ 2502.642099] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2502.730779] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2502.828051] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2502.913857] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2502.993689] [] ? attach_task_cfs_rq+0x161/0x24c [ 2503.071499] [] set_next_entity+0x140/0x36b [ 2503.136810] [] set_curr_task_fair+0x80/0xfd [ 2503.212660] [] sched_move_task+0x14f/0x1a8 [ 2503.290222] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2503.367716] [] ? __lock_task_sighand+0x168/0x17b [ 2503.441983] [] autogroup_move_group+0x2a9/0x318 [ 2503.518195] [] ? autogroup_task_get+0x15a/0x15a [ 2503.598540] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2503.681473] [] ? autogroup_move_group+0x318/0x318 [ 2503.751656] [] ? tty_kref_put+0x3b/0x40 [ 2503.817862] [] sys_setsid+0x35b/0x39f [ 2503.872094] [] ? SyS_getsid+0x12f/0x12f [ 2503.949957] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2504.038463] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2504.125289] ================================================================================ [ 2504.240862] ================================================================================ [ 2504.347616] UBSAN: Undefined behaviour in kernel/sched/fair.c:3567:32 [ 2504.419632] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2504.525974] which requires 64 byte alignment [ 2504.592956] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2504.653014] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2504.767287] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfba8 ffffffffb26ec5cc [ 2504.867833] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2504.956632] 0000000000000010 ffff88005c9dfbd0 ffff88005c9dfb80 ffffffffb363c3e0 [ 2505.041694] Call Trace: [ 2505.071199] [] dump_stack+0xd7/0x132 [ 2505.152345] [] ? arch_local_irq_restore+0x1b/0x1b [ 2505.225461] [] ubsan_epilogue+0x12/0x53 [ 2505.283867] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2505.362233] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2505.453106] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2505.534209] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2505.622594] [] ? attach_task_cfs_rq+0x161/0x24c [ 2505.691341] [] set_next_entity+0x293/0x36b [ 2505.763358] [] set_curr_task_fair+0x80/0xfd [ 2505.828981] [] sched_move_task+0x14f/0x1a8 [ 2505.906410] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2506.004718] [] ? __lock_task_sighand+0x168/0x17b [ 2506.107519] [] autogroup_move_group+0x2a9/0x318 [ 2506.174044] [] ? autogroup_task_get+0x15a/0x15a [ 2506.252265] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2506.346938] [] ? autogroup_move_group+0x318/0x318 [ 2506.435293] [] ? tty_kref_put+0x3b/0x40 [ 2506.504404] [] sys_setsid+0x35b/0x39f [ 2506.569996] [] ? SyS_getsid+0x12f/0x12f [ 2506.637708] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2506.718206] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2506.795687] ================================================================================ [ 2506.903118] ================================================================================ [ 2507.021090] UBSAN: Undefined behaviour in kernel/sched/fair.c:3567:28 [ 2507.106232] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2507.220790] which requires 64 byte alignment [ 2507.272392] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2507.351788] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2507.515965] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfba8 ffffffffb26ec5cc [ 2507.631771] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2507.743430] 0000000000000010 ffff88005c9dfbd0 ffff88005c9dfb80 ffffffffb363c3e0 [ 2507.834137] Call Trace: [ 2507.869650] [] dump_stack+0xd7/0x132 [ 2507.922462] [] ? arch_local_irq_restore+0x1b/0x1b [ 2508.007157] [] ubsan_epilogue+0x12/0x53 [ 2508.070818] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2508.155933] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2508.242871] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2508.340789] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2508.441529] [] ? attach_task_cfs_rq+0x161/0x24c [ 2508.548612] [] set_next_entity+0x2b8/0x36b [ 2508.636276] [] set_curr_task_fair+0x80/0xfd [ 2508.736044] [] sched_move_task+0x14f/0x1a8 [ 2508.815742] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2508.922769] [] ? __lock_task_sighand+0x168/0x17b [ 2509.004527] [] autogroup_move_group+0x2a9/0x318 [ 2509.093518] [] ? autogroup_task_get+0x15a/0x15a [ 2509.179550] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2509.275478] [] ? autogroup_move_group+0x318/0x318 [ 2509.394006] [] ? tty_kref_put+0x3b/0x40 [ 2509.501775] [] sys_setsid+0x35b/0x39f [ 2509.614672] [] ? SyS_getsid+0x12f/0x12f [ 2509.702196] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2509.820509] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2509.915818] ================================================================================ [ 2510.031392] ================================================================================ [ 2510.135599] UBSAN: Undefined behaviour in kernel/sched/fair.c:8540:2 [ 2510.226719] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2510.354316] which requires 64 byte alignment [ 2510.420985] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2510.508537] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2510.635744] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbe0 ffffffffb26ec5cc [ 2510.734126] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2510.838898] 0000000000000010 ffff88005c9dfc08 ffff88005c9dfbb8 ffffffffb363c3e0 [ 2510.947799] Call Trace: [ 2510.975540] [] dump_stack+0xd7/0x132 [ 2511.040771] [] ? arch_local_irq_restore+0x1b/0x1b [ 2511.131013] [] ubsan_epilogue+0x12/0x53 [ 2511.196870] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2511.309922] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2511.428432] [] ? attach_task_cfs_rq+0x161/0x24c [ 2511.523939] [] set_curr_task_fair+0xde/0xfd [ 2511.610311] [] sched_move_task+0x14f/0x1a8 [ 2511.694739] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2511.795591] [] ? __lock_task_sighand+0x168/0x17b [ 2511.874529] [] autogroup_move_group+0x2a9/0x318 [ 2511.964157] [] ? autogroup_task_get+0x15a/0x15a [ 2512.042734] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2512.123732] [] ? autogroup_move_group+0x318/0x318 [ 2512.200780] [] ? tty_kref_put+0x3b/0x40 [ 2512.277726] [] sys_setsid+0x35b/0x39f [ 2512.333079] [] ? SyS_getsid+0x12f/0x12f [ 2512.402367] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2512.475923] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2512.554417] ================================================================================ [ 2512.656968] ================================================================================ [ 2512.752402] UBSAN: Undefined behaviour in kernel/sched/fair.c:277:11 [ 2512.838880] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2512.956637] which requires 64 byte alignment [ 2513.018906] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2513.079998] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2513.180099] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab8 ffffffffb26ec5cc [ 2513.285677] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2513.381112] ffff880000000010 ffff88005c9dfae0 ffff88005c9dfa90 ffffffffb363c3e0 [ 2513.484094] Call Trace: [ 2513.506331] [] dump_stack+0xd7/0x132 [ 2513.574839] [] ? arch_local_irq_restore+0x1b/0x1b [ 2513.658455] [] ubsan_epilogue+0x12/0x53 [ 2513.729053] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2513.823077] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2513.955735] [] ? assoc_array_gc+0x12e7/0x12e7 [ 2514.066763] [] update_cfs_shares+0x296/0x39d [ 2514.178026] [] enqueue_entity+0xa2f/0x16ab [ 2514.273695] [] enqueue_task_fair+0x91/0x22b [ 2514.378473] [] ? enqueue_task_fair+0x91/0x22b [ 2514.504565] [] enqueue_task+0xf3/0xfc [ 2514.566025] [] sched_move_task+0x164/0x1a8 [ 2514.664728] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2514.766037] [] ? __lock_task_sighand+0x168/0x17b [ 2514.865594] [] autogroup_move_group+0x2a9/0x318 [ 2514.953177] [] ? autogroup_task_get+0x15a/0x15a [ 2515.056757] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2515.162622] [] ? autogroup_move_group+0x318/0x318 [ 2515.259731] [] ? tty_kref_put+0x3b/0x40 [ 2515.374953] [] sys_setsid+0x35b/0x39f [ 2515.465694] [] ? SyS_getsid+0x12f/0x12f [ 2515.551816] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2515.653037] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2515.751266] ================================================================================ [ 2515.888468] ================================================================================ [ 2516.026999] UBSAN: Undefined behaviour in kernel/sched/fair.c:2558:8 [ 2516.100975] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2516.260850] which requires 64 byte alignment [ 2516.327071] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2516.403525] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2516.533432] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab8 ffffffffb26ec5cc [ 2516.673960] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2516.797658] ffff880000000010 ffff88005c9dfae0 ffff88005c9dfa90 ffffffffb363c3e0 [ 2516.904433] Call Trace: [ 2516.941032] [] dump_stack+0xd7/0x132 [ 2517.014656] [] ? arch_local_irq_restore+0x1b/0x1b [ 2517.097592] [] ubsan_epilogue+0x12/0x53 [ 2517.164846] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2517.254557] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2517.342271] [] ? assoc_array_gc+0x12e7/0x12e7 [ 2517.412464] [] update_cfs_shares+0x2c2/0x39d [ 2517.489364] [] enqueue_entity+0xa2f/0x16ab [ 2517.555257] [] enqueue_task_fair+0x91/0x22b [ 2517.655982] [] ? enqueue_task_fair+0x91/0x22b [ 2517.737172] [] enqueue_task+0xf3/0xfc [ 2517.805097] [] sched_move_task+0x164/0x1a8 [ 2517.881239] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2517.960851] [] ? __lock_task_sighand+0x168/0x17b [ 2518.033245] [] autogroup_move_group+0x2a9/0x318 [ 2518.103436] [] ? autogroup_task_get+0x15a/0x15a [ 2518.181077] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2518.281953] [] ? autogroup_move_group+0x318/0x318 [ 2518.359404] [] ? tty_kref_put+0x3b/0x40 [ 2518.426620] [] sys_setsid+0x35b/0x39f [ 2518.498968] [] ? SyS_getsid+0x12f/0x12f [ 2518.559105] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2518.750094] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2518.839455] ================================================================================ [ 2518.949897] ================================================================================ [ 2519.036775] UBSAN: Undefined behaviour in kernel/sched/fair.c:2567:8 [ 2519.135509] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2519.319581] which requires 64 byte alignment [ 2519.373026] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2519.435659] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2519.550551] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfab8 ffffffffb26ec5cc [ 2519.649924] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2519.723052] ffff880000000010 ffff88005c9dfae0 ffff88005c9dfa90 ffffffffb363c3e0 [ 2519.825837] Call Trace: [ 2519.855174] [] dump_stack+0xd7/0x132 [ 2519.927230] [] ? arch_local_irq_restore+0x1b/0x1b [ 2520.009595] [] ubsan_epilogue+0x12/0x53 [ 2520.084990] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2520.193703] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2520.269615] [] ? assoc_array_gc+0x12e7/0x12e7 [ 2520.352976] [] update_cfs_shares+0x378/0x39d [ 2520.414278] [] enqueue_entity+0xa2f/0x16ab [ 2520.472155] [] enqueue_task_fair+0x91/0x22b [ 2520.544676] [] ? enqueue_task_fair+0x91/0x22b [ 2520.615722] [] enqueue_task+0xf3/0xfc [ 2520.676350] [] sched_move_task+0x164/0x1a8 [ 2520.766283] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2520.856584] [] ? __lock_task_sighand+0x168/0x17b [ 2520.946329] [] autogroup_move_group+0x2a9/0x318 [ 2521.020893] [] ? autogroup_task_get+0x15a/0x15a [ 2521.089807] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2521.190742] [] ? autogroup_move_group+0x318/0x318 [ 2521.299575] [] ? tty_kref_put+0x3b/0x40 [ 2521.376711] [] sys_setsid+0x35b/0x39f [ 2521.455876] [] ? SyS_getsid+0x12f/0x12f [ 2521.540143] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2521.631735] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2521.708015] ================================================================================ [ 2521.810419] ================================================================================ [ 2521.959577] UBSAN: Undefined behaviour in kernel/sched/fair.c:4535:9 [ 2522.054491] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2522.181206] which requires 64 byte alignment [ 2522.227199] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2522.296181] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2522.419025] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfba0 ffffffffb26ec5cc [ 2522.517208] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2522.610112] ffffffff00000010 ffff88005c9dfbc8 ffff88005c9dfb78 ffffffffb363c3e0 [ 2522.692338] Call Trace: [ 2522.739546] [] dump_stack+0xd7/0x132 [ 2522.913347] [] ? arch_local_irq_restore+0x1b/0x1b [ 2522.984383] [] ubsan_epilogue+0x12/0x53 [ 2523.047404] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2523.111554] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2523.177722] [] enqueue_task_fair+0x3c/0x22b [ 2523.229660] [] enqueue_task+0xf3/0xfc [ 2523.280843] [] sched_move_task+0x164/0x1a8 [ 2523.336118] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2523.407713] [] ? __lock_task_sighand+0x168/0x17b [ 2523.562117] [] autogroup_move_group+0x2a9/0x318 [ 2523.635033] [] ? autogroup_task_get+0x15a/0x15a [ 2523.707234] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2523.780924] [] ? autogroup_move_group+0x318/0x318 [ 2523.856281] [] ? tty_kref_put+0x3b/0x40 [ 2523.923115] [] sys_setsid+0x35b/0x39f [ 2523.986627] [] ? SyS_getsid+0x12f/0x12f [ 2524.051153] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2524.148160] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2524.234935] ================================================================================ [ 2524.325344] ================================================================================ [ 2524.422272] UBSAN: Undefined behaviour in kernel/sched/fair.c:277:11 [ 2524.502760] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2524.612844] which requires 64 byte alignment [ 2524.668807] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2524.745699] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2524.894636] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfba0 ffffffffb26ec5cc [ 2524.994600] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2525.078774] ffffffff00000010 ffff88005c9dfbc8 ffff88005c9dfb78 ffffffffb363c3e0 [ 2525.175723] Call Trace: [ 2525.207311] [] dump_stack+0xd7/0x132 [ 2525.270359] [] ? arch_local_irq_restore+0x1b/0x1b [ 2525.353964] [] ubsan_epilogue+0x12/0x53 [ 2525.418606] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2525.535638] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2525.627722] [] enqueue_task_fair+0x70/0x22b [ 2525.694797] [] enqueue_task+0xf3/0xfc [ 2525.770079] [] sched_move_task+0x164/0x1a8 [ 2525.840995] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2525.921779] [] ? __lock_task_sighand+0x168/0x17b [ 2526.005979] [] autogroup_move_group+0x2a9/0x318 [ 2526.070939] [] ? autogroup_task_get+0x15a/0x15a [ 2526.140811] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2526.221518] [] ? autogroup_move_group+0x318/0x318 [ 2526.300141] [] ? tty_kref_put+0x3b/0x40 [ 2526.373480] [] sys_setsid+0x35b/0x39f [ 2526.430794] [] ? SyS_getsid+0x12f/0x12f [ 2526.494452] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2526.580949] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2526.678801] ================================================================================ [ 2526.781459] ================================================================================ [ 2526.891880] UBSAN: Undefined behaviour in kernel/sched/fair.c:805:25 [ 2526.979396] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2527.095861] which requires 64 byte alignment [ 2527.149328] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2527.219587] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2527.333842] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa50 ffffffffb26ec5cc [ 2527.452694] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2527.545980] 0000000000000010 ffff88005c9dfa78 ffff88005c9dfa28 ffffffffb363c3e0 [ 2527.624193] Call Trace: [ 2527.653551] [] dump_stack+0xd7/0x132 [ 2527.722720] [] ? arch_local_irq_restore+0x1b/0x1b [ 2527.810340] [] ubsan_epilogue+0x12/0x53 [ 2527.862845] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2527.951124] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2528.043592] [] ? vprintk_default+0x65/0x6e [ 2528.117675] [] update_curr+0x115/0x564 [ 2528.186476] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2528.277710] [] ? is_ftrace_trampoline+0x80/0x153 [ 2528.373788] [] enqueue_entity+0xea/0x16ab [ 2528.437879] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2528.515413] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2528.595551] [] enqueue_task_fair+0x91/0x22b [ 2528.670365] [] ? enqueue_task_fair+0x91/0x22b [ 2528.750070] [] enqueue_task+0xf3/0xfc [ 2528.806324] [] sched_move_task+0x164/0x1a8 [ 2528.880809] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2528.957036] [] ? __lock_task_sighand+0x168/0x17b [ 2529.038033] [] autogroup_move_group+0x2a9/0x318 [ 2529.114488] [] ? autogroup_task_get+0x15a/0x15a [ 2529.190996] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2529.283123] [] ? autogroup_move_group+0x318/0x318 [ 2529.370228] [] ? tty_kref_put+0x3b/0x40 [ 2529.466824] [] sys_setsid+0x35b/0x39f [ 2529.564266] [] ? SyS_getsid+0x12f/0x12f [ 2529.646677] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2529.735710] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2529.814214] ================================================================================ [ 2529.911264] ================================================================================ [ 2530.016560] UBSAN: Undefined behaviour in kernel/sched/fair.c:809:19 [ 2530.113864] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2530.246005] which requires 64 byte alignment [ 2530.302881] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2530.365890] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2530.488649] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa50 ffffffffb26ec5cc [ 2530.587749] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2530.678987] 0000000000000010 ffff88005c9dfa78 ffff88005c9dfa28 ffffffffb363c3e0 [ 2530.854259] Call Trace: [ 2530.890595] [] dump_stack+0xd7/0x132 [ 2530.956280] [] ? arch_local_irq_restore+0x1b/0x1b [ 2531.027015] [] ubsan_epilogue+0x12/0x53 [ 2531.088240] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2531.170716] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2531.248125] [] ? vprintk_default+0x65/0x6e [ 2531.315766] [] update_curr+0x147/0x564 [ 2531.374687] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2531.443512] [] ? is_ftrace_trampoline+0x80/0x153 [ 2531.523742] [] enqueue_entity+0xea/0x16ab [ 2531.595514] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2531.674814] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2531.762767] [] enqueue_task_fair+0x91/0x22b [ 2531.830720] [] ? enqueue_task_fair+0x91/0x22b [ 2531.910184] [] enqueue_task+0xf3/0xfc [ 2531.970511] [] sched_move_task+0x164/0x1a8 [ 2532.032001] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2532.111207] [] ? __lock_task_sighand+0x168/0x17b [ 2532.178598] [] autogroup_move_group+0x2a9/0x318 [ 2532.256154] [] ? autogroup_task_get+0x15a/0x15a [ 2532.324031] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2532.412601] [] ? autogroup_move_group+0x318/0x318 [ 2532.477108] [] ? tty_kref_put+0x3b/0x40 [ 2532.546583] [] sys_setsid+0x35b/0x39f [ 2532.610864] [] ? SyS_getsid+0x12f/0x12f [ 2532.670888] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2532.736260] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2532.811281] ================================================================================ [ 2532.935346] ================================================================================ [ 2533.033646] UBSAN: Undefined behaviour in kernel/sched/fair.c:814:25 [ 2533.106938] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2533.208689] which requires 64 byte alignment [ 2533.258311] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2533.327341] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2533.437204] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa50 ffffffffb26ec5cc [ 2533.526522] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2533.613421] 0000000000000010 ffff88005c9dfa78 ffff88005c9dfa28 ffffffffb363c3e0 [ 2533.698490] Call Trace: [ 2533.718757] [] dump_stack+0xd7/0x132 [ 2533.787387] [] ? arch_local_irq_restore+0x1b/0x1b [ 2533.863602] [] ubsan_epilogue+0x12/0x53 [ 2533.940182] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2534.030784] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2534.129066] [] ? vprintk_default+0x65/0x6e [ 2534.195806] [] update_curr+0x169/0x564 [ 2534.272885] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2534.368008] [] ? is_ftrace_trampoline+0x80/0x153 [ 2534.448668] [] enqueue_entity+0xea/0x16ab [ 2534.531819] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2534.629152] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2534.735246] [] enqueue_task_fair+0x91/0x22b [ 2534.815668] [] ? enqueue_task_fair+0x91/0x22b [ 2534.886082] [] enqueue_task+0xf3/0xfc [ 2534.952464] [] sched_move_task+0x164/0x1a8 [ 2535.019811] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2535.093319] [] ? __lock_task_sighand+0x168/0x17b [ 2535.162825] [] autogroup_move_group+0x2a9/0x318 [ 2535.236776] [] ? autogroup_task_get+0x15a/0x15a [ 2535.302482] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2535.394929] [] ? autogroup_move_group+0x318/0x318 [ 2535.460246] [] ? tty_kref_put+0x3b/0x40 [ 2535.532846] [] sys_setsid+0x35b/0x39f [ 2535.590912] [] ? SyS_getsid+0x12f/0x12f [ 2535.659613] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2535.764983] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2535.837431] ================================================================================ [ 2535.940010] ================================================================================ [ 2536.056913] UBSAN: Undefined behaviour in kernel/sched/fair.c:814:25 [ 2536.142473] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2536.259740] which requires 64 byte alignment [ 2536.324008] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2536.390525] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2536.509084] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa50 ffffffffb26ec5cc [ 2536.615802] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2536.715949] 0000000000000010 ffff88005c9dfa78 ffff88005c9dfa28 ffffffffb363c3e0 [ 2536.807751] Call Trace: [ 2536.834899] [] dump_stack+0xd7/0x132 [ 2536.904276] [] ? arch_local_irq_restore+0x1b/0x1b [ 2536.978506] [] ubsan_epilogue+0x12/0x53 [ 2537.048848] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2537.211824] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2537.412132] [] ? vprintk_default+0x65/0x6e [ 2537.518745] [] update_curr+0x192/0x564 [ 2537.622534] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2537.760875] [] ? is_ftrace_trampoline+0x80/0x153 [ 2537.847949] [] enqueue_entity+0xea/0x16ab [ 2537.940319] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2538.033574] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2538.115992] [] enqueue_task_fair+0x91/0x22b [ 2538.184253] [] ? enqueue_task_fair+0x91/0x22b [ 2538.251383] [] enqueue_task+0xf3/0xfc [ 2538.328771] [] sched_move_task+0x164/0x1a8 [ 2538.398345] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2538.481653] [] ? __lock_task_sighand+0x168/0x17b [ 2538.568954] [] autogroup_move_group+0x2a9/0x318 [ 2538.632513] [] ? autogroup_task_get+0x15a/0x15a [ 2538.714966] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2538.805970] [] ? autogroup_move_group+0x318/0x318 [ 2538.885921] [] ? tty_kref_put+0x3b/0x40 [ 2538.951325] [] sys_setsid+0x35b/0x39f [ 2539.003499] [] ? SyS_getsid+0x12f/0x12f [ 2539.079638] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2539.171675] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2539.243533] ================================================================================ [ 2539.353676] ================================================================================ [ 2539.468989] UBSAN: Undefined behaviour in kernel/sched/fair.c:604:6 [ 2539.548509] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2539.682518] which requires 64 byte alignment [ 2539.749380] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2539.837714] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2539.967938] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa50 ffffffffb26ec5cc [ 2540.067586] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2540.193367] 0000000000000010 ffff88005c9dfa78 ffff88005c9dfa28 ffffffffb363c3e0 [ 2540.293318] Call Trace: [ 2540.316512] [] dump_stack+0xd7/0x132 [ 2540.389123] [] ? arch_local_irq_restore+0x1b/0x1b [ 2540.463642] [] ubsan_epilogue+0x12/0x53 [ 2540.533227] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2540.613711] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2540.697805] [] ? vprintk_default+0x65/0x6e [ 2540.772473] [] update_curr+0x1b4/0x564 [ 2540.833507] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2540.919912] [] ? is_ftrace_trampoline+0x80/0x153 [ 2541.008567] [] enqueue_entity+0xea/0x16ab [ 2541.077931] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2541.158353] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2541.249580] [] enqueue_task_fair+0x91/0x22b [ 2541.329969] [] ? enqueue_task_fair+0x91/0x22b [ 2541.406643] [] enqueue_task+0xf3/0xfc [ 2541.467492] [] sched_move_task+0x164/0x1a8 [ 2541.531878] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2541.613979] [] ? __lock_task_sighand+0x168/0x17b [ 2541.683570] [] autogroup_move_group+0x2a9/0x318 [ 2541.769227] [] ? autogroup_task_get+0x15a/0x15a [ 2541.838717] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2541.932592] [] ? autogroup_move_group+0x318/0x318 [ 2542.026072] [] ? tty_kref_put+0x3b/0x40 [ 2542.092684] [] sys_setsid+0x35b/0x39f [ 2542.155941] [] ? SyS_getsid+0x12f/0x12f [ 2542.216622] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2542.294209] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2542.363512] ================================================================================ [ 2542.470645] ================================================================================ [ 2542.572079] UBSAN: Undefined behaviour in kernel/sched/fair.c:817:17 [ 2542.654353] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2542.767106] which requires 64 byte alignment [ 2542.811980] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2542.877367] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2542.991039] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa50 ffffffffb26ec5cc [ 2543.102670] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2543.199426] 0000000000000010 ffff88005c9dfa78 ffff88005c9dfa28 ffffffffb363c3e0 [ 2543.300298] Call Trace: [ 2543.335777] [] dump_stack+0xd7/0x132 [ 2543.390930] [] ? arch_local_irq_restore+0x1b/0x1b [ 2543.466184] [] ubsan_epilogue+0x12/0x53 [ 2543.531870] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2543.615059] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2543.699458] [] ? vprintk_default+0x65/0x6e [ 2543.766820] [] update_curr+0x1f4/0x564 [ 2543.843178] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2543.917451] [] ? is_ftrace_trampoline+0x80/0x153 [ 2543.993888] [] enqueue_entity+0xea/0x16ab [ 2544.075256] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2544.160662] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2544.250607] [] enqueue_task_fair+0x91/0x22b [ 2544.319456] [] ? enqueue_task_fair+0x91/0x22b [ 2544.388646] [] enqueue_task+0xf3/0xfc [ 2544.450222] [] sched_move_task+0x164/0x1a8 [ 2544.519779] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2544.597072] [] ? __lock_task_sighand+0x168/0x17b [ 2544.673611] [] autogroup_move_group+0x2a9/0x318 [ 2544.759109] [] ? autogroup_task_get+0x15a/0x15a [ 2544.836348] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2544.918463] [] ? autogroup_move_group+0x318/0x318 [ 2545.047767] [] ? tty_kref_put+0x3b/0x40 [ 2545.134254] [] sys_setsid+0x35b/0x39f [ 2545.203907] [] ? SyS_getsid+0x12f/0x12f [ 2545.272651] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2545.356151] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2545.468464] ================================================================================ [ 2545.592888] ================================================================================ [ 2545.716065] UBSAN: Undefined behaviour in kernel/sched/fair.c:464:11 [ 2545.792417] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2545.904618] which requires 64 byte alignment [ 2545.968560] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2546.033844] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2546.160279] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa18 ffffffffb26ec5cc [ 2546.248617] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2546.350561] 0000000000000010 ffff88005c9dfa40 ffff88005c9df9f0 ffffffffb363c3e0 [ 2546.446705] Call Trace: [ 2546.478709] [] dump_stack+0xd7/0x132 [ 2546.570335] [] ? arch_local_irq_restore+0x1b/0x1b [ 2546.652141] [] ubsan_epilogue+0x12/0x53 [ 2546.748143] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2546.877658] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2546.962756] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2547.053593] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2547.151367] [] update_min_vruntime+0x7f/0x1b0 [ 2547.225778] [] update_curr+0x20c/0x564 [ 2547.297282] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2547.381143] [] ? is_ftrace_trampoline+0x80/0x153 [ 2547.450330] [] enqueue_entity+0xea/0x16ab [ 2547.514215] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2547.593661] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2547.680632] [] enqueue_task_fair+0x91/0x22b [ 2547.747247] [] ? enqueue_task_fair+0x91/0x22b [ 2547.812204] [] enqueue_task+0xf3/0xfc [ 2547.873966] [] sched_move_task+0x164/0x1a8 [ 2547.938594] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2548.021596] [] ? __lock_task_sighand+0x168/0x17b [ 2548.095383] [] autogroup_move_group+0x2a9/0x318 [ 2548.171029] [] ? autogroup_task_get+0x15a/0x15a [ 2548.234711] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2548.314451] [] ? autogroup_move_group+0x318/0x318 [ 2548.389924] [] ? tty_kref_put+0x3b/0x40 [ 2548.450444] [] sys_setsid+0x35b/0x39f [ 2548.515168] [] ? SyS_getsid+0x12f/0x12f [ 2548.585561] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2548.670126] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2548.753532] ================================================================================ [ 2548.854039] ================================================================================ [ 2548.953596] UBSAN: Undefined behaviour in kernel/sched/fair.c:820:6 [ 2549.027402] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2549.131008] which requires 64 byte alignment [ 2549.186118] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2549.274366] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2549.408340] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa50 ffffffffb26ec5cc [ 2549.519775] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2549.638954] 0000000000000010 ffff88005c9dfa78 ffff88005c9dfa28 ffffffffb363c3e0 [ 2549.749510] Call Trace: [ 2549.786684] [] dump_stack+0xd7/0x132 [ 2549.846628] [] ? arch_local_irq_restore+0x1b/0x1b [ 2549.962169] [] ubsan_epilogue+0x12/0x53 [ 2550.032436] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2550.142618] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2550.249992] [] update_curr+0x225/0x564 [ 2550.318125] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2550.400180] [] ? is_ftrace_trampoline+0x80/0x153 [ 2550.486311] [] enqueue_entity+0xea/0x16ab [ 2550.561428] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2550.650785] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2550.755609] [] enqueue_task_fair+0x91/0x22b [ 2550.829560] [] ? enqueue_task_fair+0x91/0x22b [ 2550.918196] [] enqueue_task+0xf3/0xfc [ 2550.985858] [] sched_move_task+0x164/0x1a8 [ 2551.077143] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2551.173965] [] ? __lock_task_sighand+0x168/0x17b [ 2551.265589] [] autogroup_move_group+0x2a9/0x318 [ 2551.333948] [] ? autogroup_task_get+0x15a/0x15a [ 2551.425663] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2551.545777] [] ? autogroup_move_group+0x318/0x318 [ 2551.661237] [] ? tty_kref_put+0x3b/0x40 [ 2551.766728] [] sys_setsid+0x35b/0x39f [ 2551.864052] [] ? SyS_getsid+0x12f/0x12f [ 2551.924702] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2552.023252] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2552.113653] ================================================================================ [ 2552.227546] ================================================================================ [ 2552.331122] UBSAN: Undefined behaviour in kernel/sched/fair.c:3078:6 [ 2552.427822] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2552.551606] which requires 64 byte alignment [ 2552.608512] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2552.678227] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2552.800164] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfaf8 ffffffffb26ec5cc [ 2552.908173] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2552.998911] ffffffff00000010 ffff88005c9dfb20 ffff88005c9dfad0 ffffffffb363c3e0 [ 2553.103335] Call Trace: [ 2553.137707] [] dump_stack+0xd7/0x132 [ 2553.209526] [] ? arch_local_irq_restore+0x1b/0x1b [ 2553.297890] [] ubsan_epilogue+0x12/0x53 [ 2553.384379] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2553.472490] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2553.571668] [] ? is_ftrace_trampoline+0x80/0x153 [ 2553.677914] [] enqueue_entity+0x1f8/0x16ab [ 2553.757306] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2553.846931] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2553.944455] [] enqueue_task_fair+0x91/0x22b [ 2554.017711] [] ? enqueue_task_fair+0x91/0x22b [ 2554.090022] [] enqueue_task+0xf3/0xfc [ 2554.167265] [] sched_move_task+0x164/0x1a8 [ 2554.242884] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2554.329486] [] ? __lock_task_sighand+0x168/0x17b [ 2554.413997] [] autogroup_move_group+0x2a9/0x318 [ 2554.487895] [] ? autogroup_task_get+0x15a/0x15a [ 2554.562634] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2554.637358] [] ? autogroup_move_group+0x318/0x318 [ 2554.716332] [] ? tty_kref_put+0x3b/0x40 [ 2554.782623] [] sys_setsid+0x35b/0x39f [ 2554.853789] [] ? SyS_getsid+0x12f/0x12f [ 2554.922482] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2555.006073] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2555.088344] ================================================================================ [ 2555.192459] ================================================================================ [ 2555.306080] UBSAN: Undefined behaviour in kernel/sched/fair.c:3078:16 [ 2555.379842] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2555.544717] which requires 64 byte alignment [ 2555.605427] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2555.674479] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2555.789005] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfaf8 ffffffffb26ec5cc [ 2555.895055] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2555.989979] ffffffff00000010 ffff88005c9dfb20 ffff88005c9dfad0 ffffffffb363c3e0 [ 2556.094108] Call Trace: [ 2556.141160] [] dump_stack+0xd7/0x132 [ 2556.208262] [] ? arch_local_irq_restore+0x1b/0x1b [ 2556.285961] [] ubsan_epilogue+0x12/0x53 [ 2556.354322] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2556.437353] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2556.529277] [] ? is_ftrace_trampoline+0x80/0x153 [ 2556.606855] [] enqueue_entity+0x21e/0x16ab [ 2556.670576] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2556.761790] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2556.850118] [] enqueue_task_fair+0x91/0x22b [ 2556.923906] [] ? enqueue_task_fair+0x91/0x22b [ 2557.006167] [] enqueue_task+0xf3/0xfc [ 2557.073502] [] sched_move_task+0x164/0x1a8 [ 2557.138565] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2557.210972] [] ? __lock_task_sighand+0x168/0x17b [ 2557.299172] [] autogroup_move_group+0x2a9/0x318 [ 2557.382461] [] ? autogroup_task_get+0x15a/0x15a [ 2557.479633] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2557.572324] [] ? autogroup_move_group+0x318/0x318 [ 2557.659541] [] ? tty_kref_put+0x3b/0x40 [ 2557.720046] [] sys_setsid+0x35b/0x39f [ 2557.799047] [] ? SyS_getsid+0x12f/0x12f [ 2557.879114] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2557.958523] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2558.035996] ================================================================================ [ 2558.135643] ================================================================================ [ 2558.246849] UBSAN: Undefined behaviour in kernel/sched/fair.c:2489:2 [ 2558.319025] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2558.430815] which requires 64 byte alignment [ 2558.494501] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2558.566613] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2558.670646] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfac0 ffffffffb26ec5cc [ 2558.763765] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2558.862540] ffffffff00000010 ffff88005c9dfae8 ffff88005c9dfa98 ffffffffb363c3e0 [ 2558.951216] Call Trace: [ 2558.986581] [] dump_stack+0xd7/0x132 [ 2559.052261] [] ? arch_local_irq_restore+0x1b/0x1b [ 2559.127541] [] ubsan_epilogue+0x12/0x53 [ 2559.179257] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2559.252827] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2559.339221] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2559.427198] [] account_entity_enqueue+0x32/0x36a [ 2559.509620] [] enqueue_entity+0xa27/0x16ab [ 2559.569667] [] enqueue_task_fair+0x91/0x22b [ 2559.645127] [] ? enqueue_task_fair+0x91/0x22b [ 2559.725217] [] enqueue_task+0xf3/0xfc [ 2559.791962] [] sched_move_task+0x164/0x1a8 [ 2559.853974] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2559.947905] [] ? __lock_task_sighand+0x168/0x17b [ 2560.024401] [] autogroup_move_group+0x2a9/0x318 [ 2560.099220] [] ? autogroup_task_get+0x15a/0x15a [ 2560.172511] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2560.253492] [] ? autogroup_move_group+0x318/0x318 [ 2560.330417] [] ? tty_kref_put+0x3b/0x40 [ 2560.414700] [] sys_setsid+0x35b/0x39f [ 2560.483931] [] ? SyS_getsid+0x12f/0x12f [ 2560.565546] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2560.647564] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2560.728095] ================================================================================ [ 2560.840418] ================================================================================ [ 2560.936963] UBSAN: Undefined behaviour in kernel/sched/fair.c:332:11 [ 2561.009574] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2561.131398] which requires 64 byte alignment [ 2561.185362] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2561.248751] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2561.359662] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfac0 ffffffffb26ec5cc [ 2561.444765] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2561.550565] ffffffff00000010 ffff88005c9dfae8 ffff88005c9dfa98 ffffffffb363c3e0 [ 2561.651802] Call Trace: [ 2561.689538] [] dump_stack+0xd7/0x132 [ 2561.754003] [] ? arch_local_irq_restore+0x1b/0x1b [ 2561.832354] [] ubsan_epilogue+0x12/0x53 [ 2561.910304] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2562.008310] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2562.091463] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2562.188555] [] account_entity_enqueue+0xc1/0x36a [ 2562.261320] [] enqueue_entity+0xa27/0x16ab [ 2562.348452] [] enqueue_task_fair+0x91/0x22b [ 2562.425274] [] ? enqueue_task_fair+0x91/0x22b [ 2562.503337] [] enqueue_task+0xf3/0xfc [ 2562.572401] [] sched_move_task+0x164/0x1a8 [ 2562.649555] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2562.728642] [] ? __lock_task_sighand+0x168/0x17b [ 2562.808698] [] autogroup_move_group+0x2a9/0x318 [ 2562.884625] [] ? autogroup_task_get+0x15a/0x15a [ 2562.947217] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2563.032330] [] ? autogroup_move_group+0x318/0x318 [ 2563.099237] [] ? tty_kref_put+0x3b/0x40 [ 2563.173507] [] sys_setsid+0x35b/0x39f [ 2563.246004] [] ? SyS_getsid+0x12f/0x12f [ 2563.317941] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2563.391961] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2563.493636] ================================================================================ [ 2563.640065] ================================================================================ [ 2563.743253] UBSAN: Undefined behaviour in kernel/sched/fair.c:2491:3 [ 2563.818700] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2563.938645] which requires 64 byte alignment [ 2563.997432] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2564.069429] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2564.225372] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfac0 ffffffffb26ec5cc [ 2564.329260] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2564.475423] ffffffff00000010 ffff88005c9dfae8 ffff88005c9dfa98 ffffffffb363c3e0 [ 2564.581213] Call Trace: [ 2564.602006] [] dump_stack+0xd7/0x132 [ 2564.670777] [] ? arch_local_irq_restore+0x1b/0x1b [ 2564.752874] [] ubsan_epilogue+0x12/0x53 [ 2564.818103] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2564.903031] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2564.994881] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2565.094139] [] account_entity_enqueue+0xf7/0x36a [ 2565.200506] [] enqueue_entity+0xa27/0x16ab [ 2565.293789] [] enqueue_task_fair+0x91/0x22b [ 2565.371806] [] ? enqueue_task_fair+0x91/0x22b [ 2565.467273] [] enqueue_task+0xf3/0xfc [ 2565.541746] [] sched_move_task+0x164/0x1a8 [ 2565.634079] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2565.722004] [] ? __lock_task_sighand+0x168/0x17b [ 2565.791694] [] autogroup_move_group+0x2a9/0x318 [ 2565.882703] [] ? autogroup_task_get+0x15a/0x15a [ 2565.971069] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2566.062633] [] ? autogroup_move_group+0x318/0x318 [ 2566.178530] [] ? tty_kref_put+0x3b/0x40 [ 2566.272517] [] sys_setsid+0x35b/0x39f [ 2566.359512] [] ? SyS_getsid+0x12f/0x12f [ 2566.436662] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2566.530300] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2566.618953] ================================================================================ [ 2566.743599] ================================================================================ [ 2566.870680] UBSAN: Undefined behaviour in kernel/sched/fair.c:2493:6 [ 2566.974625] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2567.118531] which requires 64 byte alignment [ 2567.164854] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2567.246621] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2567.365260] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfac0 ffffffffb26ec5cc [ 2567.471441] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2567.579878] ffffffff00000010 ffff88005c9dfae8 ffff88005c9dfa98 ffffffffb363c3e0 [ 2567.668788] Call Trace: [ 2567.707420] [] dump_stack+0xd7/0x132 [ 2567.792325] [] ? arch_local_irq_restore+0x1b/0x1b [ 2567.885917] [] ubsan_epilogue+0x12/0x53 [ 2567.951519] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2568.071018] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2568.157003] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2568.251620] [] account_entity_enqueue+0x1b4/0x36a [ 2568.341740] [] enqueue_entity+0xa27/0x16ab [ 2568.423375] [] enqueue_task_fair+0x91/0x22b [ 2568.495038] [] ? enqueue_task_fair+0x91/0x22b [ 2568.571873] [] enqueue_task+0xf3/0xfc [ 2568.652030] [] sched_move_task+0x164/0x1a8 [ 2568.743447] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2568.833486] [] ? __lock_task_sighand+0x168/0x17b [ 2568.923589] [] autogroup_move_group+0x2a9/0x318 [ 2569.029158] [] ? autogroup_task_get+0x15a/0x15a [ 2569.109975] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2569.220346] [] ? autogroup_move_group+0x318/0x318 [ 2569.316054] [] ? tty_kref_put+0x3b/0x40 [ 2569.382632] [] sys_setsid+0x35b/0x39f [ 2569.459887] [] ? SyS_getsid+0x12f/0x12f [ 2569.540430] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2569.636103] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2569.725007] ================================================================================ [ 2569.826775] ================================================================================ [ 2569.933605] UBSAN: Undefined behaviour in kernel/sched/fair.c:3303:17 [ 2570.030876] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2570.155263] which requires 64 byte alignment [ 2570.204002] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2570.269830] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2570.391153] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfaf8 ffffffffb26ec5cc [ 2570.495678] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2570.582123] 0000000000000010 ffff88005c9dfb20 ffff88005c9dfad0 ffffffffb363c3e0 [ 2570.697694] Call Trace: [ 2570.732231] [] dump_stack+0xd7/0x132 [ 2570.804929] [] ? arch_local_irq_restore+0x1b/0x1b [ 2570.888742] [] ubsan_epilogue+0x12/0x53 [ 2570.957474] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2571.047196] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2571.138439] [] ? update_cfs_shares+0xf2/0x39d [ 2571.212501] [] enqueue_entity+0xa8d/0x16ab [ 2571.276813] [] enqueue_task_fair+0x91/0x22b [ 2571.357113] [] ? enqueue_task_fair+0x91/0x22b [ 2571.425815] [] enqueue_task+0xf3/0xfc [ 2571.485114] [] sched_move_task+0x164/0x1a8 [ 2571.552755] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2571.629718] [] ? __lock_task_sighand+0x168/0x17b [ 2571.703700] [] autogroup_move_group+0x2a9/0x318 [ 2571.781289] [] ? autogroup_task_get+0x15a/0x15a [ 2571.852171] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2571.932040] [] ? autogroup_move_group+0x318/0x318 [ 2572.013560] [] ? tty_kref_put+0x3b/0x40 [ 2572.092525] [] sys_setsid+0x35b/0x39f [ 2572.158107] [] ? SyS_getsid+0x12f/0x12f [ 2572.221657] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2572.304200] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2572.377790] ================================================================================ [ 2572.483211] ================================================================================ [ 2572.576702] UBSAN: Undefined behaviour in kernel/sched/fair.c:3303:15 [ 2572.656531] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2572.769186] which requires 64 byte alignment [ 2572.811361] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2572.877655] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2572.994621] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfaf8 ffffffffb26ec5cc [ 2573.078352] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2573.169553] 0000000000000010 ffff88005c9dfb20 ffff88005c9dfad0 ffffffffb363c3e0 [ 2573.263328] Call Trace: [ 2573.301873] [] dump_stack+0xd7/0x132 [ 2573.361530] [] ? arch_local_irq_restore+0x1b/0x1b [ 2573.436938] [] ubsan_epilogue+0x12/0x53 [ 2573.504343] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2573.594813] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2573.671679] [] ? update_cfs_shares+0xf2/0x39d [ 2573.746201] [] enqueue_entity+0xac0/0x16ab [ 2573.814228] [] enqueue_task_fair+0x91/0x22b [ 2573.889091] [] ? enqueue_task_fair+0x91/0x22b [ 2573.958653] [] enqueue_task+0xf3/0xfc [ 2574.023230] [] sched_move_task+0x164/0x1a8 [ 2574.102091] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2574.178688] [] ? __lock_task_sighand+0x168/0x17b [ 2574.249017] [] autogroup_move_group+0x2a9/0x318 [ 2574.327894] [] ? autogroup_task_get+0x15a/0x15a [ 2574.419742] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2574.536900] [] ? autogroup_move_group+0x318/0x318 [ 2574.624240] [] ? tty_kref_put+0x3b/0x40 [ 2574.724614] [] sys_setsid+0x35b/0x39f [ 2574.830617] [] ? SyS_getsid+0x12f/0x12f [ 2574.912280] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2574.991632] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2575.065382] ================================================================================ [ 2575.166982] ================================================================================ [ 2575.277499] UBSAN: Undefined behaviour in kernel/sched/fair.c:3400:12 [ 2575.355252] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2575.465790] which requires 64 byte alignment [ 2575.516523] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2575.594589] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2575.704570] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfaf8 ffffffffb26ec5cc [ 2575.791256] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2575.885343] 0000000000000010 ffff88005c9dfb20 ffff88005c9dfad0 ffffffffb363c3e0 [ 2575.989260] Call Trace: [ 2576.016706] [] dump_stack+0xd7/0x132 [ 2576.077053] [] ? arch_local_irq_restore+0x1b/0x1b [ 2576.159210] [] ubsan_epilogue+0x12/0x53 [ 2576.227812] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2576.323705] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2576.407691] [] ? update_cfs_shares+0xf2/0x39d [ 2576.493527] [] enqueue_entity+0xc31/0x16ab [ 2576.570747] [] enqueue_task_fair+0x91/0x22b [ 2576.636113] [] ? enqueue_task_fair+0x91/0x22b [ 2576.709308] [] enqueue_task+0xf3/0xfc [ 2576.779489] [] sched_move_task+0x164/0x1a8 [ 2576.854686] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2576.937724] [] ? __lock_task_sighand+0x168/0x17b [ 2577.024261] [] autogroup_move_group+0x2a9/0x318 [ 2577.102694] [] ? autogroup_task_get+0x15a/0x15a [ 2577.175671] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2577.320457] [] ? autogroup_move_group+0x318/0x318 [ 2577.396420] [] ? tty_kref_put+0x3b/0x40 [ 2577.465726] [] sys_setsid+0x35b/0x39f [ 2577.527309] [] ? SyS_getsid+0x12f/0x12f [ 2577.590357] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2577.676611] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2577.756692] ================================================================================ [ 2577.884254] ================================================================================ [ 2578.051607] UBSAN: Undefined behaviour in kernel/sched/fair.c:4534:2 [ 2578.120152] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2578.253235] which requires 64 byte alignment [ 2578.296614] CPU: 3 PID: 1 Comm: init Not tainted 4.8.11 #1 [ 2578.363644] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2578.473176] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfba0 ffffffffb26ec5cc [ 2578.556245] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2578.653474] ffffffff00000010 ffff88005c9dfbc8 ffff88005c9dfb78 ffffffffb363c3e0 [ 2578.748035] Call Trace: [ 2578.785305] [] dump_stack+0xd7/0x132 [ 2578.859842] [] ? arch_local_irq_restore+0x1b/0x1b [ 2578.945135] [] ubsan_epilogue+0x12/0x53 [ 2579.027312] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2579.111374] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2579.192659] [] enqueue_task_fair+0x102/0x22b [ 2579.253992] [] enqueue_task+0xf3/0xfc [ 2579.313875] [] sched_move_task+0x164/0x1a8 [ 2579.402566] [] ? cpu_cgroup_css_released+0x10/0x10 [ 2579.488085] [] ? __lock_task_sighand+0x168/0x17b [ 2579.563220] [] autogroup_move_group+0x2a9/0x318 [ 2579.625664] [] ? autogroup_task_get+0x15a/0x15a [ 2579.723377] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2579.804195] [] ? autogroup_move_group+0x318/0x318 [ 2579.887908] [] ? tty_kref_put+0x3b/0x40 [ 2579.957893] [] sys_setsid+0x35b/0x39f [ 2580.018947] [] ? SyS_getsid+0x12f/0x12f [ 2580.073929] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2580.149293] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2580.239061] ================================================================================ [ 2580.340682] INFO: rcu_sched self-detected stall on CPU[ 2580.341085] INFO: rcu_sched detected stalls on CPUs/tasks: [ 2580.341096] 3-...: (2 ticks this GP) idle=961/140000000000001/0 softirq=1652/1652 fqs=306 [ 2580.341097] (detected by 0, t=23996 jiffies, g=-160, c=-161, q=3) [ 2580.341104] Task dump for CPU 3: [ 2580.341106] init R running task 0 1 0 0x0000000a [ 2580.341116] 0000000000000003 ffff88005c9dfc58 ffffffffb27876e2 ffffffffb43126e4 [ 2580.341124] 0000000041b58ab3 ffffffffb3a46a8f ffffffffb27874b9 0000000000000000 [ 2580.341131] 0000000000000002 ffff8800a2493230 0000024905cb8eb1 0000000000000266 [ 2580.341138] Call Trace: [ 2580.341150] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2580.341157] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2580.341165] [] ? hrtick_update+0x48/0xeb [ 2580.341172] [] ? enqueue_task_fair+0x220/0x22b [ 2580.341180] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2580.341187] [] ? autogroup_move_group+0x1d1/0x318 [ 2580.341195] [] ? arch_local_irq_restore+0x6/0xd [ 2580.341202] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2580.341209] [] ? autogroup_move_group+0x1e7/0x318 [ 2580.341216] [] ? autogroup_task_get+0x15a/0x15a [ 2580.341223] [] ? sched_autogroup_create_attach+0x1e1/0x21f [ 2580.341230] [] ? autogroup_move_group+0x318/0x318 [ 2580.341236] [] ? tty_kref_put+0x3b/0x40 [ 2580.341242] [] ? sys_setsid+0x35b/0x39f [ 2580.341247] [] ? SyS_getsid+0x12f/0x12f [ 2580.341255] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2580.341263] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2580.341271] rcu_sched kthread starved for 21351 jiffies! g18446744073709551456 c18446744073709551455 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x1 [ 2580.341273] rcu_sched S ffff88005ca6fb38 0 8 2 0x00000000 [ 2580.341280] ffffffffb32a8cb8 ffff88005d522bc0 0000000000000000 1ffff1000b94df4e [ 2580.341287] 00000000488303e8 ffff88005d5222c0 ffff88005c9ebb48 ffff88005c9ebb40 [ 2580.341295] 0000000041b58ab3 ffffffffb3a49689 ffffffffb32a876d 0000000000000086 [ 2580.341301] Call Trace: [ 2580.341307] [] ? __schedule+0x54b/0x126c [ 2580.341314] [] ? io_schedule_timeout+0x33d/0x33d [ 2580.341319] [] ? __list_add+0x211/0x249 [ 2580.341325] [] ? assoc_array_gc+0x12e7/0x12e7 [ 2580.341332] [] ? rcu_cleanup_dead_rnp.part.38+0x135/0x135 [ 2580.341338] [] ? schedule+0x162/0x1a3 [ 2580.341345] [] ? schedule_timeout+0x18a/0x203 [ 2580.341351] [] ? usleep_range+0xfe/0xfe [ 2580.341357] [] ? __prepare_to_swait+0xac/0xac [ 2580.341364] [] ? calc_wheel_index+0x144/0x144 [ 2580.341370] [] ? prepare_to_swait_event+0xd3/0xe1 [ 2580.341377] [] ? rcu_gp_kthread+0x59f/0xf5f [ 2580.341383] [] ? rcu_gp_kthread+0x59f/0xf5f [ 2580.341390] [] ? force_qs_rnp+0x3a3/0x3a3 [ 2580.341397] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 2580.341403] [] ? balance_callback+0x3a/0x137 [ 2580.341409] [] ? __schedule+0x123d/0x126c [ 2580.341416] [] ? cpu_cgroup_can_attach+0x114/0x14d [ 2580.341422] [] ? __wake_up_common+0xe0/0x14f [ 2580.341428] [] ? kthread+0x1f7/0x20b [ 2580.341434] [] ? force_qs_rnp+0x3a3/0x3a3 [ 2580.341440] [] ? init_completion+0x48/0x48 [ 2580.341448] [] ? ret_from_fork+0x1f/0x40 [ 2580.341453] [] ? init_completion+0x48/0x48 [ 2580.344269] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 80s! [swapper/1:0] [ 2580.344277] Modules linked in: [ 2580.344285] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.8.11 #1 [ 2580.344289] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2580.344292] task: ffff88005ca7ca00 task.stack: ffff88005caa8000 [ 2580.344297] RIP: 0010:[] [] arch_local_irq_enable+0xb/0xd [ 2580.344312] RSP: 0000:ffff88005caafbd8 EFLAGS: 00000246 [ 2580.344315] RAX: ffff7fffffffffff RBX: ffff88005c9ebb40 RCX: ffffffffb1e602e2 [ 2580.344319] RDX: ffffed000b93d76d RSI: dffffc0000000000 RDI: ffff88005d5222c0 [ 2580.344322] RBP: ffff88005caafbd8 R08: ffff88005caa8000 R09: 0000000000000001 [ 2580.344326] R10: ffff88005d51f9cb R11: ffffed000baa3f39 R12: ffff88005d5222c0 [ 2580.344330] R13: ffff88005c9ebb68 R14: ffffffffb4a51200 R15: ffff88005ca7ca00 [ 2580.344334] FS: 0000000000000000(0000) GS:ffff88005d500000(0000) knlGS:0000000000000000 [ 2580.344338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2580.344341] CR2: 00000000ffffffff CR3: 000000002e20a000 CR4: 00000000000006e0 [ 2580.344442] ================================================================================ [ 2580.344450] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 2580.344457] load of misaligned address ffffffffb77ce774 for type 'volatile const long unsigned int' [ 2580.344460] which requires 8 byte alignment [ 2580.344468] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.8.11 #1 [ 2580.344472] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2580.344478] 00000000ffffffff e5344f8b99d4199e ffff88005d507c90 ffffffffb26ec5cc [ 2580.344486] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2580.344493] 0000000000000010 ffff88005d507cb8 ffff88005d507c68 ffffffffb363c3e0 [ 2580.344500] Call Trace: [ 2580.344502] [] dump_stack+0xd7/0x132 [ 2580.344518] [] ? arch_local_irq_restore+0x1b/0x1b [ 2580.344525] [] ubsan_epilogue+0x12/0x53 [ 2580.344532] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2580.344538] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2580.344545] [] ? power_down+0x109/0x109 [ 2580.344553] [] ? arch_local_irq_enable+0xb/0xd [ 2580.344559] [] __show_regs+0x456/0x4be [ 2580.344565] [] show_regs+0x62/0x1f9 [ 2580.344573] [] watchdog_timer_fn+0x251/0x2dd [ 2580.344580] [] __hrtimer_run_queues+0x433/0x7b1 [ 2580.344587] [] ? watchdog+0x43/0x43 [ 2580.344593] [] ? hrtimer_cancel+0x37/0x37 [ 2580.344600] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2580.344606] [] hrtimer_interrupt+0x179/0x41c [ 2580.344615] [] local_apic_timer_interrupt+0xe4/0xeb [ 2580.344622] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2580.344628] [] apic_timer_interrupt+0x82/0x90 [ 2580.344629] [] ? finish_task_switch+0x2a8/0x4b3 [ 2580.344644] [] ? arch_local_irq_enable+0xb/0xd [ 2580.344650] [] finish_task_switch+0x2bc/0x4b3 [ 2580.344657] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 2580.344665] [] ? pick_next_task_rt+0x336/0x35d [ 2580.344671] [] __schedule+0xd78/0x126c [ 2580.344678] [] ? io_schedule_timeout+0x33d/0x33d [ 2580.344684] [] ? __tick_nohz_idle_enter+0x42b/0xb4d [ 2580.344691] [] ? wait_task_inactive+0x414/0x414 [ 2580.344696] [] schedule+0x162/0x1a3 [ 2580.344703] [] schedule_preempt_disabled+0xe/0x10 [ 2580.344709] [] cpu_startup_entry+0x37f/0x384 [ 2580.344716] [] ? default_idle_call+0x20/0x20 [ 2580.344723] [] ? clockevents_register_device+0x1af/0x1b8 [ 2580.344731] [] start_secondary+0x27d/0x2d7 [ 2580.344738] [] ? set_cpu_sibling_map+0x114f/0x114f [ 2580.344741] ================================================================================ [ 2580.344743] Stack: [ 2580.344745] ffff88005caafc88 ffffffffb1e602f6 0000000000000000 0000000000000001 [ 2580.344752] 1ffff1000b955f80 0000000041b58ab3 ffffffffb3a29adf ffffffffb1e6003a [ 2580.344760] ffff88005ca7d8c0 ffff880000000000 ffff88005caafc58 ffffffffb1e98e05 [ 2580.344767] Call Trace: [ 2580.344773] [] finish_task_switch+0x2bc/0x4b3 [ 2580.344780] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 2580.344788] [] ? pick_next_task_rt+0x336/0x35d [ 2580.344794] [] __schedule+0xd78/0x126c [ 2580.344801] [] ? io_schedule_timeout+0x33d/0x33d [ 2580.344806] [] ? __tick_nohz_idle_enter+0x42b/0xb4d [ 2580.344814] [] ? wait_task_inactive+0x414/0x414 [ 2580.344820] [] schedule+0x162/0x1a3 [ 2580.344826] [] schedule_preempt_disabled+0xe/0x10 [ 2580.344832] [] cpu_startup_entry+0x37f/0x384 [ 2580.344839] [] ? default_idle_call+0x20/0x20 [ 2580.344846] [] ? clockevents_register_device+0x1af/0x1b8 [ 2580.344854] [] start_secondary+0x27d/0x2d7 [ 2580.344861] [] ? set_cpu_sibling_map+0x114f/0x114f [ 2580.344864] Code: 1f 44 00 00 5d c3 55 48 89 e5 57 9d 0f 1f 44 00 00 5d c3 55 48 89 e5 fa 66 0f 1f 44 00 00 5d c3 55 48 89 e5 fb 66 0f 1f 44 00 00 <5d> c3 55 48 89 e5 c6 07 00 0f 1f 40 00 5d c3 55 48 89 e5 53 89 [ 2580.346303] ================================================================================ [ 2580.346309] UBSAN: Undefined behaviour in kernel/sched/fair.c:465:13 [ 2580.346313] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2580.346315] which requires 64 byte alignment [ 2580.346323] CPU: 2 PID: 52 Comm: kworker/2:1 Tainted: G L 4.8.11 #1 [ 2580.346327] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2580.346341] 00000000ffffffff 0000000046ca1d70 ffff8800a24af6e0 ffffffffb26ec5cc [ 2580.346350] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2580.346358] 0000000000000010 ffff8800a24af708 ffff8800a24af6b8 ffffffffb363c3e0 [ 2580.346365] Call Trace: [ 2580.346376] [] dump_stack+0xd7/0x132 [ 2580.346383] [] ? arch_local_irq_restore+0x1b/0x1b [ 2580.346390] [] ubsan_epilogue+0x12/0x53 [ 2580.346397] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2580.346405] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2580.346412] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2580.346419] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2580.346427] [] update_min_vruntime+0xab/0x1b0 [ 2580.346434] [] update_curr+0x20c/0x564 [ 2580.346442] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2580.346449] [] ? __asan_loadN+0xf/0x11 [ 2580.346458] [] ? pvclock_clocksource_read+0x10d/0x171 [ 2580.346465] [] dequeue_entity+0x24/0x77a [ 2580.346473] [] dequeue_task_fair+0x61/0x2a5 [ 2580.346480] [] dequeue_task+0x1be/0x1c9 [ 2580.346487] [] deactivate_task+0xfb/0x104 [ 2580.346494] [] load_balance+0x9e3/0x1841 [ 2580.346503] [] ? find_busiest_group+0x55f/0x55f [ 2580.346509] [] ? div_u64+0xcd/0xcd [ 2580.346515] [] ? kvm_clock_read+0x1e/0x20 [ 2580.346521] [] ? kvm_sched_clock_read+0x9/0x12 [ 2580.346562] [] ? paravirt_sched_clock+0x9/0xd [ 2580.346570] [] ? sched_clock+0x9/0xb [ 2580.346576] [] ? sched_clock_cpu+0x1c/0x161 [ 2580.346584] [] pick_next_task_fair+0x892/0xb60 [ 2580.346592] [] ? load_balance+0x1841/0x1841 [ 2580.346599] [] ? hrtick_update+0x48/0xeb [ 2580.346607] [] ? dequeue_task_fair+0x277/0x2a5 [ 2580.346614] [] pick_next_task+0xae/0x15c [ 2580.346621] [] __schedule+0x54b/0x126c [ 2580.346628] [] ? io_schedule_timeout+0x33d/0x33d [ 2580.346634] [] ? __list_add+0x211/0x249 [ 2580.346640] [] ? assoc_array_gc+0x12e7/0x12e7 [ 2580.346648] [] ? create_worker+0x528/0x528 [ 2580.346655] [] schedule+0x162/0x1a3 [ 2580.346662] [] worker_thread+0x797/0x857 [ 2580.346668] [] kthread+0x1f7/0x20b [ 2580.346676] [] ? rescuer_thread+0x91f/0x91f [ 2580.346682] [] ? init_completion+0x48/0x48 [ 2580.346690] [] ret_from_fork+0x1f/0x40 [ 2580.346697] [] ? init_completion+0x48/0x48 [ 2580.346700] ================================================================================ [ 2585.031528] [ 2585.036395] 3-...: (2 ticks this GP) idle=961/140000000000001/0 softirq=1652/1652 fqs=614 [ 2585.064426] (t=24612 jiffies g=-160 c=-161 q=3) [ 2585.080171] Task dump for CPU 3: [ 2585.105637] init R running task 0 1 0 0x0000000a [ 2585.147172] 0000000000000000 00000000b1a89c60 ffff8800a3d07bc8 ffffffffb1e6d847 [ 2585.197711] 0000000041b58ab3 ffffffffb3a291c0 ffffffffb1e6d5aa ffff8800a3d07b88 [ 2585.242603] ffffffffb77d0b60 ffff8800a3d07ba0 ffffffffb272b720 00000000b1a89c60 [ 2585.295306] Call Trace: [ 2585.310651] [] sched_show_task+0x29d/0x2d3 [ 2585.345606] [] ? SyS_sched_rr_get_interval+0x23a/0x23a [ 2585.391567] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2585.463950] [] dump_cpu_task+0xb5/0xba [ 2585.511284] [] rcu_dump_cpu_stacks+0x215/0x23b [ 2585.548474] [] check_cpu_stall+0x5e9/0x7a4 [ 2585.586657] [] ? rcu_process_callbacks+0x12b0/0x12b0 [ 2585.636598] [] ? div_u64_rem+0x82/0x93 [ 2585.676814] [] rcu_check_callbacks+0x20f/0x7b8 [ 2585.718955] [] ? rcu_cpu_stall_reset+0x153/0x153 [ 2585.763852] [] update_process_times+0x35/0x64 [ 2585.805726] [] tick_sched_handle+0x114/0x125 [ 2585.847504] [] tick_sched_timer+0x43/0xab [ 2585.880313] [] __hrtimer_run_queues+0x433/0x7b1 [ 2585.918445] [] ? tick_sched_do_timer+0x5f/0x5f [ 2585.956575] [] ? hrtimer_cancel+0x37/0x37 [ 2585.995527] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2586.041683] [] hrtimer_interrupt+0x179/0x41c [ 2586.082500] [] local_apic_timer_interrupt+0xe4/0xeb [ 2586.123189] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2586.165513] [] apic_timer_interrupt+0x82/0x90 [ 2586.206316] [] ? autogroup_move_group+0x1d1/0x318 [ 2586.255368] [] ? arch_local_irq_restore+0x6/0xd [ 2586.312288] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2586.362887] [] autogroup_move_group+0x1e7/0x318 [ 2586.403455] [] ? autogroup_task_get+0x15a/0x15a [ 2586.451870] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2586.507148] [] ? autogroup_move_group+0x318/0x318 [ 2586.558469] [] ? tty_kref_put+0x3b/0x40 [ 2586.597571] [] sys_setsid+0x35b/0x39f [ 2586.635394] [] ? SyS_getsid+0x12f/0x12f [ 2586.674326] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2586.733558] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2586.793801] ================================================================================ [ 2586.848419] UBSAN: Undefined behaviour in kernel/sched/fair.c:2506:2 [ 2586.893021] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2586.962976] which requires 64 byte alignment [ 2587.003034] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2587.051852] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2587.115441] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07ba8 ffffffffb26ec5cc [ 2587.164013] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2587.227021] ffffffff00000010 ffff8800a3d07bd0 ffff8800a3d07b80 ffffffffb363c3e0 [ 2587.291234] Call Trace: [ 2587.308944] [] dump_stack+0xd7/0x132 [ 2587.353713] [] ? arch_local_irq_restore+0x1b/0x1b [ 2587.387996] [] ubsan_epilogue+0x12/0x53 [ 2587.435137] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2587.481205] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2587.530596] [] account_entity_dequeue+0x85/0x442 [ 2587.570861] [] ? account_entity_enqueue+0x36a/0x36a [ 2587.612559] [] ? update_load_avg+0x7da/0x7ef [ 2587.659497] [] update_cfs_shares+0x312/0x39d [ 2587.703026] [] task_tick_fair+0x77/0x2b0 [ 2587.746937] [] scheduler_tick+0x11a/0x17f [ 2587.793772] [] update_process_times+0x57/0x64 [ 2587.844583] [] tick_sched_handle+0x114/0x125 [ 2587.895739] [] tick_sched_timer+0x43/0xab [ 2587.935329] [] __hrtimer_run_queues+0x433/0x7b1 [ 2587.978341] [] ? tick_sched_do_timer+0x5f/0x5f [ 2588.028382] [] ? hrtimer_cancel+0x37/0x37 [ 2588.068564] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2588.124444] [] hrtimer_interrupt+0x179/0x41c [ 2588.158897] [] local_apic_timer_interrupt+0xe4/0xeb [ 2588.213126] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2588.263333] [] apic_timer_interrupt+0x82/0x90 [ 2588.306971] [] ? autogroup_move_group+0x1d1/0x318 [ 2588.355680] [] ? arch_local_irq_restore+0x6/0xd [ 2588.405101] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2588.446373] [] autogroup_move_group+0x1e7/0x318 [ 2588.486252] [] ? autogroup_task_get+0x15a/0x15a [ 2588.527623] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2588.575351] [] ? autogroup_move_group+0x318/0x318 [ 2588.616509] [] ? tty_kref_put+0x3b/0x40 [ 2588.658312] [] sys_setsid+0x35b/0x39f [ 2588.690525] [] ? SyS_getsid+0x12f/0x12f [ 2588.726217] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2588.770180] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2588.810982] ================================================================================ [ 2588.866883] ================================================================================ [ 2588.918860] UBSAN: Undefined behaviour in kernel/sched/fair.c:332:11 [ 2588.963887] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2589.028584] which requires 64 byte alignment [ 2589.058524] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2589.107185] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2589.178127] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07ba8 ffffffffb26ec5cc [ 2589.238666] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2589.300704] ffffffff00000010 ffff8800a3d07bd0 ffff8800a3d07b80 ffffffffb363c3e0 [ 2589.355474] Call Trace: [ 2589.373630] [] dump_stack+0xd7/0x132 [ 2589.418857] [] ? arch_local_irq_restore+0x1b/0x1b [ 2589.460152] [] ubsan_epilogue+0x12/0x53 [ 2589.508080] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2589.559009] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2589.606509] [] account_entity_dequeue+0x11a/0x442 [ 2589.658339] [] ? account_entity_enqueue+0x36a/0x36a [ 2589.706334] [] ? update_load_avg+0x7da/0x7ef [ 2589.739049] [] update_cfs_shares+0x312/0x39d [ 2589.779697] [] task_tick_fair+0x77/0x2b0 [ 2589.814922] [] scheduler_tick+0x11a/0x17f [ 2589.859375] [] update_process_times+0x57/0x64 [ 2589.899767] [] tick_sched_handle+0x114/0x125 [ 2589.952735] [] tick_sched_timer+0x43/0xab [ 2589.988139] [] __hrtimer_run_queues+0x433/0x7b1 [ 2590.031101] [] ? tick_sched_do_timer+0x5f/0x5f [ 2590.074854] [] ? hrtimer_cancel+0x37/0x37 [ 2590.107590] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2590.152417] [] hrtimer_interrupt+0x179/0x41c [ 2590.183462] [] local_apic_timer_interrupt+0xe4/0xeb [ 2590.228953] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2590.270867] [] apic_timer_interrupt+0x82/0x90 [ 2590.307972] [] ? autogroup_move_group+0x1d1/0x318 [ 2590.353446] [] ? arch_local_irq_restore+0x6/0xd [ 2590.394681] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2590.429082] [] autogroup_move_group+0x1e7/0x318 [ 2590.467510] [] ? autogroup_task_get+0x15a/0x15a [ 2590.514221] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2590.553778] [] ? autogroup_move_group+0x318/0x318 [ 2590.594827] [] ? tty_kref_put+0x3b/0x40 [ 2590.625623] [] sys_setsid+0x35b/0x39f [ 2590.660491] [] ? SyS_getsid+0x12f/0x12f [ 2590.699426] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2590.740472] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2590.792080] ================================================================================ [ 2590.853693] ================================================================================ [ 2590.908521] UBSAN: Undefined behaviour in kernel/sched/fair.c:2508:3 [ 2590.948894] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2591.012999] which requires 64 byte alignment [ 2591.039063] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2591.082916] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2591.149095] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07ba8 ffffffffb26ec5cc [ 2591.197424] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2591.240251] ffffffff00000010 ffff8800a3d07bd0 ffff8800a3d07b80 ffffffffb363c3e0 [ 2591.299401] Call Trace: [ 2591.315611] [] dump_stack+0xd7/0x132 [ 2591.353730] [] ? arch_local_irq_restore+0x1b/0x1b [ 2591.393220] [] ubsan_epilogue+0x12/0x53 [ 2591.430020] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2591.476323] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2591.523047] [] account_entity_dequeue+0x150/0x442 [ 2591.557156] [] ? account_entity_enqueue+0x36a/0x36a [ 2591.598040] [] ? update_load_avg+0x7da/0x7ef [ 2591.642027] [] update_cfs_shares+0x312/0x39d [ 2591.683774] [] task_tick_fair+0x77/0x2b0 [ 2591.719222] [] scheduler_tick+0x11a/0x17f [ 2591.762604] [] update_process_times+0x57/0x64 [ 2591.799497] [] tick_sched_handle+0x114/0x125 [ 2591.846625] [] tick_sched_timer+0x43/0xab [ 2592.043217] [] __hrtimer_run_queues+0x433/0x7b1 [ 2592.083479] [] ? tick_sched_do_timer+0x5f/0x5f [ 2592.124650] [] ? hrtimer_cancel+0x37/0x37 [ 2592.158396] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2592.204950] [] hrtimer_interrupt+0x179/0x41c [ 2592.239910] [] local_apic_timer_interrupt+0xe4/0xeb [ 2592.296042] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2592.339763] [] apic_timer_interrupt+0x82/0x90 [ 2592.380919] [] ? autogroup_move_group+0x1d1/0x318 [ 2592.427630] [] ? arch_local_irq_restore+0x6/0xd [ 2592.466427] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2592.503555] [] autogroup_move_group+0x1e7/0x318 [ 2592.544850] [] ? autogroup_task_get+0x15a/0x15a [ 2592.588333] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2592.631252] [] ? autogroup_move_group+0x318/0x318 [ 2592.671144] [] ? tty_kref_put+0x3b/0x40 [ 2592.708502] [] sys_setsid+0x35b/0x39f [ 2592.745591] [] ? SyS_getsid+0x12f/0x12f [ 2592.783545] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2592.824517] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2592.870619] ================================================================================ [ 2592.927425] ================================================================================ [ 2592.981365] UBSAN: Undefined behaviour in kernel/sched/fair.c:2510:6 [ 2593.018778] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2593.080905] which requires 64 byte alignment [ 2593.109508] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2593.154779] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2593.215342] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07ba8 ffffffffb26ec5cc [ 2593.274807] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2593.323671] ffffffff00000010 ffff8800a3d07bd0 ffff8800a3d07b80 ffffffffb363c3e0 [ 2593.371720] Call Trace: [ 2593.390626] [] dump_stack+0xd7/0x132 [ 2593.436818] [] ? arch_local_irq_restore+0x1b/0x1b [ 2593.488188] [] ubsan_epilogue+0x12/0x53 [ 2593.526122] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2593.573814] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2593.621304] [] account_entity_dequeue+0x229/0x442 [ 2593.662264] [] ? account_entity_enqueue+0x36a/0x36a [ 2593.705147] [] ? update_load_avg+0x7da/0x7ef [ 2593.744906] [] update_cfs_shares+0x312/0x39d [ 2593.785332] [] task_tick_fair+0x77/0x2b0 [ 2593.825283] [] scheduler_tick+0x11a/0x17f [ 2593.864633] [] update_process_times+0x57/0x64 [ 2593.907777] [] tick_sched_handle+0x114/0x125 [ 2593.952849] [] tick_sched_timer+0x43/0xab [ 2593.992786] [] __hrtimer_run_queues+0x433/0x7b1 [ 2594.034370] [] ? tick_sched_do_timer+0x5f/0x5f [ 2594.073202] [] ? hrtimer_cancel+0x37/0x37 [ 2594.113093] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2594.165139] [] hrtimer_interrupt+0x179/0x41c [ 2594.203023] [] local_apic_timer_interrupt+0xe4/0xeb [ 2594.254133] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2594.305279] [] apic_timer_interrupt+0x82/0x90 [ 2594.345238] [] ? autogroup_move_group+0x1d1/0x318 [ 2594.394618] [] ? arch_local_irq_restore+0x6/0xd [ 2594.444696] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2594.495422] [] autogroup_move_group+0x1e7/0x318 [ 2594.545131] [] ? autogroup_task_get+0x15a/0x15a [ 2594.587318] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2594.642299] [] ? autogroup_move_group+0x318/0x318 [ 2594.686265] [] ? tty_kref_put+0x3b/0x40 [ 2594.724491] [] sys_setsid+0x35b/0x39f [ 2594.759132] [] ? SyS_getsid+0x12f/0x12f [ 2594.989768] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2595.025539] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2595.071394] ================================================================================ [ 2595.131874] ================================================================================ [ 2595.186635] UBSAN: Undefined behaviour in kernel/sched/fair.c:277:11 [ 2595.229371] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2595.292181] which requires 64 byte alignment [ 2595.323982] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2595.363925] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2595.434466] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07c88 ffffffffb26ec5cc [ 2595.480858] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2595.529215] 0000000000000010 ffff8800a3d07cb0 ffff8800a3d07c60 ffffffffb363c3e0 [ 2595.587224] Call Trace: [ 2595.600536] [] dump_stack+0xd7/0x132 [ 2595.637455] [] ? arch_local_irq_restore+0x1b/0x1b [ 2595.676083] [] ubsan_epilogue+0x12/0x53 [ 2595.704929] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2595.763375] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2595.813146] [] ? hrtimer_active+0x1ba/0x1c9 [ 2595.850564] [] task_tick_fair+0x45/0x2b0 [ 2595.890453] [] scheduler_tick+0x11a/0x17f [ 2595.923007] [] update_process_times+0x57/0x64 [ 2595.963713] [] tick_sched_handle+0x114/0x125 [ 2596.003147] [] tick_sched_timer+0x43/0xab [ 2596.052516] [] __hrtimer_run_queues+0x433/0x7b1 [ 2596.104102] [] ? tick_sched_do_timer+0x5f/0x5f [ 2596.147943] [] ? hrtimer_cancel+0x37/0x37 [ 2596.183567] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2596.237059] [] hrtimer_interrupt+0x179/0x41c [ 2596.277020] [] local_apic_timer_interrupt+0xe4/0xeb [ 2596.319723] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2596.359272] [] apic_timer_interrupt+0x82/0x90 [ 2596.399858] [] ? autogroup_move_group+0x1d1/0x318 [ 2596.445115] [] ? arch_local_irq_restore+0x6/0xd [ 2596.487178] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2596.542022] [] autogroup_move_group+0x1e7/0x318 [ 2596.602676] [] ? autogroup_task_get+0x15a/0x15a [ 2596.655060] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2596.719536] [] ? autogroup_move_group+0x318/0x318 [ 2596.778486] [] ? tty_kref_put+0x3b/0x40 [ 2596.821984] [] sys_setsid+0x35b/0x39f [ 2596.875622] [] ? SyS_getsid+0x12f/0x12f [ 2596.935069] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2596.988873] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2597.038778] ================================================================================ [ 2597.100476] ================================================================================ [ 2597.162667] UBSAN: Undefined behaviour in kernel/sched/fair.c:277:11 [ 2597.214105] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2597.276797] which requires 64 byte alignment [ 2597.301286] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2597.349012] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2597.414579] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07be8 ffffffffb26ec5cc [ 2597.472428] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2597.542824] ffffffff00000010 ffff8800a3d07c10 ffff8800a3d07bc0 ffffffffb363c3e0 [ 2597.622046] Call Trace: [ 2597.655202] [] dump_stack+0xd7/0x132 [ 2597.694926] [] ? arch_local_irq_restore+0x1b/0x1b [ 2597.740713] [] ubsan_epilogue+0x12/0x53 [ 2597.777669] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2597.828859] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2597.876135] [] ? is_ftrace_trampoline+0x80/0x153 [ 2597.914914] [] update_load_avg+0x40/0x7ef [ 2597.964700] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2598.012986] [] task_tick_fair+0x6f/0x2b0 [ 2598.056325] [] ? task_tick_fair+0x6f/0x2b0 [ 2598.107235] [] scheduler_tick+0x11a/0x17f [ 2598.150743] [] update_process_times+0x57/0x64 [ 2598.201735] [] tick_sched_handle+0x114/0x125 [ 2598.240765] [] tick_sched_timer+0x43/0xab [ 2598.284719] [] __hrtimer_run_queues+0x433/0x7b1 [ 2598.326096] [] ? tick_sched_do_timer+0x5f/0x5f [ 2598.369444] [] ? hrtimer_cancel+0x37/0x37 [ 2598.403860] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2598.453962] [] hrtimer_interrupt+0x179/0x41c [ 2598.503945] [] local_apic_timer_interrupt+0xe4/0xeb [ 2598.556948] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2598.603422] [] apic_timer_interrupt+0x82/0x90 [ 2598.643076] [] ? autogroup_move_group+0x1d1/0x318 [ 2598.684486] [] ? arch_local_irq_restore+0x6/0xd [ 2598.720469] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2598.762884] [] autogroup_move_group+0x1e7/0x318 [ 2598.802129] [] ? autogroup_task_get+0x15a/0x15a [ 2598.840744] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2598.879408] [] ? autogroup_move_group+0x318/0x318 [ 2598.925050] [] ? tty_kref_put+0x3b/0x40 [ 2598.956249] [] sys_setsid+0x35b/0x39f [ 2598.992569] [] ? SyS_getsid+0x12f/0x12f [ 2599.046113] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2599.084069] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2599.130756] ================================================================================ [ 2599.178986] ================================================================================ [ 2599.232120] UBSAN: Undefined behaviour in kernel/sched/fair.c:2999:8 [ 2599.270304] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2599.342005] which requires 64 byte alignment [ 2599.375810] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2599.408334] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2599.467174] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07be8 ffffffffb26ec5cc [ 2599.518564] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2599.563062] ffffffff00000010 ffff8800a3d07c10 ffff8800a3d07bc0 ffffffffb363c3e0 [ 2599.637206] Call Trace: [ 2599.656291] [] dump_stack+0xd7/0x132 [ 2599.691761] [] ? arch_local_irq_restore+0x1b/0x1b [ 2599.727129] [] ubsan_epilogue+0x12/0x53 [ 2599.756663] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2599.800549] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2599.843303] [] ? is_ftrace_trampoline+0x80/0x153 [ 2599.895110] [] update_load_avg+0x104/0x7ef [ 2599.929065] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2599.978417] [] task_tick_fair+0x6f/0x2b0 [ 2600.005668] [] ? task_tick_fair+0x6f/0x2b0 [ 2600.058639] [] scheduler_tick+0x11a/0x17f [ 2600.094985] [] update_process_times+0x57/0x64 [ 2600.128898] [] tick_sched_handle+0x114/0x125 [ 2600.164181] [] tick_sched_timer+0x43/0xab [ 2600.212118] [] __hrtimer_run_queues+0x433/0x7b1 [ 2600.253284] [] ? tick_sched_do_timer+0x5f/0x5f [ 2600.292075] [] ? hrtimer_cancel+0x37/0x37 [ 2600.337263] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2600.380639] [] hrtimer_interrupt+0x179/0x41c [ 2600.417497] [] local_apic_timer_interrupt+0xe4/0xeb [ 2600.461714] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2600.515651] [] apic_timer_interrupt+0x82/0x90 [ 2600.556144] [] ? autogroup_move_group+0x1d1/0x318 [ 2600.603332] [] ? arch_local_irq_restore+0x6/0xd [ 2600.648869] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2600.690412] [] autogroup_move_group+0x1e7/0x318 [ 2600.723387] [] ? autogroup_task_get+0x15a/0x15a [ 2600.761132] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2600.809210] [] ? autogroup_move_group+0x318/0x318 [ 2600.856875] [] ? tty_kref_put+0x3b/0x40 [ 2600.884270] [] sys_setsid+0x35b/0x39f [ 2600.930153] [] ? SyS_getsid+0x12f/0x12f [ 2600.979341] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2601.023750] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2601.061102] ================================================================================ [ 2601.123461] ================================================================================ [ 2601.185057] UBSAN: Undefined behaviour in kernel/sched/fair.c:2999:18 [ 2601.228406] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2601.298902] which requires 64 byte alignment [ 2601.346638] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2601.394944] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2601.458272] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07be8 ffffffffb26ec5cc [ 2601.506490] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2601.580196] ffffffff00000010 ffff8800a3d07c10 ffff8800a3d07bc0 ffffffffb363c3e0 [ 2601.624307] Call Trace: [ 2601.641705] [] dump_stack+0xd7/0x132 [ 2601.682562] [] ? arch_local_irq_restore+0x1b/0x1b [ 2601.728725] [] ubsan_epilogue+0x12/0x53 [ 2601.773987] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2601.820710] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2601.865269] [] ? is_ftrace_trampoline+0x80/0x153 [ 2601.907496] [] update_load_avg+0x12d/0x7ef [ 2601.946706] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2602.001033] [] task_tick_fair+0x6f/0x2b0 [ 2602.043211] [] ? task_tick_fair+0x6f/0x2b0 [ 2602.078222] [] scheduler_tick+0x11a/0x17f [ 2602.114983] [] update_process_times+0x57/0x64 [ 2602.152043] [] tick_sched_handle+0x114/0x125 [ 2602.183412] [] tick_sched_timer+0x43/0xab [ 2602.220665] [] __hrtimer_run_queues+0x433/0x7b1 [ 2602.259971] [] ? tick_sched_do_timer+0x5f/0x5f [ 2602.297093] [] ? hrtimer_cancel+0x37/0x37 [ 2602.331325] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2602.373294] [] hrtimer_interrupt+0x179/0x41c [ 2602.406501] [] local_apic_timer_interrupt+0xe4/0xeb [ 2602.443362] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2602.488158] [] apic_timer_interrupt+0x82/0x90 [ 2602.522315] [] ? autogroup_move_group+0x1d1/0x318 [ 2602.565221] [] ? arch_local_irq_restore+0x6/0xd [ 2602.604331] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2602.649631] [] autogroup_move_group+0x1e7/0x318 [ 2602.683641] [] ? autogroup_task_get+0x15a/0x15a [ 2602.720835] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2602.761069] [] ? autogroup_move_group+0x318/0x318 [ 2602.800962] [] ? tty_kref_put+0x3b/0x40 [ 2602.832552] [] sys_setsid+0x35b/0x39f [ 2602.860538] [] ? SyS_getsid+0x12f/0x12f [ 2602.898731] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2602.947535] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2602.981165] ================================================================================ [ 2603.034458] ================================================================================ [ 2603.089753] UBSAN: Undefined behaviour in kernel/sched/fair.c:634:53 [ 2603.139693] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2603.204497] which requires 64 byte alignment [ 2603.242523] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2603.296404] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2603.355061] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07be0 ffffffffb26ec5cc [ 2603.416711] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2603.468785] ffffffff00000010 ffff8800a3d07c08 ffff8800a3d07bb8 ffffffffb363c3e0 [ 2603.519753] Call Trace: [ 2603.545639] [] dump_stack+0xd7/0x132 [ 2603.591642] [] ? arch_local_irq_restore+0x1b/0x1b [ 2603.637016] [] ubsan_epilogue+0x12/0x53 [ 2603.678811] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2603.727823] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2603.770671] [] ? get_rr_interval_fair+0x87/0x87 [ 2603.817555] [] sched_slice+0xb2/0x24f [ 2603.846397] [] ? update_load_avg+0x7da/0x7ef [ 2603.887981] [] ? __calc_delta+0x21b/0x21b [ 2603.925212] [] ? hrtimer_active+0x1ba/0x1c9 [ 2603.958050] [] task_tick_fair+0x116/0x2b0 [ 2603.997463] [] scheduler_tick+0x11a/0x17f [ 2604.032427] [] update_process_times+0x57/0x64 [ 2604.075894] [] tick_sched_handle+0x114/0x125 [ 2604.109330] [] tick_sched_timer+0x43/0xab [ 2604.146599] [] __hrtimer_run_queues+0x433/0x7b1 [ 2604.180979] [] ? tick_sched_do_timer+0x5f/0x5f [ 2604.226171] [] ? hrtimer_cancel+0x37/0x37 [ 2604.262385] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2604.306583] [] hrtimer_interrupt+0x179/0x41c [ 2604.339089] [] local_apic_timer_interrupt+0xe4/0xeb [ 2604.384805] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2604.436707] [] apic_timer_interrupt+0x82/0x90 [ 2604.480894] [] ? autogroup_move_group+0x1d1/0x318 [ 2604.517309] [] ? arch_local_irq_restore+0x6/0xd [ 2604.556611] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2604.613052] [] autogroup_move_group+0x1e7/0x318 [ 2604.652649] [] ? autogroup_task_get+0x15a/0x15a [ 2604.700703] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2604.747644] [] ? autogroup_move_group+0x318/0x318 [ 2604.789200] [] ? tty_kref_put+0x3b/0x40 [ 2604.827896] [] sys_setsid+0x35b/0x39f [ 2604.858789] [] ? SyS_getsid+0x12f/0x12f [ 2604.899144] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2604.944062] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2604.994606] ================================================================================ [ 2605.039492] ================================================================================ [ 2605.091019] UBSAN: Undefined behaviour in kernel/sched/fair.c:277:11 [ 2605.138552] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2605.189877] which requires 64 byte alignment [ 2605.215764] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2605.256079] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2605.321081] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07be0 ffffffffb26ec5cc [ 2605.377440] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2605.418848] ffffffff00000010 ffff8800a3d07c08 ffff8800a3d07bb8 ffffffffb363c3e0 [ 2605.484948] Call Trace: [ 2605.502200] [] dump_stack+0xd7/0x132 [ 2605.557881] [] ? arch_local_irq_restore+0x1b/0x1b [ 2605.606561] [] ubsan_epilogue+0x12/0x53 [ 2605.643943] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2605.699631] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2605.747167] [] ? get_rr_interval_fair+0x87/0x87 [ 2605.791808] [] sched_slice+0x10c/0x24f [ 2605.837436] [] ? __calc_delta+0x21b/0x21b [ 2605.872659] [] ? hrtimer_active+0x1ba/0x1c9 [ 2605.910099] [] task_tick_fair+0x116/0x2b0 [ 2605.940582] [] scheduler_tick+0x11a/0x17f [ 2605.981108] [] update_process_times+0x57/0x64 [ 2606.020104] [] tick_sched_handle+0x114/0x125 [ 2606.057689] [] tick_sched_timer+0x43/0xab [ 2606.099546] [] __hrtimer_run_queues+0x433/0x7b1 [ 2606.138266] [] ? tick_sched_do_timer+0x5f/0x5f [ 2606.179953] [] ? hrtimer_cancel+0x37/0x37 [ 2606.221845] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2606.266899] [] hrtimer_interrupt+0x179/0x41c [ 2606.300504] [] local_apic_timer_interrupt+0xe4/0xeb [ 2606.339957] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2606.382650] [] apic_timer_interrupt+0x82/0x90 [ 2606.432297] [] ? autogroup_move_group+0x1d1/0x318 [ 2606.474970] [] ? arch_local_irq_restore+0x6/0xd [ 2606.517770] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2606.560951] [] autogroup_move_group+0x1e7/0x318 [ 2606.595154] [] ? autogroup_task_get+0x15a/0x15a [ 2606.643413] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2606.693021] [] ? autogroup_move_group+0x318/0x318 [ 2606.739973] [] ? tty_kref_put+0x3b/0x40 [ 2606.777506] [] sys_setsid+0x35b/0x39f [ 2606.806445] [] ? SyS_getsid+0x12f/0x12f [ 2606.845110] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2606.906288] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2606.955799] ================================================================================ [ 2607.002637] ================================================================================ [ 2607.066785] UBSAN: Undefined behaviour in kernel/sched/fair.c:643:7 [ 2607.115195] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2607.173003] which requires 64 byte alignment [ 2607.215725] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2607.255339] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2607.315254] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07be0 ffffffffb26ec5cc [ 2607.366781] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2607.420829] ffffffff00000010 ffff8800a3d07c08 ffff8800a3d07bb8 ffffffffb363c3e0 [ 2607.474629] Call Trace: [ 2607.488406] [] dump_stack+0xd7/0x132 [ 2607.531051] [] ? arch_local_irq_restore+0x1b/0x1b [ 2607.563954] [] ubsan_epilogue+0x12/0x53 [ 2607.606048] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2607.650680] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2607.693941] [] ? get_rr_interval_fair+0x87/0x87 [ 2607.748445] [] sched_slice+0x13b/0x24f [ 2607.780707] [] ? __calc_delta+0x21b/0x21b [ 2607.811496] [] ? hrtimer_active+0x1ba/0x1c9 [ 2607.845303] [] task_tick_fair+0x116/0x2b0 [ 2607.884863] [] scheduler_tick+0x11a/0x17f [ 2607.919992] [] update_process_times+0x57/0x64 [ 2607.952727] [] tick_sched_handle+0x114/0x125 [ 2607.993117] [] tick_sched_timer+0x43/0xab [ 2608.037242] [] __hrtimer_run_queues+0x433/0x7b1 [ 2608.078745] [] ? tick_sched_do_timer+0x5f/0x5f [ 2608.122318] [] ? hrtimer_cancel+0x37/0x37 [ 2608.166677] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2608.213878] [] hrtimer_interrupt+0x179/0x41c [ 2608.263797] [] local_apic_timer_interrupt+0xe4/0xeb [ 2608.303898] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2608.353522] [] apic_timer_interrupt+0x82/0x90 [ 2608.415424] [] ? autogroup_move_group+0x1d1/0x318 [ 2608.461241] [] ? arch_local_irq_restore+0x6/0xd [ 2608.511676] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2608.558444] [] autogroup_move_group+0x1e7/0x318 [ 2608.619722] [] ? autogroup_task_get+0x15a/0x15a [ 2608.665309] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2608.716208] [] ? autogroup_move_group+0x318/0x318 [ 2608.755624] [] ? tty_kref_put+0x3b/0x40 [ 2608.800408] [] sys_setsid+0x35b/0x39f [ 2608.833254] [] ? SyS_getsid+0x12f/0x12f [ 2608.871187] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2608.908274] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2608.946676] ================================================================================ [ 2608.995982] ================================================================================ [ 2609.044688] UBSAN: Undefined behaviour in kernel/sched/fair.c:649:11 [ 2609.093094] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2609.146507] which requires 64 byte alignment [ 2609.179274] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2609.216299] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2609.282217] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07be0 ffffffffb26ec5cc [ 2609.327760] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2609.374948] ffffffff00000010 ffff8800a3d07c08 ffff8800a3d07bb8 ffffffffb363c3e0 [ 2609.427687] Call Trace: [ 2609.447391] [] dump_stack+0xd7/0x132 [ 2609.485463] [] ? arch_local_irq_restore+0x1b/0x1b [ 2609.519403] [] ubsan_epilogue+0x12/0x53 [ 2609.563842] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2609.607609] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2609.651864] [] ? get_rr_interval_fair+0x87/0x87 [ 2609.696397] [] sched_slice+0x1cb/0x24f [ 2609.734490] [] ? __calc_delta+0x21b/0x21b [ 2609.767729] [] ? hrtimer_active+0x1ba/0x1c9 [ 2609.805234] [] task_tick_fair+0x116/0x2b0 [ 2609.845874] [] scheduler_tick+0x11a/0x17f [ 2609.880635] [] update_process_times+0x57/0x64 [ 2609.937390] [] tick_sched_handle+0x114/0x125 [ 2609.974251] [] tick_sched_timer+0x43/0xab [ 2610.005968] [] __hrtimer_run_queues+0x433/0x7b1 [ 2610.040040] [] ? tick_sched_do_timer+0x5f/0x5f [ 2610.091330] [] ? hrtimer_cancel+0x37/0x37 [ 2610.132112] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2610.194412] [] hrtimer_interrupt+0x179/0x41c [ 2610.228279] [] local_apic_timer_interrupt+0xe4/0xeb [ 2610.268720] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2610.311040] [] apic_timer_interrupt+0x82/0x90 [ 2610.349502] [] ? autogroup_move_group+0x1d1/0x318 [ 2610.399051] [] ? arch_local_irq_restore+0x6/0xd [ 2610.442238] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2610.495571] [] autogroup_move_group+0x1e7/0x318 [ 2610.540337] [] ? autogroup_task_get+0x15a/0x15a [ 2610.596724] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2610.633211] [] ? autogroup_move_group+0x318/0x318 [ 2610.676990] [] ? tty_kref_put+0x3b/0x40 [ 2610.720448] [] sys_setsid+0x35b/0x39f [ 2610.756329] [] ? SyS_getsid+0x12f/0x12f [ 2610.789663] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2610.831642] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2610.869526] ================================================================================ [ 2610.935626] ================================================================================ [ 2610.988194] UBSAN: Undefined behaviour in kernel/sched/fair.c:636:2 [ 2611.034583] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2611.101230] which requires 64 byte alignment [ 2611.127438] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2611.165917] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2611.252006] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07be0 ffffffffb26ec5cc [ 2611.297088] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2611.343712] ffffffff00000010 ffff8800a3d07c08 ffff8800a3d07bb8 ffffffffb363c3e0 [ 2611.388701] Call Trace: [ 2611.402633] [] dump_stack+0xd7/0x132 [ 2611.449450] [] ? arch_local_irq_restore+0x1b/0x1b [ 2611.492252] [] ubsan_epilogue+0x12/0x53 [ 2611.534313] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2611.578583] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2611.621864] [] ? __calc_delta+0x91/0x21b [ 2611.668163] [] ? get_rr_interval_fair+0x87/0x87 [ 2611.706351] [] sched_slice+0x1fd/0x24f [ 2611.750087] [] ? __calc_delta+0x21b/0x21b [ 2611.787076] [] ? hrtimer_active+0x1ba/0x1c9 [ 2611.824477] [] task_tick_fair+0x116/0x2b0 [ 2611.863771] [] scheduler_tick+0x11a/0x17f [ 2611.903691] [] update_process_times+0x57/0x64 [ 2611.938673] [] tick_sched_handle+0x114/0x125 [ 2611.981020] [] tick_sched_timer+0x43/0xab [ 2612.026465] [] __hrtimer_run_queues+0x433/0x7b1 [ 2612.069847] [] ? tick_sched_do_timer+0x5f/0x5f [ 2612.121292] [] ? hrtimer_cancel+0x37/0x37 [ 2612.169043] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2612.205334] [] hrtimer_interrupt+0x179/0x41c [ 2612.253863] [] local_apic_timer_interrupt+0xe4/0xeb [ 2612.306700] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2612.348422] [] apic_timer_interrupt+0x82/0x90 [ 2612.384747] [] ? autogroup_move_group+0x1d1/0x318 [ 2612.433153] [] ? arch_local_irq_restore+0x6/0xd [ 2612.472640] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2612.525263] [] autogroup_move_group+0x1e7/0x318 [ 2612.562818] [] ? autogroup_task_get+0x15a/0x15a [ 2612.609123] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2612.653010] [] ? autogroup_move_group+0x318/0x318 [ 2612.699115] [] ? tty_kref_put+0x3b/0x40 [ 2612.730904] [] sys_setsid+0x35b/0x39f [ 2612.776300] [] ? SyS_getsid+0x12f/0x12f [ 2612.816548] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2612.852037] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2612.905747] ================================================================================ [ 2612.955259] ================================================================================ [ 2613.003144] UBSAN: Undefined behaviour in kernel/sched/fair.c:3509:19 [ 2613.054274] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2613.122060] which requires 64 byte alignment [ 2613.155867] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2613.196844] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2613.258581] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07c88 ffffffffb26ec5cc [ 2613.302061] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2613.355158] ffffffff00000010 ffff8800a3d07cb0 ffff8800a3d07c60 ffffffffb363c3e0 [ 2613.402390] Call Trace: [ 2613.417670] [] dump_stack+0xd7/0x132 [ 2613.472510] [] ? arch_local_irq_restore+0x1b/0x1b [ 2613.517426] [] ubsan_epilogue+0x12/0x53 [ 2613.562604] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2613.604407] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2613.647563] [] ? hrtimer_active+0x1ba/0x1c9 [ 2613.687041] [] task_tick_fair+0x134/0x2b0 [ 2613.731723] [] scheduler_tick+0x11a/0x17f [ 2613.772214] [] update_process_times+0x57/0x64 [ 2613.824170] [] tick_sched_handle+0x114/0x125 [ 2613.864595] [] tick_sched_timer+0x43/0xab [ 2613.907472] [] __hrtimer_run_queues+0x433/0x7b1 [ 2613.955297] [] ? tick_sched_do_timer+0x5f/0x5f [ 2613.994952] [] ? hrtimer_cancel+0x37/0x37 [ 2614.035066] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2614.074317] [] hrtimer_interrupt+0x179/0x41c [ 2614.112176] [] local_apic_timer_interrupt+0xe4/0xeb [ 2614.153695] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2614.194284] [] apic_timer_interrupt+0x82/0x90 [ 2614.230690] [] ? autogroup_move_group+0x1d1/0x318 [ 2614.273481] [] ? arch_local_irq_restore+0x6/0xd [ 2614.306855] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2614.353553] [] autogroup_move_group+0x1e7/0x318 [ 2614.390211] [] ? autogroup_task_get+0x15a/0x15a [ 2614.429105] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2614.468300] [] ? autogroup_move_group+0x318/0x318 [ 2614.524435] [] ? tty_kref_put+0x3b/0x40 [ 2614.558487] [] sys_setsid+0x35b/0x39f [ 2614.594208] [] ? SyS_getsid+0x12f/0x12f [ 2614.621246] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2614.661005] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2614.700311] ================================================================================ [ 2614.755110] ================================================================================ [ 2614.804660] UBSAN: Undefined behaviour in kernel/sched/fair.c:3509:44 [ 2614.844823] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2614.900617] which requires 64 byte alignment [ 2614.928162] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2614.992888] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2615.051186] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07c88 ffffffffb26ec5cc [ 2615.095124] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2615.138843] ffffffff00000010 ffff8800a3d07cb0 ffff8800a3d07c60 ffffffffb363c3e0 [ 2615.196117] Call Trace: [ 2615.212572] [] dump_stack+0xd7/0x132 [ 2615.247773] [] ? arch_local_irq_restore+0x1b/0x1b [ 2615.291017] [] ubsan_epilogue+0x12/0x53 [ 2615.333101] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2615.371596] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2615.415980] [] ? hrtimer_active+0x1ba/0x1c9 [ 2615.457505] [] task_tick_fair+0x15d/0x2b0 [ 2615.499162] [] scheduler_tick+0x11a/0x17f [ 2615.532312] [] update_process_times+0x57/0x64 [ 2615.569030] [] tick_sched_handle+0x114/0x125 [ 2615.602159] [] tick_sched_timer+0x43/0xab [ 2615.643201] [] __hrtimer_run_queues+0x433/0x7b1 [ 2615.681607] [] ? tick_sched_do_timer+0x5f/0x5f [ 2615.716200] [] ? hrtimer_cancel+0x37/0x37 [ 2615.748579] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2615.794684] [] hrtimer_interrupt+0x179/0x41c [ 2615.827848] [] local_apic_timer_interrupt+0xe4/0xeb [ 2615.867223] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2615.913698] [] apic_timer_interrupt+0x82/0x90 [ 2615.952518] [] ? autogroup_move_group+0x1d1/0x318 [ 2616.012907] [] ? arch_local_irq_restore+0x6/0xd [ 2616.051641] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2616.091158] [] autogroup_move_group+0x1e7/0x318 [ 2616.124902] [] ? autogroup_task_get+0x15a/0x15a [ 2616.162165] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2616.202886] [] ? autogroup_move_group+0x318/0x318 [ 2616.244142] [] ? tty_kref_put+0x3b/0x40 [ 2616.278860] [] sys_setsid+0x35b/0x39f [ 2616.315377] [] ? SyS_getsid+0x12f/0x12f [ 2616.346995] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2616.381286] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2616.427622] ================================================================================ [ 2616.503322] ================================================================================ [ 2616.556324] UBSAN: Undefined behaviour in kernel/sched/fair.c:8368:2 [ 2616.595593] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2616.651999] which requires 64 byte alignment [ 2616.681003] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2616.722541] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2616.781568] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07c88 ffffffffb26ec5cc [ 2616.823968] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2616.872388] ffffffff00000010 ffff8800a3d07cb0 ffff8800a3d07c60 ffffffffb363c3e0 [ 2616.924390] Call Trace: [ 2616.941614] [] dump_stack+0xd7/0x132 [ 2616.980002] [] ? arch_local_irq_restore+0x1b/0x1b [ 2617.019568] [] ubsan_epilogue+0x12/0x53 [ 2617.058949] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2617.107460] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2617.159493] [] ? hrtimer_active+0x1ba/0x1c9 [ 2617.198232] [] task_tick_fair+0x274/0x2b0 [ 2617.235242] [] scheduler_tick+0x11a/0x17f [ 2617.276728] [] update_process_times+0x57/0x64 [ 2617.314339] [] tick_sched_handle+0x114/0x125 [ 2617.352675] [] tick_sched_timer+0x43/0xab [ 2617.396925] [] __hrtimer_run_queues+0x433/0x7b1 [ 2617.460390] [] ? tick_sched_do_timer+0x5f/0x5f [ 2617.498194] [] ? hrtimer_cancel+0x37/0x37 [ 2617.539730] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2617.583178] [] hrtimer_interrupt+0x179/0x41c [ 2617.633773] [] local_apic_timer_interrupt+0xe4/0xeb [ 2617.676331] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2617.716815] [] apic_timer_interrupt+0x82/0x90 [ 2617.766003] [] ? autogroup_move_group+0x1d1/0x318 [ 2617.818563] [] ? arch_local_irq_restore+0x6/0xd [ 2617.869404] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2617.916916] [] autogroup_move_group+0x1e7/0x318 [ 2617.959798] [] ? autogroup_task_get+0x15a/0x15a [ 2618.001568] [] sched_autogroup_create_attach+0x1e1/0x21f [ 2618.042922] [] ? autogroup_move_group+0x318/0x318 [ 2618.083097] [] ? tty_kref_put+0x3b/0x40 [ 2618.127588] [] sys_setsid+0x35b/0x39f [ 2618.162577] [] ? SyS_getsid+0x12f/0x12f [ 2618.199212] [] ? syscall_return_slowpath+0x1b4/0x247 [ 2618.240749] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2618.285008] ================================================================================ [ 2618.348756] ================================================================================ [ 2618.412491] UBSAN: Undefined behaviour in kernel/sched/fair.c:277:11 [ 2618.462698] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2618.530518] which requires 64 byte alignment [ 2618.560824] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2618.602516] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2618.671762] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc50 ffffffffb26ec5cc [ 2618.736131] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2618.796138] 1ffff10000000010 ffff88005c9dfc78 ffff88005c9dfc28 ffffffffb363c3e0 [ 2618.855231] Call Trace: [ 2618.871407] [] dump_stack+0xd7/0x132 [ 2618.922587] [] ? arch_local_irq_restore+0x1b/0x1b [ 2618.968843] [] ubsan_epilogue+0x12/0x53 [ 2619.016933] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2619.075124] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2619.124008] [] put_prev_task_fair+0x2f/0x7d [ 2619.162728] [] pick_next_task_stop+0xc8/0x12f [ 2619.199926] [] pick_next_task+0x110/0x15c [ 2619.241444] [] __schedule+0x54b/0x126c [ 2619.277580] [] ? io_schedule_timeout+0x33d/0x33d [ 2619.317136] [] ? sched_autogroup_create_attach+0x1e9/0x21f [ 2619.370293] [] ? autogroup_move_group+0x318/0x318 [ 2619.410673] [] ? tty_kref_put+0x3b/0x40 [ 2619.457136] [] schedule+0x162/0x1a3 [ 2619.502426] [] prepare_exit_to_usermode+0xf6/0x1d9 [ 2619.556391] [] syscall_return_slowpath+0x1b4/0x247 [ 2619.602692] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 2619.644147] ================================================================================ [ 2619.739137] ================================================================================ [ 2619.865112] UBSAN: Undefined behaviour in kernel/sched/fair.c:3639:10 [ 2619.943237] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2620.013563] which requires 64 byte alignment [ 2620.044478] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2620.103098] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2620.173708] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc28 ffffffffb26ec5cc [ 2620.231220] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2620.286663] ffffffff00000010 ffff88005c9dfc50 ffff88005c9dfc00 ffffffffb363c3e0 [ 2620.338639] Call Trace: [ 2620.354791] [] dump_stack+0xd7/0x132 [ 2620.392233] [] ? arch_local_irq_restore+0x1b/0x1b [ 2620.435092] [] ubsan_epilogue+0x12/0x53 [ 2620.482595] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2620.523904] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2620.568015] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2620.607768] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2620.654088] [] put_prev_entity+0x2e/0x111 [ 2620.686339] [] put_prev_task_fair+0x4a/0x7d [ 2620.720124] [] pick_next_task_stop+0xc8/0x12f [ 2620.756377] [] pick_next_task+0x110/0x15c [ 2620.802469] [] __schedule+0x54b/0x126c [ 2620.836273] [] ? io_schedule_timeout+0x33d/0x33d [ 2620.872251] [] ? sched_autogroup_create_attach+0x1e9/0x21f [ 2620.917488] [] ? autogroup_move_group+0x318/0x318 [ 2620.959525] [] ? tty_kref_put+0x3b/0x40 [ 2620.996888] [] schedule+0x162/0x1a3 [ 2621.043258] [] prepare_exit_to_usermode+0xf6/0x1d9 [ 2621.089694] [] syscall_return_slowpath+0x1b4/0x247 [ 2621.123747] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 2621.165614] ================================================================================ [ 2621.220436] ================================================================================ [ 2621.273728] UBSAN: Undefined behaviour in kernel/sched/fair.c:3651:10 [ 2621.314415] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2621.367889] which requires 64 byte alignment [ 2621.396115] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2621.441298] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2621.493165] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc28 ffffffffb26ec5cc [ 2621.544498] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2621.594543] ffffffff00000010 ffff88005c9dfc50 ffff88005c9dfc00 ffffffffb363c3e0 [ 2621.638293] Call Trace: [ 2621.652414] [] dump_stack+0xd7/0x132 [ 2621.681550] [] ? arch_local_irq_restore+0x1b/0x1b [ 2621.720665] [] ubsan_epilogue+0x12/0x53 [ 2621.756469] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2621.799505] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2621.839339] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2621.885700] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2621.932667] [] put_prev_entity+0xa6/0x111 [ 2621.975215] [] put_prev_task_fair+0x4a/0x7d [ 2622.015934] [] pick_next_task_stop+0xc8/0x12f [ 2622.058688] [] pick_next_task+0x110/0x15c [ 2622.095158] [] __schedule+0x54b/0x126c [ 2622.125008] [] ? io_schedule_timeout+0x33d/0x33d [ 2622.170353] [] ? sched_autogroup_create_attach+0x1e9/0x21f [ 2622.211904] [] ? autogroup_move_group+0x318/0x318 [ 2622.251101] [] ? tty_kref_put+0x3b/0x40 [ 2622.283600] [] schedule+0x162/0x1a3 [ 2622.320210] [] prepare_exit_to_usermode+0xf6/0x1d9 [ 2622.357595] [] syscall_return_slowpath+0x1b4/0x247 [ 2622.400131] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 2622.438466] ================================================================================ [ 2622.498267] ================================================================================ [ 2622.550071] UBSAN: Undefined behaviour in kernel/sched/fair.c:454:16 [ 2622.587482] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2622.639141] which requires 64 byte alignment [ 2622.665766] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2622.706915] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2622.772061] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfbd8 ffffffffb26ec5cc [ 2622.814378] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2622.860822] ffffffff00000010 ffff88005c9dfc00 ffff88005c9dfbb0 ffffffffb363c3e0 [ 2622.908946] Call Trace: [ 2622.930518] [] dump_stack+0xd7/0x132 [ 2622.959838] [] ? arch_local_irq_restore+0x1b/0x1b [ 2623.014115] [] ubsan_epilogue+0x12/0x53 [ 2623.054384] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2623.114228] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2623.170882] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2623.215195] [] __enqueue_entity+0xa4/0x1fe [ 2623.262121] [] put_prev_entity+0xbf/0x111 [ 2623.304828] [] put_prev_task_fair+0x4a/0x7d [ 2623.343585] [] pick_next_task_stop+0xc8/0x12f [ 2623.395573] [] pick_next_task+0x110/0x15c [ 2623.437534] [] __schedule+0x54b/0x126c [ 2623.479415] [] ? io_schedule_timeout+0x33d/0x33d [ 2623.523943] [] ? sched_autogroup_create_attach+0x1e9/0x21f [ 2623.572786] [] ? autogroup_move_group+0x318/0x318 [ 2623.615713] [] ? tty_kref_put+0x3b/0x40 [ 2623.661129] [] schedule+0x162/0x1a3 [ 2623.701679] [] prepare_exit_to_usermode+0xf6/0x1d9 [ 2623.748362] [] syscall_return_slowpath+0x1b4/0x247 [ 2623.798611] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 2623.843243] ================================================================================ [ 2623.893097] ================================================================================ [ 2623.954442] UBSAN: Undefined behaviour in kernel/sched/fair.c:5835:2 [ 2624.007386] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2624.071888] which requires 64 byte alignment [ 2624.101428] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2624.146204] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2624.203883] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfc50 ffffffffb26ec5cc [ 2624.266552] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2624.324601] 1ffff10000000010 ffff88005c9dfc78 ffff88005c9dfc28 ffffffffb363c3e0 [ 2624.381688] Call Trace: [ 2624.399471] [] dump_stack+0xd7/0x132 [ 2624.443941] [] ? arch_local_irq_restore+0x1b/0x1b [ 2624.485498] [] ubsan_epilogue+0x12/0x53 [ 2624.526032] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2624.573161] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2624.619065] [] put_prev_task_fair+0x63/0x7d [ 2624.650459] [] pick_next_task_stop+0xc8/0x12f [ 2624.691522] [] pick_next_task+0x110/0x15c [ 2624.722121] [] __schedule+0x54b/0x126c [ 2624.753395] [] ? io_schedule_timeout+0x33d/0x33d [ 2624.799171] [] ? sched_autogroup_create_attach+0x1e9/0x21f [ 2624.851439] [] ? autogroup_move_group+0x318/0x318 [ 2624.898159] [] ? tty_kref_put+0x3b/0x40 [ 2624.932038] [] schedule+0x162/0x1a3 [ 2624.965215] [] prepare_exit_to_usermode+0xf6/0x1d9 [ 2625.013252] [] syscall_return_slowpath+0x1b4/0x247 [ 2625.054313] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 2625.095162] ================================================================================ [ 2625.147617] ================================================================================ [ 2625.225737] UBSAN: Undefined behaviour in kernel/sched/fair.c:277:11 [ 2625.283975] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2625.373277] which requires 64 byte alignment [ 2625.417059] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 4.8.11 #1 [ 2625.483233] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2625.581594] 00000000ffffffff 0c28571bde984a73 ffff88005d407a40 ffffffffb26ec5cc [ 2625.669236] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2625.754737] ffff880000000010 ffff88005d407a68 ffff88005d407a18 ffffffffb363c3e0 [ 2625.840093] Call Trace: [ 2625.864228] [] dump_stack+0xd7/0x132 [ 2625.938719] [] ? arch_local_irq_restore+0x1b/0x1b [ 2626.002876] [] ubsan_epilogue+0x12/0x53 [ 2626.062221] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2626.134170] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2626.208361] [] ? __list_add+0x211/0x249 [ 2626.267762] [] ? __list_del_entry+0x20c/0x242 [ 2626.326003] [] ? assoc_array_gc+0x12e7/0x12e7 [ 2626.392579] [] task_h_load+0x268/0x556 [ 2626.454090] [] ? can_migrate_task+0x6be/0xb72 [ 2626.512361] [] load_balance+0x92d/0x1841 [ 2626.578397] [] ? find_busiest_group+0x55f/0x55f [ 2626.636134] [] ? div_u64+0xcd/0xcd [ 2626.701378] [] ? sched_clock_cpu+0x1c/0x161 [ 2626.765790] [] ? update_rq_clock+0x69/0x138 [ 2626.819396] [] ? update_tg_load_avg.constprop.34+0x93/0x17f [ 2626.885467] [] ? __msecs_to_jiffies+0x38/0x40 [ 2626.938932] [] rebalance_domains+0x3ad/0x5d1 [ 2627.002084] [] ? pick_next_task_fair+0xb60/0xb60 [ 2627.068794] [] ? find_next_bit+0x3e/0x48 [ 2627.127508] [] run_rebalance_domains+0x522/0x561 [ 2627.194629] [] ? rebalance_domains+0x5d1/0x5d1 [ 2627.258687] [] ? __asan_loadN+0xf/0x11 [ 2627.310599] [] ? pvclock_clocksource_read+0x10d/0x171 [ 2627.400515] [] __do_softirq+0x211/0x59e [ 2627.453431] [] irq_exit+0x65/0xd6 [ 2627.504041] [] scheduler_ipi+0xe2/0xe9 [ 2627.563914] [] smp_reschedule_interrupt+0x1a/0x1c [ 2627.629131] [] reschedule_interrupt+0x82/0x90 [ 2627.704783] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 2627.792379] [] ? native_safe_halt+0x6/0x8 [ 2627.862482] [] default_idle+0x1f/0x32 [ 2627.919715] [] arch_cpu_idle+0xf/0x11 [ 2627.971485] [] default_idle_call+0x1e/0x20 [ 2628.030941] [] cpu_startup_entry+0x20f/0x384 [ 2628.090520] [] ? default_idle_call+0x20/0x20 [ 2628.148827] [] rest_init+0x8c/0x8f [ 2628.196297] [] start_kernel+0x618/0x64b [ 2628.253769] [] ? thread_stack_cache_init+0xb/0xb [ 2628.322862] [] ? cmdline_find_option_bool+0x131/0x146 [ 2628.400265] [] ? early_idt_handler_array+0x120/0x120 [ 2628.476598] [] x86_64_start_reservations+0x24/0x26 [ 2628.556236] [] x86_64_start_kernel+0x179/0x19c [ 2628.606739] ================================================================================ [ 2628.694678] ================================================================================ [ 2628.774341] UBSAN: Undefined behaviour in kernel/sched/fair.c:6435:2 [ 2628.839476] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2628.931757] which requires 64 byte alignment [ 2628.979228] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 4.8.11 #1 [ 2629.061085] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2629.171986] 00000000ffffffff 0c28571bde984a73 ffff88005d407a40 ffffffffb26ec5cc [ 2629.280432] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2629.370843] ffff880000000010 ffff88005d407a68 ffff88005d407a18 ffffffffb363c3e0 [ 2629.452408] Call Trace: [ 2629.473680] [] dump_stack+0xd7/0x132 [ 2629.544041] [] ? arch_local_irq_restore+0x1b/0x1b [ 2629.604187] [] ubsan_epilogue+0x12/0x53 [ 2629.651976] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2629.714806] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2629.776545] [] ? __list_add+0x211/0x249 [ 2629.831909] [] ? __list_del_entry+0x20c/0x242 [ 2629.887867] [] ? assoc_array_gc+0x12e7/0x12e7 [ 2629.947070] [] task_h_load+0x2f3/0x556 [ 2629.993665] [] ? can_migrate_task+0x6be/0xb72 [ 2630.057202] [] load_balance+0x92d/0x1841 [ 2630.109161] [] ? find_busiest_group+0x55f/0x55f [ 2630.167338] [] ? div_u64+0xcd/0xcd [ 2630.211517] [] ? sched_clock_cpu+0x1c/0x161 [ 2630.274202] [] ? update_rq_clock+0x69/0x138 [ 2630.335656] [] ? update_tg_load_avg.constprop.34+0x93/0x17f [ 2630.416016] [] ? __msecs_to_jiffies+0x38/0x40 [ 2630.472213] [] rebalance_domains+0x3ad/0x5d1 [ 2630.522667] [] ? pick_next_task_fair+0xb60/0xb60 [ 2630.592669] [] ? find_next_bit+0x3e/0x48 [ 2630.637901] [] run_rebalance_domains+0x522/0x561 [ 2630.691125] [] ? rebalance_domains+0x5d1/0x5d1 [ 2630.752787] [] ? __asan_loadN+0xf/0x11 [ 2630.819062] [] ? pvclock_clocksource_read+0x10d/0x171 [ 2630.885035] [] __do_softirq+0x211/0x59e [ 2630.942032] [] irq_exit+0x65/0xd6 [ 2631.000143] [] scheduler_ipi+0xe2/0xe9 [ 2631.060334] [] smp_reschedule_interrupt+0x1a/0x1c [ 2631.121751] [] reschedule_interrupt+0x82/0x90 [ 2631.174435] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 2631.252981] [] ? native_safe_halt+0x6/0x8 [ 2631.308174] [] default_idle+0x1f/0x32 [ 2631.375920] [] arch_cpu_idle+0xf/0x11 [ 2631.419540] [] default_idle_call+0x1e/0x20 [ 2631.480673] [] cpu_startup_entry+0x20f/0x384 [ 2631.536794] [] ? default_idle_call+0x20/0x20 [ 2631.584062] [] rest_init+0x8c/0x8f [ 2631.628067] [] start_kernel+0x618/0x64b [ 2631.674523] [] ? thread_stack_cache_init+0xb/0xb [ 2631.737634] [] ? cmdline_find_option_bool+0x131/0x146 [ 2631.802155] [] ? early_idt_handler_array+0x120/0x120 [ 2631.866676] [] x86_64_start_reservations+0x24/0x26 [ 2631.927551] [] x86_64_start_kernel+0x179/0x19c [ 2631.991449] ================================================================================ [ 2632.071662] ================================================================================ [ 2632.154638] UBSAN: Undefined behaviour in kernel/sched/fair.c:6449:10 [ 2632.208808] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2632.290754] which requires 64 byte alignment [ 2632.331361] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 4.8.11 #1 [ 2632.416770] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2632.505377] 00000000ffffffff 0c28571bde984a73 ffff88005d407a40 ffffffffb26ec5cc [ 2632.575659] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2632.645897] ffff880000000010 ffff88005d407a68 ffff88005d407a18 ffffffffb363c3e0 [ 2632.718269] Call Trace: [ 2632.740072] [] dump_stack+0xd7/0x132 [ 2632.795764] [] ? arch_local_irq_restore+0x1b/0x1b [ 2632.856293] [] ubsan_epilogue+0x12/0x53 [ 2632.922098] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2632.992503] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2633.082403] [] ? __list_add+0x211/0x249 [ 2633.133389] [] ? __list_del_entry+0x20c/0x242 [ 2633.202835] [] ? assoc_array_gc+0x12e7/0x12e7 [ 2633.261331] [] task_h_load+0x495/0x556 [ 2633.328346] [] load_balance+0x92d/0x1841 [ 2633.393633] [] ? find_busiest_group+0x55f/0x55f [ 2633.449580] [] ? div_u64+0xcd/0xcd [ 2633.498063] [] ? sched_clock_cpu+0x1c/0x161 [ 2633.563002] [] ? update_rq_clock+0x69/0x138 [ 2633.628266] [] ? update_tg_load_avg.constprop.34+0x93/0x17f [ 2633.705254] [] ? __msecs_to_jiffies+0x38/0x40 [ 2633.763731] [] rebalance_domains+0x3ad/0x5d1 [ 2633.843052] [] ? pick_next_task_fair+0xb60/0xb60 [ 2633.924873] [] ? find_next_bit+0x3e/0x48 [ 2633.984321] [] run_rebalance_domains+0x522/0x561 [ 2634.056046] [] ? rebalance_domains+0x5d1/0x5d1 [ 2634.105320] [] ? __asan_loadN+0xf/0x11 [ 2634.154061] [] ? pvclock_clocksource_read+0x10d/0x171 [ 2634.218417] [] __do_softirq+0x211/0x59e [ 2634.274655] [] irq_exit+0x65/0xd6 [ 2634.320611] [] scheduler_ipi+0xe2/0xe9 [ 2634.372485] [] smp_reschedule_interrupt+0x1a/0x1c [ 2634.458319] [] reschedule_interrupt+0x82/0x90 [ 2634.517146] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 2634.598385] [] ? native_safe_halt+0x6/0x8 [ 2634.667731] [] default_idle+0x1f/0x32 [ 2634.724099] [] arch_cpu_idle+0xf/0x11 [ 2634.771206] [] default_idle_call+0x1e/0x20 [ 2634.828671] [] cpu_startup_entry+0x20f/0x384 [ 2634.901594] [] ? default_idle_call+0x20/0x20 [ 2634.956382] [] rest_init+0x8c/0x8f [ 2635.001451] [] start_kernel+0x618/0x64b [ 2635.061808] [] ? thread_stack_cache_init+0xb/0xb [ 2635.118755] [] ? cmdline_find_option_bool+0x131/0x146 [ 2635.182310] [] ? early_idt_handler_array+0x120/0x120 [ 2635.256261] [] x86_64_start_reservations+0x24/0x26 [ 2635.324504] [] x86_64_start_kernel+0x179/0x19c [ 2635.391825] ================================================================================ [ 2635.481705] ================================================================================ [ 2635.574717] UBSAN: Undefined behaviour in kernel/sched/fair.c:283:12 [ 2635.631745] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2635.738886] which requires 64 byte alignment [ 2635.778177] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 4.8.11 #1 [ 2635.842394] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2635.930363] 00000000ffffffff 0c28571bde984a73 ffff88005d407a40 ffffffffb26ec5cc [ 2635.997723] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2636.078911] ffff880000000010 ffff88005d407a68 ffff88005d407a18 ffffffffb363c3e0 [ 2636.150506] Call Trace: [ 2636.168917] [] dump_stack+0xd7/0x132 [ 2636.235781] [] ? arch_local_irq_restore+0x1b/0x1b [ 2636.292191] [] ubsan_epilogue+0x12/0x53 [ 2636.338454] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2636.406722] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2636.479365] [] ? __list_add+0x211/0x249 [ 2636.530422] [] ? __list_del_entry+0x20c/0x242 [ 2636.586022] [] ? assoc_array_gc+0x12e7/0x12e7 [ 2636.634923] [] task_h_load+0x4a9/0x556 [ 2636.677758] [] load_balance+0x92d/0x1841 [ 2636.743739] [] ? find_busiest_group+0x55f/0x55f [ 2636.801078] [] ? div_u64+0xcd/0xcd [ 2636.853656] [] ? sched_clock_cpu+0x1c/0x161 [ 2636.930407] [] ? update_rq_clock+0x69/0x138 [ 2637.005142] [] ? update_tg_load_avg.constprop.34+0x93/0x17f [ 2637.092007] [] ? __msecs_to_jiffies+0x38/0x40 [ 2637.159689] [] rebalance_domains+0x3ad/0x5d1 [ 2637.218768] [] ? pick_next_task_fair+0xb60/0xb60 [ 2637.290913] [] ? find_next_bit+0x3e/0x48 [ 2637.336984] [] run_rebalance_domains+0x522/0x561 [ 2637.391134] [] ? rebalance_domains+0x5d1/0x5d1 [ 2637.442656] [] ? __asan_loadN+0xf/0x11 [ 2637.501447] [] ? pvclock_clocksource_read+0x10d/0x171 [ 2637.579864] [] __do_softirq+0x211/0x59e [ 2637.633690] [] irq_exit+0x65/0xd6 [ 2637.703562] [] scheduler_ipi+0xe2/0xe9 [ 2637.789688] [] smp_reschedule_interrupt+0x1a/0x1c [ 2637.882475] [] reschedule_interrupt+0x82/0x90 [ 2637.940126] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 2638.021617] [] ? native_safe_halt+0x6/0x8 [ 2638.080350] [] default_idle+0x1f/0x32 [ 2638.135001] [] arch_cpu_idle+0xf/0x11 [ 2638.187961] [] default_idle_call+0x1e/0x20 [ 2638.239713] [] cpu_startup_entry+0x20f/0x384 [ 2638.291562] [] ? default_idle_call+0x20/0x20 [ 2638.341181] [] rest_init+0x8c/0x8f [ 2638.395591] [] start_kernel+0x618/0x64b [ 2638.439989] [] ? thread_stack_cache_init+0xb/0xb [ 2638.495976] [] ? cmdline_find_option_bool+0x131/0x146 [ 2638.571700] [] ? early_idt_handler_array+0x120/0x120 [ 2638.622569] [] x86_64_start_reservations+0x24/0x26 [ 2638.686735] [] x86_64_start_kernel+0x179/0x19c [ 2638.747646] ================================================================================ [ 2638.826743] ================================================================================ [ 2638.918075] UBSAN: Undefined behaviour in kernel/sched/fair.c:277:11 [ 2638.990578] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2639.075273] which requires 64 byte alignment [ 2639.115372] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 4.8.11 #1 [ 2639.176372] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2639.271478] 00000000ffffffff 0c28571bde984a73 ffff88005d4079d8 ffffffffb26ec5cc [ 2639.341429] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2639.416084] ffffffff00000010 ffff88005d407a00 ffff88005d4079b0 ffffffffb363c3e0 [ 2639.480312] Call Trace: [ 2639.501487] [] dump_stack+0xd7/0x132 [ 2639.559723] [] ? arch_local_irq_restore+0x1b/0x1b [ 2639.623808] [] ubsan_epilogue+0x12/0x53 [ 2639.678355] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2639.736982] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2639.803877] [] ? dequeue_entity+0x58d/0x77a [ 2639.862858] [] dequeue_task_fair+0x40/0x2a5 [ 2639.926550] [] dequeue_task+0x1be/0x1c9 [ 2639.974881] [] deactivate_task+0xfb/0x104 [ 2640.037684] [] load_balance+0x9e3/0x1841 [ 2640.081787] [] ? find_busiest_group+0x55f/0x55f [ 2640.141239] [] ? div_u64+0xcd/0xcd [ 2640.191400] [] ? sched_clock_cpu+0x1c/0x161 [ 2640.241930] [] ? update_rq_clock+0x69/0x138 [ 2640.298086] [] ? update_tg_load_avg.constprop.34+0x93/0x17f [ 2640.386173] [] ? __msecs_to_jiffies+0x38/0x40 [ 2640.444570] [] rebalance_domains+0x3ad/0x5d1 [ 2640.500327] [] ? pick_next_task_fair+0xb60/0xb60 [ 2640.556775] [] ? find_next_bit+0x3e/0x48 [ 2640.600060] [] run_rebalance_domains+0x522/0x561 [ 2640.658247] [] ? rebalance_domains+0x5d1/0x5d1 [ 2640.712238] [] ? __asan_loadN+0xf/0x11 [ 2640.765648] [] ? pvclock_clocksource_read+0x10d/0x171 [ 2640.823364] [] __do_softirq+0x211/0x59e [ 2640.882335] [] irq_exit+0x65/0xd6 [ 2640.934596] [] scheduler_ipi+0xe2/0xe9 [ 2640.983090] [] smp_reschedule_interrupt+0x1a/0x1c [ 2641.058740] [] reschedule_interrupt+0x82/0x90 [ 2641.126348] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 2641.216216] [] ? native_safe_halt+0x6/0x8 [ 2641.278741] [] default_idle+0x1f/0x32 [ 2641.334330] [] arch_cpu_idle+0xf/0x11 [ 2641.399419] [] default_idle_call+0x1e/0x20 [ 2641.464378] [] cpu_startup_entry+0x20f/0x384 [ 2641.530824] [] ? default_idle_call+0x20/0x20 [ 2641.590550] [] rest_init+0x8c/0x8f [ 2641.636196] [] start_kernel+0x618/0x64b [ 2641.694410] [] ? thread_stack_cache_init+0xb/0xb [ 2641.754959] [] ? cmdline_find_option_bool+0x131/0x146 [ 2641.830856] [] ? early_idt_handler_array+0x120/0x120 [ 2641.910790] [] x86_64_start_reservations+0x24/0x26 [ 2641.977692] [] x86_64_start_kernel+0x179/0x19c [ 2642.042727] ================================================================================ [ 2642.144331] ================================================================================ [ 2642.231137] UBSAN: Undefined behaviour in kernel/sched/fair.c:3101:3 [ 2642.304125] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2642.409582] which requires 64 byte alignment [ 2642.458408] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 4.8.11 #1 [ 2642.541138] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2642.652511] 00000000ffffffff 0c28571bde984a73 ffff88005d407990 ffffffffb26ec5cc [ 2642.732482] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2642.835771] 0000000000000010 ffff88005d4079b8 ffff88005d407968 ffffffffb363c3e0 [ 2642.963272] Call Trace: [ 2642.986693] [] dump_stack+0xd7/0x132 [ 2643.055446] [] ? arch_local_irq_restore+0x1b/0x1b [ 2643.136924] [] ubsan_epilogue+0x12/0x53 [ 2643.198593] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2643.272001] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2643.352067] [] dequeue_entity+0x77/0x77a [ 2643.412181] [] dequeue_task_fair+0x61/0x2a5 [ 2643.478652] [] dequeue_task+0x1be/0x1c9 [ 2643.538313] [] deactivate_task+0xfb/0x104 [ 2643.591480] [] load_balance+0x9e3/0x1841 [ 2643.636878] [] ? find_busiest_group+0x55f/0x55f [ 2643.698133] [] ? div_u64+0xcd/0xcd [ 2643.746237] [] ? sched_clock_cpu+0x1c/0x161 [ 2643.803178] [] ? update_rq_clock+0x69/0x138 [ 2643.866268] [] ? update_tg_load_avg.constprop.34+0x93/0x17f [ 2644.022887] [] ? __msecs_to_jiffies+0x38/0x40 [ 2644.071822] [] rebalance_domains+0x3ad/0x5d1 [ 2644.126169] [] ? pick_next_task_fair+0xb60/0xb60 [ 2644.182798] [] ? find_next_bit+0x3e/0x48 [ 2644.234744] [] run_rebalance_domains+0x522/0x561 [ 2644.291680] [] ? rebalance_domains+0x5d1/0x5d1 [ 2644.339387] [] ? __asan_loadN+0xf/0x11 [ 2644.390583] [] ? pvclock_clocksource_read+0x10d/0x171 [ 2644.454978] [] __do_softirq+0x211/0x59e [ 2644.507406] [] irq_exit+0x65/0xd6 [ 2644.550222] [] scheduler_ipi+0xe2/0xe9 [ 2644.594502] [] smp_reschedule_interrupt+0x1a/0x1c [ 2644.646149] [] reschedule_interrupt+0x82/0x90 [ 2644.708695] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 2644.778175] [] ? native_safe_halt+0x6/0x8 [ 2644.828805] [] default_idle+0x1f/0x32 [ 2644.890182] [] arch_cpu_idle+0xf/0x11 [ 2644.940005] [] default_idle_call+0x1e/0x20 [ 2644.990892] [] cpu_startup_entry+0x20f/0x384 [ 2645.042884] [] ? default_idle_call+0x20/0x20 [ 2645.098716] [] rest_init+0x8c/0x8f [ 2645.145736] [] start_kernel+0x618/0x64b [ 2645.202888] [] ? thread_stack_cache_init+0xb/0xb [ 2645.258625] [] ? cmdline_find_option_bool+0x131/0x146 [ 2645.313945] [] ? early_idt_handler_array+0x120/0x120 [ 2645.382318] [] x86_64_start_reservations+0x24/0x26 [ 2645.446795] [] x86_64_start_kernel+0x179/0x19c [ 2645.516140] ================================================================================ [ 2645.614266] ================================================================================ [ 2645.695780] UBSAN: Undefined behaviour in kernel/sched/fair.c:3103:3 [ 2645.755363] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2645.846309] which requires 64 byte alignment [ 2645.890835] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 4.8.11 #1 [ 2645.975850] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2646.079467] 00000000ffffffff 0c28571bde984a73 ffff88005d407990 ffffffffb26ec5cc [ 2646.165955] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2646.251456] 0000000000000010 ffff88005d4079b8 ffff88005d407968 ffffffffb363c3e0 [ 2646.332520] Call Trace: [ 2646.358678] [] dump_stack+0xd7/0x132 [ 2646.414468] [] ? arch_local_irq_restore+0x1b/0x1b [ 2646.478693] [] ubsan_epilogue+0x12/0x53 [ 2646.534137] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2646.614507] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2646.687801] [] dequeue_entity+0xfb/0x77a [ 2646.751949] [] dequeue_task_fair+0x61/0x2a5 [ 2646.815710] [] dequeue_task+0x1be/0x1c9 [ 2646.910355] [] deactivate_task+0xfb/0x104 [ 2646.978072] [] load_balance+0x9e3/0x1841 [ 2647.052190] [] ? find_busiest_group+0x55f/0x55f [ 2647.154760] [] ? div_u64+0xcd/0xcd [ 2647.218512] [] ? sched_clock_cpu+0x1c/0x161 [ 2647.298727] [] ? update_rq_clock+0x69/0x138 [ 2647.354114] [] ? update_tg_load_avg.constprop.34+0x93/0x17f [ 2647.452706] [] ? __msecs_to_jiffies+0x38/0x40 [ 2647.526127] [] rebalance_domains+0x3ad/0x5d1 [ 2647.597016] [] ? pick_next_task_fair+0xb60/0xb60 [ 2647.684671] [] ? find_next_bit+0x3e/0x48 [ 2647.763338] [] run_rebalance_domains+0x522/0x561 [ 2647.882558] [] ? rebalance_domains+0x5d1/0x5d1 [ 2647.969540] [] ? __asan_loadN+0xf/0x11 [ 2648.024858] [] ? pvclock_clocksource_read+0x10d/0x171 [ 2648.094666] [] __do_softirq+0x211/0x59e [ 2648.152146] [] irq_exit+0x65/0xd6 [ 2648.212408] [] scheduler_ipi+0xe2/0xe9 [ 2648.271063] [] smp_reschedule_interrupt+0x1a/0x1c [ 2648.350909] [] reschedule_interrupt+0x82/0x90 [ 2648.418967] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 2648.500217] [] ? native_safe_halt+0x6/0x8 [ 2648.573435] [] default_idle+0x1f/0x32 [ 2648.656325] [] arch_cpu_idle+0xf/0x11 [ 2648.738525] [] default_idle_call+0x1e/0x20 [ 2648.840963] [] cpu_startup_entry+0x20f/0x384 [ 2648.910741] [] ? default_idle_call+0x20/0x20 [ 2648.971523] [] rest_init+0x8c/0x8f [ 2649.035388] [] start_kernel+0x618/0x64b [ 2649.098389] [] ? thread_stack_cache_init+0xb/0xb [ 2649.172422] [] ? cmdline_find_option_bool+0x131/0x146 [ 2649.283960] [] ? early_idt_handler_array+0x120/0x120 [ 2649.362134] [] x86_64_start_reservations+0x24/0x26 [ 2649.441740] [] x86_64_start_kernel+0x179/0x19c [ 2649.525472] ================================================================================ [ 2649.620372] ================================================================================ [ 2649.718336] UBSAN: Undefined behaviour in kernel/sched/fair.c:3471:12 [ 2649.817476] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2649.917006] which requires 64 byte alignment [ 2649.962425] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 4.8.11 #1 [ 2650.037729] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2650.140749] 00000000ffffffff 0c28571bde984a73 ffff88005d407990 ffffffffb26ec5cc [ 2650.215118] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2650.294774] 0000000000000010 ffff88005d4079b8 ffff88005d407968 ffffffffb363c3e0 [ 2650.374360] Call Trace: [ 2650.400574] [] dump_stack+0xd7/0x132 [ 2650.462861] [] ? arch_local_irq_restore+0x1b/0x1b [ 2650.524857] [] ubsan_epilogue+0x12/0x53 [ 2650.574708] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2650.642448] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2650.711421] [] dequeue_entity+0x231/0x77a [ 2650.759465] [] dequeue_task_fair+0x61/0x2a5 [ 2650.815770] [] dequeue_task+0x1be/0x1c9 [ 2650.862490] [] deactivate_task+0xfb/0x104 [ 2650.914729] [] load_balance+0x9e3/0x1841 [ 2650.979032] [] ? find_busiest_group+0x55f/0x55f [ 2651.044172] [] ? div_u64+0xcd/0xcd [ 2651.114979] [] ? sched_clock_cpu+0x1c/0x161 [ 2651.172287] [] ? update_rq_clock+0x69/0x138 [ 2651.226345] [] ? update_tg_load_avg.constprop.34+0x93/0x17f [ 2651.294079] [] ? __msecs_to_jiffies+0x38/0x40 [ 2651.354442] [] rebalance_domains+0x3ad/0x5d1 [ 2651.402276] [] ? pick_next_task_fair+0xb60/0xb60 [ 2651.471633] [] ? find_next_bit+0x3e/0x48 [ 2651.538849] [] run_rebalance_domains+0x522/0x561 [ 2651.614648] [] ? rebalance_domains+0x5d1/0x5d1 [ 2651.678519] [] ? __asan_loadN+0xf/0x11 [ 2651.740982] [] ? pvclock_clocksource_read+0x10d/0x171 [ 2651.821506] [] __do_softirq+0x211/0x59e [ 2651.901180] [] irq_exit+0x65/0xd6 [ 2651.948241] [] scheduler_ipi+0xe2/0xe9 [ 2652.010968] [] smp_reschedule_interrupt+0x1a/0x1c [ 2652.110598] [] reschedule_interrupt+0x82/0x90 [ 2652.175456] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 2652.258003] [] ? native_safe_halt+0x6/0x8 [ 2652.322106] [] default_idle+0x1f/0x32 [ 2652.389182] [] arch_cpu_idle+0xf/0x11 [ 2652.454118] [] default_idle_call+0x1e/0x20 [ 2652.523349] [] cpu_startup_entry+0x20f/0x384 [ 2652.591586] [] ? default_idle_call+0x20/0x20 [ 2652.673215] [] rest_init+0x8c/0x8f [ 2652.731996] [] start_kernel+0x618/0x64b [ 2652.787657] [] ? thread_stack_cache_init+0xb/0xb [ 2652.847051] [] ? cmdline_find_option_bool+0x131/0x146 [ 2652.909487] [] ? early_idt_handler_array+0x120/0x120 [ 2652.971109] [] x86_64_start_reservations+0x24/0x26 [ 2653.043333] [] x86_64_start_kernel+0x179/0x19c [ 2653.091335] ================================================================================ [ 2653.174553] ================================================================================ [ 2653.258752] UBSAN: Undefined behaviour in kernel/sched/fair.c:332:11 [ 2653.316937] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2653.411882] which requires 64 byte alignment [ 2653.455444] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 4.8.11 #1 [ 2653.528497] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2653.627207] 00000000ffffffff 0c28571bde984a73 ffff88005d4079d8 ffffffffb26ec5cc [ 2653.702311] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2653.783610] 0000000000000010 ffff88005d407a00 ffff88005d4079b0 ffffffffb363c3e0 [ 2653.858684] Call Trace: [ 2653.885425] [] dump_stack+0xd7/0x132 [ 2653.951527] [] ? arch_local_irq_restore+0x1b/0x1b [ 2654.018038] [] ubsan_epilogue+0x12/0x53 [ 2654.071009] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2654.155759] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2654.228305] [] ? dequeue_entity+0x58d/0x77a [ 2654.286518] [] dequeue_task_fair+0x106/0x2a5 [ 2654.350378] [] dequeue_task+0x1be/0x1c9 [ 2654.407058] [] deactivate_task+0xfb/0x104 [ 2654.471541] [] load_balance+0x9e3/0x1841 [ 2654.520302] [] ? find_busiest_group+0x55f/0x55f [ 2654.587489] [] ? div_u64+0xcd/0xcd [ 2654.634240] [] ? sched_clock_cpu+0x1c/0x161 [ 2654.695014] [] ? update_rq_clock+0x69/0x138 [ 2654.790753] [] ? update_tg_load_avg.constprop.34+0x93/0x17f [ 2655.077653] [] ? __msecs_to_jiffies+0x38/0x40 [ 2655.196141] [] rebalance_domains+0x3ad/0x5d1 [ 2655.310376] [] ? pick_next_task_fair+0xb60/0xb60 [ 2655.485539] [] ? find_next_bit+0x3e/0x48 [ 2655.602567] [] run_rebalance_domains+0x522/0x561 [ 2655.675895] [] ? rebalance_domains+0x5d1/0x5d1 [ 2655.738563] [] ? __asan_loadN+0xf/0x11 [ 2655.795160] [] ? pvclock_clocksource_read+0x10d/0x171 [ 2655.855869] [] __do_softirq+0x211/0x59e [ 2655.910809] [] irq_exit+0x65/0xd6 [ 2655.954599] [] scheduler_ipi+0xe2/0xe9 [ 2656.012572] [] smp_reschedule_interrupt+0x1a/0x1c [ 2656.075548] [] reschedule_interrupt+0x82/0x90 [ 2656.138596] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 2656.221248] [] ? native_safe_halt+0x6/0x8 [ 2656.278876] [] default_idle+0x1f/0x32 [ 2656.333599] [] arch_cpu_idle+0xf/0x11 [ 2656.390851] [] default_idle_call+0x1e/0x20 [ 2656.456707] [] cpu_startup_entry+0x20f/0x384 [ 2656.510416] [] ? default_idle_call+0x20/0x20 [ 2656.573237] [] rest_init+0x8c/0x8f [ 2656.622125] [] start_kernel+0x618/0x64b [ 2656.678832] [] ? thread_stack_cache_init+0xb/0xb [ 2656.743404] [] ? cmdline_find_option_bool+0x131/0x146 [ 2656.809344] [] ? early_idt_handler_array+0x120/0x120 [ 2656.874160] [] x86_64_start_reservations+0x24/0x26 [ 2656.935036] [] x86_64_start_kernel+0x179/0x19c [ 2657.001149] ================================================================================ [ 2657.094090] ================================================================================ [ 2657.151371] UBSAN: Undefined behaviour in kernel/sched/fair.c:454:30 [ 2657.195194] member access within misaligned address ffff88005afefc38 for type 'struct sched_entity' [ 2657.250682] which requires 64 byte alignment [ 2657.274918] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 4.8.11 #1 [ 2657.315603] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2657.373308] 00000000ffffffff 0c28571bde984a73 ffff88005d407af8 ffffffffb26ec5cc [ 2657.419668] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2657.468934] ffff880000000010 ffff88005d407b20 ffff88005d407ad0 ffffffffb363c3e0 [ 2657.525079] Call Trace: [ 2657.544806] [] dump_stack+0xd7/0x132 [ 2657.595069] [] ? arch_local_irq_restore+0x1b/0x1b [ 2657.642858] [] ubsan_epilogue+0x12/0x53 [ 2657.677997] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2657.732696] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2657.784764] [] ? assoc_array_gc+0x12e7/0x12e7 [ 2657.830898] [] __enqueue_entity+0xd0/0x1fe [ 2657.875540] [] enqueue_entity+0xc18/0x16ab [ 2657.919886] [] enqueue_task_fair+0x91/0x22b [ 2657.959301] [] ? enqueue_task_fair+0x91/0x22b [ 2658.013111] [] enqueue_task+0xf3/0xfc [ 2658.043258] [] activate_task+0xfb/0x104 [ 2658.077194] [] ttwu_do_activate+0xb9/0x158 [ 2658.121597] [] try_to_wake_up+0x5db/0x65a [ 2658.154242] [] ? cpus_share_cache+0x125/0x125 [ 2658.194398] [] ? run_rebalance_domains+0x522/0x561 [ 2658.235771] [] ? rebalance_domains+0x5d1/0x5d1 [ 2658.274935] [] wake_up_process+0x15/0x17 [ 2658.318327] [] wakeup_softirqd+0x43/0x46 [ 2658.354822] [] __do_softirq+0x34e/0x59e [ 2658.387806] [] irq_exit+0x65/0xd6 [ 2658.425674] [] scheduler_ipi+0xe2/0xe9 [ 2658.458466] [] smp_reschedule_interrupt+0x1a/0x1c [ 2658.498441] [] reschedule_interrupt+0x82/0x90 [ 2658.542442] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 2658.609998] [] ? native_safe_halt+0x6/0x8 [ 2658.652827] [] default_idle+0x1f/0x32 [ 2658.690551] [] arch_cpu_idle+0xf/0x11 [ 2658.731997] [] default_idle_call+0x1e/0x20 [ 2658.774816] [] cpu_startup_entry+0x20f/0x384 [ 2658.814439] [] ? default_idle_call+0x20/0x20 [ 2658.852174] [] rest_init+0x8c/0x8f [ 2658.884730] [] start_kernel+0x618/0x64b [ 2658.927031] [] ? thread_stack_cache_init+0xb/0xb [ 2658.976841] [] ? cmdline_find_option_bool+0x131/0x146 [ 2659.015067] [] ? early_idt_handler_array+0x120/0x120 [ 2659.060020] [] x86_64_start_reservations+0x24/0x26 [ 2659.108050] [] x86_64_start_kernel+0x179/0x19c [ 2659.156052] ================================================================================ [ 2659.219955] ================================================================================ [ 2659.296074] UBSAN: Undefined behaviour in kernel/sched/fair.c:283:12 [ 2659.364067] member access within misaligned address ffff88005afefc38 for type 'struct sched_entity' [ 2659.458872] which requires 64 byte alignment [ 2659.505781] CPU: 0 PID: 12 Comm: watchdog/0 Tainted: G L 4.8.11 #1 [ 2659.583242] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2659.682635] 00000000ffffffff 00000000c515d691 ffff88005caa7a38 ffffffffb26ec5cc [ 2659.771315] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2659.858259] 0000000000000010 ffff88005caa7a60 ffff88005caa7a10 ffffffffb363c3e0 [ 2659.935536] Call Trace: [ 2659.959290] [] dump_stack+0xd7/0x132 [ 2660.008260] [] ? arch_local_irq_restore+0x1b/0x1b [ 2660.075684] [] ubsan_epilogue+0x12/0x53 [ 2660.133653] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2660.199578] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2660.270751] [] pick_next_task_fair+0x48e/0xb60 [ 2660.332410] [] ? plist_add+0x2c3/0x2c3 [ 2660.377425] [] ? load_balance+0x1841/0x1841 [ 2660.431889] [] ? balance_runtime+0x4d7/0x4d7 [ 2660.480508] [] ? pull_rt_task+0xa4/0x655 [ 2660.535174] [] ? dequeue_task_rt+0x54/0x5f [ 2660.589067] [] pick_next_task+0x110/0x15c [ 2660.645021] [] __schedule+0x54b/0x126c [ 2660.705793] [] ? io_schedule_timeout+0x33d/0x33d [ 2660.775670] [] ? __touch_watchdog+0x21/0x21 [ 2660.839034] [] ? kvm_clock_read+0x1e/0x20 [ 2660.902531] [] ? kvm_sched_clock_read+0x9/0x12 [ 2660.970245] [] ? watchdog_nmi_disable+0x16e/0x17d [ 2661.031648] [] schedule+0x162/0x1a3 [ 2661.084339] [] smpboot_thread_fn+0x677/0x711 [ 2661.148595] [] ? sort_range+0x35/0x35 [ 2661.199353] [] kthread+0x1f7/0x20b [ 2661.261433] [] ? sort_range+0x35/0x35 [ 2661.322622] [] ? init_completion+0x48/0x48 [ 2661.390131] [] ret_from_fork+0x1f/0x40 [ 2661.442482] [] ? init_completion+0x48/0x48 [ 2661.497332] ================================================================================ [ 2661.579653] ================================================================================ [ 2661.675651] UBSAN: Undefined behaviour in kernel/sched/fair.c:5730:12 [ 2661.753640] member access within misaligned address ffff88005afefc38 for type 'struct sched_entity' [ 2661.846134] which requires 64 byte alignment [ 2661.893628] CPU: 0 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2661.948453] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2662.028476] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb58 ffffffffb26ec5cc [ 2662.100035] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2662.187265] 0000000000000010 ffff88005c9dfb80 ffff88005c9dfb30 ffffffffb363c3e0 [ 2662.273354] Call Trace: [ 2662.301507] [] dump_stack+0xd7/0x132 [ 2662.366887] [] ? arch_local_irq_restore+0x1b/0x1b [ 2662.420210] [] ubsan_epilogue+0x12/0x53 [ 2662.472553] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2662.541023] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2662.615287] [] ? power_down+0x109/0x109 [ 2662.662711] [] pick_next_task_fair+0x175/0xb60 [ 2662.722383] [] ? load_balance+0x1841/0x1841 [ 2662.785971] [] ? kvm_clock_read+0x1e/0x20 [ 2662.855175] [] ? kvm_sched_clock_read+0x9/0x12 [ 2662.928603] [] ? paravirt_sched_clock+0x9/0xd [ 2662.991179] [] ? sched_clock+0x9/0xb [ 2663.047946] [] pick_next_task+0xae/0x15c [ 2663.114245] [] __schedule+0x54b/0x126c [ 2663.158504] [] ? io_schedule_timeout+0x33d/0x33d [ 2663.221203] [] ? sched_autogroup_create_attach+0x1e9/0x21f [ 2663.297510] [] ? autogroup_move_group+0x318/0x318 [ 2663.363652] [] ? tty_kref_put+0x3b/0x40 [ 2663.419394] [] schedule+0x162/0x1a3 [ 2663.473212] [] prepare_exit_to_usermode+0xf6/0x1d9 [ 2663.549266] [] syscall_return_slowpath+0x1b4/0x247 [ 2663.612301] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 2663.672039] ================================================================================ [ 2663.742453] ================================================================================ [ 2663.818326] UBSAN: Undefined behaviour in kernel/sched/fair.c:454:16 [ 2663.881756] member access within misaligned address ffff88005afefc38 for type 'struct sched_entity' [ 2663.976615] which requires 64 byte alignment [ 2664.014178] CPU: 0 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2664.081094] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2664.186324] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb18 ffffffffb26ec5cc [ 2664.262475] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2664.330817] 1ffff10000000010 ffff88005c9dfb40 ffff88005c9dfaf0 ffffffffb363c3e0 [ 2664.393926] Call Trace: [ 2664.424967] [] dump_stack+0xd7/0x132 [ 2664.460775] [] ? arch_local_irq_restore+0x1b/0x1b [ 2664.518078] [] ubsan_epilogue+0x12/0x53 [ 2664.570921] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2664.631921] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2664.702108] [] ? update_curr+0x39a/0x564 [ 2664.764926] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2664.848004] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2664.915547] [] pick_next_entity+0x40/0x25f [ 2664.979878] [] ? update_curr+0x231/0x564 [ 2665.038179] [] pick_next_task_fair+0x1ab/0xb60 [ 2665.107354] [] ? load_balance+0x1841/0x1841 [ 2665.170029] [] ? kvm_clock_read+0x1e/0x20 [ 2665.231600] [] ? kvm_sched_clock_read+0x9/0x12 [ 2665.294130] [] ? paravirt_sched_clock+0x9/0xd [ 2665.353802] [] ? sched_clock+0x9/0xb [ 2665.405158] [] pick_next_task+0xae/0x15c [ 2665.459732] [] __schedule+0x54b/0x126c [ 2665.498868] [] ? io_schedule_timeout+0x33d/0x33d [ 2665.558476] [] ? sched_autogroup_create_attach+0x1e9/0x21f [ 2665.632573] [] ? autogroup_move_group+0x318/0x318 [ 2665.696060] [] ? tty_kref_put+0x3b/0x40 [ 2665.750834] [] schedule+0x162/0x1a3 [ 2665.932686] [] prepare_exit_to_usermode+0xf6/0x1d9 [ 2665.979577] [] syscall_return_slowpath+0x1b4/0x247 [ 2666.039717] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 2666.095113] ================================================================================ [ 2666.151776] ================================================================================ [ 2666.209767] UBSAN: Undefined behaviour in kernel/sched/fair.c:324:23 [ 2666.247062] member access within misaligned address ffff88005afefc38 for type 'struct sched_entity' [ 2666.364334] which requires 64 byte alignment [ 2666.436042] CPU: 0 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2666.496482] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2666.576900] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfb58 ffffffffb26ec5cc [ 2666.649195] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2666.721820] 1ffff10000000010 ffff88005c9dfb80 ffff88005c9dfb30 ffffffffb363c3e0 [ 2666.788567] Call Trace: [ 2666.816188] [] dump_stack+0xd7/0x132 [ 2666.861230] [] ? arch_local_irq_restore+0x1b/0x1b [ 2666.921331] [] ubsan_epilogue+0x12/0x53 [ 2666.972067] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2667.042111] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2667.127478] [] pick_next_task_fair+0x243/0xb60 [ 2667.188977] [] ? load_balance+0x1841/0x1841 [ 2667.256928] [] ? kvm_clock_read+0x1e/0x20 [ 2667.311679] [] ? kvm_sched_clock_read+0x9/0x12 [ 2667.390004] [] ? paravirt_sched_clock+0x9/0xd [ 2667.451108] [] ? sched_clock+0x9/0xb [ 2667.500558] [] pick_next_task+0xae/0x15c [ 2667.556419] [] __schedule+0x54b/0x126c [ 2667.609979] [] ? io_schedule_timeout+0x33d/0x33d [ 2667.669140] [] ? sched_autogroup_create_attach+0x1e9/0x21f [ 2667.745818] [] ? autogroup_move_group+0x318/0x318 [ 2667.801341] [] ? tty_kref_put+0x3b/0x40 [ 2667.857832] [] schedule+0x162/0x1a3 [ 2667.898885] [] prepare_exit_to_usermode+0xf6/0x1d9 [ 2667.966493] [] syscall_return_slowpath+0x1b4/0x247 [ 2668.029144] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 2668.114701] ================================================================================ [ 2668.198669] ================================================================================ [ 2668.284954] UBSAN: Undefined behaviour in kernel/sched/fair.c:478:15 [ 2668.351100] member access within misaligned address ffff88005afefc38 for type 'struct sched_entity' [ 2668.427960] which requires 64 byte alignment [ 2668.471067] CPU: 0 PID: 3 Comm: ksoftirqd/0 Tainted: G L 4.8.11 #1 [ 2668.543695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2668.637931] 00000000ffffffff 000000009ba09df9 ffff88005d407ba8 ffffffffb26ec5cc [ 2668.711911] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2668.775734] 0000000000000010 ffff88005d407bd0 ffff88005d407b80 ffffffffb363c3e0 [ 2668.850960] Call Trace: [ 2668.871530] [] dump_stack+0xd7/0x132 [ 2668.944855] [] ? arch_local_irq_restore+0x1b/0x1b [ 2669.002215] [] ubsan_epilogue+0x12/0x53 [ 2669.065328] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2669.138214] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2669.227696] [] update_min_vruntime+0x14f/0x1b0 [ 2669.277837] [] update_curr+0x20c/0x564 [ 2669.334900] [] ? pvclock_clocksource_read+0x10d/0x171 [ 2669.400691] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2669.463955] [] ? kvm_clock_read+0x1e/0x20 [ 2669.519675] [] ? kvm_sched_clock_read+0x9/0x12 [ 2669.573841] [] task_tick_fair+0x62/0x2b0 [ 2669.625850] [] scheduler_tick+0x11a/0x17f [ 2669.687408] [] update_process_times+0x57/0x64 [ 2669.748980] [] tick_sched_handle+0x114/0x125 [ 2669.800787] [] tick_sched_timer+0x43/0xab [ 2669.857643] [] __hrtimer_run_queues+0x433/0x7b1 [ 2669.913568] [] ? tick_sched_do_timer+0x5f/0x5f [ 2669.969618] [] ? hrtimer_cancel+0x37/0x37 [ 2670.034625] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2670.105444] [] hrtimer_interrupt+0x179/0x41c [ 2670.155348] [] local_apic_timer_interrupt+0xe4/0xeb [ 2670.227211] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2670.280517] [] apic_timer_interrupt+0x82/0x90 [ 2670.338343] [] ? finish_task_switch+0x2a8/0x4b3 [ 2670.411683] [] ? arch_local_irq_enable+0xb/0xd [ 2670.475006] [] finish_task_switch+0x2bc/0x4b3 [ 2670.522901] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 2670.589210] [] ? put_prev_task_fair+0x6f/0x7d [ 2670.648112] [] ? pick_next_task_idle+0xe7/0xf5 [ 2670.709685] [] __schedule+0xd78/0x126c [ 2670.765070] [] ? io_schedule_timeout+0x33d/0x33d [ 2670.818707] [] ? __local_bh_enable+0x13/0x77 [ 2670.878227] [] ? __do_softirq+0x42a/0x59e [ 2670.927477] [] schedule+0x162/0x1a3 [ 2670.972496] [] smpboot_thread_fn+0x677/0x711 [ 2671.037873] [] ? sort_range+0x35/0x35 [ 2671.085485] [] kthread+0x1f7/0x20b [ 2671.131999] [] ? sort_range+0x35/0x35 [ 2671.178945] [] ? init_completion+0x48/0x48 [ 2671.234098] [] ret_from_fork+0x1f/0x40 [ 2671.277910] [] ? init_completion+0x48/0x48 [ 2671.336400] ================================================================================ [ 2671.408660] ================================================================================ [ 2671.436270] UBSAN: Undefined behaviour in kernel/sched/fair.c:324:23 [ 2671.457987] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2671.487596] which requires 64 byte alignment [ 2671.504824] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2671.531367] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2671.560669] 00000000ffffffff 0000000054e9053f ffff8800a24b7728 ffffffffb26ec5cc [ 2671.586925] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2671.611962] ffff880000000010 ffff8800a24b7750 ffff8800a24b7700 ffffffffb363c3e0 [ 2671.638419] Call Trace: [ 2671.647811] [] dump_stack+0xd7/0x132 [ 2671.666857] [] ? arch_local_irq_restore+0x1b/0x1b [ 2671.688097] [] ubsan_epilogue+0x12/0x53 [ 2671.703143] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2671.725140] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2671.749767] [] ? __enqueue_entity+0x1ef/0x1fe [ 2671.765565] [] check_preempt_wakeup+0x53d/0x7d1 [ 2671.787729] [] ? dequeue_task_fair+0x2a5/0x2a5 [ 2671.806407] [] ? enqueue_task_fair+0x220/0x22b [ 2671.822872] [] check_preempt_curr+0x122/0x2c3 [ 2671.840249] [] attach_task+0x123/0x12c [ 2671.857635] [] load_balance+0xb59/0x1841 [ 2671.878030] [] ? find_busiest_group+0x55f/0x55f [ 2671.898460] [] ? div_u64+0xcd/0xcd [ 2671.916432] [] ? kvm_clock_read+0x1e/0x20 [ 2671.935924] [] ? paravirt_sched_clock+0x9/0xd [ 2671.958022] [] ? sched_clock+0x9/0xb [ 2671.976495] [] ? sched_clock_cpu+0x1c/0x161 [ 2671.995758] [] pick_next_task_fair+0x892/0xb60 [ 2672.016861] [] ? load_balance+0x1841/0x1841 [ 2672.036146] [] ? hrtick_update+0x48/0xeb [ 2672.056271] [] ? dequeue_task_fair+0x277/0x2a5 [ 2672.078713] [] pick_next_task+0xae/0x15c [ 2672.098249] [] __schedule+0x54b/0x126c [ 2672.114711] [] ? io_schedule_timeout+0x33d/0x33d [ 2672.134195] [] ? __list_add+0x211/0x249 [ 2672.153479] [] ? assoc_array_gc+0x12e7/0x12e7 [ 2672.172978] [] ? create_worker+0x528/0x528 [ 2672.193939] [] schedule+0x162/0x1a3 [ 2672.214311] [] worker_thread+0x797/0x857 [ 2672.234977] [] kthread+0x1f7/0x20b [ 2672.252582] [] ? rescuer_thread+0x91f/0x91f [ 2672.271637] [] ? init_completion+0x48/0x48 [ 2672.293786] [] ret_from_fork+0x1f/0x40 [ 2672.312562] [] ? init_completion+0x48/0x48 [ 2672.330063] ================================================================================ [ 2672.367398] ================================================================================ [ 2672.397394] UBSAN: Undefined behaviour in kernel/sched/fair.c:5574:39 [ 2672.419560] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2672.452124] which requires 64 byte alignment [ 2672.469628] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2672.490569] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2672.519822] 00000000ffffffff 0000000054e9053f ffff8800a24b7700 ffffffffb26ec5cc [ 2672.544022] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2672.566269] ffffffff00000010 ffff8800a24b7728 ffff8800a24b76d8 ffffffffb363c3e0 [ 2672.586735] Call Trace: [ 2672.595071] [] dump_stack+0xd7/0x132 [ 2672.611470] [] ? arch_local_irq_restore+0x1b/0x1b [ 2672.632689] [] ubsan_epilogue+0x12/0x53 [ 2672.655459] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2672.679413] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2672.704562] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2672.730490] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2672.751713] [] wakeup_preempt_entity+0x56/0xbf [ 2672.774240] [] check_preempt_wakeup+0x5d3/0x7d1 [ 2672.795688] [] ? dequeue_task_fair+0x2a5/0x2a5 [ 2672.817726] [] ? enqueue_task_fair+0x220/0x22b [ 2672.837298] [] check_preempt_curr+0x122/0x2c3 [ 2672.858460] [] attach_task+0x123/0x12c [ 2672.876099] [] load_balance+0xb59/0x1841 [ 2672.895482] [] ? find_busiest_group+0x55f/0x55f [ 2672.916508] [] ? div_u64+0xcd/0xcd [ 2672.936259] [] ? kvm_clock_read+0x1e/0x20 [ 2672.957503] [] ? paravirt_sched_clock+0x9/0xd [ 2672.979921] [] ? sched_clock+0x9/0xb [ 2673.000001] [] ? sched_clock_cpu+0x1c/0x161 [ 2673.019750] [] pick_next_task_fair+0x892/0xb60 [ 2673.040516] [] ? load_balance+0x1841/0x1841 [ 2673.058819] [] ? hrtick_update+0x48/0xeb [ 2673.078336] [] ? dequeue_task_fair+0x277/0x2a5 [ 2673.097745] [] pick_next_task+0xae/0x15c [ 2673.116761] [] __schedule+0x54b/0x126c [ 2673.134406] [] ? io_schedule_timeout+0x33d/0x33d [ 2673.154090] [] ? __list_add+0x211/0x249 [ 2673.170813] [] ? assoc_array_gc+0x12e7/0x12e7 [ 2673.194065] [] ? create_worker+0x528/0x528 [ 2673.212404] [] schedule+0x162/0x1a3 [ 2673.229583] [] worker_thread+0x797/0x857 [ 2673.249635] [] kthread+0x1f7/0x20b [ 2673.262833] [] ? rescuer_thread+0x91f/0x91f [ 2673.282223] [] ? init_completion+0x48/0x48 [ 2673.301583] [] ret_from_fork+0x1f/0x40 [ 2673.319590] [] ? init_completion+0x48/0x48 [ 2673.342994] ================================================================================ [ 2673.370452] ================================================================================ [ 2673.399603] UBSAN: Undefined behaviour in kernel/sched/fair.c:283:12 [ 2673.420288] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2673.451750] which requires 64 byte alignment [ 2673.465690] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2673.491568] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2673.521215] 00000000ffffffff 0000000054e9053f ffff8800a24b7a78 ffffffffb26ec5cc [ 2673.551169] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2673.577641] ffffffff00000010 ffff8800a24b7aa0 ffff8800a24b7a50 ffffffffb363c3e0 [ 2673.603392] Call Trace: [ 2673.609937] [] dump_stack+0xd7/0x132 [ 2673.625740] [] ? arch_local_irq_restore+0x1b/0x1b [ 2673.649761] [] ubsan_epilogue+0x12/0x53 [ 2673.668174] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2673.696191] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2673.721145] [] ? clear_buddies+0x1ee/0x2ec [ 2673.739169] [] ? pick_next_entity+0x250/0x25f [ 2673.761772] [] pick_next_task_fair+0x1c6/0xb60 [ 2673.781187] [] ? load_balance+0x1841/0x1841 [ 2673.803095] [] ? hrtick_update+0x48/0xeb [ 2673.820570] [] ? dequeue_task_fair+0x277/0x2a5 [ 2673.842207] [] pick_next_task+0xae/0x15c [ 2673.861702] [] __schedule+0x54b/0x126c [ 2673.880104] [] ? io_schedule_timeout+0x33d/0x33d [ 2673.904472] [] ? __list_add+0x211/0x249 [ 2673.922483] [] ? assoc_array_gc+0x12e7/0x12e7 [ 2673.943523] [] ? create_worker+0x528/0x528 [ 2673.964335] [] schedule+0x162/0x1a3 [ 2673.979471] [] worker_thread+0x797/0x857 [ 2673.997310] [] kthread+0x1f7/0x20b [ 2674.013392] [] ? rescuer_thread+0x91f/0x91f [ 2674.031390] [] ? init_completion+0x48/0x48 [ 2674.050310] [] ret_from_fork+0x1f/0x40 [ 2674.068481] [] ? init_completion+0x48/0x48 [ 2674.085593] ================================================================================ [ 2674.115496] ================================================================================ [ 2674.144174] UBSAN: Undefined behaviour in kernel/sched/fair.c:324:8 [ 2674.165360] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2674.195718] which requires 64 byte alignment [ 2674.210233] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2674.237240] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2674.270999] 00000000ffffffff 0000000054e9053f ffff8800a24b7a78 ffffffffb26ec5cc [ 2674.295328] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2674.319991] 0000000000000010 ffff8800a24b7aa0 ffff8800a24b7a50 ffffffffb363c3e0 [ 2674.344082] Call Trace: [ 2674.354282] [] dump_stack+0xd7/0x132 [ 2674.370375] [] ? arch_local_irq_restore+0x1b/0x1b [ 2674.394725] [] ubsan_epilogue+0x12/0x53 [ 2674.438233] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2674.461081] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2674.487289] [] pick_next_task_fair+0x216/0xb60 [ 2674.509553] [] ? load_balance+0x1841/0x1841 [ 2674.527360] [] ? hrtick_update+0x48/0xeb [ 2674.549776] [] ? dequeue_task_fair+0x277/0x2a5 [ 2674.590828] [] pick_next_task+0xae/0x15c [ 2674.606925] [] __schedule+0x54b/0x126c [ 2674.625916] [] ? io_schedule_timeout+0x33d/0x33d [ 2674.650759] [] ? __list_add+0x211/0x249 [ 2674.671977] [] ? assoc_array_gc+0x12e7/0x12e7 [ 2674.693427] [] ? create_worker+0x528/0x528 [ 2674.713428] [] schedule+0x162/0x1a3 [ 2674.727116] [] worker_thread+0x797/0x857 [ 2674.746398] [] kthread+0x1f7/0x20b [ 2674.760371] [] ? rescuer_thread+0x91f/0x91f [ 2674.778270] [] ? init_completion+0x48/0x48 [ 2674.795043] [] ret_from_fork+0x1f/0x40 [ 2674.812840] [] ? init_completion+0x48/0x48 [ 2674.830437] ================================================================================ [ 2674.861171] ================================================================================ [ 2674.892220] UBSAN: Undefined behaviour in kernel/sched/fair.c:325:12 [ 2674.914092] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2674.947832] which requires 64 byte alignment [ 2674.966195] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2674.995554] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2675.039899] 00000000ffffffff 0000000054e9053f ffff8800a24b7a78 ffffffffb26ec5cc [ 2675.076523] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2675.109266] 0000000000000010 ffff8800a24b7aa0 ffff8800a24b7a50 ffffffffb363c3e0 [ 2675.136052] Call Trace: [ 2675.143336] [] dump_stack+0xd7/0x132 [ 2675.163299] [] ? arch_local_irq_restore+0x1b/0x1b [ 2675.189442] [] ubsan_epilogue+0x12/0x53 [ 2675.206401] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2675.233400] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2675.259340] [] pick_next_task_fair+0x3a5/0xb60 [ 2675.282523] [] ? load_balance+0x1841/0x1841 [ 2675.304659] [] ? hrtick_update+0x48/0xeb [ 2675.327446] [] ? dequeue_task_fair+0x277/0x2a5 [ 2675.347741] [] pick_next_task+0xae/0x15c [ 2675.373269] [] __schedule+0x54b/0x126c [ 2675.395704] [] ? io_schedule_timeout+0x33d/0x33d [ 2675.421072] [] ? __list_add+0x211/0x249 [ 2675.445763] [] ? assoc_array_gc+0x12e7/0x12e7 [ 2675.471841] [] ? create_worker+0x528/0x528 [ 2675.502101] [] schedule+0x162/0x1a3 [ 2675.524490] [] worker_thread+0x797/0x857 [ 2675.546940] [] kthread+0x1f7/0x20b [ 2675.565844] [] ? rescuer_thread+0x91f/0x91f [ 2675.585757] [] ? init_completion+0x48/0x48 [ 2675.603805] [] ret_from_fork+0x1f/0x40 [ 2675.626394] [] ? init_completion+0x48/0x48 [ 2675.670294] ================================================================================ [ 2675.740219] ================================================================================ [ 2675.774858] UBSAN: Undefined behaviour in kernel/sched/fair.c:324:8 [ 2675.797126] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2675.830755] which requires 64 byte alignment [ 2675.849555] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2675.874926] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2675.910408] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07b20 ffffffffb26ec5cc [ 2675.952879] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2676.018866] ffffffff00000010 ffff8800a3d07b48 ffff8800a3d07af8 ffffffffb363c3e0 [ 2676.070235] Call Trace: [ 2676.090904] [] dump_stack+0xd7/0x132 [ 2676.132765] [] ? arch_local_irq_restore+0x1b/0x1b [ 2676.182936] [] ubsan_epilogue+0x12/0x53 [ 2676.242455] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2676.297459] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2676.358156] [] check_preempt_wakeup+0x529/0x7d1 [ 2676.415543] [] ? dequeue_task_fair+0x2a5/0x2a5 [ 2676.474112] [] check_preempt_curr+0x122/0x2c3 [ 2676.518137] [] ttwu_do_wakeup+0x1d/0x306 [ 2676.559674] [] ttwu_do_activate+0x14f/0x158 [ 2676.612039] [] try_to_wake_up+0x5db/0x65a [ 2676.676339] [] ? cpus_share_cache+0x125/0x125 [ 2676.749864] [] ? internal_add_timer+0x8f/0x8f [ 2676.820994] [] ? timekeeping_delta_to_ns+0x97/0xa6 [ 2676.875335] [] ? note_gp_changes+0x244/0x244 [ 2676.921107] [] ? native_apic_msr_write+0x29/0x2b [ 2676.965575] [] ? apic_write+0x53/0x5a [ 2677.004772] [] wake_up_process+0x15/0x17 [ 2677.040191] [] wakeup_softirqd+0x43/0x46 [ 2677.083465] [] __do_softirq+0x34e/0x59e [ 2677.117910] [] irq_exit+0x65/0xd6 [ 2677.152484] [] smp_apic_timer_interrupt+0x33/0x3e [ 2677.202976] [] apic_timer_interrupt+0x82/0x90 [ 2677.242496] [] ? core_kernel_text+0x2b/0x56 [ 2677.285983] [] ? __module_address+0xb/0x1ec [ 2677.323849] [] __module_text_address+0x16/0xfb [ 2677.364558] [] is_module_text_address+0xe/0x16 [ 2677.410134] [] __kernel_text_address+0x2b/0x55 [ 2677.467445] [] print_context_stack+0x109/0x1c7 [ 2677.509228] [] dump_trace+0x656/0x682 [ 2677.561577] [] ? kasan_kmalloc+0x94/0xa3 [ 2677.598240] [] save_stack_trace+0x31/0xf1 [ 2677.641530] [] save_stack+0x46/0xce [ 2677.677260] [] ? save_stack_trace+0x31/0xf1 [ 2677.720119] [] ? save_stack+0x46/0xce [ 2677.759968] [] ? kasan_kmalloc+0x94/0xa3 [ 2677.792606] [] ? kasan_slab_alloc+0x12/0x14 [ 2677.836484] [] ? slab_post_alloc_hook+0x97/0xb7 [ 2677.876221] [] ? kmem_cache_alloc+0x20f/0x33f [ 2677.918787] [] ? __d_alloc+0xa3/0x7bc [ 2677.948280] [] ? d_alloc+0x4b/0x18f [ 2677.984569] [] ? d_alloc_parallel+0x12e/0x884 [ 2678.021948] [] ? deactivate_slab+0x527/0x566 [ 2678.062737] [] ? deactivate_slab+0x53d/0x566 [ 2678.105080] [] ? __d_alloc+0xa3/0x7bc [ 2678.146623] [] ? init_object+0x1d6/0x1e2 [ 2678.199162] [] ? __d_alloc+0xa3/0x7bc [ 2678.262021] [] ? ___slab_alloc+0xb72/0xbd2 [ 2678.330246] [] ? ___slab_alloc+0xb72/0xbd2 [ 2678.394803] [] ? __d_alloc+0xa3/0x7bc [ 2678.472342] [] ? kasan_poison_shadow+0x2f/0x31 [ 2678.538753] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2678.589129] [] kasan_kmalloc+0x94/0xa3 [ 2678.630738] [] kasan_slab_alloc+0x12/0x14 [ 2678.672108] [] slab_post_alloc_hook+0x97/0xb7 [ 2678.714900] [] kmem_cache_alloc+0x20f/0x33f [ 2678.753259] [] ? __d_alloc+0xa3/0x7bc [ 2678.794111] [] __d_alloc+0xa3/0x7bc [ 2678.842605] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2678.898542] [] ? simple_dname+0x181/0x181 [ 2678.950913] [] d_alloc+0x4b/0x18f [ 2678.990368] [] d_alloc_parallel+0x12e/0x884 [ 2679.038384] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2679.080278] [] ? d_splice_alias+0x53f/0x54e [ 2679.120038] [] ? down_read+0xc7/0x101 [ 2679.162596] [] ? down_write_killable+0xfb/0xfb [ 2679.204320] [] lookup_slow+0x13d/0x2e1 [ 2679.241788] [] ? d_lookup_done+0x63/0x63 [ 2679.281217] [] walk_component+0x191/0x35a [ 2679.319899] [] ? handle_dots.part.12+0x973/0x973 [ 2679.369018] [] ? kasan_poison_shadow+0x2f/0x31 [ 2679.411307] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2679.470470] [] ? security_inode_permission+0xd0/0xdd [ 2679.526569] [] ? __inode_permission+0x261/0x270 [ 2679.578651] [] link_path_walk+0x747/0xc5a [ 2679.630854] [] ? walk_component+0x35a/0x35a [ 2679.681571] [] ? nd_jump_root+0x27d/0x28d [ 2679.734790] [] ? path_init+0x93c/0x950 [ 2679.771100] [] path_openat+0x73a/0x2525 [ 2679.814586] [] ? save_stack_trace+0x31/0xf1 [ 2679.862617] [] ? kasan_slab_alloc+0x12/0x14 [ 2679.909177] [] ? slab_post_alloc_hook+0x97/0xb7 [ 2679.959898] [] ? kmem_cache_alloc+0x20f/0x33f [ 2680.003900] [] ? getname_flags+0x4f/0x2e0 [ 2680.058309] [] ? getname+0x20/0x22 [ 2680.099934] [] ? do_sys_open+0xb2/0x342 [ 2680.156807] [] ? SyS_open+0x32/0x39 [ 2680.211727] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2680.270092] [] ? may_open+0x1c0/0x1c0 [ 2680.371105] [] ? deactivate_slab+0x53d/0x566 [ 2680.464759] [] ? getname_flags+0x4f/0x2e0 [ 2680.518432] [] ? init_object+0x1d6/0x1e2 [ 2680.555218] [] ? expand_files+0x68a/0x6d7 [ 2680.593950] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2680.644153] [] do_filp_open+0xe2/0x18c [ 2680.680045] [] ? path_openat+0x2525/0x2525 [ 2680.719491] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2680.767261] [] ? __alloc_fd+0x43d/0x47f [ 2680.806187] [] ? exit_files+0xaa/0xaa [ 2680.840593] [] do_sys_open+0xf5/0x342 [ 2680.882813] [] ? do_sys_open+0xf5/0x342 [ 2680.920007] [] ? __do_page_fault+0x6d3/0x96b [ 2680.954927] [] ? filp_open+0x68/0x68 [ 2680.986494] [] SyS_open+0x32/0x39 [ 2681.019600] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2681.061686] ================================================================================ [ 2681.120224] ================================================================================ [ 2681.177764] UBSAN: Undefined behaviour in kernel/sched/fair.c:325:12 [ 2681.222795] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2681.291242] which requires 64 byte alignment [ 2681.320277] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2681.363425] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2681.423739] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07b20 ffffffffb26ec5cc [ 2681.478816] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2681.530169] ffffffff00000010 ffff8800a3d07b48 ffff8800a3d07af8 ffffffffb363c3e0 [ 2681.576986] Call Trace: [ 2681.595974] [] dump_stack+0xd7/0x132 [ 2681.632360] [] ? arch_local_irq_restore+0x1b/0x1b [ 2681.677288] [] ubsan_epilogue+0x12/0x53 [ 2681.712586] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2681.763765] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2681.806390] [] check_preempt_wakeup+0x581/0x7d1 [ 2681.842766] [] ? dequeue_task_fair+0x2a5/0x2a5 [ 2681.887025] [] check_preempt_curr+0x122/0x2c3 [ 2681.923116] [] ttwu_do_wakeup+0x1d/0x306 [ 2681.963562] [] ttwu_do_activate+0x14f/0x158 [ 2681.998870] [] try_to_wake_up+0x5db/0x65a [ 2682.039217] [] ? cpus_share_cache+0x125/0x125 [ 2682.075794] [] ? internal_add_timer+0x8f/0x8f [ 2682.115920] [] ? timekeeping_delta_to_ns+0x97/0xa6 [ 2682.155835] [] ? note_gp_changes+0x244/0x244 [ 2682.193717] [] ? native_apic_msr_write+0x29/0x2b [ 2682.236768] [] ? apic_write+0x53/0x5a [ 2682.271575] [] wake_up_process+0x15/0x17 [ 2682.306313] [] wakeup_softirqd+0x43/0x46 [ 2682.342691] [] __do_softirq+0x34e/0x59e [ 2682.381071] [] irq_exit+0x65/0xd6 [ 2682.409083] [] smp_apic_timer_interrupt+0x33/0x3e [ 2682.451539] [] apic_timer_interrupt+0x82/0x90 [ 2682.490300] [] ? core_kernel_text+0x2b/0x56 [ 2682.535952] [] ? __module_address+0xb/0x1ec [ 2682.571689] [] __module_text_address+0x16/0xfb [ 2682.610949] [] is_module_text_address+0xe/0x16 [ 2682.655456] [] __kernel_text_address+0x2b/0x55 [ 2682.693044] [] print_context_stack+0x109/0x1c7 [ 2682.734922] [] dump_trace+0x656/0x682 [ 2682.775823] [] ? kasan_kmalloc+0x94/0xa3 [ 2682.813137] [] save_stack_trace+0x31/0xf1 [ 2682.852141] [] save_stack+0x46/0xce [ 2682.886750] [] ? save_stack_trace+0x31/0xf1 [ 2682.919285] [] ? save_stack+0x46/0xce [ 2682.955138] [] ? kasan_kmalloc+0x94/0xa3 [ 2682.994849] [] ? kasan_slab_alloc+0x12/0x14 [ 2683.034588] [] ? slab_post_alloc_hook+0x97/0xb7 [ 2683.068882] [] ? kmem_cache_alloc+0x20f/0x33f [ 2683.108461] [] ? __d_alloc+0xa3/0x7bc [ 2683.144639] [] ? d_alloc+0x4b/0x18f [ 2683.178395] [] ? d_alloc_parallel+0x12e/0x884 [ 2683.218924] [] ? deactivate_slab+0x527/0x566 [ 2683.257384] [] ? deactivate_slab+0x53d/0x566 [ 2683.298529] [] ? __d_alloc+0xa3/0x7bc [ 2683.331382] [] ? init_object+0x1d6/0x1e2 [ 2683.363338] [] ? __d_alloc+0xa3/0x7bc [ 2683.403733] [] ? ___slab_alloc+0xb72/0xbd2 [ 2683.443375] [] ? ___slab_alloc+0xb72/0xbd2 [ 2683.483007] [] ? __d_alloc+0xa3/0x7bc [ 2683.514590] [] ? kasan_poison_shadow+0x2f/0x31 [ 2683.548414] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2683.594935] [] kasan_kmalloc+0x94/0xa3 [ 2683.627267] [] kasan_slab_alloc+0x12/0x14 [ 2683.663508] [] slab_post_alloc_hook+0x97/0xb7 [ 2683.699664] [] kmem_cache_alloc+0x20f/0x33f [ 2683.734810] [] ? __d_alloc+0xa3/0x7bc [ 2683.772130] [] __d_alloc+0xa3/0x7bc [ 2683.805166] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2683.850737] [] ? simple_dname+0x181/0x181 [ 2683.882862] [] d_alloc+0x4b/0x18f [ 2683.915982] [] d_alloc_parallel+0x12e/0x884 [ 2683.956229] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2683.995255] [] ? d_splice_alias+0x53f/0x54e [ 2684.028915] [] ? down_read+0xc7/0x101 [ 2684.062103] [] ? down_write_killable+0xfb/0xfb [ 2684.104779] [] lookup_slow+0x13d/0x2e1 [ 2684.144586] [] ? d_lookup_done+0x63/0x63 [ 2684.177608] [] walk_component+0x191/0x35a [ 2684.217491] [] ? handle_dots.part.12+0x973/0x973 [ 2684.260459] [] ? kasan_poison_shadow+0x2f/0x31 [ 2684.300001] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2684.339378] [] ? security_inode_permission+0xd0/0xdd [ 2684.387694] [] ? __inode_permission+0x261/0x270 [ 2684.427559] [] link_path_walk+0x747/0xc5a [ 2684.461834] [] ? walk_component+0x35a/0x35a [ 2684.507129] [] ? nd_jump_root+0x27d/0x28d [ 2684.552745] [] ? path_init+0x93c/0x950 [ 2684.580011] [] path_openat+0x73a/0x2525 [ 2684.618808] [] ? save_stack_trace+0x31/0xf1 [ 2684.654234] [] ? kasan_slab_alloc+0x12/0x14 [ 2684.698080] [] ? slab_post_alloc_hook+0x97/0xb7 [ 2684.739962] [] ? kmem_cache_alloc+0x20f/0x33f [ 2684.776768] [] ? getname_flags+0x4f/0x2e0 [ 2684.811803] [] ? getname+0x20/0x22 [ 2684.843381] [] ? do_sys_open+0xb2/0x342 [ 2684.878090] [] ? SyS_open+0x32/0x39 [ 2684.914301] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2684.953073] [] ? may_open+0x1c0/0x1c0 [ 2684.989297] [] ? deactivate_slab+0x53d/0x566 [ 2685.029666] [] ? getname_flags+0x4f/0x2e0 [ 2685.069173] [] ? init_object+0x1d6/0x1e2 [ 2685.101082] [] ? expand_files+0x68a/0x6d7 [ 2685.138822] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2685.183327] [] do_filp_open+0xe2/0x18c [ 2685.218681] [] ? path_openat+0x2525/0x2525 [ 2685.250574] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2685.290908] [] ? __alloc_fd+0x43d/0x47f [ 2685.336115] [] ? exit_files+0xaa/0xaa [ 2685.370333] [] do_sys_open+0xf5/0x342 [ 2685.402435] [] ? do_sys_open+0xf5/0x342 [ 2685.438376] [] ? __do_page_fault+0x6d3/0x96b [ 2685.475441] [] ? filp_open+0x68/0x68 [ 2685.513529] [] SyS_open+0x32/0x39 [ 2685.541169] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2685.584093] ================================================================================ [ 2685.639302] ================================================================================ [ 2685.708545] UBSAN: Undefined behaviour in kernel/sched/fair.c:277:11 [ 2685.746250] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2685.806080] which requires 64 byte alignment [ 2685.831088] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2685.867849] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2685.924379] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07b20 ffffffffb26ec5cc [ 2685.974457] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2686.023343] ffffffff00000010 ffff8800a3d07b48 ffff8800a3d07af8 ffffffffb363c3e0 [ 2686.070105] Call Trace: [ 2686.082384] [] dump_stack+0xd7/0x132 [ 2686.125141] [] ? arch_local_irq_restore+0x1b/0x1b [ 2686.168999] [] ubsan_epilogue+0x12/0x53 [ 2686.204535] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2686.251723] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2686.293893] [] check_preempt_wakeup+0x5a9/0x7d1 [ 2686.334086] [] ? dequeue_task_fair+0x2a5/0x2a5 [ 2686.368404] [] check_preempt_curr+0x122/0x2c3 [ 2686.409045] [] ttwu_do_wakeup+0x1d/0x306 [ 2686.444263] [] ttwu_do_activate+0x14f/0x158 [ 2686.484001] [] try_to_wake_up+0x5db/0x65a [ 2686.516701] [] ? cpus_share_cache+0x125/0x125 [ 2686.551916] [] ? internal_add_timer+0x8f/0x8f [ 2686.594729] [] ? timekeeping_delta_to_ns+0x97/0xa6 [ 2686.638244] [] ? note_gp_changes+0x244/0x244 [ 2686.676637] [] ? native_apic_msr_write+0x29/0x2b [ 2686.716632] [] ? apic_write+0x53/0x5a [ 2686.751836] [] wake_up_process+0x15/0x17 [ 2686.790415] [] wakeup_softirqd+0x43/0x46 [ 2686.825090] [] __do_softirq+0x34e/0x59e [ 2686.859047] [] irq_exit+0x65/0xd6 [ 2686.887407] [] smp_apic_timer_interrupt+0x33/0x3e [ 2686.929554] [] apic_timer_interrupt+0x82/0x90 [ 2686.964461] [] ? core_kernel_text+0x2b/0x56 [ 2687.008161] [] ? __module_address+0xb/0x1ec [ 2687.041509] [] __module_text_address+0x16/0xfb [ 2687.077748] [] is_module_text_address+0xe/0x16 [ 2687.123836] [] __kernel_text_address+0x2b/0x55 [ 2687.154859] [] print_context_stack+0x109/0x1c7 [ 2687.195386] [] dump_trace+0x656/0x682 [ 2687.229108] [] ? kasan_kmalloc+0x94/0xa3 [ 2687.266782] [] save_stack_trace+0x31/0xf1 [ 2687.302161] [] save_stack+0x46/0xce [ 2687.338768] [] ? save_stack_trace+0x31/0xf1 [ 2687.372631] [] ? save_stack+0x46/0xce [ 2687.410996] [] ? kasan_kmalloc+0x94/0xa3 [ 2687.440855] [] ? kasan_slab_alloc+0x12/0x14 [ 2687.479357] [] ? slab_post_alloc_hook+0x97/0xb7 [ 2687.513634] [] ? kmem_cache_alloc+0x20f/0x33f [ 2687.560512] [] ? __d_alloc+0xa3/0x7bc [ 2687.595649] [] ? d_alloc+0x4b/0x18f [ 2687.631538] [] ? d_alloc_parallel+0x12e/0x884 [ 2687.669459] [] ? deactivate_slab+0x527/0x566 [ 2687.706105] [] ? deactivate_slab+0x53d/0x566 [ 2687.740516] [] ? __d_alloc+0xa3/0x7bc [ 2687.773986] [] ? init_object+0x1d6/0x1e2 [ 2687.815962] [] ? __d_alloc+0xa3/0x7bc [ 2687.848189] [] ? ___slab_alloc+0xb72/0xbd2 [ 2687.882827] [] ? ___slab_alloc+0xb72/0xbd2 [ 2687.918975] [] ? __d_alloc+0xa3/0x7bc [ 2687.950314] [] ? kasan_poison_shadow+0x2f/0x31 [ 2687.995448] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2688.033325] [] kasan_kmalloc+0x94/0xa3 [ 2688.066207] [] kasan_slab_alloc+0x12/0x14 [ 2688.098806] [] slab_post_alloc_hook+0x97/0xb7 [ 2688.138096] [] kmem_cache_alloc+0x20f/0x33f [ 2688.179937] [] ? __d_alloc+0xa3/0x7bc [ 2688.212891] [] __d_alloc+0xa3/0x7bc [ 2688.246714] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2688.290679] [] ? simple_dname+0x181/0x181 [ 2688.321211] [] d_alloc+0x4b/0x18f [ 2688.355324] [] d_alloc_parallel+0x12e/0x884 [ 2688.392609] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2688.426321] [] ? d_splice_alias+0x53f/0x54e [ 2688.460331] [] ? down_read+0xc7/0x101 [ 2688.494433] [] ? down_write_killable+0xfb/0xfb [ 2688.532902] [] lookup_slow+0x13d/0x2e1 [ 2688.574454] [] ? d_lookup_done+0x63/0x63 [ 2688.611225] [] walk_component+0x191/0x35a [ 2688.644499] [] ? handle_dots.part.12+0x973/0x973 [ 2688.683901] [] ? kasan_poison_shadow+0x2f/0x31 [ 2688.723107] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2688.763137] [] ? security_inode_permission+0xd0/0xdd [ 2688.803144] [] ? __inode_permission+0x261/0x270 [ 2688.842361] [] link_path_walk+0x747/0xc5a [ 2688.877709] [] ? walk_component+0x35a/0x35a [ 2688.910941] [] ? nd_jump_root+0x27d/0x28d [ 2688.946982] [] ? path_init+0x93c/0x950 [ 2688.977245] [] path_openat+0x73a/0x2525 [ 2689.016736] [] ? save_stack_trace+0x31/0xf1 [ 2689.056722] [] ? kasan_slab_alloc+0x12/0x14 [ 2689.091571] [] ? slab_post_alloc_hook+0x97/0xb7 [ 2689.124933] [] ? kmem_cache_alloc+0x20f/0x33f [ 2689.162812] [] ? getname_flags+0x4f/0x2e0 [ 2689.197915] [] ? getname+0x20/0x22 [ 2689.228959] [] ? do_sys_open+0xb2/0x342 [ 2689.267787] [] ? SyS_open+0x32/0x39 [ 2689.300053] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2689.346662] [] ? may_open+0x1c0/0x1c0 [ 2689.380668] [] ? deactivate_slab+0x53d/0x566 [ 2689.420966] [] ? getname_flags+0x4f/0x2e0 [ 2689.464061] [] ? init_object+0x1d6/0x1e2 [ 2689.519308] [] ? expand_files+0x68a/0x6d7 [ 2689.578995] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2689.643875] [] do_filp_open+0xe2/0x18c [ 2689.699709] [] ? path_openat+0x2525/0x2525 [ 2689.761979] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2689.818581] [] ? __alloc_fd+0x43d/0x47f [ 2689.878876] [] ? exit_files+0xaa/0xaa [ 2689.934022] [] do_sys_open+0xf5/0x342 [ 2689.991330] [] ? do_sys_open+0xf5/0x342 [ 2690.048494] [] ? __do_page_fault+0x6d3/0x96b [ 2690.108683] [] ? filp_open+0x68/0x68 [ 2690.164021] [] SyS_open+0x32/0x39 [ 2690.206176] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2690.269220] ================================================================================ [ 2690.360205] ================================================================================ [ 2690.439801] UBSAN: Undefined behaviour in kernel/sched/fair.c:5574:24 [ 2690.510368] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2690.595452] which requires 64 byte alignment [ 2690.632779] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2690.700251] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2690.798310] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07af8 ffffffffb26ec5cc [ 2690.883223] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2690.953099] ffff880000000010 ffff8800a3d07b20 ffff8800a3d07ad0 ffffffffb363c3e0 [ 2691.035487] Call Trace: [ 2691.057092] [] dump_stack+0xd7/0x132 [ 2691.123247] [] ? arch_local_irq_restore+0x1b/0x1b [ 2691.187010] [] ubsan_epilogue+0x12/0x53 [ 2691.243436] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2691.314385] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2691.392074] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2691.464012] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2691.529772] [] wakeup_preempt_entity+0x2e/0xbf [ 2691.589645] [] check_preempt_wakeup+0x5d3/0x7d1 [ 2691.643044] [] ? dequeue_task_fair+0x2a5/0x2a5 [ 2691.698879] [] check_preempt_curr+0x122/0x2c3 [ 2691.770216] [] ttwu_do_wakeup+0x1d/0x306 [ 2691.831057] [] ttwu_do_activate+0x14f/0x158 [ 2691.883135] [] try_to_wake_up+0x5db/0x65a [ 2691.938193] [] ? cpus_share_cache+0x125/0x125 [ 2691.997651] [] ? internal_add_timer+0x8f/0x8f [ 2692.055795] [] ? timekeeping_delta_to_ns+0x97/0xa6 [ 2692.126713] [] ? note_gp_changes+0x244/0x244 [ 2692.182303] [] ? native_apic_msr_write+0x29/0x2b [ 2692.246652] [] ? apic_write+0x53/0x5a [ 2692.298298] [] wake_up_process+0x15/0x17 [ 2692.350623] [] wakeup_softirqd+0x43/0x46 [ 2692.399639] [] __do_softirq+0x34e/0x59e [ 2692.454006] [] irq_exit+0x65/0xd6 [ 2692.507627] [] smp_apic_timer_interrupt+0x33/0x3e [ 2692.564998] [] apic_timer_interrupt+0x82/0x90 [ 2692.623884] [] ? core_kernel_text+0x2b/0x56 [ 2692.689223] [] ? __module_address+0xb/0x1ec [ 2692.734795] [] __module_text_address+0x16/0xfb [ 2692.804665] [] is_module_text_address+0xe/0x16 [ 2692.860272] [] __kernel_text_address+0x2b/0x55 [ 2692.918256] [] print_context_stack+0x109/0x1c7 [ 2692.981637] [] dump_trace+0x656/0x682 [ 2693.038202] [] ? kasan_kmalloc+0x94/0xa3 [ 2693.096321] [] save_stack_trace+0x31/0xf1 [ 2693.147105] [] save_stack+0x46/0xce [ 2693.196046] [] ? save_stack_trace+0x31/0xf1 [ 2693.251369] [] ? save_stack+0x46/0xce [ 2693.300402] [] ? kasan_kmalloc+0x94/0xa3 [ 2693.353082] [] ? kasan_slab_alloc+0x12/0x14 [ 2693.418855] [] ? slab_post_alloc_hook+0x97/0xb7 [ 2693.485038] [] ? kmem_cache_alloc+0x20f/0x33f [ 2693.541616] [] ? __d_alloc+0xa3/0x7bc [ 2693.592216] [] ? d_alloc+0x4b/0x18f [ 2693.640660] [] ? d_alloc_parallel+0x12e/0x884 [ 2693.699772] [] ? deactivate_slab+0x527/0x566 [ 2693.765439] [] ? deactivate_slab+0x53d/0x566 [ 2693.824575] [] ? __d_alloc+0xa3/0x7bc [ 2693.877248] [] ? init_object+0x1d6/0x1e2 [ 2693.932654] [] ? __d_alloc+0xa3/0x7bc [ 2693.986413] [] ? ___slab_alloc+0xb72/0xbd2 [ 2694.043051] [] ? ___slab_alloc+0xb72/0xbd2 [ 2694.104427] [] ? __d_alloc+0xa3/0x7bc [ 2694.161140] [] ? kasan_poison_shadow+0x2f/0x31 [ 2694.218536] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2694.282347] [] kasan_kmalloc+0x94/0xa3 [ 2694.332011] [] kasan_slab_alloc+0x12/0x14 [ 2694.390418] [] slab_post_alloc_hook+0x97/0xb7 [ 2694.469211] [] kmem_cache_alloc+0x20f/0x33f [ 2694.543629] [] ? __d_alloc+0xa3/0x7bc [ 2694.608800] [] __d_alloc+0xa3/0x7bc [ 2694.693632] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2694.794022] [] ? simple_dname+0x181/0x181 [ 2694.882648] [] d_alloc+0x4b/0x18f [ 2694.942535] [] d_alloc_parallel+0x12e/0x884 [ 2695.001038] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2695.053576] [] ? d_splice_alias+0x53f/0x54e [ 2695.112672] [] ? down_read+0xc7/0x101 [ 2695.160381] [] ? down_write_killable+0xfb/0xfb [ 2695.216350] [] lookup_slow+0x13d/0x2e1 [ 2695.271510] [] ? d_lookup_done+0x63/0x63 [ 2695.328497] [] walk_component+0x191/0x35a [ 2695.386285] [] ? handle_dots.part.12+0x973/0x973 [ 2695.447018] [] ? kasan_poison_shadow+0x2f/0x31 [ 2695.511567] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2695.573717] [] ? security_inode_permission+0xd0/0xdd [ 2695.635417] [] ? __inode_permission+0x261/0x270 [ 2695.691762] [] link_path_walk+0x747/0xc5a [ 2695.739908] [] ? walk_component+0x35a/0x35a [ 2695.806469] [] ? nd_jump_root+0x27d/0x28d [ 2695.866935] [] ? path_init+0x93c/0x950 [ 2695.920088] [] path_openat+0x73a/0x2525 [ 2695.970618] [] ? save_stack_trace+0x31/0xf1 [ 2696.033189] [] ? kasan_slab_alloc+0x12/0x14 [ 2696.095796] [] ? slab_post_alloc_hook+0x97/0xb7 [ 2696.162390] [] ? kmem_cache_alloc+0x20f/0x33f [ 2696.210460] [] ? getname_flags+0x4f/0x2e0 [ 2696.270306] [] ? getname+0x20/0x22 [ 2696.318682] [] ? do_sys_open+0xb2/0x342 [ 2696.374089] [] ? SyS_open+0x32/0x39 [ 2696.430242] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2696.487040] [] ? may_open+0x1c0/0x1c0 [ 2696.538076] [] ? deactivate_slab+0x53d/0x566 [ 2696.592761] [] ? getname_flags+0x4f/0x2e0 [ 2696.650544] [] ? init_object+0x1d6/0x1e2 [ 2696.701435] [] ? expand_files+0x68a/0x6d7 [ 2696.758578] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2696.830133] [] do_filp_open+0xe2/0x18c [ 2696.887457] [] ? path_openat+0x2525/0x2525 [ 2696.948139] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2697.010722] [] ? __alloc_fd+0x43d/0x47f [ 2697.062170] [] ? exit_files+0xaa/0xaa [ 2697.115747] [] do_sys_open+0xf5/0x342 [ 2697.166277] [] ? do_sys_open+0xf5/0x342 [ 2697.219229] [] ? __do_page_fault+0x6d3/0x96b [ 2697.290203] [] ? filp_open+0x68/0x68 [ 2697.333225] [] SyS_open+0x32/0x39 [ 2697.375405] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2697.445163] ================================================================================ [ 2697.530367] ================================================================================ [ 2697.611699] UBSAN: Undefined behaviour in kernel/sched/fair.c:5689:6 [ 2697.675691] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2697.761220] which requires 64 byte alignment [ 2697.806517] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2697.878406] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2697.968796] 00000000ffffffff 00000000b1a89c60 ffff8800a3d07b20 ffffffffb26ec5cc [ 2698.046582] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2698.119224] 0000000000000010 ffff8800a3d07b48 ffff8800a3d07af8 ffffffffb363c3e0 [ 2698.193308] Call Trace: [ 2698.219141] [] dump_stack+0xd7/0x132 [ 2698.280013] [] ? arch_local_irq_restore+0x1b/0x1b [ 2698.339989] [] ubsan_epilogue+0x12/0x53 [ 2698.392053] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2698.462299] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2698.536899] [] ? task_of+0x30/0x7e [ 2698.582912] [] check_preempt_wakeup+0x612/0x7d1 [ 2698.638580] [] ? dequeue_task_fair+0x2a5/0x2a5 [ 2698.698578] [] check_preempt_curr+0x122/0x2c3 [ 2698.751040] [] ttwu_do_wakeup+0x1d/0x306 [ 2698.803137] [] ttwu_do_activate+0x14f/0x158 [ 2698.862281] [] try_to_wake_up+0x5db/0x65a [ 2698.914240] [] ? cpus_share_cache+0x125/0x125 [ 2698.971757] [] ? internal_add_timer+0x8f/0x8f [ 2699.029111] [] ? timekeeping_delta_to_ns+0x97/0xa6 [ 2699.082986] [] ? note_gp_changes+0x244/0x244 [ 2699.139055] [] ? native_apic_msr_write+0x29/0x2b [ 2699.206754] [] ? apic_write+0x53/0x5a [ 2699.256764] [] wake_up_process+0x15/0x17 [ 2699.318538] [] wakeup_softirqd+0x43/0x46 [ 2699.380532] [] __do_softirq+0x34e/0x59e [ 2699.435435] [] irq_exit+0x65/0xd6 [ 2699.475063] [] smp_apic_timer_interrupt+0x33/0x3e [ 2699.531799] [] apic_timer_interrupt+0x82/0x90 [ 2699.591380] [] ? core_kernel_text+0x2b/0x56 [ 2699.662311] [] ? __module_address+0xb/0x1ec [ 2699.735058] [] __module_text_address+0x16/0xfb [ 2699.787679] [] is_module_text_address+0xe/0x16 [ 2699.850597] [] __kernel_text_address+0x2b/0x55 [ 2699.908927] [] print_context_stack+0x109/0x1c7 [ 2699.967741] [] dump_trace+0x656/0x682 [ 2700.019919] [] ? kasan_kmalloc+0x94/0xa3 [ 2700.070774] [] save_stack_trace+0x31/0xf1 [ 2700.127899] [] save_stack+0x46/0xce [ 2700.174531] [] ? save_stack_trace+0x31/0xf1 [ 2700.237599] [] ? save_stack+0x46/0xce [ 2700.295785] [] ? kasan_kmalloc+0x94/0xa3 [ 2700.347804] [] ? kasan_slab_alloc+0x12/0x14 [ 2700.406285] [] ? slab_post_alloc_hook+0x97/0xb7 [ 2700.464764] [] ? kmem_cache_alloc+0x20f/0x33f [ 2700.530305] [] ? __d_alloc+0xa3/0x7bc [ 2700.576562] [] ? d_alloc+0x4b/0x18f [ 2700.634666] [] ? d_alloc_parallel+0x12e/0x884 [ 2700.695779] [] ? deactivate_slab+0x527/0x566 [ 2700.754574] [] ? deactivate_slab+0x53d/0x566 [ 2700.810129] [] ? __d_alloc+0xa3/0x7bc [ 2700.863691] [] ? init_object+0x1d6/0x1e2 [ 2700.920117] [] ? __d_alloc+0xa3/0x7bc [ 2700.973089] [] ? ___slab_alloc+0xb72/0xbd2 [ 2701.029742] [] ? ___slab_alloc+0xb72/0xbd2 [ 2701.086254] [] ? __d_alloc+0xa3/0x7bc [ 2701.143926] [] ? kasan_poison_shadow+0x2f/0x31 [ 2701.202405] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2701.263037] [] kasan_kmalloc+0x94/0xa3 [ 2701.324566] [] kasan_slab_alloc+0x12/0x14 [ 2701.375457] [] slab_post_alloc_hook+0x97/0xb7 [ 2701.438664] [] kmem_cache_alloc+0x20f/0x33f [ 2701.490517] [] ? __d_alloc+0xa3/0x7bc [ 2701.539505] [] __d_alloc+0xa3/0x7bc [ 2701.591314] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2701.654621] [] ? simple_dname+0x181/0x181 [ 2701.703470] [] d_alloc+0x4b/0x18f [ 2701.751392] [] d_alloc_parallel+0x12e/0x884 [ 2701.810597] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2701.870986] [] ? d_splice_alias+0x53f/0x54e [ 2701.922551] [] ? down_read+0xc7/0x101 [ 2701.983183] [] ? down_write_killable+0xfb/0xfb [ 2702.047598] [] lookup_slow+0x13d/0x2e1 [ 2702.090790] [] ? d_lookup_done+0x63/0x63 [ 2702.383026] [] walk_component+0x191/0x35a [ 2702.452051] [] ? handle_dots.part.12+0x973/0x973 [ 2702.531091] [] ? kasan_poison_shadow+0x2f/0x31 [ 2702.595704] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2702.670860] [] ? security_inode_permission+0xd0/0xdd [ 2702.738949] [] ? __inode_permission+0x261/0x270 [ 2702.810809] [] link_path_walk+0x747/0xc5a [ 2702.898133] [] ? walk_component+0x35a/0x35a [ 2702.980535] [] ? nd_jump_root+0x27d/0x28d [ 2703.048582] [] ? path_init+0x93c/0x950 [ 2703.130939] [] path_openat+0x73a/0x2525 [ 2703.288424] [] ? save_stack_trace+0x31/0xf1 [ 2703.357272] [] ? kasan_slab_alloc+0x12/0x14 [ 2703.422774] [] ? slab_post_alloc_hook+0x97/0xb7 [ 2703.491729] [] ? kmem_cache_alloc+0x20f/0x33f [ 2703.558684] [] ? getname_flags+0x4f/0x2e0 [ 2703.627920] [] ? getname+0x20/0x22 [ 2703.688454] [] ? do_sys_open+0xb2/0x342 [ 2703.743626] [] ? SyS_open+0x32/0x39 [ 2703.798455] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2703.878465] [] ? may_open+0x1c0/0x1c0 [ 2703.941241] [] ? deactivate_slab+0x53d/0x566 [ 2704.094533] [] ? getname_flags+0x4f/0x2e0 [ 2704.170936] [] ? init_object+0x1d6/0x1e2 [ 2704.226904] [] ? expand_files+0x68a/0x6d7 [ 2704.290246] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2704.371881] [] do_filp_open+0xe2/0x18c [ 2704.435433] [] ? path_openat+0x2525/0x2525 [ 2704.502021] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2704.572592] [] ? __alloc_fd+0x43d/0x47f [ 2704.670710] [] ? exit_files+0xaa/0xaa [ 2704.758980] [] do_sys_open+0xf5/0x342 [ 2704.818115] [] ? do_sys_open+0xf5/0x342 [ 2704.899319] [] ? __do_page_fault+0x6d3/0x96b [ 2704.984553] [] ? filp_open+0x68/0x68 [ 2705.058506] [] SyS_open+0x32/0x39 [ 2705.126569] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2705.220745] ================================================================================ [ 2705.340029] ================================================================================ [ 2705.390434] UBSAN: Undefined behaviour in kernel/sched/fair.c:4583:2 [ 2705.416523] member access within misaligned address ffff8800a2493230 for type 'struct sched_entity' [ 2705.454338] which requires 64 byte alignment [ 2705.472302] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2705.503513] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2705.541750] 00000000ffffffff 00000000b1a89c60 ffff88005c9deef8 ffffffffb26ec5cc [ 2705.569618] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2705.598866] ffff880000000010 ffff88005c9def20 ffff88005c9deed0 ffffffffb363c3e0 [ 2705.635673] Call Trace: [ 2705.647281] [] dump_stack+0xd7/0x132 [ 2705.673797] [] ? arch_local_irq_restore+0x1b/0x1b [ 2705.705328] [] ubsan_epilogue+0x12/0x53 [ 2705.734901] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2705.766630] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2705.801816] [] ? dequeue_entity+0x58d/0x77a [ 2705.834024] [] dequeue_task_fair+0x15d/0x2a5 [ 2705.857191] [] dequeue_task+0x1be/0x1c9 [ 2705.876819] [] deactivate_task+0xfb/0x104 [ 2705.898669] [] __schedule+0x464/0x126c [ 2705.918578] [] ? io_schedule_timeout+0x33d/0x33d [ 2705.941932] [] ? blk_queue_bio+0x65e/0x6a0 [ 2705.963442] [] ? blk_flush_plug_list+0x7ae/0x7ae [ 2705.988978] [] ? percpu_ref_put_many.constprop.59+0xcd/0x10f [ 2706.020999] [] ? bit_wait+0x2f/0x2f [ 2706.043705] [] schedule+0x162/0x1a3 [ 2706.071360] [] schedule_timeout+0x9a/0x203 [ 2706.096459] [] ? usleep_range+0xfe/0xfe [ 2706.122083] [] ? timekeeping_delta_to_ns+0x97/0xa6 [ 2706.153191] [] ? ktime_get+0x6b/0x8e [ 2706.174650] [] io_schedule_timeout+0x1ee/0x33d [ 2706.205843] [] ? io_schedule_timeout+0x1ee/0x33d [ 2706.231576] [] bit_wait_io+0x1b/0x39 [ 2706.253466] [] __wait_on_bit+0xbe/0x159 [ 2706.275505] [] ? bvec_alloc+0x315/0x315 [ 2706.299496] [] out_of_line_wait_on_bit+0xe3/0x114 [ 2706.326020] [] ? bit_wait+0x2f/0x2f [ 2706.347320] [] ? __wait_on_bit+0x159/0x159 [ 2706.381227] [] ? autoremove_wake_function+0x102/0x102 [ 2706.467344] [] __wait_on_buffer+0x5d/0x65 [ 2706.497259] [] ext4_find_entry+0xa8d/0x10af [ 2706.522641] [] ? ext4_search_dir+0x218/0x218 [ 2706.542214] [] ? __d_alloc+0x776/0x7bc [ 2706.560417] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2706.587104] [] ? simple_dname+0x181/0x181 [ 2706.606832] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2706.634816] [] ? d_alloc_parallel+0x837/0x884 [ 2706.656253] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2706.680612] [] ext4_lookup+0x1c1/0x504 [ 2706.709117] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2706.733507] [] lookup_slow+0x271/0x2e1 [ 2706.753784] [] ? d_lookup_done+0x63/0x63 [ 2706.773115] [] walk_component+0x191/0x35a [ 2706.800660] [] ? handle_dots.part.12+0x973/0x973 [ 2706.825263] [] ? kasan_poison_shadow+0x2f/0x31 [ 2706.852056] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2706.876252] [] ? security_inode_permission+0xd0/0xdd [ 2706.909773] [] ? __inode_permission+0x261/0x270 [ 2706.938890] [] link_path_walk+0x747/0xc5a [ 2706.963566] [] ? walk_component+0x35a/0x35a [ 2706.987335] [] ? nd_jump_root+0x27d/0x28d [ 2707.009634] [] ? path_init+0x93c/0x950 [ 2707.027147] [] path_openat+0x73a/0x2525 [ 2707.048284] [] ? save_stack_trace+0x31/0xf1 [ 2707.065675] [] ? kasan_slab_alloc+0x12/0x14 [ 2707.084751] [] ? slab_post_alloc_hook+0x97/0xb7 [ 2707.105657] [] ? kmem_cache_alloc+0x20f/0x33f [ 2707.124698] [] ? getname_flags+0x4f/0x2e0 [ 2707.142608] [] ? getname+0x20/0x22 [ 2707.160991] [] ? do_sys_open+0xb2/0x342 [ 2707.183465] [] ? SyS_open+0x32/0x39 [ 2707.204650] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2707.226141] [] ? may_open+0x1c0/0x1c0 [ 2707.244247] [] ? deactivate_slab+0x53d/0x566 [ 2707.268605] [] ? getname_flags+0x4f/0x2e0 [ 2707.287292] [] ? init_object+0x1d6/0x1e2 [ 2707.310500] [] ? expand_files+0x68a/0x6d7 [ 2707.334075] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2707.359324] [] do_filp_open+0xe2/0x18c [ 2707.376816] [] ? path_openat+0x2525/0x2525 [ 2707.401414] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2707.433949] [] ? __alloc_fd+0x43d/0x47f [ 2707.455262] [] ? exit_files+0xaa/0xaa [ 2707.476296] [] do_sys_open+0xf5/0x342 [ 2707.498245] [] ? do_sys_open+0xf5/0x342 [ 2707.523241] [] ? __do_page_fault+0x6d3/0x96b [ 2707.543984] [] ? filp_open+0x68/0x68 [ 2707.559231] [] SyS_open+0x32/0x39 [ 2707.576824] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2707.596657] ================================================================================ [ 2707.623006] ================================================================================ [ 2707.647109] UBSAN: Undefined behaviour in fs/namei.c:3132:8 [ 2707.662862] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2707.691139] which requires 64 byte alignment [ 2707.707326] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2707.727361] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2707.757080] 00000000ffffffff 00000000b1a89c60 ffff88005c9dfa08 ffffffffb26ec5cc [ 2707.780886] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2707.807892] ffffffff00000010 ffff88005c9dfa30 ffff88005c9df9e0 ffffffffb363c3e0 [ 2707.829947] Call Trace: [ 2707.839101] [] dump_stack+0xd7/0x132 [ 2707.856529] [] ? arch_local_irq_restore+0x1b/0x1b [ 2707.875238] [] ubsan_epilogue+0x12/0x53 [ 2707.893076] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2707.917468] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2707.938691] [] path_openat+0xfa4/0x2525 [ 2707.957502] [] ? qlink_to_cache+0x10/0x87 [ 2707.973700] [] ? may_open+0x1c0/0x1c0 [ 2707.988830] [] ? deactivate_slab+0x53d/0x566 [ 2708.007588] [] ? getname_flags+0x4f/0x2e0 [ 2708.022939] [] ? init_object+0x1d6/0x1e2 [ 2708.039159] [] ? expand_files+0x68a/0x6d7 [ 2708.055644] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2708.076465] [] do_filp_open+0xe2/0x18c [ 2708.094793] [] ? path_openat+0x2525/0x2525 [ 2708.117056] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2708.137713] [] ? exit_files+0xaa/0xaa [ 2708.156692] [] do_sys_open+0xf5/0x342 [ 2708.174311] [] ? do_sys_open+0xf5/0x342 [ 2708.192991] [] ? __do_page_fault+0x6d3/0x96b [ 2708.208722] [] ? filp_open+0x68/0x68 [ 2708.225800] [] SyS_open+0x32/0x39 [ 2708.238898] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2708.260743] ================================================================================ INIT: [ 2708.309480] ================================================================================ [ 2708.363098] UBSAN: Undefined behaviour in kernel/irq/spurious.c:391:7 [ 2708.403983] member access within misaligned address ffff88005d0a7230 for type 'struct irq_desc' [ 2708.463563] which requires 64 byte alignment [ 2708.496776] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 4.8.11 #1 [ 2708.546100] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2708.609526] 00000000ffffffff 0c28571bde984a73 ffff88005d407d48 ffffffffb26ec5cc [ 2708.656576] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2708.715479] ffff880000000010 ffff88005d407d70 ffff88005d407d20 ffffffffb363c3e0 [ 2708.770410] Call Trace: [ 2708.779824] [] dump_stack+0xd7/0x132 [ 2708.820858] [] ? arch_local_irq_restore+0x1b/0x1b [ 2708.860692] [] ubsan_epilogue+0x12/0x53 [ 2708.898934] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2708.946793] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2708.997101] [] ? add_interrupt_randomness+0x737/0x773 [ 2709.041609] [] note_interrupt+0x280/0x77f [ 2709.075894] [] handle_irq_event_percpu+0xf5/0x130 [ 2709.123405] [] ? __handle_irq_event_percpu+0x4d7/0x4d7 [ 2709.172157] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2709.218943] [] handle_irq_event+0xff/0x185 [ 2709.258460] [] handle_edge_irq+0x2e7/0x341 [ 2709.295666] [] handle_irq+0x3f/0x47 [ 2709.332128] [] do_IRQ+0x8a/0x110 [ 2709.367905] [] common_interrupt+0x82/0x82 [ 2709.402976] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 2709.454116] [] ? native_safe_halt+0x6/0x8 [ 2709.491977] [] default_idle+0x1f/0x32 [ 2709.530132] [] arch_cpu_idle+0xf/0x11 [ 2709.559234] [] default_idle_call+0x1e/0x20 [ 2709.603049] [] cpu_startup_entry+0x20f/0x384 [ 2709.646865] [] ? default_idle_call+0x20/0x20 [ 2709.686990] [] rest_init+0x8c/0x8f [ 2709.725594] [] start_kernel+0x618/0x64b [ 2709.762886] [] ? thread_stack_cache_init+0xb/0xb [ 2709.801615] [] ? cmdline_find_option_bool+0x131/0x146 [ 2709.844012] [] ? early_idt_handler_array+0x120/0x120 [ 2709.889333] [] x86_64_start_reservations+0x24/0x26 [ 2709.948822] [] x86_64_start_kernel+0x179/0x19c [ 2709.990803] ================================================================================ [ 2710.042945] ================================================================================ [ 2710.099204] UBSAN: Undefined behaviour in kernel/irq/spurious.c:392:25 [ 2710.146366] member access within misaligned address ffff88005d0a7230 for type 'struct irq_desc' [ 2710.198878] which requires 64 byte alignment [ 2710.226919] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 4.8.11 #1 [ 2710.275862] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2710.338195] 00000000ffffffff 0c28571bde984a73 ffff88005d407d48 ffffffffb26ec5cc [ 2710.387437] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2710.444595] ffff880000000010 ffff88005d407d70 ffff88005d407d20 ffffffffb363c3e0 [ 2710.490377] Call Trace: [ 2710.513457] [] dump_stack+0xd7/0x132 [ 2710.550875] [] ? arch_local_irq_restore+0x1b/0x1b [ 2710.593683] [] ubsan_epilogue+0x12/0x53 [ 2710.634138] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2710.677350] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2710.730682] [] ? add_interrupt_randomness+0x737/0x773 [ 2710.778886] [] note_interrupt+0x2d4/0x77f [ 2710.808021] [] handle_irq_event_percpu+0xf5/0x130 [ 2710.848772] [] ? __handle_irq_event_percpu+0x4d7/0x4d7 [ 2710.899990] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2710.949518] [] handle_irq_event+0xff/0x185 [ 2710.987312] [] handle_edge_irq+0x2e7/0x341 [ 2711.021603] [] handle_irq+0x3f/0x47 [ 2711.057293] [] do_IRQ+0x8a/0x110 [ 2711.089211] [] common_interrupt+0x82/0x82 [ 2711.134286] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 2711.190904] [] ? native_safe_halt+0x6/0x8 [ 2711.232658] [] default_idle+0x1f/0x32 [ 2711.271539] [] arch_cpu_idle+0xf/0x11 [ 2711.302456] [] default_idle_call+0x1e/0x20 [ 2711.338649] [] cpu_startup_entry+0x20f/0x384 [ 2711.377519] [] ? default_idle_call+0x20/0x20 [ 2711.415146] [] rest_init+0x8c/0x8f [ 2711.452036] [] start_kernel+0x618/0x64b [ 2711.489284] [] ? thread_stack_cache_init+0xb/0xb [ 2711.531172] [] ? cmdline_find_option_bool+0x131/0x146 [ 2711.572373] [] ? early_idt_handler_array+0x120/0x120 [ 2711.610962] [] x86_64_start_reservations+0x24/0x26 [ 2711.653277] [] x86_64_start_kernel+0x179/0x19c [ 2711.702378] ================================================================================ [ 2711.756188] ================================================================================ [ 2711.810170] UBSAN: Undefined behaviour in kernel/irq/spurious.c:395:24 [ 2711.854213] member access within misaligned address ffff88005d0a7230 for type 'struct irq_desc' [ 2711.911468] which requires 64 byte alignment [ 2711.939276] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 4.8.11 #1 [ 2711.987878] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2712.049533] 00000000ffffffff 0c28571bde984a73 ffff88005d407d48 ffffffffb26ec5cc [ 2712.098329] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2712.145593] ffff880000000010 ffff88005d407d70 ffff88005d407d20 ffffffffb363c3e0 [ 2712.200547] Call Trace: [ 2712.219159] [] dump_stack+0xd7/0x132 [ 2712.258199] [] ? arch_local_irq_restore+0x1b/0x1b [ 2712.296110] [] ubsan_epilogue+0x12/0x53 [ 2712.335345] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2712.378269] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2712.432018] [] ? add_interrupt_randomness+0x737/0x773 [ 2712.474373] [] note_interrupt+0x35d/0x77f [ 2712.514625] [] handle_irq_event_percpu+0xf5/0x130 [ 2712.555277] [] ? __handle_irq_event_percpu+0x4d7/0x4d7 [ 2712.604584] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2712.649456] [] handle_irq_event+0xff/0x185 [ 2712.680862] [] handle_edge_irq+0x2e7/0x341 [ 2712.721399] [] handle_irq+0x3f/0x47 [ 2712.754428] [] do_IRQ+0x8a/0x110 [ 2712.789976] [] common_interrupt+0x82/0x82 [ 2712.826360] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 2712.874517] [] ? native_safe_halt+0x6/0x8 [ 2712.911810] [] default_idle+0x1f/0x32 [ 2712.949736] [] arch_cpu_idle+0xf/0x11 [ 2712.983769] [] default_idle_call+0x1e/0x20 [ 2713.028654] [] cpu_startup_entry+0x20f/0x384 [ 2713.066886] [] ? default_idle_call+0x20/0x20 [ 2713.106216] [] rest_init+0x8c/0x8f [ 2713.144840] [] start_kernel+0x618/0x64b [ 2713.179511] [] ? thread_stack_cache_init+0xb/0xb [ 2713.225377] [] ? cmdline_find_option_bool+0x131/0x146 [ 2713.274604] [] ? early_idt_handler_array+0x120/0x120 [ 2713.319144] [] x86_64_start_reservations+0x24/0x26 [ 2713.357041] [] x86_64_start_kernel+0x179/0x19c [ 2713.396938] ================================================================================ version 2.88 booting[ 2713.485983] ================================================================================ [ 2713.515161] UBSAN: Undefined behaviour in kernel/sched/fair.c:3529:14 [ 2713.537188] member access within misaligned address ffff88005afefc38 for type 'struct sched_entity' [ 2713.567381] which requires 64 byte alignment [ 2713.581374] CPU: 0 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2713.604842] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2713.639140] 00000000ffffffff 00000000b1a89c60 ffff88005d407c88 ffffffffb26ec5cc [ 2713.669320] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2713.694161] ffffffff00000010 ffff88005d407cb0 ffff88005d407c60 ffffffffb363c3e0 [ 2713.718520] Call Trace: [ 2713.726945] [] dump_stack+0xd7/0x132 [ 2713.748686] [] ? arch_local_irq_restore+0x1b/0x1b [ 2713.771009] [] ubsan_epilogue+0x12/0x53 [ 2713.790583] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2713.832660] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2713.874959] [] ? hrtimer_active+0x1ba/0x1c9 [ 2713.914205] [] task_tick_fair+0x1e7/0x2b0 [ 2713.954977] [] scheduler_tick+0x11a/0x17f [ 2713.994855] [] update_process_times+0x57/0x64 [ 2714.036472] [] tick_sched_handle+0x114/0x125 [ 2714.080980] [] tick_sched_timer+0x43/0xab [ 2714.115485] [] __hrtimer_run_queues+0x433/0x7b1 [ 2714.160467] [] ? tick_sched_do_timer+0x5f/0x5f [ 2714.200829] [] ? hrtimer_cancel+0x37/0x37 [ 2714.238443] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2714.291579] [] hrtimer_interrupt+0x179/0x41c [ 2714.330200] [] local_apic_timer_interrupt+0xe4/0xeb [ 2714.370663] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2714.410422] [] apic_timer_interrupt+0x82/0x90 [ 2714.446536] [] ? arch_local_irq_restore+0x6/0xd [ 2714.491444] [] __slab_alloc+0x50/0x5b [ 2714.528755] [] ? __proc_create+0x34a/0x4f3 [ 2714.557185] [] __kmalloc+0x15c/0x2e7 [ 2714.589814] [] ? __proc_create+0x34a/0x4f3 [ 2714.633283] [] __proc_create+0x34a/0x4f3 [ 2714.664100] [] ? __xlate_proc_name+0x133/0x133 [ 2714.703896] [] ? pointer+0x7a9/0x7a9 [ 2714.738193] [] ? __radix_tree_lookup+0x1b2/0x1f8 [ 2714.778784] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2714.834633] [] ? scnprintf+0xf3/0xf3 [ 2714.872946] [] proc_mkdir_data+0x4e/0x19e [ 2714.914040] [] proc_mkdir+0x27/0x2b [ 2714.949570] [] register_handler_proc+0x31a/0x396 [ 2714.989838] [] ? irq_affinity_list_proc_show+0xea/0xea [ 2715.039488] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2715.082501] [] ? register_irq_proc+0x2cf/0x304 [ 2715.119241] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2715.171694] [] ? irq_pm_install_action+0x3c2/0x3ce [ 2715.219349] [] __setup_irq+0x144e/0x171f [ 2715.251889] [] ? __irq_set_trigger+0x64e/0x64e [ 2715.292579] [] ? univ8250_console_write+0x7c/0x7c [ 2715.330899] [] request_threaded_irq+0x252/0x2b9 [ 2715.378816] [] univ8250_setup_irq+0x692/0x7ce [ 2715.423493] [] ? serial8250_backup_timeout+0x325/0x325 [ 2715.467116] [] ? io_serial_out+0x95/0xa8 [ 2715.500615] [] serial8250_do_startup+0x971/0xeda [ 2715.548377] [] serial8250_startup+0x73/0x84 [ 2715.582843] [] ? uart_startup+0x231/0x4c8 [ 2715.621181] [] uart_startup+0x238/0x4c8 [ 2715.666276] [] uart_open+0x2c7/0x327 [ 2715.699864] [] ? uart_startup+0x4c8/0x4c8 [ 2715.733157] [] tty_open+0x746/0xbb2 [ 2715.768616] [] ? tty_init_dev+0x428/0x428 [ 2715.809774] [] ? tty_init_dev+0x428/0x428 [ 2715.844789] [] chrdev_open+0x44e/0x4ae [ 2715.884590] [] ? cdev_put+0x59/0x59 [ 2715.918059] [] ? break_lease+0xf3/0x102 [ 2715.956009] [] ? cdev_put+0x59/0x59 [ 2715.989768] [] do_dentry_open+0x775/0xa9a [ 2716.028812] [] vfs_open+0x1a5/0x1be [ 2716.059138] [] path_openat+0x1f94/0x2525 [ 2716.098506] [] ? kasan_slab_alloc+0x12/0x14 [ 2716.135735] [] ? do_sys_open+0xb2/0x342 [ 2716.173036] [] ? SyS_open+0x32/0x39 [ 2716.202117] [] ? may_open+0x1c0/0x1c0 [ 2716.242100] [] ? deactivate_slab+0x53d/0x566 [ 2716.283008] [] ? getname_flags+0x4f/0x2e0 [ 2716.322540] [] ? init_object+0x1d6/0x1e2 [ 2716.350000] [] ? expand_files+0x68a/0x6d7 [ 2716.389527] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2716.442207] [] do_filp_open+0xe2/0x18c [ 2716.475419] [] ? path_openat+0x2525/0x2525 [ 2716.519428] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2716.554426] [] ? __alloc_fd+0x43d/0x47f [ 2716.592683] [] ? exit_files+0xaa/0xaa [ 2716.624620] [] do_sys_open+0xf5/0x342 [ 2716.662339] [] ? do_sys_open+0xf5/0x342 [ 2716.698264] [] ? filp_open+0x68/0x68 [ 2716.728475] [] SyS_open+0x32/0x39 [ 2716.765237] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2716.811795] ================================================================================ [ 2716.867792] ================================================================================ [ 2716.899095] UBSAN: Undefined behaviour in kernel/irq/spurious.c:394:8 [ 2716.919412] member access within misaligned address ffff88005d0a7230 for type 'struct irq_desc' [ 2716.948895] which requires 64 byte alignment [ 2716.963394] CPU: 0 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2716.988657] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2717.019892] 00000000ffffffff 00000000b1a89c60 ffff88005d407d48 ffffffffb26ec5cc [ 2717.047560] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2717.072599] 0000000000000010 ffff88005d407d70 ffff88005d407d20 ffffffffb363c3e0 [ 2717.094639] Call Trace: [ 2717.101833] [] dump_stack+0xd7/0x132 [ 2717.121370] [] ? arch_local_irq_restore+0x1b/0x1b [ 2717.141900] [] ubsan_epilogue+0x12/0x53 [ 2717.159480] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2717.179595] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2717.203998] [] ? add_interrupt_randomness+0x737/0x773 [ 2717.225628] [] note_interrupt+0x306/0x77f [ 2717.241025] [] handle_irq_event_percpu+0xf5/0x130 [ 2717.264130] [] ? __handle_irq_event_percpu+0x4d7/0x4d7 [ 2717.285080] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2717.310815] [] handle_irq_event+0xff/0x185 [ 2717.328984] [] handle_edge_irq+0x2e7/0x341 [ 2717.348875] [] handle_irq+0x3f/0x47 [ 2717.365124] [] do_IRQ+0x8a/0x110 [ 2717.382005] [] common_interrupt+0x82/0x82 [ 2717.401208] [] ? __start_tx+0x1f9/0x2b2 [ 2717.423643] [] ? arch_local_irq_restore+0x6/0xd [ 2717.442845] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2717.464048] [] uart_write+0x1dc/0x310 [ 2717.478714] [] n_tty_write+0x2e5/0xcd2 [ 2717.496420] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2717.516628] [] ? signal_pending+0x6b/0x6b [ 2717.533561] [] ? finish_wait+0x1ad/0x1ad [ 2717.549983] [] ? __check_object_size+0x1e1/0x2b8 [ 2717.573316] [] ? 0xffffffffb1c002b8 [ 2717.590261] [] tty_write+0x4f4/0x630 [ 2717.608239] [] ? signal_pending+0x6b/0x6b [ 2717.623933] [] redirected_tty_write+0x9c/0xb5 [ 2717.644123] [] ? tty_write+0x630/0x630 [ 2717.658956] [] __vfs_write+0xc2/0x145 [ 2717.678239] [] vfs_write+0x135/0x220 [ 2717.693974] [] SyS_write+0xec/0x174 [ 2717.711382] [] ? SyS_read+0x174/0x174 [ 2717.727165] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2717.745729] ================================================================================ [ 2717.775136] ================================================================================ [ 2717.808193] UBSAN: Undefined behaviour in kernel/irq/spurious.c:394:24 [ 2717.828956] member access within misaligned address ffff88005d0a7230 for type 'struct irq_desc' [ 2717.859163] which requires 64 byte alignment [ 2717.875099] CPU: 0 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 2717.896835] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2717.929434] 00000000ffffffff 00000000b1a89c60 ffff88005d407d48 ffffffffb26ec5cc [ 2717.955171] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2717.982314] 0000000000000010 ffff88005d407d70 ffff88005d407d20 ffffffffb363c3e0 [ 2718.007833] Call Trace: [ 2718.015892] [] dump_stack+0xd7/0x132 [ 2718.034070] [] ? arch_local_irq_restore+0x1b/0x1b [ 2718.057748] [] ubsan_epilogue+0x12/0x53 [ 2718.074420] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2718.098596] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2718.125421] [] ? add_interrupt_randomness+0x737/0x773 [ 2718.146701] [] note_interrupt+0x331/0x77f [ 2718.165960] [] handle_irq_event_percpu+0xf5/0x130 [ 2718.187969] [] ? __handle_irq_event_percpu+0x4d7/0x4d7 [ 2718.213964] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2718.235459] [] handle_irq_event+0xff/0x185 [ 2718.255304] [] handle_edge_irq+0x2e7/0x341 [ 2718.276636] [] handle_irq+0x3f/0x47 [ 2718.292585] [] do_IRQ+0x8a/0x110 [ 2718.311136] [] common_interrupt+0x82/0x82 [ 2718.331029] [] ? __start_tx+0x1f9/0x2b2 [ 2718.357973] [] ? arch_local_irq_restore+0x6/0xd [ 2718.376452] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2718.398745] [] uart_write+0x1dc/0x310 [ 2718.416787] [] n_tty_write+0x2e5/0xcd2 [ 2718.436491] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2718.457639] [] ? signal_pending+0x6b/0x6b [ 2718.476712] [] ? finish_wait+0x1ad/0x1ad [ 2718.494033] [] ? __check_object_size+0x1e1/0x2b8 [ 2718.515467] [] ? 0xffffffffb1c002b8 [ 2718.530645] [] tty_write+0x4f4/0x630 [ 2718.551111] [] ? signal_pending+0x6b/0x6b [ 2718.571532] [] redirected_tty_write+0x9c/0xb5 [ 2718.591927] [] ? tty_write+0x630/0x630 [ 2718.609378] [] __vfs_write+0xc2/0x145 [ 2718.629566] [] vfs_write+0x135/0x220 [ 2718.648296] [] SyS_write+0xec/0x174 [ 2718.664431] [] ? SyS_read+0x174/0x174 [ 2718.679967] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2718.700977] ================================================================================ [ 2718.786868] ================================================================================ [ 2718.831548] UBSAN: Undefined behaviour in kernel/sched/fair.c:8568:37 [ 2718.875447] member access within misaligned address ffff88005afed770 for type 'struct sched_entity' [ 2718.943211] which requires 64 byte alignment [ 2718.972822] CPU: 1 PID: 171 Comm: init Tainted: G L 4.8.11 #1 [ 2719.019587] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2719.091846] 00000000ffffffff 00000000670a3d9e ffff88009ef27988 ffffffffb26ec5cc [ 2719.142938] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2719.197761] ffff880000000010 ffff88009ef279b0 ffff88009ef27960 ffffffffb363c3e0 [ 2719.251212] Call Trace: [ 2719.270817] [] dump_stack+0xd7/0x132 [ 2719.300191] [] ? arch_local_irq_restore+0x1b/0x1b [ 2719.350600] [] ubsan_epilogue+0x12/0x53 [ 2719.386120] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2719.430381] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2719.480544] [] ? set_task_rq+0xdf/0x1e0 [ 2719.522426] [] ? set_task_rq+0x1cd/0x1e0 [ 2719.556632] [] task_change_group_fair+0xeb/0x1e7 [ 2719.598418] [] ? set_task_rq+0x1e0/0x1e0 [ 2719.633033] [] sched_change_group+0x1ff/0x261 [ 2719.673165] [] cpu_cgroup_fork+0x74/0xa9 [ 2719.710778] [] ? task_rq_lock+0x27f/0x27f [ 2719.750822] [] cgroup_post_fork+0x20e/0x266 [ 2719.793712] [] ? cgroup_cancel_fork+0xe7/0xe7 [ 2719.834362] [] ? __raw_write_unlock_irq.constprop.25+0x57/0x8b [ 2719.885722] [] ? set_ti_thread_flag+0x1e/0x1e [ 2719.926336] [] copy_process.part.18+0x4da0/0x4ef0 [ 2719.969273] [] ? __cleanup_sighand+0x3b/0x3b [ 2720.013146] [] ? expand_files+0x68a/0x6d7 [ 2720.050782] [] ? no_tty+0x2a/0x2a [ 2720.082627] [] ? do_sigaction+0x550/0x591 [ 2720.119780] [] _do_fork+0x1e9/0x61e [ 2720.158651] [] ? fork_idle+0x1a2/0x1a2 [ 2720.196226] [] ? SyS_rt_sigaction+0x192/0x1f8 [ 2720.233306] [] ? SyS_sigprocmask+0x252/0x252 [ 2720.275230] [] SyS_clone+0x43/0x4c [ 2720.309587] [] ? ptregs_sys_rt_sigreturn+0x10/0x10 [ 2720.354359] [] do_syscall_64+0x146/0x189 [ 2720.391293] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 2720.435737] ================================================================================ [ 2720.518065] ================================================================================ [ 2720.549286] UBSAN: Undefined behaviour in kernel/sched/fair.c:3529:29 [ 2720.572775] member access within misaligned address ffff8800a2491770 for type 'struct sched_entity' [ 2720.599305] which requires 64 byte alignment [ 2720.615545] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2720.641256] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2720.669162] Workqueue: events vmstat_shepherd [ 2720.683593] 00000000ffffffff 0000000054e9053f ffff8800a3d07c88 ffffffffb26ec5cc [ 2720.709668] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2720.735766] ffff880000000010 ffff8800a3d07cb0 ffff8800a3d07c60 ffffffffb363c3e0 [ 2720.759204] Call Trace: [ 2720.767543] [] dump_stack+0xd7/0x132 [ 2720.783954] [] ? arch_local_irq_restore+0x1b/0x1b [ 2720.806902] [] ubsan_epilogue+0x12/0x53 [ 2720.827270] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2720.850823] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2720.874659] [] ? hrtimer_active+0x1ba/0x1c9 [ 2720.895887] [] task_tick_fair+0x210/0x2b0 [ 2720.912729] [] scheduler_tick+0x11a/0x17f [ 2720.930183] [] update_process_times+0x57/0x64 [ 2720.950358] [] tick_sched_handle+0x114/0x125 [ 2720.965602] [] tick_sched_timer+0x43/0xab [ 2720.988200] [] __hrtimer_run_queues+0x433/0x7b1 [ 2721.009996] [] ? tick_sched_do_timer+0x5f/0x5f [ 2721.030159] [] ? hrtimer_cancel+0x37/0x37 [ 2721.048121] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2721.070877] [] hrtimer_interrupt+0x179/0x41c [ 2721.090034] [] local_apic_timer_interrupt+0xe4/0xeb [ 2721.112037] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2721.131858] [] apic_timer_interrupt+0x82/0x90 [ 2721.151324] [] ? __queue_work+0x9b6/0xba0 [ 2721.169066] [] ? arch_local_irq_restore+0x14/0x1b [ 2721.188987] [] queue_delayed_work_on+0x66/0x75 [ 2721.208969] [] vmstat_shepherd+0x125/0x170 [ 2721.227106] [] process_one_work+0x54a/0x88e [ 2721.248590] [] ? create_worker+0x528/0x528 [ 2721.265400] [] ? worker_clr_flags+0x187/0x193 [ 2721.284215] [] worker_thread+0x67c/0x857 [ 2721.303855] [] kthread+0x1f7/0x20b [ 2721.325624] [] ? rescuer_thread+0x91f/0x91f [ 2721.347061] [] ? init_completion+0x48/0x48 [ 2721.369960] [] ret_from_fork+0x1f/0x40 [ 2721.385216] [] ? init_completion+0x48/0x48 [ 2721.405046] ================================================================================ [ 2721.432420] ================================================================================ [ 2721.482635] UBSAN: Undefined behaviour in kernel/sched/fair.c:454:30 [ 2721.528536] member access within misaligned address ffff8800a2491770 for type 'struct sched_entity' [ 2721.590073] which requires 64 byte alignment [ 2721.617756] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2721.660809] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2721.710722] Workqueue: events vmstat_shepherd [ 2721.746319] 00000000ffffffff 0000000054e9053f ffff8800a24b7970 ffffffffb26ec5cc [ 2721.790100] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2721.835016] ffffffff00000010 ffff8800a24b7998 ffff8800a24b7948 ffffffffb363c3e0 [ 2721.884051] Call Trace: [ 2721.901048] [] dump_stack+0xd7/0x132 [ 2721.931300] [] ? arch_local_irq_restore+0x1b/0x1b [ 2721.974312] [] ubsan_epilogue+0x12/0x53 [ 2722.008355] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2722.063191] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2722.110193] [] ? update_curr+0x39a/0x564 [ 2722.148094] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2722.185700] [] pick_next_entity+0x67/0x25f [ 2722.230114] [] ? update_curr+0x33a/0x564 [ 2722.260098] [] pick_next_task_fair+0x1ab/0xb60 [ 2722.294370] [] ? trigger_dyntick_cpu+0x1d7/0x1de [ 2722.332039] [] ? load_balance+0x1841/0x1841 [ 2722.374579] [] ? kvm_clock_read+0x1e/0x20 [ 2722.402081] [] ? kvm_sched_clock_read+0x9/0x12 [ 2722.436023] [] ? paravirt_sched_clock+0x9/0xd [ 2722.478757] [] ? sched_clock+0x9/0xb [ 2722.514129] [] pick_next_task+0xae/0x15c [ 2722.552462] [] __schedule+0x54b/0x126c [ 2722.583557] [] ? io_schedule_timeout+0x33d/0x33d [ 2722.618770] [] ? queue_delayed_work_on+0x66/0x75 [ 2722.667284] [] preempt_schedule_common+0x1f/0x33 [ 2722.702205] [] _cond_resched+0x19/0x23 [ 2722.766158] [] process_one_work+0x63e/0x88e [ 2722.812346] [] ? create_worker+0x528/0x528 [ 2722.866104] [] ? worker_clr_flags+0x187/0x193 [ 2722.919024] [] worker_thread+0x67c/0x857 [ 2722.982641] [] kthread+0x1f7/0x20b [ 2723.026732] [] ? rescuer_thread+0x91f/0x91f [ 2723.081810] [] ? init_completion+0x48/0x48 [ 2723.141548] [] ret_from_fork+0x1f/0x40 [ 2723.187717] [] ? init_completion+0x48/0x48 [ 2723.252596] ================================================================================ [ 2723.678691] ================================================================================ [ 2723.706132] UBSAN: Undefined behaviour in kernel/sched/fair.c:5008:18 [ 2723.728830] member access within misaligned address ffff8800a2491770 for type 'struct sched_entity' [ 2723.754611] which requires 64 byte alignment [ 2723.769215] CPU: 3 PID: 173 Comm: stty Tainted: G L 4.8.11 #1 [ 2723.794669] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2723.826118] 00000000ffffffff 00000000393a4d52 ffff88009f567728 ffffffffb26ec5cc [ 2723.848549] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2723.871795] ffff880000000010 ffff88009f567750 ffff88009f567700 ffffffffb363c3e0 [ 2723.897653] Call Trace: [ 2723.905189] [] dump_stack+0xd7/0x132 [ 2723.922685] [] ? arch_local_irq_restore+0x1b/0x1b [ 2723.943704] [] ubsan_epilogue+0x12/0x53 [ 2723.961096] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2723.984896] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2724.009692] [] ? __sigqueue_alloc+0xff/0x2f3 [ 2724.027896] [] effective_load+0xc9/0x2fb [ 2724.045747] [] select_task_rq_fair+0xcd0/0xed5 [ 2724.066544] [] ? ___slab_alloc+0xb72/0xbd2 [ 2724.081337] [] select_task_rq+0xa3/0x12e [ 2724.103909] [] try_to_wake_up+0x33c/0x65a [ 2724.121680] [] ? cpus_share_cache+0x125/0x125 [ 2724.145216] [] ? kmem_cache_alloc+0x20f/0x33f [ 2724.163914] [] ? __sigqueue_alloc+0xff/0x2f3 [ 2724.181305] [] ? __sigqueue_alloc+0xff/0x2f3 [ 2724.198188] [] wake_up_state+0x10/0x12 [ 2724.217483] [] signal_wake_up_state+0x55/0x70 [ 2724.233387] [] complete_signal+0x4a3/0x4b5 [ 2724.253028] [] __send_signal+0x807/0x84d [ 2724.270144] [] send_signal+0x79/0x83 [ 2724.288603] [] __group_send_sig_info+0x32/0x34 [ 2724.309215] [] do_notify_parent+0x79b/0x843 [ 2724.332868] [] ? send_sigqueue+0x397/0x397 [ 2724.348812] [] ? find_get_context+0x761/0x761 [ 2724.369554] [] ? cgroup_exit+0x1f8/0x22d [ 2724.387064] [] ? kill_orphaned_pgrp+0x30a/0x316 [ 2724.406442] [] do_exit+0x1a58/0x20bc [ 2724.424949] [] ? mm_update_next_owner+0x58c/0x58c [ 2724.448519] [] ? ioctl_preallocate+0x209/0x209 [ 2724.468208] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2724.492319] [] ? __do_page_fault+0x6d3/0x96b [ 2724.513091] [] do_group_exit+0x112/0x290 [ 2724.529070] [] SyS_exit_group+0x22/0x22 [ 2724.549535] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2724.570563] ================================================================================ [ 2724.597562] ================================================================================ [ 2724.626932] UBSAN: Undefined behaviour in kernel/sched/fair.c:5046:16 [ 2724.648727] member access within misaligned address ffff8800a2491770 for type 'struct sched_entity' [ 2724.679074] which requires 64 byte alignment [ 2724.695554] CPU: 3 PID: 173 Comm: stty Tainted: G L 4.8.11 #1 [ 2724.714397] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2724.752039] 00000000ffffffff 00000000393a4d52 ffff88009f567728 ffffffffb26ec5cc [ 2724.778617] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2724.804100] ffff880000000010 ffff88009f567750 ffff88009f567700 ffffffffb363c3e0 [ 2724.829687] Call Trace: [ 2724.838539] [] dump_stack+0xd7/0x132 [ 2724.854633] [] ? arch_local_irq_restore+0x1b/0x1b [ 2724.872293] [] ubsan_epilogue+0x12/0x53 [ 2724.894363] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2724.916288] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2724.940962] [] ? __sigqueue_alloc+0xff/0x2f3 [ 2724.957158] [] effective_load+0x29f/0x2fb [ 2724.974876] [] select_task_rq_fair+0xcd0/0xed5 [ 2724.996957] [] ? ___slab_alloc+0xb72/0xbd2 [ 2725.016184] [] select_task_rq+0xa3/0x12e [ 2725.033249] [] try_to_wake_up+0x33c/0x65a [ 2725.052208] [] ? cpus_share_cache+0x125/0x125 [ 2725.073003] [] ? kmem_cache_alloc+0x20f/0x33f [ 2725.090347] [] ? __sigqueue_alloc+0xff/0x2f3 [ 2725.109040] [] ? __sigqueue_alloc+0xff/0x2f3 [ 2725.125392] [] wake_up_state+0x10/0x12 [ 2725.145672] [] signal_wake_up_state+0x55/0x70 [ 2725.165463] [] complete_signal+0x4a3/0x4b5 [ 2725.184590] [] __send_signal+0x807/0x84d [ 2725.202167] [] send_signal+0x79/0x83 [ 2725.220157] [] __group_send_sig_info+0x32/0x34 [ 2725.241683] [] do_notify_parent+0x79b/0x843 [ 2725.261495] [] ? send_sigqueue+0x397/0x397 [ 2725.276967] [] ? find_get_context+0x761/0x761 [ 2725.298479] [] ? cgroup_exit+0x1f8/0x22d [ 2725.316965] [] ? kill_orphaned_pgrp+0x30a/0x316 [ 2725.342435] [] do_exit+0x1a58/0x20bc [ 2725.358740] [] ? mm_update_next_owner+0x58c/0x58c [ 2725.379307] [] ? ioctl_preallocate+0x209/0x209 [ 2725.396682] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2725.420907] [] ? __do_page_fault+0x6d3/0x96b [ 2725.440072] [] do_group_exit+0x112/0x290 [ 2725.456483] [] SyS_exit_group+0x22/0x22 [ 2725.474901] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2725.496749] ================================================================================ [ 2725.528650] ================================================================================ [ 2725.554158] UBSAN: Undefined behaviour in kernel/sched/fair.c:5007:2 [ 2725.575222] member access within misaligned address ffff8800a2491770 for type 'struct sched_entity' [ 2725.605111] which requires 64 byte alignment [ 2725.618791] CPU: 3 PID: 173 Comm: stty Tainted: G L 4.8.11 #1 [ 2725.641961] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2725.669655] 00000000ffffffff 00000000393a4d52 ffff88009f567728 ffffffffb26ec5cc [ 2725.694867] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2725.719235] ffff880000000010 ffff88009f567750 ffff88009f567700 ffffffffb363c3e0 [ 2725.741367] Call Trace: [ 2725.750102] [] dump_stack+0xd7/0x132 [ 2725.766095] [] ? arch_local_irq_restore+0x1b/0x1b [ 2725.787129] [] ubsan_epilogue+0x12/0x53 [ 2725.802588] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2725.829131] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2725.852289] [] ? __sigqueue_alloc+0xff/0x2f3 [ 2725.871707] [] effective_load+0x2cb/0x2fb [ 2725.892639] [] select_task_rq_fair+0xcd0/0xed5 [ 2725.911693] [] ? ___slab_alloc+0xb72/0xbd2 [ 2725.929463] [] select_task_rq+0xa3/0x12e [ 2725.948665] [] try_to_wake_up+0x33c/0x65a [ 2725.967044] [] ? cpus_share_cache+0x125/0x125 [ 2725.985679] [] ? kmem_cache_alloc+0x20f/0x33f [ 2726.004371] [] ? __sigqueue_alloc+0xff/0x2f3 [ 2726.024481] [] ? __sigqueue_alloc+0xff/0x2f3 [ 2726.044614] [] wake_up_state+0x10/0x12 [ 2726.062058] [] signal_wake_up_state+0x55/0x70 [ 2726.082050] [] complete_signal+0x4a3/0x4b5 [ 2726.102058] [] __send_signal+0x807/0x84d [ 2726.120157] [] send_signal+0x79/0x83 [ 2726.140302] [] __group_send_sig_info+0x32/0x34 [ 2726.154943] [] do_notify_parent+0x79b/0x843 [ 2726.177195] [] ? send_sigqueue+0x397/0x397 [ 2726.198931] [] ? find_get_context+0x761/0x761 [ 2726.218664] [] ? cgroup_exit+0x1f8/0x22d [ 2726.238131] [] ? kill_orphaned_pgrp+0x30a/0x316 [ 2726.258090] [] do_exit+0x1a58/0x20bc [ 2726.276663] [] ? mm_update_next_owner+0x58c/0x58c [ 2726.298852] [] ? ioctl_preallocate+0x209/0x209 [ 2726.321697] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2726.346751] [] ? __do_page_fault+0x6d3/0x96b [ 2726.365991] [] do_group_exit+0x112/0x290 [ 2726.380306] [] SyS_exit_group+0x22/0x22 [ 2726.399703] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2726.422914] ================================================================================ [ 2726.465571] ================================================================================ [ 2726.496779] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 2726.519715] load of misaligned address ffffffffb77ce744 for type 'volatile const long unsigned int' [ 2726.550163] which requires 8 byte alignment [ 2726.563298] CPU: 2 PID: 172 Comm: rc Tainted: G L 4.8.11 #1 [ 2726.584690] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2726.616851] 00000000ffffffff 0000000014f383bf ffff88005a5d7c38 ffffffffb26ec5cc [ 2726.638370] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2726.666483] 0000000000000010 ffff88005a5d7c60 ffff88005a5d7c10 ffffffffb363c3e0 [ 2726.692537] Call Trace: [ 2726.698722] [] dump_stack+0xd7/0x132 [ 2726.716888] [] ? arch_local_irq_restore+0x1b/0x1b [ 2726.737019] [] ubsan_epilogue+0x12/0x53 [ 2726.754397] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2726.777104] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2726.799316] [] frame_uc_flags+0x34/0xcf [ 2726.819429] [] do_signal+0x918/0x1134 [ 2726.838321] [] ? setup_sigcontext+0x507/0x507 [ 2726.857048] [] ? __schedule+0x123d/0x126c [ 2726.876383] [] ? SYSC_wait4+0x17c/0x1c7 [ 2726.895005] [] ? do_wait+0x78d/0x78d [ 2726.914899] [] prepare_exit_to_usermode+0x127/0x1d9 [ 2726.933157] [] syscall_return_slowpath+0x1b4/0x247 [ 2726.954808] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 2726.975578] ================================================================================ [ 2727.118573] ================================================================================ [ 2727.148458] UBSAN: Undefined behaviour in kernel/sched/fair.c:277:11 [ 2727.169658] member access within misaligned address ffff8800a2491770 for type 'struct sched_entity' [ 2727.199454] which requires 64 byte alignment [ 2727.215429] CPU: 3 PID: 174 Comm: run-parts Tainted: G L 4.8.11 #1 [ 2727.238456] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2727.272825] 00000000ffffffff 000000005deac17a ffff88009ef87870 ffffffffb26ec5cc [ 2727.299731] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2727.328651] ffff880000000010 ffff88009ef87898 ffff88009ef87848 ffffffffb363c3e0 [ 2727.354144] Call Trace: [ 2727.365363] [] dump_stack+0xd7/0x132 [ 2727.379239] [] ? arch_local_irq_restore+0x1b/0x1b [ 2727.401615] [] ubsan_epilogue+0x12/0x53 [ 2727.419563] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2727.442837] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2727.467140] [] enqueue_task_fair+0x1cd/0x22b [ 2727.484361] [] enqueue_task+0xf3/0xfc [ 2727.502281] [] activate_task+0xfb/0x104 [ 2727.522983] [] ttwu_do_activate+0xb9/0x158 [ 2727.537096] [] try_to_wake_up+0x5db/0x65a [ 2727.559300] [] ? cpus_share_cache+0x125/0x125 [ 2727.577545] [] ? gfp_pfmemalloc_allowed+0xf3/0xf3 [ 2727.599615] [] ? gfp_pfmemalloc_allowed+0xf3/0xf3 [ 2727.619260] [] ? perf_event_comm+0x17d/0x17d [ 2727.638980] [] default_wake_function+0x49/0x50 [ 2727.654710] [] autoremove_wake_function+0x65/0x102 [ 2727.675844] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 2727.697274] [] ? __check_object_size+0x1e1/0x2b8 [ 2727.719893] [] ? 0xffffffffb1c002b8 [ 2727.738860] [] __wake_up_common+0xe0/0x14f [ 2727.756741] [] __wake_up_sync_key+0x44/0x56 [ 2727.778245] [] pipe_write+0xa88/0xbae [ 2727.795204] [] new_sync_write+0x16e/0x21c [ 2727.813912] [] ? new_sync_write.part.9+0x1c/0x1c [ 2727.833781] [] ? apply_to_page_range+0x3d6/0x3d6 [ 2727.855085] [] ? aa_end_current_label+0x29/0x2c [ 2727.875508] [] __vfs_write+0x12c/0x145 [ 2727.894800] [] vfs_write+0x135/0x220 [ 2727.911274] [] SyS_write+0xec/0x174 [ 2727.929718] [] ? SyS_read+0x174/0x174 [ 2727.945741] [] ? prepare_exit_to_usermode+0x7d/0x1d9 [ 2727.968821] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2727.993768] ================================================================================ [ 2728.019750] ================================================================================ [ 2728.049336] UBSAN: Undefined behaviour in kernel/sched/fair.c:4553:2 [ 2728.068643] member access within misaligned address ffff8800a2491770 for type 'struct sched_entity' [ 2728.096188] which requires 64 byte alignment [ 2728.113636] CPU: 3 PID: 174 Comm: run-parts Tainted: G L 4.8.11 #1 [ 2728.137293] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2728.171934] 00000000ffffffff 000000005deac17a ffff88009ef87870 ffffffffb26ec5cc [ 2728.197029] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2728.220100] 0000000000000010 ffff88009ef87898 ffff88009ef87848 ffffffffb363c3e0 [ 2728.250244] Call Trace: [ 2728.261832] [] dump_stack+0xd7/0x132 [ 2728.277849] [] ? arch_local_irq_restore+0x1b/0x1b [ 2728.299675] [] ubsan_epilogue+0x12/0x53 [ 2728.318583] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2728.343518] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2728.368839] [] ? update_cfs_shares+0xf2/0x39d [ 2728.388164] [] enqueue_task_fair+0x209/0x22b [ 2728.405565] [] enqueue_task+0xf3/0xfc [ 2728.424794] [] activate_task+0xfb/0x104 [ 2728.445072] [] ttwu_do_activate+0xb9/0x158 [ 2728.463421] [] try_to_wake_up+0x5db/0x65a [ 2728.479083] [] ? cpus_share_cache+0x125/0x125 [ 2728.499914] [] ? gfp_pfmemalloc_allowed+0xf3/0xf3 [ 2728.519832] [] ? gfp_pfmemalloc_allowed+0xf3/0xf3 [ 2728.545151] [] ? perf_event_comm+0x17d/0x17d [ 2728.566464] [] default_wake_function+0x49/0x50 [ 2728.593630] [] autoremove_wake_function+0x65/0x102 [ 2728.619676] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 2728.644832] [] ? __check_object_size+0x1e1/0x2b8 [ 2728.663771] [] ? 0xffffffffb1c002b8 [ 2728.679936] [] __wake_up_common+0xe0/0x14f [ 2728.696022] [] __wake_up_sync_key+0x44/0x56 [ 2728.716482] [] pipe_write+0xa88/0xbae [ 2728.730802] [] new_sync_write+0x16e/0x21c [ 2728.749884] [] ? new_sync_write.part.9+0x1c/0x1c [ 2728.772087] [] ? apply_to_page_range+0x3d6/0x3d6 [ 2728.792860] [] ? aa_end_current_label+0x29/0x2c [ 2728.812193] [] __vfs_write+0x12c/0x145 [ 2728.832635] [] vfs_write+0x135/0x220 [ 2728.849192] [] SyS_write+0xec/0x174 [ 2728.866841] [] ? SyS_read+0x174/0x174 [ 2728.881731] [] ? prepare_exit_to_usermode+0x7d/0x1d9 [ 2728.904660] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2728.929390] ================================================================================ [ 2728.954202] ================================================================================ [ 2729.018698] UBSAN: Undefined behaviour in kernel/sched/fair.c:277:11 [ 2729.087828] member access within misaligned address ffff8800a2491770 for type 'struct sched_entity' [ 2729.174015] which requires 64 byte alignment [ 2729.211443] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 4.8.11 #1 [ 2729.280468] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2729.369377] 00000000ffffffff 0c28571bde984a73 ffff88005d4079d8 ffffffffb26ec5cc [ 2729.434646] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2729.520093] ffffffff00000010 ffff88005d407a00 ffff88005d4079b0 ffffffffb363c3e0 [ 2729.595655] Call Trace: [ 2729.615723] [] dump_stack+0xd7/0x132 [ 2729.668456] [] ? arch_local_irq_restore+0x1b/0x1b [ 2729.728405] [] ubsan_epilogue+0x12/0x53 [ 2729.769384] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2729.830427] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2729.913698] [] ? dequeue_entity+0x58d/0x77a [ 2729.971321] [] dequeue_task_fair+0x181/0x2a5 [ 2730.038446] [] dequeue_task+0x1be/0x1c9 [ 2730.080661] [] deactivate_task+0xfb/0x104 [ 2730.133991] [] load_balance+0x9e3/0x1841 [ 2730.188228] [] ? find_busiest_group+0x55f/0x55f [ 2730.246841] [] ? div_u64+0xcd/0xcd [ 2730.295802] [] ? sched_clock_cpu+0x1c/0x161 [ 2730.354885] [] ? update_rq_clock+0x69/0x138 [ 2730.402058] [] ? update_tg_load_avg.constprop.34+0x93/0x17f [ 2730.476903] [] ? __msecs_to_jiffies+0x38/0x40 [ 2730.537234] [] rebalance_domains+0x3ad/0x5d1 [ 2730.596428] [] ? pick_next_task_fair+0xb60/0xb60 [ 2730.655815] [] ? cpu_load_update+0x22c/0x23b [ 2730.715591] [] ? update_rq_clock+0x69/0x138 [ 2730.783128] [] run_rebalance_domains+0x43a/0x561 [ 2730.844630] [] ? rebalance_domains+0x5d1/0x5d1 [ 2730.903485] [] ? __asan_loadN+0xf/0x11 [ 2730.955586] [] ? pvclock_clocksource_read+0x10d/0x171 [ 2731.014556] [] __do_softirq+0x211/0x59e [ 2731.073754] [] irq_exit+0x65/0xd6 [ 2731.120212] [] scheduler_ipi+0xe2/0xe9 [ 2731.174333] [] smp_reschedule_interrupt+0x1a/0x1c [ 2731.243636] [] reschedule_interrupt+0x82/0x90 [ 2731.296535] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 2731.355365] [] ? native_safe_halt+0x6/0x8 [ 2731.403768] [] default_idle+0x1f/0x32 [ 2731.455062] [] arch_cpu_idle+0xf/0x11 [ 2731.501770] [] default_idle_call+0x1e/0x20 [ 2731.557038] [] cpu_startup_entry+0x20f/0x384 [ 2731.615870] [] ? default_idle_call+0x20/0x20 [ 2731.678236] [] rest_init+0x8c/0x8f [ 2731.727807] [] start_kernel+0x618/0x64b [ 2731.788006] [] ? thread_stack_cache_init+0xb/0xb [ 2731.838022] [] ? cmdline_find_option_bool+0x131/0x146 [ 2731.904426] [] ? early_idt_handler_array+0x120/0x120 [ 2731.958535] [] x86_64_start_reservations+0x24/0x26 [ 2732.036004] [] x86_64_start_kernel+0x179/0x19c [ 2732.100150] ================================================================================ [ 2732.186116] ================================================================================ [ 2732.276022] UBSAN: Undefined behaviour in kernel/sched/fair.c:4612:2 [ 2732.333113] member access within misaligned address ffff8800a2491770 for type 'struct sched_entity' [ 2732.418719] which requires 64 byte alignment [ 2732.456315] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 4.8.11 #1 [ 2732.525932] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2732.633063] 00000000ffffffff 0c28571bde984a73 ffff88005d4079d8 ffffffffb26ec5cc [ 2732.708372] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2732.784405] ffffffff00000010 ffff88005d407a00 ffff88005d4079b0 ffffffffb363c3e0 [ 2732.863056] Call Trace: [ 2732.886532] [] dump_stack+0xd7/0x132 [ 2732.942637] [] ? arch_local_irq_restore+0x1b/0x1b [ 2733.008415] [] ubsan_epilogue+0x12/0x53 [ 2733.067934] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2733.140617] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2733.219865] [] ? update_cfs_shares+0xf2/0x39d [ 2733.275348] [] dequeue_task_fair+0x243/0x2a5 [ 2733.346014] [] dequeue_task+0x1be/0x1c9 [ 2733.405668] [] deactivate_task+0xfb/0x104 [ 2733.459879] [] load_balance+0x9e3/0x1841 [ 2733.514608] [] ? find_busiest_group+0x55f/0x55f [ 2733.589452] [] ? div_u64+0xcd/0xcd [ 2733.646507] [] ? sched_clock_cpu+0x1c/0x161 [ 2733.718817] [] ? update_rq_clock+0x69/0x138 [ 2733.796355] [] ? update_tg_load_avg.constprop.34+0x93/0x17f [ 2733.869518] [] ? __msecs_to_jiffies+0x38/0x40 [ 2733.937329] [] rebalance_domains+0x3ad/0x5d1 [ 2734.005880] [] ? pick_next_task_fair+0xb60/0xb60 [ 2734.076520] [] ? cpu_load_update+0x22c/0x23b [ 2734.142922] [] ? update_rq_clock+0x69/0x138 [ 2734.210127] [] run_rebalance_domains+0x43a/0x561 [ 2734.285931] [] ? rebalance_domains+0x5d1/0x5d1 [ 2734.354520] [] ? __asan_loadN+0xf/0x11 [ 2734.417221] [] ? pvclock_clocksource_read+0x10d/0x171 [ 2734.480193] [] __do_softirq+0x211/0x59e [ 2734.541780] [] irq_exit+0x65/0xd6 [ 2734.584908] [] scheduler_ipi+0xe2/0xe9 [ 2734.643014] [] smp_reschedule_interrupt+0x1a/0x1c [ 2734.722100] [] reschedule_interrupt+0x82/0x90 [ 2734.782372] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 2734.857578] [] ? native_safe_halt+0x6/0x8 [ 2734.914288] [] default_idle+0x1f/0x32 [ 2734.967601] [] arch_cpu_idle+0xf/0x11 [ 2735.029848] [] default_idle_call+0x1e/0x20 [ 2735.093098] [] cpu_startup_entry+0x20f/0x384 [ 2735.166558] [] ? default_idle_call+0x20/0x20 [ 2735.243912] [] rest_init+0x8c/0x8f [ 2735.292293] [] start_kernel+0x618/0x64b [ 2735.346861] [] ? thread_stack_cache_init+0xb/0xb [ 2735.428169] [] ? cmdline_find_option_bool+0x131/0x146 [ 2735.513338] [] ? early_idt_handler_array+0x120/0x120 [ 2735.574204] [] x86_64_start_reservations+0x24/0x26 [ 2735.646098] [] x86_64_start_kernel+0x179/0x19c [ 2735.758937] ================================================================================ [ 2736.122921] ================================================================================ [ 2736.153569] UBSAN: Undefined behaviour in kernel/sched/fair.c:277:11 [ 2736.172270] member access within misaligned address ffff8800a2492178 for type 'struct sched_entity' [ 2736.208498] which requires 64 byte alignment [ 2736.221655] CPU: 2 PID: 176 Comm: startpar Tainted: G L 4.8.11 #1 [ 2736.252786] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2736.285713] 00000000ffffffff 00000000e808e7c8 ffff88009eae7668 ffffffffb26ec5cc [ 2736.309678] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2736.337188] ffffffff00000010 ffff88009eae7690 ffff88009eae7640 ffffffffb363c3e0 [ 2736.364999] Call Trace: [ 2736.372959] [] dump_stack+0xd7/0x132 [ 2736.391549] [] ? arch_local_irq_restore+0x1b/0x1b [ 2736.409367] [] ubsan_epilogue+0x12/0x53 [ 2736.426345] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2736.452145] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2736.503447] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2736.553907] [] set_next_buddy+0x9d/0x117 [ 2736.584125] [] check_preempt_wakeup+0x5ec/0x7d1 [ 2736.618532] [] ? dequeue_task_fair+0x2a5/0x2a5 [ 2736.663509] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2736.711467] [] ? update_cfs_shares+0xf2/0x39d [ 2736.751665] [] check_preempt_curr+0x122/0x2c3 [ 2736.792318] [] ttwu_do_wakeup+0x1d/0x306 [ 2736.831497] [] ttwu_do_activate+0x14f/0x158 [ 2736.872975] [] try_to_wake_up+0x5db/0x65a [ 2736.913852] [] ? cpus_share_cache+0x125/0x125 [ 2736.953126] [] ? kmem_cache_alloc+0x20f/0x33f [ 2736.998469] [] ? __sigqueue_alloc+0xff/0x2f3 [ 2737.032854] [] ? __sigqueue_alloc+0xff/0x2f3 [ 2737.073765] [] wake_up_state+0x10/0x12 [ 2737.109263] [] signal_wake_up_state+0x55/0x70 [ 2737.151293] [] complete_signal+0x4a3/0x4b5 [ 2737.192239] [] __send_signal+0x807/0x84d [ 2737.236338] [] send_signal+0x79/0x83 [ 2737.270767] [] __group_send_sig_info+0x32/0x34 [ 2737.310872] [] do_notify_parent+0x79b/0x843 [ 2737.350314] [] ? send_sigqueue+0x397/0x397 [ 2737.392245] [] ? find_get_context+0x761/0x761 [ 2737.438224] [] ? cgroup_exit+0x1f8/0x22d [ 2737.472898] [] ? kill_orphaned_pgrp+0x30a/0x316 [ 2737.518229] [] do_exit+0x1a58/0x20bc [ 2737.550327] [] ? mm_update_next_owner+0x58c/0x58c [ 2737.588880] [] ? fsnotify_perm+0x111/0x11e [ 2737.624899] [] ? __fsnotify_parent+0x229/0x238 [ 2737.670375] [] ? fdput.isra.1+0x2a/0x2f [ 2737.697540] [] ? SyS_write+0x13a/0x174 [ 2737.737317] [] do_group_exit+0x112/0x290 [ 2737.783975] [] SyS_exit_group+0x22/0x22 [ 2737.815874] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2737.857911] ================================================================================ [ 2737.911730] ================================================================================ [ 2737.967346] UBSAN: Undefined behaviour in kernel/sched/fair.c:5600:2 [ 2738.014245] member access within misaligned address ffff8800a2492178 for type 'struct sched_entity' [ 2738.073288] which requires 64 byte alignment [ 2738.108369] CPU: 2 PID: 176 Comm: startpar Tainted: G L 4.8.11 #1 [ 2738.158015] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2738.220178] 00000000ffffffff 00000000e808e7c8 ffff88009eae7668 ffffffffb26ec5cc [ 2738.275566] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2738.319732] ffffffff00000010 ffff88009eae7690 ffff88009eae7640 ffffffffb363c3e0 [ 2738.372110] Call Trace: [ 2738.388051] [] dump_stack+0xd7/0x132 [ 2738.425458] [] ? arch_local_irq_restore+0x1b/0x1b [ 2738.476468] [] ubsan_epilogue+0x12/0x53 [ 2738.511015] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2738.561352] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2738.609786] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2738.652448] [] set_next_buddy+0x10e/0x117 [ 2738.686578] [] check_preempt_wakeup+0x5ec/0x7d1 [ 2738.726932] [] ? dequeue_task_fair+0x2a5/0x2a5 [ 2738.768285] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2738.819380] [] ? update_cfs_shares+0xf2/0x39d [ 2738.858100] [] check_preempt_curr+0x122/0x2c3 [ 2738.896551] [] ttwu_do_wakeup+0x1d/0x306 [ 2738.937195] [] ttwu_do_activate+0x14f/0x158 [ 2738.975023] [] try_to_wake_up+0x5db/0x65a [ 2739.018340] [] ? cpus_share_cache+0x125/0x125 [ 2739.053193] [] ? kmem_cache_alloc+0x20f/0x33f [ 2739.092107] [] ? __sigqueue_alloc+0xff/0x2f3 [ 2739.127207] [] ? __sigqueue_alloc+0xff/0x2f3 [ 2739.170352] [] wake_up_state+0x10/0x12 [ 2739.213536] [] signal_wake_up_state+0x55/0x70 [ 2739.251165] [] complete_signal+0x4a3/0x4b5 [ 2739.286374] [] __send_signal+0x807/0x84d [ 2739.325491] [] send_signal+0x79/0x83 [ 2739.362783] [] __group_send_sig_info+0x32/0x34 [ 2739.401120] [] do_notify_parent+0x79b/0x843 [ 2739.435750] [] ? send_sigqueue+0x397/0x397 [ 2739.471999] [] ? find_get_context+0x761/0x761 [ 2739.513667] [] ? cgroup_exit+0x1f8/0x22d [ 2739.547084] [] ? kill_orphaned_pgrp+0x30a/0x316 [ 2739.589510] [] do_exit+0x1a58/0x20bc [ 2739.626404] [] ? mm_update_next_owner+0x58c/0x58c [ 2739.667369] [] ? fsnotify_perm+0x111/0x11e [ 2739.700051] [] ? __fsnotify_parent+0x229/0x238 [ 2739.738622] [] ? fdput.isra.1+0x2a/0x2f [ 2739.775513] [] ? SyS_write+0x13a/0x174 [ 2739.812721] [] do_group_exit+0x112/0x290 [ 2739.851980] [] SyS_exit_group+0x22/0x22 [ 2739.883548] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2739.924218] ================================================================================ [ 2739.992492] ================================================================================ [ 2740.043512] UBSAN: Undefined behaviour in kernel/sched/fair.c:277:11 [ 2740.090248] member access within misaligned address ffff8800a2492178 for type 'struct sched_entity' [ 2740.143817] which requires 64 byte alignment [ 2740.171777] CPU: 2 PID: 176 Comm: startpar Tainted: G L 4.8.11 #1 [ 2740.213116] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2740.287265] 00000000ffffffff 00000000e808e7c8 ffff8800a3c078d8 ffffffffb26ec5cc [ 2740.343276] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2740.417386] ffff880000000010 ffff8800a3c07900 ffff8800a3c078b0 ffffffffb363c3e0 [ 2740.502438] Call Trace: [ 2740.517833] [] dump_stack+0xd7/0x132 [ 2740.569416] [] ? arch_local_irq_restore+0x1b/0x1b [ 2740.610903] [] ubsan_epilogue+0x12/0x53 [ 2740.651774] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2740.702275] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2740.777045] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2740.827573] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2740.875422] [] clear_buddies+0x192/0x2ec [ 2740.932379] [] task_tick_fair+0x1ae/0x2b0 [ 2740.996736] [] scheduler_tick+0x11a/0x17f [ 2741.051783] [] update_process_times+0x57/0x64 [ 2741.113347] [] tick_sched_handle+0x114/0x125 [ 2741.201632] [] tick_sched_timer+0x43/0xab [ 2741.243785] [] __hrtimer_run_queues+0x433/0x7b1 [ 2741.295565] [] ? tick_sched_do_timer+0x5f/0x5f [ 2741.363347] [] ? hrtimer_cancel+0x37/0x37 [ 2741.474283] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2741.590716] [] hrtimer_interrupt+0x179/0x41c [ 2741.670853] [] local_apic_timer_interrupt+0xe4/0xeb [ 2741.726803] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2741.777103] [] apic_timer_interrupt+0x82/0x90 [ 2741.827427] [] ? swake_up_locked+0x137/0x16d [ 2741.879003] [] ? arch_local_irq_restore+0x6/0xd [ 2741.941394] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2742.129313] [] swake_up+0x5c/0x61 [ 2742.166969] [] rcu_report_qs_rnp+0x384/0x3c0 [ 2742.210545] [] ? rcu_barrier_callback+0x84/0x84 [ 2742.250878] [] ? pick_next_task_fair+0xb60/0xb60 [ 2742.300801] [] rcu_process_callbacks+0x541/0x12b0 [ 2742.343848] [] ? run_rebalance_domains+0x522/0x561 [ 2742.390891] [] ? internal_add_timer+0x8f/0x8f [ 2742.432198] [] ? timekeeping_delta_to_ns+0x97/0xa6 [ 2742.486838] [] ? note_gp_changes+0x244/0x244 [ 2742.545605] [] ? native_apic_msr_write+0x29/0x2b [ 2742.607289] [] ? apic_write+0x53/0x5a [ 2742.647131] [] __do_softirq+0x211/0x59e [ 2742.701488] [] irq_exit+0x65/0xd6 [ 2742.748173] [] smp_apic_timer_interrupt+0x33/0x3e [ 2742.800069] [] apic_timer_interrupt+0x82/0x90 [ 2742.840367] [] ? do_exit+0x1bca/0x20bc [ 2742.877796] [] ? arch_local_irq_enable+0x10/0x12 [ 2742.922337] [] ? arch_local_irq_enable+0x9/0x12 [ 2742.966177] [] do_exit+0x1bd6/0x20bc [ 2743.000610] [] ? mm_update_next_owner+0x58c/0x58c [ 2743.043908] [] ? fsnotify_perm+0x111/0x11e [ 2743.072660] [] ? __fsnotify_parent+0x229/0x238 [ 2743.122818] [] ? fdput.isra.1+0x2a/0x2f [ 2743.152153] [] ? SyS_write+0x13a/0x174 [ 2743.192627] [] do_group_exit+0x112/0x290 [ 2743.267191] [] SyS_exit_group+0x22/0x22 [ 2743.343593] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2743.411756] ================================================================================ [ 2743.483469] ================================================================================ [ 2743.544654] UBSAN: Undefined behaviour in kernel/sched/fair.c:3421:2 [ 2743.596443] member access within misaligned address ffff8800a2492178 for type 'struct sched_entity' [ 2743.663009] which requires 64 byte alignment [ 2743.687960] CPU: 2 PID: 176 Comm: startpar Tainted: G L 4.8.11 #1 [ 2743.743265] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2743.806398] 00000000ffffffff 00000000e808e7c8 ffff8800a3c078d8 ffffffffb26ec5cc [ 2743.859915] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2743.911240] ffff880000000010 ffff8800a3c07900 ffff8800a3c078b0 ffffffffb363c3e0 [ 2743.954975] Call Trace: [ 2743.970968] [] dump_stack+0xd7/0x132 [ 2744.021604] [] ? arch_local_irq_restore+0x1b/0x1b [ 2744.076612] [] ubsan_epilogue+0x12/0x53 [ 2744.128446] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2744.184875] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2744.236975] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2744.287410] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2744.340862] [] clear_buddies+0x232/0x2ec [ 2744.397387] [] task_tick_fair+0x1ae/0x2b0 [ 2744.462587] [] scheduler_tick+0x11a/0x17f [ 2744.528346] [] update_process_times+0x57/0x64 [ 2744.594372] [] tick_sched_handle+0x114/0x125 [ 2744.654645] [] tick_sched_timer+0x43/0xab [ 2744.709194] [] __hrtimer_run_queues+0x433/0x7b1 [ 2744.765498] [] ? tick_sched_do_timer+0x5f/0x5f [ 2744.824981] [] ? hrtimer_cancel+0x37/0x37 [ 2744.887069] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2744.957625] [] hrtimer_interrupt+0x179/0x41c [ 2745.011509] [] local_apic_timer_interrupt+0xe4/0xeb [ 2745.117061] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2745.304151] [] apic_timer_interrupt+0x82/0x90 [ 2745.436593] [] ? swake_up_locked+0x137/0x16d [ 2745.476392] [] ? arch_local_irq_restore+0x6/0xd [ 2745.524708] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2745.582282] [] swake_up+0x5c/0x61 [ 2745.646274] [] rcu_report_qs_rnp+0x384/0x3c0 [ 2745.710676] [] ? rcu_barrier_callback+0x84/0x84 [ 2745.794602] [] ? pick_next_task_fair+0xb60/0xb60 [ 2745.878146] [] rcu_process_callbacks+0x541/0x12b0 [ 2745.935637] [] ? run_rebalance_domains+0x522/0x561 [ 2745.999034] [] ? internal_add_timer+0x8f/0x8f [ 2746.058863] [] ? timekeeping_delta_to_ns+0x97/0xa6 [ 2746.116685] [] ? note_gp_changes+0x244/0x244 [ 2746.157309] [] ? native_apic_msr_write+0x29/0x2b [ 2746.204926] [] ? apic_write+0x53/0x5a [ 2746.252627] [] __do_softirq+0x211/0x59e [ 2746.331156] [] irq_exit+0x65/0xd6 [ 2746.406048] [] smp_apic_timer_interrupt+0x33/0x3e [ 2746.456799] [] apic_timer_interrupt+0x82/0x90 [ 2746.507509] [] ? do_exit+0x1bca/0x20bc [ 2746.549690] [] ? arch_local_irq_enable+0x10/0x12 [ 2746.601043] [] ? arch_local_irq_enable+0x9/0x12 [ 2746.657771] [] do_exit+0x1bd6/0x20bc [ 2746.716309] [] ? mm_update_next_owner+0x58c/0x58c [ 2746.778204] [] ? fsnotify_perm+0x111/0x11e [ 2746.812928] [] ? __fsnotify_parent+0x229/0x238 [ 2746.867091] [] ? fdput.isra.1+0x2a/0x2f [ 2746.915588] [] ? SyS_write+0x13a/0x174 [ 2746.959372] [] do_group_exit+0x112/0x290 [ 2746.996011] [] SyS_exit_group+0x22/0x22 [ 2747.031229] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2747.080550] ================================================================================ [ 2747.162560] ================================================================================ [ 2747.253230] UBSAN: Undefined behaviour in kernel/sched/fair.c:5597:6 [ 2747.318031] member access within misaligned address ffff8800a2492178 for type 'struct sched_entity' [ 2747.386425] which requires 64 byte alignment [ 2747.410084] CPU: 2 PID: 176 Comm: startpar Tainted: G L 4.8.11 #1 [ 2747.460249] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2747.525792] 00000000ffffffff 00000000e808e7c8 ffff88009eae7a48 ffffffffb26ec5cc [ 2747.635148] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2747.699689] 0000000000000010 ffff88009eae7a70 ffff88009eae7a20 ffffffffb363c3e0 [ 2747.746255] Call Trace: [ 2747.761013] [] dump_stack+0xd7/0x132 [ 2747.789156] [] ? arch_local_irq_restore+0x1b/0x1b [ 2747.826764] [] ubsan_epilogue+0x12/0x53 [ 2747.868046] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2747.922686] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2747.964462] [] ? update_cfs_shares+0x391/0x39d [ 2748.005726] [] set_next_buddy+0x2b/0x117 [ 2748.043966] [] dequeue_task_fair+0x134/0x2a5 [ 2748.086254] [] dequeue_task+0x1be/0x1c9 [ 2748.123732] [] deactivate_task+0xfb/0x104 [ 2748.161625] [] __schedule+0x464/0x126c [ 2748.192802] [] ? io_schedule_timeout+0x33d/0x33d [ 2748.231899] [] ? put_io_context+0x107/0x117 [ 2748.278016] [] ? __validate_process_creds+0x2c5/0x352 [ 2748.328737] [] schedule+0x162/0x1a3 [ 2748.358076] [] do_exit+0x1fff/0x20bc [ 2748.389387] [] ? mm_update_next_owner+0x58c/0x58c [ 2748.428225] [] ? fsnotify_perm+0x111/0x11e [ 2748.470805] [] ? __fsnotify_parent+0x229/0x238 [ 2748.511907] [] ? fdput.isra.1+0x2a/0x2f [ 2748.552598] [] ? SyS_write+0x13a/0x174 [ 2748.586775] [] do_group_exit+0x112/0x290 [ 2748.621030] [] SyS_exit_group+0x22/0x22 [ 2748.659045] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2748.700980] ================================================================================ [ 2748.743497] sched: RT throttling activated [ 2748.886027] ================================================================================ [ 2748.910659] UBSAN: Undefined behaviour in fs/ext4/namei.c:397:38 [ 2748.928320] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2748.956287] which requires 64 byte alignment [ 2748.967258] CPU: 2 PID: 172 Comm: rc Tainted: G L 4.8.11 #1 [ 2748.988425] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2749.015536] 00000000ffffffff 0000000014f383bf ffff88005a5d73d0 ffffffffb26ec5cc [ 2749.041879] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2749.065216] 0000000000000010 ffff88005a5d73f8 ffff88005a5d73a8 ffffffffb363c3e0 [ 2749.088012] Call Trace: [ 2749.094360] [] dump_stack+0xd7/0x132 [ 2749.109684] [] ? arch_local_irq_restore+0x1b/0x1b [ 2749.130139] [] ubsan_epilogue+0x12/0x53 [ 2749.147592] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2749.168837] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2749.190353] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2749.214580] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2749.237052] [] get_dx_countlimit+0x92/0x1f5 [ 2749.250586] [] __ext4_read_dirblock+0x3fb/0x630 [ 2749.270080] [] ? ext4_dirent_csum_verify+0x18e/0x18e [ 2749.291174] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2749.314757] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2749.340843] [] dx_probe+0x43/0x95d [ 2749.356899] [] ext4_find_entry+0x3ec/0x10af [ 2749.374772] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2749.400178] [] ? ext4_search_dir+0x218/0x218 [ 2749.417928] [] ? __d_alloc+0x776/0x7bc [ 2749.431842] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2749.458451] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2749.478600] [] ? d_alloc_parallel+0x837/0x884 [ 2749.494544] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2749.511634] [] ext4_lookup+0x1c1/0x504 [ 2749.528731] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2749.545690] [] lookup_slow+0x271/0x2e1 [ 2749.563721] [] ? d_lookup_done+0x63/0x63 [ 2749.579440] [] walk_component+0x191/0x35a [ 2749.597974] [] ? handle_dots.part.12+0x973/0x973 [ 2749.617361] [] ? nd_jump_root+0x27d/0x28d [ 2749.634758] [] ? path_init+0x93c/0x950 [ 2749.649658] [] path_lookupat+0x1dc/0x373 [ 2749.666242] [] filename_lookup+0x10a/0x1f3 [ 2749.683747] [] ? user_path_parent+0x5b/0x5b [ 2749.698373] [] ? strncpy_from_user+0x2c1/0x307 [ 2749.716869] [] ? getname_flags+0x4f/0x2e0 [ 2749.732187] [] ? do_lock_file_wait+0x23f/0x23f [ 2749.751358] [] user_path_at_empty+0x4c/0x55 [ 2749.767318] [] ? user_path_at_empty+0x4c/0x55 [ 2749.788294] [] vfs_fstatat+0xd3/0x169 [ 2749.802530] [] ? SYSC_fstat+0xe7/0xe7 [ 2749.821993] [] ? ioctl_preallocate+0x209/0x209 [ 2749.841589] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2749.861767] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2749.879510] [] vfs_stat+0x29/0x2e [ 2749.895668] [] SYSC_newstat+0x87/0xf4 [ 2749.910858] [] ? cp_new_stat+0x470/0x470 [ 2749.928777] [] ? map_id_up+0x11c/0x12b [ 2749.946314] [] SyS_newstat+0x27/0x29 [ 2749.960551] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2749.981602] ================================================================================ [ 2750.008388] ================================================================================ [ 2750.031858] UBSAN: Undefined behaviour in fs/ext4/namei.c:402:7 [ 2750.052142] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2750.082292] which requires 64 byte alignment [ 2750.095340] CPU: 2 PID: 172 Comm: rc Tainted: G L 4.8.11 #1 [ 2750.115700] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2750.147009] 00000000ffffffff 0000000014f383bf ffff88005a5d73d0 ffffffffb26ec5cc [ 2750.171159] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2750.195650] ffff880000000010 ffff88005a5d73f8 ffff88005a5d73a8 ffffffffb363c3e0 [ 2750.221472] Call Trace: [ 2750.227694] [] dump_stack+0xd7/0x132 [ 2750.246045] [] ? arch_local_irq_restore+0x1b/0x1b [ 2750.265661] [] ubsan_epilogue+0x12/0x53 [ 2750.285668] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2750.306323] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2750.326550] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2750.349098] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2750.371472] [] get_dx_countlimit+0x13d/0x1f5 [ 2750.393000] [] __ext4_read_dirblock+0x3fb/0x630 [ 2750.411854] [] ? ext4_dirent_csum_verify+0x18e/0x18e [ 2750.434019] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2750.459148] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2750.477917] [] dx_probe+0x43/0x95d [ 2750.491246] [] ext4_find_entry+0x3ec/0x10af [ 2750.508171] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2750.529508] [] ? ext4_search_dir+0x218/0x218 [ 2750.548024] [] ? __d_alloc+0x776/0x7bc [ 2750.566070] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2750.585988] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2750.605707] [] ? d_alloc_parallel+0x837/0x884 [ 2750.621359] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2750.639649] [] ext4_lookup+0x1c1/0x504 [ 2750.655431] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2750.671037] [] lookup_slow+0x271/0x2e1 [ 2750.686460] [] ? d_lookup_done+0x63/0x63 [ 2750.704504] [] walk_component+0x191/0x35a [ 2750.721805] [] ? handle_dots.part.12+0x973/0x973 [ 2750.739020] [] ? nd_jump_root+0x27d/0x28d [ 2750.758644] [] ? path_init+0x93c/0x950 [ 2750.774270] [] path_lookupat+0x1dc/0x373 [ 2750.789555] [] filename_lookup+0x10a/0x1f3 [ 2750.807273] [] ? user_path_parent+0x5b/0x5b [ 2750.827916] [] ? strncpy_from_user+0x2c1/0x307 [ 2750.848090] [] ? getname_flags+0x4f/0x2e0 [ 2750.864102] [] ? do_lock_file_wait+0x23f/0x23f [ 2750.886146] [] user_path_at_empty+0x4c/0x55 [ 2750.907066] [] ? user_path_at_empty+0x4c/0x55 [ 2750.927198] [] vfs_fstatat+0xd3/0x169 [ 2750.944194] [] ? SYSC_fstat+0xe7/0xe7 [ 2750.961123] [] ? ioctl_preallocate+0x209/0x209 [ 2750.979043] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2751.001573] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2751.024693] [] vfs_stat+0x29/0x2e [ 2751.038738] [] SYSC_newstat+0x87/0xf4 [ 2751.056172] [] ? cp_new_stat+0x470/0x470 [ 2751.071141] [] ? map_id_up+0x11c/0x12b [ 2751.090318] [] SyS_newstat+0x27/0x29 [ 2751.107497] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2751.127546] ================================================================================ [ 2751.154925] ================================================================================ [ 2751.181248] UBSAN: Undefined behaviour in fs/ext4/namei.c:453:6 [ 2751.198191] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2751.225380] which requires 64 byte alignment [ 2751.240915] CPU: 2 PID: 172 Comm: rc Tainted: G L 4.8.11 #1 [ 2751.263424] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2751.295688] 00000000ffffffff 0000000014f383bf ffff88005a5d7418 ffffffffb26ec5cc [ 2751.323598] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2751.344476] 0000000000000010 ffff88005a5d7440 ffff88005a5d73f0 ffffffffb363c3e0 [ 2751.366308] Call Trace: [ 2751.376028] [] dump_stack+0xd7/0x132 [ 2751.394499] [] ? arch_local_irq_restore+0x1b/0x1b [ 2751.411856] [] ubsan_epilogue+0x12/0x53 [ 2751.429585] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2751.455081] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2751.476454] [] ? get_dx_countlimit+0x1e5/0x1f5 [ 2751.490398] [] __ext4_read_dirblock+0x4da/0x630 [ 2751.509885] [] ? ext4_dirent_csum_verify+0x18e/0x18e [ 2751.527983] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2751.550693] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2751.576873] [] dx_probe+0x43/0x95d [ 2751.591791] [] ext4_find_entry+0x3ec/0x10af [ 2751.611284] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2751.634766] [] ? ext4_search_dir+0x218/0x218 [ 2751.656007] [] ? __d_alloc+0x776/0x7bc [ 2751.670609] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2751.690039] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2751.712698] [] ? d_alloc_parallel+0x837/0x884 [ 2751.730949] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2751.748865] [] ext4_lookup+0x1c1/0x504 [ 2751.765017] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2751.786179] [] lookup_slow+0x271/0x2e1 [ 2751.801176] [] ? d_lookup_done+0x63/0x63 [ 2751.821324] [] walk_component+0x191/0x35a [ 2751.840077] [] ? handle_dots.part.12+0x973/0x973 [ 2751.858118] [] ? nd_jump_root+0x27d/0x28d [ 2751.876817] [] ? path_init+0x93c/0x950 [ 2751.895140] [] path_lookupat+0x1dc/0x373 [ 2751.908849] [] filename_lookup+0x10a/0x1f3 [ 2751.929045] [] ? user_path_parent+0x5b/0x5b [ 2751.947852] [] ? strncpy_from_user+0x2c1/0x307 [ 2751.967032] [] ? getname_flags+0x4f/0x2e0 [ 2751.988618] [] ? do_lock_file_wait+0x23f/0x23f [ 2752.007632] [] user_path_at_empty+0x4c/0x55 [ 2752.026575] [] ? user_path_at_empty+0x4c/0x55 [ 2752.045034] [] vfs_fstatat+0xd3/0x169 [ 2752.063287] [] ? SYSC_fstat+0xe7/0xe7 [ 2752.080045] [] ? ioctl_preallocate+0x209/0x209 [ 2752.097620] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2752.120560] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2752.142423] [] vfs_stat+0x29/0x2e [ 2752.158774] [] SYSC_newstat+0x87/0xf4 [ 2752.173018] [] ? cp_new_stat+0x470/0x470 [ 2752.190051] [] ? map_id_up+0x11c/0x12b [ 2752.208657] [] SyS_newstat+0x27/0x29 [ 2752.222689] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2752.241164] ================================================================================ [ 2752.265610] ================================================================================ [ 2752.289780] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2752.309058] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2752.339140] which requires 64 byte alignment [ 2752.349744] CPU: 2 PID: 172 Comm: rc Tainted: G L 4.8.11 #1 [ 2752.374083] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2752.409457] 00000000ffffffff 0000000014f383bf ffff88005a5d7368 ffffffffb26ec5cc [ 2752.434797] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2752.461918] ffffffff00000010 ffff88005a5d7390 ffff88005a5d7340 ffffffffb363c3e0 [ 2752.483985] Call Trace: [ 2752.493105] [] dump_stack+0xd7/0x132 [ 2752.510017] [] ? arch_local_irq_restore+0x1b/0x1b [ 2752.535610] [] ubsan_epilogue+0x12/0x53 [ 2752.561435] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2752.623337] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2752.744383] [] ? ubsan_epilogue+0x26/0x53 [ 2752.792610] [] ? arch_local_irq_restore+0x6/0xd [ 2752.843331] [] ext4_dx_csum+0xd0/0x198 [ 2752.879214] [] ? ext4_chksum+0x17a/0x17a [ 2752.903899] [] ? get_dx_countlimit+0x1e5/0x1f5 [ 2752.934575] [] __ext4_read_dirblock+0x564/0x630 [ 2752.962625] [] ? ext4_dirent_csum_verify+0x18e/0x18e [ 2753.002034] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2753.044512] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2753.083218] [] dx_probe+0x43/0x95d [ 2753.101204] [] ext4_find_entry+0x3ec/0x10af [ 2753.126091] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2753.149937] [] ? ext4_search_dir+0x218/0x218 [ 2753.174299] [] ? __d_alloc+0x776/0x7bc [ 2753.197242] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2753.225067] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2753.249326] [] ? d_alloc_parallel+0x837/0x884 [ 2753.277739] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2753.297667] [] ext4_lookup+0x1c1/0x504 [ 2753.315727] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2753.342910] [] lookup_slow+0x271/0x2e1 [ 2753.361999] [] ? d_lookup_done+0x63/0x63 [ 2753.382444] [] walk_component+0x191/0x35a [ 2753.404594] [] ? handle_dots.part.12+0x973/0x973 [ 2753.426152] [] ? nd_jump_root+0x27d/0x28d [ 2753.440332] [] ? path_init+0x93c/0x950 [ 2753.458170] [] path_lookupat+0x1dc/0x373 [ 2753.474962] [] filename_lookup+0x10a/0x1f3 [ 2753.494595] [] ? user_path_parent+0x5b/0x5b [ 2753.513225] [] ? strncpy_from_user+0x2c1/0x307 [ 2753.533514] [] ? getname_flags+0x4f/0x2e0 [ 2753.553674] [] ? do_lock_file_wait+0x23f/0x23f [ 2753.569465] [] user_path_at_empty+0x4c/0x55 [ 2753.587970] [] ? user_path_at_empty+0x4c/0x55 [ 2753.608594] [] vfs_fstatat+0xd3/0x169 [ 2753.623861] [] ? SYSC_fstat+0xe7/0xe7 [ 2753.645014] [] ? ioctl_preallocate+0x209/0x209 [ 2753.667374] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2753.692523] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2753.712536] [] vfs_stat+0x29/0x2e [ 2753.731223] [] SYSC_newstat+0x87/0xf4 [ 2753.753561] [] ? cp_new_stat+0x470/0x470 [ 2753.775071] [] ? map_id_up+0x11c/0x12b [ 2753.800208] [] SyS_newstat+0x27/0x29 [ 2753.824335] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2753.852202] ================================================================================ [ 2753.891229] ================================================================================ [ 2753.931287] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2753.952392] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2753.992717] which requires 64 byte alignment [ 2754.007948] CPU: 2 PID: 172 Comm: rc Tainted: G L 4.8.11 #1 [ 2754.032998] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2754.070782] 00000000ffffffff 0000000014f383bf ffff88005a5d74e8 ffffffffb26ec5cc [ 2754.101101] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2754.128242] ffff880000000010 ffff88005a5d7510 ffff88005a5d74c0 ffffffffb363c3e0 [ 2754.154689] Call Trace: [ 2754.165923] [] dump_stack+0xd7/0x132 [ 2754.189361] [] ? arch_local_irq_restore+0x1b/0x1b [ 2754.211438] [] ubsan_epilogue+0x12/0x53 [ 2754.229315] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2754.256865] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2754.283837] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2754.307885] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2754.426319] [] dx_probe+0x1f1/0x95d [ 2754.484446] [] ext4_find_entry+0x3ec/0x10af [ 2754.517006] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2754.544228] [] ? ext4_search_dir+0x218/0x218 [ 2754.562105] [] ? __d_alloc+0x776/0x7bc [ 2754.579245] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2754.603955] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2754.626382] [] ? d_alloc_parallel+0x837/0x884 [ 2754.643543] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2754.663422] [] ext4_lookup+0x1c1/0x504 [ 2754.680830] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2754.706408] [] lookup_slow+0x271/0x2e1 [ 2754.727404] [] ? d_lookup_done+0x63/0x63 [ 2754.748033] [] walk_component+0x191/0x35a [ 2754.764254] [] ? handle_dots.part.12+0x973/0x973 [ 2754.787222] [] ? nd_jump_root+0x27d/0x28d [ 2754.809952] [] ? path_init+0x93c/0x950 [ 2754.826637] [] path_lookupat+0x1dc/0x373 [ 2754.845699] [] filename_lookup+0x10a/0x1f3 [ 2754.865126] [] ? user_path_parent+0x5b/0x5b [ 2754.883658] [] ? strncpy_from_user+0x2c1/0x307 [ 2754.903038] [] ? getname_flags+0x4f/0x2e0 [ 2754.918600] [] ? do_lock_file_wait+0x23f/0x23f [ 2754.939956] [] user_path_at_empty+0x4c/0x55 [ 2754.961423] [] ? user_path_at_empty+0x4c/0x55 [ 2754.980468] [] vfs_fstatat+0xd3/0x169 [ 2754.998765] [] ? SYSC_fstat+0xe7/0xe7 [ 2755.017395] [] ? ioctl_preallocate+0x209/0x209 [ 2755.035882] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2755.060512] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2755.087159] [] vfs_stat+0x29/0x2e [ 2755.102254] [] SYSC_newstat+0x87/0xf4 [ 2755.121002] [] ? cp_new_stat+0x470/0x470 [ 2755.136015] [] ? map_id_up+0x11c/0x12b [ 2755.154422] [] SyS_newstat+0x27/0x29 [ 2755.172972] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2755.192973] ================================================================================ [ 2755.218658] ================================================================================ [ 2755.247603] UBSAN: Undefined behaviour in fs/ext4/namei.c:757:44 [ 2755.267090] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2755.295111] which requires 64 byte alignment [ 2755.311153] CPU: 2 PID: 172 Comm: rc Tainted: G L 4.8.11 #1 [ 2755.334266] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2755.362004] 00000000ffffffff 0000000014f383bf ffff88005a5d74e8 ffffffffb26ec5cc [ 2755.387703] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2755.413291] ffffffff00000010 ffff88005a5d7510 ffff88005a5d74c0 ffffffffb363c3e0 [ 2755.435925] Call Trace: [ 2755.446401] [] dump_stack+0xd7/0x132 [ 2755.464176] [] ? arch_local_irq_restore+0x1b/0x1b [ 2755.485582] [] ubsan_epilogue+0x12/0x53 [ 2755.507730] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2755.537984] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2755.578730] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2755.612999] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2755.648926] [] dx_probe+0x22c/0x95d [ 2755.678801] [] ext4_find_entry+0x3ec/0x10af [ 2755.704602] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2755.737443] [] ? ext4_search_dir+0x218/0x218 [ 2755.760472] [] ? __d_alloc+0x776/0x7bc [ 2755.779293] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2755.806033] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2755.829912] [] ? d_alloc_parallel+0x837/0x884 [ 2755.848652] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2755.868418] [] ext4_lookup+0x1c1/0x504 [ 2755.885043] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2755.908290] [] lookup_slow+0x271/0x2e1 [ 2755.926807] [] ? d_lookup_done+0x63/0x63 [ 2755.945880] [] walk_component+0x191/0x35a [ 2755.963615] [] ? handle_dots.part.12+0x973/0x973 [ 2755.983983] [] ? nd_jump_root+0x27d/0x28d [ 2755.998450] [] ? path_init+0x93c/0x950 [ 2756.017738] [] path_lookupat+0x1dc/0x373 [ 2756.047391] [] filename_lookup+0x10a/0x1f3 [ 2756.071759] [] ? user_path_parent+0x5b/0x5b [ 2756.107834] [] ? strncpy_from_user+0x2c1/0x307 [ 2756.134702] [] ? getname_flags+0x4f/0x2e0 [ 2756.163504] [] ? do_lock_file_wait+0x23f/0x23f [ 2756.189187] [] user_path_at_empty+0x4c/0x55 [ 2756.209156] [] ? user_path_at_empty+0x4c/0x55 [ 2756.233798] [] vfs_fstatat+0xd3/0x169 [ 2756.277927] [] ? SYSC_fstat+0xe7/0xe7 [ 2756.302167] [] ? ioctl_preallocate+0x209/0x209 [ 2756.350294] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2756.396212] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2756.432327] [] vfs_stat+0x29/0x2e [ 2756.453958] [] SYSC_newstat+0x87/0xf4 [ 2756.478391] [] ? cp_new_stat+0x470/0x470 [ 2756.496529] [] ? map_id_up+0x11c/0x12b [ 2756.524009] [] SyS_newstat+0x27/0x29 [ 2756.552140] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2756.585177] ================================================================================ [ 2756.631745] ================================================================================ [ 2756.664093] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2756.690024] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2756.734082] which requires 64 byte alignment [ 2756.756260] CPU: 2 PID: 172 Comm: rc Tainted: G L 4.8.11 #1 [ 2756.811798] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2756.936084] 00000000ffffffff 0000000014f383bf ffff88005a5d74e8 ffffffffb26ec5cc [ 2756.971207] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2757.027901] ffffffff00000010 ffff88005a5d7510 ffff88005a5d74c0 ffffffffb363c3e0 [ 2757.077411] Call Trace: [ 2757.089036] [] dump_stack+0xd7/0x132 [ 2757.113623] [] ? arch_local_irq_restore+0x1b/0x1b [ 2757.195441] [] ubsan_epilogue+0x12/0x53 [ 2757.225493] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2757.262088] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2757.293885] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2757.319882] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2757.353083] [] dx_probe+0x2bf/0x95d [ 2757.375320] [] ext4_find_entry+0x3ec/0x10af [ 2757.396717] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2757.431343] [] ? ext4_search_dir+0x218/0x218 [ 2757.452139] [] ? __d_alloc+0x776/0x7bc [ 2757.468426] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2757.492637] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2757.513810] [] ? d_alloc_parallel+0x837/0x884 [ 2757.537509] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2757.565821] [] ext4_lookup+0x1c1/0x504 [ 2757.625990] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2757.677477] [] lookup_slow+0x271/0x2e1 [ 2757.700298] [] ? d_lookup_done+0x63/0x63 [ 2757.729937] [] walk_component+0x191/0x35a [ 2757.755507] [] ? handle_dots.part.12+0x973/0x973 [ 2757.787830] [] ? nd_jump_root+0x27d/0x28d [ 2757.816539] [] ? path_init+0x93c/0x950 [ 2757.848224] [] path_lookupat+0x1dc/0x373 [ 2757.871474] [] filename_lookup+0x10a/0x1f3 [ 2757.898697] [] ? user_path_parent+0x5b/0x5b [ 2757.930468] [] ? strncpy_from_user+0x2c1/0x307 [ 2757.960190] [] ? getname_flags+0x4f/0x2e0 [ 2757.983624] [] ? do_lock_file_wait+0x23f/0x23f [ 2758.013129] [] user_path_at_empty+0x4c/0x55 [ 2758.036152] [] ? user_path_at_empty+0x4c/0x55 [ 2758.065109] [] vfs_fstatat+0xd3/0x169 [ 2758.086653] [] ? SYSC_fstat+0xe7/0xe7 [ 2758.105259] [] ? ioctl_preallocate+0x209/0x209 [ 2758.126999] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2758.159302] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2758.188283] [] vfs_stat+0x29/0x2e [ 2758.210265] [] SYSC_newstat+0x87/0xf4 [ 2758.232576] [] ? cp_new_stat+0x470/0x470 [ 2758.254622] [] ? map_id_up+0x11c/0x12b [ 2758.278916] [] SyS_newstat+0x27/0x29 [ 2758.299987] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2758.322164] ================================================================================ [ 2758.354063] ================================================================================ [ 2758.381105] UBSAN: Undefined behaviour in fs/ext4/namei.c:556:34 [ 2758.410822] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2758.522822] which requires 64 byte alignment [ 2758.564479] CPU: 2 PID: 172 Comm: rc Tainted: G L 4.8.11 #1 [ 2758.616666] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2758.677681] 00000000ffffffff 0000000014f383bf ffff88005a5d74c0 ffffffffb26ec5cc [ 2758.705834] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2758.761635] 0000000000000010 ffff88005a5d74e8 ffff88005a5d7498 ffffffffb363c3e0 [ 2758.824233] Call Trace: [ 2758.837409] [] dump_stack+0xd7/0x132 [ 2758.857948] [] ? arch_local_irq_restore+0x1b/0x1b [ 2758.879574] [] ubsan_epilogue+0x12/0x53 [ 2758.904543] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2758.927744] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2758.954701] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2758.979534] [] dx_root_limit+0x56/0xb0 [ 2758.997455] [] dx_probe+0x4fd/0x95d [ 2759.018462] [] ext4_find_entry+0x3ec/0x10af [ 2759.042968] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2759.071456] [] ? ext4_search_dir+0x218/0x218 [ 2759.092813] [] ? __d_alloc+0x776/0x7bc [ 2759.111279] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2759.134186] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2759.153815] [] ? d_alloc_parallel+0x837/0x884 [ 2759.176282] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2759.196636] [] ext4_lookup+0x1c1/0x504 [ 2759.214014] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2759.237649] [] lookup_slow+0x271/0x2e1 [ 2759.256494] [] ? d_lookup_done+0x63/0x63 [ 2759.277274] [] walk_component+0x191/0x35a [ 2759.295565] [] ? handle_dots.part.12+0x973/0x973 [ 2759.316153] [] ? nd_jump_root+0x27d/0x28d [ 2759.339402] [] ? path_init+0x93c/0x950 [ 2759.358972] [] path_lookupat+0x1dc/0x373 [ 2759.376853] [] filename_lookup+0x10a/0x1f3 [ 2759.396370] [] ? user_path_parent+0x5b/0x5b [ 2759.415351] [] ? strncpy_from_user+0x2c1/0x307 [ 2759.435840] [] ? getname_flags+0x4f/0x2e0 [ 2759.454805] [] ? do_lock_file_wait+0x23f/0x23f [ 2759.476834] [] user_path_at_empty+0x4c/0x55 [ 2759.493508] [] ? user_path_at_empty+0x4c/0x55 [ 2759.512921] [] vfs_fstatat+0xd3/0x169 [ 2759.530733] [] ? SYSC_fstat+0xe7/0xe7 [ 2759.551487] [] ? ioctl_preallocate+0x209/0x209 [ 2759.571421] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2759.595506] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2759.618173] [] vfs_stat+0x29/0x2e [ 2759.638708] [] SYSC_newstat+0x87/0xf4 [ 2759.657331] [] ? cp_new_stat+0x470/0x470 [ 2759.676258] [] ? map_id_up+0x11c/0x12b [ 2759.696151] [] SyS_newstat+0x27/0x29 [ 2759.713403] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2759.736917] ================================================================================ [ 2759.801718] ================================================================================ [ 2759.834740] UBSAN: Undefined behaviour in fs/ext4/namei.c:120:18 [ 2759.858861] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2759.980064] which requires 64 byte alignment [ 2760.017367] CPU: 3 PID: 172 Comm: rc Tainted: G L 4.8.11 #1 [ 2760.151380] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2760.255789] 00000000ffffffff 0000000014f383bf ffff88005a5d7470 ffffffffb26ec5cc [ 2760.286358] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2760.328573] 0000000000000010 ffff88005a5d7498 ffff88005a5d7448 ffffffffb363c3e0 [ 2760.363562] Call Trace: [ 2760.378957] [] dump_stack+0xd7/0x132 [ 2760.519191] [] ? arch_local_irq_restore+0x1b/0x1b [ 2760.683562] [] ubsan_epilogue+0x12/0x53 [ 2760.719210] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2760.753205] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2760.793771] [] __ext4_read_dirblock+0x243/0x630 [ 2760.844160] [] ? ext4_dirent_csum_verify+0x18e/0x18e [ 2760.895009] [] ? dx_probe+0x94b/0x95d [ 2760.918250] [] ext4_find_entry+0x4a8/0x10af [ 2760.943403] [] ? ext4_search_dir+0x218/0x218 [ 2760.970335] [] ? __d_alloc+0x776/0x7bc [ 2760.993287] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2761.018406] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2761.040078] [] ? d_alloc_parallel+0x837/0x884 [ 2761.063989] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2761.091056] [] ext4_lookup+0x1c1/0x504 [ 2761.115347] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2761.143012] [] lookup_slow+0x271/0x2e1 [ 2761.164271] [] ? d_lookup_done+0x63/0x63 [ 2761.183500] [] walk_component+0x191/0x35a [ 2761.206982] [] ? handle_dots.part.12+0x973/0x973 [ 2761.231973] [] ? nd_jump_root+0x27d/0x28d [ 2761.252308] [] ? path_init+0x93c/0x950 [ 2761.277497] [] path_lookupat+0x1dc/0x373 [ 2761.316796] [] filename_lookup+0x10a/0x1f3 [ 2761.357261] [] ? user_path_parent+0x5b/0x5b [ 2761.396982] [] ? strncpy_from_user+0x2c1/0x307 [ 2761.433574] [] ? getname_flags+0x4f/0x2e0 [ 2761.464720] [] ? do_lock_file_wait+0x23f/0x23f [ 2761.498062] [] user_path_at_empty+0x4c/0x55 [ 2761.516100] [] ? user_path_at_empty+0x4c/0x55 [ 2761.538418] [] vfs_fstatat+0xd3/0x169 [ 2761.559817] [] ? SYSC_fstat+0xe7/0xe7 [ 2761.581370] [] ? ioctl_preallocate+0x209/0x209 [ 2761.602020] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2761.627067] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2761.654263] [] vfs_stat+0x29/0x2e [ 2761.668829] [] SYSC_newstat+0x87/0xf4 [ 2761.686908] [] ? cp_new_stat+0x470/0x470 [ 2761.706208] [] ? map_id_up+0x11c/0x12b [ 2761.727317] [] SyS_newstat+0x27/0x29 [ 2761.751317] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2761.776870] ================================================================================ [ 2761.812378] ================================================================================ [ 2761.845400] UBSAN: Undefined behaviour in fs/ext4/namei.c:121:16 [ 2761.869115] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2761.899572] which requires 64 byte alignment [ 2761.916640] CPU: 3 PID: 172 Comm: rc Tainted: G L 4.8.11 #1 [ 2761.938792] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2761.975804] 00000000ffffffff 0000000014f383bf ffff88005a5d7470 ffffffffb26ec5cc [ 2762.003910] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2762.035010] ffff880000000010 ffff88005a5d7498 ffff88005a5d7448 ffffffffb363c3e0 [ 2762.069791] Call Trace: [ 2762.083723] [] dump_stack+0xd7/0x132 [ 2762.107993] [] ? arch_local_irq_restore+0x1b/0x1b [ 2762.139312] [] ubsan_epilogue+0x12/0x53 [ 2762.166919] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2762.202276] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2762.236792] [] __ext4_read_dirblock+0x2cc/0x630 [ 2762.267540] [] ? ext4_dirent_csum_verify+0x18e/0x18e [ 2762.303926] [] ? dx_probe+0x94b/0x95d [ 2762.324401] [] ext4_find_entry+0x4a8/0x10af [ 2762.350773] [] ? ext4_search_dir+0x218/0x218 [ 2762.375501] [] ? __d_alloc+0x776/0x7bc [ 2762.396380] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2762.420811] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2762.492823] [] ? d_alloc_parallel+0x837/0x884 [ 2762.570857] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2762.670089] [] ext4_lookup+0x1c1/0x504 [ 2762.818777] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2762.883286] [] lookup_slow+0x271/0x2e1 [ 2762.925010] [] ? d_lookup_done+0x63/0x63 [ 2762.968457] [] walk_component+0x191/0x35a [ 2762.996702] [] ? handle_dots.part.12+0x973/0x973 [ 2763.020717] [] ? nd_jump_root+0x27d/0x28d [ 2763.047823] [] ? path_init+0x93c/0x950 [ 2763.078401] [] path_lookupat+0x1dc/0x373 [ 2763.101508] [] filename_lookup+0x10a/0x1f3 [ 2763.135708] [] ? user_path_parent+0x5b/0x5b [ 2763.260526] [] ? strncpy_from_user+0x2c1/0x307 [ 2763.418762] [] ? getname_flags+0x4f/0x2e0 [ 2763.497300] [] ? do_lock_file_wait+0x23f/0x23f [ 2763.619939] [] user_path_at_empty+0x4c/0x55 [ 2763.769160] [] ? user_path_at_empty+0x4c/0x55 [ 2763.830772] [] vfs_fstatat+0xd3/0x169 [ 2763.854165] [] ? SYSC_fstat+0xe7/0xe7 [ 2763.883343] [] ? ioctl_preallocate+0x209/0x209 [ 2763.932399] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2763.967527] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2764.038837] [] vfs_stat+0x29/0x2e [ 2764.135523] [] SYSC_newstat+0x87/0xf4 [ 2764.483080] [] ? cp_new_stat+0x470/0x470 [ 2764.554025] [] ? map_id_up+0x11c/0x12b [ 2764.639212] [] SyS_newstat+0x27/0x29 [ 2764.708143] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2764.787463] ================================================================================ [ 2764.852547] ================================================================================ [ 2764.902367] UBSAN: Undefined behaviour in fs/ext4/namei.c:1535:16 [ 2764.967164] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2765.016998] which requires 64 byte alignment [ 2765.065893] CPU: 3 PID: 172 Comm: rc Tainted: G L 4.8.11 #1 [ 2765.237188] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2765.538692] 00000000ffffffff 0000000014f383bf ffff88005a5d7540 ffffffffb26ec5cc [ 2765.587893] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2765.625518] ffff880000000010 ffff88005a5d7568 ffff88005a5d7518 ffffffffb363c3e0 [ 2765.678818] Call Trace: [ 2765.688907] [] dump_stack+0xd7/0x132 [ 2765.716071] [] ? arch_local_irq_restore+0x1b/0x1b [ 2765.748543] [] ubsan_epilogue+0x12/0x53 [ 2765.771416] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2765.800273] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2765.826316] [] ? dx_probe+0x94b/0x95d [ 2765.849579] [] ext4_find_entry+0x4e2/0x10af [ 2765.870320] [] ? ext4_search_dir+0x218/0x218 [ 2765.898416] [] ? __d_alloc+0x776/0x7bc [ 2765.921198] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2765.952685] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2765.984669] [] ? d_alloc_parallel+0x837/0x884 [ 2766.013141] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2766.044053] [] ext4_lookup+0x1c1/0x504 [ 2766.067710] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2766.100341] [] lookup_slow+0x271/0x2e1 [ 2766.125254] [] ? d_lookup_done+0x63/0x63 [ 2766.151538] [] walk_component+0x191/0x35a [ 2766.321095] [] ? handle_dots.part.12+0x973/0x973 [ 2766.555941] [] ? nd_jump_root+0x27d/0x28d [ 2766.601741] [] ? path_init+0x93c/0x950 [ 2766.619149] [] path_lookupat+0x1dc/0x373 [ 2766.648843] [] filename_lookup+0x10a/0x1f3 [ 2766.697428] [] ? user_path_parent+0x5b/0x5b [ 2766.728633] [] ? strncpy_from_user+0x2c1/0x307 [ 2766.755631] [] ? getname_flags+0x4f/0x2e0 [ 2766.785719] [] ? do_lock_file_wait+0x23f/0x23f [ 2766.809775] [] user_path_at_empty+0x4c/0x55 [ 2766.837719] [] ? user_path_at_empty+0x4c/0x55 [ 2766.867293] [] vfs_fstatat+0xd3/0x169 [ 2766.885719] [] ? SYSC_fstat+0xe7/0xe7 [ 2766.912049] [] ? ioctl_preallocate+0x209/0x209 [ 2766.940492] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2766.976084] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2767.008558] [] vfs_stat+0x29/0x2e [ 2767.064520] [] SYSC_newstat+0x87/0xf4 [ 2767.163068] [] ? cp_new_stat+0x470/0x470 [ 2767.300587] [] ? map_id_up+0x11c/0x12b [ 2767.332639] [] SyS_newstat+0x27/0x29 [ 2767.355674] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2767.386576] ================================================================================ [ 2767.451823] ================================================================================ [ 2767.501419] UBSAN: Undefined behaviour in fs/ext4/namei.c:1160:50 [ 2767.524245] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2767.571154] which requires 64 byte alignment [ 2767.593622] CPU: 3 PID: 172 Comm: rc Tainted: G L 4.8.11 #1 [ 2767.683178] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2767.768728] 00000000ffffffff 0000000014f383bf ffff88005a5d7540 ffffffffb26ec5cc [ 2767.821022] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2767.864691] ffff880000000010 ffff88005a5d7568 ffff88005a5d7518 ffffffffb363c3e0 [ 2767.899335] Call Trace: [ 2767.913979] [] dump_stack+0xd7/0x132 [ 2767.934807] [] ? arch_local_irq_restore+0x1b/0x1b [ 2767.969895] [] ubsan_epilogue+0x12/0x53 [ 2767.990020] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2768.025135] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2768.066444] [] ? dx_probe+0x94b/0x95d [ 2768.085678] [] ext4_find_entry+0x569/0x10af [ 2768.116815] [] ? ext4_search_dir+0x218/0x218 [ 2768.147395] [] ? __d_alloc+0x776/0x7bc [ 2768.168869] [] ? shrink_dcache_for_umount+0x13c/0x13c [ 2768.200806] [] ? hlist_bl_set_first_rcu+0xe3/0x118 [ 2768.229292] [] ? d_alloc_parallel+0x837/0x884 [ 2768.253429] [] ? __d_lookup_rcu+0x3dd/0x3dd [ 2768.282759] [] ext4_lookup+0x1c1/0x504 [ 2768.312475] [] ? ext4_cross_rename+0xcb7/0xcb7 [ 2768.339113] [] lookup_slow+0x271/0x2e1 [ 2768.369220] [] ? d_lookup_done+0x63/0x63 [ 2768.401802] [] walk_component+0x191/0x35a [ 2768.431501] [] ? handle_dots.part.12+0x973/0x973 [ 2768.461896] [] ? nd_jump_root+0x27d/0x28d [ 2768.493342] [] ? path_init+0x93c/0x950 [ 2768.519709] [] path_lookupat+0x1dc/0x373 [ 2768.550681] [] filename_lookup+0x10a/0x1f3 [ 2768.574869] [] ? user_path_parent+0x5b/0x5b [ 2768.603847] [] ? strncpy_from_user+0x2c1/0x307 [ 2768.635900] [] ? getname_flags+0x4f/0x2e0 [ 2768.661451] [] ? do_lock_file_wait+0x23f/0x23f [ 2768.682723] [] user_path_at_empty+0x4c/0x55 [ 2768.707913] [] ? user_path_at_empty+0x4c/0x55 [ 2768.731167] [] vfs_fstatat+0xd3/0x169 [ 2768.753052] [] ? SYSC_fstat+0xe7/0xe7 [ 2768.774786] [] ? ioctl_preallocate+0x209/0x209 [ 2768.802735] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2768.830878] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2768.866119] [] vfs_stat+0x29/0x2e [ 2768.885100] [] SYSC_newstat+0x87/0xf4 [ 2768.906377] [] ? cp_new_stat+0x470/0x470 [ 2768.931917] [] ? map_id_up+0x11c/0x12b [ 2768.953527] [] SyS_newstat+0x27/0x29 [ 2768.975092] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2769.001395] ================================================================================ [info] Using makefile-style concurrent boot in runlevel S. [ 2769.537239] ================================================================================ [ 2769.577181] UBSAN: Undefined behaviour in net/socket.c:578:44 [ 2769.602801] member access within misaligned address ffff88005b4dd658 for type 'struct socket_wq' [ 2769.644640] which requires 64 byte alignment [ 2769.660021] CPU: 2 PID: 182 Comm: startpar Tainted: G L 4.8.11 #1 [ 2769.688268] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2769.734317] 00000000ffffffff 000000002ffda90b ffff8800a05efd20 ffffffffb26ec5cc [ 2769.764351] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2769.806595] 0000000000000010 ffff8800a05efd48 ffff8800a05efcf8 ffffffffb363c3e0 [ 2769.840608] Call Trace: [ 2769.853333] [] dump_stack+0xd7/0x132 [ 2769.886330] [] ? arch_local_irq_restore+0x1b/0x1b [ 2769.921416] [] ubsan_epilogue+0x12/0x53 [ 2769.950630] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2769.986137] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2770.023477] [] ? sock_release+0x1ef/0x1ef [ 2770.056573] [] sock_release+0x14c/0x1ef [ 2770.083493] [] sock_close+0x1b/0x20 [ 2770.107496] [] __fput+0x38b/0x68b [ 2770.136712] [] ____fput+0x1c/0x1e [ 2770.156233] [] task_work_run+0x11e/0x140 [ 2770.185649] [] prepare_exit_to_usermode+0x177/0x1d9 [ 2770.218364] [] syscall_return_slowpath+0x1b4/0x247 [ 2770.250647] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 2770.281578] ================================================================================ [ 2770.327531] ================================================================================ [ 2770.371243] UBSAN: Undefined behaviour in ./include/linux/backing-dev.h:188:11 [ 2770.404988] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2770.450258] which requires 64 byte alignment [ 2770.470884] CPU: 2 PID: 182 Comm: startpar Tainted: G L 4.8.11 #1 [ 2770.499610] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2770.539911] 00000000ffffffff 000000002ffda90b ffff8800a05efe10 ffffffffb26ec5cc [ 2770.576996] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2770.616813] ffff880000000010 ffff8800a05efe38 ffff8800a05efde8 ffffffffb363c3e0 [ 2770.654902] Call Trace: [ 2770.664367] [] dump_stack+0xd7/0x132 [ 2770.688277] [] ? arch_local_irq_restore+0x1b/0x1b [ 2770.722188] [] ubsan_epilogue+0x12/0x53 [ 2770.745347] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2770.775088] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2770.806380] [] ? __fget_light+0xe6/0xf0 [ 2770.832723] [] SYSC_fadvise64_64+0x21d/0x57e [ 2770.855808] [] SyS_fadvise64+0x37/0x39 [ 2770.887723] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2770.920270] ================================================================================ [ 2770.967088] ================================================================================ [ 2771.004066] UBSAN: Undefined behaviour in ./include/linux/backing-dev.h:188:11 [ 2771.038863] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2771.078376] which requires 64 byte alignment [ 2771.099856] CPU: 2 PID: 182 Comm: startpar Tainted: G L 4.8.11 #1 [ 2771.135448] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2771.181727] 00000000ffffffff 000000002ffda90b ffff8800a05efcf0 ffffffffb26ec5cc [ 2771.214426] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2771.250271] 0000000000000010 ffff8800a05efd18 ffff8800a05efcc8 ffffffffb363c3e0 [ 2771.284415] Call Trace: [ 2771.302659] [] dump_stack+0xd7/0x132 [ 2771.332195] [] ? arch_local_irq_restore+0x1b/0x1b [ 2771.357288] [] ubsan_epilogue+0x12/0x53 [ 2771.387021] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2771.416777] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2771.453603] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2771.483040] [] ? __fsnotify_parent+0x229/0x238 [ 2771.507112] [] inode_to_bdi+0x93/0xb9 [ 2771.535306] [] ? __filemap_fdatawrite_range+0xd6/0x201 [ 2771.566623] [] __filemap_fdatawrite_range+0xde/0x201 [ 2771.597723] [] ? replace_page_cache_page+0x235/0x235 [ 2771.633309] [] ? wb_congested+0x116/0x123 [ 2771.655093] [] ? __fget_light+0xe6/0xf0 [ 2771.681370] [] SYSC_fadvise64_64+0x4ae/0x57e [ 2771.714916] [] SyS_fadvise64+0x37/0x39 [ 2771.740719] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2771.772964] ================================================================================ [ 2771.826289] ================================================================================ [ 2771.868004] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2771.902532] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2771.948345] which requires 64 byte alignment [ 2771.969035] CPU: 2 PID: 182 Comm: startpar Tainted: G L 4.8.11 #1 [ 2772.000997] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2772.040634] 00000000ffffffff 000000002ffda90b ffff8800a05efa98 ffffffffb26ec5cc [ 2772.075742] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2772.129759] ffffffff00000010 ffff8800a05efac0 ffff8800a05efa70 ffffffffb363c3e0 [ 2772.166299] Call Trace: [ 2772.179785] [] dump_stack+0xd7/0x132 [ 2772.207380] [] ? arch_local_irq_restore+0x1b/0x1b [ 2772.291981] [] ubsan_epilogue+0x12/0x53 [ 2772.346580] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2772.385924] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2772.437233] [] ? univ8250_console_setup+0x15a/0x15a [ 2772.483139] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 2772.507357] [] ext4_writepages+0x1ac/0x1c84 [ 2772.540715] [] ? console_unlock+0x6a9/0x6b8 [ 2772.571619] [] ? vprintk_emit+0x636/0x647 [ 2772.598875] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 2772.633515] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2772.665686] [] ? wb_get+0xde/0x11f [ 2772.690135] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 2772.736450] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 2772.765157] [] do_writepages+0xe5/0x10c [ 2772.789215] [] ? do_writepages+0xe5/0x10c [ 2772.813061] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 2772.841855] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 2772.872387] [] ? replace_page_cache_page+0x235/0x235 [ 2772.906487] [] ? wb_congested+0x116/0x123 [ 2772.931635] [] ? __fget_light+0xe6/0xf0 [ 2772.966231] [] SYSC_fadvise64_64+0x4ae/0x57e [ 2772.995051] [] SyS_fadvise64+0x37/0x39 [ 2773.018205] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2773.041844] ================================================================================ [ 2773.141035] ================================================================================ [ 2773.271833] UBSAN: Undefined behaviour in kernel/workqueue.c:2410:15 [ 2773.362756] member access within misaligned address ffff88005d139770 for type 'struct workqueue_struct' [ 2773.480471] which requires 64 byte alignment [ 2773.538229] CPU: 2 PID: 182 Comm: startpar Tainted: G L 4.8.11 #1 [ 2773.636564] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2773.752739] 00000000ffffffff 000000002ffda90b ffff8800a05efc30 ffffffffb26ec5cc [ 2773.841453] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2773.938619] ffff880000000010 ffff8800a05efc58 ffff8800a05efc08 ffffffffb363c3e0 [ 2774.048926] Call Trace: [ 2774.073736] [] dump_stack+0xd7/0x132 [ 2774.140631] [] ? arch_local_irq_restore+0x1b/0x1b [ 2774.238979] [] ubsan_epilogue+0x12/0x53 [ 2774.311692] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2774.407594] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2774.507179] [] ? cpus_share_cache+0x125/0x125 [ 2774.582304] [] ? lru_add_drain+0x1c/0x1c [ 2774.684781] [] check_flush_dependency+0x6b/0x301 [ 2774.776257] [] ? flush_work+0x175/0x3c1 [ 2774.841166] [] flush_work+0x181/0x3c1 [ 2774.920484] [] ? max_active_store+0xf7/0xf7 [ 2774.984806] [] ? __queue_work+0x9b6/0xba0 [ 2775.055900] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2775.137075] [] lru_add_drain_all+0x59d/0x5f7 [ 2775.226520] [] ? __pagevec_release+0xa3/0xa3 [ 2775.306579] [] SyS_mlockall+0x65/0x2e5 [ 2775.373647] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2775.465953] ================================================================================ [ 2775.584859] ================================================================================ [ 2775.635351] UBSAN: Undefined behaviour in kernel/workqueue.c:2819:13 [ 2775.664082] member access within misaligned address ffff88005d139770 for type 'struct workqueue_struct' [ 2775.706764] which requires 64 byte alignment [ 2775.731287] CPU: 2 PID: 182 Comm: startpar Tainted: G L 4.8.11 #1 [ 2775.759377] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2775.806213] 00000000ffffffff 000000002ffda90b ffff8800a05efc70 ffffffffb26ec5cc [ 2775.839825] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2775.876050] ffffffff00000010 ffff8800a05efc98 ffff8800a05efc48 ffffffffb363c3e0 [ 2775.915212] Call Trace: [ 2775.923869] [] dump_stack+0xd7/0x132 [ 2775.957736] [] ? arch_local_irq_restore+0x1b/0x1b [ 2776.010789] [] ubsan_epilogue+0x12/0x53 [ 2776.074628] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2776.125465] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2776.174229] [] ? arch_local_irq_enable+0x10/0x12 [ 2776.219186] [] flush_work+0x2f3/0x3c1 [ 2776.242819] [] ? max_active_store+0xf7/0xf7 [ 2776.267281] [] ? rol32+0x3e/0x3e [ 2776.300983] [] ? __queue_work+0x9b6/0xba0 [ 2776.336943] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2776.494457] [] lru_add_drain_all+0x59d/0x5f7 [ 2776.544449] [] ? __pagevec_release+0xa3/0xa3 [ 2776.597693] [] SyS_mlockall+0x65/0x2e5 [ 2776.616212] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2776.654758] ================================================================================ [ 2776.691559] ================================================================================ [ 2776.735924] UBSAN: Undefined behaviour in kernel/workqueue.c:2819:47 [ 2776.754046] member access within misaligned address ffff88005d139770 for type 'struct workqueue_struct' [ 2776.795866] which requires 64 byte alignment [ 2776.819980] CPU: 2 PID: 182 Comm: startpar Tainted: G L 4.8.11 #1 [ 2776.856722] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2776.905267] 00000000ffffffff 000000002ffda90b ffff8800a05efc70 ffffffffb26ec5cc [ 2776.941339] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2776.984771] ffff880000000010 ffff8800a05efc98 ffff8800a05efc48 ffffffffb363c3e0 [ 2777.026358] Call Trace: [ 2777.049321] [] dump_stack+0xd7/0x132 [ 2777.076547] [] ? arch_local_irq_restore+0x1b/0x1b [ 2777.123009] [] ubsan_epilogue+0x12/0x53 [ 2777.166803] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2777.215847] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2777.258143] [] ? arch_local_irq_enable+0x10/0x12 [ 2777.299778] [] flush_work+0x346/0x3c1 [ 2777.331800] [] ? max_active_store+0xf7/0xf7 [ 2777.377281] [] ? rol32+0x3e/0x3e [ 2777.404897] [] ? __queue_work+0x9b6/0xba0 [ 2777.428100] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2777.459499] [] lru_add_drain_all+0x59d/0x5f7 [ 2777.487280] [] ? __pagevec_release+0xa3/0xa3 [ 2777.505574] [] SyS_mlockall+0x65/0x2e5 [ 2777.529665] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2777.564236] ================================================================================ [ 2777.606835] ================================================================================ [ 2777.647009] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 2777.680337] load of misaligned address ffffffffb77ce774 for type 'volatile const long unsigned int' [ 2777.726222] which requires 8 byte alignment [ 2777.745477] CPU: 2 PID: 182 Comm: startpar Tainted: G L 4.8.11 #1 [ 2777.772681] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2777.822935] 00000000ffffffff 000000002ffda90b ffff8800a05efb80 ffffffffb26ec5cc [ 2777.855831] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2777.891384] 0000000000000010 ffff8800a05efba8 ffff8800a05efb58 ffffffffb363c3e0 [ 2777.938984] Call Trace: [ 2777.952069] [] dump_stack+0xd7/0x132 [ 2777.979665] [] ? arch_local_irq_restore+0x1b/0x1b [ 2778.026515] [] ubsan_epilogue+0x12/0x53 [ 2778.073795] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2778.124275] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2778.177102] [] ? vmacache_find+0x295/0x2a3 [ 2778.211761] [] ? find_vma+0x158/0x166 [ 2778.245316] [] arch_vma_access_permitted.part.12+0x63/0xd1 [ 2778.289441] [] __get_user_pages+0xdfd/0xe4e [ 2778.317149] [] ? out_of_line_wait_on_bit_lock+0x114/0x114 [ 2778.352979] [] ? follow_page_mask+0x67f/0x67f [ 2778.379196] [] ? can_vma_merge_before+0x1e8/0x1f7 [ 2778.414674] [] ? vma_merge+0x814/0x826 [ 2778.458475] [] populate_vma_page_range+0x124/0x133 [ 2778.553713] [] __mm_populate+0x286/0x327 [ 2778.579319] [] ? populate_vma_page_range+0x133/0x133 [ 2778.613410] [] ? ns_capable_common+0x149/0x153 [ 2778.637515] [] SyS_mlockall+0x2cf/0x2e5 [ 2778.664773] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2778.691926] ================================================================================ [ 2778.967211] ================================================================================ [ 2778.999771] UBSAN: Undefined behaviour in fs/devpts/inode.c:148:8 [ 2779.024842] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 2779.054897] which requires 64 byte alignment [ 2779.073951] CPU: 2 PID: 182 Comm: startpar Tainted: G L 4.8.11 #1 [ 2779.099496] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2779.137333] 00000000ffffffff 000000002ffda90b ffff8800a05ef7f0 ffffffffb26ec5cc [ 2779.168320] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2779.194466] ffffffff00000010 ffff8800a05ef818 ffff8800a05ef7c8 ffffffffb363c3e0 [ 2779.224845] Call Trace: [ 2779.233909] [] dump_stack+0xd7/0x132 [ 2779.256083] [] ? arch_local_irq_restore+0x1b/0x1b [ 2779.277723] [] ubsan_epilogue+0x12/0x53 [ 2779.298859] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2779.326664] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2779.360032] [] ? pty_write_room+0xb4/0xb4 [ 2779.380434] [] devpts_acquire+0xee/0x25e [ 2779.404180] [] ? devpts_mount+0xa77/0xa77 [ 2779.424300] [] ptmx_open+0x96/0x2df [ 2779.448070] [] ? pty_write_room+0xb4/0xb4 [ 2779.471599] [] chrdev_open+0x44e/0x4ae [ 2779.493411] [] ? cdev_put+0x59/0x59 [ 2779.522675] [] ? break_lease+0xf3/0x102 [ 2779.555281] [] ? cdev_put+0x59/0x59 [ 2779.588360] [] do_dentry_open+0x775/0xa9a [ 2779.618502] [] vfs_open+0x1a5/0x1be [ 2779.653247] [] path_openat+0x1f94/0x2525 [ 2779.686800] [] ? kasan_slab_alloc+0x12/0x14 [ 2779.726141] [] ? do_sys_open+0xb2/0x342 [ 2779.758312] [] ? SyS_open+0x32/0x39 [ 2779.785495] [] ? may_open+0x1c0/0x1c0 [ 2779.804851] [] ? deactivate_slab+0x53d/0x566 [ 2779.829437] [] ? getname_flags+0x4f/0x2e0 [ 2779.853347] [] ? init_object+0x1d6/0x1e2 [ 2779.876162] [] ? expand_files+0x68a/0x6d7 [ 2779.900420] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2779.928976] [] do_filp_open+0xe2/0x18c [ 2779.951616] [] ? path_openat+0x2525/0x2525 [ 2779.972202] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2779.993262] [] ? __alloc_fd+0x43d/0x47f [ 2780.017035] [] ? exit_files+0xaa/0xaa [ 2780.035831] [] do_sys_open+0xf5/0x342 [ 2780.054391] [] ? do_sys_open+0xf5/0x342 [ 2780.076409] [] ? __do_page_fault+0x6d3/0x96b [ 2780.107494] [] ? filp_open+0x68/0x68 [ 2780.133222] [] SyS_open+0x32/0x39 [ 2780.163360] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2780.192950] ================================================================================ [ 2780.242860] ================================================================================ [ 2780.300480] UBSAN: Undefined behaviour in fs/namei.c:583:34 [ 2780.341704] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 2780.406337] which requires 64 byte alignment [ 2780.446492] CPU: 2 PID: 182 Comm: startpar Tainted: G L 4.8.11 #1 [ 2780.500174] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2780.580607] 00000000ffffffff 000000002ffda90b ffff8800a05ef718 ffffffffb26ec5cc [ 2780.637655] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2780.678883] 0000000000000010 ffff8800a05ef740 ffff8800a05ef6f0 ffffffffb363c3e0 [ 2780.719864] Call Trace: [ 2780.733535] [] dump_stack+0xd7/0x132 [ 2780.758224] [] ? arch_local_irq_restore+0x1b/0x1b [ 2780.784354] [] ubsan_epilogue+0x12/0x53 [ 2780.805514] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2780.830595] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2780.858466] [] path_parent_directory+0x121/0x199 [ 2780.887448] [] ? pty_write_room+0xb4/0xb4 [ 2780.915982] [] path_pts+0x80/0x16a [ 2780.938538] [] ? kern_path_locked+0x24a/0x24a [ 2780.965048] [] ? pty_write_room+0xb4/0xb4 [ 2780.989532] [] devpts_acquire+0x112/0x25e [ 2781.014695] [] ? devpts_mount+0xa77/0xa77 [ 2781.037091] [] ptmx_open+0x96/0x2df [ 2781.056784] [] ? pty_write_room+0xb4/0xb4 [ 2781.077533] [] chrdev_open+0x44e/0x4ae [ 2781.098585] [] ? cdev_put+0x59/0x59 [ 2781.122425] [] ? break_lease+0xf3/0x102 [ 2781.144120] [] ? cdev_put+0x59/0x59 [ 2781.174521] [] do_dentry_open+0x775/0xa9a [ 2781.196727] [] vfs_open+0x1a5/0x1be [ 2781.220671] [] path_openat+0x1f94/0x2525 [ 2781.244964] [] ? kasan_slab_alloc+0x12/0x14 [ 2781.266080] [] ? do_sys_open+0xb2/0x342 [ 2781.291477] [] ? SyS_open+0x32/0x39 [ 2781.311853] [] ? may_open+0x1c0/0x1c0 [ 2781.336694] [] ? deactivate_slab+0x53d/0x566 [ 2781.363820] [] ? getname_flags+0x4f/0x2e0 [ 2781.388823] [] ? init_object+0x1d6/0x1e2 [ 2781.412183] [] ? expand_files+0x68a/0x6d7 [ 2781.439577] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2781.471509] [] do_filp_open+0xe2/0x18c [ 2781.493139] [] ? path_openat+0x2525/0x2525 [ 2781.516384] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2781.542356] [] ? __alloc_fd+0x43d/0x47f [ 2781.558485] [] ? exit_files+0xaa/0xaa [ 2781.582035] [] do_sys_open+0xf5/0x342 [ 2781.606249] [] ? do_sys_open+0xf5/0x342 [ 2781.628846] [] ? __do_page_fault+0x6d3/0x96b [ 2781.653237] [] ? filp_open+0x68/0x68 [ 2781.671545] [] SyS_open+0x32/0x39 [ 2781.695222] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2781.728512] ================================================================================ [ 2783.110599] ================================================================================ [ 2783.159476] UBSAN: Undefined behaviour in fs/namei.c:583:34 [ 2783.178159] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2783.234212] which requires 64 byte alignment [ 2783.257844] CPU: 2 PID: 218 Comm: mountpoint Tainted: G L 4.8.11 #1 [ 2783.291203] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2783.337846] 00000000ffffffff 00000000426c6671 ffff88009e0c7930 ffffffffb26ec5cc [ 2783.383448] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2783.425582] ffff880000000010 ffff88009e0c7958 ffff88009e0c7908 ffffffffb363c3e0 [ 2783.462470] Call Trace: [ 2783.472071] [] dump_stack+0xd7/0x132 [ 2783.495100] [] ? arch_local_irq_restore+0x1b/0x1b [ 2783.528458] [] ubsan_epilogue+0x12/0x53 [ 2783.552489] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2783.579701] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2783.618048] [] handle_dots.part.12+0x770/0x973 [ 2783.648935] [] walk_component+0xf7/0x35a [ 2783.670508] [] ? handle_dots.part.12+0x973/0x973 [ 2783.695604] [] ? nd_jump_root+0x27d/0x28d [ 2783.719509] [] ? path_init+0x93c/0x950 [ 2783.740442] [] path_lookupat+0x1dc/0x373 [ 2783.766598] [] filename_lookup+0x10a/0x1f3 [ 2783.785856] [] ? user_path_parent+0x5b/0x5b [ 2783.811349] [] ? strncpy_from_user+0x2c1/0x307 [ 2783.835489] [] ? getname_flags+0x4f/0x2e0 [ 2783.857962] [] user_path_at_empty+0x4c/0x55 [ 2783.885919] [] ? user_path_at_empty+0x4c/0x55 [ 2783.910724] [] vfs_fstatat+0xd3/0x169 [ 2783.933606] [] ? SYSC_fstat+0xe7/0xe7 [ 2783.951713] [] vfs_stat+0x29/0x2e [ 2783.972154] [] SYSC_newstat+0x87/0xf4 [ 2783.991977] [] ? cp_new_stat+0x470/0x470 [ 2784.013745] [] SyS_newstat+0x27/0x29 [ 2784.037678] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2784.064424] ================================================================================ [ 2785.092573] ================================================================================ [ 2785.206523] UBSAN: Undefined behaviour in kernel/sched/fair.c:604:6 [ 2785.291803] member access within misaligned address ffff8800a2492178 for type 'struct sched_entity' [ 2785.418589] which requires 64 byte alignment [ 2785.471972] CPU: 2 PID: 8 Comm: rcu_sched Tainted: G L 4.8.11 #1 [ 2785.555978] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2785.722594] 00000000ffffffff 000000007a53c047 ffff8800a3c07c28 ffffffffb26ec5cc [ 2785.867086] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2785.964752] ffff880000000010 ffff8800a3c07c50 ffff8800a3c07c00 ffffffffb363c3e0 [ 2786.047688] Call Trace: [ 2786.074076] [] dump_stack+0xd7/0x132 [ 2786.199369] [] ? arch_local_irq_restore+0x1b/0x1b [ 2786.330243] [] ubsan_epilogue+0x12/0x53 [ 2786.391100] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2786.461366] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2786.541156] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2786.611271] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2786.690640] [] wakeup_preempt_entity+0x8b/0xbf [ 2786.749515] [] check_preempt_wakeup+0x5d3/0x7d1 [ 2786.814694] [] ? dequeue_task_fair+0x2a5/0x2a5 [ 2786.900599] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2787.018975] [] check_preempt_curr+0x122/0x2c3 [ 2787.117437] [] ttwu_do_wakeup+0x1d/0x306 [ 2787.194480] [] ttwu_do_activate+0x14f/0x158 [ 2787.270742] [] sched_ttwu_pending+0x10c/0x14c [ 2787.348266] [] ? wait_task_inactive+0x414/0x414 [ 2787.435222] [] ? rcu_eqs_enter_common.constprop.74+0x95/0xb4 [ 2787.519929] [] ? rcu_irq_enter+0x3e/0xa4 [ 2787.607118] [] scheduler_ipi+0x89/0xe9 [ 2787.686845] [] smp_reschedule_interrupt+0x1a/0x1c [ 2787.769169] [] reschedule_interrupt+0x82/0x90 [ 2787.852403] [] ? __list_add+0x211/0x249 [ 2787.939073] [] ? arch_local_irq_restore+0x6/0xd [ 2788.019843] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2788.119539] [] prepare_to_swait+0xa8/0xd0 [ 2788.202773] [] ? __prepare_to_swait+0xac/0xac [ 2788.283356] [] ? calc_wheel_index+0x144/0x144 [ 2788.349673] [] prepare_to_swait_event+0xd3/0xe1 [ 2788.444211] [] rcu_gp_kthread+0x4fb/0xf5f [ 2788.513688] [] ? force_qs_rnp+0x3a3/0x3a3 [ 2788.608594] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 2788.710780] [] ? balance_callback+0x3a/0x137 [ 2788.795492] [] ? __schedule+0x123d/0x126c [ 2788.874000] [] ? cpu_cgroup_can_attach+0x114/0x14d [ 2788.975330] [] ? __wake_up_common+0xe0/0x14f [ 2789.056620] [] kthread+0x1f7/0x20b [ 2789.139155] [] ? force_qs_rnp+0x3a3/0x3a3 [ 2789.210596] [] ? init_completion+0x48/0x48 [ 2789.297156] [] ret_from_fork+0x1f/0x40 [ 2789.378714] [] ? init_completion+0x48/0x48 [ 2789.444312] ================================================================================ [ 2790.184743] ================================================================================ [ 2790.213655] UBSAN: Undefined behaviour in fs/kernfs/mount.c:198:17 [ 2790.240801] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2790.271299] which requires 64 byte alignment [ 2790.287175] CPU: 2 PID: 259 Comm: mount Tainted: G L 4.8.11 #1 [ 2790.314214] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2790.347755] 00000000ffffffff 00000000b4210e94 ffff88009f0b7a08 ffffffffb26ec5cc [ 2790.373036] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2790.400815] 0000000000000010 ffff88009f0b7a30 ffff88009f0b79e0 ffffffffb363c3e0 [ 2790.430284] Call Trace: [ 2790.442723] [] dump_stack+0xd7/0x132 [ 2790.462461] [] ? arch_local_irq_restore+0x1b/0x1b [ 2790.487075] [] ubsan_epilogue+0x12/0x53 [ 2790.508572] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2790.530960] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2790.558019] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2790.584110] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2790.611479] [] kernfs_set_super+0x49/0x6b [ 2790.632534] [] sget_userns+0xacd/0xcbc [ 2790.655333] [] ? kernfs_sop_show_path+0x17b/0x17b [ 2790.676534] [] ? kernfs_sop_remount_fs+0x10f/0x10f [ 2790.708388] [] ? get_super_thawed+0x211/0x211 [ 2790.731227] [] ? kasan_kmalloc+0x94/0xa3 [ 2790.751877] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 2790.775308] [] ? kernfs_mount_ns+0x58/0x63c [ 2790.793728] [] kernfs_mount_ns+0xa7/0x63c [ 2790.815109] [] sysfs_mount+0xab/0x1f8 [ 2790.834892] [] ? sysfs_kill_sb+0x39/0x39 [ 2790.854770] [] ? alloc_vfsmnt+0x680/0x6bf [ 2790.877731] [] ? save_mount_options+0x123/0x123 [ 2790.900963] [] mount_fs+0xd0/0x2ca [ 2790.917756] [] vfs_kern_mount+0xa0/0x20a [ 2790.940554] [] do_mount+0x11fe/0x19df [ 2790.958059] [] ? kasan_kmalloc+0x94/0xa3 [ 2790.980909] [] ? copy_mount_string+0x3d/0x3d [ 2791.005151] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2791.028157] [] ? __check_object_size+0x1e1/0x2b8 [ 2791.052253] [] ? 0xffffffffb1c002b8 [ 2791.072149] [] ? copy_mount_options+0x23d/0x24d [ 2791.095648] [] SyS_mount+0xa3/0xda [ 2791.114371] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2791.141221] ================================================================================ [ 2791.175762] ================================================================================ [ 2791.208879] UBSAN: Undefined behaviour in fs/kernfs/mount.c:248:22 [ 2791.231846] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2791.268074] which requires 64 byte alignment [ 2791.283833] CPU: 2 PID: 259 Comm: mount Tainted: G L 4.8.11 #1 [ 2791.315034] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2791.358000] 00000000ffffffff 00000000b4210e94 ffff88009f0b7b58 ffffffffb26ec5cc [ 2791.384442] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2791.413577] ffffffff00000010 ffff88009f0b7b80 ffff88009f0b7b30 ffffffffb363c3e0 [ 2791.448600] Call Trace: [ 2791.458523] [] dump_stack+0xd7/0x132 [ 2791.481757] [] ? arch_local_irq_restore+0x1b/0x1b [ 2791.515832] [] ubsan_epilogue+0x12/0x53 [ 2791.541044] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2791.579748] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2791.614317] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 2791.646818] [] ? kernfs_mount_ns+0x58/0x63c [ 2791.671485] [] kernfs_mount_ns+0xee/0x63c [ 2791.703438] [] sysfs_mount+0xab/0x1f8 [ 2791.728533] [] ? sysfs_kill_sb+0x39/0x39 [ 2791.751643] [] ? alloc_vfsmnt+0x680/0x6bf [ 2791.779046] [] ? save_mount_options+0x123/0x123 [ 2791.805662] [] mount_fs+0xd0/0x2ca [ 2791.825685] [] vfs_kern_mount+0xa0/0x20a [ 2791.845219] [] do_mount+0x11fe/0x19df [ 2791.867916] [] ? kasan_kmalloc+0x94/0xa3 [ 2791.892544] [] ? copy_mount_string+0x3d/0x3d [ 2791.913626] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2791.941596] [] ? __check_object_size+0x1e1/0x2b8 [ 2791.964333] [] ? 0xffffffffb1c002b8 [ 2791.988472] [] ? copy_mount_options+0x23d/0x24d [ 2792.012884] [] SyS_mount+0xa3/0xda [ 2792.034446] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2792.062176] ================================================================================ [ 2792.097125] ================================================================================ [ 2792.129595] UBSAN: Undefined behaviour in fs/kernfs/mount.c:254:24 [ 2792.149939] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2792.189399] which requires 64 byte alignment [ 2792.205504] CPU: 2 PID: 259 Comm: mount Tainted: G L 4.8.11 #1 [ 2792.227811] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2792.263755] 00000000ffffffff 00000000b4210e94 ffff88009f0b7b58 ffffffffb26ec5cc [ 2792.290823] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2792.318926] ffffffff00000010 ffff88009f0b7b80 ffff88009f0b7b30 ffffffffb363c3e0 [ 2792.346479] Call Trace: [ 2792.354968] [] dump_stack+0xd7/0x132 [ 2792.373288] [] ? arch_local_irq_restore+0x1b/0x1b [ 2792.400205] [] ubsan_epilogue+0x12/0x53 [ 2792.424763] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2792.450937] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2792.479660] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 2792.504339] [] ? kernfs_mount_ns+0x58/0x63c [ 2792.526364] [] kernfs_mount_ns+0x133/0x63c [ 2792.548948] [] sysfs_mount+0xab/0x1f8 [ 2792.568159] [] ? sysfs_kill_sb+0x39/0x39 [ 2792.587795] [] ? alloc_vfsmnt+0x680/0x6bf [ 2792.611844] [] ? save_mount_options+0x123/0x123 [ 2792.634666] [] mount_fs+0xd0/0x2ca [ 2792.650164] [] vfs_kern_mount+0xa0/0x20a [ 2792.672297] [] do_mount+0x11fe/0x19df [ 2792.694305] [] ? kasan_kmalloc+0x94/0xa3 [ 2792.714512] [] ? copy_mount_string+0x3d/0x3d [ 2792.736172] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2792.758159] [] ? __check_object_size+0x1e1/0x2b8 [ 2792.781077] [] ? 0xffffffffb1c002b8 [ 2792.797657] [] ? copy_mount_options+0x23d/0x24d [ 2792.822916] [] SyS_mount+0xa3/0xda [ 2792.842784] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2792.866251] ================================================================================ [ 2792.896785] ================================================================================ [ 2792.926616] UBSAN: Undefined behaviour in fs/kernfs/mount.c:256:9 [ 2792.949613] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2792.984160] which requires 64 byte alignment [ 2792.998733] CPU: 2 PID: 259 Comm: mount Tainted: G L 4.8.11 #1 [ 2793.026527] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2793.063342] 00000000ffffffff 00000000b4210e94 ffff88009f0b7b58 ffffffffb26ec5cc [ 2793.091905] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2793.121680] ffffffff00000010 ffff88009f0b7b80 ffff88009f0b7b30 ffffffffb363c3e0 [ 2793.149387] Call Trace: [ 2793.159369] [] dump_stack+0xd7/0x132 [ 2793.181193] [] ? arch_local_irq_restore+0x1b/0x1b [ 2793.204441] [] ubsan_epilogue+0x12/0x53 [ 2793.227934] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2793.250387] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2793.278999] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 2793.305048] [] ? kernfs_mount_ns+0x58/0x63c [ 2793.325668] [] kernfs_mount_ns+0x182/0x63c [ 2793.345568] [] sysfs_mount+0xab/0x1f8 [ 2793.366334] [] ? sysfs_kill_sb+0x39/0x39 [ 2793.387253] [] ? alloc_vfsmnt+0x680/0x6bf [ 2793.411542] [] ? save_mount_options+0x123/0x123 [ 2793.432951] [] mount_fs+0xd0/0x2ca [ 2793.451167] [] vfs_kern_mount+0xa0/0x20a [ 2793.471390] [] do_mount+0x11fe/0x19df [ 2793.492216] [] ? kasan_kmalloc+0x94/0xa3 [ 2793.515240] [] ? copy_mount_string+0x3d/0x3d [ 2793.536499] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2793.562386] [] ? __check_object_size+0x1e1/0x2b8 [ 2793.581197] [] ? 0xffffffffb1c002b8 [ 2793.602468] [] ? copy_mount_options+0x23d/0x24d [ 2793.627106] [] SyS_mount+0xa3/0xda [ 2793.644688] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2793.669170] ================================================================================ [ 2793.706686] ================================================================================ [ 2793.736874] UBSAN: Undefined behaviour in fs/kernfs/mount.c:257:29 [ 2793.761256] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2793.797719] which requires 64 byte alignment [ 2793.815669] CPU: 2 PID: 259 Comm: mount Tainted: G L 4.8.11 #1 [ 2793.843890] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2793.883813] 00000000ffffffff 00000000b4210e94 ffff88009f0b7b58 ffffffffb26ec5cc [ 2793.912332] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2793.942152] ffffffff00000010 ffff88009f0b7b80 ffff88009f0b7b30 ffffffffb363c3e0 [ 2793.970487] Call Trace: [ 2793.979020] [] dump_stack+0xd7/0x132 [ 2794.000528] [] ? arch_local_irq_restore+0x1b/0x1b [ 2794.027626] [] ubsan_epilogue+0x12/0x53 [ 2794.048583] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2794.070350] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2794.096490] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 2794.120565] [] ? kernfs_mount_ns+0x58/0x63c [ 2794.142769] [] kernfs_mount_ns+0x1b4/0x63c [ 2794.162664] [] sysfs_mount+0xab/0x1f8 [ 2794.185110] [] ? sysfs_kill_sb+0x39/0x39 [ 2794.204420] [] ? alloc_vfsmnt+0x680/0x6bf [ 2794.227359] [] ? save_mount_options+0x123/0x123 [ 2794.251909] [] mount_fs+0xd0/0x2ca [ 2794.275534] [] vfs_kern_mount+0xa0/0x20a [ 2794.298582] [] do_mount+0x11fe/0x19df [ 2794.320484] [] ? kasan_kmalloc+0x94/0xa3 [ 2794.350260] [] ? copy_mount_string+0x3d/0x3d [ 2794.377312] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2794.406594] [] ? __check_object_size+0x1e1/0x2b8 [ 2794.437467] [] ? 0xffffffffb1c002b8 [ 2794.461177] [] ? copy_mount_options+0x23d/0x24d [ 2794.485553] [] SyS_mount+0xa3/0xda [ 2794.508015] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2794.532646] ================================================================================ [ 2794.565435] ================================================================================ [ 2794.598789] UBSAN: Undefined behaviour in fs/kernfs/mount.c:150:28 [ 2794.620694] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2794.650257] which requires 64 byte alignment [ 2794.664490] CPU: 2 PID: 259 Comm: mount Tainted: G L 4.8.11 #1 [ 2794.688160] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2794.726926] 00000000ffffffff 00000000b4210e94 ffff88009f0b7b58 ffffffffb26ec5cc [ 2794.761357] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2794.787109] ffffffff00000010 ffff88009f0b7b80 ffff88009f0b7b30 ffffffffb363c3e0 [ 2794.894780] Call Trace: [ 2794.908473] [] dump_stack+0xd7/0x132 [ 2794.930126] [] ? arch_local_irq_restore+0x1b/0x1b [ 2794.955239] [] ubsan_epilogue+0x12/0x53 [ 2794.976147] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2795.002638] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2795.033270] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 2795.063496] [] ? kernfs_mount_ns+0x58/0x63c [ 2795.083963] [] kernfs_mount_ns+0x1e0/0x63c [ 2795.106625] [] sysfs_mount+0xab/0x1f8 [ 2795.128171] [] ? sysfs_kill_sb+0x39/0x39 [ 2795.148723] [] ? alloc_vfsmnt+0x680/0x6bf [ 2795.183135] [] ? save_mount_options+0x123/0x123 [ 2795.212792] [] mount_fs+0xd0/0x2ca [ 2795.237404] [] vfs_kern_mount+0xa0/0x20a [ 2795.265107] [] do_mount+0x11fe/0x19df [ 2795.288793] [] ? kasan_kmalloc+0x94/0xa3 [ 2795.316507] [] ? copy_mount_string+0x3d/0x3d [ 2795.346274] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2795.376931] [] ? __check_object_size+0x1e1/0x2b8 [ 2795.402265] [] ? 0xffffffffb1c002b8 [ 2795.422640] [] ? copy_mount_options+0x23d/0x24d [ 2795.452213] [] SyS_mount+0xa3/0xda [ 2795.474499] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2795.501333] ================================================================================ [ 2795.544419] ================================================================================ [ 2795.656808] UBSAN: Undefined behaviour in fs/kernfs/mount.c:156:15 [ 2795.701743] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2795.746634] which requires 64 byte alignment [ 2795.764968] CPU: 2 PID: 259 Comm: mount Tainted: G L 4.8.11 #1 [ 2795.791223] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2795.827637] 00000000ffffffff 00000000b4210e94 ffff88009f0b7b58 ffffffffb26ec5cc [ 2795.859743] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2795.885233] ffffffff00000010 ffff88009f0b7b80 ffff88009f0b7b30 ffffffffb363c3e0 [ 2795.912355] Call Trace: [ 2795.918962] [] dump_stack+0xd7/0x132 [ 2795.935157] [] ? arch_local_irq_restore+0x1b/0x1b [ 2795.954859] [] ubsan_epilogue+0x12/0x53 [ 2795.976141] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2796.000878] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2796.028558] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 2796.048575] [] ? kernfs_mount_ns+0x58/0x63c [ 2796.068179] [] kernfs_mount_ns+0x21f/0x63c [ 2796.089251] [] sysfs_mount+0xab/0x1f8 [ 2796.109210] [] ? sysfs_kill_sb+0x39/0x39 [ 2796.128853] [] ? alloc_vfsmnt+0x680/0x6bf [ 2796.149353] [] ? save_mount_options+0x123/0x123 [ 2796.169230] [] mount_fs+0xd0/0x2ca [ 2796.188399] [] vfs_kern_mount+0xa0/0x20a [ 2796.207757] [] do_mount+0x11fe/0x19df [ 2796.226726] [] ? kasan_kmalloc+0x94/0xa3 [ 2796.244960] [] ? copy_mount_string+0x3d/0x3d [ 2796.266203] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2796.289415] [] ? __check_object_size+0x1e1/0x2b8 [ 2796.308219] [] ? 0xffffffffb1c002b8 [ 2796.328082] [] ? copy_mount_options+0x23d/0x24d [ 2796.347733] [] SyS_mount+0xa3/0xda [ 2796.364915] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2796.388661] ================================================================================ [ 2796.419144] ================================================================================ [ 2796.445591] UBSAN: Undefined behaviour in fs/kernfs/mount.c:156:15 [ 2796.464468] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2796.497032] which requires 64 byte alignment [ 2796.511575] CPU: 2 PID: 259 Comm: mount Tainted: G L 4.8.11 #1 [ 2796.534777] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2796.566141] 00000000ffffffff 00000000b4210e94 ffff88009f0b7b58 ffffffffb26ec5cc [ 2796.588397] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2796.617294] ffffffff00000010 ffff88009f0b7b80 ffff88009f0b7b30 ffffffffb363c3e0 [ 2796.641069] Call Trace: [ 2796.649667] [] dump_stack+0xd7/0x132 [ 2796.665542] [] ? arch_local_irq_restore+0x1b/0x1b [ 2796.686318] [] ubsan_epilogue+0x12/0x53 [ 2796.704886] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2796.728124] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2796.750597] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 2796.769327] [] ? kernfs_mount_ns+0x58/0x63c [ 2796.795683] [] kernfs_mount_ns+0x249/0x63c [ 2796.815153] [] sysfs_mount+0xab/0x1f8 [ 2796.832508] [] ? sysfs_kill_sb+0x39/0x39 [ 2796.850788] [] ? alloc_vfsmnt+0x680/0x6bf [ 2796.872620] [] ? save_mount_options+0x123/0x123 [ 2796.897129] [] mount_fs+0xd0/0x2ca [ 2796.911707] [] vfs_kern_mount+0xa0/0x20a [ 2796.928532] [] do_mount+0x11fe/0x19df [ 2796.944572] [] ? kasan_kmalloc+0x94/0xa3 [ 2796.967038] [] ? copy_mount_string+0x3d/0x3d [ 2796.987433] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2797.013493] [] ? __check_object_size+0x1e1/0x2b8 [ 2797.034488] [] ? 0xffffffffb1c002b8 [ 2797.049944] [] ? copy_mount_options+0x23d/0x24d [ 2797.068541] [] SyS_mount+0xa3/0xda [ 2797.087125] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2797.104367] ================================================================================ [ 2797.138332] ================================================================================ [ 2797.165166] UBSAN: Undefined behaviour in fs/kernfs/mount.c:157:18 [ 2797.185197] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2797.217921] which requires 64 byte alignment [ 2797.242299] CPU: 2 PID: 259 Comm: mount Tainted: G L 4.8.11 #1 [ 2797.283464] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2797.327289] 00000000ffffffff 00000000b4210e94 ffff88009f0b7b58 ffffffffb26ec5cc [ 2797.352398] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2797.379881] ffffffff00000010 ffff88009f0b7b80 ffff88009f0b7b30 ffffffffb363c3e0 [ 2797.412440] Call Trace: [ 2797.421397] [] dump_stack+0xd7/0x132 [ 2797.444266] [] ? arch_local_irq_restore+0x1b/0x1b [ 2797.465568] [] ubsan_epilogue+0x12/0x53 [ 2797.481418] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2797.503447] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2797.529189] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 2797.549584] [] ? kernfs_mount_ns+0x58/0x63c [ 2797.568708] [] kernfs_mount_ns+0x266/0x63c [ 2797.587794] [] sysfs_mount+0xab/0x1f8 [ 2797.604691] [] ? sysfs_kill_sb+0x39/0x39 [ 2797.626179] [] ? alloc_vfsmnt+0x680/0x6bf [ 2797.643466] [] ? save_mount_options+0x123/0x123 [ 2797.665627] [] mount_fs+0xd0/0x2ca [ 2797.686865] [] vfs_kern_mount+0xa0/0x20a [ 2797.704370] [] do_mount+0x11fe/0x19df [ 2797.724509] [] ? kasan_kmalloc+0x94/0xa3 [ 2797.742450] [] ? copy_mount_string+0x3d/0x3d [ 2797.763874] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2797.782292] [] ? __check_object_size+0x1e1/0x2b8 [ 2797.799524] [] ? 0xffffffffb1c002b8 [ 2797.816325] [] ? copy_mount_options+0x23d/0x24d [ 2797.838241] [] SyS_mount+0xa3/0xda [ 2797.851380] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2797.875274] ================================================================================ [ 2797.903119] ================================================================================ [ 2797.930562] UBSAN: Undefined behaviour in fs/kernfs/mount.c:158:23 [ 2797.951223] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2797.980275] which requires 64 byte alignment [ 2797.992031] CPU: 2 PID: 259 Comm: mount Tainted: G L 4.8.11 #1 [ 2798.018200] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2798.052864] 00000000ffffffff 00000000b4210e94 ffff88009f0b7b58 ffffffffb26ec5cc [ 2798.078463] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2798.101484] ffffffff00000010 ffff88009f0b7b80 ffff88009f0b7b30 ffffffffb363c3e0 [ 2798.123506] Call Trace: [ 2798.134968] [] dump_stack+0xd7/0x132 [ 2798.150217] [] ? arch_local_irq_restore+0x1b/0x1b [ 2798.172408] [] ubsan_epilogue+0x12/0x53 [ 2798.192241] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2798.217172] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2798.242906] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 2798.263101] [] ? kernfs_mount_ns+0x58/0x63c [ 2798.283213] [] kernfs_mount_ns+0x290/0x63c [ 2798.300822] [] sysfs_mount+0xab/0x1f8 [ 2798.322346] [] ? sysfs_kill_sb+0x39/0x39 [ 2798.342726] [] ? alloc_vfsmnt+0x680/0x6bf [ 2798.365088] [] ? save_mount_options+0x123/0x123 [ 2798.385621] [] mount_fs+0xd0/0x2ca [ 2798.406765] [] vfs_kern_mount+0xa0/0x20a [ 2798.420548] [] do_mount+0x11fe/0x19df [ 2798.440995] [] ? kasan_kmalloc+0x94/0xa3 [ 2798.461221] [] ? copy_mount_string+0x3d/0x3d [ 2798.481999] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2798.503337] [] ? __check_object_size+0x1e1/0x2b8 [ 2798.523628] [] ? 0xffffffffb1c002b8 [ 2798.540365] [] ? copy_mount_options+0x23d/0x24d [ 2798.561129] [] SyS_mount+0xa3/0xda [ 2798.579631] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2798.599111] ================================================================================ [ 2798.628769] ================================================================================ [ 2798.656778] UBSAN: Undefined behaviour in fs/kernfs/mount.c:159:14 [ 2798.676061] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2798.705571] which requires 64 byte alignment [ 2798.718149] CPU: 2 PID: 259 Comm: mount Tainted: G L 4.8.11 #1 [ 2798.740546] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2798.775415] 00000000ffffffff 00000000b4210e94 ffff88009f0b7b58 ffffffffb26ec5cc [ 2798.797640] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2798.821126] ffffffff00000010 ffff88009f0b7b80 ffff88009f0b7b30 ffffffffb363c3e0 [ 2798.844240] Call Trace: [ 2798.850689] [] dump_stack+0xd7/0x132 [ 2798.868557] [] ? arch_local_irq_restore+0x1b/0x1b [ 2798.893608] [] ubsan_epilogue+0x12/0x53 [ 2798.912979] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2798.932460] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2798.957664] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 2798.981164] [] ? kernfs_mount_ns+0x58/0x63c [ 2799.000459] [] kernfs_mount_ns+0x2b6/0x63c [ 2799.016151] [] sysfs_mount+0xab/0x1f8 [ 2799.034662] [] ? sysfs_kill_sb+0x39/0x39 [ 2799.051258] [] ? alloc_vfsmnt+0x680/0x6bf [ 2799.070101] [] ? save_mount_options+0x123/0x123 [ 2799.090655] [] mount_fs+0xd0/0x2ca [ 2799.107887] [] vfs_kern_mount+0xa0/0x20a [ 2799.124856] [] do_mount+0x11fe/0x19df [ 2799.145159] [] ? kasan_kmalloc+0x94/0xa3 [ 2799.162756] [] ? copy_mount_string+0x3d/0x3d [ 2799.183351] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2799.201573] [] ? __check_object_size+0x1e1/0x2b8 [ 2799.221297] [] ? 0xffffffffb1c002b8 [ 2799.238185] [] ? copy_mount_options+0x23d/0x24d [ 2799.257251] [] SyS_mount+0xa3/0xda [ 2799.273458] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2799.298096] ================================================================================ [ 2799.323664] ================================================================================ [ 2799.354540] UBSAN: Undefined behaviour in fs/kernfs/mount.c:160:11 [ 2799.379845] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2799.415571] which requires 64 byte alignment [ 2799.427782] CPU: 2 PID: 259 Comm: mount Tainted: G L 4.8.11 #1 [ 2799.453927] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2799.484813] 00000000ffffffff 00000000b4210e94 ffff88009f0b7b58 ffffffffb26ec5cc [ 2799.513237] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2799.536987] ffffffff00000010 ffff88009f0b7b80 ffff88009f0b7b30 ffffffffb363c3e0 [ 2799.565317] Call Trace: [ 2799.574670] [] dump_stack+0xd7/0x132 [ 2799.589617] [] ? arch_local_irq_restore+0x1b/0x1b [ 2799.612409] [] ubsan_epilogue+0x12/0x53 [ 2799.630235] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2799.650719] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2799.678010] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 2799.697666] [] ? kernfs_mount_ns+0x58/0x63c [ 2799.718385] [] kernfs_mount_ns+0x2e0/0x63c [ 2799.736751] [] sysfs_mount+0xab/0x1f8 [ 2799.754429] [] ? sysfs_kill_sb+0x39/0x39 [ 2799.772570] [] ? alloc_vfsmnt+0x680/0x6bf [ 2799.795064] [] ? save_mount_options+0x123/0x123 [ 2799.816022] [] mount_fs+0xd0/0x2ca [ 2799.832410] [] vfs_kern_mount+0xa0/0x20a [ 2799.848711] [] do_mount+0x11fe/0x19df [ 2799.865590] [] ? kasan_kmalloc+0x94/0xa3 [ 2799.884648] [] ? copy_mount_string+0x3d/0x3d [ 2799.904404] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2799.922667] [] ? __check_object_size+0x1e1/0x2b8 [ 2799.944054] [] ? 0xffffffffb1c002b8 [ 2799.962331] [] ? copy_mount_options+0x23d/0x24d [ 2799.983351] [] SyS_mount+0xa3/0xda [ 2799.999741] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2800.021755] ================================================================================ [ 2800.048988] ================================================================================ [ 2800.075389] UBSAN: Undefined behaviour in fs/kernfs/mount.c:161:18 [ 2800.099049] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2800.127676] which requires 64 byte alignment [ 2800.140995] CPU: 2 PID: 259 Comm: mount Tainted: G L 4.8.11 #1 [ 2800.162707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2800.189321] 00000000ffffffff 00000000b4210e94 ffff88009f0b7b58 ffffffffb26ec5cc [ 2800.218185] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2800.245748] ffffffff00000010 ffff88009f0b7b80 ffff88009f0b7b30 ffffffffb363c3e0 [ 2800.272705] Call Trace: [ 2800.281646] [] dump_stack+0xd7/0x132 [ 2800.299596] [] ? arch_local_irq_restore+0x1b/0x1b [ 2800.321753] [] ubsan_epilogue+0x12/0x53 [ 2800.337634] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2800.359454] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2800.383092] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 2800.407592] [] ? kernfs_mount_ns+0x58/0x63c [ 2800.428681] [] kernfs_mount_ns+0x30a/0x63c [ 2800.447139] [] sysfs_mount+0xab/0x1f8 [ 2800.466580] [] ? sysfs_kill_sb+0x39/0x39 [ 2800.484331] [] ? alloc_vfsmnt+0x680/0x6bf [ 2800.504653] [] ? save_mount_options+0x123/0x123 [ 2800.525285] [] mount_fs+0xd0/0x2ca [ 2800.543955] [] vfs_kern_mount+0xa0/0x20a [ 2800.564324] [] do_mount+0x11fe/0x19df [ 2800.584204] [] ? kasan_kmalloc+0x94/0xa3 [ 2800.600515] [] ? copy_mount_string+0x3d/0x3d [ 2800.622032] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2800.640281] [] ? __check_object_size+0x1e1/0x2b8 [ 2800.660061] [] ? 0xffffffffb1c002b8 [ 2800.679496] [] ? copy_mount_options+0x23d/0x24d [ 2800.699565] [] SyS_mount+0xa3/0xda [ 2800.718306] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2800.740455] ================================================================================ [ 2800.782310] ================================================================================ [ 2800.811818] UBSAN: Undefined behaviour in fs/kernfs/mount.c:180:13 [ 2800.834810] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2800.864487] which requires 64 byte alignment [ 2800.881519] CPU: 3 PID: 259 Comm: mount Tainted: G L 4.8.11 #1 [ 2800.902827] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2800.935708] 00000000ffffffff 00000000b4210e94 ffff88009f0b7b58 ffffffffb26ec5cc [ 2800.960657] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2800.985248] 0020000000000010 ffff88009f0b7b80 ffff88009f0b7b30 ffffffffb363c3e0 [ 2801.011721] Call Trace: [ 2801.018915] [] dump_stack+0xd7/0x132 [ 2801.038338] [] ? arch_local_irq_restore+0x1b/0x1b [ 2801.059831] [] ubsan_epilogue+0x12/0x53 [ 2801.076479] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2801.101391] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2801.125198] [] kernfs_mount_ns+0x4bc/0x63c [ 2801.145513] [] sysfs_mount+0xab/0x1f8 [ 2801.165457] [] ? sysfs_kill_sb+0x39/0x39 [ 2801.185546] [] ? alloc_vfsmnt+0x680/0x6bf [ 2801.202760] [] ? save_mount_options+0x123/0x123 [ 2801.223892] [] mount_fs+0xd0/0x2ca [ 2801.239788] [] vfs_kern_mount+0xa0/0x20a [ 2801.258787] [] do_mount+0x11fe/0x19df [ 2801.275309] [] ? kasan_kmalloc+0x94/0xa3 [ 2801.293711] [] ? copy_mount_string+0x3d/0x3d [ 2801.314279] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2801.335968] [] ? __check_object_size+0x1e1/0x2b8 [ 2801.355808] [] ? 0xffffffffb1c002b8 [ 2801.370857] [] ? copy_mount_options+0x23d/0x24d [ 2801.393681] [] SyS_mount+0xa3/0xda [ 2801.410394] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2801.429335] ================================================================================ [ 2801.459874] ================================================================================ [ 2801.488685] UBSAN: Undefined behaviour in fs/kernfs/mount.c:181:13 [ 2801.511198] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2801.538131] which requires 64 byte alignment [ 2801.552845] CPU: 3 PID: 259 Comm: mount Tainted: G L 4.8.11 #1 [ 2801.579695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2801.613193] 00000000ffffffff 00000000b4210e94 ffff88009f0b7b58 ffffffffb26ec5cc [ 2801.640205] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2801.662962] ffffffff00000010 ffff88009f0b7b80 ffff88009f0b7b30 ffffffffb363c3e0 [ 2801.685039] Call Trace: [ 2801.693607] [] dump_stack+0xd7/0x132 [ 2801.712234] [] ? arch_local_irq_restore+0x1b/0x1b [ 2801.734886] [] ubsan_epilogue+0x12/0x53 [ 2801.751167] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2801.772293] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2801.798936] [] kernfs_mount_ns+0x4e2/0x63c [ 2801.819336] [] sysfs_mount+0xab/0x1f8 [ 2801.836715] [] ? sysfs_kill_sb+0x39/0x39 [ 2801.856234] [] ? alloc_vfsmnt+0x680/0x6bf [ 2801.876256] [] ? save_mount_options+0x123/0x123 [ 2801.900187] [] mount_fs+0xd0/0x2ca [ 2801.915985] [] vfs_kern_mount+0xa0/0x20a [ 2801.936839] [] do_mount+0x11fe/0x19df [ 2801.952263] [] ? kasan_kmalloc+0x94/0xa3 [ 2801.971571] [] ? copy_mount_string+0x3d/0x3d [ 2801.992233] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2802.014716] [] ? __check_object_size+0x1e1/0x2b8 [ 2802.036971] [] ? 0xffffffffb1c002b8 [ 2802.054581] [] ? copy_mount_options+0x23d/0x24d [ 2802.074592] [] SyS_mount+0xa3/0xda [ 2802.092082] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2802.115313] ================================================================================ [ 2802.141561] ================================================================================ [ 2802.172158] UBSAN: Undefined behaviour in fs/kernfs/mount.c:264:15 [ 2802.196148] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2802.224941] which requires 64 byte alignment [ 2802.240292] CPU: 3 PID: 259 Comm: mount Tainted: G L 4.8.11 #1 [ 2802.263228] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2802.290089] 00000000ffffffff 00000000b4210e94 ffff88009f0b7b58 ffffffffb26ec5cc [ 2802.316477] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2802.341147] ffffffff00000010 ffff88009f0b7b80 ffff88009f0b7b30 ffffffffb363c3e0 [ 2802.367818] Call Trace: [ 2802.378780] [] dump_stack+0xd7/0x132 [ 2802.394529] [] ? arch_local_irq_restore+0x1b/0x1b [ 2802.416928] [] ubsan_epilogue+0x12/0x53 [ 2802.434387] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2802.456329] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2802.481212] [] kernfs_mount_ns+0x512/0x63c [ 2802.503650] [] sysfs_mount+0xab/0x1f8 [ 2802.520102] [] ? sysfs_kill_sb+0x39/0x39 [ 2802.540973] [] ? alloc_vfsmnt+0x680/0x6bf [ 2802.559559] [] ? save_mount_options+0x123/0x123 [ 2802.583870] [] mount_fs+0xd0/0x2ca [ 2802.603191] [] vfs_kern_mount+0xa0/0x20a [ 2802.618584] [] do_mount+0x11fe/0x19df [ 2802.637197] [] ? kasan_kmalloc+0x94/0xa3 [ 2802.656005] [] ? copy_mount_string+0x3d/0x3d [ 2802.673768] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2802.696599] [] ? __check_object_size+0x1e1/0x2b8 [ 2802.720073] [] ? 0xffffffffb1c002b8 [ 2802.739282] [] ? copy_mount_options+0x23d/0x24d [ 2802.759949] [] SyS_mount+0xa3/0xda [ 2802.773387] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2802.799082] ================================================================================ [ 2802.829504] ================================================================================ [ 2802.861251] UBSAN: Undefined behaviour in fs/kernfs/mount.c:264:15 [ 2802.882999] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2802.914610] which requires 64 byte alignment [ 2802.928463] CPU: 3 PID: 259 Comm: mount Tainted: G L 4.8.11 #1 [ 2802.954645] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2802.987935] 00000000ffffffff 00000000b4210e94 ffff88009f0b7b58 ffffffffb26ec5cc [ 2803.016867] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2803.038501] ffffffff00000010 ffff88009f0b7b80 ffff88009f0b7b30 ffffffffb363c3e0 [ 2803.063681] Call Trace: [ 2803.070933] [] dump_stack+0xd7/0x132 [ 2803.088216] [] ? arch_local_irq_restore+0x1b/0x1b [ 2803.109259] [] ubsan_epilogue+0x12/0x53 [ 2803.132707] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2803.156401] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2803.182189] [] kernfs_mount_ns+0x53f/0x63c [ 2803.204800] [] sysfs_mount+0xab/0x1f8 [ 2803.220077] [] ? sysfs_kill_sb+0x39/0x39 [ 2803.240308] [] ? alloc_vfsmnt+0x680/0x6bf [ 2803.257691] [] ? save_mount_options+0x123/0x123 [ 2803.280961] [] mount_fs+0xd0/0x2ca [ 2803.297486] [] vfs_kern_mount+0xa0/0x20a [ 2803.316538] [] do_mount+0x11fe/0x19df [ 2803.336069] [] ? kasan_kmalloc+0x94/0xa3 [ 2803.357217] [] ? copy_mount_string+0x3d/0x3d [ 2803.383539] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2803.405603] [] ? __check_object_size+0x1e1/0x2b8 [ 2803.430113] [] ? 0xffffffffb1c002b8 [ 2803.444974] [] ? copy_mount_options+0x23d/0x24d [ 2803.470322] [] SyS_mount+0xa3/0xda [ 2803.488321] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2803.511177] ================================================================================ [ 2803.548300] ================================================================================ [ 2803.575562] UBSAN: Undefined behaviour in fs/kernfs/mount.c:271:9 [ 2803.599874] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2803.626584] which requires 64 byte alignment [ 2803.640972] CPU: 2 PID: 259 Comm: mount Tainted: G L 4.8.11 #1 [ 2803.663841] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2803.699136] 00000000ffffffff 00000000b4210e94 ffff88009f0b7b58 ffffffffb26ec5cc [ 2803.724821] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2803.749324] ffff880000000010 ffff88009f0b7b80 ffff88009f0b7b30 ffffffffb363c3e0 [ 2803.773713] Call Trace: [ 2803.780947] [] dump_stack+0xd7/0x132 [ 2803.799634] [] ? arch_local_irq_restore+0x1b/0x1b [ 2803.819050] [] ubsan_epilogue+0x12/0x53 [ 2803.837568] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2803.863874] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2803.887240] [] kernfs_mount_ns+0x5e2/0x63c [ 2803.906814] [] sysfs_mount+0xab/0x1f8 [ 2803.923727] [] ? sysfs_kill_sb+0x39/0x39 [ 2803.939225] [] ? alloc_vfsmnt+0x680/0x6bf [ 2803.960185] [] ? save_mount_options+0x123/0x123 [ 2803.980311] [] mount_fs+0xd0/0x2ca [ 2803.997426] [] vfs_kern_mount+0xa0/0x20a [ 2804.014318] [] do_mount+0x11fe/0x19df [ 2804.034635] [] ? kasan_kmalloc+0x94/0xa3 [ 2804.048624] [] ? copy_mount_string+0x3d/0x3d [ 2804.072049] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2804.092392] [] ? __check_object_size+0x1e1/0x2b8 [ 2804.112922] [] ? 0xffffffffb1c002b8 [ 2804.126482] [] ? copy_mount_options+0x23d/0x24d [ 2804.146925] [] SyS_mount+0xa3/0xda [ 2804.164497] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2804.185360] ================================================================================ [ 2804.209210] ================================================================================ [ 2804.236306] UBSAN: Undefined behaviour in fs/sysfs/mount.c:44:24 [ 2804.259008] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2804.286055] which requires 64 byte alignment [ 2804.300749] CPU: 2 PID: 259 Comm: mount Tainted: G L 4.8.11 #1 [ 2804.321732] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2804.351339] 00000000ffffffff 00000000b4210e94 ffff88009f0b7ba8 ffffffffb26ec5cc [ 2804.378747] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2804.402892] 0000000000000010 ffff88009f0b7bd0 ffff88009f0b7b80 ffffffffb363c3e0 [ 2804.422642] Call Trace: [ 2804.434968] [] dump_stack+0xd7/0x132 [ 2804.450581] [] ? arch_local_irq_restore+0x1b/0x1b [ 2804.468224] [] ubsan_epilogue+0x12/0x53 [ 2804.488444] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2804.509002] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2804.530025] [] ? kernfs_mount_ns+0x62a/0x63c [ 2804.553341] [] sysfs_mount+0x18c/0x1f8 [ 2804.568371] [] ? sysfs_kill_sb+0x39/0x39 [ 2804.591120] [] ? alloc_vfsmnt+0x680/0x6bf [ 2804.610343] [] ? save_mount_options+0x123/0x123 [ 2804.631632] [] mount_fs+0xd0/0x2ca [ 2804.646556] [] vfs_kern_mount+0xa0/0x20a [ 2804.665777] [] do_mount+0x11fe/0x19df [ 2804.683481] [] ? kasan_kmalloc+0x94/0xa3 [ 2804.701070] [] ? copy_mount_string+0x3d/0x3d [ 2804.717402] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2804.738794] [] ? __check_object_size+0x1e1/0x2b8 [ 2804.758076] [] ? 0xffffffffb1c002b8 [ 2804.777212] [] ? copy_mount_options+0x23d/0x24d [ 2804.795294] [] SyS_mount+0xa3/0xda [ 2804.812236] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2804.834289] ================================================================================ [ 2804.862624] ================================================================================ [ 2804.895219] UBSAN: Undefined behaviour in fs/sysfs/mount.c:44:24 [ 2804.915038] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2804.941916] which requires 64 byte alignment [ 2804.953553] CPU: 2 PID: 259 Comm: mount Tainted: G L 4.8.11 #1 [ 2804.976392] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2805.013358] 00000000ffffffff 00000000b4210e94 ffff88009f0b7ba8 ffffffffb26ec5cc [ 2805.051625] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2805.082873] ffffffff00000010 ffff88009f0b7bd0 ffff88009f0b7b80 ffffffffb363c3e0 [ 2805.118316] Call Trace: [ 2805.129285] [] dump_stack+0xd7/0x132 [ 2805.156480] [] ? arch_local_irq_restore+0x1b/0x1b [ 2805.190841] [] ubsan_epilogue+0x12/0x53 [ 2805.219273] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2805.255250] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2805.284262] [] ? kernfs_mount_ns+0x62a/0x63c [ 2805.308138] [] sysfs_mount+0x1b6/0x1f8 [ 2805.335050] [] ? sysfs_kill_sb+0x39/0x39 [ 2805.363011] [] ? alloc_vfsmnt+0x680/0x6bf [ 2805.392258] [] ? save_mount_options+0x123/0x123 [ 2805.417434] [] mount_fs+0xd0/0x2ca [ 2805.431899] [] vfs_kern_mount+0xa0/0x20a [ 2805.458858] [] do_mount+0x11fe/0x19df [ 2805.481067] [] ? kasan_kmalloc+0x94/0xa3 [ 2805.504610] [] ? copy_mount_string+0x3d/0x3d [ 2805.522805] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 2805.543194] [] ? __check_object_size+0x1e1/0x2b8 [ 2805.563915] [] ? 0xffffffffb1c002b8 [ 2805.579187] [] ? copy_mount_options+0x23d/0x24d [ 2805.602837] [] SyS_mount+0xa3/0xda [ 2805.619610] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2805.641009] ================================================================================ [ 2805.687875] ================================================================================ [ 2805.721270] UBSAN: Undefined behaviour in ./include/linux/cleancache.h:53:28 [ 2805.741388] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2805.774663] which requires 64 byte alignment [ 2805.789945] CPU: 2 PID: 182 Comm: startpar Tainted: G L 4.8.11 #1 [ 2805.818545] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2805.847373] 00000000ffffffff 000000002ffda90b ffff8800a05ef910 ffffffffb26ec5cc [ 2805.872736] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2805.893131] 0000000000000010 ffff8800a05ef938 ffff8800a05ef8e8 ffffffffb363c3e0 [ 2805.918802] Call Trace: [ 2805.927841] [] dump_stack+0xd7/0x132 [ 2805.945711] [] ? arch_local_irq_restore+0x1b/0x1b [ 2805.969097] [] ubsan_epilogue+0x12/0x53 [ 2805.988706] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2806.010687] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2806.037079] [] __delete_from_page_cache+0x25c/0xc83 [ 2806.056634] [] ? is_ftrace_trampoline+0x146/0x153 [ 2806.076127] [] ? __kernel_text_address+0x37/0x55 [ 2806.100481] [] ? read_cache_page_gfp+0x86/0x86 [ 2806.122407] [] ? radix_tree_next_chunk+0x759/0x79f [ 2806.148882] [] __remove_mapping+0x377/0x3f3 [ 2806.168392] [] ? cpuset_zone_allowed.constprop.34+0x5f/0x5f [ 2806.197711] [] ? find_get_entries+0x3e9/0x430 [ 2806.216432] [] remove_mapping+0x75/0xf5 [ 2806.236198] [] ? drop_slab+0x75/0x75 [ 2806.255462] [] ? page_mapped+0x1b0/0x1bd [ 2806.271337] [] invalidate_inode_page+0x11a/0x147 [ 2806.294606] [] ? invalidate_mapping_pages+0x31d/0x3f3 [ 2806.317699] [] invalidate_mapping_pages+0x365/0x3f3 [ 2806.335780] [] ? invalidate_inode_page+0x147/0x147 [ 2806.358299] [] ? wbc_detach_inode+0x512/0x521 [ 2806.378893] [] ? __filemap_fdatawrite_range+0x1bb/0x201 [ 2806.401523] [] ? wb_congested+0x116/0x123 [ 2806.420806] [] ? __fget_light+0xe6/0xf0 [ 2806.441386] [] SYSC_fadvise64_64+0x50c/0x57e [ 2806.468092] [] SyS_fadvise64+0x37/0x39 [ 2806.488059] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2806.515977] ================================================================================ [ 2806.543907] ================================================================================ [ 2806.571156] UBSAN: Undefined behaviour in ./arch/x86/include/asm/bitops.h:311:8 [ 2806.598816] load of misaligned address ffffffffb77ce734 for type 'volatile const long unsigned int' [ 2806.629736] which requires 8 byte alignment [ 2806.642628] CPU: 2 PID: 182 Comm: startpar Tainted: G L 4.8.11 #1 [ 2806.668996] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2806.698993] 00000000ffffffff 000000002ffda90b ffff8800a05ef940 ffffffffb26ec5cc [ 2806.722753] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2806.748505] 0000000000000010 ffff8800a05ef968 ffff8800a05ef918 ffffffffb363c3e0 [ 2806.778640] Call Trace: [ 2806.791907] [] dump_stack+0xd7/0x132 [ 2806.813746] [] ? arch_local_irq_restore+0x1b/0x1b [ 2806.836050] [] ubsan_epilogue+0x12/0x53 [ 2806.854132] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2806.873031] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2806.896275] [] hugetlb_report_meminfo+0x5c/0x192 [ 2806.917705] [] meminfo_proc_show+0x8e5/0x93c [ 2806.940864] [] ? meminfo_proc_open+0x36/0x36 [ 2806.963320] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2806.983010] [] ? kasan_kmalloc+0x94/0xa3 [ 2807.001377] [] seq_read+0x7ba/0x11ae [ 2807.019829] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2807.042081] [] ? __fsnotify_parent+0x229/0x238 [ 2807.060818] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2807.080900] [] proc_reg_read+0x107/0x135 [ 2807.101610] [] ? proc_reg_write+0x135/0x135 [ 2807.120743] [] __vfs_read+0xc2/0x145 [ 2807.137362] [] vfs_read+0x12a/0x209 [ 2807.157653] [] SyS_read+0xec/0x174 [ 2807.174013] [] ? vfs_copy_file_range+0x485/0x485 [ 2807.195354] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2807.219774] ================================================================================ [ 2807.254773] ================================================================================ [ 2807.284278] UBSAN: Undefined behaviour in kernel/irq/irqdesc.c:708:20 [ 2807.307112] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 2807.339571] which requires 64 byte alignment [ 2807.353515] CPU: 2 PID: 182 Comm: startpar Tainted: G L 4.8.11 #1 [ 2807.379154] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2807.409202] 00000000ffffffff 000000002ffda90b ffff8800a05ef9a8 ffffffffb26ec5cc [ 2807.435909] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2807.461095] 0000000000000010 ffff8800a05ef9d0 ffff8800a05ef980 ffffffffb363c3e0 [ 2807.484756] Call Trace: [ 2807.493565] [] dump_stack+0xd7/0x132 [ 2807.509453] [] ? arch_local_irq_restore+0x1b/0x1b [ 2807.532610] [] ubsan_epilogue+0x12/0x53 [ 2807.553038] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2807.574137] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2807.600350] [] kstat_irqs+0x50/0x19d [ 2807.618641] [] kstat_irqs_usr+0x1f/0x2c [ 2807.637343] [] show_stat+0xf45/0x10cc [ 2807.656863] [] ? stat_open+0x75/0x75 [ 2807.674592] [] ? follow_page_mask+0x67f/0x67f [ 2807.691919] [] ? mutex_set_owner+0x8e/0xc6 [ 2807.714824] [] ? aa_put_label+0x24/0x27 [ 2807.735506] [] seq_read+0x7ba/0x11ae [ 2807.754779] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2807.776675] [] ? __fsnotify_parent+0x229/0x238 [ 2807.800820] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2807.824069] [] proc_reg_read+0x107/0x135 [ 2807.841630] [] ? proc_reg_write+0x135/0x135 [ 2807.862367] [] __vfs_read+0xc2/0x145 [ 2807.881741] [] vfs_read+0x12a/0x209 [ 2807.899949] [] SyS_read+0xec/0x174 [ 2807.914565] [] ? vfs_copy_file_range+0x485/0x485 [ 2807.936929] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2807.957602] ================================================================================ [ 2807.984020] ================================================================================ [ 2808.016806] UBSAN: Undefined behaviour in kernel/irq/irqdesc.c:711:11 [ 2808.039229] member access within misaligned address ffff88005d0a5ac8 for type 'struct irq_desc' [ 2808.068771] which requires 64 byte alignment [ 2808.081285] CPU: 2 PID: 182 Comm: startpar Tainted: G L 4.8.11 #1 [ 2808.106449] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2808.136739] 00000000ffffffff 000000002ffda90b ffff8800a05ef9a8 ffffffffb26ec5cc [ 2808.163132] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2808.190683] ffffffff00000010 ffff8800a05ef9d0 ffff8800a05ef980 ffffffffb363c3e0 [ 2808.219357] Call Trace: [ 2808.227217] [] dump_stack+0xd7/0x132 [ 2808.244372] [] ? arch_local_irq_restore+0x1b/0x1b [ 2808.273442] [] ubsan_epilogue+0x12/0x53 [ 2808.287620] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2808.316274] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2808.337231] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2808.359196] [] kstat_irqs+0xfb/0x19d [ 2808.374225] [] kstat_irqs_usr+0x1f/0x2c [ 2808.391870] [] show_stat+0xf45/0x10cc [ 2808.411679] [] ? stat_open+0x75/0x75 [ 2808.428566] [] ? follow_page_mask+0x67f/0x67f [ 2808.447044] [] ? mutex_set_owner+0x8e/0xc6 [ 2808.465511] [] ? aa_put_label+0x24/0x27 [ 2808.489547] [] seq_read+0x7ba/0x11ae [ 2808.506617] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2808.528447] [] ? __fsnotify_parent+0x229/0x238 [ 2808.554386] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2808.578906] [] proc_reg_read+0x107/0x135 [ 2808.598256] [] ? proc_reg_write+0x135/0x135 [ 2808.617773] [] __vfs_read+0xc2/0x145 [ 2808.636096] [] vfs_read+0x12a/0x209 [ 2808.656700] [] SyS_read+0xec/0x174 [ 2808.677569] [] ? vfs_copy_file_range+0x485/0x485 [ 2808.700501] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2808.724749] ================================================================================ [ 2809.004414] ================================================================================ [ 2809.057310] UBSAN: Undefined behaviour in fs/inode.c:1632:18 [ 2809.074256] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 2809.103658] which requires 64 byte alignment [ 2809.117742] CPU: 1 PID: 264 Comm: ps Tainted: G L 4.8.11 #1 [ 2809.138413] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2809.162993] 00000000ffffffff 00000000a9fef51f ffff8800a1867800 ffffffffb26ec5cc [ 2809.187622] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2809.212980] ffff880000000010 ffff8800a1867828 ffff8800a18677d8 ffffffffb363c3e0 [ 2809.238466] Call Trace: [ 2809.244472] [] dump_stack+0xd7/0x132 [ 2809.262641] [] ? arch_local_irq_restore+0x1b/0x1b [ 2809.283094] [] ubsan_epilogue+0x12/0x53 [ 2809.300335] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2809.321029] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2809.342287] [] ? handle_dots.part.12+0x973/0x973 [ 2809.363985] [] ? kasan_poison_shadow+0x2f/0x31 [ 2809.380484] [] atime_needs_update+0x1a3/0x666 [ 2809.398504] [] ? new_inode+0x45/0x45 [ 2809.416687] [] ? __inode_permission+0x261/0x270 [ 2809.434562] [] link_path_walk+0x864/0xc5a [ 2809.455219] [] ? walk_component+0x35a/0x35a [ 2809.473473] [] ? nd_jump_root+0x27d/0x28d [ 2809.487205] [] ? path_init+0x93c/0x950 [ 2809.506577] [] path_openat+0x73a/0x2525 [ 2809.524413] [] ? save_stack_trace+0x31/0xf1 [ 2809.540014] [] ? kasan_slab_alloc+0x12/0x14 [ 2809.558025] [] ? slab_post_alloc_hook+0x97/0xb7 [ 2809.575904] [] ? kmem_cache_alloc+0x20f/0x33f [ 2809.592562] [] ? getname_flags+0x4f/0x2e0 [ 2809.611962] [] ? getname+0x20/0x22 [ 2809.629924] [] ? do_sys_open+0xb2/0x342 [ 2809.642891] [] ? SyS_open+0x32/0x39 [ 2809.658425] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2809.678747] [] ? may_open+0x1c0/0x1c0 [ 2809.693979] [] ? deactivate_slab+0x53d/0x566 [ 2809.713939] [] ? getname_flags+0x4f/0x2e0 [ 2809.733031] [] ? init_object+0x1d6/0x1e2 [ 2809.746931] [] ? expand_files+0x68a/0x6d7 [ 2809.761542] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2809.783174] [] do_filp_open+0xe2/0x18c [ 2809.802825] [] ? path_openat+0x2525/0x2525 [ 2809.822293] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2809.843065] [] ? exit_files+0xaa/0xaa [ 2809.861335] [] do_sys_open+0xf5/0x342 [ 2809.878162] [] ? do_sys_open+0xf5/0x342 [ 2809.894032] [] ? __do_page_fault+0x6d3/0x96b [ 2809.913863] [] ? filp_open+0x68/0x68 [ 2809.930739] [] SyS_open+0x32/0x39 [ 2809.944780] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2809.967080] ================================================================================ [ 2809.994763] ================================================================================ [ 2810.019057] UBSAN: Undefined behaviour in fs/inode.c:1585:19 [ 2810.038675] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 2810.062687] which requires 64 byte alignment [ 2810.077209] CPU: 1 PID: 264 Comm: ps Tainted: G L 4.8.11 #1 [ 2810.102927] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2810.129163] 00000000ffffffff 00000000a9fef51f ffff8800a1867790 ffffffffb26ec5cc [ 2810.155586] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2810.176142] 0000000000000010 ffff8800a18677b8 ffff8800a1867768 ffffffffb363c3e0 [ 2810.199358] Call Trace: [ 2810.206819] [] dump_stack+0xd7/0x132 [ 2810.221487] [] ? arch_local_irq_restore+0x1b/0x1b [ 2810.246218] [] ubsan_epilogue+0x12/0x53 [ 2810.262875] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2810.283161] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2810.305230] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2810.327635] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 2810.348354] [] generic_update_time+0x211/0x255 [ 2810.365214] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 2810.384740] [] update_time+0xd0/0xdc [ 2810.404672] [] touch_atime+0x190/0x20e [ 2810.420826] [] ? atime_needs_update+0x666/0x666 [ 2810.441753] [] ? unlazy_walk+0x4c3/0x4d5 [ 2810.459389] [] link_path_walk+0x896/0xc5a [ 2810.474883] [] ? walk_component+0x35a/0x35a [ 2810.491423] [] ? nd_jump_root+0x27d/0x28d [ 2810.506264] [] ? path_init+0x93c/0x950 [ 2810.523095] [] path_openat+0x73a/0x2525 [ 2810.543536] [] ? save_stack_trace+0x31/0xf1 [ 2810.565014] [] ? kasan_slab_alloc+0x12/0x14 [ 2810.584624] [] ? slab_post_alloc_hook+0x97/0xb7 [ 2810.604220] [] ? kmem_cache_alloc+0x20f/0x33f [ 2810.623645] [] ? getname_flags+0x4f/0x2e0 [ 2810.643236] [] ? getname+0x20/0x22 [ 2810.658200] [] ? do_sys_open+0xb2/0x342 [ 2810.676144] [] ? SyS_open+0x32/0x39 [ 2810.689172] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2810.709257] [] ? may_open+0x1c0/0x1c0 [ 2810.727371] [] ? deactivate_slab+0x53d/0x566 [ 2810.745035] [] ? getname_flags+0x4f/0x2e0 [ 2810.762817] [] ? init_object+0x1d6/0x1e2 [ 2810.779440] [] ? expand_files+0x68a/0x6d7 [ 2810.927042] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2810.948731] [] do_filp_open+0xe2/0x18c [ 2810.966929] [] ? path_openat+0x2525/0x2525 [ 2810.984750] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2811.004794] [] ? exit_files+0xaa/0xaa [ 2811.020770] [] do_sys_open+0xf5/0x342 [ 2811.038955] [] ? do_sys_open+0xf5/0x342 [ 2811.053245] [] ? __do_page_fault+0x6d3/0x96b [ 2811.071637] [] ? filp_open+0x68/0x68 [ 2811.086784] [] SyS_open+0x32/0x39 [ 2811.103120] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2811.123938] ================================================================================ [ 2811.158204] ================================================================================ [ 2811.184842] UBSAN: Undefined behaviour in fs/proc/self.c:25:24 [ 2811.203258] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 2811.234270] which requires 64 byte alignment [ 2811.245126] CPU: 1 PID: 264 Comm: ps Tainted: G L 4.8.11 #1 [ 2811.263778] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2811.295252] 00000000ffffffff 00000000a9fef51f ffff8800a1867880 ffffffffb26ec5cc [ 2811.320970] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2811.350205] 0000000000000010 ffff8800a18678a8 ffff8800a1867858 ffffffffb363c3e0 [ 2811.371865] Call Trace: [ 2811.379564] [] dump_stack+0xd7/0x132 [ 2811.396463] [] ? arch_local_irq_restore+0x1b/0x1b [ 2811.420378] [] ubsan_epilogue+0x12/0x53 [ 2811.433864] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2811.455955] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2811.478664] [] ? touch_atime+0x1d8/0x20e [ 2811.496070] [] ? atime_needs_update+0x666/0x666 [ 2811.515071] [] proc_self_get_link+0x5d/0x163 [ 2811.536128] [] link_path_walk+0xa1d/0xc5a [ 2811.554228] [] ? proc_self_readlink+0x14f/0x14f [ 2811.578372] [] ? walk_component+0x35a/0x35a [ 2811.597031] [] ? nd_jump_root+0x27d/0x28d [ 2811.618983] [] ? path_init+0x93c/0x950 [ 2811.637566] [] path_openat+0x73a/0x2525 [ 2811.656556] [] ? save_stack_trace+0x31/0xf1 [ 2811.674578] [] ? kasan_slab_alloc+0x12/0x14 [ 2811.690953] [] ? slab_post_alloc_hook+0x97/0xb7 [ 2811.708109] [] ? kmem_cache_alloc+0x20f/0x33f [ 2811.729177] [] ? getname_flags+0x4f/0x2e0 [ 2811.746827] [] ? getname+0x20/0x22 [ 2811.766261] [] ? do_sys_open+0xb2/0x342 [ 2811.785667] [] ? SyS_open+0x32/0x39 [ 2811.804943] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2811.826307] [] ? may_open+0x1c0/0x1c0 [ 2811.843532] [] ? deactivate_slab+0x53d/0x566 [ 2811.861030] [] ? getname_flags+0x4f/0x2e0 [ 2811.883042] [] ? init_object+0x1d6/0x1e2 [ 2811.900745] [] ? expand_files+0x68a/0x6d7 [ 2811.920714] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2811.943788] [] do_filp_open+0xe2/0x18c [ 2811.960606] [] ? path_openat+0x2525/0x2525 [ 2811.985020] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2812.004859] [] ? exit_files+0xaa/0xaa [ 2812.024397] [] do_sys_open+0xf5/0x342 [ 2812.041535] [] ? do_sys_open+0xf5/0x342 [ 2812.060655] [] ? __do_page_fault+0x6d3/0x96b [ 2812.081670] [] ? filp_open+0x68/0x68 [ 2812.101584] [] SyS_open+0x32/0x39 [ 2812.120381] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2812.140580] ================================================================================ [ 2812.179015] ================================================================================ [ 2812.215224] UBSAN: Undefined behaviour in fs/proc/base.c:3067:5 [ 2812.234988] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 2812.263819] which requires 64 byte alignment [ 2812.277375] CPU: 0 PID: 264 Comm: ps Tainted: G L 4.8.11 #1 [ 2812.300510] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2812.331566] 00000000ffffffff 00000000a9fef51f ffff8800a1867678 ffffffffb26ec5cc [ 2812.356814] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2812.381470] ffff880000000010 ffff8800a18676a0 ffff8800a1867650 ffffffffb363c3e0 [ 2812.404376] Call Trace: [ 2812.411624] [] dump_stack+0xd7/0x132 [ 2812.429457] [] ? arch_local_irq_restore+0x1b/0x1b [ 2812.451869] [] ubsan_epilogue+0x12/0x53 [ 2812.471641] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2812.492777] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2812.519111] [] ? number+0x7ba/0x7fc [ 2812.534699] [] ? name_to_int+0x118/0x126 [ 2812.554238] [] proc_pid_lookup+0x7b/0xd6 [ 2812.570912] [] proc_root_lookup+0x2b/0x58 [ 2812.589144] [] ? lookup_slow+0x261/0x2e1 [ 2812.604862] [] lookup_slow+0x271/0x2e1 [ 2812.623883] [] ? d_lookup_done+0x63/0x63 [ 2812.641354] [] ? pointer+0x7a9/0x7a9 [ 2812.659233] [] ? kasan_poison_shadow+0x2f/0x31 [ 2812.678529] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2812.704045] [] walk_component+0x191/0x35a [ 2812.720351] [] ? handle_dots.part.12+0x973/0x973 [ 2812.742183] [] ? sprintf+0xc7/0xf0 [ 2812.759743] [] ? security_inode_permission+0xd0/0xdd [ 2812.782093] [] ? __inode_permission+0x261/0x270 [ 2812.805029] [] link_path_walk+0x747/0xc5a [ 2812.823749] [] ? walk_component+0x35a/0x35a [ 2812.844734] [] ? nd_jump_root+0x27d/0x28d [ 2812.863711] [] ? path_init+0x93c/0x950 [ 2812.884427] [] path_openat+0x73a/0x2525 [ 2812.902241] [] ? save_stack_trace+0x31/0xf1 [ 2812.921240] [] ? kasan_slab_alloc+0x12/0x14 [ 2812.938892] [] ? slab_post_alloc_hook+0x97/0xb7 [ 2812.959854] [] ? kmem_cache_alloc+0x20f/0x33f [ 2812.978255] [] ? getname_flags+0x4f/0x2e0 [ 2812.997207] [] ? getname+0x20/0x22 [ 2813.013120] [] ? do_sys_open+0xb2/0x342 [ 2813.028272] [] ? SyS_open+0x32/0x39 [ 2813.045237] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2813.069288] [] ? may_open+0x1c0/0x1c0 [ 2813.087539] [] ? deactivate_slab+0x53d/0x566 [ 2813.111180] [] ? getname_flags+0x4f/0x2e0 [ 2813.134871] [] ? init_object+0x1d6/0x1e2 [ 2813.153512] [] ? expand_files+0x68a/0x6d7 [ 2813.168536] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2813.194830] [] do_filp_open+0xe2/0x18c [ 2813.212641] [] ? path_openat+0x2525/0x2525 [ 2813.236590] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2813.257287] [] ? simple_attr_release+0x48/0x48 [ 2813.278589] [] ? exit_files+0xaa/0xaa [ 2813.294413] [] do_sys_open+0xf5/0x342 [ 2813.309196] [] ? do_sys_open+0xf5/0x342 [ 2813.328623] [] ? __do_page_fault+0x6d3/0x96b [ 2813.348754] [] ? filp_open+0x68/0x68 [ 2813.364856] [] SyS_open+0x32/0x39 [ 2813.382504] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2813.403992] ================================================================================ [ 2813.432576] ================================================================================ [ 2813.460331] UBSAN: Undefined behaviour in fs/proc/base.c:746:24 [ 2813.478076] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 2813.507126] which requires 64 byte alignment [ 2813.522328] CPU: 0 PID: 264 Comm: ps Tainted: G L 4.8.11 #1 [ 2813.541270] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2813.575439] 00000000ffffffff 00000000a9fef51f ffff8800a18677f8 ffffffffb26ec5cc [ 2813.602881] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2813.625758] ffff880000000010 ffff8800a1867820 ffff8800a18677d0 ffffffffb363c3e0 [ 2813.655245] Call Trace: [ 2813.661499] [] dump_stack+0xd7/0x132 [ 2813.678849] [] ? arch_local_irq_restore+0x1b/0x1b [ 2813.698121] [] ubsan_epilogue+0x12/0x53 [ 2813.716683] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2813.737350] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2813.759204] [] ? walk_component+0x314/0x35a [ 2813.776825] [] ? handle_dots.part.12+0x973/0x973 [ 2813.796691] [] ? sprintf+0xc7/0xf0 [ 2813.810692] [] ? pid_getattr+0x298/0x298 [ 2813.831367] [] proc_pid_permission+0x5e/0x113 [ 2813.852884] [] ? __inode_permission+0x122/0x270 [ 2813.870997] [] ? pid_getattr+0x298/0x298 [ 2813.888313] [] __inode_permission+0x16d/0x270 [ 2813.908275] [] ? link_path_walk+0x3b7/0xc5a [ 2813.925633] [] inode_permission+0xd8/0xed [ 2813.943051] [] ? link_path_walk+0x3b7/0xc5a [ 2813.962832] [] link_path_walk+0x3c5/0xc5a [ 2813.983545] [] ? walk_component+0x35a/0x35a [ 2814.001322] [] ? nd_jump_root+0x27d/0x28d [ 2814.020871] [] ? path_init+0x93c/0x950 [ 2814.039009] [] path_openat+0x73a/0x2525 [ 2814.058031] [] ? save_stack_trace+0x31/0xf1 [ 2814.076728] [] ? kasan_slab_alloc+0x12/0x14 [ 2814.093738] [] ? slab_post_alloc_hook+0x97/0xb7 [ 2814.111421] [] ? kmem_cache_alloc+0x20f/0x33f [ 2814.134195] [] ? getname_flags+0x4f/0x2e0 [ 2814.150605] [] ? getname+0x20/0x22 [ 2814.167391] [] ? do_sys_open+0xb2/0x342 [ 2814.185079] [] ? SyS_open+0x32/0x39 [ 2814.202099] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2814.221403] [] ? may_open+0x1c0/0x1c0 [ 2814.239107] [] ? deactivate_slab+0x53d/0x566 [ 2814.256027] [] ? getname_flags+0x4f/0x2e0 [ 2814.276215] [] ? init_object+0x1d6/0x1e2 [ 2814.293100] [] ? expand_files+0x68a/0x6d7 [ 2814.311816] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2814.335906] [] do_filp_open+0xe2/0x18c [ 2814.352712] [] ? path_openat+0x2525/0x2525 [ 2814.369170] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2814.392315] [] ? simple_attr_release+0x48/0x48 [ 2814.422459] [] ? exit_files+0xaa/0xaa [ 2814.450247] [] do_sys_open+0xf5/0x342 [ 2814.474477] [] ? do_sys_open+0xf5/0x342 [ 2814.494662] [] ? __do_page_fault+0x6d3/0x96b [ 2814.521665] [] ? filp_open+0x68/0x68 [ 2814.541388] [] SyS_open+0x32/0x39 [ 2814.558152] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2814.583037] ================================================================================ [ 2814.608861] ================================================================================ [ 2814.648066] UBSAN: Undefined behaviour in fs/proc/base.c:786:5 [ 2814.679459] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 2814.716994] which requires 64 byte alignment [ 2814.742430] CPU: 0 PID: 264 Comm: ps Tainted: G L 4.8.11 #1 [ 2814.778584] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2814.824896] 00000000ffffffff 00000000a9fef51f ffff8800a1867bc8 ffffffffb26ec5cc [ 2814.864151] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2814.900226] ffffffff00000010 ffff8800a1867bf0 ffff8800a1867ba0 ffffffffb363c3e0 [ 2814.933161] Call Trace: [ 2814.946392] [] dump_stack+0xd7/0x132 [ 2814.967545] [] ? arch_local_irq_restore+0x1b/0x1b [ 2814.987699] [] ubsan_epilogue+0x12/0x53 [ 2815.002032] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2815.025329] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2815.047609] [] ? __kmalloc+0x2c1/0x2e7 [ 2815.063194] [] ? seq_buf_alloc+0x39/0x67 [ 2815.082361] [] proc_single_show+0x88/0x140 [ 2815.100928] [] ? seq_read+0x7b0/0x11ae [ 2815.116136] [] seq_read+0x7ba/0x11ae [ 2815.135477] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2815.155046] [] ? fsnotify_perm+0x111/0x11e [ 2815.172213] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2815.190750] [] __vfs_read+0xc2/0x145 [ 2815.206900] [] vfs_read+0x12a/0x209 [ 2815.224569] [] SyS_read+0xec/0x174 [ 2815.237611] [] ? vfs_copy_file_range+0x485/0x485 [ 2815.259957] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2815.286357] ================================================================================ [ 2815.320394] ================================================================================ [ 2815.356632] UBSAN: Undefined behaviour in fs/proc/base.c:3131:24 [ 2815.379129] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 2815.414510] which requires 64 byte alignment [ 2815.433291] CPU: 0 PID: 264 Comm: ps Tainted: G L 4.8.11 #1 [ 2815.461211] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2815.498306] 00000000ffffffff 00000000a9fef51f ffff8800a1867c68 ffffffffb26ec5cc [ 2815.528793] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2815.559276] ffff880000000010 ffff8800a1867c90 ffff8800a1867c40 ffffffffb363c3e0 [ 2815.588971] Call Trace: [ 2815.597946] [] dump_stack+0xd7/0x132 [ 2815.621879] [] ? arch_local_irq_restore+0x1b/0x1b [ 2815.645916] [] ubsan_epilogue+0x12/0x53 [ 2815.665487] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2815.694261] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2815.723784] [] ? __check_object_size+0x1e1/0x2b8 [ 2815.747371] [] ? 0xffffffffb1c002b8 [ 2815.764137] [] proc_pid_readdir+0xed/0x4b9 [ 2815.786549] [] ? proc_pid_lookup+0xd6/0xd6 [ 2815.807913] [] proc_root_readdir+0x9b/0xae [ 2815.828139] [] ? iterate_dir+0x248/0x45f [ 2815.844080] [] iterate_dir+0x252/0x45f [ 2815.863268] [] SyS_getdents+0x139/0x1e6 [ 2815.879390] [] ? SyS_old_readdir+0x149/0x149 [ 2815.895330] [] ? filldir64+0x311/0x311 [ 2815.912390] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2815.934190] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2815.957039] ================================================================================ [ 2815.997425] ================================================================================ [ 2816.027526] UBSAN: Undefined behaviour in fs/proc/base.c:1706:24 [ 2816.061333] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 2816.097752] which requires 64 byte alignment [ 2816.114328] CPU: 0 PID: 264 Comm: ps Tainted: G L 4.8.11 #1 [ 2816.143387] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2816.180566] 00000000ffffffff 00000000a9fef51f ffff8800a1867c10 ffffffffb26ec5cc [ 2816.211707] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2816.242476] ffff880000000010 ffff8800a1867c38 ffff8800a1867be8 ffffffffb363c3e0 [ 2816.274924] Call Trace: [ 2816.282849] [] dump_stack+0xd7/0x132 [ 2816.306945] [] ? arch_local_irq_restore+0x1b/0x1b [ 2816.327726] [] ubsan_epilogue+0x12/0x53 [ 2816.350491] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2816.376698] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2816.402886] [] ? common_perm+0x92/0x92 [ 2816.423756] [] ? has_pid_permissions+0x94/0x94 [ 2816.445634] [] pid_getattr+0x86/0x298 [ 2816.467361] [] ? vfs_getattr_nosec+0x11b/0x154 [ 2816.491134] [] ? has_pid_permissions+0x94/0x94 [ 2816.510776] [] vfs_getattr_nosec+0x128/0x154 [ 2816.537196] [] vfs_getattr+0x34/0x45 [ 2816.556278] [] vfs_fstatat+0xea/0x169 [ 2816.573671] [] ? SYSC_fstat+0xe7/0xe7 [ 2816.587681] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2816.613603] [] vfs_stat+0x29/0x2e [ 2816.630862] [] SYSC_newstat+0x87/0xf4 [ 2816.652634] [] ? cp_new_stat+0x470/0x470 [ 2816.672745] [] ? __do_page_fault+0x6d3/0x96b [ 2816.691227] [] SyS_newstat+0x27/0x29 [ 2816.711808] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2816.736991] ================================================================================ [ 2817.581969] ================================================================================ [ 2817.619097] UBSAN: Undefined behaviour in ./include/linux/fs.h:2168:9 [ 2817.640030] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2817.676437] which requires 64 byte alignment [ 2817.695104] CPU: 2 PID: 260 Comm: udev Tainted: G L 4.8.11 #1 [ 2817.726987] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2817.767638] 00000000ffffffff 00000000e4faba4e ffff8800a0667a08 ffffffffb26ec5cc [ 2817.798395] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2817.826727] ffff880000000010 ffff8800a0667a30 ffff8800a06679e0 ffffffffb363c3e0 [ 2817.857062] Call Trace: [ 2817.864673] [] dump_stack+0xd7/0x132 [ 2817.885958] [] ? arch_local_irq_restore+0x1b/0x1b [ 2817.906487] [] ubsan_epilogue+0x12/0x53 [ 2817.927109] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2817.951190] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2817.974658] [] path_openat+0x24b9/0x2525 [ 2817.993402] [] ? qlink_to_cache+0x22/0x87 [ 2818.013393] [] ? may_open+0x1c0/0x1c0 [ 2818.034336] [] ? deactivate_slab+0x53d/0x566 [ 2818.056485] [] ? getname_flags+0x4f/0x2e0 [ 2818.079225] [] ? init_object+0x1d6/0x1e2 [ 2818.099759] [] ? expand_files+0x68a/0x6d7 [ 2818.120869] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2818.155945] [] do_filp_open+0xe2/0x18c [ 2818.178834] [] ? path_openat+0x2525/0x2525 [ 2818.207227] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2818.238077] [] ? __alloc_fd+0x43d/0x47f [ 2818.260860] [] ? exit_files+0xaa/0xaa [ 2818.284213] [] do_sys_open+0xf5/0x342 [ 2818.320557] [] ? do_sys_open+0xf5/0x342 [ 2818.349301] [] ? __do_page_fault+0x6d3/0x96b [ 2818.376216] [] ? filp_open+0x68/0x68 [ 2818.395989] [] SyS_open+0x32/0x39 [ 2818.415370] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2818.447171] ================================================================================ [....] Starting the hotplug events dispatcher: udevd[ 2819.459302] ================================================================================ [ 2819.510056] UBSAN: Undefined behaviour in mm/shmem.c:133:11 [ 2819.532950] member access within misaligned address ffff8800a2fa1c10 for type 'struct super_block' [ 2819.581801] which requires 64 byte alignment [ 2819.604150] CPU: 3 PID: 277 Comm: udevd Tainted: G L 4.8.11 #1 [ 2819.632791] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2819.678265] 00000000ffffffff 00000000f05b5261 ffff88009e63fc58 ffffffffb26ec5cc [ 2819.713532] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2819.742128] ffff880000000010 ffff88009e63fc80 ffff88009e63fc30 ffffffffb363c3e0 [ 2819.771870] Call Trace: [ 2819.780060] [] dump_stack+0xd7/0x132 [ 2819.812882] [] ? arch_local_irq_restore+0x1b/0x1b [ 2819.848009] [] ubsan_epilogue+0x12/0x53 [ 2819.876036] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2819.898209] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2819.929752] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2819.960052] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2819.991958] [] ? getname_flags+0x4f/0x2e0 [ 2820.015764] [] shmem_statfs+0x5c/0x2da [ 2820.040273] [] statfs_by_dentry+0x14b/0x1db [ 2820.085409] [] vfs_statfs+0x4b/0x1e1 [ 2820.108920] [] user_statfs+0xa4/0x105 [ 2820.132585] [] ? vfs_statfs+0x1e1/0x1e1 [ 2820.158569] [] ? do_utimes+0x25f/0x29e [ 2820.191614] [] ? utimes_common+0x589/0x589 [ 2820.215866] [] SYSC_statfs+0x85/0xe9 [ 2820.249271] [] ? user_statfs+0x105/0x105 [ 2820.273992] [] SyS_statfs+0x27/0x29 [ 2820.298479] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2820.327499] ================================================================================ [ 2820.396672] ================================================================================ [ 2820.433945] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:228:11 [ 2820.479668] member access within misaligned address ffff8800a369aac8 for type 'const struct bucket_table' [ 2820.717271] which requires 64 byte alignment [ 2820.779771] CPU: 3 PID: 277 Comm: udevd Tainted: G L 4.8.11 #1 [ 2820.842460] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2820.886035] 00000000ffffffff 00000000f05b5261 ffff88009e63fa80 ffffffffb26ec5cc [ 2820.920100] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2820.955923] ffff880000000010 ffff88009e63faa8 ffff88009e63fa58 ffffffffb363c3e0 [ 2820.991211] Call Trace: [ 2821.001517] [] dump_stack+0xd7/0x132 [ 2821.022561] [] ? arch_local_irq_restore+0x1b/0x1b [ 2821.045752] [] ubsan_epilogue+0x12/0x53 [ 2821.064052] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2821.095078] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2821.125102] [] rht_key_hashfn.isra.4.constprop.35+0x2b/0x78 [ 2821.157175] [] rhashtable_lookup_fast.isra.6.constprop.24+0xc0/0x1f8 [ 2821.190942] [] ? rht_key_hashfn.isra.4.constprop.35+0x78/0x78 [ 2821.223393] [] ? pid_nr_ns+0x11b/0x128 [ 2821.243872] [] netlink_autobind+0x1c4/0x2b7 [ 2821.265583] [] ? netlink_insert+0xa6d/0xa6d [ 2821.293165] [] ? netlink_realloc_groups+0x241/0x250 [ 2821.320762] [] netlink_bind+0x44d/0x737 [ 2821.341087] [] ? netlink_setsockopt+0x6e6/0x6e6 [ 2821.369280] [] ? security_socket_bind+0xa5/0xb4 [ 2821.396210] [] SYSC_bind+0x15f/0x1f7 [ 2821.417618] [] ? move_addr_to_kernel+0x9e/0x9e [ 2821.443220] [] ? sock_alloc_file+0x2cf/0x315 [ 2821.464505] [] ? copy_user_overflow+0x33/0x33 [ 2821.488441] [] ? __sock_create+0x3e2/0x3f4 [ 2821.510984] [] ? SYSC_socket+0x11e/0x157 [ 2821.530957] [] ? sock_create+0x9d/0x9d [ 2821.554436] [] ? prepare_exit_to_usermode+0x7d/0x1d9 [ 2821.582285] [] SyS_bind+0x2f/0x31 [ 2821.610090] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2821.637795] ================================================================================ [ 2821.681354] ================================================================================ [ 2821.728331] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:208:49 [ 2821.769815] member access within misaligned address ffff8800a369aac8 for type 'const struct bucket_table' [ 2821.809387] which requires 64 byte alignment [ 2821.832086] CPU: 3 PID: 277 Comm: udevd Tainted: G L 4.8.11 #1 [ 2821.872457] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2821.941594] 00000000ffffffff 00000000f05b5261 ffff88009e63fa80 ffffffffb26ec5cc [ 2822.066087] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2822.132106] ffff880000000010 ffff88009e63faa8 ffff88009e63fa58 ffffffffb363c3e0 [ 2822.163549] Call Trace: [ 2822.177036] [] dump_stack+0xd7/0x132 [ 2822.194334] [] ? arch_local_irq_restore+0x1b/0x1b [ 2822.217104] [] ubsan_epilogue+0x12/0x53 [ 2822.239220] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2822.261660] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2822.293922] [] ? jhash2+0x27f/0x28d [ 2822.312670] [] rht_key_hashfn.isra.4.constprop.35+0x63/0x78 [ 2822.344654] [] rhashtable_lookup_fast.isra.6.constprop.24+0xc0/0x1f8 [ 2822.378145] [] ? rht_key_hashfn.isra.4.constprop.35+0x78/0x78 [ 2822.406519] [] ? pid_nr_ns+0x11b/0x128 [ 2822.427023] [] netlink_autobind+0x1c4/0x2b7 [ 2822.448740] [] ? netlink_insert+0xa6d/0xa6d [ 2822.475163] [] ? netlink_realloc_groups+0x241/0x250 [ 2822.501753] [] netlink_bind+0x44d/0x737 [ 2822.525075] [] ? netlink_setsockopt+0x6e6/0x6e6 [ 2822.552651] [] ? security_socket_bind+0xa5/0xb4 [ 2822.580949] [] SYSC_bind+0x15f/0x1f7 [ 2822.604924] [] ? move_addr_to_kernel+0x9e/0x9e [ 2822.629583] [] ? sock_alloc_file+0x2cf/0x315 [ 2822.648661] [] ? copy_user_overflow+0x33/0x33 [ 2822.675968] [] ? __sock_create+0x3e2/0x3f4 [ 2822.698530] [] ? SYSC_socket+0x11e/0x157 [ 2822.722304] [] ? sock_create+0x9d/0x9d [ 2822.744087] [] ? prepare_exit_to_usermode+0x7d/0x1d9 [ 2822.776413] [] SyS_bind+0x2f/0x31 [ 2822.800080] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2822.831872] ================================================================================ [ 2822.865591] ================================================================================ [ 2822.906643] UBSAN: Undefined behaviour in mm/filemap.c:2563:6 [ 2822.929758] member access within misaligned address ffff8800a2fa1c10 for type 'struct super_block' [ 2822.965000] which requires 64 byte alignment [ 2822.981839] CPU: 3 PID: 277 Comm: udevd Tainted: G L 4.8.11 #1 [ 2823.006056] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2823.043495] 00000000ffffffff 00000000f05b5261 ffff88009e63fb78 ffffffffb26ec5cc [ 2823.072888] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2823.106355] 0000000000000010 ffff88009e63fba0 ffff88009e63fb50 ffffffffb363c3e0 [ 2823.138238] Call Trace: [ 2823.145681] [] dump_stack+0xd7/0x132 [ 2823.163785] [] ? arch_local_irq_restore+0x1b/0x1b [ 2823.187435] [] ubsan_epilogue+0x12/0x53 [ 2823.210807] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2823.236026] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2823.265418] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2823.295407] [] ? down_write+0xb3/0xea [ 2823.320015] [] generic_write_checks+0x39c/0x47f [ 2823.342709] [] generic_file_write_iter+0xb1/0x20f [ 2823.365607] [] ? new_sync_write+0x15f/0x21c [ 2823.396870] [] new_sync_write+0x16e/0x21c [ 2823.424205] [] ? new_sync_write.part.9+0x1c/0x1c [ 2823.445754] [] ? apply_to_page_range+0x3d6/0x3d6 [ 2823.469285] [] ? aa_end_current_label+0x29/0x2c [ 2823.507285] [] __vfs_write+0x12c/0x145 [ 2823.578081] [] vfs_write+0x135/0x220 [ 2823.627116] [] SyS_write+0xec/0x174 [ 2823.647779] [] ? SyS_read+0x174/0x174 [ 2823.666667] [] ? prepare_exit_to_usermode+0x7d/0x1d9 [ 2823.695474] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2823.716874] ================================================================================ [ 2823.753130] ================================================================================ [ 2823.788090] UBSAN: Undefined behaviour in mm/filemap.c:2566:37 [ 2823.810138] member access within misaligned address ffff8800a2fa1c10 for type 'struct super_block' [ 2823.844070] which requires 64 byte alignment [ 2823.862853] CPU: 3 PID: 277 Comm: udevd Tainted: G L 4.8.11 #1 [ 2823.891617] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2823.927365] 00000000ffffffff 00000000f05b5261 ffff88009e63fb78 ffffffffb26ec5cc [ 2823.958079] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2823.992283] ffffffff00000010 ffff88009e63fba0 ffff88009e63fb50 ffffffffb363c3e0 [ 2824.019711] Call Trace: [ 2824.026686] [] dump_stack+0xd7/0x132 [ 2824.048713] [] ? arch_local_irq_restore+0x1b/0x1b [ 2824.080922] [] ubsan_epilogue+0x12/0x53 [ 2824.104869] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2824.129420] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2824.156639] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2824.186597] [] ? down_write+0xb3/0xea [ 2824.224916] [] generic_write_checks+0x3ed/0x47f [ 2824.276288] [] generic_file_write_iter+0xb1/0x20f [ 2824.298815] [] ? new_sync_write+0x15f/0x21c [ 2824.322708] [] new_sync_write+0x16e/0x21c [ 2824.345618] [] ? new_sync_write.part.9+0x1c/0x1c [ 2824.376786] [] ? apply_to_page_range+0x3d6/0x3d6 [ 2824.399493] [] ? aa_end_current_label+0x29/0x2c [ 2824.426830] [] __vfs_write+0x12c/0x145 [ 2824.446932] [] vfs_write+0x135/0x220 [ 2824.471382] [] SyS_write+0xec/0x174 [ 2824.490909] [] ? SyS_read+0x174/0x174 [ 2824.510810] [] ? prepare_exit_to_usermode+0x7d/0x1d9 [ 2824.542272] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2824.571209] ================================================================================ [ 2824.602959] ================================================================================ [ 2824.633327] UBSAN: Undefined behaviour in ./include/linux/fs.h:3154:45 [ 2824.658694] member access within misaligned address ffff8800a2fa1c10 for type 'struct super_block' [ 2824.690638] which requires 64 byte alignment [ 2824.709914] CPU: 3 PID: 277 Comm: udevd Tainted: G L 4.8.11 #1 [ 2824.738918] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2824.775350] 00000000ffffffff 00000000f05b5261 ffff88009e63fa88 ffffffffb26ec5cc [ 2824.805369] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2824.831826] ffff880000000010 ffff88009e63fab0 ffff88009e63fa60 ffffffffb363c3e0 [ 2824.865036] Call Trace: [ 2824.875504] [] dump_stack+0xd7/0x132 [ 2824.898463] [] ? arch_local_irq_restore+0x1b/0x1b [ 2824.923329] [] ubsan_epilogue+0x12/0x53 [ 2824.942961] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2824.976890] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2825.001298] [] file_remove_privs+0x2b4/0x360 [ 2825.023321] [] ? dentry_needs_remove_privs+0xb0/0xb0 [ 2825.050152] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2825.080444] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2825.108462] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2825.133425] [] __generic_file_write_iter+0xee/0x40f [ 2825.158535] [] ? generic_write_checks+0x46f/0x47f [ 2825.180130] [] generic_file_write_iter+0xc9/0x20f [ 2825.205548] [] ? new_sync_write+0x15f/0x21c [ 2825.231359] [] new_sync_write+0x16e/0x21c [ 2825.250612] [] ? new_sync_write.part.9+0x1c/0x1c [ 2825.278459] [] ? apply_to_page_range+0x3d6/0x3d6 [ 2825.300828] [] ? aa_end_current_label+0x29/0x2c [ 2825.324748] [] __vfs_write+0x12c/0x145 [ 2825.346361] [] vfs_write+0x135/0x220 [ 2825.363446] [] SyS_write+0xec/0x174 [ 2825.384041] [] ? SyS_read+0x174/0x174 [ 2825.404819] [] ? prepare_exit_to_usermode+0x7d/0x1d9 [ 2825.431329] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2825.455041] ================================================================================ [ 2825.495702] ================================================================================ [ 2825.531925] UBSAN: Undefined behaviour in fs/inode.c:1806:6 [ 2825.557163] member access within misaligned address ffff8800a2fa1c10 for type 'struct super_block' [ 2825.599472] which requires 64 byte alignment [ 2825.615700] CPU: 3 PID: 277 Comm: udevd Tainted: G L 4.8.11 #1 [ 2825.644041] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2825.682025] 00000000ffffffff 00000000f05b5261 ffff88009e63fac0 ffffffffb26ec5cc [ 2825.718125] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2825.750087] 0000000000000010 ffff88009e63fae8 ffff88009e63fa98 ffffffffb363c3e0 [ 2825.779256] Call Trace: [ 2825.788615] [] dump_stack+0xd7/0x132 [ 2825.809237] [] ? arch_local_irq_restore+0x1b/0x1b [ 2825.831863] [] ubsan_epilogue+0x12/0x53 [ 2825.856885] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2825.880413] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2825.909256] [] ? timespec_trunc+0xb7/0xcc [ 2825.928422] [] file_update_time+0x238/0x2f2 [ 2825.952993] [] ? inode_sb_list_add+0xf2/0xf2 [ 2825.976830] [] __generic_file_write_iter+0x107/0x40f [ 2826.002494] [] ? generic_write_checks+0x46f/0x47f [ 2826.025632] [] generic_file_write_iter+0xc9/0x20f [ 2826.047444] [] ? new_sync_write+0x15f/0x21c [ 2826.075996] [] new_sync_write+0x16e/0x21c [ 2826.097633] [] ? new_sync_write.part.9+0x1c/0x1c [ 2826.118974] [] ? apply_to_page_range+0x3d6/0x3d6 [ 2826.142194] [] ? aa_end_current_label+0x29/0x2c [ 2826.165530] [] __vfs_write+0x12c/0x145 [ 2826.191281] [] vfs_write+0x135/0x220 [ 2826.211371] [] SyS_write+0xec/0x174 [ 2826.234051] [] ? SyS_read+0x174/0x174 [ 2826.257299] [] ? prepare_exit_to_usermode+0x7d/0x1d9 [ 2826.283769] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2826.308220] ================================================================================ [ 2826.343293] ================================================================================ [ 2826.381242] UBSAN: Undefined behaviour in mm/shmem.c:133:11 [ 2826.403670] member access within misaligned address ffff8800a2fa1c10 for type 'struct super_block' [ 2826.439834] which requires 64 byte alignment [ 2826.452805] CPU: 3 PID: 277 Comm: udevd Tainted: G L 4.8.11 #1 [ 2826.479301] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2826.520209] 00000000ffffffff 00000000f05b5261 ffff88009e63f828 ffffffffb26ec5cc [ 2826.545141] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2826.575092] 0000000000000010 ffff88009e63f850 ffff88009e63f800 ffffffffb363c3e0 [ 2826.606284] Call Trace: [ 2826.615091] [] dump_stack+0xd7/0x132 [ 2826.633279] [] ? arch_local_irq_restore+0x1b/0x1b [ 2826.659474] [] ubsan_epilogue+0x12/0x53 [ 2826.681140] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2826.709396] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2826.741491] [] ? find_get_entry+0xf6/0x104 [ 2826.763592] [] shmem_getpage_gfp+0x365/0x11f3 [ 2826.783094] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2826.811946] [] ? shmem_show_options+0x450/0x450 [ 2826.840657] [] ? __list_add+0x211/0x249 [ 2826.860502] [] ? __list_del_entry+0x20c/0x242 [ 2826.892288] [] ? fault_in_multipages_readable+0xeb/0x122 [ 2826.920370] [] shmem_getpage+0x8f/0x9e [ 2826.941457] [] shmem_write_begin+0xa2/0x15b [ 2826.971763] [] generic_perform_write+0x341/0x51a [ 2826.999200] [] ? try_to_release_page+0x18a/0x18a [ 2827.023165] [] ? file_update_time+0x299/0x2f2 [ 2827.046935] [] ? inode_sb_list_add+0xf2/0xf2 [ 2827.066930] [] __generic_file_write_iter+0x344/0x40f [ 2827.100061] [] ? generic_write_checks+0x46f/0x47f [ 2827.124712] [] generic_file_write_iter+0xc9/0x20f [ 2827.152588] [] ? new_sync_write+0x15f/0x21c [ 2827.172227] [] new_sync_write+0x16e/0x21c [ 2827.199600] [] ? new_sync_write.part.9+0x1c/0x1c [ 2827.227098] [] ? apply_to_page_range+0x3d6/0x3d6 [ 2827.255274] [] ? aa_end_current_label+0x29/0x2c [ 2827.281186] [] __vfs_write+0x12c/0x145 [ 2827.309850] [] vfs_write+0x135/0x220 [ 2827.328574] [] SyS_write+0xec/0x174 [ 2827.346801] [] ? SyS_read+0x174/0x174 [ 2827.367494] [] ? prepare_exit_to_usermode+0x7d/0x1d9 [ 2827.387754] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2827.421467] ================================================================================ [ 2827.465503] ================================================================================ [ 2827.503519] UBSAN: Undefined behaviour in ./include/linux/backing-dev.h:188:11 [ 2827.531259] member access within misaligned address ffff8800a2fa1c10 for type 'struct super_block' [ 2827.575542] which requires 64 byte alignment [ 2827.592603] CPU: 2 PID: 277 Comm: udevd Tainted: G L 4.8.11 #1 [ 2827.616392] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2827.652041] 00000000ffffffff 00000000f05b5261 ffff88009e63f948 ffffffffb26ec5cc [ 2827.694543] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2827.724695] ffff880000000010 ffff88009e63f970 ffff88009e63f920 ffffffffb363c3e0 [ 2827.761539] Call Trace: [ 2827.776496] [] dump_stack+0xd7/0x132 [ 2827.796352] [] ? arch_local_irq_restore+0x1b/0x1b [ 2827.822829] [] ubsan_epilogue+0x12/0x53 [ 2827.847009] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2827.881592] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2827.948473] [] inode_to_bdi+0x93/0xb9 [ 2827.978697] [] ? balance_dirty_pages_ratelimited+0x99/0xab6 [ 2828.011026] [] balance_dirty_pages_ratelimited+0xa4/0xab6 [ 2828.038675] [] ? balance_dirty_pages.isra.9+0x1881/0x1881 [ 2828.074918] [] ? put_page+0x33/0x37 [ 2828.097995] [] ? shmem_write_end+0x1c3/0x1d2 [ 2828.123454] [] generic_perform_write+0x4d6/0x51a [ 2828.152796] [] ? try_to_release_page+0x18a/0x18a [ 2828.181175] [] ? inode_sb_list_add+0xf2/0xf2 [ 2828.206938] [] __generic_file_write_iter+0x344/0x40f [ 2828.233558] [] ? generic_write_checks+0x46f/0x47f [ 2828.263188] [] generic_file_write_iter+0xc9/0x20f [ 2828.297529] [] ? new_sync_write+0x15f/0x21c [ 2828.325658] [] new_sync_write+0x16e/0x21c [ 2828.348525] [] ? new_sync_write.part.9+0x1c/0x1c [ 2828.373585] [] ? apply_to_page_range+0x3d6/0x3d6 [ 2828.396026] [] ? aa_end_current_label+0x29/0x2c [ 2828.417648] [] __vfs_write+0x12c/0x145 [ 2828.441651] [] vfs_write+0x135/0x220 [ 2828.462220] [] SyS_write+0xec/0x174 [ 2828.481529] [] ? SyS_read+0x174/0x174 [ 2828.506634] [] ? prepare_exit_to_usermode+0x7d/0x1d9 [ 2828.535627] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2828.563890] ================================================================================ [ 2828.602513] ================================================================================ [ 2828.641557] UBSAN: Undefined behaviour in security/apparmor/include/lib.h:115:23 [ 2828.676686] member access within misaligned address ffff8800a2fa1c10 for type 'struct super_block' [ 2828.723063] which requires 64 byte alignment [ 2828.740651] CPU: 2 PID: 277 Comm: udevd Tainted: G L 4.8.11 #1 [ 2828.768000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2828.813600] 00000000ffffffff 00000000f05b5261 ffff88009e63fa60 ffffffffb26ec5cc [ 2828.843204] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2828.877358] 0000000000000010 ffff88009e63fa88 ffff88009e63fa38 ffffffffb363c3e0 [ 2828.909295] Call Trace: [ 2828.922211] [] dump_stack+0xd7/0x132 [ 2828.944489] [] ? arch_local_irq_restore+0x1b/0x1b [ 2828.966460] [] ubsan_epilogue+0x12/0x53 [ 2828.993078] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2829.023245] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2829.052258] [] apparmor_path_rename+0xee/0x318 [ 2829.081366] [] ? __d_alloc+0x776/0x7bc [ 2829.105298] [] ? apparmor_path_rmdir+0x2e/0x2e [ 2829.131479] [] ? __d_lookup_done+0x28e/0x28e [ 2829.158929] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2829.186379] [] ? assoc_array_gc+0x12e7/0x12e7 [ 2829.230941] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2829.261214] [] security_path_rename+0x1fc/0x244 [ 2829.297597] [] SYSC_renameat2+0x5da/0x7a3 [ 2829.319290] [] ? SYSC_symlinkat+0x218/0x218 [ 2829.346809] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2829.382945] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2829.427311] [] SyS_rename+0x2c/0x31 [ 2829.448923] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2829.485437] ================================================================================ [ 2829.552521] ================================================================================ [ 2829.782684] UBSAN: Undefined behaviour in fs/namei.c:4346:11 [ 2829.854299] member access within misaligned address ffff8800a2fa1c10 for type 'struct super_block' [ 2829.900884] which requires 64 byte alignment [ 2829.923874] CPU: 2 PID: 277 Comm: udevd Tainted: G L 4.8.11 #1 [ 2829.995621] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2830.042703] 00000000ffffffff 00000000f05b5261 ffff88009e63fb60 ffffffffb26ec5cc [ 2830.067676] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2830.095118] ffff880000000010 ffff88009e63fb88 ffff88009e63fb38 ffffffffb363c3e0 [ 2830.124404] Call Trace: [ 2830.133016] [] dump_stack+0xd7/0x132 [ 2830.152737] [] ? arch_local_irq_restore+0x1b/0x1b [ 2830.180905] [] ubsan_epilogue+0x12/0x53 [ 2830.201721] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2830.226050] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2830.251625] [] ? assoc_array_gc+0x12e7/0x12e7 [ 2830.283746] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2830.314735] [] vfs_rename+0xe5/0x8f6 [ 2830.335059] [] SYSC_renameat2+0x66a/0x7a3 [ 2830.379804] [] ? SYSC_symlinkat+0x218/0x218 [ 2830.758288] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2830.800654] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2830.836398] [] SyS_rename+0x2c/0x31 [ 2830.881730] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2830.911345] ================================================================================ [ 2830.957894] ================================================================================ [ 2830.985576] UBSAN: Undefined behaviour in fs/namei.c:4448:21 [ 2831.012548] member access within misaligned address ffff8800a2fa1c10 for type 'struct super_block' [ 2831.045101] which requires 64 byte alignment [ 2831.061821] CPU: 3 PID: 277 Comm: udevd Tainted: G L 4.8.11 #1 [ 2831.085243] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2831.122840] 00000000ffffffff 00000000f05b5261 ffff88009e63fb60 ffffffffb26ec5cc [ 2831.149973] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2831.177726] ffff880000000010 ffff88009e63fb88 ffff88009e63fb38 ffffffffb363c3e0 [ 2831.207599] Call Trace: [ 2831.218940] [] dump_stack+0xd7/0x132 [ 2831.238674] [] ? arch_local_irq_restore+0x1b/0x1b [ 2831.260078] [] ubsan_epilogue+0x12/0x53 [ 2831.281642] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2831.306823] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2831.333735] [] ? shmem_rename2+0x706/0x718 [ 2831.355796] [] vfs_rename+0x769/0x8f6 [ 2831.381395] [] SYSC_renameat2+0x66a/0x7a3 [ 2831.404177] [] ? SYSC_symlinkat+0x218/0x218 [ 2831.434235] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2831.467605] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2831.503043] [] SyS_rename+0x2c/0x31 [ 2831.526867] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2831.560154] ================================================================================ [ 2831.628075] udevd[278]: starting version 175 [?25l[?1c7[ ok 8[?25h[?0c[ 2832.449280] ================================================================================ [ 2832.558919] UBSAN: Undefined behaviour in ./include/linux/fs.h:2168:9 [ 2832.634512] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2832.724420] which requires 64 byte alignment [ 2832.763732] CPU: 1 PID: 278 Comm: udevd Tainted: G L 4.8.11 #1 [ 2832.823553] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2832.911184] 00000000ffffffff 000000006fb4ea56 ffff8800a2cefc88 ffffffffb26ec5cc [ 2832.971067] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2833.035308] 0000000000000010 ffff8800a2cefcb0 ffff8800a2cefc60 ffffffffb363c3e0 [ 2833.110438] Call Trace: [ 2833.199173] [] dump_stack+0xd7/0x132 [ 2833.431144] [] ? arch_local_irq_restore+0x1b/0x1b [ 2833.495868] [] ubsan_epilogue+0x12/0x53 [ 2833.571052] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2833.642878] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2833.695694] [] ? arch_get_unmapped_area+0x3a0/0x3a0 [ 2833.810644] [] do_mmap+0x549/0x80d [ 2833.862542] [] vm_mmap_pgoff+0x14e/0x1c2 [ 2833.911780] [] ? vma_is_stack_for_task+0x9d/0x9d [ 2833.966657] [] SyS_mmap_pgoff+0x3f8/0x456 [ 2834.029350] [] ? find_mergeable_anon_vma+0xb2/0xb2 [ 2834.123776] [] ? SYSC_lseek+0x75/0x86 [ 2834.191377] [] SyS_mmap+0x1b/0x25 [ 2834.243451] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2834.303956] ================================================================================ . [....] Synthesizing the initial hotplug events...[ 2835.220458] ================================================================================ [ 2835.259318] UBSAN: Undefined behaviour in fs/kernfs/dir.c:1623:8 [ 2835.282217] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2835.320873] which requires 64 byte alignment [ 2835.339253] CPU: 2 PID: 308 Comm: udevadm Tainted: G L 4.8.11 #1 [ 2835.369996] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2835.415186] 00000000ffffffff 000000006b6c727c ffff8800a373fcf0 ffffffffb26ec5cc [ 2835.446656] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2835.481031] 0000000000000010 ffff8800a373fd18 ffff8800a373fcc8 ffffffffb363c3e0 [ 2835.516321] Call Trace: [ 2835.526668] [] dump_stack+0xd7/0x132 [ 2835.550057] [] ? arch_local_irq_restore+0x1b/0x1b [ 2835.579637] [] ubsan_epilogue+0x12/0x53 [ 2835.602900] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2835.634504] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2835.665753] [] ? filldir+0x2db/0x2ed [ 2835.685093] [] ? filldir64+0x311/0x311 [ 2835.710207] [] kernfs_fop_readdir+0x3ef/0x785 [ 2835.735108] [] ? down_write_killable+0xfb/0xfb [ 2835.760815] [] iterate_dir+0x252/0x45f [ 2835.795314] [] SyS_getdents+0x139/0x1e6 [ 2836.029167] [] ? SyS_old_readdir+0x149/0x149 [ 2836.063001] [] ? filp_open+0x68/0x68 [ 2836.093921] [] ? filldir64+0x311/0x311 [ 2836.173172] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2836.207261] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2836.232732] ================================================================================ [ 2836.275853] ================================================================================ [ 2836.316869] UBSAN: Undefined behaviour in fs/kernfs/dir.c:1035:8 [ 2836.349195] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2836.386052] which requires 64 byte alignment [ 2836.402420] CPU: 2 PID: 308 Comm: udevadm Tainted: G L 4.8.11 #1 [ 2836.431284] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2836.466708] 00000000ffffffff 000000006b6c727c ffff8800a373f948 ffffffffb26ec5cc [ 2836.496101] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2836.531411] ffff880000000010 ffff8800a373f970 ffff8800a373f920 ffffffffb363c3e0 [ 2836.566397] Call Trace: [ 2836.576463] [] dump_stack+0xd7/0x132 [ 2836.596429] [] ? arch_local_irq_restore+0x1b/0x1b [ 2836.623253] [] ubsan_epilogue+0x12/0x53 [ 2836.666471] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2836.704694] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2836.747661] [] ? down_read+0x96/0x101 [ 2836.770850] [] kernfs_iop_lookup+0xee/0x246 [ 2836.803806] [] ? lookup_slow+0x261/0x2e1 [ 2836.835838] [] lookup_slow+0x271/0x2e1 [ 2836.863361] [] ? d_lookup_done+0x63/0x63 [ 2836.893529] [] walk_component+0x191/0x35a [ 2836.918989] [] ? handle_dots.part.12+0x973/0x973 [ 2836.953011] [] ? nd_jump_root+0x27d/0x28d [ 2837.047937] [] ? path_init+0x93c/0x950 [ 2837.239581] [] path_lookupat+0x1dc/0x373 [ 2837.295899] [] filename_lookup+0x10a/0x1f3 [ 2837.345266] [] ? user_path_parent+0x5b/0x5b [ 2837.399531] [] ? getname_flags+0x4f/0x2e0 [ 2837.422064] [] user_path_at_empty+0x4c/0x55 [ 2837.464648] [] ? user_path_at_empty+0x4c/0x55 [ 2837.501608] [] SYSC_readlinkat+0xf5/0x2aa [ 2837.525733] [] ? cp_old_stat+0x563/0x563 [ 2837.548498] [] ? prepare_exit_to_usermode+0x7d/0x1d9 [ 2837.575832] [] SyS_readlink+0x2f/0x36 [ 2837.600924] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2837.623423] ================================================================================ [ 2840.267011] ================================================================================ [ 2840.307363] UBSAN: Undefined behaviour in fs/kernfs/dir.c:619:6 [ 2840.342665] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2840.385484] which requires 64 byte alignment [ 2840.404582] CPU: 3 PID: 308 Comm: udevadm Tainted: G L 4.8.11 #1 [ 2840.435336] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2840.475122] 00000000ffffffff 000000006b6c727c ffff8800a373f668 ffffffffb26ec5cc [ 2840.505481] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2840.535162] ffff880000000010 ffff8800a373f690 ffff8800a373f640 ffffffffb363c3e0 [ 2840.565322] Call Trace: [ 2840.573629] [] dump_stack+0xd7/0x132 [ 2840.602337] [] ? arch_local_irq_restore+0x1b/0x1b [ 2840.662845] [] ubsan_epilogue+0x12/0x53 [ 2840.695623] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2840.745526] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2840.804471] [] ? dentry_string_cmp+0x95/0xa2 [ 2840.849022] [] kernfs_dop_revalidate+0x27c/0x309 [ 2841.147511] [] d_revalidate+0x66/0x6d [ 2841.201914] [] lookup_fast+0x887/0xa25 [ 2841.266419] [] ? follow_managed+0x9b3/0x9b3 [ 2841.334433] [] walk_component+0x13a/0x35a [ 2841.400856] [] ? handle_dots.part.12+0x973/0x973 [ 2841.471488] [] ? security_inode_permission+0xd0/0xdd [ 2841.552055] [] ? __inode_permission+0x261/0x270 [ 2841.624091] [] link_path_walk+0x747/0xc5a [ 2841.692076] [] ? walk_component+0x35a/0x35a [ 2841.769053] [] ? nd_jump_root+0x27d/0x28d [ 2841.829529] [] ? path_init+0x93c/0x950 [ 2841.894701] [] path_openat+0x73a/0x2525 [ 2841.982654] [] ? save_stack_trace+0x31/0xf1 [ 2842.056911] [] ? kasan_slab_alloc+0x12/0x14 [ 2842.153018] [] ? slab_post_alloc_hook+0x97/0xb7 [ 2842.242684] [] ? kmem_cache_alloc+0x20f/0x33f [ 2842.337357] [] ? getname_flags+0x4f/0x2e0 [ 2842.419407] [] ? getname+0x20/0x22 [ 2842.491485] [] ? do_sys_open+0xb2/0x342 [ 2842.558730] [] ? SyS_open+0x32/0x39 [ 2842.613182] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2842.675029] [] ? may_open+0x1c0/0x1c0 [ 2842.713262] [] ? deactivate_slab+0x53d/0x566 [ 2842.740040] [] ? getname_flags+0x4f/0x2e0 [ 2842.763403] [] ? init_object+0x1d6/0x1e2 [ 2842.784803] [] ? expand_files+0x68a/0x6d7 [ 2842.813339] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2842.840475] [] do_filp_open+0xe2/0x18c [ 2842.867061] [] ? path_openat+0x2525/0x2525 [ 2842.889358] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 2842.916308] [] ? __alloc_fd+0x43d/0x47f [ 2842.940575] [] ? exit_files+0xaa/0xaa [ 2842.965564] [] do_sys_open+0xf5/0x342 [ 2842.988342] [] ? do_sys_open+0xf5/0x342 [ 2843.008296] [] ? filp_open+0x68/0x68 [ 2843.032421] [] SyS_open+0x32/0x39 [ 2843.063330] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2843.085361] ================================================================================ [?25l[?1c7[ ok 8[?25h[?0cdone. [....] Waiting for /dev to be fully populated...[ 2849.151639] ================================================================================ [ 2849.267256] UBSAN: Undefined behaviour in kernel/sched/fair.c:277:11 [ 2849.348024] member access within misaligned address ffff88005c31c360 for type 'struct sched_entity' [ 2849.447641] which requires 64 byte alignment [ 2849.492687] CPU: 0 PID: 324 Comm: udevd Tainted: G L 4.8.11 #1 [ 2849.587516] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2849.704802] 00000000ffffffff 0000000025f3d2a7 ffff88005d407c50 ffffffffb26ec5cc [ 2850.036682] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2850.091621] ffff880000000010 ffff88005d407c78 ffff88005d407c28 ffffffffb363c3e0 [ 2850.146071] Call Trace: [ 2850.164344] [] dump_stack+0xd7/0x132 [ 2850.217215] [] ? arch_local_irq_restore+0x1b/0x1b [ 2850.271338] [] ubsan_epilogue+0x12/0x53 [ 2850.311684] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2850.365770] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2850.419770] [] check_preempt_wakeup+0x71f/0x7d1 [ 2850.464355] [] ? dequeue_task_fair+0x2a5/0x2a5 [ 2850.504493] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2850.562420] [] ? update_cfs_shares+0xf2/0x39d [ 2850.612306] [] check_preempt_curr+0x122/0x2c3 [ 2850.689080] [] ttwu_do_wakeup+0x1d/0x306 [ 2850.745467] [] ttwu_do_activate+0x14f/0x158 [ 2850.823256] [] sched_ttwu_pending+0x10c/0x14c [ 2850.910031] [] ? wait_task_inactive+0x414/0x414 [ 2850.994023] [] ? rcu_irq_enter+0x3e/0xa4 [ 2851.069165] [] scheduler_ipi+0x89/0xe9 [ 2851.158108] [] smp_reschedule_interrupt+0x1a/0x1c [ 2851.247319] [] reschedule_interrupt+0x82/0x90 [ 2851.346617] [ 2851.371684] ================================================================================ [ 2851.502103] ================================================================================ [ 2851.612301] UBSAN: Undefined behaviour in kernel/sched/fair.c:5591:2 [ 2851.713240] member access within misaligned address ffff88005c31c360 for type 'struct sched_entity' [ 2851.847623] which requires 64 byte alignment [ 2851.917758] CPU: 0 PID: 324 Comm: udevd Tainted: G L 4.8.11 #1 [ 2852.019297] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2852.168555] 00000000ffffffff 0000000025f3d2a7 ffff88005d407c50 ffffffffb26ec5cc [ 2852.272086] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2852.374771] ffff880000000010 ffff88005d407c78 ffff88005d407c28 ffffffffb363c3e0 [ 2852.490330] Call Trace: [ 2852.520677] [] dump_stack+0xd7/0x132 [ 2852.611618] [] ? arch_local_irq_restore+0x1b/0x1b [ 2852.713616] [] ubsan_epilogue+0x12/0x53 [ 2852.823083] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2852.927461] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2853.044078] [] check_preempt_wakeup+0x774/0x7d1 [ 2853.144545] [] ? dequeue_task_fair+0x2a5/0x2a5 [ 2853.235983] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2853.350354] [] ? update_cfs_shares+0xf2/0x39d [ 2853.434722] [] check_preempt_curr+0x122/0x2c3 [ 2853.530614] [] ttwu_do_wakeup+0x1d/0x306 [ 2853.603684] [] ttwu_do_activate+0x14f/0x158 [ 2853.682775] [] sched_ttwu_pending+0x10c/0x14c [ 2853.760585] [] ? wait_task_inactive+0x414/0x414 [ 2853.840316] [] ? rcu_irq_enter+0x3e/0xa4 [ 2853.904849] [] scheduler_ipi+0x89/0xe9 [ 2853.976929] [] smp_reschedule_interrupt+0x1a/0x1c [ 2854.058894] [] reschedule_interrupt+0x82/0x90 [ 2854.132363] [ 2854.155104] ================================================================================ [ 2854.270529] ================================================================================ [ 2854.361753] UBSAN: Undefined behaviour in kernel/sched/fair.c:277:11 [ 2854.442579] member access within misaligned address ffff88005c31c360 for type 'struct sched_entity' [ 2854.551128] which requires 64 byte alignment [ 2854.605208] CPU: 0 PID: 324 Comm: udevd Tainted: G L 4.8.11 #1 [ 2854.704147] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2854.816139] 00000000ffffffff 0000000025f3d2a7 ffff88005d407c50 ffffffffb26ec5cc [ 2854.917071] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2855.017643] ffff880000000010 ffff88005d407c78 ffff88005d407c28 ffffffffb363c3e0 [ 2855.119786] Call Trace: [ 2855.150960] [] dump_stack+0xd7/0x132 [ 2855.250356] [] ? arch_local_irq_restore+0x1b/0x1b [ 2855.348067] [] ubsan_epilogue+0x12/0x53 [ 2855.449331] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2855.529714] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2855.634877] [] ? __calc_delta+0x21b/0x21b [ 2855.701148] [] clear_buddies+0xa0/0x2ec [ 2855.772172] [] task_tick_fair+0x1ae/0x2b0 [ 2855.839344] [] scheduler_tick+0x11a/0x17f [ 2855.915134] [] update_process_times+0x57/0x64 [ 2856.000226] [] tick_sched_handle+0x114/0x125 [ 2856.075981] [] tick_sched_timer+0x43/0xab [ 2856.136286] [] __hrtimer_run_queues+0x433/0x7b1 [ 2856.219295] [] ? tick_sched_do_timer+0x5f/0x5f [ 2856.287442] [] ? hrtimer_cancel+0x37/0x37 [ 2856.354714] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2856.441514] [] hrtimer_interrupt+0x179/0x41c [ 2856.511212] [] local_apic_timer_interrupt+0xe4/0xeb [ 2856.596360] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2856.675890] [] apic_timer_interrupt+0x82/0x90 [ 2856.749136] [] ? prepare_exit_to_usermode+0x46/0x1d9 [ 2856.847478] [] ? arch_local_irq_enable+0x10/0x12 [ 2856.919805] [] prepare_exit_to_usermode+0xe6/0x1d9 [ 2856.996591] [] retint_user+0x8/0x10 [ 2857.063421] ================================================================================ [ 2857.178313] ================================================================================ [ 2857.281789] UBSAN: Undefined behaviour in kernel/sched/fair.c:3410:2 [ 2857.347840] member access within misaligned address ffff88005c31c360 for type 'struct sched_entity' [ 2857.463824] which requires 64 byte alignment [ 2857.519419] CPU: 0 PID: 324 Comm: udevd Tainted: G L 4.8.11 #1 [ 2857.602315] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2857.716755] 00000000ffffffff 0000000025f3d2a7 ffff88005d407c50 ffffffffb26ec5cc [ 2857.811282] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2857.896570] ffff880000000010 ffff88005d407c78 ffff88005d407c28 ffffffffb363c3e0 [ 2858.004644] Call Trace: [ 2858.044387] [] dump_stack+0xd7/0x132 [ 2858.111382] [] ? arch_local_irq_restore+0x1b/0x1b [ 2858.187882] [] ubsan_epilogue+0x12/0x53 [ 2858.251959] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2858.338339] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2858.431176] [] ? __calc_delta+0x21b/0x21b [ 2858.495083] [] clear_buddies+0x139/0x2ec [ 2858.560063] [] task_tick_fair+0x1ae/0x2b0 [ 2858.640350] [] scheduler_tick+0x11a/0x17f [ 2858.700570] [] update_process_times+0x57/0x64 [ 2858.782613] [] tick_sched_handle+0x114/0x125 [ 2858.863629] [] tick_sched_timer+0x43/0xab [ 2858.935484] [] __hrtimer_run_queues+0x433/0x7b1 [ 2859.016428] [] ? tick_sched_do_timer+0x5f/0x5f [ 2859.091694] [] ? hrtimer_cancel+0x37/0x37 [ 2859.164387] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 2859.247020] [] hrtimer_interrupt+0x179/0x41c [ 2859.356254] [] local_apic_timer_interrupt+0xe4/0xeb [ 2859.433777] [] smp_apic_timer_interrupt+0x2e/0x3e [ 2859.512026] [] apic_timer_interrupt+0x82/0x90 [ 2859.581549] [] ? prepare_exit_to_usermode+0x46/0x1d9 [ 2859.671680] [] ? arch_local_irq_enable+0x10/0x12 [ 2859.734101] [] prepare_exit_to_usermode+0xe6/0x1d9 [ 2859.814505] [] retint_user+0x8/0x10 [ 2859.892006] ================================================================================ [ 2860.648040] ================================================================================ [ 2860.770870] UBSAN: Undefined behaviour in fs/kernfs/inode.c:252:19 [ 2860.849181] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2860.960539] which requires 64 byte alignment [ 2861.002861] CPU: 1 PID: 320 Comm: udevd Tainted: G L 4.8.11 #1 [ 2861.054476] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2861.114499] 00000000ffffffff 00000000d283d382 ffff88009f1f7c80 ffffffffb26ec5cc [ 2861.166555] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2861.215790] ffff880000000010 ffff88009f1f7ca8 ffff88009f1f7c58 ffffffffb363c3e0 [ 2861.270741] Call Trace: [ 2861.287324] [] dump_stack+0xd7/0x132 [ 2861.319769] [] ? arch_local_irq_restore+0x1b/0x1b [ 2861.363592] [] ubsan_epilogue+0x12/0x53 [ 2861.397172] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2861.446957] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2861.494422] [] ? mutex_set_owner+0x8e/0xc6 [ 2861.531130] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 2861.582677] [] ? common_perm_cond+0x1ed/0x228 [ 2861.620242] [] ? kernfs_refresh_inode+0x367/0x367 [ 2861.663882] [] kernfs_refresh_inode+0x17d/0x367 [ 2861.701380] [] ? kernfs_refresh_inode+0x367/0x367 [ 2861.743183] [] kernfs_iop_getattr+0x7c/0x9c [ 2861.779756] [] vfs_getattr_nosec+0x128/0x154 [ 2861.814913] [] vfs_getattr+0x34/0x45 [ 2861.859414] [] ? __fget_light+0xb3/0xf0 [ 2861.895626] [] vfs_fstat+0x47/0x6e [ 2861.927120] [] SYSC_newfstat+0x83/0xe7 [ 2861.967315] [] ? SYSC_newfstatat+0x10c/0x10c [ 2862.005024] [] ? do_sys_open+0x26c/0x342 [ 2862.042832] [] ? filp_open+0x68/0x68 [ 2862.079560] [] SyS_newfstat+0x27/0x29 [ 2862.114581] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2862.160314] ================================================================================ [ 2862.224089] ================================================================================ [ 2862.304632] UBSAN: Undefined behaviour in fs/kernfs/inode.c:253:19 [ 2862.365046] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2862.444783] which requires 64 byte alignment [ 2862.493311] CPU: 1 PID: 320 Comm: udevd Tainted: G L 4.8.11 #1 [ 2862.561414] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2862.654198] 00000000ffffffff 00000000d283d382 ffff88009f1f7c80 ffffffffb26ec5cc [ 2862.719730] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2862.805314] ffff880000000010 ffff88009f1f7ca8 ffff88009f1f7c58 ffffffffb363c3e0 [ 2862.880551] Call Trace: [ 2862.904607] [] dump_stack+0xd7/0x132 [ 2862.962708] [] ? arch_local_irq_restore+0x1b/0x1b [ 2863.020772] [] ubsan_epilogue+0x12/0x53 [ 2863.073192] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2863.142406] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2863.213992] [] kernfs_refresh_inode+0x1f0/0x367 [ 2863.266013] [] ? kernfs_refresh_inode+0x367/0x367 [ 2863.326631] [] kernfs_iop_getattr+0x7c/0x9c [ 2863.375351] [] vfs_getattr_nosec+0x128/0x154 [ 2863.434817] [] vfs_getattr+0x34/0x45 [ 2863.474901] [] ? __fget_light+0xb3/0xf0 [ 2863.534105] [] vfs_fstat+0x47/0x6e [ 2863.582414] [] SYSC_newfstat+0x83/0xe7 [ 2863.638875] [] ? SYSC_newfstatat+0x10c/0x10c [ 2863.697312] [] ? do_sys_open+0x26c/0x342 [ 2863.754221] [] ? filp_open+0x68/0x68 [ 2863.802660] [] SyS_newfstat+0x27/0x29 [ 2863.846505] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2863.914111] ================================================================================ [ 2863.982796] ================================================================================ [ 2864.063899] UBSAN: Undefined behaviour in kernel/sched/fair.c:476:13 [ 2864.125157] member access within misaligned address ffff88005c31c360 for type 'struct sched_entity' [ 2864.209044] which requires 64 byte alignment [ 2864.251766] CPU: 0 PID: 8 Comm: rcu_sched Tainted: G L 4.8.11 #1 [ 2864.320742] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2864.407904] 00000000ffffffff 000000007a53c047 ffff88005ca6f3d8 ffffffffb26ec5cc [ 2864.482123] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2864.561491] ffff880000000010 ffff88005ca6f400 ffff88005ca6f3b0 ffffffffb363c3e0 [ 2864.630757] Call Trace: [ 2864.659100] [] dump_stack+0xd7/0x132 [ 2864.710903] [] ? arch_local_irq_restore+0x1b/0x1b [ 2864.767787] [] ubsan_epilogue+0x12/0x53 [ 2864.824482] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2864.893479] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2864.966856] [] update_min_vruntime+0x12a/0x1b0 [ 2865.030359] [] update_curr+0x20c/0x564 [ 2865.080600] [] ? __account_cfs_rq_runtime+0x4e8/0x4e8 [ 2865.142473] [] enqueue_entity+0xea/0x16ab [ 2865.202855] [] ? kvm_sched_clock_read+0x9/0x12 [ 2865.259268] [] ? paravirt_sched_clock+0x9/0xd [ 2865.318472] [] enqueue_task_fair+0x91/0x22b [ 2865.382921] [] ? enqueue_task_fair+0x91/0x22b [ 2865.436020] [] enqueue_task+0xf3/0xfc [ 2865.486719] [] activate_task+0xfb/0x104 [ 2865.540289] [] attach_task+0xed/0x12c [ 2865.593255] [] load_balance+0xb59/0x1841 [ 2865.642932] [] ? find_busiest_group+0x55f/0x55f [ 2865.710826] [] ? div_u64+0xcd/0xcd [ 2865.756167] [] ? kvm_clock_read+0x1e/0x20 [ 2865.811504] [] ? paravirt_sched_clock+0x9/0xd [ 2865.870879] [] ? sched_clock+0x9/0xb [ 2865.919481] [] ? sched_clock_cpu+0x1c/0x161 [ 2865.975883] [] pick_next_task_fair+0x892/0xb60 [ 2866.042586] [] ? load_balance+0x1841/0x1841 [ 2866.099001] [] ? hrtick_update+0x48/0xeb [ 2866.159030] [] ? dequeue_task_fair+0x277/0x2a5 [ 2866.211092] [] pick_next_task+0xae/0x15c [ 2866.270087] [] __schedule+0x54b/0x126c [ 2866.321258] [] ? io_schedule_timeout+0x33d/0x33d [ 2866.385562] [] ? __note_gp_changes+0x424/0x4af [ 2866.448213] [] ? __list_add+0x211/0x249 [ 2866.505185] [] ? assoc_array_gc+0x12e7/0x12e7 [ 2866.566167] [] ? rcu_end_inkernel_boot+0xc4/0xc4 [ 2866.631372] [] ? __list_add+0x211/0x249 [ 2866.693983] [] schedule+0x162/0x1a3 [ 2866.751417] [] schedule_timeout+0x18a/0x203 [ 2866.802054] [] ? usleep_range+0xfe/0xfe [ 2866.854102] [] ? __prepare_to_swait+0xac/0xac [ 2866.915959] [] ? calc_wheel_index+0x144/0x144 [ 2866.980849] [] ? prepare_to_swait_event+0xd3/0xe1 [ 2867.050080] [] rcu_gp_kthread+0x59f/0xf5f [ 2867.102011] [] ? rcu_gp_kthread+0x59f/0xf5f [ 2867.162248] [] ? force_qs_rnp+0x3a3/0x3a3 [ 2867.219326] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 2867.282442] [] ? balance_callback+0x3a/0x137 [ 2867.336521] [] ? __schedule+0x123d/0x126c [ 2867.391205] [] ? cpu_cgroup_can_attach+0x114/0x14d [ 2867.450455] [] ? __wake_up_common+0xe0/0x14f [ 2867.502700] [] kthread+0x1f7/0x20b [ 2867.559425] [] ? force_qs_rnp+0x3a3/0x3a3 [ 2867.610346] [] ? init_completion+0x48/0x48 [ 2867.661650] [] ret_from_fork+0x1f/0x40 [ 2867.711361] [] ? init_completion+0x48/0x48 [ 2867.771009] ================================================================================ [ 2867.870667] ================================================================================ [ 2867.967663] UBSAN: Undefined behaviour in fs/proc_namespace.c:137:24 [ 2868.036078] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 2868.098519] which requires 64 byte alignment [ 2868.124380] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2868.170733] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2868.234670] 00000000ffffffff 00000000798a420e ffff88009ea87b28 ffffffffb26ec5cc [ 2868.283407] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2868.327140] ffff880000000010 ffff88009ea87b50 ffff88009ea87b00 ffffffffb363c3e0 [ 2868.381332] Call Trace: [ 2868.402533] [] dump_stack+0xd7/0x132 [ 2868.435196] [] ? arch_local_irq_restore+0x1b/0x1b [ 2868.481264] [] ubsan_epilogue+0x12/0x53 [ 2868.515262] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2868.564706] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2868.611085] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2868.650174] [] show_mountinfo+0x11f/0x846 [ 2868.684698] [] ? down_read+0xc7/0x101 [ 2868.723480] [] ? down_write_killable+0xfb/0xfb [ 2868.768208] [] ? show_type+0x145/0x145 [ 2868.803270] [] ? seq_list_start+0xac/0xba [ 2868.838547] [] m_show+0x75/0x7c [ 2868.870558] [] seq_read+0x7ba/0x11ae [ 2868.905345] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2868.950188] [] ? fsnotify_perm+0x111/0x11e [ 2868.986538] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2869.030960] [] __vfs_read+0xc2/0x145 [ 2869.071717] [] vfs_read+0x12a/0x209 [ 2869.103915] [] SyS_read+0xec/0x174 [ 2869.139750] [] ? vfs_copy_file_range+0x485/0x485 [ 2869.181000] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2869.222776] ================================================================================ [ 2869.287209] ================================================================================ [ 2869.364922] UBSAN: Undefined behaviour in fs/proc_namespace.c:137:6 [ 2869.427622] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 2869.507958] which requires 64 byte alignment [ 2869.550956] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2869.616564] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2869.706106] 00000000ffffffff 00000000798a420e ffff88009ea87b28 ffffffffb26ec5cc [ 2869.779626] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2869.852981] ffffffff00000010 ffff88009ea87b50 ffff88009ea87b00 ffffffffb363c3e0 [ 2869.931985] Call Trace: [ 2869.960497] [] dump_stack+0xd7/0x132 [ 2870.015034] [] ? arch_local_irq_restore+0x1b/0x1b [ 2870.074396] [] ubsan_epilogue+0x12/0x53 [ 2870.111205] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2870.156495] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2870.202496] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2870.247337] [] show_mountinfo+0x156/0x846 [ 2870.283295] [] ? down_read+0xc7/0x101 [ 2870.314834] [] ? show_type+0x145/0x145 [ 2870.355153] [] ? seq_list_start+0xac/0xba [ 2870.398405] [] m_show+0x75/0x7c [ 2870.426593] [] seq_read+0x7ba/0x11ae [ 2870.460020] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2870.506519] [] ? fsnotify_perm+0x111/0x11e [ 2870.542313] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2870.587615] [] __vfs_read+0xc2/0x145 [ 2870.628164] [] vfs_read+0x12a/0x209 [ 2870.667652] [] SyS_read+0xec/0x174 [ 2870.702356] [] ? vfs_copy_file_range+0x485/0x485 [ 2870.742602] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2870.785129] ================================================================================ [ 2870.843663] ================================================================================ [ 2870.896046] UBSAN: Undefined behaviour in fs/proc_namespace.c:138:8 [ 2870.940512] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 2870.995548] which requires 64 byte alignment [ 2871.022674] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2871.074304] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2871.130924] 00000000ffffffff 00000000798a420e ffff88009ea87b28 ffffffffb26ec5cc [ 2871.185040] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2871.238775] ffff880000000010 ffff88009ea87b50 ffff88009ea87b00 ffffffffb363c3e0 [ 2871.287519] Call Trace: [ 2871.302253] [] dump_stack+0xd7/0x132 [ 2871.334277] [] ? arch_local_irq_restore+0x1b/0x1b [ 2871.374228] [] ubsan_epilogue+0x12/0x53 [ 2871.408045] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2871.455015] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2871.498862] [] show_mountinfo+0x21b/0x846 [ 2871.534422] [] ? show_type+0x145/0x145 [ 2871.567523] [] ? seq_list_start+0xac/0xba [ 2871.603253] [] m_show+0x75/0x7c [ 2871.636604] [] seq_read+0x7ba/0x11ae [ 2871.668531] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2871.710459] [] ? fsnotify_perm+0x111/0x11e [ 2871.748158] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2871.794279] [] __vfs_read+0xc2/0x145 [ 2871.830227] [] vfs_read+0x12a/0x209 [ 2871.864724] [] SyS_read+0xec/0x174 [ 2871.899204] [] ? vfs_copy_file_range+0x485/0x485 [ 2871.942611] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2871.983094] ================================================================================ [ 2872.036236] ================================================================================ [ 2872.088970] UBSAN: Undefined behaviour in fs/proc_namespace.c:87:14 [ 2872.128504] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2872.190853] which requires 64 byte alignment [ 2872.222324] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2872.267748] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2872.327340] 00000000ffffffff 00000000798a420e ffff88009ea87af8 ffffffffb26ec5cc [ 2872.382714] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2872.434485] ffff880000000010 ffff88009ea87b20 ffff88009ea87ad0 ffffffffb363c3e0 [ 2872.486271] Call Trace: [ 2872.501717] [] dump_stack+0xd7/0x132 [ 2872.536786] [] ? arch_local_irq_restore+0x1b/0x1b [ 2872.578417] [] ubsan_epilogue+0x12/0x53 [ 2872.610611] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2872.653454] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2872.694820] [] show_type+0x34/0x145 [ 2872.728548] [] show_mountinfo+0x568/0x846 [ 2872.763076] [] ? show_type+0x145/0x145 [ 2872.802314] [] m_show+0x75/0x7c [ 2872.832701] [] seq_read+0x7ba/0x11ae [ 2872.868339] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2872.916524] [] ? fsnotify_perm+0x111/0x11e [ 2872.951598] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2872.992123] [] __vfs_read+0xc2/0x145 [ 2873.023976] [] vfs_read+0x12a/0x209 [ 2873.057463] [] SyS_read+0xec/0x174 [ 2873.095253] [] ? vfs_copy_file_range+0x485/0x485 [ 2873.141553] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2873.187530] ================================================================================ [ 2873.241738] ================================================================================ [ 2873.302575] UBSAN: Undefined behaviour in fs/proc_namespace.c:88:8 [ 2873.342284] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2873.402617] which requires 64 byte alignment [ 2873.428603] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2873.480873] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2873.542970] 00000000ffffffff 00000000798a420e ffff88009ea87af8 ffffffffb26ec5cc [ 2873.587216] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2873.646625] 0000000000000010 ffff88009ea87b20 ffff88009ea87ad0 ffffffffb363c3e0 [ 2873.696457] Call Trace: [ 2873.710492] [] dump_stack+0xd7/0x132 [ 2873.743113] [] ? arch_local_irq_restore+0x1b/0x1b [ 2873.787039] [] ubsan_epilogue+0x12/0x53 [ 2873.825231] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2873.870159] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2873.918669] [] ? seq_hex_dump+0x2e1/0x2e1 [ 2873.955698] [] show_type+0x8f/0x145 [ 2873.987719] [] show_mountinfo+0x568/0x846 [ 2874.023778] [] ? show_type+0x145/0x145 [ 2874.056802] [] m_show+0x75/0x7c [ 2874.090240] [] seq_read+0x7ba/0x11ae [ 2874.124712] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2874.171873] [] ? fsnotify_perm+0x111/0x11e [ 2874.211951] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2874.254933] [] __vfs_read+0xc2/0x145 [ 2874.286478] [] vfs_read+0x12a/0x209 [ 2874.314922] [] SyS_read+0xec/0x174 [ 2874.350495] [] ? vfs_copy_file_range+0x485/0x485 [ 2874.401222] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2874.450546] ================================================================================ [ 2874.516054] ================================================================================ [ 2874.570534] UBSAN: Undefined behaviour in fs/proc_namespace.c:172:8 [ 2874.611860] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2874.674604] which requires 64 byte alignment [ 2874.702428] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2874.744437] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2874.801099] 00000000ffffffff 00000000798a420e ffff88009ea87b28 ffffffffb26ec5cc [ 2874.847525] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2874.900977] 0000000000000010 ffff88009ea87b50 ffff88009ea87b00 ffffffffb363c3e0 [ 2874.951746] Call Trace: [ 2874.971864] [] dump_stack+0xd7/0x132 [ 2875.008821] [] ? arch_local_irq_restore+0x1b/0x1b [ 2875.062403] [] ubsan_epilogue+0x12/0x53 [ 2875.110362] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2875.167724] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2875.230512] [] show_mountinfo+0x58f/0x846 [ 2875.267996] [] ? show_type+0x145/0x145 [ 2875.310337] [] m_show+0x75/0x7c [ 2875.342646] [] seq_read+0x7ba/0x11ae [ 2875.384046] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2875.431559] [] ? fsnotify_perm+0x111/0x11e [ 2875.479043] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2875.527489] [] __vfs_read+0xc2/0x145 [ 2875.568530] [] vfs_read+0x12a/0x209 [ 2875.605515] [] SyS_read+0xec/0x174 [ 2875.644261] [] ? vfs_copy_file_range+0x485/0x485 [ 2875.693560] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2875.746379] ================================================================================ [ 2875.827940] ================================================================================ [ 2875.890984] UBSAN: Undefined behaviour in fs/proc_namespace.c:179:16 [ 2875.938574] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2875.998862] which requires 64 byte alignment [ 2876.030934] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2876.088647] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2876.155917] 00000000ffffffff 00000000798a420e ffff88009ea87b28 ffffffffb26ec5cc [ 2876.216784] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2876.273274] 0000000000000010 ffff88009ea87b50 ffff88009ea87b00 ffffffffb363c3e0 [ 2876.323684] Call Trace: [ 2876.343489] [] dump_stack+0xd7/0x132 [ 2876.383444] [] ? arch_local_irq_restore+0x1b/0x1b [ 2876.424802] [] ubsan_epilogue+0x12/0x53 [ 2876.467446] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2876.518564] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2876.574984] [] ? seq_hex_dump+0x2e1/0x2e1 [ 2876.611078] [] show_mountinfo+0x6db/0x846 [ 2876.654862] [] ? show_type+0x145/0x145 [ 2876.692680] [] m_show+0x75/0x7c [ 2876.729274] [] seq_read+0x7ba/0x11ae [ 2876.776138] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2876.821075] [] ? fsnotify_perm+0x111/0x11e [ 2876.866737] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2876.915607] [] __vfs_read+0xc2/0x145 [ 2876.956719] [] vfs_read+0x12a/0x209 [ 2877.000406] [] SyS_read+0xec/0x174 [ 2877.035963] [] ? vfs_copy_file_range+0x485/0x485 [ 2877.086906] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2877.129259] ================================================================================ [ 2877.189603] ================================================================================ [ 2877.255124] UBSAN: Undefined behaviour in fs/proc_namespace.c:54:9 [ 2877.297143] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2877.362373] which requires 64 byte alignment [ 2877.398649] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2877.445112] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2877.513373] 00000000ffffffff 00000000798a420e ffff88009ea87ae8 ffffffffb26ec5cc [ 2877.567811] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2877.622436] 1ffff10000000010 ffff88009ea87b10 ffff88009ea87ac0 ffffffffb363c3e0 [ 2877.683992] Call Trace: [ 2877.706967] [] dump_stack+0xd7/0x132 [ 2877.742819] [] ? arch_local_irq_restore+0x1b/0x1b [ 2877.788126] [] ubsan_epilogue+0x12/0x53 [ 2877.830152] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2877.884199] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2877.942369] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2877.987047] [] show_sb_opts+0x76/0xf4 [ 2878.029209] [] show_mountinfo+0x718/0x846 [ 2878.072446] [] ? show_type+0x145/0x145 [ 2878.113338] [] m_show+0x75/0x7c [ 2878.156481] [] seq_read+0x7ba/0x11ae [ 2878.199163] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2878.248225] [] ? fsnotify_perm+0x111/0x11e [ 2878.292422] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2878.342923] [] __vfs_read+0xc2/0x145 [ 2878.383061] [] vfs_read+0x12a/0x209 [ 2878.423386] [] SyS_read+0xec/0x174 [ 2878.463468] [] ? vfs_copy_file_range+0x485/0x485 [ 2878.508332] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2878.555202] ================================================================================ [ 2878.615308] ================================================================================ [ 2878.675251] UBSAN: Undefined behaviour in fs/proc_namespace.c:183:8 [ 2878.723840] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2878.790276] which requires 64 byte alignment [ 2878.827142] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2878.884154] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2878.955164] 00000000ffffffff 00000000798a420e ffff88009ea87b28 ffffffffb26ec5cc [ 2879.012381] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2879.070900] ffffffff00000010 ffff88009ea87b50 ffff88009ea87b00 ffffffffb363c3e0 [ 2879.127101] Call Trace: [ 2879.146990] [] dump_stack+0xd7/0x132 [ 2879.187617] [] ? arch_local_irq_restore+0x1b/0x1b [ 2879.241773] [] ubsan_epilogue+0x12/0x53 [ 2879.282351] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2879.328803] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2879.380363] [] ? security_sb_show_options+0x9d/0xaa [ 2879.427909] [] ? show_sb_opts+0xe8/0xf4 [ 2879.473564] [] show_mountinfo+0x742/0x846 [ 2879.512662] [] ? show_type+0x145/0x145 [ 2879.555573] [] m_show+0x75/0x7c [ 2879.591501] [] seq_read+0x7ba/0x11ae [ 2879.630465] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2879.684417] [] ? fsnotify_perm+0x111/0x11e [ 2879.723672] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2879.763853] [] __vfs_read+0xc2/0x145 [ 2879.800031] [] vfs_read+0x12a/0x209 [ 2879.832655] [] SyS_read+0xec/0x174 [ 2879.870556] [] ? vfs_copy_file_range+0x485/0x485 [ 2879.910243] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2879.955618] ================================================================================ [ 2880.004309] ================================================================================ [ 2880.066391] UBSAN: Undefined behaviour in fs/kernfs/inode.c:254:19 [ 2880.103187] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2880.171585] which requires 64 byte alignment [ 2880.203101] CPU: 1 PID: 320 Comm: udevd Tainted: G L 4.8.11 #1 [ 2880.248502] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2880.310363] 00000000ffffffff 00000000d283d382 ffff88009f1f7c80 ffffffffb26ec5cc [ 2880.363598] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2880.418754] ffff880000000010 ffff88009f1f7ca8 ffff88009f1f7c58 ffffffffb363c3e0 [ 2880.467729] Call Trace: [ 2880.483542] [] dump_stack+0xd7/0x132 [ 2880.519846] [] ? arch_local_irq_restore+0x1b/0x1b [ 2880.558929] [] ubsan_epilogue+0x12/0x53 [ 2880.593208] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2880.634912] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2880.683063] [] kernfs_refresh_inode+0x257/0x367 [ 2880.726312] [] ? kernfs_refresh_inode+0x367/0x367 [ 2880.765173] [] kernfs_iop_getattr+0x7c/0x9c [ 2880.801386] [] vfs_getattr_nosec+0x128/0x154 [ 2880.835920] [] vfs_getattr+0x34/0x45 [ 2880.873478] [] ? __fget_light+0xb3/0xf0 [ 2880.907897] [] vfs_fstat+0x47/0x6e [ 2880.940325] [] SYSC_newfstat+0x83/0xe7 [ 2880.976478] [] ? SYSC_newfstatat+0x10c/0x10c [ 2881.020317] [] ? do_sys_open+0x26c/0x342 [ 2881.058397] [] ? filp_open+0x68/0x68 [ 2881.089032] [] SyS_newfstat+0x27/0x29 [ 2881.120241] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2881.161288] ================================================================================ [ 2881.229509] ================================================================================ [ 2881.230291] WARNING! power/level is deprecated; use power/control instead [ 2881.399008] UBSAN: Undefined behaviour in fs/proc_namespace.c:184:11 [ 2881.459403] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2881.564088] which requires 64 byte alignment [ 2881.616257] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2881.853803] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2881.924286] 00000000ffffffff 00000000798a420e ffff88009ea87b28 ffffffffb26ec5cc [ 2881.974105] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2882.020654] ffff880000000010 ffff88009ea87b50 ffff88009ea87b00 ffffffffb363c3e0 [ 2882.062543] Call Trace: [ 2882.078764] [] dump_stack+0xd7/0x132 [ 2882.113108] [] ? arch_local_irq_restore+0x1b/0x1b [ 2882.158844] [] ubsan_epilogue+0x12/0x53 [ 2882.192402] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2882.271825] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2882.381066] [] ? security_sb_show_options+0x9d/0xaa [ 2882.453740] [] ? show_sb_opts+0xe8/0xf4 [ 2882.508021] [] show_mountinfo+0x7a3/0x846 [ 2882.563907] [] ? _ext4_show_options+0xf1a/0xf1a [ 2882.642214] [] ? show_type+0x145/0x145 [ 2882.691966] [] m_show+0x75/0x7c [ 2882.727321] [] seq_read+0x7ba/0x11ae [ 2882.763082] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2882.819767] [] ? fsnotify_perm+0x111/0x11e [ 2882.863723] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2882.918189] [] __vfs_read+0xc2/0x145 [ 2882.967990] [] vfs_read+0x12a/0x209 [ 2883.015261] [] SyS_read+0xec/0x174 [ 2883.054565] [] ? vfs_copy_file_range+0x485/0x485 [ 2883.100702] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2883.150314] ================================================================================ [ 2883.213353] ================================================================================ [ 2883.286985] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2883.331420] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2883.402868] which requires 64 byte alignment [ 2883.438515] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2883.491483] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2883.556372] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2883.613277] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2883.672315] 0000000000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2883.734894] Call Trace: [ 2883.750790] [] dump_stack+0xd7/0x132 [ 2883.795112] [] ? arch_local_irq_restore+0x1b/0x1b [ 2883.838943] [] ubsan_epilogue+0x12/0x53 [ 2883.876658] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2883.931724] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2883.980432] [] ? arch_local_irq_restore+0x6/0xd [ 2884.024839] [] _ext4_show_options+0x3f/0xf1a [ 2884.074618] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2884.124660] [] ? security_sb_show_options+0x9d/0xaa [ 2884.174709] [] ext4_show_options+0x47/0x4c [ 2884.223746] [] show_mountinfo+0x7ed/0x846 [ 2884.269206] [] ? _ext4_show_options+0xf1a/0xf1a [ 2884.315627] [] ? show_type+0x145/0x145 [ 2884.358311] [] m_show+0x75/0x7c [ 2884.397284] [] seq_read+0x7ba/0x11ae [ 2884.435095] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2884.483156] [] ? fsnotify_perm+0x111/0x11e [ 2884.522544] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2884.574655] [] __vfs_read+0xc2/0x145 [ 2884.610596] [] vfs_read+0x12a/0x209 [ 2884.648727] [] SyS_read+0xec/0x174 [ 2884.688021] [] ? vfs_copy_file_range+0x485/0x485 [ 2884.733511] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2885.164253] ================================================================================ [ 2885.233157] ================================================================================ [ 2885.302549] UBSAN: Undefined behaviour in fs/ext4/super.c:1959:27 [ 2885.340024] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2885.406843] which requires 64 byte alignment [ 2885.434675] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2885.490331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2885.563019] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2885.620975] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2885.678760] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2885.732116] Call Trace: [ 2885.746729] [] dump_stack+0xd7/0x132 [ 2885.788213] [] ? arch_local_irq_restore+0x1b/0x1b [ 2885.826997] [] ubsan_epilogue+0x12/0x53 [ 2885.870361] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2885.922614] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2885.978656] [] ? arch_local_irq_restore+0x6/0xd [ 2886.028918] [] _ext4_show_options+0x74/0xf1a [ 2886.076803] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2886.125425] [] ? security_sb_show_options+0x9d/0xaa [ 2886.183275] [] ext4_show_options+0x47/0x4c [ 2886.226616] [] show_mountinfo+0x7ed/0x846 [ 2886.266662] [] ? _ext4_show_options+0xf1a/0xf1a [ 2886.310968] [] ? show_type+0x145/0x145 [ 2886.354909] [] m_show+0x75/0x7c [ 2886.390955] [] seq_read+0x7ba/0x11ae [ 2886.430991] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2886.476122] [] ? fsnotify_perm+0x111/0x11e [ 2886.521626] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2886.569322] [] __vfs_read+0xc2/0x145 [ 2886.605022] [] vfs_read+0x12a/0x209 [ 2886.647023] [] SyS_read+0xec/0x174 [ 2886.680379] [] ? vfs_copy_file_range+0x485/0x485 [ 2886.726782] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2886.774476] ================================================================================ [ 2886.830665] ================================================================================ [ 2886.895574] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:264:40 [ 2886.942807] member access within misaligned address ffff8800a369aac8 for type 'const struct bucket_table' [ 2887.030583] which requires 64 byte alignment [ 2887.060583] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2887.129787] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2887.206950] Workqueue: events rht_deferred_worker [ 2887.244248] 00000000ffffffff 0000000054e9053f ffff8800a24b7b48 ffffffffb26ec5cc [ 2887.302129] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2887.363299] ffff880000000010 ffff8800a24b7b70 ffff8800a24b7b20 ffffffffb363c3e0 [ 2887.432659] Call Trace: [ 2887.451589] [] dump_stack+0xd7/0x132 [ 2887.497161] [] ? arch_local_irq_restore+0x1b/0x1b [ 2887.544118] [] ubsan_epilogue+0x12/0x53 [ 2887.587920] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2887.637168] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2887.698755] [] ? __asan_storeN+0x12/0x14 [ 2887.740167] [] ? native_load_sp0+0x5d/0x66 [ 2887.784849] [] rht_deferred_worker+0x157/0xbe7 [ 2887.831709] [] ? __list_add+0x249/0x249 [ 2887.873042] [] ? bucket_table_alloc+0x544/0x544 [ 2887.928465] [] ? get_work_pwq+0x58/0x58 [ 2887.974161] [] process_one_work+0x54a/0x88e [ 2888.023556] [] ? create_worker+0x528/0x528 [ 2888.060042] [] ? worker_clr_flags+0x187/0x193 [ 2888.111104] [] worker_thread+0x67c/0x857 [ 2888.151117] [] kthread+0x1f7/0x20b [ 2888.190577] [] ? rescuer_thread+0x91f/0x91f [ 2888.239732] [] ? init_completion+0x48/0x48 [ 2888.278363] [] ret_from_fork+0x1f/0x40 [ 2888.318961] [] ? init_completion+0x48/0x48 [ 2888.364459] ================================================================================ [ 2888.432355] ================================================================================ [ 2888.500560] UBSAN: Undefined behaviour in lib/rhashtable.c:298:42 [ 2888.547064] member access within misaligned address ffff8800a369aac8 for type 'struct bucket_table' [ 2888.615440] which requires 64 byte alignment [ 2888.643330] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2888.695281] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2888.754881] Workqueue: events rht_deferred_worker [ 2888.786919] 00000000ffffffff 0000000054e9053f ffff8800a24b7b48 ffffffffb26ec5cc [ 2888.834967] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2888.890610] ffffffff00000010 ffff8800a24b7b70 ffff8800a24b7b20 ffffffffb363c3e0 [ 2888.940337] Call Trace: [ 2888.954013] [] dump_stack+0xd7/0x132 [ 2888.984486] [] ? arch_local_irq_restore+0x1b/0x1b [ 2889.027951] [] ubsan_epilogue+0x12/0x53 [ 2889.060039] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2889.102652] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2889.154433] [] ? __asan_storeN+0x12/0x14 [ 2889.193771] [] ? native_load_sp0+0x5d/0x66 [ 2889.230600] [] rht_deferred_worker+0x26d/0xbe7 [ 2889.268892] [] ? __list_add+0x249/0x249 [ 2889.307442] [] ? bucket_table_alloc+0x544/0x544 [ 2889.347506] [] ? get_work_pwq+0x58/0x58 [ 2889.386919] [] process_one_work+0x54a/0x88e [ 2889.419026] [] ? create_worker+0x528/0x528 [ 2889.458798] [] ? worker_clr_flags+0x187/0x193 [ 2889.494525] [] worker_thread+0x67c/0x857 [ 2889.538862] [] kthread+0x1f7/0x20b [ 2889.567150] [] ? rescuer_thread+0x91f/0x91f [ 2889.603939] [] ? init_completion+0x48/0x48 [ 2889.643772] [] ret_from_fork+0x1f/0x40 [ 2889.673658] [] ? init_completion+0x48/0x48 [ 2889.713563] ================================================================================ [ 2889.764146] ================================================================================ [ 2889.820233] UBSAN: Undefined behaviour in fs/ext4/super.c:1960:50 [ 2889.860139] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2889.975080] which requires 64 byte alignment [ 2890.027332] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2890.133503] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2890.257972] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2890.359348] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2890.599706] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2890.710055] Call Trace: [ 2890.747449] [] dump_stack+0xd7/0x132 [ 2890.801277] [] ? arch_local_irq_restore+0x1b/0x1b [ 2891.045046] [] ubsan_epilogue+0x12/0x53 [ 2891.100209] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2891.166251] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2891.229474] [] ? arch_local_irq_restore+0x6/0xd [ 2891.293913] [] _ext4_show_options+0xa5/0xf1a [ 2891.372748] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2891.457369] [] ? security_sb_show_options+0x9d/0xaa [ 2891.526626] [] ext4_show_options+0x47/0x4c [ 2891.581668] [] show_mountinfo+0x7ed/0x846 [ 2891.629461] [] ? _ext4_show_options+0xf1a/0xf1a [ 2891.705387] [] ? show_type+0x145/0x145 [ 2891.769188] [] m_show+0x75/0x7c [ 2891.823445] [] seq_read+0x7ba/0x11ae [ 2891.901462] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2891.991866] [] ? fsnotify_perm+0x111/0x11e [ 2892.058569] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2892.144031] [] __vfs_read+0xc2/0x145 [ 2892.204314] [] vfs_read+0x12a/0x209 [ 2892.269614] [] SyS_read+0xec/0x174 [ 2892.336940] [] ? vfs_copy_file_range+0x485/0x485 [ 2892.413518] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2892.491350] ================================================================================ [ 2892.594544] ================================================================================ [ 2892.698051] UBSAN: Undefined behaviour in fs/ext4/super.c:1967:9 [ 2892.770153] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2892.888690] which requires 64 byte alignment [ 2892.944309] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2893.028573] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2893.153080] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2893.249820] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2893.346511] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2893.441396] Call Trace: [ 2893.474189] [] dump_stack+0xd7/0x132 [ 2893.540907] [] ? arch_local_irq_restore+0x1b/0x1b [ 2893.617660] [] ubsan_epilogue+0x12/0x53 [ 2893.680062] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2893.768831] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2893.856819] [] ? arch_local_irq_restore+0x6/0xd [ 2893.941999] [] _ext4_show_options+0xe9/0xf1a [ 2894.019412] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2894.106658] [] ext4_show_options+0x47/0x4c [ 2894.169386] [] show_mountinfo+0x7ed/0x846 [ 2894.245433] [] ? _ext4_show_options+0xf1a/0xf1a [ 2894.310871] [] ? show_type+0x145/0x145 [ 2894.382937] [] m_show+0x75/0x7c [ 2894.438981] [] seq_read+0x7ba/0x11ae [ 2894.501428] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2894.580532] [] ? fsnotify_perm+0x111/0x11e [ 2894.647961] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2894.722360] [] __vfs_read+0xc2/0x145 [ 2894.794336] [] vfs_read+0x12a/0x209 [ 2894.861259] [] SyS_read+0xec/0x174 [ 2894.926061] [] ? vfs_copy_file_range+0x485/0x485 [ 2894.992284] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2895.065863] ================================================================================ [ 2895.181100] ================================================================================ [ 2895.289002] UBSAN: Undefined behaviour in fs/ext4/super.c:1975:28 [ 2895.367215] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2895.489998] which requires 64 byte alignment [ 2895.546719] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2895.636067] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2895.747158] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2895.834664] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2895.926524] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2896.015038] Call Trace: [ 2896.047662] [] dump_stack+0xd7/0x132 [ 2896.114989] [] ? arch_local_irq_restore+0x1b/0x1b [ 2896.186412] [] ubsan_epilogue+0x12/0x53 [ 2896.259826] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2896.343751] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2896.436599] [] ? arch_local_irq_restore+0x6/0xd [ 2896.510295] [] _ext4_show_options+0x21d/0xf1a [ 2896.576860] [] ext4_show_options+0x47/0x4c [ 2896.646142] [] show_mountinfo+0x7ed/0x846 [ 2896.707596] [] ? _ext4_show_options+0xf1a/0xf1a [ 2896.789431] [] ? show_type+0x145/0x145 [ 2896.853257] [] m_show+0x75/0x7c [ 2896.908185] [] seq_read+0x7ba/0x11ae [ 2896.972843] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2897.054509] [] ? fsnotify_perm+0x111/0x11e [ 2897.132631] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2897.205166] [] __vfs_read+0xc2/0x145 [ 2897.266389] [] vfs_read+0x12a/0x209 [ 2897.328157] [] SyS_read+0xec/0x174 [ 2897.381801] [] ? vfs_copy_file_range+0x485/0x485 [ 2897.459641] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2897.532391] ================================================================================ [ 2897.627556] ================================================================================ [ 2897.735834] UBSAN: Undefined behaviour in fs/ext4/super.c:1984:17 [ 2897.809154] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2897.912818] which requires 64 byte alignment [ 2897.963918] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2898.042573] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2898.162339] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2898.267620] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2898.363699] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2898.462187] Call Trace: [ 2898.488859] [] dump_stack+0xd7/0x132 [ 2898.554186] [] ? arch_local_irq_restore+0x1b/0x1b [ 2898.645782] [] ubsan_epilogue+0x12/0x53 [ 2898.715104] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2898.803818] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2898.902360] [] ? arch_local_irq_restore+0x6/0xd [ 2898.963882] [] _ext4_show_options+0x431/0xf1a [ 2899.034599] [] ext4_show_options+0x47/0x4c [ 2899.116060] [] show_mountinfo+0x7ed/0x846 [ 2899.183617] [] ? _ext4_show_options+0xf1a/0xf1a [ 2899.264203] [] ? show_type+0x145/0x145 [ 2899.585947] [] m_show+0x75/0x7c [ 2899.644435] [] seq_read+0x7ba/0x11ae [ 2899.711765] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2899.789537] [] ? fsnotify_perm+0x111/0x11e [ 2899.862731] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2899.940943] [] __vfs_read+0xc2/0x145 [ 2900.006387] [] vfs_read+0x12a/0x209 [ 2900.059148] [] SyS_read+0xec/0x174 [ 2900.120728] [] ? vfs_copy_file_range+0x485/0x485 [ 2900.184199] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2900.262197] ================================================================================ [ 2900.366894] ================================================================================ [ 2900.468936] UBSAN: Undefined behaviour in fs/ext4/super.c:1988:17 [ 2900.542313] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2900.651523] which requires 64 byte alignment [ 2900.713260] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2900.805110] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2900.926218] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2901.011083] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2901.110044] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2901.199807] Call Trace: [ 2901.227859] [] dump_stack+0xd7/0x132 [ 2901.295290] [] ? arch_local_irq_restore+0x1b/0x1b [ 2901.371403] [] ubsan_epilogue+0x12/0x53 [ 2901.440831] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2901.519866] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2901.616177] [] ? map_id_down+0x11c/0x12b [ 2901.690072] [] _ext4_show_options+0x4b5/0xf1a [ 2901.757370] [] ext4_show_options+0x47/0x4c [ 2901.822545] [] show_mountinfo+0x7ed/0x846 [ 2901.886669] [] ? _ext4_show_options+0xf1a/0xf1a [ 2901.957178] [] ? show_type+0x145/0x145 [ 2902.023223] [] m_show+0x75/0x7c [ 2902.078311] [] seq_read+0x7ba/0x11ae [ 2902.139323] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2902.217522] [] ? fsnotify_perm+0x111/0x11e [ 2902.289272] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2902.382021] [] __vfs_read+0xc2/0x145 [ 2902.431275] [] vfs_read+0x12a/0x209 [ 2902.504134] [] SyS_read+0xec/0x174 [ 2902.565649] [] ? vfs_copy_file_range+0x485/0x485 [ 2902.659420] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2902.729438] ================================================================================ [ 2902.837964] ================================================================================ [ 2902.951353] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2903.024759] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2903.140339] which requires 64 byte alignment [ 2903.199213] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2903.276798] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2903.394987] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2903.487698] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2903.580858] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2903.681349] Call Trace: [ 2903.706024] [] dump_stack+0xd7/0x132 [ 2903.781204] [] ? arch_local_irq_restore+0x1b/0x1b [ 2903.865148] [] ubsan_epilogue+0x12/0x53 [ 2903.925158] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2904.007585] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2904.093894] [] ? map_id_down+0x11c/0x12b [ 2904.164773] [] _ext4_show_options+0x5cf/0xf1a [ 2904.230536] [] ext4_show_options+0x47/0x4c [ 2904.301994] [] show_mountinfo+0x7ed/0x846 [ 2904.374829] [] ? _ext4_show_options+0xf1a/0xf1a [ 2904.457067] [] ? show_type+0x145/0x145 [ 2904.531184] [] m_show+0x75/0x7c [ 2904.591334] [] seq_read+0x7ba/0x11ae [ 2904.655019] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2904.742062] [] ? fsnotify_perm+0x111/0x11e [ 2904.816422] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2904.899484] [] __vfs_read+0xc2/0x145 [ 2904.952242] [] vfs_read+0x12a/0x209 [ 2905.016178] [] SyS_read+0xec/0x174 [ 2905.068851] [] ? vfs_copy_file_range+0x485/0x485 [ 2905.151127] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2905.224352] ================================================================================ [ 2905.326432] ================================================================================ [ 2905.440521] UBSAN: Undefined behaviour in fs/ext4/super.c:1993:6 [ 2905.509678] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2905.627733] which requires 64 byte alignment [ 2905.675362] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2905.771406] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2905.887560] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2905.983927] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2906.094670] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2906.181695] Call Trace: [ 2906.207345] [] dump_stack+0xd7/0x132 [ 2906.272012] [] ? arch_local_irq_restore+0x1b/0x1b [ 2906.358105] [] ubsan_epilogue+0x12/0x53 [ 2906.428250] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2906.514204] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2906.598586] [] ? map_id_down+0x11c/0x12b [ 2906.675188] [] _ext4_show_options+0x5fa/0xf1a [ 2906.735662] [] ext4_show_options+0x47/0x4c [ 2906.801658] [] show_mountinfo+0x7ed/0x846 [ 2906.874049] [] ? _ext4_show_options+0xf1a/0xf1a [ 2906.943085] [] ? show_type+0x145/0x145 [ 2907.001204] [] m_show+0x75/0x7c [ 2907.069580] [] seq_read+0x7ba/0x11ae [ 2907.123659] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2907.198204] [] ? fsnotify_perm+0x111/0x11e [ 2907.265673] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2907.353365] [] __vfs_read+0xc2/0x145 [ 2907.422903] [] vfs_read+0x12a/0x209 [ 2907.473048] [] SyS_read+0xec/0x174 [ 2907.539131] [] ? vfs_copy_file_range+0x485/0x485 [ 2907.607077] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2907.685165] ================================================================================ [ 2907.799868] ================================================================================ [ 2907.898805] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2907.977677] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2908.081744] which requires 64 byte alignment [ 2908.123261] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2908.215092] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2908.338512] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2908.425680] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2908.520333] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2908.613901] Call Trace: [ 2908.649208] [] dump_stack+0xd7/0x132 [ 2908.708527] [] ? arch_local_irq_restore+0x1b/0x1b [ 2908.928533] [] ubsan_epilogue+0x12/0x53 [ 2909.001536] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2909.081349] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2909.176647] [] ? map_id_down+0x11c/0x12b [ 2909.240805] [] _ext4_show_options+0x648/0xf1a [ 2909.306221] [] ext4_show_options+0x47/0x4c [ 2909.378446] [] show_mountinfo+0x7ed/0x846 [ 2909.442997] [] ? _ext4_show_options+0xf1a/0xf1a [ 2909.511482] [] ? show_type+0x145/0x145 [ 2909.580295] [] m_show+0x75/0x7c [ 2909.632147] [] seq_read+0x7ba/0x11ae [ 2909.699914] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2909.782011] [] ? fsnotify_perm+0x111/0x11e [ 2909.859218] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2909.937359] [] __vfs_read+0xc2/0x145 [ 2910.007686] [] vfs_read+0x12a/0x209 [ 2910.084923] [] SyS_read+0xec/0x174 [ 2910.148524] [] ? vfs_copy_file_range+0x485/0x485 [ 2910.231588] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2910.304959] ================================================================================ [ 2910.402589] ================================================================================ [ 2910.513493] UBSAN: Undefined behaviour in fs/ext4/super.c:1995:6 [ 2910.575669] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2910.692726] which requires 64 byte alignment [ 2910.742820] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2910.837067] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2910.952262] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2911.041872] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2911.135600] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2911.225996] Call Trace: [ 2911.255503] [] dump_stack+0xd7/0x132 [ 2911.325644] [] ? arch_local_irq_restore+0x1b/0x1b [ 2911.406704] [] ubsan_epilogue+0x12/0x53 [ 2911.467465] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2911.544528] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2911.641463] [] ? map_id_down+0x11c/0x12b [ 2911.709641] [] _ext4_show_options+0x673/0xf1a [ 2911.783686] [] ext4_show_options+0x47/0x4c [ 2911.859209] [] show_mountinfo+0x7ed/0x846 [ 2911.926728] [] ? _ext4_show_options+0xf1a/0xf1a [ 2912.001858] [] ? show_type+0x145/0x145 [ 2912.066799] [] m_show+0x75/0x7c [ 2912.119901] [] seq_read+0x7ba/0x11ae [ 2912.180093] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2912.252460] [] ? fsnotify_perm+0x111/0x11e [ 2912.327888] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2912.407850] [] __vfs_read+0xc2/0x145 [ 2912.470637] [] vfs_read+0x12a/0x209 [ 2912.530902] [] SyS_read+0xec/0x174 [ 2912.588074] [] ? vfs_copy_file_range+0x485/0x485 [ 2912.670750] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2912.744057] ================================================================================ [ 2912.852956] ================================================================================ [ 2912.946260] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2913.019499] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2913.131429] which requires 64 byte alignment [ 2913.184158] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2913.272261] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2913.382364] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2913.489516] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2913.573751] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2913.666083] Call Trace: [ 2913.696638] [] dump_stack+0xd7/0x132 [ 2913.767620] [] ? arch_local_irq_restore+0x1b/0x1b [ 2913.846623] [] ubsan_epilogue+0x12/0x53 [ 2913.905560] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2913.987250] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2914.087686] [] ? map_id_down+0x11c/0x12b [ 2914.160359] [] _ext4_show_options+0x6c1/0xf1a [ 2914.232873] [] ext4_show_options+0x47/0x4c [ 2914.302755] [] show_mountinfo+0x7ed/0x846 [ 2914.369281] [] ? _ext4_show_options+0xf1a/0xf1a [ 2914.452973] [] ? show_type+0x145/0x145 [ 2914.514744] [] m_show+0x75/0x7c [ 2914.565927] [] seq_read+0x7ba/0x11ae [ 2914.628815] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2914.714191] [] ? fsnotify_perm+0x111/0x11e [ 2914.781549] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2914.866862] [] __vfs_read+0xc2/0x145 [ 2914.920038] [] vfs_read+0x12a/0x209 [ 2914.983999] [] SyS_read+0xec/0x174 [ 2915.052609] [] ? vfs_copy_file_range+0x485/0x485 [ 2915.119548] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2915.196448] ================================================================================ [ 2915.320341] ================================================================================ [ 2915.429864] UBSAN: Undefined behaviour in fs/ext4/super.c:1997:6 [ 2915.518133] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2915.621409] which requires 64 byte alignment [ 2915.671850] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2915.759104] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2915.871921] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2915.965190] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2916.054868] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2916.155387] Call Trace: [ 2916.183422] [] dump_stack+0xd7/0x132 [ 2916.248495] [] ? arch_local_irq_restore+0x1b/0x1b [ 2916.331837] [] ubsan_epilogue+0x12/0x53 [ 2916.401189] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2916.486665] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2916.580451] [] ? map_id_down+0x11c/0x12b [ 2916.696697] [] _ext4_show_options+0x6ec/0xf1a [ 2916.773285] [] ext4_show_options+0x47/0x4c [ 2916.865551] [] show_mountinfo+0x7ed/0x846 [ 2916.957602] [] ? _ext4_show_options+0xf1a/0xf1a [ 2917.038129] [] ? show_type+0x145/0x145 [ 2917.171401] [] m_show+0x75/0x7c [ 2917.227398] [] seq_read+0x7ba/0x11ae [ 2917.281407] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2917.345143] [] ? fsnotify_perm+0x111/0x11e [ 2917.417166] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2917.521691] [] __vfs_read+0xc2/0x145 [ 2917.592468] [] vfs_read+0x12a/0x209 [ 2917.672013] [] SyS_read+0xec/0x174 [ 2917.743826] [] ? vfs_copy_file_range+0x485/0x485 [ 2917.833366] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2917.916451] ================================================================================ [ 2918.034253] ================================================================================ [ 2918.146494] UBSAN: Undefined behaviour in fs/ext4/super.c:1999:19 [ 2918.224756] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2918.349099] which requires 64 byte alignment [ 2918.408207] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2918.516515] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2918.634599] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2918.742327] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2918.966999] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2919.079426] Call Trace: [ 2919.111587] [] dump_stack+0xd7/0x132 [ 2919.179739] [] ? arch_local_irq_restore+0x1b/0x1b [ 2919.274032] [] ubsan_epilogue+0x12/0x53 [ 2919.355546] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2919.448524] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2919.559838] [] ? map_id_down+0x11c/0x12b [ 2919.649494] [] _ext4_show_options+0x7af/0xf1a [ 2919.729696] [] ext4_show_options+0x47/0x4c [ 2919.808785] [] show_mountinfo+0x7ed/0x846 [ 2919.886488] [] ? _ext4_show_options+0xf1a/0xf1a [ 2919.969176] [] ? show_type+0x145/0x145 [ 2920.042966] [] m_show+0x75/0x7c [ 2920.113745] [] seq_read+0x7ba/0x11ae [ 2920.187019] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2920.282732] [] ? fsnotify_perm+0x111/0x11e [ 2920.356560] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2920.451453] [] __vfs_read+0xc2/0x145 [ 2920.512612] [] vfs_read+0x12a/0x209 [ 2920.583078] [] SyS_read+0xec/0x174 [ 2920.647100] [] ? vfs_copy_file_range+0x485/0x485 [ 2920.737078] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2920.821611] ================================================================================ [ 2920.931622] ================================================================================ [ 2921.056821] UBSAN: Undefined behaviour in fs/ext4/super.c:2001:19 [ 2921.151880] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2921.279796] which requires 64 byte alignment [ 2921.342393] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2921.441650] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2921.574053] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2921.681901] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2921.784587] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2921.889143] Call Trace: [ 2921.924948] [] dump_stack+0xd7/0x132 [ 2921.992993] [] ? arch_local_irq_restore+0x1b/0x1b [ 2922.071238] [] ubsan_epilogue+0x12/0x53 [ 2922.156833] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2922.246719] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2922.353644] [] ? map_id_down+0x11c/0x12b [ 2922.434477] [] _ext4_show_options+0x7e6/0xf1a [ 2922.518832] [] ext4_show_options+0x47/0x4c [ 2922.605702] [] show_mountinfo+0x7ed/0x846 [ 2922.685924] [] ? _ext4_show_options+0xf1a/0xf1a [ 2922.763438] [] ? show_type+0x145/0x145 [ 2922.835383] [] m_show+0x75/0x7c [ 2922.911861] [] seq_read+0x7ba/0x11ae [ 2922.989186] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2923.072321] [] ? fsnotify_perm+0x111/0x11e [ 2923.172683] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2923.274351] [] __vfs_read+0xc2/0x145 [ 2923.341367] [] vfs_read+0x12a/0x209 [ 2923.413659] [] SyS_read+0xec/0x174 [ 2923.487362] [] ? vfs_copy_file_range+0x485/0x485 [ 2923.573468] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2923.683560] ================================================================================ [ 2923.812607] ================================================================================ [ 2923.932510] UBSAN: Undefined behaviour in fs/ext4/super.c:2003:19 [ 2924.020702] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2924.152447] which requires 64 byte alignment [ 2924.218921] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2924.312749] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2924.442943] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2924.550174] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2924.668704] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2924.781426] Call Trace: [ 2924.816518] [] dump_stack+0xd7/0x132 [ 2924.893139] [] ? arch_local_irq_restore+0x1b/0x1b [ 2924.982941] [] ubsan_epilogue+0x12/0x53 [ 2925.061540] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2925.159298] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2925.256995] [] ? map_id_down+0x11c/0x12b [ 2925.326442] [] _ext4_show_options+0x85b/0xf1a [ 2925.408424] [] ext4_show_options+0x47/0x4c [ 2925.498516] [] show_mountinfo+0x7ed/0x846 [ 2925.574628] [] ? _ext4_show_options+0xf1a/0xf1a [ 2925.662797] [] ? show_type+0x145/0x145 [ 2925.734461] [] m_show+0x75/0x7c [ 2925.806491] [] seq_read+0x7ba/0x11ae [ 2925.884813] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2925.982527] [] ? fsnotify_perm+0x111/0x11e [ 2926.067013] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2926.150626] [] __vfs_read+0xc2/0x145 [ 2926.224745] [] vfs_read+0x12a/0x209 [ 2926.294820] [] SyS_read+0xec/0x174 [ 2926.360944] [] ? vfs_copy_file_range+0x485/0x485 [ 2926.457621] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2926.557454] ================================================================================ [ 2926.680384] ================================================================================ [ 2926.805712] UBSAN: Undefined behaviour in fs/ext4/super.c:2005:8 [ 2926.886541] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2927.011250] which requires 64 byte alignment [ 2927.088685] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2927.177924] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2927.329945] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2927.441313] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2927.541865] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2927.656676] Call Trace: [ 2927.693068] [] dump_stack+0xd7/0x132 [ 2927.770603] [] ? arch_local_irq_restore+0x1b/0x1b [ 2927.876749] [] ubsan_epilogue+0x12/0x53 [ 2928.204066] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2928.313500] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2928.411308] [] ? map_id_down+0x11c/0x12b [ 2928.481270] [] _ext4_show_options+0x8ce/0xf1a [ 2928.553696] [] ext4_show_options+0x47/0x4c [ 2928.627369] [] show_mountinfo+0x7ed/0x846 [ 2928.701824] [] ? _ext4_show_options+0xf1a/0xf1a [ 2928.784324] [] ? show_type+0x145/0x145 [ 2928.857122] [] m_show+0x75/0x7c [ 2928.913755] [] seq_read+0x7ba/0x11ae [ 2928.974356] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2929.055199] [] ? fsnotify_perm+0x111/0x11e [ 2929.129949] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2929.207853] [] __vfs_read+0xc2/0x145 [ 2929.275392] [] vfs_read+0x12a/0x209 [ 2929.336814] [] SyS_read+0xec/0x174 [ 2929.406453] [] ? vfs_copy_file_range+0x485/0x485 [ 2929.478407] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2929.566314] ================================================================================ [ 2929.659591] ================================================================================ [ 2929.759036] UBSAN: Undefined behaviour in fs/ext4/super.c:2007:19 [ 2929.831995] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2929.946573] which requires 64 byte alignment [ 2929.996029] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2930.085524] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2930.219818] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2930.311815] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2930.415329] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2930.504396] Call Trace: [ 2930.538019] [] dump_stack+0xd7/0x132 [ 2930.617384] [] ? arch_local_irq_restore+0x1b/0x1b [ 2930.709533] [] ubsan_epilogue+0x12/0x53 [ 2930.777410] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2930.864216] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2930.962148] [] ? map_id_down+0x11c/0x12b [ 2931.045657] [] _ext4_show_options+0x96c/0xf1a [ 2931.116150] [] ext4_show_options+0x47/0x4c [ 2931.198120] [] show_mountinfo+0x7ed/0x846 [ 2931.262781] [] ? _ext4_show_options+0xf1a/0xf1a [ 2931.328433] [] ? show_type+0x145/0x145 [ 2931.401485] [] m_show+0x75/0x7c [ 2931.455537] [] seq_read+0x7ba/0x11ae [ 2931.514794] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2931.601815] [] ? fsnotify_perm+0x111/0x11e [ 2931.668543] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2931.752633] [] __vfs_read+0xc2/0x145 [ 2931.808206] [] vfs_read+0x12a/0x209 [ 2931.876904] [] SyS_read+0xec/0x174 [ 2931.940730] [] ? vfs_copy_file_range+0x485/0x485 [ 2932.019248] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2932.094940] ================================================================================ [ 2932.197771] ================================================================================ [ 2932.298419] UBSAN: Undefined behaviour in fs/ext4/super.c:2009:34 [ 2932.361386] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2932.477895] which requires 64 byte alignment [ 2932.533334] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2932.618549] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2932.733446] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2932.822148] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2932.906382] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2933.006587] Call Trace: [ 2933.028190] [] dump_stack+0xd7/0x132 [ 2933.093443] [] ? arch_local_irq_restore+0x1b/0x1b [ 2933.172389] [] ubsan_epilogue+0x12/0x53 [ 2933.242647] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2933.320666] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2933.413065] [] ? map_id_down+0x11c/0x12b [ 2933.482431] [] _ext4_show_options+0x99c/0xf1a [ 2933.559280] [] ext4_show_options+0x47/0x4c [ 2933.630982] [] show_mountinfo+0x7ed/0x846 [ 2933.704489] [] ? _ext4_show_options+0xf1a/0xf1a [ 2933.772251] [] ? show_type+0x145/0x145 [ 2933.842773] [] m_show+0x75/0x7c [ 2933.900836] [] seq_read+0x7ba/0x11ae [ 2933.966086] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2934.050292] [] ? fsnotify_perm+0x111/0x11e [ 2934.127690] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2934.208692] [] __vfs_read+0xc2/0x145 [ 2934.275574] [] vfs_read+0x12a/0x209 [ 2934.330135] [] SyS_read+0xec/0x174 [ 2934.388322] [] ? vfs_copy_file_range+0x485/0x485 [ 2934.533086] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2934.643934] ================================================================================ [ 2934.814686] ================================================================================ [ 2934.985490] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2935.125707] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2935.262202] which requires 64 byte alignment [ 2935.307375] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2935.409313] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2935.526833] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2935.641847] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2935.747982] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2935.848438] Call Trace: [ 2935.885254] [] dump_stack+0xd7/0x132 [ 2935.961500] [] ? arch_local_irq_restore+0x1b/0x1b [ 2936.059736] [] ubsan_epilogue+0x12/0x53 [ 2936.139642] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2936.235081] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2936.346028] [] ? map_id_down+0x11c/0x12b [ 2936.427602] [] _ext4_show_options+0x9d3/0xf1a [ 2936.513834] [] ext4_show_options+0x47/0x4c [ 2936.581817] [] show_mountinfo+0x7ed/0x846 [ 2936.668226] [] ? _ext4_show_options+0xf1a/0xf1a [ 2936.760734] [] ? show_type+0x145/0x145 [ 2936.819954] [] m_show+0x75/0x7c [ 2936.884539] [] seq_read+0x7ba/0x11ae [ 2936.964969] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2937.043121] [] ? fsnotify_perm+0x111/0x11e [ 2937.116319] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2937.207030] [] __vfs_read+0xc2/0x145 [ 2937.281014] [] vfs_read+0x12a/0x209 [ 2937.348631] [] SyS_read+0xec/0x174 [ 2937.421671] [] ? vfs_copy_file_range+0x485/0x485 [ 2937.510641] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2937.597141] ================================================================================ [ 2937.719145] ================================================================================ [ 2937.842280] UBSAN: Undefined behaviour in kernel/sched/fair.c:5692:41 [ 2937.921113] member access within misaligned address ffff88005c31c360 for type 'struct sched_entity' [ 2938.044292] which requires 64 byte alignment [ 2938.098026] CPU: 0 PID: 380 Comm: udevd Tainted: G L 4.8.11 #1 [ 2938.197581] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2938.313018] 00000000ffffffff 000000006dcabedb ffff88005d4079b8 ffffffffb26ec5cc [ 2938.415740] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2938.525431] ffff880000000010 ffff88005d4079e0 ffff88005d407990 ffffffffb363c3e0 [ 2938.626807] Call Trace: [ 2938.655575] [] dump_stack+0xd7/0x132 [ 2938.737355] [] ? arch_local_irq_restore+0x1b/0x1b [ 2938.826971] [] ubsan_epilogue+0x12/0x53 [ 2938.892607] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2938.987224] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2939.090025] [] ? assoc_array_gc+0x12e7/0x12e7 [ 2939.179030] [] ? task_of+0x30/0x7e [ 2939.251794] [] check_preempt_wakeup+0x68c/0x7d1 [ 2939.336841] [] ? dequeue_task_fair+0x2a5/0x2a5 [ 2939.419364] [] ? enqueue_entity+0xc64/0x16ab [ 2939.507175] [] check_preempt_curr+0x122/0x2c3 [ 2939.585486] [] ttwu_do_wakeup+0x1d/0x306 [ 2939.654630] [] ttwu_do_activate+0x14f/0x158 [ 2939.756389] [] try_to_wake_up+0x5db/0x65a [ 2939.849486] [] ? cpus_share_cache+0x125/0x125 [ 2939.947187] [] ? nohz_balance_exit_idle+0xc1/0x14a [ 2940.038782] [] ? calc_wheel_index+0x144/0x144 [ 2940.126066] [] wake_up_process+0x15/0x17 [ 2940.204120] [] process_timeout+0x1c/0x1e [ 2940.284790] [] call_timer_fn+0x7b/0x254 [ 2940.358729] [] ? calc_wheel_index+0x144/0x144 [ 2940.449944] [] __run_timers+0x6d2/0x76b [ 2940.531409] [] ? internal_add_timer+0x8f/0x8f [ 2940.630933] [] ? timekeeping_delta_to_ns+0x97/0xa6 [ 2940.724037] [] ? paravirt_write_msr+0xf/0x13 [ 2940.796933] [] ? native_apic_msr_write+0x29/0x2b [ 2940.866222] [] ? apic_write+0x53/0x5a [ 2940.940491] [] run_timer_softirq+0x26/0x8f [ 2941.017063] [] __do_softirq+0x211/0x59e [ 2941.097802] [] irq_exit+0x65/0xd6 [ 2941.172845] [] smp_apic_timer_interrupt+0x33/0x3e [ 2941.264306] [] apic_timer_interrupt+0x82/0x90 [ 2941.344318] [] ? core_kernel_text+0x2b/0x56 [ 2941.439563] [] ? __sanitizer_cov_trace_pc+0x12d/0x138 [ 2941.524994] [] ? filename_lookup+0x1a1/0x1f3 [ 2941.617297] [] ? user_path_at_empty+0x4c/0x55 [ 2941.698320] [] is_ftrace_trampoline+0x15/0x153 [ 2941.779420] [] __kernel_text_address+0x37/0x55 [ 2941.869878] [] print_context_stack+0x109/0x1c7 [ 2941.964596] [] dump_trace+0x656/0x682 [ 2942.043034] [] save_stack_trace+0x31/0xf1 [ 2942.130139] [] save_stack+0x46/0xce [ 2942.202455] [] ? dump_trace+0x656/0x682 [ 2942.266328] [] ? deactivate_slab+0x527/0x566 [ 2942.346114] [] ? deactivate_slab+0x53d/0x566 [ 2942.427951] [] ? getname_flags+0x4f/0x2e0 [ 2942.510191] [] ? init_object+0x1d6/0x1e2 [ 2942.594688] [] ? getname_flags+0x4f/0x2e0 [ 2942.676648] [] ? ___slab_alloc+0xb72/0xbd2 [ 2942.838921] [] ? ___slab_alloc+0xb72/0xbd2 [ 2942.914658] [] ? getname_flags+0x4f/0x2e0 [ 2943.004360] [] ? kasan_poison_shadow+0x2f/0x31 [ 2943.089144] [] ? kasan_unpoison_shadow+0x14/0x35 [ 2943.173207] [] kasan_kmalloc+0x94/0xa3 [ 2943.262672] [] kasan_slab_alloc+0x12/0x14 [ 2943.349918] [] slab_post_alloc_hook+0x97/0xb7 [ 2943.434248] [] kmem_cache_alloc+0x20f/0x33f [ 2943.516537] [] ? getname_flags+0x4f/0x2e0 [ 2943.593978] [] getname_flags+0x4f/0x2e0 [ 2943.669010] [] getname+0x20/0x22 [ 2943.743173] [] SYSC_symlinkat+0x88/0x218 [ 2943.840255] [] ? do_unlinkat+0x41a/0x41a [ 2943.925822] [] SyS_symlink+0x28/0x2c [ 2944.001000] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2944.086037] ================================================================================ [ 2944.220407] INFO: rcu_sched detected stalls on CPUs/tasks:[ 2944.222299] ================================================================================ [ 2944.222308] UBSAN: Undefined behaviour in fs/ext4/super.c:2010:7 [ 2944.222313] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2944.222315] which requires 64 byte alignment [ 2944.222323] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2944.222326] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.222333] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2944.222342] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.222350] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2944.222357] Call Trace: [ 2944.222371] [] dump_stack+0xd7/0x132 [ 2944.222379] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.222386] [] ubsan_epilogue+0x12/0x53 [ 2944.222393] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.222401] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.222410] [] ? map_id_down+0x11c/0x12b [ 2944.222419] [] _ext4_show_options+0x9fe/0xf1a [ 2944.222427] [] ext4_show_options+0x47/0x4c [ 2944.222435] [] show_mountinfo+0x7ed/0x846 [ 2944.222443] [] ? _ext4_show_options+0xf1a/0xf1a [ 2944.222450] [] ? show_type+0x145/0x145 [ 2944.222458] [] m_show+0x75/0x7c [ 2944.222464] [] seq_read+0x7ba/0x11ae [ 2944.222472] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.222479] [] ? fsnotify_perm+0x111/0x11e [ 2944.222486] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.222494] [] __vfs_read+0xc2/0x145 [ 2944.222501] [] vfs_read+0x12a/0x209 [ 2944.222508] [] SyS_read+0xec/0x174 [ 2944.222516] [] ? vfs_copy_file_range+0x485/0x485 [ 2944.222526] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2944.222529] ================================================================================ [ 2944.222830] ================================================================================ [ 2944.222835] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2944.222840] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2944.222842] which requires 64 byte alignment [ 2944.222848] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2944.222852] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.222855] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2944.222863] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.222872] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2944.222879] Call Trace: [ 2944.222888] [] dump_stack+0xd7/0x132 [ 2944.222895] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.222902] [] ubsan_epilogue+0x12/0x53 [ 2944.222909] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.222916] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.222925] [] ? map_id_down+0x11c/0x12b [ 2944.222933] [] _ext4_show_options+0xa4f/0xf1a [ 2944.222941] [] ext4_show_options+0x47/0x4c [ 2944.222949] [] show_mountinfo+0x7ed/0x846 [ 2944.222956] [] ? _ext4_show_options+0xf1a/0xf1a [ 2944.222963] [] ? show_type+0x145/0x145 [ 2944.222971] [] m_show+0x75/0x7c [ 2944.222977] [] seq_read+0x7ba/0x11ae [ 2944.222984] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.222991] [] ? fsnotify_perm+0x111/0x11e [ 2944.222998] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.223005] [] __vfs_read+0xc2/0x145 [ 2944.223012] [] vfs_read+0x12a/0x209 [ 2944.223020] [] SyS_read+0xec/0x174 [ 2944.223028] [] ? vfs_copy_file_range+0x485/0x485 [ 2944.223036] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2944.223039] ================================================================================ [ 2944.223042] ================================================================================ [ 2944.223045] UBSAN: Undefined behaviour in fs/ext4/super.c:2012:12 [ 2944.223049] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2944.223051] which requires 64 byte alignment [ 2944.223056] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2944.223060] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.223062] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2944.223070] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.223078] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2944.223085] Call Trace: [ 2944.223092] [] dump_stack+0xd7/0x132 [ 2944.223099] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.223106] [] ubsan_epilogue+0x12/0x53 [ 2944.223113] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.223121] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.223128] [] ? map_id_down+0x11c/0x12b [ 2944.223136] [] _ext4_show_options+0xa69/0xf1a [ 2944.223144] [] ext4_show_options+0x47/0x4c [ 2944.223151] [] show_mountinfo+0x7ed/0x846 [ 2944.223159] [] ? _ext4_show_options+0xf1a/0xf1a [ 2944.223166] [] ? show_type+0x145/0x145 [ 2944.223173] [] m_show+0x75/0x7c [ 2944.223179] [] seq_read+0x7ba/0x11ae [ 2944.223187] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.223193] [] ? fsnotify_perm+0x111/0x11e [ 2944.223201] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.223208] [] __vfs_read+0xc2/0x145 [ 2944.223215] [] vfs_read+0x12a/0x209 [ 2944.223222] [] SyS_read+0xec/0x174 [ 2944.223230] [] ? vfs_copy_file_range+0x485/0x485 [ 2944.226555] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2944.226562] ================================================================================ [ 2944.226632] ================================================================================ [ 2944.226637] UBSAN: Undefined behaviour in fs/ext4/super.c:2018:9 [ 2944.226642] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2944.226644] which requires 64 byte alignment [ 2944.226651] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2944.226654] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.226661] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2944.226670] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.226678] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2944.226685] Call Trace: [ 2944.226696] [] dump_stack+0xd7/0x132 [ 2944.226704] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.226712] [] ubsan_epilogue+0x12/0x53 [ 2944.226719] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.226727] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.226735] [] ? map_id_down+0x11c/0x12b [ 2944.226744] [] _ext4_show_options+0xb62/0xf1a [ 2944.226752] [] ext4_show_options+0x47/0x4c [ 2944.226760] [] show_mountinfo+0x7ed/0x846 [ 2944.226768] [] ? _ext4_show_options+0xf1a/0xf1a [ 2944.226775] [] ? show_type+0x145/0x145 [ 2944.226783] [] m_show+0x75/0x7c [ 2944.226789] [] seq_read+0x7ba/0x11ae [ 2944.226797] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.226804] [] ? fsnotify_perm+0x111/0x11e [ 2944.226812] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.226819] [] __vfs_read+0xc2/0x145 [ 2944.226826] [] vfs_read+0x12a/0x209 [ 2944.226834] [] SyS_read+0xec/0x174 [ 2944.226842] [] ? vfs_copy_file_range+0x485/0x485 [ 2944.226851] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2944.226854] ================================================================================ [ 2944.226856] ================================================================================ [ 2944.226860] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2944.226864] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2944.226866] which requires 64 byte alignment [ 2944.226871] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2944.226875] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.226877] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2944.226885] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.226894] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2944.226901] Call Trace: [ 2944.226908] [] dump_stack+0xd7/0x132 [ 2944.226915] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.226922] [] ubsan_epilogue+0x12/0x53 [ 2944.226929] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.226936] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.226944] [] ? map_id_down+0x11c/0x12b [ 2944.226974] [] _ext4_show_options+0xb92/0xf1a [ 2944.226984] [] ext4_show_options+0x47/0x4c [ 2944.226991] [] show_mountinfo+0x7ed/0x846 [ 2944.229851] [] ? _ext4_show_options+0xf1a/0xf1a [ 2944.229867] [] ? show_type+0x145/0x145 [ 2944.229876] [] m_show+0x75/0x7c [ 2944.229882] [] seq_read+0x7ba/0x11ae [ 2944.229890] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.229898] [] ? fsnotify_perm+0x111/0x11e [ 2944.229905] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.229912] [] __vfs_read+0xc2/0x145 [ 2944.229919] [] vfs_read+0x12a/0x209 [ 2944.229927] [] SyS_read+0xec/0x174 [ 2944.229935] [] ? vfs_copy_file_range+0x485/0x485 [ 2944.229945] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2944.229949] ================================================================================ [ 2944.230019] ================================================================================ [ 2944.230024] UBSAN: Undefined behaviour in fs/ext4/super.c:2022:17 [ 2944.230029] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2944.230031] which requires 64 byte alignment [ 2944.230037] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2944.230041] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.230047] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2944.230055] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.230063] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2944.230071] Call Trace: [ 2944.230079] [] dump_stack+0xd7/0x132 [ 2944.230087] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.230094] [] ubsan_epilogue+0x12/0x53 [ 2944.230101] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.230108] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.230117] [] ? map_id_down+0x11c/0x12b [ 2944.230125] [] _ext4_show_options+0xbbd/0xf1a [ 2944.230133] [] ext4_show_options+0x47/0x4c [ 2944.230141] [] show_mountinfo+0x7ed/0x846 [ 2944.230148] [] ? _ext4_show_options+0xf1a/0xf1a [ 2944.230155] [] ? show_type+0x145/0x145 [ 2944.230163] [] m_show+0x75/0x7c [ 2944.230169] [] seq_read+0x7ba/0x11ae [ 2944.230176] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.230183] [] ? fsnotify_perm+0x111/0x11e [ 2944.230190] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.230197] [] __vfs_read+0xc2/0x145 [ 2944.230204] [] vfs_read+0x12a/0x209 [ 2944.230212] [] SyS_read+0xec/0x174 [ 2944.230312] [] ? vfs_copy_file_range+0x485/0x485 [ 2944.230330] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2944.230334] ================================================================================ [ 2944.230338] ================================================================================ [ 2944.230343] UBSAN: Undefined behaviour in fs/ext4/super.c:2023:14 [ 2944.230349] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2944.230351] which requires 64 byte alignment [ 2944.230359] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2944.230364] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.230370] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2944.230383] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.230396] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2944.230405] Call Trace: [ 2944.230415] [] dump_stack+0xd7/0x132 [ 2944.230425] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.230454] [] ubsan_epilogue+0x12/0x53 [ 2944.230491] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.230502] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.230513] [] ? map_id_down+0x11c/0x12b [ 2944.230524] [] _ext4_show_options+0xc83/0xf1a [ 2944.230535] [] ext4_show_options+0x47/0x4c [ 2944.230545] [] show_mountinfo+0x7ed/0x846 [ 2944.230556] [] ? _ext4_show_options+0xf1a/0xf1a [ 2944.230565] [] ? show_type+0x145/0x145 [ 2944.230575] [] m_show+0x75/0x7c [ 2944.230584] [] seq_read+0x7ba/0x11ae [ 2944.230593] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.230603] [] ? fsnotify_perm+0x111/0x11e [ 2944.230613] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.230622] [] __vfs_read+0xc2/0x145 [ 2944.230632] [] vfs_read+0x12a/0x209 [ 2944.230642] [] SyS_read+0xec/0x174 [ 2944.230652] [] ? vfs_copy_file_range+0x485/0x485 [ 2944.230665] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2944.230669] ================================================================================ [ 2944.230672] ================================================================================ [ 2944.230677] UBSAN: Undefined behaviour in fs/ext4/super.c:2025:19 [ 2944.230682] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2944.230684] which requires 64 byte alignment [ 2944.230692] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2944.230697] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.230701] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2944.230711] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.230722] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2944.230732] Call Trace: [ 2944.230741] [] dump_stack+0xd7/0x132 [ 2944.230751] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.230760] [] ubsan_epilogue+0x12/0x53 [ 2944.230770] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.230781] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.230791] [] ? map_id_down+0x11c/0x12b [ 2944.230802] [] _ext4_show_options+0xc61/0xf1a [ 2944.230840] [] ext4_show_options+0x47/0x4c [ 2944.230851] [] show_mountinfo+0x7ed/0x846 [ 2944.230863] [] ? _ext4_show_options+0xf1a/0xf1a [ 2944.230872] [] ? show_type+0x145/0x145 [ 2944.230882] [] m_show+0x75/0x7c [ 2944.230891] [] seq_read+0x7ba/0x11ae [ 2944.230901] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.230910] [] ? fsnotify_perm+0x111/0x11e [ 2944.230920] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.230930] [] __vfs_read+0xc2/0x145 [ 2944.230939] [] vfs_read+0x12a/0x209 [ 2944.230950] [] SyS_read+0xec/0x174 [ 2944.230960] [] ? vfs_copy_file_range+0x485/0x485 [ 2944.230973] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2944.230977] ================================================================================ [ 2944.230980] ================================================================================ [ 2944.230985] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2944.230991] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2944.230993] which requires 64 byte alignment [ 2944.231000] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2944.231005] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.231009] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2944.231020] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.231031] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2944.231040] Call Trace: [ 2944.231050] [] dump_stack+0xd7/0x132 [ 2944.231060] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.231069] [] ubsan_epilogue+0x12/0x53 [ 2944.231079] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.231089] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.231099] [] ? map_id_down+0x11c/0x12b [ 2944.231111] [] _ext4_show_options+0xce7/0xf1a [ 2944.231122] [] ext4_show_options+0x47/0x4c [ 2944.231132] [] show_mountinfo+0x7ed/0x846 [ 2944.231143] [] ? _ext4_show_options+0xf1a/0xf1a [ 2944.231153] [] ? show_type+0x145/0x145 [ 2944.231163] [] m_show+0x75/0x7c [ 2944.231171] [] seq_read+0x7ba/0x11ae [ 2944.231181] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.231191] [] ? fsnotify_perm+0x111/0x11e [ 2944.231201] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.231210] [] __vfs_read+0xc2/0x145 [ 2944.231220] [] vfs_read+0x12a/0x209 [ 2944.231246] [] SyS_read+0xec/0x174 [ 2944.231258] [] ? vfs_copy_file_range+0x485/0x485 [ 2944.231270] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2944.231274] ================================================================================ [ 2944.241375] ================================================================================ [ 2944.241385] UBSAN: Undefined behaviour in fs/ext4/super.c:2027:6 [ 2944.241390] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2944.241392] which requires 64 byte alignment [ 2944.241400] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2944.241403] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.241410] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2944.241419] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.241427] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2944.241434] Call Trace: [ 2944.241446] [] dump_stack+0xd7/0x132 [ 2944.241453] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.241460] [] ubsan_epilogue+0x12/0x53 [ 2944.241468] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.241475] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.241483] [] ? map_id_down+0x11c/0x12b [ 2944.241492] [] _ext4_show_options+0xd11/0xf1a [ 2944.241500] [] ext4_show_options+0x47/0x4c [ 2944.241508] [] show_mountinfo+0x7ed/0x846 [ 2944.241516] [] ? _ext4_show_options+0xf1a/0xf1a [ 2944.241523] [] ? show_type+0x145/0x145 [ 2944.241531] [] m_show+0x75/0x7c [ 2944.241537] [] seq_read+0x7ba/0x11ae [ 2944.241545] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.241552] [] ? fsnotify_perm+0x111/0x11e [ 2944.241560] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.241567] [] __vfs_read+0xc2/0x145 [ 2944.241574] [] vfs_read+0x12a/0x209 [ 2944.241582] [] SyS_read+0xec/0x174 [ 2944.241590] [] ? vfs_copy_file_range+0x485/0x485 [ 2944.241600] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2944.241603] ================================================================================ [ 2944.241677] ================================================================================ [ 2944.241682] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 2944.241686] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 2944.241688] which requires 64 byte alignment [ 2944.241694] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2944.241698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.241701] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2944.241709] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.241717] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2944.241724] Call Trace: [ 2944.241732] [] dump_stack+0xd7/0x132 [ 2944.241739] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.241746] [] ubsan_epilogue+0x12/0x53 [ 2944.241753] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.241760] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.241768] [] ? map_id_down+0x11c/0x12b [ 2944.241776] [] _ext4_show_options+0xd58/0xf1a [ 2944.241784] [] ext4_show_options+0x47/0x4c [ 2944.241813] [] show_mountinfo+0x7ed/0x846 [ 2944.241822] [] ? _ext4_show_options+0xf1a/0xf1a [ 2944.241841] [] ? show_type+0x145/0x145 [ 2944.241849] [] m_show+0x75/0x7c [ 2944.241855] [] seq_read+0x7ba/0x11ae [ 2944.241862] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.241869] [] ? fsnotify_perm+0x111/0x11e [ 2944.241877] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.241883] [] __vfs_read+0xc2/0x145 [ 2944.241890] [] vfs_read+0x12a/0x209 [ 2944.241898] [] SyS_read+0xec/0x174 [ 2944.241906] [] ? vfs_copy_file_range+0x485/0x485 [ 2944.241915] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2944.241917] ================================================================================ [ 2944.241966] ================================================================================ [ 2944.241971] UBSAN: Undefined behaviour in fs/ext4/super.c:1915:9 [ 2944.241975] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2944.241977] which requires 64 byte alignment [ 2944.241983] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2944.241986] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.241989] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2944.241997] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.242005] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2944.242012] Call Trace: [ 2944.242020] [] dump_stack+0xd7/0x132 [ 2944.242027] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.242034] [] ubsan_epilogue+0x12/0x53 [ 2944.242041] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.242048] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.242056] [] ? map_id_down+0x11c/0x12b [ 2944.242064] [] _ext4_show_options+0xd82/0xf1a [ 2944.242072] [] ext4_show_options+0x47/0x4c [ 2944.242079] [] show_mountinfo+0x7ed/0x846 [ 2944.242087] [] ? _ext4_show_options+0xf1a/0xf1a [ 2944.242094] [] ? show_type+0x145/0x145 [ 2944.242102] [] m_show+0x75/0x7c [ 2944.242108] [] seq_read+0x7ba/0x11ae [ 2944.242115] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.242122] [] ? fsnotify_perm+0x111/0x11e [ 2944.242129] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.242136] [] __vfs_read+0xc2/0x145 [ 2944.242143] [] vfs_read+0x12a/0x209 [ 2944.242150] [] SyS_read+0xec/0x174 [ 2944.242158] [] ? vfs_copy_file_range+0x485/0x485 [ 2944.242167] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2944.242170] ================================================================================ [ 2944.242172] ================================================================================ [ 2944.242176] UBSAN: Undefined behaviour in fs/ext4/super.c:1932:21 [ 2944.242179] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2944.242181] which requires 64 byte alignment [ 2944.242186] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2944.242190] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.242192] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2944.242200] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.242208] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2944.242215] Call Trace: [ 2944.242222] [] dump_stack+0xd7/0x132 [ 2944.242229] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.242235] [] ubsan_epilogue+0x12/0x53 [ 2944.242243] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.242250] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.242257] [] ? map_id_down+0x11c/0x12b [ 2944.242266] [] _ext4_show_options+0xe18/0xf1a [ 2944.242274] [] ext4_show_options+0x47/0x4c [ 2944.242281] [] show_mountinfo+0x7ed/0x846 [ 2944.242288] [] ? _ext4_show_options+0xf1a/0xf1a [ 2944.242295] [] ? show_type+0x145/0x145 [ 2944.242303] [] m_show+0x75/0x7c [ 2944.242309] [] seq_read+0x7ba/0x11ae [ 2944.242316] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.242323] [] ? fsnotify_perm+0x111/0x11e [ 2944.242330] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.242337] [] __vfs_read+0xc2/0x145 [ 2944.242344] [] vfs_read+0x12a/0x209 [ 2944.242351] [] SyS_read+0xec/0x174 [ 2944.242359] [] ? vfs_copy_file_range+0x485/0x485 [ 2944.242368] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2944.242371] ================================================================================ [ 2944.242373] ================================================================================ [ 2944.242377] UBSAN: Undefined behaviour in fs/ext4/super.c:1935:21 [ 2944.242380] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 2944.242382] which requires 64 byte alignment [ 2944.242387] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2944.242391] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.242393] 00000000ffffffff 00000000798a420e ffff88009ea87aa0 ffffffffb26ec5cc [ 2944.242401] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.242409] ffff880000000010 ffff88009ea87ac8 ffff88009ea87a78 ffffffffb363c3e0 [ 2944.242416] Call Trace: [ 2944.242423] [] dump_stack+0xd7/0x132 [ 2944.242430] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.242436] [] ubsan_epilogue+0x12/0x53 [ 2944.242443] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.242451] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.242458] [] ? map_id_down+0x11c/0x12b [ 2944.242466] [] _ext4_show_options+0xe7f/0xf1a [ 2944.242474] [] ext4_show_options+0x47/0x4c [ 2944.242482] [] show_mountinfo+0x7ed/0x846 [ 2944.242489] [] ? _ext4_show_options+0xf1a/0xf1a [ 2944.242496] [] ? show_type+0x145/0x145 [ 2944.242504] [] m_show+0x75/0x7c [ 2944.242510] [] seq_read+0x7ba/0x11ae [ 2944.242517] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.242524] [] ? fsnotify_perm+0x111/0x11e [ 2944.242531] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.242538] [] __vfs_read+0xc2/0x145 [ 2944.242545] [] vfs_read+0x12a/0x209 [ 2944.242553] [] SyS_read+0xec/0x174 [ 2944.242560] [] ? vfs_copy_file_range+0x485/0x485 [ 2944.242569] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2944.242572] ================================================================================ [ 2944.242686] ================================================================================ [ 2944.242691] UBSAN: Undefined behaviour in mm/shmem.c:133:11 [ 2944.242695] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 2944.242697] which requires 64 byte alignment [ 2944.242703] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2944.242707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.242712] 00000000ffffffff 00000000798a420e ffff88009ea87a50 ffffffffb26ec5cc [ 2944.242720] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.242728] ffff880000000010 ffff88009ea87a78 ffff88009ea87a28 ffffffffb363c3e0 [ 2944.242735] Call Trace: [ 2944.242745] [] dump_stack+0xd7/0x132 [ 2944.242752] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.242758] [] ubsan_epilogue+0x12/0x53 [ 2944.242766] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.242773] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.242781] [] shmem_show_options+0xb8/0x450 [ 2944.242789] [] ? shmem_fill_super+0x803/0x803 [ 2944.242796] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2944.242803] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.242811] [] ? security_sb_show_options+0x9d/0xaa [ 2944.242818] [] ? show_sb_opts+0xe8/0xf4 [ 2944.242825] [] show_mountinfo+0x7ed/0x846 [ 2944.242833] [] ? shmem_fill_super+0x803/0x803 [ 2944.242839] [] ? show_type+0x145/0x145 [ 2944.242847] [] m_show+0x75/0x7c [ 2944.242853] [] seq_read+0xcc1/0x11ae [ 2944.242860] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.242868] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.242875] [] __vfs_read+0xc2/0x145 [ 2944.242882] [] vfs_read+0x12a/0x209 [ 2944.242889] [] SyS_read+0xec/0x174 [ 2944.242897] [] ? vfs_copy_file_range+0x485/0x485 [ 2944.242906] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2944.242909] ================================================================================ [ 2944.242996] ================================================================================ [ 2944.243004] UBSAN: Undefined behaviour in fs/proc/inode.c:106:24 [ 2944.243024] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 2944.243030] which requires 64 byte alignment [ 2944.243039] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2944.243044] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.243049] 00000000ffffffff 00000000798a420e ffff88009ea87b00 ffffffffb26ec5cc [ 2944.243064] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.243077] ffff880000000010 ffff88009ea87b28 ffff88009ea87ad8 udevadm settle - ffffffffb363c3e0 [ 2944.243090] Call Trace: [ 2944.243104] [] dump_stack+0xd7/0x132 [ 2944.243116] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.243127] [] ubsan_epilogue+0x12/0x53 [ 2944.243140] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.243152] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.243164] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2944.243177] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.243191] [] ? security_sb_show_options+0x9d/0xaa [ 2944.243205] [] proc_show_options+0x58/0x127 [ 2944.243217] [] show_mountinfo+0x7ed/0x846 [ 2944.243229] [] ? proc_reg_llseek+0x116/0x116 [ 2944.243240] [] ? show_type+0x145/0x145 [ 2944.243247] [] m_show+0x75/0x7c [ 2944.243254] [] seq_read+0xcc1/0x11ae [ 2944.243262] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.243270] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.243277] [] __vfs_read+0xc2/0x145 [ 2944.243285] [] vfs_read+0x12a/0x209 [ 2944.243295] [] SyS_read+0xec/0x174 [ 2944.243307] [] ? vfs_copy_file_range+0x485/0x485 [ 2944.243323] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2944.243328] ================================================================================ [ 2944.243336] ================================================================================ [ 2944.243340] UBSAN: Undefined behaviour in fs/proc_namespace.c:139:11 [ 2944.243344] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 2944.243346] which requires 64 byte alignment [ 2944.243351] CPU: 2 PID: 399 Comm: cdrom_id Tainted: G L 4.8.11 #1 [ 2944.243355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.243358] 00000000ffffffff 00000000798a420e ffff88009ea87b28 ffffffffb26ec5cc [ 2944.243366] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.243374] ffff880000000010 ffff88009ea87b50 ffff88009ea87b00 ffffffffb363c3e0 [ 2944.243381] Call Trace: [ 2944.243388] [] dump_stack+0xd7/0x132 [ 2944.243395] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.243402] [] ubsan_epilogue+0x12/0x53 [ 2944.243409] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.243417] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.243424] [] show_mountinfo+0x28c/0x846 [ 2944.243433] [] ? kernfs_test_super+0x10a/0x10a [ 2944.243440] [] ? show_type+0x145/0x145 [ 2944.243447] [] m_show+0x75/0x7c [ 2944.243453] [] seq_read+0xcc1/0x11ae [ 2944.243461] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.243468] [] ? seq_hlist_start_percpu+0x228/0x228 [ 2944.243475] [] __vfs_read+0xc2/0x145 [ 2944.243482] [] vfs_read+0x12a/0x209 [ 2944.243490] [] SyS_read+0xec/0x174 [ 2944.243497] [] ? vfs_copy_file_range+0x485/0x485 [ 2944.243506] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 2944.243509] ================================================================================ [ 2944.244854] NMI watchdog: BUG: soft lockup - CPU#3 stuck for 49s! [udevd:366] [ 2944.244945] Modules linked in: [ 2944.244957] CPU: 3 PID: 366 Comm: udevd Tainted: G L 4.8.11 #1 [ 2944.244962] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.244967] task: ffff8800a0562c80 task.stack: ffff88009f038000 [ 2944.244971] RIP: 0010:[] [] arch_local_irq_restore+0x6/0xd [ 2944.244989] RSP: 0018:ffff88009f03fd10 EFLAGS: 00000246 [ 2944.244994] RAX: ffffed0013e07fb0 RBX: 0000000000000246 RCX: ffffffffb1e581cf [ 2944.244998] RDX: ffff88009f03fd87 RSI: 0000000000000246 RDI: 0000000000000246 [ 2944.245003] RBP: ffff88009f03fd10 R08: 1ffff10013e07fb0 R09: 0000000000000000 [ 2944.245008] R10: ffff88009f03fcc0 R11: ffffed0017cfac18 R12: ffff88009f03fd80 [ 2944.245013] R13: 1ffff10013e07fac R14: ffffffffb34bf240 R15: 0000000000000000 [ 2944.245019] FS: 00007fc28a7a97a0(0000) GS:ffff8800a3d00000(0000) knlGS:0000000000000000 [ 2944.245024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2944.245028] CR2: 00007fc28a7af000 CR3: 000000009ebd7000 CR4: 00000000000006e0 [ 2944.245088] Stack: [ 2944.245094] ffff88009f03fd28 ffffffffb32af712 ffff88009e5c1dc0 ffff88009f03fd48 [ 2944.245105] ffffffffb1e581df ffff88009e5c1dc0 ffff88005d4222c0 ffff88009f03fde8 [ 2944.245116] ffffffffb1e68a4d ffff88009f03fd80 0000000041b58ab3 ffffffffb3a4967c [ 2944.245125] Call Trace: [ 2944.245139] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 2944.245147] [] task_rq_unlock+0x3d/0x42 [ 2944.245157] [] wake_up_new_task+0x2b7/0x36f [ 2944.245166] [] ? dl_bw_of+0xa7/0xa7 [ 2944.245177] [] ? pid_nr_ns+0x11b/0x128 [ 2944.245187] [] _do_fork+0x33e/0x61e [ 2944.245197] [] ? fork_idle+0x1a2/0x1a2 [ 2944.245208] [] ? SYSC_pipe2+0x12a/0x168 [ 2944.245218] [] ? __do_pipe_flags+0x1c6/0x1c6 [ 2944.245226] [] ? __do_page_fault+0x6d3/0x96b [ 2944.245236] [] SyS_clone+0x43/0x4c [ 2944.245247] [] ? ptregs_sys_rt_sigreturn+0x10/0x10 [ 2944.245257] [] do_syscall_64+0x146/0x189 [ 2944.245267] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 2944.245270] Code: c0 78 0e f0 ff 43 70 e8 5f f8 ff ff ba 01 00 00 00 5b 89 d0 41 5c 5d c3 55 48 89 e5 9c 58 0f 1f 44 00 00 5d c3 55 48 89 e5 57 9d <0f> 1f 44 00 00 5d c3 55 48 89 e5 fa 66 0f 1f 44 00 00 5d c3 55 [ 2944.259091] ================================================================================ [ 2944.259099] UBSAN: Undefined behaviour in lib/rhashtable.c:225:2 [ 2944.259105] member access within misaligned address ffff8800a369aac8 for type 'struct bucket_table' [ 2944.259107] which requires 64 byte alignment [ 2944.259117] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2944.259121] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.259137] Workqueue: events rht_deferred_worker [ 2944.259143] 00000000ffffffff 0000000054e9053f ffff8800a24b7ab0 ffffffffb26ec5cc [ 2944.259154] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.259164] ffff880000000010 ffff8800a24b7ad8 ffff8800a24b7a88 ffffffffb363c3e0 [ 2944.259174] Call Trace: [ 2944.259185] [] dump_stack+0xd7/0x132 [ 2944.259195] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.259205] [] ubsan_epilogue+0x12/0x53 [ 2944.259215] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.259225] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.259237] [] rhashtable_rehash_attach.isra.5+0x84/0x196 [ 2944.259247] [] ? head_hashfn+0x161/0x161 [ 2944.259258] [] ? __asan_storeN+0x12/0x14 [ 2944.259792] [] ? native_load_sp0+0x5d/0x66 [ 2944.259808] [] rht_deferred_worker+0x4f1/0xbe7 [ 2944.259816] [] ? __list_add+0x249/0x249 [ 2944.259827] [] ? bucket_table_alloc+0x544/0x544 [ 2944.259838] [] ? get_work_pwq+0x58/0x58 [ 2944.259849] [] process_one_work+0x54a/0x88e [ 2944.259859] [] ? create_worker+0x528/0x528 [ 2944.259870] [] ? worker_clr_flags+0x187/0x193 [ 2944.259880] [] worker_thread+0x67c/0x857 [ 2944.259889] [] kthread+0x1f7/0x20b [ 2944.259900] [] ? rescuer_thread+0x91f/0x91f [ 2944.259908] [] ? init_completion+0x48/0x48 [ 2944.259921] [] ret_from_fork+0x1f/0x40 [ 2944.259930] [] ? init_completion+0x48/0x48 [ 2944.259934] ================================================================================ [ 2944.259938] ================================================================================ [ 2944.259943] UBSAN: Undefined behaviour in lib/rhashtable.c:238:2 [ 2944.259949] member access within misaligned address ffff8800a369aac8 for type 'struct bucket_table' [ 2944.259951] which requires 64 byte alignment [ 2944.259959] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2944.259963] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.259976] Workqueue: events rht_deferred_worker [ 2944.259980] 00000000ffffffff 0000000054e9053f ffff8800a24b7ab0 ffffffffb26ec5cc [ 2944.259990] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.260001] ffff880000000010 ffff8800a24b7ad8 ffff8800a24b7a88 ffffffffb363c3e0 [ 2944.260010] Call Trace: [ 2944.260020] [] dump_stack+0xd7/0x132 [ 2944.260029] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.260038] [] ubsan_epilogue+0x12/0x53 [ 2944.260047] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.260056] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.260067] [] rhashtable_rehash_attach.isra.5+0x146/0x196 [ 2944.260076] [] ? head_hashfn+0x161/0x161 [ 2944.260085] [] ? __asan_storeN+0x12/0x14 [ 2944.260094] [] ? native_load_sp0+0x5d/0x66 [ 2944.260104] [] rht_deferred_worker+0x4f1/0xbe7 [ 2944.260111] [] ? __list_add+0x249/0x249 [ 2944.260121] [] ? bucket_table_alloc+0x544/0x544 [ 2944.260129] [] ? get_work_pwq+0x58/0x58 [ 2944.260139] [] process_one_work+0x54a/0x88e [ 2944.260149] [] ? create_worker+0x528/0x528 [ 2944.260158] [] ? worker_clr_flags+0x187/0x193 [ 2944.260168] [] worker_thread+0x67c/0x857 [ 2944.260176] [] kthread+0x1f7/0x20b [ 2944.260186] [] ? rescuer_thread+0x91f/0x91f [ 2944.260194] [] ? init_completion+0x48/0x48 [ 2944.260205] [] ret_from_fork+0x1f/0x40 [ 2944.260213] [] ? init_completion+0x48/0x48 [ 2944.260216] ================================================================================ [ 2944.260220] ================================================================================ [ 2944.260225] UBSAN: Undefined behaviour in lib/rhashtable.c:250:12 [ 2944.260230] member access within misaligned address ffff8800a369aac8 for type 'struct bucket_table' [ 2944.260233] which requires 64 byte alignment [ 2944.260241] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2944.260245] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.260256] Workqueue: events rht_deferred_worker [ 2944.260260] 00000000ffffffff 0000000054e9053f ffff8800a24b7b48 ffffffffb26ec5cc [ 2944.260272] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.260283] 0000000000000010 ffff8800a24b7b70 ffff8800a24b7b20 ffffffffb363c3e0 [ 2944.260292] Call Trace: [ 2944.260302] [] dump_stack+0xd7/0x132 [ 2944.260313] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.260322] [] ubsan_epilogue+0x12/0x53 [ 2944.260332] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.260342] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.260352] [] ? __asan_storeN+0x12/0x14 [ 2944.260361] [] ? native_load_sp0+0x5d/0x66 [ 2944.260372] [] rht_deferred_worker+0x557/0xbe7 [ 2944.263814] [] ? __list_add+0x249/0x249 [ 2944.263830] [] ? bucket_table_alloc+0x544/0x544 [ 2944.263841] [] ? get_work_pwq+0x58/0x58 [ 2944.263852] [] process_one_work+0x54a/0x88e [ 2944.263862] [] ? create_worker+0x528/0x528 [ 2944.263872] [] ? worker_clr_flags+0x187/0x193 [ 2944.263883] [] worker_thread+0x67c/0x857 [ 2944.263892] [] kthread+0x1f7/0x20b [ 2944.263902] [] ? rescuer_thread+0x91f/0x91f [ 2944.263911] [] ? init_completion+0x48/0x48 [ 2944.263924] [] ret_from_fork+0x1f/0x40 [ 2944.263932] [] ? init_completion+0x48/0x48 [ 2944.263937] ================================================================================ [ 2944.264053] ================================================================================ [ 2944.264059] UBSAN: Undefined behaviour in lib/rhashtable.c:254:39 [ 2944.264065] member access within misaligned address ffff8800a369aac8 for type 'struct bucket_table' [ 2944.264068] which requires 64 byte alignment [ 2944.264076] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2944.264081] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.264095] Workqueue: events rht_deferred_worker [ 2944.264100] 00000000ffffffff 0000000054e9053f ffff8800a24b7b48 ffffffffb26ec5cc [ 2944.264111] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.264123] ffffffff00000010 ffff8800a24b7b70 ffff8800a24b7b20 ffffffffb363c3e0 [ 2944.264133] Call Trace: [ 2944.264143] [] dump_stack+0xd7/0x132 [ 2944.264153] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.264163] [] ubsan_epilogue+0x12/0x53 [ 2944.264173] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.264183] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.264193] [] ? __asan_storeN+0x12/0x14 [ 2944.264203] [] ? native_load_sp0+0x5d/0x66 [ 2944.264214] [] rht_deferred_worker+0x5c9/0xbe7 [ 2944.264222] [] ? __list_add+0x249/0x249 [ 2944.264233] [] ? bucket_table_alloc+0x544/0x544 [ 2944.264242] [] ? get_work_pwq+0x58/0x58 [ 2944.264253] [] process_one_work+0x54a/0x88e [ 2944.264263] [] ? create_worker+0x528/0x528 [ 2944.264274] [] ? worker_clr_flags+0x187/0x193 [ 2944.264284] [] worker_thread+0x67c/0x857 [ 2944.264293] [] kthread+0x1f7/0x20b [ 2944.264303] [] ? rescuer_thread+0x91f/0x91f [ 2944.264312] [] ? init_completion+0x48/0x48 [ 2944.264324] [] ret_from_fork+0x1f/0x40 [ 2944.264333] [] ? init_completion+0x48/0x48 [ 2944.264336] ================================================================================ [ 2944.264340] ================================================================================ [ 2944.264345] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:321:13 [ 2944.264351] member access within misaligned address ffff8800a369aac8 for type 'const struct bucket_table' [ 2944.264353] which requires 64 byte alignment [ 2944.264361] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2944.264365] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.264376] Workqueue: events rht_deferred_worker [ 2944.264380] 00000000ffffffff 0000000054e9053f ffff8800a24b7b48 ffffffffb26ec5cc [ 2944.264391] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.264402] ffffffff00000010 ffff8800a24b7b70 ffff8800a24b7b20 ffffffffb363c3e0 [ 2944.264413] Call Trace: [ 2944.264422] [] dump_stack+0xd7/0x132 [ 2944.264433] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.264442] [] ubsan_epilogue+0x12/0x53 [ 2944.264452] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.264462] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.264472] [] ? __asan_storeN+0x12/0x14 [ 2944.264481] [] ? native_load_sp0+0x5d/0x66 [ 2944.264492] [] rht_deferred_worker+0x636/0xbe7 [ 2944.264500] [] ? __list_add+0x249/0x249 [ 2944.264511] [] ? bucket_table_alloc+0x544/0x544 [ 2944.264521] [] ? get_work_pwq+0x58/0x58 [ 2944.264531] [] process_one_work+0x54a/0x88e [ 2944.264542] [] ? create_worker+0x528/0x528 [ 2944.264552] [] ? worker_clr_flags+0x187/0x193 [ 2944.264563] [] worker_thread+0x67c/0x857 [ 2944.264571] [] kthread+0x1f7/0x20b [ 2944.264581] [] ? rescuer_thread+0x91f/0x91f [ 2944.264590] [] ? init_completion+0x48/0x48 [ 2944.264602] [] ret_from_fork+0x1f/0x40 [ 2944.264611] [] ? init_completion+0x48/0x48 [ 2944.264614] ================================================================================ [ 2944.264617] ================================================================================ [ 2944.264623] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:321:31 [ 2944.264628] member access within misaligned address ffff8800a369aac8 for type 'const struct bucket_table' [ 2944.264630] which requires 64 byte alignment [ 2944.264638] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2944.264642] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.264653] Workqueue: events rht_deferred_worker [ 2944.264657] 00000000ffffffff 0000000054e9053f ffff8800a24b7b48 ffffffffb26ec5cc [ 2944.264668] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.264679] ffffffff00000010 ffff8800a24b7b70 ffff8800a24b7b20 ffffffffb363c3e0 [ 2944.264689] Call Trace: [ 2944.264699] [] dump_stack+0xd7/0x132 [ 2944.264709] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.264718] [] ubsan_epilogue+0x12/0x53 [ 2944.264728] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.264739] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.264748] [] ? __asan_storeN+0x12/0x14 [ 2944.264757] [] ? native_load_sp0+0x5d/0x66 [ 2944.264768] [] rht_deferred_worker+0x65d/0xbe7 [ 2944.264776] [] ? __list_add+0x249/0x249 [ 2944.264787] [] ? bucket_table_alloc+0x544/0x544 [ 2944.264796] [] ? get_work_pwq+0x58/0x58 [ 2944.264808] [] process_one_work+0x54a/0x88e [ 2944.264818] [] ? create_worker+0x528/0x528 [ 2944.264828] [] ? worker_clr_flags+0x187/0x193 [ 2944.264839] [] worker_thread+0x67c/0x857 [ 2944.264849] [] kthread+0x1f7/0x20b [ 2944.264859] [] ? rescuer_thread+0x91f/0x91f [ 2944.264868] [] ? init_completion+0x48/0x48 [ 2944.264879] [] ret_from_fork+0x1f/0x40 [ 2944.264888] [] ? init_completion+0x48/0x48 [ 2944.264892] ================================================================================ [ 2944.264895] ================================================================================ [ 2944.264900] UBSAN: Undefined behaviour in lib/rhashtable.c:173:2 [ 2944.264905] member access within misaligned address ffff8800a369aac8 for type 'struct bucket_table' [ 2944.264908] which requires 64 byte alignment [ 2944.264915] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2944.264920] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.264930] Workqueue: events rht_deferred_worker [ 2944.264934] 00000000ffffffff 0000000054e9053f ffff8800a24b7b48 ffffffffb26ec5cc [ 2944.264945] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.264955] ffffffff00000010 ffff8800a24b7b70 ffff8800a24b7b20 ffffffffb363c3e0 [ 2944.264964] Call Trace: [ 2944.264973] [] dump_stack+0xd7/0x132 [ 2944.264983] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.264991] [] ubsan_epilogue+0x12/0x53 [ 2944.265000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.265009] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.265018] [] ? __asan_storeN+0x12/0x14 [ 2944.265027] [] ? native_load_sp0+0x5d/0x66 [ 2944.265037] [] rht_deferred_worker+0x787/0xbe7 [ 2944.265047] [] ? bucket_table_alloc+0x544/0x544 [ 2944.265055] [] ? get_work_pwq+0x58/0x58 [ 2944.265065] [] process_one_work+0x54a/0x88e [ 2944.265075] [] ? create_worker+0x528/0x528 [ 2944.265085] [] ? worker_clr_flags+0x187/0x193 [ 2944.265095] [] worker_thread+0x67c/0x857 [ 2944.265103] [] kthread+0x1f7/0x20b [ 2944.265112] [] ? rescuer_thread+0x91f/0x91f [ 2944.265120] [] ? init_completion+0x48/0x48 [ 2944.265131] [] ret_from_fork+0x1f/0x40 [ 2944.265139] [] ? init_completion+0x48/0x48 [ 2944.265143] ================================================================================ [ 2944.265146] ================================================================================ [ 2944.265152] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:249:9 [ 2944.265157] member access within misaligned address ffff8800a2ee0008 for type 'const struct bucket_table' [ 2944.265159] which requires 64 byte alignment [ 2944.265166] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2944.265170] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.265180] Workqueue: events rht_deferred_worker [ 2944.265184] 00000000ffffffff 0000000054e9053f ffff8800a24b7b00 ffffffffb26ec5cc [ 2944.265195] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.265205] ffff880000000010 ffff8800a24b7b28 ffff8800a24b7ad8 ffffffffb363c3e0 [ 2944.265215] Call Trace: [ 2944.265224] [] dump_stack+0xd7/0x132 [ 2944.265233] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.265242] [] ubsan_epilogue+0x12/0x53 [ 2944.265251] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.265261] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.265270] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2944.265281] [] ? netlink_skb_destructor+0x204/0x204 [ 2944.265290] [] head_hashfn+0xa9/0x161 [ 2944.265299] [] ? jhash2+0x28d/0x28d [ 2944.265309] [] rht_deferred_worker+0x84d/0xbe7 [ 2944.265320] [] ? bucket_table_alloc+0x544/0x544 [ 2944.265329] [] ? get_work_pwq+0x58/0x58 [ 2944.265339] [] process_one_work+0x54a/0x88e [ 2944.265349] [] ? create_worker+0x528/0x528 [ 2944.265358] [] ? worker_clr_flags+0x187/0x193 [ 2944.265368] [] worker_thread+0x67c/0x857 [ 2944.265376] [] kthread+0x1f7/0x20b [ 2944.265386] [] ? rescuer_thread+0x91f/0x91f [ 2944.265393] [] ? init_completion+0x48/0x48 [ 2944.265405] [] ret_from_fork+0x1f/0x40 [ 2944.265413] [] ? init_completion+0x48/0x48 [ 2944.265416] ================================================================================ [ 2944.265420] ================================================================================ [ 2944.265425] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:208:49 [ 2944.265430] member access within misaligned address ffff8800a2ee0008 for type 'const struct bucket_table' [ 2944.265432] which requires 64 byte alignment [ 2944.265439] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2944.265443] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.265453] Workqueue: events rht_deferred_worker [ 2944.265457] 00000000ffffffff 0000000054e9053f ffff8800a24b7b00 ffffffffb26ec5cc [ 2944.265468] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.265478] 0000000000000010 ffff8800a24b7b28 ffff8800a24b7ad8 ffffffffb363c3e0 [ 2944.265488] Call Trace: [ 2944.265497] [] dump_stack+0xd7/0x132 [ 2944.265506] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.265515] [] ubsan_epilogue+0x12/0x53 [ 2944.265524] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.265533] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.265543] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 2944.265553] [] ? netlink_skb_destructor+0x204/0x204 [ 2944.265562] [] head_hashfn+0x118/0x161 [ 2944.265570] [] ? jhash2+0x28d/0x28d [ 2944.265580] [] rht_deferred_worker+0x84d/0xbe7 [ 2944.265591] [] ? bucket_table_alloc+0x544/0x544 [ 2944.265599] [] ? get_work_pwq+0x58/0x58 [ 2944.265609] [] process_one_work+0x54a/0x88e [ 2944.265619] [] ? create_worker+0x528/0x528 [ 2944.265628] [] ? worker_clr_flags+0x187/0x193 [ 2944.265638] [] worker_thread+0x67c/0x857 [ 2944.265646] [] kthread+0x1f7/0x20b [ 2944.265655] [] ? rescuer_thread+0x91f/0x91f [ 2944.265663] [] ? init_completion+0x48/0x48 [ 2944.265674] [] ret_from_fork+0x1f/0x40 [ 2944.265683] [] ? init_completion+0x48/0x48 [ 2944.265686] ================================================================================ [ 2944.265689] ================================================================================ [ 2944.265694] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:321:13 [ 2944.265699] member access within misaligned address ffff8800a2ee0008 for type 'const struct bucket_table' [ 2944.265701] which requires 64 byte alignment [ 2944.265708] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2944.265712] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.265723] Workqueue: events rht_deferred_worker [ 2944.265727] 00000000ffffffff 0000000054e9053f ffff8800a24b7b48 ffffffffb26ec5cc [ 2944.265737] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.265748] 0000000000000010 ffff8800a24b7b70 ffff8800a24b7b20 ffffffffb363c3e0 [ 2944.265757] Call Trace: [ 2944.265766] [] dump_stack+0xd7/0x132 [ 2944.265776] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.265785] [] ubsan_epilogue+0x12/0x53 [ 2944.271936] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.271954] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.271961] [] ? head_hashfn+0x151/0x161 [ 2944.271968] [] ? jhash2+0x28d/0x28d [ 2944.271975] [] rht_deferred_worker+0x86c/0xbe7 [ 2944.271983] [] ? bucket_table_alloc+0x544/0x544 [ 2944.271990] [] ? get_work_pwq+0x58/0x58 [ 2944.271997] [] process_one_work+0x54a/0x88e [ 2944.272008] [] ? create_worker+0x528/0x528 [ 2944.272025] [] ? worker_clr_flags+0x187/0x193 [ 2944.272065] [] worker_thread+0x67c/0x857 [ 2944.272091] [] kthread+0x1f7/0x20b [ 2944.272114] [] ? rescuer_thread+0x91f/0x91f [ 2944.272125] [] ? init_completion+0x48/0x48 [ 2944.272138] [] ret_from_fork+0x1f/0x40 [ 2944.272169] [] ? init_completion+0x48/0x48 [ 2944.272188] ================================================================================ [ 2944.272344] ================================================================================ [ 2944.272351] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:321:31 [ 2944.272359] member access within misaligned address ffff8800a2ee0008 for type 'const struct bucket_table' [ 2944.272362] which requires 64 byte alignment [ 2944.272372] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2944.272377] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.272395] Workqueue: events rht_deferred_worker [ 2944.272400] 00000000ffffffff 0000000054e9053f ffff8800a24b7b48 ffffffffb26ec5cc [ 2944.272414] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.272427] ffffffff00000010 ffff8800a24b7b70 ffff8800a24b7b20 ffffffffb363c3e0 [ 2944.273672] Call Trace: [ 2944.273685] [] dump_stack+0xd7/0x132 [ 2944.273692] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.273699] [] ubsan_epilogue+0x12/0x53 [ 2944.273706] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.273713] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.273719] [] ? head_hashfn+0x151/0x161 [ 2944.273725] [] ? jhash2+0x28d/0x28d [ 2944.273732] [] rht_deferred_worker+0x892/0xbe7 [ 2944.273740] [] ? bucket_table_alloc+0x544/0x544 [ 2944.273747] [] ? get_work_pwq+0x58/0x58 [ 2944.273754] [] process_one_work+0x54a/0x88e [ 2944.273761] [] ? create_worker+0x528/0x528 [ 2944.273767] [] ? worker_clr_flags+0x187/0x193 [ 2944.273774] [] worker_thread+0x67c/0x857 [ 2944.273780] [] kthread+0x1f7/0x20b [ 2944.273787] [] ? rescuer_thread+0x91f/0x91f [ 2944.273792] [] ? init_completion+0x48/0x48 [ 2944.273801] [] ret_from_fork+0x1f/0x40 [ 2944.273807] [] ? init_completion+0x48/0x48 [ 2944.273810] ================================================================================ [ 2944.273986] ================================================================================ [ 2944.273991] UBSAN: Undefined behaviour in lib/rhashtable.c:191:9 [ 2944.273996] member access within misaligned address ffff8800a2ee0008 for type 'struct bucket_table' [ 2944.273998] which requires 64 byte alignment [ 2944.274004] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2944.274007] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.274018] Workqueue: events rht_deferred_worker [ 2944.274021] 00000000ffffffff 0000000054e9053f ffff8800a24b7b48 ffffffffb26ec5cc [ 2944.274029] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.274036] ffffffff00000010 ffff8800a24b7b70 ffff8800a24b7b20 ffffffffb363c3e0 [ 2944.274043] Call Trace: [ 2944.274050] [] dump_stack+0xd7/0x132 [ 2944.274057] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.274063] [] ubsan_epilogue+0x12/0x53 [ 2944.274069] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.274076] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.274083] [] ? rht_deferred_worker+0x89b/0xbe7 [ 2944.274090] [] rht_deferred_worker+0x8d1/0xbe7 [ 2944.274097] [] ? bucket_table_alloc+0x544/0x544 [ 2944.274103] [] ? get_work_pwq+0x58/0x58 [ 2944.274110] [] process_one_work+0x54a/0x88e [ 2944.274117] [] ? create_worker+0x528/0x528 [ 2944.274124] [] ? worker_clr_flags+0x187/0x193 [ 2944.274130] [] worker_thread+0x67c/0x857 [ 2944.274136] [] kthread+0x1f7/0x20b [ 2944.274143] [] ? rescuer_thread+0x91f/0x91f [ 2944.274148] [] ? init_completion+0x48/0x48 [ 2944.274156] [] ret_from_fork+0x1f/0x40 [ 2944.274162] [] ? init_completion+0x48/0x48 [ 2944.274164] ================================================================================ [ 2944.274169] ================================================================================ [ 2944.274173] UBSAN: Undefined behaviour in lib/rhashtable.c:216:9 [ 2944.274176] member access within misaligned address ffff8800a369aac8 for type 'struct bucket_table' [ 2944.274178] which requires 64 byte alignment [ 2944.274183] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2944.274186] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.274193] Workqueue: events rht_deferred_worker [ 2944.274195] 00000000ffffffff 0000000054e9053f ffff8800a24b7b48 ffffffffb26ec5cc [ 2944.274203] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.274210] ffff880000000010 ffff8800a24b7b70 ffff8800a24b7b20 ffffffffb363c3e0 [ 2944.274217] Call Trace: [ 2944.274223] [] dump_stack+0xd7/0x132 [ 2944.274229] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.274235] [] ubsan_epilogue+0x12/0x53 [ 2944.274242] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.274249] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.274256] [] rht_deferred_worker+0xb90/0xbe7 [ 2944.274263] [] ? bucket_table_alloc+0x544/0x544 [ 2944.274269] [] ? get_work_pwq+0x58/0x58 [ 2944.274276] [] process_one_work+0x54a/0x88e [ 2944.274283] [] ? create_worker+0x528/0x528 [ 2944.274289] [] ? worker_clr_flags+0x187/0x193 [ 2944.274296] [] worker_thread+0x67c/0x857 [ 2944.274302] [] kthread+0x1f7/0x20b [ 2944.274308] [] ? rescuer_thread+0x91f/0x91f [ 2944.274314] [] ? init_completion+0x48/0x48 [ 2944.274322] [] ret_from_fork+0x1f/0x40 [ 2944.274327] [] ? init_completion+0x48/0x48 [ 2944.274330] ================================================================================ [ 2944.274332] ================================================================================ [ 2944.274335] UBSAN: Undefined behaviour in lib/rhashtable.c:216:17 [ 2944.274339] member access within misaligned address ffff8800a369aac8 for type 'struct bucket_table' [ 2944.274341] which requires 64 byte alignment [ 2944.274346] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2944.274349] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.274355] Workqueue: events rht_deferred_worker [ 2944.274358] 00000000ffffffff 0000000054e9053f ffff8800a24b7b48 ffffffffb26ec5cc [ 2944.274366] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.274373] ffff880000000010 ffff8800a24b7b70 ffff8800a24b7b20 ffffffffb363c3e0 [ 2944.274380] Call Trace: [ 2944.274386] [] dump_stack+0xd7/0x132 [ 2944.274392] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.274398] [] ubsan_epilogue+0x12/0x53 [ 2944.274405] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.274412] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.274419] [] rht_deferred_worker+0xbba/0xbe7 [ 2944.274427] [] ? bucket_table_alloc+0x544/0x544 [ 2944.274432] [] ? get_work_pwq+0x58/0x58 [ 2944.274440] [] process_one_work+0x54a/0x88e [ 2944.274446] [] ? create_worker+0x528/0x528 [ 2944.274453] [] ? worker_clr_flags+0x187/0x193 [ 2944.274460] [] worker_thread+0x67c/0x857 [ 2944.274466] [] kthread+0x1f7/0x20b [ 2944.274472] [] ? rescuer_thread+0x91f/0x91f [ 2944.274478] [] ? init_completion+0x48/0x48 [ 2944.274486] [] ret_from_fork+0x1f/0x40 [ 2944.274491] [] ? init_completion+0x48/0x48 [ 2944.274494] ================================================================================ [ 2944.274560] ================================================================================ [ 2944.274565] UBSAN: Undefined behaviour in lib/rhashtable.c:261:2 [ 2944.274571] member access within misaligned address ffff8800a369aac8 for type 'struct bucket_table' [ 2944.274574] which requires 64 byte alignment [ 2944.274582] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2944.274588] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.274603] Workqueue: events rht_deferred_worker [ 2944.274608] 00000000ffffffff 0000000054e9053f ffff8800a24b7b48 ffffffffb26ec5cc [ 2944.274623] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.274636] ffff880000000010 ffff8800a24b7b70 ffff8800a24b7b20 ffffffffb363c3e0 [ 2944.274649] Call Trace: [ 2944.274662] [] dump_stack+0xd7/0x132 [ 2944.274675] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.274687] [] ubsan_epilogue+0x12/0x53 [ 2944.274700] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.274714] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.274729] [] rht_deferred_worker+0xa2a/0xbe7 [ 2944.274744] [] ? bucket_table_alloc+0x544/0x544 [ 2944.274756] [] ? get_work_pwq+0x58/0x58 [ 2944.274770] [] process_one_work+0x54a/0x88e [ 2944.274783] [] ? create_worker+0x528/0x528 [ 2944.274797] [] ? worker_clr_flags+0x187/0x193 [ 2944.274810] [] worker_thread+0x67c/0x857 [ 2944.274822] [] kthread+0x1f7/0x20b [ 2944.274835] [] ? rescuer_thread+0x91f/0x91f [ 2944.274846] [] ? init_completion+0x48/0x48 [ 2944.274862] [] ret_from_fork+0x1f/0x40 [ 2944.274874] [] ? init_completion+0x48/0x48 [ 2944.274878] ================================================================================ [ 2944.274884] ================================================================================ [ 2944.274890] UBSAN: Undefined behaviour in lib/rhashtable.c:271:9 [ 2944.274897] member access within misaligned address ffff8800a2ee0008 for type 'struct bucket_table' [ 2944.274900] which requires 64 byte alignment [ 2944.274910] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2944.274916] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.274926] Workqueue: events rht_deferred_worker [ 2944.274929] 00000000ffffffff 0000000054e9053f ffff8800a24b7b48 ffffffffb26ec5cc [ 2944.274938] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.274946] ffff880000000010 ffff8800a24b7b70 ffff8800a24b7b20 ffffffffb363c3e0 [ 2944.274953] Call Trace: [ 2944.274960] [] dump_stack+0xd7/0x132 [ 2944.274967] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.274974] [] ubsan_epilogue+0x12/0x53 [ 2944.274981] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.274988] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.274998] [] rht_deferred_worker+0xaf4/0xbe7 [ 2944.275012] [] ? bucket_table_alloc+0x544/0x544 [ 2944.275024] [] ? get_work_pwq+0x58/0x58 [ 2944.275039] [] process_one_work+0x54a/0x88e [ 2944.275052] [] ? create_worker+0x528/0x528 [ 2944.275065] [] ? worker_clr_flags+0x187/0x193 [ 2944.275079] [] worker_thread+0x67c/0x857 [ 2944.275090] [] kthread+0x1f7/0x20b [ 2944.275104] [] ? rescuer_thread+0x91f/0x91f [ 2944.275115] [] ? init_completion+0x48/0x48 [ 2944.275130] [] ret_from_fork+0x1f/0x40 [ 2944.275142] [] ? init_completion+0x48/0x48 [ 2944.275147] ================================================================================ [ 2944.275237] ================================================================================ [ 2944.275245] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:277:40 [ 2944.275250] member access within misaligned address ffff8800a2ee0008 for type 'const struct bucket_table' [ 2944.275252] which requires 64 byte alignment [ 2944.275261] CPU: 3 PID: 53 Comm: kworker/3:1 Tainted: G L 4.8.11 #1 [ 2944.275267] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2944.275282] Workqueue: events rht_deferred_worker [ 2944.275287] 00000000ffffffff 0000000054e9053f ffff8800a24b7b48 ffffffffb26ec5cc [ 2944.275302] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 2944.275313] ffffffff00000010 ffff8800a24b7b70 ffff8800a24b7b20 ffffffffb363c3e0 [ 2944.275320] Call Trace: [ 2944.275327] [] dump_stack+0xd7/0x132 [ 2944.275335] [] ? arch_local_irq_restore+0x1b/0x1b [ 2944.275341] [] ubsan_epilogue+0x12/0x53 [ 2944.275348] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 2944.275356] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 2944.275364] [] rht_deferred_worker+0x330/0xbe7 [ 2944.275370] [] ? __list_add+0x249/0x249 [ 2944.275378] [] ? bucket_table_alloc+0x544/0x544 [ 2944.275384] [] ? get_work_pwq+0x58/0x58 [ 2944.275392] [] process_one_work+0x54a/0x88e [ 2944.275401] [] ? create_worker+0x528/0x528 [ 2944.275413] [] ? worker_clr_flags+0x187/0x193 [ 2944.275427] [] worker_thread+0x67c/0x857 [ 2944.275439] [] kthread+0x1f7/0x20b [ 2944.275452] [] ? rescuer_thread+0x91f/0x91f [ 2944.275464] [] ? init_completion+0x48/0x48 [ 2944.275479] [] ret_from_fork+0x1f/0x40 [ 2944.275491] [] ? init_completion+0x48/0x48 [ 2944.275495] ================================================================================ [ 2966.802056] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 21s! [rcu_sched:8] [ 2966.802059] Modules linked in: [ 2966.802067] CPU: 1 PID: 8 Comm: rcu_sched Tainted: G L 4.8.11 #1 [ 2966.802070] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2966.802074] task: ffff88005c9ebb40 task.stack: ffff88005ca68000 [ 2966.802077] RIP: 0010:[] [] get_timer_cpu_base+0xf/0x151 [ 2966.802090] RSP: 0018:ffff88005ca6fa50 EFLAGS: 00000246 [ 2966.802094] RAX: 08c00000b1f06440 RBX: ffff88005ca6fb90 RCX: ffffffffb1f061b6 [ 2966.802097] RDX: 000000007a53c047 RSI: 0000000000000000 RDI: 0000000008c00000 [ 2966.802100] RBP: ffff88005ca6fa70 R08: 1ffff1000b94df5d R09: 0000000000000001 [ 2966.802104] R10: ffff88005d51f9cb R11: ffffed000baa3f39 R12: 0000000000000000 [ 2966.802107] R13: ffff88005ca6fae8 R14: 0000000008c00000 R15: ffffffffb4436318 [ 2966.802112] FS: 0000000000000000(0000) GS:ffff88005d500000(0000) knlGS:0000000000000000 [ 2966.802154] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2966.802161] CR2: 0000000001070490 CR3: 000000009e0c2000 CR4: 00000000000006e0 [ 2966.802267] Stack: [ 2966.802274] ffff88005ca6fbb8 ffff88005ca6fae8 0000000008c00000 ffffffffb4436318 [ 2966.802286] ffff88005ca6fab0 ffffffffb1f061db 0000000000000000 ffff88005ca6fb90 [ 2966.802297] 1ffff1000b94df6e 1ffff1000b94df59 ffff88005ca6fe38 ffffffffb4436318 [ 2966.802306] Call Trace: [ 2966.802321] [] lock_timer_base+0x69/0x103 [ 2966.802331] [] try_to_del_timer_sync+0x6f/0x126 [ 2966.802339] [] ? del_timer+0x137/0x137 [ 2966.802360] [] del_timer_sync+0x71/0x8d [ 2966.802372] [] schedule_timeout+0x196/0x203 [ 2966.802382] [] ? usleep_range+0xfe/0xfe [ 2966.802392] [] ? __prepare_to_swait+0xac/0xac [ 2966.802400] [] ? calc_wheel_index+0x144/0x144 [ 2966.802410] [] ? prepare_to_swait_event+0xd3/0xe1 [ 2966.802421] [] rcu_gp_kthread+0x59f/0xf5f [ 2966.802431] [] ? rcu_gp_kthread+0x59f/0xf5f [ 2966.802438] [] ? force_qs_rnp+0x3a3/0x3a3 [ 2966.802445] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 2966.802451] [] ? balance_callback+0x3a/0x137 [ 2966.802458] [] ? __schedule+0x123d/0x126c [ 2966.802465] [] ? cpu_cgroup_can_attach+0x114/0x14d [ 2966.802471] [] ? __wake_up_common+0xe0/0x14f [ 2966.802477] [] kthread+0x1f7/0x20b [ 2966.802484] [] ? force_qs_rnp+0x3a3/0x3a3 [ 2966.802490] [] ? init_completion+0x48/0x48 [ 2966.802498] [] ret_from_fork+0x1f/0x40 [ 2966.802562] [] ? init_completion+0x48/0x48 [ 2966.802565] Code: 85 46 ff ff ff e8 98 91 09 00 48 83 c4 20 4c 89 f0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 55 48 89 e5 41 57 41 56 41 55 41 54 41 89 f4 <53> 48 c7 c3 80 8d 01 00 48 83 ec 10 89 7d d4 e8 63 91 09 00 49 [ 2994.804252] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [rcu_sched:8] [ 2994.804254] Modules linked in: [ 2994.804261] CPU: 1 PID: 8 Comm: rcu_sched Tainted: G L 4.8.11 #1 [ 2994.804265] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 2994.804269] task: ffff88005c9ebb40 task.stack: ffff88005ca68000 [ 2994.804272] RIP: 0010:[] [] try_to_del_timer_sync+0x42/0x126 [ 2994.804284] RSP: 0018:ffff88005ca6fac0 EFLAGS: 00000286 [ 2994.804288] RAX: ffffed000b94df59 RBX: ffff88005ca6fb90 RCX: 0000000000000000 [ 2994.804291] RDX: 000000007a53c047 RSI: ffff88005c9ec4e8 RDI: ffff88005ca6fb90 [ 2994.804295] RBP: ffff88005ca6fb40 R08: 1ffff1000b94df5d R09: 0000000000000001 [ 2994.804298] R10: ffff88005d51f9cb R11: ffffed000baa3f39 R12: 1ffff1000b94df6e [ 2994.804302] R13: 1ffff1000b94df59 R14: ffff88005ca6fe38 R15: ffffffffb4436318 [ 2994.804306] FS: 0000000000000000(0000) GS:ffff88005d500000(0000) knlGS:0000000000000000 [ 2994.804310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2994.804313] CR2: 0000000001070490 CR3: 000000009e0c2000 CR4: 00000000000006e0 [ 2994.804360] Stack: [ 2994.804366] ffffffff0b94df6e 0000000041b58ab3 ffffffffb3a46a8f ffffffffb1f063ac [ 2994.804392] ffff88005d51f9cb 0000000000000246 1ffff1000b94df5d ffff88005c9ec4e8 [ 2994.804399] 0000000000000000 000000007a53c047 ffff88005c9ec4e8 000000007a53c047 [ 2994.804466] Call Trace: [ 2994.804482] [] ? del_timer+0x137/0x137 [ 2994.804493] [] del_timer_sync+0x71/0x8d [ 2994.804507] [] schedule_timeout+0x196/0x203 [ 2994.804519] [] ? usleep_range+0xfe/0xfe [ 2994.804530] [] ? __prepare_to_swait+0xac/0xac [ 2994.804540] [] ? calc_wheel_index+0x144/0x144 [ 2994.804553] [] ? prepare_to_swait_event+0xd3/0xe1 [ 2994.804565] [] rcu_gp_kthread+0x59f/0xf5f [ 2994.804577] [] ? rcu_gp_kthread+0x59f/0xf5f [ 2994.804590] [] ? force_qs_rnp+0x3a3/0x3a3 [ 2994.804602] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 2994.804613] [] ? balance_callback+0x3a/0x137 [ 2994.804624] [] ? __schedule+0x123d/0x126c [ 2994.804637] [] ? cpu_cgroup_can_attach+0x114/0x14d [ 2994.804648] [] ? __wake_up_common+0xe0/0x14f [ 2994.804659] [] kthread+0x1f7/0x20b [ 2994.804682] [] ? force_qs_rnp+0x3a3/0x3a3 [ 2994.804693] [] ? init_completion+0x48/0x48 [ 2994.804708] [] ret_from_fork+0x1f/0x40 [ 2994.804719] [] ? init_completion+0x48/0x48 [ 2994.804721] Code: 4c 8d 6d 88 53 48 89 fb 49 c1 ed 03 48 83 ec 68 48 c7 45 88 b3 8a b5 41 4c 01 e8 48 c7 45 90 8f 6a a4 b3 48 c7 45 98 ac 63 f0 b1 00 f1 f1 f1 f1 c7 40 04 00 f4 f4 f4 65 48 8b 04 25 28 00 00 [ 3008.555732] ================================================================================ [ 3008.555739] UBSAN: Undefined behaviour in ./include/linux/cleancache.h:53:28 [ 3008.555744] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 3008.555745] which requires 64 byte alignment [ 3008.555752] CPU: 3 PID: 430 Comm: blkid Tainted: G L 4.8.11 #1 [ 3008.555756] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3008.555761] 00000000ffffffff 000000004595b375 ffff8800a055f558 ffffffffb26ec5cc [ 3008.555769] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3008.555778] ffff880000000010 ffff8800a055f580 ffff8800a055f530 ffffffffb363c3e0 [ 3008.555785] Call Trace: [ 3008.555796] [] dump_stack+0xd7/0x132 [ 3008.555805] [] ? arch_local_irq_restore+0x1b/0x1b [ 3008.555814] [] ubsan_epilogue+0x12/0x53 [ 3008.555822] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3008.555831] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3008.555839] [] ? mem_cgroup_uncharge_swap+0x6c/0x6c [ 3008.555848] [] do_mpage_readpage+0xe45/0x1290 [ 3008.555855] [] ? init_once+0x197/0x197 [ 3008.555863] [] ? mpage_alloc+0x139/0x139 [ 3008.555872] [] ? add_to_page_cache_lru+0x12a/0x160 [ 3008.555880] [] ? add_to_page_cache_locked+0x3a/0x3a [ 3008.555888] [] ? gfp_pfmemalloc_allowed+0xf3/0xf3 [ 3008.555896] [] mpage_readpages+0x216/0x327 [ 3008.555902] [] ? init_once+0x197/0x197 [ 3008.555908] [] ? init_once+0x197/0x197 [ 3008.555915] [] ? do_mpage_readpage+0x1290/0x1290 [ 3008.555924] [] ? blk_start_plug+0x1d1/0x206 [ 3008.555930] [] ? blk_lld_busy+0x7d/0x7d [ 3008.555937] [] blkdev_readpages+0x31/0x38 [ 3008.555943] [] ? blkdev_write_begin+0x4c/0x4c [ 3008.555951] [] __do_page_cache_readahead+0x39b/0x51f [ 3008.555958] [] ? read_cache_pages+0x234/0x234 [ 3008.555967] [] ? radix_tree_lookup_slot+0x8a/0xbc [ 3008.555975] [] force_page_cache_readahead+0x15c/0x18e [ 3008.555983] [] ? force_page_cache_readahead+0x15c/0x18e [ 3008.555991] [] page_cache_sync_readahead+0x9a/0xc7 [ 3008.555998] [] generic_file_read_iter+0x7f2/0x11f6 [ 3008.556005] [] ? __blkdev_driver_ioctl+0x100/0x10f [ 3008.556013] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3008.556021] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3008.556028] [] blkdev_read_iter+0x167/0x180 [ 3008.556035] [] ? new_sync_read+0x15c/0x20a [ 3008.556042] [] new_sync_read+0x16b/0x20a [ 3008.556050] [] ? new_sync_read.part.8+0x1c/0x1c [ 3008.556058] [] ? __fsnotify_parent+0x229/0x238 [ 3008.556065] [] __vfs_read+0x12c/0x145 [ 3008.556073] [] vfs_read+0x12a/0x209 [ 3008.556080] [] SyS_read+0xec/0x174 [ 3008.556088] [] ? vfs_copy_file_range+0x485/0x485 [ 3008.556095] [] ? SYSC_lseek+0x75/0x86 [ 3008.556104] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3008.556107] ================================================================================ [ 3022.801993] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [rcu_sched:8] [ 3022.801995] Modules linked in: [ 3022.802003] CPU: 1 PID: 8 Comm: rcu_sched Tainted: G L 4.8.11 #1 [ 3022.802007] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3022.802011] task: ffff88005c9ebb40 task.stack: ffff88005ca68000 [ 3022.802013] RIP: 0010:[] [] arch_local_irq_restore+0x6/0xd [ 3022.802027] RSP: 0018:ffff88005ca6fa98 EFLAGS: 00000246 [ 3022.802031] RAX: ffff88005d418d80 RBX: 0000000000000246 RCX: ffffffffb1f06440 [ 3022.802034] RDX: 000000007a53c047 RSI: 0000000000000246 RDI: 0000000000000246 [ 3022.802037] RBP: ffff88005ca6fa98 R08: 1ffff1000b94df5d R09: 0000000000000001 [ 3022.802041] R10: ffff88005d51f9cb R11: ffffed000baa3f39 R12: ffff88005d418d80 [ 3022.802044] R13: 1ffff1000b94df59 R14: ffff88005ca6fe38 R15: ffffffffb4436318 [ 3022.802049] FS: 0000000000000000(0000) GS:ffff88005d500000(0000) knlGS:0000000000000000 [ 3022.802052] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3022.802056] CR2: 0000000001070490 CR3: 000000009e0c2000 CR4: 00000000000006e0 [ 3022.802098] Stack: [ 3022.802103] ffff88005ca6fab0 ffffffffb32af712 ffff88005ca6fb90 ffff88005ca6fb40 [ 3022.802111] ffffffffb1f0649d ffffffff0b94df6e 0000000041b58ab3 ffffffffb3a46a8f [ 3022.802119] ffffffffb1f063ac ffff88005d51f9cb 0000000000000246 1ffff1000b94df5d [ 3022.802125] Call Trace: [ 3022.802137] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 3022.802144] [] try_to_del_timer_sync+0xf1/0x126 [ 3022.802150] [] ? del_timer+0x137/0x137 [ 3022.802156] [] del_timer_sync+0x71/0x8d [ 3022.802163] [] schedule_timeout+0x196/0x203 [ 3022.802169] [] ? usleep_range+0xfe/0xfe [ 3022.802176] [] ? __prepare_to_swait+0xac/0xac [ 3022.802182] [] ? calc_wheel_index+0x144/0x144 [ 3022.802189] [] ? prepare_to_swait_event+0xd3/0xe1 [ 3022.802196] [] rcu_gp_kthread+0x59f/0xf5f [ 3022.802203] [] ? rcu_gp_kthread+0x59f/0xf5f [ 3022.802210] [] ? force_qs_rnp+0x3a3/0x3a3 [ 3022.802217] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 3022.802223] [] ? balance_callback+0x3a/0x137 [ 3022.802229] [] ? __schedule+0x123d/0x126c [ 3022.802236] [] ? cpu_cgroup_can_attach+0x114/0x14d [ 3022.802242] [] ? __wake_up_common+0xe0/0x14f [ 3022.802249] [] kthread+0x1f7/0x20b [ 3022.802255] [] ? force_qs_rnp+0x3a3/0x3a3 [ 3022.802261] [] ? init_completion+0x48/0x48 [ 3022.802269] [] ret_from_fork+0x1f/0x40 [ 3022.802275] [] ? init_completion+0x48/0x48 [ 3022.802276] Code: c0 78 0e f0 ff 43 70 e8 5f f8 ff ff ba 01 00 00 00 5b 89 d0 41 5c 5d c3 55 48 89 e5 9c 58 0f 1f 44 00 00 5d c3 55 48 89 e5 57 9d <0f> 1f 44 00 00 5d c3 55 48 89 e5 fa 66 0f 1f 44 00 00 5d c3 55 [ 3026.490603] timeout of 120 seconds reached, the event queue contains: /sys/devices/pci0000:00/0000:00:01.1/ata1/host0/target0:0:0/0:0:0:0/block/sda (1098) /sys/devices/pci0000:00/0000:00:01.1/ata2/host1/target1:0:0/1:0:0:0/block/sr0 (1111) /sys/devices/pci0000:00/0000:00:04.0 (1130) /sys/devices/pci0000:00/0000:00:05.0 (1131) /sys/devices/pci0000:00/0000:00:06.0 (1132) /sys/devices/pci0000:00/QEMU0002:00 (1133) /sys/devices/platform/Fixed MDIO bus.0 (1135) /sys/devices/platform/Fixed MDIO bus.0/mdio_bus/fixed-0 (1136) /sys/devices/virtual/block/loop0 (1237) /sys/devices/virtual/block/loop1 (1238) /sys/devices/virtual/block/loop2 (1239) /sys/devices/virtual/block/loop3 (1240) /sys/devices/virtual/block/loop4 (1241) /sys/devices/virtual/block/loop5 (1242) /sys/devices/virtual/block/loop6 (1243) /sys/devices/virtual/block/loop7 (1244) /sys/devices/virtual/block/ram0 (1245) /sys/devices/virtual/block/ram1 (1[ 3026.490605] (detected by 0, t=20499 jiffies, g=297, c=296, q=2618) 246) /sys/devices/virtual/block/ram10 (1247) /sys/devices/virtual/block/ra[ 3026.490623] All QSes seen, last rcu_sched kthread activity 13038 (4295502031-4295488993), jiffies_till_next_fqs=1, root ->qsmask 0x0 m11 (1248) /sys/devices/virtual/block/ram12 (1249) /sys/devices/virtual/block/ram13 (1250) /sys/devices/virtual/block/ram14 (1251) /sys/devices/virtual/block/ram15 (1252) /sys/devices/virtual/block/ram2 (1253) /sys/devices/virtual/block/ram3 (1254) /sys/devices/virtual/block/ram4 (1255) /sys/devices/virtual/block/ram5 (1256) /sys/devices/virtual/block/ram6 (1257) /sys/devices/virtual/block/ram7 (1258) /sys/devices/virtual/block/ram8 (1259) /sys/devices/virtual/block/ram9 (1260) /sys/devices/virtual/dmi/id (1261) /sys/devices/virtual/net/lo (1291) /sys/devices/virtual/tty/tty18 (1310) /sys/devices/virtual/tty/tty29 (1322) /sys/devices/virtual/tty/tty3 (1323) /sys/devices/virtual/tty/tty37 (1331) /sys/devices/virtual/tty/tty38 (1332) /sys/devices/virtual/tty/tty39 (1333) /sys/devices/virtual/tty/ttyprintk (1364) /sys/devices/virtual/vc/vcs (1365) /sys/devices/virtual/vc/vcs1 (1366) /sys/devices/virtual/vc/vcsa (1367) [?25l[?1c7[ 3026.490627] udevd R running task 0 380 278 0x00000008 [ 3026.490641] 0000000000000116 000000006dcabedb ffff88005d4076f8 ffffffffb1e6d847 [ 3026.490655] 0000000041b58ab3 ffffffffb3a291c0 ffffffffb1e6d5aa ffff88005d4076b8 [ 3026.490667] ffff88005d4076c0[ ok  0000000000000100 0000000000000004 ffffffffb77d0b60 [ 3026.490678] Call Trace: [ 3026.490681] [] sched_show_task+0x29d/0x2d3 [ 3026.490716] [] ? SyS_sched_rr_get_interval+0x23a/0x23a [ 3026.490730] [] print_other_cpu_stall+0x81b/0x882 [ 3026.490743] [] ? print_cpu_stall_info+0x578/0x578 [ 3026.490756] [] ? update_vsyscall+0x555/0x595 [ 3026.490769] [] check_cpu_stall+0x765/0x7a4 [ 3026.490782] [] ? rcu_process_callbacks+0x12b0/0x12b0 [ 3026.490796] [] ? div_u64_rem+0x82/0x93 [ 3026.490809] [] rcu_check_callbacks+0x20f/0x7b8 [ 3026.490821] [] ? rcu_cpu_stall_reset+0x153/0x153 [ 3026.490835] [] update_process_times+0x35/0x64 [ 3026.490847] [] tick_sched_handle+0x114/0x125 [ 3026.490857] [] tick_sched_timer+0x43/0xab [ 3026.490869] [] __hrtimer_run_queues+0x433/0x7b1 [ 3026.490880] [] ? tick_sched_do_timer+0x5f/0x5f [ 3026.490892] [] ? hrtimer_cancel+0x37/0x37 [ 3026.490904] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 3026.490917] [] hrtimer_interrupt+0x179/0x41c [ 3026.490933] [] local_apic_timer_interrupt+0xe4/0xeb [ 3026.490945] [] smp_apic_timer_interrupt+0x2e/0x3e 8[ 3026.490956] [] apic_timer_interrupt+0x82/0x90 [ 3026.490969] [] ? ttwu_do_wakeup+0x12f/0x306 [ 3026.490983] [] ? arch_local_irq_restore+0x6/0xd [ 3026.490997] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 3026.491009] [] try_to_wake_up+0x601/0x65a [ 3026.491022] [] ? cpus_share_cache+0x125/0x125 [ 3026.491036] [] ? nohz_balance_exit_idle+0xc1/0x14a [ 3026.491046] [] ? calc_wheel_index+0x144/0x144 [ 3026.491058] [] wake_up_process+0x15/0x17 [ 3026.491068] [] process_timeout+0x1c/0x1e [ 3026.491078] [] call_timer_fn+0x7b/0x254 [ 3026.491089] [] ? calc_wheel_index+0x144/0x144 [ 3026.491099] [] __run_timers+0x6d2/0x76b [ 3026.491111] [] ? internal_add_timer+0x8f/0x8f [ 3026.491126] [] ? timekeeping_delta_to_ns+0x97/0xa6 [ 3026.491138] [] ? paravirt_write_msr+0xf/0x13 [ 3026.491152] [] ? native_apic_msr_write+0x29/0x2b [ 3026.491165] [] ? apic_write+0x53/0x5a [ 3026.491176] [] run_timer_softirq+0x26/0x8f [ 3026.491187] [] __do_softirq+0x211/0x59e [ 3026.491199] [] irq_exit+0x65/0xd6 [ 3026.491210] [] smp_apic_timer_interrupt+0x33/0x3e [ 3026.491221] [] apic_timer_interrupt+0x82/0x90 [ 3026.491224] [] ? core_kernel_text+0x2b/0x56 [ 3026.491249] [] ? __sanitizer_cov_trace_pc+0x12d/0x138 [ 3026.491261] [] ? filename_lookup+0x1a1/0x1f3 [ 3026.491271] [] ? user_path_at_empty+0x4c/0x55 [ 3026.491281] [] is_ftrace_trampoline+0x15/0x153 [ 3026.491295] [] __kernel_text_address+0x37/0x55 [ 3026.491307] [] print_context_stack+0x109/0x1c7 [ 3026.491319] [] dump_trace+0x656/0x682 [ 3026.491334] [] save_stack_trace+0x31/0xf1 [ 3026.491346] [] save_stack+0x46/0xce [ 3026.491357] [] ? dump_trace+0x656/0x682 [ 3026.491365] [] ? deactivate_slab+0x527/0x566 [ 3026.491370] [] ? deactivate_slab+0x53d/0x566 [ 3026.491376] [] ? getname_flags+0x4f/0x2e0 [ 3026.491381] [] ? init_object+0x1d6/0x1e2 [ 3026.491387] [] ? getname_flags+0x4f/0x2e0 [ 3026.491393] [] ? ___slab_alloc+0xb72/0xbd2 [ 3026.491398] [] ? ___slab_alloc+0xb72/0xbd2 [ 3026.491404] [] ? getname_flags+0x4f/0x2e0 [ 3026.491410] [] ? kasan_poison_shadow+0x2f/0x31 [ 3026.491416] [] ? kasan_unpoison_shadow+0x14/0x35 [ 3026.491423] [] kasan_kmalloc+0x94/0xa3 [ 3026.491429] [] kasan_slab_alloc+0x12/0x14 [ 3026.494737] [] slab_post_alloc_hook+0x97/0xb7 [ 3026.494749] [] kmem_cache_alloc+0x20f/0x33f [ 3026.494756] [] ? getname_flags+0x4f/0x2e0 [ 3026.494763] [] getname_flags+0x4f/0x2e0 [ 3026.494768] [] getname+0x20/0x22 [ 3026.494775] [] SYSC_symlinkat+0x88/0x218 [ 3026.494782] [] ? do_unlinkat+0x41a/0x41a [ 3026.494788] [] SyS_symlink+0x28/0x2c [ 3026.494798] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3026.494806] rcu_sched kthread starved for 13038 jiffies! g297 c296 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 [ 3026.494809] rcu_sched R running task 0 8 2 0x00000008 [ 3026.494819] ffffffffb1f06162 ffffffffb77cfc20 08c00000b1f06440 000000007a53c047 [ 3026.495930] ffff88005ca6fb90 ffff88005ca6fbb8 ffff88005ca6fae8 0000000008c00000 [ 3026.495940] ffff88005ca6fab0 ffffffffb1f06265 ffff88005d418d80 000000007a53c047 [ 3026.495947] Call Trace: [ 3026.495957] [] ? get_timer_cpu_base+0x141/0x151 [ 3026.495963] [] ? lock_timer_base+0xf3/0x103 [ 3026.495971] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 3026.495978] [] ? try_to_del_timer_sync+0xf1/0x126 [ 3026.495983] [] ? del_timer+0x137/0x137 [ 3026.495990] [] ? del_timer_sync+0x7a/0x8d [ 3026.495996] [] ? schedule_timeout+0x196/0x203 [ 3026.496002] [] ? usleep_range+0xfe/0xfe [ 3026.496009] [] ? __prepare_to_swait+0xac/0xac [ 3026.496015] [] ? calc_wheel_index+0x144/0x144 [ 3026.496021] [] ? prepare_to_swait_event+0xd3/0xe1 [ 3026.496029] [] ? rcu_gp_kthread+0x59f/0xf5f [ 3026.496035] [] ? rcu_gp_kthread+0x59f/0xf5f [ 3026.496042] [] ? force_qs_rnp+0x3a3/0x3a3 [ 3026.496049] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 3026.496055] [] ? balance_callback+0x3a/0x137 [ 3026.496061] [] ? __schedule+0x123d/0x126c [ 3026.496068] [] ? cpu_cgroup_can_attach+0x114/0x14d [ 3026.496074] [] ? __wake_up_common+0xe0/0x14f [ 3026.496081] [] ? kthread+0x1f7/0x20b [ 3026.496087] [] ? force_qs_rnp+0x3a3/0x3a3 [ 3026.496093] [] ? init_completion+0x48/0x48 [ 3026.496101] [] ? ret_from_fork+0x1f/0x40 [ 3026.496106] [] ? init_completion+0x48/0x48 [?25h[?0c[ 3026.509747] ================================================================================ [ 3026.509754] UBSAN: Undefined behaviour in block/blk-mq.c:45:31 done (timeout). [ 3026.509868] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 3026.509871] which requires 64 byte alignment [ 3026.509879] CPU: 3 PID: 426 Comm: blkid Tainted: G L 4.8.11 #1 [ 3026.509884] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3026.509896] 00000000ffffffff 00000000a06c21ab ffff88005d20fa70 ffffffffb26ec5cc [ 3026.509905] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3026.509920] 0000000000000010 ffff88005d20fa98 ffff88005d20fa48 ffffffffb363c3e0 [ 3026.509921] Call Trace: [ 3026.509933] [] dump_stack+0xd7/0x132 [ 3026.509941] [] ? arch_local_irq_restore+0x1b/0x1b [ 3026.509949] [] ubsan_epilogue+0x12/0x53 [ 3026.509957] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3026.509964] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3026.509973] [] ? percpu_ref_put_many.constprop.1+0xcd/0x10f [ 3026.509981] [] ? percpu_ref_exit+0x82/0x82 [ 3026.509990] [] blk_mq_run_hw_queues+0xf0/0x265 [ 3026.509999] [] blk_mq_freeze_queue_start+0x60/0x6a [ 3026.510007] [] blk_freeze_queue+0x1a/0x25 [ 3026.510015] [] blk_mq_freeze_queue+0x1c/0x1e [ 3026.510023] [] lo_release+0x16f/0x1fb [ 3026.510040] [] ? transfer_xor+0x2e8/0x2e8 [ 3026.510048] [] ? transfer_xor+0x2e8/0x2e8 [ 3026.510056] [] __blkdev_put+0x5cb/0x81e [ 3026.510064] [] ? freeze_bdev+0x264/0x264 [ 3026.510072] [] ? fsnotify+0x920/0xa6a [ 3026.510082] [] ? mutex_set_owner+0x8e/0xc6 [ 3026.510091] [] ? mutex_unlock+0x9d/0xce [ 3026.510099] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 3026.510106] [] ? blkdev_put+0x43d/0x43d [ 3026.510114] [] blkdev_put+0x430/0x43d [ 3026.510121] [] ? blkdev_put+0x43d/0x43d [ 3026.510129] [] blkdev_close+0x114/0x11d [ 3026.510138] [] __fput+0x38b/0x68b [ 3026.510147] [] ____fput+0x1c/0x1e [ 3026.510157] [] task_work_run+0x11e/0x140 [ 3026.510166] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3026.510175] [] syscall_return_slowpath+0x1b4/0x247 [ 3026.510184] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3026.510188] ================================================================================ [ 3026.510267] ================================================================================ [ 3026.510273] UBSAN: Undefined behaviour in block/blk-mq.c:46:20 [ 3026.510278] member access within misaligned address ffff88005d275588 for type 'struct blk_mq_hw_ctx' [ 3026.510280] which requires 64 byte alignment [ 3026.510286] CPU: 3 PID: 426 Comm: blkid Tainted: G L 4.8.11 #1 [ 3026.510290] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3026.510300] 00000000ffffffff 00000000a06c21ab ffff88005d20fa70 ffffffffb26ec5cc [ 3026.510308] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3026.510316] ffff880000000010 ffff88005d20fa98 ffff88005d20fa48 ffffffffb363c3e0 [ 3026.510317] Call Trace: [ 3026.510326] [] dump_stack+0xd7/0x132 [ 3026.510335] [] ? arch_local_irq_restore+0x1b/0x1b [ 3026.510342] [] ubsan_epilogue+0x12/0x53 [ 3026.510350] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3026.510367] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3026.510375] [] ? percpu_ref_put_many.constprop.1+0xcd/0x10f [ 3026.510382] [] ? percpu_ref_exit+0x82/0x82 [ 3026.510391] [] blk_mq_run_hw_queues+0x129/0x265 [ 3026.510400] [] blk_mq_freeze_queue_start+0x60/0x6a [ 3026.510408] [] blk_freeze_queue+0x1a/0x25 [ 3026.510416] [] blk_mq_freeze_queue+0x1c/0x1e [ 3026.510423] [] lo_release+0x16f/0x1fb [ 3026.510430] [] ? transfer_xor+0x2e8/0x2e8 [ 3026.510438] [] ? transfer_xor+0x2e8/0x2e8 [ 3026.510445] [] __blkdev_put+0x5cb/0x81e [ 3026.510452] [] ? freeze_bdev+0x264/0x264 [ 3026.510460] [] ? fsnotify+0x920/0xa6a [ 3026.510468] [] ? mutex_set_owner+0x8e/0xc6 [ 3026.510475] [] ? mutex_unlock+0x9d/0xce [ 3026.510482] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 3026.510490] [] ? blkdev_put+0x43d/0x43d [ 3026.510497] [] blkdev_put+0x430/0x43d [ 3026.510504] [] ? blkdev_put+0x43d/0x43d [ 3026.510511] [] blkdev_close+0x114/0x11d [ 3026.510519] [] __fput+0x38b/0x68b [ 3026.510527] [] ____fput+0x1c/0x1e [ 3026.510536] [] task_work_run+0x11e/0x140 [ 3026.510544] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3026.510552] [] syscall_return_slowpath+0x1b4/0x247 [ 3026.510561] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3026.510564] ================================================================================ [ 3026.510566] ================================================================================ [ 3026.510571] UBSAN: Undefined behaviour in block/blk-mq.c:46:27 [ 3026.510575] member access within misaligned address ffff88005bc59e50 for type 'struct blk_align_bitmap' [ 3026.510577] which requires 64 byte alignment [ 3026.510582] CPU: 3 PID: 426 Comm: blkid Tainted: G L 4.8.11 #1 [ 3026.510586] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3026.510594] 00000000ffffffff 00000000a06c21ab ffff88005d20fa70 ffffffffb26ec5cc [ 3026.510602] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3026.510609] ffff880000000010 ffff88005d20fa98 ffff88005d20fa48 ffffffffb363c3e0 [ 3026.510611] Call Trace: [ 3026.510632] [] dump_stack+0xd7/0x132 [ 3026.510640] [] ? arch_local_irq_restore+0x1b/0x1b [ 3026.510647] [] ubsan_epilogue+0x12/0x53 [ 3026.510655] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3026.510663] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3026.510671] [] ? percpu_ref_put_many.constprop.1+0xcd/0x10f [ 3026.510679] [] ? percpu_ref_exit+0x82/0x82 [ 3026.510687] [] blk_mq_run_hw_queues+0x15a/0x265 [ 3026.510696] [] blk_mq_freeze_queue_start+0x60/0x6a [ 3026.510705] [] blk_freeze_queue+0x1a/0x25 [ 3026.510713] [] blk_mq_freeze_queue+0x1c/0x1e [ 3026.510720] [] lo_release+0x16f/0x1fb [ 3026.510727] [] ? transfer_xor+0x2e8/0x2e8 [ 3026.510734] [] ? transfer_xor+0x2e8/0x2e8 [ 3026.510741] [] __blkdev_put+0x5cb/0x81e [ 3026.510749] [] ? freeze_bdev+0x264/0x264 [ 3026.510756] [] ? fsnotify+0x920/0xa6a [ 3026.510764] [] ? mutex_set_owner+0x8e/0xc6 [ 3026.510772] [] ? mutex_unlock+0x9d/0xce [ 3026.510779] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 3026.510786] [] ? blkdev_put+0x43d/0x43d [ 3026.510793] [] blkdev_put+0x430/0x43d [ 3026.510800] [] ? blkdev_put+0x43d/0x43d [ 3026.510807] [] blkdev_close+0x114/0x11d [ 3026.510815] [] __fput+0x38b/0x68b [ 3026.510824] [] ____fput+0x1c/0x1e [ 3026.510832] [] task_work_run+0x11e/0x140 [ 3026.510841] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3026.510849] [] syscall_return_slowpath+0x1b4/0x247 [ 3026.510858] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3026.510861] ================================================================================ [ 3027.827070] ================================================================================ [ 3027.827076] UBSAN: Undefined behaviour in lib/rhashtable.c:105:13 [ 3027.827080] member access within misaligned address ffff8800a369aac8 for type 'const struct bucket_table' [ 3027.827082] which requires 64 byte alignment [ 3027.827089] CPU: 3 PID: 375 Comm: udevd Tainted: G L 4.8.11 #1 [ 3027.827092] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3027.827103] 00000000ffffffff 000000005b849a8f ffff8800a3d07cf8 ffffffffb26ec5cc [ 3027.827110] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3027.827116] ffff880000000010 ffff8800a3d07d20 ffff8800a3d07cd0 ffffffffb363c3e0 [ 3027.827117] Call Trace: [ 3027.827128] [] dump_stack+0xd7/0x132 [ 3027.827135] [] ? arch_local_irq_restore+0x1b/0x1b [ 3027.827142] [] ubsan_epilogue+0x12/0x53 [ 3027.827149] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3027.827155] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3027.827163] [] ? get_max_files+0x17/0x17 [ 3027.827169] [] ? kmem_cache_free+0x4b/0x2b3 [ 3027.827176] [] ? bucket_table_free+0x4d/0x4d [ 3027.827183] [] bucket_table_free+0x2b/0x4d [ 3027.827189] [] bucket_table_free_rcu+0x16/0x19 [ 3027.827197] [] rcu_process_callbacks+0xdf4/0x12b0 [ 3027.827204] [] ? note_gp_changes+0x244/0x244 [ 3027.827212] [] ? native_apic_msr_write+0x29/0x2b [ 3027.827219] [] ? apic_write+0x53/0x5a [ 3027.827226] [] __do_softirq+0x211/0x59e [ 3027.827233] [] irq_exit+0x65/0xd6 [ 3027.827239] [] smp_apic_timer_interrupt+0x33/0x3e [ 3027.827245] [] apic_timer_interrupt+0x82/0x90 [ 3027.827253] [] ? task_rq_unlock+0x2d/0x42 [ 3027.827260] [] ? arch_local_irq_restore+0x6/0xd [ 3027.827268] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 3027.827273] [] task_rq_unlock+0x3d/0x42 [ 3027.827280] [] wake_up_new_task+0x2b7/0x36f [ 3027.827286] [] ? dl_bw_of+0xa7/0xa7 [ 3027.827293] [] ? pid_nr_ns+0x11b/0x128 [ 3027.827301] [] _do_fork+0x33e/0x61e [ 3027.827308] [] ? fork_idle+0x1a2/0x1a2 [ 3027.827315] [] ? SYSC_pipe2+0x12a/0x168 [ 3027.827322] [] ? __do_pipe_flags+0x1c6/0x1c6 [ 3027.827328] [] ? __do_page_fault+0x6d3/0x96b [ 3027.827335] [] SyS_clone+0x43/0x4c [ 3027.827342] [] ? ptregs_sys_rt_sigreturn+0x10/0x10 [ 3027.827349] [] do_syscall_64+0x146/0x189 [ 3027.827357] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3027.827359] ================================================================================ [ 3028.830893] ================================================================================ [ 3028.830898] UBSAN: Undefined behaviour in fs/pipe.c:880:28 [ 3028.830903] member access within misaligned address ffff8800a2fa1c10 for type 'struct super_block' [ 3028.830905] which requires 64 byte alignment [ 3028.830912] CPU: 3 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [ 3028.830916] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3028.830927] 00000000ffffffff 00000000b1a89c60 ffff88005c9df930 ffffffffb26ec5cc [ 3028.830934] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3028.830941] 0000000000000010 ffff88005c9df958 ffff88005c9df908 ffffffffb363c3e0 [ 3028.830942] Call Trace: [ 3028.830952] [] dump_stack+0xd7/0x132 [ 3028.830960] [] ? arch_local_irq_restore+0x1b/0x1b [ 3028.830968] [] ubsan_epilogue+0x12/0x53 [ 3028.830975] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3028.830982] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3028.830990] [] ? __fsnotify_parent+0x229/0x238 [ 3028.830998] [] ? pipe_release+0x203/0x203 [ 3028.831005] [] fifo_open+0x61/0x94e [ 3028.831012] [] ? break_lease+0xf3/0x102 [ 3028.831019] [] ? pipe_release+0x203/0x203 [ 3028.831026] [] do_dentry_open+0x775/0xa9a [ 3028.831033] [] vfs_open+0x1a5/0x1be [ 3028.831041] [] path_openat+0x1f94/0x2525 [ 3028.831055] [] ? kasan_slab_alloc+0x12/0x14 [ 3028.831068] [] ? do_sys_open+0xb2/0x342 [ 3028.831078] [] ? SyS_open+0x32/0x39 [ 3028.831089] [] ? may_open+0x1c0/0x1c0 [ 3028.831101] [] ? deactivate_slab+0x53d/0x566 [ 3028.831112] [] ? getname_flags+0x4f/0x2e0 [ 3028.831118] [] ? init_object+0x1d6/0x1e2 [ 3028.831128] [] ? expand_files+0x68a/0x6d7 [ 3028.831141] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3028.831149] [] do_filp_open+0xe2/0x18c [ 3028.831155] [] ? path_openat+0x2525/0x2525 [ 3028.831162] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3028.831170] [] ? __alloc_fd+0x43d/0x47f [ 3028.831176] [] ? exit_files+0xaa/0xaa [ 3028.831184] [] do_sys_open+0xf5/0x342 [ 3028.831190] [] ? do_sys_open+0xf5/0x342 [ 3028.831197] [] ? filp_open+0x68/0x68 [ 3028.831203] [] SyS_open+0x32/0x39 [ 3028.831213] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3028.831216] ================================================================================ [ 3033.978524] ================================================================================ [ 3033.978530] UBSAN: Undefined behaviour in fs/devpts/inode.c:159:10 [ 3033.978535] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 3033.978537] which requires 64 byte alignment [ 3033.978543] CPU: 2 PID: 182 Comm: startpar Tainted: G L 4.8.11 #1 [ 3033.978547] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3033.978558] 00000000ffffffff 000000002ffda90b ffff8800a05ef7f0 ffffffffb26ec5cc [ 3033.978565] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3033.978572] ffffffff00000010 ffff8800a05ef818 ffff8800a05ef7c8 ffffffffb363c3e0 [ 3033.978574] Call Trace: [ 3033.978584] [] dump_stack+0xd7/0x132 [ 3033.978592] [] ? arch_local_irq_restore+0x1b/0x1b [ 3033.978599] [] ubsan_epilogue+0x12/0x53 [ 3033.978606] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3033.978613] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3033.978620] [] ? pty_write_room+0xb4/0xb4 [ 3033.978628] [] devpts_acquire+0x16e/0x25e [ 3033.978635] [] ? devpts_mount+0xa77/0xa77 [ 3033.978641] [] ptmx_open+0x96/0x2df [ 3033.978647] [] ? pty_write_room+0xb4/0xb4 [ 3033.978653] [] chrdev_open+0x44e/0x4ae [ 3033.978659] [] ? cdev_put+0x59/0x59 [ 3033.978666] [] ? break_lease+0xf3/0x102 [ 3033.978672] [] ? cdev_put+0x59/0x59 [ 3033.978678] [] do_dentry_open+0x775/0xa9a [ 3033.978684] [] vfs_open+0x1a5/0x1be [ 3033.978691] [] path_openat+0x1f94/0x2525 [ 3033.978699] [] ? kasan_slab_alloc+0x12/0x14 [ 3033.978706] [] ? do_sys_open+0xb2/0x342 [ 3033.978712] [] ? SyS_open+0x32/0x39 [ 3033.978718] [] ? may_open+0x1c0/0x1c0 [ 3033.978724] [] ? deactivate_slab+0x53d/0x566 [ 3033.978730] [] ? getname_flags+0x4f/0x2e0 [ 3033.978736] [] ? init_object+0x1d6/0x1e2 [ 3033.978744] [] ? expand_files+0x68a/0x6d7 [ 3033.978751] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3033.978758] [] do_filp_open+0xe2/0x18c [ 3033.978764] [] ? path_openat+0x2525/0x2525 [ 3033.978771] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3033.978778] [] ? __alloc_fd+0x43d/0x47f [ 3033.978785] [] ? exit_files+0xaa/0xaa [ 3033.978792] [] do_sys_open+0xf5/0x342 [ 3033.978798] [] ? do_sys_open+0xf5/0x342 [ 3033.978805] [] ? __do_page_fault+0x6d3/0x96b [ 3033.978812] [] ? filp_open+0x68/0x68 [ 3033.978819] [] SyS_open+0x32/0x39 [ 3033.978828] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3033.978831] ================================================================================ [ 3036.673369] ================================================================================ [ 3036.673375] UBSAN: Undefined behaviour in mm/shmem.c:133:11 [ 3036.673380] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 3036.673382] which requires 64 byte alignment [ 3036.673388] CPU: 2 PID: 550 Comm: rm Tainted: G L 4.8.11 #1 [ 3036.673392] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3036.673403] 00000000ffffffff 00000000527b526f ffff8800a0f27ad8 ffffffffb26ec5cc [ 3036.673410] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3036.673417] 0000000000000010 ffff8800a0f27b00 ffff8800a0f27ab0 ffffffffb363c3e0 [ 3036.673418] Call Trace: [ 3036.673428] [] dump_stack+0xd7/0x132 [ 3036.673436] [] ? arch_local_irq_restore+0x1b/0x1b [ 3036.673443] [] ubsan_epilogue+0x12/0x53 [ 3036.673450] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3036.673458] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3036.673466] [] ? autoremove_wake_function+0x102/0x102 [ 3036.673474] [] shmem_evict_inode+0x65/0x4ff [ 3036.673481] [] ? shmem_truncate_range+0x84/0x84 [ 3036.673488] [] evict+0x304/0x524 [ 3036.673494] [] ? destroy_inode+0x168/0x168 [ 3036.673500] [] ? no_open+0x15/0x15 [ 3036.673506] [] iput+0x561/0x6be [ 3036.673513] [] dentry_unlink_inode+0x471/0x4b9 [ 3036.673521] [] ? d_genocide+0x2a/0x2a [ 3036.673527] [] ? __list_del_entry+0x20c/0x242 [ 3036.673533] [] ? __list_add+0x249/0x249 [ 3036.673541] [] __dentry_kill+0x33d/0x4c5 [ 3036.673548] [] ? dcache_dir_open+0x9c/0x9c [ 3036.673555] [] dput+0x3f5/0x723 [ 3036.673563] [] __fput+0x64b/0x68b [ 3036.673571] [] ____fput+0x1c/0x1e [ 3036.673579] [] task_work_run+0x11e/0x140 [ 3036.673588] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3036.673595] [] syscall_return_slowpath+0x1b4/0x247 [ 3036.673605] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3036.673607] ================================================================================ [ 3036.673612] ================================================================================ [ 3036.673615] UBSAN: Undefined behaviour in mm/shmem.c:133:11 [ 3036.673619] member access within misaligned address ffff88005d031c10 for type 'struct super_block' [ 3036.673621] which requires 64 byte alignment [ 3036.673626] CPU: 2 PID: 550 Comm: rm Tainted: G L 4.8.11 #1 [ 3036.673630] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3036.673637] 00000000ffffffff 00000000527b526f ffff8800a0f27ab0 ffffffffb26ec5cc [ 3036.673644] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3036.673651] ffff880000000010 ffff8800a0f27ad8 ffff8800a0f27a88 ffffffffb363c3e0 [ 3036.673652] Call Trace: [ 3036.673659] [] dump_stack+0xd7/0x132 [ 3036.673667] [] ? arch_local_irq_restore+0x1b/0x1b [ 3036.673673] [] ubsan_epilogue+0x12/0x53 [ 3036.673680] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3036.673688] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3036.680533] [] ? mutex_unlock+0x9d/0xce [ 3036.680544] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 3036.680552] [] shmem_free_inode+0x2f/0x102 [ 3036.680560] [] shmem_evict_inode+0x4ea/0x4ff [ 3036.680567] [] ? shmem_truncate_range+0x84/0x84 [ 3036.680574] [] evict+0x304/0x524 [ 3036.680580] [] ? destroy_inode+0x168/0x168 [ 3036.680586] [] ? no_open+0x15/0x15 [ 3036.680591] [] iput+0x561/0x6be [ 3036.680599] [] dentry_unlink_inode+0x471/0x4b9 [ 3036.680607] [] ? d_genocide+0x2a/0x2a [ 3036.680614] [] ? __list_del_entry+0x20c/0x242 [ 3036.680620] [] ? __list_add+0x249/0x249 [ 3036.680628] [] __dentry_kill+0x33d/0x4c5 [ 3036.680635] [] ? dcache_dir_open+0x9c/0x9c [ 3036.680642] [] dput+0x3f5/0x723 [ 3036.680650] [] __fput+0x64b/0x68b [ 3036.680658] [] ____fput+0x1c/0x1e [ 3036.680667] [] task_work_run+0x11e/0x140 [ 3036.680675] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3036.680683] [] syscall_return_slowpath+0x1b4/0x247 [ 3036.680691] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3036.680695] ================================================================================ [ 3037.059027] ================================================================================ [ 3037.059033] UBSAN: Undefined behaviour in fs/devpts/inode.c:451:8 [ 3037.059038] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3037.059040] which requires 64 byte alignment [ 3037.059048] CPU: 3 PID: 562 Comm: mount Tainted: G L 4.8.11 #1 [ 3037.059051] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3037.059063] 00000000ffffffff 00000000940bf9db ffff88009e3cfb68 ffffffffb26ec5cc [ 3037.059070] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3037.059078] 1ffff10000000010 ffff88009e3cfb90 ffff88009e3cfb40 ffffffffb363c3e0 [ 3037.059079] Call Trace: [ 3037.059090] [] dump_stack+0xd7/0x132 [ 3037.059098] [] ? arch_local_irq_restore+0x1b/0x1b [ 3037.059105] [] ubsan_epilogue+0x12/0x53 [ 3037.059113] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3037.059121] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3037.059128] [] ? get_anon_bdev+0x1e7/0x1e7 [ 3037.059134] [] ? sget+0xd3/0xe3 [ 3037.059142] [] devpts_mount+0xfe/0xa77 [ 3037.059150] [] ? devpts_show_options+0x20a/0x20a [ 3037.059157] [] mount_fs+0xd0/0x2ca [ 3037.059165] [] vfs_kern_mount+0xa0/0x20a [ 3037.059172] [] do_mount+0x11fe/0x19df [ 3037.059178] [] ? copy_mount_string+0x3d/0x3d [ 3037.059186] [] ? do_async_page_fault+0x31/0x63 [ 3037.059195] [] ? async_page_fault+0x28/0x30 [ 3037.059202] [] ? copy_mount_options+0x1d7/0x24d [ 3037.059209] [] ? copy_mount_options+0x23d/0x24d [ 3037.059215] [] ? copy_mount_options+0x19d/0x24d [ 3037.059222] [] SyS_mount+0xa3/0xda [ 3037.059231] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3037.059234] ================================================================================ [ 3037.059236] ================================================================================ [ 3037.059240] UBSAN: Undefined behaviour in fs/devpts/inode.c:399:14 [ 3037.059244] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3037.059246] which requires 64 byte alignment [ 3037.059252] CPU: 3 PID: 562 Comm: mount Tainted: G L 4.8.11 #1 [ 3037.059255] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3037.059264] 00000000ffffffff 00000000940bf9db ffff88009e3cfb68 ffffffffb26ec5cc [ 3037.059271] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3037.059279] 1ffff10000000010 ffff88009e3cfb90 ffff88009e3cfb40 ffffffffb363c3e0 [ 3037.059280] Call Trace: [ 3037.059287] [] dump_stack+0xd7/0x132 [ 3037.059295] [] ? arch_local_irq_restore+0x1b/0x1b [ 3037.059302] [] ubsan_epilogue+0x12/0x53 [ 3037.059309] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3037.059317] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3037.059323] [] ? get_anon_bdev+0x1e7/0x1e7 [ 3037.059329] [] ? sget+0xd3/0xe3 [ 3037.059337] [] devpts_mount+0x141/0xa77 [ 3037.059344] [] ? devpts_show_options+0x20a/0x20a [ 3037.059351] [] mount_fs+0xd0/0x2ca [ 3037.059359] [] vfs_kern_mount+0xa0/0x20a [ 3037.059365] [] do_mount+0x11fe/0x19df [ 3037.059372] [] ? copy_mount_string+0x3d/0x3d [ 3037.059379] [] ? do_async_page_fault+0x31/0x63 [ 3037.059388] [] ? async_page_fault+0x28/0x30 [ 3037.059394] [] ? copy_mount_options+0x1d7/0x24d [ 3037.059401] [] ? copy_mount_options+0x23d/0x24d [ 3037.059407] [] ? copy_mount_options+0x19d/0x24d [ 3037.059414] [] SyS_mount+0xa3/0xda [ 3037.059422] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3037.059425] ================================================================================ [ 3037.059428] ================================================================================ [ 3037.059432] UBSAN: Undefined behaviour in fs/devpts/inode.c:399:14 [ 3037.059436] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3037.059438] which requires 64 byte alignment [ 3037.059443] CPU: 3 PID: 562 Comm: mount Tainted: G L 4.8.11 #1 [ 3037.059447] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3037.059455] 00000000ffffffff 00000000940bf9db ffff88009e3cfb68 ffffffffb26ec5cc [ 3037.059463] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3037.059470] 1ffff10000000010 ffff88009e3cfb90 ffff88009e3cfb40 ffffffffb363c3e0 [ 3037.059471] Call Trace: [ 3037.059478] [] dump_stack+0xd7/0x132 [ 3037.059486] [] ? arch_local_irq_restore+0x1b/0x1b [ 3037.059493] [] ubsan_epilogue+0x12/0x53 [ 3037.059500] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3037.059508] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3037.059515] [] ? get_anon_bdev+0x1e7/0x1e7 [ 3037.059520] [] ? sget+0xd3/0xe3 [ 3037.059528] [] devpts_mount+0x16b/0xa77 [ 3037.059536] [] ? devpts_show_options+0x20a/0x20a [ 3037.059542] [] mount_fs+0xd0/0x2ca [ 3037.059550] [] vfs_kern_mount+0xa0/0x20a [ 3037.059557] [] do_mount+0x11fe/0x19df [ 3037.059563] [] ? copy_mount_string+0x3d/0x3d [ 3037.059570] [] ? do_async_page_fault+0x31/0x63 [ 3037.059579] [] ? async_page_fault+0x28/0x30 [ 3037.059585] [] ? copy_mount_options+0x1d7/0x24d [ 3037.059592] [] ? copy_mount_options+0x23d/0x24d [ 3037.059598] [] ? copy_mount_options+0x19d/0x24d [ 3037.059605] [] SyS_mount+0xa3/0xda [ 3037.059613] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3037.059616] ================================================================================ [ 3037.059618] ================================================================================ [ 3037.059623] UBSAN: Undefined behaviour in fs/devpts/inode.c:400:17 [ 3037.059627] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3037.059628] which requires 64 byte alignment [ 3037.059634] CPU: 3 PID: 562 Comm: mount Tainted: G L 4.8.11 #1 [ 3037.059637] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3037.059646] 00000000ffffffff 00000000940bf9db ffff88009e3cfb68 ffffffffb26ec5cc [ 3037.059653] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3037.059661] 1ffff10000000010 ffff88009e3cfb90 ffff88009e3cfb40 ffffffffb363c3e0 [ 3037.059662] Call Trace: [ 3037.059669] [] dump_stack+0xd7/0x132 [ 3037.059676] [] ? arch_local_irq_restore+0x1b/0x1b [ 3037.059683] [] ubsan_epilogue+0x12/0x53 [ 3037.059691] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3037.059699] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3037.059705] [] ? get_anon_bdev+0x1e7/0x1e7 [ 3037.059711] [] ? sget+0xd3/0xe3 [ 3037.059718] [] devpts_mount+0x188/0xa77 [ 3037.059726] [] ? devpts_show_options+0x20a/0x20a [ 3037.059733] [] mount_fs+0xd0/0x2ca [ 3037.059741] [] vfs_kern_mount+0xa0/0x20a [ 3037.059747] [] do_mount+0x11fe/0x19df [ 3037.059754] [] ? copy_mount_string+0x3d/0x3d [ 3037.059761] [] ? do_async_page_fault+0x31/0x63 [ 3037.059774] [] ? async_page_fault+0x28/0x30 [ 3037.059786] [] ? copy_mount_options+0x1d7/0x24d [ 3037.059797] [] ? copy_mount_options+0x23d/0x24d [ 3037.059809] [] ? copy_mount_options+0x19d/0x24d [ 3037.059820] [] SyS_mount+0xa3/0xda [ 3037.059836] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3037.059842] ================================================================================ [ 3037.059846] ================================================================================ [ 3037.059853] UBSAN: Undefined behaviour in fs/devpts/inode.c:401:22 [ 3037.059857] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3037.059859] which requires 64 byte alignment [ 3037.059864] CPU: 3 PID: 562 Comm: mount Tainted: G L 4.8.11 #1 [ 3037.059868] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3037.059877] 00000000ffffffff 00000000940bf9db ffff88009e3cfb68 ffffffffb26ec5cc [ 3037.059884] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3037.059892] 1ffff10000000010 ffff88009e3cfb90 ffff88009e3cfb40 ffffffffb363c3e0 [ 3037.059893] Call Trace: [ 3037.059900] [] dump_stack+0xd7/0x132 [ 3037.059908] [] ? arch_local_irq_restore+0x1b/0x1b [ 3037.059915] [] ubsan_epilogue+0x12/0x53 [ 3037.059922] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3037.059930] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3037.059937] [] ? get_anon_bdev+0x1e7/0x1e7 [ 3037.059942] [] ? sget+0xd3/0xe3 [ 3037.059950] [] devpts_mount+0x1b2/0xa77 [ 3037.059958] [] ? devpts_show_options+0x20a/0x20a [ 3037.059964] [] mount_fs+0xd0/0x2ca [ 3037.059972] [] vfs_kern_mount+0xa0/0x20a [ 3037.059979] [] do_mount+0x11fe/0x19df [ 3037.059985] [] ? copy_mount_string+0x3d/0x3d [ 3037.059992] [] ? do_async_page_fault+0x31/0x63 [ 3037.060001] [] ? async_page_fault+0x28/0x30 [ 3037.060008] [] ? copy_mount_options+0x1d7/0x24d [ 3037.060014] [] ? copy_mount_options+0x23d/0x24d [ 3037.060021] [] ? copy_mount_options+0x19d/0x24d [ 3037.060027] [] SyS_mount+0xa3/0xda [ 3037.060036] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3037.060039] ================================================================================ [ 3037.060041] ================================================================================ [ 3037.060045] UBSAN: Undefined behaviour in fs/devpts/inode.c:402:13 [ 3037.060049] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3037.060051] which requires 64 byte alignment [ 3037.060056] CPU: 3 PID: 562 Comm: mount Tainted: G L 4.8.11 #1 [ 3037.060060] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3037.060068] 00000000ffffffff 00000000940bf9db ffff88009e3cfb68 ffffffffb26ec5cc [ 3037.060075] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3037.060083] 1ffff10000000010 ffff88009e3cfb90 ffff88009e3cfb40 ffffffffb363c3e0 [ 3037.060084] Call Trace: [ 3037.060091] [] dump_stack+0xd7/0x132 [ 3037.060099] [] ? arch_local_irq_restore+0x1b/0x1b [ 3037.060106] [] ubsan_epilogue+0x12/0x53 [ 3037.060113] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3037.060121] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3037.060127] [] ? get_anon_bdev+0x1e7/0x1e7 [ 3037.060133] [] ? sget+0xd3/0xe3 [ 3037.060141] [] devpts_mount+0x1d8/0xa77 [ 3037.060148] [] ? devpts_show_options+0x20a/0x20a [ 3037.060155] [] mount_fs+0xd0/0x2ca [ 3037.060163] [] vfs_kern_mount+0xa0/0x20a [ 3037.060170] [] do_mount+0x11fe/0x19df [ 3037.060176] [] ? copy_mount_string+0x3d/0x3d [ 3037.060183] [] ? do_async_page_fault+0x31/0x63 [ 3037.060191] [] ? async_page_fault+0x28/0x30 [ 3037.060198] [] ? copy_mount_options+0x1d7/0x24d [ 3037.060205] [] ? copy_mount_options+0x23d/0x24d [ 3037.060211] [] ? copy_mount_options+0x19d/0x24d [ 3037.060217] [] SyS_mount+0xa3/0xda [ 3037.060226] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3037.060229] ================================================================================ [ 3037.060231] ================================================================================ [ 3037.060235] UBSAN: Undefined behaviour in fs/devpts/inode.c:403:10 [ 3037.060239] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3037.060241] which requires 64 byte alignment [ 3037.060246] CPU: 3 PID: 562 Comm: mount Tainted: G L 4.8.11 #1 [ 3037.060250] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3037.060258] 00000000ffffffff 00000000940bf9db ffff88009e3cfb68 ffffffffb26ec5cc [ 3037.060266] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3037.060273] 1ffff10000000010 ffff88009e3cfb90 ffff88009e3cfb40 ffffffffb363c3e0 [ 3037.060274] Call Trace: [ 3037.060281] [] dump_stack+0xd7/0x132 [ 3037.060289] [] ? arch_local_irq_restore+0x1b/0x1b [ 3037.060296] [] ubsan_epilogue+0x12/0x53 [ 3037.060304] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3037.060311] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3037.060318] [] ? get_anon_bdev+0x1e7/0x1e7 [ 3037.060323] [] ? sget+0xd3/0xe3 [ 3037.060331] [] devpts_mount+0x202/0xa77 [ 3037.060339] [] ? devpts_show_options+0x20a/0x20a [ 3037.060345] [] mount_fs+0xd0/0x2ca [ 3037.060354] [] vfs_kern_mount+0xa0/0x20a [ 3037.060360] [] do_mount+0x11fe/0x19df [ 3037.060366] [] ? copy_mount_string+0x3d/0x3d [ 3037.060373] [] ? do_async_page_fault+0x31/0x63 [ 3037.060382] [] ? async_page_fault+0x28/0x30 [ 3037.060389] [] ? copy_mount_options+0x1d7/0x24d [ 3037.060395] [] ? copy_mount_options+0x23d/0x24d [ 3037.060402] [] ? copy_mount_options+0x19d/0x24d [ 3037.060408] [] SyS_mount+0xa3/0xda [ 3037.060417] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3037.060420] ================================================================================ [ 3037.060422] ================================================================================ [ 3037.060426] UBSAN: Undefined behaviour in fs/devpts/inode.c:404:17 [ 3037.060430] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3037.060432] which requires 64 byte alignment [ 3037.060437] CPU: 3 PID: 562 Comm: mount Tainted: G L 4.8.11 #1 [ 3037.060440] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3037.060449] 00000000ffffffff 00000000940bf9db ffff88009e3cfb68 ffffffffb26ec5cc [ 3037.060456] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3037.060464] 1ffff10000000010 ffff88009e3cfb90 ffff88009e3cfb40 ffffffffb363c3e0 [ 3037.060465] Call Trace: [ 3037.060472] [] dump_stack+0xd7/0x132 [ 3037.060479] [] ? arch_local_irq_restore+0x1b/0x1b [ 3037.060486] [] ubsan_epilogue+0x12/0x53 [ 3037.060494] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3037.060502] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3037.060508] [] ? get_anon_bdev+0x1e7/0x1e7 [ 3037.060514] [] ? sget+0xd3/0xe3 [ 3037.060521] [] devpts_mount+0x22c/0xa77 [ 3037.060529] [] ? devpts_show_options+0x20a/0x20a [ 3037.060536] [] mount_fs+0xd0/0x2ca [ 3037.060544] [] vfs_kern_mount+0xa0/0x20a [ 3037.060550] [] do_mount+0x11fe/0x19df [ 3037.060557] [] ? copy_mount_string+0x3d/0x3d [ 3037.060563] [] ? do_async_page_fault+0x31/0x63 [ 3037.060572] [] ? async_page_fault+0x28/0x30 [ 3037.060579] [] ? copy_mount_options+0x1d7/0x24d [ 3037.060586] [] ? copy_mount_options+0x23d/0x24d [ 3037.060592] [] ? copy_mount_options+0x19d/0x24d [ 3037.060598] [] SyS_mount+0xa3/0xda [ 3037.060607] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3037.060610] ================================================================================ [ 3037.060640] ================================================================================ [ 3037.060644] UBSAN: Undefined behaviour in fs/devpts/inode.c:406:15 [ 3037.060648] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3037.060650] which requires 64 byte alignment [ 3037.060655] CPU: 3 PID: 562 Comm: mount Tainted: G L 4.8.11 #1 [ 3037.060659] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3037.060667] 00000000ffffffff 00000000940bf9db ffff88009e3cfb68 ffffffffb26ec5cc [ 3037.060675] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3037.060682] ffff880000000010 ffff88009e3cfb90 ffff88009e3cfb40 ffffffffb363c3e0 [ 3037.060683] Call Trace: [ 3037.060690] [] dump_stack+0xd7/0x132 [ 3037.060698] [] ? arch_local_irq_restore+0x1b/0x1b [ 3037.060705] [] ubsan_epilogue+0x12/0x53 [ 3037.060713] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3037.060721] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3037.060728] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3037.060735] [] ? memset+0x31/0x38 [ 3037.060743] [] devpts_mount+0x2dd/0xa77 [ 3037.060751] [] ? devpts_show_options+0x20a/0x20a [ 3037.060757] [] mount_fs+0xd0/0x2ca [ 3037.060766] [] vfs_kern_mount+0xa0/0x20a [ 3037.060772] [] do_mount+0x11fe/0x19df [ 3037.060778] [] ? copy_mount_string+0x3d/0x3d [ 3037.060785] [] ? do_async_page_fault+0x31/0x63 [ 3037.060794] [] ? async_page_fault+0x28/0x30 [ 3037.060801] [] ? copy_mount_options+0x1d7/0x24d [ 3037.060807] [] ? copy_mount_options+0x23d/0x24d [ 3037.060814] [] ? copy_mount_options+0x19d/0x24d [ 3037.060820] [] SyS_mount+0xa3/0xda [ 3037.060829] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3037.060832] ================================================================================ [ 3037.060834] ================================================================================ [ 3037.060838] UBSAN: Undefined behaviour in fs/devpts/inode.c:407:8 [ 3037.060842] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3037.060843] which requires 64 byte alignment [ 3037.060849] CPU: 3 PID: 562 Comm: mount Tainted: G L 4.8.11 #1 [ 3037.060852] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3037.060861] 00000000ffffffff 00000000940bf9db ffff88009e3cfb68 ffffffffb26ec5cc [ 3037.060868] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3037.060876] ffff880000000010 ffff88009e3cfb90 ffff88009e3cfb40 ffffffffb363c3e0 [ 3037.060877] Call Trace: [ 3037.060884] [] dump_stack+0xd7/0x132 [ 3037.060891] [] ? arch_local_irq_restore+0x1b/0x1b [ 3037.060898] [] ubsan_epilogue+0x12/0x53 [ 3037.060906] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3037.060914] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3037.060921] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3037.060928] [] ? memset+0x31/0x38 [ 3037.060936] [] devpts_mount+0x305/0xa77 [ 3037.060943] [] ? devpts_show_options+0x20a/0x20a [ 3037.060950] [] mount_fs+0xd0/0x2ca [ 3037.060958] [] vfs_kern_mount+0xa0/0x20a [ 3037.060965] [] do_mount+0x11fe/0x19df [ 3037.060971] [] ? copy_mount_string+0x3d/0x3d [ 3037.060978] [] ? do_async_page_fault+0x31/0x63 [ 3037.060987] [] ? async_page_fault+0x28/0x30 [ 3037.060993] [] ? copy_mount_options+0x1d7/0x24d [ 3037.061000] [] ? copy_mount_options+0x23d/0x24d [ 3037.061006] [] ? copy_mount_options+0x19d/0x24d [ 3037.061013] [] SyS_mount+0xa3/0xda [ 3037.061021] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3037.061024] ================================================================================ [ 3037.061074] ================================================================================ [ 3037.061078] UBSAN: Undefined behaviour in fs/devpts/inode.c:420:12 [ 3037.061082] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3037.061084] which requires 64 byte alignment [ 3037.061089] CPU: 3 PID: 562 Comm: mount Tainted: G L 4.8.11 #1 [ 3037.061093] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3037.061101] 00000000ffffffff 00000000940bf9db ffff88009e3cfb68 ffffffffb26ec5cc [ 3037.061109] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3037.061116] 0020000000000010 ffff88009e3cfb90 ffff88009e3cfb40 ffffffffb363c3e0 [ 3037.061117] Call Trace: [ 3037.061125] [] dump_stack+0xd7/0x132 [ 3037.061132] [] ? arch_local_irq_restore+0x1b/0x1b [ 3037.061139] [] ubsan_epilogue+0x12/0x53 [ 3037.061147] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3037.061155] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3037.061163] [] devpts_mount+0x4b7/0xa77 [ 3037.061170] [] ? devpts_show_options+0x20a/0x20a [ 3037.061177] [] mount_fs+0xd0/0x2ca [ 3037.061186] [] vfs_kern_mount+0xa0/0x20a [ 3037.061192] [] do_mount+0x11fe/0x19df [ 3037.061198] [] ? copy_mount_string+0x3d/0x3d [ 3037.061205] [] ? do_async_page_fault+0x31/0x63 [ 3037.061214] [] ? async_page_fault+0x28/0x30 [ 3037.061221] [] ? copy_mount_options+0x1d7/0x24d [ 3037.061227] [] ? copy_mount_options+0x23d/0x24d [ 3037.061234] [] ? copy_mount_options+0x19d/0x24d [ 3037.061240] [] SyS_mount+0xa3/0xda [ 3037.061249] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3037.061252] ================================================================================ [ 3037.061254] ================================================================================ [ 3037.061258] UBSAN: Undefined behaviour in fs/devpts/inode.c:421:7 [ 3037.061262] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3037.061264] which requires 64 byte alignment [ 3037.061269] CPU: 3 PID: 562 Comm: mount Tainted: G L 4.8.11 #1 [ 3037.061272] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3037.061281] 00000000ffffffff 00000000940bf9db ffff88009e3cfb68 ffffffffb26ec5cc [ 3037.061288] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3037.061296] 0020000000000010 ffff88009e3cfb90 ffff88009e3cfb40 ffffffffb363c3e0 [ 3037.061297] Call Trace: [ 3037.061304] [] dump_stack+0xd7/0x132 [ 3037.061311] [] ? arch_local_irq_restore+0x1b/0x1b [ 3037.061318] [] ubsan_epilogue+0x12/0x53 [ 3037.061326] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3037.061334] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3037.061342] [] devpts_mount+0x4dd/0xa77 [ 3037.061350] [] ? devpts_show_options+0x20a/0x20a [ 3037.061356] [] mount_fs+0xd0/0x2ca [ 3037.061365] [] vfs_kern_mount+0xa0/0x20a [ 3037.061371] [] do_mount+0x11fe/0x19df [ 3037.061377] [] ? copy_mount_string+0x3d/0x3d [ 3037.061384] [] ? do_async_page_fault+0x31/0x63 [ 3037.061393] [] ? async_page_fault+0x28/0x30 [ 3037.061400] [] ? copy_mount_options+0x1d7/0x24d [ 3037.061406] [] ? copy_mount_options+0x23d/0x24d [ 3037.061413] [] ? copy_mount_options+0x19d/0x24d [ 3037.061419] [] SyS_mount+0xa3/0xda [ 3037.061428] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3037.061430] ================================================================================ [ 3037.061433] ================================================================================ [ 3037.061437] UBSAN: Undefined behaviour in fs/devpts/inode.c:455:14 [ 3037.061441] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3037.061443] which requires 64 byte alignment [ 3037.061448] CPU: 3 PID: 562 Comm: mount Tainted: G L 4.8.11 #1 [ 3037.061452] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3037.061460] 00000000ffffffff 00000000940bf9db ffff88009e3cfb68 ffffffffb26ec5cc [ 3037.061468] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3037.061475] 0020000000000010 ffff88009e3cfb90 ffff88009e3cfb40 ffffffffb363c3e0 [ 3037.061476] Call Trace: [ 3037.061483] [] dump_stack+0xd7/0x132 [ 3037.061491] [] ? arch_local_irq_restore+0x1b/0x1b [ 3037.061498] [] ubsan_epilogue+0x12/0x53 [ 3037.061506] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3037.061514] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3037.061521] [] devpts_mount+0xa3d/0xa77 [ 3037.061529] [] ? devpts_show_options+0x20a/0x20a [ 3037.061536] [] mount_fs+0xd0/0x2ca [ 3037.061544] [] vfs_kern_mount+0xa0/0x20a [ 3037.061550] [] do_mount+0x11fe/0x19df [ 3037.061557] [] ? copy_mount_string+0x3d/0x3d [ 3037.061564] [] ? do_async_page_fault+0x31/0x63 [ 3037.061573] [] ? async_page_fault+0x28/0x30 [ 3037.061579] [] ? copy_mount_options+0x1d7/0x24d [ 3037.061586] [] ? copy_mount_options+0x23d/0x24d [ 3037.061592] [] ? copy_mount_options+0x19d/0x24d [ 3037.061599] [] SyS_mount+0xa3/0xda [ 3037.061607] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3037.061610] ================================================================================ [ 3037.061613] ================================================================================ [ 3037.061617] UBSAN: Undefined behaviour in fs/devpts/inode.c:455:14 [ 3037.061620] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3037.061622] which requires 64 byte alignment [ 3037.061628] CPU: 3 PID: 562 Comm: mount Tainted: G L 4.8.11 #1 [ 3037.061631] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3037.061639] 00000000ffffffff 00000000940bf9db ffff88009e3cfb68 ffffffffb26ec5cc [ 3037.061671] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3037.061678] 0020000000000010 ffff88009e3cfb90 ffff88009e3cfb40 ffffffffb363c3e0 [ 3037.061679] Call Trace: [ 3037.061686] [] dump_stack+0xd7/0x132 [ 3037.061693] [] ? arch_local_irq_restore+0x1b/0x1b [ 3037.061700] [] ubsan_epilogue+0x12/0x53 [ 3037.061707] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3037.061714] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3037.061722] [] devpts_mount+0xa51/0xa77 [ 3037.061729] [] ? devpts_show_options+0x20a/0x20a [ 3037.061735] [] mount_fs+0xd0/0x2ca [ 3037.061743] [] vfs_kern_mount+0xa0/0x20a [ 3037.061749] [] do_mount+0x11fe/0x19df [ 3037.061755] [] ? copy_mount_string+0x3d/0x3d [ 3037.061761] [] ? do_async_page_fault+0x31/0x63 [ 3037.061769] [] ? async_page_fault+0x28/0x30 [ 3037.061776] [] ? copy_mount_options+0x1d7/0x24d [ 3037.061782] [] ? copy_mount_options+0x23d/0x24d [ 3037.064319] [] ? copy_mount_options+0x19d/0x24d [ 3037.064332] [] SyS_mount+0xa3/0xda [ 3037.064341] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3037.064345] ================================================================================ [ 3037.064407] ================================================================================ [ 3037.064412] UBSAN: Undefined behaviour in fs/devpts/inode.c:133:11 [ 3037.064416] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3037.064418] which requires 64 byte alignment [ 3037.064424] CPU: 3 PID: 562 Comm: mount Tainted: G L 4.8.11 #1 [ 3037.064428] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3037.064439] 00000000ffffffff 00000000940bf9db ffff88009e3cfb68 ffffffffb26ec5cc [ 3037.064461] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3037.064468] ffffffff00000010 ffff88009e3cfb90 ffff88009e3cfb40 ffffffffb363c3e0 [ 3037.064469] Call Trace: [ 3037.064479] [] dump_stack+0xd7/0x132 [ 3037.064486] [] ? arch_local_irq_restore+0x1b/0x1b [ 3037.064493] [] ubsan_epilogue+0x12/0x53 [ 3037.064500] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3037.064508] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3037.064515] [] devpts_mount+0x557/0xa77 [ 3037.064523] [] ? devpts_show_options+0x20a/0x20a [ 3037.064530] [] mount_fs+0xd0/0x2ca [ 3037.064538] [] vfs_kern_mount+0xa0/0x20a [ 3037.064544] [] do_mount+0x11fe/0x19df [ 3037.064550] [] ? copy_mount_string+0x3d/0x3d [ 3037.064557] [] ? do_async_page_fault+0x31/0x63 [ 3037.064566] [] ? async_page_fault+0x28/0x30 [ 3037.064572] [] ? copy_mount_options+0x1d7/0x24d [ 3037.064579] [] ? copy_mount_options+0x23d/0x24d [ 3037.064585] [] ? copy_mount_options+0x19d/0x24d [ 3037.064590] [] SyS_mount+0xa3/0xda [ 3037.064599] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3037.064602] ================================================================================ [ 3037.064604] ================================================================================ [ 3037.064608] UBSAN: Undefined behaviour in fs/devpts/inode.c:272:17 [ 3037.064612] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3037.064614] which requires 64 byte alignment [ 3037.064620] CPU: 3 PID: 562 Comm: mount Tainted: G L 4.8.11 #1 [ 3037.064623] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3037.064631] 00000000ffffffff 00000000940bf9db ffff88009e3cfb68 ffffffffb26ec5cc [ 3037.064638] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3037.064645] ffffffff00000010 ffff88009e3cfb90 ffff88009e3cfb40 ffffffffb363c3e0 [ 3037.064646] Call Trace: [ 3037.064653] [] dump_stack+0xd7/0x132 [ 3037.064660] [] ? arch_local_irq_restore+0x1b/0x1b [ 3037.064667] [] ubsan_epilogue+0x12/0x53 [ 3037.064674] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3037.064709] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3037.064723] [] devpts_mount+0x594/0xa77 [ 3037.064745] [] ? devpts_show_options+0x20a/0x20a [ 3037.064759] [] mount_fs+0xd0/0x2ca [ 3037.064773] [] vfs_kern_mount+0xa0/0x20a [ 3037.064783] [] do_mount+0x11fe/0x19df [ 3037.064793] [] ? copy_mount_string+0x3d/0x3d [ 3037.064804] [] ? do_async_page_fault+0x31/0x63 [ 3037.064819] [] ? async_page_fault+0x28/0x30 [ 3037.064831] [] ? copy_mount_options+0x1d7/0x24d [ 3037.064842] [] ? copy_mount_options+0x23d/0x24d [ 3037.064853] [] ? copy_mount_options+0x19d/0x24d [ 3037.064864] [] SyS_mount+0xa3/0xda [ 3037.064879] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3037.064884] ================================================================================ [ 3037.064888] ================================================================================ [ 3037.064895] UBSAN: Undefined behaviour in fs/devpts/inode.c:133:11 [ 3037.064902] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3037.064905] which requires 64 byte alignment [ 3037.064915] CPU: 3 PID: 562 Comm: mount Tainted: G L 4.8.11 #1 [ 3037.064921] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3037.064937] 00000000ffffffff 00000000940bf9db ffff88009e3cfb68 ffffffffb26ec5cc [ 3037.064950] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3037.064962] ffffffff00000010 ffff88009e3cfb90 ffff88009e3cfb40 ffffffffb363c3e0 [ 3037.064964] Call Trace: [ 3037.064977] [] dump_stack+0xd7/0x132 [ 3037.064990] [] ? arch_local_irq_restore+0x1b/0x1b [ 3037.065002] [] ubsan_epilogue+0x12/0x53 [ 3037.065028] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3037.065042] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3037.065056] [] devpts_mount+0x5ba/0xa77 [ 3037.065069] [] ? devpts_show_options+0x20a/0x20a [ 3037.065081] [] mount_fs+0xd0/0x2ca [ 3037.065094] [] vfs_kern_mount+0xa0/0x20a [ 3037.065117] [] do_mount+0x11fe/0x19df [ 3037.065128] [] ? copy_mount_string+0x3d/0x3d [ 3037.065139] [] ? do_async_page_fault+0x31/0x63 [ 3037.065152] [] ? async_page_fault+0x28/0x30 [ 3037.065163] [] ? copy_mount_options+0x1d7/0x24d [ 3037.065173] [] ? copy_mount_options+0x23d/0x24d [ 3037.065183] [] ? copy_mount_options+0x19d/0x24d [ 3037.065189] [] SyS_mount+0xa3/0xda [ 3037.065197] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3037.065201] ================================================================================ [ 3037.065295] ================================================================================ [ 3037.065314] UBSAN: Undefined behaviour in fs/devpts/inode.c:464:9 [ 3037.065322] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3037.065325] which requires 64 byte alignment [ 3037.065346] CPU: 3 PID: 562 Comm: mount Tainted: G L 4.8.11 #1 [ 3037.065352] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3037.065369] 00000000ffffffff 00000000940bf9db ffff88009e3cfb68 ffffffffb26ec5cc [ 3037.065382] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3037.065407] 0000000000000010 ffff88009e3cfb90 ffff88009e3cfb40 ffffffffb363c3e0 [ 3037.065409] Call Trace: [ 3037.065433] [] dump_stack+0xd7/0x132 [ 3037.065447] [] ? arch_local_irq_restore+0x1b/0x1b [ 3037.065480] [] ubsan_epilogue+0x12/0x53 [ 3037.065495] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3037.065510] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3037.065524] [] devpts_mount+0x9bc/0xa77 [ 3037.065538] [] ? devpts_show_options+0x20a/0x20a [ 3037.065561] [] mount_fs+0xd0/0x2ca [ 3037.065617] [] vfs_kern_mount+0xa0/0x20a [ 3037.065629] [] do_mount+0x11fe/0x19df [ 3037.065641] [] ? copy_mount_string+0x3d/0x3d [ 3037.065663] [] ? do_async_page_fault+0x31/0x63 [ 3037.065690] [] ? async_page_fault+0x28/0x30 [ 3037.065713] [] ? copy_mount_options+0x1d7/0x24d [ 3037.065736] [] ? copy_mount_options+0x23d/0x24d [ 3037.065748] [] ? copy_mount_options+0x19d/0x24d [ 3037.065759] [] SyS_mount+0xa3/0xda [ 3037.065774] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3037.065780] ================================================================================ [ 3037.086785] ================================================================================ [ 3037.086791] UBSAN: Undefined behaviour in fs/devpts/inode.c:160:32 [ 3037.086796] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3037.086798] which requires 64 byte alignment [ 3037.086805] CPU: 2 PID: 182 Comm: startpar Tainted: G L 4.8.11 #1 [ 3037.086808] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3037.086819] 00000000ffffffff 000000002ffda90b ffff8800a05ef7f0 ffffffffb26ec5cc [ 3037.086826] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3037.086833] 0000000000000010 ffff8800a05ef818 ffff8800a05ef7c8 ffffffffb363c3e0 [ 3037.086834] Call Trace: [ 3037.086845] [] dump_stack+0xd7/0x132 [ 3037.086853] [] ? arch_local_irq_restore+0x1b/0x1b [ 3037.086860] [] ubsan_epilogue+0x12/0x53 [ 3037.086867] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3037.086874] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3037.086881] [] ? pty_write_room+0xb4/0xb4 [ 3037.086889] [] devpts_acquire+0x1d1/0x25e [ 3037.086896] [] ? devpts_mount+0xa77/0xa77 [ 3037.086901] [] ptmx_open+0x96/0x2df [ 3037.086907] [] ? pty_write_room+0xb4/0xb4 [ 3037.086914] [] chrdev_open+0x44e/0x4ae [ 3037.086920] [] ? cdev_put+0x59/0x59 [ 3037.086926] [] ? break_lease+0xf3/0x102 [ 3037.086932] [] ? cdev_put+0x59/0x59 [ 3037.086939] [] do_dentry_open+0x775/0xa9a [ 3037.086945] [] vfs_open+0x1a5/0x1be [ 3037.086952] [] path_openat+0x1f94/0x2525 [ 3037.086960] [] ? kasan_slab_alloc+0x12/0x14 [ 3037.086970] [] ? do_sys_open+0xb2/0x342 [ 3037.086981] [] ? SyS_open+0x32/0x39 [ 3037.086992] [] ? may_open+0x1c0/0x1c0 [ 3037.087003] [] ? deactivate_slab+0x53d/0x566 [ 3037.087031] [] ? getname_flags+0x4f/0x2e0 [ 3037.087054] [] ? init_object+0x1d6/0x1e2 [ 3037.087068] [] ? expand_files+0x68a/0x6d7 [ 3037.087082] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3037.087095] [] do_filp_open+0xe2/0x18c [ 3037.087107] [] ? path_openat+0x2525/0x2525 [ 3037.087120] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3037.087145] [] ? __alloc_fd+0x43d/0x47f [ 3037.087159] [] ? exit_files+0xaa/0xaa [ 3037.087172] [] do_sys_open+0xf5/0x342 [ 3037.087196] [] ? do_sys_open+0xf5/0x342 [ 3037.087209] [] ? __do_page_fault+0x6d3/0x96b [ 3037.087219] [] ? filp_open+0x68/0x68 [ 3037.087226] [] SyS_open+0x32/0x39 [ 3037.087235] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3037.087238] ================================================================================ [ 3037.087241] ================================================================================ [ 3037.087245] UBSAN: Undefined behaviour in fs/devpts/inode.c:133:11 [ 3037.087249] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3037.087250] which requires 64 byte alignment [ 3037.087256] CPU: 2 PID: 182 Comm: startpar Tainted: G L 4.8.11 #1 [ 3037.087259] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3037.087268] 00000000ffffffff 000000002ffda90b ffff8800a05ef7f0 ffffffffb26ec5cc [ 3037.087275] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3037.087282] 0000000000000010 ffff8800a05ef818 ffff8800a05ef7c8 ffffffffb363c3e0 [ 3037.087283] Call Trace: [ 3037.087290] [] dump_stack+0xd7/0x132 [ 3037.087297] [] ? arch_local_irq_restore+0x1b/0x1b [ 3037.087303] [] ubsan_epilogue+0x12/0x53 [ 3037.087311] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3037.087318] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3037.087324] [] ? pty_write_room+0xb4/0xb4 [ 3037.087331] [] devpts_acquire+0x205/0x25e [ 3037.087338] [] ? devpts_mount+0xa77/0xa77 [ 3037.087344] [] ptmx_open+0x96/0x2df [ 3037.087350] [] ? pty_write_room+0xb4/0xb4 [ 3037.087356] [] chrdev_open+0x44e/0x4ae [ 3037.087362] [] ? cdev_put+0x59/0x59 [ 3037.087368] [] ? break_lease+0xf3/0x102 [ 3037.087374] [] ? cdev_put+0x59/0x59 [ 3037.087380] [] do_dentry_open+0x775/0xa9a [ 3037.087387] [] vfs_open+0x1a5/0x1be [ 3037.087393] [] path_openat+0x1f94/0x2525 [ 3037.087400] [] ? kasan_slab_alloc+0x12/0x14 [ 3037.087407] [] ? do_sys_open+0xb2/0x342 [ 3037.087414] [] ? SyS_open+0x32/0x39 [ 3037.087420] [] ? may_open+0x1c0/0x1c0 [ 3037.087426] [] ? deactivate_slab+0x53d/0x566 [ 3037.087432] [] ? getname_flags+0x4f/0x2e0 [ 3037.087438] [] ? init_object+0x1d6/0x1e2 [ 3037.087445] [] ? expand_files+0x68a/0x6d7 [ 3037.087452] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3037.087459] [] do_filp_open+0xe2/0x18c [ 3037.087465] [] ? path_openat+0x2525/0x2525 [ 3037.087472] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3037.087479] [] ? __alloc_fd+0x43d/0x47f [ 3037.087485] [] ? exit_files+0xaa/0xaa [ 3037.087493] [] do_sys_open+0xf5/0x342 [ 3037.087499] [] ? do_sys_open+0xf5/0x342 [ 3037.087505] [] ? __do_page_fault+0x6d3/0x96b [ 3037.087512] [] ? filp_open+0x68/0x68 [ 3037.087519] [] SyS_open+0x32/0x39 [ 3037.087527] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3037.087530] ================================================================================ udevd[366]: timeout '/sbin/blkid -o udev -p /dev/ram13' udevd[350]: time[ 3054.790806] ================================================================================ [ 3054.941689] UBSAN: Undefined behaviour in fs/devpts/inode.c:552:7 [ 3055.015731] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' out '/sbin/blkid -o udev -p /dev/loop7' udevd[381]: timeout: killing 'net.agent' [436] udevd[324]: timeout '/sbin/blkid -o udev -p /dev/loop5' udevd[309]: timeout 'cdrom_id --lock-media /dev/sr0' udevd[369]: timeout '/sbin/blkid -o udev -p /dev/ram2' [ 3055.131056] which requires 64 byte alignment [ 3055.626870] CPU: 2 PID: 182 Comm: startpar Tainted: G L 4.8.11 #1 [ 3055.746907] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3055.838274] 00000000ffffffff 000000002ffda90b ffff8800a05ef7c8 ffffffffb26ec5cc [ 3055.903780] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3055.985536] 0000000000000010 ffff8800a05ef7f0 ffff8800a05ef7a0 ffffffffb363c3e0 [ 3056.062174] Call Trace: [ 3056.079186] [] dump_stack+0xd7/0x132 [ 3056.129525] [] ? arch_local_irq_restore+0x1b/0x1b [ 3056.189642] [] ubsan_epilogue+0x12/0x53 [ 3056.237067] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3056.300028] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3056.370054] [] devpts_pty_new+0xca/0x62b [ 3056.415742] [] ? devpts_kill_index+0x62/0x62 [ 3056.463924] [] ? queued_spin_unlock+0xe/0x1b [ 3056.529216] [] ptmx_open+0x199/0x2df [ 3056.567982] [] ? pty_write_room+0xb4/0xb4 [ 3056.636818] [] chrdev_open+0x44e/0x4ae [ 3056.702052] [] ? cdev_put+0x59/0x59 [ 3056.754160] [] ? break_lease+0xf3/0x102 [ 3056.816769] [] ? cdev_put+0x59/0x59 [ 3056.875015] [] do_dentry_open+0x775/0xa9a [ 3056.928587] [] vfs_open+0x1a5/0x1be [ 3056.984401] [] path_openat+0x1f94/0x2525 [ 3057.046923] [] ? kasan_slab_alloc+0x12/0x14 [ 3057.108945] [] ? do_sys_open+0xb2/0x342 [ 3057.160140] [] ? SyS_open+0x32/0x39 [ 3057.225375] [] ? may_open+0x1c0/0x1c0 [ 3057.286536] [] ? deactivate_slab+0x53d/0x566 [ 3057.341164] [] ? getname_flags+0x4f/0x2e0 [ 3057.393362] [] ? init_object+0x1d6/0x1e2 [ 3057.443985] [] ? expand_files+0x68a/0x6d7 [ 3057.488886] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3057.548263] [] do_filp_open+0xe2/0x18c [ 3057.604017] [] ? path_openat+0x2525/0x2525 [ 3057.667157] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3057.736810] [] ? __alloc_fd+0x43d/0x47f [ 3057.798604] [] ? exit_files+0xaa/0xaa [ 3057.852880] [] do_sys_open+0xf5/0x342 [ 3057.916793] [] ? do_sys_open+0xf5/0x342 [ 3057.964951] [] ? __do_page_fault+0x6d3/0x96b [ 3058.024267] [] ? filp_open+0x68/0x68 [ 3058.079289] [] SyS_open+0x32/0x39 [ 3058.121210] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3058.180519] ================================================================================ udevd[371]: time[ 3058.278017] ================================================================================ [ 3058.358205] UBSAN: Undefined behaviour in fs/libfs.c:35:28 [ 3058.411735] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3058.498282] which requires 64 byte alignment [ 3058.544979] CPU: 2 PID: 182 Comm: startpar Tainted: G L 4.8.11 #1 [ 3058.624101] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3058.724454] 00000000ffffffff 000000002ffda90b ffff8800a05efc60 ffffffffb26ec5cc [ 3058.801015] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3058.891592] ffffffff00000010 ffff8800a05efc88 ffff8800a05efc38 ffffffffb363c3e0 [ 3058.972982] Call Trace: [ 3059.006435] [] dump_stack+0xd7/0x132 [ 3059.055381] [] ? arch_local_irq_restore+0x1b/0x1b [ 3059.169583] [] ubsan_epilogue+0x12/0x53 [ 3059.271478] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3059.341696] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3059.420572] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3059.506646] [] ? getname_flags+0x4f/0x2e0 [ 3059.552235] [] simple_statfs+0x5a/0xe8 [ 3059.610392] [] statfs_by_dentry+0x14b/0x1db [ 3059.652953] [] vfs_statfs+0x4b/0x1e1 [ 3059.715563] [] user_statfs+0xa4/0x105 [ 3059.765096] [] ? vfs_statfs+0x1e1/0x1e1 [ 3059.825331] [] SYSC_statfs+0x85/0xe9 [ 3059.876688] [] ? user_statfs+0x105/0x105 [ 3059.942823] [] SyS_statfs+0x27/0x29 [ 3060.007120] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3060.085414] ================================================================================ out '/sbin/blkid -o udev -p /dev/ram4' udevd[318]: time[ 3060.200736] ================================================================================ [ 3060.323225] UBSAN: Undefined behaviour in fs/devpts/inode.c:601:2 [ 3060.360910] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3060.418619] which requires 64 byte alignment [ 3060.446192] CPU: 2 PID: 182 Comm: startpar Tainted: G L 4.8.11 #1 [ 3060.489687] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3060.554645] 00000000ffffffff 000000002ffda90b ffff8800a05efc98 ffffffffb26ec5cc [ 3060.603914] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3060.649060] ffffffff00000010 ffff8800a05efcc0 ffff8800a05efc70 ffffffffb363c3e0 [ 3060.721480] Call Trace: [ 3060.743601] [] dump_stack+0xd7/0x132 [ 3060.785760] [] ? arch_local_irq_restore+0x1b/0x1b [ 3060.825358] [] ubsan_epilogue+0x12/0x53 [ 3060.873231] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3060.922307] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3060.974642] [] ? __wake_up_common+0x75/0x14f [ 3061.021074] [] devpts_pty_kill+0x54/0x127 [ 3061.066109] [] pty_close+0x3f5/0x446 [ 3061.100802] [] ? pty_flush_buffer+0x126/0x126 [ 3061.140211] [] tty_release+0x709/0xec9 [ 3061.176885] [] ? ioctl_preallocate+0x209/0x209 [ 3061.223008] [] ? session_clear_tty+0xc0/0xc0 [ 3061.267766] [] __fput+0x38b/0x68b [ 3061.303875] [] ____fput+0x1c/0x1e [ 3061.340433] [] task_work_run+0x11e/0x140 [ 3061.379576] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3061.426718] [] syscall_return_slowpath+0x1b4/0x247 [ 3061.471254] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3061.514843] ================================================================================ out '/sbin/blkid -o udev -p /dev/loop1' udevd[313]: timeout '/sbin/blkid -o udev -p /dev/ram0' [ 3061.680059] ================================================================================ [ 3061.764279] UBSAN: Undefined behaviour in fs/devpts/inode.c:588:18 [ 3061.804069] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3061.867857] which requires 64 byte alignment [ 3061.897574] CPU: 3 PID: 563 Comm: startpar Tainted: G L 4.8.11 #1 [ 3061.947481] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3062.011074] 00000000ffffffff 00000000355eefe0 ffff88009d01f7b0 ffffffffb26ec5cc [ 3062.064434] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3062.122676] ffffffff00000010 ffff88009d01f7d8 ffff88009d01f788 ffffffffb363c3e0 [ 3062.180289] Call Trace: [ 3062.199471] [] dump_stack+0xd7/0x132 [ 3062.235423] [] ? arch_local_irq_restore+0x1b/0x1b [ 3062.277783] [] ubsan_epilogue+0x12/0x53 [ 3062.315017] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3062.360699] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3062.408230] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3062.455542] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3062.507923] [] ? pty_unix98_remove+0x148/0x148 [ 3062.550659] [] devpts_get_priv+0x56/0xa8 [ 3062.584009] [] pts_unix98_lookup+0x49/0x71 [ 3062.625048] [] tty_open+0x536/0xbb2 [ 3062.666295] [] ? tty_init_dev+0x428/0x428 [ 3062.710857] [] ? mount_fs+0x2ca/0x2ca [ 3062.747026] [] ? tty_init_dev+0x428/0x428 [ 3062.780776] [] chrdev_open+0x44e/0x4ae [ 3062.822696] [] ? cdev_put+0x59/0x59 [ 3062.860708] [] ? break_lease+0xf3/0x102 [ 3062.903649] [] ? cdev_put+0x59/0x59 [ 3062.937668] [] do_dentry_open+0x775/0xa9a [ 3062.982277] [] vfs_open+0x1a5/0x1be [ 3063.012867] [] path_openat+0x1f94/0x2525 [ 3063.052173] [] ? kasan_slab_alloc+0x12/0x14 [ 3063.095284] [] ? do_sys_open+0xb2/0x342 [ 3063.132141] [] ? SyS_open+0x32/0x39 [ 3063.164098] [] ? may_open+0x1c0/0x1c0 [ 3063.202717] [] ? deactivate_slab+0x53d/0x566 [ 3063.240311] [] ? getname_flags+0x4f/0x2e0 [ 3063.279952] [] ? init_object+0x1d6/0x1e2 [ 3063.318663] [] ? expand_files+0x68a/0x6d7 [ 3063.361186] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3063.410309] [] do_filp_open+0xe2/0x18c [ 3063.448368] [] ? path_openat+0x2525/0x2525 [ 3063.491738] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3063.534762] [] ? __alloc_fd+0x43d/0x47f [ 3063.567083] [] ? exit_files+0xaa/0xaa [ 3063.603858] [] do_sys_open+0xf5/0x342 [ 3063.641695] [] ? do_sys_open+0xf5/0x342 [ 3063.687105] [] ? __close_fd+0x1d9/0x21b [ 3063.724429] [] ? filp_open+0x68/0x68 [ 3063.764666] [] ? fd_install+0x60/0x60 [ 3063.799204] [] SyS_open+0x32/0x39 [ 3063.834589] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3063.889015] ================================================================================ udevd[363]: timeout '/sbin/blkid -o udev -p /dev/ram11' udevd[326]: timeout '/sbin/blkid -o udev -p /dev/loop6' udevd[316]: timeout '/sbin/blkid -o udev -p /dev/loop0' udevd[376]: timeout '/sbin/blkid -o udev -p /dev/ram9' udevd[367]: timeout '/sbin/blkid -o udev -p /dev/ram14' udevd[362]: timeout '/sbin/blkid -o udev -p /dev/ram10' udevd[365]: timeout '/sbin/blkid -o udev -p /dev/ram12' udevd[372]: timeout '/sbin/blkid -o udev -p /dev/ram5' udevd[374]: timeout '/sbin/blkid -o udev -p /dev/ram7' udevd[370]: timeout '/sbin/blkid -o udev -p /dev/ram3' udevd[368]: timeout '/sbin/blkid -o udev -p /dev/ram15' udevd[373]: timeout '/sbin/blkid -o udev -p /dev/ram6' udevd[319]: timeout '/sbin/blkid -o udev -p /dev/loop2' udevd[353]: timeout '/sbin/blkid -o udev -p /dev/ram1' udevd[323]: timeout '/sbin/blkid -o udev -p /dev/loop4' udevd[320]: timeout '/sbin/blkid -o udev -p /dev/loop3' udevd[377]: timeout: killing '/sbin/modprobe -b dmi:bvnSeaBIOS:bvrUbuntu-1.8.2-1ubuntu2:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-yakkety:cvnQEMU:ct1:cvrpc-i440fx-yakkety:' [453] udevd[325]: timeout 'edd_id --export /dev/sda' udevd[375]: timeout '/sbin/blkid -o udev -p /dev/ram8' udevd[325]: timeout 'scsi_id --whitelisted --replace-whitespace -p0x80 -d/dev/sda' udevd[309]: timeout 'ata_id --export /dev/sr0' [ 3065.991997] ================================================================================ [ 3066.055005] UBSAN: Undefined behaviour in kernel/workqueue.c:1264:3 [ 3066.095062] member access within misaligned address ffff8800a390cad8 for type 'struct worker_pool' [ 3066.152512] which requires 64 byte alignment [ 3066.169572] CPU: 3 PID: 570 Comm: scsi_id Tainted: G L 4.8.11 #1 [ 3066.213129] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3066.267916] 00000000ffffffff 00000000ea26424a ffff88005b377568 ffffffffb26ec5cc [ 3066.313790] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3066.370193] 00007ffc00000010 ffff88005b377590 ffff88005b377540 ffffffffb363c3e0 [ 3066.443339] Call Trace: [ 3066.472464] [] dump_stack+0xd7/0x132 [ 3066.545107] [] ? arch_local_irq_restore+0x1b/0x1b [ 3066.644964] [] ubsan_epilogue+0x12/0x53 [ 3066.644977] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3066.644990] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3066.645005] [] ? pwq_dec_nr_in_flight+0x37a/0x386 [ 3066.645018] [] try_to_grab_pending+0x178/0x22f [ 3066.645031] [] __cancel_work_timer+0xce/0x2eb [ 3066.645059] [] ? cancel_delayed_work+0x178/0x178 [ 3066.645073] [] ? mutex_set_owner+0x8e/0xc6 [ 3066.645086] [] ? mutex_unlock+0x9d/0xce [ 3066.645098] [] ? ww_mutex_unlock+0x1bf/0x1bf [ 3066.645122] [] ? get_disk+0xe3/0xe3 [ 3066.645135] [] ? mutex_set_owner+0x8e/0xc6 [ 3066.645149] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3066.645160] [] ? kobj_lookup+0x413/0x425 [ 3066.645168] [] cancel_delayed_work_sync+0x21/0x23 [ 3066.645178] [] disk_block_events+0x126/0x148 [ 3066.645190] [] __blkdev_get+0x207/0xf8a [ 3066.645214] [] ? bdev_dax_capable+0x154/0x154 [ 3066.645226] [] ? fsnotify+0x920/0xa6a [ 3066.645238] [] ? blkdev_get_by_dev+0x66/0x66 [ 3066.645248] [] blkdev_get+0x3b2/0x796 [ 3066.645258] [] ? __blkdev_get+0xf8a/0xf8a [ 3066.645269] [] ? blkdev_get_by_dev+0x66/0x66 [ 3066.645280] [] blkdev_open+0x369/0x380 [ 3066.645290] [] ? do_dentry_open+0x71e/0xa9a [ 3066.645301] [] ? blkdev_get_by_dev+0x66/0x66 [ 3066.645313] [] do_dentry_open+0x775/0xa9a [ 3066.645324] [] vfs_open+0x1a5/0x1be [ 3066.645335] [] path_openat+0x1f94/0x2525 [ 3066.645348] [] ? kasan_slab_alloc+0x12/0x14 [ 3066.645360] [] ? do_sys_open+0xb2/0x342 [ 3066.645370] [] ? SyS_open+0x32/0x39 [ 3066.645379] [] ? may_open+0x1c0/0x1c0 [ 3066.645389] [] ? deactivate_slab+0x53d/0x566 [ 3066.645398] [] ? getname_flags+0x4f/0x2e0 [ 3066.645408] [] ? init_object+0x1d6/0x1e2 [ 3066.645419] [] ? expand_files+0x68a/0x6d7 [ 3066.645431] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3066.645441] [] do_filp_open+0xe2/0x18c [ 3066.645466] [] ? path_openat+0x2525/0x2525 [ 3066.645478] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3066.645489] [] ? __alloc_fd+0x43d/0x47f [ 3066.645500] [] ? exit_files+0xaa/0xaa [ 3066.645511] [] do_sys_open+0xf5/0x342 [ 3066.645521] [] ? do_sys_open+0xf5/0x342 [ 3066.645532] [] ? filp_open+0x68/0x68 [ 3066.645556] [] SyS_open+0x32/0x39 [....] [ 3066.645571] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3066.645577] ================================================================================ Activating swap...udevd[309]: timeout: killing 'ata_id --export /dev/sr0' [577] udevd[325]: timeout: killing 'scsi_id --whitelisted --replace-whitespace -p0x80 -d/dev/sda' [570] udevd[325]: timeout '/sbin/blkid -o udev -p /dev/sda' udevd[309]: timeout 'scsi_id --export --whitelisted --device=/dev/sr0' [?25l[?1c7udevd[309]: timeout 'write_cd_rules' [ ok 8[?25h[?0cdone. [ 3069.954742] ================================================================================ [ 3070.052246] UBSAN: Undefined behaviour in fs/namespace.c:2256:12 [ 3070.109088] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3070.207067] which requires 64 byte alignment [ 3070.246658] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3070.314954] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3070.402748] 00000000ffffffff 000000000f73d42b ffff88009f027cc0 ffffffffb26ec5cc [ 3070.461749] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3070.489050] 0000000000000010 ffff88009f027ce8 ffff88009f027c98 ffffffffb363c3e0 [ 3070.516148] Call Trace: [ 3070.523315] [] dump_stack+0xd7/0x132 [ 3070.539938] [] ? arch_local_irq_restore+0x1b/0x1b [ 3070.560469] [] ubsan_epilogue+0x12/0x53 [ 3070.577559] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3070.600554] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3070.624864] [] ? __down_timeout+0x18/0x18 [ 3070.643315] [] do_mount+0x748/0x19df [ 3070.662248] [] ? kasan_kmalloc+0x94/0xa3 [ 3070.676668] [] ? copy_mount_string+0x3d/0x3d [ 3070.696414] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3070.718672] [] ? __check_object_size+0x1e1/0x2b8 [ 3070.737178] [] ? 0xffffffffb1c002b8 [ 3070.764657] [] ? copy_mount_options+0x23d/0x24d [ 3070.786410] [] SyS_mount+0xa3/0xda [ 3070.805594] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3070.825239] ================================================================================ [ 3070.853107] ================================================================================ [ 3070.904924] UBSAN: Undefined behaviour in fs/inode.c:1465:18 [ 3070.940045] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3070.995184] which requires 64 byte alignment [ 3071.020629] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3071.067232] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3071.119354] 00000000ffffffff 000000000f73d42b ffff88009f027968 ffffffffb26ec5cc [ 3071.161736] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3071.219324] 0000000000000010 ffff88009f027990 ffff88009f027940 ffffffffb363c3e0 [ 3071.268464] Call Trace: [ 3071.284416] [] dump_stack+0xd7/0x132 [ 3071.319420] [] ? arch_local_irq_restore+0x1b/0x1b [ 3071.357026] [] ubsan_epilogue+0x12/0x53 [ 3071.391890] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3071.433689] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3071.472836] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 3071.517653] [] iput+0x2e5/0x6be [ 3071.545051] [] dentry_unlink_inode+0x471/0x4b9 [ 3071.587721] [] ? d_genocide+0x2a/0x2a [ 3071.620337] [] ? d_genocide_kill+0x168/0x168 [ 3071.666950] [] ? __list_del_entry+0x20c/0x242 [ 3071.704689] [] ? __list_add+0x249/0x249 [ 3071.738615] [] __dentry_kill+0x33d/0x4c5 [ 3071.771422] [] shrink_dentry_list+0x371/0x52d [ 3071.804728] [] ? d_prune_aliases+0x188/0x188 [ 3071.840732] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3071.888340] [] shrink_dcache_sb+0x154/0x1a1 [ 3071.922427] [] ? shrink_dentry_list+0x52d/0x52d [ 3071.957202] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3072.007051] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3072.049075] [] do_remount_sb+0x1f4/0x50c [ 3072.087316] [] do_mount+0x796/0x19df [ 3072.121984] [] ? kasan_kmalloc+0x94/0xa3 [ 3072.151617] [] ? copy_mount_string+0x3d/0x3d [ 3072.187861] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3072.230417] [] ? __check_object_size+0x1e1/0x2b8 [ 3072.265636] [] ? 0xffffffffb1c002b8 [ 3072.295046] [] ? copy_mount_options+0x23d/0x24d [ 3072.337787] [] SyS_mount+0xa3/0xda [ 3072.365599] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3072.407179] ================================================================================ [ 3072.456418] ================================================================================ [ 3072.506984] UBSAN: Undefined behaviour in fs/inode.c:417:50 [ 3072.540142] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3072.599007] which requires 64 byte alignment [ 3072.624413] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3072.670119] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3072.730817] 00000000ffffffff 000000000f73d42b ffff88009f027940 ffffffffb26ec5cc [ 3072.774459] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3072.826696] fffffbff00000010 ffff88009f027968 ffff88009f027918 ffffffffb363c3e0 [ 3072.882746] Call Trace: [ 3072.898811] [] dump_stack+0xd7/0x132 [ 3072.928029] [] ? arch_local_irq_restore+0x1b/0x1b [ 3072.973472] [] ubsan_epilogue+0x12/0x53 [ 3073.014816] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3073.060947] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3073.109416] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3073.151041] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3073.192979] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 3073.240525] [] inode_add_lru+0xcd/0x131 [ 3073.275523] [] iput+0x3cc/0x6be [ 3073.309096] [] dentry_unlink_inode+0x471/0x4b9 [ 3073.347167] [] ? d_genocide+0x2a/0x2a [ 3073.373072] [] ? d_genocide_kill+0x168/0x168 [ 3073.422810] [] ? __list_del_entry+0x20c/0x242 [ 3073.462991] [] ? __list_add+0x249/0x249 [ 3073.495528] [] __dentry_kill+0x33d/0x4c5 [ 3073.538587] [] shrink_dentry_list+0x371/0x52d [ 3073.570847] [] ? d_prune_aliases+0x188/0x188 [ 3073.610349] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3073.657352] [] shrink_dcache_sb+0x154/0x1a1 [ 3073.691559] [] ? shrink_dentry_list+0x52d/0x52d [ 3073.727933] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3073.782304] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3073.823959] [] do_remount_sb+0x1f4/0x50c [ 3073.865597] [] do_mount+0x796/0x19df [ 3073.902257] [] ? kasan_kmalloc+0x94/0xa3 [ 3073.935478] [] ? copy_mount_string+0x3d/0x3d [ 3073.974290] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3074.017471] [] ? __check_object_size+0x1e1/0x2b8 [ 3074.059005] [] ? 0xffffffffb1c002b8 [ 3074.087328] [] ? copy_mount_options+0x23d/0x24d [ 3074.134600] [] SyS_mount+0xa3/0xda [ 3074.163673] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3074.199894] ================================================================================ [ 3074.259700] ================================================================================ [ 3074.317311] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3074.349219] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3074.410416] which requires 64 byte alignment [ 3074.438527] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3074.480805] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3074.540059] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3074.591689] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3074.643394] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3074.690969] Call Trace: [ 3074.708640] [] dump_stack+0xd7/0x132 [ 3074.736357] [] ? arch_local_irq_restore+0x1b/0x1b [ 3074.775877] [] ubsan_epilogue+0x12/0x53 [ 3074.808387] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3074.857009] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3074.911052] [] ? ext4_register_li_request+0x634/0x634 [ 3074.951307] [] ext4_remount+0xbb/0x1ade [ 3074.987105] [] ? shrink_dentry_list+0x4f1/0x52d [ 3075.031555] [] ? d_prune_aliases+0x188/0x188 [ 3075.075579] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3075.120758] [] ? ext4_register_li_request+0x634/0x634 [ 3075.165128] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3075.216745] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3075.266843] [] ? ext4_register_li_request+0x634/0x634 [ 3075.307266] [] do_remount_sb+0x2fd/0x50c [ 3075.360683] [] do_mount+0x796/0x19df [ 3075.412652] [] ? kasan_kmalloc+0x94/0xa3 [ 3075.449138] [] ? copy_mount_string+0x3d/0x3d [ 3075.487994] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3075.539369] [] ? __check_object_size+0x1e1/0x2b8 [ 3075.580749] [] ? 0xffffffffb1c002b8 [ 3075.618700] [] ? copy_mount_options+0x23d/0x24d [ 3075.654251] [] SyS_mount+0xa3/0xda [ 3075.685303] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3075.723738] ================================================================================ [ 3075.774125] ================================================================================ [ 3075.826036] UBSAN: Undefined behaviour in mm/shmem.c:133:11 [ 3075.862878] member access within misaligned address ffff8800a2fa1c10 for type 'struct super_block' [ 3075.927899] which requires 64 byte alignment [ 3075.952461] CPU: 0 PID: 325 Comm: udevd Tainted: G L 4.8.11 #1 [ 3076.005269] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3076.065053] 00000000ffffffff 00000000e1f41c1a ffff88009edff670 ffffffffb26ec5cc [ 3076.118724] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3076.171127] ffff880000000010 ffff88009edff698 ffff88009edff648 ffffffffb363c3e0 [ 3076.213221] Call Trace: [ 3076.234771] [] dump_stack+0xd7/0x132 [ 3076.272545] [] ? arch_local_irq_restore+0x1b/0x1b [ 3076.310808] [] ubsan_epilogue+0x12/0x53 [ 3076.346608] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3076.391282] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3076.433274] [] ? filemap_fault+0xc08/0xc08 [ 3076.470315] [] shmem_recalc_inode+0x10c/0x240 [ 3076.505037] [] shmem_undo_range+0xae5/0xb4b [ 3076.550442] [] ? shmem_write_begin+0x15b/0x15b [ 3076.589246] [] ? print_context_stack+0x109/0x1c7 [ 3076.636955] [] ? memcmp+0x59/0x7b [ 3076.664078] [] ? find_stack+0xb7/0xc6 [ 3076.702818] [] ? depot_save_stack+0x7da/0x7ff [ 3076.741749] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3076.793418] [] ? inode_switch_wbs_rcu_fn+0x16e/0x16e [ 3076.835097] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3076.879048] [] shmem_truncate_range+0x32/0x84 [ 3076.918412] [] shmem_evict_inode+0x1a3/0x4ff [ 3076.958431] [] ? shmem_truncate_range+0x84/0x84 [ 3077.000881] [] evict+0x304/0x524 [ 3077.023827] [] ? destroy_inode+0x168/0x168 [ 3077.061582] [] ? no_open+0x15/0x15 [ 3077.092658] [] iput+0x561/0x6be [ 3077.123034] [] dentry_unlink_inode+0x471/0x4b9 [ 3077.166797] [] ? d_genocide+0x2a/0x2a [ 3077.201038] [] ? __list_del_entry+0x20c/0x242 [ 3077.241078] [] ? __list_add+0x249/0x249 [ 3077.283491] [] __dentry_kill+0x33d/0x4c5 [ 3077.318631] [] dput+0x3f5/0x723 [ 3077.350719] [] SYSC_renameat2+0x67a/0x7a3 [ 3077.384610] [] ? SYSC_symlinkat+0x218/0x218 [ 3077.420145] [] ? tlb_finish_mmu+0xb3/0xc6 [ 3077.470638] [] ? kasan_slab_free+0x8a/0x96 [ 3077.507523] [] ? slab_free_freelist_hook+0x129/0x134 [ 3077.555017] [] ? __percpu_counter_add+0x180/0x18c [ 3077.593295] [] ? up_write+0x8c/0xd9 [ 3077.627285] [] ? down_write_trylock+0x100/0x100 [ 3077.668008] [] ? do_munmap+0x99c/0x9ae [ 3077.700686] [] SyS_rename+0x2c/0x31 [ 3077.733359] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3077.776469] ================================================================================ [ 3077.838026] ================================================================================ [ 3077.865627] UBSAN: Undefined behaviour in fs/ext4/super.c:4780:15 [ 3077.885557] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3077.912521] which requires 64 byte alignment [ 3077.927346] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3077.951677] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3077.980379] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3078.005533] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3078.034786] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3078.060467] Call Trace: [ 3078.068176] [] dump_stack+0xd7/0x132 [ 3078.084384] [] ? arch_local_irq_restore+0x1b/0x1b [ 3078.104896] [] ubsan_epilogue+0x12/0x53 [ 3078.121638] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3078.143098] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3078.167390] [] ext4_remount+0x117/0x1ade [ 3078.186495] [] ? shrink_dentry_list+0x4f1/0x52d [ 3078.205050] [] ? d_prune_aliases+0x188/0x188 [ 3078.222609] [] ? ext4_register_li_request+0x634/0x634 [ 3078.247586] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3078.280842] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3078.303555] [] ? ext4_register_li_request+0x634/0x634 [ 3078.326411] [] do_remount_sb+0x2fd/0x50c [ 3078.342873] [] do_mount+0x796/0x19df [ 3078.361320] [] ? kasan_kmalloc+0x94/0xa3 [ 3078.383523] [] ? copy_mount_string+0x3d/0x3d [ 3078.402956] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3078.424488] [] ? __check_object_size+0x1e1/0x2b8 [ 3078.451185] [] ? 0xffffffffb1c002b8 [ 3078.470546] [] ? copy_mount_options+0x23d/0x24d [ 3078.491106] [] SyS_mount+0xa3/0xda [ 3078.506968] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3078.528906] ================================================================================ [ 3078.554957] ================================================================================ [ 3078.583401] UBSAN: Undefined behaviour in fs/ext4/super.c:4781:28 [ 3078.601733] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3078.632713] which requires 64 byte alignment [ 3078.647172] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3078.669832] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3078.701474] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3078.725371] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3078.750836] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3078.776721] Call Trace: [ 3078.790668] [] dump_stack+0xd7/0x132 [ 3078.806578] [] ? arch_local_irq_restore+0x1b/0x1b [ 3078.828239] [] ubsan_epilogue+0x12/0x53 [ 3078.844221] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3078.869515] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3078.897497] [] ext4_remount+0x151/0x1ade [ 3078.913242] [] ? shrink_dentry_list+0x4f1/0x52d [ 3078.935515] [] ? ext4_register_li_request+0x634/0x634 [ 3078.957779] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3078.979667] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3079.003840] [] ? ext4_register_li_request+0x634/0x634 [ 3079.025255] [] do_remount_sb+0x2fd/0x50c [ 3079.040862] [] do_mount+0x796/0x19df [ 3079.057884] [] ? kasan_kmalloc+0x94/0xa3 [ 3079.072972] [] ? copy_mount_string+0x3d/0x3d [ 3079.094776] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3079.113658] [] ? __check_object_size+0x1e1/0x2b8 [ 3079.135510] [] ? 0xffffffffb1c002b8 [ 3079.151340] [] ? copy_mount_options+0x23d/0x24d [ 3079.170835] [] SyS_mount+0xa3/0xda [ 3079.188072] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3079.210914] ================================================================================ [ 3079.239154] ================================================================================ [ 3079.265220] UBSAN: Undefined behaviour in fs/ext4/super.c:4782:29 [ 3079.284684] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3079.312747] which requires 64 byte alignment [ 3079.329317] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3079.353305] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3079.383698] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3079.407538] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3079.432443] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3079.456892] Call Trace: [ 3079.465204] [] dump_stack+0xd7/0x132 [ 3079.484980] [] ? arch_local_irq_restore+0x1b/0x1b [ 3079.507026] [] ubsan_epilogue+0x12/0x53 [ 3079.523657] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3079.546744] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3079.571058] [] ext4_remount+0x186/0x1ade [ 3079.589416] [] ? shrink_dentry_list+0x4f1/0x52d [ 3079.609610] [] ? ext4_register_li_request+0x634/0x634 [ 3079.631795] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3079.655837] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3079.678316] [] ? ext4_register_li_request+0x634/0x634 [ 3079.701020] [] do_remount_sb+0x2fd/0x50c [ 3079.719269] [] do_mount+0x796/0x19df [ 3079.736927] [] ? kasan_kmalloc+0x94/0xa3 [ 3079.752334] [] ? copy_mount_string+0x3d/0x3d [ 3079.772463] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3079.790558] [] ? __check_object_size+0x1e1/0x2b8 [ 3079.810434] [] ? 0xffffffffb1c002b8 [ 3079.827887] [] ? copy_mount_options+0x23d/0x24d [ 3079.846995] [] SyS_mount+0xa3/0xda [ 3079.862533] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3079.885524] ================================================================================ [ 3079.911888] ================================================================================ [ 3079.938931] UBSAN: Undefined behaviour in fs/ext4/super.c:4783:20 [ 3079.958448] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3079.988651] which requires 64 byte alignment [ 3080.001716] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3080.023285] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3080.053049] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3080.077654] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3080.109661] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3080.132755] Call Trace: [ 3080.143100] [] dump_stack+0xd7/0x132 [ 3080.159499] [] ? arch_local_irq_restore+0x1b/0x1b [ 3080.185108] [] ubsan_epilogue+0x12/0x53 [ 3080.202798] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3080.225288] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3080.246930] [] ext4_remount+0x1bb/0x1ade [ 3080.267441] [] ? shrink_dentry_list+0x4f1/0x52d [ 3080.287641] [] ? ext4_register_li_request+0x634/0x634 [ 3080.312655] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3080.340416] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3080.362994] [] ? ext4_register_li_request+0x634/0x634 [ 3080.385584] [] do_remount_sb+0x2fd/0x50c [ 3080.411719] [] do_mount+0x796/0x19df [ 3080.429353] [] ? kasan_kmalloc+0x94/0xa3 [ 3080.451537] [] ? copy_mount_string+0x3d/0x3d [ 3080.473516] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3080.507737] [] ? __check_object_size+0x1e1/0x2b8 [ 3080.532109] [] ? 0xffffffffb1c002b8 [ 3080.549543] [] ? copy_mount_options+0x23d/0x24d [ 3080.570868] [] SyS_mount+0xa3/0xda [ 3080.589028] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3080.611660] ================================================================================ [ 3080.642756] ================================================================================ [ 3080.670364] UBSAN: Undefined behaviour in fs/ext4/super.c:4784:20 [ 3080.689572] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3080.720884] which requires 64 byte alignment [ 3080.736822] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3080.760288] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3080.792420] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3080.818748] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3080.841488] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3080.936440] Call Trace: [ 3080.972522] [] dump_stack+0xd7/0x132 [ 3081.039767] [] ? arch_local_irq_restore+0x1b/0x1b [ 3081.121415] [] ubsan_epilogue+0x12/0x53 [ 3081.182397] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3081.257936] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3081.339057] [] ext4_remount+0x1f6/0x1ade [ 3081.414600] [] ? shrink_dentry_list+0x4f1/0x52d [ 3081.508968] [] ? ext4_register_li_request+0x634/0x634 [ 3081.605204] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3081.692257] [] ? ext4_register_li_request+0x634/0x634 [ 3081.772193] [] do_remount_sb+0x2fd/0x50c [ 3081.852722] [] do_mount+0x796/0x19df [ 3081.934942] [] ? kasan_kmalloc+0x94/0xa3 [ 3082.030989] [] ? copy_mount_string+0x3d/0x3d [ 3082.109183] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3082.204822] [] ? __check_object_size+0x1e1/0x2b8 [ 3082.278826] [] ? 0xffffffffb1c002b8 [ 3082.353564] [] ? copy_mount_options+0x23d/0x24d [ 3082.555387] [] SyS_mount+0xa3/0xda [ 3082.622668] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3082.699178] ================================================================================ [ 3082.802977] ================================================================================ [ 3082.915707] UBSAN: Undefined behaviour in fs/ext4/super.c:4785:34 [ 3082.991594] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3083.095914] which requires 64 byte alignment [ 3083.152909] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3083.245252] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3083.354942] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3083.457561] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3083.571432] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3083.667166] Call Trace: [ 3083.704974] [] dump_stack+0xd7/0x132 [ 3083.774567] [] ? arch_local_irq_restore+0x1b/0x1b [ 3083.857027] [] ubsan_epilogue+0x12/0x53 [ 3083.990531] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3084.080605] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3084.169371] [] ext4_remount+0x231/0x1ade [ 3084.258654] [] ? shrink_dentry_list+0x4f1/0x52d [ 3084.334174] [] ? ext4_register_li_request+0x634/0x634 [ 3084.453424] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3084.541411] [] ? ext4_register_li_request+0x634/0x634 [ 3084.641614] [] do_remount_sb+0x2fd/0x50c [ 3084.714620] [] do_mount+0x796/0x19df [ 3084.777336] [] ? kasan_kmalloc+0x94/0xa3 [ 3084.847028] [] ? copy_mount_string+0x3d/0x3d [ 3084.929869] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3085.009847] [] ? __check_object_size+0x1e1/0x2b8 [ 3085.076848] [] ? 0xffffffffb1c002b8 [ 3085.133603] [] ? copy_mount_options+0x23d/0x24d [ 3085.220808] [] SyS_mount+0xa3/0xda [ 3085.291301] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3085.377100] ================================================================================ [ 3085.519342] ================================================================================ [ 3085.636093] UBSAN: Undefined behaviour in fs/ext4/super.c:4786:33 [ 3085.710125] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3085.844079] which requires 64 byte alignment [ 3085.898035] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3085.994647] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3086.160886] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3086.254646] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3086.352036] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3086.456500] Call Trace: [ 3086.471885] [] dump_stack+0xd7/0x132 [ 3086.549329] [] ? arch_local_irq_restore+0x1b/0x1b [ 3086.642499] [] ubsan_epilogue+0x12/0x53 [ 3086.698700] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3086.778336] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3086.874054] [] ext4_remount+0x26c/0x1ade [ 3086.944462] [] ? shrink_dentry_list+0x4f1/0x52d [ 3087.017088] [] ? ext4_register_li_request+0x634/0x634 [ 3087.105950] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3087.195274] [] ? ext4_register_li_request+0x634/0x634 [ 3087.271192] [] do_remount_sb+0x2fd/0x50c [ 3087.333280] [] do_mount+0x796/0x19df [ 3087.393342] [] ? kasan_kmalloc+0x94/0xa3 [ 3087.462239] [] ? copy_mount_string+0x3d/0x3d [ 3087.528109] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3087.596505] [] ? __check_object_size+0x1e1/0x2b8 [ 3087.690045] [] ? 0xffffffffb1c002b8 [ 3087.742138] [] ? copy_mount_options+0x23d/0x24d [ 3087.821643] [] SyS_mount+0xa3/0xda [ 3087.885828] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3087.951632] ================================================================================ [ 3088.049616] ================================================================================ [ 3088.145767] UBSAN: Undefined behaviour in fs/ext4/super.c:4787:33 [ 3088.239912] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3088.344851] which requires 64 byte alignment [ 3088.399097] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3088.485138] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3088.603766] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3088.682847] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3088.777332] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3088.874620] Call Trace: [ 3088.898884] [] dump_stack+0xd7/0x132 [ 3088.949340] [] ? arch_local_irq_restore+0x1b/0x1b [ 3089.026672] [] ubsan_epilogue+0x12/0x53 [ 3089.086106] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3089.174067] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3089.251046] [] ext4_remount+0x2a7/0x1ade [ 3089.327967] [] ? ext4_register_li_request+0x634/0x634 [ 3089.399644] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3089.468889] [] ? ext4_register_li_request+0x634/0x634 [ 3089.557577] [] do_remount_sb+0x2fd/0x50c [ 3089.632762] [] do_mount+0x796/0x19df [ 3089.690003] [] ? kasan_kmalloc+0x94/0xa3 [ 3089.757449] [] ? copy_mount_string+0x3d/0x3d [ 3089.834865] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3089.900058] [] ? __check_object_size+0x1e1/0x2b8 [ 3089.965439] [] ? 0xffffffffb1c002b8 [ 3090.027415] [] ? copy_mount_options+0x23d/0x24d [ 3090.086932] [] SyS_mount+0xa3/0xda [ 3090.151247] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3090.231324] ================================================================================ [ 3090.332470] ================================================================================ [ 3090.436254] UBSAN: Undefined behaviour in fs/ext4/super.c:4789:29 [ 3090.508581] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3090.604624] which requires 64 byte alignment [ 3090.649934] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3090.745813] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3090.836647] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3090.934370] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3091.027578] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3091.116090] Call Trace: [ 3091.137784] [] dump_stack+0xd7/0x132 [ 3091.200509] [] ? arch_local_irq_restore+0x1b/0x1b [ 3091.277558] [] ubsan_epilogue+0x12/0x53 [ 3091.333601] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3091.410711] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3091.479416] [] ext4_remount+0x2e2/0x1ade [ 3091.552101] [] ? ext4_register_li_request+0x634/0x634 [ 3091.636197] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3091.715071] [] ? ext4_register_li_request+0x634/0x634 [ 3091.778601] [] do_remount_sb+0x2fd/0x50c [ 3091.851651] [] do_mount+0x796/0x19df [ 3091.906673] [] ? kasan_kmalloc+0x94/0xa3 [ 3091.963397] [] ? copy_mount_string+0x3d/0x3d [ 3092.042493] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3092.111581] [] ? __check_object_size+0x1e1/0x2b8 [ 3092.184660] [] ? 0xffffffffb1c002b8 [ 3092.247110] [] ? copy_mount_options+0x23d/0x24d [ 3092.308217] [] SyS_mount+0xa3/0xda [ 3092.360915] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3092.425069] ================================================================================ [ 3092.539903] ================================================================================ [ 3092.640114] UBSAN: Undefined behaviour in fs/ext4/super.c:4791:22 [ 3092.721533] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3092.816349] which requires 64 byte alignment [ 3092.869978] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3092.952989] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3093.052880] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3093.145344] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3093.242287] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3093.334740] Call Trace: [ 3093.374261] [] dump_stack+0xd7/0x132 [ 3093.430544] [] ? arch_local_irq_restore+0x1b/0x1b [ 3093.504808] [] ubsan_epilogue+0x12/0x53 [ 3093.570385] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3093.646364] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3093.738487] [] ext4_remount+0x377/0x1ade [ 3093.802864] [] ? ext4_register_li_request+0x634/0x634 [ 3093.869774] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3093.949465] [] ? ext4_register_li_request+0x634/0x634 [ 3094.022892] [] do_remount_sb+0x2fd/0x50c [ 3094.095607] [] do_mount+0x796/0x19df [ 3094.167287] [] ? kasan_kmalloc+0x94/0xa3 [ 3094.233588] [] ? copy_mount_string+0x3d/0x3d [ 3094.288240] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3094.370743] [] ? __check_object_size+0x1e1/0x2b8 [ 3094.444940] [] ? 0xffffffffb1c002b8 [ 3094.496244] [] ? copy_mount_options+0x23d/0x24d [ 3094.567611] [] SyS_mount+0xa3/0xda [ 3094.617077] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3094.695990] ================================================================================ [ 3094.901264] ================================================================================ [ 3094.967010] UBSAN: Undefined behaviour in fs/ext4/super.c:4803:9 [ 3095.023124] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3095.111017] which requires 64 byte alignment [ 3095.148208] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3095.215361] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3095.353644] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3095.436081] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3095.533191] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3095.627785] Call Trace: [ 3095.673169] [] dump_stack+0xd7/0x132 [ 3095.756259] [] ? arch_local_irq_restore+0x1b/0x1b [ 3095.843470] [] ubsan_epilogue+0x12/0x53 [ 3095.922709] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3096.085578] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3096.170826] [] ext4_remount+0x5c8/0x1ade [ 3096.253442] [] ? ext4_register_li_request+0x634/0x634 [ 3096.327017] [] ? ext4_register_li_request+0x634/0x634 [ 3096.400792] [] do_remount_sb+0x2fd/0x50c [ 3096.487948] [] do_mount+0x796/0x19df [ 3096.562269] [] ? kasan_kmalloc+0x94/0xa3 [ 3096.655489] [] ? copy_mount_string+0x3d/0x3d [ 3096.741676] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3096.831089] [] ? __check_object_size+0x1e1/0x2b8 [ 3096.898714] [] ? 0xffffffffb1c002b8 [ 3096.970753] [] ? copy_mount_options+0x23d/0x24d [ 3097.039430] [] SyS_mount+0xa3/0xda [ 3097.107098] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3097.261810] ================================================================================ [ 3097.455848] ================================================================================ [ 3097.601769] UBSAN: Undefined behaviour in fs/ext4/super.c:4803:27 [ 3097.744575] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3097.936760] which requires 64 byte alignment [ 3098.032132] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3098.147545] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3098.302109] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3098.410876] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3098.514942] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3098.638609] Call Trace: [ 3098.651872] [] dump_stack+0xd7/0x132 [ 3098.712659] [] ? arch_local_irq_restore+0x1b/0x1b [ 3098.779966] [] ubsan_epilogue+0x12/0x53 [ 3098.858989] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3098.938514] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3099.029372] [] ext4_remount+0x60d/0x1ade [ 3099.102926] [] ? ext4_register_li_request+0x634/0x634 [ 3099.198498] [] ? ext4_register_li_request+0x634/0x634 [ 3099.268850] [] do_remount_sb+0x2fd/0x50c [ 3099.322149] [] do_mount+0x796/0x19df [ 3099.395673] [] ? kasan_kmalloc+0x94/0xa3 [ 3099.460779] [] ? copy_mount_string+0x3d/0x3d [ 3099.532102] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3099.595523] [] ? __check_object_size+0x1e1/0x2b8 [ 3099.676252] [] ? 0xffffffffb1c002b8 [ 3099.729961] [] ? copy_mount_options+0x23d/0x24d [ 3099.798860] [] SyS_mount+0xa3/0xda [ 3099.859017] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3099.964635] ================================================================================ [ 3100.054789] ================================================================================ [ 3100.166774] UBSAN: Undefined behaviour in fs/ext4/super.c:4804:23 [ 3100.243920] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3100.346981] which requires 64 byte alignment [ 3100.413245] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3100.496151] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3100.607601] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3100.693035] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3100.783777] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3100.857375] Call Trace: [ 3100.890294] [] dump_stack+0xd7/0x132 [ 3100.949121] [] ? arch_local_irq_restore+0x1b/0x1b [ 3101.028104] [] ubsan_epilogue+0x12/0x53 [ 3101.095983] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3101.172513] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3101.259066] [] ext4_remount+0x695/0x1ade [ 3101.318730] [] ? ext4_register_li_request+0x634/0x634 [ 3101.387014] [] ? ext4_register_li_request+0x634/0x634 [ 3101.469647] [] do_remount_sb+0x2fd/0x50c [ 3101.552113] [] do_mount+0x796/0x19df [ 3101.597183] [] ? kasan_kmalloc+0x94/0xa3 [ 3101.672919] [] ? copy_mount_string+0x3d/0x3d [ 3101.736936] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3101.830323] [] ? __check_object_size+0x1e1/0x2b8 [ 3101.906572] [] ? 0xffffffffb1c002b8 [ 3101.969260] [] ? copy_mount_options+0x23d/0x24d [ 3102.038210] [] SyS_mount+0xa3/0xda [ 3102.109369] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3102.189005] ================================================================================ [ 3102.279042] ================================================================================ [ 3102.380613] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3102.455625] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3102.555659] which requires 64 byte alignment [ 3102.584513] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3102.675200] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3102.781850] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3102.857300] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3102.966704] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3103.067888] Call Trace: [ 3103.103353] [] dump_stack+0xd7/0x132 [ 3103.150455] [] ? arch_local_irq_restore+0x1b/0x1b [ 3103.232739] [] ubsan_epilogue+0x12/0x53 [ 3103.295968] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3103.388093] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3103.476332] [] ext4_remount+0x75e/0x1ade [ 3103.532917] [] ? ext4_register_li_request+0x634/0x634 [ 3103.614406] [] ? ext4_register_li_request+0x634/0x634 [ 3103.697463] [] do_remount_sb+0x2fd/0x50c [ 3103.751405] [] do_mount+0x796/0x19df [ 3103.818611] [] ? kasan_kmalloc+0x94/0xa3 [ 3103.875678] [] ? copy_mount_string+0x3d/0x3d [ 3103.954640] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3104.015112] [] ? __check_object_size+0x1e1/0x2b8 [ 3104.096523] [] ? 0xffffffffb1c002b8 [ 3104.157096] [] ? copy_mount_options+0x23d/0x24d [ 3104.225179] [] SyS_mount+0xa3/0xda [ 3104.281401] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3104.361095] ================================================================================ [ 3104.448647] ================================================================================ [ 3104.555558] UBSAN: Undefined behaviour in fs/ext4/super.c:4812:6 [ 3104.622851] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3104.720869] which requires 64 byte alignment [ 3104.779354] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3104.871144] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3104.981475] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3105.067434] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3105.156725] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3105.258107] Call Trace: [ 3105.281779] [] dump_stack+0xd7/0x132 [ 3105.351207] [] ? arch_local_irq_restore+0x1b/0x1b [ 3105.420836] [] ubsan_epilogue+0x12/0x53 [ 3105.487672] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3105.561275] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3105.653716] [] ext4_remount+0x78c/0x1ade [ 3105.708895] [] ? ext4_register_li_request+0x634/0x634 [ 3105.782339] [] ? ext4_register_li_request+0x634/0x634 [ 3105.862133] [] do_remount_sb+0x2fd/0x50c [ 3105.936388] [] do_mount+0x796/0x19df [ 3105.993360] [] ? kasan_kmalloc+0x94/0xa3 [ 3106.071699] [] ? copy_mount_string+0x3d/0x3d [ 3106.148320] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3106.211213] [] ? __check_object_size+0x1e1/0x2b8 [ 3106.289956] [] ? 0xffffffffb1c002b8 [ 3106.352483] [] ? copy_mount_options+0x23d/0x24d [ 3106.399221] [] SyS_mount+0xa3/0xda [ 3106.472737] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3106.544856] ================================================================================ [ 3106.641053] ================================================================================ [ 3106.736398] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3106.804782] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3106.924962] which requires 64 byte alignment [ 3106.968536] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3107.037392] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3107.156570] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3107.235098] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3107.326429] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3107.427544] Call Trace: [ 3107.461761] [] dump_stack+0xd7/0x132 [ 3107.526963] [] ? arch_local_irq_restore+0x1b/0x1b [ 3107.601938] [] ubsan_epilogue+0x12/0x53 [ 3107.659678] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3107.739844] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3107.837295] [] ext4_remount+0x82a/0x1ade [ 3107.905844] [] ? ext4_register_li_request+0x634/0x634 [ 3107.987317] [] ? ext4_register_li_request+0x634/0x634 [ 3108.070135] [] do_remount_sb+0x2fd/0x50c [ 3108.128982] [] do_mount+0x796/0x19df [ 3108.193602] [] ? kasan_kmalloc+0x94/0xa3 [ 3108.260257] [] ? copy_mount_string+0x3d/0x3d [ 3108.346646] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3108.418738] [] ? __check_object_size+0x1e1/0x2b8 [ 3108.473823] [] ? 0xffffffffb1c002b8 [ 3108.542907] [] ? copy_mount_options+0x23d/0x24d [ 3108.612822] [] SyS_mount+0xa3/0xda [ 3108.671912] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3108.750775] ================================================================================ [ 3108.845934] ================================================================================ [ 3108.970061] UBSAN: Undefined behaviour in fs/ext4/super.c:4818:6 [ 3109.048635] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3109.153837] which requires 64 byte alignment [ 3109.215475] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3109.278338] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3109.392108] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3109.477779] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3109.572603] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3109.652943] Call Trace: [ 3109.686046] [] dump_stack+0xd7/0x132 [ 3109.751899] [] ? arch_local_irq_restore+0x1b/0x1b [ 3109.840408] [] ubsan_epilogue+0x12/0x53 [ 3109.897625] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3109.989222] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3110.073213] [] ext4_remount+0x857/0x1ade [ 3110.143611] [] ? ext4_register_li_request+0x634/0x634 [ 3110.224974] [] ? ext4_register_li_request+0x634/0x634 [ 3110.291912] [] do_remount_sb+0x2fd/0x50c [ 3110.366682] [] do_mount+0x796/0x19df [ 3110.420095] [] ? kasan_kmalloc+0x94/0xa3 [ 3110.501131] [] ? copy_mount_string+0x3d/0x3d [ 3110.570816] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3110.654634] [] ? __check_object_size+0x1e1/0x2b8 [ 3110.736656] [] ? 0xffffffffb1c002b8 [ 3110.794368] [] ? copy_mount_options+0x23d/0x24d [ 3110.862340] [] SyS_mount+0xa3/0xda [ 3110.930616] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3111.006631] ================================================================================ [ 3111.113045] ================================================================================ [ 3111.219168] UBSAN: Undefined behaviour in fs/ext4/super.c:4839:10 [ 3111.285577] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3111.407533] which requires 64 byte alignment [ 3111.459241] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3111.536827] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3111.669363] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3111.755947] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3111.842209] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3111.924710] Call Trace: [ 3111.955042] [] dump_stack+0xd7/0x132 [ 3112.026461] [] ? arch_local_irq_restore+0x1b/0x1b [ 3112.091181] [] ubsan_epilogue+0x12/0x53 [ 3112.155294] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3112.235085] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3112.322670] [] ext4_remount+0x992/0x1ade [ 3112.380721] [] ? ext4_register_li_request+0x634/0x634 [ 3112.475668] [] ? ext4_register_li_request+0x634/0x634 [ 3112.548108] [] do_remount_sb+0x2fd/0x50c [ 3112.625095] [] do_mount+0x796/0x19df [ 3112.675491] [] ? kasan_kmalloc+0x94/0xa3 [ 3112.751473] [] ? copy_mount_string+0x3d/0x3d [ 3112.811554] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3112.886128] [] ? __check_object_size+0x1e1/0x2b8 [ 3112.946374] [] ? 0xffffffffb1c002b8 [ 3113.015392] [] ? copy_mount_options+0x23d/0x24d [ 3113.089174] [] SyS_mount+0xa3/0xda [ 3113.137695] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3113.210030] ================================================================================ [ 3113.316819] ================================================================================ [ 3113.412034] UBSAN: Undefined behaviour in fs/ext4/super.c:4845:9 [ 3113.477247] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3113.588328] which requires 64 byte alignment [ 3113.635441] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3113.709793] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3113.812220] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3113.908541] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3113.993867] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3114.086083] Call Trace: [ 3114.121277] [] dump_stack+0xd7/0x132 [ 3114.173872] [] ? arch_local_irq_restore+0x1b/0x1b [ 3114.264753] [] ubsan_epilogue+0x12/0x53 [ 3114.336745] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3114.405680] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3114.519566] [] ext4_remount+0xa31/0x1ade [ 3114.596926] [] ? ext4_register_li_request+0x634/0x634 [ 3114.674127] [] ? ext4_register_li_request+0x634/0x634 [ 3114.747578] [] do_remount_sb+0x2fd/0x50c [ 3114.826412] [] do_mount+0x796/0x19df [ 3114.882286] [] ? kasan_kmalloc+0x94/0xa3 [ 3114.963858] [] ? copy_mount_string+0x3d/0x3d [ 3115.038000] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3115.116351] [] ? __check_object_size+0x1e1/0x2b8 [ 3115.198143] [] ? 0xffffffffb1c002b8 [ 3115.261649] [] ? copy_mount_options+0x23d/0x24d [ 3115.330746] [] SyS_mount+0xa3/0xda [ 3115.413581] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3115.478104] ================================================================================ [ 3115.578047] ================================================================================ [ 3115.700491] UBSAN: Undefined behaviour in fs/ext4/super.c:4848:19 [ 3115.756009] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3115.873059] which requires 64 byte alignment [ 3115.913434] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3115.993956] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3116.087978] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3116.180082] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3116.270072] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3116.364584] Call Trace: [ 3116.391761] [] dump_stack+0xd7/0x132 [ 3116.454319] [] ? arch_local_irq_restore+0x1b/0x1b [ 3116.516439] [] ubsan_epilogue+0x12/0x53 [ 3116.589357] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3116.656664] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3116.747340] [] ext4_remount+0xa90/0x1ade [ 3116.813593] [] ? ext4_register_li_request+0x634/0x634 [ 3116.904693] [] ? ext4_register_li_request+0x634/0x634 [ 3116.988887] [] do_remount_sb+0x2fd/0x50c [ 3117.051914] [] do_mount+0x796/0x19df [ 3117.110650] [] ? kasan_kmalloc+0x94/0xa3 [ 3117.175649] [] ? copy_mount_string+0x3d/0x3d [ 3117.240716] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3117.307293] [] ? __check_object_size+0x1e1/0x2b8 [ 3117.388743] [] ? 0xffffffffb1c002b8 [ 3117.458091] [] ? copy_mount_options+0x23d/0x24d [ 3117.513022] [] SyS_mount+0xa3/0xda [ 3117.578457] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3117.644820] ================================================================================ [ 3117.745857] ================================================================================ [ 3117.841224] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3117.912513] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3118.021697] which requires 64 byte alignment [ 3118.066008] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3118.144341] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3118.253901] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3118.342912] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3118.427964] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3118.507518] Call Trace: [ 3118.538450] [] dump_stack+0xd7/0x132 [ 3118.598740] [] ? arch_local_irq_restore+0x1b/0x1b [ 3118.671200] [] ubsan_epilogue+0x12/0x53 [ 3118.744789] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3118.838314] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3118.911638] [] ext4_remount+0xac2/0x1ade [ 3118.969242] [] ? ext4_register_li_request+0x634/0x634 [ 3119.044840] [] ? ext4_register_li_request+0x634/0x634 [ 3119.131606] [] do_remount_sb+0x2fd/0x50c [ 3119.196664] [] do_mount+0x796/0x19df [ 3119.271025] [] ? kasan_kmalloc+0x94/0xa3 [ 3119.336221] [] ? copy_mount_string+0x3d/0x3d [ 3119.401131] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3119.486147] [] ? __check_object_size+0x1e1/0x2b8 [ 3119.555069] [] ? 0xffffffffb1c002b8 [ 3119.614814] [] ? copy_mount_options+0x23d/0x24d [ 3119.681440] [] SyS_mount+0xa3/0xda [ 3119.747552] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3119.823375] ================================================================================ [ 3119.927603] ================================================================================ [ 3119.998340] UBSAN: Undefined behaviour in fs/ext4/super.c:4849:4 [ 3120.099806] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3120.210496] which requires 64 byte alignment [ 3120.250042] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3120.335683] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3120.448214] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3120.540001] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3120.633168] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3120.722500] Call Trace: [ 3120.757154] [] dump_stack+0xd7/0x132 [ 3120.815570] [] ? arch_local_irq_restore+0x1b/0x1b [ 3120.876671] [] ubsan_epilogue+0x12/0x53 [ 3120.931820] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3121.005449] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3121.105781] [] ext4_remount+0xaf0/0x1ade [ 3121.158533] [] ? ext4_register_li_request+0x634/0x634 [ 3121.226481] [] ? ext4_register_li_request+0x634/0x634 [ 3121.316869] [] do_remount_sb+0x2fd/0x50c [ 3121.388531] [] do_mount+0x796/0x19df [ 3121.440781] [] ? kasan_kmalloc+0x94/0xa3 [ 3121.508196] [] ? copy_mount_string+0x3d/0x3d [ 3121.570551] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3121.641196] [] ? __check_object_size+0x1e1/0x2b8 [ 3121.714417] [] ? 0xffffffffb1c002b8 [ 3121.763118] [] ? copy_mount_options+0x23d/0x24d [ 3121.836653] [] SyS_mount+0xa3/0xda [ 3121.890585] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3121.954693] ================================================================================ [ 3122.057877] ================================================================================ [ 3122.157776] UBSAN: Undefined behaviour in fs/ext4/super.c:4848:14 [ 3122.218121] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3122.327265] which requires 64 byte alignment [ 3122.387995] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3122.469541] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3122.590846] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3122.749995] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3122.840914] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3122.914802] Call Trace: [ 3122.956266] [] dump_stack+0xd7/0x132 [ 3123.007249] [] ? arch_local_irq_restore+0x1b/0x1b [ 3123.067925] [] ubsan_epilogue+0x12/0x53 [ 3123.126752] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3123.195910] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3123.289959] [] ext4_remount+0xb2c/0x1ade [ 3123.357791] [] ? ext4_register_li_request+0x634/0x634 [ 3123.429541] [] ? ext4_register_li_request+0x634/0x634 [ 3123.508408] [] do_remount_sb+0x2fd/0x50c [ 3123.573058] [] do_mount+0x796/0x19df [ 3123.615729] [] ? kasan_kmalloc+0x94/0xa3 [ 3123.690215] [] ? copy_mount_string+0x3d/0x3d [ 3123.750791] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3123.827231] [] ? __check_object_size+0x1e1/0x2b8 [ 3123.907346] [] ? 0xffffffffb1c002b8 [ 3123.960301] [] ? copy_mount_options+0x23d/0x24d [ 3124.039649] [] SyS_mount+0xa3/0xda [ 3124.107569] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3124.192884] ================================================================================ [ 3124.276144] ================================================================================ [ 3124.397235] UBSAN: Undefined behaviour in fs/ext4/super.c:4851:5 [ 3124.447347] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3124.573389] which requires 64 byte alignment [ 3124.614867] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3124.695451] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3124.792373] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3124.895801] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3124.990943] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3125.077977] Call Trace: [ 3125.116523] [] dump_stack+0xd7/0x132 [ 3125.172779] [] ? arch_local_irq_restore+0x1b/0x1b [ 3125.246451] [] ubsan_epilogue+0x12/0x53 [ 3125.313400] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3125.390916] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3125.467595] [] ext4_remount+0xb4b/0x1ade [ 3125.527779] [] ? ext4_register_li_request+0x634/0x634 [ 3125.609118] [] ? ext4_register_li_request+0x634/0x634 [ 3125.686153] [] do_remount_sb+0x2fd/0x50c [ 3125.730461] [] do_mount+0x796/0x19df [ 3125.791763] [] ? kasan_kmalloc+0x94/0xa3 [ 3125.849298] [] ? copy_mount_string+0x3d/0x3d [ 3125.916958] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3126.003906] [] ? __check_object_size+0x1e1/0x2b8 [ 3126.087208] [] ? 0xffffffffb1c002b8 [ 3126.138167] [] ? copy_mount_options+0x23d/0x24d [ 3126.214794] [] SyS_mount+0xa3/0xda [ 3126.264741] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3126.358814] ================================================================================ [ 3126.460140] ================================================================================ [ 3126.545114] UBSAN: Undefined behaviour in fs/ext4/super.c:4853:9 [ 3126.623384] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3126.734843] which requires 64 byte alignment [ 3126.781217] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3126.857065] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3126.978499] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3127.074639] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3127.159107] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3127.244555] Call Trace: [ 3127.279184] [] dump_stack+0xd7/0x132 [ 3127.343989] [] ? arch_local_irq_restore+0x1b/0x1b [ 3127.416806] [] ubsan_epilogue+0x12/0x53 [ 3127.473322] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3127.547304] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3127.636044] [] ext4_remount+0xb72/0x1ade [ 3127.697056] [] ? ext4_register_li_request+0x634/0x634 [ 3127.794463] [] ? ext4_register_li_request+0x634/0x634 [ 3127.853668] [] do_remount_sb+0x2fd/0x50c [ 3127.918354] [] do_mount+0x796/0x19df [ 3127.980777] [] ? kasan_kmalloc+0x94/0xa3 [ 3128.053620] [] ? copy_mount_string+0x3d/0x3d [ 3128.144023] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3128.213152] [] ? __check_object_size+0x1e1/0x2b8 [ 3128.300377] [] ? 0xffffffffb1c002b8 [ 3128.367554] [] ? copy_mount_options+0x23d/0x24d [ 3128.432366] [] SyS_mount+0xa3/0xda [ 3128.489312] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3128.579743] ================================================================================ [ 3128.670201] ================================================================================ [ 3128.778186] UBSAN: Undefined behaviour in fs/ext4/super.c:4854:35 [ 3128.859146] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3128.972235] which requires 64 byte alignment [ 3129.013517] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3129.100957] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3129.211635] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3129.297681] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3129.379004] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3129.470254] Call Trace: [ 3129.511625] [] dump_stack+0xd7/0x132 [ 3129.567612] [] ? arch_local_irq_restore+0x1b/0x1b [ 3129.641136] [] ubsan_epilogue+0x12/0x53 [ 3129.694848] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3129.779567] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3129.862730] [] ext4_remount+0xbad/0x1ade [ 3129.931995] [] ? ext4_register_li_request+0x634/0x634 [ 3129.995227] [] ? ext4_register_li_request+0x634/0x634 [ 3130.081512] [] do_remount_sb+0x2fd/0x50c [ 3130.144143] [] do_mount+0x796/0x19df [ 3130.201751] [] ? kasan_kmalloc+0x94/0xa3 [ 3130.270095] [] ? copy_mount_string+0x3d/0x3d [ 3130.335115] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3130.421831] [] ? __check_object_size+0x1e1/0x2b8 [ 3130.516067] [] ? 0xffffffffb1c002b8 [ 3130.578834] [] ? copy_mount_options+0x23d/0x24d [ 3130.663717] [] SyS_mount+0xa3/0xda [ 3130.742497] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3130.842602] ================================================================================ [ 3130.952320] ================================================================================ [ 3131.061638] UBSAN: Undefined behaviour in fs/ext4/super.c:4855:22 [ 3131.142784] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3131.250959] which requires 64 byte alignment [ 3131.301879] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3131.377527] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3131.481237] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3131.564872] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3131.659593] ffffffff00000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3131.749880] Call Trace: [ 3131.767440] [] dump_stack+0xd7/0x132 [ 3131.838397] [] ? arch_local_irq_restore+0x1b/0x1b [ 3131.909719] [] ubsan_epilogue+0x12/0x53 [ 3131.978408] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3132.040142] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3132.147617] [] ext4_remount+0xbdf/0x1ade [ 3132.233982] [] ? ext4_register_li_request+0x634/0x634 [ 3132.314360] [] ? ext4_register_li_request+0x634/0x634 [ 3132.393920] [] do_remount_sb+0x2fd/0x50c [ 3132.463188] [] do_mount+0x796/0x19df [ 3132.544926] [] ? kasan_kmalloc+0x94/0xa3 [ 3132.616836] [] ? copy_mount_string+0x3d/0x3d [ 3132.671928] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3132.749791] [] ? __check_object_size+0x1e1/0x2b8 [ 3132.810735] [] ? 0xffffffffb1c002b8 [ 3132.867959] [] ? copy_mount_options+0x23d/0x24d [ 3132.948458] [] SyS_mount+0xa3/0xda [ 3132.988690] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3133.055944] ================================================================================ [ 3133.156631] ================================================================================ [ 3133.248761] UBSAN: Undefined behaviour in fs/ext4/super.c:4861:33 [ 3133.320150] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3133.435615] which requires 64 byte alignment [ 3133.461088] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3133.566802] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3133.684427] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3133.771107] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3133.861845] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3133.946645] Call Trace: [ 3133.981860] [] dump_stack+0xd7/0x132 [ 3134.032166] [] ? arch_local_irq_restore+0x1b/0x1b [ 3134.117786] [] ubsan_epilogue+0x12/0x53 [ 3134.184881] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3134.271606] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3134.348749] [] ? put_io_context+0x10c/0x117 [ 3134.415557] [] ext4_remount+0xd1a/0x1ade [ 3134.490598] [] ? ext4_register_li_request+0x634/0x634 [ 3134.566925] [] ? ext4_register_li_request+0x634/0x634 [ 3134.644112] [] do_remount_sb+0x2fd/0x50c [ 3134.688836] [] do_mount+0x796/0x19df [ 3134.754622] [] ? kasan_kmalloc+0x94/0xa3 [ 3134.813015] [] ? copy_mount_string+0x3d/0x3d [ 3134.875339] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3134.951544] [] ? __check_object_size+0x1e1/0x2b8 [ 3135.009767] [] ? 0xffffffffb1c002b8 [ 3135.078082] [] ? copy_mount_options+0x23d/0x24d [ 3135.144873] [] SyS_mount+0xa3/0xda [ 3135.211737] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3135.298946] ================================================================================ [ 3135.369933] ================================================================================ [ 3135.484225] UBSAN: Undefined behaviour in fs/ext4/super.c:4862:10 [ 3135.563356] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3135.681642] which requires 64 byte alignment [ 3135.739389] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3135.829306] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3135.942238] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3136.029994] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3136.122398] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3136.235783] Call Trace: [ 3136.258018] [] dump_stack+0xd7/0x132 [ 3136.326549] [] ? arch_local_irq_restore+0x1b/0x1b [ 3136.401148] [] ubsan_epilogue+0x12/0x53 [ 3136.474298] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3136.563091] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3136.637570] [] ? put_io_context+0x10c/0x117 [ 3136.701254] [] ext4_remount+0xd53/0x1ade [ 3136.776227] [] ? ext4_register_li_request+0x634/0x634 [ 3136.854472] [] ? ext4_register_li_request+0x634/0x634 [ 3136.932260] [] do_remount_sb+0x2fd/0x50c [ 3136.986865] [] do_mount+0x796/0x19df [ 3137.063790] [] ? kasan_kmalloc+0x94/0xa3 [ 3137.123791] [] ? copy_mount_string+0x3d/0x3d [ 3137.185617] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3137.262941] [] ? __check_object_size+0x1e1/0x2b8 [ 3137.328076] [] ? 0xffffffffb1c002b8 [ 3137.386049] [] ? copy_mount_options+0x23d/0x24d [ 3137.456949] [] SyS_mount+0xa3/0xda [ 3137.531099] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3137.605535] ================================================================================ [ 3137.716604] ================================================================================ [ 3137.809208] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3137.866149] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3137.974639] which requires 64 byte alignment [ 3138.029807] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3138.111160] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3138.216952] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3138.305413] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3138.407305] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3138.500613] Call Trace: [ 3138.519261] [] dump_stack+0xd7/0x132 [ 3138.598768] [] ? arch_local_irq_restore+0x1b/0x1b [ 3138.672104] [] ubsan_epilogue+0x12/0x53 [ 3138.738217] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3138.813089] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3138.893210] [] ? put_io_context+0x10c/0x117 [ 3138.965276] [] ext4_remount+0xf43/0x1ade [ 3139.022471] [] ? ext4_register_li_request+0x634/0x634 [ 3139.092953] [] ? ext4_register_li_request+0x634/0x634 [ 3139.176462] [] do_remount_sb+0x2fd/0x50c [ 3139.233466] [] do_mount+0x796/0x19df [ 3139.295001] [] ? kasan_kmalloc+0x94/0xa3 [ 3139.363073] [] ? copy_mount_string+0x3d/0x3d [ 3139.433311] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3139.505525] [] ? __check_object_size+0x1e1/0x2b8 [ 3139.578097] [] ? 0xffffffffb1c002b8 [ 3139.648797] [] ? copy_mount_options+0x23d/0x24d [ 3139.752843] [] SyS_mount+0xa3/0xda [ 3139.810919] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3139.907301] ================================================================================ [ 3140.009358] ================================================================================ [ 3140.126926] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1772:1 [ 3140.214362] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3140.337499] which requires 64 byte alignment [ 3140.384525] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3140.487566] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3140.606412] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3140.727805] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3140.828694] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3140.997551] Call Trace: [ 3141.030766] [] dump_stack+0xd7/0x132 [ 3141.092846] [] ? arch_local_irq_restore+0x1b/0x1b [ 3141.179249] [] ubsan_epilogue+0x12/0x53 [ 3141.258390] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3141.334341] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3141.411173] [] ? put_io_context+0x10c/0x117 [ 3141.472792] [] ext4_remount+0xf70/0x1ade [ 3141.550761] [] ? ext4_register_li_request+0x634/0x634 [ 3141.623418] [] ? ext4_register_li_request+0x634/0x634 [ 3141.692753] [] do_remount_sb+0x2fd/0x50c [ 3141.762617] [] do_mount+0x796/0x19df [ 3141.821037] [] ? kasan_kmalloc+0x94/0xa3 [ 3141.892517] [] ? copy_mount_string+0x3d/0x3d [ 3141.955360] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3142.015375] [] ? __check_object_size+0x1e1/0x2b8 [ 3142.095197] [] ? 0xffffffffb1c002b8 [ 3142.154772] [] ? copy_mount_options+0x23d/0x24d [ 3142.235334] [] SyS_mount+0xa3/0xda [ 3142.294528] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3142.363000] ================================================================================ [ 3142.470311] ================================================================================ [ 3142.559930] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3142.617441] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3142.735804] which requires 64 byte alignment [ 3142.787832] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3142.869315] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3142.982082] 00000000ffffffff 000000000f73d42b ffff88009f027a70 ffffffffb26ec5cc [ 3143.067869] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3143.139436] ffff880000000010 ffff88009f027a98 ffff88009f027a48 ffffffffb363c3e0 [ 3143.250841] Call Trace: [ 3143.271980] [] dump_stack+0xd7/0x132 [ 3143.338982] [] ? arch_local_irq_restore+0x1b/0x1b [ 3143.412795] [] ubsan_epilogue+0x12/0x53 [ 3143.473704] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3143.545911] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3143.635475] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3143.713028] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3143.808962] [] ext4_feature_set_ok+0x142/0x3b6 [ 3143.877273] [] ? ext4_remount+0xf9f/0x1ade [ 3143.937907] [] ext4_remount+0xfb8/0x1ade [ 3144.000759] [] ? ext4_register_li_request+0x634/0x634 [ 3144.074338] [] ? ext4_register_li_request+0x634/0x634 [ 3144.164420] [] do_remount_sb+0x2fd/0x50c [ 3144.232364] [] do_mount+0x796/0x19df [ 3144.291393] [] ? kasan_kmalloc+0x94/0xa3 [ 3144.357319] [] ? copy_mount_string+0x3d/0x3d [ 3144.424232] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3144.488427] [] ? __check_object_size+0x1e1/0x2b8 [ 3144.560109] [] ? 0xffffffffb1c002b8 [ 3144.632580] [] ? copy_mount_options+0x23d/0x24d [ 3144.696604] [] SyS_mount+0xa3/0xda [ 3144.749023] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3144.827915] ================================================================================ [ 3144.921268] ================================================================================ [ 3145.006645] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1772:1 [ 3145.077925] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3145.173925] which requires 64 byte alignment [ 3145.229014] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3145.308383] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3145.431343] 00000000ffffffff 000000000f73d42b ffff88009f027a70 ffffffffb26ec5cc [ 3145.513033] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3145.606105] ffff880000000010 ffff88009f027a98 ffff88009f027a48 ffffffffb363c3e0 [ 3145.689787] Call Trace: [ 3145.719211] [] dump_stack+0xd7/0x132 [ 3145.792636] [] ? arch_local_irq_restore+0x1b/0x1b [ 3145.857163] [] ubsan_epilogue+0x12/0x53 [ 3145.932196] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3146.010007] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3146.104061] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3146.177252] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3146.261612] [] ext4_feature_set_ok+0x15c/0x3b6 [ 3146.342103] [] ? ext4_remount+0xf9f/0x1ade [ 3146.404387] [] ext4_remount+0xfb8/0x1ade [ 3146.461919] [] ? ext4_register_li_request+0x634/0x634 [ 3146.540743] [] ? ext4_register_li_request+0x634/0x634 [ 3146.617445] [] do_remount_sb+0x2fd/0x50c [ 3146.669115] [] do_mount+0x796/0x19df [ 3146.742570] [] ? kasan_kmalloc+0x94/0xa3 [ 3146.799161] [] ? copy_mount_string+0x3d/0x3d [ 3146.864928] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3146.936422] [] ? __check_object_size+0x1e1/0x2b8 [ 3146.990557] [] ? 0xffffffffb1c002b8 [ 3147.049688] [] ? copy_mount_options+0x23d/0x24d [ 3147.125211] [] SyS_mount+0xa3/0xda [ 3147.190985] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3147.259908] ================================================================================ [ 3147.357954] ================================================================================ [ 3147.455021] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3147.528969] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3147.627441] which requires 64 byte alignment [ 3147.667085] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3147.747938] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3147.853627] 00000000ffffffff 000000000f73d42b ffff88009f027a70 ffffffffb26ec5cc [ 3147.944110] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3148.023833] ffff880000000010 ffff88009f027a98 ffff88009f027a48 ffffffffb363c3e0 [ 3148.111041] Call Trace: [ 3148.139677] [] dump_stack+0xd7/0x132 [ 3148.194914] [] ? arch_local_irq_restore+0x1b/0x1b [ 3148.258640] [] ubsan_epilogue+0x12/0x53 [ 3148.318581] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3148.394702] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3148.477851] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3148.543327] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3148.644285] [] ext4_feature_set_ok+0x217/0x3b6 [ 3148.725249] [] ? ext4_remount+0xf9f/0x1ade [ 3148.778225] [] ext4_remount+0xfb8/0x1ade [ 3148.842491] [] ? ext4_register_li_request+0x634/0x634 [ 3148.926268] [] ? ext4_register_li_request+0x634/0x634 [ 3149.000901] [] do_remount_sb+0x2fd/0x50c [ 3149.062546] [] do_mount+0x796/0x19df [ 3149.114834] [] ? kasan_kmalloc+0x94/0xa3 [ 3149.183445] [] ? copy_mount_string+0x3d/0x3d [ 3149.246323] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3149.319881] [] ? __check_object_size+0x1e1/0x2b8 [ 3149.407253] [] ? 0xffffffffb1c002b8 [ 3149.476508] [] ? copy_mount_options+0x23d/0x24d [ 3149.564314] [] SyS_mount+0xa3/0xda [ 3149.634776] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3149.715148] ================================================================================ [ 3149.829831] ================================================================================ [ 3149.927744] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1848:1 [ 3149.991972] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3150.129681] which requires 64 byte alignment [ 3150.156679] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3150.252475] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3150.379196] 00000000ffffffff 000000000f73d42b ffff88009f027a70 ffffffffb26ec5cc [ 3150.465432] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3150.564498] ffff880000000010 ffff88009f027a98 ffff88009f027a48 ffffffffb363c3e0 [ 3150.671555] Call Trace: [ 3150.699456] [] dump_stack+0xd7/0x132 [ 3150.749099] [] ? arch_local_irq_restore+0x1b/0x1b [ 3150.850806] [] ubsan_epilogue+0x12/0x53 [ 3150.911757] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3151.000293] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3151.092859] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3151.186634] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3151.315713] [] ext4_feature_set_ok+0x231/0x3b6 [ 3151.421318] [] ? ext4_remount+0xf9f/0x1ade [ 3151.484301] [] ext4_remount+0xfb8/0x1ade [ 3151.555497] [] ? ext4_register_li_request+0x634/0x634 [ 3151.639548] [] ? ext4_register_li_request+0x634/0x634 [ 3151.734051] [] do_remount_sb+0x2fd/0x50c [ 3151.800632] [] do_mount+0x796/0x19df [ 3151.897259] [] ? kasan_kmalloc+0x94/0xa3 [ 3151.967058] [] ? copy_mount_string+0x3d/0x3d [ 3152.054828] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3152.128316] [] ? __check_object_size+0x1e1/0x2b8 [ 3152.208249] [] ? 0xffffffffb1c002b8 [ 3152.291935] [] ? copy_mount_options+0x23d/0x24d [ 3152.366462] [] SyS_mount+0xa3/0xda [ 3152.484221] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3152.570547] ================================================================================ [ 3152.765179] ================================================================================ [ 3152.856160] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3152.917242] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3153.045236] which requires 64 byte alignment [ 3153.092569] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3153.212523] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3153.346287] 00000000ffffffff 000000000f73d42b ffff88009f027a70 ffffffffb26ec5cc [ 3153.520440] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3153.615174] ffff880000000010 ffff88009f027a98 ffff88009f027a48 ffffffffb363c3e0 [ 3153.741110] Call Trace: [ 3153.769325] [] dump_stack+0xd7/0x132 [ 3153.826575] [] ? arch_local_irq_restore+0x1b/0x1b [ 3153.910007] [] ubsan_epilogue+0x12/0x53 [ 3154.005399] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3154.096589] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3154.207041] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3154.327540] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3154.419320] [] ext4_feature_set_ok+0x2e6/0x3b6 [ 3154.503345] [] ext4_remount+0xfb8/0x1ade [ 3154.585966] [] ? ext4_register_li_request+0x634/0x634 [ 3154.677080] [] ? ext4_register_li_request+0x634/0x634 [ 3154.751286] [] do_remount_sb+0x2fd/0x50c [ 3154.828185] [] do_mount+0x796/0x19df [ 3154.888582] [] ? kasan_kmalloc+0x94/0xa3 [ 3154.941796] [] ? copy_mount_string+0x3d/0x3d [ 3155.008742] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3155.080846] [] ? __check_object_size+0x1e1/0x2b8 [ 3155.149419] [] ? 0xffffffffb1c002b8 [ 3155.229505] [] ? copy_mount_options+0x23d/0x24d [ 3155.337340] [] SyS_mount+0xa3/0xda [ 3155.412987] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3155.500563] ================================================================================ [ 3155.608918] ================================================================================ [ 3155.718545] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1765:1 [ 3155.808116] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3155.917777] which requires 64 byte alignment [ 3155.981139] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3156.064633] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3156.186938] 00000000ffffffff 000000000f73d42b ffff88009f027a70 ffffffffb26ec5cc [ 3156.301948] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3156.400128] ffff880000000010 ffff88009f027a98 ffff88009f027a48 ffffffffb363c3e0 [ 3156.513694] Call Trace: [ 3156.556139] [] dump_stack+0xd7/0x132 [ 3156.630188] [] ? arch_local_irq_restore+0x1b/0x1b [ 3156.715372] [] ubsan_epilogue+0x12/0x53 [ 3156.827278] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3156.912280] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3157.009859] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3157.090873] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3157.166209] [] ext4_feature_set_ok+0x300/0x3b6 [ 3157.232440] [] ext4_remount+0xfb8/0x1ade [ 3157.305818] [] ? ext4_register_li_request+0x634/0x634 [ 3157.389208] [] ? ext4_register_li_request+0x634/0x634 [ 3157.474867] [] do_remount_sb+0x2fd/0x50c [ 3157.546238] [] do_mount+0x796/0x19df [ 3157.606373] [] ? kasan_kmalloc+0x94/0xa3 [ 3157.673914] [] ? copy_mount_string+0x3d/0x3d [ 3157.782692] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3157.874208] [] ? __check_object_size+0x1e1/0x2b8 [ 3157.942807] [] ? 0xffffffffb1c002b8 [ 3158.022046] [] ? copy_mount_options+0x23d/0x24d [ 3158.141893] [] SyS_mount+0xa3/0xda [ 3158.260655] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3158.364503] ================================================================================ [ 3158.467394] ================================================================================ [ 3158.574237] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3158.663833] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3158.769620] which requires 64 byte alignment [ 3158.832090] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3158.943895] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3159.058197] 00000000ffffffff 000000000f73d42b ffff88009f027a70 ffffffffb26ec5cc [ 3159.150178] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3159.228408] ffff880000000010 ffff88009f027a98 ffff88009f027a48 ffffffffb363c3e0 [ 3159.323680] Call Trace: [ 3159.336529] [] dump_stack+0xd7/0x132 [ 3159.407681] [] ? arch_local_irq_restore+0x1b/0x1b [ 3159.468712] [] ubsan_epilogue+0x12/0x53 [ 3159.532763] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3159.612868] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3159.702005] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3159.777763] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3159.869517] [] ext4_feature_set_ok+0x333/0x3b6 [ 3159.935623] [] ext4_remount+0xfb8/0x1ade [ 3160.008089] [] ? ext4_register_li_request+0x634/0x634 [ 3160.082281] [] ? ext4_register_li_request+0x634/0x634 [ 3160.172610] [] do_remount_sb+0x2fd/0x50c [ 3160.230350] [] do_mount+0x796/0x19df [ 3160.301545] [] ? kasan_kmalloc+0x94/0xa3 [ 3160.388664] [] ? copy_mount_string+0x3d/0x3d [ 3160.461019] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3160.561483] [] ? __check_object_size+0x1e1/0x2b8 [ 3160.669228] [] ? 0xffffffffb1c002b8 [ 3160.776947] [] ? copy_mount_options+0x23d/0x24d [ 3160.870018] [] SyS_mount+0xa3/0xda [ 3160.946160] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3161.041232] ================================================================================ [ 3161.141716] ================================================================================ [ 3161.252635] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1770:1 [ 3161.318448] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3161.433759] which requires 64 byte alignment [ 3161.474406] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3161.567319] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3161.720871] 00000000ffffffff 000000000f73d42b ffff88009f027a70 ffffffffb26ec5cc [ 3161.830005] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3161.953037] ffff880000000010 ffff88009f027a98 ffff88009f027a48 ffffffffb363c3e0 [ 3162.060306] Call Trace: [ 3162.079236] [] dump_stack+0xd7/0x132 [ 3162.162319] [] ? arch_local_irq_restore+0x1b/0x1b [ 3162.245904] [] ubsan_epilogue+0x12/0x53 [ 3162.330756] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3162.430241] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3162.530057] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3162.644518] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3162.741759] [] ext4_feature_set_ok+0x34d/0x3b6 [ 3162.885340] [] ext4_remount+0xfb8/0x1ade [ 3162.937758] [] ? ext4_register_li_request+0x634/0x634 [ 3163.014184] [] ? ext4_register_li_request+0x634/0x634 [ 3163.095326] [] do_remount_sb+0x2fd/0x50c [ 3163.157346] [] do_mount+0x796/0x19df [ 3163.232774] [] ? kasan_kmalloc+0x94/0xa3 [ 3163.285637] [] ? copy_mount_string+0x3d/0x3d [ 3163.368052] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3163.448703] [] ? __check_object_size+0x1e1/0x2b8 [ 3163.515912] [] ? 0xffffffffb1c002b8 [ 3163.601306] [] ? copy_mount_options+0x23d/0x24d [ 3163.671287] [] SyS_mount+0xa3/0xda [ 3163.747820] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3163.832324] ================================================================================ [ 3163.948801] ================================================================================ [ 3164.143785] UBSAN: Undefined behaviour in fs/ext4/super.c:4903:23 [ 3164.234041] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3164.331770] which requires 64 byte alignment [ 3164.386304] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3164.474662] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3164.579603] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3164.702234] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3164.786558] 0000000000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3164.901744] Call Trace: [ 3164.934463] [] dump_stack+0xd7/0x132 [ 3165.000387] [] ? arch_local_irq_restore+0x1b/0x1b [ 3165.083484] [] ubsan_epilogue+0x12/0x53 [ 3165.136595] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3165.236988] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3165.326354] [] ? ext4_feature_set_ok+0x3a7/0x3b6 [ 3165.387419] [] ext4_remount+0xffa/0x1ade [ 3165.466416] [] ? ext4_register_li_request+0x634/0x634 [ 3165.540187] [] ? ext4_register_li_request+0x634/0x634 [ 3165.642643] [] do_remount_sb+0x2fd/0x50c [ 3165.706288] [] do_mount+0x796/0x19df [ 3165.771768] [] ? kasan_kmalloc+0x94/0xa3 [ 3165.834688] [] ? copy_mount_string+0x3d/0x3d [ 3165.917841] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3166.273139] [] ? __check_object_size+0x1e1/0x2b8 [ 3166.364544] [] ? 0xffffffffb1c002b8 [ 3166.440881] [] ? copy_mount_options+0x23d/0x24d [ 3166.517563] [] SyS_mount+0xa3/0xda [ 3166.594496] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3166.681932] ================================================================================ [ 3167.341898] ================================================================================ [ 3167.449184] UBSAN: Undefined behaviour in fs/ext4/super.c:4937:11 [ 3167.553256] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3167.723964] which requires 64 byte alignment [ 3167.791523] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3167.865704] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3167.977707] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3168.072779] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3168.176058] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3168.265919] Call Trace: [ 3168.305991] [] dump_stack+0xd7/0x132 [ 3168.370531] [] ? arch_local_irq_restore+0x1b/0x1b [ 3168.450701] [] ubsan_epilogue+0x12/0x53 [ 3168.516119] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3168.588501] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3168.682406] [] ext4_remount+0x1139/0x1ade [ 3168.752267] [] ? ext4_register_li_request+0x634/0x634 [ 3168.851433] [] ? ext4_register_li_request+0x634/0x634 [ 3168.938161] [] do_remount_sb+0x2fd/0x50c [ 3169.031798] [] do_mount+0x796/0x19df [ 3169.094804] [] ? kasan_kmalloc+0x94/0xa3 [ 3169.171839] [] ? copy_mount_string+0x3d/0x3d [ 3169.229447] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3169.301630] [] ? __check_object_size+0x1e1/0x2b8 [ 3169.376935] [] ? 0xffffffffb1c002b8 [ 3169.451360] [] ? copy_mount_options+0x23d/0x24d [ 3169.504263] [] SyS_mount+0xa3/0xda [ 3169.577615] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3169.652707] ================================================================================ [ 3169.738663] ================================================================================ [ 3169.831166] UBSAN: Undefined behaviour in fs/ext4/super.c:4939:23 [ 3169.899786] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3170.012151] which requires 64 byte alignment [ 3170.055812] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3170.125072] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3170.234621] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3170.332480] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3170.416659] ffffffff00000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3170.502901] Call Trace: [ 3170.533642] [] dump_stack+0xd7/0x132 [ 3170.594644] [] ? arch_local_irq_restore+0x1b/0x1b [ 3170.688011] [] ubsan_epilogue+0x12/0x53 [ 3170.741682] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3170.838678] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3170.918699] [] ext4_remount+0x11a6/0x1ade [ 3170.981923] [] ? ext4_register_li_request+0x634/0x634 [ 3171.056351] [] ? ext4_register_li_request+0x634/0x634 [ 3171.144203] [] do_remount_sb+0x2fd/0x50c [ 3171.212309] [] do_mount+0x796/0x19df [ 3171.265505] [] ? kasan_kmalloc+0x94/0xa3 [ 3171.348823] [] ? copy_mount_string+0x3d/0x3d [ 3171.417079] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3171.488655] [] ? __check_object_size+0x1e1/0x2b8 [ 3171.561785] [] ? 0xffffffffb1c002b8 [ 3171.621789] [] ? copy_mount_options+0x23d/0x24d [ 3171.688087] [] SyS_mount+0xa3/0xda [ 3171.749398] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3171.818510] ================================================================================ [ 3171.919308] ================================================================================ [ 3172.025287] UBSAN: Undefined behaviour in fs/ext4/super.c:2063:11 [ 3172.087050] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3172.194588] which requires 64 byte alignment [ 3172.249613] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3172.329739] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3172.431244] 00000000ffffffff 000000000f73d42b ffff88009f027a68 ffffffffb26ec5cc [ 3172.514754] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3172.602252] 1ffff10000000010 ffff88009f027a90 ffff88009f027a40 ffffffffb363c3e0 [ 3172.676742] Call Trace: [ 3172.733367] [] dump_stack+0xd7/0x132 [ 3172.801596] [] ? arch_local_irq_restore+0x1b/0x1b [ 3172.879788] [] ubsan_epilogue+0x12/0x53 [ 3172.951313] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3173.025695] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3173.120227] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3173.202374] [] ext4_setup_super+0xd8/0x632 [ 3173.277975] [] ext4_remount+0x11c7/0x1ade [ 3173.338932] [] ? ext4_register_li_request+0x634/0x634 [ 3173.426842] [] ? ext4_register_li_request+0x634/0x634 [ 3173.493115] [] do_remount_sb+0x2fd/0x50c [ 3173.576707] [] do_mount+0x796/0x19df [ 3173.630622] [] ? kasan_kmalloc+0x94/0xa3 [ 3173.702038] [] ? copy_mount_string+0x3d/0x3d [ 3173.764235] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3173.846074] [] ? __check_object_size+0x1e1/0x2b8 [ 3173.905023] [] ? 0xffffffffb1c002b8 [ 3173.984254] [] ? copy_mount_options+0x23d/0x24d [ 3174.056322] [] SyS_mount+0xa3/0xda [ 3174.115851] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3174.198526] ================================================================================ [ 3174.302199] ================================================================================ [ 3174.403771] UBSAN: Undefined behaviour in fs/ext4/super.c:2066:14 [ 3174.500689] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3174.670068] which requires 64 byte alignment [ 3174.736381] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3174.853349] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3174.964170] 00000000ffffffff 000000000f73d42b ffff88009f027a68 ffffffffb26ec5cc [ 3175.072203] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3175.159883] ffffffff00000010 ffff88009f027a90 ffff88009f027a40 ffffffffb363c3e0 [ 3175.261765] Call Trace: [ 3175.295905] [] dump_stack+0xd7/0x132 [ 3175.354410] [] ? arch_local_irq_restore+0x1b/0x1b [ 3175.419376] [] ubsan_epilogue+0x12/0x53 [ 3175.496314] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3175.591557] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3175.671344] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3175.758918] [] ext4_setup_super+0x12d/0x632 [ 3175.825723] [] ext4_remount+0x11c7/0x1ade [ 3175.896038] [] ? ext4_register_li_request+0x634/0x634 [ 3175.965864] [] ? ext4_register_li_request+0x634/0x634 [ 3176.064306] [] do_remount_sb+0x2fd/0x50c [ 3176.127255] [] do_mount+0x796/0x19df [ 3176.190419] [] ? kasan_kmalloc+0x94/0xa3 [ 3176.252200] [] ? copy_mount_string+0x3d/0x3d [ 3176.328796] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3176.402160] [] ? __check_object_size+0x1e1/0x2b8 [ 3176.474281] [] ? 0xffffffffb1c002b8 [ 3176.533411] [] ? copy_mount_options+0x23d/0x24d [ 3176.604873] [] SyS_mount+0xa3/0xda [ 3176.680888] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3176.752895] ================================================================================ [ 3176.846378] ================================================================================ [ 3176.953401] UBSAN: Undefined behaviour in fs/ext4/super.c:2082:10 [ 3177.021945] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3177.109229] which requires 64 byte alignment [ 3177.163768] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3177.247330] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3177.383979] 00000000ffffffff 000000000f73d42b ffff88009f027a68 ffffffffb26ec5cc [ 3177.476247] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3177.566410] ffffffff00000010 ffff88009f027a90 ffff88009f027a40 ffffffffb363c3e0 [ 3177.682439] Call Trace: [ 3177.727797] [] dump_stack+0xd7/0x132 [ 3177.815459] [] ? arch_local_irq_restore+0x1b/0x1b [ 3177.889870] [] ubsan_epilogue+0x12/0x53 [ 3178.011311] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3178.125733] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3178.201815] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3178.290705] [] ext4_setup_super+0x295/0x632 [ 3178.372436] [] ext4_remount+0x11c7/0x1ade [ 3178.457159] [] ? ext4_register_li_request+0x634/0x634 [ 3178.540119] [] ? ext4_register_li_request+0x634/0x634 [ 3178.609477] [] do_remount_sb+0x2fd/0x50c [ 3178.658504] [] do_mount+0x796/0x19df [ 3178.727615] [] ? kasan_kmalloc+0x94/0xa3 [ 3178.818803] [] ? copy_mount_string+0x3d/0x3d [ 3178.928776] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3179.023664] [] ? __check_object_size+0x1e1/0x2b8 [ 3179.102249] [] ? 0xffffffffb1c002b8 [ 3179.177280] [] ? copy_mount_options+0x23d/0x24d [ 3179.272192] [] SyS_mount+0xa3/0xda [ 3179.341810] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3179.422053] ================================================================================ [ 3179.586000] ================================================================================ [ 3179.701498] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3179.782562] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3179.906837] which requires 64 byte alignment [ 3179.961487] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3180.044936] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3180.157189] 00000000ffffffff 000000000f73d42b ffff88009f027a40 ffffffffb26ec5cc [ 3180.238440] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3180.359575] fffffbff00000010 ffff88009f027a68 ffff88009f027a18 ffffffffb363c3e0 [ 3180.509241] Call Trace: [ 3180.527292] [] dump_stack+0xd7/0x132 [ 3180.591164] [] ? arch_local_irq_restore+0x1b/0x1b [ 3180.670650] [] ubsan_epilogue+0x12/0x53 [ 3180.753646] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3180.843891] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3180.932855] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3181.047190] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3181.134827] [] ext4_update_dynamic_rev+0x30/0x145 [ 3181.203917] [] ext4_setup_super+0x3d9/0x632 [ 3181.293225] [] ext4_remount+0x11c7/0x1ade [ 3181.374560] [] ? ext4_register_li_request+0x634/0x634 [ 3181.459035] [] ? ext4_register_li_request+0x634/0x634 [ 3181.551822] [] do_remount_sb+0x2fd/0x50c [ 3181.619723] [] do_mount+0x796/0x19df [ 3181.707325] [] ? kasan_kmalloc+0x94/0xa3 [ 3181.805088] [] ? copy_mount_string+0x3d/0x3d [ 3181.926055] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3182.015947] [] ? __check_object_size+0x1e1/0x2b8 [ 3182.144675] [] ? 0xffffffffb1c002b8 [ 3182.212887] [] ? copy_mount_options+0x23d/0x24d [ 3182.298623] [] SyS_mount+0xa3/0xda [ 3182.381864] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3182.471159] ================================================================================ [ 3182.580049] ================================================================================ [ 3182.714618] UBSAN: Undefined behaviour in fs/ext4/super.c:743:27 [ 3182.808075] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3182.914484] which requires 64 byte alignment [ 3182.968763] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3183.061532] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3183.257005] 00000000ffffffff 000000000f73d42b ffff88009f027a40 ffffffffb26ec5cc [ 3183.395600] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3183.520042] ffff880000000010 ffff88009f027a68 ffff88009f027a18 ffffffffb363c3e0 [ 3183.662630] Call Trace: [ 3183.702744] [] dump_stack+0xd7/0x132 [ 3183.759198] [] ? arch_local_irq_restore+0x1b/0x1b [ 3183.861859] [] ubsan_epilogue+0x12/0x53 [ 3183.937339] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3184.041023] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3184.142537] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3184.253506] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3184.381081] [] ext4_update_dynamic_rev+0x5e/0x145 [ 3184.462111] [] ext4_setup_super+0x3d9/0x632 [ 3184.556201] [] ext4_remount+0x11c7/0x1ade [ 3184.609199] [] ? ext4_register_li_request+0x634/0x634 [ 3184.697033] [] ? ext4_register_li_request+0x634/0x634 [ 3184.852047] [] do_remount_sb+0x2fd/0x50c [ 3184.938317] [] do_mount+0x796/0x19df [ 3185.008547] [] ? kasan_kmalloc+0x94/0xa3 [ 3185.079202] [] ? copy_mount_string+0x3d/0x3d [ 3185.130073] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3185.201938] [] ? __check_object_size+0x1e1/0x2b8 [ 3185.300430] [] ? 0xffffffffb1c002b8 [ 3185.385715] [] ? copy_mount_options+0x23d/0x24d [ 3185.486130] [] SyS_mount+0xa3/0xda [ 3185.578334] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3185.657186] ================================================================================ [ 3185.780798] ================================================================================ [ 3185.916069] UBSAN: Undefined behaviour in fs/ext4/super.c:2089:9 [ 3186.016323] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3186.125311] which requires 64 byte alignment [ 3186.163128] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3186.281204] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3186.413748] 00000000ffffffff 000000000f73d42b ffff88009f027a68 ffffffffb26ec5cc [ 3186.540561] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3186.645620] 0000000000000010 ffff88009f027a90 ffff88009f027a40 ffffffffb363c3e0 [ 3186.740268] Call Trace: [ 3186.764934] [] dump_stack+0xd7/0x132 [ 3186.840667] [] ? arch_local_irq_restore+0x1b/0x1b [ 3186.932393] [] ubsan_epilogue+0x12/0x53 [ 3187.022887] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3187.106062] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3187.180891] [] ext4_setup_super+0x3f3/0x632 [ 3187.260703] [] ext4_remount+0x11c7/0x1ade [ 3187.326435] [] ? ext4_register_li_request+0x634/0x634 [ 3187.423700] [] ? ext4_register_li_request+0x634/0x634 [ 3187.551990] [] do_remount_sb+0x2fd/0x50c [ 3187.628182] [] do_mount+0x796/0x19df [ 3187.703075] [] ? kasan_kmalloc+0x94/0xa3 [ 3187.787309] [] ? copy_mount_string+0x3d/0x3d [ 3187.890588] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3188.010542] [] ? __check_object_size+0x1e1/0x2b8 [ 3188.081097] [] ? 0xffffffffb1c002b8 [ 3188.150069] [] ? copy_mount_options+0x23d/0x24d [ 3188.222764] [] SyS_mount+0xa3/0xda [ 3188.288791] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3188.370173] ================================================================================ [ 3188.462371] ================================================================================ [ 3188.568095] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3188.637342] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3188.755487] which requires 64 byte alignment [ 3188.806291] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3188.891966] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3189.060912] 00000000ffffffff 000000000f73d42b ffff88009f027a68 ffffffffb26ec5cc [ 3189.173984] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3189.262409] ffffffff00000010 ffff88009f027a90 ffff88009f027a40 ffffffffb363c3e0 [ 3189.352724] Call Trace: [ 3189.380212] [] dump_stack+0xd7/0x132 [ 3189.452061] [] ? arch_local_irq_restore+0x1b/0x1b [ 3189.527815] [] ubsan_epilogue+0x12/0x53 [ 3189.584530] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3189.677803] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3189.776145] [] ext4_setup_super+0x428/0x632 [ 3189.866616] [] ext4_remount+0x11c7/0x1ade [ 3189.954169] [] ? ext4_register_li_request+0x634/0x634 [ 3190.020626] [] ? ext4_register_li_request+0x634/0x634 [ 3190.112422] [] do_remount_sb+0x2fd/0x50c [ 3190.175864] [] do_mount+0x796/0x19df [ 3190.256830] [] ? kasan_kmalloc+0x94/0xa3 [ 3190.323047] [] ? copy_mount_string+0x3d/0x3d [ 3190.398907] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3190.464647] [] ? __check_object_size+0x1e1/0x2b8 [ 3190.536483] [] ? 0xffffffffb1c002b8 [ 3190.615405] [] ? copy_mount_options+0x23d/0x24d [ 3190.676015] [] SyS_mount+0xa3/0xda [ 3190.758670] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3190.831305] ================================================================================ [ 3190.943473] ================================================================================ [ 3191.043200] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1777:1 [ 3191.106094] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3191.214641] which requires 64 byte alignment [ 3191.267526] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3191.375985] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3191.494744] 00000000ffffffff 000000000f73d42b ffff88009f027a68 ffffffffb26ec5cc [ 3191.608102] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3191.702391] ffffffff00000010 ffff88009f027a90 ffff88009f027a40 ffffffffb363c3e0 [ 3191.802301] Call Trace: [ 3191.826295] [] dump_stack+0xd7/0x132 [ 3191.909347] [] ? arch_local_irq_restore+0x1b/0x1b [ 3191.989643] [] ubsan_epilogue+0x12/0x53 [ 3192.063681] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3192.141915] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3192.249345] [] ext4_setup_super+0x456/0x632 [ 3192.324321] [] ext4_remount+0x11c7/0x1ade [ 3192.381418] [] ? ext4_register_li_request+0x634/0x634 [ 3192.561919] [] ? ext4_register_li_request+0x634/0x634 [ 3192.652918] [] do_remount_sb+0x2fd/0x50c [ 3192.741235] [] do_mount+0x796/0x19df [ 3192.827762] [] ? kasan_kmalloc+0x94/0xa3 [ 3192.899354] [] ? copy_mount_string+0x3d/0x3d [ 3192.991336] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3193.076306] [] ? __check_object_size+0x1e1/0x2b8 [ 3193.170323] [] ? 0xffffffffb1c002b8 [ 3193.260291] [] ? copy_mount_options+0x23d/0x24d [ 3193.328321] [] SyS_mount+0xa3/0xda [ 3193.381064] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3193.449819] ================================================================================ [ 3193.643843] ================================================================================ [ 3193.767381] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3193.842445] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3193.943356] which requires 64 byte alignment [ 3194.010122] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3194.112329] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3194.251329] 00000000ffffffff 000000000f73d42b ffff88009f0279f8 ffffffffb26ec5cc [ 3194.533532] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3194.646897] 0000005000000010 ffff88009f027a20 ffff88009f0279d0 ffffffffb363c3e0 [ 3194.811171] Call Trace: [ 3194.868229] [] dump_stack+0xd7/0x132 [ 3194.999878] [] ? arch_local_irq_restore+0x1b/0x1b [ 3195.125395] [] ubsan_epilogue+0x12/0x53 [ 3195.249225] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3195.399693] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3195.497375] [] ext4_commit_super+0x3a/0x96c [ 3195.566283] [] ext4_setup_super+0x4bd/0x632 [ 3195.755626] [] ext4_remount+0x11c7/0x1ade [ 3196.031171] [] ? ext4_register_li_request+0x634/0x634 [ 3196.190372] [] ? ext4_register_li_request+0x634/0x634 [ 3196.311631] [] do_remount_sb+0x2fd/0x50c [ 3196.388399] [] do_mount+0x796/0x19df [ 3196.531918] [] ? kasan_kmalloc+0x94/0xa3 [ 3196.668712] [] ? copy_mount_string+0x3d/0x3d [ 3196.794198] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3196.994425] [] ? __check_object_size+0x1e1/0x2b8 [ 3197.146334] [] ? 0xffffffffb1c002b8 [ 3197.251024] [] ? copy_mount_options+0x23d/0x24d [ 3197.320327] [] SyS_mount+0xa3/0xda [ 3197.473086] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3197.632094] ================================================================================ [ 3197.834071] ================================================================================ [ 3198.058896] UBSAN: Undefined behaviour in fs/ext4/super.c:4494:27 [ 3198.161357] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3198.361453] which requires 64 byte alignment [ 3198.466301] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3198.532035] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3198.665253] 00000000ffffffff 000000000f73d42b ffff88009f0279f8 ffffffffb26ec5cc [ 3198.777938] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3198.892046] ffffffff00000010 ffff88009f027a20 ffff88009f0279d0 ffffffffb363c3e0 [ 3198.994186] Call Trace: [ 3199.016107] [] dump_stack+0xd7/0x132 [ 3199.085157] [] ? arch_local_irq_restore+0x1b/0x1b [ 3199.197206] [] ubsan_epilogue+0x12/0x53 [ 3199.289382] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3199.391473] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3199.481153] [] ext4_commit_super+0x6e/0x96c [ 3199.545340] [] ext4_setup_super+0x4bd/0x632 [ 3199.623977] [] ext4_remount+0x11c7/0x1ade [ 3199.685489] [] ? ext4_register_li_request+0x634/0x634 [ 3199.780874] [] ? ext4_register_li_request+0x634/0x634 [ 3199.871067] [] do_remount_sb+0x2fd/0x50c [ 3199.948964] [] do_mount+0x796/0x19df [ 3200.021923] [] ? kasan_kmalloc+0x94/0xa3 [ 3200.085192] [] ? copy_mount_string+0x3d/0x3d [ 3200.185530] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3200.263510] [] ? __check_object_size+0x1e1/0x2b8 [ 3200.328899] [] ? 0xffffffffb1c002b8 [ 3200.395008] [] ? copy_mount_options+0x23d/0x24d [ 3200.482973] [] SyS_mount+0xa3/0xda [ 3200.544589] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3200.620703] ================================================================================ [ 3200.724212] ================================================================================ [ 3200.832759] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3200.900487] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3201.000330] which requires 64 byte alignment [ 3201.052959] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3201.119305] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3201.218659] 00000000ffffffff 000000000f73d42b ffff88009f0279f8 ffffffffb26ec5cc [ 3201.318052] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3201.416745] ffffffff00000010 ffff88009f027a20 ffff88009f0279d0 ffffffffb363c3e0 [ 3201.524005] Call Trace: [ 3201.553107] [] dump_stack+0xd7/0x132 [ 3201.627511] [] ? arch_local_irq_restore+0x1b/0x1b [ 3201.703785] [] ubsan_epilogue+0x12/0x53 [ 3201.764737] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3201.853658] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3201.945814] [] ext4_commit_super+0x94/0x96c [ 3202.017526] [] ext4_setup_super+0x4bd/0x632 [ 3202.095144] [] ext4_remount+0x11c7/0x1ade [ 3202.169573] [] ? ext4_register_li_request+0x634/0x634 [ 3202.280329] [] ? ext4_register_li_request+0x634/0x634 [ 3202.355053] [] do_remount_sb+0x2fd/0x50c [ 3202.425086] [] do_mount+0x796/0x19df [ 3202.498503] [] ? kasan_kmalloc+0x94/0xa3 [ 3202.565824] [] ? copy_mount_string+0x3d/0x3d [ 3202.646015] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3202.733358] [] ? __check_object_size+0x1e1/0x2b8 [ 3202.797843] [] ? 0xffffffffb1c002b8 [ 3202.861905] [] ? copy_mount_options+0x23d/0x24d [ 3202.935836] [] SyS_mount+0xa3/0xda [ 3202.999448] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3203.082763] ================================================================================ [ 3203.170063] ================================================================================ [ 3203.270805] UBSAN: Undefined behaviour in fs/ext4/super.c:4495:22 [ 3203.330621] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3203.446582] which requires 64 byte alignment [ 3203.505029] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3203.608395] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3203.737169] 00000000ffffffff 000000000f73d42b ffff88009f0279f8 ffffffffb26ec5cc [ 3203.831733] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3203.941022] ffffffff00000010 ffff88009f027a20 ffff88009f0279d0 ffffffffb363c3e0 [ 3204.038774] Call Trace: [ 3204.073421] [] dump_stack+0xd7/0x132 [ 3204.119474] [] ? arch_local_irq_restore+0x1b/0x1b [ 3204.201894] [] ubsan_epilogue+0x12/0x53 [ 3204.281257] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3204.365801] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3204.457206] [] ext4_commit_super+0xae/0x96c [ 3204.546055] [] ext4_setup_super+0x4bd/0x632 [ 3204.614393] [] ext4_remount+0x11c7/0x1ade [ 3204.690756] [] ? ext4_register_li_request+0x634/0x634 [ 3204.801091] [] ? ext4_register_li_request+0x634/0x634 [ 3204.883382] [] do_remount_sb+0x2fd/0x50c [ 3204.959990] [] do_mount+0x796/0x19df [ 3205.013419] [] ? kasan_kmalloc+0x94/0xa3 [ 3205.094757] [] ? copy_mount_string+0x3d/0x3d [ 3205.155870] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3205.246453] [] ? __check_object_size+0x1e1/0x2b8 [ 3205.321187] [] ? 0xffffffffb1c002b8 [ 3205.386678] [] ? copy_mount_options+0x23d/0x24d [ 3205.467889] [] SyS_mount+0xa3/0xda [ 3205.540401] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3205.614557] ================================================================================ [ 3205.723557] ================================================================================ [ 3205.842047] UBSAN: Undefined behaviour in fs/ext4/super.c:363:29 [ 3205.925107] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3206.046341] which requires 64 byte alignment [ 3206.097195] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3206.180259] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3206.318987] 00000000ffffffff 000000000f73d42b ffff88009f0279f8 ffffffffb26ec5cc [ 3206.409692] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3206.528525] ffffffff00000010 ffff88009f027a20 ffff88009f0279d0 ffffffffb363c3e0 [ 3206.631157] Call Trace: [ 3206.656638] [] dump_stack+0xd7/0x132 [ 3206.723138] [] ? arch_local_irq_restore+0x1b/0x1b [ 3206.800401] [] ubsan_epilogue+0x12/0x53 [ 3206.855939] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3206.925550] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3207.036302] [] ext4_commit_super+0xe6/0x96c [ 3207.108393] [] ext4_setup_super+0x4bd/0x632 [ 3207.182687] [] ext4_remount+0x11c7/0x1ade [ 3207.256821] [] ? ext4_register_li_request+0x634/0x634 [ 3207.356426] [] ? ext4_register_li_request+0x634/0x634 [ 3207.429371] [] do_remount_sb+0x2fd/0x50c [ 3207.504208] [] do_mount+0x796/0x19df [ 3207.557058] [] ? kasan_kmalloc+0x94/0xa3 [ 3207.638664] [] ? copy_mount_string+0x3d/0x3d [ 3207.701512] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3207.784560] [] ? __check_object_size+0x1e1/0x2b8 [ 3207.875725] [] ? 0xffffffffb1c002b8 [ 3207.954252] [] ? copy_mount_options+0x23d/0x24d [ 3208.039437] [] SyS_mount+0xa3/0xda [ 3208.098043] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3208.172654] ================================================================================ [ 3208.284249] ================================================================================ [ 3208.384439] UBSAN: Undefined behaviour in fs/ext4/super.c:4510:10 [ 3208.463003] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3208.563385] which requires 64 byte alignment [ 3208.602134] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3208.713920] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3208.841662] 00000000ffffffff 000000000f73d42b ffff88009f0279f8 ffffffffb26ec5cc [ 3208.948050] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3209.071186] ffffffff00000010 ffff88009f027a20 ffff88009f0279d0 ffffffffb363c3e0 [ 3209.158601] Call Trace: [ 3209.199898] [] dump_stack+0xd7/0x132 [ 3209.277478] [] ? arch_local_irq_restore+0x1b/0x1b [ 3209.355900] [] ubsan_epilogue+0x12/0x53 [ 3209.423721] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3209.511592] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3209.605521] [] ext4_commit_super+0x216/0x96c [ 3209.680067] [] ext4_setup_super+0x4bd/0x632 [ 3209.760112] [] ext4_remount+0x11c7/0x1ade [ 3209.936259] [] ? ext4_register_li_request+0x634/0x634 [ 3210.069366] [] ? ext4_register_li_request+0x634/0x634 [ 3210.142712] [] do_remount_sb+0x2fd/0x50c [ 3210.253570] [] do_mount+0x796/0x19df [ 3210.310197] [] ? kasan_kmalloc+0x94/0xa3 [ 3210.376451] [] ? copy_mount_string+0x3d/0x3d [ 3210.457651] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3210.559961] [] ? __check_object_size+0x1e1/0x2b8 [ 3210.649565] [] ? 0xffffffffb1c002b8 [ 3210.706199] [] ? copy_mount_options+0x23d/0x24d [ 3210.781880] [] SyS_mount+0xa3/0xda [ 3210.851564] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3210.955738] ================================================================================ [ 3211.074092] ================================================================================ [ 3211.203301] UBSAN: Undefined behaviour in fs/ext4/super.c:4512:8 [ 3211.295416] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3211.437017] which requires 64 byte alignment [ 3211.483883] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3211.590850] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3211.731111] 00000000ffffffff 000000000f73d42b ffff88009f0279f8 ffffffffb26ec5cc [ 3211.850934] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3211.957025] ffffffff00000010 ffff88009f027a20 ffff88009f0279d0 ffffffffb363c3e0 [ 3212.058749] Call Trace: [ 3212.083424] [] dump_stack+0xd7/0x132 [ 3212.163210] [] ? arch_local_irq_restore+0x1b/0x1b [ 3212.239998] [] ubsan_epilogue+0x12/0x53 [ 3212.341105] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3212.420185] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3212.508210] [] ext4_commit_super+0x279/0x96c [ 3212.721298] [] ext4_setup_super+0x4bd/0x632 [ 3212.789263] [] ext4_remount+0x11c7/0x1ade [ 3212.891732] [] ? ext4_register_li_request+0x634/0x634 [ 3212.977710] [] ? ext4_register_li_request+0x634/0x634 [ 3213.055955] [] do_remount_sb+0x2fd/0x50c [ 3213.138424] [] do_mount+0x796/0x19df [ 3213.187956] [] ? kasan_kmalloc+0x94/0xa3 [ 3213.256525] [] ? copy_mount_string+0x3d/0x3d [ 3213.342889] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3213.427280] [] ? __check_object_size+0x1e1/0x2b8 [ 3213.503029] [] ? 0xffffffffb1c002b8 [ 3213.593114] [] ? copy_mount_options+0x23d/0x24d [ 3213.671490] [] SyS_mount+0xa3/0xda [ 3213.751650] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3213.823573] ================================================================================ [ 3213.917816] ================================================================================ [ 3214.025537] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3214.107761] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3214.225043] which requires 64 byte alignment [ 3214.284966] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3214.375110] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3214.511776] 00000000ffffffff 000000000f73d42b ffff88009f0279f8 ffffffffb26ec5cc [ 3214.639577] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3214.748527] ffffffff00000010 ffff88009f027a20 ffff88009f0279d0 ffffffffb363c3e0 [ 3214.862198] Call Trace: [ 3214.906213] [] dump_stack+0xd7/0x132 [ 3214.957683] [] ? arch_local_irq_restore+0x1b/0x1b [ 3215.043984] [] ubsan_epilogue+0x12/0x53 [ 3215.134277] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3215.233884] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3215.333998] [] ext4_commit_super+0x2d8/0x96c [ 3215.419409] [] ext4_setup_super+0x4bd/0x632 [ 3215.486151] [] ext4_remount+0x11c7/0x1ade [ 3215.582487] [] ? ext4_register_li_request+0x634/0x634 [ 3215.664602] [] ? ext4_register_li_request+0x634/0x634 [ 3215.759378] [] do_remount_sb+0x2fd/0x50c [ 3215.821419] [] do_mount+0x796/0x19df [ 3215.903205] [] ? kasan_kmalloc+0x94/0xa3 [ 3215.971004] [] ? copy_mount_string+0x3d/0x3d [ 3216.032208] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3216.101889] [] ? __check_object_size+0x1e1/0x2b8 [ 3216.176856] [] ? 0xffffffffb1c002b8 [ 3216.244010] [] ? copy_mount_options+0x23d/0x24d [ 3216.317066] [] SyS_mount+0xa3/0xda [ 3216.374483] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3216.438243] ================================================================================ [ 3216.536541] ================================================================================ [ 3216.626017] UBSAN: Undefined behaviour in fs/ext4/super.c:4514:4 [ 3216.713251] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3216.826135] which requires 64 byte alignment [ 3216.885879] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3216.967246] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3217.095189] 00000000ffffffff 000000000f73d42b ffff88009f0279f8 ffffffffb26ec5cc [ 3217.178441] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3217.283914] ffffffff00000010 ffff88009f027a20 ffff88009f0279d0 ffffffffb363c3e0 [ 3217.366738] Call Trace: [ 3217.402194] [] dump_stack+0xd7/0x132 [ 3217.500939] [] ? arch_local_irq_restore+0x1b/0x1b [ 3217.574555] [] ubsan_epilogue+0x12/0x53 [ 3217.643799] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3217.724609] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3217.809967] [] ext4_commit_super+0x305/0x96c [ 3217.879828] [] ext4_setup_super+0x4bd/0x632 [ 3217.954091] [] ext4_remount+0x11c7/0x1ade [ 3218.027087] [] ? ext4_register_li_request+0x634/0x634 [ 3218.102630] [] ? ext4_register_li_request+0x634/0x634 [ 3218.179165] [] do_remount_sb+0x2fd/0x50c [ 3218.257761] [] do_mount+0x796/0x19df [ 3218.306823] [] ? kasan_kmalloc+0x94/0xa3 [ 3218.377643] [] ? copy_mount_string+0x3d/0x3d [ 3218.449920] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3218.537478] [] ? __check_object_size+0x1e1/0x2b8 [ 3218.619065] [] ? 0xffffffffb1c002b8 [ 3218.671048] [] ? copy_mount_options+0x23d/0x24d [ 3218.746486] [] SyS_mount+0xa3/0xda [ 3218.811510] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3218.887412] ================================================================================ [ 3218.989008] ================================================================================ [ 3219.075394] UBSAN: Undefined behaviour in fs/ext4/super.c:4514:4 [ 3219.168529] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3219.258632] which requires 64 byte alignment [ 3219.320581] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3219.394122] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3219.524272] 00000000ffffffff 000000000f73d42b ffff88009f0279f8 ffffffffb26ec5cc [ 3219.609458] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3219.702456] ffffffff00000010 ffff88009f027a20 ffff88009f0279d0 ffffffffb363c3e0 [ 3219.796627] Call Trace: [ 3219.824711] [] dump_stack+0xd7/0x132 [ 3219.896808] [] ? arch_local_irq_restore+0x1b/0x1b [ 3219.977065] [] ubsan_epilogue+0x12/0x53 [ 3220.038577] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3220.118468] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3220.222043] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3220.312704] [] ext4_commit_super+0x3bb/0x96c [ 3220.368539] [] ext4_setup_super+0x4bd/0x632 [ 3220.440545] [] ext4_remount+0x11c7/0x1ade [ 3220.516047] [] ? ext4_register_li_request+0x634/0x634 [ 3220.602796] [] ? ext4_register_li_request+0x634/0x634 [ 3220.678349] [] do_remount_sb+0x2fd/0x50c [ 3220.742561] [] do_mount+0x796/0x19df [ 3220.803114] [] ? kasan_kmalloc+0x94/0xa3 [ 3220.873786] [] ? copy_mount_string+0x3d/0x3d [ 3220.927536] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3221.017651] [] ? __check_object_size+0x1e1/0x2b8 [ 3221.090034] [] ? 0xffffffffb1c002b8 [ 3221.158360] [] ? copy_mount_options+0x23d/0x24d [ 3221.233701] [] SyS_mount+0xa3/0xda [ 3221.291146] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3221.382159] ================================================================================ [ 3221.485565] ================================================================================ [ 3221.578811] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3221.640581] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3221.755492] which requires 64 byte alignment [ 3221.819986] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3221.898735] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3222.014211] 00000000ffffffff 000000000f73d42b ffff88009f0279f8 ffffffffb26ec5cc [ 3222.109762] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3222.206301] ffffffff00000010 ffff88009f027a20 ffff88009f0279d0 ffffffffb363c3e0 [ 3222.300150] Call Trace: [ 3222.342125] [] dump_stack+0xd7/0x132 [ 3222.389595] [] ? arch_local_irq_restore+0x1b/0x1b [ 3222.473209] [] ubsan_epilogue+0x12/0x53 [ 3222.547156] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3222.633797] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3222.722110] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3222.789059] [] ext4_commit_super+0x4c2/0x96c [ 3222.863310] [] ext4_setup_super+0x4bd/0x632 [ 3222.929397] [] ext4_remount+0x11c7/0x1ade [ 3222.991548] [] ? ext4_register_li_request+0x634/0x634 [ 3223.088083] [] ? ext4_register_li_request+0x634/0x634 [ 3223.159156] [] do_remount_sb+0x2fd/0x50c [ 3223.227146] [] do_mount+0x796/0x19df [ 3223.298307] [] ? kasan_kmalloc+0x94/0xa3 [ 3223.367698] [] ? copy_mount_string+0x3d/0x3d [ 3223.432872] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3223.506955] [] ? __check_object_size+0x1e1/0x2b8 [ 3223.570149] [] ? 0xffffffffb1c002b8 [ 3223.628869] [] ? copy_mount_options+0x23d/0x24d [ 3223.697089] [] SyS_mount+0xa3/0xda [ 3223.758049] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3223.843110] ================================================================================ [ 3223.932533] ================================================================================ [ 3224.028081] UBSAN: Undefined behaviour in fs/ext4/super.c:4514:4 [ 3224.099030] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3224.203886] which requires 64 byte alignment [ 3224.245161] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3224.321995] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3224.430154] 00000000ffffffff 000000000f73d42b ffff88009f0279f8 ffffffffb26ec5cc [ 3224.518085] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3224.627105] ffffffff00000010 ffff88009f027a20 ffff88009f0279d0 ffffffffb363c3e0 [ 3224.713204] Call Trace: [ 3224.747137] [] dump_stack+0xd7/0x132 [ 3224.797974] [] ? arch_local_irq_restore+0x1b/0x1b [ 3224.875477] [] ubsan_epilogue+0x12/0x53 [ 3224.922444] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3225.002512] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3225.100287] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3225.166051] [] ext4_commit_super+0x4ec/0x96c [ 3225.233655] [] ext4_setup_super+0x4bd/0x632 [ 3225.298288] [] ext4_remount+0x11c7/0x1ade [ 3225.368809] [] ? ext4_register_li_request+0x634/0x634 [ 3225.444567] [] ? ext4_register_li_request+0x634/0x634 [ 3225.513544] [] do_remount_sb+0x2fd/0x50c [ 3225.583716] [] do_mount+0x796/0x19df [ 3225.657544] [] ? kasan_kmalloc+0x94/0xa3 [ 3225.720569] [] ? copy_mount_string+0x3d/0x3d [ 3225.806282] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3225.875756] [] ? __check_object_size+0x1e1/0x2b8 [ 3225.942334] [] ? 0xffffffffb1c002b8 [ 3225.994805] [] ? copy_mount_options+0x23d/0x24d [ 3226.077042] [] SyS_mount+0xa3/0xda [ 3226.144246] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3226.219746] ================================================================================ [ 3226.314926] ================================================================================ [ 3226.407178] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3226.475024] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3226.589124] which requires 64 byte alignment [ 3226.640663] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3226.723385] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3226.825396] 00000000ffffffff 000000000f73d42b ffff88009f0279f8 ffffffffb26ec5cc [ 3226.910670] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3226.998251] ffffffff00000010 ffff88009f027a20 ffff88009f0279d0 ffffffffb363c3e0 [ 3227.075694] Call Trace: [ 3227.105757] [] dump_stack+0xd7/0x132 [ 3227.176993] [] ? arch_local_irq_restore+0x1b/0x1b [ 3227.239842] [] ubsan_epilogue+0x12/0x53 [ 3227.313060] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3227.382348] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3227.457327] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3227.525654] [] ext4_commit_super+0x5d3/0x96c [ 3227.592187] [] ext4_setup_super+0x4bd/0x632 [ 3227.669530] [] ext4_remount+0x11c7/0x1ade [ 3227.737677] [] ? ext4_register_li_request+0x634/0x634 [ 3227.802125] [] ? ext4_register_li_request+0x634/0x634 [ 3227.871910] [] do_remount_sb+0x2fd/0x50c [ 3227.941537] [] do_mount+0x796/0x19df [ 3228.002884] [] ? kasan_kmalloc+0x94/0xa3 [ 3228.073491] [] ? copy_mount_string+0x3d/0x3d [ 3228.139191] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3228.196363] [] ? __check_object_size+0x1e1/0x2b8 [ 3228.274399] [] ? 0xffffffffb1c002b8 [ 3228.334363] [] ? copy_mount_options+0x23d/0x24d [ 3228.396197] [] SyS_mount+0xa3/0xda [ 3228.463019] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3228.534497] ================================================================================ [ 3228.627726] ================================================================================ [ 3228.720535] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3228.806508] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3228.903763] which requires 64 byte alignment [ 3228.940615] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3229.020463] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3229.162348] 00000000ffffffff 000000000f73d42b ffff88009f0279f8 ffffffffb26ec5cc [ 3229.236954] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3229.323632] ffffffff00000010 ffff88009f027a20 ffff88009f0279d0 ffffffffb363c3e0 [ 3229.406595] Call Trace: [ 3229.434828] [] dump_stack+0xd7/0x132 [ 3229.496113] [] ? arch_local_irq_restore+0x1b/0x1b [ 3229.593983] [] ubsan_epilogue+0x12/0x53 [ 3229.655478] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3229.728488] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3229.822239] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3229.894641] [] ext4_commit_super+0x63c/0x96c [ 3229.958675] [] ext4_setup_super+0x4bd/0x632 [ 3230.014592] [] ext4_remount+0x11c7/0x1ade [ 3230.093684] [] ? ext4_register_li_request+0x634/0x634 [ 3230.158981] [] ? ext4_register_li_request+0x634/0x634 [ 3230.227700] [] do_remount_sb+0x2fd/0x50c [ 3230.287877] [] do_mount+0x796/0x19df [ 3230.355487] [] ? kasan_kmalloc+0x94/0xa3 [ 3230.412204] [] ? copy_mount_string+0x3d/0x3d [ 3230.481923] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3230.548942] [] ? __check_object_size+0x1e1/0x2b8 [ 3230.619771] [] ? 0xffffffffb1c002b8 [ 3230.682847] [] ? copy_mount_options+0x23d/0x24d [ 3230.752583] [] SyS_mount+0xa3/0xda [ 3230.820629] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3230.899229] ================================================================================ [ 3230.989477] ================================================================================ [ 3231.098522] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3231.157013] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3231.269328] which requires 64 byte alignment [ 3231.315437] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3231.392314] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3231.492644] 00000000ffffffff 000000000f73d42b ffff88009f0279f8 ffffffffb26ec5cc [ 3231.586538] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3231.682353] ffffffff00000010 ffff88009f027a20 ffff88009f0279d0 ffffffffb363c3e0 [ 3231.760286] Call Trace: [ 3231.785170] [] dump_stack+0xd7/0x132 [ 3231.851962] [] ? arch_local_irq_restore+0x1b/0x1b [ 3231.928507] [] ubsan_epilogue+0x12/0x53 [ 3231.985651] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3232.068065] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3232.141802] [] ? __percpu_counter_sum+0x19d/0x1af [ 3232.233484] [] ext4_commit_super+0x66a/0x96c [ 3232.289336] [] ext4_setup_super+0x4bd/0x632 [ 3232.363724] [] ext4_remount+0x11c7/0x1ade [ 3232.432423] [] ? ext4_register_li_request+0x634/0x634 [ 3232.501717] [] ? ext4_register_li_request+0x634/0x634 [ 3232.578961] [] do_remount_sb+0x2fd/0x50c [ 3232.639103] [] do_mount+0x796/0x19df [ 3232.701277] [] ? kasan_kmalloc+0x94/0xa3 [ 3232.765577] [] ? copy_mount_string+0x3d/0x3d [ 3232.830263] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3232.908989] [] ? __check_object_size+0x1e1/0x2b8 [ 3232.979309] [] ? 0xffffffffb1c002b8 [ 3233.036017] [] ? copy_mount_options+0x23d/0x24d [ 3233.102485] [] SyS_mount+0xa3/0xda [ 3233.166057] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3233.246750] ================================================================================ [ 3233.344948] ================================================================================ [ 3233.442736] UBSAN: Undefined behaviour in fs/ext4/super.c:4522:4 [ 3233.505273] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3233.611740] which requires 64 byte alignment [ 3233.660731] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3233.740225] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3233.848555] 00000000ffffffff 000000000f73d42b ffff88009f0279f8 ffffffffb26ec5cc [ 3233.930232] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3234.021746] ffffffff00000010 ffff88009f027a20 ffff88009f0279d0 ffffffffb363c3e0 [ 3234.112245] Call Trace: [ 3234.140919] [] dump_stack+0xd7/0x132 [ 3234.202218] [] ? arch_local_irq_restore+0x1b/0x1b [ 3234.278947] [] ubsan_epilogue+0x12/0x53 [ 3234.339031] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3234.413222] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3234.505846] [] ? __percpu_counter_sum+0x19d/0x1af [ 3234.575046] [] ext4_commit_super+0x694/0x96c [ 3234.646185] [] ext4_setup_super+0x4bd/0x632 [ 3234.718710] [] ext4_remount+0x11c7/0x1ade [ 3234.790327] [] ? ext4_register_li_request+0x634/0x634 [ 3234.865808] [] ? ext4_register_li_request+0x634/0x634 [ 3234.939212] [] do_remount_sb+0x2fd/0x50c [ 3235.014288] [] do_mount+0x796/0x19df [ 3235.088796] [] ? kasan_kmalloc+0x94/0xa3 [ 3235.150165] [] ? copy_mount_string+0x3d/0x3d [ 3235.211837] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3235.281652] [] ? __check_object_size+0x1e1/0x2b8 [ 3235.357430] [] ? 0xffffffffb1c002b8 [ 3235.431383] [] ? copy_mount_options+0x23d/0x24d [ 3235.508746] [] SyS_mount+0xa3/0xda [ 3235.569351] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3235.638247] ================================================================================ [ 3235.730095] ================================================================================ [ 3235.834431] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3235.902561] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3236.015208] which requires 64 byte alignment [ 3236.069196] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3236.162834] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3236.261179] 00000000ffffffff 000000000f73d42b ffff88009f0279f8 ffffffffb26ec5cc [ 3236.352016] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3236.436875] ffffffff00000010 ffff88009f027a20 ffff88009f0279d0 ffffffffb363c3e0 [ 3236.518076] Call Trace: [ 3236.547586] [] dump_stack+0xd7/0x132 [ 3236.613244] [] ? arch_local_irq_restore+0x1b/0x1b [ 3236.685098] [] ubsan_epilogue+0x12/0x53 [ 3236.732591] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3236.820408] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3236.925968] [] ? __percpu_counter_sum+0x19d/0x1af [ 3237.005889] [] ext4_commit_super+0x743/0x96c [ 3237.075303] [] ext4_setup_super+0x4bd/0x632 [ 3237.152032] [] ext4_remount+0x11c7/0x1ade [ 3237.221243] [] ? ext4_register_li_request+0x634/0x634 [ 3237.287082] [] ? ext4_register_li_request+0x634/0x634 [ 3237.362717] [] do_remount_sb+0x2fd/0x50c [ 3237.423075] [] do_mount+0x796/0x19df [ 3237.478452] [] ? kasan_kmalloc+0x94/0xa3 [ 3237.540418] [] ? copy_mount_string+0x3d/0x3d [ 3237.618959] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3237.688301] [] ? __check_object_size+0x1e1/0x2b8 [ 3237.761595] [] ? 0xffffffffb1c002b8 [ 3237.811568] [] ? copy_mount_options+0x23d/0x24d [ 3237.887138] [] SyS_mount+0xa3/0xda [ 3237.948454] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3238.019468] ================================================================================ [ 3238.122544] ================================================================================ [ 3238.220441] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3238.289283] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3238.414115] which requires 64 byte alignment [ 3238.460362] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3238.516666] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3238.642147] 00000000ffffffff 000000000f73d42b ffff88009f0279f8 ffffffffb26ec5cc [ 3238.715038] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3238.797591] ffffffff00000010 ffff88009f027a20 ffff88009f0279d0 ffffffffb363c3e0 [ 3238.892082] Call Trace: [ 3238.916412] [] dump_stack+0xd7/0x132 [ 3238.980277] [] ? arch_local_irq_restore+0x1b/0x1b [ 3239.060731] [] ubsan_epilogue+0x12/0x53 [ 3239.134655] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3239.203444] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3239.289201] [] ? __percpu_counter_sum+0x19d/0x1af [ 3239.361917] [] ext4_commit_super+0x7a8/0x96c [ 3239.439823] [] ext4_setup_super+0x4bd/0x632 [ 3239.497950] [] ext4_remount+0x11c7/0x1ade [ 3239.572947] [] ? ext4_register_li_request+0x634/0x634 [ 3239.649147] [] ? ext4_register_li_request+0x634/0x634 [ 3239.715118] [] do_remount_sb+0x2fd/0x50c [ 3239.772866] [] do_mount+0x796/0x19df [ 3239.963614] [] ? kasan_kmalloc+0x94/0xa3 [ 3240.010271] [] ? copy_mount_string+0x3d/0x3d [ 3240.061454] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3240.117474] [] ? __check_object_size+0x1e1/0x2b8 [ 3240.173878] [] ? 0xffffffffb1c002b8 [ 3240.220109] [] ? copy_mount_options+0x23d/0x24d [ 3240.276381] [] SyS_mount+0xa3/0xda [ 3240.308655] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3240.362444] ================================================================================ [ 3240.462332] ================================================================================ [ 3240.560634] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3240.632747] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3240.733328] which requires 64 byte alignment [ 3240.793483] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3240.884688] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3240.996483] 00000000ffffffff 000000000f73d42b ffff88009f0279d0 ffffffffb26ec5cc [ 3241.093290] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3241.210597] fffffbff00000010 ffff88009f0279f8 ffff88009f0279a8 ffffffffb363c3e0 [ 3241.304843] Call Trace: [ 3241.336580] [] dump_stack+0xd7/0x132 [ 3241.407598] [] ? arch_local_irq_restore+0x1b/0x1b [ 3241.492264] [] ubsan_epilogue+0x12/0x53 [ 3241.540551] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3241.627999] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3241.705966] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 3241.790446] [] ext4_superblock_csum_set+0x2f/0xf4 [ 3241.861814] [] ext4_commit_super+0x7f3/0x96c [ 3241.937369] [] ext4_setup_super+0x4bd/0x632 [ 3242.008020] [] ext4_remount+0x11c7/0x1ade [ 3242.056166] [] ? ext4_register_li_request+0x634/0x634 [ 3242.149494] [] ? ext4_register_li_request+0x634/0x634 [ 3242.237290] [] do_remount_sb+0x2fd/0x50c [ 3242.298930] [] do_mount+0x796/0x19df [ 3242.360094] [] ? kasan_kmalloc+0x94/0xa3 [ 3242.411046] [] ? copy_mount_string+0x3d/0x3d [ 3242.493775] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3242.562815] [] ? __check_object_size+0x1e1/0x2b8 [ 3242.647849] [] ? 0xffffffffb1c002b8 [ 3242.697392] [] ? copy_mount_options+0x23d/0x24d [ 3242.772876] [] SyS_mount+0xa3/0xda [ 3242.823145] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3242.895696] ================================================================================ [ 3242.991766] ================================================================================ [ 3243.096475] UBSAN: Undefined behaviour in fs/ext4/super.c:176:27 [ 3243.155137] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3243.257501] which requires 64 byte alignment [ 3243.310293] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3243.408345] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3243.514482] 00000000ffffffff 000000000f73d42b ffff88009f0279d0 ffffffffb26ec5cc [ 3243.613090] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3243.709420] ffff880000000010 ffff88009f0279f8 ffff88009f0279a8 ffffffffb363c3e0 [ 3243.798612] Call Trace: [ 3243.829082] [] dump_stack+0xd7/0x132 [ 3243.887578] [] ? arch_local_irq_restore+0x1b/0x1b [ 3243.978658] [] ubsan_epilogue+0x12/0x53 [ 3244.052897] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3244.133882] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3244.222066] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 3244.287818] [] ext4_superblock_csum_set+0x5f/0xf4 [ 3244.363461] [] ext4_commit_super+0x7f3/0x96c [ 3244.446381] [] ext4_setup_super+0x4bd/0x632 [ 3244.519440] [] ext4_remount+0x11c7/0x1ade [ 3244.587496] [] ? ext4_register_li_request+0x634/0x634 [ 3244.663008] [] ? ext4_register_li_request+0x634/0x634 [ 3244.734984] [] do_remount_sb+0x2fd/0x50c [ 3244.804303] [] do_mount+0x796/0x19df [ 3244.856828] [] ? kasan_kmalloc+0x94/0xa3 [ 3244.923900] [] ? copy_mount_string+0x3d/0x3d [ 3244.979700] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3245.055615] [] ? __check_object_size+0x1e1/0x2b8 [ 3245.124563] [] ? 0xffffffffb1c002b8 [ 3245.179935] [] ? copy_mount_options+0x23d/0x24d [ 3245.243173] [] SyS_mount+0xa3/0xda [ 3245.312033] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3245.397762] ================================================================================ [ 3245.481025] ================================================================================ [ 3245.622770] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3245.738937] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3245.832145] which requires 64 byte alignment [ 3245.898270] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3245.975925] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3246.080267] 00000000ffffffff 000000000f73d42b ffff88009f0279d0 ffffffffb26ec5cc [ 3246.169128] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3246.265276] 0000000000000010 ffff88009f0279f8 ffff88009f0279a8 ffffffffb363c3e0 [ 3246.350780] Call Trace: [ 3246.376610] [] dump_stack+0xd7/0x132 [ 3246.438861] [] ? arch_local_irq_restore+0x1b/0x1b [ 3246.504468] [] ubsan_epilogue+0x12/0x53 [ 3246.568735] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3246.643762] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3246.721195] [] ext4_superblock_csum_set+0x98/0xf4 [ 3246.802036] [] ext4_commit_super+0x7f3/0x96c [ 3246.860166] [] ext4_setup_super+0x4bd/0x632 [ 3246.934613] [] ext4_remount+0x11c7/0x1ade [ 3246.989069] [] ? ext4_register_li_request+0x634/0x634 [ 3247.072215] [] ? ext4_register_li_request+0x634/0x634 [ 3247.147756] [] do_remount_sb+0x2fd/0x50c [ 3247.200559] [] do_mount+0x796/0x19df [ 3247.271643] [] ? kasan_kmalloc+0x94/0xa3 [ 3247.354356] [] ? copy_mount_string+0x3d/0x3d [ 3247.418116] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3247.496853] [] ? __check_object_size+0x1e1/0x2b8 [ 3247.576127] [] ? 0xffffffffb1c002b8 [ 3247.628923] [] ? copy_mount_options+0x23d/0x24d [ 3247.695777] [] SyS_mount+0xa3/0xda [ 3247.756366] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3247.822806] ================================================================================ [ 3247.919525] ================================================================================ [ 3248.015546] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:321:31 [ 3248.107734] member access within misaligned address ffff8800a2ee0008 for type 'const struct bucket_table' [ 3248.209558] which requires 64 byte alignment [ 3248.259643] CPU: 1 PID: 316 Comm: udevd Tainted: G L 4.8.11 #1 [ 3248.338260] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3248.441076] 00000000ffffffff 0000000053d8f304 ffff88009e6efbf8 ffffffffb26ec5cc [ 3248.521216] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3248.616841] 0000000000000010 ffff88009e6efc20 ffff88009e6efbd0 ffffffffb363c3e0 [ 3248.709716] Call Trace: [ 3248.747184] [] dump_stack+0xd7/0x132 [ 3248.793212] [] ? arch_local_irq_restore+0x1b/0x1b [ 3248.881284] [] ubsan_epilogue+0x12/0x53 [ 3248.942086] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3249.023252] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3249.103295] [] netlink_release+0x246/0x1078 [ 3249.174309] [] ? fsnotify+0x920/0xa6a [ 3249.229694] [] ? netlink_bind+0x737/0x737 [ 3249.288753] [] ? locks_remove_file+0x25f/0x29b [ 3249.360077] [] ? sock_release+0x1ef/0x1ef [ 3249.418901] [] sock_release+0xd6/0x1ef [ 3249.487388] [] sock_close+0x1b/0x20 [ 3249.536892] [] __fput+0x38b/0x68b [ 3249.588363] [] ____fput+0x1c/0x1e [ 3249.637008] [] task_work_run+0x11e/0x140 [ 3249.697409] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3249.773455] [] syscall_return_slowpath+0x1b4/0x247 [ 3249.848193] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3249.917821] ================================================================================ [ 3250.020253] ================================================================================ [ 3250.108904] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:762:2 [ 3250.189114] member access within misaligned address ffff8800a2ee0008 for type 'struct bucket_table' [ 3250.296411] which requires 64 byte alignment [ 3250.357007] CPU: 1 PID: 316 Comm: udevd Tainted: G L 4.8.11 #1 [ 3250.426415] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3250.524286] 00000000ffffffff 0000000053d8f304 ffff88009e6efbf8 ffffffffb26ec5cc [ 3250.619062] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3250.717380] ffffffff00000010 ffff88009e6efc20 ffff88009e6efbd0 ffffffffb363c3e0 [ 3250.809799] Call Trace: [ 3250.843520] [] dump_stack+0xd7/0x132 [ 3250.912907] [] ? arch_local_irq_restore+0x1b/0x1b [ 3250.983474] [] ubsan_epilogue+0x12/0x53 [ 3251.039708] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3251.133330] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3251.212250] [] netlink_release+0x286/0x1078 [ 3251.285785] [] ? netlink_bind+0x737/0x737 [ 3251.358294] [] ? locks_remove_file+0x25f/0x29b [ 3251.422529] [] ? sock_release+0x1ef/0x1ef [ 3251.482464] [] sock_release+0xd6/0x1ef [ 3251.539242] [] sock_close+0x1b/0x20 [ 3251.601811] [] __fput+0x38b/0x68b [ 3251.658046] [] ____fput+0x1c/0x1e [ 3251.710631] [] task_work_run+0x11e/0x140 [ 3251.764124] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3251.852546] [] syscall_return_slowpath+0x1b4/0x247 [ 3251.921804] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3251.990670] ================================================================================ [ 3252.084778] ================================================================================ [ 3252.176633] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:277:40 [ 3252.276913] member access within misaligned address ffff8800a2ee0008 for type 'const struct bucket_table' [ 3252.383842] which requires 64 byte alignment [ 3252.434622] CPU: 1 PID: 316 Comm: udevd Tainted: G L 4.8.11 #1 [ 3252.516951] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3252.612436] 00000000ffffffff 0000000053d8f304 ffff88009e6efbf8 ffffffffb26ec5cc [ 3252.703899] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3252.802814] ffffffff00000010 ffff88009e6efc20 ffff88009e6efbd0 ffffffffb363c3e0 [ 3252.886569] Call Trace: [ 3252.921731] [] dump_stack+0xd7/0x132 [ 3252.972708] [] ? arch_local_irq_restore+0x1b/0x1b [ 3253.052614] [] ubsan_epilogue+0x12/0x53 [ 3253.119372] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3253.201594] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3253.282464] [] netlink_release+0xfb7/0x1078 [ 3253.343620] [] ? netlink_bind+0x737/0x737 [ 3253.414117] [] ? locks_remove_file+0x25f/0x29b [ 3253.484907] [] ? sock_release+0x1ef/0x1ef [ 3253.561356] [] sock_release+0xd6/0x1ef [ 3253.613001] [] sock_close+0x1b/0x20 [ 3253.682897] [] __fput+0x38b/0x68b [ 3253.743398] [] ____fput+0x1c/0x1e [ 3253.798428] [] task_work_run+0x11e/0x140 [ 3253.852168] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3253.931614] [] syscall_return_slowpath+0x1b4/0x247 [ 3254.005815] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3254.081953] ================================================================================ [ 3254.161600] ================================================================================ [ 3254.260693] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:249:9 [ 3254.336698] member access within misaligned address ffff8800a2ee0008 for type 'const struct bucket_table' [ 3254.449071] which requires 64 byte alignment [ 3254.506080] CPU: 3 PID: 318 Comm: udevd Tainted: G L 4.8.11 #1 [ 3254.577595] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3254.692288] 00000000ffffffff 00000000e22d0d01 ffff88009e02fbf8 ffffffffb26ec5cc [ 3254.783214] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3254.873976] ffff880000000010 ffff88009e02fc20 ffff88009e02fbd0 ffffffffb363c3e0 [ 3254.958487] Call Trace: [ 3254.976135] [] dump_stack+0xd7/0x132 [ 3255.035828] [] ? arch_local_irq_restore+0x1b/0x1b [ 3255.110550] [] ubsan_epilogue+0x12/0x53 [ 3255.161463] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3255.253249] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3255.344111] [] netlink_release+0x1c0/0x1078 [ 3255.405500] [] ? fsnotify+0x920/0xa6a [ 3255.480188] [] ? netlink_bind+0x737/0x737 [ 3255.537364] [] ? locks_remove_file+0x25f/0x29b [ 3255.604625] [] ? sock_release+0x1ef/0x1ef [ 3255.668148] [] sock_release+0xd6/0x1ef [ 3255.731830] [] sock_close+0x1b/0x20 [ 3255.826554] [] __fput+0x38b/0x68b [ 3255.932118] [] ____fput+0x1c/0x1e [ 3255.999163] [] task_work_run+0x11e/0x140 [ 3256.057638] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3256.138993] [] syscall_return_slowpath+0x1b4/0x247 [ 3256.212361] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3256.292128] ================================================================================ [ 3256.380564] INFO: rcu_sched detected stalls on CPUs/tasks:[ 3256.386688] ================================================================================ [ 3256.386698] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:208:49 [ 3256.386706] member access within misaligned address ffff8800a2ee0008 for type 'const struct bucket_table' [ 3256.386708] which requires 64 byte alignment [ 3256.386716] CPU: 0 PID: 312 Comm: udevd Tainted: G L 4.8.11 #1 [ 3256.386720] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3256.386726] 00000000ffffffff 000000007935bf35 ffff88009e60fbf8 ffffffffb26ec5cc [ 3256.386736] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3256.386744] ffff880000000010 ffff88009e60fc20 ffff88009e60fbd0 ffffffffb363c3e0 [ 3256.386752] Call Trace: [ 3256.386765] [] dump_stack+0xd7/0x132 [ 3256.386773] [] ? arch_local_irq_restore+0x1b/0x1b [ 3256.386781] [] ubsan_epilogue+0x12/0x53 [ 3256.386789] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3256.386797] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3256.386806] [] netlink_release+0x1f8/0x1078 [ 3256.386815] [] ? fsnotify+0x920/0xa6a [ 3256.386823] [] ? netlink_bind+0x737/0x737 [ 3256.386831] [] ? locks_remove_file+0x25f/0x29b [ 3256.386840] [] ? sock_release+0x1ef/0x1ef [ 3256.386849] [] sock_release+0xd6/0x1ef [ 3256.386858] [] sock_close+0x1b/0x20 [ 3256.386868] [] __fput+0x38b/0x68b [ 3256.386876] [] ____fput+0x1c/0x1e [ 3256.386886] [] task_work_run+0x11e/0x140 [ 3256.386896] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3256.386920] [] syscall_return_slowpath+0x1b4/0x247 [ 3256.386938] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3256.386942] ================================================================================ [ 3256.387853] ================================================================================ [ 3256.387860] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:321:13 [ 3256.387865] member access within misaligned address ffff8800a2ee0008 for type 'const struct bucket_table' [ 3256.387867] which requires 64 byte alignment [ 3256.387875] CPU: 2 PID: 311 Comm: udevd Tainted: G L 4.8.11 #1 [ 3256.387879] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3256.387884] 00000000ffffffff 00000000a0feca18 ffff88009e407bf8 ffffffffb26ec5cc [ 3256.387894] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3256.387902] ffff880000000010 ffff88009e407c20 ffff88009e407bd0 ffffffffb363c3e0 [ 3256.387910] Call Trace: [ 3256.387921] [] dump_stack+0xd7/0x132 [ 3256.387929] [] ? arch_local_irq_restore+0x1b/0x1b [ 3256.387937] [] ubsan_epilogue+0x12/0x53 [ 3256.387944] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3256.387952] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3256.387962] [] ? down_write_trylock+0x100/0x100 [ 3256.387970] [] ? anon_vma_chain_free+0x21/0x24 [ 3256.387979] [] netlink_release+0x220/0x1078 [ 3256.387987] [] ? fsnotify+0x920/0xa6a [ 3256.387995] [] ? netlink_bind+0x737/0x737 [ 3256.388002] [] ? locks_remove_file+0x25f/0x29b [ 3256.388012] [] ? sock_release+0x1ef/0x1ef [ 3256.388021] [] sock_release+0xd6/0x1ef [ 3256.388029] [] sock_close+0x1b/0x20 [ 3256.388038] [] __fput+0x38b/0x68b [ 3256.388047] [] ____fput+0x1c/0x1e [ 3256.388056] [] task_work_run+0x11e/0x140 [ 3256.388065] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3256.388073] [] syscall_return_slowpath+0x1b4/0x247 [ 3256.388083] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3256.388086] ================================================================================ [ 3256.392983] ================================================================================ [ 3256.392990] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3256.392995] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3256.392997] which requires 64 byte alignment [ 3256.393004] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3256.393007] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3256.393013] 00000000ffffffff 000000000f73d42b ffff88009f0279f8 ffffffffb26ec5cc [ 3256.393022] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3256.393030] ffff880000000010 ffff88009f027a20 ffff88009f0279d0 ffffffffb363c3e0 [ 3256.393037] Call Trace: [ 3256.393049] [] dump_stack+0xd7/0x132 [ 3256.393057] [] ? arch_local_irq_restore+0x1b/0x1b [ 3256.393064] [] ubsan_epilogue+0x12/0x53 [ 3256.393072] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3256.393079] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3256.393089] [] ext4_commit_super+0x88b/0x96c [ 3256.393096] [] ext4_setup_super+0x4bd/0x632 [ 3256.393102] [] ext4_remount+0x11c7/0x1ade [ 3256.393109] [] ? ext4_register_li_request+0x634/0x634 [ 3256.393117] [] ? ext4_register_li_request+0x634/0x634 [ 3256.393124] [] do_remount_sb+0x2fd/0x50c [ 3256.393130] [] do_mount+0x796/0x19df [ 3256.393138] [] ? kasan_kmalloc+0x94/0xa3 [ 3256.393144] [] ? copy_mount_string+0x3d/0x3d [ 3256.393153] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3256.393160] [] ? __check_object_size+0x1e1/0x2b8 [ 3256.393164] [] ? 0xffffffffb1c002b8 [ 3256.393170] [] ? copy_mount_options+0x23d/0x24d [ 3256.393176] [] SyS_mount+0xa3/0xda [ 3256.393185] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3256.393188] ================================================================================ [ 3256.393191] ================================================================================ [ 3256.393195] UBSAN: Undefined behaviour in fs/ext4/super.c:4549:4 [ 3256.393199] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3256.393201] which requires 64 byte alignment [ 3256.393207] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3256.393210] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3256.393213] 00000000ffffffff 000000000f73d42b ffff88009f0279f8 ffffffffb26ec5cc [ 3256.393221] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3256.393229] ffff880000000010 ffff88009f027a20 ffff88009f0279d0 ffffffffb363c3e0 [ 3256.393237] Call Trace: [ 3256.393244] [] dump_stack+0xd7/0x132 [ 3256.393251] [] ? arch_local_irq_restore+0x1b/0x1b [ 3256.393258] [] ubsan_epilogue+0x12/0x53 [ 3256.393265] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3256.393272] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3256.393281] [] ext4_commit_super+0x8b5/0x96c [ 3256.393288] [] ext4_setup_super+0x4bd/0x632 [ 3256.393294] [] ext4_remount+0x11c7/0x1ade [ 3256.393302] [] ? ext4_register_li_request+0x634/0x634 [ 3256.393314] [] ? ext4_register_li_request+0x634/0x634 [ 3256.393327] [] do_remount_sb+0x2fd/0x50c [ 3256.393336] [] do_mount+0x796/0x19df [ 3256.393348] [] ? kasan_kmalloc+0x94/0xa3 [ 3256.393359] [] ? copy_mount_string+0x3d/0x3d [ 3256.393374] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3256.393387] [] ? __check_object_size+0x1e1/0x2b8 [ 3256.393394] [] ? 0xffffffffb1c002b8 [ 3256.393407] [] ? copy_mount_options+0x23d/0x24d [ 3256.393418] [] SyS_mount+0xa3/0xda [ 3256.393434] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3256.393439] ================================================================================ [ 3261.275590] [ 3261.284762] 3-...: (1 GPs behind) idle=d03/140000000000001/0 softirq=3917/3918 fqs=0 [ 3261.332874] (detected by 3, t=0 jiffies, g=403, c=402, q=358) [ 3261.371748] Task dump for CPU 3: [ 3261.388498] udevd R running task 0 318 278 0x00000000 [ 3261.431301] 0000000000000116 00000000e22d0d01 ffff8800a3d07ae8 ffffffffb1e6d847 [ 3261.474486] 0000000041b58ab3 ffffffffb3a291c0 ffffffffb1e6d5aa ffff8800a3d07aa8 [ 3261.520246] ffffffffb77d0b60 ffff8800a3d07ac0 ffffffffb272b720 00000000e22d0d01 [ 3261.565043] Call Trace: [ 3261.588704] [] sched_show_task+0x29d/0x2d3 [ 3261.626945] [] ? SyS_sched_rr_get_interval+0x23a/0x23a [ 3261.676275] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3261.713381] [] dump_cpu_task+0xb5/0xba [ 3261.743718] [] rcu_dump_cpu_stacks+0x215/0x23b [ 3261.780800] [] print_other_cpu_stall+0x6aa/0x882 [ 3261.821487] [] ? print_cpu_stall_info+0x578/0x578 [ 3261.859410] [] ? update_vsyscall+0x555/0x595 [ 3261.896184] [] check_cpu_stall+0x765/0x7a4 [ 3261.931565] [] ? rcu_process_callbacks+0x12b0/0x12b0 [ 3261.967999] [] ? div_u64_rem+0x82/0x93 [ 3262.003021] [] rcu_check_callbacks+0x20f/0x7b8 [ 3262.038787] [] ? rcu_cpu_stall_reset+0x153/0x153 [ 3262.076167] [] update_process_times+0x35/0x64 [ 3262.113261] [] tick_sched_handle+0x114/0x125 [ 3262.151105] [] tick_sched_timer+0x43/0xab [ 3262.187077] [] __hrtimer_run_queues+0x433/0x7b1 [ 3262.227586] [] ? tick_sched_do_timer+0x5f/0x5f [ 3262.266346] [] ? hrtimer_cancel+0x37/0x37 [ 3262.306498] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 3262.347898] [] hrtimer_interrupt+0x179/0x41c [ 3262.384317] [] local_apic_timer_interrupt+0xe4/0xeb [ 3262.434932] [] smp_apic_timer_interrupt+0x2e/0x3e [ 3262.476309] [] apic_timer_interrupt+0x82/0x90 [ 3262.509501] [] ? ubsan_epilogue+0x26/0x53 [ 3262.551559] [] ? arch_local_irq_restore+0x6/0xd [ 3262.589449] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 3262.630585] [] ubsan_epilogue+0x3e/0x53 [ 3262.662844] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3262.700631] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3262.742880] [] netlink_release+0x1c0/0x1078 [ 3262.775574] [] ? fsnotify+0x920/0xa6a [ 3262.807254] [] ? netlink_bind+0x737/0x737 [ 3262.841554] [] ? locks_remove_file+0x25f/0x29b [ 3262.873331] [] ? sock_release+0x1ef/0x1ef [ 3262.907653] [] sock_release+0xd6/0x1ef [ 3262.942043] [] sock_close+0x1b/0x20 [ 3262.969098] [] __fput+0x38b/0x68b [ 3262.996605] [] ____fput+0x1c/0x1e [ 3263.026066] [] task_work_run+0x11e/0x140 [ 3263.055954] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3263.095643] [] syscall_return_slowpath+0x1b4/0x247 [ 3263.132830] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3263.188337] ================================================================================ [ 3263.269729] UBSAN: Undefined behaviour in fs/ext4/super.c:4941:17 [ 3263.330249] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3263.408705] which requires 64 byte alignment [ 3263.444081] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3263.504214] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3263.590609] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3263.663459] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3263.723997] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3263.799912] Call Trace: [ 3263.815392] [] dump_stack+0xd7/0x132 [ 3263.857470] [] ? arch_local_irq_restore+0x1b/0x1b [ 3263.921713] [] ubsan_epilogue+0x12/0x53 [ 3263.974584] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3264.034198] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3264.102054] [] ? ext4_setup_super+0x620/0x632 [ 3264.156120] [] ext4_remount+0x11ea/0x1ade [ 3264.207906] [] ? ext4_register_li_request+0x634/0x634 [ 3264.280773] [] ? ext4_register_li_request+0x634/0x634 [ 3264.335616] [] do_remount_sb+0x2fd/0x50c [ 3264.377287] [] do_mount+0x796/0x19df [ 3264.428203] [] ? kasan_kmalloc+0x94/0xa3 [ 3264.473006] [] ? copy_mount_string+0x3d/0x3d [ 3264.529055] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3264.582065] [] ? __check_object_size+0x1e1/0x2b8 [ 3264.632388] [] ? 0xffffffffb1c002b8 [ 3264.676646] [] ? copy_mount_options+0x23d/0x24d [ 3264.743302] [] SyS_mount+0xa3/0xda [ 3264.784436] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3264.846614] ================================================================================ [ 3264.920885] ================================================================================ [ 3264.996568] UBSAN: Undefined behaviour in fs/ext4/super.c:4941:17 [ 3265.056760] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3265.147937] which requires 64 byte alignment [ 3265.182709] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3265.254667] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3265.348856] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3265.415733] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3265.483109] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3265.559339] Call Trace: [ 3265.578650] [] dump_stack+0xd7/0x132 [ 3265.644641] [] ? arch_local_irq_restore+0x1b/0x1b [ 3265.703758] [] ubsan_epilogue+0x12/0x53 [ 3265.757181] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3265.821040] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3265.890536] [] ? ext4_setup_super+0x620/0x632 [ 3265.929158] [] ext4_remount+0x1219/0x1ade [ 3265.984450] [] ? ext4_register_li_request+0x634/0x634 [ 3266.054862] [] ? ext4_register_li_request+0x634/0x634 [ 3266.107831] [] do_remount_sb+0x2fd/0x50c [ 3266.156093] [] do_mount+0x796/0x19df [ 3266.199874] [] ? kasan_kmalloc+0x94/0xa3 [ 3266.254089] [] ? copy_mount_string+0x3d/0x3d [ 3266.314211] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3266.361414] [] ? __check_object_size+0x1e1/0x2b8 [ 3266.424193] [] ? 0xffffffffb1c002b8 [ 3266.470127] [] ? copy_mount_options+0x23d/0x24d [ 3266.517641] [] SyS_mount+0xa3/0xda [ 3266.560908] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3266.621412] ================================================================================ [ 3266.698917] ================================================================================ [ 3266.773097] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3266.842241] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3266.929251] which requires 64 byte alignment [ 3266.963702] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3267.025029] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3267.119095] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3267.185476] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3267.255166] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3267.323823] Call Trace: [ 3267.351723] [] dump_stack+0xd7/0x132 [ 3267.399062] [] ? arch_local_irq_restore+0x1b/0x1b [ 3267.460752] [] ubsan_epilogue+0x12/0x53 [ 3267.500959] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3267.562302] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3267.619180] [] ? ext4_setup_super+0x620/0x632 [ 3267.674231] [] ext4_remount+0x123d/0x1ade [ 3267.729263] [] ? ext4_register_li_request+0x634/0x634 [ 3267.793180] [] ? ext4_register_li_request+0x634/0x634 [ 3267.853664] [] do_remount_sb+0x2fd/0x50c [ 3267.905438] [] do_mount+0x796/0x19df [ 3267.952313] [] ? kasan_kmalloc+0x94/0xa3 [ 3268.001549] [] ? copy_mount_string+0x3d/0x3d [ 3268.055016] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3268.121060] [] ? __check_object_size+0x1e1/0x2b8 [ 3268.175280] [] ? 0xffffffffb1c002b8 [ 3268.220029] [] ? copy_mount_options+0x23d/0x24d [ 3268.278797] [] SyS_mount+0xa3/0xda [ 3268.319440] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3268.381132] ================================================================================ [ 3268.455595] ================================================================================ [ 3268.538196] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1782:1 [ 3268.602149] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3268.679298] which requires 64 byte alignment [ 3268.712273] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3268.779517] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3268.870644] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3268.944848] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3269.014538] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3269.079006] Call Trace: [ 3269.105116] [] dump_stack+0xd7/0x132 [ 3269.150120] [] ? arch_local_irq_restore+0x1b/0x1b [ 3269.207909] [] ubsan_epilogue+0x12/0x53 [ 3269.257669] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3269.323901] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3269.384850] [] ? ext4_setup_super+0x620/0x632 [ 3269.436939] [] ext4_remount+0x126a/0x1ade [ 3269.494743] [] ? ext4_register_li_request+0x634/0x634 [ 3269.555769] [] ? ext4_register_li_request+0x634/0x634 [ 3269.614629] [] do_remount_sb+0x2fd/0x50c [ 3269.667010] [] do_mount+0x796/0x19df [ 3269.712661] [] ? kasan_kmalloc+0x94/0xa3 [ 3269.762780] [] ? copy_mount_string+0x3d/0x3d [ 3269.815568] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3269.878568] [] ? __check_object_size+0x1e1/0x2b8 [ 3269.930971] [] ? 0xffffffffb1c002b8 [ 3269.975263] [] ? copy_mount_options+0x23d/0x24d [ 3270.032563] [] SyS_mount+0xa3/0xda [ 3270.076475] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3270.146835] ================================================================================ [ 3270.224593] ================================================================================ [ 3270.294806] UBSAN: Undefined behaviour in fs/ext4/super.c:4956:9 [ 3270.354095] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3270.442477] which requires 64 byte alignment [ 3270.473337] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3270.533183] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3270.625716] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3270.691484] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3270.760508] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3270.825186] Call Trace: [ 3270.851566] [] dump_stack+0xd7/0x132 [ 3270.889323] [] ? arch_local_irq_restore+0x1b/0x1b [ 3270.952422] [] ubsan_epilogue+0x12/0x53 [ 3270.997973] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3271.056593] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3271.116184] [] ? ext4_setup_super+0x620/0x632 [ 3271.163487] [] ext4_remount+0x130e/0x1ade [ 3271.218758] [] ? ext4_register_li_request+0x634/0x634 [ 3271.272734] [] ? ext4_register_li_request+0x634/0x634 [ 3271.330712] [] do_remount_sb+0x2fd/0x50c [ 3271.384380] [] do_mount+0x796/0x19df [ 3271.432572] [] ? kasan_kmalloc+0x94/0xa3 [ 3271.481209] [] ? copy_mount_string+0x3d/0x3d [ 3271.567279] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3271.630609] [] ? __check_object_size+0x1e1/0x2b8 [ 3271.685399] [] ? 0xffffffffb1c002b8 [ 3271.733681] [] ? copy_mount_options+0x23d/0x24d [ 3271.780874] [] SyS_mount+0xa3/0xda [ 3271.838496] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3271.900188] ================================================================================ [ 3271.983462] ================================================================================ [ 3272.067577] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3272.117087] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3272.201249] which requires 64 byte alignment [ 3272.239736] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3272.300253] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3272.377134] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3272.455042] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3272.522712] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3272.595917] Call Trace: [ 3272.621955] [] dump_stack+0xd7/0x132 [ 3272.671957] [] ? arch_local_irq_restore+0x1b/0x1b [ 3272.720737] [] ubsan_epilogue+0x12/0x53 [ 3272.778592] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3272.835840] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3272.907268] [] ? ext4_setup_super+0x620/0x632 [ 3272.953491] [] ext4_remount+0x1353/0x1ade [ 3273.007779] [] ? ext4_register_li_request+0x634/0x634 [ 3273.072857] [] ? ext4_register_li_request+0x634/0x634 [ 3273.129474] [] do_remount_sb+0x2fd/0x50c [ 3273.182786] [] do_mount+0x796/0x19df [ 3273.231792] [] ? kasan_kmalloc+0x94/0xa3 [ 3273.278330] [] ? copy_mount_string+0x3d/0x3d [ 3273.336662] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3273.384540] [] ? __check_object_size+0x1e1/0x2b8 [ 3273.444525] [] ? 0xffffffffb1c002b8 [ 3273.488969] [] ? copy_mount_options+0x23d/0x24d [ 3273.539084] [] SyS_mount+0xa3/0xda [ 3273.587179] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3273.643690] ================================================================================ [ 3273.723633] ================================================================================ [ 3273.793773] UBSAN: Undefined behaviour in fs/ext4/super.c:4956:36 [ 3273.837330] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3273.924615] which requires 64 byte alignment [ 3273.970013] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3274.034195] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3274.122809] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3274.195263] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3274.257697] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3274.338619] Call Trace: [ 3274.362697] [] dump_stack+0xd7/0x132 [ 3274.415431] [] ? arch_local_irq_restore+0x1b/0x1b [ 3274.463844] [] ubsan_epilogue+0x12/0x53 [ 3274.519326] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3274.577748] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3274.652333] [] ? ext4_setup_super+0x620/0x632 [ 3274.715329] [] ext4_remount+0x1380/0x1ade [ 3274.765094] [] ? ext4_register_li_request+0x634/0x634 [ 3274.821474] [] ? ext4_register_li_request+0x634/0x634 [ 3274.876952] [] do_remount_sb+0x2fd/0x50c [ 3274.932152] [] do_mount+0x796/0x19df [ 3274.977652] [] ? kasan_kmalloc+0x94/0xa3 [ 3275.030714] [] ? copy_mount_string+0x3d/0x3d [ 3275.077323] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3275.138864] [] ? __check_object_size+0x1e1/0x2b8 [ 3275.191690] [] ? 0xffffffffb1c002b8 [ 3275.236686] [] ? copy_mount_options+0x23d/0x24d [ 3275.296887] [] SyS_mount+0xa3/0xda [ 3275.343586] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3275.407179] ================================================================================ [ 3275.490974] ================================================================================ [ 3275.568181] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3275.631726] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3275.707889] which requires 64 byte alignment [ 3275.750623] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3275.809404] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3275.896331] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3275.977101] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3276.050528] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3276.121074] Call Trace: [ 3276.141460] [] dump_stack+0xd7/0x132 [ 3276.194656] [] ? arch_local_irq_restore+0x1b/0x1b [ 3276.254408] [] ubsan_epilogue+0x12/0x53 [ 3276.301249] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3276.358900] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3276.429053] [] ? ext4_setup_super+0x620/0x632 [ 3276.475009] [] ext4_remount+0x13ae/0x1ade [ 3276.527142] [] ? ext4_register_li_request+0x634/0x634 [ 3276.593634] [] ? ext4_register_li_request+0x634/0x634 [ 3276.654763] [] do_remount_sb+0x2fd/0x50c [ 3276.705451] [] do_mount+0x796/0x19df [ 3276.751697] [] ? kasan_kmalloc+0x94/0xa3 [ 3276.804640] [] ? copy_mount_string+0x3d/0x3d [ 3276.856612] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3276.918393] [] ? __check_object_size+0x1e1/0x2b8 [ 3276.967868] [] ? 0xffffffffb1c002b8 [ 3277.025158] [] ? copy_mount_options+0x23d/0x24d [ 3277.075686] [] SyS_mount+0xa3/0xda [ 3277.123292] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3277.183800] ================================================================================ [ 3277.258893] ================================================================================ [ 3277.334740] UBSAN: Undefined behaviour in fs/ext4/super.c:2961:22 [ 3277.399833] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3277.491305] which requires 64 byte alignment [ 3277.524691] CPU: 1 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3277.606539] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3277.697349] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3277.757765] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3277.824730] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3277.900017] Call Trace: [ 3277.923516] [] dump_stack+0xd7/0x132 [ 3277.968990] [] ? arch_local_irq_restore+0x1b/0x1b [ 3278.025169] [] ubsan_epilogue+0x12/0x53 [ 3278.078424] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3278.139114] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3278.203511] [] ? ext4_setup_super+0x620/0x632 [ 3278.263428] [] ext4_remount+0x13c7/0x1ade [ 3278.326070] [] ? ext4_register_li_request+0x634/0x634 [ 3278.382501] [] ? ext4_register_li_request+0x634/0x634 [ 3278.443200] [] do_remount_sb+0x2fd/0x50c [ 3278.491953] [] do_mount+0x796/0x19df [ 3278.537435] [] ? kasan_kmalloc+0x94/0xa3 [ 3278.587318] [] ? copy_mount_string+0x3d/0x3d [ 3278.640545] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3278.699287] [] ? __check_object_size+0x1e1/0x2b8 [ 3278.752865] [] ? 0xffffffffb1c002b8 [ 3278.794631] [] ? copy_mount_options+0x23d/0x24d [ 3278.851074] [] SyS_mount+0xa3/0xda [ 3278.895085] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3278.956662] ================================================================================ [ 3279.030128] ================================================================================ [ 3279.105939] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:278:12 [ 3279.178753] member access within misaligned address ffff8800a2ee0008 for type 'const struct bucket_table' [ 3279.275449] which requires 64 byte alignment [ 3279.318918] CPU: 3 PID: 370 Comm: udevd Tainted: G L 4.8.11 #1 [ 3279.378821] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3279.464924] 00000000ffffffff 000000006417c6a3 ffff8800a2a6fbf8 ffffffffb26ec5cc [ 3279.539854] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3279.614291] ffff880000000010 ffff8800a2a6fc20 ffff8800a2a6fbd0 ffffffffb363c3e0 [ 3279.671984] Call Trace: [ 3279.702818] [] dump_stack+0xd7/0x132 [ 3279.750012] [] ? arch_local_irq_restore+0x1b/0x1b [ 3279.814557] [] ubsan_epilogue+0x12/0x53 [ 3279.865433] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3279.930741] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3279.988916] [] netlink_release+0xff7/0x1078 [ 3280.037215] [] ? netlink_bind+0x737/0x737 [ 3280.088262] [] ? locks_remove_file+0x25f/0x29b [ 3280.150885] [] ? sock_release+0x1ef/0x1ef [ 3280.206415] [] sock_release+0xd6/0x1ef [ 3280.260316] [] sock_close+0x1b/0x20 [ 3280.302446] [] __fput+0x38b/0x68b [ 3280.339460] [] ____fput+0x1c/0x1e [ 3280.387916] [] task_work_run+0x11e/0x140 [ 3280.436941] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3280.496523] [] syscall_return_slowpath+0x1b4/0x247 [ 3280.551527] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3280.622652] ================================================================================ [ 3280.694099] ================================================================================ [ 3280.773384] UBSAN: Undefined behaviour in fs/ext4/super.c:4965:9 [ 3280.821428] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3280.918186] which requires 64 byte alignment [ 3280.956599] CPU: 0 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3281.020998] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3281.114940] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3281.186431] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3281.255712] 0000000000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3281.319577] Call Trace: [ 3281.341460] [] dump_stack+0xd7/0x132 [ 3281.384311] [] ? arch_local_irq_restore+0x1b/0x1b [ 3281.454495] [] ubsan_epilogue+0x12/0x53 [ 3281.510821] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3281.571092] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3281.633662] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 3281.694313] [] ext4_remount+0x146a/0x1ade [ 3281.744263] [] ? ext4_register_li_request+0x634/0x634 [ 3281.815406] [] ? ext4_register_li_request+0x634/0x634 [ 3281.868022] [] do_remount_sb+0x2fd/0x50c [ 3281.918610] [] do_mount+0x796/0x19df [ 3281.970855] [] ? kasan_kmalloc+0x94/0xa3 [ 3282.025580] [] ? copy_mount_string+0x3d/0x3d [ 3282.085281] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3282.136994] [] ? __check_object_size+0x1e1/0x2b8 [ 3282.200633] [] ? 0xffffffffb1c002b8 [ 3282.250436] [] ? copy_mount_options+0x23d/0x24d [ 3282.302145] [] SyS_mount+0xa3/0xda [ 3282.351071] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3282.410283] ================================================================================ [ 3282.483650] ================================================================================ [ 3282.560381] UBSAN: Undefined behaviour in fs/ext4/super.c:4983:40 [ 3282.622747] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3282.704640] which requires 64 byte alignment [ 3282.741651] CPU: 0 PID: 602 Comm: mount Tainted: G L 4.8.11 #1 [ 3282.804757] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3282.893069] 00000000ffffffff 000000000f73d42b ffff88009f027ab0 ffffffffb26ec5cc [ 3282.956639] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3283.035457] ffff880000000010 ffff88009f027ad8 ffff88009f027a88 ffffffffb363c3e0 [ 3283.104356] Call Trace: [ 3283.124124] [] dump_stack+0xd7/0x132 [ 3283.165679] [] ? arch_local_irq_restore+0x1b/0x1b [ 3283.229220] [] ubsan_epilogue+0x12/0x53 [ 3283.280876] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3283.338708] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3283.400814] [] ? ext4_setup_system_zone+0x58f/0x5a1 [ 3283.469417] [] ext4_remount+0x1645/0x1ade [ 3283.522747] [] ? ext4_register_li_request+0x634/0x634 [ 3283.585045] [] ? ext4_register_li_request+0x634/0x634 [ 3283.650424] [] do_remount_sb+0x2fd/0x50c [ 3283.700729] [] do_mount+0x796/0x19df [ 3283.743785] [] ? kasan_kmalloc+0x94/0xa3 [ 3283.794963] [] ? copy_mount_string+0x3d/0x3d [ 3283.847077] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3283.896091] [] ? __check_object_size+0x1e1/0x2b8 [ 3283.959624] [] ? 0xffffffffb1c002b8 [ 3284.005033] [] ? copy_mount_options+0x23d/0x24d [ 3284.059587] [] SyS_mount+0xa3/0xda [ 3284.106848] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3284.169637] ================================================================================ [ 3284.241455] EXT4-fs (sda): re-mounted. Opts: (null) [ 3284.241953] ================================================================================ [ 3284.241959] UBSAN: Undefined behaviour in ./include/linux/rhashtable.h:278:12 [ 3284.241963] member access within misaligned address ffff8800a2ee0008 for type 'const struct bucket_table' [ 3284.241965] which requires 64 byte alignment [ 3284.241973] CPU: 2 PID: 52 Comm: kworker/2:1 Tainted: G L 4.8.11 #1 [ 3284.241976] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3284.241991] Workqueue: events rht_deferred_worker [ 3284.242000] 00000000ffffffff 0000000046ca1d70 ffff8800a24afb48 ffffffffb26ec5cc [ 3284.242008] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3284.242015] ffff880000000010 ffff8800a24afb70 ffff8800a24afb20 ffffffffb363c3e0 [ 3284.242016] Call Trace: [ 3284.242025] [] dump_stack+0xd7/0x132 [ 3284.242032] [] ? arch_local_irq_restore+0x1b/0x1b [ 3284.242039] [] ubsan_epilogue+0x12/0x53 [ 3284.242047] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3284.242054] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3284.242062] [] ? __asan_storeN+0x12/0x14 [ 3284.242069] [] ? native_load_sp0+0x5d/0x66 [ 3284.242077] [] rht_deferred_worker+0x370/0xbe7 [ 3284.242083] [] ? __list_add+0x249/0x249 [ 3284.242091] [] ? bucket_table_alloc+0x544/0x544 [ 3284.242098] [] ? get_work_pwq+0x58/0x58 [ 3284.242105] [] process_one_work+0x54a/0x88e [ 3284.242113] [] ? create_worker+0x528/0x528 [ 3284.242120] [] ? worker_clr_flags+0x187/0x193 [ 3284.242128] [] worker_thread+0x67c/0x857 [ 3284.242134] [] kthread+0x1f7/0x20b [ 3284.242141] [] ? rescuer_thread+0x91f/0x91f [ 3284.242148] [] ? init_completion+0x48/0x48 [ 3284.242157] [] ret_from_fork+0x1f/0x40 [ 3284.242163] [] ? init_completion+0x48/0x48 [ 3284.242166] ================================================================================ [ 3284.242306] ================================================================================ [ 3284.242311] UBSAN: Undefined behaviour in lib/rhashtable.c:339:13 [ 3284.242315] member access within misaligned address ffff8800a2ee0008 for type 'struct bucket_table' [ 3284.242317] which requires 64 byte alignment [ 3284.242322] CPU: 2 PID: 52 Comm: kworker/2:1 Tainted: G L 4.8.11 #1 [ 3284.242326] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3284.242335] Workqueue: events rht_deferred_worker [ 3284.242343] 00000000ffffffff 0000000046ca1d70 ffff8800a24afb48 ffffffffb26ec5cc [ 3284.242351] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3284.242357] ffffffff00000010 ffff8800a24afb70 ffff8800a24afb20 ffffffffb363c3e0 [ 3284.242359] Call Trace: [ 3284.242366] [] dump_stack+0xd7/0x132 [ 3284.242373] [] ? arch_local_irq_restore+0x1b/0x1b [ 3284.242379] [] ubsan_epilogue+0x12/0x53 [ 3284.242387] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3284.242394] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3284.242401] [] ? __asan_storeN+0x12/0x14 [ 3284.242407] [] ? native_load_sp0+0x5d/0x66 [ 3284.242415] [] rht_deferred_worker+0x487/0xbe7 [ 3284.242421] [] ? __list_add+0x249/0x249 [ 3284.242429] [] ? bucket_table_alloc+0x544/0x544 [ 3284.242991] [] ? get_work_pwq+0x58/0x58 [ 3284.243009] [] process_one_work+0x54a/0x88e [ 3284.243035] [] ? create_worker+0x528/0x528 [ 3284.243059] [] ? worker_clr_flags+0x187/0x193 [ 3284.243073] [] worker_thread+0x67c/0x857 [ 3284.243096] [] kthread+0x1f7/0x20b [ 3284.243108] [] ? rescuer_thread+0x91f/0x91f [ 3284.243114] [] ? init_completion+0x48/0x48 [ 3284.243123] [] ret_from_fork+0x1f/0x40 [ 3284.243129] [] ? init_completion+0x48/0x48 [ 3284.243132] ================================================================================ [ 3284.243135] ================================================================================ [ 3284.243139] UBSAN: Undefined behaviour in lib/rhashtable.c:342:6 [ 3284.243143] member access within misaligned address ffff8800a2ee0008 for type 'struct bucket_table' [ 3284.243145] which requires 64 byte alignment [ 3284.243151] CPU: 2 PID: 52 Comm: kworker/2:1 Tainted: G L 4.8.11 #1 [ 3284.243155] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3284.243166] Workqueue: events rht_deferred_worker [ 3284.243174] 00000000ffffffff 0000000046ca1d70 ffff8800a24afb48 ffffffffb26ec5cc [ 3284.243181] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3284.243188] ffffffff00000010 ffff8800a24afb70 ffff8800a24afb20 ffffffffb363c3e0 [ 3284.243189] Call Trace: [ 3284.243196] [] dump_stack+0xd7/0x132 [ 3284.243203] [] ? arch_local_irq_restore+0x1b/0x1b [ 3284.243210] [] ubsan_epilogue+0x12/0x53 [ 3284.243217] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3284.243224] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3284.243231] [] ? __asan_storeN+0x12/0x14 [ 3284.243238] [] ? native_load_sp0+0x5d/0x66 [ 3284.243246] [] rht_deferred_worker+0x4b4/0xbe7 [ 3284.243252] [] ? __list_add+0x249/0x249 [ 3284.243260] [] ? bucket_table_alloc+0x544/0x544 [ 3284.243266] [] ? get_work_pwq+0x58/0x58 [ 3284.243274] [] process_one_work+0x54a/0x88e [ 3284.243281] [] ? create_worker+0x528/0x528 [ 3284.243289] [] ? worker_clr_flags+0x187/0x193 [ 3284.243296] [] worker_thread+0x67c/0x857 [ 3284.243302] [] kthread+0x1f7/0x20b [ 3284.243310] [] ? rescuer_thread+0x91f/0x91f [ 3284.243316] [] ? init_completion+0x48/0x48 [ 3284.243324] [] ret_from_fork+0x1f/0x40 [ 3284.243330] [] ? init_completion+0x48/0x48 [ 3284.243333] ================================================================================ [ 3286.631398] ================================================================================ [ 3286.661033] UBSAN: Undefined behaviour in fs/ext4/file.c:334:22 [ 3286.679142] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3286.708702] which requires 64 byte alignment [ 3286.720757] CPU: 0 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3286.747211] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3286.778825] 00000000ffffffff 0000000085726089 ffff88009fbf76d0 ffffffffb26ec5cc [ 3286.801709] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3286.823973] 0000000000000010 ffff88009fbf76f8 ffff88009fbf76a8 ffffffffb363c3e0 [ 3286.849028] Call Trace: [ 3286.856644] [] dump_stack+0xd7/0x132 [ 3286.873447] [] ? arch_local_irq_restore+0x1b/0x1b [ 3286.895853] [] ubsan_epilogue+0x12/0x53 [ 3286.913306] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3286.937770] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3286.958485] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3286.982579] [] ? security_inode_permission+0xd0/0xdd [ 3287.005107] [] ext4_file_open+0x1c1/0x6e3 [ 3287.022231] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3287.043516] [] ? __fsnotify_parent+0x229/0x238 [ 3287.062165] [] ? break_lease+0xf3/0x102 [ 3287.078725] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3287.095523] [] do_dentry_open+0x775/0xa9a [ 3287.113105] [] vfs_open+0x1a5/0x1be [ 3287.129022] [] path_openat+0x1f94/0x2525 [ 3287.145654] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3287.165088] [] ? prepare_exec_creds+0x16/0xdd [ 3287.184433] [] ? do_syscall_64+0x146/0x189 [ 3287.199802] [] ? entry_SYSCALL64_slow_path+0x25/0x25 [ 3287.220841] [] ? may_open+0x1c0/0x1c0 [ 3287.239108] [] ? init_object+0x1d6/0x1e2 [ 3287.258803] [] ? aa_alloc_task_context+0x45/0x6b [ 3287.278490] [] ? ___slab_alloc+0xb72/0xbd2 [ 3287.298480] [] ? aa_alloc_task_context+0x45/0x6b [ 3287.315669] [] ? kasan_poison_shadow+0x2f/0x31 [ 3287.336741] [] ? kasan_unpoison_shadow+0x14/0x35 [ 3287.354816] [] do_filp_open+0xe2/0x18c [ 3287.373121] [] ? path_openat+0x2525/0x2525 [ 3287.390755] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3287.412841] [] ? aa_get_label+0x98/0xa0 [ 3287.431204] [] do_open_execat+0xff/0x371 [ 3287.449430] [] ? do_open_execat+0xff/0x371 [ 3287.466714] [] ? fsnotify_open+0xd3/0xd3 [ 3287.480022] [] do_execveat_common.isra.23+0x6c5/0x1582 [ 3287.501377] [] ? prepare_bprm_creds+0x11f/0x11f [ 3287.521053] [] ? getname_flags+0x4f/0x2e0 [ 3287.539943] [] do_execve+0x37/0x40 [ 3287.555683] [] ? ptregs_sys_vfork+0x10/0x10 [ 3287.575133] [] SyS_execve+0x37/0x3b [ 3287.590492] [] do_syscall_64+0x146/0x189 [ 3287.606808] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3287.627142] ================================================================================ [ 3287.650776] ================================================================================ [ 3287.678704] UBSAN: Undefined behaviour in fs/ext4/file.c:334:22 [ 3287.695978] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3287.722455] which requires 64 byte alignment [ 3287.735223] CPU: 0 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3287.758219] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3287.786876] 00000000ffffffff 0000000085726089 ffff88009fbf76d0 ffffffffb26ec5cc [ 3287.810970] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3287.835079] ffff880000000010 ffff88009fbf76f8 ffff88009fbf76a8 ffffffffb363c3e0 [ 3287.859482] Call Trace: [ 3287.866990] [] dump_stack+0xd7/0x132 [ 3287.884456] [] ? arch_local_irq_restore+0x1b/0x1b [ 3287.903900] [] ubsan_epilogue+0x12/0x53 [ 3287.920561] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3287.942907] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3287.963654] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3287.983948] [] ? security_inode_permission+0xd0/0xdd [ 3288.004461] [] ext4_file_open+0x1df/0x6e3 [ 3288.022271] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3288.041456] [] ? __fsnotify_parent+0x229/0x238 [ 3288.062614] [] ? break_lease+0xf3/0x102 [ 3288.079167] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3288.097770] [] do_dentry_open+0x775/0xa9a [ 3288.116978] [] vfs_open+0x1a5/0x1be [ 3288.132661] [] path_openat+0x1f94/0x2525 [ 3288.151389] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3288.173022] [] ? prepare_exec_creds+0x16/0xdd [ 3288.191947] [] ? do_syscall_64+0x146/0x189 [ 3288.208141] [] ? entry_SYSCALL64_slow_path+0x25/0x25 [ 3288.229425] [] ? may_open+0x1c0/0x1c0 [ 3288.246410] [] ? init_object+0x1d6/0x1e2 [ 3288.267044] [] ? aa_alloc_task_context+0x45/0x6b [ 3288.286400] [] ? ___slab_alloc+0xb72/0xbd2 [ 3288.306402] [] ? aa_alloc_task_context+0x45/0x6b [ 3288.323820] [] ? kasan_poison_shadow+0x2f/0x31 [ 3288.343702] [] ? kasan_unpoison_shadow+0x14/0x35 [ 3288.363793] [] do_filp_open+0xe2/0x18c [ 3288.380944] [] ? path_openat+0x2525/0x2525 [ 3288.399732] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3288.420888] [] ? aa_get_label+0x98/0xa0 [ 3288.438386] [] do_open_execat+0xff/0x371 [ 3288.456357] [] ? do_open_execat+0xff/0x371 [ 3288.475300] [] ? fsnotify_open+0xd3/0xd3 [ 3288.491402] [] do_execveat_common.isra.23+0x6c5/0x1582 [ 3288.511876] [] ? prepare_bprm_creds+0x11f/0x11f [ 3288.527615] [] ? getname_flags+0x4f/0x2e0 [ 3288.548315] [] do_execve+0x37/0x40 [ 3288.568490] [] ? ptregs_sys_vfork+0x10/0x10 [ 3288.586671] [] SyS_execve+0x37/0x3b [ 3288.600701] [] do_syscall_64+0x146/0x189 [ 3288.618704] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3288.637455] ================================================================================ [ 3288.674192] ================================================================================ [ 3288.699303] UBSAN: Undefined behaviour in fs/ext4/ext4_jbd2.c:46:8 [ 3288.718935] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3288.744701] which requires 64 byte alignment [ 3288.759378] CPU: 1 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3288.785504] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3288.815173] 00000000ffffffff 0000000085726089 ffff88009fbf7668 ffffffffb26ec5cc [ 3288.839976] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3288.862618] 01ffed0000000010 ffff88009fbf7690 ffff88009fbf7640 ffffffffb363c3e0 [ 3288.890727] Call Trace: [ 3288.896875] [] dump_stack+0xd7/0x132 [ 3288.914611] [] ? arch_local_irq_restore+0x1b/0x1b [ 3288.935177] [] ubsan_epilogue+0x12/0x53 [ 3288.952016] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3288.973655] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3288.995265] [] ? prepend_path+0x6b6/0x6b6 [ 3289.010179] [] ext4_journal_check_start+0x32/0x15a [ 3289.033109] [] __ext4_journal_start_sb+0xa3/0x1f3 [ 3289.053136] [] ? ext4_file_open+0x287/0x6e3 [ 3289.071892] [] ext4_file_open+0x287/0x6e3 [ 3289.090591] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3289.109579] [] ? break_lease+0xf3/0x102 [ 3289.123066] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3289.141182] [] do_dentry_open+0x775/0xa9a [ 3289.158859] [] vfs_open+0x1a5/0x1be [ 3289.175506] [] path_openat+0x1f94/0x2525 [ 3289.194934] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3289.215135] [] ? prepare_exec_creds+0x16/0xdd [ 3289.235224] [] ? do_syscall_64+0x146/0x189 [ 3289.255645] [] ? entry_SYSCALL64_slow_path+0x25/0x25 [ 3289.274828] [] ? may_open+0x1c0/0x1c0 [ 3289.293483] [] ? init_object+0x1d6/0x1e2 [ 3289.311608] [] ? aa_alloc_task_context+0x45/0x6b [ 3289.330219] [] ? ___slab_alloc+0xb72/0xbd2 [ 3289.345108] [] ? aa_alloc_task_context+0x45/0x6b [ 3289.363835] [] ? kasan_poison_shadow+0x2f/0x31 [ 3289.384921] [] ? kasan_unpoison_shadow+0x14/0x35 [ 3289.405425] [] do_filp_open+0xe2/0x18c [ 3289.421119] [] ? path_openat+0x2525/0x2525 [ 3289.438931] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3289.458351] [] ? aa_get_label+0x98/0xa0 [ 3289.474655] [] do_open_execat+0xff/0x371 [ 3289.491120] [] ? do_open_execat+0xff/0x371 [ 3289.510764] [] ? fsnotify_open+0xd3/0xd3 [ 3289.528175] [] do_execveat_common.isra.23+0x6c5/0x1582 [ 3289.551387] [] ? prepare_bprm_creds+0x11f/0x11f [ 3289.573312] [] ? getname_flags+0x4f/0x2e0 [ 3289.589693] [] do_execve+0x37/0x40 [ 3289.605618] [] ? ptregs_sys_vfork+0x10/0x10 [ 3289.626158] [] SyS_execve+0x37/0x3b [ 3289.638728] [] do_syscall_64+0x146/0x189 [ 3289.656283] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3289.678534] ================================================================================ [ 3289.717253] ================================================================================ [ 3289.762777] UBSAN: Undefined behaviour in fs/ext4/ext4_jbd2.c:48:2 [ 3289.797488] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3289.836656] which requires 64 byte alignment [ 3289.847458] CPU: 1 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3289.872945] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3289.903023] 00000000ffffffff 0000000085726089 ffff88009fbf7668 ffffffffb26ec5cc [ 3289.924522] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3289.947043] ffffffff00000010 ffff88009fbf7690 ffff88009fbf7640 ffffffffb363c3e0 [ 3289.971139] Call Trace: [ 3289.978541] [] dump_stack+0xd7/0x132 [ 3289.995031] [] ? arch_local_irq_restore+0x1b/0x1b [ 3290.014520] [] ubsan_epilogue+0x12/0x53 [ 3290.031547] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3290.053708] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3290.077728] [] ? prepend_path+0x6b6/0x6b6 [ 3290.096472] [] ext4_journal_check_start+0x69/0x15a [ 3290.119689] [] __ext4_journal_start_sb+0xa3/0x1f3 [ 3290.140625] [] ? ext4_file_open+0x287/0x6e3 [ 3290.159615] [] ext4_file_open+0x287/0x6e3 [ 3290.177014] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3290.195217] [] ? break_lease+0xf3/0x102 [ 3290.211493] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3290.231718] [] do_dentry_open+0x775/0xa9a [ 3290.248794] [] vfs_open+0x1a5/0x1be [ 3290.265565] [] path_openat+0x1f94/0x2525 [ 3290.284238] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3290.306664] [] ? prepare_exec_creds+0x16/0xdd [ 3290.322469] [] ? do_syscall_64+0x146/0x189 [ 3290.339885] [] ? entry_SYSCALL64_slow_path+0x25/0x25 [ 3290.362660] [] ? may_open+0x1c0/0x1c0 [ 3290.380747] [] ? init_object+0x1d6/0x1e2 [ 3290.400332] [] ? aa_alloc_task_context+0x45/0x6b [ 3290.420486] [] ? ___slab_alloc+0xb72/0xbd2 [ 3290.439466] [] ? aa_alloc_task_context+0x45/0x6b [ 3290.460988] [] ? kasan_poison_shadow+0x2f/0x31 [ 3290.480545] [] ? kasan_unpoison_shadow+0x14/0x35 [ 3290.501343] [] do_filp_open+0xe2/0x18c [ 3290.518769] [] ? path_openat+0x2525/0x2525 [ 3290.537084] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3290.556602] [] ? aa_get_label+0x98/0xa0 [ 3290.573774] [] do_open_execat+0xff/0x371 [ 3290.593211] [] ? do_open_execat+0xff/0x371 [ 3290.615919] [] ? fsnotify_open+0xd3/0xd3 [ 3290.633714] [] do_execveat_common.isra.23+0x6c5/0x1582 [ 3290.654171] [] ? prepare_bprm_creds+0x11f/0x11f [ 3290.676354] [] ? getname_flags+0x4f/0x2e0 [ 3290.694818] [] do_execve+0x37/0x40 [ 3290.712342] [] ? ptregs_sys_vfork+0x10/0x10 [ 3290.732843] [] SyS_execve+0x37/0x3b [ 3290.749287] [] do_syscall_64+0x146/0x189 [ 3290.764823] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3290.786421] ================================================================================ [ 3290.813589] ================================================================================ [ 3290.841042] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3290.859773] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3290.890637] which requires 64 byte alignment [ 3290.906213] CPU: 1 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3290.928969] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3290.957425] 00000000ffffffff 0000000085726089 ffff88009fbf7668 ffffffffb26ec5cc [ 3290.982266] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3291.006447] ffffffff00000010 ffff88009fbf7690 ffff88009fbf7640 ffffffffb363c3e0 [ 3291.031863] Call Trace: [ 3291.039313] [] dump_stack+0xd7/0x132 [ 3291.056155] [] ? arch_local_irq_restore+0x1b/0x1b [ 3291.074904] [] ubsan_epilogue+0x12/0x53 [ 3291.095906] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3291.118803] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3291.140471] [] ? prepend_path+0x6b6/0x6b6 [ 3291.159145] [] ext4_journal_check_start+0xb2/0x15a [ 3291.178666] [] __ext4_journal_start_sb+0xa3/0x1f3 [ 3291.198783] [] ? ext4_file_open+0x287/0x6e3 [ 3291.216839] [] ext4_file_open+0x287/0x6e3 [ 3291.235855] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3291.255268] [] ? break_lease+0xf3/0x102 [ 3291.270737] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3291.288122] [] do_dentry_open+0x775/0xa9a [ 3291.305096] [] vfs_open+0x1a5/0x1be [ 3291.321472] [] path_openat+0x1f94/0x2525 [ 3291.337679] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3291.359952] [] ? prepare_exec_creds+0x16/0xdd [ 3291.378566] [] ? do_syscall_64+0x146/0x189 [ 3291.397160] [] ? entry_SYSCALL64_slow_path+0x25/0x25 [ 3291.415267] [] ? may_open+0x1c0/0x1c0 [ 3291.432638] [] ? init_object+0x1d6/0x1e2 [ 3291.448385] [] ? aa_alloc_task_context+0x45/0x6b [ 3291.471878] [] ? ___slab_alloc+0xb72/0xbd2 [ 3291.490365] [] ? aa_alloc_task_context+0x45/0x6b [ 3291.511492] [] ? kasan_poison_shadow+0x2f/0x31 [ 3291.528498] [] ? kasan_unpoison_shadow+0x14/0x35 [ 3291.546319] [] do_filp_open+0xe2/0x18c [ 3291.565681] [] ? path_openat+0x2525/0x2525 [ 3291.587348] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3291.607119] [] ? aa_get_label+0x98/0xa0 [ 3291.627395] [] do_open_execat+0xff/0x371 [ 3291.644615] [] ? do_open_execat+0xff/0x371 [ 3291.664624] [] ? fsnotify_open+0xd3/0xd3 [ 3291.682782] [] do_execveat_common.isra.23+0x6c5/0x1582 [ 3291.700898] [] ? prepare_bprm_creds+0x11f/0x11f [ 3291.720167] [] ? getname_flags+0x4f/0x2e0 [ 3291.739425] [] do_execve+0x37/0x40 [ 3291.755143] [] ? ptregs_sys_vfork+0x10/0x10 [ 3291.775574] [] SyS_execve+0x37/0x3b [ 3291.792793] [] do_syscall_64+0x146/0x189 [ 3291.809378] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3291.828930] ================================================================================ [ 3291.855951] ================================================================================ [ 3291.911551] UBSAN: Undefined behaviour in fs/ext4/ext4_jbd2.c:49:10 [ 3291.947527] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3292.010749] which requires 64 byte alignment [ 3292.035441] CPU: 1 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3292.086078] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3292.135710] 00000000ffffffff 0000000085726089 ffff88009fbf7668 ffffffffb26ec5cc [ 3292.181151] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3292.234565] ffffffff00000010 ffff88009fbf7690 ffff88009fbf7640 ffffffffb363c3e0 [ 3292.280112] Call Trace: [ 3292.297554] [] dump_stack+0xd7/0x132 [ 3292.327429] [] ? arch_local_irq_restore+0x1b/0x1b [ 3292.364248] [] ubsan_epilogue+0x12/0x53 [ 3292.396589] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3292.444892] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3292.489634] [] ? prepend_path+0x6b6/0x6b6 [ 3292.523152] [] ext4_journal_check_start+0xdf/0x15a [ 3292.560491] [] __ext4_journal_start_sb+0xa3/0x1f3 [ 3292.600425] [] ? ext4_file_open+0x287/0x6e3 [ 3292.636971] [] ext4_file_open+0x287/0x6e3 [ 3292.675869] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3292.719623] [] ? break_lease+0xf3/0x102 [ 3292.760364] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3292.802330] [] do_dentry_open+0x775/0xa9a [ 3292.835041] [] vfs_open+0x1a5/0x1be [ 3292.865124] [] path_openat+0x1f94/0x2525 [ 3292.903330] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3292.940848] [] ? prepare_exec_creds+0x16/0xdd [ 3292.977434] [] ? do_syscall_64+0x146/0x189 [ 3293.011096] [] ? entry_SYSCALL64_slow_path+0x25/0x25 [ 3293.048649] [] ? may_open+0x1c0/0x1c0 [ 3293.080889] [] ? init_object+0x1d6/0x1e2 [ 3293.114501] [] ? aa_alloc_task_context+0x45/0x6b [ 3293.155854] [] ? ___slab_alloc+0xb72/0xbd2 [ 3293.185749] [] ? aa_alloc_task_context+0x45/0x6b [ 3293.223644] [] ? kasan_poison_shadow+0x2f/0x31 [ 3293.263457] [] ? kasan_unpoison_shadow+0x14/0x35 [ 3293.298793] [] do_filp_open+0xe2/0x18c [ 3293.338655] [] ? path_openat+0x2525/0x2525 [ 3293.371936] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3293.410914] [] ? aa_get_label+0x98/0xa0 [ 3293.449038] [] do_open_execat+0xff/0x371 [ 3293.482497] [] ? do_open_execat+0xff/0x371 [ 3293.515830] [] ? fsnotify_open+0xd3/0xd3 [ 3293.549776] [] do_execveat_common.isra.23+0x6c5/0x1582 [ 3293.591036] [] ? prepare_bprm_creds+0x11f/0x11f [ 3293.620526] [] ? getname_flags+0x4f/0x2e0 [ 3293.655474] [] do_execve+0x37/0x40 [ 3293.687213] [] ? ptregs_sys_vfork+0x10/0x10 [ 3293.728467] [] SyS_execve+0x37/0x3b [ 3293.759464] [] do_syscall_64+0x146/0x189 [ 3293.793060] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3293.836597] ================================================================================ [ 3293.888155] ================================================================================ [ 3293.940631] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3293.978064] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3294.033749] which requires 64 byte alignment [ 3294.059905] CPU: 1 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3294.108719] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3294.174932] 00000000ffffffff 0000000085726089 ffff88009fbf7688 ffffffffb26ec5cc [ 3294.223296] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3294.276426] ffffffff00000010 ffff88009fbf76b0 ffff88009fbf7660 ffffffffb363c3e0 [ 3294.320132] Call Trace: [ 3294.333039] [] dump_stack+0xd7/0x132 [ 3294.365481] [] ? arch_local_irq_restore+0x1b/0x1b [ 3294.415851] [] ubsan_epilogue+0x12/0x53 [ 3294.473508] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3294.524499] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3294.579638] [] __ext4_journal_start_sb+0xd5/0x1f3 [ 3294.621689] [] ? ext4_file_open+0x287/0x6e3 [ 3294.682593] [] ext4_file_open+0x287/0x6e3 [ 3294.738712] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3294.781361] [] ? break_lease+0xf3/0x102 [ 3294.822845] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3294.876704] [] do_dentry_open+0x775/0xa9a [ 3294.933628] [] vfs_open+0x1a5/0x1be [ 3294.964119] [] path_openat+0x1f94/0x2525 [ 3294.999665] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3295.040694] [] ? prepare_exec_creds+0x16/0xdd [ 3295.082082] [] ? do_syscall_64+0x146/0x189 [ 3295.116674] [] ? entry_SYSCALL64_slow_path+0x25/0x25 [ 3295.157083] [] ? may_open+0x1c0/0x1c0 [ 3295.191981] [] ? init_object+0x1d6/0x1e2 [ 3295.224917] [] ? aa_alloc_task_context+0x45/0x6b [ 3295.264871] [] ? ___slab_alloc+0xb72/0xbd2 [ 3295.303821] [] ? aa_alloc_task_context+0x45/0x6b [ 3295.346721] [] ? kasan_poison_shadow+0x2f/0x31 [ 3295.386054] [] ? kasan_unpoison_shadow+0x14/0x35 [ 3295.422788] [] do_filp_open+0xe2/0x18c [ 3295.460344] [] ? path_openat+0x2525/0x2525 [ 3295.493010] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3295.535830] [] ? aa_get_label+0x98/0xa0 [ 3295.571955] [] do_open_execat+0xff/0x371 [ 3295.605027] [] ? do_open_execat+0xff/0x371 [ 3295.649268] [] ? fsnotify_open+0xd3/0xd3 [ 3295.677766] [] do_execveat_common.isra.23+0x6c5/0x1582 [ 3295.727604] [] ? prepare_bprm_creds+0x11f/0x11f [ 3295.764083] [] ? getname_flags+0x4f/0x2e0 [ 3295.797689] [] do_execve+0x37/0x40 [ 3295.835672] [] ? ptregs_sys_vfork+0x10/0x10 [ 3295.875139] [] SyS_execve+0x37/0x3b [ 3295.906985] [] do_syscall_64+0x146/0x189 [ 3295.942340] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3295.987073] ================================================================================ [ 3296.037042] ================================================================================ [ 3296.094623] UBSAN: Undefined behaviour in fs/ext4/ext4_jbd2.c:73:10 [ 3296.131102] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3296.194832] which requires 64 byte alignment [ 3296.220785] CPU: 1 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3296.269091] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3296.330315] 00000000ffffffff 0000000085726089 ffff88009fbf7688 ffffffffb26ec5cc [ 3296.375749] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3296.429688] ffffffff00000010 ffff88009fbf76b0 ffff88009fbf7660 ffffffffb363c3e0 [ 3296.480669] Call Trace: [ 3296.496535] [] dump_stack+0xd7/0x132 [ 3296.537748] [] ? arch_local_irq_restore+0x1b/0x1b [ 3296.576447] [] ubsan_epilogue+0x12/0x53 [ 3296.613072] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3296.653753] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3296.697242] [] __ext4_journal_start_sb+0x103/0x1f3 [ 3296.743120] [] ? ext4_file_open+0x287/0x6e3 [ 3296.778462] [] ext4_file_open+0x287/0x6e3 [ 3296.811837] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3296.847342] [] ? break_lease+0xf3/0x102 [ 3296.881039] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3296.920203] [] do_dentry_open+0x775/0xa9a [ 3296.956286] [] vfs_open+0x1a5/0x1be [ 3296.988713] [] path_openat+0x1f94/0x2525 [ 3297.017694] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3297.066751] [] ? prepare_exec_creds+0x16/0xdd [ 3297.103868] [] ? do_syscall_64+0x146/0x189 [ 3297.140697] [] ? entry_SYSCALL64_slow_path+0x25/0x25 [ 3297.180544] [] ? may_open+0x1c0/0x1c0 [ 3297.213279] [] ? init_object+0x1d6/0x1e2 [ 3297.249036] [] ? aa_alloc_task_context+0x45/0x6b [ 3297.284345] [] ? ___slab_alloc+0xb72/0xbd2 [ 3297.317529] [] ? aa_alloc_task_context+0x45/0x6b [ 3297.359817] [] ? kasan_poison_shadow+0x2f/0x31 [ 3297.397100] [] ? kasan_unpoison_shadow+0x14/0x35 [ 3297.437710] [] do_filp_open+0xe2/0x18c [ 3297.477350] [] ? path_openat+0x2525/0x2525 [ 3297.510784] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3297.552686] [] ? aa_get_label+0x98/0xa0 [ 3297.589016] [] do_open_execat+0xff/0x371 [ 3297.620657] [] ? do_open_execat+0xff/0x371 [ 3297.667481] [] ? fsnotify_open+0xd3/0xd3 [ 3297.699217] [] do_execveat_common.isra.23+0x6c5/0x1582 [ 3297.745100] [] ? prepare_bprm_creds+0x11f/0x11f [ 3297.790757] [] ? getname_flags+0x4f/0x2e0 [ 3297.816487] [] do_execve+0x37/0x40 [ 3297.854380] [] ? ptregs_sys_vfork+0x10/0x10 [ 3297.887270] [] SyS_execve+0x37/0x3b [ 3297.924587] [] do_syscall_64+0x146/0x189 [ 3297.955757] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3297.995478] ================================================================================ [ 3298.040760] ================================================================================ [ 3298.098810] UBSAN: Undefined behaviour in fs/ext4/file.c:353:10 [ 3298.138296] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3298.194707] which requires 64 byte alignment [ 3298.222801] CPU: 1 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3298.274912] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3298.332244] 00000000ffffffff 0000000085726089 ffff88009fbf76d0 ffffffffb26ec5cc [ 3298.383784] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3298.430608] ffff880000000010 ffff88009fbf76f8 ffff88009fbf76a8 ffffffffb363c3e0 [ 3298.480299] Call Trace: [ 3298.495241] [] dump_stack+0xd7/0x132 [ 3298.527770] [] ? arch_local_irq_restore+0x1b/0x1b [ 3298.570194] [] ubsan_epilogue+0x12/0x53 [ 3298.596892] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3298.644915] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3298.690448] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3298.734644] [] ext4_file_open+0x2be/0x6e3 [ 3298.767747] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3298.810632] [] ? break_lease+0xf3/0x102 [ 3298.840595] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3298.880779] [] do_dentry_open+0x775/0xa9a [ 3298.919109] [] vfs_open+0x1a5/0x1be [ 3298.949171] [] path_openat+0x1f94/0x2525 [ 3298.980075] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3299.021732] [] ? prepare_exec_creds+0x16/0xdd [ 3299.057790] [] ? do_syscall_64+0x146/0x189 [ 3299.096131] [] ? entry_SYSCALL64_slow_path+0x25/0x25 [ 3299.132050] [] ? may_open+0x1c0/0x1c0 [ 3299.164721] [] ? init_object+0x1d6/0x1e2 [ 3299.195152] [] ? aa_alloc_task_context+0x45/0x6b [ 3299.227497] [] ? ___slab_alloc+0xb72/0xbd2 [ 3299.265114] [] ? aa_alloc_task_context+0x45/0x6b [ 3299.309609] [] ? kasan_poison_shadow+0x2f/0x31 [ 3299.348227] [] ? kasan_unpoison_shadow+0x14/0x35 [ 3299.383833] [] do_filp_open+0xe2/0x18c [ 3299.420322] [] ? path_openat+0x2525/0x2525 [ 3299.456659] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3299.492104] [] ? aa_get_label+0x98/0xa0 [ 3299.533204] [] do_open_execat+0xff/0x371 [ 3299.563984] [] ? do_open_execat+0xff/0x371 [ 3299.592807] [] ? fsnotify_open+0xd3/0xd3 [ 3299.626561] [] do_execveat_common.isra.23+0x6c5/0x1582 [ 3299.670864] [] ? prepare_bprm_creds+0x11f/0x11f [ 3299.701049] [] ? getname_flags+0x4f/0x2e0 [ 3299.736444] [] do_execve+0x37/0x40 [ 3299.765052] [] ? ptregs_sys_vfork+0x10/0x10 [ 3299.811489] [] SyS_execve+0x37/0x3b [ 3299.837136] [] do_syscall_64+0x146/0x189 [ 3299.871163] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3299.916679] ================================================================================ [ 3299.969585] ================================================================================ [ 3300.027648] UBSAN: Undefined behaviour in fs/ext4/file.c:358:15 [ 3300.064640] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3300.120895] which requires 64 byte alignment [ 3300.146459] CPU: 1 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3300.190958] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3300.254757] 00000000ffffffff 0000000085726089 ffff88009fbf76d0 ffffffffb26ec5cc [ 3300.303775] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3300.344705] ffff880000000010 ffff88009fbf76f8 ffff88009fbf76a8 ffffffffb363c3e0 [ 3300.398185] Call Trace: [ 3300.411751] [] dump_stack+0xd7/0x132 [ 3300.446029] [] ? arch_local_irq_restore+0x1b/0x1b [ 3300.486297] [] ubsan_epilogue+0x12/0x53 [ 3300.520881] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3300.564063] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3300.604227] [] ext4_file_open+0x32f/0x6e3 [ 3300.648704] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3300.687416] [] ? break_lease+0xf3/0x102 [ 3300.725617] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3300.762352] [] do_dentry_open+0x775/0xa9a [ 3300.793108] [] vfs_open+0x1a5/0x1be [ 3300.834330] [] path_openat+0x1f94/0x2525 [ 3300.866883] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3300.911428] [] ? prepare_exec_creds+0x16/0xdd [ 3300.949306] [] ? do_syscall_64+0x146/0x189 [ 3300.985751] [] ? entry_SYSCALL64_slow_path+0x25/0x25 [ 3301.025119] [] ? may_open+0x1c0/0x1c0 [ 3301.058676] [] ? init_object+0x1d6/0x1e2 [ 3301.086589] [] ? aa_alloc_task_context+0x45/0x6b [ 3301.131623] [] ? ___slab_alloc+0xb72/0xbd2 [ 3301.163415] [] ? aa_alloc_task_context+0x45/0x6b [ 3301.200002] [] ? kasan_poison_shadow+0x2f/0x31 [ 3301.237112] [] ? kasan_unpoison_shadow+0x14/0x35 [ 3301.277558] [] do_filp_open+0xe2/0x18c [ 3301.314904] [] ? path_openat+0x2525/0x2525 [ 3301.347191] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3301.387079] [] ? aa_get_label+0x98/0xa0 [ 3301.418393] [] do_open_execat+0xff/0x371 [ 3301.451608] [] ? do_open_execat+0xff/0x371 [ 3301.491428] [] ? fsnotify_open+0xd3/0xd3 [ 3301.520980] [] do_execveat_common.isra.23+0x6c5/0x1582 [ 3301.560267] [] ? prepare_bprm_creds+0x11f/0x11f [ 3301.602932] [] ? getname_flags+0x4f/0x2e0 [ 3301.643250] [] do_execve+0x37/0x40 [ 3301.677444] [] ? ptregs_sys_vfork+0x10/0x10 [ 3301.709181] [] SyS_execve+0x37/0x3b [ 3301.739936] [] do_syscall_64+0x146/0x189 [ 3301.778799] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3301.815786] ================================================================================ [ 3301.870031] ================================================================================ [ 3301.924058] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3301.966361] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3302.021323] which requires 64 byte alignment [ 3302.048198] CPU: 1 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3302.088729] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3302.145433] 00000000ffffffff 0000000085726089 ffff88009fbf7698 ffffffffb26ec5cc [ 3302.193447] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3302.243672] 0000000000000010 ffff88009fbf76c0 ffff88009fbf7670 ffffffffb363c3e0 [ 3302.288956] Call Trace: [ 3302.307400] [] dump_stack+0xd7/0x132 [ 3302.336534] [] ? arch_local_irq_restore+0x1b/0x1b [ 3302.373053] [] ubsan_epilogue+0x12/0x53 [ 3302.414003] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3302.455534] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3302.498476] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3302.546218] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3302.590196] [] __ext4_handle_dirty_super+0x3c/0xdf [ 3302.631048] [] ext4_file_open+0x36d/0x6e3 [ 3302.674139] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3302.710943] [] ? break_lease+0xf3/0x102 [ 3302.737744] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3302.782731] [] do_dentry_open+0x775/0xa9a [ 3302.815622] [] vfs_open+0x1a5/0x1be [ 3302.843873] [] path_openat+0x1f94/0x2525 [ 3302.882966] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3302.918937] [] ? prepare_exec_creds+0x16/0xdd [ 3302.987726] [] ? do_syscall_64+0x146/0x189 [ 3303.105321] [] ? entry_SYSCALL64_slow_path+0x25/0x25 [ 3303.243517] [] ? may_open+0x1c0/0x1c0 [ 3303.356399] [] ? init_object+0x1d6/0x1e2 [ 3303.475815] [] ? aa_alloc_task_context+0x45/0x6b [ 3303.592845] [] ? ___slab_alloc+0xb72/0xbd2 [ 3303.717303] [] ? aa_alloc_task_context+0x45/0x6b [ 3303.860163] [] ? kasan_poison_shadow+0x2f/0x31 [ 3304.000148] [] ? kasan_unpoison_shadow+0x14/0x35 [ 3304.131199] [] do_filp_open+0xe2/0x18c [ 3304.216675] [] ? path_openat+0x2525/0x2525 [ 3304.360286] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3304.752478] [] ? aa_get_label+0x98/0xa0 [ 3304.889682] [] do_open_execat+0xff/0x371 [ 3305.068725] [] ? do_open_execat+0xff/0x371 [ 3305.221234] [] ? fsnotify_open+0xd3/0xd3 [ 3305.370518] [] do_execveat_common.isra.23+0x6c5/0x1582 [ 3305.581711] [] ? prepare_bprm_creds+0x11f/0x11f [ 3305.752993] [] ? getname_flags+0x4f/0x2e0 [ 3305.960964] [] do_execve+0x37/0x40 [ 3306.116057] [] ? ptregs_sys_vfork+0x10/0x10 [ 3306.225691] [] SyS_execve+0x37/0x3b [ 3306.359041] [] do_syscall_64+0x146/0x189 [ 3306.462676] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3306.611310] ================================================================================ [ 3306.792882] ================================================================================ [ 3306.964020] UBSAN: Undefined behaviour in fs/super.c:395:9 [ 3307.110043] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 3307.219505] which requires 64 byte alignment [ 3307.315604] CPU: 0 PID: 467 Comm: kworker/u9:0 Tainted: G L 4.8.11 #1 [ 3307.546527] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3307.721336] Workqueue: writeback wb_workfn (flush-8:0) [ 3307.861193] 00000000ffffffff 00000000115c5582 ffff88005984f948 ffffffffb26ec5cc [ 3308.080354] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3308.197160] ffff880000000010 ffff88005984f970 ffff88005984f920 ffffffffb363c3e0 [ 3308.306541] Call Trace: [ 3308.335469] [] dump_stack+0xd7/0x132 [ 3308.402947] [] ? arch_local_irq_restore+0x1b/0x1b [ 3308.484251] [] ubsan_epilogue+0x12/0x53 [ 3308.559828] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3308.636545] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3308.738910] [] ? up_write+0xd9/0xd9 [ 3308.813385] [] ? queue_io+0x323/0x3e9 [ 3308.872509] [] trylock_super+0x96/0xe5 [ 3308.956557] [] __writeback_inodes_wb+0xdd/0x1aa [ 3309.052233] [] wb_writeback+0x400/0x7d0 [ 3309.091467] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 3309.133342] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3309.171359] [] ? get_nr_inodes_unused+0x105/0x11c [ 3309.210357] [] wb_workfn+0x6de/0x936 [ 3309.242456] [] ? wb_workfn+0x6de/0x936 [ 3309.271918] [] ? inode_wait_for_writeback+0x39/0x39 [ 3309.312028] [] ? wq_nice_show+0xab/0xab [ 3309.345430] [] ? get_work_pwq+0x58/0x58 [ 3309.379576] [] process_one_work+0x54a/0x88e [ 3309.450576] [] ? create_worker+0x528/0x528 [ 3309.562504] [] ? worker_clr_flags+0x187/0x193 [ 3309.677087] [] worker_thread+0x67c/0x857 [ 3309.724668] [] kthread+0x1f7/0x20b [ 3309.758662] [] ? rescuer_thread+0x91f/0x91f [ 3309.792163] [] ? init_completion+0x48/0x48 [ 3309.834918] [] ret_from_fork+0x1f/0x40 [ 3309.868300] [] ? init_completion+0x48/0x48 [ 3309.905631] ================================================================================ [ 3309.966733] ================================================================================ [ 3310.022876] UBSAN: Undefined behaviour in fs/super.c:395:24 [ 3310.059404] member access within misaligned address ffff88005d034ac8 for type 'struct super_block' [ 3310.200821] which requires 64 byte alignment [ 3310.231785] CPU: 0 PID: 467 Comm: kworker/u9:0 Tainted: G L 4.8.11 #1 [ 3310.278830] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3310.334633] Workqueue: writeback wb_workfn (flush-8:0) [ 3310.364352] 00000000ffffffff 00000000115c5582 ffff88005984f948 ffffffffb26ec5cc [ 3310.413315] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3310.512815] ffffffff00000010 ffff88005984f970 ffff88005984f920 ffffffffb363c3e0 [ 3310.564542] Call Trace: [ 3310.573602] [] dump_stack+0xd7/0x132 [ 3310.611943] [] ? arch_local_irq_restore+0x1b/0x1b [ 3310.654503] [] ubsan_epilogue+0x12/0x53 [ 3310.687264] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3310.723362] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3310.764639] [] ? up_write+0xd9/0xd9 [ 3310.793264] [] ? queue_io+0x323/0x3e9 [ 3310.823811] [] trylock_super+0xc4/0xe5 [ 3310.858525] [] __writeback_inodes_wb+0xdd/0x1aa [ 3310.899760] [] wb_writeback+0x400/0x7d0 [ 3310.930996] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 3310.984945] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3311.024028] [] ? get_nr_inodes_unused+0x105/0x11c [ 3311.060600] [] wb_workfn+0x6de/0x936 [ 3311.088995] [] ? wb_workfn+0x6de/0x936 [ 3311.124688] [] ? inode_wait_for_writeback+0x39/0x39 [ 3311.163724] [] ? wq_nice_show+0xab/0xab [ 3311.188876] [] ? get_work_pwq+0x58/0x58 [ 3311.217060] [] process_one_work+0x54a/0x88e [ 3311.251252] [] ? create_worker+0x528/0x528 [ 3311.290288] [] ? worker_clr_flags+0x187/0x193 [ 3311.320630] [] worker_thread+0x67c/0x857 [ 3311.356791] [] kthread+0x1f7/0x20b [ 3311.385630] [] ? rescuer_thread+0x91f/0x91f [ 3311.422438] [] ? init_completion+0x48/0x48 [ 3311.464460] [] ret_from_fork+0x1f/0x40 [ 3311.501415] [] ? init_completion+0x48/0x48 [ 3311.532746] ================================================================================ [ 3311.585065] ================================================================================ [ 3311.609618] UBSAN: Undefined behaviour in fs/ext4/ext4_jbd2.c:315:22 [ 3311.627354] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3311.652008] which requires 64 byte alignment [ 3311.663756] CPU: 1 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3311.686894] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3311.712273] 00000000ffffffff 0000000085726089 ffff88009fbf7698 ffffffffb26ec5cc [ 3311.734200] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3311.752511] ffff880000000010 ffff88009fbf76c0 ffff88009fbf7670 ffffffffb363c3e0 [ 3311.773811] Call Trace: [ 3311.780884] [] dump_stack+0xd7/0x132 [ 3311.793613] [] ? arch_local_irq_restore+0x1b/0x1b [ 3311.812934] [] ubsan_epilogue+0x12/0x53 [ 3311.829454] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3311.847251] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3311.870105] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3311.890487] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3311.909745] [] __ext4_handle_dirty_super+0x69/0xdf [ 3311.927028] [] ext4_file_open+0x36d/0x6e3 [ 3311.941250] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3311.958163] [] ? break_lease+0xf3/0x102 [ 3311.972460] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3311.992527] [] do_dentry_open+0x775/0xa9a [ 3312.008235] [] vfs_open+0x1a5/0x1be [ 3312.021677] [] path_openat+0x1f94/0x2525 [ 3312.035833] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3312.055217] [] ? prepare_exec_creds+0x16/0xdd [ 3312.072126] [] ? do_syscall_64+0x146/0x189 [ 3312.085790] [] ? entry_SYSCALL64_slow_path+0x25/0x25 [ 3312.107410] [] ? may_open+0x1c0/0x1c0 [ 3312.122554] [] ? init_object+0x1d6/0x1e2 [ 3312.135442] [] ? aa_alloc_task_context+0x45/0x6b [ 3312.155624] [] ? ___slab_alloc+0xb72/0xbd2 [ 3312.171800] [] ? aa_alloc_task_context+0x45/0x6b [ 3312.189499] [] ? kasan_poison_shadow+0x2f/0x31 [ 3312.207183] [] ? kasan_unpoison_shadow+0x14/0x35 [ 3312.225032] [] do_filp_open+0xe2/0x18c [ 3312.236984] [] ? path_openat+0x2525/0x2525 [ 3312.254972] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3312.273767] [] ? aa_get_label+0x98/0xa0 [ 3312.287095] [] do_open_execat+0xff/0x371 [ 3312.303411] [] ? do_open_execat+0xff/0x371 [ 3312.318065] [] ? fsnotify_open+0xd3/0xd3 [ 3312.333662] [] do_execveat_common.isra.23+0x6c5/0x1582 [ 3312.355134] [] ? prepare_bprm_creds+0x11f/0x11f [ 3312.399540] [] ? getname_flags+0x4f/0x2e0 [ 3312.413053] [] do_execve+0x37/0x40 [ 3312.429542] [] ? ptregs_sys_vfork+0x10/0x10 [ 3312.446477] [] SyS_execve+0x37/0x3b [ 3312.461366] [] do_syscall_64+0x146/0x189 [ 3312.476164] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3312.492579] ================================================================================ [ 3312.536308] ================================================================================ [ 3312.566410] UBSAN: Undefined behaviour in fs/fs-writeback.c:2089:6 [ 3312.587854] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3312.622063] which requires 64 byte alignment [ 3312.636955] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3312.666035] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3312.702471] 00000000ffffffff 0000000085726089 ffff88009fbf7740 ffffffffb26ec5cc [ 3312.724781] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3312.751539] ffffea0000000010 ffff88009fbf7768 ffff88009fbf7718 ffffffffb363c3e0 [ 3312.777288] Call Trace: [ 3312.784853] [] dump_stack+0xd7/0x132 [ 3312.939468] [] ? arch_local_irq_restore+0x1b/0x1b [ 3312.963385] [] ubsan_epilogue+0x12/0x53 [ 3312.986212] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3313.012177] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3313.034212] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3313.053561] [] ? ext4_setattr+0x11bd/0x11bd [ 3313.070271] [] __mark_inode_dirty+0x151/0x9a3 [ 3313.086400] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3313.103470] [] generic_update_time+0x245/0x255 [ 3313.118441] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3313.140719] [] update_time+0xd0/0xdc [ 3313.155639] [] touch_atime+0x190/0x20e [ 3313.173054] [] ? atime_needs_update+0x666/0x666 [ 3313.193748] [] file_accessed+0x43/0x4b [ 3313.211589] [] generic_file_read_iter+0x1180/0x11f6 [ 3313.232209] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3313.257627] [] ? iov_iter_init+0x169/0x17d [ 3313.287763] [] new_sync_read+0x16b/0x20a [ 3313.311453] [] ? new_sync_read.part.8+0x1c/0x1c [ 3313.337202] [] ? __fsnotify_parent+0x229/0x238 [ 3313.358894] [] __vfs_read+0x12c/0x145 [ 3313.376179] [] vfs_read+0x12a/0x209 [ 3313.394165] [] kernel_read+0x10c/0x173 [ 3313.411190] [] ? setup_arg_pages+0x76a/0x76a [ 3313.430437] [] prepare_binprm+0x5fd/0x615 [ 3313.449172] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3313.470912] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3313.492586] [] ? prepare_bprm_creds+0x11f/0x11f [ 3313.512183] [] ? getname_flags+0x4f/0x2e0 [ 3313.529032] [] do_execve+0x37/0x40 [ 3313.544696] [] ? ptregs_sys_vfork+0x10/0x10 [ 3313.564039] [] SyS_execve+0x37/0x3b [ 3313.580244] [] do_syscall_64+0x146/0x189 [ 3313.597492] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3313.619391] ================================================================================ [ 3313.663763] ================================================================================ [ 3313.732219] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3313.763044] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3313.828563] which requires 64 byte alignment [ 3313.862363] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3313.913037] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3313.983557] 00000000ffffffff 0000000085726089 ffff88009fbf7618 ffffffffb26ec5cc [ 3314.025509] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3314.078319] ffffffff00000010 ffff88009fbf7640 ffff88009fbf75f0 ffffffffb363c3e0 [ 3314.141873] Call Trace: [ 3314.150527] [] dump_stack+0xd7/0x132 [ 3314.204316] [] ? arch_local_irq_restore+0x1b/0x1b [ 3314.244136] [] ubsan_epilogue+0x12/0x53 [ 3314.286456] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3314.324717] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3314.367303] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3314.408656] [] ? ext4_setattr+0x11bd/0x11bd [ 3314.452628] [] ext4_mark_inode_dirty+0xe0/0x7a3 [ 3314.485716] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3314.557809] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3314.598250] [] ? ext4_setattr+0x11bd/0x11bd [ 3314.628719] [] ext4_dirty_inode+0x58/0x76 [ 3314.656345] [] __mark_inode_dirty+0x174/0x9a3 [ 3314.687714] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3314.721114] [] generic_update_time+0x245/0x255 [ 3314.757346] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3314.792918] [] update_time+0xd0/0xdc [ 3314.815129] [] touch_atime+0x190/0x20e [ 3314.843599] [] ? atime_needs_update+0x666/0x666 [ 3314.874103] [] file_accessed+0x43/0x4b [ 3314.898745] [] generic_file_read_iter+0x1180/0x11f6 [ 3314.942374] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3314.980190] [] ? iov_iter_init+0x169/0x17d [ 3315.006466] [] new_sync_read+0x16b/0x20a [ 3315.036717] [] ? new_sync_read.part.8+0x1c/0x1c [ 3315.071530] [] ? __fsnotify_parent+0x229/0x238 [ 3315.108331] [] __vfs_read+0x12c/0x145 [ 3315.141241] [] vfs_read+0x12a/0x209 [ 3315.167705] [] kernel_read+0x10c/0x173 [ 3315.197567] [] ? setup_arg_pages+0x76a/0x76a [ 3315.229472] [] prepare_binprm+0x5fd/0x615 [ 3315.257261] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3315.293921] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3315.327531] [] ? prepare_bprm_creds+0x11f/0x11f [ 3315.369716] [] ? getname_flags+0x4f/0x2e0 [ 3315.393219] [] do_execve+0x37/0x40 [ 3315.418102] [] ? ptregs_sys_vfork+0x10/0x10 [ 3315.449935] [] SyS_execve+0x37/0x3b [ 3315.478594] [] do_syscall_64+0x146/0x189 [ 3315.505261] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3315.539748] ================================================================================ [ 3315.594099] ================================================================================ [ 3315.631625] UBSAN: Undefined behaviour in fs/ext4/inode.c:5466:40 [ 3315.673003] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3315.722298] which requires 64 byte alignment [ 3315.749658] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3315.789871] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3315.840796] 00000000ffffffff 0000000085726089 ffff88009fbf7618 ffffffffb26ec5cc [ 3315.882177] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3315.929459] 0000000000000010 ffff88009fbf7640 ffff88009fbf75f0 ffffffffb363c3e0 [ 3315.972371] Call Trace: [ 3315.980244] [] dump_stack+0xd7/0x132 [ 3316.014000] [] ? arch_local_irq_restore+0x1b/0x1b [ 3316.060758] [] ubsan_epilogue+0x12/0x53 [ 3316.075603] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3316.124850] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3316.162022] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3316.197043] [] ? ext4_setattr+0x11bd/0x11bd [ 3316.225709] [] ext4_mark_inode_dirty+0x348/0x7a3 [ 3316.258722] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3316.297374] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3316.326116] [] ? ext4_setattr+0x11bd/0x11bd [ 3316.361501] [] ext4_dirty_inode+0x58/0x76 [ 3316.391661] [] __mark_inode_dirty+0x174/0x9a3 [ 3316.425375] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3316.459613] [] generic_update_time+0x245/0x255 [ 3316.490469] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3316.519741] [] update_time+0xd0/0xdc [ 3316.547534] [] touch_atime+0x190/0x20e [ 3316.575576] [] ? atime_needs_update+0x666/0x666 [ 3316.608483] [] file_accessed+0x43/0x4b [ 3316.638331] [] generic_file_read_iter+0x1180/0x11f6 [ 3316.664680] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3316.707514] [] ? iov_iter_init+0x169/0x17d [ 3316.737059] [] new_sync_read+0x16b/0x20a [ 3316.759772] [] ? new_sync_read.part.8+0x1c/0x1c [ 3316.791255] [] ? __fsnotify_parent+0x229/0x238 [ 3316.831736] [] __vfs_read+0x12c/0x145 [ 3316.856511] [] vfs_read+0x12a/0x209 [ 3316.883861] [] kernel_read+0x10c/0x173 [ 3316.947062] [] ? setup_arg_pages+0x76a/0x76a [ 3316.999756] [] prepare_binprm+0x5fd/0x615 [ 3317.028738] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3317.076079] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3317.123733] [] ? prepare_bprm_creds+0x11f/0x11f [ 3317.158159] [] ? getname_flags+0x4f/0x2e0 [ 3317.207319] [] do_execve+0x37/0x40 [ 3317.231611] [] ? ptregs_sys_vfork+0x10/0x10 [ 3317.261006] [] SyS_execve+0x37/0x3b [ 3317.291063] [] do_syscall_64+0x146/0x189 [ 3317.330774] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3317.374054] ================================================================================ [ 3317.424205] ================================================================================ [ 3317.477907] UBSAN: Undefined behaviour in fs/ext4/inode.c:5371:6 [ 3317.509001] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3317.561633] which requires 64 byte alignment [ 3317.590319] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3317.646180] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3317.733556] 00000000ffffffff 0000000085726089 ffff88009fbf7510 ffffffffb26ec5cc [ 3317.798867] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3317.876912] 0000000000000010 ffff88009fbf7538 ffff88009fbf74e8 ffffffffb363c3e0 [ 3317.931544] Call Trace: [ 3317.954789] [] dump_stack+0xd7/0x132 [ 3317.995365] [] ? arch_local_irq_restore+0x1b/0x1b [ 3318.030939] [] ubsan_epilogue+0x12/0x53 [ 3318.074454] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3318.115000] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3318.159338] [] ? ext4_setattr+0x11bd/0x11bd [ 3318.196474] [] ext4_mark_iloc_dirty+0xd5/0x204e [ 3318.245921] [] ? arch_local_irq_restore+0x6/0xd [ 3318.306510] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3318.363297] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3318.404660] [] ? ext4_setattr+0x11bd/0x11bd [ 3318.436896] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3318.472242] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3318.511717] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3318.558316] [] ? ext4_setattr+0x11bd/0x11bd [ 3318.596623] [] ext4_dirty_inode+0x58/0x76 [ 3318.634701] [] __mark_inode_dirty+0x174/0x9a3 [ 3318.668921] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3318.711661] [] generic_update_time+0x245/0x255 [ 3318.745355] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3318.787071] [] update_time+0xd0/0xdc [ 3318.822728] [] touch_atime+0x190/0x20e [ 3318.854103] [] ? atime_needs_update+0x666/0x666 [ 3318.880941] [] file_accessed+0x43/0x4b [ 3318.920781] [] generic_file_read_iter+0x1180/0x11f6 [ 3318.956933] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3319.004067] [] ? iov_iter_init+0x169/0x17d [ 3319.039083] [] new_sync_read+0x16b/0x20a [ 3319.073790] [] ? new_sync_read.part.8+0x1c/0x1c [ 3319.107278] [] ? __fsnotify_parent+0x229/0x238 [ 3319.146400] [] __vfs_read+0x12c/0x145 [ 3319.169525] [] vfs_read+0x12a/0x209 [ 3319.205342] [] kernel_read+0x10c/0x173 [ 3319.242743] [] ? setup_arg_pages+0x76a/0x76a [ 3319.283320] [] prepare_binprm+0x5fd/0x615 [ 3319.316685] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3319.371778] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3319.422304] [] ? prepare_bprm_creds+0x11f/0x11f [ 3319.453586] [] ? getname_flags+0x4f/0x2e0 [ 3319.482272] [] do_execve+0x37/0x40 [ 3319.515400] [] ? ptregs_sys_vfork+0x10/0x10 [ 3319.557763] [] SyS_execve+0x37/0x3b [ 3319.581730] [] do_syscall_64+0x146/0x189 [ 3319.635422] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3319.679527] ================================================================================ [ 3319.728761] ================================================================================ [ 3319.776960] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3319.812929] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3319.865336] which requires 64 byte alignment [ 3319.889926] CPU: 0 PID: 166 Comm: jbd2/sda-8 Tainted: G L 4.8.11 #1 [ 3319.937420] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3319.988696] 00000000ffffffff 00000000a0f1c017 ffff88005aa9f6c0 ffffffffb26ec5cc [ 3320.028868] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3320.069007] ffff880000000010 ffff88005aa9f6e8 ffff88005aa9f698 ffffffffb363c3e0 [ 3320.118127] Call Trace: [ 3320.127989] [] dump_stack+0xd7/0x132 [ 3320.158102] [] ? arch_local_irq_restore+0x1b/0x1b [ 3320.188671] [] ubsan_epilogue+0x12/0x53 [ 3320.221866] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3320.258520] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3320.304586] [] ? __mark_inode_dirty+0x77d/0x9a3 [ 3320.330300] [] ext4_journal_commit_callback+0xc4/0x2a9 [ 3320.378348] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3320.420815] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3320.456406] [] jbd2_journal_commit_transaction+0x3f8f/0x48d8 [ 3320.497038] [] ? journal_submit_commit_record+0x494/0x494 [ 3320.545160] [] ? update_cfs_rq_load_avg+0xae8/0xcf6 [ 3320.581389] [] ? div_u64+0xcd/0xcd [ 3320.614595] [] ? idle_cpu+0x124/0x139 [ 3320.650686] [] ? select_idle_sibling+0x72/0x295 [ 3320.680742] [] ? __list_del_entry+0x20c/0x242 [ 3320.717350] [] ? __msecs_to_jiffies+0x38/0x40 [ 3320.756119] [] ? update_next_balance.constprop.23+0x5a/0x7e [ 3320.799894] [] ? pick_next_task_fair+0xac3/0xb60 [ 3320.841925] [] ? account_entity_enqueue+0x36a/0x36a [ 3320.873968] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3320.913221] [] ? __asan_storeN+0x12/0x14 [ 3320.950880] [] ? native_load_sp0+0x5d/0x66 [ 3320.986502] [] ? finish_task_switch+0x345/0x4b3 [ 3321.018799] [] ? balance_callback+0x3a/0x137 [ 3321.057103] [] ? get_timer_cpu_base+0x141/0x151 [ 3321.089945] [] ? detach_if_pending+0x178/0x187 [ 3321.128815] [] ? _raw_spin_unlock_irqrestore+0x8/0x1d [ 3321.161798] [] ? try_to_del_timer_sync+0xf1/0x126 [ 3321.207249] [] ? del_timer+0x137/0x137 [ 3321.226590] [] ? __wake_up_common+0x75/0x14f [ 3321.268098] [] kjournald2+0x282/0x708 [ 3321.295929] [] ? kjournald2+0x282/0x708 [ 3321.326824] [] ? jbd2_seq_info_show+0x914/0x914 [ 3321.362915] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3321.404287] [] ? arch_local_irq_restore+0x6/0xd [ 3321.442771] [] kthread+0x1f7/0x20b [ 3321.469192] [] ? jbd2_seq_info_show+0x914/0x914 [ 3321.508581] [] ? init_completion+0x48/0x48 [ 3321.537192] [] ret_from_fork+0x1f/0x40 [ 3321.568840] [] ? init_completion+0x48/0x48 [ 3321.605402] ================================================================================ [ 3321.646758] ================================================================================ [ 3321.670853] UBSAN: Undefined behaviour in ./include/linux/fs.h:1446:9 [ 3321.688431] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3321.711299] which requires 64 byte alignment [ 3321.726339] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3321.748249] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3321.774069] 00000000ffffffff 0000000085726089 ffff88009fbf7510 ffffffffb26ec5cc [ 3321.798826] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3321.819922] ffff880000000010 ffff88009fbf7538 ffff88009fbf74e8 ffffffffb363c3e0 [ 3321.840400] Call Trace: [ 3321.849269] [] dump_stack+0xd7/0x132 [ 3321.868314] [] ? arch_local_irq_restore+0x1b/0x1b [ 3321.886354] [] ubsan_epilogue+0x12/0x53 [ 3321.900861] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3321.921436] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3321.938265] [] ext4_mark_iloc_dirty+0x40e/0x204e [ 3321.956094] [] ? arch_local_irq_restore+0x6/0xd [ 3321.972863] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3321.992781] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3322.014715] [] ? ext4_setattr+0x11bd/0x11bd [ 3322.032467] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3322.049853] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3322.069507] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3322.087961] [] ? ext4_setattr+0x11bd/0x11bd [ 3322.103274] [] ext4_dirty_inode+0x58/0x76 [ 3322.119728] [] __mark_inode_dirty+0x174/0x9a3 [ 3322.135893] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3322.153050] [] generic_update_time+0x245/0x255 [ 3322.171954] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3322.191298] [] update_time+0xd0/0xdc [ 3322.205450] [] touch_atime+0x190/0x20e [ 3322.221517] [] ? atime_needs_update+0x666/0x666 [ 3322.237779] [] file_accessed+0x43/0x4b [ 3322.254152] [] generic_file_read_iter+0x1180/0x11f6 [ 3322.272361] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3322.294015] [] ? iov_iter_init+0x169/0x17d [ 3322.309465] [] new_sync_read+0x16b/0x20a [ 3322.326611] [] ? new_sync_read.part.8+0x1c/0x1c [ 3322.343414] [] ? __fsnotify_parent+0x229/0x238 [ 3322.360565] [] __vfs_read+0x12c/0x145 [ 3322.376943] [] vfs_read+0x12a/0x209 [ 3322.390972] [] kernel_read+0x10c/0x173 [ 3322.406380] [] ? setup_arg_pages+0x76a/0x76a [ 3322.425676] [] prepare_binprm+0x5fd/0x615 [ 3322.440727] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3322.457894] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3322.479795] [] ? prepare_bprm_creds+0x11f/0x11f [ 3322.499554] [] ? getname_flags+0x4f/0x2e0 [ 3322.514390] [] do_execve+0x37/0x40 [ 3322.530597] [] ? ptregs_sys_vfork+0x10/0x10 [ 3322.552029] [] SyS_execve+0x37/0x3b [ 3322.565972] [] do_syscall_64+0x146/0x189 [ 3322.580886] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3322.602262] ================================================================================ [ 3322.625977] ================================================================================ [ 3322.648817] UBSAN: Undefined behaviour in ./include/linux/fs.h:1451:9 [ 3322.666320] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3322.691548] which requires 64 byte alignment [ 3322.705971] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3322.725852] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3322.751990] 00000000ffffffff 0000000085726089 ffff88009fbf7510 ffffffffb26ec5cc [ 3322.772741] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3322.796135] ffff880000000010 ffff88009fbf7538 ffff88009fbf74e8 ffffffffb363c3e0 [ 3322.817798] Call Trace: [ 3322.824020] [] dump_stack+0xd7/0x132 [ 3322.836776] [] ? arch_local_irq_restore+0x1b/0x1b [ 3322.855294] [] ubsan_epilogue+0x12/0x53 [ 3322.871478] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3322.890190] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3322.911218] [] ? map_id_up+0x11c/0x12b [ 3322.927724] [] ext4_mark_iloc_dirty+0x474/0x204e [ 3322.947812] [] ? arch_local_irq_restore+0x6/0xd [ 3322.967992] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3322.990328] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3323.014989] [] ? ext4_setattr+0x11bd/0x11bd [ 3323.030699] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3323.053159] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3323.072785] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3323.090887] [] ? ext4_setattr+0x11bd/0x11bd [ 3323.107799] [] ext4_dirty_inode+0x58/0x76 [ 3323.128940] [] __mark_inode_dirty+0x174/0x9a3 [ 3323.145514] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3323.165508] [] generic_update_time+0x245/0x255 [ 3323.182166] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3323.201731] [] update_time+0xd0/0xdc [ 3323.217987] [] touch_atime+0x190/0x20e [ 3323.233148] [] ? atime_needs_update+0x666/0x666 [ 3323.248940] [] file_accessed+0x43/0x4b [ 3323.261688] [] generic_file_read_iter+0x1180/0x11f6 [ 3323.282004] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3323.302306] [] ? iov_iter_init+0x169/0x17d [ 3323.315957] [] new_sync_read+0x16b/0x20a [ 3323.335563] [] ? new_sync_read.part.8+0x1c/0x1c [ 3323.352970] [] ? __fsnotify_parent+0x229/0x238 [ 3323.374103] [] __vfs_read+0x12c/0x145 [ 3323.391345] [] vfs_read+0x12a/0x209 [ 3323.405570] [] kernel_read+0x10c/0x173 [ 3323.419511] [] ? setup_arg_pages+0x76a/0x76a [ 3323.436195] [] prepare_binprm+0x5fd/0x615 [ 3323.452625] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3323.471091] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3323.491110] [] ? prepare_bprm_creds+0x11f/0x11f [ 3323.507444] [] ? getname_flags+0x4f/0x2e0 [ 3323.523259] [] do_execve+0x37/0x40 [ 3323.538868] [] ? ptregs_sys_vfork+0x10/0x10 [ 3323.561582] [] SyS_execve+0x37/0x3b [ 3323.580155] [] do_syscall_64+0x146/0x189 [ 3323.597910] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3323.618497] ================================================================================ [ 3323.642953] ================================================================================ [ 3323.667231] UBSAN: Undefined behaviour in fs/ext4/inode.c:4819:13 [ 3323.683183] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3323.711480] which requires 64 byte alignment [ 3323.724782] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3323.746554] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3323.770812] 00000000ffffffff 0000000085726089 ffff88009fbf7510 ffffffffb26ec5cc [ 3323.792684] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3323.814623] ffff880000000010 ffff88009fbf7538 ffff88009fbf74e8 ffffffffb363c3e0 [ 3323.838346] Call Trace: [ 3323.846922] [] dump_stack+0xd7/0x132 [ 3323.861318] [] ? arch_local_irq_restore+0x1b/0x1b [ 3323.877485] [] ubsan_epilogue+0x12/0x53 [ 3323.893887] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3323.916093] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3323.935823] [] ? map_id_up+0x11c/0x12b [ 3323.951346] [] ext4_mark_iloc_dirty+0x4ca/0x204e [ 3323.970467] [] ? arch_local_irq_restore+0x6/0xd [ 3323.988210] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3324.008104] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3324.031123] [] ? ext4_setattr+0x11bd/0x11bd [ 3324.047839] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3324.067675] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3324.086567] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3324.105124] [] ? ext4_setattr+0x11bd/0x11bd [ 3324.123503] [] ext4_dirty_inode+0x58/0x76 [ 3324.138132] [] __mark_inode_dirty+0x174/0x9a3 [ 3324.155265] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3324.174329] [] generic_update_time+0x245/0x255 [ 3324.192118] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3324.209629] [] update_time+0xd0/0xdc [ 3324.223449] [] touch_atime+0x190/0x20e [ 3324.237346] [] ? atime_needs_update+0x666/0x666 [ 3324.254262] [] file_accessed+0x43/0x4b [ 3324.269225] [] generic_file_read_iter+0x1180/0x11f6 [ 3324.287534] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3324.308298] [] ? iov_iter_init+0x169/0x17d [ 3324.325440] [] new_sync_read+0x16b/0x20a [ 3324.338671] [] ? new_sync_read.part.8+0x1c/0x1c [ 3324.358180] [] ? __fsnotify_parent+0x229/0x238 [ 3324.375226] [] __vfs_read+0x12c/0x145 [ 3324.392694] [] vfs_read+0x12a/0x209 [ 3324.405638] [] kernel_read+0x10c/0x173 [ 3324.440267] [] ? setup_arg_pages+0x76a/0x76a [ 3324.484041] [] prepare_binprm+0x5fd/0x615 [ 3324.509570] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3324.530218] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3324.550527] [] ? prepare_bprm_creds+0x11f/0x11f [ 3324.570165] [] ? getname_flags+0x4f/0x2e0 [ 3324.584233] [] do_execve+0x37/0x40 [ 3324.599164] [] ? ptregs_sys_vfork+0x10/0x10 [ 3324.616384] [] SyS_execve+0x37/0x3b [ 3324.630610] [] do_syscall_64+0x146/0x189 [ 3324.645556] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3324.665180] ================================================================================ [ 3324.687256] ================================================================================ [ 3324.711097] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3324.727525] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3324.750933] which requires 64 byte alignment [ 3324.761649] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3324.784502] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3324.809703] 00000000ffffffff 0000000085726089 ffff88009fbf7510 ffffffffb26ec5cc [ 3324.831029] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3324.852497] ffff880000000010 ffff88009fbf7538 ffff88009fbf74e8 ffffffffb363c3e0 [ 3324.875389] Call Trace: [ 3324.885213] [] dump_stack+0xd7/0x132 [ 3324.898291] [] ? arch_local_irq_restore+0x1b/0x1b [ 3324.914956] [] ubsan_epilogue+0x12/0x53 [ 3324.933594] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3324.953266] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3324.976767] [] ? map_id_up+0x11c/0x12b [ 3324.993396] [] ext4_mark_iloc_dirty+0x546/0x204e [ 3325.011198] [] ? arch_local_irq_restore+0x6/0xd [ 3325.027548] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3325.050831] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3325.069909] [] ? ext4_setattr+0x11bd/0x11bd [ 3325.085158] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3325.102336] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3325.120425] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3325.142348] [] ? ext4_setattr+0x11bd/0x11bd [ 3325.159496] [] ext4_dirty_inode+0x58/0x76 [ 3325.174718] [] __mark_inode_dirty+0x174/0x9a3 [ 3325.195784] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3325.213527] [] generic_update_time+0x245/0x255 [ 3325.232070] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3325.252092] [] update_time+0xd0/0xdc [ 3325.267889] [] touch_atime+0x190/0x20e [ 3325.280479] [] ? atime_needs_update+0x666/0x666 [ 3325.298810] [] file_accessed+0x43/0x4b [ 3325.315098] [] generic_file_read_iter+0x1180/0x11f6 [ 3325.335535] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3325.353380] [] ? iov_iter_init+0x169/0x17d [ 3325.371716] [] new_sync_read+0x16b/0x20a [ 3325.388624] [] ? new_sync_read.part.8+0x1c/0x1c [ 3325.404277] [] ? __fsnotify_parent+0x229/0x238 [ 3325.419328] [] __vfs_read+0x12c/0x145 [ 3325.435782] [] vfs_read+0x12a/0x209 [ 3325.450002] [] kernel_read+0x10c/0x173 [ 3325.465557] [] ? setup_arg_pages+0x76a/0x76a [ 3325.478661] [] prepare_binprm+0x5fd/0x615 [ 3325.495708] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3325.519485] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3325.537707] [] ? prepare_bprm_creds+0x11f/0x11f [ 3325.558077] [] ? getname_flags+0x4f/0x2e0 [ 3325.575891] [] do_execve+0x37/0x40 [ 3325.591700] [] ? ptregs_sys_vfork+0x10/0x10 [ 3325.610548] [] SyS_execve+0x37/0x3b [ 3325.624645] [] do_syscall_64+0x146/0x189 [ 3325.638380] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3325.656572] ================================================================================ [ 3325.680101] ================================================================================ [ 3325.703830] UBSAN: Undefined behaviour in fs/ext4/inode.c:4820:8 [ 3325.719220] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3325.745158] which requires 64 byte alignment [ 3325.757596] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3325.778682] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3325.808473] 00000000ffffffff 0000000085726089 ffff88009fbf7510 ffffffffb26ec5cc [ 3325.828060] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3325.848564] ffff880000000010 ffff88009fbf7538 ffff88009fbf74e8 ffffffffb363c3e0 [ 3325.876956] Call Trace: [ 3325.886895] [] dump_stack+0xd7/0x132 [ 3325.902494] [] ? arch_local_irq_restore+0x1b/0x1b [ 3325.920201] [] ubsan_epilogue+0x12/0x53 [ 3325.936810] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3325.956322] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3325.977819] [] ? map_id_up+0x11c/0x12b [ 3325.992188] [] ext4_mark_iloc_dirty+0x573/0x204e [ 3326.009582] [] ? arch_local_irq_restore+0x6/0xd [ 3326.027770] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3326.049504] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3326.069333] [] ? ext4_setattr+0x11bd/0x11bd [ 3326.084835] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3326.102533] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3326.122170] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3326.139640] [] ? ext4_setattr+0x11bd/0x11bd [ 3326.154812] [] ext4_dirty_inode+0x58/0x76 [ 3326.171880] [] __mark_inode_dirty+0x174/0x9a3 [ 3326.190042] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3326.209131] [] generic_update_time+0x245/0x255 [ 3326.226397] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3326.244001] [] update_time+0xd0/0xdc [ 3326.256152] [] touch_atime+0x190/0x20e [ 3326.275705] [] ? atime_needs_update+0x666/0x666 [ 3326.294315] [] file_accessed+0x43/0x4b [ 3326.312667] [] generic_file_read_iter+0x1180/0x11f6 [ 3326.331200] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3326.352738] [] ? iov_iter_init+0x169/0x17d [ 3326.370501] [] new_sync_read+0x16b/0x20a [ 3326.386688] [] ? new_sync_read.part.8+0x1c/0x1c [ 3326.402614] [] ? __fsnotify_parent+0x229/0x238 [ 3326.420002] [] __vfs_read+0x12c/0x145 [ 3326.436024] [] vfs_read+0x12a/0x209 [ 3326.450964] [] kernel_read+0x10c/0x173 [ 3326.468097] [] ? setup_arg_pages+0x76a/0x76a [ 3326.482461] [] prepare_binprm+0x5fd/0x615 [ 3326.500492] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3326.520531] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3326.541585] [] ? prepare_bprm_creds+0x11f/0x11f [ 3326.557965] [] ? getname_flags+0x4f/0x2e0 [ 3326.574450] [] do_execve+0x37/0x40 [ 3326.590672] [] ? ptregs_sys_vfork+0x10/0x10 [ 3326.607207] [] SyS_execve+0x37/0x3b [ 3326.625803] [] do_syscall_64+0x146/0x189 [ 3326.641631] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3326.661391] ================================================================================ [ 3326.687949] ================================================================================ [ 3326.712768] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3326.730283] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3326.758349] which requires 64 byte alignment [ 3326.771475] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3326.795983] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3326.823119] 00000000ffffffff 0000000085726089 ffff88009fbf7510 ffffffffb26ec5cc [ 3326.845607] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3326.869192] ffff880000000010 ffff88009fbf7538 ffff88009fbf74e8 ffffffffb363c3e0 [ 3326.894486] Call Trace: [ 3326.900921] [] dump_stack+0xd7/0x132 [ 3326.919161] [] ? arch_local_irq_restore+0x1b/0x1b [ 3326.937588] [] ubsan_epilogue+0x12/0x53 [ 3326.950840] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3326.969740] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3326.994691] [] ? map_id_up+0x11c/0x12b [ 3327.009911] [] ext4_mark_iloc_dirty+0x1033/0x204e [ 3327.029852] [] ? arch_local_irq_restore+0x6/0xd [ 3327.046040] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3327.066047] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3327.085360] [] ? ext4_setattr+0x11bd/0x11bd [ 3327.104136] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3327.120606] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3327.139648] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3327.157671] [] ? ext4_setattr+0x11bd/0x11bd [ 3327.176853] [] ext4_dirty_inode+0x58/0x76 [ 3327.194726] [] __mark_inode_dirty+0x174/0x9a3 [ 3327.213379] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3327.233296] [] generic_update_time+0x245/0x255 [ 3327.250397] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3327.268874] [] update_time+0xd0/0xdc [ 3327.287023] [] touch_atime+0x190/0x20e [ 3327.300504] [] ? atime_needs_update+0x666/0x666 [ 3327.319766] [] file_accessed+0x43/0x4b [ 3327.336792] [] generic_file_read_iter+0x1180/0x11f6 [ 3327.356040] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3327.376177] [] ? iov_iter_init+0x169/0x17d [ 3327.393565] [] new_sync_read+0x16b/0x20a [ 3327.408385] [] ? new_sync_read.part.8+0x1c/0x1c [ 3327.426494] [] ? __fsnotify_parent+0x229/0x238 [ 3327.445678] [] __vfs_read+0x12c/0x145 [ 3327.458591] [] vfs_read+0x12a/0x209 [ 3327.474599] [] kernel_read+0x10c/0x173 [ 3327.493024] [] ? setup_arg_pages+0x76a/0x76a [ 3327.512335] [] prepare_binprm+0x5fd/0x615 [ 3327.528684] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3327.548887] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3327.569015] [] ? prepare_bprm_creds+0x11f/0x11f [ 3327.588854] [] ? getname_flags+0x4f/0x2e0 [ 3327.605062] [] do_execve+0x37/0x40 [ 3327.619528] [] ? ptregs_sys_vfork+0x10/0x10 [ 3327.633701] [] SyS_execve+0x37/0x3b [ 3327.648457] [] do_syscall_64+0x146/0x189 [ 3327.664763] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3327.685436] ================================================================================ [ 3327.709270] ================================================================================ [ 3327.732545] UBSAN: Undefined behaviour in fs/ext4/inode.c:4856:6 [ 3327.750738] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3327.774462] which requires 64 byte alignment [ 3327.787463] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3327.810262] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3327.839163] 00000000ffffffff 0000000085726089 ffff88009fbf7510 ffffffffb26ec5cc [ 3327.862227] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3327.882717] ffff880000000010 ffff88009fbf7538 ffff88009fbf74e8 ffffffffb363c3e0 [ 3327.905560] Call Trace: [ 3327.913847] [] dump_stack+0xd7/0x132 [ 3327.928059] [] ? arch_local_irq_restore+0x1b/0x1b [ 3327.947605] [] ubsan_epilogue+0x12/0x53 [ 3327.961286] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3327.983952] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3328.006854] [] ? map_id_up+0x11c/0x12b [ 3328.021103] [] ext4_mark_iloc_dirty+0x1060/0x204e [ 3328.039012] [] ? arch_local_irq_restore+0x6/0xd [ 3328.054328] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3328.077173] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3328.097775] [] ? ext4_setattr+0x11bd/0x11bd [ 3328.112975] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3328.133034] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3328.152790] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3328.171038] [] ? ext4_setattr+0x11bd/0x11bd [ 3328.187588] [] ext4_dirty_inode+0x58/0x76 [ 3328.202646] [] __mark_inode_dirty+0x174/0x9a3 [ 3328.217885] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3328.237549] [] generic_update_time+0x245/0x255 [ 3328.253661] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3328.270973] [] update_time+0xd0/0xdc [ 3328.287742] [] touch_atime+0x190/0x20e [ 3328.302819] [] ? atime_needs_update+0x666/0x666 [ 3328.320763] [] file_accessed+0x43/0x4b [ 3328.334174] [] generic_file_read_iter+0x1180/0x11f6 [ 3328.351470] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3328.372464] [] ? iov_iter_init+0x169/0x17d [ 3328.389658] [] new_sync_read+0x16b/0x20a [ 3328.405953] [] ? new_sync_read.part.8+0x1c/0x1c [ 3328.426260] [] ? __fsnotify_parent+0x229/0x238 [ 3328.446602] [] __vfs_read+0x12c/0x145 [ 3328.460771] [] vfs_read+0x12a/0x209 [ 3328.474300] [] kernel_read+0x10c/0x173 [ 3328.491949] [] ? setup_arg_pages+0x76a/0x76a [ 3328.508401] [] prepare_binprm+0x5fd/0x615 [ 3328.527440] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3328.546605] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3328.565968] [] ? prepare_bprm_creds+0x11f/0x11f [ 3328.589809] [] ? getname_flags+0x4f/0x2e0 [ 3328.610286] [] do_execve+0x37/0x40 [ 3328.626697] [] ? ptregs_sys_vfork+0x10/0x10 [ 3328.646132] [] SyS_execve+0x37/0x3b [ 3328.660753] [] do_syscall_64+0x146/0x189 [ 3328.677753] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3328.695326] ================================================================================ [ 3328.722032] ================================================================================ [ 3328.745761] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3328.764708] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3328.790563] which requires 64 byte alignment [ 3328.800679] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3328.824095] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3328.849386] 00000000ffffffff 0000000085726089 ffff88009fbf7510 ffffffffb26ec5cc [ 3328.871255] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3328.892628] ffff880000000010 ffff88009fbf7538 ffff88009fbf74e8 ffffffffb363c3e0 [ 3328.912650] Call Trace: [ 3328.920310] [] dump_stack+0xd7/0x132 [ 3328.935214] [] ? arch_local_irq_restore+0x1b/0x1b [ 3328.951308] [] ubsan_epilogue+0x12/0x53 [ 3328.967851] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3328.986490] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3329.006907] [] ext4_mark_iloc_dirty+0x1744/0x204e [ 3329.023644] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3329.045080] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3329.062373] [] ? ext4_setattr+0x11bd/0x11bd [ 3329.077932] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3329.098471] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3329.122710] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3329.141900] [] ? ext4_setattr+0x11bd/0x11bd [ 3329.157292] [] ext4_dirty_inode+0x58/0x76 [ 3329.174342] [] __mark_inode_dirty+0x174/0x9a3 [ 3329.193121] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3329.214457] [] generic_update_time+0x245/0x255 [ 3329.233370] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3329.251882] [] update_time+0xd0/0xdc [ 3329.266673] [] touch_atime+0x190/0x20e [ 3329.281278] [] ? atime_needs_update+0x666/0x666 [ 3329.298824] [] file_accessed+0x43/0x4b [ 3329.317253] [] generic_file_read_iter+0x1180/0x11f6 [ 3329.336120] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3329.357148] [] ? iov_iter_init+0x169/0x17d [ 3329.373341] [] new_sync_read+0x16b/0x20a [ 3329.391702] [] ? new_sync_read.part.8+0x1c/0x1c [ 3329.410308] [] ? __fsnotify_parent+0x229/0x238 [ 3329.429688] [] __vfs_read+0x12c/0x145 [ 3329.446411] [] vfs_read+0x12a/0x209 [ 3329.459602] [] kernel_read+0x10c/0x173 [ 3329.474198] [] ? setup_arg_pages+0x76a/0x76a [ 3329.490141] [] prepare_binprm+0x5fd/0x615 [ 3329.506227] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3329.525686] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3329.544760] [] ? prepare_bprm_creds+0x11f/0x11f [ 3329.560206] [] ? getname_flags+0x4f/0x2e0 [ 3329.577574] [] do_execve+0x37/0x40 [ 3329.592223] [] ? ptregs_sys_vfork+0x10/0x10 [ 3329.609616] [] SyS_execve+0x37/0x3b [ 3329.621433] [] do_syscall_64+0x146/0x189 [ 3329.640199] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3329.657451] ================================================================================ [ 3329.686704] ================================================================================ [ 3329.710286] UBSAN: Undefined behaviour in fs/ext4/inode.c:4887:6 [ 3329.726940] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3329.754069] which requires 64 byte alignment [ 3329.767891] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3329.789630] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3329.815898] 00000000ffffffff 0000000085726089 ffff88009fbf7510 ffffffffb26ec5cc [ 3329.835092] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3329.855100] ffff880000000010 ffff88009fbf7538 ffff88009fbf74e8 ffffffffb363c3e0 [ 3329.877676] Call Trace: [ 3329.885371] [] dump_stack+0xd7/0x132 [ 3329.900086] [] ? arch_local_irq_restore+0x1b/0x1b [ 3329.918615] [] ubsan_epilogue+0x12/0x53 [ 3329.935787] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3329.955187] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3329.976302] [] ext4_mark_iloc_dirty+0x1771/0x204e [ 3329.994046] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3330.012037] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3330.033087] [] ? ext4_setattr+0x11bd/0x11bd [ 3330.049377] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3330.065649] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3330.084838] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3330.101933] [] ? ext4_setattr+0x11bd/0x11bd [ 3330.118600] [] ext4_dirty_inode+0x58/0x76 [ 3330.134825] [] __mark_inode_dirty+0x174/0x9a3 [ 3330.151190] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3330.172312] [] generic_update_time+0x245/0x255 [ 3330.189109] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3330.207260] [] update_time+0xd0/0xdc [ 3330.221180] [] touch_atime+0x190/0x20e [ 3330.236763] [] ? atime_needs_update+0x666/0x666 [ 3330.253048] [] file_accessed+0x43/0x4b [ 3330.268908] [] generic_file_read_iter+0x1180/0x11f6 [ 3330.287921] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3330.305407] [] ? iov_iter_init+0x169/0x17d [ 3330.324316] [] new_sync_read+0x16b/0x20a [ 3330.340054] [] ? new_sync_read.part.8+0x1c/0x1c [ 3330.356461] [] ? __fsnotify_parent+0x229/0x238 [ 3330.373632] [] __vfs_read+0x12c/0x145 [ 3330.388928] [] vfs_read+0x12a/0x209 [ 3330.401181] [] kernel_read+0x10c/0x173 [ 3330.417289] [] ? setup_arg_pages+0x76a/0x76a [ 3330.434477] [] prepare_binprm+0x5fd/0x615 [ 3330.451512] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3330.471615] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3330.491389] [] ? prepare_bprm_creds+0x11f/0x11f [ 3330.510095] [] ? getname_flags+0x4f/0x2e0 [ 3330.528759] [] do_execve+0x37/0x40 [ 3330.542671] [] ? ptregs_sys_vfork+0x10/0x10 [ 3330.556590] [] SyS_execve+0x37/0x3b [ 3330.571234] [] do_syscall_64+0x146/0x189 [ 3330.587442] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3330.606589] ================================================================================ [ 3330.628691] ================================================================================ [ 3330.650177] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3330.671635] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3330.695669] which requires 64 byte alignment [ 3330.710221] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3330.729234] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3330.760469] 00000000ffffffff 0000000085726089 ffff88009fbf7510 ffffffffb26ec5cc [ 3330.784593] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3330.803790] ffff880000000010 ffff88009fbf7538 ffff88009fbf74e8 ffffffffb363c3e0 [ 3330.825466] Call Trace: [ 3330.831312] [] dump_stack+0xd7/0x132 [ 3330.846947] [] ? arch_local_irq_restore+0x1b/0x1b [ 3330.864521] [] ubsan_epilogue+0x12/0x53 [ 3330.878828] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3330.899394] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3330.921840] [] ext4_mark_iloc_dirty+0x193b/0x204e [ 3330.939650] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3330.958070] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3330.978098] [] ? ext4_setattr+0x11bd/0x11bd [ 3330.994150] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3331.011663] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3331.030105] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3331.051323] [] ? ext4_setattr+0x11bd/0x11bd [ 3331.068160] [] ext4_dirty_inode+0x58/0x76 [ 3331.084358] [] __mark_inode_dirty+0x174/0x9a3 [ 3331.098850] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3331.117647] [] generic_update_time+0x245/0x255 [ 3331.137173] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3331.154550] [] update_time+0xd0/0xdc [ 3331.170144] [] touch_atime+0x190/0x20e [ 3331.185978] [] ? atime_needs_update+0x666/0x666 [ 3331.204724] [] file_accessed+0x43/0x4b [ 3331.220523] [] generic_file_read_iter+0x1180/0x11f6 [ 3331.239856] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3331.258389] [] ? iov_iter_init+0x169/0x17d [ 3331.273983] [] new_sync_read+0x16b/0x20a [ 3331.291157] [] ? new_sync_read.part.8+0x1c/0x1c [ 3331.309337] [] ? __fsnotify_parent+0x229/0x238 [ 3331.326652] [] __vfs_read+0x12c/0x145 [ 3331.341960] [] vfs_read+0x12a/0x209 [ 3331.355816] [] kernel_read+0x10c/0x173 [ 3331.373476] [] ? setup_arg_pages+0x76a/0x76a [ 3331.389845] [] prepare_binprm+0x5fd/0x615 [ 3331.405158] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3331.426239] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3331.445667] [] ? prepare_bprm_creds+0x11f/0x11f [ 3331.462529] [] ? getname_flags+0x4f/0x2e0 [ 3331.477306] [] do_execve+0x37/0x40 [ 3331.492865] [] ? ptregs_sys_vfork+0x10/0x10 [ 3331.507685] [] SyS_execve+0x37/0x3b [ 3331.522582] [] do_syscall_64+0x146/0x189 [ 3331.537055] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3331.556860] ================================================================================ [ 3331.578898] ================================================================================ [ 3331.606374] UBSAN: Undefined behaviour in fs/ext4/inode.c:4899:3 [ 3331.620650] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3331.647964] which requires 64 byte alignment [ 3331.660413] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3331.679255] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3331.705924] 00000000ffffffff 0000000085726089 ffff88009fbf7510 ffffffffb26ec5cc [ 3331.728938] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3331.752576] ffff880000000010 ffff88009fbf7538 ffff88009fbf74e8 ffffffffb363c3e0 [ 3331.777482] Call Trace: [ 3331.786802] [] dump_stack+0xd7/0x132 [ 3331.799288] [] ? arch_local_irq_restore+0x1b/0x1b [ 3331.815692] [] ubsan_epilogue+0x12/0x53 [ 3331.830791] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3331.850600] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3331.873930] [] ext4_mark_iloc_dirty+0x1968/0x204e [ 3331.892859] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3331.914833] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3331.933940] [] ? ext4_setattr+0x11bd/0x11bd [ 3331.952045] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3331.969387] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3331.988191] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3332.007660] [] ? ext4_setattr+0x11bd/0x11bd [ 3332.026184] [] ext4_dirty_inode+0x58/0x76 [ 3332.042073] [] __mark_inode_dirty+0x174/0x9a3 [ 3332.058158] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3332.073911] [] generic_update_time+0x245/0x255 [ 3332.092083] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3332.111085] [] update_time+0xd0/0xdc [ 3332.125418] [] touch_atime+0x190/0x20e [ 3332.139446] [] ? atime_needs_update+0x666/0x666 [ 3332.159723] [] file_accessed+0x43/0x4b [ 3332.174613] [] generic_file_read_iter+0x1180/0x11f6 [ 3332.193192] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3332.211913] [] ? iov_iter_init+0x169/0x17d [ 3332.225625] [] new_sync_read+0x16b/0x20a [ 3332.240711] [] ? new_sync_read.part.8+0x1c/0x1c [ 3332.256882] [] ? __fsnotify_parent+0x229/0x238 [ 3332.273822] [] __vfs_read+0x12c/0x145 [ 3332.289674] [] vfs_read+0x12a/0x209 [ 3332.304106] [] kernel_read+0x10c/0x173 [ 3332.322394] [] ? setup_arg_pages+0x76a/0x76a [ 3332.340165] [] prepare_binprm+0x5fd/0x615 [ 3332.357456] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3332.376675] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3332.399134] [] ? prepare_bprm_creds+0x11f/0x11f [ 3332.417359] [] ? getname_flags+0x4f/0x2e0 [ 3332.431965] [] do_execve+0x37/0x40 [ 3332.449260] [] ? ptregs_sys_vfork+0x10/0x10 [ 3332.465952] [] SyS_execve+0x37/0x3b [ 3332.478118] [] do_syscall_64+0x146/0x189 [ 3332.494952] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3332.512620] ================================================================================ [ 3332.534326] ================================================================================ [ 3332.559037] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3332.573786] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3332.598345] which requires 64 byte alignment [ 3332.612851] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3332.635124] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3332.661143] 00000000ffffffff 0000000085726089 ffff88009fbf7510 ffffffffb26ec5cc [ 3332.680703] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3332.705416] ffff880000000010 ffff88009fbf7538 ffff88009fbf74e8 ffffffffb363c3e0 [ 3332.728562] Call Trace: [ 3332.737838] [] dump_stack+0xd7/0x132 [ 3332.751429] [] ? arch_local_irq_restore+0x1b/0x1b [ 3332.774397] [] ubsan_epilogue+0x12/0x53 [ 3332.790937] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3332.808548] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3332.828219] [] ext4_mark_iloc_dirty+0x1a0d/0x204e [ 3332.847965] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3332.867917] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3332.890238] [] ? ext4_setattr+0x11bd/0x11bd [ 3332.905678] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3332.923804] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3332.941328] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3332.957746] [] ? ext4_setattr+0x11bd/0x11bd [ 3332.974724] [] ext4_dirty_inode+0x58/0x76 [ 3332.993635] [] __mark_inode_dirty+0x174/0x9a3 [ 3333.009427] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3333.031900] [] generic_update_time+0x245/0x255 [ 3333.049770] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3333.071961] [] update_time+0xd0/0xdc [ 3333.087648] [] touch_atime+0x190/0x20e [ 3333.106187] [] ? atime_needs_update+0x666/0x666 [ 3333.120845] [] file_accessed+0x43/0x4b [ 3333.138051] [] generic_file_read_iter+0x1180/0x11f6 [ 3333.156125] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3333.176218] [] ? iov_iter_init+0x169/0x17d [ 3333.194531] [] new_sync_read+0x16b/0x20a [ 3333.211215] [] ? new_sync_read.part.8+0x1c/0x1c [ 3333.230452] [] ? __fsnotify_parent+0x229/0x238 [ 3333.248379] [] __vfs_read+0x12c/0x145 [ 3333.262224] [] vfs_read+0x12a/0x209 [ 3333.274404] [] kernel_read+0x10c/0x173 [ 3333.291045] [] ? setup_arg_pages+0x76a/0x76a [ 3333.304817] [] prepare_binprm+0x5fd/0x615 [ 3333.324851] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3333.343669] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3333.360951] [] ? prepare_bprm_creds+0x11f/0x11f [ 3333.377430] [] ? getname_flags+0x4f/0x2e0 [ 3333.394371] [] do_execve+0x37/0x40 [ 3333.410609] [] ? ptregs_sys_vfork+0x10/0x10 [ 3333.429549] [] SyS_execve+0x37/0x3b [ 3333.445965] [] do_syscall_64+0x146/0x189 [ 3333.460562] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3333.478841] ================================================================================ [ 3333.505974] ================================================================================ [ 3333.530629] UBSAN: Undefined behaviour in fs/ext4/inode.c:4903:7 [ 3333.546858] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3333.572653] which requires 64 byte alignment [ 3333.586047] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3333.605121] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3333.635746] 00000000ffffffff 0000000085726089 ffff88009fbf7510 ffffffffb26ec5cc [ 3333.656194] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3333.676963] ffff880000000010 ffff88009fbf7538 ffff88009fbf74e8 ffffffffb363c3e0 [ 3333.696923] Call Trace: [ 3333.704377] [] dump_stack+0xd7/0x132 [ 3333.718246] [] ? arch_local_irq_restore+0x1b/0x1b [ 3333.740662] [] ubsan_epilogue+0x12/0x53 [ 3333.753373] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3333.774900] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3333.795941] [] ext4_mark_iloc_dirty+0x1a27/0x204e [ 3333.815238] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3333.834015] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3333.856515] [] ? ext4_setattr+0x11bd/0x11bd [ 3333.872198] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3333.893844] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3333.913261] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3333.931332] [] ? ext4_setattr+0x11bd/0x11bd [ 3333.949140] [] ext4_dirty_inode+0x58/0x76 [ 3333.972698] [] __mark_inode_dirty+0x174/0x9a3 [ 3333.988308] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3334.008076] [] generic_update_time+0x245/0x255 [ 3334.026796] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3334.046041] [] update_time+0xd0/0xdc [ 3334.059090] [] touch_atime+0x190/0x20e [ 3334.073967] [] ? atime_needs_update+0x666/0x666 [ 3334.091266] [] file_accessed+0x43/0x4b [ 3334.106249] [] generic_file_read_iter+0x1180/0x11f6 [ 3334.126883] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3334.147143] [] ? iov_iter_init+0x169/0x17d [ 3334.162490] [] new_sync_read+0x16b/0x20a [ 3334.176259] [] ? new_sync_read.part.8+0x1c/0x1c [ 3334.197395] [] ? __fsnotify_parent+0x229/0x238 [ 3334.217306] [] __vfs_read+0x12c/0x145 [ 3334.233245] [] vfs_read+0x12a/0x209 [ 3334.247222] [] kernel_read+0x10c/0x173 [ 3334.264624] [] ? setup_arg_pages+0x76a/0x76a [ 3334.281711] [] prepare_binprm+0x5fd/0x615 [ 3334.299382] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3334.320296] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3334.341409] [] ? prepare_bprm_creds+0x11f/0x11f [ 3334.358729] [] ? getname_flags+0x4f/0x2e0 [ 3334.373400] [] do_execve+0x37/0x40 [ 3334.387178] [] ? ptregs_sys_vfork+0x10/0x10 [ 3334.402037] [] SyS_execve+0x37/0x3b [ 3334.418354] [] do_syscall_64+0x146/0x189 [ 3334.436443] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3334.452565] ================================================================================ [ 3334.475805] ================================================================================ [ 3334.497516] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3334.515636] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3334.543426] which requires 64 byte alignment [ 3334.555066] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3334.578244] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3334.605217] 00000000ffffffff 0000000085726089 ffff88009fbf74d0 ffffffffb26ec5cc [ 3334.627777] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3334.649327] ffff880000000010 ffff88009fbf74f8 ffff88009fbf74a8 ffffffffb363c3e0 [ 3334.670900] Call Trace: [ 3334.676965] [] dump_stack+0xd7/0x132 [ 3334.691937] [] ? arch_local_irq_restore+0x1b/0x1b [ 3334.710917] [] ubsan_epilogue+0x12/0x53 [ 3334.727992] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3334.747579] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3334.770847] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3334.792239] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3334.811387] [] ext4_inode_csum_set+0x68/0x248 [ 3334.828597] [] ext4_mark_iloc_dirty+0x1ac7/0x204e [ 3334.850461] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3334.873409] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3334.892315] [] ? ext4_setattr+0x11bd/0x11bd [ 3334.908902] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3334.925948] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3334.948390] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3334.965811] [] ? ext4_setattr+0x11bd/0x11bd [ 3334.985269] [] ext4_dirty_inode+0x58/0x76 [ 3334.998392] [] __mark_inode_dirty+0x174/0x9a3 [ 3335.017822] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3335.038510] [] generic_update_time+0x245/0x255 [ 3335.054158] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3335.074284] [] update_time+0xd0/0xdc [ 3335.093598] [] touch_atime+0x190/0x20e [ 3335.108683] [] ? atime_needs_update+0x666/0x666 [ 3335.126804] [] file_accessed+0x43/0x4b [ 3335.141628] [] generic_file_read_iter+0x1180/0x11f6 [ 3335.160600] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3335.177186] [] ? iov_iter_init+0x169/0x17d [ 3335.193365] [] new_sync_read+0x16b/0x20a [ 3335.209587] [] ? new_sync_read.part.8+0x1c/0x1c [ 3335.228553] [] ? __fsnotify_parent+0x229/0x238 [ 3335.247033] [] __vfs_read+0x12c/0x145 [ 3335.259280] [] vfs_read+0x12a/0x209 [ 3335.273431] [] kernel_read+0x10c/0x173 [ 3335.289694] [] ? setup_arg_pages+0x76a/0x76a [ 3335.307350] [] prepare_binprm+0x5fd/0x615 [ 3335.323992] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3335.347170] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3335.367176] [] ? prepare_bprm_creds+0x11f/0x11f [ 3335.385278] [] ? getname_flags+0x4f/0x2e0 [ 3335.401774] [] do_execve+0x37/0x40 [ 3335.416531] [] ? ptregs_sys_vfork+0x10/0x10 [ 3335.433550] [] SyS_execve+0x37/0x3b [ 3335.449026] [] do_syscall_64+0x146/0x189 [ 3335.465263] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3335.484591] ================================================================================ [ 3335.509939] ================================================================================ [ 3335.531913] UBSAN: Undefined behaviour in fs/ext4/inode.c:109:26 [ 3335.549281] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3335.574590] which requires 64 byte alignment [ 3335.587709] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3335.607379] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3335.633517] 00000000ffffffff 0000000085726089 ffff88009fbf74d0 ffffffffb26ec5cc [ 3335.659391] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3335.682244] ffff880000000010 ffff88009fbf74f8 ffff88009fbf74a8 ffffffffb363c3e0 [ 3335.706497] Call Trace: [ 3335.713647] [] dump_stack+0xd7/0x132 [ 3335.729521] [] ? arch_local_irq_restore+0x1b/0x1b [ 3335.745811] [] ubsan_epilogue+0x12/0x53 [ 3335.760996] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3335.780211] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3335.800366] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3335.822634] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3335.842751] [] ext4_inode_csum_set+0x95/0x248 [ 3335.857994] [] ext4_mark_iloc_dirty+0x1ac7/0x204e [ 3335.879613] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3335.899439] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3335.920257] [] ? ext4_setattr+0x11bd/0x11bd [ 3335.938123] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3335.953251] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3335.977710] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3335.997943] [] ? ext4_setattr+0x11bd/0x11bd [ 3336.014761] [] ext4_dirty_inode+0x58/0x76 [ 3336.030154] [] __mark_inode_dirty+0x174/0x9a3 [ 3336.049666] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3336.069127] [] generic_update_time+0x245/0x255 [ 3336.086845] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3336.105070] [] update_time+0xd0/0xdc [ 3336.121180] [] touch_atime+0x190/0x20e [ 3336.137391] [] ? atime_needs_update+0x666/0x666 [ 3336.155141] [] file_accessed+0x43/0x4b [ 3336.168720] [] generic_file_read_iter+0x1180/0x11f6 [ 3336.187908] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3336.208102] [] ? iov_iter_init+0x169/0x17d [ 3336.225207] [] new_sync_read+0x16b/0x20a [ 3336.239614] [] ? new_sync_read.part.8+0x1c/0x1c [ 3336.256147] [] ? __fsnotify_parent+0x229/0x238 [ 3336.272967] [] __vfs_read+0x12c/0x145 [ 3336.286986] [] vfs_read+0x12a/0x209 [ 3336.302182] [] kernel_read+0x10c/0x173 [ 3336.318670] [] ? setup_arg_pages+0x76a/0x76a [ 3336.335989] [] prepare_binprm+0x5fd/0x615 [ 3336.352097] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3336.371473] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3336.391989] [] ? prepare_bprm_creds+0x11f/0x11f [ 3336.412017] [] ? getname_flags+0x4f/0x2e0 [ 3336.430224] [] do_execve+0x37/0x40 [ 3336.444123] [] ? ptregs_sys_vfork+0x10/0x10 [ 3336.459654] [] SyS_execve+0x37/0x3b [ 3336.473667] [] do_syscall_64+0x146/0x189 [ 3336.489514] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3336.508480] ================================================================================ [ 3336.534363] ================================================================================ [ 3336.558924] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3336.573921] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3336.599284] which requires 64 byte alignment [ 3336.612928] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3336.635906] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3336.664062] 00000000ffffffff 0000000085726089 ffff88009fbf74d0 ffffffffb26ec5cc [ 3336.686293] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3336.708785] 0000000000000010 ffff88009fbf74f8 ffff88009fbf74a8 ffffffffb363c3e0 [ 3336.731413] Call Trace: [ 3336.738758] [] dump_stack+0xd7/0x132 [ 3336.754035] [] ? arch_local_irq_restore+0x1b/0x1b [ 3336.771916] [] ubsan_epilogue+0x12/0x53 [ 3336.790155] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3336.808449] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3336.830395] [] ext4_inode_csum_set+0x17d/0x248 [ 3336.848308] [] ext4_mark_iloc_dirty+0x1ac7/0x204e [ 3336.868703] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3336.892085] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3336.910909] [] ? ext4_setattr+0x11bd/0x11bd [ 3336.929523] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3336.948330] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3336.967518] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3336.990462] [] ? ext4_setattr+0x11bd/0x11bd [ 3337.008238] [] ext4_dirty_inode+0x58/0x76 [ 3337.021886] [] __mark_inode_dirty+0x174/0x9a3 [ 3337.040140] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3337.060027] [] generic_update_time+0x245/0x255 [ 3337.075720] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3337.094834] [] update_time+0xd0/0xdc [ 3337.109716] [] touch_atime+0x190/0x20e [ 3337.125624] [] ? atime_needs_update+0x666/0x666 [ 3337.144136] [] file_accessed+0x43/0x4b [ 3337.158375] [] generic_file_read_iter+0x1180/0x11f6 [ 3337.174944] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3337.194642] [] ? iov_iter_init+0x169/0x17d [ 3337.211501] [] new_sync_read+0x16b/0x20a [ 3337.227880] [] ? new_sync_read.part.8+0x1c/0x1c [ 3337.246367] [] ? __fsnotify_parent+0x229/0x238 [ 3337.263993] [] __vfs_read+0x12c/0x145 [ 3337.278114] [] vfs_read+0x12a/0x209 [ 3337.292444] [] kernel_read+0x10c/0x173 [ 3337.310677] [] ? setup_arg_pages+0x76a/0x76a [ 3337.328024] [] prepare_binprm+0x5fd/0x615 [ 3337.345212] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3337.362845] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3337.383987] [] ? prepare_bprm_creds+0x11f/0x11f [ 3337.404586] [] ? getname_flags+0x4f/0x2e0 [ 3337.430666] [] do_execve+0x37/0x40 [ 3337.445381] [] ? ptregs_sys_vfork+0x10/0x10 [ 3337.462504] [] SyS_execve+0x37/0x3b [ 3337.474228] [] do_syscall_64+0x146/0x189 [ 3337.492360] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3337.511050] ================================================================================ [ 3337.537949] ================================================================================ [ 3337.561264] UBSAN: Undefined behaviour in fs/ext4/inode.c:116:6 [ 3337.578125] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3337.603398] which requires 64 byte alignment [ 3337.616654] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3337.637674] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3337.666354] 00000000ffffffff 0000000085726089 ffff88009fbf74d0 ffffffffb26ec5cc [ 3337.687381] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3337.713131] ffff880000000010 ffff88009fbf74f8 ffff88009fbf74a8 ffffffffb363c3e0 [ 3337.736627] Call Trace: [ 3337.744628] [] dump_stack+0xd7/0x132 [ 3337.759144] [] ? arch_local_irq_restore+0x1b/0x1b [ 3337.778935] [] ubsan_epilogue+0x12/0x53 [ 3337.797267] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3337.816916] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3337.839331] [] ext4_inode_csum_set+0x1a9/0x248 [ 3337.860290] [] ext4_mark_iloc_dirty+0x1ac7/0x204e [ 3337.880186] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3337.903207] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3337.925539] [] ? ext4_setattr+0x11bd/0x11bd [ 3337.944857] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3337.963951] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3337.987586] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3338.003869] [] ? ext4_setattr+0x11bd/0x11bd [ 3338.019539] [] ext4_dirty_inode+0x58/0x76 [ 3338.037501] [] __mark_inode_dirty+0x174/0x9a3 [ 3338.052861] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3338.071594] [] generic_update_time+0x245/0x255 [ 3338.089304] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3338.109005] [] update_time+0xd0/0xdc [ 3338.120983] [] touch_atime+0x190/0x20e [ 3338.143741] [] ? atime_needs_update+0x666/0x666 [ 3338.165656] [] file_accessed+0x43/0x4b [ 3338.180273] [] generic_file_read_iter+0x1180/0x11f6 [ 3338.199335] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3338.219951] [] ? iov_iter_init+0x169/0x17d [ 3338.233754] [] new_sync_read+0x16b/0x20a [ 3338.251277] [] ? new_sync_read.part.8+0x1c/0x1c [ 3338.267046] [] ? __fsnotify_parent+0x229/0x238 [ 3338.281472] [] __vfs_read+0x12c/0x145 [ 3338.297114] [] vfs_read+0x12a/0x209 [ 3338.313059] [] kernel_read+0x10c/0x173 [ 3338.328523] [] ? setup_arg_pages+0x76a/0x76a [ 3338.345863] [] prepare_binprm+0x5fd/0x615 [ 3338.365147] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3338.385592] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3338.405216] [] ? prepare_bprm_creds+0x11f/0x11f [ 3338.419690] [] ? getname_flags+0x4f/0x2e0 [ 3338.436089] [] do_execve+0x37/0x40 [ 3338.451869] [] ? ptregs_sys_vfork+0x10/0x10 [ 3338.469114] [] SyS_execve+0x37/0x3b [ 3338.484042] [] do_syscall_64+0x146/0x189 [ 3338.498030] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3338.517833] ================================================================================ [ 3338.544809] ================================================================================ [ 3338.569062] UBSAN: Undefined behaviour in fs/ext4/inode.c:4910:17 [ 3338.586319] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3338.610509] which requires 64 byte alignment [ 3338.625750] CPU: 3 PID: 609 Comm: checkroot.sh Tainted: G L 4.8.11 #1 [ 3338.649634] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3338.675419] 00000000ffffffff 0000000085726089 ffff88009fbf7510 ffffffffb26ec5cc [ 3338.695854] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3338.718690] 0000000000000010 ffff88009fbf7538 ffff88009fbf74e8 ffffffffb363c3e0 [ 3338.745364] Call Trace: [ 3338.751375] [] dump_stack+0xd7/0x132 [ 3338.766819] [] ? arch_local_irq_restore+0x1b/0x1b [ 3338.785058] [] ubsan_epilogue+0x12/0x53 [ 3338.800879] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3338.818546] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3338.837025] [] ext4_mark_iloc_dirty+0x1b17/0x204e [ 3338.855804] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3338.877380] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3338.899973] [] ? ext4_setattr+0x11bd/0x11bd [ 3338.918414] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3338.939213] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3338.962148] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3338.978845] [] ? ext4_setattr+0x11bd/0x11bd [ 3338.998437] [] ext4_dirty_inode+0x58/0x76 [ 3339.016449] [] __mark_inode_dirty+0x174/0x9a3 [ 3339.036590] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3339.055263] [] generic_update_time+0x245/0x255 [ 3339.073725] [] ? unlock_two_nondirectories+0xb5/0xb5 [ 3339.092324] [] update_time+0xd0/0xdc [ 3339.110140] [] touch_atime+0x190/0x20e [ 3339.123292] [] ? atime_needs_update+0x666/0x666 [ 3339.139904] [] file_accessed+0x43/0x4b [ 3339.154013] [] generic_file_read_iter+0x1180/0x11f6 [ 3339.172546] [] ? wait_on_page_locked_killable+0x6d/0x6d [ 3339.195138] [] ? iov_iter_init+0x169/0x17d [ 3339.211475] [] new_sync_read+0x16b/0x20a [ 3339.227179] [] ? new_sync_read.part.8+0x1c/0x1c [ 3339.243084] [] ? __fsnotify_parent+0x229/0x238 [ 3339.259784] [] __vfs_read+0x12c/0x145 [ 3339.273819] [] vfs_read+0x12a/0x209 [ 3339.288815] [] kernel_read+0x10c/0x173 [ 3339.304695] [] ? setup_arg_pages+0x76a/0x76a [ 3339.318607] [] prepare_binprm+0x5fd/0x615 [ 3339.336214] [] ? count.isra.21.constprop.33+0x10b/0x119 [ 3339.357838] [] do_execveat_common.isra.23+0xe72/0x1582 [ 3339.379558] [] ? prepare_bprm_creds+0x11f/0x11f [ 3339.395584] [] ? getname_flags+0x4f/0x2e0 [ 3339.413328] [] do_execve+0x37/0x40 [ 3339.427017] [] ? ptregs_sys_vfork+0x10/0x10 [ 3339.445176] [] SyS_execve+0x37/0x3b [ 3339.460347] [] do_syscall_64+0x146/0x189 [ 3339.475859] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 3339.492914] ================================================================================ [....] Creating compatibility symlink from /etc/mtab to /proc/mounts. ...[?25l[?1c7[warn8[?25h[?0c (warning). [ 3340.307930] ================================================================================ [ 3340.333275] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3340.353563] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3340.385217] which requires 64 byte alignment [ 3340.398265] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3340.419078] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3340.447602] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7c68 ffffffffb26ec5cc [ 3340.470509] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3340.492603] ffff880000000010 ffff8800a2ea7c90 ffff8800a2ea7c40 ffffffffb363c3e0 [ 3340.514918] Call Trace: [ 3340.524907] [] dump_stack+0xd7/0x132 [ 3340.546024] [] ? arch_local_irq_restore+0x1b/0x1b [ 3340.566419] [] ubsan_epilogue+0x12/0x53 [ 3340.586742] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3340.608784] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3340.629413] [] ext4_symlink+0x12e/0xb42 [ 3340.647079] [] ? security_inode_permission+0xd0/0xdd [ 3340.667871] [] ? ext4_orphan_del+0x68c/0x68c [ 3340.688002] [] ? __inode_permission+0x261/0x270 [ 3340.705723] [] ? security_inode_symlink+0xd8/0xe7 [ 3340.725655] [] vfs_symlink+0x106/0x137 [ 3340.743514] [] ? SYSC_symlinkat+0x1af/0x218 [ 3340.758424] [] SYSC_symlinkat+0x1c2/0x218 [ 3340.777006] [] ? do_unlinkat+0x41a/0x41a [ 3340.794378] [] SyS_symlink+0x28/0x2c [ 3340.809615] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3340.832166] ================================================================================ [ 3340.857738] ================================================================================ [ 3340.891405] UBSAN: Undefined behaviour in fs/ext4/namei.c:3083:11 [ 3340.912861] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3340.942958] which requires 64 byte alignment [ 3340.956979] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3340.985586] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3341.014867] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7c68 ffffffffb26ec5cc [ 3341.040484] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3341.066245] ffffffff00000010 ffff8800a2ea7c90 ffff8800a2ea7c40 ffffffffb363c3e0 [ 3341.088719] Call Trace: [ 3341.098501] [] dump_stack+0xd7/0x132 [ 3341.116312] [] ? arch_local_irq_restore+0x1b/0x1b [ 3341.138375] [] ubsan_epilogue+0x12/0x53 [ 3341.154206] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3341.177271] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3341.202543] [] ext4_symlink+0x15b/0xb42 [ 3341.219933] [] ? security_inode_permission+0xd0/0xdd [ 3341.239592] [] ? ext4_orphan_del+0x68c/0x68c [ 3341.256663] [] ? __inode_permission+0x261/0x270 [ 3341.279726] [] ? security_inode_symlink+0xd8/0xe7 [ 3341.299669] [] vfs_symlink+0x106/0x137 [ 3341.315441] [] ? SYSC_symlinkat+0x1af/0x218 [ 3341.333171] [] SYSC_symlinkat+0x1c2/0x218 [ 3341.351274] [] ? do_unlinkat+0x41a/0x41a [ 3341.371350] [] SyS_symlink+0x28/0x2c [ 3341.387596] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3341.408743] ================================================================================ [ 3341.435888] ================================================================================ [ 3341.464498] UBSAN: Undefined behaviour in fs/ext4/namei.c:3097:31 [ 3341.482044] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3341.509466] which requires 64 byte alignment [ 3341.521274] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3341.544420] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3341.571270] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7c68 ffffffffb26ec5cc [ 3341.595533] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3341.616738] ffffffff00000010 ffff8800a2ea7c90 ffff8800a2ea7c40 ffffffffb363c3e0 [ 3341.644922] Call Trace: [ 3341.650910] [] dump_stack+0xd7/0x132 [ 3341.667475] [] ? arch_local_irq_restore+0x1b/0x1b [ 3341.685667] [] ubsan_epilogue+0x12/0x53 [ 3341.700676] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3341.720261] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3341.745154] [] ext4_symlink+0x28d/0xb42 [ 3341.761390] [] ? ext4_orphan_del+0x68c/0x68c [ 3341.776903] [] ? __inode_permission+0x261/0x270 [ 3341.795838] [] ? security_inode_symlink+0xd8/0xe7 [ 3341.819474] [] vfs_symlink+0x106/0x137 [ 3341.834816] [] ? SYSC_symlinkat+0x1af/0x218 [ 3341.852586] [] SYSC_symlinkat+0x1c2/0x218 [ 3341.870442] [] ? do_unlinkat+0x41a/0x41a [ 3341.889004] [] SyS_symlink+0x28/0x2c [ 3341.907084] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3341.923953] ================================================================================ [ 3341.950101] ================================================================================ [ 3341.975854] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3341.993749] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3342.019030] which requires 64 byte alignment [ 3342.032062] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3342.052896] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3342.080914] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7c50 ffffffffb26ec5cc [ 3342.103523] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3342.127621] ffff880000000010 ffff8800a2ea7c78 ffff8800a2ea7c28 ffffffffb363c3e0 [ 3342.152823] Call Trace: [ 3342.160657] [] dump_stack+0xd7/0x132 [ 3342.176666] [] ? arch_local_irq_restore+0x1b/0x1b [ 3342.196159] [] ubsan_epilogue+0x12/0x53 [ 3342.214317] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3342.236881] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3342.254327] [] ext4_has_feature_extents+0x26/0x8d [ 3342.273526] [] ext4_symlink+0x412/0xb42 [ 3342.291655] [] ? ext4_orphan_del+0x68c/0x68c [ 3342.308263] [] ? __inode_permission+0x261/0x270 [ 3342.328671] [] ? security_inode_symlink+0xd8/0xe7 [ 3342.349782] [] vfs_symlink+0x106/0x137 [ 3342.366831] [] ? SYSC_symlinkat+0x1af/0x218 [ 3342.385558] [] SYSC_symlinkat+0x1c2/0x218 [ 3342.399811] [] ? do_unlinkat+0x41a/0x41a [ 3342.416876] [] SyS_symlink+0x28/0x2c [ 3342.433543] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3342.454865] ================================================================================ [ 3342.480610] ================================================================================ [ 3342.508868] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1780:1 [ 3342.526815] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3342.552634] which requires 64 byte alignment [ 3342.566344] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3342.585490] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3342.614253] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7c50 ffffffffb26ec5cc [ 3342.637481] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3342.662763] ffff880000000010 ffff8800a2ea7c78 ffff8800a2ea7c28 ffffffffb363c3e0 [ 3342.687196] Call Trace: [ 3342.693542] [] dump_stack+0xd7/0x132 [ 3342.711187] [] ? arch_local_irq_restore+0x1b/0x1b [ 3342.728845] [] ubsan_epilogue+0x12/0x53 [ 3342.746649] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3342.765324] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3342.784591] [] ext4_has_feature_extents+0x52/0x8d [ 3342.806134] [] ext4_symlink+0x412/0xb42 [ 3342.822644] [] ? ext4_orphan_del+0x68c/0x68c [ 3342.841069] [] ? __inode_permission+0x261/0x270 [ 3342.861280] [] ? security_inode_symlink+0xd8/0xe7 [ 3342.879171] [] vfs_symlink+0x106/0x137 [ 3342.895751] [] ? SYSC_symlinkat+0x1af/0x218 [ 3342.913557] [] SYSC_symlinkat+0x1c2/0x218 [ 3342.933234] [] ? do_unlinkat+0x41a/0x41a [ 3342.949350] [] SyS_symlink+0x28/0x2c [ 3342.967984] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3342.988737] ================================================================================ [ 3343.015143] ================================================================================ [ 3343.039650] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3343.057536] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3343.087135] which requires 64 byte alignment [ 3343.098558] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3343.118407] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3343.152839] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7c68 ffffffffb26ec5cc [ 3343.176852] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3343.203939] ffffffff00000010 ffff8800a2ea7c90 ffff8800a2ea7c40 ffffffffb363c3e0 [ 3343.228864] Call Trace: [ 3343.238669] [] dump_stack+0xd7/0x132 [ 3343.254374] [] ? arch_local_irq_restore+0x1b/0x1b [ 3343.276670] [] ubsan_epilogue+0x12/0x53 [ 3343.294423] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3343.316305] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3343.335632] [] ext4_symlink+0x457/0xb42 [ 3343.354722] [] ? ext4_orphan_del+0x68c/0x68c [ 3343.372884] [] ? __inode_permission+0x261/0x270 [ 3343.394615] [] ? security_inode_symlink+0xd8/0xe7 [ 3343.412951] [] vfs_symlink+0x106/0x137 [ 3343.430680] [] ? SYSC_symlinkat+0x1af/0x218 [ 3343.448121] [] SYSC_symlinkat+0x1c2/0x218 [ 3343.469004] [] ? do_unlinkat+0x41a/0x41a [ 3343.485512] [] SyS_symlink+0x28/0x2c [ 3343.504060] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3343.520253] ================================================================================ [ 3343.547154] ================================================================================ [ 3343.572791] UBSAN: Undefined behaviour in fs/ext4/namei.c:3122:13 [ 3343.592391] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3343.618982] which requires 64 byte alignment [ 3343.633518] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3343.653738] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3343.685013] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7c68 ffffffffb26ec5cc [ 3343.710251] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3343.733339] ffffffff00000010 ffff8800a2ea7c90 ffff8800a2ea7c40 ffffffffb363c3e0 [ 3343.751679] Call Trace: [ 3343.761641] [] dump_stack+0xd7/0x132 [ 3343.778701] [] ? arch_local_irq_restore+0x1b/0x1b [ 3343.796735] [] ubsan_epilogue+0x12/0x53 [ 3343.815714] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3343.836746] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3343.859518] [] ext4_symlink+0x486/0xb42 [ 3343.877678] [] ? ext4_orphan_del+0x68c/0x68c [ 3343.894822] [] ? __inode_permission+0x261/0x270 [ 3343.915329] [] ? security_inode_symlink+0xd8/0xe7 [ 3343.935736] [] vfs_symlink+0x106/0x137 [ 3343.953238] [] ? SYSC_symlinkat+0x1af/0x218 [ 3343.971613] [] SYSC_symlinkat+0x1c2/0x218 [ 3343.988612] [] ? do_unlinkat+0x41a/0x41a [ 3344.007247] [] SyS_symlink+0x28/0x2c [ 3344.022208] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3344.041615] ================================================================================ [ 3344.071040] ================================================================================ [ 3344.095766] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3344.114847] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3344.144987] which requires 64 byte alignment [ 3344.155239] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3344.176827] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3344.206058] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7c50 ffffffffb26ec5cc [ 3344.231123] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3344.255543] 0000000000000010 ffff8800a2ea7c78 ffff8800a2ea7c28 ffffffffb363c3e0 [ 3344.279617] Call Trace: [ 3344.289364] [] dump_stack+0xd7/0x132 [ 3344.306973] [] ? arch_local_irq_restore+0x1b/0x1b [ 3344.326535] [] ubsan_epilogue+0x12/0x53 [ 3344.342670] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3344.364478] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3344.385215] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3344.411406] [] ext4_has_feature_quota+0x26/0x8d [ 3344.430964] [] ext4_symlink+0x4c1/0xb42 [ 3344.447799] [] ? ext4_orphan_del+0x68c/0x68c [ 3344.464500] [] ? __inode_permission+0x261/0x270 [ 3344.483569] [] ? security_inode_symlink+0xd8/0xe7 [ 3344.504433] [] vfs_symlink+0x106/0x137 [ 3344.518447] [] ? SYSC_symlinkat+0x1af/0x218 [ 3344.538817] [] SYSC_symlinkat+0x1c2/0x218 [ 3344.558058] [] ? do_unlinkat+0x41a/0x41a [ 3344.574064] [] SyS_symlink+0x28/0x2c [ 3344.590637] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3344.608377] ================================================================================ [ 3344.635587] ================================================================================ [ 3344.661750] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1769:1 [ 3344.679981] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3344.707559] which requires 64 byte alignment [ 3344.719705] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3344.746232] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3344.773156] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7c50 ffffffffb26ec5cc [ 3344.796012] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3344.821014] ffff880000000010 ffff8800a2ea7c78 ffff8800a2ea7c28 ffffffffb363c3e0 [ 3344.846227] Call Trace: [ 3344.852071] [] dump_stack+0xd7/0x132 [ 3344.873660] [] ? arch_local_irq_restore+0x1b/0x1b [ 3344.894120] [] ubsan_epilogue+0x12/0x53 [ 3344.910486] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3344.933596] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3344.957189] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3344.980238] [] ext4_has_feature_quota+0x52/0x8d [ 3344.998388] [] ext4_symlink+0x4c1/0xb42 [ 3345.013458] [] ? ext4_orphan_del+0x68c/0x68c [ 3345.032609] [] ? __inode_permission+0x261/0x270 [ 3345.053546] [] ? security_inode_symlink+0xd8/0xe7 [ 3345.071648] [] vfs_symlink+0x106/0x137 [ 3345.089432] [] ? SYSC_symlinkat+0x1af/0x218 [ 3345.106494] [] SYSC_symlinkat+0x1c2/0x218 [ 3345.121745] [] ? do_unlinkat+0x41a/0x41a [ 3345.141085] [] SyS_symlink+0x28/0x2c [ 3345.157585] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3345.175354] ================================================================================ [ 3345.201535] ================================================================================ [ 3345.228165] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3345.245325] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3345.270774] which requires 64 byte alignment [ 3345.283039] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3345.303290] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3345.332302] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3345.354885] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3345.380027] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3345.408477] Call Trace: [ 3345.416425] [] dump_stack+0xd7/0x132 [ 3345.432892] [] ? arch_local_irq_restore+0x1b/0x1b [ 3345.453359] [] ubsan_epilogue+0x12/0x53 [ 3345.469427] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3345.490610] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3345.511682] [] ? univ8250_console_setup+0x15a/0x15a [ 3345.536076] [] __ext4_new_inode+0x2b5/0x34f9 [ 3345.555542] [] ? console_unlock+0x6a9/0x6b8 [ 3345.571160] [] ? vprintk_emit+0x636/0x647 [ 3345.588948] [] ? vprintk_default+0x65/0x6e [ 3345.608649] [] ? ext4_free_inode+0xa8e/0xa8e [ 3345.627124] [] ? ubsan_epilogue+0x26/0x53 [ 3345.643550] [] ? arch_local_irq_restore+0x6/0xd [ 3345.672040] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3345.695368] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3345.715860] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3345.739362] [] ext4_symlink+0x515/0xb42 [ 3345.755263] [] ? ext4_orphan_del+0x68c/0x68c [ 3345.777146] [] ? __inode_permission+0x261/0x270 [ 3345.796189] [] ? security_inode_symlink+0xd8/0xe7 [ 3345.814317] [] vfs_symlink+0x106/0x137 [ 3345.835074] [] ? SYSC_symlinkat+0x1af/0x218 [ 3345.854411] [] SYSC_symlinkat+0x1c2/0x218 [ 3345.870952] [] ? do_unlinkat+0x41a/0x41a [ 3345.888321] [] SyS_symlink+0x28/0x2c [ 3345.905010] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3345.925510] ================================================================================ [ 3345.958198] ================================================================================ [ 3345.991719] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:772:7 [ 3346.010463] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3346.038143] which requires 64 byte alignment [ 3346.051680] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3346.072667] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3346.102464] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3346.127647] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3346.151569] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3346.176613] Call Trace: [ 3346.185636] [] dump_stack+0xd7/0x132 [ 3346.202793] [] ? arch_local_irq_restore+0x1b/0x1b [ 3346.220752] [] ubsan_epilogue+0x12/0x53 [ 3346.239391] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3346.261202] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3346.284913] [] ? univ8250_console_setup+0x15a/0x15a [ 3346.304218] [] __ext4_new_inode+0x2c9/0x34f9 [ 3346.323418] [] ? console_unlock+0x6a9/0x6b8 [ 3346.340398] [] ? vprintk_emit+0x636/0x647 [ 3346.360605] [] ? vprintk_default+0x65/0x6e [ 3346.379341] [] ? ext4_free_inode+0xa8e/0xa8e [ 3346.397300] [] ? ubsan_epilogue+0x26/0x53 [ 3346.415432] [] ? arch_local_irq_restore+0x6/0xd [ 3346.434928] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3346.456725] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3346.479012] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3346.499544] [] ext4_symlink+0x515/0xb42 [ 3346.518920] [] ? ext4_orphan_del+0x68c/0x68c [ 3346.538310] [] ? __inode_permission+0x261/0x270 [ 3346.555275] [] ? security_inode_symlink+0xd8/0xe7 [ 3346.574422] [] vfs_symlink+0x106/0x137 [ 3346.592540] [] ? SYSC_symlinkat+0x1af/0x218 [ 3346.612383] [] SYSC_symlinkat+0x1c2/0x218 [ 3346.632380] [] ? do_unlinkat+0x41a/0x41a [ 3346.650699] [] SyS_symlink+0x28/0x2c [ 3346.666264] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3346.686418] ================================================================================ [ 3346.709133] ================================================================================ [ 3346.732917] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3346.755119] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3346.785419] which requires 64 byte alignment [ 3346.797591] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3346.818455] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3346.866664] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3346.931099] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3346.986251] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3347.032852] Call Trace: [ 3347.039088] [] dump_stack+0xd7/0x132 [ 3347.053124] [] ? arch_local_irq_restore+0x1b/0x1b [ 3347.074352] [] ubsan_epilogue+0x12/0x53 [ 3347.095289] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3347.117073] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3347.145618] [] ? univ8250_console_setup+0x15a/0x15a [ 3347.163877] [] __ext4_new_inode+0x563/0x34f9 [ 3347.180550] [] ? console_unlock+0x6a9/0x6b8 [ 3347.197449] [] ? vprintk_emit+0x636/0x647 [ 3347.215975] [] ? vprintk_default+0x65/0x6e [ 3347.232725] [] ? ext4_free_inode+0xa8e/0xa8e [ 3347.253568] [] ? ubsan_epilogue+0x26/0x53 [ 3347.272288] [] ? arch_local_irq_restore+0x6/0xd [ 3347.290855] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3347.313121] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3347.337283] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3347.363987] [] ext4_symlink+0x515/0xb42 [ 3347.380445] [] ? ext4_orphan_del+0x68c/0x68c [ 3347.402645] [] ? __inode_permission+0x261/0x270 [ 3347.421100] [] ? security_inode_symlink+0xd8/0xe7 [ 3347.442675] [] vfs_symlink+0x106/0x137 [ 3347.459771] [] ? SYSC_symlinkat+0x1af/0x218 [ 3347.481674] [] SYSC_symlinkat+0x1c2/0x218 [ 3347.497669] [] ? do_unlinkat+0x41a/0x41a [ 3347.517285] [] SyS_symlink+0x28/0x2c [ 3347.532681] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3347.550761] ================================================================================ [ 3347.575791] ================================================================================ [ 3347.603487] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2827:15 [ 3347.623557] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3347.649333] which requires 64 byte alignment [ 3347.662401] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3347.681459] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3347.709396] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3347.733430] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3347.759701] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3347.787653] Call Trace: [ 3347.795011] [] dump_stack+0xd7/0x132 [ 3347.812959] [] ? arch_local_irq_restore+0x1b/0x1b [ 3347.833097] [] ubsan_epilogue+0x12/0x53 [ 3347.854285] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3347.873455] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3347.900151] [] ? univ8250_console_setup+0x15a/0x15a [ 3347.919380] [] __ext4_new_inode+0x599/0x34f9 [ 3347.938969] [] ? console_unlock+0x6a9/0x6b8 [ 3347.958684] [] ? vprintk_emit+0x636/0x647 [ 3347.975431] [] ? vprintk_default+0x65/0x6e [ 3347.995882] [] ? ext4_free_inode+0xa8e/0xa8e [ 3348.014285] [] ? ubsan_epilogue+0x26/0x53 [ 3348.033054] [] ? arch_local_irq_restore+0x6/0xd [ 3348.051879] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3348.072335] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3348.094365] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3348.114933] [] ext4_symlink+0x515/0xb42 [ 3348.130990] [] ? ext4_orphan_del+0x68c/0x68c [ 3348.149677] [] ? __inode_permission+0x261/0x270 [ 3348.168818] [] ? security_inode_symlink+0xd8/0xe7 [ 3348.187978] [] vfs_symlink+0x106/0x137 [ 3348.203251] [] ? SYSC_symlinkat+0x1af/0x218 [ 3348.223994] [] SYSC_symlinkat+0x1c2/0x218 [ 3348.241290] [] ? do_unlinkat+0x41a/0x41a [ 3348.256531] [] SyS_symlink+0x28/0x2c [ 3348.276786] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3348.296230] ================================================================================ [ 3348.330147] ================================================================================ [ 3348.355306] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3348.371947] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3348.398923] which requires 64 byte alignment [ 3348.413153] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3348.434790] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3348.465034] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3348.487943] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3348.508769] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3348.532874] Call Trace: [ 3348.540166] [] dump_stack+0xd7/0x132 [ 3348.557281] [] ? arch_local_irq_restore+0x1b/0x1b [ 3348.577012] [] ubsan_epilogue+0x12/0x53 [ 3348.591945] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3348.615270] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3348.638020] [] ? inode_sb_list_add+0xe7/0xf2 [ 3348.654550] [] __ext4_new_inode+0x662/0x34f9 [ 3348.671210] [] ? console_unlock+0x6a9/0x6b8 [ 3348.688914] [] ? vprintk_emit+0x636/0x647 [ 3348.704191] [] ? vprintk_default+0x65/0x6e [ 3348.720227] [] ? ext4_free_inode+0xa8e/0xa8e [ 3348.737489] [] ? ubsan_epilogue+0x26/0x53 [ 3348.753587] [] ? arch_local_irq_restore+0x6/0xd [ 3348.779369] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3348.805509] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3348.827330] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3348.846159] [] ext4_symlink+0x515/0xb42 [ 3348.865261] [] ? ext4_orphan_del+0x68c/0x68c [ 3348.881575] [] ? __inode_permission+0x261/0x270 [ 3348.899607] [] ? security_inode_symlink+0xd8/0xe7 [ 3348.918501] [] vfs_symlink+0x106/0x137 [ 3348.935318] [] ? SYSC_symlinkat+0x1af/0x218 [ 3348.954754] [] SYSC_symlinkat+0x1c2/0x218 [ 3348.971105] [] ? do_unlinkat+0x41a/0x41a [ 3348.988142] [] SyS_symlink+0x28/0x2c [ 3349.004334] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3349.023178] ================================================================================ [ 3349.048210] ================================================================================ [ 3349.074056] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3349.092832] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3349.123950] which requires 64 byte alignment [ 3349.135714] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3349.157618] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3349.189599] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3349.213323] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3349.235270] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3349.257585] Call Trace: [ 3349.264947] [] dump_stack+0xd7/0x132 [ 3349.284001] [] ? arch_local_irq_restore+0x1b/0x1b [ 3349.299763] [] ubsan_epilogue+0x12/0x53 [ 3349.317123] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3349.338949] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3349.360728] [] ? inode_sb_list_add+0xe7/0xf2 [ 3349.378764] [] __ext4_new_inode+0x82e/0x34f9 [ 3349.393319] [] ? console_unlock+0x6a9/0x6b8 [ 3349.411285] [] ? vprintk_emit+0x636/0x647 [ 3349.431807] [] ? ext4_free_inode+0xa8e/0xa8e [ 3349.449111] [] ? ubsan_epilogue+0x26/0x53 [ 3349.468503] [] ? arch_local_irq_restore+0x6/0xd [ 3349.485439] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3349.508601] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3349.529100] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3349.550436] [] ext4_symlink+0x515/0xb42 [ 3349.567688] [] ? ext4_orphan_del+0x68c/0x68c [ 3349.588465] [] ? __inode_permission+0x261/0x270 [ 3349.608639] [] ? security_inode_symlink+0xd8/0xe7 [ 3349.629004] [] vfs_symlink+0x106/0x137 [ 3349.647653] [] ? SYSC_symlinkat+0x1af/0x218 [ 3349.665534] [] SYSC_symlinkat+0x1c2/0x218 [ 3349.680655] [] ? do_unlinkat+0x41a/0x41a [ 3349.696728] [] SyS_symlink+0x28/0x2c [ 3349.715078] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3349.736585] ================================================================================ [ 3349.763179] ================================================================================ [ 3349.790322] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:801:13 [ 3349.811156] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3349.847429] which requires 64 byte alignment [ 3349.859159] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3349.881784] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3349.908588] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3349.934647] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3349.960790] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3349.983967] Call Trace: [ 3349.992426] [] dump_stack+0xd7/0x132 [ 3350.009254] [] ? arch_local_irq_restore+0x1b/0x1b [ 3350.027555] [] ubsan_epilogue+0x12/0x53 [ 3350.044958] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3350.066935] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3350.088328] [] ? inode_sb_list_add+0xe7/0xf2 [ 3350.109230] [] __ext4_new_inode+0x854/0x34f9 [ 3350.126922] [] ? console_unlock+0x6a9/0x6b8 [ 3350.143065] [] ? vprintk_emit+0x636/0x647 [ 3350.159887] [] ? ext4_free_inode+0xa8e/0xa8e [ 3350.179041] [] ? ubsan_epilogue+0x26/0x53 [ 3350.195920] [] ? arch_local_irq_restore+0x6/0xd [ 3350.213357] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3350.235431] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3350.256651] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3350.279984] [] ext4_symlink+0x515/0xb42 [ 3350.294119] [] ? ext4_orphan_del+0x68c/0x68c [ 3350.313305] [] ? __inode_permission+0x261/0x270 [ 3350.333366] [] ? security_inode_symlink+0xd8/0xe7 [ 3350.352516] [] vfs_symlink+0x106/0x137 [ 3350.369772] [] ? SYSC_symlinkat+0x1af/0x218 [ 3350.387562] [] SYSC_symlinkat+0x1c2/0x218 [ 3350.405507] [] ? do_unlinkat+0x41a/0x41a [ 3350.424015] [] SyS_symlink+0x28/0x2c [ 3350.438367] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3350.455881] ================================================================================ [ 3350.480790] ================================================================================ [ 3350.504807] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3350.523969] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3350.552826] which requires 64 byte alignment [ 3350.566871] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3350.588426] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3350.618547] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3350.639880] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3350.663003] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3350.689020] Call Trace: [ 3350.695310] [] dump_stack+0xd7/0x132 [ 3350.712092] [] ? arch_local_irq_restore+0x1b/0x1b [ 3350.731219] [] ubsan_epilogue+0x12/0x53 [ 3350.748387] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3350.770308] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3350.791855] [] __ext4_new_inode+0x9ad/0x34f9 [ 3350.808883] [] ? console_unlock+0x6a9/0x6b8 [ 3350.826578] [] ? vprintk_emit+0x636/0x647 [ 3350.842816] [] ? ext4_free_inode+0xa8e/0xa8e [ 3350.864872] [] ? ubsan_epilogue+0x26/0x53 [ 3350.885499] [] ? arch_local_irq_restore+0x6/0xd [ 3350.904696] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3350.923227] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3350.943783] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3350.965791] [] ext4_symlink+0x515/0xb42 [ 3350.984580] [] ? ext4_orphan_del+0x68c/0x68c [ 3351.002690] [] ? __inode_permission+0x261/0x270 [ 3351.019585] [] ? security_inode_symlink+0xd8/0xe7 [ 3351.037028] [] vfs_symlink+0x106/0x137 [ 3351.054730] [] ? SYSC_symlinkat+0x1af/0x218 [ 3351.072868] [] SYSC_symlinkat+0x1c2/0x218 [ 3351.090445] [] ? do_unlinkat+0x41a/0x41a [ 3351.108076] [] SyS_symlink+0x28/0x2c [ 3351.121687] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3351.138480] ================================================================================ [ 3351.167436] ================================================================================ [ 3351.190397] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:808:6 [ 3351.210308] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3351.234577] which requires 64 byte alignment [ 3351.247094] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3351.266472] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3351.290246] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3351.311507] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3351.334219] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3351.353374] Call Trace: [ 3351.360728] [] dump_stack+0xd7/0x132 [ 3351.376386] [] ? arch_local_irq_restore+0x1b/0x1b [ 3351.393171] [] ubsan_epilogue+0x12/0x53 [ 3351.409681] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3351.432368] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3351.453508] [] __ext4_new_inode+0x9da/0x34f9 [ 3351.470705] [] ? console_unlock+0x6a9/0x6b8 [ 3351.487778] [] ? vprintk_emit+0x636/0x647 [ 3351.504755] [] ? ext4_free_inode+0xa8e/0xa8e [ 3351.519989] [] ? ubsan_epilogue+0x26/0x53 [ 3351.537769] [] ? arch_local_irq_restore+0x6/0xd [ 3351.560047] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3351.582052] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3351.599560] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3351.625107] [] ext4_symlink+0x515/0xb42 [ 3351.640167] [] ? ext4_orphan_del+0x68c/0x68c [ 3351.664528] [] ? __inode_permission+0x261/0x270 [ 3351.683903] [] ? security_inode_symlink+0xd8/0xe7 [ 3351.700396] [] vfs_symlink+0x106/0x137 [ 3351.715700] [] ? SYSC_symlinkat+0x1af/0x218 [ 3351.734687] [] SYSC_symlinkat+0x1c2/0x218 [ 3351.749993] [] ? do_unlinkat+0x41a/0x41a [ 3351.765504] [] SyS_symlink+0x28/0x2c [ 3351.779300] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3351.804280] ================================================================================ [ 3351.829426] ================================================================================ [ 3351.853405] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:812:18 [ 3351.872222] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3351.905610] which requires 64 byte alignment [ 3351.916169] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3351.933121] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3351.965087] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3351.987501] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3352.010185] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3352.032890] Call Trace: [ 3352.038955] [] dump_stack+0xd7/0x132 [ 3352.054577] [] ? arch_local_irq_restore+0x1b/0x1b [ 3352.073098] [] ubsan_epilogue+0x12/0x53 [ 3352.088837] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3352.109077] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3352.127834] [] __ext4_new_inode+0xae9/0x34f9 [ 3352.146150] [] ? console_unlock+0x6a9/0x6b8 [ 3352.166253] [] ? vprintk_emit+0x636/0x647 [ 3352.180432] [] ? ext4_free_inode+0xa8e/0xa8e [ 3352.198930] [] ? ubsan_epilogue+0x26/0x53 [ 3352.214450] [] ? arch_local_irq_restore+0x6/0xd [ 3352.231389] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3352.251898] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3352.270952] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3352.293347] [] ext4_symlink+0x515/0xb42 [ 3352.309317] [] ? ext4_orphan_del+0x68c/0x68c [ 3352.329423] [] ? __inode_permission+0x261/0x270 [ 3352.347338] [] ? security_inode_symlink+0xd8/0xe7 [ 3352.365745] [] vfs_symlink+0x106/0x137 [ 3352.383370] [] ? SYSC_symlinkat+0x1af/0x218 [ 3352.398966] [] SYSC_symlinkat+0x1c2/0x218 [ 3352.414738] [] ? do_unlinkat+0x41a/0x41a [ 3352.434666] [] SyS_symlink+0x28/0x2c [ 3352.448103] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3352.466416] ================================================================================ [ 3352.491824] ================================================================================ [ 3352.514859] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:819:8 [ 3352.533991] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3352.556934] which requires 64 byte alignment [ 3352.567124] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3352.586524] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3352.616486] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3352.639065] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3352.659982] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3352.684164] Call Trace: [ 3352.690080] [] dump_stack+0xd7/0x132 [ 3352.709069] [] ? arch_local_irq_restore+0x1b/0x1b [ 3352.728306] [] ubsan_epilogue+0x12/0x53 [ 3352.750313] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3352.772411] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3352.791881] [] ? map_id_down+0x11c/0x12b [ 3352.808530] [] __ext4_new_inode+0xb8f/0x34f9 [ 3352.827883] [] ? console_unlock+0x6a9/0x6b8 [ 3352.842054] [] ? vprintk_emit+0x636/0x647 [ 3352.857463] [] ? ext4_free_inode+0xa8e/0xa8e [ 3352.871495] [] ? ubsan_epilogue+0x26/0x53 [ 3352.890366] [] ? arch_local_irq_restore+0x6/0xd [ 3352.907787] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3352.932710] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3352.953338] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3352.972401] [] ext4_symlink+0x515/0xb42 [ 3352.987976] [] ? ext4_orphan_del+0x68c/0x68c [ 3353.007781] [] ? __inode_permission+0x261/0x270 [ 3353.024713] [] ? security_inode_symlink+0xd8/0xe7 [ 3353.042786] [] vfs_symlink+0x106/0x137 [ 3353.059146] [] ? SYSC_symlinkat+0x1af/0x218 [ 3353.075504] [] SYSC_symlinkat+0x1c2/0x218 [ 3353.091370] [] ? do_unlinkat+0x41a/0x41a [ 3353.108369] [] SyS_symlink+0x28/0x2c [ 3353.125489] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3353.141711] ================================================================================ [ 3353.164784] ================================================================================ [ 3353.191448] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3353.215496] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3353.240292] which requires 64 byte alignment [ 3353.254581] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3353.275442] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3353.311179] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3353.336482] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3353.359998] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3353.385228] Call Trace: [ 3353.391233] [] dump_stack+0xd7/0x132 [ 3353.405563] [] ? arch_local_irq_restore+0x1b/0x1b [ 3353.424243] [] ubsan_epilogue+0x12/0x53 [ 3353.439972] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3353.459814] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3353.482468] [] ? map_id_down+0x11c/0x12b [ 3353.496522] [] __ext4_new_inode+0xddf/0x34f9 [ 3353.514660] [] ? console_unlock+0x6a9/0x6b8 [ 3353.533260] [] ? vprintk_emit+0x636/0x647 [ 3353.549221] [] ? ext4_free_inode+0xa8e/0xa8e [ 3353.566383] [] ? ubsan_epilogue+0x26/0x53 [ 3353.582115] [] ? arch_local_irq_restore+0x6/0xd [ 3353.598706] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3353.620108] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3353.642316] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3353.661720] [] ext4_symlink+0x515/0xb42 [ 3353.676191] [] ? ext4_orphan_del+0x68c/0x68c [ 3353.694685] [] ? __inode_permission+0x261/0x270 [ 3353.711386] [] ? security_inode_symlink+0xd8/0xe7 [ 3353.731037] [] vfs_symlink+0x106/0x137 [ 3353.748628] [] ? SYSC_symlinkat+0x1af/0x218 [ 3353.763337] [] SYSC_symlinkat+0x1c2/0x218 [ 3353.778914] [] ? do_unlinkat+0x41a/0x41a [ 3353.794579] [] SyS_symlink+0x28/0x2c [ 3353.812565] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3353.840779] ================================================================================ [ 3353.866859] ================================================================================ [ 3353.888986] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2827:15 [ 3353.906093] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3353.935331] which requires 64 byte alignment [ 3353.948382] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3353.969352] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3353.996628] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3354.019483] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3354.044336] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3354.066051] Call Trace: [ 3354.071387] [] dump_stack+0xd7/0x132 [ 3354.087866] [] ? arch_local_irq_restore+0x1b/0x1b [ 3354.105239] [] ubsan_epilogue+0x12/0x53 [ 3354.123673] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3354.146569] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3354.167691] [] ? map_id_down+0x11c/0x12b [ 3354.185214] [] __ext4_new_inode+0xe0c/0x34f9 [ 3354.204553] [] ? console_unlock+0x6a9/0x6b8 [ 3354.222713] [] ? vprintk_emit+0x636/0x647 [ 3354.240060] [] ? ext4_free_inode+0xa8e/0xa8e [ 3354.257637] [] ? ubsan_epilogue+0x26/0x53 [ 3354.276967] [] ? arch_local_irq_restore+0x6/0xd [ 3354.294765] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3354.315406] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3354.338426] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3354.359807] [] ext4_symlink+0x515/0xb42 [ 3354.375629] [] ? ext4_orphan_del+0x68c/0x68c [ 3354.396007] [] ? __inode_permission+0x261/0x270 [ 3354.412703] [] ? security_inode_symlink+0xd8/0xe7 [ 3354.432550] [] vfs_symlink+0x106/0x137 [ 3354.449016] [] ? SYSC_symlinkat+0x1af/0x218 [ 3354.466261] [] SYSC_symlinkat+0x1c2/0x218 [ 3354.481170] [] ? do_unlinkat+0x41a/0x41a [ 3354.496077] [] SyS_symlink+0x28/0x2c [ 3354.512041] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3354.532077] ================================================================================ [ 3354.557050] ================================================================================ [ 3354.584732] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3354.602182] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3354.627872] which requires 64 byte alignment [ 3354.640107] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3354.659729] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3354.686665] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3354.708627] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3354.731032] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3354.754501] Call Trace: [ 3354.761407] [] dump_stack+0xd7/0x132 [ 3354.779701] [] ? arch_local_irq_restore+0x1b/0x1b [ 3354.799989] [] ubsan_epilogue+0x12/0x53 [ 3354.815414] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3354.846518] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3354.869945] [] ? map_id_down+0x11c/0x12b [ 3354.886491] [] __ext4_new_inode+0xe39/0x34f9 [ 3354.901069] [] ? console_unlock+0x6a9/0x6b8 [ 3354.920261] [] ? vprintk_emit+0x636/0x647 [ 3354.936740] [] ? ext4_free_inode+0xa8e/0xa8e [ 3354.952679] [] ? ubsan_epilogue+0x26/0x53 [ 3354.969613] [] ? arch_local_irq_restore+0x6/0xd [ 3354.988011] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3355.006307] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3355.028466] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3355.049479] [] ext4_symlink+0x515/0xb42 [ 3355.066584] [] ? ext4_orphan_del+0x68c/0x68c [ 3355.082485] [] ? __inode_permission+0x261/0x270 [ 3355.096457] [] ? security_inode_symlink+0xd8/0xe7 [ 3355.115940] [] vfs_symlink+0x106/0x137 [ 3355.134070] [] ? SYSC_symlinkat+0x1af/0x218 [ 3355.148998] [] SYSC_symlinkat+0x1c2/0x218 [ 3355.171392] [] ? do_unlinkat+0x41a/0x41a [ 3355.189367] [] SyS_symlink+0x28/0x2c [ 3355.206186] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3355.224411] ================================================================================ [ 3355.250805] ================================================================================ [ 3355.274444] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2841:17 [ 3355.293579] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3355.319021] which requires 64 byte alignment [ 3355.333104] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3355.352349] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3355.379244] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3355.405130] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3355.426236] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3355.448754] Call Trace: [ 3355.454824] [] dump_stack+0xd7/0x132 [ 3355.470600] [] ? arch_local_irq_restore+0x1b/0x1b [ 3355.488502] [] ubsan_epilogue+0x12/0x53 [ 3355.503118] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3355.524708] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3355.544629] [] ? map_id_down+0x11c/0x12b [ 3355.562656] [] __ext4_new_inode+0xe5a/0x34f9 [ 3355.579081] [] ? console_unlock+0x6a9/0x6b8 [ 3355.595454] [] ? vprintk_emit+0x636/0x647 [ 3355.614932] [] ? ext4_free_inode+0xa8e/0xa8e [ 3355.633733] [] ? ubsan_epilogue+0x26/0x53 [ 3355.650364] [] ? arch_local_irq_restore+0x6/0xd [ 3355.669276] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3355.687587] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3355.708799] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3355.732109] [] ext4_symlink+0x515/0xb42 [ 3355.750906] [] ? ext4_orphan_del+0x68c/0x68c [ 3355.769018] [] ? __inode_permission+0x261/0x270 [ 3355.787144] [] ? security_inode_symlink+0xd8/0xe7 [ 3355.803169] [] vfs_symlink+0x106/0x137 [ 3355.819288] [] ? SYSC_symlinkat+0x1af/0x218 [ 3355.835087] [] SYSC_symlinkat+0x1c2/0x218 [ 3355.852599] [] ? do_unlinkat+0x41a/0x41a [ 3355.868503] [] SyS_symlink+0x28/0x2c [ 3355.884409] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3355.909774] ================================================================================ [ 3355.934292] ================================================================================ [ 3355.958661] UBSAN: Undefined behaviour in fs/ext4/balloc.c:309:12 [ 3355.975174] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3356.006006] which requires 64 byte alignment [ 3356.015682] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3356.035547] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3356.062923] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79a0 ffffffffb26ec5cc [ 3356.086640] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3356.110608] ffffffff00000010 ffff8800a2ea79c8 ffff8800a2ea7978 ffffffffb363c3e0 [ 3356.130934] Call Trace: [ 3356.137193] [] dump_stack+0xd7/0x132 [ 3356.152148] [] ? arch_local_irq_restore+0x1b/0x1b [ 3356.168107] [] ubsan_epilogue+0x12/0x53 [ 3356.183688] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3356.205233] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3356.226473] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3356.244161] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3356.264360] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3356.286802] [] ext4_get_group_desc+0x307/0x365 [ 3356.305236] [] __ext4_new_inode+0x12da/0x34f9 [ 3356.319610] [] ? ext4_free_inode+0xa8e/0xa8e [ 3356.339468] [] ? ubsan_epilogue+0x26/0x53 [ 3356.357033] [] ? arch_local_irq_restore+0x6/0xd [ 3356.373353] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3356.394407] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3356.416285] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3356.436456] [] ext4_symlink+0x515/0xb42 [ 3356.454062] [] ? ext4_orphan_del+0x68c/0x68c [ 3356.470853] [] ? __inode_permission+0x261/0x270 [ 3356.489116] [] ? security_inode_symlink+0xd8/0xe7 [ 3356.508205] [] vfs_symlink+0x106/0x137 [ 3356.524215] [] ? SYSC_symlinkat+0x1af/0x218 [ 3356.542215] [] SYSC_symlinkat+0x1c2/0x218 [ 3356.558897] [] ? do_unlinkat+0x41a/0x41a [ 3356.575404] [] SyS_symlink+0x28/0x2c [ 3356.593548] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3356.617163] ================================================================================ [ 3356.644951] ================================================================================ [ 3356.670760] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3356.686914] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3356.712706] which requires 64 byte alignment [ 3356.727482] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3356.750221] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3356.778384] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79b8 ffffffffb26ec5cc [ 3356.800979] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3356.821104] ffffffff00000010 ffff8800a2ea79e0 ffff8800a2ea7990 ffffffffb363c3e0 [ 3356.846424] Call Trace: [ 3356.853215] [] dump_stack+0xd7/0x132 [ 3356.868810] [] ? arch_local_irq_restore+0x1b/0x1b [ 3356.903478] [] ubsan_epilogue+0x12/0x53 [ 3356.919295] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3356.937606] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3356.961061] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3356.984451] [] ext4_get_group_info+0x32/0x1f8 [ 3356.999117] [] ? ext4_free_inodes_count+0xc4/0xe1 [ 3357.019387] [] __ext4_new_inode+0x1311/0x34f9 [ 3357.039517] [] ? ext4_free_inode+0xa8e/0xa8e [ 3357.057120] [] ? ubsan_epilogue+0x26/0x53 [ 3357.073257] [] ? arch_local_irq_restore+0x6/0xd [ 3357.093613] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3357.113270] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3357.137486] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3357.156722] [] ext4_symlink+0x515/0xb42 [ 3357.174261] [] ? ext4_orphan_del+0x68c/0x68c [ 3357.192385] [] ? __inode_permission+0x261/0x270 [ 3357.211686] [] ? security_inode_symlink+0xd8/0xe7 [ 3357.230768] [] vfs_symlink+0x106/0x137 [ 3357.245332] [] ? SYSC_symlinkat+0x1af/0x218 [ 3357.263669] [] SYSC_symlinkat+0x1c2/0x218 [ 3357.280384] [] ? do_unlinkat+0x41a/0x41a [ 3357.300755] [] SyS_symlink+0x28/0x2c [ 3357.316630] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3357.336523] ================================================================================ [ 3357.362374] ================================================================================ [ 3357.390672] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2813:3 [ 3357.412234] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3357.443303] which requires 64 byte alignment [ 3357.454789] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3357.474320] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3357.500131] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79b8 ffffffffb26ec5cc [ 3357.527931] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3357.550802] ffffffff00000010 ffff8800a2ea79e0 ffff8800a2ea7990 ffffffffb363c3e0 [ 3357.574669] Call Trace: [ 3357.580519] [] dump_stack+0xd7/0x132 [ 3357.596365] [] ? arch_local_irq_restore+0x1b/0x1b [ 3357.612752] [] ubsan_epilogue+0x12/0x53 [ 3357.629322] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3357.650497] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3357.671957] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3357.691246] [] ext4_get_group_info+0x62/0x1f8 [ 3357.708053] [] ? ext4_free_inodes_count+0xc4/0xe1 [ 3357.728840] [] __ext4_new_inode+0x1311/0x34f9 [ 3357.746569] [] ? ext4_free_inode+0xa8e/0xa8e [ 3357.768704] [] ? ubsan_epilogue+0x26/0x53 [ 3357.791791] [] ? arch_local_irq_restore+0x6/0xd [ 3357.810002] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3357.830476] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3357.849495] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3357.872667] [] ext4_symlink+0x515/0xb42 [ 3357.891745] [] ? ext4_orphan_del+0x68c/0x68c [ 3357.910086] [] ? __inode_permission+0x261/0x270 [ 3357.931799] [] ? security_inode_symlink+0xd8/0xe7 [ 3357.950920] [] vfs_symlink+0x106/0x137 [ 3357.965752] [] ? SYSC_symlinkat+0x1af/0x218 [ 3357.984025] [] SYSC_symlinkat+0x1c2/0x218 [ 3358.002859] [] ? do_unlinkat+0x41a/0x41a [ 3358.017194] [] SyS_symlink+0x28/0x2c [ 3358.032409] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3358.051421] ================================================================================ [ 3358.075564] ================================================================================ [ 3358.099165] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3358.114444] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3358.137490] which requires 64 byte alignment [ 3358.153949] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3358.170338] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3358.196500] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79b8 ffffffffb26ec5cc [ 3358.218181] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3358.240404] ffffffff00000010 ffff8800a2ea79e0 ffff8800a2ea7990 ffffffffb363c3e0 [ 3358.263853] Call Trace: [ 3358.269495] [] dump_stack+0xd7/0x132 [ 3358.284654] [] ? arch_local_irq_restore+0x1b/0x1b [ 3358.301178] [] ubsan_epilogue+0x12/0x53 [ 3358.317148] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3358.335942] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3358.355621] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3358.375341] [] ext4_get_group_info+0xa2/0x1f8 [ 3358.392498] [] ? ext4_free_inodes_count+0xc4/0xe1 [ 3358.413056] [] __ext4_new_inode+0x1311/0x34f9 [ 3358.428745] [] ? ext4_free_inode+0xa8e/0xa8e [ 3358.447364] [] ? ubsan_epilogue+0x26/0x53 [ 3358.463343] [] ? arch_local_irq_restore+0x6/0xd [ 3358.480452] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3358.502776] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3358.523444] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3358.541958] [] ext4_symlink+0x515/0xb42 [ 3358.557379] [] ? ext4_orphan_del+0x68c/0x68c [ 3358.576188] [] ? __inode_permission+0x261/0x270 [ 3358.593511] [] ? security_inode_symlink+0xd8/0xe7 [ 3358.612195] [] vfs_symlink+0x106/0x137 [ 3358.629976] [] ? SYSC_symlinkat+0x1af/0x218 [ 3358.647062] [] SYSC_symlinkat+0x1c2/0x218 [ 3358.664017] [] ? do_unlinkat+0x41a/0x41a [ 3358.678915] [] SyS_symlink+0x28/0x2c [ 3358.693124] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3358.716407] ================================================================================ [ 3358.743762] ================================================================================ [ 3358.767195] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2814:12 [ 3358.786289] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3358.810359] which requires 64 byte alignment [ 3358.824644] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3358.846131] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3358.874278] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79b8 ffffffffb26ec5cc [ 3358.902689] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3358.925215] ffffffff00000010 ffff8800a2ea79e0 ffff8800a2ea7990 ffffffffb363c3e0 [ 3358.947314] Call Trace: [ 3358.953670] [] dump_stack+0xd7/0x132 [ 3358.969540] [] ? arch_local_irq_restore+0x1b/0x1b [ 3358.987821] [] ubsan_epilogue+0x12/0x53 [ 3359.005546] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3359.024817] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3359.042768] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3359.066604] [] ext4_get_group_info+0xbc/0x1f8 [ 3359.087196] [] ? ext4_free_inodes_count+0xc4/0xe1 [ 3359.105950] [] __ext4_new_inode+0x1311/0x34f9 [ 3359.121173] [] ? ext4_free_inode+0xa8e/0xa8e [ 3359.136040] [] ? ubsan_epilogue+0x26/0x53 [ 3359.154371] [] ? arch_local_irq_restore+0x6/0xd [ 3359.171358] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3359.191781] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3359.213329] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3359.236219] [] ext4_symlink+0x515/0xb42 [ 3359.251792] [] ? ext4_orphan_del+0x68c/0x68c [ 3359.270361] [] ? __inode_permission+0x261/0x270 [ 3359.287923] [] ? security_inode_symlink+0xd8/0xe7 [ 3359.307569] [] vfs_symlink+0x106/0x137 [ 3359.325214] [] ? SYSC_symlinkat+0x1af/0x218 [ 3359.340619] [] SYSC_symlinkat+0x1c2/0x218 [ 3359.358193] [] ? do_unlinkat+0x41a/0x41a [ 3359.378469] [] SyS_symlink+0x28/0x2c [ 3359.394871] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3359.413717] ================================================================================ [ 3359.436841] ================================================================================ [ 3359.463712] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3359.480997] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3359.507397] which requires 64 byte alignment [ 3359.519599] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3359.539494] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3359.564413] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79b8 ffffffffb26ec5cc [ 3359.586326] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3359.607617] ffffffff00000010 ffff8800a2ea79e0 ffff8800a2ea7990 ffffffffb363c3e0 [ 3359.630699] Call Trace: [ 3359.637032] [] dump_stack+0xd7/0x132 [ 3359.653586] [] ? arch_local_irq_restore+0x1b/0x1b [ 3359.670632] [] ubsan_epilogue+0x12/0x53 [ 3359.690880] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3359.711800] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3359.731817] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3359.750705] [] ext4_get_group_info+0xec/0x1f8 [ 3359.769372] [] __ext4_new_inode+0x1311/0x34f9 [ 3359.787446] [] ? ext4_free_inode+0xa8e/0xa8e [ 3359.805958] [] ? ubsan_epilogue+0x26/0x53 [ 3359.822758] [] ? arch_local_irq_restore+0x6/0xd [ 3359.839746] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3359.859514] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3359.882271] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3359.906954] [] ext4_symlink+0x515/0xb42 [ 3359.919554] [] ? ext4_orphan_del+0x68c/0x68c [ 3359.935701] [] ? __inode_permission+0x261/0x270 [ 3359.957002] [] ? security_inode_symlink+0xd8/0xe7 [ 3359.974179] [] vfs_symlink+0x106/0x137 [ 3359.988115] [] ? SYSC_symlinkat+0x1af/0x218 [ 3360.004377] [] SYSC_symlinkat+0x1c2/0x218 [ 3360.018298] [] ? do_unlinkat+0x41a/0x41a [ 3360.035882] [] SyS_symlink+0x28/0x2c [ 3360.052086] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3360.070472] ================================================================================ [ 3360.095402] ================================================================================ [ 3360.119558] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2815:22 [ 3360.135375] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3360.164398] which requires 64 byte alignment [ 3360.175556] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3360.194764] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3360.222974] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79b8 ffffffffb26ec5cc [ 3360.245775] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3360.268793] ffffffff00000010 ffff8800a2ea79e0 ffff8800a2ea7990 ffffffffb363c3e0 [ 3360.289485] Call Trace: [ 3360.296376] [] dump_stack+0xd7/0x132 [ 3360.311787] [] ? arch_local_irq_restore+0x1b/0x1b [ 3360.330656] [] ubsan_epilogue+0x12/0x53 [ 3360.346252] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3360.365017] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3360.387725] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3360.407256] [] ext4_get_group_info+0x106/0x1f8 [ 3360.424599] [] __ext4_new_inode+0x1311/0x34f9 [ 3360.442310] [] ? ext4_free_inode+0xa8e/0xa8e [ 3360.459067] [] ? ubsan_epilogue+0x26/0x53 [ 3360.477083] [] ? arch_local_irq_restore+0x6/0xd [ 3360.494245] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3360.514055] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3360.539061] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3360.558032] [] ext4_symlink+0x515/0xb42 [ 3360.572290] [] ? ext4_orphan_del+0x68c/0x68c [ 3360.590777] [] ? __inode_permission+0x261/0x270 [ 3360.609492] [] ? security_inode_symlink+0xd8/0xe7 [ 3360.630496] [] vfs_symlink+0x106/0x137 [ 3360.645165] [] ? SYSC_symlinkat+0x1af/0x218 [ 3360.663926] [] SYSC_symlinkat+0x1c2/0x218 [ 3360.676885] [] ? do_unlinkat+0x41a/0x41a [ 3360.695505] [] SyS_symlink+0x28/0x2c [ 3360.714036] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3360.737498] ================================================================================ [ 3360.762510] ================================================================================ [ 3360.788179] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3360.806960] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3360.833298] which requires 64 byte alignment [ 3360.847547] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3360.866362] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3360.897720] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79b8 ffffffffb26ec5cc [ 3360.918228] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3360.938927] ffffffff00000010 ffff8800a2ea79e0 ffff8800a2ea7990 ffffffffb363c3e0 [ 3360.962772] Call Trace: [ 3360.970811] [] dump_stack+0xd7/0x132 [ 3360.986158] [] ? arch_local_irq_restore+0x1b/0x1b [ 3361.005368] [] ubsan_epilogue+0x12/0x53 [ 3361.017672] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3361.040591] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3361.061418] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3361.082417] [] ext4_get_group_info+0x15d/0x1f8 [ 3361.096642] [] __ext4_new_inode+0x1311/0x34f9 [ 3361.115490] [] ? ext4_free_inode+0xa8e/0xa8e [ 3361.132669] [] ? ubsan_epilogue+0x26/0x53 [ 3361.149191] [] ? arch_local_irq_restore+0x6/0xd [ 3361.167684] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3361.188689] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3361.208945] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3361.230098] [] ext4_symlink+0x515/0xb42 [ 3361.246387] [] ? ext4_orphan_del+0x68c/0x68c [ 3361.263648] [] ? __inode_permission+0x261/0x270 [ 3361.280414] [] ? security_inode_symlink+0xd8/0xe7 [ 3361.300193] [] vfs_symlink+0x106/0x137 [ 3361.317742] [] ? SYSC_symlinkat+0x1af/0x218 [ 3361.334170] [] SYSC_symlinkat+0x1c2/0x218 [ 3361.352107] [] ? do_unlinkat+0x41a/0x41a [ 3361.369432] [] SyS_symlink+0x28/0x2c [ 3361.384835] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3361.405205] ================================================================================ [ 3361.426941] ================================================================================ [ 3361.452350] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2816:22 [ 3361.468335] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3361.493447] which requires 64 byte alignment [ 3361.507210] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3361.528402] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3361.556652] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79b8 ffffffffb26ec5cc [ 3361.574816] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3361.599116] ffffffff00000010 ffff8800a2ea79e0 ffff8800a2ea7990 ffffffffb363c3e0 [ 3361.623119] Call Trace: [ 3361.629598] [] dump_stack+0xd7/0x132 [ 3361.648368] [] ? arch_local_irq_restore+0x1b/0x1b [ 3361.668722] [] ubsan_epilogue+0x12/0x53 [ 3361.683165] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3361.704386] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3361.724941] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3361.746031] [] ext4_get_group_info+0x185/0x1f8 [ 3361.763158] [] __ext4_new_inode+0x1311/0x34f9 [ 3361.779185] [] ? ext4_free_inode+0xa8e/0xa8e [ 3361.796235] [] ? ubsan_epilogue+0x26/0x53 [ 3361.811076] [] ? arch_local_irq_restore+0x6/0xd [ 3361.828365] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3361.848226] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3361.869064] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3361.889739] [] ext4_symlink+0x515/0xb42 [ 3361.907761] [] ? ext4_orphan_del+0x68c/0x68c [ 3361.923755] [] ? __inode_permission+0x261/0x270 [ 3361.940075] [] ? security_inode_symlink+0xd8/0xe7 [ 3361.960598] [] vfs_symlink+0x106/0x137 [ 3361.979140] [] ? SYSC_symlinkat+0x1af/0x218 [ 3361.994846] [] SYSC_symlinkat+0x1c2/0x218 [ 3362.080956] [] ? do_unlinkat+0x41a/0x41a [ 3362.096342] [] SyS_symlink+0x28/0x2c [ 3362.110833] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3362.131493] ================================================================================ [ 3362.158831] ================================================================================ [ 3362.181375] UBSAN: Undefined behaviour in ./include/linux/buffer_head.h:319:43 [ 3362.201714] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3362.230421] which requires 64 byte alignment [ 3362.244710] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3362.263178] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3362.292376] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79a8 ffffffffb26ec5cc [ 3362.314505] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3362.336527] 0000000000000010 ffff8800a2ea79d0 ffff8800a2ea7980 ffffffffb363c3e0 [ 3362.358287] Call Trace: [ 3362.363715] [] dump_stack+0xd7/0x132 [ 3362.378163] [] ? arch_local_irq_restore+0x1b/0x1b [ 3362.397548] [] ubsan_epilogue+0x12/0x53 [ 3362.412922] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3362.434138] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3362.455422] [] ext4_read_inode_bitmap+0x69/0xa37 [ 3362.474841] [] __ext4_new_inode+0x135f/0x34f9 [ 3362.490769] [] ? ext4_free_inode+0xa8e/0xa8e [ 3362.510297] [] ? ubsan_epilogue+0x26/0x53 [ 3362.527745] [] ? arch_local_irq_restore+0x6/0xd [ 3362.546390] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3362.572739] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3362.595061] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3362.618550] [] ext4_symlink+0x515/0xb42 [ 3362.637495] [] ? ext4_orphan_del+0x68c/0x68c [ 3362.657029] [] ? __inode_permission+0x261/0x270 [ 3362.674542] [] ? security_inode_symlink+0xd8/0xe7 [ 3362.691909] [] vfs_symlink+0x106/0x137 [ 3362.710590] [] ? SYSC_symlinkat+0x1af/0x218 [ 3362.728997] [] SYSC_symlinkat+0x1c2/0x218 [ 3362.746238] [] ? do_unlinkat+0x41a/0x41a [ 3362.763748] [] SyS_symlink+0x28/0x2c [ 3362.778106] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3362.796649] ================================================================================ [ 3362.824963] ================================================================================ [ 3362.848252] UBSAN: Undefined behaviour in ./include/linux/buffer_head.h:319:9 [ 3362.870634] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3362.896689] which requires 64 byte alignment [ 3362.911127] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3362.930175] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3362.958774] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79a8 ffffffffb26ec5cc [ 3362.984125] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3363.006397] ffffffff00000010 ffff8800a2ea79d0 ffff8800a2ea7980 ffffffffb363c3e0 [ 3363.028296] Call Trace: [ 3363.034645] [] dump_stack+0xd7/0x132 [ 3363.050239] [] ? arch_local_irq_restore+0x1b/0x1b [ 3363.069415] [] ubsan_epilogue+0x12/0x53 [ 3363.087014] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3363.106998] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3363.127659] [] ext4_read_inode_bitmap+0x99/0xa37 [ 3363.149376] [] __ext4_new_inode+0x135f/0x34f9 [ 3363.167196] [] ? ext4_free_inode+0xa8e/0xa8e [ 3363.185429] [] ? ubsan_epilogue+0x26/0x53 [ 3363.205048] [] ? arch_local_irq_restore+0x6/0xd [ 3363.220088] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3363.244227] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3363.266854] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3363.288320] [] ext4_symlink+0x515/0xb42 [ 3363.306935] [] ? ext4_orphan_del+0x68c/0x68c [ 3363.324033] [] ? __inode_permission+0x261/0x270 [ 3363.340418] [] ? security_inode_symlink+0xd8/0xe7 [ 3363.362939] [] vfs_symlink+0x106/0x137 [ 3363.378332] [] ? SYSC_symlinkat+0x1af/0x218 [ 3363.395311] [] SYSC_symlinkat+0x1c2/0x218 [ 3363.412823] [] ? do_unlinkat+0x41a/0x41a [ 3363.429159] [] SyS_symlink+0x28/0x2c [ 3363.444488] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3363.462834] ================================================================================ [ 3363.494641] ================================================================================ [ 3363.522999] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3363.539481] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3363.571701] which requires 64 byte alignment [ 3363.586401] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3363.603840] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3363.631045] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7978 ffffffffb26ec5cc [ 3363.652548] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3363.674908] ffff880000000010 ffff8800a2ea79a0 ffff8800a2ea7950 ffffffffb363c3e0 [ 3363.695902] Call Trace: [ 3363.705597] [] dump_stack+0xd7/0x132 [ 3363.719378] [] ? arch_local_irq_restore+0x1b/0x1b [ 3363.741294] [] ubsan_epilogue+0x12/0x53 [ 3363.759112] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3363.780150] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3363.799454] [] ? __getblk_slow+0x6e1/0x6f4 [ 3363.816882] [] ext4_lock_group+0x2f/0x11f [ 3363.838751] [] ext4_read_inode_bitmap+0x276/0xa37 [ 3363.861353] [] __ext4_new_inode+0x135f/0x34f9 [ 3363.878685] [] ? ext4_free_inode+0xa8e/0xa8e [ 3363.896742] [] ? ubsan_epilogue+0x26/0x53 [ 3363.911722] [] ? arch_local_irq_restore+0x6/0xd [ 3363.928869] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3363.948655] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3363.967497] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3363.990251] [] ext4_symlink+0x515/0xb42 [ 3364.007838] [] ? ext4_orphan_del+0x68c/0x68c [ 3364.025491] [] ? __inode_permission+0x261/0x270 [ 3364.043291] [] ? security_inode_symlink+0xd8/0xe7 [ 3364.061049] [] vfs_symlink+0x106/0x137 [ 3364.078549] [] ? SYSC_symlinkat+0x1af/0x218 [ 3364.093214] [] SYSC_symlinkat+0x1c2/0x218 [ 3364.113360] [] ? do_unlinkat+0x41a/0x41a [ 3364.131219] [] SyS_symlink+0x28/0x2c [ 3364.147332] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3364.168179] ================================================================================ [ 3364.195265] ================================================================================ [ 3364.228433] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2933:9 [ 3364.244534] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3364.297012] which requires 64 byte alignment [ 3364.318929] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3364.381086] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3364.431095] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7978 ffffffffb26ec5cc [ 3364.454261] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3364.474658] ffffffff00000010 ffff8800a2ea79a0 ffff8800a2ea7950 ffffffffb363c3e0 [ 3364.499144] Call Trace: [ 3364.506332] [] dump_stack+0xd7/0x132 [ 3364.522351] [] ? arch_local_irq_restore+0x1b/0x1b [ 3364.537774] [] ubsan_epilogue+0x12/0x53 [ 3364.555888] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3364.576027] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3364.596753] [] ? __getblk_slow+0x6e1/0x6f4 [ 3364.613635] [] ext4_lock_group+0x5f/0x11f [ 3364.629742] [] ext4_read_inode_bitmap+0x276/0xa37 [ 3364.651395] [] __ext4_new_inode+0x135f/0x34f9 [ 3364.668812] [] ? ext4_free_inode+0xa8e/0xa8e [ 3364.689581] [] ? ubsan_epilogue+0x26/0x53 [ 3364.708554] [] ? arch_local_irq_restore+0x6/0xd [ 3364.726244] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3364.745171] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3364.767829] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3364.792758] [] ext4_symlink+0x515/0xb42 [ 3364.809530] [] ? ext4_orphan_del+0x68c/0x68c [ 3364.828257] [] ? __inode_permission+0x261/0x270 [ 3364.846661] [] ? security_inode_symlink+0xd8/0xe7 [ 3364.870640] [] vfs_symlink+0x106/0x137 [ 3364.887064] [] ? SYSC_symlinkat+0x1af/0x218 [ 3364.906083] [] SYSC_symlinkat+0x1c2/0x218 [ 3364.921486] [] ? do_unlinkat+0x41a/0x41a [ 3364.935907] [] SyS_symlink+0x28/0x2c [ 3364.952617] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3364.973391] ================================================================================ [ 3364.995956] ================================================================================ [ 3365.019493] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3365.035822] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3365.066319] which requires 64 byte alignment [ 3365.078282] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3365.095947] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3365.125767] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7978 ffffffffb26ec5cc [ 3365.144682] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3365.166723] ffffffff00000010 ffff8800a2ea79a0 ffff8800a2ea7950 ffffffffb363c3e0 [ 3365.187224] Call Trace: [ 3365.192576] [] dump_stack+0xd7/0x132 [ 3365.211170] [] ? arch_local_irq_restore+0x1b/0x1b [ 3365.228976] [] ubsan_epilogue+0x12/0x53 [ 3365.245074] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3365.263083] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3365.283222] [] ? __getblk_slow+0x6e1/0x6f4 [ 3365.297639] [] ext4_lock_group+0xa4/0x11f [ 3365.315476] [] ext4_read_inode_bitmap+0x276/0xa37 [ 3365.334665] [] __ext4_new_inode+0x135f/0x34f9 [ 3365.352755] [] ? ext4_free_inode+0xa8e/0xa8e [ 3365.372182] [] ? ubsan_epilogue+0x26/0x53 [ 3365.388075] [] ? arch_local_irq_restore+0x6/0xd [ 3365.403699] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3365.424454] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3365.446078] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3365.468526] [] ext4_symlink+0x515/0xb42 [ 3365.487201] [] ? ext4_orphan_del+0x68c/0x68c [ 3365.506431] [] ? __inode_permission+0x261/0x270 [ 3365.525521] [] ? security_inode_symlink+0xd8/0xe7 [ 3365.542642] [] vfs_symlink+0x106/0x137 [ 3365.558092] [] ? SYSC_symlinkat+0x1af/0x218 [ 3365.576061] [] SYSC_symlinkat+0x1c2/0x218 [ 3365.593140] [] ? do_unlinkat+0x41a/0x41a [ 3365.611073] [] SyS_symlink+0x28/0x2c [ 3365.628807] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3365.650412] ================================================================================ [ 3365.674849] ================================================================================ [ 3365.695883] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3365.713427] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3365.741238] which requires 64 byte alignment [ 3365.755895] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3365.773374] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3365.799635] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7988 ffffffffb26ec5cc [ 3365.825215] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3365.847799] 0000000000000010 ffff8800a2ea79b0 ffff8800a2ea7960 ffffffffb363c3e0 [ 3365.872284] Call Trace: [ 3365.878928] [] dump_stack+0xd7/0x132 [ 3365.895282] [] ? arch_local_irq_restore+0x1b/0x1b [ 3365.913240] [] ubsan_epilogue+0x12/0x53 [ 3365.931695] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3365.950768] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3365.972054] [] ? atomic_add_unless+0x8d/0xa1 [ 3365.991266] [] ext4_unlock_group+0x2b/0x83 [ 3366.008340] [] ext4_read_inode_bitmap+0x2b6/0xa37 [ 3366.027680] [] __ext4_new_inode+0x135f/0x34f9 [ 3366.048266] [] ? ext4_free_inode+0xa8e/0xa8e [ 3366.066527] [] ? ubsan_epilogue+0x26/0x53 [ 3366.084470] [] ? arch_local_irq_restore+0x6/0xd [ 3366.101243] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3366.124837] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3366.146520] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3366.168594] [] ext4_symlink+0x515/0xb42 [ 3366.186184] [] ? ext4_orphan_del+0x68c/0x68c [ 3366.202826] [] ? __inode_permission+0x261/0x270 [ 3366.222619] [] ? security_inode_symlink+0xd8/0xe7 [ 3366.239257] [] vfs_symlink+0x106/0x137 [ 3366.253569] [] ? SYSC_symlinkat+0x1af/0x218 [ 3366.270453] [] SYSC_symlinkat+0x1c2/0x218 [ 3366.291513] [] ? do_unlinkat+0x41a/0x41a [ 3366.306167] [] SyS_symlink+0x28/0x2c [ 3366.322738] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3366.342308] ================================================================================ [ 3366.368252] ================================================================================ [ 3366.394330] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2933:9 [ 3366.409538] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3366.434602] which requires 64 byte alignment [ 3366.449489] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3366.471888] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3366.498436] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7988 ffffffffb26ec5cc [ 3366.519149] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3366.541665] ffffffff00000010 ffff8800a2ea79b0 ffff8800a2ea7960 ffffffffb363c3e0 [ 3366.564031] Call Trace: [ 3366.571554] [] dump_stack+0xd7/0x132 [ 3366.588808] [] ? arch_local_irq_restore+0x1b/0x1b [ 3366.606504] [] ubsan_epilogue+0x12/0x53 [ 3366.620053] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3366.640632] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3366.663220] [] ? atomic_add_unless+0x8d/0xa1 [ 3366.679575] [] ext4_unlock_group+0x5a/0x83 [ 3366.700546] [] ext4_read_inode_bitmap+0x2b6/0xa37 [ 3366.720333] [] __ext4_new_inode+0x135f/0x34f9 [ 3366.736451] [] ? ext4_free_inode+0xa8e/0xa8e [ 3366.755586] [] ? ubsan_epilogue+0x26/0x53 [ 3366.774208] [] ? arch_local_irq_restore+0x6/0xd [ 3366.792121] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3366.813342] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3366.833562] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3366.857006] [] ext4_symlink+0x515/0xb42 [ 3366.874766] [] ? ext4_orphan_del+0x68c/0x68c [ 3366.892469] [] ? __inode_permission+0x261/0x270 [ 3366.913444] [] ? security_inode_symlink+0xd8/0xe7 [ 3366.934445] [] vfs_symlink+0x106/0x137 [ 3366.950967] [] ? SYSC_symlinkat+0x1af/0x218 [ 3366.971587] [] SYSC_symlinkat+0x1c2/0x218 [ 3366.987638] [] ? do_unlinkat+0x41a/0x41a [ 3367.004666] [] SyS_symlink+0x28/0x2c [ 3367.019051] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3367.035260] ================================================================================ [ 3367.082641] ================================================================================ [ 3367.110407] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3367.128325] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3367.151074] which requires 64 byte alignment [ 3367.164147] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3367.186541] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3367.212789] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79a8 ffffffffb26ec5cc [ 3367.235574] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3367.258303] ffffffff00000010 ffff8800a2ea79d0 ffff8800a2ea7980 ffffffffb363c3e0 [ 3367.282985] Call Trace: [ 3367.288817] [] dump_stack+0xd7/0x132 [ 3367.307920] [] ? arch_local_irq_restore+0x1b/0x1b [ 3367.325105] [] ubsan_epilogue+0x12/0x53 [ 3367.339722] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3367.358842] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3367.379831] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3367.400360] [] ext4_read_inode_bitmap+0x31d/0xa37 [ 3367.427109] [] __ext4_new_inode+0x135f/0x34f9 [ 3367.446852] [] ? ext4_free_inode+0xa8e/0xa8e [ 3367.464806] [] ? ubsan_epilogue+0x26/0x53 [ 3367.480550] [] ? arch_local_irq_restore+0x6/0xd [ 3367.500354] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3367.517388] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3367.536017] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3367.557425] [] ext4_symlink+0x515/0xb42 [ 3367.571624] [] ? ext4_orphan_del+0x68c/0x68c [ 3367.588218] [] ? __inode_permission+0x261/0x270 [ 3367.606399] [] ? security_inode_symlink+0xd8/0xe7 [ 3367.621987] [] vfs_symlink+0x106/0x137 [ 3367.638706] [] ? SYSC_symlinkat+0x1af/0x218 [ 3367.653421] [] SYSC_symlinkat+0x1c2/0x218 [ 3367.671316] [] ? do_unlinkat+0x41a/0x41a [ 3367.684602] [] SyS_symlink+0x28/0x2c [ 3367.697445] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3367.717946] ================================================================================ [ 3367.750656] ================================================================================ [ 3367.778579] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3367.794811] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3367.819383] which requires 64 byte alignment [ 3367.830724] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3367.848241] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3367.878673] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79a8 ffffffffb26ec5cc [ 3367.898530] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3367.920568] 0000000000000010 ffff8800a2ea79d0 ffff8800a2ea7980 ffffffffb363c3e0 [ 3367.943382] Call Trace: [ 3367.951231] [] dump_stack+0xd7/0x132 [ 3367.966228] [] ? arch_local_irq_restore+0x1b/0x1b [ 3367.986331] [] ubsan_epilogue+0x12/0x53 [ 3368.000210] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3368.016865] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3368.038401] [] ext4_read_inode_bitmap+0x3d2/0xa37 [ 3368.057679] [] __ext4_new_inode+0x135f/0x34f9 [ 3368.073723] [] ? ext4_free_inode+0xa8e/0xa8e [ 3368.092276] [] ? ubsan_epilogue+0x26/0x53 [ 3368.110162] [] ? arch_local_irq_restore+0x6/0xd [ 3368.127409] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3368.147904] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3368.171492] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3368.189907] [] ext4_symlink+0x515/0xb42 [ 3368.207734] [] ? ext4_orphan_del+0x68c/0x68c [ 3368.225650] [] ? __inode_permission+0x261/0x270 [ 3368.246577] [] ? security_inode_symlink+0xd8/0xe7 [ 3368.264386] [] vfs_symlink+0x106/0x137 [ 3368.280140] [] ? SYSC_symlinkat+0x1af/0x218 [ 3368.297625] [] SYSC_symlinkat+0x1c2/0x218 [ 3368.314259] [] ? do_unlinkat+0x41a/0x41a [ 3368.331643] [] SyS_symlink+0x28/0x2c [ 3368.348602] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3368.366564] ================================================================================ [ 3368.391348] ================================================================================ [ 3368.414263] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:131:9 [ 3368.434757] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3368.468577] which requires 64 byte alignment [ 3368.480797] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3368.500705] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3368.526696] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79a8 ffffffffb26ec5cc [ 3368.549886] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3368.573381] ffffffff00000010 ffff8800a2ea79d0 ffff8800a2ea7980 ffffffffb363c3e0 [ 3368.595318] Call Trace: [ 3368.603212] [] dump_stack+0xd7/0x132 [ 3368.618593] [] ? arch_local_irq_restore+0x1b/0x1b [ 3368.636916] [] ubsan_epilogue+0x12/0x53 [ 3368.651425] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3368.671738] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3368.691163] [] ext4_read_inode_bitmap+0x3fc/0xa37 [ 3368.708279] [] __ext4_new_inode+0x135f/0x34f9 [ 3368.725633] [] ? ext4_free_inode+0xa8e/0xa8e [ 3368.740041] [] ? ubsan_epilogue+0x26/0x53 [ 3368.766989] [] ? arch_local_irq_restore+0x6/0xd [ 3368.790261] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3368.822258] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3368.851551] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3368.880939] [] ext4_symlink+0x515/0xb42 [ 3368.906297] [] ? ext4_orphan_del+0x68c/0x68c [ 3368.930097] [] ? __inode_permission+0x261/0x270 [ 3368.952579] [] ? security_inode_symlink+0xd8/0xe7 [ 3368.978681] [] vfs_symlink+0x106/0x137 [ 3368.996845] [] ? SYSC_symlinkat+0x1af/0x218 [ 3369.012143] [] SYSC_symlinkat+0x1c2/0x218 [ 3369.027654] [] ? do_unlinkat+0x41a/0x41a [ 3369.045154] [] SyS_symlink+0x28/0x2c [ 3369.059147] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3369.078029] ================================================================================ [ 3369.102358] ================================================================================ [ 3369.125078] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3369.141267] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3369.165623] which requires 64 byte alignment [ 3369.178553] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3369.196992] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3369.223430] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7970 ffffffffb26ec5cc [ 3369.242000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3369.264798] ffff880000000010 ffff8800a2ea7998 ffff8800a2ea7948 ffffffffb363c3e0 [ 3369.286055] Call Trace: [ 3369.291710] [] dump_stack+0xd7/0x132 [ 3369.307130] [] ? arch_local_irq_restore+0x1b/0x1b [ 3369.325513] [] ubsan_epilogue+0x12/0x53 [ 3369.339407] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3369.360342] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3369.381563] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3369.404947] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3369.423786] [] ext4_inode_bitmap_csum_verify+0x3d/0x182 [ 3369.443503] [] ext4_read_inode_bitmap+0x41f/0xa37 [ 3369.459390] [] __ext4_new_inode+0x135f/0x34f9 [ 3369.478316] [] ? ext4_free_inode+0xa8e/0xa8e [ 3369.495291] [] ? ubsan_epilogue+0x26/0x53 [ 3369.509726] [] ? arch_local_irq_restore+0x6/0xd [ 3369.527291] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3369.547082] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3369.570284] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3369.589624] [] ext4_symlink+0x515/0xb42 [ 3369.606175] [] ? ext4_orphan_del+0x68c/0x68c [ 3369.625596] [] ? __inode_permission+0x261/0x270 [ 3369.640301] [] ? security_inode_symlink+0xd8/0xe7 [ 3369.660044] [] vfs_symlink+0x106/0x137 [ 3369.675604] [] ? SYSC_symlinkat+0x1af/0x218 [ 3369.692325] [] SYSC_symlinkat+0x1c2/0x218 [ 3369.707750] [] ? do_unlinkat+0x41a/0x41a [ 3369.723467] [] SyS_symlink+0x28/0x2c [ 3369.736946] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3369.762046] ================================================================================ [ 3369.802507] ================================================================================ [ 3369.834112] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3369.856101] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3369.885417] which requires 64 byte alignment [ 3369.897356] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3369.915751] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3369.944035] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7940 ffffffffb26ec5cc [ 3369.967681] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3369.990349] fffffbff00000010 ffff8800a2ea7968 ffff8800a2ea7918 ffffffffb363c3e0 [ 3370.014164] Call Trace: [ 3370.021374] [] dump_stack+0xd7/0x132 [ 3370.034454] [] ? arch_local_irq_restore+0x1b/0x1b [ 3370.054339] [] ubsan_epilogue+0x12/0x53 [ 3370.066740] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3370.086127] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3370.106709] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3370.127305] [] ext4_has_metadata_csum+0x2c/0x1a0 [ 3370.143203] [] ext4_inode_bitmap_csum_verify+0x5e/0x182 [ 3370.162078] [] ext4_read_inode_bitmap+0x41f/0xa37 [ 3370.178377] [] __ext4_new_inode+0x135f/0x34f9 [ 3370.194938] [] ? ext4_free_inode+0xa8e/0xa8e [ 3370.211766] [] ? ubsan_epilogue+0x26/0x53 [ 3370.227872] [] ? arch_local_irq_restore+0x6/0xd [ 3370.244877] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3370.264207] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3370.284181] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3370.303352] [] ext4_symlink+0x515/0xb42 [ 3370.318772] [] ? ext4_orphan_del+0x68c/0x68c [ 3370.332795] [] ? __inode_permission+0x261/0x270 [ 3370.350293] [] ? security_inode_symlink+0xd8/0xe7 [ 3370.371667] [] vfs_symlink+0x106/0x137 [ 3370.389256] [] ? SYSC_symlinkat+0x1af/0x218 [ 3370.407385] [] SYSC_symlinkat+0x1c2/0x218 [ 3370.425237] [] ? do_unlinkat+0x41a/0x41a [ 3370.443935] [] SyS_symlink+0x28/0x2c [ 3370.459153] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3370.479574] ================================================================================ [ 3370.503156] ================================================================================ [ 3370.526782] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1771:1 [ 3370.540626] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3370.569053] which requires 64 byte alignment [ 3370.582858] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3370.602236] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3370.628102] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7940 ffffffffb26ec5cc [ 3370.651502] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3370.675362] ffff880000000010 ffff8800a2ea7968 ffff8800a2ea7918 ffffffffb363c3e0 [ 3370.696077] Call Trace: [ 3370.703896] [] dump_stack+0xd7/0x132 [ 3370.717170] [] ? arch_local_irq_restore+0x1b/0x1b [ 3370.735992] [] ubsan_epilogue+0x12/0x53 [ 3370.750881] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3370.769926] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3370.791840] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3370.811308] [] ext4_has_metadata_csum+0x5c/0x1a0 [ 3370.832413] [] ext4_inode_bitmap_csum_verify+0x5e/0x182 [ 3370.850431] [] ext4_read_inode_bitmap+0x41f/0xa37 [ 3370.868119] [] __ext4_new_inode+0x135f/0x34f9 [ 3370.884079] [] ? ext4_free_inode+0xa8e/0xa8e [ 3370.899895] [] ? ubsan_epilogue+0x26/0x53 [ 3370.918894] [] ? arch_local_irq_restore+0x6/0xd [ 3370.936183] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3370.958443] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3370.978993] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3370.997606] [] ext4_symlink+0x515/0xb42 [ 3371.011635] [] ? ext4_orphan_del+0x68c/0x68c [ 3371.030025] [] ? __inode_permission+0x261/0x270 [ 3371.047014] [] ? security_inode_symlink+0xd8/0xe7 [ 3371.065122] [] vfs_symlink+0x106/0x137 [ 3371.081015] [] ? SYSC_symlinkat+0x1af/0x218 [ 3371.096406] [] SYSC_symlinkat+0x1c2/0x218 [ 3371.111617] [] ? do_unlinkat+0x41a/0x41a [ 3371.128520] [] SyS_symlink+0x28/0x2c [ 3371.147277] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3371.168335] ================================================================================ [ 3371.193227] ================================================================================ [ 3371.219069] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3371.239245] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3371.264548] which requires 64 byte alignment [ 3371.276954] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3371.295616] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3371.325957] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7940 ffffffffb26ec5cc [ 3371.347557] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3371.368287] ffff880000000010 ffff8800a2ea7968 ffff8800a2ea7918 ffffffffb363c3e0 [ 3371.388370] Call Trace: [ 3371.395563] [] dump_stack+0xd7/0x132 [ 3371.409477] [] ? arch_local_irq_restore+0x1b/0x1b [ 3371.427988] [] ubsan_epilogue+0x12/0x53 [ 3371.444766] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3371.464330] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3371.485730] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3371.505640] [] ext4_has_metadata_csum+0xb7/0x1a0 [ 3371.523668] [] ext4_inode_bitmap_csum_verify+0x5e/0x182 [ 3371.541053] [] ext4_read_inode_bitmap+0x41f/0xa37 [ 3371.557377] [] __ext4_new_inode+0x135f/0x34f9 [ 3371.573688] [] ? ext4_free_inode+0xa8e/0xa8e [ 3371.590241] [] ? ubsan_epilogue+0x26/0x53 [ 3371.605357] [] ? arch_local_irq_restore+0x6/0xd [ 3371.624268] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3371.643222] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3371.661252] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3371.679222] [] ext4_symlink+0x515/0xb42 [ 3371.692502] [] ? ext4_orphan_del+0x68c/0x68c [ 3371.710220] [] ? __inode_permission+0x261/0x270 [ 3371.729527] [] ? security_inode_symlink+0xd8/0xe7 [ 3371.747633] [] vfs_symlink+0x106/0x137 [ 3371.761025] [] ? SYSC_symlinkat+0x1af/0x218 [ 3371.777055] [] SYSC_symlinkat+0x1c2/0x218 [ 3371.797373] [] ? do_unlinkat+0x41a/0x41a [ 3371.812531] [] SyS_symlink+0x28/0x2c [ 3371.828263] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3371.846427] ================================================================================ [ 3371.870610] ================================================================================ [ 3371.898706] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2748:2 [ 3371.918295] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3371.942704] which requires 64 byte alignment [ 3371.953009] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3371.972663] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3372.002210] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7940 ffffffffb26ec5cc [ 3372.020292] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3372.043080] ffff880000000010 ffff8800a2ea7968 ffff8800a2ea7918 ffffffffb363c3e0 [ 3372.065638] Call Trace: [ 3372.073031] [] dump_stack+0xd7/0x132 [ 3372.085882] [] ? arch_local_irq_restore+0x1b/0x1b [ 3372.104356] [] ubsan_epilogue+0x12/0x53 [ 3372.118984] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3372.136471] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3372.159149] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3372.179630] [] ext4_has_metadata_csum+0xd1/0x1a0 [ 3372.196846] [] ext4_inode_bitmap_csum_verify+0x5e/0x182 [ 3372.218666] [] ext4_read_inode_bitmap+0x41f/0xa37 [ 3372.240492] [] __ext4_new_inode+0x135f/0x34f9 [ 3372.254422] [] ? ext4_free_inode+0xa8e/0xa8e [ 3372.271786] [] ? ubsan_epilogue+0x26/0x53 [ 3372.289368] [] ? arch_local_irq_restore+0x6/0xd [ 3372.306407] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3372.325168] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3372.343722] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3372.365658] [] ext4_symlink+0x515/0xb42 [ 3372.380164] [] ? ext4_orphan_del+0x68c/0x68c [ 3372.396359] [] ? __inode_permission+0x261/0x270 [ 3372.412356] [] ? security_inode_symlink+0xd8/0xe7 [ 3372.429802] [] vfs_symlink+0x106/0x137 [ 3372.446683] [] ? SYSC_symlinkat+0x1af/0x218 [ 3372.460708] [] SYSC_symlinkat+0x1c2/0x218 [ 3372.476065] [] ? do_unlinkat+0x41a/0x41a [ 3372.490609] [] SyS_symlink+0x28/0x2c [ 3372.504280] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3372.521275] ================================================================================ [ 3372.543335] ================================================================================ [ 3372.567541] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3372.584229] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3372.610292] which requires 64 byte alignment [ 3372.623757] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3372.642921] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3372.670559] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7940 ffffffffb26ec5cc [ 3372.693483] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3372.715008] ffff880000000010 ffff8800a2ea7968 ffff8800a2ea7918 ffffffffb363c3e0 [ 3372.733901] Call Trace: [ 3372.742920] [] dump_stack+0xd7/0x132 [ 3372.757684] [] ? arch_local_irq_restore+0x1b/0x1b [ 3372.778294] [] ubsan_epilogue+0x12/0x53 [ 3372.795180] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3372.813097] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3372.834694] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3372.855360] [] ext4_has_metadata_csum+0x156/0x1a0 [ 3372.874114] [] ext4_inode_bitmap_csum_verify+0x5e/0x182 [ 3372.894487] [] ext4_read_inode_bitmap+0x41f/0xa37 [ 3372.910541] [] __ext4_new_inode+0x135f/0x34f9 [ 3372.928073] [] ? ext4_free_inode+0xa8e/0xa8e [ 3372.946024] [] ? ubsan_epilogue+0x26/0x53 [ 3372.959130] [] ? arch_local_irq_restore+0x6/0xd [ 3372.975204] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3372.993224] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3373.014199] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3373.033524] [] ext4_symlink+0x515/0xb42 [ 3373.051274] [] ? ext4_orphan_del+0x68c/0x68c [ 3373.067751] [] ? __inode_permission+0x261/0x270 [ 3373.087406] [] ? security_inode_symlink+0xd8/0xe7 [ 3373.104938] [] vfs_symlink+0x106/0x137 [ 3373.119428] [] ? SYSC_symlinkat+0x1af/0x218 [ 3373.136389] [] SYSC_symlinkat+0x1c2/0x218 [ 3373.153424] [] ? do_unlinkat+0x41a/0x41a [ 3373.171210] [] SyS_symlink+0x28/0x2c [ 3373.183179] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3373.203507] ================================================================================ [ 3373.231968] ================================================================================ [ 3373.256928] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2751:21 [ 3373.274310] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3373.300004] which requires 64 byte alignment [ 3373.311425] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3373.329216] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3373.353715] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7940 ffffffffb26ec5cc [ 3373.376893] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3373.398746] ffff880000000010 ffff8800a2ea7968 ffff8800a2ea7918 ffffffffb363c3e0 [ 3373.417711] Call Trace: [ 3373.428141] [] dump_stack+0xd7/0x132 [ 3373.442507] [] ? arch_local_irq_restore+0x1b/0x1b [ 3373.459463] [] ubsan_epilogue+0x12/0x53 [ 3373.477439] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3373.495950] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3373.517051] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3373.538075] [] ext4_has_metadata_csum+0x17e/0x1a0 [ 3373.554489] [] ext4_inode_bitmap_csum_verify+0x5e/0x182 [ 3373.572633] [] ext4_read_inode_bitmap+0x41f/0xa37 [ 3373.589943] [] __ext4_new_inode+0x135f/0x34f9 [ 3373.605156] [] ? ext4_free_inode+0xa8e/0xa8e [ 3373.624253] [] ? ubsan_epilogue+0x26/0x53 [ 3373.640530] [] ? arch_local_irq_restore+0x6/0xd [ 3373.655441] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3373.673373] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3373.694058] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3373.714082] [] ext4_symlink+0x515/0xb42 [ 3373.732657] [] ? ext4_orphan_del+0x68c/0x68c [ 3373.750000] [] ? __inode_permission+0x261/0x270 [ 3373.770112] [] ? security_inode_symlink+0xd8/0xe7 [ 3373.786964] [] vfs_symlink+0x106/0x137 [ 3373.804628] [] ? SYSC_symlinkat+0x1af/0x218 [ 3373.817509] [] SYSC_symlinkat+0x1c2/0x218 [ 3373.833533] [] ? do_unlinkat+0x41a/0x41a [ 3373.851751] [] SyS_symlink+0x28/0x2c [ 3373.865200] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3373.883571] ================================================================================ [ 3373.906589] ================================================================================ [ 3373.959915] UBSAN: Undefined behaviour in fs/ext4/bitmap.c:30:15 [ 3373.995141] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3374.043128] which requires 64 byte alignment [ 3374.074919] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3374.111508] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3374.171373] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7970 ffffffffb26ec5cc [ 3374.214373] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3374.253508] 0000000000000010 ffff8800a2ea7998 ffff8800a2ea7948 ffffffffb363c3e0 [ 3374.293064] Call Trace: [ 3374.308893] [] dump_stack+0xd7/0x132 [ 3374.336717] [] ? arch_local_irq_restore+0x1b/0x1b [ 3374.373183] [] ubsan_epilogue+0x12/0x53 [ 3374.408178] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3374.444556] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3374.481561] [] ext4_inode_bitmap_csum_verify+0xd5/0x182 [ 3374.518970] [] ext4_read_inode_bitmap+0x41f/0xa37 [ 3374.557962] [] __ext4_new_inode+0x135f/0x34f9 [ 3374.587749] [] ? ext4_free_inode+0xa8e/0xa8e [ 3374.623179] [] ? ubsan_epilogue+0x26/0x53 [ 3374.658600] [] ? arch_local_irq_restore+0x6/0xd [ 3374.694229] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3374.734257] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3374.772583] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3374.813444] [] ext4_symlink+0x515/0xb42 [ 3374.853085] [] ? ext4_orphan_del+0x68c/0x68c [ 3374.884030] [] ? __inode_permission+0x261/0x270 [ 3374.914331] [] ? security_inode_symlink+0xd8/0xe7 [ 3374.948324] [] vfs_symlink+0x106/0x137 [ 3374.976332] [] ? SYSC_symlinkat+0x1af/0x218 [ 3375.008752] [] SYSC_symlinkat+0x1c2/0x218 [ 3375.032286] [] ? do_unlinkat+0x41a/0x41a [ 3375.072505] [] SyS_symlink+0x28/0x2c [ 3375.096389] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3375.130879] ================================================================================ [ 3375.177685] ================================================================================ [ 3375.228849] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2041:2 [ 3375.263680] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3375.310628] which requires 64 byte alignment [ 3375.334232] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3375.368342] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3375.430547] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea78c8 ffffffffb26ec5cc [ 3375.474380] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3375.514813] 0000000000000010 ffff8800a2ea78f0 ffff8800a2ea78a0 ffffffffb363c3e0 [ 3375.552440] Call Trace: [ 3375.570739] [] dump_stack+0xd7/0x132 [ 3375.598393] [] ? arch_local_irq_restore+0x1b/0x1b [ 3375.639934] [] ubsan_epilogue+0x12/0x53 [ 3375.670242] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3375.710113] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3375.754132] [] ? arch_local_irq_restore+0x6/0xd [ 3375.786897] [] ext4_chksum+0x95/0x17a [ 3375.821676] [] ? ext4_has_metadata_csum+0x1a0/0x1a0 [ 3375.858333] [] ext4_inode_bitmap_csum_verify+0xf5/0x182 [ 3375.904683] [] ext4_read_inode_bitmap+0x41f/0xa37 [ 3375.936584] [] __ext4_new_inode+0x135f/0x34f9 [ 3375.964117] [] ? ext4_free_inode+0xa8e/0xa8e [ 3376.003429] [] ? ubsan_epilogue+0x26/0x53 [ 3376.032232] [] ? arch_local_irq_restore+0x6/0xd [ 3376.063076] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3376.105547] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3376.143483] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3376.185118] [] ext4_symlink+0x515/0xb42 [ 3376.216342] [] ? ext4_orphan_del+0x68c/0x68c [ 3376.249422] [] ? __inode_permission+0x261/0x270 [ 3376.284563] [] ? security_inode_symlink+0xd8/0xe7 [ 3376.318363] [] vfs_symlink+0x106/0x137 [ 3376.349338] [] ? SYSC_symlinkat+0x1af/0x218 [ 3376.383080] [] SYSC_symlinkat+0x1c2/0x218 [ 3376.418365] [] ? do_unlinkat+0x41a/0x41a [ 3376.452797] [] SyS_symlink+0x28/0x2c [ 3376.481668] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3376.515979] ================================================================================ [ 3376.559879] ================================================================================ [ 3376.603700] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2043:22 [ 3376.632898] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3376.699631] which requires 64 byte alignment [ 3376.719479] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3376.758253] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3376.813236] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea78c8 ffffffffb26ec5cc [ 3376.858414] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3376.904911] ffffffff00000010 ffff8800a2ea78f0 ffff8800a2ea78a0 ffffffffb363c3e0 [ 3376.950792] Call Trace: [ 3376.964302] [] dump_stack+0xd7/0x132 [ 3376.992647] [] ? arch_local_irq_restore+0x1b/0x1b [ 3377.032926] [] ubsan_epilogue+0x12/0x53 [ 3377.066620] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3377.105410] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3377.154299] [] ? arch_local_irq_restore+0x6/0xd [ 3377.183868] [] ext4_chksum+0xff/0x17a [ 3377.214983] [] ? ext4_has_metadata_csum+0x1a0/0x1a0 [ 3377.247227] [] ext4_inode_bitmap_csum_verify+0xf5/0x182 [ 3377.285716] [] ext4_read_inode_bitmap+0x41f/0xa37 [ 3377.323689] [] __ext4_new_inode+0x135f/0x34f9 [ 3377.358016] [] ? ext4_free_inode+0xa8e/0xa8e [ 3377.384529] [] ? ubsan_epilogue+0x26/0x53 [ 3377.424650] [] ? arch_local_irq_restore+0x6/0xd [ 3377.465124] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3377.501696] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3377.546772] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3377.590821] [] ext4_symlink+0x515/0xb42 [ 3377.618162] [] ? ext4_orphan_del+0x68c/0x68c [ 3377.651933] [] ? __inode_permission+0x261/0x270 [ 3377.693135] [] ? security_inode_symlink+0xd8/0xe7 [ 3377.729004] [] vfs_symlink+0x106/0x137 [ 3377.754297] [] ? SYSC_symlinkat+0x1af/0x218 [ 3377.796055] [] SYSC_symlinkat+0x1c2/0x218 [ 3377.824257] [] ? do_unlinkat+0x41a/0x41a [ 3377.854547] [] SyS_symlink+0x28/0x2c [ 3377.888288] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3377.927823] ================================================================================ [ 3377.974966] ================================================================================ [ 3378.014429] UBSAN: Undefined behaviour in fs/ext4/bitmap.c:31:9 [ 3378.053417] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3378.104366] which requires 64 byte alignment [ 3378.135492] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3378.170987] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3378.228760] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7970 ffffffffb26ec5cc [ 3378.275568] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3378.310985] ffff880000000010 ffff8800a2ea7998 ffff8800a2ea7948 ffffffffb363c3e0 [ 3378.349865] Call Trace: [ 3378.366968] [] dump_stack+0xd7/0x132 [ 3378.397821] [] ? arch_local_irq_restore+0x1b/0x1b [ 3378.436267] [] ubsan_epilogue+0x12/0x53 [ 3378.462690] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3378.506372] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3378.540679] [] ext4_inode_bitmap_csum_verify+0x111/0x182 [ 3378.576938] [] ext4_read_inode_bitmap+0x41f/0xa37 [ 3378.608722] [] __ext4_new_inode+0x135f/0x34f9 [ 3378.644938] [] ? ext4_free_inode+0xa8e/0xa8e [ 3378.674081] [] ? ubsan_epilogue+0x26/0x53 [ 3378.703259] [] ? arch_local_irq_restore+0x6/0xd [ 3378.744058] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3378.786424] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3378.824861] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3378.856170] [] ext4_symlink+0x515/0xb42 [ 3378.894014] [] ? ext4_orphan_del+0x68c/0x68c [ 3378.927827] [] ? __inode_permission+0x261/0x270 [ 3378.968866] [] ? security_inode_symlink+0xd8/0xe7 [ 3379.002784] [] vfs_symlink+0x106/0x137 [ 3379.035878] [] ? SYSC_symlinkat+0x1af/0x218 [ 3379.078158] [] SYSC_symlinkat+0x1c2/0x218 [ 3379.115013] [] ? do_unlinkat+0x41a/0x41a [ 3379.145826] [] SyS_symlink+0x28/0x2c [ 3379.179082] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3379.220463] ================================================================================ [ 3379.274159] ================================================================================ [ 3379.343614] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3379.381593] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3379.427508] which requires 64 byte alignment [ 3379.454135] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3379.485691] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3379.550173] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3379.595561] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3379.658184] ffff880000000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3379.707319] Call Trace: [ 3379.721380] [] dump_stack+0xd7/0x132 [ 3379.759053] [] ? arch_local_irq_restore+0x1b/0x1b [ 3379.918560] [] ubsan_epilogue+0x12/0x53 [ 3379.937500] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3379.961050] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3379.984194] [] ? ext4_read_inode_bitmap+0xa25/0xa37 [ 3380.005925] [] __ext4_new_inode+0x1767/0x34f9 [ 3380.024467] [] ? ext4_free_inode+0xa8e/0xa8e [ 3380.046273] [] ? ubsan_epilogue+0x26/0x53 [ 3380.084268] [] ? arch_local_irq_restore+0x6/0xd [ 3380.170144] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3380.264044] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3380.304408] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3380.358446] [] ext4_symlink+0x515/0xb42 [ 3380.396425] [] ? ext4_orphan_del+0x68c/0x68c [ 3380.431452] [] ? __inode_permission+0x261/0x270 [ 3380.478885] [] ? security_inode_symlink+0xd8/0xe7 [ 3380.521531] [] vfs_symlink+0x106/0x137 [ 3380.557152] [] ? SYSC_symlinkat+0x1af/0x218 [ 3380.586948] [] SYSC_symlinkat+0x1c2/0x218 [ 3380.631240] [] ? do_unlinkat+0x41a/0x41a [ 3380.661485] [] SyS_symlink+0x28/0x2c [ 3380.691460] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3380.738050] ================================================================================ [ 3380.778582] ================================================================================ [ 3380.822315] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:880:9 [ 3380.859109] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3380.919522] which requires 64 byte alignment [ 3380.947662] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3380.990183] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3381.061598] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3381.132624] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3381.351185] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3381.530427] Call Trace: [ 3381.539338] [] dump_stack+0xd7/0x132 [ 3381.588110] [] ? arch_local_irq_restore+0x1b/0x1b [ 3381.668156] [] ubsan_epilogue+0x12/0x53 [ 3381.752228] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3381.830491] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3381.887862] [] ? ext4_read_inode_bitmap+0xa25/0xa37 [ 3381.940862] [] __ext4_new_inode+0x177b/0x34f9 [ 3381.987881] [] ? ext4_free_inode+0xa8e/0xa8e [ 3382.028869] [] ? ubsan_epilogue+0x26/0x53 [ 3382.077652] [] ? arch_local_irq_restore+0x6/0xd [ 3382.124569] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3382.183039] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3382.234724] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3382.281117] [] ext4_symlink+0x515/0xb42 [ 3382.316956] [] ? ext4_orphan_del+0x68c/0x68c [ 3382.352245] [] ? __inode_permission+0x261/0x270 [ 3382.533457] [] ? security_inode_symlink+0xd8/0xe7 [ 3382.568106] [] vfs_symlink+0x106/0x137 [ 3382.606278] [] ? SYSC_symlinkat+0x1af/0x218 [ 3382.647528] [] SYSC_symlinkat+0x1c2/0x218 [ 3382.686042] [] ? do_unlinkat+0x41a/0x41a [ 3382.727407] [] SyS_symlink+0x28/0x2c [ 3382.764301] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3382.816568] ================================================================================ [ 3382.864783] ================================================================================ [ 3382.917223] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3382.950508] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3383.007988] which requires 64 byte alignment [ 3383.047593] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3383.095721] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3383.155417] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3383.212507] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3383.269460] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3383.316278] Call Trace: [ 3383.331344] [] dump_stack+0xd7/0x132 [ 3383.374693] [] ? arch_local_irq_restore+0x1b/0x1b [ 3383.414406] [] ubsan_epilogue+0x12/0x53 [ 3383.447967] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3383.492898] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3383.543901] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3383.593151] [] __ext4_new_inode+0x17a7/0x34f9 [ 3383.645910] [] ? ext4_free_inode+0xa8e/0xa8e [ 3383.699359] [] ? ubsan_epilogue+0x26/0x53 [ 3383.739649] [] ? arch_local_irq_restore+0x6/0xd [ 3383.778221] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3383.817173] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3383.871039] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3383.911435] [] ext4_symlink+0x515/0xb42 [ 3383.957051] [] ? ext4_orphan_del+0x68c/0x68c [ 3383.998495] [] ? __inode_permission+0x261/0x270 [ 3384.035759] [] ? security_inode_symlink+0xd8/0xe7 [ 3384.077698] [] vfs_symlink+0x106/0x137 [ 3384.124417] [] ? SYSC_symlinkat+0x1af/0x218 [ 3384.177613] [] SYSC_symlinkat+0x1c2/0x218 [ 3384.225893] [] ? do_unlinkat+0x41a/0x41a [ 3384.315119] [] SyS_symlink+0x28/0x2c [ 3384.392333] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3384.442080] ================================================================================ [ 3384.498237] ================================================================================ [ 3384.545995] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:883:14 [ 3384.589357] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3384.666679] which requires 64 byte alignment [ 3384.706122] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3384.748334] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3384.817388] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3384.870582] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3384.924214] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3384.973682] Call Trace: [ 3384.989846] [] dump_stack+0xd7/0x132 [ 3385.019184] [] ? arch_local_irq_restore+0x1b/0x1b [ 3385.064547] [] ubsan_epilogue+0x12/0x53 [ 3385.100749] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3385.145358] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3385.196274] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3385.239760] [] __ext4_new_inode+0x17bb/0x34f9 [ 3385.274838] [] ? ext4_free_inode+0xa8e/0xa8e [ 3385.317242] [] ? ubsan_epilogue+0x26/0x53 [ 3385.348750] [] ? arch_local_irq_restore+0x6/0xd [ 3385.393942] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3385.434648] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3385.480434] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3385.518743] [] ext4_symlink+0x515/0xb42 [ 3385.563334] [] ? ext4_orphan_del+0x68c/0x68c [ 3385.598131] [] ? __inode_permission+0x261/0x270 [ 3385.635217] [] ? security_inode_symlink+0xd8/0xe7 [ 3385.683320] [] vfs_symlink+0x106/0x137 [ 3385.721990] [] ? SYSC_symlinkat+0x1af/0x218 [ 3385.770356] [] SYSC_symlinkat+0x1c2/0x218 [ 3385.805858] [] ? do_unlinkat+0x41a/0x41a [ 3385.839798] [] SyS_symlink+0x28/0x2c [ 3385.881322] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3385.923958] ================================================================================ [ 3385.986227] ================================================================================ [ 3386.045150] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3386.084353] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3386.142106] which requires 64 byte alignment [ 3386.172464] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3386.223800] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3386.296687] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3386.340562] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3386.394345] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3386.437271] Call Trace: [ 3386.457894] [] dump_stack+0xd7/0x132 [ 3386.483855] [] ? arch_local_irq_restore+0x1b/0x1b [ 3386.535005] [] ubsan_epilogue+0x12/0x53 [ 3386.570735] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3386.618379] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3386.665718] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3386.702333] [] __ext4_new_inode+0x186b/0x34f9 [ 3386.735615] [] ? ext4_free_inode+0xa8e/0xa8e [ 3386.767226] [] ? ubsan_epilogue+0x26/0x53 [ 3386.802421] [] ? arch_local_irq_restore+0x6/0xd [ 3386.838236] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3386.887438] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3386.927463] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3386.974543] [] ext4_symlink+0x515/0xb42 [ 3387.003917] [] ? ext4_orphan_del+0x68c/0x68c [ 3387.037916] [] ? __inode_permission+0x261/0x270 [ 3387.073018] [] ? security_inode_symlink+0xd8/0xe7 [ 3387.103424] [] vfs_symlink+0x106/0x137 [ 3387.136250] [] ? SYSC_symlinkat+0x1af/0x218 [ 3387.171176] [] SYSC_symlinkat+0x1c2/0x218 [ 3387.204562] [] ? do_unlinkat+0x41a/0x41a [ 3387.242932] [] SyS_symlink+0x28/0x2c [ 3387.283585] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3387.316445] ================================================================================ [ 3387.375623] ================================================================================ [ 3387.424580] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:890:19 [ 3387.470050] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3387.518592] which requires 64 byte alignment [ 3387.549448] CPU: 3 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3387.592677] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3387.655009] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3387.696462] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3387.747311] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3387.797817] Call Trace: [ 3387.803990] [] dump_stack+0xd7/0x132 [ 3387.828484] [] ? arch_local_irq_restore+0x1b/0x1b [ 3387.874533] [] ubsan_epilogue+0x12/0x53 [ 3387.905078] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3387.958374] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3388.000686] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3388.041089] [] __ext4_new_inode+0x187f/0x34f9 [ 3388.079245] [] ? ext4_free_inode+0xa8e/0xa8e [ 3388.112530] [] ? ubsan_epilogue+0x26/0x53 [ 3388.147928] [] ? arch_local_irq_restore+0x6/0xd [ 3388.191960] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3388.228868] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3388.278795] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3388.327749] [] ext4_symlink+0x515/0xb42 [ 3388.356083] [] ? ext4_orphan_del+0x68c/0x68c [ 3388.388623] [] ? __inode_permission+0x261/0x270 [ 3388.429886] [] ? security_inode_symlink+0xd8/0xe7 [ 3388.466035] [] vfs_symlink+0x106/0x137 [ 3388.500666] [] ? SYSC_symlinkat+0x1af/0x218 [ 3388.535434] [] SYSC_symlinkat+0x1c2/0x218 [ 3388.573367] [] ? do_unlinkat+0x41a/0x41a [ 3388.628064] [] SyS_symlink+0x28/0x2c [ 3388.660269] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3388.704361] ================================================================================ [ 3388.765633] ================================================================================ [ 3388.814461] UBSAN: Undefined behaviour in fs/fs-writeback.c:1163:17 [ 3388.846327] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3388.897350] which requires 64 byte alignment [ 3388.940405] CPU: 0 PID: 467 Comm: kworker/u9:0 Tainted: G L 4.8.11 #1 [ 3388.983684] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3389.038525] Workqueue: writeback wb_workfn (flush-8:0) [ 3389.067618] 00000000ffffffff 00000000115c5582 ffff88005984f7a8 ffffffffb26ec5cc [ 3389.121800] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3389.171152] ffff880000000010 ffff88005984f7d0 ffff88005984f780 ffffffffb363c3e0 [ 3389.213799] Call Trace: [ 3389.220214] [] dump_stack+0xd7/0x132 [ 3389.256889] [] ? arch_local_irq_restore+0x1b/0x1b [ 3389.295416] [] ubsan_epilogue+0x12/0x53 [ 3389.326773] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3389.371330] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3389.418428] [] ? root_tag_get+0x5b/0x6c [ 3389.444803] [] __writeback_single_inode+0x42e/0x8d6 [ 3389.489777] [] writeback_sb_inodes+0x623/0xc39 [ 3389.519431] [] ? redirty_tail+0x13c/0x13c [ 3389.554367] [] ? wbc_detach_inode+0x521/0x521 [ 3389.585440] [] ? queue_io+0x323/0x3e9 [ 3389.616408] [] __writeback_inodes_wb+0x10a/0x1aa [ 3389.660373] [] wb_writeback+0x400/0x7d0 [ 3389.694324] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 3389.726789] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3389.778940] [] ? get_nr_inodes_unused+0x105/0x11c [ 3389.820216] [] wb_workfn+0x6de/0x936 [ 3389.851873] [] ? wb_workfn+0x6de/0x936 [ 3389.898631] [] ? inode_wait_for_writeback+0x39/0x39 [ 3389.934919] [] ? wq_nice_show+0xab/0xab [ 3389.966838] [] ? get_work_pwq+0x58/0x58 [ 3390.003175] [] process_one_work+0x54a/0x88e [ 3390.039258] [] ? create_worker+0x528/0x528 [ 3390.073367] [] ? worker_clr_flags+0x187/0x193 [ 3390.114178] [] worker_thread+0x67c/0x857 [ 3390.146800] [] kthread+0x1f7/0x20b [ 3390.177587] [] ? rescuer_thread+0x91f/0x91f [ 3390.214607] [] ? init_completion+0x48/0x48 [ 3390.246863] [] ret_from_fork+0x1f/0x40 [ 3390.273179] [] ? init_completion+0x48/0x48 [ 3390.319482] ================================================================================ [ 3390.366795] ================================================================================ [ 3390.415980] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3390.448646] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3390.508802] which requires 64 byte alignment [ 3390.534790] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3390.572520] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3390.639067] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79c8 ffffffffb26ec5cc [ 3390.680402] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3390.738570] ffff880000000010 ffff8800a2ea79f0 ffff8800a2ea79a0 ffffffffb363c3e0 [ 3390.792669] Call Trace: [ 3390.807109] [] dump_stack+0xd7/0x132 [ 3390.836735] [] ? arch_local_irq_restore+0x1b/0x1b [ 3390.878417] [] ubsan_epilogue+0x12/0x53 [ 3390.905507] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3390.948195] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3390.999722] [] ? jbd2_journal_put_journal_head+0x4b1/0x4bc [ 3391.037966] [] ext4_has_group_desc_csum+0x2d/0xfc [ 3391.078021] [] __ext4_new_inode+0x1da9/0x34f9 [ 3391.112623] [] ? ext4_free_inode+0xa8e/0xa8e [ 3391.153076] [] ? ubsan_epilogue+0x26/0x53 [ 3391.187365] [] ? arch_local_irq_restore+0x6/0xd [ 3391.217345] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3391.270546] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3391.317866] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3391.356672] [] ext4_symlink+0x515/0xb42 [ 3391.393874] [] ? ext4_orphan_del+0x68c/0x68c [ 3391.439329] [] ? __inode_permission+0x261/0x270 [ 3391.477012] [] ? security_inode_symlink+0xd8/0xe7 [ 3391.509770] [] vfs_symlink+0x106/0x137 [ 3391.544755] [] ? SYSC_symlinkat+0x1af/0x218 [ 3391.591466] [] SYSC_symlinkat+0x1c2/0x218 [ 3391.619150] [] ? do_unlinkat+0x41a/0x41a [ 3391.658758] [] SyS_symlink+0x28/0x2c [ 3391.689880] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3391.727846] ================================================================================ [ 3391.785462] ================================================================================ [ 3391.828844] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1766:1 [ 3391.873825] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3391.930701] which requires 64 byte alignment [ 3391.954377] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3391.995343] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3392.049664] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79c8 ffffffffb26ec5cc [ 3392.093762] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3392.154047] ffffffff00000010 ffff8800a2ea79f0 ffff8800a2ea79a0 ffffffffb363c3e0 [ 3392.189877] Call Trace: [ 3392.206753] [] dump_stack+0xd7/0x132 [ 3392.239973] [] ? arch_local_irq_restore+0x1b/0x1b [ 3392.279139] [] ubsan_epilogue+0x12/0x53 [ 3392.315357] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3392.347360] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3392.386742] [] ? jbd2_journal_put_journal_head+0x4b1/0x4bc [ 3392.425631] [] ext4_has_group_desc_csum+0x5b/0xfc [ 3392.464271] [] __ext4_new_inode+0x1da9/0x34f9 [ 3392.500593] [] ? ext4_free_inode+0xa8e/0xa8e [ 3392.535897] [] ? ubsan_epilogue+0x26/0x53 [ 3392.567058] [] ? arch_local_irq_restore+0x6/0xd [ 3392.603734] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3392.645418] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3392.695531] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3392.739476] [] ext4_symlink+0x515/0xb42 [ 3392.770516] [] ? ext4_orphan_del+0x68c/0x68c [ 3392.807291] [] ? __inode_permission+0x261/0x270 [ 3392.843775] [] ? security_inode_symlink+0xd8/0xe7 [ 3392.877176] [] vfs_symlink+0x106/0x137 [ 3392.916738] [] ? SYSC_symlinkat+0x1af/0x218 [ 3392.944157] [] SYSC_symlinkat+0x1c2/0x218 [ 3392.977379] [] ? do_unlinkat+0x41a/0x41a [ 3393.015330] [] SyS_symlink+0x28/0x2c [ 3393.041258] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3393.081039] ================================================================================ [ 3393.126292] ================================================================================ [ 3393.180859] UBSAN: Undefined behaviour in fs/fs-writeback.c:1165:20 [ 3393.222576] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3393.273454] which requires 64 byte alignment [ 3393.308041] CPU: 0 PID: 467 Comm: kworker/u9:0 Tainted: G L 4.8.11 #1 [ 3393.346566] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3393.411417] Workqueue: writeback wb_workfn (flush-8:0) [ 3393.439447] 00000000ffffffff 00000000115c5582 ffff88005984f7a8 ffffffffb26ec5cc [ 3393.481357] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3393.522127] ffff880000000010 ffff88005984f7d0 ffff88005984f780 ffffffffb363c3e0 [ 3393.557889] Call Trace: [ 3393.578394] [] dump_stack+0xd7/0x132 [ 3393.604130] [] ? arch_local_irq_restore+0x1b/0x1b [ 3393.643570] [] ubsan_epilogue+0x12/0x53 [ 3393.666492] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3393.707773] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3393.756112] [] ? root_tag_get+0x5b/0x6c [ 3393.780727] [] __writeback_single_inode+0x506/0x8d6 [ 3393.821731] [] writeback_sb_inodes+0x623/0xc39 [ 3393.860532] [] ? redirty_tail+0x13c/0x13c [ 3393.894523] [] ? wbc_detach_inode+0x521/0x521 [ 3393.924856] [] ? queue_io+0x323/0x3e9 [ 3393.956780] [] __writeback_inodes_wb+0x10a/0x1aa [ 3393.999458] [] wb_writeback+0x400/0x7d0 [ 3394.029630] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 3394.066229] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3394.101880] [] ? get_nr_inodes_unused+0x105/0x11c [ 3394.142446] [] wb_workfn+0x6de/0x936 [ 3394.177579] [] ? wb_workfn+0x6de/0x936 [ 3394.212822] [] ? inode_wait_for_writeback+0x39/0x39 [ 3394.248314] [] ? wq_nice_show+0xab/0xab [ 3394.279041] [] ? get_work_pwq+0x58/0x58 [ 3394.314904] [] process_one_work+0x54a/0x88e [ 3394.342401] [] ? create_worker+0x528/0x528 [ 3394.378853] [] ? worker_clr_flags+0x187/0x193 [ 3394.412831] [] worker_thread+0x67c/0x857 [ 3394.443021] [] kthread+0x1f7/0x20b [ 3394.473431] [] ? rescuer_thread+0x91f/0x91f [ 3394.512094] [] ? init_completion+0x48/0x48 [ 3394.543831] [] ret_from_fork+0x1f/0x40 [ 3394.575463] [] ? init_completion+0x48/0x48 [ 3394.606832] ================================================================================ [ 3394.657179] ================================================================================ [ 3394.698670] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3394.738754] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3394.786926] which requires 64 byte alignment [ 3394.812941] CPU: 0 PID: 467 Comm: kworker/u9:0 Tainted: G L 4.8.11 #1 [ 3394.854790] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3394.907642] Workqueue: writeback wb_workfn (flush-8:0) [ 3394.936059] 00000000ffffffff 00000000115c5582 ffff88005984f708 ffffffffb26ec5cc [ 3394.984225] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3395.030903] ffffffff00000010 ffff88005984f730 ffff88005984f6e0 ffffffffb363c3e0 [ 3395.075612] Call Trace: [ 3395.085563] [] dump_stack+0xd7/0x132 [ 3395.119310] [] ? arch_local_irq_restore+0x1b/0x1b [ 3395.158862] [] ubsan_epilogue+0x12/0x53 [ 3395.181305] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3395.225576] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3395.279908] [] ? arch_local_irq_restore+0x6/0xd [ 3395.321045] [] ext4_write_inode+0x222/0x3ec [ 3395.355487] [] ? ext4_iget_normal+0xac/0xac [ 3395.387445] [] ? root_tag_get+0x5b/0x6c [ 3395.418811] [] __writeback_single_inode+0x540/0x8d6 [ 3395.447625] [] writeback_sb_inodes+0x623/0xc39 [ 3395.494673] [] ? redirty_tail+0x13c/0x13c [ 3395.524464] [] ? wbc_detach_inode+0x521/0x521 [ 3395.564683] [] ? queue_io+0x323/0x3e9 [ 3395.599353] [] __writeback_inodes_wb+0x10a/0x1aa [ 3395.631251] [] wb_writeback+0x400/0x7d0 [ 3395.665060] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 3395.716619] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3395.757433] [] ? get_nr_inodes_unused+0x105/0x11c [ 3395.792519] [] wb_workfn+0x6de/0x936 [ 3395.821409] [] ? wb_workfn+0x6de/0x936 [ 3395.848801] [] ? inode_wait_for_writeback+0x39/0x39 [ 3395.882018] [] ? wq_nice_show+0xab/0xab [ 3395.918699] [] ? get_work_pwq+0x58/0x58 [ 3395.952141] [] process_one_work+0x54a/0x88e [ 3395.989465] [] ? create_worker+0x528/0x528 [ 3396.021211] [] ? worker_clr_flags+0x187/0x193 [ 3396.054953] [] worker_thread+0x67c/0x857 [ 3396.086881] [] kthread+0x1f7/0x20b [ 3396.115573] [] ? rescuer_thread+0x91f/0x91f [ 3396.147704] [] ? init_completion+0x48/0x48 [ 3396.197456] [] ret_from_fork+0x1f/0x40 [ 3396.230068] [] ? init_completion+0x48/0x48 [ 3396.267006] ================================================================================ [ 3396.314695] ================================================================================ [ 3396.370457] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3396.399633] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3396.453958] which requires 64 byte alignment [ 3396.481011] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3396.523315] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3396.573660] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79c8 ffffffffb26ec5cc [ 3396.622079] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3396.666662] ffff880000000010 ffff8800a2ea79f0 ffff8800a2ea79a0 ffffffffb363c3e0 [ 3396.714299] Call Trace: [ 3396.719960] [] dump_stack+0xd7/0x132 [ 3396.754655] [] ? arch_local_irq_restore+0x1b/0x1b [ 3396.793763] [] ubsan_epilogue+0x12/0x53 [ 3396.825923] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3396.867100] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3396.915477] [] ? jbd2_journal_put_journal_head+0x4b1/0x4bc [ 3396.959469] [] ext4_has_group_desc_csum+0xb7/0xfc [ 3396.997178] [] __ext4_new_inode+0x1da9/0x34f9 [ 3397.033212] [] ? ext4_free_inode+0xa8e/0xa8e [ 3397.062434] [] ? ubsan_epilogue+0x26/0x53 [ 3397.091640] [] ? arch_local_irq_restore+0x6/0xd [ 3397.127589] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3397.169541] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3397.216943] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3397.254270] [] ext4_symlink+0x515/0xb42 [ 3397.288336] [] ? ext4_orphan_del+0x68c/0x68c [ 3397.323479] [] ? __inode_permission+0x261/0x270 [ 3397.355204] [] ? security_inode_symlink+0xd8/0xe7 [ 3397.396670] [] vfs_symlink+0x106/0x137 [ 3397.437008] [] ? SYSC_symlinkat+0x1af/0x218 [ 3397.471324] [] SYSC_symlinkat+0x1c2/0x218 [ 3397.506705] [] ? do_unlinkat+0x41a/0x41a [ 3397.536079] [] SyS_symlink+0x28/0x2c [ 3397.567318] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3397.600121] ================================================================================ [ 3397.653357] ================================================================================ [ 3397.698165] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2743:20 [ 3397.731986] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3397.781839] which requires 64 byte alignment [ 3397.814277] CPU: 2 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3397.845682] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3397.904016] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79c8 ffffffffb26ec5cc [ 3397.944669] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3397.982403] ffffffff00000010 ffff8800a2ea79f0 ffff8800a2ea79a0 ffffffffb363c3e0 [ 3398.026049] Call Trace: [ 3398.039888] [] dump_stack+0xd7/0x132 [ 3398.072125] [] ? arch_local_irq_restore+0x1b/0x1b [ 3398.105840] [] ubsan_epilogue+0x12/0x53 [ 3398.137507] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3398.175341] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3398.222155] [] ? jbd2_journal_put_journal_head+0x4b1/0x4bc [ 3398.262582] [] ext4_has_group_desc_csum+0xd0/0xfc [ 3398.298322] [] __ext4_new_inode+0x1da9/0x34f9 [ 3398.341746] [] ? ext4_free_inode+0xa8e/0xa8e [ 3398.377865] [] ? ubsan_epilogue+0x26/0x53 [ 3398.409282] [] ? arch_local_irq_restore+0x6/0xd [ 3398.439731] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3398.476988] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3398.522239] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3398.570997] [] ext4_symlink+0x515/0xb42 [ 3398.597795] [] ? ext4_orphan_del+0x68c/0x68c [ 3398.636454] [] ? __inode_permission+0x261/0x270 [ 3398.668616] [] ? security_inode_symlink+0xd8/0xe7 [ 3398.707010] [] vfs_symlink+0x106/0x137 [ 3398.742349] [] ? SYSC_symlinkat+0x1af/0x218 [ 3398.782914] [] SYSC_symlinkat+0x1c2/0x218 [ 3398.854326] [] ? do_unlinkat+0x41a/0x41a [ 3398.880335] [] SyS_symlink+0x28/0x2c [ 3398.915741] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3398.954630] ================================================================================ [ 3399.011249] ================================================================================ [ 3399.056438] UBSAN: Undefined behaviour in fs/ext4/inode.c:4977:26 [ 3399.095151] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3399.152826] which requires 64 byte alignment [ 3399.175597] CPU: 0 PID: 467 Comm: kworker/u9:0 Tainted: G L 4.8.11 #1 [ 3399.214490] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3399.274184] Workqueue: writeback wb_workfn (flush-8:0) [ 3399.303721] 00000000ffffffff 00000000115c5582 ffff88005984f708 ffffffffb26ec5cc [ 3399.344298] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3399.392211] ffff880000000010 ffff88005984f730 ffff88005984f6e0 ffffffffb363c3e0 [ 3399.441156] Call Trace: [ 3399.451417] [] dump_stack+0xd7/0x132 [ 3399.483005] [] ? arch_local_irq_restore+0x1b/0x1b [ 3399.519279] [] ubsan_epilogue+0x12/0x53 [ 3399.553700] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3399.584597] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3399.628973] [] ? arch_local_irq_restore+0x6/0xd [ 3399.663450] [] ext4_write_inode+0x236/0x3ec [ 3399.698119] [] ? ext4_iget_normal+0xac/0xac [ 3399.725883] [] ? root_tag_get+0x5b/0x6c [ 3399.751854] [] __writeback_single_inode+0x540/0x8d6 [ 3399.797273] [] writeback_sb_inodes+0x623/0xc39 [ 3399.829007] [] ? redirty_tail+0x13c/0x13c [ 3399.862760] [] ? wbc_detach_inode+0x521/0x521 [ 3399.898783] [] ? queue_io+0x323/0x3e9 [ 3399.924458] [] __writeback_inodes_wb+0x10a/0x1aa [ 3399.962488] [] wb_writeback+0x400/0x7d0 [ 3399.993400] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 3400.040389] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3400.072653] [] ? get_nr_inodes_unused+0x105/0x11c [ 3400.112195] [] wb_workfn+0x6de/0x936 [ 3400.136597] [] ? wb_workfn+0x6de/0x936 [ 3400.171246] [] ? inode_wait_for_writeback+0x39/0x39 [ 3400.208594] [] ? wq_nice_show+0xab/0xab [ 3400.242429] [] ? get_work_pwq+0x58/0x58 [ 3400.281288] [] process_one_work+0x54a/0x88e [ 3400.310655] [] ? create_worker+0x528/0x528 [ 3400.343817] [] ? worker_clr_flags+0x187/0x193 [ 3400.377717] [] worker_thread+0x67c/0x857 [ 3400.409614] [] kthread+0x1f7/0x20b [ 3400.443169] [] ? rescuer_thread+0x91f/0x91f [ 3400.471654] [] ? init_completion+0x48/0x48 [ 3400.510291] [] ret_from_fork+0x1f/0x40 [ 3400.548221] [] ? init_completion+0x48/0x48 [ 3400.579623] ================================================================================ [ 3400.626091] ================================================================================ [ 3400.654391] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3400.668186] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3400.694348] which requires 64 byte alignment [ 3400.707356] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3400.724887] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3400.753190] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3400.774734] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3400.796954] ffff880000000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3400.820578] Call Trace: [ 3400.826771] [] dump_stack+0xd7/0x132 [ 3400.841791] [] ? arch_local_irq_restore+0x1b/0x1b [ 3400.860364] [] ubsan_epilogue+0x12/0x53 [ 3400.873554] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3400.894541] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3400.914459] [] __ext4_new_inode+0x2011/0x34f9 [ 3400.931554] [] ? ext4_free_inode+0xa8e/0xa8e [ 3400.948651] [] ? ubsan_epilogue+0x26/0x53 [ 3400.963674] [] ? arch_local_irq_restore+0x6/0xd [ 3400.981589] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3400.997956] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3401.017350] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3401.036760] [] ext4_symlink+0x515/0xb42 [ 3401.054807] [] ? ext4_orphan_del+0x68c/0x68c [ 3401.071518] [] ? __inode_permission+0x261/0x270 [ 3401.088030] [] ? security_inode_symlink+0xd8/0xe7 [ 3401.105938] [] vfs_symlink+0x106/0x137 [ 3401.121644] [] ? SYSC_symlinkat+0x1af/0x218 [ 3401.138418] [] SYSC_symlinkat+0x1c2/0x218 [ 3401.154719] [] ? do_unlinkat+0x41a/0x41a [ 3401.167376] [] SyS_symlink+0x28/0x2c [ 3401.183415] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3401.199970] ================================================================================ [ 3401.224983] ================================================================================ [ 3401.247800] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:990:10 [ 3401.264700] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3401.290956] which requires 64 byte alignment [ 3401.300783] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3401.318128] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3401.342052] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3401.365826] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3401.389033] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3401.409396] Call Trace: [ 3401.416396] [] dump_stack+0xd7/0x132 [ 3401.431854] [] ? arch_local_irq_restore+0x1b/0x1b [ 3401.452246] [] ubsan_epilogue+0x12/0x53 [ 3401.466038] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3401.485150] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3401.505877] [] __ext4_new_inode+0x203e/0x34f9 [ 3401.519093] [] ? ext4_free_inode+0xa8e/0xa8e [ 3401.536765] [] ? ubsan_epilogue+0x26/0x53 [ 3401.556592] [] ? arch_local_irq_restore+0x6/0xd [ 3401.574133] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3401.591586] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3401.613168] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3401.634031] [] ext4_symlink+0x515/0xb42 [ 3401.647844] [] ? ext4_orphan_del+0x68c/0x68c [ 3401.664890] [] ? __inode_permission+0x261/0x270 [ 3401.681607] [] ? security_inode_symlink+0xd8/0xe7 [ 3401.698200] [] vfs_symlink+0x106/0x137 [ 3401.712747] [] ? SYSC_symlinkat+0x1af/0x218 [ 3401.726131] [] SYSC_symlinkat+0x1c2/0x218 [ 3401.741137] [] ? do_unlinkat+0x41a/0x41a [ 3401.755383] [] SyS_symlink+0x28/0x2c [ 3401.772415] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3401.787705] ================================================================================ [ 3401.813053] ================================================================================ [ 3401.837592] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3401.854649] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3401.879570] which requires 64 byte alignment [ 3401.891625] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3401.910474] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3401.937942] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3401.961588] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3401.982019] 0000000000000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3402.004180] Call Trace: [ 3402.009959] [] dump_stack+0xd7/0x132 [ 3402.024434] [] ? arch_local_irq_restore+0x1b/0x1b [ 3402.044556] [] ubsan_epilogue+0x12/0x53 [ 3402.060854] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3402.084354] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3402.109763] [] __ext4_new_inode+0x2122/0x34f9 [ 3402.125703] [] ? ext4_free_inode+0xa8e/0xa8e [ 3402.145281] [] ? ubsan_epilogue+0x26/0x53 [ 3402.159455] [] ? arch_local_irq_restore+0x6/0xd [ 3402.176696] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3402.194809] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3402.214930] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3402.235588] [] ext4_symlink+0x515/0xb42 [ 3402.250170] [] ? ext4_orphan_del+0x68c/0x68c [ 3402.266654] [] ? __inode_permission+0x261/0x270 [ 3402.284128] [] ? security_inode_symlink+0xd8/0xe7 [ 3402.302377] [] vfs_symlink+0x106/0x137 [ 3402.316785] [] ? SYSC_symlinkat+0x1af/0x218 [ 3402.333994] [] SYSC_symlinkat+0x1c2/0x218 [ 3402.347851] [] ? do_unlinkat+0x41a/0x41a [ 3402.364719] [] SyS_symlink+0x28/0x2c [ 3402.380731] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3402.397942] ================================================================================ [ 3402.423081] ================================================================================ [ 3402.450085] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:1003:7 [ 3402.467021] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3402.494229] which requires 64 byte alignment [ 3402.506314] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3402.524152] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3402.556313] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3402.575908] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3402.597324] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3402.620564] Call Trace: [ 3402.626351] [] dump_stack+0xd7/0x132 [ 3402.641046] [] ? arch_local_irq_restore+0x1b/0x1b [ 3402.660741] [] ubsan_epilogue+0x12/0x53 [ 3402.676259] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3402.696202] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3402.715479] [] __ext4_new_inode+0x214f/0x34f9 [ 3402.734988] [] ? ext4_free_inode+0xa8e/0xa8e [ 3402.752724] [] ? ubsan_epilogue+0x26/0x53 [ 3402.766042] [] ? arch_local_irq_restore+0x6/0xd [ 3402.784092] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3402.807779] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3402.830499] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3402.847338] [] ext4_symlink+0x515/0xb42 [ 3402.865215] [] ? ext4_orphan_del+0x68c/0x68c [ 3402.881923] [] ? __inode_permission+0x261/0x270 [ 3402.897336] [] ? security_inode_symlink+0xd8/0xe7 [ 3402.915087] [] vfs_symlink+0x106/0x137 [ 3402.929836] [] ? SYSC_symlinkat+0x1af/0x218 [ 3402.943331] [] SYSC_symlinkat+0x1c2/0x218 [ 3402.958410] [] ? do_unlinkat+0x41a/0x41a [ 3402.974214] [] SyS_symlink+0x28/0x2c [ 3402.987584] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3403.006346] ================================================================================ [ 3403.031665] ================================================================================ [ 3403.055091] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3403.070116] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3403.095317] which requires 64 byte alignment [ 3403.107561] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3403.124285] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3403.153950] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79d0 ffffffffb26ec5cc [ 3403.175206] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3403.196767] fffffbff00000010 ffff8800a2ea79f8 ffff8800a2ea79a8 ffffffffb363c3e0 [ 3403.218053] Call Trace: [ 3403.225713] [] dump_stack+0xd7/0x132 [ 3403.241162] [] ? arch_local_irq_restore+0x1b/0x1b [ 3403.259234] [] ubsan_epilogue+0x12/0x53 [ 3403.276112] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3403.294485] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3403.314373] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3403.332079] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3403.352884] [] ext4_itable_unused_set+0x5d/0xd7 [ 3403.367376] [] __ext4_new_inode+0x216f/0x34f9 [ 3403.386705] [] ? ext4_free_inode+0xa8e/0xa8e [ 3403.405639] [] ? ubsan_epilogue+0x26/0x53 [ 3403.421612] [] ? arch_local_irq_restore+0x6/0xd [ 3403.439908] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3403.460016] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3403.479868] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3403.497754] [] ext4_symlink+0x515/0xb42 [ 3403.513141] [] ? ext4_orphan_del+0x68c/0x68c [ 3403.529179] [] ? __inode_permission+0x261/0x270 [ 3403.546283] [] ? security_inode_symlink+0xd8/0xe7 [ 3403.565530] [] vfs_symlink+0x106/0x137 [ 3403.581964] [] ? SYSC_symlinkat+0x1af/0x218 [ 3403.597320] [] SYSC_symlinkat+0x1c2/0x218 [ 3403.614669] [] ? do_unlinkat+0x41a/0x41a [ 3403.628941] [] SyS_symlink+0x28/0x2c [ 3403.644210] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3403.663333] ================================================================================ [ 3403.685961] ================================================================================ [ 3403.712201] UBSAN: Undefined behaviour in fs/ext4/super.c:312:6 [ 3403.726459] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3403.755026] which requires 64 byte alignment [ 3403.765373] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3403.785482] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3403.811105] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79d0 ffffffffb26ec5cc [ 3403.831507] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3403.851885] ffff880000000010 ffff8800a2ea79f8 ffff8800a2ea79a8 ffffffffb363c3e0 [ 3403.877286] Call Trace: [ 3403.882872] [] dump_stack+0xd7/0x132 [ 3403.897950] [] ? arch_local_irq_restore+0x1b/0x1b [ 3403.920048] [] ubsan_epilogue+0x12/0x53 [ 3403.938132] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3403.956121] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3403.974521] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3403.994424] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3404.015126] [] ext4_itable_unused_set+0x8c/0xd7 [ 3404.034783] [] __ext4_new_inode+0x216f/0x34f9 [ 3404.054615] [] ? ext4_free_inode+0xa8e/0xa8e [ 3404.070360] [] ? ubsan_epilogue+0x26/0x53 [ 3404.085092] [] ? arch_local_irq_restore+0x6/0xd [ 3404.103389] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3404.124666] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3404.146555] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3404.166732] [] ext4_symlink+0x515/0xb42 [ 3404.181803] [] ? ext4_orphan_del+0x68c/0x68c [ 3404.198594] [] ? __inode_permission+0x261/0x270 [ 3404.216081] [] ? security_inode_symlink+0xd8/0xe7 [ 3404.237483] [] vfs_symlink+0x106/0x137 [ 3404.254018] [] ? SYSC_symlinkat+0x1af/0x218 [ 3404.267446] [] SYSC_symlinkat+0x1c2/0x218 [ 3404.283462] [] ? do_unlinkat+0x41a/0x41a [ 3404.297725] [] SyS_symlink+0x28/0x2c [ 3404.315317] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3404.332179] ================================================================================ [ 3404.360110] ================================================================================ [ 3404.384448] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3404.399923] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3404.425715] which requires 64 byte alignment [ 3404.440803] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3404.460074] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3404.489094] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79d0 ffffffffb26ec5cc [ 3404.514796] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3404.540137] ffff880000000010 ffff8800a2ea79f8 ffff8800a2ea79a8 ffffffffb363c3e0 [ 3404.566184] Call Trace: [ 3404.574568] [] dump_stack+0xd7/0x132 [ 3404.593211] [] ? arch_local_irq_restore+0x1b/0x1b [ 3404.612368] [] ubsan_epilogue+0x12/0x53 [ 3404.626308] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3404.646915] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3404.668172] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3404.692217] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3404.712710] [] ext4_free_inodes_set+0x5d/0xd7 [ 3404.731318] [] __ext4_new_inode+0x21b3/0x34f9 [ 3404.749533] [] ? ext4_free_inode+0xa8e/0xa8e [ 3404.767050] [] ? ubsan_epilogue+0x26/0x53 [ 3404.786999] [] ? arch_local_irq_restore+0x6/0xd [ 3404.806665] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3404.829008] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3404.850911] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3404.868230] [] ext4_symlink+0x515/0xb42 [ 3404.884512] [] ? ext4_orphan_del+0x68c/0x68c [ 3404.903075] [] ? __inode_permission+0x261/0x270 [ 3404.920073] [] ? security_inode_symlink+0xd8/0xe7 [ 3404.937245] [] vfs_symlink+0x106/0x137 [ 3404.949140] [] ? SYSC_symlinkat+0x1af/0x218 [ 3404.966012] [] SYSC_symlinkat+0x1c2/0x218 [ 3404.982130] [] ? do_unlinkat+0x41a/0x41a [ 3404.997325] [] SyS_symlink+0x28/0x2c [ 3405.011010] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3405.030331] ================================================================================ [ 3405.051971] ================================================================================ [ 3405.075177] UBSAN: Undefined behaviour in fs/ext4/super.c:296:6 [ 3405.092798] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3405.117172] which requires 64 byte alignment [ 3405.132172] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3405.152862] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3405.177760] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79d0 ffffffffb26ec5cc [ 3405.199516] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3405.219832] ffff880000000010 ffff8800a2ea79f8 ffff8800a2ea79a8 ffffffffb363c3e0 [ 3405.243966] Call Trace: [ 3405.253789] [] dump_stack+0xd7/0x132 [ 3405.267950] [] ? arch_local_irq_restore+0x1b/0x1b [ 3405.284604] [] ubsan_epilogue+0x12/0x53 [ 3405.300659] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3405.317235] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3405.338732] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3405.358829] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3405.379469] [] ext4_free_inodes_set+0x8c/0xd7 [ 3405.396153] [] __ext4_new_inode+0x21b3/0x34f9 [ 3405.414945] [] ? ext4_free_inode+0xa8e/0xa8e [ 3405.431255] [] ? ubsan_epilogue+0x26/0x53 [ 3405.445829] [] ? arch_local_irq_restore+0x6/0xd [ 3405.462595] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3405.480413] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3405.505963] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3405.524737] [] ext4_symlink+0x515/0xb42 [ 3405.540065] [] ? ext4_orphan_del+0x68c/0x68c [ 3405.559799] [] ? __inode_permission+0x261/0x270 [ 3405.575522] [] ? security_inode_symlink+0xd8/0xe7 [ 3405.593070] [] vfs_symlink+0x106/0x137 [ 3405.607137] [] ? SYSC_symlinkat+0x1af/0x218 [ 3405.622776] [] SYSC_symlinkat+0x1c2/0x218 [ 3405.639265] [] ? do_unlinkat+0x41a/0x41a [ 3405.653336] [] SyS_symlink+0x28/0x2c [ 3405.666969] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3405.686439] ================================================================================ [ 3405.713115] ================================================================================ [ 3405.738465] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3405.755571] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3405.783783] which requires 64 byte alignment [ 3405.796370] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3405.818235] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3405.846827] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3405.867251] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3405.890864] 0000000000000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3405.912002] Call Trace: [ 3405.918665] [] dump_stack+0xd7/0x132 [ 3405.935140] [] ? arch_local_irq_restore+0x1b/0x1b [ 3405.952146] [] ubsan_epilogue+0x12/0x53 [ 3405.965714] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3405.985427] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3406.007237] [] __ext4_new_inode+0x22d4/0x34f9 [ 3406.023911] [] ? ext4_free_inode+0xa8e/0xa8e [ 3406.040884] [] ? ubsan_epilogue+0x26/0x53 [ 3406.057327] [] ? arch_local_irq_restore+0x6/0xd [ 3406.073635] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3406.092272] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3406.111757] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3406.130910] [] ext4_symlink+0x515/0xb42 [ 3406.144567] [] ? ext4_orphan_del+0x68c/0x68c [ 3406.162402] [] ? __inode_permission+0x261/0x270 [ 3406.181296] [] ? security_inode_symlink+0xd8/0xe7 [ 3406.197758] [] vfs_symlink+0x106/0x137 [ 3406.214880] [] ? SYSC_symlinkat+0x1af/0x218 [ 3406.231706] [] SYSC_symlinkat+0x1c2/0x218 [ 3406.245595] [] ? do_unlinkat+0x41a/0x41a [ 3406.262938] [] SyS_symlink+0x28/0x2c [ 3406.277458] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3406.295074] ================================================================================ [ 3406.319668] ================================================================================ [ 3406.343217] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:1020:9 [ 3406.361871] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3406.384559] which requires 64 byte alignment [ 3406.398111] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3406.415399] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3406.441700] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3406.464792] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3406.485167] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3406.509807] Call Trace: [ 3406.515110] [] dump_stack+0xd7/0x132 [ 3406.530425] [] ? arch_local_irq_restore+0x1b/0x1b [ 3406.545898] [] ubsan_epilogue+0x12/0x53 [ 3406.564222] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3406.584491] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3406.604675] [] __ext4_new_inode+0x2301/0x34f9 [ 3406.621332] [] ? ext4_free_inode+0xa8e/0xa8e [ 3406.640654] [] ? ubsan_epilogue+0x26/0x53 [ 3406.657764] [] ? arch_local_irq_restore+0x6/0xd [ 3406.673801] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3406.696080] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3406.716239] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3406.736960] [] ext4_symlink+0x515/0xb42 [ 3406.754333] [] ? ext4_orphan_del+0x68c/0x68c [ 3406.771849] [] ? __inode_permission+0x261/0x270 [ 3406.789454] [] ? security_inode_symlink+0xd8/0xe7 [ 3406.805696] [] vfs_symlink+0x106/0x137 [ 3406.824234] [] ? SYSC_symlinkat+0x1af/0x218 [ 3406.840545] [] SYSC_symlinkat+0x1c2/0x218 [ 3406.857420] [] ? do_unlinkat+0x41a/0x41a [ 3406.871267] [] SyS_symlink+0x28/0x2c [ 3406.885460] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3406.905682] ================================================================================ [ 3406.930863] ================================================================================ [ 3406.956761] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3406.976285] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3407.000817] which requires 64 byte alignment [ 3407.014731] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3407.034495] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3407.062185] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79c0 ffffffffb26ec5cc [ 3407.084145] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3407.104472] ffff880000000010 ffff8800a2ea79e8 ffff8800a2ea7998 ffffffffb363c3e0 [ 3407.128957] Call Trace: [ 3407.136946] [] dump_stack+0xd7/0x132 [ 3407.151504] [] ? arch_local_irq_restore+0x1b/0x1b [ 3407.168418] [] ubsan_epilogue+0x12/0x53 [ 3407.183873] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3407.202128] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3407.223216] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3407.243036] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3407.263786] [] ext4_inode_bitmap_csum_set+0x3d/0x15c [ 3407.282173] [] __ext4_new_inode+0x232c/0x34f9 [ 3407.300823] [] ? ext4_free_inode+0xa8e/0xa8e [ 3407.315169] [] ? ubsan_epilogue+0x26/0x53 [ 3407.333364] [] ? arch_local_irq_restore+0x6/0xd [ 3407.347671] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3407.367157] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3407.392755] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3407.415130] [] ext4_symlink+0x515/0xb42 [ 3407.430687] [] ? ext4_orphan_del+0x68c/0x68c [ 3407.447574] [] ? __inode_permission+0x261/0x270 [ 3407.467336] [] ? security_inode_symlink+0xd8/0xe7 [ 3407.486587] [] vfs_symlink+0x106/0x137 [ 3407.501587] [] ? SYSC_symlinkat+0x1af/0x218 [ 3407.521448] [] SYSC_symlinkat+0x1c2/0x218 [ 3407.535687] [] ? do_unlinkat+0x41a/0x41a [ 3407.553696] [] SyS_symlink+0x28/0x2c [ 3407.566229] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3407.584680] ================================================================================ [ 3407.610171] ================================================================================ [ 3407.635070] UBSAN: Undefined behaviour in fs/ext4/bitmap.c:50:9 [ 3407.650680] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3407.674832] which requires 64 byte alignment [ 3407.684941] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3407.703611] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3407.734598] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79c0 ffffffffb26ec5cc [ 3407.756217] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3407.781248] 0000000000000010 ffff8800a2ea79e8 ffff8800a2ea7998 ffffffffb363c3e0 [ 3407.802396] Call Trace: [ 3407.810881] [] dump_stack+0xd7/0x132 [ 3407.824240] [] ? arch_local_irq_restore+0x1b/0x1b [ 3407.844265] [] ubsan_epilogue+0x12/0x53 [ 3407.859755] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3407.879453] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3407.899071] [] ext4_inode_bitmap_csum_set+0xa5/0x15c [ 3407.916545] [] __ext4_new_inode+0x232c/0x34f9 [ 3407.932360] [] ? ext4_free_inode+0xa8e/0xa8e [ 3407.947123] [] ? ubsan_epilogue+0x26/0x53 [ 3407.963729] [] ? arch_local_irq_restore+0x6/0xd [ 3407.981494] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3408.003121] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3408.023273] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3408.044489] [] ext4_symlink+0x515/0xb42 [ 3408.062657] [] ? ext4_orphan_del+0x68c/0x68c [ 3408.080580] [] ? __inode_permission+0x261/0x270 [ 3408.096844] [] ? security_inode_symlink+0xd8/0xe7 [ 3408.115937] [] vfs_symlink+0x106/0x137 [ 3408.129371] [] ? SYSC_symlinkat+0x1af/0x218 [ 3408.148444] [] SYSC_symlinkat+0x1c2/0x218 [ 3408.162667] [] ? do_unlinkat+0x41a/0x41a [ 3408.179415] [] SyS_symlink+0x28/0x2c [ 3408.194194] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3408.210514] ================================================================================ [ 3408.234359] ================================================================================ [ 3408.257497] UBSAN: Undefined behaviour in fs/ext4/bitmap.c:52:9 [ 3408.274746] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3408.301368] which requires 64 byte alignment [ 3408.311993] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3408.329177] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3408.353791] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79c0 ffffffffb26ec5cc [ 3408.373351] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3408.395541] ffff880000000010 ffff8800a2ea79e8 ffff8800a2ea7998 ffffffffb363c3e0 [ 3408.417011] Call Trace: [ 3408.423043] [] dump_stack+0xd7/0x132 [ 3408.438816] [] ? arch_local_irq_restore+0x1b/0x1b [ 3408.457662] [] ubsan_epilogue+0x12/0x53 [ 3408.475601] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3408.494937] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3408.516141] [] ext4_inode_bitmap_csum_set+0x10b/0x15c [ 3408.536441] [] __ext4_new_inode+0x232c/0x34f9 [ 3408.551343] [] ? ext4_free_inode+0xa8e/0xa8e [ 3408.568574] [] ? ubsan_epilogue+0x26/0x53 [ 3408.583696] [] ? arch_local_irq_restore+0x6/0xd [ 3408.600369] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3408.620940] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3408.640252] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3408.659406] [] ext4_symlink+0x515/0xb42 [ 3408.676428] [] ? ext4_orphan_del+0x68c/0x68c [ 3408.692447] [] ? __inode_permission+0x261/0x270 [ 3408.710170] [] ? security_inode_symlink+0xd8/0xe7 [ 3408.726959] [] vfs_symlink+0x106/0x137 [ 3408.742813] [] ? SYSC_symlinkat+0x1af/0x218 [ 3408.760503] [] SYSC_symlinkat+0x1c2/0x218 [ 3408.779029] [] ? do_unlinkat+0x41a/0x41a [ 3408.795435] [] SyS_symlink+0x28/0x2c [ 3408.812155] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3408.831307] ================================================================================ [ 3408.854814] ================================================================================ [ 3408.874157] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:1036:9 [ 3408.892375] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3408.916650] which requires 64 byte alignment [ 3408.930038] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3408.949871] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3408.976644] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3408.999792] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3409.021268] ffff880000000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3409.046802] Call Trace: [ 3409.055171] [] dump_stack+0xd7/0x132 [ 3409.067447] [] ? arch_local_irq_restore+0x1b/0x1b [ 3409.085492] [] ubsan_epilogue+0x12/0x53 [ 3409.101844] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3409.121430] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3409.140830] [] ? __percpu_counter_add+0x180/0x18c [ 3409.158543] [] __ext4_new_inode+0x23f6/0x34f9 [ 3409.175078] [] ? ext4_free_inode+0xa8e/0xa8e [ 3409.189725] [] ? ubsan_epilogue+0x26/0x53 [ 3409.207531] [] ? arch_local_irq_restore+0x6/0xd [ 3409.224647] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3409.244230] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3409.263958] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3409.283255] [] ext4_symlink+0x515/0xb42 [ 3409.300188] [] ? ext4_orphan_del+0x68c/0x68c [ 3409.315185] [] ? __inode_permission+0x261/0x270 [ 3409.333746] [] ? security_inode_symlink+0xd8/0xe7 [ 3409.353310] [] vfs_symlink+0x106/0x137 [ 3409.366529] [] ? SYSC_symlinkat+0x1af/0x218 [ 3409.383433] [] SYSC_symlinkat+0x1c2/0x218 [ 3409.399429] [] ? do_unlinkat+0x41a/0x41a [ 3409.415922] [] SyS_symlink+0x28/0x2c [ 3409.430716] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3409.446053] ================================================================================ [ 3409.472141] ================================================================================ [ 3409.495808] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2836:27 [ 3409.515590] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3409.541545] which requires 64 byte alignment [ 3409.555131] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3409.573380] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3409.600777] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79d8 ffffffffb26ec5cc [ 3409.623987] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3409.645732] ffff880000000010 ffff8800a2ea7a00 ffff8800a2ea79b0 ffffffffb363c3e0 [ 3409.665013] Call Trace: [ 3409.672547] [] dump_stack+0xd7/0x132 [ 3409.690287] [] ? arch_local_irq_restore+0x1b/0x1b [ 3409.709271] [] ubsan_epilogue+0x12/0x53 [ 3409.723117] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3409.741333] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3409.774452] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3409.794359] [] ? __percpu_counter_add+0x180/0x18c [ 3409.812558] [] ext4_flex_group+0x2b/0x69 [ 3409.827936] [] __ext4_new_inode+0x2430/0x34f9 [ 3409.844984] [] ? ext4_free_inode+0xa8e/0xa8e [ 3409.861580] [] ? ubsan_epilogue+0x26/0x53 [ 3409.879100] [] ? arch_local_irq_restore+0x6/0xd [ 3409.894976] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3409.915013] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3409.934402] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3409.956048] [] ext4_symlink+0x515/0xb42 [ 3409.969360] [] ? ext4_orphan_del+0x68c/0x68c [ 3409.985540] [] ? __inode_permission+0x261/0x270 [ 3410.005329] [] ? security_inode_symlink+0xd8/0xe7 [ 3410.024612] [] vfs_symlink+0x106/0x137 [ 3410.039232] [] ? SYSC_symlinkat+0x1af/0x218 [ 3410.056087] [] SYSC_symlinkat+0x1c2/0x218 [ 3410.072675] [] ? do_unlinkat+0x41a/0x41a [ 3410.086209] [] SyS_symlink+0x28/0x2c [ 3410.100858] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3410.118452] ================================================================================ [ 3410.141960] ================================================================================ [ 3410.165680] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:1038:18 [ 3410.186790] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3410.213967] which requires 64 byte alignment [ 3410.225477] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3410.242374] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3410.276105] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3410.297720] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3410.317474] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3410.340590] Call Trace: [ 3410.345782] [] dump_stack+0xd7/0x132 [ 3410.360223] [] ? arch_local_irq_restore+0x1b/0x1b [ 3410.377000] [] ubsan_epilogue+0x12/0x53 [ 3410.389593] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3410.409627] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3410.431938] [] ? __percpu_counter_add+0x180/0x18c [ 3410.447665] [] __ext4_new_inode+0x2459/0x34f9 [ 3410.466475] [] ? ext4_free_inode+0xa8e/0xa8e [ 3410.485411] [] ? ubsan_epilogue+0x26/0x53 [ 3410.502481] [] ? arch_local_irq_restore+0x6/0xd [ 3410.520912] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3410.539386] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3410.560731] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3410.581632] [] ext4_symlink+0x515/0xb42 [ 3410.595999] [] ? ext4_orphan_del+0x68c/0x68c [ 3410.613505] [] ? __inode_permission+0x261/0x270 [ 3410.630866] [] ? security_inode_symlink+0xd8/0xe7 [ 3410.646184] [] vfs_symlink+0x106/0x137 [ 3410.663414] [] ? SYSC_symlinkat+0x1af/0x218 [ 3410.677735] [] SYSC_symlinkat+0x1c2/0x218 [ 3410.696171] [] ? do_unlinkat+0x41a/0x41a [ 3410.713825] [] SyS_symlink+0x28/0x2c [ 3410.729034] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3410.746557] ================================================================================ [ 3410.775833] ================================================================================ [ 3410.800502] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3410.819495] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3410.848998] which requires 64 byte alignment [ 3410.859052] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3410.878865] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3410.905771] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3410.926825] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3410.945304] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3410.965571] Call Trace: [ 3410.972122] [] dump_stack+0xd7/0x132 [ 3410.984936] [] ? arch_local_irq_restore+0x1b/0x1b [ 3411.003646] [] ubsan_epilogue+0x12/0x53 [ 3411.018919] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3411.039409] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3411.060125] [] ? __percpu_counter_add+0x180/0x18c [ 3411.079384] [] __ext4_new_inode+0x24aa/0x34f9 [ 3411.095809] [] ? ext4_free_inode+0xa8e/0xa8e [ 3411.113233] [] ? ubsan_epilogue+0x26/0x53 [ 3411.126476] [] ? arch_local_irq_restore+0x6/0xd [ 3411.145152] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3411.165524] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3411.184564] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3411.202848] [] ext4_symlink+0x515/0xb42 [ 3411.218431] [] ? ext4_orphan_del+0x68c/0x68c [ 3411.236491] [] ? __inode_permission+0x261/0x270 [ 3411.252570] [] ? security_inode_symlink+0xd8/0xe7 [ 3411.273345] [] vfs_symlink+0x106/0x137 [ 3411.285574] [] ? SYSC_symlinkat+0x1af/0x218 [ 3411.304125] [] SYSC_symlinkat+0x1c2/0x218 [ 3411.318823] [] ? do_unlinkat+0x41a/0x41a [ 3411.336159] [] SyS_symlink+0x28/0x2c [ 3411.350045] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3411.368077] ================================================================================ [ 3411.394243] ================================================================================ [ 3411.417832] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:1041:31 [ 3411.434859] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3411.459289] which requires 64 byte alignment [ 3411.470606] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3411.488981] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3411.517393] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3411.537049] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3411.559552] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3411.582198] Call Trace: [ 3411.588582] [] dump_stack+0xd7/0x132 [ 3411.601895] [] ? arch_local_irq_restore+0x1b/0x1b [ 3411.622532] [] ubsan_epilogue+0x12/0x53 [ 3411.639010] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3411.657575] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3411.676735] [] ? __percpu_counter_add+0x180/0x18c [ 3411.696852] [] __ext4_new_inode+0x24d7/0x34f9 [ 3411.712505] [] ? ext4_free_inode+0xa8e/0xa8e [ 3411.729508] [] ? ubsan_epilogue+0x26/0x53 [ 3411.746340] [] ? arch_local_irq_restore+0x6/0xd [ 3411.760726] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3411.781196] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3411.802422] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3411.819956] [] ext4_symlink+0x515/0xb42 [ 3411.840311] [] ? ext4_orphan_del+0x68c/0x68c [ 3411.856037] [] ? __inode_permission+0x261/0x270 [ 3411.874852] [] ? security_inode_symlink+0xd8/0xe7 [ 3411.891956] [] vfs_symlink+0x106/0x137 [ 3411.912069] [] ? SYSC_symlinkat+0x1af/0x218 [ 3411.928760] [] SYSC_symlinkat+0x1c2/0x218 [ 3411.943553] [] ? do_unlinkat+0x41a/0x41a [ 3411.961302] [] SyS_symlink+0x28/0x2c [ 3411.977815] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3411.993906] ================================================================================ [ 3412.018458] ================================================================================ [ 3412.045100] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1529:21 [ 3412.064299] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3412.092763] which requires 64 byte alignment [ 3412.105285] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3412.121926] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3412.146345] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3412.171258] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3412.192660] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3412.213227] Call Trace: [ 3412.218712] [] dump_stack+0xd7/0x132 [ 3412.233831] [] ? arch_local_irq_restore+0x1b/0x1b [ 3412.254805] [] ubsan_epilogue+0x12/0x53 [ 3412.271756] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3412.289317] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3412.310510] [] ? __percpu_counter_add+0x180/0x18c [ 3412.329433] [] __ext4_new_inode+0x25b5/0x34f9 [ 3412.344618] [] ? ext4_free_inode+0xa8e/0xa8e [ 3412.363209] [] ? ubsan_epilogue+0x26/0x53 [ 3412.381917] [] ? arch_local_irq_restore+0x6/0xd [ 3412.400001] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3412.418534] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3412.437485] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3412.458533] [] ext4_symlink+0x515/0xb42 [ 3412.474408] [] ? ext4_orphan_del+0x68c/0x68c [ 3412.490003] [] ? __inode_permission+0x261/0x270 [ 3412.506294] [] ? security_inode_symlink+0xd8/0xe7 [ 3412.522600] [] vfs_symlink+0x106/0x137 [ 3412.537835] [] ? SYSC_symlinkat+0x1af/0x218 [ 3412.555795] [] SYSC_symlinkat+0x1c2/0x218 [ 3412.573568] [] ? do_unlinkat+0x41a/0x41a [ 3412.588542] [] SyS_symlink+0x28/0x2c [ 3412.601892] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3412.623249] ================================================================================ [ 3412.646270] ================================================================================ [ 3412.672693] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:1060:6 [ 3412.692336] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3412.714795] which requires 64 byte alignment [ 3412.725972] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3412.747337] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3412.777181] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3412.800522] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3412.819748] 0000000000000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3412.842913] Call Trace: [ 3412.852227] [] dump_stack+0xd7/0x132 [ 3412.864578] [] ? arch_local_irq_restore+0x1b/0x1b [ 3412.883335] [] ubsan_epilogue+0x12/0x53 [ 3412.897687] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3412.917982] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3412.940706] [] ? inode_set_flags+0xb6/0xbf [ 3412.957923] [] __ext4_new_inode+0x2997/0x34f9 [ 3412.977926] [] ? ext4_free_inode+0xa8e/0xa8e [ 3412.993673] [] ? ubsan_epilogue+0x26/0x53 [ 3413.009864] [] ? arch_local_irq_restore+0x6/0xd [ 3413.027554] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3413.047210] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3413.066500] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3413.086687] [] ext4_symlink+0x515/0xb42 [ 3413.103123] [] ? ext4_orphan_del+0x68c/0x68c [ 3413.120395] [] ? __inode_permission+0x261/0x270 [ 3413.136786] [] ? security_inode_symlink+0xd8/0xe7 [ 3413.153495] [] vfs_symlink+0x106/0x137 [ 3413.167513] [] ? SYSC_symlinkat+0x1af/0x218 [ 3413.184412] [] SYSC_symlinkat+0x1c2/0x218 [ 3413.201704] [] ? do_unlinkat+0x41a/0x41a [ 3413.218325] [] SyS_symlink+0x28/0x2c [ 3413.235477] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3413.253374] ================================================================================ [ 3413.277298] ================================================================================ [ 3413.303254] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:1073:27 [ 3413.323193] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3413.350193] which requires 64 byte alignment [ 3413.362656] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3413.384531] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3413.410201] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3413.432753] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3413.453959] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3413.475213] Call Trace: [ 3413.484441] [] dump_stack+0xd7/0x132 [ 3413.497510] [] ? arch_local_irq_restore+0x1b/0x1b [ 3413.515880] [] ubsan_epilogue+0x12/0x53 [ 3413.530416] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3413.548699] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3413.568316] [] ? insert_inode_locked+0x30e/0x31f [ 3413.586173] [] __ext4_new_inode+0x2a8a/0x34f9 [ 3413.603430] [] ? ext4_free_inode+0xa8e/0xa8e [ 3413.618615] [] ? ubsan_epilogue+0x26/0x53 [ 3413.635116] [] ? arch_local_irq_restore+0x6/0xd [ 3413.653332] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3413.671899] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3413.689617] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3413.711550] [] ext4_symlink+0x515/0xb42 [ 3413.727714] [] ? ext4_orphan_del+0x68c/0x68c [ 3413.747085] [] ? __inode_permission+0x261/0x270 [ 3413.762588] [] ? security_inode_symlink+0xd8/0xe7 [ 3413.780660] [] vfs_symlink+0x106/0x137 [ 3413.798564] [] ? SYSC_symlinkat+0x1af/0x218 [ 3413.814647] [] SYSC_symlinkat+0x1c2/0x218 [ 3413.832009] [] ? do_unlinkat+0x41a/0x41a [ 3413.846078] [] SyS_symlink+0x28/0x2c [ 3413.861232] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3413.882273] ================================================================================ [ 3413.910867] ================================================================================ [ 3413.938996] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:1073:46 [ 3413.960128] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3413.991556] which requires 64 byte alignment [ 3414.003071] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3414.019752] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3414.046598] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3414.065565] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3414.086329] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3414.108454] Call Trace: [ 3414.114977] [] dump_stack+0xd7/0x132 [ 3414.129945] [] ? arch_local_irq_restore+0x1b/0x1b [ 3414.148545] [] ubsan_epilogue+0x12/0x53 [ 3414.163498] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3414.183524] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3414.204284] [] ? insert_inode_locked+0x30e/0x31f [ 3414.224989] [] __ext4_new_inode+0x2adb/0x34f9 [ 3414.241984] [] ? ext4_free_inode+0xa8e/0xa8e [ 3414.258027] [] ? ubsan_epilogue+0x26/0x53 [ 3414.276309] [] ? arch_local_irq_restore+0x6/0xd [ 3414.293156] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3414.316286] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3414.335605] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3414.355608] [] ext4_symlink+0x515/0xb42 [ 3414.376573] [] ? ext4_orphan_del+0x68c/0x68c [ 3414.393970] [] ? __inode_permission+0x261/0x270 [ 3414.416519] [] ? security_inode_symlink+0xd8/0xe7 [ 3414.444021] [] vfs_symlink+0x106/0x137 [ 3414.460399] [] ? SYSC_symlinkat+0x1af/0x218 [ 3414.479296] [] SYSC_symlinkat+0x1c2/0x218 [ 3414.498343] [] ? do_unlinkat+0x41a/0x41a [ 3414.516568] [] SyS_symlink+0x28/0x2c [ 3414.533039] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3414.551140] ================================================================================ [ 3414.578129] ================================================================================ [ 3414.603574] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3414.624848] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3414.662500] which requires 64 byte alignment [ 3414.680954] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3414.710157] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3414.752988] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3414.778226] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3414.804546] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3414.832869] Call Trace: [ 3414.843535] [] dump_stack+0xd7/0x132 [ 3414.865583] [] ? arch_local_irq_restore+0x1b/0x1b [ 3414.885619] [] ubsan_epilogue+0x12/0x53 [ 3414.904752] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3414.935874] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3414.955777] [] ? insert_inode_locked+0x30e/0x31f [ 3414.974397] [] __ext4_new_inode+0x2b46/0x34f9 [ 3414.990248] [] ? ext4_free_inode+0xa8e/0xa8e [ 3415.007462] [] ? ubsan_epilogue+0x26/0x53 [ 3415.024080] [] ? arch_local_irq_restore+0x6/0xd [ 3415.039804] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3415.059864] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3415.082177] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3415.103279] [] ext4_symlink+0x515/0xb42 [ 3415.117145] [] ? ext4_orphan_del+0x68c/0x68c [ 3415.134737] [] ? __inode_permission+0x261/0x270 [ 3415.149166] [] ? security_inode_symlink+0xd8/0xe7 [ 3415.166326] [] vfs_symlink+0x106/0x137 [ 3415.182366] [] ? SYSC_symlinkat+0x1af/0x218 [ 3415.198031] [] SYSC_symlinkat+0x1c2/0x218 [ 3415.218012] [] ? do_unlinkat+0x41a/0x41a [ 3415.235331] [] SyS_symlink+0x28/0x2c [ 3415.249107] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3415.266086] ================================================================================ [ 3415.291509] ================================================================================ [ 3415.314465] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1771:1 [ 3415.329344] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3415.355293] which requires 64 byte alignment [ 3415.367451] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3415.385437] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3415.414761] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3415.436299] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3415.455965] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3415.478486] Call Trace: [ 3415.484373] [] dump_stack+0xd7/0x132 [ 3415.499801] [] ? arch_local_irq_restore+0x1b/0x1b [ 3415.518023] [] ubsan_epilogue+0x12/0x53 [ 3415.534604] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3415.554791] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3415.572052] [] ? insert_inode_locked+0x30e/0x31f [ 3415.590153] [] __ext4_new_inode+0x2b73/0x34f9 [ 3415.609279] [] ? ext4_free_inode+0xa8e/0xa8e [ 3415.625018] [] ? ubsan_epilogue+0x26/0x53 [ 3415.640973] [] ? arch_local_irq_restore+0x6/0xd [ 3415.660056] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3415.679923] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3415.698559] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3415.719044] [] ext4_symlink+0x515/0xb42 [ 3415.733091] [] ? ext4_orphan_del+0x68c/0x68c [ 3415.748989] [] ? __inode_permission+0x261/0x270 [ 3415.765262] [] ? security_inode_symlink+0xd8/0xe7 [ 3415.783974] [] vfs_symlink+0x106/0x137 [ 3415.800114] [] ? SYSC_symlinkat+0x1af/0x218 [ 3415.816630] [] SYSC_symlinkat+0x1c2/0x218 [ 3415.834795] [] ? do_unlinkat+0x41a/0x41a [ 3415.849941] [] SyS_symlink+0x28/0x2c [ 3415.863238] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3415.881654] ================================================================================ [ 3415.904870] ================================================================================ [ 3415.929161] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3415.948151] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3415.974731] which requires 64 byte alignment [ 3415.985255] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3416.005274] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3416.032931] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3416.053132] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3416.076513] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3416.098046] Call Trace: [ 3416.104719] [] dump_stack+0xd7/0x132 [ 3416.119219] [] ? arch_local_irq_restore+0x1b/0x1b [ 3416.137179] [] ubsan_epilogue+0x12/0x53 [ 3416.155580] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3416.172922] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3416.193574] [] ? insert_inode_locked+0x30e/0x31f [ 3416.210945] [] __ext4_new_inode+0x2bcf/0x34f9 [ 3416.226519] [] ? ext4_free_inode+0xa8e/0xa8e [ 3416.246264] [] ? ubsan_epilogue+0x26/0x53 [ 3416.262800] [] ? arch_local_irq_restore+0x6/0xd [ 3416.280589] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3416.302541] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3416.322614] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3416.344769] [] ext4_symlink+0x515/0xb42 [ 3416.358657] [] ? ext4_orphan_del+0x68c/0x68c [ 3416.375958] [] ? __inode_permission+0x261/0x270 [ 3416.395954] [] ? security_inode_symlink+0xd8/0xe7 [ 3416.422517] [] vfs_symlink+0x106/0x137 [ 3416.465548] [] ? SYSC_symlinkat+0x1af/0x218 [ 3416.491669] [] SYSC_symlinkat+0x1c2/0x218 [ 3416.512233] [] ? do_unlinkat+0x41a/0x41a [ 3416.526812] [] SyS_symlink+0x28/0x2c [ 3416.540107] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3416.558194] ================================================================================ [ 3416.584557] ================================================================================ [ 3416.605047] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2748:2 [ 3416.619396] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3416.645954] which requires 64 byte alignment [ 3416.660792] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3416.678197] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3416.705331] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3416.728160] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3416.749763] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3416.767528] Call Trace: [ 3416.775416] [] dump_stack+0xd7/0x132 [ 3416.790183] [] ? arch_local_irq_restore+0x1b/0x1b [ 3416.809957] [] ubsan_epilogue+0x12/0x53 [ 3416.828854] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3416.847467] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3416.869360] [] ? insert_inode_locked+0x30e/0x31f [ 3416.884509] [] __ext4_new_inode+0x2be9/0x34f9 [ 3416.902850] [] ? ext4_free_inode+0xa8e/0xa8e [ 3416.916373] [] ? ubsan_epilogue+0x26/0x53 [ 3416.934853] [] ? arch_local_irq_restore+0x6/0xd [ 3416.952026] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3416.971498] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3416.992812] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3417.016966] [] ext4_symlink+0x515/0xb42 [ 3417.030596] [] ? ext4_orphan_del+0x68c/0x68c [ 3417.049278] [] ? __inode_permission+0x261/0x270 [ 3417.065824] [] ? security_inode_symlink+0xd8/0xe7 [ 3417.088114] [] vfs_symlink+0x106/0x137 [ 3417.104089] [] ? SYSC_symlinkat+0x1af/0x218 [ 3417.121422] [] SYSC_symlinkat+0x1c2/0x218 [ 3417.134972] [] ? do_unlinkat+0x41a/0x41a [ 3417.151413] [] SyS_symlink+0x28/0x2c [ 3417.166659] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3417.188539] ================================================================================ [ 3417.212046] ================================================================================ [ 3417.234663] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3417.250319] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3417.272605] which requires 64 byte alignment [ 3417.285190] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3417.302999] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3417.330414] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3417.352975] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3417.372318] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3417.393527] Call Trace: [ 3417.401120] [] dump_stack+0xd7/0x132 [ 3417.413845] [] ? arch_local_irq_restore+0x1b/0x1b [ 3417.429517] [] ubsan_epilogue+0x12/0x53 [ 3417.446715] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3417.464373] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3417.484649] [] ? insert_inode_locked+0x30e/0x31f [ 3417.502290] [] __ext4_new_inode+0x2c6f/0x34f9 [ 3417.516057] [] ? ext4_free_inode+0xa8e/0xa8e [ 3417.532401] [] ? ubsan_epilogue+0x26/0x53 [ 3417.549684] [] ? arch_local_irq_restore+0x6/0xd [ 3417.566187] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3417.587556] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3417.608721] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3417.629027] [] ext4_symlink+0x515/0xb42 [ 3417.642283] [] ? ext4_orphan_del+0x68c/0x68c [ 3417.658786] [] ? __inode_permission+0x261/0x270 [ 3417.679634] [] ? security_inode_symlink+0xd8/0xe7 [ 3417.694737] [] vfs_symlink+0x106/0x137 [ 3417.711910] [] ? SYSC_symlinkat+0x1af/0x218 [ 3417.726836] [] SYSC_symlinkat+0x1c2/0x218 [ 3417.739166] [] ? do_unlinkat+0x41a/0x41a [ 3417.756066] [] SyS_symlink+0x28/0x2c [ 3417.770585] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3417.788429] ================================================================================ [ 3417.811657] ================================================================================ [ 3417.833610] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2751:21 [ 3417.851255] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3417.875408] which requires 64 byte alignment [ 3417.888591] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3417.909043] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3417.933327] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3417.955927] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3417.976582] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3417.996717] Call Trace: [ 3418.003885] [] dump_stack+0xd7/0x132 [ 3418.017300] [] ? arch_local_irq_restore+0x1b/0x1b [ 3418.034037] [] ubsan_epilogue+0x12/0x53 [ 3418.049816] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3418.068391] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3418.088272] [] ? insert_inode_locked+0x30e/0x31f [ 3418.103580] [] __ext4_new_inode+0x2c9c/0x34f9 [ 3418.117974] [] ? ext4_free_inode+0xa8e/0xa8e [ 3418.133934] [] ? ubsan_epilogue+0x26/0x53 [ 3418.150037] [] ? arch_local_irq_restore+0x6/0xd [ 3418.166683] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3418.186250] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3418.205533] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3418.226649] [] ext4_symlink+0x515/0xb42 [ 3418.241525] [] ? ext4_orphan_del+0x68c/0x68c [ 3418.258092] [] ? __inode_permission+0x261/0x270 [ 3418.273974] [] ? security_inode_symlink+0xd8/0xe7 [ 3418.293891] [] vfs_symlink+0x106/0x137 [ 3418.308866] [] ? SYSC_symlinkat+0x1af/0x218 [ 3418.323883] [] SYSC_symlinkat+0x1c2/0x218 [ 3418.338077] [] ? do_unlinkat+0x41a/0x41a [ 3418.353377] [] SyS_symlink+0x28/0x2c [ 3418.367123] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3418.384607] ================================================================================ [ 3418.407345] ================================================================================ [ 3418.432051] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:1081:10 [ 3418.448136] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3418.472443] which requires 64 byte alignment [ 3418.485807] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3418.504269] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3418.529007] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3418.549470] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3418.569910] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3418.590064] Call Trace: [ 3418.595650] [] dump_stack+0xd7/0x132 [ 3418.611715] [] ? arch_local_irq_restore+0x1b/0x1b [ 3418.631485] [] ubsan_epilogue+0x12/0x53 [ 3418.646165] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3418.668023] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3418.685193] [] ? insert_inode_locked+0x30e/0x31f [ 3418.704252] [] __ext4_new_inode+0x2d40/0x34f9 [ 3418.723290] [] ? ext4_free_inode+0xa8e/0xa8e [ 3418.738165] [] ? ubsan_epilogue+0x26/0x53 [ 3418.756706] [] ? arch_local_irq_restore+0x6/0xd [ 3418.775600] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3418.792601] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3418.813207] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3418.832312] [] ext4_symlink+0x515/0xb42 [ 3418.848718] [] ? ext4_orphan_del+0x68c/0x68c [ 3418.865238] [] ? __inode_permission+0x261/0x270 [ 3418.884699] [] ? security_inode_symlink+0xd8/0xe7 [ 3418.901179] [] vfs_symlink+0x106/0x137 [ 3418.913807] [] ? SYSC_symlinkat+0x1af/0x218 [ 3418.931825] [] SYSC_symlinkat+0x1c2/0x218 [ 3418.945980] [] ? do_unlinkat+0x41a/0x41a [ 3418.960319] [] SyS_symlink+0x28/0x2c [ 3418.976793] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3418.992074] ================================================================================ [ 3419.014611] ================================================================================ [ 3419.037328] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2041:2 [ 3419.053635] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3419.077921] which requires 64 byte alignment [ 3419.088183] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3419.108352] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3419.133708] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7958 ffffffffb26ec5cc [ 3419.156560] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3419.177848] ffffffff00000010 ffff8800a2ea7980 ffff8800a2ea7930 ffffffffb363c3e0 [ 3419.199689] Call Trace: [ 3419.205776] [] dump_stack+0xd7/0x132 [ 3419.220600] [] ? arch_local_irq_restore+0x1b/0x1b [ 3419.235470] [] ubsan_epilogue+0x12/0x53 [ 3419.252471] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3419.272308] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3419.289812] [] ? arch_local_irq_restore+0x6/0xd [ 3419.308596] [] ext4_chksum.constprop.7+0x8f/0x173 [ 3419.328949] [] ? ext4_has_group_desc_csum+0xfc/0xfc [ 3419.348552] [] ? insert_inode_locked+0x30e/0x31f [ 3419.365918] [] __ext4_new_inode+0x2d6f/0x34f9 [ 3419.386408] [] ? ext4_free_inode+0xa8e/0xa8e [ 3419.402514] [] ? ubsan_epilogue+0x26/0x53 [ 3419.417140] [] ? arch_local_irq_restore+0x6/0xd [ 3419.434944] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3419.456065] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3419.476846] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3419.501748] [] ext4_symlink+0x515/0xb42 [ 3419.519073] [] ? ext4_orphan_del+0x68c/0x68c [ 3419.535589] [] ? __inode_permission+0x261/0x270 [ 3419.556836] [] ? security_inode_symlink+0xd8/0xe7 [ 3419.574600] [] vfs_symlink+0x106/0x137 [ 3419.590020] [] ? SYSC_symlinkat+0x1af/0x218 [ 3419.605204] [] SYSC_symlinkat+0x1c2/0x218 [ 3419.621763] [] ? do_unlinkat+0x41a/0x41a [ 3419.637283] [] SyS_symlink+0x28/0x2c [ 3419.653386] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3419.670201] ================================================================================ [ 3419.698319] ================================================================================ [ 3419.717897] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2043:22 [ 3419.736861] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3419.760689] which requires 64 byte alignment [ 3419.771652] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3419.791335] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3419.816434] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7958 ffffffffb26ec5cc [ 3419.837807] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3419.861600] ffffffff00000010 ffff8800a2ea7980 ffff8800a2ea7930 ffffffffb363c3e0 [ 3419.883126] Call Trace: [ 3419.888437] [] dump_stack+0xd7/0x132 [ 3419.905655] [] ? arch_local_irq_restore+0x1b/0x1b [ 3419.922238] [] ubsan_epilogue+0x12/0x53 [ 3419.937075] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3419.954519] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3419.974621] [] ? arch_local_irq_restore+0x6/0xd [ 3419.991161] [] ext4_chksum.constprop.7+0xf9/0x173 [ 3420.011405] [] ? ext4_has_group_desc_csum+0xfc/0xfc [ 3420.029813] [] ? insert_inode_locked+0x30e/0x31f [ 3420.049100] [] __ext4_new_inode+0x2d6f/0x34f9 [ 3420.063725] [] ? ext4_free_inode+0xa8e/0xa8e [ 3420.079549] [] ? ubsan_epilogue+0x26/0x53 [ 3420.095550] [] ? arch_local_irq_restore+0x6/0xd [ 3420.114224] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3420.133800] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3420.153614] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3420.172140] [] ext4_symlink+0x515/0xb42 [ 3420.198702] [] ? ext4_orphan_del+0x68c/0x68c [ 3420.214127] [] ? __inode_permission+0x261/0x270 [ 3420.233088] [] ? security_inode_symlink+0xd8/0xe7 [ 3420.248747] [] vfs_symlink+0x106/0x137 [ 3420.264918] [] ? SYSC_symlinkat+0x1af/0x218 [ 3420.280656] [] SYSC_symlinkat+0x1c2/0x218 [ 3420.295435] [] ? do_unlinkat+0x41a/0x41a [ 3420.309163] [] SyS_symlink+0x28/0x2c [ 3420.326516] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3420.343534] ================================================================================ [ 3420.365494] ================================================================================ [ 3420.387257] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3420.402153] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3420.425780] which requires 64 byte alignment [ 3420.435966] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3420.455014] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3420.482804] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3420.503000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3420.527171] ffff880000000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3420.546656] Call Trace: [ 3420.552019] [] dump_stack+0xd7/0x132 [ 3420.565808] [] ? arch_local_irq_restore+0x1b/0x1b [ 3420.582544] [] ubsan_epilogue+0x12/0x53 [ 3420.596581] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3420.614690] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3420.634381] [] __ext4_new_inode+0x2dec/0x34f9 [ 3420.650986] [] ? ext4_free_inode+0xa8e/0xa8e [ 3420.666349] [] ? ubsan_epilogue+0x26/0x53 [ 3420.682136] [] ? arch_local_irq_restore+0x6/0xd [ 3420.695925] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3420.715631] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3420.735526] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3420.757358] [] ext4_symlink+0x515/0xb42 [ 3420.772798] [] ? ext4_orphan_del+0x68c/0x68c [ 3420.787212] [] ? __inode_permission+0x261/0x270 [ 3420.804788] [] ? security_inode_symlink+0xd8/0xe7 [ 3420.820365] [] vfs_symlink+0x106/0x137 [ 3420.833298] [] ? SYSC_symlinkat+0x1af/0x218 [ 3420.849589] [] SYSC_symlinkat+0x1c2/0x218 [ 3420.865950] [] ? do_unlinkat+0x41a/0x41a [ 3420.882562] [] SyS_symlink+0x28/0x2c [ 3420.896969] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3420.912165] ================================================================================ [ 3420.938334] ================================================================================ [ 3420.963086] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:1090:33 [ 3420.980405] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3421.001678] which requires 64 byte alignment [ 3421.012098] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3421.031243] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3421.056257] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3421.080850] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3421.102832] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3421.120593] Call Trace: [ 3421.128028] [] dump_stack+0xd7/0x132 [ 3421.142421] [] ? arch_local_irq_restore+0x1b/0x1b [ 3421.156373] [] ubsan_epilogue+0x12/0x53 [ 3421.172337] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3421.191512] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3421.210178] [] __ext4_new_inode+0x2e19/0x34f9 [ 3421.225436] [] ? ext4_free_inode+0xa8e/0xa8e [ 3421.240125] [] ? ubsan_epilogue+0x26/0x53 [ 3421.255802] [] ? arch_local_irq_restore+0x6/0xd [ 3421.272649] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3421.291179] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3421.309328] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3421.329736] [] ext4_symlink+0x515/0xb42 [ 3421.342682] [] ? ext4_orphan_del+0x68c/0x68c [ 3421.361241] [] ? __inode_permission+0x261/0x270 [ 3421.377259] [] ? security_inode_symlink+0xd8/0xe7 [ 3421.394602] [] vfs_symlink+0x106/0x137 [ 3421.410254] [] ? SYSC_symlinkat+0x1af/0x218 [ 3421.426408] [] SYSC_symlinkat+0x1c2/0x218 [ 3421.443580] [] ? do_unlinkat+0x41a/0x41a [ 3421.456905] [] SyS_symlink+0x28/0x2c [ 3421.471445] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3421.489594] ================================================================================ [ 3421.512103] ================================================================================ [ 3421.537342] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3421.555355] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3421.581386] which requires 64 byte alignment [ 3421.592840] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3421.608565] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3421.632871] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3421.652859] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3421.674102] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3421.692623] Call Trace: [ 3421.700016] [] dump_stack+0xd7/0x132 [ 3421.712155] [] ? arch_local_irq_restore+0x1b/0x1b [ 3421.732559] [] ubsan_epilogue+0x12/0x53 [ 3421.747268] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3421.767076] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3421.786591] [] __ext4_new_inode+0x2ebd/0x34f9 [ 3421.801573] [] ? ext4_free_inode+0xa8e/0xa8e [ 3421.818727] [] ? ubsan_epilogue+0x26/0x53 [ 3421.835164] [] ? arch_local_irq_restore+0x6/0xd [ 3421.852396] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3421.871714] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3421.894019] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3421.911817] [] ext4_symlink+0x515/0xb42 [ 3421.929988] [] ? ext4_orphan_del+0x68c/0x68c [ 3421.948008] [] ? __inode_permission+0x261/0x270 [ 3421.962856] [] ? security_inode_symlink+0xd8/0xe7 [ 3421.980067] [] vfs_symlink+0x106/0x137 [ 3421.993936] [] ? SYSC_symlinkat+0x1af/0x218 [ 3422.007915] [] SYSC_symlinkat+0x1c2/0x218 [ 3422.022302] [] ? do_unlinkat+0x41a/0x41a [ 3422.036555] [] SyS_symlink+0x28/0x2c [ 3422.050224] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3422.067101] ================================================================================ [ 3422.090422] ================================================================================ [ 3422.116379] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1788:1 [ 3422.134626] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3422.160202] which requires 64 byte alignment [ 3422.170685] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3422.188767] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3422.215226] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3422.237207] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3422.260060] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3422.281331] Call Trace: [ 3422.287637] [] dump_stack+0xd7/0x132 [ 3422.303091] [] ? arch_local_irq_restore+0x1b/0x1b [ 3422.318797] [] ubsan_epilogue+0x12/0x53 [ 3422.335483] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3422.354397] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3422.374879] [] __ext4_new_inode+0x2ede/0x34f9 [ 3422.398110] [] ? ext4_free_inode+0xa8e/0xa8e [ 3422.413316] [] ? ubsan_epilogue+0x26/0x53 [ 3422.428148] [] ? arch_local_irq_restore+0x6/0xd [ 3422.444638] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3422.464709] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3422.485029] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3422.503599] [] ext4_symlink+0x515/0xb42 [ 3422.523963] [] ? ext4_orphan_del+0x68c/0x68c [ 3422.537971] [] ? __inode_permission+0x261/0x270 [ 3422.554709] [] ? security_inode_symlink+0xd8/0xe7 [ 3422.571709] [] vfs_symlink+0x106/0x137 [ 3422.587825] [] ? SYSC_symlinkat+0x1af/0x218 [ 3422.605085] [] SYSC_symlinkat+0x1c2/0x218 [ 3422.620158] [] ? do_unlinkat+0x41a/0x41a [ 3422.634478] [] SyS_symlink+0x28/0x2c [ 3422.650971] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3422.668871] ================================================================================ [ 3422.692234] ================================================================================ [ 3422.713491] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3422.729847] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3422.752453] which requires 64 byte alignment [ 3422.766532] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3422.785854] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3422.808529] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3422.830937] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3422.849947] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3422.870151] Call Trace: [ 3422.876886] [] dump_stack+0xd7/0x132 [ 3422.889627] [] ? arch_local_irq_restore+0x1b/0x1b [ 3422.907734] [] ubsan_epilogue+0x12/0x53 [ 3422.921747] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3422.940993] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3422.962503] [] __ext4_new_inode+0x2fad/0x34f9 [ 3422.978262] [] ? ext4_free_inode+0xa8e/0xa8e [ 3422.994225] [] ? ubsan_epilogue+0x26/0x53 [ 3423.007964] [] ? arch_local_irq_restore+0x6/0xd [ 3423.029076] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3423.048593] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3423.136852] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3423.155796] [] ext4_symlink+0x515/0xb42 [ 3423.172424] [] ? ext4_orphan_del+0x68c/0x68c [ 3423.186447] [] ? __inode_permission+0x261/0x270 [ 3423.203647] [] ? security_inode_symlink+0xd8/0xe7 [ 3423.217719] [] vfs_symlink+0x106/0x137 [ 3423.233330] [] ? SYSC_symlinkat+0x1af/0x218 [ 3423.250704] [] SYSC_symlinkat+0x1c2/0x218 [ 3423.266575] [] ? do_unlinkat+0x41a/0x41a [ 3423.282741] [] SyS_symlink+0x28/0x2c [ 3423.294319] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3423.312751] ================================================================================ [ 3423.335964] ================================================================================ [ 3423.357696] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1780:1 [ 3423.372664] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3423.400483] which requires 64 byte alignment [ 3423.411566] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3423.431570] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3423.456097] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea79f8 ffffffffb26ec5cc [ 3423.478501] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3423.500479] ffffffff00000010 ffff8800a2ea7a20 ffff8800a2ea79d0 ffffffffb363c3e0 [ 3423.520620] Call Trace: [ 3423.528071] [] dump_stack+0xd7/0x132 [ 3423.545059] [] ? arch_local_irq_restore+0x1b/0x1b [ 3423.560747] [] ubsan_epilogue+0x12/0x53 [ 3423.581932] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3423.602875] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3423.626177] [] __ext4_new_inode+0x2fda/0x34f9 [ 3423.644117] [] ? ext4_free_inode+0xa8e/0xa8e [ 3423.663683] [] ? ubsan_epilogue+0x26/0x53 [ 3423.680645] [] ? arch_local_irq_restore+0x6/0xd [ 3423.697081] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3423.716346] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3423.737872] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3423.755934] [] ext4_symlink+0x515/0xb42 [ 3423.771353] [] ? ext4_orphan_del+0x68c/0x68c [ 3423.787216] [] ? __inode_permission+0x261/0x270 [ 3423.805465] [] ? security_inode_symlink+0xd8/0xe7 [ 3423.819690] [] vfs_symlink+0x106/0x137 [ 3423.834439] [] ? SYSC_symlinkat+0x1af/0x218 [ 3423.847203] [] SYSC_symlinkat+0x1c2/0x218 [ 3423.862346] [] ? do_unlinkat+0x41a/0x41a [ 3423.878856] [] SyS_symlink+0x28/0x2c [ 3423.893496] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3423.909995] ================================================================================ [ 3423.933488] ================================================================================ [ 3423.954516] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3423.971366] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3423.994540] which requires 64 byte alignment [ 3424.005943] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3424.024338] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3424.050635] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea77c0 ffffffffb26ec5cc [ 3424.069842] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3424.091140] 0000000000000010 ffff8800a2ea77e8 ffff8800a2ea7798 ffffffffb363c3e0 [ 3424.112362] Call Trace: [ 3424.120267] [] dump_stack+0xd7/0x132 [ 3424.134612] [] ? arch_local_irq_restore+0x1b/0x1b [ 3424.153944] [] ubsan_epilogue+0x12/0x53 [ 3424.168425] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3424.187739] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3424.207590] [] ext4_mark_iloc_dirty+0x329/0x204e [ 3424.223325] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3424.250847] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3424.273335] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3424.292695] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3424.309004] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3424.328869] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3424.349322] [] ext4_ext_tree_init+0xde/0xe7 [ 3424.366086] [] __ext4_new_inode+0x3051/0x34f9 [ 3424.383032] [] ? ext4_free_inode+0xa8e/0xa8e [ 3424.400913] [] ? ubsan_epilogue+0x26/0x53 [ 3424.418308] [] ? arch_local_irq_restore+0x6/0xd [ 3424.436161] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3424.454736] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3424.474286] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3424.493247] [] ext4_symlink+0x515/0xb42 [ 3424.508076] [] ? ext4_orphan_del+0x68c/0x68c [ 3424.524303] [] ? __inode_permission+0x261/0x270 [ 3424.541679] [] ? security_inode_symlink+0xd8/0xe7 [ 3424.559443] [] vfs_symlink+0x106/0x137 [ 3424.574128] [] ? SYSC_symlinkat+0x1af/0x218 [ 3424.590774] [] SYSC_symlinkat+0x1c2/0x218 [ 3424.605185] [] ? do_unlinkat+0x41a/0x41a [ 3424.621105] [] SyS_symlink+0x28/0x2c [ 3424.635873] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3424.652943] ================================================================================ [ 3424.673380] ================================================================================ [ 3424.696699] UBSAN: Undefined behaviour in fs/ext4/inode.c:4813:44 [ 3424.717377] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3424.743821] which requires 64 byte alignment [ 3424.753809] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3424.773869] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3424.799901] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea77c0 ffffffffb26ec5cc [ 3424.818684] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3424.841014] ffff880000000010 ffff8800a2ea77e8 ffff8800a2ea7798 ffffffffb363c3e0 [ 3424.864582] Call Trace: [ 3424.871117] [] dump_stack+0xd7/0x132 [ 3424.886258] [] ? arch_local_irq_restore+0x1b/0x1b [ 3424.903754] [] ubsan_epilogue+0x12/0x53 [ 3424.916913] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3424.937625] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3424.963446] [] ext4_mark_iloc_dirty+0x356/0x204e [ 3424.981497] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [ 3425.002635] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3425.018113] [] ext4_mark_inode_dirty+0x259/0x7a3 [ 3425.035064] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3425.054332] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3425.074234] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3425.094864] [] ext4_ext_tree_init+0xde/0xe7 [ 3425.108688] [] __ext4_new_inode+0x3051/0x34f9 [ 3425.125382] [] ? ext4_free_inode+0xa8e/0xa8e [ 3425.140891] [] ? ubsan_epilogue+0x26/0x53 [ 3425.154319] [] ? arch_local_irq_restore+0x6/0xd [ 3425.172073] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3425.191040] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3425.207984] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3425.230033] [] ext4_symlink+0x515/0xb42 [ 3425.247145] [] ? ext4_orphan_del+0x68c/0x68c [ 3425.263851] [] ? __inode_permission+0x261/0x270 [ 3425.283363] [] ? security_inode_symlink+0xd8/0xe7 [ 3425.300084] [] vfs_symlink+0x106/0x137 [ 3425.312839] [] ? SYSC_symlinkat+0x1af/0x218 [ 3425.327259] [] SYSC_symlinkat+0x1c2/0x218 [ 3425.343172] [] ? do_unlinkat+0x41a/0x41a [ 3425.358076] [] SyS_symlink+0x28/0x2c [ 3425.373482] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3425.392133] ================================================================================ [ 3425.414123] ================================================================================ [ 3425.438620] UBSAN: Undefined behaviour in fs/ext4/namei.c:2104:16 [ 3425.457385] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3425.480995] which requires 64 byte alignment [ 3425.491572] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3425.509039] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3425.537767] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7ae8 ffffffffb26ec5cc [ 3425.556938] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3425.578995] 0000000000000010 ffff8800a2ea7b10 ffff8800a2ea7ac0 ffffffffb363c3e0 [ 3425.601920] Call Trace: [ 3425.607826] [] dump_stack+0xd7/0x132 [ 3425.621842] [] ? arch_local_irq_restore+0x1b/0x1b [ 3425.636973] [] ubsan_epilogue+0x12/0x53 [ 3425.652490] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3425.672840] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3425.692454] [] ext4_add_entry+0x17d/0x652 [ 3425.708181] [] ? make_indexed_dir+0x9a4/0x9a4 [ 3425.727240] [] ? arch_local_irq_restore+0x6/0xd [ 3425.748387] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3425.766241] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3425.786633] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3425.804604] [] ext4_add_nondir+0x2c/0x86 [ 3425.822117] [] ext4_symlink+0x9d2/0xb42 [ 3425.839429] [] ? ext4_orphan_del+0x68c/0x68c [ 3425.854995] [] ? __inode_permission+0x261/0x270 [ 3425.872998] [] ? security_inode_symlink+0xd8/0xe7 [ 3425.893262] [] vfs_symlink+0x106/0x137 [ 3425.908927] [] ? SYSC_symlinkat+0x1af/0x218 [ 3425.925176] [] SYSC_symlinkat+0x1c2/0x218 [ 3425.944406] [] ? do_unlinkat+0x41a/0x41a [ 3425.956639] [] SyS_symlink+0x28/0x2c [ 3425.971363] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3425.988419] ================================================================================ [ 3426.009218] ================================================================================ [ 3426.032315] UBSAN: Undefined behaviour in fs/ext4/namei.c:2130:28 [ 3426.048456] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3426.072521] which requires 64 byte alignment [ 3426.086665] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3426.105263] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3426.131567] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7ae8 ffffffffb26ec5cc [ 3426.153974] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3426.176922] ffffffff00000010 ffff8800a2ea7b10 ffff8800a2ea7ac0 ffffffffb363c3e0 [ 3426.197258] Call Trace: [ 3426.206968] [] dump_stack+0xd7/0x132 [ 3426.222217] [] ? arch_local_irq_restore+0x1b/0x1b [ 3426.240485] [] ubsan_epilogue+0x12/0x53 [ 3426.253252] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3426.273215] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3426.296192] [] ext4_add_entry+0x33a/0x652 [ 3426.308684] [] ? make_indexed_dir+0x9a4/0x9a4 [ 3426.324898] [] ? arch_local_irq_restore+0x6/0xd [ 3426.345012] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3426.367482] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3426.388722] [] ext4_add_nondir+0x2c/0x86 [ 3426.405287] [] ext4_symlink+0x9d2/0xb42 [ 3426.420038] [] ? ext4_orphan_del+0x68c/0x68c [ 3426.434202] [] ? __inode_permission+0x261/0x270 [ 3426.451902] [] ? security_inode_symlink+0xd8/0xe7 [ 3426.467314] [] vfs_symlink+0x106/0x137 [ 3426.481270] [] ? SYSC_symlinkat+0x1af/0x218 [ 3426.496010] [] SYSC_symlinkat+0x1c2/0x218 [ 3426.510370] [] ? do_unlinkat+0x41a/0x41a [ 3426.525000] [] SyS_symlink+0x28/0x2c [ 3426.537782] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3426.559050] ================================================================================ [ 3426.586152] ================================================================================ [ 3426.609958] UBSAN: Undefined behaviour in fs/ext4/namei.c:1905:36 [ 3426.627233] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3426.651045] which requires 64 byte alignment [ 3426.663303] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3426.680687] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3426.708585] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7a88 ffffffffb26ec5cc [ 3426.728435] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3426.748979] ffffffff00000010 ffff8800a2ea7ab0 ffff8800a2ea7a60 ffffffffb363c3e0 [ 3426.770464] Call Trace: [ 3426.777058] [] dump_stack+0xd7/0x132 [ 3426.790962] [] ? arch_local_irq_restore+0x1b/0x1b [ 3426.807558] [] ubsan_epilogue+0x12/0x53 [ 3426.822403] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3426.840295] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3426.859784] [] add_dirent_to_buf+0x75/0x2ec [ 3426.875343] [] ext4_add_entry+0x40f/0x652 [ 3426.891266] [] ? make_indexed_dir+0x9a4/0x9a4 [ 3426.908489] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3426.927536] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3426.950249] [] ext4_add_nondir+0x2c/0x86 [ 3426.965081] [] ext4_symlink+0x9d2/0xb42 [ 3426.980882] [] ? ext4_orphan_del+0x68c/0x68c [ 3426.994954] [] ? __inode_permission+0x261/0x270 [ 3427.011214] [] ? security_inode_symlink+0xd8/0xe7 [ 3427.033763] [] vfs_symlink+0x106/0x137 [ 3427.047808] [] ? SYSC_symlinkat+0x1af/0x218 [ 3427.064510] [] SYSC_symlinkat+0x1c2/0x218 [ 3427.077246] [] ? do_unlinkat+0x41a/0x41a [ 3427.093726] [] SyS_symlink+0x28/0x2c [ 3427.117865] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3427.173211] ================================================================================ [ 3427.218911] ================================================================================ [ 3427.244057] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3427.259100] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3427.286961] which requires 64 byte alignment [ 3427.298038] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3427.316388] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3427.340576] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7a18 ffffffffb26ec5cc [ 3427.360593] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3427.382702] 0000000000000010 ffff8800a2ea7a40 ffff8800a2ea79f0 ffffffffb363c3e0 [ 3427.409439] Call Trace: [ 3427.416744] [] dump_stack+0xd7/0x132 [ 3427.433295] [] ? arch_local_irq_restore+0x1b/0x1b [ 3427.453248] [] ubsan_epilogue+0x12/0x53 [ 3427.469422] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3427.487013] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3427.506339] [] ext4_set_de_type+0x30/0x11e [ 3427.523772] [] ext4_insert_dentry+0x201/0x2ae [ 3427.538316] [] add_dirent_to_buf+0x1b7/0x2ec [ 3427.553005] [] ext4_add_entry+0x40f/0x652 [ 3427.567803] [] ? make_indexed_dir+0x9a4/0x9a4 [ 3427.585825] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3427.606693] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3427.628087] [] ext4_add_nondir+0x2c/0x86 [ 3427.644937] [] ext4_symlink+0x9d2/0xb42 [ 3427.660035] [] ? ext4_orphan_del+0x68c/0x68c [ 3427.677786] [] ? __inode_permission+0x261/0x270 [ 3427.695809] [] ? security_inode_symlink+0xd8/0xe7 [ 3427.714956] [] vfs_symlink+0x106/0x137 [ 3427.730460] [] ? SYSC_symlinkat+0x1af/0x218 [ 3427.748217] [] SYSC_symlinkat+0x1c2/0x218 [ 3427.764251] [] ? do_unlinkat+0x41a/0x41a [ 3427.777508] [] SyS_symlink+0x28/0x2c [ 3427.794809] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3427.811589] ================================================================================ [ 3427.833245] ================================================================================ [ 3427.854659] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1776:1 [ 3427.871357] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3427.895056] which requires 64 byte alignment [ 3427.905813] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3427.923150] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3427.948745] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7a18 ffffffffb26ec5cc [ 3427.969887] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3427.990067] ffffffff00000010 ffff8800a2ea7a40 ffff8800a2ea79f0 ffffffffb363c3e0 [ 3428.017624] Call Trace: [ 3428.029172] [] dump_stack+0xd7/0x132 [ 3428.056263] [] ? arch_local_irq_restore+0x1b/0x1b [ 3428.077115] [] ubsan_epilogue+0x12/0x53 [ 3428.094049] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3428.112768] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3428.132484] [] ext4_set_de_type+0x5d/0x11e [ 3428.147925] [] ext4_insert_dentry+0x201/0x2ae [ 3428.165697] [] add_dirent_to_buf+0x1b7/0x2ec [ 3428.180258] [] ext4_add_entry+0x40f/0x652 [ 3428.196815] [] ? make_indexed_dir+0x9a4/0x9a4 [ 3428.211258] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3428.230579] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3428.251108] [] ext4_add_nondir+0x2c/0x86 [ 3428.268464] [] ext4_symlink+0x9d2/0xb42 [ 3428.284129] [] ? ext4_orphan_del+0x68c/0x68c [ 3428.299038] [] ? __inode_permission+0x261/0x270 [ 3428.318298] [] ? security_inode_symlink+0xd8/0xe7 [ 3428.334389] [] vfs_symlink+0x106/0x137 [ 3428.350651] [] ? SYSC_symlinkat+0x1af/0x218 [ 3428.365989] [] SYSC_symlinkat+0x1c2/0x218 [ 3428.382995] [] ? do_unlinkat+0x41a/0x41a [ 3428.397356] [] SyS_symlink+0x28/0x2c [ 3428.409828] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3428.428747] ================================================================================ [ 3428.453687] ================================================================================ [ 3428.476623] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1529:21 [ 3428.493650] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3428.520373] which requires 64 byte alignment [ 3428.532385] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3428.551274] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3428.578765] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7a50 ffffffffb26ec5cc [ 3428.601377] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3428.622384] 0000000000000010 ffff8800a2ea7a78 ffff8800a2ea7a28 ffffffffb363c3e0 [ 3428.644796] Call Trace: [ 3428.651786] [] dump_stack+0xd7/0x132 [ 3428.668496] [] ? arch_local_irq_restore+0x1b/0x1b [ 3428.686777] [] ubsan_epilogue+0x12/0x53 [ 3428.703943] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3428.724525] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3428.742841] [] ext4_current_time+0x55/0xc2 [ 3428.757601] [] add_dirent_to_buf+0x1f1/0x2ec [ 3428.774550] [] ext4_add_entry+0x40f/0x652 [ 3428.789730] [] ? make_indexed_dir+0x9a4/0x9a4 [ 3428.806439] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3428.825944] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3428.847149] [] ext4_add_nondir+0x2c/0x86 [ 3428.859694] [] ext4_symlink+0x9d2/0xb42 [ 3428.875403] [] ? ext4_orphan_del+0x68c/0x68c [ 3428.890247] [] ? __inode_permission+0x261/0x270 [ 3428.907426] [] ? security_inode_symlink+0xd8/0xe7 [ 3428.923993] [] vfs_symlink+0x106/0x137 [ 3428.938619] [] ? SYSC_symlinkat+0x1af/0x218 [ 3428.953788] [] SYSC_symlinkat+0x1c2/0x218 [ 3428.971937] [] ? do_unlinkat+0x41a/0x41a [ 3428.988696] [] SyS_symlink+0x28/0x2c [ 3429.002619] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3429.023480] ================================================================================ [ 3429.046153] ================================================================================ [ 3429.071767] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3429.094595] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3429.125548] which requires 64 byte alignment [ 3429.137306] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3429.154843] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3429.179093] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7a40 ffffffffb26ec5cc [ 3429.199557] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3429.217403] 0000000000000010 ffff8800a2ea7a68 ffff8800a2ea7a18 ffffffffb363c3e0 [ 3429.236712] Call Trace: [ 3429.243661] [] dump_stack+0xd7/0x132 [ 3429.258676] [] ? arch_local_irq_restore+0x1b/0x1b [ 3429.275872] [] ubsan_epilogue+0x12/0x53 [ 3429.290626] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3429.309774] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3429.331326] [] ? ext4_reserve_inode_write+0x125/0x125 [ 3429.347964] [] ext4_handle_dirty_dirent_node+0x121/0x1cb [ 3429.367161] [] add_dirent_to_buf+0x28b/0x2ec [ 3429.381468] [] ext4_add_entry+0x40f/0x652 [ 3429.399718] [] ? make_indexed_dir+0x9a4/0x9a4 [ 3429.415307] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3429.434744] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3429.454774] [] ext4_add_nondir+0x2c/0x86 [ 3429.468958] [] ext4_symlink+0x9d2/0xb42 [ 3429.482938] [] ? ext4_orphan_del+0x68c/0x68c [ 3429.499822] [] ? __inode_permission+0x261/0x270 [ 3429.515049] [] ? security_inode_symlink+0xd8/0xe7 [ 3429.531948] [] vfs_symlink+0x106/0x137 [ 3429.546924] [] ? SYSC_symlinkat+0x1af/0x218 [ 3429.563099] [] SYSC_symlinkat+0x1c2/0x218 [ 3429.578105] [] ? do_unlinkat+0x41a/0x41a [ 3429.592519] [] SyS_symlink+0x28/0x2c [ 3429.606981] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3429.625628] ================================================================================ [ 3429.645489] ================================================================================ [ 3429.672184] UBSAN: Undefined behaviour in fs/ext4/namei.c:3205:14 [ 3429.690151] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3429.713282] which requires 64 byte alignment [ 3429.723508] CPU: 1 PID: 632 Comm: ln Tainted: G L 4.8.11 #1 [ 3429.741456] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3429.765005] 00000000ffffffff 000000008ae11bb4 ffff8800a2ea7c68 ffffffffb26ec5cc [ 3429.785615] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3429.806151] 0000000000000010 ffff8800a2ea7c90 ffff8800a2ea7c40 ffffffffb363c3e0 [ 3429.827856] Call Trace: [ 3429.834742] [] dump_stack+0xd7/0x132 [ 3429.849772] [] ? arch_local_irq_restore+0x1b/0x1b [ 3429.866776] [] ubsan_epilogue+0x12/0x53 [ 3429.881178] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3429.903687] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3429.923947] [] ext4_symlink+0xa22/0xb42 [ 3429.937293] [] ? ext4_orphan_del+0x68c/0x68c [ 3429.958666] [] ? __inode_permission+0x261/0x270 [ 3429.977983] [] ? security_inode_symlink+0xd8/0xe7 [ 3429.998680] [] vfs_symlink+0x106/0x137 [ 3430.017226] [] ? SYSC_symlinkat+0x1af/0x218 [ 3430.038839] [] SYSC_symlinkat+0x1c2/0x218 [ 3430.054025] [] ? do_unlinkat+0x41a/0x41a [ 3430.066420] [] SyS_symlink+0x28/0x2c [ 3430.079931] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3430.095411] ================================================================================ [ 3430.245023] ================================================================================ [ 3430.270268] UBSAN: Undefined behaviour in fs/proc/self.c:12:24 [ 3430.286757] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 3430.311642] which requires 64 byte alignment [ 3430.323154] CPU: 3 PID: 634 Comm: readlink Tainted: G L 4.8.11 #1 [ 3430.343943] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3430.371014] 00000000ffffffff 0000000082b66323 ffff88005bd97cc0 ffffffffb26ec5cc [ 3430.392121] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3430.415552] 0000000000000010 ffff88005bd97ce8 ffff88005bd97c98 ffffffffb363c3e0 [ 3430.436229] Call Trace: [ 3430.444588] [] dump_stack+0xd7/0x132 [ 3430.458794] [] ? arch_local_irq_restore+0x1b/0x1b [ 3430.475904] [] ubsan_epilogue+0x12/0x53 [ 3430.493054] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3430.508757] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3430.529941] [] ? getname_flags+0x4f/0x2e0 [ 3430.544861] [] proc_self_readlink+0xb2/0x14f [ 3430.560902] [] ? touch_atime+0x1d8/0x20e [ 3430.575264] [] ? proc_ns_dir_lookup+0x1bf/0x1bf [ 3430.593269] [] SYSC_readlinkat+0x222/0x2aa [ 3430.609574] [] ? cp_old_stat+0x563/0x563 [ 3430.625977] [] SyS_readlink+0x2f/0x36 [ 3430.639580] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3430.660225] ================================================================================ [....] Cleaning up temporary files...[ 3431.326263] ================================================================================ [ 3431.351809] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3431.369172] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3431.393058] which requires 64 byte alignment [ 3431.404681] CPU: 2 PID: 637 Comm: checkroot-bootc Tainted: G L 4.8.11 #1 [ 3431.431926] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3431.461670] 00000000ffffffff 00000000126c5608 ffff88005a347940 ffffffffb26ec5cc [ 3431.485303] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3431.508173] ffff880000000010 ffff88005a347968 ffff88005a347918 ffffffffb363c3e0 [ 3431.528328] Call Trace: [ 3431.536597] [] dump_stack+0xd7/0x132 [ 3431.553039] [] ? arch_local_irq_restore+0x1b/0x1b [ 3431.570093] [] ubsan_epilogue+0x12/0x53 [ 3431.586110] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3431.605229] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3431.631389] [] ext4_create+0x125/0x43b [ 3431.645756] [] ? security_task_prctl+0x1e/0xe0 [ 3431.663414] [] ? ext4_mknod+0x43b/0x43b [ 3431.677168] [] ? ext4_mknod+0x43b/0x43b [ 3431.694115] [] path_openat+0x1805/0x2525 [ 3431.708548] [] ? qlink_to_cache+0x22/0x87 [ 3431.726142] [] ? may_open+0x1c0/0x1c0 [ 3431.742628] [] ? deactivate_slab+0x53d/0x566 [ 3431.757325] [] ? getname_flags+0x4f/0x2e0 [ 3431.775100] [] ? init_object+0x1d6/0x1e2 [ 3431.792147] [] ? expand_files+0x68a/0x6d7 [ 3431.808039] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3431.827883] [] do_filp_open+0xe2/0x18c [ 3431.844700] [] ? path_openat+0x2525/0x2525 [ 3431.858728] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3431.876004] [] ? __alloc_fd+0x43d/0x47f [ 3431.894397] [] ? exit_files+0xaa/0xaa [ 3431.909570] [] do_sys_open+0xf5/0x342 [ 3431.926367] [] ? do_sys_open+0xf5/0x342 [ 3431.944721] [] ? __do_page_fault+0x6d3/0x96b [ 3431.962379] [] ? filp_open+0x68/0x68 [ 3431.977676] [] SyS_open+0x32/0x39 [ 3431.995964] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3432.012032] ================================================================================ [ 3432.036793] ================================================================================ [ 3432.061450] UBSAN: Undefined behaviour in fs/ext4/namei.c:2464:13 [ 3432.077236] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3432.106094] which requires 64 byte alignment [ 3432.117218] CPU: 2 PID: 637 Comm: checkroot-bootc Tainted: G L 4.8.11 #1 [ 3432.142378] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3432.168248] 00000000ffffffff 00000000126c5608 ffff88005a347940 ffffffffb26ec5cc [ 3432.192474] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3432.216045] ffff880000000010 ffff88005a347968 ffff88005a347918 ffffffffb363c3e0 [ 3432.236644] Call Trace: [ 3432.244087] [] dump_stack+0xd7/0x132 [ 3432.258956] [] ? arch_local_irq_restore+0x1b/0x1b [ 3432.278775] [] ubsan_epilogue+0x12/0x53 [ 3432.295488] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3432.319690] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3432.337977] [] ext4_create+0x154/0x43b [ 3432.356008] [] ? security_task_prctl+0x1e/0xe0 [ 3432.373615] [] ? ext4_mknod+0x43b/0x43b [ 3432.390431] [] ? ext4_mknod+0x43b/0x43b [ 3432.407481] [] path_openat+0x1805/0x2525 [ 3432.424041] [] ? qlink_to_cache+0x22/0x87 [ 3432.438337] [] ? may_open+0x1c0/0x1c0 [ 3432.454592] [] ? deactivate_slab+0x53d/0x566 [ 3432.474000] [] ? getname_flags+0x4f/0x2e0 [ 3432.489466] [] ? init_object+0x1d6/0x1e2 [ 3432.506229] [] ? expand_files+0x68a/0x6d7 [ 3432.522847] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3432.542475] [] do_filp_open+0xe2/0x18c [ 3432.558366] [] ? path_openat+0x2525/0x2525 [ 3432.575435] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3432.593570] [] ? __alloc_fd+0x43d/0x47f [ 3432.609053] [] ? exit_files+0xaa/0xaa [ 3432.627367] [] do_sys_open+0xf5/0x342 [ 3432.643073] [] ? do_sys_open+0xf5/0x342 [ 3432.657264] [] ? __do_page_fault+0x6d3/0x96b [ 3432.675497] [] ? filp_open+0x68/0x68 [ 3432.690885] [] SyS_open+0x32/0x39 [ 3432.704873] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3432.723787] ================================================================================ [ 3432.754455] ================================================================================ [ 3432.783338] UBSAN: Undefined behaviour in fs/posix_acl.c:110:7 [ 3432.803294] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3432.831241] which requires 64 byte alignment [ 3432.844446] CPU: 3 PID: 637 Comm: checkroot-bootc Tainted: G L 4.8.11 #1 [ 3432.867467] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3432.899376] 00000000ffffffff 00000000126c5608 ffff88005a347570 ffffffffb26ec5cc [ 3432.919990] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3432.943385] ffffffff00000010 ffff88005a347598 ffff88005a347548 ffffffffb363c3e0 [ 3432.963567] Call Trace: [ 3432.969614] [] dump_stack+0xd7/0x132 [ 3432.984883] [] ? arch_local_irq_restore+0x1b/0x1b [ 3433.004229] [] ubsan_epilogue+0x12/0x53 [ 3433.019418] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3433.040655] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3433.073097] [] ? get_cached_acl+0xf1/0x101 [ 3433.099045] [] get_acl+0x79/0x1ce [ 3433.114582] [] ? posix_acl_create+0xfb/0x29b [ 3433.130425] [] posix_acl_create+0x118/0x29b [ 3433.146334] [] ext4_init_acl+0xa4/0x17b [ 3433.163090] [] ? ext4_set_acl+0x468/0x468 [ 3433.180277] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3433.202352] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3433.224960] [] __ext4_new_inode+0x2f5a/0x34f9 [ 3433.241067] [] ? ext4_free_inode+0xa8e/0xa8e [ 3433.261504] [] ? ubsan_epilogue+0x26/0x53 [ 3433.277771] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3433.299192] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3433.322229] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3433.343206] [] ext4_create+0x20b/0x43b [ 3433.358861] [] ? ext4_mknod+0x43b/0x43b [ 3433.375821] [] ? ext4_mknod+0x43b/0x43b [ 3433.388892] [] path_openat+0x1805/0x2525 [ 3433.404872] [] ? qlink_to_cache+0x22/0x87 [ 3433.421666] [] ? may_open+0x1c0/0x1c0 [ 3433.437429] [] ? deactivate_slab+0x53d/0x566 [ 3433.452679] [] ? getname_flags+0x4f/0x2e0 [ 3433.469398] [] ? init_object+0x1d6/0x1e2 [ 3433.489132] [] ? expand_files+0x68a/0x6d7 [ 3433.503637] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3433.524356] [] do_filp_open+0xe2/0x18c [ 3433.540744] [] ? path_openat+0x2525/0x2525 [ 3433.556689] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3433.577121] [] ? __alloc_fd+0x43d/0x47f [ 3433.593395] [] ? exit_files+0xaa/0xaa [ 3433.609262] [] do_sys_open+0xf5/0x342 [ 3433.624435] [] ? do_sys_open+0xf5/0x342 [ 3433.642034] [] ? __do_page_fault+0x6d3/0x96b [ 3433.655862] [] ? filp_open+0x68/0x68 [ 3433.670766] [] SyS_open+0x32/0x39 [ 3433.683909] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3433.704539] ================================================================================ [ 3433.729228] ================================================================================ [ 3433.760322] UBSAN: Undefined behaviour in fs/ext4/namei.c:2476:15 [ 3433.777016] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3433.804524] which requires 64 byte alignment [ 3433.818216] CPU: 3 PID: 637 Comm: checkroot-bootc Tainted: G L 4.8.11 #1 [ 3433.841419] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3433.867823] 00000000ffffffff 00000000126c5608 ffff88005a347940 ffffffffb26ec5cc [ 3433.892248] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3433.916877] 0000000000000010 ffff88005a347968 ffff88005a347918 ffffffffb363c3e0 [ 3433.941671] Call Trace: [ 3433.949342] [] dump_stack+0xd7/0x132 [ 3433.964999] [] ? arch_local_irq_restore+0x1b/0x1b [ 3433.983249] [] ubsan_epilogue+0x12/0x53 [ 3433.998115] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3434.021170] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3434.041853] [] ext4_create+0x31e/0x43b [ 3434.059753] [] ? ext4_mknod+0x43b/0x43b [ 3434.075228] [] ? ext4_mknod+0x43b/0x43b [ 3434.094525] [] path_openat+0x1805/0x2525 [ 3434.111458] [] ? qlink_to_cache+0x22/0x87 [ 3434.129199] [] ? may_open+0x1c0/0x1c0 [ 3434.145802] [] ? deactivate_slab+0x53d/0x566 [ 3434.161819] [] ? getname_flags+0x4f/0x2e0 [ 3434.179895] [] ? init_object+0x1d6/0x1e2 [ 3434.195373] [] ? expand_files+0x68a/0x6d7 [ 3434.212208] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3434.232614] [] do_filp_open+0xe2/0x18c [ 3434.250053] [] ? path_openat+0x2525/0x2525 [ 3434.265118] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3434.285080] [] ? __alloc_fd+0x43d/0x47f [ 3434.297765] [] ? exit_files+0xaa/0xaa [ 3434.314284] [] do_sys_open+0xf5/0x342 [ 3434.329004] [] ? do_sys_open+0xf5/0x342 [ 3434.347874] [] ? __do_page_fault+0x6d3/0x96b [ 3434.367904] [] ? filp_open+0x68/0x68 [ 3434.383492] [] SyS_open+0x32/0x39 [ 3434.396934] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3434.418015] ================================================================================ [ 3434.443307] ================================================================================ [ 3434.467556] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3434.483989] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3434.510813] which requires 64 byte alignment [ 3434.523343] CPU: 3 PID: 637 Comm: checkroot-bootc Tainted: G L 4.8.11 #1 [ 3434.547539] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3434.584914] 00000000ffffffff 00000000126c5608 ffff88005a347818 ffffffffb26ec5cc [ 3434.607268] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3434.626323] ffff880000000010 ffff88005a347840 ffff88005a3477f0 ffffffffb363c3e0 [ 3434.646556] Call Trace: [ 3434.652824] [] dump_stack+0xd7/0x132 [ 3434.668125] [] ? arch_local_irq_restore+0x1b/0x1b [ 3434.687895] [] ubsan_epilogue+0x12/0x53 [ 3434.702427] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3434.721994] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3434.742386] [] ? queued_spin_unlock+0x1b/0x1b [ 3434.756028] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3434.774430] [] ext4_inode_attach_jinode+0x9d/0x1f9 [ 3434.793273] [] ext4_file_open+0x67c/0x6e3 [ 3434.809770] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3434.828023] [] ? __fsnotify_parent+0x229/0x238 [ 3434.846352] [] ? break_lease+0xf3/0x102 [ 3434.863061] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3434.881519] [] do_dentry_open+0x775/0xa9a [ 3434.897935] [] vfs_open+0x1a5/0x1be [ 3434.911950] [] path_openat+0x1f94/0x2525 [ 3434.926853] [] ? qlink_to_cache+0x22/0x87 [ 3434.943621] [] ? may_open+0x1c0/0x1c0 [ 3434.957562] [] ? deactivate_slab+0x53d/0x566 [ 3434.975376] [] ? getname_flags+0x4f/0x2e0 [ 3434.991447] [] ? init_object+0x1d6/0x1e2 [ 3435.005350] [] ? expand_files+0x68a/0x6d7 [ 3435.044867] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3435.073376] [] do_filp_open+0xe2/0x18c [ 3435.088550] [] ? path_openat+0x2525/0x2525 [ 3435.105515] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3435.123502] [] ? __alloc_fd+0x43d/0x47f [ 3435.139574] [] ? exit_files+0xaa/0xaa [ 3435.152348] [] do_sys_open+0xf5/0x342 [ 3435.166412] [] ? do_sys_open+0xf5/0x342 [ 3435.182794] [] ? __do_page_fault+0x6d3/0x96b [ 3435.200512] [] ? filp_open+0x68/0x68 [ 3435.214706] [] SyS_open+0x32/0x39 [ 3435.227114] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3435.245441] ================================================================================ [ 3435.270960] ================================================================================ [ 3435.297045] UBSAN: Undefined behaviour in fs/ext4/inode.c:4050:41 [ 3435.311818] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3435.338894] which requires 64 byte alignment [ 3435.348934] CPU: 3 PID: 637 Comm: checkroot-bootc Tainted: G L 4.8.11 #1 [ 3435.373075] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3435.403951] 00000000ffffffff 00000000126c5608 ffff88005a347818 ffffffffb26ec5cc [ 3435.426924] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3435.448384] ffffffff00000010 ffff88005a347840 ffff88005a3477f0 ffffffffb363c3e0 [ 3435.468120] Call Trace: [ 3435.475159] [] dump_stack+0xd7/0x132 [ 3435.488804] [] ? arch_local_irq_restore+0x1b/0x1b [ 3435.507536] [] ubsan_epilogue+0x12/0x53 [ 3435.525281] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3435.547782] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3435.568511] [] ? queued_spin_unlock+0x1b/0x1b [ 3435.588350] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3435.608732] [] ext4_inode_attach_jinode+0xca/0x1f9 [ 3435.626643] [] ext4_file_open+0x67c/0x6e3 [ 3435.643427] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3435.662425] [] ? __fsnotify_parent+0x229/0x238 [ 3435.678700] [] ? break_lease+0xf3/0x102 [ 3435.694538] [] ? ext4_dax_pmd_fault+0x1f5/0x1f5 [ 3435.712839] [] do_dentry_open+0x775/0xa9a [ 3435.727098] [] vfs_open+0x1a5/0x1be [ 3435.744484] [] path_openat+0x1f94/0x2525 [ 3435.762047] [] ? qlink_to_cache+0x22/0x87 [ 3435.778456] [] ? may_open+0x1c0/0x1c0 [ 3435.792880] [] ? deactivate_slab+0x53d/0x566 [ 3435.809104] [] ? getname_flags+0x4f/0x2e0 [ 3435.826879] [] ? init_object+0x1d6/0x1e2 [ 3435.844261] [] ? expand_files+0x68a/0x6d7 [ 3435.860049] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3435.877471] [] do_filp_open+0xe2/0x18c [ 3435.893716] [] ? path_openat+0x2525/0x2525 [ 3435.908478] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3435.926896] [] ? __alloc_fd+0x43d/0x47f [ 3435.944017] [] ? exit_files+0xaa/0xaa [ 3435.956745] [] do_sys_open+0xf5/0x342 [ 3435.972423] [] ? do_sys_open+0xf5/0x342 [ 3435.990334] [] ? __do_page_fault+0x6d3/0x96b [ 3436.025262] [] ? filp_open+0x68/0x68 [ 3436.043366] [] SyS_open+0x32/0x39 [ 3436.056501] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3436.073743] ================================================================================ /tmp[?25l[?1c7[ ok 8[?25h[?0c. [ 3439.500213] ================================================================================ [ 3439.527673] UBSAN: Undefined behaviour in fs/proc_namespace.c:102:8 [ 3439.546608] member access within misaligned address ffff88005d0312b8 for type 'struct super_block' [ 3439.573510] which requires 64 byte alignment [ 3439.588740] CPU: 2 PID: 776 Comm: grep Tainted: G L 4.8.11 #1 [ 3439.608720] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3439.634552] 00000000ffffffff 0000000055ac84fc ffff88009e59fb30 ffffffffb26ec5cc [ 3439.655427] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3439.681007] ffff880000000010 ffff88009e59fb58 ffff88009e59fb08 ffffffffb363c3e0 [ 3439.703618] Call Trace: [ 3439.710868] [] dump_stack+0xd7/0x132 [ 3439.727402] [] ? arch_local_irq_restore+0x1b/0x1b [ 3439.744421] [] ubsan_epilogue+0x12/0x53 [ 3439.760162] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3439.781298] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3439.803201] [] show_vfsmnt+0x11f/0x3cf [ 3439.819373] [] ? down_write_killable+0xfb/0xfb [ 3439.836134] [] ? show_mountinfo+0x846/0x846 [ 3439.851784] [] ? seq_list_start+0xac/0xba [ 3439.867752] [] m_show+0x75/0x7c [ 3439.884144] [] seq_read+0x7ba/0x11ae [ 3439.898678] [] ? seq_hlist_start_percpu+0x228/0x228 [ 3439.916911] [] ? fsnotify_perm+0x111/0x11e [ 3439.932904] [] ? seq_hlist_start_percpu+0x228/0x228 [ 3439.952061] [] __vfs_read+0xc2/0x145 [ 3439.968483] [] vfs_read+0x12a/0x209 [ 3439.984089] [] SyS_read+0xec/0x174 [ 3439.998969] [] ? vfs_copy_file_range+0x485/0x485 [ 3440.018850] [] ? prepare_exit_to_usermode+0x7d/0x1d9 [ 3440.039586] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3440.055897] ================================================================================ [ 3440.081275] ================================================================================ [ 3440.106179] UBSAN: Undefined behaviour in fs/proc_namespace.c:121:8 [ 3440.124680] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3440.150323] which requires 64 byte alignment [ 3440.164493] CPU: 2 PID: 776 Comm: grep Tainted: G L 4.8.11 #1 [ 3440.186948] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3440.213694] 00000000ffffffff 0000000055ac84fc ffff88009e59fb30 ffffffffb26ec5cc [ 3440.233004] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3440.253654] ffffffff00000010 ffff88009e59fb58 ffff88009e59fb08 ffffffffb363c3e0 [ 3440.276956] Call Trace: [ 3440.284456] [] dump_stack+0xd7/0x132 [ 3440.297120] [] ? arch_local_irq_restore+0x1b/0x1b [ 3440.320661] [] ubsan_epilogue+0x12/0x53 [ 3440.337014] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3440.358905] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3440.380523] [] ? show_mnt_opts+0xda/0xe6 [ 3440.395368] [] show_vfsmnt+0x2f9/0x3cf [ 3440.408548] [] ? show_mountinfo+0x846/0x846 [ 3440.427138] [] m_show+0x75/0x7c [ 3440.440080] [] seq_read+0x7ba/0x11ae [ 3440.452530] [] ? seq_hlist_start_percpu+0x228/0x228 [ 3440.472842] [] ? fsnotify_perm+0x111/0x11e [ 3440.489222] [] ? seq_hlist_start_percpu+0x228/0x228 [ 3440.506950] [] __vfs_read+0xc2/0x145 [ 3440.522453] [] vfs_read+0x12a/0x209 [ 3440.541296] [] SyS_read+0xec/0x174 [ 3440.553198] [] ? vfs_copy_file_range+0x485/0x485 [ 3440.570880] [] ? prepare_exit_to_usermode+0x7d/0x1d9 [ 3440.590115] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3440.607859] ================================================================================ [ 3440.632668] ================================================================================ [ 3440.659895] UBSAN: Undefined behaviour in fs/proc_namespace.c:122:11 [ 3440.676291] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3440.703279] which requires 64 byte alignment [ 3440.715344] CPU: 2 PID: 776 Comm: grep Tainted: G L 4.8.11 #1 [ 3440.742582] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3440.769732] 00000000ffffffff 0000000055ac84fc ffff88009e59fb30 ffffffffb26ec5cc [ 3440.791564] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3440.813331] ffff880000000010 ffff88009e59fb58 ffff88009e59fb08 ffffffffb363c3e0 [ 3440.842463] Call Trace: [ 3440.847903] [] dump_stack+0xd7/0x132 [ 3440.864322] [] ? arch_local_irq_restore+0x1b/0x1b [ 3440.881271] [] ubsan_epilogue+0x12/0x53 [ 3440.899786] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3440.920163] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3440.942013] [] ? show_mnt_opts+0xda/0xe6 [ 3440.958462] [] ? _ext4_show_options+0xf1a/0xf1a [ 3440.974663] [] show_vfsmnt+0x350/0x3cf [ 3440.992248] [] ? show_mountinfo+0x846/0x846 [ 3441.009079] [] m_show+0x75/0x7c [ 3441.024406] [] seq_read+0x7ba/0x11ae [ 3441.040137] [] ? seq_hlist_start_percpu+0x228/0x228 [ 3441.056683] [] ? fsnotify_perm+0x111/0x11e [ 3441.075462] [] ? seq_hlist_start_percpu+0x228/0x228 [ 3441.094850] [] __vfs_read+0xc2/0x145 [ 3441.112885] [] vfs_read+0x12a/0x209 [ 3441.128183] [] SyS_read+0xec/0x174 [ 3441.144763] [] ? vfs_copy_file_range+0x485/0x485 [ 3441.163328] [] ? prepare_exit_to_usermode+0x7d/0x1d9 [ 3441.183323] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3441.201003] ================================================================================ [ 3441.227625] ================================================================================ [ 3441.253482] UBSAN: Undefined behaviour in fs/devpts/inode.c:133:11 [ 3441.272245] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3441.299491] which requires 64 byte alignment [ 3441.312769] CPU: 2 PID: 776 Comm: grep Tainted: G L 4.8.11 #1 [ 3441.332723] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3441.364405] 00000000ffffffff 0000000055ac84fc ffff88009e59fb08 ffffffffb26ec5cc [ 3441.385322] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3441.409274] ffffffff00000010 ffff88009e59fb30 ffff88009e59fae0 ffffffffb363c3e0 [ 3441.430518] Call Trace: [ 3441.439282] [] dump_stack+0xd7/0x132 [ 3441.453237] [] ? arch_local_irq_restore+0x1b/0x1b [ 3441.472502] [] ubsan_epilogue+0x12/0x53 [ 3441.489760] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3441.509322] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3441.530445] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3441.550974] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3441.573643] [] ? devpts_remount+0x139/0x139 [ 3441.592254] [] devpts_show_options+0x58/0x20a [ 3441.607813] [] show_vfsmnt+0x374/0x3cf [ 3441.624132] [] ? show_mountinfo+0x846/0x846 [ 3441.643863] [] m_show+0x75/0x7c [ 3441.657462] [] seq_read+0xcc1/0x11ae [ 3441.673610] [] ? seq_hlist_start_percpu+0x228/0x228 [ 3441.691630] [] ? seq_hlist_start_percpu+0x228/0x228 [ 3441.712355] [] __vfs_read+0xc2/0x145 [ 3441.728521] [] vfs_read+0x12a/0x209 [ 3441.744861] [] SyS_read+0xec/0x174 [ 3441.756886] [] ? vfs_copy_file_range+0x485/0x485 [ 3441.774192] [] ? prepare_exit_to_usermode+0x7d/0x1d9 [ 3441.794283] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3441.815264] ================================================================================ [ 3445.083748] ================================================================================ [ 3445.108840] UBSAN: Undefined behaviour in fs/proc/root.c:79:24 [ 3445.126452] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 3445.151971] which requires 64 byte alignment [ 3445.167330] CPU: 3 PID: 899 Comm: mount Tainted: G L 4.8.11 #1 [ 3445.187520] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3445.214414] 00000000ffffffff 00000000017ea1b1 ffff8800a105fc48 ffffffffb26ec5cc [ 3445.242308] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3445.263550] ffffffff00000010 ffff8800a105fc70 ffff8800a105fc20 ffffffffb363c3e0 [ 3445.282836] Call Trace: [ 3445.290744] [] dump_stack+0xd7/0x132 [ 3445.304740] [] ? arch_local_irq_restore+0x1b/0x1b [ 3445.323130] [] ubsan_epilogue+0x12/0x53 [ 3445.335933] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3445.357113] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3445.378694] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3445.397473] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3445.416509] [] ? proc_parse_options+0x2d7/0x2d7 [ 3445.435542] [] proc_remount+0x32/0x67 [ 3445.449427] [] do_remount_sb+0x2fd/0x50c [ 3445.467759] [] do_mount+0x796/0x19df [ 3445.482505] [] ? kasan_kmalloc+0x94/0xa3 [ 3445.496953] [] ? copy_mount_string+0x3d/0x3d [ 3445.512031] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3445.534201] [] ? __check_object_size+0x1e1/0x2b8 [ 3445.552271] [] ? 0xffffffffb1c002b8 [ 3445.567510] [] ? copy_mount_options+0x23d/0x24d [ 3445.586258] [] SyS_mount+0xa3/0xda [ 3445.601477] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3445.622642] ================================================================================ [ 3445.650393] ================================================================================ [ 3445.672385] UBSAN: Undefined behaviour in fs/sync.c:60:8 [ 3445.688820] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 3445.713785] which requires 64 byte alignment [ 3445.727574] CPU: 3 PID: 899 Comm: mount Tainted: G L 4.8.11 #1 [ 3445.745926] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3445.776220] 00000000ffffffff 00000000017ea1b1 ffff8800a105fc10 ffffffffb26ec5cc [ 3445.801654] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3445.824489] ffff880000000010 ffff8800a105fc38 ffff8800a105fbe8 ffffffffb363c3e0 [ 3445.846751] Call Trace: [ 3445.853608] [] dump_stack+0xd7/0x132 [ 3445.871044] [] ? arch_local_irq_restore+0x1b/0x1b [ 3445.892687] [] ubsan_epilogue+0x12/0x53 [ 3445.911138] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3445.928888] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3445.949465] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3445.970770] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3445.992152] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3446.010723] [] ? proc_parse_options+0x2d7/0x2d7 [ 3446.027421] [] sync_filesystem+0x7c/0x26c [ 3446.043138] [] ? proc_remount+0x3e/0x67 [ 3446.057565] [] proc_remount+0x4d/0x67 [ 3446.075796] [] do_remount_sb+0x2fd/0x50c [ 3446.091737] [] do_mount+0x796/0x19df [ 3446.106923] [] ? kasan_kmalloc+0x94/0xa3 [ 3446.122878] [] ? copy_mount_string+0x3d/0x3d [ 3446.139394] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3446.155053] [] ? __check_object_size+0x1e1/0x2b8 [ 3446.173472] [] ? 0xffffffffb1c002b8 [ 3446.192007] [] ? copy_mount_options+0x23d/0x24d [ 3446.210530] [] SyS_mount+0xa3/0xda [ 3446.226760] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3446.245440] ================================================================================ [ 3446.269684] ================================================================================ [ 3446.296292] UBSAN: Undefined behaviour in fs/fs-writeback.c:2295:27 [ 3446.314535] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 3446.341376] which requires 64 byte alignment [ 3446.351571] CPU: 3 PID: 899 Comm: mount Tainted: G L 4.8.11 #1 [ 3446.373331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3446.402951] 00000000ffffffff 00000000017ea1b1 ffff8800a105faa0 ffffffffb26ec5cc [ 3446.425611] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3446.448007] ffff880000000010 ffff8800a105fac8 ffff8800a105fa78 ffffffffb363c3e0 [ 3446.469574] Call Trace: [ 3446.476413] [] dump_stack+0xd7/0x132 [ 3446.491156] [] ? arch_local_irq_restore+0x1b/0x1b [ 3446.508783] [] ubsan_epilogue+0x12/0x53 [ 3446.526937] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3446.546994] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3446.567608] [] __writeback_inodes_sb_nr+0xf9/0x240 [ 3446.586820] [] ? bdi_split_work_to_wbs+0x44a/0x44a [ 3446.605693] [] ? ubsan_epilogue+0x26/0x53 [ 3446.623194] [] ? get_nr_inodes_unused+0x105/0x11c [ 3446.642332] [] ? proc_parse_options+0x2d7/0x2d7 [ 3446.659074] [] writeback_inodes_sb_nr+0x2f/0x31 [ 3446.676053] [] writeback_inodes_sb+0x29/0x2d [ 3446.695473] [] sync_filesystem+0xa3/0x26c [ 3446.709761] [] ? proc_remount+0x3e/0x67 [ 3446.728137] [] proc_remount+0x4d/0x67 [ 3446.743928] [] do_remount_sb+0x2fd/0x50c [ 3446.759978] [] do_mount+0x796/0x19df [ 3446.774177] [] ? kasan_kmalloc+0x94/0xa3 [ 3446.789491] [] ? copy_mount_string+0x3d/0x3d [ 3446.807531] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3446.825174] [] ? __check_object_size+0x1e1/0x2b8 [ 3446.842973] [] ? 0xffffffffb1c002b8 [ 3446.858759] [] ? copy_mount_options+0x23d/0x24d [ 3446.880285] [] SyS_mount+0xa3/0xda [ 3446.895968] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3446.915257] ================================================================================ [ 3446.945694] ================================================================================ [ 3447.004885] UBSAN: Undefined behaviour in fs/sync.c:37:8 [ 3447.052450] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 3447.132061] which requires 64 byte alignment [ 3447.156492] CPU: 3 PID: 899 Comm: mount Tainted: G L 4.8.11 #1 [ 3447.185333] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3447.213231] 00000000ffffffff 00000000017ea1b1 ffff8800a105fc10 ffffffffb26ec5cc [ 3447.237352] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3447.263110] ffff880000000010 ffff8800a105fc38 ffff8800a105fbe8 ffffffffb363c3e0 [ 3447.285660] Call Trace: [ 3447.293620] [] dump_stack+0xd7/0x132 [ 3447.308704] [] ? arch_local_irq_restore+0x1b/0x1b [ 3447.326837] [] ubsan_epilogue+0x12/0x53 [ 3447.346654] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3447.368394] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3447.391248] [] ? proc_parse_options+0x2d7/0x2d7 [ 3447.408117] [] ? writeback_inodes_sb_nr+0x2f/0x31 [ 3447.428119] [] ? proc_parse_options+0x2d7/0x2d7 [ 3447.450635] [] sync_filesystem+0xbc/0x26c [ 3447.469456] [] ? proc_remount+0x3e/0x67 [ 3447.486210] [] proc_remount+0x4d/0x67 [ 3447.502522] [] do_remount_sb+0x2fd/0x50c [ 3447.523550] [] do_mount+0x796/0x19df [ 3447.540328] [] ? kasan_kmalloc+0x94/0xa3 [ 3447.554529] [] ? copy_mount_string+0x3d/0x3d [ 3447.571722] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3447.588909] [] ? __check_object_size+0x1e1/0x2b8 [ 3447.606445] [] ? 0xffffffffb1c002b8 [ 3447.623689] [] ? copy_mount_options+0x23d/0x24d [ 3447.641127] [] SyS_mount+0xa3/0xda [ 3447.654359] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3447.672135] ================================================================================ [ 3447.696671] ================================================================================ [ 3447.719677] UBSAN: Undefined behaviour in fs/sync.c:39:9 [ 3447.734396] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 3447.761387] which requires 64 byte alignment [ 3447.777180] CPU: 3 PID: 899 Comm: mount Tainted: G L 4.8.11 #1 [ 3447.797490] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3447.826573] 00000000ffffffff 00000000017ea1b1 ffff8800a105fc10 ffffffffb26ec5cc [ 3447.847994] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3447.869541] ffff880000000010 ffff8800a105fc38 ffff8800a105fbe8 ffffffffb363c3e0 [ 3447.894868] Call Trace: [ 3447.903695] [] dump_stack+0xd7/0x132 [ 3447.917211] [] ? arch_local_irq_restore+0x1b/0x1b [ 3447.940862] [] ubsan_epilogue+0x12/0x53 [ 3447.954720] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3447.972162] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3447.994296] [] ? proc_parse_options+0x2d7/0x2d7 [ 3448.013507] [] ? writeback_inodes_sb_nr+0x2f/0x31 [ 3448.031383] [] ? proc_parse_options+0x2d7/0x2d7 [ 3448.049338] [] sync_filesystem+0x158/0x26c [ 3448.068016] [] ? proc_remount+0x3e/0x67 [ 3448.085610] [] proc_remount+0x4d/0x67 [ 3448.101365] [] do_remount_sb+0x2fd/0x50c [ 3448.116314] [] do_mount+0x796/0x19df [ 3448.132172] [] ? kasan_kmalloc+0x94/0xa3 [ 3448.148016] [] ? copy_mount_string+0x3d/0x3d [ 3448.166009] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3448.183492] [] ? __check_object_size+0x1e1/0x2b8 [ 3448.204737] [] ? 0xffffffffb1c002b8 [ 3448.217196] [] ? copy_mount_options+0x23d/0x24d [ 3448.236134] [] SyS_mount+0xa3/0xda [ 3448.254012] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3448.271082] ================================================================================ [ 3448.294088] ================================================================================ [ 3448.317139] UBSAN: Undefined behaviour in fs/fs-writeback.c:2392:27 [ 3448.336409] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 3448.365427] which requires 64 byte alignment [ 3448.376178] CPU: 3 PID: 899 Comm: mount Tainted: G L 4.8.11 #1 [ 3448.398369] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3448.425487] 00000000ffffffff 00000000017ea1b1 ffff8800a105faf8 ffffffffb26ec5cc [ 3448.448708] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3448.471322] 0000000000000010 ffff8800a105fb20 ffff8800a105fad0 ffffffffb363c3e0 [ 3448.494303] Call Trace: [ 3448.502659] [] dump_stack+0xd7/0x132 [ 3448.518806] [] ? arch_local_irq_restore+0x1b/0x1b [ 3448.537011] [] ubsan_epilogue+0x12/0x53 [ 3448.551118] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3448.576172] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3448.602754] [] ? proc_parse_options+0x2d7/0x2d7 [ 3448.624285] [] sync_inodes_sb+0xfc/0x1de [ 3448.639861] [] ? try_to_writeback_inodes_sb+0x2d/0x2d [ 3448.660256] [] ? proc_parse_options+0x2d7/0x2d7 [ 3448.679913] [] sync_filesystem+0x18a/0x26c [ 3448.696362] [] ? proc_remount+0x3e/0x67 [ 3448.711328] [] proc_remount+0x4d/0x67 [ 3448.727885] [] do_remount_sb+0x2fd/0x50c [ 3448.742593] [] do_mount+0x796/0x19df [ 3448.756117] [] ? kasan_kmalloc+0x94/0xa3 [ 3448.772724] [] ? copy_mount_string+0x3d/0x3d [ 3448.914072] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3448.934883] [] ? __check_object_size+0x1e1/0x2b8 [ 3448.954857] [] ? 0xffffffffb1c002b8 [ 3448.971900] [] ? copy_mount_options+0x23d/0x24d [ 3448.994793] [] SyS_mount+0xa3/0xda [ 3449.009118] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3449.029408] ================================================================================ [ 3449.053270] ================================================================================ [ 3449.080887] UBSAN: Undefined behaviour in fs/sync.c:37:8 [ 3449.096654] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 3449.123779] which requires 64 byte alignment [ 3449.136525] CPU: 3 PID: 899 Comm: mount Tainted: G L 4.8.11 #1 [ 3449.163187] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3449.192049] 00000000ffffffff 00000000017ea1b1 ffff8800a105fc10 ffffffffb26ec5cc [ 3449.215381] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3449.236805] ffffffff00000010 ffff8800a105fc38 ffff8800a105fbe8 ffffffffb363c3e0 [ 3449.261768] Call Trace: [ 3449.267943] [] dump_stack+0xd7/0x132 [ 3449.284660] [] ? arch_local_irq_restore+0x1b/0x1b [ 3449.303308] [] ubsan_epilogue+0x12/0x53 [ 3449.319971] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3449.339400] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3449.363640] [] ? proc_parse_options+0x2d7/0x2d7 [ 3449.379666] [] sync_filesystem+0x1a3/0x26c [ 3449.398881] [] ? proc_remount+0x3e/0x67 [ 3449.416892] [] proc_remount+0x4d/0x67 [ 3449.434424] [] do_remount_sb+0x2fd/0x50c [ 3449.453308] [] do_mount+0x796/0x19df [ 3449.472268] [] ? kasan_kmalloc+0x94/0xa3 [ 3449.489413] [] ? copy_mount_string+0x3d/0x3d [ 3449.506472] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3449.522912] [] ? __check_object_size+0x1e1/0x2b8 [ 3449.541735] [] ? 0xffffffffb1c002b8 [ 3449.559593] [] ? copy_mount_options+0x23d/0x24d [ 3449.578494] [] SyS_mount+0xa3/0xda [ 3449.593059] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3449.615097] ================================================================================ [ 3449.645001] ================================================================================ [ 3449.671388] UBSAN: Undefined behaviour in fs/sync.c:39:9 [ 3449.687557] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 3449.717271] which requires 64 byte alignment [ 3449.731589] CPU: 3 PID: 899 Comm: mount Tainted: G L 4.8.11 #1 [ 3449.752440] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3449.783403] 00000000ffffffff 00000000017ea1b1 ffff8800a105fc10 ffffffffb26ec5cc [ 3449.805388] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3449.828997] ffff880000000010 ffff8800a105fc38 ffff8800a105fbe8 ffffffffb363c3e0 [ 3449.849305] Call Trace: [ 3449.857272] [] dump_stack+0xd7/0x132 [ 3449.871509] [] ? arch_local_irq_restore+0x1b/0x1b [ 3449.891889] [] ubsan_epilogue+0x12/0x53 [ 3449.908318] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3449.929454] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3449.949158] [] ? proc_parse_options+0x2d7/0x2d7 [ 3449.968476] [] sync_filesystem+0x23e/0x26c [ 3449.985735] [] ? proc_remount+0x3e/0x67 [ 3450.003086] [] proc_remount+0x4d/0x67 [ 3450.018038] [] do_remount_sb+0x2fd/0x50c [ 3450.034777] [] do_mount+0x796/0x19df [ 3450.049731] [] ? kasan_kmalloc+0x94/0xa3 [ 3450.066280] [] ? copy_mount_string+0x3d/0x3d [ 3450.083381] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3450.101681] [] ? __check_object_size+0x1e1/0x2b8 [ 3450.122561] [] ? 0xffffffffb1c002b8 [ 3450.139349] [] ? copy_mount_options+0x23d/0x24d [ 3450.156535] [] SyS_mount+0xa3/0xda [ 3450.172332] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3450.191982] ================================================================================ [ 3450.550141] ================================================================================ [ 3450.577649] UBSAN: Undefined behaviour in fs/kernfs/mount.c:26:29 [ 3450.597155] member access within misaligned address ffff8800a2ee4170 for type 'struct super_block' [ 3450.623085] which requires 64 byte alignment [ 3450.636236] CPU: 0 PID: 910 Comm: mount Tainted: G L 4.8.11 #1 [ 3450.656799] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3450.683856] 00000000ffffffff 000000005c927f6a ffff88005a507c30 ffffffffb26ec5cc [ 3450.707933] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3450.728047] ffffffff00000010 ffff88005a507c58 ffff88005a507c08 ffffffffb363c3e0 [ 3450.750038] Call Trace: [ 3450.758691] [] dump_stack+0xd7/0x132 [ 3450.773269] [] ? arch_local_irq_restore+0x1b/0x1b [ 3450.796600] [] ubsan_epilogue+0x12/0x53 [ 3450.815028] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3450.836322] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3450.862111] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3450.881777] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3450.903938] [] ? version_signature_proc_show+0x2e/0x2e [ 3450.921612] [] kernfs_sop_remount_fs+0x3a/0x10f [ 3450.937630] [] ? suppress_report+0x2b/0x59 [ 3450.955886] [] ? version_signature_proc_show+0x2e/0x2e [ 3450.973277] [] do_remount_sb+0x2fd/0x50c [ 3450.988999] [] do_mount+0x796/0x19df [ 3451.003116] [] ? kasan_kmalloc+0x94/0xa3 [ 3451.023054] [] ? copy_mount_string+0x3d/0x3d [ 3451.038188] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3451.054224] [] ? __check_object_size+0x1e1/0x2b8 [ 3451.073533] [] ? 0xffffffffb1c002b8 [ 3451.089619] [] ? copy_mount_options+0x23d/0x24d [ 3451.106087] [] SyS_mount+0xa3/0xda [ 3451.119754] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3451.138985] ================================================================================ [ 3455.711149] ================================================================================ [ 3455.745402] UBSAN: Undefined behaviour in fs/devpts/inode.c:133:11 [ 3455.766406] member access within misaligned address ffff8800a2ee1c10 for type 'struct super_block' [ 3455.792256] which requires 64 byte alignment [ 3455.806490] CPU: 3 PID: 1085 Comm: mount Tainted: G L 4.8.11 #1 [ 3455.827901] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3455.856477] 00000000ffffffff 0000000015785dcd ffff8800a07c7c48 ffffffffb26ec5cc [ 3455.878413] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3455.901353] ffffffff00000010 ffff8800a07c7c70 ffff8800a07c7c20 ffffffffb363c3e0 [ 3455.923327] Call Trace: [ 3455.928792] [] dump_stack+0xd7/0x132 [ 3455.944089] [] ? arch_local_irq_restore+0x1b/0x1b [ 3455.961205] [] ubsan_epilogue+0x12/0x53 [ 3455.975449] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3455.997464] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3456.021091] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3456.041217] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3456.066310] [] ? parse_mount_options+0x6f1/0x6f1 [ 3456.084633] [] devpts_remount+0x33/0x139 [ 3456.099800] [] do_remount_sb+0x2fd/0x50c [ 3456.116328] [] do_mount+0x796/0x19df [ 3456.132151] [] ? kasan_poison_shadow+0x2f/0x31 [ 3456.147917] [] ? copy_mount_string+0x3d/0x3d [ 3456.165382] [] ? kasan_poison_shadow+0x2f/0x31 [ 3456.182515] [] ? kasan_unpoison_shadow+0x14/0x35 [ 3456.200350] [] ? kasan_kmalloc+0x94/0xa3 [ 3456.217171] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 3456.240113] [] ? 0xffffffffb1c002b8 [ 3456.255991] [] ? copy_mount_options+0x54/0x24d [ 3456.271716] [] ? copy_mount_options+0x23d/0x24d [ 3456.290195] [] ? copy_mount_options+0x19d/0x24d [ 3456.307997] [] SyS_mount+0xa3/0xda [ 3456.320738] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3456.339735] ================================================================================ [....] Activating lvm and md swap...[?25l[?1c7[ ok 8[?25h[?0cdone. [....] Checking file systems...[ 3459.932825] ================================================================================ [ 3459.956478] UBSAN: Undefined behaviour in fs/ext4/inode.c:5139:7 [ 3459.973000] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3460.001209] which requires 64 byte alignment [ 3460.013625] CPU: 3 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3460.038088] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3460.066653] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf810 ffffffffb26ec5cc [ 3460.087128] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3460.110003] 0000000000000010 ffff88009e9bf838 ffff88009e9bf7e8 ffffffffb363c3e0 [ 3460.133244] Call Trace: [ 3460.141011] [] dump_stack+0xd7/0x132 [ 3460.154112] [] ? arch_local_irq_restore+0x1b/0x1b [ 3460.173605] [] ubsan_epilogue+0x12/0x53 [ 3460.188576] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3460.210073] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3460.232072] [] ext4_setattr+0x821/0x11bd [ 3460.245698] [] ? ext4_journalled_write_end+0x894/0x894 [ 3460.267162] [] notify_change+0xa68/0xc5b [ 3460.284358] [] do_truncate+0x165/0x1e5 [ 3460.300746] [] ? do_truncate+0x165/0x1e5 [ 3460.314904] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3460.335519] [] path_openat+0x222a/0x2525 [ 3460.350703] [] ? qlink_to_cache+0x10/0x87 [ 3460.370621] [] ? may_open+0x1c0/0x1c0 [ 3460.385474] [] ? deactivate_slab+0x53d/0x566 [ 3460.402450] [] ? getname_flags+0x4f/0x2e0 [ 3460.418399] [] ? init_object+0x1d6/0x1e2 [ 3460.435154] [] ? expand_files+0x68a/0x6d7 [ 3460.450831] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3460.471487] [] do_filp_open+0xe2/0x18c [ 3460.488811] [] ? path_openat+0x2525/0x2525 [ 3460.504371] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3460.523733] [] ? __alloc_fd+0x43d/0x47f [ 3460.539072] [] ? exit_files+0xaa/0xaa [ 3460.554563] [] do_sys_open+0xf5/0x342 [ 3460.571458] [] ? do_sys_open+0xf5/0x342 [ 3460.590156] [] ? __do_page_fault+0x6d3/0x96b [ 3460.606326] [] ? filp_open+0x68/0x68 [ 3460.622130] [] SyS_open+0x32/0x39 [ 3460.636775] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3460.656005] ================================================================================ [ 3460.680708] ================================================================================ [ 3460.708277] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3460.725470] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3460.754422] which requires 64 byte alignment [ 3460.766003] CPU: 3 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3460.788294] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3460.813664] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf7d0 ffffffffb26ec5cc [ 3460.837174] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3460.859650] ffff880000000010 ffff88009e9bf7f8 ffff88009e9bf7a8 ffffffffb363c3e0 [ 3460.883766] Call Trace: [ 3460.891138] [] dump_stack+0xd7/0x132 [ 3460.905178] [] ? arch_local_irq_restore+0x1b/0x1b [ 3460.924282] [] ubsan_epilogue+0x12/0x53 [ 3460.941750] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3460.959994] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3460.980330] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3461.004234] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3461.025581] [] ext4_begin_ordered_truncate+0x129/0x20b [ 3461.048471] [] ? ext4_setattr+0x958/0x11bd [ 3461.068112] [] ext4_setattr+0x988/0x11bd [ 3461.084799] [] ? ext4_journalled_write_end+0x894/0x894 [ 3461.104285] [] notify_change+0xa68/0xc5b [ 3461.122468] [] do_truncate+0x165/0x1e5 [ 3461.137391] [] ? do_truncate+0x165/0x1e5 [ 3461.155625] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3461.173766] [] path_openat+0x222a/0x2525 [ 3461.190900] [] ? qlink_to_cache+0x10/0x87 [ 3461.208784] [] ? may_open+0x1c0/0x1c0 [ 3461.225290] [] ? deactivate_slab+0x53d/0x566 [ 3461.245415] [] ? getname_flags+0x4f/0x2e0 [ 3461.263045] [] ? init_object+0x1d6/0x1e2 [ 3461.277210] [] ? expand_files+0x68a/0x6d7 [ 3461.293478] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3461.315435] [] do_filp_open+0xe2/0x18c [ 3461.334707] [] ? path_openat+0x2525/0x2525 [ 3461.350764] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3461.370202] [] ? __alloc_fd+0x43d/0x47f [ 3461.388636] [] ? exit_files+0xaa/0xaa [ 3461.402251] [] do_sys_open+0xf5/0x342 [ 3461.417702] [] ? do_sys_open+0xf5/0x342 [ 3461.432399] [] ? __do_page_fault+0x6d3/0x96b [ 3461.452593] [] ? filp_open+0x68/0x68 [ 3461.468202] [] SyS_open+0x32/0x39 [ 3461.483989] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3461.504568] ================================================================================ [ 3461.530373] ================================================================================ [ 3461.552519] UBSAN: Undefined behaviour in fs/ext4/inode.c:133:45 [ 3461.568540] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3461.594577] which requires 64 byte alignment [ 3461.608406] CPU: 3 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3461.631748] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3461.658201] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf7d0 ffffffffb26ec5cc [ 3461.680694] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3461.702438] ffff880000000010 ffff88009e9bf7f8 ffff88009e9bf7a8 ffffffffb363c3e0 [ 3461.724711] Call Trace: [ 3461.732079] [] dump_stack+0xd7/0x132 [ 3461.745201] [] ? arch_local_irq_restore+0x1b/0x1b [ 3461.764241] [] ubsan_epilogue+0x12/0x53 [ 3461.779148] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3461.798831] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3461.818446] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3461.837179] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3461.857022] [] ext4_begin_ordered_truncate+0x155/0x20b [ 3461.879479] [] ? ext4_setattr+0x958/0x11bd [ 3461.895910] [] ext4_setattr+0x988/0x11bd [ 3461.912960] [] ? ext4_journalled_write_end+0x894/0x894 [ 3461.931146] [] notify_change+0xa68/0xc5b [ 3461.946293] [] do_truncate+0x165/0x1e5 [ 3461.962237] [] ? do_truncate+0x165/0x1e5 [ 3461.979175] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3461.999033] [] path_openat+0x222a/0x2525 [ 3462.015471] [] ? qlink_to_cache+0x10/0x87 [ 3462.032702] [] ? may_open+0x1c0/0x1c0 [ 3462.048952] [] ? deactivate_slab+0x53d/0x566 [ 3462.068083] [] ? getname_flags+0x4f/0x2e0 [ 3462.085419] [] ? init_object+0x1d6/0x1e2 [ 3462.100808] [] ? expand_files+0x68a/0x6d7 [ 3462.118681] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3462.141303] [] do_filp_open+0xe2/0x18c [ 3462.155207] [] ? path_openat+0x2525/0x2525 [ 3462.170979] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3462.188794] [] ? __alloc_fd+0x43d/0x47f [ 3462.203439] [] ? exit_files+0xaa/0xaa [ 3462.218147] [] do_sys_open+0xf5/0x342 [ 3462.232554] [] ? do_sys_open+0xf5/0x342 [ 3462.248312] [] ? __do_page_fault+0x6d3/0x96b [ 3462.266168] [] ? filp_open+0x68/0x68 [ 3462.280005] [] SyS_open+0x32/0x39 [ 3462.294466] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3462.313100] ================================================================================ [ 3462.353482] ================================================================================ [ 3462.379902] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3462.393994] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3462.419912] which requires 64 byte alignment [ 3462.433974] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3462.455198] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3462.482440] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf708 ffffffffb26ec5cc [ 3462.504298] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3462.524452] ffffffff00000010 ffff88009e9bf730 ffff88009e9bf6e0 ffffffffb363c3e0 [ 3462.547946] Call Trace: [ 3462.554569] [] dump_stack+0xd7/0x132 [ 3462.567614] [] ? arch_local_irq_restore+0x1b/0x1b [ 3462.586780] [] ubsan_epilogue+0x12/0x53 [ 3462.603145] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3462.619450] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3462.639753] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3462.657984] [] ext4_orphan_add+0xdf/0x6e3 [ 3462.671209] [] ? ext4_empty_dir+0x733/0x733 [ 3462.689221] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3462.708517] [] ext4_setattr+0x10e9/0x11bd [ 3462.724790] [] ? ext4_journalled_write_end+0x894/0x894 [ 3462.743938] [] notify_change+0xa68/0xc5b [ 3462.763663] [] do_truncate+0x165/0x1e5 [ 3462.778890] [] ? do_truncate+0x165/0x1e5 [ 3462.796312] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3462.815210] [] path_openat+0x222a/0x2525 [ 3462.830540] [] ? qlink_to_cache+0x10/0x87 [ 3462.847718] [] ? may_open+0x1c0/0x1c0 [ 3462.863477] [] ? deactivate_slab+0x53d/0x566 [ 3462.882820] [] ? getname_flags+0x4f/0x2e0 [ 3462.899806] [] ? init_object+0x1d6/0x1e2 [ 3462.914688] [] ? expand_files+0x68a/0x6d7 [ 3462.931979] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3462.952116] [] do_filp_open+0xe2/0x18c [ 3462.966225] [] ? path_openat+0x2525/0x2525 [ 3462.984395] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3463.003747] [] ? __alloc_fd+0x43d/0x47f [ 3463.020068] [] ? exit_files+0xaa/0xaa [ 3463.038222] [] do_sys_open+0xf5/0x342 [ 3463.051564] [] ? do_sys_open+0xf5/0x342 [ 3463.071624] [] ? __do_page_fault+0x6d3/0x96b [ 3463.088553] [] ? filp_open+0x68/0x68 [ 3463.106249] [] SyS_open+0x32/0x39 [ 3463.121118] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3463.146173] ================================================================================ [ 3463.173741] ================================================================================ [ 3463.201153] UBSAN: Undefined behaviour in fs/ext4/namei.c:2776:10 [ 3463.219911] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3463.246274] which requires 64 byte alignment [ 3463.259743] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3463.282484] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3463.307565] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf708 ffffffffb26ec5cc [ 3463.329286] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3463.352444] ffffffff00000010 ffff88009e9bf730 ffff88009e9bf6e0 ffffffffb363c3e0 [ 3463.375458] Call Trace: [ 3463.384662] [] dump_stack+0xd7/0x132 [ 3463.396340] [] ? arch_local_irq_restore+0x1b/0x1b [ 3463.415387] [] ubsan_epilogue+0x12/0x53 [ 3463.431752] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3463.450630] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3463.470089] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3463.490335] [] ext4_orphan_add+0x11a/0x6e3 [ 3463.506843] [] ? ext4_empty_dir+0x733/0x733 [ 3463.523294] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3463.539951] [] ext4_setattr+0x10e9/0x11bd [ 3463.556689] [] ? ext4_journalled_write_end+0x894/0x894 [ 3463.572459] [] notify_change+0xa68/0xc5b [ 3463.590559] [] do_truncate+0x165/0x1e5 [ 3463.606728] [] ? do_truncate+0x165/0x1e5 [ 3463.622187] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3463.642424] [] path_openat+0x222a/0x2525 [ 3463.658136] [] ? qlink_to_cache+0x10/0x87 [ 3463.672054] [] ? may_open+0x1c0/0x1c0 [ 3463.687163] [] ? deactivate_slab+0x53d/0x566 [ 3463.702832] [] ? getname_flags+0x4f/0x2e0 [ 3463.717156] [] ? init_object+0x1d6/0x1e2 [ 3463.730060] [] ? expand_files+0x68a/0x6d7 [ 3463.748374] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3463.768540] [] do_filp_open+0xe2/0x18c [ 3463.785081] [] ? path_openat+0x2525/0x2525 [ 3463.801663] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3463.816701] [] ? __alloc_fd+0x43d/0x47f [ 3463.831318] [] ? exit_files+0xaa/0xaa [ 3463.845373] [] do_sys_open+0xf5/0x342 [ 3463.864060] [] ? do_sys_open+0xf5/0x342 [ 3463.878231] [] ? __do_page_fault+0x6d3/0x96b [ 3463.894164] [] ? filp_open+0x68/0x68 [ 3463.908141] [] SyS_open+0x32/0x39 [ 3463.921956] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3463.939843] ================================================================================ [ 3463.961202] ================================================================================ [ 3463.984267] UBSAN: Undefined behaviour in fs/ext4/namei.c:2798:8 [ 3464.000613] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3464.024654] which requires 64 byte alignment [ 3464.038238] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3464.056150] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3464.086958] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf708 ffffffffb26ec5cc [ 3464.106644] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3464.125144] ffffffff00000010 ffff88009e9bf730 ffff88009e9bf6e0 ffffffffb363c3e0 [ 3464.147867] Call Trace: [ 3464.154054] [] dump_stack+0xd7/0x132 [ 3464.168316] [] ? arch_local_irq_restore+0x1b/0x1b [ 3464.188544] [] ubsan_epilogue+0x12/0x53 [ 3464.203783] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3464.223579] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3464.241373] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3464.263719] [] ext4_orphan_add+0x2da/0x6e3 [ 3464.279504] [] ? ext4_empty_dir+0x733/0x733 [ 3464.293382] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3464.313140] [] ext4_setattr+0x10e9/0x11bd [ 3464.329925] [] ? ext4_journalled_write_end+0x894/0x894 [ 3464.346590] [] notify_change+0xa68/0xc5b [ 3464.362990] [] do_truncate+0x165/0x1e5 [ 3464.376656] [] ? do_truncate+0x165/0x1e5 [ 3464.393171] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3464.411370] [] path_openat+0x222a/0x2525 [ 3464.426524] [] ? qlink_to_cache+0x10/0x87 [ 3464.443691] [] ? may_open+0x1c0/0x1c0 [ 3464.459031] [] ? deactivate_slab+0x53d/0x566 [ 3464.473817] [] ? getname_flags+0x4f/0x2e0 [ 3464.492443] [] ? init_object+0x1d6/0x1e2 [ 3464.508778] [] ? expand_files+0x68a/0x6d7 [ 3464.531846] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3464.550689] [] do_filp_open+0xe2/0x18c [ 3464.568226] [] ? path_openat+0x2525/0x2525 [ 3464.584818] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3464.603593] [] ? __alloc_fd+0x43d/0x47f [ 3464.618556] [] ? exit_files+0xaa/0xaa [ 3464.634566] [] do_sys_open+0xf5/0x342 [ 3464.651759] [] ? do_sys_open+0xf5/0x342 [ 3464.665319] [] ? __do_page_fault+0x6d3/0x96b [ 3464.681264] [] ? filp_open+0x68/0x68 [ 3464.693298] [] SyS_open+0x32/0x39 [ 3464.707059] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3464.726917] ================================================================================ [ 3464.753531] ================================================================================ [ 3464.780098] UBSAN: Undefined behaviour in fs/ext4/namei.c:2814:24 [ 3464.795672] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3464.822315] which requires 64 byte alignment [ 3464.838522] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3464.859495] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3464.887864] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf708 ffffffffb26ec5cc [ 3464.908625] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3464.931788] 0000000000000010 ffff88009e9bf730 ffff88009e9bf6e0 ffffffffb363c3e0 [ 3464.951391] Call Trace: [ 3464.958643] [] dump_stack+0xd7/0x132 [ 3464.970963] [] ? arch_local_irq_restore+0x1b/0x1b [ 3464.990125] [] ubsan_epilogue+0x12/0x53 [ 3465.002708] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3465.023441] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3465.045275] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3465.067369] [] ext4_orphan_add+0x3ae/0x6e3 [ 3465.084881] [] ? ext4_empty_dir+0x733/0x733 [ 3465.103122] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3465.119514] [] ext4_setattr+0x10e9/0x11bd [ 3465.136634] [] ? ext4_journalled_write_end+0x894/0x894 [ 3465.154119] [] notify_change+0xa68/0xc5b [ 3465.169635] [] do_truncate+0x165/0x1e5 [ 3465.184413] [] ? do_truncate+0x165/0x1e5 [ 3465.202321] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3465.220291] [] path_openat+0x222a/0x2525 [ 3465.235222] [] ? qlink_to_cache+0x10/0x87 [ 3465.254933] [] ? may_open+0x1c0/0x1c0 [ 3465.270130] [] ? deactivate_slab+0x53d/0x566 [ 3465.287731] [] ? getname_flags+0x4f/0x2e0 [ 3465.304182] [] ? init_object+0x1d6/0x1e2 [ 3465.319855] [] ? expand_files+0x68a/0x6d7 [ 3465.334274] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3465.353301] [] do_filp_open+0xe2/0x18c [ 3465.371735] [] ? path_openat+0x2525/0x2525 [ 3465.391092] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3465.409870] [] ? __alloc_fd+0x43d/0x47f [ 3465.426112] [] ? exit_files+0xaa/0xaa [ 3465.441736] [] do_sys_open+0xf5/0x342 [ 3465.455181] [] ? do_sys_open+0xf5/0x342 [ 3465.473174] [] ? __do_page_fault+0x6d3/0x96b [ 3465.488936] [] ? filp_open+0x68/0x68 [ 3465.505342] [] SyS_open+0x32/0x39 [ 3465.517674] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3465.535730] ================================================================================ [ 3465.561958] ================================================================================ [ 3465.585792] UBSAN: Undefined behaviour in fs/ext4/namei.c:2815:6 [ 3465.602845] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3465.625835] which requires 64 byte alignment [ 3465.640108] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3465.657835] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3465.684140] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf708 ffffffffb26ec5cc [ 3465.705653] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3465.726860] ffffffff00000010 ffff88009e9bf730 ffff88009e9bf6e0 ffffffffb363c3e0 [ 3465.747377] Call Trace: [ 3465.752841] [] dump_stack+0xd7/0x132 [ 3465.768783] [] ? arch_local_irq_restore+0x1b/0x1b [ 3465.788121] [] ubsan_epilogue+0x12/0x53 [ 3465.802490] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3465.821406] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3465.841976] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3465.860442] [] ext4_orphan_add+0x425/0x6e3 [ 3465.874442] [] ? ext4_empty_dir+0x733/0x733 [ 3465.889440] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3465.907097] [] ext4_setattr+0x10e9/0x11bd [ 3465.927666] [] ? ext4_journalled_write_end+0x894/0x894 [ 3465.945682] [] notify_change+0xa68/0xc5b [ 3465.963490] [] do_truncate+0x165/0x1e5 [ 3465.976492] [] ? do_truncate+0x165/0x1e5 [ 3465.990481] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3466.009018] [] path_openat+0x222a/0x2525 [ 3466.027571] [] ? qlink_to_cache+0x10/0x87 [ 3466.044237] [] ? may_open+0x1c0/0x1c0 [ 3466.059878] [] ? deactivate_slab+0x53d/0x566 [ 3466.073857] [] ? getname_flags+0x4f/0x2e0 [ 3466.090348] [] ? init_object+0x1d6/0x1e2 [ 3466.106632] [] ? expand_files+0x68a/0x6d7 [ 3466.120316] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3466.140192] [] do_filp_open+0xe2/0x18c [ 3466.154018] [] ? path_openat+0x2525/0x2525 [ 3466.167221] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3466.184780] [] ? __alloc_fd+0x43d/0x47f [ 3466.199783] [] ? exit_files+0xaa/0xaa [ 3466.213361] [] do_sys_open+0xf5/0x342 [ 3466.227078] [] ? do_sys_open+0xf5/0x342 [ 3466.242955] [] ? __do_page_fault+0x6d3/0x96b [ 3466.258728] [] ? filp_open+0x68/0x68 [ 3466.277567] [] SyS_open+0x32/0x39 [ 3466.290659] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3466.308803] ================================================================================ [ 3466.335178] ================================================================================ [ 3466.368652] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3466.384346] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3466.407301] which requires 64 byte alignment [ 3466.420400] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3466.441701] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3466.467520] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf758 ffffffffb26ec5cc [ 3466.487407] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3466.507497] ffff880000000010 ffff88009e9bf780 ffff88009e9bf730 ffffffffb363c3e0 [ 3466.528434] Call Trace: [ 3466.534304] [] dump_stack+0xd7/0x132 [ 3466.546412] [] ? arch_local_irq_restore+0x1b/0x1b [ 3466.565660] [] ubsan_epilogue+0x12/0x53 [ 3466.579928] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3466.596680] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3466.617127] [] ext4_truncate+0x22d/0x8ce [ 3466.632985] [] ? ext4_punch_hole+0x83e/0x83e [ 3466.648891] [] ext4_setattr+0xdbb/0x11bd [ 3466.662500] [] ? ext4_journalled_write_end+0x894/0x894 [ 3466.678502] [] notify_change+0xa68/0xc5b [ 3466.693409] [] do_truncate+0x165/0x1e5 [ 3466.709703] [] ? do_truncate+0x165/0x1e5 [ 3466.724075] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3466.741987] [] path_openat+0x222a/0x2525 [ 3466.756038] [] ? qlink_to_cache+0x10/0x87 [ 3466.772098] [] ? may_open+0x1c0/0x1c0 [ 3466.787998] [] ? deactivate_slab+0x53d/0x566 [ 3466.803085] [] ? getname_flags+0x4f/0x2e0 [ 3466.816242] [] ? init_object+0x1d6/0x1e2 [ 3466.831720] [] ? expand_files+0x68a/0x6d7 [ 3466.846577] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3466.868016] [] do_filp_open+0xe2/0x18c [ 3466.885456] [] ? path_openat+0x2525/0x2525 [ 3466.904349] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3466.920547] [] ? __alloc_fd+0x43d/0x47f [ 3466.934772] [] ? exit_files+0xaa/0xaa [ 3466.948293] [] do_sys_open+0xf5/0x342 [ 3466.964069] [] ? do_sys_open+0xf5/0x342 [ 3466.978532] [] ? __do_page_fault+0x6d3/0x96b [ 3466.992543] [] ? filp_open+0x68/0x68 [ 3467.008326] [] SyS_open+0x32/0x39 [ 3467.021364] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3467.037698] ================================================================================ [ 3467.060415] ================================================================================ [ 3467.083606] UBSAN: Undefined behaviour in fs/ext4/inode.c:4119:29 [ 3467.099423] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3467.124558] which requires 64 byte alignment [ 3467.135729] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3467.153260] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3467.179154] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf758 ffffffffb26ec5cc [ 3467.202038] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3467.224028] ffffffff00000010 ffff88009e9bf780 ffff88009e9bf730 ffffffffb363c3e0 [ 3467.244074] Call Trace: [ 3467.252875] [] dump_stack+0xd7/0x132 [ 3467.266110] [] ? arch_local_irq_restore+0x1b/0x1b [ 3467.283943] [] ubsan_epilogue+0x12/0x53 [ 3467.297162] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3467.316583] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3467.337458] [] ext4_truncate+0x25c/0x8ce [ 3467.353828] [] ? ext4_punch_hole+0x83e/0x83e [ 3467.370493] [] ext4_setattr+0xdbb/0x11bd [ 3467.386987] [] ? ext4_journalled_write_end+0x894/0x894 [ 3467.405271] [] notify_change+0xa68/0xc5b [ 3467.419164] [] do_truncate+0x165/0x1e5 [ 3467.433194] [] ? do_truncate+0x165/0x1e5 [ 3467.447456] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3467.466334] [] path_openat+0x222a/0x2525 [ 3467.482194] [] ? qlink_to_cache+0x10/0x87 [ 3467.495912] [] ? may_open+0x1c0/0x1c0 [ 3467.511072] [] ? deactivate_slab+0x53d/0x566 [ 3467.524969] [] ? getname_flags+0x4f/0x2e0 [ 3467.541472] [] ? init_object+0x1d6/0x1e2 [ 3467.557777] [] ? expand_files+0x68a/0x6d7 [ 3467.572612] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3467.591393] [] do_filp_open+0xe2/0x18c [ 3467.606995] [] ? path_openat+0x2525/0x2525 [ 3467.623182] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3467.641500] [] ? __alloc_fd+0x43d/0x47f [ 3467.657604] [] ? exit_files+0xaa/0xaa [ 3467.670307] [] do_sys_open+0xf5/0x342 [ 3467.683925] [] ? do_sys_open+0xf5/0x342 [ 3467.699642] [] ? __do_page_fault+0x6d3/0x96b [ 3467.713241] [] ? filp_open+0x68/0x68 [ 3467.728978] [] SyS_open+0x32/0x39 [ 3467.741075] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3467.759423] ================================================================================ [ 3467.780542] ================================================================================ [ 3467.804244] UBSAN: Undefined behaviour in fs/ext4/inode.c:4131:34 [ 3467.819308] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3467.845171] which requires 64 byte alignment [ 3467.856347] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3467.872711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3467.898020] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf758 ffffffffb26ec5cc [ 3467.918636] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3467.939649] ffffffff00000010 ffff88009e9bf780 ffff88009e9bf730 ffffffffb363c3e0 [ 3467.959361] Call Trace: [ 3467.965160] [] dump_stack+0xd7/0x132 [ 3467.979202] [] ? arch_local_irq_restore+0x1b/0x1b [ 3467.996430] [] ubsan_epilogue+0x12/0x53 [ 3468.010847] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3468.030264] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3468.048417] [] ext4_truncate+0x334/0x8ce [ 3468.062708] [] ? ext4_punch_hole+0x83e/0x83e [ 3468.080184] [] ext4_setattr+0xdbb/0x11bd [ 3468.094639] [] ? ext4_journalled_write_end+0x894/0x894 [ 3468.113749] [] notify_change+0xa68/0xc5b [ 3468.128385] [] do_truncate+0x165/0x1e5 [ 3468.144305] [] ? do_truncate+0x165/0x1e5 [ 3468.160684] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3468.179719] [] path_openat+0x222a/0x2525 [ 3468.192588] [] ? qlink_to_cache+0x10/0x87 [ 3468.207793] [] ? may_open+0x1c0/0x1c0 [ 3468.221056] [] ? deactivate_slab+0x53d/0x566 [ 3468.236349] [] ? getname_flags+0x4f/0x2e0 [ 3468.253842] [] ? init_object+0x1d6/0x1e2 [ 3468.267708] [] ? expand_files+0x68a/0x6d7 [ 3468.286144] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3468.304640] [] do_filp_open+0xe2/0x18c [ 3468.321190] [] ? path_openat+0x2525/0x2525 [ 3468.335859] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3468.354566] [] ? __alloc_fd+0x43d/0x47f [ 3468.368656] [] ? exit_files+0xaa/0xaa [ 3468.382759] [] do_sys_open+0xf5/0x342 [ 3468.395955] [] ? do_sys_open+0xf5/0x342 [ 3468.411687] [] ? __do_page_fault+0x6d3/0x96b [ 3468.426782] [] ? filp_open+0x68/0x68 [ 3468.442055] [] SyS_open+0x32/0x39 [ 3468.452797] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3468.471751] ================================================================================ [ 3468.493256] ================================================================================ [ 3468.516285] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3468.531795] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3468.557219] which requires 64 byte alignment [ 3468.567765] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3468.588872] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3468.614249] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf730 ffffffffb26ec5cc [ 3468.635189] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3468.659701] fffffbff00000010 ffff88009e9bf758 ffff88009e9bf708 ffffffffb363c3e0 [ 3468.679724] Call Trace: [ 3468.686572] [] dump_stack+0xd7/0x132 [ 3468.703345] [] ? arch_local_irq_restore+0x1b/0x1b [ 3468.718380] [] ubsan_epilogue+0x12/0x53 [ 3468.731766] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3468.752552] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3468.772510] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3468.789711] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3468.811306] [] ext4_writepage_trans_blocks+0x56/0xfd [ 3468.828258] [] ext4_truncate+0x372/0x8ce [ 3468.844143] [] ? ext4_punch_hole+0x83e/0x83e [ 3468.859777] [] ext4_setattr+0xdbb/0x11bd [ 3468.875276] [] ? ext4_journalled_write_end+0x894/0x894 [ 3468.896523] [] notify_change+0xa68/0xc5b [ 3468.910284] [] do_truncate+0x165/0x1e5 [ 3468.926847] [] ? do_truncate+0x165/0x1e5 [ 3468.939924] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3468.960813] [] path_openat+0x222a/0x2525 [ 3468.977064] [] ? qlink_to_cache+0x10/0x87 [ 3468.990293] [] ? may_open+0x1c0/0x1c0 [ 3469.006117] [] ? deactivate_slab+0x53d/0x566 [ 3469.022296] [] ? getname_flags+0x4f/0x2e0 [ 3469.035959] [] ? init_object+0x1d6/0x1e2 [ 3469.051369] [] ? expand_files+0x68a/0x6d7 [ 3469.066934] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3469.086243] [] do_filp_open+0xe2/0x18c [ 3469.102306] [] ? path_openat+0x2525/0x2525 [ 3469.116746] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3469.137631] [] ? __alloc_fd+0x43d/0x47f [ 3469.153128] [] ? exit_files+0xaa/0xaa [ 3469.166939] [] do_sys_open+0xf5/0x342 [ 3469.182311] [] ? do_sys_open+0xf5/0x342 [ 3469.195940] [] ? __do_page_fault+0x6d3/0x96b [ 3469.211097] [] ? filp_open+0x68/0x68 [ 3469.225301] [] SyS_open+0x32/0x39 [ 3469.239584] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3469.257940] ================================================================================ [ 3469.282644] ================================================================================ [ 3469.307157] UBSAN: Undefined behaviour in fs/ext4/ext4_jbd2.h:358:6 [ 3469.322175] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3469.345177] which requires 64 byte alignment [ 3469.356705] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3469.378478] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3469.408854] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf730 ffffffffb26ec5cc [ 3469.427086] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3469.448147] ffff880000000010 ffff88009e9bf758 ffff88009e9bf708 ffffffffb363c3e0 [ 3469.473715] Call Trace: [ 3469.481076] [] dump_stack+0xd7/0x132 [ 3469.493626] [] ? arch_local_irq_restore+0x1b/0x1b [ 3469.511654] [] ubsan_epilogue+0x12/0x53 [ 3469.527770] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3469.545314] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3469.566088] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3469.584083] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3469.604169] [] ext4_writepage_trans_blocks+0x83/0xfd [ 3469.621781] [] ext4_truncate+0x372/0x8ce [ 3469.635629] [] ? ext4_punch_hole+0x83e/0x83e [ 3469.654109] [] ext4_setattr+0xdbb/0x11bd [ 3469.667439] [] ? ext4_journalled_write_end+0x894/0x894 [ 3469.685648] [] notify_change+0xa68/0xc5b [ 3469.701621] [] do_truncate+0x165/0x1e5 [ 3469.717207] [] ? do_truncate+0x165/0x1e5 [ 3469.731902] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3469.750081] [] path_openat+0x222a/0x2525 [ 3469.767688] [] ? qlink_to_cache+0x10/0x87 [ 3469.783213] [] ? may_open+0x1c0/0x1c0 [ 3469.796342] [] ? deactivate_slab+0x53d/0x566 [ 3469.813808] [] ? getname_flags+0x4f/0x2e0 [ 3469.830202] [] ? init_object+0x1d6/0x1e2 [ 3469.849118] [] ? expand_files+0x68a/0x6d7 [ 3469.863868] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3469.882569] [] do_filp_open+0xe2/0x18c [ 3469.896214] [] ? path_openat+0x2525/0x2525 [ 3469.911100] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3469.928685] [] ? __alloc_fd+0x43d/0x47f [ 3469.946465] [] ? exit_files+0xaa/0xaa [ 3469.963869] [] do_sys_open+0xf5/0x342 [ 3469.979576] [] ? do_sys_open+0xf5/0x342 [ 3469.991716] [] ? __do_page_fault+0x6d3/0x96b [ 3470.008114] [] ? filp_open+0x68/0x68 [ 3470.021805] [] SyS_open+0x32/0x39 [ 3470.034735] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3470.055442] ================================================================================ [ 3470.075200] ================================================================================ [ 3470.102523] UBSAN: Undefined behaviour in fs/jbd2/journal.c:2230:39 [ 3470.116444] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3470.143026] which requires 64 byte alignment [ 3470.155644] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3470.175837] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3470.200434] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf718 ffffffffb26ec5cc [ 3470.224070] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3470.246296] 1ffff10000000010 ffff88009e9bf740 ffff88009e9bf6f0 ffffffffb363c3e0 [ 3470.266919] Call Trace: [ 3470.274507] [] dump_stack+0xd7/0x132 [ 3470.286612] [] ? arch_local_irq_restore+0x1b/0x1b [ 3470.304736] [] ubsan_epilogue+0x12/0x53 [ 3470.317518] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3470.339095] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3470.360899] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3470.379572] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3470.399468] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3470.416704] [] jbd2_journal_blocks_per_page+0x51/0x94 [ 3470.434847] [] ext4_writepage_trans_blocks+0xaa/0xfd [ 3470.456472] [] ext4_truncate+0x372/0x8ce [ 3470.471998] [] ? ext4_punch_hole+0x83e/0x83e [ 3470.488735] [] ext4_setattr+0xdbb/0x11bd [ 3470.505299] [] ? ext4_journalled_write_end+0x894/0x894 [ 3470.522545] [] notify_change+0xa68/0xc5b [ 3470.538876] [] do_truncate+0x165/0x1e5 [ 3470.550626] [] ? do_truncate+0x165/0x1e5 [ 3470.565876] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3470.585363] [] path_openat+0x222a/0x2525 [ 3470.597139] [] ? qlink_to_cache+0x10/0x87 [ 3470.614961] [] ? may_open+0x1c0/0x1c0 [ 3470.628883] [] ? deactivate_slab+0x53d/0x566 [ 3470.642852] [] ? getname_flags+0x4f/0x2e0 [ 3470.658772] [] ? init_object+0x1d6/0x1e2 [ 3470.675082] [] ? expand_files+0x68a/0x6d7 [ 3470.691147] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3470.708475] [] do_filp_open+0xe2/0x18c [ 3470.725777] [] ? path_openat+0x2525/0x2525 [ 3470.739309] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3470.759145] [] ? __alloc_fd+0x43d/0x47f [ 3470.772777] [] ? exit_files+0xaa/0xaa [ 3470.786626] [] do_sys_open+0xf5/0x342 [ 3470.801665] [] ? do_sys_open+0xf5/0x342 [ 3470.816430] [] ? __do_page_fault+0x6d3/0x96b [ 3470.835002] [] ? filp_open+0x68/0x68 [ 3470.847661] [] SyS_open+0x32/0x39 [ 3470.862761] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3470.884510] ================================================================================ [ 3470.908521] ================================================================================ [ 3470.931632] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3470.947895] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3470.971597] which requires 64 byte alignment [ 3470.982898] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3471.003953] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3471.028968] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf6e0 ffffffffb26ec5cc [ 3471.050806] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3471.071518] ffff880000000010 ffff88009e9bf708 ffff88009e9bf6b8 ffffffffb363c3e0 [ 3471.090664] Call Trace: [ 3471.097347] [] dump_stack+0xd7/0x132 [ 3471.112533] [] ? arch_local_irq_restore+0x1b/0x1b [ 3471.128814] [] ubsan_epilogue+0x12/0x53 [ 3471.145119] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3471.164090] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3471.184031] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3471.202701] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3471.222895] [] ext4_meta_trans_blocks+0x67/0x2a8 [ 3471.239099] [] ext4_writepage_trans_blocks+0xbd/0xfd [ 3471.259527] [] ext4_truncate+0x372/0x8ce [ 3471.271880] [] ? ext4_punch_hole+0x83e/0x83e [ 3471.288529] [] ext4_setattr+0xdbb/0x11bd [ 3471.304018] [] ? ext4_journalled_write_end+0x894/0x894 [ 3471.324481] [] notify_change+0xa68/0xc5b [ 3471.341763] [] do_truncate+0x165/0x1e5 [ 3471.356937] [] ? do_truncate+0x165/0x1e5 [ 3471.373123] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3471.390131] [] path_openat+0x222a/0x2525 [ 3471.406706] [] ? qlink_to_cache+0x10/0x87 [ 3471.423238] [] ? may_open+0x1c0/0x1c0 [ 3471.436419] [] ? deactivate_slab+0x53d/0x566 [ 3471.453963] [] ? getname_flags+0x4f/0x2e0 [ 3471.467092] [] ? init_object+0x1d6/0x1e2 [ 3471.485480] [] ? expand_files+0x68a/0x6d7 [ 3471.502935] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3471.525126] [] do_filp_open+0xe2/0x18c [ 3471.541335] [] ? path_openat+0x2525/0x2525 [ 3471.556269] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3471.573862] [] ? __alloc_fd+0x43d/0x47f [ 3471.588953] [] ? exit_files+0xaa/0xaa [ 3471.603787] [] do_sys_open+0xf5/0x342 [ 3471.616994] [] ? do_sys_open+0xf5/0x342 [ 3471.631162] [] ? __do_page_fault+0x6d3/0x96b [ 3471.648488] [] ? filp_open+0x68/0x68 [ 3471.663280] [] SyS_open+0x32/0x39 [ 3471.675829] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3471.690718] ================================================================================ [ 3471.712940] ================================================================================ [ 3471.735189] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2827:15 [ 3471.751749] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3471.774548] which requires 64 byte alignment [ 3471.785888] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3471.805628] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3471.829418] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf6e0 ffffffffb26ec5cc [ 3471.852629] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3471.872167] ffff880000000010 ffff88009e9bf708 ffff88009e9bf6b8 ffffffffb363c3e0 [ 3471.889920] Call Trace: [ 3471.897291] [] dump_stack+0xd7/0x132 [ 3471.911507] [] ? arch_local_irq_restore+0x1b/0x1b [ 3471.928967] [] ubsan_epilogue+0x12/0x53 [ 3471.944414] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3471.963374] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3471.988858] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3472.019924] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3472.041059] [] ext4_meta_trans_blocks+0x94/0x2a8 [ 3472.062897] [] ext4_writepage_trans_blocks+0xbd/0xfd [ 3472.086583] [] ext4_truncate+0x372/0x8ce [ 3472.109632] [] ? ext4_punch_hole+0x83e/0x83e [ 3472.130914] [] ext4_setattr+0xdbb/0x11bd [ 3472.150506] [] ? ext4_journalled_write_end+0x894/0x894 [ 3472.175193] [] notify_change+0xa68/0xc5b [ 3472.197996] [] do_truncate+0x165/0x1e5 [ 3472.222438] [] ? do_truncate+0x165/0x1e5 [ 3472.240830] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3472.261538] [] path_openat+0x222a/0x2525 [ 3472.278081] [] ? qlink_to_cache+0x10/0x87 [ 3472.295590] [] ? may_open+0x1c0/0x1c0 [ 3472.309115] [] ? deactivate_slab+0x53d/0x566 [ 3472.324117] [] ? getname_flags+0x4f/0x2e0 [ 3472.342970] [] ? init_object+0x1d6/0x1e2 [ 3472.356709] [] ? expand_files+0x68a/0x6d7 [ 3472.374497] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3472.393028] [] do_filp_open+0xe2/0x18c [ 3472.408527] [] ? path_openat+0x2525/0x2525 [ 3472.427780] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3472.445778] [] ? __alloc_fd+0x43d/0x47f [ 3472.462911] [] ? exit_files+0xaa/0xaa [ 3472.480582] [] do_sys_open+0xf5/0x342 [ 3472.493532] [] ? do_sys_open+0xf5/0x342 [ 3472.508954] [] ? __do_page_fault+0x6d3/0x96b [ 3472.525538] [] ? filp_open+0x68/0x68 [ 3472.541784] [] SyS_open+0x32/0x39 [ 3472.559103] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3472.576898] ================================================================================ [ 3472.603041] ================================================================================ [ 3472.625546] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3472.642608] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3472.667278] which requires 64 byte alignment [ 3472.678774] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3472.714957] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3472.744720] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf6e0 ffffffffb26ec5cc [ 3472.767612] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3472.788588] ffff880000000010 ffff88009e9bf708 ffff88009e9bf6b8 ffffffffb363c3e0 [ 3472.809404] Call Trace: [ 3472.815770] [] dump_stack+0xd7/0x132 [ 3472.838728] [] ? arch_local_irq_restore+0x1b/0x1b [ 3472.854454] [] ubsan_epilogue+0x12/0x53 [ 3472.871900] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3472.887772] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3472.907081] [] ext4_meta_trans_blocks+0x14e/0x2a8 [ 3472.927125] [] ext4_writepage_trans_blocks+0xbd/0xfd [ 3472.944704] [] ext4_truncate+0x372/0x8ce [ 3472.960551] [] ? ext4_punch_hole+0x83e/0x83e [ 3472.977595] [] ext4_setattr+0xdbb/0x11bd [ 3472.993130] [] ? ext4_journalled_write_end+0x894/0x894 [ 3473.017774] [] notify_change+0xa68/0xc5b [ 3473.034734] [] do_truncate+0x165/0x1e5 [ 3473.055343] [] ? do_truncate+0x165/0x1e5 [ 3473.072839] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3473.092905] [] path_openat+0x222a/0x2525 [ 3473.107158] [] ? qlink_to_cache+0x10/0x87 [ 3473.121838] [] ? may_open+0x1c0/0x1c0 [ 3473.135465] [] ? deactivate_slab+0x53d/0x566 [ 3473.153764] [] ? getname_flags+0x4f/0x2e0 [ 3473.170737] [] ? init_object+0x1d6/0x1e2 [ 3473.186534] [] ? expand_files+0x68a/0x6d7 [ 3473.201989] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3473.219704] [] do_filp_open+0xe2/0x18c [ 3473.232464] [] ? path_openat+0x2525/0x2525 [ 3473.251448] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3473.267617] [] ? __alloc_fd+0x43d/0x47f [ 3473.285820] [] ? exit_files+0xaa/0xaa [ 3473.301257] [] do_sys_open+0xf5/0x342 [ 3473.314964] [] ? do_sys_open+0xf5/0x342 [ 3473.329970] [] ? __do_page_fault+0x6d3/0x96b [ 3473.345821] [] ? filp_open+0x68/0x68 [ 3473.363482] [] SyS_open+0x32/0x39 [ 3473.375496] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3473.392292] ================================================================================ [ 3473.416733] ================================================================================ [ 3473.441826] UBSAN: Undefined behaviour in fs/ext4/inode.c:5313:35 [ 3473.458731] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3473.483909] which requires 64 byte alignment [ 3473.493614] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3473.514219] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3473.541385] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf6e0 ffffffffb26ec5cc [ 3473.559860] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3473.581243] ffff880000000010 ffff88009e9bf708 ffff88009e9bf6b8 ffffffffb363c3e0 [ 3473.599718] Call Trace: [ 3473.606173] [] dump_stack+0xd7/0x132 [ 3473.623729] [] ? arch_local_irq_restore+0x1b/0x1b [ 3473.638685] [] ubsan_epilogue+0x12/0x53 [ 3473.654003] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3473.673997] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3473.692225] [] ext4_meta_trans_blocks+0x17b/0x2a8 [ 3473.707980] [] ext4_writepage_trans_blocks+0xbd/0xfd [ 3473.727128] [] ext4_truncate+0x372/0x8ce [ 3473.741846] [] ? ext4_punch_hole+0x83e/0x83e [ 3473.757216] [] ext4_setattr+0xdbb/0x11bd [ 3473.771120] [] ? ext4_journalled_write_end+0x894/0x894 [ 3473.790016] [] notify_change+0xa68/0xc5b [ 3473.803664] [] do_truncate+0x165/0x1e5 [ 3473.815948] [] ? do_truncate+0x165/0x1e5 [ 3473.833827] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3473.855062] [] path_openat+0x222a/0x2525 [ 3473.868879] [] ? qlink_to_cache+0x10/0x87 [ 3473.886195] [] ? may_open+0x1c0/0x1c0 [ 3473.898702] [] ? deactivate_slab+0x53d/0x566 [ 3473.916054] [] ? getname_flags+0x4f/0x2e0 [ 3473.932640] [] ? init_object+0x1d6/0x1e2 [ 3473.948110] [] ? expand_files+0x68a/0x6d7 [ 3473.963727] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3473.983638] [] do_filp_open+0xe2/0x18c [ 3473.997646] [] ? path_openat+0x2525/0x2525 [ 3474.011106] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3474.027944] [] ? __alloc_fd+0x43d/0x47f [ 3474.040554] [] ? exit_files+0xaa/0xaa [ 3474.056289] [] do_sys_open+0xf5/0x342 [ 3474.068018] [] ? do_sys_open+0xf5/0x342 [ 3474.084806] [] ? __do_page_fault+0x6d3/0x96b [ 3474.101610] [] ? filp_open+0x68/0x68 [ 3474.114228] [] SyS_open+0x32/0x39 [ 3474.128654] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3474.151406] ================================================================================ [ 3474.176159] ================================================================================ [ 3474.195226] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3474.215107] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3474.241243] which requires 64 byte alignment [ 3474.252531] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3474.270231] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3474.295450] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf6e0 ffffffffb26ec5cc [ 3474.315695] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3474.338728] ffff880000000010 ffff88009e9bf708 ffff88009e9bf6b8 ffffffffb363c3e0 [ 3474.357455] Call Trace: [ 3474.363700] [] dump_stack+0xd7/0x132 [ 3474.379790] [] ? arch_local_irq_restore+0x1b/0x1b [ 3474.395508] [] ubsan_epilogue+0x12/0x53 [ 3474.412800] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3474.432059] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3474.452210] [] ext4_meta_trans_blocks+0x22d/0x2a8 [ 3474.470333] [] ext4_writepage_trans_blocks+0xbd/0xfd [ 3474.489172] [] ext4_truncate+0x372/0x8ce [ 3474.507055] [] ? ext4_punch_hole+0x83e/0x83e [ 3474.523870] [] ext4_setattr+0xdbb/0x11bd [ 3474.546501] [] ? ext4_journalled_write_end+0x894/0x894 [ 3474.566909] [] notify_change+0xa68/0xc5b [ 3474.584960] [] do_truncate+0x165/0x1e5 [ 3474.602367] [] ? do_truncate+0x165/0x1e5 [ 3474.614565] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3474.635120] [] path_openat+0x222a/0x2525 [ 3474.650368] [] ? qlink_to_cache+0x10/0x87 [ 3474.665621] [] ? may_open+0x1c0/0x1c0 [ 3474.683815] [] ? deactivate_slab+0x53d/0x566 [ 3474.700958] [] ? getname_flags+0x4f/0x2e0 [ 3474.717542] [] ? init_object+0x1d6/0x1e2 [ 3474.733549] [] ? expand_files+0x68a/0x6d7 [ 3474.750501] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3474.768817] [] do_filp_open+0xe2/0x18c [ 3474.785353] [] ? path_openat+0x2525/0x2525 [ 3474.799028] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3474.815535] [] ? __alloc_fd+0x43d/0x47f [ 3474.829980] [] ? exit_files+0xaa/0xaa [ 3474.845018] [] do_sys_open+0xf5/0x342 [ 3474.862849] [] ? do_sys_open+0xf5/0x342 [ 3474.875248] [] ? __do_page_fault+0x6d3/0x96b [ 3474.893386] [] ? filp_open+0x68/0x68 [ 3474.908419] [] SyS_open+0x32/0x39 [ 3474.923508] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3474.939669] ================================================================================ [ 3474.961974] ================================================================================ [ 3474.984733] UBSAN: Undefined behaviour in fs/ext4/inode.c:5320:9 [ 3474.999335] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3475.024335] which requires 64 byte alignment [ 3475.034245] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3475.054009] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3475.083220] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf6e0 ffffffffb26ec5cc [ 3475.102769] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3475.124651] ffff880000000010 ffff88009e9bf708 ffff88009e9bf6b8 ffffffffb363c3e0 [ 3475.145162] Call Trace: [ 3475.152089] [] dump_stack+0xd7/0x132 [ 3475.167007] [] ? arch_local_irq_restore+0x1b/0x1b [ 3475.184838] [] ubsan_epilogue+0x12/0x53 [ 3475.199148] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3475.217634] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3475.238018] [] ext4_meta_trans_blocks+0x247/0x2a8 [ 3475.253466] [] ext4_writepage_trans_blocks+0xbd/0xfd [ 3475.273201] [] ext4_truncate+0x372/0x8ce [ 3475.287060] [] ? ext4_punch_hole+0x83e/0x83e [ 3475.304136] [] ext4_setattr+0xdbb/0x11bd [ 3475.320630] [] ? ext4_journalled_write_end+0x894/0x894 [ 3475.340838] [] notify_change+0xa68/0xc5b [ 3475.354682] [] do_truncate+0x165/0x1e5 [ 3475.370223] [] ? do_truncate+0x165/0x1e5 [ 3475.386722] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3475.404227] [] path_openat+0x222a/0x2525 [ 3475.419149] [] ? qlink_to_cache+0x10/0x87 [ 3475.434558] [] ? may_open+0x1c0/0x1c0 [ 3475.450066] [] ? deactivate_slab+0x53d/0x566 [ 3475.468484] [] ? getname_flags+0x4f/0x2e0 [ 3475.485661] [] ? init_object+0x1d6/0x1e2 [ 3475.502786] [] ? expand_files+0x68a/0x6d7 [ 3475.515279] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3475.538201] [] do_filp_open+0xe2/0x18c [ 3475.580420] [] ? path_openat+0x2525/0x2525 [ 3475.599616] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3475.617939] [] ? __alloc_fd+0x43d/0x47f [ 3475.630350] [] ? exit_files+0xaa/0xaa [ 3475.646115] [] do_sys_open+0xf5/0x342 [ 3475.662591] [] ? do_sys_open+0xf5/0x342 [ 3475.676933] [] ? __do_page_fault+0x6d3/0x96b [ 3475.704906] [] ? filp_open+0x68/0x68 [ 3475.718522] [] SyS_open+0x32/0x39 [ 3475.735026] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3475.753171] ================================================================================ [ 3475.776421] ================================================================================ [ 3475.801229] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3475.815675] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3475.841093] which requires 64 byte alignment [ 3475.851889] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3475.877860] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3475.902530] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf6c8 ffffffffb26ec5cc [ 3475.925187] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3475.944807] 1ffff10000000010 ffff88009e9bf6f0 ffff88009e9bf6a0 ffffffffb363c3e0 [ 3475.966845] Call Trace: [ 3475.975517] [] dump_stack+0xd7/0x132 [ 3475.988525] [] ? arch_local_irq_restore+0x1b/0x1b [ 3476.004734] [] ubsan_epilogue+0x12/0x53 [ 3476.019290] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3476.039067] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3476.059191] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3476.079795] [] ext4_has_feature_quota+0x26/0x8d [ 3476.100973] [] ext4_meta_trans_blocks+0x285/0x2a8 [ 3476.116265] [] ext4_writepage_trans_blocks+0xbd/0xfd [ 3476.135319] [] ext4_truncate+0x372/0x8ce [ 3476.150345] [] ? ext4_punch_hole+0x83e/0x83e [ 3476.167908] [] ext4_setattr+0xdbb/0x11bd [ 3476.182860] [] ? ext4_journalled_write_end+0x894/0x894 [ 3476.199275] [] notify_change+0xa68/0xc5b [ 3476.212641] [] do_truncate+0x165/0x1e5 [ 3476.227415] [] ? do_truncate+0x165/0x1e5 [ 3476.242806] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3476.262855] [] path_openat+0x222a/0x2525 [ 3476.279927] [] ? qlink_to_cache+0x10/0x87 [ 3476.294436] [] ? may_open+0x1c0/0x1c0 [ 3476.308128] [] ? deactivate_slab+0x53d/0x566 [ 3476.325270] [] ? getname_flags+0x4f/0x2e0 [ 3476.338827] [] ? init_object+0x1d6/0x1e2 [ 3476.353154] [] ? expand_files+0x68a/0x6d7 [ 3476.369810] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3476.390149] [] do_filp_open+0xe2/0x18c [ 3476.405193] [] ? path_openat+0x2525/0x2525 [ 3476.419552] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3476.435417] [] ? __alloc_fd+0x43d/0x47f [ 3476.450146] [] ? exit_files+0xaa/0xaa [ 3476.466657] [] do_sys_open+0xf5/0x342 [ 3476.480054] [] ? do_sys_open+0xf5/0x342 [ 3476.494120] [] ? __do_page_fault+0x6d3/0x96b [ 3476.509705] [] ? filp_open+0x68/0x68 [ 3476.523557] [] SyS_open+0x32/0x39 [ 3476.534861] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3476.553692] ================================================================================ [ 3476.578104] ================================================================================ [ 3476.601817] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1769:1 [ 3476.617060] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3476.642748] which requires 64 byte alignment [ 3476.654431] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3476.673028] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3476.699352] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf6c8 ffffffffb26ec5cc [ 3476.724401] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3476.742680] ffffffff00000010 ffff88009e9bf6f0 ffff88009e9bf6a0 ffffffffb363c3e0 [ 3476.764583] Call Trace: [ 3476.771105] [] dump_stack+0xd7/0x132 [ 3476.783089] [] ? arch_local_irq_restore+0x1b/0x1b [ 3476.800557] [] ubsan_epilogue+0x12/0x53 [ 3476.815999] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3476.833651] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3476.853736] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3476.874950] [] ext4_has_feature_quota+0x52/0x8d [ 3476.891240] [] ext4_meta_trans_blocks+0x285/0x2a8 [ 3476.910194] [] ext4_writepage_trans_blocks+0xbd/0xfd [ 3476.928829] [] ext4_truncate+0x372/0x8ce [ 3476.942692] [] ? ext4_punch_hole+0x83e/0x83e [ 3476.960113] [] ext4_setattr+0xdbb/0x11bd [ 3476.974353] [] ? ext4_journalled_write_end+0x894/0x894 [ 3476.991513] [] notify_change+0xa68/0xc5b [ 3477.006613] [] do_truncate+0x165/0x1e5 [ 3477.024455] [] ? do_truncate+0x165/0x1e5 [ 3477.037443] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3477.059154] [] path_openat+0x222a/0x2525 [ 3477.074819] [] ? qlink_to_cache+0x10/0x87 [ 3477.087367] [] ? may_open+0x1c0/0x1c0 [ 3477.102908] [] ? deactivate_slab+0x53d/0x566 [ 3477.116278] [] ? getname_flags+0x4f/0x2e0 [ 3477.133459] [] ? init_object+0x1d6/0x1e2 [ 3477.148251] [] ? expand_files+0x68a/0x6d7 [ 3477.165568] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3477.183299] [] do_filp_open+0xe2/0x18c [ 3477.197875] [] ? path_openat+0x2525/0x2525 [ 3477.211741] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3477.231159] [] ? __alloc_fd+0x43d/0x47f [ 3477.248215] [] ? exit_files+0xaa/0xaa [ 3477.262703] [] do_sys_open+0xf5/0x342 [ 3477.275622] [] ? do_sys_open+0xf5/0x342 [ 3477.290103] [] ? __do_page_fault+0x6d3/0x96b [ 3477.306433] [] ? filp_open+0x68/0x68 [ 3477.321558] [] SyS_open+0x32/0x39 [ 3477.334600] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3477.352671] ================================================================================ [ 3477.380977] ================================================================================ [ 3477.405138] UBSAN: Undefined behaviour in fs/ext4/inode.c:4147:34 [ 3477.421756] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3477.445954] which requires 64 byte alignment [ 3477.458497] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3477.477273] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3477.503138] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf758 ffffffffb26ec5cc [ 3477.523360] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3477.543686] ffffffff00000010 ffff88009e9bf780 ffff88009e9bf730 ffffffffb363c3e0 [ 3477.564877] Call Trace: [ 3477.570281] [] dump_stack+0xd7/0x132 [ 3477.583186] [] ? arch_local_irq_restore+0x1b/0x1b [ 3477.600545] [] ubsan_epilogue+0x12/0x53 [ 3477.616200] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3477.635742] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3477.657537] [] ext4_truncate+0x48b/0x8ce [ 3477.671189] [] ? ext4_punch_hole+0x83e/0x83e [ 3477.687038] [] ext4_setattr+0xdbb/0x11bd [ 3477.701752] [] ? ext4_journalled_write_end+0x894/0x894 [ 3477.723438] [] notify_change+0xa68/0xc5b [ 3477.737836] [] do_truncate+0x165/0x1e5 [ 3477.753292] [] ? do_truncate+0x165/0x1e5 [ 3477.771416] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3477.788482] [] path_openat+0x222a/0x2525 [ 3477.803853] [] ? qlink_to_cache+0x10/0x87 [ 3477.823806] [] ? may_open+0x1c0/0x1c0 [ 3477.836820] [] ? deactivate_slab+0x53d/0x566 [ 3477.854391] [] ? getname_flags+0x4f/0x2e0 [ 3477.869732] [] ? init_object+0x1d6/0x1e2 [ 3477.885288] [] ? expand_files+0x68a/0x6d7 [ 3477.901450] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3477.919813] [] do_filp_open+0xe2/0x18c [ 3477.933759] [] ? path_openat+0x2525/0x2525 [ 3477.949698] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3477.964782] [] ? __alloc_fd+0x43d/0x47f [ 3477.978882] [] ? exit_files+0xaa/0xaa [ 3477.991625] [] do_sys_open+0xf5/0x342 [ 3478.003515] [] ? do_sys_open+0xf5/0x342 [ 3478.017650] [] ? __do_page_fault+0x6d3/0x96b [ 3478.031815] [] ? filp_open+0x68/0x68 [ 3478.046988] [] SyS_open+0x32/0x39 [ 3478.058758] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3478.075163] ================================================================================ [ 3478.098356] ================================================================================ [ 3478.121717] UBSAN: Undefined behaviour in fs/ext4/extents.c:4650:34 [ 3478.137802] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3478.162855] which requires 64 byte alignment [ 3478.177040] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3478.197178] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3478.222394] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf710 ffffffffb26ec5cc [ 3478.243075] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3478.263235] ffff880000000010 ffff88009e9bf738 ffff88009e9bf6e8 ffffffffb363c3e0 [ 3478.282320] Call Trace: [ 3478.287906] [] dump_stack+0xd7/0x132 [ 3478.302633] [] ? arch_local_irq_restore+0x1b/0x1b [ 3478.320196] [] ubsan_epilogue+0x12/0x53 [ 3478.335066] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3478.356771] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3478.379738] [] ? _cond_resched+0x19/0x23 [ 3478.395153] [] ? down_write+0xb3/0xea [ 3478.410922] [] ext4_ext_truncate+0xf5/0x244 [ 3478.428674] [] ext4_truncate+0x5ba/0x8ce [ 3478.444033] [] ? ext4_punch_hole+0x83e/0x83e [ 3478.458549] [] ext4_setattr+0xdbb/0x11bd [ 3478.473494] [] ? ext4_journalled_write_end+0x894/0x894 [ 3478.489184] [] notify_change+0xa68/0xc5b [ 3478.505368] [] do_truncate+0x165/0x1e5 [ 3478.519511] [] ? do_truncate+0x165/0x1e5 [ 3478.532832] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3478.553850] [] path_openat+0x222a/0x2525 [ 3478.571105] [] ? qlink_to_cache+0x10/0x87 [ 3478.586017] [] ? may_open+0x1c0/0x1c0 [ 3478.601819] [] ? deactivate_slab+0x53d/0x566 [ 3478.619852] [] ? getname_flags+0x4f/0x2e0 [ 3478.633611] [] ? init_object+0x1d6/0x1e2 [ 3478.650480] [] ? expand_files+0x68a/0x6d7 [ 3478.669654] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3478.689800] [] do_filp_open+0xe2/0x18c [ 3478.705883] [] ? path_openat+0x2525/0x2525 [ 3478.726400] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3478.745081] [] ? __alloc_fd+0x43d/0x47f [ 3478.761551] [] ? exit_files+0xaa/0xaa [ 3478.773966] [] do_sys_open+0xf5/0x342 [ 3478.788049] [] ? do_sys_open+0xf5/0x342 [ 3478.805167] [] ? __do_page_fault+0x6d3/0x96b [ 3478.820927] [] ? filp_open+0x68/0x68 [ 3478.836859] [] SyS_open+0x32/0x39 [ 3478.851302] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3478.869990] ================================================================================ [ 3478.898913] ================================================================================ [ 3478.922542] UBSAN: Undefined behaviour in fs/ext4/extents.c:4651:7 [ 3478.938693] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3478.961256] which requires 64 byte alignment [ 3478.973704] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3478.996157] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3479.033140] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf710 ffffffffb26ec5cc [ 3479.054244] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3479.075598] ffff880000000010 ffff88009e9bf738 ffff88009e9bf6e8 ffffffffb363c3e0 [ 3479.095234] Call Trace: [ 3479.104236] [] dump_stack+0xd7/0x132 [ 3479.115727] [] ? arch_local_irq_restore+0x1b/0x1b [ 3479.135038] [] ubsan_epilogue+0x12/0x53 [ 3479.153303] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3479.169739] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3479.190110] [] ? _cond_resched+0x19/0x23 [ 3479.205605] [] ? down_write+0xb3/0xea [ 3479.220748] [] ext4_ext_truncate+0x121/0x244 [ 3479.235711] [] ext4_truncate+0x5ba/0x8ce [ 3479.253350] [] ? ext4_punch_hole+0x83e/0x83e [ 3479.270787] [] ext4_setattr+0xdbb/0x11bd [ 3479.283658] [] ? ext4_journalled_write_end+0x894/0x894 [ 3479.300947] [] notify_change+0xa68/0xc5b [ 3479.313763] [] do_truncate+0x165/0x1e5 [ 3479.330287] [] ? do_truncate+0x165/0x1e5 [ 3479.344937] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3479.364547] [] path_openat+0x222a/0x2525 [ 3479.381517] [] ? qlink_to_cache+0x10/0x87 [ 3479.397715] [] ? may_open+0x1c0/0x1c0 [ 3479.411435] [] ? deactivate_slab+0x53d/0x566 [ 3479.429686] [] ? getname_flags+0x4f/0x2e0 [ 3479.446434] [] ? init_object+0x1d6/0x1e2 [ 3479.460029] [] ? expand_files+0x68a/0x6d7 [ 3479.474692] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3479.491671] [] do_filp_open+0xe2/0x18c [ 3479.506035] [] ? path_openat+0x2525/0x2525 [ 3479.520852] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3479.538918] [] ? __alloc_fd+0x43d/0x47f [ 3479.553107] [] ? exit_files+0xaa/0xaa [ 3479.566852] [] do_sys_open+0xf5/0x342 [ 3479.581932] [] ? do_sys_open+0xf5/0x342 [ 3479.597955] [] ? __do_page_fault+0x6d3/0x96b [ 3479.612483] [] ? filp_open+0x68/0x68 [ 3479.630782] [] SyS_open+0x32/0x39 [ 3479.643689] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3479.662224] ================================================================================ [ 3479.685284] ================================================================================ [ 3479.711662] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3479.731114] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3479.756630] which requires 64 byte alignment [ 3479.766186] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3479.785141] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3479.810282] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf470 ffffffffb26ec5cc [ 3479.832567] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3479.854225] 1ffff10000000010 ffff88009e9bf498 ffff88009e9bf448 ffffffffb363c3e0 [ 3479.920402] Call Trace: [ 3479.944492] [] dump_stack+0xd7/0x132 [ 3479.966876] [] ? arch_local_irq_restore+0x1b/0x1b [ 3479.995510] [] ubsan_epilogue+0x12/0x53 [ 3480.011951] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3480.033117] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3480.055531] [] ? print_time+0xb0/0xbc [ 3480.072384] [] ext4_ext_remove_space+0x131/0x2d74 [ 3480.092885] [] ? __es_insert_extent+0xb3d/0xb3d [ 3480.110122] [] ? vprintk_default+0x65/0x6e [ 3480.125892] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3480.148625] [] ? ubsan_epilogue+0x26/0x53 [ 3480.163594] [] ? arch_local_irq_restore+0x6/0xd [ 3480.179939] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3480.200629] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3480.216644] [] ? _cond_resched+0x19/0x23 [ 3480.233292] [] ? down_write+0xb3/0xea [ 3480.249729] [] ext4_ext_truncate+0x1ed/0x244 [ 3480.267625] [] ext4_truncate+0x5ba/0x8ce [ 3480.282534] [] ? ext4_punch_hole+0x83e/0x83e [ 3480.300611] [] ext4_setattr+0xdbb/0x11bd [ 3480.314333] [] ? ext4_journalled_write_end+0x894/0x894 [ 3480.332850] [] notify_change+0xa68/0xc5b [ 3480.347955] [] do_truncate+0x165/0x1e5 [ 3480.364812] [] ? do_truncate+0x165/0x1e5 [ 3480.380278] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3480.399192] [] path_openat+0x222a/0x2525 [ 3480.416044] [] ? qlink_to_cache+0x10/0x87 [ 3480.430144] [] ? may_open+0x1c0/0x1c0 [ 3480.447457] [] ? deactivate_slab+0x53d/0x566 [ 3480.462022] [] ? getname_flags+0x4f/0x2e0 [ 3480.478822] [] ? init_object+0x1d6/0x1e2 [ 3480.497185] [] ? expand_files+0x68a/0x6d7 [ 3480.514232] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3480.534667] [] do_filp_open+0xe2/0x18c [ 3480.552382] [] ? path_openat+0x2525/0x2525 [ 3480.569597] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3480.586288] [] ? __alloc_fd+0x43d/0x47f [ 3480.600887] [] ? exit_files+0xaa/0xaa [ 3480.614894] [] do_sys_open+0xf5/0x342 [ 3480.632379] [] ? do_sys_open+0xf5/0x342 [ 3480.650091] [] ? __do_page_fault+0x6d3/0x96b [ 3480.666821] [] ? filp_open+0x68/0x68 [ 3480.683734] [] SyS_open+0x32/0x39 [ 3480.695601] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3480.714170] ================================================================================ [ 3480.739363] ================================================================================ [ 3480.766839] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3480.783148] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3480.807038] which requires 64 byte alignment [ 3480.818009] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3480.843820] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3480.869872] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf470 ffffffffb26ec5cc [ 3480.891284] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3480.911194] 0000000000000010 ffff88009e9bf498 ffff88009e9bf448 ffffffffb363c3e0 [ 3480.939325] Call Trace: [ 3480.946627] [] dump_stack+0xd7/0x132 [ 3480.959586] [] ? arch_local_irq_restore+0x1b/0x1b [ 3480.978115] [] ubsan_epilogue+0x12/0x53 [ 3480.991865] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3481.010134] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3481.029958] [] ext4_ext_remove_space+0xbba/0x2d74 [ 3481.049924] [] ? __es_insert_extent+0xb3d/0xb3d [ 3481.068846] [] ? vprintk_default+0x65/0x6e [ 3481.084748] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3481.102960] [] ? arch_local_irq_restore+0x6/0xd [ 3481.116797] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3481.135700] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3481.153819] [] ? _cond_resched+0x19/0x23 [ 3481.169912] [] ? down_write+0xb3/0xea [ 3481.183967] [] ext4_ext_truncate+0x1ed/0x244 [ 3481.199258] [] ext4_truncate+0x5ba/0x8ce [ 3481.215669] [] ? ext4_punch_hole+0x83e/0x83e [ 3481.231845] [] ext4_setattr+0xdbb/0x11bd [ 3481.247834] [] ? ext4_journalled_write_end+0x894/0x894 [ 3481.267644] [] notify_change+0xa68/0xc5b [ 3481.282536] [] do_truncate+0x165/0x1e5 [ 3481.298617] [] ? do_truncate+0x165/0x1e5 [ 3481.312488] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3481.330694] [] path_openat+0x222a/0x2525 [ 3481.349087] [] ? qlink_to_cache+0x10/0x87 [ 3481.365876] [] ? may_open+0x1c0/0x1c0 [ 3481.380330] [] ? deactivate_slab+0x53d/0x566 [ 3481.396117] [] ? getname_flags+0x4f/0x2e0 [ 3481.410092] [] ? init_object+0x1d6/0x1e2 [ 3481.426233] [] ? expand_files+0x68a/0x6d7 [ 3481.440571] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3481.458253] [] do_filp_open+0xe2/0x18c [ 3481.475169] [] ? path_openat+0x2525/0x2525 [ 3481.492470] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3481.510140] [] ? __alloc_fd+0x43d/0x47f [ 3481.526281] [] ? exit_files+0xaa/0xaa [ 3481.538902] [] do_sys_open+0xf5/0x342 [ 3481.554481] [] ? do_sys_open+0xf5/0x342 [ 3481.567506] [] ? __do_page_fault+0x6d3/0x96b [ 3481.585051] [] ? filp_open+0x68/0x68 [ 3481.596607] [] SyS_open+0x32/0x39 [ 3481.610655] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3481.627898] ================================================================================ [ 3481.650721] ================================================================================ [ 3481.673654] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3481.692697] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3481.715843] which requires 64 byte alignment [ 3481.728941] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3481.748870] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3481.774951] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf470 ffffffffb26ec5cc [ 3481.794288] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3481.813921] ffff880000000010 ffff88009e9bf498 ffff88009e9bf448 ffffffffb363c3e0 [ 3481.835485] Call Trace: [ 3481.845246] [] dump_stack+0xd7/0x132 [ 3481.856973] [] ? arch_local_irq_restore+0x1b/0x1b [ 3481.875514] [] ubsan_epilogue+0x12/0x53 [ 3481.890288] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3481.907588] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3481.929140] [] ext4_ext_remove_space+0x1157/0x2d74 [ 3481.949056] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3481.964050] [] ? arch_local_irq_restore+0x6/0xd [ 3481.980173] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3481.996873] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3482.011855] [] ? _cond_resched+0x19/0x23 [ 3482.027472] [] ? down_write+0xb3/0xea [ 3482.041458] [] ext4_ext_truncate+0x1ed/0x244 [ 3482.055785] [] ext4_truncate+0x5ba/0x8ce [ 3482.072491] [] ? ext4_punch_hole+0x83e/0x83e [ 3482.086957] [] ext4_setattr+0xdbb/0x11bd [ 3482.104833] [] ? ext4_journalled_write_end+0x894/0x894 [ 3482.128141] [] notify_change+0xa68/0xc5b [ 3482.145223] [] do_truncate+0x165/0x1e5 [ 3482.158505] [] ? do_truncate+0x165/0x1e5 [ 3482.175994] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3482.192673] [] path_openat+0x222a/0x2525 [ 3482.207141] [] ? qlink_to_cache+0x10/0x87 [ 3482.222886] [] ? may_open+0x1c0/0x1c0 [ 3482.235381] [] ? deactivate_slab+0x53d/0x566 [ 3482.253530] [] ? getname_flags+0x4f/0x2e0 [ 3482.269114] [] ? init_object+0x1d6/0x1e2 [ 3482.286100] [] ? expand_files+0x68a/0x6d7 [ 3482.302188] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3482.318661] [] do_filp_open+0xe2/0x18c [ 3482.334944] [] ? path_openat+0x2525/0x2525 [ 3482.348957] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3482.366900] [] ? __alloc_fd+0x43d/0x47f [ 3482.381150] [] ? exit_files+0xaa/0xaa [ 3482.394520] [] do_sys_open+0xf5/0x342 [ 3482.407911] [] ? do_sys_open+0xf5/0x342 [ 3482.421768] [] ? __do_page_fault+0x6d3/0x96b [ 3482.440868] [] ? filp_open+0x68/0x68 [ 3482.473768] [] SyS_open+0x32/0x39 [ 3482.486236] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3482.505461] ================================================================================ [ 3482.529273] ================================================================================ [ 3482.556979] UBSAN: Undefined behaviour in fs/ext4/extents.c:2707:30 [ 3482.584823] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3482.608079] which requires 64 byte alignment [ 3482.620357] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3482.645738] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3482.672005] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf470 ffffffffb26ec5cc [ 3482.694281] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3482.716052] ffff880000000010 ffff88009e9bf498 ffff88009e9bf448 ffffffffb363c3e0 [ 3482.734517] Call Trace: [ 3482.745192] [] dump_stack+0xd7/0x132 [ 3482.757446] [] ? arch_local_irq_restore+0x1b/0x1b [ 3482.776850] [] ubsan_epilogue+0x12/0x53 [ 3482.793537] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3482.815428] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3482.834825] [] ext4_ext_remove_space+0x1186/0x2d74 [ 3482.854135] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3482.876926] [] ? arch_local_irq_restore+0x6/0xd [ 3482.896997] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3482.914797] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3482.949339] [] ? _cond_resched+0x19/0x23 [ 3482.966302] [] ? down_write+0xb3/0xea [ 3482.982958] [] ext4_ext_truncate+0x1ed/0x244 [ 3483.001587] [] ext4_truncate+0x5ba/0x8ce [ 3483.016946] [] ? ext4_punch_hole+0x83e/0x83e [ 3483.033240] [] ext4_setattr+0xdbb/0x11bd [ 3483.051886] [] ? ext4_journalled_write_end+0x894/0x894 [ 3483.071853] [] notify_change+0xa68/0xc5b [ 3483.101060] [] do_truncate+0x165/0x1e5 [ 3483.115864] [] ? do_truncate+0x165/0x1e5 [ 3483.130638] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3483.150617] [] path_openat+0x222a/0x2525 [ 3483.165317] [] ? qlink_to_cache+0x10/0x87 [ 3483.183046] [] ? may_open+0x1c0/0x1c0 [ 3483.198901] [] ? deactivate_slab+0x53d/0x566 [ 3483.212834] [] ? getname_flags+0x4f/0x2e0 [ 3483.229757] [] ? init_object+0x1d6/0x1e2 [ 3483.244264] [] ? expand_files+0x68a/0x6d7 [ 3483.261113] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3483.280579] [] do_filp_open+0xe2/0x18c [ 3483.297445] [] ? path_openat+0x2525/0x2525 [ 3483.314182] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3483.332101] [] ? __alloc_fd+0x43d/0x47f [ 3483.348699] [] ? exit_files+0xaa/0xaa [ 3483.360832] [] do_sys_open+0xf5/0x342 [ 3483.374860] [] ? do_sys_open+0xf5/0x342 [ 3483.389821] [] ? __do_page_fault+0x6d3/0x96b [ 3483.404621] [] ? filp_open+0x68/0x68 [ 3483.417555] [] SyS_open+0x32/0x39 [ 3483.429840] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3483.460977] ================================================================================ [ 3483.487594] ================================================================================ [ 3483.514431] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3483.532091] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3483.554431] which requires 64 byte alignment [ 3483.565421] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3483.582532] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3483.607539] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf470 ffffffffb26ec5cc [ 3483.629436] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3483.650119] ffff880000000010 ffff88009e9bf498 ffff88009e9bf448 ffffffffb363c3e0 [ 3483.669684] Call Trace: [ 3483.676973] [] dump_stack+0xd7/0x132 [ 3483.690599] [] ? arch_local_irq_restore+0x1b/0x1b [ 3483.709303] [] ubsan_epilogue+0x12/0x53 [ 3483.723156] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3483.743377] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3483.761719] [] ext4_ext_remove_space+0x128b/0x2d74 [ 3483.779385] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3483.799188] [] ? arch_local_irq_restore+0x6/0xd [ 3483.826971] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3483.845439] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3483.864282] [] ? _cond_resched+0x19/0x23 [ 3483.879297] [] ? down_write+0xb3/0xea [ 3483.894543] [] ext4_ext_truncate+0x1ed/0x244 [ 3483.911794] [] ext4_truncate+0x5ba/0x8ce [ 3483.929321] [] ? ext4_punch_hole+0x83e/0x83e [ 3483.946513] [] ext4_setattr+0xdbb/0x11bd [ 3483.960856] [] ? ext4_journalled_write_end+0x894/0x894 [ 3483.978522] [] notify_change+0xa68/0xc5b [ 3483.994711] [] do_truncate+0x165/0x1e5 [ 3484.008868] [] ? do_truncate+0x165/0x1e5 [ 3484.026635] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3484.047316] [] path_openat+0x222a/0x2525 [ 3484.062644] [] ? qlink_to_cache+0x10/0x87 [ 3484.078141] [] ? may_open+0x1c0/0x1c0 [ 3484.094095] [] ? deactivate_slab+0x53d/0x566 [ 3484.110361] [] ? getname_flags+0x4f/0x2e0 [ 3484.131990] [] ? init_object+0x1d6/0x1e2 [ 3484.148130] [] ? expand_files+0x68a/0x6d7 [ 3484.162458] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3484.182292] [] do_filp_open+0xe2/0x18c [ 3484.196169] [] ? path_openat+0x2525/0x2525 [ 3484.230243] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3484.284251] [] ? __alloc_fd+0x43d/0x47f [ 3484.316725] [] ? exit_files+0xaa/0xaa [ 3484.332579] [] do_sys_open+0xf5/0x342 [ 3484.348687] [] ? do_sys_open+0xf5/0x342 [ 3484.428217] [] ? __do_page_fault+0x6d3/0x96b [ 3484.446057] [] ? filp_open+0x68/0x68 [ 3484.458268] [] SyS_open+0x32/0x39 [ 3484.472560] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3484.489327] ================================================================================ [ 3484.515233] ================================================================================ [ 3484.543780] UBSAN: Undefined behaviour in fs/ext4/extents.c:2712:14 [ 3484.559309] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3484.583732] which requires 64 byte alignment [ 3484.595381] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3484.614495] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3484.640369] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf470 ffffffffb26ec5cc [ 3484.663637] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3484.685570] ffff880000000010 ffff88009e9bf498 ffff88009e9bf448 ffffffffb363c3e0 [ 3484.707527] Call Trace: [ 3484.713055] [] dump_stack+0xd7/0x132 [ 3484.727779] [] ? arch_local_irq_restore+0x1b/0x1b [ 3484.745974] [] ubsan_epilogue+0x12/0x53 [ 3484.761414] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3484.779859] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3484.800756] [] ext4_ext_remove_space+0x12b8/0x2d74 [ 3484.816843] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3484.835903] [] ? arch_local_irq_restore+0x6/0xd [ 3484.854110] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3484.871566] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3484.892190] [] ? _cond_resched+0x19/0x23 [ 3484.906631] [] ? down_write+0xb3/0xea [ 3484.925142] [] ext4_ext_truncate+0x1ed/0x244 [ 3484.940744] [] ext4_truncate+0x5ba/0x8ce [ 3484.955573] [] ? ext4_punch_hole+0x83e/0x83e [ 3484.974327] [] ext4_setattr+0xdbb/0x11bd [ 3484.992062] [] ? ext4_journalled_write_end+0x894/0x894 [ 3485.010217] [] notify_change+0xa68/0xc5b [ 3485.026508] [] do_truncate+0x165/0x1e5 [ 3485.040898] [] ? do_truncate+0x165/0x1e5 [ 3485.053915] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3485.074725] [] path_openat+0x222a/0x2525 [ 3485.088925] [] ? qlink_to_cache+0x10/0x87 [ 3485.104813] [] ? may_open+0x1c0/0x1c0 [ 3485.123450] [] ? deactivate_slab+0x53d/0x566 [ 3485.138126] [] ? getname_flags+0x4f/0x2e0 [ 3485.155813] [] ? init_object+0x1d6/0x1e2 [ 3485.170199] [] ? expand_files+0x68a/0x6d7 [ 3485.184850] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3485.203724] [] do_filp_open+0xe2/0x18c [ 3485.223754] [] ? path_openat+0x2525/0x2525 [ 3485.237647] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3485.256401] [] ? __alloc_fd+0x43d/0x47f [ 3485.273067] [] ? exit_files+0xaa/0xaa [ 3485.287898] [] do_sys_open+0xf5/0x342 [ 3485.302193] [] ? do_sys_open+0xf5/0x342 [ 3485.317372] [] ? __do_page_fault+0x6d3/0x96b [ 3485.333867] [] ? filp_open+0x68/0x68 [ 3485.350207] [] SyS_open+0x32/0x39 [ 3485.364204] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3485.383200] ================================================================================ [ 3485.413289] ================================================================================ [ 3485.434919] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3485.452960] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3485.478032] which requires 64 byte alignment [ 3485.492199] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3485.511026] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3485.535313] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf470 ffffffffb26ec5cc [ 3485.556262] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3485.583771] ffff880000000010 ffff88009e9bf498 ffff88009e9bf448 ffffffffb363c3e0 [ 3485.606985] Call Trace: [ 3485.619281] [] dump_stack+0xd7/0x132 [ 3485.636202] [] ? arch_local_irq_restore+0x1b/0x1b [ 3485.660962] [] ubsan_epilogue+0x12/0x53 [ 3485.679431] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3485.700380] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3485.719249] [] ext4_ext_remove_space+0x1317/0x2d74 [ 3485.737669] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3485.757374] [] ? arch_local_irq_restore+0x6/0xd [ 3485.774087] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3485.792445] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3485.808255] [] ? _cond_resched+0x19/0x23 [ 3485.825114] [] ? down_write+0xb3/0xea [ 3485.837610] [] ext4_ext_truncate+0x1ed/0x244 [ 3485.853973] [] ext4_truncate+0x5ba/0x8ce [ 3485.869501] [] ? ext4_punch_hole+0x83e/0x83e [ 3485.888926] [] ext4_setattr+0xdbb/0x11bd [ 3485.902833] [] ? ext4_journalled_write_end+0x894/0x894 [ 3485.923133] [] notify_change+0xa68/0xc5b [ 3485.937155] [] do_truncate+0x165/0x1e5 [ 3485.953511] [] ? do_truncate+0x165/0x1e5 [ 3485.969700] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3485.986073] [] path_openat+0x222a/0x2525 [ 3486.000385] [] ? qlink_to_cache+0x10/0x87 [ 3486.014351] [] ? may_open+0x1c0/0x1c0 [ 3486.027713] [] ? deactivate_slab+0x53d/0x566 [ 3486.043520] [] ? getname_flags+0x4f/0x2e0 [ 3486.056262] [] ? init_object+0x1d6/0x1e2 [ 3486.073530] [] ? expand_files+0x68a/0x6d7 [ 3486.090995] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3486.107616] [] do_filp_open+0xe2/0x18c [ 3486.121304] [] ? path_openat+0x2525/0x2525 [ 3486.142653] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3486.159725] [] ? __alloc_fd+0x43d/0x47f [ 3486.176846] [] ? exit_files+0xaa/0xaa [ 3486.195067] [] do_sys_open+0xf5/0x342 [ 3486.209546] [] ? do_sys_open+0xf5/0x342 [ 3486.228100] [] ? __do_page_fault+0x6d3/0x96b [ 3486.242541] [] ? filp_open+0x68/0x68 [ 3486.256304] [] SyS_open+0x32/0x39 [ 3486.272535] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3486.289759] ================================================================================ [ 3486.316256] ================================================================================ [ 3486.346338] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1769:1 [ 3486.363850] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3486.385584] which requires 64 byte alignment [ 3486.396009] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3486.415581] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3486.441690] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf470 ffffffffb26ec5cc [ 3486.459567] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3486.482494] ffff880000000010 ffff88009e9bf498 ffff88009e9bf448 ffffffffb363c3e0 [ 3486.501809] Call Trace: [ 3486.507894] [] dump_stack+0xd7/0x132 [ 3486.524867] [] ? arch_local_irq_restore+0x1b/0x1b [ 3486.541988] [] ubsan_epilogue+0x12/0x53 [ 3486.558039] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3486.577937] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3486.599073] [] ext4_ext_remove_space+0x1331/0x2d74 [ 3486.616215] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3486.636070] [] ? arch_local_irq_restore+0x6/0xd [ 3486.654470] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3486.672199] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3486.688468] [] ? _cond_resched+0x19/0x23 [ 3486.701523] [] ? down_write+0xb3/0xea [ 3486.714567] [] ext4_ext_truncate+0x1ed/0x244 [ 3486.729862] [] ext4_truncate+0x5ba/0x8ce [ 3486.746467] [] ? ext4_punch_hole+0x83e/0x83e [ 3486.760861] [] ext4_setattr+0xdbb/0x11bd [ 3486.777001] [] ? ext4_journalled_write_end+0x894/0x894 [ 3486.797142] [] notify_change+0xa68/0xc5b [ 3486.811771] [] do_truncate+0x165/0x1e5 [ 3486.825952] [] ? do_truncate+0x165/0x1e5 [ 3486.840328] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3486.856781] [] path_openat+0x222a/0x2525 [ 3486.871635] [] ? qlink_to_cache+0x10/0x87 [ 3486.887245] [] ? may_open+0x1c0/0x1c0 [ 3486.903156] [] ? deactivate_slab+0x53d/0x566 [ 3486.919746] [] ? getname_flags+0x4f/0x2e0 [ 3486.932665] [] ? init_object+0x1d6/0x1e2 [ 3486.948670] [] ? expand_files+0x68a/0x6d7 [ 3486.965618] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3486.985102] [] do_filp_open+0xe2/0x18c [ 3486.998757] [] ? path_openat+0x2525/0x2525 [ 3487.013257] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3487.030594] [] ? __alloc_fd+0x43d/0x47f [ 3487.045806] [] ? exit_files+0xaa/0xaa [ 3487.063478] [] do_sys_open+0xf5/0x342 [ 3487.075885] [] ? do_sys_open+0xf5/0x342 [ 3487.092782] [] ? __do_page_fault+0x6d3/0x96b [ 3487.107974] [] ? filp_open+0x68/0x68 [ 3487.123186] [] SyS_open+0x32/0x39 [ 3487.136014] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3487.154372] ================================================================================ [ 3487.185417] ================================================================================ [ 3487.209436] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3487.227364] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3487.250416] which requires 64 byte alignment [ 3487.261050] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3487.281175] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3487.308136] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf3f8 ffffffffb26ec5cc [ 3487.328430] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3487.348276] ffffffff00000010 ffff88009e9bf420 ffff88009e9bf3d0 ffffffffb363c3e0 [ 3487.370634] Call Trace: [ 3487.375983] [] dump_stack+0xd7/0x132 [ 3487.389328] [] ? arch_local_irq_restore+0x1b/0x1b [ 3487.410085] [] ubsan_epilogue+0x12/0x53 [ 3487.431968] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3487.457653] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3487.478122] [] ? jbd2_journal_extend+0x479/0x48b [ 3487.494918] [] ext4_truncate_restart_trans+0x5f/0x10a [ 3487.513904] [] ? jbd2_journal_extend+0xb7/0x48b [ 3487.529775] [] ext4_ext_truncate_extend_restart.part.14+0xd8/0xf9 [ 3487.553204] [] ? ext4_ext_remove_space+0x1362/0x2d74 [ 3487.571384] [] ext4_ext_remove_space+0x2984/0x2d74 [ 3487.585364] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3487.603750] [] ? arch_local_irq_restore+0x6/0xd [ 3487.620166] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3487.635145] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3487.653411] [] ? _cond_resched+0x19/0x23 [ 3487.670478] [] ? down_write+0xb3/0xea [ 3487.685257] [] ext4_ext_truncate+0x1ed/0x244 [ 3487.700880] [] ext4_truncate+0x5ba/0x8ce [ 3487.713720] [] ? ext4_punch_hole+0x83e/0x83e [ 3487.728869] [] ext4_setattr+0xdbb/0x11bd [ 3487.744765] [] ? ext4_journalled_write_end+0x894/0x894 [ 3487.762144] [] notify_change+0xa68/0xc5b [ 3487.776811] [] do_truncate+0x165/0x1e5 [ 3487.789354] [] ? do_truncate+0x165/0x1e5 [ 3487.804762] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3487.823778] [] path_openat+0x222a/0x2525 [ 3487.835851] [] ? qlink_to_cache+0x10/0x87 [ 3487.851790] [] ? may_open+0x1c0/0x1c0 [ 3487.866438] [] ? deactivate_slab+0x53d/0x566 [ 3487.882265] [] ? getname_flags+0x4f/0x2e0 [ 3487.897334] [] ? init_object+0x1d6/0x1e2 [ 3487.914367] [] ? expand_files+0x68a/0x6d7 [ 3487.929584] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3487.948450] [] do_filp_open+0xe2/0x18c [ 3487.964579] [] ? path_openat+0x2525/0x2525 [ 3487.977749] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3487.993615] [] ? __alloc_fd+0x43d/0x47f [ 3488.009566] [] ? exit_files+0xaa/0xaa [ 3488.024206] [] do_sys_open+0xf5/0x342 [ 3488.037090] [] ? do_sys_open+0xf5/0x342 [ 3488.055608] [] ? __do_page_fault+0x6d3/0x96b [ 3488.074148] [] ? filp_open+0x68/0x68 [ 3488.086701] [] SyS_open+0x32/0x39 [ 3488.098979] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3488.113876] ================================================================================ [ 3488.145938] ================================================================================ [ 3488.166900] UBSAN: Undefined behaviour in fs/ext4/inode.c:175:2 [ 3488.184794] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3488.207751] which requires 64 byte alignment [ 3488.217346] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3488.236739] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3488.263180] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf3f8 ffffffffb26ec5cc [ 3488.282917] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3488.305555] ffffffff00000010 ffff88009e9bf420 ffff88009e9bf3d0 ffffffffb363c3e0 [ 3488.326551] Call Trace: [ 3488.332536] [] dump_stack+0xd7/0x132 [ 3488.347233] [] ? arch_local_irq_restore+0x1b/0x1b [ 3488.364214] [] ubsan_epilogue+0x12/0x53 [ 3488.376804] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3488.395166] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3488.413064] [] ? jbd2_journal_extend+0x479/0x48b [ 3488.429343] [] ext4_truncate_restart_trans+0x8e/0x10a [ 3488.448146] [] ? jbd2_journal_extend+0xb7/0x48b [ 3488.464334] [] ext4_ext_truncate_extend_restart.part.14+0xd8/0xf9 [ 3488.485132] [] ? ext4_ext_remove_space+0x1362/0x2d74 [ 3488.501974] [] ext4_ext_remove_space+0x2984/0x2d74 [ 3488.517613] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3488.535619] [] ? arch_local_irq_restore+0x6/0xd [ 3488.552569] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3488.570237] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3488.584176] [] ? _cond_resched+0x19/0x23 [ 3488.601604] [] ? down_write+0xb3/0xea [ 3488.615065] [] ext4_ext_truncate+0x1ed/0x244 [ 3488.631584] [] ext4_truncate+0x5ba/0x8ce [ 3488.649651] [] ? ext4_punch_hole+0x83e/0x83e [ 3488.667401] [] ext4_setattr+0xdbb/0x11bd [ 3488.684901] [] ? ext4_journalled_write_end+0x894/0x894 [ 3488.701929] [] notify_change+0xa68/0xc5b [ 3488.718200] [] do_truncate+0x165/0x1e5 [ 3488.731370] [] ? do_truncate+0x165/0x1e5 [ 3488.745813] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3488.762962] [] path_openat+0x222a/0x2525 [ 3488.776719] [] ? qlink_to_cache+0x10/0x87 [ 3488.793923] [] ? may_open+0x1c0/0x1c0 [ 3488.808641] [] ? deactivate_slab+0x53d/0x566 [ 3488.825395] [] ? getname_flags+0x4f/0x2e0 [ 3488.839643] [] ? init_object+0x1d6/0x1e2 [ 3488.851980] [] ? expand_files+0x68a/0x6d7 [ 3488.868200] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3488.885491] [] do_filp_open+0xe2/0x18c [ 3488.901595] [] ? path_openat+0x2525/0x2525 [ 3488.916528] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3488.931211] [] ? __alloc_fd+0x43d/0x47f [ 3488.947424] [] ? exit_files+0xaa/0xaa [ 3488.962944] [] do_sys_open+0xf5/0x342 [ 3488.976450] [] ? do_sys_open+0xf5/0x342 [ 3488.990072] [] ? __do_page_fault+0x6d3/0x96b [ 3489.005062] [] ? filp_open+0x68/0x68 [ 3489.016821] [] SyS_open+0x32/0x39 [ 3489.031718] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3489.048993] ================================================================================ [ 3489.088772] ================================================================================ [ 3489.146166] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3489.162105] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3489.187255] which requires 64 byte alignment [ 3489.197234] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3489.216341] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3489.243946] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf470 ffffffffb26ec5cc [ 3489.261483] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3489.280593] 0000000000000010 ffff88009e9bf498 ffff88009e9bf448 ffffffffb363c3e0 [ 3489.305889] Call Trace: [ 3489.311729] [] dump_stack+0xd7/0x132 [ 3489.327061] [] ? arch_local_irq_restore+0x1b/0x1b [ 3489.349088] [] ubsan_epilogue+0x12/0x53 [ 3489.363037] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3489.379393] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3489.400947] [] ext4_ext_remove_space+0x1404/0x2d74 [ 3489.417456] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3489.435113] [] ? arch_local_irq_restore+0x6/0xd [ 3489.454488] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3489.472659] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3489.489452] [] ? _cond_resched+0x19/0x23 [ 3489.505913] [] ? down_write+0xb3/0xea [ 3489.520425] [] ext4_ext_truncate+0x1ed/0x244 [ 3489.535831] [] ext4_truncate+0x5ba/0x8ce [ 3489.550299] [] ? ext4_punch_hole+0x83e/0x83e [ 3489.567262] [] ext4_setattr+0xdbb/0x11bd [ 3489.580582] [] ? ext4_journalled_write_end+0x894/0x894 [ 3489.597279] [] notify_change+0xa68/0xc5b [ 3489.613530] [] do_truncate+0x165/0x1e5 [ 3489.627433] [] ? do_truncate+0x165/0x1e5 [ 3489.641372] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3489.664970] [] path_openat+0x222a/0x2525 [ 3489.678419] [] ? qlink_to_cache+0x10/0x87 [ 3489.694826] [] ? may_open+0x1c0/0x1c0 [ 3489.710350] [] ? deactivate_slab+0x53d/0x566 [ 3489.727564] [] ? getname_flags+0x4f/0x2e0 [ 3489.743411] [] ? init_object+0x1d6/0x1e2 [ 3489.755950] [] ? expand_files+0x68a/0x6d7 [ 3489.772351] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3489.800179] [] do_filp_open+0xe2/0x18c [ 3489.817560] [] ? path_openat+0x2525/0x2525 [ 3489.835549] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3489.851479] [] ? __alloc_fd+0x43d/0x47f [ 3489.867931] [] ? exit_files+0xaa/0xaa [ 3489.897602] [] do_sys_open+0xf5/0x342 [ 3489.911896] [] ? do_sys_open+0xf5/0x342 [ 3489.927383] [] ? __do_page_fault+0x6d3/0x96b [ 3489.943304] [] ? filp_open+0x68/0x68 [ 3489.955749] [] SyS_open+0x32/0x39 [ 3489.971892] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3489.989239] ================================================================================ [ 3490.012198] ================================================================================ [ 3490.033604] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3490.049232] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3490.071421] which requires 64 byte alignment [ 3490.081812] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3490.100434] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3490.124887] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf420 ffffffffb26ec5cc [ 3490.146887] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3490.165909] ffff880000000010 ffff88009e9bf448 ffff88009e9bf3f8 ffffffffb363c3e0 [ 3490.186855] Call Trace: [ 3490.194034] [] dump_stack+0xd7/0x132 [ 3490.208204] [] ? arch_local_irq_restore+0x1b/0x1b [ 3490.227112] [] ubsan_epilogue+0x12/0x53 [ 3490.240423] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3490.260120] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3490.281936] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3490.302143] [] ext4_inode_journal_mode+0x58/0x319 [ 3490.317085] [] get_default_free_blocks_flags+0x50/0x6e [ 3490.337266] [] ext4_ext_remove_space+0x1440/0x2d74 [ 3490.353544] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3490.372812] [] ? arch_local_irq_restore+0x6/0xd [ 3490.390526] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3490.407020] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3490.423938] [] ? _cond_resched+0x19/0x23 [ 3490.438776] [] ? down_write+0xb3/0xea [ 3490.452215] [] ext4_ext_truncate+0x1ed/0x244 [ 3490.470291] [] ext4_truncate+0x5ba/0x8ce [ 3490.485438] [] ? ext4_punch_hole+0x83e/0x83e [ 3490.505845] [] ext4_setattr+0xdbb/0x11bd [ 3490.520846] [] ? ext4_journalled_write_end+0x894/0x894 [ 3490.536926] [] notify_change+0xa68/0xc5b [ 3490.552767] [] do_truncate+0x165/0x1e5 [ 3490.569710] [] ? do_truncate+0x165/0x1e5 [ 3490.584350] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3490.604112] [] path_openat+0x222a/0x2525 [ 3490.619837] [] ? qlink_to_cache+0x10/0x87 [ 3490.634313] [] ? may_open+0x1c0/0x1c0 [ 3490.649425] [] ? deactivate_slab+0x53d/0x566 [ 3490.666229] [] ? getname_flags+0x4f/0x2e0 [ 3490.683731] [] ? init_object+0x1d6/0x1e2 [ 3490.699808] [] ? expand_files+0x68a/0x6d7 [ 3490.714163] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3490.737177] [] do_filp_open+0xe2/0x18c [ 3490.750438] [] ? path_openat+0x2525/0x2525 [ 3490.765881] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3490.780174] [] ? __alloc_fd+0x43d/0x47f [ 3490.794719] [] ? exit_files+0xaa/0xaa [ 3490.807526] [] do_sys_open+0xf5/0x342 [ 3490.823332] [] ? do_sys_open+0xf5/0x342 [ 3490.838553] [] ? __do_page_fault+0x6d3/0x96b [ 3490.854905] [] ? filp_open+0x68/0x68 [ 3490.869203] [] SyS_open+0x32/0x39 [ 3490.881273] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3490.897121] ================================================================================ [ 3490.917283] ================================================================================ [ 3490.938964] UBSAN: Undefined behaviour in fs/ext4/ext4_jbd2.h:413:6 [ 3490.962380] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3490.987085] which requires 64 byte alignment [ 3490.999084] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3491.019060] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3491.044203] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf420 ffffffffb26ec5cc [ 3491.065589] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3491.084369] ffff880000000010 ffff88009e9bf448 ffff88009e9bf3f8 ffffffffb363c3e0 [ 3491.108918] Call Trace: [ 3491.114264] [] dump_stack+0xd7/0x132 [ 3491.128899] [] ? arch_local_irq_restore+0x1b/0x1b [ 3491.146914] [] ubsan_epilogue+0x12/0x53 [ 3491.162772] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3491.178858] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3491.197976] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3491.217424] [] ext4_inode_journal_mode+0x85/0x319 [ 3491.233908] [] get_default_free_blocks_flags+0x50/0x6e [ 3491.252548] [] ext4_ext_remove_space+0x1440/0x2d74 [ 3491.271185] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3491.288248] [] ? arch_local_irq_restore+0x6/0xd [ 3491.302294] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3491.319196] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3491.337861] [] ? _cond_resched+0x19/0x23 [ 3491.351952] [] ? down_write+0xb3/0xea [ 3491.367947] [] ext4_ext_truncate+0x1ed/0x244 [ 3491.382614] [] ext4_truncate+0x5ba/0x8ce [ 3491.395921] [] ? ext4_punch_hole+0x83e/0x83e [ 3491.412002] [] ext4_setattr+0xdbb/0x11bd [ 3491.428242] [] ? ext4_journalled_write_end+0x894/0x894 [ 3491.446089] [] notify_change+0xa68/0xc5b [ 3491.459927] [] do_truncate+0x165/0x1e5 [ 3491.474777] [] ? do_truncate+0x165/0x1e5 [ 3491.488393] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3491.508240] [] path_openat+0x222a/0x2525 [ 3491.522340] [] ? qlink_to_cache+0x10/0x87 [ 3491.535872] [] ? may_open+0x1c0/0x1c0 [ 3491.550731] [] ? deactivate_slab+0x53d/0x566 [ 3491.564710] [] ? getname_flags+0x4f/0x2e0 [ 3491.580007] [] ? init_object+0x1d6/0x1e2 [ 3491.595209] [] ? expand_files+0x68a/0x6d7 [ 3491.611304] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3491.630087] [] do_filp_open+0xe2/0x18c [ 3491.647843] [] ? path_openat+0x2525/0x2525 [ 3491.661974] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3491.680565] [] ? __alloc_fd+0x43d/0x47f [ 3491.695778] [] ? exit_files+0xaa/0xaa [ 3491.713925] [] do_sys_open+0xf5/0x342 [ 3491.727408] [] ? do_sys_open+0xf5/0x342 [ 3491.740584] [] ? __do_page_fault+0x6d3/0x96b [ 3491.754656] [] ? filp_open+0x68/0x68 [ 3491.769004] [] SyS_open+0x32/0x39 [ 3491.782110] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3491.799066] ================================================================================ [ 3491.821610] ================================================================================ [ 3491.843876] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3491.858361] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3491.882444] which requires 64 byte alignment [ 3491.894249] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3491.912786] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3491.935338] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf420 ffffffffb26ec5cc [ 3491.955415] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3491.976478] ffff880000000010 ffff88009e9bf448 ffff88009e9bf3f8 ffffffffb363c3e0 [ 3491.996913] Call Trace: [ 3492.003368] [] dump_stack+0xd7/0x132 [ 3492.015343] [] ? arch_local_irq_restore+0x1b/0x1b [ 3492.033867] [] ubsan_epilogue+0x12/0x53 [ 3492.049802] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3492.067629] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3492.087807] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3492.105702] [] ext4_inode_journal_mode+0x116/0x319 [ 3492.122768] [] get_default_free_blocks_flags+0x50/0x6e [ 3492.138949] [] ext4_ext_remove_space+0x1440/0x2d74 [ 3492.157216] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3492.176872] [] ? arch_local_irq_restore+0x6/0xd [ 3492.193417] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3492.210317] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3492.227106] [] ? _cond_resched+0x19/0x23 [ 3492.241079] [] ? down_write+0xb3/0xea [ 3492.252727] [] ext4_ext_truncate+0x1ed/0x244 [ 3492.271189] [] ext4_truncate+0x5ba/0x8ce [ 3492.285341] [] ? ext4_punch_hole+0x83e/0x83e [ 3492.304208] [] ext4_setattr+0xdbb/0x11bd [ 3492.318975] [] ? ext4_journalled_write_end+0x894/0x894 [ 3492.337416] [] notify_change+0xa68/0xc5b [ 3492.352466] [] do_truncate+0x165/0x1e5 [ 3492.365119] [] ? do_truncate+0x165/0x1e5 [ 3492.380936] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3492.400927] [] path_openat+0x222a/0x2525 [ 3492.414488] [] ? qlink_to_cache+0x10/0x87 [ 3492.430432] [] ? may_open+0x1c0/0x1c0 [ 3492.445364] [] ? deactivate_slab+0x53d/0x566 [ 3492.459555] [] ? getname_flags+0x4f/0x2e0 [ 3492.472033] [] ? init_object+0x1d6/0x1e2 [ 3492.490693] [] ? expand_files+0x68a/0x6d7 [ 3492.506975] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3492.524752] [] do_filp_open+0xe2/0x18c [ 3492.539458] [] ? path_openat+0x2525/0x2525 [ 3492.553608] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3492.570812] [] ? __alloc_fd+0x43d/0x47f [ 3492.584801] [] ? exit_files+0xaa/0xaa [ 3492.598623] [] do_sys_open+0xf5/0x342 [ 3492.613955] [] ? do_sys_open+0xf5/0x342 [ 3492.627686] [] ? __do_page_fault+0x6d3/0x96b [ 3492.643465] [] ? filp_open+0x68/0x68 [ 3492.654768] [] SyS_open+0x32/0x39 [ 3492.668700] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3492.685629] ================================================================================ [ 3492.708393] ================================================================================ [ 3492.728942] UBSAN: Undefined behaviour in fs/ext4/ext4_jbd2.h:417:6 [ 3492.746692] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3492.766460] which requires 64 byte alignment [ 3492.777211] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3492.795124] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3492.819034] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf420 ffffffffb26ec5cc [ 3492.837759] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3492.862730] ffff880000000010 ffff88009e9bf448 ffff88009e9bf3f8 ffffffffb363c3e0 [ 3492.883053] Call Trace: [ 3492.889762] [] dump_stack+0xd7/0x132 [ 3492.903410] [] ? arch_local_irq_restore+0x1b/0x1b [ 3492.919882] [] ubsan_epilogue+0x12/0x53 [ 3492.933804] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3492.952229] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3492.972655] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3492.992764] [] ext4_inode_journal_mode+0x130/0x319 [ 3493.010094] [] get_default_free_blocks_flags+0x50/0x6e [ 3493.028905] [] ext4_ext_remove_space+0x1440/0x2d74 [ 3493.046961] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3493.064484] [] ? arch_local_irq_restore+0x6/0xd [ 3493.081800] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3493.098152] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3493.114008] [] ? _cond_resched+0x19/0x23 [ 3493.132827] [] ? down_write+0xb3/0xea [ 3493.145542] [] ext4_ext_truncate+0x1ed/0x244 [ 3493.160845] [] ext4_truncate+0x5ba/0x8ce [ 3493.174250] [] ? ext4_punch_hole+0x83e/0x83e [ 3493.191065] [] ext4_setattr+0xdbb/0x11bd [ 3493.206765] [] ? ext4_journalled_write_end+0x894/0x894 [ 3493.226016] [] notify_change+0xa68/0xc5b [ 3493.240135] [] do_truncate+0x165/0x1e5 [ 3493.252704] [] ? do_truncate+0x165/0x1e5 [ 3493.267949] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3493.286099] [] path_openat+0x222a/0x2525 [ 3493.303817] [] ? qlink_to_cache+0x10/0x87 [ 3493.317826] [] ? may_open+0x1c0/0x1c0 [ 3493.331807] [] ? deactivate_slab+0x53d/0x566 [ 3493.350080] [] ? getname_flags+0x4f/0x2e0 [ 3493.365719] [] ? init_object+0x1d6/0x1e2 [ 3493.380193] [] ? expand_files+0x68a/0x6d7 [ 3493.395072] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3493.415311] [] do_filp_open+0xe2/0x18c [ 3493.431045] [] ? path_openat+0x2525/0x2525 [ 3493.448028] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3493.463593] [] ? __alloc_fd+0x43d/0x47f [ 3493.478409] [] ? exit_files+0xaa/0xaa [ 3493.491878] [] do_sys_open+0xf5/0x342 [ 3493.504184] [] ? do_sys_open+0xf5/0x342 [ 3493.517353] [] ? __do_page_fault+0x6d3/0x96b [ 3493.531820] [] ? filp_open+0x68/0x68 [ 3493.545453] [] SyS_open+0x32/0x39 [ 3493.556828] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3493.575827] ================================================================================ [ 3493.599186] ================================================================================ [ 3493.621593] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3493.637303] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3493.663590] which requires 64 byte alignment [ 3493.672773] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3493.693695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3493.721056] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf420 ffffffffb26ec5cc [ 3493.739206] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3493.762377] ffff880000000010 ffff88009e9bf448 ffff88009e9bf3f8 ffffffffb363c3e0 [ 3493.781338] Call Trace: [ 3493.789069] [] dump_stack+0xd7/0x132 [ 3493.802877] [] ? arch_local_irq_restore+0x1b/0x1b [ 3493.819677] [] ubsan_epilogue+0x12/0x53 [ 3493.833439] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3493.855117] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3493.873414] [] ext4_inode_journal_mode+0x1a9/0x319 [ 3493.890261] [] get_default_free_blocks_flags+0x50/0x6e [ 3493.908448] [] ext4_ext_remove_space+0x1440/0x2d74 [ 3493.925520] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3493.945674] [] ? arch_local_irq_restore+0x6/0xd [ 3493.962040] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3493.980312] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3493.995545] [] ? _cond_resched+0x19/0x23 [ 3494.010088] [] ? down_write+0xb3/0xea [ 3494.027994] [] ext4_ext_truncate+0x1ed/0x244 [ 3494.044399] [] ext4_truncate+0x5ba/0x8ce [ 3494.057553] [] ? ext4_punch_hole+0x83e/0x83e [ 3494.073104] [] ext4_setattr+0xdbb/0x11bd [ 3494.087049] [] ? ext4_journalled_write_end+0x894/0x894 [ 3494.104410] [] notify_change+0xa68/0xc5b [ 3494.118512] [] do_truncate+0x165/0x1e5 [ 3494.132680] [] ? do_truncate+0x165/0x1e5 [ 3494.149385] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3494.168362] [] path_openat+0x222a/0x2525 [ 3494.181583] [] ? qlink_to_cache+0x10/0x87 [ 3494.195756] [] ? may_open+0x1c0/0x1c0 [ 3494.211774] [] ? deactivate_slab+0x53d/0x566 [ 3494.226214] [] ? getname_flags+0x4f/0x2e0 [ 3494.240674] [] ? init_object+0x1d6/0x1e2 [ 3494.253480] [] ? expand_files+0x68a/0x6d7 [ 3494.268387] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3494.290206] [] do_filp_open+0xe2/0x18c [ 3494.303504] [] ? path_openat+0x2525/0x2525 [ 3494.317381] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3494.331876] [] ? __alloc_fd+0x43d/0x47f [ 3494.350246] [] ? exit_files+0xaa/0xaa [ 3494.365332] [] do_sys_open+0xf5/0x342 [ 3494.377192] [] ? do_sys_open+0xf5/0x342 [ 3494.391080] [] ? __do_page_fault+0x6d3/0x96b [ 3494.405354] [] ? filp_open+0x68/0x68 [ 3494.418860] [] SyS_open+0x32/0x39 [ 3494.432184] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3494.449660] ================================================================================ [ 3494.471821] ================================================================================ [ 3494.493749] UBSAN: Undefined behaviour in fs/ext4/ext4_jbd2.h:422:6 [ 3494.511205] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3494.534269] which requires 64 byte alignment [ 3494.546195] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3494.565611] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3494.589648] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf420 ffffffffb26ec5cc [ 3494.609806] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3494.629612] ffff880000000010 ffff88009e9bf448 ffff88009e9bf3f8 ffffffffb363c3e0 [ 3494.649853] Call Trace: [ 3494.660557] [] dump_stack+0xd7/0x132 [ 3494.674169] [] ? arch_local_irq_restore+0x1b/0x1b [ 3494.692443] [] ubsan_epilogue+0x12/0x53 [ 3494.707135] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3494.727368] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3494.748322] [] ext4_inode_journal_mode+0x1d6/0x319 [ 3494.767073] [] get_default_free_blocks_flags+0x50/0x6e [ 3494.785597] [] ext4_ext_remove_space+0x1440/0x2d74 [ 3494.801677] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3494.820336] [] ? arch_local_irq_restore+0x6/0xd [ 3494.836303] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3494.853868] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3494.873851] [] ? _cond_resched+0x19/0x23 [ 3494.888969] [] ? down_write+0xb3/0xea [ 3494.904842] [] ext4_ext_truncate+0x1ed/0x244 [ 3494.919730] [] ext4_truncate+0x5ba/0x8ce [ 3494.932575] [] ? ext4_punch_hole+0x83e/0x83e [ 3494.948049] [] ext4_setattr+0xdbb/0x11bd [ 3494.964005] [] ? ext4_journalled_write_end+0x894/0x894 [ 3494.981655] [] notify_change+0xa68/0xc5b [ 3494.995378] [] do_truncate+0x165/0x1e5 [ 3495.007801] [] ? do_truncate+0x165/0x1e5 [ 3495.022946] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3495.043133] [] path_openat+0x222a/0x2525 [ 3495.057247] [] ? qlink_to_cache+0x10/0x87 [ 3495.071333] [] ? may_open+0x1c0/0x1c0 [ 3495.085917] [] ? deactivate_slab+0x53d/0x566 [ 3495.099268] [] ? getname_flags+0x4f/0x2e0 [ 3495.115408] [] ? init_object+0x1d6/0x1e2 [ 3495.129671] [] ? expand_files+0x68a/0x6d7 [ 3495.145644] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3495.163521] [] do_filp_open+0xe2/0x18c [ 3495.175234] [] ? path_openat+0x2525/0x2525 [ 3495.190263] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3495.204754] [] ? __alloc_fd+0x43d/0x47f [ 3495.218244] [] ? exit_files+0xaa/0xaa [ 3495.234871] [] do_sys_open+0xf5/0x342 [ 3495.251156] [] ? do_sys_open+0xf5/0x342 [ 3495.268030] [] ? __do_page_fault+0x6d3/0x96b [ 3495.284759] [] ? filp_open+0x68/0x68 [ 3495.298187] [] SyS_open+0x32/0x39 [ 3495.311840] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3495.328958] ================================================================================ [ 3495.372145] ================================================================================ [ 3495.395168] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3495.411200] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3495.435311] which requires 64 byte alignment [ 3495.447363] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3495.466826] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3495.490026] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3495.507735] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3495.528578] 0100000000000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3495.551292] Call Trace: [ 3495.560114] [] dump_stack+0xd7/0x132 [ 3495.574500] [] ? arch_local_irq_restore+0x1b/0x1b [ 3495.592823] [] ubsan_epilogue+0x12/0x53 [ 3495.606788] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3495.626429] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3495.647104] [] ext4_free_blocks+0x1c4/0x17cf [ 3495.662360] [] ? vprintk_default+0x65/0x6e [ 3495.677001] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3495.694568] [] ? arch_local_irq_restore+0x6/0xd [ 3495.711312] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3495.729445] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3495.749797] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3495.767841] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3495.786267] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3495.801510] [] ? arch_local_irq_restore+0x6/0xd [ 3495.816881] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3495.835524] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3495.851773] [] ? _cond_resched+0x19/0x23 [ 3495.867474] [] ? down_write+0xb3/0xea [ 3495.882393] [] ext4_ext_truncate+0x1ed/0x244 [ 3495.898192] [] ext4_truncate+0x5ba/0x8ce [ 3495.914668] [] ? ext4_punch_hole+0x83e/0x83e [ 3495.929454] [] ext4_setattr+0xdbb/0x11bd [ 3495.946525] [] ? ext4_journalled_write_end+0x894/0x894 [ 3495.967276] [] notify_change+0xa68/0xc5b [ 3495.983133] [] do_truncate+0x165/0x1e5 [ 3495.998870] [] ? do_truncate+0x165/0x1e5 [ 3496.012518] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3496.029920] [] path_openat+0x222a/0x2525 [ 3496.048435] [] ? qlink_to_cache+0x10/0x87 [ 3496.064488] [] ? may_open+0x1c0/0x1c0 [ 3496.082489] [] ? deactivate_slab+0x53d/0x566 [ 3496.097033] [] ? getname_flags+0x4f/0x2e0 [ 3496.113100] [] ? init_object+0x1d6/0x1e2 [ 3496.128115] [] ? expand_files+0x68a/0x6d7 [ 3496.146432] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3496.166904] [] do_filp_open+0xe2/0x18c [ 3496.180976] [] ? path_openat+0x2525/0x2525 [ 3496.195855] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3496.213188] [] ? __alloc_fd+0x43d/0x47f [ 3496.228307] [] ? exit_files+0xaa/0xaa [ 3496.243435] [] do_sys_open+0xf5/0x342 [ 3496.255797] [] ? do_sys_open+0xf5/0x342 [ 3496.271214] [] ? __do_page_fault+0x6d3/0x96b [ 3496.287403] [] ? filp_open+0x68/0x68 [ 3496.300393] [] SyS_open+0x32/0x39 [ 3496.313585] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3496.329968] ================================================================================ [ 3496.351685] ================================================================================ [ 3496.377413] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4711:13 [ 3496.395239] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3496.420680] which requires 64 byte alignment [ 3496.430187] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3496.450226] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3496.474834] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3496.496910] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3496.517626] ffffffff00000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3496.537566] Call Trace: [ 3496.547272] [] dump_stack+0xd7/0x132 [ 3496.560920] [] ? arch_local_irq_restore+0x1b/0x1b [ 3496.576488] [] ubsan_epilogue+0x12/0x53 [ 3496.592278] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3496.612442] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3496.630673] [] ? ext4_data_block_valid+0x304/0x312 [ 3496.648501] [] ext4_free_blocks+0x33b/0x17cf [ 3496.665126] [] ? vprintk_default+0x65/0x6e [ 3496.679394] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3496.696831] [] ? arch_local_irq_restore+0x6/0xd [ 3496.713165] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3496.732260] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3496.751272] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3496.769227] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3496.787339] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3496.805920] [] ? arch_local_irq_restore+0x6/0xd [ 3496.823363] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3496.841156] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3496.856655] [] ? _cond_resched+0x19/0x23 [ 3496.871773] [] ? down_write+0xb3/0xea [ 3496.887890] [] ext4_ext_truncate+0x1ed/0x244 [ 3496.904765] [] ext4_truncate+0x5ba/0x8ce [ 3496.920252] [] ? ext4_punch_hole+0x83e/0x83e [ 3496.934266] [] ext4_setattr+0xdbb/0x11bd [ 3496.950880] [] ? ext4_journalled_write_end+0x894/0x894 [ 3496.967953] [] notify_change+0xa68/0xc5b [ 3496.982421] [] do_truncate+0x165/0x1e5 [ 3496.995986] [] ? do_truncate+0x165/0x1e5 [ 3497.010348] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3497.030641] [] path_openat+0x222a/0x2525 [ 3497.045407] [] ? qlink_to_cache+0x10/0x87 [ 3497.060810] [] ? may_open+0x1c0/0x1c0 [ 3497.073080] [] ? deactivate_slab+0x53d/0x566 [ 3497.090274] [] ? getname_flags+0x4f/0x2e0 [ 3497.105619] [] ? init_object+0x1d6/0x1e2 [ 3497.120346] [] ? expand_files+0x68a/0x6d7 [ 3497.135676] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3497.152890] [] do_filp_open+0xe2/0x18c [ 3497.169073] [] ? path_openat+0x2525/0x2525 [ 3497.187034] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3497.204381] [] ? __alloc_fd+0x43d/0x47f [ 3497.219173] [] ? exit_files+0xaa/0xaa [ 3497.230785] [] do_sys_open+0xf5/0x342 [ 3497.244462] [] ? do_sys_open+0xf5/0x342 [ 3497.256520] [] ? __do_page_fault+0x6d3/0x96b [ 3497.272658] [] ? filp_open+0x68/0x68 [ 3497.287587] [] SyS_open+0x32/0x39 [ 3497.302254] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3497.318145] ================================================================================ [ 3497.340419] ================================================================================ [ 3497.363174] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4725:13 [ 3497.380298] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3497.405955] which requires 64 byte alignment [ 3497.417160] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3497.439254] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3497.466587] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3497.487340] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3497.508001] ffffffff00000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3497.529988] Call Trace: [ 3497.536849] [] dump_stack+0xd7/0x132 [ 3497.551739] [] ? arch_local_irq_restore+0x1b/0x1b [ 3497.568558] [] ubsan_epilogue+0x12/0x53 [ 3497.583459] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3497.600833] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3497.619332] [] ? ext4_data_block_valid+0x304/0x312 [ 3497.634421] [] ext4_free_blocks+0x402/0x17cf [ 3497.650268] [] ? vprintk_default+0x65/0x6e [ 3497.665103] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3497.683539] [] ? arch_local_irq_restore+0x6/0xd [ 3497.702682] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3497.722757] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3497.740945] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3497.756167] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3497.773491] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3497.791101] [] ? arch_local_irq_restore+0x6/0xd [ 3497.805886] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3497.825588] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3497.844287] [] ? _cond_resched+0x19/0x23 [ 3497.857709] [] ? down_write+0xb3/0xea [ 3497.872077] [] ext4_ext_truncate+0x1ed/0x244 [ 3497.889694] [] ext4_truncate+0x5ba/0x8ce [ 3497.904129] [] ? ext4_punch_hole+0x83e/0x83e [ 3497.919761] [] ext4_setattr+0xdbb/0x11bd [ 3497.935259] [] ? ext4_journalled_write_end+0x894/0x894 [ 3497.952955] [] notify_change+0xa68/0xc5b [ 3497.969392] [] do_truncate+0x165/0x1e5 [ 3497.984021] [] ? do_truncate+0x165/0x1e5 [ 3497.997347] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3498.020221] [] path_openat+0x222a/0x2525 [ 3498.033301] [] ? qlink_to_cache+0x10/0x87 [ 3498.049245] [] ? may_open+0x1c0/0x1c0 [ 3498.065151] [] ? deactivate_slab+0x53d/0x566 [ 3498.081379] [] ? getname_flags+0x4f/0x2e0 [ 3498.095286] [] ? init_object+0x1d6/0x1e2 [ 3498.112935] [] ? expand_files+0x68a/0x6d7 [ 3498.127318] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3498.147661] [] do_filp_open+0xe2/0x18c [ 3498.163020] [] ? path_openat+0x2525/0x2525 [ 3498.176305] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3498.194126] [] ? __alloc_fd+0x43d/0x47f [ 3498.208646] [] ? exit_files+0xaa/0xaa [ 3498.223980] [] do_sys_open+0xf5/0x342 [ 3498.239187] [] ? do_sys_open+0xf5/0x342 [ 3498.254217] [] ? __do_page_fault+0x6d3/0x96b [ 3498.268913] [] ? filp_open+0x68/0x68 [ 3498.283796] [] SyS_open+0x32/0x39 [ 3498.297429] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3498.315616] ================================================================================ [ 3498.337279] ================================================================================ [ 3498.363480] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3498.380753] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3498.403389] which requires 64 byte alignment [ 3498.413606] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3498.431374] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3498.459814] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf210 ffffffffb26ec5cc [ 3498.483309] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3498.502149] ffff880000000010 ffff88009e9bf238 ffff88009e9bf1e8 ffffffffb363c3e0 [ 3498.523146] Call Trace: [ 3498.529283] [] dump_stack+0xd7/0x132 [ 3498.545661] [] ? arch_local_irq_restore+0x1b/0x1b [ 3498.564058] [] ubsan_epilogue+0x12/0x53 [ 3498.575983] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3498.595063] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3498.614537] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3498.633289] [] ext4_get_group_no_and_offset+0x41/0x233 [ 3498.651913] [] ? ext4_data_block_valid+0x304/0x312 [ 3498.671035] [] ext4_free_blocks+0xbb7/0x17cf [ 3498.686428] [] ? vprintk_default+0x65/0x6e [ 3498.703583] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3498.720238] [] ? arch_local_irq_restore+0x6/0xd [ 3498.735129] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3498.753903] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3498.773160] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3498.791295] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3498.808466] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3498.827968] [] ? arch_local_irq_restore+0x6/0xd [ 3498.844789] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3498.860598] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3498.876564] [] ? _cond_resched+0x19/0x23 [ 3498.893687] [] ? down_write+0xb3/0xea [ 3498.909912] [] ext4_ext_truncate+0x1ed/0x244 [ 3498.925015] [] ext4_truncate+0x5ba/0x8ce [ 3498.939880] [] ? ext4_punch_hole+0x83e/0x83e [ 3498.954101] [] ext4_setattr+0xdbb/0x11bd [ 3498.968589] [] ? ext4_journalled_write_end+0x894/0x894 [ 3498.987245] [] notify_change+0xa68/0xc5b [ 3499.000926] [] do_truncate+0x165/0x1e5 [ 3499.015223] [] ? do_truncate+0x165/0x1e5 [ 3499.030099] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3499.048146] [] path_openat+0x222a/0x2525 [ 3499.063560] [] ? qlink_to_cache+0x10/0x87 [ 3499.076445] [] ? may_open+0x1c0/0x1c0 [ 3499.091251] [] ? deactivate_slab+0x53d/0x566 [ 3499.107481] [] ? getname_flags+0x4f/0x2e0 [ 3499.122918] [] ? init_object+0x1d6/0x1e2 [ 3499.135088] [] ? expand_files+0x68a/0x6d7 [ 3499.150566] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3499.169278] [] do_filp_open+0xe2/0x18c [ 3499.184244] [] ? path_openat+0x2525/0x2525 [ 3499.198206] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3499.213066] [] ? __alloc_fd+0x43d/0x47f [ 3499.229175] [] ? exit_files+0xaa/0xaa [ 3499.246007] [] do_sys_open+0xf5/0x342 [ 3499.259605] [] ? do_sys_open+0xf5/0x342 [ 3499.274299] [] ? __do_page_fault+0x6d3/0x96b [ 3499.290070] [] ? filp_open+0x68/0x68 [ 3499.304791] [] SyS_open+0x32/0x39 [ 3499.315489] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3499.336481] ================================================================================ [ 3499.359308] ================================================================================ [ 3499.380793] UBSAN: Undefined behaviour in fs/ext4/balloc.c:55:27 [ 3499.398619] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3499.423579] which requires 64 byte alignment [ 3499.434103] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3499.452019] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3499.475861] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf210 ffffffffb26ec5cc [ 3499.496391] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3499.516415] ffff880000000010 ffff88009e9bf238 ffff88009e9bf1e8 ffffffffb363c3e0 [ 3499.537857] Call Trace: [ 3499.543594] [] dump_stack+0xd7/0x132 [ 3499.557356] [] ? arch_local_irq_restore+0x1b/0x1b [ 3499.575692] [] ubsan_epilogue+0x12/0x53 [ 3499.590864] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3499.608847] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3499.631080] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3499.650202] [] ext4_get_group_no_and_offset+0x75/0x233 [ 3499.670087] [] ext4_free_blocks+0xbb7/0x17cf [ 3499.684188] [] ? vprintk_default+0x65/0x6e [ 3499.698870] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3499.718604] [] ? arch_local_irq_restore+0x6/0xd [ 3499.735316] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3499.754030] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3499.774389] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3499.791661] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3499.808476] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3499.828293] [] ? arch_local_irq_restore+0x6/0xd [ 3499.846451] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3499.863226] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3499.877499] [] ? _cond_resched+0x19/0x23 [ 3499.893789] [] ? down_write+0xb3/0xea [ 3499.907660] [] ext4_ext_truncate+0x1ed/0x244 [ 3499.923311] [] ext4_truncate+0x5ba/0x8ce [ 3499.937283] [] ? ext4_punch_hole+0x83e/0x83e [ 3499.951309] [] ext4_setattr+0xdbb/0x11bd [ 3499.967817] [] ? ext4_journalled_write_end+0x894/0x894 [ 3499.990182] [] notify_change+0xa68/0xc5b [ 3500.005149] [] do_truncate+0x165/0x1e5 [ 3500.018317] [] ? do_truncate+0x165/0x1e5 [ 3500.033284] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3500.052318] [] path_openat+0x222a/0x2525 [ 3500.067994] [] ? qlink_to_cache+0x10/0x87 [ 3500.082551] [] ? may_open+0x1c0/0x1c0 [ 3500.095410] [] ? deactivate_slab+0x53d/0x566 [ 3500.114120] [] ? getname_flags+0x4f/0x2e0 [ 3500.129723] [] ? init_object+0x1d6/0x1e2 [ 3500.146277] [] ? expand_files+0x68a/0x6d7 [ 3500.159657] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3500.175793] [] do_filp_open+0xe2/0x18c [ 3500.190301] [] ? path_openat+0x2525/0x2525 [ 3500.203825] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3500.219787] [] ? __alloc_fd+0x43d/0x47f [ 3500.232344] [] ? exit_files+0xaa/0xaa [ 3500.246185] [] do_sys_open+0xf5/0x342 [ 3500.258351] [] ? do_sys_open+0xf5/0x342 [ 3500.273444] [] ? __do_page_fault+0x6d3/0x96b [ 3500.290140] [] ? filp_open+0x68/0x68 [ 3500.302644] [] SyS_open+0x32/0x39 [ 3500.316270] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3500.333385] ================================================================================ [ 3500.358813] ================================================================================ [ 3500.386209] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3500.403097] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3500.426946] which requires 64 byte alignment [ 3500.437983] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3500.458683] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3500.483167] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf210 ffffffffb26ec5cc [ 3500.504971] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3500.522883] ffff880000000010 ffff88009e9bf238 ffff88009e9bf1e8 ffffffffb363c3e0 [ 3500.540934] Call Trace: [ 3500.547285] [] dump_stack+0xd7/0x132 [ 3500.565571] [] ? arch_local_irq_restore+0x1b/0x1b [ 3500.583292] [] ubsan_epilogue+0x12/0x53 [ 3500.595214] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3500.614558] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3500.634107] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3500.651015] [] ext4_get_group_no_and_offset+0xce/0x233 [ 3500.670208] [] ext4_free_blocks+0xbb7/0x17cf [ 3500.686615] [] ? vprintk_default+0x65/0x6e [ 3500.700568] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3500.715931] [] ? arch_local_irq_restore+0x6/0xd [ 3500.730023] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3500.751364] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3500.772633] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3500.791645] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3500.806718] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3500.823163] [] ? arch_local_irq_restore+0x6/0xd [ 3500.837322] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3500.854840] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3500.870259] [] ? _cond_resched+0x19/0x23 [ 3500.886460] [] ? down_write+0xb3/0xea [ 3500.901262] [] ext4_ext_truncate+0x1ed/0x244 [ 3500.916141] [] ext4_truncate+0x5ba/0x8ce [ 3500.933659] [] ? ext4_punch_hole+0x83e/0x83e [ 3500.949278] [] ext4_setattr+0xdbb/0x11bd [ 3500.965080] [] ? ext4_journalled_write_end+0x894/0x894 [ 3500.982265] [] notify_change+0xa68/0xc5b [ 3500.995448] [] do_truncate+0x165/0x1e5 [ 3501.010734] [] ? do_truncate+0x165/0x1e5 [ 3501.026224] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3501.043745] [] path_openat+0x222a/0x2525 [ 3501.056739] [] ? qlink_to_cache+0x10/0x87 [ 3501.071739] [] ? may_open+0x1c0/0x1c0 [ 3501.087114] [] ? deactivate_slab+0x53d/0x566 [ 3501.100809] [] ? getname_flags+0x4f/0x2e0 [ 3501.114372] [] ? init_object+0x1d6/0x1e2 [ 3501.128384] [] ? expand_files+0x68a/0x6d7 [ 3501.145811] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3501.164739] [] do_filp_open+0xe2/0x18c [ 3501.176751] [] ? path_openat+0x2525/0x2525 [ 3501.193201] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3501.209653] [] ? __alloc_fd+0x43d/0x47f [ 3501.226366] [] ? exit_files+0xaa/0xaa [ 3501.240963] [] do_sys_open+0xf5/0x342 [ 3501.254399] [] ? do_sys_open+0xf5/0x342 [ 3501.271333] [] ? __do_page_fault+0x6d3/0x96b [ 3501.287224] [] ? filp_open+0x68/0x68 [ 3501.303204] [] SyS_open+0x32/0x39 [ 3501.316015] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3501.332220] ================================================================================ [ 3501.353978] ================================================================================ [ 3501.376420] UBSAN: Undefined behaviour in fs/ext4/balloc.c:59:11 [ 3501.391331] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3501.415359] which requires 64 byte alignment [ 3501.428160] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3501.446118] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3501.470180] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf210 ffffffffb26ec5cc [ 3501.489343] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3501.509128] ffff880000000010 ffff88009e9bf238 ffff88009e9bf1e8 ffffffffb363c3e0 [ 3501.529849] Call Trace: [ 3501.537843] [] dump_stack+0xd7/0x132 [ 3501.549651] [] ? arch_local_irq_restore+0x1b/0x1b [ 3501.567187] [] ubsan_epilogue+0x12/0x53 [ 3501.582681] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3501.599777] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3501.619683] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3501.636402] [] ext4_get_group_no_and_offset+0xe8/0x233 [ 3501.653345] [] ext4_free_blocks+0xbb7/0x17cf [ 3501.670196] [] ? vprintk_default+0x65/0x6e [ 3501.689424] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3501.707817] [] ? arch_local_irq_restore+0x6/0xd [ 3501.723774] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3501.740875] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3501.766241] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3501.785252] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3501.801701] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3501.819683] [] ? arch_local_irq_restore+0x6/0xd [ 3501.836708] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3501.851912] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3501.869861] [] ? _cond_resched+0x19/0x23 [ 3501.884036] [] ? down_write+0xb3/0xea [ 3501.898533] [] ext4_ext_truncate+0x1ed/0x244 [ 3501.913214] [] ext4_truncate+0x5ba/0x8ce [ 3501.930417] [] ? ext4_punch_hole+0x83e/0x83e [ 3501.945637] [] ext4_setattr+0xdbb/0x11bd [ 3501.959472] [] ? ext4_journalled_write_end+0x894/0x894 [ 3501.976543] [] notify_change+0xa68/0xc5b [ 3501.993888] [] do_truncate+0x165/0x1e5 [ 3502.010107] [] ? do_truncate+0x165/0x1e5 [ 3502.024580] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3502.043753] [] path_openat+0x222a/0x2525 [ 3502.058806] [] ? qlink_to_cache+0x10/0x87 [ 3502.072704] [] ? may_open+0x1c0/0x1c0 [ 3502.087733] [] ? deactivate_slab+0x53d/0x566 [ 3502.106057] [] ? getname_flags+0x4f/0x2e0 [ 3502.118709] [] ? init_object+0x1d6/0x1e2 [ 3502.132162] [] ? expand_files+0x68a/0x6d7 [ 3502.149432] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3502.168228] [] do_filp_open+0xe2/0x18c [ 3502.183106] [] ? path_openat+0x2525/0x2525 [ 3502.195991] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3502.214133] [] ? __alloc_fd+0x43d/0x47f [ 3502.229221] [] ? exit_files+0xaa/0xaa [ 3502.242367] [] do_sys_open+0xf5/0x342 [ 3502.255122] [] ? do_sys_open+0xf5/0x342 [ 3502.269873] [] ? __do_page_fault+0x6d3/0x96b [ 3502.286449] [] ? filp_open+0x68/0x68 [ 3502.303126] [] SyS_open+0x32/0x39 [ 3502.317954] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3502.333535] ================================================================================ [ 3502.354660] ================================================================================ [ 3502.377397] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3502.395550] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3502.420370] which requires 64 byte alignment [ 3502.431094] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3502.450111] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3502.478106] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf210 ffffffffb26ec5cc [ 3502.498261] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3502.517384] ffff880000000010 ffff88009e9bf238 ffff88009e9bf1e8 ffffffffb363c3e0 [ 3502.540384] Call Trace: [ 3502.547378] [] dump_stack+0xd7/0x132 [ 3502.560286] [] ? arch_local_irq_restore+0x1b/0x1b [ 3502.575141] [] ubsan_epilogue+0x12/0x53 [ 3502.590531] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3502.609169] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3502.628213] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3502.647486] [] ext4_get_group_no_and_offset+0x167/0x233 [ 3502.667981] [] ext4_free_blocks+0xbb7/0x17cf [ 3502.685357] [] ? vprintk_default+0x65/0x6e [ 3502.698948] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3502.715427] [] ? arch_local_irq_restore+0x6/0xd [ 3502.731502] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3502.748881] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3502.768690] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3502.786547] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3502.801360] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3502.817778] [] ? arch_local_irq_restore+0x6/0xd [ 3502.835950] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3502.851251] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3502.869114] [] ? _cond_resched+0x19/0x23 [ 3502.883432] [] ? down_write+0xb3/0xea [ 3502.897478] [] ext4_ext_truncate+0x1ed/0x244 [ 3502.910276] [] ext4_truncate+0x5ba/0x8ce [ 3502.927256] [] ? ext4_punch_hole+0x83e/0x83e [ 3502.944418] [] ext4_setattr+0xdbb/0x11bd [ 3502.957098] [] ? ext4_journalled_write_end+0x894/0x894 [ 3502.975061] [] notify_change+0xa68/0xc5b [ 3502.991431] [] do_truncate+0x165/0x1e5 [ 3503.006994] [] ? do_truncate+0x165/0x1e5 [ 3503.021001] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3503.047063] [] path_openat+0x222a/0x2525 [ 3503.078481] [] ? qlink_to_cache+0x10/0x87 [ 3503.114414] [] ? may_open+0x1c0/0x1c0 [ 3503.129389] [] ? deactivate_slab+0x53d/0x566 [ 3503.145350] [] ? getname_flags+0x4f/0x2e0 [ 3503.162770] [] ? init_object+0x1d6/0x1e2 [ 3503.175465] [] ? expand_files+0x68a/0x6d7 [ 3503.192187] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3503.211598] [] do_filp_open+0xe2/0x18c [ 3503.228746] [] ? path_openat+0x2525/0x2525 [ 3503.246837] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3503.265008] [] ? __alloc_fd+0x43d/0x47f [ 3503.279304] [] ? exit_files+0xaa/0xaa [ 3503.293958] [] do_sys_open+0xf5/0x342 [ 3503.309049] [] ? do_sys_open+0xf5/0x342 [ 3503.323290] [] ? __do_page_fault+0x6d3/0x96b [ 3503.339695] [] ? filp_open+0x68/0x68 [ 3503.354442] [] SyS_open+0x32/0x39 [ 3503.368694] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3503.385634] ================================================================================ [ 3503.406073] ================================================================================ [ 3503.429957] UBSAN: Undefined behaviour in fs/ext4/balloc.c:60:14 [ 3503.444669] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3503.470073] which requires 64 byte alignment [ 3503.481870] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3503.501259] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3503.526340] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf210 ffffffffb26ec5cc [ 3503.548728] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3503.569971] ffff880000000010 ffff88009e9bf238 ffff88009e9bf1e8 ffffffffb363c3e0 [ 3503.591708] Call Trace: [ 3503.597209] [] dump_stack+0xd7/0x132 [ 3503.609987] [] ? arch_local_irq_restore+0x1b/0x1b [ 3503.630150] [] ubsan_epilogue+0x12/0x53 [ 3503.644923] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3503.664402] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3503.684325] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3503.702019] [] ext4_get_group_no_and_offset+0x193/0x233 [ 3503.719076] [] ext4_free_blocks+0xbb7/0x17cf [ 3503.734344] [] ? vprintk_default+0x65/0x6e [ 3503.752569] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3503.771236] [] ? arch_local_irq_restore+0x6/0xd [ 3503.789470] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3503.806152] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3503.825661] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3503.842735] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3503.859518] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3503.877137] [] ? arch_local_irq_restore+0x6/0xd [ 3503.895149] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3503.910487] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3503.928950] [] ? _cond_resched+0x19/0x23 [ 3503.943614] [] ? down_write+0xb3/0xea [ 3503.957382] [] ext4_ext_truncate+0x1ed/0x244 [ 3503.971056] [] ext4_truncate+0x5ba/0x8ce [ 3503.988696] [] ? ext4_punch_hole+0x83e/0x83e [ 3504.006233] [] ext4_setattr+0xdbb/0x11bd [ 3504.022985] [] ? ext4_journalled_write_end+0x894/0x894 [ 3504.040542] [] notify_change+0xa68/0xc5b [ 3504.057127] [] do_truncate+0x165/0x1e5 [ 3504.071563] [] ? do_truncate+0x165/0x1e5 [ 3504.087361] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3504.107348] [] path_openat+0x222a/0x2525 [ 3504.121956] [] ? qlink_to_cache+0x10/0x87 [ 3504.137024] [] ? may_open+0x1c0/0x1c0 [ 3504.151732] [] ? deactivate_slab+0x53d/0x566 [ 3504.167790] [] ? getname_flags+0x4f/0x2e0 [ 3504.183565] [] ? init_object+0x1d6/0x1e2 [ 3504.195675] [] ? expand_files+0x68a/0x6d7 [ 3504.209399] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3504.226512] [] do_filp_open+0xe2/0x18c [ 3504.239604] [] ? path_openat+0x2525/0x2525 [ 3504.255107] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3504.273202] [] ? __alloc_fd+0x43d/0x47f [ 3504.288976] [] ? exit_files+0xaa/0xaa [ 3504.303244] [] do_sys_open+0xf5/0x342 [ 3504.317115] [] ? do_sys_open+0xf5/0x342 [ 3504.332269] [] ? __do_page_fault+0x6d3/0x96b [ 3504.348607] [] ? filp_open+0x68/0x68 [ 3504.361149] [] SyS_open+0x32/0x39 [ 3504.375778] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3504.394644] ================================================================================ [ 3504.419520] ================================================================================ [ 3504.443403] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3504.458607] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3504.483308] which requires 64 byte alignment [ 3504.492715] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3504.513496] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3504.538518] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf218 ffffffffb26ec5cc [ 3504.557216] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3504.574999] 0000000000000010 ffff88009e9bf240 ffff88009e9bf1f0 ffffffffb363c3e0 [ 3504.594207] Call Trace: [ 3504.600943] [] dump_stack+0xd7/0x132 [ 3504.614260] [] ? arch_local_irq_restore+0x1b/0x1b [ 3504.631261] [] ubsan_epilogue+0x12/0x53 [ 3504.645312] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3504.664923] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3504.685151] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3504.703814] [] ext4_get_group_info+0x32/0x1f8 [ 3504.718986] [] ? ext4_get_group_no_and_offset+0x21d/0x233 [ 3504.741328] [] ext4_free_blocks+0xbca/0x17cf [ 3504.755284] [] ? vprintk_default+0x65/0x6e [ 3504.772158] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3504.789169] [] ? arch_local_irq_restore+0x6/0xd [ 3504.807397] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3504.828915] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3504.846458] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3504.864289] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3504.881344] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3504.898349] [] ? arch_local_irq_restore+0x6/0xd [ 3504.916076] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3504.936533] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3504.962160] [] ? _cond_resched+0x19/0x23 [ 3504.975400] [] ? down_write+0xb3/0xea [ 3504.996718] [] ext4_ext_truncate+0x1ed/0x244 [ 3505.012227] [] ext4_truncate+0x5ba/0x8ce [ 3505.025617] [] ? ext4_punch_hole+0x83e/0x83e [ 3505.041970] [] ext4_setattr+0xdbb/0x11bd [ 3505.056233] [] ? ext4_journalled_write_end+0x894/0x894 [ 3505.074975] [] notify_change+0xa68/0xc5b [ 3505.089821] [] do_truncate+0x165/0x1e5 [ 3505.102901] [] ? do_truncate+0x165/0x1e5 [ 3505.116931] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3505.134901] [] path_openat+0x222a/0x2525 [ 3505.149276] [] ? qlink_to_cache+0x10/0x87 [ 3505.163739] [] ? may_open+0x1c0/0x1c0 [ 3505.175822] [] ? deactivate_slab+0x53d/0x566 [ 3505.191400] [] ? getname_flags+0x4f/0x2e0 [ 3505.205927] [] ? init_object+0x1d6/0x1e2 [ 3505.220132] [] ? expand_files+0x68a/0x6d7 [ 3505.235094] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3505.254481] [] do_filp_open+0xe2/0x18c [ 3505.268752] [] ? path_openat+0x2525/0x2525 [ 3505.284691] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3505.300272] [] ? __alloc_fd+0x43d/0x47f [ 3505.313933] [] ? exit_files+0xaa/0xaa [ 3505.330779] [] do_sys_open+0xf5/0x342 [ 3505.346994] [] ? do_sys_open+0xf5/0x342 [ 3505.362090] [] ? __do_page_fault+0x6d3/0x96b [ 3505.376932] [] ? filp_open+0x68/0x68 [ 3505.391642] [] SyS_open+0x32/0x39 [ 3505.404628] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3505.424089] ================================================================================ [ 3505.448714] ================================================================================ [ 3505.470513] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2813:3 [ 3505.485547] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3505.510873] which requires 64 byte alignment [ 3505.521956] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3505.542361] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3505.568246] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf218 ffffffffb26ec5cc [ 3505.589353] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3505.608901] ffffffff00000010 ffff88009e9bf240 ffff88009e9bf1f0 ffffffffb363c3e0 [ 3505.630523] Call Trace: [ 3505.639008] [] dump_stack+0xd7/0x132 [ 3505.653707] [] ? arch_local_irq_restore+0x1b/0x1b [ 3505.670620] [] ubsan_epilogue+0x12/0x53 [ 3505.684761] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3505.704639] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3505.723902] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3505.745971] [] ext4_get_group_info+0x62/0x1f8 [ 3505.762851] [] ? ext4_get_group_no_and_offset+0x21d/0x233 [ 3505.782941] [] ext4_free_blocks+0xbca/0x17cf [ 3505.797348] [] ? vprintk_default+0x65/0x6e [ 3505.812646] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3505.827558] [] ? arch_local_irq_restore+0x6/0xd [ 3505.843409] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3505.864933] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3505.884005] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3505.900119] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3505.919040] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3505.938879] [] ? arch_local_irq_restore+0x6/0xd [ 3505.955510] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3505.977859] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3505.995665] [] ? _cond_resched+0x19/0x23 [ 3506.011901] [] ? down_write+0xb3/0xea [ 3506.026640] [] ext4_ext_truncate+0x1ed/0x244 [ 3506.045279] [] ext4_truncate+0x5ba/0x8ce [ 3506.066100] [] ? ext4_punch_hole+0x83e/0x83e [ 3506.082924] [] ext4_setattr+0xdbb/0x11bd [ 3506.096761] [] ? ext4_journalled_write_end+0x894/0x894 [ 3506.115141] [] notify_change+0xa68/0xc5b [ 3506.131732] [] do_truncate+0x165/0x1e5 [ 3506.147736] [] ? do_truncate+0x165/0x1e5 [ 3506.162614] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3506.182507] [] path_openat+0x222a/0x2525 [ 3506.195927] [] ? qlink_to_cache+0x10/0x87 [ 3506.211494] [] ? may_open+0x1c0/0x1c0 [ 3506.225539] [] ? deactivate_slab+0x53d/0x566 [ 3506.242245] [] ? getname_flags+0x4f/0x2e0 [ 3506.258023] [] ? init_object+0x1d6/0x1e2 [ 3506.273301] [] ? expand_files+0x68a/0x6d7 [ 3506.291099] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3506.311546] [] do_filp_open+0xe2/0x18c [ 3506.325622] [] ? path_openat+0x2525/0x2525 [ 3506.341155] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3506.358688] [] ? __alloc_fd+0x43d/0x47f [ 3506.373632] [] ? exit_files+0xaa/0xaa [ 3506.389731] [] do_sys_open+0xf5/0x342 [ 3506.403038] [] ? do_sys_open+0xf5/0x342 [ 3506.417134] [] ? __do_page_fault+0x6d3/0x96b [ 3506.432475] [] ? filp_open+0x68/0x68 [ 3506.447458] [] SyS_open+0x32/0x39 [ 3506.461259] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3506.478777] ================================================================================ [ 3506.502385] ================================================================================ [ 3506.526214] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3506.543910] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3506.567439] which requires 64 byte alignment [ 3506.577382] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3506.595398] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3506.621609] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf218 ffffffffb26ec5cc [ 3506.640093] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3506.659553] ffffffff00000010 ffff88009e9bf240 ffff88009e9bf1f0 ffffffffb363c3e0 [ 3506.677871] Call Trace: [ 3506.684687] [] dump_stack+0xd7/0x132 [ 3506.697037] [] ? arch_local_irq_restore+0x1b/0x1b [ 3506.715685] [] ubsan_epilogue+0x12/0x53 [ 3506.730563] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3506.749460] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3506.768861] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3506.788712] [] ext4_get_group_info+0xa2/0x1f8 [ 3506.803890] [] ? ext4_get_group_no_and_offset+0x21d/0x233 [ 3506.823160] [] ext4_free_blocks+0xbca/0x17cf [ 3506.841862] [] ? vprintk_default+0x65/0x6e [ 3506.855395] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3506.874726] [] ? arch_local_irq_restore+0x6/0xd [ 3506.892605] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3506.910349] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3506.930500] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3506.949177] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3506.969434] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3506.991530] [] ? arch_local_irq_restore+0x6/0xd [ 3507.007013] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3507.024053] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3507.042582] [] ? _cond_resched+0x19/0x23 [ 3507.057062] [] ? down_write+0xb3/0xea [ 3507.072220] [] ext4_ext_truncate+0x1ed/0x244 [ 3507.088849] [] ext4_truncate+0x5ba/0x8ce [ 3507.103775] [] ? ext4_punch_hole+0x83e/0x83e [ 3507.120201] [] ext4_setattr+0xdbb/0x11bd [ 3507.135863] [] ? ext4_journalled_write_end+0x894/0x894 [ 3507.153127] [] notify_change+0xa68/0xc5b [ 3507.167320] [] do_truncate+0x165/0x1e5 [ 3507.182090] [] ? do_truncate+0x165/0x1e5 [ 3507.195047] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3507.217002] [] path_openat+0x222a/0x2525 [ 3507.230685] [] ? qlink_to_cache+0x10/0x87 [ 3507.247897] [] ? may_open+0x1c0/0x1c0 [ 3507.261913] [] ? deactivate_slab+0x53d/0x566 [ 3507.275626] [] ? getname_flags+0x4f/0x2e0 [ 3507.289842] [] ? init_object+0x1d6/0x1e2 [ 3507.305016] [] ? expand_files+0x68a/0x6d7 [ 3507.323150] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3507.343062] [] do_filp_open+0xe2/0x18c [ 3507.356377] [] ? path_openat+0x2525/0x2525 [ 3507.372307] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3507.389302] [] ? __alloc_fd+0x43d/0x47f [ 3507.404191] [] ? exit_files+0xaa/0xaa [ 3507.417306] [] do_sys_open+0xf5/0x342 [ 3507.432976] [] ? do_sys_open+0xf5/0x342 [ 3507.446164] [] ? __do_page_fault+0x6d3/0x96b [ 3507.464625] [] ? filp_open+0x68/0x68 [ 3507.478509] [] SyS_open+0x32/0x39 [ 3507.490417] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3507.507792] ================================================================================ [ 3507.530073] ================================================================================ [ 3507.554568] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2814:12 [ 3507.572527] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3507.595983] which requires 64 byte alignment [ 3507.609474] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3507.626498] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3507.651596] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf218 ffffffffb26ec5cc [ 3507.673424] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3507.693843] ffffffff00000010 ffff88009e9bf240 ffff88009e9bf1f0 ffffffffb363c3e0 [ 3507.715302] Call Trace: [ 3507.722501] [] dump_stack+0xd7/0x132 [ 3507.735954] [] ? arch_local_irq_restore+0x1b/0x1b [ 3507.751507] [] ubsan_epilogue+0x12/0x53 [ 3507.765140] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3507.787365] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3507.805895] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3507.828286] [] ext4_get_group_info+0xbc/0x1f8 [ 3507.845013] [] ? ext4_get_group_no_and_offset+0x21d/0x233 [ 3507.863984] [] ext4_free_blocks+0xbca/0x17cf [ 3507.878018] [] ? vprintk_default+0x65/0x6e [ 3507.896008] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3507.915905] [] ? arch_local_irq_restore+0x6/0xd [ 3507.934100] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3507.956016] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3507.979527] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3507.996119] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3508.013658] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3508.033695] [] ? arch_local_irq_restore+0x6/0xd [ 3508.049711] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3508.065652] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3508.082964] [] ? _cond_resched+0x19/0x23 [ 3508.097681] [] ? down_write+0xb3/0xea [ 3508.113526] [] ext4_ext_truncate+0x1ed/0x244 [ 3508.128592] [] ext4_truncate+0x5ba/0x8ce [ 3508.142215] [] ? ext4_punch_hole+0x83e/0x83e [ 3508.154970] [] ext4_setattr+0xdbb/0x11bd [ 3508.172406] [] ? ext4_journalled_write_end+0x894/0x894 [ 3508.192160] [] notify_change+0xa68/0xc5b [ 3508.209106] [] do_truncate+0x165/0x1e5 [ 3508.222703] [] ? do_truncate+0x165/0x1e5 [ 3508.237506] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3508.253805] [] path_openat+0x222a/0x2525 [ 3508.271911] [] ? qlink_to_cache+0x10/0x87 [ 3508.287901] [] ? may_open+0x1c0/0x1c0 [ 3508.301795] [] ? deactivate_slab+0x53d/0x566 [ 3508.318191] [] ? getname_flags+0x4f/0x2e0 [ 3508.331863] [] ? init_object+0x1d6/0x1e2 [ 3508.346052] [] ? expand_files+0x68a/0x6d7 [ 3508.363129] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3508.383301] [] do_filp_open+0xe2/0x18c [ 3508.396644] [] ? path_openat+0x2525/0x2525 [ 3508.413655] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3508.430456] [] ? __alloc_fd+0x43d/0x47f [ 3508.444520] [] ? exit_files+0xaa/0xaa [ 3508.458764] [] do_sys_open+0xf5/0x342 [ 3508.471711] [] ? do_sys_open+0xf5/0x342 [ 3508.486539] [] ? __do_page_fault+0x6d3/0x96b [ 3508.501932] [] ? filp_open+0x68/0x68 [ 3508.515979] [] SyS_open+0x32/0x39 [ 3508.532443] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3508.548001] ================================================================================ [ 3508.570676] ================================================================================ [ 3508.596457] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3508.615389] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3508.640267] which requires 64 byte alignment [ 3508.651509] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3508.671381] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3508.695642] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf218 ffffffffb26ec5cc [ 3508.715698] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3508.735429] ffffffff00000010 ffff88009e9bf240 ffff88009e9bf1f0 ffffffffb363c3e0 [ 3508.755499] Call Trace: [ 3508.760711] [] dump_stack+0xd7/0x132 [ 3508.772359] [] ? arch_local_irq_restore+0x1b/0x1b [ 3508.788904] [] ubsan_epilogue+0x12/0x53 [ 3508.803422] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3508.821134] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3508.842421] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3508.861498] [] ext4_get_group_info+0xec/0x1f8 [ 3508.875320] [] ext4_free_blocks+0xbca/0x17cf [ 3508.893051] [] ? vprintk_default+0x65/0x6e [ 3508.909813] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3508.924163] [] ? arch_local_irq_restore+0x6/0xd [ 3508.939459] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3508.957721] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3508.975428] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3508.995879] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3509.012671] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3509.029003] [] ? arch_local_irq_restore+0x6/0xd [ 3509.044745] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3509.062177] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3509.078301] [] ? _cond_resched+0x19/0x23 [ 3509.092371] [] ? down_write+0xb3/0xea [ 3509.105367] [] ext4_ext_truncate+0x1ed/0x244 [ 3509.123678] [] ext4_truncate+0x5ba/0x8ce [ 3509.138264] [] ? ext4_punch_hole+0x83e/0x83e [ 3509.154636] [] ext4_setattr+0xdbb/0x11bd [ 3509.170740] [] ? ext4_journalled_write_end+0x894/0x894 [ 3509.188651] [] notify_change+0xa68/0xc5b [ 3509.203081] [] do_truncate+0x165/0x1e5 [ 3509.217808] [] ? do_truncate+0x165/0x1e5 [ 3509.232064] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3509.250269] [] path_openat+0x222a/0x2525 [ 3509.266726] [] ? qlink_to_cache+0x10/0x87 [ 3509.281633] [] ? may_open+0x1c0/0x1c0 [ 3509.294734] [] ? deactivate_slab+0x53d/0x566 [ 3509.308727] [] ? getname_flags+0x4f/0x2e0 [ 3509.322975] [] ? init_object+0x1d6/0x1e2 [ 3509.336141] [] ? expand_files+0x68a/0x6d7 [ 3509.350292] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3509.368557] [] do_filp_open+0xe2/0x18c [ 3509.383616] [] ? path_openat+0x2525/0x2525 [ 3509.397594] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3509.419061] [] ? __alloc_fd+0x43d/0x47f [ 3509.435475] [] ? exit_files+0xaa/0xaa [ 3509.449100] [] do_sys_open+0xf5/0x342 [ 3509.463270] [] ? do_sys_open+0xf5/0x342 [ 3509.477001] [] ? __do_page_fault+0x6d3/0x96b [ 3509.492055] [] ? filp_open+0x68/0x68 [ 3509.506455] [] SyS_open+0x32/0x39 [ 3509.517374] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3509.534351] ================================================================================ [ 3509.553181] ================================================================================ [ 3509.574310] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2815:22 [ 3509.589429] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3509.612241] which requires 64 byte alignment [ 3509.624158] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3509.644419] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3509.670086] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf218 ffffffffb26ec5cc [ 3509.689328] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3509.708970] ffffffff00000010 ffff88009e9bf240 ffff88009e9bf1f0 ffffffffb363c3e0 [ 3509.730059] Call Trace: [ 3509.737918] [] dump_stack+0xd7/0x132 [ 3509.750904] [] ? arch_local_irq_restore+0x1b/0x1b [ 3509.769608] [] ubsan_epilogue+0x12/0x53 [ 3509.782956] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3509.800240] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3509.819060] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3509.837439] [] ext4_get_group_info+0x106/0x1f8 [ 3509.853527] [] ext4_free_blocks+0xbca/0x17cf [ 3509.870242] [] ? vprintk_default+0x65/0x6e [ 3509.885806] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3509.904775] [] ? arch_local_irq_restore+0x6/0xd [ 3509.921797] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3509.938486] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3509.960055] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3509.977918] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3509.995702] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3510.015286] [] ? arch_local_irq_restore+0x6/0xd [ 3510.029694] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3510.049506] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3510.068337] [] ? _cond_resched+0x19/0x23 [ 3510.083667] [] ? down_write+0xb3/0xea [ 3510.095531] [] ext4_ext_truncate+0x1ed/0x244 [ 3510.112426] [] ext4_truncate+0x5ba/0x8ce [ 3510.126080] [] ? ext4_punch_hole+0x83e/0x83e [ 3510.143667] [] ext4_setattr+0xdbb/0x11bd [ 3510.156173] [] ? ext4_journalled_write_end+0x894/0x894 [ 3510.174359] [] notify_change+0xa68/0xc5b [ 3510.191116] [] do_truncate+0x165/0x1e5 [ 3510.205795] [] ? do_truncate+0x165/0x1e5 [ 3510.222455] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3510.239795] [] path_openat+0x222a/0x2525 [ 3510.253680] [] ? qlink_to_cache+0x10/0x87 [ 3510.267869] [] ? may_open+0x1c0/0x1c0 [ 3510.281886] [] ? deactivate_slab+0x53d/0x566 [ 3510.295185] [] ? getname_flags+0x4f/0x2e0 [ 3510.311200] [] ? init_object+0x1d6/0x1e2 [ 3510.324735] [] ? expand_files+0x68a/0x6d7 [ 3510.340449] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3510.361301] [] do_filp_open+0xe2/0x18c [ 3510.375531] [] ? path_openat+0x2525/0x2525 [ 3510.390803] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3510.409312] [] ? __alloc_fd+0x43d/0x47f [ 3510.421684] [] ? exit_files+0xaa/0xaa [ 3510.434756] [] do_sys_open+0xf5/0x342 [ 3510.447378] [] ? do_sys_open+0xf5/0x342 [ 3510.462086] [] ? __do_page_fault+0x6d3/0x96b [ 3510.478540] [] ? filp_open+0x68/0x68 [ 3510.493867] [] SyS_open+0x32/0x39 [ 3510.506955] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3510.528003] ================================================================================ [ 3510.550556] ================================================================================ [ 3510.574408] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3510.588564] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3510.611238] which requires 64 byte alignment [ 3510.620639] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3510.643028] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3510.668694] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf218 ffffffffb26ec5cc [ 3510.689451] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3510.712607] ffffffff00000010 ffff88009e9bf240 ffff88009e9bf1f0 ffffffffb363c3e0 [ 3510.736679] Call Trace: [ 3510.746883] [] dump_stack+0xd7/0x132 [ 3510.760474] [] ? arch_local_irq_restore+0x1b/0x1b [ 3510.775801] [] ubsan_epilogue+0x12/0x53 [ 3510.792801] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3510.811807] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3510.833330] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3510.852493] [] ext4_get_group_info+0x15d/0x1f8 [ 3510.870113] [] ext4_free_blocks+0xbca/0x17cf [ 3510.887521] [] ? vprintk_default+0x65/0x6e [ 3510.902037] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3510.921791] [] ? arch_local_irq_restore+0x6/0xd [ 3510.940966] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3510.959830] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3510.981531] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3510.999033] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3511.017793] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3511.037855] [] ? arch_local_irq_restore+0x6/0xd [ 3511.057232] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3511.074721] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3511.092852] [] ? _cond_resched+0x19/0x23 [ 3511.110022] [] ? down_write+0xb3/0xea [ 3511.123960] [] ext4_ext_truncate+0x1ed/0x244 [ 3511.143188] [] ext4_truncate+0x5ba/0x8ce [ 3511.160236] [] ? ext4_punch_hole+0x83e/0x83e [ 3511.179613] [] ext4_setattr+0xdbb/0x11bd [ 3511.193169] [] ? ext4_journalled_write_end+0x894/0x894 [ 3511.211275] [] notify_change+0xa68/0xc5b [ 3511.225078] [] do_truncate+0x165/0x1e5 [ 3511.241984] [] ? do_truncate+0x165/0x1e5 [ 3511.258762] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3511.276724] [] path_openat+0x222a/0x2525 [ 3511.292490] [] ? qlink_to_cache+0x10/0x87 [ 3511.309396] [] ? may_open+0x1c0/0x1c0 [ 3511.324528] [] ? deactivate_slab+0x53d/0x566 [ 3511.342317] [] ? getname_flags+0x4f/0x2e0 [ 3511.356858] [] ? init_object+0x1d6/0x1e2 [ 3511.372406] [] ? expand_files+0x68a/0x6d7 [ 3511.388877] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3511.407836] [] do_filp_open+0xe2/0x18c [ 3511.423328] [] ? path_openat+0x2525/0x2525 [ 3511.440112] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3511.455566] [] ? __alloc_fd+0x43d/0x47f [ 3511.470181] [] ? exit_files+0xaa/0xaa [ 3511.482643] [] do_sys_open+0xf5/0x342 [ 3511.496699] [] ? do_sys_open+0xf5/0x342 [ 3511.512228] [] ? __do_page_fault+0x6d3/0x96b [ 3511.529025] [] ? filp_open+0x68/0x68 [ 3511.544000] [] SyS_open+0x32/0x39 [ 3511.557049] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3511.572907] ================================================================================ [ 3511.594025] ================================================================================ [ 3511.616233] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2816:22 [ 3511.631450] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3511.656543] which requires 64 byte alignment [ 3511.668455] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3511.687298] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3511.712693] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf218 ffffffffb26ec5cc [ 3511.735972] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3511.755204] ffffffff00000010 ffff88009e9bf240 ffff88009e9bf1f0 ffffffffb363c3e0 [ 3511.777319] Call Trace: [ 3511.784759] [] dump_stack+0xd7/0x132 [ 3511.797919] [] ? arch_local_irq_restore+0x1b/0x1b [ 3511.818170] [] ubsan_epilogue+0x12/0x53 [ 3511.831601] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3511.848847] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3511.868837] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3511.908570] [] ext4_get_group_info+0x185/0x1f8 [ 3511.943996] [] ext4_free_blocks+0xbca/0x17cf [ 3511.983182] [] ? vprintk_default+0x65/0x6e [ 3512.022930] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3512.065052] [] ? arch_local_irq_restore+0x6/0xd [ 3512.161053] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3512.218952] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3512.280306] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3512.313669] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3512.345404] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3512.384461] [] ? arch_local_irq_restore+0x6/0xd [ 3512.414743] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3512.447313] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3512.483820] [] ? _cond_resched+0x19/0x23 [ 3512.517124] [] ? down_write+0xb3/0xea [ 3512.540824] [] ext4_ext_truncate+0x1ed/0x244 [ 3512.599777] [] ext4_truncate+0x5ba/0x8ce [ 3512.631592] [] ? ext4_punch_hole+0x83e/0x83e [ 3512.673324] [] ext4_setattr+0xdbb/0x11bd [ 3512.690274] [] ? ext4_journalled_write_end+0x894/0x894 [ 3512.710355] [] notify_change+0xa68/0xc5b [ 3512.726474] [] do_truncate+0x165/0x1e5 [ 3512.739298] [] ? do_truncate+0x165/0x1e5 [ 3512.752835] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3512.771195] [] path_openat+0x222a/0x2525 [ 3512.787429] [] ? qlink_to_cache+0x10/0x87 [ 3512.802089] [] ? may_open+0x1c0/0x1c0 [ 3512.814740] [] ? deactivate_slab+0x53d/0x566 [ 3512.834028] [] ? getname_flags+0x4f/0x2e0 [ 3512.847834] [] ? init_object+0x1d6/0x1e2 [ 3512.865869] [] ? expand_files+0x68a/0x6d7 [ 3512.882432] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3512.904063] [] do_filp_open+0xe2/0x18c [ 3512.916720] [] ? path_openat+0x2525/0x2525 [ 3512.934315] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3512.951865] [] ? __alloc_fd+0x43d/0x47f [ 3512.966080] [] ? exit_files+0xaa/0xaa [ 3512.981493] [] do_sys_open+0xf5/0x342 [ 3512.993682] [] ? do_sys_open+0xf5/0x342 [ 3513.008056] [] ? __do_page_fault+0x6d3/0x96b [ 3513.021442] [] ? filp_open+0x68/0x68 [ 3513.035029] [] SyS_open+0x32/0x39 [ 3513.048504] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3513.068808] ================================================================================ [ 3513.091086] ================================================================================ [ 3513.117319] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4760:6 [ 3513.135671] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3513.160308] which requires 64 byte alignment [ 3513.172533] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3513.192257] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3513.218070] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3513.241420] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3513.261171] ffff880000000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3513.281875] Call Trace: [ 3513.288244] [] dump_stack+0xd7/0x132 [ 3513.303965] [] ? arch_local_irq_restore+0x1b/0x1b [ 3513.320442] [] ubsan_epilogue+0x12/0x53 [ 3513.334833] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3513.352218] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3513.370867] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3513.386939] [] ext4_free_blocks+0xc1f/0x17cf [ 3513.401903] [] ? vprintk_default+0x65/0x6e [ 3513.416581] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3513.435200] [] ? arch_local_irq_restore+0x6/0xd [ 3513.452602] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3513.471697] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3513.491602] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3513.510659] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3513.526794] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3513.545232] [] ? arch_local_irq_restore+0x6/0xd [ 3513.562165] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3513.579498] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3513.598409] [] ? _cond_resched+0x19/0x23 [ 3513.613861] [] ? down_write+0xb3/0xea [ 3513.628597] [] ext4_ext_truncate+0x1ed/0x244 [ 3513.643161] [] ext4_truncate+0x5ba/0x8ce [ 3513.659512] [] ? ext4_punch_hole+0x83e/0x83e [ 3513.674086] [] ext4_setattr+0xdbb/0x11bd [ 3513.691213] [] ? ext4_journalled_write_end+0x894/0x894 [ 3513.709235] [] notify_change+0xa68/0xc5b [ 3513.723800] [] do_truncate+0x165/0x1e5 [ 3513.740955] [] ? do_truncate+0x165/0x1e5 [ 3513.755490] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3513.772955] [] path_openat+0x222a/0x2525 [ 3513.788613] [] ? qlink_to_cache+0x10/0x87 [ 3513.803142] [] ? may_open+0x1c0/0x1c0 [ 3513.816300] [] ? deactivate_slab+0x53d/0x566 [ 3513.831474] [] ? getname_flags+0x4f/0x2e0 [ 3513.845464] [] ? init_object+0x1d6/0x1e2 [ 3513.864513] [] ? expand_files+0x68a/0x6d7 [ 3513.879935] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3513.899660] [] do_filp_open+0xe2/0x18c [ 3513.913787] [] ? path_openat+0x2525/0x2525 [ 3513.929095] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3513.947929] [] ? __alloc_fd+0x43d/0x47f [ 3513.962473] [] ? exit_files+0xaa/0xaa [ 3513.975883] [] do_sys_open+0xf5/0x342 [ 3513.987898] [] ? do_sys_open+0xf5/0x342 [ 3514.002484] [] ? __do_page_fault+0x6d3/0x96b [ 3514.019020] [] ? filp_open+0x68/0x68 [ 3514.034200] [] SyS_open+0x32/0x39 [ 3514.046801] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3514.064532] ================================================================================ [ 3514.085285] ================================================================================ [ 3514.108329] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3514.123314] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3514.144847] which requires 64 byte alignment [ 3514.156493] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3514.179714] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3514.206020] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3514.225028] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3514.245239] ffffffff00000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3514.265615] Call Trace: [ 3514.271542] [] dump_stack+0xd7/0x132 [ 3514.285337] [] ? arch_local_irq_restore+0x1b/0x1b [ 3514.302274] [] ubsan_epilogue+0x12/0x53 [ 3514.315901] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3514.333517] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3514.351429] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3514.367313] [] ext4_free_blocks+0xc8e/0x17cf [ 3514.383807] [] ? vprintk_default+0x65/0x6e [ 3514.397087] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3514.414507] [] ? arch_local_irq_restore+0x6/0xd [ 3514.431740] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3514.450577] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3514.470843] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3514.489256] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3514.507762] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3514.525873] [] ? arch_local_irq_restore+0x6/0xd [ 3514.542442] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3514.559630] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3514.580123] [] ? _cond_resched+0x19/0x23 [ 3514.593158] [] ? down_write+0xb3/0xea [ 3514.609152] [] ext4_ext_truncate+0x1ed/0x244 [ 3514.624480] [] ext4_truncate+0x5ba/0x8ce [ 3514.640093] [] ? ext4_punch_hole+0x83e/0x83e [ 3514.655407] [] ext4_setattr+0xdbb/0x11bd [ 3514.670480] [] ? ext4_journalled_write_end+0x894/0x894 [ 3514.687713] [] notify_change+0xa68/0xc5b [ 3514.701174] [] do_truncate+0x165/0x1e5 [ 3514.715178] [] ? do_truncate+0x165/0x1e5 [ 3514.732775] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3514.751332] [] path_openat+0x222a/0x2525 [ 3514.765703] [] ? qlink_to_cache+0x10/0x87 [ 3514.781572] [] ? may_open+0x1c0/0x1c0 [ 3514.794093] [] ? deactivate_slab+0x53d/0x566 [ 3514.811004] [] ? getname_flags+0x4f/0x2e0 [ 3514.824785] [] ? init_object+0x1d6/0x1e2 [ 3514.840811] [] ? expand_files+0x68a/0x6d7 [ 3514.855450] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3514.873744] [] do_filp_open+0xe2/0x18c [ 3514.890550] [] ? path_openat+0x2525/0x2525 [ 3514.907714] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3514.924184] [] ? __alloc_fd+0x43d/0x47f [ 3514.936741] [] ? exit_files+0xaa/0xaa [ 3514.951696] [] do_sys_open+0xf5/0x342 [ 3514.964344] [] ? do_sys_open+0xf5/0x342 [ 3514.978988] [] ? __do_page_fault+0x6d3/0x96b [ 3514.993043] [] ? filp_open+0x68/0x68 [ 3515.006973] [] SyS_open+0x32/0x39 [ 3515.021297] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3515.037052] ================================================================================ [ 3515.060117] ================================================================================ [ 3515.082589] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4760:35 [ 3515.098820] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3515.123543] which requires 64 byte alignment [ 3515.135578] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3515.153388] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3515.178663] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3515.200518] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3515.223091] ffffffff00000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3515.241988] Call Trace: [ 3515.248353] [] dump_stack+0xd7/0x132 [ 3515.263260] [] ? arch_local_irq_restore+0x1b/0x1b [ 3515.281138] [] ubsan_epilogue+0x12/0x53 [ 3515.296752] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3515.315512] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3515.336667] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3515.353858] [] ext4_free_blocks+0xcc2/0x17cf [ 3515.370391] [] ? vprintk_default+0x65/0x6e [ 3515.386318] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3515.403704] [] ? arch_local_irq_restore+0x6/0xd [ 3515.420510] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3515.439731] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3515.459469] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3515.476564] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3515.493763] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3515.511122] [] ? arch_local_irq_restore+0x6/0xd [ 3515.528576] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3515.545569] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3515.564057] [] ? _cond_resched+0x19/0x23 [ 3515.579706] [] ? down_write+0xb3/0xea [ 3515.593031] [] ext4_ext_truncate+0x1ed/0x244 [ 3515.610197] [] ext4_truncate+0x5ba/0x8ce [ 3515.624788] [] ? ext4_punch_hole+0x83e/0x83e [ 3515.642422] [] ext4_setattr+0xdbb/0x11bd [ 3515.658034] [] ? ext4_journalled_write_end+0x894/0x894 [ 3515.675895] [] notify_change+0xa68/0xc5b [ 3515.690788] [] do_truncate+0x165/0x1e5 [ 3515.704136] [] ? do_truncate+0x165/0x1e5 [ 3515.721672] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3515.743439] [] path_openat+0x222a/0x2525 [ 3515.762670] [] ? qlink_to_cache+0x10/0x87 [ 3515.777616] [] ? may_open+0x1c0/0x1c0 [ 3515.948216] [] ? deactivate_slab+0x53d/0x566 [ 3515.963972] [] ? getname_flags+0x4f/0x2e0 [ 3515.981516] [] ? init_object+0x1d6/0x1e2 [ 3515.995934] [] ? expand_files+0x68a/0x6d7 [ 3516.012757] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3516.034995] [] do_filp_open+0xe2/0x18c [ 3516.051426] [] ? path_openat+0x2525/0x2525 [ 3516.067320] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3516.084290] [] ? __alloc_fd+0x43d/0x47f [ 3516.100556] [] ? exit_files+0xaa/0xaa [ 3516.113118] [] do_sys_open+0xf5/0x342 [ 3516.127397] [] ? do_sys_open+0xf5/0x342 [ 3516.142083] [] ? __do_page_fault+0x6d3/0x96b [ 3516.157229] [] ? filp_open+0x68/0x68 [ 3516.169598] [] SyS_open+0x32/0x39 [ 3516.183260] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3516.203580] ================================================================================ [ 3516.224477] ================================================================================ [ 3516.247064] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4765:19 [ 3516.264424] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3516.287547] which requires 64 byte alignment [ 3516.298474] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3516.318344] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3516.343516] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3516.364358] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3516.389691] ffffffff00000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3516.409144] Call Trace: [ 3516.414442] [] dump_stack+0xd7/0x132 [ 3516.429311] [] ? arch_local_irq_restore+0x1b/0x1b [ 3516.446705] [] ubsan_epilogue+0x12/0x53 [ 3516.460529] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3516.480552] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3516.500568] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3516.515168] [] ext4_free_blocks+0xde4/0x17cf [ 3516.533389] [] ? vprintk_default+0x65/0x6e [ 3516.550222] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3516.566013] [] ? arch_local_irq_restore+0x6/0xd [ 3516.582372] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3516.603527] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3516.622766] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3516.642202] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3516.662833] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3516.681156] [] ? arch_local_irq_restore+0x6/0xd [ 3516.696828] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3516.716585] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3516.734079] [] ? _cond_resched+0x19/0x23 [ 3516.749531] [] ? down_write+0xb3/0xea [ 3516.765322] [] ext4_ext_truncate+0x1ed/0x244 [ 3516.782122] [] ext4_truncate+0x5ba/0x8ce [ 3516.796436] [] ? ext4_punch_hole+0x83e/0x83e [ 3516.814195] [] ext4_setattr+0xdbb/0x11bd [ 3516.829304] [] ? ext4_journalled_write_end+0x894/0x894 [ 3516.847968] [] notify_change+0xa68/0xc5b [ 3516.863918] [] do_truncate+0x165/0x1e5 [ 3516.876901] [] ? do_truncate+0x165/0x1e5 [ 3516.891777] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3516.910440] [] path_openat+0x222a/0x2525 [ 3516.925952] [] ? qlink_to_cache+0x10/0x87 [ 3516.941388] [] ? may_open+0x1c0/0x1c0 [ 3516.957119] [] ? deactivate_slab+0x53d/0x566 [ 3516.973439] [] ? getname_flags+0x4f/0x2e0 [ 3516.988354] [] ? init_object+0x1d6/0x1e2 [ 3517.002169] [] ? expand_files+0x68a/0x6d7 [ 3517.015260] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3517.036486] [] do_filp_open+0xe2/0x18c [ 3517.052958] [] ? path_openat+0x2525/0x2525 [ 3517.068752] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3517.084012] [] ? __alloc_fd+0x43d/0x47f [ 3517.096725] [] ? exit_files+0xaa/0xaa [ 3517.110448] [] do_sys_open+0xf5/0x342 [ 3517.124501] [] ? do_sys_open+0xf5/0x342 [ 3517.139746] [] ? __do_page_fault+0x6d3/0x96b [ 3517.155647] [] ? filp_open+0x68/0x68 [ 3517.169386] [] SyS_open+0x32/0x39 [ 3517.182716] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3517.198409] ================================================================================ [ 3517.224598] ================================================================================ [ 3517.250992] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4765:19 [ 3517.269121] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3517.293491] which requires 64 byte alignment [ 3517.305005] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3517.323643] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3517.349912] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3517.398894] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3517.425644] ffffffff00000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3517.445558] Call Trace: [ 3517.454861] [] dump_stack+0xd7/0x132 [ 3517.469593] [] ? arch_local_irq_restore+0x1b/0x1b [ 3517.489440] [] ubsan_epilogue+0x12/0x53 [ 3517.504332] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3517.521813] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3517.541519] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3517.562615] [] ext4_free_blocks+0xe1a/0x17cf [ 3517.581391] [] ? vprintk_default+0x65/0x6e [ 3517.595108] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3517.611616] [] ? arch_local_irq_restore+0x6/0xd [ 3517.627796] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3517.643849] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3517.662113] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3517.678167] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3517.693948] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3517.713741] [] ? arch_local_irq_restore+0x6/0xd [ 3517.730225] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3517.747452] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3517.763409] [] ? _cond_resched+0x19/0x23 [ 3517.779504] [] ? down_write+0xb3/0xea [ 3517.791377] [] ext4_ext_truncate+0x1ed/0x244 [ 3517.808252] [] ext4_truncate+0x5ba/0x8ce [ 3517.822603] [] ? ext4_punch_hole+0x83e/0x83e [ 3517.838369] [] ext4_setattr+0xdbb/0x11bd [ 3517.853143] [] ? ext4_journalled_write_end+0x894/0x894 [ 3517.871870] [] notify_change+0xa68/0xc5b [ 3517.888121] [] do_truncate+0x165/0x1e5 [ 3517.901448] [] ? do_truncate+0x165/0x1e5 [ 3517.914977] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3517.935649] [] path_openat+0x222a/0x2525 [ 3517.954292] [] ? qlink_to_cache+0x10/0x87 [ 3517.971140] [] ? may_open+0x1c0/0x1c0 [ 3517.985620] [] ? deactivate_slab+0x53d/0x566 [ 3518.001153] [] ? getname_flags+0x4f/0x2e0 [ 3518.015110] [] ? init_object+0x1d6/0x1e2 [ 3518.030696] [] ? expand_files+0x68a/0x6d7 [ 3518.045430] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3518.068127] [] do_filp_open+0xe2/0x18c [ 3518.082067] [] ? path_openat+0x2525/0x2525 [ 3518.094812] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3518.109983] [] ? __alloc_fd+0x43d/0x47f [ 3518.123225] [] ? exit_files+0xaa/0xaa [ 3518.137914] [] do_sys_open+0xf5/0x342 [ 3518.151076] [] ? do_sys_open+0xf5/0x342 [ 3518.169192] [] ? __do_page_fault+0x6d3/0x96b [ 3518.187553] [] ? filp_open+0x68/0x68 [ 3518.200582] [] SyS_open+0x32/0x39 [ 3518.213864] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3518.232617] ================================================================================ [ 3518.253408] ================================================================================ [ 3518.273684] UBSAN: Undefined behaviour in ./include/linux/buffer_head.h:319:43 [ 3518.296608] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3518.322609] which requires 64 byte alignment [ 3518.334538] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3518.352384] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3518.375604] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf1b8 ffffffffb26ec5cc [ 3518.400024] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3518.419098] 0000000000000010 ffff88009e9bf1e0 ffff88009e9bf190 ffffffffb363c3e0 [ 3518.439116] Call Trace: [ 3518.444228] [] dump_stack+0xd7/0x132 [ 3518.459195] [] ? arch_local_irq_restore+0x1b/0x1b [ 3518.476359] [] ubsan_epilogue+0x12/0x53 [ 3518.490825] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3518.508989] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3518.527307] [] ext4_read_block_bitmap_nowait+0x69/0xab2 [ 3518.545146] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3518.565415] [] ext4_read_block_bitmap+0x24/0x64 [ 3518.582144] [] ext4_free_blocks+0xe69/0x17cf [ 3518.596083] [] ? vprintk_default+0x65/0x6e [ 3518.611622] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3518.631176] [] ? arch_local_irq_restore+0x6/0xd [ 3518.646421] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3518.664750] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3518.684028] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3518.699240] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3518.715431] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3518.736357] [] ? arch_local_irq_restore+0x6/0xd [ 3518.751931] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3518.768515] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3518.787958] [] ? _cond_resched+0x19/0x23 [ 3518.804195] [] ? down_write+0xb3/0xea [ 3518.819364] [] ext4_ext_truncate+0x1ed/0x244 [ 3518.834348] [] ext4_truncate+0x5ba/0x8ce [ 3518.849975] [] ? ext4_punch_hole+0x83e/0x83e [ 3518.865003] [] ext4_setattr+0xdbb/0x11bd [ 3518.881752] [] ? ext4_journalled_write_end+0x894/0x894 [ 3518.901543] [] notify_change+0xa68/0xc5b [ 3518.915669] [] do_truncate+0x165/0x1e5 [ 3518.931553] [] ? do_truncate+0x165/0x1e5 [ 3518.945443] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3518.964659] [] path_openat+0x222a/0x2525 [ 3518.979761] [] ? qlink_to_cache+0x10/0x87 [ 3518.993002] [] ? may_open+0x1c0/0x1c0 [ 3519.008245] [] ? deactivate_slab+0x53d/0x566 [ 3519.024908] [] ? getname_flags+0x4f/0x2e0 [ 3519.038717] [] ? init_object+0x1d6/0x1e2 [ 3519.055018] [] ? expand_files+0x68a/0x6d7 [ 3519.071239] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3519.091438] [] do_filp_open+0xe2/0x18c [ 3519.106261] [] ? path_openat+0x2525/0x2525 [ 3519.120324] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3519.138721] [] ? __alloc_fd+0x43d/0x47f [ 3519.151393] [] ? exit_files+0xaa/0xaa [ 3519.165959] [] do_sys_open+0xf5/0x342 [ 3519.184336] [] ? do_sys_open+0xf5/0x342 [ 3519.199193] [] ? __do_page_fault+0x6d3/0x96b [ 3519.214666] [] ? filp_open+0x68/0x68 [ 3519.230594] [] SyS_open+0x32/0x39 [ 3519.243946] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3519.261315] ================================================================================ [ 3519.283564] ================================================================================ [ 3519.306011] UBSAN: Undefined behaviour in ./include/linux/buffer_head.h:319:9 [ 3519.323952] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3519.348745] which requires 64 byte alignment [ 3519.360761] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3519.382354] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3519.410861] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf1b8 ffffffffb26ec5cc [ 3519.432779] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3519.453525] ffffffff00000010 ffff88009e9bf1e0 ffff88009e9bf190 ffffffffb363c3e0 [ 3519.474221] Call Trace: [ 3519.479393] [] dump_stack+0xd7/0x132 [ 3519.492189] [] ? arch_local_irq_restore+0x1b/0x1b [ 3519.509311] [] ubsan_epilogue+0x12/0x53 [ 3519.524445] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3519.542849] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3519.562788] [] ext4_read_block_bitmap_nowait+0x99/0xab2 [ 3519.580162] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3519.596668] [] ext4_read_block_bitmap+0x24/0x64 [ 3519.616401] [] ext4_free_blocks+0xe69/0x17cf [ 3519.632451] [] ? vprintk_default+0x65/0x6e [ 3519.646897] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3519.664058] [] ? arch_local_irq_restore+0x6/0xd [ 3519.682245] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3519.700202] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3519.721017] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3519.737832] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3519.752160] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3519.769997] [] ? arch_local_irq_restore+0x6/0xd [ 3519.785463] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3519.799921] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3519.815890] [] ? _cond_resched+0x19/0x23 [ 3519.832802] [] ? down_write+0xb3/0xea [ 3519.847220] [] ext4_ext_truncate+0x1ed/0x244 [ 3519.862310] [] ext4_truncate+0x5ba/0x8ce [ 3519.877755] [] ? ext4_punch_hole+0x83e/0x83e [ 3519.892710] [] ext4_setattr+0xdbb/0x11bd [ 3519.909961] [] ? ext4_journalled_write_end+0x894/0x894 [ 3519.929708] [] notify_change+0xa68/0xc5b [ 3519.943923] [] do_truncate+0x165/0x1e5 [ 3519.962226] [] ? do_truncate+0x165/0x1e5 [ 3519.980805] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3519.997972] [] path_openat+0x222a/0x2525 [ 3520.012744] [] ? qlink_to_cache+0x10/0x87 [ 3520.032121] [] ? may_open+0x1c0/0x1c0 [ 3520.046560] [] ? deactivate_slab+0x53d/0x566 [ 3520.061517] [] ? getname_flags+0x4f/0x2e0 [ 3520.075564] [] ? init_object+0x1d6/0x1e2 [ 3520.091829] [] ? expand_files+0x68a/0x6d7 [ 3520.109861] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3520.130603] [] do_filp_open+0xe2/0x18c [ 3520.149028] [] ? path_openat+0x2525/0x2525 [ 3520.165379] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3520.181954] [] ? __alloc_fd+0x43d/0x47f [ 3520.198100] [] ? exit_files+0xaa/0xaa [ 3520.212411] [] do_sys_open+0xf5/0x342 [ 3520.227091] [] ? do_sys_open+0xf5/0x342 [ 3520.241013] [] ? __do_page_fault+0x6d3/0x96b [ 3520.257320] [] ? filp_open+0x68/0x68 [ 3520.269157] [] SyS_open+0x32/0x39 [ 3520.283376] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3520.300996] ================================================================================ [ 3520.327960] ================================================================================ [ 3520.350535] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3520.369259] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3520.395099] which requires 64 byte alignment [ 3520.407059] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3520.424297] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3520.449149] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf188 ffffffffb26ec5cc [ 3520.470972] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3520.491730] ffff880000000010 ffff88009e9bf1b0 ffff88009e9bf160 ffffffffb363c3e0 [ 3520.513458] Call Trace: [ 3520.520934] [] dump_stack+0xd7/0x132 [ 3520.534494] [] ? arch_local_irq_restore+0x1b/0x1b [ 3520.551128] [] ubsan_epilogue+0x12/0x53 [ 3520.566051] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3520.587508] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3520.606581] [] ? __getblk_slow+0x6e1/0x6f4 [ 3520.619923] [] ext4_lock_group+0x2f/0x11f [ 3520.635865] [] ext4_read_block_bitmap_nowait+0x1a3/0xab2 [ 3520.653060] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3520.674054] [] ext4_read_block_bitmap+0x24/0x64 [ 3520.689599] [] ext4_free_blocks+0xe69/0x17cf [ 3520.705477] [] ? vprintk_default+0x65/0x6e [ 3520.723373] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3520.740894] [] ? arch_local_irq_restore+0x6/0xd [ 3520.757236] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3520.776675] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3520.793627] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3520.812174] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3520.830922] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3520.851290] [] ? arch_local_irq_restore+0x6/0xd [ 3520.868837] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3520.888495] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3520.907008] [] ? _cond_resched+0x19/0x23 [ 3520.921231] [] ? down_write+0xb3/0xea [ 3520.935206] [] ext4_ext_truncate+0x1ed/0x244 [ 3520.951452] [] ext4_truncate+0x5ba/0x8ce [ 3520.965185] [] ? ext4_punch_hole+0x83e/0x83e [ 3520.982924] [] ext4_setattr+0xdbb/0x11bd [ 3520.997882] [] ? ext4_journalled_write_end+0x894/0x894 [ 3521.016593] [] notify_change+0xa68/0xc5b [ 3521.033012] [] do_truncate+0x165/0x1e5 [ 3521.049130] [] ? do_truncate+0x165/0x1e5 [ 3521.064029] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3521.083379] [] path_openat+0x222a/0x2525 [ 3521.098035] [] ? qlink_to_cache+0x10/0x87 [ 3521.113054] [] ? may_open+0x1c0/0x1c0 [ 3521.126894] [] ? deactivate_slab+0x53d/0x566 [ 3521.142637] [] ? getname_flags+0x4f/0x2e0 [ 3521.158583] [] ? init_object+0x1d6/0x1e2 [ 3521.173737] [] ? expand_files+0x68a/0x6d7 [ 3521.187266] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3521.204946] [] do_filp_open+0xe2/0x18c [ 3521.219438] [] ? path_openat+0x2525/0x2525 [ 3521.233758] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3521.251479] [] ? __alloc_fd+0x43d/0x47f [ 3521.265979] [] ? exit_files+0xaa/0xaa [ 3521.280626] [] do_sys_open+0xf5/0x342 [ 3521.293451] [] ? do_sys_open+0xf5/0x342 [ 3521.309029] [] ? __do_page_fault+0x6d3/0x96b [ 3521.324509] [] ? filp_open+0x68/0x68 [ 3521.338200] [] SyS_open+0x32/0x39 [ 3521.353182] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3521.369814] ================================================================================ [ 3521.391522] ================================================================================ [ 3521.416055] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2933:9 [ 3521.431503] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3521.456854] which requires 64 byte alignment [ 3521.469243] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3521.488001] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3521.512454] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf188 ffffffffb26ec5cc [ 3521.532839] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3521.552621] ffffffff00000010 ffff88009e9bf1b0 ffff88009e9bf160 ffffffffb363c3e0 [ 3521.577406] Call Trace: [ 3521.583418] [] dump_stack+0xd7/0x132 [ 3521.599083] [] ? arch_local_irq_restore+0x1b/0x1b [ 3521.614615] [] ubsan_epilogue+0x12/0x53 [ 3521.631994] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3521.658154] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3521.678593] [] ? __getblk_slow+0x6e1/0x6f4 [ 3521.692808] [] ext4_lock_group+0x5f/0x11f [ 3521.709877] [] ext4_read_block_bitmap_nowait+0x1a3/0xab2 [ 3521.729060] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3521.747476] [] ext4_read_block_bitmap+0x24/0x64 [ 3521.763743] [] ext4_free_blocks+0xe69/0x17cf [ 3521.781579] [] ? vprintk_default+0x65/0x6e [ 3521.794591] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3521.813118] [] ? arch_local_irq_restore+0x6/0xd [ 3521.832590] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3521.849828] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3521.867966] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3521.887838] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3521.907025] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3521.923320] [] ? arch_local_irq_restore+0x6/0xd [ 3521.939457] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3521.954462] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3521.972082] [] ? _cond_resched+0x19/0x23 [ 3521.988291] [] ? down_write+0xb3/0xea [ 3522.002748] [] ext4_ext_truncate+0x1ed/0x244 [ 3522.018095] [] ext4_truncate+0x5ba/0x8ce [ 3522.033875] [] ? ext4_punch_hole+0x83e/0x83e [ 3522.051595] [] ext4_setattr+0xdbb/0x11bd [ 3522.064830] [] ? ext4_journalled_write_end+0x894/0x894 [ 3522.080908] [] notify_change+0xa68/0xc5b [ 3522.096456] [] do_truncate+0x165/0x1e5 [ 3522.112718] [] ? do_truncate+0x165/0x1e5 [ 3522.129079] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3522.148246] [] path_openat+0x222a/0x2525 [ 3522.164714] [] ? qlink_to_cache+0x10/0x87 [ 3522.182450] [] ? may_open+0x1c0/0x1c0 [ 3522.195887] [] ? deactivate_slab+0x53d/0x566 [ 3522.212145] [] ? getname_flags+0x4f/0x2e0 [ 3522.235071] [] ? init_object+0x1d6/0x1e2 [ 3522.250912] [] ? expand_files+0x68a/0x6d7 [ 3522.268121] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3522.289281] [] do_filp_open+0xe2/0x18c [ 3522.304133] [] ? path_openat+0x2525/0x2525 [ 3522.318995] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3522.335286] [] ? __alloc_fd+0x43d/0x47f [ 3522.349815] [] ? exit_files+0xaa/0xaa [ 3522.363746] [] do_sys_open+0xf5/0x342 [ 3522.379390] [] ? do_sys_open+0xf5/0x342 [ 3522.393411] [] ? __do_page_fault+0x6d3/0x96b [ 3522.410001] [] ? filp_open+0x68/0x68 [ 3522.424433] [] SyS_open+0x32/0x39 [ 3522.437241] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3522.457952] ================================================================================ [ 3522.481195] ================================================================================ [ 3522.502196] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3522.517905] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3522.543040] which requires 64 byte alignment [ 3522.553599] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3522.572702] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3522.598769] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf188 ffffffffb26ec5cc [ 3522.617403] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3522.637142] ffffffff00000010 ffff88009e9bf1b0 ffff88009e9bf160 ffffffffb363c3e0 [ 3522.658511] Call Trace: [ 3522.664826] [] dump_stack+0xd7/0x132 [ 3522.679514] [] ? arch_local_irq_restore+0x1b/0x1b [ 3522.694874] [] ubsan_epilogue+0x12/0x53 [ 3522.709374] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3522.729937] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3522.749629] [] ? __getblk_slow+0x6e1/0x6f4 [ 3522.784489] [] ext4_lock_group+0xa4/0x11f [ 3522.799497] [] ext4_read_block_bitmap_nowait+0x1a3/0xab2 [ 3522.816983] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3522.835851] [] ext4_read_block_bitmap+0x24/0x64 [ 3522.852770] [] ext4_free_blocks+0xe69/0x17cf [ 3522.869606] [] ? vprintk_default+0x65/0x6e [ 3522.884857] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3522.902944] [] ? arch_local_irq_restore+0x6/0xd [ 3522.920638] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3522.938976] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3522.961060] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3522.978700] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3522.993472] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3523.012296] [] ? arch_local_irq_restore+0x6/0xd [ 3523.038660] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3523.054502] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3523.071518] [] ? _cond_resched+0x19/0x23 [ 3523.085744] [] ? down_write+0xb3/0xea [ 3523.100369] [] ext4_ext_truncate+0x1ed/0x244 [ 3523.116799] [] ext4_truncate+0x5ba/0x8ce [ 3523.132212] [] ? ext4_punch_hole+0x83e/0x83e [ 3523.150904] [] ext4_setattr+0xdbb/0x11bd [ 3523.167755] [] ? ext4_journalled_write_end+0x894/0x894 [ 3523.185784] [] notify_change+0xa68/0xc5b [ 3523.202427] [] do_truncate+0x165/0x1e5 [ 3523.214833] [] ? do_truncate+0x165/0x1e5 [ 3523.230677] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3523.249184] [] path_openat+0x222a/0x2525 [ 3523.264690] [] ? qlink_to_cache+0x10/0x87 [ 3523.278699] [] ? may_open+0x1c0/0x1c0 [ 3523.291086] [] ? deactivate_slab+0x53d/0x566 [ 3523.305356] [] ? getname_flags+0x4f/0x2e0 [ 3523.319062] [] ? init_object+0x1d6/0x1e2 [ 3523.341814] [] ? expand_files+0x68a/0x6d7 [ 3523.371537] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3523.426328] [] do_filp_open+0xe2/0x18c [ 3523.486357] [] ? path_openat+0x2525/0x2525 [ 3523.506101] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3523.520814] [] ? __alloc_fd+0x43d/0x47f [ 3523.535180] [] ? exit_files+0xaa/0xaa [ 3523.548405] [] do_sys_open+0xf5/0x342 [ 3523.565760] [] ? do_sys_open+0xf5/0x342 [ 3523.579967] [] ? __do_page_fault+0x6d3/0x96b [ 3523.594917] [] ? filp_open+0x68/0x68 [ 3523.611393] [] SyS_open+0x32/0x39 [ 3523.625418] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3523.644750] ================================================================================ [ 3523.665946] ================================================================================ [ 3523.689305] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3523.706926] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3523.730813] which requires 64 byte alignment [ 3523.742266] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3523.762019] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3523.786274] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf198 ffffffffb26ec5cc [ 3523.805471] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3523.827022] 0000000000000010 ffff88009e9bf1c0 ffff88009e9bf170 ffffffffb363c3e0 [ 3523.849210] Call Trace: [ 3523.855790] [] dump_stack+0xd7/0x132 [ 3523.869169] [] ? arch_local_irq_restore+0x1b/0x1b [ 3523.885907] [] ubsan_epilogue+0x12/0x53 [ 3523.900018] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3523.915894] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3523.937078] [] ? atomic_add_unless+0x8d/0xa1 [ 3523.952316] [] ext4_unlock_group+0x2b/0x85 [ 3523.968031] [] ext4_read_block_bitmap_nowait+0x1e3/0xab2 [ 3523.986982] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3524.006797] [] ext4_read_block_bitmap+0x24/0x64 [ 3524.022487] [] ext4_free_blocks+0xe69/0x17cf [ 3524.039056] [] ? vprintk_default+0x65/0x6e [ 3524.055470] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3524.073628] [] ? arch_local_irq_restore+0x6/0xd [ 3524.091512] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3524.112898] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3524.130864] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3524.149588] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3524.170358] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3524.188897] [] ? arch_local_irq_restore+0x6/0xd [ 3524.204448] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3524.222584] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3524.237417] [] ? _cond_resched+0x19/0x23 [ 3524.253114] [] ? down_write+0xb3/0xea [ 3524.267911] [] ext4_ext_truncate+0x1ed/0x244 [ 3524.284420] [] ext4_truncate+0x5ba/0x8ce [ 3524.299859] [] ? ext4_punch_hole+0x83e/0x83e [ 3524.314968] [] ext4_setattr+0xdbb/0x11bd [ 3524.330187] [] ? ext4_journalled_write_end+0x894/0x894 [ 3524.346496] [] notify_change+0xa68/0xc5b [ 3524.364229] [] do_truncate+0x165/0x1e5 [ 3524.378223] [] ? do_truncate+0x165/0x1e5 [ 3524.391589] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3524.412398] [] path_openat+0x222a/0x2525 [ 3524.427431] [] ? qlink_to_cache+0x10/0x87 [ 3524.441814] [] ? may_open+0x1c0/0x1c0 [ 3524.456228] [] ? deactivate_slab+0x53d/0x566 [ 3524.472426] [] ? getname_flags+0x4f/0x2e0 [ 3524.489537] [] ? init_object+0x1d6/0x1e2 [ 3524.504912] [] ? expand_files+0x68a/0x6d7 [ 3524.518620] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3524.541300] [] do_filp_open+0xe2/0x18c [ 3524.553929] [] ? path_openat+0x2525/0x2525 [ 3524.571791] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3524.588102] [] ? __alloc_fd+0x43d/0x47f [ 3524.603584] [] ? exit_files+0xaa/0xaa [ 3524.617565] [] do_sys_open+0xf5/0x342 [ 3524.632430] [] ? do_sys_open+0xf5/0x342 [ 3524.648492] [] ? __do_page_fault+0x6d3/0x96b [ 3524.661702] [] ? filp_open+0x68/0x68 [ 3524.676536] [] SyS_open+0x32/0x39 [ 3524.689451] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3524.706240] ================================================================================ [ 3524.729556] ================================================================================ [ 3524.751483] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2933:9 [ 3524.767379] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3524.791071] which requires 64 byte alignment [ 3524.802962] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3524.819401] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3524.844325] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf198 ffffffffb26ec5cc [ 3524.866252] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3524.888222] ffffffff00000010 ffff88009e9bf1c0 ffff88009e9bf170 ffffffffb363c3e0 [ 3524.909723] Call Trace: [ 3524.914941] [] dump_stack+0xd7/0x132 [ 3524.930655] [] ? arch_local_irq_restore+0x1b/0x1b [ 3524.947859] [] ubsan_epilogue+0x12/0x53 [ 3524.961352] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3524.982340] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3525.001900] [] ? atomic_add_unless+0x8d/0xa1 [ 3525.016899] [] ext4_unlock_group+0x5a/0x85 [ 3525.032802] [] ext4_read_block_bitmap_nowait+0x1e3/0xab2 [ 3525.052649] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3525.074292] [] ext4_read_block_bitmap+0x24/0x64 [ 3525.089805] [] ext4_free_blocks+0xe69/0x17cf [ 3525.107230] [] ? vprintk_default+0x65/0x6e [ 3525.123299] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3525.141190] [] ? arch_local_irq_restore+0x6/0xd [ 3525.156910] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3525.175482] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3525.192951] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3525.211357] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3525.228860] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3525.246308] [] ? arch_local_irq_restore+0x6/0xd [ 3525.263662] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3525.282953] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3525.301191] [] ? _cond_resched+0x19/0x23 [ 3525.316183] [] ? down_write+0xb3/0xea [ 3525.333004] [] ext4_ext_truncate+0x1ed/0x244 [ 3525.349534] [] ext4_truncate+0x5ba/0x8ce [ 3525.365698] [] ? ext4_punch_hole+0x83e/0x83e [ 3525.381111] [] ext4_setattr+0xdbb/0x11bd [ 3525.394746] [] ? ext4_journalled_write_end+0x894/0x894 [ 3525.414655] [] notify_change+0xa68/0xc5b [ 3525.431602] [] do_truncate+0x165/0x1e5 [ 3525.445269] [] ? do_truncate+0x165/0x1e5 [ 3525.458455] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3525.477836] [] path_openat+0x222a/0x2525 [ 3525.492193] [] ? qlink_to_cache+0x10/0x87 [ 3525.506865] [] ? may_open+0x1c0/0x1c0 [ 3525.521035] [] ? deactivate_slab+0x53d/0x566 [ 3525.535059] [] ? getname_flags+0x4f/0x2e0 [ 3525.548811] [] ? init_object+0x1d6/0x1e2 [ 3525.562751] [] ? expand_files+0x68a/0x6d7 [ 3525.578770] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3525.600835] [] do_filp_open+0xe2/0x18c [ 3525.615834] [] ? path_openat+0x2525/0x2525 [ 3525.632611] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3525.650031] [] ? __alloc_fd+0x43d/0x47f [ 3525.664698] [] ? exit_files+0xaa/0xaa [ 3525.679645] [] do_sys_open+0xf5/0x342 [ 3525.691379] [] ? do_sys_open+0xf5/0x342 [ 3525.705820] [] ? __do_page_fault+0x6d3/0x96b [ 3525.721764] [] ? filp_open+0x68/0x68 [ 3525.735341] [] SyS_open+0x32/0x39 [ 3525.746968] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3525.769209] ================================================================================ [ 3525.798456] ================================================================================ [ 3525.822223] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3525.838647] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3525.864519] which requires 64 byte alignment [ 3525.874278] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3525.963677] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3525.989639] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf180 ffffffffb26ec5cc [ 3526.009176] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3526.030452] ffffffff00000010 ffff88009e9bf1a8 ffff88009e9bf158 ffffffffb363c3e0 [ 3526.050167] Call Trace: [ 3526.056059] [] dump_stack+0xd7/0x132 [ 3526.070280] [] ? arch_local_irq_restore+0x1b/0x1b [ 3526.087708] [] ubsan_epilogue+0x12/0x53 [ 3526.102498] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3526.119620] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3526.140159] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3526.155202] [] ext4_validate_block_bitmap+0x4f/0x6c7 [ 3526.172245] [] ext4_wait_block_bitmap+0x147/0x15c [ 3526.190934] [] ext4_read_block_bitmap+0x42/0x64 [ 3526.207415] [] ext4_free_blocks+0xe69/0x17cf [ 3526.225748] [] ? vprintk_default+0x65/0x6e [ 3526.240997] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3526.259543] [] ? arch_local_irq_restore+0x6/0xd [ 3526.278237] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3526.296078] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3526.314354] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3526.334256] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3526.350911] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3526.369601] [] ? arch_local_irq_restore+0x6/0xd [ 3526.387397] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3526.405499] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3526.421584] [] ? _cond_resched+0x19/0x23 [ 3526.434025] [] ? down_write+0xb3/0xea [ 3526.451538] [] ext4_ext_truncate+0x1ed/0x244 [ 3526.467532] [] ext4_truncate+0x5ba/0x8ce [ 3526.481581] [] ? ext4_punch_hole+0x83e/0x83e [ 3526.496587] [] ext4_setattr+0xdbb/0x11bd [ 3526.510584] [] ? ext4_journalled_write_end+0x894/0x894 [ 3526.528494] [] notify_change+0xa68/0xc5b [ 3526.543965] [] do_truncate+0x165/0x1e5 [ 3526.559230] [] ? do_truncate+0x165/0x1e5 [ 3526.575155] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3526.591651] [] path_openat+0x222a/0x2525 [ 3526.609348] [] ? qlink_to_cache+0x10/0x87 [ 3526.626440] [] ? may_open+0x1c0/0x1c0 [ 3526.638808] [] ? deactivate_slab+0x53d/0x566 [ 3526.655136] [] ? getname_flags+0x4f/0x2e0 [ 3526.668292] [] ? init_object+0x1d6/0x1e2 [ 3526.682790] [] ? expand_files+0x68a/0x6d7 [ 3526.697282] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3526.714577] [] do_filp_open+0xe2/0x18c [ 3526.729907] [] ? path_openat+0x2525/0x2525 [ 3526.744824] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3526.761796] [] ? __alloc_fd+0x43d/0x47f [ 3526.777934] [] ? exit_files+0xaa/0xaa [ 3526.793015] [] do_sys_open+0xf5/0x342 [ 3526.809589] [] ? do_sys_open+0xf5/0x342 [ 3526.825003] [] ? __do_page_fault+0x6d3/0x96b [ 3526.840416] [] ? filp_open+0x68/0x68 [ 3526.853295] [] SyS_open+0x32/0x39 [ 3526.866285] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3526.884612] ================================================================================ [ 3526.907335] ================================================================================ [ 3526.932417] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3526.951073] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3526.976512] which requires 64 byte alignment [ 3526.990365] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3527.009034] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3527.031916] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf148 ffffffffb26ec5cc [ 3527.052072] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3527.072563] 0000000000000010 ffff88009e9bf170 ffff88009e9bf120 ffffffffb363c3e0 [ 3527.093364] Call Trace: [ 3527.099793] [] dump_stack+0xd7/0x132 [ 3527.114592] [] ? arch_local_irq_restore+0x1b/0x1b [ 3527.135815] [] ubsan_epilogue+0x12/0x53 [ 3527.153317] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3527.170916] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3527.191233] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3527.209429] [] ext4_block_bitmap_csum_verify+0x3a/0x1c3 [ 3527.228926] [] ext4_validate_block_bitmap+0xfa/0x6c7 [ 3527.249254] [] ext4_wait_block_bitmap+0x147/0x15c [ 3527.266760] [] ext4_read_block_bitmap+0x42/0x64 [ 3527.284908] [] ext4_free_blocks+0xe69/0x17cf [ 3527.302345] [] ? vprintk_default+0x65/0x6e [ 3527.315705] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3527.335740] [] ? arch_local_irq_restore+0x6/0xd [ 3527.353061] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3527.372985] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3527.394711] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3527.413393] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3527.431358] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3527.448091] [] ? arch_local_irq_restore+0x6/0xd [ 3527.468398] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3527.484733] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3527.502460] [] ? _cond_resched+0x19/0x23 [ 3527.519499] [] ? down_write+0xb3/0xea [ 3527.533911] [] ext4_ext_truncate+0x1ed/0x244 [ 3527.549475] [] ext4_truncate+0x5ba/0x8ce [ 3527.568632] [] ? ext4_punch_hole+0x83e/0x83e [ 3527.583945] [] ext4_setattr+0xdbb/0x11bd [ 3527.601612] [] ? ext4_journalled_write_end+0x894/0x894 [ 3527.620361] [] notify_change+0xa68/0xc5b [ 3527.633366] [] do_truncate+0x165/0x1e5 [ 3527.648810] [] ? do_truncate+0x165/0x1e5 [ 3527.663909] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3527.682764] [] path_openat+0x222a/0x2525 [ 3527.696524] [] ? qlink_to_cache+0x10/0x87 [ 3527.710403] [] ? may_open+0x1c0/0x1c0 [ 3527.727645] [] ? deactivate_slab+0x53d/0x566 [ 3527.742440] [] ? getname_flags+0x4f/0x2e0 [ 3527.758602] [] ? init_object+0x1d6/0x1e2 [ 3527.775757] [] ? expand_files+0x68a/0x6d7 [ 3527.788870] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3527.808891] [] do_filp_open+0xe2/0x18c [ 3527.821913] [] ? path_openat+0x2525/0x2525 [ 3527.836561] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3527.854327] [] ? __alloc_fd+0x43d/0x47f [ 3527.869407] [] ? exit_files+0xaa/0xaa [ 3527.884553] [] do_sys_open+0xf5/0x342 [ 3527.898008] [] ? do_sys_open+0xf5/0x342 [ 3527.915594] [] ? __do_page_fault+0x6d3/0x96b [ 3527.930487] [] ? filp_open+0x68/0x68 [ 3527.944977] [] SyS_open+0x32/0x39 [ 3527.955889] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3527.973519] ================================================================================ [ 3527.996606] ================================================================================ [ 3528.019656] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3528.034979] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3528.058262] which requires 64 byte alignment [ 3528.070515] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3528.090258] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3528.114986] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf148 ffffffffb26ec5cc [ 3528.137007] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3528.157528] ffffffff00000010 ffff88009e9bf170 ffff88009e9bf120 ffffffffb363c3e0 [ 3528.177216] Call Trace: [ 3528.184808] [] dump_stack+0xd7/0x132 [ 3528.198479] [] ? arch_local_irq_restore+0x1b/0x1b [ 3528.214219] [] ubsan_epilogue+0x12/0x53 [ 3528.229430] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3528.247726] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3528.269191] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3528.287805] [] ext4_block_bitmap_csum_verify+0x67/0x1c3 [ 3528.307263] [] ext4_validate_block_bitmap+0xfa/0x6c7 [ 3528.327059] [] ext4_wait_block_bitmap+0x147/0x15c [ 3528.342949] [] ext4_read_block_bitmap+0x42/0x64 [ 3528.359757] [] ext4_free_blocks+0xe69/0x17cf [ 3528.373987] [] ? vprintk_default+0x65/0x6e [ 3528.392837] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3528.408855] [] ? arch_local_irq_restore+0x6/0xd [ 3528.424296] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3528.442851] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3528.463252] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3528.483111] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3528.501711] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3528.521805] [] ? arch_local_irq_restore+0x6/0xd [ 3528.536494] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3528.553752] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3528.571310] [] ? _cond_resched+0x19/0x23 [ 3528.584394] [] ? down_write+0xb3/0xea [ 3528.598268] [] ext4_ext_truncate+0x1ed/0x244 [ 3528.613236] [] ext4_truncate+0x5ba/0x8ce [ 3528.627535] [] ? ext4_punch_hole+0x83e/0x83e [ 3528.642184] [] ext4_setattr+0xdbb/0x11bd [ 3528.657945] [] ? ext4_journalled_write_end+0x894/0x894 [ 3528.678041] [] notify_change+0xa68/0xc5b [ 3528.694090] [] do_truncate+0x165/0x1e5 [ 3528.709319] [] ? do_truncate+0x165/0x1e5 [ 3528.722137] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3528.741636] [] path_openat+0x222a/0x2525 [ 3528.759092] [] ? qlink_to_cache+0x10/0x87 [ 3528.772891] [] ? may_open+0x1c0/0x1c0 [ 3528.788677] [] ? deactivate_slab+0x53d/0x566 [ 3528.808179] [] ? getname_flags+0x4f/0x2e0 [ 3528.822751] [] ? init_object+0x1d6/0x1e2 [ 3528.841909] [] ? expand_files+0x68a/0x6d7 [ 3528.856669] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3528.875191] [] do_filp_open+0xe2/0x18c [ 3528.893418] [] ? path_openat+0x2525/0x2525 [ 3528.907621] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3528.926631] [] ? __alloc_fd+0x43d/0x47f [ 3528.940529] [] ? exit_files+0xaa/0xaa [ 3528.954255] [] do_sys_open+0xf5/0x342 [ 3528.970518] [] ? do_sys_open+0xf5/0x342 [ 3528.984785] [] ? __do_page_fault+0x6d3/0x96b [ 3528.999112] [] ? filp_open+0x68/0x68 [ 3529.011884] [] SyS_open+0x32/0x39 [ 3529.027108] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3529.043564] ================================================================================ [ 3529.064113] ================================================================================ [ 3529.084828] UBSAN: Undefined behaviour in fs/ext4/bitmap.c:63:11 [ 3529.100335] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3529.122148] which requires 64 byte alignment [ 3529.132885] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3529.150994] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3529.173112] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf148 ffffffffb26ec5cc [ 3529.193202] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3529.213284] ffffffff00000010 ffff88009e9bf170 ffff88009e9bf120 ffffffffb363c3e0 [ 3529.232411] Call Trace: [ 3529.239951] [] dump_stack+0xd7/0x132 [ 3529.254027] [] ? arch_local_irq_restore+0x1b/0x1b [ 3529.272577] [] ubsan_epilogue+0x12/0x53 [ 3529.287312] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3529.305289] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3529.323102] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3529.340076] [] ext4_block_bitmap_csum_verify+0x80/0x1c3 [ 3529.359279] [] ext4_validate_block_bitmap+0xfa/0x6c7 [ 3529.378532] [] ext4_wait_block_bitmap+0x147/0x15c [ 3529.392782] [] ext4_read_block_bitmap+0x42/0x64 [ 3529.412696] [] ext4_free_blocks+0xe69/0x17cf [ 3529.429459] [] ? vprintk_default+0x65/0x6e [ 3529.443164] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3529.462886] [] ? arch_local_irq_restore+0x6/0xd [ 3529.479865] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3529.496187] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3529.514311] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3529.532806] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3529.549240] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3529.567784] [] ? arch_local_irq_restore+0x6/0xd [ 3529.583752] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3529.600289] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3529.619515] [] ? _cond_resched+0x19/0x23 [ 3529.634234] [] ? down_write+0xb3/0xea [ 3529.648665] [] ext4_ext_truncate+0x1ed/0x244 [ 3529.666955] [] ext4_truncate+0x5ba/0x8ce [ 3529.681796] [] ? ext4_punch_hole+0x83e/0x83e [ 3529.696675] [] ext4_setattr+0xdbb/0x11bd [ 3529.710130] [] ? ext4_journalled_write_end+0x894/0x894 [ 3529.730677] [] notify_change+0xa68/0xc5b [ 3529.746988] [] do_truncate+0x165/0x1e5 [ 3529.759517] [] ? do_truncate+0x165/0x1e5 [ 3529.772869] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3529.790495] [] path_openat+0x222a/0x2525 [ 3529.805496] [] ? qlink_to_cache+0x10/0x87 [ 3529.824656] [] ? may_open+0x1c0/0x1c0 [ 3529.837625] [] ? deactivate_slab+0x53d/0x566 [ 3529.853540] [] ? getname_flags+0x4f/0x2e0 [ 3529.868558] [] ? init_object+0x1d6/0x1e2 [ 3529.883830] [] ? expand_files+0x68a/0x6d7 [ 3529.900743] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3529.916552] [] do_filp_open+0xe2/0x18c [ 3529.931274] [] ? path_openat+0x2525/0x2525 [ 3529.947944] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3529.965003] [] ? __alloc_fd+0x43d/0x47f [ 3529.980736] [] ? exit_files+0xaa/0xaa [ 3529.993223] [] do_sys_open+0xf5/0x342 [ 3530.008087] [] ? do_sys_open+0xf5/0x342 [ 3530.022337] [] ? __do_page_fault+0x6d3/0x96b [ 3530.041150] [] ? filp_open+0x68/0x68 [ 3530.054008] [] SyS_open+0x32/0x39 [ 3530.069049] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3530.085460] ================================================================================ [ 3530.109347] ================================================================================ [ 3530.133458] UBSAN: Undefined behaviour in fs/ext4/bitmap.c:69:15 [ 3530.148565] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3530.173066] which requires 64 byte alignment [ 3530.184947] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3530.208121] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3530.232353] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf148 ffffffffb26ec5cc [ 3530.255511] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3530.277038] 0000000000000010 ffff88009e9bf170 ffff88009e9bf120 ffffffffb363c3e0 [ 3530.298225] Call Trace: [ 3530.305010] [] dump_stack+0xd7/0x132 [ 3530.317847] [] ? arch_local_irq_restore+0x1b/0x1b [ 3530.333565] [] ubsan_epilogue+0x12/0x53 [ 3530.350553] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3530.369887] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3530.390467] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3530.410630] [] ext4_block_bitmap_csum_verify+0x116/0x1c3 [ 3530.429519] [] ext4_validate_block_bitmap+0xfa/0x6c7 [ 3530.445334] [] ext4_wait_block_bitmap+0x147/0x15c [ 3530.464614] [] ext4_read_block_bitmap+0x42/0x64 [ 3530.482175] [] ext4_free_blocks+0xe69/0x17cf [ 3530.495888] [] ? vprintk_default+0x65/0x6e [ 3530.514624] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3530.533265] [] ? arch_local_irq_restore+0x6/0xd [ 3530.549800] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3530.569542] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3530.590449] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3530.610633] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3530.629920] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3530.648945] [] ? arch_local_irq_restore+0x6/0xd [ 3530.663568] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3530.680991] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3530.697869] [] ? _cond_resched+0x19/0x23 [ 3530.710233] [] ? down_write+0xb3/0xea [ 3530.726981] [] ext4_ext_truncate+0x1ed/0x244 [ 3530.743331] [] ext4_truncate+0x5ba/0x8ce [ 3530.758730] [] ? ext4_punch_hole+0x83e/0x83e [ 3530.775436] [] ext4_setattr+0xdbb/0x11bd [ 3530.789385] [] ? ext4_journalled_write_end+0x894/0x894 [ 3530.808491] [] notify_change+0xa68/0xc5b [ 3530.825682] [] do_truncate+0x165/0x1e5 [ 3530.838515] [] ? do_truncate+0x165/0x1e5 [ 3530.853370] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3530.870104] [] path_openat+0x222a/0x2525 [ 3530.888359] [] ? qlink_to_cache+0x10/0x87 [ 3530.903610] [] ? may_open+0x1c0/0x1c0 [ 3530.916443] [] ? deactivate_slab+0x53d/0x566 [ 3530.934827] [] ? getname_flags+0x4f/0x2e0 [ 3530.952391] [] ? init_object+0x1d6/0x1e2 [ 3530.967646] [] ? expand_files+0x68a/0x6d7 [ 3530.983331] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3531.002003] [] do_filp_open+0xe2/0x18c [ 3531.013899] [] ? path_openat+0x2525/0x2525 [ 3531.030221] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3531.047328] [] ? __alloc_fd+0x43d/0x47f [ 3531.060777] [] ? exit_files+0xaa/0xaa [ 3531.073977] [] do_sys_open+0xf5/0x342 [ 3531.088439] [] ? do_sys_open+0xf5/0x342 [ 3531.104376] [] ? __do_page_fault+0x6d3/0x96b [ 3531.121328] [] ? filp_open+0x68/0x68 [ 3531.133190] [] SyS_open+0x32/0x39 [ 3531.148322] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3531.164783] ================================================================================ [ 3531.188136] ================================================================================ [ 3531.209698] UBSAN: Undefined behaviour in fs/ext4/bitmap.c:70:9 [ 3531.224778] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3531.247610] which requires 64 byte alignment [ 3531.259226] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3531.276505] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3531.301105] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf148 ffffffffb26ec5cc [ 3531.322167] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3531.343780] ffff880000000010 ffff88009e9bf170 ffff88009e9bf120 ffffffffb363c3e0 [ 3531.365941] Call Trace: [ 3531.372094] [] dump_stack+0xd7/0x132 [ 3531.385301] [] ? arch_local_irq_restore+0x1b/0x1b [ 3531.402907] [] ubsan_epilogue+0x12/0x53 [ 3531.416314] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3531.432988] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3531.451632] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3531.471562] [] ext4_block_bitmap_csum_verify+0x152/0x1c3 [ 3531.488169] [] ext4_validate_block_bitmap+0xfa/0x6c7 [ 3531.504521] [] ext4_wait_block_bitmap+0x147/0x15c [ 3531.523941] [] ext4_read_block_bitmap+0x42/0x64 [ 3531.543265] [] ext4_free_blocks+0xe69/0x17cf [ 3531.556549] [] ? vprintk_default+0x65/0x6e [ 3531.574595] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3531.590174] [] ? arch_local_irq_restore+0x6/0xd [ 3531.609353] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3531.628667] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3531.648578] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3531.665168] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3531.684304] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3531.704335] [] ? arch_local_irq_restore+0x6/0xd [ 3531.719083] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3531.736819] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3531.753437] [] ? _cond_resched+0x19/0x23 [ 3531.768801] [] ? down_write+0xb3/0xea [ 3531.783640] [] ext4_ext_truncate+0x1ed/0x244 [ 3531.802310] [] ext4_truncate+0x5ba/0x8ce [ 3531.823657] [] ? ext4_punch_hole+0x83e/0x83e [ 3531.842158] [] ext4_setattr+0xdbb/0x11bd [ 3531.854857] [] ? ext4_journalled_write_end+0x894/0x894 [ 3531.874740] [] notify_change+0xa68/0xc5b [ 3531.889805] [] do_truncate+0x165/0x1e5 [ 3531.907149] [] ? do_truncate+0x165/0x1e5 [ 3531.921634] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3531.937678] [] path_openat+0x222a/0x2525 [ 3531.952783] [] ? qlink_to_cache+0x10/0x87 [ 3531.965610] [] ? may_open+0x1c0/0x1c0 [ 3531.981461] [] ? deactivate_slab+0x53d/0x566 [ 3531.997474] [] ? getname_flags+0x4f/0x2e0 [ 3532.014113] [] ? init_object+0x1d6/0x1e2 [ 3532.029751] [] ? expand_files+0x68a/0x6d7 [ 3532.044609] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3532.062260] [] do_filp_open+0xe2/0x18c [ 3532.075812] [] ? path_openat+0x2525/0x2525 [ 3532.089867] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3532.109416] [] ? __alloc_fd+0x43d/0x47f [ 3532.124498] [] ? exit_files+0xaa/0xaa [ 3532.137750] [] do_sys_open+0xf5/0x342 [ 3532.152628] [] ? do_sys_open+0xf5/0x342 [ 3532.165496] [] ? __do_page_fault+0x6d3/0x96b [ 3532.185716] [] ? filp_open+0x68/0x68 [ 3532.198935] [] SyS_open+0x32/0x39 [ 3532.212741] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3532.229618] ================================================================================ [ 3532.255378] ================================================================================ [ 3532.276534] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3532.294101] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3532.320984] which requires 64 byte alignment [ 3532.332354] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3532.353264] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3532.379389] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf180 ffffffffb26ec5cc [ 3532.400543] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3532.421196] 0000000000000010 ffff88009e9bf1a8 ffff88009e9bf158 ffffffffb363c3e0 [ 3532.440538] Call Trace: [ 3532.448490] [] dump_stack+0xd7/0x132 [ 3532.461753] [] ? arch_local_irq_restore+0x1b/0x1b [ 3532.480962] [] ubsan_epilogue+0x12/0x53 [ 3532.495260] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3532.512688] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3532.530304] [] ext4_validate_block_bitmap+0x1d0/0x6c7 [ 3532.551134] [] ext4_wait_block_bitmap+0x147/0x15c [ 3532.568134] [] ext4_read_block_bitmap+0x42/0x64 [ 3532.585010] [] ext4_free_blocks+0xe69/0x17cf [ 3532.599713] [] ? vprintk_default+0x65/0x6e [ 3532.614940] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3532.632164] [] ? arch_local_irq_restore+0x6/0xd [ 3532.648993] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3532.667635] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3532.686597] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3532.704883] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3532.721609] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3532.737355] [] ? arch_local_irq_restore+0x6/0xd [ 3532.753473] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3532.772931] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3532.790635] [] ? _cond_resched+0x19/0x23 [ 3532.806473] [] ? down_write+0xb3/0xea [ 3532.822065] [] ext4_ext_truncate+0x1ed/0x244 [ 3532.836592] [] ext4_truncate+0x5ba/0x8ce [ 3532.852923] [] ? ext4_punch_hole+0x83e/0x83e [ 3532.870360] [] ext4_setattr+0xdbb/0x11bd [ 3532.885019] [] ? ext4_journalled_write_end+0x894/0x894 [ 3532.904193] [] notify_change+0xa68/0xc5b [ 3532.918059] [] do_truncate+0x165/0x1e5 [ 3532.932973] [] ? do_truncate+0x165/0x1e5 [ 3532.950490] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3532.969083] [] path_openat+0x222a/0x2525 [ 3532.983696] [] ? qlink_to_cache+0x10/0x87 [ 3532.999182] [] ? may_open+0x1c0/0x1c0 [ 3533.012793] [] ? deactivate_slab+0x53d/0x566 [ 3533.028734] [] ? getname_flags+0x4f/0x2e0 [ 3533.043316] [] ? init_object+0x1d6/0x1e2 [ 3533.057548] [] ? expand_files+0x68a/0x6d7 [ 3533.071652] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3533.091026] [] do_filp_open+0xe2/0x18c [ 3533.106372] [] ? path_openat+0x2525/0x2525 [ 3533.120649] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3533.136898] [] ? __alloc_fd+0x43d/0x47f [ 3533.150782] [] ? exit_files+0xaa/0xaa [ 3533.162899] [] do_sys_open+0xf5/0x342 [ 3533.177866] [] ? do_sys_open+0xf5/0x342 [ 3533.195507] [] ? __do_page_fault+0x6d3/0x96b [ 3533.210493] [] ? filp_open+0x68/0x68 [ 3533.224088] [] SyS_open+0x32/0x39 [ 3533.236097] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3533.254669] ================================================================================ [ 3533.282512] ================================================================================ [ 3533.304704] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3533.321530] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3533.346679] which requires 64 byte alignment [ 3533.355687] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3533.375623] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3533.401562] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf180 ffffffffb26ec5cc [ 3533.420889] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3533.442591] ffff880000000010 ffff88009e9bf1a8 ffff88009e9bf158 ffffffffb363c3e0 [ 3533.464732] Call Trace: [ 3533.470406] [] dump_stack+0xd7/0x132 [ 3533.484018] [] ? arch_local_irq_restore+0x1b/0x1b [ 3533.503990] [] ubsan_epilogue+0x12/0x53 [ 3533.518184] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3533.537294] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3533.558766] [] ext4_validate_block_bitmap+0x1fc/0x6c7 [ 3533.575364] [] ext4_wait_block_bitmap+0x147/0x15c [ 3533.594053] [] ext4_read_block_bitmap+0x42/0x64 [ 3533.608055] [] ext4_free_blocks+0xe69/0x17cf [ 3533.626369] [] ? vprintk_default+0x65/0x6e [ 3533.641961] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3533.661683] [] ? arch_local_irq_restore+0x6/0xd [ 3533.680157] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3533.698803] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3533.715659] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3533.733969] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3533.753093] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3533.771141] [] ? arch_local_irq_restore+0x6/0xd [ 3533.788530] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3533.804643] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3533.822181] [] ? _cond_resched+0x19/0x23 [ 3533.834655] [] ? down_write+0xb3/0xea [ 3533.849862] [] ext4_ext_truncate+0x1ed/0x244 [ 3533.866776] [] ext4_truncate+0x5ba/0x8ce [ 3533.882131] [] ? ext4_punch_hole+0x83e/0x83e [ 3533.897900] [] ext4_setattr+0xdbb/0x11bd [ 3533.912105] [] ? ext4_journalled_write_end+0x894/0x894 [ 3533.929431] [] notify_change+0xa68/0xc5b [ 3533.945034] [] do_truncate+0x165/0x1e5 [ 3533.957727] [] ? do_truncate+0x165/0x1e5 [ 3533.972756] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3533.989943] [] path_openat+0x222a/0x2525 [ 3534.006084] [] ? qlink_to_cache+0x10/0x87 [ 3534.024555] [] ? may_open+0x1c0/0x1c0 [ 3534.038713] [] ? deactivate_slab+0x53d/0x566 [ 3534.054011] [] ? getname_flags+0x4f/0x2e0 [ 3534.069792] [] ? init_object+0x1d6/0x1e2 [ 3534.083868] [] ? expand_files+0x68a/0x6d7 [ 3534.099617] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3534.116973] [] do_filp_open+0xe2/0x18c [ 3534.134509] [] ? path_openat+0x2525/0x2525 [ 3534.150292] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3534.166067] [] ? __alloc_fd+0x43d/0x47f [ 3534.182466] [] ? exit_files+0xaa/0xaa [ 3534.195326] [] do_sys_open+0xf5/0x342 [ 3534.209675] [] ? do_sys_open+0xf5/0x342 [ 3534.224126] [] ? __do_page_fault+0x6d3/0x96b [ 3534.240269] [] ? filp_open+0x68/0x68 [ 3534.253917] [] SyS_open+0x32/0x39 [ 3534.268857] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3534.286520] ================================================================================ [ 3534.308093] ================================================================================ [ 3534.329444] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1783:1 [ 3534.346184] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3534.371523] which requires 64 byte alignment [ 3534.383523] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3534.409141] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3534.451859] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf180 ffffffffb26ec5cc [ 3534.478031] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3534.505579] ffff880000000010 ffff88009e9bf1a8 ffff88009e9bf158 ffffffffb363c3e0 [ 3534.531077] Call Trace: [ 3534.538184] [] dump_stack+0xd7/0x132 [ 3534.552229] [] ? arch_local_irq_restore+0x1b/0x1b [ 3534.570697] [] ubsan_epilogue+0x12/0x53 [ 3534.585602] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3534.604600] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3534.629628] [] ext4_validate_block_bitmap+0x216/0x6c7 [ 3534.656519] [] ext4_wait_block_bitmap+0x147/0x15c [ 3534.684514] [] ext4_read_block_bitmap+0x42/0x64 [ 3534.707355] [] ext4_free_blocks+0xe69/0x17cf [ 3534.733208] [] ? vprintk_default+0x65/0x6e [ 3534.754523] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3534.777470] [] ? arch_local_irq_restore+0x6/0xd [ 3534.802111] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3534.823006] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3534.852629] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3534.874758] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3534.898426] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3534.931966] [] ? arch_local_irq_restore+0x6/0xd [ 3534.950164] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3534.965922] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3534.983414] [] ? _cond_resched+0x19/0x23 [ 3534.999973] [] ? down_write+0xb3/0xea [ 3535.014098] [] ext4_ext_truncate+0x1ed/0x244 [ 3535.034196] [] ext4_truncate+0x5ba/0x8ce [ 3535.050567] [] ? ext4_punch_hole+0x83e/0x83e [ 3535.065840] [] ext4_setattr+0xdbb/0x11bd [ 3535.080259] [] ? ext4_journalled_write_end+0x894/0x894 [ 3535.098267] [] notify_change+0xa68/0xc5b [ 3535.112769] [] do_truncate+0x165/0x1e5 [ 3535.129389] [] ? do_truncate+0x165/0x1e5 [ 3535.142538] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3535.163252] [] path_openat+0x222a/0x2525 [ 3535.178280] [] ? qlink_to_cache+0x10/0x87 [ 3535.191811] [] ? may_open+0x1c0/0x1c0 [ 3535.207306] [] ? deactivate_slab+0x53d/0x566 [ 3535.226165] [] ? getname_flags+0x4f/0x2e0 [ 3535.247142] [] ? init_object+0x1d6/0x1e2 [ 3535.264302] [] ? expand_files+0x68a/0x6d7 [ 3535.280708] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3535.304734] [] do_filp_open+0xe2/0x18c [ 3535.318690] [] ? path_openat+0x2525/0x2525 [ 3535.332207] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3535.349351] [] ? __alloc_fd+0x43d/0x47f [ 3535.362737] [] ? exit_files+0xaa/0xaa [ 3535.380566] [] do_sys_open+0xf5/0x342 [ 3535.396906] [] ? do_sys_open+0xf5/0x342 [ 3535.413292] [] ? __do_page_fault+0x6d3/0x96b [ 3535.430195] [] ? filp_open+0x68/0x68 [ 3535.445040] [] SyS_open+0x32/0x39 [ 3535.458818] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3535.475797] ================================================================================ [ 3535.499087] ================================================================================ [ 3535.521273] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3535.535321] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3535.561069] which requires 64 byte alignment [ 3535.572937] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3535.591157] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3535.615838] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3535.635994] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3535.654657] 0000000000000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3535.678074] Call Trace: [ 3535.684527] [] dump_stack+0xd7/0x132 [ 3535.698328] [] ? arch_local_irq_restore+0x1b/0x1b [ 3535.714612] [] ubsan_epilogue+0x12/0x53 [ 3535.730600] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3535.750061] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3535.768589] [] ext4_free_blocks+0xf6b/0x17cf [ 3535.786851] [] ? vprintk_default+0x65/0x6e [ 3535.803959] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3535.821276] [] ? arch_local_irq_restore+0x6/0xd [ 3535.835770] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3535.854795] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3535.872973] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3535.888973] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3535.907930] [] ? arch_local_irq_restore+0x6/0xd [ 3535.925322] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3535.945148] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3535.962189] [] ? _cond_resched+0x19/0x23 [ 3535.975732] [] ? down_write+0xb3/0xea [ 3535.989037] [] ext4_ext_truncate+0x1ed/0x244 [ 3536.007643] [] ext4_truncate+0x5ba/0x8ce [ 3536.026331] [] ? ext4_punch_hole+0x83e/0x83e [ 3536.041813] [] ext4_setattr+0xdbb/0x11bd [ 3536.058198] [] ? ext4_journalled_write_end+0x894/0x894 [ 3536.075791] [] notify_change+0xa68/0xc5b [ 3536.090974] [] do_truncate+0x165/0x1e5 [ 3536.105680] [] ? do_truncate+0x165/0x1e5 [ 3536.120910] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3536.140266] [] path_openat+0x222a/0x2525 [ 3536.155424] [] ? qlink_to_cache+0x10/0x87 [ 3536.171400] [] ? may_open+0x1c0/0x1c0 [ 3536.185566] [] ? deactivate_slab+0x53d/0x566 [ 3536.203692] [] ? getname_flags+0x4f/0x2e0 [ 3536.219063] [] ? init_object+0x1d6/0x1e2 [ 3536.232559] [] ? expand_files+0x68a/0x6d7 [ 3536.249716] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3536.268815] [] do_filp_open+0xe2/0x18c [ 3536.281405] [] ? path_openat+0x2525/0x2525 [ 3536.297244] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3536.312570] [] ? __alloc_fd+0x43d/0x47f [ 3536.328863] [] ? exit_files+0xaa/0xaa [ 3536.344383] [] do_sys_open+0xf5/0x342 [ 3536.360700] [] ? do_sys_open+0xf5/0x342 [ 3536.374535] [] ? __do_page_fault+0x6d3/0x96b [ 3536.391066] [] ? filp_open+0x68/0x68 [ 3536.405883] [] SyS_open+0x32/0x39 [ 3536.420253] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3536.435785] ================================================================================ [ 3536.461670] ================================================================================ [ 3536.484250] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4780:6 [ 3536.500462] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3536.523689] which requires 64 byte alignment [ 3536.533860] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3536.555378] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3536.582854] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3536.604758] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3536.625309] ffffffff00000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3536.647157] Call Trace: [ 3536.652317] [] dump_stack+0xd7/0x132 [ 3536.667785] [] ? arch_local_irq_restore+0x1b/0x1b [ 3536.683247] [] ubsan_epilogue+0x12/0x53 [ 3536.696606] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3536.715865] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3536.734390] [] ext4_free_blocks+0xf9f/0x17cf [ 3536.751784] [] ? vprintk_default+0x65/0x6e [ 3536.768902] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3536.787635] [] ? arch_local_irq_restore+0x6/0xd [ 3536.807150] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3536.827525] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3536.846963] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3536.863451] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3536.881349] [] ? arch_local_irq_restore+0x6/0xd [ 3536.896690] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3536.912828] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3536.930446] [] ? _cond_resched+0x19/0x23 [ 3536.942499] [] ? down_write+0xb3/0xea [ 3536.956208] [] ext4_ext_truncate+0x1ed/0x244 [ 3536.972405] [] ext4_truncate+0x5ba/0x8ce [ 3536.986640] [] ? ext4_punch_hole+0x83e/0x83e [ 3537.001797] [] ext4_setattr+0xdbb/0x11bd [ 3537.015435] [] ? ext4_journalled_write_end+0x894/0x894 [ 3537.035598] [] notify_change+0xa68/0xc5b [ 3537.049904] [] do_truncate+0x165/0x1e5 [ 3537.061708] [] ? do_truncate+0x165/0x1e5 [ 3537.073600] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3537.092456] [] path_openat+0x222a/0x2525 [ 3537.107087] [] ? qlink_to_cache+0x10/0x87 [ 3537.124504] [] ? may_open+0x1c0/0x1c0 [ 3537.136302] [] ? deactivate_slab+0x53d/0x566 [ 3537.154384] [] ? getname_flags+0x4f/0x2e0 [ 3537.171256] [] ? init_object+0x1d6/0x1e2 [ 3537.184718] [] ? expand_files+0x68a/0x6d7 [ 3537.198707] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3537.221509] [] do_filp_open+0xe2/0x18c [ 3537.235554] [] ? path_openat+0x2525/0x2525 [ 3537.251864] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3537.282267] [] ? __alloc_fd+0x43d/0x47f [ 3537.295712] [] ? exit_files+0xaa/0xaa [ 3537.311388] [] do_sys_open+0xf5/0x342 [ 3537.326608] [] ? do_sys_open+0xf5/0x342 [ 3537.343615] [] ? __do_page_fault+0x6d3/0x96b [ 3537.361138] [] ? filp_open+0x68/0x68 [ 3537.375785] [] SyS_open+0x32/0x39 [ 3537.387793] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3537.405061] ================================================================================ [ 3537.430133] ================================================================================ [ 3537.454653] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3537.472049] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3537.494027] which requires 64 byte alignment [ 3537.507613] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3537.528290] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3537.552143] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3537.572446] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3537.594425] 0000000000000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3537.614279] Call Trace: [ 3537.622392] [] dump_stack+0xd7/0x132 [ 3537.634412] [] ? arch_local_irq_restore+0x1b/0x1b [ 3537.649659] [] ubsan_epilogue+0x12/0x53 [ 3537.662196] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3537.681829] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3537.699643] [] ext4_free_blocks+0x1000/0x17cf [ 3537.714339] [] ? vprintk_default+0x65/0x6e [ 3537.731492] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3537.752193] [] ? arch_local_irq_restore+0x6/0xd [ 3537.767748] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3537.787263] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3537.805056] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3537.823326] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3537.840459] [] ? arch_local_irq_restore+0x6/0xd [ 3537.857035] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3537.875726] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3537.893057] [] ? _cond_resched+0x19/0x23 [ 3537.908027] [] ? down_write+0xb3/0xea [ 3537.921866] [] ext4_ext_truncate+0x1ed/0x244 [ 3537.941122] [] ext4_truncate+0x5ba/0x8ce [ 3537.955179] [] ? ext4_punch_hole+0x83e/0x83e [ 3537.973188] [] ext4_setattr+0xdbb/0x11bd [ 3537.989460] [] ? ext4_journalled_write_end+0x894/0x894 [ 3538.006210] [] notify_change+0xa68/0xc5b [ 3538.021335] [] do_truncate+0x165/0x1e5 [ 3538.034011] [] ? do_truncate+0x165/0x1e5 [ 3538.050017] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3538.069137] [] path_openat+0x222a/0x2525 [ 3538.083720] [] ? qlink_to_cache+0x10/0x87 [ 3538.100320] [] ? may_open+0x1c0/0x1c0 [ 3538.113974] [] ? deactivate_slab+0x53d/0x566 [ 3538.131635] [] ? getname_flags+0x4f/0x2e0 [ 3538.147752] [] ? init_object+0x1d6/0x1e2 [ 3538.161813] [] ? expand_files+0x68a/0x6d7 [ 3538.177755] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3538.196871] [] do_filp_open+0xe2/0x18c [ 3538.211337] [] ? path_openat+0x2525/0x2525 [ 3538.227915] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3538.243735] [] ? __alloc_fd+0x43d/0x47f [ 3538.261867] [] ? exit_files+0xaa/0xaa [ 3538.275831] [] do_sys_open+0xf5/0x342 [ 3538.288985] [] ? do_sys_open+0xf5/0x342 [ 3538.303494] [] ? __do_page_fault+0x6d3/0x96b [ 3538.317901] [] ? filp_open+0x68/0x68 [ 3538.332075] [] SyS_open+0x32/0x39 [ 3538.343439] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3538.358861] ================================================================================ [ 3538.380991] ================================================================================ [ 3538.402682] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4782:6 [ 3538.420622] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3538.448299] which requires 64 byte alignment [ 3538.459586] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3538.481262] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3538.507658] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3538.527822] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3538.549880] ffffffff00000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3538.571470] Call Trace: [ 3538.577663] [] dump_stack+0xd7/0x132 [ 3538.590528] [] ? arch_local_irq_restore+0x1b/0x1b [ 3538.608863] [] ubsan_epilogue+0x12/0x53 [ 3538.624060] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3538.642055] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3538.661946] [] ext4_free_blocks+0x1034/0x17cf [ 3538.679416] [] ? vprintk_default+0x65/0x6e [ 3538.692609] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3538.708162] [] ? arch_local_irq_restore+0x6/0xd [ 3538.725900] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3538.744883] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3538.760613] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3538.776472] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3538.793767] [] ? arch_local_irq_restore+0x6/0xd [ 3538.811717] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3538.829454] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3538.848446] [] ? _cond_resched+0x19/0x23 [ 3538.861613] [] ? down_write+0xb3/0xea [ 3538.875574] [] ext4_ext_truncate+0x1ed/0x244 [ 3538.892367] [] ext4_truncate+0x5ba/0x8ce [ 3538.907926] [] ? ext4_punch_hole+0x83e/0x83e [ 3538.924875] [] ext4_setattr+0xdbb/0x11bd [ 3538.940758] [] ? ext4_journalled_write_end+0x894/0x894 [ 3538.958719] [] notify_change+0xa68/0xc5b [ 3538.974188] [] do_truncate+0x165/0x1e5 [ 3538.988843] [] ? do_truncate+0x165/0x1e5 [ 3539.002439] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3539.022839] [] path_openat+0x222a/0x2525 [ 3539.037245] [] ? qlink_to_cache+0x10/0x87 [ 3539.053367] [] ? may_open+0x1c0/0x1c0 [ 3539.068020] [] ? deactivate_slab+0x53d/0x566 [ 3539.082092] [] ? getname_flags+0x4f/0x2e0 [ 3539.097729] [] ? init_object+0x1d6/0x1e2 [ 3539.114906] [] ? expand_files+0x68a/0x6d7 [ 3539.132476] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3539.150632] [] do_filp_open+0xe2/0x18c [ 3539.166614] [] ? path_openat+0x2525/0x2525 [ 3539.182079] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3539.198208] [] ? __alloc_fd+0x43d/0x47f [ 3539.211240] [] ? exit_files+0xaa/0xaa [ 3539.227449] [] do_sys_open+0xf5/0x342 [ 3539.241582] [] ? do_sys_open+0xf5/0x342 [ 3539.255869] [] ? __do_page_fault+0x6d3/0x96b [ 3539.270870] [] ? filp_open+0x68/0x68 [ 3539.284640] [] SyS_open+0x32/0x39 [ 3539.299839] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3539.320431] ================================================================================ [ 3539.346238] ================================================================================ [ 3539.367449] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3539.384494] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3539.407883] which requires 64 byte alignment [ 3539.419026] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3539.440248] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3539.468357] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf200 ffffffffb26ec5cc [ 3539.488302] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3539.508266] 0000000000000010 ffff88009e9bf228 ffff88009e9bf1d8 ffffffffb363c3e0 [ 3539.527777] Call Trace: [ 3539.534209] [] dump_stack+0xd7/0x132 [ 3539.548880] [] ? arch_local_irq_restore+0x1b/0x1b [ 3539.563900] [] ubsan_epilogue+0x12/0x53 [ 3539.575643] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3539.593881] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3539.613995] [] ? jbd2_journal_put_journal_head+0x4b1/0x4bc [ 3539.631797] [] ext4_mb_load_buddy_gfp+0x41/0x944 [ 3539.650231] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3539.667987] [] ext4_free_blocks+0x7a2/0x17cf [ 3539.681334] [] ? vprintk_default+0x65/0x6e [ 3539.697804] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3539.715221] [] ? arch_local_irq_restore+0x6/0xd [ 3539.732424] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3539.754623] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3539.772924] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3539.788088] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3539.807397] [] ? arch_local_irq_restore+0x6/0xd [ 3539.823725] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3539.842901] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3539.860554] [] ? _cond_resched+0x19/0x23 [ 3539.874478] [] ? down_write+0xb3/0xea [ 3539.889323] [] ext4_ext_truncate+0x1ed/0x244 [ 3539.907115] [] ext4_truncate+0x5ba/0x8ce [ 3539.922782] [] ? ext4_punch_hole+0x83e/0x83e [ 3539.937728] [] ext4_setattr+0xdbb/0x11bd [ 3539.952010] [] ? ext4_journalled_write_end+0x894/0x894 [ 3539.970278] [] notify_change+0xa68/0xc5b [ 3539.985473] [] do_truncate+0x165/0x1e5 [ 3540.000332] [] ? do_truncate+0x165/0x1e5 [ 3540.013507] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3540.031231] [] path_openat+0x222a/0x2525 [ 3540.047168] [] ? qlink_to_cache+0x10/0x87 [ 3540.061039] [] ? may_open+0x1c0/0x1c0 [ 3540.075245] [] ? deactivate_slab+0x53d/0x566 [ 3540.092418] [] ? getname_flags+0x4f/0x2e0 [ 3540.108622] [] ? init_object+0x1d6/0x1e2 [ 3540.124200] [] ? expand_files+0x68a/0x6d7 [ 3540.142077] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3540.163832] [] do_filp_open+0xe2/0x18c [ 3540.177731] [] ? path_openat+0x2525/0x2525 [ 3540.193286] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3540.209476] [] ? __alloc_fd+0x43d/0x47f [ 3540.227402] [] ? exit_files+0xaa/0xaa [ 3540.242835] [] do_sys_open+0xf5/0x342 [ 3540.255861] [] ? do_sys_open+0xf5/0x342 [ 3540.271479] [] ? __do_page_fault+0x6d3/0x96b [ 3540.287971] [] ? filp_open+0x68/0x68 [ 3540.303444] [] SyS_open+0x32/0x39 [ 3540.315878] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3540.334449] ================================================================================ [ 3540.356113] ================================================================================ [ 3540.378359] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1123:16 [ 3540.396652] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3540.422765] which requires 64 byte alignment [ 3540.433427] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3540.452631] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3540.477587] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf200 ffffffffb26ec5cc [ 3540.498568] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3540.516710] ffff880000000010 ffff88009e9bf228 ffff88009e9bf1d8 ffffffffb363c3e0 [ 3540.533711] Call Trace: [ 3540.542058] [] dump_stack+0xd7/0x132 [ 3540.555773] [] ? arch_local_irq_restore+0x1b/0x1b [ 3540.573875] [] ubsan_epilogue+0x12/0x53 [ 3540.590013] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3540.608051] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3540.628516] [] ? jbd2_journal_put_journal_head+0x4b1/0x4bc [ 3540.647551] [] ext4_mb_load_buddy_gfp+0x6e/0x944 [ 3540.664336] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3540.681670] [] ext4_free_blocks+0x7a2/0x17cf [ 3540.697159] [] ? vprintk_default+0x65/0x6e [ 3540.712934] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3540.730351] [] ? arch_local_irq_restore+0x6/0xd [ 3540.746706] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3540.763833] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3540.781860] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3540.797659] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3540.814510] [] ? arch_local_irq_restore+0x6/0xd [ 3540.830299] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3540.846643] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3540.865328] [] ? _cond_resched+0x19/0x23 [ 3540.879992] [] ? down_write+0xb3/0xea [ 3540.897549] [] ext4_ext_truncate+0x1ed/0x244 [ 3540.913273] [] ext4_truncate+0x5ba/0x8ce [ 3540.928629] [] ? ext4_punch_hole+0x83e/0x83e [ 3540.943863] [] ext4_setattr+0xdbb/0x11bd [ 3540.957517] [] ? ext4_journalled_write_end+0x894/0x894 [ 3540.975728] [] notify_change+0xa68/0xc5b [ 3540.991177] [] do_truncate+0x165/0x1e5 [ 3541.005308] [] ? do_truncate+0x165/0x1e5 [ 3541.022095] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3541.039344] [] path_openat+0x222a/0x2525 [ 3541.054385] [] ? qlink_to_cache+0x10/0x87 [ 3541.070314] [] ? may_open+0x1c0/0x1c0 [ 3541.085073] [] ? deactivate_slab+0x53d/0x566 [ 3541.102178] [] ? getname_flags+0x4f/0x2e0 [ 3541.115294] [] ? init_object+0x1d6/0x1e2 [ 3541.132262] [] ? expand_files+0x68a/0x6d7 [ 3541.148540] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3541.167100] [] do_filp_open+0xe2/0x18c [ 3541.181388] [] ? path_openat+0x2525/0x2525 [ 3541.197723] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3541.213347] [] ? __alloc_fd+0x43d/0x47f [ 3541.230906] [] ? exit_files+0xaa/0xaa [ 3541.243501] [] do_sys_open+0xf5/0x342 [ 3541.259937] [] ? do_sys_open+0xf5/0x342 [ 3541.275799] [] ? __do_page_fault+0x6d3/0x96b [ 3541.290176] [] ? filp_open+0x68/0x68 [ 3541.304587] [] SyS_open+0x32/0x39 [ 3541.315724] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3541.331776] ================================================================================ [ 3541.353564] ================================================================================ [ 3541.377479] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1128:34 [ 3541.396914] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3541.422083] which requires 64 byte alignment [ 3541.431877] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3541.450679] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3541.475526] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf200 ffffffffb26ec5cc [ 3541.498058] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3541.517579] ffff880000000010 ffff88009e9bf228 ffff88009e9bf1d8 ffffffffb363c3e0 [ 3541.534901] Call Trace: [ 3541.544002] [] dump_stack+0xd7/0x132 [ 3541.557876] [] ? arch_local_irq_restore+0x1b/0x1b [ 3541.574822] [] ubsan_epilogue+0x12/0x53 [ 3541.590926] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3541.609692] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3541.629845] [] ? jbd2_journal_put_journal_head+0x4b1/0x4bc [ 3541.650568] [] ext4_mb_load_buddy_gfp+0xa2/0x944 [ 3541.667477] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3541.688185] [] ext4_free_blocks+0x7a2/0x17cf [ 3541.706348] [] ? vprintk_default+0x65/0x6e [ 3541.723633] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3541.743054] [] ? arch_local_irq_restore+0x6/0xd [ 3541.760994] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3541.778902] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3541.795275] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3541.815164] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3541.833191] [] ? arch_local_irq_restore+0x6/0xd [ 3541.848908] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3541.867216] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3541.884380] [] ? _cond_resched+0x19/0x23 [ 3541.900400] [] ? down_write+0xb3/0xea [ 3541.917088] [] ext4_ext_truncate+0x1ed/0x244 [ 3541.933087] [] ext4_truncate+0x5ba/0x8ce [ 3541.948911] [] ? ext4_punch_hole+0x83e/0x83e [ 3541.964169] [] ext4_setattr+0xdbb/0x11bd [ 3541.978499] [] ? ext4_journalled_write_end+0x894/0x894 [ 3541.998270] [] notify_change+0xa68/0xc5b [ 3542.014702] [] do_truncate+0x165/0x1e5 [ 3542.033457] [] ? do_truncate+0x165/0x1e5 [ 3542.049117] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3542.068853] [] path_openat+0x222a/0x2525 [ 3542.082637] [] ? qlink_to_cache+0x10/0x87 [ 3542.098296] [] ? may_open+0x1c0/0x1c0 [ 3542.110409] [] ? deactivate_slab+0x53d/0x566 [ 3542.126482] [] ? getname_flags+0x4f/0x2e0 [ 3542.142106] [] ? init_object+0x1d6/0x1e2 [ 3542.156020] [] ? expand_files+0x68a/0x6d7 [ 3542.173396] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3542.191593] [] do_filp_open+0xe2/0x18c [ 3542.204565] [] ? path_openat+0x2525/0x2525 [ 3542.222332] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3542.240628] [] ? __alloc_fd+0x43d/0x47f [ 3542.256839] [] ? exit_files+0xaa/0xaa [ 3542.272649] [] do_sys_open+0xf5/0x342 [ 3542.288460] [] ? do_sys_open+0xf5/0x342 [ 3542.303379] [] ? __do_page_fault+0x6d3/0x96b [ 3542.319247] [] ? filp_open+0x68/0x68 [ 3542.331209] [] SyS_open+0x32/0x39 [ 3542.346061] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3542.365206] ================================================================================ [ 3542.386981] ================================================================================ [ 3542.409662] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1131:22 [ 3542.428237] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3542.454541] which requires 64 byte alignment [ 3542.468135] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3542.484479] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3542.510043] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf200 ffffffffb26ec5cc [ 3542.529593] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3542.550665] ffffffff00000010 ffff88009e9bf228 ffff88009e9bf1d8 ffffffffb363c3e0 [ 3542.572786] Call Trace: [ 3542.580485] [] dump_stack+0xd7/0x132 [ 3542.592377] [] ? arch_local_irq_restore+0x1b/0x1b [ 3542.610079] [] ubsan_epilogue+0x12/0x53 [ 3542.625891] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3542.642992] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3542.664307] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3542.680799] [] ext4_mb_load_buddy_gfp+0x110/0x944 [ 3542.698237] [] ? __ext4_journal_get_write_access+0x6b/0x78 [ 3542.719839] [] ext4_free_blocks+0x7a2/0x17cf [ 3542.735035] [] ? vprintk_default+0x65/0x6e [ 3542.750876] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3542.766972] [] ? arch_local_irq_restore+0x6/0xd [ 3542.783113] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3542.800619] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3542.818702] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3542.835768] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3542.852419] [] ? arch_local_irq_restore+0x6/0xd [ 3542.868375] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3542.885650] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3542.903200] [] ? _cond_resched+0x19/0x23 [ 3542.918171] [] ? down_write+0xb3/0xea [ 3542.931672] [] ext4_ext_truncate+0x1ed/0x244 [ 3542.948154] [] ext4_truncate+0x5ba/0x8ce [ 3542.963201] [] ? ext4_punch_hole+0x83e/0x83e [ 3542.980941] [] ext4_setattr+0xdbb/0x11bd [ 3542.995993] [] ? ext4_journalled_write_end+0x894/0x894 [ 3543.012000] [] notify_change+0xa68/0xc5b [ 3543.028324] [] do_truncate+0x165/0x1e5 [ 3543.042682] [] ? do_truncate+0x165/0x1e5 [ 3543.058183] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3543.076631] [] path_openat+0x222a/0x2525 [ 3543.090397] [] ? qlink_to_cache+0x10/0x87 [ 3543.105561] [] ? may_open+0x1c0/0x1c0 [ 3543.118959] [] ? deactivate_slab+0x53d/0x566 [ 3543.134846] [] ? getname_flags+0x4f/0x2e0 [ 3543.150069] [] ? init_object+0x1d6/0x1e2 [ 3543.166275] [] ? expand_files+0x68a/0x6d7 [ 3543.179834] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3543.200631] [] do_filp_open+0xe2/0x18c [ 3543.215312] [] ? path_openat+0x2525/0x2525 [ 3543.231981] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3543.250051] [] ? __alloc_fd+0x43d/0x47f [ 3543.266293] [] ? exit_files+0xaa/0xaa [ 3543.280817] [] do_sys_open+0xf5/0x342 [ 3543.294460] [] ? do_sys_open+0xf5/0x342 [ 3543.309350] [] ? __do_page_fault+0x6d3/0x96b [ 3543.325983] [] ? filp_open+0x68/0x68 [ 3543.338263] [] SyS_open+0x32/0x39 [ 3543.355914] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3543.375084] ================================================================================ [ 3543.395929] ================================================================================ [ 3543.420450] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3543.437232] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3543.462136] which requires 64 byte alignment [ 3543.474871] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3543.495233] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3543.519556] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf110 ffffffffb26ec5cc [ 3543.537058] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3543.556133] ffffffff00000010 ffff88009e9bf138 ffff88009e9bf0e8 ffffffffb363c3e0 [ 3543.577067] Call Trace: [ 3543.583714] [] dump_stack+0xd7/0x132 [ 3543.595468] [] ? arch_local_irq_restore+0x1b/0x1b [ 3543.612121] [] ubsan_epilogue+0x12/0x53 [ 3543.628432] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3543.644861] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3543.665219] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3543.681307] [] ext4_mb_init_group+0xbb/0x5c9 [ 3543.696575] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3543.713956] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3543.732910] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3543.749306] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3543.767159] [] ext4_free_blocks+0x7a2/0x17cf [ 3543.781581] [] ? vprintk_default+0x65/0x6e [ 3543.795855] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3543.813400] [] ? arch_local_irq_restore+0x6/0xd [ 3543.831744] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3543.850290] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3543.868663] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3543.886313] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3543.907005] [] ? arch_local_irq_restore+0x6/0xd [ 3543.924339] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3543.943476] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3543.958161] [] ? _cond_resched+0x19/0x23 [ 3543.973345] [] ? down_write+0xb3/0xea [ 3543.988304] [] ext4_ext_truncate+0x1ed/0x244 [ 3544.003968] [] ext4_truncate+0x5ba/0x8ce [ 3544.017041] [] ? ext4_punch_hole+0x83e/0x83e [ 3544.032936] [] ext4_setattr+0xdbb/0x11bd [ 3544.047751] [] ? ext4_journalled_write_end+0x894/0x894 [ 3544.066547] [] notify_change+0xa68/0xc5b [ 3544.080986] [] do_truncate+0x165/0x1e5 [ 3544.093626] [] ? do_truncate+0x165/0x1e5 [ 3544.109064] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3544.127446] [] path_openat+0x222a/0x2525 [ 3544.142479] [] ? qlink_to_cache+0x10/0x87 [ 3544.160525] [] ? may_open+0x1c0/0x1c0 [ 3544.174191] [] ? deactivate_slab+0x53d/0x566 [ 3544.191318] [] ? getname_flags+0x4f/0x2e0 [ 3544.205012] [] ? init_object+0x1d6/0x1e2 [ 3544.219895] [] ? expand_files+0x68a/0x6d7 [ 3544.232685] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3544.250599] [] do_filp_open+0xe2/0x18c [ 3544.264971] [] ? path_openat+0x2525/0x2525 [ 3544.279430] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3544.295490] [] ? __alloc_fd+0x43d/0x47f [ 3544.312106] [] ? exit_files+0xaa/0xaa [ 3544.326355] [] do_sys_open+0xf5/0x342 [ 3544.340554] [] ? do_sys_open+0xf5/0x342 [ 3544.354509] [] ? __do_page_fault+0x6d3/0x96b [ 3544.370595] [] ? filp_open+0x68/0x68 [ 3544.384491] [] SyS_open+0x32/0x39 [ 3544.396939] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3544.415053] ================================================================================ [ 3544.448704] ================================================================================ [ 3544.470692] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:988:16 [ 3544.488409] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3544.513334] which requires 64 byte alignment [ 3544.525596] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3544.544628] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3544.568953] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf110 ffffffffb26ec5cc [ 3544.590356] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3544.611052] ffff880000000010 ffff88009e9bf138 ffff88009e9bf0e8 ffffffffb363c3e0 [ 3544.630832] Call Trace: [ 3544.636971] [] dump_stack+0xd7/0x132 [ 3544.651243] [] ? arch_local_irq_restore+0x1b/0x1b [ 3544.670212] [] ubsan_epilogue+0x12/0x53 [ 3544.684656] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3544.702059] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3544.719506] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3544.734327] [] ext4_mb_init_group+0xe9/0x5c9 [ 3544.750555] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3544.766508] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3544.787638] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3544.803973] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3544.820797] [] ext4_free_blocks+0x7a2/0x17cf [ 3544.838753] [] ? vprintk_default+0x65/0x6e [ 3544.852611] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3544.892914] [] ? arch_local_irq_restore+0x6/0xd [ 3544.933353] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3544.981386] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3544.997542] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3545.015328] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3545.030942] [] ? arch_local_irq_restore+0x6/0xd [ 3545.049170] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3545.076057] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3545.100822] [] ? _cond_resched+0x19/0x23 [ 3545.119769] [] ? down_write+0xb3/0xea [ 3545.134742] [] ext4_ext_truncate+0x1ed/0x244 [ 3545.154702] [] ext4_truncate+0x5ba/0x8ce [ 3545.169838] [] ? ext4_punch_hole+0x83e/0x83e [ 3545.185021] [] ext4_setattr+0xdbb/0x11bd [ 3545.200646] [] ? ext4_journalled_write_end+0x894/0x894 [ 3545.216533] [] notify_change+0xa68/0xc5b [ 3545.230379] [] do_truncate+0x165/0x1e5 [ 3545.244310] [] ? do_truncate+0x165/0x1e5 [ 3545.260181] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3545.277538] [] path_openat+0x222a/0x2525 [ 3545.296345] [] ? qlink_to_cache+0x10/0x87 [ 3545.312856] [] ? may_open+0x1c0/0x1c0 [ 3545.327997] [] ? deactivate_slab+0x53d/0x566 [ 3545.347061] [] ? getname_flags+0x4f/0x2e0 [ 3545.364283] [] ? init_object+0x1d6/0x1e2 [ 3545.378291] [] ? expand_files+0x68a/0x6d7 [ 3545.392932] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3545.412398] [] do_filp_open+0xe2/0x18c [ 3545.426818] [] ? path_openat+0x2525/0x2525 [ 3545.443761] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3545.460186] [] ? __alloc_fd+0x43d/0x47f [ 3545.474666] [] ? exit_files+0xaa/0xaa [ 3545.490621] [] do_sys_open+0xf5/0x342 [ 3545.502371] [] ? do_sys_open+0xf5/0x342 [ 3545.514019] [] ? __do_page_fault+0x6d3/0x96b [ 3545.528843] [] ? filp_open+0x68/0x68 [ 3545.543937] [] SyS_open+0x32/0x39 [ 3545.555690] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3545.573683] ================================================================================ [ 3545.596272] ================================================================================ [ 3545.619377] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:996:34 [ 3545.635520] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3545.661459] which requires 64 byte alignment [ 3545.674309] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3545.698759] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3545.724103] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf110 ffffffffb26ec5cc [ 3545.747261] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3545.766796] ffff880000000010 ffff88009e9bf138 ffff88009e9bf0e8 ffffffffb363c3e0 [ 3545.789396] Call Trace: [ 3545.796798] [] dump_stack+0xd7/0x132 [ 3545.810020] [] ? arch_local_irq_restore+0x1b/0x1b [ 3545.830714] [] ubsan_epilogue+0x12/0x53 [ 3545.845727] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3545.864168] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3545.882793] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3545.902942] [] ext4_mb_init_group+0x129/0x5c9 [ 3545.918292] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3545.934765] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3545.952053] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3545.971658] [] ext4_free_blocks+0x7a2/0x17cf [ 3545.987688] [] ? vprintk_default+0x65/0x6e [ 3546.002316] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3546.018927] [] ? arch_local_irq_restore+0x6/0xd [ 3546.034283] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3546.053619] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3546.071856] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3546.088571] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3546.107586] [] ? arch_local_irq_restore+0x6/0xd [ 3546.124093] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3546.140937] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3546.163155] [] ? _cond_resched+0x19/0x23 [ 3546.179361] [] ? down_write+0xb3/0xea [ 3546.193717] [] ext4_ext_truncate+0x1ed/0x244 [ 3546.209169] [] ext4_truncate+0x5ba/0x8ce [ 3546.224295] [] ? ext4_punch_hole+0x83e/0x83e [ 3546.240071] [] ext4_setattr+0xdbb/0x11bd [ 3546.256616] [] ? ext4_journalled_write_end+0x894/0x894 [ 3546.274521] [] notify_change+0xa68/0xc5b [ 3546.291132] [] do_truncate+0x165/0x1e5 [ 3546.305103] [] ? do_truncate+0x165/0x1e5 [ 3546.322177] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3546.341574] [] path_openat+0x222a/0x2525 [ 3546.354355] [] ? qlink_to_cache+0x10/0x87 [ 3546.371829] [] ? may_open+0x1c0/0x1c0 [ 3546.387018] [] ? deactivate_slab+0x53d/0x566 [ 3546.402211] [] ? getname_flags+0x4f/0x2e0 [ 3546.417412] [] ? init_object+0x1d6/0x1e2 [ 3546.432973] [] ? expand_files+0x68a/0x6d7 [ 3546.452148] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3546.471483] [] do_filp_open+0xe2/0x18c [ 3546.487218] [] ? path_openat+0x2525/0x2525 [ 3546.502003] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3546.517180] [] ? __alloc_fd+0x43d/0x47f [ 3546.530012] [] ? exit_files+0xaa/0xaa [ 3546.544813] [] do_sys_open+0xf5/0x342 [ 3546.557800] [] ? do_sys_open+0xf5/0x342 [ 3546.576344] [] ? __do_page_fault+0x6d3/0x96b [ 3546.592484] [] ? filp_open+0x68/0x68 [ 3546.608487] [] SyS_open+0x32/0x39 [ 3546.623386] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3546.643764] ================================================================================ [ 3546.667083] ================================================================================ [ 3546.689954] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1010:50 [ 3546.710806] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3546.736002] which requires 64 byte alignment [ 3546.748325] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3546.768996] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3546.794349] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf110 ffffffffb26ec5cc [ 3546.817188] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3546.837610] ffffea0000000010 ffff88009e9bf138 ffff88009e9bf0e8 ffffffffb363c3e0 [ 3546.857181] Call Trace: [ 3546.865644] [] dump_stack+0xd7/0x132 [ 3546.879207] [] ? arch_local_irq_restore+0x1b/0x1b [ 3546.898618] [] ubsan_epilogue+0x12/0x53 [ 3546.911912] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3546.931646] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3546.951463] [] ? pagecache_get_page+0x27e/0x28e [ 3546.972660] [] ext4_mb_init_group+0x31e/0x5c9 [ 3546.987842] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3547.004135] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3547.028846] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3547.054023] [] ext4_free_blocks+0x7a2/0x17cf [ 3547.074714] [] ? vprintk_default+0x65/0x6e [ 3547.092992] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3547.115301] [] ? arch_local_irq_restore+0x6/0xd [ 3547.139306] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3547.166958] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3547.191208] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3547.219551] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3547.241246] [] ? arch_local_irq_restore+0x6/0xd [ 3547.256602] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3547.276636] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3547.295585] [] ? _cond_resched+0x19/0x23 [ 3547.310198] [] ? down_write+0xb3/0xea [ 3547.326347] [] ext4_ext_truncate+0x1ed/0x244 [ 3547.341780] [] ext4_truncate+0x5ba/0x8ce [ 3547.354462] [] ? ext4_punch_hole+0x83e/0x83e [ 3547.372134] [] ext4_setattr+0xdbb/0x11bd [ 3547.386263] [] ? ext4_journalled_write_end+0x894/0x894 [ 3547.406541] [] notify_change+0xa68/0xc5b [ 3547.424244] [] do_truncate+0x165/0x1e5 [ 3547.440884] [] ? do_truncate+0x165/0x1e5 [ 3547.458044] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3547.478052] [] path_openat+0x222a/0x2525 [ 3547.492325] [] ? qlink_to_cache+0x10/0x87 [ 3547.505834] [] ? may_open+0x1c0/0x1c0 [ 3547.517582] [] ? deactivate_slab+0x53d/0x566 [ 3547.532799] [] ? getname_flags+0x4f/0x2e0 [ 3547.550896] [] ? init_object+0x1d6/0x1e2 [ 3547.565875] [] ? expand_files+0x68a/0x6d7 [ 3547.581869] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3547.601073] [] do_filp_open+0xe2/0x18c [ 3547.618259] [] ? path_openat+0x2525/0x2525 [ 3547.631831] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3547.652997] [] ? __alloc_fd+0x43d/0x47f [ 3547.667887] [] ? exit_files+0xaa/0xaa [ 3547.682139] [] do_sys_open+0xf5/0x342 [ 3547.695473] [] ? do_sys_open+0xf5/0x342 [ 3547.708898] [] ? __do_page_fault+0x6d3/0x96b [ 3547.725289] [] ? filp_open+0x68/0x68 [ 3547.738364] [] SyS_open+0x32/0x39 [ 3547.752232] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3547.770712] ================================================================================ [ 3547.790041] ================================================================================ [ 3547.814307] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3547.831421] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3547.858053] which requires 64 byte alignment [ 3547.870236] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3547.887913] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3547.914929] 00000000ffffffff 000000001f43b5f3 ffff88009e9beff8 ffffffffb26ec5cc [ 3547.937951] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3547.962923] 1ffff10000000010 ffff88009e9bf020 ffff88009e9befd0 ffffffffb363c3e0 [ 3547.983406] Call Trace: [ 3547.991142] [] dump_stack+0xd7/0x132 [ 3548.004572] [] ? arch_local_irq_restore+0x1b/0x1b [ 3548.023604] [] ubsan_epilogue+0x12/0x53 [ 3548.057237] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3548.075957] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3548.095198] [] ? compound_head+0x4e/0x56 [ 3548.111414] [] ext4_mb_init_cache+0x112/0xbb3 [ 3548.128131] [] ? __page_cache_alloc+0x1a7/0x1b9 [ 3548.144770] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3548.161041] [] ? pagecache_get_page+0x27e/0x28e [ 3548.175438] [] ext4_mb_init_group+0x4a6/0x5c9 [ 3548.193149] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3548.210424] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3548.227382] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3548.244503] [] ext4_free_blocks+0x7a2/0x17cf [ 3548.261347] [] ? vprintk_default+0x65/0x6e [ 3548.275471] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3548.294346] [] ? arch_local_irq_restore+0x6/0xd [ 3548.312206] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3548.329511] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3548.348381] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3548.367468] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3548.386026] [] ? arch_local_irq_restore+0x6/0xd [ 3548.402116] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3548.420698] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3548.435233] [] ? _cond_resched+0x19/0x23 [ 3548.451812] [] ? down_write+0xb3/0xea [ 3548.467244] [] ext4_ext_truncate+0x1ed/0x244 [ 3548.483188] [] ext4_truncate+0x5ba/0x8ce [ 3548.499950] [] ? ext4_punch_hole+0x83e/0x83e [ 3548.512781] [] ext4_setattr+0xdbb/0x11bd [ 3548.529679] [] ? ext4_journalled_write_end+0x894/0x894 [ 3548.547376] [] notify_change+0xa68/0xc5b [ 3548.563098] [] do_truncate+0x165/0x1e5 [ 3548.578138] [] ? do_truncate+0x165/0x1e5 [ 3548.592343] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3548.611173] [] path_openat+0x222a/0x2525 [ 3548.626730] [] ? qlink_to_cache+0x10/0x87 [ 3548.642020] [] ? may_open+0x1c0/0x1c0 [ 3548.654530] [] ? deactivate_slab+0x53d/0x566 [ 3548.669716] [] ? getname_flags+0x4f/0x2e0 [ 3548.683781] [] ? init_object+0x1d6/0x1e2 [ 3548.699461] [] ? expand_files+0x68a/0x6d7 [ 3548.715846] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3548.733645] [] do_filp_open+0xe2/0x18c [ 3548.747308] [] ? path_openat+0x2525/0x2525 [ 3548.764144] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3548.781903] [] ? __alloc_fd+0x43d/0x47f [ 3548.795466] [] ? exit_files+0xaa/0xaa [ 3548.808531] [] do_sys_open+0xf5/0x342 [ 3548.824935] [] ? do_sys_open+0xf5/0x342 [ 3548.838961] [] ? __do_page_fault+0x6d3/0x96b [ 3548.857483] [] ? filp_open+0x68/0x68 [ 3548.872113] [] SyS_open+0x32/0x39 [ 3548.885505] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3548.903460] ================================================================================ [ 3548.926300] ================================================================================ [ 3548.949483] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2827:15 [ 3548.964327] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3548.990353] which requires 64 byte alignment [ 3549.001903] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3549.022519] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3549.047560] 00000000ffffffff 000000001f43b5f3 ffff88009e9beff8 ffffffffb26ec5cc [ 3549.069490] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3549.093462] ffffffff00000010 ffff88009e9bf020 ffff88009e9befd0 ffffffffb363c3e0 [ 3549.112813] Call Trace: [ 3549.119049] [] dump_stack+0xd7/0x132 [ 3549.132190] [] ? arch_local_irq_restore+0x1b/0x1b [ 3549.148943] [] ubsan_epilogue+0x12/0x53 [ 3549.164724] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3549.181429] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3549.201970] [] ? compound_head+0x4e/0x56 [ 3549.217197] [] ext4_mb_init_cache+0x13f/0xbb3 [ 3549.233304] [] ? __page_cache_alloc+0x1a7/0x1b9 [ 3549.250265] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3549.267621] [] ? pagecache_get_page+0x27e/0x28e [ 3549.284361] [] ext4_mb_init_group+0x4a6/0x5c9 [ 3549.301338] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3549.315360] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3549.334273] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3549.352078] [] ext4_free_blocks+0x7a2/0x17cf [ 3549.370411] [] ? vprintk_default+0x65/0x6e [ 3549.384701] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3549.401283] [] ? arch_local_irq_restore+0x6/0xd [ 3549.419343] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3549.439156] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3549.455154] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3549.472365] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3549.492207] [] ? arch_local_irq_restore+0x6/0xd [ 3549.507787] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3549.524248] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3549.544542] [] ? _cond_resched+0x19/0x23 [ 3549.559465] [] ? down_write+0xb3/0xea [ 3549.577789] [] ext4_ext_truncate+0x1ed/0x244 [ 3549.594306] [] ext4_truncate+0x5ba/0x8ce [ 3549.608192] [] ? ext4_punch_hole+0x83e/0x83e [ 3549.624151] [] ext4_setattr+0xdbb/0x11bd [ 3549.638502] [] ? ext4_journalled_write_end+0x894/0x894 [ 3549.658357] [] notify_change+0xa68/0xc5b [ 3549.673071] [] do_truncate+0x165/0x1e5 [ 3549.686080] [] ? do_truncate+0x165/0x1e5 [ 3549.702068] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3549.720655] [] path_openat+0x222a/0x2525 [ 3549.734719] [] ? qlink_to_cache+0x10/0x87 [ 3549.748461] [] ? may_open+0x1c0/0x1c0 [ 3549.762897] [] ? deactivate_slab+0x53d/0x566 [ 3549.781727] [] ? getname_flags+0x4f/0x2e0 [ 3549.794970] [] ? init_object+0x1d6/0x1e2 [ 3549.810286] [] ? expand_files+0x68a/0x6d7 [ 3549.826493] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3549.844622] [] do_filp_open+0xe2/0x18c [ 3549.860874] [] ? path_openat+0x2525/0x2525 [ 3549.876052] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3549.893796] [] ? __alloc_fd+0x43d/0x47f [ 3549.909562] [] ? exit_files+0xaa/0xaa [ 3549.924782] [] do_sys_open+0xf5/0x342 [ 3549.939915] [] ? do_sys_open+0xf5/0x342 [ 3549.959005] [] ? __do_page_fault+0x6d3/0x96b [ 3549.974944] [] ? filp_open+0x68/0x68 [ 3549.993125] [] SyS_open+0x32/0x39 [ 3550.005885] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3550.022451] ================================================================================ [ 3550.046942] ================================================================================ [ 3550.070755] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3550.089049] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3550.114744] which requires 64 byte alignment [ 3550.125531] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3550.142800] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3550.168996] 00000000ffffffff 000000001f43b5f3 ffff88009e9befc8 ffffffffb26ec5cc [ 3550.189403] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3550.208652] 0000000000000010 ffff88009e9beff0 ffff88009e9befa0 ffffffffb363c3e0 [ 3550.229593] Call Trace: [ 3550.235551] [] dump_stack+0xd7/0x132 [ 3550.251574] [] ? arch_local_irq_restore+0x1b/0x1b [ 3550.268010] [] ubsan_epilogue+0x12/0x53 [ 3550.281180] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3550.300089] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3550.319992] [] ? ext4_read_block_bitmap_nowait+0xaa0/0xab2 [ 3550.337359] [] ext4_lock_group+0x2f/0x11f [ 3550.355146] [] ext4_mb_init_cache+0x8e8/0xbb3 [ 3550.371533] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3550.394864] [] ? pagecache_get_page+0x27e/0x28e [ 3550.413369] [] ext4_mb_init_group+0x4a6/0x5c9 [ 3550.430649] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3550.451890] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3550.468460] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3550.486646] [] ext4_free_blocks+0x7a2/0x17cf [ 3550.502286] [] ? vprintk_default+0x65/0x6e [ 3550.520693] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3550.536284] [] ? arch_local_irq_restore+0x6/0xd [ 3550.552886] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3550.573036] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3550.592532] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3550.610359] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3550.630169] [] ? arch_local_irq_restore+0x6/0xd [ 3550.647809] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3550.663371] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3550.681223] [] ? _cond_resched+0x19/0x23 [ 3550.696893] [] ? down_write+0xb3/0xea [ 3550.711644] [] ext4_ext_truncate+0x1ed/0x244 [ 3550.727667] [] ext4_truncate+0x5ba/0x8ce [ 3550.742829] [] ? ext4_punch_hole+0x83e/0x83e [ 3550.758070] [] ext4_setattr+0xdbb/0x11bd [ 3550.772028] [] ? ext4_journalled_write_end+0x894/0x894 [ 3550.790579] [] notify_change+0xa68/0xc5b [ 3550.804730] [] do_truncate+0x165/0x1e5 [ 3550.819520] [] ? do_truncate+0x165/0x1e5 [ 3550.839298] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3550.860557] [] path_openat+0x222a/0x2525 [ 3550.874446] [] ? qlink_to_cache+0x10/0x87 [ 3550.889163] [] ? may_open+0x1c0/0x1c0 [ 3550.902845] [] ? deactivate_slab+0x53d/0x566 [ 3550.918829] [] ? getname_flags+0x4f/0x2e0 [ 3550.932936] [] ? init_object+0x1d6/0x1e2 [ 3550.951265] [] ? expand_files+0x68a/0x6d7 [ 3550.967137] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3550.986978] [] do_filp_open+0xe2/0x18c [ 3551.001201] [] ? path_openat+0x2525/0x2525 [ 3551.017227] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3551.031902] [] ? __alloc_fd+0x43d/0x47f [ 3551.049274] [] ? exit_files+0xaa/0xaa [ 3551.063375] [] do_sys_open+0xf5/0x342 [ 3551.076466] [] ? do_sys_open+0xf5/0x342 [ 3551.088431] [] ? __do_page_fault+0x6d3/0x96b [ 3551.104539] [] ? filp_open+0x68/0x68 [ 3551.118781] [] SyS_open+0x32/0x39 [ 3551.131960] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3551.149529] ================================================================================ [ 3551.170972] ================================================================================ [ 3551.193354] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2933:9 [ 3551.211136] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3551.237236] which requires 64 byte alignment [ 3551.246940] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3551.267479] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3551.291805] 00000000ffffffff 000000001f43b5f3 ffff88009e9befc8 ffffffffb26ec5cc [ 3551.311659] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3551.331094] ffffffff00000010 ffff88009e9beff0 ffff88009e9befa0 ffffffffb363c3e0 [ 3551.353871] Call Trace: [ 3551.360862] [] dump_stack+0xd7/0x132 [ 3551.375581] [] ? arch_local_irq_restore+0x1b/0x1b [ 3551.393749] [] ubsan_epilogue+0x12/0x53 [ 3551.408477] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3551.428263] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3551.448247] [] ? ext4_read_block_bitmap_nowait+0xaa0/0xab2 [ 3551.468350] [] ext4_lock_group+0x5f/0x11f [ 3551.482966] [] ext4_mb_init_cache+0x8e8/0xbb3 [ 3551.497670] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3551.512776] [] ? pagecache_get_page+0x27e/0x28e [ 3551.531308] [] ext4_mb_init_group+0x4a6/0x5c9 [ 3551.547762] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3551.564052] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3551.583214] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3551.598897] [] ext4_free_blocks+0x7a2/0x17cf [ 3551.617991] [] ? vprintk_default+0x65/0x6e [ 3551.631617] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3551.649448] [] ? arch_local_irq_restore+0x6/0xd [ 3551.667385] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3551.686218] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3551.702521] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3551.720974] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3551.740940] [] ? arch_local_irq_restore+0x6/0xd [ 3551.755136] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3551.771389] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3551.788863] [] ? _cond_resched+0x19/0x23 [ 3551.803523] [] ? down_write+0xb3/0xea [ 3551.819731] [] ext4_ext_truncate+0x1ed/0x244 [ 3551.834357] [] ext4_truncate+0x5ba/0x8ce [ 3551.848772] [] ? ext4_punch_hole+0x83e/0x83e [ 3551.866046] [] ext4_setattr+0xdbb/0x11bd [ 3551.882682] [] ? ext4_journalled_write_end+0x894/0x894 [ 3551.900287] [] notify_change+0xa68/0xc5b [ 3551.917586] [] do_truncate+0x165/0x1e5 [ 3551.933542] [] ? do_truncate+0x165/0x1e5 [ 3551.949285] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3551.968820] [] path_openat+0x222a/0x2525 [ 3551.981700] [] ? qlink_to_cache+0x10/0x87 [ 3551.998347] [] ? may_open+0x1c0/0x1c0 [ 3552.012545] [] ? deactivate_slab+0x53d/0x566 [ 3552.028539] [] ? getname_flags+0x4f/0x2e0 [ 3552.044676] [] ? init_object+0x1d6/0x1e2 [ 3552.060905] [] ? expand_files+0x68a/0x6d7 [ 3552.074083] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3552.093036] [] do_filp_open+0xe2/0x18c [ 3552.107675] [] ? path_openat+0x2525/0x2525 [ 3552.122829] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3552.139643] [] ? __alloc_fd+0x43d/0x47f [ 3552.153847] [] ? exit_files+0xaa/0xaa [ 3552.169364] [] do_sys_open+0xf5/0x342 [ 3552.182697] [] ? do_sys_open+0xf5/0x342 [ 3552.196726] [] ? __do_page_fault+0x6d3/0x96b [ 3552.211528] [] ? filp_open+0x68/0x68 [ 3552.227940] [] SyS_open+0x32/0x39 [ 3552.242499] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3552.262388] ================================================================================ [ 3552.287132] ================================================================================ [ 3552.310529] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3552.328664] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3552.353962] which requires 64 byte alignment [ 3552.367686] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3552.389355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3552.413933] 00000000ffffffff 000000001f43b5f3 ffff88009e9befc8 ffffffffb26ec5cc [ 3552.434727] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3552.459197] ffffffff00000010 ffff88009e9beff0 ffff88009e9befa0 ffffffffb363c3e0 [ 3552.478505] Call Trace: [ 3552.485338] [] dump_stack+0xd7/0x132 [ 3552.497748] [] ? arch_local_irq_restore+0x1b/0x1b [ 3552.514237] [] ubsan_epilogue+0x12/0x53 [ 3552.527729] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3552.545451] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3552.564126] [] ? ext4_read_block_bitmap_nowait+0xaa0/0xab2 [ 3552.579946] [] ext4_lock_group+0xa4/0x11f [ 3552.594448] [] ext4_mb_init_cache+0x8e8/0xbb3 [ 3552.608395] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3552.626639] [] ? pagecache_get_page+0x27e/0x28e [ 3552.644327] [] ext4_mb_init_group+0x4a6/0x5c9 [ 3552.661183] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3552.680264] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3552.695779] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3552.713160] [] ext4_free_blocks+0x7a2/0x17cf [ 3552.728589] [] ? vprintk_default+0x65/0x6e [ 3552.746215] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3552.762890] [] ? arch_local_irq_restore+0x6/0xd [ 3552.777924] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3552.801192] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3552.820820] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3552.838655] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3552.858874] [] ? arch_local_irq_restore+0x6/0xd [ 3552.874663] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3552.893195] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3552.910853] [] ? _cond_resched+0x19/0x23 [ 3552.925327] [] ? down_write+0xb3/0xea [ 3552.939587] [] ext4_ext_truncate+0x1ed/0x244 [ 3552.953168] [] ext4_truncate+0x5ba/0x8ce [ 3552.969506] [] ? ext4_punch_hole+0x83e/0x83e [ 3552.987604] [] ext4_setattr+0xdbb/0x11bd [ 3553.002207] [] ? ext4_journalled_write_end+0x894/0x894 [ 3553.021508] [] notify_change+0xa68/0xc5b [ 3553.035488] [] do_truncate+0x165/0x1e5 [ 3553.048680] [] ? do_truncate+0x165/0x1e5 [ 3553.064339] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3553.083251] [] path_openat+0x222a/0x2525 [ 3553.099235] [] ? qlink_to_cache+0x10/0x87 [ 3553.115339] [] ? may_open+0x1c0/0x1c0 [ 3553.128048] [] ? deactivate_slab+0x53d/0x566 [ 3553.143892] [] ? getname_flags+0x4f/0x2e0 [ 3553.159373] [] ? init_object+0x1d6/0x1e2 [ 3553.173643] [] ? expand_files+0x68a/0x6d7 [ 3553.191022] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3553.210353] [] do_filp_open+0xe2/0x18c [ 3553.225012] [] ? path_openat+0x2525/0x2525 [ 3553.241652] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3553.260898] [] ? __alloc_fd+0x43d/0x47f [ 3553.275371] [] ? exit_files+0xaa/0xaa [ 3553.290674] [] do_sys_open+0xf5/0x342 [ 3553.303546] [] ? do_sys_open+0xf5/0x342 [ 3553.317891] [] ? __do_page_fault+0x6d3/0x96b [ 3553.333710] [] ? filp_open+0x68/0x68 [ 3553.347744] [] SyS_open+0x32/0x39 [ 3553.361521] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3553.378140] ================================================================================ [ 3553.400081] ================================================================================ [ 3553.421692] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3553.438206] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3553.462287] which requires 64 byte alignment [ 3553.473991] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3553.494261] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3553.521130] 00000000ffffffff 000000001f43b5f3 ffff88009e9befd8 ffffffffb26ec5cc [ 3553.541204] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3553.561029] ffffffff00000010 ffff88009e9bf000 ffff88009e9befb0 ffffffffb363c3e0 [ 3553.580774] Call Trace: [ 3553.586604] [] dump_stack+0xd7/0x132 [ 3553.600704] [] ? arch_local_irq_restore+0x1b/0x1b [ 3553.617741] [] ubsan_epilogue+0x12/0x53 [ 3553.632324] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3553.651413] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3553.672519] [] ext4_unlock_group+0x2b/0x83 [ 3553.688790] [] ext4_mb_init_cache+0x9a0/0xbb3 [ 3553.704783] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3553.721483] [] ? pagecache_get_page+0x27e/0x28e [ 3553.737898] [] ext4_mb_init_group+0x4a6/0x5c9 [ 3553.753984] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3553.771282] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3553.788447] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3553.807186] [] ext4_free_blocks+0x7a2/0x17cf [ 3553.822692] [] ? vprintk_default+0x65/0x6e [ 3553.837841] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3553.853984] [] ? arch_local_irq_restore+0x6/0xd [ 3553.872810] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3553.892598] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3553.912329] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3553.930027] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3553.949095] [] ? arch_local_irq_restore+0x6/0xd [ 3553.967317] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3553.982466] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3554.000147] [] ? _cond_resched+0x19/0x23 [ 3554.013552] [] ? down_write+0xb3/0xea [ 3554.026571] [] ext4_ext_truncate+0x1ed/0x244 [ 3554.042742] [] ext4_truncate+0x5ba/0x8ce [ 3554.055330] [] ? ext4_punch_hole+0x83e/0x83e [ 3554.072402] [] ext4_setattr+0xdbb/0x11bd [ 3554.087533] [] ? ext4_journalled_write_end+0x894/0x894 [ 3554.107504] [] notify_change+0xa68/0xc5b [ 3554.121586] [] do_truncate+0x165/0x1e5 [ 3554.133918] [] ? do_truncate+0x165/0x1e5 [ 3554.150907] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3554.169446] [] path_openat+0x222a/0x2525 [ 3554.187960] [] ? qlink_to_cache+0x10/0x87 [ 3554.201520] [] ? may_open+0x1c0/0x1c0 [ 3554.214231] [] ? deactivate_slab+0x53d/0x566 [ 3554.231493] [] ? getname_flags+0x4f/0x2e0 [ 3554.246326] [] ? init_object+0x1d6/0x1e2 [ 3554.260075] [] ? expand_files+0x68a/0x6d7 [ 3554.272522] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3554.291178] [] do_filp_open+0xe2/0x18c [ 3554.303344] [] ? path_openat+0x2525/0x2525 [ 3554.320676] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3554.337821] [] ? __alloc_fd+0x43d/0x47f [ 3554.353288] [] ? exit_files+0xaa/0xaa [ 3554.367744] [] do_sys_open+0xf5/0x342 [ 3554.379205] [] ? do_sys_open+0xf5/0x342 [ 3554.393302] [] ? __do_page_fault+0x6d3/0x96b [ 3554.406755] [] ? filp_open+0x68/0x68 [ 3554.421402] [] SyS_open+0x32/0x39 [ 3554.438216] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3554.457758] ================================================================================ [ 3554.481343] ================================================================================ [ 3554.502763] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2933:9 [ 3554.517764] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3554.541834] which requires 64 byte alignment [ 3554.552270] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3554.572276] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3554.595707] 00000000ffffffff 000000001f43b5f3 ffff88009e9befd8 ffffffffb26ec5cc [ 3554.614843] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3554.635897] ffffffff00000010 ffff88009e9bf000 ffff88009e9befb0 ffffffffb363c3e0 [ 3554.656730] Call Trace: [ 3554.663157] [] dump_stack+0xd7/0x132 [ 3554.676724] [] ? arch_local_irq_restore+0x1b/0x1b [ 3554.692134] [] ubsan_epilogue+0x12/0x53 [ 3554.704738] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3554.722660] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3554.741630] [] ext4_unlock_group+0x5a/0x83 [ 3554.756681] [] ext4_mb_init_cache+0x9a0/0xbb3 [ 3554.774137] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3554.793823] [] ? pagecache_get_page+0x27e/0x28e [ 3554.811418] [] ext4_mb_init_group+0x4a6/0x5c9 [ 3554.828005] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3554.844693] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3554.863907] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3554.880411] [] ext4_free_blocks+0x7a2/0x17cf [ 3554.898989] [] ? vprintk_default+0x65/0x6e [ 3554.914931] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3554.930763] [] ? arch_local_irq_restore+0x6/0xd [ 3554.949487] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3554.969251] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3554.987263] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3555.003686] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3555.024539] [] ? arch_local_irq_restore+0x6/0xd [ 3555.041622] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3555.057381] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3555.076795] [] ? _cond_resched+0x19/0x23 [ 3555.092793] [] ? down_write+0xb3/0xea [ 3555.110105] [] ext4_ext_truncate+0x1ed/0x244 [ 3555.127010] [] ext4_truncate+0x5ba/0x8ce [ 3555.144696] [] ? ext4_punch_hole+0x83e/0x83e [ 3555.162150] [] ext4_setattr+0xdbb/0x11bd [ 3555.176446] [] ? ext4_journalled_write_end+0x894/0x894 [ 3555.194859] [] notify_change+0xa68/0xc5b [ 3555.210661] [] do_truncate+0x165/0x1e5 [ 3555.224603] [] ? do_truncate+0x165/0x1e5 [ 3555.240980] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3555.260414] [] path_openat+0x222a/0x2525 [ 3555.273454] [] ? qlink_to_cache+0x10/0x87 [ 3555.291385] [] ? may_open+0x1c0/0x1c0 [ 3555.304803] [] ? deactivate_slab+0x53d/0x566 [ 3555.319948] [] ? getname_flags+0x4f/0x2e0 [ 3555.335807] [] ? init_object+0x1d6/0x1e2 [ 3555.349492] [] ? expand_files+0x68a/0x6d7 [ 3555.366394] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3555.383475] [] do_filp_open+0xe2/0x18c [ 3555.397753] [] ? path_openat+0x2525/0x2525 [ 3555.413018] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3555.428905] [] ? __alloc_fd+0x43d/0x47f [ 3555.443486] [] ? exit_files+0xaa/0xaa [ 3555.456430] [] do_sys_open+0xf5/0x342 [ 3555.470421] [] ? do_sys_open+0xf5/0x342 [ 3555.485269] [] ? __do_page_fault+0x6d3/0x96b [ 3555.502300] [] ? filp_open+0x68/0x68 [ 3555.515908] [] SyS_open+0x32/0x39 [ 3555.528793] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3555.546971] ================================================================================ [ 3555.568627] ================================================================================ [ 3555.591269] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:935:8 [ 3555.611804] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3555.636946] which requires 64 byte alignment [ 3555.647439] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3555.667461] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3555.692423] 00000000ffffffff 000000001f43b5f3 ffff88009e9beff8 ffffffffb26ec5cc [ 3555.712198] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3555.732299] ffffffff00000010 ffff88009e9bf020 ffff88009e9befd0 ffffffffb363c3e0 [ 3555.754086] Call Trace: [ 3555.760171] [] dump_stack+0xd7/0x132 [ 3555.775240] [] ? arch_local_irq_restore+0x1b/0x1b [ 3555.795641] [] ubsan_epilogue+0x12/0x53 [ 3555.809370] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3555.829584] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3555.847537] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3555.866611] [] ext4_mb_init_cache+0x797/0xbb3 [ 3555.884052] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3555.901171] [] ext4_mb_init_group+0x590/0x5c9 [ 3555.917702] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3555.934058] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3555.950180] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3555.966282] [] ext4_free_blocks+0x7a2/0x17cf [ 3555.981505] [] ? vprintk_default+0x65/0x6e [ 3555.999175] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3556.015363] [] ? arch_local_irq_restore+0x6/0xd [ 3556.031579] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3556.050827] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3556.069594] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3556.090479] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3556.107773] [] ? arch_local_irq_restore+0x6/0xd [ 3556.123268] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3556.143124] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3556.161212] [] ? _cond_resched+0x19/0x23 [ 3556.176126] [] ? down_write+0xb3/0xea [ 3556.192483] [] ext4_ext_truncate+0x1ed/0x244 [ 3556.208170] [] ext4_truncate+0x5ba/0x8ce [ 3556.224042] [] ? ext4_punch_hole+0x83e/0x83e [ 3556.238522] [] ext4_setattr+0xdbb/0x11bd [ 3556.253355] [] ? ext4_journalled_write_end+0x894/0x894 [ 3556.271495] [] notify_change+0xa68/0xc5b [ 3556.286028] [] do_truncate+0x165/0x1e5 [ 3556.300152] [] ? do_truncate+0x165/0x1e5 [ 3556.314246] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3556.330934] [] path_openat+0x222a/0x2525 [ 3556.343234] [] ? qlink_to_cache+0x10/0x87 [ 3556.359093] [] ? may_open+0x1c0/0x1c0 [ 3556.372484] [] ? deactivate_slab+0x53d/0x566 [ 3556.387197] [] ? getname_flags+0x4f/0x2e0 [ 3556.400167] [] ? init_object+0x1d6/0x1e2 [ 3556.416223] [] ? expand_files+0x68a/0x6d7 [ 3556.430677] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3556.450797] [] do_filp_open+0xe2/0x18c [ 3556.466518] [] ? path_openat+0x2525/0x2525 [ 3556.481698] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3556.499856] [] ? __alloc_fd+0x43d/0x47f [ 3556.513600] [] ? exit_files+0xaa/0xaa [ 3556.527361] [] do_sys_open+0xf5/0x342 [ 3556.540830] [] ? do_sys_open+0xf5/0x342 [ 3556.555010] [] ? __do_page_fault+0x6d3/0x96b [ 3556.571746] [] ? filp_open+0x68/0x68 [ 3556.584772] [] SyS_open+0x32/0x39 [ 3556.601178] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3556.621274] ================================================================================ [ 3556.644102] ================================================================================ [ 3556.666684] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3556.683326] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3556.707500] which requires 64 byte alignment [ 3556.720445] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3556.738036] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3556.764697] 00000000ffffffff 000000001f43b5f3 ffff88009e9bef48 ffffffffb26ec5cc [ 3556.786961] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3556.806940] ffffffff00000010 ffff88009e9bef70 ffff88009e9bef20 ffffffffb363c3e0 [ 3556.826881] Call Trace: [ 3556.833478] [] dump_stack+0xd7/0x132 [ 3556.848388] [] ? arch_local_irq_restore+0x1b/0x1b [ 3556.867444] [] ubsan_epilogue+0x12/0x53 [ 3556.881504] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3556.903016] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3556.942364] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3556.965276] [] ext4_mb_generate_buddy+0x51/0x807 [ 3556.981040] [] ext4_mb_init_cache+0x7fe/0xbb3 [ 3557.000528] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3557.017884] [] ext4_mb_init_group+0x590/0x5c9 [ 3557.031651] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3557.051117] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3557.069399] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3557.085844] [] ext4_free_blocks+0x7a2/0x17cf [ 3557.102402] [] ? vprintk_default+0x65/0x6e [ 3557.117560] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3557.133543] [] ? arch_local_irq_restore+0x6/0xd [ 3557.150040] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3557.169113] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3557.187348] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3557.202663] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3557.221503] [] ? arch_local_irq_restore+0x6/0xd [ 3557.236151] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3557.252814] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3557.271859] [] ? _cond_resched+0x19/0x23 [ 3557.290055] [] ? down_write+0xb3/0xea [ 3557.305046] [] ext4_ext_truncate+0x1ed/0x244 [ 3557.320788] [] ext4_truncate+0x5ba/0x8ce [ 3557.339364] [] ? ext4_punch_hole+0x83e/0x83e [ 3557.354379] [] ext4_setattr+0xdbb/0x11bd [ 3557.371898] [] ? ext4_journalled_write_end+0x894/0x894 [ 3557.391139] [] notify_change+0xa68/0xc5b [ 3557.405664] [] do_truncate+0x165/0x1e5 [ 3557.419761] [] ? do_truncate+0x165/0x1e5 [ 3557.433486] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3557.451686] [] path_openat+0x222a/0x2525 [ 3557.468061] [] ? qlink_to_cache+0x10/0x87 [ 3557.483225] [] ? may_open+0x1c0/0x1c0 [ 3557.497769] [] ? deactivate_slab+0x53d/0x566 [ 3557.515492] [] ? getname_flags+0x4f/0x2e0 [ 3557.529865] [] ? init_object+0x1d6/0x1e2 [ 3557.546200] [] ? expand_files+0x68a/0x6d7 [ 3557.560504] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3557.581101] [] do_filp_open+0xe2/0x18c [ 3557.594071] [] ? path_openat+0x2525/0x2525 [ 3557.610301] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3557.628198] [] ? __alloc_fd+0x43d/0x47f [ 3557.643190] [] ? exit_files+0xaa/0xaa [ 3557.658201] [] do_sys_open+0xf5/0x342 [ 3557.671315] [] ? do_sys_open+0xf5/0x342 [ 3557.687243] [] ? __do_page_fault+0x6d3/0x96b [ 3557.702142] [] ? filp_open+0x68/0x68 [ 3557.715667] [] SyS_open+0x32/0x39 [ 3557.728475] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3557.745850] ================================================================================ [ 3557.767468] ================================================================================ [ 3557.791898] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3557.806555] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3557.828249] which requires 64 byte alignment [ 3557.841436] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3557.860857] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3557.887892] 00000000ffffffff 000000001f43b5f3 ffff88009e9bef48 ffffffffb26ec5cc [ 3557.907404] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3557.930040] ffffffff00000010 ffff88009e9bef70 ffff88009e9bef20 ffffffffb363c3e0 [ 3557.967292] Call Trace: [ 3557.973471] [] dump_stack+0xd7/0x132 [ 3557.989389] [] ? arch_local_irq_restore+0x1b/0x1b [ 3558.005141] [] ubsan_epilogue+0x12/0x53 [ 3558.022752] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3558.044087] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3558.066471] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3558.083069] [] ext4_mb_generate_buddy+0x8b/0x807 [ 3558.101068] [] ext4_mb_init_cache+0x7fe/0xbb3 [ 3558.122405] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3558.141937] [] ext4_mb_init_group+0x590/0x5c9 [ 3558.160673] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3558.175284] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3558.192339] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3558.211021] [] ext4_free_blocks+0x7a2/0x17cf [ 3558.227574] [] ? vprintk_default+0x65/0x6e [ 3558.242992] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3558.260930] [] ? arch_local_irq_restore+0x6/0xd [ 3558.276925] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3558.295238] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3558.314145] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3558.331983] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3558.351786] [] ? arch_local_irq_restore+0x6/0xd [ 3558.368418] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3558.383267] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3558.399261] [] ? _cond_resched+0x19/0x23 [ 3558.413255] [] ? down_write+0xb3/0xea [ 3558.427698] [] ext4_ext_truncate+0x1ed/0x244 [ 3558.443025] [] ext4_truncate+0x5ba/0x8ce [ 3558.455608] [] ? ext4_punch_hole+0x83e/0x83e [ 3558.472166] [] ext4_setattr+0xdbb/0x11bd [ 3558.488184] [] ? ext4_journalled_write_end+0x894/0x894 [ 3558.506163] [] notify_change+0xa68/0xc5b [ 3558.522559] [] do_truncate+0x165/0x1e5 [ 3558.535288] [] ? do_truncate+0x165/0x1e5 [ 3558.549541] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3558.566831] [] path_openat+0x222a/0x2525 [ 3558.581730] [] ? qlink_to_cache+0x10/0x87 [ 3558.595150] [] ? may_open+0x1c0/0x1c0 [ 3558.608730] [] ? deactivate_slab+0x53d/0x566 [ 3558.623389] [] ? getname_flags+0x4f/0x2e0 [ 3558.639029] [] ? init_object+0x1d6/0x1e2 [ 3558.651539] [] ? expand_files+0x68a/0x6d7 [ 3558.667555] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3558.687423] [] do_filp_open+0xe2/0x18c [ 3558.699328] [] ? path_openat+0x2525/0x2525 [ 3558.714663] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3558.731342] [] ? __alloc_fd+0x43d/0x47f [ 3558.746796] [] ? exit_files+0xaa/0xaa [ 3558.762381] [] do_sys_open+0xf5/0x342 [ 3558.774451] [] ? do_sys_open+0xf5/0x342 [ 3558.788647] [] ? __do_page_fault+0x6d3/0x96b [ 3558.804988] [] ? filp_open+0x68/0x68 [ 3558.819153] [] SyS_open+0x32/0x39 [ 3558.830861] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3558.851159] ================================================================================ [ 3558.878431] ================================================================================ [ 3558.903225] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:727:22 [ 3558.918436] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3558.943942] which requires 64 byte alignment [ 3558.954763] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3558.976454] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3559.001828] 00000000ffffffff 000000001f43b5f3 ffff88009e9bef48 ffffffffb26ec5cc [ 3559.023639] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3559.043945] ffffffff00000010 ffff88009e9bef70 ffff88009e9bef20 ffffffffb363c3e0 [ 3559.070958] Call Trace: [ 3559.077484] [] dump_stack+0xd7/0x132 [ 3559.091772] [] ? arch_local_irq_restore+0x1b/0x1b [ 3559.108255] [] ubsan_epilogue+0x12/0x53 [ 3559.120958] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3559.139008] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3559.162514] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3559.180719] [] ext4_mb_generate_buddy+0xa8/0x807 [ 3559.197527] [] ext4_mb_init_cache+0x7fe/0xbb3 [ 3559.215406] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3559.238516] [] ext4_mb_init_group+0x590/0x5c9 [ 3559.253409] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3559.271746] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3559.288883] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3559.308432] [] ext4_free_blocks+0x7a2/0x17cf [ 3559.324475] [] ? vprintk_default+0x65/0x6e [ 3559.341299] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3559.356530] [] ? arch_local_irq_restore+0x6/0xd [ 3559.372243] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3559.390939] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3559.409031] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3559.429170] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3559.447250] [] ? arch_local_irq_restore+0x6/0xd [ 3559.464140] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3559.482539] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3559.500822] [] ? _cond_resched+0x19/0x23 [ 3559.515552] [] ? down_write+0xb3/0xea [ 3559.528945] [] ext4_ext_truncate+0x1ed/0x244 [ 3559.544438] [] ext4_truncate+0x5ba/0x8ce [ 3559.561052] [] ? ext4_punch_hole+0x83e/0x83e [ 3559.578072] [] ext4_setattr+0xdbb/0x11bd [ 3559.592770] [] ? ext4_journalled_write_end+0x894/0x894 [ 3559.610050] [] notify_change+0xa68/0xc5b [ 3559.624114] [] do_truncate+0x165/0x1e5 [ 3559.637966] [] ? do_truncate+0x165/0x1e5 [ 3559.651083] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3559.670412] [] path_openat+0x222a/0x2525 [ 3559.683555] [] ? qlink_to_cache+0x10/0x87 [ 3559.697645] [] ? may_open+0x1c0/0x1c0 [ 3559.713334] [] ? deactivate_slab+0x53d/0x566 [ 3559.727771] [] ? getname_flags+0x4f/0x2e0 [ 3559.742864] [] ? init_object+0x1d6/0x1e2 [ 3559.755910] [] ? expand_files+0x68a/0x6d7 [ 3559.769601] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3559.787062] [] do_filp_open+0xe2/0x18c [ 3559.800085] [] ? path_openat+0x2525/0x2525 [ 3559.815003] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3559.831637] [] ? __alloc_fd+0x43d/0x47f [ 3559.846545] [] ? exit_files+0xaa/0xaa [ 3559.861084] [] do_sys_open+0xf5/0x342 [ 3559.873681] [] ? do_sys_open+0xf5/0x342 [ 3559.889639] [] ? __do_page_fault+0x6d3/0x96b [ 3559.906680] [] ? filp_open+0x68/0x68 [ 3559.920557] [] SyS_open+0x32/0x39 [ 3559.934167] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3559.951781] ================================================================================ [ 3559.973147] ================================================================================ [ 3559.995676] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:712:11 [ 3560.010823] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3560.032596] which requires 64 byte alignment [ 3560.045819] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3560.067981] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3560.092834] 00000000ffffffff 000000001f43b5f3 ffff88009e9bef18 ffffffffb26ec5cc [ 3560.113147] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3560.133880] 0000000000000010 ffff88009e9bef40 ffff88009e9beef0 ffffffffb363c3e0 [ 3560.155016] Call Trace: [ 3560.162969] [] dump_stack+0xd7/0x132 [ 3560.179559] [] ? arch_local_irq_restore+0x1b/0x1b [ 3560.197084] [] ubsan_epilogue+0x12/0x53 [ 3560.210271] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3560.229245] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3560.246158] [] ? mb_find_extent+0x71a/0x71a [ 3560.264375] [] mb_set_largest_free_order+0x5e/0xf5 [ 3560.282005] [] ext4_mb_generate_buddy+0x684/0x807 [ 3560.298583] [] ext4_mb_init_cache+0x7fe/0xbb3 [ 3560.314715] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3560.334220] [] ext4_mb_init_group+0x590/0x5c9 [ 3560.351000] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3560.367802] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3560.384332] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3560.400891] [] ext4_free_blocks+0x7a2/0x17cf [ 3560.417182] [] ? vprintk_default+0x65/0x6e [ 3560.431695] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3560.448024] [] ? arch_local_irq_restore+0x6/0xd [ 3560.465856] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3560.484174] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3560.502459] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3560.518555] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3560.537173] [] ? arch_local_irq_restore+0x6/0xd [ 3560.552188] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3560.568264] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3560.585523] [] ? _cond_resched+0x19/0x23 [ 3560.599679] [] ? down_write+0xb3/0xea [ 3560.612803] [] ext4_ext_truncate+0x1ed/0x244 [ 3560.631082] [] ext4_truncate+0x5ba/0x8ce [ 3560.646577] [] ? ext4_punch_hole+0x83e/0x83e [ 3560.661450] [] ext4_setattr+0xdbb/0x11bd [ 3560.676393] [] ? ext4_journalled_write_end+0x894/0x894 [ 3560.693401] [] notify_change+0xa68/0xc5b [ 3560.709289] [] do_truncate+0x165/0x1e5 [ 3560.723957] [] ? do_truncate+0x165/0x1e5 [ 3560.740392] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3560.759027] [] path_openat+0x222a/0x2525 [ 3560.772536] [] ? qlink_to_cache+0x10/0x87 [ 3560.788112] [] ? may_open+0x1c0/0x1c0 [ 3560.800391] [] ? deactivate_slab+0x53d/0x566 [ 3560.815748] [] ? getname_flags+0x4f/0x2e0 [ 3560.834231] [] ? init_object+0x1d6/0x1e2 [ 3560.848773] [] ? expand_files+0x68a/0x6d7 [ 3560.866464] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3560.888726] [] do_filp_open+0xe2/0x18c [ 3560.903719] [] ? path_openat+0x2525/0x2525 [ 3560.919943] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3560.936741] [] ? __alloc_fd+0x43d/0x47f [ 3560.950976] [] ? exit_files+0xaa/0xaa [ 3560.964887] [] do_sys_open+0xf5/0x342 [ 3560.979754] [] ? do_sys_open+0xf5/0x342 [ 3560.995766] [] ? __do_page_fault+0x6d3/0x96b [ 3561.012276] [] ? filp_open+0x68/0x68 [ 3561.027037] [] SyS_open+0x32/0x39 [ 3561.040627] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3561.058961] ================================================================================ [ 3561.083034] ================================================================================ [ 3561.104790] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3561.121694] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3561.146010] which requires 64 byte alignment [ 3561.157591] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3561.179098] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3561.204669] 00000000ffffffff 000000001f43b5f3 ffff88009e9bef48 ffffffffb26ec5cc [ 3561.232364] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3561.253413] 0000000000000010 ffff88009e9bef70 ffff88009e9bef20 ffffffffb363c3e0 [ 3561.274422] Call Trace: [ 3561.284351] [] dump_stack+0xd7/0x132 [ 3561.299166] [] ? arch_local_irq_restore+0x1b/0x1b [ 3561.316908] [] ubsan_epilogue+0x12/0x53 [ 3561.330593] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3561.349584] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3561.368368] [] ext4_mb_generate_buddy+0x6ae/0x807 [ 3561.387266] [] ext4_mb_init_cache+0x7fe/0xbb3 [ 3561.402417] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3561.421043] [] ext4_mb_init_group+0x590/0x5c9 [ 3561.440393] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3561.456592] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3561.473334] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3561.491030] [] ext4_free_blocks+0x7a2/0x17cf [ 3561.505222] [] ? vprintk_default+0x65/0x6e [ 3561.519877] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3561.537539] [] ? arch_local_irq_restore+0x6/0xd [ 3561.553690] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3561.573973] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3561.590585] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3561.607599] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3561.624556] [] ? arch_local_irq_restore+0x6/0xd [ 3561.641246] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3561.656837] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3561.674464] [] ? _cond_resched+0x19/0x23 [ 3561.690534] [] ? down_write+0xb3/0xea [ 3561.704469] [] ext4_ext_truncate+0x1ed/0x244 [ 3561.719904] [] ext4_truncate+0x5ba/0x8ce [ 3561.733913] [] ? ext4_punch_hole+0x83e/0x83e [ 3561.750484] [] ext4_setattr+0xdbb/0x11bd [ 3561.764594] [] ? ext4_journalled_write_end+0x894/0x894 [ 3561.782421] [] notify_change+0xa68/0xc5b [ 3561.796985] [] do_truncate+0x165/0x1e5 [ 3561.811536] [] ? do_truncate+0x165/0x1e5 [ 3561.826510] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3561.845885] [] path_openat+0x222a/0x2525 [ 3561.861248] [] ? qlink_to_cache+0x10/0x87 [ 3561.873659] [] ? may_open+0x1c0/0x1c0 [ 3561.887313] [] ? deactivate_slab+0x53d/0x566 [ 3561.901407] [] ? getname_flags+0x4f/0x2e0 [ 3561.916149] [] ? init_object+0x1d6/0x1e2 [ 3561.931439] [] ? expand_files+0x68a/0x6d7 [ 3561.951474] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3561.972547] [] do_filp_open+0xe2/0x18c [ 3561.986490] [] ? path_openat+0x2525/0x2525 [ 3561.999940] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3562.015916] [] ? __alloc_fd+0x43d/0x47f [ 3562.028566] [] ? exit_files+0xaa/0xaa [ 3562.046216] [] do_sys_open+0xf5/0x342 [ 3562.059481] [] ? do_sys_open+0xf5/0x342 [ 3562.075535] [] ? __do_page_fault+0x6d3/0x96b [ 3562.091716] [] ? filp_open+0x68/0x68 [ 3562.105617] [] SyS_open+0x32/0x39 [ 3562.119411] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3562.133303] ================================================================================ [ 3562.157298] ================================================================================ [ 3562.180091] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3562.194151] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3562.219870] which requires 64 byte alignment [ 3562.232738] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3562.249874] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3562.275081] 00000000ffffffff 000000001f43b5f3 ffff88009e9bef48 ffffffffb26ec5cc [ 3562.299412] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3562.321177] ffffffff00000010 ffff88009e9bef70 ffff88009e9bef20 ffffffffb363c3e0 [ 3562.343151] Call Trace: [ 3562.349558] [] dump_stack+0xd7/0x132 [ 3562.364302] [] ? arch_local_irq_restore+0x1b/0x1b [ 3562.383636] [] ubsan_epilogue+0x12/0x53 [ 3562.396499] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3562.413556] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3562.434817] [] ext4_mb_generate_buddy+0x6e5/0x807 [ 3562.450395] [] ext4_mb_init_cache+0x7fe/0xbb3 [ 3562.470469] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3562.490337] [] ext4_mb_init_group+0x590/0x5c9 [ 3562.506980] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3562.524414] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3562.539138] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3562.555830] [] ext4_free_blocks+0x7a2/0x17cf [ 3562.572218] [] ? vprintk_default+0x65/0x6e [ 3562.588560] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3562.608106] [] ? arch_local_irq_restore+0x6/0xd [ 3562.627100] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3562.643879] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3562.661081] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3562.679469] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3562.699575] [] ? arch_local_irq_restore+0x6/0xd [ 3562.715285] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3562.735405] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3562.752633] [] ? _cond_resched+0x19/0x23 [ 3562.768468] [] ? down_write+0xb3/0xea [ 3562.783342] [] ext4_ext_truncate+0x1ed/0x244 [ 3562.797066] [] ext4_truncate+0x5ba/0x8ce [ 3562.811789] [] ? ext4_punch_hole+0x83e/0x83e [ 3562.824662] [] ext4_setattr+0xdbb/0x11bd [ 3562.842680] [] ? ext4_journalled_write_end+0x894/0x894 [ 3562.861733] [] notify_change+0xa68/0xc5b [ 3562.874750] [] do_truncate+0x165/0x1e5 [ 3562.889653] [] ? do_truncate+0x165/0x1e5 [ 3562.905783] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3562.924249] [] path_openat+0x222a/0x2525 [ 3562.940957] [] ? qlink_to_cache+0x10/0x87 [ 3562.953828] [] ? may_open+0x1c0/0x1c0 [ 3562.968690] [] ? deactivate_slab+0x53d/0x566 [ 3562.982240] [] ? getname_flags+0x4f/0x2e0 [ 3562.997170] [] ? init_object+0x1d6/0x1e2 [ 3563.013409] [] ? expand_files+0x68a/0x6d7 [ 3563.028012] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3563.047081] [] do_filp_open+0xe2/0x18c [ 3563.062205] [] ? path_openat+0x2525/0x2525 [ 3563.077068] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3563.093933] [] ? __alloc_fd+0x43d/0x47f [ 3563.107866] [] ? exit_files+0xaa/0xaa [ 3563.122308] [] do_sys_open+0xf5/0x342 [ 3563.134891] [] ? do_sys_open+0xf5/0x342 [ 3563.151543] [] ? __do_page_fault+0x6d3/0x96b [ 3563.166741] [] ? filp_open+0x68/0x68 [ 3563.181252] [] SyS_open+0x32/0x39 [ 3563.193126] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3563.210214] ================================================================================ [ 3563.233996] ================================================================================ [ 3563.256995] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:775:13 [ 3563.274421] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3563.299796] which requires 64 byte alignment [ 3563.311386] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3563.334345] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3563.361241] 00000000ffffffff 000000001f43b5f3 ffff88009e9bef48 ffffffffb26ec5cc [ 3563.381714] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3563.401237] ffffffff00000010 ffff88009e9bef70 ffff88009e9bef20 ffffffffb363c3e0 [ 3563.422690] Call Trace: [ 3563.429172] [] dump_stack+0xd7/0x132 [ 3563.445840] [] ? arch_local_irq_restore+0x1b/0x1b [ 3563.464847] [] ubsan_epilogue+0x12/0x53 [ 3563.481138] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3563.502047] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3563.520102] [] ext4_mb_generate_buddy+0x710/0x807 [ 3563.537435] [] ext4_mb_init_cache+0x7fe/0xbb3 [ 3563.554444] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3563.573759] [] ext4_mb_init_group+0x590/0x5c9 [ 3563.590285] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3563.607339] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3563.623793] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3563.641990] [] ext4_free_blocks+0x7a2/0x17cf [ 3563.657132] [] ? vprintk_default+0x65/0x6e [ 3563.670783] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3563.688704] [] ? arch_local_irq_restore+0x6/0xd [ 3563.705740] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3563.723137] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3563.739938] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3563.755227] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3563.774213] [] ? arch_local_irq_restore+0x6/0xd [ 3563.790838] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3563.807714] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3563.823443] [] ? _cond_resched+0x19/0x23 [ 3563.838194] [] ? down_write+0xb3/0xea [ 3563.851706] [] ext4_ext_truncate+0x1ed/0x244 [ 3563.869438] [] ext4_truncate+0x5ba/0x8ce [ 3563.884063] [] ? ext4_punch_hole+0x83e/0x83e [ 3563.899766] [] ext4_setattr+0xdbb/0x11bd [ 3563.912751] [] ? ext4_journalled_write_end+0x894/0x894 [ 3563.930470] [] notify_change+0xa68/0xc5b [ 3563.944900] [] do_truncate+0x165/0x1e5 [ 3563.959522] [] ? do_truncate+0x165/0x1e5 [ 3563.973193] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3563.990911] [] path_openat+0x222a/0x2525 [ 3564.006223] [] ? qlink_to_cache+0x10/0x87 [ 3564.021150] [] ? may_open+0x1c0/0x1c0 [ 3564.035694] [] ? deactivate_slab+0x53d/0x566 [ 3564.050462] [] ? getname_flags+0x4f/0x2e0 [ 3564.065696] [] ? init_object+0x1d6/0x1e2 [ 3564.079738] [] ? expand_files+0x68a/0x6d7 [ 3564.093612] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3564.115652] [] do_filp_open+0xe2/0x18c [ 3564.129369] [] ? path_openat+0x2525/0x2525 [ 3564.147540] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3564.163071] [] ? __alloc_fd+0x43d/0x47f [ 3564.176940] [] ? exit_files+0xaa/0xaa [ 3564.192098] [] do_sys_open+0xf5/0x342 [ 3564.205602] [] ? do_sys_open+0xf5/0x342 [ 3564.219683] [] ? __do_page_fault+0x6d3/0x96b [ 3564.233441] [] ? filp_open+0x68/0x68 [ 3564.247086] [] SyS_open+0x32/0x39 [ 3564.260123] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3564.280743] ================================================================================ [ 3564.304113] ================================================================================ [ 3564.329102] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:775:37 [ 3564.344153] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3564.371575] which requires 64 byte alignment [ 3564.383772] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3564.402421] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3564.428483] 00000000ffffffff 000000001f43b5f3 ffff88009e9bef48 ffffffffb26ec5cc [ 3564.448796] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3564.468592] ffffffff00000010 ffff88009e9bef70 ffff88009e9bef20 ffffffffb363c3e0 [ 3564.491318] Call Trace: [ 3564.497615] [] dump_stack+0xd7/0x132 [ 3564.512296] [] ? arch_local_irq_restore+0x1b/0x1b [ 3564.529024] [] ubsan_epilogue+0x12/0x53 [ 3564.546675] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3564.565607] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3564.583231] [] ext4_mb_generate_buddy+0x741/0x807 [ 3564.601982] [] ext4_mb_init_cache+0x7fe/0xbb3 [ 3564.619281] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3564.639406] [] ext4_mb_init_group+0x590/0x5c9 [ 3564.657472] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3564.672035] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3564.690490] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3564.708474] [] ext4_free_blocks+0x7a2/0x17cf [ 3564.723244] [] ? vprintk_default+0x65/0x6e [ 3564.739158] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3564.758328] [] ? arch_local_irq_restore+0x6/0xd [ 3564.773222] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3564.793201] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3564.814974] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3564.833100] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3564.853061] [] ? arch_local_irq_restore+0x6/0xd [ 3564.870879] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3564.887909] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3564.903386] [] ? _cond_resched+0x19/0x23 [ 3564.920015] [] ? down_write+0xb3/0xea [ 3564.933659] [] ext4_ext_truncate+0x1ed/0x244 [ 3564.946953] [] ext4_truncate+0x5ba/0x8ce [ 3564.963702] [] ? ext4_punch_hole+0x83e/0x83e [ 3564.978674] [] ext4_setattr+0xdbb/0x11bd [ 3564.993301] [] ? ext4_journalled_write_end+0x894/0x894 [ 3565.011766] [] notify_change+0xa68/0xc5b [ 3565.027559] [] do_truncate+0x165/0x1e5 [ 3565.041652] [] ? do_truncate+0x165/0x1e5 [ 3565.055253] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3565.074167] [] path_openat+0x222a/0x2525 [ 3565.091529] [] ? qlink_to_cache+0x10/0x87 [ 3565.106117] [] ? may_open+0x1c0/0x1c0 [ 3565.119773] [] ? deactivate_slab+0x53d/0x566 [ 3565.135273] [] ? getname_flags+0x4f/0x2e0 [ 3565.149725] [] ? init_object+0x1d6/0x1e2 [ 3565.166024] [] ? expand_files+0x68a/0x6d7 [ 3565.181316] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3565.199271] [] do_filp_open+0xe2/0x18c [ 3565.214995] [] ? path_openat+0x2525/0x2525 [ 3565.231917] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3565.246590] [] ? __alloc_fd+0x43d/0x47f [ 3565.261990] [] ? exit_files+0xaa/0xaa [ 3565.279774] [] do_sys_open+0xf5/0x342 [ 3565.295252] [] ? do_sys_open+0xf5/0x342 [ 3565.313061] [] ? __do_page_fault+0x6d3/0x96b [ 3565.329414] [] ? filp_open+0x68/0x68 [ 3565.344888] [] SyS_open+0x32/0x39 [ 3565.359562] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3565.376197] ================================================================================ [ 3565.400196] ================================================================================ [ 3565.423248] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3565.440581] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3565.465519] which requires 64 byte alignment [ 3565.479398] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3565.499961] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3565.521570] 00000000ffffffff 000000001f43b5f3 ffff88009e9bef48 ffffffffb26ec5cc [ 3565.543371] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3565.567746] ffffffff00000010 ffff88009e9bef70 ffff88009e9bef20 ffffffffb363c3e0 [ 3565.593310] Call Trace: [ 3565.599277] [] dump_stack+0xd7/0x132 [ 3565.612675] [] ? arch_local_irq_restore+0x1b/0x1b [ 3565.628177] [] ubsan_epilogue+0x12/0x53 [ 3565.641656] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3565.661627] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3565.680802] [] ext4_mb_generate_buddy+0x762/0x807 [ 3565.696303] [] ext4_mb_init_cache+0x7fe/0xbb3 [ 3565.712254] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3565.730896] [] ext4_mb_init_group+0x590/0x5c9 [ 3565.747050] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3565.764251] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3565.781954] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3565.800588] [] ext4_free_blocks+0x7a2/0x17cf [ 3565.819389] [] ? vprintk_default+0x65/0x6e [ 3565.835243] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3565.851181] [] ? arch_local_irq_restore+0x6/0xd [ 3565.869873] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3565.889094] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3565.906511] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3565.922157] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3565.941226] [] ? arch_local_irq_restore+0x6/0xd [ 3565.965246] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3565.982016] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3565.998965] [] ? _cond_resched+0x19/0x23 [ 3566.013241] [] ? down_write+0xb3/0xea [ 3566.028086] [] ext4_ext_truncate+0x1ed/0x244 [ 3566.043308] [] ext4_truncate+0x5ba/0x8ce [ 3566.061013] [] ? ext4_punch_hole+0x83e/0x83e [ 3566.077918] [] ext4_setattr+0xdbb/0x11bd [ 3566.092610] [] ? ext4_journalled_write_end+0x894/0x894 [ 3566.110256] [] notify_change+0xa68/0xc5b [ 3566.126677] [] do_truncate+0x165/0x1e5 [ 3566.139526] [] ? do_truncate+0x165/0x1e5 [ 3566.154594] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3566.173165] [] path_openat+0x222a/0x2525 [ 3566.188271] [] ? qlink_to_cache+0x10/0x87 [ 3566.200475] [] ? may_open+0x1c0/0x1c0 [ 3566.216906] [] ? deactivate_slab+0x53d/0x566 [ 3566.233199] [] ? getname_flags+0x4f/0x2e0 [ 3566.248901] [] ? init_object+0x1d6/0x1e2 [ 3566.266941] [] ? expand_files+0x68a/0x6d7 [ 3566.286844] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3566.306457] [] do_filp_open+0xe2/0x18c [ 3566.320190] [] ? path_openat+0x2525/0x2525 [ 3566.339179] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3566.357535] [] ? __alloc_fd+0x43d/0x47f [ 3566.370287] [] ? exit_files+0xaa/0xaa [ 3566.385091] [] do_sys_open+0xf5/0x342 [ 3566.397958] [] ? do_sys_open+0xf5/0x342 [ 3566.412459] [] ? __do_page_fault+0x6d3/0x96b [ 3566.428375] [] ? filp_open+0x68/0x68 [ 3566.443813] [] SyS_open+0x32/0x39 [ 3566.455558] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3566.472099] ================================================================================ [ 3566.494515] ================================================================================ [ 3566.514564] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:776:36 [ 3566.529009] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3566.554675] which requires 64 byte alignment [ 3566.568402] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3566.588296] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3566.612896] 00000000ffffffff 000000001f43b5f3 ffff88009e9bef48 ffffffffb26ec5cc [ 3566.632196] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3566.652601] ffffffff00000010 ffff88009e9bef70 ffff88009e9bef20 ffffffffb363c3e0 [ 3566.670796] Call Trace: [ 3566.680250] [] dump_stack+0xd7/0x132 [ 3566.694336] [] ? arch_local_irq_restore+0x1b/0x1b [ 3566.712575] [] ubsan_epilogue+0x12/0x53 [ 3566.729606] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3566.748264] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3566.766950] [] ext4_mb_generate_buddy+0x784/0x807 [ 3566.784638] [] ext4_mb_init_cache+0x7fe/0xbb3 [ 3566.798463] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3566.814976] [] ext4_mb_init_group+0x590/0x5c9 [ 3566.829973] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3566.848294] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3566.866229] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3566.881238] [] ext4_free_blocks+0x7a2/0x17cf [ 3566.896716] [] ? vprintk_default+0x65/0x6e [ 3566.912123] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3566.930934] [] ? arch_local_irq_restore+0x6/0xd [ 3566.948211] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3566.963708] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3566.982282] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3566.999131] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3567.017930] [] ? arch_local_irq_restore+0x6/0xd [ 3567.033871] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3567.050291] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3567.065705] [] ? _cond_resched+0x19/0x23 [ 3567.080779] [] ? down_write+0xb3/0xea [ 3567.094420] [] ext4_ext_truncate+0x1ed/0x244 [ 3567.112328] [] ext4_truncate+0x5ba/0x8ce [ 3567.128089] [] ? ext4_punch_hole+0x83e/0x83e [ 3567.142060] [] ext4_setattr+0xdbb/0x11bd [ 3567.158854] [] ? ext4_journalled_write_end+0x894/0x894 [ 3567.175880] [] notify_change+0xa68/0xc5b [ 3567.190229] [] do_truncate+0x165/0x1e5 [ 3567.205894] [] ? do_truncate+0x165/0x1e5 [ 3567.219697] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3567.240242] [] path_openat+0x222a/0x2525 [ 3567.253206] [] ? qlink_to_cache+0x10/0x87 [ 3567.267800] [] ? may_open+0x1c0/0x1c0 [ 3567.289181] [] ? deactivate_slab+0x53d/0x566 [ 3567.307127] [] ? getname_flags+0x4f/0x2e0 [ 3567.321207] [] ? init_object+0x1d6/0x1e2 [ 3567.335314] [] ? expand_files+0x68a/0x6d7 [ 3567.349108] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3567.369440] [] do_filp_open+0xe2/0x18c [ 3567.386463] [] ? path_openat+0x2525/0x2525 [ 3567.401421] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3567.420006] [] ? __alloc_fd+0x43d/0x47f [ 3567.432678] [] ? exit_files+0xaa/0xaa [ 3567.451764] [] do_sys_open+0xf5/0x342 [ 3567.466629] [] ? do_sys_open+0xf5/0x342 [ 3567.483803] [] ? __do_page_fault+0x6d3/0x96b [ 3567.502407] [] ? filp_open+0x68/0x68 [ 3567.515412] [] SyS_open+0x32/0x39 [ 3567.529347] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3567.544069] ================================================================================ [ 3567.566111] ================================================================================ [ 3567.586799] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:776:36 [ 3567.604171] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3567.629236] which requires 64 byte alignment [ 3567.641738] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3567.661704] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3567.685957] 00000000ffffffff 000000001f43b5f3 ffff88009e9bef48 ffffffffb26ec5cc [ 3567.707599] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3567.725819] ffffffff00000010 ffff88009e9bef70 ffff88009e9bef20 ffffffffb363c3e0 [ 3567.746364] Call Trace: [ 3567.752070] [] dump_stack+0xd7/0x132 [ 3567.767473] [] ? arch_local_irq_restore+0x1b/0x1b [ 3567.785471] [] ubsan_epilogue+0x12/0x53 [ 3567.797590] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3567.813398] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3567.833901] [] ext4_mb_generate_buddy+0x7c3/0x807 [ 3567.850608] [] ext4_mb_init_cache+0x7fe/0xbb3 [ 3567.866799] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3567.887112] [] ext4_mb_init_group+0x590/0x5c9 [ 3567.902735] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3567.921469] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3567.938776] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3567.955327] [] ext4_free_blocks+0x7a2/0x17cf [ 3567.972588] [] ? vprintk_default+0x65/0x6e [ 3567.988092] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3568.003481] [] ? arch_local_irq_restore+0x6/0xd [ 3568.022453] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3568.040819] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3568.057348] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3568.071597] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3568.088946] [] ? arch_local_irq_restore+0x6/0xd [ 3568.105987] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3568.122952] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3568.141909] [] ? _cond_resched+0x19/0x23 [ 3568.159205] [] ? down_write+0xb3/0xea [ 3568.171495] [] ext4_ext_truncate+0x1ed/0x244 [ 3568.187896] [] ext4_truncate+0x5ba/0x8ce [ 3568.202243] [] ? ext4_punch_hole+0x83e/0x83e [ 3568.221818] [] ext4_setattr+0xdbb/0x11bd [ 3568.239901] [] ? ext4_journalled_write_end+0x894/0x894 [ 3568.259954] [] notify_change+0xa68/0xc5b [ 3568.273503] [] do_truncate+0x165/0x1e5 [ 3568.289986] [] ? do_truncate+0x165/0x1e5 [ 3568.310806] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3568.330244] [] path_openat+0x222a/0x2525 [ 3568.346022] [] ? qlink_to_cache+0x10/0x87 [ 3568.361800] [] ? may_open+0x1c0/0x1c0 [ 3568.375235] [] ? deactivate_slab+0x53d/0x566 [ 3568.392130] [] ? getname_flags+0x4f/0x2e0 [ 3568.406639] [] ? init_object+0x1d6/0x1e2 [ 3568.422155] [] ? expand_files+0x68a/0x6d7 [ 3568.436482] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3568.455065] [] do_filp_open+0xe2/0x18c [ 3568.469230] [] ? path_openat+0x2525/0x2525 [ 3568.489820] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3568.508188] [] ? __alloc_fd+0x43d/0x47f [ 3568.522126] [] ? exit_files+0xaa/0xaa [ 3568.536354] [] do_sys_open+0xf5/0x342 [ 3568.547993] [] ? do_sys_open+0xf5/0x342 [ 3568.562022] [] ? __do_page_fault+0x6d3/0x96b [ 3568.584114] [] ? filp_open+0x68/0x68 [ 3568.597911] [] SyS_open+0x32/0x39 [ 3568.613228] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3568.634155] ================================================================================ [ 3568.658043] ================================================================================ [ 3568.682033] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3568.697658] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3568.722383] which requires 64 byte alignment [ 3568.734817] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3568.752056] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3568.777595] 00000000ffffffff 000000001f43b5f3 ffff88009e9bef48 ffffffffb26ec5cc [ 3568.799004] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3568.820317] ffffffff00000010 ffff88009e9bef70 ffff88009e9bef20 ffffffffb363c3e0 [ 3568.841203] Call Trace: [ 3568.846642] [] dump_stack+0xd7/0x132 [ 3568.862120] [] ? arch_local_irq_restore+0x1b/0x1b [ 3568.877692] [] ubsan_epilogue+0x12/0x53 [ 3568.893340] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3568.910855] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3568.932664] [] ext4_mb_generate_buddy+0x7e4/0x807 [ 3568.951652] [] ext4_mb_init_cache+0x7fe/0xbb3 [ 3568.967934] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3568.986026] [] ext4_mb_init_group+0x590/0x5c9 [ 3569.001110] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3569.020695] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3569.038089] [] ext4_mb_load_buddy_gfp+0x25b/0x944 [ 3569.053771] [] ext4_free_blocks+0x7a2/0x17cf [ 3569.071852] [] ? vprintk_default+0x65/0x6e [ 3569.089002] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3569.108392] [] ? arch_local_irq_restore+0x6/0xd [ 3569.123637] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3569.142871] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3569.161267] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3569.181137] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3569.199960] [] ? arch_local_irq_restore+0x6/0xd [ 3569.217745] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3569.234623] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3569.251358] [] ? _cond_resched+0x19/0x23 [ 3569.265481] [] ? down_write+0xb3/0xea [ 3569.280775] [] ext4_ext_truncate+0x1ed/0x244 [ 3569.295397] [] ext4_truncate+0x5ba/0x8ce [ 3569.313062] [] ? ext4_punch_hole+0x83e/0x83e [ 3569.330452] [] ext4_setattr+0xdbb/0x11bd [ 3569.345691] [] ? ext4_journalled_write_end+0x894/0x894 [ 3569.364934] [] notify_change+0xa68/0xc5b [ 3569.379939] [] do_truncate+0x165/0x1e5 [ 3569.392575] [] ? do_truncate+0x165/0x1e5 [ 3569.408978] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3569.429456] [] path_openat+0x222a/0x2525 [ 3569.442531] [] ? qlink_to_cache+0x10/0x87 [ 3569.459075] [] ? may_open+0x1c0/0x1c0 [ 3569.472629] [] ? deactivate_slab+0x53d/0x566 [ 3569.490142] [] ? getname_flags+0x4f/0x2e0 [ 3569.505751] [] ? init_object+0x1d6/0x1e2 [ 3569.520541] [] ? expand_files+0x68a/0x6d7 [ 3569.537022] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3569.552698] [] do_filp_open+0xe2/0x18c [ 3569.567192] [] ? path_openat+0x2525/0x2525 [ 3569.583360] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3569.600724] [] ? __alloc_fd+0x43d/0x47f [ 3569.613561] [] ? exit_files+0xaa/0xaa [ 3569.627344] [] do_sys_open+0xf5/0x342 [ 3569.639940] [] ? do_sys_open+0xf5/0x342 [ 3569.653165] [] ? __do_page_fault+0x6d3/0x96b [ 3569.667664] [] ? filp_open+0x68/0x68 [ 3569.681347] [] SyS_open+0x32/0x39 [ 3569.693238] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3569.711459] ================================================================================ [ 3569.737095] ================================================================================ [ 3569.760829] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1197:50 [ 3569.774633] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3569.799365] which requires 64 byte alignment [ 3569.811040] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3569.831350] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3569.855383] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf200 ffffffffb26ec5cc [ 3569.875595] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3569.896694] ffff880000000010 ffff88009e9bf228 ffff88009e9bf1d8 ffffffffb363c3e0 [ 3569.915751] Call Trace: [ 3569.921900] [] dump_stack+0xd7/0x132 [ 3569.935125] [] ? arch_local_irq_restore+0x1b/0x1b [ 3569.949314] [] ubsan_epilogue+0x12/0x53 [ 3569.966370] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3569.986487] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3570.003528] [] ext4_mb_load_buddy_gfp+0x788/0x944 [ 3570.019912] [] ext4_free_blocks+0x7a2/0x17cf [ 3570.037923] [] ? vprintk_default+0x65/0x6e [ 3570.054101] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3570.070053] [] ? arch_local_irq_restore+0x6/0xd [ 3570.088572] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3570.108644] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3570.124710] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3570.143406] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3570.160742] [] ? arch_local_irq_restore+0x6/0xd [ 3570.178082] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3570.193524] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3570.212715] [] ? _cond_resched+0x19/0x23 [ 3570.226679] [] ? down_write+0xb3/0xea [ 3570.242273] [] ext4_ext_truncate+0x1ed/0x244 [ 3570.257748] [] ext4_truncate+0x5ba/0x8ce [ 3570.272044] [] ? ext4_punch_hole+0x83e/0x83e [ 3570.288795] [] ext4_setattr+0xdbb/0x11bd [ 3570.303603] [] ? ext4_journalled_write_end+0x894/0x894 [ 3570.322873] [] notify_change+0xa68/0xc5b [ 3570.339836] [] do_truncate+0x165/0x1e5 [ 3570.352432] [] ? do_truncate+0x165/0x1e5 [ 3570.367996] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3570.387225] [] path_openat+0x222a/0x2525 [ 3570.400668] [] ? qlink_to_cache+0x10/0x87 [ 3570.413443] [] ? may_open+0x1c0/0x1c0 [ 3570.427750] [] ? deactivate_slab+0x53d/0x566 [ 3570.441976] [] ? getname_flags+0x4f/0x2e0 [ 3570.457985] [] ? init_object+0x1d6/0x1e2 [ 3570.470970] [] ? expand_files+0x68a/0x6d7 [ 3570.489107] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3570.508163] [] do_filp_open+0xe2/0x18c [ 3570.523368] [] ? path_openat+0x2525/0x2525 [ 3570.540417] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3570.559481] [] ? __alloc_fd+0x43d/0x47f [ 3570.573105] [] ? exit_files+0xaa/0xaa [ 3570.588599] [] do_sys_open+0xf5/0x342 [ 3570.604409] [] ? do_sys_open+0xf5/0x342 [ 3570.617545] [] ? __do_page_fault+0x6d3/0x96b [ 3570.633539] [] ? filp_open+0x68/0x68 [ 3570.647334] [] SyS_open+0x32/0x39 [ 3570.660690] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3570.676304] ================================================================================ [ 3570.700821] ================================================================================ [ 3570.722448] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1232:49 [ 3570.806608] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3570.831096] which requires 64 byte alignment [ 3570.844947] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3570.863898] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3570.888230] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf200 ffffffffb26ec5cc [ 3570.910222] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3570.930075] ffff880000000010 ffff88009e9bf228 ffff88009e9bf1d8 ffffffffb363c3e0 [ 3570.951354] Call Trace: [ 3570.957225] [] dump_stack+0xd7/0x132 [ 3570.970180] [] ? arch_local_irq_restore+0x1b/0x1b [ 3570.989791] [] ubsan_epilogue+0x12/0x53 [ 3571.005712] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3571.027271] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3571.046403] [] ext4_mb_load_buddy_gfp+0x891/0x944 [ 3571.063526] [] ext4_free_blocks+0x7a2/0x17cf [ 3571.080308] [] ? vprintk_default+0x65/0x6e [ 3571.093582] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3571.109927] [] ? arch_local_irq_restore+0x6/0xd [ 3571.127091] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3571.144027] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3571.160544] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3571.177351] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3571.194907] [] ? arch_local_irq_restore+0x6/0xd [ 3571.212237] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3571.230923] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3571.249263] [] ? _cond_resched+0x19/0x23 [ 3571.264704] [] ? down_write+0xb3/0xea [ 3571.279127] [] ext4_ext_truncate+0x1ed/0x244 [ 3571.292540] [] ext4_truncate+0x5ba/0x8ce [ 3571.307468] [] ? ext4_punch_hole+0x83e/0x83e [ 3571.322758] [] ext4_setattr+0xdbb/0x11bd [ 3571.340096] [] ? ext4_journalled_write_end+0x894/0x894 [ 3571.357807] [] notify_change+0xa68/0xc5b [ 3571.373446] [] do_truncate+0x165/0x1e5 [ 3571.388366] [] ? do_truncate+0x165/0x1e5 [ 3571.403872] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3571.424049] [] path_openat+0x222a/0x2525 [ 3571.442121] [] ? qlink_to_cache+0x10/0x87 [ 3571.459254] [] ? may_open+0x1c0/0x1c0 [ 3571.473295] [] ? deactivate_slab+0x53d/0x566 [ 3571.491282] [] ? getname_flags+0x4f/0x2e0 [ 3571.506502] [] ? init_object+0x1d6/0x1e2 [ 3571.520672] [] ? expand_files+0x68a/0x6d7 [ 3571.538153] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3571.557981] [] do_filp_open+0xe2/0x18c [ 3571.570307] [] ? path_openat+0x2525/0x2525 [ 3571.588266] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3571.603951] [] ? __alloc_fd+0x43d/0x47f [ 3571.619730] [] ? exit_files+0xaa/0xaa [ 3571.632365] [] do_sys_open+0xf5/0x342 [ 3571.648028] [] ? do_sys_open+0xf5/0x342 [ 3571.663444] [] ? __do_page_fault+0x6d3/0x96b [ 3571.679128] [] ? filp_open+0x68/0x68 [ 3571.692316] [] SyS_open+0x32/0x39 [ 3571.707844] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3571.724987] ================================================================================ [ 3571.747078] ================================================================================ [ 3571.769695] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3571.784803] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3571.808435] which requires 64 byte alignment [ 3571.818953] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3571.838240] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3571.864859] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3571.890317] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3571.917360] 0000000000000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3571.940923] Call Trace: [ 3571.947340] [] dump_stack+0xd7/0x132 [ 3571.962757] [] ? arch_local_irq_restore+0x1b/0x1b [ 3571.982166] [] ubsan_epilogue+0x12/0x53 [ 3571.998785] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3572.021442] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3572.041791] [] ? ext4_mb_load_buddy_gfp+0x932/0x944 [ 3572.058570] [] ext4_free_blocks+0x1508/0x17cf [ 3572.073411] [] ? vprintk_default+0x65/0x6e [ 3572.090233] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3572.109277] [] ? arch_local_irq_restore+0x6/0xd [ 3572.127106] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3572.143822] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3572.161068] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3572.179566] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3572.196858] [] ? arch_local_irq_restore+0x6/0xd [ 3572.213435] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3572.231257] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3572.246259] [] ? _cond_resched+0x19/0x23 [ 3572.260858] [] ? down_write+0xb3/0xea [ 3572.273398] [] ext4_ext_truncate+0x1ed/0x244 [ 3572.294265] [] ext4_truncate+0x5ba/0x8ce [ 3572.313781] [] ? ext4_punch_hole+0x83e/0x83e [ 3572.330854] [] ext4_setattr+0xdbb/0x11bd [ 3572.347374] [] ? ext4_journalled_write_end+0x894/0x894 [ 3572.363927] [] notify_change+0xa68/0xc5b [ 3572.382456] [] do_truncate+0x165/0x1e5 [ 3572.398553] [] ? do_truncate+0x165/0x1e5 [ 3572.415446] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3572.435253] [] path_openat+0x222a/0x2525 [ 3572.451104] [] ? qlink_to_cache+0x10/0x87 [ 3572.464153] [] ? may_open+0x1c0/0x1c0 [ 3572.478566] [] ? deactivate_slab+0x53d/0x566 [ 3572.498646] [] ? getname_flags+0x4f/0x2e0 [ 3572.514241] [] ? init_object+0x1d6/0x1e2 [ 3572.530934] [] ? expand_files+0x68a/0x6d7 [ 3572.546287] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3572.566049] [] do_filp_open+0xe2/0x18c [ 3572.581202] [] ? path_openat+0x2525/0x2525 [ 3572.596480] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3572.616402] [] ? __alloc_fd+0x43d/0x47f [ 3572.632309] [] ? exit_files+0xaa/0xaa [ 3572.646718] [] do_sys_open+0xf5/0x342 [ 3572.660546] [] ? do_sys_open+0xf5/0x342 [ 3572.672998] [] ? __do_page_fault+0x6d3/0x96b [ 3572.690204] [] ? filp_open+0x68/0x68 [ 3572.701906] [] SyS_open+0x32/0x39 [ 3572.715013] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3572.730171] ================================================================================ [ 3572.751151] ================================================================================ [ 3572.775606] UBSAN: Undefined behaviour in fs/ext4/ext4_jbd2.h:413:6 [ 3572.791859] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3572.818521] which requires 64 byte alignment [ 3572.828605] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3572.848654] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3572.872870] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3572.892696] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3572.916690] ffffffff00000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3572.937912] Call Trace: [ 3572.945122] [] dump_stack+0xd7/0x132 [ 3572.961926] [] ? arch_local_irq_restore+0x1b/0x1b [ 3572.979325] [] ubsan_epilogue+0x12/0x53 [ 3572.992544] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3573.011192] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3573.031528] [] ? ext4_mb_load_buddy_gfp+0x932/0x944 [ 3573.049166] [] ext4_free_blocks+0x151c/0x17cf [ 3573.065252] [] ? vprintk_default+0x65/0x6e [ 3573.080405] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3573.094372] [] ? arch_local_irq_restore+0x6/0xd [ 3573.111633] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3573.130803] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3573.145625] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3573.161622] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3573.177089] [] ? arch_local_irq_restore+0x6/0xd [ 3573.194929] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3573.213620] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3573.232066] [] ? _cond_resched+0x19/0x23 [ 3573.247447] [] ? down_write+0xb3/0xea [ 3573.262757] [] ext4_ext_truncate+0x1ed/0x244 [ 3573.278664] [] ext4_truncate+0x5ba/0x8ce [ 3573.294014] [] ? ext4_punch_hole+0x83e/0x83e [ 3573.311487] [] ext4_setattr+0xdbb/0x11bd [ 3573.327688] [] ? ext4_journalled_write_end+0x894/0x894 [ 3573.350092] [] notify_change+0xa68/0xc5b [ 3573.367249] [] do_truncate+0x165/0x1e5 [ 3573.383349] [] ? do_truncate+0x165/0x1e5 [ 3573.400323] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3573.418337] [] path_openat+0x222a/0x2525 [ 3573.432964] [] ? qlink_to_cache+0x10/0x87 [ 3573.446834] [] ? may_open+0x1c0/0x1c0 [ 3573.461399] [] ? deactivate_slab+0x53d/0x566 [ 3573.477693] [] ? getname_flags+0x4f/0x2e0 [ 3573.492351] [] ? init_object+0x1d6/0x1e2 [ 3573.509911] [] ? expand_files+0x68a/0x6d7 [ 3573.523823] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3573.543761] [] do_filp_open+0xe2/0x18c [ 3573.559780] [] ? path_openat+0x2525/0x2525 [ 3573.574314] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3573.590419] [] ? __alloc_fd+0x43d/0x47f [ 3573.607371] [] ? exit_files+0xaa/0xaa [ 3573.621749] [] do_sys_open+0xf5/0x342 [ 3573.637568] [] ? do_sys_open+0xf5/0x342 [ 3573.652663] [] ? __do_page_fault+0x6d3/0x96b [ 3573.672124] [] ? filp_open+0x68/0x68 [ 3573.688965] [] SyS_open+0x32/0x39 [ 3573.702172] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3573.721727] ================================================================================ [ 3573.741302] ================================================================================ [ 3573.765904] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3573.782945] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3573.807185] which requires 64 byte alignment [ 3573.819580] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3573.839843] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3573.866612] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3573.885785] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3573.908304] ffffffff00000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3573.929849] Call Trace: [ 3573.937352] [] dump_stack+0xd7/0x132 [ 3573.951985] [] ? arch_local_irq_restore+0x1b/0x1b [ 3573.969681] [] ubsan_epilogue+0x12/0x53 [ 3573.985524] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3574.001386] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3574.021847] [] ? ext4_mb_load_buddy_gfp+0x932/0x944 [ 3574.040275] [] ext4_free_blocks+0x157e/0x17cf [ 3574.057585] [] ? vprintk_default+0x65/0x6e [ 3574.072446] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3574.090534] [] ? arch_local_irq_restore+0x6/0xd [ 3574.106090] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3574.125249] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3574.144609] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3574.162346] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3574.181763] [] ? arch_local_irq_restore+0x6/0xd [ 3574.197810] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3574.213258] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3574.233696] [] ? _cond_resched+0x19/0x23 [ 3574.248614] [] ? down_write+0xb3/0xea [ 3574.262170] [] ext4_ext_truncate+0x1ed/0x244 [ 3574.279575] [] ext4_truncate+0x5ba/0x8ce [ 3574.292976] [] ? ext4_punch_hole+0x83e/0x83e [ 3574.309269] [] ext4_setattr+0xdbb/0x11bd [ 3574.324266] [] ? ext4_journalled_write_end+0x894/0x894 [ 3574.341373] [] notify_change+0xa68/0xc5b [ 3574.356907] [] do_truncate+0x165/0x1e5 [ 3574.370884] [] ? do_truncate+0x165/0x1e5 [ 3574.390613] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3574.409729] [] path_openat+0x222a/0x2525 [ 3574.422991] [] ? qlink_to_cache+0x10/0x87 [ 3574.441405] [] ? may_open+0x1c0/0x1c0 [ 3574.455118] [] ? deactivate_slab+0x53d/0x566 [ 3574.470554] [] ? getname_flags+0x4f/0x2e0 [ 3574.485833] [] ? init_object+0x1d6/0x1e2 [ 3574.504337] [] ? expand_files+0x68a/0x6d7 [ 3574.519088] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3574.539818] [] do_filp_open+0xe2/0x18c [ 3574.552494] [] ? path_openat+0x2525/0x2525 [ 3574.571393] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3574.588424] [] ? __alloc_fd+0x43d/0x47f [ 3574.603237] [] ? exit_files+0xaa/0xaa [ 3574.619396] [] do_sys_open+0xf5/0x342 [ 3574.632869] [] ? do_sys_open+0xf5/0x342 [ 3574.645838] [] ? __do_page_fault+0x6d3/0x96b [ 3574.661840] [] ? filp_open+0x68/0x68 [ 3574.675970] [] SyS_open+0x32/0x39 [ 3574.688953] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3574.708864] ================================================================================ [ 3574.733219] ================================================================================ [ 3574.754497] UBSAN: Undefined behaviour in fs/ext4/ext4_jbd2.h:417:6 [ 3574.772986] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3574.797441] which requires 64 byte alignment [ 3574.807378] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3574.826621] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3574.853194] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3574.870971] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3574.890607] ffffffff00000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3574.911703] Call Trace: [ 3574.919009] [] dump_stack+0xd7/0x132 [ 3574.933710] [] ? arch_local_irq_restore+0x1b/0x1b [ 3574.952961] [] ubsan_epilogue+0x12/0x53 [ 3574.968063] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3574.987354] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3575.005886] [] ? ext4_mb_load_buddy_gfp+0x932/0x944 [ 3575.023991] [] ext4_free_blocks+0x1597/0x17cf [ 3575.039977] [] ? vprintk_default+0x65/0x6e [ 3575.055439] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3575.071125] [] ? arch_local_irq_restore+0x6/0xd [ 3575.088994] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3575.110198] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3575.127482] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3575.144552] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3575.162032] [] ? arch_local_irq_restore+0x6/0xd [ 3575.176261] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3575.193961] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3575.211848] [] ? _cond_resched+0x19/0x23 [ 3575.224930] [] ? down_write+0xb3/0xea [ 3575.241069] [] ext4_ext_truncate+0x1ed/0x244 [ 3575.256464] [] ext4_truncate+0x5ba/0x8ce [ 3575.271851] [] ? ext4_punch_hole+0x83e/0x83e [ 3575.287568] [] ext4_setattr+0xdbb/0x11bd [ 3575.305008] [] ? ext4_journalled_write_end+0x894/0x894 [ 3575.323162] [] notify_change+0xa68/0xc5b [ 3575.337930] [] do_truncate+0x165/0x1e5 [ 3575.353142] [] ? do_truncate+0x165/0x1e5 [ 3575.368983] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3575.387260] [] path_openat+0x222a/0x2525 [ 3575.401620] [] ? qlink_to_cache+0x10/0x87 [ 3575.416267] [] ? may_open+0x1c0/0x1c0 [ 3575.431834] [] ? deactivate_slab+0x53d/0x566 [ 3575.447958] [] ? getname_flags+0x4f/0x2e0 [ 3575.464649] [] ? init_object+0x1d6/0x1e2 [ 3575.481875] [] ? expand_files+0x68a/0x6d7 [ 3575.495411] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3575.513873] [] do_filp_open+0xe2/0x18c [ 3575.530848] [] ? path_openat+0x2525/0x2525 [ 3575.545370] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3575.562393] [] ? __alloc_fd+0x43d/0x47f [ 3575.574892] [] ? exit_files+0xaa/0xaa [ 3575.589554] [] do_sys_open+0xf5/0x342 [ 3575.603273] [] ? do_sys_open+0xf5/0x342 [ 3575.620592] [] ? __do_page_fault+0x6d3/0x96b [ 3575.634568] [] ? filp_open+0x68/0x68 [ 3575.648833] [] SyS_open+0x32/0x39 [ 3575.662938] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3575.680973] ================================================================================ [ 3575.705621] ================================================================================ [ 3575.729050] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3575.745264] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3575.768358] which requires 64 byte alignment [ 3575.781642] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3575.798259] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3575.823015] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3575.845683] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3575.864621] ffffffff00000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3575.884403] Call Trace: [ 3575.889899] [] dump_stack+0xd7/0x132 [ 3575.905249] [] ? arch_local_irq_restore+0x1b/0x1b [ 3575.922371] [] ubsan_epilogue+0x12/0x53 [ 3575.936885] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3575.956250] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3575.973944] [] ? ext4_mb_load_buddy_gfp+0x932/0x944 [ 3575.992017] [] ext4_free_blocks+0x1655/0x17cf [ 3576.008544] [] ? vprintk_default+0x65/0x6e [ 3576.023259] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3576.041042] [] ? arch_local_irq_restore+0x6/0xd [ 3576.059466] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3576.075962] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3576.094171] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3576.110955] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3576.130175] [] ? arch_local_irq_restore+0x6/0xd [ 3576.147992] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3576.164825] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3576.182749] [] ? _cond_resched+0x19/0x23 [ 3576.196269] [] ? down_write+0xb3/0xea [ 3576.210375] [] ext4_ext_truncate+0x1ed/0x244 [ 3576.227509] [] ext4_truncate+0x5ba/0x8ce [ 3576.243827] [] ? ext4_punch_hole+0x83e/0x83e [ 3576.260364] [] ext4_setattr+0xdbb/0x11bd [ 3576.273628] [] ? ext4_journalled_write_end+0x894/0x894 [ 3576.291328] [] notify_change+0xa68/0xc5b [ 3576.307185] [] do_truncate+0x165/0x1e5 [ 3576.323267] [] ? do_truncate+0x165/0x1e5 [ 3576.337074] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3576.355005] [] path_openat+0x222a/0x2525 [ 3576.368540] [] ? qlink_to_cache+0x10/0x87 [ 3576.383505] [] ? may_open+0x1c0/0x1c0 [ 3576.395118] [] ? deactivate_slab+0x53d/0x566 [ 3576.410247] [] ? getname_flags+0x4f/0x2e0 [ 3576.426953] [] ? init_object+0x1d6/0x1e2 [ 3576.440430] [] ? expand_files+0x68a/0x6d7 [ 3576.456219] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3576.475704] [] do_filp_open+0xe2/0x18c [ 3576.488976] [] ? path_openat+0x2525/0x2525 [ 3576.505617] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3576.520971] [] ? __alloc_fd+0x43d/0x47f [ 3576.536513] [] ? exit_files+0xaa/0xaa [ 3576.550919] [] do_sys_open+0xf5/0x342 [ 3576.563029] [] ? do_sys_open+0xf5/0x342 [ 3576.578460] [] ? __do_page_fault+0x6d3/0x96b [ 3576.591635] [] ? filp_open+0x68/0x68 [ 3576.605102] [] SyS_open+0x32/0x39 [ 3576.617459] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3576.634005] ================================================================================ [ 3576.656282] ================================================================================ [ 3576.678665] UBSAN: Undefined behaviour in fs/ext4/ext4_jbd2.h:422:6 [ 3576.697094] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3576.721428] which requires 64 byte alignment [ 3576.732555] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3576.752586] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3576.779437] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3576.802702] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3576.822142] ffffffff00000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3576.842422] Call Trace: [ 3576.848292] [] dump_stack+0xd7/0x132 [ 3576.861469] [] ? arch_local_irq_restore+0x1b/0x1b [ 3576.877580] [] ubsan_epilogue+0x12/0x53 [ 3576.892320] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3576.911269] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3576.931553] [] ? ext4_mb_load_buddy_gfp+0x932/0x944 [ 3576.948126] [] ext4_free_blocks+0x166e/0x17cf [ 3576.962408] [] ? vprintk_default+0x65/0x6e [ 3576.976557] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3576.991178] [] ? arch_local_irq_restore+0x6/0xd [ 3577.010206] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3577.043915] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3577.085093] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3577.111820] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3577.135612] [] ? arch_local_irq_restore+0x6/0xd [ 3577.153252] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3577.170004] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3577.189426] [] ? _cond_resched+0x19/0x23 [ 3577.208840] [] ? down_write+0xb3/0xea [ 3577.225851] [] ext4_ext_truncate+0x1ed/0x244 [ 3577.244781] [] ext4_truncate+0x5ba/0x8ce [ 3577.260132] [] ? ext4_punch_hole+0x83e/0x83e [ 3577.276691] [] ext4_setattr+0xdbb/0x11bd [ 3577.292894] [] ? ext4_journalled_write_end+0x894/0x894 [ 3577.312688] [] notify_change+0xa68/0xc5b [ 3577.331854] [] do_truncate+0x165/0x1e5 [ 3577.348526] [] ? do_truncate+0x165/0x1e5 [ 3577.361330] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3577.379881] [] path_openat+0x222a/0x2525 [ 3577.393439] [] ? qlink_to_cache+0x10/0x87 [ 3577.412169] [] ? may_open+0x1c0/0x1c0 [ 3577.434457] [] ? deactivate_slab+0x53d/0x566 [ 3577.460392] [] ? getname_flags+0x4f/0x2e0 [ 3577.475872] [] ? init_object+0x1d6/0x1e2 [ 3577.491091] [] ? expand_files+0x68a/0x6d7 [ 3577.506233] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3577.523530] [] do_filp_open+0xe2/0x18c [ 3577.537879] [] ? path_openat+0x2525/0x2525 [ 3577.553002] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3577.570821] [] ? __alloc_fd+0x43d/0x47f [ 3577.586535] [] ? exit_files+0xaa/0xaa [ 3577.601332] [] do_sys_open+0xf5/0x342 [ 3577.615800] [] ? do_sys_open+0xf5/0x342 [ 3577.630903] [] ? __do_page_fault+0x6d3/0x96b [ 3577.646049] [] ? filp_open+0x68/0x68 [ 3577.659445] [] SyS_open+0x32/0x39 [ 3577.671497] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3577.688754] ================================================================================ [ 3577.719178] ================================================================================ [ 3577.743078] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3577.760663] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3577.783256] which requires 64 byte alignment [ 3577.793000] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3577.812004] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3577.838120] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf1e0 ffffffffb26ec5cc [ 3577.858983] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3577.877043] ffffffff00000010 ffff88009e9bf208 ffff88009e9bf1b8 ffffffffb363c3e0 [ 3577.899600] Call Trace: [ 3577.905718] [] dump_stack+0xd7/0x132 [ 3577.919838] [] ? arch_local_irq_restore+0x1b/0x1b [ 3577.936766] [] ubsan_epilogue+0x12/0x53 [ 3577.950727] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3577.967679] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3577.987556] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3578.005901] [] ? kasan_slab_alloc+0x12/0x14 [ 3578.021411] [] ext4_mb_free_metadata+0xd4/0xa55 [ 3578.040291] [] ext4_free_blocks+0xa29/0x17cf [ 3578.057272] [] ? vprintk_default+0x65/0x6e [ 3578.078280] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3578.093511] [] ? arch_local_irq_restore+0x6/0xd [ 3578.111379] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3578.134161] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3578.156525] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3578.180136] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3578.196296] [] ? arch_local_irq_restore+0x6/0xd [ 3578.213677] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3578.230482] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3578.244456] [] ? _cond_resched+0x19/0x23 [ 3578.258340] [] ? down_write+0xb3/0xea [ 3578.271925] [] ext4_ext_truncate+0x1ed/0x244 [ 3578.286319] [] ext4_truncate+0x5ba/0x8ce [ 3578.301973] [] ? ext4_punch_hole+0x83e/0x83e [ 3578.322572] [] ext4_setattr+0xdbb/0x11bd [ 3578.337417] [] ? ext4_journalled_write_end+0x894/0x894 [ 3578.353900] [] notify_change+0xa68/0xc5b [ 3578.367714] [] do_truncate+0x165/0x1e5 [ 3578.382785] [] ? do_truncate+0x165/0x1e5 [ 3578.398805] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3578.415233] [] path_openat+0x222a/0x2525 [ 3578.430983] [] ? qlink_to_cache+0x10/0x87 [ 3578.444189] [] ? may_open+0x1c0/0x1c0 [ 3578.458560] [] ? deactivate_slab+0x53d/0x566 [ 3578.472335] [] ? getname_flags+0x4f/0x2e0 [ 3578.489624] [] ? init_object+0x1d6/0x1e2 [ 3578.505449] [] ? expand_files+0x68a/0x6d7 [ 3578.517766] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3578.536982] [] do_filp_open+0xe2/0x18c [ 3578.553246] [] ? path_openat+0x2525/0x2525 [ 3578.568165] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3578.585253] [] ? __alloc_fd+0x43d/0x47f [ 3578.602317] [] ? exit_files+0xaa/0xaa [ 3578.618697] [] do_sys_open+0xf5/0x342 [ 3578.632474] [] ? do_sys_open+0xf5/0x342 [ 3578.648456] [] ? __do_page_fault+0x6d3/0x96b [ 3578.664301] [] ? filp_open+0x68/0x68 [ 3578.680019] [] SyS_open+0x32/0x39 [ 3578.691983] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3578.712342] ================================================================================ [ 3578.733364] ================================================================================ [ 3578.757301] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4648:25 [ 3578.775739] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3578.798925] which requires 64 byte alignment [ 3578.809701] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3578.828443] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3578.850796] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf1e0 ffffffffb26ec5cc [ 3578.870366] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3578.890394] ffff880000000010 ffff88009e9bf208 ffff88009e9bf1b8 ffffffffb363c3e0 [ 3578.915840] Call Trace: [ 3578.922201] [] dump_stack+0xd7/0x132 [ 3578.937045] [] ? arch_local_irq_restore+0x1b/0x1b [ 3578.954031] [] ubsan_epilogue+0x12/0x53 [ 3578.968091] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3578.987580] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3579.006294] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3579.026146] [] ext4_mb_free_metadata+0x9c2/0xa55 [ 3579.043636] [] ext4_free_blocks+0xa29/0x17cf [ 3579.058441] [] ? vprintk_default+0x65/0x6e [ 3579.072041] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3579.089056] [] ? arch_local_irq_restore+0x6/0xd [ 3579.106974] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3579.128497] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3579.147585] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3579.162441] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3579.182120] [] ? arch_local_irq_restore+0x6/0xd [ 3579.199713] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3579.217351] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3579.233115] [] ? _cond_resched+0x19/0x23 [ 3579.250018] [] ? down_write+0xb3/0xea [ 3579.264645] [] ext4_ext_truncate+0x1ed/0x244 [ 3579.281812] [] ext4_truncate+0x5ba/0x8ce [ 3579.299708] [] ? ext4_punch_hole+0x83e/0x83e [ 3579.313296] [] ext4_setattr+0xdbb/0x11bd [ 3579.331880] [] ? ext4_journalled_write_end+0x894/0x894 [ 3579.354132] [] notify_change+0xa68/0xc5b [ 3579.373736] [] do_truncate+0x165/0x1e5 [ 3579.392747] [] ? do_truncate+0x165/0x1e5 [ 3579.412100] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3579.436894] [] path_openat+0x222a/0x2525 [ 3579.456113] [] ? qlink_to_cache+0x10/0x87 [ 3579.473667] [] ? may_open+0x1c0/0x1c0 [ 3579.491746] [] ? deactivate_slab+0x53d/0x566 [ 3579.512416] [] ? getname_flags+0x4f/0x2e0 [ 3579.530119] [] ? init_object+0x1d6/0x1e2 [ 3579.546782] [] ? expand_files+0x68a/0x6d7 [ 3579.566034] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3579.590805] [] do_filp_open+0xe2/0x18c [ 3579.608929] [] ? path_openat+0x2525/0x2525 [ 3579.629366] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3579.648726] [] ? __alloc_fd+0x43d/0x47f [ 3579.667905] [] ? exit_files+0xaa/0xaa [ 3579.686237] [] do_sys_open+0xf5/0x342 [ 3579.703003] [] ? do_sys_open+0xf5/0x342 [ 3579.723696] [] ? __do_page_fault+0x6d3/0x96b [ 3579.740164] [] ? filp_open+0x68/0x68 [ 3579.758058] [] SyS_open+0x32/0x39 [ 3579.772103] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3579.790146] ================================================================================ [ 3579.815335] ================================================================================ [ 3579.838026] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4648:25 [ 3579.852921] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3579.880381] which requires 64 byte alignment [ 3579.890262] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3579.913217] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3579.942566] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf1e0 ffffffffb26ec5cc [ 3579.963449] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3579.986953] ffff880000000010 ffff88009e9bf208 ffff88009e9bf1b8 ffffffffb363c3e0 [ 3580.009484] Call Trace: [ 3580.016603] [] dump_stack+0xd7/0x132 [ 3580.043625] [] ? arch_local_irq_restore+0x1b/0x1b [ 3580.073591] [] ubsan_epilogue+0x12/0x53 [ 3580.101745] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3580.126021] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3580.153017] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3580.174953] [] ext4_mb_free_metadata+0x9f2/0xa55 [ 3580.194253] [] ext4_free_blocks+0xa29/0x17cf [ 3580.213656] [] ? vprintk_default+0x65/0x6e [ 3580.231473] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3580.253730] [] ? arch_local_irq_restore+0x6/0xd [ 3580.271083] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3580.291772] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3580.313247] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3580.334690] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3580.358736] [] ? arch_local_irq_restore+0x6/0xd [ 3580.378629] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3580.399599] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3580.421768] [] ? _cond_resched+0x19/0x23 [ 3580.442292] [] ? down_write+0xb3/0xea [ 3580.465648] [] ext4_ext_truncate+0x1ed/0x244 [ 3580.488675] [] ext4_truncate+0x5ba/0x8ce [ 3580.508307] [] ? ext4_punch_hole+0x83e/0x83e [ 3580.527446] [] ext4_setattr+0xdbb/0x11bd [ 3580.547515] [] ? ext4_journalled_write_end+0x894/0x894 [ 3580.579020] [] notify_change+0xa68/0xc5b [ 3580.603459] [] do_truncate+0x165/0x1e5 [ 3580.620322] [] ? do_truncate+0x165/0x1e5 [ 3580.640371] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3580.666412] [] path_openat+0x222a/0x2525 [ 3580.911055] [] ? qlink_to_cache+0x10/0x87 [ 3580.933399] [] ? may_open+0x1c0/0x1c0 [ 3580.950262] [] ? deactivate_slab+0x53d/0x566 [ 3580.965715] [] ? getname_flags+0x4f/0x2e0 [ 3580.984944] [] ? init_object+0x1d6/0x1e2 [ 3581.003804] [] ? expand_files+0x68a/0x6d7 [ 3581.025092] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3581.054896] [] do_filp_open+0xe2/0x18c [ 3581.082334] [] ? path_openat+0x2525/0x2525 [ 3581.104911] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3581.131893] [] ? __alloc_fd+0x43d/0x47f [ 3581.157732] [] ? exit_files+0xaa/0xaa [ 3581.182875] [] do_sys_open+0xf5/0x342 [ 3581.204997] [] ? do_sys_open+0xf5/0x342 [ 3581.239190] [] ? __do_page_fault+0x6d3/0x96b [ 3581.268463] [] ? filp_open+0x68/0x68 [ 3581.289286] [] SyS_open+0x32/0x39 [ 3581.313348] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3581.337900] ================================================================================ [ 3581.367073] ================================================================================ [ 3581.395862] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3581.417026] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3581.445765] which requires 64 byte alignment [ 3581.455160] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3581.483726] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3581.514732] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf230 ffffffffb26ec5cc [ 3581.541001] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3581.564202] ffff880000000010 ffff88009e9bf258 ffff88009e9bf208 ffffffffb363c3e0 [ 3581.586014] Call Trace: [ 3581.592264] [] dump_stack+0xd7/0x132 [ 3581.610828] [] ? arch_local_irq_restore+0x1b/0x1b [ 3581.632130] [] ubsan_epilogue+0x12/0x53 [ 3581.656538] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3581.681166] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3581.711219] [] ? ext4_mb_free_metadata+0xa44/0xa55 [ 3581.739672] [] ext4_free_group_clusters_set+0x5d/0xd7 [ 3581.763599] [] ext4_free_blocks+0xa5c/0x17cf [ 3581.785367] [] ? vprintk_default+0x65/0x6e [ 3581.805459] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3581.830790] [] ? arch_local_irq_restore+0x6/0xd [ 3581.851063] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3581.884817] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3581.908797] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3581.936768] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3581.961436] [] ? arch_local_irq_restore+0x6/0xd [ 3581.982400] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3582.000464] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3582.019382] [] ? _cond_resched+0x19/0x23 [ 3582.033087] [] ? down_write+0xb3/0xea [ 3582.047906] [] ext4_ext_truncate+0x1ed/0x244 [ 3582.064638] [] ext4_truncate+0x5ba/0x8ce [ 3582.082087] [] ? ext4_punch_hole+0x83e/0x83e [ 3582.101584] [] ext4_setattr+0xdbb/0x11bd [ 3582.117571] [] ? ext4_journalled_write_end+0x894/0x894 [ 3582.139472] [] notify_change+0xa68/0xc5b [ 3582.159658] [] do_truncate+0x165/0x1e5 [ 3582.179533] [] ? do_truncate+0x165/0x1e5 [ 3582.202941] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3582.228136] [] path_openat+0x222a/0x2525 [ 3582.247344] [] ? qlink_to_cache+0x10/0x87 [ 3582.266710] [] ? may_open+0x1c0/0x1c0 [ 3582.286007] [] ? deactivate_slab+0x53d/0x566 [ 3582.308874] [] ? getname_flags+0x4f/0x2e0 [ 3582.328462] [] ? init_object+0x1d6/0x1e2 [ 3582.346523] [] ? expand_files+0x68a/0x6d7 [ 3582.364585] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3582.382216] [] do_filp_open+0xe2/0x18c [ 3582.394770] [] ? path_openat+0x2525/0x2525 [ 3582.411915] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3582.428616] [] ? __alloc_fd+0x43d/0x47f [ 3582.443793] [] ? exit_files+0xaa/0xaa [ 3582.459542] [] do_sys_open+0xf5/0x342 [ 3582.475419] [] ? do_sys_open+0xf5/0x342 [ 3582.492088] [] ? __do_page_fault+0x6d3/0x96b [ 3582.513060] [] ? filp_open+0x68/0x68 [ 3582.527343] [] SyS_open+0x32/0x39 [ 3582.540324] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3582.556592] ================================================================================ [ 3582.578577] ================================================================================ [ 3582.604458] UBSAN: Undefined behaviour in fs/ext4/super.c:288:6 [ 3582.623616] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3582.649910] which requires 64 byte alignment [ 3582.663792] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3582.685840] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3582.721254] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf230 ffffffffb26ec5cc [ 3582.751321] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3582.773124] ffff880000000010 ffff88009e9bf258 ffff88009e9bf208 ffffffffb363c3e0 [ 3583.040068] Call Trace: [ 3583.055120] [] dump_stack+0xd7/0x132 [ 3583.076313] [] ? arch_local_irq_restore+0x1b/0x1b [ 3583.096257] [] ubsan_epilogue+0x12/0x53 [ 3583.113190] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3583.135922] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3583.157561] [] ? ext4_mb_free_metadata+0xa44/0xa55 [ 3583.173920] [] ext4_free_group_clusters_set+0x8c/0xd7 [ 3583.191915] [] ext4_free_blocks+0xa5c/0x17cf [ 3583.213337] [] ? vprintk_default+0x65/0x6e [ 3583.229794] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3583.248578] [] ? arch_local_irq_restore+0x6/0xd [ 3583.269377] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3583.291596] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3583.310189] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3583.329283] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3583.348044] [] ? arch_local_irq_restore+0x6/0xd [ 3583.367013] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3583.384497] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3583.400370] [] ? _cond_resched+0x19/0x23 [ 3583.417253] [] ? down_write+0xb3/0xea [ 3583.429956] [] ext4_ext_truncate+0x1ed/0x244 [ 3583.446626] [] ext4_truncate+0x5ba/0x8ce [ 3583.464083] [] ? ext4_punch_hole+0x83e/0x83e [ 3583.481472] [] ext4_setattr+0xdbb/0x11bd [ 3583.497132] [] ? ext4_journalled_write_end+0x894/0x894 [ 3583.521289] [] notify_change+0xa68/0xc5b [ 3583.537811] [] do_truncate+0x165/0x1e5 [ 3583.552100] [] ? do_truncate+0x165/0x1e5 [ 3583.570841] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3583.590639] [] path_openat+0x222a/0x2525 [ 3583.606024] [] ? qlink_to_cache+0x10/0x87 [ 3583.623983] [] ? may_open+0x1c0/0x1c0 [ 3583.636874] [] ? deactivate_slab+0x53d/0x566 [ 3583.652739] [] ? getname_flags+0x4f/0x2e0 [ 3583.668840] [] ? init_object+0x1d6/0x1e2 [ 3583.686056] [] ? expand_files+0x68a/0x6d7 [ 3583.700541] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3583.720959] [] do_filp_open+0xe2/0x18c [ 3583.740103] [] ? path_openat+0x2525/0x2525 [ 3583.756085] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3583.770946] [] ? __alloc_fd+0x43d/0x47f [ 3583.787561] [] ? exit_files+0xaa/0xaa [ 3583.802542] [] do_sys_open+0xf5/0x342 [ 3583.818747] [] ? do_sys_open+0xf5/0x342 [ 3583.835688] [] ? __do_page_fault+0x6d3/0x96b [ 3583.851387] [] ? filp_open+0x68/0x68 [ 3583.867804] [] SyS_open+0x32/0x39 [ 3583.884471] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3583.902637] ================================================================================ [ 3583.927871] ================================================================================ [ 3583.954383] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3583.975002] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3584.001099] which requires 64 byte alignment [ 3584.019812] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3584.045402] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3584.071199] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf220 ffffffffb26ec5cc [ 3584.095777] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3584.119856] ffffed0000000010 ffff88009e9bf248 ffff88009e9bf1f8 ffffffffb363c3e0 [ 3584.142331] Call Trace: [ 3584.148336] [] dump_stack+0xd7/0x132 [ 3584.164827] [] ? arch_local_irq_restore+0x1b/0x1b [ 3584.184365] [] ubsan_epilogue+0x12/0x53 [ 3584.199717] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3584.226132] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3584.246749] [] ? ext4_mb_free_metadata+0xa44/0xa55 [ 3584.265738] [] ext4_block_bitmap_csum_set+0x3a/0x19d [ 3584.283892] [] ext4_free_blocks+0xa7d/0x17cf [ 3584.299879] [] ? vprintk_default+0x65/0x6e [ 3584.317305] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3584.337993] [] ? arch_local_irq_restore+0x6/0xd [ 3584.356517] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3584.382523] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3584.402665] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3584.425005] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3584.445514] [] ? arch_local_irq_restore+0x6/0xd [ 3584.464997] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3584.484168] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3584.507529] [] ? _cond_resched+0x19/0x23 [ 3584.529380] [] ? down_write+0xb3/0xea [ 3584.546855] [] ext4_ext_truncate+0x1ed/0x244 [ 3584.569376] [] ext4_truncate+0x5ba/0x8ce [ 3584.597080] [] ? ext4_punch_hole+0x83e/0x83e [ 3584.616196] [] ext4_setattr+0xdbb/0x11bd [ 3584.632101] [] ? ext4_journalled_write_end+0x894/0x894 [ 3584.657258] [] notify_change+0xa68/0xc5b [ 3584.673429] [] do_truncate+0x165/0x1e5 [ 3584.697553] [] ? do_truncate+0x165/0x1e5 [ 3584.718471] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3584.743443] [] path_openat+0x222a/0x2525 [ 3584.759558] [] ? qlink_to_cache+0x10/0x87 [ 3584.776013] [] ? may_open+0x1c0/0x1c0 [ 3584.792437] [] ? deactivate_slab+0x53d/0x566 [ 3584.814358] [] ? getname_flags+0x4f/0x2e0 [ 3584.829717] [] ? init_object+0x1d6/0x1e2 [ 3584.846307] [] ? expand_files+0x68a/0x6d7 [ 3584.862540] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3584.880572] [] do_filp_open+0xe2/0x18c [ 3584.896743] [] ? path_openat+0x2525/0x2525 [ 3584.910702] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3584.928456] [] ? __alloc_fd+0x43d/0x47f [ 3584.946631] [] ? exit_files+0xaa/0xaa [ 3584.961730] [] do_sys_open+0xf5/0x342 [ 3584.978188] [] ? do_sys_open+0xf5/0x342 [ 3584.991897] [] ? __do_page_fault+0x6d3/0x96b [ 3585.014710] [] ? filp_open+0x68/0x68 [ 3585.028335] [] SyS_open+0x32/0x39 [ 3585.044520] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3585.064027] ================================================================================ [ 3585.093332] ================================================================================ [ 3585.127874] UBSAN: Undefined behaviour in fs/ext4/bitmap.c:86:11 [ 3585.153949] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3585.181072] which requires 64 byte alignment [ 3585.197943] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3585.219872] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3585.247864] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf220 ffffffffb26ec5cc [ 3585.270851] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3585.292946] ffff880000000010 ffff88009e9bf248 ffff88009e9bf1f8 ffffffffb363c3e0 [ 3585.317936] Call Trace: [ 3585.325235] [] dump_stack+0xd7/0x132 [ 3585.342710] [] ? arch_local_irq_restore+0x1b/0x1b [ 3585.360527] [] ubsan_epilogue+0x12/0x53 [ 3585.377515] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3585.397492] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3585.421223] [] ? ext4_mb_free_metadata+0xa44/0xa55 [ 3585.440782] [] ext4_block_bitmap_csum_set+0x66/0x19d [ 3585.460187] [] ext4_free_blocks+0xa7d/0x17cf [ 3585.478440] [] ? vprintk_default+0x65/0x6e [ 3585.496923] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3585.519701] [] ? arch_local_irq_restore+0x6/0xd [ 3585.540142] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3585.560336] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3585.580679] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3585.597672] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3585.619879] [] ? arch_local_irq_restore+0x6/0xd [ 3585.640472] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3585.659961] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3585.678914] [] ? _cond_resched+0x19/0x23 [ 3585.696555] [] ? down_write+0xb3/0xea [ 3585.711980] [] ext4_ext_truncate+0x1ed/0x244 [ 3585.730920] [] ext4_truncate+0x5ba/0x8ce [ 3585.747930] [] ? ext4_punch_hole+0x83e/0x83e [ 3585.766289] [] ext4_setattr+0xdbb/0x11bd [ 3585.781958] [] ? ext4_journalled_write_end+0x894/0x894 [ 3585.806191] [] notify_change+0xa68/0xc5b [ 3585.825071] [] do_truncate+0x165/0x1e5 [ 3585.843425] [] ? do_truncate+0x165/0x1e5 [ 3585.858324] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3585.878522] [] path_openat+0x222a/0x2525 [ 3585.897246] [] ? qlink_to_cache+0x10/0x87 [ 3585.916368] [] ? may_open+0x1c0/0x1c0 [ 3585.940610] [] ? deactivate_slab+0x53d/0x566 [ 3585.960111] [] ? getname_flags+0x4f/0x2e0 [ 3585.979159] [] ? init_object+0x1d6/0x1e2 [ 3585.996422] [] ? expand_files+0x68a/0x6d7 [ 3586.019606] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3586.042314] [] do_filp_open+0xe2/0x18c [ 3586.058792] [] ? path_openat+0x2525/0x2525 [ 3586.075723] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3586.094120] [] ? __alloc_fd+0x43d/0x47f [ 3586.110470] [] ? exit_files+0xaa/0xaa [ 3586.126988] [] do_sys_open+0xf5/0x342 [ 3586.145206] [] ? do_sys_open+0xf5/0x342 [ 3586.164253] [] ? __do_page_fault+0x6d3/0x96b [ 3586.180742] [] ? filp_open+0x68/0x68 [ 3586.197395] [] SyS_open+0x32/0x39 [ 3586.211423] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3586.231189] ================================================================================ [ 3586.256148] ================================================================================ [ 3586.282458] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3586.300727] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3586.327698] which requires 64 byte alignment [ 3586.344240] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3586.364841] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3586.393298] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf220 ffffffffb26ec5cc [ 3586.413950] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3586.440681] ffff880000000010 ffff88009e9bf248 ffff88009e9bf1f8 ffffffffb363c3e0 [ 3586.461318] Call Trace: [ 3586.467063] [] dump_stack+0xd7/0x132 [ 3586.482600] [] ? arch_local_irq_restore+0x1b/0x1b [ 3586.503717] [] ubsan_epilogue+0x12/0x53 [ 3586.522654] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3586.546150] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3586.572017] [] ? ext4_mb_free_metadata+0xa44/0xa55 [ 3586.596270] [] ext4_block_bitmap_csum_set+0x8d/0x19d [ 3586.618181] [] ext4_free_blocks+0xa7d/0x17cf [ 3586.634138] [] ? vprintk_default+0x65/0x6e [ 3586.654086] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3586.672846] [] ? arch_local_irq_restore+0x6/0xd [ 3586.690740] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3586.710502] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3586.730828] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3586.753673] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3586.774535] [] ? arch_local_irq_restore+0x6/0xd [ 3586.793467] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3586.812842] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3586.833210] [] ? _cond_resched+0x19/0x23 [ 3586.853160] [] ? down_write+0xb3/0xea [ 3586.875971] [] ext4_ext_truncate+0x1ed/0x244 [ 3586.897284] [] ext4_truncate+0x5ba/0x8ce [ 3586.914756] [] ? ext4_punch_hole+0x83e/0x83e [ 3586.931075] [] ext4_setattr+0xdbb/0x11bd [ 3586.948283] [] ? ext4_journalled_write_end+0x894/0x894 [ 3586.968250] [] notify_change+0xa68/0xc5b [ 3586.987120] [] do_truncate+0x165/0x1e5 [ 3587.004090] [] ? do_truncate+0x165/0x1e5 [ 3587.025245] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3587.047139] [] path_openat+0x222a/0x2525 [ 3587.065077] [] ? qlink_to_cache+0x10/0x87 [ 3587.083784] [] ? may_open+0x1c0/0x1c0 [ 3587.101841] [] ? deactivate_slab+0x53d/0x566 [ 3587.122631] [] ? getname_flags+0x4f/0x2e0 [ 3587.141013] [] ? init_object+0x1d6/0x1e2 [ 3587.159008] [] ? expand_files+0x68a/0x6d7 [ 3587.174192] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3587.195501] [] do_filp_open+0xe2/0x18c [ 3587.211232] [] ? path_openat+0x2525/0x2525 [ 3587.230805] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3587.249667] [] ? __alloc_fd+0x43d/0x47f [ 3587.265986] [] ? exit_files+0xaa/0xaa [ 3587.283177] [] do_sys_open+0xf5/0x342 [ 3587.300253] [] ? do_sys_open+0xf5/0x342 [ 3587.317390] [] ? __do_page_fault+0x6d3/0x96b [ 3587.336071] [] ? filp_open+0x68/0x68 [ 3587.350260] [] SyS_open+0x32/0x39 [ 3587.366122] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3587.386502] ================================================================================ [ 3587.413988] ================================================================================ [ 3587.439845] UBSAN: Undefined behaviour in fs/ext4/bitmap.c:93:9 [ 3587.457301] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3587.487119] which requires 64 byte alignment [ 3587.501798] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3587.529764] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3587.561911] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf220 ffffffffb26ec5cc [ 3587.584642] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3587.610534] 0000000000000010 ffff88009e9bf248 ffff88009e9bf1f8 ffffffffb363c3e0 [ 3587.637392] Call Trace: [ 3587.645162] [] dump_stack+0xd7/0x132 [ 3587.661802] [] ? arch_local_irq_restore+0x1b/0x1b [ 3587.679075] [] ubsan_epilogue+0x12/0x53 [ 3587.697202] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3587.719418] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3587.741654] [] ext4_block_bitmap_csum_set+0xe6/0x19d [ 3587.759445] [] ext4_free_blocks+0xa7d/0x17cf [ 3587.784193] [] ? vprintk_default+0x65/0x6e [ 3587.812972] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3587.839755] [] ? arch_local_irq_restore+0x6/0xd [ 3587.856590] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3587.878650] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3587.900354] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3587.920317] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3587.942394] [] ? arch_local_irq_restore+0x6/0xd [ 3587.958648] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3587.981042] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3588.002060] [] ? _cond_resched+0x19/0x23 [ 3588.022398] [] ? down_write+0xb3/0xea [ 3588.039584] [] ext4_ext_truncate+0x1ed/0x244 [ 3588.055316] [] ext4_truncate+0x5ba/0x8ce [ 3588.071511] [] ? ext4_punch_hole+0x83e/0x83e [ 3588.087847] [] ext4_setattr+0xdbb/0x11bd [ 3588.106131] [] ? ext4_journalled_write_end+0x894/0x894 [ 3588.124044] [] notify_change+0xa68/0xc5b [ 3588.141723] [] do_truncate+0x165/0x1e5 [ 3588.157791] [] ? do_truncate+0x165/0x1e5 [ 3588.171516] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3588.191539] [] path_openat+0x222a/0x2525 [ 3588.209790] [] ? qlink_to_cache+0x10/0x87 [ 3588.225797] [] ? may_open+0x1c0/0x1c0 [ 3588.243887] [] ? deactivate_slab+0x53d/0x566 [ 3588.261967] [] ? getname_flags+0x4f/0x2e0 [ 3588.276662] [] ? init_object+0x1d6/0x1e2 [ 3588.291923] [] ? expand_files+0x68a/0x6d7 [ 3588.310544] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3588.330607] [] do_filp_open+0xe2/0x18c [ 3588.347215] [] ? path_openat+0x2525/0x2525 [ 3588.364228] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3588.380631] [] ? __alloc_fd+0x43d/0x47f [ 3588.398398] [] ? exit_files+0xaa/0xaa [ 3588.414256] [] do_sys_open+0xf5/0x342 [ 3588.428548] [] ? do_sys_open+0xf5/0x342 [ 3588.444760] [] ? __do_page_fault+0x6d3/0x96b [ 3588.462024] [] ? filp_open+0x68/0x68 [ 3588.476710] [] SyS_open+0x32/0x39 [ 3588.490615] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3588.510408] ================================================================================ [ 3588.534848] ================================================================================ [ 3588.562264] UBSAN: Undefined behaviour in fs/ext4/bitmap.c:95:9 [ 3588.580855] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3588.606227] which requires 64 byte alignment [ 3588.617848] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3588.641906] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3588.670776] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf220 ffffffffb26ec5cc [ 3588.691885] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3588.716711] ffff880000000010 ffff88009e9bf248 ffff88009e9bf1f8 ffffffffb363c3e0 [ 3588.739133] Call Trace: [ 3588.745292] [] dump_stack+0xd7/0x132 [ 3588.762076] [] ? arch_local_irq_restore+0x1b/0x1b [ 3588.779105] [] ubsan_epilogue+0x12/0x53 [ 3588.797147] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3588.815268] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3588.837702] [] ext4_block_bitmap_csum_set+0x14c/0x19d [ 3588.854724] [] ext4_free_blocks+0xa7d/0x17cf [ 3588.872495] [] ? vprintk_default+0x65/0x6e [ 3588.891219] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3588.910853] [] ? arch_local_irq_restore+0x6/0xd [ 3588.928821] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3588.949572] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3588.968808] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3588.986986] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3589.007432] [] ? arch_local_irq_restore+0x6/0xd [ 3589.025806] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3589.047091] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3589.066763] [] ? _cond_resched+0x19/0x23 [ 3589.083750] [] ? down_write+0xb3/0xea [ 3589.098097] [] ext4_ext_truncate+0x1ed/0x244 [ 3589.114036] [] ext4_truncate+0x5ba/0x8ce [ 3589.135856] [] ? ext4_punch_hole+0x83e/0x83e [ 3589.170479] [] ext4_setattr+0xdbb/0x11bd [ 3589.187524] [] ? ext4_journalled_write_end+0x894/0x894 [ 3589.207570] [] notify_change+0xa68/0xc5b [ 3589.223311] [] do_truncate+0x165/0x1e5 [ 3589.240208] [] ? do_truncate+0x165/0x1e5 [ 3589.257661] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3589.275390] [] path_openat+0x222a/0x2525 [ 3589.293703] [] ? qlink_to_cache+0x10/0x87 [ 3589.308350] [] ? may_open+0x1c0/0x1c0 [ 3589.321600] [] ? deactivate_slab+0x53d/0x566 [ 3589.339248] [] ? getname_flags+0x4f/0x2e0 [ 3589.354017] [] ? init_object+0x1d6/0x1e2 [ 3589.369808] [] ? expand_files+0x68a/0x6d7 [ 3589.414296] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3589.442766] [] do_filp_open+0xe2/0x18c [ 3589.460124] [] ? path_openat+0x2525/0x2525 [ 3589.484817] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3589.502438] [] ? __alloc_fd+0x43d/0x47f [ 3589.518006] [] ? exit_files+0xaa/0xaa [ 3589.533960] [] do_sys_open+0xf5/0x342 [ 3589.548932] [] ? do_sys_open+0xf5/0x342 [ 3589.565887] [] ? __do_page_fault+0x6d3/0x96b [ 3589.585349] [] ? filp_open+0x68/0x68 [ 3589.598897] [] SyS_open+0x32/0x39 [ 3589.621625] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3589.642020] ================================================================================ [ 3589.666988] ================================================================================ [ 3589.693066] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4870:9 [ 3589.710765] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3589.740008] which requires 64 byte alignment [ 3589.749737] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3589.768491] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3589.798769] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3589.823340] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3589.845439] ffff880000000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3589.868078] Call Trace: [ 3589.877280] [] dump_stack+0xd7/0x132 [ 3589.894845] [] ? arch_local_irq_restore+0x1b/0x1b [ 3589.915376] [] ubsan_epilogue+0x12/0x53 [ 3589.930887] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3589.952329] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3589.972782] [] ext4_free_blocks+0x11da/0x17cf [ 3589.992599] [] ? vprintk_default+0x65/0x6e [ 3590.008484] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3590.028643] [] ? arch_local_irq_restore+0x6/0xd [ 3590.052474] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3590.074856] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3590.099167] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3590.128835] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3590.166750] [] ? arch_local_irq_restore+0x6/0xd [ 3590.189863] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3590.211614] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3590.232553] [] ? _cond_resched+0x19/0x23 [ 3590.258728] [] ? down_write+0xb3/0xea [ 3590.275111] [] ext4_ext_truncate+0x1ed/0x244 [ 3590.295623] [] ext4_truncate+0x5ba/0x8ce [ 3590.313093] [] ? ext4_punch_hole+0x83e/0x83e [ 3590.333923] [] ext4_setattr+0xdbb/0x11bd [ 3590.351030] [] ? ext4_journalled_write_end+0x894/0x894 [ 3590.376219] [] notify_change+0xa68/0xc5b [ 3590.395499] [] do_truncate+0x165/0x1e5 [ 3590.416471] [] ? do_truncate+0x165/0x1e5 [ 3590.441282] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3590.467762] [] path_openat+0x222a/0x2525 [ 3590.485173] [] ? qlink_to_cache+0x10/0x87 [ 3590.508694] [] ? may_open+0x1c0/0x1c0 [ 3590.529596] [] ? deactivate_slab+0x53d/0x566 [ 3590.547582] [] ? getname_flags+0x4f/0x2e0 [ 3590.565429] [] ? init_object+0x1d6/0x1e2 [ 3590.585758] [] ? expand_files+0x68a/0x6d7 [ 3590.603990] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3590.627442] [] do_filp_open+0xe2/0x18c [ 3590.648753] [] ? path_openat+0x2525/0x2525 [ 3590.673373] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3590.698361] [] ? __alloc_fd+0x43d/0x47f [ 3590.718095] [] ? exit_files+0xaa/0xaa [ 3590.738017] [] do_sys_open+0xf5/0x342 [ 3590.760302] [] ? do_sys_open+0xf5/0x342 [ 3590.777485] [] ? __do_page_fault+0x6d3/0x96b [ 3590.797188] [] ? filp_open+0x68/0x68 [ 3590.813037] [] SyS_open+0x32/0x39 [ 3590.852701] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3590.886483] ================================================================================ [ 3590.912274] ================================================================================ [ 3590.940186] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2836:27 [ 3590.965940] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3590.999384] which requires 64 byte alignment [ 3591.015104] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3591.038734] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3591.066882] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf238 ffffffffb26ec5cc [ 3591.089593] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3591.113407] ffff880000000010 ffff88009e9bf260 ffff88009e9bf210 ffffffffb363c3e0 [ 3591.133492] Call Trace: [ 3591.143722] [] dump_stack+0xd7/0x132 [ 3591.159888] [] ? arch_local_irq_restore+0x1b/0x1b [ 3591.181403] [] ubsan_epilogue+0x12/0x53 [ 3591.199058] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3591.219655] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3591.248186] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3591.273696] [] ext4_flex_group+0x2b/0x69 [ 3591.295763] [] ext4_free_blocks+0x11f3/0x17cf [ 3591.318381] [] ? vprintk_default+0x65/0x6e [ 3591.345029] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3591.367084] [] ? arch_local_irq_restore+0x6/0xd [ 3591.387395] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3591.410424] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3591.429417] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3591.452213] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3591.471943] [] ? arch_local_irq_restore+0x6/0xd [ 3591.490836] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3591.509968] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3591.527251] [] ? _cond_resched+0x19/0x23 [ 3591.543177] [] ? down_write+0xb3/0xea [ 3591.562491] [] ext4_ext_truncate+0x1ed/0x244 [ 3591.577132] [] ext4_truncate+0x5ba/0x8ce [ 3591.595269] [] ? ext4_punch_hole+0x83e/0x83e [ 3591.612774] [] ext4_setattr+0xdbb/0x11bd [ 3591.627596] [] ? ext4_journalled_write_end+0x894/0x894 [ 3591.647935] [] notify_change+0xa68/0xc5b [ 3591.665533] [] do_truncate+0x165/0x1e5 [ 3591.682160] [] ? do_truncate+0x165/0x1e5 [ 3591.703464] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3591.723348] [] path_openat+0x222a/0x2525 [ 3591.739965] [] ? qlink_to_cache+0x10/0x87 [ 3591.757333] [] ? may_open+0x1c0/0x1c0 [ 3591.770984] [] ? deactivate_slab+0x53d/0x566 [ 3591.787833] [] ? getname_flags+0x4f/0x2e0 [ 3591.803700] [] ? init_object+0x1d6/0x1e2 [ 3591.817266] [] ? expand_files+0x68a/0x6d7 [ 3591.833646] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3591.859086] [] do_filp_open+0xe2/0x18c [ 3591.874548] [] ? path_openat+0x2525/0x2525 [ 3591.892102] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3591.911690] [] ? __alloc_fd+0x43d/0x47f [ 3591.927236] [] ? exit_files+0xaa/0xaa [ 3591.948951] [] do_sys_open+0xf5/0x342 [ 3591.968586] [] ? do_sys_open+0xf5/0x342 [ 3591.985083] [] ? __do_page_fault+0x6d3/0x96b [ 3592.000181] [] ? filp_open+0x68/0x68 [ 3592.017042] [] SyS_open+0x32/0x39 [ 3592.032631] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3592.055708] ================================================================================ [ 3592.083006] ================================================================================ [ 3592.108118] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4873:13 [ 3592.125784] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3592.160312] which requires 64 byte alignment [ 3592.170735] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3592.191305] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3592.220863] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3592.245896] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3592.268786] ffffffff00000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3592.291581] Call Trace: [ 3592.300074] [] dump_stack+0xd7/0x132 [ 3592.319062] [] ? arch_local_irq_restore+0x1b/0x1b [ 3592.342888] [] ubsan_epilogue+0x12/0x53 [ 3592.361573] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3592.385089] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3592.408485] [] ext4_free_blocks+0x120f/0x17cf [ 3592.426834] [] ? vprintk_default+0x65/0x6e [ 3592.450238] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3592.475099] [] ? arch_local_irq_restore+0x6/0xd [ 3592.501031] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3592.531484] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3592.556997] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3592.576857] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3592.600542] [] ? arch_local_irq_restore+0x6/0xd [ 3592.625307] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3592.654986] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3592.676068] [] ? _cond_resched+0x19/0x23 [ 3592.696490] [] ? down_write+0xb3/0xea [ 3592.719807] [] ext4_ext_truncate+0x1ed/0x244 [ 3592.755822] [] ext4_truncate+0x5ba/0x8ce [ 3592.775061] [] ? ext4_punch_hole+0x83e/0x83e [ 3592.793165] [] ext4_setattr+0xdbb/0x11bd [ 3592.810621] [] ? ext4_journalled_write_end+0x894/0x894 [ 3592.830127] [] notify_change+0xa68/0xc5b [ 3592.847165] [] do_truncate+0x165/0x1e5 [ 3592.863740] [] ? do_truncate+0x165/0x1e5 [ 3592.880397] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3592.899317] [] path_openat+0x222a/0x2525 [ 3592.917073] [] ? qlink_to_cache+0x10/0x87 [ 3592.933400] [] ? may_open+0x1c0/0x1c0 [ 3592.947498] [] ? deactivate_slab+0x53d/0x566 [ 3592.966791] [] ? getname_flags+0x4f/0x2e0 [ 3592.986943] [] ? init_object+0x1d6/0x1e2 [ 3593.006998] [] ? expand_files+0x68a/0x6d7 [ 3593.024714] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3593.049781] [] do_filp_open+0xe2/0x18c [ 3593.068327] [] ? path_openat+0x2525/0x2525 [ 3593.089491] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3593.110388] [] ? __alloc_fd+0x43d/0x47f [ 3593.129755] [] ? exit_files+0xaa/0xaa [ 3593.148745] [] do_sys_open+0xf5/0x342 [ 3593.167185] [] ? do_sys_open+0xf5/0x342 [ 3593.187234] [] ? __do_page_fault+0x6d3/0x96b [ 3593.203328] [] ? filp_open+0x68/0x68 [ 3593.221821] [] SyS_open+0x32/0x39 [ 3593.239778] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3593.260419] ================================================================================ [ 3593.286175] ================================================================================ [ 3593.309842] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4877:27 [ 3593.332096] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3593.368280] which requires 64 byte alignment [ 3593.385908] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3593.410797] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3593.445016] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3593.470120] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3593.496646] ffffffff00000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3593.519848] Call Trace: [ 3593.527190] [] dump_stack+0xd7/0x132 [ 3593.544869] [] ? arch_local_irq_restore+0x1b/0x1b [ 3593.563439] [] ubsan_epilogue+0x12/0x53 [ 3593.578997] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3593.598245] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3593.618561] [] ext4_free_blocks+0x1254/0x17cf [ 3593.636931] [] ? vprintk_default+0x65/0x6e [ 3593.651040] [] ? ext4_mb_new_blocks+0x209c/0x209c [ 3593.671026] [] ? arch_local_irq_restore+0x6/0xd [ 3593.689942] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3593.739782] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3593.761794] [] ext4_ext_remove_space+0x1892/0x2d74 [ 3593.782497] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3593.803975] [] ? arch_local_irq_restore+0x6/0xd [ 3593.819726] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3593.843090] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3593.868170] [] ? _cond_resched+0x19/0x23 [ 3593.885349] [] ? down_write+0xb3/0xea [ 3593.899455] [] ext4_ext_truncate+0x1ed/0x244 [ 3593.918826] [] ext4_truncate+0x5ba/0x8ce [ 3593.935483] [] ? ext4_punch_hole+0x83e/0x83e [ 3593.951176] [] ext4_setattr+0xdbb/0x11bd [ 3593.968889] [] ? ext4_journalled_write_end+0x894/0x894 [ 3593.989039] [] notify_change+0xa68/0xc5b [ 3594.008191] [] do_truncate+0x165/0x1e5 [ 3594.023158] [] ? do_truncate+0x165/0x1e5 [ 3594.039403] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3594.058983] [] path_openat+0x222a/0x2525 [ 3594.074805] [] ? qlink_to_cache+0x10/0x87 [ 3594.092876] [] ? may_open+0x1c0/0x1c0 [ 3594.143608] [] ? deactivate_slab+0x53d/0x566 [ 3594.164009] [] ? getname_flags+0x4f/0x2e0 [ 3594.182713] [] ? init_object+0x1d6/0x1e2 [ 3594.202254] [] ? expand_files+0x68a/0x6d7 [ 3594.224232] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3594.245306] [] do_filp_open+0xe2/0x18c [ 3594.261568] [] ? path_openat+0x2525/0x2525 [ 3594.279899] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3594.296740] [] ? __alloc_fd+0x43d/0x47f [ 3594.313581] [] ? exit_files+0xaa/0xaa [ 3594.330279] [] do_sys_open+0xf5/0x342 [ 3594.347855] [] ? do_sys_open+0xf5/0x342 [ 3594.364579] [] ? __do_page_fault+0x6d3/0x96b [ 3594.380710] [] ? filp_open+0x68/0x68 [ 3594.395115] [] SyS_open+0x32/0x39 [ 3594.410214] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3594.428134] ================================================================================ [ 3594.453305] ================================================================================ [ 3594.479599] UBSAN: Undefined behaviour in fs/ext4/extents.c:2583:7 [ 3594.497584] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3594.521115] which requires 64 byte alignment [ 3594.534389] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3594.554015] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3594.580044] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf470 ffffffffb26ec5cc [ 3594.600855] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3594.622252] ffff880000000010 ffff88009e9bf498 ffff88009e9bf448 ffffffffb363c3e0 [ 3594.647155] Call Trace: [ 3594.654883] [] dump_stack+0xd7/0x132 [ 3594.668098] [] ? arch_local_irq_restore+0x1b/0x1b [ 3594.686103] [] ubsan_epilogue+0x12/0x53 [ 3594.702842] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3594.724004] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3594.745991] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3594.765769] [] ext4_ext_remove_space+0x18ac/0x2d74 [ 3594.786874] [] ? ext4_ext_index_trans_blocks+0x84/0x84 [ 3594.805523] [] ? arch_local_irq_restore+0x6/0xd [ 3594.821324] [] ? ext4_es_remove_extent+0x16f/0x238 [ 3594.840025] [] ? ext4_es_lookup_extent+0x73e/0x73e [ 3594.859259] [] ? _cond_resched+0x19/0x23 [ 3594.875604] [] ? down_write+0xb3/0xea [ 3594.889488] [] ext4_ext_truncate+0x1ed/0x244 [ 3594.906827] [] ext4_truncate+0x5ba/0x8ce [ 3594.923219] [] ? ext4_punch_hole+0x83e/0x83e [ 3594.939675] [] ext4_setattr+0xdbb/0x11bd [ 3594.957300] [] ? ext4_journalled_write_end+0x894/0x894 [ 3594.977266] [] notify_change+0xa68/0xc5b [ 3594.991819] [] do_truncate+0x165/0x1e5 [ 3595.006858] [] ? do_truncate+0x165/0x1e5 [ 3595.024029] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3595.043945] [] path_openat+0x222a/0x2525 [ 3595.058085] [] ? qlink_to_cache+0x10/0x87 [ 3595.074126] [] ? may_open+0x1c0/0x1c0 [ 3595.090236] [] ? deactivate_slab+0x53d/0x566 [ 3595.105669] [] ? getname_flags+0x4f/0x2e0 [ 3595.125583] [] ? init_object+0x1d6/0x1e2 [ 3595.139700] [] ? expand_files+0x68a/0x6d7 [ 3595.155768] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3595.174561] [] do_filp_open+0xe2/0x18c [ 3595.190433] [] ? path_openat+0x2525/0x2525 [ 3595.207189] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3595.225620] [] ? __alloc_fd+0x43d/0x47f [ 3595.243582] [] ? exit_files+0xaa/0xaa [ 3595.258352] [] do_sys_open+0xf5/0x342 [ 3595.271875] [] ? do_sys_open+0xf5/0x342 [ 3595.288189] [] ? __do_page_fault+0x6d3/0x96b [ 3595.305488] [] ? filp_open+0x68/0x68 [ 3595.318682] [] SyS_open+0x32/0x39 [ 3595.333833] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3595.349985] ================================================================================ [ 3595.372154] ================================================================================ [ 3595.396958] UBSAN: Undefined behaviour in fs/ext4/inode.c:4173:6 [ 3595.412607] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3595.440420] which requires 64 byte alignment [ 3595.452760] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3595.476378] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3595.503065] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf758 ffffffffb26ec5cc [ 3595.526702] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3595.547037] 0000000000000010 ffff88009e9bf780 ffff88009e9bf730 ffffffffb363c3e0 [ 3595.569070] Call Trace: [ 3595.577640] [] dump_stack+0xd7/0x132 [ 3595.598308] [] ? arch_local_irq_restore+0x1b/0x1b [ 3595.622339] [] ubsan_epilogue+0x12/0x53 [ 3595.639922] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3595.663354] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3595.683464] [] ? ext4_ext_truncate+0x237/0x244 [ 3595.698955] [] ext4_truncate+0x618/0x8ce [ 3595.724927] [] ? ext4_punch_hole+0x83e/0x83e [ 3595.755239] [] ext4_setattr+0xdbb/0x11bd [ 3595.776409] [] ? ext4_journalled_write_end+0x894/0x894 [ 3595.796370] [] notify_change+0xa68/0xc5b [ 3595.816329] [] do_truncate+0x165/0x1e5 [ 3595.837843] [] ? do_truncate+0x165/0x1e5 [ 3595.858051] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3595.882835] [] path_openat+0x222a/0x2525 [ 3595.897572] [] ? qlink_to_cache+0x10/0x87 [ 3595.917647] [] ? may_open+0x1c0/0x1c0 [ 3595.933983] [] ? deactivate_slab+0x53d/0x566 [ 3595.949083] [] ? getname_flags+0x4f/0x2e0 [ 3595.971056] [] ? init_object+0x1d6/0x1e2 [ 3595.989902] [] ? expand_files+0x68a/0x6d7 [ 3596.005395] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3596.028627] [] do_filp_open+0xe2/0x18c [ 3596.055231] [] ? path_openat+0x2525/0x2525 [ 3596.077942] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3596.097411] [] ? __alloc_fd+0x43d/0x47f [ 3596.112383] [] ? exit_files+0xaa/0xaa [ 3596.127986] [] do_sys_open+0xf5/0x342 [ 3596.142787] [] ? do_sys_open+0xf5/0x342 [ 3596.157950] [] ? __do_page_fault+0x6d3/0x96b [ 3596.176082] [] ? filp_open+0x68/0x68 [ 3596.189456] [] SyS_open+0x32/0x39 [ 3596.205568] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3596.226454] ================================================================================ [ 3596.249877] ================================================================================ [ 3596.279836] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3596.304658] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3596.335532] which requires 64 byte alignment [ 3596.354304] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3596.374762] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3596.406171] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf608 ffffffffb26ec5cc [ 3596.425800] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3596.448875] 0000000000000010 ffff88009e9bf630 ffff88009e9bf5e0 ffffffffb363c3e0 [ 3596.469441] Call Trace: [ 3596.476379] [] dump_stack+0xd7/0x132 [ 3596.499220] [] ? arch_local_irq_restore+0x1b/0x1b [ 3596.518084] [] ubsan_epilogue+0x12/0x53 [ 3596.534371] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3596.552806] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3596.573873] [] ? vprintk_default+0x65/0x6e [ 3596.594048] [] ext4_orphan_del+0xf5/0x68c [ 3596.612888] [] ? ubsan_epilogue+0x26/0x53 [ 3596.628757] [] ? ext4_unlink+0x7d8/0x7d8 [ 3596.649066] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3596.670193] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3596.690102] [] ? ext4_ext_truncate+0x237/0x244 [ 3596.706900] [] ext4_truncate+0x6a1/0x8ce [ 3596.728199] [] ? ext4_punch_hole+0x83e/0x83e [ 3596.746578] [] ext4_setattr+0xdbb/0x11bd [ 3596.763402] [] ? ext4_journalled_write_end+0x894/0x894 [ 3596.781822] [] notify_change+0xa68/0xc5b [ 3596.802846] [] do_truncate+0x165/0x1e5 [ 3596.821006] [] ? do_truncate+0x165/0x1e5 [ 3596.838359] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3596.858299] [] path_openat+0x222a/0x2525 [ 3596.875541] [] ? qlink_to_cache+0x10/0x87 [ 3596.890590] [] ? may_open+0x1c0/0x1c0 [ 3596.906033] [] ? deactivate_slab+0x53d/0x566 [ 3596.924091] [] ? getname_flags+0x4f/0x2e0 [ 3596.941905] [] ? init_object+0x1d6/0x1e2 [ 3596.957870] [] ? expand_files+0x68a/0x6d7 [ 3596.973554] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3596.995205] [] do_filp_open+0xe2/0x18c [ 3597.009554] [] ? path_openat+0x2525/0x2525 [ 3597.025484] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3597.043399] [] ? __alloc_fd+0x43d/0x47f [ 3597.058770] [] ? exit_files+0xaa/0xaa [ 3597.074124] [] do_sys_open+0xf5/0x342 [ 3597.089749] [] ? do_sys_open+0xf5/0x342 [ 3597.108180] [] ? __do_page_fault+0x6d3/0x96b [ 3597.124137] [] ? filp_open+0x68/0x68 [ 3597.138345] [] SyS_open+0x32/0x39 [ 3597.150825] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3597.175385] ================================================================================ [ 3597.204709] ================================================================================ [ 3597.232347] UBSAN: Undefined behaviour in fs/ext4/namei.c:2858:10 [ 3597.255644] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3597.283443] which requires 64 byte alignment [ 3597.299113] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3597.321189] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3597.355591] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf608 ffffffffb26ec5cc [ 3597.382000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3597.405322] ffffffff00000010 ffff88009e9bf630 ffff88009e9bf5e0 ffffffffb363c3e0 [ 3597.431731] Call Trace: [ 3597.439795] [] dump_stack+0xd7/0x132 [ 3597.456546] [] ? arch_local_irq_restore+0x1b/0x1b [ 3597.475389] [] ubsan_epilogue+0x12/0x53 [ 3597.495939] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3597.519728] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3597.545205] [] ? vprintk_default+0x65/0x6e [ 3597.565602] [] ext4_orphan_del+0x124/0x68c [ 3597.582039] [] ? ubsan_epilogue+0x26/0x53 [ 3597.602135] [] ? ext4_unlink+0x7d8/0x7d8 [ 3597.624696] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3597.645102] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3597.669063] [] ? ext4_ext_truncate+0x237/0x244 [ 3597.688455] [] ext4_truncate+0x6a1/0x8ce [ 3597.708244] [] ? ext4_punch_hole+0x83e/0x83e [ 3597.728225] [] ext4_setattr+0xdbb/0x11bd [ 3597.750874] [] ? ext4_journalled_write_end+0x894/0x894 [ 3597.771045] [] notify_change+0xa68/0xc5b [ 3597.789709] [] do_truncate+0x165/0x1e5 [ 3597.807560] [] ? do_truncate+0x165/0x1e5 [ 3597.825121] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3597.847587] [] path_openat+0x222a/0x2525 [ 3597.866129] [] ? qlink_to_cache+0x10/0x87 [ 3597.887395] [] ? may_open+0x1c0/0x1c0 [ 3597.905021] [] ? deactivate_slab+0x53d/0x566 [ 3597.923869] [] ? getname_flags+0x4f/0x2e0 [ 3597.944260] [] ? init_object+0x1d6/0x1e2 [ 3597.963350] [] ? expand_files+0x68a/0x6d7 [ 3597.979628] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3598.003504] [] do_filp_open+0xe2/0x18c [ 3598.020309] [] ? path_openat+0x2525/0x2525 [ 3598.042259] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3598.062540] [] ? __alloc_fd+0x43d/0x47f [ 3598.078772] [] ? exit_files+0xaa/0xaa [ 3598.097787] [] do_sys_open+0xf5/0x342 [ 3598.113252] [] ? do_sys_open+0xf5/0x342 [ 3598.132127] [] ? __do_page_fault+0x6d3/0x96b [ 3598.150684] [] ? filp_open+0x68/0x68 [ 3598.168033] [] SyS_open+0x32/0x39 [ 3598.184406] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3598.204021] ================================================================================ [ 3598.234187] ================================================================================ [ 3598.262430] UBSAN: Undefined behaviour in fs/ext4/namei.c:2891:9 [ 3598.283654] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3598.309718] which requires 64 byte alignment [ 3598.323544] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3598.360811] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3598.388632] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf608 ffffffffb26ec5cc [ 3598.411750] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3598.436495] ffff880000000010 ffff88009e9bf630 ffff88009e9bf5e0 ffffffffb363c3e0 [ 3598.458312] Call Trace: [ 3598.464740] [] dump_stack+0xd7/0x132 [ 3598.481644] [] ? arch_local_irq_restore+0x1b/0x1b [ 3598.499601] [] ubsan_epilogue+0x12/0x53 [ 3598.514677] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3598.533877] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3598.555556] [] ? __list_add+0x249/0x249 [ 3598.570533] [] ext4_orphan_del+0x3ea/0x68c [ 3598.595180] [] ? ext4_unlink+0x7d8/0x7d8 [ 3598.610451] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3598.631217] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3598.657113] [] ? ext4_ext_truncate+0x237/0x244 [ 3598.673722] [] ext4_truncate+0x6a1/0x8ce [ 3598.689084] [] ? ext4_punch_hole+0x83e/0x83e [ 3598.705758] [] ext4_setattr+0xdbb/0x11bd [ 3598.719205] [] ? ext4_journalled_write_end+0x894/0x894 [ 3598.760561] [] notify_change+0xa68/0xc5b [ 3598.779798] [] do_truncate+0x165/0x1e5 [ 3598.794075] [] ? do_truncate+0x165/0x1e5 [ 3598.811017] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3598.833134] [] path_openat+0x222a/0x2525 [ 3598.849843] [] ? qlink_to_cache+0x10/0x87 [ 3598.866828] [] ? may_open+0x1c0/0x1c0 [ 3598.883660] [] ? deactivate_slab+0x53d/0x566 [ 3598.899642] [] ? getname_flags+0x4f/0x2e0 [ 3598.915322] [] ? init_object+0x1d6/0x1e2 [ 3598.930533] [] ? expand_files+0x68a/0x6d7 [ 3598.947554] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3598.969628] [] do_filp_open+0xe2/0x18c [ 3598.986584] [] ? path_openat+0x2525/0x2525 [ 3599.003701] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3599.020962] [] ? __alloc_fd+0x43d/0x47f [ 3599.038421] [] ? exit_files+0xaa/0xaa [ 3599.052635] [] do_sys_open+0xf5/0x342 [ 3599.065812] [] ? do_sys_open+0xf5/0x342 [ 3599.084453] [] ? __do_page_fault+0x6d3/0x96b [ 3599.102695] [] ? filp_open+0x68/0x68 [ 3599.117520] [] SyS_open+0x32/0x39 [ 3599.131607] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3599.153460] ================================================================================ [ 3599.179379] ================================================================================ [ 3599.210361] UBSAN: Undefined behaviour in fs/ext4/namei.c:2896:6 [ 3599.230606] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3599.259129] which requires 64 byte alignment [ 3599.270277] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3599.297242] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3599.325562] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf608 ffffffffb26ec5cc [ 3599.350276] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3599.377840] ffff880000000010 ffff88009e9bf630 ffff88009e9bf5e0 ffffffffb363c3e0 [ 3599.402138] Call Trace: [ 3599.411397] [] dump_stack+0xd7/0x132 [ 3599.425022] [] ? arch_local_irq_restore+0x1b/0x1b [ 3599.448186] [] ubsan_epilogue+0x12/0x53 [ 3599.467896] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3599.487738] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3599.507911] [] ext4_orphan_del+0x43b/0x68c [ 3599.522388] [] ? ext4_unlink+0x7d8/0x7d8 [ 3599.538257] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3599.559647] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3599.579068] [] ? ext4_ext_truncate+0x237/0x244 [ 3599.598015] [] ext4_truncate+0x6a1/0x8ce [ 3599.615083] [] ? ext4_punch_hole+0x83e/0x83e [ 3599.630880] [] ext4_setattr+0xdbb/0x11bd [ 3599.647986] [] ? ext4_journalled_write_end+0x894/0x894 [ 3599.670676] [] notify_change+0xa68/0xc5b [ 3599.689080] [] do_truncate+0x165/0x1e5 [ 3599.707634] [] ? do_truncate+0x165/0x1e5 [ 3599.724862] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3599.750240] [] path_openat+0x222a/0x2525 [ 3599.771417] [] ? qlink_to_cache+0x10/0x87 [ 3599.792521] [] ? may_open+0x1c0/0x1c0 [ 3599.810887] [] ? deactivate_slab+0x53d/0x566 [ 3599.829908] [] ? getname_flags+0x4f/0x2e0 [ 3599.854538] [] ? init_object+0x1d6/0x1e2 [ 3599.874814] [] ? expand_files+0x68a/0x6d7 [ 3599.894270] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3599.918600] [] do_filp_open+0xe2/0x18c [ 3599.937012] [] ? path_openat+0x2525/0x2525 [ 3599.956740] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3599.975590] [] ? __alloc_fd+0x43d/0x47f [ 3599.989021] [] ? exit_files+0xaa/0xaa [ 3600.003847] [] do_sys_open+0xf5/0x342 [ 3600.016875] [] ? do_sys_open+0xf5/0x342 [ 3600.034660] [] ? __do_page_fault+0x6d3/0x96b [ 3600.049218] [] ? filp_open+0x68/0x68 [ 3600.064431] [] SyS_open+0x32/0x39 [ 3600.080660] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3600.098197] ================================================================================ [ 3600.120679] ================================================================================ [ 3600.147571] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1529:21 [ 3600.166456] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3600.197005] which requires 64 byte alignment [ 3600.213659] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3600.237741] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3600.268779] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf720 ffffffffb26ec5cc [ 3600.296150] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3600.319121] 0000000000000010 ffff88009e9bf748 ffff88009e9bf6f8 ffffffffb363c3e0 [ 3600.340542] Call Trace: [ 3600.349038] [] dump_stack+0xd7/0x132 [ 3600.363117] [] ? arch_local_irq_restore+0x1b/0x1b [ 3600.380086] [] ubsan_epilogue+0x12/0x53 [ 3600.394065] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3600.410245] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3600.430648] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3600.448263] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3600.469131] [] ext4_current_time+0x55/0xc2 [ 3600.487273] [] ext4_truncate+0x6d0/0x8ce [ 3600.504219] [] ? ext4_punch_hole+0x83e/0x83e [ 3600.518832] [] ext4_setattr+0xdbb/0x11bd [ 3600.536504] [] ? ext4_journalled_write_end+0x894/0x894 [ 3600.557037] [] notify_change+0xa68/0xc5b [ 3600.574876] [] do_truncate+0x165/0x1e5 [ 3600.590102] [] ? do_truncate+0x165/0x1e5 [ 3600.610846] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3600.634291] [] path_openat+0x222a/0x2525 [ 3600.661625] [] ? qlink_to_cache+0x10/0x87 [ 3600.682031] [] ? may_open+0x1c0/0x1c0 [ 3600.705299] [] ? deactivate_slab+0x53d/0x566 [ 3600.731434] [] ? getname_flags+0x4f/0x2e0 [ 3600.756823] [] ? init_object+0x1d6/0x1e2 [ 3600.776946] [] ? expand_files+0x68a/0x6d7 [ 3600.795034] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3600.821956] [] do_filp_open+0xe2/0x18c [ 3600.844815] [] ? path_openat+0x2525/0x2525 [ 3600.867729] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3600.895188] [] ? __alloc_fd+0x43d/0x47f [ 3600.917078] [] ? exit_files+0xaa/0xaa [ 3600.937550] [] do_sys_open+0xf5/0x342 [ 3600.958670] [] ? do_sys_open+0xf5/0x342 [ 3600.977145] [] ? __do_page_fault+0x6d3/0x96b [ 3601.000845] [] ? filp_open+0x68/0x68 [ 3601.018122] [] SyS_open+0x32/0x39 [ 3601.043240] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3601.074994] ================================================================================ [ 3601.122743] ================================================================================ [ 3601.180678] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3601.219272] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3601.267233] which requires 64 byte alignment [ 3601.297927] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3601.337741] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3601.391073] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf7d0 ffffffffb26ec5cc [ 3601.430890] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3601.479198] ffff880000000010 ffff88009e9bf7f8 ffff88009e9bf7a8 ffffffffb363c3e0 [ 3601.522237] Call Trace: [ 3601.537249] [] dump_stack+0xd7/0x132 [ 3601.571992] [] ? arch_local_irq_restore+0x1b/0x1b [ 3601.610599] [] ubsan_epilogue+0x12/0x53 [ 3601.637813] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3601.679818] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3601.722933] [] ? jbd2_buffer_abort_trigger+0x9f/0x9f [ 3601.756763] [] ext4_nonda_switch+0x34/0x1cf [ 3601.788666] [] ext4_da_write_begin+0xfe/0x683 [ 3601.824432] [] ? fault_in_multipages_readable+0xeb/0x122 [ 3601.871578] [] ? ext4_write_begin+0x699/0x699 [ 3601.911159] [] generic_perform_write+0x341/0x51a [ 3601.945477] [] ? try_to_release_page+0x18a/0x18a [ 3601.979984] [] ? file_update_time+0x299/0x2f2 [ 3602.011707] [] ? inode_sb_list_add+0xf2/0xf2 [ 3602.049822] [] __generic_file_write_iter+0x344/0x40f [ 3602.088901] [] ext4_file_write_iter+0x99e/0xd10 [ 3602.127337] [] ? ext4_dax_fault+0x360/0x360 [ 3602.157038] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3602.206252] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3602.237745] [] ? init_object+0x1d6/0x1e2 [ 3602.266083] [] new_sync_write+0x16e/0x21c [ 3602.304964] [] ? new_sync_write+0x16e/0x21c [ 3602.344256] [] ? new_sync_write.part.9+0x1c/0x1c [ 3602.374765] [] ? aa_end_current_label+0x29/0x2c [ 3602.420202] [] __vfs_write+0x12c/0x145 [ 3602.450089] [] vfs_write+0x135/0x220 [ 3602.485517] [] SyS_write+0xec/0x174 [ 3602.526113] [] ? SyS_read+0x174/0x174 [ 3602.551686] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3602.605795] ================================================================================ [ 3602.708240] ================================================================================ [ 3602.771123] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3602.800582] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3602.861475] which requires 64 byte alignment [ 3602.883809] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3602.936349] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3602.996924] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf808 ffffffffb26ec5cc [ 3603.037668] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3603.095374] ffff880000000010 ffff88009e9bf830 ffff88009e9bf7e0 ffffffffb363c3e0 [ 3603.141507] Call Trace: [ 3603.160753] [] dump_stack+0xd7/0x132 [ 3603.185933] [] ? arch_local_irq_restore+0x1b/0x1b [ 3603.232082] [] ubsan_epilogue+0x12/0x53 [ 3603.260531] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3603.308917] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3603.337320] [] ? page_waitqueue+0x125/0x141 [ 3603.382414] [] ext4_da_write_begin+0x352/0x683 [ 3603.414378] [] ? ext4_write_begin+0x699/0x699 [ 3603.443101] [] generic_perform_write+0x341/0x51a [ 3603.487726] [] ? try_to_release_page+0x18a/0x18a [ 3603.526351] [] ? file_update_time+0x299/0x2f2 [ 3603.555753] [] ? inode_sb_list_add+0xf2/0xf2 [ 3603.586803] [] __generic_file_write_iter+0x344/0x40f [ 3603.640976] [] ext4_file_write_iter+0x99e/0xd10 [ 3603.676296] [] ? ext4_dax_fault+0x360/0x360 [ 3603.716957] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3603.757140] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3603.798820] [] ? init_object+0x1d6/0x1e2 [ 3603.829511] [] new_sync_write+0x16e/0x21c [ 3603.864818] [] ? new_sync_write+0x16e/0x21c [ 3603.902917] [] ? new_sync_write.part.9+0x1c/0x1c [ 3603.937780] [] ? aa_end_current_label+0x29/0x2c [ 3603.974721] [] __vfs_write+0x12c/0x145 [ 3604.012416] [] vfs_write+0x135/0x220 [ 3604.041698] [] SyS_write+0xec/0x174 [ 3604.073636] [] ? SyS_read+0x174/0x174 [ 3604.108463] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3604.139457] ================================================================================ [ 3604.197937] ================================================================================ [ 3604.242273] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1763:1 [ 3604.275063] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3604.340236] which requires 64 byte alignment [ 3604.367687] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3604.412931] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3604.474653] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf808 ffffffffb26ec5cc [ 3604.518221] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3604.567118] ffffffff00000010 ffff88009e9bf830 ffff88009e9bf7e0 ffffffffb363c3e0 [ 3604.606784] Call Trace: [ 3604.624686] [] dump_stack+0xd7/0x132 [ 3604.658294] [] ? arch_local_irq_restore+0x1b/0x1b [ 3604.695613] [] ubsan_epilogue+0x12/0x53 [ 3604.724498] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3604.766006] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3604.804908] [] ? page_waitqueue+0x125/0x141 [ 3604.837823] [] ext4_da_write_begin+0x37f/0x683 [ 3604.867358] [] ? ext4_write_begin+0x699/0x699 [ 3604.906126] [] generic_perform_write+0x341/0x51a [ 3604.940299] [] ? try_to_release_page+0x18a/0x18a [ 3604.970621] [] ? file_update_time+0x299/0x2f2 [ 3605.009076] [] ? inode_sb_list_add+0xf2/0xf2 [ 3605.044610] [] __generic_file_write_iter+0x344/0x40f [ 3605.090066] [] ext4_file_write_iter+0x99e/0xd10 [ 3605.128725] [] ? ext4_dax_fault+0x360/0x360 [ 3605.168760] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3605.210411] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3605.265521] [] ? init_object+0x1d6/0x1e2 [ 3605.302239] [] new_sync_write+0x16e/0x21c [ 3605.335518] [] ? new_sync_write+0x16e/0x21c [ 3605.379690] [] ? new_sync_write.part.9+0x1c/0x1c [ 3605.418813] [] ? aa_end_current_label+0x29/0x2c [ 3605.463305] [] __vfs_write+0x12c/0x145 [ 3605.498417] [] vfs_write+0x135/0x220 [ 3605.526337] [] SyS_write+0xec/0x174 [ 3605.557623] [] ? SyS_read+0x174/0x174 [ 3605.585016] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3605.624092] ================================================================================ [ 3605.679565] ================================================================================ [ 3605.727741] UBSAN: Undefined behaviour in fs/ext4/inode.c:1096:34 [ 3605.765511] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3605.815507] which requires 64 byte alignment [ 3605.836143] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3605.880840] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3605.929693] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf6d8 ffffffffb26ec5cc [ 3605.974973] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3606.014954] ffff880000000010 ffff88009e9bf700 ffff88009e9bf6b0 ffffffffb363c3e0 [ 3606.058675] Call Trace: [ 3606.073842] [] dump_stack+0xd7/0x132 [ 3606.102599] [] ? arch_local_irq_restore+0x1b/0x1b [ 3606.142683] [] ubsan_epilogue+0x12/0x53 [ 3606.168305] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3606.215743] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3606.248606] [] ? kasan_slab_alloc+0x12/0x14 [ 3606.284303] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3606.311556] [] ext4_block_write_begin+0x153/0x950 [ 3606.352714] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3606.386177] [] ? zero_user_segments+0x213/0x213 [ 3606.415714] [] ext4_da_write_begin+0x475/0x683 [ 3606.447323] [] ? ext4_write_begin+0x699/0x699 [ 3606.480337] [] generic_perform_write+0x341/0x51a [ 3606.519346] [] ? try_to_release_page+0x18a/0x18a [ 3606.544776] [] ? file_update_time+0x299/0x2f2 [ 3606.579433] [] ? inode_sb_list_add+0xf2/0xf2 [ 3606.611013] [] __generic_file_write_iter+0x344/0x40f [ 3606.648238] [] ext4_file_write_iter+0x99e/0xd10 [ 3606.680651] [] ? ext4_dax_fault+0x360/0x360 [ 3606.718671] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3606.751639] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3606.792539] [] ? init_object+0x1d6/0x1e2 [ 3606.822339] [] new_sync_write+0x16e/0x21c [ 3606.855593] [] ? new_sync_write+0x16e/0x21c [ 3606.893593] [] ? new_sync_write.part.9+0x1c/0x1c [ 3606.930269] [] ? aa_end_current_label+0x29/0x2c [ 3606.964615] [] __vfs_write+0x12c/0x145 [ 3606.997271] [] vfs_write+0x135/0x220 [ 3607.024533] [] SyS_write+0xec/0x174 [ 3607.056270] [] ? SyS_read+0x174/0x174 [ 3607.083790] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3607.118574] ================================================================================ [ 3607.186985] ================================================================================ [ 3607.245430] UBSAN: Undefined behaviour in fs/ext4/inode.c:1852:2 [ 3607.297806] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3607.364985] which requires 64 byte alignment [ 3607.402534] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3607.446992] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3607.498186] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf5b8 ffffffffb26ec5cc [ 3607.536296] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3607.568626] ffff880000000010 ffff88009e9bf5e0 ffff88009e9bf590 ffffffffb363c3e0 [ 3607.612329] Call Trace: [ 3607.634077] [] dump_stack+0xd7/0x132 [ 3607.659587] [] ? arch_local_irq_restore+0x1b/0x1b [ 3607.688361] [] ubsan_epilogue+0x12/0x53 [ 3607.717145] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3607.756297] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3607.798315] [] ? kmem_cache_alloc+0x20f/0x33f [ 3607.834964] [] ? alloc_buffer_head+0x75/0x16f [ 3607.865179] [] ? alloc_buffer_head+0x75/0x16f [ 3607.899553] [] ext4_da_get_block_prep+0x130/0xa78 [ 3607.936812] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3607.967262] [] ? queued_spin_unlock+0xe/0x1b [ 3608.007054] [] ? create_empty_buffers+0x19b/0x23a [ 3608.042887] [] ext4_block_write_begin+0x4dc/0x950 [ 3608.077272] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3608.119291] [] ? zero_user_segments+0x213/0x213 [ 3608.157344] [] ext4_da_write_begin+0x475/0x683 [ 3608.229864] [] ? ext4_write_begin+0x699/0x699 [ 3608.291285] [] generic_perform_write+0x341/0x51a [ 3608.351638] [] ? try_to_release_page+0x18a/0x18a [ 3608.393194] [] ? file_update_time+0x299/0x2f2 [ 3608.446412] [] ? inode_sb_list_add+0xf2/0xf2 [ 3608.479559] [] __generic_file_write_iter+0x344/0x40f [ 3608.521424] [] ext4_file_write_iter+0x99e/0xd10 [ 3608.567499] [] ? ext4_dax_fault+0x360/0x360 [ 3608.605695] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3608.670775] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3608.710847] [] ? init_object+0x1d6/0x1e2 [ 3608.754793] [] new_sync_write+0x16e/0x21c [ 3608.792108] [] ? new_sync_write+0x16e/0x21c [ 3608.829546] [] ? new_sync_write.part.9+0x1c/0x1c [ 3608.873306] [] ? aa_end_current_label+0x29/0x2c [ 3608.916273] [] __vfs_write+0x12c/0x145 [ 3608.957592] [] vfs_write+0x135/0x220 [ 3608.988012] [] SyS_write+0xec/0x174 [ 3609.023453] [] ? SyS_read+0x174/0x174 [ 3609.055014] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3609.115641] ================================================================================ [ 3609.195964] ================================================================================ [ 3609.269819] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3609.310791] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3609.373751] which requires 64 byte alignment [ 3609.388142] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3609.437847] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3609.497646] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf5b8 ffffffffb26ec5cc [ 3609.557454] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3609.625831] ffffffff00000010 ffff88009e9bf5e0 ffff88009e9bf590 ffffffffb363c3e0 [ 3609.778017] Call Trace: [ 3609.788881] [] dump_stack+0xd7/0x132 [ 3609.823771] [] ? arch_local_irq_restore+0x1b/0x1b [ 3609.868077] [] ubsan_epilogue+0x12/0x53 [ 3609.907077] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3609.968849] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3610.020764] [] ? kmem_cache_alloc+0x20f/0x33f [ 3610.055814] [] ? alloc_buffer_head+0x75/0x16f [ 3610.103282] [] ? alloc_buffer_head+0x75/0x16f [ 3610.146621] [] ext4_da_get_block_prep+0x1a2/0xa78 [ 3610.340718] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3610.406487] [] ? queued_spin_unlock+0xe/0x1b [ 3610.451048] [] ? create_empty_buffers+0x19b/0x23a [ 3610.490163] [] ext4_block_write_begin+0x4dc/0x950 [ 3610.531699] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3610.557918] [] ? zero_user_segments+0x213/0x213 [ 3610.600122] [] ext4_da_write_begin+0x475/0x683 [ 3610.634810] [] ? ext4_write_begin+0x699/0x699 [ 3610.660408] [] generic_perform_write+0x341/0x51a [ 3610.697260] [] ? try_to_release_page+0x18a/0x18a [ 3610.730751] [] ? file_update_time+0x299/0x2f2 [ 3610.771172] [] ? inode_sb_list_add+0xf2/0xf2 [ 3610.812775] [] __generic_file_write_iter+0x344/0x40f [ 3610.857374] [] ext4_file_write_iter+0x99e/0xd10 [ 3610.906826] [] ? ext4_dax_fault+0x360/0x360 [ 3610.970213] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3611.237743] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3611.316000] [] ? init_object+0x1d6/0x1e2 [ 3611.428008] [] new_sync_write+0x16e/0x21c [ 3611.570733] [] ? new_sync_write+0x16e/0x21c [ 3611.660367] [] ? new_sync_write.part.9+0x1c/0x1c [ 3611.706035] [] ? aa_end_current_label+0x29/0x2c [ 3611.749711] [] __vfs_write+0x12c/0x145 [ 3611.786315] [] vfs_write+0x135/0x220 [ 3611.823655] [] SyS_write+0xec/0x174 [ 3611.858238] [] ? SyS_read+0x174/0x174 [ 3611.890035] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3611.932061] ================================================================================ [ 3611.993480] ================================================================================ [ 3612.055745] UBSAN: Undefined behaviour in fs/ext4/inode.c:1718:22 [ 3612.099604] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3612.169673] which requires 64 byte alignment [ 3612.197409] CPU: 2 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3612.274750] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3612.592200] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf5b8 ffffffffb26ec5cc [ 3612.706199] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3612.790590] ffffffff00000010 ffff88009e9bf5e0 ffff88009e9bf590 ffffffffb363c3e0 [ 3612.897841] Call Trace: [ 3612.924018] [] dump_stack+0xd7/0x132 [ 3612.958379] [] ? arch_local_irq_restore+0x1b/0x1b [ 3613.023199] [] ubsan_epilogue+0x12/0x53 [ 3613.059648] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3613.290171] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3613.409024] [] ? kmem_cache_alloc+0x20f/0x33f [ 3613.455122] [] ? alloc_buffer_head+0x75/0x16f [ 3613.488115] [] ? alloc_buffer_head+0x75/0x16f [ 3613.528566] [] ext4_da_get_block_prep+0x1cf/0xa78 [ 3613.572896] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3613.617646] [] ? queued_spin_unlock+0xe/0x1b [ 3613.657309] [] ? create_empty_buffers+0x19b/0x23a [ 3613.690034] [] ext4_block_write_begin+0x4dc/0x950 [ 3613.743453] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3613.820273] [] ? zero_user_segments+0x213/0x213 [ 3613.859956] [] ext4_da_write_begin+0x475/0x683 [ 3613.908961] [] ? ext4_write_begin+0x699/0x699 [ 3613.940578] [] generic_perform_write+0x341/0x51a [ 3614.009148] [] ? try_to_release_page+0x18a/0x18a [ 3614.052757] [] ? file_update_time+0x299/0x2f2 [ 3614.095927] [] ? inode_sb_list_add+0xf2/0xf2 [ 3614.141868] [] __generic_file_write_iter+0x344/0x40f [ 3614.186500] [] ext4_file_write_iter+0x99e/0xd10 [ 3614.232908] [] ? ext4_dax_fault+0x360/0x360 [ 3614.271124] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3614.326960] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3614.376713] [] ? init_object+0x1d6/0x1e2 [ 3614.417670] [] new_sync_write+0x16e/0x21c [ 3614.462091] [] ? new_sync_write+0x16e/0x21c [ 3614.503226] [] ? new_sync_write.part.9+0x1c/0x1c [ 3614.547498] [] ? aa_end_current_label+0x29/0x2c [ 3614.591841] [] __vfs_write+0x12c/0x145 [ 3614.653903] [] vfs_write+0x135/0x220 [ 3614.690876] [] SyS_write+0xec/0x174 [ 3614.742009] [] ? SyS_read+0x174/0x174 [ 3614.804676] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3614.854192] ================================================================================ [ 3614.910338] ================================================================================ [ 3614.973517] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3615.010537] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3615.078191] which requires 64 byte alignment [ 3615.102706] CPU: 0 PID: 166 Comm: jbd2/sda-8 Tainted: G L 4.8.11 #1 [ 3615.154647] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3615.222579] 00000000ffffffff 00000000a0f1c017 ffff88005aa9f5f0 ffffffffb26ec5cc [ 3615.280019] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3615.331976] ffff880000000010 ffff88005aa9f618 ffff88005aa9f5c8 ffffffffb363c3e0 [ 3615.387201] Call Trace: [ 3615.408329] [] dump_stack+0xd7/0x132 [ 3615.445304] [] ? arch_local_irq_restore+0x1b/0x1b [ 3615.489491] [] ubsan_epilogue+0x12/0x53 [ 3615.528856] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3615.577646] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3615.627676] [] ? radix_tree_tag_set+0x184/0x1ce [ 3615.666363] [] ? radix_tree_tag_get+0x197/0x197 [ 3615.704607] [] ext4_free_data_callback+0xa2/0x533 [ 3615.755641] [] ? ext4_mb_discard_lg_preallocations+0x4e9/0x4e9 [ 3615.800392] [] ? __list_del_entry+0x20c/0x242 [ 3615.846116] [] ? __list_add+0x249/0x249 [ 3615.884013] [] ? kasan_slab_free+0x8a/0x96 [ 3615.924060] [] ext4_journal_commit_callback+0x253/0x2a9 [ 3615.985762] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3616.023535] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3616.073233] [] jbd2_journal_commit_transaction+0x3f8f/0x48d8 [ 3616.123487] [] ? journal_submit_commit_record+0x494/0x494 [ 3616.179608] [] ? find_busiest_group+0x55f/0x55f [ 3616.225164] [] ? pvclock_clocksource_read+0x10d/0x171 [ 3616.270264] [] ? __msecs_to_jiffies+0x38/0x40 [ 3616.308869] [] ? update_next_balance.constprop.23+0x5a/0x7e [ 3616.368046] [] ? pick_next_task_fair+0xac3/0xb60 [ 3616.408197] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3616.450046] [] ? __asan_storeN+0x12/0x14 [ 3616.488362] [] ? native_load_sp0+0x5d/0x66 [ 3616.526607] [] ? finish_task_switch+0x345/0x4b3 [ 3616.570712] [] ? get_timer_cpu_base+0x141/0x151 [ 3616.603268] [] ? detach_if_pending+0x178/0x187 [ 3616.644332] [] ? _raw_spin_unlock_irqrestore+0x8/0x1d [ 3616.692198] [] ? try_to_del_timer_sync+0xf1/0x126 [ 3616.736701] [] ? del_timer+0x137/0x137 [ 3616.775613] [] ? __sanitizer_cov_trace_pc+0x6/0x138 [ 3616.818563] [] kjournald2+0x282/0x708 [ 3616.851984] [] ? kjournald2+0x282/0x708 [ 3616.889852] [] ? jbd2_seq_info_show+0x914/0x914 [ 3616.929607] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3616.986934] [] ? arch_local_irq_restore+0x6/0xd [ 3617.020519] [] kthread+0x1f7/0x20b [ 3617.055567] [] ? jbd2_seq_info_show+0x914/0x914 [ 3617.093887] [] ? init_completion+0x48/0x48 [ 3617.133910] [] ret_from_fork+0x1f/0x40 [ 3617.171740] [] ? init_completion+0x48/0x48 [ 3617.205732] ================================================================================ [ 3617.271311] ================================================================================ [ 3617.325246] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2801:6 [ 3617.359151] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3617.424973] which requires 64 byte alignment [ 3617.457056] CPU: 0 PID: 166 Comm: jbd2/sda-8 Tainted: G L 4.8.11 #1 [ 3617.499439] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3617.566811] 00000000ffffffff 00000000a0f1c017 ffff88005aa9f5f0 ffffffffb26ec5cc [ 3617.614142] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3617.660083] ffff880000000010 ffff88005aa9f618 ffff88005aa9f5c8 ffffffffb363c3e0 [ 3617.707622] Call Trace: [ 3617.727285] [] dump_stack+0xd7/0x132 [ 3617.758252] [] ? arch_local_irq_restore+0x1b/0x1b [ 3617.797694] [] ubsan_epilogue+0x12/0x53 [ 3617.828983] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3617.874372] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3617.929201] [] ? radix_tree_tag_set+0x184/0x1ce [ 3617.966577] [] ? radix_tree_tag_get+0x197/0x197 [ 3618.014917] [] ext4_free_data_callback+0xdb/0x533 [ 3618.059649] [] ? ext4_mb_discard_lg_preallocations+0x4e9/0x4e9 [ 3618.108545] [] ? __list_del_entry+0x20c/0x242 [ 3618.157218] [] ? __list_add+0x249/0x249 [ 3618.190880] [] ? kasan_slab_free+0x8a/0x96 [ 3618.232061] [] ext4_journal_commit_callback+0x253/0x2a9 [ 3618.274406] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3618.316462] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3618.353600] [] jbd2_journal_commit_transaction+0x3f8f/0x48d8 [ 3618.403653] [] ? journal_submit_commit_record+0x494/0x494 [ 3618.465616] [] ? find_busiest_group+0x55f/0x55f [ 3618.502364] [] ? pvclock_clocksource_read+0x10d/0x171 [ 3618.564750] [] ? __msecs_to_jiffies+0x38/0x40 [ 3618.611604] [] ? update_next_balance.constprop.23+0x5a/0x7e [ 3618.661521] [] ? pick_next_task_fair+0xac3/0xb60 [ 3618.705160] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3618.752381] [] ? __asan_storeN+0x12/0x14 [ 3618.792542] [] ? native_load_sp0+0x5d/0x66 [ 3618.830441] [] ? finish_task_switch+0x345/0x4b3 [ 3618.875808] [] ? get_timer_cpu_base+0x141/0x151 [ 3618.912630] [] ? detach_if_pending+0x178/0x187 [ 3618.956313] [] ? _raw_spin_unlock_irqrestore+0x8/0x1d [ 3619.003858] [] ? try_to_del_timer_sync+0xf1/0x126 [ 3619.050604] [] ? del_timer+0x137/0x137 [ 3619.091751] [] ? __sanitizer_cov_trace_pc+0x6/0x138 [ 3619.137443] [] kjournald2+0x282/0x708 [ 3619.168875] [] ? kjournald2+0x282/0x708 [ 3619.208609] [] ? jbd2_seq_info_show+0x914/0x914 [ 3619.242669] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3619.294595] [] ? arch_local_irq_restore+0x6/0xd [ 3619.334997] [] kthread+0x1f7/0x20b [ 3619.368433] [] ? jbd2_seq_info_show+0x914/0x914 [ 3619.407812] [] ? init_completion+0x48/0x48 [ 3619.444338] [] ret_from_fork+0x1f/0x40 [ 3619.474792] [] ? init_completion+0x48/0x48 [ 3619.518743] ================================================================================ [ 3619.573941] ================================================================================ [ 3619.631016] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3619.671673] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3619.719479] which requires 64 byte alignment [ 3619.755733] CPU: 3 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3619.802278] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3619.866095] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf5b8 ffffffffb26ec5cc [ 3619.930453] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3619.989240] ffff880000000010 ffff88009e9bf5e0 ffff88009e9bf590 ffffffffb363c3e0 [ 3620.038040] Call Trace: [ 3620.056497] [] dump_stack+0xd7/0x132 [ 3620.089544] [] ? arch_local_irq_restore+0x1b/0x1b [ 3620.131202] [] ubsan_epilogue+0x12/0x53 [ 3620.168614] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3620.206373] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3620.256672] [] ext4_da_get_block_prep+0x488/0xa78 [ 3620.297170] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3620.336627] [] ? queued_spin_unlock+0xe/0x1b [ 3620.377220] [] ? create_empty_buffers+0x19b/0x23a [ 3620.419914] [] ext4_block_write_begin+0x4dc/0x950 [ 3620.470369] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3620.507141] [] ? zero_user_segments+0x213/0x213 [ 3620.561518] [] ext4_da_write_begin+0x475/0x683 [ 3620.599673] [] ? ext4_write_begin+0x699/0x699 [ 3620.639389] [] generic_perform_write+0x341/0x51a [ 3620.682674] [] ? try_to_release_page+0x18a/0x18a [ 3620.728354] [] ? file_update_time+0x299/0x2f2 [ 3620.767518] [] ? inode_sb_list_add+0xf2/0xf2 [ 3620.803084] [] __generic_file_write_iter+0x344/0x40f [ 3620.847968] [] ext4_file_write_iter+0x99e/0xd10 [ 3620.894502] [] ? ext4_dax_fault+0x360/0x360 [ 3620.934046] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3620.981905] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3621.025113] [] ? init_object+0x1d6/0x1e2 [ 3621.059558] [] new_sync_write+0x16e/0x21c [ 3621.098176] [] ? new_sync_write+0x16e/0x21c [ 3621.136180] [] ? new_sync_write.part.9+0x1c/0x1c [ 3621.170109] [] ? aa_end_current_label+0x29/0x2c [ 3621.211105] [] __vfs_write+0x12c/0x145 [ 3621.249115] [] vfs_write+0x135/0x220 [ 3621.284490] [] SyS_write+0xec/0x174 [ 3621.317217] [] ? SyS_read+0x174/0x174 [ 3621.348146] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3621.397582] ================================================================================ [ 3621.453390] ================================================================================ [ 3621.509609] UBSAN: Undefined behaviour in fs/ext4/inode.c:1787:27 [ 3621.545716] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3621.607683] which requires 64 byte alignment [ 3621.630880] CPU: 3 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3621.689661] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3621.755786] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf5b8 ffffffffb26ec5cc [ 3621.807906] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3621.857663] ffffffff00000010 ffff88009e9bf5e0 ffff88009e9bf590 ffffffffb363c3e0 [ 3621.899356] Call Trace: [ 3621.921799] [] dump_stack+0xd7/0x132 [ 3621.954597] [] ? arch_local_irq_restore+0x1b/0x1b [ 3621.999984] [] ubsan_epilogue+0x12/0x53 [ 3622.031054] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3622.082333] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3622.135621] [] ext4_da_get_block_prep+0x4b5/0xa78 [ 3622.170295] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3622.210447] [] ? queued_spin_unlock+0xe/0x1b [ 3622.251812] [] ? create_empty_buffers+0x19b/0x23a [ 3622.296494] [] ext4_block_write_begin+0x4dc/0x950 [ 3622.337186] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3622.384483] [] ? zero_user_segments+0x213/0x213 [ 3622.423790] [] ext4_da_write_begin+0x475/0x683 [ 3622.467241] [] ? ext4_write_begin+0x699/0x699 [ 3622.517797] [] generic_perform_write+0x341/0x51a [ 3622.556909] [] ? try_to_release_page+0x18a/0x18a [ 3622.605595] [] ? file_update_time+0x299/0x2f2 [ 3622.644775] [] ? inode_sb_list_add+0xf2/0xf2 [ 3622.679008] [] __generic_file_write_iter+0x344/0x40f [ 3622.722414] [] ext4_file_write_iter+0x99e/0xd10 [ 3622.761819] [] ? ext4_dax_fault+0x360/0x360 [ 3622.803868] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3622.850436] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3622.901338] [] ? init_object+0x1d6/0x1e2 [ 3622.937330] [] new_sync_write+0x16e/0x21c [ 3622.977936] [] ? new_sync_write+0x16e/0x21c [ 3623.009446] [] ? new_sync_write.part.9+0x1c/0x1c [ 3623.054995] [] ? aa_end_current_label+0x29/0x2c [ 3623.091162] [] __vfs_write+0x12c/0x145 [ 3623.133434] [] vfs_write+0x135/0x220 [ 3623.159708] [] SyS_write+0xec/0x174 [ 3623.195451] [] ? SyS_read+0x174/0x174 [ 3623.231314] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3623.272259] ================================================================================ [ 3623.335777] ================================================================================ [ 3623.425955] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3623.619073] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3623.719886] which requires 64 byte alignment [ 3623.831787] CPU: 3 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3623.916148] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3623.986048] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf5b8 ffffffffb26ec5cc [ 3624.037923] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3624.082083] ffffffff00000010 ffff88009e9bf5e0 ffff88009e9bf590 ffffffffb363c3e0 [ 3624.131066] Call Trace: [ 3624.141601] [] dump_stack+0xd7/0x132 [ 3624.183400] [] ? arch_local_irq_restore+0x1b/0x1b [ 3624.227193] [] ubsan_epilogue+0x12/0x53 [ 3624.264162] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3624.309110] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3624.371649] [] ext4_da_get_block_prep+0x505/0xa78 [ 3624.544690] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3624.595849] [] ? queued_spin_unlock+0xe/0x1b [ 3624.644301] [] ? create_empty_buffers+0x19b/0x23a [ 3624.673735] [] ext4_block_write_begin+0x4dc/0x950 [ 3624.720478] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3624.766654] [] ? zero_user_segments+0x213/0x213 [ 3624.812237] [] ext4_da_write_begin+0x475/0x683 [ 3624.915489] [] ? ext4_write_begin+0x699/0x699 [ 3624.985387] [] generic_perform_write+0x341/0x51a [ 3625.119948] [] ? try_to_release_page+0x18a/0x18a [ 3625.177342] [] ? file_update_time+0x299/0x2f2 [ 3625.217595] [] ? inode_sb_list_add+0xf2/0xf2 [ 3625.262364] [] __generic_file_write_iter+0x344/0x40f [ 3625.301518] [] ext4_file_write_iter+0x99e/0xd10 [ 3625.342148] [] ? ext4_dax_fault+0x360/0x360 [ 3625.384103] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3625.432013] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3625.474286] [] ? init_object+0x1d6/0x1e2 [ 3625.512527] [] new_sync_write+0x16e/0x21c [ 3625.583509] [] ? new_sync_write+0x16e/0x21c [ 3625.631671] [] ? new_sync_write.part.9+0x1c/0x1c [ 3625.717991] [] ? aa_end_current_label+0x29/0x2c [ 3625.756393] [] __vfs_write+0x12c/0x145 [ 3625.811668] [] vfs_write+0x135/0x220 [ 3625.847479] [] SyS_write+0xec/0x174 [ 3625.887014] [] ? SyS_read+0x174/0x174 [ 3625.925422] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3625.978800] ================================================================================ [ 3626.040114] ================================================================================ [ 3626.084661] UBSAN: Undefined behaviour in fs/ext4/inode.c:1496:35 [ 3626.129004] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3626.198535] which requires 64 byte alignment [ 3626.233253] CPU: 3 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3626.299113] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3626.369163] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf5b8 ffffffffb26ec5cc [ 3626.438834] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3626.478410] ffffffff00000010 ffff88009e9bf5e0 ffff88009e9bf590 ffffffffb363c3e0 [ 3626.529184] Call Trace: [ 3626.545001] [] dump_stack+0xd7/0x132 [ 3626.582861] [] ? arch_local_irq_restore+0x1b/0x1b [ 3626.629107] [] ubsan_epilogue+0x12/0x53 [ 3626.665805] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3626.708150] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3626.758222] [] ext4_da_get_block_prep+0x532/0xa78 [ 3626.813634] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3626.871636] [] ? queued_spin_unlock+0xe/0x1b [ 3626.908180] [] ? create_empty_buffers+0x19b/0x23a [ 3626.947444] [] ext4_block_write_begin+0x4dc/0x950 [ 3626.985433] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3627.032599] [] ? zero_user_segments+0x213/0x213 [ 3627.071594] [] ext4_da_write_begin+0x475/0x683 [ 3627.113604] [] ? ext4_write_begin+0x699/0x699 [ 3627.148623] [] generic_perform_write+0x341/0x51a [ 3627.190364] [] ? try_to_release_page+0x18a/0x18a [ 3627.230372] [] ? file_update_time+0x299/0x2f2 [ 3627.269616] [] ? inode_sb_list_add+0xf2/0xf2 [ 3627.309854] [] __generic_file_write_iter+0x344/0x40f [ 3627.351382] [] ext4_file_write_iter+0x99e/0xd10 [ 3627.392309] [] ? ext4_dax_fault+0x360/0x360 [ 3627.430942] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3627.470841] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3627.585320] [] ? init_object+0x1d6/0x1e2 [ 3627.642125] [] new_sync_write+0x16e/0x21c [ 3627.724979] [] ? new_sync_write+0x16e/0x21c [ 3627.774157] [] ? new_sync_write.part.9+0x1c/0x1c [ 3627.819267] [] ? aa_end_current_label+0x29/0x2c [ 3627.858782] [] __vfs_write+0x12c/0x145 [ 3627.892742] [] vfs_write+0x135/0x220 [ 3627.927315] [] SyS_write+0xec/0x174 [ 3627.962390] [] ? SyS_read+0x174/0x174 [ 3627.993851] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3628.030620] ================================================================================ [ 3628.094127] ================================================================================ [ 3628.149333] UBSAN: Undefined behaviour in fs/quota/dquot.c:1574:2 [ 3628.189199] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3628.254699] which requires 64 byte alignment [ 3628.287664] CPU: 3 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3628.337152] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3628.397322] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf440 ffffffffb26ec5cc [ 3628.446325] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3628.498681] 0000000000000010 ffff88009e9bf468 ffff88009e9bf418 ffffffffb363c3e0 [ 3628.545567] Call Trace: [ 3628.561272] [] dump_stack+0xd7/0x132 [ 3628.623318] [] ? arch_local_irq_restore+0x1b/0x1b [ 3628.680750] [] ubsan_epilogue+0x12/0x53 [ 3628.710965] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3628.763627] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3628.815567] [] inode_reserved_space+0x58/0x107 [ 3628.857809] [] inode_add_rsv_space+0x32/0x9c [ 3628.899566] [] __dquot_alloc_space+0xda/0x53f [ 3628.941962] [] ? arch_local_irq_restore+0x6/0xd [ 3629.008728] [] ? __dquot_free_space+0x38f/0x38f [ 3629.076703] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3629.136321] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3629.209393] [] ext4_da_get_block_prep+0x610/0xa78 [ 3629.271990] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3629.333198] [] ? queued_spin_unlock+0xe/0x1b [ 3629.379150] [] ? create_empty_buffers+0x19b/0x23a [ 3629.452840] [] ext4_block_write_begin+0x4dc/0x950 [ 3629.513071] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3629.582098] [] ? zero_user_segments+0x213/0x213 [ 3629.637643] [] ext4_da_write_begin+0x475/0x683 [ 3629.695835] [] ? ext4_write_begin+0x699/0x699 [ 3629.763998] [] generic_perform_write+0x341/0x51a [ 3629.824610] [] ? try_to_release_page+0x18a/0x18a [ 3629.879099] [] ? file_update_time+0x299/0x2f2 [ 3629.941596] [] ? inode_sb_list_add+0xf2/0xf2 [ 3630.005134] [] __generic_file_write_iter+0x344/0x40f [ 3630.078672] [] ext4_file_write_iter+0x99e/0xd10 [ 3630.141278] [] ? ext4_dax_fault+0x360/0x360 [ 3630.192097] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3630.267173] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3630.338874] [] ? init_object+0x1d6/0x1e2 [ 3630.396591] [] new_sync_write+0x16e/0x21c [ 3630.446371] [] ? new_sync_write+0x16e/0x21c [ 3630.491199] [] ? new_sync_write.part.9+0x1c/0x1c [ 3630.552769] [] ? aa_end_current_label+0x29/0x2c [ 3630.603723] [] __vfs_write+0x12c/0x145 [ 3630.665269] [] vfs_write+0x135/0x220 [ 3630.700271] [] SyS_write+0xec/0x174 [ 3630.753419] [] ? SyS_read+0x174/0x174 [ 3630.799062] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3630.854798] ================================================================================ [ 3630.933918] ================================================================================ [ 3631.009071] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3631.071886] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3631.145806] which requires 64 byte alignment [ 3631.192299] CPU: 2 PID: 166 Comm: jbd2/sda-8 Tainted: G L 4.8.11 #1 [ 3631.269207] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3631.339762] 00000000ffffffff 00000000a0f1c017 ffff88005aa9f5f0 ffffffffb26ec5cc [ 3631.423536] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3631.504336] ffff880000000010 ffff88005aa9f618 ffff88005aa9f5c8 ffffffffb363c3e0 [ 3631.573683] Call Trace: [ 3631.595426] [] dump_stack+0xd7/0x132 [ 3631.646045] [] ? arch_local_irq_restore+0x1b/0x1b [ 3631.783564] [] ubsan_epilogue+0x12/0x53 [ 3631.879768] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3631.943780] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3632.010617] [] ext4_free_data_callback+0x253/0x533 [ 3632.074953] [] ? ext4_mb_discard_lg_preallocations+0x4e9/0x4e9 [ 3632.141008] [] ? __list_del_entry+0x20c/0x242 [ 3632.221498] [] ext4_journal_commit_callback+0x253/0x2a9 [ 3632.312743] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3632.402850] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3632.463132] [] jbd2_journal_commit_transaction+0x3f8f/0x48d8 [ 3632.534844] [] ? journal_submit_commit_record+0x494/0x494 [ 3632.605002] [] ? find_busiest_group+0x55f/0x55f [ 3632.666427] [] ? pvclock_clocksource_read+0x10d/0x171 [ 3632.746099] [] ? __msecs_to_jiffies+0x38/0x40 [ 3632.823335] [] ? update_next_balance.constprop.23+0x5a/0x7e [ 3632.907137] [] ? pick_next_task_fair+0xac3/0xb60 [ 3633.002869] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3633.099009] [] ? __asan_storeN+0x12/0x14 [ 3633.144467] [] ? native_load_sp0+0x5d/0x66 [ 3633.207113] [] ? finish_task_switch+0x345/0x4b3 [ 3633.255484] [] ? get_timer_cpu_base+0x141/0x151 [ 3633.314089] [] ? detach_if_pending+0x178/0x187 [ 3633.370571] [] ? _raw_spin_unlock_irqrestore+0x8/0x1d [ 3633.438271] [] ? try_to_del_timer_sync+0xf1/0x126 [ 3633.495085] [] ? del_timer+0x137/0x137 [ 3633.542576] [] ? __sanitizer_cov_trace_pc+0x6/0x138 [ 3633.621057] [] kjournald2+0x282/0x708 [ 3633.674873] [] ? kjournald2+0x282/0x708 [ 3633.753665] [] ? jbd2_seq_info_show+0x914/0x914 [ 3633.889497] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3633.952019] [] ? arch_local_irq_restore+0x6/0xd [ 3634.023699] [] kthread+0x1f7/0x20b [ 3634.075106] [] ? jbd2_seq_info_show+0x914/0x914 [ 3634.179143] [] ? init_completion+0x48/0x48 [ 3634.293261] [] ret_from_fork+0x1f/0x40 [ 3634.352881] [] ? init_completion+0x48/0x48 [ 3634.426596] ================================================================================ [ 3634.542840] ================================================================================ [ 3634.649113] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3634.720449] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3634.827732] which requires 64 byte alignment [ 3634.886706] CPU: 2 PID: 166 Comm: jbd2/sda-8 Tainted: G L 4.8.11 #1 [ 3634.978750] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3635.099269] 00000000ffffffff 00000000a0f1c017 ffff88005aa9f5f0 ffffffffb26ec5cc [ 3635.179229] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3635.271051] ffff880000000010 ffff88005aa9f618 ffff88005aa9f5c8 ffffffffb363c3e0 [ 3635.356284] Call Trace: [ 3635.378590] [] dump_stack+0xd7/0x132 [ 3635.429625] [] ? arch_local_irq_restore+0x1b/0x1b [ 3635.496007] [] ubsan_epilogue+0x12/0x53 [ 3635.552119] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3635.616315] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3635.910492] [] ext4_free_data_callback+0x28e/0x533 [ 3636.107686] [] ? ext4_mb_discard_lg_preallocations+0x4e9/0x4e9 [ 3636.242964] [] ? __list_del_entry+0x20c/0x242 [ 3636.373447] [] ext4_journal_commit_callback+0x253/0x2a9 [ 3636.466576] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3636.550581] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3636.625523] [] jbd2_journal_commit_transaction+0x3f8f/0x48d8 [ 3636.721928] [] ? journal_submit_commit_record+0x494/0x494 [ 3636.815194] [] ? find_busiest_group+0x55f/0x55f [ 3636.902612] [] ? pvclock_clocksource_read+0x10d/0x171 [ 3636.968784] [] ? __msecs_to_jiffies+0x38/0x40 [ 3637.051248] [] ? update_next_balance.constprop.23+0x5a/0x7e [ 3637.142200] [] ? pick_next_task_fair+0xac3/0xb60 [ 3637.375311] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3637.436940] hrtimer: interrupt took 22909572 ns [ 3637.624176] [] ? __asan_storeN+0x12/0x14 [ 3637.713883] [] ? native_load_sp0+0x5d/0x66 [ 3637.784492] [] ? finish_task_switch+0x345/0x4b3 [ 3637.859148] [] ? get_timer_cpu_base+0x141/0x151 [ 3637.912874] [] ? detach_if_pending+0x178/0x187 [ 3637.987225] [] ? _raw_spin_unlock_irqrestore+0x8/0x1d [ 3638.073938] [] ? try_to_del_timer_sync+0xf1/0x126 [ 3638.232616] [] ? del_timer+0x137/0x137 [ 3638.316535] [] ? __sanitizer_cov_trace_pc+0x6/0x138 [ 3638.392167] [] kjournald2+0x282/0x708 [ 3638.459326] [] ? kjournald2+0x282/0x708 [ 3638.546891] [] ? jbd2_seq_info_show+0x914/0x914 [ 3638.631629] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3638.716160] [] ? arch_local_irq_restore+0x6/0xd [ 3638.797929] [] kthread+0x1f7/0x20b [ 3638.849035] [] ? jbd2_seq_info_show+0x914/0x914 [ 3638.910153] [] ? init_completion+0x48/0x48 [ 3638.975855] [] ret_from_fork+0x1f/0x40 [ 3639.050333] [] ? init_completion+0x48/0x48 [ 3639.114044] ================================================================================ [ 3639.198344] ================================================================================ [ 3639.287621] UBSAN: Undefined behaviour in fs/quota/dquot.c:1575:20 [ 3639.405227] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3639.673224] which requires 64 byte alignment [ 3639.748270] CPU: 3 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3639.832149] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3639.926947] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf440 ffffffffb26ec5cc [ 3640.005164] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3640.093606] ffff880000000010 ffff88009e9bf468 ffff88009e9bf418 ffffffffb363c3e0 [ 3640.187151] Call Trace: [ 3640.210889] [] dump_stack+0xd7/0x132 [ 3640.265272] [] ? arch_local_irq_restore+0x1b/0x1b [ 3640.329382] [] ubsan_epilogue+0x12/0x53 [ 3640.399852] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3640.467644] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3640.553518] [] ? ext4_truncate_restart_trans+0x10a/0x10a [ 3640.636427] [] inode_reserved_space+0xde/0x107 [ 3640.706464] [] inode_add_rsv_space+0x32/0x9c [ 3640.780090] [] __dquot_alloc_space+0xda/0x53f [ 3640.827421] [] ? arch_local_irq_restore+0x6/0xd [ 3640.908803] [] ? __dquot_free_space+0x38f/0x38f [ 3640.968758] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3641.063745] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3641.174284] [] ext4_da_get_block_prep+0x610/0xa78 [ 3641.245644] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3641.318733] [] ? queued_spin_unlock+0xe/0x1b [ 3641.391396] [] ? create_empty_buffers+0x19b/0x23a [ 3641.470832] [] ext4_block_write_begin+0x4dc/0x950 [ 3641.551537] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3641.629004] [] ? zero_user_segments+0x213/0x213 [ 3641.711177] [] ext4_da_write_begin+0x475/0x683 [ 3641.778018] [] ? ext4_write_begin+0x699/0x699 [ 3641.853538] [] generic_perform_write+0x341/0x51a [ 3641.915332] [] ? try_to_release_page+0x18a/0x18a [ 3642.010176] [] ? file_update_time+0x299/0x2f2 [ 3642.076106] [] ? inode_sb_list_add+0xf2/0xf2 [ 3642.161514] [] __generic_file_write_iter+0x344/0x40f [ 3642.243291] [] ext4_file_write_iter+0x99e/0xd10 [ 3642.303980] [] ? ext4_dax_fault+0x360/0x360 [ 3642.380299] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3642.445851] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3642.530677] [] ? init_object+0x1d6/0x1e2 [ 3642.589874] [] new_sync_write+0x16e/0x21c [ 3642.649507] [] ? new_sync_write+0x16e/0x21c [ 3642.712169] [] ? new_sync_write.part.9+0x1c/0x1c [ 3642.793913] [] ? aa_end_current_label+0x29/0x2c [ 3642.850947] [] __vfs_write+0x12c/0x145 [ 3642.907956] [] vfs_write+0x135/0x220 [ 3642.964570] [] SyS_write+0xec/0x174 [ 3643.017384] [] ? SyS_read+0x174/0x174 [ 3643.074990] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3643.137918] ================================================================================ [ 3643.222233] ================================================================================ [ 3643.295207] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2818:33 [ 3643.342338] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3643.402301] which requires 64 byte alignment [ 3643.428015] CPU: 2 PID: 166 Comm: jbd2/sda-8 Tainted: G L 4.8.11 #1 [ 3643.480771] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3643.551167] 00000000ffffffff 00000000a0f1c017 ffff88005aa9f5f0 ffffffffb26ec5cc [ 3643.604194] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3643.650431] ffff880000000010 ffff88005aa9f618 ffff88005aa9f5c8 ffffffffb363c3e0 [ 3643.700591] Call Trace: [ 3643.716973] [] dump_stack+0xd7/0x132 [ 3643.761190] [] ? arch_local_irq_restore+0x1b/0x1b [ 3643.807704] [] ubsan_epilogue+0x12/0x53 [ 3643.841474] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3643.891180] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3643.941901] [] ext4_free_data_callback+0x2bd/0x533 [ 3643.982545] [] ? ext4_mb_discard_lg_preallocations+0x4e9/0x4e9 [ 3644.034973] [] ? __list_del_entry+0x20c/0x242 [ 3644.077112] [] ext4_journal_commit_callback+0x253/0x2a9 [ 3644.124059] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3644.171413] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3644.218322] [] jbd2_journal_commit_transaction+0x3f8f/0x48d8 [ 3644.275080] [] ? journal_submit_commit_record+0x494/0x494 [ 3644.329994] [] ? find_busiest_group+0x55f/0x55f [ 3644.375868] [] ? pvclock_clocksource_read+0x10d/0x171 [ 3644.425641] [] ? __msecs_to_jiffies+0x38/0x40 [ 3644.467307] [] ? update_next_balance.constprop.23+0x5a/0x7e [ 3644.512032] [] ? pick_next_task_fair+0xac3/0xb60 [ 3644.558777] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3644.608972] [] ? __asan_storeN+0x12/0x14 [ 3644.647957] [] ? native_load_sp0+0x5d/0x66 [ 3644.685843] [] ? finish_task_switch+0x345/0x4b3 [ 3644.729663] [] ? get_timer_cpu_base+0x141/0x151 [ 3644.779550] [] ? detach_if_pending+0x178/0x187 [ 3644.820629] [] ? _raw_spin_unlock_irqrestore+0x8/0x1d [ 3644.870461] [] ? try_to_del_timer_sync+0xf1/0x126 [ 3644.911175] [] ? del_timer+0x137/0x137 [ 3644.963003] [] ? __sanitizer_cov_trace_pc+0x6/0x138 [ 3645.013567] [] kjournald2+0x282/0x708 [ 3645.056910] [] ? kjournald2+0x282/0x708 [ 3645.105983] [] ? jbd2_seq_info_show+0x914/0x914 [ 3645.146633] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3645.200214] [] ? arch_local_irq_restore+0x6/0xd [ 3645.234347] [] kthread+0x1f7/0x20b [ 3645.275545] [] ? jbd2_seq_info_show+0x914/0x914 [ 3645.317774] [] ? init_completion+0x48/0x48 [ 3645.363960] [] ret_from_fork+0x1f/0x40 [ 3645.405776] [] ? init_completion+0x48/0x48 [ 3645.449711] ================================================================================ [ 3645.507406] ================================================================================ [ 3645.569638] UBSAN: Undefined behaviour in fs/ext4/balloc.c:552:9 [ 3645.598783] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3645.672565] which requires 64 byte alignment [ 3645.701250] CPU: 3 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3645.749754] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3645.821555] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf528 ffffffffb26ec5cc [ 3645.875182] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3645.920227] ffff880000000010 ffff88009e9bf550 ffff88009e9bf500 ffffffffb363c3e0 [ 3645.976152] Call Trace: [ 3645.991199] [] dump_stack+0xd7/0x132 [ 3646.026989] [] ? arch_local_irq_restore+0x1b/0x1b [ 3646.065268] [] ubsan_epilogue+0x12/0x53 [ 3646.109774] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3646.157064] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3646.211340] [] ext4_has_free_clusters+0x101/0x52a [ 3646.248493] [] ext4_claim_free_clusters+0x31/0x5c [ 3646.296665] [] ext4_da_get_block_prep+0x645/0xa78 [ 3646.341756] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3646.388089] [] ? queued_spin_unlock+0xe/0x1b [ 3646.434958] [] ? create_empty_buffers+0x19b/0x23a [ 3646.469158] [] ext4_block_write_begin+0x4dc/0x950 [ 3646.522477] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3646.561041] [] ? zero_user_segments+0x213/0x213 [ 3646.598789] [] ext4_da_write_begin+0x475/0x683 [ 3646.642095] [] ? ext4_write_begin+0x699/0x699 [ 3646.682999] [] generic_perform_write+0x341/0x51a [ 3646.728688] [] ? try_to_release_page+0x18a/0x18a [ 3646.784200] [] ? file_update_time+0x299/0x2f2 [ 3646.818137] [] ? inode_sb_list_add+0xf2/0xf2 [ 3646.865942] [] __generic_file_write_iter+0x344/0x40f [ 3646.914054] [] ext4_file_write_iter+0x99e/0xd10 [ 3646.974568] [] ? ext4_dax_fault+0x360/0x360 [ 3647.002379] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3647.057502] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3647.111938] [] ? init_object+0x1d6/0x1e2 [ 3647.142809] [] new_sync_write+0x16e/0x21c [ 3647.179783] [] ? new_sync_write+0x16e/0x21c [ 3647.225834] [] ? new_sync_write.part.9+0x1c/0x1c [ 3647.270381] [] ? aa_end_current_label+0x29/0x2c [ 3647.322971] [] __vfs_write+0x12c/0x145 [ 3647.362266] [] vfs_write+0x135/0x220 [ 3647.399261] [] SyS_write+0xec/0x174 [ 3647.439014] [] ? SyS_read+0x174/0x174 [ 3647.475641] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3647.519565] ================================================================================ [ 3647.582603] ================================================================================ [ 3647.636237] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2818:33 [ 3647.682709] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3647.743759] which requires 64 byte alignment [ 3647.786688] CPU: 2 PID: 166 Comm: jbd2/sda-8 Tainted: G L 4.8.11 #1 [ 3647.835524] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3647.910632] 00000000ffffffff 00000000a0f1c017 ffff88005aa9f5f0 ffffffffb26ec5cc [ 3647.962025] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3648.006995] ffff880000000010 ffff88005aa9f618 ffff88005aa9f5c8 ffffffffb363c3e0 [ 3648.067741] Call Trace: [ 3648.090697] [] dump_stack+0xd7/0x132 [ 3648.126177] [] ? arch_local_irq_restore+0x1b/0x1b [ 3648.171041] [] ubsan_epilogue+0x12/0x53 [ 3648.211202] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3648.262179] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3648.315583] [] ext4_free_data_callback+0x320/0x533 [ 3648.366211] [] ? ext4_mb_discard_lg_preallocations+0x4e9/0x4e9 [ 3648.418036] [] ? __list_del_entry+0x20c/0x242 [ 3648.455893] [] ext4_journal_commit_callback+0x253/0x2a9 [ 3648.500237] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3648.547394] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3648.585782] [] jbd2_journal_commit_transaction+0x3f8f/0x48d8 [ 3648.642703] [] ? journal_submit_commit_record+0x494/0x494 [ 3648.685816] [] ? find_busiest_group+0x55f/0x55f [ 3648.720437] [] ? pvclock_clocksource_read+0x10d/0x171 [ 3648.843520] [] ? __msecs_to_jiffies+0x38/0x40 [ 3648.917547] [] ? update_next_balance.constprop.23+0x5a/0x7e [ 3648.991123] [] ? pick_next_task_fair+0xac3/0xb60 [ 3649.029814] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3649.080046] [] ? __asan_storeN+0x12/0x14 [ 3649.129265] [] ? native_load_sp0+0x5d/0x66 [ 3649.168324] [] ? finish_task_switch+0x345/0x4b3 [ 3649.204171] [] ? get_timer_cpu_base+0x141/0x151 [ 3649.252553] [] ? detach_if_pending+0x178/0x187 [ 3649.293491] [] ? _raw_spin_unlock_irqrestore+0x8/0x1d [ 3649.352593] [] ? try_to_del_timer_sync+0xf1/0x126 [ 3649.400363] [] ? del_timer+0x137/0x137 [ 3649.436518] [] ? __sanitizer_cov_trace_pc+0x6/0x138 [ 3649.478338] [] kjournald2+0x282/0x708 [ 3649.515135] [] ? kjournald2+0x282/0x708 [ 3649.548690] [] ? jbd2_seq_info_show+0x914/0x914 [ 3649.583139] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3649.635025] [] ? arch_local_irq_restore+0x6/0xd [ 3649.685878] [] kthread+0x1f7/0x20b [ 3649.725632] [] ? jbd2_seq_info_show+0x914/0x914 [ 3649.770262] [] ? init_completion+0x48/0x48 [ 3649.819129] [] ret_from_fork+0x1f/0x40 [ 3649.852998] [] ? init_completion+0x48/0x48 [ 3649.894084] ================================================================================ [ 3649.953130] ================================================================================ [ 3650.013150] UBSAN: Undefined behaviour in fs/ext4/balloc.c:552:46 [ 3650.066874] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3650.132154] which requires 64 byte alignment [ 3650.162772] CPU: 3 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3650.212323] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3650.283628] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf528 ffffffffb26ec5cc [ 3650.346371] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3650.399101] ffff880000000010 ffff88009e9bf550 ffff88009e9bf500 ffffffffb363c3e0 [ 3650.449909] Call Trace: [ 3650.466913] [] dump_stack+0xd7/0x132 [ 3650.503244] [] ? arch_local_irq_restore+0x1b/0x1b [ 3650.552473] [] ubsan_epilogue+0x12/0x53 [ 3650.584988] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3650.630763] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3650.691250] [] ext4_has_free_clusters+0x182/0x52a [ 3650.741803] [] ext4_claim_free_clusters+0x31/0x5c [ 3650.800839] [] ext4_da_get_block_prep+0x645/0xa78 [ 3650.843461] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3650.890583] [] ? queued_spin_unlock+0xe/0x1b [ 3650.932653] [] ? create_empty_buffers+0x19b/0x23a [ 3651.171982] [] ext4_block_write_begin+0x4dc/0x950 [ 3651.226464] [] ? __ext4_get_inode_loc+0xd50/0xd50 [ 3651.274998] [] ? zero_user_segments+0x213/0x213 [ 3651.312545] [] ext4_da_write_begin+0x475/0x683 [ 3651.371234] [] ? ext4_write_begin+0x699/0x699 [ 3651.420903] [] generic_perform_write+0x341/0x51a [ 3651.468408] [] ? try_to_release_page+0x18a/0x18a [ 3651.525682] [] ? file_update_time+0x299/0x2f2 [ 3651.568475] [] ? inode_sb_list_add+0xf2/0xf2 [ 3651.611822] [] __generic_file_write_iter+0x344/0x40f [ 3651.656254] [] ext4_file_write_iter+0x99e/0xd10 [ 3651.702996] [] ? ext4_dax_fault+0x360/0x360 [ 3651.735254] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3651.788151] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3651.831371] [] ? init_object+0x1d6/0x1e2 [ 3651.859076] [] new_sync_write+0x16e/0x21c [ 3651.899173] [] ? new_sync_write+0x16e/0x21c [ 3651.932573] [] ? new_sync_write.part.9+0x1c/0x1c [ 3651.969209] [] ? aa_end_current_label+0x29/0x2c [ 3652.015055] [] __vfs_write+0x12c/0x145 [ 3652.046905] [] vfs_write+0x135/0x220 [ 3652.076212] [] SyS_write+0xec/0x174 [ 3652.112504] [] ? SyS_read+0x174/0x174 [ 3652.147545] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3652.189598] ================================================================================ [ 3652.248516] ================================================================================ [ 3652.303333] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3652.339058] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3652.393918] which requires 64 byte alignment [ 3652.429333] CPU: 2 PID: 166 Comm: jbd2/sda-8 Tainted: G L 4.8.11 #1 [ 3652.479058] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3652.530067] 00000000ffffffff 00000000a0f1c017 ffff88005aa9f5f0 ffffffffb26ec5cc [ 3652.574969] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3652.622303] ffff880000000010 ffff88005aa9f618 ffff88005aa9f5c8 ffffffffb363c3e0 [ 3652.667180] Call Trace: [ 3652.687805] [] dump_stack+0xd7/0x132 [ 3652.713765] [] ? arch_local_irq_restore+0x1b/0x1b [ 3652.759169] [] ubsan_epilogue+0x12/0x53 [ 3652.805598] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3652.851018] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3652.902363] [] ext4_free_data_callback+0x347/0x533 [ 3652.945676] [] ? ext4_mb_discard_lg_preallocations+0x4e9/0x4e9 [ 3652.988059] [] ? __list_del_entry+0x20c/0x242 [ 3653.016003] [] ext4_journal_commit_callback+0x253/0x2a9 [ 3653.073175] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3653.109607] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3653.155198] [] jbd2_journal_commit_transaction+0x3f8f/0x48d8 [ 3653.211523] [] ? journal_submit_commit_record+0x494/0x494 [ 3653.248799] [] ? find_busiest_group+0x55f/0x55f [ 3653.286735] [] ? pvclock_clocksource_read+0x10d/0x171 [ 3653.332700] [] ? __msecs_to_jiffies+0x38/0x40 [ 3653.382251] [] ? update_next_balance.constprop.23+0x5a/0x7e [ 3653.418408] [] ? pick_next_task_fair+0xac3/0xb60 [ 3653.464204] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3653.501572] [] ? __asan_storeN+0x12/0x14 [ 3653.536196] [] ? native_load_sp0+0x5d/0x66 [ 3653.573399] [] ? finish_task_switch+0x345/0x4b3 [ 3653.614389] [] ? get_timer_cpu_base+0x141/0x151 [ 3653.645058] [] ? detach_if_pending+0x178/0x187 [ 3653.688812] [] ? _raw_spin_unlock_irqrestore+0x8/0x1d [ 3653.732027] [] ? try_to_del_timer_sync+0xf1/0x126 [ 3653.768838] [] ? del_timer+0x137/0x137 [ 3653.804535] [] ? __sanitizer_cov_trace_pc+0x6/0x138 [ 3653.849856] [] kjournald2+0x282/0x708 [ 3653.879542] [] ? kjournald2+0x282/0x708 [ 3653.912556] [] ? jbd2_seq_info_show+0x914/0x914 [ 3653.962848] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3653.999391] [] ? arch_local_irq_restore+0x6/0xd [ 3654.041379] [] kthread+0x1f7/0x20b [ 3654.073788] [] ? jbd2_seq_info_show+0x914/0x914 [ 3654.118521] [] ? init_completion+0x48/0x48 [ 3654.154882] [] ret_from_fork+0x1f/0x40 [ 3654.187135] [] ? init_completion+0x48/0x48 [ 3654.225535] ================================================================================ [ 3654.273678] ================================================================================ [ 3654.329030] UBSAN: Undefined behaviour in ./include/linux/backing-dev.h:274:15 [ 3654.386127] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3654.473329] which requires 64 byte alignment [ 3654.510142] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3654.565042] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3655.108429] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf828 ffffffffb26ec5cc [ 3655.155168] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3655.213460] ffff880000000010 ffff88009e9bf850 ffff88009e9bf800 ffffffffb363c3e0 [ 3655.255511] Call Trace: [ 3655.273776] [] dump_stack+0xd7/0x132 [ 3655.315894] [] ? arch_local_irq_restore+0x1b/0x1b [ 3655.363013] [] ubsan_epilogue+0x12/0x53 [ 3655.392705] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3655.469181] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3655.561411] [] ? __mark_inode_dirty+0x77d/0x9a3 [ 3655.620184] [] balance_dirty_pages_ratelimited+0x196/0xab6 [ 3655.667178] [] ? balance_dirty_pages.isra.9+0x1881/0x1881 [ 3655.715729] [] generic_perform_write+0x4d6/0x51a [ 3655.761370] [] ? try_to_release_page+0x18a/0x18a [ 3655.792424] [] ? inode_sb_list_add+0xf2/0xf2 [ 3655.835406] [] __generic_file_write_iter+0x344/0x40f [ 3655.879900] [] ext4_file_write_iter+0x99e/0xd10 [ 3655.918094] [] ? ext4_dax_fault+0x360/0x360 [ 3655.952601] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3656.005802] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3656.056998] [] ? init_object+0x1d6/0x1e2 [ 3656.091824] [] new_sync_write+0x16e/0x21c [ 3656.129057] [] ? new_sync_write+0x16e/0x21c [ 3656.173600] [] ? new_sync_write.part.9+0x1c/0x1c [ 3656.221076] [] ? aa_end_current_label+0x29/0x2c [ 3656.259998] [] __vfs_write+0x12c/0x145 [ 3656.296101] [] vfs_write+0x135/0x220 [ 3656.333961] [] SyS_write+0xec/0x174 [ 3656.371019] [] ? SyS_read+0x174/0x174 [ 3656.406276] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3656.464817] ================================================================================ [ 3656.532371] ================================================================================ [ 3656.573426] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1437:2 [ 3656.621360] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3656.682494] which requires 64 byte alignment [ 3656.707656] CPU: 2 PID: 166 Comm: jbd2/sda-8 Tainted: G L 4.8.11 #1 [ 3656.758032] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3656.816074] 00000000ffffffff 00000000a0f1c017 ffff88005aa9f420 ffffffffb26ec5cc [ 3656.864675] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3656.923047] ffff880000000010 ffff88005aa9f448 ffff88005aa9f3f8 ffffffffb363c3e0 [ 3656.975462] Call Trace: [ 3656.990501] [] dump_stack+0xd7/0x132 [ 3657.024625] [] ? arch_local_irq_restore+0x1b/0x1b [ 3657.062007] [] ubsan_epilogue+0x12/0x53 [ 3657.103220] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3657.142594] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3657.206688] [] mb_free_blocks+0x235/0x13ad [ 3657.250981] [] ? vprintk_default+0x65/0x6e [ 3657.287968] [] ? ext4_mb_seq_groups_show+0x327/0x327 [ 3657.335555] [] ? dummy_rotate+0x6/0x6 [ 3657.372528] [] ? ubsan_epilogue+0x26/0x53 [ 3657.408588] [] ? rb_erase+0x10a/0xe4c [ 3657.457057] [] ? rb_insert_color+0x77d/0x77d [ 3657.491327] [] ? atomic_add_unless+0x8d/0xa1 [ 3657.522965] [] ext4_free_data_callback+0x3fb/0x533 [ 3657.575430] [] ? ext4_mb_discard_lg_preallocations+0x4e9/0x4e9 [ 3657.623455] [] ? __list_del_entry+0x20c/0x242 [ 3657.661879] [] ext4_journal_commit_callback+0x253/0x2a9 [ 3657.708978] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3657.752947] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3657.795392] [] jbd2_journal_commit_transaction+0x3f8f/0x48d8 [ 3657.850942] [] ? journal_submit_commit_record+0x494/0x494 [ 3657.890770] [] ? find_busiest_group+0x55f/0x55f [ 3657.937341] [] ? pvclock_clocksource_read+0x10d/0x171 [ 3657.987405] [] ? __msecs_to_jiffies+0x38/0x40 [ 3658.020890] [] ? update_next_balance.constprop.23+0x5a/0x7e [ 3658.065211] [] ? pick_next_task_fair+0xac3/0xb60 [ 3658.106147] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3658.146402] [] ? __asan_storeN+0x12/0x14 [ 3658.181865] [] ? native_load_sp0+0x5d/0x66 [ 3658.214397] [] ? finish_task_switch+0x345/0x4b3 [ 3658.251495] [] ? get_timer_cpu_base+0x141/0x151 [ 3658.293522] [] ? detach_if_pending+0x178/0x187 [ 3658.338737] [] ? _raw_spin_unlock_irqrestore+0x8/0x1d [ 3658.387934] [] ? try_to_del_timer_sync+0xf1/0x126 [ 3658.426904] [] ? del_timer+0x137/0x137 [ 3658.460111] [] ? __sanitizer_cov_trace_pc+0x6/0x138 [ 3658.506927] [] kjournald2+0x282/0x708 [ 3658.542648] [] ? kjournald2+0x282/0x708 [ 3658.582040] [] ? jbd2_seq_info_show+0x914/0x914 [ 3658.622559] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3658.657817] [] ? arch_local_irq_restore+0x6/0xd [ 3658.702621] [] kthread+0x1f7/0x20b [ 3658.726346] [] ? jbd2_seq_info_show+0x914/0x914 [ 3658.772153] [] ? init_completion+0x48/0x48 [ 3658.814875] [] ret_from_fork+0x1f/0x40 [ 3658.850958] [] ? init_completion+0x48/0x48 [ 3658.884872] ================================================================================ [ 3658.946250] ================================================================================ [ 3659.022531] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3659.061509] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3659.130415] which requires 64 byte alignment [ 3659.168610] CPU: 2 PID: 166 Comm: jbd2/sda-8 Tainted: G L 4.8.11 #1 [ 3659.224518] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3659.299033] 00000000ffffffff 00000000a0f1c017 ffff88005aa9f420 ffffffffb26ec5cc [ 3659.354736] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3659.415356] ffff880000000010 ffff88005aa9f448 ffff88005aa9f3f8 ffffffffb363c3e0 [ 3659.472036] Call Trace: [ 3659.486959] [] dump_stack+0xd7/0x132 [ 3659.522276] [] ? arch_local_irq_restore+0x1b/0x1b [ 3659.563970] [] ubsan_epilogue+0x12/0x53 [ 3659.601769] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3659.642082] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3659.695227] [] mb_free_blocks+0x2c8/0x13ad [ 3659.726769] [] ? vprintk_default+0x65/0x6e [ 3659.773427] [] ? ext4_mb_seq_groups_show+0x327/0x327 [ 3659.829741] [] ? dummy_rotate+0x6/0x6 [ 3659.864165] [] ? ubsan_epilogue+0x26/0x53 [ 3659.902506] [] ? rb_erase+0x10a/0xe4c [ 3659.940572] [] ? rb_insert_color+0x77d/0x77d [ 3659.984081] [] ? atomic_add_unless+0x8d/0xa1 [ 3660.024003] [] ext4_free_data_callback+0x3fb/0x533 [ 3660.065225] [] ? ext4_mb_discard_lg_preallocations+0x4e9/0x4e9 [ 3660.116670] [] ? __list_del_entry+0x20c/0x242 [ 3660.153886] [] ext4_journal_commit_callback+0x253/0x2a9 [ 3660.202188] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3660.237521] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3660.288819] [] jbd2_journal_commit_transaction+0x3f8f/0x48d8 [ 3660.335990] [] ? journal_submit_commit_record+0x494/0x494 [ 3660.384398] [] ? find_busiest_group+0x55f/0x55f [ 3660.421525] [] ? pvclock_clocksource_read+0x10d/0x171 [ 3660.487203] [] ? __msecs_to_jiffies+0x38/0x40 [ 3660.544598] [] ? update_next_balance.constprop.23+0x5a/0x7e [ 3660.608584] [] ? pick_next_task_fair+0xac3/0xb60 [ 3660.670484] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3660.719045] [] ? __asan_storeN+0x12/0x14 [ 3660.769121] [] ? native_load_sp0+0x5d/0x66 [ 3660.840073] [] ? finish_task_switch+0x345/0x4b3 [ 3660.898756] [] ? get_timer_cpu_base+0x141/0x151 [ 3660.955131] [] ? detach_if_pending+0x178/0x187 [ 3660.988365] [] ? _raw_spin_unlock_irqrestore+0x8/0x1d [ 3661.037190] [] ? try_to_del_timer_sync+0xf1/0x126 [ 3661.084727] [] ? del_timer+0x137/0x137 [ 3661.125205] [] ? __sanitizer_cov_trace_pc+0x6/0x138 [ 3661.169730] [] kjournald2+0x282/0x708 [ 3661.204244] [] ? kjournald2+0x282/0x708 [ 3661.242174] [] ? jbd2_seq_info_show+0x914/0x914 [ 3661.290520] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3661.332777] [] ? arch_local_irq_restore+0x6/0xd [ 3661.386288] [] kthread+0x1f7/0x20b [ 3661.421099] [] ? jbd2_seq_info_show+0x914/0x914 [ 3661.472866] [] ? init_completion+0x48/0x48 [ 3661.505502] [] ret_from_fork+0x1f/0x40 [ 3661.536312] [] ? init_completion+0x48/0x48 [ 3661.574907] ================================================================================ fsck from util-linux 2.20.1 [ 3661.634405] ================================================================================ [ 3661.708547] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2933:9 [ 3661.745237] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3661.814878] which requires 64 byte alignment [ 3661.841579] CPU: 2 PID: 166 Comm: jbd2/sda-8 Tainted: G L 4.8.11 #1 [ 3661.892303] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3661.955573] 00000000ffffffff 00000000a0f1c017 ffff88005aa9f420 ffffffffb26ec5cc [ 3662.008629] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3662.062553] ffff880000000010 ffff88005aa9f448 ffff88005aa9f3f8 ffffffffb363c3e0 [ 3662.122769] Call Trace: [ 3662.136504] [] dump_stack+0xd7/0x132 [ 3662.173652] [] ? arch_local_irq_restore+0x1b/0x1b [ 3662.212956] [] ubsan_epilogue+0x12/0x53 [ 3662.255288] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3662.300657] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3662.355868] [] mb_free_blocks+0x30c/0x13ad [ 3662.400982] [] ? vprintk_default+0x65/0x6e [ 3662.440333] [] ? ext4_mb_seq_groups_show+0x327/0x327 [ 3662.487963] [] ? dummy_rotate+0x6/0x6 [ 3662.521725] [] ? ubsan_epilogue+0x26/0x53 [ 3662.560099] [] ? rb_erase+0x10a/0xe4c [ 3662.607789] [] ? rb_insert_color+0x77d/0x77d [ 3662.644527] [] ? atomic_add_unless+0x8d/0xa1 [ 3662.694676] [] ext4_free_data_callback+0x3fb/0x533 [ 3662.740992] [] ? ext4_mb_discard_lg_preallocations+0x4e9/0x4e9 [ 3662.863301] [] ? __list_del_entry+0x20c/0x242 [ 3662.943967] [] ext4_journal_commit_callback+0x253/0x2a9 [ 3663.024407] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3663.088397] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3663.144231] [] jbd2_journal_commit_transaction+0x3f8f/0x48d8 [ 3663.241963] [] ? journal_submit_commit_record+0x494/0x494 [ 3663.320096] [] ? find_busiest_group+0x55f/0x55f [ 3663.373085] [] ? pvclock_clocksource_read+0x10d/0x171 [ 3663.423930] [] ? __msecs_to_jiffies+0x38/0x40 [ 3663.467915] [] ? update_next_balance.constprop.23+0x5a/0x7e [ 3663.518015] [] ? pick_next_task_fair+0xac3/0xb60 [ 3663.556212] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3663.604254] [] ? __asan_storeN+0x12/0x14 [ 3663.647926] [] ? native_load_sp0+0x5d/0x66 [ 3663.688744] [] ? finish_task_switch+0x345/0x4b3 [ 3663.741467] [] ? get_timer_cpu_base+0x141/0x151 [ 3663.841192] [] ? detach_if_pending+0x178/0x187 [ 3663.910007] [] ? _raw_spin_unlock_irqrestore+0x8/0x1d [ 3663.975157] [] ? try_to_del_timer_sync+0xf1/0x126 [ 3664.053571] [] ? del_timer+0x137/0x137 [ 3664.096345] [] ? __sanitizer_cov_trace_pc+0x6/0x138 [ 3664.175727] [] kjournald2+0x282/0x708 [ 3664.218776] [] ? kjournald2+0x282/0x708 [ 3664.252081] [] ? jbd2_seq_info_show+0x914/0x914 [ 3664.292760] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3664.337307] [] ? arch_local_irq_restore+0x6/0xd [ 3664.374662] [] kthread+0x1f7/0x20b [ 3664.409027] [] ? jbd2_seq_info_show+0x914/0x914 [ 3664.453279] [] ? init_completion+0x48/0x48 [ 3664.512354] [] ret_from_fork+0x1f/0x40 [ 3664.555162] [] ? init_completion+0x48/0x48 [ 3664.652966] ================================================================================ [ 3664.719635] ================================================================================ [ 3664.783587] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3664.815763] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3664.872975] which requires 64 byte alignment [ 3664.900643] CPU: 2 PID: 166 Comm: jbd2/sda-8 Tainted: G L 4.8.11 #1 [ 3664.953099] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3665.027484] 00000000ffffffff 00000000a0f1c017 ffff88005aa9f420 ffffffffb26ec5cc [ 3665.076255] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3665.162171] ffff880000000010 ffff88005aa9f448 ffff88005aa9f3f8 ffffffffb363c3e0 [ 3665.232686] Call Trace: [ 3665.256523] [] dump_stack+0xd7/0x132 [ 3665.322157] [] ? arch_local_irq_restore+0x1b/0x1b [ 3665.408152] [] ubsan_epilogue+0x12/0x53 [ 3665.495544] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3665.619958] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3665.720026] [] mb_free_blocks+0x6eb/0x13ad [ 3665.768923] [] ? ext4_mb_seq_groups_show+0x327/0x327 [ 3665.818816] [] ? dummy_rotate+0x6/0x6 [ 3665.864182] [] ? rb_erase+0x10a/0xe4c [ 3665.908906] [] ? rb_insert_color+0x77d/0x77d [ 3665.952348] [] ? atomic_add_unless+0x8d/0xa1 [ 3665.991178] [] ext4_free_data_callback+0x3fb/0x533 [ 3666.039807] [] ? ext4_mb_discard_lg_preallocations+0x4e9/0x4e9 [ 3666.088738] [] ? __list_del_entry+0x20c/0x242 [ 3666.130576] [] ext4_journal_commit_callback+0x253/0x2a9 [ 3666.180024] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3666.225697] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3666.275019] [] jbd2_journal_commit_transaction+0x3f8f/0x48d8 [ 3666.326005] [] ? journal_submit_commit_record+0x494/0x494 [ 3666.373694] [] ? find_busiest_group+0x55f/0x55f [ 3666.419936] [] ? pvclock_clocksource_read+0x10d/0x171 [ 3666.483354] [] ? __msecs_to_jiffies+0x38/0x40 [ 3666.526775] [] ? update_next_balance.constprop.23+0x5a/0x7e [ 3666.578938] [] ? pick_next_task_fair+0xac3/0xb60 [ 3666.639042] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3666.682819] [] ? __asan_storeN+0x12/0x14 [ 3666.725042] [] ? native_load_sp0+0x5d/0x66 [ 3666.775091] [] ? finish_task_switch+0x345/0x4b3 [ 3666.814965] [] ? get_timer_cpu_base+0x141/0x151 [ 3666.862878] [] ? detach_if_pending+0x178/0x187 [ 3666.905980] [] ? _raw_spin_unlock_irqrestore+0x8/0x1d [ 3666.967671] [] ? try_to_del_timer_sync+0xf1/0x126 [ 3667.010633] [] ? del_timer+0x137/0x137 [ 3667.043402] [] ? __sanitizer_cov_trace_pc+0x6/0x138 [ 3667.091519] [] kjournald2+0x282/0x708 [ 3667.124516] [] ? kjournald2+0x282/0x708 [ 3667.159527] [] ? jbd2_seq_info_show+0x914/0x914 [ 3667.199686] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3667.242941] [] ? arch_local_irq_restore+0x6/0xd [ 3667.284082] [] kthread+0x1f7/0x20b [ 3667.313645] [] ? jbd2_seq_info_show+0x914/0x914 [ 3667.360593] [] ? init_completion+0x48/0x48 [ 3667.404590] [] ret_from_fork+0x1f/0x40 [ 3667.460246] [] ? init_completion+0x48/0x48 [ 3667.509150] ================================================================================ [ 3667.572021] ================================================================================ [ 3667.634670] UBSAN: Undefined behaviour in fs/ext4/inode.c:2667:6 [ 3667.675759] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3667.735325] which requires 64 byte alignment [ 3667.759522] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3667.820210] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3667.887537] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf968 ffffffffb26ec5cc [ 3667.952314] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3668.004267] ffff880000000010 ffff88009e9bf990 ffff88009e9bf940 ffffffffb363c3e0 [ 3668.052107] Call Trace: [ 3668.065405] [] dump_stack+0xd7/0x132 [ 3668.105500] [] ? arch_local_irq_restore+0x1b/0x1b [ 3668.153373] [] ubsan_epilogue+0x12/0x53 [ 3668.187064] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3668.230691] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3668.286179] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3668.327022] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3668.374192] [] ext4_writepages+0x465/0x1c84 [ 3668.407894] [] ? up_write+0x8c/0xd9 [ 3668.443634] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3668.487660] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3668.536176] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3668.584241] [] ? wb_get+0xde/0x11f [ 3668.622831] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3668.668758] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3668.714070] [] do_writepages+0xe5/0x10c [ 3668.752677] [] ? do_writepages+0xe5/0x10c [ 3668.798103] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3668.839041] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3668.886691] [] ? replace_page_cache_page+0x235/0x235 [ 3668.934149] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3668.984769] [] filemap_flush+0x2a/0x2c [ 3669.025026] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3669.063205] [] ? ext4_release_file+0x49/0x260 [ 3669.114031] [] ext4_release_file+0x64/0x260 [ 3669.172112] [] __fput+0x38b/0x68b [ 3669.213217] [] ____fput+0x1c/0x1e [ 3669.267794] [] task_work_run+0x11e/0x140 [ 3669.336398] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3669.391574] [] syscall_return_slowpath+0x1b4/0x247 [ 3669.437101] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3669.480261] ================================================================================ [ 3669.545269] ================================================================================ [ 3669.614237] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3669.680661] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3669.827371] which requires 64 byte alignment [ 3669.893546] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3669.956408] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3670.021575] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf948 ffffffffb26ec5cc [ 3670.071409] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3670.123477] ffff880000000010 ffff88009e9bf970 ffff88009e9bf920 ffffffffb363c3e0 [ 3670.188736] Call Trace: [ 3670.207242] [] dump_stack+0xd7/0x132 [ 3670.242991] [] ? arch_local_irq_restore+0x1b/0x1b [ 3670.289683] [] ubsan_epilogue+0x12/0x53 [ 3670.338716] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3670.389348] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3670.440459] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3670.513406] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3670.576242] [] ext4_should_dioread_nolock+0x4f/0xfc [ 3670.655301] [] ext4_writepages+0x49d/0x1c84 [ 3670.711846] [] ? up_write+0x8c/0xd9 [ 3670.750396] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3670.824776] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3670.876581] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3670.941241] [] ? wb_get+0xde/0x11f [ 3670.980285] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3671.039122] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3671.084951] [] do_writepages+0xe5/0x10c [ 3671.138427] [] ? do_writepages+0xe5/0x10c [ 3671.186550] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3671.242683] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3671.294032] [] ? replace_page_cache_page+0x235/0x235 [ 3671.361095] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3671.420353] [] filemap_flush+0x2a/0x2c [ 3671.459738] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3671.499867] [] ? ext4_release_file+0x49/0x260 [ 3671.543219] [] ext4_release_file+0x64/0x260 [ 3671.593780] [] __fput+0x38b/0x68b [ 3671.631034] [] ____fput+0x1c/0x1e [ 3671.663605] [] task_work_run+0x11e/0x140 [ 3671.700160] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3671.791364] [] syscall_return_slowpath+0x1b4/0x247 [ 3671.858951] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3671.917433] ================================================================================ [ 3671.979667] ================================================================================ [ 3672.044754] UBSAN: Undefined behaviour in fs/ext4/ext4_jbd2.h:456:7 [ 3672.099573] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3672.180425] which requires 64 byte alignment [ 3672.255209] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3672.328425] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3672.415349] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf948 ffffffffb26ec5cc [ 3672.475795] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3672.529547] ffffffff00000010 ffff88009e9bf970 ffff88009e9bf920 ffffffffb363c3e0 [ 3672.595994] Call Trace: [ 3672.612001] [] dump_stack+0xd7/0x132 [ 3672.644656] [] ? arch_local_irq_restore+0x1b/0x1b [ 3672.694200] [] ubsan_epilogue+0x12/0x53 [ 3672.731147] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3672.788683] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3672.843968] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3672.901451] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3672.947251] [] ext4_should_dioread_nolock+0x7e/0xfc [ 3672.987817] [] ext4_writepages+0x49d/0x1c84 [ 3673.034626] [] ? up_write+0x8c/0xd9 [ 3673.070839] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3673.108024] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3673.159642] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3673.203681] [] ? wb_get+0xde/0x11f [ 3673.236764] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3673.289309] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3673.339687] [] do_writepages+0xe5/0x10c [ 3673.378795] [] ? do_writepages+0xe5/0x10c [ 3673.417292] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3673.475831] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3673.542493] [] ? replace_page_cache_page+0x235/0x235 [ 3673.587806] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3673.633156] [] filemap_flush+0x2a/0x2c [ 3673.705470] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3673.750662] [] ? ext4_release_file+0x49/0x260 [ 3673.793102] [] ext4_release_file+0x64/0x260 [ 3673.839779] [] __fput+0x38b/0x68b [ 3673.873395] [] ____fput+0x1c/0x1e [ 3673.908617] [] task_work_run+0x11e/0x140 [ 3673.947028] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3673.985281] [] syscall_return_slowpath+0x1b4/0x247 [ 3674.035274] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3674.073999] ================================================================================ [ 3674.133019] ================================================================================ [ 3674.199873] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3674.240216] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3674.299322] which requires 64 byte alignment [ 3674.328377] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3674.381257] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3674.460873] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf968 ffffffffb26ec5cc [ 3674.513021] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3674.565479] 0000000000000010 ffff88009e9bf990 ffff88009e9bf940 ffffffffb363c3e0 [ 3674.614461] Call Trace: [ 3674.631840] [] dump_stack+0xd7/0x132 [ 3674.666062] [] ? arch_local_irq_restore+0x1b/0x1b [ 3674.707950] [] ubsan_epilogue+0x12/0x53 [ 3674.742269] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3674.791951] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3674.843460] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3674.886852] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3674.925048] [] ext4_writepages+0xd48/0x1c84 [ 3674.964467] [] ? up_write+0x8c/0xd9 [ 3675.007199] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3675.047823] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3675.092109] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3675.137780] [] ? wb_get+0xde/0x11f [ 3675.171523] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3675.226052] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3675.267251] [] do_writepages+0xe5/0x10c [ 3675.300331] [] ? do_writepages+0xe5/0x10c [ 3675.335758] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3675.386585] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3675.439390] [] ? replace_page_cache_page+0x235/0x235 [ 3675.485059] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3675.546314] [] filemap_flush+0x2a/0x2c [ 3675.583567] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3675.640700] [] ? ext4_release_file+0x49/0x260 [ 3675.695808] [] ext4_release_file+0x64/0x260 [ 3675.740157] [] __fput+0x38b/0x68b [ 3675.780016] [] ____fput+0x1c/0x1e [ 3675.814480] [] task_work_run+0x11e/0x140 [ 3675.849120] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3675.900038] [] syscall_return_slowpath+0x1b4/0x247 [ 3675.946363] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3675.988794] ================================================================================ [ 3676.058441] ================================================================================ [ 3676.112919] UBSAN: Undefined behaviour in fs/ext4/ext4_jbd2.h:358:6 [ 3676.159732] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3676.227386] which requires 64 byte alignment [ 3676.258903] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3676.307837] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3676.374758] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf968 ffffffffb26ec5cc [ 3676.427108] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3676.477471] ffffffff00000010 ffff88009e9bf990 ffff88009e9bf940 ffffffffb363c3e0 [ 3676.539697] Call Trace: [ 3676.583067] [] dump_stack+0xd7/0x132 [ 3676.658111] [] ? arch_local_irq_restore+0x1b/0x1b [ 3676.715902] [] ubsan_epilogue+0x12/0x53 [ 3676.757494] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3676.800420] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3676.854415] [] ? ext4_inode_journal_mode+0x30b/0x319 [ 3676.910553] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3676.949222] [] ext4_writepages+0xd5c/0x1c84 [ 3676.989405] [] ? up_write+0x8c/0xd9 [ 3677.040312] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3677.094267] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3677.143215] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3677.201539] [] ? wb_get+0xde/0x11f [ 3677.246522] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3677.296578] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3677.341634] [] do_writepages+0xe5/0x10c [ 3677.382716] [] ? do_writepages+0xe5/0x10c [ 3677.430619] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3677.479386] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3677.536394] [] ? replace_page_cache_page+0x235/0x235 [ 3677.581630] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3677.629685] [] filemap_flush+0x2a/0x2c [ 3677.671577] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3677.712091] [] ? ext4_release_file+0x49/0x260 [ 3677.749354] [] ext4_release_file+0x64/0x260 [ 3677.793724] [] __fput+0x38b/0x68b [ 3677.830683] [] ____fput+0x1c/0x1e [ 3677.860825] [] task_work_run+0x11e/0x140 [ 3677.903127] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3677.956442] [] syscall_return_slowpath+0x1b4/0x247 [ 3678.015609] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3678.163717] ================================================================================ [ 3678.247960] ================================================================================ [ 3678.334598] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1456:28 [ 3678.379090] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3678.444906] which requires 64 byte alignment [ 3678.475541] CPU: 2 PID: 166 Comm: jbd2/sda-8 Tainted: G L 4.8.11 #1 [ 3678.552215] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3678.625226] 00000000ffffffff 00000000a0f1c017 ffff88005aa9f420 ffffffffb26ec5cc [ 3678.680963] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3678.750232] ffff880000000010 ffff88005aa9f448 ffff88005aa9f3f8 ffffffffb363c3e0 [ 3678.807644] Call Trace: [ 3678.824656] [] dump_stack+0xd7/0x132 [ 3678.861011] [] ? arch_local_irq_restore+0x1b/0x1b [ 3678.907752] [] ubsan_epilogue+0x12/0x53 [ 3678.945141] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3678.990274] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3679.039965] [] mb_free_blocks+0x71f/0x13ad [ 3679.076766] [] ? ext4_mb_seq_groups_show+0x327/0x327 [ 3679.126222] [] ? dummy_rotate+0x6/0x6 [ 3679.163845] [] ? rb_erase+0x10a/0xe4c [ 3679.203783] [] ? rb_insert_color+0x77d/0x77d [ 3679.244878] [] ? atomic_add_unless+0x8d/0xa1 [ 3679.399815] [] ext4_free_data_callback+0x3fb/0x533 [ 3679.460270] [] ? ext4_mb_discard_lg_preallocations+0x4e9/0x4e9 [ 3679.505341] [] ? __list_del_entry+0x20c/0x242 [ 3679.558109] [] ext4_journal_commit_callback+0x253/0x2a9 [ 3679.612881] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3679.674581] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3679.758828] [] jbd2_journal_commit_transaction+0x3f8f/0x48d8 [ 3679.899497] [] ? journal_submit_commit_record+0x494/0x494 [ 3679.961510] [] ? find_busiest_group+0x55f/0x55f [ 3680.058786] [] ? pvclock_clocksource_read+0x10d/0x171 [ 3680.232411] [] ? __msecs_to_jiffies+0x38/0x40 [ 3680.340843] [] ? update_next_balance.constprop.23+0x5a/0x7e [ 3680.398649] [] ? pick_next_task_fair+0xac3/0xb60 [ 3680.436879] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3680.488912] [] ? __asan_storeN+0x12/0x14 [ 3680.530664] [] ? native_load_sp0+0x5d/0x66 [ 3680.616164] [] ? finish_task_switch+0x345/0x4b3 [ 3680.691977] [] ? get_timer_cpu_base+0x141/0x151 [ 3680.734560] [] ? detach_if_pending+0x178/0x187 [ 3680.775653] [] ? _raw_spin_unlock_irqrestore+0x8/0x1d [ 3680.822820] [] ? try_to_del_timer_sync+0xf1/0x126 [ 3680.878168] [] ? del_timer+0x137/0x137 [ 3680.908971] [] ? __sanitizer_cov_trace_pc+0x6/0x138 [ 3680.953661] [] kjournald2+0x282/0x708 [ 3680.995526] [] ? kjournald2+0x282/0x708 [ 3681.039721] [] ? jbd2_seq_info_show+0x914/0x914 [ 3681.081369] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3681.121764] [] ? arch_local_irq_restore+0x6/0xd [ 3681.180521] [] kthread+0x1f7/0x20b [ 3681.239027] [] ? jbd2_seq_info_show+0x914/0x914 [ 3681.419801] [] ? init_completion+0x48/0x48 [ 3681.660895] [] ret_from_fork+0x1f/0x40 [ 3681.777660] [] ? init_completion+0x48/0x48 [ 3681.884964] ================================================================================ [ 3681.957787] ================================================================================ [ 3682.167993] UBSAN: Undefined behaviour in fs/ext4/extents.c:4404:19 [ 3682.230365] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3682.297653] which requires 64 byte alignment [ 3682.328544] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3682.374976] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3682.449983] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf5f8 ffffffffb26ec5cc [ 3682.716420] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3682.830684] ffff880000000010 ffff88009e9bf620 ffff88009e9bf5d0 ffffffffb363c3e0 [ 3682.903061] Call Trace: [ 3682.924263] [] dump_stack+0xd7/0x132 [ 3682.983377] [] ? arch_local_irq_restore+0x1b/0x1b [ 3683.053409] [] ubsan_epilogue+0x12/0x53 [ 3683.098992] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3683.156519] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3683.216890] [] ? ext4_find_extent+0x7b4/0x7c6 [ 3683.275268] [] ext4_ext_map_blocks+0xe91/0x25b7 [ 3683.334058] [] ? free_hot_cold_page_list+0x66/0x198 [ 3683.381081] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3683.455749] [] ? find_get_entry+0x104/0x104 [ 3683.510566] [] ? __put_compound_page+0x77/0x77 [ 3683.568455] [] ? lru_add_drain_cpu+0x310/0x31c [ 3683.699781] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3683.771238] [] ? down_write+0xb3/0xea [ 3683.820525] [] ? __down_timeout+0x18/0x18 [ 3683.874378] [] ext4_map_blocks+0x815/0xef8 [ 3683.944258] [] ? ext4_issue_zeroout+0x182/0x182 [ 3683.985640] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3684.027100] [] ext4_writepages+0xab5/0x1c84 [ 3684.064605] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3684.111435] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3684.155341] [] ? wb_get+0xde/0x11f [ 3684.188490] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3684.235862] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3684.293148] [] do_writepages+0xe5/0x10c [ 3684.352291] [] ? do_writepages+0xe5/0x10c [ 3684.430055] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3684.483202] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3684.535592] [] ? replace_page_cache_page+0x235/0x235 [ 3684.576083] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3684.620030] [] filemap_flush+0x2a/0x2c [ 3684.655979] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3684.705713] [] ? ext4_release_file+0x49/0x260 [ 3684.755260] [] ext4_release_file+0x64/0x260 [ 3684.793496] [] __fput+0x38b/0x68b [ 3684.833255] [] ____fput+0x1c/0x1e [ 3684.875332] [] task_work_run+0x11e/0x140 [ 3684.919888] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3684.965474] [] syscall_return_slowpath+0x1b4/0x247 [ 3685.023598] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3685.085087] ================================================================================ [ 3685.146527] ================================================================================ [ 3685.213269] UBSAN: Undefined behaviour in fs/ext4/extents.c:4431:10 [ 3685.251561] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3685.305006] which requires 64 byte alignment [ 3685.333083] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3685.388159] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3685.448505] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf5f8 ffffffffb26ec5cc [ 3685.504354] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3685.552685] ffffffff00000010 ffff88009e9bf620 ffff88009e9bf5d0 ffffffffb363c3e0 [ 3685.606092] Call Trace: [ 3685.619942] [] dump_stack+0xd7/0x132 [ 3685.654539] [] ? arch_local_irq_restore+0x1b/0x1b [ 3685.704902] [] ubsan_epilogue+0x12/0x53 [ 3685.740392] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3685.784736] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3685.835299] [] ? ext4_find_extent+0x7b4/0x7c6 [ 3685.876186] [] ext4_ext_map_blocks+0x14ed/0x25b7 [ 3685.916653] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3685.957697] [] ? find_get_entry+0x104/0x104 [ 3686.035326] [] ? __put_compound_page+0x77/0x77 [ 3686.260281] [] ? lru_add_drain_cpu+0x310/0x31c [ 3686.371815] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3686.484903] [] ? down_write+0xb3/0xea [ 3686.530936] [] ? __down_timeout+0x18/0x18 [ 3686.579080] [] ext4_map_blocks+0x815/0xef8 [ 3686.630778] [] ? ext4_issue_zeroout+0x182/0x182 [ 3686.670605] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3686.713417] [] ext4_writepages+0xab5/0x1c84 [ 3686.749784] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3686.797939] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3686.848286] [] ? wb_get+0xde/0x11f [ 3686.879473] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3686.931679] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3686.977746] [] do_writepages+0xe5/0x10c [ 3687.022903] [] ? do_writepages+0xe5/0x10c [ 3687.061649] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3687.109311] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3687.158697] [] ? replace_page_cache_page+0x235/0x235 [ 3687.197617] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3687.237143] [] filemap_flush+0x2a/0x2c [ 3687.271299] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3687.312150] [] ? ext4_release_file+0x49/0x260 [ 3687.348404] [] ext4_release_file+0x64/0x260 [ 3687.381741] [] __fput+0x38b/0x68b [ 3687.419078] [] ____fput+0x1c/0x1e [ 3687.453674] [] task_work_run+0x11e/0x140 [ 3687.483873] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3687.531383] [] syscall_return_slowpath+0x1b4/0x247 [ 3687.573158] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3687.617627] ================================================================================ [ 3687.674947] ================================================================================ [ 3687.726242] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3687.763653] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3687.821312] which requires 64 byte alignment [ 3687.849557] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3687.897772] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3687.971376] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf580 ffffffffb26ec5cc [ 3688.023135] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3688.080702] ffffffff00000010 ffff88009e9bf5a8 ffff88009e9bf558 ffffffffb363c3e0 [ 3688.131053] Call Trace: [ 3688.147929] [] dump_stack+0xd7/0x132 [ 3688.174900] [] ? arch_local_irq_restore+0x1b/0x1b [ 3688.215550] [] ubsan_epilogue+0x12/0x53 [ 3688.255496] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3688.294954] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3688.340867] [] ext4_inode_to_goal_block+0x68/0x448 [ 3688.381381] [] ext4_ext_find_goal+0x1ab/0x1bf [ 3688.417274] [] ext4_ext_map_blocks+0x198a/0x25b7 [ 3688.457675] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3688.503781] [] ? find_get_entry+0x104/0x104 [ 3688.550964] [] ? __put_compound_page+0x77/0x77 [ 3688.606544] [] ? lru_add_drain_cpu+0x310/0x31c [ 3688.656594] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3688.702500] [] ? __down_timeout+0x18/0x18 [ 3688.732653] [] ext4_map_blocks+0x815/0xef8 [ 3688.772842] [] ? ext4_issue_zeroout+0x182/0x182 [ 3688.816161] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3688.869149] [] ext4_writepages+0xab5/0x1c84 [ 3688.906545] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3688.952507] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3688.995803] [] ? wb_get+0xde/0x11f [ 3689.027229] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3689.079854] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3689.119973] [] do_writepages+0xe5/0x10c [ 3689.163516] [] ? do_writepages+0xe5/0x10c [ 3689.201436] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3689.247514] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3689.315070] [] ? replace_page_cache_page+0x235/0x235 [ 3689.356469] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3689.397426] [] filemap_flush+0x2a/0x2c [ 3689.432882] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3689.474964] [] ? ext4_release_file+0x49/0x260 [ 3689.520024] [] ext4_release_file+0x64/0x260 [ 3689.569206] [] __fput+0x38b/0x68b [ 3689.597625] [] ____fput+0x1c/0x1e [ 3689.637965] [] task_work_run+0x11e/0x140 [ 3689.681336] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3689.728540] [] syscall_return_slowpath+0x1b4/0x247 [ 3689.768205] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3689.805119] ================================================================================ [ 3689.887971] ================================================================================ [ 3690.173376] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2841:17 [ 3690.269506] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3690.396548] which requires 64 byte alignment [ 3690.520246] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3690.694809] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3690.827420] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf580 ffffffffb26ec5cc [ 3690.895922] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3690.956368] ffff880000000010 ffff88009e9bf5a8 ffff88009e9bf558 ffffffffb363c3e0 [ 3691.008175] Call Trace: [ 3691.027274] [] dump_stack+0xd7/0x132 [ 3691.076497] [] ? arch_local_irq_restore+0x1b/0x1b [ 3691.132111] [] ubsan_epilogue+0x12/0x53 [ 3691.170888] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3691.215222] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3691.258067] [] ext4_inode_to_goal_block+0x97/0x448 [ 3691.296716] [] ext4_ext_find_goal+0x1ab/0x1bf [ 3691.340251] [] ext4_ext_map_blocks+0x198a/0x25b7 [ 3691.379011] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3691.424127] [] ? find_get_entry+0x104/0x104 [ 3691.473991] [] ? __put_compound_page+0x77/0x77 [ 3691.511516] [] ? lru_add_drain_cpu+0x310/0x31c [ 3691.547607] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3691.912567] [] ? __down_timeout+0x18/0x18 [ 3691.970728] [] ext4_map_blocks+0x815/0xef8 [ 3692.024433] [] ? ext4_issue_zeroout+0x182/0x182 [ 3692.085091] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3692.124626] [] ext4_writepages+0xab5/0x1c84 [ 3692.182996] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3692.235350] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3692.279995] [] ? wb_get+0xde/0x11f [ 3692.314762] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3692.568039] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3692.633197] [] do_writepages+0xe5/0x10c [ 3692.696999] [] ? do_writepages+0xe5/0x10c [ 3692.735611] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3692.787885] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3692.853394] [] ? replace_page_cache_page+0x235/0x235 [ 3693.153552] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3693.213779] [] filemap_flush+0x2a/0x2c [ 3693.267301] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3693.327820] [] ? ext4_release_file+0x49/0x260 [ 3693.386338] [] ext4_release_file+0x64/0x260 [ 3693.694793] [] __fput+0x38b/0x68b [ 3693.754233] [] ____fput+0x1c/0x1e [ 3693.792386] [] task_work_run+0x11e/0x140 [ 3693.828900] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3693.884603] [] syscall_return_slowpath+0x1b4/0x247 [ 3693.923355] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3693.955032] ================================================================================ [ 3694.010719] ================================================================================ [ 3694.067211] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3694.106771] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3694.212754] which requires 64 byte alignment [ 3694.254856] CPU: 2 PID: 166 Comm: jbd2/sda-8 Tainted: G L 4.8.11 #1 [ 3694.314354] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3694.378098] 00000000ffffffff 00000000a0f1c017 ffff88005aa9f5f0 ffffffffb26ec5cc [ 3694.422959] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3694.468462] ffff880000000010 ffff88005aa9f618 ffff88005aa9f5c8 ffffffffb363c3e0 [ 3694.519262] Call Trace: [ 3694.538212] [] dump_stack+0xd7/0x132 [ 3694.566671] [] ? arch_local_irq_restore+0x1b/0x1b [ 3694.607279] [] ubsan_epilogue+0x12/0x53 [ 3694.643165] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3694.689337] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3694.752305] [] ext4_free_data_callback+0x415/0x533 [ 3694.808623] [] ? ext4_mb_discard_lg_preallocations+0x4e9/0x4e9 [ 3694.868854] [] ? __list_del_entry+0x20c/0x242 [ 3694.915137] [] ext4_journal_commit_callback+0x253/0x2a9 [ 3694.966376] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3695.006687] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3695.053700] [] jbd2_journal_commit_transaction+0x3f8f/0x48d8 [ 3695.099494] [] ? journal_submit_commit_record+0x494/0x494 [ 3695.144990] [] ? find_busiest_group+0x55f/0x55f [ 3695.197797] [] ? pvclock_clocksource_read+0x10d/0x171 [ 3695.243554] [] ? __msecs_to_jiffies+0x38/0x40 [ 3695.284773] [] ? update_next_balance.constprop.23+0x5a/0x7e [ 3695.332819] [] ? pick_next_task_fair+0xac3/0xb60 [ 3695.374623] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3695.417281] [] ? __asan_storeN+0x12/0x14 [ 3695.463313] [] ? native_load_sp0+0x5d/0x66 [ 3695.511456] [] ? finish_task_switch+0x345/0x4b3 [ 3695.567183] [] ? get_timer_cpu_base+0x141/0x151 [ 3695.610855] [] ? detach_if_pending+0x178/0x187 [ 3695.651562] [] ? _raw_spin_unlock_irqrestore+0x8/0x1d [ 3695.696948] [] ? try_to_del_timer_sync+0xf1/0x126 [ 3695.738849] [] ? del_timer+0x137/0x137 [ 3695.771728] [] ? __sanitizer_cov_trace_pc+0x6/0x138 [ 3695.814157] [] kjournald2+0x282/0x708 [ 3695.847736] [] ? kjournald2+0x282/0x708 [ 3695.887103] [] ? jbd2_seq_info_show+0x914/0x914 [ 3695.929029] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3695.969788] [] ? arch_local_irq_restore+0x6/0xd [ 3696.011143] [] kthread+0x1f7/0x20b [ 3696.044730] [] ? jbd2_seq_info_show+0x914/0x914 [ 3696.094898] [] ? init_completion+0x48/0x48 [ 3696.133689] [] ret_from_fork+0x1f/0x40 [ 3696.167306] [] ? init_completion+0x48/0x48 [ 3696.205533] ================================================================================ [ 3696.261168] ================================================================================ [ 3696.330636] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3696.368818] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3696.427876] which requires 64 byte alignment [ 3696.465487] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3696.509227] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3696.569170] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf580 ffffffffb26ec5cc [ 3696.621284] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3696.677751] ffff880000000010 ffff88009e9bf5a8 ffff88009e9bf558 ffffffffb363c3e0 [ 3696.730803] Call Trace: [ 3696.750778] [] dump_stack+0xd7/0x132 [ 3696.777749] [] ? arch_local_irq_restore+0x1b/0x1b [ 3696.827994] [] ubsan_epilogue+0x12/0x53 [ 3696.863181] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3696.910580] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3696.958843] [] ext4_inode_to_goal_block+0x1b7/0x448 [ 3696.998839] [] ext4_ext_find_goal+0x1ab/0x1bf [ 3697.032915] [] ext4_ext_map_blocks+0x198a/0x25b7 [ 3697.070608] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3697.124554] [] ? find_get_entry+0x104/0x104 [ 3697.167185] [] ? __put_compound_page+0x77/0x77 [ 3697.201352] [] ? lru_add_drain_cpu+0x310/0x31c [ 3697.240433] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3697.282885] [] ? __down_timeout+0x18/0x18 [ 3697.323026] [] ext4_map_blocks+0x815/0xef8 [ 3697.355805] [] ? ext4_issue_zeroout+0x182/0x182 [ 3697.399067] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3697.447349] [] ext4_writepages+0xab5/0x1c84 [ 3697.489972] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3697.529454] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3697.574420] [] ? wb_get+0xde/0x11f [ 3697.611146] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3697.660192] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3697.697014] [] do_writepages+0xe5/0x10c [ 3697.738987] [] ? do_writepages+0xe5/0x10c [ 3697.774080] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3697.822811] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3697.870608] [] ? replace_page_cache_page+0x235/0x235 [ 3697.927497] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3697.989042] [] filemap_flush+0x2a/0x2c [ 3698.024104] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3698.066298] [] ? ext4_release_file+0x49/0x260 [ 3698.095552] [] ext4_release_file+0x64/0x260 [ 3698.133341] [] __fput+0x38b/0x68b [ 3698.163056] [] ____fput+0x1c/0x1e [ 3698.197208] [] task_work_run+0x11e/0x140 [ 3698.236214] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3698.278852] [] syscall_return_slowpath+0x1b4/0x247 [ 3698.320402] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3698.379430] ================================================================================ [ 3698.513482] ================================================================================ [ 3698.783946] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2836:7 [ 3699.006228] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3699.256707] which requires 64 byte alignment [ 3699.304652] CPU: 2 PID: 166 Comm: jbd2/sda-8 Tainted: G L 4.8.11 #1 [ 3699.360672] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3699.427074] 00000000ffffffff 00000000a0f1c017 ffff88005aa9f5f0 ffffffffb26ec5cc [ 3699.477643] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3699.519950] ffff880000000010 ffff88005aa9f618 ffff88005aa9f5c8 ffffffffb363c3e0 [ 3699.560529] Call Trace: [ 3699.577625] [] dump_stack+0xd7/0x132 [ 3699.615865] [] ? arch_local_irq_restore+0x1b/0x1b [ 3699.651533] [] ubsan_epilogue+0x12/0x53 [ 3699.690447] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3699.733085] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3699.778756] [] ext4_free_data_callback+0x444/0x533 [ 3699.821090] [] ? ext4_mb_discard_lg_preallocations+0x4e9/0x4e9 [ 3699.881136] [] ? __list_del_entry+0x20c/0x242 [ 3699.923621] [] ext4_journal_commit_callback+0x253/0x2a9 [ 3699.981728] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3700.023306] [] ? ext4_lazyinit_thread+0x6a9/0x6a9 [ 3700.075064] [] jbd2_journal_commit_transaction+0x3f8f/0x48d8 [ 3700.123719] [] ? journal_submit_commit_record+0x494/0x494 [ 3700.178154] [] ? find_busiest_group+0x55f/0x55f [ 3700.216517] [] ? pvclock_clocksource_read+0x10d/0x171 [ 3700.257362] [] ? __msecs_to_jiffies+0x38/0x40 [ 3700.303833] [] ? update_next_balance.constprop.23+0x5a/0x7e [ 3700.351912] [] ? pick_next_task_fair+0xac3/0xb60 [ 3700.395489] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3700.433221] [] ? __asan_storeN+0x12/0x14 [ 3700.471809] [] ? native_load_sp0+0x5d/0x66 [ 3700.506691] [] ? finish_task_switch+0x345/0x4b3 [ 3700.543030] [] ? get_timer_cpu_base+0x141/0x151 [ 3700.583091] [] ? detach_if_pending+0x178/0x187 [ 3700.617405] [] ? _raw_spin_unlock_irqrestore+0x8/0x1d [ 3700.657280] [] ? try_to_del_timer_sync+0xf1/0x126 [ 3700.696174] [] ? del_timer+0x137/0x137 [ 3700.733772] [] ? __sanitizer_cov_trace_pc+0x6/0x138 [ 3700.779077] [] kjournald2+0x282/0x708 [ 3700.807967] [] ? kjournald2+0x282/0x708 [ 3700.854560] [] ? jbd2_seq_info_show+0x914/0x914 [ 3700.896611] [] ? abort_exclusive_wait+0x1bf/0x1bf [ 3700.934486] [] ? arch_local_irq_restore+0x6/0xd [ 3700.969608] [] kthread+0x1f7/0x20b [ 3701.008978] [] ? jbd2_seq_info_show+0x914/0x914 [ 3701.045679] [] ? init_completion+0x48/0x48 [ 3701.086394] [] ret_from_fork+0x1f/0x40 [ 3701.121178] [] ? init_completion+0x48/0x48 [ 3701.161656] ================================================================================ [ 3701.213014] ================================================================================ [ 3701.238955] UBSAN: Undefined behaviour in fs/ext4/balloc.c:877:15 [ 3701.257640] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3701.284192] which requires 64 byte alignment [ 3701.299498] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3701.323200] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3701.352042] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf580 ffffffffb26ec5cc [ 3701.377007] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3701.400832] ffff880000000010 ffff88009e9bf5a8 ffff88009e9bf558 ffffffffb363c3e0 [ 3701.425108] Call Trace: [ 3701.431540] [] dump_stack+0xd7/0x132 [ 3701.448458] [] ? arch_local_irq_restore+0x1b/0x1b [ 3701.472301] [] ubsan_epilogue+0x12/0x53 [ 3701.492312] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3701.510431] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3701.534098] [] ext4_inode_to_goal_block+0x1e4/0x448 [ 3701.554941] [] ext4_ext_find_goal+0x1ab/0x1bf [ 3701.577628] [] ext4_ext_map_blocks+0x198a/0x25b7 [ 3701.596493] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3701.618547] [] ? find_get_entry+0x104/0x104 [ 3701.638414] [] ? __put_compound_page+0x77/0x77 [ 3701.658488] [] ? lru_add_drain_cpu+0x310/0x31c [ 3701.677734] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3701.702825] [] ? __down_timeout+0x18/0x18 [ 3701.720122] [] ext4_map_blocks+0x815/0xef8 [ 3701.737007] [] ? ext4_issue_zeroout+0x182/0x182 [ 3701.755063] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3701.775949] [] ext4_writepages+0xab5/0x1c84 [ 3701.795633] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3701.816312] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3701.838515] [] ? wb_get+0xde/0x11f [ 3701.855295] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3701.878140] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3701.901728] [] do_writepages+0xe5/0x10c [ 3701.919585] [] ? do_writepages+0xe5/0x10c [ 3701.938906] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3701.961418] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3701.982247] [] ? replace_page_cache_page+0x235/0x235 [ 3702.005467] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3702.022909] [] filemap_flush+0x2a/0x2c [ 3702.040105] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3702.062626] [] ? ext4_release_file+0x49/0x260 [ 3702.081052] [] ext4_release_file+0x64/0x260 [ 3702.101698] [] __fput+0x38b/0x68b [ 3702.119001] [] ____fput+0x1c/0x1e [ 3702.133992] [] task_work_run+0x11e/0x140 [ 3702.149052] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3702.170309] [] syscall_return_slowpath+0x1b4/0x247 [ 3702.200111] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3702.228292] ================================================================================ [ 3702.256829] ================================================================================ [ 3702.283690] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3702.303930] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3702.337551] which requires 64 byte alignment [ 3702.353357] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3702.376957] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3702.409350] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf580 ffffffffb26ec5cc [ 3702.436091] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3702.459646] ffff880000000010 ffff88009e9bf5a8 ffff88009e9bf558 ffffffffb363c3e0 [ 3702.483277] Call Trace: [ 3702.491164] [] dump_stack+0xd7/0x132 [ 3702.505176] [] ? arch_local_irq_restore+0x1b/0x1b [ 3702.523317] [] ubsan_epilogue+0x12/0x53 [ 3702.539959] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3702.562111] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3702.584270] [] ext4_inode_to_goal_block+0x280/0x448 [ 3702.603204] [] ext4_ext_find_goal+0x1ab/0x1bf [ 3702.620762] [] ext4_ext_map_blocks+0x198a/0x25b7 [ 3702.642078] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3702.670466] [] ? find_get_entry+0x104/0x104 [ 3702.691434] [] ? __put_compound_page+0x77/0x77 [ 3702.713063] [] ? lru_add_drain_cpu+0x310/0x31c [ 3702.728984] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3702.755644] [] ? __down_timeout+0x18/0x18 [ 3702.772676] [] ext4_map_blocks+0x815/0xef8 [ 3702.795284] [] ? ext4_issue_zeroout+0x182/0x182 [ 3702.819573] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3702.839912] [] ext4_writepages+0xab5/0x1c84 [ 3702.864720] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3702.885657] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3702.910153] [] ? wb_get+0xde/0x11f [ 3702.928336] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3702.954058] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3702.976455] [] do_writepages+0xe5/0x10c [ 3702.993744] [] ? do_writepages+0xe5/0x10c [ 3703.013671] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3703.036976] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3703.059613] [] ? replace_page_cache_page+0x235/0x235 [ 3703.080194] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3703.101466] [] filemap_flush+0x2a/0x2c [ 3703.119235] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3703.136288] [] ? ext4_release_file+0x49/0x260 [ 3703.152855] [] ext4_release_file+0x64/0x260 [ 3703.173582] [] __fput+0x38b/0x68b [ 3703.191230] [] ____fput+0x1c/0x1e [ 3703.204596] [] task_work_run+0x11e/0x140 [ 3703.224727] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3703.245137] [] syscall_return_slowpath+0x1b4/0x247 [ 3703.270602] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3703.290876] ================================================================================ [ 3703.313443] ================================================================================ [ 3703.340092] UBSAN: Undefined behaviour in fs/ext4/balloc.c:883:6 [ 3703.358483] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3703.388365] which requires 64 byte alignment [ 3703.401467] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3703.421389] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3703.453168] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf580 ffffffffb26ec5cc [ 3703.476415] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3703.499460] ffff880000000010 ffff88009e9bf5a8 ffff88009e9bf558 ffffffffb363c3e0 [ 3703.521475] Call Trace: [ 3703.529602] [] dump_stack+0xd7/0x132 [ 3703.545284] [] ? arch_local_irq_restore+0x1b/0x1b [ 3703.565734] [] ubsan_epilogue+0x12/0x53 [ 3703.586877] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3703.610538] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3703.630747] [] ext4_inode_to_goal_block+0x29a/0x448 [ 3703.649784] [] ext4_ext_find_goal+0x1ab/0x1bf [ 3703.670185] [] ext4_ext_map_blocks+0x198a/0x25b7 [ 3703.689071] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3703.709256] [] ? find_get_entry+0x104/0x104 [ 3703.727612] [] ? __put_compound_page+0x77/0x77 [ 3703.747626] [] ? lru_add_drain_cpu+0x310/0x31c [ 3703.770449] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3703.790620] [] ? __down_timeout+0x18/0x18 [ 3703.810650] [] ext4_map_blocks+0x815/0xef8 [ 3703.825130] [] ? ext4_issue_zeroout+0x182/0x182 [ 3703.845017] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3703.864979] [] ext4_writepages+0xab5/0x1c84 [ 3703.882593] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3703.903036] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3703.923404] [] ? wb_get+0xde/0x11f [ 3703.938976] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3703.962508] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3703.981742] [] do_writepages+0xe5/0x10c [ 3703.998728] [] ? do_writepages+0xe5/0x10c [ 3704.016846] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3704.038184] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3704.056875] [] ? replace_page_cache_page+0x235/0x235 [ 3704.080457] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3704.100387] [] filemap_flush+0x2a/0x2c [ 3704.118429] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3704.138563] [] ? ext4_release_file+0x49/0x260 [ 3704.155115] [] ext4_release_file+0x64/0x260 [ 3704.173632] [] __fput+0x38b/0x68b [ 3704.192285] [] ____fput+0x1c/0x1e [ 3704.205537] [] task_work_run+0x11e/0x140 [ 3704.222451] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3704.245339] [] syscall_return_slowpath+0x1b4/0x247 [ 3704.264321] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3704.291002] ================================================================================ [ 3704.317047] ================================================================================ [ 3704.342640] UBSAN: Undefined behaviour in fs/ext4/extents.c:4472:11 [ 3704.360993] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3704.393119] which requires 64 byte alignment [ 3704.408344] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3704.425641] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3704.460342] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf5f8 ffffffffb26ec5cc [ 3704.482733] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3704.506626] 0000000000000010 ffff88009e9bf620 ffff88009e9bf5d0 ffffffffb363c3e0 [ 3704.528199] Call Trace: [ 3704.540472] [] dump_stack+0xd7/0x132 [ 3704.559595] [] ? arch_local_irq_restore+0x1b/0x1b [ 3704.577264] [] ubsan_epilogue+0x12/0x53 [ 3704.593730] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3704.615967] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3704.638284] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3704.659433] [] ext4_ext_map_blocks+0x19fa/0x25b7 [ 3704.677358] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3704.697261] [] ? find_get_entry+0x104/0x104 [ 3704.715743] [] ? __put_compound_page+0x77/0x77 [ 3704.735402] [] ? lru_add_drain_cpu+0x310/0x31c [ 3704.753161] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3704.777789] [] ext4_map_blocks+0x815/0xef8 [ 3704.795681] [] ? ext4_issue_zeroout+0x182/0x182 [ 3704.814697] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3704.833551] [] ext4_writepages+0xab5/0x1c84 [ 3704.849434] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3704.871648] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3704.890655] [] ? wb_get+0xde/0x11f [ 3704.906262] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3704.927337] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3704.948829] [] do_writepages+0xe5/0x10c [ 3704.965150] [] ? do_writepages+0xe5/0x10c [ 3704.985235] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3705.003202] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3705.024647] [] ? replace_page_cache_page+0x235/0x235 [ 3705.045284] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3705.064466] [] filemap_flush+0x2a/0x2c [ 3705.082055] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3705.103961] [] ? ext4_release_file+0x49/0x260 [ 3705.122668] [] ext4_release_file+0x64/0x260 [ 3705.140693] [] __fput+0x38b/0x68b [ 3705.157309] [] ____fput+0x1c/0x1e [ 3705.172679] [] task_work_run+0x11e/0x140 [ 3705.190339] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3705.209273] [] syscall_return_slowpath+0x1b4/0x247 [ 3705.231751] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3705.248189] ================================================================================ [ 3705.279750] ================================================================================ [ 3705.308432] UBSAN: Undefined behaviour in fs/ext4/extents.c:4473:11 [ 3705.325006] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3705.358543] which requires 64 byte alignment [ 3705.372218] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3705.394096] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3705.424851] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf5f8 ffffffffb26ec5cc [ 3705.450419] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3705.474855] ffffffff00000010 ffff88009e9bf620 ffff88009e9bf5d0 ffffffffb363c3e0 [ 3705.498033] Call Trace: [ 3705.504587] [] dump_stack+0xd7/0x132 [ 3705.521377] [] ? arch_local_irq_restore+0x1b/0x1b [ 3705.542002] [] ubsan_epilogue+0x12/0x53 [ 3705.570459] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3705.592010] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3705.615635] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3705.636246] [] ext4_ext_map_blocks+0x1a43/0x25b7 [ 3705.655571] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3705.678621] [] ? find_get_entry+0x104/0x104 [ 3705.697030] [] ? __put_compound_page+0x77/0x77 [ 3705.718484] [] ? lru_add_drain_cpu+0x310/0x31c [ 3705.739165] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3705.760938] [] ext4_map_blocks+0x815/0xef8 [ 3705.782925] [] ? ext4_issue_zeroout+0x182/0x182 [ 3705.800170] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3705.821179] [] ext4_writepages+0xab5/0x1c84 [ 3705.839178] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3705.859233] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3705.878304] [] ? wb_get+0xde/0x11f [ 3705.895016] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3705.918446] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3705.939310] [] do_writepages+0xe5/0x10c [ 3705.955162] [] ? do_writepages+0xe5/0x10c [ 3705.972695] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3705.996294] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3706.017240] [] ? replace_page_cache_page+0x235/0x235 [ 3706.041360] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3706.060689] [] filemap_flush+0x2a/0x2c [ 3706.077779] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3706.100068] [] ? ext4_release_file+0x49/0x260 [ 3706.117785] [] ext4_release_file+0x64/0x260 [ 3706.136499] [] __fput+0x38b/0x68b [ 3706.151623] [] ____fput+0x1c/0x1e [ 3706.164085] [] task_work_run+0x11e/0x140 [ 3706.180492] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3706.198088] [] syscall_return_slowpath+0x1b4/0x247 [ 3706.218704] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3706.236418] ================================================================================ [ 3706.259570] ================================================================================ [ 3706.287034] UBSAN: Undefined behaviour in fs/ext4/extents.c:4473:11 [ 3706.310980] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3706.337627] which requires 64 byte alignment [ 3706.348382] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3706.371782] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3706.410196] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf5f8 ffffffffb26ec5cc [ 3706.433680] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3706.453592] ffffffff00000010 ffff88009e9bf620 ffff88009e9bf5d0 ffffffffb363c3e0 [ 3706.475352] Call Trace: [ 3706.480658] [] dump_stack+0xd7/0x132 [ 3706.497618] [] ? arch_local_irq_restore+0x1b/0x1b [ 3706.516499] [] ubsan_epilogue+0x12/0x53 [ 3706.532084] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3706.555392] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3706.578414] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3706.596199] [] ext4_ext_map_blocks+0x1a6f/0x25b7 [ 3706.614185] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3706.633698] [] ? find_get_entry+0x104/0x104 [ 3706.650574] [] ? __put_compound_page+0x77/0x77 [ 3706.670998] [] ? lru_add_drain_cpu+0x310/0x31c [ 3706.691280] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3706.714031] [] ext4_map_blocks+0x815/0xef8 [ 3706.735566] [] ? ext4_issue_zeroout+0x182/0x182 [ 3706.753643] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3706.773436] [] ext4_writepages+0xab5/0x1c84 [ 3706.790579] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3706.809050] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3706.830115] [] ? wb_get+0xde/0x11f [ 3706.844231] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3706.864659] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3706.886886] [] do_writepages+0xe5/0x10c [ 3706.902746] [] ? do_writepages+0xe5/0x10c [ 3706.917621] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3706.939560] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3706.958005] [] ? replace_page_cache_page+0x235/0x235 [ 3706.974233] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3706.995837] [] filemap_flush+0x2a/0x2c [ 3707.013747] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3707.032213] [] ? ext4_release_file+0x49/0x260 [ 3707.048586] [] ext4_release_file+0x64/0x260 [ 3707.067517] [] __fput+0x38b/0x68b [ 3707.082203] [] ____fput+0x1c/0x1e [ 3707.096938] [] task_work_run+0x11e/0x140 [ 3707.115292] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3707.137186] [] syscall_return_slowpath+0x1b4/0x247 [ 3707.154558] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3707.176018] ================================================================================ [ 3707.209439] ================================================================================ [ 3707.249244] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3707.279487] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3707.323087] which requires 64 byte alignment [ 3707.341992] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3707.379918] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3707.411764] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf540 ffffffffb26ec5cc [ 3707.454050] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3707.481196] 0100000000000010 ffff88009e9bf568 ffff88009e9bf518 ffffffffb363c3e0 [ 3707.511650] Call Trace: [ 3707.521715] [] dump_stack+0xd7/0x132 [ 3707.537419] [] ? arch_local_irq_restore+0x1b/0x1b [ 3707.565984] [] ubsan_epilogue+0x12/0x53 [ 3707.583956] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3707.606437] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3707.627045] [] ext4_mb_new_blocks+0x92/0x209c [ 3707.643227] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3707.666023] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3707.689019] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3707.712628] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3707.729086] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3707.746696] [] ? find_get_entry+0x104/0x104 [ 3707.763095] [] ? __put_compound_page+0x77/0x77 [ 3707.781914] [] ? lru_add_drain_cpu+0x310/0x31c [ 3707.800162] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3707.822552] [] ext4_map_blocks+0x815/0xef8 [ 3707.839390] [] ? ext4_issue_zeroout+0x182/0x182 [ 3707.859018] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3707.877014] [] ext4_writepages+0xab5/0x1c84 [ 3707.895335] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3707.913606] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3707.934452] [] ? wb_get+0xde/0x11f [ 3707.946269] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3707.971966] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3707.991414] [] do_writepages+0xe5/0x10c [ 3708.004991] [] ? do_writepages+0xe5/0x10c [ 3708.022013] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3708.042269] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3708.060962] [] ? replace_page_cache_page+0x235/0x235 [ 3708.079032] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3708.097363] [] filemap_flush+0x2a/0x2c [ 3708.115765] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3708.133663] [] ? ext4_release_file+0x49/0x260 [ 3708.149408] [] ext4_release_file+0x64/0x260 [ 3708.165500] [] __fput+0x38b/0x68b [ 3708.182282] [] ____fput+0x1c/0x1e [ 3708.195880] [] task_work_run+0x11e/0x140 [ 3708.212597] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3708.230201] [] syscall_return_slowpath+0x1b4/0x247 [ 3708.247340] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3708.265066] ================================================================================ [ 3708.292109] ================================================================================ [ 3708.325290] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3708.345562] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3708.367181] which requires 64 byte alignment [ 3708.381131] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3708.403664] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3708.431092] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf438 ffffffffb26ec5cc [ 3708.453907] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3708.472113] ffff880000000010 ffff88009e9bf460 ffff88009e9bf410 ffffffffb363c3e0 [ 3708.497290] Call Trace: [ 3708.504520] [] dump_stack+0xd7/0x132 [ 3708.521291] [] ? arch_local_irq_restore+0x1b/0x1b [ 3708.540691] [] ubsan_epilogue+0x12/0x53 [ 3708.563187] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3708.586791] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3708.614055] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3708.631620] [] ext4_mb_initialize_context+0xfb/0xa4b [ 3708.652096] [] ? ext4_mb_unload_buddy+0xab/0xab [ 3708.670180] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3708.691086] [] ? kmem_cache_alloc+0x20f/0x33f [ 3708.709704] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3708.726158] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3708.744411] [] ext4_mb_new_blocks+0x7e7/0x209c [ 3708.762368] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3708.783958] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3708.804165] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3708.824456] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3708.842860] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3708.862944] [] ? find_get_entry+0x104/0x104 [ 3708.881082] [] ? __put_compound_page+0x77/0x77 [ 3708.900665] [] ? lru_add_drain_cpu+0x310/0x31c [ 3708.916129] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3708.938207] [] ext4_map_blocks+0x815/0xef8 [ 3708.956241] [] ? ext4_issue_zeroout+0x182/0x182 [ 3708.972318] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3708.993658] [] ext4_writepages+0xab5/0x1c84 [ 3709.012340] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3709.031646] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3709.048480] [] ? wb_get+0xde/0x11f [ 3709.063283] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3709.084000] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3709.103800] [] do_writepages+0xe5/0x10c [ 3709.119050] [] ? do_writepages+0xe5/0x10c [ 3709.135620] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3709.153775] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3709.172563] [] ? replace_page_cache_page+0x235/0x235 [ 3709.193786] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3709.212112] [] filemap_flush+0x2a/0x2c [ 3709.226990] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3709.244478] [] ? ext4_release_file+0x49/0x260 [ 3709.262224] [] ext4_release_file+0x64/0x260 [ 3709.277963] [] __fput+0x38b/0x68b [ 3709.294074] [] ____fput+0x1c/0x1e [ 3709.312972] [] task_work_run+0x11e/0x140 [ 3709.331013] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3709.350042] [] syscall_return_slowpath+0x1b4/0x247 [ 3709.369670] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3709.404509] ================================================================================ [ 3709.444550] ================================================================================ [ 3709.490170] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4185:27 [ 3709.523608] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3709.577071] which requires 64 byte alignment [ 3709.593007] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3709.613756] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3709.640409] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf438 ffffffffb26ec5cc [ 3709.662595] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3709.685201] ffffffff00000010 ffff88009e9bf460 ffff88009e9bf410 ffffffffb363c3e0 [ 3709.706946] Call Trace: [ 3709.713502] [] dump_stack+0xd7/0x132 [ 3709.728673] [] ? arch_local_irq_restore+0x1b/0x1b [ 3709.745041] [] ubsan_epilogue+0x12/0x53 [ 3709.764631] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3709.785005] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3709.809396] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3709.825520] [] ext4_mb_initialize_context+0x132/0xa4b [ 3709.844690] [] ? ext4_mb_unload_buddy+0xab/0xab [ 3709.864096] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3709.884176] [] ? kmem_cache_alloc+0x20f/0x33f [ 3709.899496] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3709.917632] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3709.938851] [] ext4_mb_new_blocks+0x7e7/0x209c [ 3709.955559] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3709.976396] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3709.998843] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3710.018108] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3710.039626] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3710.059624] [] ? find_get_entry+0x104/0x104 [ 3710.076966] [] ? __put_compound_page+0x77/0x77 [ 3710.094005] [] ? lru_add_drain_cpu+0x310/0x31c [ 3710.112238] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3710.132885] [] ext4_map_blocks+0x815/0xef8 [ 3710.152550] [] ? ext4_issue_zeroout+0x182/0x182 [ 3710.171939] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3710.191845] [] ext4_writepages+0xab5/0x1c84 [ 3710.207472] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3710.226686] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3710.244241] [] ? wb_get+0xde/0x11f [ 3710.260957] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3710.283566] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3710.301917] [] do_writepages+0xe5/0x10c [ 3710.316601] [] ? do_writepages+0xe5/0x10c [ 3710.332427] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3710.352257] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3710.372939] [] ? replace_page_cache_page+0x235/0x235 [ 3710.393646] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3710.412468] [] filemap_flush+0x2a/0x2c [ 3710.425429] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3710.445232] [] ? ext4_release_file+0x49/0x260 [ 3710.462220] [] ext4_release_file+0x64/0x260 [ 3710.481287] [] __fput+0x38b/0x68b [ 3710.496715] [] ____fput+0x1c/0x1e [ 3710.512553] [] task_work_run+0x11e/0x140 [ 3710.530153] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3710.547491] [] syscall_return_slowpath+0x1b4/0x247 [ 3710.566843] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3710.587844] ================================================================================ [ 3710.615795] ================================================================================ [ 3710.639654] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3710.660327] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3710.685061] which requires 64 byte alignment [ 3710.697562] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3710.716063] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3710.742038] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf438 ffffffffb26ec5cc [ 3710.764498] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3710.790479] ffffffff00000010 ffff88009e9bf460 ffff88009e9bf410 ffffffffb363c3e0 [ 3710.812268] Call Trace: [ 3710.819357] [] dump_stack+0xd7/0x132 [ 3710.833669] [] ? arch_local_irq_restore+0x1b/0x1b [ 3710.852722] [] ubsan_epilogue+0x12/0x53 [ 3710.868099] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3710.889181] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3710.908736] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3710.927539] [] ext4_mb_initialize_context+0x18f/0xa4b [ 3710.946035] [] ? ext4_mb_unload_buddy+0xab/0xab [ 3710.964720] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3710.983808] [] ? kmem_cache_alloc+0x20f/0x33f [ 3711.000201] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3711.020077] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3711.038555] [] ext4_mb_new_blocks+0x7e7/0x209c [ 3711.057431] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3711.076757] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3711.097577] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3711.117358] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3711.134820] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3711.156245] [] ? find_get_entry+0x104/0x104 [ 3711.172091] [] ? __put_compound_page+0x77/0x77 [ 3711.191285] [] ? lru_add_drain_cpu+0x310/0x31c [ 3711.205415] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3711.225617] [] ext4_map_blocks+0x815/0xef8 [ 3711.242655] [] ? ext4_issue_zeroout+0x182/0x182 [ 3711.260056] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3711.279097] [] ext4_writepages+0xab5/0x1c84 [ 3711.297345] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3711.315334] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3711.335131] [] ? wb_get+0xde/0x11f [ 3711.351854] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3711.371984] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3711.391860] [] do_writepages+0xe5/0x10c [ 3711.408434] [] ? do_writepages+0xe5/0x10c [ 3711.421965] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3711.441742] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3711.462585] [] ? replace_page_cache_page+0x235/0x235 [ 3711.481570] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3711.500697] [] filemap_flush+0x2a/0x2c [ 3711.522628] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3711.541005] [] ? ext4_release_file+0x49/0x260 [ 3711.559880] [] ext4_release_file+0x64/0x260 [ 3711.580764] [] __fput+0x38b/0x68b [ 3711.597870] [] ____fput+0x1c/0x1e [ 3711.613163] [] task_work_run+0x11e/0x140 [ 3711.628945] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3711.648011] [] syscall_return_slowpath+0x1b4/0x247 [ 3711.664526] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3711.683863] ================================================================================ [ 3711.709608] ================================================================================ [ 3711.733647] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4195:13 [ 3711.755865] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3711.779794] which requires 64 byte alignment [ 3711.792403] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3711.812567] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3711.840635] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf438 ffffffffb26ec5cc [ 3711.861716] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3711.885236] ffffffff00000010 ffff88009e9bf460 ffff88009e9bf410 ffffffffb363c3e0 [ 3711.907777] Call Trace: [ 3711.913132] [] dump_stack+0xd7/0x132 [ 3711.925868] [] ? arch_local_irq_restore+0x1b/0x1b [ 3711.944434] [] ubsan_epilogue+0x12/0x53 [ 3711.961357] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3711.982182] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3712.002187] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3712.020617] [] ext4_mb_initialize_context+0x1a9/0xa4b [ 3712.041728] [] ? ext4_mb_unload_buddy+0xab/0xab [ 3712.059965] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3712.077658] [] ? kmem_cache_alloc+0x20f/0x33f [ 3712.097627] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3712.116101] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3712.133895] [] ext4_mb_new_blocks+0x7e7/0x209c [ 3712.151819] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3712.174846] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3712.196073] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3712.216734] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3712.234938] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3712.256791] [] ? find_get_entry+0x104/0x104 [ 3712.274415] [] ? __put_compound_page+0x77/0x77 [ 3712.291400] [] ? lru_add_drain_cpu+0x310/0x31c [ 3712.308642] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3712.327209] [] ext4_map_blocks+0x815/0xef8 [ 3712.341970] [] ? ext4_issue_zeroout+0x182/0x182 [ 3712.360216] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3712.378333] [] ext4_writepages+0xab5/0x1c84 [ 3712.396354] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3712.414890] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3712.436003] [] ? wb_get+0xde/0x11f [ 3712.453326] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3712.481431] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3712.501015] [] do_writepages+0xe5/0x10c [ 3712.524927] [] ? do_writepages+0xe5/0x10c [ 3712.543358] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3712.571570] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3712.597860] [] ? replace_page_cache_page+0x235/0x235 [ 3712.622842] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3712.643558] [] filemap_flush+0x2a/0x2c [ 3712.665373] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3712.688882] [] ? ext4_release_file+0x49/0x260 [ 3712.712139] [] ext4_release_file+0x64/0x260 [ 3712.733729] [] __fput+0x38b/0x68b [ 3712.752486] [] ____fput+0x1c/0x1e [ 3712.773631] [] task_work_run+0x11e/0x140 [ 3712.795040] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3712.821038] [] syscall_return_slowpath+0x1b4/0x247 [ 3712.844289] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3712.868105] ================================================================================ [ 3712.901640] ================================================================================ [ 3712.927337] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4206:27 [ 3712.946632] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3712.979089] which requires 64 byte alignment [ 3712.992096] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3713.013233] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3713.041180] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf438 ffffffffb26ec5cc [ 3713.062978] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3713.085389] ffff880000000010 ffff88009e9bf460 ffff88009e9bf410 ffffffffb363c3e0 [ 3713.110643] Call Trace: [ 3713.116509] [] dump_stack+0xd7/0x132 [ 3713.134394] [] ? arch_local_irq_restore+0x1b/0x1b [ 3713.152786] [] ubsan_epilogue+0x12/0x53 [ 3713.165824] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3713.187378] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3713.211660] [] ? ext4_get_group_no_and_offset+0x226/0x233 [ 3713.232031] [] ext4_mb_initialize_context+0x381/0xa4b [ 3713.252085] [] ? ext4_mb_unload_buddy+0xab/0xab [ 3713.269988] [] ? kmem_cache_alloc+0x20f/0x33f [ 3713.288509] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3713.310672] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3713.330399] [] ext4_mb_new_blocks+0x7e7/0x209c [ 3713.347014] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3713.368469] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3713.392699] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3713.413744] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3713.433251] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3713.453747] [] ? find_get_entry+0x104/0x104 [ 3713.472978] [] ? __put_compound_page+0x77/0x77 [ 3713.491627] [] ? lru_add_drain_cpu+0x310/0x31c [ 3713.511921] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3713.534760] [] ext4_map_blocks+0x815/0xef8 [ 3713.553235] [] ? ext4_issue_zeroout+0x182/0x182 [ 3713.575972] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3713.598359] [] ext4_writepages+0xab5/0x1c84 [ 3713.615928] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3713.635806] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3713.661579] [] ? wb_get+0xde/0x11f [ 3713.679248] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3713.701087] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3713.723513] [] do_writepages+0xe5/0x10c [ 3713.737323] [] ? do_writepages+0xe5/0x10c [ 3713.756014] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3713.777072] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3713.797335] [] ? replace_page_cache_page+0x235/0x235 [ 3713.817535] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3713.837337] [] filemap_flush+0x2a/0x2c [ 3713.853869] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3713.871100] [] ? ext4_release_file+0x49/0x260 [ 3713.891054] [] ext4_release_file+0x64/0x260 [ 3713.907218] [] __fput+0x38b/0x68b [ 3713.919171] [] ____fput+0x1c/0x1e [ 3713.936258] [] task_work_run+0x11e/0x140 [ 3713.954667] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3713.975476] [] syscall_return_slowpath+0x1b4/0x247 [ 3713.997514] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3714.017578] ================================================================================ [ 3714.045783] ================================================================================ [ 3714.076062] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3714.093217] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3714.118995] which requires 64 byte alignment [ 3714.134933] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3714.159146] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3714.190458] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf438 ffffffffb26ec5cc [ 3714.213427] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3714.235935] ffffffff00000010 ffff88009e9bf460 ffff88009e9bf410 ffffffffb363c3e0 [ 3714.258710] Call Trace: [ 3714.264372] [] dump_stack+0xd7/0x132 [ 3714.280971] [] ? arch_local_irq_restore+0x1b/0x1b [ 3714.302907] [] ubsan_epilogue+0x12/0x53 [ 3714.317961] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3714.339294] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3714.361643] [] ? ext4_get_group_no_and_offset+0x226/0x233 [ 3714.383135] [] ext4_mb_initialize_context+0x599/0xa4b [ 3714.406565] [] ? ext4_mb_unload_buddy+0xab/0xab [ 3714.424004] [] ? kmem_cache_alloc+0x20f/0x33f [ 3714.442545] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3714.462024] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3714.481683] [] ext4_mb_new_blocks+0x7e7/0x209c [ 3714.499282] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3714.522857] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3714.580652] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3714.601453] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3714.618766] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3714.640039] [] ? find_get_entry+0x104/0x104 [ 3714.657289] [] ? __put_compound_page+0x77/0x77 [ 3714.676795] [] ? lru_add_drain_cpu+0x310/0x31c [ 3714.694987] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3714.719052] [] ext4_map_blocks+0x815/0xef8 [ 3714.737002] [] ? ext4_issue_zeroout+0x182/0x182 [ 3714.757492] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3714.778139] [] ext4_writepages+0xab5/0x1c84 [ 3714.795608] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3714.814070] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3714.834333] [] ? wb_get+0xde/0x11f [ 3714.850102] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3714.875454] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3714.897699] [] do_writepages+0xe5/0x10c [ 3714.914128] [] ? do_writepages+0xe5/0x10c [ 3714.933314] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3714.955120] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3714.977553] [] ? replace_page_cache_page+0x235/0x235 [ 3714.998220] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3715.051427] [] filemap_flush+0x2a/0x2c [ 3715.111727] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3715.200439] [] ? ext4_release_file+0x49/0x260 [ 3715.267789] [] ext4_release_file+0x64/0x260 [ 3715.339708] [] __fput+0x38b/0x68b [ 3715.401610] [] ____fput+0x1c/0x1e [ 3715.485144] [] task_work_run+0x11e/0x140 [ 3715.512412] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3715.545638] [] syscall_return_slowpath+0x1b4/0x247 [ 3715.576459] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3715.595833] ================================================================================ [ 3715.626437] ================================================================================ [ 3715.651977] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4132:24 [ 3715.671238] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3715.699357] which requires 64 byte alignment [ 3715.711321] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3715.740595] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3715.771555] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf438 ffffffffb26ec5cc [ 3715.795392] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3715.822598] ffffffff00000010 ffff88009e9bf460 ffff88009e9bf410 ffffffffb363c3e0 [ 3715.847260] Call Trace: [ 3715.857013] [] dump_stack+0xd7/0x132 [ 3715.874474] [] ? arch_local_irq_restore+0x1b/0x1b [ 3715.896354] [] ubsan_epilogue+0x12/0x53 [ 3715.916618] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3715.939480] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3715.961243] [] ? ext4_get_group_no_and_offset+0x226/0x233 [ 3715.983134] [] ext4_mb_initialize_context+0x5d9/0xa4b [ 3716.003763] [] ? ext4_mb_unload_buddy+0xab/0xab [ 3716.027263] [] ? kmem_cache_alloc+0x20f/0x33f [ 3716.057971] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3716.080041] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3716.103807] [] ext4_mb_new_blocks+0x7e7/0x209c [ 3716.127644] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3716.150410] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3716.174810] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3716.194202] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3716.217148] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3716.240339] [] ? find_get_entry+0x104/0x104 [ 3716.258307] [] ? __put_compound_page+0x77/0x77 [ 3716.275953] [] ? lru_add_drain_cpu+0x310/0x31c [ 3716.291530] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3716.319692] [] ext4_map_blocks+0x815/0xef8 [ 3716.350387] [] ? ext4_issue_zeroout+0x182/0x182 [ 3716.383330] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3716.415564] [] ext4_writepages+0xab5/0x1c84 [ 3716.439339] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3716.465565] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3716.504754] [] ? wb_get+0xde/0x11f [ 3716.526205] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3716.554782] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3716.583415] [] do_writepages+0xe5/0x10c [ 3716.604339] [] ? do_writepages+0xe5/0x10c [ 3716.621350] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3716.646639] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3716.668503] [] ? replace_page_cache_page+0x235/0x235 [ 3716.697516] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3716.716089] [] filemap_flush+0x2a/0x2c [ 3716.747674] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3716.768762] [] ? ext4_release_file+0x49/0x260 [ 3716.789281] [] ext4_release_file+0x64/0x260 [ 3716.811815] [] __fput+0x38b/0x68b [ 3716.827573] [] ____fput+0x1c/0x1e [ 3716.849865] [] task_work_run+0x11e/0x140 [ 3716.872378] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3716.897219] [] syscall_return_slowpath+0x1b4/0x247 [ 3716.919599] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3716.938905] ================================================================================ [ 3716.963526] ================================================================================ [ 3716.988964] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4141:34 [ 3717.009941] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3717.038952] which requires 64 byte alignment [ 3717.054421] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3717.076849] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3717.104323] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf438 ffffffffb26ec5cc [ 3717.128586] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3717.152777] ffffffff00000010 ffff88009e9bf460 ffff88009e9bf410 ffffffffb363c3e0 [ 3717.176433] Call Trace: [ 3717.183802] [] dump_stack+0xd7/0x132 [ 3717.200353] [] ? arch_local_irq_restore+0x1b/0x1b [ 3717.223365] [] ubsan_epilogue+0x12/0x53 [ 3717.242061] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3717.262710] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3717.285073] [] ? ext4_get_group_no_and_offset+0x226/0x233 [ 3717.310800] [] ext4_mb_initialize_context+0x65e/0xa4b [ 3717.330609] [] ? ext4_mb_unload_buddy+0xab/0xab [ 3717.351515] [] ? kmem_cache_alloc+0x20f/0x33f [ 3717.373671] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3717.396389] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3717.451951] [] ext4_mb_new_blocks+0x7e7/0x209c [ 3717.549486] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3717.632137] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3717.701639] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3717.736819] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3717.761658] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3717.787577] [] ? find_get_entry+0x104/0x104 [ 3717.842563] [] ? __put_compound_page+0x77/0x77 [ 3717.862719] [] ? lru_add_drain_cpu+0x310/0x31c [ 3717.889540] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3717.915455] [] ext4_map_blocks+0x815/0xef8 [ 3717.934490] [] ? ext4_issue_zeroout+0x182/0x182 [ 3717.960915] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3717.982599] [] ext4_writepages+0xab5/0x1c84 [ 3718.003455] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3718.025244] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3718.047842] [] ? wb_get+0xde/0x11f [ 3718.063669] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3718.084256] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3718.103406] [] do_writepages+0xe5/0x10c [ 3718.116323] [] ? do_writepages+0xe5/0x10c [ 3718.133040] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3718.157182] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3718.176712] [] ? replace_page_cache_page+0x235/0x235 [ 3718.195329] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3718.215478] [] filemap_flush+0x2a/0x2c [ 3718.230916] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3718.250087] [] ? ext4_release_file+0x49/0x260 [ 3718.265214] [] ext4_release_file+0x64/0x260 [ 3718.282803] [] __fput+0x38b/0x68b [ 3718.298081] [] ____fput+0x1c/0x1e [ 3718.314152] [] task_work_run+0x11e/0x140 [ 3718.331014] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3718.349541] [] syscall_return_slowpath+0x1b4/0x247 [ 3718.370214] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3718.390213] ================================================================================ [ 3718.417901] ================================================================================ [ 3718.446949] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4142:48 [ 3718.468122] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3718.503592] which requires 64 byte alignment [ 3718.519378] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3718.567288] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3718.609391] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf438 ffffffffb26ec5cc [ 3718.645576] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3718.680137] ffffffff00000010 ffff88009e9bf460 ffff88009e9bf410 ffffffffb363c3e0 [ 3718.707764] Call Trace: [ 3718.718931] [] dump_stack+0xd7/0x132 [ 3718.738038] [] ? arch_local_irq_restore+0x1b/0x1b [ 3718.761337] [] ubsan_epilogue+0x12/0x53 [ 3718.781754] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3718.800982] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3718.826499] [] ? ext4_get_group_no_and_offset+0x226/0x233 [ 3718.849353] [] ext4_mb_initialize_context+0x747/0xa4b [ 3718.870003] [] ? ext4_mb_unload_buddy+0xab/0xab [ 3718.889467] [] ? kmem_cache_alloc+0x20f/0x33f [ 3718.908919] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3718.934491] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3718.958323] [] ext4_mb_new_blocks+0x7e7/0x209c [ 3718.977148] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3718.999726] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3719.024907] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3719.045213] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3719.067362] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3719.118550] [] ? find_get_entry+0x104/0x104 [ 3719.187690] [] ? __put_compound_page+0x77/0x77 [ 3719.264736] [] ? lru_add_drain_cpu+0x310/0x31c [ 3719.315545] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3719.367872] [] ext4_map_blocks+0x815/0xef8 [ 3719.429032] [] ? ext4_issue_zeroout+0x182/0x182 [ 3719.454057] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3719.474315] [] ext4_writepages+0xab5/0x1c84 [ 3719.496166] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3719.514735] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3719.535557] [] ? wb_get+0xde/0x11f [ 3719.554543] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3719.594576] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3719.621134] [] do_writepages+0xe5/0x10c [ 3719.656839] [] ? do_writepages+0xe5/0x10c [ 3719.690862] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3719.733596] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3719.788011] [] ? replace_page_cache_page+0x235/0x235 [ 3719.814877] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3719.837421] [] filemap_flush+0x2a/0x2c [ 3719.856837] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3719.879307] [] ? ext4_release_file+0x49/0x260 [ 3719.900041] [] ext4_release_file+0x64/0x260 [ 3719.920219] [] __fput+0x38b/0x68b [ 3719.938367] [] ____fput+0x1c/0x1e [ 3719.955339] [] task_work_run+0x11e/0x140 [ 3719.976862] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3719.999665] [] syscall_return_slowpath+0x1b4/0x247 [ 3720.018898] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3720.043573] ================================================================================ [ 3720.070241] ================================================================================ [ 3720.100895] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4152:9 [ 3720.119956] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3720.151954] which requires 64 byte alignment [ 3720.164452] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3720.186353] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3720.216357] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf438 ffffffffb26ec5cc [ 3720.238251] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3720.263586] ffffffff00000010 ffff88009e9bf460 ffff88009e9bf410 ffffffffb363c3e0 [ 3720.286646] Call Trace: [ 3720.295309] [] dump_stack+0xd7/0x132 [ 3720.311693] [] ? arch_local_irq_restore+0x1b/0x1b [ 3720.331371] [] ubsan_epilogue+0x12/0x53 [ 3720.348402] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3720.368951] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3720.388813] [] ? ext4_get_group_no_and_offset+0x226/0x233 [ 3720.410618] [] ext4_mb_initialize_context+0x88c/0xa4b [ 3720.431185] [] ? ext4_mb_unload_buddy+0xab/0xab [ 3720.450511] [] ? kmem_cache_alloc+0x20f/0x33f [ 3720.471931] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3720.493243] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3720.512221] [] ext4_mb_new_blocks+0x7e7/0x209c [ 3720.529938] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3720.583990] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3720.692178] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3720.755997] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3720.802509] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3720.833376] [] ? find_get_entry+0x104/0x104 [ 3720.853240] [] ? __put_compound_page+0x77/0x77 [ 3720.875092] [] ? lru_add_drain_cpu+0x310/0x31c [ 3720.897179] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3720.920466] [] ext4_map_blocks+0x815/0xef8 [ 3720.941777] [] ? ext4_issue_zeroout+0x182/0x182 [ 3720.961960] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3721.008273] [] ext4_writepages+0xab5/0x1c84 [ 3721.028950] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3721.054611] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3721.077754] [] ? wb_get+0xde/0x11f [ 3721.096477] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3721.121028] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3721.146228] [] do_writepages+0xe5/0x10c [ 3721.165788] [] ? do_writepages+0xe5/0x10c [ 3721.186324] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3721.210207] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3721.231327] [] ? replace_page_cache_page+0x235/0x235 [ 3721.251122] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3721.273263] [] filemap_flush+0x2a/0x2c [ 3721.290363] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3721.313469] [] ? ext4_release_file+0x49/0x260 [ 3721.331560] [] ext4_release_file+0x64/0x260 [ 3721.349956] [] __fput+0x38b/0x68b [ 3721.365456] [] ____fput+0x1c/0x1e [ 3721.380785] [] task_work_run+0x11e/0x140 [ 3721.399526] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3721.420277] [] syscall_return_slowpath+0x1b4/0x247 [ 3721.438941] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3721.463171] ================================================================================ [ 3721.491650] ================================================================================ [ 3721.637398] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4159:16 [ 3721.715307] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3721.790110] which requires 64 byte alignment [ 3721.805618] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3721.829104] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3721.861053] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf438 ffffffffb26ec5cc [ 3721.886573] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3721.911002] ffffffff00000010 ffff88009e9bf460 ffff88009e9bf410 ffffffffb363c3e0 [ 3721.936350] Call Trace: [ 3721.944841] [] dump_stack+0xd7/0x132 [ 3721.960214] [] ? arch_local_irq_restore+0x1b/0x1b [ 3721.979183] [] ubsan_epilogue+0x12/0x53 [ 3721.994220] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3722.015820] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3722.035196] [] ? ext4_get_group_no_and_offset+0x226/0x233 [ 3722.054303] [] ext4_mb_initialize_context+0x8e7/0xa4b [ 3722.072837] [] ? ext4_mb_unload_buddy+0xab/0xab [ 3722.093289] [] ? kmem_cache_alloc+0x20f/0x33f [ 3722.110052] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3722.128152] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3722.148659] [] ext4_mb_new_blocks+0x7e7/0x209c [ 3722.165088] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3722.185367] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3722.205247] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3722.225002] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3722.244547] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3722.266850] [] ? find_get_entry+0x104/0x104 [ 3722.286528] [] ? __put_compound_page+0x77/0x77 [ 3722.306857] [] ? lru_add_drain_cpu+0x310/0x31c [ 3722.331833] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3722.397729] [] ext4_map_blocks+0x815/0xef8 [ 3722.474315] [] ? ext4_issue_zeroout+0x182/0x182 [ 3722.523246] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3722.554046] [] ext4_writepages+0xab5/0x1c84 [ 3722.600624] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3722.626221] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3722.646981] [] ? wb_get+0xde/0x11f [ 3722.666813] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3722.696876] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3722.717205] [] do_writepages+0xe5/0x10c [ 3722.736815] [] ? do_writepages+0xe5/0x10c [ 3722.756676] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3722.780628] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3722.802888] [] ? replace_page_cache_page+0x235/0x235 [ 3722.823328] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3722.844972] [] filemap_flush+0x2a/0x2c [ 3722.870760] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3722.903541] [] ? ext4_release_file+0x49/0x260 [ 3722.921718] [] ext4_release_file+0x64/0x260 [ 3722.940349] [] __fput+0x38b/0x68b [ 3722.955698] [] ____fput+0x1c/0x1e [ 3722.970701] [] task_work_run+0x11e/0x140 [ 3722.989287] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3723.010210] [] syscall_return_slowpath+0x1b4/0x247 [ 3723.031776] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3723.051418] ================================================================================ [ 3723.079679] ================================================================================ [ 3723.103384] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4170:14 [ 3723.120273] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3723.149246] which requires 64 byte alignment [ 3723.163810] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3723.187128] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3723.231181] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf438 ffffffffb26ec5cc [ 3723.276318] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3723.355954] ffffffff00000010 ffff88009e9bf460 ffff88009e9bf410 ffffffffb363c3e0 [ 3723.420597] Call Trace: [ 3723.449901] [] dump_stack+0xd7/0x132 [ 3723.489743] [] ? arch_local_irq_restore+0x1b/0x1b [ 3723.525214] [] ubsan_epilogue+0x12/0x53 [ 3723.547580] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3723.569740] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3723.591735] [] ? ext4_get_group_no_and_offset+0x226/0x233 [ 3723.615729] [] ext4_mb_initialize_context+0x989/0xa4b [ 3723.635585] [] ? ext4_mb_unload_buddy+0xab/0xab [ 3723.654642] [] ? kmem_cache_alloc+0x20f/0x33f [ 3723.673226] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3723.692578] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3723.709279] [] ext4_mb_new_blocks+0x7e7/0x209c [ 3723.728961] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3723.750677] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3723.774388] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3723.792089] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3723.810743] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3723.828926] [] ? find_get_entry+0x104/0x104 [ 3723.845756] [] ? __put_compound_page+0x77/0x77 [ 3723.864949] [] ? lru_add_drain_cpu+0x310/0x31c [ 3723.882902] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3723.901611] [] ext4_map_blocks+0x815/0xef8 [ 3723.916661] [] ? ext4_issue_zeroout+0x182/0x182 [ 3723.932343] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3723.954493] [] ext4_writepages+0xab5/0x1c84 [ 3723.971131] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3723.988608] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3724.009924] [] ? wb_get+0xde/0x11f [ 3724.024327] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3724.049284] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3724.066785] [] do_writepages+0xe5/0x10c [ 3724.084969] [] ? do_writepages+0xe5/0x10c [ 3724.105869] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3724.130104] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3724.151768] [] ? replace_page_cache_page+0x235/0x235 [ 3724.175787] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3724.205358] [] filemap_flush+0x2a/0x2c [ 3724.243458] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3724.316397] [] ? ext4_release_file+0x49/0x260 [ 3724.383813] [] ext4_release_file+0x64/0x260 [ 3724.439500] [] __fput+0x38b/0x68b [ 3724.490808] [] ____fput+0x1c/0x1e [ 3724.531126] [] task_work_run+0x11e/0x140 [ 3724.553472] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3724.573925] [] syscall_return_slowpath+0x1b4/0x247 [ 3724.595109] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3724.636478] ================================================================================ [ 3724.678204] ================================================================================ [ 3724.724552] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3724.770951] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3724.833231] which requires 64 byte alignment [ 3724.868431] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3725.083785] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3725.129139] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf4d0 ffffffffb26ec5cc [ 3725.166726] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3725.202483] ffffffff00000010 ffff88009e9bf4f8 ffff88009e9bf4a8 ffffffffb363c3e0 [ 3725.233732] Call Trace: [ 3725.240621] [] dump_stack+0xd7/0x132 [ 3725.261661] [] ? arch_local_irq_restore+0x1b/0x1b [ 3725.286330] [] ubsan_epilogue+0x12/0x53 [ 3725.302649] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3725.320623] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3725.340030] [] ? ext4_mb_unload_buddy+0xab/0xab [ 3725.358699] [] ext4_mb_use_preallocated.constprop.15+0x5f/0x8d1 [ 3725.380585] [] ? ext4_mb_new_blocks+0x769/0x209c [ 3725.399315] [] ext4_mb_new_blocks+0x8a6/0x209c [ 3725.417270] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3725.439128] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3725.459472] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3725.480711] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3725.499438] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3725.518204] [] ? find_get_entry+0x104/0x104 [ 3725.537192] [] ? __put_compound_page+0x77/0x77 [ 3725.560605] [] ? lru_add_drain_cpu+0x310/0x31c [ 3725.589631] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3725.617019] [] ext4_map_blocks+0x815/0xef8 [ 3725.640846] [] ? ext4_issue_zeroout+0x182/0x182 [ 3725.668988] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3725.689668] [] ext4_writepages+0xab5/0x1c84 [ 3725.710317] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3725.733970] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3725.759857] [] ? wb_get+0xde/0x11f [ 3725.776897] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3725.804260] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3725.825902] [] do_writepages+0xe5/0x10c [ 3725.845245] [] ? do_writepages+0xe5/0x10c [ 3725.864288] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3725.887937] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3725.909985] [] ? replace_page_cache_page+0x235/0x235 [ 3725.932832] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3725.953174] [] filemap_flush+0x2a/0x2c [ 3725.968500] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3725.988213] [] ? ext4_release_file+0x49/0x260 [ 3726.004549] [] ext4_release_file+0x64/0x260 [ 3726.021601] [] __fput+0x38b/0x68b [ 3726.036804] [] ____fput+0x1c/0x1e [ 3726.052871] [] task_work_run+0x11e/0x140 [ 3726.069365] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3726.088325] [] syscall_return_slowpath+0x1b4/0x247 [ 3726.108722] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3726.129581] ================================================================================ [ 3726.167113] ================================================================================ [ 3726.191113] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3726.211169] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3726.240104] which requires 64 byte alignment [ 3726.254966] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3726.279928] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3726.308522] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf4a0 ffffffffb26ec5cc [ 3726.331605] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3726.358095] fffffbff00000010 ffff88009e9bf4c8 ffff88009e9bf478 ffffffffb363c3e0 [ 3726.381176] Call Trace: [ 3726.389135] [] dump_stack+0xd7/0x132 [ 3726.405516] [] ? arch_local_irq_restore+0x1b/0x1b [ 3726.424453] [] ubsan_epilogue+0x12/0x53 [ 3726.445316] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3726.466246] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3726.488093] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3726.512571] [] ext4_grp_offs_to_block+0x56/0xf4 [ 3726.531704] [] ext4_mb_use_preallocated.constprop.15+0x55f/0x8d1 [ 3726.562088] [] ext4_mb_new_blocks+0x8a6/0x209c [ 3726.582856] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3726.603949] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3726.626201] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3726.650447] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3726.671129] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3726.691122] [] ? find_get_entry+0x104/0x104 [ 3726.710821] [] ? __put_compound_page+0x77/0x77 [ 3726.730136] [] ? lru_add_drain_cpu+0x310/0x31c [ 3726.749428] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3726.773072] [] ext4_map_blocks+0x815/0xef8 [ 3726.789170] [] ? ext4_issue_zeroout+0x182/0x182 [ 3726.807558] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3726.828429] [] ext4_writepages+0xab5/0x1c84 [ 3726.846607] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3726.865549] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3726.886279] [] ? wb_get+0xde/0x11f [ 3726.903244] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3726.924554] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3726.944787] [] do_writepages+0xe5/0x10c [ 3726.962100] [] ? do_writepages+0xe5/0x10c [ 3726.980720] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3727.005526] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3727.029380] [] ? replace_page_cache_page+0x235/0x235 [ 3727.049766] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3727.070554] [] filemap_flush+0x2a/0x2c [ 3727.086204] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3727.105631] [] ? ext4_release_file+0x49/0x260 [ 3727.124959] [] ext4_release_file+0x64/0x260 [ 3727.144483] [] __fput+0x38b/0x68b [ 3727.162078] [] ____fput+0x1c/0x1e [ 3727.176601] [] task_work_run+0x11e/0x140 [ 3727.193898] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3727.213202] [] syscall_return_slowpath+0x1b4/0x247 [ 3727.233670] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3727.254531] ================================================================================ [ 3727.279877] ================================================================================ [ 3727.304579] UBSAN: Undefined behaviour in fs/ext4/mballoc.h:201:32 [ 3727.324766] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3727.356082] which requires 64 byte alignment [ 3727.368197] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3727.393435] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3727.427390] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf4a0 ffffffffb26ec5cc [ 3727.455699] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3727.479889] ffff880000000010 ffff88009e9bf4c8 ffff88009e9bf478 ffffffffb363c3e0 [ 3727.530021] Call Trace: [ 3727.561663] [] dump_stack+0xd7/0x132 [ 3727.604390] [] ? arch_local_irq_restore+0x1b/0x1b [ 3727.658954] [] ubsan_epilogue+0x12/0x53 [ 3727.740006] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3727.793939] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3727.858168] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3727.927566] [] ext4_grp_offs_to_block+0x83/0xf4 [ 3727.989413] [] ext4_mb_use_preallocated.constprop.15+0x55f/0x8d1 [ 3728.074441] [] ext4_mb_new_blocks+0x8a6/0x209c [ 3728.134039] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3728.200598] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3728.261965] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3728.326021] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3728.377239] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3728.417334] [] ? find_get_entry+0x104/0x104 [ 3728.439597] [] ? __put_compound_page+0x77/0x77 [ 3728.472581] [] ? lru_add_drain_cpu+0x310/0x31c [ 3728.492569] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3728.514759] [] ext4_map_blocks+0x815/0xef8 [ 3728.533638] [] ? ext4_issue_zeroout+0x182/0x182 [ 3728.554768] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3728.575657] [] ext4_writepages+0xab5/0x1c84 [ 3728.594382] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3728.615396] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3728.637536] [] ? wb_get+0xde/0x11f [ 3728.655280] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3728.678571] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3728.699734] [] do_writepages+0xe5/0x10c [ 3728.718034] [] ? do_writepages+0xe5/0x10c [ 3728.733770] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3728.762771] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3728.787393] [] ? replace_page_cache_page+0x235/0x235 [ 3728.806861] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3728.826197] [] filemap_flush+0x2a/0x2c [ 3728.846871] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3728.867738] [] ? ext4_release_file+0x49/0x260 [ 3728.885339] [] ext4_release_file+0x64/0x260 [ 3728.903499] [] __fput+0x38b/0x68b [ 3728.920679] [] ____fput+0x1c/0x1e [ 3728.933296] [] task_work_run+0x11e/0x140 [ 3728.952528] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3728.974072] [] syscall_return_slowpath+0x1b4/0x247 [ 3729.004853] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3729.035366] ================================================================================ [ 3729.111140] ================================================================================ [ 3729.147897] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3729.177060] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3729.206255] which requires 64 byte alignment [ 3729.221766] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3729.243354] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3729.277210] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf478 ffffffffb26ec5cc [ 3729.302969] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3729.329541] ffff880000000010 ffff88009e9bf4a0 ffff88009e9bf450 ffffffffb363c3e0 [ 3729.356519] Call Trace: [ 3729.363786] [] dump_stack+0xd7/0x132 [ 3729.380646] [] ? arch_local_irq_restore+0x1b/0x1b [ 3729.400101] [] ubsan_epilogue+0x12/0x53 [ 3729.418319] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3729.438868] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3729.461780] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3729.485579] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3729.526249] [] ext4_group_first_block_no+0x2e/0xd9 [ 3729.587757] [] ext4_grp_offs_to_block+0xdf/0xf4 [ 3729.642528] [] ext4_mb_use_preallocated.constprop.15+0x55f/0x8d1 [ 3729.694846] [] ext4_mb_new_blocks+0x8a6/0x209c [ 3729.759833] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3730.060113] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3730.087055] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3730.116590] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3730.159215] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3730.242461] [] ? find_get_entry+0x104/0x104 [ 3730.278363] [] ? __put_compound_page+0x77/0x77 [ 3730.317551] [] ? lru_add_drain_cpu+0x310/0x31c [ 3730.404983] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3730.479338] [] ext4_map_blocks+0x815/0xef8 [ 3730.559599] [] ? ext4_issue_zeroout+0x182/0x182 [ 3730.643696] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3730.720412] [] ext4_writepages+0xab5/0x1c84 [ 3730.781066] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3730.896043] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3730.924912] [] ? wb_get+0xde/0x11f [ 3730.943665] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3730.967787] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3730.987662] [] do_writepages+0xe5/0x10c [ 3731.004727] [] ? do_writepages+0xe5/0x10c [ 3731.025546] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3731.048735] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3731.068562] [] ? replace_page_cache_page+0x235/0x235 [ 3731.091050] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3731.110997] [] filemap_flush+0x2a/0x2c [ 3731.129002] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3731.150505] [] ? ext4_release_file+0x49/0x260 [ 3731.166786] [] ext4_release_file+0x64/0x260 [ 3731.186536] [] __fput+0x38b/0x68b [ 3731.202712] [] ____fput+0x1c/0x1e [ 3731.216192] [] task_work_run+0x11e/0x140 [ 3731.233415] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3731.254506] [] syscall_return_slowpath+0x1b4/0x247 [ 3731.274177] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3731.296806] ================================================================================ [ 3731.323797] ================================================================================ [ 3731.353362] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2121:34 [ 3731.371036] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3731.399843] which requires 64 byte alignment [ 3731.415365] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3731.441340] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3731.478686] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf478 ffffffffb26ec5cc [ 3731.509575] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3731.535661] ffffffff00000010 ffff88009e9bf4a0 ffff88009e9bf450 ffffffffb363c3e0 [ 3731.567418] Call Trace: [ 3731.575799] [] dump_stack+0xd7/0x132 [ 3731.590346] [] ? arch_local_irq_restore+0x1b/0x1b [ 3731.610693] [] ubsan_epilogue+0x12/0x53 [ 3731.626792] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3731.650079] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3731.670360] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3731.690523] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3731.714605] [] ext4_group_first_block_no+0x5c/0xd9 [ 3731.735325] [] ext4_grp_offs_to_block+0xdf/0xf4 [ 3731.756269] [] ext4_mb_use_preallocated.constprop.15+0x55f/0x8d1 [ 3731.782315] [] ext4_mb_new_blocks+0x8a6/0x209c [ 3731.805062] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3731.831417] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3731.858481] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3731.886587] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3731.907308] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3731.931962] [] ? find_get_entry+0x104/0x104 [ 3731.948597] [] ? __put_compound_page+0x77/0x77 [ 3731.970221] [] ? lru_add_drain_cpu+0x310/0x31c [ 3731.990660] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3732.012356] [] ext4_map_blocks+0x815/0xef8 [ 3732.035354] [] ? ext4_issue_zeroout+0x182/0x182 [ 3732.055517] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3732.077220] [] ext4_writepages+0xab5/0x1c84 [ 3732.097447] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3732.117829] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3732.140578] [] ? wb_get+0xde/0x11f [ 3732.157683] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3732.179309] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3732.204118] [] do_writepages+0xe5/0x10c [ 3732.222458] [] ? do_writepages+0xe5/0x10c [ 3732.239995] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3732.264488] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3732.288488] [] ? replace_page_cache_page+0x235/0x235 [ 3732.311613] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3732.337505] [] filemap_flush+0x2a/0x2c [ 3732.360373] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3732.389554] [] ? ext4_release_file+0x49/0x260 [ 3732.412831] [] ext4_release_file+0x64/0x260 [ 3732.439454] [] __fput+0x38b/0x68b [ 3732.464996] [] ____fput+0x1c/0x1e [ 3732.490203] [] task_work_run+0x11e/0x140 [ 3732.514845] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3732.540794] [] syscall_return_slowpath+0x1b4/0x247 [ 3732.567543] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3732.588264] ================================================================================ [ 3732.619436] ================================================================================ [ 3732.650548] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3732.745227] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3732.844721] which requires 64 byte alignment [ 3732.911530] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3732.989829] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3733.108113] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf478 ffffffffb26ec5cc [ 3733.151892] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3733.201978] ffffffff00000010 ffff88009e9bf4a0 ffff88009e9bf450 ffffffffb363c3e0 [ 3733.245325] Call Trace: [ 3733.255986] [] dump_stack+0xd7/0x132 [ 3733.272414] [] ? arch_local_irq_restore+0x1b/0x1b [ 3733.302894] [] ubsan_epilogue+0x12/0x53 [ 3733.322401] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3733.348815] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3733.371332] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3733.394560] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3733.416855] [] ext4_group_first_block_no+0x84/0xd9 [ 3733.436792] [] ext4_grp_offs_to_block+0xdf/0xf4 [ 3733.455711] [] ext4_mb_use_preallocated.constprop.15+0x55f/0x8d1 [ 3733.484247] [] ext4_mb_new_blocks+0x8a6/0x209c [ 3733.505402] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3733.526797] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3733.551657] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3733.573549] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3733.592967] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3733.618346] [] ? find_get_entry+0x104/0x104 [ 3733.636966] [] ? __put_compound_page+0x77/0x77 [ 3733.655909] [] ? lru_add_drain_cpu+0x310/0x31c [ 3733.675151] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3733.700796] [] ext4_map_blocks+0x815/0xef8 [ 3733.718706] [] ? ext4_issue_zeroout+0x182/0x182 [ 3733.740862] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3733.766945] [] ext4_writepages+0xab5/0x1c84 [ 3733.793322] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3733.817578] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3733.840344] [] ? wb_get+0xde/0x11f [ 3733.858367] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3733.884860] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3733.907777] [] do_writepages+0xe5/0x10c [ 3733.925587] [] ? do_writepages+0xe5/0x10c [ 3733.950507] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3733.976308] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3734.003218] [] ? replace_page_cache_page+0x235/0x235 [ 3734.077320] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3734.132561] [] filemap_flush+0x2a/0x2c [ 3734.156834] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3734.187035] [] ? ext4_release_file+0x49/0x260 [ 3734.211699] [] ext4_release_file+0x64/0x260 [ 3734.236062] [] __fput+0x38b/0x68b [ 3734.255423] [] ____fput+0x1c/0x1e [ 3734.272199] [] task_work_run+0x11e/0x140 [ 3734.291940] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3734.315586] [] syscall_return_slowpath+0x1b4/0x247 [ 3734.335410] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3734.356230] ================================================================================ [ 3734.387205] ================================================================================ [ 3734.414620] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2122:3 [ 3734.437646] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3734.470674] which requires 64 byte alignment [ 3734.485672] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3734.509631] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3734.549325] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf478 ffffffffb26ec5cc [ 3734.579392] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3734.610195] ffffffff00000010 ffff88009e9bf4a0 ffff88009e9bf450 ffffffffb363c3e0 [ 3734.636694] Call Trace: [ 3734.649082] [] dump_stack+0xd7/0x132 [ 3734.666882] [] ? arch_local_irq_restore+0x1b/0x1b [ 3734.691330] [] ubsan_epilogue+0x12/0x53 [ 3734.711022] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3734.739239] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3734.764760] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3734.789329] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3734.814811] [] ext4_group_first_block_no+0x9d/0xd9 [ 3734.835308] [] ext4_grp_offs_to_block+0xdf/0xf4 [ 3734.856674] [] ext4_mb_use_preallocated.constprop.15+0x55f/0x8d1 [ 3734.879916] [] ext4_mb_new_blocks+0x8a6/0x209c [ 3734.902057] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3734.927629] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3734.955102] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3734.979707] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3734.999360] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3735.025513] [] ? find_get_entry+0x104/0x104 [ 3735.046277] [] ? __put_compound_page+0x77/0x77 [ 3735.071946] [] ? lru_add_drain_cpu+0x310/0x31c [ 3735.093887] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3735.123854] [] ext4_map_blocks+0x815/0xef8 [ 3735.144387] [] ? ext4_issue_zeroout+0x182/0x182 [ 3735.166185] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3735.188412] [] ext4_writepages+0xab5/0x1c84 [ 3735.209569] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3735.231358] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3735.277442] [] ? wb_get+0xde/0x11f [ 3735.316018] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3735.429255] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3735.481679] [] do_writepages+0xe5/0x10c [ 3735.525815] [] ? do_writepages+0xe5/0x10c [ 3735.561232] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3735.596463] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3735.633301] [] ? replace_page_cache_page+0x235/0x235 [ 3735.670754] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3735.710415] [] filemap_flush+0x2a/0x2c [ 3735.753296] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3735.789205] [] ? ext4_release_file+0x49/0x260 [ 3735.841576] [] ext4_release_file+0x64/0x260 [ 3735.916857] [] __fput+0x38b/0x68b [ 3736.041374] [] ____fput+0x1c/0x1e [ 3736.096159] [] task_work_run+0x11e/0x140 [ 3736.163719] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3736.232238] [] syscall_return_slowpath+0x1b4/0x247 [ 3736.286771] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3736.326370] ================================================================================ [ 3736.364455] ================================================================================ [ 3736.512773] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3736.561435] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3736.748047] which requires 64 byte alignment [ 3736.789850] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3736.832539] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3736.882754] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf4a8 ffffffffb26ec5cc [ 3736.923860] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3736.979505] 0000000000000010 ffff88009e9bf4d0 ffff88009e9bf480 ffffffffb363c3e0 [ 3737.025126] Call Trace: [ 3737.038971] [] dump_stack+0xd7/0x132 [ 3737.075670] [] ? arch_local_irq_restore+0x1b/0x1b [ 3737.111488] [] ubsan_epilogue+0x12/0x53 [ 3737.140941] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3737.179429] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3737.217959] [] ext4_mb_normalize_request.constprop.16+0x61/0x1407 [ 3737.260894] [] ? ext4_mb_use_preallocated.constprop.15+0x8c0/0x8d1 [ 3737.307313] [] ext4_mb_new_blocks+0x8de/0x209c [ 3737.343560] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3737.377787] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3737.427196] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3737.472019] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3737.502737] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3737.535905] [] ? find_get_entry+0x104/0x104 [ 3737.570220] [] ? __put_compound_page+0x77/0x77 [ 3737.602321] [] ? lru_add_drain_cpu+0x310/0x31c [ 3737.631619] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3737.670407] [] ext4_map_blocks+0x815/0xef8 [ 3737.710378] [] ? ext4_issue_zeroout+0x182/0x182 [ 3737.742501] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3737.777262] [] ext4_writepages+0xab5/0x1c84 [ 3737.810362] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3737.839377] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3737.876832] [] ? wb_get+0xde/0x11f [ 3737.910989] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3737.953359] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3737.988277] [] do_writepages+0xe5/0x10c [ 3738.015981] [] ? do_writepages+0xe5/0x10c [ 3738.046492] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3738.079266] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3738.117618] [] ? replace_page_cache_page+0x235/0x235 [ 3738.204532] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3738.236790] [] filemap_flush+0x2a/0x2c [ 3738.263247] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3738.294721] [] ? ext4_release_file+0x49/0x260 [ 3738.325377] [] ext4_release_file+0x64/0x260 [ 3738.355215] [] __fput+0x38b/0x68b [ 3738.375820] [] ____fput+0x1c/0x1e [ 3738.401604] [] task_work_run+0x11e/0x140 [ 3738.427639] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3738.459033] [] syscall_return_slowpath+0x1b4/0x247 [ 3738.490747] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3738.524948] ================================================================================ [ 3738.572416] ================================================================================ [ 3738.612941] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3738.642507] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3738.683744] which requires 64 byte alignment [ 3738.708978] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3738.740733] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3738.790053] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf4a8 ffffffffb26ec5cc [ 3738.845030] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3738.888652] ffffffff00000010 ffff88009e9bf4d0 ffff88009e9bf480 ffffffffb363c3e0 [ 3738.926275] Call Trace: [ 3738.936086] [] dump_stack+0xd7/0x132 [ 3738.962659] [] ? arch_local_irq_restore+0x1b/0x1b [ 3738.993692] [] ubsan_epilogue+0x12/0x53 [ 3739.023615] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3739.059537] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3739.102410] [] ext4_mb_normalize_request.constprop.16+0x19a/0x1407 [ 3739.147811] [] ? ext4_mb_use_preallocated.constprop.15+0x8c0/0x8d1 [ 3739.182665] [] ext4_mb_new_blocks+0x8de/0x209c [ 3739.221808] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3739.255685] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3739.292001] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3739.327211] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3739.359402] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3739.394621] [] ? find_get_entry+0x104/0x104 [ 3739.428272] [] ? __put_compound_page+0x77/0x77 [ 3739.458893] [] ? lru_add_drain_cpu+0x310/0x31c [ 3739.492894] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3739.540652] [] ext4_map_blocks+0x815/0xef8 [ 3739.588648] [] ? ext4_issue_zeroout+0x182/0x182 [ 3739.615540] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3739.648990] [] ext4_writepages+0xab5/0x1c84 [ 3739.680825] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3739.732029] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3739.807515] [] ? wb_get+0xde/0x11f [ 3739.833331] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3739.866253] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3739.898467] [] do_writepages+0xe5/0x10c [ 3739.925151] [] ? do_writepages+0xe5/0x10c [ 3739.952371] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3739.982820] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3740.016536] [] ? replace_page_cache_page+0x235/0x235 [ 3740.052404] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3740.083342] [] filemap_flush+0x2a/0x2c [ 3740.114238] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3740.141442] [] ? ext4_release_file+0x49/0x260 [ 3740.187710] [] ext4_release_file+0x64/0x260 [ 3740.252829] [] __fput+0x38b/0x68b [ 3740.291450] [] ____fput+0x1c/0x1e [ 3740.346884] [] task_work_run+0x11e/0x140 [ 3740.394906] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3740.447279] [] syscall_return_slowpath+0x1b4/0x247 [ 3740.506472] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3740.551881] ================================================================================ [ 3740.591327] ================================================================================ [ 3740.629648] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:3023:34 [ 3740.659835] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3740.706409] which requires 64 byte alignment [ 3740.726287] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3740.757779] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3740.802842] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf4a8 ffffffffb26ec5cc [ 3740.839836] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3740.876584] ffffffff00000010 ffff88009e9bf4d0 ffff88009e9bf480 ffffffffb363c3e0 [ 3740.914494] Call Trace: [ 3740.928736] [] dump_stack+0xd7/0x132 [ 3740.957636] [] ? arch_local_irq_restore+0x1b/0x1b [ 3740.991647] [] ubsan_epilogue+0x12/0x53 [ 3741.017011] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3741.051928] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3741.080569] [] ext4_mb_normalize_request.constprop.16+0x1b7/0x1407 [ 3741.125120] [] ? ext4_mb_use_preallocated.constprop.15+0x8c0/0x8d1 [ 3741.162447] [] ext4_mb_new_blocks+0x8de/0x209c [ 3741.194319] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3741.247417] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3741.281605] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3741.311130] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3741.344473] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3741.374953] [] ? find_get_entry+0x104/0x104 [ 3741.399511] [] ? __put_compound_page+0x77/0x77 [ 3741.428065] [] ? lru_add_drain_cpu+0x310/0x31c [ 3741.456771] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3741.487017] [] ext4_map_blocks+0x815/0xef8 [ 3741.516664] [] ? ext4_issue_zeroout+0x182/0x182 [ 3741.544984] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3741.579605] [] ext4_writepages+0xab5/0x1c84 [ 3741.606491] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3741.640374] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3741.668852] [] ? wb_get+0xde/0x11f [ 3741.693803] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3741.730181] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3741.759451] [] do_writepages+0xe5/0x10c [ 3741.789598] [] ? do_writepages+0xe5/0x10c [ 3741.817199] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3741.856123] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3741.888735] [] ? replace_page_cache_page+0x235/0x235 [ 3741.924661] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3741.955802] [] filemap_flush+0x2a/0x2c [ 3741.979597] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3742.006961] [] ? ext4_release_file+0x49/0x260 [ 3742.034352] [] ext4_release_file+0x64/0x260 [ 3742.059812] [] __fput+0x38b/0x68b [ 3742.082602] [] ____fput+0x1c/0x1e [ 3742.105163] [] task_work_run+0x11e/0x140 [ 3742.132310] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3742.160737] [] syscall_return_slowpath+0x1b4/0x247 [ 3742.188950] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3742.219539] ================================================================================ [ 3742.254150] ================================================================================ [ 3742.289240] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3742.316567] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3742.357443] which requires 64 byte alignment [ 3742.376147] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3742.407666] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3742.450270] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf440 ffffffffb26ec5cc [ 3742.481479] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3742.519275] ffffed0000000010 ffff88009e9bf468 ffff88009e9bf418 ffffffffb363c3e0 [ 3742.550529] Call Trace: [ 3742.559652] [] dump_stack+0xd7/0x132 [ 3742.582418] [] ? arch_local_irq_restore+0x1b/0x1b [ 3742.613352] [] ubsan_epilogue+0x12/0x53 [ 3742.637465] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3742.668468] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3742.703245] [] ext4_mb_regular_allocator+0xbb/0xa37 [ 3742.733036] [] ? ext4_mb_normalize_request.constprop.16+0x1ed/0x1407 [ 3742.772684] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3742.806637] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3742.843759] [] ? ext4_mb_use_preallocated.constprop.15+0x8c0/0x8d1 [ 3742.873652] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3742.899716] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3742.943035] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3742.975965] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3743.002464] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3743.031689] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3743.062962] [] ? find_get_entry+0x104/0x104 [ 3743.088400] [] ? __put_compound_page+0x77/0x77 [ 3743.117361] [] ? lru_add_drain_cpu+0x310/0x31c [ 3743.147337] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3743.180304] [] ext4_map_blocks+0x815/0xef8 [ 3743.206167] [] ? ext4_issue_zeroout+0x182/0x182 [ 3743.239751] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3743.279170] [] ext4_writepages+0xab5/0x1c84 [ 3743.304093] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3743.333430] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3743.365253] [] ? wb_get+0xde/0x11f [ 3743.389512] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3743.422264] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3743.455866] [] do_writepages+0xe5/0x10c [ 3743.481651] [] ? do_writepages+0xe5/0x10c [ 3743.507344] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3743.540486] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3743.567019] [] ? replace_page_cache_page+0x235/0x235 [ 3743.595922] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3743.625070] [] filemap_flush+0x2a/0x2c [ 3743.651782] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3743.677925] [] ? ext4_release_file+0x49/0x260 [ 3743.700927] [] ext4_release_file+0x64/0x260 [ 3743.726423] [] __fput+0x38b/0x68b [ 3743.748439] [] ____fput+0x1c/0x1e [ 3743.774534] [] task_work_run+0x11e/0x140 [ 3743.798817] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3743.828133] [] syscall_return_slowpath+0x1b4/0x247 [ 3743.860612] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3743.889571] ================================================================================ [ 3743.927020] ================================================================================ [ 3743.964442] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3743.989053] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3744.030172] which requires 64 byte alignment [ 3744.055709] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3744.085898] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3744.129392] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf440 ffffffffb26ec5cc [ 3744.163329] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3744.196609] ffff880000000010 ffff88009e9bf468 ffff88009e9bf418 ffffffffb363c3e0 [ 3744.235139] Call Trace: [ 3744.244348] [] dump_stack+0xd7/0x132 [ 3744.266133] [] ? arch_local_irq_restore+0x1b/0x1b [ 3744.298439] [] ubsan_epilogue+0x12/0x53 [ 3744.323770] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3744.357425] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3744.389248] [] ext4_mb_regular_allocator+0xe8/0xa37 [ 3744.417464] [] ? ext4_mb_normalize_request.constprop.16+0x1ed/0x1407 [ 3744.451808] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3744.481223] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3744.521280] [] ? ext4_mb_use_preallocated.constprop.15+0x8c0/0x8d1 [ 3744.549291] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3744.579447] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3744.612276] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3744.645211] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3744.675250] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3744.702183] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3744.734370] [] ? find_get_entry+0x104/0x104 [ 3744.762626] [] ? __put_compound_page+0x77/0x77 [ 3744.789508] [] ? lru_add_drain_cpu+0x310/0x31c [ 3744.821857] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3744.855259] [] ext4_map_blocks+0x815/0xef8 [ 3744.882172] [] ? ext4_issue_zeroout+0x182/0x182 [ 3744.910412] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3744.943705] [] ext4_writepages+0xab5/0x1c84 [ 3744.966490] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3744.998330] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3745.034547] [] ? wb_get+0xde/0x11f [ 3745.056963] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3745.090505] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3745.119361] [] do_writepages+0xe5/0x10c [ 3745.148791] [] ? do_writepages+0xe5/0x10c [ 3745.174765] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3745.206639] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3745.237309] [] ? replace_page_cache_page+0x235/0x235 [ 3745.266874] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3745.300079] [] filemap_flush+0x2a/0x2c [ 3745.326942] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3745.358829] [] ? ext4_release_file+0x49/0x260 [ 3745.387567] [] ext4_release_file+0x64/0x260 [ 3745.415554] [] __fput+0x38b/0x68b [ 3745.445542] [] ____fput+0x1c/0x1e [ 3745.469846] [] task_work_run+0x11e/0x140 [ 3745.495881] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3745.526174] [] syscall_return_slowpath+0x1b4/0x247 [ 3745.571587] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3745.611831] ================================================================================ [ 3745.655045] ================================================================================ [ 3745.691738] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2827:15 [ 3745.717142] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3745.763237] which requires 64 byte alignment [ 3745.781339] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3745.813530] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3745.860356] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf440 ffffffffb26ec5cc [ 3745.898712] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3745.939685] ffff880000000010 ffff88009e9bf468 ffff88009e9bf418 ffffffffb363c3e0 [ 3745.974364] Call Trace: [ 3745.982471] [] dump_stack+0xd7/0x132 [ 3746.009455] [] ? arch_local_irq_restore+0x1b/0x1b [ 3746.040150] [] ubsan_epilogue+0x12/0x53 [ 3746.067948] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3746.102215] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3746.143207] [] ext4_mb_regular_allocator+0x102/0xa37 [ 3746.178299] [] ? ext4_mb_normalize_request.constprop.16+0x1ed/0x1407 [ 3746.212890] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3746.248147] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3746.287195] [] ? ext4_mb_use_preallocated.constprop.15+0x8c0/0x8d1 [ 3746.325954] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3746.355990] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3746.383852] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3746.422514] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3746.455713] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3746.481452] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3746.509801] [] ? find_get_entry+0x104/0x104 [ 3746.536194] [] ? __put_compound_page+0x77/0x77 [ 3746.565355] [] ? lru_add_drain_cpu+0x310/0x31c [ 3746.598496] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3746.630126] [] ext4_map_blocks+0x815/0xef8 [ 3746.660492] [] ? ext4_issue_zeroout+0x182/0x182 [ 3746.688180] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3746.719682] [] ext4_writepages+0xab5/0x1c84 [ 3746.757828] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3746.793754] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3746.832156] [] ? wb_get+0xde/0x11f [ 3746.859963] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3746.897538] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3746.930940] [] do_writepages+0xe5/0x10c [ 3746.958151] [] ? do_writepages+0xe5/0x10c [ 3746.980537] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3747.012525] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3747.043667] [] ? replace_page_cache_page+0x235/0x235 [ 3747.081634] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3747.113277] [] filemap_flush+0x2a/0x2c [ 3747.142046] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3747.179004] [] ? ext4_release_file+0x49/0x260 [ 3747.208402] [] ext4_release_file+0x64/0x260 [ 3747.235948] [] __fput+0x38b/0x68b [ 3747.259323] [] ____fput+0x1c/0x1e [ 3747.281055] [] task_work_run+0x11e/0x140 [ 3747.304002] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3747.332833] [] syscall_return_slowpath+0x1b4/0x247 [ 3747.362259] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3747.391774] ================================================================================ [ 3747.428403] ================================================================================ [ 3747.467810] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3747.494357] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3747.533474] which requires 64 byte alignment [ 3747.553508] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3747.586324] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3747.629698] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf380 ffffffffb26ec5cc [ 3747.659553] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3747.694700] 0000000000000010 ffff88009e9bf3a8 ffff88009e9bf358 ffffffffb363c3e0 [ 3747.730805] Call Trace: [ 3747.744480] [] dump_stack+0xd7/0x132 [ 3747.763807] [] ? arch_local_irq_restore+0x1b/0x1b [ 3747.795187] [] ubsan_epilogue+0x12/0x53 [ 3747.819392] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3747.847861] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3747.881351] [] ? arch_local_irq_restore+0x6/0xd [ 3747.908576] [] ext4_mb_find_by_goal+0xf3/0x72a [ 3747.936080] [] ? ext4_mb_use_best_found+0x3f7/0x3f7 [ 3747.963525] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3747.992635] [] ext4_mb_regular_allocator+0x1f8/0xa37 [ 3748.020706] [] ? ext4_mb_normalize_request.constprop.16+0x1ed/0x1407 [ 3748.061225] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3748.093124] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3748.128236] [] ? ext4_mb_use_preallocated.constprop.15+0x8c0/0x8d1 [ 3748.166890] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3748.197689] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3748.227514] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3748.265100] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3748.296401] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3748.321385] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3748.354116] [] ? find_get_entry+0x104/0x104 [ 3748.378689] [] ? __put_compound_page+0x77/0x77 [ 3748.406903] [] ? lru_add_drain_cpu+0x310/0x31c [ 3748.434562] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3748.466029] [] ext4_map_blocks+0x815/0xef8 [ 3748.505203] [] ? ext4_issue_zeroout+0x182/0x182 [ 3748.533660] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3748.579718] [] ext4_writepages+0xab5/0x1c84 [ 3748.621218] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3748.655909] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3748.688258] [] ? wb_get+0xde/0x11f [ 3748.716122] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3748.749156] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3748.780307] [] do_writepages+0xe5/0x10c [ 3748.806039] [] ? do_writepages+0xe5/0x10c [ 3748.833688] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3748.866280] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3748.899281] [] ? replace_page_cache_page+0x235/0x235 [ 3748.929238] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3748.958534] [] filemap_flush+0x2a/0x2c [ 3748.983268] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3749.009085] [] ? ext4_release_file+0x49/0x260 [ 3749.045067] [] ext4_release_file+0x64/0x260 [ 3749.067757] [] __fput+0x38b/0x68b [ 3749.092915] [] ____fput+0x1c/0x1e [ 3749.115087] [] task_work_run+0x11e/0x140 [ 3749.150360] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3749.180525] [] syscall_return_slowpath+0x1b4/0x247 [ 3749.211486] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3749.243003] ================================================================================ [ 3749.286969] ================================================================================ [ 3749.329183] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2140:14 [ 3749.361011] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3749.400034] which requires 64 byte alignment [ 3749.420120] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3749.458558] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3749.506666] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf440 ffffffffb26ec5cc [ 3749.547484] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3749.594660] 0000000000000010 ffff88009e9bf468 ffff88009e9bf418 ffffffffb363c3e0 [ 3749.631607] Call Trace: [ 3749.645059] [] dump_stack+0xd7/0x132 [ 3749.678186] [] ? arch_local_irq_restore+0x1b/0x1b [ 3749.707951] [] ubsan_epilogue+0x12/0x53 [ 3749.733017] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3749.764698] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3749.795911] [] ext4_mb_regular_allocator+0x2f9/0xa37 [ 3749.824365] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3749.857402] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3749.895663] [] ? ext4_mb_use_preallocated.constprop.15+0x8c0/0x8d1 [ 3749.928271] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3749.959440] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3749.987928] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3750.025711] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3750.055738] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3750.082817] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3750.110812] [] ? find_get_entry+0x104/0x104 [ 3750.143358] [] ? __put_compound_page+0x77/0x77 [ 3750.165136] [] ? lru_add_drain_cpu+0x310/0x31c [ 3750.194253] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3750.228305] [] ext4_map_blocks+0x815/0xef8 [ 3750.253643] [] ? ext4_issue_zeroout+0x182/0x182 [ 3750.281460] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3750.306311] [] ext4_writepages+0xab5/0x1c84 [ 3750.332397] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3750.360872] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3750.389551] [] ? wb_get+0xde/0x11f [ 3750.412422] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3750.443370] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3750.476336] [] do_writepages+0xe5/0x10c [ 3750.500696] [] ? do_writepages+0xe5/0x10c [ 3750.526496] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3750.556949] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3750.583189] [] ? replace_page_cache_page+0x235/0x235 [ 3750.613572] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3750.641177] [] filemap_flush+0x2a/0x2c [ 3750.666194] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3750.697596] [] ? ext4_release_file+0x49/0x260 [ 3750.721589] [] ext4_release_file+0x64/0x260 [ 3750.747638] [] __fput+0x38b/0x68b [ 3750.771170] [] ____fput+0x1c/0x1e [ 3750.795212] [] task_work_run+0x11e/0x140 [ 3750.818681] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3750.845794] [] syscall_return_slowpath+0x1b4/0x247 [ 3750.874950] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3750.920801] ================================================================================ [ 3750.972508] ================================================================================ [ 3751.009206] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3751.034824] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3751.077458] which requires 64 byte alignment [ 3751.097892] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3751.128985] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3751.177645] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf3f8 ffffffffb26ec5cc [ 3751.239017] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3751.279268] ffffed0000000010 ffff88009e9bf420 ffff88009e9bf3d0 ffffffffb363c3e0 [ 3751.314724] Call Trace: [ 3751.332652] [] dump_stack+0xd7/0x132 [ 3751.362524] [] ? arch_local_irq_restore+0x1b/0x1b [ 3751.388314] [] ubsan_epilogue+0x12/0x53 [ 3751.415053] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3751.449727] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3751.484386] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3751.520653] [] ext4_mb_good_group+0x61/0x453 [ 3751.546401] [] ext4_mb_regular_allocator+0x5d5/0xa37 [ 3751.581304] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3751.612778] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3751.657070] [] ? ext4_mb_use_preallocated.constprop.15+0x8c0/0x8d1 [ 3751.695428] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3751.721321] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3751.752294] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3751.783303] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3751.814679] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3751.841277] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3751.875771] [] ? find_get_entry+0x104/0x104 [ 3751.900018] [] ? __put_compound_page+0x77/0x77 [ 3751.927153] [] ? lru_add_drain_cpu+0x310/0x31c [ 3751.951105] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3751.981762] [] ext4_map_blocks+0x815/0xef8 [ 3752.003904] [] ? ext4_issue_zeroout+0x182/0x182 [ 3752.031207] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3752.065080] [] ext4_writepages+0xab5/0x1c84 [ 3752.095484] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3752.120600] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3752.151767] [] ? wb_get+0xde/0x11f [ 3752.173534] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3752.208077] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3752.239053] [] do_writepages+0xe5/0x10c [ 3752.268708] [] ? do_writepages+0xe5/0x10c [ 3752.301739] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3752.335312] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3752.366558] [] ? replace_page_cache_page+0x235/0x235 [ 3752.395009] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3752.423827] [] filemap_flush+0x2a/0x2c [ 3752.445161] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3752.477385] [] ? ext4_release_file+0x49/0x260 [ 3752.503303] [] ext4_release_file+0x64/0x260 [ 3752.531339] [] __fput+0x38b/0x68b [ 3752.554772] [] ____fput+0x1c/0x1e [ 3752.582177] [] task_work_run+0x11e/0x140 [ 3752.609357] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3752.637784] [] syscall_return_slowpath+0x1b4/0x247 [ 3752.665519] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3752.690288] ================================================================================ [ 3752.732776] ================================================================================ [ 3752.769754] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2841:17 [ 3752.801439] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3752.843452] which requires 64 byte alignment [ 3752.860806] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3752.887834] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3752.932235] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf3f8 ffffffffb26ec5cc [ 3752.969500] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3753.001952] ffffffff00000010 ffff88009e9bf420 ffff88009e9bf3d0 ffffffffb363c3e0 [ 3753.037121] Call Trace: [ 3753.051892] [] dump_stack+0xd7/0x132 [ 3753.079203] [] ? arch_local_irq_restore+0x1b/0x1b [ 3753.102411] [] ubsan_epilogue+0x12/0x53 [ 3753.129746] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3753.160608] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3753.189694] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3753.222651] [] ext4_mb_good_group+0x90/0x453 [ 3753.250237] [] ext4_mb_regular_allocator+0x5d5/0xa37 [ 3753.284339] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3753.324220] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3753.363572] [] ? ext4_mb_use_preallocated.constprop.15+0x8c0/0x8d1 [ 3753.398344] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3753.425829] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3753.455906] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3753.489915] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3753.515978] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3753.545254] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3753.578165] [] ? find_get_entry+0x104/0x104 [ 3753.600015] [] ? __put_compound_page+0x77/0x77 [ 3753.626808] [] ? lru_add_drain_cpu+0x310/0x31c [ 3753.653151] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3753.683208] [] ext4_map_blocks+0x815/0xef8 [ 3753.706994] [] ? ext4_issue_zeroout+0x182/0x182 [ 3753.735636] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3753.763389] [] ext4_writepages+0xab5/0x1c84 [ 3753.785842] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3753.818456] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3753.848642] [] ? wb_get+0xde/0x11f [ 3753.871514] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3753.903990] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3753.933187] [] do_writepages+0xe5/0x10c [ 3753.958609] [] ? do_writepages+0xe5/0x10c [ 3753.982223] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3754.012448] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3754.050313] [] ? replace_page_cache_page+0x235/0x235 [ 3754.081849] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3754.114025] [] filemap_flush+0x2a/0x2c [ 3754.137097] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3754.163229] [] ? ext4_release_file+0x49/0x260 [ 3754.187025] [] ext4_release_file+0x64/0x260 [ 3754.214600] [] __fput+0x38b/0x68b [ 3754.240056] [] ____fput+0x1c/0x1e [ 3754.264242] [] task_work_run+0x11e/0x140 [ 3754.297901] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3754.324271] [] syscall_return_slowpath+0x1b4/0x247 [ 3754.357082] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3754.394978] ================================================================================ [ 3754.433743] ================================================================================ [ 3754.473538] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3754.496891] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3754.531949] which requires 64 byte alignment [ 3754.551063] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3754.581344] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3754.619038] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf140 ffffffffb26ec5cc [ 3754.649094] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3754.682681] 0000000000000010 ffff88009e9bf168 ffff88009e9bf118 ffffffffb363c3e0 [ 3754.717184] Call Trace: [ 3754.726228] [] dump_stack+0xd7/0x132 [ 3754.746179] [] ? arch_local_irq_restore+0x1b/0x1b [ 3754.774516] [] ubsan_epilogue+0x12/0x53 [ 3754.798399] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3754.827357] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3754.854806] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3754.879435] [] ext4_mb_generate_buddy+0x194/0x807 [ 3754.905137] [] ext4_mb_init_cache+0x7fe/0xbb3 [ 3754.934061] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3754.961519] [] ext4_mb_init_group+0x590/0x5c9 [ 3754.984574] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3755.010342] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3755.038182] [] ext4_mb_good_group+0x24a/0x453 [ 3755.063759] [] ext4_mb_regular_allocator+0x5d5/0xa37 [ 3755.089580] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3755.120968] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3755.152371] [] ? ext4_mb_use_preallocated.constprop.15+0x8c0/0x8d1 [ 3755.183206] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3755.207582] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3755.254214] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3755.283558] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3755.312863] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3755.341882] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3755.372775] [] ? find_get_entry+0x104/0x104 [ 3755.398838] [] ? __put_compound_page+0x77/0x77 [ 3755.425369] [] ? lru_add_drain_cpu+0x310/0x31c [ 3755.452838] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3755.483859] [] ext4_map_blocks+0x815/0xef8 [ 3755.509682] [] ? ext4_issue_zeroout+0x182/0x182 [ 3755.538486] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3755.567649] [] ext4_writepages+0xab5/0x1c84 [ 3755.597351] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3755.623110] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3755.656183] [] ? wb_get+0xde/0x11f [ 3755.680350] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3755.714108] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3755.744333] [] do_writepages+0xe5/0x10c [ 3755.768188] [] ? do_writepages+0xe5/0x10c [ 3755.798292] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3755.829663] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3755.859240] [] ? replace_page_cache_page+0x235/0x235 [ 3755.885900] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3755.912335] [] filemap_flush+0x2a/0x2c [ 3755.934682] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3755.962434] [] ? ext4_release_file+0x49/0x260 [ 3755.986641] [] ext4_release_file+0x64/0x260 [ 3756.011219] [] __fput+0x38b/0x68b [ 3756.031861] [] ____fput+0x1c/0x1e [ 3756.054896] [] task_work_run+0x11e/0x140 [ 3756.078752] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3756.103492] [] syscall_return_slowpath+0x1b4/0x247 [ 3756.131562] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3756.158615] ================================================================================ [ 3756.196401] ================================================================================ [ 3756.230077] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3756.275250] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3756.316156] which requires 64 byte alignment [ 3756.332176] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3756.367422] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3756.408469] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf140 ffffffffb26ec5cc [ 3756.442940] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3756.475917] ffff880000000010 ffff88009e9bf168 ffff88009e9bf118 ffffffffb363c3e0 [ 3756.506330] Call Trace: [ 3756.519458] [] dump_stack+0xd7/0x132 [ 3756.544577] [] ? arch_local_irq_restore+0x1b/0x1b [ 3756.575552] [] ubsan_epilogue+0x12/0x53 [ 3756.598760] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3756.629192] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3756.668437] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3756.697532] [] ext4_mb_generate_buddy+0x1c2/0x807 [ 3756.725519] [] ext4_mb_init_cache+0x7fe/0xbb3 [ 3756.750512] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3756.782051] [] ext4_mb_init_group+0x590/0x5c9 [ 3756.809026] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3756.839628] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3756.869466] [] ext4_mb_good_group+0x24a/0x453 [ 3756.902067] [] ext4_mb_regular_allocator+0x5d5/0xa37 [ 3756.930786] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3756.968682] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3757.007193] [] ? ext4_mb_use_preallocated.constprop.15+0x8c0/0x8d1 [ 3757.052927] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3757.084263] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3757.122278] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3757.158446] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3757.207804] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3757.258314] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3757.305582] [] ? find_get_entry+0x104/0x104 [ 3757.334523] [] ? __put_compound_page+0x77/0x77 [ 3757.369143] [] ? lru_add_drain_cpu+0x310/0x31c [ 3757.412545] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3757.469110] [] ext4_map_blocks+0x815/0xef8 [ 3757.500546] [] ? ext4_issue_zeroout+0x182/0x182 [ 3757.527851] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3757.564179] [] ext4_writepages+0xab5/0x1c84 [ 3757.588971] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3757.618010] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3757.648054] [] ? wb_get+0xde/0x11f [ 3757.672384] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3757.718642] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3757.754040] [] do_writepages+0xe5/0x10c [ 3757.782146] [] ? do_writepages+0xe5/0x10c [ 3757.810803] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3757.848693] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3757.880644] [] ? replace_page_cache_page+0x235/0x235 [ 3757.912199] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3757.938836] [] filemap_flush+0x2a/0x2c [ 3757.962994] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3757.997045] [] ? ext4_release_file+0x49/0x260 [ 3758.025451] [] ext4_release_file+0x64/0x260 [ 3758.053099] [] __fput+0x38b/0x68b [ 3758.078290] [] ____fput+0x1c/0x1e [ 3758.101294] [] task_work_run+0x11e/0x140 [ 3758.125093] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3758.151650] [] syscall_return_slowpath+0x1b4/0x247 [ 3758.180489] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3758.204507] ================================================================================ [ 3758.244164] ================================================================================ [ 3758.281806] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:674:2 [ 3758.319739] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3758.356027] which requires 64 byte alignment [ 3758.379725] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3758.408842] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3758.449752] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf140 ffffffffb26ec5cc [ 3758.483835] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3758.516809] ffff880000000010 ffff88009e9bf168 ffff88009e9bf118 ffffffffb363c3e0 [ 3758.556413] Call Trace: [ 3758.568324] [] dump_stack+0xd7/0x132 [ 3758.596398] [] ? arch_local_irq_restore+0x1b/0x1b [ 3758.620267] [] ubsan_epilogue+0x12/0x53 [ 3758.644267] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3758.672803] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3758.707274] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3758.735057] [] ext4_mb_generate_buddy+0x1dc/0x807 [ 3758.766845] [] ext4_mb_init_cache+0x7fe/0xbb3 [ 3758.794723] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3758.824021] [] ext4_mb_init_group+0x590/0x5c9 [ 3758.855339] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3758.886840] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3758.921210] [] ext4_mb_good_group+0x24a/0x453 [ 3758.947940] [] ext4_mb_regular_allocator+0x5d5/0xa37 [ 3758.978800] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3759.009887] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3759.050465] [] ? ext4_mb_use_preallocated.constprop.15+0x8c0/0x8d1 [ 3759.085289] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3759.121151] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3759.157410] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3759.190390] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3759.223160] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3759.253175] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3759.282576] [] ? find_get_entry+0x104/0x104 [ 3759.307216] [] ? __put_compound_page+0x77/0x77 [ 3759.338155] [] ? lru_add_drain_cpu+0x310/0x31c [ 3759.364511] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3759.414507] [] ext4_map_blocks+0x815/0xef8 [ 3759.440514] [] ? ext4_issue_zeroout+0x182/0x182 [ 3759.469557] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3759.499866] [] ext4_writepages+0xab5/0x1c84 [ 3759.524801] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3759.556547] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3759.585265] [] ? wb_get+0xde/0x11f [ 3759.607128] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3759.638524] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3759.672012] [] do_writepages+0xe5/0x10c [ 3759.694863] [] ? do_writepages+0xe5/0x10c [ 3759.720853] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3759.753282] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3759.784331] [] ? replace_page_cache_page+0x235/0x235 [ 3759.812393] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3759.838792] [] filemap_flush+0x2a/0x2c [ 3759.864160] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3759.894435] [] ? ext4_release_file+0x49/0x260 [ 3759.919080] [] ext4_release_file+0x64/0x260 [ 3759.945334] [] __fput+0x38b/0x68b [ 3759.966029] [] ____fput+0x1c/0x1e [ 3759.990573] [] task_work_run+0x11e/0x140 [ 3760.013781] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3760.040641] [] syscall_return_slowpath+0x1b4/0x247 [ 3760.065612] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3760.096696] ================================================================================ [ 3760.132716] ================================================================================ [ 3760.171530] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:676:18 [ 3760.200094] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3760.235563] which requires 64 byte alignment [ 3760.265025] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3760.301344] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3760.341171] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf140 ffffffffb26ec5cc [ 3760.376813] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3760.412295] ffff880000000010 ffff88009e9bf168 ffff88009e9bf118 ffffffffb363c3e0 [ 3760.445585] Call Trace: [ 3760.458328] [] dump_stack+0xd7/0x132 [ 3760.480489] [] ? arch_local_irq_restore+0x1b/0x1b [ 3760.513426] [] ubsan_epilogue+0x12/0x53 [ 3760.539744] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3760.571554] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3760.602519] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3760.628026] [] ext4_mb_generate_buddy+0x21d/0x807 [ 3760.658811] [] ext4_mb_init_cache+0x7fe/0xbb3 [ 3760.685936] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3760.721225] [] ext4_mb_init_group+0x590/0x5c9 [ 3760.749196] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3760.780536] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3760.808695] [] ext4_mb_good_group+0x24a/0x453 [ 3760.836858] [] ext4_mb_regular_allocator+0x5d5/0xa37 [ 3760.872038] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3760.902204] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3760.936722] [] ? ext4_mb_use_preallocated.constprop.15+0x8c0/0x8d1 [ 3760.975048] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3761.003036] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3761.040770] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3761.072878] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3761.108903] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3761.140536] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3761.174379] [] ? find_get_entry+0x104/0x104 [ 3761.204319] [] ? __put_compound_page+0x77/0x77 [ 3761.229260] [] ? lru_add_drain_cpu+0x310/0x31c [ 3761.255463] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3761.299086] [] ext4_map_blocks+0x815/0xef8 [ 3761.323341] [] ? ext4_issue_zeroout+0x182/0x182 [ 3761.352311] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3761.382391] [] ext4_writepages+0xab5/0x1c84 [ 3761.407138] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3761.439019] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3761.470356] [] ? wb_get+0xde/0x11f [ 3761.496910] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3761.523254] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3761.554976] [] do_writepages+0xe5/0x10c [ 3761.580895] [] ? do_writepages+0xe5/0x10c [ 3761.604411] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3761.636491] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3761.684648] [] ? replace_page_cache_page+0x235/0x235 [ 3761.737873] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3761.790334] [] filemap_flush+0x2a/0x2c [ 3761.856894] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3761.922831] [] ? ext4_release_file+0x49/0x260 [ 3761.962338] [] ext4_release_file+0x64/0x260 [ 3762.003061] [] __fput+0x38b/0x68b [ 3762.027560] [] ____fput+0x1c/0x1e [ 3762.056681] [] task_work_run+0x11e/0x140 [ 3762.076495] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3762.122253] [] syscall_return_slowpath+0x1b4/0x247 [ 3762.168248] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3762.199176] ================================================================================ [ 3762.237632] ================================================================================ [ 3762.274534] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:693:21 [ 3762.316727] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3762.353120] which requires 64 byte alignment [ 3762.369917] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3762.402319] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3762.447112] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf140 ffffffffb26ec5cc [ 3762.483059] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3762.521890] ffff880000000010 ffff88009e9bf168 ffff88009e9bf118 ffffffffb363c3e0 [ 3762.556578] Call Trace: [ 3762.568808] [] dump_stack+0xd7/0x132 [ 3762.592742] [] ? arch_local_irq_restore+0x1b/0x1b [ 3762.621529] [] ubsan_epilogue+0x12/0x53 [ 3762.644839] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3762.673556] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3762.703420] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3762.731010] [] ext4_mb_generate_buddy+0x3e3/0x807 [ 3762.762470] [] ext4_mb_init_cache+0x7fe/0xbb3 [ 3762.790973] [] ? ext4_mb_generate_from_pa+0x240/0x240 [ 3762.824401] [] ext4_mb_init_group+0x590/0x5c9 [ 3762.852658] [] ? ext4_mb_init_cache+0xbb3/0xbb3 [ 3762.883387] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3762.925226] [] ext4_mb_good_group+0x24a/0x453 [ 3762.963153] [] ext4_mb_regular_allocator+0x5d5/0xa37 [ 3762.996845] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3763.041756] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3763.085090] [] ? ext4_mb_use_preallocated.constprop.15+0x8c0/0x8d1 [ 3763.159034] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3763.191521] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3763.225078] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3763.256509] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3763.297276] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3763.338290] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3763.368267] [] ? find_get_entry+0x104/0x104 [ 3763.393625] [] ? __put_compound_page+0x77/0x77 [ 3763.422445] [] ? lru_add_drain_cpu+0x310/0x31c [ 3763.448702] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3763.474458] [] ext4_map_blocks+0x815/0xef8 [ 3763.498262] [] ? ext4_issue_zeroout+0x182/0x182 [ 3763.526353] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3763.555495] [] ext4_writepages+0xab5/0x1c84 [ 3763.575389] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3763.608898] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3763.638067] [] ? wb_get+0xde/0x11f [ 3763.660922] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3763.692951] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3763.733979] [] do_writepages+0xe5/0x10c [ 3763.773026] [] ? do_writepages+0xe5/0x10c [ 3763.825485] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3763.907351] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3763.958680] [] ? replace_page_cache_page+0x235/0x235 [ 3764.014023] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3764.076171] [] filemap_flush+0x2a/0x2c [ 3764.124383] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3764.171327] [] ? ext4_release_file+0x49/0x260 [ 3764.211379] [] ext4_release_file+0x64/0x260 [ 3764.256755] [] __fput+0x38b/0x68b [ 3764.303300] [] ____fput+0x1c/0x1e [ 3764.347747] [] task_work_run+0x11e/0x140 [ 3764.405644] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3764.457467] [] syscall_return_slowpath+0x1b4/0x247 [ 3764.500091] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3764.530247] ================================================================================ [ 3764.568508] ================================================================================ [ 3764.606020] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2076:33 [ 3764.632131] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3764.696676] which requires 64 byte alignment [ 3764.726512] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3764.834125] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3764.938676] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf3f8 ffffffffb26ec5cc [ 3765.002990] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3765.035617] ffffea0000000010 ffff88009e9bf420 ffff88009e9bf3d0 ffffffffb363c3e0 [ 3765.075574] Call Trace: [ 3765.087608] [] dump_stack+0xd7/0x132 [ 3765.112036] [] ? arch_local_irq_restore+0x1b/0x1b [ 3765.136580] [] ubsan_epilogue+0x12/0x53 [ 3765.162510] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3765.189581] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3765.217470] [] ? ext4_get_group_info+0x1e9/0x1f8 [ 3765.241091] [] ext4_mb_good_group+0x332/0x453 [ 3765.269777] [] ext4_mb_regular_allocator+0x5d5/0xa37 [ 3765.304768] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3765.335458] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3765.370023] [] ? ext4_mb_use_preallocated.constprop.15+0x8c0/0x8d1 [ 3765.400335] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3765.424147] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3765.453778] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3765.481772] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3765.514647] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3765.536605] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3765.563489] [] ? find_get_entry+0x104/0x104 [ 3765.587143] [] ? __put_compound_page+0x77/0x77 [ 3765.613104] [] ? lru_add_drain_cpu+0x310/0x31c [ 3765.638532] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3765.663471] [] ext4_map_blocks+0x815/0xef8 [ 3765.685258] [] ? ext4_issue_zeroout+0x182/0x182 [ 3765.708765] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3765.735318] [] ext4_writepages+0xab5/0x1c84 [ 3765.764759] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3765.790284] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3765.819526] [] ? wb_get+0xde/0x11f [ 3765.841617] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3765.874488] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3765.902852] [] do_writepages+0xe5/0x10c [ 3765.925492] [] ? do_writepages+0xe5/0x10c [ 3765.947684] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3765.974563] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3766.001817] [] ? replace_page_cache_page+0x235/0x235 [ 3766.030138] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3766.056040] [] filemap_flush+0x2a/0x2c [ 3766.081228] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3766.107090] [] ? ext4_release_file+0x49/0x260 [ 3766.138057] [] ext4_release_file+0x64/0x260 [ 3766.160641] [] __fput+0x38b/0x68b [ 3766.182295] [] ____fput+0x1c/0x1e [ 3766.199926] [] task_work_run+0x11e/0x140 [ 3766.224039] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3766.251774] [] syscall_return_slowpath+0x1b4/0x247 [ 3766.282230] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3766.315048] ================================================================================ [ 3766.352416] ================================================================================ [ 3766.390667] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2210:37 [ 3766.416104] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3766.453030] which requires 64 byte alignment [ 3766.471898] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3766.502763] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3766.541973] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf440 ffffffffb26ec5cc [ 3766.573141] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3766.603699] ffff880000000010 ffff88009e9bf468 ffff88009e9bf418 ffffffffb363c3e0 [ 3766.636540] Call Trace: [ 3766.643959] [] dump_stack+0xd7/0x132 [ 3766.664515] [] ? arch_local_irq_restore+0x1b/0x1b [ 3766.692611] [] ubsan_epilogue+0x12/0x53 [ 3766.718914] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3766.744620] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3766.777414] [] ? ext4_mb_good_group+0x443/0x453 [ 3766.801477] [] ext4_mb_regular_allocator+0x6ea/0xa37 [ 3766.828496] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3766.857629] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3766.896991] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3766.920443] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3766.952138] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3766.980850] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3767.008138] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3767.033516] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3767.059408] [] ? find_get_entry+0x104/0x104 [ 3767.083119] [] ? __put_compound_page+0x77/0x77 [ 3767.114880] [] ? lru_add_drain_cpu+0x310/0x31c [ 3767.138341] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3767.165795] [] ext4_map_blocks+0x815/0xef8 [ 3767.190064] [] ? ext4_issue_zeroout+0x182/0x182 [ 3767.220347] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3767.243013] [] ext4_writepages+0xab5/0x1c84 [ 3767.270129] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3767.293039] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3767.328788] [] ? wb_get+0xde/0x11f [ 3767.351162] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3767.380025] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3767.413414] [] do_writepages+0xe5/0x10c [ 3767.438900] [] ? do_writepages+0xe5/0x10c [ 3767.460642] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3767.489799] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3767.519990] [] ? replace_page_cache_page+0x235/0x235 [ 3767.544430] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3767.574809] [] filemap_flush+0x2a/0x2c [ 3767.595082] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3767.620899] [] ? ext4_release_file+0x49/0x260 [ 3767.644657] [] ext4_release_file+0x64/0x260 [ 3767.676786] [] __fput+0x38b/0x68b [ 3767.712014] [] ____fput+0x1c/0x1e [ 3767.774824] [] task_work_run+0x11e/0x140 [ 3767.807149] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3767.835440] [] syscall_return_slowpath+0x1b4/0x247 [ 3767.869065] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3767.899874] ================================================================================ [ 3767.944134] ================================================================================ [ 3767.975963] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1903:33 [ 3768.005051] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3768.050379] which requires 64 byte alignment [ 3768.068103] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3768.094003] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3768.139707] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf380 ffffffffb26ec5cc [ 3768.172540] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3768.206074] 0000000000000010 ffff88009e9bf3a8 ffff88009e9bf358 ffffffffb363c3e0 [ 3768.238502] Call Trace: [ 3768.250962] [] dump_stack+0xd7/0x132 [ 3768.270984] [] ? arch_local_irq_restore+0x1b/0x1b [ 3768.303435] [] ubsan_epilogue+0x12/0x53 [ 3768.360616] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3768.444691] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3768.525297] [] ? arch_local_irq_restore+0x6/0xd [ 3768.609008] [] ext4_mb_simple_scan_group+0x1fe/0x4a7 [ 3768.683080] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3768.753729] [] ? ext4_mb_find_by_goal+0x72a/0x72a [ 3768.786902] [] ? ext4_mb_good_group+0x443/0x453 [ 3768.815172] [] ext4_mb_regular_allocator+0x718/0xa37 [ 3768.848561] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3768.878038] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3768.920762] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3768.953819] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3768.988665] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3769.023203] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3769.055080] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3769.088246] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3769.118848] [] ? find_get_entry+0x104/0x104 [ 3769.149266] [] ? __put_compound_page+0x77/0x77 [ 3769.174875] [] ? lru_add_drain_cpu+0x310/0x31c [ 3769.203569] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3769.240413] [] ext4_map_blocks+0x815/0xef8 [ 3769.267939] [] ? ext4_issue_zeroout+0x182/0x182 [ 3769.300408] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3769.334050] [] ext4_writepages+0xab5/0x1c84 [ 3769.361668] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3769.393513] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3769.423791] [] ? wb_get+0xde/0x11f [ 3769.446521] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3769.478779] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3769.512569] [] do_writepages+0xe5/0x10c [ 3769.539372] [] ? do_writepages+0xe5/0x10c [ 3769.566643] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3769.599890] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3769.626786] [] ? replace_page_cache_page+0x235/0x235 [ 3769.654556] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3769.681468] [] filemap_flush+0x2a/0x2c [ 3769.705739] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3769.729198] [] ? ext4_release_file+0x49/0x260 [ 3769.757176] [] ext4_release_file+0x64/0x260 [ 3769.784517] [] __fput+0x38b/0x68b [ 3769.807155] [] ____fput+0x1c/0x1e [ 3769.828609] [] task_work_run+0x11e/0x140 [ 3769.855008] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3769.883155] [] syscall_return_slowpath+0x1b4/0x247 [ 3769.914445] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3769.940370] ================================================================================ [ 3769.983755] ================================================================================ [ 3770.020146] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3770.049008] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3770.092765] which requires 64 byte alignment [ 3770.113357] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3770.144837] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3770.191558] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf338 ffffffffb26ec5cc [ 3770.227255] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3770.271418] 1ffff10000000010 ffff88009e9bf360 ffff88009e9bf310 ffffffffb363c3e0 [ 3770.304304] Call Trace: [ 3770.320314] [] dump_stack+0xd7/0x132 [ 3770.348390] [] ? arch_local_irq_restore+0x1b/0x1b [ 3770.374891] [] ubsan_epilogue+0x12/0x53 [ 3770.403434] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3770.433171] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3770.469530] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3770.497663] [] mb_find_buddy+0x1e8/0x319 [ 3770.524577] [] ext4_mb_simple_scan_group+0x149/0x4a7 [ 3770.554727] [] ? ext4_mb_find_by_goal+0x72a/0x72a [ 3770.588330] [] ? ext4_mb_good_group+0x443/0x453 [ 3770.610099] [] ext4_mb_regular_allocator+0x718/0xa37 [ 3770.642654] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3770.674508] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3770.707905] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3770.735249] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3770.776667] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3770.812365] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3770.857807] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3770.893925] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3770.953364] [] ? find_get_entry+0x104/0x104 [ 3770.999282] [] ? __put_compound_page+0x77/0x77 [ 3771.040006] [] ? lru_add_drain_cpu+0x310/0x31c [ 3771.077553] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3771.120870] [] ext4_map_blocks+0x815/0xef8 [ 3771.170820] [] ? ext4_issue_zeroout+0x182/0x182 [ 3771.345488] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3771.423742] [] ext4_writepages+0xab5/0x1c84 [ 3771.601055] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3771.656716] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3771.707457] [] ? wb_get+0xde/0x11f [ 3771.736269] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3771.764948] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3771.793554] [] do_writepages+0xe5/0x10c [ 3771.820083] [] ? do_writepages+0xe5/0x10c [ 3771.845430] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3771.886472] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3771.938432] [] ? replace_page_cache_page+0x235/0x235 [ 3772.042483] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3772.095202] [] filemap_flush+0x2a/0x2c [ 3772.154130] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3772.260215] [] ? ext4_release_file+0x49/0x260 [ 3772.376327] [] ext4_release_file+0x64/0x260 [ 3772.428070] [] __fput+0x38b/0x68b [ 3772.486322] [] ____fput+0x1c/0x1e [ 3772.536886] [] task_work_run+0x11e/0x140 [ 3772.586239] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3772.646587] [] syscall_return_slowpath+0x1b4/0x247 [ 3772.746363] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3772.797493] ================================================================================ [ 3772.857606] ================================================================================ [ 3772.893379] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:459:42 [ 3772.925597] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3772.970479] which requires 64 byte alignment [ 3772.992125] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3773.023834] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3773.080467] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf338 ffffffffb26ec5cc [ 3773.119334] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3773.164447] ffffffff00000010 ffff88009e9bf360 ffff88009e9bf310 ffffffffb363c3e0 [ 3773.247142] Call Trace: [ 3773.266145] [] dump_stack+0xd7/0x132 [ 3773.303529] [] ? arch_local_irq_restore+0x1b/0x1b [ 3773.343256] [] ubsan_epilogue+0x12/0x53 [ 3773.380417] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3773.418612] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3773.461361] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3773.518311] [] mb_find_buddy+0x215/0x319 [ 3773.564209] [] ext4_mb_simple_scan_group+0x149/0x4a7 [ 3773.628557] [] ? ext4_mb_find_by_goal+0x72a/0x72a [ 3773.664439] [] ? ext4_mb_good_group+0x443/0x453 [ 3773.708676] [] ext4_mb_regular_allocator+0x718/0xa37 [ 3773.760935] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3773.803152] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3773.844965] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3773.881667] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3773.918008] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3773.976778] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3774.022485] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3774.055085] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3774.095436] [] ? find_get_entry+0x104/0x104 [ 3774.123438] [] ? __put_compound_page+0x77/0x77 [ 3774.163369] [] ? lru_add_drain_cpu+0x310/0x31c [ 3774.202020] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3774.263273] [] ext4_map_blocks+0x815/0xef8 [ 3774.295616] [] ? ext4_issue_zeroout+0x182/0x182 [ 3774.327960] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3774.390726] [] ext4_writepages+0xab5/0x1c84 [ 3774.489854] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3774.527450] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3774.859487] [] ? wb_get+0xde/0x11f [ 3775.073900] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3775.327292] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3775.695985] [] do_writepages+0xe5/0x10c [ 3775.922542] [] ? do_writepages+0xe5/0x10c [ 3776.077307] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3776.155796] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3776.208668] [] ? replace_page_cache_page+0x235/0x235 [ 3776.255279] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3776.335963] [] filemap_flush+0x2a/0x2c [ 3776.443352] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3776.606879] [] ? ext4_release_file+0x49/0x260 [ 3776.646935] [] ext4_release_file+0x64/0x260 [ 3776.684777] [] __fput+0x38b/0x68b [ 3776.715826] [] ____fput+0x1c/0x1e [ 3776.766088] [] task_work_run+0x11e/0x140 [ 3776.822890] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3776.881064] [] syscall_return_slowpath+0x1b4/0x247 [ 3776.984570] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3777.148372] ================================================================================ [ 3777.475870] ================================================================================ [ 3777.581280] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3777.698610] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3777.861021] which requires 64 byte alignment [ 3777.943143] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3778.038755] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3778.231790] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf338 ffffffffb26ec5cc [ 3778.295087] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3778.361007] ffffffff00000010 ffff88009e9bf360 ffff88009e9bf310 ffffffffb363c3e0 [ 3778.430230] Call Trace: [ 3778.449497] [] dump_stack+0xd7/0x132 [ 3778.507899] [] ? arch_local_irq_restore+0x1b/0x1b [ 3778.615438] [] ubsan_epilogue+0x12/0x53 [ 3778.680255] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3778.797358] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3778.945534] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3779.075638] [] mb_find_buddy+0x28b/0x319 [ 3779.179204] [] ext4_mb_simple_scan_group+0x149/0x4a7 [ 3779.293400] [] ? ext4_mb_find_by_goal+0x72a/0x72a [ 3779.370302] [] ? ext4_mb_good_group+0x443/0x453 [ 3779.460875] [] ext4_mb_regular_allocator+0x718/0xa37 [ 3779.524730] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3779.603414] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3779.820332] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3779.961996] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3780.042635] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3780.167073] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3780.316480] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3780.376839] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3780.473695] [] ? find_get_entry+0x104/0x104 [ 3780.701702] [] ? __put_compound_page+0x77/0x77 [ 3780.747763] [] ? lru_add_drain_cpu+0x310/0x31c [ 3780.799725] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3780.864356] [] ext4_map_blocks+0x815/0xef8 [ 3780.908488] [] ? ext4_issue_zeroout+0x182/0x182 [ 3780.967109] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3781.028083] [] ext4_writepages+0xab5/0x1c84 [ 3781.107618] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3781.150768] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3781.210127] [] ? wb_get+0xde/0x11f [ 3781.249916] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3781.495189] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3781.626455] [] do_writepages+0xe5/0x10c [ 3781.774860] [] ? do_writepages+0xe5/0x10c [ 3781.880831] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3782.117796] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3782.214564] [] ? replace_page_cache_page+0x235/0x235 [ 3782.282787] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3782.340135] [] filemap_flush+0x2a/0x2c [ 3782.375444] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3782.440451] [] ? ext4_release_file+0x49/0x260 [ 3782.482785] [] ext4_release_file+0x64/0x260 [ 3782.534941] [] __fput+0x38b/0x68b [ 3782.577879] [] ____fput+0x1c/0x1e [ 3782.615434] [] task_work_run+0x11e/0x140 [ 3782.663855] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3782.732828] [] syscall_return_slowpath+0x1b4/0x247 [ 3782.831283] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3782.892076] ================================================================================ [ 3782.976569] ================================================================================ [ 3783.100915] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:460:28 [ 3783.379608] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3783.630093] which requires 64 byte alignment [ 3783.760344] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3783.841855] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3784.031093] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf338 ffffffffb26ec5cc [ 3784.200262] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3784.360105] ffffffff00000010 ffff88009e9bf360 ffff88009e9bf310 ffffffffb363c3e0 [ 3784.533713] Call Trace: [ 3784.786277] [] dump_stack+0xd7/0x132 [ 3784.899002] [] ? arch_local_irq_restore+0x1b/0x1b [ 3784.958582] [] ubsan_epilogue+0x12/0x53 [ 3785.008588] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3785.112363] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3785.179444] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3785.231364] [] mb_find_buddy+0x2a5/0x319 [ 3785.284101] [] ext4_mb_simple_scan_group+0x149/0x4a7 [ 3785.336193] [] ? ext4_mb_find_by_goal+0x72a/0x72a [ 3785.387586] [] ? ext4_mb_good_group+0x443/0x453 [ 3785.441882] [] ext4_mb_regular_allocator+0x718/0xa37 [ 3785.528538] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3785.628418] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3785.704912] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3785.768608] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3785.854393] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3785.910494] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3785.962898] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3786.007853] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3786.115662] [] ? find_get_entry+0x104/0x104 [ 3786.169550] [] ? __put_compound_page+0x77/0x77 [ 3786.217322] [] ? lru_add_drain_cpu+0x310/0x31c [ 3786.269515] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3786.311814] [] ext4_map_blocks+0x815/0xef8 [ 3786.379788] [] ? ext4_issue_zeroout+0x182/0x182 [ 3786.492425] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3786.564222] [] ext4_writepages+0xab5/0x1c84 [ 3786.613638] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3786.668827] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3786.734643] [] ? wb_get+0xde/0x11f [ 3786.776776] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3786.886927] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3786.994010] [] do_writepages+0xe5/0x10c [ 3787.170290] [] ? do_writepages+0xe5/0x10c [ 3787.249230] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3787.537015] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3787.972100] [] ? replace_page_cache_page+0x235/0x235 [ 3788.045406] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3788.169196] [] filemap_flush+0x2a/0x2c [ 3788.297546] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3788.366028] [] ? ext4_release_file+0x49/0x260 [ 3788.468443] [] ext4_release_file+0x64/0x260 [ 3788.519819] [] __fput+0x38b/0x68b [ 3788.564992] [] ____fput+0x1c/0x1e [ 3788.739056] [] task_work_run+0x11e/0x140 [ 3788.795390] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3788.836227] [] syscall_return_slowpath+0x1b4/0x247 [ 3788.895838] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3788.955758] ================================================================================ [ 3789.015817] ================================================================================ [ 3789.083152] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3789.135252] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3789.234135] which requires 64 byte alignment [ 3789.285384] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3789.351341] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3789.582998] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf338 ffffffffb26ec5cc [ 3789.679001] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3789.756317] ffffffff00000010 ffff88009e9bf360 ffff88009e9bf310 ffffffffb363c3e0 [ 3789.917515] Call Trace: [ 3789.947011] [] dump_stack+0xd7/0x132 [ 3789.987853] [] ? arch_local_irq_restore+0x1b/0x1b [ 3790.038833] [] ubsan_epilogue+0x12/0x53 [ 3790.086792] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3790.168402] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3790.236249] [] ? mb_find_next_zero_bit+0xd6/0x114 [ 3790.292003] [] ext4_mb_use_best_found+0x5a/0x3f7 [ 3790.372487] [] ext4_mb_simple_scan_group+0x387/0x4a7 [ 3790.499722] [] ? ext4_mb_find_by_goal+0x72a/0x72a [ 3790.597249] [] ? ext4_mb_good_group+0x443/0x453 [ 3790.874476] [] ext4_mb_regular_allocator+0x718/0xa37 [ 3790.999635] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3791.066836] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3791.173794] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3791.231434] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3791.278552] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3791.378307] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3791.445858] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3791.497468] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3791.569126] [] ? find_get_entry+0x104/0x104 [ 3791.651754] [] ? __put_compound_page+0x77/0x77 [ 3791.707478] [] ? lru_add_drain_cpu+0x310/0x31c [ 3791.741984] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3791.801404] [] ext4_map_blocks+0x815/0xef8 [ 3791.841452] [] ? ext4_issue_zeroout+0x182/0x182 [ 3791.898662] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3791.938059] [] ext4_writepages+0xab5/0x1c84 [ 3791.980400] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3792.019074] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3792.100840] [] ? wb_get+0xde/0x11f [ 3792.148779] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3792.215355] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3792.280937] [] do_writepages+0xe5/0x10c [ 3792.354996] [] ? do_writepages+0xe5/0x10c [ 3792.416357] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3792.504860] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3792.570146] [] ? replace_page_cache_page+0x235/0x235 [ 3792.633914] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3792.690031] [] filemap_flush+0x2a/0x2c [ 3792.768531] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3792.922314] [] ? ext4_release_file+0x49/0x260 [ 3793.040501] [] ext4_release_file+0x64/0x260 [ 3793.239284] [] __fput+0x38b/0x68b [ 3793.284102] [] ____fput+0x1c/0x1e [ 3793.323648] [] task_work_run+0x11e/0x140 [ 3793.379894] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3793.433830] [] syscall_return_slowpath+0x1b4/0x247 [ 3793.490864] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3793.566238] ================================================================================ [ 3793.678264] ================================================================================ [ 3793.754811] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1575:2 [ 3793.833145] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3793.974285] which requires 64 byte alignment [ 3794.014159] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3794.094697] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3794.235630] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3794.333659] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3794.414703] ffff880000000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3794.479768] Call Trace: [ 3794.498419] [] dump_stack+0xd7/0x132 [ 3794.538737] [] ? arch_local_irq_restore+0x1b/0x1b [ 3794.599180] [] ubsan_epilogue+0x12/0x53 [ 3794.661994] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3794.728770] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3794.814830] [] ? ubsan_epilogue+0x26/0x53 [ 3794.858547] [] mb_mark_used+0x144/0xcdd [ 3794.912897] [] ? ext4_free_data_callback+0x533/0x533 [ 3794.988777] [] ? mb_find_next_zero_bit+0xd6/0x114 [ 3795.043886] [] ext4_mb_use_best_found+0x1b1/0x3f7 [ 3795.130929] [] ext4_mb_simple_scan_group+0x387/0x4a7 [ 3795.203652] [] ? ext4_mb_find_by_goal+0x72a/0x72a [ 3795.338716] [] ? ext4_mb_good_group+0x443/0x453 [ 3795.525373] [] ext4_mb_regular_allocator+0x718/0xa37 [ 3795.683290] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3795.774738] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3795.920843] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3795.984094] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3796.074735] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3796.163032] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3796.237910] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3796.309465] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3796.373021] [] ? find_get_entry+0x104/0x104 [ 3796.425914] [] ? __put_compound_page+0x77/0x77 [ 3796.482498] [] ? lru_add_drain_cpu+0x310/0x31c [ 3796.532727] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3796.632132] [] ext4_map_blocks+0x815/0xef8 [ 3796.711795] [] ? ext4_issue_zeroout+0x182/0x182 [ 3796.773410] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3796.854030] [] ext4_writepages+0xab5/0x1c84 [ 3796.938809] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3796.992626] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3797.051432] [] ? wb_get+0xde/0x11f [ 3797.091968] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3797.170596] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3797.242452] [] do_writepages+0xe5/0x10c [ 3797.353364] [] ? do_writepages+0xe5/0x10c [ 3797.453006] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3797.514406] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3797.574368] [] ? replace_page_cache_page+0x235/0x235 [ 3797.639269] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3797.689071] [] filemap_flush+0x2a/0x2c [ 3797.738888] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3797.812563] [] ? ext4_release_file+0x49/0x260 [ 3797.865859] [] ext4_release_file+0x64/0x260 [ 3797.918562] [] __fput+0x38b/0x68b [ 3797.970162] [] ____fput+0x1c/0x1e [ 3798.008269] [] task_work_run+0x11e/0x140 [ 3798.062038] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3798.123000] [] syscall_return_slowpath+0x1b4/0x247 [ 3798.179025] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3798.220729] ================================================================================ [ 3798.312696] ================================================================================ [ 3798.393224] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3798.457747] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3798.537615] which requires 64 byte alignment [ 3798.575128] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3798.658643] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3798.763271] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3798.839924] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3798.920783] ffffffff00000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3799.010941] Call Trace: [ 3799.027377] [] dump_stack+0xd7/0x132 [ 3799.239733] [] ? arch_local_irq_restore+0x1b/0x1b [ 3799.323739] [] ubsan_epilogue+0x12/0x53 [ 3799.385958] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3799.431549] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3799.474933] [] ? ubsan_epilogue+0x26/0x53 [ 3799.509416] [] mb_mark_used+0x1f6/0xcdd [ 3799.553885] [] ? ext4_free_data_callback+0x533/0x533 [ 3799.605229] [] ? mb_find_next_zero_bit+0xd6/0x114 [ 3799.651401] [] ext4_mb_use_best_found+0x1b1/0x3f7 [ 3799.686292] [] ext4_mb_simple_scan_group+0x387/0x4a7 [ 3799.729936] [] ? ext4_mb_find_by_goal+0x72a/0x72a [ 3799.770521] [] ? ext4_mb_good_group+0x443/0x453 [ 3799.807633] [] ext4_mb_regular_allocator+0x718/0xa37 [ 3799.858548] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3799.903611] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3799.951400] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3799.990205] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3800.036043] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3800.088143] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3800.135384] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3800.183526] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3800.229357] [] ? find_get_entry+0x104/0x104 [ 3800.270596] [] ? __put_compound_page+0x77/0x77 [ 3800.317561] [] ? lru_add_drain_cpu+0x310/0x31c [ 3800.354650] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3800.420916] [] ext4_map_blocks+0x815/0xef8 [ 3800.471115] [] ? ext4_issue_zeroout+0x182/0x182 [ 3800.521524] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3800.575062] [] ext4_writepages+0xab5/0x1c84 [ 3800.614158] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3800.659838] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3800.705910] [] ? wb_get+0xde/0x11f [ 3800.751064] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3800.801153] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3800.853015] [] do_writepages+0xe5/0x10c [ 3800.905270] [] ? do_writepages+0xe5/0x10c [ 3800.955363] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3801.010519] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3801.087620] [] ? replace_page_cache_page+0x235/0x235 [ 3801.154266] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3801.415287] [] filemap_flush+0x2a/0x2c [ 3801.507471] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3801.599626] [] ? ext4_release_file+0x49/0x260 [ 3801.675318] [] ext4_release_file+0x64/0x260 [ 3801.926662] [] __fput+0x38b/0x68b [ 3801.973324] [] ____fput+0x1c/0x1e [ 3802.032983] [] task_work_run+0x11e/0x140 [ 3802.090641] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3802.157396] [] syscall_return_slowpath+0x1b4/0x247 [ 3802.271441] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3802.544947] ================================================================================ [ 3802.756663] ================================================================================ [ 3802.883964] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2933:9 [ 3802.977719] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3803.227706] which requires 64 byte alignment [ 3803.285312] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3803.410411] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3803.593233] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3803.720600] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3803.807988] ffffffff00000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3804.129624] Call Trace: [ 3804.152288] [] dump_stack+0xd7/0x132 [ 3804.256277] [] ? arch_local_irq_restore+0x1b/0x1b [ 3804.358710] [] ubsan_epilogue+0x12/0x53 [ 3804.492623] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3804.569417] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3804.641708] [] ? ubsan_epilogue+0x26/0x53 [ 3804.705745] [] mb_mark_used+0x223/0xcdd [ 3804.866269] [] ? ext4_free_data_callback+0x533/0x533 [ 3804.969665] [] ? mb_find_next_zero_bit+0xd6/0x114 [ 3805.028411] [] ext4_mb_use_best_found+0x1b1/0x3f7 [ 3805.261611] [] ext4_mb_simple_scan_group+0x387/0x4a7 [ 3805.357200] [] ? ext4_mb_find_by_goal+0x72a/0x72a [ 3805.430026] [] ? ext4_mb_good_group+0x443/0x453 [ 3805.504115] [] ext4_mb_regular_allocator+0x718/0xa37 [ 3805.569890] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3805.653659] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3805.895289] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3806.047273] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3806.127880] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3806.609455] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3806.728882] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3807.160330] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3807.214155] [] ? find_get_entry+0x104/0x104 [ 3807.300299] [] ? __put_compound_page+0x77/0x77 [ 3807.357526] [] ? lru_add_drain_cpu+0x310/0x31c [ 3807.423135] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3807.498807] [] ext4_map_blocks+0x815/0xef8 [ 3807.565435] [] ? ext4_issue_zeroout+0x182/0x182 [ 3807.645248] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3807.720085] [] ext4_writepages+0xab5/0x1c84 [ 3807.767674] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3807.829378] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3807.926596] [] ? wb_get+0xde/0x11f [ 3807.980577] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3808.060936] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3808.132689] [] do_writepages+0xe5/0x10c [ 3808.207376] [] ? do_writepages+0xe5/0x10c [ 3808.268758] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3808.386798] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3808.454979] [] ? replace_page_cache_page+0x235/0x235 [ 3808.561305] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3808.705373] [] filemap_flush+0x2a/0x2c [ 3808.773846] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3808.859196] [] ? ext4_release_file+0x49/0x260 [ 3809.122743] [] ext4_release_file+0x64/0x260 [ 3809.205125] [] __fput+0x38b/0x68b [ 3809.255105] [] ____fput+0x1c/0x1e [ 3809.291332] [] task_work_run+0x11e/0x140 [ 3809.361951] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3809.455147] [] syscall_return_slowpath+0x1b4/0x247 [ 3809.523216] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3809.577950] ================================================================================ [ 3809.674992] ================================================================================ [ 3809.773406] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3809.832462] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3810.213762] which requires 64 byte alignment [ 3810.265209] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3810.345865] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3810.508876] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3810.643489] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3810.708132] ffffffff00000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3810.771842] Call Trace: [ 3810.782158] [] dump_stack+0xd7/0x132 [ 3810.859699] [] ? arch_local_irq_restore+0x1b/0x1b [ 3810.921176] [] ubsan_epilogue+0x12/0x53 [ 3810.961526] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3811.015630] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3811.085066] [] mb_mark_used+0x44f/0xcdd [ 3811.132085] [] ? ext4_free_data_callback+0x533/0x533 [ 3811.204162] [] ? mb_find_next_zero_bit+0xd6/0x114 [ 3811.278668] [] ext4_mb_use_best_found+0x1b1/0x3f7 [ 3811.448336] [] ext4_mb_simple_scan_group+0x387/0x4a7 [ 3811.757708] [] ? ext4_mb_find_by_goal+0x72a/0x72a [ 3811.812332] [] ? ext4_mb_good_group+0x443/0x453 [ 3811.875577] [] ext4_mb_regular_allocator+0x718/0xa37 [ 3811.940792] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3812.011075] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3812.114582] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3812.163481] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3812.228144] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3812.296157] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3812.374349] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3812.462047] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3812.559777] [] ? find_get_entry+0x104/0x104 [ 3812.713381] [] ? __put_compound_page+0x77/0x77 [ 3812.881164] [] ? lru_add_drain_cpu+0x310/0x31c [ 3813.312292] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3813.426161] [] ext4_map_blocks+0x815/0xef8 [ 3813.480201] [] ? ext4_issue_zeroout+0x182/0x182 [ 3813.574136] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3813.718839] [] ext4_writepages+0xab5/0x1c84 [ 3813.774716] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3813.833177] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3813.922819] [] ? wb_get+0xde/0x11f [ 3813.967283] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3814.055513] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3814.172812] [] do_writepages+0xe5/0x10c [ 3814.259216] [] ? do_writepages+0xe5/0x10c [ 3814.314931] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3814.379501] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3814.464280] [] ? replace_page_cache_page+0x235/0x235 [ 3814.544861] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3814.660975] [] filemap_flush+0x2a/0x2c [ 3814.707950] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3814.758764] [] ? ext4_release_file+0x49/0x260 [ 3814.826937] [] ext4_release_file+0x64/0x260 [ 3814.931038] [] __fput+0x38b/0x68b [ 3814.990397] [] ____fput+0x1c/0x1e [ 3815.065883] [] task_work_run+0x11e/0x140 [ 3815.124909] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3815.180652] [] syscall_return_slowpath+0x1b4/0x247 [ 3815.233832] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3815.325066] ================================================================================ [ 3815.431598] ================================================================================ [ 3815.523120] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1588:39 [ 3815.576595] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3815.660016] which requires 64 byte alignment [ 3815.685796] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3815.758904] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3815.859272] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf258 ffffffffb26ec5cc [ 3815.957399] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3816.019176] ffffffff00000010 ffff88009e9bf280 ffff88009e9bf230 ffffffffb363c3e0 [ 3816.102019] Call Trace: [ 3816.128022] [] dump_stack+0xd7/0x132 [ 3816.182144] [] ? arch_local_irq_restore+0x1b/0x1b [ 3816.244662] [] ubsan_epilogue+0x12/0x53 [ 3816.305646] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3816.374323] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3816.445983] [] mb_mark_used+0x47c/0xcdd [ 3816.503838] [] ? ext4_free_data_callback+0x533/0x533 [ 3816.561033] [] ? mb_find_next_zero_bit+0xd6/0x114 [ 3816.613975] [] ext4_mb_use_best_found+0x1b1/0x3f7 [ 3816.678736] [] ext4_mb_simple_scan_group+0x387/0x4a7 [ 3816.761160] [] ? ext4_mb_find_by_goal+0x72a/0x72a [ 3816.851742] [] ? ext4_mb_good_group+0x443/0x453 [ 3816.965392] [] ext4_mb_regular_allocator+0x718/0xa37 [ 3817.040952] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3817.115933] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3817.272916] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3817.414947] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3817.515927] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3817.824246] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3817.979473] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3818.344734] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3818.573598] [] ? find_get_entry+0x104/0x104 [ 3818.607202] [] ? __put_compound_page+0x77/0x77 [ 3818.659258] [] ? lru_add_drain_cpu+0x310/0x31c [ 3818.701656] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3818.748032] [] ext4_map_blocks+0x815/0xef8 [ 3818.785034] [] ? ext4_issue_zeroout+0x182/0x182 [ 3818.826742] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3818.877841] [] ext4_writepages+0xab5/0x1c84 [ 3818.919523] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3818.971051] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3819.026489] [] ? wb_get+0xde/0x11f [ 3819.063592] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3819.121201] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3819.175393] [] do_writepages+0xe5/0x10c [ 3819.218093] [] ? do_writepages+0xe5/0x10c [ 3819.257466] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3819.316109] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3819.350391] [] ? replace_page_cache_page+0x235/0x235 [ 3819.393114] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3819.433092] [] filemap_flush+0x2a/0x2c [ 3819.466595] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3819.504367] [] ? ext4_release_file+0x49/0x260 [ 3819.541367] [] ext4_release_file+0x64/0x260 [ 3819.582240] [] __fput+0x38b/0x68b [ 3819.617330] [] ____fput+0x1c/0x1e [ 3819.650735] [] task_work_run+0x11e/0x140 [ 3819.708799] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3819.762815] [] syscall_return_slowpath+0x1b4/0x247 [ 3819.808116] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3819.859996] ================================================================================ [ 3819.922864] ================================================================================ [ 3819.979450] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3820.026231] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3820.087906] which requires 64 byte alignment [ 3820.118653] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3820.174349] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3820.237866] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf380 ffffffffb26ec5cc [ 3820.293219] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3820.345722] ffffffff00000010 ffff88009e9bf3a8 ffff88009e9bf358 ffffffffb363c3e0 [ 3820.399155] Call Trace: [ 3820.419166] [] dump_stack+0xd7/0x132 [ 3820.455052] [] ? arch_local_irq_restore+0x1b/0x1b [ 3820.509787] [] ubsan_epilogue+0x12/0x53 [ 3820.547225] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3820.596602] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3820.649782] [] ? ext4_mb_use_best_found+0x3e9/0x3f7 [ 3820.698635] [] ext4_mb_simple_scan_group+0x3fa/0x4a7 [ 3820.748587] [] ? ext4_mb_find_by_goal+0x72a/0x72a [ 3820.800556] [] ? ext4_mb_good_group+0x443/0x453 [ 3820.850056] [] ext4_mb_regular_allocator+0x718/0xa37 [ 3820.900146] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3820.960557] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3821.033603] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3821.095589] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3821.174824] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3821.245677] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3821.311498] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3821.366962] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3821.414872] [] ? find_get_entry+0x104/0x104 [ 3821.460158] [] ? __put_compound_page+0x77/0x77 [ 3821.500926] [] ? lru_add_drain_cpu+0x310/0x31c [ 3821.546096] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3821.593373] [] ext4_map_blocks+0x815/0xef8 [ 3821.630070] [] ? ext4_issue_zeroout+0x182/0x182 [ 3821.677958] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3821.819897] [] ext4_writepages+0xab5/0x1c84 [ 3821.917238] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3822.018289] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3822.066976] [] ? wb_get+0xde/0x11f [ 3822.109038] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3822.151059] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3822.197034] [] do_writepages+0xe5/0x10c [ 3822.230270] [] ? do_writepages+0xe5/0x10c [ 3822.264537] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3822.312713] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3822.353674] [] ? replace_page_cache_page+0x235/0x235 [ 3822.394642] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3822.437294] [] filemap_flush+0x2a/0x2c [ 3822.503088] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3822.619992] [] ? ext4_release_file+0x49/0x260 [ 3822.769386] [] ext4_release_file+0x64/0x260 [ 3822.986277] [] __fput+0x38b/0x68b [ 3823.043808] [] ____fput+0x1c/0x1e [ 3823.087393] [] task_work_run+0x11e/0x140 [ 3823.140234] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3823.203486] [] syscall_return_slowpath+0x1b4/0x247 [ 3823.262859] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3823.298863] ================================================================================ [ 3823.350441] ================================================================================ [ 3823.419410] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1923:18 [ 3823.467648] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3823.573520] which requires 64 byte alignment [ 3823.601129] CPU: 0 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3823.666645] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3823.720998] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf380 ffffffffb26ec5cc [ 3823.802066] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3823.859637] ffff880000000010 ffff88009e9bf3a8 ffff88009e9bf358 ffffffffb363c3e0 [ 3823.930497] Call Trace: [ 3823.953238] [] dump_stack+0xd7/0x132 [ 3824.003796] [] ? arch_local_irq_restore+0x1b/0x1b [ 3824.080065] [] ubsan_epilogue+0x12/0x53 [ 3824.132346] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3824.193852] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3824.247057] [] ? ext4_mb_use_best_found+0x3e9/0x3f7 [ 3824.301344] [] ext4_mb_simple_scan_group+0x428/0x4a7 [ 3824.346299] [] ? ext4_mb_find_by_goal+0x72a/0x72a [ 3824.400398] [] ? ext4_mb_good_group+0x443/0x453 [ 3824.447623] [] ext4_mb_regular_allocator+0x718/0xa37 [ 3824.491171] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3824.546706] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3824.599996] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3824.640182] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3824.696496] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3824.754288] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3824.799248] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3824.836264] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3824.876978] [] ? find_get_entry+0x104/0x104 [ 3824.912494] [] ? __put_compound_page+0x77/0x77 [ 3824.947294] [] ? lru_add_drain_cpu+0x310/0x31c [ 3824.985884] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3825.037311] [] ext4_map_blocks+0x815/0xef8 [ 3825.076922] [] ? ext4_issue_zeroout+0x182/0x182 [ 3825.114888] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3825.150205] [] ext4_writepages+0xab5/0x1c84 [ 3825.188049] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3825.231448] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3825.275154] [] ? wb_get+0xde/0x11f [ 3825.307482] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3825.365520] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3825.401299] [] do_writepages+0xe5/0x10c [ 3825.439126] [] ? do_writepages+0xe5/0x10c [ 3825.475039] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3825.512726] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3825.549657] [] ? replace_page_cache_page+0x235/0x235 [ 3825.597519] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3825.650382] [] filemap_flush+0x2a/0x2c [ 3825.688991] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3825.726465] [] ? ext4_release_file+0x49/0x260 [ 3825.762462] [] ext4_release_file+0x64/0x260 [ 3825.804868] [] __fput+0x38b/0x68b [ 3825.833088] [] ____fput+0x1c/0x1e [ 3825.862014] [] task_work_run+0x11e/0x140 [ 3825.901923] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3825.944271] [] syscall_return_slowpath+0x1b4/0x247 [ 3825.982411] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3826.022601] ================================================================================ [ 3826.080275] ================================================================================ [ 3826.134228] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3826.171120] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3826.222519] which requires 64 byte alignment [ 3826.249082] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3826.299866] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3826.382503] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf420 ffffffffb26ec5cc [ 3826.454678] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3826.510839] ffff880000000010 ffff88009e9bf448 ffff88009e9bf3f8 ffffffffb363c3e0 [ 3826.588163] Call Trace: [ 3826.609016] [] dump_stack+0xd7/0x132 [ 3826.645718] [] ? arch_local_irq_restore+0x1b/0x1b [ 3826.685836] [] ubsan_epilogue+0x12/0x53 [ 3826.731018] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3826.769829] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3826.820152] [] ? ext4_get_group_no_and_offset+0x226/0x233 [ 3826.871682] [] ext4_mb_new_group_pa+0x5ef/0x82d [ 3826.914704] [] ? ext4_mb_use_preallocated.constprop.15+0x8d1/0x8d1 [ 3826.967613] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3827.023391] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3827.070609] [] ext4_mb_new_blocks+0x9dc/0x209c [ 3827.115003] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3827.152977] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3827.202319] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3827.253780] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3827.293939] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3827.347186] [] ? find_get_entry+0x104/0x104 [ 3827.396874] [] ? __put_compound_page+0x77/0x77 [ 3827.431140] [] ? lru_add_drain_cpu+0x310/0x31c [ 3827.469176] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3827.508069] [] ext4_map_blocks+0x815/0xef8 [ 3827.550622] [] ? ext4_issue_zeroout+0x182/0x182 [ 3827.583589] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3827.625346] [] ext4_writepages+0xab5/0x1c84 [ 3827.666114] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3827.708954] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3827.751135] [] ? wb_get+0xde/0x11f [ 3827.783879] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3827.833808] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3827.874676] [] do_writepages+0xe5/0x10c [ 3827.922159] [] ? do_writepages+0xe5/0x10c [ 3827.964032] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3828.005503] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3828.045595] [] ? replace_page_cache_page+0x235/0x235 [ 3828.084948] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3828.120085] [] filemap_flush+0x2a/0x2c [ 3828.152666] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3828.188279] [] ? ext4_release_file+0x49/0x260 [ 3828.229966] [] ext4_release_file+0x64/0x260 [ 3828.273036] [] __fput+0x38b/0x68b [ 3828.309563] [] ____fput+0x1c/0x1e [ 3828.345511] [] task_work_run+0x11e/0x140 [ 3828.394113] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3828.460574] [] syscall_return_slowpath+0x1b4/0x247 [ 3828.510671] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3828.573089] ================================================================================ [ 3828.637535] ================================================================================ [ 3828.704393] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3828.754386] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3828.825743] which requires 64 byte alignment [ 3828.854918] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3828.951906] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3829.038578] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf480 ffffffffb26ec5cc [ 3829.103955] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3829.165914] ffff880000000010 ffff88009e9bf4a8 ffff88009e9bf458 ffffffffb363c3e0 [ 3829.255313] Call Trace: [ 3829.274282] [] dump_stack+0xd7/0x132 [ 3829.433864] [] ? arch_local_irq_restore+0x1b/0x1b [ 3829.474037] [] ubsan_epilogue+0x12/0x53 [ 3829.528643] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3829.602424] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3829.650475] [] ? ext4_mb_new_group_pa+0x75a/0x82d [ 3829.703690] [] ext4_mb_mark_diskspace_used+0x146/0x80f [ 3829.749135] [] ? ext4_trim_all_free+0x912/0x912 [ 3829.793629] [] ext4_mb_new_blocks+0xa88/0x209c [ 3829.845140] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3829.893971] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3829.944018] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3829.990850] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3830.039370] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3830.088906] [] ? find_get_entry+0x104/0x104 [ 3830.113147] [] ? __put_compound_page+0x77/0x77 [ 3830.139657] [] ? lru_add_drain_cpu+0x310/0x31c [ 3830.164229] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3830.197425] [] ext4_map_blocks+0x815/0xef8 [ 3830.223149] [] ? ext4_issue_zeroout+0x182/0x182 [ 3830.256076] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3830.366256] [] ext4_writepages+0xab5/0x1c84 [ 3830.420712] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3830.473709] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3830.519526] [] ? wb_get+0xde/0x11f [ 3830.545999] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3830.583769] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3830.614563] [] do_writepages+0xe5/0x10c [ 3830.639484] [] ? do_writepages+0xe5/0x10c [ 3830.673005] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3830.767779] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3830.922357] [] ? replace_page_cache_page+0x235/0x235 [ 3830.948842] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3830.973727] [] filemap_flush+0x2a/0x2c [ 3830.998585] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3831.031904] [] ? ext4_release_file+0x49/0x260 [ 3831.059172] [] ext4_release_file+0x64/0x260 [ 3831.087420] [] __fput+0x38b/0x68b [ 3831.106227] [] ____fput+0x1c/0x1e [ 3831.129100] [] task_work_run+0x11e/0x140 [ 3831.148837] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3831.184856] [] syscall_return_slowpath+0x1b4/0x247 [ 3831.208834] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3831.235510] ================================================================================ [ 3831.267267] ================================================================================ [ 3831.300687] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2940:8 [ 3831.325008] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3831.361005] which requires 64 byte alignment [ 3831.385257] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3831.418503] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3831.457203] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf480 ffffffffb26ec5cc [ 3831.489994] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3831.521559] 0000000000000010 ffff88009e9bf4a8 ffff88009e9bf458 ffffffffb363c3e0 [ 3831.556651] Call Trace: [ 3831.573788] [] dump_stack+0xd7/0x132 [ 3831.623638] [] ? arch_local_irq_restore+0x1b/0x1b [ 3831.652403] [] ubsan_epilogue+0x12/0x53 [ 3831.672261] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3831.701183] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3831.729702] [] ? ext4_group_first_block_no+0xcc/0xd9 [ 3831.754126] [] ext4_mb_mark_diskspace_used+0x2a8/0x80f [ 3831.784804] [] ? ext4_trim_all_free+0x912/0x912 [ 3831.807215] [] ext4_mb_new_blocks+0xa88/0x209c [ 3831.831299] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3831.855619] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3831.882121] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3831.906439] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3831.928568] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3831.980706] [] ? find_get_entry+0x104/0x104 [ 3832.039535] [] ? __put_compound_page+0x77/0x77 [ 3832.082195] [] ? lru_add_drain_cpu+0x310/0x31c [ 3832.101462] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3832.126526] [] ext4_map_blocks+0x815/0xef8 [ 3832.146834] [] ? ext4_issue_zeroout+0x182/0x182 [ 3832.168123] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3832.190252] [] ext4_writepages+0xab5/0x1c84 [ 3832.213094] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3832.235374] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3832.257183] [] ? wb_get+0xde/0x11f [ 3832.273431] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3832.302414] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3832.325628] [] do_writepages+0xe5/0x10c [ 3832.342778] [] ? do_writepages+0xe5/0x10c [ 3832.365790] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3832.393119] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3832.424202] [] ? replace_page_cache_page+0x235/0x235 [ 3832.447824] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3832.471143] [] filemap_flush+0x2a/0x2c [ 3832.489862] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3832.515756] [] ? ext4_release_file+0x49/0x260 [ 3832.540694] [] ext4_release_file+0x64/0x260 [ 3832.566438] [] __fput+0x38b/0x68b [ 3832.588612] [] ____fput+0x1c/0x1e [ 3832.608701] [] task_work_run+0x11e/0x140 [ 3832.632503] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3832.656430] [] syscall_return_slowpath+0x1b4/0x247 [ 3832.682959] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3832.706478] ================================================================================ [ 3832.738645] ================================================================================ [ 3832.771998] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2991:9 [ 3832.795184] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3832.833084] which requires 64 byte alignment [ 3832.848038] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3832.890572] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3832.958753] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf480 ffffffffb26ec5cc [ 3832.987848] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3833.014424] ffff880000000010 ffff88009e9bf4a8 ffff88009e9bf458 ffffffffb363c3e0 [ 3833.041130] Call Trace: [ 3833.050569] [] dump_stack+0xd7/0x132 [ 3833.066898] [] ? arch_local_irq_restore+0x1b/0x1b [ 3833.087972] [] ubsan_epilogue+0x12/0x53 [ 3833.107331] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3833.132936] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3833.157184] [] ? __percpu_counter_add+0x180/0x18c [ 3833.176680] [] ext4_mb_mark_diskspace_used+0x6cb/0x80f [ 3833.198893] [] ? ext4_trim_all_free+0x912/0x912 [ 3833.219929] [] ext4_mb_new_blocks+0xa88/0x209c [ 3833.240179] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3833.264686] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3833.288037] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3833.313626] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3833.334646] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3833.355423] [] ? find_get_entry+0x104/0x104 [ 3833.374814] [] ? __put_compound_page+0x77/0x77 [ 3833.396917] [] ? lru_add_drain_cpu+0x310/0x31c [ 3833.419259] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3833.446684] [] ext4_map_blocks+0x815/0xef8 [ 3833.466810] [] ? ext4_issue_zeroout+0x182/0x182 [ 3833.488449] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3833.508385] [] ext4_writepages+0xab5/0x1c84 [ 3833.528581] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3833.548609] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3833.569647] [] ? wb_get+0xde/0x11f [ 3833.587663] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3833.617076] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3833.640379] [] do_writepages+0xe5/0x10c [ 3833.656705] [] ? do_writepages+0xe5/0x10c [ 3833.673953] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3833.694725] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3833.717008] [] ? replace_page_cache_page+0x235/0x235 [ 3833.738993] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3833.767409] [] filemap_flush+0x2a/0x2c [ 3833.785877] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3833.804057] [] ? ext4_release_file+0x49/0x260 [ 3833.825767] [] ext4_release_file+0x64/0x260 [ 3833.846330] [] __fput+0x38b/0x68b [ 3833.860659] [] ____fput+0x1c/0x1e [ 3833.875012] [] task_work_run+0x11e/0x140 [ 3833.895167] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3833.920917] [] syscall_return_slowpath+0x1b4/0x247 [ 3833.944187] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3833.969623] ================================================================================ [ 3834.002454] ================================================================================ [ 3834.034428] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2995:13 [ 3834.057136] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3834.089755] which requires 64 byte alignment [ 3834.105373] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3834.133850] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3834.169376] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf480 ffffffffb26ec5cc [ 3834.197271] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3834.222861] ffff880000000010 ffff88009e9bf4a8 ffff88009e9bf458 ffffffffb363c3e0 [ 3834.249366] Call Trace: [ 3834.257023] [] dump_stack+0xd7/0x132 [ 3834.273769] [] ? arch_local_irq_restore+0x1b/0x1b [ 3834.294437] [] ubsan_epilogue+0x12/0x53 [ 3834.314381] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3834.337603] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3834.359685] [] ? __percpu_counter_add+0x180/0x18c [ 3834.376156] [] ext4_mb_mark_diskspace_used+0x730/0x80f [ 3834.404489] [] ? ext4_trim_all_free+0x912/0x912 [ 3834.423909] [] ext4_mb_new_blocks+0xa88/0x209c [ 3834.445244] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3834.470425] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3834.502010] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3834.526883] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3834.555586] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3834.585819] [] ? find_get_entry+0x104/0x104 [ 3834.617118] [] ? __put_compound_page+0x77/0x77 [ 3834.645675] [] ? lru_add_drain_cpu+0x310/0x31c [ 3834.672497] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3834.697341] [] ext4_map_blocks+0x815/0xef8 [ 3834.719216] [] ? ext4_issue_zeroout+0x182/0x182 [ 3834.739424] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3834.763999] [] ext4_writepages+0xab5/0x1c84 [ 3834.784149] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3834.809514] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3834.833133] [] ? wb_get+0xde/0x11f [ 3834.847555] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3834.874702] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3834.897440] [] do_writepages+0xe5/0x10c [ 3834.918544] [] ? do_writepages+0xe5/0x10c [ 3834.937657] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3834.960105] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3834.985928] [] ? replace_page_cache_page+0x235/0x235 [ 3835.006940] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3835.033721] [] filemap_flush+0x2a/0x2c [ 3835.052889] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3835.077868] [] ? ext4_release_file+0x49/0x260 [ 3835.104669] [] ext4_release_file+0x64/0x260 [ 3835.125754] [] __fput+0x38b/0x68b [ 3835.144570] [] ____fput+0x1c/0x1e [ 3835.162187] [] task_work_run+0x11e/0x140 [ 3835.187083] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3835.211060] [] syscall_return_slowpath+0x1b4/0x247 [ 3835.237838] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3835.259800] ================================================================================ [ 3835.292989] ================================================================================ [ 3835.324397] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3835.350383] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3835.379684] which requires 64 byte alignment [ 3835.393081] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3835.418753] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3835.451737] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf540 ffffffffb26ec5cc [ 3835.476490] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3835.507223] 0000000000000010 ffff88009e9bf568 ffff88009e9bf518 ffffffffb363c3e0 [ 3835.534861] Call Trace: [ 3835.542011] [] dump_stack+0xd7/0x132 [ 3835.563927] [] ? arch_local_irq_restore+0x1b/0x1b [ 3835.587091] [] ubsan_epilogue+0x12/0x53 [ 3835.608465] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3835.638168] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3835.674231] [] ? ext4_group_first_block_no+0xcc/0xd9 [ 3835.704995] [] ext4_mb_new_blocks+0xdae/0x209c [ 3835.729670] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3835.756989] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3835.786733] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3835.811975] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3835.843250] [] ? find_get_entry+0x104/0x104 [ 3835.867513] [] ? __put_compound_page+0x77/0x77 [ 3835.893838] [] ? lru_add_drain_cpu+0x310/0x31c [ 3835.918285] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3835.946547] [] ext4_map_blocks+0x815/0xef8 [ 3835.965988] [] ? ext4_issue_zeroout+0x182/0x182 [ 3835.988321] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3836.009322] [] ext4_writepages+0xab5/0x1c84 [ 3836.028550] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3836.053046] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3836.072168] [] ? wb_get+0xde/0x11f [ 3836.091872] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3836.117623] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3836.146505] [] do_writepages+0xe5/0x10c [ 3836.170501] [] ? do_writepages+0xe5/0x10c [ 3836.194032] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3836.220731] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3836.245969] [] ? replace_page_cache_page+0x235/0x235 [ 3836.270638] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3836.295486] [] filemap_flush+0x2a/0x2c [ 3836.320210] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3836.343193] [] ? ext4_release_file+0x49/0x260 [ 3836.367198] [] ext4_release_file+0x64/0x260 [ 3836.389287] [] __fput+0x38b/0x68b [ 3836.408396] [] ____fput+0x1c/0x1e [ 3836.425752] [] task_work_run+0x11e/0x140 [ 3836.444971] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3836.471719] [] syscall_return_slowpath+0x1b4/0x247 [ 3836.498156] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3836.522307] ================================================================================ [ 3836.553188] ================================================================================ [ 3836.579367] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4372:21 [ 3836.603628] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3836.633790] which requires 64 byte alignment [ 3836.645764] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3836.671711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3836.705282] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf540 ffffffffb26ec5cc [ 3836.729584] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3836.756731] ffff880000000010 ffff88009e9bf568 ffff88009e9bf518 ffffffffb363c3e0 [ 3836.783164] Call Trace: [ 3836.790160] [] dump_stack+0xd7/0x132 [ 3836.809499] [] ? arch_local_irq_restore+0x1b/0x1b [ 3836.829244] [] ubsan_epilogue+0x12/0x53 [ 3836.849280] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3836.869462] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3836.895630] [] ? ext4_group_first_block_no+0xcc/0xd9 [ 3836.918541] [] ext4_mb_new_blocks+0xe81/0x209c [ 3836.943357] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3836.968763] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3836.989525] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3837.011100] [] ? find_get_entry+0x104/0x104 [ 3837.030432] [] ? __put_compound_page+0x77/0x77 [ 3837.053858] [] ? lru_add_drain_cpu+0x310/0x31c [ 3837.071493] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3837.094563] [] ext4_map_blocks+0x815/0xef8 [ 3837.111429] [] ? ext4_issue_zeroout+0x182/0x182 [ 3837.132302] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3837.154492] [] ext4_writepages+0xab5/0x1c84 [ 3837.171943] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3837.194482] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3837.217539] [] ? wb_get+0xde/0x11f [ 3837.235369] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3837.258120] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3837.278921] [] do_writepages+0xe5/0x10c [ 3837.293955] [] ? do_writepages+0xe5/0x10c [ 3837.312790] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3837.335163] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3837.356289] [] ? replace_page_cache_page+0x235/0x235 [ 3837.374816] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3837.398249] [] filemap_flush+0x2a/0x2c [ 3837.415793] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3837.435922] [] ? ext4_release_file+0x49/0x260 [ 3837.457001] [] ext4_release_file+0x64/0x260 [ 3837.476543] [] __fput+0x38b/0x68b [ 3837.490680] [] ____fput+0x1c/0x1e [ 3837.505299] [] task_work_run+0x11e/0x140 [ 3837.523237] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3837.546123] [] syscall_return_slowpath+0x1b4/0x247 [ 3837.567834] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3837.588524] ================================================================================ [ 3837.615800] ================================================================================ [ 3837.642156] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4373:21 [ 3837.659884] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3837.688381] which requires 64 byte alignment [ 3837.703907] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3837.723509] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3837.754273] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf540 ffffffffb26ec5cc [ 3837.778275] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3837.806676] ffff880000000010 ffff88009e9bf568 ffff88009e9bf518 ffffffffb363c3e0 [ 3837.827705] Call Trace: [ 3837.836621] [] dump_stack+0xd7/0x132 [ 3837.852749] [] ? arch_local_irq_restore+0x1b/0x1b [ 3837.870961] [] ubsan_epilogue+0x12/0x53 [ 3837.890786] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3837.916833] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3837.942856] [] ? ext4_group_first_block_no+0xcc/0xd9 [ 3837.963127] [] ext4_mb_new_blocks+0xf25/0x209c [ 3837.982470] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3838.002834] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3838.024317] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3838.046900] [] ? find_get_entry+0x104/0x104 [ 3838.066067] [] ? __put_compound_page+0x77/0x77 [ 3838.086746] [] ? lru_add_drain_cpu+0x310/0x31c [ 3838.104828] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3838.126404] [] ext4_map_blocks+0x815/0xef8 [ 3838.146092] [] ? ext4_issue_zeroout+0x182/0x182 [ 3838.164469] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3838.188654] [] ext4_writepages+0xab5/0x1c84 [ 3838.206680] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3838.225307] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3838.246471] [] ? wb_get+0xde/0x11f [ 3838.262245] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3838.286387] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3838.308402] [] do_writepages+0xe5/0x10c [ 3838.326166] [] ? do_writepages+0xe5/0x10c [ 3838.344225] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3838.370394] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3838.393026] [] ? replace_page_cache_page+0x235/0x235 [ 3838.418821] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3838.440598] [] filemap_flush+0x2a/0x2c [ 3838.459159] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3838.477435] [] ? ext4_release_file+0x49/0x260 [ 3838.496688] [] ext4_release_file+0x64/0x260 [ 3838.516729] [] __fput+0x38b/0x68b [ 3838.535432] [] ____fput+0x1c/0x1e [ 3838.550641] [] task_work_run+0x11e/0x140 [ 3838.571640] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3838.593408] [] syscall_return_slowpath+0x1b4/0x247 [ 3838.621702] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3838.644303] ================================================================================ [ 3838.676818] ================================================================================ [ 3838.713727] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3838.739899] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3838.781239] which requires 64 byte alignment [ 3838.802833] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3838.835810] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3838.875666] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf540 ffffffffb26ec5cc [ 3838.909379] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3838.941666] ffff880000000010 ffff88009e9bf568 ffff88009e9bf518 ffffffffb363c3e0 [ 3838.971014] Call Trace: [ 3838.980301] [] dump_stack+0xd7/0x132 [ 3838.995563] [] ? arch_local_irq_restore+0x1b/0x1b [ 3839.023556] [] ubsan_epilogue+0x12/0x53 [ 3839.043084] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3839.064531] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3839.089780] [] ? ext4_group_first_block_no+0xcc/0xd9 [ 3839.110897] [] ext4_mb_new_blocks+0x124c/0x209c [ 3839.134510] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3839.153487] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3839.172388] [] ? find_get_entry+0x104/0x104 [ 3839.192265] [] ? __put_compound_page+0x77/0x77 [ 3839.211194] [] ? lru_add_drain_cpu+0x310/0x31c [ 3839.230194] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3839.250623] [] ext4_map_blocks+0x815/0xef8 [ 3839.271439] [] ? ext4_issue_zeroout+0x182/0x182 [ 3839.300985] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3839.320638] [] ext4_writepages+0xab5/0x1c84 [ 3839.342249] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3839.359083] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3839.384596] [] ? wb_get+0xde/0x11f [ 3839.403452] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3839.427051] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3839.446888] [] do_writepages+0xe5/0x10c [ 3839.466719] [] ? do_writepages+0xe5/0x10c [ 3839.486024] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3839.507819] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3839.527543] [] ? replace_page_cache_page+0x235/0x235 [ 3839.551756] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3839.576037] [] filemap_flush+0x2a/0x2c [ 3839.596879] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3839.618478] [] ? ext4_release_file+0x49/0x260 [ 3839.641655] [] ext4_release_file+0x64/0x260 [ 3839.662324] [] __fput+0x38b/0x68b [ 3839.681550] [] ____fput+0x1c/0x1e [ 3839.701478] [] task_work_run+0x11e/0x140 [ 3839.722241] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3839.746878] [] syscall_return_slowpath+0x1b4/0x247 [ 3839.774414] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3839.802685] ================================================================================ [ 3839.831031] ================================================================================ [ 3839.863312] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:3224:9 [ 3839.889641] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3839.922730] which requires 64 byte alignment [ 3839.939580] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3839.973629] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3840.008767] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf540 ffffffffb26ec5cc [ 3840.035584] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3840.057567] ffff880000000010 ffff88009e9bf568 ffff88009e9bf518 ffffffffb363c3e0 [ 3840.083670] Call Trace: [ 3840.090293] [] dump_stack+0xd7/0x132 [ 3840.107511] [] ? arch_local_irq_restore+0x1b/0x1b [ 3840.130973] [] ubsan_epilogue+0x12/0x53 [ 3840.155342] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3840.175424] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3840.197977] [] ? ext4_group_first_block_no+0xcc/0xd9 [ 3840.219954] [] ext4_mb_new_blocks+0x127b/0x209c [ 3840.240886] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3840.259170] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3840.280647] [] ? find_get_entry+0x104/0x104 [ 3840.302868] [] ? __put_compound_page+0x77/0x77 [ 3840.324222] [] ? lru_add_drain_cpu+0x310/0x31c [ 3840.347150] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3840.374207] [] ext4_map_blocks+0x815/0xef8 [ 3840.392294] [] ? ext4_issue_zeroout+0x182/0x182 [ 3840.413612] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3840.437370] [] ext4_writepages+0xab5/0x1c84 [ 3840.459675] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3840.481539] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3840.504001] [] ? wb_get+0xde/0x11f [ 3840.523166] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3840.543630] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3840.566542] [] do_writepages+0xe5/0x10c [ 3840.584225] [] ? do_writepages+0xe5/0x10c [ 3840.606271] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3840.631906] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3840.655306] [] ? replace_page_cache_page+0x235/0x235 [ 3840.677034] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3840.698027] [] filemap_flush+0x2a/0x2c [ 3840.718142] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3840.739162] [] ? ext4_release_file+0x49/0x260 [ 3840.762105] [] ext4_release_file+0x64/0x260 [ 3840.787105] [] __fput+0x38b/0x68b [ 3840.806255] [] ____fput+0x1c/0x1e [ 3840.824427] [] task_work_run+0x11e/0x140 [ 3840.848708] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3840.873897] [] syscall_return_slowpath+0x1b4/0x247 [ 3840.900184] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3840.926202] ================================================================================ [ 3840.958734] ================================================================================ [ 3840.990274] UBSAN: Undefined behaviour in fs/ext4/extents.c:4494:11 [ 3841.010824] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3841.045380] which requires 64 byte alignment [ 3841.062359] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3841.089763] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3841.121179] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf5f8 ffffffffb26ec5cc [ 3841.145787] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3841.171542] ffff880000000010 ffff88009e9bf620 ffff88009e9bf5d0 ffffffffb363c3e0 [ 3841.195614] Call Trace: [ 3841.206178] [] dump_stack+0xd7/0x132 [ 3841.222484] [] ? arch_local_irq_restore+0x1b/0x1b [ 3841.240133] [] ubsan_epilogue+0x12/0x53 [ 3841.258695] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3841.277603] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3841.301996] [] ext4_ext_map_blocks+0x1bec/0x25b7 [ 3841.322281] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3841.341461] [] ? find_get_entry+0x104/0x104 [ 3841.359212] [] ? __put_compound_page+0x77/0x77 [ 3841.378282] [] ? lru_add_drain_cpu+0x310/0x31c [ 3841.396919] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3841.419799] [] ext4_map_blocks+0x815/0xef8 [ 3841.437902] [] ? ext4_issue_zeroout+0x182/0x182 [ 3841.456776] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3841.478287] [] ext4_writepages+0xab5/0x1c84 [ 3841.494579] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3841.517010] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3841.537997] [] ? wb_get+0xde/0x11f [ 3841.556253] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3841.577287] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3841.596143] [] do_writepages+0xe5/0x10c [ 3841.612128] [] ? do_writepages+0xe5/0x10c [ 3841.629281] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3841.653456] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3841.673119] [] ? replace_page_cache_page+0x235/0x235 [ 3841.691388] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3841.713028] [] filemap_flush+0x2a/0x2c [ 3841.729488] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3841.749918] [] ? ext4_release_file+0x49/0x260 [ 3841.768889] [] ext4_release_file+0x64/0x260 [ 3841.786107] [] __fput+0x38b/0x68b [ 3841.802223] [] ____fput+0x1c/0x1e [ 3841.827759] [] task_work_run+0x11e/0x140 [ 3841.843047] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3841.862328] [] syscall_return_slowpath+0x1b4/0x247 [ 3841.878835] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3841.903454] ================================================================================ [ 3841.927830] ================================================================================ [ 3841.954894] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3841.976658] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3842.001002] which requires 64 byte alignment [ 3842.012459] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3842.037077] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3842.063767] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf5a8 ffffffffb26ec5cc [ 3842.087645] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3842.110415] 0000000000000010 ffff88009e9bf5d0 ffff88009e9bf580 ffffffffb363c3e0 [ 3842.136150] Call Trace: [ 3842.142552] [] dump_stack+0xd7/0x132 [ 3842.159767] [] ? arch_local_irq_restore+0x1b/0x1b [ 3842.183249] [] ubsan_epilogue+0x12/0x53 [ 3842.197772] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3842.220063] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3842.241863] [] get_reserved_cluster_alloc+0x64/0x337 [ 3842.261668] [] ext4_ext_map_blocks+0x1f9a/0x25b7 [ 3842.281397] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3842.299993] [] ? find_get_entry+0x104/0x104 [ 3842.318737] [] ? __put_compound_page+0x77/0x77 [ 3842.338346] [] ? lru_add_drain_cpu+0x310/0x31c [ 3842.357782] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3842.381839] [] ext4_map_blocks+0x815/0xef8 [ 3842.399789] [] ? ext4_issue_zeroout+0x182/0x182 [ 3842.420610] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3842.439281] [] ext4_writepages+0xab5/0x1c84 [ 3842.459510] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3842.480675] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3842.513241] [] ? wb_get+0xde/0x11f [ 3842.526614] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3842.550901] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3842.571276] [] do_writepages+0xe5/0x10c [ 3842.585497] [] ? do_writepages+0xe5/0x10c [ 3842.602808] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3842.623495] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3842.726688] [] ? replace_page_cache_page+0x235/0x235 [ 3842.745445] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3842.764194] [] filemap_flush+0x2a/0x2c [ 3842.780578] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3842.799450] [] ? ext4_release_file+0x49/0x260 [ 3842.819763] [] ext4_release_file+0x64/0x260 [ 3842.837992] [] __fput+0x38b/0x68b [ 3842.852688] [] ____fput+0x1c/0x1e [ 3842.870178] [] task_work_run+0x11e/0x140 [ 3842.885836] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3842.905768] [] syscall_return_slowpath+0x1b4/0x247 [ 3842.925825] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3842.945714] ================================================================================ [ 3842.973347] ================================================================================ [ 3842.998402] UBSAN: Undefined behaviour in fs/ext4/extents.c:3918:24 [ 3843.021969] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3843.050505] which requires 64 byte alignment [ 3843.063356] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3843.083148] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3843.116222] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf5a8 ffffffffb26ec5cc [ 3843.147500] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3843.173441] ffffffff00000010 ffff88009e9bf5d0 ffff88009e9bf580 ffffffffb363c3e0 [ 3843.195579] Call Trace: [ 3843.205049] [] dump_stack+0xd7/0x132 [ 3843.220102] [] ? arch_local_irq_restore+0x1b/0x1b [ 3843.243036] [] ubsan_epilogue+0x12/0x53 [ 3843.258799] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3843.279449] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3843.303375] [] get_reserved_cluster_alloc+0x90/0x337 [ 3843.322656] [] ext4_ext_map_blocks+0x1f9a/0x25b7 [ 3843.341498] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3843.363101] [] ? find_get_entry+0x104/0x104 [ 3843.379837] [] ? __put_compound_page+0x77/0x77 [ 3843.398065] [] ? lru_add_drain_cpu+0x310/0x31c [ 3843.415224] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3843.439293] [] ext4_map_blocks+0x815/0xef8 [ 3843.456322] [] ? ext4_issue_zeroout+0x182/0x182 [ 3843.474276] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3843.493521] [] ext4_writepages+0xab5/0x1c84 [ 3843.511285] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3843.528132] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3843.548532] [] ? wb_get+0xde/0x11f [ 3843.562746] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3843.588054] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3843.606985] [] do_writepages+0xe5/0x10c [ 3843.625605] [] ? do_writepages+0xe5/0x10c [ 3843.642580] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3843.662877] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3843.681742] [] ? replace_page_cache_page+0x235/0x235 [ 3843.703584] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3843.721569] [] filemap_flush+0x2a/0x2c [ 3843.738619] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3843.758948] [] ? ext4_release_file+0x49/0x260 [ 3843.776961] [] ext4_release_file+0x64/0x260 [ 3843.794402] [] __fput+0x38b/0x68b [ 3843.811057] [] ____fput+0x1c/0x1e [ 3843.824392] [] task_work_run+0x11e/0x140 [ 3843.843125] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3843.861250] [] syscall_return_slowpath+0x1b4/0x247 [ 3843.880897] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3843.896800] ================================================================================ [ 3843.923015] ================================================================================ [ 3843.951182] UBSAN: Undefined behaviour in fs/ext4/extents.c:3919:22 [ 3843.971975] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3843.998386] which requires 64 byte alignment [ 3844.013678] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3844.036614] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3844.064923] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf5a8 ffffffffb26ec5cc [ 3844.088983] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3844.110337] ffffffff00000010 ffff88009e9bf5d0 ffff88009e9bf580 ffffffffb363c3e0 [ 3844.133453] Call Trace: [ 3844.140599] [] dump_stack+0xd7/0x132 [ 3844.156421] [] ? arch_local_irq_restore+0x1b/0x1b [ 3844.177497] [] ubsan_epilogue+0x12/0x53 [ 3844.194298] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3844.215047] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3844.238921] [] get_reserved_cluster_alloc+0xf4/0x337 [ 3844.258067] [] ext4_ext_map_blocks+0x1f9a/0x25b7 [ 3844.277005] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3844.297112] [] ? find_get_entry+0x104/0x104 [ 3844.314571] [] ? __put_compound_page+0x77/0x77 [ 3844.335693] [] ? lru_add_drain_cpu+0x310/0x31c [ 3844.353432] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3844.371348] [] ext4_map_blocks+0x815/0xef8 [ 3844.387908] [] ? ext4_issue_zeroout+0x182/0x182 [ 3844.407493] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3844.425825] [] ext4_writepages+0xab5/0x1c84 [ 3844.443998] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3844.462626] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3844.483345] [] ? wb_get+0xde/0x11f [ 3844.497313] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3844.521523] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3844.538421] [] do_writepages+0xe5/0x10c [ 3844.556570] [] ? do_writepages+0xe5/0x10c [ 3844.576792] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3844.597663] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3844.616519] [] ? replace_page_cache_page+0x235/0x235 [ 3844.641175] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3844.658865] [] filemap_flush+0x2a/0x2c [ 3844.673353] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3844.689342] [] ? ext4_release_file+0x49/0x260 [ 3844.707649] [] ext4_release_file+0x64/0x260 [ 3844.724932] [] __fput+0x38b/0x68b [ 3844.741230] [] ____fput+0x1c/0x1e [ 3844.756480] [] task_work_run+0x11e/0x140 [ 3844.775094] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3844.794893] [] syscall_return_slowpath+0x1b4/0x247 [ 3844.815751] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3844.837454] ================================================================================ [ 3844.862998] ================================================================================ [ 3844.890250] UBSAN: Undefined behaviour in fs/ext4/extents.c:3927:13 [ 3844.909127] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3844.936208] which requires 64 byte alignment [ 3844.948617] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3844.971323] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3844.996667] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf5a8 ffffffffb26ec5cc [ 3845.023063] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3845.043653] ffffffff00000010 ffff88009e9bf5d0 ffff88009e9bf580 ffffffffb363c3e0 [ 3845.064253] Call Trace: [ 3845.073129] [] dump_stack+0xd7/0x132 [ 3845.085709] [] ? arch_local_irq_restore+0x1b/0x1b [ 3845.102784] [] ubsan_epilogue+0x12/0x53 [ 3845.121395] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3845.140261] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3845.162268] [] get_reserved_cluster_alloc+0x1b6/0x337 [ 3845.184697] [] ext4_ext_map_blocks+0x1f9a/0x25b7 [ 3845.204621] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3845.229670] [] ? find_get_entry+0x104/0x104 [ 3845.261347] [] ? __put_compound_page+0x77/0x77 [ 3845.303006] [] ? lru_add_drain_cpu+0x310/0x31c [ 3845.319872] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3845.341886] [] ext4_map_blocks+0x815/0xef8 [ 3845.359003] [] ? ext4_issue_zeroout+0x182/0x182 [ 3845.381830] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3845.402437] [] ext4_writepages+0xab5/0x1c84 [ 3845.419797] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3845.438844] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3845.477787] [] ? wb_get+0xde/0x11f [ 3845.516711] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3845.573846] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3845.592787] [] do_writepages+0xe5/0x10c [ 3845.610475] [] ? do_writepages+0xe5/0x10c [ 3845.626243] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3845.647536] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3845.671083] [] ? replace_page_cache_page+0x235/0x235 [ 3845.690866] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3845.708428] [] filemap_flush+0x2a/0x2c [ 3845.727860] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3845.753918] [] ? ext4_release_file+0x49/0x260 [ 3845.772968] [] ext4_release_file+0x64/0x260 [ 3845.788692] [] __fput+0x38b/0x68b [ 3845.804413] [] ____fput+0x1c/0x1e [ 3845.816822] [] task_work_run+0x11e/0x140 [ 3845.833585] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3845.854805] [] syscall_return_slowpath+0x1b4/0x247 [ 3845.872500] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3845.892599] ================================================================================ [ 3845.919455] ================================================================================ [ 3845.944185] UBSAN: Undefined behaviour in fs/ext4/extents.c:3937:13 [ 3845.963604] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3845.989050] which requires 64 byte alignment [ 3846.000290] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3846.025186] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3846.051132] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf5a8 ffffffffb26ec5cc [ 3846.075203] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3846.097410] ffffffff00000010 ffff88009e9bf5d0 ffff88009e9bf580 ffffffffb363c3e0 [ 3846.117122] Call Trace: [ 3846.124638] [] dump_stack+0xd7/0x132 [ 3846.142544] [] ? arch_local_irq_restore+0x1b/0x1b [ 3846.160213] [] ubsan_epilogue+0x12/0x53 [ 3846.178908] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3846.197904] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3846.223630] [] get_reserved_cluster_alloc+0x226/0x337 [ 3846.246783] [] ext4_ext_map_blocks+0x1f9a/0x25b7 [ 3846.264330] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3846.285832] [] ? find_get_entry+0x104/0x104 [ 3846.304242] [] ? __put_compound_page+0x77/0x77 [ 3846.322377] [] ? lru_add_drain_cpu+0x310/0x31c [ 3846.339469] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3846.358702] [] ext4_map_blocks+0x815/0xef8 [ 3846.375724] [] ? ext4_issue_zeroout+0x182/0x182 [ 3846.395509] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3846.415084] [] ext4_writepages+0xab5/0x1c84 [ 3846.435249] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3846.455653] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3846.476340] [] ? wb_get+0xde/0x11f [ 3846.490484] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3846.511203] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3846.529348] [] do_writepages+0xe5/0x10c [ 3846.546710] [] ? do_writepages+0xe5/0x10c [ 3846.565188] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3846.586836] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3846.605760] [] ? replace_page_cache_page+0x235/0x235 [ 3846.623690] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3846.642337] [] filemap_flush+0x2a/0x2c [ 3846.659082] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3846.677088] [] ? ext4_release_file+0x49/0x260 [ 3846.696159] [] ext4_release_file+0x64/0x260 [ 3846.714741] [] __fput+0x38b/0x68b [ 3846.731114] [] ____fput+0x1c/0x1e [ 3846.747875] [] task_work_run+0x11e/0x140 [ 3846.763868] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3846.782704] [] syscall_return_slowpath+0x1b4/0x247 [ 3846.804461] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3846.822512] ================================================================================ [ 3846.847463] ================================================================================ [ 3846.874853] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3846.891267] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3846.917751] which requires 64 byte alignment [ 3846.931235] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3846.952852] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3846.980844] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf5a0 ffffffffb26ec5cc [ 3847.002441] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3847.025544] ffffed0000000010 ffff88009e9bf5c8 ffff88009e9bf578 ffffffffb363c3e0 [ 3847.046052] Call Trace: [ 3847.055182] [] dump_stack+0xd7/0x132 [ 3847.071446] [] ? arch_local_irq_restore+0x1b/0x1b [ 3847.090504] [] ubsan_epilogue+0x12/0x53 [ 3847.107521] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3847.128845] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3847.147912] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3847.172176] [] ext4_da_update_reserve_space+0x6b/0x4df [ 3847.193639] [] ? get_reserved_cluster_alloc+0x325/0x337 [ 3847.213857] [] ext4_ext_map_blocks+0x21b1/0x25b7 [ 3847.234098] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3847.249745] [] ? find_get_entry+0x104/0x104 [ 3847.265461] [] ? __put_compound_page+0x77/0x77 [ 3847.283798] [] ? lru_add_drain_cpu+0x310/0x31c [ 3847.304257] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3847.324364] [] ext4_map_blocks+0x815/0xef8 [ 3847.344178] [] ? ext4_issue_zeroout+0x182/0x182 [ 3847.362717] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3847.385048] [] ext4_writepages+0xab5/0x1c84 [ 3847.403666] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3847.428864] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3847.452688] [] ? wb_get+0xde/0x11f [ 3847.465222] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3847.488761] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3847.505733] [] do_writepages+0xe5/0x10c [ 3847.518018] [] ? do_writepages+0xe5/0x10c [ 3847.535491] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3847.558901] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3847.576804] [] ? replace_page_cache_page+0x235/0x235 [ 3847.597897] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3847.616642] [] filemap_flush+0x2a/0x2c [ 3847.633544] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3847.653605] [] ? ext4_release_file+0x49/0x260 [ 3847.672793] [] ext4_release_file+0x64/0x260 [ 3847.689838] [] __fput+0x38b/0x68b [ 3847.704991] [] ____fput+0x1c/0x1e [ 3847.719051] [] task_work_run+0x11e/0x140 [ 3847.733362] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3847.754047] [] syscall_return_slowpath+0x1b4/0x247 [ 3847.773771] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3847.792210] ================================================================================ [ 3847.814567] ================================================================================ [ 3847.839669] UBSAN: Undefined behaviour in fs/ext4/inode.c:354:28 [ 3847.858718] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3847.884723] which requires 64 byte alignment [ 3847.897957] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3847.923692] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3847.954601] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf5a0 ffffffffb26ec5cc [ 3847.977527] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3847.996277] ffff880000000010 ffff88009e9bf5c8 ffff88009e9bf578 ffffffffb363c3e0 [ 3848.020483] Call Trace: [ 3848.028529] [] dump_stack+0xd7/0x132 [ 3848.043402] [] ? arch_local_irq_restore+0x1b/0x1b [ 3848.063645] [] ubsan_epilogue+0x12/0x53 [ 3848.079677] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3848.098792] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3848.123211] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3848.146063] [] ext4_da_update_reserve_space+0x2b0/0x4df [ 3848.166640] [] ext4_ext_map_blocks+0x21b1/0x25b7 [ 3848.184955] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3848.205671] [] ? find_get_entry+0x104/0x104 [ 3848.226757] [] ? __put_compound_page+0x77/0x77 [ 3848.247266] [] ? lru_add_drain_cpu+0x310/0x31c [ 3848.266435] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3848.289302] [] ext4_map_blocks+0x815/0xef8 [ 3848.308469] [] ? ext4_issue_zeroout+0x182/0x182 [ 3848.327793] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3848.345841] [] ext4_writepages+0xab5/0x1c84 [ 3848.363447] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3848.384398] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3848.406005] [] ? wb_get+0xde/0x11f [ 3848.421897] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3848.443028] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3848.464849] [] do_writepages+0xe5/0x10c [ 3848.480303] [] ? do_writepages+0xe5/0x10c [ 3848.495818] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3848.515784] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3848.538245] [] ? replace_page_cache_page+0x235/0x235 [ 3848.557671] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3848.573535] [] filemap_flush+0x2a/0x2c [ 3848.592504] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3848.610899] [] ? ext4_release_file+0x49/0x260 [ 3848.629039] [] ext4_release_file+0x64/0x260 [ 3848.647457] [] __fput+0x38b/0x68b [ 3848.662305] [] ____fput+0x1c/0x1e [ 3848.677618] [] task_work_run+0x11e/0x140 [ 3848.695547] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3848.714557] [] syscall_return_slowpath+0x1b4/0x247 [ 3848.732721] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3848.751132] ================================================================================ [ 3848.775538] ================================================================================ [ 3848.798836] UBSAN: Undefined behaviour in fs/ext4/inode.c:2363:24 [ 3848.816381] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3848.847269] which requires 64 byte alignment [ 3848.860456] CPU: 1 PID: 1189 Comm: logsave Tainted: G L 4.8.11 #1 [ 3848.884663] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3848.912321] 00000000ffffffff 000000001f43b5f3 ffff88009e9bf968 ffffffffb26ec5cc [ 3848.936156] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3848.960274] ffff880000000010 ffff88009e9bf990 ffff88009e9bf940 ffffffffb363c3e0 [ 3848.981898] Call Trace: [ 3848.990842] [] dump_stack+0xd7/0x132 [ 3849.005347] [] ? arch_local_irq_restore+0x1b/0x1b [ 3849.026236] [] ubsan_epilogue+0x12/0x53 [ 3849.045731] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3849.065622] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3849.089973] [] ext4_writepages+0xf40/0x1c84 [ 3849.107381] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3849.129304] [] ? __generic_file_write_iter+0x3fd/0x40f [ 3849.152382] [] ? wb_get+0xde/0x11f [ 3849.167744] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 3849.191109] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3849.212135] [] do_writepages+0xe5/0x10c [ 3849.232240] [] ? do_writepages+0xe5/0x10c [ 3849.252168] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 3849.275000] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 3849.296045] [] ? replace_page_cache_page+0x235/0x235 [ 3849.316710] [] ? ext4_file_write_iter+0xd10/0xd10 [ 3849.338279] [] filemap_flush+0x2a/0x2c [ 3849.355480] [] ext4_alloc_da_blocks+0xf4/0x187 [ 3849.373650] [] ? ext4_release_file+0x49/0x260 [ 3849.391448] [] ext4_release_file+0x64/0x260 [ 3849.409281] [] __fput+0x38b/0x68b [ 3849.424040] [] ____fput+0x1c/0x1e [ 3849.440821] [] task_work_run+0x11e/0x140 [ 3849.457128] [] prepare_exit_to_usermode+0x177/0x1d9 [ 3849.475183] [] syscall_return_slowpath+0x1b4/0x247 [ 3849.494015] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 3849.513398] ================================================================================ [?25l[?1c7[ ok 8[?25h[?0cdone. [....] Mounting local filesystems...[ 3851.240653] ================================================================================ [ 3851.267120] UBSAN: Undefined behaviour in fs/debugfs/inode.c:143:26 [ 3851.289281] member access within misaligned address ffff88005d030960 for type 'struct super_block' [ 3851.321485] which requires 64 byte alignment [ 3851.336497] CPU: 1 PID: 1253 Comm: mount Tainted: G L 4.8.11 #1 [ 3851.363075] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3851.393625] 00000000ffffffff 00000000f47d650c ffff88005bf9fb60 ffffffffb26ec5cc [ 3851.419252] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3851.446195] ffffffff00000010 ffff88005bf9fb88 ffff88005bf9fb38 ffffffffb363c3e0 [ 3851.472999] Call Trace: [ 3851.481188] [] dump_stack+0xd7/0x132 [ 3851.498770] [] ? arch_local_irq_restore+0x1b/0x1b [ 3851.522681] [] ubsan_epilogue+0x12/0x53 [ 3851.538855] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3851.559523] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3851.584856] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3851.610384] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3851.635004] [] ? debugfs_parse_options+0x3ae/0x3ae [ 3851.656988] [] debugfs_remount+0x32/0x7b [ 3851.677087] [] do_remount_sb+0x2fd/0x50c [ 3851.695477] [] ? start_creating+0x1d2/0x1d2 [ 3851.712375] [] mount_single+0x124/0x176 [ 3851.732184] [] debug_mount+0x33/0x38 [ 3851.749778] [] mount_fs+0xd0/0x2ca [ 3851.765000] [] vfs_kern_mount+0xa0/0x20a [ 3851.781496] [] do_mount+0x11fe/0x19df [ 3851.801157] [] ? kasan_kmalloc+0x94/0xa3 [ 3851.818211] [] ? copy_mount_string+0x3d/0x3d [ 3851.838497] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3851.861368] [] ? __check_object_size+0x1e1/0x2b8 [ 3851.881241] [] ? 0xffffffffb1c002b8 [ 3851.898455] [] ? copy_mount_options+0x23d/0x24d [ 3851.923559] [] SyS_mount+0xa3/0xda [ 3851.942590] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3851.962625] ================================================================================ [?25l[?1c7[ ok 8[?25h[?0cdone. [....] Activating swapfile swap...[?25l[?1c7[ ok 8[?25h[?0cdone. [ 3856.276907] ================================================================================ [ 3856.303789] UBSAN: Undefined behaviour in fs/debugfs/inode.c:158:26 [ 3856.324111] member access within misaligned address ffff88005d030960 for type 'struct super_block' [ 3856.353318] which requires 64 byte alignment [ 3856.368542] CPU: 3 PID: 1382 Comm: df Tainted: G L 4.8.11 #1 [ 3856.388168] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3856.418170] 00000000ffffffff 00000000fd7e998e ffff88005c207b08 ffffffffb26ec5cc [ 3856.446509] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3856.470562] ffffffff00000010 ffff88005c207b30 ffff88005c207ae0 ffffffffb363c3e0 [ 3856.496730] Call Trace: [ 3856.502585] [] dump_stack+0xd7/0x132 [ 3856.518540] [] ? arch_local_irq_restore+0x1b/0x1b [ 3856.544209] [] ubsan_epilogue+0x12/0x53 [ 3856.559881] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3856.582293] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3856.607032] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3856.630365] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3856.651926] [] ? debugfs_automount+0xdb/0xdb [ 3856.668621] [] debugfs_show_options+0x58/0x15a [ 3856.693525] [] show_vfsmnt+0x374/0x3cf [ 3856.711074] [] ? show_mountinfo+0x846/0x846 [ 3856.731832] [] m_show+0x75/0x7c [ 3856.747545] [] seq_read+0xcc1/0x11ae [ 3856.763672] [] ? seq_hlist_start_percpu+0x228/0x228 [ 3856.784530] [] ? seq_hlist_start_percpu+0x228/0x228 [ 3856.804992] [] __vfs_read+0xc2/0x145 [ 3856.819025] [] vfs_read+0x12a/0x209 [ 3856.835900] [] SyS_read+0xec/0x174 [ 3856.854086] [] ? vfs_copy_file_range+0x485/0x485 [ 3856.876221] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3856.899420] ================================================================================ [....] Cleaning up temporary files...[?25l[?1c7[ ok 8[?25h[?0c. [....] Setting kernel variables ...[ 3858.425000] ================================================================================ [ 3858.450686] UBSAN: Undefined behaviour in fs/proc/proc_sysctl.c:759:12 [ 3858.471946] member access within misaligned address ffff88005d033818 for type 'struct super_block' [ 3858.503604] which requires 64 byte alignment [ 3858.519841] CPU: 2 PID: 1425 Comm: sysctl Tainted: G L 4.8.11 #1 [ 3858.545590] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3858.575285] 00000000ffffffff 000000009afd4f2a ffff8800a1a0f870 ffffffffb26ec5cc [ 3858.601125] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3858.625518] ffff880000000010 ffff8800a1a0f898 ffff8800a1a0f848 ffffffffb363c3e0 [ 3858.650818] Call Trace: [ 3858.659568] [] dump_stack+0xd7/0x132 [ 3858.677387] [] ? arch_local_irq_restore+0x1b/0x1b [ 3858.701436] [] ubsan_epilogue+0x12/0x53 [ 3858.723057] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3858.746695] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3858.769682] [] ? test_perm+0xa9/0xa9 [ 3858.789565] [] proc_sys_setattr+0xb6/0x145 [ 3858.811065] [] notify_change+0xa68/0xc5b [ 3858.831754] [] do_truncate+0x165/0x1e5 [ 3858.854212] [] ? do_truncate+0x165/0x1e5 [ 3858.874950] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [ 3858.898667] [] path_openat+0x222a/0x2525 [ 3858.915149] [] ? qlink_to_cache+0x22/0x87 [ 3858.933010] [] ? may_open+0x1c0/0x1c0 [ 3858.951633] [] ? deactivate_slab+0x53d/0x566 [ 3858.969488] [] ? getname_flags+0x4f/0x2e0 [ 3858.991766] [] ? init_object+0x1d6/0x1e2 [ 3859.010384] [] ? expand_files+0x68a/0x6d7 [ 3859.029495] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3859.054491] [] do_filp_open+0xe2/0x18c [ 3859.069480] [] ? path_openat+0x2525/0x2525 [ 3859.091936] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 3859.114136] [] ? __alloc_fd+0x43d/0x47f [ 3859.130221] [] ? exit_files+0xaa/0xaa [ 3859.148286] [] do_sys_open+0xf5/0x342 [ 3859.166365] [] ? do_sys_open+0xf5/0x342 [ 3859.182935] [] ? filp_open+0x68/0x68 [ 3859.202649] [] SyS_open+0x32/0x39 [ 3859.216912] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3859.237237] ================================================================================ [?25l[?1c7[ ok 8[?25h[?0cdone. [....] Configuring network interfaces...[ 3860.873673] ================================================================================ [ 3860.903924] UBSAN: Undefined behaviour in ./include/linux/fs.h:2168:9 [ 3860.923556] member access within misaligned address ffff8800a2fa1c10 for type 'struct super_block' [ 3860.950997] which requires 64 byte alignment [ 3860.964977] CPU: 3 PID: 1458 Comm: ifup Tainted: G L 4.8.11 #1 [ 3860.983906] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3861.016400] 00000000ffffffff 00000000f74a84ca ffff8800a003fcd0 ffffffffb26ec5cc [ 3861.036108] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3861.060496] ffff880000000010 ffff8800a003fcf8 ffff8800a003fca8 ffffffffb363c3e0 [ 3861.085751] Call Trace: [ 3861.095610] [] dump_stack+0xd7/0x132 [ 3861.112258] [] ? arch_local_irq_restore+0x1b/0x1b [ 3861.132529] [] ubsan_epilogue+0x12/0x53 [ 3861.150284] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3861.170198] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3861.196455] [] ? lease_break_callback+0x2d/0x2d [ 3861.215127] [] ? __fd_install+0x318/0x365 [ 3861.232497] [] fcntl_setlk+0x161/0x9b0 [ 3861.251591] [] ? fcntl_getlk+0x324/0x324 [ 3861.270733] [] ? slab_free_freelist_hook+0x129/0x134 [ 3861.290812] [] ? kmem_cache_free+0x4b/0x2b3 [ 3861.310754] [] ? security_file_fcntl+0xa5/0xb4 [ 3861.330485] [] SyS_fcntl+0x2f7/0x6f1 [ 3861.347108] [] ? filp_open+0x68/0x68 [ 3861.363077] [] ? f_getown+0xb8/0xb8 [ 3861.379312] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3861.400550] ================================================================================ [ 3861.428532] ================================================================================ [ 3861.452997] UBSAN: Undefined behaviour in ./include/linux/fs.h:2168:9 [ 3861.472996] member access within misaligned address ffff8800a2fa1c10 for type 'struct super_block' [ 3861.500323] which requires 64 byte alignment [ 3861.514131] CPU: 3 PID: 1458 Comm: ifup Tainted: G L 4.8.11 #1 [ 3861.535076] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3861.566641] 00000000ffffffff 00000000f74a84ca ffff8800a003fd60 ffffffffb26ec5cc [ 3861.592057] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3861.617632] 0000000000000010 ffff8800a003fd88 ffff8800a003fd38 ffffffffb363c3e0 [ 3861.645081] Call Trace: [ 3861.651847] [] dump_stack+0xd7/0x132 [ 3861.671298] [] ? arch_local_irq_restore+0x1b/0x1b [ 3861.693767] [] ubsan_epilogue+0x12/0x53 [ 3861.708854] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3861.731158] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3861.753107] [] rw_verify_area+0x1e0/0x259 [ 3861.770160] [] vfs_read+0xfa/0x209 [ 3861.787306] [] SyS_read+0xec/0x174 [ 3861.803535] [] ? vfs_copy_file_range+0x485/0x485 [ 3861.822527] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3861.842802] ================================================================================ [ 3862.048954] ================================================================================ [ 3862.072669] UBSAN: Undefined behaviour in net/core/rtnetlink.c:2673:2 [ 3862.092258] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3862.121153] which requires 64 byte alignment [ 3862.133861] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3862.153361] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3862.179949] 00000000ffffffff 00000000f797e7aa ffff88005a45f6a0 ffffffffb26ec5cc [ 3862.204137] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3862.225258] ffffffff00000010 ffff88005a45f6c8 ffff88005a45f678 ffffffffb363c3e0 [ 3862.251185] Call Trace: [ 3862.257885] [] dump_stack+0xd7/0x132 [ 3862.274098] [] ? arch_local_irq_restore+0x1b/0x1b [ 3862.298533] [] ubsan_epilogue+0x12/0x53 [ 3862.314665] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3862.334752] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3862.359809] [] ? if_nlmsg_size+0x73f/0x756 [ 3862.379777] [] rtnl_calcit+0x229/0x287 [ 3862.397420] [] ? if_nlmsg_size+0x756/0x756 [ 3862.414850] [] rtnetlink_rcv_msg+0x473/0x664 [ 3862.431619] [] ? rtnl_fill_ifinfo+0x251b/0x251b [ 3862.447900] [] ? if_nlmsg_size+0x756/0x756 [ 3862.464403] [] ? rtnl_newlink+0x1165/0x1165 [ 3862.481997] [] ? mutex_set_owner+0x8e/0xc6 [ 3862.501579] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3862.521416] [] ? rtnl_newlink+0x1165/0x1165 [ 3862.539317] [] netlink_rcv_skb+0x173/0x25b [ 3862.555778] [] rtnetlink_rcv+0x28/0x2f [ 3862.574090] [] netlink_unicast+0x3fc/0x503 [ 3862.589772] [] ? netlink_sendskb+0x35/0x35 [ 3862.608122] [] netlink_sendmsg+0x860/0x877 [ 3862.625253] [] ? netlink_unicast+0x503/0x503 [ 3862.641713] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3862.660898] [] ? netlink_unicast+0x503/0x503 [ 3862.681503] [] sock_sendmsg+0xe9/0x116 [ 3862.700609] [] ? SYSC_sendto+0x208/0x2df [ 3862.717635] [] SYSC_sendto+0x235/0x2df [ 3862.733573] [] ? SYSC_connect+0x267/0x267 [ 3862.751374] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3862.771874] [] ? __fget_light+0xe6/0xf0 [ 3862.786833] [] ? __do_page_fault+0x6d3/0x96b [ 3862.806193] [] SyS_sendto+0x47/0x49 [ 3862.822729] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3862.844161] ================================================================================ [ 3862.868983] ================================================================================ [ 3862.899513] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1579:3 [ 3862.918494] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3862.945680] which requires 64 byte alignment [ 3862.956968] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3862.979075] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3863.006201] 00000000ffffffff 00000000f797e7aa ffff88005a45f518 ffffffffb26ec5cc [ 3863.030308] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3863.052389] 0000000000000010 ffff88005a45f540 ffff88005a45f4f0 ffffffffb363c3e0 [ 3863.073663] Call Trace: [ 3863.082721] [] dump_stack+0xd7/0x132 [ 3863.099524] [] ? arch_local_irq_restore+0x1b/0x1b [ 3863.117421] [] ubsan_epilogue+0x12/0x53 [ 3863.134636] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3863.155076] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3863.176808] [] rtnl_dump_ifinfo+0x58e/0x9ce [ 3863.196061] [] ? rtnl_fill_ifinfo+0x251b/0x251b [ 3863.215793] [] ? kasan_poison_shadow+0x2f/0x31 [ 3863.233326] [] ? kasan_unpoison_shadow+0x14/0x35 [ 3863.253282] [] ? kasan_poison_shadow+0x2f/0x31 [ 3863.271884] [] ? kasan_kmalloc_large+0x83/0x8c [ 3863.290529] [] ? mutex_set_owner+0x8e/0xc6 [ 3863.305549] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3863.324302] [] ? mutex_set_owner+0x8e/0xc6 [ 3863.342930] [] netlink_dump+0x3a1/0x8ae [ 3863.360574] [] __netlink_dump_start+0x505/0x58a [ 3863.379060] [] rtnetlink_rcv_msg+0x4dc/0x664 [ 3863.397000] [] ? rtnl_fill_ifinfo+0x251b/0x251b [ 3863.416118] [] ? if_nlmsg_size+0x756/0x756 [ 3863.430711] [] ? rtnl_newlink+0x1165/0x1165 [ 3863.446738] [] ? rtnl_fill_ifinfo+0x251b/0x251b [ 3863.463847] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3863.484942] [] ? rtnl_newlink+0x1165/0x1165 [ 3863.503910] [] netlink_rcv_skb+0x173/0x25b [ 3863.522832] [] rtnetlink_rcv+0x28/0x2f [ 3863.536453] [] netlink_unicast+0x3fc/0x503 [ 3863.554386] [] ? netlink_sendskb+0x35/0x35 [ 3863.570741] [] netlink_sendmsg+0x860/0x877 [ 3863.586482] [] ? netlink_unicast+0x503/0x503 [ 3863.605612] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3863.624403] [] ? netlink_unicast+0x503/0x503 [ 3863.643861] [] sock_sendmsg+0xe9/0x116 [ 3863.661807] [] ? SYSC_sendto+0x208/0x2df [ 3863.677948] [] SYSC_sendto+0x235/0x2df [ 3863.692094] [] ? SYSC_connect+0x267/0x267 [ 3863.711267] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3863.733924] [] ? __fget_light+0xe6/0xf0 [ 3863.750645] [] ? __do_page_fault+0x6d3/0x96b [ 3863.769810] [] SyS_sendto+0x47/0x49 [ 3863.784955] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3863.805391] ================================================================================ [ 3863.829915] ================================================================================ [ 3863.855905] UBSAN: Undefined behaviour in net/core/dev.c:808:10 [ 3863.873562] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3863.902327] which requires 64 byte alignment [ 3863.918490] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3863.936541] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3863.964673] 00000000ffffffff 00000000f797e7aa ffff88005a45f3b8 ffffffffb26ec5cc [ 3863.986190] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3864.011618] ffffffff00000010 ffff88005a45f3e0 ffff88005a45f390 ffffffffb363c3e0 [ 3864.033736] Call Trace: [ 3864.040758] [] dump_stack+0xd7/0x132 [ 3864.056461] [] ? arch_local_irq_restore+0x1b/0x1b [ 3864.077312] [] ubsan_epilogue+0x12/0x53 [ 3864.095158] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3864.116714] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3864.135693] [] ? is_ftrace_trampoline+0x146/0x153 [ 3864.154556] [] ? rtnl_link_unregister+0x20d/0x20d [ 3864.175875] [] __dev_get_by_index+0xac/0x116 [ 3864.193664] [] ? rtnl_link_unregister+0x20d/0x20d [ 3864.214979] [] rtnl_newlink+0x276/0x1165 [ 3864.230727] [] ? rtnl_link_unregister+0x20d/0x20d [ 3864.249031] [] ? save_stack+0xc4/0xce [ 3864.266460] [] ? save_stack_trace+0x31/0xf1 [ 3864.284492] [] ? save_stack+0x46/0xce [ 3864.302545] [] ? security_capable+0xaa/0xb9 [ 3864.319319] [] ? ns_capable_common+0x149/0x153 [ 3864.338994] [] ? __netlink_ns_capable+0xf3/0xff [ 3864.356562] [] ? rtnl_link_unregister+0x20d/0x20d [ 3864.376562] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3864.397057] [] ? rtnl_newlink+0x1165/0x1165 [ 3864.416229] [] ? mutex_set_owner+0x8e/0xc6 [ 3864.432802] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3864.453417] [] ? rtnl_newlink+0x1165/0x1165 [ 3864.470027] [] netlink_rcv_skb+0x173/0x25b [ 3864.485661] [] rtnetlink_rcv+0x28/0x2f [ 3864.503567] [] netlink_unicast+0x3fc/0x503 [ 3864.520653] [] ? netlink_sendskb+0x35/0x35 [ 3864.538025] [] netlink_sendmsg+0x860/0x877 [ 3864.556101] [] ? netlink_unicast+0x503/0x503 [ 3864.573203] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3864.591106] [] ? netlink_unicast+0x503/0x503 [ 3864.610545] [] sock_sendmsg+0xe9/0x116 [ 3864.625018] [] ? ___sys_sendmsg+0x40c/0x789 [ 3864.641214] [] ___sys_sendmsg+0x5de/0x789 [ 3864.659472] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3864.680386] [] ? vm_normal_page+0x1aa/0x1aa [ 3864.697412] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3864.720729] [] ? compound_head+0x4e/0x56 [ 3864.734515] [] ? handle_mm_fault+0x1e11/0x2102 [ 3864.754132] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3864.772516] [] ? __fget_light+0xe6/0xf0 [ 3864.788594] [] __sys_sendmsg+0xdd/0x167 [ 3864.806143] [] ? __sys_sendmsg+0xdd/0x167 [ 3864.825288] [] ? SyS_shutdown+0x29/0x29 [ 3864.841031] [] SyS_sendmsg+0x3a/0x4f [ 3864.855765] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3864.876428] ================================================================================ [ 3864.904283] ================================================================================ [ 3864.929687] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1848:31 [ 3864.950192] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3864.974756] which requires 64 byte alignment [ 3864.995089] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3865.028694] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3865.084769] 00000000ffffffff 00000000f797e7aa ffff88005a45f0c8 ffffffffb26ec5cc [ 3865.128471] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3865.180273] ffff880000000010 ffff88005a45f0f0 ffff88005a45f0a0 ffffffffb363c3e0 [ 3865.229588] Call Trace: [ 3865.251948] [] dump_stack+0xd7/0x132 [ 3865.274053] [] ? arch_local_irq_restore+0x1b/0x1b [ 3865.313516] [] ubsan_epilogue+0x12/0x53 [ 3865.348857] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3865.384625] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3865.430504] [] do_setlink+0xf5/0x2647 [ 3865.457125] [] ? univ8250_console_setup+0x15a/0x15a [ 3865.504476] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3865.547366] [] ? console_unlock+0x6a9/0x6b8 [ 3865.583528] [] ? vprintk_emit+0x636/0x647 [ 3865.621272] [] ? vprintk_default+0x65/0x6e [ 3865.650388] [] ? ubsan_epilogue+0x26/0x53 [ 3865.687218] [] ? arch_local_irq_restore+0x6/0xd [ 3865.722793] [] ? validate_linkmsg+0x462/0x4a0 [ 3865.763588] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3865.802400] [] rtnl_newlink+0x98a/0x1165 [ 3865.836714] [] ? rtnl_newlink+0x4db/0x1165 [ 3865.873401] [] ? rtnl_newlink+0x457/0x1165 [ 3865.906466] [] ? rtnl_link_unregister+0x20d/0x20d [ 3865.951600] [] ? save_stack+0xc4/0xce [ 3865.982953] [] ? save_stack_trace+0x31/0xf1 [ 3866.036678] [] ? save_stack+0x46/0xce [ 3866.076510] [] ? security_capable+0xaa/0xb9 [ 3866.125193] [] ? ns_capable_common+0x149/0x153 [ 3866.170958] [] ? __netlink_ns_capable+0xf3/0xff [ 3866.208037] [] ? rtnl_link_unregister+0x20d/0x20d [ 3866.249727] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3866.288360] [] ? rtnl_newlink+0x1165/0x1165 [ 3866.322374] [] ? mutex_set_owner+0x8e/0xc6 [ 3866.350941] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3866.401661] [] ? rtnl_newlink+0x1165/0x1165 [ 3866.438557] [] netlink_rcv_skb+0x173/0x25b [ 3866.475899] [] rtnetlink_rcv+0x28/0x2f [ 3866.519532] [] netlink_unicast+0x3fc/0x503 [ 3866.563366] [] ? netlink_sendskb+0x35/0x35 [ 3866.602344] [] netlink_sendmsg+0x860/0x877 [ 3866.641996] [] ? netlink_unicast+0x503/0x503 [ 3866.675372] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3866.724697] [] ? netlink_unicast+0x503/0x503 [ 3866.766879] [] sock_sendmsg+0xe9/0x116 [ 3866.803084] [] ? ___sys_sendmsg+0x40c/0x789 [ 3866.843611] [] ___sys_sendmsg+0x5de/0x789 [ 3866.877264] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3866.922126] [] ? vm_normal_page+0x1aa/0x1aa [ 3866.951309] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3867.002569] [] ? compound_head+0x4e/0x56 [ 3867.033600] [] ? handle_mm_fault+0x1e11/0x2102 [ 3867.076579] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3867.116635] [] ? __fget_light+0xe6/0xf0 [ 3867.149483] [] __sys_sendmsg+0xdd/0x167 [ 3867.183192] [] ? __sys_sendmsg+0xdd/0x167 [ 3867.219591] [] ? SyS_shutdown+0x29/0x29 [ 3867.250884] [] SyS_sendmsg+0x3a/0x4f [ 3867.281277] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3867.322040] ================================================================================ [ 3867.380510] ================================================================================ [ 3867.434854] UBSAN: Undefined behaviour in net/core/rtnetlink.c:782:13 [ 3867.472036] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 3867.534035] which requires 64 byte alignment [ 3867.563515] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3867.600990] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3867.664950] 00000000ffffffff 00000000f797e7aa ffff88005a45f0c8 ffffffffb26ec5cc [ 3867.714364] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3867.756819] ffffffff00000010 ffff88005a45f0f0 ffff88005a45f0a0 ffffffffb363c3e0 [ 3867.804733] Call Trace: [ 3867.822065] [] dump_stack+0xd7/0x132 [ 3867.847490] [] ? arch_local_irq_restore+0x1b/0x1b [ 3867.900505] [] ubsan_epilogue+0x12/0x53 [ 3867.937490] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3867.979996] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3868.021013] [] do_setlink+0xa7c/0x2647 [ 3868.052724] [] ? univ8250_console_setup+0x15a/0x15a [ 3868.087445] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3868.132925] [] ? console_unlock+0x6a9/0x6b8 [ 3868.171109] [] ? vprintk_emit+0x636/0x647 [ 3868.214671] [] ? vprintk_default+0x65/0x6e [ 3868.253359] [] ? ubsan_epilogue+0x26/0x53 [ 3868.288036] [] ? arch_local_irq_restore+0x6/0xd [ 3868.325296] [] ? validate_linkmsg+0x462/0x4a0 [ 3868.366145] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3868.408133] [] rtnl_newlink+0x98a/0x1165 [ 3868.437162] [] ? rtnl_newlink+0x4db/0x1165 [ 3868.481212] [] ? rtnl_newlink+0x457/0x1165 [ 3868.512336] [] ? rtnl_link_unregister+0x20d/0x20d [ 3868.557705] [] ? save_stack+0xc4/0xce [ 3868.591895] [] ? save_stack_trace+0x31/0xf1 [ 3868.641400] [] ? save_stack+0x46/0xce [ 3868.676824] [] ? security_capable+0xaa/0xb9 [ 3868.716636] [] ? ns_capable_common+0x149/0x153 [ 3868.759757] [] ? __netlink_ns_capable+0xf3/0xff [ 3868.799401] [] ? rtnl_link_unregister+0x20d/0x20d [ 3868.837357] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3868.872480] [] ? rtnl_newlink+0x1165/0x1165 [ 3868.921513] [] ? mutex_set_owner+0x8e/0xc6 [ 3868.956398] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3868.998324] [] ? rtnl_newlink+0x1165/0x1165 [ 3869.033714] [] netlink_rcv_skb+0x173/0x25b [ 3869.066278] [] rtnetlink_rcv+0x28/0x2f [ 3869.105169] [] netlink_unicast+0x3fc/0x503 [ 3869.139106] [] ? netlink_sendskb+0x35/0x35 [ 3869.173977] [] netlink_sendmsg+0x860/0x877 [ 3869.217427] [] ? netlink_unicast+0x503/0x503 [ 3869.251605] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3869.297538] [] ? netlink_unicast+0x503/0x503 [ 3869.338439] [] sock_sendmsg+0xe9/0x116 [ 3869.375218] [] ? ___sys_sendmsg+0x40c/0x789 [ 3869.405815] [] ___sys_sendmsg+0x5de/0x789 [ 3869.442824] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3869.490460] [] ? vm_normal_page+0x1aa/0x1aa [ 3869.526438] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3869.572403] [] ? compound_head+0x4e/0x56 [ 3869.606867] [] ? handle_mm_fault+0x1e11/0x2102 [ 3869.646230] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3869.690143] [] ? __fget_light+0xe6/0xf0 [ 3869.728993] [] __sys_sendmsg+0xdd/0x167 [ 3869.764235] [] ? __sys_sendmsg+0xdd/0x167 [ 3869.802475] [] ? SyS_shutdown+0x29/0x29 [ 3869.838477] [] SyS_sendmsg+0x3a/0x4f [ 3869.874924] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3869.913138] ================================================================================ [ 3869.967655] ================================================================================ [ 3870.024102] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2212:27 [ 3870.067240] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3870.124536] which requires 64 byte alignment [ 3870.144410] CPU: 3 PID: 296 Comm: kworker/u10:1 Tainted: G L 4.8.11 #1 [ 3870.198352] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3870.256552] Workqueue: writeback wb_workfn (flush-8:0) [ 3870.284858] 00000000ffffffff 00000000dfa0c633 ffff8800a2f8f000 ffffffffb26ec5cc [ 3870.333388] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3870.388062] ffff880000000010 ffff8800a2f8f028 ffff8800a2f8efd8 ffffffffb363c3e0 [ 3870.442196] Call Trace: [ 3870.453543] [] dump_stack+0xd7/0x132 [ 3870.487678] [] ? arch_local_irq_restore+0x1b/0x1b [ 3870.553329] [] ubsan_epilogue+0x12/0x53 [ 3870.594967] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3870.641141] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3870.687065] [] ? ext4_mb_good_group+0x443/0x453 [ 3870.716784] [] ext4_mb_regular_allocator+0x74e/0xa37 [ 3870.763676] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3870.815047] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3870.866770] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3870.904119] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3870.955128] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3871.000487] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3871.040139] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3871.086132] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3871.126305] [] ? find_get_entry+0x104/0x104 [ 3871.164404] [] ? __put_compound_page+0x77/0x77 [ 3871.197170] [] ? lru_add_drain_cpu+0x310/0x31c [ 3871.240948] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3871.296604] [] ext4_map_blocks+0x815/0xef8 [ 3871.329590] [] ? ext4_issue_zeroout+0x182/0x182 [ 3871.378485] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3871.422692] [] ext4_writepages+0xab5/0x1c84 [ 3871.451658] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3871.507612] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3871.544940] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3871.600176] [] ? ext4_write_inode+0x1cb/0x3ec [ 3871.635152] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3871.674077] [] do_writepages+0xe5/0x10c [ 3871.705428] [] ? do_writepages+0xe5/0x10c [ 3871.740319] [] ? __writeback_single_inode+0xa1/0x8d6 [ 3871.790809] [] __writeback_single_inode+0x11b/0x8d6 [ 3871.832146] [] writeback_sb_inodes+0x623/0xc39 [ 3871.865314] [] ? wbc_detach_inode+0x521/0x521 [ 3871.905278] [] ? queue_io+0x323/0x3e9 [ 3871.943501] [] __writeback_inodes_wb+0x10a/0x1aa [ 3871.973721] [] wb_writeback+0x400/0x7d0 [ 3872.015484] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 3872.056947] [] ? get_nr_inodes_unused+0x105/0x11c [ 3872.095513] [] wb_workfn+0x42f/0x936 [ 3872.132192] [] ? wb_workfn+0x42f/0x936 [ 3872.161665] [] ? inode_wait_for_writeback+0x39/0x39 [ 3872.215601] [] ? wq_nice_show+0xab/0xab [ 3872.254338] [] process_one_work+0x54a/0x88e [ 3872.288093] [] ? create_worker+0x528/0x528 [ 3872.331373] [] ? worker_clr_flags+0x187/0x193 [ 3872.365220] [] worker_thread+0x67c/0x857 [ 3872.403478] [] kthread+0x1f7/0x20b [ 3872.435560] [] ? rescuer_thread+0x91f/0x91f [ 3872.468468] [] ? init_completion+0x48/0x48 [ 3872.504150] [] ret_from_fork+0x1f/0x40 [ 3872.539602] [] ? init_completion+0x48/0x48 [ 3872.581671] ================================================================================ [ 3872.634406] ================================================================================ [ 3872.701188] UBSAN: Undefined behaviour in net/core/rtnetlink.c:783:13 [ 3872.741749] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 3872.789592] which requires 64 byte alignment [ 3872.819031] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3872.861778] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3872.921014] 00000000ffffffff 00000000f797e7aa ffff88005a45f0c8 ffffffffb26ec5cc [ 3872.967180] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3873.015860] ffff880000000010 ffff88005a45f0f0 ffff88005a45f0a0 ffffffffb363c3e0 [ 3873.054014] Call Trace: [ 3873.065467] [] dump_stack+0xd7/0x132 [ 3873.104422] [] ? arch_local_irq_restore+0x1b/0x1b [ 3873.140694] [] ubsan_epilogue+0x12/0x53 [ 3873.174625] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3873.216366] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3873.253636] [] do_setlink+0xab2/0x2647 [ 3873.285899] [] ? univ8250_console_setup+0x15a/0x15a [ 3873.339962] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3873.370479] [] ? console_unlock+0x6a9/0x6b8 [ 3873.404862] [] ? vprintk_emit+0x636/0x647 [ 3873.438493] [] ? vprintk_default+0x65/0x6e [ 3873.485612] [] ? ubsan_epilogue+0x26/0x53 [ 3873.519139] [] ? arch_local_irq_restore+0x6/0xd [ 3873.557699] [] ? validate_linkmsg+0x462/0x4a0 [ 3873.597649] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3873.637274] [] rtnl_newlink+0x98a/0x1165 [ 3873.674146] [] ? rtnl_newlink+0x4db/0x1165 [ 3873.703959] [] ? rtnl_newlink+0x457/0x1165 [ 3873.742531] [] ? rtnl_link_unregister+0x20d/0x20d [ 3873.782664] [] ? save_stack+0xc4/0xce [ 3873.820798] [] ? save_stack_trace+0x31/0xf1 [ 3873.848830] [] ? save_stack+0x46/0xce [ 3873.885043] [] ? security_capable+0xaa/0xb9 [ 3873.910833] [] ? ns_capable_common+0x149/0x153 [ 3873.956893] [] ? __netlink_ns_capable+0xf3/0xff [ 3873.997169] [] ? rtnl_link_unregister+0x20d/0x20d [ 3874.040608] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3874.075669] [] ? rtnl_newlink+0x1165/0x1165 [ 3874.115210] [] ? mutex_set_owner+0x8e/0xc6 [ 3874.153612] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3874.195232] [] ? rtnl_newlink+0x1165/0x1165 [ 3874.229813] [] netlink_rcv_skb+0x173/0x25b [ 3874.273073] [] rtnetlink_rcv+0x28/0x2f [ 3874.308091] [] netlink_unicast+0x3fc/0x503 [ 3874.340093] [] ? netlink_sendskb+0x35/0x35 [ 3874.377389] [] netlink_sendmsg+0x860/0x877 [ 3874.415728] [] ? netlink_unicast+0x503/0x503 [ 3874.449508] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3874.496444] [] ? netlink_unicast+0x503/0x503 [ 3874.532946] [] sock_sendmsg+0xe9/0x116 [ 3874.559528] [] ? ___sys_sendmsg+0x40c/0x789 [ 3874.593046] [] ___sys_sendmsg+0x5de/0x789 [ 3874.627185] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3874.669002] [] ? vm_normal_page+0x1aa/0x1aa [ 3874.705501] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3874.749628] [] ? compound_head+0x4e/0x56 [ 3874.781692] [] ? handle_mm_fault+0x1e11/0x2102 [ 3874.821032] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3874.853248] [] ? __fget_light+0xe6/0xf0 [ 3874.892080] [] __sys_sendmsg+0xdd/0x167 [ 3874.926593] [] ? __sys_sendmsg+0xdd/0x167 [ 3874.952970] [] ? SyS_shutdown+0x29/0x29 [ 3874.991766] [] SyS_sendmsg+0x3a/0x4f [ 3875.017402] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3875.053156] ================================================================================ [ 3875.106815] ================================================================================ [ 3875.168473] UBSAN: Undefined behaviour in net/core/dev.c:6460:24 [ 3875.209096] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3875.258081] which requires 64 byte alignment [ 3875.290919] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3875.341699] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3875.402019] 00000000ffffffff 00000000f797e7aa ffff88005a45f088 ffffffffb26ec5cc [ 3875.445587] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3875.489985] 1ffff10000000010 ffff88005a45f0b0 ffff88005a45f060 ffffffffb363c3e0 [ 3875.545928] Call Trace: [ 3875.563114] [] dump_stack+0xd7/0x132 [ 3875.597947] [] ? arch_local_irq_restore+0x1b/0x1b [ 3875.641601] [] ubsan_epilogue+0x12/0x53 [ 3875.688381] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3875.736979] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3875.782380] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3875.835310] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3875.885341] [] dev_change_flags+0x37/0x10f [ 3875.924143] [] ? do_setlink+0xabe/0x2647 [ 3875.971005] [] do_setlink+0xb05/0x2647 [ 3876.054695] [] ? univ8250_console_setup+0x15a/0x15a [ 3876.129356] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3876.176924] [] ? console_unlock+0x6a9/0x6b8 [ 3876.211837] [] ? vprintk_emit+0x636/0x647 [ 3876.247463] [] ? vprintk_default+0x65/0x6e [ 3876.293261] [] ? ubsan_epilogue+0x26/0x53 [ 3876.334370] [] ? arch_local_irq_restore+0x6/0xd [ 3876.370941] [] ? validate_linkmsg+0x462/0x4a0 [ 3876.404421] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3876.443779] [] rtnl_newlink+0x98a/0x1165 [ 3876.480481] [] ? rtnl_newlink+0x4db/0x1165 [ 3876.527735] [] ? rtnl_newlink+0x457/0x1165 [ 3876.577516] [] ? rtnl_link_unregister+0x20d/0x20d [ 3876.616697] [] ? save_stack+0xc4/0xce [ 3876.651284] [] ? save_stack_trace+0x31/0xf1 [ 3876.688844] [] ? save_stack+0x46/0xce [ 3876.722936] [] ? security_capable+0xaa/0xb9 [ 3876.760441] [] ? ns_capable_common+0x149/0x153 [ 3876.803441] [] ? __netlink_ns_capable+0xf3/0xff [ 3876.842889] [] ? rtnl_link_unregister+0x20d/0x20d [ 3876.884484] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3876.935306] [] ? rtnl_newlink+0x1165/0x1165 [ 3876.986151] [] ? mutex_set_owner+0x8e/0xc6 [ 3877.020212] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3877.062774] [] ? rtnl_newlink+0x1165/0x1165 [ 3877.101748] [] netlink_rcv_skb+0x173/0x25b [ 3877.141428] [] rtnetlink_rcv+0x28/0x2f [ 3877.176566] [] netlink_unicast+0x3fc/0x503 [ 3877.223960] [] ? netlink_sendskb+0x35/0x35 [ 3877.261858] [] netlink_sendmsg+0x860/0x877 [ 3877.308480] [] ? netlink_unicast+0x503/0x503 [ 3877.343712] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3877.387693] [] ? netlink_unicast+0x503/0x503 [ 3877.443591] [] sock_sendmsg+0xe9/0x116 [ 3877.491172] [] ? ___sys_sendmsg+0x40c/0x789 [ 3877.531207] [] ___sys_sendmsg+0x5de/0x789 [ 3877.578764] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3877.630055] [] ? vm_normal_page+0x1aa/0x1aa [ 3877.677483] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3877.723370] [] ? compound_head+0x4e/0x56 [ 3877.761041] [] ? handle_mm_fault+0x1e11/0x2102 [ 3877.806312] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3877.855752] [] ? __fget_light+0xe6/0xf0 [ 3877.895449] [] __sys_sendmsg+0xdd/0x167 [ 3877.929193] [] ? __sys_sendmsg+0xdd/0x167 [ 3877.977763] [] ? SyS_shutdown+0x29/0x29 [ 3878.014323] [] SyS_sendmsg+0x3a/0x4f [ 3878.050798] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3878.112822] ================================================================================ [ 3878.183366] ================================================================================ [ 3878.240530] UBSAN: Undefined behaviour in net/core/dev.c:6460:64 [ 3878.285495] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3878.347953] which requires 64 byte alignment [ 3878.391506] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3878.470981] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3878.545309] 00000000ffffffff 00000000f797e7aa ffff88005a45f088 ffffffffb26ec5cc [ 3878.597499] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3878.654777] ffffffff00000010 ffff88005a45f0b0 ffff88005a45f060 ffffffffb363c3e0 [ 3878.707948] Call Trace: [ 3878.730889] [] dump_stack+0xd7/0x132 [ 3878.770871] [] ? arch_local_irq_restore+0x1b/0x1b [ 3878.812117] [] ubsan_epilogue+0x12/0x53 [ 3878.851587] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3878.904040] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3878.955981] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3879.005394] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3879.063971] [] dev_change_flags+0x68/0x10f [ 3879.106021] [] do_setlink+0xb05/0x2647 [ 3879.146590] [] ? univ8250_console_setup+0x15a/0x15a [ 3879.188705] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3879.243061] [] ? console_unlock+0x6a9/0x6b8 [ 3879.275408] [] ? vprintk_emit+0x636/0x647 [ 3879.328759] [] ? vprintk_default+0x65/0x6e [ 3879.374757] [] ? ubsan_epilogue+0x26/0x53 [ 3879.433082] [] ? arch_local_irq_restore+0x6/0xd [ 3879.493028] [] ? validate_linkmsg+0x462/0x4a0 [ 3879.554311] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3879.606362] [] rtnl_newlink+0x98a/0x1165 [ 3879.649392] [] ? rtnl_newlink+0x4db/0x1165 [ 3879.702003] [] ? rtnl_newlink+0x457/0x1165 [ 3879.883632] [] ? rtnl_link_unregister+0x20d/0x20d [ 3879.931715] [] ? save_stack+0xc4/0xce [ 3879.965952] [] ? save_stack_trace+0x31/0xf1 [ 3880.009812] [] ? save_stack+0x46/0xce [ 3880.037881] [] ? security_capable+0xaa/0xb9 [ 3880.073217] [] ? ns_capable_common+0x149/0x153 [ 3880.107914] [] ? __netlink_ns_capable+0xf3/0xff [ 3880.151795] [] ? rtnl_link_unregister+0x20d/0x20d [ 3880.194000] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3880.237383] [] ? rtnl_newlink+0x1165/0x1165 [ 3880.272688] [] ? mutex_set_owner+0x8e/0xc6 [ 3880.317884] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3880.366229] [] ? rtnl_newlink+0x1165/0x1165 [ 3880.416963] [] netlink_rcv_skb+0x173/0x25b [ 3880.493053] [] rtnetlink_rcv+0x28/0x2f [ 3880.547090] [] netlink_unicast+0x3fc/0x503 [ 3880.609519] [] ? netlink_sendskb+0x35/0x35 [ 3880.705418] [] netlink_sendmsg+0x860/0x877 [ 3880.977165] [] ? netlink_unicast+0x503/0x503 [ 3881.021283] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3881.103276] [] ? netlink_unicast+0x503/0x503 [ 3881.141127] [] sock_sendmsg+0xe9/0x116 [ 3881.178434] [] ? ___sys_sendmsg+0x40c/0x789 [ 3881.220054] [] ___sys_sendmsg+0x5de/0x789 [ 3881.281568] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3881.344533] [] ? vm_normal_page+0x1aa/0x1aa [ 3881.502159] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3881.624751] [] ? compound_head+0x4e/0x56 [ 3881.666652] [] ? handle_mm_fault+0x1e11/0x2102 [ 3881.724092] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3881.799702] [] ? __fget_light+0xe6/0xf0 [ 3881.826950] [] __sys_sendmsg+0xdd/0x167 [ 3881.868237] [] ? __sys_sendmsg+0xdd/0x167 [ 3881.904615] [] ? SyS_shutdown+0x29/0x29 [ 3881.931607] [] SyS_sendmsg+0x3a/0x4f [ 3881.964433] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3882.007359] ================================================================================ [ 3882.060657] ================================================================================ [ 3882.107330] UBSAN: Undefined behaviour in net/core/dev.c:6365:15 [ 3882.141169] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3882.203337] which requires 64 byte alignment [ 3882.227250] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3882.276254] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3882.406671] 00000000ffffffff 00000000f797e7aa ffff88005a45f040 ffffffffb26ec5cc [ 3882.528056] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3882.590627] ffff880000000010 ffff88005a45f068 ffff88005a45f018 ffffffffb363c3e0 [ 3882.638998] Call Trace: [ 3882.656149] [] dump_stack+0xd7/0x132 [ 3882.693655] [] ? arch_local_irq_restore+0x1b/0x1b [ 3882.746652] [] ubsan_epilogue+0x12/0x53 [ 3882.779707] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3882.820184] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3882.865266] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3882.911044] [] __dev_change_flags+0x3a/0x2e9 [ 3882.958728] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3883.001631] [] dev_change_flags+0x89/0x10f [ 3883.088580] [] do_setlink+0xb05/0x2647 [ 3883.216179] [] ? univ8250_console_setup+0x15a/0x15a [ 3883.271722] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3883.330165] [] ? console_unlock+0x6a9/0x6b8 [ 3883.362978] [] ? vprintk_emit+0x636/0x647 [ 3883.408783] [] ? vprintk_default+0x65/0x6e [ 3883.444955] [] ? ubsan_epilogue+0x26/0x53 [ 3883.473199] [] ? arch_local_irq_restore+0x6/0xd [ 3883.515264] [] ? validate_linkmsg+0x462/0x4a0 [ 3883.547039] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3883.596922] [] rtnl_newlink+0x98a/0x1165 [ 3883.632064] [] ? rtnl_newlink+0x4db/0x1165 [ 3883.689478] [] ? rtnl_newlink+0x457/0x1165 [ 3883.799782] [] ? rtnl_link_unregister+0x20d/0x20d [ 3883.914527] [] ? save_stack+0xc4/0xce [ 3884.001672] [] ? save_stack_trace+0x31/0xf1 [ 3884.052085] [] ? save_stack+0x46/0xce [ 3884.101393] [] ? security_capable+0xaa/0xb9 [ 3884.141967] [] ? ns_capable_common+0x149/0x153 [ 3884.185981] [] ? __netlink_ns_capable+0xf3/0xff [ 3884.229699] [] ? rtnl_link_unregister+0x20d/0x20d [ 3884.275105] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3884.315473] [] ? rtnl_newlink+0x1165/0x1165 [ 3884.348045] [] ? mutex_set_owner+0x8e/0xc6 [ 3884.388059] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3884.445302] [] ? rtnl_newlink+0x1165/0x1165 [ 3884.530029] [] netlink_rcv_skb+0x173/0x25b [ 3884.577219] [] rtnetlink_rcv+0x28/0x2f [ 3884.624365] [] netlink_unicast+0x3fc/0x503 [ 3884.666468] [] ? netlink_sendskb+0x35/0x35 [ 3884.716029] [] netlink_sendmsg+0x860/0x877 [ 3884.752419] [] ? netlink_unicast+0x503/0x503 [ 3884.794699] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3884.851091] [] ? netlink_unicast+0x503/0x503 [ 3884.897634] [] sock_sendmsg+0xe9/0x116 [ 3884.933902] [] ? ___sys_sendmsg+0x40c/0x789 [ 3884.978140] [] ___sys_sendmsg+0x5de/0x789 [ 3885.014176] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3885.064325] [] ? vm_normal_page+0x1aa/0x1aa [ 3885.113711] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3885.160960] [] ? compound_head+0x4e/0x56 [ 3885.211049] [] ? handle_mm_fault+0x1e11/0x2102 [ 3885.499775] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3885.619382] [] ? __fget_light+0xe6/0xf0 [ 3885.679794] [] __sys_sendmsg+0xdd/0x167 [ 3885.729616] [] ? __sys_sendmsg+0xdd/0x167 [ 3885.791638] [] ? SyS_shutdown+0x29/0x29 [ 3885.830264] [] SyS_sendmsg+0x3a/0x4f [ 3885.877222] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3885.957107] ================================================================================ [ 3886.038680] ================================================================================ [ 3886.093064] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3886.139617] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3886.222041] which requires 64 byte alignment [ 3886.249152] CPU: 3 PID: 296 Comm: kworker/u10:1 Tainted: G L 4.8.11 #1 [ 3886.305724] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3886.376532] Workqueue: writeback wb_workfn (flush-8:0) [ 3886.439574] 00000000ffffffff 00000000dfa0c633 ffff8800a2f8ef18 ffffffffb26ec5cc [ 3886.556811] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3886.664275] ffff880000000010 ffff8800a2f8ef40 ffff8800a2f8eef0 ffffffffb363c3e0 [ 3886.711524] Call Trace: [ 3886.725150] [] dump_stack+0xd7/0x132 [ 3886.768726] [] ? arch_local_irq_restore+0x1b/0x1b [ 3886.806524] [] ubsan_epilogue+0x12/0x53 [ 3886.849224] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3886.892266] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3886.944276] [] ? ubsan_epilogue+0x26/0x53 [ 3886.989300] [] ext4_mb_complex_scan_group+0x408/0x882 [ 3887.057734] [] ? ext4_mb_try_best_found+0x209/0x209 [ 3887.121769] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3887.300357] [] ? ext4_mb_good_group+0x443/0x453 [ 3887.377092] [] ext4_mb_regular_allocator+0x7de/0xa37 [ 3887.424190] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3887.461770] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3887.511553] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3887.557542] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3887.609489] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3887.662169] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3887.701285] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3887.747513] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3887.794109] [] ? find_get_entry+0x104/0x104 [ 3887.837289] [] ? __put_compound_page+0x77/0x77 [ 3887.998294] [] ? lru_add_drain_cpu+0x310/0x31c [ 3888.078273] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3888.224074] [] ext4_map_blocks+0x815/0xef8 [ 3888.395092] [] ? ext4_issue_zeroout+0x182/0x182 [ 3888.449572] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3888.492228] [] ext4_writepages+0xab5/0x1c84 [ 3888.536542] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3888.575180] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3888.620517] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3888.673041] [] ? ext4_write_inode+0x1cb/0x3ec [ 3888.714207] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3888.763603] [] do_writepages+0xe5/0x10c [ 3888.794396] [] ? do_writepages+0xe5/0x10c [ 3888.839008] [] ? __writeback_single_inode+0xa1/0x8d6 [ 3888.876125] [] __writeback_single_inode+0x11b/0x8d6 [ 3888.916467] [] writeback_sb_inodes+0x623/0xc39 [ 3888.952661] [] ? wbc_detach_inode+0x521/0x521 [ 3888.994525] [] ? queue_io+0x323/0x3e9 [ 3889.025222] [] __writeback_inodes_wb+0x10a/0x1aa [ 3889.072039] [] wb_writeback+0x400/0x7d0 [ 3889.102111] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 3889.201744] [] ? get_nr_inodes_unused+0x105/0x11c [ 3889.368136] [] wb_workfn+0x42f/0x936 [ 3889.450347] [] ? wb_workfn+0x42f/0x936 [ 3889.564868] [] ? inode_wait_for_writeback+0x39/0x39 [ 3889.644915] [] ? wq_nice_show+0xab/0xab [ 3889.718293] [] process_one_work+0x54a/0x88e [ 3889.834847] [] ? create_worker+0x528/0x528 [ 3889.949942] [] ? worker_clr_flags+0x187/0x193 [ 3890.009699] [] worker_thread+0x67c/0x857 [ 3890.041746] [] kthread+0x1f7/0x20b [ 3890.075135] [] ? rescuer_thread+0x91f/0x91f [ 3890.113805] [] ? init_completion+0x48/0x48 [ 3890.141475] [] ret_from_fork+0x1f/0x40 [ 3890.182430] [] ? init_completion+0x48/0x48 [ 3890.227601] ================================================================================ [ 3890.288846] ================================================================================ [ 3890.348262] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1952:7 [ 3890.377977] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3890.447004] which requires 64 byte alignment [ 3890.476740] CPU: 3 PID: 296 Comm: kworker/u10:1 Tainted: G L 4.8.11 #1 [ 3890.528976] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3890.580977] Workqueue: writeback wb_workfn (flush-8:0) [ 3890.612390] 00000000ffffffff 00000000dfa0c633 ffff8800a2f8ef18 ffffffffb26ec5cc [ 3890.658632] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3890.717239] ffffffff00000010 ffff8800a2f8ef40 ffff8800a2f8eef0 ffffffffb363c3e0 [ 3890.777425] Call Trace: [ 3890.788540] [] dump_stack+0xd7/0x132 [ 3890.828659] [] ? arch_local_irq_restore+0x1b/0x1b [ 3890.874217] [] ubsan_epilogue+0x12/0x53 [ 3890.913076] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3890.960367] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3891.007598] [] ? ubsan_epilogue+0x26/0x53 [ 3891.035700] [] ext4_mb_complex_scan_group+0x41c/0x882 [ 3891.082077] [] ? ext4_mb_try_best_found+0x209/0x209 [ 3891.123418] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3891.174599] [] ? ext4_mb_good_group+0x443/0x453 [ 3891.211661] [] ext4_mb_regular_allocator+0x7de/0xa37 [ 3891.253926] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3891.300023] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3891.347444] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3891.398163] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3891.449384] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3891.491709] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3891.537137] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3891.577307] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3891.621291] [] ? find_get_entry+0x104/0x104 [ 3891.665725] [] ? __put_compound_page+0x77/0x77 [ 3891.700455] [] ? lru_add_drain_cpu+0x310/0x31c [ 3891.738934] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3891.797128] [] ext4_map_blocks+0x815/0xef8 [ 3891.837357] [] ? ext4_issue_zeroout+0x182/0x182 [ 3891.878662] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3891.919820] [] ext4_writepages+0xab5/0x1c84 [ 3891.957707] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3892.001709] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3892.048552] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3892.098461] [] ? ext4_write_inode+0x1cb/0x3ec [ 3892.133179] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3892.174462] [] do_writepages+0xe5/0x10c [ 3892.211821] [] ? do_writepages+0xe5/0x10c [ 3892.253358] [] ? __writeback_single_inode+0xa1/0x8d6 [ 3892.294396] [] __writeback_single_inode+0x11b/0x8d6 [ 3892.334007] [] writeback_sb_inodes+0x623/0xc39 [ 3892.367829] [] ? wbc_detach_inode+0x521/0x521 [ 3892.405503] [] ? queue_io+0x323/0x3e9 [ 3892.437674] [] __writeback_inodes_wb+0x10a/0x1aa [ 3892.471719] [] wb_writeback+0x400/0x7d0 [ 3892.507159] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 3892.549972] [] ? get_nr_inodes_unused+0x105/0x11c [ 3892.592060] [] wb_workfn+0x42f/0x936 [ 3892.625256] [] ? wb_workfn+0x42f/0x936 [ 3892.658219] [] ? inode_wait_for_writeback+0x39/0x39 [ 3892.698668] [] ? wq_nice_show+0xab/0xab [ 3892.730956] [] process_one_work+0x54a/0x88e [ 3892.775067] [] ? create_worker+0x528/0x528 [ 3892.811793] [] ? worker_clr_flags+0x187/0x193 [ 3892.843582] [] worker_thread+0x67c/0x857 [ 3892.872185] [] kthread+0x1f7/0x20b [ 3892.912109] [] ? rescuer_thread+0x91f/0x91f [ 3892.946551] [] ? init_completion+0x48/0x48 [ 3892.985422] [] ret_from_fork+0x1f/0x40 [ 3893.013679] [] ? init_completion+0x48/0x48 [ 3893.050324] ================================================================================ [ 3893.097031] ================================================================================ [ 3893.140566] UBSAN: Undefined behaviour in net/core/dev.c:6377:12 [ 3893.179520] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3893.236251] which requires 64 byte alignment [ 3893.266727] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3893.302806] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3893.369853] 00000000ffffffff 00000000f797e7aa ffff88005a45f040 ffffffffb26ec5cc [ 3893.434260] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3893.546147] ffff880000000010 ffff88005a45f068 ffff88005a45f018 ffffffffb363c3e0 [ 3893.669497] Call Trace: [ 3893.718320] [] dump_stack+0xd7/0x132 [ 3893.752111] [] ? arch_local_irq_restore+0x1b/0x1b [ 3893.796574] [] ubsan_epilogue+0x12/0x53 [ 3893.838314] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3893.883722] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3893.931255] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3893.973028] [] __dev_change_flags+0xa5/0x2e9 [ 3894.018097] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3894.072267] [] dev_change_flags+0x89/0x10f [ 3894.112377] [] do_setlink+0xb05/0x2647 [ 3894.140174] [] ? univ8250_console_setup+0x15a/0x15a [ 3894.188496] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3894.232509] [] ? console_unlock+0x6a9/0x6b8 [ 3894.269027] [] ? vprintk_emit+0x636/0x647 [ 3894.301677] [] ? vprintk_default+0x65/0x6e [ 3894.342028] [] ? ubsan_epilogue+0x26/0x53 [ 3894.381043] [] ? arch_local_irq_restore+0x6/0xd [ 3894.437034] [] ? validate_linkmsg+0x462/0x4a0 [ 3894.494402] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3894.546419] [] rtnl_newlink+0x98a/0x1165 [ 3894.601958] [] ? rtnl_newlink+0x4db/0x1165 [ 3894.685913] [] ? rtnl_newlink+0x457/0x1165 [ 3894.817467] [] ? rtnl_link_unregister+0x20d/0x20d [ 3894.935871] [] ? save_stack+0xc4/0xce [ 3894.973527] [] ? save_stack_trace+0x31/0xf1 [ 3895.029006] [] ? save_stack+0x46/0xce [ 3895.074152] [] ? security_capable+0xaa/0xb9 [ 3895.119787] [] ? ns_capable_common+0x149/0x153 [ 3895.159807] [] ? __netlink_ns_capable+0xf3/0xff [ 3895.194056] [] ? rtnl_link_unregister+0x20d/0x20d [ 3895.236694] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3895.273755] [] ? rtnl_newlink+0x1165/0x1165 [ 3895.314688] [] ? mutex_set_owner+0x8e/0xc6 [ 3895.346598] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3895.388581] [] ? rtnl_newlink+0x1165/0x1165 [ 3895.424362] [] netlink_rcv_skb+0x173/0x25b [ 3895.459597] [] rtnetlink_rcv+0x28/0x2f [ 3895.493957] [] netlink_unicast+0x3fc/0x503 [ 3895.540187] [] ? netlink_sendskb+0x35/0x35 [ 3895.581955] [] netlink_sendmsg+0x860/0x877 [ 3895.624086] [] ? netlink_unicast+0x503/0x503 [ 3895.668230] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3895.714346] [] ? netlink_unicast+0x503/0x503 [ 3895.751676] [] sock_sendmsg+0xe9/0x116 [ 3895.781846] [] ? ___sys_sendmsg+0x40c/0x789 [ 3895.815889] [] ___sys_sendmsg+0x5de/0x789 [ 3895.849348] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3895.884004] [] ? vm_normal_page+0x1aa/0x1aa [ 3895.917902] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3895.959066] [] ? compound_head+0x4e/0x56 [ 3895.992853] [] ? handle_mm_fault+0x1e11/0x2102 [ 3896.036887] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3896.079813] [] ? __fget_light+0xe6/0xf0 [ 3896.120369] [] __sys_sendmsg+0xdd/0x167 [ 3896.163558] [] ? __sys_sendmsg+0xdd/0x167 [ 3896.196720] [] ? SyS_shutdown+0x29/0x29 [ 3896.234699] [] SyS_sendmsg+0x3a/0x4f [ 3896.269817] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3896.310325] ================================================================================ [ 3896.366240] ================================================================================ [ 3896.422445] UBSAN: Undefined behaviour in net/core/dev.c:6374:13 [ 3896.462372] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3896.522097] which requires 64 byte alignment [ 3896.545815] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3896.593824] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3896.650522] 00000000ffffffff 00000000f797e7aa ffff88005a45f040 ffffffffb26ec5cc [ 3896.699722] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3896.745682] ffff880000000010 ffff88005a45f068 ffff88005a45f018 ffffffffb363c3e0 [ 3896.794361] Call Trace: [ 3896.814385] [] dump_stack+0xd7/0x132 [ 3896.846385] [] ? arch_local_irq_restore+0x1b/0x1b [ 3896.885379] [] ubsan_epilogue+0x12/0x53 [ 3896.919983] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3896.965703] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3897.011715] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3897.057468] [] __dev_change_flags+0xd4/0x2e9 [ 3897.092899] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3897.138772] [] dev_change_flags+0x89/0x10f [ 3897.184706] [] do_setlink+0xb05/0x2647 [ 3897.221333] [] ? univ8250_console_setup+0x15a/0x15a [ 3897.262762] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3897.306833] [] ? console_unlock+0x6a9/0x6b8 [ 3897.344865] [] ? vprintk_emit+0x636/0x647 [ 3897.385102] [] ? vprintk_default+0x65/0x6e [ 3897.415045] [] ? ubsan_epilogue+0x26/0x53 [ 3897.454589] [] ? arch_local_irq_restore+0x6/0xd [ 3897.494207] [] ? validate_linkmsg+0x462/0x4a0 [ 3897.534296] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3897.564694] [] rtnl_newlink+0x98a/0x1165 [ 3897.601075] [] ? rtnl_newlink+0x4db/0x1165 [ 3897.706142] [] ? rtnl_newlink+0x457/0x1165 [ 3897.759632] [] ? rtnl_link_unregister+0x20d/0x20d [ 3897.797201] [] ? save_stack+0xc4/0xce [ 3897.836993] [] ? save_stack_trace+0x31/0xf1 [ 3897.869096] [] ? save_stack+0x46/0xce [ 3897.906043] [] ? security_capable+0xaa/0xb9 [ 3897.944552] [] ? ns_capable_common+0x149/0x153 [ 3897.980213] [] ? __netlink_ns_capable+0xf3/0xff [ 3898.017984] [] ? rtnl_link_unregister+0x20d/0x20d [ 3898.060980] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3898.101636] [] ? rtnl_newlink+0x1165/0x1165 [ 3898.143849] [] ? mutex_set_owner+0x8e/0xc6 [ 3898.205900] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3898.304220] [] ? rtnl_newlink+0x1165/0x1165 [ 3898.419774] [] netlink_rcv_skb+0x173/0x25b [ 3898.466841] [] rtnetlink_rcv+0x28/0x2f [ 3898.534145] [] netlink_unicast+0x3fc/0x503 [ 3898.599108] [] ? netlink_sendskb+0x35/0x35 [ 3898.668223] [] netlink_sendmsg+0x860/0x877 [ 3898.715538] [] ? netlink_unicast+0x503/0x503 [ 3898.773606] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3898.814200] [] ? netlink_unicast+0x503/0x503 [ 3898.857743] [] sock_sendmsg+0xe9/0x116 [ 3898.901714] [] ? ___sys_sendmsg+0x40c/0x789 [ 3898.942129] [] ___sys_sendmsg+0x5de/0x789 [ 3898.993562] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3899.044307] [] ? vm_normal_page+0x1aa/0x1aa [ 3899.067121] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3899.121056] [] ? compound_head+0x4e/0x56 [ 3899.159498] [] ? handle_mm_fault+0x1e11/0x2102 [ 3899.194326] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3899.236150] [] ? __fget_light+0xe6/0xf0 [ 3899.269766] [] __sys_sendmsg+0xdd/0x167 [ 3899.298965] [] ? __sys_sendmsg+0xdd/0x167 [ 3899.340280] [] ? SyS_shutdown+0x29/0x29 [ 3899.364654] [] SyS_sendmsg+0x3a/0x4f [ 3899.399238] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3899.446620] ================================================================================ [ 3899.518061] ================================================================================ [ 3899.571148] UBSAN: Undefined behaviour in net/core/dev.c:6299:31 [ 3899.618377] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3899.677273] which requires 64 byte alignment [ 3899.728176] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3899.808501] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3899.898550] 00000000ffffffff 00000000f797e7aa ffff88005a45efe8 ffffffffb26ec5cc [ 3899.974043] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3900.064131] 0000000000000010 ffff88005a45f010 ffff88005a45efc0 ffffffffb363c3e0 [ 3900.207001] Call Trace: [ 3900.239819] [] dump_stack+0xd7/0x132 [ 3900.282849] [] ? arch_local_irq_restore+0x1b/0x1b [ 3900.320761] [] ubsan_epilogue+0x12/0x53 [ 3900.356418] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3900.402658] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3900.449054] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3900.497102] [] __dev_set_rx_mode+0x33/0x2ea [ 3900.534012] [] dev_set_rx_mode+0x2c/0x39 [ 3900.563921] [] __dev_change_flags+0x10b/0x2e9 [ 3900.609090] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3900.655393] [] dev_change_flags+0x89/0x10f [ 3900.691049] [] do_setlink+0xb05/0x2647 [ 3900.726153] [] ? univ8250_console_setup+0x15a/0x15a [ 3900.764515] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3900.821464] [] ? console_unlock+0x6a9/0x6b8 [ 3900.856923] [] ? vprintk_emit+0x636/0x647 [ 3900.890074] [] ? vprintk_default+0x65/0x6e [ 3900.924828] [] ? ubsan_epilogue+0x26/0x53 [ 3900.962114] [] ? arch_local_irq_restore+0x6/0xd [ 3900.996053] [] ? validate_linkmsg+0x462/0x4a0 [ 3901.037803] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3901.069317] [] rtnl_newlink+0x98a/0x1165 [ 3901.105870] [] ? rtnl_newlink+0x4db/0x1165 [ 3901.143962] [] ? rtnl_newlink+0x457/0x1165 [ 3901.182968] [] ? rtnl_link_unregister+0x20d/0x20d [ 3901.227233] [] ? save_stack+0xc4/0xce [ 3901.259993] [] ? save_stack_trace+0x31/0xf1 [ 3901.301523] [] ? save_stack+0x46/0xce [ 3901.330909] [] ? security_capable+0xaa/0xb9 [ 3901.368086] [] ? ns_capable_common+0x149/0x153 [ 3901.407833] [] ? __netlink_ns_capable+0xf3/0xff [ 3901.448492] [] ? rtnl_link_unregister+0x20d/0x20d [ 3901.497049] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3901.537805] [] ? rtnl_newlink+0x1165/0x1165 [ 3901.570253] [] ? mutex_set_owner+0x8e/0xc6 [ 3901.608619] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3901.662283] [] ? rtnl_newlink+0x1165/0x1165 [ 3901.703153] [] netlink_rcv_skb+0x173/0x25b [ 3901.736009] [] rtnetlink_rcv+0x28/0x2f [ 3901.772895] [] netlink_unicast+0x3fc/0x503 [ 3901.808955] [] ? netlink_sendskb+0x35/0x35 [ 3901.844554] [] netlink_sendmsg+0x860/0x877 [ 3901.886474] [] ? netlink_unicast+0x503/0x503 [ 3901.938271] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3901.967438] [] ? netlink_unicast+0x503/0x503 [ 3902.005185] [] sock_sendmsg+0xe9/0x116 [ 3902.032234] [] ? ___sys_sendmsg+0x40c/0x789 [ 3902.077909] [] ___sys_sendmsg+0x5de/0x789 [ 3902.129903] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3902.166974] [] ? vm_normal_page+0x1aa/0x1aa [ 3902.198652] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3902.265292] [] ? compound_head+0x4e/0x56 [ 3902.359012] [] ? handle_mm_fault+0x1e11/0x2102 [ 3902.444352] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3902.518370] [] ? __fget_light+0xe6/0xf0 [ 3902.551995] [] __sys_sendmsg+0xdd/0x167 [ 3902.604446] [] ? __sys_sendmsg+0xdd/0x167 [ 3902.639312] [] ? SyS_shutdown+0x29/0x29 [ 3902.678662] [] SyS_sendmsg+0x3a/0x4f [ 3902.703429] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3902.748023] ================================================================================ [ 3902.802780] ================================================================================ [ 3902.845252] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3902.890253] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3902.938285] which requires 64 byte alignment [ 3902.970194] CPU: 3 PID: 296 Comm: kworker/u10:1 Tainted: G L 4.8.11 #1 [ 3903.014406] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3903.083079] Workqueue: writeback wb_workfn (flush-8:0) [ 3903.166843] 00000000ffffffff 00000000dfa0c633 ffff8800a2f8ef18 ffffffffb26ec5cc [ 3903.294816] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3903.345970] ffff880000000010 ffff8800a2f8ef40 ffff8800a2f8eef0 ffffffffb363c3e0 [ 3903.384418] Call Trace: [ 3903.406829] [] dump_stack+0xd7/0x132 [ 3903.442226] [] ? arch_local_irq_restore+0x1b/0x1b [ 3903.479412] [] ubsan_epilogue+0x12/0x53 [ 3903.515620] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3903.568540] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3903.619954] [] ? ubsan_epilogue+0x26/0x53 [ 3903.654375] [] ext4_mb_complex_scan_group+0x434/0x882 [ 3903.695690] [] ? ext4_mb_try_best_found+0x209/0x209 [ 3903.732394] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3903.781737] [] ? ext4_mb_good_group+0x443/0x453 [ 3904.034508] [] ext4_mb_regular_allocator+0x7de/0xa37 [ 3904.178541] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3904.215810] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3904.266489] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3904.300380] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3904.346276] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3904.389459] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3904.441726] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3904.483518] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3904.529086] [] ? find_get_entry+0x104/0x104 [ 3904.573759] [] ? __put_compound_page+0x77/0x77 [ 3904.614122] [] ? lru_add_drain_cpu+0x310/0x31c [ 3904.656587] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3904.685924] [] ext4_map_blocks+0x815/0xef8 [ 3904.724648] [] ? ext4_issue_zeroout+0x182/0x182 [ 3904.766288] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3904.805987] [] ext4_writepages+0xab5/0x1c84 [ 3904.846634] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3904.889224] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3904.932678] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3904.980082] [] ? ext4_write_inode+0x1cb/0x3ec [ 3905.016744] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3905.064763] [] do_writepages+0xe5/0x10c [ 3905.102137] [] ? do_writepages+0xe5/0x10c [ 3905.138110] [] ? __writeback_single_inode+0xa1/0x8d6 [ 3905.187474] [] __writeback_single_inode+0x11b/0x8d6 [ 3905.220488] [] writeback_sb_inodes+0x623/0xc39 [ 3905.262006] [] ? wbc_detach_inode+0x521/0x521 [ 3905.300600] [] ? queue_io+0x323/0x3e9 [ 3905.326804] [] __writeback_inodes_wb+0x10a/0x1aa [ 3905.370690] [] wb_writeback+0x400/0x7d0 [ 3905.398695] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 3905.449951] [] ? get_nr_inodes_unused+0x105/0x11c [ 3905.485960] [] wb_workfn+0x42f/0x936 [ 3905.519144] [] ? wb_workfn+0x42f/0x936 [ 3905.555852] [] ? inode_wait_for_writeback+0x39/0x39 [ 3905.591894] [] ? wq_nice_show+0xab/0xab [ 3905.627037] [] process_one_work+0x54a/0x88e [ 3905.659173] [] ? create_worker+0x528/0x528 [ 3905.705695] [] ? worker_clr_flags+0x187/0x193 [ 3905.740641] [] worker_thread+0x67c/0x857 [ 3905.773250] [] kthread+0x1f7/0x20b [ 3905.803103] [] ? rescuer_thread+0x91f/0x91f [ 3905.844426] [] ? init_completion+0x48/0x48 [ 3905.888629] [] ret_from_fork+0x1f/0x40 [ 3905.932886] [] ? init_completion+0x48/0x48 [ 3905.964185] ================================================================================ [ 3906.022228] ================================================================================ [ 3906.084432] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1953:12 [ 3906.115865] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3906.175776] which requires 64 byte alignment [ 3906.208856] CPU: 3 PID: 296 Comm: kworker/u10:1 Tainted: G L 4.8.11 #1 [ 3906.256891] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3906.334754] Workqueue: writeback wb_workfn (flush-8:0) [ 3906.370544] 00000000ffffffff 00000000dfa0c633 ffff8800a2f8ef18 ffffffffb26ec5cc [ 3906.421386] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3906.468319] ffffffff00000010 ffff8800a2f8ef40 ffff8800a2f8eef0 ffffffffb363c3e0 [ 3906.522837] Call Trace: [ 3906.538658] [] dump_stack+0xd7/0x132 [ 3906.570460] [] ? arch_local_irq_restore+0x1b/0x1b [ 3906.612350] [] ubsan_epilogue+0x12/0x53 [ 3906.650430] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3906.694923] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3906.744841] [] ? ubsan_epilogue+0x26/0x53 [ 3906.777983] [] ext4_mb_complex_scan_group+0x448/0x882 [ 3906.819230] [] ? ext4_mb_try_best_found+0x209/0x209 [ 3906.872214] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3906.918780] [] ? ext4_mb_good_group+0x443/0x453 [ 3906.951039] [] ext4_mb_regular_allocator+0x7de/0xa37 [ 3906.983211] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3907.025657] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3907.074653] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3907.102893] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3907.143753] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3907.192334] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3907.230794] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3907.269274] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3907.311919] [] ? find_get_entry+0x104/0x104 [ 3907.352391] [] ? __put_compound_page+0x77/0x77 [ 3907.392157] [] ? lru_add_drain_cpu+0x310/0x31c [ 3907.443727] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3907.488837] [] ext4_map_blocks+0x815/0xef8 [ 3907.521952] [] ? ext4_issue_zeroout+0x182/0x182 [ 3907.560173] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3907.607379] [] ext4_writepages+0xab5/0x1c84 [ 3907.645646] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3907.688980] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3907.739090] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3907.788192] [] ? ext4_write_inode+0x1cb/0x3ec [ 3907.823886] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3907.873623] [] do_writepages+0xe5/0x10c [ 3907.906805] [] ? do_writepages+0xe5/0x10c [ 3907.943008] [] ? __writeback_single_inode+0xa1/0x8d6 [ 3907.982833] [] __writeback_single_inode+0x11b/0x8d6 [ 3908.024792] [] writeback_sb_inodes+0x623/0xc39 [ 3908.061000] [] ? wbc_detach_inode+0x521/0x521 [ 3908.100518] [] ? queue_io+0x323/0x3e9 [ 3908.139427] [] __writeback_inodes_wb+0x10a/0x1aa [ 3908.184740] [] wb_writeback+0x400/0x7d0 [ 3908.218909] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 3908.269160] [] ? get_nr_inodes_unused+0x105/0x11c [ 3908.307723] [] wb_workfn+0x42f/0x936 [ 3908.339016] [] ? wb_workfn+0x42f/0x936 [ 3908.366474] [] ? inode_wait_for_writeback+0x39/0x39 [ 3908.403868] [] ? wq_nice_show+0xab/0xab [ 3908.442583] [] process_one_work+0x54a/0x88e [ 3908.480368] [] ? create_worker+0x528/0x528 [ 3908.509751] [] ? worker_clr_flags+0x187/0x193 [ 3908.553500] [] worker_thread+0x67c/0x857 [ 3908.588924] [] kthread+0x1f7/0x20b [ 3908.622032] [] ? rescuer_thread+0x91f/0x91f [ 3908.654703] [] ? init_completion+0x48/0x48 [ 3908.693819] [] ret_from_fork+0x1f/0x40 [ 3908.726622] [] ? init_completion+0x48/0x48 [ 3908.763369] ================================================================================ [ 3908.822237] ================================================================================ [ 3908.877455] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3908.919869] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3908.970895] which requires 64 byte alignment [ 3909.003322] CPU: 3 PID: 296 Comm: kworker/u10:1 Tainted: G L 4.8.11 #1 [ 3909.053233] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3909.111857] Workqueue: writeback wb_workfn (flush-8:0) [ 3909.144268] 00000000ffffffff 00000000dfa0c633 ffff8800a2f8ee50 ffffffffb26ec5cc [ 3909.196413] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3909.243614] 0000000000000010 ffff8800a2f8ee78 ffff8800a2f8ee28 ffffffffb363c3e0 [ 3909.282901] Call Trace: [ 3909.300177] [] dump_stack+0xd7/0x132 [ 3909.329878] [] ? arch_local_irq_restore+0x1b/0x1b [ 3909.371729] [] ubsan_epilogue+0x12/0x53 [ 3909.405627] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3909.445290] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3909.493452] [] ? ubsan_epilogue+0x26/0x53 [ 3909.528449] [] mb_find_extent+0xdc/0x71a [ 3909.566922] [] ? mb_find_order_for_block+0x1d1/0x1d1 [ 3909.607204] [] ? ubsan_epilogue+0x26/0x53 [ 3909.640226] [] ext4_mb_complex_scan_group+0x3d5/0x882 [ 3909.683442] [] ? ext4_mb_try_best_found+0x209/0x209 [ 3909.722559] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3909.767713] [] ? ext4_mb_good_group+0x443/0x453 [ 3909.802747] [] ext4_mb_regular_allocator+0x7de/0xa37 [ 3909.842147] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3909.890138] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3909.935368] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3909.970901] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3910.017383] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3910.069303] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3910.118012] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3910.153191] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3910.189910] [] ? find_get_entry+0x104/0x104 [ 3910.223544] [] ? __put_compound_page+0x77/0x77 [ 3910.262461] [] ? lru_add_drain_cpu+0x310/0x31c [ 3910.300846] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3910.347950] [] ext4_map_blocks+0x815/0xef8 [ 3910.382380] [] ? ext4_issue_zeroout+0x182/0x182 [ 3910.424342] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3910.464254] [] ext4_writepages+0xab5/0x1c84 [ 3910.502577] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3910.552296] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3910.593185] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3910.644546] [] ? ext4_write_inode+0x1cb/0x3ec [ 3910.679927] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3910.721876] [] do_writepages+0xe5/0x10c [ 3910.756786] [] ? do_writepages+0xe5/0x10c [ 3910.792103] [] ? __writeback_single_inode+0xa1/0x8d6 [ 3910.834220] [] __writeback_single_inode+0x11b/0x8d6 [ 3910.875441] [] writeback_sb_inodes+0x623/0xc39 [ 3910.920251] [] ? wbc_detach_inode+0x521/0x521 [ 3910.957402] [] ? queue_io+0x323/0x3e9 [ 3911.003006] [] __writeback_inodes_wb+0x10a/0x1aa [ 3911.046431] [] wb_writeback+0x400/0x7d0 [ 3911.079708] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 3911.129918] [] ? get_nr_inodes_unused+0x105/0x11c [ 3911.176973] [] wb_workfn+0x42f/0x936 [ 3911.205311] [] ? wb_workfn+0x42f/0x936 [ 3911.272897] [] ? inode_wait_for_writeback+0x39/0x39 [ 3911.360315] [] ? wq_nice_show+0xab/0xab [ 3911.408263] [] process_one_work+0x54a/0x88e [ 3911.461375] [] ? create_worker+0x528/0x528 [ 3911.498761] [] ? worker_clr_flags+0x187/0x193 [ 3911.540757] [] worker_thread+0x67c/0x857 [ 3911.590822] [] kthread+0x1f7/0x20b [ 3911.649043] [] ? rescuer_thread+0x91f/0x91f [ 3911.694770] [] ? init_completion+0x48/0x48 [ 3911.727142] [] ret_from_fork+0x1f/0x40 [ 3911.759781] [] ? init_completion+0x48/0x48 [ 3911.799050] ================================================================================ [ 3911.851465] ================================================================================ [ 3911.909253] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2933:9 [ 3911.949422] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3912.005653] which requires 64 byte alignment [ 3912.038847] CPU: 3 PID: 296 Comm: kworker/u10:1 Tainted: G L 4.8.11 #1 [ 3912.091757] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3912.142200] Workqueue: writeback wb_workfn (flush-8:0) [ 3912.182072] 00000000ffffffff 00000000dfa0c633 ffff8800a2f8ee50 ffffffffb26ec5cc [ 3912.235247] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3912.289693] ffff880000000010 ffff8800a2f8ee78 ffff8800a2f8ee28 ffffffffb363c3e0 [ 3912.337606] Call Trace: [ 3912.368045] [] dump_stack+0xd7/0x132 [ 3912.396198] [] ? arch_local_irq_restore+0x1b/0x1b [ 3912.443987] [] ubsan_epilogue+0x12/0x53 [ 3912.496529] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3912.568945] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3912.633951] [] ? ubsan_epilogue+0x26/0x53 [ 3912.674221] [] mb_find_extent+0x109/0x71a [ 3912.712360] [] ? mb_find_order_for_block+0x1d1/0x1d1 [ 3912.777371] [] ? ubsan_epilogue+0x26/0x53 [ 3912.821200] [] ext4_mb_complex_scan_group+0x3d5/0x882 [ 3912.861556] [] ? ext4_mb_try_best_found+0x209/0x209 [ 3912.908865] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3912.954817] [] ? ext4_mb_good_group+0x443/0x453 [ 3912.989801] [] ext4_mb_regular_allocator+0x7de/0xa37 [ 3913.027986] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3913.075088] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3913.137299] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3913.174887] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3913.221472] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3913.261693] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3913.300303] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3913.340863] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3913.384856] [] ? find_get_entry+0x104/0x104 [ 3913.424090] [] ? __put_compound_page+0x77/0x77 [ 3913.461248] [] ? lru_add_drain_cpu+0x310/0x31c [ 3913.509395] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3913.559527] [] ext4_map_blocks+0x815/0xef8 [ 3913.593542] [] ? ext4_issue_zeroout+0x182/0x182 [ 3913.637336] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3913.676868] [] ext4_writepages+0xab5/0x1c84 [ 3913.708323] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3913.755949] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3913.805318] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3913.851059] [] ? ext4_write_inode+0x1cb/0x3ec [ 3913.888835] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3913.937110] [] do_writepages+0xe5/0x10c [ 3913.971429] [] ? do_writepages+0xe5/0x10c [ 3914.003495] [] ? __writeback_single_inode+0xa1/0x8d6 [ 3914.051245] [] __writeback_single_inode+0x11b/0x8d6 [ 3914.100771] [] writeback_sb_inodes+0x623/0xc39 [ 3914.165062] [] ? wbc_detach_inode+0x521/0x521 [ 3914.249776] [] ? queue_io+0x323/0x3e9 [ 3914.317108] [] __writeback_inodes_wb+0x10a/0x1aa [ 3914.388976] [] wb_writeback+0x400/0x7d0 [ 3914.426653] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 3914.472061] [] ? get_nr_inodes_unused+0x105/0x11c [ 3914.520877] [] wb_workfn+0x42f/0x936 [ 3914.553313] [] ? wb_workfn+0x42f/0x936 [ 3914.591691] [] ? inode_wait_for_writeback+0x39/0x39 [ 3914.627386] [] ? wq_nice_show+0xab/0xab [ 3914.670831] [] process_one_work+0x54a/0x88e [ 3914.717351] [] ? create_worker+0x528/0x528 [ 3914.788404] [] ? worker_clr_flags+0x187/0x193 [ 3914.823573] [] worker_thread+0x67c/0x857 [ 3914.864133] [] kthread+0x1f7/0x20b [ 3914.899119] [] ? rescuer_thread+0x91f/0x91f [ 3914.930765] [] ? init_completion+0x48/0x48 [ 3914.969617] [] ret_from_fork+0x1f/0x40 [ 3915.008391] [] ? init_completion+0x48/0x48 [ 3915.041718] ================================================================================ [ 3915.091580] ================================================================================ [ 3915.144007] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3915.177750] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3915.222959] which requires 64 byte alignment [ 3915.260795] CPU: 3 PID: 296 Comm: kworker/u10:1 Tainted: G L 4.8.11 #1 [ 3915.307142] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3915.362846] Workqueue: writeback wb_workfn (flush-8:0) [ 3915.406138] 00000000ffffffff 00000000dfa0c633 ffff8800a2f8ef18 ffffffffb26ec5cc [ 3915.443608] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3915.490456] 0000000000000010 ffff8800a2f8ef40 ffff8800a2f8eef0 ffffffffb363c3e0 [ 3915.542521] Call Trace: [ 3915.559169] [] dump_stack+0xd7/0x132 [ 3915.591819] [] ? arch_local_irq_restore+0x1b/0x1b [ 3915.633511] [] ubsan_epilogue+0x12/0x53 [ 3915.659697] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3915.704727] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3915.753337] [] ? ubsan_epilogue+0x26/0x53 [ 3915.787367] [] ext4_mb_complex_scan_group+0x562/0x882 [ 3915.828404] [] ? ext4_mb_try_best_found+0x209/0x209 [ 3915.872745] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3915.954963] [] ? ext4_mb_good_group+0x443/0x453 [ 3916.017950] [] ext4_mb_regular_allocator+0x7de/0xa37 [ 3916.122573] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3916.194631] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3916.266704] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3916.314054] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3916.367920] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3916.425480] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3916.463019] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3916.505216] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3916.546670] [] ? find_get_entry+0x104/0x104 [ 3916.580557] [] ? __put_compound_page+0x77/0x77 [ 3916.626549] [] ? lru_add_drain_cpu+0x310/0x31c [ 3916.672033] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3916.711236] [] ext4_map_blocks+0x815/0xef8 [ 3916.743517] [] ? ext4_issue_zeroout+0x182/0x182 [ 3916.782003] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3916.832201] [] ext4_writepages+0xab5/0x1c84 [ 3916.880542] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3916.966077] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3917.069266] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3917.190654] [] ? ext4_write_inode+0x1cb/0x3ec [ 3917.281412] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3917.342372] [] do_writepages+0xe5/0x10c [ 3917.381988] [] ? do_writepages+0xe5/0x10c [ 3917.425802] [] ? __writeback_single_inode+0xa1/0x8d6 [ 3917.469937] [] __writeback_single_inode+0x11b/0x8d6 [ 3917.510215] [] writeback_sb_inodes+0x623/0xc39 [ 3917.547160] [] ? wbc_detach_inode+0x521/0x521 [ 3917.586807] [] ? queue_io+0x323/0x3e9 [ 3917.622482] [] __writeback_inodes_wb+0x10a/0x1aa [ 3917.658790] [] wb_writeback+0x400/0x7d0 [ 3917.691945] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 3917.744025] [] ? get_nr_inodes_unused+0x105/0x11c [ 3917.829386] [] wb_workfn+0x42f/0x936 [ 3917.935232] [] ? wb_workfn+0x42f/0x936 [ 3918.007588] [] ? inode_wait_for_writeback+0x39/0x39 [ 3918.047180] [] ? wq_nice_show+0xab/0xab [ 3918.090524] [] process_one_work+0x54a/0x88e [ 3918.126219] [] ? create_worker+0x528/0x528 [ 3918.153661] [] ? worker_clr_flags+0x187/0x193 [ 3918.189420] [] worker_thread+0x67c/0x857 [ 3918.234036] [] kthread+0x1f7/0x20b [ 3918.262569] [] ? rescuer_thread+0x91f/0x91f [ 3918.298897] [] ? init_completion+0x48/0x48 [ 3918.334001] [] ret_from_fork+0x1f/0x40 [ 3918.371057] [] ? init_completion+0x48/0x48 [ 3918.410396] ================================================================================ [ 3918.460644] ================================================================================ [ 3918.512487] UBSAN: Undefined behaviour in net/core/dev.c:6302:11 [ 3918.548602] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3918.593506] which requires 64 byte alignment [ 3918.625098] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3918.674043] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3918.730508] 00000000ffffffff 00000000f797e7aa ffff88005a45efe8 ffffffffb26ec5cc [ 3918.782322] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3918.827697] ffff880000000010 ffff88005a45f010 ffff88005a45efc0 ffffffffb363c3e0 [ 3918.872194] Call Trace: [ 3918.887881] [] dump_stack+0xd7/0x132 [ 3918.921927] [] ? arch_local_irq_restore+0x1b/0x1b [ 3918.964218] [] ubsan_epilogue+0x12/0x53 [ 3919.006095] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3919.048942] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3919.103323] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3919.173100] [] __dev_set_rx_mode+0x5f/0x2ea [ 3919.222718] [] dev_set_rx_mode+0x2c/0x39 [ 3919.263451] [] __dev_change_flags+0x10b/0x2e9 [ 3919.333203] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3919.415335] [] dev_change_flags+0x89/0x10f [ 3919.512074] [] do_setlink+0xb05/0x2647 [ 3919.544196] [] ? univ8250_console_setup+0x15a/0x15a [ 3919.581697] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3919.629746] [] ? console_unlock+0x6a9/0x6b8 [ 3919.666537] [] ? vprintk_emit+0x636/0x647 [ 3919.705934] [] ? vprintk_default+0x65/0x6e [ 3919.740999] [] ? ubsan_epilogue+0x26/0x53 [ 3919.780353] [] ? arch_local_irq_restore+0x6/0xd [ 3919.818292] [] ? validate_linkmsg+0x462/0x4a0 [ 3919.846314] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3919.885157] [] rtnl_newlink+0x98a/0x1165 [ 3919.920894] [] ? rtnl_newlink+0x4db/0x1165 [ 3919.956619] [] ? rtnl_newlink+0x457/0x1165 [ 3919.992311] [] ? rtnl_link_unregister+0x20d/0x20d [ 3920.038845] [] ? save_stack+0xc4/0xce [ 3920.071918] [] ? save_stack_trace+0x31/0xf1 [ 3920.105568] [] ? save_stack+0x46/0xce [ 3920.142421] [] ? security_capable+0xaa/0xb9 [ 3920.180860] [] ? ns_capable_common+0x149/0x153 [ 3920.217898] [] ? __netlink_ns_capable+0xf3/0xff [ 3920.267619] [] ? rtnl_link_unregister+0x20d/0x20d [ 3920.309876] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3920.345044] [] ? rtnl_newlink+0x1165/0x1165 [ 3920.378415] [] ? mutex_set_owner+0x8e/0xc6 [ 3920.421421] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3920.462084] [] ? rtnl_newlink+0x1165/0x1165 [ 3920.509613] [] netlink_rcv_skb+0x173/0x25b [ 3920.547826] [] rtnetlink_rcv+0x28/0x2f [ 3920.595078] [] netlink_unicast+0x3fc/0x503 [ 3920.650678] [] ? netlink_sendskb+0x35/0x35 [ 3920.704559] [] netlink_sendmsg+0x860/0x877 [ 3920.757489] [] ? netlink_unicast+0x503/0x503 [ 3920.796567] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3920.831373] [] ? netlink_unicast+0x503/0x503 [ 3920.860219] [] sock_sendmsg+0xe9/0x116 [ 3920.886398] [] ? ___sys_sendmsg+0x40c/0x789 [ 3920.932065] [] ___sys_sendmsg+0x5de/0x789 [ 3920.968162] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3921.011060] [] ? vm_normal_page+0x1aa/0x1aa [ 3921.055314] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3921.104607] [] ? compound_head+0x4e/0x56 [ 3921.147256] [] ? handle_mm_fault+0x1e11/0x2102 [ 3921.202383] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3921.257546] [] ? __fget_light+0xe6/0xf0 [ 3921.309606] [] __sys_sendmsg+0xdd/0x167 [ 3921.344968] [] ? __sys_sendmsg+0xdd/0x167 [ 3921.389884] [] ? SyS_shutdown+0x29/0x29 [ 3921.440368] [] SyS_sendmsg+0x3a/0x4f [ 3921.477400] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3921.564689] ================================================================================ [ 3921.658453] ================================================================================ [ 3921.706972] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1744:2 [ 3921.753704] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3921.808318] which requires 64 byte alignment [ 3921.852485] CPU: 3 PID: 296 Comm: kworker/u10:1 Tainted: G L 4.8.11 #1 [ 3921.895096] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3921.958393] Workqueue: writeback wb_workfn (flush-8:0) [ 3922.013490] 00000000ffffffff 00000000dfa0c633 ffff8800a2f8ef18 ffffffffb26ec5cc [ 3922.072986] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3922.132677] ffff880000000010 ffff8800a2f8ef40 ffff8800a2f8eef0 ffffffffb363c3e0 [ 3922.195304] Call Trace: [ 3922.213316] [] dump_stack+0xd7/0x132 [ 3922.238126] [] ? arch_local_irq_restore+0x1b/0x1b [ 3922.289558] [] ubsan_epilogue+0x12/0x53 [ 3922.333878] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3922.374240] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3922.417730] [] ? ubsan_epilogue+0x26/0x53 [ 3922.455834] [] ext4_mb_complex_scan_group+0x58f/0x882 [ 3922.507632] [] ? ext4_mb_try_best_found+0x209/0x209 [ 3922.546868] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3922.595549] [] ? ext4_mb_good_group+0x443/0x453 [ 3922.638460] [] ext4_mb_regular_allocator+0x7de/0xa37 [ 3922.694766] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3922.748395] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3922.815019] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3922.862071] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3922.915422] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3922.965370] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3923.021000] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3923.071085] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3923.126728] [] ? find_get_entry+0x104/0x104 [ 3923.173711] [] ? __put_compound_page+0x77/0x77 [ 3923.206049] [] ? lru_add_drain_cpu+0x310/0x31c [ 3923.282182] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3923.331347] [] ext4_map_blocks+0x815/0xef8 [ 3923.383697] [] ? ext4_issue_zeroout+0x182/0x182 [ 3923.436175] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3923.479573] [] ext4_writepages+0xab5/0x1c84 [ 3923.536291] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3923.579872] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3923.635391] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3923.691750] [] ? ext4_write_inode+0x1cb/0x3ec [ 3923.731768] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3923.769831] [] do_writepages+0xe5/0x10c [ 3923.809446] [] ? do_writepages+0xe5/0x10c [ 3923.844205] [] ? __writeback_single_inode+0xa1/0x8d6 [ 3923.888200] [] __writeback_single_inode+0x11b/0x8d6 [ 3923.929244] [] writeback_sb_inodes+0x623/0xc39 [ 3923.961891] [] ? wbc_detach_inode+0x521/0x521 [ 3924.010104] [] ? queue_io+0x323/0x3e9 [ 3924.045718] [] __writeback_inodes_wb+0x10a/0x1aa [ 3924.087176] [] wb_writeback+0x400/0x7d0 [ 3924.126587] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 3924.169783] [] ? get_nr_inodes_unused+0x105/0x11c [ 3924.199840] [] wb_workfn+0x42f/0x936 [ 3924.231418] [] ? wb_workfn+0x42f/0x936 [ 3924.268124] [] ? inode_wait_for_writeback+0x39/0x39 [ 3924.317481] [] ? wq_nice_show+0xab/0xab [ 3924.356478] [] process_one_work+0x54a/0x88e [ 3924.397636] [] ? create_worker+0x528/0x528 [ 3924.433091] [] ? worker_clr_flags+0x187/0x193 [ 3924.470720] [] worker_thread+0x67c/0x857 [ 3924.504392] [] kthread+0x1f7/0x20b [ 3924.538809] [] ? rescuer_thread+0x91f/0x91f [ 3924.575520] [] ? init_completion+0x48/0x48 [ 3924.608598] [] ret_from_fork+0x1f/0x40 [ 3924.639698] [] ? init_completion+0x48/0x48 [ 3924.678260] ================================================================================ [ 3924.733702] ================================================================================ [ 3924.790381] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3924.815411] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3924.865765] which requires 64 byte alignment [ 3924.894767] CPU: 3 PID: 296 Comm: kworker/u10:1 Tainted: G L 4.8.11 #1 [ 3924.941309] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3924.992655] Workqueue: writeback wb_workfn (flush-8:0) [ 3925.023464] 00000000ffffffff 00000000dfa0c633 ffff8800a2f8ef18 ffffffffb26ec5cc [ 3925.069586] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3925.111255] ffffffff00000010 ffff8800a2f8ef40 ffff8800a2f8eef0 ffffffffb363c3e0 [ 3925.162039] Call Trace: [ 3925.173339] [] dump_stack+0xd7/0x132 [ 3925.198180] [] ? arch_local_irq_restore+0x1b/0x1b [ 3925.242451] [] ubsan_epilogue+0x12/0x53 [ 3925.274161] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3925.313171] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3925.354207] [] ? ubsan_epilogue+0x26/0x53 [ 3925.384046] [] ext4_mb_complex_scan_group+0x5fc/0x882 [ 3925.426033] [] ? ext4_mb_try_best_found+0x209/0x209 [ 3925.460757] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3925.516651] [] ? ext4_mb_good_group+0x443/0x453 [ 3925.551778] [] ext4_mb_regular_allocator+0x7de/0xa37 [ 3925.594223] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3925.627426] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3925.684669] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3925.719032] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3925.766409] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3925.810414] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3925.848329] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3925.883022] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3925.919231] [] ? find_get_entry+0x104/0x104 [ 3925.969018] [] ? __put_compound_page+0x77/0x77 [ 3926.005303] [] ? lru_add_drain_cpu+0x310/0x31c [ 3926.046065] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3926.080121] [] ext4_map_blocks+0x815/0xef8 [ 3926.123949] [] ? ext4_issue_zeroout+0x182/0x182 [ 3926.158851] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3926.201879] [] ext4_writepages+0xab5/0x1c84 [ 3926.227892] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3926.279963] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3926.324281] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3926.391220] [] ? ext4_write_inode+0x1cb/0x3ec [ 3926.438711] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3926.486603] [] do_writepages+0xe5/0x10c [ 3926.520377] [] ? do_writepages+0xe5/0x10c [ 3926.568014] [] ? __writeback_single_inode+0xa1/0x8d6 [ 3926.623690] [] __writeback_single_inode+0x11b/0x8d6 [ 3926.698966] [] writeback_sb_inodes+0x623/0xc39 [ 3926.745637] [] ? wbc_detach_inode+0x521/0x521 [ 3926.801624] [] ? queue_io+0x323/0x3e9 [ 3926.834963] [] __writeback_inodes_wb+0x10a/0x1aa [ 3926.886293] [] wb_writeback+0x400/0x7d0 [ 3926.918662] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 3926.969468] [] ? get_nr_inodes_unused+0x105/0x11c [ 3927.010688] [] wb_workfn+0x42f/0x936 [ 3927.047298] [] ? wb_workfn+0x42f/0x936 [ 3927.084520] [] ? inode_wait_for_writeback+0x39/0x39 [ 3927.124056] [] ? wq_nice_show+0xab/0xab [ 3927.161672] [] process_one_work+0x54a/0x88e [ 3927.195903] [] ? create_worker+0x528/0x528 [ 3927.241922] [] ? worker_clr_flags+0x187/0x193 [ 3927.277809] [] worker_thread+0x67c/0x857 [ 3927.310844] [] kthread+0x1f7/0x20b [ 3927.348512] [] ? rescuer_thread+0x91f/0x91f [ 3927.390143] [] ? init_completion+0x48/0x48 [ 3927.422030] [] ret_from_fork+0x1f/0x40 [ 3927.610369] [] ? init_completion+0x48/0x48 [ 3927.670199] ================================================================================ [ 3927.746010] ================================================================================ [ 3927.811096] UBSAN: Undefined behaviour in net/core/dev.c:1312:31 [ 3927.849656] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3927.919914] which requires 64 byte alignment [ 3927.947099] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3927.985242] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3928.054935] 00000000ffffffff 00000000f797e7aa ffff88005a45f010 ffffffffb26ec5cc [ 3928.102153] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3928.161617] ffff880000000010 ffff88005a45f038 ffff88005a45efe8 ffffffffb363c3e0 [ 3928.216550] Call Trace: [ 3928.235258] [] dump_stack+0xd7/0x132 [ 3928.279148] [] ? arch_local_irq_restore+0x1b/0x1b [ 3928.320255] [] ubsan_epilogue+0x12/0x53 [ 3928.376319] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3928.413379] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3928.464487] [] ? dev_set_rx_mode+0x39/0x39 [ 3928.502885] [] __dev_open+0x30/0x287 [ 3928.537162] [] ? __do_softirq+0x42a/0x59e [ 3928.588164] [] __dev_change_flags+0x137/0x2e9 [ 3928.645012] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3928.708430] [] dev_change_flags+0x89/0x10f [ 3928.744952] [] do_setlink+0xb05/0x2647 [ 3928.779355] [] ? univ8250_console_setup+0x15a/0x15a [ 3928.820273] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3928.860654] [] ? console_unlock+0x6a9/0x6b8 [ 3928.898346] [] ? vprintk_emit+0x636/0x647 [ 3928.936555] [] ? vprintk_default+0x65/0x6e [ 3928.974008] [] ? ubsan_epilogue+0x26/0x53 [ 3929.001664] [] ? arch_local_irq_restore+0x6/0xd [ 3929.048854] [] ? validate_linkmsg+0x462/0x4a0 [ 3929.078070] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3929.116737] [] rtnl_newlink+0x98a/0x1165 [ 3929.158109] [] ? rtnl_newlink+0x4db/0x1165 [ 3929.196623] [] ? rtnl_newlink+0x457/0x1165 [ 3929.229574] [] ? rtnl_link_unregister+0x20d/0x20d [ 3929.269626] [] ? save_stack+0xc4/0xce [ 3929.301317] [] ? save_stack_trace+0x31/0xf1 [ 3929.344635] [] ? save_stack+0x46/0xce [ 3929.375261] [] ? security_capable+0xaa/0xb9 [ 3929.411045] [] ? ns_capable_common+0x149/0x153 [ 3929.449389] [] ? __netlink_ns_capable+0xf3/0xff [ 3929.493553] [] ? rtnl_link_unregister+0x20d/0x20d [ 3929.530126] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3929.573773] [] ? rtnl_newlink+0x1165/0x1165 [ 3929.612909] [] ? mutex_set_owner+0x8e/0xc6 [ 3929.651384] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3929.693001] [] ? rtnl_newlink+0x1165/0x1165 [ 3929.726692] [] netlink_rcv_skb+0x173/0x25b [ 3929.769459] [] rtnetlink_rcv+0x28/0x2f [ 3929.800397] [] netlink_unicast+0x3fc/0x503 [ 3929.836813] [] ? netlink_sendskb+0x35/0x35 [ 3929.870042] [] netlink_sendmsg+0x860/0x877 [ 3929.901729] [] ? netlink_unicast+0x503/0x503 [ 3929.940322] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3929.977732] [] ? netlink_unicast+0x503/0x503 [ 3930.017514] [] sock_sendmsg+0xe9/0x116 [ 3930.049800] [] ? ___sys_sendmsg+0x40c/0x789 [ 3930.093876] [] ___sys_sendmsg+0x5de/0x789 [ 3930.128589] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3930.162025] [] ? vm_normal_page+0x1aa/0x1aa [ 3930.201037] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3930.258960] [] ? compound_head+0x4e/0x56 [ 3930.285576] [] ? handle_mm_fault+0x1e11/0x2102 [ 3930.320946] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3930.368224] [] ? __fget_light+0xe6/0xf0 [ 3930.401415] [] __sys_sendmsg+0xdd/0x167 [ 3930.436957] [] ? __sys_sendmsg+0xdd/0x167 [ 3930.476163] [] ? SyS_shutdown+0x29/0x29 [ 3930.513640] [] SyS_sendmsg+0x3a/0x4f [ 3930.535014] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3930.580928] ================================================================================ [ 3930.633305] ================================================================================ [ 3930.682609] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1745:2 [ 3930.727303] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 3930.779707] which requires 64 byte alignment [ 3930.807319] CPU: 3 PID: 296 Comm: kworker/u10:1 Tainted: G L 4.8.11 #1 [ 3930.853071] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3930.909664] Workqueue: writeback wb_workfn (flush-8:0) [ 3930.943105] 00000000ffffffff 00000000dfa0c633 ffff8800a2f8ef18 ffffffffb26ec5cc [ 3930.988756] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3931.036355] ffff880000000010 ffff8800a2f8ef40 ffff8800a2f8eef0 ffffffffb363c3e0 [ 3931.078067] Call Trace: [ 3931.100285] [] dump_stack+0xd7/0x132 [ 3931.133212] [] ? arch_local_irq_restore+0x1b/0x1b [ 3931.168079] [] ubsan_epilogue+0x12/0x53 [ 3931.199818] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3931.238563] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3931.276484] [] ? ubsan_epilogue+0x26/0x53 [ 3931.317102] [] ext4_mb_complex_scan_group+0x616/0x882 [ 3931.347658] [] ? ext4_mb_try_best_found+0x209/0x209 [ 3931.387716] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3931.436656] [] ? ext4_mb_good_group+0x443/0x453 [ 3931.477296] [] ext4_mb_regular_allocator+0x7de/0xa37 [ 3931.515358] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3931.557476] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3931.602634] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3931.642023] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3931.682718] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3931.739256] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3931.785746] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3931.829850] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3931.909034] [] ? find_get_entry+0x104/0x104 [ 3931.953234] [] ? __put_compound_page+0x77/0x77 [ 3931.995076] [] ? lru_add_drain_cpu+0x310/0x31c [ 3932.035448] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3932.078593] [] ext4_map_blocks+0x815/0xef8 [ 3932.117932] [] ? ext4_issue_zeroout+0x182/0x182 [ 3932.150671] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3932.189446] [] ext4_writepages+0xab5/0x1c84 [ 3932.242969] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3932.291706] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3932.342086] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3932.396952] [] ? ext4_write_inode+0x1cb/0x3ec [ 3932.440687] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3932.494742] [] do_writepages+0xe5/0x10c [ 3932.563585] [] ? do_writepages+0xe5/0x10c [ 3932.613910] [] ? __writeback_single_inode+0xa1/0x8d6 [ 3932.656392] [] __writeback_single_inode+0x11b/0x8d6 [ 3932.699124] [] writeback_sb_inodes+0x623/0xc39 [ 3932.733118] [] ? wbc_detach_inode+0x521/0x521 [ 3932.772126] [] ? queue_io+0x323/0x3e9 [ 3932.802778] [] __writeback_inodes_wb+0x10a/0x1aa [ 3932.845773] [] wb_writeback+0x400/0x7d0 [ 3932.878120] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 3932.921092] [] ? get_nr_inodes_unused+0x105/0x11c [ 3932.954499] [] wb_workfn+0x42f/0x936 [ 3932.993287] [] ? wb_workfn+0x42f/0x936 [ 3933.062410] [] ? inode_wait_for_writeback+0x39/0x39 [ 3933.173849] [] ? wq_nice_show+0xab/0xab [ 3933.267498] [] process_one_work+0x54a/0x88e [ 3933.300757] [] ? create_worker+0x528/0x528 [ 3933.331504] [] ? worker_clr_flags+0x187/0x193 [ 3933.360822] [] worker_thread+0x67c/0x857 [ 3933.399182] [] kthread+0x1f7/0x20b [ 3933.475952] [] ? rescuer_thread+0x91f/0x91f [ 3933.536322] [] ? init_completion+0x48/0x48 [ 3933.628579] [] ret_from_fork+0x1f/0x40 [ 3933.705416] [] ? init_completion+0x48/0x48 [ 3933.835462] ================================================================================ [ 3934.030578] ================================================================================ [ 3934.120694] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 3934.192893] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 3934.332561] which requires 64 byte alignment [ 3934.372924] CPU: 3 PID: 296 Comm: kworker/u10:1 Tainted: G L 4.8.11 #1 [ 3934.473976] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3934.585509] Workqueue: writeback wb_workfn (flush-8:0) [ 3934.648220] 00000000ffffffff 00000000dfa0c633 ffff8800a2f8ee60 ffffffffb26ec5cc [ 3934.760498] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3934.876944] ffffffff00000010 ffff8800a2f8ee88 ffff8800a2f8ee38 ffffffffb363c3e0 [ 3934.988375] Call Trace: [ 3935.025553] [] dump_stack+0xd7/0x132 [ 3935.081098] [] ? arch_local_irq_restore+0x1b/0x1b [ 3935.170940] [] ubsan_epilogue+0x12/0x53 [ 3935.251205] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3935.367215] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3935.430029] [] ext4_mb_check_limits+0xbb/0x384 [ 3935.537834] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3935.606905] [] ? ext4_mb_scan_aligned+0x470/0x470 [ 3935.681184] [] ? ext4_mb_use_best_found+0x3e9/0x3f7 [ 3935.763914] [] ext4_mb_complex_scan_group+0x844/0x882 [ 3935.874282] [] ? ext4_mb_try_best_found+0x209/0x209 [ 3936.049336] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3936.214061] [] ? ext4_mb_good_group+0x443/0x453 [ 3936.342382] [] ext4_mb_regular_allocator+0x7de/0xa37 [ 3936.486794] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 3936.585599] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 3936.797343] [] ext4_mb_new_blocks+0x8eb/0x209c [ 3936.905695] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3937.103497] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3937.422665] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 3937.560538] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 3937.737826] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 3937.886644] [] ? find_get_entry+0x104/0x104 [ 3937.994053] [] ? __put_compound_page+0x77/0x77 [ 3938.086922] [] ? lru_add_drain_cpu+0x310/0x31c [ 3938.186006] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3938.274330] [] ext4_map_blocks+0x815/0xef8 [ 3938.341197] [] ? ext4_issue_zeroout+0x182/0x182 [ 3938.437910] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 3938.506131] [] ext4_writepages+0xab5/0x1c84 [ 3938.539550] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3938.592138] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3938.642635] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3938.696881] [] ? ext4_write_inode+0x1cb/0x3ec [ 3938.735549] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 3938.777493] [] do_writepages+0xe5/0x10c [ 3938.822730] [] ? do_writepages+0xe5/0x10c [ 3938.856177] [] ? __writeback_single_inode+0xa1/0x8d6 [ 3938.904642] [] __writeback_single_inode+0x11b/0x8d6 [ 3938.956224] [] writeback_sb_inodes+0x623/0xc39 [ 3938.989547] [] ? wbc_detach_inode+0x521/0x521 [ 3939.029731] [] ? queue_io+0x323/0x3e9 [ 3939.103671] [] __writeback_inodes_wb+0x10a/0x1aa [ 3939.206353] [] wb_writeback+0x400/0x7d0 [ 3939.275245] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 3939.340031] [] ? get_nr_inodes_unused+0x105/0x11c [ 3939.396217] [] wb_workfn+0x42f/0x936 [ 3939.438065] [] ? wb_workfn+0x42f/0x936 [ 3939.474055] [] ? inode_wait_for_writeback+0x39/0x39 [ 3939.519293] [] ? wq_nice_show+0xab/0xab [ 3939.567767] [] process_one_work+0x54a/0x88e [ 3939.610920] [] ? create_worker+0x528/0x528 [ 3939.656086] [] ? worker_clr_flags+0x187/0x193 [ 3939.701142] [] worker_thread+0x67c/0x857 [ 3939.742335] [] kthread+0x1f7/0x20b [ 3939.781156] [] ? rescuer_thread+0x91f/0x91f [ 3939.814435] [] ? init_completion+0x48/0x48 [ 3939.853902] [] ret_from_fork+0x1f/0x40 [ 3939.889575] [] ? init_completion+0x48/0x48 [ 3939.927110] ================================================================================ [ 3940.006973] ================================================================================ [ 3940.055801] UBSAN: Undefined behaviour in net/core/dev.c:1344:14 [ 3940.112928] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3940.195101] which requires 64 byte alignment [ 3940.222147] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3940.269711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3940.331174] 00000000ffffffff 00000000f797e7aa ffff88005a45f010 ffffffffb26ec5cc [ 3940.356675] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3940.386146] ffff880000000010 ffff88005a45f038 ffff88005a45efe8 ffffffffb363c3e0 [ 3940.413507] Call Trace: [ 3940.420035] [] dump_stack+0xd7/0x132 [ 3940.438262] [] ? arch_local_irq_restore+0x1b/0x1b [ 3940.458337] [] ubsan_epilogue+0x12/0x53 [ 3940.475149] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3940.501065] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3940.523469] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 3940.546679] [] ? dev_set_rx_mode+0x39/0x39 [ 3940.567104] [] __dev_open+0x1ca/0x287 [ 3940.581180] [] ? __do_softirq+0x42a/0x59e [ 3940.598971] [] __dev_change_flags+0x137/0x2e9 [ 3940.618924] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3940.639807] [] dev_change_flags+0x89/0x10f [ 3940.658332] [] do_setlink+0xb05/0x2647 [ 3940.675547] [] ? univ8250_console_setup+0x15a/0x15a [ 3940.697347] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3940.720615] [] ? console_unlock+0x6a9/0x6b8 [ 3940.740055] [] ? vprintk_emit+0x636/0x647 [ 3940.771820] [] ? vprintk_default+0x65/0x6e [ 3940.791912] [] ? ubsan_epilogue+0x26/0x53 [ 3940.808302] [] ? arch_local_irq_restore+0x6/0xd [ 3940.832598] [] ? validate_linkmsg+0x462/0x4a0 [ 3940.854082] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3940.877602] [] rtnl_newlink+0x98a/0x1165 [ 3940.916444] [] ? rtnl_newlink+0x4db/0x1165 [ 3940.938610] [] ? rtnl_newlink+0x457/0x1165 [ 3940.958689] [] ? rtnl_link_unregister+0x20d/0x20d [ 3940.989680] [] ? save_stack+0xc4/0xce [ 3941.003518] [] ? save_stack_trace+0x31/0xf1 [ 3941.024050] [] ? save_stack+0x46/0xce [ 3941.045227] [] ? security_capable+0xaa/0xb9 [ 3941.063095] [] ? ns_capable_common+0x149/0x153 [ 3941.078384] [] ? __netlink_ns_capable+0xf3/0xff [ 3941.098196] [] ? rtnl_link_unregister+0x20d/0x20d [ 3941.136227] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3941.172412] [] ? rtnl_newlink+0x1165/0x1165 [ 3941.194109] [] ? mutex_set_owner+0x8e/0xc6 [ 3941.215577] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3941.238712] [] ? rtnl_newlink+0x1165/0x1165 [ 3941.297833] [] netlink_rcv_skb+0x173/0x25b [ 3941.369681] [] rtnetlink_rcv+0x28/0x2f [ 3941.408346] [] netlink_unicast+0x3fc/0x503 [ 3941.508403] [] ? netlink_sendskb+0x35/0x35 [ 3941.546259] [] netlink_sendmsg+0x860/0x877 [ 3941.592733] [] ? netlink_unicast+0x503/0x503 [ 3941.625193] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3941.659752] [] ? netlink_unicast+0x503/0x503 [ 3941.693651] [] sock_sendmsg+0xe9/0x116 [ 3941.726916] [] ? ___sys_sendmsg+0x40c/0x789 [ 3941.767558] [] ___sys_sendmsg+0x5de/0x789 [ 3941.793677] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3941.828627] [] ? vm_normal_page+0x1aa/0x1aa [ 3941.871493] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3941.908164] [] ? compound_head+0x4e/0x56 [ 3941.942337] [] ? handle_mm_fault+0x1e11/0x2102 [ 3941.999557] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3942.048666] [] ? __fget_light+0xe6/0xf0 [ 3942.076849] [] __sys_sendmsg+0xdd/0x167 [ 3942.115929] [] ? __sys_sendmsg+0xdd/0x167 [ 3942.146623] [] ? SyS_shutdown+0x29/0x29 [ 3942.188988] [] SyS_sendmsg+0x3a/0x4f [ 3942.222301] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3942.259751] ================================================================================ [ 3942.296151] ================================================================================ [ 3942.375254] UBSAN: Undefined behaviour in net/core/dev.c:1344:14 [ 3942.460323] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3942.576599] which requires 64 byte alignment [ 3942.606107] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3942.638899] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3942.687677] 00000000ffffffff 00000000f797e7aa ffff88005a45f010 ffffffffb26ec5cc [ 3942.724788] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3942.808533] ffff880000000010 ffff88005a45f038 ffff88005a45efe8 ffffffffb363c3e0 [ 3942.852112] Call Trace: [ 3942.863016] [] dump_stack+0xd7/0x132 [ 3942.891459] [] ? arch_local_irq_restore+0x1b/0x1b [ 3942.923815] [] ubsan_epilogue+0x12/0x53 [ 3942.942210] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3942.976628] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3943.006437] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 3943.037523] [] ? dev_set_rx_mode+0x39/0x39 [ 3943.059300] [] __dev_open+0x1fa/0x287 [ 3943.076039] [] ? __do_softirq+0x42a/0x59e [ 3943.094179] [] __dev_change_flags+0x137/0x2e9 [ 3943.121458] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3943.149931] [] dev_change_flags+0x89/0x10f [ 3943.170377] [] do_setlink+0xb05/0x2647 [ 3943.187289] [] ? univ8250_console_setup+0x15a/0x15a [ 3943.208644] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3943.228394] [] ? console_unlock+0x6a9/0x6b8 [ 3943.250270] [] ? vprintk_emit+0x636/0x647 [ 3943.269302] [] ? vprintk_default+0x65/0x6e [ 3943.291387] [] ? ubsan_epilogue+0x26/0x53 [ 3943.315515] [] ? arch_local_irq_restore+0x6/0xd [ 3943.342701] [] ? validate_linkmsg+0x462/0x4a0 [ 3943.378038] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3943.415488] [] rtnl_newlink+0x98a/0x1165 [ 3943.445328] [] ? rtnl_newlink+0x4db/0x1165 [ 3943.473030] [] ? rtnl_newlink+0x457/0x1165 [ 3943.504609] [] ? rtnl_link_unregister+0x20d/0x20d [ 3943.532217] [] ? save_stack+0xc4/0xce [ 3943.556115] [] ? save_stack_trace+0x31/0xf1 [ 3943.582650] [] ? save_stack+0x46/0xce [ 3943.601943] [] ? security_capable+0xaa/0xb9 [ 3943.713282] [] ? ns_capable_common+0x149/0x153 [ 3943.736623] [] ? __netlink_ns_capable+0xf3/0xff [ 3943.769075] [] ? rtnl_link_unregister+0x20d/0x20d [ 3943.795579] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3943.820494] [] ? rtnl_newlink+0x1165/0x1165 [ 3943.842376] [] ? mutex_set_owner+0x8e/0xc6 [ 3943.871369] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3943.901845] [] ? rtnl_newlink+0x1165/0x1165 [ 3943.934191] [] netlink_rcv_skb+0x173/0x25b [ 3943.963755] [] rtnetlink_rcv+0x28/0x2f [ 3943.988503] [] netlink_unicast+0x3fc/0x503 [ 3944.013862] [] ? netlink_sendskb+0x35/0x35 [ 3944.039348] [] netlink_sendmsg+0x860/0x877 [ 3944.065361] [] ? netlink_unicast+0x503/0x503 [ 3944.091026] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3944.112510] [] ? netlink_unicast+0x503/0x503 [ 3944.135647] [] sock_sendmsg+0xe9/0x116 [ 3944.155040] [] ? ___sys_sendmsg+0x40c/0x789 [ 3944.173338] [] ___sys_sendmsg+0x5de/0x789 [ 3944.191396] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3944.211316] [] ? vm_normal_page+0x1aa/0x1aa [ 3944.229425] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3944.253503] [] ? compound_head+0x4e/0x56 [ 3944.271205] [] ? handle_mm_fault+0x1e11/0x2102 [ 3944.289510] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3944.307958] [] ? __fget_light+0xe6/0xf0 [ 3944.321535] [] __sys_sendmsg+0xdd/0x167 [ 3944.339489] [] ? __sys_sendmsg+0xdd/0x167 [ 3944.360789] [] ? SyS_shutdown+0x29/0x29 [ 3944.379800] [] SyS_sendmsg+0x3a/0x4f [ 3944.396200] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3944.419375] ================================================================================ [ 3944.446135] ================================================================================ [ 3944.478584] UBSAN: Undefined behaviour in net/core/dev.c:6308:11 [ 3944.503694] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3944.539770] which requires 64 byte alignment [ 3944.560563] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3944.589356] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3944.623058] 00000000ffffffff 00000000f797e7aa ffff88005a45efb8 ffffffffb26ec5cc [ 3944.655260] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3944.681059] 0000000000000010 ffff88005a45efe0 ffff88005a45ef90 ffffffffb363c3e0 [ 3944.708964] Call Trace: [ 3944.721026] [] dump_stack+0xd7/0x132 [ 3944.738530] [] ? arch_local_irq_restore+0x1b/0x1b [ 3944.765157] [] ubsan_epilogue+0x12/0x53 [ 3944.786894] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3944.811485] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3944.835815] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3944.859363] [] ? dev_set_rx_mode+0x39/0x39 [ 3944.881734] [] __dev_set_rx_mode+0xcd/0x2ea [ 3944.900007] [] ? dev_set_rx_mode+0x39/0x39 [ 3944.920567] [] dev_set_rx_mode+0x2c/0x39 [ 3944.937719] [] __dev_open+0x209/0x287 [ 3944.956417] [] ? __do_softirq+0x42a/0x59e [ 3944.973279] [] __dev_change_flags+0x137/0x2e9 [ 3944.992697] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3945.018521] [] dev_change_flags+0x89/0x10f [ 3945.036556] [] do_setlink+0xb05/0x2647 [ 3945.057532] [] ? univ8250_console_setup+0x15a/0x15a [ 3945.083639] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3945.102813] [] ? console_unlock+0x6a9/0x6b8 [ 3945.122349] [] ? vprintk_emit+0x636/0x647 [ 3945.142670] [] ? vprintk_default+0x65/0x6e [ 3945.162573] [] ? ubsan_epilogue+0x26/0x53 [ 3945.187061] [] ? arch_local_irq_restore+0x6/0xd [ 3945.205200] [] ? validate_linkmsg+0x462/0x4a0 [ 3945.227535] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3945.245135] [] rtnl_newlink+0x98a/0x1165 [ 3945.269446] [] ? rtnl_newlink+0x4db/0x1165 [ 3945.287503] [] ? rtnl_newlink+0x457/0x1165 [ 3945.302784] [] ? rtnl_link_unregister+0x20d/0x20d [ 3945.323740] [] ? save_stack+0xc4/0xce [ 3945.340628] [] ? save_stack_trace+0x31/0xf1 [ 3945.362157] [] ? save_stack+0x46/0xce [ 3945.390260] [] ? security_capable+0xaa/0xb9 [ 3945.431327] [] ? ns_capable_common+0x149/0x153 [ 3945.451864] [] ? __netlink_ns_capable+0xf3/0xff [ 3945.469892] [] ? rtnl_link_unregister+0x20d/0x20d [ 3945.490080] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3945.507510] [] ? rtnl_newlink+0x1165/0x1165 [ 3945.523419] [] ? mutex_set_owner+0x8e/0xc6 [ 3945.544618] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3945.568593] [] ? rtnl_newlink+0x1165/0x1165 [ 3945.588769] [] netlink_rcv_skb+0x173/0x25b [ 3945.606194] [] rtnetlink_rcv+0x28/0x2f [ 3945.621446] [] netlink_unicast+0x3fc/0x503 [ 3945.640206] [] ? netlink_sendskb+0x35/0x35 [ 3945.661371] [] netlink_sendmsg+0x860/0x877 [ 3945.680041] [] ? netlink_unicast+0x503/0x503 [ 3945.699620] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3945.720211] [] ? netlink_unicast+0x503/0x503 [ 3945.737275] [] sock_sendmsg+0xe9/0x116 [ 3945.753769] [] ? ___sys_sendmsg+0x40c/0x789 [ 3945.775532] [] ___sys_sendmsg+0x5de/0x789 [ 3945.792055] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3945.809499] [] ? vm_normal_page+0x1aa/0x1aa [ 3945.827964] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3945.852687] [] ? compound_head+0x4e/0x56 [ 3945.868309] [] ? handle_mm_fault+0x1e11/0x2102 [ 3945.889876] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3945.906930] [] ? __fget_light+0xe6/0xf0 [ 3945.922305] [] __sys_sendmsg+0xdd/0x167 [ 3945.938510] [] ? __sys_sendmsg+0xdd/0x167 [ 3945.954809] [] ? SyS_shutdown+0x29/0x29 [ 3945.971980] [] SyS_sendmsg+0x3a/0x4f [ 3945.988833] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3946.006363] ================================================================================ [ 3946.035513] ================================================================================ [ 3946.058358] UBSAN: Undefined behaviour in net/core/dev.c:6312:8 [ 3946.076974] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3946.105507] which requires 64 byte alignment [ 3946.118941] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3946.138991] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3946.177730] 00000000ffffffff 00000000f797e7aa ffff88005a45efb8 ffffffffb26ec5cc [ 3946.200643] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3946.223630] ffffffff00000010 ffff88005a45efe0 ffff88005a45ef90 ffffffffb363c3e0 [ 3946.247646] Call Trace: [ 3946.258427] [] dump_stack+0xd7/0x132 [ 3946.272818] [] ? arch_local_irq_restore+0x1b/0x1b [ 3946.292841] [] ubsan_epilogue+0x12/0x53 [ 3946.309240] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3946.329646] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3946.353352] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3946.377469] [] ? dev_set_rx_mode+0x39/0x39 [ 3946.397020] [] __dev_set_rx_mode+0x104/0x2ea [ 3946.415988] [] ? dev_set_rx_mode+0x39/0x39 [ 3946.434234] [] dev_set_rx_mode+0x2c/0x39 [ 3946.456539] [] __dev_open+0x209/0x287 [ 3946.472927] [] ? __do_softirq+0x42a/0x59e [ 3946.495043] [] __dev_change_flags+0x137/0x2e9 [ 3946.512289] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3946.533795] [] dev_change_flags+0x89/0x10f [ 3946.553418] [] do_setlink+0xb05/0x2647 [ 3946.571100] [] ? univ8250_console_setup+0x15a/0x15a [ 3946.592044] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3946.616352] [] ? console_unlock+0x6a9/0x6b8 [ 3946.631812] [] ? vprintk_emit+0x636/0x647 [ 3946.653451] [] ? vprintk_default+0x65/0x6e [ 3946.669316] [] ? ubsan_epilogue+0x26/0x53 [ 3946.686890] [] ? arch_local_irq_restore+0x6/0xd [ 3946.705632] [] ? validate_linkmsg+0x462/0x4a0 [ 3946.723492] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3946.740405] [] rtnl_newlink+0x98a/0x1165 [ 3946.758635] [] ? rtnl_newlink+0x4db/0x1165 [ 3946.776241] [] ? rtnl_newlink+0x457/0x1165 [ 3946.793484] [] ? rtnl_link_unregister+0x20d/0x20d [ 3946.814530] [] ? save_stack+0xc4/0xce [ 3946.832196] [] ? save_stack_trace+0x31/0xf1 [ 3946.849842] [] ? save_stack+0x46/0xce [ 3946.878891] [] ? security_capable+0xaa/0xb9 [ 3946.899492] [] ? ns_capable_common+0x149/0x153 [ 3946.917810] [] ? __netlink_ns_capable+0xf3/0xff [ 3946.938199] [] ? rtnl_link_unregister+0x20d/0x20d [ 3946.957547] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3946.976929] [] ? rtnl_newlink+0x1165/0x1165 [ 3946.999814] [] ? mutex_set_owner+0x8e/0xc6 [ 3947.018078] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3947.037933] [] ? rtnl_newlink+0x1165/0x1165 [ 3947.057802] [] netlink_rcv_skb+0x173/0x25b [ 3947.072292] [] rtnetlink_rcv+0x28/0x2f [ 3947.087646] [] netlink_unicast+0x3fc/0x503 [ 3947.104139] [] ? netlink_sendskb+0x35/0x35 [ 3947.119594] [] netlink_sendmsg+0x860/0x877 [ 3947.138810] [] ? netlink_unicast+0x503/0x503 [ 3947.158774] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3947.178459] [] ? netlink_unicast+0x503/0x503 [ 3947.196822] [] sock_sendmsg+0xe9/0x116 [ 3947.213765] [] ? ___sys_sendmsg+0x40c/0x789 [ 3947.233450] [] ___sys_sendmsg+0x5de/0x789 [ 3947.254903] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3947.272187] [] ? vm_normal_page+0x1aa/0x1aa [ 3947.292166] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3947.312435] [] ? compound_head+0x4e/0x56 [ 3947.328455] [] ? handle_mm_fault+0x1e11/0x2102 [ 3947.346497] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3947.368699] [] ? __fget_light+0xe6/0xf0 [ 3947.387364] [] __sys_sendmsg+0xdd/0x167 [ 3947.403945] [] ? __sys_sendmsg+0xdd/0x167 [ 3947.421802] [] ? SyS_shutdown+0x29/0x29 [ 3947.438791] [] SyS_sendmsg+0x3a/0x4f [ 3947.456241] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3947.477307] ================================================================================ [ 3947.503026] ================================================================================ [ 3947.527960] UBSAN: Undefined behaviour in net/core/dev.c:6315:14 [ 3947.545047] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3947.574169] which requires 64 byte alignment [ 3947.588174] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3947.611519] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3947.639473] 00000000ffffffff 00000000f797e7aa ffff88005a45efb8 ffffffffb26ec5cc [ 3947.667230] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3947.689714] ffffffff00000010 ffff88005a45efe0 ffff88005a45ef90 ffffffffb363c3e0 [ 3947.708910] Call Trace: [ 3947.717081] [] dump_stack+0xd7/0x132 [ 3947.733252] [] ? arch_local_irq_restore+0x1b/0x1b [ 3947.755718] [] ubsan_epilogue+0x12/0x53 [ 3947.771735] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3947.791723] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3947.813914] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3947.837391] [] __dev_set_rx_mode+0x1d9/0x2ea [ 3947.856169] [] ? dev_set_rx_mode+0x39/0x39 [ 3947.876220] [] dev_set_rx_mode+0x2c/0x39 [ 3947.894069] [] __dev_open+0x209/0x287 [ 3947.912043] [] ? __do_softirq+0x42a/0x59e [ 3947.932315] [] __dev_change_flags+0x137/0x2e9 [ 3947.950779] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3947.972790] [] dev_change_flags+0x89/0x10f [ 3947.990680] [] do_setlink+0xb05/0x2647 [ 3948.005274] [] ? univ8250_console_setup+0x15a/0x15a [ 3948.024623] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3948.044214] [] ? console_unlock+0x6a9/0x6b8 [ 3948.063734] [] ? vprintk_emit+0x636/0x647 [ 3948.078589] [] ? vprintk_default+0x65/0x6e [ 3948.096308] [] ? ubsan_epilogue+0x26/0x53 [ 3948.115158] [] ? arch_local_irq_restore+0x6/0xd [ 3948.136459] [] ? validate_linkmsg+0x462/0x4a0 [ 3948.154755] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3948.171547] [] rtnl_newlink+0x98a/0x1165 [ 3948.189934] [] ? rtnl_newlink+0x4db/0x1165 [ 3948.207024] [] ? rtnl_newlink+0x457/0x1165 [ 3948.222237] [] ? rtnl_link_unregister+0x20d/0x20d [ 3948.242225] [] ? save_stack+0xc4/0xce [ 3948.260571] [] ? save_stack_trace+0x31/0xf1 [ 3948.278243] [] ? save_stack+0x46/0xce [ 3948.293060] [] ? security_capable+0xaa/0xb9 [ 3948.311279] [] ? ns_capable_common+0x149/0x153 [ 3948.329468] [] ? __netlink_ns_capable+0xf3/0xff [ 3948.346715] [] ? rtnl_link_unregister+0x20d/0x20d [ 3948.367954] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3948.387621] [] ? rtnl_newlink+0x1165/0x1165 [ 3948.408678] [] ? mutex_set_owner+0x8e/0xc6 [ 3948.427163] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3948.451909] [] ? rtnl_newlink+0x1165/0x1165 [ 3948.471863] [] netlink_rcv_skb+0x173/0x25b [ 3948.489454] [] rtnetlink_rcv+0x28/0x2f [ 3948.507641] [] netlink_unicast+0x3fc/0x503 [ 3948.522252] [] ? netlink_sendskb+0x35/0x35 [ 3948.540178] [] netlink_sendmsg+0x860/0x877 [ 3948.561959] [] ? netlink_unicast+0x503/0x503 [ 3948.578724] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3948.601799] [] ? netlink_unicast+0x503/0x503 [ 3948.620409] [] sock_sendmsg+0xe9/0x116 [ 3948.637052] [] ? ___sys_sendmsg+0x40c/0x789 [ 3948.654378] [] ___sys_sendmsg+0x5de/0x789 [ 3948.674590] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3948.690745] [] ? vm_normal_page+0x1aa/0x1aa [ 3948.709658] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3948.729676] [] ? compound_head+0x4e/0x56 [ 3948.743658] [] ? handle_mm_fault+0x1e11/0x2102 [ 3948.762531] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3948.780235] [] ? __fget_light+0xe6/0xf0 [ 3948.795329] [] __sys_sendmsg+0xdd/0x167 [ 3948.811157] [] ? __sys_sendmsg+0xdd/0x167 [ 3948.829170] [] ? SyS_shutdown+0x29/0x29 [ 3948.845662] [] SyS_sendmsg+0x3a/0x4f [ 3948.866421] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3948.886290] ================================================================================ [ 3948.910371] ================================================================================ [ 3948.938149] UBSAN: Undefined behaviour in net/core/dev.c:6315:41 [ 3948.958530] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3948.986183] which requires 64 byte alignment [ 3949.000680] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3949.022704] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3949.053649] 00000000ffffffff 00000000f797e7aa ffff88005a45efb8 ffffffffb26ec5cc [ 3949.077226] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3949.099132] ffffffff00000010 ffff88005a45efe0 ffff88005a45ef90 ffffffffb363c3e0 [ 3949.119148] Call Trace: [ 3949.128135] [] dump_stack+0xd7/0x132 [ 3949.142369] [] ? arch_local_irq_restore+0x1b/0x1b [ 3949.165522] [] ubsan_epilogue+0x12/0x53 [ 3949.183101] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3949.205877] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3949.225145] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3949.245622] [] __dev_set_rx_mode+0x20c/0x2ea [ 3949.266046] [] ? dev_set_rx_mode+0x39/0x39 [ 3949.282043] [] dev_set_rx_mode+0x2c/0x39 [ 3949.296569] [] __dev_open+0x209/0x287 [ 3949.318062] [] ? __do_softirq+0x42a/0x59e [ 3949.333168] [] __dev_change_flags+0x137/0x2e9 [ 3949.356079] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3949.377817] [] dev_change_flags+0x89/0x10f [ 3949.396265] [] do_setlink+0xb05/0x2647 [ 3949.412831] [] ? univ8250_console_setup+0x15a/0x15a [ 3949.431188] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3949.459352] [] ? console_unlock+0x6a9/0x6b8 [ 3949.477058] [] ? vprintk_emit+0x636/0x647 [ 3949.495439] [] ? vprintk_default+0x65/0x6e [ 3949.510979] [] ? ubsan_epilogue+0x26/0x53 [ 3949.528648] [] ? arch_local_irq_restore+0x6/0xd [ 3949.548829] [] ? validate_linkmsg+0x462/0x4a0 [ 3949.569887] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3949.587566] [] rtnl_newlink+0x98a/0x1165 [ 3949.608511] [] ? rtnl_newlink+0x4db/0x1165 [ 3949.626177] [] ? rtnl_newlink+0x457/0x1165 [ 3949.643001] [] ? rtnl_link_unregister+0x20d/0x20d [ 3949.663991] [] ? save_stack+0xc4/0xce [ 3949.679806] [] ? save_stack_trace+0x31/0xf1 [ 3949.699798] [] ? save_stack+0x46/0xce [ 3949.716058] [] ? security_capable+0xaa/0xb9 [ 3949.731572] [] ? ns_capable_common+0x149/0x153 [ 3949.752862] [] ? __netlink_ns_capable+0xf3/0xff [ 3949.772058] [] ? rtnl_link_unregister+0x20d/0x20d [ 3949.793985] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3949.810743] [] ? rtnl_newlink+0x1165/0x1165 [ 3949.829161] [] ? mutex_set_owner+0x8e/0xc6 [ 3949.844871] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3949.866858] [] ? rtnl_newlink+0x1165/0x1165 [ 3949.885430] [] netlink_rcv_skb+0x173/0x25b [ 3949.903950] [] rtnetlink_rcv+0x28/0x2f [ 3949.919317] [] netlink_unicast+0x3fc/0x503 [ 3949.937044] [] ? netlink_sendskb+0x35/0x35 [ 3949.956290] [] netlink_sendmsg+0x860/0x877 [ 3949.975809] [] ? netlink_unicast+0x503/0x503 [ 3949.992278] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3950.011253] [] ? netlink_unicast+0x503/0x503 [ 3950.027947] [] sock_sendmsg+0xe9/0x116 [ 3950.043081] [] ? ___sys_sendmsg+0x40c/0x789 [ 3950.062732] [] ___sys_sendmsg+0x5de/0x789 [ 3950.081132] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3950.101428] [] ? vm_normal_page+0x1aa/0x1aa [ 3950.121378] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3950.141935] [] ? compound_head+0x4e/0x56 [ 3950.160640] [] ? handle_mm_fault+0x1e11/0x2102 [ 3950.180005] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3950.198013] [] ? __fget_light+0xe6/0xf0 [ 3950.215994] [] __sys_sendmsg+0xdd/0x167 [ 3950.233706] [] ? __sys_sendmsg+0xdd/0x167 [ 3950.253004] [] ? SyS_shutdown+0x29/0x29 [ 3950.271976] [] SyS_sendmsg+0x3a/0x4f [ 3950.290719] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3950.307935] ================================================================================ [ 3950.331086] ================================================================================ [ 3950.359942] UBSAN: Undefined behaviour in net/sched/sch_generic.c:820:9 [ 3950.381073] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3950.407217] which requires 64 byte alignment [ 3950.418131] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3950.438252] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3950.468058] 00000000ffffffff 00000000f797e7aa ffff88005a45ef78 ffffffffb26ec5cc [ 3950.489577] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3950.515321] 1ffff10000000010 ffff88005a45efa0 ffff88005a45ef50 ffffffffb363c3e0 [ 3950.539326] Call Trace: [ 3950.547757] [] dump_stack+0xd7/0x132 [ 3950.565599] [] ? arch_local_irq_restore+0x1b/0x1b [ 3950.586235] [] ubsan_epilogue+0x12/0x53 [ 3950.603588] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3950.625674] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3950.647096] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3950.671044] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3950.692407] [] dev_activate+0x8a/0x42b [ 3950.708581] [] ? qdisc_create_dflt+0x14e/0x14e [ 3950.728232] [] ? do_softirq+0x3d/0x40 [ 3950.742485] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3950.762742] [] ? dev_set_rx_mode+0x39/0x39 [ 3950.782104] [] __dev_open+0x211/0x287 [ 3950.798620] [] ? __do_softirq+0x42a/0x59e [ 3950.816813] [] __dev_change_flags+0x137/0x2e9 [ 3950.832814] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3950.857437] [] dev_change_flags+0x89/0x10f [ 3950.873020] [] do_setlink+0xb05/0x2647 [ 3950.891993] [] ? univ8250_console_setup+0x15a/0x15a [ 3950.911953] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3950.931830] [] ? console_unlock+0x6a9/0x6b8 [ 3950.952845] [] ? vprintk_emit+0x636/0x647 [ 3950.970099] [] ? vprintk_default+0x65/0x6e [ 3950.986684] [] ? ubsan_epilogue+0x26/0x53 [ 3951.007658] [] ? arch_local_irq_restore+0x6/0xd [ 3951.025821] [] ? validate_linkmsg+0x462/0x4a0 [ 3951.041627] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3951.061107] [] rtnl_newlink+0x98a/0x1165 [ 3951.078736] [] ? rtnl_newlink+0x4db/0x1165 [ 3951.093472] [] ? rtnl_newlink+0x457/0x1165 [ 3951.111342] [] ? rtnl_link_unregister+0x20d/0x20d [ 3951.130825] [] ? save_stack+0xc4/0xce [ 3951.150487] [] ? save_stack_trace+0x31/0xf1 [ 3951.167461] [] ? save_stack+0x46/0xce [ 3951.183209] [] ? security_capable+0xaa/0xb9 [ 3951.198917] [] ? ns_capable_common+0x149/0x153 [ 3951.216839] [] ? __netlink_ns_capable+0xf3/0xff [ 3951.233795] [] ? rtnl_link_unregister+0x20d/0x20d [ 3951.256701] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3951.272918] [] ? rtnl_newlink+0x1165/0x1165 [ 3951.291322] [] ? mutex_set_owner+0x8e/0xc6 [ 3951.310142] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3951.330361] [] ? rtnl_newlink+0x1165/0x1165 [ 3951.347541] [] netlink_rcv_skb+0x173/0x25b [ 3951.366334] [] rtnetlink_rcv+0x28/0x2f [ 3951.381538] [] netlink_unicast+0x3fc/0x503 [ 3951.398216] [] ? netlink_sendskb+0x35/0x35 [ 3951.415106] [] netlink_sendmsg+0x860/0x877 [ 3951.431287] [] ? netlink_unicast+0x503/0x503 [ 3951.451587] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3951.470777] [] ? netlink_unicast+0x503/0x503 [ 3951.488231] [] sock_sendmsg+0xe9/0x116 [ 3951.505329] [] ? ___sys_sendmsg+0x40c/0x789 [ 3951.521116] [] ___sys_sendmsg+0x5de/0x789 [ 3951.538306] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3951.561030] [] ? vm_normal_page+0x1aa/0x1aa [ 3951.577692] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3951.597565] [] ? compound_head+0x4e/0x56 [ 3951.614261] [] ? handle_mm_fault+0x1e11/0x2102 [ 3951.631027] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3951.650851] [] ? __fget_light+0xe6/0xf0 [ 3951.668076] [] __sys_sendmsg+0xdd/0x167 [ 3951.685223] [] ? __sys_sendmsg+0xdd/0x167 [ 3951.700115] [] ? SyS_shutdown+0x29/0x29 [ 3951.716577] [] SyS_sendmsg+0x3a/0x4f [ 3951.731473] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3951.752135] ================================================================================ [ 3951.778040] ================================================================================ [ 3951.806127] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:1949:13 [ 3951.825398] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 3951.856086] which requires 64 byte alignment [ 3951.867855] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3951.890050] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3951.913265] 00000000ffffffff 00000000f797e7aa ffff88005a45ef78 ffffffffb26ec5cc [ 3951.938312] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3951.961775] ffffffff00000010 ffff88005a45efa0 ffff88005a45ef50 ffffffffb363c3e0 [ 3951.986321] Call Trace: [ 3951.991943] [] dump_stack+0xd7/0x132 [ 3952.008442] [] ? arch_local_irq_restore+0x1b/0x1b [ 3952.027017] [] ubsan_epilogue+0x12/0x53 [ 3952.043962] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3952.067297] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3952.090204] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3952.112162] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3952.135342] [] dev_activate+0xc8/0x42b [ 3952.155983] [] ? qdisc_create_dflt+0x14e/0x14e [ 3952.171727] [] ? do_softirq+0x3d/0x40 [ 3952.190901] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3952.210256] [] ? dev_set_rx_mode+0x39/0x39 [ 3952.230740] [] __dev_open+0x211/0x287 [ 3952.250304] [] ? __do_softirq+0x42a/0x59e [ 3952.268841] [] __dev_change_flags+0x137/0x2e9 [ 3952.287581] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3952.310760] [] dev_change_flags+0x89/0x10f [ 3952.327296] [] do_setlink+0xb05/0x2647 [ 3952.343009] [] ? univ8250_console_setup+0x15a/0x15a [ 3952.365635] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3952.387491] [] ? console_unlock+0x6a9/0x6b8 [ 3952.406119] [] ? vprintk_emit+0x636/0x647 [ 3952.421904] [] ? vprintk_default+0x65/0x6e [ 3952.436533] [] ? ubsan_epilogue+0x26/0x53 [ 3952.458619] [] ? arch_local_irq_restore+0x6/0xd [ 3952.476088] [] ? validate_linkmsg+0x462/0x4a0 [ 3952.491522] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3952.507214] [] rtnl_newlink+0x98a/0x1165 [ 3952.521565] [] ? rtnl_newlink+0x4db/0x1165 [ 3952.540158] [] ? rtnl_newlink+0x457/0x1165 [ 3952.563170] [] ? rtnl_link_unregister+0x20d/0x20d [ 3952.580895] [] ? save_stack+0xc4/0xce [ 3952.595795] [] ? save_stack_trace+0x31/0xf1 [ 3952.613149] [] ? save_stack+0x46/0xce [ 3952.629530] [] ? security_capable+0xaa/0xb9 [ 3952.646650] [] ? ns_capable_common+0x149/0x153 [ 3952.668057] [] ? __netlink_ns_capable+0xf3/0xff [ 3952.686411] [] ? rtnl_link_unregister+0x20d/0x20d [ 3952.704797] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3952.720227] [] ? rtnl_newlink+0x1165/0x1165 [ 3952.737464] [] ? mutex_set_owner+0x8e/0xc6 [ 3952.757373] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3952.776975] [] ? rtnl_newlink+0x1165/0x1165 [ 3952.795588] [] netlink_rcv_skb+0x173/0x25b [ 3952.812341] [] rtnetlink_rcv+0x28/0x2f [ 3952.828954] [] netlink_unicast+0x3fc/0x503 [ 3952.846114] [] ? netlink_sendskb+0x35/0x35 [ 3952.866074] [] netlink_sendmsg+0x860/0x877 [ 3952.886550] [] ? netlink_unicast+0x503/0x503 [ 3952.901964] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3952.920199] [] ? netlink_unicast+0x503/0x503 [ 3952.938083] [] sock_sendmsg+0xe9/0x116 [ 3952.955718] [] ? ___sys_sendmsg+0x40c/0x789 [ 3952.970654] [] ___sys_sendmsg+0x5de/0x789 [ 3952.988811] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3953.007999] [] ? vm_normal_page+0x1aa/0x1aa [ 3953.022735] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3953.042913] [] ? compound_head+0x4e/0x56 [ 3953.064203] [] ? handle_mm_fault+0x1e11/0x2102 [ 3953.083439] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3953.101496] [] ? __fget_light+0xe6/0xf0 [ 3953.114097] [] __sys_sendmsg+0xdd/0x167 [ 3953.130405] [] ? __sys_sendmsg+0xdd/0x167 [ 3953.148512] [] ? SyS_shutdown+0x29/0x29 [ 3953.166136] [] SyS_sendmsg+0x3a/0x4f [ 3953.185144] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3953.204005] ================================================================================ [ 3953.229287] ================================================================================ [ 3953.257322] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:3214:12 [ 3953.275734] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 3953.303945] which requires 64 byte alignment [ 3953.315745] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3953.335800] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3953.368634] 00000000ffffffff 00000000f797e7aa ffff88005a45ef78 ffffffffb26ec5cc [ 3953.392884] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3953.416610] ffffffff00000010 ffff88005a45efa0 ffff88005a45ef50 ffffffffb363c3e0 [ 3953.438716] Call Trace: [ 3953.447787] [] dump_stack+0xd7/0x132 [ 3953.464594] [] ? arch_local_irq_restore+0x1b/0x1b [ 3953.482683] [] ubsan_epilogue+0x12/0x53 [ 3953.499245] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3953.519478] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3953.539258] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3953.564200] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3953.588874] [] dev_activate+0xf4/0x42b [ 3953.606347] [] ? qdisc_create_dflt+0x14e/0x14e [ 3953.623630] [] ? do_softirq+0x3d/0x40 [ 3953.639807] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3953.661410] [] ? dev_set_rx_mode+0x39/0x39 [ 3953.679001] [] __dev_open+0x211/0x287 [ 3953.695380] [] ? __do_softirq+0x42a/0x59e [ 3953.711938] [] __dev_change_flags+0x137/0x2e9 [ 3953.729422] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3953.756485] [] dev_change_flags+0x89/0x10f [ 3953.771491] [] do_setlink+0xb05/0x2647 [ 3953.786961] [] ? univ8250_console_setup+0x15a/0x15a [ 3953.809421] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3953.827786] [] ? console_unlock+0x6a9/0x6b8 [ 3953.847950] [] ? vprintk_emit+0x636/0x647 [ 3953.865513] [] ? vprintk_default+0x65/0x6e [ 3953.882043] [] ? ubsan_epilogue+0x26/0x53 [ 3953.898309] [] ? arch_local_irq_restore+0x6/0xd [ 3953.917369] [] ? validate_linkmsg+0x462/0x4a0 [ 3953.935017] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3953.955955] [] rtnl_newlink+0x98a/0x1165 [ 3953.972255] [] ? rtnl_newlink+0x4db/0x1165 [ 3953.988902] [] ? rtnl_newlink+0x457/0x1165 [ 3954.007164] [] ? rtnl_link_unregister+0x20d/0x20d [ 3954.025329] [] ? save_stack+0xc4/0xce [ 3954.039729] [] ? save_stack_trace+0x31/0xf1 [ 3954.058783] [] ? save_stack+0x46/0xce [ 3954.073167] [] ? security_capable+0xaa/0xb9 [ 3954.090039] [] ? ns_capable_common+0x149/0x153 [ 3954.108858] [] ? __netlink_ns_capable+0xf3/0xff [ 3954.128108] [] ? rtnl_link_unregister+0x20d/0x20d [ 3954.150497] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3954.168897] [] ? rtnl_newlink+0x1165/0x1165 [ 3954.189736] [] ? mutex_set_owner+0x8e/0xc6 [ 3954.206242] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3954.227341] [] ? rtnl_newlink+0x1165/0x1165 [ 3954.243591] [] netlink_rcv_skb+0x173/0x25b [ 3954.262829] [] rtnetlink_rcv+0x28/0x2f [ 3954.278903] [] netlink_unicast+0x3fc/0x503 [ 3954.296329] [] ? netlink_sendskb+0x35/0x35 [ 3954.312824] [] netlink_sendmsg+0x860/0x877 [ 3954.330734] [] ? netlink_unicast+0x503/0x503 [ 3954.351244] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3954.368742] [] ? netlink_unicast+0x503/0x503 [ 3954.388443] [] sock_sendmsg+0xe9/0x116 [ 3954.403288] [] ? ___sys_sendmsg+0x40c/0x789 [ 3954.417862] [] ___sys_sendmsg+0x5de/0x789 [ 3954.435790] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3954.458387] [] ? vm_normal_page+0x1aa/0x1aa [ 3954.472945] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3954.492920] [] ? compound_head+0x4e/0x56 [ 3954.509507] [] ? handle_mm_fault+0x1e11/0x2102 [ 3954.525369] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3954.544490] [] ? __fget_light+0xe6/0xf0 [ 3954.563228] [] __sys_sendmsg+0xdd/0x167 [ 3954.579143] [] ? __sys_sendmsg+0xdd/0x167 [ 3954.598065] [] ? SyS_shutdown+0x29/0x29 [ 3954.614973] [] SyS_sendmsg+0x3a/0x4f [ 3954.631052] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3954.657178] ================================================================================ [ 3954.682021] ================================================================================ [ 3954.707395] UBSAN: Undefined behaviour in net/sched/sch_generic.c:760:9 [ 3954.725117] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3954.755739] which requires 64 byte alignment [ 3954.766212] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3954.788135] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3954.817502] 00000000ffffffff 00000000f797e7aa ffff88005a45ef18 ffffffffb26ec5cc [ 3954.839214] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3954.863866] 1ffff10000000010 ffff88005a45ef40 ffff88005a45eef0 ffffffffb363c3e0 [ 3954.887370] Call Trace: [ 3954.895491] [] dump_stack+0xd7/0x132 [ 3954.910597] [] ? arch_local_irq_restore+0x1b/0x1b [ 3954.930224] [] ubsan_epilogue+0x12/0x53 [ 3954.949102] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3954.972592] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3954.992041] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3955.019541] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3955.041584] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3955.069476] [] ? dev_activate+0x42b/0x42b [ 3955.091699] [] attach_one_default_qdisc+0x3a/0x14a [ 3955.115430] [] netdev_for_each_tx_queue+0x9a/0xac [ 3955.140184] [] dev_activate+0x123/0x42b [ 3955.165064] [] ? qdisc_create_dflt+0x14e/0x14e [ 3955.188457] [] ? do_softirq+0x3d/0x40 [ 3955.207671] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3955.228926] [] ? dev_set_rx_mode+0x39/0x39 [ 3955.249470] [] __dev_open+0x211/0x287 [ 3955.269064] [] ? __do_softirq+0x42a/0x59e [ 3955.290146] [] __dev_change_flags+0x137/0x2e9 [ 3955.311750] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3955.339260] [] dev_change_flags+0x89/0x10f [ 3955.360841] [] do_setlink+0xb05/0x2647 [ 3955.379172] [] ? univ8250_console_setup+0x15a/0x15a [ 3955.402178] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3955.431520] [] ? console_unlock+0x6a9/0x6b8 [ 3955.455765] [] ? vprintk_emit+0x636/0x647 [ 3955.477237] [] ? vprintk_default+0x65/0x6e [ 3955.494231] [] ? ubsan_epilogue+0x26/0x53 [ 3955.511946] [] ? arch_local_irq_restore+0x6/0xd [ 3955.531115] [] ? validate_linkmsg+0x462/0x4a0 [ 3955.550078] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3955.569069] [] rtnl_newlink+0x98a/0x1165 [ 3955.585961] [] ? rtnl_newlink+0x4db/0x1165 [ 3955.601160] [] ? rtnl_newlink+0x457/0x1165 [ 3955.621936] [] ? rtnl_link_unregister+0x20d/0x20d [ 3955.644928] [] ? save_stack+0xc4/0xce [ 3955.665984] [] ? save_stack_trace+0x31/0xf1 [ 3955.686979] [] ? save_stack+0x46/0xce [ 3955.701886] [] ? security_capable+0xaa/0xb9 [ 3955.725831] [] ? ns_capable_common+0x149/0x153 [ 3955.741814] [] ? __netlink_ns_capable+0xf3/0xff [ 3955.764705] [] ? rtnl_link_unregister+0x20d/0x20d [ 3955.785241] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3955.803765] [] ? rtnl_newlink+0x1165/0x1165 [ 3955.822663] [] ? mutex_set_owner+0x8e/0xc6 [ 3955.837907] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3955.861986] [] ? rtnl_newlink+0x1165/0x1165 [ 3955.880202] [] netlink_rcv_skb+0x173/0x25b [ 3955.897370] [] rtnetlink_rcv+0x28/0x2f [ 3955.912003] [] netlink_unicast+0x3fc/0x503 [ 3955.930311] [] ? netlink_sendskb+0x35/0x35 [ 3955.951233] [] netlink_sendmsg+0x860/0x877 [ 3955.971050] [] ? netlink_unicast+0x503/0x503 [ 3955.988968] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3956.010600] [] ? netlink_unicast+0x503/0x503 [ 3956.029335] [] sock_sendmsg+0xe9/0x116 [ 3956.046856] [] ? ___sys_sendmsg+0x40c/0x789 [ 3956.070319] [] ___sys_sendmsg+0x5de/0x789 [ 3956.090036] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3956.110294] [] ? vm_normal_page+0x1aa/0x1aa [ 3956.131119] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3956.158150] [] ? compound_head+0x4e/0x56 [ 3956.178108] [] ? handle_mm_fault+0x1e11/0x2102 [ 3956.198286] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3956.218509] [] ? __fget_light+0xe6/0xf0 [ 3956.236120] [] __sys_sendmsg+0xdd/0x167 [ 3956.262238] [] ? __sys_sendmsg+0xdd/0x167 [ 3956.286806] [] ? SyS_shutdown+0x29/0x29 [ 3956.302837] [] SyS_sendmsg+0x3a/0x4f [ 3956.318588] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3956.341903] ================================================================================ [ 3956.375100] ================================================================================ [ 3956.405438] UBSAN: Undefined behaviour in net/sched/sch_generic.c:598:21 [ 3956.426866] member access within misaligned address ffff88005bdaf8e0 for type 'struct netdev_queue' [ 3956.459708] which requires 64 byte alignment [ 3956.475069] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3956.493774] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3956.525839] 00000000ffffffff 00000000f797e7aa ffff88005a45edf8 ffffffffb26ec5cc [ 3956.559102] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3956.581549] ffffffff00000010 ffff88005a45ee20 ffff88005a45edd0 ffffffffb363c3e0 [ 3956.607818] Call Trace: [ 3956.632595] [] dump_stack+0xd7/0x132 [ 3956.672480] [] ? arch_local_irq_restore+0x1b/0x1b [ 3956.694732] [] ubsan_epilogue+0x12/0x53 [ 3956.715575] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3956.738371] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3956.764983] [] qdisc_alloc+0xdc/0x515 [ 3956.785211] [] ? netif_carrier_on+0xa5/0xa5 [ 3956.810579] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3956.834301] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3956.866943] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3956.896811] [] qdisc_create_dflt+0x69/0x14e [ 3956.917176] [] ? dev_activate+0x42b/0x42b [ 3956.936992] [] attach_one_default_qdisc+0x6e/0x14a [ 3956.963046] [] netdev_for_each_tx_queue+0x9a/0xac [ 3956.981704] [] dev_activate+0x123/0x42b [ 3956.997880] [] ? qdisc_create_dflt+0x14e/0x14e [ 3957.018946] [] ? do_softirq+0x3d/0x40 [ 3957.036257] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3957.057377] [] ? dev_set_rx_mode+0x39/0x39 [ 3957.076356] [] __dev_open+0x211/0x287 [ 3957.093442] [] ? __do_softirq+0x42a/0x59e [ 3957.112102] [] __dev_change_flags+0x137/0x2e9 [ 3957.127925] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3957.185121] [] dev_change_flags+0x89/0x10f [ 3957.248093] [] do_setlink+0xb05/0x2647 [ 3957.284801] [] ? univ8250_console_setup+0x15a/0x15a [ 3957.318368] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3957.340691] [] ? console_unlock+0x6a9/0x6b8 [ 3957.359063] [] ? vprintk_emit+0x636/0x647 [ 3957.375988] [] ? vprintk_default+0x65/0x6e [ 3957.391608] [] ? ubsan_epilogue+0x26/0x53 [ 3957.410654] [] ? arch_local_irq_restore+0x6/0xd [ 3957.427318] [] ? validate_linkmsg+0x462/0x4a0 [ 3957.444133] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3957.462178] [] rtnl_newlink+0x98a/0x1165 [ 3957.477277] [] ? rtnl_newlink+0x4db/0x1165 [ 3957.492696] [] ? rtnl_newlink+0x457/0x1165 [ 3957.510441] [] ? rtnl_link_unregister+0x20d/0x20d [ 3957.531093] [] ? save_stack+0xc4/0xce [ 3957.546829] [] ? save_stack_trace+0x31/0xf1 [ 3957.564080] [] ? save_stack+0x46/0xce [ 3957.579335] [] ? security_capable+0xaa/0xb9 [ 3957.595263] [] ? ns_capable_common+0x149/0x153 [ 3957.617613] [] ? __netlink_ns_capable+0xf3/0xff [ 3957.638244] [] ? rtnl_link_unregister+0x20d/0x20d [ 3957.656665] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3957.674409] [] ? rtnl_newlink+0x1165/0x1165 [ 3957.691062] [] ? mutex_set_owner+0x8e/0xc6 [ 3957.708556] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3957.729770] [] ? rtnl_newlink+0x1165/0x1165 [ 3957.748162] [] netlink_rcv_skb+0x173/0x25b [ 3957.764084] [] rtnetlink_rcv+0x28/0x2f [ 3957.781908] [] netlink_unicast+0x3fc/0x503 [ 3957.800943] [] ? netlink_sendskb+0x35/0x35 [ 3957.817082] [] netlink_sendmsg+0x860/0x877 [ 3957.836499] [] ? netlink_unicast+0x503/0x503 [ 3957.855154] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3957.874977] [] ? netlink_unicast+0x503/0x503 [ 3957.894738] [] sock_sendmsg+0xe9/0x116 [ 3957.911966] [] ? ___sys_sendmsg+0x40c/0x789 [ 3957.930055] [] ___sys_sendmsg+0x5de/0x789 [ 3957.946459] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3957.965514] [] ? vm_normal_page+0x1aa/0x1aa [ 3957.985228] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3958.006292] [] ? compound_head+0x4e/0x56 [ 3958.023617] [] ? handle_mm_fault+0x1e11/0x2102 [ 3958.042832] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3958.059746] [] ? __fget_light+0xe6/0xf0 [ 3958.075810] [] __sys_sendmsg+0xdd/0x167 [ 3958.091950] [] ? __sys_sendmsg+0xdd/0x167 [ 3958.108265] [] ? SyS_shutdown+0x29/0x29 [ 3958.124250] [] SyS_sendmsg+0x3a/0x4f [ 3958.142190] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3958.161432] ================================================================================ [ 3958.185383] ================================================================================ [ 3958.213896] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:600:10 [ 3958.236488] member access within misaligned address ffff88005bdaf8e0 for type 'const struct netdev_queue' [ 3958.265269] which requires 64 byte alignment [ 3958.277991] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3958.298041] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3958.328016] 00000000ffffffff 00000000f797e7aa ffff88005a45edf8 ffffffffb26ec5cc [ 3958.350077] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3958.374162] ffffffff00000010 ffff88005a45ee20 ffff88005a45edd0 ffffffffb363c3e0 [ 3958.393992] Call Trace: [ 3958.402879] [] dump_stack+0xd7/0x132 [ 3958.419563] [] ? arch_local_irq_restore+0x1b/0x1b [ 3958.438096] [] ubsan_epilogue+0x12/0x53 [ 3958.453389] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3958.476138] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3958.495888] [] qdisc_alloc+0x102/0x515 [ 3958.517132] [] ? netif_carrier_on+0xa5/0xa5 [ 3958.534871] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3958.556572] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3958.575403] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3958.593408] [] qdisc_create_dflt+0x69/0x14e [ 3958.612044] [] ? dev_activate+0x42b/0x42b [ 3958.630963] [] attach_one_default_qdisc+0x6e/0x14a [ 3958.649917] [] netdev_for_each_tx_queue+0x9a/0xac [ 3958.669214] [] dev_activate+0x123/0x42b [ 3958.683664] [] ? qdisc_create_dflt+0x14e/0x14e [ 3958.700706] [] ? do_softirq+0x3d/0x40 [ 3958.715872] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3958.734166] [] ? dev_set_rx_mode+0x39/0x39 [ 3958.751474] [] __dev_open+0x211/0x287 [ 3958.766308] [] ? __do_softirq+0x42a/0x59e [ 3958.784027] [] __dev_change_flags+0x137/0x2e9 [ 3958.802586] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3958.824787] [] dev_change_flags+0x89/0x10f [ 3958.840237] [] do_setlink+0xb05/0x2647 [ 3958.859581] [] ? univ8250_console_setup+0x15a/0x15a [ 3958.879738] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3958.900224] [] ? console_unlock+0x6a9/0x6b8 [ 3958.918313] [] ? vprintk_emit+0x636/0x647 [ 3958.937092] [] ? vprintk_default+0x65/0x6e [ 3958.957290] [] ? ubsan_epilogue+0x26/0x53 [ 3958.975046] [] ? arch_local_irq_restore+0x6/0xd [ 3958.993839] [] ? validate_linkmsg+0x462/0x4a0 [ 3959.015035] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3959.031520] [] rtnl_newlink+0x98a/0x1165 [ 3959.045776] [] ? rtnl_newlink+0x4db/0x1165 [ 3959.065552] [] ? rtnl_newlink+0x457/0x1165 [ 3959.083993] [] ? rtnl_link_unregister+0x20d/0x20d [ 3959.105038] [] ? save_stack+0xc4/0xce [ 3959.121086] [] ? save_stack_trace+0x31/0xf1 [ 3959.138580] [] ? save_stack+0x46/0xce [ 3959.157486] [] ? security_capable+0xaa/0xb9 [ 3959.175286] [] ? ns_capable_common+0x149/0x153 [ 3959.194880] [] ? __netlink_ns_capable+0xf3/0xff [ 3959.212653] [] ? rtnl_link_unregister+0x20d/0x20d [ 3959.231193] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3959.249202] [] ? rtnl_newlink+0x1165/0x1165 [ 3959.266429] [] ? mutex_set_owner+0x8e/0xc6 [ 3959.285117] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3959.306007] [] ? rtnl_newlink+0x1165/0x1165 [ 3959.324354] [] netlink_rcv_skb+0x173/0x25b [ 3959.340954] [] rtnetlink_rcv+0x28/0x2f [ 3959.357312] [] netlink_unicast+0x3fc/0x503 [ 3959.371723] [] ? netlink_sendskb+0x35/0x35 [ 3959.386489] [] netlink_sendmsg+0x860/0x877 [ 3959.402433] [] ? netlink_unicast+0x503/0x503 [ 3959.420883] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3959.439993] [] ? netlink_unicast+0x503/0x503 [ 3959.458465] [] sock_sendmsg+0xe9/0x116 [ 3959.471718] [] ? ___sys_sendmsg+0x40c/0x789 [ 3959.488003] [] ___sys_sendmsg+0x5de/0x789 [ 3959.503767] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3959.524189] [] ? vm_normal_page+0x1aa/0x1aa [ 3959.541124] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3959.561717] [] ? compound_head+0x4e/0x56 [ 3959.580466] [] ? handle_mm_fault+0x1e11/0x2102 [ 3959.599988] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3959.620275] [] ? __fget_light+0xe6/0xf0 [ 3959.636217] [] __sys_sendmsg+0xdd/0x167 [ 3959.651234] [] ? __sys_sendmsg+0xdd/0x167 [ 3959.669158] [] ? SyS_shutdown+0x29/0x29 [ 3959.683816] [] SyS_sendmsg+0x3a/0x4f [ 3959.699084] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3959.718464] ================================================================================ [ 3959.758743] ================================================================================ [ 3959.785098] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:600:10 [ 3959.804148] member access within misaligned address ffff88005bdaf8e0 for type 'const struct netdev_queue' [ 3959.831490] which requires 64 byte alignment [ 3959.843495] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3959.861846] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3959.892806] 00000000ffffffff 00000000f797e7aa ffff88005a45edf8 ffffffffb26ec5cc [ 3959.915326] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3959.937926] 0000000000000010 ffff88005a45ee20 ffff88005a45edd0 ffffffffb363c3e0 [ 3959.960213] Call Trace: [ 3959.965861] [] dump_stack+0xd7/0x132 [ 3959.979199] [] ? arch_local_irq_restore+0x1b/0x1b [ 3959.995720] [] ubsan_epilogue+0x12/0x53 [ 3960.013078] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3960.035613] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3960.056950] [] ? kfree+0x14f/0x374 [ 3960.070691] [] ? qdisc_alloc+0x169/0x515 [ 3960.089624] [] qdisc_alloc+0x183/0x515 [ 3960.106383] [] ? netif_carrier_on+0xa5/0xa5 [ 3960.125853] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3960.147056] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3960.169650] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3960.191131] [] qdisc_create_dflt+0x69/0x14e [ 3960.207731] [] ? dev_activate+0x42b/0x42b [ 3960.228167] [] attach_one_default_qdisc+0x6e/0x14a [ 3960.247798] [] netdev_for_each_tx_queue+0x9a/0xac [ 3960.267971] [] dev_activate+0x123/0x42b [ 3960.286058] [] ? qdisc_create_dflt+0x14e/0x14e [ 3960.306054] [] ? do_softirq+0x3d/0x40 [ 3960.321334] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3960.339116] [] ? dev_set_rx_mode+0x39/0x39 [ 3960.357085] [] __dev_open+0x211/0x287 [ 3960.373308] [] ? __do_softirq+0x42a/0x59e [ 3960.393390] [] __dev_change_flags+0x137/0x2e9 [ 3960.412110] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3960.432656] [] dev_change_flags+0x89/0x10f [ 3960.449264] [] do_setlink+0xb05/0x2647 [ 3960.464170] [] ? univ8250_console_setup+0x15a/0x15a [ 3960.481921] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3960.501504] [] ? console_unlock+0x6a9/0x6b8 [ 3960.521733] [] ? vprintk_emit+0x636/0x647 [ 3960.537736] [] ? vprintk_default+0x65/0x6e [ 3960.554214] [] ? ubsan_epilogue+0x26/0x53 [ 3960.573210] [] ? arch_local_irq_restore+0x6/0xd [ 3960.591852] [] ? validate_linkmsg+0x462/0x4a0 [ 3960.611470] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3960.628367] [] rtnl_newlink+0x98a/0x1165 [ 3960.644874] [] ? rtnl_newlink+0x4db/0x1165 [ 3960.661826] [] ? rtnl_newlink+0x457/0x1165 [ 3960.680837] [] ? rtnl_link_unregister+0x20d/0x20d [ 3960.698953] [] ? save_stack+0xc4/0xce [ 3960.716944] [] ? save_stack_trace+0x31/0xf1 [ 3960.733398] [] ? save_stack+0x46/0xce [ 3960.749748] [] ? security_capable+0xaa/0xb9 [ 3960.768187] [] ? ns_capable_common+0x149/0x153 [ 3960.786149] [] ? __netlink_ns_capable+0xf3/0xff [ 3960.804685] [] ? rtnl_link_unregister+0x20d/0x20d [ 3960.821169] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3960.838947] [] ? rtnl_newlink+0x1165/0x1165 [ 3960.857475] [] ? mutex_set_owner+0x8e/0xc6 [ 3960.872850] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3960.894698] [] ? rtnl_newlink+0x1165/0x1165 [ 3960.910956] [] netlink_rcv_skb+0x173/0x25b [ 3960.929678] [] rtnetlink_rcv+0x28/0x2f [ 3960.944574] [] netlink_unicast+0x3fc/0x503 [ 3960.960490] [] ? netlink_sendskb+0x35/0x35 [ 3960.978278] [] netlink_sendmsg+0x860/0x877 [ 3960.994393] [] ? netlink_unicast+0x503/0x503 [ 3961.009644] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3961.036054] [] ? netlink_unicast+0x503/0x503 [ 3961.060234] [] sock_sendmsg+0xe9/0x116 [ 3961.078294] [] ? ___sys_sendmsg+0x40c/0x789 [ 3961.097830] [] ___sys_sendmsg+0x5de/0x789 [ 3961.112012] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3961.132080] [] ? vm_normal_page+0x1aa/0x1aa [ 3961.148623] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3961.168271] [] ? compound_head+0x4e/0x56 [ 3961.185321] [] ? handle_mm_fault+0x1e11/0x2102 [ 3961.202621] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3961.225574] [] ? __fget_light+0xe6/0xf0 [ 3961.239912] [] __sys_sendmsg+0xdd/0x167 [ 3961.256636] [] ? __sys_sendmsg+0xdd/0x167 [ 3961.270446] [] ? SyS_shutdown+0x29/0x29 [ 3961.290202] [] SyS_sendmsg+0x3a/0x4f [ 3961.308741] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3961.328081] ================================================================================ [ 3961.353722] ================================================================================ [ 3961.378904] UBSAN: Undefined behaviour in net/sched/sch_generic.c:620:2 [ 3961.397900] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3961.424929] which requires 64 byte alignment [ 3961.437446] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3961.457477] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3961.484601] 00000000ffffffff 00000000f797e7aa ffff88005a45edf8 ffffffffb26ec5cc [ 3961.506276] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3961.531203] 0000000000000010 ffff88005a45ee20 ffff88005a45edd0 ffffffffb363c3e0 [ 3961.553121] Call Trace: [ 3961.561612] [] dump_stack+0xd7/0x132 [ 3961.576184] [] ? arch_local_irq_restore+0x1b/0x1b [ 3961.595139] [] ubsan_epilogue+0x12/0x53 [ 3961.610799] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3961.631699] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3961.653593] [] qdisc_alloc+0x34e/0x515 [ 3961.668538] [] ? netif_carrier_on+0xa5/0xa5 [ 3961.686129] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3961.709303] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3961.732225] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3961.754705] [] qdisc_create_dflt+0x69/0x14e [ 3961.771887] [] ? dev_activate+0x42b/0x42b [ 3961.790044] [] attach_one_default_qdisc+0x6e/0x14a [ 3961.809263] [] netdev_for_each_tx_queue+0x9a/0xac [ 3961.828394] [] dev_activate+0x123/0x42b [ 3961.846972] [] ? qdisc_create_dflt+0x14e/0x14e [ 3961.866436] [] ? do_softirq+0x3d/0x40 [ 3961.884239] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3961.901996] [] ? dev_set_rx_mode+0x39/0x39 [ 3961.920358] [] __dev_open+0x211/0x287 [ 3961.936213] [] ? __do_softirq+0x42a/0x59e [ 3961.954153] [] __dev_change_flags+0x137/0x2e9 [ 3961.970846] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3961.992601] [] dev_change_flags+0x89/0x10f [ 3962.009120] [] do_setlink+0xb05/0x2647 [ 3962.024380] [] ? univ8250_console_setup+0x15a/0x15a [ 3962.045731] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3962.063599] [] ? console_unlock+0x6a9/0x6b8 [ 3962.080615] [] ? vprintk_emit+0x636/0x647 [ 3962.097690] [] ? vprintk_default+0x65/0x6e [ 3962.112471] [] ? ubsan_epilogue+0x26/0x53 [ 3962.129918] [] ? arch_local_irq_restore+0x6/0xd [ 3962.149296] [] ? validate_linkmsg+0x462/0x4a0 [ 3962.167013] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3962.184486] [] rtnl_newlink+0x98a/0x1165 [ 3962.200291] [] ? rtnl_newlink+0x4db/0x1165 [ 3962.221355] [] ? rtnl_newlink+0x457/0x1165 [ 3962.241187] [] ? rtnl_link_unregister+0x20d/0x20d [ 3962.262203] [] ? save_stack+0xc4/0xce [ 3962.278454] [] ? save_stack_trace+0x31/0xf1 [ 3962.299439] [] ? save_stack+0x46/0xce [ 3962.312738] [] ? security_capable+0xaa/0xb9 [ 3962.329728] [] ? ns_capable_common+0x149/0x153 [ 3962.350487] [] ? __netlink_ns_capable+0xf3/0xff [ 3962.368365] [] ? rtnl_link_unregister+0x20d/0x20d [ 3962.391331] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3962.415812] [] ? rtnl_newlink+0x1165/0x1165 [ 3962.440632] [] ? mutex_set_owner+0x8e/0xc6 [ 3962.492106] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3962.573006] [] ? rtnl_newlink+0x1165/0x1165 [ 3962.592670] [] netlink_rcv_skb+0x173/0x25b [ 3962.613242] [] rtnetlink_rcv+0x28/0x2f [ 3962.631499] [] netlink_unicast+0x3fc/0x503 [ 3962.647796] [] ? netlink_sendskb+0x35/0x35 [ 3962.662807] [] netlink_sendmsg+0x860/0x877 [ 3962.682418] [] ? netlink_unicast+0x503/0x503 [ 3962.704133] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3962.725991] [] ? netlink_unicast+0x503/0x503 [ 3962.746356] [] sock_sendmsg+0xe9/0x116 [ 3962.763952] [] ? ___sys_sendmsg+0x40c/0x789 [ 3962.783289] [] ___sys_sendmsg+0x5de/0x789 [ 3962.799078] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3962.821610] [] ? vm_normal_page+0x1aa/0x1aa [ 3962.847088] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3962.870395] [] ? compound_head+0x4e/0x56 [ 3962.891093] [] ? handle_mm_fault+0x1e11/0x2102 [ 3962.940256] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3963.025572] [] ? __fget_light+0xe6/0xf0 [ 3963.081314] [] __sys_sendmsg+0xdd/0x167 [ 3963.107218] [] ? __sys_sendmsg+0xdd/0x167 [ 3963.136636] [] ? SyS_shutdown+0x29/0x29 [ 3963.166272] [] SyS_sendmsg+0x3a/0x4f [ 3963.188364] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3963.212135] ================================================================================ [ 3963.240841] ================================================================================ [ 3963.269038] UBSAN: Undefined behaviour in net/sched/sch_generic.c:624:2 [ 3963.289590] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3963.315340] which requires 64 byte alignment [ 3963.325857] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3963.347422] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3963.376899] 00000000ffffffff 00000000f797e7aa ffff88005a45edf8 ffffffffb26ec5cc [ 3963.398867] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3963.426772] ffffffff00000010 ffff88005a45ee20 ffff88005a45edd0 ffffffffb363c3e0 [ 3963.460842] Call Trace: [ 3963.466422] [] dump_stack+0xd7/0x132 [ 3963.488820] [] ? arch_local_irq_restore+0x1b/0x1b [ 3963.510637] [] ubsan_epilogue+0x12/0x53 [ 3963.529804] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3963.549361] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3963.573667] [] qdisc_alloc+0x394/0x515 [ 3963.586912] [] ? netif_carrier_on+0xa5/0xa5 [ 3963.604659] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3963.625843] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3963.646224] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3963.666970] [] qdisc_create_dflt+0x69/0x14e [ 3963.688888] [] ? dev_activate+0x42b/0x42b [ 3963.706224] [] attach_one_default_qdisc+0x6e/0x14a [ 3963.724772] [] netdev_for_each_tx_queue+0x9a/0xac [ 3963.741579] [] dev_activate+0x123/0x42b [ 3963.757524] [] ? qdisc_create_dflt+0x14e/0x14e [ 3963.772629] [] ? do_softirq+0x3d/0x40 [ 3963.789351] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3963.806081] [] ? dev_set_rx_mode+0x39/0x39 [ 3963.821248] [] __dev_open+0x211/0x287 [ 3963.835720] [] ? __do_softirq+0x42a/0x59e [ 3963.853886] [] __dev_change_flags+0x137/0x2e9 [ 3963.870878] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3963.895529] [] dev_change_flags+0x89/0x10f [ 3963.909719] [] do_setlink+0xb05/0x2647 [ 3963.926705] [] ? univ8250_console_setup+0x15a/0x15a [ 3963.946473] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3963.965517] [] ? console_unlock+0x6a9/0x6b8 [ 3963.983099] [] ? vprintk_emit+0x636/0x647 [ 3964.001473] [] ? vprintk_default+0x65/0x6e [ 3964.016540] [] ? ubsan_epilogue+0x26/0x53 [ 3964.031643] [] ? arch_local_irq_restore+0x6/0xd [ 3964.049499] [] ? validate_linkmsg+0x462/0x4a0 [ 3964.067385] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3964.085453] [] rtnl_newlink+0x98a/0x1165 [ 3964.103054] [] ? rtnl_newlink+0x4db/0x1165 [ 3964.120176] [] ? rtnl_newlink+0x457/0x1165 [ 3964.136285] [] ? rtnl_link_unregister+0x20d/0x20d [ 3964.156045] [] ? save_stack+0xc4/0xce [ 3964.175266] [] ? save_stack_trace+0x31/0xf1 [ 3964.193663] [] ? save_stack+0x46/0xce [ 3964.209657] [] ? security_capable+0xaa/0xb9 [ 3964.229744] [] ? ns_capable_common+0x149/0x153 [ 3964.246465] [] ? __netlink_ns_capable+0xf3/0xff [ 3964.265086] [] ? rtnl_link_unregister+0x20d/0x20d [ 3964.287225] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3964.308032] [] ? rtnl_newlink+0x1165/0x1165 [ 3964.326567] [] ? mutex_set_owner+0x8e/0xc6 [ 3964.343682] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3964.365093] [] ? rtnl_newlink+0x1165/0x1165 [ 3964.386764] [] netlink_rcv_skb+0x173/0x25b [ 3964.404458] [] rtnetlink_rcv+0x28/0x2f [ 3964.420822] [] netlink_unicast+0x3fc/0x503 [ 3964.438464] [] ? netlink_sendskb+0x35/0x35 [ 3964.456382] [] netlink_sendmsg+0x860/0x877 [ 3964.475195] [] ? netlink_unicast+0x503/0x503 [ 3964.492303] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3964.510780] [] ? netlink_unicast+0x503/0x503 [ 3964.528774] [] sock_sendmsg+0xe9/0x116 [ 3964.548131] [] ? ___sys_sendmsg+0x40c/0x789 [ 3964.566894] [] ___sys_sendmsg+0x5de/0x789 [ 3964.584877] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3964.602597] [] ? vm_normal_page+0x1aa/0x1aa [ 3964.619284] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3964.646904] [] ? compound_head+0x4e/0x56 [ 3964.666969] [] ? handle_mm_fault+0x1e11/0x2102 [ 3964.686980] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3964.709905] [] ? __fget_light+0xe6/0xf0 [ 3964.726164] [] __sys_sendmsg+0xdd/0x167 [ 3964.743788] [] ? __sys_sendmsg+0xdd/0x167 [ 3964.760142] [] ? SyS_shutdown+0x29/0x29 [ 3964.775654] [] SyS_sendmsg+0x3a/0x4f [ 3964.791201] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3964.809459] ================================================================================ [ 3964.842024] ================================================================================ [ 3964.867986] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:3368:2 [ 3964.885975] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3964.921478] which requires 64 byte alignment [ 3964.944762] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3964.989006] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3965.072035] 00000000ffffffff 00000000f797e7aa ffff88005a45edf8 ffffffffb26ec5cc [ 3965.118956] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3965.142767] ffffffff00000010 ffff88005a45ee20 ffff88005a45edd0 ffffffffb363c3e0 [ 3965.163749] Call Trace: [ 3965.170048] [] dump_stack+0xd7/0x132 [ 3965.185776] [] ? arch_local_irq_restore+0x1b/0x1b [ 3965.204333] [] ubsan_epilogue+0x12/0x53 [ 3965.219240] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3965.243790] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3965.263618] [] ? queued_spin_unlock+0x1b/0x1b [ 3965.282545] [] ? netdev_for_each_tx_queue+0xac/0xac [ 3965.301525] [] qdisc_alloc+0x47e/0x515 [ 3965.315931] [] ? netif_carrier_on+0xa5/0xa5 [ 3965.334735] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3965.354881] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3965.377280] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3965.396561] [] qdisc_create_dflt+0x69/0x14e [ 3965.418223] [] ? dev_activate+0x42b/0x42b [ 3965.433952] [] attach_one_default_qdisc+0x6e/0x14a [ 3965.452333] [] netdev_for_each_tx_queue+0x9a/0xac [ 3965.472855] [] dev_activate+0x123/0x42b [ 3965.487977] [] ? qdisc_create_dflt+0x14e/0x14e [ 3965.508536] [] ? do_softirq+0x3d/0x40 [ 3965.523847] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3965.543520] [] ? dev_set_rx_mode+0x39/0x39 [ 3965.560155] [] __dev_open+0x211/0x287 [ 3965.575441] [] ? __do_softirq+0x42a/0x59e [ 3965.587998] [] __dev_change_flags+0x137/0x2e9 [ 3965.604233] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3965.624926] [] dev_change_flags+0x89/0x10f [ 3965.643483] [] do_setlink+0xb05/0x2647 [ 3965.657632] [] ? univ8250_console_setup+0x15a/0x15a [ 3965.677939] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3965.696552] [] ? console_unlock+0x6a9/0x6b8 [ 3965.711451] [] ? vprintk_emit+0x636/0x647 [ 3965.729612] [] ? vprintk_default+0x65/0x6e [ 3965.747832] [] ? ubsan_epilogue+0x26/0x53 [ 3965.764176] [] ? arch_local_irq_restore+0x6/0xd [ 3965.784910] [] ? validate_linkmsg+0x462/0x4a0 [ 3965.802589] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3965.821277] [] rtnl_newlink+0x98a/0x1165 [ 3965.837675] [] ? rtnl_newlink+0x4db/0x1165 [ 3965.856033] [] ? rtnl_newlink+0x457/0x1165 [ 3965.882228] [] ? rtnl_link_unregister+0x20d/0x20d [ 3965.915149] [] ? save_stack+0xc4/0xce [ 3965.941298] [] ? save_stack_trace+0x31/0xf1 [ 3965.993631] [] ? save_stack+0x46/0xce [ 3966.041334] [] ? security_capable+0xaa/0xb9 [ 3966.119666] [] ? ns_capable_common+0x149/0x153 [ 3966.154171] [] ? __netlink_ns_capable+0xf3/0xff [ 3966.183190] [] ? rtnl_link_unregister+0x20d/0x20d [ 3966.208505] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3966.227343] [] ? rtnl_newlink+0x1165/0x1165 [ 3966.245385] [] ? mutex_set_owner+0x8e/0xc6 [ 3966.261631] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3966.289169] [] ? rtnl_newlink+0x1165/0x1165 [ 3966.309630] [] netlink_rcv_skb+0x173/0x25b [ 3966.334368] [] rtnetlink_rcv+0x28/0x2f [ 3966.360514] [] netlink_unicast+0x3fc/0x503 [ 3966.381103] [] ? netlink_sendskb+0x35/0x35 [ 3966.403369] [] netlink_sendmsg+0x860/0x877 [ 3966.426599] [] ? netlink_unicast+0x503/0x503 [ 3966.440484] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3966.460902] [] ? netlink_unicast+0x503/0x503 [ 3966.482141] [] sock_sendmsg+0xe9/0x116 [ 3966.501038] [] ? ___sys_sendmsg+0x40c/0x789 [ 3966.523079] [] ___sys_sendmsg+0x5de/0x789 [ 3966.542623] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3966.566886] [] ? vm_normal_page+0x1aa/0x1aa [ 3966.584152] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3966.607407] [] ? compound_head+0x4e/0x56 [ 3966.626660] [] ? handle_mm_fault+0x1e11/0x2102 [ 3966.651727] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3966.681614] [] ? __fget_light+0xe6/0xf0 [ 3966.703386] [] __sys_sendmsg+0xdd/0x167 [ 3966.727771] [] ? __sys_sendmsg+0xdd/0x167 [ 3966.744126] [] ? SyS_shutdown+0x29/0x29 [ 3966.759717] [] SyS_sendmsg+0x3a/0x4f [ 3966.773097] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3966.790415] ================================================================================ [ 3966.814624] ================================================================================ [ 3966.836987] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:3214:12 [ 3966.857747] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 3966.882282] which requires 64 byte alignment [ 3966.895525] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3966.914675] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3966.941808] 00000000ffffffff 00000000f797e7aa ffff88005a45ef18 ffffffffb26ec5cc [ 3966.968576] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3966.991455] ffff880000000010 ffff88005a45ef40 ffff88005a45eef0 ffffffffb363c3e0 [ 3967.015224] Call Trace: [ 3967.021199] [] dump_stack+0xd7/0x132 [ 3967.040115] [] ? arch_local_irq_restore+0x1b/0x1b [ 3967.056557] [] ubsan_epilogue+0x12/0x53 [ 3967.076570] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3967.118164] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3967.152615] [] ? noop_enqueue+0x8b/0x8b [ 3967.180424] [] ? dev_activate+0x42b/0x42b [ 3967.206701] [] attach_one_default_qdisc+0xae/0x14a [ 3967.250845] [] netdev_for_each_tx_queue+0x9a/0xac [ 3967.278871] [] dev_activate+0x123/0x42b [ 3967.307448] [] ? qdisc_create_dflt+0x14e/0x14e [ 3967.337077] [] ? do_softirq+0x3d/0x40 [ 3967.365559] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3967.393855] [] ? dev_set_rx_mode+0x39/0x39 [ 3967.417710] [] __dev_open+0x211/0x287 [ 3967.441581] [] ? __do_softirq+0x42a/0x59e [ 3967.469914] [] __dev_change_flags+0x137/0x2e9 [ 3967.497507] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3967.538944] [] dev_change_flags+0x89/0x10f [ 3967.568741] [] do_setlink+0xb05/0x2647 [ 3967.586621] [] ? univ8250_console_setup+0x15a/0x15a [ 3967.610591] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3967.630874] [] ? console_unlock+0x6a9/0x6b8 [ 3967.646773] [] ? vprintk_emit+0x636/0x647 [ 3967.661373] [] ? vprintk_default+0x65/0x6e [ 3967.683203] [] ? ubsan_epilogue+0x26/0x53 [ 3967.700236] [] ? arch_local_irq_restore+0x6/0xd [ 3967.718859] [] ? validate_linkmsg+0x462/0x4a0 [ 3967.737581] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3967.753787] [] rtnl_newlink+0x98a/0x1165 [ 3967.770326] [] ? rtnl_newlink+0x4db/0x1165 [ 3967.787182] [] ? rtnl_newlink+0x457/0x1165 [ 3967.803711] [] ? rtnl_link_unregister+0x20d/0x20d [ 3967.821243] [] ? save_stack+0xc4/0xce [ 3967.835640] [] ? save_stack_trace+0x31/0xf1 [ 3967.852445] [] ? save_stack+0x46/0xce [ 3967.870462] [] ? security_capable+0xaa/0xb9 [ 3967.885471] [] ? ns_capable_common+0x149/0x153 [ 3967.901710] [] ? __netlink_ns_capable+0xf3/0xff [ 3967.919509] [] ? rtnl_link_unregister+0x20d/0x20d [ 3967.936769] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3967.954285] [] ? rtnl_newlink+0x1165/0x1165 [ 3967.970279] [] ? mutex_set_owner+0x8e/0xc6 [ 3967.984581] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3968.004151] [] ? rtnl_newlink+0x1165/0x1165 [ 3968.021849] [] netlink_rcv_skb+0x173/0x25b [ 3968.037815] [] rtnetlink_rcv+0x28/0x2f [ 3968.052525] [] netlink_unicast+0x3fc/0x503 [ 3968.070690] [] ? netlink_sendskb+0x35/0x35 [ 3968.086396] [] netlink_sendmsg+0x860/0x877 [ 3968.104147] [] ? netlink_unicast+0x503/0x503 [ 3968.122116] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3968.139067] [] ? netlink_unicast+0x503/0x503 [ 3968.154966] [] sock_sendmsg+0xe9/0x116 [ 3968.171430] [] ? ___sys_sendmsg+0x40c/0x789 [ 3968.187073] [] ___sys_sendmsg+0x5de/0x789 [ 3968.201718] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3968.218051] [] ? vm_normal_page+0x1aa/0x1aa [ 3968.235370] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3968.253721] [] ? compound_head+0x4e/0x56 [ 3968.269454] [] ? handle_mm_fault+0x1e11/0x2102 [ 3968.286829] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3968.309084] [] ? __fget_light+0xe6/0xf0 [ 3968.326506] [] __sys_sendmsg+0xdd/0x167 [ 3968.341794] [] ? __sys_sendmsg+0xdd/0x167 [ 3968.360158] [] ? SyS_shutdown+0x29/0x29 [ 3968.377467] [] SyS_sendmsg+0x3a/0x4f [ 3968.395632] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3968.414707] ================================================================================ [ 3968.441644] ================================================================================ [ 3968.465524] UBSAN: Undefined behaviour in net/sched/sch_generic.c:770:28 [ 3968.483914] member access within misaligned address ffff88005bdaf8e0 for type 'struct netdev_queue' [ 3968.512079] which requires 64 byte alignment [ 3968.526599] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3968.548378] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3968.576168] 00000000ffffffff 00000000f797e7aa ffff88005a45ef18 ffffffffb26ec5cc [ 3968.594343] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3968.618345] ffffffff00000010 ffff88005a45ef40 ffff88005a45eef0 ffffffffb363c3e0 [ 3968.641275] Call Trace: [ 3968.650232] [] dump_stack+0xd7/0x132 [ 3968.664058] [] ? arch_local_irq_restore+0x1b/0x1b [ 3968.682349] [] ubsan_epilogue+0x12/0x53 [ 3968.700701] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3968.719471] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3968.740708] [] ? noop_enqueue+0x8b/0x8b [ 3968.759480] [] ? dev_activate+0x42b/0x42b [ 3968.773692] [] attach_one_default_qdisc+0x131/0x14a [ 3968.794323] [] netdev_for_each_tx_queue+0x9a/0xac [ 3968.816455] [] dev_activate+0x123/0x42b [ 3968.831645] [] ? qdisc_create_dflt+0x14e/0x14e [ 3968.850538] [] ? do_softirq+0x3d/0x40 [ 3968.871894] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3968.890639] [] ? dev_set_rx_mode+0x39/0x39 [ 3968.907758] [] __dev_open+0x211/0x287 [ 3968.923995] [] ? __do_softirq+0x42a/0x59e [ 3968.939827] [] __dev_change_flags+0x137/0x2e9 [ 3968.960615] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3968.981094] [] dev_change_flags+0x89/0x10f [ 3968.997923] [] do_setlink+0xb05/0x2647 [ 3969.013733] [] ? univ8250_console_setup+0x15a/0x15a [ 3969.033465] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3969.053650] [] ? console_unlock+0x6a9/0x6b8 [ 3969.072683] [] ? vprintk_emit+0x636/0x647 [ 3969.088219] [] ? vprintk_default+0x65/0x6e [ 3969.103170] [] ? ubsan_epilogue+0x26/0x53 [ 3969.119774] [] ? arch_local_irq_restore+0x6/0xd [ 3969.137600] [] ? validate_linkmsg+0x462/0x4a0 [ 3969.155338] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3969.174071] [] rtnl_newlink+0x98a/0x1165 [ 3969.192273] [] ? rtnl_newlink+0x4db/0x1165 [ 3969.208349] [] ? rtnl_newlink+0x457/0x1165 [ 3969.224206] [] ? rtnl_link_unregister+0x20d/0x20d [ 3969.244651] [] ? save_stack+0xc4/0xce [ 3969.258410] [] ? save_stack_trace+0x31/0xf1 [ 3969.275835] [] ? save_stack+0x46/0xce [ 3969.293670] [] ? security_capable+0xaa/0xb9 [ 3969.309967] [] ? ns_capable_common+0x149/0x153 [ 3969.326235] [] ? __netlink_ns_capable+0xf3/0xff [ 3969.346287] [] ? rtnl_link_unregister+0x20d/0x20d [ 3969.366581] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3969.381848] [] ? rtnl_newlink+0x1165/0x1165 [ 3969.401027] [] ? mutex_set_owner+0x8e/0xc6 [ 3969.419937] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3969.438600] [] ? rtnl_newlink+0x1165/0x1165 [ 3969.455743] [] netlink_rcv_skb+0x173/0x25b [ 3969.470554] [] rtnetlink_rcv+0x28/0x2f [ 3969.486783] [] netlink_unicast+0x3fc/0x503 [ 3969.502130] [] ? netlink_sendskb+0x35/0x35 [ 3969.521127] [] netlink_sendmsg+0x860/0x877 [ 3969.538014] [] ? netlink_unicast+0x503/0x503 [ 3969.555841] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3969.576971] [] ? netlink_unicast+0x503/0x503 [ 3969.592755] [] sock_sendmsg+0xe9/0x116 [ 3969.609659] [] ? ___sys_sendmsg+0x40c/0x789 [ 3969.625586] [] ___sys_sendmsg+0x5de/0x789 [ 3969.642472] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3969.661497] [] ? vm_normal_page+0x1aa/0x1aa [ 3969.680201] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3969.702236] [] ? compound_head+0x4e/0x56 [ 3969.717059] [] ? handle_mm_fault+0x1e11/0x2102 [ 3969.735190] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3969.754466] [] ? __fget_light+0xe6/0xf0 [ 3969.770686] [] __sys_sendmsg+0xdd/0x167 [ 3969.785258] [] ? __sys_sendmsg+0xdd/0x167 [ 3969.805801] [] ? SyS_shutdown+0x29/0x29 [ 3969.822953] [] SyS_sendmsg+0x3a/0x4f [ 3969.840866] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3969.859019] ================================================================================ [ 3969.885880] ================================================================================ [ 3969.913117] UBSAN: Undefined behaviour in net/sched/sch_generic.c:783:19 [ 3969.932388] member access within misaligned address ffff88005bdaf8e0 for type 'struct netdev_queue' [ 3969.960459] which requires 64 byte alignment [ 3969.976136] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3969.996853] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3970.022973] 00000000ffffffff 00000000f797e7aa ffff88005a45ef78 ffffffffb26ec5cc [ 3970.046957] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3970.069421] 0000000000000010 ffff88005a45efa0 ffff88005a45ef50 ffffffffb363c3e0 [ 3970.089673] Call Trace: [ 3970.097751] [] dump_stack+0xd7/0x132 [ 3970.113394] [] ? arch_local_irq_restore+0x1b/0x1b [ 3970.132154] [] ubsan_epilogue+0x12/0x53 [ 3970.149780] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3970.168496] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3970.190467] [] ? dev_activate+0x42b/0x42b [ 3970.208296] [] dev_activate+0x13d/0x42b [ 3970.221574] [] ? qdisc_create_dflt+0x14e/0x14e [ 3970.239140] [] ? do_softirq+0x3d/0x40 [ 3970.255603] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3970.271267] [] ? dev_set_rx_mode+0x39/0x39 [ 3970.290086] [] __dev_open+0x211/0x287 [ 3970.303228] [] ? __do_softirq+0x42a/0x59e [ 3970.321270] [] __dev_change_flags+0x137/0x2e9 [ 3970.338901] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3970.359505] [] dev_change_flags+0x89/0x10f [ 3970.376219] [] do_setlink+0xb05/0x2647 [ 3970.391802] [] ? univ8250_console_setup+0x15a/0x15a [ 3970.410540] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3970.430881] [] ? console_unlock+0x6a9/0x6b8 [ 3970.453499] [] ? vprintk_emit+0x636/0x647 [ 3970.471018] [] ? vprintk_default+0x65/0x6e [ 3970.489952] [] ? ubsan_epilogue+0x26/0x53 [ 3970.513472] [] ? arch_local_irq_restore+0x6/0xd [ 3970.534075] [] ? validate_linkmsg+0x462/0x4a0 [ 3970.554774] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3970.575317] [] rtnl_newlink+0x98a/0x1165 [ 3970.595930] [] ? rtnl_newlink+0x4db/0x1165 [ 3970.616356] [] ? rtnl_newlink+0x457/0x1165 [ 3970.634738] [] ? rtnl_link_unregister+0x20d/0x20d [ 3970.655071] [] ? save_stack+0xc4/0xce [ 3970.672223] [] ? save_stack_trace+0x31/0xf1 [ 3970.687420] [] ? save_stack+0x46/0xce [ 3970.702352] [] ? security_capable+0xaa/0xb9 [ 3970.721528] [] ? ns_capable_common+0x149/0x153 [ 3970.737917] [] ? __netlink_ns_capable+0xf3/0xff [ 3970.755079] [] ? rtnl_link_unregister+0x20d/0x20d [ 3970.776116] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3970.794302] [] ? rtnl_newlink+0x1165/0x1165 [ 3970.811722] [] ? mutex_set_owner+0x8e/0xc6 [ 3970.829373] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3970.850433] [] ? rtnl_newlink+0x1165/0x1165 [ 3970.869527] [] netlink_rcv_skb+0x173/0x25b [ 3970.885523] [] rtnetlink_rcv+0x28/0x2f [ 3970.900946] [] netlink_unicast+0x3fc/0x503 [ 3970.919891] [] ? netlink_sendskb+0x35/0x35 [ 3970.936443] [] netlink_sendmsg+0x860/0x877 [ 3970.954447] [] ? netlink_unicast+0x503/0x503 [ 3970.971067] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3970.993071] [] ? netlink_unicast+0x503/0x503 [ 3971.011354] [] sock_sendmsg+0xe9/0x116 [ 3971.026750] [] ? ___sys_sendmsg+0x40c/0x789 [ 3971.043787] [] ___sys_sendmsg+0x5de/0x789 [ 3971.059413] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3971.081897] [] ? vm_normal_page+0x1aa/0x1aa [ 3971.100225] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3971.119849] [] ? compound_head+0x4e/0x56 [ 3971.135762] [] ? handle_mm_fault+0x1e11/0x2102 [ 3971.153049] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3971.183899] [] ? __fget_light+0xe6/0xf0 [ 3971.211077] [] __sys_sendmsg+0xdd/0x167 [ 3971.253731] [] ? __sys_sendmsg+0xdd/0x167 [ 3971.282373] [] ? SyS_shutdown+0x29/0x29 [ 3971.308965] [] SyS_sendmsg+0x3a/0x4f [ 3971.336472] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3971.373883] ================================================================================ [ 3971.433193] ================================================================================ [ 3971.472759] UBSAN: Undefined behaviour in net/sched/sch_generic.c:783:14 [ 3971.498102] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3971.527648] which requires 64 byte alignment [ 3971.537846] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3971.557722] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3971.589592] 00000000ffffffff 00000000f797e7aa ffff88005a45ef78 ffffffffb26ec5cc [ 3971.618153] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3971.642344] ffffffff00000010 ffff88005a45efa0 ffff88005a45ef50 ffffffffb363c3e0 [ 3971.672606] Call Trace: [ 3971.679023] [] dump_stack+0xd7/0x132 [ 3971.695936] [] ? arch_local_irq_restore+0x1b/0x1b [ 3971.720064] [] ubsan_epilogue+0x12/0x53 [ 3971.738314] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3971.762336] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3971.805007] [] ? dev_activate+0x42b/0x42b [ 3971.820549] [] dev_activate+0x165/0x42b [ 3971.836498] [] ? qdisc_create_dflt+0x14e/0x14e [ 3971.853313] [] ? do_softirq+0x3d/0x40 [ 3971.870451] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3971.891291] [] ? dev_set_rx_mode+0x39/0x39 [ 3971.913929] [] __dev_open+0x211/0x287 [ 3971.933126] [] ? __do_softirq+0x42a/0x59e [ 3971.951461] [] __dev_change_flags+0x137/0x2e9 [ 3971.968547] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3971.991462] [] dev_change_flags+0x89/0x10f [ 3972.011585] [] do_setlink+0xb05/0x2647 [ 3972.034485] [] ? univ8250_console_setup+0x15a/0x15a [ 3972.062696] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3972.086657] [] ? console_unlock+0x6a9/0x6b8 [ 3972.108563] [] ? vprintk_emit+0x636/0x647 [ 3972.134387] [] ? vprintk_default+0x65/0x6e [ 3972.154993] [] ? ubsan_epilogue+0x26/0x53 [ 3972.176684] [] ? arch_local_irq_restore+0x6/0xd [ 3972.199633] [] ? validate_linkmsg+0x462/0x4a0 [ 3972.219362] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3972.238137] [] rtnl_newlink+0x98a/0x1165 [ 3972.258830] [] ? rtnl_newlink+0x4db/0x1165 [ 3972.283841] [] ? rtnl_newlink+0x457/0x1165 [ 3972.309132] [] ? rtnl_link_unregister+0x20d/0x20d [ 3972.335408] [] ? save_stack+0xc4/0xce [ 3972.355728] [] ? save_stack_trace+0x31/0xf1 [ 3972.381938] [] ? save_stack+0x46/0xce [ 3972.406076] [] ? security_capable+0xaa/0xb9 [ 3972.431587] [] ? ns_capable_common+0x149/0x153 [ 3972.454430] [] ? __netlink_ns_capable+0xf3/0xff [ 3972.475462] [] ? rtnl_link_unregister+0x20d/0x20d [ 3972.497749] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3972.514598] [] ? rtnl_newlink+0x1165/0x1165 [ 3972.533453] [] ? mutex_set_owner+0x8e/0xc6 [ 3972.553128] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3972.573363] [] ? rtnl_newlink+0x1165/0x1165 [ 3972.588904] [] netlink_rcv_skb+0x173/0x25b [ 3972.604001] [] rtnetlink_rcv+0x28/0x2f [ 3972.621007] [] netlink_unicast+0x3fc/0x503 [ 3972.638950] [] ? netlink_sendskb+0x35/0x35 [ 3972.655394] [] netlink_sendmsg+0x860/0x877 [ 3972.672700] [] ? netlink_unicast+0x503/0x503 [ 3972.691101] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3972.709203] [] ? netlink_unicast+0x503/0x503 [ 3972.732148] [] sock_sendmsg+0xe9/0x116 [ 3972.748481] [] ? ___sys_sendmsg+0x40c/0x789 [ 3972.763939] [] ___sys_sendmsg+0x5de/0x789 [ 3972.781648] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3972.799592] [] ? vm_normal_page+0x1aa/0x1aa [ 3972.816714] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3972.837839] [] ? compound_head+0x4e/0x56 [ 3972.854500] [] ? handle_mm_fault+0x1e11/0x2102 [ 3972.872697] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3972.891537] [] ? __fget_light+0xe6/0xf0 [ 3972.905436] [] __sys_sendmsg+0xdd/0x167 [ 3972.921350] [] ? __sys_sendmsg+0xdd/0x167 [ 3972.937601] [] ? SyS_shutdown+0x29/0x29 [ 3972.954467] [] SyS_sendmsg+0x3a/0x4f [ 3972.970273] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3972.988046] ================================================================================ [ 3973.020984] ================================================================================ [ 3973.048418] UBSAN: Undefined behaviour in net/sched/sch_generic.c:784:18 [ 3973.067992] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3973.097185] which requires 64 byte alignment [ 3973.107800] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3973.127873] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3973.155503] 00000000ffffffff 00000000f797e7aa ffff88005a45ef78 ffffffffb26ec5cc [ 3973.177851] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3973.202578] ffffffff00000010 ffff88005a45efa0 ffff88005a45ef50 ffffffffb363c3e0 [ 3973.224922] Call Trace: [ 3973.232356] [] dump_stack+0xd7/0x132 [ 3973.250231] [] ? arch_local_irq_restore+0x1b/0x1b [ 3973.267195] [] ubsan_epilogue+0x12/0x53 [ 3973.283670] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3973.304122] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3973.324603] [] ? dev_activate+0x42b/0x42b [ 3973.341304] [] dev_activate+0x18d/0x42b [ 3973.358080] [] ? qdisc_create_dflt+0x14e/0x14e [ 3973.376129] [] ? do_softirq+0x3d/0x40 [ 3973.390809] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3973.407639] [] ? dev_set_rx_mode+0x39/0x39 [ 3973.424081] [] __dev_open+0x211/0x287 [ 3973.438146] [] ? __do_softirq+0x42a/0x59e [ 3973.454885] [] __dev_change_flags+0x137/0x2e9 [ 3973.474125] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3973.495106] [] dev_change_flags+0x89/0x10f [ 3973.509783] [] do_setlink+0xb05/0x2647 [ 3973.524598] [] ? univ8250_console_setup+0x15a/0x15a [ 3973.542302] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3973.561378] [] ? console_unlock+0x6a9/0x6b8 [ 3973.578894] [] ? vprintk_emit+0x636/0x647 [ 3973.596187] [] ? vprintk_default+0x65/0x6e [ 3973.611701] [] ? ubsan_epilogue+0x26/0x53 [ 3973.626916] [] ? arch_local_irq_restore+0x6/0xd [ 3973.642404] [] ? validate_linkmsg+0x462/0x4a0 [ 3973.658352] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3973.675573] [] rtnl_newlink+0x98a/0x1165 [ 3973.691524] [] ? rtnl_newlink+0x4db/0x1165 [ 3973.709596] [] ? rtnl_newlink+0x457/0x1165 [ 3973.729819] [] ? rtnl_link_unregister+0x20d/0x20d [ 3973.750586] [] ? save_stack+0xc4/0xce [ 3973.762983] [] ? save_stack_trace+0x31/0xf1 [ 3973.782689] [] ? save_stack+0x46/0xce [ 3973.797174] [] ? security_capable+0xaa/0xb9 [ 3973.817186] [] ? ns_capable_common+0x149/0x153 [ 3973.834812] [] ? __netlink_ns_capable+0xf3/0xff [ 3973.853643] [] ? rtnl_link_unregister+0x20d/0x20d [ 3973.874540] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3973.892276] [] ? rtnl_newlink+0x1165/0x1165 [ 3973.909449] [] ? mutex_set_owner+0x8e/0xc6 [ 3973.925357] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3973.947776] [] ? rtnl_newlink+0x1165/0x1165 [ 3973.964200] [] netlink_rcv_skb+0x173/0x25b [ 3973.977382] [] rtnetlink_rcv+0x28/0x2f [ 3973.993366] [] netlink_unicast+0x3fc/0x503 [ 3974.008441] [] ? netlink_sendskb+0x35/0x35 [ 3974.023160] [] netlink_sendmsg+0x860/0x877 [ 3974.040084] [] ? netlink_unicast+0x503/0x503 [ 3974.056606] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3974.079007] [] ? netlink_unicast+0x503/0x503 [ 3974.097190] [] sock_sendmsg+0xe9/0x116 [ 3974.112400] [] ? ___sys_sendmsg+0x40c/0x789 [ 3974.131684] [] ___sys_sendmsg+0x5de/0x789 [ 3974.151101] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3974.168890] [] ? vm_normal_page+0x1aa/0x1aa [ 3974.184262] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3974.213096] [] ? compound_head+0x4e/0x56 [ 3974.231827] [] ? handle_mm_fault+0x1e11/0x2102 [ 3974.250151] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3974.266677] [] ? __fget_light+0xe6/0xf0 [ 3974.282805] [] __sys_sendmsg+0xdd/0x167 [ 3974.300987] [] ? __sys_sendmsg+0xdd/0x167 [ 3974.318432] [] ? SyS_shutdown+0x29/0x29 [ 3974.333642] [] SyS_sendmsg+0x3a/0x4f [ 3974.347978] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3974.365437] ================================================================================ [ 3974.397961] ================================================================================ [ 3974.423369] UBSAN: Undefined behaviour in net/sched/sch_generic.c:798:16 [ 3974.442590] member access within misaligned address ffff88005bdaf8e0 for type 'struct netdev_queue' [ 3974.470182] which requires 64 byte alignment [ 3974.480563] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3974.500251] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3974.527868] 00000000ffffffff 00000000f797e7aa ffff88005a45eea8 ffffffffb26ec5cc [ 3974.549786] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3974.572036] 0000000000000010 ffff88005a45eed0 ffff88005a45ee80 ffffffffb363c3e0 [ 3974.592315] Call Trace: [ 3974.598776] [] dump_stack+0xd7/0x132 [ 3974.612541] [] ? arch_local_irq_restore+0x1b/0x1b [ 3974.630959] [] ubsan_epilogue+0x12/0x53 [ 3974.649484] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3974.669113] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3974.689904] [] transition_one_qdisc+0x89/0x1a2 [ 3974.709007] [] ? dev_graft_qdisc+0x1be/0x1be [ 3974.731588] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3974.752155] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3974.772843] [] ? dev_graft_qdisc+0x1be/0x1be [ 3974.789883] [] netdev_for_each_tx_queue+0x9a/0xac [ 3974.808419] [] dev_activate+0x2cc/0x42b [ 3974.823096] [] ? qdisc_create_dflt+0x14e/0x14e [ 3974.840724] [] ? do_softirq+0x3d/0x40 [ 3974.857142] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3974.876557] [] ? dev_set_rx_mode+0x39/0x39 [ 3974.896464] [] __dev_open+0x211/0x287 [ 3974.909273] [] ? __do_softirq+0x42a/0x59e [ 3974.923082] [] __dev_change_flags+0x137/0x2e9 [ 3974.939840] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3974.961468] [] dev_change_flags+0x89/0x10f [ 3974.976913] [] do_setlink+0xb05/0x2647 [ 3974.994619] [] ? univ8250_console_setup+0x15a/0x15a [ 3975.010015] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3975.027960] [] ? console_unlock+0x6a9/0x6b8 [ 3975.044218] [] ? vprintk_emit+0x636/0x647 [ 3975.059357] [] ? vprintk_default+0x65/0x6e [ 3975.075500] [] ? ubsan_epilogue+0x26/0x53 [ 3975.092429] [] ? arch_local_irq_restore+0x6/0xd [ 3975.113811] [] ? validate_linkmsg+0x462/0x4a0 [ 3975.130807] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3975.148411] [] rtnl_newlink+0x98a/0x1165 [ 3975.163600] [] ? rtnl_newlink+0x4db/0x1165 [ 3975.180334] [] ? rtnl_newlink+0x457/0x1165 [ 3975.199161] [] ? rtnl_link_unregister+0x20d/0x20d [ 3975.216503] [] ? save_stack+0xc4/0xce [ 3975.235427] [] ? save_stack_trace+0x31/0xf1 [ 3975.252693] [] ? save_stack+0x46/0xce [ 3975.267989] [] ? security_capable+0xaa/0xb9 [ 3975.282724] [] ? ns_capable_common+0x149/0x153 [ 3975.301645] [] ? __netlink_ns_capable+0xf3/0xff [ 3975.317462] [] ? rtnl_link_unregister+0x20d/0x20d [ 3975.333776] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3975.351558] [] ? rtnl_newlink+0x1165/0x1165 [ 3975.366835] [] ? mutex_set_owner+0x8e/0xc6 [ 3975.380027] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3975.398728] [] ? rtnl_newlink+0x1165/0x1165 [ 3975.416043] [] netlink_rcv_skb+0x173/0x25b [ 3975.431644] [] rtnetlink_rcv+0x28/0x2f [ 3975.447994] [] netlink_unicast+0x3fc/0x503 [ 3975.468711] [] ? netlink_sendskb+0x35/0x35 [ 3975.482060] [] netlink_sendmsg+0x860/0x877 [ 3975.500416] [] ? netlink_unicast+0x503/0x503 [ 3975.518901] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3975.535831] [] ? netlink_unicast+0x503/0x503 [ 3975.551816] [] sock_sendmsg+0xe9/0x116 [ 3975.567165] [] ? ___sys_sendmsg+0x40c/0x789 [ 3975.585324] [] ___sys_sendmsg+0x5de/0x789 [ 3975.601646] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3975.619103] [] ? vm_normal_page+0x1aa/0x1aa [ 3975.635258] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3975.654188] [] ? compound_head+0x4e/0x56 [ 3975.671029] [] ? handle_mm_fault+0x1e11/0x2102 [ 3975.689931] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3975.706145] [] ? __fget_light+0xe6/0xf0 [ 3975.722369] [] __sys_sendmsg+0xdd/0x167 [ 3975.741974] [] ? __sys_sendmsg+0xdd/0x167 [ 3975.759229] [] ? SyS_shutdown+0x29/0x29 [ 3975.775082] [] SyS_sendmsg+0x3a/0x4f [ 3975.791856] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3975.810858] ================================================================================ [ 3975.846658] ================================================================================ [ 3975.872542] UBSAN: Undefined behaviour in net/sched/sch_generic.c:806:26 [ 3975.894985] member access within misaligned address ffff88005bdaf8e0 for type 'struct netdev_queue' [ 3975.925815] which requires 64 byte alignment [ 3975.939026] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3975.958523] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3975.986272] 00000000ffffffff 00000000f797e7aa ffff88005a45eea8 ffffffffb26ec5cc [ 3976.011089] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3976.032272] ffffffff00000010 ffff88005a45eed0 ffff88005a45ee80 ffffffffb363c3e0 [ 3976.054048] Call Trace: [ 3976.061293] [] dump_stack+0xd7/0x132 [ 3976.075924] [] ? arch_local_irq_restore+0x1b/0x1b [ 3976.093669] [] ubsan_epilogue+0x12/0x53 [ 3976.112771] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3976.131478] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3976.153355] [] transition_one_qdisc+0x127/0x1a2 [ 3976.169274] [] ? dev_graft_qdisc+0x1be/0x1be [ 3976.186477] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3976.206475] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3976.230327] [] ? dev_graft_qdisc+0x1be/0x1be [ 3976.245334] [] netdev_for_each_tx_queue+0x9a/0xac [ 3976.263380] [] dev_activate+0x2cc/0x42b [ 3976.279021] [] ? qdisc_create_dflt+0x14e/0x14e [ 3976.296805] [] ? do_softirq+0x3d/0x40 [ 3976.313813] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3976.333905] [] ? dev_set_rx_mode+0x39/0x39 [ 3976.352227] [] __dev_open+0x211/0x287 [ 3976.367736] [] ? __do_softirq+0x42a/0x59e [ 3976.381052] [] __dev_change_flags+0x137/0x2e9 [ 3976.399710] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3976.421798] [] dev_change_flags+0x89/0x10f [ 3976.437214] [] do_setlink+0xb05/0x2647 [ 3976.452593] [] ? univ8250_console_setup+0x15a/0x15a [ 3976.472840] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3976.491770] [] ? console_unlock+0x6a9/0x6b8 [ 3976.509578] [] ? vprintk_emit+0x636/0x647 [ 3976.526344] [] ? vprintk_default+0x65/0x6e [ 3976.540853] [] ? ubsan_epilogue+0x26/0x53 [ 3976.558263] [] ? arch_local_irq_restore+0x6/0xd [ 3976.576387] [] ? validate_linkmsg+0x462/0x4a0 [ 3976.592194] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3976.607003] [] rtnl_newlink+0x98a/0x1165 [ 3976.623332] [] ? rtnl_newlink+0x4db/0x1165 [ 3976.639561] [] ? rtnl_newlink+0x457/0x1165 [ 3976.658123] [] ? rtnl_link_unregister+0x20d/0x20d [ 3976.685274] [] ? save_stack+0xc4/0xce [ 3976.701592] [] ? save_stack_trace+0x31/0xf1 [ 3976.721045] [] ? save_stack+0x46/0xce [ 3976.739830] [] ? security_capable+0xaa/0xb9 [ 3976.760180] [] ? ns_capable_common+0x149/0x153 [ 3976.782492] [] ? __netlink_ns_capable+0xf3/0xff [ 3976.988334] [] ? rtnl_link_unregister+0x20d/0x20d [ 3977.006741] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3977.025067] [] ? rtnl_newlink+0x1165/0x1165 [ 3977.042435] [] ? mutex_set_owner+0x8e/0xc6 [ 3977.060986] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3977.086062] [] ? rtnl_newlink+0x1165/0x1165 [ 3977.105418] [] netlink_rcv_skb+0x173/0x25b [ 3977.125048] [] rtnetlink_rcv+0x28/0x2f [ 3977.141743] [] netlink_unicast+0x3fc/0x503 [ 3977.158393] [] ? netlink_sendskb+0x35/0x35 [ 3977.173812] [] netlink_sendmsg+0x860/0x877 [ 3977.191848] [] ? netlink_unicast+0x503/0x503 [ 3977.208347] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3977.224761] [] ? netlink_unicast+0x503/0x503 [ 3977.238715] [] sock_sendmsg+0xe9/0x116 [ 3977.254388] [] ? ___sys_sendmsg+0x40c/0x789 [ 3977.270750] [] ___sys_sendmsg+0x5de/0x789 [ 3977.284680] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3977.302947] [] ? vm_normal_page+0x1aa/0x1aa [ 3977.317993] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3977.340410] [] ? compound_head+0x4e/0x56 [ 3977.356218] [] ? handle_mm_fault+0x1e11/0x2102 [ 3977.376219] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3977.395045] [] ? __fget_light+0xe6/0xf0 [ 3977.412262] [] __sys_sendmsg+0xdd/0x167 [ 3977.428804] [] ? __sys_sendmsg+0xdd/0x167 [ 3977.446644] [] ? SyS_shutdown+0x29/0x29 [ 3977.461044] [] SyS_sendmsg+0x3a/0x4f [ 3977.478254] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3977.509469] ================================================================================ [ 3977.546195] ================================================================================ [ 3977.581207] UBSAN: Undefined behaviour in ./include/linux/rtnetlink.h:77:9 [ 3977.613305] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3977.641625] which requires 64 byte alignment [ 3977.654568] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3977.676042] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3977.704585] 00000000ffffffff 00000000f797e7aa ffff88005a45ef78 ffffffffb26ec5cc [ 3977.730138] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3977.753825] 0000000000000010 ffff88005a45efa0 ffff88005a45ef50 ffffffffb363c3e0 [ 3977.776324] Call Trace: [ 3977.782816] [] dump_stack+0xd7/0x132 [ 3977.805431] [] ? arch_local_irq_restore+0x1b/0x1b [ 3977.824438] [] ubsan_epilogue+0x12/0x53 [ 3977.842352] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3977.870346] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3977.894752] [] ? dev_graft_qdisc+0x1be/0x1be [ 3977.919573] [] dev_activate+0x2e5/0x42b [ 3977.942736] [] ? qdisc_create_dflt+0x14e/0x14e [ 3977.967155] [] ? do_softirq+0x3d/0x40 [ 3977.991252] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3978.019490] [] ? dev_set_rx_mode+0x39/0x39 [ 3978.040898] [] __dev_open+0x211/0x287 [ 3978.059040] [] ? __do_softirq+0x42a/0x59e [ 3978.082555] [] __dev_change_flags+0x137/0x2e9 [ 3978.108516] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3978.141873] [] dev_change_flags+0x89/0x10f [ 3978.165346] [] do_setlink+0xb05/0x2647 [ 3978.188147] [] ? univ8250_console_setup+0x15a/0x15a [ 3978.215296] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3978.242806] [] ? console_unlock+0x6a9/0x6b8 [ 3978.264926] [] ? vprintk_emit+0x636/0x647 [ 3978.287903] [] ? vprintk_default+0x65/0x6e [ 3978.305004] [] ? ubsan_epilogue+0x26/0x53 [ 3978.326529] [] ? arch_local_irq_restore+0x6/0xd [ 3978.362293] [] ? validate_linkmsg+0x462/0x4a0 [ 3978.476694] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3978.509374] [] rtnl_newlink+0x98a/0x1165 [ 3978.527515] [] ? rtnl_newlink+0x4db/0x1165 [ 3978.546907] [] ? rtnl_newlink+0x457/0x1165 [ 3978.570086] [] ? rtnl_link_unregister+0x20d/0x20d [ 3978.592242] [] ? save_stack+0xc4/0xce [ 3978.611635] [] ? save_stack_trace+0x31/0xf1 [ 3978.633961] [] ? save_stack+0x46/0xce [ 3978.654015] [] ? security_capable+0xaa/0xb9 [ 3978.673584] [] ? ns_capable_common+0x149/0x153 [ 3978.693270] [] ? __netlink_ns_capable+0xf3/0xff [ 3978.713452] [] ? rtnl_link_unregister+0x20d/0x20d [ 3978.733734] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3978.754440] [] ? rtnl_newlink+0x1165/0x1165 [ 3978.775710] [] ? mutex_set_owner+0x8e/0xc6 [ 3978.800816] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3978.825685] [] ? rtnl_newlink+0x1165/0x1165 [ 3978.847208] [] netlink_rcv_skb+0x173/0x25b [ 3978.873725] [] rtnetlink_rcv+0x28/0x2f [ 3978.893605] [] netlink_unicast+0x3fc/0x503 [ 3978.915434] [] ? netlink_sendskb+0x35/0x35 [ 3978.938366] [] netlink_sendmsg+0x860/0x877 [ 3978.958615] [] ? netlink_unicast+0x503/0x503 [ 3978.983459] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3979.004955] [] ? netlink_unicast+0x503/0x503 [ 3979.025866] [] sock_sendmsg+0xe9/0x116 [ 3979.045428] [] ? ___sys_sendmsg+0x40c/0x789 [ 3979.061054] [] ___sys_sendmsg+0x5de/0x789 [ 3979.085737] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3979.105400] [] ? vm_normal_page+0x1aa/0x1aa [ 3979.126075] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3979.152624] [] ? compound_head+0x4e/0x56 [ 3979.172141] [] ? handle_mm_fault+0x1e11/0x2102 [ 3979.190629] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3979.210744] [] ? __fget_light+0xe6/0xf0 [ 3979.229066] [] __sys_sendmsg+0xdd/0x167 [ 3979.249720] [] ? __sys_sendmsg+0xdd/0x167 [ 3979.265729] [] ? SyS_shutdown+0x29/0x29 [ 3979.283778] [] SyS_sendmsg+0x3a/0x4f [ 3979.301046] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3979.321987] ================================================================================ [ 3979.352060] ================================================================================ [ 3979.377397] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:1949:13 [ 3979.400464] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 3979.429077] which requires 64 byte alignment [ 3979.444246] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3979.472682] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3979.503984] 00000000ffffffff 00000000f797e7aa ffff88005a45ef78 ffffffffb26ec5cc [ 3979.529908] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3979.556925] ffffffff00000010 ffff88005a45efa0 ffff88005a45ef50 ffffffffb363c3e0 [ 3979.581840] Call Trace: [ 3979.592275] [] dump_stack+0xd7/0x132 [ 3979.609710] [] ? arch_local_irq_restore+0x1b/0x1b [ 3979.636125] [] ubsan_epilogue+0x12/0x53 [ 3979.657358] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3979.684787] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3979.722785] [] ? dev_graft_qdisc+0x1be/0x1be [ 3979.742317] [] dev_activate+0x356/0x42b [ 3979.766246] [] ? qdisc_create_dflt+0x14e/0x14e [ 3979.796151] [] ? do_softirq+0x3d/0x40 [ 3979.817530] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3979.850050] [] ? dev_set_rx_mode+0x39/0x39 [ 3979.871383] [] __dev_open+0x211/0x287 [ 3979.894591] [] ? __do_softirq+0x42a/0x59e [ 3979.920527] [] __dev_change_flags+0x137/0x2e9 [ 3979.945197] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3979.971820] [] dev_change_flags+0x89/0x10f [ 3979.992174] [] do_setlink+0xb05/0x2647 [ 3980.008086] [] ? univ8250_console_setup+0x15a/0x15a [ 3980.034465] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3980.056771] [] ? console_unlock+0x6a9/0x6b8 [ 3980.074698] [] ? vprintk_emit+0x636/0x647 [ 3980.092785] [] ? vprintk_default+0x65/0x6e [ 3980.107423] [] ? ubsan_epilogue+0x26/0x53 [ 3980.126378] [] ? arch_local_irq_restore+0x6/0xd [ 3980.159570] [] ? validate_linkmsg+0x462/0x4a0 [ 3980.243708] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3980.277919] [] rtnl_newlink+0x98a/0x1165 [ 3980.297588] [] ? rtnl_newlink+0x4db/0x1165 [ 3980.313741] [] ? rtnl_newlink+0x457/0x1165 [ 3980.331051] [] ? rtnl_link_unregister+0x20d/0x20d [ 3980.347954] [] ? save_stack+0xc4/0xce [ 3980.363037] [] ? save_stack_trace+0x31/0xf1 [ 3980.380424] [] ? save_stack+0x46/0xce [ 3980.395429] [] ? security_capable+0xaa/0xb9 [ 3980.410759] [] ? ns_capable_common+0x149/0x153 [ 3980.429381] [] ? __netlink_ns_capable+0xf3/0xff [ 3980.450383] [] ? rtnl_link_unregister+0x20d/0x20d [ 3980.467174] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3980.486258] [] ? rtnl_newlink+0x1165/0x1165 [ 3980.504743] [] ? mutex_set_owner+0x8e/0xc6 [ 3980.519876] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3980.540478] [] ? rtnl_newlink+0x1165/0x1165 [ 3980.557756] [] netlink_rcv_skb+0x173/0x25b [ 3980.571752] [] rtnetlink_rcv+0x28/0x2f [ 3980.587675] [] netlink_unicast+0x3fc/0x503 [ 3980.601764] [] ? netlink_sendskb+0x35/0x35 [ 3980.621593] [] netlink_sendmsg+0x860/0x877 [ 3980.640642] [] ? netlink_unicast+0x503/0x503 [ 3980.662008] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3980.684281] [] ? netlink_unicast+0x503/0x503 [ 3980.704463] [] sock_sendmsg+0xe9/0x116 [ 3980.720740] [] ? ___sys_sendmsg+0x40c/0x789 [ 3980.742223] [] ___sys_sendmsg+0x5de/0x789 [ 3980.757946] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3980.778700] [] ? vm_normal_page+0x1aa/0x1aa [ 3980.799769] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3980.822026] [] ? compound_head+0x4e/0x56 [ 3980.840370] [] ? handle_mm_fault+0x1e11/0x2102 [ 3980.856313] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3980.878816] [] ? __fget_light+0xe6/0xf0 [ 3980.897468] [] __sys_sendmsg+0xdd/0x167 [ 3980.912410] [] ? __sys_sendmsg+0xdd/0x167 [ 3980.929331] [] ? SyS_shutdown+0x29/0x29 [ 3980.947260] [] SyS_sendmsg+0x3a/0x4f [ 3980.962384] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3980.984473] ================================================================================ [ 3981.008984] ================================================================================ [ 3981.033864] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:3564:9 [ 3981.056591] member access within misaligned address ffff88005bdaf8e0 for type 'struct netdev_queue' [ 3981.083093] which requires 64 byte alignment [ 3981.096849] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3981.116817] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3981.148601] 00000000ffffffff 00000000f797e7aa ffff88005a45ef78 ffffffffb26ec5cc [ 3981.173330] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3981.194650] ffffffff00000010 ffff88005a45efa0 ffff88005a45ef50 ffffffffb363c3e0 [ 3981.218738] Call Trace: [ 3981.224885] [] dump_stack+0xd7/0x132 [ 3981.240370] [] ? arch_local_irq_restore+0x1b/0x1b [ 3981.259334] [] ubsan_epilogue+0x12/0x53 [ 3981.274822] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3981.296010] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3981.316762] [] ? dev_graft_qdisc+0x1be/0x1be [ 3981.335510] [] dev_activate+0x383/0x42b [ 3981.354111] [] ? qdisc_create_dflt+0x14e/0x14e [ 3981.372869] [] ? do_softirq+0x3d/0x40 [ 3981.389445] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3981.408330] [] ? dev_set_rx_mode+0x39/0x39 [ 3981.425931] [] __dev_open+0x211/0x287 [ 3981.444083] [] ? __do_softirq+0x42a/0x59e [ 3981.461676] [] __dev_change_flags+0x137/0x2e9 [ 3981.479686] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3981.500241] [] dev_change_flags+0x89/0x10f [ 3981.518837] [] do_setlink+0xb05/0x2647 [ 3981.534425] [] ? univ8250_console_setup+0x15a/0x15a [ 3981.553702] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3981.571271] [] ? console_unlock+0x6a9/0x6b8 [ 3981.589130] [] ? vprintk_emit+0x636/0x647 [ 3981.603122] [] ? vprintk_default+0x65/0x6e [ 3981.621893] [] ? ubsan_epilogue+0x26/0x53 [ 3981.641497] [] ? arch_local_irq_restore+0x6/0xd [ 3981.659371] [] ? validate_linkmsg+0x462/0x4a0 [ 3981.678540] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3981.695369] [] rtnl_newlink+0x98a/0x1165 [ 3981.711800] [] ? rtnl_newlink+0x4db/0x1165 [ 3981.730375] [] ? rtnl_newlink+0x457/0x1165 [ 3981.747454] [] ? rtnl_link_unregister+0x20d/0x20d [ 3981.764074] [] ? save_stack+0xc4/0xce [ 3981.781992] [] ? save_stack_trace+0x31/0xf1 [ 3981.800472] [] ? save_stack+0x46/0xce [ 3981.818315] [] ? security_capable+0xaa/0xb9 [ 3981.835570] [] ? ns_capable_common+0x149/0x153 [ 3981.853555] [] ? __netlink_ns_capable+0xf3/0xff [ 3981.870332] [] ? rtnl_link_unregister+0x20d/0x20d [ 3981.890825] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3981.909903] [] ? rtnl_newlink+0x1165/0x1165 [ 3981.928553] [] ? mutex_set_owner+0x8e/0xc6 [ 3981.949642] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3981.970809] [] ? rtnl_newlink+0x1165/0x1165 [ 3981.987859] [] netlink_rcv_skb+0x173/0x25b [ 3982.006540] [] rtnetlink_rcv+0x28/0x2f [ 3982.022739] [] netlink_unicast+0x3fc/0x503 [ 3982.041939] [] ? netlink_sendskb+0x35/0x35 [ 3982.058271] [] netlink_sendmsg+0x860/0x877 [ 3982.076674] [] ? netlink_unicast+0x503/0x503 [ 3982.096061] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3982.119907] [] ? netlink_unicast+0x503/0x503 [ 3982.138986] [] sock_sendmsg+0xe9/0x116 [ 3982.158623] [] ? ___sys_sendmsg+0x40c/0x789 [ 3982.177138] [] ___sys_sendmsg+0x5de/0x789 [ 3982.196041] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3982.218226] [] ? vm_normal_page+0x1aa/0x1aa [ 3982.238988] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3982.260682] [] ? compound_head+0x4e/0x56 [ 3982.278354] [] ? handle_mm_fault+0x1e11/0x2102 [ 3982.297542] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3982.318042] [] ? __fget_light+0xe6/0xf0 [ 3982.337901] [] __sys_sendmsg+0xdd/0x167 [ 3982.357752] [] ? __sys_sendmsg+0xdd/0x167 [ 3982.376211] [] ? SyS_shutdown+0x29/0x29 [ 3982.395004] [] SyS_sendmsg+0x3a/0x4f [ 3982.414166] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3982.437450] ================================================================================ [ 3982.463773] ================================================================================ [ 3982.490042] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:3565:20 [ 3982.509106] member access within misaligned address ffff88005bdaf8e0 for type 'struct netdev_queue' [ 3982.540538] which requires 64 byte alignment [ 3982.554419] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3982.578181] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3982.612303] 00000000ffffffff 00000000f797e7aa ffff88005a45ef78 ffffffffb26ec5cc [ 3982.638211] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3982.660823] ffffffff00000010 ffff88005a45efa0 ffff88005a45ef50 ffffffffb363c3e0 [ 3982.689237] Call Trace: [ 3982.696759] [] dump_stack+0xd7/0x132 [ 3982.713008] [] ? arch_local_irq_restore+0x1b/0x1b [ 3982.741316] [] ubsan_epilogue+0x12/0x53 [ 3982.760845] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3982.789394] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3982.811627] [] ? dev_graft_qdisc+0x1be/0x1be [ 3982.834188] [] dev_activate+0x3d6/0x42b [ 3982.851558] [] ? qdisc_create_dflt+0x14e/0x14e [ 3982.873146] [] ? do_softirq+0x3d/0x40 [ 3982.891628] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3982.908866] [] ? dev_set_rx_mode+0x39/0x39 [ 3982.926364] [] __dev_open+0x211/0x287 [ 3982.943125] [] ? __do_softirq+0x42a/0x59e [ 3982.958248] [] __dev_change_flags+0x137/0x2e9 [ 3982.975708] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3983.001642] [] dev_change_flags+0x89/0x10f [ 3983.020382] [] do_setlink+0xb05/0x2647 [ 3983.035447] [] ? univ8250_console_setup+0x15a/0x15a [ 3983.056068] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3983.078672] [] ? console_unlock+0x6a9/0x6b8 [ 3983.100112] [] ? vprintk_emit+0x636/0x647 [ 3983.121771] [] ? vprintk_default+0x65/0x6e [ 3983.145407] [] ? ubsan_epilogue+0x26/0x53 [ 3983.164060] [] ? arch_local_irq_restore+0x6/0xd [ 3983.184638] [] ? validate_linkmsg+0x462/0x4a0 [ 3983.204436] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3983.225771] [] rtnl_newlink+0x98a/0x1165 [ 3983.244977] [] ? rtnl_newlink+0x4db/0x1165 [ 3983.262235] [] ? rtnl_newlink+0x457/0x1165 [ 3983.284667] [] ? rtnl_link_unregister+0x20d/0x20d [ 3983.304892] [] ? save_stack+0xc4/0xce [ 3983.322901] [] ? save_stack_trace+0x31/0xf1 [ 3983.341103] [] ? save_stack+0x46/0xce [ 3983.357289] [] ? security_capable+0xaa/0xb9 [ 3983.374915] [] ? ns_capable_common+0x149/0x153 [ 3983.401018] [] ? __netlink_ns_capable+0xf3/0xff [ 3983.427471] [] ? rtnl_link_unregister+0x20d/0x20d [ 3983.451374] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3983.477590] [] ? rtnl_newlink+0x1165/0x1165 [ 3983.494871] [] ? mutex_set_owner+0x8e/0xc6 [ 3983.513047] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3983.535367] [] ? rtnl_newlink+0x1165/0x1165 [ 3983.552691] [] netlink_rcv_skb+0x173/0x25b [ 3983.571919] [] rtnetlink_rcv+0x28/0x2f [ 3983.589372] [] netlink_unicast+0x3fc/0x503 [ 3983.604191] [] ? netlink_sendskb+0x35/0x35 [ 3983.621112] [] netlink_sendmsg+0x860/0x877 [ 3983.638981] [] ? netlink_unicast+0x503/0x503 [ 3983.656397] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3983.678632] [] ? netlink_unicast+0x503/0x503 [ 3983.698940] [] sock_sendmsg+0xe9/0x116 [ 3983.715159] [] ? ___sys_sendmsg+0x40c/0x789 [ 3983.738191] [] ___sys_sendmsg+0x5de/0x789 [ 3983.756112] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3983.773083] [] ? vm_normal_page+0x1aa/0x1aa [ 3983.790563] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3983.811346] [] ? compound_head+0x4e/0x56 [ 3983.826232] [] ? handle_mm_fault+0x1e11/0x2102 [ 3983.845181] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3983.860829] [] ? __fget_light+0xe6/0xf0 [ 3983.879440] [] __sys_sendmsg+0xdd/0x167 [ 3983.897001] [] ? __sys_sendmsg+0xdd/0x167 [ 3983.915209] [] ? SyS_shutdown+0x29/0x29 [ 3983.930438] [] SyS_sendmsg+0x3a/0x4f [ 3983.944963] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3983.966494] ================================================================================ [ 3983.989212] ================================================================================ [ 3984.015469] UBSAN: Undefined behaviour in net/sched/sch_generic.c:332:9 [ 3984.037855] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3984.064998] which requires 64 byte alignment [ 3984.081480] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3984.102520] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3984.135468] 00000000ffffffff 00000000f797e7aa ffff88005a45ef58 ffffffffb26ec5cc [ 3984.159264] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3984.187191] ffff880000000010 ffff88005a45ef80 ffff88005a45ef30 ffffffffb363c3e0 [ 3984.210042] Call Trace: [ 3984.217235] [] dump_stack+0xd7/0x132 [ 3984.235584] [] ? arch_local_irq_restore+0x1b/0x1b [ 3984.253812] [] ubsan_epilogue+0x12/0x53 [ 3984.273323] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3984.294754] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3984.316223] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3984.338522] [] __netdev_watchdog_up+0x2d/0x15c [ 3984.356498] [] dev_activate+0x3eb/0x42b [ 3984.373987] [] ? qdisc_create_dflt+0x14e/0x14e [ 3984.395263] [] ? do_softirq+0x3d/0x40 [ 3984.409628] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3984.427875] [] ? dev_set_rx_mode+0x39/0x39 [ 3984.447860] [] __dev_open+0x211/0x287 [ 3984.461941] [] ? __do_softirq+0x42a/0x59e [ 3984.479567] [] __dev_change_flags+0x137/0x2e9 [ 3984.499332] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3984.520501] [] dev_change_flags+0x89/0x10f [ 3984.538222] [] do_setlink+0xb05/0x2647 [ 3984.556025] [] ? univ8250_console_setup+0x15a/0x15a [ 3984.576249] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3984.595419] [] ? console_unlock+0x6a9/0x6b8 [ 3984.613086] [] ? vprintk_emit+0x636/0x647 [ 3984.630019] [] ? vprintk_default+0x65/0x6e [ 3984.647041] [] ? ubsan_epilogue+0x26/0x53 [ 3984.664635] [] ? arch_local_irq_restore+0x6/0xd [ 3984.682929] [] ? validate_linkmsg+0x462/0x4a0 [ 3984.699277] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3984.718870] [] rtnl_newlink+0x98a/0x1165 [ 3984.736829] [] ? rtnl_newlink+0x4db/0x1165 [ 3984.753640] [] ? rtnl_newlink+0x457/0x1165 [ 3984.770025] [] ? rtnl_link_unregister+0x20d/0x20d [ 3984.787986] [] ? save_stack+0xc4/0xce [ 3984.804238] [] ? save_stack_trace+0x31/0xf1 [ 3984.821586] [] ? save_stack+0x46/0xce [ 3984.839326] [] ? security_capable+0xaa/0xb9 [ 3984.856094] [] ? ns_capable_common+0x149/0x153 [ 3984.873188] [] ? __netlink_ns_capable+0xf3/0xff [ 3984.892478] [] ? rtnl_link_unregister+0x20d/0x20d [ 3984.914144] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3984.929805] [] ? rtnl_newlink+0x1165/0x1165 [ 3984.948825] [] ? mutex_set_owner+0x8e/0xc6 [ 3984.966339] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3984.986155] [] ? rtnl_newlink+0x1165/0x1165 [ 3985.003569] [] netlink_rcv_skb+0x173/0x25b [ 3985.021359] [] rtnetlink_rcv+0x28/0x2f [ 3985.037333] [] netlink_unicast+0x3fc/0x503 [ 3985.054073] [] ? netlink_sendskb+0x35/0x35 [ 3985.071170] [] netlink_sendmsg+0x860/0x877 [ 3985.087346] [] ? netlink_unicast+0x503/0x503 [ 3985.105603] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3985.124698] [] ? netlink_unicast+0x503/0x503 [ 3985.140764] [] sock_sendmsg+0xe9/0x116 [ 3985.159759] [] ? ___sys_sendmsg+0x40c/0x789 [ 3985.176183] [] ___sys_sendmsg+0x5de/0x789 [ 3985.195242] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3985.213766] [] ? vm_normal_page+0x1aa/0x1aa [ 3985.233284] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3985.253235] [] ? compound_head+0x4e/0x56 [ 3985.269738] [] ? handle_mm_fault+0x1e11/0x2102 [ 3985.286190] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3985.304962] [] ? __fget_light+0xe6/0xf0 [ 3985.323049] [] __sys_sendmsg+0xdd/0x167 [ 3985.340912] [] ? __sys_sendmsg+0xdd/0x167 [ 3985.357660] [] ? SyS_shutdown+0x29/0x29 [ 3985.374721] [] SyS_sendmsg+0x3a/0x4f [ 3985.390263] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3985.407698] ================================================================================ [ 3985.435341] ================================================================================ [ 3985.459341] UBSAN: Undefined behaviour in net/core/dev.c:1347:43 [ 3985.477027] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3985.502534] which requires 64 byte alignment [ 3985.518257] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3985.543523] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3985.578447] 00000000ffffffff 00000000f797e7aa ffff88005a45f010 ffffffffb26ec5cc [ 3985.604976] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3985.629476] 0000000000000010 ffff88005a45f038 ffff88005a45efe8 ffffffffb363c3e0 [ 3985.656382] Call Trace: [ 3985.663481] [] dump_stack+0xd7/0x132 [ 3985.682200] [] ? arch_local_irq_restore+0x1b/0x1b [ 3985.704740] [] ubsan_epilogue+0x12/0x53 [ 3985.723339] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3985.747726] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3985.772777] [] ? do_softirq+0x3d/0x40 [ 3985.791044] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3985.806697] [] ? dev_set_rx_mode+0x39/0x39 [ 3985.822951] [] __dev_open+0x22a/0x287 [ 3985.839855] [] ? __do_softirq+0x42a/0x59e [ 3985.856200] [] __dev_change_flags+0x137/0x2e9 [ 3985.874814] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3985.898038] [] dev_change_flags+0x89/0x10f [ 3985.918944] [] do_setlink+0xb05/0x2647 [ 3985.936074] [] ? univ8250_console_setup+0x15a/0x15a [ 3985.961831] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3985.984481] [] ? console_unlock+0x6a9/0x6b8 [ 3986.006124] [] ? vprintk_emit+0x636/0x647 [ 3986.026624] [] ? vprintk_default+0x65/0x6e [ 3986.045291] [] ? ubsan_epilogue+0x26/0x53 [ 3986.069816] [] ? arch_local_irq_restore+0x6/0xd [ 3986.095443] [] ? validate_linkmsg+0x462/0x4a0 [ 3986.119293] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3986.141864] [] rtnl_newlink+0x98a/0x1165 [ 3986.164360] [] ? rtnl_newlink+0x4db/0x1165 [ 3986.187461] [] ? rtnl_newlink+0x457/0x1165 [ 3986.213588] [] ? rtnl_link_unregister+0x20d/0x20d [ 3986.239017] [] ? save_stack+0xc4/0xce [ 3986.261355] [] ? save_stack_trace+0x31/0xf1 [ 3986.280662] [] ? save_stack+0x46/0xce [ 3986.302912] [] ? security_capable+0xaa/0xb9 [ 3986.326160] [] ? ns_capable_common+0x149/0x153 [ 3986.356072] [] ? __netlink_ns_capable+0xf3/0xff [ 3986.377897] [] ? rtnl_link_unregister+0x20d/0x20d [ 3986.402270] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3986.424398] [] ? rtnl_newlink+0x1165/0x1165 [ 3986.446213] [] ? mutex_set_owner+0x8e/0xc6 [ 3986.467176] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3986.494939] [] ? rtnl_newlink+0x1165/0x1165 [ 3986.515167] [] netlink_rcv_skb+0x173/0x25b [ 3986.543374] [] rtnetlink_rcv+0x28/0x2f [ 3986.564466] [] netlink_unicast+0x3fc/0x503 [ 3986.584445] [] ? netlink_sendskb+0x35/0x35 [ 3986.601321] [] netlink_sendmsg+0x860/0x877 [ 3986.619463] [] ? netlink_unicast+0x503/0x503 [ 3986.638777] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3986.660364] [] ? netlink_unicast+0x503/0x503 [ 3986.677106] [] sock_sendmsg+0xe9/0x116 [ 3986.695427] [] ? ___sys_sendmsg+0x40c/0x789 [ 3986.712919] [] ___sys_sendmsg+0x5de/0x789 [ 3986.729700] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3986.752758] [] ? vm_normal_page+0x1aa/0x1aa [ 3986.769005] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3986.790945] [] ? compound_head+0x4e/0x56 [ 3986.806738] [] ? handle_mm_fault+0x1e11/0x2102 [ 3986.824831] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3986.844514] [] ? __fget_light+0xe6/0xf0 [ 3986.859504] [] __sys_sendmsg+0xdd/0x167 [ 3986.879963] [] ? __sys_sendmsg+0xdd/0x167 [ 3986.899596] [] ? SyS_shutdown+0x29/0x29 [ 3986.921526] [] SyS_sendmsg+0x3a/0x4f [ 3986.943044] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3986.969797] ================================================================================ [ 3987.000882] ================================================================================ [ 3987.034645] UBSAN: Undefined behaviour in net/core/dev.c:1347:28 [ 3987.058660] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3987.086588] which requires 64 byte alignment [ 3987.099320] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3987.118490] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3987.147351] 00000000ffffffff 00000000f797e7aa ffff88005a45f010 ffffffffb26ec5cc [ 3987.169416] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3987.190086] ffff880000000010 ffff88005a45f038 ffff88005a45efe8 ffffffffb363c3e0 [ 3987.217612] Call Trace: [ 3987.223951] [] dump_stack+0xd7/0x132 [ 3987.243190] [] ? arch_local_irq_restore+0x1b/0x1b [ 3987.264664] [] ubsan_epilogue+0x12/0x53 [ 3987.280144] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3987.302717] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3987.327538] [] ? do_softirq+0x3d/0x40 [ 3987.352265] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 3987.377710] [] ? dev_set_rx_mode+0x39/0x39 [ 3987.399204] [] __dev_open+0x257/0x287 [ 3987.419951] [] ? __do_softirq+0x42a/0x59e [ 3987.441075] [] __dev_change_flags+0x137/0x2e9 [ 3987.461972] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3987.491638] [] dev_change_flags+0x89/0x10f [ 3987.508462] [] do_setlink+0xb05/0x2647 [ 3987.528220] [] ? univ8250_console_setup+0x15a/0x15a [ 3987.548721] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3987.570679] [] ? console_unlock+0x6a9/0x6b8 [ 3987.590320] [] ? vprintk_emit+0x636/0x647 [ 3987.609228] [] ? vprintk_default+0x65/0x6e [ 3987.625950] [] ? ubsan_epilogue+0x26/0x53 [ 3987.644686] [] ? arch_local_irq_restore+0x6/0xd [ 3987.662321] [] ? validate_linkmsg+0x462/0x4a0 [ 3987.681715] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3987.698844] [] rtnl_newlink+0x98a/0x1165 [ 3987.714603] [] ? rtnl_newlink+0x4db/0x1165 [ 3987.732766] [] ? rtnl_newlink+0x457/0x1165 [ 3987.748772] [] ? rtnl_link_unregister+0x20d/0x20d [ 3987.768137] [] ? save_stack+0xc4/0xce [ 3987.781670] [] ? save_stack_trace+0x31/0xf1 [ 3987.801116] [] ? save_stack+0x46/0xce [ 3987.817019] [] ? security_capable+0xaa/0xb9 [ 3987.835816] [] ? ns_capable_common+0x149/0x153 [ 3987.854814] [] ? __netlink_ns_capable+0xf3/0xff [ 3987.872680] [] ? rtnl_link_unregister+0x20d/0x20d [ 3987.893316] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3987.909092] [] ? rtnl_newlink+0x1165/0x1165 [ 3987.924827] [] ? mutex_set_owner+0x8e/0xc6 [ 3987.943801] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3987.962770] [] ? rtnl_newlink+0x1165/0x1165 [ 3987.978334] [] netlink_rcv_skb+0x173/0x25b [ 3987.997347] [] rtnetlink_rcv+0x28/0x2f [ 3988.011916] [] netlink_unicast+0x3fc/0x503 [ 3988.030233] [] ? netlink_sendskb+0x35/0x35 [ 3988.048704] [] netlink_sendmsg+0x860/0x877 [ 3988.067343] [] ? netlink_unicast+0x503/0x503 [ 3988.083840] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3988.104849] [] ? netlink_unicast+0x503/0x503 [ 3988.121098] [] sock_sendmsg+0xe9/0x116 [ 3988.137538] [] ? ___sys_sendmsg+0x40c/0x789 [ 3988.153638] [] ___sys_sendmsg+0x5de/0x789 [ 3988.172689] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3988.191851] [] ? vm_normal_page+0x1aa/0x1aa [ 3988.209980] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3988.228581] [] ? compound_head+0x4e/0x56 [ 3988.244499] [] ? handle_mm_fault+0x1e11/0x2102 [ 3988.263089] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3988.280365] [] ? __fget_light+0xe6/0xf0 [ 3988.297330] [] __sys_sendmsg+0xdd/0x167 [ 3988.313921] [] ? __sys_sendmsg+0xdd/0x167 [ 3988.329402] [] ? SyS_shutdown+0x29/0x29 [ 3988.345823] [] SyS_sendmsg+0x3a/0x4f [ 3988.364040] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3988.380872] ================================================================================ [ 3988.406867] ================================================================================ [ 3988.436188] UBSAN: Undefined behaviour in net/core/dev.c:6399:18 [ 3988.453086] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3988.477985] which requires 64 byte alignment [ 3988.492141] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3988.511940] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3988.539880] 00000000ffffffff 00000000f797e7aa ffff88005a45f040 ffffffffb26ec5cc [ 3988.563810] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3988.593129] 0000000000000010 ffff88005a45f068 ffff88005a45f018 ffffffffb363c3e0 [ 3988.617969] Call Trace: [ 3988.626054] [] dump_stack+0xd7/0x132 [ 3988.645992] [] ? arch_local_irq_restore+0x1b/0x1b [ 3988.665274] [] ubsan_epilogue+0x12/0x53 [ 3988.680702] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3988.704320] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3988.722586] [] ? dev_set_rx_mode+0x39/0x39 [ 3988.739795] [] __dev_change_flags+0x158/0x2e9 [ 3988.757591] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3988.777457] [] dev_change_flags+0x89/0x10f [ 3988.796393] [] do_setlink+0xb05/0x2647 [ 3988.813881] [] ? univ8250_console_setup+0x15a/0x15a [ 3988.833710] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3988.851749] [] ? console_unlock+0x6a9/0x6b8 [ 3988.873752] [] ? vprintk_emit+0x636/0x647 [ 3988.892407] [] ? vprintk_default+0x65/0x6e [ 3988.907546] [] ? ubsan_epilogue+0x26/0x53 [ 3988.923393] [] ? arch_local_irq_restore+0x6/0xd [ 3988.941401] [] ? validate_linkmsg+0x462/0x4a0 [ 3988.958033] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3988.975285] [] rtnl_newlink+0x98a/0x1165 [ 3988.994826] [] ? rtnl_newlink+0x4db/0x1165 [ 3989.009573] [] ? rtnl_newlink+0x457/0x1165 [ 3989.026375] [] ? rtnl_link_unregister+0x20d/0x20d [ 3989.048484] [] ? save_stack+0xc4/0xce [ 3989.066720] [] ? save_stack_trace+0x31/0xf1 [ 3989.085866] [] ? save_stack+0x46/0xce [ 3989.105721] [] ? security_capable+0xaa/0xb9 [ 3989.123819] [] ? ns_capable_common+0x149/0x153 [ 3989.143109] [] ? __netlink_ns_capable+0xf3/0xff [ 3989.164310] [] ? rtnl_link_unregister+0x20d/0x20d [ 3989.181038] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3989.200455] [] ? rtnl_newlink+0x1165/0x1165 [ 3989.219987] [] ? mutex_set_owner+0x8e/0xc6 [ 3989.237756] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3989.261441] [] ? rtnl_newlink+0x1165/0x1165 [ 3989.277666] [] netlink_rcv_skb+0x173/0x25b [ 3989.295295] [] rtnetlink_rcv+0x28/0x2f [ 3989.312739] [] netlink_unicast+0x3fc/0x503 [ 3989.327696] [] ? netlink_sendskb+0x35/0x35 [ 3989.342817] [] netlink_sendmsg+0x860/0x877 [ 3989.361675] [] ? netlink_unicast+0x503/0x503 [ 3989.381673] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3989.400698] [] ? netlink_unicast+0x503/0x503 [ 3989.420366] [] sock_sendmsg+0xe9/0x116 [ 3989.436632] [] ? ___sys_sendmsg+0x40c/0x789 [ 3989.453576] [] ___sys_sendmsg+0x5de/0x789 [ 3989.470023] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3989.490424] [] ? vm_normal_page+0x1aa/0x1aa [ 3989.506169] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3989.528359] [] ? compound_head+0x4e/0x56 [ 3989.545419] [] ? handle_mm_fault+0x1e11/0x2102 [ 3989.565039] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3989.581566] [] ? __fget_light+0xe6/0xf0 [ 3989.599964] [] __sys_sendmsg+0xdd/0x167 [ 3989.618355] [] ? __sys_sendmsg+0xdd/0x167 [ 3989.637921] [] ? SyS_shutdown+0x29/0x29 [ 3989.655341] [] SyS_sendmsg+0x3a/0x4f [ 3989.672239] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3989.692720] ================================================================================ [ 3989.717346] ================================================================================ [ 3989.740437] UBSAN: Undefined behaviour in net/core/dev.c:6414:18 [ 3989.760402] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3989.786748] which requires 64 byte alignment [ 3989.798448] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3989.818641] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3989.847205] 00000000ffffffff 00000000f797e7aa ffff88005a45f040 ffffffffb26ec5cc [ 3989.871867] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3989.895489] ffff880000000010 ffff88005a45f068 ffff88005a45f018 ffffffffb363c3e0 [ 3989.916391] Call Trace: [ 3989.924637] [] dump_stack+0xd7/0x132 [ 3989.940782] [] ? arch_local_irq_restore+0x1b/0x1b [ 3989.962668] [] ubsan_epilogue+0x12/0x53 [ 3989.977184] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3989.998314] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3990.021130] [] ? dev_set_rx_mode+0x39/0x39 [ 3990.041339] [] __dev_change_flags+0x261/0x2e9 [ 3990.076378] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3990.122182] [] dev_change_flags+0x89/0x10f [ 3990.149340] [] do_setlink+0xb05/0x2647 [ 3990.172196] [] ? univ8250_console_setup+0x15a/0x15a [ 3990.190229] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3990.208939] [] ? console_unlock+0x6a9/0x6b8 [ 3990.229068] [] ? vprintk_emit+0x636/0x647 [ 3990.246888] [] ? vprintk_default+0x65/0x6e [ 3990.266817] [] ? ubsan_epilogue+0x26/0x53 [ 3990.283202] [] ? arch_local_irq_restore+0x6/0xd [ 3990.310168] [] ? validate_linkmsg+0x462/0x4a0 [ 3990.331987] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3990.348144] [] rtnl_newlink+0x98a/0x1165 [ 3990.368654] [] ? rtnl_newlink+0x4db/0x1165 [ 3990.384878] [] ? rtnl_newlink+0x457/0x1165 [ 3990.400637] [] ? rtnl_link_unregister+0x20d/0x20d [ 3990.422080] [] ? save_stack+0xc4/0xce [ 3990.438181] [] ? save_stack_trace+0x31/0xf1 [ 3990.458269] [] ? save_stack+0x46/0xce [ 3990.474091] [] ? security_capable+0xaa/0xb9 [ 3990.491033] [] ? ns_capable_common+0x149/0x153 [ 3990.509341] [] ? __netlink_ns_capable+0xf3/0xff [ 3990.526981] [] ? rtnl_link_unregister+0x20d/0x20d [ 3990.544883] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3990.563056] [] ? rtnl_newlink+0x1165/0x1165 [ 3990.579353] [] ? mutex_set_owner+0x8e/0xc6 [ 3990.598477] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3990.621202] [] ? rtnl_newlink+0x1165/0x1165 [ 3990.639691] [] netlink_rcv_skb+0x173/0x25b [ 3990.657034] [] rtnetlink_rcv+0x28/0x2f [ 3990.675658] [] netlink_unicast+0x3fc/0x503 [ 3990.694048] [] ? netlink_sendskb+0x35/0x35 [ 3990.713298] [] netlink_sendmsg+0x860/0x877 [ 3990.728550] [] ? netlink_unicast+0x503/0x503 [ 3990.746409] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3990.767471] [] ? netlink_unicast+0x503/0x503 [ 3990.783099] [] sock_sendmsg+0xe9/0x116 [ 3990.799632] [] ? ___sys_sendmsg+0x40c/0x789 [ 3990.818884] [] ___sys_sendmsg+0x5de/0x789 [ 3990.837454] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3990.858299] [] ? vm_normal_page+0x1aa/0x1aa [ 3990.875987] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3990.897743] [] ? compound_head+0x4e/0x56 [ 3990.912789] [] ? handle_mm_fault+0x1e11/0x2102 [ 3990.932919] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3990.950376] [] ? __fget_light+0xe6/0xf0 [ 3990.966513] [] __sys_sendmsg+0xdd/0x167 [ 3990.983843] [] ? __sys_sendmsg+0xdd/0x167 [ 3991.000017] [] ? SyS_shutdown+0x29/0x29 [ 3991.017503] [] SyS_sendmsg+0x3a/0x4f [ 3991.037310] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3991.057973] ================================================================================ [ 3991.084457] ================================================================================ [ 3991.111577] UBSAN: Undefined behaviour in net/core/dev.c:6466:28 [ 3991.128597] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3991.152591] which requires 64 byte alignment [ 3991.166059] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3991.186518] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3991.215492] 00000000ffffffff 00000000f797e7aa ffff88005a45f088 ffffffffb26ec5cc [ 3991.239307] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3991.261010] 0000000000000010 ffff88005a45f0b0 ffff88005a45f060 ffffffffb363c3e0 [ 3991.283194] Call Trace: [ 3991.292617] [] dump_stack+0xd7/0x132 [ 3991.308376] [] ? arch_local_irq_restore+0x1b/0x1b [ 3991.325962] [] ubsan_epilogue+0x12/0x53 [ 3991.343793] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3991.366776] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3991.386322] [] ? __dev_change_flags+0x2d9/0x2e9 [ 3991.405683] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3991.427152] [] dev_change_flags+0xae/0x10f [ 3991.442990] [] do_setlink+0xb05/0x2647 [ 3991.458809] [] ? univ8250_console_setup+0x15a/0x15a [ 3991.477104] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3991.497225] [] ? console_unlock+0x6a9/0x6b8 [ 3991.516879] [] ? vprintk_emit+0x636/0x647 [ 3991.534834] [] ? vprintk_default+0x65/0x6e [ 3991.550373] [] ? ubsan_epilogue+0x26/0x53 [ 3991.572529] [] ? arch_local_irq_restore+0x6/0xd [ 3991.589494] [] ? validate_linkmsg+0x462/0x4a0 [ 3991.605845] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3991.624767] [] rtnl_newlink+0x98a/0x1165 [ 3991.640731] [] ? rtnl_newlink+0x4db/0x1165 [ 3991.658205] [] ? rtnl_newlink+0x457/0x1165 [ 3991.675644] [] ? rtnl_link_unregister+0x20d/0x20d [ 3991.692236] [] ? save_stack+0xc4/0xce [ 3991.707115] [] ? save_stack_trace+0x31/0xf1 [ 3991.725550] [] ? save_stack+0x46/0xce [ 3991.743495] [] ? security_capable+0xaa/0xb9 [ 3991.762488] [] ? ns_capable_common+0x149/0x153 [ 3991.781738] [] ? __netlink_ns_capable+0xf3/0xff [ 3991.801692] [] ? rtnl_link_unregister+0x20d/0x20d [ 3991.823682] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3991.841053] [] ? rtnl_newlink+0x1165/0x1165 [ 3991.856618] [] ? mutex_set_owner+0x8e/0xc6 [ 3991.874533] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3991.897606] [] ? rtnl_newlink+0x1165/0x1165 [ 3991.917844] [] netlink_rcv_skb+0x173/0x25b [ 3991.935314] [] rtnetlink_rcv+0x28/0x2f [ 3991.956439] [] netlink_unicast+0x3fc/0x503 [ 3991.977858] [] ? netlink_sendskb+0x35/0x35 [ 3991.993441] [] netlink_sendmsg+0x860/0x877 [ 3992.011004] [] ? netlink_unicast+0x503/0x503 [ 3992.028870] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3992.048062] [] ? netlink_unicast+0x503/0x503 [ 3992.066591] [] sock_sendmsg+0xe9/0x116 [ 3992.083340] [] ? ___sys_sendmsg+0x40c/0x789 [ 3992.097764] [] ___sys_sendmsg+0x5de/0x789 [ 3992.114920] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3992.133154] [] ? vm_normal_page+0x1aa/0x1aa [ 3992.148082] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3992.170110] [] ? compound_head+0x4e/0x56 [ 3992.186408] [] ? handle_mm_fault+0x1e11/0x2102 [ 3992.210310] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3992.227450] [] ? __fget_light+0xe6/0xf0 [ 3992.245389] [] __sys_sendmsg+0xdd/0x167 [ 3992.263316] [] ? __sys_sendmsg+0xdd/0x167 [ 3992.278979] [] ? SyS_shutdown+0x29/0x29 [ 3992.297703] [] SyS_sendmsg+0x3a/0x4f [ 3992.313832] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3992.334137] ================================================================================ [ 3992.358949] ================================================================================ [ 3992.382067] UBSAN: Undefined behaviour in net/core/dev.c:6466:56 [ 3992.402689] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3992.437087] which requires 64 byte alignment [ 3992.449888] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3992.474186] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3992.503279] 00000000ffffffff 00000000f797e7aa ffff88005a45f088 ffffffffb26ec5cc [ 3992.526880] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3992.549886] ffffffff00000010 ffff88005a45f0b0 ffff88005a45f060 ffffffffb363c3e0 [ 3992.576743] Call Trace: [ 3992.583918] [] dump_stack+0xd7/0x132 [ 3992.600081] [] ? arch_local_irq_restore+0x1b/0x1b [ 3992.619700] [] ubsan_epilogue+0x12/0x53 [ 3992.635360] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3992.656986] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3992.677303] [] ? __dev_change_flags+0x2d9/0x2e9 [ 3992.695515] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3992.715965] [] dev_change_flags+0xda/0x10f [ 3992.734460] [] do_setlink+0xb05/0x2647 [ 3992.748491] [] ? univ8250_console_setup+0x15a/0x15a [ 3992.772769] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3992.792487] [] ? console_unlock+0x6a9/0x6b8 [ 3992.811087] [] ? vprintk_emit+0x636/0x647 [ 3992.826692] [] ? vprintk_default+0x65/0x6e [ 3992.848896] [] ? ubsan_epilogue+0x26/0x53 [ 3992.869599] [] ? arch_local_irq_restore+0x6/0xd [ 3992.889384] [] ? validate_linkmsg+0x462/0x4a0 [ 3992.904971] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3992.919991] [] rtnl_newlink+0x98a/0x1165 [ 3992.937532] [] ? rtnl_newlink+0x4db/0x1165 [ 3992.953581] [] ? rtnl_newlink+0x457/0x1165 [ 3992.970426] [] ? rtnl_link_unregister+0x20d/0x20d [ 3992.992414] [] ? save_stack+0xc4/0xce [ 3993.005709] [] ? save_stack_trace+0x31/0xf1 [ 3993.023370] [] ? save_stack+0x46/0xce [ 3993.040330] [] ? security_capable+0xaa/0xb9 [ 3993.057525] [] ? ns_capable_common+0x149/0x153 [ 3993.076858] [] ? __netlink_ns_capable+0xf3/0xff [ 3993.093629] [] ? rtnl_link_unregister+0x20d/0x20d [ 3993.111437] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3993.129433] [] ? rtnl_newlink+0x1165/0x1165 [ 3993.145895] [] ? mutex_set_owner+0x8e/0xc6 [ 3993.166302] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3993.191165] [] ? rtnl_newlink+0x1165/0x1165 [ 3993.207926] [] netlink_rcv_skb+0x173/0x25b [ 3993.222868] [] rtnetlink_rcv+0x28/0x2f [ 3993.238153] [] netlink_unicast+0x3fc/0x503 [ 3993.257156] [] ? netlink_sendskb+0x35/0x35 [ 3993.273676] [] netlink_sendmsg+0x860/0x877 [ 3993.289396] [] ? netlink_unicast+0x503/0x503 [ 3993.309712] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3993.327347] [] ? netlink_unicast+0x503/0x503 [ 3993.345966] [] sock_sendmsg+0xe9/0x116 [ 3993.361572] [] ? ___sys_sendmsg+0x40c/0x789 [ 3993.381098] [] ___sys_sendmsg+0x5de/0x789 [ 3993.396970] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3993.417811] [] ? vm_normal_page+0x1aa/0x1aa [ 3993.434736] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3993.456719] [] ? compound_head+0x4e/0x56 [ 3993.474913] [] ? handle_mm_fault+0x1e11/0x2102 [ 3993.493053] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3993.512402] [] ? __fget_light+0xe6/0xf0 [ 3993.526593] [] __sys_sendmsg+0xdd/0x167 [ 3993.543722] [] ? __sys_sendmsg+0xdd/0x167 [ 3993.563352] [] ? SyS_shutdown+0x29/0x29 [ 3993.579564] [] SyS_sendmsg+0x3a/0x4f [ 3993.596743] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3993.616656] ================================================================================ [ 3993.643360] ================================================================================ [ 3993.669424] UBSAN: Undefined behaviour in net/core/dev.c:6427:28 [ 3993.689536] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3993.720958] which requires 64 byte alignment [ 3993.732619] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3993.754742] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3993.784831] 00000000ffffffff 00000000f797e7aa ffff88005a45efe8 ffffffffb26ec5cc [ 3993.809955] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3993.831152] ffffffff00000010 ffff88005a45f010 ffff88005a45efc0 ffffffffb363c3e0 [ 3993.856893] Call Trace: [ 3993.863195] [] dump_stack+0xd7/0x132 [ 3993.885507] [] ? arch_local_irq_restore+0x1b/0x1b [ 3993.905520] [] ubsan_epilogue+0x12/0x53 [ 3993.922972] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3993.943166] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3993.978440] [] ? arch_local_irq_restore+0x6/0xd [ 3993.999995] [] __dev_notify_flags+0x9b/0x1c3 [ 3994.019060] [] ? dev_change_name+0x519/0x519 [ 3994.042437] [] ? __dev_change_flags+0x2d9/0x2e9 [ 3994.061079] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3994.083604] [] dev_change_flags+0xfb/0x10f [ 3994.115322] [] do_setlink+0xb05/0x2647 [ 3994.134151] [] ? univ8250_console_setup+0x15a/0x15a [ 3994.151954] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3994.174073] [] ? console_unlock+0x6a9/0x6b8 [ 3994.190215] [] ? vprintk_emit+0x636/0x647 [ 3994.208161] [] ? vprintk_default+0x65/0x6e [ 3994.226431] [] ? ubsan_epilogue+0x26/0x53 [ 3994.245628] [] ? arch_local_irq_restore+0x6/0xd [ 3994.265983] [] ? validate_linkmsg+0x462/0x4a0 [ 3994.283744] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3994.301310] [] rtnl_newlink+0x98a/0x1165 [ 3994.318269] [] ? rtnl_newlink+0x4db/0x1165 [ 3994.334720] [] ? rtnl_newlink+0x457/0x1165 [ 3994.351565] [] ? rtnl_link_unregister+0x20d/0x20d [ 3994.371495] [] ? save_stack+0xc4/0xce [ 3994.390624] [] ? save_stack_trace+0x31/0xf1 [ 3994.408729] [] ? save_stack+0x46/0xce [ 3994.427285] [] ? security_capable+0xaa/0xb9 [ 3994.443524] [] ? ns_capable_common+0x149/0x153 [ 3994.462647] [] ? __netlink_ns_capable+0xf3/0xff [ 3994.480368] [] ? rtnl_link_unregister+0x20d/0x20d [ 3994.498544] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3994.518560] [] ? rtnl_newlink+0x1165/0x1165 [ 3994.536213] [] ? mutex_set_owner+0x8e/0xc6 [ 3994.551966] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3994.576339] [] ? rtnl_newlink+0x1165/0x1165 [ 3994.594453] [] netlink_rcv_skb+0x173/0x25b [ 3994.612565] [] rtnetlink_rcv+0x28/0x2f [ 3994.627123] [] netlink_unicast+0x3fc/0x503 [ 3994.643622] [] ? netlink_sendskb+0x35/0x35 [ 3994.664463] [] netlink_sendmsg+0x860/0x877 [ 3994.680380] [] ? netlink_unicast+0x503/0x503 [ 3994.699159] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3994.719544] [] ? netlink_unicast+0x503/0x503 [ 3994.740000] [] sock_sendmsg+0xe9/0x116 [ 3994.755724] [] ? ___sys_sendmsg+0x40c/0x789 [ 3994.773859] [] ___sys_sendmsg+0x5de/0x789 [ 3994.791765] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3994.812082] [] ? vm_normal_page+0x1aa/0x1aa [ 3994.827567] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3994.849269] [] ? compound_head+0x4e/0x56 [ 3994.865998] [] ? handle_mm_fault+0x1e11/0x2102 [ 3994.884532] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3994.908533] [] ? __fget_light+0xe6/0xf0 [ 3994.924978] [] __sys_sendmsg+0xdd/0x167 [ 3994.939932] [] ? __sys_sendmsg+0xdd/0x167 [ 3994.957953] [] ? SyS_shutdown+0x29/0x29 [ 3994.974799] [] SyS_sendmsg+0x3a/0x4f [ 3994.993511] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3995.013440] ================================================================================ [ 3995.042883] ================================================================================ [ 3995.069982] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:3453:13 [ 3995.093730] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 3995.119863] which requires 64 byte alignment [ 3995.133655] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3995.152190] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3995.180799] 00000000ffffffff 00000000f797e7aa ffff88005a45eb98 ffffffffb26ec5cc [ 3995.201466] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3995.225067] 0000000000000010 ffff88005a45ebc0 ffff88005a45eb70 ffffffffb363c3e0 [ 3995.245921] Call Trace: [ 3995.255206] [] dump_stack+0xd7/0x132 [ 3995.267872] [] ? arch_local_irq_restore+0x1b/0x1b [ 3995.290914] [] ubsan_epilogue+0x12/0x53 [ 3995.307388] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3995.329706] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3995.349137] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3995.368682] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3995.390450] [] dev_get_flags+0xcf/0x177 [ 3995.407135] [] rtnl_fill_ifinfo+0x2e7/0x251b [ 3995.423768] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 3995.441051] [] ? __alloc_skb+0x139/0x503 [ 3995.459193] [] ? ___slab_alloc+0xb72/0xbd2 [ 3995.474530] [] ? ___slab_alloc+0xb72/0xbd2 [ 3995.492293] [] ? __alloc_skb+0x139/0x503 [ 3995.518439] [] ? kasan_poison_shadow+0x2f/0x31 [ 3995.539623] [] ? kasan_unpoison_shadow+0x14/0x35 [ 3995.556700] [] ? kasan_kmalloc+0x94/0xa3 [ 3995.578725] [] ? kasan_slab_alloc+0x12/0x14 [ 3995.594014] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3995.613464] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 3995.635424] [] ? __alloc_skb+0x139/0x503 [ 3995.655995] [] ? kasan_poison_shadow+0x2f/0x31 [ 3995.674949] [] ? kasan_unpoison_shadow+0x14/0x35 [ 3995.692851] [] ? __alloc_skb+0x4a9/0x503 [ 3995.711487] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 3995.730644] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3995.749485] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 3995.769660] [] rtmsg_ifinfo+0x65/0x8e [ 3995.786168] [] __dev_notify_flags+0xd0/0x1c3 [ 3995.801194] [] ? dev_change_name+0x519/0x519 [ 3995.818898] [] ? __dev_change_flags+0x2d9/0x2e9 [ 3995.837463] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3995.859329] [] dev_change_flags+0xfb/0x10f [ 3995.874345] [] do_setlink+0xb05/0x2647 [ 3995.893989] [] ? univ8250_console_setup+0x15a/0x15a [ 3995.914334] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3995.931784] [] ? console_unlock+0x6a9/0x6b8 [ 3995.948959] [] ? vprintk_emit+0x636/0x647 [ 3995.964685] [] ? vprintk_default+0x65/0x6e [ 3995.983095] [] ? ubsan_epilogue+0x26/0x53 [ 3995.999224] [] ? arch_local_irq_restore+0x6/0xd [ 3996.017976] [] ? validate_linkmsg+0x462/0x4a0 [ 3996.036884] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3996.064071] [] rtnl_newlink+0x98a/0x1165 [ 3996.081106] [] ? rtnl_newlink+0x4db/0x1165 [ 3996.098974] [] ? rtnl_newlink+0x457/0x1165 [ 3996.115890] [] ? rtnl_link_unregister+0x20d/0x20d [ 3996.208199] [] ? save_stack+0xc4/0xce [ 3996.220143] [] ? save_stack_trace+0x31/0xf1 [ 3996.241192] [] ? save_stack+0x46/0xce [ 3996.256632] [] ? security_capable+0xaa/0xb9 [ 3996.274099] [] ? ns_capable_common+0x149/0x153 [ 3996.294415] [] ? __netlink_ns_capable+0xf3/0xff [ 3996.312153] [] ? rtnl_link_unregister+0x20d/0x20d [ 3996.329897] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3996.346120] [] ? rtnl_newlink+0x1165/0x1165 [ 3996.363911] [] ? mutex_set_owner+0x8e/0xc6 [ 3996.379474] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3996.400008] [] ? rtnl_newlink+0x1165/0x1165 [ 3996.419477] [] netlink_rcv_skb+0x173/0x25b [ 3996.439032] [] rtnetlink_rcv+0x28/0x2f [ 3996.453556] [] netlink_unicast+0x3fc/0x503 [ 3996.471794] [] ? netlink_sendskb+0x35/0x35 [ 3996.488337] [] netlink_sendmsg+0x860/0x877 [ 3996.506524] [] ? netlink_unicast+0x503/0x503 [ 3996.523960] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3996.543416] [] ? netlink_unicast+0x503/0x503 [ 3996.563131] [] sock_sendmsg+0xe9/0x116 [ 3996.582779] [] ? ___sys_sendmsg+0x40c/0x789 [ 3996.600299] [] ___sys_sendmsg+0x5de/0x789 [ 3996.618177] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3996.637131] [] ? vm_normal_page+0x1aa/0x1aa [ 3996.655641] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3996.678737] [] ? compound_head+0x4e/0x56 [ 3996.695569] [] ? handle_mm_fault+0x1e11/0x2102 [ 3996.715189] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3996.734507] [] ? __fget_light+0xe6/0xf0 [ 3996.749153] [] __sys_sendmsg+0xdd/0x167 [ 3996.767819] [] ? __sys_sendmsg+0xdd/0x167 [ 3996.785176] [] ? SyS_shutdown+0x29/0x29 [ 3996.800427] [] SyS_sendmsg+0x3a/0x4f [ 3996.817299] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3996.836891] ================================================================================ [ 3996.863379] ================================================================================ [ 3996.890791] UBSAN: Undefined behaviour in net/core/rtnetlink.c:1278:34 [ 3996.910283] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3996.935451] which requires 64 byte alignment [ 3996.948353] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3996.970108] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3996.999194] 00000000ffffffff 00000000f797e7aa ffff88005a45ebc0 ffffffffb26ec5cc [ 3997.024571] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3997.044243] ffff880000000010 ffff88005a45ebe8 ffff88005a45eb98 ffffffffb363c3e0 [ 3997.066153] Call Trace: [ 3997.074639] [] dump_stack+0xd7/0x132 [ 3997.088845] [] ? arch_local_irq_restore+0x1b/0x1b [ 3997.109848] [] ubsan_epilogue+0x12/0x53 [ 3997.124742] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3997.147394] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3997.168371] [] ? nla_put+0x92/0xa0 [ 3997.182179] [] rtnl_fill_ifinfo+0x410/0x251b [ 3997.200969] [] ? rtnl_fill_vfinfo+0x832/0x832 [ 3997.219413] [] ? __alloc_skb+0x139/0x503 [ 3997.238125] [] ? ___slab_alloc+0xb72/0xbd2 [ 3997.254723] [] ? ___slab_alloc+0xb72/0xbd2 [ 3997.270958] [] ? __alloc_skb+0x139/0x503 [ 3997.288137] [] ? kasan_poison_shadow+0x2f/0x31 [ 3997.309156] [] ? kasan_unpoison_shadow+0x14/0x35 [ 3997.328996] [] ? kasan_kmalloc+0x94/0xa3 [ 3997.343755] [] ? kasan_slab_alloc+0x12/0x14 [ 3997.364035] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 3997.383551] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 3997.407819] [] ? __alloc_skb+0x139/0x503 [ 3997.431998] [] ? kasan_poison_shadow+0x2f/0x31 [ 3997.452733] [] ? kasan_unpoison_shadow+0x14/0x35 [ 3997.474465] [] ? __alloc_skb+0x4a9/0x503 [ 3997.492951] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 3997.513085] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3997.534449] [] rtmsg_ifinfo_build_skb+0x8e/0xfc [ 3997.550536] [] rtmsg_ifinfo+0x65/0x8e [ 3997.565874] [] __dev_notify_flags+0xd0/0x1c3 [ 3997.583190] [] ? dev_change_name+0x519/0x519 [ 3997.600374] [] ? __dev_change_flags+0x2d9/0x2e9 [ 3997.619617] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3997.640848] [] dev_change_flags+0xfb/0x10f [ 3997.658035] [] do_setlink+0xb05/0x2647 [ 3997.675031] [] ? univ8250_console_setup+0x15a/0x15a [ 3997.694316] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3997.713718] [] ? console_unlock+0x6a9/0x6b8 [ 3997.731165] [] ? vprintk_emit+0x636/0x647 [ 3997.746290] [] ? vprintk_default+0x65/0x6e [ 3997.767951] [] ? ubsan_epilogue+0x26/0x53 [ 3997.784635] [] ? arch_local_irq_restore+0x6/0xd [ 3997.803468] [] ? validate_linkmsg+0x462/0x4a0 [ 3997.819413] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3997.837822] [] rtnl_newlink+0x98a/0x1165 [ 3997.854595] [] ? rtnl_newlink+0x4db/0x1165 [ 3997.873170] [] ? rtnl_newlink+0x457/0x1165 [ 3997.890704] [] ? rtnl_link_unregister+0x20d/0x20d [ 3997.910607] [] ? save_stack+0xc4/0xce [ 3997.926943] [] ? save_stack_trace+0x31/0xf1 [ 3997.944019] [] ? save_stack+0x46/0xce [ 3997.959469] [] ? security_capable+0xaa/0xb9 [ 3997.974805] [] ? ns_capable_common+0x149/0x153 [ 3997.993817] [] ? __netlink_ns_capable+0xf3/0xff [ 3998.011320] [] ? rtnl_link_unregister+0x20d/0x20d [ 3998.029237] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3998.046190] [] ? rtnl_newlink+0x1165/0x1165 [ 3998.063487] [] ? mutex_set_owner+0x8e/0xc6 [ 3998.079639] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3998.099117] [] ? rtnl_newlink+0x1165/0x1165 [ 3998.118064] [] netlink_rcv_skb+0x173/0x25b [ 3998.135210] [] rtnetlink_rcv+0x28/0x2f [ 3998.149374] [] netlink_unicast+0x3fc/0x503 [ 3998.166916] [] ? netlink_sendskb+0x35/0x35 [ 3998.186614] [] netlink_sendmsg+0x860/0x877 [ 3998.202554] [] ? netlink_unicast+0x503/0x503 [ 3998.219258] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3998.240542] [] ? netlink_unicast+0x503/0x503 [ 3998.259329] [] sock_sendmsg+0xe9/0x116 [ 3998.276334] [] ? ___sys_sendmsg+0x40c/0x789 [ 3998.294626] [] ___sys_sendmsg+0x5de/0x789 [ 3998.308969] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3998.328719] [] ? vm_normal_page+0x1aa/0x1aa [ 3998.344574] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3998.365214] [] ? compound_head+0x4e/0x56 [ 3998.380632] [] ? handle_mm_fault+0x1e11/0x2102 [ 3998.399053] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3998.419330] [] ? __fget_light+0xe6/0xf0 [ 3998.436547] [] __sys_sendmsg+0xdd/0x167 [ 3998.455307] [] ? __sys_sendmsg+0xdd/0x167 [ 3998.471508] [] ? SyS_shutdown+0x29/0x29 [ 3998.486195] [] SyS_sendmsg+0x3a/0x4f [ 3998.500443] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3998.520106] ================================================================================ [ 3998.546184] ================================================================================ [ 3998.568970] UBSAN: Undefined behaviour in net/core/dev.c:6433:10 [ 3998.585686] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3998.615050] which requires 64 byte alignment [ 3998.626480] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3998.646907] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 3998.678391] 00000000ffffffff 00000000f797e7aa ffff88005a45efe8 ffffffffb26ec5cc [ 3998.700236] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 3998.720629] ffffffff00000010 ffff88005a45f010 ffff88005a45efc0 ffffffffb363c3e0 [ 3998.745346] Call Trace: [ 3998.752570] [] dump_stack+0xd7/0x132 [ 3998.771209] [] ? arch_local_irq_restore+0x1b/0x1b [ 3998.793227] [] ubsan_epilogue+0x12/0x53 [ 3998.811765] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 3998.831314] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3998.852478] [] __dev_notify_flags+0xf9/0x1c3 [ 3998.868355] [] ? dev_change_name+0x519/0x519 [ 3998.887569] [] ? __dev_change_flags+0x2d9/0x2e9 [ 3998.905977] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 3998.931537] [] dev_change_flags+0xfb/0x10f [ 3998.945970] [] do_setlink+0xb05/0x2647 [ 3998.961441] [] ? univ8250_console_setup+0x15a/0x15a [ 3998.981683] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 3998.998478] [] ? console_unlock+0x6a9/0x6b8 [ 3999.016137] [] ? vprintk_emit+0x636/0x647 [ 3999.036064] [] ? vprintk_default+0x65/0x6e [ 3999.054170] [] ? ubsan_epilogue+0x26/0x53 [ 3999.070937] [] ? arch_local_irq_restore+0x6/0xd [ 3999.094385] [] ? validate_linkmsg+0x462/0x4a0 [ 3999.113743] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 3999.130379] [] rtnl_newlink+0x98a/0x1165 [ 3999.145866] [] ? rtnl_newlink+0x4db/0x1165 [ 3999.163175] [] ? rtnl_newlink+0x457/0x1165 [ 3999.181227] [] ? rtnl_link_unregister+0x20d/0x20d [ 3999.200598] [] ? save_stack+0xc4/0xce [ 3999.217815] [] ? save_stack_trace+0x31/0xf1 [ 3999.235166] [] ? save_stack+0x46/0xce [ 3999.251897] [] ? security_capable+0xaa/0xb9 [ 3999.268712] [] ? ns_capable_common+0x149/0x153 [ 3999.291442] [] ? __netlink_ns_capable+0xf3/0xff [ 3999.309280] [] ? rtnl_link_unregister+0x20d/0x20d [ 3999.326939] [] rtnetlink_rcv_msg+0x60f/0x664 [ 3999.344820] [] ? rtnl_newlink+0x1165/0x1165 [ 3999.363334] [] ? mutex_set_owner+0x8e/0xc6 [ 3999.380066] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 3999.401447] [] ? rtnl_newlink+0x1165/0x1165 [ 3999.418822] [] netlink_rcv_skb+0x173/0x25b [ 3999.437640] [] rtnetlink_rcv+0x28/0x2f [ 3999.454221] [] netlink_unicast+0x3fc/0x503 [ 3999.471431] [] ? netlink_sendskb+0x35/0x35 [ 3999.487301] [] netlink_sendmsg+0x860/0x877 [ 3999.505025] [] ? netlink_unicast+0x503/0x503 [ 3999.521958] [] ? security_socket_sendmsg+0xa5/0xb4 [ 3999.540163] [] ? netlink_unicast+0x503/0x503 [ 3999.560303] [] sock_sendmsg+0xe9/0x116 [ 3999.578386] [] ? ___sys_sendmsg+0x40c/0x789 [ 3999.594954] [] ___sys_sendmsg+0x5de/0x789 [ 3999.614958] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 3999.634834] [] ? vm_normal_page+0x1aa/0x1aa [ 3999.653253] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 3999.680672] [] ? compound_head+0x4e/0x56 [ 3999.697492] [] ? handle_mm_fault+0x1e11/0x2102 [ 3999.716236] [] ? apply_to_page_range+0x3d6/0x3d6 [ 3999.734728] [] ? __fget_light+0xe6/0xf0 [ 3999.751579] [] __sys_sendmsg+0xdd/0x167 [ 3999.769711] [] ? __sys_sendmsg+0xdd/0x167 [ 3999.788761] [] ? SyS_shutdown+0x29/0x29 [ 3999.805944] [] SyS_sendmsg+0x3a/0x4f [ 3999.822397] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 3999.841646] ================================================================================ [ 3999.866558] ================================================================================ [ 3999.892484] UBSAN: Undefined behaviour in net/ipv4/devinet.c:1434:8 [ 3999.912439] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 3999.940707] which requires 64 byte alignment [ 3999.955180] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 3999.976807] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4000.004270] 00000000ffffffff 00000000f797e7aa ffff88005a45edb8 ffffffffb26ec5cc [ 4000.029231] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4000.053768] 0000000000000010 ffff88005a45ede0 ffff88005a45ed90 ffffffffb363c3e0 [ 4000.074238] Call Trace: [ 4000.082144] [] dump_stack+0xd7/0x132 [ 4000.097212] [] ? arch_local_irq_restore+0x1b/0x1b [ 4000.116862] [] ubsan_epilogue+0x12/0x53 [ 4000.134198] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4000.156767] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4000.181257] [] inetdev_event+0x2d9/0xbef [ 4000.199927] [] ? inetdev_init+0x369/0x369 [ 4000.218406] [] ? netprio_device_event+0x118/0x14e [ 4000.243045] [] ? update_netprio+0x1e1/0x1e1 [ 4000.271755] [] notifier_call_chain+0xd2/0x184 [ 4000.297607] [] ? notifier_call_chain+0xd2/0x184 [ 4000.320611] [] raw_notifier_call_chain+0x35/0x37 [ 4000.341871] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4000.364232] [] call_netdevice_notifiers+0x75/0x97 [ 4000.383363] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4000.401544] [] __dev_notify_flags+0x12b/0x1c3 [ 4000.418336] [] ? dev_change_name+0x519/0x519 [ 4000.436176] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4000.453099] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4000.476296] [] dev_change_flags+0xfb/0x10f [ 4000.494524] [] do_setlink+0xb05/0x2647 [ 4000.513375] [] ? univ8250_console_setup+0x15a/0x15a [ 4000.532324] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4000.553383] [] ? console_unlock+0x6a9/0x6b8 [ 4000.572696] [] ? vprintk_emit+0x636/0x647 [ 4000.588588] [] ? vprintk_default+0x65/0x6e [ 4000.607698] [] ? ubsan_epilogue+0x26/0x53 [ 4000.624132] [] ? arch_local_irq_restore+0x6/0xd [ 4000.644775] [] ? validate_linkmsg+0x462/0x4a0 [ 4000.664465] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4000.683682] [] rtnl_newlink+0x98a/0x1165 [ 4000.702428] [] ? rtnl_newlink+0x4db/0x1165 [ 4000.724108] [] ? rtnl_newlink+0x457/0x1165 [ 4000.745600] [] ? rtnl_link_unregister+0x20d/0x20d [ 4000.766531] [] ? save_stack+0xc4/0xce [ 4000.785406] [] ? save_stack_trace+0x31/0xf1 [ 4000.806400] [] ? save_stack+0x46/0xce [ 4000.823200] [] ? security_capable+0xaa/0xb9 [ 4000.842496] [] ? ns_capable_common+0x149/0x153 [ 4000.863700] [] ? __netlink_ns_capable+0xf3/0xff [ 4000.883700] [] ? rtnl_link_unregister+0x20d/0x20d [ 4000.910943] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4000.928450] [] ? rtnl_newlink+0x1165/0x1165 [ 4000.947020] [] ? mutex_set_owner+0x8e/0xc6 [ 4000.966159] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4000.990305] [] ? rtnl_newlink+0x1165/0x1165 [ 4001.008505] [] netlink_rcv_skb+0x173/0x25b [ 4001.027677] [] rtnetlink_rcv+0x28/0x2f [ 4001.043988] [] netlink_unicast+0x3fc/0x503 [ 4001.060463] [] ? netlink_sendskb+0x35/0x35 [ 4001.080127] [] netlink_sendmsg+0x860/0x877 [ 4001.096515] [] ? netlink_unicast+0x503/0x503 [ 4001.115298] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4001.135276] [] ? netlink_unicast+0x503/0x503 [ 4001.153482] [] sock_sendmsg+0xe9/0x116 [ 4001.169954] [] ? ___sys_sendmsg+0x40c/0x789 [ 4001.187912] [] ___sys_sendmsg+0x5de/0x789 [ 4001.205924] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4001.224414] [] ? vm_normal_page+0x1aa/0x1aa [ 4001.242927] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4001.282184] [] ? compound_head+0x4e/0x56 [ 4001.356579] [] ? handle_mm_fault+0x1e11/0x2102 [ 4001.380080] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4001.403813] [] ? __fget_light+0xe6/0xf0 [ 4001.423219] [] __sys_sendmsg+0xdd/0x167 [ 4001.445672] [] ? __sys_sendmsg+0xdd/0x167 [ 4001.463477] [] ? SyS_shutdown+0x29/0x29 [ 4001.482128] [] SyS_sendmsg+0x3a/0x4f [ 4001.500409] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4001.519973] ================================================================================ [ 4001.545055] ================================================================================ [ 4001.572028] UBSAN: Undefined behaviour in net/ipv4/devinet.c:1436:10 [ 4001.588959] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4001.613976] which requires 64 byte alignment [ 4001.624456] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4001.642733] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4001.667980] 00000000ffffffff 00000000f797e7aa ffff88005a45edb8 ffffffffb26ec5cc [ 4001.689723] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4001.712763] ffffffff00000010 ffff88005a45ede0 ffff88005a45ed90 ffffffffb363c3e0 [ 4001.734315] Call Trace: [ 4001.741701] [] dump_stack+0xd7/0x132 [ 4001.755795] [] ? arch_local_irq_restore+0x1b/0x1b [ 4001.773678] [] ubsan_epilogue+0x12/0x53 [ 4001.792748] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4001.814064] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4001.833803] [] inetdev_event+0x312/0xbef [ 4001.849574] [] ? inetdev_init+0x369/0x369 [ 4001.867161] [] ? netprio_device_event+0x118/0x14e [ 4001.884786] [] ? update_netprio+0x1e1/0x1e1 [ 4001.901087] [] notifier_call_chain+0xd2/0x184 [ 4001.918992] [] ? notifier_call_chain+0xd2/0x184 [ 4001.937905] [] raw_notifier_call_chain+0x35/0x37 [ 4001.956395] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4001.978582] [] call_netdevice_notifiers+0x75/0x97 [ 4001.996915] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4002.018698] [] __dev_notify_flags+0x12b/0x1c3 [ 4002.034159] [] ? dev_change_name+0x519/0x519 [ 4002.050106] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4002.067808] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4002.087506] [] dev_change_flags+0xfb/0x10f [ 4002.102717] [] do_setlink+0xb05/0x2647 [ 4002.118623] [] ? univ8250_console_setup+0x15a/0x15a [ 4002.136641] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4002.158754] [] ? console_unlock+0x6a9/0x6b8 [ 4002.176316] [] ? vprintk_emit+0x636/0x647 [ 4002.193734] [] ? vprintk_default+0x65/0x6e [ 4002.211720] [] ? ubsan_epilogue+0x26/0x53 [ 4002.228481] [] ? arch_local_irq_restore+0x6/0xd [ 4002.248556] [] ? validate_linkmsg+0x462/0x4a0 [ 4002.269310] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4002.289326] [] rtnl_newlink+0x98a/0x1165 [ 4002.309179] [] ? rtnl_newlink+0x4db/0x1165 [ 4002.327469] [] ? rtnl_newlink+0x457/0x1165 [ 4002.347250] [] ? rtnl_link_unregister+0x20d/0x20d [ 4002.366050] [] ? save_stack+0xc4/0xce [ 4002.385878] [] ? save_stack_trace+0x31/0xf1 [ 4002.404616] [] ? save_stack+0x46/0xce [ 4002.421470] [] ? security_capable+0xaa/0xb9 [ 4002.441288] [] ? ns_capable_common+0x149/0x153 [ 4002.461711] [] ? __netlink_ns_capable+0xf3/0xff [ 4002.483007] [] ? rtnl_link_unregister+0x20d/0x20d [ 4002.512549] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4002.530738] [] ? rtnl_newlink+0x1165/0x1165 [ 4002.548810] [] ? mutex_set_owner+0x8e/0xc6 [ 4002.569577] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4002.592764] [] ? rtnl_newlink+0x1165/0x1165 [ 4002.613798] [] netlink_rcv_skb+0x173/0x25b [ 4002.674419] [] rtnetlink_rcv+0x28/0x2f [ 4002.694140] [] netlink_unicast+0x3fc/0x503 [ 4002.715224] [] ? netlink_sendskb+0x35/0x35 [ 4002.734622] [] netlink_sendmsg+0x860/0x877 [ 4002.753905] [] ? netlink_unicast+0x503/0x503 [ 4002.775780] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4002.797357] [] ? netlink_unicast+0x503/0x503 [ 4002.815726] [] sock_sendmsg+0xe9/0x116 [ 4002.832151] [] ? ___sys_sendmsg+0x40c/0x789 [ 4002.849343] [] ___sys_sendmsg+0x5de/0x789 [ 4002.865718] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4002.885522] [] ? vm_normal_page+0x1aa/0x1aa [ 4002.903325] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4002.924506] [] ? compound_head+0x4e/0x56 [ 4002.938337] [] ? handle_mm_fault+0x1e11/0x2102 [ 4002.955308] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4002.975663] [] ? __fget_light+0xe6/0xf0 [ 4002.993283] [] __sys_sendmsg+0xdd/0x167 [ 4003.009942] [] ? __sys_sendmsg+0xdd/0x167 [ 4003.028474] [] ? SyS_shutdown+0x29/0x29 [ 4003.048447] [] SyS_sendmsg+0x3a/0x4f [ 4003.065664] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4003.083983] ================================================================================ [ 4003.113595] ================================================================================ [ 4003.138761] UBSAN: Undefined behaviour in net/ipv4/devinet.c:1545:36 [ 4003.158574] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4003.186779] which requires 64 byte alignment [ 4003.198132] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4003.219013] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4003.248852] 00000000ffffffff 00000000f797e7aa ffff88005a45ead0 ffffffffb26ec5cc [ 4003.270960] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4003.292184] ffff880000000010 ffff88005a45eaf8 ffff88005a45eaa8 ffffffffb363c3e0 [ 4003.312763] Call Trace: [ 4003.318820] [] dump_stack+0xd7/0x132 [ 4003.335533] [] ? arch_local_irq_restore+0x1b/0x1b [ 4003.355129] [] ubsan_epilogue+0x12/0x53 [ 4003.371656] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4003.393250] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4003.416330] [] ? __nlmsg_put+0x13c/0x14c [ 4003.435518] [] inet_fill_ifaddr+0x36e/0x8ed [ 4003.454846] [] ? inet_make_mask+0x77/0x77 [ 4003.473339] [] ? kasan_poison_shadow+0x2f/0x31 [ 4003.495269] [] ? kasan_unpoison_shadow+0x14/0x35 [ 4003.515026] [] ? __alloc_skb+0x4a9/0x503 [ 4003.535653] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 4003.555710] [] ? __queue_work+0x9c3/0xba0 [ 4003.572437] [] rtmsg_ifa+0x11b/0x1a4 [ 4003.589312] [] __inet_insert_ifa+0x6ef/0x74b [ 4003.609807] [] ? inet_netconf_dump_devconf+0x7ad/0x7ad [ 4003.630244] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4003.651880] [] ? inet_alloc_ifa+0x30/0x32 [ 4003.670451] [] inet_insert_ifa+0x20/0x22 [ 4003.688880] [] inetdev_event+0x56d/0xbef [ 4003.705443] [] ? inetdev_init+0x369/0x369 [ 4003.720682] [] ? netprio_device_event+0x118/0x14e [ 4003.739304] [] ? update_netprio+0x1e1/0x1e1 [ 4003.755883] [] notifier_call_chain+0xd2/0x184 [ 4003.771564] [] ? notifier_call_chain+0xd2/0x184 [ 4003.790865] [] raw_notifier_call_chain+0x35/0x37 [ 4003.811230] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4003.830164] [] call_netdevice_notifiers+0x75/0x97 [ 4003.848915] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4003.869644] [] __dev_notify_flags+0x12b/0x1c3 [ 4003.891831] [] ? dev_change_name+0x519/0x519 [ 4003.911422] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4003.927914] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4003.952503] [] dev_change_flags+0xfb/0x10f [ 4003.966924] [] do_setlink+0xb05/0x2647 [ 4003.984573] [] ? univ8250_console_setup+0x15a/0x15a [ 4004.004021] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4004.023189] [] ? console_unlock+0x6a9/0x6b8 [ 4004.043122] [] ? vprintk_emit+0x636/0x647 [ 4004.060704] [] ? vprintk_default+0x65/0x6e [ 4004.080856] [] ? ubsan_epilogue+0x26/0x53 [ 4004.098400] [] ? arch_local_irq_restore+0x6/0xd [ 4004.117610] [] ? validate_linkmsg+0x462/0x4a0 [ 4004.134198] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4004.148913] [] rtnl_newlink+0x98a/0x1165 [ 4004.165273] [] ? rtnl_newlink+0x4db/0x1165 [ 4004.181774] [] ? rtnl_newlink+0x457/0x1165 [ 4004.197810] [] ? rtnl_link_unregister+0x20d/0x20d [ 4004.216393] [] ? save_stack+0xc4/0xce [ 4004.231145] [] ? save_stack_trace+0x31/0xf1 [ 4004.245696] [] ? save_stack+0x46/0xce [ 4004.261362] [] ? security_capable+0xaa/0xb9 [ 4004.276608] [] ? ns_capable_common+0x149/0x153 [ 4004.293685] [] ? __netlink_ns_capable+0xf3/0xff [ 4004.311744] [] ? rtnl_link_unregister+0x20d/0x20d [ 4004.331111] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4004.346544] [] ? rtnl_newlink+0x1165/0x1165 [ 4004.365562] [] ? mutex_set_owner+0x8e/0xc6 [ 4004.383111] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4004.401732] [] ? rtnl_newlink+0x1165/0x1165 [ 4004.419635] [] netlink_rcv_skb+0x173/0x25b [ 4004.439035] [] rtnetlink_rcv+0x28/0x2f [ 4004.454212] [] netlink_unicast+0x3fc/0x503 [ 4004.471651] [] ? netlink_sendskb+0x35/0x35 [ 4004.489157] [] netlink_sendmsg+0x860/0x877 [ 4004.504895] [] ? netlink_unicast+0x503/0x503 [ 4004.523368] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4004.541723] [] ? netlink_unicast+0x503/0x503 [ 4004.559053] [] sock_sendmsg+0xe9/0x116 [ 4004.575505] [] ? ___sys_sendmsg+0x40c/0x789 [ 4004.593307] [] ___sys_sendmsg+0x5de/0x789 [ 4004.609420] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4004.628293] [] ? vm_normal_page+0x1aa/0x1aa [ 4004.643317] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4004.663469] [] ? compound_head+0x4e/0x56 [ 4004.679585] [] ? handle_mm_fault+0x1e11/0x2102 [ 4004.695788] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4004.713136] [] ? __fget_light+0xe6/0xf0 [ 4004.729731] [] __sys_sendmsg+0xdd/0x167 [ 4004.744432] [] ? __sys_sendmsg+0xdd/0x167 [ 4004.761903] [] ? SyS_shutdown+0x29/0x29 [ 4004.779008] [] SyS_sendmsg+0x3a/0x4f [ 4004.793273] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4004.811923] ================================================================================ [ 4004.837525] ================================================================================ [ 4004.861418] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:4197:12 [ 4004.883825] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 4004.911562] which requires 64 byte alignment [ 4004.923159] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4004.942019] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4004.971118] 00000000ffffffff 00000000f797e7aa ffff88005a45ea48 ffffffffb26ec5cc [ 4004.997092] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4005.016382] 0000000000000010 ffff88005a45ea70 ffff88005a45ea20 ffffffffb363c3e0 [ 4005.040223] Call Trace: [ 4005.048898] [] dump_stack+0xd7/0x132 [ 4005.063785] [] ? arch_local_irq_restore+0x1b/0x1b [ 4005.082305] [] ubsan_epilogue+0x12/0x53 [ 4005.099778] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4005.120183] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4005.181676] [] ? kasan_slab_free+0x8a/0x96 [ 4005.250373] [] ? slab_free_freelist_hook+0x129/0x134 [ 4005.271355] [] l3mdev_fib_table_rcu+0x3c/0x1e4 [ 4005.297288] [] ? fib_magic+0x124/0x38f [ 4005.323475] [] fib_magic+0x16d/0x38f [ 4005.348030] [] ? fib_new_table+0x319/0x319 [ 4005.369386] [] ? netlink_broadcast_filtered+0x916/0x970 [ 4005.390503] [] ? __netlink_sendskb+0xaa/0xaa [ 4005.410890] [] ? inet_make_mask+0x77/0x77 [ 4005.431466] [] fib_add_ifaddr+0x172/0x3cf [ 4005.447599] [] fib_inetaddr_event+0xbf/0x1bb [ 4005.465325] [] notifier_call_chain+0xd2/0x184 [ 4005.485507] [] __blocking_notifier_call_chain+0x7c/0xa1 [ 4005.504751] [] blocking_notifier_call_chain+0x35/0x37 [ 4005.527522] [] __inet_insert_ifa+0x703/0x74b [ 4005.547255] [] ? inet_netconf_dump_devconf+0x7ad/0x7ad [ 4005.570554] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4005.591806] [] ? inet_alloc_ifa+0x30/0x32 [ 4005.610154] [] inet_insert_ifa+0x20/0x22 [ 4005.630222] [] inetdev_event+0x56d/0xbef [ 4005.648974] [] ? inetdev_init+0x369/0x369 [ 4005.667113] [] ? netprio_device_event+0x118/0x14e [ 4005.687691] [] ? update_netprio+0x1e1/0x1e1 [ 4005.704350] [] notifier_call_chain+0xd2/0x184 [ 4005.719595] [] ? notifier_call_chain+0xd2/0x184 [ 4005.738099] [] raw_notifier_call_chain+0x35/0x37 [ 4005.756959] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4005.780170] [] call_netdevice_notifiers+0x75/0x97 [ 4005.802563] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4005.820440] [] __dev_notify_flags+0x12b/0x1c3 [ 4005.841511] [] ? dev_change_name+0x519/0x519 [ 4005.861611] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4005.878329] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4005.900017] [] dev_change_flags+0xfb/0x10f [ 4005.918323] [] do_setlink+0xb05/0x2647 [ 4005.933904] [] ? univ8250_console_setup+0x15a/0x15a [ 4005.951358] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4005.972275] [] ? console_unlock+0x6a9/0x6b8 [ 4005.992115] [] ? vprintk_emit+0x636/0x647 [ 4006.010384] [] ? vprintk_default+0x65/0x6e [ 4006.027758] [] ? ubsan_epilogue+0x26/0x53 [ 4006.044097] [] ? arch_local_irq_restore+0x6/0xd [ 4006.063740] [] ? validate_linkmsg+0x462/0x4a0 [ 4006.080449] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4006.097279] [] rtnl_newlink+0x98a/0x1165 [ 4006.113262] [] ? rtnl_newlink+0x4db/0x1165 [ 4006.133242] [] ? rtnl_newlink+0x457/0x1165 [ 4006.150604] [] ? rtnl_link_unregister+0x20d/0x20d [ 4006.168061] [] ? save_stack+0xc4/0xce [ 4006.182508] [] ? save_stack_trace+0x31/0xf1 [ 4006.198955] [] ? save_stack+0x46/0xce [ 4006.214370] [] ? security_capable+0xaa/0xb9 [ 4006.231915] [] ? ns_capable_common+0x149/0x153 [ 4006.250727] [] ? __netlink_ns_capable+0xf3/0xff [ 4006.269928] [] ? rtnl_link_unregister+0x20d/0x20d [ 4006.289312] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4006.306424] [] ? rtnl_newlink+0x1165/0x1165 [ 4006.323255] [] ? mutex_set_owner+0x8e/0xc6 [ 4006.342798] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4006.364081] [] ? rtnl_newlink+0x1165/0x1165 [ 4006.381286] [] netlink_rcv_skb+0x173/0x25b [ 4006.396794] [] rtnetlink_rcv+0x28/0x2f [ 4006.413594] [] netlink_unicast+0x3fc/0x503 [ 4006.430913] [] ? netlink_sendskb+0x35/0x35 [ 4006.446646] [] netlink_sendmsg+0x860/0x877 [ 4006.464165] [] ? netlink_unicast+0x503/0x503 [ 4006.481927] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4006.496895] [] ? netlink_unicast+0x503/0x503 [ 4006.514068] [] sock_sendmsg+0xe9/0x116 [ 4006.532843] [] ? ___sys_sendmsg+0x40c/0x789 [ 4006.549631] [] ___sys_sendmsg+0x5de/0x789 [ 4006.566542] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4006.586677] [] ? vm_normal_page+0x1aa/0x1aa [ 4006.603444] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4006.622557] [] ? compound_head+0x4e/0x56 [ 4006.639877] [] ? handle_mm_fault+0x1e11/0x2102 [ 4006.659519] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4006.680541] [] ? __fget_light+0xe6/0xf0 [ 4006.693052] [] __sys_sendmsg+0xdd/0x167 [ 4006.710726] [] ? __sys_sendmsg+0xdd/0x167 [ 4006.729906] [] ? SyS_shutdown+0x29/0x29 [ 4006.744424] [] SyS_sendmsg+0x3a/0x4f [ 4006.759978] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4006.779744] ================================================================================ [ 4006.808379] ================================================================================ [ 4006.833951] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:4202:12 [ 4006.855923] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 4006.886746] which requires 64 byte alignment [ 4006.899606] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4006.918794] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4006.947106] 00000000ffffffff 00000000f797e7aa ffff88005a45ea48 ffffffffb26ec5cc [ 4006.967885] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4006.995973] ffffffff00000010 ffff88005a45ea70 ffff88005a45ea20 ffffffffb363c3e0 [ 4007.018123] Call Trace: [ 4007.025573] [] dump_stack+0xd7/0x132 [ 4007.042345] [] ? arch_local_irq_restore+0x1b/0x1b [ 4007.061983] [] ubsan_epilogue+0x12/0x53 [ 4007.075793] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4007.097157] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4007.115267] [] ? kasan_slab_free+0x8a/0x96 [ 4007.131942] [] ? slab_free_freelist_hook+0x129/0x134 [ 4007.151759] [] l3mdev_fib_table_rcu+0x114/0x1e4 [ 4007.168384] [] ? fib_magic+0x124/0x38f [ 4007.183294] [] fib_magic+0x16d/0x38f [ 4007.201777] [] ? fib_new_table+0x319/0x319 [ 4007.217625] [] ? netlink_broadcast_filtered+0x916/0x970 [ 4007.237925] [] ? __netlink_sendskb+0xaa/0xaa [ 4007.256837] [] ? inet_make_mask+0x77/0x77 [ 4007.271391] [] fib_add_ifaddr+0x172/0x3cf [ 4007.287959] [] fib_inetaddr_event+0xbf/0x1bb [ 4007.307784] [] notifier_call_chain+0xd2/0x184 [ 4007.324751] [] __blocking_notifier_call_chain+0x7c/0xa1 [ 4007.349140] [] blocking_notifier_call_chain+0x35/0x37 [ 4007.367679] [] __inet_insert_ifa+0x703/0x74b [ 4007.386893] [] ? inet_netconf_dump_devconf+0x7ad/0x7ad [ 4007.407786] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4007.429865] [] ? inet_alloc_ifa+0x30/0x32 [ 4007.443697] [] inet_insert_ifa+0x20/0x22 [ 4007.459588] [] inetdev_event+0x56d/0xbef [ 4007.477050] [] ? inetdev_init+0x369/0x369 [ 4007.492634] [] ? netprio_device_event+0x118/0x14e [ 4007.513693] [] ? update_netprio+0x1e1/0x1e1 [ 4007.530438] [] notifier_call_chain+0xd2/0x184 [ 4007.547258] [] ? notifier_call_chain+0xd2/0x184 [ 4007.564407] [] raw_notifier_call_chain+0x35/0x37 [ 4007.586443] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4007.609160] [] call_netdevice_notifiers+0x75/0x97 [ 4007.632147] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4007.653321] [] __dev_notify_flags+0x12b/0x1c3 [ 4007.671886] [] ? dev_change_name+0x519/0x519 [ 4007.691292] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4007.710109] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4007.731538] [] dev_change_flags+0xfb/0x10f [ 4007.752132] [] do_setlink+0xb05/0x2647 [ 4007.768909] [] ? univ8250_console_setup+0x15a/0x15a [ 4007.788659] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4007.809279] [] ? console_unlock+0x6a9/0x6b8 [ 4007.825165] [] ? vprintk_emit+0x636/0x647 [ 4007.843104] [] ? vprintk_default+0x65/0x6e [ 4007.860290] [] ? ubsan_epilogue+0x26/0x53 [ 4007.875752] [] ? arch_local_irq_restore+0x6/0xd [ 4007.894191] [] ? validate_linkmsg+0x462/0x4a0 [ 4007.914550] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4007.931489] [] rtnl_newlink+0x98a/0x1165 [ 4007.947574] [] ? rtnl_newlink+0x4db/0x1165 [ 4007.963683] [] ? rtnl_newlink+0x457/0x1165 [ 4007.980669] [] ? rtnl_link_unregister+0x20d/0x20d [ 4008.000291] [] ? save_stack+0xc4/0xce [ 4008.016276] [] ? save_stack_trace+0x31/0xf1 [ 4008.034981] [] ? save_stack+0x46/0xce [ 4008.051114] [] ? security_capable+0xaa/0xb9 [ 4008.069092] [] ? ns_capable_common+0x149/0x153 [ 4008.085530] [] ? __netlink_ns_capable+0xf3/0xff [ 4008.105723] [] ? rtnl_link_unregister+0x20d/0x20d [ 4008.125042] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4008.140732] [] ? rtnl_newlink+0x1165/0x1165 [ 4008.159607] [] ? mutex_set_owner+0x8e/0xc6 [ 4008.177608] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4008.202122] [] ? rtnl_newlink+0x1165/0x1165 [ 4008.218450] [] netlink_rcv_skb+0x173/0x25b [ 4008.234489] [] rtnetlink_rcv+0x28/0x2f [ 4008.252016] [] netlink_unicast+0x3fc/0x503 [ 4008.266729] [] ? netlink_sendskb+0x35/0x35 [ 4008.283314] [] netlink_sendmsg+0x860/0x877 [ 4008.299451] [] ? netlink_unicast+0x503/0x503 [ 4008.315516] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4008.333156] [] ? netlink_unicast+0x503/0x503 [ 4008.353455] [] sock_sendmsg+0xe9/0x116 [ 4008.369620] [] ? ___sys_sendmsg+0x40c/0x789 [ 4008.387944] [] ___sys_sendmsg+0x5de/0x789 [ 4008.406117] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4008.423892] [] ? vm_normal_page+0x1aa/0x1aa [ 4008.441163] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4008.463329] [] ? compound_head+0x4e/0x56 [ 4008.477165] [] ? handle_mm_fault+0x1e11/0x2102 [ 4008.494128] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4008.513453] [] ? __fget_light+0xe6/0xf0 [ 4008.528504] [] __sys_sendmsg+0xdd/0x167 [ 4008.542643] [] ? __sys_sendmsg+0xdd/0x167 [ 4008.559874] [] ? SyS_shutdown+0x29/0x29 [ 4008.576973] [] SyS_sendmsg+0x3a/0x4f [ 4008.591761] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4008.612113] ================================================================================ [ 4008.637062] ================================================================================ [ 4008.662268] UBSAN: Undefined behaviour in net/ipv4/fib_frontend.c:815:30 [ 4008.684019] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4008.709875] which requires 64 byte alignment [ 4008.724078] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4008.742355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4008.772282] 00000000ffffffff 00000000f797e7aa ffff88005a45ea78 ffffffffb26ec5cc [ 4008.797170] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4008.818855] 0000000000000010 ffff88005a45eaa0 ffff88005a45ea50 ffffffffb363c3e0 [ 4008.839863] Call Trace: [ 4008.847491] [] dump_stack+0xd7/0x132 [ 4008.864116] [] ? arch_local_irq_restore+0x1b/0x1b [ 4008.884994] [] ubsan_epilogue+0x12/0x53 [ 4008.899296] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4008.918772] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4008.940552] [] fib_magic+0x222/0x38f [ 4008.956417] [] ? fib_new_table+0x319/0x319 [ 4008.972050] [] fib_add_ifaddr+0x172/0x3cf [ 4008.988638] [] fib_inetaddr_event+0xbf/0x1bb [ 4009.005289] [] notifier_call_chain+0xd2/0x184 [ 4009.027010] [] __blocking_notifier_call_chain+0x7c/0xa1 [ 4009.051674] [] blocking_notifier_call_chain+0x35/0x37 [ 4009.071540] [] __inet_insert_ifa+0x703/0x74b [ 4009.089903] [] ? inet_netconf_dump_devconf+0x7ad/0x7ad [ 4009.109574] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4009.130897] [] ? inet_alloc_ifa+0x30/0x32 [ 4009.149597] [] inet_insert_ifa+0x20/0x22 [ 4009.167278] [] inetdev_event+0x56d/0xbef [ 4009.187304] [] ? inetdev_init+0x369/0x369 [ 4009.210100] [] ? netprio_device_event+0x118/0x14e [ 4009.233114] [] ? update_netprio+0x1e1/0x1e1 [ 4009.253798] [] notifier_call_chain+0xd2/0x184 [ 4009.273240] [] ? notifier_call_chain+0xd2/0x184 [ 4009.299564] [] raw_notifier_call_chain+0x35/0x37 [ 4009.322402] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4009.346660] [] call_netdevice_notifiers+0x75/0x97 [ 4009.368995] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4009.393035] [] __dev_notify_flags+0x12b/0x1c3 [ 4009.413467] [] ? dev_change_name+0x519/0x519 [ 4009.431829] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4009.451915] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4009.476162] [] dev_change_flags+0xfb/0x10f [ 4009.499315] [] do_setlink+0xb05/0x2647 [ 4009.517775] [] ? univ8250_console_setup+0x15a/0x15a [ 4009.537979] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4009.561321] [] ? console_unlock+0x6a9/0x6b8 [ 4009.583717] [] ? vprintk_emit+0x636/0x647 [ 4009.603431] [] ? vprintk_default+0x65/0x6e [ 4009.624784] [] ? ubsan_epilogue+0x26/0x53 [ 4009.641018] [] ? arch_local_irq_restore+0x6/0xd [ 4009.664147] [] ? validate_linkmsg+0x462/0x4a0 [ 4009.683373] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4009.700115] [] rtnl_newlink+0x98a/0x1165 [ 4009.717432] [] ? rtnl_newlink+0x4db/0x1165 [ 4009.734230] [] ? rtnl_newlink+0x457/0x1165 [ 4009.751486] [] ? rtnl_link_unregister+0x20d/0x20d [ 4009.770544] [] ? save_stack+0xc4/0xce [ 4009.788617] [] ? save_stack_trace+0x31/0xf1 [ 4009.806571] [] ? save_stack+0x46/0xce [ 4009.822615] [] ? security_capable+0xaa/0xb9 [ 4009.863929] [] ? ns_capable_common+0x149/0x153 [ 4009.918674] [] ? __netlink_ns_capable+0xf3/0xff [ 4009.964926] [] ? rtnl_link_unregister+0x20d/0x20d [ 4009.987991] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4010.008695] [] ? rtnl_newlink+0x1165/0x1165 [ 4010.027218] [] ? mutex_set_owner+0x8e/0xc6 [ 4010.043135] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4010.066590] [] ? rtnl_newlink+0x1165/0x1165 [ 4010.083310] [] netlink_rcv_skb+0x173/0x25b [ 4010.106432] [] rtnetlink_rcv+0x28/0x2f [ 4010.119778] [] netlink_unicast+0x3fc/0x503 [ 4010.138270] [] ? netlink_sendskb+0x35/0x35 [ 4010.159919] [] netlink_sendmsg+0x860/0x877 [ 4010.174643] [] ? netlink_unicast+0x503/0x503 [ 4010.193932] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4010.212251] [] ? netlink_unicast+0x503/0x503 [ 4010.229624] [] sock_sendmsg+0xe9/0x116 [ 4010.245757] [] ? ___sys_sendmsg+0x40c/0x789 [ 4010.261197] [] ___sys_sendmsg+0x5de/0x789 [ 4010.279502] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4010.296853] [] ? vm_normal_page+0x1aa/0x1aa [ 4010.312092] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4010.332339] [] ? compound_head+0x4e/0x56 [ 4010.349080] [] ? handle_mm_fault+0x1e11/0x2102 [ 4010.365988] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4010.385180] [] ? __fget_light+0xe6/0xf0 [ 4010.400491] [] __sys_sendmsg+0xdd/0x167 [ 4010.416985] [] ? __sys_sendmsg+0xdd/0x167 [ 4010.432970] [] ? SyS_shutdown+0x29/0x29 [ 4010.449414] [] SyS_sendmsg+0x3a/0x4f [ 4010.463940] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4010.483752] ================================================================================ [ 4010.510228] ================================================================================ [ 4010.542614] UBSAN: Undefined behaviour in net/core/dev.c:832:10 [ 4010.572654] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4010.611932] which requires 64 byte alignment [ 4010.628736] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4010.658794] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4010.687975] 00000000ffffffff 00000000f797e7aa ffff88005a45e688 ffffffffb26ec5cc [ 4010.713188] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4010.742595] ffff880000000010 ffff88005a45e6b0 ffff88005a45e660 ffffffffb363c3e0 [ 4010.769085] Call Trace: [ 4010.775577] [] dump_stack+0xd7/0x132 [ 4010.792348] [] ? arch_local_irq_restore+0x1b/0x1b [ 4010.813186] [] ubsan_epilogue+0x12/0x53 [ 4010.831455] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4010.850867] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4010.868637] [] dev_get_by_index_rcu+0xac/0x11d [ 4010.884178] [] dev_get_by_index+0x26/0x6a [ 4010.898355] [] fib_create_info+0x1b01/0x2b54 [ 4010.916257] [] ? kasan_kmalloc+0x94/0xa3 [ 4010.933190] [] ? fib_trie_table+0x34/0x1c6 [ 4010.952261] [] ? __blocking_notifier_call_chain+0x7c/0xa1 [ 4010.977239] [] ? inetdev_event+0x56d/0xbef [ 4011.001024] [] ? fib_info_update_nh_saddr+0x164/0x164 [ 4011.027253] [] ? netlink_sendmsg+0x860/0x877 [ 4011.046849] [] ? sock_sendmsg+0x50/0x116 [ 4011.065634] [] ? ___sys_sendmsg+0x5de/0x789 [ 4011.082909] [] ? __sys_sendmsg+0xdd/0x167 [ 4011.102898] [] ? SyS_sendmsg+0x3a/0x4f [ 4011.119054] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4011.138353] [] ? ___slab_alloc+0xb72/0xbd2 [ 4011.155136] [] ? ___slab_alloc+0xb72/0xbd2 [ 4011.171118] [] ? kzalloc.constprop.6+0x1c/0x1e [ 4011.189486] [] ? kasan_poison_shadow+0x2f/0x31 [ 4011.213065] [] ? kasan_unpoison_shadow+0x14/0x35 [ 4011.231328] [] ? kasan_poison_shadow+0x2f/0x31 [ 4011.251990] [] ? kasan_unpoison_shadow+0x14/0x35 [ 4011.270631] [] ? kasan_kmalloc+0x94/0xa3 [ 4011.287620] [] fib_table_insert+0x19a/0x10f1 [ 4011.305439] [] ? kzalloc.constprop.6+0x1c/0x1e [ 4011.322647] [] ? fib_new_table+0x2e1/0x319 [ 4011.341183] [] ? fib_trie_seq_show+0x80e/0x80e [ 4011.357983] [] ? fib_new_table+0x2e1/0x319 [ 4011.375034] [] ? fib_get_table+0xf5/0xf5 [ 4011.390789] [] fib_magic+0x32b/0x38f [ 4011.407326] [] ? fib_new_table+0x319/0x319 [ 4011.424660] [] fib_add_ifaddr+0x172/0x3cf [ 4011.441475] [] fib_inetaddr_event+0xbf/0x1bb [ 4011.459029] [] notifier_call_chain+0xd2/0x184 [ 4011.476353] [] __blocking_notifier_call_chain+0x7c/0xa1 [ 4011.497877] [] blocking_notifier_call_chain+0x35/0x37 [ 4011.515218] [] __inet_insert_ifa+0x703/0x74b [ 4011.534074] [] ? inet_netconf_dump_devconf+0x7ad/0x7ad [ 4011.556115] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4011.580117] [] ? inet_alloc_ifa+0x30/0x32 [ 4011.609203] [] inet_insert_ifa+0x20/0x22 [ 4011.631297] [] inetdev_event+0x56d/0xbef [ 4011.650521] [] ? inetdev_init+0x369/0x369 [ 4011.666706] [] ? netprio_device_event+0x118/0x14e [ 4011.686895] [] ? update_netprio+0x1e1/0x1e1 [ 4011.705758] [] notifier_call_chain+0xd2/0x184 [ 4011.722602] [] ? notifier_call_chain+0xd2/0x184 [ 4011.743254] [] raw_notifier_call_chain+0x35/0x37 [ 4011.762427] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4011.781309] [] call_netdevice_notifiers+0x75/0x97 [ 4011.811101] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4011.838813] [] __dev_notify_flags+0x12b/0x1c3 [ 4011.860607] [] ? dev_change_name+0x519/0x519 [ 4011.877028] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4011.894945] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4011.918689] [] dev_change_flags+0xfb/0x10f [ 4011.936714] [] do_setlink+0xb05/0x2647 [ 4011.952267] [] ? univ8250_console_setup+0x15a/0x15a [ 4011.972171] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4011.989492] [] ? console_unlock+0x6a9/0x6b8 [ 4012.007921] [] ? vprintk_emit+0x636/0x647 [ 4012.026514] [] ? vprintk_default+0x65/0x6e [ 4012.041323] [] ? ubsan_epilogue+0x26/0x53 [ 4012.057443] [] ? arch_local_irq_restore+0x6/0xd [ 4012.077766] [] ? validate_linkmsg+0x462/0x4a0 [ 4012.096443] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4012.109893] [] rtnl_newlink+0x98a/0x1165 [ 4012.126627] [] ? rtnl_newlink+0x4db/0x1165 [ 4012.142125] [] ? rtnl_newlink+0x457/0x1165 [ 4012.157692] [] ? rtnl_link_unregister+0x20d/0x20d [ 4012.177596] [] ? save_stack+0xc4/0xce [ 4012.191076] [] ? save_stack_trace+0x31/0xf1 [ 4012.209921] [] ? save_stack+0x46/0xce [ 4012.226605] [] ? security_capable+0xaa/0xb9 [ 4012.241320] [] ? ns_capable_common+0x149/0x153 [ 4012.258495] [] ? __netlink_ns_capable+0xf3/0xff [ 4012.278455] [] ? rtnl_link_unregister+0x20d/0x20d [ 4012.297707] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4012.312915] [] ? rtnl_newlink+0x1165/0x1165 [ 4012.331766] [] ? mutex_set_owner+0x8e/0xc6 [ 4012.348476] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4012.368093] [] ? rtnl_newlink+0x1165/0x1165 [ 4012.385685] [] netlink_rcv_skb+0x173/0x25b [ 4012.405431] [] rtnetlink_rcv+0x28/0x2f [ 4012.419840] [] netlink_unicast+0x3fc/0x503 [ 4012.437595] [] ? netlink_sendskb+0x35/0x35 [ 4012.454072] [] netlink_sendmsg+0x860/0x877 [ 4012.469359] [] ? netlink_unicast+0x503/0x503 [ 4012.487173] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4012.504765] [] ? netlink_unicast+0x503/0x503 [ 4012.518765] [] sock_sendmsg+0xe9/0x116 [ 4012.534017] [] ? ___sys_sendmsg+0x40c/0x789 [ 4012.549963] [] ___sys_sendmsg+0x5de/0x789 [ 4012.566323] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4012.587193] [] ? vm_normal_page+0x1aa/0x1aa [ 4012.601799] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4012.622955] [] ? compound_head+0x4e/0x56 [ 4012.637390] [] ? handle_mm_fault+0x1e11/0x2102 [ 4012.656094] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4012.673939] [] ? __fget_light+0xe6/0xf0 [ 4012.689278] [] __sys_sendmsg+0xdd/0x167 [ 4012.704430] [] ? __sys_sendmsg+0xdd/0x167 [ 4012.719259] [] ? SyS_shutdown+0x29/0x29 [ 4012.733498] [] SyS_sendmsg+0x3a/0x4f [ 4012.749355] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4012.767639] ================================================================================ [ 4012.792629] ================================================================================ [ 4012.817272] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:3368:2 [ 4012.835739] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4012.859509] which requires 64 byte alignment [ 4012.870875] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4012.889160] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4012.914977] 00000000ffffffff 00000000f797e7aa ffff88005a45e6b0 ffffffffb26ec5cc [ 4012.936732] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4012.957851] ffffffff00000010 ffff88005a45e6d8 ffff88005a45e688 ffffffffb363c3e0 [ 4012.977359] Call Trace: [ 4012.984829] [] dump_stack+0xd7/0x132 [ 4012.998681] [] ? arch_local_irq_restore+0x1b/0x1b [ 4013.015985] [] ubsan_epilogue+0x12/0x53 [ 4013.031865] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4013.052339] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4013.073968] [] dev_get_by_index+0x47/0x6a [ 4013.087137] [] fib_create_info+0x1b01/0x2b54 [ 4013.102037] [] ? kasan_kmalloc+0x94/0xa3 [ 4013.116659] [] ? fib_trie_table+0x34/0x1c6 [ 4013.132181] [] ? __blocking_notifier_call_chain+0x7c/0xa1 [ 4013.153632] [] ? inetdev_event+0x56d/0xbef [ 4013.169655] [] ? fib_info_update_nh_saddr+0x164/0x164 [ 4013.188180] [] ? netlink_sendmsg+0x860/0x877 [ 4013.205697] [] ? sock_sendmsg+0x50/0x116 [ 4013.220299] [] ? ___sys_sendmsg+0x5de/0x789 [ 4013.237071] [] ? __sys_sendmsg+0xdd/0x167 [ 4013.253984] [] ? SyS_sendmsg+0x3a/0x4f [ 4013.269844] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4013.287163] [] ? ___slab_alloc+0xb72/0xbd2 [ 4013.303502] [] ? ___slab_alloc+0xb72/0xbd2 [ 4013.318312] [] ? kzalloc.constprop.6+0x1c/0x1e [ 4013.333906] [] ? kasan_poison_shadow+0x2f/0x31 [ 4013.350160] [] ? kasan_unpoison_shadow+0x14/0x35 [ 4013.367616] [] ? kasan_poison_shadow+0x2f/0x31 [ 4013.385636] [] ? kasan_unpoison_shadow+0x14/0x35 [ 4013.402861] [] ? kasan_kmalloc+0x94/0xa3 [ 4013.420524] [] fib_table_insert+0x19a/0x10f1 [ 4013.437967] [] ? kzalloc.constprop.6+0x1c/0x1e [ 4013.455842] [] ? fib_new_table+0x2e1/0x319 [ 4013.472640] [] ? fib_trie_seq_show+0x80e/0x80e [ 4013.490159] [] ? fib_new_table+0x2e1/0x319 [ 4013.507674] [] ? fib_get_table+0xf5/0xf5 [ 4013.523032] [] fib_magic+0x32b/0x38f [ 4013.537386] [] ? fib_new_table+0x319/0x319 [ 4013.554616] [] fib_add_ifaddr+0x172/0x3cf [ 4013.573349] [] fib_inetaddr_event+0xbf/0x1bb [ 4013.588768] [] notifier_call_chain+0xd2/0x184 [ 4013.606489] [] __blocking_notifier_call_chain+0x7c/0xa1 [ 4013.625359] [] blocking_notifier_call_chain+0x35/0x37 [ 4013.642427] [] __inet_insert_ifa+0x703/0x74b [ 4013.659086] [] ? inet_netconf_dump_devconf+0x7ad/0x7ad [ 4013.678612] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4013.699862] [] ? inet_alloc_ifa+0x30/0x32 [ 4013.713863] [] inet_insert_ifa+0x20/0x22 [ 4013.729425] [] inetdev_event+0x56d/0xbef [ 4013.744760] [] ? inetdev_init+0x369/0x369 [ 4013.760330] [] ? netprio_device_event+0x118/0x14e [ 4013.776716] [] ? update_netprio+0x1e1/0x1e1 [ 4013.793121] [] notifier_call_chain+0xd2/0x184 [ 4013.810446] [] ? notifier_call_chain+0xd2/0x184 [ 4013.829007] [] raw_notifier_call_chain+0x35/0x37 [ 4013.847429] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4013.868078] [] call_netdevice_notifiers+0x75/0x97 [ 4013.886755] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4013.905610] [] __dev_notify_flags+0x12b/0x1c3 [ 4013.921212] [] ? dev_change_name+0x519/0x519 [ 4013.938077] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4013.956269] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4013.974186] [] dev_change_flags+0xfb/0x10f [ 4013.989066] [] do_setlink+0xb05/0x2647 [ 4014.005666] [] ? univ8250_console_setup+0x15a/0x15a [ 4014.023143] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4014.040720] [] ? console_unlock+0x6a9/0x6b8 [ 4014.056863] [] ? vprintk_emit+0x636/0x647 [ 4014.072843] [] ? vprintk_default+0x65/0x6e [ 4014.087795] [] ? ubsan_epilogue+0x26/0x53 [ 4014.105979] [] ? arch_local_irq_restore+0x6/0xd [ 4014.123507] [] ? validate_linkmsg+0x462/0x4a0 [ 4014.138363] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4014.154523] [] rtnl_newlink+0x98a/0x1165 [ 4014.170891] [] ? rtnl_newlink+0x4db/0x1165 [ 4014.188251] [] ? rtnl_newlink+0x457/0x1165 [ 4014.208226] [] ? rtnl_link_unregister+0x20d/0x20d [ 4014.225561] [] ? save_stack+0xc4/0xce [ 4014.237969] [] ? save_stack_trace+0x31/0xf1 [ 4014.256719] [] ? save_stack+0x46/0xce [ 4014.271277] [] ? security_capable+0xaa/0xb9 [ 4014.288744] [] ? ns_capable_common+0x149/0x153 [ 4014.306923] [] ? __netlink_ns_capable+0xf3/0xff [ 4014.323603] [] ? rtnl_link_unregister+0x20d/0x20d [ 4014.342504] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4014.359558] [] ? rtnl_newlink+0x1165/0x1165 [ 4014.378469] [] ? mutex_set_owner+0x8e/0xc6 [ 4014.395373] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4014.423940] [] ? rtnl_newlink+0x1165/0x1165 [ 4014.447340] [] netlink_rcv_skb+0x173/0x25b [ 4014.468726] [] rtnetlink_rcv+0x28/0x2f [ 4014.485416] [] netlink_unicast+0x3fc/0x503 [ 4014.506552] [] ? netlink_sendskb+0x35/0x35 [ 4014.525546] [] netlink_sendmsg+0x860/0x877 [ 4014.543388] [] ? netlink_unicast+0x503/0x503 [ 4014.558120] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4014.576768] [] ? netlink_unicast+0x503/0x503 [ 4014.593848] [] sock_sendmsg+0xe9/0x116 [ 4014.612099] [] ? ___sys_sendmsg+0x40c/0x789 [ 4014.631129] [] ___sys_sendmsg+0x5de/0x789 [ 4014.650200] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4014.666988] [] ? vm_normal_page+0x1aa/0x1aa [ 4014.687913] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4014.718901] [] ? compound_head+0x4e/0x56 [ 4014.736944] [] ? handle_mm_fault+0x1e11/0x2102 [ 4014.764116] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4014.786765] [] ? __fget_light+0xe6/0xf0 [ 4014.805751] [] __sys_sendmsg+0xdd/0x167 [ 4014.820829] [] ? __sys_sendmsg+0xdd/0x167 [ 4014.837457] [] ? SyS_shutdown+0x29/0x29 [ 4014.860022] [] SyS_sendmsg+0x3a/0x4f [ 4014.880126] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4014.904539] ================================================================================ [ 4014.937390] ================================================================================ [ 4014.969405] UBSAN: Undefined behaviour in net/ipv4/fib_semantics.c:1203:48 [ 4014.985479] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4015.010068] which requires 64 byte alignment [ 4015.023046] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4015.039936] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4015.066968] 00000000ffffffff 00000000f797e7aa ffff88005a45e6d8 ffffffffb26ec5cc [ 4015.088848] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4015.111989] ffff880000000010 ffff88005a45e700 ffff88005a45e6b0 ffffffffb363c3e0 [ 4015.134469] Call Trace: [ 4015.140945] [] dump_stack+0xd7/0x132 [ 4015.157536] [] ? arch_local_irq_restore+0x1b/0x1b [ 4015.176733] [] ubsan_epilogue+0x12/0x53 [ 4015.191595] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4015.211188] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4015.230509] [] ? fib_info_hash_free+0x7a/0x7a [ 4015.245235] [] fib_create_info+0x2853/0x2b54 [ 4015.264063] [] ? kasan_kmalloc+0x94/0xa3 [ 4015.280332] [] ? fib_trie_table+0x34/0x1c6 [ 4015.296637] [] ? __blocking_notifier_call_chain+0x7c/0xa1 [ 4015.314836] [] ? inetdev_event+0x56d/0xbef [ 4015.331921] [] ? fib_info_update_nh_saddr+0x164/0x164 [ 4015.349688] [] ? netlink_sendmsg+0x860/0x877 [ 4015.370197] [] ? sock_sendmsg+0x50/0x116 [ 4015.389045] [] ? ___sys_sendmsg+0x5de/0x789 [ 4015.406655] [] ? __sys_sendmsg+0xdd/0x167 [ 4015.423883] [] ? SyS_sendmsg+0x3a/0x4f [ 4015.439665] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4015.456721] [] ? ___slab_alloc+0xb72/0xbd2 [ 4015.471014] [] ? ___slab_alloc+0xb72/0xbd2 [ 4015.488191] [] ? kzalloc.constprop.6+0x1c/0x1e [ 4015.506879] [] ? kasan_poison_shadow+0x2f/0x31 [ 4015.523956] [] ? kasan_unpoison_shadow+0x14/0x35 [ 4015.542832] [] ? kasan_poison_shadow+0x2f/0x31 [ 4015.560528] [] ? kasan_unpoison_shadow+0x14/0x35 [ 4015.576565] [] ? kasan_kmalloc+0x94/0xa3 [ 4015.591528] [] fib_table_insert+0x19a/0x10f1 [ 4015.609273] [] ? kzalloc.constprop.6+0x1c/0x1e [ 4015.627483] [] ? fib_new_table+0x2e1/0x319 [ 4015.642408] [] ? fib_trie_seq_show+0x80e/0x80e [ 4015.659726] [] ? fib_new_table+0x2e1/0x319 [ 4015.677878] [] ? fib_get_table+0xf5/0xf5 [ 4015.694421] [] fib_magic+0x32b/0x38f [ 4015.709110] [] ? fib_new_table+0x319/0x319 [ 4015.726722] [] fib_add_ifaddr+0x172/0x3cf [ 4015.743410] [] fib_inetaddr_event+0xbf/0x1bb [ 4015.759512] [] notifier_call_chain+0xd2/0x184 [ 4015.777338] [] __blocking_notifier_call_chain+0x7c/0xa1 [ 4015.795075] [] blocking_notifier_call_chain+0x35/0x37 [ 4015.812141] [] __inet_insert_ifa+0x703/0x74b [ 4015.828734] [] ? inet_netconf_dump_devconf+0x7ad/0x7ad [ 4015.845253] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4015.866561] [] ? inet_alloc_ifa+0x30/0x32 [ 4015.881229] [] inet_insert_ifa+0x20/0x22 [ 4015.895951] [] inetdev_event+0x56d/0xbef [ 4015.912242] [] ? inetdev_init+0x369/0x369 [ 4015.929005] [] ? netprio_device_event+0x118/0x14e [ 4015.946367] [] ? update_netprio+0x1e1/0x1e1 [ 4015.962695] [] notifier_call_chain+0xd2/0x184 [ 4015.979409] [] ? notifier_call_chain+0xd2/0x184 [ 4015.999645] [] raw_notifier_call_chain+0x35/0x37 [ 4016.018931] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4016.037448] [] call_netdevice_notifiers+0x75/0x97 [ 4016.055782] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4016.075424] [] __dev_notify_flags+0x12b/0x1c3 [ 4016.093215] [] ? dev_change_name+0x519/0x519 [ 4016.108346] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4016.125158] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4016.142452] [] dev_change_flags+0xfb/0x10f [ 4016.162348] [] do_setlink+0xb05/0x2647 [ 4016.177402] [] ? univ8250_console_setup+0x15a/0x15a [ 4016.193774] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4016.212014] [] ? console_unlock+0x6a9/0x6b8 [ 4016.228546] [] ? vprintk_emit+0x636/0x647 [ 4016.244903] [] ? vprintk_default+0x65/0x6e [ 4016.261677] [] ? ubsan_epilogue+0x26/0x53 [ 4016.280903] [] ? arch_local_irq_restore+0x6/0xd [ 4016.298463] [] ? validate_linkmsg+0x462/0x4a0 [ 4016.314161] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4016.331106] [] rtnl_newlink+0x98a/0x1165 [ 4016.347681] [] ? rtnl_newlink+0x4db/0x1165 [ 4016.365516] [] ? rtnl_newlink+0x457/0x1165 [ 4016.380763] [] ? rtnl_link_unregister+0x20d/0x20d [ 4016.398501] [] ? save_stack+0xc4/0xce [ 4016.414511] [] ? save_stack_trace+0x31/0xf1 [ 4016.430663] [] ? save_stack+0x46/0xce [ 4016.446329] [] ? security_capable+0xaa/0xb9 [ 4016.464262] [] ? ns_capable_common+0x149/0x153 [ 4016.481065] [] ? __netlink_ns_capable+0xf3/0xff [ 4016.500717] [] ? rtnl_link_unregister+0x20d/0x20d [ 4016.519070] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4016.537819] [] ? rtnl_newlink+0x1165/0x1165 [ 4016.555208] [] ? mutex_set_owner+0x8e/0xc6 [ 4016.570095] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4016.590919] [] ? rtnl_newlink+0x1165/0x1165 [ 4016.605661] [] netlink_rcv_skb+0x173/0x25b [ 4016.619717] [] rtnetlink_rcv+0x28/0x2f [ 4016.633967] [] netlink_unicast+0x3fc/0x503 [ 4016.650157] [] ? netlink_sendskb+0x35/0x35 [ 4016.667458] [] netlink_sendmsg+0x860/0x877 [ 4016.682182] [] ? netlink_unicast+0x503/0x503 [ 4016.697635] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4016.713891] [] ? netlink_unicast+0x503/0x503 [ 4016.729362] [] sock_sendmsg+0xe9/0x116 [ 4016.745891] [] ? ___sys_sendmsg+0x40c/0x789 [ 4016.760289] [] ___sys_sendmsg+0x5de/0x789 [ 4016.777966] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4016.793848] [] ? vm_normal_page+0x1aa/0x1aa [ 4016.810615] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4016.831106] [] ? compound_head+0x4e/0x56 [ 4016.848086] [] ? handle_mm_fault+0x1e11/0x2102 [ 4016.864074] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4016.880768] [] ? __fget_light+0xe6/0xf0 [ 4016.894977] [] __sys_sendmsg+0xdd/0x167 [ 4016.912072] [] ? __sys_sendmsg+0xdd/0x167 [ 4016.929785] [] ? SyS_shutdown+0x29/0x29 [ 4016.945666] [] SyS_sendmsg+0x3a/0x4f [ 4016.960429] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4016.977111] ================================================================================ [ 4016.998184] ================================================================================ [ 4017.021074] UBSAN: Undefined behaviour in net/switchdev/switchdev.c:1122:30 [ 4017.042637] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4017.066515] which requires 64 byte alignment [ 4017.078112] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4017.095635] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4017.119253] 00000000ffffffff 00000000f797e7aa ffff88005a45e620 ffffffffb26ec5cc [ 4017.137452] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4017.158914] ffff880000000010 ffff88005a45e648 ffff88005a45e5f8 ffffffffb363c3e0 [ 4017.180598] Call Trace: [ 4017.186765] [] dump_stack+0xd7/0x132 [ 4017.201206] [] ? arch_local_irq_restore+0x1b/0x1b [ 4017.219690] [] ubsan_epilogue+0x12/0x53 [ 4017.232464] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4017.252197] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4017.273654] [] switchdev_get_lowest_dev+0x82/0x191 [ 4017.288576] [] ? kasan_slab_alloc+0x12/0x14 [ 4017.304581] [] ? __switchdev_port_attr_set+0x267/0x267 [ 4017.323858] [] ? fib_magic+0x32b/0x38f [ 4017.336014] [] ? fib_add_ifaddr+0x172/0x3cf [ 4017.350426] [] ? fib_inetaddr_event+0xbf/0x1bb [ 4017.366211] [] ? notifier_call_chain+0xd2/0x184 [ 4017.383805] [] ? __blocking_notifier_call_chain+0x7c/0xa1 [ 4017.405648] [] ? blocking_notifier_call_chain+0x35/0x37 [ 4017.428977] [] switchdev_get_dev_by_nhs+0x1cf/0x2d4 [ 4017.444507] [] ? switchdev_trans_item_enqueue+0xaa/0xaa [ 4017.465537] [] ? ___sys_sendmsg+0x5de/0x789 [ 4017.480838] [] ? ___slab_alloc+0xb72/0xbd2 [ 4017.494831] [] ? ___slab_alloc+0xb72/0xbd2 [ 4017.510708] [] ? fib_table_insert+0xc81/0x10f1 [ 4017.529225] [] ? kasan_poison_shadow+0x2f/0x31 [ 4017.545670] [] switchdev_fib_ipv4_add+0x1f7/0x2c8 [ 4017.562925] [] ? switchdev_fib_ipv4_del+0x1eb/0x1eb [ 4017.581902] [] ? kmem_cache_alloc+0x20f/0x33f [ 4017.599884] [] ? fib_table_insert+0xc81/0x10f1 [ 4017.622219] [] ? fib_table_insert+0xc81/0x10f1 [ 4017.637832] [] fib_table_insert+0xe76/0x10f1 [ 4017.654334] [] ? kzalloc.constprop.6+0x1c/0x1e [ 4017.673259] [] ? fib_new_table+0x2e1/0x319 [ 4017.689696] [] ? fib_trie_seq_show+0x80e/0x80e [ 4017.706567] [] ? fib_new_table+0x2e1/0x319 [ 4017.723808] [] ? fib_get_table+0xf5/0xf5 [ 4017.738040] [] fib_magic+0x32b/0x38f [ 4017.753563] [] ? fib_new_table+0x319/0x319 [ 4017.771920] [] fib_add_ifaddr+0x172/0x3cf [ 4017.788640] [] fib_inetaddr_event+0xbf/0x1bb [ 4017.807059] [] notifier_call_chain+0xd2/0x184 [ 4017.824959] [] __blocking_notifier_call_chain+0x7c/0xa1 [ 4017.845007] [] blocking_notifier_call_chain+0x35/0x37 [ 4017.865212] [] __inet_insert_ifa+0x703/0x74b [ 4017.883901] [] ? inet_netconf_dump_devconf+0x7ad/0x7ad [ 4017.902818] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4017.927148] [] ? inet_alloc_ifa+0x30/0x32 [ 4017.940979] [] inet_insert_ifa+0x20/0x22 [ 4017.958228] [] inetdev_event+0x56d/0xbef [ 4017.973247] [] ? inetdev_init+0x369/0x369 [ 4017.989314] [] ? netprio_device_event+0x118/0x14e [ 4018.007904] [] ? update_netprio+0x1e1/0x1e1 [ 4018.023069] [] notifier_call_chain+0xd2/0x184 [ 4018.041350] [] ? notifier_call_chain+0xd2/0x184 [ 4018.062304] [] raw_notifier_call_chain+0x35/0x37 [ 4018.084485] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4018.105098] [] call_netdevice_notifiers+0x75/0x97 [ 4018.126360] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4018.147428] [] __dev_notify_flags+0x12b/0x1c3 [ 4018.164056] [] ? dev_change_name+0x519/0x519 [ 4018.183952] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4018.204141] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4018.226219] [] dev_change_flags+0xfb/0x10f [ 4018.243287] [] do_setlink+0xb05/0x2647 [ 4018.258564] [] ? univ8250_console_setup+0x15a/0x15a [ 4018.279072] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4018.300186] [] ? console_unlock+0x6a9/0x6b8 [ 4018.316422] [] ? vprintk_emit+0x636/0x647 [ 4018.332935] [] ? vprintk_default+0x65/0x6e [ 4018.350565] [] ? ubsan_epilogue+0x26/0x53 [ 4018.367943] [] ? arch_local_irq_restore+0x6/0xd [ 4018.387679] [] ? validate_linkmsg+0x462/0x4a0 [ 4018.407209] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4018.423959] [] rtnl_newlink+0x98a/0x1165 [ 4018.440039] [] ? rtnl_newlink+0x4db/0x1165 [ 4018.490358] [] ? rtnl_newlink+0x457/0x1165 [ 4018.512898] [] ? rtnl_link_unregister+0x20d/0x20d [ 4018.556055] [] ? save_stack+0xc4/0xce [ 4018.578207] [] ? save_stack_trace+0x31/0xf1 [ 4018.596708] [] ? save_stack+0x46/0xce [ 4018.613820] [] ? security_capable+0xaa/0xb9 [ 4018.631856] [] ? ns_capable_common+0x149/0x153 [ 4018.648042] [] ? __netlink_ns_capable+0xf3/0xff [ 4018.665909] [] ? rtnl_link_unregister+0x20d/0x20d [ 4018.683740] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4018.701963] [] ? rtnl_newlink+0x1165/0x1165 [ 4018.717628] [] ? mutex_set_owner+0x8e/0xc6 [ 4018.736660] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4018.756901] [] ? rtnl_newlink+0x1165/0x1165 [ 4018.774946] [] netlink_rcv_skb+0x173/0x25b [ 4018.790877] [] rtnetlink_rcv+0x28/0x2f [ 4018.807126] [] netlink_unicast+0x3fc/0x503 [ 4018.823253] [] ? netlink_sendskb+0x35/0x35 [ 4018.840890] [] netlink_sendmsg+0x860/0x877 [ 4018.858107] [] ? netlink_unicast+0x503/0x503 [ 4018.875528] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4018.900165] [] ? netlink_unicast+0x503/0x503 [ 4018.919125] [] sock_sendmsg+0xe9/0x116 [ 4018.933997] [] ? ___sys_sendmsg+0x40c/0x789 [ 4018.951825] [] ___sys_sendmsg+0x5de/0x789 [ 4018.967549] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4018.985214] [] ? vm_normal_page+0x1aa/0x1aa [ 4019.001244] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4019.019444] [] ? compound_head+0x4e/0x56 [ 4019.033830] [] ? handle_mm_fault+0x1e11/0x2102 [ 4019.049928] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4019.066172] [] ? __fget_light+0xe6/0xf0 [ 4019.082144] [] __sys_sendmsg+0xdd/0x167 [ 4019.100318] [] ? __sys_sendmsg+0xdd/0x167 [ 4019.116503] [] ? SyS_shutdown+0x29/0x29 [ 4019.131777] [] SyS_sendmsg+0x3a/0x4f [ 4019.147053] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4019.165494] ================================================================================ [ 4019.187072] ================================================================================ [ 4019.214330] UBSAN: Undefined behaviour in net/switchdev/switchdev.c:1134:2 [ 4019.233531] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4019.257606] which requires 64 byte alignment [ 4019.269472] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4019.287676] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4019.314660] 00000000ffffffff 00000000f797e7aa ffff88005a45e620 ffffffffb26ec5cc [ 4019.336682] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4019.359010] ffff880000000010 ffff88005a45e648 ffff88005a45e5f8 ffffffffb363c3e0 [ 4019.381829] Call Trace: [ 4019.390346] [] dump_stack+0xd7/0x132 [ 4019.403736] [] ? arch_local_irq_restore+0x1b/0x1b [ 4019.421151] [] ubsan_epilogue+0x12/0x53 [ 4019.438737] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4019.457651] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4019.482172] [] switchdev_get_lowest_dev+0xb8/0x191 [ 4019.502105] [] ? kasan_slab_alloc+0x12/0x14 [ 4019.517267] [] ? __switchdev_port_attr_set+0x267/0x267 [ 4019.536976] [] ? fib_magic+0x32b/0x38f [ 4019.552914] [] ? fib_add_ifaddr+0x172/0x3cf [ 4019.566883] [] ? fib_inetaddr_event+0xbf/0x1bb [ 4019.584461] [] ? notifier_call_chain+0xd2/0x184 [ 4019.602172] [] ? __blocking_notifier_call_chain+0x7c/0xa1 [ 4019.624299] [] ? blocking_notifier_call_chain+0x35/0x37 [ 4019.645580] [] switchdev_get_dev_by_nhs+0x1cf/0x2d4 [ 4019.664175] [] ? switchdev_trans_item_enqueue+0xaa/0xaa [ 4019.683266] [] ? ___sys_sendmsg+0x5de/0x789 [ 4019.701335] [] ? ___slab_alloc+0xb72/0xbd2 [ 4019.716115] [] ? ___slab_alloc+0xb72/0xbd2 [ 4019.732493] [] ? fib_table_insert+0xc81/0x10f1 [ 4019.750251] [] ? kasan_poison_shadow+0x2f/0x31 [ 4019.765650] [] switchdev_fib_ipv4_add+0x1f7/0x2c8 [ 4019.783742] [] ? switchdev_fib_ipv4_del+0x1eb/0x1eb [ 4019.804297] [] ? kmem_cache_alloc+0x20f/0x33f [ 4019.822993] [] ? fib_table_insert+0xc81/0x10f1 [ 4019.836981] [] ? fib_table_insert+0xc81/0x10f1 [ 4019.855907] [] fib_table_insert+0xe76/0x10f1 [ 4019.870545] [] ? kzalloc.constprop.6+0x1c/0x1e [ 4019.886855] [] ? fib_new_table+0x2e1/0x319 [ 4019.904687] [] ? fib_trie_seq_show+0x80e/0x80e [ 4019.921700] [] ? fib_new_table+0x2e1/0x319 [ 4019.937754] [] ? fib_get_table+0xf5/0xf5 [ 4019.953517] [] fib_magic+0x32b/0x38f [ 4019.966233] [] ? fib_new_table+0x319/0x319 [ 4019.982774] [] fib_add_ifaddr+0x172/0x3cf [ 4019.998052] [] fib_inetaddr_event+0xbf/0x1bb [ 4020.017393] [] notifier_call_chain+0xd2/0x184 [ 4020.033093] [] __blocking_notifier_call_chain+0x7c/0xa1 [ 4020.052369] [] blocking_notifier_call_chain+0x35/0x37 [ 4020.071251] [] __inet_insert_ifa+0x703/0x74b [ 4020.085580] [] ? inet_netconf_dump_devconf+0x7ad/0x7ad [ 4020.107158] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4020.129862] [] ? inet_alloc_ifa+0x30/0x32 [ 4020.146093] [] inet_insert_ifa+0x20/0x22 [ 4020.161342] [] inetdev_event+0x56d/0xbef [ 4020.177525] [] ? inetdev_init+0x369/0x369 [ 4020.194065] [] ? netprio_device_event+0x118/0x14e [ 4020.212137] [] ? update_netprio+0x1e1/0x1e1 [ 4020.227781] [] notifier_call_chain+0xd2/0x184 [ 4020.243982] [] ? notifier_call_chain+0xd2/0x184 [ 4020.262107] [] raw_notifier_call_chain+0x35/0x37 [ 4020.278415] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4020.300132] [] call_netdevice_notifiers+0x75/0x97 [ 4020.317833] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4020.337761] [] __dev_notify_flags+0x12b/0x1c3 [ 4020.355569] [] ? dev_change_name+0x519/0x519 [ 4020.373591] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4020.389666] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4020.409001] [] dev_change_flags+0xfb/0x10f [ 4020.426438] [] do_setlink+0xb05/0x2647 [ 4020.442254] [] ? univ8250_console_setup+0x15a/0x15a [ 4020.458987] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4020.485184] [] ? console_unlock+0x6a9/0x6b8 [ 4020.512326] [] ? vprintk_emit+0x636/0x647 [ 4020.530297] [] ? vprintk_default+0x65/0x6e [ 4020.547352] [] ? ubsan_epilogue+0x26/0x53 [ 4020.563723] [] ? arch_local_irq_restore+0x6/0xd [ 4020.578661] [] ? validate_linkmsg+0x462/0x4a0 [ 4020.599596] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4020.618508] [] rtnl_newlink+0x98a/0x1165 [ 4020.633960] [] ? rtnl_newlink+0x4db/0x1165 [ 4020.651390] [] ? rtnl_newlink+0x457/0x1165 [ 4020.667859] [] ? rtnl_link_unregister+0x20d/0x20d [ 4020.684369] [] ? save_stack+0xc4/0xce [ 4020.701677] [] ? save_stack_trace+0x31/0xf1 [ 4020.716400] [] ? save_stack+0x46/0xce [ 4020.730666] [] ? security_capable+0xaa/0xb9 [ 4020.747587] [] ? ns_capable_common+0x149/0x153 [ 4020.764127] [] ? __netlink_ns_capable+0xf3/0xff [ 4020.783617] [] ? rtnl_link_unregister+0x20d/0x20d [ 4020.804117] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4020.822063] [] ? rtnl_newlink+0x1165/0x1165 [ 4020.837416] [] ? mutex_set_owner+0x8e/0xc6 [ 4020.853964] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4020.876042] [] ? rtnl_newlink+0x1165/0x1165 [ 4020.891797] [] netlink_rcv_skb+0x173/0x25b [ 4020.909365] [] rtnetlink_rcv+0x28/0x2f [ 4020.926921] [] netlink_unicast+0x3fc/0x503 [ 4020.944563] [] ? netlink_sendskb+0x35/0x35 [ 4020.960691] [] netlink_sendmsg+0x860/0x877 [ 4020.977652] [] ? netlink_unicast+0x503/0x503 [ 4020.993897] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4021.014172] [] ? netlink_unicast+0x503/0x503 [ 4021.030738] [] sock_sendmsg+0xe9/0x116 [ 4021.047720] [] ? ___sys_sendmsg+0x40c/0x789 [ 4021.064404] [] ___sys_sendmsg+0x5de/0x789 [ 4021.079120] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4021.099178] [] ? vm_normal_page+0x1aa/0x1aa [ 4021.117140] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4021.138644] [] ? compound_head+0x4e/0x56 [ 4021.155220] [] ? handle_mm_fault+0x1e11/0x2102 [ 4021.175303] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4021.194075] [] ? __fget_light+0xe6/0xf0 [ 4021.207271] [] __sys_sendmsg+0xdd/0x167 [ 4021.225440] [] ? __sys_sendmsg+0xdd/0x167 [ 4021.238770] [] ? SyS_shutdown+0x29/0x29 [ 4021.255213] [] SyS_sendmsg+0x3a/0x4f [ 4021.272390] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4021.291239] ================================================================================ [ 4021.317665] ================================================================================ [ 4021.346164] UBSAN: Undefined behaviour in net/ipv4/fib_frontend.c:861:11 [ 4021.364826] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4021.391686] which requires 64 byte alignment [ 4021.403591] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4021.424247] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4021.450765] 00000000ffffffff 00000000f797e7aa ffff88005a45eb90 ffffffffb26ec5cc [ 4021.471210] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4021.495162] ffff880000000010 ffff88005a45ebb8 ffff88005a45eb68 ffffffffb363c3e0 [ 4021.517020] Call Trace: [ 4021.523591] [] dump_stack+0xd7/0x132 [ 4021.540982] [] ? arch_local_irq_restore+0x1b/0x1b [ 4021.560628] [] ubsan_epilogue+0x12/0x53 [ 4021.576718] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4021.598453] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4021.621314] [] fib_add_ifaddr+0x18c/0x3cf [ 4021.637036] [] fib_inetaddr_event+0xbf/0x1bb [ 4021.656558] [] notifier_call_chain+0xd2/0x184 [ 4021.674312] [] __blocking_notifier_call_chain+0x7c/0xa1 [ 4021.693730] [] blocking_notifier_call_chain+0x35/0x37 [ 4021.711309] [] __inet_insert_ifa+0x703/0x74b [ 4021.728094] [] ? inet_netconf_dump_devconf+0x7ad/0x7ad [ 4021.747627] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4021.766379] [] ? inet_alloc_ifa+0x30/0x32 [ 4021.782456] [] inet_insert_ifa+0x20/0x22 [ 4021.797667] [] inetdev_event+0x56d/0xbef [ 4021.812962] [] ? inetdev_init+0x369/0x369 [ 4021.829729] [] ? netprio_device_event+0x118/0x14e [ 4021.848703] [] ? update_netprio+0x1e1/0x1e1 [ 4021.864811] [] notifier_call_chain+0xd2/0x184 [ 4021.888816] [] ? notifier_call_chain+0xd2/0x184 [ 4021.913031] [] raw_notifier_call_chain+0x35/0x37 [ 4021.935277] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4021.956080] [] call_netdevice_notifiers+0x75/0x97 [ 4021.977278] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4021.999758] [] __dev_notify_flags+0x12b/0x1c3 [ 4022.022586] [] ? dev_change_name+0x519/0x519 [ 4022.044169] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4022.063703] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4022.084217] [] dev_change_flags+0xfb/0x10f [ 4022.101420] [] do_setlink+0xb05/0x2647 [ 4022.119048] [] ? univ8250_console_setup+0x15a/0x15a [ 4022.136136] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4022.155396] [] ? console_unlock+0x6a9/0x6b8 [ 4022.175786] [] ? vprintk_emit+0x636/0x647 [ 4022.192234] [] ? vprintk_default+0x65/0x6e [ 4022.206096] [] ? ubsan_epilogue+0x26/0x53 [ 4022.224078] [] ? arch_local_irq_restore+0x6/0xd [ 4022.242423] [] ? validate_linkmsg+0x462/0x4a0 [ 4022.257051] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4022.277921] [] rtnl_newlink+0x98a/0x1165 [ 4022.294323] [] ? rtnl_newlink+0x4db/0x1165 [ 4022.307320] [] ? rtnl_newlink+0x457/0x1165 [ 4022.325803] [] ? rtnl_link_unregister+0x20d/0x20d [ 4022.344888] [] ? save_stack+0xc4/0xce [ 4022.358796] [] ? save_stack_trace+0x31/0xf1 [ 4022.377367] [] ? save_stack+0x46/0xce [ 4022.394409] [] ? security_capable+0xaa/0xb9 [ 4022.411197] [] ? ns_capable_common+0x149/0x153 [ 4022.428590] [] ? __netlink_ns_capable+0xf3/0xff [ 4022.446319] [] ? rtnl_link_unregister+0x20d/0x20d [ 4022.464253] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4022.481343] [] ? rtnl_newlink+0x1165/0x1165 [ 4022.498256] [] ? mutex_set_owner+0x8e/0xc6 [ 4022.513252] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4022.532895] [] ? rtnl_newlink+0x1165/0x1165 [ 4022.550253] [] netlink_rcv_skb+0x173/0x25b [ 4022.565325] [] rtnetlink_rcv+0x28/0x2f [ 4022.583086] [] netlink_unicast+0x3fc/0x503 [ 4022.600214] [] ? netlink_sendskb+0x35/0x35 [ 4022.615412] [] netlink_sendmsg+0x860/0x877 [ 4022.636624] [] ? netlink_unicast+0x503/0x503 [ 4022.654118] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4022.672244] [] ? netlink_unicast+0x503/0x503 [ 4022.689994] [] sock_sendmsg+0xe9/0x116 [ 4022.704117] [] ? ___sys_sendmsg+0x40c/0x789 [ 4022.722056] [] ___sys_sendmsg+0x5de/0x789 [ 4022.737268] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4022.756206] [] ? vm_normal_page+0x1aa/0x1aa [ 4022.772433] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4022.793402] [] ? compound_head+0x4e/0x56 [ 4022.807451] [] ? handle_mm_fault+0x1e11/0x2102 [ 4022.828526] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4022.849120] [] ? __fget_light+0xe6/0xf0 [ 4022.863427] [] __sys_sendmsg+0xdd/0x167 [ 4022.879115] [] ? __sys_sendmsg+0xdd/0x167 [ 4022.896381] [] ? SyS_shutdown+0x29/0x29 [ 4022.912975] [] SyS_sendmsg+0x3a/0x4f [ 4022.926512] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4022.945467] ================================================================================ [ 4022.970592] ================================================================================ [ 4022.992785] UBSAN: Undefined behaviour in net/ipv4/fib_frontend.c:872:10 [ 4023.014420] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4023.037405] which requires 64 byte alignment [ 4023.051333] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4023.069632] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4023.098308] 00000000ffffffff 00000000f797e7aa ffff88005a45eb90 ffffffffb26ec5cc [ 4023.119603] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4023.141720] ffff880000000010 ffff88005a45ebb8 ffff88005a45eb68 ffffffffb363c3e0 [ 4023.163922] Call Trace: [ 4023.171401] [] dump_stack+0xd7/0x132 [ 4023.184756] [] ? arch_local_irq_restore+0x1b/0x1b [ 4023.203267] [] ubsan_epilogue+0x12/0x53 [ 4023.220145] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4023.238141] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4023.258937] [] fib_add_ifaddr+0x314/0x3cf [ 4023.276033] [] fib_inetaddr_event+0xbf/0x1bb [ 4023.292977] [] notifier_call_chain+0xd2/0x184 [ 4023.306660] [] __blocking_notifier_call_chain+0x7c/0xa1 [ 4023.327855] [] blocking_notifier_call_chain+0x35/0x37 [ 4023.346730] [] __inet_insert_ifa+0x703/0x74b [ 4023.363144] [] ? inet_netconf_dump_devconf+0x7ad/0x7ad [ 4023.382649] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4023.402448] [] ? inet_alloc_ifa+0x30/0x32 [ 4023.417631] [] inet_insert_ifa+0x20/0x22 [ 4023.435370] [] inetdev_event+0x56d/0xbef [ 4023.450988] [] ? inetdev_init+0x369/0x369 [ 4023.467244] [] ? netprio_device_event+0x118/0x14e [ 4023.485036] [] ? update_netprio+0x1e1/0x1e1 [ 4023.501916] [] notifier_call_chain+0xd2/0x184 [ 4023.516850] [] ? notifier_call_chain+0xd2/0x184 [ 4023.534925] [] raw_notifier_call_chain+0x35/0x37 [ 4023.553728] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4023.575274] [] call_netdevice_notifiers+0x75/0x97 [ 4023.592824] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4023.613361] [] __dev_notify_flags+0x12b/0x1c3 [ 4023.630517] [] ? dev_change_name+0x519/0x519 [ 4023.645147] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4023.663393] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4023.684219] [] dev_change_flags+0xfb/0x10f [ 4023.697849] [] do_setlink+0xb05/0x2647 [ 4023.714310] [] ? univ8250_console_setup+0x15a/0x15a [ 4023.732166] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4023.747752] [] ? console_unlock+0x6a9/0x6b8 [ 4023.763167] [] ? vprintk_emit+0x636/0x647 [ 4023.779982] [] ? vprintk_default+0x65/0x6e [ 4023.796391] [] ? ubsan_epilogue+0x26/0x53 [ 4023.812536] [] ? arch_local_irq_restore+0x6/0xd [ 4023.832559] [] ? validate_linkmsg+0x462/0x4a0 [ 4023.848563] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4023.863093] [] rtnl_newlink+0x98a/0x1165 [ 4023.881673] [] ? rtnl_newlink+0x4db/0x1165 [ 4023.902783] [] ? rtnl_newlink+0x457/0x1165 [ 4023.917913] [] ? rtnl_link_unregister+0x20d/0x20d [ 4023.934306] [] ? save_stack+0xc4/0xce [ 4023.949529] [] ? save_stack_trace+0x31/0xf1 [ 4023.963798] [] ? save_stack+0x46/0xce [ 4023.978234] [] ? security_capable+0xaa/0xb9 [ 4023.995968] [] ? ns_capable_common+0x149/0x153 [ 4024.012425] [] ? __netlink_ns_capable+0xf3/0xff [ 4024.028512] [] ? rtnl_link_unregister+0x20d/0x20d [ 4024.048064] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4024.063895] [] ? rtnl_newlink+0x1165/0x1165 [ 4024.079995] [] ? mutex_set_owner+0x8e/0xc6 [ 4024.097935] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4024.115783] [] ? rtnl_newlink+0x1165/0x1165 [ 4024.134176] [] netlink_rcv_skb+0x173/0x25b [ 4024.150368] [] rtnetlink_rcv+0x28/0x2f [ 4024.163775] [] netlink_unicast+0x3fc/0x503 [ 4024.179606] [] ? netlink_sendskb+0x35/0x35 [ 4024.195546] [] netlink_sendmsg+0x860/0x877 [ 4024.214428] [] ? netlink_unicast+0x503/0x503 [ 4024.232267] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4024.251551] [] ? netlink_unicast+0x503/0x503 [ 4024.269279] [] sock_sendmsg+0xe9/0x116 [ 4024.285829] [] ? ___sys_sendmsg+0x40c/0x789 [ 4024.303224] [] ___sys_sendmsg+0x5de/0x789 [ 4024.318892] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4024.336420] [] ? vm_normal_page+0x1aa/0x1aa [ 4024.352907] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4024.373339] [] ? compound_head+0x4e/0x56 [ 4024.392566] [] ? handle_mm_fault+0x1e11/0x2102 [ 4024.408196] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4024.425820] [] ? __fget_light+0xe6/0xf0 [ 4024.442742] [] __sys_sendmsg+0xdd/0x167 [ 4024.457729] [] ? __sys_sendmsg+0xdd/0x167 [ 4024.475534] [] ? SyS_shutdown+0x29/0x29 [ 4024.489014] [] SyS_sendmsg+0x3a/0x4f [ 4024.503598] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4024.522275] ================================================================================ [ 4024.545259] ================================================================================ [ 4024.572131] UBSAN: Undefined behaviour in net/ipv4/fib_semantics.c:818:20 [ 4024.588702] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4024.617415] which requires 64 byte alignment [ 4024.631303] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4024.651091] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4024.683828] 00000000ffffffff 00000000f797e7aa ffff88005a45e5c8 ffffffffb26ec5cc [ 4024.704131] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4024.723986] 0000000000000010 ffff88005a45e5f0 ffff88005a45e5a0 ffffffffb363c3e0 [ 4024.745228] Call Trace: [ 4024.753219] [] dump_stack+0xd7/0x132 [ 4024.765841] [] ? arch_local_irq_restore+0x1b/0x1b [ 4024.784455] [] ubsan_epilogue+0x12/0x53 [ 4024.800494] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4024.818284] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4024.842891] [] fib_check_nh.isra.2+0x8db/0xaa2 [ 4024.858660] [] ? icmp_timestamp.part.11+0x1c/0x1c [ 4024.880469] [] ? kzalloc.constprop.9+0x1c/0x1e [ 4024.897108] [] fib_create_info+0x1ba2/0x2b54 [ 4024.917614] [] ? netlink_broadcast_filtered+0x916/0x970 [ 4024.936657] [] ? fib_info_update_nh_saddr+0x164/0x164 [ 4024.956232] [] ? netlink_broadcast+0x40/0x42 [ 4024.978631] [] ? nlmsg_notify+0xe4/0xf3 [ 4024.994859] [] ? rtnl_notify+0xb7/0xc4 [ 4025.011175] [] ? rtmsg_fib+0x46e/0x47d [ 4025.026077] [] fib_table_insert+0x19a/0x10f1 [ 4025.044477] [] ? console_unlock+0x6a9/0x6b8 [ 4025.059029] [] ? fib_trie_seq_show+0x80e/0x80e [ 4025.076879] [] ? fib_new_table+0x2e1/0x319 [ 4025.095622] [] ? fib_get_table+0xf5/0xf5 [ 4025.110645] [] fib_magic+0x32b/0x38f [ 4025.124457] [] ? fib_new_table+0x319/0x319 [ 4025.141225] [] fib_add_ifaddr+0x39c/0x3cf [ 4025.157390] [] fib_inetaddr_event+0xbf/0x1bb [ 4025.174892] [] notifier_call_chain+0xd2/0x184 [ 4025.190861] [] __blocking_notifier_call_chain+0x7c/0xa1 [ 4025.211187] [] blocking_notifier_call_chain+0x35/0x37 [ 4025.232016] [] __inet_insert_ifa+0x703/0x74b [ 4025.253566] [] ? inet_netconf_dump_devconf+0x7ad/0x7ad [ 4025.270061] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4025.295853] [] ? inet_alloc_ifa+0x30/0x32 [ 4025.313657] [] inet_insert_ifa+0x20/0x22 [ 4025.328380] [] inetdev_event+0x56d/0xbef [ 4025.348854] [] ? inetdev_init+0x369/0x369 [ 4025.365190] [] ? netprio_device_event+0x118/0x14e [ 4025.381493] [] ? update_netprio+0x1e1/0x1e1 [ 4025.397640] [] notifier_call_chain+0xd2/0x184 [ 4025.415481] [] ? notifier_call_chain+0xd2/0x184 [ 4025.432819] [] raw_notifier_call_chain+0x35/0x37 [ 4025.452124] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4025.473341] [] call_netdevice_notifiers+0x75/0x97 [ 4025.493023] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4025.512277] [] __dev_notify_flags+0x12b/0x1c3 [ 4025.532002] [] ? dev_change_name+0x519/0x519 [ 4025.548831] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4025.567374] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4025.586843] [] dev_change_flags+0xfb/0x10f [ 4025.603579] [] do_setlink+0xb05/0x2647 [ 4025.622356] [] ? univ8250_console_setup+0x15a/0x15a [ 4025.641271] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4025.658504] [] ? console_unlock+0x6a9/0x6b8 [ 4025.675596] [] ? vprintk_emit+0x636/0x647 [ 4025.691202] [] ? vprintk_default+0x65/0x6e [ 4025.706586] [] ? ubsan_epilogue+0x26/0x53 [ 4025.722414] [] ? arch_local_irq_restore+0x6/0xd [ 4025.738621] [] ? validate_linkmsg+0x462/0x4a0 [ 4025.756299] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4025.775730] [] rtnl_newlink+0x98a/0x1165 [ 4025.790043] [] ? rtnl_newlink+0x4db/0x1165 [ 4025.805997] [] ? rtnl_newlink+0x457/0x1165 [ 4025.821955] [] ? rtnl_link_unregister+0x20d/0x20d [ 4025.842307] [] ? save_stack+0xc4/0xce [ 4025.856590] [] ? save_stack_trace+0x31/0xf1 [ 4025.873580] [] ? save_stack+0x46/0xce [ 4025.889706] [] ? security_capable+0xaa/0xb9 [ 4025.905315] [] ? ns_capable_common+0x149/0x153 [ 4025.924179] [] ? __netlink_ns_capable+0xf3/0xff [ 4025.942317] [] ? rtnl_link_unregister+0x20d/0x20d [ 4025.958450] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4025.976795] [] ? rtnl_newlink+0x1165/0x1165 [ 4025.994383] [] ? mutex_set_owner+0x8e/0xc6 [ 4026.008071] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4026.028676] [] ? rtnl_newlink+0x1165/0x1165 [ 4026.045036] [] netlink_rcv_skb+0x173/0x25b [ 4026.061682] [] rtnetlink_rcv+0x28/0x2f [ 4026.076794] [] netlink_unicast+0x3fc/0x503 [ 4026.094595] [] ? netlink_sendskb+0x35/0x35 [ 4026.111202] [] netlink_sendmsg+0x860/0x877 [ 4026.129182] [] ? netlink_unicast+0x503/0x503 [ 4026.147811] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4026.166415] [] ? netlink_unicast+0x503/0x503 [ 4026.182236] [] sock_sendmsg+0xe9/0x116 [ 4026.198909] [] ? ___sys_sendmsg+0x40c/0x789 [ 4026.213823] [] ___sys_sendmsg+0x5de/0x789 [ 4026.231057] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4026.250202] [] ? vm_normal_page+0x1aa/0x1aa [ 4026.265522] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4026.286465] [] ? compound_head+0x4e/0x56 [ 4026.303963] [] ? handle_mm_fault+0x1e11/0x2102 [ 4026.322389] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4026.341244] [] ? __fget_light+0xe6/0xf0 [ 4026.357270] [] __sys_sendmsg+0xdd/0x167 [ 4026.375317] [] ? __sys_sendmsg+0xdd/0x167 [ 4026.392442] [] ? SyS_shutdown+0x29/0x29 [ 4026.407027] [] SyS_sendmsg+0x3a/0x4f [ 4026.423264] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4026.441676] ================================================================================ [ 4026.471717] ================================================================================ [ 4026.496552] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:3368:2 [ 4026.515821] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4026.542504] which requires 64 byte alignment [ 4026.558831] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4026.578957] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4026.608515] 00000000ffffffff 00000000f797e7aa ffff88005a45e5c8 ffffffffb26ec5cc [ 4026.631377] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4026.656020] ffffffff00000010 ffff88005a45e5f0 ffff88005a45e5a0 ffffffffb363c3e0 [ 4026.682248] Call Trace: [ 4026.689832] [] dump_stack+0xd7/0x132 [ 4026.706294] [] ? arch_local_irq_restore+0x1b/0x1b [ 4026.724543] [] ubsan_epilogue+0x12/0x53 [ 4026.741258] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4026.763181] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4026.786626] [] fib_check_nh.isra.2+0x973/0xaa2 [ 4026.801023] [] ? icmp_timestamp.part.11+0x1c/0x1c [ 4026.819229] [] ? kzalloc.constprop.9+0x1c/0x1e [ 4026.839564] [] fib_create_info+0x1ba2/0x2b54 [ 4026.856177] [] ? netlink_broadcast_filtered+0x916/0x970 [ 4026.877054] [] ? fib_info_update_nh_saddr+0x164/0x164 [ 4026.897727] [] ? netlink_broadcast+0x40/0x42 [ 4026.916007] [] ? nlmsg_notify+0xe4/0xf3 [ 4026.932387] [] ? rtnl_notify+0xb7/0xc4 [ 4026.947015] [] ? rtmsg_fib+0x46e/0x47d [ 4026.962124] [] fib_table_insert+0x19a/0x10f1 [ 4026.983126] [] ? console_unlock+0x6a9/0x6b8 [ 4026.999862] [] ? fib_trie_seq_show+0x80e/0x80e [ 4027.021007] [] ? fib_new_table+0x2e1/0x319 [ 4027.039012] [] ? fib_get_table+0xf5/0xf5 [ 4027.076428] [] fib_magic+0x32b/0x38f [ 4027.110865] [] ? fib_new_table+0x319/0x319 [ 4027.162771] [] fib_add_ifaddr+0x39c/0x3cf [ 4027.207392] [] fib_inetaddr_event+0xbf/0x1bb [ 4027.254503] [] notifier_call_chain+0xd2/0x184 [ 4027.274513] [] __blocking_notifier_call_chain+0x7c/0xa1 [ 4027.294374] [] blocking_notifier_call_chain+0x35/0x37 [ 4027.313332] [] __inet_insert_ifa+0x703/0x74b [ 4027.331589] [] ? inet_netconf_dump_devconf+0x7ad/0x7ad [ 4027.352041] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4027.374209] [] ? inet_alloc_ifa+0x30/0x32 [ 4027.390149] [] inet_insert_ifa+0x20/0x22 [ 4027.408016] [] inetdev_event+0x56d/0xbef [ 4027.428656] [] ? inetdev_init+0x369/0x369 [ 4027.449278] [] ? netprio_device_event+0x118/0x14e [ 4027.467474] [] ? update_netprio+0x1e1/0x1e1 [ 4027.486655] [] notifier_call_chain+0xd2/0x184 [ 4027.506289] [] ? notifier_call_chain+0xd2/0x184 [ 4027.524958] [] raw_notifier_call_chain+0x35/0x37 [ 4027.542427] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4027.563044] [] call_netdevice_notifiers+0x75/0x97 [ 4027.581679] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4027.601082] [] __dev_notify_flags+0x12b/0x1c3 [ 4027.618400] [] ? dev_change_name+0x519/0x519 [ 4027.637381] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4027.655877] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4027.678670] [] dev_change_flags+0xfb/0x10f [ 4027.697034] [] do_setlink+0xb05/0x2647 [ 4027.716352] [] ? univ8250_console_setup+0x15a/0x15a [ 4027.735618] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4027.756608] [] ? console_unlock+0x6a9/0x6b8 [ 4027.775578] [] ? vprintk_emit+0x636/0x647 [ 4027.792183] [] ? vprintk_default+0x65/0x6e [ 4027.808813] [] ? ubsan_epilogue+0x26/0x53 [ 4027.826610] [] ? arch_local_irq_restore+0x6/0xd [ 4027.846793] [] ? validate_linkmsg+0x462/0x4a0 [ 4027.863780] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4027.881515] [] rtnl_newlink+0x98a/0x1165 [ 4027.899532] [] ? rtnl_newlink+0x4db/0x1165 [ 4027.916017] [] ? rtnl_newlink+0x457/0x1165 [ 4027.933109] [] ? rtnl_link_unregister+0x20d/0x20d [ 4027.953056] [] ? save_stack+0xc4/0xce [ 4027.967359] [] ? save_stack_trace+0x31/0xf1 [ 4027.985413] [] ? save_stack+0x46/0xce [ 4028.003195] [] ? security_capable+0xaa/0xb9 [ 4028.021151] [] ? ns_capable_common+0x149/0x153 [ 4028.038426] [] ? __netlink_ns_capable+0xf3/0xff [ 4028.057332] [] ? rtnl_link_unregister+0x20d/0x20d [ 4028.080105] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4028.099220] [] ? rtnl_newlink+0x1165/0x1165 [ 4028.116280] [] ? mutex_set_owner+0x8e/0xc6 [ 4028.132056] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4028.151923] [] ? rtnl_newlink+0x1165/0x1165 [ 4028.168127] [] netlink_rcv_skb+0x173/0x25b [ 4028.185102] [] rtnetlink_rcv+0x28/0x2f [ 4028.201283] [] netlink_unicast+0x3fc/0x503 [ 4028.218450] [] ? netlink_sendskb+0x35/0x35 [ 4028.233739] [] netlink_sendmsg+0x860/0x877 [ 4028.253551] [] ? netlink_unicast+0x503/0x503 [ 4028.270938] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4028.294571] [] ? netlink_unicast+0x503/0x503 [ 4028.312038] [] sock_sendmsg+0xe9/0x116 [ 4028.327632] [] ? ___sys_sendmsg+0x40c/0x789 [ 4028.347687] [] ___sys_sendmsg+0x5de/0x789 [ 4028.364336] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4028.382483] [] ? vm_normal_page+0x1aa/0x1aa [ 4028.399092] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4028.421450] [] ? compound_head+0x4e/0x56 [ 4028.435834] [] ? handle_mm_fault+0x1e11/0x2102 [ 4028.454877] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4028.473766] [] ? __fget_light+0xe6/0xf0 [ 4028.490684] [] __sys_sendmsg+0xdd/0x167 [ 4028.506703] [] ? __sys_sendmsg+0xdd/0x167 [ 4028.524186] [] ? SyS_shutdown+0x29/0x29 [ 4028.541066] [] SyS_sendmsg+0x3a/0x4f [ 4028.557754] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4028.577328] ================================================================================ [ 4028.603965] ================================================================================ [ 4028.629871] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:4197:12 [ 4028.651386] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 4028.678262] which requires 64 byte alignment [ 4028.690849] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4028.712248] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4028.741900] 00000000ffffffff 00000000f797e7aa ffff88005a45e648 ffffffffb26ec5cc [ 4028.762963] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4028.783407] 0000000000000010 ffff88005a45e670 ffff88005a45e620 ffffffffb363c3e0 [ 4028.804399] Call Trace: [ 4028.814011] [] dump_stack+0xd7/0x132 [ 4028.828592] [] ? arch_local_irq_restore+0x1b/0x1b [ 4028.846798] [] ubsan_epilogue+0x12/0x53 [ 4028.864233] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4028.883946] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4028.909363] [] ? inet_rtm_newroute+0x17b/0x17b [ 4028.928137] [] l3mdev_master_ifindex_rcu+0x39/0xe3 [ 4028.947110] [] inet_select_addr+0x91/0x5a2 [ 4028.964628] [] fib_info_update_nh_saddr+0xc0/0x164 [ 4028.983601] [] fib_create_info+0x1ec8/0x2b54 [ 4029.001286] [] ? netlink_broadcast_filtered+0x916/0x970 [ 4029.023751] [] ? fib_info_update_nh_saddr+0x164/0x164 [ 4029.043302] [] ? netlink_broadcast+0x40/0x42 [ 4029.060131] [] ? nlmsg_notify+0xe4/0xf3 [ 4029.080828] [] ? rtnl_notify+0xb7/0xc4 [ 4029.101628] [] ? rtmsg_fib+0x46e/0x47d [ 4029.118298] [] fib_table_insert+0x19a/0x10f1 [ 4029.134664] [] ? console_unlock+0x6a9/0x6b8 [ 4029.153163] [] ? fib_trie_seq_show+0x80e/0x80e [ 4029.170678] [] ? fib_new_table+0x2e1/0x319 [ 4029.187320] [] ? fib_get_table+0xf5/0xf5 [ 4029.204684] [] fib_magic+0x32b/0x38f [ 4029.221608] [] ? fib_new_table+0x319/0x319 [ 4029.238464] [] fib_add_ifaddr+0x39c/0x3cf [ 4029.254980] [] fib_inetaddr_event+0xbf/0x1bb [ 4029.272808] [] notifier_call_chain+0xd2/0x184 [ 4029.292601] [] __blocking_notifier_call_chain+0x7c/0xa1 [ 4029.313518] [] blocking_notifier_call_chain+0x35/0x37 [ 4029.333527] [] __inet_insert_ifa+0x703/0x74b [ 4029.351102] [] ? inet_netconf_dump_devconf+0x7ad/0x7ad [ 4029.373180] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4029.396445] [] ? inet_alloc_ifa+0x30/0x32 [ 4029.414542] [] inet_insert_ifa+0x20/0x22 [ 4029.431551] [] inetdev_event+0x56d/0xbef [ 4029.449026] [] ? inetdev_init+0x369/0x369 [ 4029.465253] [] ? netprio_device_event+0x118/0x14e [ 4029.484256] [] ? update_netprio+0x1e1/0x1e1 [ 4029.503581] [] notifier_call_chain+0xd2/0x184 [ 4029.519080] [] ? notifier_call_chain+0xd2/0x184 [ 4029.541488] [] raw_notifier_call_chain+0x35/0x37 [ 4029.558789] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4029.578581] [] call_netdevice_notifiers+0x75/0x97 [ 4029.597949] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4029.620918] [] __dev_notify_flags+0x12b/0x1c3 [ 4029.639292] [] ? dev_change_name+0x519/0x519 [ 4029.657191] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4029.675975] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4029.698434] [] dev_change_flags+0xfb/0x10f [ 4029.716794] [] do_setlink+0xb05/0x2647 [ 4029.732416] [] ? univ8250_console_setup+0x15a/0x15a [ 4029.751430] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4029.772165] [] ? console_unlock+0x6a9/0x6b8 [ 4029.789047] [] ? vprintk_emit+0x636/0x647 [ 4029.807195] [] ? vprintk_default+0x65/0x6e [ 4029.824288] [] ? ubsan_epilogue+0x26/0x53 [ 4029.840675] [] ? arch_local_irq_restore+0x6/0xd [ 4029.861523] [] ? validate_linkmsg+0x462/0x4a0 [ 4029.877850] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4029.896530] [] rtnl_newlink+0x98a/0x1165 [ 4029.914093] [] ? rtnl_newlink+0x4db/0x1165 [ 4029.930752] [] ? rtnl_newlink+0x457/0x1165 [ 4029.947983] [] ? rtnl_link_unregister+0x20d/0x20d [ 4029.966196] [] ? save_stack+0xc4/0xce [ 4029.985623] [] ? save_stack_trace+0x31/0xf1 [ 4030.003807] [] ? save_stack+0x46/0xce [ 4030.020235] [] ? security_capable+0xaa/0xb9 [ 4030.036225] [] ? ns_capable_common+0x149/0x153 [ 4030.051567] [] ? __netlink_ns_capable+0xf3/0xff [ 4030.071340] [] ? rtnl_link_unregister+0x20d/0x20d [ 4030.092281] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4030.107004] [] ? rtnl_newlink+0x1165/0x1165 [ 4030.127003] [] ? mutex_set_owner+0x8e/0xc6 [ 4030.144605] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4030.164009] [] ? rtnl_newlink+0x1165/0x1165 [ 4030.183062] [] netlink_rcv_skb+0x173/0x25b [ 4030.200678] [] rtnetlink_rcv+0x28/0x2f [ 4030.216340] [] netlink_unicast+0x3fc/0x503 [ 4030.233575] [] ? netlink_sendskb+0x35/0x35 [ 4030.249653] [] netlink_sendmsg+0x860/0x877 [ 4030.264762] [] ? netlink_unicast+0x503/0x503 [ 4030.284954] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4030.316550] [] ? netlink_unicast+0x503/0x503 [ 4030.334206] [] sock_sendmsg+0xe9/0x116 [ 4030.349848] [] ? ___sys_sendmsg+0x40c/0x789 [ 4030.366972] [] ___sys_sendmsg+0x5de/0x789 [ 4030.382598] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4030.404952] [] ? vm_normal_page+0x1aa/0x1aa [ 4030.422108] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4030.443985] [] ? compound_head+0x4e/0x56 [ 4030.460695] [] ? handle_mm_fault+0x1e11/0x2102 [ 4030.480654] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4030.503173] [] ? __fget_light+0xe6/0xf0 [ 4030.523527] [] __sys_sendmsg+0xdd/0x167 [ 4030.541255] [] ? __sys_sendmsg+0xdd/0x167 [ 4030.557844] [] ? SyS_shutdown+0x29/0x29 [ 4030.574176] [] SyS_sendmsg+0x3a/0x4f [ 4030.595259] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4030.614075] ================================================================================ [ 4030.639022] ================================================================================ [ 4030.664349] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:4202:12 [ 4030.685597] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 4030.715789] which requires 64 byte alignment [ 4030.727312] CPU: 1 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4030.746811] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4030.776633] 00000000ffffffff 00000000f797e7aa ffff88005a45e648 ffffffffb26ec5cc [ 4030.800217] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4030.822349] ffffffff00000010 ffff88005a45e670 ffff88005a45e620 ffffffffb363c3e0 [ 4030.844888] Call Trace: [ 4030.853084] [] dump_stack+0xd7/0x132 [ 4030.871032] [] ? arch_local_irq_restore+0x1b/0x1b [ 4030.891355] [] ubsan_epilogue+0x12/0x53 [ 4030.907410] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4030.927945] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4030.950787] [] ? inet_rtm_newroute+0x17b/0x17b [ 4030.967688] [] l3mdev_master_ifindex_rcu+0x8c/0xe3 [ 4030.985759] [] inet_select_addr+0x91/0x5a2 [ 4031.002422] [] fib_info_update_nh_saddr+0xc0/0x164 [ 4031.022798] [] fib_create_info+0x1ec8/0x2b54 [ 4031.038869] [] ? netlink_broadcast_filtered+0x916/0x970 [ 4031.060196] [] ? fib_info_update_nh_saddr+0x164/0x164 [ 4031.082549] [] ? netlink_broadcast+0x40/0x42 [ 4031.101187] [] ? nlmsg_notify+0xe4/0xf3 [ 4031.116449] [] ? rtnl_notify+0xb7/0xc4 [ 4031.134606] [] ? rtmsg_fib+0x46e/0x47d [ 4031.153670] [] fib_table_insert+0x19a/0x10f1 [ 4031.171588] [] ? console_unlock+0x6a9/0x6b8 [ 4031.187604] [] ? fib_trie_seq_show+0x80e/0x80e [ 4031.205250] [] ? fib_new_table+0x2e1/0x319 [ 4031.223583] [] ? fib_get_table+0xf5/0xf5 [ 4031.241046] [] fib_magic+0x32b/0x38f [ 4031.255616] [] ? fib_new_table+0x319/0x319 [ 4031.276902] [] fib_add_ifaddr+0x39c/0x3cf [ 4031.299351] [] fib_inetaddr_event+0xbf/0x1bb [ 4031.319711] [] notifier_call_chain+0xd2/0x184 [ 4031.338794] [] __blocking_notifier_call_chain+0x7c/0xa1 [ 4031.358010] [] blocking_notifier_call_chain+0x35/0x37 [ 4031.382509] [] __inet_insert_ifa+0x703/0x74b [ 4031.404022] [] ? inet_netconf_dump_devconf+0x7ad/0x7ad [ 4031.426420] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4031.448012] [] ? inet_alloc_ifa+0x30/0x32 [ 4031.467430] [] inet_insert_ifa+0x20/0x22 [ 4031.483562] [] inetdev_event+0x56d/0xbef [ 4031.501056] [] ? inetdev_init+0x369/0x369 [ 4031.518118] [] ? netprio_device_event+0x118/0x14e [ 4031.536102] [] ? update_netprio+0x1e1/0x1e1 [ 4031.554759] [] notifier_call_chain+0xd2/0x184 [ 4031.571605] [] ? notifier_call_chain+0xd2/0x184 [ 4031.589781] [] raw_notifier_call_chain+0x35/0x37 [ 4031.609704] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4031.629197] [] call_netdevice_notifiers+0x75/0x97 [ 4031.648645] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4031.666566] [] __dev_notify_flags+0x12b/0x1c3 [ 4031.685021] [] ? dev_change_name+0x519/0x519 [ 4031.701348] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4031.719460] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4031.743185] [] dev_change_flags+0xfb/0x10f [ 4031.760535] [] do_setlink+0xb05/0x2647 [ 4031.775953] [] ? univ8250_console_setup+0x15a/0x15a [ 4031.795651] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4031.816027] [] ? console_unlock+0x6a9/0x6b8 [ 4031.832446] [] ? vprintk_emit+0x636/0x647 [ 4031.847281] [] ? vprintk_default+0x65/0x6e [ 4031.865383] [] ? ubsan_epilogue+0x26/0x53 [ 4031.881460] [] ? arch_local_irq_restore+0x6/0xd [ 4031.899709] [] ? validate_linkmsg+0x462/0x4a0 [ 4031.920907] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4031.936701] [] rtnl_newlink+0x98a/0x1165 [ 4031.954741] [] ? rtnl_newlink+0x4db/0x1165 [ 4031.974347] [] ? rtnl_newlink+0x457/0x1165 [ 4031.991234] [] ? rtnl_link_unregister+0x20d/0x20d [ 4032.008278] [] ? save_stack+0xc4/0xce [ 4032.024024] [] ? save_stack_trace+0x31/0xf1 [ 4032.042234] [] ? save_stack+0x46/0xce [ 4032.057332] [] ? security_capable+0xaa/0xb9 [ 4032.076372] [] ? ns_capable_common+0x149/0x153 [ 4032.095280] [] ? __netlink_ns_capable+0xf3/0xff [ 4032.111721] [] ? rtnl_link_unregister+0x20d/0x20d [ 4032.130889] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4032.146893] [] ? rtnl_newlink+0x1165/0x1165 [ 4032.163273] [] ? mutex_set_owner+0x8e/0xc6 [ 4032.181235] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4032.202362] [] ? rtnl_newlink+0x1165/0x1165 [ 4032.218853] [] netlink_rcv_skb+0x173/0x25b [ 4032.235961] [] rtnetlink_rcv+0x28/0x2f [ 4032.251865] [] netlink_unicast+0x3fc/0x503 [ 4032.269820] [] ? netlink_sendskb+0x35/0x35 [ 4032.286033] [] netlink_sendmsg+0x860/0x877 [ 4032.302626] [] ? netlink_unicast+0x503/0x503 [ 4032.322201] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4032.341259] [] ? netlink_unicast+0x503/0x503 [ 4032.356386] [] sock_sendmsg+0xe9/0x116 [ 4032.373656] [] ? ___sys_sendmsg+0x40c/0x789 [ 4032.391476] [] ___sys_sendmsg+0x5de/0x789 [ 4032.407787] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4032.428822] [] ? vm_normal_page+0x1aa/0x1aa [ 4032.445749] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4032.467022] [] ? compound_head+0x4e/0x56 [ 4032.482788] [] ? handle_mm_fault+0x1e11/0x2102 [ 4032.501213] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4032.520721] [] ? __fget_light+0xe6/0xf0 [ 4032.536104] [] __sys_sendmsg+0xdd/0x167 [ 4032.553194] [] ? __sys_sendmsg+0xdd/0x167 [ 4032.570402] [] ? SyS_shutdown+0x29/0x29 [ 4032.586265] [] SyS_sendmsg+0x3a/0x4f [ 4032.605761] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4032.624899] ================================================================================ [ 4032.661120] ================================================================================ [ 4032.715567] UBSAN: Undefined behaviour in net/ipv4/fib_semantics.c:1522:11 [ 4032.760158] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4032.811164] which requires 64 byte alignment [ 4032.832028] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4032.876590] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4032.931686] 00000000ffffffff 00000000f797e7aa ffff88005a45eb88 ffffffffb26ec5cc [ 4032.976848] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4033.022899] 0000000000000010 ffff88005a45ebb0 ffff88005a45eb60 ffffffffb363c3e0 [ 4033.064190] Call Trace: [ 4033.081331] [] dump_stack+0xd7/0x132 [ 4033.113170] [] ? arch_local_irq_restore+0x1b/0x1b [ 4033.148288] [] ubsan_epilogue+0x12/0x53 [ 4033.184198] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4033.223323] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4033.265203] [] fib_sync_up+0x3b/0x4e6 [ 4033.306249] [] ? fib_add_ifaddr+0x3c0/0x3cf [ 4033.348004] [] fib_inetaddr_event+0xcc/0x1bb [ 4033.383074] [] notifier_call_chain+0xd2/0x184 [ 4033.420222] [] __blocking_notifier_call_chain+0x7c/0xa1 [ 4033.469146] [] blocking_notifier_call_chain+0x35/0x37 [ 4033.520449] [] __inet_insert_ifa+0x703/0x74b [ 4033.553668] [] ? inet_netconf_dump_devconf+0x7ad/0x7ad [ 4033.607338] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4033.652529] [] ? inet_alloc_ifa+0x30/0x32 [ 4033.684264] [] inet_insert_ifa+0x20/0x22 [ 4033.723823] [] inetdev_event+0x56d/0xbef [ 4033.760697] [] ? inetdev_init+0x369/0x369 [ 4033.797058] [] ? netprio_device_event+0x118/0x14e [ 4033.833495] [] ? update_netprio+0x1e1/0x1e1 [ 4033.872561] [] notifier_call_chain+0xd2/0x184 [ 4033.912406] [] ? notifier_call_chain+0xd2/0x184 [ 4033.951226] [] raw_notifier_call_chain+0x35/0x37 [ 4033.998302] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4034.041493] [] call_netdevice_notifiers+0x75/0x97 [ 4034.082445] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4034.128827] [] __dev_notify_flags+0x12b/0x1c3 [ 4034.165445] [] ? dev_change_name+0x519/0x519 [ 4034.202838] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4034.243170] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4034.293034] [] dev_change_flags+0xfb/0x10f [ 4034.327350] [] do_setlink+0xb05/0x2647 [ 4034.366084] [] ? univ8250_console_setup+0x15a/0x15a [ 4034.404058] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4034.446682] [] ? console_unlock+0x6a9/0x6b8 [ 4034.490309] [] ? vprintk_emit+0x636/0x647 [ 4034.523571] [] ? vprintk_default+0x65/0x6e [ 4034.563085] [] ? ubsan_epilogue+0x26/0x53 [ 4034.596825] [] ? arch_local_irq_restore+0x6/0xd [ 4034.634682] [] ? validate_linkmsg+0x462/0x4a0 [ 4034.671050] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4034.714780] [] rtnl_newlink+0x98a/0x1165 [ 4034.744740] [] ? rtnl_newlink+0x4db/0x1165 [ 4034.779681] [] ? rtnl_newlink+0x457/0x1165 [ 4034.817603] [] ? rtnl_link_unregister+0x20d/0x20d [ 4034.855790] [] ? save_stack+0xc4/0xce [ 4034.893551] [] ? save_stack_trace+0x31/0xf1 [ 4034.926838] [] ? save_stack+0x46/0xce [ 4034.961787] [] ? security_capable+0xaa/0xb9 [ 4034.993401] [] ? ns_capable_common+0x149/0x153 [ 4035.038421] [] ? __netlink_ns_capable+0xf3/0xff [ 4035.078083] [] ? rtnl_link_unregister+0x20d/0x20d [ 4035.117445] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4035.159906] [] ? rtnl_newlink+0x1165/0x1165 [ 4035.192729] [] ? mutex_set_owner+0x8e/0xc6 [ 4035.227418] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4035.270542] [] ? rtnl_newlink+0x1165/0x1165 [ 4035.304700] [] netlink_rcv_skb+0x173/0x25b [ 4035.345232] [] rtnetlink_rcv+0x28/0x2f [ 4035.382624] [] netlink_unicast+0x3fc/0x503 [ 4035.419369] [] ? netlink_sendskb+0x35/0x35 [ 4035.460868] [] netlink_sendmsg+0x860/0x877 [ 4035.493507] [] ? netlink_unicast+0x503/0x503 [ 4035.539300] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4035.573469] [] ? netlink_unicast+0x503/0x503 [ 4035.613705] [] sock_sendmsg+0xe9/0x116 [ 4035.644967] [] ? ___sys_sendmsg+0x40c/0x789 [ 4035.676871] [] ___sys_sendmsg+0x5de/0x789 [ 4035.713762] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4035.750565] [] ? vm_normal_page+0x1aa/0x1aa [ 4035.786811] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4035.841640] [] ? compound_head+0x4e/0x56 [ 4035.889296] [] ? handle_mm_fault+0x1e11/0x2102 [ 4035.938330] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4035.979838] [] ? __fget_light+0xe6/0xf0 [ 4036.020325] [] __sys_sendmsg+0xdd/0x167 [ 4036.058287] [] ? __sys_sendmsg+0xdd/0x167 [ 4036.091369] [] ? SyS_shutdown+0x29/0x29 [ 4036.127010] [] SyS_sendmsg+0x3a/0x4f [ 4036.168362] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4036.203871] ================================================================================ [ 4036.262439] ================================================================================ [ 4036.319904] UBSAN: Undefined behaviour in net/ipv4/fib_semantics.c:1533:32 [ 4036.365713] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4036.420347] which requires 64 byte alignment [ 4036.452688] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4036.494063] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4036.552666] 00000000ffffffff 00000000f797e7aa ffff88005a45eb88 ffffffffb26ec5cc [ 4036.597093] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4036.651812] ffffffff00000010 ffff88005a45ebb0 ffff88005a45eb60 ffffffffb363c3e0 [ 4036.703075] Call Trace: [ 4036.724688] [] dump_stack+0xd7/0x132 [ 4036.752635] [] ? arch_local_irq_restore+0x1b/0x1b [ 4036.815993] [] ubsan_epilogue+0x12/0x53 [ 4036.847313] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4036.894318] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4036.933945] [] fib_sync_up+0xa4/0x4e6 [ 4036.964342] [] ? fib_add_ifaddr+0x3c0/0x3cf [ 4037.003240] [] fib_inetaddr_event+0xcc/0x1bb [ 4037.031616] [] notifier_call_chain+0xd2/0x184 [ 4037.070999] [] __blocking_notifier_call_chain+0x7c/0xa1 [ 4037.115089] [] blocking_notifier_call_chain+0x35/0x37 [ 4037.153715] [] __inet_insert_ifa+0x703/0x74b [ 4037.186918] [] ? inet_netconf_dump_devconf+0x7ad/0x7ad [ 4037.224224] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4037.269388] [] ? inet_alloc_ifa+0x30/0x32 [ 4037.299065] [] inet_insert_ifa+0x20/0x22 [ 4037.332520] [] inetdev_event+0x56d/0xbef [ 4037.364273] [] ? inetdev_init+0x369/0x369 [ 4037.398215] [] ? netprio_device_event+0x118/0x14e [ 4037.436577] [] ? update_netprio+0x1e1/0x1e1 [ 4037.464592] [] notifier_call_chain+0xd2/0x184 [ 4037.505069] [] ? notifier_call_chain+0xd2/0x184 [ 4037.541264] [] raw_notifier_call_chain+0x35/0x37 [ 4037.579476] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4037.621162] [] call_netdevice_notifiers+0x75/0x97 [ 4037.666556] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4037.704510] [] __dev_notify_flags+0x12b/0x1c3 [ 4037.746137] [] ? dev_change_name+0x519/0x519 [ 4037.780223] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4037.816921] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4037.860676] [] dev_change_flags+0xfb/0x10f [ 4037.896887] [] do_setlink+0xb05/0x2647 [ 4037.931267] [] ? univ8250_console_setup+0x15a/0x15a [ 4037.968003] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4038.000119] [] ? console_unlock+0x6a9/0x6b8 [ 4038.037003] [] ? vprintk_emit+0x636/0x647 [ 4038.074747] [] ? vprintk_default+0x65/0x6e [ 4038.106973] [] ? ubsan_epilogue+0x26/0x53 [ 4038.140210] [] ? arch_local_irq_restore+0x6/0xd [ 4038.182767] [] ? validate_linkmsg+0x462/0x4a0 [ 4038.212757] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4038.244610] [] rtnl_newlink+0x98a/0x1165 [ 4038.281732] [] ? rtnl_newlink+0x4db/0x1165 [ 4038.319976] [] ? rtnl_newlink+0x457/0x1165 [ 4038.358579] [] ? rtnl_link_unregister+0x20d/0x20d [ 4038.403532] [] ? save_stack+0xc4/0xce [ 4038.436333] [] ? save_stack_trace+0x31/0xf1 [ 4038.472401] [] ? save_stack+0x46/0xce [ 4038.508804] [] ? security_capable+0xaa/0xb9 [ 4038.551592] [] ? ns_capable_common+0x149/0x153 [ 4038.588777] [] ? __netlink_ns_capable+0xf3/0xff [ 4038.631394] [] ? rtnl_link_unregister+0x20d/0x20d [ 4038.672473] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4038.704781] [] ? rtnl_newlink+0x1165/0x1165 [ 4038.740308] [] ? mutex_set_owner+0x8e/0xc6 [ 4038.770811] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4038.813543] [] ? rtnl_newlink+0x1165/0x1165 [ 4038.850344] [] netlink_rcv_skb+0x173/0x25b [ 4038.884846] [] rtnetlink_rcv+0x28/0x2f [ 4038.923283] [] netlink_unicast+0x3fc/0x503 [ 4038.956038] [] ? netlink_sendskb+0x35/0x35 [ 4038.995256] [] netlink_sendmsg+0x860/0x877 [ 4039.034976] [] ? netlink_unicast+0x503/0x503 [ 4039.071631] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4039.108801] [] ? netlink_unicast+0x503/0x503 [ 4039.142972] [] sock_sendmsg+0xe9/0x116 [ 4039.177951] [] ? ___sys_sendmsg+0x40c/0x789 [ 4039.218516] [] ___sys_sendmsg+0x5de/0x789 [ 4039.255678] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4039.291945] [] ? vm_normal_page+0x1aa/0x1aa [ 4039.322600] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4039.360943] [] ? compound_head+0x4e/0x56 [ 4039.393572] [] ? handle_mm_fault+0x1e11/0x2102 [ 4039.432047] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4039.469463] [] ? __fget_light+0xe6/0xf0 [ 4039.508978] [] __sys_sendmsg+0xdd/0x167 [ 4039.542368] [] ? __sys_sendmsg+0xdd/0x167 [ 4039.580970] [] ? SyS_shutdown+0x29/0x29 [ 4039.612348] [] SyS_sendmsg+0x3a/0x4f [ 4039.645638] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4039.686817] ================================================================================ [ 4039.744329] ================================================================================ [ 4039.792175] UBSAN: Undefined behaviour in net/ipv4/arp.c:190:13 [ 4039.827264] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4039.891121] which requires 64 byte alignment [ 4039.913067] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4039.962175] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4040.019969] 00000000ffffffff 00000000f797e7aa ffff88005a45eb68 ffffffffb26ec5cc [ 4040.072379] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4040.113323] ffffffff00000010 ffff88005a45eb90 ffff88005a45eb40 ffffffffb363c3e0 [ 4040.160117] Call Trace: [ 4040.173131] [] dump_stack+0xd7/0x132 [ 4040.207661] [] ? arch_local_irq_restore+0x1b/0x1b [ 4040.242465] [] ubsan_epilogue+0x12/0x53 [ 4040.274504] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4040.315469] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4040.361173] [] ? ip_mc_inc_group+0x2a0/0xac9 [ 4040.400643] [] arp_mc_map+0x3f/0x65e [ 4040.425747] [] igmp_group_added+0x1ca/0x674 [ 4040.479645] [] ? kasan_unpoison_shadow+0x14/0x35 [ 4040.520211] [] ? igmp_start_timer+0xb5/0xb5 [ 4040.559616] [] ? memset+0x31/0x38 [ 4040.590785] [] ip_mc_inc_group+0x9d7/0xac9 [ 4040.626416] [] ? ip_mc_add_src+0x97d/0x97d [ 4040.665069] [] ? __inet_insert_ifa+0x70a/0x74b [ 4040.697231] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4040.744075] [] ? inet_alloc_ifa+0x30/0x32 [ 4040.775489] [] ip_mc_up+0xfd/0x16c [ 4040.804644] [] inetdev_event+0x57a/0xbef [ 4040.830629] [] ? inetdev_init+0x369/0x369 [ 4040.861427] [] ? netprio_device_event+0x118/0x14e [ 4040.905483] [] ? update_netprio+0x1e1/0x1e1 [ 4040.941994] [] notifier_call_chain+0xd2/0x184 [ 4040.975730] [] ? notifier_call_chain+0xd2/0x184 [ 4041.018320] [] raw_notifier_call_chain+0x35/0x37 [ 4041.056195] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4041.097141] [] call_netdevice_notifiers+0x75/0x97 [ 4041.133165] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4041.179066] [] __dev_notify_flags+0x12b/0x1c3 [ 4041.210346] [] ? dev_change_name+0x519/0x519 [ 4041.251233] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4041.283535] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4041.333925] [] dev_change_flags+0xfb/0x10f [ 4041.365758] [] do_setlink+0xb05/0x2647 [ 4041.396608] [] ? univ8250_console_setup+0x15a/0x15a [ 4041.432130] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4041.475365] [] ? console_unlock+0x6a9/0x6b8 [ 4041.508019] [] ? vprintk_emit+0x636/0x647 [ 4041.546790] [] ? vprintk_default+0x65/0x6e [ 4041.586028] [] ? ubsan_epilogue+0x26/0x53 [ 4041.622374] [] ? arch_local_irq_restore+0x6/0xd [ 4041.656556] [] ? validate_linkmsg+0x462/0x4a0 [ 4041.694710] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4041.724730] [] rtnl_newlink+0x98a/0x1165 [ 4041.755852] [] ? rtnl_newlink+0x4db/0x1165 [ 4041.795340] [] ? rtnl_newlink+0x457/0x1165 [ 4041.828549] [] ? rtnl_link_unregister+0x20d/0x20d [ 4041.872103] [] ? save_stack+0xc4/0xce [ 4041.912426] [] ? save_stack_trace+0x31/0xf1 [ 4041.995315] [] ? save_stack+0x46/0xce [ 4042.059013] [] ? security_capable+0xaa/0xb9 [ 4042.121080] [] ? ns_capable_common+0x149/0x153 [ 4042.196074] [] ? __netlink_ns_capable+0xf3/0xff [ 4042.234655] [] ? rtnl_link_unregister+0x20d/0x20d [ 4042.276463] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4042.322284] [] ? rtnl_newlink+0x1165/0x1165 [ 4042.364293] [] ? mutex_set_owner+0x8e/0xc6 [ 4042.404976] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4042.446925] [] ? rtnl_newlink+0x1165/0x1165 [ 4042.484148] [] netlink_rcv_skb+0x173/0x25b [ 4042.530615] [] rtnetlink_rcv+0x28/0x2f [ 4042.563716] [] netlink_unicast+0x3fc/0x503 [ 4042.610266] [] ? netlink_sendskb+0x35/0x35 [ 4042.652874] [] netlink_sendmsg+0x860/0x877 [ 4042.703129] [] ? netlink_unicast+0x503/0x503 [ 4042.750792] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4042.800130] [] ? netlink_unicast+0x503/0x503 [ 4042.848068] [] sock_sendmsg+0xe9/0x116 [ 4042.893175] [] ? ___sys_sendmsg+0x40c/0x789 [ 4042.927010] [] ___sys_sendmsg+0x5de/0x789 [ 4042.963666] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4042.999479] [] ? vm_normal_page+0x1aa/0x1aa [ 4043.038222] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4043.087325] [] ? compound_head+0x4e/0x56 [ 4043.124237] [] ? handle_mm_fault+0x1e11/0x2102 [ 4043.159299] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4043.209430] [] ? __fget_light+0xe6/0xf0 [ 4043.244748] [] __sys_sendmsg+0xdd/0x167 [ 4043.277158] [] ? __sys_sendmsg+0xdd/0x167 [ 4043.321276] [] ? SyS_shutdown+0x29/0x29 [ 4043.363126] [] SyS_sendmsg+0x3a/0x4f [ 4043.395109] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4043.446222] ================================================================================ [ 4043.515778] ================================================================================ [ 4043.572520] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:3342:10 [ 4043.613790] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4043.676138] which requires 64 byte alignment [ 4043.712848] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4043.761087] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4043.819650] 00000000ffffffff 00000000f797e7aa ffff88005a45edd8 ffffffffb26ec5cc [ 4043.875795] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4043.921668] ffffffff00000010 ffff88005a45ee00 ffff88005a45edb0 ffffffffb363c3e0 [ 4043.975680] Call Trace: [ 4043.991390] [] dump_stack+0xd7/0x132 [ 4044.024638] [] ? arch_local_irq_restore+0x1b/0x1b [ 4044.069478] [] ubsan_epilogue+0x12/0x53 [ 4044.110817] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4044.157660] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4044.203781] [] addrconf_notify+0x2fc/0x166a [ 4044.247478] [] ? ip6mr_device_event+0x249/0x287 [ 4044.297686] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4044.326019] [] ? mif6_delete+0x482/0x482 [ 4044.362299] [] notifier_call_chain+0xd2/0x184 [ 4044.396983] [] ? notifier_call_chain+0xd2/0x184 [ 4044.435226] [] raw_notifier_call_chain+0x35/0x37 [ 4044.483164] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4044.526526] [] call_netdevice_notifiers+0x75/0x97 [ 4044.566347] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4044.613922] [] __dev_notify_flags+0x12b/0x1c3 [ 4044.647195] [] ? dev_change_name+0x519/0x519 [ 4044.685724] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4044.732630] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4044.776118] [] dev_change_flags+0xfb/0x10f [ 4044.813736] [] do_setlink+0xb05/0x2647 [ 4044.844531] [] ? univ8250_console_setup+0x15a/0x15a [ 4044.881744] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4044.929109] [] ? console_unlock+0x6a9/0x6b8 [ 4044.958866] [] ? vprintk_emit+0x636/0x647 [ 4044.995964] [] ? vprintk_default+0x65/0x6e [ 4045.044005] [] ? ubsan_epilogue+0x26/0x53 [ 4045.091840] [] ? arch_local_irq_restore+0x6/0xd [ 4045.147698] [] ? validate_linkmsg+0x462/0x4a0 [ 4045.206141] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4045.250621] [] rtnl_newlink+0x98a/0x1165 [ 4045.295444] [] ? rtnl_newlink+0x4db/0x1165 [ 4045.364242] [] ? rtnl_newlink+0x457/0x1165 [ 4045.406169] [] ? rtnl_link_unregister+0x20d/0x20d [ 4045.448572] [] ? save_stack+0xc4/0xce [ 4045.493978] [] ? save_stack_trace+0x31/0xf1 [ 4045.532696] [] ? save_stack+0x46/0xce [ 4045.582495] [] ? security_capable+0xaa/0xb9 [ 4045.623347] [] ? ns_capable_common+0x149/0x153 [ 4045.660582] [] ? __netlink_ns_capable+0xf3/0xff [ 4045.720759] [] ? rtnl_link_unregister+0x20d/0x20d [ 4045.764241] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4045.930519] [] ? rtnl_newlink+0x1165/0x1165 [ 4045.965656] [] ? mutex_set_owner+0x8e/0xc6 [ 4045.999391] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4046.052883] [] ? rtnl_newlink+0x1165/0x1165 [ 4046.102269] [] netlink_rcv_skb+0x173/0x25b [ 4046.143305] [] rtnetlink_rcv+0x28/0x2f [ 4046.176744] [] netlink_unicast+0x3fc/0x503 [ 4046.216443] [] ? netlink_sendskb+0x35/0x35 [ 4046.257466] [] netlink_sendmsg+0x860/0x877 [ 4046.293536] [] ? netlink_unicast+0x503/0x503 [ 4046.335042] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4046.380958] [] ? netlink_unicast+0x503/0x503 [ 4046.422319] [] sock_sendmsg+0xe9/0x116 [ 4046.454855] [] ? ___sys_sendmsg+0x40c/0x789 [ 4046.491770] [] ___sys_sendmsg+0x5de/0x789 [ 4046.523812] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4046.570888] [] ? vm_normal_page+0x1aa/0x1aa [ 4046.614654] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4046.663361] [] ? compound_head+0x4e/0x56 [ 4046.692940] [] ? handle_mm_fault+0x1e11/0x2102 [ 4046.736730] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4046.777436] [] ? __fget_light+0xe6/0xf0 [ 4046.815115] [] __sys_sendmsg+0xdd/0x167 [ 4046.848978] [] ? __sys_sendmsg+0xdd/0x167 [ 4046.890759] [] ? SyS_shutdown+0x29/0x29 [ 4046.928928] [] SyS_sendmsg+0x3a/0x4f [ 4046.972598] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4047.027708] ================================================================================ [ 4047.097540] ================================================================================ [ 4047.162879] UBSAN: Undefined behaviour in ./include/net/sch_generic.h:470:21 [ 4047.214768] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 4047.271682] which requires 64 byte alignment [ 4047.303538] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4047.362889] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4047.440203] 00000000ffffffff 00000000f797e7aa ffff88005a45eda0 ffffffffb26ec5cc [ 4047.499831] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4047.555400] ffff880000000010 ffff88005a45edc8 ffff88005a45ed78 ffffffffb363c3e0 [ 4047.617048] Call Trace: [ 4047.635991] [] dump_stack+0xd7/0x132 [ 4047.675423] [] ? arch_local_irq_restore+0x1b/0x1b [ 4047.748628] [] ubsan_epilogue+0x12/0x53 [ 4047.788785] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4047.837314] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4047.896681] [] ? __local_bh_enable_ip+0x40/0xb3 [ 4047.940987] [] ? _raw_write_unlock_bh+0x8e/0xbd [ 4048.005753] [] addrconf_qdisc_ok+0x38/0xe3 [ 4048.069280] [] addrconf_notify+0x68b/0x166a [ 4048.104803] [] ? ip6mr_device_event+0x249/0x287 [ 4048.144592] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4048.190753] [] ? mif6_delete+0x482/0x482 [ 4048.225244] [] notifier_call_chain+0xd2/0x184 [ 4048.266022] [] ? notifier_call_chain+0xd2/0x184 [ 4048.309914] [] raw_notifier_call_chain+0x35/0x37 [ 4048.359870] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4048.410911] [] call_netdevice_notifiers+0x75/0x97 [ 4048.457402] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4048.526157] [] __dev_notify_flags+0x12b/0x1c3 [ 4048.610686] [] ? dev_change_name+0x519/0x519 [ 4048.657445] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4048.717084] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4048.795016] [] dev_change_flags+0xfb/0x10f [ 4048.840797] [] do_setlink+0xb05/0x2647 [ 4048.884786] [] ? univ8250_console_setup+0x15a/0x15a [ 4048.951450] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4049.054978] [] ? console_unlock+0x6a9/0x6b8 [ 4049.099550] [] ? vprintk_emit+0x636/0x647 [ 4049.139626] [] ? vprintk_default+0x65/0x6e [ 4049.184303] [] ? ubsan_epilogue+0x26/0x53 [ 4049.221966] [] ? arch_local_irq_restore+0x6/0xd [ 4049.260265] [] ? validate_linkmsg+0x462/0x4a0 [ 4049.303232] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4049.335878] [] rtnl_newlink+0x98a/0x1165 [ 4049.375117] [] ? rtnl_newlink+0x4db/0x1165 [ 4049.407716] [] ? rtnl_newlink+0x457/0x1165 [ 4049.450282] [] ? rtnl_link_unregister+0x20d/0x20d [ 4049.495624] [] ? save_stack+0xc4/0xce [ 4049.529377] [] ? save_stack_trace+0x31/0xf1 [ 4049.568973] [] ? save_stack+0x46/0xce [ 4049.607743] [] ? security_capable+0xaa/0xb9 [ 4049.651815] [] ? ns_capable_common+0x149/0x153 [ 4049.702156] [] ? __netlink_ns_capable+0xf3/0xff [ 4049.759297] [] ? rtnl_link_unregister+0x20d/0x20d [ 4049.816726] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4049.864493] [] ? rtnl_newlink+0x1165/0x1165 [ 4049.932266] [] ? mutex_set_owner+0x8e/0xc6 [ 4049.988956] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4050.066984] [] ? rtnl_newlink+0x1165/0x1165 [ 4050.115821] [] netlink_rcv_skb+0x173/0x25b [ 4050.159767] [] rtnetlink_rcv+0x28/0x2f [ 4050.194988] [] netlink_unicast+0x3fc/0x503 [ 4050.234746] [] ? netlink_sendskb+0x35/0x35 [ 4050.272043] [] netlink_sendmsg+0x860/0x877 [ 4050.315640] [] ? netlink_unicast+0x503/0x503 [ 4050.354972] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4050.395426] [] ? netlink_unicast+0x503/0x503 [ 4050.434732] [] sock_sendmsg+0xe9/0x116 [ 4050.461657] [] ? ___sys_sendmsg+0x40c/0x789 [ 4050.501340] [] ___sys_sendmsg+0x5de/0x789 [ 4050.537438] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4050.590759] [] ? vm_normal_page+0x1aa/0x1aa [ 4050.635365] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4050.683014] [] ? compound_head+0x4e/0x56 [ 4050.724282] [] ? handle_mm_fault+0x1e11/0x2102 [ 4050.819480] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4050.896117] [] ? __fget_light+0xe6/0xf0 [ 4050.941203] [] __sys_sendmsg+0xdd/0x167 [ 4050.992338] [] ? __sys_sendmsg+0xdd/0x167 [ 4051.043801] [] ? SyS_shutdown+0x29/0x29 [ 4051.102158] [] SyS_sendmsg+0x3a/0x4f [ 4051.170832] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4051.258055] ================================================================================ [ 4051.354630] ================================================================================ [ 4051.436138] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:1949:13 [ 4051.492571] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 4051.563080] which requires 64 byte alignment [ 4051.592288] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4051.666371] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4051.767596] 00000000ffffffff 00000000f797e7aa ffff88005a45eda0 ffffffffb26ec5cc [ 4051.821512] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4051.903476] ffff880000000010 ffff88005a45edc8 ffff88005a45ed78 ffffffffb363c3e0 [ 4051.944782] Call Trace: [ 4051.966829] [] dump_stack+0xd7/0x132 [ 4052.002685] [] ? arch_local_irq_restore+0x1b/0x1b [ 4052.041589] [] ubsan_epilogue+0x12/0x53 [ 4052.083279] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4052.127467] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4052.164403] [] ? __local_bh_enable_ip+0x40/0xb3 [ 4052.209432] [] ? _raw_write_unlock_bh+0x8e/0xbd [ 4052.252003] [] addrconf_qdisc_ok+0x6b/0xe3 [ 4052.282545] [] addrconf_notify+0x68b/0x166a [ 4052.324429] [] ? ip6mr_device_event+0x249/0x287 [ 4052.372973] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4052.453433] [] ? mif6_delete+0x482/0x482 [ 4052.494652] [] notifier_call_chain+0xd2/0x184 [ 4052.535049] [] ? notifier_call_chain+0xd2/0x184 [ 4052.570337] [] raw_notifier_call_chain+0x35/0x37 [ 4052.606865] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4052.652071] [] call_netdevice_notifiers+0x75/0x97 [ 4052.704022] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4052.760699] [] __dev_notify_flags+0x12b/0x1c3 [ 4052.797054] [] ? dev_change_name+0x519/0x519 [ 4052.841096] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4052.895578] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4052.955160] [] dev_change_flags+0xfb/0x10f [ 4053.007095] [] do_setlink+0xb05/0x2647 [ 4053.062195] [] ? univ8250_console_setup+0x15a/0x15a [ 4053.103191] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4053.156946] [] ? console_unlock+0x6a9/0x6b8 [ 4053.210918] [] ? vprintk_emit+0x636/0x647 [ 4053.291717] [] ? vprintk_default+0x65/0x6e [ 4053.374830] [] ? ubsan_epilogue+0x26/0x53 [ 4053.412296] [] ? arch_local_irq_restore+0x6/0xd [ 4053.447540] [] ? validate_linkmsg+0x462/0x4a0 [ 4053.492846] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4053.534672] [] rtnl_newlink+0x98a/0x1165 [ 4053.563822] [] ? rtnl_newlink+0x4db/0x1165 [ 4053.613327] [] ? rtnl_newlink+0x457/0x1165 [ 4053.642081] [] ? rtnl_link_unregister+0x20d/0x20d [ 4053.684498] [] ? save_stack+0xc4/0xce [ 4053.720651] [] ? save_stack_trace+0x31/0xf1 [ 4053.766504] [] ? save_stack+0x46/0xce [ 4053.804729] [] ? security_capable+0xaa/0xb9 [ 4053.854221] [] ? ns_capable_common+0x149/0x153 [ 4053.905780] [] ? __netlink_ns_capable+0xf3/0xff [ 4053.956337] [] ? rtnl_link_unregister+0x20d/0x20d [ 4054.031930] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4054.074810] [] ? rtnl_newlink+0x1165/0x1165 [ 4054.118748] [] ? mutex_set_owner+0x8e/0xc6 [ 4054.161195] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4054.202637] [] ? rtnl_newlink+0x1165/0x1165 [ 4054.243304] [] netlink_rcv_skb+0x173/0x25b [ 4054.286061] [] rtnetlink_rcv+0x28/0x2f [ 4054.315038] [] netlink_unicast+0x3fc/0x503 [ 4054.354002] [] ? netlink_sendskb+0x35/0x35 [ 4054.394984] [] netlink_sendmsg+0x860/0x877 [ 4054.426828] [] ? netlink_unicast+0x503/0x503 [ 4054.480805] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4054.527247] [] ? netlink_unicast+0x503/0x503 [ 4054.593728] [] sock_sendmsg+0xe9/0x116 [ 4054.670904] [] ? ___sys_sendmsg+0x40c/0x789 [ 4054.733881] [] ___sys_sendmsg+0x5de/0x789 [ 4054.774302] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4054.825530] [] ? vm_normal_page+0x1aa/0x1aa [ 4054.863429] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4054.905570] [] ? compound_head+0x4e/0x56 [ 4054.936107] [] ? handle_mm_fault+0x1e11/0x2102 [ 4054.983489] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4055.022528] [] ? __fget_light+0xe6/0xf0 [ 4055.055939] [] __sys_sendmsg+0xdd/0x167 [ 4055.092543] [] ? __sys_sendmsg+0xdd/0x167 [ 4055.139578] [] ? SyS_shutdown+0x29/0x29 [ 4055.168835] [] SyS_sendmsg+0x3a/0x4f [ 4055.203544] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4055.241606] ================================================================================ [ 4055.291135] ================================================================================ [ 4055.343057] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:3357:2 [ 4055.389432] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4055.443090] which requires 64 byte alignment [ 4055.464371] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G L 4.8.11 #1 [ 4055.505615] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4055.569759] 00000000ffffffff e5344f8b99d4199e ffff88005d507cb8 ffffffffb26ec5cc [ 4055.620792] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4055.676633] ffff880000000010 ffff88005d507ce0 ffff88005d507c90 ffffffffb363c3e0 [ 4055.727106] Call Trace: [ 4055.744622] [] dump_stack+0xd7/0x132 [ 4055.782510] [] ? arch_local_irq_restore+0x1b/0x1b [ 4055.825089] [] ubsan_epilogue+0x12/0x53 [ 4055.864289] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4055.907525] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4055.961625] [] ? get_sd_balance_interval+0x6c/0x8d [ 4056.009646] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 4056.061145] [] ? queued_spin_unlock.constprop.10+0x19/0x19 [ 4056.110867] [] free_fib_info_rcu+0xeb/0x456 [ 4056.146186] [] ? queued_spin_unlock.constprop.10+0x19/0x19 [ 4056.197168] [] rcu_process_callbacks+0xdf4/0x12b0 [ 4056.243420] [] ? note_gp_changes+0x244/0x244 [ 4056.290300] [] ? native_apic_msr_write+0x29/0x2b [ 4056.327292] [] ? apic_write+0x53/0x5a [ 4056.360604] [] __do_softirq+0x211/0x59e [ 4056.390936] [] irq_exit+0x65/0xd6 [ 4056.435093] [] smp_apic_timer_interrupt+0x33/0x3e [ 4056.465444] [] apic_timer_interrupt+0x82/0x90 [ 4056.497324] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 4056.550442] [] ? native_safe_halt+0x6/0x8 [ 4056.589507] [] default_idle+0x1f/0x32 [ 4056.624387] [] arch_cpu_idle+0xf/0x11 [ 4056.658072] [] default_idle_call+0x1e/0x20 [ 4056.701635] [] cpu_startup_entry+0x20f/0x384 [ 4056.740779] [] ? default_idle_call+0x20/0x20 [ 4056.780539] [] ? clockevents_register_device+0x1af/0x1b8 [ 4056.827521] [] start_secondary+0x27d/0x2d7 [ 4056.863196] [] ? set_cpu_sibling_map+0x114f/0x114f [ 4056.906466] ================================================================================ [ 4056.956234] ================================================================================ [ 4056.983475] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:3385:14 [ 4057.006481] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4057.031416] which requires 64 byte alignment [ 4057.043570] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4057.063604] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4057.091815] 00000000ffffffff 00000000f797e7aa ffff88005a45edd8 ffffffffb26ec5cc [ 4057.113279] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4057.134931] ffff880000000010 ffff88005a45ee00 ffff88005a45edb0 ffffffffb363c3e0 [ 4057.157905] Call Trace: [ 4057.165386] [] dump_stack+0xd7/0x132 [ 4057.183020] [] ? arch_local_irq_restore+0x1b/0x1b [ 4057.202960] [] ubsan_epilogue+0x12/0x53 [ 4057.219476] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4057.239141] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4057.261879] [] addrconf_notify+0x861/0x166a [ 4057.277137] [] ? ip6mr_device_event+0x249/0x287 [ 4057.298394] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4057.315864] [] ? mif6_delete+0x482/0x482 [ 4057.332427] [] notifier_call_chain+0xd2/0x184 [ 4057.351521] [] ? notifier_call_chain+0xd2/0x184 [ 4057.372360] [] raw_notifier_call_chain+0x35/0x37 [ 4057.391852] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4057.413300] [] call_netdevice_notifiers+0x75/0x97 [ 4057.436462] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4057.458074] [] __dev_notify_flags+0x12b/0x1c3 [ 4057.476566] [] ? dev_change_name+0x519/0x519 [ 4057.494382] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4057.511225] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4057.533029] [] dev_change_flags+0xfb/0x10f [ 4057.549445] [] do_setlink+0xb05/0x2647 [ 4057.564992] [] ? univ8250_console_setup+0x15a/0x15a [ 4057.584396] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4057.603526] [] ? console_unlock+0x6a9/0x6b8 [ 4057.620849] [] ? vprintk_emit+0x636/0x647 [ 4057.637757] [] ? vprintk_default+0x65/0x6e [ 4057.659232] [] ? ubsan_epilogue+0x26/0x53 [ 4057.674802] [] ? arch_local_irq_restore+0x6/0xd [ 4057.694690] [] ? validate_linkmsg+0x462/0x4a0 [ 4057.713238] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4057.728260] [] rtnl_newlink+0x98a/0x1165 [ 4057.746662] [] ? rtnl_newlink+0x4db/0x1165 [ 4057.764123] [] ? rtnl_newlink+0x457/0x1165 [ 4057.782203] [] ? rtnl_link_unregister+0x20d/0x20d [ 4057.802279] [] ? save_stack+0xc4/0xce [ 4057.819007] [] ? save_stack_trace+0x31/0xf1 [ 4057.835451] [] ? save_stack+0x46/0xce [ 4057.854099] [] ? security_capable+0xaa/0xb9 [ 4057.870588] [] ? ns_capable_common+0x149/0x153 [ 4057.889410] [] ? __netlink_ns_capable+0xf3/0xff [ 4057.911292] [] ? rtnl_link_unregister+0x20d/0x20d [ 4057.928909] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4057.946610] [] ? rtnl_newlink+0x1165/0x1165 [ 4057.963845] [] ? mutex_set_owner+0x8e/0xc6 [ 4057.984465] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4058.006205] [] ? rtnl_newlink+0x1165/0x1165 [ 4058.022907] [] netlink_rcv_skb+0x173/0x25b [ 4058.042084] [] rtnetlink_rcv+0x28/0x2f [ 4058.060198] [] netlink_unicast+0x3fc/0x503 [ 4058.077432] [] ? netlink_sendskb+0x35/0x35 [ 4058.093481] [] netlink_sendmsg+0x860/0x877 [ 4058.111153] [] ? netlink_unicast+0x503/0x503 [ 4058.130046] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4058.148899] [] ? netlink_unicast+0x503/0x503 [ 4058.165806] [] sock_sendmsg+0xe9/0x116 [ 4058.181732] [] ? ___sys_sendmsg+0x40c/0x789 [ 4058.201426] [] ___sys_sendmsg+0x5de/0x789 [ 4058.218959] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4058.237615] [] ? vm_normal_page+0x1aa/0x1aa [ 4058.254279] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4058.277768] [] ? compound_head+0x4e/0x56 [ 4058.295114] [] ? handle_mm_fault+0x1e11/0x2102 [ 4058.314265] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4058.332463] [] ? __fget_light+0xe6/0xf0 [ 4058.347044] [] __sys_sendmsg+0xdd/0x167 [ 4058.366807] [] ? __sys_sendmsg+0xdd/0x167 [ 4058.386705] [] ? SyS_shutdown+0x29/0x29 [ 4058.403225] [] SyS_sendmsg+0x3a/0x4f [ 4058.418997] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4058.438154] ================================================================================ [ 4058.462879] ================================================================================ [ 4058.490491] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:466:9 [ 4058.508197] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4058.533486] which requires 64 byte alignment [ 4058.545217] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4058.622801] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4058.649262] 00000000ffffffff 00000000f797e7aa ffff88005a45edb8 ffffffffb26ec5cc [ 4058.675085] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4058.768261] ffff880000000010 ffff88005a45ede0 ffff88005a45ed90 ffffffffb363c3e0 [ 4058.788889] Call Trace: [ 4058.795704] [] dump_stack+0xd7/0x132 [ 4058.814548] [] ? arch_local_irq_restore+0x1b/0x1b [ 4058.835119] [] ubsan_epilogue+0x12/0x53 [ 4058.848492] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4058.869291] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4058.888837] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4058.909333] [] ipv6_find_idev+0xaf/0xde [ 4058.923313] [] addrconf_notify+0x8bd/0x166a [ 4058.942236] [] ? ip6mr_device_event+0x249/0x287 [ 4058.961618] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4058.982607] [] ? mif6_delete+0x482/0x482 [ 4059.002143] [] notifier_call_chain+0xd2/0x184 [ 4059.020705] [] ? notifier_call_chain+0xd2/0x184 [ 4059.040822] [] raw_notifier_call_chain+0x35/0x37 [ 4059.058752] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4059.078866] [] call_netdevice_notifiers+0x75/0x97 [ 4059.099358] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4059.123228] [] __dev_notify_flags+0x12b/0x1c3 [ 4059.141060] [] ? dev_change_name+0x519/0x519 [ 4059.163782] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4059.184465] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4059.204844] [] dev_change_flags+0xfb/0x10f [ 4059.222806] [] do_setlink+0xb05/0x2647 [ 4059.236778] [] ? univ8250_console_setup+0x15a/0x15a [ 4059.254983] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4059.275092] [] ? console_unlock+0x6a9/0x6b8 [ 4059.291198] [] ? vprintk_emit+0x636/0x647 [ 4059.307830] [] ? vprintk_default+0x65/0x6e [ 4059.325336] [] ? ubsan_epilogue+0x26/0x53 [ 4059.340923] [] ? arch_local_irq_restore+0x6/0xd [ 4059.360074] [] ? validate_linkmsg+0x462/0x4a0 [ 4059.377334] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4059.396559] [] rtnl_newlink+0x98a/0x1165 [ 4059.414866] [] ? rtnl_newlink+0x4db/0x1165 [ 4059.431012] [] ? rtnl_newlink+0x457/0x1165 [ 4059.445715] [] ? rtnl_link_unregister+0x20d/0x20d [ 4059.464171] [] ? save_stack+0xc4/0xce [ 4059.479464] [] ? save_stack_trace+0x31/0xf1 [ 4059.496898] [] ? save_stack+0x46/0xce [ 4059.514359] [] ? security_capable+0xaa/0xb9 [ 4059.528269] [] ? ns_capable_common+0x149/0x153 [ 4059.546206] [] ? __netlink_ns_capable+0xf3/0xff [ 4059.564431] [] ? rtnl_link_unregister+0x20d/0x20d [ 4059.584049] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4059.603216] [] ? rtnl_newlink+0x1165/0x1165 [ 4059.621406] [] ? mutex_set_owner+0x8e/0xc6 [ 4059.642163] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4059.661335] [] ? rtnl_newlink+0x1165/0x1165 [ 4059.675982] [] netlink_rcv_skb+0x173/0x25b [ 4059.692777] [] rtnetlink_rcv+0x28/0x2f [ 4059.708097] [] netlink_unicast+0x3fc/0x503 [ 4059.725293] [] ? netlink_sendskb+0x35/0x35 [ 4059.741439] [] netlink_sendmsg+0x860/0x877 [ 4059.759501] [] ? netlink_unicast+0x503/0x503 [ 4059.778221] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4059.795334] [] ? netlink_unicast+0x503/0x503 [ 4059.813139] [] sock_sendmsg+0xe9/0x116 [ 4059.825172] [] ? ___sys_sendmsg+0x40c/0x789 [ 4059.840882] [] ___sys_sendmsg+0x5de/0x789 [ 4059.859117] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4059.878811] [] ? vm_normal_page+0x1aa/0x1aa [ 4059.893550] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4059.914158] [] ? compound_head+0x4e/0x56 [ 4059.929487] [] ? handle_mm_fault+0x1e11/0x2102 [ 4059.944783] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4059.966876] [] ? __fget_light+0xe6/0xf0 [ 4059.982718] [] __sys_sendmsg+0xdd/0x167 [ 4059.996285] [] ? __sys_sendmsg+0xdd/0x167 [ 4060.017643] [] ? SyS_shutdown+0x29/0x29 [ 4060.035369] [] SyS_sendmsg+0x3a/0x4f [ 4060.047959] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4060.069658] ================================================================================ [ 4060.092387] ================================================================================ [ 4060.120346] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:925:18 [ 4060.136978] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4060.162861] which requires 64 byte alignment [ 4060.176976] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4060.195161] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4060.222494] 00000000ffffffff 00000000f797e7aa ffff88005a45eca8 ffffffffb26ec5cc [ 4060.242674] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4060.263842] 0100000000000010 ffff88005a45ecd0 ffff88005a45ec80 ffffffffb363c3e0 [ 4060.284052] Call Trace: [ 4060.291798] [] dump_stack+0xd7/0x132 [ 4060.306228] [] ? arch_local_irq_restore+0x1b/0x1b [ 4060.325024] [] ubsan_epilogue+0x12/0x53 [ 4060.341406] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4060.361765] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4060.383446] [] ipv6_add_addr+0x127/0xcd1 [ 4060.400844] [] ? igmp6_group_added+0x563/0x5a7 [ 4060.418188] [] ? inet6_dump_ifinfo+0x39e/0x39e [ 4060.435667] [] ? mld_in_v1_mode+0x346/0x354 [ 4060.450704] [] ? __local_bh_enable_ip+0x40/0xb3 [ 4060.468397] [] ? _raw_read_unlock_bh+0x1c/0x1e [ 4060.489498] [] addrconf_notify+0x904/0x166a [ 4060.503994] [] ? ip6mr_device_event+0x249/0x287 [ 4060.522910] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4060.541045] [] ? mif6_delete+0x482/0x482 [ 4060.558699] [] notifier_call_chain+0xd2/0x184 [ 4060.574306] [] ? notifier_call_chain+0xd2/0x184 [ 4060.596828] [] raw_notifier_call_chain+0x35/0x37 [ 4060.616377] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4060.636629] [] call_netdevice_notifiers+0x75/0x97 [ 4060.655793] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4060.675291] [] __dev_notify_flags+0x12b/0x1c3 [ 4060.692106] [] ? dev_change_name+0x519/0x519 [ 4060.712710] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4060.730262] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4060.748684] [] dev_change_flags+0xfb/0x10f [ 4060.766635] [] do_setlink+0xb05/0x2647 [ 4060.783019] [] ? univ8250_console_setup+0x15a/0x15a [ 4060.804699] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4060.823372] [] ? console_unlock+0x6a9/0x6b8 [ 4060.839689] [] ? vprintk_emit+0x636/0x647 [ 4060.856535] [] ? vprintk_default+0x65/0x6e [ 4060.870424] [] ? ubsan_epilogue+0x26/0x53 [ 4060.889147] [] ? arch_local_irq_restore+0x6/0xd [ 4060.906455] [] ? validate_linkmsg+0x462/0x4a0 [ 4060.922354] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4060.938252] [] rtnl_newlink+0x98a/0x1165 [ 4060.954311] [] ? rtnl_newlink+0x4db/0x1165 [ 4060.970453] [] ? rtnl_newlink+0x457/0x1165 [ 4060.986440] [] ? rtnl_link_unregister+0x20d/0x20d [ 4061.003393] [] ? save_stack+0xc4/0xce [ 4061.019240] [] ? save_stack_trace+0x31/0xf1 [ 4061.037362] [] ? save_stack+0x46/0xce [ 4061.053575] [] ? security_capable+0xaa/0xb9 [ 4061.068758] [] ? ns_capable_common+0x149/0x153 [ 4061.084031] [] ? __netlink_ns_capable+0xf3/0xff [ 4061.105156] [] ? rtnl_link_unregister+0x20d/0x20d [ 4061.124311] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4061.140717] [] ? rtnl_newlink+0x1165/0x1165 [ 4061.159830] [] ? mutex_set_owner+0x8e/0xc6 [ 4061.175414] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4061.193037] [] ? rtnl_newlink+0x1165/0x1165 [ 4061.209226] [] netlink_rcv_skb+0x173/0x25b [ 4061.227524] [] rtnetlink_rcv+0x28/0x2f [ 4061.242056] [] netlink_unicast+0x3fc/0x503 [ 4061.258826] [] ? netlink_sendskb+0x35/0x35 [ 4061.276295] [] netlink_sendmsg+0x860/0x877 [ 4061.293666] [] ? netlink_unicast+0x503/0x503 [ 4061.312018] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4061.327618] [] ? netlink_unicast+0x503/0x503 [ 4061.345062] [] sock_sendmsg+0xe9/0x116 [ 4061.362040] [] ? ___sys_sendmsg+0x40c/0x789 [ 4061.377286] [] ___sys_sendmsg+0x5de/0x789 [ 4061.393979] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4061.412865] [] ? vm_normal_page+0x1aa/0x1aa [ 4061.428910] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4061.447346] [] ? compound_head+0x4e/0x56 [ 4061.464051] [] ? handle_mm_fault+0x1e11/0x2102 [ 4061.479940] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4061.499894] [] ? __fget_light+0xe6/0xf0 [ 4061.515721] [] __sys_sendmsg+0xdd/0x167 [ 4061.535955] [] ? __sys_sendmsg+0xdd/0x167 [ 4061.553232] [] ? SyS_shutdown+0x29/0x29 [ 4061.567824] [] SyS_sendmsg+0x3a/0x4f [ 4061.584417] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4061.605291] ================================================================================ [ 4061.630146] ================================================================================ [ 4061.658611] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:3368:2 [ 4061.675971] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4061.700591] which requires 64 byte alignment [ 4061.715385] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4061.734392] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4061.760864] 00000000ffffffff 00000000f797e7aa ffff88005a45ea28 ffffffffb26ec5cc [ 4061.780664] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4061.801102] ffff880000000010 ffff88005a45ea50 ffff88005a45ea00 ffffffffb363c3e0 [ 4061.823687] Call Trace: [ 4061.833876] [] dump_stack+0xd7/0x132 [ 4061.849263] [] ? arch_local_irq_restore+0x1b/0x1b [ 4061.871149] [] ubsan_epilogue+0x12/0x53 [ 4061.886962] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4061.907870] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4061.931171] [] ? kasan_kmalloc+0x94/0xa3 [ 4061.944709] [] dst_init+0xfa/0x4be [ 4061.961061] [] ? dst_discard+0x33/0x33 [ 4061.977485] [] ? kmem_cache_alloc+0x20f/0x33f [ 4061.995122] [] ? netlink_unicast+0x3fc/0x503 [ 4062.015882] [] ? dst_alloc+0x8f/0x178 [ 4062.032953] [] ? sock_sendmsg+0xe9/0x116 [ 4062.047212] [] ? dst_alloc+0x8f/0x178 [ 4062.063892] [] dst_alloc+0xbc/0x178 [ 4062.079949] [] __ip6_dst_alloc+0x83/0x1a3 [ 4062.096277] [] ? find_match+0x705/0x705 [ 4062.114156] [] ? kasan_poison_shadow+0x2f/0x31 [ 4062.131239] [] ip6_dst_alloc+0x36/0x1f5 [ 4062.145673] [] addrconf_dst_alloc+0x113/0x4a0 [ 4062.167211] [] ? ipv6_route_ioctl+0x2a4/0x2a4 [ 4062.184414] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 4062.204740] [] ? ipv6_add_addr+0x4d2/0xcd1 [ 4062.218744] [] ipv6_add_addr+0x552/0xcd1 [ 4062.233164] [] ? inet6_dump_ifinfo+0x39e/0x39e [ 4062.251556] [] ? mld_in_v1_mode+0x346/0x354 [ 4062.268017] [] ? __local_bh_enable_ip+0x40/0xb3 [ 4062.288198] [] ? _raw_read_unlock_bh+0x1c/0x1e [ 4062.304580] [] addrconf_notify+0x904/0x166a [ 4062.321044] [] ? ip6mr_device_event+0x249/0x287 [ 4062.339964] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4062.359128] [] ? mif6_delete+0x482/0x482 [ 4062.375041] [] notifier_call_chain+0xd2/0x184 [ 4062.392189] [] ? notifier_call_chain+0xd2/0x184 [ 4062.411857] [] raw_notifier_call_chain+0x35/0x37 [ 4062.428515] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4062.446012] [] call_netdevice_notifiers+0x75/0x97 [ 4062.464827] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4062.484812] [] __dev_notify_flags+0x12b/0x1c3 [ 4062.502891] [] ? dev_change_name+0x519/0x519 [ 4062.519083] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4062.539169] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4062.562529] [] dev_change_flags+0xfb/0x10f [ 4062.578465] [] do_setlink+0xb05/0x2647 [ 4062.595867] [] ? univ8250_console_setup+0x15a/0x15a [ 4062.616278] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4062.635856] [] ? console_unlock+0x6a9/0x6b8 [ 4062.652672] [] ? vprintk_emit+0x636/0x647 [ 4062.668631] [] ? vprintk_default+0x65/0x6e [ 4062.687391] [] ? ubsan_epilogue+0x26/0x53 [ 4062.703191] [] ? arch_local_irq_restore+0x6/0xd [ 4062.720179] [] ? validate_linkmsg+0x462/0x4a0 [ 4062.737471] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4062.754462] [] rtnl_newlink+0x98a/0x1165 [ 4062.770096] [] ? rtnl_newlink+0x4db/0x1165 [ 4062.784298] [] ? rtnl_newlink+0x457/0x1165 [ 4062.800660] [] ? rtnl_link_unregister+0x20d/0x20d [ 4062.823355] [] ? save_stack+0xc4/0xce [ 4062.836914] [] ? save_stack_trace+0x31/0xf1 [ 4062.854737] [] ? save_stack+0x46/0xce [ 4062.868466] [] ? security_capable+0xaa/0xb9 [ 4062.886415] [] ? ns_capable_common+0x149/0x153 [ 4062.904186] [] ? __netlink_ns_capable+0xf3/0xff [ 4062.922586] [] ? rtnl_link_unregister+0x20d/0x20d [ 4062.939717] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4062.956733] [] ? rtnl_newlink+0x1165/0x1165 [ 4062.971204] [] ? mutex_set_owner+0x8e/0xc6 [ 4062.986031] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4063.009642] [] ? rtnl_newlink+0x1165/0x1165 [ 4063.023694] [] netlink_rcv_skb+0x173/0x25b [ 4063.041453] [] rtnetlink_rcv+0x28/0x2f [ 4063.058172] [] netlink_unicast+0x3fc/0x503 [ 4063.075177] [] ? netlink_sendskb+0x35/0x35 [ 4063.094125] [] netlink_sendmsg+0x860/0x877 [ 4063.110818] [] ? netlink_unicast+0x503/0x503 [ 4063.126150] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4063.143852] [] ? netlink_unicast+0x503/0x503 [ 4063.163274] [] sock_sendmsg+0xe9/0x116 [ 4063.179470] [] ? ___sys_sendmsg+0x40c/0x789 [ 4063.197472] [] ___sys_sendmsg+0x5de/0x789 [ 4063.214799] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4063.233651] [] ? vm_normal_page+0x1aa/0x1aa [ 4063.247917] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4063.268435] [] ? compound_head+0x4e/0x56 [ 4063.284339] [] ? handle_mm_fault+0x1e11/0x2102 [ 4063.301138] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4063.316466] [] ? __fget_light+0xe6/0xf0 [ 4063.335434] [] __sys_sendmsg+0xdd/0x167 [ 4063.353245] [] ? __sys_sendmsg+0xdd/0x167 [ 4063.368477] [] ? SyS_shutdown+0x29/0x29 [ 4063.384920] [] SyS_sendmsg+0x3a/0x4f [ 4063.400865] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4063.420170] ================================================================================ [ 4063.445115] ================================================================================ [ 4063.472859] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:4561:2 [ 4063.492683] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4063.517737] which requires 64 byte alignment [ 4063.531085] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4063.546815] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4063.577544] 00000000ffffffff 00000000f797e7aa ffff88005a45ecb0 ffffffffb26ec5cc [ 4063.601144] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4063.625640] 0000000000000010 ffff88005a45ecd8 ffff88005a45ec88 ffffffffb363c3e0 [ 4063.648779] Call Trace: [ 4063.658047] [] dump_stack+0xd7/0x132 [ 4063.674086] [] ? arch_local_irq_restore+0x1b/0x1b [ 4063.691126] [] ubsan_epilogue+0x12/0x53 [ 4063.707410] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4063.727072] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4063.748493] [] ? nlmsg_put+0x109/0x11a [ 4063.763302] [] inet6_fill_ifaddr+0x12b/0x6b2 [ 4063.780483] [] ? ipv6_add_addr+0xcd1/0xcd1 [ 4063.797219] [] ? inet6_dump_ifinfo+0x39e/0x39e [ 4063.814317] [] __ipv6_ifa_notify+0x1a3/0x644 [ 4063.830537] [] ipv6_ifa_notify+0x92/0xa3 [ 4063.844810] [] addrconf_notify+0x97f/0x166a [ 4063.862345] [] ? ip6mr_device_event+0x249/0x287 [ 4063.881333] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4063.902553] [] ? mif6_delete+0x482/0x482 [ 4063.918787] [] notifier_call_chain+0xd2/0x184 [ 4063.938915] [] ? notifier_call_chain+0xd2/0x184 [ 4063.959159] [] raw_notifier_call_chain+0x35/0x37 [ 4063.978627] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4063.997301] [] call_netdevice_notifiers+0x75/0x97 [ 4064.015826] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4064.036939] [] __dev_notify_flags+0x12b/0x1c3 [ 4064.057649] [] ? dev_change_name+0x519/0x519 [ 4064.073693] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4064.091541] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4064.113655] [] dev_change_flags+0xfb/0x10f [ 4064.129556] [] do_setlink+0xb05/0x2647 [ 4064.144239] [] ? univ8250_console_setup+0x15a/0x15a [ 4064.163942] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4064.182383] [] ? console_unlock+0x6a9/0x6b8 [ 4064.200904] [] ? vprintk_emit+0x636/0x647 [ 4064.220456] [] ? vprintk_default+0x65/0x6e [ 4064.237435] [] ? ubsan_epilogue+0x26/0x53 [ 4064.255352] [] ? arch_local_irq_restore+0x6/0xd [ 4064.273538] [] ? validate_linkmsg+0x462/0x4a0 [ 4064.288327] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4064.303200] [] rtnl_newlink+0x98a/0x1165 [ 4064.319149] [] ? rtnl_newlink+0x4db/0x1165 [ 4064.337196] [] ? rtnl_newlink+0x457/0x1165 [ 4064.363980] [] ? rtnl_link_unregister+0x20d/0x20d [ 4064.382365] [] ? save_stack+0xc4/0xce [ 4064.399541] [] ? save_stack_trace+0x31/0xf1 [ 4064.416671] [] ? save_stack+0x46/0xce [ 4064.432714] [] ? security_capable+0xaa/0xb9 [ 4064.446659] [] ? ns_capable_common+0x149/0x153 [ 4064.462813] [] ? __netlink_ns_capable+0xf3/0xff [ 4064.480727] [] ? rtnl_link_unregister+0x20d/0x20d [ 4064.498286] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4064.513750] [] ? rtnl_newlink+0x1165/0x1165 [ 4064.530710] [] ? mutex_set_owner+0x8e/0xc6 [ 4064.545525] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4064.566301] [] ? rtnl_newlink+0x1165/0x1165 [ 4064.584612] [] netlink_rcv_skb+0x173/0x25b [ 4064.600935] [] rtnetlink_rcv+0x28/0x2f [ 4064.616167] [] netlink_unicast+0x3fc/0x503 [ 4064.637664] [] ? netlink_sendskb+0x35/0x35 [ 4064.656869] [] netlink_sendmsg+0x860/0x877 [ 4064.674355] [] ? netlink_unicast+0x503/0x503 [ 4064.691888] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4064.709414] [] ? netlink_unicast+0x503/0x503 [ 4064.728885] [] sock_sendmsg+0xe9/0x116 [ 4064.742723] [] ? ___sys_sendmsg+0x40c/0x789 [ 4064.761590] [] ___sys_sendmsg+0x5de/0x789 [ 4064.778936] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4064.799530] [] ? vm_normal_page+0x1aa/0x1aa [ 4064.814636] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4064.833984] [] ? compound_head+0x4e/0x56 [ 4064.848620] [] ? handle_mm_fault+0x1e11/0x2102 [ 4064.867219] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4064.887189] [] ? __fget_light+0xe6/0xf0 [ 4064.902216] [] __sys_sendmsg+0xdd/0x167 [ 4064.917098] [] ? __sys_sendmsg+0xdd/0x167 [ 4064.933109] [] ? SyS_shutdown+0x29/0x29 [ 4064.947125] [] SyS_sendmsg+0x3a/0x4f [ 4064.963455] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4064.983389] ================================================================================ [ 4065.010731] ================================================================================ [ 4065.034821] UBSAN: Undefined behaviour in net/ipv6/route.c:3250:43 [ 4065.054870] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4065.077574] which requires 64 byte alignment [ 4065.089273] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4065.108797] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4065.133809] 00000000ffffffff 00000000f797e7aa ffff88005a45e868 ffffffffb26ec5cc [ 4065.156934] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4065.178428] ffff880000000010 ffff88005a45e890 ffff88005a45e840 ffffffffb363c3e0 [ 4065.197541] Call Trace: [ 4065.205199] [] dump_stack+0xd7/0x132 [ 4065.217324] [] ? arch_local_irq_restore+0x1b/0x1b [ 4065.238432] [] ubsan_epilogue+0x12/0x53 [ 4065.255079] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4065.275459] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4065.295199] [] ? nla_put+0x92/0xa0 [ 4065.311187] [] rt6_fill_node.constprop.15+0x105d/0x1353 [ 4065.333257] [] ? ip6_dst_check+0x2f3/0x2f3 [ 4065.348880] [] ? kasan_poison_shadow+0x2f/0x31 [ 4065.368991] [] ? kasan_unpoison_shadow+0x14/0x35 [ 4065.387063] [] ? kasan_kmalloc+0x94/0xa3 [ 4065.404535] [] ? kasan_slab_alloc+0x12/0x14 [ 4065.422635] [] ? slab_post_alloc_hook+0x9e/0xb7 [ 4065.440005] [] ? __kmalloc_node_track_caller+0x2db/0x301 [ 4065.461193] [] ? __alloc_skb+0x139/0x503 [ 4065.478145] [] ? kasan_poison_shadow+0x2f/0x31 [ 4065.493598] [] ? kasan_unpoison_shadow+0x14/0x35 [ 4065.510442] [] ? kmem_cache_alloc+0x20f/0x33f [ 4065.525860] [] ? node_alloc+0x1f/0x21 [ 4065.541497] [] inet6_rt_notify+0x1ba/0x29b [ 4065.559540] [] ? inet6_rt_notify+0x1ba/0x29b [ 4065.577159] [] fib6_add+0x144b/0x207a [ 4065.594633] [] __ip6_ins_rt+0x6d/0x87 [ 4065.609340] [] ? ip6_ins_rt+0xea/0x158 [ 4065.626949] [] ip6_ins_rt+0x115/0x158 [ 4065.640678] [] ? ip6_route_multipath_add+0xad2/0xad2 [ 4065.659771] [] ? nlmsg_notify+0xe4/0xf3 [ 4065.677239] [] ? rtnl_notify+0xb7/0xc4 [ 4065.694393] [] __ipv6_ifa_notify+0x2ba/0x644 [ 4065.711002] [] ipv6_ifa_notify+0x92/0xa3 [ 4065.726562] [] addrconf_notify+0x97f/0x166a [ 4065.741339] [] ? ip6mr_device_event+0x249/0x287 [ 4065.759162] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4065.777114] [] ? mif6_delete+0x482/0x482 [ 4065.792474] [] notifier_call_chain+0xd2/0x184 [ 4065.810401] [] ? notifier_call_chain+0xd2/0x184 [ 4065.827886] [] raw_notifier_call_chain+0x35/0x37 [ 4065.843821] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4065.863541] [] call_netdevice_notifiers+0x75/0x97 [ 4065.883989] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4065.902620] [] __dev_notify_flags+0x12b/0x1c3 [ 4065.918638] [] ? dev_change_name+0x519/0x519 [ 4065.934217] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4065.951915] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4065.973110] [] dev_change_flags+0xfb/0x10f [ 4065.986281] [] do_setlink+0xb05/0x2647 [ 4066.002730] [] ? univ8250_console_setup+0x15a/0x15a [ 4066.024781] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4066.043807] [] ? console_unlock+0x6a9/0x6b8 [ 4066.060629] [] ? vprintk_emit+0x636/0x647 [ 4066.077039] [] ? vprintk_default+0x65/0x6e [ 4066.093500] [] ? ubsan_epilogue+0x26/0x53 [ 4066.110865] [] ? arch_local_irq_restore+0x6/0xd [ 4066.128046] [] ? validate_linkmsg+0x462/0x4a0 [ 4066.145596] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4066.163865] [] rtnl_newlink+0x98a/0x1165 [ 4066.180036] [] ? rtnl_newlink+0x4db/0x1165 [ 4066.198690] [] ? rtnl_newlink+0x457/0x1165 [ 4066.215174] [] ? rtnl_link_unregister+0x20d/0x20d [ 4066.233067] [] ? save_stack+0xc4/0xce [ 4066.246139] [] ? save_stack_trace+0x31/0xf1 [ 4066.265738] [] ? save_stack+0x46/0xce [ 4066.282250] [] ? security_capable+0xaa/0xb9 [ 4066.299974] [] ? ns_capable_common+0x149/0x153 [ 4066.317718] [] ? __netlink_ns_capable+0xf3/0xff [ 4066.335224] [] ? rtnl_link_unregister+0x20d/0x20d [ 4066.356495] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4066.375765] [] ? rtnl_newlink+0x1165/0x1165 [ 4066.390826] [] ? mutex_set_owner+0x8e/0xc6 [ 4066.407690] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4066.428378] [] ? rtnl_newlink+0x1165/0x1165 [ 4066.444637] [] netlink_rcv_skb+0x173/0x25b [ 4066.461396] [] rtnetlink_rcv+0x28/0x2f [ 4066.478997] [] netlink_unicast+0x3fc/0x503 [ 4066.494808] [] ? netlink_sendskb+0x35/0x35 [ 4066.516500] [] netlink_sendmsg+0x860/0x877 [ 4066.533069] [] ? netlink_unicast+0x503/0x503 [ 4066.546836] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4066.565645] [] ? netlink_unicast+0x503/0x503 [ 4066.583718] [] sock_sendmsg+0xe9/0x116 [ 4066.600152] [] ? ___sys_sendmsg+0x40c/0x789 [ 4066.621363] [] ___sys_sendmsg+0x5de/0x789 [ 4066.638574] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4066.656399] [] ? vm_normal_page+0x1aa/0x1aa [ 4066.675662] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4066.697991] [] ? compound_head+0x4e/0x56 [ 4066.712717] [] ? handle_mm_fault+0x1e11/0x2102 [ 4066.731060] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4066.749370] [] ? __fget_light+0xe6/0xf0 [ 4066.765046] [] __sys_sendmsg+0xdd/0x167 [ 4066.780726] [] ? __sys_sendmsg+0xdd/0x167 [ 4066.798496] [] ? SyS_shutdown+0x29/0x29 [ 4066.815753] [] SyS_sendmsg+0x3a/0x4f [ 4066.829978] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4066.845028] ================================================================================ [ 4066.868505] ================================================================================ [ 4066.895286] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:2979:2 [ 4066.914848] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4066.943235] which requires 64 byte alignment [ 4066.957855] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4066.980016] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4067.005297] 00000000ffffffff 00000000f797e7aa ffff88005a45edd8 ffffffffb26ec5cc [ 4067.027387] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4067.052216] 0000000000000010 ffff88005a45ee00 ffff88005a45edb0 ffffffffb363c3e0 [ 4067.074716] Call Trace: [ 4067.080143] [] dump_stack+0xd7/0x132 [ 4067.095218] [] ? arch_local_irq_restore+0x1b/0x1b [ 4067.115330] [] ubsan_epilogue+0x12/0x53 [ 4067.133524] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4067.153306] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4067.174186] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 4067.192154] [] addrconf_notify+0xd28/0x166a [ 4067.207924] [] ? ip6mr_device_event+0x249/0x287 [ 4067.225147] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4067.244007] [] ? mif6_delete+0x482/0x482 [ 4067.261372] [] notifier_call_chain+0xd2/0x184 [ 4067.280288] [] ? notifier_call_chain+0xd2/0x184 [ 4067.296553] [] raw_notifier_call_chain+0x35/0x37 [ 4067.314590] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4067.335094] [] call_netdevice_notifiers+0x75/0x97 [ 4067.355454] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4067.376301] [] __dev_notify_flags+0x12b/0x1c3 [ 4067.392371] [] ? dev_change_name+0x519/0x519 [ 4067.408286] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4067.427724] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4067.449537] [] dev_change_flags+0xfb/0x10f [ 4067.464409] [] do_setlink+0xb05/0x2647 [ 4067.481234] [] ? univ8250_console_setup+0x15a/0x15a [ 4067.501287] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4067.520575] [] ? console_unlock+0x6a9/0x6b8 [ 4067.538759] [] ? vprintk_emit+0x636/0x647 [ 4067.553580] [] ? vprintk_default+0x65/0x6e [ 4067.567740] [] ? ubsan_epilogue+0x26/0x53 [ 4067.584410] [] ? arch_local_irq_restore+0x6/0xd [ 4067.603307] [] ? validate_linkmsg+0x462/0x4a0 [ 4067.617730] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4067.633254] [] rtnl_newlink+0x98a/0x1165 [ 4067.650884] [] ? rtnl_newlink+0x4db/0x1165 [ 4067.667393] [] ? rtnl_newlink+0x457/0x1165 [ 4067.684183] [] ? rtnl_link_unregister+0x20d/0x20d [ 4067.702328] [] ? save_stack+0xc4/0xce [ 4067.720570] [] ? save_stack_trace+0x31/0xf1 [ 4067.736534] [] ? save_stack+0x46/0xce [ 4067.750785] [] ? security_capable+0xaa/0xb9 [ 4067.766744] [] ? ns_capable_common+0x149/0x153 [ 4067.784023] [] ? __netlink_ns_capable+0xf3/0xff [ 4067.803751] [] ? rtnl_link_unregister+0x20d/0x20d [ 4067.823444] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4067.840767] [] ? rtnl_newlink+0x1165/0x1165 [ 4067.857316] [] ? mutex_set_owner+0x8e/0xc6 [ 4067.875269] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4067.893281] [] ? rtnl_newlink+0x1165/0x1165 [ 4067.911627] [] netlink_rcv_skb+0x173/0x25b [ 4067.927769] [] rtnetlink_rcv+0x28/0x2f [ 4067.942969] [] netlink_unicast+0x3fc/0x503 [ 4067.960911] [] ? netlink_sendskb+0x35/0x35 [ 4067.977762] [] netlink_sendmsg+0x860/0x877 [ 4067.992412] [] ? netlink_unicast+0x503/0x503 [ 4068.008674] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4068.026645] [] ? netlink_unicast+0x503/0x503 [ 4068.041936] [] sock_sendmsg+0xe9/0x116 [ 4068.057490] [] ? ___sys_sendmsg+0x40c/0x789 [ 4068.073719] [] ___sys_sendmsg+0x5de/0x789 [ 4068.090539] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4068.107097] [] ? vm_normal_page+0x1aa/0x1aa [ 4068.125423] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4068.145567] [] ? compound_head+0x4e/0x56 [ 4068.162671] [] ? handle_mm_fault+0x1e11/0x2102 [ 4068.182151] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4068.200309] [] ? __fget_light+0xe6/0xf0 [ 4068.215482] [] __sys_sendmsg+0xdd/0x167 [ 4068.233050] [] ? __sys_sendmsg+0xdd/0x167 [ 4068.250754] [] ? SyS_shutdown+0x29/0x29 [ 4068.264771] [] SyS_sendmsg+0x3a/0x4f [ 4068.280746] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4068.297356] ================================================================================ [ 4068.323230] ================================================================================ [ 4068.348016] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:3414:29 [ 4068.365180] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4068.392997] which requires 64 byte alignment [ 4068.406728] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4068.423781] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4068.454181] 00000000ffffffff 00000000f797e7aa ffff88005a45edd8 ffffffffb26ec5cc [ 4068.474316] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4068.493768] ffffffff00000010 ffff88005a45ee00 ffff88005a45edb0 ffffffffb363c3e0 [ 4068.514378] Call Trace: [ 4068.520076] [] dump_stack+0xd7/0x132 [ 4068.536625] [] ? arch_local_irq_restore+0x1b/0x1b [ 4068.557480] [] ubsan_epilogue+0x12/0x53 [ 4068.574523] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4068.592700] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4068.615261] [] ? __local_bh_enable_ip+0xa7/0xb3 [ 4068.633090] [] addrconf_notify+0x12ca/0x166a [ 4068.650097] [] ? ip6mr_device_event+0x249/0x287 [ 4068.666237] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4068.684630] [] ? mif6_delete+0x482/0x482 [ 4068.703760] [] notifier_call_chain+0xd2/0x184 [ 4068.719918] [] ? notifier_call_chain+0xd2/0x184 [ 4068.740481] [] raw_notifier_call_chain+0x35/0x37 [ 4068.757217] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4068.777226] [] call_netdevice_notifiers+0x75/0x97 [ 4068.793906] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4068.812942] [] __dev_notify_flags+0x12b/0x1c3 [ 4068.829574] [] ? dev_change_name+0x519/0x519 [ 4068.843924] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4068.860756] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4068.883035] [] dev_change_flags+0xfb/0x10f [ 4068.902661] [] do_setlink+0xb05/0x2647 [ 4068.923170] [] ? univ8250_console_setup+0x15a/0x15a [ 4068.941685] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4068.961558] [] ? console_unlock+0x6a9/0x6b8 [ 4068.978798] [] ? vprintk_emit+0x636/0x647 [ 4068.996012] [] ? vprintk_default+0x65/0x6e [ 4069.013686] [] ? ubsan_epilogue+0x26/0x53 [ 4069.030835] [] ? arch_local_irq_restore+0x6/0xd [ 4069.045100] [] ? validate_linkmsg+0x462/0x4a0 [ 4069.062453] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4069.079594] [] rtnl_newlink+0x98a/0x1165 [ 4069.094718] [] ? rtnl_newlink+0x4db/0x1165 [ 4069.112905] [] ? rtnl_newlink+0x457/0x1165 [ 4069.127863] [] ? rtnl_link_unregister+0x20d/0x20d [ 4069.144396] [] ? save_stack+0xc4/0xce [ 4069.159677] [] ? save_stack_trace+0x31/0xf1 [ 4069.176880] [] ? save_stack+0x46/0xce [ 4069.192767] [] ? security_capable+0xaa/0xb9 [ 4069.211332] [] ? ns_capable_common+0x149/0x153 [ 4069.225428] [] ? __netlink_ns_capable+0xf3/0xff [ 4069.242772] [] ? rtnl_link_unregister+0x20d/0x20d [ 4069.260143] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4069.280178] [] ? rtnl_newlink+0x1165/0x1165 [ 4069.297710] [] ? mutex_set_owner+0x8e/0xc6 [ 4069.313609] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4069.335726] [] ? rtnl_newlink+0x1165/0x1165 [ 4069.355233] [] netlink_rcv_skb+0x173/0x25b [ 4069.371532] [] rtnetlink_rcv+0x28/0x2f [ 4069.384701] [] netlink_unicast+0x3fc/0x503 [ 4069.402980] [] ? netlink_sendskb+0x35/0x35 [ 4069.418147] [] netlink_sendmsg+0x860/0x877 [ 4069.436178] [] ? netlink_unicast+0x503/0x503 [ 4069.457568] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4069.476882] [] ? netlink_unicast+0x503/0x503 [ 4069.495052] [] sock_sendmsg+0xe9/0x116 [ 4069.510679] [] ? ___sys_sendmsg+0x40c/0x789 [ 4069.526773] [] ___sys_sendmsg+0x5de/0x789 [ 4069.544744] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4069.565388] [] ? vm_normal_page+0x1aa/0x1aa [ 4069.583761] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4069.604271] [] ? compound_head+0x4e/0x56 [ 4069.620251] [] ? handle_mm_fault+0x1e11/0x2102 [ 4069.638746] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4069.657411] [] ? __fget_light+0xe6/0xf0 [ 4069.673840] [] __sys_sendmsg+0xdd/0x167 [ 4069.694190] [] ? __sys_sendmsg+0xdd/0x167 [ 4069.708454] [] ? SyS_shutdown+0x29/0x29 [ 4069.724165] [] SyS_sendmsg+0x3a/0x4f [ 4069.740080] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4069.759493] ================================================================================ [ 4069.782863] ================================================================================ [ 4069.808817] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:5221:21 [ 4069.828405] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4069.853005] which requires 64 byte alignment [ 4069.864052] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4069.890608] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4069.915704] 00000000ffffffff 00000000f797e7aa ffff88005a45ec70 ffffffffb26ec5cc [ 4069.940291] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4069.963092] ffff880000000010 ffff88005a45ec98 ffff88005a45ec48 ffffffffb363c3e0 [ 4069.984116] Call Trace: [ 4069.992335] [] dump_stack+0xd7/0x132 [ 4070.007856] [] ? arch_local_irq_restore+0x1b/0x1b [ 4070.026344] [] ubsan_epilogue+0x12/0x53 [ 4070.040514] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4070.060541] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4070.081154] [] ? nlmsg_put+0x109/0x11a [ 4070.094862] [] inet6_fill_ifinfo+0x199/0x72b [ 4070.112014] [] ? inet6_fill_link_af+0x87/0x87 [ 4070.126257] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 4070.144804] [] ? arch_local_irq_restore+0x6/0xd [ 4070.164046] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4070.184457] [] inet6_ifinfo_notify+0xa1/0x11f [ 4070.201572] [] addrconf_notify+0x13e3/0x166a [ 4070.217353] [] ? ip6mr_device_event+0x249/0x287 [ 4070.237346] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4070.257401] [] ? mif6_delete+0x482/0x482 [ 4070.273264] [] notifier_call_chain+0xd2/0x184 [ 4070.287963] [] ? notifier_call_chain+0xd2/0x184 [ 4070.305955] [] raw_notifier_call_chain+0x35/0x37 [ 4070.328503] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4070.350280] [] call_netdevice_notifiers+0x75/0x97 [ 4070.366973] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4070.391921] [] __dev_notify_flags+0x12b/0x1c3 [ 4070.409790] [] ? dev_change_name+0x519/0x519 [ 4070.426367] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4070.443385] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4070.464344] [] dev_change_flags+0xfb/0x10f [ 4070.485011] [] do_setlink+0xb05/0x2647 [ 4070.501364] [] ? univ8250_console_setup+0x15a/0x15a [ 4070.521666] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4070.540536] [] ? console_unlock+0x6a9/0x6b8 [ 4070.556976] [] ? vprintk_emit+0x636/0x647 [ 4070.575428] [] ? vprintk_default+0x65/0x6e [ 4070.598044] [] ? ubsan_epilogue+0x26/0x53 [ 4070.614965] [] ? arch_local_irq_restore+0x6/0xd [ 4070.634946] [] ? validate_linkmsg+0x462/0x4a0 [ 4070.652800] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4070.668682] [] rtnl_newlink+0x98a/0x1165 [ 4070.685340] [] ? rtnl_newlink+0x4db/0x1165 [ 4070.707457] [] ? rtnl_newlink+0x457/0x1165 [ 4070.721064] [] ? rtnl_link_unregister+0x20d/0x20d [ 4070.740316] [] ? save_stack+0xc4/0xce [ 4070.760822] [] ? save_stack_trace+0x31/0xf1 [ 4070.778147] [] ? save_stack+0x46/0xce [ 4070.795957] [] ? security_capable+0xaa/0xb9 [ 4070.816211] [] ? ns_capable_common+0x149/0x153 [ 4070.835322] [] ? __netlink_ns_capable+0xf3/0xff [ 4070.859027] [] ? rtnl_link_unregister+0x20d/0x20d [ 4070.878619] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4070.898388] [] ? rtnl_newlink+0x1165/0x1165 [ 4070.916418] [] ? mutex_set_owner+0x8e/0xc6 [ 4070.933440] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4070.958300] [] ? rtnl_newlink+0x1165/0x1165 [ 4070.975167] [] netlink_rcv_skb+0x173/0x25b [ 4070.990495] [] rtnetlink_rcv+0x28/0x2f [ 4071.006034] [] netlink_unicast+0x3fc/0x503 [ 4071.024294] [] ? netlink_sendskb+0x35/0x35 [ 4071.043738] [] netlink_sendmsg+0x860/0x877 [ 4071.062274] [] ? netlink_unicast+0x503/0x503 [ 4071.080294] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4071.100954] [] ? netlink_unicast+0x503/0x503 [ 4071.117048] [] sock_sendmsg+0xe9/0x116 [ 4071.135740] [] ? ___sys_sendmsg+0x40c/0x789 [ 4071.152989] [] ___sys_sendmsg+0x5de/0x789 [ 4071.167504] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4071.187535] [] ? vm_normal_page+0x1aa/0x1aa [ 4071.207309] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4071.229552] [] ? compound_head+0x4e/0x56 [ 4071.243819] [] ? handle_mm_fault+0x1e11/0x2102 [ 4071.261011] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4071.280836] [] ? __fget_light+0xe6/0xf0 [ 4071.297363] [] __sys_sendmsg+0xdd/0x167 [ 4071.312993] [] ? __sys_sendmsg+0xdd/0x167 [ 4071.329859] [] ? SyS_shutdown+0x29/0x29 [ 4071.343040] [] SyS_sendmsg+0x3a/0x4f [ 4071.359374] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4071.378515] ================================================================================ [ 4071.402621] ================================================================================ [ 4071.425563] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:5222:22 [ 4071.446295] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4071.470565] which requires 64 byte alignment [ 4071.483153] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4071.507565] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4071.535141] 00000000ffffffff 00000000f797e7aa ffff88005a45ec70 ffffffffb26ec5cc [ 4071.561228] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4071.581280] ffff880000000010 ffff88005a45ec98 ffff88005a45ec48 ffffffffb363c3e0 [ 4071.604053] Call Trace: [ 4071.611382] [] dump_stack+0xd7/0x132 [ 4071.625783] [] ? arch_local_irq_restore+0x1b/0x1b [ 4071.643030] [] ubsan_epilogue+0x12/0x53 [ 4071.658799] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4071.679135] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4071.701429] [] ? nlmsg_put+0x109/0x11a [ 4071.717310] [] inet6_fill_ifinfo+0x1f9/0x72b [ 4071.735850] [] ? inet6_fill_link_af+0x87/0x87 [ 4071.753802] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 4071.774626] [] ? arch_local_irq_restore+0x6/0xd [ 4071.789160] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4071.813410] [] inet6_ifinfo_notify+0xa1/0x11f [ 4071.832786] [] addrconf_notify+0x13e3/0x166a [ 4071.848401] [] ? ip6mr_device_event+0x249/0x287 [ 4071.865056] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4071.883060] [] ? mif6_delete+0x482/0x482 [ 4071.902109] [] notifier_call_chain+0xd2/0x184 [ 4071.919027] [] ? notifier_call_chain+0xd2/0x184 [ 4071.937214] [] raw_notifier_call_chain+0x35/0x37 [ 4071.956854] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4071.979064] [] call_netdevice_notifiers+0x75/0x97 [ 4071.996565] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4072.017478] [] __dev_notify_flags+0x12b/0x1c3 [ 4072.036718] [] ? dev_change_name+0x519/0x519 [ 4072.055308] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4072.074046] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4072.095011] [] dev_change_flags+0xfb/0x10f [ 4072.112338] [] do_setlink+0xb05/0x2647 [ 4072.135172] [] ? univ8250_console_setup+0x15a/0x15a [ 4072.157620] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4072.177646] [] ? console_unlock+0x6a9/0x6b8 [ 4072.195697] [] ? vprintk_emit+0x636/0x647 [ 4072.213564] [] ? vprintk_default+0x65/0x6e [ 4072.231649] [] ? ubsan_epilogue+0x26/0x53 [ 4072.245263] [] ? arch_local_irq_restore+0x6/0xd [ 4072.263075] [] ? validate_linkmsg+0x462/0x4a0 [ 4072.283350] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4072.298726] [] rtnl_newlink+0x98a/0x1165 [ 4072.315921] [] ? rtnl_newlink+0x4db/0x1165 [ 4072.334542] [] ? rtnl_newlink+0x457/0x1165 [ 4072.353472] [] ? rtnl_link_unregister+0x20d/0x20d [ 4072.370066] [] ? save_stack+0xc4/0xce [ 4072.384601] [] ? save_stack_trace+0x31/0xf1 [ 4072.402038] [] ? save_stack+0x46/0xce [ 4072.419257] [] ? security_capable+0xaa/0xb9 [ 4072.439577] [] ? ns_capable_common+0x149/0x153 [ 4072.457746] [] ? __netlink_ns_capable+0xf3/0xff [ 4072.475292] [] ? rtnl_link_unregister+0x20d/0x20d [ 4072.494527] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4072.510916] [] ? rtnl_newlink+0x1165/0x1165 [ 4072.526575] [] ? mutex_set_owner+0x8e/0xc6 [ 4072.543322] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4072.563440] [] ? rtnl_newlink+0x1165/0x1165 [ 4072.580842] [] netlink_rcv_skb+0x173/0x25b [ 4072.598973] [] rtnetlink_rcv+0x28/0x2f [ 4072.614208] [] netlink_unicast+0x3fc/0x503 [ 4072.633754] [] ? netlink_sendskb+0x35/0x35 [ 4072.651468] [] netlink_sendmsg+0x860/0x877 [ 4072.666407] [] ? netlink_unicast+0x503/0x503 [ 4072.683125] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4072.704603] [] ? netlink_unicast+0x503/0x503 [ 4072.719319] [] sock_sendmsg+0xe9/0x116 [ 4072.736325] [] ? ___sys_sendmsg+0x40c/0x789 [ 4072.755756] [] ___sys_sendmsg+0x5de/0x789 [ 4072.770936] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4072.788381] [] ? vm_normal_page+0x1aa/0x1aa [ 4072.805741] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4072.825015] [] ? compound_head+0x4e/0x56 [ 4072.844570] [] ? handle_mm_fault+0x1e11/0x2102 [ 4072.863137] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4072.881945] [] ? __fget_light+0xe6/0xf0 [ 4072.898672] [] __sys_sendmsg+0xdd/0x167 [ 4072.913350] [] ? __sys_sendmsg+0xdd/0x167 [ 4072.930350] [] ? SyS_shutdown+0x29/0x29 [ 4072.945660] [] SyS_sendmsg+0x3a/0x4f [ 4072.958818] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4072.979649] ================================================================================ [ 4073.002889] ================================================================================ [ 4073.028855] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:5227:10 [ 4073.046436] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4073.075750] which requires 64 byte alignment [ 4073.086442] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4073.105314] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4073.132241] 00000000ffffffff 00000000f797e7aa ffff88005a45ec70 ffffffffb26ec5cc [ 4073.154888] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4073.176695] ffff880000000010 ffff88005a45ec98 ffff88005a45ec48 ffffffffb363c3e0 [ 4073.199645] Call Trace: [ 4073.205604] [] dump_stack+0xd7/0x132 [ 4073.222817] [] ? arch_local_irq_restore+0x1b/0x1b [ 4073.244361] [] ubsan_epilogue+0x12/0x53 [ 4073.258430] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4073.278557] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4073.299357] [] ? nla_put+0x92/0xa0 [ 4073.314731] [] inet6_fill_ifinfo+0x2ef/0x72b [ 4073.331243] [] ? inet6_fill_link_af+0x87/0x87 [ 4073.349292] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 4073.365847] [] ? arch_local_irq_restore+0x6/0xd [ 4073.381771] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4073.403800] [] inet6_ifinfo_notify+0xa1/0x11f [ 4073.422221] [] addrconf_notify+0x13e3/0x166a [ 4073.438911] [] ? ip6mr_device_event+0x249/0x287 [ 4073.459907] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4073.477068] [] ? mif6_delete+0x482/0x482 [ 4073.492322] [] notifier_call_chain+0xd2/0x184 [ 4073.512222] [] ? notifier_call_chain+0xd2/0x184 [ 4073.530597] [] raw_notifier_call_chain+0x35/0x37 [ 4073.550917] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4073.567410] [] call_netdevice_notifiers+0x75/0x97 [ 4073.587556] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4073.611980] [] __dev_notify_flags+0x12b/0x1c3 [ 4073.628985] [] ? dev_change_name+0x519/0x519 [ 4073.644528] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4073.662891] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4073.683407] [] dev_change_flags+0xfb/0x10f [ 4073.699360] [] do_setlink+0xb05/0x2647 [ 4073.718837] [] ? univ8250_console_setup+0x15a/0x15a [ 4073.738219] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4073.758173] [] ? console_unlock+0x6a9/0x6b8 [ 4073.774399] [] ? vprintk_emit+0x636/0x647 [ 4073.790240] [] ? vprintk_default+0x65/0x6e [ 4073.808023] [] ? ubsan_epilogue+0x26/0x53 [ 4073.827207] [] ? arch_local_irq_restore+0x6/0xd [ 4073.846740] [] ? validate_linkmsg+0x462/0x4a0 [ 4073.862868] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4073.878579] [] rtnl_newlink+0x98a/0x1165 [ 4073.895161] [] ? rtnl_newlink+0x4db/0x1165 [ 4073.912862] [] ? rtnl_newlink+0x457/0x1165 [ 4073.930497] [] ? rtnl_link_unregister+0x20d/0x20d [ 4073.948214] [] ? save_stack+0xc4/0xce [ 4073.962659] [] ? save_stack_trace+0x31/0xf1 [ 4073.981850] [] ? save_stack+0x46/0xce [ 4073.997682] [] ? security_capable+0xaa/0xb9 [ 4074.013139] [] ? ns_capable_common+0x149/0x153 [ 4074.030688] [] ? __netlink_ns_capable+0xf3/0xff [ 4074.048370] [] ? rtnl_link_unregister+0x20d/0x20d [ 4074.064751] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4074.084197] [] ? rtnl_newlink+0x1165/0x1165 [ 4074.103235] [] ? mutex_set_owner+0x8e/0xc6 [ 4074.120393] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4074.141501] [] ? rtnl_newlink+0x1165/0x1165 [ 4074.159014] [] netlink_rcv_skb+0x173/0x25b [ 4074.174667] [] rtnetlink_rcv+0x28/0x2f [ 4074.187939] [] netlink_unicast+0x3fc/0x503 [ 4074.204222] [] ? netlink_sendskb+0x35/0x35 [ 4074.223246] [] netlink_sendmsg+0x860/0x877 [ 4074.243060] [] ? netlink_unicast+0x503/0x503 [ 4074.259996] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4074.276946] [] ? netlink_unicast+0x503/0x503 [ 4074.295031] [] sock_sendmsg+0xe9/0x116 [ 4074.310198] [] ? ___sys_sendmsg+0x40c/0x789 [ 4074.327540] [] ___sys_sendmsg+0x5de/0x789 [ 4074.346125] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4074.363656] [] ? vm_normal_page+0x1aa/0x1aa [ 4074.379528] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4074.400183] [] ? compound_head+0x4e/0x56 [ 4074.417045] [] ? handle_mm_fault+0x1e11/0x2102 [ 4074.434631] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4074.454551] [] ? __fget_light+0xe6/0xf0 [ 4074.469735] [] __sys_sendmsg+0xdd/0x167 [ 4074.484913] [] ? __sys_sendmsg+0xdd/0x167 [ 4074.502384] [] ? SyS_shutdown+0x29/0x29 [ 4074.518724] [] SyS_sendmsg+0x3a/0x4f [ 4074.533137] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4074.553199] ================================================================================ [ 4074.578610] ================================================================================ [ 4074.604280] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:5228:52 [ 4074.620479] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4074.646352] which requires 64 byte alignment [ 4074.661190] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4074.679660] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4074.705479] 00000000ffffffff 00000000f797e7aa ffff88005a45ec70 ffffffffb26ec5cc [ 4074.727742] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4074.751684] ffff880000000010 ffff88005a45ec98 ffff88005a45ec48 ffffffffb363c3e0 [ 4074.771081] Call Trace: [ 4074.777633] [] dump_stack+0xd7/0x132 [ 4074.793182] [] ? arch_local_irq_restore+0x1b/0x1b [ 4074.810796] [] ubsan_epilogue+0x12/0x53 [ 4074.827932] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4074.847304] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4074.865145] [] ? nla_put+0x92/0xa0 [ 4074.880168] [] inet6_fill_ifinfo+0x378/0x72b [ 4074.899404] [] ? inet6_fill_link_af+0x87/0x87 [ 4074.916525] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 4074.934821] [] ? arch_local_irq_restore+0x6/0xd [ 4074.953156] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4074.973868] [] inet6_ifinfo_notify+0xa1/0x11f [ 4074.989793] [] addrconf_notify+0x13e3/0x166a [ 4075.006641] [] ? ip6mr_device_event+0x249/0x287 [ 4075.022239] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4075.042249] [] ? mif6_delete+0x482/0x482 [ 4075.058969] [] notifier_call_chain+0xd2/0x184 [ 4075.073606] [] ? notifier_call_chain+0xd2/0x184 [ 4075.092818] [] raw_notifier_call_chain+0x35/0x37 [ 4075.110801] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4075.132191] [] call_netdevice_notifiers+0x75/0x97 [ 4075.153364] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4075.174140] [] __dev_notify_flags+0x12b/0x1c3 [ 4075.189460] [] ? dev_change_name+0x519/0x519 [ 4075.207330] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4075.229499] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4075.253533] [] dev_change_flags+0xfb/0x10f [ 4075.272844] [] do_setlink+0xb05/0x2647 [ 4075.296275] [] ? univ8250_console_setup+0x15a/0x15a [ 4075.317011] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4075.334989] [] ? console_unlock+0x6a9/0x6b8 [ 4075.352238] [] ? vprintk_emit+0x636/0x647 [ 4075.365342] [] ? vprintk_default+0x65/0x6e [ 4075.383468] [] ? ubsan_epilogue+0x26/0x53 [ 4075.402976] [] ? arch_local_irq_restore+0x6/0xd [ 4075.421325] [] ? validate_linkmsg+0x462/0x4a0 [ 4075.440170] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4075.458563] [] rtnl_newlink+0x98a/0x1165 [ 4075.472515] [] ? rtnl_newlink+0x4db/0x1165 [ 4075.491342] [] ? rtnl_newlink+0x457/0x1165 [ 4075.504626] [] ? rtnl_link_unregister+0x20d/0x20d [ 4075.523711] [] ? save_stack+0xc4/0xce [ 4075.537309] [] ? save_stack_trace+0x31/0xf1 [ 4075.555903] [] ? save_stack+0x46/0xce [ 4075.572597] [] ? security_capable+0xaa/0xb9 [ 4075.586559] [] ? ns_capable_common+0x149/0x153 [ 4075.603398] [] ? __netlink_ns_capable+0xf3/0xff [ 4075.621102] [] ? rtnl_link_unregister+0x20d/0x20d [ 4075.636866] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4075.654419] [] ? rtnl_newlink+0x1165/0x1165 [ 4075.671382] [] ? mutex_set_owner+0x8e/0xc6 [ 4075.685183] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4075.705332] [] ? rtnl_newlink+0x1165/0x1165 [ 4075.724482] [] netlink_rcv_skb+0x173/0x25b [ 4075.745511] [] rtnetlink_rcv+0x28/0x2f [ 4075.759468] [] netlink_unicast+0x3fc/0x503 [ 4075.778313] [] ? netlink_sendskb+0x35/0x35 [ 4075.795805] [] netlink_sendmsg+0x860/0x877 [ 4075.810855] [] ? netlink_unicast+0x503/0x503 [ 4075.828504] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4075.846540] [] ? netlink_unicast+0x503/0x503 [ 4075.863625] [] sock_sendmsg+0xe9/0x116 [ 4075.881282] [] ? ___sys_sendmsg+0x40c/0x789 [ 4075.899045] [] ___sys_sendmsg+0x5de/0x789 [ 4075.915603] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4075.935882] [] ? vm_normal_page+0x1aa/0x1aa [ 4075.953618] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4075.969740] [] ? compound_head+0x4e/0x56 [ 4075.986323] [] ? handle_mm_fault+0x1e11/0x2102 [ 4076.002209] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4076.020470] [] ? __fget_light+0xe6/0xf0 [ 4076.038783] [] __sys_sendmsg+0xdd/0x167 [ 4076.055901] [] ? __sys_sendmsg+0xdd/0x167 [ 4076.071003] [] ? SyS_shutdown+0x29/0x29 [ 4076.086715] [] SyS_sendmsg+0x3a/0x4f [ 4076.103096] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4076.122222] ================================================================================ [ 4076.149278] ================================================================================ [ 4076.173928] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:5228:37 [ 4076.189989] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4076.216075] which requires 64 byte alignment [ 4076.228194] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4076.248738] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4076.273166] 00000000ffffffff 00000000f797e7aa ffff88005a45ec70 ffffffffb26ec5cc [ 4076.292701] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4076.313350] ffff880000000010 ffff88005a45ec98 ffff88005a45ec48 ffffffffb363c3e0 [ 4076.336431] Call Trace: [ 4076.343216] [] dump_stack+0xd7/0x132 [ 4076.358589] [] ? arch_local_irq_restore+0x1b/0x1b [ 4076.377564] [] ubsan_epilogue+0x12/0x53 [ 4076.394658] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4076.412223] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4076.431983] [] ? nla_put+0x92/0xa0 [ 4076.445170] [] inet6_fill_ifinfo+0x3ab/0x72b [ 4076.463132] [] ? inet6_fill_link_af+0x87/0x87 [ 4076.479257] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 4076.499136] [] ? arch_local_irq_restore+0x6/0xd [ 4076.514616] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4076.533354] [] inet6_ifinfo_notify+0xa1/0x11f [ 4076.549032] [] addrconf_notify+0x13e3/0x166a [ 4076.563396] [] ? ip6mr_device_event+0x249/0x287 [ 4076.580640] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4076.595674] [] ? mif6_delete+0x482/0x482 [ 4076.608123] [] notifier_call_chain+0xd2/0x184 [ 4076.626342] [] ? notifier_call_chain+0xd2/0x184 [ 4076.640623] [] raw_notifier_call_chain+0x35/0x37 [ 4076.656858] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4076.677911] [] call_netdevice_notifiers+0x75/0x97 [ 4076.696404] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4076.717391] [] __dev_notify_flags+0x12b/0x1c3 [ 4076.734085] [] ? dev_change_name+0x519/0x519 [ 4076.753276] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4076.769599] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4076.795234] [] dev_change_flags+0xfb/0x10f [ 4076.809702] [] do_setlink+0xb05/0x2647 [ 4076.824447] [] ? univ8250_console_setup+0x15a/0x15a [ 4076.843879] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4076.861181] [] ? console_unlock+0x6a9/0x6b8 [ 4076.880523] [] ? vprintk_emit+0x636/0x647 [ 4076.897201] [] ? vprintk_default+0x65/0x6e [ 4076.913464] [] ? ubsan_epilogue+0x26/0x53 [ 4076.928720] [] ? arch_local_irq_restore+0x6/0xd [ 4076.949143] [] ? validate_linkmsg+0x462/0x4a0 [ 4076.967143] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4076.983365] [] rtnl_newlink+0x98a/0x1165 [ 4077.001119] [] ? rtnl_newlink+0x4db/0x1165 [ 4077.017290] [] ? rtnl_newlink+0x457/0x1165 [ 4077.034333] [] ? rtnl_link_unregister+0x20d/0x20d [ 4077.053987] [] ? save_stack+0xc4/0xce [ 4077.072880] [] ? save_stack_trace+0x31/0xf1 [ 4077.087325] [] ? save_stack+0x46/0xce [ 4077.103484] [] ? security_capable+0xaa/0xb9 [ 4077.120282] [] ? ns_capable_common+0x149/0x153 [ 4077.136691] [] ? __netlink_ns_capable+0xf3/0xff [ 4077.156637] [] ? rtnl_link_unregister+0x20d/0x20d [ 4077.173549] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4077.192049] [] ? rtnl_newlink+0x1165/0x1165 [ 4077.210468] [] ? mutex_set_owner+0x8e/0xc6 [ 4077.224856] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4077.244133] [] ? rtnl_newlink+0x1165/0x1165 [ 4077.261331] [] netlink_rcv_skb+0x173/0x25b [ 4077.279771] [] rtnetlink_rcv+0x28/0x2f [ 4077.297322] [] netlink_unicast+0x3fc/0x503 [ 4077.312015] [] ? netlink_sendskb+0x35/0x35 [ 4077.329728] [] netlink_sendmsg+0x860/0x877 [ 4077.345301] [] ? netlink_unicast+0x503/0x503 [ 4077.360362] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4077.378606] [] ? netlink_unicast+0x503/0x503 [ 4077.396423] [] sock_sendmsg+0xe9/0x116 [ 4077.412177] [] ? ___sys_sendmsg+0x40c/0x789 [ 4077.428617] [] ___sys_sendmsg+0x5de/0x789 [ 4077.444802] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4077.460774] [] ? vm_normal_page+0x1aa/0x1aa [ 4077.477483] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4077.497210] [] ? compound_head+0x4e/0x56 [ 4077.513426] [] ? handle_mm_fault+0x1e11/0x2102 [ 4077.531162] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4077.547945] [] ? __fget_light+0xe6/0xf0 [ 4077.563672] [] __sys_sendmsg+0xdd/0x167 [ 4077.580326] [] ? __sys_sendmsg+0xdd/0x167 [ 4077.598745] [] ? SyS_shutdown+0x29/0x29 [ 4077.613337] [] SyS_sendmsg+0x3a/0x4f [ 4077.628511] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4077.644128] ================================================================================ [ 4077.671503] ================================================================================ [ 4077.695034] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:5229:6 [ 4077.713386] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4077.734782] which requires 64 byte alignment [ 4077.751149] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4077.769029] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4077.795782] 00000000ffffffff 00000000f797e7aa ffff88005a45ec70 ffffffffb26ec5cc [ 4077.816685] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4077.834836] ffff880000000010 ffff88005a45ec98 ffff88005a45ec48 ffffffffb363c3e0 [ 4077.857014] Call Trace: [ 4077.862563] [] dump_stack+0xd7/0x132 [ 4077.876643] [] ? arch_local_irq_restore+0x1b/0x1b [ 4077.896363] [] ubsan_epilogue+0x12/0x53 [ 4077.909460] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4077.928252] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4077.949026] [] ? nla_put+0x92/0xa0 [ 4077.961622] [] inet6_fill_ifinfo+0x325/0x72b [ 4077.978688] [] ? inet6_fill_link_af+0x87/0x87 [ 4077.996236] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 4078.013966] [] ? arch_local_irq_restore+0x6/0xd [ 4078.032807] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4078.053242] [] inet6_ifinfo_notify+0xa1/0x11f [ 4078.070424] [] addrconf_notify+0x13e3/0x166a [ 4078.085959] [] ? ip6mr_device_event+0x249/0x287 [ 4078.103888] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4078.124462] [] ? mif6_delete+0x482/0x482 [ 4078.138613] [] notifier_call_chain+0xd2/0x184 [ 4078.155702] [] ? notifier_call_chain+0xd2/0x184 [ 4078.174213] [] raw_notifier_call_chain+0x35/0x37 [ 4078.190031] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4078.209542] [] call_netdevice_notifiers+0x75/0x97 [ 4078.228094] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4078.245263] [] __dev_notify_flags+0x12b/0x1c3 [ 4078.264575] [] ? dev_change_name+0x519/0x519 [ 4078.278958] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4078.297015] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4078.317409] [] dev_change_flags+0xfb/0x10f [ 4078.335024] [] do_setlink+0xb05/0x2647 [ 4078.353307] [] ? univ8250_console_setup+0x15a/0x15a [ 4078.370046] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4078.387110] [] ? console_unlock+0x6a9/0x6b8 [ 4078.403748] [] ? vprintk_emit+0x636/0x647 [ 4078.420429] [] ? vprintk_default+0x65/0x6e [ 4078.436348] [] ? ubsan_epilogue+0x26/0x53 [ 4078.454527] [] ? arch_local_irq_restore+0x6/0xd [ 4078.474510] [] ? validate_linkmsg+0x462/0x4a0 [ 4078.490368] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4078.507161] [] rtnl_newlink+0x98a/0x1165 [ 4078.524073] [] ? rtnl_newlink+0x4db/0x1165 [ 4078.538815] [] ? rtnl_newlink+0x457/0x1165 [ 4078.556203] [] ? rtnl_link_unregister+0x20d/0x20d [ 4078.573946] [] ? save_stack+0xc4/0xce [ 4078.587575] [] ? save_stack_trace+0x31/0xf1 [ 4078.606026] [] ? save_stack+0x46/0xce [ 4078.620727] [] ? security_capable+0xaa/0xb9 [ 4078.636750] [] ? ns_capable_common+0x149/0x153 [ 4078.655149] [] ? __netlink_ns_capable+0xf3/0xff [ 4078.671869] [] ? rtnl_link_unregister+0x20d/0x20d [ 4078.689229] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4078.704457] [] ? rtnl_newlink+0x1165/0x1165 [ 4078.721029] [] ? mutex_set_owner+0x8e/0xc6 [ 4078.738197] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4078.760796] [] ? rtnl_newlink+0x1165/0x1165 [ 4078.781500] [] netlink_rcv_skb+0x173/0x25b [ 4078.800256] [] rtnetlink_rcv+0x28/0x2f [ 4078.816134] [] netlink_unicast+0x3fc/0x503 [ 4078.835599] [] ? netlink_sendskb+0x35/0x35 [ 4078.850607] [] netlink_sendmsg+0x860/0x877 [ 4078.865472] [] ? netlink_unicast+0x503/0x503 [ 4078.881780] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4078.902010] [] ? netlink_unicast+0x503/0x503 [ 4078.918650] [] sock_sendmsg+0xe9/0x116 [ 4078.935123] [] ? ___sys_sendmsg+0x40c/0x789 [ 4078.952244] [] ___sys_sendmsg+0x5de/0x789 [ 4078.966531] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4078.986163] [] ? vm_normal_page+0x1aa/0x1aa [ 4079.002682] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4079.024067] [] ? compound_head+0x4e/0x56 [ 4079.041018] [] ? handle_mm_fault+0x1e11/0x2102 [ 4079.059043] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4079.077573] [] ? __fget_light+0xe6/0xf0 [ 4079.094326] [] __sys_sendmsg+0xdd/0x167 [ 4079.108008] [] ? __sys_sendmsg+0xdd/0x167 [ 4079.124650] [] ? SyS_shutdown+0x29/0x29 [ 4079.142400] [] SyS_sendmsg+0x3a/0x4f [ 4079.156738] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4079.174872] ================================================================================ [ 4079.199396] ================================================================================ [ 4079.223258] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:5230:10 [ 4079.240770] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4079.266065] which requires 64 byte alignment [ 4079.282050] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4079.299643] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4079.324713] 00000000ffffffff 00000000f797e7aa ffff88005a45ec70 ffffffffb26ec5cc [ 4079.347975] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4079.368158] ffff880000000010 ffff88005a45ec98 ffff88005a45ec48 ffffffffb363c3e0 [ 4079.389617] Call Trace: [ 4079.399224] [] dump_stack+0xd7/0x132 [ 4079.413705] [] ? arch_local_irq_restore+0x1b/0x1b [ 4079.429583] [] ubsan_epilogue+0x12/0x53 [ 4079.445232] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4079.468035] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4079.488762] [] ? nla_put+0x92/0xa0 [ 4079.502503] [] inet6_fill_ifinfo+0x3ee/0x72b [ 4079.519427] [] ? inet6_fill_link_af+0x87/0x87 [ 4079.535772] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 4079.556261] [] ? arch_local_irq_restore+0x6/0xd [ 4079.575268] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4079.596332] [] inet6_ifinfo_notify+0xa1/0x11f [ 4079.614703] [] addrconf_notify+0x13e3/0x166a [ 4079.629277] [] ? ip6mr_device_event+0x249/0x287 [ 4079.652437] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4079.670302] [] ? mif6_delete+0x482/0x482 [ 4079.684716] [] notifier_call_chain+0xd2/0x184 [ 4079.702501] [] ? notifier_call_chain+0xd2/0x184 [ 4079.721385] [] raw_notifier_call_chain+0x35/0x37 [ 4079.739080] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4079.761448] [] call_netdevice_notifiers+0x75/0x97 [ 4079.779447] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4079.799534] [] __dev_notify_flags+0x12b/0x1c3 [ 4079.816702] [] ? dev_change_name+0x519/0x519 [ 4079.831870] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4079.847956] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4079.865702] [] dev_change_flags+0xfb/0x10f [ 4079.882395] [] do_setlink+0xb05/0x2647 [ 4079.899361] [] ? univ8250_console_setup+0x15a/0x15a [ 4079.918121] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4079.936700] [] ? console_unlock+0x6a9/0x6b8 [ 4079.956126] [] ? vprintk_emit+0x636/0x647 [ 4079.974352] [] ? vprintk_default+0x65/0x6e [ 4079.988741] [] ? ubsan_epilogue+0x26/0x53 [ 4080.007006] [] ? arch_local_irq_restore+0x6/0xd [ 4080.024249] [] ? validate_linkmsg+0x462/0x4a0 [ 4080.040604] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4080.056536] [] rtnl_newlink+0x98a/0x1165 [ 4080.074045] [] ? rtnl_newlink+0x4db/0x1165 [ 4080.091456] [] ? rtnl_newlink+0x457/0x1165 [ 4080.104849] [] ? rtnl_link_unregister+0x20d/0x20d [ 4080.123498] [] ? save_stack+0xc4/0xce [ 4080.141074] [] ? save_stack_trace+0x31/0xf1 [ 4080.157540] [] ? save_stack+0x46/0xce [ 4080.174122] [] ? security_capable+0xaa/0xb9 [ 4080.192506] [] ? ns_capable_common+0x149/0x153 [ 4080.213864] [] ? __netlink_ns_capable+0xf3/0xff [ 4080.229855] [] ? rtnl_link_unregister+0x20d/0x20d [ 4080.249406] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4080.265602] [] ? rtnl_newlink+0x1165/0x1165 [ 4080.285072] [] ? mutex_set_owner+0x8e/0xc6 [ 4080.302149] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4080.322244] [] ? rtnl_newlink+0x1165/0x1165 [ 4080.339782] [] netlink_rcv_skb+0x173/0x25b [ 4080.354529] [] rtnetlink_rcv+0x28/0x2f [ 4080.367880] [] netlink_unicast+0x3fc/0x503 [ 4080.384208] [] ? netlink_sendskb+0x35/0x35 [ 4080.402636] [] netlink_sendmsg+0x860/0x877 [ 4080.418409] [] ? netlink_unicast+0x503/0x503 [ 4080.433729] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4080.450784] [] ? netlink_unicast+0x503/0x503 [ 4080.464060] [] sock_sendmsg+0xe9/0x116 [ 4080.481188] [] ? ___sys_sendmsg+0x40c/0x789 [ 4080.499220] [] ___sys_sendmsg+0x5de/0x789 [ 4080.515030] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4080.531775] [] ? vm_normal_page+0x1aa/0x1aa [ 4080.547481] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4080.572004] [] ? compound_head+0x4e/0x56 [ 4080.584307] [] ? handle_mm_fault+0x1e11/0x2102 [ 4080.600529] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4080.619984] [] ? __fget_light+0xe6/0xf0 [ 4080.635610] [] __sys_sendmsg+0xdd/0x167 [ 4080.650782] [] ? __sys_sendmsg+0xdd/0x167 [ 4080.668702] [] ? SyS_shutdown+0x29/0x29 [ 4080.681550] [] SyS_sendmsg+0x3a/0x4f [ 4080.698183] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4080.717254] ================================================================================ [ 4080.739496] ================================================================================ [ 4080.764326] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:5233:34 [ 4080.781726] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4080.806168] which requires 64 byte alignment [ 4080.821080] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4080.840631] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4080.869760] 00000000ffffffff 00000000f797e7aa ffff88005a45ec70 ffffffffb26ec5cc [ 4080.894426] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4080.912773] 0000000000000010 ffff88005a45ec98 ffff88005a45ec48 ffffffffb363c3e0 [ 4080.934206] Call Trace: [ 4080.939708] [] dump_stack+0xd7/0x132 [ 4080.967196] [] ? arch_local_irq_restore+0x1b/0x1b [ 4080.984174] [] ubsan_epilogue+0x12/0x53 [ 4081.000684] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4081.019266] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4081.039658] [] inet6_fill_ifinfo+0x496/0x72b [ 4081.058309] [] ? inet6_fill_link_af+0x87/0x87 [ 4081.073752] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 4081.091336] [] ? arch_local_irq_restore+0x6/0xd [ 4081.105616] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4081.125576] [] inet6_ifinfo_notify+0xa1/0x11f [ 4081.144132] [] addrconf_notify+0x13e3/0x166a [ 4081.160530] [] ? ip6mr_device_event+0x249/0x287 [ 4081.180247] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4081.197940] [] ? mif6_delete+0x482/0x482 [ 4081.211614] [] notifier_call_chain+0xd2/0x184 [ 4081.226664] [] ? notifier_call_chain+0xd2/0x184 [ 4081.242018] [] raw_notifier_call_chain+0x35/0x37 [ 4081.259560] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4081.277517] [] call_netdevice_notifiers+0x75/0x97 [ 4081.297216] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4081.313526] [] __dev_notify_flags+0x12b/0x1c3 [ 4081.328139] [] ? dev_change_name+0x519/0x519 [ 4081.342109] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4081.358513] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4081.378122] [] dev_change_flags+0xfb/0x10f [ 4081.392531] [] do_setlink+0xb05/0x2647 [ 4081.405059] [] ? univ8250_console_setup+0x15a/0x15a [ 4081.423328] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4081.441088] [] ? console_unlock+0x6a9/0x6b8 [ 4081.457634] [] ? vprintk_emit+0x636/0x647 [ 4081.472659] [] ? vprintk_default+0x65/0x6e [ 4081.486408] [] ? ubsan_epilogue+0x26/0x53 [ 4081.501119] [] ? arch_local_irq_restore+0x6/0xd [ 4081.518857] [] ? validate_linkmsg+0x462/0x4a0 [ 4081.532448] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4081.546829] [] rtnl_newlink+0x98a/0x1165 [ 4081.561004] [] ? rtnl_newlink+0x4db/0x1165 [ 4081.577406] [] ? rtnl_newlink+0x457/0x1165 [ 4081.594965] [] ? rtnl_link_unregister+0x20d/0x20d [ 4081.612062] [] ? save_stack+0xc4/0xce [ 4081.627218] [] ? save_stack_trace+0x31/0xf1 [ 4081.642254] [] ? save_stack+0x46/0xce [ 4081.656445] [] ? security_capable+0xaa/0xb9 [ 4081.673612] [] ? ns_capable_common+0x149/0x153 [ 4081.688821] [] ? __netlink_ns_capable+0xf3/0xff [ 4081.706573] [] ? rtnl_link_unregister+0x20d/0x20d [ 4081.728388] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4081.743142] [] ? rtnl_newlink+0x1165/0x1165 [ 4081.759690] [] ? mutex_set_owner+0x8e/0xc6 [ 4081.779265] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4081.798608] [] ? rtnl_newlink+0x1165/0x1165 [ 4081.815235] [] netlink_rcv_skb+0x173/0x25b [ 4081.831459] [] rtnetlink_rcv+0x28/0x2f [ 4081.844277] [] netlink_unicast+0x3fc/0x503 [ 4081.859961] [] ? netlink_sendskb+0x35/0x35 [ 4081.875778] [] netlink_sendmsg+0x860/0x877 [ 4081.894227] [] ? netlink_unicast+0x503/0x503 [ 4081.910191] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4081.929335] [] ? netlink_unicast+0x503/0x503 [ 4081.945508] [] sock_sendmsg+0xe9/0x116 [ 4081.958877] [] ? ___sys_sendmsg+0x40c/0x789 [ 4081.978057] [] ___sys_sendmsg+0x5de/0x789 [ 4081.992652] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4082.008725] [] ? vm_normal_page+0x1aa/0x1aa [ 4082.024767] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4082.048672] [] ? compound_head+0x4e/0x56 [ 4082.061073] [] ? handle_mm_fault+0x1e11/0x2102 [ 4082.076645] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4082.098365] [] ? __fget_light+0xe6/0xf0 [ 4082.112827] [] __sys_sendmsg+0xdd/0x167 [ 4082.131929] [] ? __sys_sendmsg+0xdd/0x167 [ 4082.146421] [] ? SyS_shutdown+0x29/0x29 [ 4082.159518] [] SyS_sendmsg+0x3a/0x4f [ 4082.175818] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4082.193322] ================================================================================ [ 4082.220581] ================================================================================ [ 4082.243955] UBSAN: Undefined behaviour in ./include/linux/unaligned/access_ok.h:49:17 [ 4082.267071] store to misaligned address ffff88005ad39cfc for type '__le64' [ 4082.283116] which requires 8 byte alignment [ 4082.295946] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4082.315540] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4082.349817] 00000000ffffffff 00000000f797e7aa ffff88005a45eb38 ffffffffb26ec5cc [ 4082.389241] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4082.412805] 0000000000000010 ffff88005a45eb60 ffff88005a45eb10 ffffffffb363c3e0 [ 4082.434408] Call Trace: [ 4082.440363] [] dump_stack+0xd7/0x132 [ 4082.455221] [] ? arch_local_irq_restore+0x1b/0x1b [ 4082.474337] [] ubsan_epilogue+0x12/0x53 [ 4082.488786] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4082.508476] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4082.527719] [] ? __nla_reserve+0xfb/0x109 [ 4082.541421] [] ? nla_reserve+0x8a/0x9a [ 4082.556573] [] inet6_fill_ifla6_attrs+0x1701/0x18c6 [ 4082.573127] [] ? inet6_validate_link_af+0x15c/0x15c [ 4082.588655] [] ? skb_put+0x1ab/0x1b9 [ 4082.604376] [] ? memset+0x31/0x38 [ 4082.618086] [] ? __nla_reserve+0xfb/0x109 [ 4082.634599] [] ? memcpy+0x45/0x4c [ 4082.647407] [] ? nla_put+0x92/0xa0 [ 4082.660390] [] inet6_fill_ifinfo+0x585/0x72b [ 4082.676970] [] ? inet6_fill_link_af+0x87/0x87 [ 4082.693811] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 4082.711935] [] ? arch_local_irq_restore+0x6/0xd [ 4082.727765] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4082.748502] [] inet6_ifinfo_notify+0xa1/0x11f [ 4082.762851] [] addrconf_notify+0x13e3/0x166a [ 4082.777573] [] ? ip6mr_device_event+0x249/0x287 [ 4082.795204] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4082.812058] [] ? mif6_delete+0x482/0x482 [ 4082.825225] [] notifier_call_chain+0xd2/0x184 [ 4082.839246] [] ? notifier_call_chain+0xd2/0x184 [ 4082.855925] [] raw_notifier_call_chain+0x35/0x37 [ 4082.873276] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4082.893383] [] call_netdevice_notifiers+0x75/0x97 [ 4082.909121] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4082.928250] [] __dev_notify_flags+0x12b/0x1c3 [ 4082.947332] [] ? dev_change_name+0x519/0x519 [ 4082.964722] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4082.983873] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4083.004413] [] dev_change_flags+0xfb/0x10f [ 4083.019795] [] do_setlink+0xb05/0x2647 [ 4083.033377] [] ? univ8250_console_setup+0x15a/0x15a [ 4083.050061] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4083.065410] [] ? console_unlock+0x6a9/0x6b8 [ 4083.080698] [] ? vprintk_emit+0x636/0x647 [ 4083.095714] [] ? vprintk_default+0x65/0x6e [ 4083.112179] [] ? ubsan_epilogue+0x26/0x53 [ 4083.127030] [] ? arch_local_irq_restore+0x6/0xd [ 4083.141214] [] ? validate_linkmsg+0x462/0x4a0 [ 4083.157512] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4083.174794] [] rtnl_newlink+0x98a/0x1165 [ 4083.189846] [] ? rtnl_newlink+0x4db/0x1165 [ 4083.202707] [] ? rtnl_newlink+0x457/0x1165 [ 4083.220431] [] ? rtnl_link_unregister+0x20d/0x20d [ 4083.237675] [] ? save_stack+0xc4/0xce [ 4083.255738] [] ? save_stack_trace+0x31/0xf1 [ 4083.271584] [] ? save_stack+0x46/0xce [ 4083.286302] [] ? security_capable+0xaa/0xb9 [ 4083.303067] [] ? ns_capable_common+0x149/0x153 [ 4083.320556] [] ? __netlink_ns_capable+0xf3/0xff [ 4083.335494] [] ? rtnl_link_unregister+0x20d/0x20d [ 4083.351733] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4083.364851] [] ? rtnl_newlink+0x1165/0x1165 [ 4083.382106] [] ? mutex_set_owner+0x8e/0xc6 [ 4083.397121] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4083.415886] [] ? rtnl_newlink+0x1165/0x1165 [ 4083.432820] [] netlink_rcv_skb+0x173/0x25b [ 4083.447419] [] rtnetlink_rcv+0x28/0x2f [ 4083.461501] [] netlink_unicast+0x3fc/0x503 [ 4083.477899] [] ? netlink_sendskb+0x35/0x35 [ 4083.494005] [] netlink_sendmsg+0x860/0x877 [ 4083.509270] [] ? netlink_unicast+0x503/0x503 [ 4083.524115] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4083.541500] [] ? netlink_unicast+0x503/0x503 [ 4083.555876] [] sock_sendmsg+0xe9/0x116 [ 4083.571924] [] ? ___sys_sendmsg+0x40c/0x789 [ 4083.585995] [] ___sys_sendmsg+0x5de/0x789 [ 4083.601714] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4083.617643] [] ? vm_normal_page+0x1aa/0x1aa [ 4083.633774] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4083.653337] [] ? compound_head+0x4e/0x56 [ 4083.667748] [] ? handle_mm_fault+0x1e11/0x2102 [ 4083.681621] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4083.697685] [] ? __fget_light+0xe6/0xf0 [ 4083.712763] [] __sys_sendmsg+0xdd/0x167 [ 4083.729188] [] ? __sys_sendmsg+0xdd/0x167 [ 4083.744799] [] ? SyS_shutdown+0x29/0x29 [ 4083.758110] [] SyS_sendmsg+0x3a/0x4f [ 4083.771442] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4083.786334] ================================================================================ [ 4083.814517] ================================================================================ [ 4083.838514] UBSAN: Undefined behaviour in ./include/linux/unaligned/access_ok.h:49:17 [ 4083.858727] store to misaligned address ffff88005ad39d04 for type '__le64' [ 4083.876234] which requires 8 byte alignment [ 4083.887775] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4083.910909] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4083.938794] 00000000ffffffff 00000000f797e7aa ffff88005a45eb38 ffffffffb26ec5cc [ 4083.958365] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4083.980537] ffffffff00000010 ffff88005a45eb60 ffff88005a45eb10 ffffffffb363c3e0 [ 4084.000373] Call Trace: [ 4084.005653] [] dump_stack+0xd7/0x132 [ 4084.021039] [] ? arch_local_irq_restore+0x1b/0x1b [ 4084.039831] [] ubsan_epilogue+0x12/0x53 [ 4084.055369] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4084.076958] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4084.097510] [] ? __nla_reserve+0xfb/0x109 [ 4084.112549] [] ? nla_reserve+0x8a/0x9a [ 4084.126542] [] inet6_fill_ifla6_attrs+0x1767/0x18c6 [ 4084.143541] [] ? inet6_validate_link_af+0x15c/0x15c [ 4084.159660] [] ? skb_put+0x1ab/0x1b9 [ 4084.173099] [] ? memset+0x31/0x38 [ 4084.184758] [] ? __nla_reserve+0xfb/0x109 [ 4084.200745] [] ? memcpy+0x45/0x4c [ 4084.214575] [] ? nla_put+0x92/0xa0 [ 4084.231396] [] inet6_fill_ifinfo+0x585/0x72b [ 4084.246800] [] ? inet6_fill_link_af+0x87/0x87 [ 4084.261297] [] ? __kmalloc_reserve.isra.15+0xa8/0xa8 [ 4084.278037] [] ? arch_local_irq_restore+0x6/0xd [ 4084.296074] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4084.314726] [] inet6_ifinfo_notify+0xa1/0x11f [ 4084.328851] [] addrconf_notify+0x13e3/0x166a [ 4084.342936] [] ? ip6mr_device_event+0x249/0x287 [ 4084.359491] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4084.375473] [] ? mif6_delete+0x482/0x482 [ 4084.388949] [] notifier_call_chain+0xd2/0x184 [ 4084.406422] [] ? notifier_call_chain+0xd2/0x184 [ 4084.421055] [] raw_notifier_call_chain+0x35/0x37 [ 4084.439931] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4084.457192] [] call_netdevice_notifiers+0x75/0x97 [ 4084.478121] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4084.495554] [] __dev_notify_flags+0x12b/0x1c3 [ 4084.510267] [] ? dev_change_name+0x519/0x519 [ 4084.525648] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4084.541419] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4084.559361] [] dev_change_flags+0xfb/0x10f [ 4084.574162] [] do_setlink+0xb05/0x2647 [ 4084.586590] [] ? univ8250_console_setup+0x15a/0x15a [ 4084.604903] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4084.622321] [] ? console_unlock+0x6a9/0x6b8 [ 4084.638148] [] ? vprintk_emit+0x636/0x647 [ 4084.651725] [] ? vprintk_default+0x65/0x6e [ 4084.665035] [] ? ubsan_epilogue+0x26/0x53 [ 4084.681490] [] ? arch_local_irq_restore+0x6/0xd [ 4084.696701] [] ? validate_linkmsg+0x462/0x4a0 [ 4084.711075] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4084.725589] [] rtnl_newlink+0x98a/0x1165 [ 4084.738276] [] ? rtnl_newlink+0x4db/0x1165 [ 4084.753766] [] ? rtnl_newlink+0x457/0x1165 [ 4084.767373] [] ? rtnl_link_unregister+0x20d/0x20d [ 4084.783464] [] ? save_stack+0xc4/0xce [ 4084.799899] [] ? save_stack_trace+0x31/0xf1 [ 4084.816077] [] ? save_stack+0x46/0xce [ 4084.833462] [] ? security_capable+0xaa/0xb9 [ 4084.847478] [] ? ns_capable_common+0x149/0x153 [ 4084.864240] [] ? __netlink_ns_capable+0xf3/0xff [ 4084.883270] [] ? rtnl_link_unregister+0x20d/0x20d [ 4084.901157] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4084.917650] [] ? rtnl_newlink+0x1165/0x1165 [ 4084.934319] [] ? mutex_set_owner+0x8e/0xc6 [ 4084.951089] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4084.967854] [] ? rtnl_newlink+0x1165/0x1165 [ 4084.983538] [] netlink_rcv_skb+0x173/0x25b [ 4085.000635] [] rtnetlink_rcv+0x28/0x2f [ 4085.016812] [] netlink_unicast+0x3fc/0x503 [ 4085.031302] [] ? netlink_sendskb+0x35/0x35 [ 4085.047074] [] netlink_sendmsg+0x860/0x877 [ 4085.059843] [] ? netlink_unicast+0x503/0x503 [ 4085.076556] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4085.095448] [] ? netlink_unicast+0x503/0x503 [ 4085.108688] [] sock_sendmsg+0xe9/0x116 [ 4085.122093] [] ? ___sys_sendmsg+0x40c/0x789 [ 4085.136468] [] ___sys_sendmsg+0x5de/0x789 [ 4085.155328] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4085.172361] [] ? vm_normal_page+0x1aa/0x1aa [ 4085.185476] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4085.204183] [] ? compound_head+0x4e/0x56 [ 4085.217454] [] ? handle_mm_fault+0x1e11/0x2102 [ 4085.234952] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4085.252831] [] ? __fget_light+0xe6/0xf0 [ 4085.266419] [] __sys_sendmsg+0xdd/0x167 [ 4085.280442] [] ? __sys_sendmsg+0xdd/0x167 [ 4085.297493] [] ? SyS_shutdown+0x29/0x29 [ 4085.310736] [] SyS_sendmsg+0x3a/0x4f [ 4085.324128] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4085.339843] ================================================================================ [ 4085.365438] ================================================================================ [ 4085.392148] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:3426:11 [ 4085.409356] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4085.432171] which requires 64 byte alignment [ 4085.442973] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4085.461305] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4085.485732] 00000000ffffffff 00000000f797e7aa ffff88005a45edd8 ffffffffb26ec5cc [ 4085.503980] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4085.522931] 0000000000000010 ffff88005a45ee00 ffff88005a45edb0 ffffffffb363c3e0 [ 4085.543225] Call Trace: [ 4085.548624] [] dump_stack+0xd7/0x132 [ 4085.561260] [] ? arch_local_irq_restore+0x1b/0x1b [ 4085.577376] [] ubsan_epilogue+0x12/0x53 [ 4085.591220] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4085.610074] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4085.633287] [] ? rtnl_notify+0xb7/0xc4 [ 4085.647927] [] addrconf_notify+0x13fd/0x166a [ 4085.662605] [] ? ip6mr_device_event+0x249/0x287 [ 4085.679365] [] ? inet6_ifinfo_notify+0x11f/0x11f [ 4085.695915] [] ? mif6_delete+0x482/0x482 [ 4085.711734] [] notifier_call_chain+0xd2/0x184 [ 4085.726429] [] ? notifier_call_chain+0xd2/0x184 [ 4085.743643] [] raw_notifier_call_chain+0x35/0x37 [ 4085.759882] [] call_netdevice_notifiers_info+0x7c/0x83 [ 4085.782502] [] call_netdevice_notifiers+0x75/0x97 [ 4085.800449] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4085.819294] [] __dev_notify_flags+0x12b/0x1c3 [ 4085.835519] [] ? dev_change_name+0x519/0x519 [ 4085.852199] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4085.868088] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4085.886519] [] dev_change_flags+0xfb/0x10f [ 4085.905586] [] do_setlink+0xb05/0x2647 [ 4085.921926] [] ? univ8250_console_setup+0x15a/0x15a [ 4085.940210] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4085.963401] [] ? console_unlock+0x6a9/0x6b8 [ 4085.979989] [] ? vprintk_emit+0x636/0x647 [ 4086.002098] [] ? vprintk_default+0x65/0x6e [ 4086.017776] [] ? ubsan_epilogue+0x26/0x53 [ 4086.032612] [] ? arch_local_irq_restore+0x6/0xd [ 4086.049762] [] ? validate_linkmsg+0x462/0x4a0 [ 4086.065241] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4086.078278] [] rtnl_newlink+0x98a/0x1165 [ 4086.093385] [] ? rtnl_newlink+0x4db/0x1165 [ 4086.107567] [] ? rtnl_newlink+0x457/0x1165 [ 4086.124265] [] ? rtnl_link_unregister+0x20d/0x20d [ 4086.143051] [] ? save_stack+0xc4/0xce [ 4086.158893] [] ? save_stack_trace+0x31/0xf1 [ 4086.177451] [] ? save_stack+0x46/0xce [ 4086.191301] [] ? security_capable+0xaa/0xb9 [ 4086.204629] [] ? ns_capable_common+0x149/0x153 [ 4086.219801] [] ? __netlink_ns_capable+0xf3/0xff [ 4086.234502] [] ? rtnl_link_unregister+0x20d/0x20d [ 4086.250277] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4086.264312] [] ? rtnl_newlink+0x1165/0x1165 [ 4086.279980] [] ? mutex_set_owner+0x8e/0xc6 [ 4086.298441] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4086.321433] [] ? rtnl_newlink+0x1165/0x1165 [ 4086.336827] [] netlink_rcv_skb+0x173/0x25b [ 4086.354044] [] rtnetlink_rcv+0x28/0x2f [ 4086.367923] [] netlink_unicast+0x3fc/0x503 [ 4086.383351] [] ? netlink_sendskb+0x35/0x35 [ 4086.400400] [] netlink_sendmsg+0x860/0x877 [ 4086.415496] [] ? netlink_unicast+0x503/0x503 [ 4086.433820] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4086.451611] [] ? netlink_unicast+0x503/0x503 [ 4086.466775] [] sock_sendmsg+0xe9/0x116 [ 4086.481150] [] ? ___sys_sendmsg+0x40c/0x789 [ 4086.496956] [] ___sys_sendmsg+0x5de/0x789 [ 4086.509661] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4086.526480] [] ? vm_normal_page+0x1aa/0x1aa [ 4086.540361] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4086.557786] [] ? compound_head+0x4e/0x56 [ 4086.576145] [] ? handle_mm_fault+0x1e11/0x2102 [ 4086.592444] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4086.610577] [] ? __fget_light+0xe6/0xf0 [ 4086.626637] [] __sys_sendmsg+0xdd/0x167 [ 4086.641366] [] ? __sys_sendmsg+0xdd/0x167 [ 4086.657055] [] ? SyS_shutdown+0x29/0x29 [ 4086.672929] [] SyS_sendmsg+0x3a/0x4f [ 4086.686687] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4086.701642] ================================================================================ [ 4086.724925] ================================================================================ [ 4086.748358] UBSAN: Undefined behaviour in net/core/dev.c:6439:9 [ 4086.762841] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4086.791295] which requires 64 byte alignment [ 4086.802083] CPU: 0 PID: 1464 Comm: ip Tainted: G L 4.8.11 #1 [ 4086.819871] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4086.843660] 00000000ffffffff 00000000f797e7aa ffff88005a45efe8 ffffffffb26ec5cc [ 4086.895390] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4086.953383] ffffffff00000010 ffff88005a45f010 ffff88005a45efc0 ffffffffb363c3e0 [ 4086.995304] Call Trace: [ 4087.017329] [] dump_stack+0xd7/0x132 [ 4087.030584] [] ? arch_local_irq_restore+0x1b/0x1b [ 4087.047583] [] ubsan_epilogue+0x12/0x53 [ 4087.064101] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4087.080236] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4087.099583] [] ? call_netdevice_notifiers_info+0x83/0x83 [ 4087.120313] [] __dev_notify_flags+0x149/0x1c3 [ 4087.134918] [] ? dev_change_name+0x519/0x519 [ 4087.152019] [] ? __dev_change_flags+0x2d9/0x2e9 [ 4087.170183] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4087.192140] [] dev_change_flags+0xfb/0x10f [ 4087.207020] [] do_setlink+0xb05/0x2647 [ 4087.223288] [] ? univ8250_console_setup+0x15a/0x15a [ 4087.240309] [] ? ndo_dflt_bridge_getlink+0x98b/0x98b [ 4087.258989] [] ? console_unlock+0x6a9/0x6b8 [ 4087.274662] [] ? vprintk_emit+0x636/0x647 [ 4087.288654] [] ? vprintk_default+0x65/0x6e [ 4087.304453] [] ? ubsan_epilogue+0x26/0x53 [ 4087.319506] [] ? arch_local_irq_restore+0x6/0xd [ 4087.336970] [] ? validate_linkmsg+0x462/0x4a0 [ 4087.353148] [] ? rtnl_fdb_del+0x5fd/0x5fd [ 4087.367421] [] rtnl_newlink+0x98a/0x1165 [ 4087.381745] [] ? rtnl_newlink+0x4db/0x1165 [ 4087.400211] [] ? rtnl_newlink+0x457/0x1165 [ 4087.420177] [] ? rtnl_link_unregister+0x20d/0x20d [ 4087.442038] [] ? save_stack+0xc4/0xce [ 4087.455975] [] ? save_stack_trace+0x31/0xf1 [ 4087.472500] [] ? save_stack+0x46/0xce [ 4087.485670] [] ? security_capable+0xaa/0xb9 [ 4087.500400] [] ? ns_capable_common+0x149/0x153 [ 4087.518574] [] ? __netlink_ns_capable+0xf3/0xff [ 4087.534855] [] ? rtnl_link_unregister+0x20d/0x20d [ 4087.552897] [] rtnetlink_rcv_msg+0x60f/0x664 [ 4087.568157] [] ? rtnl_newlink+0x1165/0x1165 [ 4087.584193] [] ? mutex_set_owner+0x8e/0xc6 [ 4087.602418] [] ? __mutex_fastpath_lock_retval+0x2e/0x2e [ 4087.622503] [] ? rtnl_newlink+0x1165/0x1165 [ 4087.635693] [] netlink_rcv_skb+0x173/0x25b [ 4087.651499] [] rtnetlink_rcv+0x28/0x2f [ 4087.663863] [] netlink_unicast+0x3fc/0x503 [ 4087.679219] [] ? netlink_sendskb+0x35/0x35 [ 4087.696452] [] netlink_sendmsg+0x860/0x877 [ 4087.713985] [] ? netlink_unicast+0x503/0x503 [ 4087.730216] [] ? security_socket_sendmsg+0xa5/0xb4 [ 4087.747330] [] ? netlink_unicast+0x503/0x503 [ 4087.762600] [] sock_sendmsg+0xe9/0x116 [ 4087.779012] [] ? ___sys_sendmsg+0x40c/0x789 [ 4087.794683] [] ___sys_sendmsg+0x5de/0x789 [ 4087.809247] [] ? copy_msghdr_from_user+0x3ae/0x3ae [ 4087.828111] [] ? vm_normal_page+0x1aa/0x1aa [ 4087.845025] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4087.866056] [] ? compound_head+0x4e/0x56 [ 4087.880634] [] ? handle_mm_fault+0x1e11/0x2102 [ 4087.898427] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4087.919646] [] ? __fget_light+0xe6/0xf0 [ 4087.936525] [] __sys_sendmsg+0xdd/0x167 [ 4087.952931] [] ? __sys_sendmsg+0xdd/0x167 [ 4087.972680] [] ? SyS_shutdown+0x29/0x29 [ 4087.993496] [] SyS_sendmsg+0x3a/0x4f [ 4088.008584] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4088.033401] ================================================================================ [ 4088.896115] ================================================================================ [ 4088.955555] UBSAN: Undefined behaviour in ./include/linux/inetdevice.h:222:9 [ 4088.999735] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 4089.047414] which requires 64 byte alignment [ 4089.084103] CPU: 2 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4089.136227] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4089.196251] 00000000ffffffff 0000000075109495 ffff8800a093fac8 ffffffffb26ec5cc [ 4089.252916] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4089.313037] ffff880000000010 ffff8800a093faf0 ffff8800a093faa0 ffffffffb363c3e0 [ 4089.357015] Call Trace: [ 4089.375966] [] dump_stack+0xd7/0x132 [ 4089.496175] [] ? arch_local_irq_restore+0x1b/0x1b [ 4089.532216] [] ubsan_epilogue+0x12/0x53 [ 4089.563558] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4089.606986] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4089.654983] [] devinet_ioctl+0x2ad/0xf80 [ 4089.687601] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 4089.734243] [] ? inet_ifa_byprefix+0x176/0x176 [ 4089.770617] [] ? __mutex_init+0x195/0x1d9 [ 4089.803563] [] ? test_ti_thread_flag+0x13/0x13 [ 4089.849041] [] ? apparmor_capget+0x261/0x261 [ 4089.889058] [] inet_ioctl+0x13c/0x1f8 [ 4089.916319] [] ? inet_ioctl+0x13c/0x1f8 [ 4089.973782] [] ? sock_do_ioctl+0x6e/0xad [ 4090.004628] [] sock_do_ioctl+0x7b/0xad [ 4090.076813] [] sock_ioctl+0x335/0x352 [ 4090.108687] [] ? compat_ifr_data_ioctl+0x15d/0x15d [ 4090.144013] [] vfs_ioctl+0xbf/0xdb [ 4090.183224] [] do_vfs_ioctl+0xdd6/0xf4e [ 4090.224913] [] ? get_unused_fd_flags+0xc4/0xc4 [ 4090.255749] [] ? ioctl_preallocate+0x209/0x209 [ 4090.305755] [] ? copy_user_overflow+0x33/0x33 [ 4090.343407] [] ? __sock_create+0x3e2/0x3f4 [ 4090.394919] [] ? security_file_ioctl+0xa5/0xb4 [ 4090.444277] [] SyS_ioctl+0x71/0xad [ 4090.485715] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4090.545685] ================================================================================ Internet Systems Consortium DHCP Client 4.2.2 Copyright 2004-2011 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ Cannot find device "eth0" [ 4091.102315] ================================================================================ [ 4091.127068] UBSAN: Undefined behaviour in net/packet/af_packet.c:3193:10 [ 4091.150714] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4091.178126] which requires 64 byte alignment [ 4091.191396] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4091.213271] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4091.248821] 00000000ffffffff 0000000075109495 ffff8800a093fc88 ffffffffb26ec5cc [ 4091.278403] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4091.300549] 0000000000000010 ffff8800a093fcb0 ffff8800a093fc60 ffffffffb363c3e0 [ 4091.324532] Call Trace: [ 4091.330785] [] dump_stack+0xd7/0x132 [ 4091.347602] [] ? arch_local_irq_restore+0x1b/0x1b [ 4091.370548] [] ubsan_epilogue+0x12/0x53 [ 4091.387319] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4091.405465] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4091.429312] [] ? ns_capable_common+0x149/0x153 [ 4091.447302] [] packet_create+0x24d/0x9e9 [ 4091.465222] [] ? tpacket_destruct_skb+0x38f/0x38f [ 4091.485168] [] __sock_create+0x280/0x3f4 [ 4091.503683] [] sock_create+0x92/0x9d [ 4091.520944] [] SYSC_socket+0x9c/0x157 [ 4091.542455] [] ? sock_create+0x9d/0x9d [ 4091.557024] [] SyS_socket+0x2f/0x31 [ 4091.572857] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4091.593518] ================================================================================ [ 4091.618659] ================================================================================ [ 4091.644886] UBSAN: Undefined behaviour in net/packet/af_packet.c:3194:11 [ 4091.666341] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4091.695697] which requires 64 byte alignment [ 4091.709415] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4091.731444] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4091.764276] 00000000ffffffff 0000000075109495 ffff8800a093fc88 ffffffffb26ec5cc [ 4091.789780] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4091.811883] ffffffff00000010 ffff8800a093fcb0 ffff8800a093fc60 ffffffffb363c3e0 [ 4091.835276] Call Trace: [ 4091.842268] [] dump_stack+0xd7/0x132 [ 4091.857039] [] ? arch_local_irq_restore+0x1b/0x1b [ 4091.879832] [] ubsan_epilogue+0x12/0x53 [ 4091.897328] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4091.920408] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4091.941048] [] ? ns_capable_common+0x149/0x153 [ 4091.961313] [] packet_create+0x27a/0x9e9 [ 4091.976412] [] ? tpacket_destruct_skb+0x38f/0x38f [ 4091.996493] [] __sock_create+0x280/0x3f4 [ 4092.012870] [] sock_create+0x92/0x9d [ 4092.029000] [] SYSC_socket+0x9c/0x157 [ 4092.045679] [] ? sock_create+0x9d/0x9d [ 4092.062202] [] SyS_socket+0x2f/0x31 [ 4092.079072] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4092.096513] ================================================================================ [ 4092.120790] ================================================================================ [ 4092.142786] UBSAN: Undefined behaviour in net/packet/af_packet.c:1219:29 [ 4092.163187] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4092.187832] which requires 64 byte alignment [ 4092.200470] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4092.223918] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4092.251709] 00000000ffffffff 0000000075109495 ffff8800a093fc88 ffffffffb26ec5cc [ 4092.275132] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4092.295939] ffffffff00000010 ffff8800a093fcb0 ffff8800a093fc60 ffffffffb363c3e0 [ 4092.320663] Call Trace: [ 4092.326883] [] dump_stack+0xd7/0x132 [ 4092.343857] [] ? arch_local_irq_restore+0x1b/0x1b [ 4092.364158] [] ubsan_epilogue+0x12/0x53 [ 4092.383772] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4092.408895] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4092.431155] [] ? ns_capable_common+0x149/0x153 [ 4092.450861] [] packet_create+0x2aa/0x9e9 [ 4092.468147] [] ? tpacket_destruct_skb+0x38f/0x38f [ 4092.488734] [] __sock_create+0x280/0x3f4 [ 4092.507539] [] sock_create+0x92/0x9d [ 4092.524438] [] SYSC_socket+0x9c/0x157 [ 4092.542029] [] ? sock_create+0x9d/0x9d [ 4092.556456] [] SyS_socket+0x2f/0x31 [ 4092.571503] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4092.589717] ================================================================================ [ 4092.615873] ================================================================================ [ 4092.646037] UBSAN: Undefined behaviour in net/packet/af_packet.c:1221:29 [ 4092.663538] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4092.692799] which requires 64 byte alignment [ 4092.703900] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4092.724469] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4092.754625] 00000000ffffffff 0000000075109495 ffff8800a093fc88 ffffffffb26ec5cc [ 4092.777380] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4092.800567] ffffffff00000010 ffff8800a093fcb0 ffff8800a093fc60 ffffffffb363c3e0 [ 4092.824210] Call Trace: [ 4092.831361] [] dump_stack+0xd7/0x132 [ 4092.847659] [] ? arch_local_irq_restore+0x1b/0x1b [ 4092.868030] [] ubsan_epilogue+0x12/0x53 [ 4092.881276] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4092.903415] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4092.924781] [] packet_create+0x2ec/0x9e9 [ 4092.944420] [] ? tpacket_destruct_skb+0x38f/0x38f [ 4092.965020] [] __sock_create+0x280/0x3f4 [ 4092.983593] [] sock_create+0x92/0x9d [ 4092.999980] [] SYSC_socket+0x9c/0x157 [ 4093.016252] [] ? sock_create+0x9d/0x9d [ 4093.032400] [] SyS_socket+0x2f/0x31 [ 4093.045472] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4093.063418] ================================================================================ [ 4093.088175] ================================================================================ [ 4093.114207] UBSAN: Undefined behaviour in net/packet/af_packet.c:1222:6 [ 4093.133481] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4093.160496] which requires 64 byte alignment [ 4093.173200] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4093.194685] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4093.222667] 00000000ffffffff 0000000075109495 ffff8800a093fc88 ffffffffb26ec5cc [ 4093.246625] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4093.270401] ffffffff00000010 ffff8800a093fcb0 ffff8800a093fc60 ffffffffb363c3e0 [ 4093.292137] Call Trace: [ 4093.298902] [] dump_stack+0xd7/0x132 [ 4093.315300] [] ? arch_local_irq_restore+0x1b/0x1b [ 4093.334679] [] ubsan_epilogue+0x12/0x53 [ 4093.353183] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4093.378098] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4093.399052] [] packet_create+0x318/0x9e9 [ 4093.415594] [] ? tpacket_destruct_skb+0x38f/0x38f [ 4093.432955] [] __sock_create+0x280/0x3f4 [ 4093.449722] [] sock_create+0x92/0x9d [ 4093.466392] [] SYSC_socket+0x9c/0x157 [ 4093.483422] [] ? sock_create+0x9d/0x9d [ 4093.500129] [] SyS_socket+0x2f/0x31 [ 4093.516716] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4093.539379] ================================================================================ [ 4093.564681] ================================================================================ [ 4093.589717] UBSAN: Undefined behaviour in net/packet/af_packet.c:3209:2 [ 4093.611100] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4093.635540] which requires 64 byte alignment [ 4093.648175] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4093.671466] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4093.699189] 00000000ffffffff 0000000075109495 ffff8800a093fc88 ffffffffb26ec5cc [ 4093.722586] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4093.746203] ffffffff00000010 ffff8800a093fcb0 ffff8800a093fc60 ffffffffb363c3e0 [ 4093.768901] Call Trace: [ 4093.776209] [] dump_stack+0xd7/0x132 [ 4093.795545] [] ? arch_local_irq_restore+0x1b/0x1b [ 4093.814688] [] ubsan_epilogue+0x12/0x53 [ 4093.831764] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4093.855494] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4093.880415] [] packet_create+0x693/0x9e9 [ 4093.895333] [] ? tpacket_destruct_skb+0x38f/0x38f [ 4093.916739] [] __sock_create+0x280/0x3f4 [ 4093.932344] [] sock_create+0x92/0x9d [ 4093.950440] [] SYSC_socket+0x9c/0x157 [ 4093.967720] [] ? sock_create+0x9d/0x9d [ 4093.983016] [] SyS_socket+0x2f/0x31 [ 4093.999240] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4094.021154] ================================================================================ [ 4094.046607] ================================================================================ [ 4094.072458] UBSAN: Undefined behaviour in net/packet/af_packet.c:3211:15 [ 4094.091553] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4094.136110] which requires 64 byte alignment [ 4094.154351] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4094.175164] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4094.205020] 00000000ffffffff 0000000075109495 ffff8800a093fc88 ffffffffb26ec5cc [ 4094.228478] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4094.254755] ffffffff00000010 ffff8800a093fcb0 ffff8800a093fc60 ffffffffb363c3e0 [ 4094.278335] Call Trace: [ 4094.285483] [] dump_stack+0xd7/0x132 [ 4094.302418] [] ? arch_local_irq_restore+0x1b/0x1b [ 4094.321071] [] ubsan_epilogue+0x12/0x53 [ 4094.341102] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4094.362376] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4094.384113] [] packet_create+0x6a7/0x9e9 [ 4094.401434] [] ? tpacket_destruct_skb+0x38f/0x38f [ 4094.423011] [] __sock_create+0x280/0x3f4 [ 4094.441012] [] sock_create+0x92/0x9d [ 4094.456454] [] SYSC_socket+0x9c/0x157 [ 4094.474774] [] ? sock_create+0x9d/0x9d [ 4094.492717] [] SyS_socket+0x2f/0x31 [ 4094.505442] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4094.525570] ================================================================================ [ 4094.558061] ================================================================================ [ 4094.590039] UBSAN: Undefined behaviour in net/packet/af_packet.c:3212:21 [ 4094.612229] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4094.643920] which requires 64 byte alignment [ 4094.655343] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4094.678852] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4094.707000] 00000000ffffffff 0000000075109495 ffff8800a093fc88 ffffffffb26ec5cc [ 4094.734550] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4094.759812] ffffffff00000010 ffff8800a093fcb0 ffff8800a093fc60 ffffffffb363c3e0 [ 4094.782972] Call Trace: [ 4094.790947] [] dump_stack+0xd7/0x132 [ 4094.804517] [] ? arch_local_irq_restore+0x1b/0x1b [ 4094.824109] [] ubsan_epilogue+0x12/0x53 [ 4094.845142] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4094.866902] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4094.893085] [] packet_create+0x6bb/0x9e9 [ 4094.911998] [] ? tpacket_destruct_skb+0x38f/0x38f [ 4094.930752] [] __sock_create+0x280/0x3f4 [ 4094.946973] [] sock_create+0x92/0x9d [ 4094.964669] [] SYSC_socket+0x9c/0x157 [ 4094.980568] [] ? sock_create+0x9d/0x9d [ 4094.998000] [] SyS_socket+0x2f/0x31 [ 4095.013779] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4095.031987] ================================================================================ [ 4095.059750] ================================================================================ [ 4095.084962] UBSAN: Undefined behaviour in net/packet/af_packet.c:3215:22 [ 4095.104929] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4095.134759] which requires 64 byte alignment [ 4095.149127] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4095.172810] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4095.202786] 00000000ffffffff 0000000075109495 ffff8800a093fc88 ffffffffb26ec5cc [ 4095.224607] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4095.251331] ffffffff00000010 ffff8800a093fcb0 ffff8800a093fc60 ffffffffb363c3e0 [ 4095.275048] Call Trace: [ 4095.283528] [] dump_stack+0xd7/0x132 [ 4095.300386] [] ? arch_local_irq_restore+0x1b/0x1b [ 4095.323785] [] ubsan_epilogue+0x12/0x53 [ 4095.341456] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4095.363045] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4095.389015] [] packet_create+0x6e3/0x9e9 [ 4095.404276] [] ? tpacket_destruct_skb+0x38f/0x38f [ 4095.424818] [] __sock_create+0x280/0x3f4 [ 4095.444838] [] sock_create+0x92/0x9d [ 4095.464021] [] SYSC_socket+0x9c/0x157 [ 4095.481966] [] ? sock_create+0x9d/0x9d [ 4095.498541] [] SyS_socket+0x2f/0x31 [ 4095.516881] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4095.535444] ================================================================================ [ 4095.568759] ================================================================================ [ 4095.599546] UBSAN: Undefined behaviour in net/packet/af_packet.c:3217:31 [ 4095.621542] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4095.650625] which requires 64 byte alignment [ 4095.664827] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4095.685162] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4095.716218] 00000000ffffffff 0000000075109495 ffff8800a093fc88 ffffffffb26ec5cc [ 4095.738011] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4095.761597] ffffffff00000010 ffff8800a093fcb0 ffff8800a093fc60 ffffffffb363c3e0 [ 4095.783985] Call Trace: [ 4095.790229] [] dump_stack+0xd7/0x132 [ 4095.810230] [] ? arch_local_irq_restore+0x1b/0x1b [ 4095.826082] [] ubsan_epilogue+0x12/0x53 [ 4095.843305] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4095.863816] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4095.886471] [] packet_create+0x6f7/0x9e9 [ 4095.904593] [] ? tpacket_destruct_skb+0x38f/0x38f [ 4095.924248] [] __sock_create+0x280/0x3f4 [ 4095.943099] [] sock_create+0x92/0x9d [ 4095.960696] [] SYSC_socket+0x9c/0x157 [ 4095.975642] [] ? sock_create+0x9d/0x9d [ 4095.994152] [] SyS_socket+0x2f/0x31 [ 4096.008594] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4096.030038] ================================================================================ [ 4096.055127] ================================================================================ [ 4096.082357] UBSAN: Undefined behaviour in net/packet/af_packet.c:3220:22 [ 4096.103133] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4096.129402] which requires 64 byte alignment [ 4096.143347] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4096.166285] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4096.192797] 00000000ffffffff 0000000075109495 ffff8800a093fc88 ffffffffb26ec5cc [ 4096.215278] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4096.237163] ffffffff00000010 ffff8800a093fcb0 ffff8800a093fc60 ffffffffb363c3e0 [ 4096.261360] Call Trace: [ 4096.269206] [] dump_stack+0xd7/0x132 [ 4096.285542] [] ? arch_local_irq_restore+0x1b/0x1b [ 4096.306781] [] ubsan_epilogue+0x12/0x53 [ 4096.321553] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4096.343039] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4096.366148] [] packet_create+0x71a/0x9e9 [ 4096.385093] [] ? tpacket_destruct_skb+0x38f/0x38f [ 4096.405409] [] __sock_create+0x280/0x3f4 [ 4096.420170] [] sock_create+0x92/0x9d [ 4096.435131] [] SYSC_socket+0x9c/0x157 [ 4096.449995] [] ? sock_create+0x9d/0x9d [ 4096.467840] [] SyS_socket+0x2f/0x31 [ 4096.481742] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4096.499492] ================================================================================ [ 4096.530303] ================================================================================ [ 4096.559225] UBSAN: Undefined behaviour in net/packet/af_packet.c:344:6 [ 4096.579526] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4096.604608] which requires 64 byte alignment [ 4096.620287] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4096.642384] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4096.671521] 00000000ffffffff 0000000075109495 ffff8800a093fc68 ffffffffb26ec5cc [ 4096.695131] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4096.718225] ffff880000000010 ffff8800a093fc90 ffff8800a093fc40 ffffffffb363c3e0 [ 4096.740840] Call Trace: [ 4096.747317] [] dump_stack+0xd7/0x132 [ 4096.764354] [] ? arch_local_irq_restore+0x1b/0x1b [ 4096.783227] [] ubsan_epilogue+0x12/0x53 [ 4096.802305] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4096.823056] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4096.843439] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4096.865420] [] register_prot_hook+0x2d/0xde [ 4096.882375] [] packet_create+0x736/0x9e9 [ 4096.898275] [] ? tpacket_destruct_skb+0x38f/0x38f [ 4096.917226] [] __sock_create+0x280/0x3f4 [ 4096.933552] [] sock_create+0x92/0x9d [ 4096.949032] [] SYSC_socket+0x9c/0x157 [ 4096.965661] [] ? sock_create+0x9d/0x9d [ 4096.984079] [] SyS_socket+0x2f/0x31 [ 4097.000623] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4097.022863] ================================================================================ [ 4097.048177] ================================================================================ [ 4097.074809] UBSAN: Undefined behaviour in net/packet/af_packet.c:345:9 [ 4097.097705] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4097.128981] which requires 64 byte alignment [ 4097.143227] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4097.164638] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4097.194967] 00000000ffffffff 0000000075109495 ffff8800a093fc68 ffffffffb26ec5cc [ 4097.218606] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4097.240423] ffffffff00000010 ffff8800a093fc90 ffff8800a093fc40 ffffffffb363c3e0 [ 4097.264344] Call Trace: [ 4097.270343] [] dump_stack+0xd7/0x132 [ 4097.284919] [] ? arch_local_irq_restore+0x1b/0x1b [ 4097.304281] [] ubsan_epilogue+0x12/0x53 [ 4097.321044] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4097.344666] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4097.369240] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4097.388814] [] register_prot_hook+0x67/0xde [ 4097.406686] [] packet_create+0x736/0x9e9 [ 4097.424230] [] ? tpacket_destruct_skb+0x38f/0x38f [ 4097.444192] [] __sock_create+0x280/0x3f4 [ 4097.462695] [] sock_create+0x92/0x9d [ 4097.476717] [] SYSC_socket+0x9c/0x157 [ 4097.494158] [] ? sock_create+0x9d/0x9d [ 4097.509357] [] SyS_socket+0x2f/0x31 [ 4097.522178] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4097.540187] ================================================================================ [ 4097.568831] ================================================================================ [ 4097.596153] UBSAN: Undefined behaviour in net/packet/af_packet.c:351:15 [ 4097.615757] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4097.641540] which requires 64 byte alignment [ 4097.654032] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4097.675905] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4097.704863] 00000000ffffffff 0000000075109495 ffff8800a093fc68 ffffffffb26ec5cc [ 4097.728876] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4097.752598] ffffffff00000010 ffff8800a093fc90 ffff8800a093fc40 ffffffffb363c3e0 [ 4097.775292] Call Trace: [ 4097.782769] [] dump_stack+0xd7/0x132 [ 4097.798088] [] ? arch_local_irq_restore+0x1b/0x1b [ 4097.818194] [] ubsan_epilogue+0x12/0x53 [ 4097.834674] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4097.855082] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4097.875535] [] ? queued_spin_unlock+0xe/0x1b [ 4097.893030] [] register_prot_hook+0xc5/0xde [ 4097.908529] [] packet_create+0x736/0x9e9 [ 4097.924982] [] ? tpacket_destruct_skb+0x38f/0x38f [ 4097.943721] [] __sock_create+0x280/0x3f4 [ 4097.960030] [] sock_create+0x92/0x9d [ 4097.974401] [] SYSC_socket+0x9c/0x157 [ 4097.989995] [] ? sock_create+0x9d/0x9d [ 4098.008172] [] SyS_socket+0x2f/0x31 [ 4098.022624] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4098.040114] ================================================================================ [ 4098.073902] ================================================================================ [ 4098.100834] UBSAN: Undefined behaviour in net/packet/af_packet.c:3133:47 [ 4098.124400] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4098.154814] which requires 64 byte alignment [ 4098.169123] CPU: 2 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4098.190455] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4098.219413] 00000000ffffffff 0000000075109495 ffff8800a093fc30 ffffffffb26ec5cc [ 4098.243000] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4098.267589] 0000000000000010 ffff8800a093fc58 ffff8800a093fc08 ffffffffb363c3e0 [ 4098.294880] Call Trace: [ 4098.303243] [] dump_stack+0xd7/0x132 [ 4098.320182] [] ? arch_local_irq_restore+0x1b/0x1b [ 4098.341208] [] ubsan_epilogue+0x12/0x53 [ 4098.359398] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4098.381037] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4098.402376] [] ? memcpy+0x45/0x4c [ 4098.418490] [] packet_bind_spkt+0xd4/0x174 [ 4098.435294] [] ? packet_bind+0x177/0x177 [ 4098.454797] [] ? security_socket_bind+0xa5/0xb4 [ 4098.472871] [] SYSC_bind+0x15f/0x1f7 [ 4098.488498] [] ? move_addr_to_kernel+0x9e/0x9e [ 4098.511686] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4098.535626] [] ? __do_page_fault+0x6d3/0x96b [ 4098.552349] [] SyS_bind+0x2f/0x31 [ 4098.567913] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4098.586982] ================================================================================ [ 4098.614765] ================================================================================ [ 4098.639946] UBSAN: Undefined behaviour in net/packet/af_packet.c:3040:8 [ 4098.660439] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4098.685621] which requires 64 byte alignment [ 4098.696292] CPU: 2 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4098.720237] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4098.744793] 00000000ffffffff 0000000075109495 ffff8800a093fc30 ffffffffb26ec5cc [ 4098.770235] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4098.795927] ffff880000000010 ffff8800a093fc58 ffff8800a093fc08 ffffffffb363c3e0 [ 4098.820979] Call Trace: [ 4098.827126] [] dump_stack+0xd7/0x132 [ 4098.844403] [] ? arch_local_irq_restore+0x1b/0x1b [ 4098.865468] [] ubsan_epilogue+0x12/0x53 [ 4098.883250] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4098.905603] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4098.932236] [] ? memcpy+0x45/0x4c [ 4098.944837] [] packet_bind_spkt+0x100/0x174 [ 4098.963416] [] ? packet_bind+0x177/0x177 [ 4098.983561] [] ? security_socket_bind+0xa5/0xb4 [ 4098.999211] [] SYSC_bind+0x15f/0x1f7 [ 4099.014861] [] ? move_addr_to_kernel+0x9e/0x9e [ 4099.031109] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4099.054276] [] ? __do_page_fault+0x6d3/0x96b [ 4099.072994] [] SyS_bind+0x2f/0x31 [ 4099.088413] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4099.104963] ================================================================================ [ 4099.148528] ================================================================================ [ 4099.202159] UBSAN: Undefined behaviour in net/packet/af_packet.c:386:6 [ 4099.237216] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4099.284207] which requires 64 byte alignment [ 4099.313349] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4099.354746] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4099.409765] 00000000ffffffff 0000000075109495 ffff8800a093fa48 ffffffffb26ec5cc [ 4099.454840] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4099.500641] ffff880000000010 ffff8800a093fa70 ffff8800a093fa20 ffffffffb363c3e0 [ 4099.547917] Call Trace: [ 4099.564527] [] dump_stack+0xd7/0x132 [ 4099.595563] [] ? arch_local_irq_restore+0x1b/0x1b [ 4099.632224] [] ubsan_epilogue+0x12/0x53 [ 4099.671288] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4099.705537] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4099.770781] [] packet_release+0x2e5/0x7ca [ 4099.818412] [] ? packet_set_ring+0x159a/0x159a [ 4099.850680] [] ? kmem_cache_free+0x4b/0x2b3 [ 4099.888004] [] ? locks_remove_file+0x25f/0x29b [ 4099.923967] [] ? sock_release+0x1ef/0x1ef [ 4099.960314] [] sock_release+0xd6/0x1ef [ 4099.993420] [] ? sock_release+0xd6/0x1ef [ 4100.025963] [] sock_close+0x1b/0x20 [ 4100.056038] [] __fput+0x38b/0x68b [ 4100.083203] [] ____fput+0x1c/0x1e [ 4100.114390] [] task_work_run+0x11e/0x140 [ 4100.147685] [] do_exit+0xccf/0x20bc [ 4100.176714] [] ? mm_update_next_owner+0x58c/0x58c [ 4100.209769] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4100.259131] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4100.299336] [] ? __do_page_fault+0x6d3/0x96b [ 4100.340930] [] do_group_exit+0x112/0x290 [ 4100.377345] [] SyS_exit_group+0x22/0x22 [ 4100.408819] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4100.451971] ================================================================================ Bind socket to interface: No such device [ 4100.514392] ================================================================================ [ 4100.541405] UBSAN: Undefined behaviour in net/packet/af_packet.c:366:14 [ 4100.560504] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4100.589428] which requires 64 byte alignment [ 4100.602603] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4100.623471] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4100.652209] 00000000ffffffff 0000000075109495 ffff8800a093f9f0 ffffffffb26ec5cc [ 4100.674499] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4100.698077] ffffffff00000010 ffff8800a093fa18 ffff8800a093f9c8 ffffffffb363c3e0 [ 4100.721060] Call Trace: [ 4100.729467] [] dump_stack+0xd7/0x132 [ 4100.743609] [] ? arch_local_irq_restore+0x1b/0x1b [ 4100.762856] [] ubsan_epilogue+0x12/0x53 [ 4100.776852] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4100.800924] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4100.823632] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4100.843459] [] __unregister_prot_hook+0x3b/0x2f9 [ 4100.864296] [] packet_release+0x309/0x7ca [ 4100.884462] [] ? packet_set_ring+0x159a/0x159a [ 4100.903760] [] ? kmem_cache_free+0x4b/0x2b3 [ 4100.920664] [] ? locks_remove_file+0x25f/0x29b [ 4100.939347] [] ? sock_release+0x1ef/0x1ef [ 4100.955530] [] sock_release+0xd6/0x1ef [ 4100.972864] [] ? sock_release+0xd6/0x1ef [ 4100.989702] [] sock_close+0x1b/0x20 [ 4101.004805] [] __fput+0x38b/0x68b [ 4101.020462] [] ____fput+0x1c/0x1e [ 4101.033775] [] task_work_run+0x11e/0x140 [ 4101.050775] [] do_exit+0xccf/0x20bc [ 4101.066979] [] ? mm_update_next_owner+0x58c/0x58c [ 4101.087400] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4101.112714] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4101.138339] [] ? __do_page_fault+0x6d3/0x96b [ 4101.160578] [] do_group_exit+0x112/0x290 [ 4101.177412] [] SyS_exit_group+0x22/0x22 [ 4101.197617] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4101.214764] ================================================================================ [ 4101.241452] ================================================================================ [ 4101.269712] UBSAN: Undefined behaviour in net/packet/af_packet.c:368:8 [ 4101.290643] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4101.319922] which requires 64 byte alignment [ 4101.333666] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4101.355189] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4101.387057] 00000000ffffffff 0000000075109495 ffff8800a093f9f0 ffffffffb26ec5cc [ 4101.407596] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4101.431249] ffff880000000010 ffff8800a093fa18 ffff8800a093f9c8 ffffffffb363c3e0 [ 4101.456363] Call Trace: [ 4101.465539] [] dump_stack+0xd7/0x132 [ 4101.482145] [] ? arch_local_irq_restore+0x1b/0x1b [ 4101.501463] [] ubsan_epilogue+0x12/0x53 [ 4101.519809] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4101.542173] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4101.562666] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4101.585198] [] __unregister_prot_hook+0x6b/0x2f9 [ 4101.601728] [] packet_release+0x309/0x7ca [ 4101.620443] [] ? packet_set_ring+0x159a/0x159a [ 4101.640206] [] ? kmem_cache_free+0x4b/0x2b3 [ 4101.656457] [] ? locks_remove_file+0x25f/0x29b [ 4101.673336] [] ? sock_release+0x1ef/0x1ef [ 4101.690432] [] sock_release+0xd6/0x1ef [ 4101.708927] [] ? sock_release+0xd6/0x1ef [ 4101.726216] [] sock_close+0x1b/0x20 [ 4101.742603] [] __fput+0x38b/0x68b [ 4101.759658] [] ____fput+0x1c/0x1e [ 4101.774461] [] task_work_run+0x11e/0x140 [ 4101.793353] [] do_exit+0xccf/0x20bc [ 4101.811388] [] ? mm_update_next_owner+0x58c/0x58c [ 4101.829339] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4101.850198] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4101.875737] [] ? __do_page_fault+0x6d3/0x96b [ 4101.893147] [] do_group_exit+0x112/0x290 [ 4101.908010] [] SyS_exit_group+0x22/0x22 [ 4101.924482] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4101.945318] ================================================================================ [ 4101.970216] ================================================================================ [ 4101.994884] UBSAN: Undefined behaviour in net/packet/af_packet.c:2988:19 [ 4102.011707] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4102.041672] which requires 64 byte alignment [ 4102.056026] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4102.079240] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4102.105752] 00000000ffffffff 0000000075109495 ffff8800a093fa48 ffffffffb26ec5cc [ 4102.127093] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4102.152162] ffffffff00000010 ffff8800a093fa70 ffff8800a093fa20 ffffffffb363c3e0 [ 4102.175772] Call Trace: [ 4102.184241] [] dump_stack+0xd7/0x132 [ 4102.201128] [] ? arch_local_irq_restore+0x1b/0x1b [ 4102.221249] [] ubsan_epilogue+0x12/0x53 [ 4102.240007] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4102.259728] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4102.280885] [] ? __unregister_prot_hook+0x2ea/0x2f9 [ 4102.300177] [] packet_release+0x363/0x7ca [ 4102.318912] [] ? packet_set_ring+0x159a/0x159a [ 4102.337068] [] ? kmem_cache_free+0x4b/0x2b3 [ 4102.354731] [] ? locks_remove_file+0x25f/0x29b [ 4102.374571] [] ? sock_release+0x1ef/0x1ef [ 4102.392698] [] sock_release+0xd6/0x1ef [ 4102.406588] [] ? sock_release+0xd6/0x1ef [ 4102.422369] [] sock_close+0x1b/0x20 [ 4102.439372] [] __fput+0x38b/0x68b [ 4102.451918] [] ____fput+0x1c/0x1e [ 4102.467460] [] task_work_run+0x11e/0x140 [ 4102.484203] [] do_exit+0xccf/0x20bc [ 4102.499710] [] ? mm_update_next_owner+0x58c/0x58c [ 4102.518739] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4102.539681] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4102.562290] [] ? __do_page_fault+0x6d3/0x96b [ 4102.579465] [] do_group_exit+0x112/0x290 [ 4102.595164] [] SyS_exit_group+0x22/0x22 [ 4102.612322] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4102.632979] ================================================================================ [ 4102.661691] ================================================================================ [ 4102.686155] UBSAN: Undefined behaviour in net/packet/af_packet.c:3562:9 [ 4102.705443] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4102.737114] which requires 64 byte alignment [ 4102.749017] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4102.769567] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4102.801583] 00000000ffffffff 0000000075109495 ffff8800a093fa48 ffffffffb26ec5cc [ 4102.826712] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4102.851729] ffffffff00000010 ffff8800a093fa70 ffff8800a093fa20 ffffffffb363c3e0 [ 4102.871518] Call Trace: [ 4102.882332] [] dump_stack+0xd7/0x132 [ 4102.898323] [] ? arch_local_irq_restore+0x1b/0x1b [ 4102.917678] [] ubsan_epilogue+0x12/0x53 [ 4102.933663] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4102.956049] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4102.977517] [] ? __unregister_prot_hook+0x2ea/0x2f9 [ 4102.996620] [] packet_release+0x415/0x7ca [ 4103.015597] [] ? packet_set_ring+0x159a/0x159a [ 4103.033729] [] ? kmem_cache_free+0x4b/0x2b3 [ 4103.053687] [] ? locks_remove_file+0x25f/0x29b [ 4103.073428] [] ? sock_release+0x1ef/0x1ef [ 4103.090316] [] sock_release+0xd6/0x1ef [ 4103.105726] [] ? sock_release+0xd6/0x1ef [ 4103.122895] [] sock_close+0x1b/0x20 [ 4103.139005] [] __fput+0x38b/0x68b [ 4103.154673] [] ____fput+0x1c/0x1e [ 4103.167159] [] task_work_run+0x11e/0x140 [ 4103.186251] [] do_exit+0xccf/0x20bc [ 4103.200187] [] ? mm_update_next_owner+0x58c/0x58c [ 4103.220424] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4103.244541] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4103.267627] [] ? __do_page_fault+0x6d3/0x96b [ 4103.288063] [] do_group_exit+0x112/0x290 [ 4103.303697] [] SyS_exit_group+0x22/0x22 [ 4103.322180] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4103.342947] ================================================================================ [ 4103.366297] ================================================================================ [ 4103.393967] UBSAN: Undefined behaviour in net/packet/af_packet.c:2996:17 [ 4103.415753] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4103.445605] which requires 64 byte alignment [ 4103.461566] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4103.483320] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4103.509278] 00000000ffffffff 0000000075109495 ffff8800a093fa48 ffffffffb26ec5cc [ 4103.533089] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4103.557369] ffffffff00000010 ffff8800a093fa70 ffff8800a093fa20 ffffffffb363c3e0 [ 4103.580661] Call Trace: [ 4103.586708] [] dump_stack+0xd7/0x132 [ 4103.605259] [] ? arch_local_irq_restore+0x1b/0x1b [ 4103.623078] [] ubsan_epilogue+0x12/0x53 [ 4103.640516] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4103.659005] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4103.681233] [] ? __unregister_prot_hook+0x2ea/0x2f9 [ 4103.701511] [] packet_release+0x59d/0x7ca [ 4103.720501] [] ? packet_set_ring+0x159a/0x159a [ 4103.736911] [] ? kmem_cache_free+0x4b/0x2b3 [ 4103.755001] [] ? locks_remove_file+0x25f/0x29b [ 4103.773219] [] ? sock_release+0x1ef/0x1ef [ 4103.790485] [] sock_release+0xd6/0x1ef [ 4103.808948] [] ? sock_release+0xd6/0x1ef [ 4103.826265] [] sock_close+0x1b/0x20 [ 4103.842583] [] __fput+0x38b/0x68b [ 4103.858716] [] ____fput+0x1c/0x1e [ 4103.873287] [] task_work_run+0x11e/0x140 [ 4103.888620] [] do_exit+0xccf/0x20bc [ 4103.903739] [] ? mm_update_next_owner+0x58c/0x58c [ 4103.925683] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4103.945720] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4103.971214] [] ? __do_page_fault+0x6d3/0x96b [ 4103.990860] [] do_group_exit+0x112/0x290 [ 4104.008087] [] SyS_exit_group+0x22/0x22 [ 4104.026252] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4104.044421] ================================================================================ [ 4104.071063] ================================================================================ [ 4104.094705] UBSAN: Undefined behaviour in net/packet/af_packet.c:3001:17 [ 4104.113590] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4104.142302] which requires 64 byte alignment [ 4104.155074] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4104.179984] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4104.209560] 00000000ffffffff 0000000075109495 ffff8800a093fa48 ffffffffb26ec5cc [ 4104.233146] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4104.252540] ffffffff00000010 ffff8800a093fa70 ffff8800a093fa20 ffffffffb363c3e0 [ 4104.275747] Call Trace: [ 4104.284291] [] dump_stack+0xd7/0x132 [ 4104.299031] [] ? arch_local_irq_restore+0x1b/0x1b [ 4104.318531] [] ubsan_epilogue+0x12/0x53 [ 4104.333465] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4104.353078] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4104.373485] [] ? __unregister_prot_hook+0x2ea/0x2f9 [ 4104.394305] [] packet_release+0x5fe/0x7ca [ 4104.410173] [] ? packet_set_ring+0x159a/0x159a [ 4104.430382] [] ? kmem_cache_free+0x4b/0x2b3 [ 4104.448564] [] ? locks_remove_file+0x25f/0x29b [ 4104.467695] [] ? sock_release+0x1ef/0x1ef [ 4104.485242] [] sock_release+0xd6/0x1ef [ 4104.500525] [] ? sock_release+0xd6/0x1ef [ 4104.515914] [] sock_close+0x1b/0x20 [ 4104.528902] [] __fput+0x38b/0x68b [ 4104.546422] [] ____fput+0x1c/0x1e [ 4104.562822] [] task_work_run+0x11e/0x140 [ 4104.580164] [] do_exit+0xccf/0x20bc [ 4104.599278] [] ? mm_update_next_owner+0x58c/0x58c [ 4104.620550] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4104.641691] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4104.663241] [] ? __do_page_fault+0x6d3/0x96b [ 4104.680885] [] do_group_exit+0x112/0x290 [ 4104.697952] [] SyS_exit_group+0x22/0x22 [ 4104.714518] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4104.737587] ================================================================================ [ 4104.763685] ================================================================================ [ 4104.791394] UBSAN: Undefined behaviour in net/packet/af_packet.c:1720:4 [ 4104.817442] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4104.845189] which requires 64 byte alignment [ 4104.860783] CPU: 0 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4104.882686] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4104.909300] 00000000ffffffff 0000000075109495 ffff8800a093fa20 ffffffffb26ec5cc [ 4104.933033] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4104.956182] fffffbff00000010 ffff8800a093fa48 ffff8800a093f9f8 ffffffffb363c3e0 [ 4104.976384] Call Trace: [ 4104.985714] [] dump_stack+0xd7/0x132 [ 4105.000738] [] ? arch_local_irq_restore+0x1b/0x1b [ 4105.019654] [] ubsan_epilogue+0x12/0x53 [ 4105.036501] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4105.057285] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4105.079331] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4105.100186] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4105.121443] [] fanout_release+0x2f/0x179 [ 4105.138997] [] packet_release+0x658/0x7ca [ 4105.154031] [] ? packet_set_ring+0x159a/0x159a [ 4105.175749] [] ? kmem_cache_free+0x4b/0x2b3 [ 4105.193971] [] ? locks_remove_file+0x25f/0x29b [ 4105.213130] [] ? sock_release+0x1ef/0x1ef [ 4105.229277] [] sock_release+0xd6/0x1ef [ 4105.244742] [] ? sock_release+0xd6/0x1ef [ 4105.263668] [] sock_close+0x1b/0x20 [ 4105.277085] [] __fput+0x38b/0x68b [ 4105.291985] [] ____fput+0x1c/0x1e [ 4105.304444] [] task_work_run+0x11e/0x140 [ 4105.321489] [] do_exit+0xccf/0x20bc [ 4105.337338] [] ? mm_update_next_owner+0x58c/0x58c [ 4105.355146] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4105.374293] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4105.407331] [] ? __do_page_fault+0x6d3/0x96b [ 4105.422538] [] do_group_exit+0x112/0x290 [ 4105.439152] [] SyS_exit_group+0x22/0x22 [ 4105.455873] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4105.473085] ================================================================================ [ 4105.514887] ================================================================================ [ 4105.537768] UBSAN: Undefined behaviour in net/packet/af_packet.c:1230:25 [ 4105.558334] member access within misaligned address ffff88005c6d12b8 for type 'struct packet_sock' [ 4105.591091] which requires 64 byte alignment [ 4105.603490] CPU: 1 PID: 1485 Comm: dhclient Tainted: G L 4.8.11 #1 [ 4105.623927] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4105.653223] 00000000ffffffff 0000000075109495 ffff8800a093fa48 ffffffffb26ec5cc [ 4105.674813] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4105.699123] ffffed0000000010 ffff8800a093fa70 ffff8800a093fa20 ffffffffb363c3e0 [ 4105.721201] Call Trace: [ 4105.726933] [] dump_stack+0xd7/0x132 [ 4105.742638] [] ? arch_local_irq_restore+0x1b/0x1b [ 4105.763273] [] ubsan_epilogue+0x12/0x53 [ 4105.778206] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4105.815353] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4105.834365] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 4105.854984] [] packet_release+0x74e/0x7ca [ 4105.871132] [] ? packet_set_ring+0x159a/0x159a [ 4105.890595] [] ? kmem_cache_free+0x4b/0x2b3 [ 4105.905720] [] ? locks_remove_file+0x25f/0x29b [ 4105.923073] [] ? sock_release+0x1ef/0x1ef [ 4105.938917] [] sock_release+0xd6/0x1ef [ 4105.952934] [] ? sock_release+0xd6/0x1ef [ 4105.968946] [] sock_close+0x1b/0x20 [ 4105.984035] [] __fput+0x38b/0x68b [ 4106.001457] [] ____fput+0x1c/0x1e [ 4106.015481] [] task_work_run+0x11e/0x140 [ 4106.029406] [] do_exit+0xccf/0x20bc [ 4106.044498] [] ? mm_update_next_owner+0x58c/0x58c [ 4106.062864] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4106.083920] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4106.105145] [] ? __do_page_fault+0x6d3/0x96b [ 4106.123710] [] do_group_exit+0x112/0x290 [ 4106.140164] [] SyS_exit_group+0x22/0x22 [ 4106.155799] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4106.173515] ================================================================================ Failed to bring up eth0. [?25l[?1c7[ ok 8[?25h[?0cdone. [....] Cleaning up temporary files...[?25l[?1c7[ ok 8[?25h[?0c. [ 4108.653008] ================================================================================ [ 4108.680524] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4108.696540] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4108.724828] which requires 64 byte alignment [ 4108.737963] CPU: 1 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4108.755280] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4108.785646] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7be0 ffffffffb26ec5cc [ 4108.807347] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4108.834596] 0000000000000010 ffff88005b1f7c08 ffff88005b1f7bb8 ffffffffb363c3e0 [ 4108.856548] Call Trace: [ 4108.862230] [] dump_stack+0xd7/0x132 [ 4108.880243] [] ? arch_local_irq_restore+0x1b/0x1b [ 4108.903420] [] ubsan_epilogue+0x12/0x53 [ 4108.919425] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4108.947062] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4108.971306] [] ext4_unlink+0x2bc/0x7d8 [ 4108.989175] [] ? ext4_rmdir+0x6ac/0x6ac [ 4109.008733] [] ? break_deleg+0xf3/0x102 [ 4109.023766] [] vfs_unlink+0x182/0x208 [ 4109.039999] [] do_unlinkat+0x29c/0x41a [ 4109.059000] [] ? do_rmdir+0x306/0x306 [ 4109.074934] [] ? SYSC_newfstatat+0xc9/0x10c [ 4109.102666] [] ? SYSC_newlstat+0xf4/0xf4 [ 4109.127593] [] SyS_unlinkat+0x59/0x6e [ 4109.150810] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4109.171603] ================================================================================ [ 4109.200647] ================================================================================ [ 4109.230649] UBSAN: Undefined behaviour in fs/ext4/namei.c:3032:11 [ 4109.253197] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4109.286210] which requires 64 byte alignment [ 4109.302908] CPU: 1 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4109.323209] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4109.357027] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7be0 ffffffffb26ec5cc [ 4109.381268] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4109.405322] ffff880000000010 ffff88005b1f7c08 ffff88005b1f7bb8 ffffffffb363c3e0 [ 4109.429685] Call Trace: [ 4109.437590] [] dump_stack+0xd7/0x132 [ 4109.452654] [] ? arch_local_irq_restore+0x1b/0x1b [ 4109.471359] [] ubsan_epilogue+0x12/0x53 [ 4109.488448] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4109.508670] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4109.532562] [] ext4_unlink+0x2e9/0x7d8 [ 4109.548544] [] ? ext4_rmdir+0x6ac/0x6ac [ 4109.565308] [] ? break_deleg+0xf3/0x102 [ 4109.583392] [] vfs_unlink+0x182/0x208 [ 4109.599061] [] do_unlinkat+0x29c/0x41a [ 4109.616739] [] ? do_rmdir+0x306/0x306 [ 4109.634298] [] ? SYSC_newfstatat+0xc9/0x10c [ 4109.651997] [] ? SYSC_newlstat+0xf4/0xf4 [ 4109.671358] [] SyS_unlinkat+0x59/0x6e [ 4109.687840] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4109.706095] ================================================================================ [ 4109.742655] ================================================================================ [ 4109.767126] UBSAN: Undefined behaviour in fs/ext4/namei.c:3040:6 [ 4109.786067] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4109.813075] which requires 64 byte alignment [ 4109.830907] CPU: 0 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4109.853726] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4109.883293] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7be0 ffffffffb26ec5cc [ 4109.905784] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4109.924404] ffff880000000010 ffff88005b1f7c08 ffff88005b1f7bb8 ffffffffb363c3e0 [ 4109.947637] Call Trace: [ 4109.957188] [] dump_stack+0xd7/0x132 [ 4109.986276] [] ? arch_local_irq_restore+0x1b/0x1b [ 4110.007783] [] ubsan_epilogue+0x12/0x53 [ 4110.023668] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4110.044235] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4110.067329] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 4110.086750] [] ext4_unlink+0x3d6/0x7d8 [ 4110.101692] [] ? ext4_rmdir+0x6ac/0x6ac [ 4110.119900] [] ? break_deleg+0xf3/0x102 [ 4110.138381] [] vfs_unlink+0x182/0x208 [ 4110.154625] [] do_unlinkat+0x29c/0x41a [ 4110.170191] [] ? do_rmdir+0x306/0x306 [ 4110.185711] [] ? SYSC_newfstatat+0xc9/0x10c [ 4110.203960] [] ? SYSC_newlstat+0xf4/0xf4 [ 4110.223127] [] SyS_unlinkat+0x59/0x6e [ 4110.241037] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4110.263014] ================================================================================ [ 4110.300819] ================================================================================ [ 4110.324589] UBSAN: Undefined behaviour in fs/ext4/namei.c:2386:15 [ 4110.343595] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4110.369591] which requires 64 byte alignment [ 4110.381536] CPU: 0 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4110.402602] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4110.433190] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7b30 ffffffffb26ec5cc [ 4110.454364] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4110.476233] ffff880000000010 ffff88005b1f7b58 ffff88005b1f7b08 ffffffffb363c3e0 [ 4110.499003] Call Trace: [ 4110.506519] [] dump_stack+0xd7/0x132 [ 4110.523158] [] ? arch_local_irq_restore+0x1b/0x1b [ 4110.557146] [] ubsan_epilogue+0x12/0x53 [ 4110.574170] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4110.595441] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4110.618838] [] ext4_delete_entry+0x182/0x285 [ 4110.636314] [] ? ext4_generic_delete_entry+0x308/0x308 [ 4110.657746] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 4110.678903] [] ext4_unlink+0x4e7/0x7d8 [ 4110.697209] [] ? ext4_rmdir+0x6ac/0x6ac [ 4110.714725] [] ? break_deleg+0xf3/0x102 [ 4110.735023] [] vfs_unlink+0x182/0x208 [ 4110.752079] [] do_unlinkat+0x29c/0x41a [ 4110.777100] [] ? do_rmdir+0x306/0x306 [ 4110.811264] [] ? SYSC_newfstatat+0xc9/0x10c [ 4110.834047] [] ? SYSC_newlstat+0xf4/0xf4 [ 4110.858139] [] SyS_unlinkat+0x59/0x6e [ 4110.879527] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4110.908385] ================================================================================ [ 4110.940244] ================================================================================ [ 4110.968499] UBSAN: Undefined behaviour in fs/ext4/namei.c:2331:36 [ 4110.989343] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4111.031312] which requires 64 byte alignment [ 4111.045325] CPU: 0 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4111.067695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4111.103390] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7ab8 ffffffffb26ec5cc [ 4111.128807] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4111.157171] ffffffff00000010 ffff88005b1f7ae0 ffff88005b1f7a90 ffffffffb363c3e0 [ 4111.181133] Call Trace: [ 4111.190779] [] dump_stack+0xd7/0x132 [ 4111.213959] [] ? arch_local_irq_restore+0x1b/0x1b [ 4111.238241] [] ubsan_epilogue+0x12/0x53 [ 4111.262441] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4111.283729] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4111.311283] [] ext4_generic_delete_entry+0x6f/0x308 [ 4111.337383] [] ext4_delete_entry+0x1d2/0x285 [ 4111.358665] [] ? ext4_generic_delete_entry+0x308/0x308 [ 4111.382770] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 4111.408094] [] ext4_unlink+0x4e7/0x7d8 [ 4111.424706] [] ? ext4_rmdir+0x6ac/0x6ac [ 4111.445561] [] ? break_deleg+0xf3/0x102 [ 4111.483343] [] vfs_unlink+0x182/0x208 [ 4111.500991] [] do_unlinkat+0x29c/0x41a [ 4111.519532] [] ? do_rmdir+0x306/0x306 [ 4111.537424] [] ? SYSC_newfstatat+0xc9/0x10c [ 4111.559597] [] ? SYSC_newlstat+0xf4/0xf4 [ 4111.581277] [] SyS_unlinkat+0x59/0x6e [ 4111.604956] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4111.626917] ================================================================================ [ 4111.656892] ================================================================================ [ 4111.689047] UBSAN: Undefined behaviour in fs/ext4/truncate.h:27:42 [ 4111.713710] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4111.743864] which requires 64 byte alignment [ 4111.760945] CPU: 0 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4111.785013] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4111.820976] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7b88 ffffffffb26ec5cc [ 4111.844888] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4111.873744] ffff880000000010 ffff88005b1f7bb0 ffff88005b1f7b60 ffffffffb363c3e0 [ 4111.899223] Call Trace: [ 4111.908577] [] dump_stack+0xd7/0x132 [ 4111.924921] [] ? arch_local_irq_restore+0x1b/0x1b [ 4111.949499] [] ubsan_epilogue+0x12/0x53 [ 4111.969782] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4111.995238] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4112.019846] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4112.046883] [] ? jbd2_journal_begin_ordered_truncate+0x156/0x164 [ 4112.073487] [] ext4_blocks_for_truncate+0x85/0x244 [ 4112.097583] [] ? percpu_down_read+0x5f/0x8b [ 4112.116153] [] ? ext4_da_write_begin+0x683/0x683 [ 4112.136798] [] ext4_evict_inode+0x2a3/0x724 [ 4112.154192] [] ? ext4_da_write_begin+0x683/0x683 [ 4112.174824] [] evict+0x304/0x524 [ 4112.199864] [] ? destroy_inode+0x168/0x168 [ 4112.274846] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4112.316750] [] iput+0x561/0x6be [ 4112.331118] [] do_unlinkat+0x2fa/0x41a [ 4112.355437] [] ? do_rmdir+0x306/0x306 [ 4112.447531] [] ? SYSC_newfstatat+0xc9/0x10c [ 4112.465401] [] ? SYSC_newlstat+0xf4/0xf4 [ 4112.482674] [] SyS_unlinkat+0x59/0x6e [ 4112.500547] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4112.521025] ================================================================================ [ 4112.548626] ================================================================================ [ 4112.577446] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4112.597102] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4112.625370] which requires 64 byte alignment [ 4112.641325] CPU: 0 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4112.664821] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4112.703490] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7b88 ffffffffb26ec5cc [ 4112.740474] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4112.780459] ffffffff00000010 ffff88005b1f7bb0 ffff88005b1f7b60 ffffffffb363c3e0 [ 4112.862027] Call Trace: [ 4112.909141] [] dump_stack+0xd7/0x132 [ 4112.952583] [] ? arch_local_irq_restore+0x1b/0x1b [ 4113.029261] [] ubsan_epilogue+0x12/0x53 [ 4113.068673] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4113.090230] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4113.114610] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4113.139856] [] ? jbd2_journal_begin_ordered_truncate+0x156/0x164 [ 4113.166113] [] ext4_blocks_for_truncate+0x11d/0x244 [ 4113.186405] [] ? ext4_da_write_begin+0x683/0x683 [ 4113.205494] [] ext4_evict_inode+0x2a3/0x724 [ 4113.225967] [] ? ext4_da_write_begin+0x683/0x683 [ 4113.245706] [] evict+0x304/0x524 [ 4113.263020] [] ? destroy_inode+0x168/0x168 [ 4113.280470] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4113.303216] [] iput+0x561/0x6be [ 4113.327578] [] do_unlinkat+0x2fa/0x41a [ 4113.343822] [] ? do_rmdir+0x306/0x306 [ 4113.363468] [] ? SYSC_newfstatat+0xc9/0x10c [ 4113.381790] [] ? SYSC_newlstat+0xf4/0xf4 [ 4113.403438] [] SyS_unlinkat+0x59/0x6e [ 4113.420779] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4113.466173] ================================================================================ [ 4113.512904] ================================================================================ [ 4113.546914] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1780:1 [ 4113.566515] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4113.632057] which requires 64 byte alignment [ 4113.656085] CPU: 0 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4113.699158] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4113.965641] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7b88 ffffffffb26ec5cc [ 4114.014062] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4114.057624] ffffffff00000010 ffff88005b1f7bb0 ffff88005b1f7b60 ffffffffb363c3e0 [ 4114.096746] Call Trace: [ 4114.114180] [] dump_stack+0xd7/0x132 [ 4114.144475] [] ? arch_local_irq_restore+0x1b/0x1b [ 4114.185399] [] ubsan_epilogue+0x12/0x53 [ 4114.217609] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4114.252102] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4114.312170] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4114.387804] [] ? jbd2_journal_begin_ordered_truncate+0x156/0x164 [ 4114.475213] [] ext4_blocks_for_truncate+0x14a/0x244 [ 4114.516784] [] ? ext4_da_write_begin+0x683/0x683 [ 4114.587736] [] ext4_evict_inode+0x2a3/0x724 [ 4114.652828] [] ? ext4_da_write_begin+0x683/0x683 [ 4114.713133] [] evict+0x304/0x524 [ 4114.760560] [] ? destroy_inode+0x168/0x168 [ 4114.820346] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4114.868017] [] iput+0x561/0x6be [ 4114.899032] [] do_unlinkat+0x2fa/0x41a [ 4114.930525] [] ? do_rmdir+0x306/0x306 [ 4114.954803] [] ? SYSC_newfstatat+0xc9/0x10c [ 4115.010239] [] ? SYSC_newlstat+0xf4/0xf4 [ 4115.062011] [] SyS_unlinkat+0x59/0x6e [ 4115.079119] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4115.114116] ================================================================================ [ 4115.166281] ================================================================================ [ 4115.220540] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4115.253724] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4115.304800] which requires 64 byte alignment [ 4115.331587] CPU: 0 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4115.375607] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4115.426682] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7b88 ffffffffb26ec5cc [ 4115.474376] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4115.525720] ffffffff00000010 ffff88005b1f7bb0 ffff88005b1f7b60 ffffffffb363c3e0 [ 4115.570151] Call Trace: [ 4115.588331] [] dump_stack+0xd7/0x132 [ 4115.610919] [] ? arch_local_irq_restore+0x1b/0x1b [ 4115.657278] [] ubsan_epilogue+0x12/0x53 [ 4115.681919] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4115.718618] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4115.770464] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4115.810106] [] ? jbd2_journal_begin_ordered_truncate+0x156/0x164 [ 4115.858399] [] ext4_blocks_for_truncate+0x1c9/0x244 [ 4115.902276] [] ? ext4_da_write_begin+0x683/0x683 [ 4115.939028] [] ext4_evict_inode+0x2a3/0x724 [ 4115.977738] [] ? ext4_da_write_begin+0x683/0x683 [ 4116.011833] [] evict+0x304/0x524 [ 4116.042683] [] ? destroy_inode+0x168/0x168 [ 4116.075319] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4116.114323] [] iput+0x561/0x6be [ 4116.137451] [] do_unlinkat+0x2fa/0x41a [ 4116.171284] [] ? do_rmdir+0x306/0x306 [ 4116.203977] [] ? SYSC_newfstatat+0xc9/0x10c [ 4116.246837] [] ? SYSC_newlstat+0xf4/0xf4 [ 4116.285490] [] SyS_unlinkat+0x59/0x6e [ 4116.321976] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4116.363715] ================================================================================ [ 4116.430121] ================================================================================ [ 4116.489518] UBSAN: Undefined behaviour in fs/ext4/truncate.h:43:9 [ 4116.509407] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4116.575832] which requires 64 byte alignment [ 4116.604249] CPU: 0 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4116.640572] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4116.704648] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7b88 ffffffffb26ec5cc [ 4116.744604] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4116.793272] ffffffff00000010 ffff88005b1f7bb0 ffff88005b1f7b60 ffffffffb363c3e0 [ 4116.843359] Call Trace: [ 4116.855590] [] dump_stack+0xd7/0x132 [ 4116.889741] [] ? arch_local_irq_restore+0x1b/0x1b [ 4116.923104] [] ubsan_epilogue+0x12/0x53 [ 4116.963584] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4117.005640] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4117.056405] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4117.086148] [] ? jbd2_journal_begin_ordered_truncate+0x156/0x164 [ 4117.128781] [] ext4_blocks_for_truncate+0x1e3/0x244 [ 4117.169590] [] ? ext4_da_write_begin+0x683/0x683 [ 4117.207680] [] ext4_evict_inode+0x2a3/0x724 [ 4117.244254] [] ? ext4_da_write_begin+0x683/0x683 [ 4117.291465] [] evict+0x304/0x524 [ 4117.306733] [] ? destroy_inode+0x168/0x168 [ 4117.346419] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4117.381961] [] iput+0x561/0x6be [ 4117.431335] [] do_unlinkat+0x2fa/0x41a [ 4117.459396] [] ? do_rmdir+0x306/0x306 [ 4117.493307] [] ? SYSC_newfstatat+0xc9/0x10c [ 4117.519409] [] ? SYSC_newlstat+0xf4/0xf4 [ 4117.555365] [] SyS_unlinkat+0x59/0x6e [ 4117.592230] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4117.632307] ================================================================================ [ 4117.703496] ================================================================================ [ 4117.759726] UBSAN: Undefined behaviour in fs/ext4/inode.c:255:6 [ 4117.785165] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4117.841048] which requires 64 byte alignment [ 4117.858111] CPU: 1 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4117.895466] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4117.955891] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7bc8 ffffffffb26ec5cc [ 4117.992881] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4118.036406] ffffffff00000010 ffff88005b1f7bf0 ffff88005b1f7ba0 ffffffffb363c3e0 [ 4118.094190] Call Trace: [ 4118.101010] [] dump_stack+0xd7/0x132 [ 4118.120812] [] ? arch_local_irq_restore+0x1b/0x1b [ 4118.154957] [] ubsan_epilogue+0x12/0x53 [ 4118.195802] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4118.222366] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4118.262709] [] ext4_evict_inode+0x37e/0x724 [ 4118.303872] [] ? ext4_da_write_begin+0x683/0x683 [ 4118.336451] [] evict+0x304/0x524 [ 4118.366260] [] ? destroy_inode+0x168/0x168 [ 4118.399842] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4118.435840] [] iput+0x561/0x6be [ 4118.462032] [] do_unlinkat+0x2fa/0x41a [ 4118.493964] [] ? do_rmdir+0x306/0x306 [ 4118.524653] [] ? SYSC_newfstatat+0xc9/0x10c [ 4118.556731] [] ? SYSC_newlstat+0xf4/0xf4 [ 4118.588799] [] SyS_unlinkat+0x59/0x6e [ 4118.623959] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4118.659651] ================================================================================ [ 4118.709346] ================================================================================ [ 4118.747260] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4118.783640] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4118.831111] which requires 64 byte alignment [ 4118.854626] CPU: 1 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4118.893357] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4118.958694] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7ae8 ffffffffb26ec5cc [ 4118.997578] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4119.037697] 0000000000000010 ffff88005b1f7b10 ffff88005b1f7ac0 ffffffffb363c3e0 [ 4119.077609] Call Trace: [ 4119.090985] [] dump_stack+0xd7/0x132 [ 4119.116521] [] ? arch_local_irq_restore+0x1b/0x1b [ 4119.160414] [] ubsan_epilogue+0x12/0x53 [ 4119.195093] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4119.228670] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4119.265815] [] ext4_free_inode+0x227/0xa8e [ 4119.297093] [] ? ext4_reserve_inode_write+0x125/0x125 [ 4119.331650] [] ? ext4_read_inode_bitmap+0xa37/0xa37 [ 4119.364819] [] ext4_evict_inode+0x612/0x724 [ 4119.399844] [] ? ext4_da_write_begin+0x683/0x683 [ 4119.425848] [] evict+0x304/0x524 [ 4119.457619] [] ? destroy_inode+0x168/0x168 [ 4119.507035] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4119.522972] [] iput+0x561/0x6be [ 4119.554829] [] do_unlinkat+0x2fa/0x41a [ 4119.583327] [] ? do_rmdir+0x306/0x306 [ 4119.615582] [] ? SYSC_newfstatat+0xc9/0x10c [ 4119.649989] [] ? SYSC_newlstat+0xf4/0xf4 [ 4119.683678] [] SyS_unlinkat+0x59/0x6e [ 4119.712055] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4119.941228] ================================================================================ [ 4119.966519] ================================================================================ [ 4119.991667] UBSAN: Undefined behaviour in fs/quota/dquot.c:918:20 [ 4120.007832] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4120.032330] which requires 64 byte alignment [ 4120.044334] CPU: 1 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4120.061247] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4120.085289] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7a98 ffffffffb26ec5cc [ 4120.115479] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4120.135131] ffff880000000010 ffff88005b1f7ac0 ffff88005b1f7a70 ffffffffb363c3e0 [ 4120.163633] Call Trace: [ 4120.179973] [] dump_stack+0xd7/0x132 [ 4120.204187] [] ? arch_local_irq_restore+0x1b/0x1b [ 4120.240678] [] ubsan_epilogue+0x12/0x53 [ 4120.274371] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4120.306580] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4120.354006] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4120.397534] [] i_dquot+0x4f/0x95 [ 4120.416321] [] dquot_drop+0x58/0xb2 [ 4120.445694] [] ext4_free_inode+0x302/0xa8e [ 4120.481083] [] ? ext4_read_inode_bitmap+0xa37/0xa37 [ 4120.517614] [] ext4_evict_inode+0x612/0x724 [ 4120.541861] [] ? ext4_da_write_begin+0x683/0x683 [ 4120.592253] [] evict+0x304/0x524 [ 4120.616125] [] ? destroy_inode+0x168/0x168 [ 4120.642817] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4120.683868] [] iput+0x561/0x6be [ 4120.711679] [] do_unlinkat+0x2fa/0x41a [ 4120.739263] [] ? do_rmdir+0x306/0x306 [ 4120.777483] [] ? SYSC_newfstatat+0xc9/0x10c [ 4120.813778] [] ? SYSC_newlstat+0xf4/0xf4 [ 4120.847744] [] SyS_unlinkat+0x59/0x6e [ 4121.038574] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4121.056784] ================================================================================ [ 4121.078558] ================================================================================ [ 4121.104048] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4121.120035] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4121.148414] which requires 64 byte alignment [ 4121.158990] CPU: 1 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4121.176891] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4121.203910] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7ab0 ffffffffb26ec5cc [ 4121.243384] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4121.290998] ffffffff00000010 ffff88005b1f7ad8 ffff88005b1f7a88 ffffffffb363c3e0 [ 4121.331789] Call Trace: [ 4121.346998] [] dump_stack+0xd7/0x132 [ 4121.373498] [] ? arch_local_irq_restore+0x1b/0x1b [ 4121.406828] [] ubsan_epilogue+0x12/0x53 [ 4121.437839] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4121.475872] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4121.513746] [] ? ext4_get_dquots+0x12/0x1c [ 4121.542612] [] ext4_clear_inode+0xe6/0x1b9 [ 4121.577414] [] ext4_free_inode+0x337/0xa8e [ 4121.607726] [] ? ext4_read_inode_bitmap+0xa37/0xa37 [ 4121.644302] [] ext4_evict_inode+0x612/0x724 [ 4121.677979] [] ? ext4_da_write_begin+0x683/0x683 [ 4121.717488] [] evict+0x304/0x524 [ 4121.746387] [] ? destroy_inode+0x168/0x168 [ 4121.783120] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4121.821160] [] iput+0x561/0x6be [ 4121.842612] [] do_unlinkat+0x2fa/0x41a [ 4121.870989] [] ? do_rmdir+0x306/0x306 [ 4121.906948] [] ? SYSC_newfstatat+0xc9/0x10c [ 4121.939139] [] ? SYSC_newlstat+0xf4/0xf4 [ 4121.969897] [] SyS_unlinkat+0x59/0x6e [ 4122.007444] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4122.039935] ================================================================================ [ 4122.093982] ================================================================================ [ 4122.271669] UBSAN: Undefined behaviour in fs/ext4/super.c:1025:34 [ 4122.289011] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4122.314859] which requires 64 byte alignment [ 4122.327789] CPU: 1 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4122.345963] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4122.373160] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7ab0 ffffffffb26ec5cc [ 4122.394015] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4122.419339] ffff880000000010 ffff88005b1f7ad8 ffff88005b1f7a88 ffffffffb363c3e0 [ 4122.461466] Call Trace: [ 4122.478254] [] dump_stack+0xd7/0x132 [ 4122.508609] [] ? arch_local_irq_restore+0x1b/0x1b [ 4122.538718] [] ubsan_epilogue+0x12/0x53 [ 4122.572010] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4122.610406] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4122.652905] [] ? ext4_get_dquots+0x12/0x1c [ 4122.685367] [] ext4_clear_inode+0x113/0x1b9 [ 4122.721244] [] ext4_free_inode+0x337/0xa8e [ 4122.750453] [] ? ext4_read_inode_bitmap+0xa37/0xa37 [ 4122.787582] [] ext4_evict_inode+0x612/0x724 [ 4122.819763] [] ? ext4_da_write_begin+0x683/0x683 [ 4122.856995] [] evict+0x304/0x524 [ 4122.880813] [] ? destroy_inode+0x168/0x168 [ 4122.909740] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4122.941348] [] iput+0x561/0x6be [ 4122.967674] [] do_unlinkat+0x2fa/0x41a [ 4122.995007] [] ? do_rmdir+0x306/0x306 [ 4123.195676] [] ? SYSC_newfstatat+0xc9/0x10c [ 4123.214504] [] ? SYSC_newlstat+0xf4/0xf4 [ 4123.231464] [] SyS_unlinkat+0x59/0x6e [ 4123.244003] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4123.262153] ================================================================================ [ 4123.286188] ================================================================================ [ 4123.308197] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4123.323135] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4123.347378] which requires 64 byte alignment [ 4123.360278] CPU: 1 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4123.382930] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4123.435849] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7ae8 ffffffffb26ec5cc [ 4123.474075] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4123.515455] 0000000000000010 ffff88005b1f7b10 ffff88005b1f7ac0 ffffffffb363c3e0 [ 4123.562239] Call Trace: [ 4123.579386] [] dump_stack+0xd7/0x132 [ 4123.606548] [] ? arch_local_irq_restore+0x1b/0x1b [ 4123.650362] [] ubsan_epilogue+0x12/0x53 [ 4123.679340] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4123.718970] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4123.752001] [] ? fscrypt_put_encryption_info+0x81/0x86 [ 4123.792726] [] ext4_free_inode+0x350/0xa8e [ 4123.821536] [] ? ext4_read_inode_bitmap+0xa37/0xa37 [ 4123.859606] [] ext4_evict_inode+0x612/0x724 [ 4123.885513] [] ? ext4_da_write_begin+0x683/0x683 [ 4124.091304] [] evict+0x304/0x524 [ 4124.104183] [] ? destroy_inode+0x168/0x168 [ 4124.121676] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4124.139190] [] iput+0x561/0x6be [ 4124.151761] [] do_unlinkat+0x2fa/0x41a [ 4124.165064] [] ? do_rmdir+0x306/0x306 [ 4124.180923] [] ? SYSC_newfstatat+0xc9/0x10c [ 4124.200209] [] ? SYSC_newlstat+0xf4/0xf4 [ 4124.213198] [] SyS_unlinkat+0x59/0x6e [ 4124.227279] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4124.243774] ================================================================================ [ 4124.311319] ================================================================================ [ 4124.361443] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:304:5 [ 4124.389975] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4124.440708] which requires 64 byte alignment [ 4124.470032] CPU: 1 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4124.505856] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4124.564017] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7ae8 ffffffffb26ec5cc [ 4124.608667] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4124.647838] ffffffff00000010 ffff88005b1f7b10 ffff88005b1f7ac0 ffffffffb363c3e0 [ 4124.696337] Call Trace: [ 4124.702459] [] dump_stack+0xd7/0x132 [ 4124.732277] [] ? arch_local_irq_restore+0x1b/0x1b [ 4124.772827] [] ubsan_epilogue+0x12/0x53 [ 4124.801405] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4124.836890] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4124.881421] [] ? fscrypt_put_encryption_info+0x81/0x86 [ 4124.916275] [] ext4_free_inode+0x37d/0xa8e [ 4125.122333] [] ? ext4_read_inode_bitmap+0xa37/0xa37 [ 4125.141717] [] ext4_evict_inode+0x612/0x724 [ 4125.156628] [] ? ext4_da_write_begin+0x683/0x683 [ 4125.170318] [] evict+0x304/0x524 [ 4125.183694] [] ? destroy_inode+0x168/0x168 [ 4125.201678] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4125.222765] [] iput+0x561/0x6be [ 4125.237158] [] do_unlinkat+0x2fa/0x41a [ 4125.251010] [] ? do_rmdir+0x306/0x306 [ 4125.266042] [] ? SYSC_newfstatat+0xc9/0x10c [ 4125.282883] [] ? SYSC_newlstat+0xf4/0xf4 [ 4125.298908] [] SyS_unlinkat+0x59/0x6e [ 4125.312835] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4125.348908] ================================================================================ [ 4125.393635] ================================================================================ [ 4125.444191] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4125.466440] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4125.534184] which requires 64 byte alignment [ 4125.550305] CPU: 1 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4125.594912] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4125.646938] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7ae8 ffffffffb26ec5cc [ 4125.689492] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4125.728130] ffffffff00000010 ffff88005b1f7b10 ffff88005b1f7ac0 ffffffffb363c3e0 [ 4125.770761] Call Trace: [ 4125.784831] [] dump_stack+0xd7/0x132 [ 4125.810206] [] ? arch_local_irq_restore+0x1b/0x1b [ 4125.850223] [] ubsan_epilogue+0x12/0x53 [ 4125.876178] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4125.913039] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4125.953561] [] ? fscrypt_put_encryption_info+0x81/0x86 [ 4125.992965] [] ext4_free_inode+0x3a5/0xa8e [ 4126.028211] [] ? ext4_read_inode_bitmap+0xa37/0xa37 [ 4126.237935] [] ext4_evict_inode+0x612/0x724 [ 4126.253809] [] ? ext4_da_write_begin+0x683/0x683 [ 4126.270060] [] evict+0x304/0x524 [ 4126.283978] [] ? destroy_inode+0x168/0x168 [ 4126.298303] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4126.316119] [] iput+0x561/0x6be [ 4126.329761] [] do_unlinkat+0x2fa/0x41a [ 4126.344781] [] ? do_rmdir+0x306/0x306 [ 4126.360354] [] ? SYSC_newfstatat+0xc9/0x10c [ 4126.375331] [] ? SYSC_newlstat+0xf4/0xf4 [ 4126.391038] [] SyS_unlinkat+0x59/0x6e [ 4126.406647] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4126.450178] ================================================================================ [ 4126.497271] ================================================================================ [ 4126.543497] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:305:12 [ 4126.578581] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4126.628773] which requires 64 byte alignment [ 4126.648762] CPU: 1 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4126.695635] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4126.736073] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7ae8 ffffffffb26ec5cc [ 4126.783109] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4126.828098] ffffffff00000010 ffff88005b1f7b10 ffff88005b1f7ac0 ffffffffb363c3e0 [ 4126.870321] Call Trace: [ 4126.882194] [] dump_stack+0xd7/0x132 [ 4126.913199] [] ? arch_local_irq_restore+0x1b/0x1b [ 4126.947970] [] ubsan_epilogue+0x12/0x53 [ 4126.974639] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4127.014127] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4127.054916] [] ? fscrypt_put_encryption_info+0x81/0x86 [ 4127.087199] [] ext4_free_inode+0x3bf/0xa8e [ 4127.119843] [] ? ext4_read_inode_bitmap+0xa37/0xa37 [ 4127.163939] [] ext4_evict_inode+0x612/0x724 [ 4127.189308] [] ? ext4_da_write_begin+0x683/0x683 [ 4127.406731] [] evict+0x304/0x524 [ 4127.421897] [] ? destroy_inode+0x168/0x168 [ 4127.436075] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4127.454498] [] iput+0x561/0x6be [ 4127.465980] [] do_unlinkat+0x2fa/0x41a [ 4127.480964] [] ? do_rmdir+0x306/0x306 [ 4127.496763] [] ? SYSC_newfstatat+0xc9/0x10c [ 4127.512784] [] ? SYSC_newlstat+0xf4/0xf4 [ 4127.528047] [] SyS_unlinkat+0x59/0x6e [ 4127.542783] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4127.560394] ================================================================================ [ 4127.582527] ================================================================================ [ 4127.619387] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4127.650721] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4127.704508] which requires 64 byte alignment [ 4127.729244] CPU: 1 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4127.777705] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4127.829778] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7ae8 ffffffffb26ec5cc [ 4127.874663] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4127.926014] ffffffff00000010 ffff88005b1f7b10 ffff88005b1f7ac0 ffffffffb363c3e0 [ 4127.969498] Call Trace: [ 4127.983288] [] dump_stack+0xd7/0x132 [ 4128.007577] [] ? arch_local_irq_restore+0x1b/0x1b [ 4128.046260] [] ubsan_epilogue+0x12/0x53 [ 4128.077880] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4128.121961] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4128.159622] [] ? fscrypt_put_encryption_info+0x81/0x86 [ 4128.204460] [] ext4_free_inode+0x45e/0xa8e [ 4128.227976] [] ? ext4_read_inode_bitmap+0xa37/0xa37 [ 4128.266307] [] ext4_evict_inode+0x612/0x724 [ 4128.304607] [] ? ext4_da_write_begin+0x683/0x683 [ 4128.335274] [] evict+0x304/0x524 [ 4128.363904] [] ? destroy_inode+0x168/0x168 [ 4128.525990] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4128.544753] [] iput+0x561/0x6be [ 4128.559826] [] do_unlinkat+0x2fa/0x41a [ 4128.573631] [] ? do_rmdir+0x306/0x306 [ 4128.590140] [] ? SYSC_newfstatat+0xc9/0x10c [ 4128.607290] [] ? SYSC_newlstat+0xf4/0xf4 [ 4128.624933] [] SyS_unlinkat+0x59/0x6e [ 4128.638148] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4128.654933] ================================================================================ [ 4128.694373] ================================================================================ [ 4128.745718] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:309:28 [ 4128.775918] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4128.828591] which requires 64 byte alignment [ 4128.852747] CPU: 1 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4128.889263] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4128.937159] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7ae8 ffffffffb26ec5cc [ 4128.984096] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4129.026441] ffffffff00000010 ffff88005b1f7b10 ffff88005b1f7ac0 ffffffffb363c3e0 [ 4129.064796] Call Trace: [ 4129.082693] [] dump_stack+0xd7/0x132 [ 4129.107723] [] ? arch_local_irq_restore+0x1b/0x1b [ 4129.143662] [] ubsan_epilogue+0x12/0x53 [ 4129.180122] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4129.213952] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4129.261666] [] ? fscrypt_put_encryption_info+0x81/0x86 [ 4129.306073] [] ext4_free_inode+0x478/0xa8e [ 4129.341105] [] ? ext4_read_inode_bitmap+0xa37/0xa37 [ 4129.371207] [] ext4_evict_inode+0x612/0x724 [ 4129.411803] [] ? ext4_da_write_begin+0x683/0x683 [ 4129.446763] [] evict+0x304/0x524 [ 4129.478688] [] ? destroy_inode+0x168/0x168 [ 4129.508659] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4129.546564] [] iput+0x561/0x6be [ 4129.572542] [] do_unlinkat+0x2fa/0x41a [ 4129.603577] [] ? do_rmdir+0x306/0x306 [ 4129.632466] [] ? SYSC_newfstatat+0xc9/0x10c [ 4129.663289] [] ? SYSC_newlstat+0xf4/0xf4 [ 4129.690504] [] SyS_unlinkat+0x59/0x6e [ 4129.717336] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4129.754972] ================================================================================ [ 4129.807667] ================================================================================ [ 4129.864314] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4129.906407] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4129.959302] which requires 64 byte alignment [ 4130.030121] CPU: 1 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4130.139150] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4130.228084] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7ae8 ffffffffb26ec5cc [ 4130.256916] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4130.313485] ffffffff00000010 ffff88005b1f7b10 ffff88005b1f7ac0 ffffffffb363c3e0 [ 4130.388560] Call Trace: [ 4130.413042] [] dump_stack+0xd7/0x132 [ 4130.456740] [] ? arch_local_irq_restore+0x1b/0x1b [ 4130.527436] [] ubsan_epilogue+0x12/0x53 [ 4130.560651] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4130.630713] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4130.693102] [] ? fscrypt_put_encryption_info+0x81/0x86 [ 4130.788923] [] ext4_free_inode+0x4e8/0xa8e [ 4130.873213] [] ? ext4_read_inode_bitmap+0xa37/0xa37 [ 4130.991805] [] ext4_evict_inode+0x612/0x724 [ 4131.045338] [] ? ext4_da_write_begin+0x683/0x683 [ 4131.113664] [] evict+0x304/0x524 [ 4131.143915] [] ? destroy_inode+0x168/0x168 [ 4131.193909] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4131.243079] [] iput+0x561/0x6be [ 4131.282067] [] do_unlinkat+0x2fa/0x41a [ 4131.317453] [] ? do_rmdir+0x306/0x306 [ 4131.337745] [] ? SYSC_newfstatat+0xc9/0x10c [ 4131.367975] [] ? SYSC_newlstat+0xf4/0xf4 [ 4131.406468] [] SyS_unlinkat+0x59/0x6e [ 4131.432197] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4131.476320] ================================================================================ [ 4131.526801] ================================================================================ [ 4131.574894] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:310:20 [ 4131.606372] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4131.649091] which requires 64 byte alignment [ 4131.680024] CPU: 1 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4131.710594] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4131.763353] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7ae8 ffffffffb26ec5cc [ 4131.824496] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4131.886373] ffffffff00000010 ffff88005b1f7b10 ffff88005b1f7ac0 ffffffffb363c3e0 [ 4131.919726] Call Trace: [ 4131.931510] [] dump_stack+0xd7/0x132 [ 4131.964785] [] ? arch_local_irq_restore+0x1b/0x1b [ 4131.996275] [] ubsan_epilogue+0x12/0x53 [ 4132.029158] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4132.063017] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4132.098542] [] ? fscrypt_put_encryption_info+0x81/0x86 [ 4132.148728] [] ext4_free_inode+0x515/0xa8e [ 4132.182603] [] ? ext4_read_inode_bitmap+0xa37/0xa37 [ 4132.212938] [] ext4_evict_inode+0x612/0x724 [ 4132.263785] [] ? ext4_da_write_begin+0x683/0x683 [ 4132.299325] [] evict+0x304/0x524 [ 4132.320214] [] ? destroy_inode+0x168/0x168 [ 4132.371991] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4132.401102] [] iput+0x561/0x6be [ 4132.429334] [] do_unlinkat+0x2fa/0x41a [ 4132.475345] [] ? do_rmdir+0x306/0x306 [ 4132.507115] [] ? SYSC_newfstatat+0xc9/0x10c [ 4132.536238] [] ? SYSC_newlstat+0xf4/0xf4 [ 4132.565999] [] SyS_unlinkat+0x59/0x6e [ 4132.603165] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4132.651509] ================================================================================ [ 4132.706534] ================================================================================ [ 4132.757323] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4132.786105] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4132.831582] which requires 64 byte alignment [ 4132.859810] CPU: 0 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4132.898637] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4132.941617] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7ae8 ffffffffb26ec5cc [ 4132.989043] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4133.022359] 0000000000000010 ffff88005b1f7b10 ffff88005b1f7ac0 ffffffffb363c3e0 [ 4133.069325] Call Trace: [ 4133.076860] [] dump_stack+0xd7/0x132 [ 4133.110631] [] ? arch_local_irq_restore+0x1b/0x1b [ 4133.140117] [] ubsan_epilogue+0x12/0x53 [ 4133.171896] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4133.212770] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4133.270274] [] ext4_free_inode+0x75c/0xa8e [ 4133.300656] [] ? ext4_read_inode_bitmap+0xa37/0xa37 [ 4133.339542] [] ext4_evict_inode+0x612/0x724 [ 4133.369553] [] ? ext4_da_write_begin+0x683/0x683 [ 4133.401968] [] evict+0x304/0x524 [ 4133.427204] [] ? destroy_inode+0x168/0x168 [ 4133.454042] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4133.489810] [] iput+0x561/0x6be [ 4133.510094] [] do_unlinkat+0x2fa/0x41a [ 4133.538447] [] ? do_rmdir+0x306/0x306 [ 4133.572782] [] ? SYSC_newfstatat+0xc9/0x10c [ 4133.610014] [] ? SYSC_newlstat+0xf4/0xf4 [ 4133.638258] [] SyS_unlinkat+0x59/0x6e [ 4133.665118] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4133.701584] ================================================================================ [ 4133.746228] ================================================================================ [ 4133.794029] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:350:8 [ 4133.827692] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4133.886891] which requires 64 byte alignment [ 4133.905129] CPU: 0 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4133.955023] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4133.996949] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7ae8 ffffffffb26ec5cc [ 4134.038136] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4134.073389] ffffffff00000010 ffff88005b1f7b10 ffff88005b1f7ac0 ffffffffb363c3e0 [ 4134.121460] Call Trace: [ 4134.127124] [] dump_stack+0xd7/0x132 [ 4134.156948] [] ? arch_local_irq_restore+0x1b/0x1b [ 4134.191351] [] ubsan_epilogue+0x12/0x53 [ 4134.221136] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4134.259068] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4134.293642] [] ext4_free_inode+0x789/0xa8e [ 4134.329272] [] ? ext4_read_inode_bitmap+0xa37/0xa37 [ 4134.373129] [] ext4_evict_inode+0x612/0x724 [ 4134.407188] [] ? ext4_da_write_begin+0x683/0x683 [ 4134.457202] [] evict+0x304/0x524 [ 4134.522088] [] ? destroy_inode+0x168/0x168 [ 4134.545902] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4134.595327] [] iput+0x561/0x6be [ 4134.628078] [] do_unlinkat+0x2fa/0x41a [ 4134.667065] [] ? do_rmdir+0x306/0x306 [ 4134.714643] [] ? SYSC_newfstatat+0xc9/0x10c [ 4134.742171] [] ? SYSC_newlstat+0xf4/0xf4 [ 4134.782063] [] SyS_unlinkat+0x59/0x6e [ 4134.820436] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4134.861325] ================================================================================ [ 4134.920322] ================================================================================ [ 4134.967248] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:355:9 [ 4134.999269] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4135.062690] which requires 64 byte alignment [ 4135.084952] CPU: 0 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4135.123279] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4135.178633] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7ae8 ffffffffb26ec5cc [ 4135.222670] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4135.277135] ffff880000000010 ffff88005b1f7b10 ffff88005b1f7ac0 ffffffffb363c3e0 [ 4135.325328] Call Trace: [ 4135.332274] [] dump_stack+0xd7/0x132 [ 4135.362310] [] ? arch_local_irq_restore+0x1b/0x1b [ 4135.396468] [] ubsan_epilogue+0x12/0x53 [ 4135.434240] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4135.458890] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4135.503125] [] ? __percpu_counter_add+0x180/0x18c [ 4135.542701] [] ext4_free_inode+0x802/0xa8e [ 4135.573987] [] ? ext4_read_inode_bitmap+0xa37/0xa37 [ 4135.608859] [] ext4_evict_inode+0x612/0x724 [ 4135.634351] [] ? ext4_da_write_begin+0x683/0x683 [ 4135.691703] [] evict+0x304/0x524 [ 4135.718713] [] ? destroy_inode+0x168/0x168 [ 4135.746731] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4135.779426] [] iput+0x561/0x6be [ 4135.805130] [] do_unlinkat+0x2fa/0x41a [ 4135.833993] [] ? do_rmdir+0x306/0x306 [ 4135.864584] [] ? SYSC_newfstatat+0xc9/0x10c [ 4135.896235] [] ? SYSC_newlstat+0xf4/0xf4 [ 4135.925737] [] SyS_unlinkat+0x59/0x6e [ 4135.971661] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4136.007882] ================================================================================ [ 4136.050426] ================================================================================ [ 4136.094457] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:358:18 [ 4136.125656] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4136.175845] which requires 64 byte alignment [ 4136.193957] CPU: 0 PID: 1561 Comm: rm Tainted: G L 4.8.11 #1 [ 4136.234360] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4136.298382] 00000000ffffffff 0000000046d6c2a6 ffff88005b1f7ae8 ffffffffb26ec5cc [ 4136.340210] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4136.398850] ffffffff00000010 ffff88005b1f7b10 ffff88005b1f7ac0 ffffffffb363c3e0 [ 4136.425925] Call Trace: [ 4136.446671] [] dump_stack+0xd7/0x132 [ 4136.471236] [] ? arch_local_irq_restore+0x1b/0x1b [ 4136.515805] [] ubsan_epilogue+0x12/0x53 [ 4136.538396] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4136.570823] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4136.614965] [] ? __percpu_counter_add+0x180/0x18c [ 4136.653877] [] ext4_free_inode+0x84c/0xa8e [ 4136.694139] [] ? ext4_read_inode_bitmap+0xa37/0xa37 [ 4136.723713] [] ext4_evict_inode+0x612/0x724 [ 4136.761724] [] ? ext4_da_write_begin+0x683/0x683 [ 4136.790044] [] evict+0x304/0x524 [ 4136.817425] [] ? destroy_inode+0x168/0x168 [ 4136.867176] [] ? ext4_ext_get_actual_len+0x90/0x90 [ 4136.902748] [] iput+0x561/0x6be [ 4136.920289] [] do_unlinkat+0x2fa/0x41a [ 4136.959958] [] ? do_rmdir+0x306/0x306 [ 4136.989305] [] ? SYSC_newfstatat+0xc9/0x10c [ 4137.016335] [] ? SYSC_newlstat+0xf4/0xf4 [ 4137.061978] [] SyS_unlinkat+0x59/0x6e [ 4137.096091] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4137.126476] ================================================================================ INIT: [ 4137.492348] ================================================================================ [ 4137.677745] UBSAN: Undefined behaviour in kernel/sched/fair.c:277:11 [ 4137.798414] member access within misaligned address ffff88005b1f3c38 for type 'struct sched_entity' [ 4137.933562] which requires 64 byte alignment [ 4138.003128] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G L 4.8.11 #1 [ 4138.164129] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4138.322676] 00000000ffffffff e5344f8b99d4199e ffff88005d507b78 ffffffffb26ec5cc [ 4138.439920] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4138.606508] ffffffff00000010 ffff88005d507ba0 ffff88005d507b50 ffffffffb363c3e0 [ 4138.749186] Call Trace: [ 4138.803740] [] dump_stack+0xd7/0x132 [ 4138.885049] [] ? arch_local_irq_restore+0x1b/0x1b [ 4139.000395] [] ubsan_epilogue+0x12/0x53 [ 4139.119039] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4139.250178] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4139.389410] [] remove_entity_load_avg+0x42/0x574 [ 4139.518668] [] ? find_next_bit+0x3e/0x48 [ 4139.618531] [] unregister_fair_sched_group+0x104/0x319 [ 4139.740953] [] ? unregister_fair_sched_group+0x104/0x319 [ 4139.881423] [] ? task_io_accounting_add+0x309/0x309 [ 4139.999943] [] sched_offline_group+0x1d/0xc7 [ 4140.076126] [] autogroup_destroy+0x39/0x68 [ 4140.146971] [] kref_sub.constprop.3+0xf/0x19 [ 4140.208749] [] sched_autogroup_exit+0x3f/0x42 [ 4140.277305] [] free_signal_struct+0x86/0x9a [ 4140.351464] [] __put_task_struct+0x1ce/0x270 [ 4140.417287] [] put_task_struct+0x20/0x28 [ 4140.521060] [] delayed_put_task_struct+0x9b/0x120 [ 4140.606035] [] ? task_io_accounting_add+0x309/0x309 [ 4140.674958] [] rcu_process_callbacks+0xdf4/0x12b0 [ 4140.755102] [] ? note_gp_changes+0x244/0x244 [ 4140.816001] [] ? native_apic_msr_write+0x29/0x2b [ 4140.888766] [] ? apic_write+0x53/0x5a [ 4140.952079] [] __do_softirq+0x211/0x59e [ 4141.027924] [] irq_exit+0x65/0xd6 [ 4141.092771] [] smp_apic_timer_interrupt+0x33/0x3e [ 4141.165507] [] apic_timer_interrupt+0x82/0x90 [ 4141.237368] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 4141.321122] [] ? native_safe_halt+0x6/0x8 [ 4141.401145] [] default_idle+0x1f/0x32 [ 4141.460271] [] arch_cpu_idle+0xf/0x11 [ 4141.535200] [] default_idle_call+0x1e/0x20 [ 4141.589286] [] cpu_startup_entry+0x20f/0x384 [ 4141.688052] [] ? default_idle_call+0x20/0x20 [ 4141.753014] [] ? clockevents_register_device+0x1af/0x1b8 [ 4141.839325] [] start_secondary+0x27d/0x2d7 [ 4141.912394] [] ? set_cpu_sibling_map+0x114f/0x114f [ 4141.995853] ================================================================================ [ 4142.100288] ================================================================================ [ 4142.100298] UBSAN: Undefined behaviour in kernel/sched/fair.c:3149:25 [ 4142.100304] member access within misaligned address ffff88005b1f3c38 for type 'struct sched_entity' [ 4142.100306] which requires 64 byte alignment [ 4142.100314] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G L 4.8.11 #1 [ 4142.100318] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4142.100330] 00000000ffffffff e5344f8b99d4199e ffff88005d507b78 ffffffffb26ec5cc [ 4142.100338] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4142.100345] ffffffff00000010 ffff88005d507ba0 ffff88005d507b50 ffffffffb363c3e0 [ 4142.100347] Call Trace: [ 4142.100361] [] dump_stack+0xd7/0x132 [ 4142.100369] [] ? arch_local_irq_restore+0x1b/0x1b [ 4142.100376] [] ubsan_epilogue+0x12/0x53 [ 4142.100384] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4142.100392] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4142.100401] [] remove_entity_load_avg+0x50d/0x574 [ 4142.100410] [] unregister_fair_sched_group+0x104/0x319 [ 4142.100418] [] ? unregister_fair_sched_group+0x104/0x319 [ 4142.100427] [] ? task_io_accounting_add+0x309/0x309 [ 4142.100436] [] sched_offline_group+0x1d/0xc7 [ 4142.100443] [] autogroup_destroy+0x39/0x68 [ 4142.100451] [] kref_sub.constprop.3+0xf/0x19 [ 4142.100458] [] sched_autogroup_exit+0x3f/0x42 [ 4142.100467] [] free_signal_struct+0x86/0x9a [ 4142.100476] [] __put_task_struct+0x1ce/0x270 [ 4142.100482] [] put_task_struct+0x20/0x28 [ 4142.100490] [] delayed_put_task_struct+0x9b/0x120 [ 4142.100497] [] ? task_io_accounting_add+0x309/0x309 [ 4142.100505] [] rcu_process_callbacks+0xdf4/0x12b0 [ 4142.100513] [] ? note_gp_changes+0x244/0x244 [ 4142.100522] [] ? native_apic_msr_write+0x29/0x2b [ 4142.100531] [] ? apic_write+0x53/0x5a [ 4142.100539] [] __do_softirq+0x211/0x59e [ 4142.100547] [] irq_exit+0x65/0xd6 [ 4142.100554] [] smp_apic_timer_interrupt+0x33/0x3e [ 4142.100561] [] apic_timer_interrupt+0x82/0x90 [ 4142.100571] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 4142.100578] [] ? native_safe_halt+0x6/0x8 [ 4142.100585] [] default_idle+0x1f/0x32 [ 4142.100592] [] arch_cpu_idle+0xf/0x11 [ 4142.100599] [] default_idle_call+0x1e/0x20 [ 4142.100606] [] cpu_startup_entry+0x20f/0x384 [ 4142.100613] [] ? default_idle_call+0x20/0x20 [ 4142.100622] [] ? clockevents_register_device+0x1af/0x1b8 [ 4142.100630] [] start_secondary+0x27d/0x2d7 [ 4142.100638] [] ? set_cpu_sibling_map+0x114f/0x114f [ 4142.100642] ================================================================================ [ 4142.100844] ================================================================================ [ 4142.100849] UBSAN: Undefined behaviour in kernel/sched/fair.c:3150:25 [ 4142.100853] member access within misaligned address ffff88005b1f3c38 for type 'struct sched_entity' [ 4142.100855] which requires 64 byte alignment [ 4142.100862] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G L 4.8.11 #1 [ 4142.100865] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4142.100875] 00000000ffffffff e5344f8b99d4199e ffff88005d507b78 ffffffffb26ec5cc [ 4142.100883] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4142.100890] ffffffff00000010 ffff88005d507ba0 ffff88005d507b50 ffffffffb363c3e0 [ 4142.100891] Call Trace: [ 4142.100901] [] dump_stack+0xd7/0x132 [ 4142.100909] [] ? arch_local_irq_restore+0x1b/0x1b [ 4142.100916] [] ubsan_epilogue+0x12/0x53 [ 4142.100923] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4142.100931] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4142.100940] [] remove_entity_load_avg+0x544/0x574 [ 4142.100948] [] unregister_fair_sched_group+0x104/0x319 [ 4142.100957] [] ? unregister_fair_sched_group+0x104/0x319 [ 4142.100964] [] ? task_io_accounting_add+0x309/0x309 [ 4142.100973] [] sched_offline_group+0x1d/0xc7 [ 4142.100980] [] autogroup_destroy+0x39/0x68 [ 4142.100987] [] kref_sub.constprop.3+0xf/0x19 [ 4142.100995] [] sched_autogroup_exit+0x3f/0x42 [ 4142.101003] [] free_signal_struct+0x86/0x9a [ 4142.101011] [] __put_task_struct+0x1ce/0x270 [ 4142.101018] [] put_task_struct+0x20/0x28 [ 4142.101025] [] delayed_put_task_struct+0x9b/0x120 [ 4142.101032] [] ? task_io_accounting_add+0x309/0x309 [ 4142.101040] [] rcu_process_callbacks+0xdf4/0x12b0 [ 4142.101048] [] ? note_gp_changes+0x244/0x244 [ 4142.101056] [] ? native_apic_msr_write+0x29/0x2b [ 4142.101064] [] ? apic_write+0x53/0x5a [ 4142.101071] [] __do_softirq+0x211/0x59e [ 4142.101079] [] irq_exit+0x65/0xd6 [ 4142.101086] [] smp_apic_timer_interrupt+0x33/0x3e [ 4142.101093] [] apic_timer_interrupt+0x82/0x90 [ 4142.101102] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 4142.101109] [] ? native_safe_halt+0x6/0x8 [ 4142.101115] [] default_idle+0x1f/0x32 [ 4142.101122] [] arch_cpu_idle+0xf/0x11 [ 4142.101129] [] default_idle_call+0x1e/0x20 [ 4142.101136] [] cpu_startup_entry+0x20f/0x384 [ 4142.101143] [] ? default_idle_call+0x20/0x20 [ 4142.101151] [] ? clockevents_register_device+0x1af/0x1b8 [ 4142.101160] [] start_secondary+0x27d/0x2d7 [ 4142.101168] [] ? set_cpu_sibling_map+0x114f/0x114f [ 4142.101172] ================================================================================ Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [ 4148.469622] ================================================================================ [ 4148.606555] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4148.656841] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4148.826393] which requires 64 byte alignment [ 4148.865391] CPU: 2 PID: 1602 Comm: chown Tainted: G L 4.8.11 #1 [ 4148.948465] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4149.064310] 00000000ffffffff 00000000724e8d78 ffff88009f73fb30 ffffffffb26ec5cc [ 4149.149154] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4149.262323] 0000000000000010 ffff88009f73fb58 ffff88009f73fb08 ffffffffb363c3e0 [ 4149.368699] Call Trace: [ 4149.399367] [] dump_stack+0xd7/0x132 [ 4149.449493] [] ? arch_local_irq_restore+0x1b/0x1b [ 4149.529195] [] ubsan_epilogue+0x12/0x53 [ 4149.595135] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4149.665718] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4149.767465] [] ext4_setattr+0x258/0x11bd [ 4149.852627] [] ? ext4_journalled_write_end+0x894/0x894 [ 4149.937519] [] notify_change+0xa68/0xc5b [ 4149.999396] [] chown_common+0x337/0x3e4 [ 4150.073657] [] ? chown_common+0x337/0x3e4 [ 4150.145598] [] ? SYSC_fchmodat+0x10e/0x10e [ 4150.219928] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4150.306317] [] ? __mnt_want_write+0x135/0x142 [ 4150.382720] [] SYSC_fchownat+0x114/0x1a4 [ 4150.446834] [] ? chown_common+0x3e4/0x3e4 [ 4150.518466] [] SyS_fchownat+0x3f/0x41 [ 4150.584740] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4150.671044] ================================================================================ [ 4150.801424] ================================================================================ [ 4150.965699] UBSAN: Undefined behaviour in fs/ext4/inode.c:5103:12 [ 4151.053597] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4151.210755] which requires 64 byte alignment [ 4151.290803] CPU: 2 PID: 1602 Comm: chown Tainted: G L 4.8.11 #1 [ 4151.383564] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4151.557752] 00000000ffffffff 00000000724e8d78 ffff88009f73fb30 ffffffffb26ec5cc [ 4151.676995] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4151.804201] ffff880000000010 ffff88009f73fb58 ffff88009f73fb08 ffffffffb363c3e0 [ 4151.948438] Call Trace: [ 4151.978467] [] dump_stack+0xd7/0x132 [ 4152.073699] [] ? arch_local_irq_restore+0x1b/0x1b [ 4152.155064] [] ubsan_epilogue+0x12/0x53 [ 4152.284899] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4152.406889] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4152.525647] [] ext4_setattr+0x285/0x11bd [ 4152.620074] [] ? ext4_journalled_write_end+0x894/0x894 [ 4152.733539] [] notify_change+0xa68/0xc5b [ 4152.820908] [] chown_common+0x337/0x3e4 [ 4152.899612] [] ? chown_common+0x337/0x3e4 [ 4152.986572] [] ? SYSC_fchmodat+0x10e/0x10e [ 4153.071503] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4153.187031] [] ? __mnt_want_write+0x135/0x142 [ 4153.292241] [] SYSC_fchownat+0x114/0x1a4 [ 4153.382398] [] ? chown_common+0x3e4/0x3e4 [ 4153.481360] [] SyS_fchownat+0x3f/0x41 [ 4153.556261] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4153.671611] ================================================================================ [ 4153.810394] ================================================================================ [ 4153.920571] UBSAN: Undefined behaviour in net/ipv4/route.c:2312:28 [ 4154.048923] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4154.255559] which requires 64 byte alignment [ 4154.328867] CPU: 1 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4154.482702] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4154.644333] 00000000ffffffff 000000006e3fad48 ffff880059007ae8 ffffffffb26ec5cc [ 4154.758667] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4154.927315] ffff880000000010 ffff880059007b10 ffff880059007ac0 ffffffffb363c3e0 [ 4155.194025] Call Trace: [ 4155.243863] [] dump_stack+0xd7/0x132 [ 4155.361720] [] ? arch_local_irq_restore+0x1b/0x1b [ 4155.568532] [] ubsan_epilogue+0x12/0x53 [ 4155.756003] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4155.979704] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4156.261893] [] __ip_route_output_key_hash+0xc1f/0x18f0 [ 4156.372931] [] ? rt_set_nexthop.constprop.29+0x91b/0x91b [ 4156.628716] [] ? ip4_datagram_release_cb+0x54d/0x591 [ 4156.865298] [] __ip4_datagram_connect+0x66b/0xb99 [ 4157.097844] [] ? inet_autobind+0x13f/0x13f [ 4157.388511] [] ip4_datagram_connect+0x33/0x47 [ 4157.699793] [] inet_dgram_connect+0x16f/0x19c [ 4157.926036] [] SYSC_connect+0x1ca/0x267 [ 4158.144950] [] ? SYSC_bind+0x1f7/0x1f7 [ 4158.337687] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4158.604288] [] ? __do_page_fault+0x6d3/0x96b [ 4158.779203] [] SyS_connect+0x2f/0x31 [ 4158.973643] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4159.278500] ================================================================================ [ 4159.749457] ================================================================================ [ 4160.643395] UBSAN: Undefined behaviour in net/ipv4/route.c:2027:48 [ 4161.115073] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4161.462829] which requires 64 byte alignment [ 4161.640102] CPU: 1 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4162.184322] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4162.690694] 00000000ffffffff 000000006e3fad48 ffff880059007ae8 ffffffffb26ec5cc [ 4163.083101] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4164.101053] ffffffff00000010 ffff880059007b10 ffff880059007ac0 ffffffffb363c3e0 [ 4164.408552] Call Trace: [ 4164.541204] [] dump_stack+0xd7/0x132 [ 4164.713305] [] ? arch_local_irq_restore+0x1b/0x1b [ 4164.886305] [] ubsan_epilogue+0x12/0x53 [ 4165.040418] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4165.282874] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4165.437300] [] __ip_route_output_key_hash+0xee3/0x18f0 [ 4165.665255] [] ? rt_set_nexthop.constprop.29+0x91b/0x91b [ 4165.878829] [] ? ip4_datagram_release_cb+0x54d/0x591 [ 4166.016633] [] __ip4_datagram_connect+0x66b/0xb99 [ 4166.125200] [] ? inet_autobind+0x13f/0x13f [ 4166.250878] [] ip4_datagram_connect+0x33/0x47 [ 4166.322794] [] inet_dgram_connect+0x16f/0x19c [ 4166.376259] [] SYSC_connect+0x1ca/0x267 [ 4166.418699] [] ? SYSC_bind+0x1f7/0x1f7 [ 4166.467568] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4166.528916] [] ? __do_page_fault+0x6d3/0x96b [ 4166.578595] [] SyS_connect+0x2f/0x31 [ 4166.621681] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4166.669941] ================================================================================ [ 4166.743344] ================================================================================ [ 4166.812561] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4166.862067] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4166.962433] which requires 64 byte alignment [ 4166.999352] CPU: 2 PID: 1602 Comm: chown Tainted: G L 4.8.11 #1 [ 4167.060158] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4167.131275] 00000000ffffffff 00000000724e8d78 ffff88009f73fb30 ffffffffb26ec5cc [ 4167.197371] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4167.263122] ffff880000000010 ffff88009f73fb58 ffff88009f73fb08 ffffffffb363c3e0 [ 4167.315045] Call Trace: [ 4167.340556] [] dump_stack+0xd7/0x132 [ 4167.381445] [] ? arch_local_irq_restore+0x1b/0x1b [ 4167.435780] [] ubsan_epilogue+0x12/0x53 [ 4167.486635] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4167.557292] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4167.640119] [] ext4_setattr+0x3bb/0x11bd [ 4167.701413] [] ? ext4_journalled_write_end+0x894/0x894 [ 4167.754658] [] notify_change+0xa68/0xc5b [ 4167.821323] [] chown_common+0x337/0x3e4 [ 4167.897027] [] ? chown_common+0x337/0x3e4 [ 4167.964693] [] ? SYSC_fchmodat+0x10e/0x10e [ 4168.024696] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4168.107569] [] ? __mnt_want_write+0x135/0x142 [ 4168.177639] [] SYSC_fchownat+0x114/0x1a4 [ 4168.235069] [] ? chown_common+0x3e4/0x3e4 [ 4168.295662] [] SyS_fchownat+0x3f/0x41 [ 4168.368269] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4168.428415] ================================================================================ [ 4168.525208] ================================================================================ [ 4168.625484] UBSAN: Undefined behaviour in fs/ext4/inode.c:5103:12 [ 4168.719997] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4168.836868] which requires 64 byte alignment [ 4168.879452] CPU: 2 PID: 1602 Comm: chown Tainted: G L 4.8.11 #1 [ 4168.957509] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4169.073007] 00000000ffffffff 00000000724e8d78 ffff88009f73fb30 ffffffffb26ec5cc [ 4169.164950] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4169.254878] ffff880000000010 ffff88009f73fb58 ffff88009f73fb08 ffffffffb363c3e0 [ 4169.363946] Call Trace: [ 4169.386934] [] dump_stack+0xd7/0x132 [ 4169.449139] [] ? arch_local_irq_restore+0x1b/0x1b [ 4169.513377] [] ubsan_epilogue+0x12/0x53 [ 4169.572614] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4169.651962] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4169.729633] [] ext4_setattr+0x3d5/0x11bd [ 4169.779130] [] ? ext4_journalled_write_end+0x894/0x894 [ 4169.854549] [] notify_change+0xa68/0xc5b [ 4169.990031] [] chown_common+0x337/0x3e4 [ 4170.111133] [] ? chown_common+0x337/0x3e4 [ 4170.257501] [] ? SYSC_fchmodat+0x10e/0x10e [ 4170.375815] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4170.572134] [] ? __mnt_want_write+0x135/0x142 [ 4170.698953] [] SYSC_fchownat+0x114/0x1a4 [ 4170.827517] [] ? chown_common+0x3e4/0x3e4 [ 4170.940260] [] SyS_fchownat+0x3f/0x41 [ 4171.011353] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4171.118209] ================================================================================ [ 4171.204410] ================================================================================ [ 4171.273021] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1701:24 [ 4171.330363] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4171.407461] which requires 64 byte alignment [ 4171.440544] CPU: 3 PID: 1465 Comm: kworker/u10:2 Tainted: G L 4.8.11 #1 [ 4171.497273] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4171.572649] Workqueue: writeback wb_workfn (flush-8:0) [ 4171.622046] 00000000ffffffff 000000003c202c3c ffff88009fd0ee60 ffffffffb26ec5cc [ 4171.707293] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4171.772744] ffff880000000010 ffff88009fd0ee88 ffff88009fd0ee38 ffffffffb363c3e0 [ 4171.842595] Call Trace: [ 4171.856586] [] dump_stack+0xd7/0x132 [ 4171.907804] [] ? arch_local_irq_restore+0x1b/0x1b [ 4171.964694] [] ubsan_epilogue+0x12/0x53 [ 4172.011523] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4172.079218] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4172.138435] [] ? mb_find_order_for_block+0x1c2/0x1d1 [ 4172.191124] [] ext4_mb_check_limits+0x136/0x384 [ 4172.242805] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4172.322918] [] ? ext4_mb_scan_aligned+0x470/0x470 [ 4172.377957] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4172.442848] [] ext4_mb_complex_scan_group+0x82a/0x882 [ 4172.500756] [] ? ext4_mb_try_best_found+0x209/0x209 [ 4172.559228] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4172.622469] [] ? ext4_mb_good_group+0x443/0x453 [ 4172.676126] [] ext4_mb_regular_allocator+0x7de/0xa37 [ 4172.731994] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 4172.796662] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 4172.860632] [] ext4_mb_new_blocks+0x8eb/0x209c [ 4172.940050] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4173.001167] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4173.053496] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 4173.104243] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4173.151613] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4173.215395] [] ? find_get_entry+0x104/0x104 [ 4173.261319] [] ? __put_compound_page+0x77/0x77 [ 4173.312989] [] ? lru_add_drain_cpu+0x310/0x31c [ 4173.361758] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4173.422924] [] ext4_map_blocks+0x815/0xef8 [ 4173.467170] [] ? ext4_issue_zeroout+0x182/0x182 [ 4173.527712] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 4173.587374] [] ext4_writepages+0xab5/0x1c84 [ 4173.639034] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4173.692666] [] ? blk_lld_busy+0x7d/0x7d [ 4173.739850] [] ? generic_writepages+0x113/0x159 [ 4173.792791] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4173.854297] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4173.904336] [] do_writepages+0xe5/0x10c [ 4173.956539] [] ? do_writepages+0xe5/0x10c [ 4174.008261] [] ? __writeback_single_inode+0xa1/0x8d6 [ 4174.060986] [] __writeback_single_inode+0x11b/0x8d6 [ 4174.119222] [] writeback_sb_inodes+0x623/0xc39 [ 4174.169376] [] ? wbc_detach_inode+0x521/0x521 [ 4174.234059] [] ? queue_io+0x323/0x3e9 [ 4174.288995] [] __writeback_inodes_wb+0x10a/0x1aa [ 4174.343018] [] wb_writeback+0x400/0x7d0 [ 4174.395050] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 4174.460048] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 4174.514536] [] ? get_nr_inodes_unused+0x105/0x11c [ 4174.569960] [] wb_workfn+0x6de/0x936 [ 4174.608681] [] ? wb_workfn+0x6de/0x936 [ 4174.663371] [] ? inode_wait_for_writeback+0x39/0x39 [ 4174.720466] [] ? wq_nice_show+0xab/0xab [ 4174.770408] [] ? get_work_pwq+0x58/0x58 [ 4174.805690] [] process_one_work+0x54a/0x88e [ 4174.860368] [] ? create_worker+0x528/0x528 [ 4174.905622] [] ? worker_clr_flags+0x187/0x193 [ 4174.967728] [] worker_thread+0x67c/0x857 [....] Starting enhanced syslogd: rsyslogd[ 4175.019493] [] kthread+0x1f7/0x20b [ 4175.061482] [] ? rescuer_thread+0x91f/0x91f [ 4175.098417] [] ? init_completion+0x48/0x48 [ 4175.136944] [] ret_from_fork+0x1f/0x40 [ 4175.172630] [] ? init_completion+0x48/0x48 [ 4175.210913] ================================================================================ [ 4175.268513] ================================================================================ [ 4175.322322] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1713:41 [ 4175.359119] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4175.418871] which requires 64 byte alignment [ 4175.443309] CPU: 3 PID: 1465 Comm: kworker/u10:2 Tainted: G L 4.8.11 #1 [ 4175.486902] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4175.542994] Workqueue: writeback wb_workfn (flush-8:0) [ 4175.575383] 00000000ffffffff 000000003c202c3c ffff88009fd0ee60 ffffffffb26ec5cc [ 4175.625522] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4175.674138] ffff880000000010 ffff88009fd0ee88 ffff88009fd0ee38 ffffffffb363c3e0 [ 4175.715359] Call Trace: [ 4175.730919] [] dump_stack+0xd7/0x132 [ 4175.762595] [] ? arch_local_irq_restore+0x1b/0x1b [ 4175.800699] [] ubsan_epilogue+0x12/0x53 [ 4175.831442] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4175.869303] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4175.913437] [] ? mb_find_order_for_block+0x1c2/0x1d1 [ 4175.955568] [] ext4_mb_check_limits+0x29b/0x384 [ 4175.989043] [] ? ext4_mb_scan_aligned+0x470/0x470 [ 4176.027997] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4176.067595] [] ext4_mb_complex_scan_group+0x82a/0x882 [ 4176.111450] [] ? ext4_mb_try_best_found+0x209/0x209 [ 4176.159353] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4176.199514] [] ? ext4_mb_good_group+0x443/0x453 [ 4176.235178] [] ext4_mb_regular_allocator+0x7de/0xa37 [ 4176.269620] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 4176.311460] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 4176.358796] [] ext4_mb_new_blocks+0x8eb/0x209c [ 4176.395147] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4176.432781] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4176.475476] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 4176.513087] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4176.551098] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4176.590049] [] ? find_get_entry+0x104/0x104 [ 4176.620630] [] ? __put_compound_page+0x77/0x77 [ 4176.660610] [] ? lru_add_drain_cpu+0x310/0x31c [ 4176.705329] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4176.741152] [] ext4_map_blocks+0x815/0xef8 [ 4176.840851] [] ? ext4_issue_zeroout+0x182/0x182 [ 4176.890400] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 4176.935512] [] ext4_writepages+0xab5/0x1c84 [ 4176.970971] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4177.008410] [] ? blk_lld_busy+0x7d/0x7d [ 4177.043568] [] ? generic_writepages+0x113/0x159 [ 4177.081279] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4177.123378] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4177.158764] [] do_writepages+0xe5/0x10c [ 4177.188152] [] ? do_writepages+0xe5/0x10c [ 4177.217063] [] ? __writeback_single_inode+0xa1/0x8d6 [ 4177.256477] [] __writeback_single_inode+0x11b/0x8d6 [ 4177.301136] [] writeback_sb_inodes+0x623/0xc39 [ 4177.333761] [] ? wbc_detach_inode+0x521/0x521 [ 4177.371067] [] ? queue_io+0x323/0x3e9 [ 4177.406474] [] __writeback_inodes_wb+0x10a/0x1aa [ 4177.449509] [] wb_writeback+0x400/0x7d0 [ 4177.477315] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 4177.518663] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 4177.555696] [] ? get_nr_inodes_unused+0x105/0x11c [ 4177.592050] [] wb_workfn+0x6de/0x936 [ 4177.622435] [] ? wb_workfn+0x6de/0x936 [ 4177.655264] [] ? inode_wait_for_writeback+0x39/0x39 [ 4177.689204] [] ? wq_nice_show+0xab/0xab [ 4177.720145] [] ? get_work_pwq+0x58/0x58 [ 4177.755735] [] process_one_work+0x54a/0x88e [ 4177.791778] [] ? create_worker+0x528/0x528 [ 4177.823768] [] ? worker_clr_flags+0x187/0x193 [ 4177.865344] [] worker_thread+0x67c/0x857 [ 4177.897535] [] kthread+0x1f7/0x20b [ 4177.929765] [] ? rescuer_thread+0x91f/0x91f [ 4177.966539] [] ? init_completion+0x48/0x48 [ 4178.002513] [] ret_from_fork+0x1f/0x40 [ 4178.038546] [] ? init_completion+0x48/0x48 [ 4178.074648] ================================================================================ [ 4178.128441] ================================================================================ [ 4178.212198] UBSAN: Undefined behaviour in net/ipv4/route.c:2037:13 [ 4178.260011] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4178.315028] which requires 64 byte alignment [ 4178.343960] CPU: 1 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4178.387501] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4178.440160] 00000000ffffffff 000000006e3fad48 ffff880059007ae8 ffffffffb26ec5cc [ 4178.492811] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4178.537773] ffff880000000010 ffff880059007b10 ffff880059007ac0 ffffffffb363c3e0 [ 4178.579584] Call Trace: [ 4178.606950] [] dump_stack+0xd7/0x132 [ 4178.638144] [] ? arch_local_irq_restore+0x1b/0x1b [ 4178.682726] [] ubsan_epilogue+0x12/0x53 [ 4178.713610] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4178.753033] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4178.800114] [] __ip_route_output_key_hash+0xf9e/0x18f0 [ 4178.837222] [] ? rt_set_nexthop.constprop.29+0x91b/0x91b [ 4178.878431] [] ? ip4_datagram_release_cb+0x54d/0x591 [ 4178.915809] [] __ip4_datagram_connect+0x66b/0xb99 [ 4178.958279] [] ? inet_autobind+0x13f/0x13f [ 4178.988478] [] ip4_datagram_connect+0x33/0x47 [ 4179.020459] [] inet_dgram_connect+0x16f/0x19c [ 4179.062292] [] SYSC_connect+0x1ca/0x267 [ 4179.101745] [] ? SYSC_bind+0x1f7/0x1f7 [ 4179.131929] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4179.171603] [] ? __do_page_fault+0x6d3/0x96b [ 4179.206164] [] SyS_connect+0x2f/0x31 [ 4179.234919] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4179.275759] ================================================================================ [ 4179.341876] ================================================================================ [ 4179.387952] UBSAN: Undefined behaviour in security/apparmor/include/lib.h:115:23 [ 4179.424497] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4179.485754] which requires 64 byte alignment [ 4179.510707] CPU: 3 PID: 1603 Comm: ln Tainted: G L 4.8.11 #1 [ 4179.545156] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4179.606037] 00000000ffffffff 000000000ca5057e ffff8800a099fc88 ffffffffb26ec5cc [ 4179.648147] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4179.698951] ffff880000000010 ffff8800a099fcb0 ffff8800a099fc60 ffffffffb363c3e0 [ 4179.738963] Call Trace: [ 4179.755966] [] dump_stack+0xd7/0x132 [ 4179.786579] [] ? arch_local_irq_restore+0x1b/0x1b [ 4179.828152] [] ubsan_epilogue+0x12/0x53 [ 4179.862835] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4179.922440] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4179.971692] [] ? kern_path_mountpoint+0x41/0x41 [ 4180.008361] [] apparmor_path_link+0x62/0xed [ 4180.049424] [] security_path_link+0xc6/0x10c [ 4180.087513] [] ? inode_owner_or_capable+0x69/0x11c [ 4180.124013] [] SYSC_linkat+0x2b0/0x40c [ 4180.155363] [] ? SYSC_mkdirat+0x222/0x222 [ 4180.187607] [] ? SYSC_newlstat+0xb1/0xf4 [ 4180.221024] [] ? SYSC_newstat+0xf4/0xf4 [ 4180.255689] [] SyS_linkat+0x3f/0x41 [ 4180.280341] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4180.313305] ================================================================================ [ 4180.364392] ================================================================================ [ 4180.418049] UBSAN: Undefined behaviour in fs/namei.c:4150:11 [ 4180.448344] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4180.501623] which requires 64 byte alignment [ 4180.522628] CPU: 3 PID: 1603 Comm: ln Tainted: G L 4.8.11 #1 [ 4180.567642] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4180.618973] 00000000ffffffff 000000000ca5057e ffff8800a099fcb0 ffffffffb26ec5cc [ 4180.663457] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4180.711637] ffffffff00000010 ffff8800a099fcd8 ffff8800a099fc88 ffffffffb363c3e0 [ 4180.756315] Call Trace: [ 4180.770380] [] dump_stack+0xd7/0x132 [ 4180.799141] [] ? arch_local_irq_restore+0x1b/0x1b [ 4180.833019] [] ubsan_epilogue+0x12/0x53 [ 4180.864615] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4180.908516] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4180.954350] [] vfs_link+0x99/0x4e0 [ 4180.983120] [] ? security_path_link+0xfd/0x10c [ 4181.016047] [] SYSC_linkat+0x2f3/0x40c [ 4181.051198] [] ? SYSC_mkdirat+0x222/0x222 [ 4181.083730] [] ? SYSC_newlstat+0xb1/0xf4 [ 4181.112632] [] ? SYSC_newstat+0xf4/0xf4 [ 4181.140905] [] SyS_linkat+0x3f/0x41 [ 4181.171581] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4181.210199] ================================================================================ [ 4181.262672] ================================================================================ [ 4181.310784] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4181.347897] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4181.400446] which requires 64 byte alignment [ 4181.425075] CPU: 3 PID: 1603 Comm: ln Tainted: G L 4.8.11 #1 [ 4181.463999] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4181.516844] 00000000ffffffff 000000000ca5057e ffff8800a099fbe8 ffffffffb26ec5cc [ 4181.559241] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4181.601184] ffff880000000010 ffff8800a099fc10 ffff8800a099fbc0 ffffffffb363c3e0 [ 4181.645204] Call Trace: [ 4181.662489] [] dump_stack+0xd7/0x132 [ 4181.692812] [] ? arch_local_irq_restore+0x1b/0x1b [ 4181.727812] [] ubsan_epilogue+0x12/0x53 [ 4181.760443] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4181.801704] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4181.842651] [] ext4_link+0x3c5/0x593 [ 4181.871240] [] ? ext4_symlink+0xb42/0xb42 [ 4181.904054] [] ? break_deleg+0xf3/0x102 [ 4181.934250] [] vfs_link+0x3a3/0x4e0 [ 4181.964065] [] SYSC_linkat+0x2f3/0x40c [ 4181.995782] [] ? SYSC_mkdirat+0x222/0x222 [ 4182.030739] [] ? SYSC_newlstat+0xb1/0xf4 [ 4182.063328] [] ? SYSC_newstat+0xf4/0xf4 [ 4182.098920] [] SyS_linkat+0x3f/0x41 [ 4182.128722] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4182.164525] ================================================================================ [ 4182.218648] ================================================================================ [ 4182.263961] UBSAN: Undefined behaviour in fs/ext4/namei.c:3246:11 [ 4182.300841] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4182.351287] which requires 64 byte alignment [ 4182.373202] CPU: 3 PID: 1603 Comm: ln Tainted: G L 4.8.11 #1 [ 4182.419415] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4182.475510] 00000000ffffffff 000000000ca5057e ffff8800a099fbe8 ffffffffb26ec5cc [ 4182.518551] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4182.562532] ffffffff00000010 ffff8800a099fc10 ffff8800a099fbc0 ffffffffb363c3e0 [ 4182.606267] Call Trace: [ 4182.620870] [] dump_stack+0xd7/0x132 [ 4182.658054] [] ? arch_local_irq_restore+0x1b/0x1b [ 4182.693506] [] ubsan_epilogue+0x12/0x53 [ 4182.726669] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4182.765425] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4182.815176] [] ext4_link+0x3f2/0x593 [ 4182.840860] [] ? ext4_symlink+0xb42/0xb42 [ 4182.883134] [] ? break_deleg+0xf3/0x102 [ 4182.918570] [] vfs_link+0x3a3/0x4e0 [ 4182.948137] [] SYSC_linkat+0x2f3/0x40c [ 4182.976850] [] ? SYSC_mkdirat+0x222/0x222 [ 4183.017641] [] ? SYSC_newlstat+0xb1/0xf4 [ 4183.048084] [] ? SYSC_newstat+0xf4/0xf4 [ 4183.082003] [] SyS_linkat+0x3f/0x41 [ 4183.105675] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4183.147041] ================================================================================ [ 4183.199094] ================================================================================ [ 4183.251762] UBSAN: Undefined behaviour in fs/ext4/namei.c:3252:6 [ 4183.288432] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4183.341245] which requires 64 byte alignment [ 4183.371216] CPU: 3 PID: 1603 Comm: ln Tainted: G L 4.8.11 #1 [ 4183.418544] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4183.472358] 00000000ffffffff 000000000ca5057e ffff8800a099fbe8 ffffffffb26ec5cc [ 4183.518485] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4183.562176] ffff880000000010 ffff8800a099fc10 ffff8800a099fbc0 ffffffffb363c3e0 [ 4183.603604] Call Trace: [ 4183.618689] [] dump_stack+0xd7/0x132 [ 4183.653407] [] ? arch_local_irq_restore+0x1b/0x1b [ 4183.690772] [] ubsan_epilogue+0x12/0x53 [ 4183.725158] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4183.765251] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4183.807897] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 4183.847652] [] ext4_link+0x4b9/0x593 [ 4183.879742] [] ? ext4_symlink+0xb42/0xb42 [ 4183.911764] [] ? break_deleg+0xf3/0x102 [ 4183.947694] [] vfs_link+0x3a3/0x4e0 [ 4183.971768] [] SYSC_linkat+0x2f3/0x40c [ 4184.006041] [] ? SYSC_mkdirat+0x222/0x222 [ 4184.042138] [] ? SYSC_newlstat+0xb1/0xf4 [ 4184.071887] [] ? SYSC_newstat+0xf4/0xf4 [ 4184.106351] [] SyS_linkat+0x3f/0x41 [ 4184.136184] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4184.178392] ================================================================================ [ 4184.236222] ================================================================================ [ 4184.289212] UBSAN: Undefined behaviour in net/ipv4/route.c:1250:6 [ 4184.323441] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4184.376187] which requires 64 byte alignment [ 4184.401620] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4184.441606] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4184.487997] 00000000ffffffff 000000006e3fad48 ffff880059007788 ffffffffb26ec5cc [ 4184.533292] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4184.577038] ffff880000000010 ffff8800590077b0 ffff880059007760 ffffffffb363c3e0 [ 4184.619777] Call Trace: [ 4184.632000] [] dump_stack+0xd7/0x132 [ 4184.663317] [] ? arch_local_irq_restore+0x1b/0x1b [ 4184.705151] [] ubsan_epilogue+0x12/0x53 [ 4184.735853] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4184.780098] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4184.830159] [] ? dst_alloc+0x8f/0x178 [ 4184.855743] [] ? __ip_route_output_key_hash+0x14e0/0x18f0 [ 4184.898449] [] ? __ip4_datagram_connect+0x66b/0xb99 [ 4184.935002] [] ? ip4_datagram_connect+0x33/0x47 [ 4184.969688] [] ? inet_dgram_connect+0x16f/0x19c [ 4185.007438] [] ? SYSC_connect+0x1ca/0x267 [ 4185.037756] [] ? SyS_connect+0x2f/0x31 [ 4185.070570] [] ipv4_mtu+0x133/0x1bb [ 4185.095852] [] dst_mtu+0x61/0x66 [ 4185.125444] [] ip_setup_cork+0x303/0x532 [ 4185.158562] [] ip_make_skb+0x125/0x213 [ 4185.188460] [] ? csum_block_add+0x39/0x39 [ 4185.227083] [] ? ip_flush_pending_frames+0x28/0x28 [ 4185.261592] [] ? sock_poll+0x261/0x270 [ 4185.285233] [] udp_sendmsg+0xf29/0x1547 [ 4185.318440] [] ? csum_block_add+0x39/0x39 [ 4185.352005] [] ? udp_setsockopt+0x8b/0x8b [ 4185.388884] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4185.428264] [] ? aa_sk_perm+0x37f/0x391 [ 4185.462459] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4185.495522] [] inet_sendmsg+0xd8/0x191 [ 4185.530603] [] ? sock_sendmsg+0xdb/0x116 [ 4185.560241] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4185.600579] [] sock_sendmsg+0xe9/0x116 [ 4185.627871] [] ? SYSC_sendto+0x208/0x2df [ 4185.661976] [] SYSC_sendto+0x235/0x2df [ 4185.694101] [] ? SYSC_connect+0x267/0x267 [ 4185.727627] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4185.764486] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4185.800105] [] ? pick_next_task_stop+0x11c/0x12f [ 4185.836372] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4185.879324] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4185.915881] [] ? SyS_poll+0x262/0x2a1 [ 4185.951630] [] ? do_restart_poll+0x1de/0x1de [ 4185.979685] [] SyS_sendto+0x47/0x49 [ 4186.009230] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4186.047590] ================================================================================ [ 4186.092376] ================================================================================ [ 4186.139514] UBSAN: Undefined behaviour in net/ipv4/ip_output.c:894:11 [ 4186.176761] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4186.228340] which requires 64 byte alignment [ 4186.250491] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4186.291642] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4186.344849] 00000000ffffffff 000000006e3fad48 ffff880059007698 ffffffffb26ec5cc [ 4186.388816] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4186.435158] ffffffff00000010 ffff8800590076c0 ffff880059007670 ffffffffb363c3e0 [ 4186.477045] Call Trace: [ 4186.497236] [] dump_stack+0xd7/0x132 [ 4186.530763] [] ? arch_local_irq_restore+0x1b/0x1b [ 4186.622890] [] ubsan_epilogue+0x12/0x53 [ 4186.655543] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4186.702124] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4186.739898] [] __ip_append_data+0x372/0x27a0 [ 4186.772697] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4186.810553] [] ? csum_block_add+0x39/0x39 [ 4186.840683] [] ? __ip_route_output_key_hash+0x14e0/0x18f0 [ 4186.885597] [] ? ip4_datagram_connect+0x33/0x47 [ 4186.946326] [] ? __ip_flush_pending_frames.isra.10+0x2bc/0x2bc [ 4187.009720] [] ? ipv4_mtu+0x1b1/0x1bb [ 4187.046676] [] ip_make_skb+0x17f/0x213 [ 4187.078476] [] ? csum_block_add+0x39/0x39 [ 4187.115258] [] ? ip_flush_pending_frames+0x28/0x28 [ 4187.147873] [] ? sock_poll+0x261/0x270 [ 4187.180065] [] udp_sendmsg+0xf29/0x1547 [ 4187.251285] [] ? csum_block_add+0x39/0x39 [ 4187.281310] [] ? udp_setsockopt+0x8b/0x8b [ 4187.319243] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4187.356249] [] ? aa_sk_perm+0x37f/0x391 [ 4187.385385] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4187.426715] [] inet_sendmsg+0xd8/0x191 [ 4187.457738] [] ? sock_sendmsg+0xdb/0x116 [ 4187.500037] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4187.560932] [] sock_sendmsg+0xe9/0x116 [ 4187.592411] [] ? SYSC_sendto+0x208/0x2df [ 4187.626427] [] SYSC_sendto+0x235/0x2df [ 4187.658788] [] ? SYSC_connect+0x267/0x267 [ 4187.688626] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4187.724771] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4187.775315] [] ? pick_next_task_stop+0x11c/0x12f [ 4187.838443] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4187.878120] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4187.915558] [] ? SyS_poll+0x262/0x2a1 [ 4187.959534] [] ? do_restart_poll+0x1de/0x1de [ 4188.023526] [] SyS_sendto+0x47/0x49 [ 4188.055805] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4188.094500] ================================================================================ [ 4188.143905] ================================================================================ [ 4188.192437] UBSAN: Undefined behaviour in net/ipv4/ip_output.c:894:11 [ 4188.227033] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4188.321529] which requires 64 byte alignment [ 4188.372492] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4188.456491] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4188.539140] 00000000ffffffff 000000006e3fad48 ffff880059007698 ffffffffb26ec5cc [ 4188.586015] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4188.630359] ffffffff00000010 ffff8800590076c0 ffff880059007670 ffffffffb363c3e0 [ 4188.675463] Call Trace: [ 4188.686500] [] dump_stack+0xd7/0x132 [ 4188.719111] [] ? arch_local_irq_restore+0x1b/0x1b [ 4188.752692] [] ubsan_epilogue+0x12/0x53 [ 4188.781536] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4188.824201] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4188.962910] [] __ip_append_data+0x3c5/0x27a0 [ 4189.052046] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4189.143810] [] ? csum_block_add+0x39/0x39 [ 4189.261486] [] ? __ip_route_output_key_hash+0x14e0/0x18f0 [ 4189.561644] [] ? ip4_datagram_connect+0x33/0x47 [ 4189.737656] [] ? __ip_flush_pending_frames.isra.10+0x2bc/0x2bc [ 4189.934651] [] ? ipv4_mtu+0x1b1/0x1bb [ 4190.141063] [] ip_make_skb+0x17f/0x213 [ 4190.317597] [] ? csum_block_add+0x39/0x39 [ 4190.580563] [] ? ip_flush_pending_frames+0x28/0x28 [ 4190.804194] [] ? sock_poll+0x261/0x270 [ 4191.020990] [] udp_sendmsg+0xf29/0x1547 [ 4191.189140] [] ? csum_block_add+0x39/0x39 [ 4191.401069] [] ? udp_setsockopt+0x8b/0x8b [ 4191.561334] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4191.809279] [] ? aa_sk_perm+0x37f/0x391 [ 4192.124370] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4192.470438] [] inet_sendmsg+0xd8/0x191 [ 4192.625779] [] ? sock_sendmsg+0xdb/0x116 [ 4192.816148] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4193.051456] [] sock_sendmsg+0xe9/0x116 [ 4193.220443] [] ? SYSC_sendto+0x208/0x2df [ 4193.487935] [] SYSC_sendto+0x235/0x2df [ 4193.696634] [] ? SYSC_connect+0x267/0x267 [ 4193.935995] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4194.179674] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4194.433007] [] ? pick_next_task_stop+0x11c/0x12f [ 4194.718499] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4194.960354] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4195.159174] [] ? SyS_poll+0x262/0x2a1 [ 4195.363695] [] ? do_restart_poll+0x1de/0x1de [ 4195.560553] [] SyS_sendto+0x47/0x49 [ 4195.745414] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4195.997250] ================================================================================ [ 4196.329749] ================================================================================ [ 4196.676150] UBSAN: Undefined behaviour in net/ipv4/ip_output.c:912:17 [ 4196.936141] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4197.348149] which requires 64 byte alignment [ 4197.440120] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4197.806313] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4198.250938] 00000000ffffffff 000000006e3fad48 ffff880059007698 ffffffffb26ec5cc [ 4198.579005] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4198.910889] ffffffff00000010 ffff8800590076c0 ffff880059007670 ffffffffb363c3e0 [ 4199.313376] Call Trace: [ 4199.410411] [] dump_stack+0xd7/0x132 [ 4199.631220] [] ? arch_local_irq_restore+0x1b/0x1b [ 4199.923148] [] ubsan_epilogue+0x12/0x53 [ 4200.220567] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4200.531039] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4200.792197] [] __ip_append_data+0x695/0x27a0 [ 4201.138836] [] ? csum_block_add+0x39/0x39 [ 4201.338950] [] ? __ip_route_output_key_hash+0x14e0/0x18f0 [ 4201.606526] [] ? __ip_flush_pending_frames.isra.10+0x2bc/0x2bc [ 4201.867609] [] ? ipv4_mtu+0x1b1/0x1bb [ 4202.047100] [] ip_make_skb+0x17f/0x213 [ 4202.220841] [] ? csum_block_add+0x39/0x39 [ 4202.404488] [] ? ip_flush_pending_frames+0x28/0x28 [ 4202.639179] [] ? sock_poll+0x261/0x270 [ 4202.778835] [] udp_sendmsg+0xf29/0x1547 [ 4202.841433] [] ? csum_block_add+0x39/0x39 [ 4202.871028] [] ? udp_setsockopt+0x8b/0x8b [ 4202.908492] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4202.944953] [] ? aa_sk_perm+0x37f/0x391 [ 4202.982585] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4203.016551] [] inet_sendmsg+0xd8/0x191 [ 4203.048196] [] ? sock_sendmsg+0xdb/0x116 [ 4203.078712] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4203.111917] [] sock_sendmsg+0xe9/0x116 [ 4203.148567] [] ? SYSC_sendto+0x208/0x2df [ 4203.181627] [] SYSC_sendto+0x235/0x2df [ 4203.215455] [] ? SYSC_connect+0x267/0x267 [ 4203.250427] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4203.290102] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4203.356046] [] ? pick_next_task_stop+0x11c/0x12f [ 4203.391010] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4203.427487] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4203.468190] [] ? SyS_poll+0x262/0x2a1 [ 4203.494847] [] ? do_restart_poll+0x1de/0x1de [ 4203.529555] [] SyS_sendto+0x47/0x49 [ 4203.557684] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4203.597218] ================================================================================ [ 4203.655523] ================================================================================ [ 4203.703590] UBSAN: Undefined behaviour in net/ipv4/ip_output.c:176:24 [ 4203.744009] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4203.795091] which requires 64 byte alignment [ 4203.816994] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4203.862760] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4203.915201] 00000000ffffffff 000000006e3fad48 ffff8800590076b8 ffffffffb26ec5cc [ 4203.980573] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4204.029778] 0000000000000010 ffff8800590076e0 ffff880059007690 ffffffffb363c3e0 [ 4204.072776] Call Trace: [ 4204.085282] [] dump_stack+0xd7/0x132 [ 4204.117121] [] ? arch_local_irq_restore+0x1b/0x1b [ 4204.153436] [] ubsan_epilogue+0x12/0x53 [ 4204.186734] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4204.226624] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4204.265567] [] ip_finish_output2+0x125/0xbf2 [ 4204.302675] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4204.350196] [] ? pskb_trim_unique+0x1be/0x1be [ 4204.386659] [] ? ipv4_mtu+0x1b1/0x1bb [ 4204.415133] [] ip_finish_output+0x252/0x269 [ 4204.446601] [] ? ip_finish_output+0x252/0x269 [ 4204.482746] [] ip_output+0x199/0x1e0 [ 4204.511687] [] dst_output+0x90/0x9b [ 4204.572777] [] ip_local_out+0x43/0x56 [ 4204.611288] [] ? ip_send_skb+0x39/0xaf [ 4204.649998] [] ip_send_skb+0x48/0xaf [ 4204.679820] [] udp_send_skb+0x8de/0xada [ 4204.709357] [] udp_sendmsg+0xf69/0x1547 [ 4204.743805] [] ? csum_block_add+0x39/0x39 [ 4204.775933] [] ? udp_setsockopt+0x8b/0x8b [ 4204.813163] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4204.850212] [] ? aa_sk_perm+0x37f/0x391 [ 4204.882400] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4204.919538] [] inet_sendmsg+0xd8/0x191 [ 4204.951893] [] ? sock_sendmsg+0xdb/0x116 [ 4204.985292] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4205.026950] [] sock_sendmsg+0xe9/0x116 [ 4205.060517] [] ? SYSC_sendto+0x208/0x2df [ 4205.093570] [] SYSC_sendto+0x235/0x2df [ 4205.145775] [] ? SYSC_connect+0x267/0x267 [ 4205.181647] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4205.219723] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4205.257446] [] ? pick_next_task_stop+0x11c/0x12f [ 4205.296105] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4205.337381] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4205.379995] [] ? SyS_poll+0x262/0x2a1 [ 4205.416633] [] ? do_restart_poll+0x1de/0x1de [ 4205.456018] [] SyS_sendto+0x47/0x49 [ 4205.486981] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4205.526604] ================================================================================ [ 4205.573726] ================================================================================ [ 4205.624567] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4205.657716] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4205.715635] which requires 64 byte alignment [ 4205.769562] CPU: 3 PID: 1604 Comm: mv Tainted: G L 4.8.11 #1 [ 4205.815765] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4205.868046] 00000000ffffffff 00000000c610b5f4 ffff8800a199f910 ffffffffb26ec5cc [ 4205.914608] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4205.959183] ffff880000000010 ffff8800a199f938 ffff8800a199f8e8 ffffffffb363c3e0 [ 4206.006693] Call Trace: [ 4206.019400] [] dump_stack+0xd7/0x132 [ 4206.048952] [] ? arch_local_irq_restore+0x1b/0x1b [ 4206.085614] [] ubsan_epilogue+0x12/0x53 [ 4206.120324] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4206.166645] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4206.210693] [] ? deactivate_slab+0x53d/0x566 [ 4206.243952] [] ? vfs_rename+0x38c/0x8f6 [ 4206.273696] [] ext4_rename+0x443/0x11b8 [ 4206.305746] [] ? init_object+0x1d6/0x1e2 [ 4206.364808] [] ? ext4_tmpfile+0x3c2/0x3c2 [ 4206.397753] [] ? ___slab_alloc+0xb72/0xbd2 [ 4206.433466] [] ? ___slab_alloc+0xb72/0xbd2 [ 4206.474083] [] ? vfs_rename+0x38c/0x8f6 [ 4206.505291] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4206.544691] [] ? kasan_slab_alloc+0x12/0x14 [ 4206.579986] [] ext4_rename2+0x72/0x89 [ 4206.609752] [] vfs_rename+0x68e/0x8f6 [ 4206.643063] [] SYSC_renameat2+0x66a/0x7a3 [ 4206.679942] [] ? SYSC_symlinkat+0x218/0x218 [ 4206.719126] [] SyS_rename+0x2c/0x31 [ 4206.747024] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4206.783226] ================================================================================ [ 4206.834913] ================================================================================ [ 4206.892228] UBSAN: Undefined behaviour in net/ipv4/ip_output.c:176:24 [ 4206.954852] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4207.075378] which requires 64 byte alignment [ 4207.099147] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4207.144401] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4207.203968] 00000000ffffffff 000000006e3fad48 ffff8800590076b8 ffffffffb26ec5cc [ 4207.255220] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4207.300933] ffff880000000010 ffff8800590076e0 ffff880059007690 ffffffffb363c3e0 [ 4207.344593] Call Trace: [ 4207.361605] [] dump_stack+0xd7/0x132 [ 4207.392448] [] ? arch_local_irq_restore+0x1b/0x1b [ 4207.446599] [] ubsan_epilogue+0x12/0x53 [ 4207.478954] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4207.518178] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4207.579560] [] ip_finish_output2+0x153/0xbf2 [ 4207.618319] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4207.659352] [] ? pskb_trim_unique+0x1be/0x1be [ 4207.693574] [] ? ipv4_mtu+0x1b1/0x1bb [ 4207.723454] [] ip_finish_output+0x252/0x269 [ 4207.755467] [] ? ip_finish_output+0x252/0x269 [ 4207.795966] [] ip_output+0x199/0x1e0 [ 4207.821451] [] dst_output+0x90/0x9b [ 4207.856194] [] ip_local_out+0x43/0x56 [ 4207.888580] [] ? ip_send_skb+0x39/0xaf [ 4207.916911] [] ip_send_skb+0x48/0xaf [ 4207.947830] [] udp_send_skb+0x8de/0xada [ 4207.984272] [] udp_sendmsg+0xf69/0x1547 [ 4208.009036] [] ? csum_block_add+0x39/0x39 [ 4208.050263] [] ? udp_setsockopt+0x8b/0x8b [ 4208.081772] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4208.124097] [] ? aa_sk_perm+0x37f/0x391 [ 4208.175794] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4208.212943] [] inet_sendmsg+0xd8/0x191 [ 4208.250043] [] ? sock_sendmsg+0xdb/0x116 [ 4208.276611] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4208.315722] [] sock_sendmsg+0xe9/0x116 [ 4208.345139] [] ? SYSC_sendto+0x208/0x2df [ 4208.378603] [] SYSC_sendto+0x235/0x2df [ 4208.413593] [] ? SYSC_connect+0x267/0x267 [ 4208.439556] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4208.478606] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4208.521037] [] ? pick_next_task_stop+0x11c/0x12f [ 4208.555115] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4208.592961] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4208.638064] [] ? SyS_poll+0x262/0x2a1 [ 4208.669989] [] ? do_restart_poll+0x1de/0x1de [ 4208.706525] [] SyS_sendto+0x47/0x49 [ 4208.756855] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4208.911777] ================================================================================ [ 4208.942048] ================================================================================ [ 4208.966812] UBSAN: Undefined behaviour in net/core/neighbour.c:285:35 [ 4208.986425] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4209.013179] which requires 64 byte alignment [ 4209.024897] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4209.045281] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4209.093487] 00000000ffffffff 000000006e3fad48 ffff880059007520 ffffffffb26ec5cc [ 4209.136154] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4209.179399] 0000000000000010 ffff880059007548 ffff8800590074f8 ffffffffb363c3e0 [ 4209.228872] Call Trace: [ 4209.241615] [] dump_stack+0xd7/0x132 [ 4209.276025] [] ? arch_local_irq_restore+0x1b/0x1b [ 4209.309678] [] ubsan_epilogue+0x12/0x53 [ 4209.372004] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4209.417757] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4209.461250] [] ? vprintk_emit+0x636/0x647 [ 4209.495177] [] __neigh_create+0x6e0/0x16f2 [ 4209.532529] [] ? neigh_table_clear+0x261/0x261 [ 4209.570547] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4209.607978] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4209.655685] [] ip_finish_output2+0x786/0xbf2 [ 4209.692300] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4209.734889] [] ? pskb_trim_unique+0x1be/0x1be [ 4209.770425] [] ? ipv4_mtu+0x1b1/0x1bb [ 4209.802900] [] ip_finish_output+0x252/0x269 [ 4209.836486] [] ? ip_finish_output+0x252/0x269 [ 4209.873660] [] ip_output+0x199/0x1e0 [ 4209.905629] [] dst_output+0x90/0x9b [ 4209.962431] [] ip_local_out+0x43/0x56 [ 4209.994618] [] ? ip_send_skb+0x39/0xaf [ 4210.030752] [] ip_send_skb+0x48/0xaf [ 4210.066400] [] udp_send_skb+0x8de/0xada [ 4210.089338] [] udp_sendmsg+0xf69/0x1547 [ 4210.126224] [] ? csum_block_add+0x39/0x39 [ 4210.162614] [] ? udp_setsockopt+0x8b/0x8b [ 4210.189447] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4210.230341] [] ? aa_sk_perm+0x37f/0x391 [ 4210.257523] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4210.291674] [] inet_sendmsg+0xd8/0x191 [ 4210.325501] [] ? sock_sendmsg+0xdb/0x116 [ 4210.355958] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4210.392979] [] sock_sendmsg+0xe9/0x116 [ 4210.426520] [] ? SYSC_sendto+0x208/0x2df [ 4210.458231] [] SYSC_sendto+0x235/0x2df [ 4210.491281] [] ? SYSC_connect+0x267/0x267 [ 4210.527121] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4210.587919] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4210.625475] [] ? pick_next_task_stop+0x11c/0x12f [ 4210.666705] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4210.706941] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4210.746570] [] ? SyS_poll+0x262/0x2a1 [ 4210.775967] [] ? do_restart_poll+0x1de/0x1de [ 4210.812352] [] SyS_sendto+0x47/0x49 [ 4210.839992] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4210.872910] ================================================================================ [ 4210.928680] ================================================================================ [ 4210.983062] UBSAN: Undefined behaviour in fs/ext4/namei.c:3574:20 [ 4211.015633] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4211.060717] which requires 64 byte alignment [ 4211.087630] CPU: 3 PID: 1604 Comm: mv Tainted: G L 4.8.11 #1 [ 4211.124987] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4211.201238] 00000000ffffffff 00000000c610b5f4 ffff8800a199f910 ffffffffb26ec5cc [ 4211.247892] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4211.298561] ffff880000000010 ffff8800a199f938 ffff8800a199f8e8 ffffffffb363c3e0 [ 4211.343309] Call Trace: [ 4211.354879] [] dump_stack+0xd7/0x132 [ 4211.386160] [] ? arch_local_irq_restore+0x1b/0x1b [ 4211.424048] [] ubsan_epilogue+0x12/0x53 [ 4211.459254] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4211.496232] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4211.545462] [] ? deactivate_slab+0x53d/0x566 [ 4211.578981] [] ? vfs_rename+0x38c/0x8f6 [ 4211.613442] [] ext4_rename+0x46f/0x11b8 [ 4211.648583] [] ? init_object+0x1d6/0x1e2 [ 4211.678681] [] ? ext4_tmpfile+0x3c2/0x3c2 [ 4211.709733] [] ? ___slab_alloc+0xb72/0xbd2 [ 4211.743189] [] ? ___slab_alloc+0xb72/0xbd2 [ 4211.776561] [] ? vfs_rename+0x38c/0x8f6 [ 4211.801764] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4211.845057] [] ? kasan_slab_alloc+0x12/0x14 [ 4211.876324] [] ext4_rename2+0x72/0x89 [ 4211.908441] [] vfs_rename+0x68e/0x8f6 [ 4211.940617] [] SYSC_renameat2+0x66a/0x7a3 [ 4211.972549] [] ? SYSC_symlinkat+0x218/0x218 [ 4212.013064] [] SyS_rename+0x2c/0x31 [ 4212.042359] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4212.079006] ================================================================================ [ 4212.124635] ================================================================================ [ 4212.179117] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4212.219013] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4212.271400] which requires 64 byte alignment [ 4212.296174] CPU: 3 PID: 1604 Comm: mv Tainted: G L 4.8.11 #1 [ 4212.339825] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4212.396380] 00000000ffffffff 00000000c610b5f4 ffff8800a199f910 ffffffffb26ec5cc [ 4212.444805] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4212.490302] ffff880000000010 ffff8800a199f938 ffff8800a199f8e8 ffffffffb363c3e0 [ 4212.539606] Call Trace: [ 4212.554832] [] dump_stack+0xd7/0x132 [ 4212.581174] [] ? arch_local_irq_restore+0x1b/0x1b [ 4212.623635] [] ubsan_epilogue+0x12/0x53 [ 4212.658332] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4212.696159] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4212.737058] [] ext4_rename+0x50e/0x11b8 [ 4212.770270] [] ? init_object+0x1d6/0x1e2 [ 4212.801690] [] ? ext4_tmpfile+0x3c2/0x3c2 [ 4212.836081] [] ? ___slab_alloc+0xb72/0xbd2 [ 4212.869772] [] ? ___slab_alloc+0xb72/0xbd2 [ 4212.906893] [] ? vfs_rename+0x38c/0x8f6 [ 4212.943400] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4212.986614] [] ? kasan_slab_alloc+0x12/0x14 [ 4213.020041] [] ext4_rename2+0x72/0x89 [ 4213.050387] [] vfs_rename+0x68e/0x8f6 [ 4213.081042] [] SYSC_renameat2+0x66a/0x7a3 [ 4213.114073] [] ? SYSC_symlinkat+0x218/0x218 [ 4213.148325] [] SyS_rename+0x2c/0x31 [ 4213.173698] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4213.213386] ================================================================================ [ 4213.290013] ================================================================================ [ 4213.337100] UBSAN: Undefined behaviour in fs/ext4/namei.c:3577:17 [ 4213.373248] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4213.427385] which requires 64 byte alignment [ 4213.451867] CPU: 3 PID: 1604 Comm: mv Tainted: G L 4.8.11 #1 [ 4213.489585] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4213.552962] 00000000ffffffff 00000000c610b5f4 ffff8800a199f910 ffffffffb26ec5cc [ 4213.597538] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4213.647418] ffff880000000010 ffff8800a199f938 ffff8800a199f8e8 ffffffffb363c3e0 [ 4213.691202] Call Trace: [ 4213.706226] [] dump_stack+0xd7/0x132 [ 4213.741341] [] ? arch_local_irq_restore+0x1b/0x1b [ 4213.783002] [] ubsan_epilogue+0x12/0x53 [ 4213.812078] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4213.850644] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4213.892120] [] ext4_rename+0x53b/0x11b8 [ 4213.930523] [] ? init_object+0x1d6/0x1e2 [ 4213.960648] [] ? ext4_tmpfile+0x3c2/0x3c2 [ 4213.988614] [] ? ___slab_alloc+0xb72/0xbd2 [ 4214.020812] [] ? ___slab_alloc+0xb72/0xbd2 [ 4214.058742] [] ? vfs_rename+0x38c/0x8f6 [ 4214.088335] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4214.132310] [] ? kasan_slab_alloc+0x12/0x14 [ 4214.171154] [] ext4_rename2+0x72/0x89 [ 4214.193771] [] vfs_rename+0x68e/0x8f6 [ 4214.234088] [] SYSC_renameat2+0x66a/0x7a3 [ 4214.267428] [] ? SYSC_symlinkat+0x218/0x218 [ 4214.299908] [] SyS_rename+0x2c/0x31 [ 4214.335520] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4214.369015] ================================================================================ [ 4214.425915] ================================================================================ [ 4214.480445] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:3368:2 [ 4214.520407] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4214.577165] which requires 64 byte alignment [ 4214.599322] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4214.654804] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4214.732055] 00000000ffffffff 000000006e3fad48 ffff880059007520 ffffffffb26ec5cc [ 4214.816049] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4214.886524] ffff880000000010 ffff880059007548 ffff8800590074f8 ffffffffb363c3e0 [ 4214.948713] Call Trace: [ 4214.961774] [] dump_stack+0xd7/0x132 [ 4214.991218] [] ? arch_local_irq_restore+0x1b/0x1b [ 4215.026988] [] ubsan_epilogue+0x12/0x53 [ 4215.059401] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4215.096143] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4215.143986] [] ? memset+0x31/0x38 [ 4215.176760] [] __neigh_create+0xb8a/0x16f2 [ 4215.214287] [] ? neigh_table_clear+0x261/0x261 [ 4215.249439] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4215.291002] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4215.335968] [] ip_finish_output2+0x786/0xbf2 [ 4215.369707] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4215.412758] [] ? pskb_trim_unique+0x1be/0x1be [ 4215.449029] [] ? ipv4_mtu+0x1b1/0x1bb [ 4215.479155] [] ip_finish_output+0x252/0x269 [ 4215.513648] [] ? ip_finish_output+0x252/0x269 [ 4215.550791] [] ip_output+0x199/0x1e0 [ 4215.587290] [] dst_output+0x90/0x9b [ 4215.618066] [] ip_local_out+0x43/0x56 [ 4215.648939] [] ? ip_send_skb+0x39/0xaf [ 4215.679432] [] ip_send_skb+0x48/0xaf [ 4215.709454] [] udp_send_skb+0x8de/0xada [ 4215.745359] [] udp_sendmsg+0xf69/0x1547 [ 4215.797103] [] ? csum_block_add+0x39/0x39 [ 4215.834590] [] ? udp_setsockopt+0x8b/0x8b [ 4215.867026] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4215.900876] [] ? aa_sk_perm+0x37f/0x391 [ 4215.933310] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4215.961585] [] inet_sendmsg+0xd8/0x191 [ 4215.996075] [] ? sock_sendmsg+0xdb/0x116 [ 4216.030923] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4216.069093] [] sock_sendmsg+0xe9/0x116 [ 4216.099896] [] ? SYSC_sendto+0x208/0x2df [ 4216.137312] [] SYSC_sendto+0x235/0x2df [ 4216.164341] [] ? SYSC_connect+0x267/0x267 [ 4216.192867] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4216.234903] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4216.269291] [] ? pick_next_task_stop+0x11c/0x12f [ 4216.309414] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4216.351685] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4216.390999] [] ? SyS_poll+0x262/0x2a1 [ 4216.422998] [] ? do_restart_poll+0x1de/0x1de [ 4216.458188] [] SyS_sendto+0x47/0x49 [ 4216.489041] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4216.520754] ================================================================================ [ 4216.571859] ================================================================================ [ 4216.622243] UBSAN: Undefined behaviour in net/ipv4/arp.c:245:10 [ 4216.656685] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4216.715566] which requires 64 byte alignment [ 4216.740539] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4216.780984] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4216.840240] 00000000ffffffff 000000006e3fad48 ffff8800590074d8 ffffffffb26ec5cc [ 4216.889979] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4216.933534] ffffffff00000010 ffff880059007500 ffff8800590074b0 ffffffffb363c3e0 [ 4216.978594] Call Trace: [ 4216.996340] [] dump_stack+0xd7/0x132 [ 4217.021136] [] ? arch_local_irq_restore+0x1b/0x1b [ 4217.064192] [] ubsan_epilogue+0x12/0x53 [ 4217.095800] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4217.138646] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4217.182273] [] arp_constructor+0x1c2/0x69a [ 4217.211809] [] ? arp_mc_map+0x65e/0x65e [ 4217.244354] [] __neigh_create+0xc1d/0x16f2 [ 4217.280344] [] ? neigh_table_clear+0x261/0x261 [ 4217.313263] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4217.356573] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4217.397032] [] ip_finish_output2+0x786/0xbf2 [ 4217.444060] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4217.490215] [] ? pskb_trim_unique+0x1be/0x1be [ 4217.523474] [] ? ipv4_mtu+0x1b1/0x1bb [ 4217.555920] [] ip_finish_output+0x252/0x269 [ 4217.591647] [] ? ip_finish_output+0x252/0x269 [ 4217.622286] [] ip_output+0x199/0x1e0 [ 4217.652847] [] dst_output+0x90/0x9b [ 4217.686947] [] ip_local_out+0x43/0x56 [ 4217.715105] [] ? ip_send_skb+0x39/0xaf [ 4217.754024] [] ip_send_skb+0x48/0xaf [ 4217.783618] [] udp_send_skb+0x8de/0xada [ 4217.821484] [] udp_sendmsg+0xf69/0x1547 [ 4217.853568] [] ? csum_block_add+0x39/0x39 [ 4217.889225] [] ? udp_setsockopt+0x8b/0x8b [ 4217.929000] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4217.971560] [] ? aa_sk_perm+0x37f/0x391 [ 4218.003773] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4218.051429] [] inet_sendmsg+0xd8/0x191 [ 4218.084559] [] ? sock_sendmsg+0xdb/0x116 [ 4218.124377] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4218.157469] [] sock_sendmsg+0xe9/0x116 [ 4218.198390] [] ? SYSC_sendto+0x208/0x2df [ 4218.231011] [] SYSC_sendto+0x235/0x2df [ 4218.264654] [] ? SYSC_connect+0x267/0x267 [ 4218.297469] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4218.338294] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4218.375640] [] ? pick_next_task_stop+0x11c/0x12f [ 4218.412604] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4218.455424] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4218.498949] [] ? SyS_poll+0x262/0x2a1 [ 4218.530655] [] ? do_restart_poll+0x1de/0x1de [ 4218.566366] [] SyS_sendto+0x47/0x49 [ 4218.595854] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4218.633043] ================================================================================ [ 4218.690204] ================================================================================ [ 4218.741783] UBSAN: Undefined behaviour in net/ipv4/arp.c:268:17 [ 4218.782830] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4218.836949] which requires 64 byte alignment [ 4218.861091] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4218.911223] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4218.971690] 00000000ffffffff 000000006e3fad48 ffff8800590074d8 ffffffffb26ec5cc [ 4219.014488] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4219.061634] ffffffff00000010 ffff880059007500 ffff8800590074b0 ffffffffb363c3e0 [ 4219.110034] Call Trace: [ 4219.124399] [] dump_stack+0xd7/0x132 [ 4219.155611] [] ? arch_local_irq_restore+0x1b/0x1b [ 4219.190457] [] ubsan_epilogue+0x12/0x53 [ 4219.221478] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4219.266529] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4219.306357] [] arp_constructor+0x327/0x69a [ 4219.339914] [] ? arp_mc_map+0x65e/0x65e [ 4219.371323] [] __neigh_create+0xc1d/0x16f2 [ 4219.406604] [] ? neigh_table_clear+0x261/0x261 [ 4219.444704] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4219.489398] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4219.530727] [] ip_finish_output2+0x786/0xbf2 [ 4219.567020] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4219.616485] [] ? pskb_trim_unique+0x1be/0x1be [ 4219.659527] [] ? ipv4_mtu+0x1b1/0x1bb [ 4219.693246] [] ip_finish_output+0x252/0x269 [ 4219.725472] [] ? ip_finish_output+0x252/0x269 [ 4219.760106] [] ip_output+0x199/0x1e0 [ 4219.793181] [] dst_output+0x90/0x9b [ 4219.820206] [] ip_local_out+0x43/0x56 [ 4219.858613] [] ? ip_send_skb+0x39/0xaf [ 4219.888110] [] ip_send_skb+0x48/0xaf [ 4219.913265] [] udp_send_skb+0x8de/0xada [ 4219.953400] [] udp_sendmsg+0xf69/0x1547 [ 4219.983779] [] ? csum_block_add+0x39/0x39 [ 4220.015971] [] ? udp_setsockopt+0x8b/0x8b [ 4220.054055] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4220.090438] [] ? aa_sk_perm+0x37f/0x391 [ 4220.121661] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4220.155706] [] inet_sendmsg+0xd8/0x191 [ 4220.188157] [] ? sock_sendmsg+0xdb/0x116 [ 4220.223771] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4220.260196] [] sock_sendmsg+0xe9/0x116 [ 4220.288069] [] ? SYSC_sendto+0x208/0x2df [ 4220.324628] [] SYSC_sendto+0x235/0x2df [ 4220.355307] [] ? SYSC_connect+0x267/0x267 [ 4220.387776] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4220.427663] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4220.466210] [] ? pick_next_task_stop+0x11c/0x12f [ 4220.499310] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4220.531959] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4220.573285] [] ? SyS_poll+0x262/0x2a1 [ 4220.606604] [] ? do_restart_poll+0x1de/0x1de [ 4220.643034] [] SyS_sendto+0x47/0x49 [ 4220.672952] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4220.716254] ================================================================================ [ 4220.771448] ================================================================================ [ 4220.825284] UBSAN: Undefined behaviour in net/ipv4/arp.c:270:40 [ 4220.863377] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4220.918134] which requires 64 byte alignment [ 4220.940919] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4220.980957] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4221.040770] 00000000ffffffff 000000006e3fad48 ffff8800590074d8 ffffffffb26ec5cc [ 4221.085365] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4221.128773] ffffffff00000010 ffff880059007500 ffff8800590074b0 ffffffffb363c3e0 [ 4221.179496] Call Trace: [ 4221.195456] [] dump_stack+0xd7/0x132 [ 4221.226846] [] ? arch_local_irq_restore+0x1b/0x1b [ 4221.264598] [] ubsan_epilogue+0x12/0x53 [ 4221.299384] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4221.337510] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4221.380051] [] arp_constructor+0x38d/0x69a [ 4221.419266] [] ? arp_mc_map+0x65e/0x65e [ 4221.454384] [] __neigh_create+0xc1d/0x16f2 [ 4221.481755] [] ? neigh_table_clear+0x261/0x261 [ 4221.524914] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4221.564169] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4221.610459] [] ip_finish_output2+0x786/0xbf2 [ 4221.641328] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4221.684804] [] ? pskb_trim_unique+0x1be/0x1be [ 4221.716028] [] ? ipv4_mtu+0x1b1/0x1bb [ 4221.749318] [] ip_finish_output+0x252/0x269 [ 4221.782666] [] ? ip_finish_output+0x252/0x269 [ 4221.816284] [] ip_output+0x199/0x1e0 [ 4221.847755] [] dst_output+0x90/0x9b [ 4221.883452] [] ip_local_out+0x43/0x56 [ 4221.905761] [] ? ip_send_skb+0x39/0xaf [ 4221.941714] [] ip_send_skb+0x48/0xaf [ 4221.978992] [] udp_send_skb+0x8de/0xada [ 4222.011095] [] udp_sendmsg+0xf69/0x1547 [ 4222.041974] [] ? csum_block_add+0x39/0x39 [ 4222.076021] [] ? udp_setsockopt+0x8b/0x8b [ 4222.110308] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4222.144462] [] ? aa_sk_perm+0x37f/0x391 [ 4222.182378] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4222.216395] [] inet_sendmsg+0xd8/0x191 [ 4222.255182] [] ? sock_sendmsg+0xdb/0x116 [ 4222.286844] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4222.320025] [] sock_sendmsg+0xe9/0x116 [ 4222.355977] [] ? SYSC_sendto+0x208/0x2df [ 4222.390619] [] SYSC_sendto+0x235/0x2df [ 4222.428573] [] ? SYSC_connect+0x267/0x267 [ 4222.470296] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4222.505331] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4222.539476] [] ? pick_next_task_stop+0x11c/0x12f [ 4222.611516] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4222.677714] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4222.716745] [] ? SyS_poll+0x262/0x2a1 [ 4222.752883] [] ? do_restart_poll+0x1de/0x1de [ 4222.783601] [] SyS_sendto+0x47/0x49 [ 4222.819472] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4222.859330] ================================================================================ [ 4222.905128] ================================================================================ [ 4222.961440] UBSAN: Undefined behaviour in net/ipv4/arp.c:270:25 [ 4222.998766] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4223.050780] which requires 64 byte alignment [ 4223.077574] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4223.124483] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4223.185238] 00000000ffffffff 000000006e3fad48 ffff8800590074d8 ffffffffb26ec5cc [ 4223.231826] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4223.277616] ffffffff00000010 ffff880059007500 ffff8800590074b0 ffffffffb363c3e0 [ 4223.317460] Call Trace: [ 4223.334957] [] dump_stack+0xd7/0x132 [ 4223.370064] [] ? arch_local_irq_restore+0x1b/0x1b [ 4223.399877] [] ubsan_epilogue+0x12/0x53 [ 4223.432914] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4223.475107] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4223.514123] [] arp_constructor+0x3bd/0x69a [ 4223.541149] [] ? arp_mc_map+0x65e/0x65e [ 4223.577353] [] __neigh_create+0xc1d/0x16f2 [ 4223.611394] [] ? neigh_table_clear+0x261/0x261 [ 4223.649476] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4223.691883] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4223.732158] [] ip_finish_output2+0x786/0xbf2 [ 4223.791990] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4223.864404] [] ? pskb_trim_unique+0x1be/0x1be [ 4223.903157] [] ? ipv4_mtu+0x1b1/0x1bb [ 4223.933291] [] ip_finish_output+0x252/0x269 [ 4223.974403] [] ? ip_finish_output+0x252/0x269 [ 4224.007322] [] ip_output+0x199/0x1e0 [ 4224.039348] [] dst_output+0x90/0x9b [ 4224.070688] [] ip_local_out+0x43/0x56 [ 4224.102862] [] ? ip_send_skb+0x39/0xaf [ 4224.138811] [] ip_send_skb+0x48/0xaf [ 4224.166500] [] udp_send_skb+0x8de/0xada [ 4224.197772] [] udp_sendmsg+0xf69/0x1547 [ 4224.237037] [] ? csum_block_add+0x39/0x39 [ 4224.275548] [] ? udp_setsockopt+0x8b/0x8b [ 4224.310474] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4224.354261] [] ? aa_sk_perm+0x37f/0x391 [ 4224.387448] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4224.427910] [] inet_sendmsg+0xd8/0x191 [ 4224.465249] [] ? sock_sendmsg+0xdb/0x116 [ 4224.503661] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4224.542564] [] sock_sendmsg+0xe9/0x116 [ 4224.582701] [] ? SYSC_sendto+0x208/0x2df [ 4224.614298] [] SYSC_sendto+0x235/0x2df [ 4224.645663] [] ? SYSC_connect+0x267/0x267 [ 4224.683201] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4224.722558] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4224.761382] [] ? pick_next_task_stop+0x11c/0x12f [ 4224.793614] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4224.838615] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4224.884202] [] ? SyS_poll+0x262/0x2a1 [ 4224.918494] [] ? do_restart_poll+0x1de/0x1de [ 4224.954549] [] SyS_sendto+0x47/0x49 [ 4224.984940] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4225.026519] ================================================================================ [ 4225.076596] ================================================================================ [ 4225.127060] UBSAN: Undefined behaviour in net/ipv4/arp.c:277:10 [ 4225.168982] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4225.223980] which requires 64 byte alignment [ 4225.255877] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4225.300320] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4225.356960] 00000000ffffffff 000000006e3fad48 ffff8800590074d8 ffffffffb26ec5cc [ 4225.408254] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4225.456730] ffffffff00000010 ffff880059007500 ffff8800590074b0 ffffffffb363c3e0 [ 4225.502873] Call Trace: [ 4225.518574] [] dump_stack+0xd7/0x132 [ 4225.551963] [] ? arch_local_irq_restore+0x1b/0x1b [ 4225.590519] [] ubsan_epilogue+0x12/0x53 [ 4225.621268] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4225.663802] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4225.704281] [] arp_constructor+0x4c0/0x69a [ 4225.741187] [] ? arp_mc_map+0x65e/0x65e [ 4225.775544] [] __neigh_create+0xc1d/0x16f2 [ 4225.811232] [] ? neigh_table_clear+0x261/0x261 [ 4225.845655] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4225.891044] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4225.932794] [] ip_finish_output2+0x786/0xbf2 [ 4225.969177] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4226.011370] [] ? pskb_trim_unique+0x1be/0x1be [ 4226.046124] [] ? ipv4_mtu+0x1b1/0x1bb [ 4226.075677] [] ip_finish_output+0x252/0x269 [ 4226.108264] [] ? ip_finish_output+0x252/0x269 [ 4226.144827] [] ip_output+0x199/0x1e0 [ 4226.176470] [] dst_output+0x90/0x9b [ 4226.212436] [] ip_local_out+0x43/0x56 [ 4226.246003] [] ? ip_send_skb+0x39/0xaf [ 4226.278715] [] ip_send_skb+0x48/0xaf [ 4226.308551] [] udp_send_skb+0x8de/0xada [ 4226.338753] [] udp_sendmsg+0xf69/0x1547 [ 4226.378034] [] ? csum_block_add+0x39/0x39 [ 4226.410412] [] ? udp_setsockopt+0x8b/0x8b [ 4226.448997] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4226.486089] [] ? aa_sk_perm+0x37f/0x391 [ 4226.512796] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4226.549262] [] inet_sendmsg+0xd8/0x191 [ 4226.576050] [] ? sock_sendmsg+0xdb/0x116 [ 4226.614886] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4226.646803] [] sock_sendmsg+0xe9/0x116 [ 4226.682434] [] ? SYSC_sendto+0x208/0x2df [ 4226.712952] [] SYSC_sendto+0x235/0x2df [ 4226.746211] [] ? SYSC_connect+0x267/0x267 [ 4226.779139] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4226.814936] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4226.851589] [] ? pick_next_task_stop+0x11c/0x12f [ 4226.888365] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4226.927358] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4226.966039] [] ? SyS_poll+0x262/0x2a1 [ 4226.996087] [] ? do_restart_poll+0x1de/0x1de [ 4227.038810] [] SyS_sendto+0x47/0x49 [ 4227.067817] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4227.104793] ================================================================================ [ 4227.155503] ================================================================================ [ 4227.207388] UBSAN: Undefined behaviour in net/core/neighbour.c:475:9 [ 4227.243339] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4227.298132] which requires 64 byte alignment [ 4227.321375] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4227.365092] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4227.416632] 00000000ffffffff 000000006e3fad48 ffff880059007520 ffffffffb26ec5cc [ 4227.466323] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4227.509433] 0000000000000010 ffff880059007548 ffff8800590074f8 ffffffffb363c3e0 [ 4227.557087] Call Trace: [ 4227.567649] [] dump_stack+0xd7/0x132 [ 4227.606456] [] ? arch_local_irq_restore+0x1b/0x1b [ 4227.638992] [] ubsan_epilogue+0x12/0x53 [ 4227.683594] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4227.716614] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4227.758495] [] ? neigh_event_send+0xd3/0xd3 [ 4227.789278] [] ? arp_constructor+0x68a/0x69a [ 4227.821446] [] __neigh_create+0xc53/0x16f2 [ 4227.853500] [] ? neigh_table_clear+0x261/0x261 [ 4227.898170] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4227.937646] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4227.980552] [] ip_finish_output2+0x786/0xbf2 [ 4228.022095] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4228.059651] [] ? pskb_trim_unique+0x1be/0x1be [ 4228.095613] [] ? ipv4_mtu+0x1b1/0x1bb [ 4228.120929] [] ip_finish_output+0x252/0x269 [ 4228.162772] [] ? ip_finish_output+0x252/0x269 [ 4228.192504] [] ip_output+0x199/0x1e0 [ 4228.222862] [] dst_output+0x90/0x9b [ 4228.250263] [] ip_local_out+0x43/0x56 [ 4228.276337] [] ? ip_send_skb+0x39/0xaf [ 4228.313092] [] ip_send_skb+0x48/0xaf [ 4228.347649] [] udp_send_skb+0x8de/0xada [ 4228.377489] [] udp_sendmsg+0xf69/0x1547 [ 4228.410475] [] ? csum_block_add+0x39/0x39 [ 4228.441333] [] ? udp_setsockopt+0x8b/0x8b [ 4228.478360] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4228.513227] [] ? aa_sk_perm+0x37f/0x391 [ 4228.544028] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4228.577204] [] inet_sendmsg+0xd8/0x191 [ 4228.616625] [] ? sock_sendmsg+0xdb/0x116 [ 4228.647265] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4228.683740] [] sock_sendmsg+0xe9/0x116 [ 4228.712821] [] ? SYSC_sendto+0x208/0x2df [ 4228.743790] [] SYSC_sendto+0x235/0x2df [ 4228.776877] [] ? SYSC_connect+0x267/0x267 [ 4228.813078] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4228.847068] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4228.890685] [] ? pick_next_task_stop+0x11c/0x12f [ 4228.920854] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4228.964209] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4229.007684] [] ? SyS_poll+0x262/0x2a1 [ 4229.036495] [] ? do_restart_poll+0x1de/0x1de [ 4229.069299] [] SyS_sendto+0x47/0x49 [ 4229.103593] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4229.142345] ================================================================================ [ 4229.191593] ================================================================================ [ 4229.243929] UBSAN: Undefined behaviour in net/core/neighbour.c:1295:10 [ 4229.283360] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4229.335279] which requires 64 byte alignment [ 4229.365353] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4229.407712] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4229.463978] 00000000ffffffff 000000006e3fad48 ffff880059007650 ffffffffb26ec5cc [ 4229.505140] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4229.559814] ffffed0000000010 ffff880059007678 ffff880059007628 ffffffffb363c3e0 [ 4229.599501] Call Trace: [ 4229.613049] [] dump_stack+0xd7/0x132 [ 4229.646851] [] ? arch_local_irq_restore+0x1b/0x1b [ 4229.690048] [] ubsan_epilogue+0x12/0x53 [ 4229.716993] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4229.759405] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4229.798670] [] neigh_resolve_output+0x85/0x53b [ 4229.834816] [] ip_finish_output2+0xb2a/0xbf2 [ 4229.866331] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4229.905146] [] ? pskb_trim_unique+0x1be/0x1be [ 4229.943343] [] ? ipv4_mtu+0x1b1/0x1bb [ 4229.976205] [] ip_finish_output+0x252/0x269 [ 4230.010683] [] ? ip_finish_output+0x252/0x269 [ 4230.051472] [] ip_output+0x199/0x1e0 [ 4230.080323] [] dst_output+0x90/0x9b [ 4230.110178] [] ip_local_out+0x43/0x56 [ 4230.137598] [] ? ip_send_skb+0x39/0xaf [ 4230.172315] [] ip_send_skb+0x48/0xaf [ 4230.205125] [] udp_send_skb+0x8de/0xada [ 4230.236983] [] udp_sendmsg+0xf69/0x1547 [ 4230.267098] [] ? csum_block_add+0x39/0x39 [ 4230.299420] [] ? udp_setsockopt+0x8b/0x8b [ 4230.335894] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4230.374486] [] ? aa_sk_perm+0x37f/0x391 [ 4230.410200] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4230.439613] [] inet_sendmsg+0xd8/0x191 [ 4230.471080] [] ? sock_sendmsg+0xdb/0x116 [ 4230.505140] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4230.539330] [] sock_sendmsg+0xe9/0x116 [ 4230.565721] [] ? SYSC_sendto+0x208/0x2df [ 4230.606967] [] SYSC_sendto+0x235/0x2df [ 4230.642035] [] ? SYSC_connect+0x267/0x267 [ 4230.669300] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4230.703869] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4230.737085] [] ? pick_next_task_stop+0x11c/0x12f [ 4230.775836] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4230.815225] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4230.855416] [] ? SyS_poll+0x262/0x2a1 [ 4230.889673] [] ? do_restart_poll+0x1de/0x1de [ 4230.920442] [] SyS_sendto+0x47/0x49 [ 4230.951097] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4230.987896] ================================================================================ [ 4231.040262] ================================================================================ [ 4231.088078] UBSAN: Undefined behaviour in net/core/neighbour.c:1279:6 [ 4231.124668] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4231.180279] which requires 64 byte alignment [ 4231.214932] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4231.249359] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4231.307954] 00000000ffffffff 000000006e3fad48 ffff880059007650 ffffffffb26ec5cc [ 4231.355145] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4231.401102] ffff880000000010 ffff880059007678 ffff880059007628 ffffffffb363c3e0 [ 4231.443502] Call Trace: [ 4231.459077] [] dump_stack+0xd7/0x132 [ 4231.491462] [] ? arch_local_irq_restore+0x1b/0x1b [ 4231.527415] [] ubsan_epilogue+0x12/0x53 [ 4231.561107] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4231.600801] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4231.637456] [] neigh_resolve_output+0x1dd/0x53b [ 4231.676256] [] ip_finish_output2+0xb2a/0xbf2 [ 4231.709351] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4231.751577] [] ? pskb_trim_unique+0x1be/0x1be [ 4231.790134] [] ? ipv4_mtu+0x1b1/0x1bb [ 4231.819421] [] ip_finish_output+0x252/0x269 [ 4231.858537] [] ? ip_finish_output+0x252/0x269 [ 4231.895003] [] ip_output+0x199/0x1e0 [ 4231.921339] [] dst_output+0x90/0x9b [ 4231.958762] [] ip_local_out+0x43/0x56 [ 4231.980995] [] ? ip_send_skb+0x39/0xaf [ 4232.020627] [] ip_send_skb+0x48/0xaf [ 4232.057027] [] udp_send_skb+0x8de/0xada [ 4232.097665] [] udp_sendmsg+0xf69/0x1547 [ 4232.138782] [] ? csum_block_add+0x39/0x39 [ 4232.240853] [] ? udp_setsockopt+0x8b/0x8b [ 4232.391901] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4232.463191] [] ? aa_sk_perm+0x37f/0x391 [ 4232.556775] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4232.640323] [] inet_sendmsg+0xd8/0x191 [ 4232.747090] [] ? sock_sendmsg+0xdb/0x116 [ 4233.013727] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4233.175093] [] sock_sendmsg+0xe9/0x116 [ 4233.326913] [] ? SYSC_sendto+0x208/0x2df [ 4233.413510] [] SYSC_sendto+0x235/0x2df [ 4233.502373] [] ? SYSC_connect+0x267/0x267 [ 4233.590808] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4233.688886] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4233.747040] [] ? pick_next_task_stop+0x11c/0x12f [ 4233.799193] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4233.866532] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4233.929075] [] ? SyS_poll+0x262/0x2a1 [ 4233.983098] [] ? do_restart_poll+0x1de/0x1de [ 4234.024027] [] SyS_sendto+0x47/0x49 [ 4234.103905] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4234.189443] ================================================================================ [ 4234.252937] ================================================================================ [ 4234.313193] UBSAN: Undefined behaviour in net/ethernet/eth.c:239:27 [ 4234.365702] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 4234.427055] which requires 64 byte alignment [ 4234.453780] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4234.514982] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4234.588537] 00000000ffffffff 000000006e3fad48 ffff880059007610 ffffffffb26ec5cc [ 4234.655847] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4234.714820] ffff880000000010 ffff880059007638 ffff8800590075e8 ffffffffb363c3e0 [ 4234.776582] Call Trace: [ 4234.793191] [] dump_stack+0xd7/0x132 [ 4234.830707] [] ? arch_local_irq_restore+0x1b/0x1b [ 4234.894346] [] ubsan_epilogue+0x12/0x53 [ 4234.932744] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4234.981040] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4235.036979] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4235.088002] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4235.153113] [] eth_header_cache+0xa8/0x11d [ 4235.183925] [] ? neigh_resolve_output+0x213/0x53b [ 4235.246128] [] neigh_resolve_output+0x221/0x53b [ 4235.300830] [] ip_finish_output2+0xb2a/0xbf2 [ 4235.355677] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4235.407733] [] ? pskb_trim_unique+0x1be/0x1be [ 4235.450774] [] ? ipv4_mtu+0x1b1/0x1bb [ 4235.483534] [] ip_finish_output+0x252/0x269 [ 4235.525580] [] ? ip_finish_output+0x252/0x269 [ 4235.571110] [] ip_output+0x199/0x1e0 [ 4235.611004] [] dst_output+0x90/0x9b [ 4235.658464] [] ip_local_out+0x43/0x56 [ 4235.700600] [] ? ip_send_skb+0x39/0xaf [ 4235.776070] [] ip_send_skb+0x48/0xaf [ 4235.822488] [] udp_send_skb+0x8de/0xada [ 4235.853113] [] udp_sendmsg+0xf69/0x1547 [ 4235.907175] [] ? csum_block_add+0x39/0x39 [ 4235.952671] [] ? udp_setsockopt+0x8b/0x8b [ 4235.990423] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4236.052015] [] ? aa_sk_perm+0x37f/0x391 [ 4236.100780] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4236.149590] [] inet_sendmsg+0xd8/0x191 [ 4236.205519] [] ? sock_sendmsg+0xdb/0x116 [ 4236.294964] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4236.347863] [] sock_sendmsg+0xe9/0x116 [ 4236.389436] [] ? SYSC_sendto+0x208/0x2df [ 4236.432560] [] SYSC_sendto+0x235/0x2df [ 4236.472768] [] ? SYSC_connect+0x267/0x267 [ 4236.512820] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4236.559187] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4236.608467] [] ? pick_next_task_stop+0x11c/0x12f [ 4236.664267] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4236.720263] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4236.780372] [] ? SyS_poll+0x262/0x2a1 [ 4236.818258] [] ? do_restart_poll+0x1de/0x1de [ 4236.862536] [] SyS_sendto+0x47/0x49 [ 4236.897383] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4236.950527] ================================================================================ [ 4237.012404] ================================================================================ [ 4237.112751] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:2744:10 [ 4237.207481] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4237.263176] which requires 64 byte alignment [ 4237.288769] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4237.343119] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4237.411802] 00000000ffffffff 000000006e3fad48 ffff880059007608 ffffffffb26ec5cc [ 4237.476472] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4237.524197] ffffffff00000010 ffff880059007630 ffff8800590075e0 ffffffffb363c3e0 [ 4237.580861] Call Trace: [ 4237.610336] [] dump_stack+0xd7/0x132 [ 4237.653041] [] ? arch_local_irq_restore+0x1b/0x1b [ 4237.696845] [] ubsan_epilogue+0x12/0x53 [ 4237.737418] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4237.784644] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4237.836996] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4237.889066] [] ? __local_bh_enable_ip+0x40/0xb3 [ 4237.925717] [] dev_hard_header.constprop.22+0x40/0x110 [ 4237.976132] [] neigh_resolve_output+0x4bd/0x53b [ 4238.013311] [] ip_finish_output2+0xb2a/0xbf2 [ 4238.066006] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4238.110641] [] ? pskb_trim_unique+0x1be/0x1be [ 4238.154713] [] ? ipv4_mtu+0x1b1/0x1bb [ 4238.191432] [] ip_finish_output+0x252/0x269 [ 4238.226743] [] ? ip_finish_output+0x252/0x269 [ 4238.266796] [] ip_output+0x199/0x1e0 [ 4238.300455] [] dst_output+0x90/0x9b [ 4238.336269] [] ip_local_out+0x43/0x56 [ 4238.371499] [] ? ip_send_skb+0x39/0xaf [ 4238.400552] [] ip_send_skb+0x48/0xaf [ 4238.431469] [] udp_send_skb+0x8de/0xada [ 4238.465260] [] udp_sendmsg+0xf69/0x1547 [ 4238.502876] [] ? csum_block_add+0x39/0x39 [ 4238.532713] [] ? udp_setsockopt+0x8b/0x8b [ 4238.565487] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4238.605263] [] ? aa_sk_perm+0x37f/0x391 [ 4238.644662] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4238.674993] [] inet_sendmsg+0xd8/0x191 [ 4238.709643] [] ? sock_sendmsg+0xdb/0x116 [ 4238.749982] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4238.781683] [] sock_sendmsg+0xe9/0x116 [ 4238.815060] [] ? SYSC_sendto+0x208/0x2df [ 4238.848169] [] SYSC_sendto+0x235/0x2df [ 4238.886908] [] ? SYSC_connect+0x267/0x267 [ 4238.927879] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4238.964147] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4239.010063] [] ? pick_next_task_stop+0x11c/0x12f [ 4239.054837] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4239.092977] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4239.140717] [] ? SyS_poll+0x262/0x2a1 [ 4239.173276] [] ? do_restart_poll+0x1de/0x1de [ 4239.215283] [] SyS_sendto+0x47/0x49 [ 4239.249220] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4239.291108] ================================================================================ [ 4239.348272] ================================================================================ [ 4239.408524] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:2744:30 [ 4239.453482] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4239.507454] which requires 64 byte alignment [ 4239.534943] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4239.583353] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4239.646857] 00000000ffffffff 000000006e3fad48 ffff880059007608 ffffffffb26ec5cc [ 4239.696397] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4239.743622] ffffffff00000010 ffff880059007630 ffff8800590075e0 ffffffffb363c3e0 [ 4239.799794] Call Trace: [ 4239.827417] [] dump_stack+0xd7/0x132 [ 4239.874562] [] ? arch_local_irq_restore+0x1b/0x1b [ 4239.921605] [] ubsan_epilogue+0x12/0x53 [ 4239.965651] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4240.020805] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4240.069675] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4240.124090] [] ? __local_bh_enable_ip+0x40/0xb3 [ 4240.163020] [] dev_hard_header.constprop.22+0x7d/0x110 [ 4240.203694] [] neigh_resolve_output+0x4bd/0x53b [ 4240.247098] [] ip_finish_output2+0xb2a/0xbf2 [ 4240.284135] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4240.330097] [] ? pskb_trim_unique+0x1be/0x1be [ 4240.361231] [] ? ipv4_mtu+0x1b1/0x1bb [ 4240.398335] [] ip_finish_output+0x252/0x269 [ 4240.431207] [] ? ip_finish_output+0x252/0x269 [ 4240.473316] [] ip_output+0x199/0x1e0 [ 4240.504455] [] dst_output+0x90/0x9b [ 4240.532658] [] ip_local_out+0x43/0x56 [ 4240.564900] [] ? ip_send_skb+0x39/0xaf [ 4240.596029] [] ip_send_skb+0x48/0xaf [ 4240.631140] [] udp_send_skb+0x8de/0xada [ 4240.657542] [] udp_sendmsg+0xf69/0x1547 [ 4240.697231] [] ? csum_block_add+0x39/0x39 [ 4240.731684] [] ? udp_setsockopt+0x8b/0x8b [ 4240.761253] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4240.799084] [] ? aa_sk_perm+0x37f/0x391 [ 4240.837060] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4240.877326] [] inet_sendmsg+0xd8/0x191 [ 4240.915539] [] ? sock_sendmsg+0xdb/0x116 [ 4240.951599] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4240.982775] [] sock_sendmsg+0xe9/0x116 [ 4241.022211] [] ? SYSC_sendto+0x208/0x2df [ 4241.056791] [] SYSC_sendto+0x235/0x2df [ 4241.085342] [] ? SYSC_connect+0x267/0x267 [ 4241.125169] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4241.165059] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4241.203558] [] ? pick_next_task_stop+0x11c/0x12f [ 4241.239496] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4241.276337] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4241.320535] [] ? SyS_poll+0x262/0x2a1 [ 4241.356338] [] ? do_restart_poll+0x1de/0x1de [ 4241.385058] [] SyS_sendto+0x47/0x49 [ 4241.426235] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4241.463719] ================================================================================ [ 4241.520805] ================================================================================ [ 4241.572327] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:2747:12 [ 4241.615114] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4241.674166] which requires 64 byte alignment [ 4241.703112] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4241.750248] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4241.807502] 00000000ffffffff 000000006e3fad48 ffff880059007608 ffffffffb26ec5cc [ 4241.856832] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4241.907059] ffffffff00000010 ffff880059007630 ffff8800590075e0 ffffffffb363c3e0 [ 4241.953171] Call Trace: [ 4241.969702] [] dump_stack+0xd7/0x132 [ 4242.006922] [] ? arch_local_irq_restore+0x1b/0x1b [ 4242.045471] [] ubsan_epilogue+0x12/0x53 [ 4242.082880] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4242.121228] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4242.162594] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4242.208277] [] ? __local_bh_enable_ip+0x40/0xb3 [ 4242.245323] [] ? eth_mac_addr+0x4a/0x4a [ 4242.280776] [] dev_hard_header.constprop.22+0xc6/0x110 [ 4242.322819] [] neigh_resolve_output+0x4bd/0x53b [ 4242.364019] [] ip_finish_output2+0xb2a/0xbf2 [ 4242.400894] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4242.448999] [] ? pskb_trim_unique+0x1be/0x1be [ 4242.487888] [] ? ipv4_mtu+0x1b1/0x1bb [ 4242.514918] [] ip_finish_output+0x252/0x269 [ 4242.555485] [] ? ip_finish_output+0x252/0x269 [ 4242.591661] [] ip_output+0x199/0x1e0 [ 4242.620278] [] dst_output+0x90/0x9b [ 4242.649155] [] ip_local_out+0x43/0x56 [ 4242.685750] [] ? ip_send_skb+0x39/0xaf [ 4242.713509] [] ip_send_skb+0x48/0xaf [ 4242.743936] [] udp_send_skb+0x8de/0xada [ 4242.776672] [] udp_sendmsg+0xf69/0x1547 [ 4242.814522] [] ? csum_block_add+0x39/0x39 [ 4242.856030] [] ? udp_setsockopt+0x8b/0x8b [ 4242.890787] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4242.932782] [] ? aa_sk_perm+0x37f/0x391 [ 4242.969775] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4243.005305] [] inet_sendmsg+0xd8/0x191 [ 4243.038035] [] ? sock_sendmsg+0xdb/0x116 [ 4243.073731] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4243.117259] [] sock_sendmsg+0xe9/0x116 [ 4243.154969] [] ? SYSC_sendto+0x208/0x2df [ 4243.186727] [] SYSC_sendto+0x235/0x2df [ 4243.213220] [] ? SYSC_connect+0x267/0x267 [ 4243.252622] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4243.291667] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4243.327573] [] ? pick_next_task_stop+0x11c/0x12f [ 4243.368619] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4243.407676] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4243.450062] [] ? SyS_poll+0x262/0x2a1 [ 4243.483579] [] ? do_restart_poll+0x1de/0x1de [ 4243.514843] [] SyS_sendto+0x47/0x49 [ 4243.546482] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4243.584934] ================================================================================ [ 4243.629384] ================================================================================ [ 4243.683074] UBSAN: Undefined behaviour in net/ethernet/eth.c:97:9 [ 4243.722900] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4243.779168] which requires 64 byte alignment [ 4243.800161] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4243.843744] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4243.897553] 00000000ffffffff 000000006e3fad48 ffff8800590075c0 ffffffffb26ec5cc [ 4243.940496] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4243.984150] ffff880000000010 ffff8800590075e8 ffff880059007598 ffffffffb363c3e0 [ 4244.032320] Call Trace: [ 4244.048701] [] dump_stack+0xd7/0x132 [ 4244.077045] [] ? arch_local_irq_restore+0x1b/0x1b [ 4244.124321] [] ubsan_epilogue+0x12/0x53 [ 4244.152968] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4244.194700] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4244.237645] [] eth_header+0xd0/0x17e [ 4244.275808] [] ? eth_mac_addr+0x4a/0x4a [ 4244.314312] [] dev_hard_header.constprop.22+0xf8/0x110 [ 4244.349118] [] neigh_resolve_output+0x4bd/0x53b [ 4244.385271] [] ip_finish_output2+0xb2a/0xbf2 [ 4244.424743] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4244.473772] [] ? pskb_trim_unique+0x1be/0x1be [ 4244.504677] [] ? ipv4_mtu+0x1b1/0x1bb [ 4244.536773] [] ip_finish_output+0x252/0x269 [ 4244.576675] [] ? ip_finish_output+0x252/0x269 [ 4244.616923] [] ip_output+0x199/0x1e0 [ 4244.650635] [] dst_output+0x90/0x9b [ 4244.673234] [] ip_local_out+0x43/0x56 [ 4244.710620] [] ? ip_send_skb+0x39/0xaf [ 4244.750356] [] ip_send_skb+0x48/0xaf [ 4244.776542] [] udp_send_skb+0x8de/0xada [ 4244.806864] [] udp_sendmsg+0xf69/0x1547 [ 4244.841503] [] ? csum_block_add+0x39/0x39 [ 4244.873233] [] ? udp_setsockopt+0x8b/0x8b [ 4244.911944] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4244.947937] [] ? aa_sk_perm+0x37f/0x391 [ 4244.981216] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4245.012986] [] inet_sendmsg+0xd8/0x191 [ 4245.053502] [] ? sock_sendmsg+0xdb/0x116 [ 4245.088442] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4245.127198] [] sock_sendmsg+0xe9/0x116 [ 4245.164912] [] ? SYSC_sendto+0x208/0x2df [ 4245.201525] [] SYSC_sendto+0x235/0x2df [ 4245.235944] [] ? SYSC_connect+0x267/0x267 [ 4245.271525] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4245.325594] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4245.364944] [] ? pick_next_task_stop+0x11c/0x12f [ 4245.401170] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4245.437486] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4245.473597] [] ? SyS_poll+0x262/0x2a1 [ 4245.505618] [] ? do_restart_poll+0x1de/0x1de [ 4245.543454] [] SyS_sendto+0x47/0x49 [ 4245.578131] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4245.613176] ================================================================================ [ 4245.672426] ================================================================================ [ 4245.724479] UBSAN: Undefined behaviour in fs/ext4/namei.c:3595:6 [ 4245.770578] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4245.822803] which requires 64 byte alignment [ 4245.843322] CPU: 2 PID: 1604 Comm: mv Tainted: G L 4.8.11 #1 [ 4245.886066] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4246.077782] 00000000ffffffff 00000000c610b5f4 ffff8800a199f910 ffffffffb26ec5cc [ 4246.181675] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4246.308334] ffff880000000010 ffff8800a199f938 ffff8800a199f8e8 ffffffffb363c3e0 [ 4246.378002] Call Trace: [ 4246.388895] [] dump_stack+0xd7/0x132 [ 4246.429311] [] ? arch_local_irq_restore+0x1b/0x1b [ 4246.466316] [] ubsan_epilogue+0x12/0x53 [ 4246.499064] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4246.540698] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4246.581463] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 4246.624331] [] ext4_rename+0x88d/0x11b8 [ 4246.664257] [] ? ext4_tmpfile+0x3c2/0x3c2 [ 4246.699367] [] ? ___slab_alloc+0xb72/0xbd2 [ 4246.730913] [] ? ___slab_alloc+0xb72/0xbd2 [ 4246.761338] [] ? vfs_rename+0x38c/0x8f6 [ 4246.799668] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4246.840765] [] ? kasan_slab_alloc+0x12/0x14 [ 4246.877046] [] ext4_rename2+0x72/0x89 [ 4246.908265] [] vfs_rename+0x68e/0x8f6 [ 4246.937033] [] SYSC_renameat2+0x66a/0x7a3 [ 4246.998196] [] ? SYSC_symlinkat+0x218/0x218 [ 4247.046822] [] SyS_rename+0x2c/0x31 [ 4247.075316] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4247.117150] ================================================================================ [ 4247.160994] ================================================================================ [ 4247.213048] UBSAN: Undefined behaviour in fs/ext4/namei.c:3595:29 [ 4247.253140] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4247.306502] which requires 64 byte alignment [ 4247.328273] CPU: 2 PID: 1604 Comm: mv Tainted: G L 4.8.11 #1 [ 4247.371913] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4247.432301] 00000000ffffffff 00000000c610b5f4 ffff8800a199f910 ffffffffb26ec5cc [ 4247.479372] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4247.524181] ffff880000000010 ffff8800a199f938 ffff8800a199f8e8 ffffffffb363c3e0 [ 4247.574591] Call Trace: [ 4247.588437] [] dump_stack+0xd7/0x132 [ 4247.623356] [] ? arch_local_irq_restore+0x1b/0x1b [ 4247.664571] [] ubsan_epilogue+0x12/0x53 [ 4247.706231] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4247.747524] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4247.796550] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 4247.833225] [] ext4_rename+0x92f/0x11b8 [ 4247.872866] [] ? ext4_tmpfile+0x3c2/0x3c2 [ 4247.905238] [] ? ___slab_alloc+0xb72/0xbd2 [ 4247.941105] [] ? ___slab_alloc+0xb72/0xbd2 [ 4247.980651] [] ? vfs_rename+0x38c/0x8f6 [ 4248.015520] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4248.073172] [] ? kasan_slab_alloc+0x12/0x14 [ 4248.107793] [] ext4_rename2+0x72/0x89 [ 4248.146954] [] vfs_rename+0x68e/0x8f6 [ 4248.180753] [] SYSC_renameat2+0x66a/0x7a3 [ 4248.221014] [] ? SYSC_symlinkat+0x218/0x218 [ 4248.249558] [] SyS_rename+0x2c/0x31 [ 4248.284516] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4248.323455] ================================================================================ [ 4248.376501] ================================================================================ [ 4248.429023] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4248.474250] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4248.538235] which requires 64 byte alignment [ 4248.559897] CPU: 2 PID: 1604 Comm: mv Tainted: G L 4.8.11 #1 [ 4248.596691] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4248.653406] 00000000ffffffff 00000000c610b5f4 ffff8800a199f8c0 ffffffffb26ec5cc [ 4248.701633] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4248.752168] ffff880000000010 ffff8800a199f8e8 ffff8800a199f898 ffffffffb363c3e0 [ 4248.796817] Call Trace: [ 4248.811989] [] dump_stack+0xd7/0x132 [ 4248.848380] [] ? arch_local_irq_restore+0x1b/0x1b [ 4248.880688] [] ubsan_epilogue+0x12/0x53 [ 4248.917112] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4248.966224] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4249.008016] [] ext4_setent+0x117/0x405 [ 4249.048331] [] ext4_rename+0xc4a/0x11b8 [ 4249.087455] [] ? ext4_tmpfile+0x3c2/0x3c2 [ 4249.124850] [] ? ___slab_alloc+0xb72/0xbd2 [ 4249.159693] [] ? ___slab_alloc+0xb72/0xbd2 [ 4249.202946] [] ? vfs_rename+0x38c/0x8f6 [ 4249.237473] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4249.283201] [] ? kasan_slab_alloc+0x12/0x14 [ 4249.322631] [] ext4_rename2+0x72/0x89 [ 4249.348108] [] vfs_rename+0x68e/0x8f6 [ 4249.384108] [] SYSC_renameat2+0x66a/0x7a3 [ 4249.420418] [] ? SYSC_symlinkat+0x218/0x218 [ 4249.455709] [] SyS_rename+0x2c/0x31 [ 4249.485330] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4249.525424] ================================================================================ [ 4249.581664] ================================================================================ [ 4249.627355] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1776:1 [ 4249.660535] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4249.715546] which requires 64 byte alignment [ 4249.744208] CPU: 2 PID: 1604 Comm: mv Tainted: G L 4.8.11 #1 [ 4249.791200] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4249.845264] 00000000ffffffff 00000000c610b5f4 ffff8800a199f8c0 ffffffffb26ec5cc [ 4249.902768] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4249.952558] ffff880000000010 ffff8800a199f8e8 ffff8800a199f898 ffffffffb363c3e0 [ 4249.999416] Call Trace: [ 4250.015532] [] dump_stack+0xd7/0x132 [ 4250.051755] [] ? arch_local_irq_restore+0x1b/0x1b [ 4250.094169] [] ubsan_epilogue+0x12/0x53 [ 4250.123597] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4250.163208] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4250.210533] [] ext4_setent+0x144/0x405 [ 4250.250147] [] ext4_rename+0xc4a/0x11b8 [ 4250.289627] [] ? ext4_tmpfile+0x3c2/0x3c2 [ 4250.324463] [] ? ___slab_alloc+0xb72/0xbd2 [ 4250.359515] [] ? ___slab_alloc+0xb72/0xbd2 [ 4250.397698] [] ? vfs_rename+0x38c/0x8f6 [ 4250.427782] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4250.474826] [] ? kasan_slab_alloc+0x12/0x14 [ 4250.501587] [] ext4_rename2+0x72/0x89 [ 4250.534814] [] vfs_rename+0x68e/0x8f6 [ 4250.564834] [] SYSC_renameat2+0x66a/0x7a3 [ 4250.604949] [] ? SYSC_symlinkat+0x218/0x218 [ 4250.640804] [] SyS_rename+0x2c/0x31 [ 4250.674210] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4250.707091] ================================================================================ [ 4250.758029] ================================================================================ [ 4250.811464] UBSAN: Undefined behaviour in net/core/dev.c:3354:9 [ 4250.830808] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4250.855898] which requires 64 byte alignment [ 4250.866117] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4250.890394] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4250.920451] 00000000ffffffff 000000006e3fad48 ffff880059007520 ffffffffb26ec5cc [ 4250.941638] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4250.964346] ffff880000000010 ffff880059007548 ffff8800590074f8 ffffffffb363c3e0 [ 4250.986616] Call Trace: [ 4250.996641] [] dump_stack+0xd7/0x132 [ 4251.009599] [] ? arch_local_irq_restore+0x1b/0x1b [ 4251.028082] [] ubsan_epilogue+0x12/0x53 [ 4251.047442] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4251.068077] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4251.089103] [] ? arch_local_irq_restore+0x6/0xd [ 4251.107710] [] __dev_queue_xmit+0x846/0x125d [ 4251.127192] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4251.148592] [] ? netdev_pick_tx+0x29c/0x29c [ 4251.167779] [] ? eth_header+0x16e/0x17e [ 4251.184935] [] ? eth_mac_addr+0x4a/0x4a [ 4251.202346] [] dev_queue_xmit+0x1e/0x20 [ 4251.219099] [] neigh_resolve_output+0x50c/0x53b [ 4251.238591] [] ip_finish_output2+0xb2a/0xbf2 [ 4251.255840] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4251.276681] [] ? pskb_trim_unique+0x1be/0x1be [ 4251.294599] [] ? ipv4_mtu+0x1b1/0x1bb [ 4251.308980] [] ip_finish_output+0x252/0x269 [ 4251.327392] [] ? ip_finish_output+0x252/0x269 [ 4251.346509] [] ip_output+0x199/0x1e0 [ 4251.360267] [] dst_output+0x90/0x9b [ 4251.375297] [] ip_local_out+0x43/0x56 [ 4251.390672] [] ? ip_send_skb+0x39/0xaf [ 4251.405666] [] ip_send_skb+0x48/0xaf [ 4251.422512] [] udp_send_skb+0x8de/0xada [ 4251.438260] [] udp_sendmsg+0xf69/0x1547 [ 4251.457743] [] ? csum_block_add+0x39/0x39 [ 4251.473621] [] ? udp_setsockopt+0x8b/0x8b [ 4251.490370] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4251.511451] [] ? aa_sk_perm+0x37f/0x391 [ 4251.527006] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4251.545045] [] inet_sendmsg+0xd8/0x191 [ 4251.562987] [] ? sock_sendmsg+0xdb/0x116 [ 4251.579307] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4251.598145] [] sock_sendmsg+0xe9/0x116 [ 4251.616186] [] ? SYSC_sendto+0x208/0x2df [ 4251.630075] [] SYSC_sendto+0x235/0x2df [ 4251.646965] [] ? SYSC_connect+0x267/0x267 [ 4251.663814] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4251.682717] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4251.700047] [] ? pick_next_task_stop+0x11c/0x12f [ 4251.719005] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4251.735069] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4251.754606] [] ? SyS_poll+0x262/0x2a1 [ 4251.768897] [] ? do_restart_poll+0x1de/0x1de [ 4251.787656] [] SyS_sendto+0x47/0x49 [ 4251.804714] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4251.823574] ================================================================================ [ 4251.851073] ================================================================================ [ 4251.878248] UBSAN: Undefined behaviour in net/core/dev.c:3279:9 [ 4251.895436] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4251.922388] which requires 64 byte alignment [ 4251.936418] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4251.960413] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4251.989509] 00000000ffffffff 000000006e3fad48 ffff8800590074e0 ffffffffb26ec5cc [ 4252.010576] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4252.029404] ffff880000000010 ffff880059007508 ffff8800590074b8 ffffffffb363c3e0 [ 4252.056015] Call Trace: [ 4252.063401] [] dump_stack+0xd7/0x132 [ 4252.081545] [] ? arch_local_irq_restore+0x1b/0x1b [ 4252.101649] [] ubsan_epilogue+0x12/0x53 [ 4252.116812] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4252.137358] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4252.158764] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4252.179504] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4252.202829] [] netdev_pick_tx+0xbf/0x29c [ 4252.218762] [] ? __dev_queue_xmit+0x8a2/0x125d [ 4252.233352] [] __dev_queue_xmit+0x92e/0x125d [ 4252.254587] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4252.276616] [] ? netdev_pick_tx+0x29c/0x29c [ 4252.295873] [] ? eth_header+0x16e/0x17e [ 4252.312058] [] ? eth_mac_addr+0x4a/0x4a [ 4252.327836] [] dev_queue_xmit+0x1e/0x20 [ 4252.343425] [] neigh_resolve_output+0x50c/0x53b [ 4252.362506] [] ip_finish_output2+0xb2a/0xbf2 [ 4252.380503] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4252.403197] [] ? pskb_trim_unique+0x1be/0x1be [ 4252.420698] [] ? ipv4_mtu+0x1b1/0x1bb [ 4252.436240] [] ip_finish_output+0x252/0x269 [ 4252.450179] [] ? ip_finish_output+0x252/0x269 [ 4252.469390] [] ip_output+0x199/0x1e0 [ 4252.481645] [] dst_output+0x90/0x9b [ 4252.495995] [] ip_local_out+0x43/0x56 [ 4252.509044] [] ? ip_send_skb+0x39/0xaf [ 4252.524681] [] ip_send_skb+0x48/0xaf [ 4252.541557] [] udp_send_skb+0x8de/0xada [ 4252.558187] [] udp_sendmsg+0xf69/0x1547 [ 4252.574094] [] ? csum_block_add+0x39/0x39 [ 4252.591623] [] ? udp_setsockopt+0x8b/0x8b [ 4252.606873] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4252.626411] [] ? aa_sk_perm+0x37f/0x391 [ 4252.644060] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4252.661446] [] inet_sendmsg+0xd8/0x191 [ 4252.677486] [] ? sock_sendmsg+0xdb/0x116 [ 4252.701156] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4252.719951] [] sock_sendmsg+0xe9/0x116 [ 4252.743849] [] ? SYSC_sendto+0x208/0x2df [ 4252.761470] [] SYSC_sendto+0x235/0x2df [ 4252.779754] [] ? SYSC_connect+0x267/0x267 [ 4252.796011] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4252.810708] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4252.827995] [] ? pick_next_task_stop+0x11c/0x12f [ 4252.847463] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4252.865586] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4252.884250] [] ? SyS_poll+0x262/0x2a1 [ 4252.901745] [] ? do_restart_poll+0x1de/0x1de [ 4252.919223] [] SyS_sendto+0x47/0x49 [ 4252.934987] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4252.953054] ================================================================================ [ 4252.977516] ================================================================================ [ 4253.003783] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:1949:13 [ 4253.023332] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 4253.052902] which requires 64 byte alignment [ 4253.064686] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4253.085613] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4253.112332] 00000000ffffffff 000000006e3fad48 ffff8800590074e0 ffffffffb26ec5cc [ 4253.135481] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4253.158551] ffff880000000010 ffff880059007508 ffff8800590074b8 ffffffffb363c3e0 [ 4253.182452] Call Trace: [ 4253.188718] [] dump_stack+0xd7/0x132 [ 4253.205472] [] ? arch_local_irq_restore+0x1b/0x1b [ 4253.225067] [] ubsan_epilogue+0x12/0x53 [ 4253.241105] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4253.264262] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4253.286956] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4253.308780] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4253.327206] [] netdev_pick_tx+0x273/0x29c [ 4253.343873] [] __dev_queue_xmit+0x92e/0x125d [ 4253.363562] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4253.386805] [] ? netdev_pick_tx+0x29c/0x29c [ 4253.403366] [] ? eth_header+0x16e/0x17e [ 4253.420214] [] ? eth_mac_addr+0x4a/0x4a [ 4253.439345] [] dev_queue_xmit+0x1e/0x20 [ 4253.455051] [] neigh_resolve_output+0x50c/0x53b [ 4253.472474] [] ip_finish_output2+0xb2a/0xbf2 [ 4253.496294] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4253.516359] [] ? pskb_trim_unique+0x1be/0x1be [ 4253.534420] [] ? ipv4_mtu+0x1b1/0x1bb [ 4253.551421] [] ip_finish_output+0x252/0x269 [ 4253.575360] [] ? ip_finish_output+0x252/0x269 [ 4253.594825] [] ip_output+0x199/0x1e0 [ 4253.608453] [] dst_output+0x90/0x9b [ 4253.625181] [] ip_local_out+0x43/0x56 [ 4253.640951] [] ? ip_send_skb+0x39/0xaf [ 4253.656208] [] ip_send_skb+0x48/0xaf [ 4253.672335] [] udp_send_skb+0x8de/0xada [ 4253.688499] [] udp_sendmsg+0xf69/0x1547 [ 4253.707895] [] ? csum_block_add+0x39/0x39 [ 4253.725314] [] ? udp_setsockopt+0x8b/0x8b [ 4253.742385] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4253.765780] [] ? aa_sk_perm+0x37f/0x391 [ 4253.780349] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4253.802423] [] inet_sendmsg+0xd8/0x191 [ 4253.819451] [] ? sock_sendmsg+0xdb/0x116 [ 4253.832596] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4253.849121] [] sock_sendmsg+0xe9/0x116 [ 4253.865572] [] ? SYSC_sendto+0x208/0x2df [ 4253.882141] [] SYSC_sendto+0x235/0x2df [ 4253.897405] [] ? SYSC_connect+0x267/0x267 [ 4253.916407] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4253.932252] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4253.952294] [] ? pick_next_task_stop+0x11c/0x12f [ 4253.972043] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4253.988258] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4254.007753] [] ? SyS_poll+0x262/0x2a1 [ 4254.025075] [] ? do_restart_poll+0x1de/0x1de [ 4254.043805] [] SyS_sendto+0x47/0x49 [ 4254.061532] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4254.078483] ================================================================================ [ 4254.102831] ================================================================================ [ 4254.129035] UBSAN: Undefined behaviour in net/core/dev.c:3390:9 [ 4254.146745] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4254.173137] which requires 64 byte alignment [ 4254.183597] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4254.206515] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4254.232752] 00000000ffffffff 000000006e3fad48 ffff880059007520 ffffffffb26ec5cc [ 4254.259562] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4254.282914] 0000000000000010 ffff880059007548 ffff8800590074f8 ffffffffb363c3e0 [ 4254.306434] Call Trace: [ 4254.315755] [] dump_stack+0xd7/0x132 [ 4254.329322] [] ? arch_local_irq_restore+0x1b/0x1b [ 4254.349764] [] ubsan_epilogue+0x12/0x53 [ 4254.369659] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4254.399441] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4254.444006] [] ? netdev_pick_tx+0x27f/0x29c [ 4254.469665] [] __dev_queue_xmit+0xe77/0x125d [ 4254.548017] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4254.575123] [] ? netdev_pick_tx+0x29c/0x29c [ 4254.596118] [] ? eth_header+0x16e/0x17e [ 4254.618886] [] ? eth_mac_addr+0x4a/0x4a [ 4254.640822] [] dev_queue_xmit+0x1e/0x20 [ 4254.659922] [] neigh_resolve_output+0x50c/0x53b [ 4254.681092] [] ip_finish_output2+0xb2a/0xbf2 [ 4254.709075] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4254.746574] [] ? pskb_trim_unique+0x1be/0x1be [ 4254.773114] [] ? ipv4_mtu+0x1b1/0x1bb [ 4254.809339] [] ip_finish_output+0x252/0x269 [ 4254.827171] [] ? ip_finish_output+0x252/0x269 [ 4254.849510] [] ip_output+0x199/0x1e0 [ 4254.872614] [] dst_output+0x90/0x9b [ 4254.889159] [] ip_local_out+0x43/0x56 [ 4254.918241] [] ? ip_send_skb+0x39/0xaf [ 4254.939017] [] ip_send_skb+0x48/0xaf [ 4254.962265] [] udp_send_skb+0x8de/0xada [ 4254.984548] [] udp_sendmsg+0xf69/0x1547 [ 4255.004193] [] ? csum_block_add+0x39/0x39 [ 4255.022620] [] ? udp_setsockopt+0x8b/0x8b [ 4255.037691] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4255.058294] [] ? aa_sk_perm+0x37f/0x391 [ 4255.076206] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4255.094867] [] inet_sendmsg+0xd8/0x191 [ 4255.109468] [] ? sock_sendmsg+0xdb/0x116 [ 4255.126968] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4255.147209] [] sock_sendmsg+0xe9/0x116 [ 4255.164472] [] ? SYSC_sendto+0x208/0x2df [ 4255.185672] [] SYSC_sendto+0x235/0x2df [ 4255.204544] [] ? SYSC_connect+0x267/0x267 [ 4255.227467] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4255.254878] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4255.278442] [] ? pick_next_task_stop+0x11c/0x12f [ 4255.298207] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4255.317104] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4255.335741] [] ? SyS_poll+0x262/0x2a1 [ 4255.360717] [] ? do_restart_poll+0x1de/0x1de [ 4255.381493] [] SyS_sendto+0x47/0x49 [ 4255.399268] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4255.417357] ================================================================================ [ 4255.441442] ================================================================================ [ 4255.470355] UBSAN: Undefined behaviour in net/core/dev.c:3393:10 [ 4255.485746] member access within misaligned address ffff88005bdaf8e0 for type 'struct netdev_queue' [ 4255.510771] which requires 64 byte alignment [ 4255.525255] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4255.551650] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4255.579342] 00000000ffffffff 000000006e3fad48 ffff880059007520 ffffffffb26ec5cc [ 4255.602338] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4255.625103] ffff880000000010 ffff880059007548 ffff8800590074f8 ffffffffb363c3e0 [ 4255.649582] Call Trace: [ 4255.658790] [] dump_stack+0xd7/0x132 [ 4255.677528] [] ? arch_local_irq_restore+0x1b/0x1b [ 4255.699878] [] ubsan_epilogue+0x12/0x53 [ 4255.715313] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4255.739296] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4255.758303] [] ? netdev_pick_tx+0x27f/0x29c [ 4255.779093] [] __dev_queue_xmit+0xeb8/0x125d [ 4255.794842] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4255.816571] [] ? netdev_pick_tx+0x29c/0x29c [ 4255.831251] [] ? eth_header+0x16e/0x17e [ 4255.847788] [] ? eth_mac_addr+0x4a/0x4a [ 4255.866429] [] dev_queue_xmit+0x1e/0x20 [ 4255.879782] [] neigh_resolve_output+0x50c/0x53b [ 4255.899681] [] ip_finish_output2+0xb2a/0xbf2 [ 4255.919587] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4255.940111] [] ? pskb_trim_unique+0x1be/0x1be [ 4255.958691] [] ? ipv4_mtu+0x1b1/0x1bb [ 4255.975984] [] ip_finish_output+0x252/0x269 [ 4255.993250] [] ? ip_finish_output+0x252/0x269 [ 4256.014193] [] ip_output+0x199/0x1e0 [ 4256.028261] [] dst_output+0x90/0x9b [ 4256.044952] [] ip_local_out+0x43/0x56 [ 4256.060403] [] ? ip_send_skb+0x39/0xaf [ 4256.074933] [] ip_send_skb+0x48/0xaf [ 4256.090082] [] udp_send_skb+0x8de/0xada [ 4256.106356] [] udp_sendmsg+0xf69/0x1547 [ 4256.124926] [] ? csum_block_add+0x39/0x39 [ 4256.142321] [] ? udp_setsockopt+0x8b/0x8b [ 4256.158257] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4256.178603] [] ? aa_sk_perm+0x37f/0x391 [ 4256.196185] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4256.214623] [] inet_sendmsg+0xd8/0x191 [ 4256.232158] [] ? sock_sendmsg+0xdb/0x116 [ 4256.248882] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4256.269546] [] sock_sendmsg+0xe9/0x116 [ 4256.289114] [] ? SYSC_sendto+0x208/0x2df [ 4256.304661] [] SYSC_sendto+0x235/0x2df [ 4256.319645] [] ? SYSC_connect+0x267/0x267 [ 4256.335075] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4256.354797] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4256.378217] [] ? pick_next_task_stop+0x11c/0x12f [ 4256.397103] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4256.420362] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4256.440631] [] ? SyS_poll+0x262/0x2a1 [ 4256.461090] [] ? do_restart_poll+0x1de/0x1de [ 4256.478874] [] SyS_sendto+0x47/0x49 [ 4256.496592] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4256.512568] ================================================================================ [ 4256.537353] ================================================================================ [ 4256.564094] UBSAN: Undefined behaviour in net/core/dev.c:2880:20 [ 4256.586565] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4256.614930] which requires 64 byte alignment [ 4256.625339] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4256.648405] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4256.677567] 00000000ffffffff 000000006e3fad48 ffff880059007428 ffffffffb26ec5cc [ 4256.699075] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4256.724046] 0000000000000010 ffff880059007450 ffff880059007400 ffffffffb363c3e0 [ 4256.747846] Call Trace: [ 4256.756748] [] dump_stack+0xd7/0x132 [ 4256.771763] [] ? arch_local_irq_restore+0x1b/0x1b [ 4256.790379] [] ubsan_epilogue+0x12/0x53 [ 4256.803874] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4256.825539] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4256.846437] [] netif_skb_features+0xb8/0x870 [ 4256.863176] [] ? __skb_gso_segment+0x33d/0x33d [ 4256.881600] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4256.902926] [] validate_xmit_skb+0x29/0x93b [ 4256.921220] [] ? netdev_pick_tx+0x27f/0x29c [ 4256.939512] [] __dev_queue_xmit+0xef9/0x125d [ 4256.957425] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4256.979291] [] ? netdev_pick_tx+0x29c/0x29c [ 4256.995765] [] ? eth_header+0x16e/0x17e [ 4257.009475] [] ? eth_mac_addr+0x4a/0x4a [ 4257.026677] [] dev_queue_xmit+0x1e/0x20 [ 4257.045305] [] neigh_resolve_output+0x50c/0x53b [ 4257.066182] [] ip_finish_output2+0xb2a/0xbf2 [ 4257.083643] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4257.107338] [] ? pskb_trim_unique+0x1be/0x1be [ 4257.126335] [] ? ipv4_mtu+0x1b1/0x1bb [ 4257.141589] [] ip_finish_output+0x252/0x269 [ 4257.158824] [] ? ip_finish_output+0x252/0x269 [ 4257.176271] [] ip_output+0x199/0x1e0 [ 4257.191559] [] dst_output+0x90/0x9b [ 4257.205359] [] ip_local_out+0x43/0x56 [ 4257.223358] [] ? ip_send_skb+0x39/0xaf [ 4257.240507] [] ip_send_skb+0x48/0xaf [ 4257.254481] [] udp_send_skb+0x8de/0xada [ 4257.272901] [] udp_sendmsg+0xf69/0x1547 [ 4257.287268] [] ? csum_block_add+0x39/0x39 [ 4257.303980] [] ? udp_setsockopt+0x8b/0x8b [ 4257.322842] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4257.340048] [] ? aa_sk_perm+0x37f/0x391 [ 4257.357574] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4257.375325] [] inet_sendmsg+0xd8/0x191 [ 4257.394336] [] ? sock_sendmsg+0xdb/0x116 [ 4257.410910] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4257.427506] [] sock_sendmsg+0xe9/0x116 [ 4257.443671] [] ? SYSC_sendto+0x208/0x2df [ 4257.463737] [] SYSC_sendto+0x235/0x2df [ 4257.480187] [] ? SYSC_connect+0x267/0x267 [ 4257.499069] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4257.518473] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4257.536251] [] ? pick_next_task_stop+0x11c/0x12f [ 4257.554137] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4257.577047] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4257.594901] [] ? SyS_poll+0x262/0x2a1 [ 4257.609062] [] ? do_restart_poll+0x1de/0x1de [ 4257.627194] [] SyS_sendto+0x47/0x49 [ 4257.642374] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4257.660335] ================================================================================ [ 4257.685410] ================================================================================ [ 4257.711005] UBSAN: Undefined behaviour in net/core/dev.c:2898:9 [ 4257.727556] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4257.753482] which requires 64 byte alignment [ 4257.765289] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4257.788993] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4257.817177] 00000000ffffffff 000000006e3fad48 ffff880059007428 ffffffffb26ec5cc [ 4257.839081] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4257.860440] ffffffff00000010 ffff880059007450 ffff880059007400 ffffffffb363c3e0 [ 4257.882360] Call Trace: [ 4257.890054] [] dump_stack+0xd7/0x132 [ 4257.905706] [] ? arch_local_irq_restore+0x1b/0x1b [ 4257.924679] [] ubsan_epilogue+0x12/0x53 [ 4257.942944] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4257.963930] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4257.982655] [] netif_skb_features+0x575/0x870 [ 4258.001308] [] ? __skb_gso_segment+0x33d/0x33d [ 4258.019278] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4258.042124] [] validate_xmit_skb+0x29/0x93b [ 4258.071058] [] ? netdev_pick_tx+0x27f/0x29c [ 4258.096789] [] __dev_queue_xmit+0xef9/0x125d [ 4258.114566] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4258.138564] [] ? netdev_pick_tx+0x29c/0x29c [ 4258.157729] [] ? eth_header+0x16e/0x17e [ 4258.176166] [] ? eth_mac_addr+0x4a/0x4a [ 4258.193346] [] dev_queue_xmit+0x1e/0x20 [ 4258.210583] [] neigh_resolve_output+0x50c/0x53b [ 4258.227474] [] ip_finish_output2+0xb2a/0xbf2 [ 4258.247292] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4258.270486] [] ? pskb_trim_unique+0x1be/0x1be [ 4258.288790] [] ? ipv4_mtu+0x1b1/0x1bb [ 4258.308173] [] ip_finish_output+0x252/0x269 [ 4258.326268] [] ? ip_finish_output+0x252/0x269 [ 4258.343041] [] ip_output+0x199/0x1e0 [ 4258.360037] [] dst_output+0x90/0x9b [ 4258.374816] [] ip_local_out+0x43/0x56 [ 4258.387471] [] ? ip_send_skb+0x39/0xaf [ 4258.402898] [] ip_send_skb+0x48/0xaf [ 4258.417090] [] udp_send_skb+0x8de/0xada [ 4258.430507] [] udp_sendmsg+0xf69/0x1547 [ 4258.447400] [] ? csum_block_add+0x39/0x39 [ 4258.462476] [] ? udp_setsockopt+0x8b/0x8b [ 4258.482933] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4258.499295] [] ? aa_sk_perm+0x37f/0x391 [ 4258.518472] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4258.535588] [] inet_sendmsg+0xd8/0x191 [ 4258.549063] [] ? sock_sendmsg+0xdb/0x116 [ 4258.568641] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4258.585134] [] sock_sendmsg+0xe9/0x116 [ 4258.599041] [] ? SYSC_sendto+0x208/0x2df [ 4258.615031] [] SYSC_sendto+0x235/0x2df [ 4258.629000] [] ? SYSC_connect+0x267/0x267 [ 4258.645014] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4258.679677] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4258.697538] [] ? pick_next_task_stop+0x11c/0x12f [ 4258.715602] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4258.735470] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4258.757085] [] ? SyS_poll+0x262/0x2a1 [ 4258.775331] [] ? do_restart_poll+0x1de/0x1de [ 4258.792138] [] SyS_sendto+0x47/0x49 [ 4258.816985] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4258.834381] ================================================================================ [ 4258.871948] ================================================================================ [ 4258.898562] UBSAN: Undefined behaviour in net/core/dev.c:3402:4 [ 4258.916189] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4258.939558] which requires 64 byte alignment [ 4258.955565] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4258.978309] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4259.019515] 00000000ffffffff 000000006e3fad48 ffff880059007520 ffffffffb26ec5cc [ 4259.041502] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4259.060817] 0000000000000010 ffff880059007548 ffff8800590074f8 ffffffffb363c3e0 [ 4259.085010] Call Trace: [ 4259.092416] [] dump_stack+0xd7/0x132 [ 4259.106630] [] ? arch_local_irq_restore+0x1b/0x1b [ 4259.125470] [] ubsan_epilogue+0x12/0x53 [ 4259.140866] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4259.162861] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4259.189388] [] ? validate_xmit_skb+0x929/0x93b [ 4259.206987] [] ? netdev_pick_tx+0x27f/0x29c [ 4259.224364] [] __dev_queue_xmit+0xf24/0x125d [ 4259.239886] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4259.263791] [] ? netdev_pick_tx+0x29c/0x29c [ 4259.283332] [] ? eth_header+0x16e/0x17e [ 4259.296997] [] ? eth_mac_addr+0x4a/0x4a [ 4259.313741] [] dev_queue_xmit+0x1e/0x20 [ 4259.330174] [] neigh_resolve_output+0x50c/0x53b [ 4259.348797] [] ip_finish_output2+0xb2a/0xbf2 [ 4259.367906] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4259.389400] [] ? pskb_trim_unique+0x1be/0x1be [ 4259.413479] [] ? ipv4_mtu+0x1b1/0x1bb [ 4259.427813] [] ip_finish_output+0x252/0x269 [ 4259.446626] [] ? ip_finish_output+0x252/0x269 [ 4259.467740] [] ip_output+0x199/0x1e0 [ 4259.482970] [] dst_output+0x90/0x9b [ 4259.498114] [] ip_local_out+0x43/0x56 [ 4259.512086] [] ? ip_send_skb+0x39/0xaf [ 4259.528846] [] ip_send_skb+0x48/0xaf [ 4259.543821] [] udp_send_skb+0x8de/0xada [ 4259.558776] [] udp_sendmsg+0xf69/0x1547 [ 4259.579711] [] ? csum_block_add+0x39/0x39 [ 4259.601547] [] ? udp_setsockopt+0x8b/0x8b [ 4259.617498] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4259.641084] [] ? aa_sk_perm+0x37f/0x391 [ 4259.656890] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4259.680143] [] inet_sendmsg+0xd8/0x191 [ 4259.697320] [] ? sock_sendmsg+0xdb/0x116 [ 4259.713022] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4259.733279] [] sock_sendmsg+0xe9/0x116 [ 4259.749690] [] ? SYSC_sendto+0x208/0x2df [ 4259.765360] [] SYSC_sendto+0x235/0x2df [ 4259.780855] [] ? SYSC_connect+0x267/0x267 [ 4259.803110] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4259.824720] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4259.844866] [] ? pick_next_task_stop+0x11c/0x12f [ 4259.865167] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4259.884889] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4259.906534] [] ? SyS_poll+0x262/0x2a1 [ 4259.922277] [] ? do_restart_poll+0x1de/0x1de [ 4259.942222] [] SyS_sendto+0x47/0x49 [ 4259.956402] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4259.976206] ================================================================================ [ 4259.998281] ================================================================================ [ 4260.024765] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:2952:18 [ 4260.044051] member access within misaligned address ffff88005bdaf8e0 for type 'const struct netdev_queue' [ 4260.075254] which requires 64 byte alignment [ 4260.088144] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4260.108839] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4260.133547] 00000000ffffffff 000000006e3fad48 ffff880059007520 ffffffffb26ec5cc [ 4260.159614] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4260.186447] ffff880000000010 ffff880059007548 ffff8800590074f8 ffffffffb363c3e0 [ 4260.208842] Call Trace: [ 4260.217458] [] dump_stack+0xd7/0x132 [ 4260.234913] [] ? arch_local_irq_restore+0x1b/0x1b [ 4260.250638] [] ubsan_epilogue+0x12/0x53 [ 4260.271190] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4260.291439] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4260.316057] [] ? validate_xmit_skb+0x929/0x93b [ 4260.332992] [] ? netdev_pick_tx+0x27f/0x29c [ 4260.351142] [] __dev_queue_xmit+0xf9d/0x125d [ 4260.368586] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4260.391329] [] ? netdev_pick_tx+0x29c/0x29c [ 4260.405174] [] ? eth_header+0x16e/0x17e [ 4260.419199] [] ? eth_mac_addr+0x4a/0x4a [ 4260.438913] [] dev_queue_xmit+0x1e/0x20 [ 4260.455592] [] neigh_resolve_output+0x50c/0x53b [ 4260.477396] [] ip_finish_output2+0xb2a/0xbf2 [ 4260.494825] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4260.517092] [] ? pskb_trim_unique+0x1be/0x1be [ 4260.531799] [] ? ipv4_mtu+0x1b1/0x1bb [ 4260.549547] [] ip_finish_output+0x252/0x269 [ 4260.568729] [] ? ip_finish_output+0x252/0x269 [ 4260.588888] [] ip_output+0x199/0x1e0 [ 4260.603627] [] dst_output+0x90/0x9b [ 4260.619668] [] ip_local_out+0x43/0x56 [ 4260.634676] [] ? ip_send_skb+0x39/0xaf [ 4260.650437] [] ip_send_skb+0x48/0xaf [ 4260.670347] [] udp_send_skb+0x8de/0xada [ 4260.688599] [] udp_sendmsg+0xf69/0x1547 [ 4260.706855] [] ? csum_block_add+0x39/0x39 [ 4260.724103] [] ? udp_setsockopt+0x8b/0x8b [ 4260.740277] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4260.760336] [] ? aa_sk_perm+0x37f/0x391 [ 4260.775770] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4260.792255] [] inet_sendmsg+0xd8/0x191 [ 4260.809516] [] ? sock_sendmsg+0xdb/0x116 [ 4260.823428] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4260.846659] [] sock_sendmsg+0xe9/0x116 [ 4260.872003] [] ? SYSC_sendto+0x208/0x2df [ 4260.891587] [] SYSC_sendto+0x235/0x2df [ 4260.905704] [] ? SYSC_connect+0x267/0x267 [ 4260.924469] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4260.944424] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4260.961377] [] ? pick_next_task_stop+0x11c/0x12f [ 4260.979219] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4260.997592] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4261.028552] [] ? SyS_poll+0x262/0x2a1 [ 4261.045031] [] ? do_restart_poll+0x1de/0x1de [ 4261.062779] [] SyS_sendto+0x47/0x49 [ 4261.080918] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4261.103306] ================================================================================ [ 4261.133274] ================================================================================ [ 4261.167638] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:4023:31 [ 4261.189591] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4261.219845] which requires 64 byte alignment [ 4261.231262] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4261.251029] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4261.279989] 00000000ffffffff 000000006e3fad48 ffff8800590074c0 ffffffffb26ec5cc [ 4261.301629] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4261.323819] ffffffff00000010 ffff8800590074e8 ffff880059007498 ffffffffb363c3e0 [ 4261.350058] Call Trace: [ 4261.356865] [] dump_stack+0xd7/0x132 [ 4261.374750] [] ? arch_local_irq_restore+0x1b/0x1b [ 4261.391711] [] ubsan_epilogue+0x12/0x53 [ 4261.406842] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4261.442956] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4261.466799] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4261.487889] [] dev_hard_start_xmit+0x199/0x4f5 [ 4261.507043] [] ? validate_xmit_skb+0x88a/0x93b [ 4261.529521] [] __dev_queue_xmit+0xfd4/0x125d [ 4261.546876] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4261.566623] [] ? netdev_pick_tx+0x29c/0x29c [ 4261.584696] [] ? eth_header+0x16e/0x17e [ 4261.603328] [] ? eth_mac_addr+0x4a/0x4a [ 4261.620220] [] dev_queue_xmit+0x1e/0x20 [ 4261.637115] [] neigh_resolve_output+0x50c/0x53b [ 4261.652512] [] ip_finish_output2+0xb2a/0xbf2 [ 4261.672235] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4261.692014] [] ? pskb_trim_unique+0x1be/0x1be [ 4261.712409] [] ? ipv4_mtu+0x1b1/0x1bb [ 4261.726076] [] ip_finish_output+0x252/0x269 [ 4261.744289] [] ? ip_finish_output+0x252/0x269 [ 4261.761009] [] ip_output+0x199/0x1e0 [ 4261.775486] [] dst_output+0x90/0x9b [ 4261.793381] [] ip_local_out+0x43/0x56 [ 4261.807290] [] ? ip_send_skb+0x39/0xaf [ 4261.824058] [] ip_send_skb+0x48/0xaf [ 4261.852732] [] udp_send_skb+0x8de/0xada [ 4261.867968] [] udp_sendmsg+0xf69/0x1547 [ 4261.884754] [] ? csum_block_add+0x39/0x39 [ 4261.903506] [] ? udp_setsockopt+0x8b/0x8b [ 4261.918606] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4261.936722] [] ? aa_sk_perm+0x37f/0x391 [ 4261.951659] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4261.969446] [] inet_sendmsg+0xd8/0x191 [ 4261.992754] [] ? sock_sendmsg+0xdb/0x116 [ 4262.007995] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4262.040400] [] sock_sendmsg+0xe9/0x116 [ 4262.056067] [] ? SYSC_sendto+0x208/0x2df [ 4262.077522] [] SYSC_sendto+0x235/0x2df [ 4262.096807] [] ? SYSC_connect+0x267/0x267 [ 4262.115836] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4262.132702] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4262.154872] [] ? pick_next_task_stop+0x11c/0x12f [ 4262.183717] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4262.206281] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4262.229242] [] ? SyS_poll+0x262/0x2a1 [ 4262.244668] [] ? do_restart_poll+0x1de/0x1de [ 4262.262837] [] SyS_sendto+0x47/0x49 [ 4262.279957] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4262.299497] ================================================================================ [ 4262.322444] ================================================================================ [ 4262.346759] UBSAN: Undefined behaviour in ./include/linux/etherdevice.h:134:17 [ 4262.367931] load of misaligned address ffff88005b0478e2 for type 'const u64' [ 4262.389403] which requires 8 byte alignment [ 4262.400467] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4262.421521] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4262.450160] 00000000ffffffff 000000006e3fad48 ffff8800590073e8 ffffffffb26ec5cc [ 4262.474357] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4262.496799] ffffffff00000010 ffff880059007410 ffff8800590073c0 ffffffffb363c3e0 [ 4262.516083] Call Trace: [ 4262.523999] [] dump_stack+0xd7/0x132 [ 4262.544057] [] ? arch_local_irq_restore+0x1b/0x1b [ 4262.564972] [] ubsan_epilogue+0x12/0x53 [ 4262.583570] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4262.606446] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4262.630665] [] ? ubsan_epilogue+0x26/0x53 [ 4262.646350] [] ? sk_clone_lock+0xd97/0xd97 [ 4262.662981] [] eth_type_trans+0x27f/0x55e [ 4262.697787] [] ? eth_gro_receive+0x66e/0x66e [ 4262.714583] [] ? sk_clone_lock+0xd97/0xd97 [ 4262.731578] [] loopback_xmit+0x1ff/0x341 [ 4262.746420] [] dev_hard_start_xmit+0x20e/0x4f5 [ 4262.764068] [] ? validate_xmit_skb+0x88a/0x93b [ 4262.783162] [] __dev_queue_xmit+0xfd4/0x125d [ 4262.804260] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4262.842111] [] ? netdev_pick_tx+0x29c/0x29c [ 4262.859814] [] ? eth_header+0x16e/0x17e [ 4262.878286] [] ? eth_mac_addr+0x4a/0x4a [ 4262.898766] [] dev_queue_xmit+0x1e/0x20 [ 4262.915273] [] neigh_resolve_output+0x50c/0x53b [ 4262.935353] [] ip_finish_output2+0xb2a/0xbf2 [ 4262.952771] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4262.973623] [] ? pskb_trim_unique+0x1be/0x1be [ 4262.994533] [] ? ipv4_mtu+0x1b1/0x1bb [ 4263.011492] [] ip_finish_output+0x252/0x269 [ 4263.027339] [] ? ip_finish_output+0x252/0x269 [ 4263.045503] [] ip_output+0x199/0x1e0 [ 4263.064499] [] dst_output+0x90/0x9b [ 4263.077677] [] ip_local_out+0x43/0x56 [ 4263.095637] [] ? ip_send_skb+0x39/0xaf [ 4263.108491] [] ip_send_skb+0x48/0xaf [ 4263.126162] [] udp_send_skb+0x8de/0xada [ 4263.145414] [] udp_sendmsg+0xf69/0x1547 [ 4263.163701] [] ? csum_block_add+0x39/0x39 [ 4263.180512] [] ? udp_setsockopt+0x8b/0x8b [ 4263.196841] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4263.216424] [] ? aa_sk_perm+0x37f/0x391 [ 4263.232359] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4263.251991] [] inet_sendmsg+0xd8/0x191 [ 4263.269117] [] ? sock_sendmsg+0xdb/0x116 [ 4263.286079] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4263.316595] [] sock_sendmsg+0xe9/0x116 [ 4263.331948] [] ? SYSC_sendto+0x208/0x2df [ 4263.347259] [] SYSC_sendto+0x235/0x2df [ 4263.366810] [] ? SYSC_connect+0x267/0x267 [ 4263.384738] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4263.401578] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4263.420619] [] ? pick_next_task_stop+0x11c/0x12f [ 4263.442192] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4263.460873] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4263.481783] [] ? SyS_poll+0x262/0x2a1 [ 4263.497577] [] ? do_restart_poll+0x1de/0x1de [ 4263.516941] [] SyS_sendto+0x47/0x49 [ 4263.535502] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4263.552865] ================================================================================ [ 4263.579536] ================================================================================ [ 4263.603250] UBSAN: Undefined behaviour in net/ethernet/eth.c:173:11 [ 4263.634658] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4263.661450] which requires 64 byte alignment [ 4263.683418] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4263.707244] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4263.752570] 00000000ffffffff 000000006e3fad48 ffff8800590073e8 ffffffffb26ec5cc [ 4263.778411] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4263.801714] ffffffff00000010 ffff880059007410 ffff8800590073c0 ffffffffb363c3e0 [ 4263.824790] Call Trace: [ 4263.830532] [] dump_stack+0xd7/0x132 [ 4263.845722] [] ? arch_local_irq_restore+0x1b/0x1b [ 4263.861318] [] ubsan_epilogue+0x12/0x53 [ 4263.882935] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4263.902115] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4263.922147] [] ? ubsan_epilogue+0x26/0x53 [ 4263.938274] [] ? sk_clone_lock+0xd97/0xd97 [ 4263.956481] [] eth_type_trans+0x375/0x55e [ 4263.974464] [] ? eth_gro_receive+0x66e/0x66e [ 4263.993667] [] ? sk_clone_lock+0xd97/0xd97 [ 4264.010845] [] loopback_xmit+0x1ff/0x341 [ 4264.026495] [] dev_hard_start_xmit+0x20e/0x4f5 [ 4264.046679] [] ? validate_xmit_skb+0x88a/0x93b [ 4264.064387] [] __dev_queue_xmit+0xfd4/0x125d [ 4264.080068] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4264.101637] [] ? netdev_pick_tx+0x29c/0x29c [ 4264.119633] [] ? eth_header+0x16e/0x17e [ 4264.144197] [] ? eth_mac_addr+0x4a/0x4a [ 4264.159421] [] dev_queue_xmit+0x1e/0x20 [ 4264.175153] [] neigh_resolve_output+0x50c/0x53b [ 4264.192172] [] ip_finish_output2+0xb2a/0xbf2 [ 4264.227326] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4264.247924] [] ? pskb_trim_unique+0x1be/0x1be [ 4264.264914] [] ? ipv4_mtu+0x1b1/0x1bb [ 4264.278289] [] ip_finish_output+0x252/0x269 [ 4264.296053] [] ? ip_finish_output+0x252/0x269 [ 4264.312539] [] ip_output+0x199/0x1e0 [ 4264.326742] [] dst_output+0x90/0x9b [ 4264.344409] [] ip_local_out+0x43/0x56 [ 4264.363126] [] ? ip_send_skb+0x39/0xaf [ 4264.380144] [] ip_send_skb+0x48/0xaf [ 4264.393175] [] udp_send_skb+0x8de/0xada [ 4264.410354] [] udp_sendmsg+0xf69/0x1547 [ 4264.426710] [] ? csum_block_add+0x39/0x39 [ 4264.444510] [] ? udp_setsockopt+0x8b/0x8b [ 4264.462627] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4264.481019] [] ? aa_sk_perm+0x37f/0x391 [ 4264.500039] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4264.518942] [] inet_sendmsg+0xd8/0x191 [ 4264.533213] [] ? sock_sendmsg+0xdb/0x116 [ 4264.548249] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4264.595945] [] sock_sendmsg+0xe9/0x116 [ 4264.610286] [] ? SYSC_sendto+0x208/0x2df [ 4264.627411] [] SYSC_sendto+0x235/0x2df [ 4264.709785] [] ? SYSC_connect+0x267/0x267 [ 4264.778650] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4264.814751] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4264.829585] [] ? pick_next_task_stop+0x11c/0x12f [ 4264.850155] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4264.868323] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4264.887661] [] ? SyS_poll+0x262/0x2a1 [ 4264.906862] [] ? do_restart_poll+0x1de/0x1de [ 4264.924108] [] SyS_sendto+0x47/0x49 [ 4264.941331] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4264.962191] ================================================================================ [ 4264.986132] INFO: rcu_sched self-detected stall on CPU[ 4264.989863] INFO: rcu_sched detected stalls on CPUs/tasks: [ 4264.989875] 0-...: (30 ticks this GP) idle=36f/140000000000001/0 softirq=21230/21230 fqs=450 [ 4264.989876] (detected by 2, t=15333 jiffies, g=1859, c=1858, q=61) [ 4264.989882] Task dump for CPU 0: [ 4264.989885] rsyslogd R running task 0 1601 1577 0x0000000a [ 4264.989896] 000000006e3fad48 ffffffffb363c2a0 ffff880059007368 ffff88005bdf6820 [ 4264.989904] 0000000000000003 ffff880059007328 ffffffffb1ed015f 00000050b1fd4fc6 [ 4264.989911] ffffed000b200e69 1ffff1000b200e83 ffffffffb70d2db8 0000000000000003 [ 4264.989918] Call Trace: [ 4264.989930] [] ? vprintk_default+0x65/0x6e [ 4264.989937] [] ? ubsan_epilogue+0x26/0x53 [ 4264.989945] [] ? arch_local_irq_restore+0x6/0xd [ 4264.989954] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 4264.989959] [] ? ubsan_epilogue+0x3e/0x53 [ 4264.989966] [] ? __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4264.989973] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4264.989978] [] ? ubsan_epilogue+0x26/0x53 [ 4264.989986] [] ? sk_clone_lock+0xd97/0xd97 [ 4264.989993] [] ? eth_type_trans+0x375/0x55e [ 4264.990000] [] ? eth_gro_receive+0x66e/0x66e [ 4264.990007] [] ? sk_clone_lock+0xd97/0xd97 [ 4264.990013] [] ? loopback_xmit+0x1ff/0x341 [ 4264.990021] [] ? dev_hard_start_xmit+0x20e/0x4f5 [ 4264.990027] [] ? validate_xmit_skb+0x88a/0x93b [ 4264.990034] [] ? __dev_queue_xmit+0xfd4/0x125d [ 4264.990041] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4264.990048] [] ? netdev_pick_tx+0x29c/0x29c [ 4264.990054] [] ? eth_header+0x16e/0x17e [ 4264.990060] [] ? eth_mac_addr+0x4a/0x4a [ 4264.990067] [] ? dev_queue_xmit+0x1e/0x20 [ 4264.990074] [] ? neigh_resolve_output+0x50c/0x53b [ 4264.990081] [] ? ip_finish_output2+0xb2a/0xbf2 [ 4264.990088] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4264.990095] [] ? pskb_trim_unique+0x1be/0x1be [ 4264.990100] [] ? ipv4_mtu+0x1b1/0x1bb [ 4264.990107] [] ? ip_finish_output+0x252/0x269 [ 4264.990113] [] ? ip_finish_output+0x252/0x269 [ 4264.990119] [] ? ip_output+0x199/0x1e0 [ 4264.990126] [] ? dst_output+0x90/0x9b [ 4264.990132] [] ? ip_local_out+0x43/0x56 [ 4264.990138] [] ? ip_send_skb+0x39/0xaf [ 4264.990144] [] ? ip_send_skb+0x48/0xaf [ 4264.990151] [] ? udp_send_skb+0x8de/0xada [ 4264.990159] [] ? udp_sendmsg+0xf69/0x1547 [ 4264.990165] [] ? csum_block_add+0x39/0x39 [ 4264.990172] [] ? udp_setsockopt+0x8b/0x8b [ 4264.990180] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4264.990187] [] ? aa_sk_perm+0x37f/0x391 [ 4264.990194] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4264.990201] [] ? inet_sendmsg+0xd8/0x191 [ 4264.990206] [] ? sock_sendmsg+0xdb/0x116 [ 4264.990213] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4264.990218] [] ? sock_sendmsg+0xe9/0x116 [ 4264.990223] [] ? SYSC_sendto+0x208/0x2df [ 4264.990229] [] ? SYSC_sendto+0x235/0x2df [ 4264.990234] [] ? SYSC_connect+0x267/0x267 [ 4264.990241] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4264.990249] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4264.990255] [] ? pick_next_task_stop+0x11c/0x12f [ 4264.990264] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4264.990271] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4264.990277] [] ? SyS_poll+0x262/0x2a1 [ 4264.990284] [] ? do_restart_poll+0x1de/0x1de [ 4264.990290] [] ? SyS_sendto+0x47/0x49 [ 4264.990297] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4266.202230] [ 4266.206267] 0-...: (30 ticks this GP) idle=36f/140000000000001/0 softirq=21230/21230 fqs=451 [ 4266.228979] (t=15333 jiffies g=1859 c=1858 q=61) [ 4266.244596] Task dump for CPU 0: [ 4266.256406] rsyslogd R running task 0 1601 1577 0x0000000a [ 4266.276964] 0000000000000629 000000006e3fad48 ffff88005d407bc8 ffffffffb1e6d847 [ 4266.298333] 0000000041b58ab3 ffffffffb3a291c0 ffffffffb1e6d5aa ffff88005d407b88 [ 4266.318644] ffffffffb77d0b60 ffff88005d407ba0 ffffffffb272b720 000000006e3fad48 [ 4266.338371] Call Trace: [ 4266.344015] [] sched_show_task+0x29d/0x2d3 [ 4266.362145] [] ? SyS_sched_rr_get_interval+0x23a/0x23a [ 4266.383251] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 4266.402937] [] dump_cpu_task+0xb5/0xba [ 4266.416198] [] rcu_dump_cpu_stacks+0x215/0x23b [ 4266.432367] [] check_cpu_stall+0x5e9/0x7a4 [ 4266.446225] [] ? rcu_process_callbacks+0x12b0/0x12b0 [ 4266.466730] [] ? div_u64_rem+0x82/0x93 [ 4266.481256] [] rcu_check_callbacks+0x20f/0x7b8 [ 4266.498384] [] ? rcu_cpu_stall_reset+0x153/0x153 [ 4266.517556] [] update_process_times+0x35/0x64 [ 4266.532966] [] tick_sched_handle+0x114/0x125 [ 4266.547106] [] tick_sched_timer+0x43/0xab [ 4266.564209] [] __hrtimer_run_queues+0x433/0x7b1 [ 4266.581688] [] ? tick_sched_do_timer+0x5f/0x5f [ 4266.597094] [] ? hrtimer_cancel+0x37/0x37 [ 4266.612760] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [ 4266.631294] [] hrtimer_interrupt+0x179/0x41c [ 4266.647144] [] local_apic_timer_interrupt+0xe4/0xeb [ 4266.666507] [] smp_apic_timer_interrupt+0x2e/0x3e [ 4266.680950] [] apic_timer_interrupt+0x82/0x90 [ 4266.699552] [] ? ubsan_epilogue+0x26/0x53 [ 4266.717206] [] ? arch_local_irq_restore+0x6/0xd [ 4266.737020] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [ 4266.755055] [] ubsan_epilogue+0x3e/0x53 [ 4266.772945] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4266.793393] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4266.812078] [] ? ubsan_epilogue+0x26/0x53 [ 4266.827618] [] ? sk_clone_lock+0xd97/0xd97 [ 4266.844110] [] eth_type_trans+0x375/0x55e [ 4266.857135] [] ? eth_gro_receive+0x66e/0x66e [ 4266.874910] [] ? sk_clone_lock+0xd97/0xd97 [ 4266.895432] [] loopback_xmit+0x1ff/0x341 [ 4266.910832] [] dev_hard_start_xmit+0x20e/0x4f5 [ 4266.927690] [] ? validate_xmit_skb+0x88a/0x93b [ 4266.946342] [] __dev_queue_xmit+0xfd4/0x125d [ 4266.965741] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4266.984819] [] ? netdev_pick_tx+0x29c/0x29c [ 4267.001572] [] ? eth_header+0x16e/0x17e [ 4267.016676] [] ? eth_mac_addr+0x4a/0x4a [ 4267.030455] [] dev_queue_xmit+0x1e/0x20 [ 4267.046074] [] neigh_resolve_output+0x50c/0x53b [ 4267.066475] [] ip_finish_output2+0xb2a/0xbf2 [ 4267.081381] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4267.101549] [] ? pskb_trim_unique+0x1be/0x1be [ 4267.117508] [] ? ipv4_mtu+0x1b1/0x1bb [ 4267.131382] [] ip_finish_output+0x252/0x269 [ 4267.147056] [] ? ip_finish_output+0x252/0x269 [ 4267.164721] [] ip_output+0x199/0x1e0 [ 4267.180969] [] dst_output+0x90/0x9b [ 4267.196787] [] ip_local_out+0x43/0x56 [ 4267.211207] [] ? ip_send_skb+0x39/0xaf [ 4267.226257] [] ip_send_skb+0x48/0xaf [ 4267.242903] [] udp_send_skb+0x8de/0xada [ 4267.260355] [] udp_sendmsg+0xf69/0x1547 [ 4267.275954] [] ? csum_block_add+0x39/0x39 [ 4267.291147] [] ? udp_setsockopt+0x8b/0x8b [ 4267.307282] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4267.322091] [] ? aa_sk_perm+0x37f/0x391 [ 4267.336983] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4267.354970] [] inet_sendmsg+0xd8/0x191 [ 4267.368173] [] ? sock_sendmsg+0xdb/0x116 [ 4267.382924] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4267.400424] [] sock_sendmsg+0xe9/0x116 [ 4267.426806] [] ? SYSC_sendto+0x208/0x2df [ 4267.443643] [] SYSC_sendto+0x235/0x2df [ 4267.459854] [] ? SYSC_connect+0x267/0x267 [ 4267.474442] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4267.490178] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4267.508178] [] ? pick_next_task_stop+0x11c/0x12f [ 4267.523952] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4267.542252] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4267.560972] [] ? SyS_poll+0x262/0x2a1 [ 4267.575016] [] ? do_restart_poll+0x1de/0x1de [ 4267.590809] [] SyS_sendto+0x47/0x49 [ 4267.603764] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4267.623899] ================================================================================ [ 4267.646432] UBSAN: Undefined behaviour in ./include/linux/etherdevice.h:346:14 [ 4267.669291] load of misaligned address ffff88005b0478e2 for type 'const u64' [ 4267.692922] which requires 8 byte alignment [ 4267.703941] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4267.727031] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4267.752694] 00000000ffffffff 000000006e3fad48 ffff8800590073e8 ffffffffb26ec5cc [ 4267.771350] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4267.796488] ffffffff00000010 ffff880059007410 ffff8800590073c0 ffffffffb363c3e0 [ 4267.816493] Call Trace: [ 4267.822906] [] dump_stack+0xd7/0x132 [ 4267.839984] [] ? arch_local_irq_restore+0x1b/0x1b [ 4267.860813] [] ubsan_epilogue+0x12/0x53 [ 4267.877485] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4267.908608] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4267.929032] [] ? ubsan_epilogue+0x26/0x53 [ 4267.948480] [] ? sk_clone_lock+0xd97/0xd97 [ 4267.967686] [] eth_type_trans+0x3a2/0x55e [ 4267.986140] [] ? eth_gro_receive+0x66e/0x66e [ 4268.003438] [] ? sk_clone_lock+0xd97/0xd97 [ 4268.022342] [] loopback_xmit+0x1ff/0x341 [ 4268.039012] [] dev_hard_start_xmit+0x20e/0x4f5 [ 4268.057113] [] ? validate_xmit_skb+0x88a/0x93b [ 4268.075407] [] __dev_queue_xmit+0xfd4/0x125d [ 4268.090565] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4268.108426] [] ? netdev_pick_tx+0x29c/0x29c [ 4268.125221] [] ? eth_header+0x16e/0x17e [ 4268.141360] [] ? eth_mac_addr+0x4a/0x4a [ 4268.161295] [] dev_queue_xmit+0x1e/0x20 [ 4268.176487] [] neigh_resolve_output+0x50c/0x53b [ 4268.192930] [] ip_finish_output2+0xb2a/0xbf2 [ 4268.208525] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4268.228794] [] ? pskb_trim_unique+0x1be/0x1be [ 4268.247314] [] ? ipv4_mtu+0x1b1/0x1bb [ 4268.260319] [] ip_finish_output+0x252/0x269 [ 4268.279474] [] ? ip_finish_output+0x252/0x269 [ 4268.296140] [] ip_output+0x199/0x1e0 [ 4268.308828] [] dst_output+0x90/0x9b [ 4268.324575] [] ip_local_out+0x43/0x56 [ 4268.337169] [] ? ip_send_skb+0x39/0xaf [ 4268.352543] [] ip_send_skb+0x48/0xaf [ 4268.367634] [] udp_send_skb+0x8de/0xada [ 4268.383356] [] udp_sendmsg+0xf69/0x1547 [ 4268.399190] [] ? csum_block_add+0x39/0x39 [ 4268.413550] [] ? udp_setsockopt+0x8b/0x8b [ 4268.428119] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4268.444713] [] ? aa_sk_perm+0x37f/0x391 [ 4268.462230] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4268.479362] [] inet_sendmsg+0xd8/0x191 [ 4268.495596] [] ? sock_sendmsg+0xdb/0x116 [ 4268.512857] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4268.528446] [] sock_sendmsg+0xe9/0x116 [ 4268.544766] [] ? SYSC_sendto+0x208/0x2df [ 4268.561779] [] SYSC_sendto+0x235/0x2df [ 4268.575224] [] ? SYSC_connect+0x267/0x267 [ 4268.589508] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4268.605382] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4268.624560] [] ? pick_next_task_stop+0x11c/0x12f [ 4268.643345] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4268.661185] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4268.681402] [] ? SyS_poll+0x262/0x2a1 [ 4268.699339] [] ? do_restart_poll+0x1de/0x1de [ 4268.715825] [] SyS_sendto+0x47/0x49 [ 4268.729645] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4268.747455] ================================================================================ [ 4268.771212] ================================================================================ [ 4268.798398] UBSAN: Undefined behaviour in drivers/net/loopback.c:87:13 [ 4268.815876] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4268.840207] which requires 64 byte alignment [ 4268.851256] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4268.871620] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4268.901359] 00000000ffffffff 000000006e3fad48 ffff880059007488 ffffffffb26ec5cc [ 4268.922710] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4268.944395] ffffffff00000010 ffff8800590074b0 ffff880059007460 ffffffffb363c3e0 [ 4268.963491] Call Trace: [ 4268.969249] [] dump_stack+0xd7/0x132 [ 4268.986967] [] ? arch_local_irq_restore+0x1b/0x1b [ 4269.008153] [] ubsan_epilogue+0x12/0x53 [ 4269.025306] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4269.045218] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4269.065166] [] ? sk_clone_lock+0xd97/0xd97 [ 4269.080314] [] loopback_xmit+0x249/0x341 [ 4269.097503] [] dev_hard_start_xmit+0x20e/0x4f5 [ 4269.114851] [] ? validate_xmit_skb+0x88a/0x93b [ 4269.129191] [] __dev_queue_xmit+0xfd4/0x125d [ 4269.147875] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4269.167261] [] ? netdev_pick_tx+0x29c/0x29c [ 4269.183614] [] ? eth_header+0x16e/0x17e [ 4269.203154] [] ? eth_mac_addr+0x4a/0x4a [ 4269.218055] [] dev_queue_xmit+0x1e/0x20 [ 4269.233370] [] neigh_resolve_output+0x50c/0x53b [ 4269.248128] [] ip_finish_output2+0xb2a/0xbf2 [ 4269.265088] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4269.286598] [] ? pskb_trim_unique+0x1be/0x1be [ 4269.304168] [] ? ipv4_mtu+0x1b1/0x1bb [ 4269.318621] [] ip_finish_output+0x252/0x269 [ 4269.334307] [] ? ip_finish_output+0x252/0x269 [ 4269.348636] [] ip_output+0x199/0x1e0 [ 4269.364903] [] dst_output+0x90/0x9b [ 4269.383092] [] ip_local_out+0x43/0x56 [ 4269.398319] [] ? ip_send_skb+0x39/0xaf [ 4269.415323] [] ip_send_skb+0x48/0xaf [ 4269.428521] [] udp_send_skb+0x8de/0xada [ 4269.445073] [] udp_sendmsg+0xf69/0x1547 [ 4269.460906] [] ? csum_block_add+0x39/0x39 [ 4269.475377] [] ? udp_setsockopt+0x8b/0x8b [ 4269.492404] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4269.508560] [] ? aa_sk_perm+0x37f/0x391 [ 4269.525272] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4269.544431] [] inet_sendmsg+0xd8/0x191 [ 4269.560393] [] ? sock_sendmsg+0xdb/0x116 [ 4269.577388] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4269.601751] [] sock_sendmsg+0xe9/0x116 [ 4269.617709] [] ? SYSC_sendto+0x208/0x2df [ 4269.636804] [] SYSC_sendto+0x235/0x2df [ 4269.650342] [] ? SYSC_connect+0x267/0x267 [ 4269.666367] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4269.688843] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4269.706351] [] ? pick_next_task_stop+0x11c/0x12f [ 4269.724450] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4269.742752] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4269.760562] [] ? SyS_poll+0x262/0x2a1 [ 4269.775978] [] ? do_restart_poll+0x1de/0x1de [ 4269.792864] [] SyS_sendto+0x47/0x49 [ 4269.806646] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4269.824370] ================================================================================ [ 4269.847348] ================================================================================ [ 4269.869434] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:3555:9 [ 4269.892447] member access within misaligned address ffff88005bdaf8e0 for type 'struct netdev_queue' [ 4269.918165] which requires 64 byte alignment [ 4269.928332] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4269.950216] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4269.978984] 00000000ffffffff 000000006e3fad48 ffff8800590074c0 ffffffffb26ec5cc [ 4269.999710] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4270.027922] 0000000000000010 ffff8800590074e8 ffff880059007498 ffffffffb363c3e0 [ 4270.051809] Call Trace: [ 4270.060763] [] dump_stack+0xd7/0x132 [ 4270.074645] [] ? arch_local_irq_restore+0x1b/0x1b [ 4270.095406] [] ubsan_epilogue+0x12/0x53 [ 4270.113275] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4270.135530] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4270.156123] [] ? sk_clone_lock+0xd97/0xd97 [ 4270.172261] [] dev_hard_start_xmit+0x234/0x4f5 [ 4270.188783] [] ? validate_xmit_skb+0x88a/0x93b [ 4270.204470] [] __dev_queue_xmit+0xfd4/0x125d [ 4270.222107] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4270.243941] [] ? netdev_pick_tx+0x29c/0x29c [ 4270.264274] [] ? eth_header+0x16e/0x17e [ 4270.280730] [] ? eth_mac_addr+0x4a/0x4a [ 4270.295771] [] dev_queue_xmit+0x1e/0x20 [ 4270.308879] [] neigh_resolve_output+0x50c/0x53b [ 4270.330871] [] ip_finish_output2+0xb2a/0xbf2 [ 4270.345751] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4270.366114] [] ? pskb_trim_unique+0x1be/0x1be [ 4270.383872] [] ? ipv4_mtu+0x1b1/0x1bb [ 4270.398515] [] ip_finish_output+0x252/0x269 [ 4270.413243] [] ? ip_finish_output+0x252/0x269 [ 4270.428646] [] ip_output+0x199/0x1e0 [ 4270.444093] [] dst_output+0x90/0x9b [ 4270.459474] [] ip_local_out+0x43/0x56 [ 4270.472273] [] ? ip_send_skb+0x39/0xaf [ 4270.487908] [] ip_send_skb+0x48/0xaf [ 4270.502085] [] udp_send_skb+0x8de/0xada [ 4270.519459] [] udp_sendmsg+0xf69/0x1547 [ 4270.535678] [] ? csum_block_add+0x39/0x39 [ 4270.551907] [] ? udp_setsockopt+0x8b/0x8b [ 4270.567404] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4270.586695] [] ? aa_sk_perm+0x37f/0x391 [ 4270.601319] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4270.619551] [] inet_sendmsg+0xd8/0x191 [ 4270.634996] [] ? sock_sendmsg+0xdb/0x116 [ 4270.651224] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4270.670111] [] sock_sendmsg+0xe9/0x116 [ 4270.684940] [] ? SYSC_sendto+0x208/0x2df [ 4270.703772] [] SYSC_sendto+0x235/0x2df [ 4270.719174] [] ? SYSC_connect+0x267/0x267 [ 4270.736532] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4270.754428] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4270.770968] [] ? pick_next_task_stop+0x11c/0x12f [ 4270.787761] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4270.807633] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4270.826648] [] ? SyS_poll+0x262/0x2a1 [ 4270.842078] [] ? do_restart_poll+0x1de/0x1de [ 4270.858807] [] SyS_sendto+0x47/0x49 [ 4270.876673] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4270.896539] ================================================================================ [ 4270.921007] ================================================================================ [ 4270.945357] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:2952:18 [ 4270.966658] member access within misaligned address ffff88005bdaf8e0 for type 'const struct netdev_queue' [ 4270.994490] which requires 64 byte alignment [ 4271.005155] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4271.025556] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4271.053532] 00000000ffffffff 000000006e3fad48 ffff8800590074c0 ffffffffb26ec5cc [ 4271.075366] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4271.097111] ffff880000000010 ffff8800590074e8 ffff880059007498 ffffffffb363c3e0 [ 4271.121567] Call Trace: [ 4271.127972] [] dump_stack+0xd7/0x132 [ 4271.146452] [] ? arch_local_irq_restore+0x1b/0x1b [ 4271.167445] [] ubsan_epilogue+0x12/0x53 [ 4271.185185] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4271.203700] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4271.223359] [] ? sk_clone_lock+0xd97/0xd97 [ 4271.242912] [] dev_hard_start_xmit+0x351/0x4f5 [ 4271.259501] [] ? validate_xmit_skb+0x88a/0x93b [ 4271.275055] [] __dev_queue_xmit+0xfd4/0x125d [ 4271.292891] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4271.312611] [] ? netdev_pick_tx+0x29c/0x29c [ 4271.327084] [] ? eth_header+0x16e/0x17e [ 4271.344794] [] ? eth_mac_addr+0x4a/0x4a [ 4271.361404] [] dev_queue_xmit+0x1e/0x20 [ 4271.378229] [] neigh_resolve_output+0x50c/0x53b [ 4271.396526] [] ip_finish_output2+0xb2a/0xbf2 [ 4271.412273] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4271.430955] [] ? pskb_trim_unique+0x1be/0x1be [ 4271.447388] [] ? ipv4_mtu+0x1b1/0x1bb [ 4271.464283] [] ip_finish_output+0x252/0x269 [ 4271.480493] [] ? ip_finish_output+0x252/0x269 [ 4271.498725] [] ip_output+0x199/0x1e0 [ 4271.514209] [] dst_output+0x90/0x9b [ 4271.526574] [] ip_local_out+0x43/0x56 [ 4271.543789] [] ? ip_send_skb+0x39/0xaf [ 4271.556986] [] ip_send_skb+0x48/0xaf [ 4271.570570] [] udp_send_skb+0x8de/0xada [ 4271.584077] [] udp_sendmsg+0xf69/0x1547 [ 4271.600048] [] ? csum_block_add+0x39/0x39 [ 4271.616756] [] ? udp_setsockopt+0x8b/0x8b [ 4271.632720] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4271.648849] [] ? aa_sk_perm+0x37f/0x391 [ 4271.663650] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4271.679524] [] inet_sendmsg+0xd8/0x191 [ 4271.692350] [] ? sock_sendmsg+0xdb/0x116 [ 4271.707453] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4271.722632] [] sock_sendmsg+0xe9/0x116 [ 4271.738225] [] ? SYSC_sendto+0x208/0x2df [ 4271.752980] [] SYSC_sendto+0x235/0x2df [ 4271.768180] [] ? SYSC_connect+0x267/0x267 [ 4271.783421] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4271.801593] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4271.820594] [] ? pick_next_task_stop+0x11c/0x12f [ 4271.838567] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4271.853630] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4271.871688] [] ? SyS_poll+0x262/0x2a1 [ 4271.886711] [] ? do_restart_poll+0x1de/0x1de [ 4271.903020] [] SyS_sendto+0x47/0x49 [ 4271.918086] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4271.934171] ================================================================================ [ 4271.958098] ================================================================================ [ 4271.986322] UBSAN: Undefined behaviour in net/core/dev.c:3409:6 [ 4272.003860] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4272.035287] which requires 64 byte alignment [ 4272.045164] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4272.066130] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4272.092672] 00000000ffffffff 000000006e3fad48 ffff880059007520 ffffffffb26ec5cc [ 4272.115679] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4272.137365] ffffffff00000010 ffff880059007548 ffff8800590074f8 ffffffffb363c3e0 [ 4272.160556] Call Trace: [ 4272.166479] [] dump_stack+0xd7/0x132 [ 4272.183593] [] ? arch_local_irq_restore+0x1b/0x1b [ 4272.201442] [] ubsan_epilogue+0x12/0x53 [ 4272.217286] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4272.240404] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4272.261003] [] ? dev_hard_start_xmit+0x4dc/0x4f5 [ 4272.279550] [] ? validate_xmit_skb+0x88a/0x93b [ 4272.299678] [] __dev_queue_xmit+0x1232/0x125d [ 4272.316127] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4272.337466] [] ? netdev_pick_tx+0x29c/0x29c [ 4272.351951] [] ? eth_header+0x16e/0x17e [ 4272.368676] [] ? eth_mac_addr+0x4a/0x4a [ 4272.383555] [] dev_queue_xmit+0x1e/0x20 [ 4272.399638] [] neigh_resolve_output+0x50c/0x53b [ 4272.416896] [] ip_finish_output2+0xb2a/0xbf2 [ 4272.432789] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4272.454824] [] ? pskb_trim_unique+0x1be/0x1be [ 4272.469618] [] ? ipv4_mtu+0x1b1/0x1bb [ 4272.486621] [] ip_finish_output+0x252/0x269 [ 4272.504259] [] ? ip_finish_output+0x252/0x269 [ 4272.522097] [] ip_output+0x199/0x1e0 [ 4272.539964] [] dst_output+0x90/0x9b [ 4272.556044] [] ip_local_out+0x43/0x56 [ 4272.569114] [] ? ip_send_skb+0x39/0xaf [ 4272.585547] [] ip_send_skb+0x48/0xaf [ 4272.602405] [] udp_send_skb+0x8de/0xada [ 4272.619234] [] udp_sendmsg+0xf69/0x1547 [ 4272.636657] [] ? csum_block_add+0x39/0x39 [ 4272.650544] [] ? udp_setsockopt+0x8b/0x8b [ 4272.668116] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4272.686540] [] ? aa_sk_perm+0x37f/0x391 [ 4272.702494] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4272.723379] [] inet_sendmsg+0xd8/0x191 [ 4272.739841] [] ? sock_sendmsg+0xdb/0x116 [ 4272.756888] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4272.774856] [] sock_sendmsg+0xe9/0x116 [ 4272.789680] [] ? SYSC_sendto+0x208/0x2df [ 4272.805353] [] SYSC_sendto+0x235/0x2df [ 4272.822070] [] ? SYSC_connect+0x267/0x267 [ 4272.838440] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4272.855475] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4272.872659] [] ? pick_next_task_stop+0x11c/0x12f [ 4272.892098] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4272.910643] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4272.937256] [] ? SyS_poll+0x262/0x2a1 [ 4272.950670] [] ? do_restart_poll+0x1de/0x1de [ 4272.968684] [] SyS_sendto+0x47/0x49 [ 4272.985319] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4273.003542] ================================================================================ [ 4273.034231] ================================================================================ [ 4273.059439] UBSAN: Undefined behaviour in net/core/dev.c:4104:25 [ 4273.078336] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4273.101708] which requires 64 byte alignment [ 4273.116003] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4273.136651] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4273.165616] 00000000ffffffff 000000006e3fad48 ffff88005d407b20 ffffffffb26ec5cc [ 4273.187705] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4273.208788] ffffffff00000010 ffff88005d407b48 ffff88005d407af8 ffffffffb363c3e0 [ 4273.231436] Call Trace: [ 4273.239497] [] dump_stack+0xd7/0x132 [ 4273.256768] [] ? arch_local_irq_restore+0x1b/0x1b [ 4273.273758] [] ubsan_epilogue+0x12/0x53 [ 4273.288000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4273.307969] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4273.325750] [] __netif_receive_skb_core+0x3cf/0x118b [ 4273.346657] [] ? flush_backlog+0x564/0x564 [ 4273.364095] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 4273.383380] [] ? add_timer_on+0x2b5/0x2f8 [ 4273.399063] [] ? msleep+0x44/0x44 [ 4273.414666] [] ? __list_del_entry+0x20c/0x242 [ 4273.428726] [] ? __list_add+0x249/0x249 [ 4273.447349] [] __netif_receive_skb+0x19c/0x1b2 [ 4273.467328] [] process_backlog+0x273/0x5ee [ 4273.485108] [] net_rx_action+0x37b/0x9b3 [ 4273.499285] [] ? __run_timers+0x727/0x76b [ 4273.516187] [] ? sk_busy_loop+0x400/0x400 [ 4273.531031] [] ? internal_add_timer+0x8f/0x8f [ 4273.549554] [] ? paravirt_write_msr+0xf/0x13 [ 4273.568218] [] ? apic_write+0x53/0x5a [ 4273.583276] [] ? clockevents_program_event+0x344/0x354 [ 4273.605191] [] __do_softirq+0x211/0x59e [ 4273.620441] [] do_softirq_own_stack+0x1c/0x30 [ 4273.638285] [] do_softirq+0x35/0x40 [ 4273.654304] [] __local_bh_enable_ip+0xa7/0xb3 [ 4273.669055] [] ip_finish_output2+0xb42/0xbf2 [ 4273.686378] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4273.708237] [] ? pskb_trim_unique+0x1be/0x1be [ 4273.724469] [] ? ipv4_mtu+0x1b1/0x1bb [ 4273.739240] [] ip_finish_output+0x252/0x269 [ 4273.755690] [] ? ip_finish_output+0x252/0x269 [ 4273.771168] [] ip_output+0x199/0x1e0 [ 4273.787142] [] dst_output+0x90/0x9b [ 4273.802206] [] ip_local_out+0x43/0x56 [ 4273.819424] [] ? ip_send_skb+0x39/0xaf [ 4273.834071] [] ip_send_skb+0x48/0xaf [ 4273.846625] [] udp_send_skb+0x8de/0xada [ 4273.862921] [] udp_sendmsg+0xf69/0x1547 [ 4273.877520] [] ? csum_block_add+0x39/0x39 [ 4273.896322] [] ? udp_setsockopt+0x8b/0x8b [ 4273.912146] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4273.928459] [] ? aa_sk_perm+0x37f/0x391 [ 4273.945033] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4273.961089] [] inet_sendmsg+0xd8/0x191 [ 4273.976556] [] ? sock_sendmsg+0xdb/0x116 [ 4273.995163] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4274.011333] [] sock_sendmsg+0xe9/0x116 [ 4274.024067] [] ? SYSC_sendto+0x208/0x2df [ 4274.042547] [] SYSC_sendto+0x235/0x2df [ 4274.055444] [] ? SYSC_connect+0x267/0x267 [ 4274.069619] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4274.086155] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4274.106688] [] ? pick_next_task_stop+0x11c/0x12f [ 4274.127855] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4274.146981] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4274.168542] [] ? SyS_poll+0x262/0x2a1 [ 4274.184427] [] ? do_restart_poll+0x1de/0x1de [ 4274.199762] [] SyS_sendto+0x47/0x49 [ 4274.214555] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4274.231704] ================================================================================ [ 4274.256997] ================================================================================ [ 4274.282340] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:4202:12 [ 4274.299761] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 4274.326182] which requires 64 byte alignment [ 4274.337461] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4274.359553] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4274.387760] 00000000ffffffff 000000006e3fad48 ffff88005d4079d8 ffffffffb26ec5cc [ 4274.409316] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4274.435149] 0000000000000010 ffff88005d407a00 ffff88005d4079b0 ffffffffb363c3e0 [ 4274.458804] Call Trace: [ 4274.464352] [] dump_stack+0xd7/0x132 [ 4274.485445] [] ? arch_local_irq_restore+0x1b/0x1b [ 4274.502691] [] ubsan_epilogue+0x12/0x53 [ 4274.519426] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4274.538748] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4274.556646] [] ? smp_apic_timer_interrupt+0x33/0x3e [ 4274.576205] [] ? apic_timer_interrupt+0x82/0x90 [ 4274.594208] [] ip_rcv_finish+0xdc/0xf64 [ 4274.608529] [] ip_rcv+0xc36/0xd27 [ 4274.624965] [] ? ip_local_deliver+0x2b6/0x2b6 [ 4274.643419] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4274.662650] [] ? ip_local_deliver+0x2b6/0x2b6 [ 4274.679546] [] __netif_receive_skb_core+0xd21/0x118b [ 4274.698038] [] ? flush_backlog+0x564/0x564 [ 4274.713350] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 4274.731437] [] ? add_timer_on+0x2b5/0x2f8 [ 4274.747142] [] ? msleep+0x44/0x44 [ 4274.763694] [] ? __list_del_entry+0x20c/0x242 [ 4274.782668] [] ? __list_add+0x249/0x249 [ 4274.798290] [] __netif_receive_skb+0x19c/0x1b2 [ 4274.814609] [] process_backlog+0x273/0x5ee [ 4274.828859] [] net_rx_action+0x37b/0x9b3 [ 4274.845444] [] ? __run_timers+0x727/0x76b [ 4274.866186] [] ? sk_busy_loop+0x400/0x400 [ 4274.882996] [] ? internal_add_timer+0x8f/0x8f [ 4274.903628] [] ? paravirt_write_msr+0xf/0x13 [ 4274.920123] [] ? apic_write+0x53/0x5a [ 4274.936455] [] ? clockevents_program_event+0x344/0x354 [ 4274.956790] [] __do_softirq+0x211/0x59e [ 4274.969733] [] do_softirq_own_stack+0x1c/0x30 [ 4274.987958] [] do_softirq+0x35/0x40 [ 4275.007986] [] __local_bh_enable_ip+0xa7/0xb3 [ 4275.023520] [] ip_finish_output2+0xb42/0xbf2 [ 4275.039815] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4275.061043] [] ? pskb_trim_unique+0x1be/0x1be [ 4275.078825] [] ? ipv4_mtu+0x1b1/0x1bb [ 4275.091671] [] ip_finish_output+0x252/0x269 [ 4275.108382] [] ? ip_finish_output+0x252/0x269 [ 4275.125285] [] ip_output+0x199/0x1e0 [ 4275.139899] [] dst_output+0x90/0x9b [ 4275.157361] [] ip_local_out+0x43/0x56 [ 4275.170200] [] ? ip_send_skb+0x39/0xaf [ 4275.183913] [] ip_send_skb+0x48/0xaf [ 4275.196515] [] udp_send_skb+0x8de/0xada [ 4275.212085] [] udp_sendmsg+0xf69/0x1547 [ 4275.224752] [] ? csum_block_add+0x39/0x39 [ 4275.240462] [] ? udp_setsockopt+0x8b/0x8b [ 4275.254573] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4275.273115] [] ? aa_sk_perm+0x37f/0x391 [ 4275.286704] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4275.303626] [] inet_sendmsg+0xd8/0x191 [ 4275.318921] [] ? sock_sendmsg+0xdb/0x116 [ 4275.335086] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4275.351902] [] sock_sendmsg+0xe9/0x116 [ 4275.365286] [] ? SYSC_sendto+0x208/0x2df [ 4275.380243] [] SYSC_sendto+0x235/0x2df [ 4275.392469] [] ? SYSC_connect+0x267/0x267 [ 4275.407174] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4275.423598] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4275.440846] [] ? pick_next_task_stop+0x11c/0x12f [ 4275.458344] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4275.474309] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4275.492503] [] ? SyS_poll+0x262/0x2a1 [ 4275.506670] [] ? do_restart_poll+0x1de/0x1de [ 4275.522063] [] SyS_sendto+0x47/0x49 [ 4275.538309] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4275.556868] ================================================================================ [ 4275.580925] ================================================================================ [ 4275.604441] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:4197:12 [ 4275.624923] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 4275.652875] which requires 64 byte alignment [ 4275.665451] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4275.689017] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4275.719200] 00000000ffffffff 000000006e3fad48 ffff88005d4079d8 ffffffffb26ec5cc [ 4275.739742] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4275.759502] ffffffff00000010 ffff88005d407a00 ffff88005d4079b0 ffffffffb363c3e0 [ 4275.780816] Call Trace: [ 4275.786904] [] dump_stack+0xd7/0x132 [ 4275.802769] [] ? arch_local_irq_restore+0x1b/0x1b [ 4275.820046] [] ubsan_epilogue+0x12/0x53 [ 4275.836814] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4275.855782] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4275.874733] [] ? smp_apic_timer_interrupt+0x33/0x3e [ 4275.894881] [] ? apic_timer_interrupt+0x82/0x90 [ 4275.913401] [] ip_rcv_finish+0x165/0xf64 [ 4275.928442] [] ip_rcv+0xc36/0xd27 [ 4275.945698] [] ? ip_local_deliver+0x2b6/0x2b6 [ 4275.963141] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4275.982967] [] ? ip_local_deliver+0x2b6/0x2b6 [ 4276.001137] [] __netif_receive_skb_core+0xd21/0x118b [ 4276.020525] [] ? flush_backlog+0x564/0x564 [ 4276.035760] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 4276.052135] [] ? add_timer_on+0x2b5/0x2f8 [ 4276.067321] [] ? msleep+0x44/0x44 [ 4276.079772] [] ? __list_del_entry+0x20c/0x242 [ 4276.096368] [] ? __list_add+0x249/0x249 [ 4276.111832] [] __netif_receive_skb+0x19c/0x1b2 [ 4276.126379] [] process_backlog+0x273/0x5ee [ 4276.143763] [] net_rx_action+0x37b/0x9b3 [ 4276.162897] [] ? __run_timers+0x727/0x76b [ 4276.179077] [] ? sk_busy_loop+0x400/0x400 [ 4276.198345] [] ? internal_add_timer+0x8f/0x8f [ 4276.216299] [] ? paravirt_write_msr+0xf/0x13 [ 4276.236670] [] ? apic_write+0x53/0x5a [ 4276.251139] [] ? clockevents_program_event+0x344/0x354 [ 4276.268558] [] __do_softirq+0x211/0x59e [ 4276.285216] [] do_softirq_own_stack+0x1c/0x30 [ 4276.303588] [] do_softirq+0x35/0x40 [ 4276.318553] [] __local_bh_enable_ip+0xa7/0xb3 [ 4276.334421] [] ip_finish_output2+0xb42/0xbf2 [ 4276.352791] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4276.371976] [] ? pskb_trim_unique+0x1be/0x1be [ 4276.388243] [] ? ipv4_mtu+0x1b1/0x1bb [ 4276.404575] [] ip_finish_output+0x252/0x269 [ 4276.420167] [] ? ip_finish_output+0x252/0x269 [ 4276.439491] [] ip_output+0x199/0x1e0 [ 4276.458287] [] dst_output+0x90/0x9b [ 4276.470946] [] ip_local_out+0x43/0x56 [ 4276.486900] [] ? ip_send_skb+0x39/0xaf [ 4276.504526] [] ip_send_skb+0x48/0xaf [ 4276.519842] [] udp_send_skb+0x8de/0xada [ 4276.539113] [] udp_sendmsg+0xf69/0x1547 [ 4276.553218] [] ? csum_block_add+0x39/0x39 [ 4276.568572] [] ? udp_setsockopt+0x8b/0x8b [ 4276.588233] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4276.603199] [] ? aa_sk_perm+0x37f/0x391 [ 4276.618328] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4276.634435] [] inet_sendmsg+0xd8/0x191 [ 4276.649166] [] ? sock_sendmsg+0xdb/0x116 [ 4276.664642] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4276.679966] [] sock_sendmsg+0xe9/0x116 [ 4276.694604] [] ? SYSC_sendto+0x208/0x2df [ 4276.708707] [] SYSC_sendto+0x235/0x2df [ 4276.723382] [] ? SYSC_connect+0x267/0x267 [ 4276.740010] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4276.758455] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4276.776859] [] ? pick_next_task_stop+0x11c/0x12f [ 4276.794350] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4276.815514] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4276.834787] [] ? SyS_poll+0x262/0x2a1 [ 4276.848319] [] ? do_restart_poll+0x1de/0x1de [ 4276.864851] [] SyS_sendto+0x47/0x49 [ 4276.877051] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4276.896477] ================================================================================ [ 4276.920936] ================================================================================ [ 4276.965239] UBSAN: Undefined behaviour in net/ipv4/icmp.c:303:27 [ 4277.003968] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4277.041294] which requires 64 byte alignment [ 4277.051535] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4277.070535] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4277.095733] 00000000ffffffff 000000006e3fad48 ffff88005d4074f8 ffffffffb26ec5cc [ 4277.118213] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4277.137154] ffff880000000010 ffff88005d407520 ffff88005d4074d0 ffffffffb363c3e0 [ 4277.159971] Call Trace: [ 4277.166255] [] dump_stack+0xd7/0x132 [ 4277.183460] [] ? arch_local_irq_restore+0x1b/0x1b [ 4277.199198] [] ubsan_epilogue+0x12/0x53 [ 4277.213343] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4277.230048] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4277.252280] [] ? __ip_route_output_key_hash+0x1878/0x18f0 [ 4277.271987] [] icmpv4_xrlim_allow+0x151/0x2ee [ 4277.289703] [] ? icmp_global_allow+0xee/0xee [ 4277.304888] [] ? __ip_options_echo+0xdce/0xddf [ 4277.321548] [] ? icmp_send+0x6cb/0x11b8 [ 4277.337094] [] icmp_send+0xfad/0x11b8 [ 4277.353311] [] ? icmp_send+0xfad/0x11b8 [ 4277.370705] [] ? icmp_push_reply+0x405/0x405 [ 4277.387701] [] ? timerqueue_add+0x31f/0x32d [ 4277.404807] [] ? __asan_loadN+0xf/0x11 [ 4277.419862] [] ? pvclock_clocksource_read+0x10d/0x171 [ 4277.439516] [] __udp4_lib_rcv+0x1ce5/0x1d01 [ 4277.455189] [] ? udp_queue_rcv_skb+0xdc9/0xdc9 [ 4277.469690] [] ? irq_exit+0xd1/0xd6 [ 4277.484666] [] ? raw_rcv+0xda/0xda [ 4277.496973] [] ? apic_timer_interrupt+0x82/0x90 [ 4277.514042] [] udp_rcv+0x28/0x2a [ 4277.527200] [] ip_local_deliver_finish+0x27a/0x397 [ 4277.547017] [] ip_local_deliver+0x24d/0x2b6 [ 4277.563699] [] ? ip_call_ra_chain+0x3c9/0x3c9 [ 4277.578899] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4277.600771] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4277.623429] [] ? smp_apic_timer_interrupt+0x33/0x3e [ 4277.640367] [] ? apic_timer_interrupt+0x82/0x90 [ 4277.654796] [] ip_rcv_finish+0xf36/0xf64 [ 4277.671235] [] ip_rcv+0xc36/0xd27 [ 4277.686462] [] ? ip_local_deliver+0x2b6/0x2b6 [ 4277.702285] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4277.721450] [] ? ip_local_deliver+0x2b6/0x2b6 [ 4277.737773] [] __netif_receive_skb_core+0xd21/0x118b [ 4277.755367] [] ? flush_backlog+0x564/0x564 [ 4277.769302] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 4277.789207] [] ? add_timer_on+0x2b5/0x2f8 [ 4277.805632] [] ? msleep+0x44/0x44 [ 4277.817526] [] ? __list_del_entry+0x20c/0x242 [ 4277.833375] [] ? __list_add+0x249/0x249 [ 4277.848354] [] __netif_receive_skb+0x19c/0x1b2 [ 4277.865634] [] process_backlog+0x273/0x5ee [ 4277.882599] [] net_rx_action+0x37b/0x9b3 [ 4277.896365] [] ? __run_timers+0x727/0x76b [ 4277.911053] [] ? sk_busy_loop+0x400/0x400 [ 4277.926135] [] ? internal_add_timer+0x8f/0x8f [ 4277.941501] [] ? paravirt_write_msr+0xf/0x13 [ 4277.958219] [] ? apic_write+0x53/0x5a [ 4277.970646] [] ? clockevents_program_event+0x344/0x354 [ 4277.990803] [] __do_softirq+0x211/0x59e [ 4278.005203] [] do_softirq_own_stack+0x1c/0x30 [ 4278.023363] [] do_softirq+0x35/0x40 [ 4278.040897] [] __local_bh_enable_ip+0xa7/0xb3 [ 4278.060038] [] ip_finish_output2+0xb42/0xbf2 [ 4278.074458] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4278.099196] [] ? pskb_trim_unique+0x1be/0x1be [ 4278.117389] [] ? ipv4_mtu+0x1b1/0x1bb [ 4278.131069] [] ip_finish_output+0x252/0x269 [ 4278.148669] [] ? ip_finish_output+0x252/0x269 [ 4278.165296] [] ip_output+0x199/0x1e0 [ 4278.179885] [] dst_output+0x90/0x9b [ 4278.191788] [] ip_local_out+0x43/0x56 [ 4278.208028] [] ? ip_send_skb+0x39/0xaf [ 4278.223517] [] ip_send_skb+0x48/0xaf [ 4278.239926] [] udp_send_skb+0x8de/0xada [ 4278.254854] [] udp_sendmsg+0xf69/0x1547 [ 4278.269285] [] ? csum_block_add+0x39/0x39 [ 4278.285189] [] ? udp_setsockopt+0x8b/0x8b [ 4278.300566] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4278.316423] [] ? aa_sk_perm+0x37f/0x391 [ 4278.331589] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4278.349773] [] inet_sendmsg+0xd8/0x191 [ 4278.367081] [] ? sock_sendmsg+0xdb/0x116 [ 4278.385672] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4278.403665] [] sock_sendmsg+0xe9/0x116 [ 4278.418274] [] ? SYSC_sendto+0x208/0x2df [ 4278.431208] [] SYSC_sendto+0x235/0x2df [ 4278.445737] [] ? SYSC_connect+0x267/0x267 [ 4278.460660] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4278.476803] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4278.493590] [] ? pick_next_task_stop+0x11c/0x12f [ 4278.512998] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4278.530331] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4278.548342] [] ? SyS_poll+0x262/0x2a1 [ 4278.563013] [] ? do_restart_poll+0x1de/0x1de [ 4278.579784] [] SyS_sendto+0x47/0x49 [ 4278.599202] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4278.618432] ================================================================================ [ 4278.641477] ================================================================================ [ 4278.664705] UBSAN: Undefined behaviour in net/ipv4/udp.c:640:7 [ 4278.681588] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4278.709571] which requires 64 byte alignment [ 4278.720833] CPU: 0 PID: 1601 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4278.740042] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4278.765113] 00000000ffffffff 000000006e3fad48 ffff88005d407770 ffffffffb26ec5cc [ 4278.897457] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4278.920061] ffff880000000010 ffff88005d407798 ffff88005d407748 ffffffffb363c3e0 [ 4278.944482] Call Trace: [ 4278.950591] [] dump_stack+0xd7/0x132 [ 4278.967905] [] ? arch_local_irq_restore+0x1b/0x1b [ 4278.986400] [] ubsan_epilogue+0x12/0x53 [ 4279.000230] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4279.017653] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4279.038257] [] ? __skb_checksum+0x6d8/0x6ea [ 4279.053320] [] __udp4_lib_err+0x200/0x54a [ 4279.068890] [] ? raw_icmp_error+0x79/0x774 [ 4279.084833] [] ? __udp4_lib_err+0x54a/0x54a [ 4279.103414] [] udp_err+0x2c/0x2e [ 4279.120633] [] icmp_socket_deliver+0x1df/0x1ed [ 4279.138514] [] icmp_unreach+0x5f4/0x648 [ 4279.153776] [] icmp_rcv+0x74b/0x992 [ 4279.169135] [] ip_local_deliver_finish+0x27a/0x397 [ 4279.187420] [] ip_local_deliver+0x24d/0x2b6 [ 4279.206136] [] ? ip_call_ra_chain+0x3c9/0x3c9 [ 4279.224536] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4279.243867] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4279.262367] [] ? smp_apic_timer_interrupt+0x33/0x3e [ 4279.281534] [] ? apic_timer_interrupt+0x82/0x90 [ 4279.296218] [] ip_rcv_finish+0xf36/0xf64 [ 4279.311439] [] ip_rcv+0xc36/0xd27 [ 4279.323823] [] ? ip_local_deliver+0x2b6/0x2b6 [ 4279.341749] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4279.364359] [] ? ip_local_deliver+0x2b6/0x2b6 [ 4279.384679] [] __netif_receive_skb_core+0xd21/0x118b [ 4279.402513] [] ? flush_backlog+0x564/0x564 [ 4279.417084] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [ 4279.436758] [] ? add_timer_on+0x2b5/0x2f8 [ 4279.450474] [] ? msleep+0x44/0x44 [ 4279.463451] [] ? __list_del_entry+0x20c/0x242 [ 4279.485520] [] ? __list_add+0x249/0x249 [ 4279.499024] [] __netif_receive_skb+0x19c/0x1b2 [ 4279.514615] [] process_backlog+0x273/0x5ee [ 4279.530289] [] net_rx_action+0x37b/0x9b3 [ 4279.543800] [] ? __run_timers+0x727/0x76b [ 4279.560139] [] ? sk_busy_loop+0x400/0x400 [ 4279.576009] [] ? internal_add_timer+0x8f/0x8f [ 4279.592895] [] ? paravirt_write_msr+0xf/0x13 [ 4279.608417] [] ? apic_write+0x53/0x5a [ 4279.621250] [] ? clockevents_program_event+0x344/0x354 [ 4279.641667] [] __do_softirq+0x211/0x59e [ 4279.656546] [] do_softirq_own_stack+0x1c/0x30 [ 4279.672433] [] do_softirq+0x35/0x40 [ 4279.689526] [] __local_bh_enable_ip+0xa7/0xb3 [ 4279.708594] [] ip_finish_output2+0xb42/0xbf2 [ 4279.722836] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4279.742705] [] ? pskb_trim_unique+0x1be/0x1be [ 4279.758780] [] ? ipv4_mtu+0x1b1/0x1bb [ 4279.772979] [] ip_finish_output+0x252/0x269 [ 4279.790950] [] ? ip_finish_output+0x252/0x269 [ 4279.809173] [] ip_output+0x199/0x1e0 [ 4279.823038] [] dst_output+0x90/0x9b [ 4279.838786] [] ip_local_out+0x43/0x56 [ 4279.853579] [] ? ip_send_skb+0x39/0xaf [ 4279.869136] [] ip_send_skb+0x48/0xaf [ 4279.885370] [] udp_send_skb+0x8de/0xada [ 4279.902216] [] udp_sendmsg+0xf69/0x1547 [ 4279.915687] [] ? csum_block_add+0x39/0x39 [ 4279.930556] [] ? udp_setsockopt+0x8b/0x8b [ 4279.946444] [] ? vm_insert_pfn_prot+0x1f4/0x203 [ 4279.964007] [] ? aa_sk_perm+0x37f/0x391 [ 4279.979949] [] ? aa_sock_msg_perm+0x1b3/0x1c2 [ 4279.994671] [] inet_sendmsg+0xd8/0x191 [ 4280.011193] [] ? sock_sendmsg+0xdb/0x116 [ 4280.025532] [] ? ipv4_mib_exit_net+0x16c/0x16c [ 4280.043467] [] sock_sendmsg+0xe9/0x116 [ 4280.057461] [] ? SYSC_sendto+0x208/0x2df [ 4280.071829] [] SYSC_sendto+0x235/0x2df [ 4280.087384] [] ? SYSC_connect+0x267/0x267 [ 4280.104654] [] ? apply_to_page_range+0x3d6/0x3d6 [ 4280.120407] [] ? cpu_cgroup_can_attach+0x14d/0x14d [ 4280.140061] [] ? pick_next_task_stop+0x11c/0x12f [ 4280.157032] [] ? poll_select_set_timeout+0x111/0x1d3 [ 4280.174326] [] ? select_estimate_accuracy+0x2e6/0x2e6 [ 4280.195947] [] ? SyS_poll+0x262/0x2a1 [ 4280.208604] [] ? do_restart_poll+0x1de/0x1de [ 4280.225606] [] SyS_sendto+0x47/0x49 [ 4280.239927] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4280.256393] ================================================================================ [ 4280.646295] ================================================================================ [ 4280.690448] UBSAN: Undefined behaviour in ./include/linux/buffer_head.h:319:43 [ 4280.736889] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4280.787888] which requires 64 byte alignment [ 4280.805490] CPU: 3 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4280.851253] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4280.905751] 00000000ffffffff 0000000055d6ec5c ffff8800595c74a0 ffffffffb26ec5cc [ 4280.948960] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4280.995716] 0000000000000010 ffff8800595c74c8 ffff8800595c7478 ffffffffb363c3e0 [ 4281.041542] Call Trace: [ 4281.047498] [] dump_stack+0xd7/0x132 [ 4281.076187] [] ? arch_local_irq_restore+0x1b/0x1b [ 4281.116566] [] ubsan_epilogue+0x12/0x53 [ 4281.151559] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4281.183933] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4281.225436] [] __ext4_get_inode_loc+0x692/0xd50 [ 4281.253096] [] ext4_get_inode_loc+0x36/0x3b [ 4281.283546] [] ext4_reserve_inode_write+0x29/0x125 [ 4281.315521] [] ext4_mark_inode_dirty+0x195/0x7a3 [ 4281.347986] [] ? security_inode_init_security+0x2e7/0x32d [ 4281.386322] [] ? ext4_ext_tree_init+0xde/0xe7 [ 4281.424594] [] ? ext4_reserve_inode_write+0x125/0x125 [ 4281.460074] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4281.497658] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4281.539369] [] ext4_ext_tree_init+0xde/0xe7 [ 4281.572534] [] __ext4_new_inode+0x3051/0x34f9 [ 4281.607380] [] ? ext4_free_inode+0xa8e/0xa8e [ 4281.639740] [] ? ext4_mknod+0x43b/0x43b [ 4281.667504] [] ? __dquot_initialize+0x63f/0x685 [ 4281.696199] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4281.742536] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4281.784110] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4281.830156] [] ext4_create+0x20b/0x43b [ 4281.860391] [] ? ext4_mknod+0x43b/0x43b [ 4281.891533] [] ? ext4_mknod+0x43b/0x43b [ 4281.924582] [] path_openat+0x1805/0x2525 [ 4281.962481] [] ? qlink_to_cache+0xc/0x87 [ 4281.989956] [] ? may_open+0x1c0/0x1c0 [ 4282.020098] [] ? deactivate_slab+0x53d/0x566 [ 4282.047758] [] ? getname_flags+0x4f/0x2e0 [ 4282.079366] [] ? init_object+0x1d6/0x1e2 [ 4282.107382] [] ? expand_files+0x68a/0x6d7 [ 4282.138053] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4282.182286] [] do_filp_open+0xe2/0x18c [ 4282.207707] [] ? path_openat+0x2525/0x2525 [ 4282.241442] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 4282.271405] [] ? __alloc_fd+0x43d/0x47f [ 4282.299138] [] ? exit_files+0xaa/0xaa [ 4282.326570] [] do_sys_open+0xf5/0x342 [ 4282.350617] [] ? do_sys_open+0xf5/0x342 [ 4282.380848] [] ? filp_open+0x68/0x68 [ 4282.416595] [] ? finish_open+0x158/0x158 [ 4282.448880] [] SyS_open+0x32/0x39 [ 4282.489490] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4282.523774] ================================================================================ [ 4282.584898] ================================================================================ [ 4282.643893] UBSAN: Undefined behaviour in ./include/linux/buffer_head.h:319:9 [ 4282.685710] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4282.735467] which requires 64 byte alignment [ 4282.763642] CPU: 3 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4282.807497] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4282.865740] 00000000ffffffff 0000000055d6ec5c ffff8800595c74a0 ffffffffb26ec5cc [ 4282.914372] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4282.959826] ffff880000000010 ffff8800595c74c8 ffff8800595c7478 ffffffffb363c3e0 [ 4282.997148] Call Trace: [ 4283.015556] [] dump_stack+0xd7/0x132 [ 4283.048422] [] ? arch_local_irq_restore+0x1b/0x1b [ 4283.084371] [] ubsan_epilogue+0x12/0x53 [ 4283.111202] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4283.152994] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4283.189230] [] __ext4_get_inode_loc+0x6b8/0xd50 [ 4283.231325] [] ext4_get_inode_loc+0x36/0x3b [ 4283.265306] [] ext4_reserve_inode_write+0x29/0x125 [ 4283.313156] [] ext4_mark_inode_dirty+0x195/0x7a3 [ 4283.355865] [] ? security_inode_init_security+0x2e7/0x32d [ 4283.396812] [] ? ext4_ext_tree_init+0xde/0xe7 [ 4283.446478] [] ? ext4_reserve_inode_write+0x125/0x125 [ 4283.489109] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4283.550490] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4283.611697] [] ext4_ext_tree_init+0xde/0xe7 [ 4283.652099] [] __ext4_new_inode+0x3051/0x34f9 [ 4283.696880] [] ? ext4_free_inode+0xa8e/0xa8e [ 4283.732274] [] ? ext4_mknod+0x43b/0x43b [ 4283.765356] [] ? __dquot_initialize+0x63f/0x685 [ 4283.827639] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4283.899728] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4283.938817] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4283.981066] [] ext4_create+0x20b/0x43b [ 4284.012219] [] ? ext4_mknod+0x43b/0x43b [ 4284.044370] [] ? ext4_mknod+0x43b/0x43b [ 4284.070940] [] path_openat+0x1805/0x2525 [ 4284.107394] [] ? qlink_to_cache+0xc/0x87 [ 4284.143549] [] ? may_open+0x1c0/0x1c0 [ 4284.172418] [] ? deactivate_slab+0x53d/0x566 [ 4284.208405] [] ? getname_flags+0x4f/0x2e0 [ 4284.243523] [] ? init_object+0x1d6/0x1e2 [ 4284.270876] [] ? expand_files+0x68a/0x6d7 [ 4284.305521] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4284.345258] [] do_filp_open+0xe2/0x18c [ 4284.380098] [] ? path_openat+0x2525/0x2525 [ 4284.412551] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 4284.458806] [] ? __alloc_fd+0x43d/0x47f [ 4284.485353] [] ? exit_files+0xaa/0xaa [ 4284.524603] [] do_sys_open+0xf5/0x342 [ 4284.556986] [] ? do_sys_open+0xf5/0x342 [ 4284.593740] [] ? filp_open+0x68/0x68 [ 4284.630980] [] ? finish_open+0x158/0x158 [ 4284.657603] [] SyS_open+0x32/0x39 [ 4284.700995] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4284.753238] ================================================================================ [ 4284.834839] ================================================================================ [ 4284.889603] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:3064:20 [ 4284.948307] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4285.002349] which requires 64 byte alignment [ 4285.035446] CPU: 1 PID: 1574 Comm: bootlogs Tainted: G L 4.8.11 #1 [ 4285.088798] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4285.153235] 00000000ffffffff 000000001f8f5181 ffff8800a16b74a8 ffffffffb26ec5cc [ 4285.210672] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4285.264647] ffff880000000010 ffff8800a16b74d0 ffff8800a16b7480 ffffffffb363c3e0 [ 4285.319697] Call Trace: [ 4285.335755] [] dump_stack+0xd7/0x132 [ 4285.372612] [] ? arch_local_irq_restore+0x1b/0x1b [ 4285.419149] [] ubsan_epilogue+0x12/0x53 [ 4285.455823] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4285.504091] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4285.550076] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4285.605754] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4285.667864] [] ext4_mb_normalize_request.constprop.16+0x227/0x1407 [ 4285.715056] [] ? ext4_mb_use_preallocated.constprop.15+0x8c0/0x8d1 [ 4285.761515] [] ext4_mb_new_blocks+0x8de/0x209c [ 4285.802292] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4285.846579] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4285.888951] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 4285.928942] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4285.967399] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4286.010125] [] ? find_get_entry+0x104/0x104 [ 4286.045418] [] ? __put_compound_page+0x77/0x77 [ 4286.082620] [] ? lru_add_drain_cpu+0x310/0x31c [ 4286.128398] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4286.168830] [] ext4_map_blocks+0x815/0xef8 [ 4286.208974] [] ? ext4_issue_zeroout+0x182/0x182 [ 4286.246271] [] ext4_writepages+0xab5/0x1c84 [ 4286.275405] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4286.313058] [] ? wb_get+0xde/0x11f [ 4286.345631] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 4286.389290] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4286.431590] [] do_writepages+0xe5/0x10c [ 4286.468433] [] ? do_writepages+0xe5/0x10c [ 4286.511292] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 4286.564038] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 4286.618139] [] ? replace_page_cache_page+0x235/0x235 [ 4286.648703] [] ? ext4_file_write_iter+0xd10/0xd10 [ 4286.686869] [] filemap_flush+0x2a/0x2c [ 4286.722395] [] ext4_alloc_da_blocks+0xf4/0x187 [ 4286.760171] [] ? ext4_release_file+0x49/0x260 [ 4286.806778] [] ext4_release_file+0x64/0x260 [ 4286.846761] [] __fput+0x38b/0x68b [ 4286.879485] [] ____fput+0x1c/0x1e [ 4286.910992] [] task_work_run+0x11e/0x140 [ 4286.944726] [] prepare_exit_to_usermode+0x177/0x1d9 [ 4286.991517] [] syscall_return_slowpath+0x1b4/0x247 [ 4287.022868] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 4287.065376] ================================================================================ [ 4287.114155] ================================================================================ [ 4287.181503] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4287.220908] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4287.282107] which requires 64 byte alignment [ 4287.301495] CPU: 2 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4287.349609] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4287.423068] 00000000ffffffff 0000000055d6ec5c ffff8800595c7c50 ffffffffb26ec5cc [ 4287.470359] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4287.521727] ffff880000000010 ffff8800595c7c78 ffff8800595c7c28 ffffffffb363c3e0 [ 4287.577530] Call Trace: [ 4287.592006] [] dump_stack+0xd7/0x132 [ 4287.620338] [] ? arch_local_irq_restore+0x1b/0x1b [ 4287.659370] [] ubsan_epilogue+0x12/0x53 [ 4287.731051] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4287.784867] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4287.832234] [] ext4_mkdir+0x1c1/0x802 [ 4287.867258] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4287.906334] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4287.951933] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4287.992445] [] vfs_mkdir+0x17f/0x259 [ 4288.028636] [] SYSC_mkdirat+0x1a1/0x222 [ 4288.070206] [] ? SYSC_mknodat+0x3db/0x3db [ 4288.108576] [] SyS_mkdir+0x27/0x2c [ 4288.149437] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4288.194491] ================================================================================ [ 4288.251095] ================================================================================ [ 4288.319911] UBSAN: Undefined behaviour in fs/ext4/namei.c:2643:13 [ 4288.376396] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4288.441625] which requires 64 byte alignment [ 4288.471641] CPU: 2 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4288.516361] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4288.579295] 00000000ffffffff 0000000055d6ec5c ffff8800595c7c50 ffffffffb26ec5cc [ 4288.631005] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4288.676105] ffff880000000010 ffff8800595c7c78 ffff8800595c7c28 ffffffffb363c3e0 [ 4288.718541] Call Trace: [ 4288.728960] [] dump_stack+0xd7/0x132 [ 4288.761311] [] ? arch_local_irq_restore+0x1b/0x1b [ 4288.811257] [] ubsan_epilogue+0x12/0x53 [ 4288.844650] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4288.889707] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4288.944907] [] ext4_mkdir+0x1f0/0x802 [ 4288.981566] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4289.014693] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4289.064536] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4289.105564] [] vfs_mkdir+0x17f/0x259 [ 4289.139076] [] SYSC_mkdirat+0x1a1/0x222 [ 4289.173156] [] ? SYSC_mknodat+0x3db/0x3db [ 4289.210295] [] SyS_mkdir+0x27/0x2c [ 4289.243930] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4289.283819] ================================================================================ [ 4289.338037] ================================================================================ [ 4289.396995] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:3068:34 [ 4289.435896] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4289.498173] which requires 64 byte alignment [ 4289.530656] CPU: 1 PID: 1574 Comm: bootlogs Tainted: G L 4.8.11 #1 [ 4289.577525] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4289.650049] 00000000ffffffff 000000001f8f5181 ffff8800a16b74a8 ffffffffb26ec5cc [ 4289.701094] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4289.746199] ffff880000000010 ffff8800a16b74d0 ffff8800a16b7480 ffffffffb363c3e0 [ 4289.787135] Call Trace: [ 4289.799155] [] dump_stack+0xd7/0x132 [ 4289.829384] [] ? arch_local_irq_restore+0x1b/0x1b [ 4289.871668] [] ubsan_epilogue+0x12/0x53 [ 4289.900822] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4289.951359] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4290.003408] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4290.048462] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4290.088588] [] ext4_mb_normalize_request.constprop.16+0x27d/0x1407 [ 4290.143849] [] ? ext4_mb_use_preallocated.constprop.15+0x8c0/0x8d1 [ 4290.204925] [] ext4_mb_new_blocks+0x8de/0x209c [ 4290.244237] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4290.295723] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4290.336832] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 4290.384375] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4290.420896] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4290.467779] [] ? find_get_entry+0x104/0x104 [ 4290.507187] [] ? __put_compound_page+0x77/0x77 [ 4290.541515] [] ? lru_add_drain_cpu+0x310/0x31c [ 4290.586869] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4290.634115] [] ext4_map_blocks+0x815/0xef8 [ 4290.676131] [] ? ext4_issue_zeroout+0x182/0x182 [ 4290.715539] [] ext4_writepages+0xab5/0x1c84 [ 4290.762024] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4290.802880] [] ? wb_get+0xde/0x11f [ 4290.834709] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 4290.883194] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4290.923910] [] do_writepages+0xe5/0x10c [ 4290.956409] [] ? do_writepages+0xe5/0x10c [ 4290.991543] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 4291.032628] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 4291.099570] [] ? replace_page_cache_page+0x235/0x235 [ 4291.140702] [] ? ext4_file_write_iter+0xd10/0xd10 [ 4291.187869] [] filemap_flush+0x2a/0x2c [ 4291.227775] [] ext4_alloc_da_blocks+0xf4/0x187 [ 4291.277671] [] ? ext4_release_file+0x49/0x260 [ 4291.312784] [] ext4_release_file+0x64/0x260 [ 4291.359100] [] __fput+0x38b/0x68b [ 4291.386142] [] ____fput+0x1c/0x1e [ 4291.419707] [] task_work_run+0x11e/0x140 [ 4291.449487] [] prepare_exit_to_usermode+0x177/0x1d9 [ 4291.489014] [] syscall_return_slowpath+0x1b4/0x247 [ 4291.522578] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 4291.559174] ================================================================================ [ 4291.606154] ================================================================================ [ 4291.651004] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4291.687456] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4291.739348] which requires 64 byte alignment [ 4291.767032] CPU: 2 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4291.819221] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4291.882249] 00000000ffffffff 0000000055d6ec5c ffff8800595c7880 ffffffffb26ec5cc [ 4291.927378] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4291.977550] ffff880000000010 ffff8800595c78a8 ffff8800595c7858 ffffffffb363c3e0 [ 4292.015116] Call Trace: [ 4292.032114] [] dump_stack+0xd7/0x132 [ 4292.053488] [] ? arch_local_irq_restore+0x1b/0x1b [ 4292.097721] [] ubsan_epilogue+0x12/0x53 [ 4292.131417] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4292.166638] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4292.209722] [] find_group_orlov+0x11e/0xf57 [ 4292.236711] [] ? get_orlov_stats.part.4+0x151/0x151 [ 4292.277284] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4292.312957] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4292.358232] [] ? map_id_down+0x11c/0x12b [ 4292.386876] [] __ext4_new_inode+0x101b/0x34f9 [ 4292.424088] [] ? ext4_free_inode+0xa8e/0xa8e [ 4292.458590] [] ? ubsan_epilogue+0x26/0x53 [ 4292.490382] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4292.530236] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4292.578400] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4292.617361] [] ext4_mkdir+0x2b4/0x802 [ 4292.643299] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4292.681537] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4292.720633] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4292.761343] [] vfs_mkdir+0x17f/0x259 [ 4292.791574] [] SYSC_mkdirat+0x1a1/0x222 [ 4292.820106] [] ? SYSC_mknodat+0x3db/0x3db [ 4292.850769] [] SyS_mkdir+0x27/0x2c [ 4292.881292] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4292.920316] ================================================================================ [ 4292.966456] ================================================================================ [ 4293.010576] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4293.049681] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4293.102834] which requires 64 byte alignment [ 4293.125982] CPU: 1 PID: 1574 Comm: bootlogs Tainted: G L 4.8.11 #1 [ 4293.167087] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4293.223748] 00000000ffffffff 000000001f8f5181 ffff8800a16b74a8 ffffffffb26ec5cc [ 4293.264187] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4293.307714] ffff880000000010 ffff8800a16b74d0 ffff8800a16b7480 ffffffffb363c3e0 [ 4293.362010] Call Trace: [ 4293.374268] [] dump_stack+0xd7/0x132 [ 4293.402225] [] ? arch_local_irq_restore+0x1b/0x1b [ 4293.444474] [] ubsan_epilogue+0x12/0x53 [ 4293.475791] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4293.515219] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4293.554431] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4293.594523] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4293.646850] [] ext4_mb_normalize_request.constprop.16+0x1101/0x1407 [ 4293.692736] [] ext4_mb_new_blocks+0x8de/0x209c [ 4293.731416] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4293.777465] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4293.827659] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 4293.865330] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4293.910088] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4293.949203] [] ? find_get_entry+0x104/0x104 [ 4293.987570] [] ? __put_compound_page+0x77/0x77 [ 4294.028327] [] ? lru_add_drain_cpu+0x310/0x31c [ 4294.059556] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4294.101137] [] ext4_map_blocks+0x815/0xef8 [ 4294.132474] [] ? ext4_issue_zeroout+0x182/0x182 [ 4294.184160] [] ext4_writepages+0xab5/0x1c84 [ 4294.227956] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4294.277555] [] ? wb_get+0xde/0x11f [ 4294.310777] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 4294.351830] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4294.395235] [] do_writepages+0xe5/0x10c [ 4294.429195] [] ? do_writepages+0xe5/0x10c [ 4294.468623] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 4294.515803] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 4294.553190] [] ? replace_page_cache_page+0x235/0x235 [ 4294.593032] [] ? ext4_file_write_iter+0xd10/0xd10 [ 4294.634579] [] filemap_flush+0x2a/0x2c [ 4294.671297] [] ext4_alloc_da_blocks+0xf4/0x187 [ 4294.742294] [] ? ext4_release_file+0x49/0x260 [ 4294.778696] [] ext4_release_file+0x64/0x260 [ 4294.827551] [] __fput+0x38b/0x68b [ 4294.852710] [] ____fput+0x1c/0x1e [ 4294.886774] [] task_work_run+0x11e/0x140 [ 4294.918942] [] prepare_exit_to_usermode+0x177/0x1d9 [ 4294.954929] [] syscall_return_slowpath+0x1b4/0x247 [ 4294.996407] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 4295.037174] ================================================================================ [ 4295.124157] ================================================================================ [ 4295.187227] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:3191:2 [ 4295.224605] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4295.282147] which requires 64 byte alignment [ 4295.303906] CPU: 1 PID: 1574 Comm: bootlogs Tainted: G L 4.8.11 #1 [ 4295.348074] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4295.406645] 00000000ffffffff 000000001f8f5181 ffff8800a16b74a8 ffffffffb26ec5cc [ 4295.450406] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4295.491794] ffffffff00000010 ffff8800a16b74d0 ffff8800a16b7480 ffffffffb363c3e0 [ 4295.531430] Call Trace: [ 4295.546713] [] dump_stack+0xd7/0x132 [ 4295.578478] [] ? arch_local_irq_restore+0x1b/0x1b [ 4295.613416] [] ubsan_epilogue+0x12/0x53 [ 4295.644456] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4295.684555] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4295.724029] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4295.766152] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4295.812503] [] ext4_mb_normalize_request.constprop.16+0x112d/0x1407 [ 4295.853125] [] ext4_mb_new_blocks+0x8de/0x209c [ 4295.885768] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4295.942624] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4295.973043] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 4296.017515] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4296.052852] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4296.094884] [] ? find_get_entry+0x104/0x104 [ 4296.127628] [] ? __put_compound_page+0x77/0x77 [ 4296.161087] [] ? lru_add_drain_cpu+0x310/0x31c [ 4296.192678] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4296.235533] [] ext4_map_blocks+0x815/0xef8 [ 4296.264986] [] ? ext4_issue_zeroout+0x182/0x182 [ 4296.313998] [] ext4_writepages+0xab5/0x1c84 [ 4296.359064] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4296.395195] [] ? wb_get+0xde/0x11f [ 4296.421704] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 4296.464543] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4296.498665] [] do_writepages+0xe5/0x10c [ 4296.521719] [] ? do_writepages+0xe5/0x10c [ 4296.555018] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 4296.594567] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 4296.633466] [] ? replace_page_cache_page+0x235/0x235 [ 4296.677188] [] ? ext4_file_write_iter+0xd10/0xd10 [ 4296.711343] [] filemap_flush+0x2a/0x2c [ 4296.740749] [] ext4_alloc_da_blocks+0xf4/0x187 [ 4296.783713] [] ? ext4_release_file+0x49/0x260 [ 4296.813271] [] ext4_release_file+0x64/0x260 [ 4296.853694] [] __fput+0x38b/0x68b [ 4296.883275] [] ____fput+0x1c/0x1e [ 4296.909003] [] task_work_run+0x11e/0x140 [ 4296.946491] [] prepare_exit_to_usermode+0x177/0x1d9 [ 4296.981242] [] syscall_return_slowpath+0x1b4/0x247 [ 4297.020148] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 4297.058784] ================================================================================ [ 4297.110025] ================================================================================ [ 4297.150527] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4297.186311] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4297.233702] which requires 64 byte alignment [ 4297.262302] CPU: 2 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4297.303787] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4297.364388] 00000000ffffffff 0000000055d6ec5c ffff8800595c7880 ffffffffb26ec5cc [ 4297.413496] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4297.461110] ffff880000000010 ffff8800595c78a8 ffff8800595c7858 ffffffffb363c3e0 [ 4297.496827] Call Trace: [ 4297.509249] [] dump_stack+0xd7/0x132 [ 4297.544576] [] ? arch_local_irq_restore+0x1b/0x1b [ 4297.583062] [] ubsan_epilogue+0x12/0x53 [ 4297.616185] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4297.650818] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4297.688427] [] find_group_orlov+0x155/0xf57 [ 4297.719183] [] ? get_orlov_stats.part.4+0x151/0x151 [ 4297.759776] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4297.802735] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4297.844709] [] ? map_id_down+0x11c/0x12b [ 4297.881167] [] __ext4_new_inode+0x101b/0x34f9 [ 4297.918606] [] ? ext4_free_inode+0xa8e/0xa8e [ 4297.949050] [] ? ubsan_epilogue+0x26/0x53 [ 4297.983734] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4298.023302] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4298.062751] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4298.103648] [] ext4_mkdir+0x2b4/0x802 [ 4298.142168] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4298.190132] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4298.234767] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4298.286020] [] vfs_mkdir+0x17f/0x259 [ 4298.316724] [] SYSC_mkdirat+0x1a1/0x222 [ 4298.343939] [] ? SYSC_mknodat+0x3db/0x3db [ 4298.373280] [] SyS_mkdir+0x27/0x2c [ 4298.404622] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4298.439258] ================================================================================ [ 4298.484567] ================================================================================ [ 4298.537281] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:3198:23 [ 4298.568143] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4298.620707] which requires 64 byte alignment [ 4298.644759] CPU: 1 PID: 1574 Comm: bootlogs Tainted: G L 4.8.11 #1 [ 4298.685941] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4298.739627] 00000000ffffffff 000000001f8f5181 ffff8800a16b74a8 ffffffffb26ec5cc [ 4298.784494] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4298.830944] ffff880000000010 ffff8800a16b74d0 ffff8800a16b7480 ffffffffb363c3e0 [ 4298.872644] Call Trace: [ 4298.890605] [] dump_stack+0xd7/0x132 [ 4298.918203] [] ? arch_local_irq_restore+0x1b/0x1b [ 4298.958044] [] ubsan_epilogue+0x12/0x53 [ 4298.981496] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4299.020912] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4299.064957] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4299.104911] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4299.146282] [] ext4_mb_normalize_request.constprop.16+0x1198/0x1407 [ 4299.190407] [] ext4_mb_new_blocks+0x8de/0x209c [ 4299.230044] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4299.267862] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4299.310683] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 4299.348817] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4299.391253] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4299.431734] [] ? find_get_entry+0x104/0x104 [ 4299.460947] [] ? __put_compound_page+0x77/0x77 [ 4299.496632] [] ? lru_add_drain_cpu+0x310/0x31c [ 4299.530199] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4299.574344] [] ext4_map_blocks+0x815/0xef8 [ 4299.607894] [] ? ext4_issue_zeroout+0x182/0x182 [ 4299.646174] [] ext4_writepages+0xab5/0x1c84 [ 4299.680828] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4299.721935] [] ? wb_get+0xde/0x11f [ 4299.756193] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 4299.799286] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4299.836020] [] do_writepages+0xe5/0x10c [ 4299.868822] [] ? do_writepages+0xe5/0x10c [ 4299.901139] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 4299.947506] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 4299.987065] [] ? replace_page_cache_page+0x235/0x235 [ 4300.026738] [] ? ext4_file_write_iter+0xd10/0xd10 [ 4300.062466] [] filemap_flush+0x2a/0x2c [ 4300.087986] [] ext4_alloc_da_blocks+0xf4/0x187 [ 4300.120267] [] ? ext4_release_file+0x49/0x260 [ 4300.159402] [] ext4_release_file+0x64/0x260 [ 4300.198171] [] __fput+0x38b/0x68b [ 4300.223214] [] ____fput+0x1c/0x1e [ 4300.249621] [] task_work_run+0x11e/0x140 [ 4300.279945] [] prepare_exit_to_usermode+0x177/0x1d9 [ 4300.337785] [] syscall_return_slowpath+0x1b4/0x247 [ 4300.376859] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 4300.414648] ================================================================================ [ 4300.461996] ================================================================================ [ 4300.514095] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2827:15 [ 4300.552406] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4300.601417] which requires 64 byte alignment [ 4300.630740] CPU: 2 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4300.663792] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4300.717502] 00000000ffffffff 0000000055d6ec5c ffff8800595c7880 ffffffffb26ec5cc [ 4300.762739] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4300.804315] ffff880000000010 ffff8800595c78a8 ffff8800595c7858 ffffffffb363c3e0 [ 4300.848459] Call Trace: [ 4300.864933] [] dump_stack+0xd7/0x132 [ 4300.899110] [] ? arch_local_irq_restore+0x1b/0x1b [ 4300.937213] [] ubsan_epilogue+0x12/0x53 [ 4300.967197] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4301.005418] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4301.046592] [] find_group_orlov+0x16e/0xf57 [ 4301.074317] [] ? get_orlov_stats.part.4+0x151/0x151 [ 4301.114084] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4301.154303] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4301.184209] [] ? map_id_down+0x11c/0x12b [ 4301.213493] [] __ext4_new_inode+0x101b/0x34f9 [ 4301.255255] [] ? ext4_free_inode+0xa8e/0xa8e [ 4301.288034] [] ? ubsan_epilogue+0x26/0x53 [ 4301.389264] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4301.518491] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4301.567151] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4301.613167] [] ext4_mkdir+0x2b4/0x802 [ 4301.646443] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4301.677334] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4301.726151] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4301.768910] [] vfs_mkdir+0x17f/0x259 [ 4301.804211] [] SYSC_mkdirat+0x1a1/0x222 [ 4301.837224] [] ? SYSC_mknodat+0x3db/0x3db [ 4301.868753] [] SyS_mkdir+0x27/0x2c [ 4301.900117] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4301.935371] ================================================================================ [ 4301.998987] ================================================================================ [ 4302.088092] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4302.129255] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4302.182709] which requires 64 byte alignment [ 4302.208363] CPU: 2 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4302.252635] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4302.307058] 00000000ffffffff 0000000055d6ec5c ffff8800595c7880 ffffffffb26ec5cc [ 4302.354663] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4302.394681] ffff880000000010 ffff8800595c78a8 ffff8800595c7858 ffffffffb363c3e0 [ 4302.443041] Call Trace: [ 4302.456092] [] dump_stack+0xd7/0x132 [ 4302.483981] [] ? arch_local_irq_restore+0x1b/0x1b [ 4302.525353] [] ubsan_epilogue+0x12/0x53 [ 4302.571582] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4302.615984] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4302.662259] [] find_group_orlov+0x19a/0xf57 [ 4302.707679] [] ? get_orlov_stats.part.4+0x151/0x151 [ 4302.749738] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4302.795591] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4302.836060] [] ? map_id_down+0x11c/0x12b [ 4302.869421] [] __ext4_new_inode+0x101b/0x34f9 [ 4302.906556] [] ? ext4_free_inode+0xa8e/0xa8e [ 4302.934646] [] ? ubsan_epilogue+0x26/0x53 [ 4302.967546] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4303.014995] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4303.055423] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4303.095660] [] ext4_mkdir+0x2b4/0x802 [ 4303.120950] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4303.156500] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4303.195822] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4303.238724] [] vfs_mkdir+0x17f/0x259 [ 4303.271616] [] SYSC_mkdirat+0x1a1/0x222 [ 4303.303281] [] ? SYSC_mknodat+0x3db/0x3db [ 4303.334454] [] SyS_mkdir+0x27/0x2c [ 4303.356784] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4303.398326] ================================================================================ [ 4303.449338] ================================================================================ [ 4303.492835] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:450:25 [ 4303.536566] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4303.584743] which requires 64 byte alignment [ 4303.612284] CPU: 2 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4303.657013] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4303.714598] 00000000ffffffff 0000000055d6ec5c ffff8800595c7880 ffffffffb26ec5cc [ 4303.760294] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4303.808321] ffff880000000010 ffff8800595c78a8 ffff8800595c7858 ffffffffb363c3e0 [ 4303.851013] Call Trace: [ 4303.863724] [] dump_stack+0xd7/0x132 [ 4303.893258] [] ? arch_local_irq_restore+0x1b/0x1b [ 4303.936641] [] ubsan_epilogue+0x12/0x53 [ 4303.967256] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4304.004721] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4304.043918] [] find_group_orlov+0x1bb/0xf57 [ 4304.072836] [] ? get_orlov_stats.part.4+0x151/0x151 [ 4304.115912] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4304.159880] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4304.197565] [] ? map_id_down+0x11c/0x12b [ 4304.229449] [] __ext4_new_inode+0x101b/0x34f9 [ 4304.266449] [] ? ext4_free_inode+0xa8e/0xa8e [ 4304.301094] [] ? ubsan_epilogue+0x26/0x53 [ 4304.331456] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4304.374790] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4304.420831] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4304.462448] [] ext4_mkdir+0x2b4/0x802 [ 4304.493034] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4304.529640] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4304.566800] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4304.607061] [] vfs_mkdir+0x17f/0x259 [ 4304.642690] [] SYSC_mkdirat+0x1a1/0x222 [ 4304.672153] [] ? SYSC_mknodat+0x3db/0x3db [ 4304.703887] [] SyS_mkdir+0x27/0x2c [ 4304.734253] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4304.767649] ================================================================================ [ 4304.812108] ================================================================================ [ 4304.858430] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:3198:23 [ 4304.894449] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4304.937722] which requires 64 byte alignment [ 4304.966318] CPU: 1 PID: 1574 Comm: bootlogs Tainted: G L 4.8.11 #1 [ 4305.002596] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4305.058245] 00000000ffffffff 000000001f8f5181 ffff8800a16b74a8 ffffffffb26ec5cc [ 4305.103674] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4305.150284] ffff880000000010 ffff8800a16b74d0 ffff8800a16b7480 ffffffffb363c3e0 [ 4305.192403] Call Trace: [ 4305.207094] [] dump_stack+0xd7/0x132 [ 4305.232418] [] ? arch_local_irq_restore+0x1b/0x1b [ 4305.266934] [] ubsan_epilogue+0x12/0x53 [ 4305.300649] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4305.342815] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4305.385122] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4305.429261] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4305.472769] [] ext4_mb_normalize_request.constprop.16+0x11ce/0x1407 [ 4305.515427] [] ext4_mb_new_blocks+0x8de/0x209c [ 4305.547103] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4305.581475] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4305.622485] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 4305.656786] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4305.697292] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4305.728283] [] ? find_get_entry+0x104/0x104 [ 4305.762962] [] ? __put_compound_page+0x77/0x77 [ 4305.799702] [] ? lru_add_drain_cpu+0x310/0x31c [ 4305.837178] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4305.882592] [] ext4_map_blocks+0x815/0xef8 [ 4305.911415] [] ? ext4_issue_zeroout+0x182/0x182 [ 4305.952492] [] ext4_writepages+0xab5/0x1c84 [ 4305.987450] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4306.029118] [] ? wb_get+0xde/0x11f [ 4306.052086] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 4306.089292] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4306.130712] [] do_writepages+0xe5/0x10c [ 4306.155595] [] ? do_writepages+0xe5/0x10c [ 4306.193449] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 4306.230776] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 4306.269683] [] ? replace_page_cache_page+0x235/0x235 [ 4306.300902] [] ? ext4_file_write_iter+0xd10/0xd10 [ 4306.332882] [] filemap_flush+0x2a/0x2c [ 4306.366430] [] ext4_alloc_da_blocks+0xf4/0x187 [ 4306.399384] [] ? ext4_release_file+0x49/0x260 [ 4306.432261] [] ext4_release_file+0x64/0x260 [ 4306.468937] [] __fput+0x38b/0x68b [ 4306.501399] [] ____fput+0x1c/0x1e [ 4306.533935] [] task_work_run+0x11e/0x140 [ 4306.566469] [] prepare_exit_to_usermode+0x177/0x1d9 [ 4306.603564] [] syscall_return_slowpath+0x1b4/0x247 [ 4306.639700] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 4306.669165] ================================================================================ [ 4306.720185] ================================================================================ [ 4306.769587] UBSAN: Undefined behaviour in fs/ext4/ext4.h:2841:17 [ 4306.804611] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4306.854548] which requires 64 byte alignment [ 4306.874933] CPU: 2 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4306.912757] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4306.969298] 00000000ffffffff 0000000055d6ec5c ffff8800595c7880 ffffffffb26ec5cc [ 4307.018259] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4307.062101] ffff880000000010 ffff8800595c78a8 ffff8800595c7858 ffffffffb363c3e0 [ 4307.103170] Call Trace: [ 4307.112902] [] dump_stack+0xd7/0x132 [ 4307.147204] [] ? arch_local_irq_restore+0x1b/0x1b [ 4307.182515] [] ubsan_epilogue+0x12/0x53 [ 4307.209351] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4307.252551] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4307.290890] [] find_group_orlov+0x1f6/0xf57 [ 4307.319802] [] ? get_orlov_stats.part.4+0x151/0x151 [ 4307.352504] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4307.392134] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4307.436966] [] ? map_id_down+0x11c/0x12b [ 4307.469095] [] __ext4_new_inode+0x101b/0x34f9 [ 4307.505703] [] ? ext4_free_inode+0xa8e/0xa8e [ 4307.537022] [] ? ubsan_epilogue+0x26/0x53 [ 4307.573611] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4307.619425] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4307.655909] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4307.689719] [] ext4_mkdir+0x2b4/0x802 [ 4307.721996] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4307.758189] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4307.795923] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4307.835387] [] vfs_mkdir+0x17f/0x259 [ 4307.871549] [] SYSC_mkdirat+0x1a1/0x222 [ 4307.900164] [] ? SYSC_mknodat+0x3db/0x3db [ 4307.929469] [] SyS_mkdir+0x27/0x2c [ 4307.960170] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4307.997719] ================================================================================ [ 4308.041276] ================================================================================ [ 4308.084439] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2152:29 [ 4308.130321] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4308.173490] which requires 64 byte alignment [ 4308.203846] CPU: 1 PID: 1574 Comm: bootlogs Tainted: G L 4.8.11 #1 [ 4308.251861] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4308.302833] 00000000ffffffff 000000001f8f5181 ffff8800a16b7440 ffffffffb26ec5cc [ 4308.344657] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4308.388503] ffff880000000010 ffff8800a16b7468 ffff8800a16b7418 ffffffffb363c3e0 [ 4308.427918] Call Trace: [ 4308.440550] [] dump_stack+0xd7/0x132 [ 4308.473953] [] ? arch_local_irq_restore+0x1b/0x1b [ 4308.504407] [] ubsan_epilogue+0x12/0x53 [ 4308.535000] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4308.571874] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4308.612899] [] ext4_mb_regular_allocator+0x3ee/0xa37 [ 4308.649064] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 4308.685591] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 4308.730826] [] ext4_mb_new_blocks+0x8eb/0x209c [ 4308.766263] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4308.802820] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4308.843751] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 4308.886306] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4308.923061] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4308.965050] [] ? find_get_entry+0x104/0x104 [ 4308.988574] [] ? __put_compound_page+0x77/0x77 [ 4309.028959] [] ? lru_add_drain_cpu+0x310/0x31c [ 4309.064862] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4309.113994] [] ext4_map_blocks+0x815/0xef8 [ 4309.141340] [] ? ext4_issue_zeroout+0x182/0x182 [ 4309.179619] [] ext4_writepages+0xab5/0x1c84 [ 4309.214875] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4309.252972] [] ? wb_get+0xde/0x11f [ 4309.282860] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 4309.323485] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4309.360126] [] do_writepages+0xe5/0x10c [ 4309.392383] [] ? do_writepages+0xe5/0x10c [ 4309.431335] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 4309.468104] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 4309.504983] [] ? replace_page_cache_page+0x235/0x235 [ 4309.544724] [] ? ext4_file_write_iter+0xd10/0xd10 [ 4309.576038] [] filemap_flush+0x2a/0x2c [ 4309.608265] [] ext4_alloc_da_blocks+0xf4/0x187 [ 4309.641502] [] ? ext4_release_file+0x49/0x260 [ 4309.672425] [] ext4_release_file+0x64/0x260 [ 4309.715653] [] __fput+0x38b/0x68b [ 4309.747052] [] ____fput+0x1c/0x1e [ 4309.775574] [] task_work_run+0x11e/0x140 [ 4309.807115] [] prepare_exit_to_usermode+0x177/0x1d9 [ 4309.849066] [] syscall_return_slowpath+0x1b4/0x247 [ 4309.882063] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 4309.917450] ================================================================================ [ 4309.969430] ================================================================================ [ 4310.024149] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:465:7 [ 4310.066096] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4310.116412] which requires 64 byte alignment [ 4310.139212] CPU: 2 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4310.186184] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4310.241154] 00000000ffffffff 0000000055d6ec5c ffff8800595c7880 ffffffffb26ec5cc [ 4310.280529] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4310.323364] ffff880000000010 ffff8800595c78a8 ffff8800595c7858 ffffffffb363c3e0 [ 4310.367036] Call Trace: [ 4310.378514] [] dump_stack+0xd7/0x132 [ 4310.408526] [] ? arch_local_irq_restore+0x1b/0x1b [ 4310.441717] [] ubsan_epilogue+0x12/0x53 [ 4310.473952] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4310.507571] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4310.548860] [] find_group_orlov+0x29e/0xf57 [ 4310.580533] [] ? get_orlov_stats.part.4+0x151/0x151 [ 4310.618561] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4310.658302] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4310.700721] [] ? map_id_down+0x11c/0x12b [ 4310.731062] [] __ext4_new_inode+0x101b/0x34f9 [ 4310.767226] [] ? ext4_free_inode+0xa8e/0xa8e [ 4310.792308] [] ? ubsan_epilogue+0x26/0x53 [ 4310.829981] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4310.864181] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4310.900472] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4310.947598] [] ext4_mkdir+0x2b4/0x802 [ 4310.974059] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4311.011988] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4311.045346] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4311.083870] [] vfs_mkdir+0x17f/0x259 [ 4311.118394] [] SYSC_mkdirat+0x1a1/0x222 [ 4311.147908] [] ? SYSC_mknodat+0x3db/0x3db [ 4311.180035] [] SyS_mkdir+0x27/0x2c [ 4311.201521] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4311.245963] ================================================================================ [ 4311.294756] ================================================================================ [ 4311.339461] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:466:23 [ 4311.375670] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4311.421398] which requires 64 byte alignment [ 4311.445307] CPU: 2 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4311.492123] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4311.549117] 00000000ffffffff 0000000055d6ec5c ffff8800595c7880 ffffffffb26ec5cc [ 4311.590571] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4311.639014] ffff880000000010 ffff8800595c78a8 ffff8800595c7858 ffffffffb363c3e0 [ 4311.681261] Call Trace: [ 4311.693716] [] dump_stack+0xd7/0x132 [ 4311.724122] [] ? arch_local_irq_restore+0x1b/0x1b [ 4311.767920] [] ubsan_epilogue+0x12/0x53 [ 4311.799032] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4311.836663] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4311.880640] [] find_group_orlov+0x300/0xf57 [ 4311.913393] [] ? get_orlov_stats.part.4+0x151/0x151 [ 4311.953916] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4311.991726] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4312.034393] [] ? map_id_down+0x11c/0x12b [ 4312.067803] [] __ext4_new_inode+0x101b/0x34f9 [ 4312.100587] [] ? ext4_free_inode+0xa8e/0xa8e [ 4312.135036] [] ? ubsan_epilogue+0x26/0x53 [ 4312.166619] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4312.206458] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4312.241764] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4312.283293] [] ext4_mkdir+0x2b4/0x802 [ 4312.315372] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4312.353983] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4312.391120] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4312.440254] [] vfs_mkdir+0x17f/0x259 [ 4312.468765] [] SYSC_mkdirat+0x1a1/0x222 [ 4312.499093] [] ? SYSC_mknodat+0x3db/0x3db [ 4312.529406] [] SyS_mkdir+0x27/0x2c [ 4312.556482] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4312.595372] ================================================================================ [ 4312.641270] ================================================================================ [ 4312.694619] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:2153:29 [ 4312.726669] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4312.783826] which requires 64 byte alignment [ 4312.807831] CPU: 1 PID: 1574 Comm: bootlogs Tainted: G L 4.8.11 #1 [ 4312.848515] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4312.906865] 00000000ffffffff 000000001f8f5181 ffff8800a16b7440 ffffffffb26ec5cc [ 4312.950865] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4312.987362] ffff880000000010 ffff8800a16b7468 ffff8800a16b7418 ffffffffb363c3e0 [ 4313.027863] Call Trace: [ 4313.042024] [] dump_stack+0xd7/0x132 [ 4313.068653] [] ? arch_local_irq_restore+0x1b/0x1b [ 4313.106100] [] ubsan_epilogue+0x12/0x53 [ 4313.134465] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4313.169547] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4313.212303] [] ext4_mb_regular_allocator+0x43d/0xa37 [ 4313.252078] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 4313.298552] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 4313.340470] [] ext4_mb_new_blocks+0x8eb/0x209c [ 4313.372550] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4313.420728] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4313.452937] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 4313.494661] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4313.531788] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4313.564009] [] ? find_get_entry+0x104/0x104 [ 4313.593198] [] ? __put_compound_page+0x77/0x77 [ 4313.629461] [] ? lru_add_drain_cpu+0x310/0x31c [ 4313.662142] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4313.702281] [] ext4_map_blocks+0x815/0xef8 [ 4313.740829] [] ? ext4_issue_zeroout+0x182/0x182 [ 4313.772623] [] ext4_writepages+0xab5/0x1c84 [ 4313.811176] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4313.849931] [] ? wb_get+0xde/0x11f [ 4313.878842] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 4313.923368] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4313.960333] [] do_writepages+0xe5/0x10c [ 4313.989569] [] ? do_writepages+0xe5/0x10c [ 4314.022690] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 4314.059390] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 4314.102405] [] ? replace_page_cache_page+0x235/0x235 [ 4314.136071] [] ? ext4_file_write_iter+0xd10/0xd10 [ 4314.173713] [] filemap_flush+0x2a/0x2c [ 4314.206067] [] ext4_alloc_da_blocks+0xf4/0x187 [ 4314.246146] [] ? ext4_release_file+0x49/0x260 [ 4314.276518] [] ext4_release_file+0x64/0x260 [ 4314.314054] [] __fput+0x38b/0x68b [ 4314.339720] [] ____fput+0x1c/0x1e [ 4314.367476] [] task_work_run+0x11e/0x140 [ 4314.403806] [] prepare_exit_to_usermode+0x177/0x1d9 [ 4314.442897] [] syscall_return_slowpath+0x1b4/0x247 [ 4314.475947] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 4314.514900] ================================================================================ [ 4314.559787] ================================================================================ [ 4314.631264] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:471:10 [ 4314.664296] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4314.715825] which requires 64 byte alignment [ 4314.742271] CPU: 2 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4314.794819] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4314.848837] 00000000ffffffff 0000000055d6ec5c ffff8800595c7880 ffffffffb26ec5cc [ 4314.899092] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4314.945543] ffff880000000010 ffff8800595c78a8 ffff8800595c7858 ffffffffb363c3e0 [ 4314.989332] Call Trace: [ 4315.004510] [] dump_stack+0xd7/0x132 [ 4315.035904] [] ? arch_local_irq_restore+0x1b/0x1b [ 4315.076406] [] ubsan_epilogue+0x12/0x53 [ 4315.108118] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4315.151114] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4315.193162] [] find_group_orlov+0x427/0xf57 [ 4315.224728] [] ? get_orlov_stats.part.4+0x151/0x151 [ 4315.261113] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4315.306904] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4315.344236] [] ? map_id_down+0x11c/0x12b [ 4315.376788] [] __ext4_new_inode+0x101b/0x34f9 [ 4315.414601] [] ? ext4_free_inode+0xa8e/0xa8e [ 4315.447116] [] ? ubsan_epilogue+0x26/0x53 [ 4315.486118] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4315.527934] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4315.569002] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4315.611456] [] ext4_mkdir+0x2b4/0x802 [ 4315.646675] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4315.681470] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4315.725314] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4315.767341] [] vfs_mkdir+0x17f/0x259 [ 4315.794861] [] SYSC_mkdirat+0x1a1/0x222 [ 4315.824121] [] ? SYSC_mknodat+0x3db/0x3db [ 4315.862348] [] SyS_mkdir+0x27/0x2c [ 4315.888958] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4315.929323] ================================================================================ [ 4315.985417] ================================================================================ [ 4316.035238] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:478:28 [ 4316.074176] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4316.120822] which requires 64 byte alignment [ 4316.146186] CPU: 2 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4316.187107] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4316.236386] 00000000ffffffff 0000000055d6ec5c ffff8800595c7880 ffffffffb26ec5cc [ 4316.281705] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4316.324505] ffff880000000010 ffff8800595c78a8 ffff8800595c7858 ffffffffb363c3e0 [ 4316.367571] Call Trace: [ 4316.386153] [] dump_stack+0xd7/0x132 [ 4316.412398] [] ? arch_local_irq_restore+0x1b/0x1b [ 4316.449167] [] ubsan_epilogue+0x12/0x53 [ 4316.482582] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4316.521346] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4316.568404] [] find_group_orlov+0x53a/0xf57 [ 4316.601510] [] ? get_orlov_stats.part.4+0x151/0x151 [ 4316.640818] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4316.675861] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4316.713701] [] ? map_id_down+0x11c/0x12b [ 4316.755890] [] __ext4_new_inode+0x101b/0x34f9 [ 4316.788522] [] ? ext4_free_inode+0xa8e/0xa8e [ 4316.816155] [] ? ubsan_epilogue+0x26/0x53 [ 4316.862034] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4316.897137] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4316.951615] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4316.994298] [] ext4_mkdir+0x2b4/0x802 [ 4317.024835] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4317.059899] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4317.098315] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4317.142363] [] vfs_mkdir+0x17f/0x259 [ 4317.168088] [] SYSC_mkdirat+0x1a1/0x222 [ 4317.203255] [] ? SYSC_mknodat+0x3db/0x3db [ 4317.236497] [] SyS_mkdir+0x27/0x2c [ 4317.271648] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4317.310850] ================================================================================ [ 4317.358096] ================================================================================ [ 4317.406223] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4317.445148] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4317.504211] which requires 64 byte alignment [ 4317.529227] CPU: 2 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4317.572062] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4317.631718] 00000000ffffffff 0000000055d6ec5c ffff8800595c7880 ffffffffb26ec5cc [ 4317.679308] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4317.724717] ffff880000000010 ffff8800595c78a8 ffff8800595c7858 ffffffffb363c3e0 [ 4317.765660] Call Trace: [ 4317.782570] [] dump_stack+0xd7/0x132 [ 4317.812103] [] ? arch_local_irq_restore+0x1b/0x1b [ 4317.848691] [] ubsan_epilogue+0x12/0x53 [ 4317.885622] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4317.926925] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4317.965383] [] find_group_orlov+0xc63/0xf57 [ 4318.001251] [] ? get_orlov_stats.part.4+0x151/0x151 [ 4318.041179] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4318.084250] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4318.124827] [] ? map_id_down+0x11c/0x12b [ 4318.153297] [] __ext4_new_inode+0x101b/0x34f9 [ 4318.193124] [] ? ext4_free_inode+0xa8e/0xa8e [ 4318.227859] [] ? ubsan_epilogue+0x26/0x53 [ 4318.259641] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4318.300730] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4318.345589] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4318.388293] [] ext4_mkdir+0x2b4/0x802 [ 4318.426615] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4318.456781] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4318.502486] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4318.539866] [] vfs_mkdir+0x17f/0x259 [ 4318.568780] [] SYSC_mkdirat+0x1a1/0x222 [ 4318.599345] [] ? SYSC_mknodat+0x3db/0x3db [ 4318.635403] [] SyS_mkdir+0x27/0x2c [ 4318.670755] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4318.704471] ================================================================================ [ 4318.756713] ================================================================================ [ 4318.810519] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:538:28 [ 4318.853662] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4318.910416] which requires 64 byte alignment [ 4318.939011] CPU: 2 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4318.975896] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4319.028387] 00000000ffffffff 0000000055d6ec5c ffff8800595c7880 ffffffffb26ec5cc [ 4319.085604] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4319.128526] ffff880000000010 ffff8800595c78a8 ffff8800595c7858 ffffffffb363c3e0 [ 4319.171222] Call Trace: [ 4319.189241] [] dump_stack+0xd7/0x132 [ 4319.218584] [] ? arch_local_irq_restore+0x1b/0x1b [ 4319.249306] [] ubsan_epilogue+0x12/0x53 [ 4319.279835] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4319.324783] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4319.370332] [] find_group_orlov+0xc77/0xf57 [ 4319.407185] [] ? get_orlov_stats.part.4+0x151/0x151 [ 4319.446125] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4319.481672] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4319.523485] [] ? map_id_down+0x11c/0x12b [ 4319.549149] [] __ext4_new_inode+0x101b/0x34f9 [ 4319.594680] [] ? ext4_free_inode+0xa8e/0xa8e [ 4319.627013] [] ? ubsan_epilogue+0x26/0x53 [ 4319.656591] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4319.696802] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4319.743005] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4319.786609] [] ext4_mkdir+0x2b4/0x802 [ 4319.809400] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4319.851993] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4319.895949] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4319.933698] [] vfs_mkdir+0x17f/0x259 [ 4319.966133] [] SYSC_mkdirat+0x1a1/0x222 [ 4319.995865] [] ? SYSC_mknodat+0x3db/0x3db [ 4320.025706] [] SyS_mkdir+0x27/0x2c [ 4320.063880] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4320.099137] ================================================================================ [ 4320.149445] ================================================================================ [ 4320.203329] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:547:24 [ 4320.239684] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4320.287565] which requires 64 byte alignment [ 4320.308437] CPU: 2 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4320.352508] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4320.400821] 00000000ffffffff 0000000055d6ec5c ffff8800595c7880 ffffffffb26ec5cc [ 4320.447283] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4320.490635] ffff880000000010 ffff8800595c78a8 ffff8800595c7858 ffffffffb363c3e0 [ 4320.534303] Call Trace: [ 4320.549360] [] dump_stack+0xd7/0x132 [ 4320.576800] [] ? arch_local_irq_restore+0x1b/0x1b [ 4320.608947] [] ubsan_epilogue+0x12/0x53 [ 4320.644367] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4320.686378] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4320.724842] [] find_group_orlov+0xcf1/0xf57 [ 4320.762738] [] ? get_orlov_stats.part.4+0x151/0x151 [ 4320.796680] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4320.841744] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4320.883828] [] ? map_id_down+0x11c/0x12b [ 4320.917975] [] __ext4_new_inode+0x101b/0x34f9 [ 4320.951203] [] ? ext4_free_inode+0xa8e/0xa8e [ 4320.991003] [] ? ubsan_epilogue+0x26/0x53 [ 4321.017201] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4321.062157] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4321.107718] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4321.146929] [] ext4_mkdir+0x2b4/0x802 [ 4321.175592] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4321.217706] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4321.262614] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4321.297648] [] vfs_mkdir+0x17f/0x259 [ 4321.331252] [] SYSC_mkdirat+0x1a1/0x222 [ 4321.364155] [] ? SYSC_mknodat+0x3db/0x3db [ 4321.396434] [] SyS_mkdir+0x27/0x2c [ 4321.426702] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4321.462253] ================================================================================ [ 4321.505062] ================================================================================ [ 4321.554405] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4321.588444] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4321.643598] which requires 64 byte alignment [ 4321.671039] CPU: 2 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4321.719786] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4321.771498] 00000000ffffffff 0000000055d6ec5c ffff8800595c7880 ffffffffb26ec5cc [ 4321.816287] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4321.867630] ffff880000000010 ffff8800595c78a8 ffff8800595c7858 ffffffffb363c3e0 [ 4321.911822] Call Trace: [ 4321.926952] [] dump_stack+0xd7/0x132 [ 4321.958797] [] ? arch_local_irq_restore+0x1b/0x1b [ 4321.992174] [] ubsan_epilogue+0x12/0x53 [ 4322.025407] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4322.064375] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4322.105687] [] find_group_orlov+0xd43/0xf57 [ 4322.137571] [] ? get_orlov_stats.part.4+0x151/0x151 [ 4322.171947] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4322.216380] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4322.259189] [] ? map_id_down+0x11c/0x12b [ 4322.292863] [] __ext4_new_inode+0x101b/0x34f9 [ 4322.331403] [] ? ext4_free_inode+0xa8e/0xa8e [ 4322.366364] [] ? ubsan_epilogue+0x26/0x53 [ 4322.397313] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4322.436361] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4322.484044] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4322.520502] [] ext4_mkdir+0x2b4/0x802 [ 4322.554584] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4322.589150] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4322.629527] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4322.671320] [] vfs_mkdir+0x17f/0x259 [ 4322.699651] [] SYSC_mkdirat+0x1a1/0x222 [ 4322.728423] [] ? SYSC_mknodat+0x3db/0x3db [ 4322.757075] [] SyS_mkdir+0x27/0x2c [ 4322.788229] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4322.831132] ================================================================================ [ 4322.872286] ================================================================================ [ 4322.924474] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:401:22 [ 4322.961178] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4323.013381] which requires 64 byte alignment [ 4323.037724] CPU: 2 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4323.078540] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4323.132921] 00000000ffffffff 0000000055d6ec5c ffff8800595c7880 ffffffffb26ec5cc [ 4323.182096] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4323.226833] ffff880000000010 ffff8800595c78a8 ffff8800595c7858 ffffffffb363c3e0 [ 4323.274651] Call Trace: [ 4323.284859] [] dump_stack+0xd7/0x132 [ 4323.318921] [] ? arch_local_irq_restore+0x1b/0x1b [ 4323.352996] [] ubsan_epilogue+0x12/0x53 [ 4323.385542] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4323.429529] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4323.478560] [] find_group_orlov+0xd57/0xf57 [ 4323.515722] [] ? get_orlov_stats.part.4+0x151/0x151 [ 4323.551205] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4323.596656] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4323.639484] [] ? map_id_down+0x11c/0x12b [ 4323.674785] [] __ext4_new_inode+0x101b/0x34f9 [ 4323.710477] [] ? ext4_free_inode+0xa8e/0xa8e [ 4323.740205] [] ? ubsan_epilogue+0x26/0x53 [ 4323.779431] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4323.820284] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4323.857570] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4323.897760] [] ext4_mkdir+0x2b4/0x802 [ 4323.931769] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4323.970353] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4324.020389] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4324.055770] [] vfs_mkdir+0x17f/0x259 [ 4324.087493] [] SYSC_mkdirat+0x1a1/0x222 [ 4324.144913] [] ? SYSC_mknodat+0x3db/0x3db [ 4324.257733] [] SyS_mkdir+0x27/0x2c [ 4324.288419] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4324.326897] ================================================================================ [ 4324.373265] ================================================================================ [ 4324.401765] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1676:24 [ 4324.424040] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4324.448287] which requires 64 byte alignment [ 4324.461081] CPU: 0 PID: 1574 Comm: bootlogs Tainted: G L 4.8.11 #1 [ 4324.480315] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4324.508967] 00000000ffffffff 000000001f8f5181 ffff8800a16b7338 ffffffffb26ec5cc [ 4324.530559] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4324.551504] ffff880000000010 ffff8800a16b7360 ffff8800a16b7310 ffffffffb363c3e0 [ 4324.576314] Call Trace: [ 4324.590371] [] dump_stack+0xd7/0x132 [ 4324.604645] [] ? arch_local_irq_restore+0x1b/0x1b [ 4324.628460] [] ubsan_epilogue+0x12/0x53 [ 4324.647104] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4324.671205] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4324.696291] [] ? mb_find_next_zero_bit+0xd6/0x114 [ 4324.715737] [] ext4_mb_use_best_found+0x378/0x3f7 [ 4324.739193] [] ext4_mb_simple_scan_group+0x387/0x4a7 [ 4324.760783] [] ? ext4_mb_find_by_goal+0x72a/0x72a [ 4324.781748] [] ? ext4_mb_good_group+0x443/0x453 [ 4324.799905] [] ext4_mb_regular_allocator+0x718/0xa37 [ 4324.823026] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 4324.848720] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 4324.875918] [] ext4_mb_new_blocks+0x8eb/0x209c [ 4324.898402] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4324.919477] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4324.947207] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 4324.971762] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4324.995760] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4325.019069] [] ? find_get_entry+0x104/0x104 [ 4325.040155] [] ? __put_compound_page+0x77/0x77 [ 4325.063499] [] ? lru_add_drain_cpu+0x310/0x31c [ 4325.084327] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4325.109613] [] ext4_map_blocks+0x815/0xef8 [ 4325.130553] [] ? ext4_issue_zeroout+0x182/0x182 [ 4325.151885] [] ext4_writepages+0xab5/0x1c84 [ 4325.170939] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4325.193623] [] ? wb_get+0xde/0x11f [ 4325.212069] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 4325.236177] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4325.259900] [] do_writepages+0xe5/0x10c [ 4325.276760] [] ? do_writepages+0xe5/0x10c [ 4325.298194] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 4325.320721] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 4325.346284] [] ? replace_page_cache_page+0x235/0x235 [ 4325.367853] [] ? ext4_file_write_iter+0xd10/0xd10 [ 4325.387409] [] filemap_flush+0x2a/0x2c [ 4325.405065] [] ext4_alloc_da_blocks+0xf4/0x187 [ 4325.424581] [] ? ext4_release_file+0x49/0x260 [ 4325.447105] [] ext4_release_file+0x64/0x260 [ 4325.467145] [] __fput+0x38b/0x68b [ 4325.487045] [] ____fput+0x1c/0x1e [ 4325.500788] [] task_work_run+0x11e/0x140 [ 4325.520786] [] prepare_exit_to_usermode+0x177/0x1d9 [ 4325.541118] [] syscall_return_slowpath+0x1b4/0x247 [ 4325.563766] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 4325.587462] ================================================================================ [ 4325.622390] ================================================================================ [ 4325.688329] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:1677:24 [ 4325.736721] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4325.811379] which requires 64 byte alignment [ 4325.837627] CPU: 0 PID: 1574 Comm: bootlogs Tainted: G L 4.8.11 #1 [ 4325.896229] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4326.008120] 00000000ffffffff 000000001f8f5181 ffff8800a16b7338 ffffffffb26ec5cc [ 4326.201536] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4326.382976] ffffffff00000010 ffff8800a16b7360 ffff8800a16b7310 ffffffffb363c3e0 [ 4326.505067] Call Trace: [ 4326.523096] [] dump_stack+0xd7/0x132 [ 4326.613007] [] ? arch_local_irq_restore+0x1b/0x1b [ 4326.693010] [] ubsan_epilogue+0x12/0x53 [ 4326.760153] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4326.791887] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4326.836581] [] ? mb_find_next_zero_bit+0xd6/0x114 [ 4326.892509] [] ext4_mb_use_best_found+0x3c7/0x3f7 [ 4326.997646] [] ext4_mb_simple_scan_group+0x387/0x4a7 [ 4327.020536] [] ? ext4_mb_find_by_goal+0x72a/0x72a [ 4327.045315] [] ? ext4_mb_good_group+0x443/0x453 [ 4327.065238] [] ext4_mb_regular_allocator+0x718/0xa37 [ 4327.108022] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 4327.157228] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 4327.215302] [] ext4_mb_new_blocks+0x8eb/0x209c [ 4327.274159] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4327.325716] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4327.378398] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 4327.459105] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4327.500659] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4327.567455] [] ? find_get_entry+0x104/0x104 [ 4327.645130] [] ? __put_compound_page+0x77/0x77 [ 4327.728872] [] ? lru_add_drain_cpu+0x310/0x31c [ 4327.810305] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4327.870643] [] ext4_map_blocks+0x815/0xef8 [ 4327.907706] [] ? ext4_issue_zeroout+0x182/0x182 [ 4327.927381] [] ext4_writepages+0xab5/0x1c84 [ 4327.948092] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4327.968455] [] ? wb_get+0xde/0x11f [ 4327.984353] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 4328.007405] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4328.027582] [] do_writepages+0xe5/0x10c [ 4328.048131] [] ? do_writepages+0xe5/0x10c [ 4328.067879] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 4328.090658] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 4328.113447] [] ? replace_page_cache_page+0x235/0x235 [ 4328.134887] [] ? ext4_file_write_iter+0xd10/0xd10 [ 4328.156673] [] filemap_flush+0x2a/0x2c [ 4328.173775] [] ext4_alloc_da_blocks+0xf4/0x187 [ 4328.195116] [] ? ext4_release_file+0x49/0x260 [ 4328.215576] [] ext4_release_file+0x64/0x260 [ 4328.235841] [] __fput+0x38b/0x68b [ 4328.250954] [] ____fput+0x1c/0x1e [ 4328.263795] [] task_work_run+0x11e/0x140 [ 4328.283954] [] prepare_exit_to_usermode+0x177/0x1d9 [ 4328.301755] [] syscall_return_slowpath+0x1b4/0x247 [ 4328.320671] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 4328.341462] ================================================================================ [ 4328.370058] ================================================================================ [ 4328.397553] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4328.416979] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4328.450191] which requires 64 byte alignment [ 4328.467105] CPU: 0 PID: 1574 Comm: bootlogs Tainted: G L 4.8.11 #1 [ 4328.497168] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4328.539798] 00000000ffffffff 000000001f8f5181 ffff8800a16b7438 ffffffffb26ec5cc [ 4328.570644] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4328.594246] 0000000000000010 ffff8800a16b7460 ffff8800a16b7410 ffffffffb363c3e0 [ 4328.621540] Call Trace: [ 4328.629108] [] dump_stack+0xd7/0x132 [ 4328.647992] [] ? arch_local_irq_restore+0x1b/0x1b [ 4328.668790] [] ubsan_epilogue+0x12/0x53 [ 4328.687506] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4328.707716] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4328.736029] [] ? ext4_mb_find_by_goal+0x72a/0x72a [ 4328.759534] [] ext4_mb_new_inode_pa+0xd4/0xc00 [ 4328.779541] [] ? ext4_mb_normalize_request.constprop.16+0x1407/0x1407 [ 4328.805076] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 4328.827454] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 4328.850716] [] ext4_mb_new_blocks+0x9eb/0x209c [ 4328.869770] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4328.893409] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4328.917312] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 4328.937681] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4328.959354] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4328.978706] [] ? find_get_entry+0x104/0x104 [ 4328.996109] [] ? __put_compound_page+0x77/0x77 [ 4329.017400] [] ? lru_add_drain_cpu+0x310/0x31c [ 4329.035571] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4329.055842] [] ext4_map_blocks+0x815/0xef8 [ 4329.073446] [] ? ext4_issue_zeroout+0x182/0x182 [ 4329.091944] [] ext4_writepages+0xab5/0x1c84 [ 4329.112092] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4329.132925] [] ? wb_get+0xde/0x11f [ 4329.147869] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 4329.170745] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4329.188388] [] do_writepages+0xe5/0x10c [ 4329.204615] [] ? do_writepages+0xe5/0x10c [ 4329.221688] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 4329.245249] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 4329.266457] [] ? replace_page_cache_page+0x235/0x235 [ 4329.287373] [] ? ext4_file_write_iter+0xd10/0xd10 [ 4329.305695] [] filemap_flush+0x2a/0x2c [ 4329.321351] [] ext4_alloc_da_blocks+0xf4/0x187 [ 4329.339788] [] ? ext4_release_file+0x49/0x260 [ 4329.359908] [] ext4_release_file+0x64/0x260 [ 4329.377682] [] __fput+0x38b/0x68b [ 4329.393565] [] ____fput+0x1c/0x1e [ 4329.414228] [] task_work_run+0x11e/0x140 [ 4329.433744] [] prepare_exit_to_usermode+0x177/0x1d9 [ 4329.454726] [] syscall_return_slowpath+0x1b4/0x247 [ 4329.476116] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 4329.496076] ================================================================================ [ 4329.529412] ================================================================================ [ 4329.555210] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4329.571723] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4329.599939] which requires 64 byte alignment [ 4329.614416] CPU: 1 PID: 1574 Comm: bootlogs Tainted: G L 4.8.11 #1 [ 4329.634701] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4329.664373] 00000000ffffffff 000000001f8f5181 ffff8800a16b73e0 ffffffffb26ec5cc [ 4329.687366] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4329.710279] 0000000000000010 ffff8800a16b7408 ffff8800a16b73b8 ffffffffb363c3e0 [ 4329.732611] Call Trace: [ 4329.739615] [] dump_stack+0xd7/0x132 [ 4329.755421] [] ? arch_local_irq_restore+0x1b/0x1b [ 4329.772999] [] ubsan_epilogue+0x12/0x53 [ 4329.788341] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4329.813709] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4329.834864] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4329.855176] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4329.875745] [] ext4_mb_use_inode_pa+0x62/0x4ed [ 4329.895752] [] ext4_mb_new_inode_pa+0x923/0xc00 [ 4329.912173] [] ? ext4_mb_normalize_request.constprop.16+0x1407/0x1407 [ 4329.933421] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 4329.952195] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 4329.973587] [] ext4_mb_new_blocks+0x9eb/0x209c [ 4329.991279] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4330.013104] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4330.033679] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 4330.051816] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4330.071806] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4330.090264] [] ? find_get_entry+0x104/0x104 [ 4330.106333] [] ? __put_compound_page+0x77/0x77 [ 4330.129545] [] ? lru_add_drain_cpu+0x310/0x31c [ 4330.148337] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4330.168272] [] ext4_map_blocks+0x815/0xef8 [ 4330.184676] [] ? ext4_issue_zeroout+0x182/0x182 [ 4330.203460] [] ext4_writepages+0xab5/0x1c84 [ 4330.219557] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4330.237133] [] ? wb_get+0xde/0x11f [ 4330.249849] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 4330.272067] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4330.289435] [] do_writepages+0xe5/0x10c [ 4330.305730] [] ? do_writepages+0xe5/0x10c [ 4330.322673] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 4330.348166] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 4330.370292] [] ? replace_page_cache_page+0x235/0x235 [ 4330.393481] [] ? ext4_file_write_iter+0xd10/0xd10 [ 4330.415001] [] filemap_flush+0x2a/0x2c [ 4330.433702] [] ext4_alloc_da_blocks+0xf4/0x187 [ 4330.452079] [] ? ext4_release_file+0x49/0x260 [ 4330.472525] [] ext4_release_file+0x64/0x260 [ 4330.490831] [] __fput+0x38b/0x68b [ 4330.504537] [] ____fput+0x1c/0x1e [ 4330.519474] [] task_work_run+0x11e/0x140 [ 4330.546011] [] prepare_exit_to_usermode+0x177/0x1d9 [ 4330.574177] [] syscall_return_slowpath+0x1b4/0x247 [ 4330.598764] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 4330.625766] ================================================================================ [ 4330.653080] ================================================================================ [ 4330.680102] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:3292:8 [ 4330.699459] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4330.726011] which requires 64 byte alignment [ 4330.737889] CPU: 1 PID: 1574 Comm: bootlogs Tainted: G L 4.8.11 #1 [ 4330.762618] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4330.788759] 00000000ffffffff 000000001f8f5181 ffff8800a16b73e0 ffffffffb26ec5cc [ 4330.810796] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4330.835020] ffff880000000010 ffff8800a16b7408 ffff8800a16b73b8 ffffffffb363c3e0 [ 4330.857281] Call Trace: [ 4330.865566] [] dump_stack+0xd7/0x132 [ 4330.880091] [] ? arch_local_irq_restore+0x1b/0x1b [ 4330.898344] [] ubsan_epilogue+0x12/0x53 [ 4330.915960] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4330.936114] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4330.961353] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4330.983250] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4331.003062] [] ext4_mb_use_inode_pa+0x135/0x4ed [ 4331.021407] [] ext4_mb_new_inode_pa+0x923/0xc00 [ 4331.040616] [] ? ext4_mb_normalize_request.constprop.16+0x1407/0x1407 [ 4331.067159] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 4331.090095] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 4331.115987] [] ext4_mb_new_blocks+0x9eb/0x209c [ 4331.134443] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4331.158626] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4331.184677] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 4331.205323] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4331.226428] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4331.246177] [] ? find_get_entry+0x104/0x104 [ 4331.263606] [] ? __put_compound_page+0x77/0x77 [ 4331.280875] [] ? lru_add_drain_cpu+0x310/0x31c [ 4331.296843] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4331.323006] [] ext4_map_blocks+0x815/0xef8 [ 4331.342520] [] ? ext4_issue_zeroout+0x182/0x182 [ 4331.359602] [] ext4_writepages+0xab5/0x1c84 [ 4331.377919] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4331.399590] [] ? wb_get+0xde/0x11f [ 4331.415121] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 4331.436660] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4331.458828] [] do_writepages+0xe5/0x10c [ 4331.476102] [] ? do_writepages+0xe5/0x10c [ 4331.492391] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 4331.515193] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 4331.539235] [] ? replace_page_cache_page+0x235/0x235 [ 4331.559487] [] ? ext4_file_write_iter+0xd10/0xd10 [ 4331.575928] [] filemap_flush+0x2a/0x2c [ 4331.594529] [] ext4_alloc_da_blocks+0xf4/0x187 [ 4331.613279] [] ? ext4_release_file+0x49/0x260 [ 4331.632910] [] ext4_release_file+0x64/0x260 [ 4331.652058] [] __fput+0x38b/0x68b [ 4331.668358] [] ____fput+0x1c/0x1e [ 4331.685401] [] task_work_run+0x11e/0x140 [ 4331.703687] [] prepare_exit_to_usermode+0x177/0x1d9 [ 4331.721745] [] syscall_return_slowpath+0x1b4/0x247 [ 4331.744501] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 4331.764036] ================================================================================ [ 4331.790120] ================================================================================ [ 4331.814905] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:3292:8 [ 4331.835538] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4331.865995] which requires 64 byte alignment [ 4331.877220] CPU: 1 PID: 1574 Comm: bootlogs Tainted: G L 4.8.11 #1 [ 4331.898782] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4331.965870] 00000000ffffffff 000000001f8f5181 ffff8800a16b73e0 ffffffffb26ec5cc [ 4331.991648] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4332.017261] ffff880000000010 ffff8800a16b7408 ffff8800a16b73b8 ffffffffb363c3e0 [ 4332.046385] Call Trace: [ 4332.054808] [] dump_stack+0xd7/0x132 [ 4332.071601] [] ? arch_local_irq_restore+0x1b/0x1b [ 4332.091049] [] ubsan_epilogue+0x12/0x53 [ 4332.108271] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4332.130293] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4332.155232] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4332.177465] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4332.196909] [] ext4_mb_use_inode_pa+0x1da/0x4ed [ 4332.216071] [] ext4_mb_new_inode_pa+0x923/0xc00 [ 4332.234569] [] ? ext4_mb_normalize_request.constprop.16+0x1407/0x1407 [ 4332.259682] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 4332.281687] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 4332.312054] [] ext4_mb_new_blocks+0x9eb/0x209c [ 4332.335365] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4332.359617] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4332.386086] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 4332.408331] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4332.433329] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4332.454311] [] ? find_get_entry+0x104/0x104 [ 4332.473430] [] ? __put_compound_page+0x77/0x77 [ 4332.492888] [] ? lru_add_drain_cpu+0x310/0x31c [ 4332.510555] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4332.529768] [] ext4_map_blocks+0x815/0xef8 [ 4332.548194] [] ? ext4_issue_zeroout+0x182/0x182 [ 4332.568079] [] ext4_writepages+0xab5/0x1c84 [ 4332.587684] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4332.605742] [] ? wb_get+0xde/0x11f [ 4332.620178] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 4332.643172] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4332.662122] [] do_writepages+0xe5/0x10c [ 4332.677167] [] ? do_writepages+0xe5/0x10c [ 4332.694336] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 4332.723719] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 4332.752708] [] ? replace_page_cache_page+0x235/0x235 [ 4332.772734] [] ? ext4_file_write_iter+0xd10/0xd10 [ 4332.793468] [] filemap_flush+0x2a/0x2c [ 4332.810977] [] ext4_alloc_da_blocks+0xf4/0x187 [ 4332.829877] [] ? ext4_release_file+0x49/0x260 [ 4332.847946] [] ext4_release_file+0x64/0x260 [ 4332.865478] [] __fput+0x38b/0x68b [ 4332.877424] [] ____fput+0x1c/0x1e [ 4332.894263] [] task_work_run+0x11e/0x140 [ 4332.911481] [] prepare_exit_to_usermode+0x177/0x1d9 [ 4332.927992] [] syscall_return_slowpath+0x1b4/0x247 [ 4332.948413] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 4332.968762] ================================================================================ [ 4332.996400] ================================================================================ [ 4333.023260] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:3294:8 [ 4333.040299] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4333.072736] which requires 64 byte alignment [ 4333.087910] CPU: 1 PID: 1574 Comm: bootlogs Tainted: G L 4.8.11 #1 [ 4333.111587] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4333.140350] 00000000ffffffff 000000001f8f5181 ffff8800a16b73e0 ffffffffb26ec5cc [ 4333.164512] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4333.188983] ffff880000000010 ffff8800a16b7408 ffff8800a16b73b8 ffffffffb363c3e0 [ 4333.215424] Call Trace: [ 4333.223073] [] dump_stack+0xd7/0x132 [ 4333.239592] [] ? arch_local_irq_restore+0x1b/0x1b [ 4333.260660] [] ubsan_epilogue+0x12/0x53 [ 4333.277892] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4333.297427] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4333.324328] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4333.345660] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4333.368320] [] ext4_mb_use_inode_pa+0x23f/0x4ed [ 4333.386987] [] ext4_mb_new_inode_pa+0x923/0xc00 [ 4333.407790] [] ? ext4_mb_normalize_request.constprop.16+0x1407/0x1407 [ 4333.433093] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 4333.452907] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 4333.478047] [] ext4_mb_new_blocks+0x9eb/0x209c [ 4333.497512] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4333.520223] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4333.542851] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 4333.564792] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4333.583657] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4333.603604] [] ? find_get_entry+0x104/0x104 [ 4333.621687] [] ? __put_compound_page+0x77/0x77 [ 4333.640309] [] ? lru_add_drain_cpu+0x310/0x31c [ 4333.660539] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4333.686495] [] ext4_map_blocks+0x815/0xef8 [ 4333.704839] [] ? ext4_issue_zeroout+0x182/0x182 [ 4333.722397] [] ext4_writepages+0xab5/0x1c84 [ 4333.740059] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4333.758684] [] ? wb_get+0xde/0x11f [ 4333.773052] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 4333.793724] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4333.813141] [] do_writepages+0xe5/0x10c [ 4333.831487] [] ? do_writepages+0xe5/0x10c [ 4333.848867] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 4333.877455] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 4333.897696] [] ? replace_page_cache_page+0x235/0x235 [ 4333.920249] [] ? ext4_file_write_iter+0xd10/0xd10 [ 4333.943830] [] filemap_flush+0x2a/0x2c [ 4333.959788] [] ext4_alloc_da_blocks+0xf4/0x187 [ 4333.975791] [] ? ext4_release_file+0x49/0x260 [ 4333.993299] [] ext4_release_file+0x64/0x260 [ 4334.012444] [] __fput+0x38b/0x68b [ 4334.026205] [] ____fput+0x1c/0x1e [ 4334.045042] [] task_work_run+0x11e/0x140 [ 4334.061355] [] prepare_exit_to_usermode+0x177/0x1d9 [ 4334.079506] [] syscall_return_slowpath+0x1b4/0x247 [ 4334.100319] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 4334.119979] ================================================================================ [ 4334.147121] ================================================================================ [ 4334.176553] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:3294:8 [ 4334.197565] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4334.230545] which requires 64 byte alignment [ 4334.242831] CPU: 1 PID: 1574 Comm: bootlogs Tainted: G L 4.8.11 #1 [ 4334.263179] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4334.288347] 00000000ffffffff 000000001f8f5181 ffff8800a16b73e0 ffffffffb26ec5cc [ 4334.317845] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4334.341355] ffff880000000010 ffff8800a16b7408 ffff8800a16b73b8 ffffffffb363c3e0 [ 4334.365099] Call Trace: [ 4334.372504] [] dump_stack+0xd7/0x132 [ 4334.389624] [] ? arch_local_irq_restore+0x1b/0x1b [ 4334.409135] [] ubsan_epilogue+0x12/0x53 [ 4334.427340] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4334.448388] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4334.470912] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4334.495948] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4334.528134] [] ext4_mb_use_inode_pa+0x273/0x4ed [ 4334.558425] [] ext4_mb_new_inode_pa+0x923/0xc00 [ 4334.590210] [] ? ext4_mb_normalize_request.constprop.16+0x1407/0x1407 [ 4334.628714] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 4334.657615] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 4334.692920] [] ext4_mb_new_blocks+0x9eb/0x209c [ 4334.717397] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4334.747658] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4334.775718] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 4334.799295] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4334.820748] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4334.840564] [] ? find_get_entry+0x104/0x104 [ 4334.855267] [] ? __put_compound_page+0x77/0x77 [ 4334.872182] [] ? lru_add_drain_cpu+0x310/0x31c [ 4334.888307] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4334.910258] [] ext4_map_blocks+0x815/0xef8 [ 4334.926428] [] ? ext4_issue_zeroout+0x182/0x182 [ 4334.942753] [] ext4_writepages+0xab5/0x1c84 [ 4334.959591] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4334.979896] [] ? wb_get+0xde/0x11f [ 4334.992967] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 4335.016241] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4335.037588] [] do_writepages+0xe5/0x10c [ 4335.056330] [] ? do_writepages+0xe5/0x10c [ 4335.074170] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 4335.094119] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 4335.115660] [] ? replace_page_cache_page+0x235/0x235 [ 4335.136310] [] ? ext4_file_write_iter+0xd10/0xd10 [ 4335.156321] [] filemap_flush+0x2a/0x2c [ 4335.172852] [] ext4_alloc_da_blocks+0xf4/0x187 [ 4335.190852] [] ? ext4_release_file+0x49/0x260 [ 4335.209604] [] ext4_release_file+0x64/0x260 [ 4335.230607] [] __fput+0x38b/0x68b [ 4335.246472] [] ____fput+0x1c/0x1e [ 4335.262682] [] task_work_run+0x11e/0x140 [ 4335.281276] [] prepare_exit_to_usermode+0x177/0x1d9 [ 4335.300936] [] syscall_return_slowpath+0x1b4/0x247 [ 4335.325372] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 4335.346661] ================================================================================ [ 4335.376187] ================================================================================ [ 4335.405812] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:3302:2 [ 4335.428212] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4335.461195] which requires 64 byte alignment [ 4335.475789] CPU: 1 PID: 1574 Comm: bootlogs Tainted: G L 4.8.11 #1 [ 4335.501783] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4335.534413] 00000000ffffffff 000000001f8f5181 ffff8800a16b73e0 ffffffffb26ec5cc [ 4335.560269] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4335.584982] ffff880000000010 ffff8800a16b7408 ffff8800a16b73b8 ffffffffb363c3e0 [ 4335.609248] Call Trace: [ 4335.615951] [] dump_stack+0xd7/0x132 [ 4335.635020] [] ? arch_local_irq_restore+0x1b/0x1b [ 4335.659016] [] ubsan_epilogue+0x12/0x53 [ 4335.677424] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4335.704313] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4335.724846] [] ? ext4_get_group_no_and_offset+0x226/0x233 [ 4335.747438] [] ext4_mb_use_inode_pa+0x3cf/0x4ed [ 4335.769023] [] ext4_mb_new_inode_pa+0x923/0xc00 [ 4335.788738] [] ? ext4_mb_normalize_request.constprop.16+0x1407/0x1407 [ 4335.814389] [] ? ext4_mb_complex_scan_group+0x882/0x882 [ 4335.833347] [] ? ext4_mb_normalize_request.constprop.16+0x13f8/0x1407 [ 4335.859493] [] ext4_mb_new_blocks+0x9eb/0x209c [ 4335.876642] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4335.899243] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4335.924532] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 4335.951522] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4335.968286] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4335.987270] [] ? find_get_entry+0x104/0x104 [ 4336.006968] [] ? __put_compound_page+0x77/0x77 [ 4336.027699] [] ? lru_add_drain_cpu+0x310/0x31c [ 4336.045975] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4336.068671] [] ext4_map_blocks+0x815/0xef8 [ 4336.086401] [] ? ext4_issue_zeroout+0x182/0x182 [ 4336.103865] [] ext4_writepages+0xab5/0x1c84 [ 4336.127209] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4336.147680] [] ? wb_get+0xde/0x11f [ 4336.166981] [] ? percpu_ref_put_many.constprop.47+0x10f/0x10f [ 4336.191633] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4336.212527] [] do_writepages+0xe5/0x10c [ 4336.230071] [] ? do_writepages+0xe5/0x10c [ 4336.246617] [] ? wbc_attach_and_unlock_inode+0x2da/0x327 [ 4336.269608] [] __filemap_fdatawrite_range+0x1ab/0x201 [ 4336.290631] [] ? replace_page_cache_page+0x235/0x235 [ 4336.311162] [] ? ext4_file_write_iter+0xd10/0xd10 [ 4336.328065] [] filemap_flush+0x2a/0x2c [ 4336.346714] [] ext4_alloc_da_blocks+0xf4/0x187 [ 4336.370553] [] ? ext4_release_file+0x49/0x260 [ 4336.390315] [] ext4_release_file+0x64/0x260 [ 4336.410217] [] __fput+0x38b/0x68b [ 4336.426613] [] ____fput+0x1c/0x1e [ 4336.444365] [] task_work_run+0x11e/0x140 [ 4336.464222] [] prepare_exit_to_usermode+0x177/0x1d9 [ 4336.487795] [] syscall_return_slowpath+0x1b4/0x247 [ 4336.508614] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 4336.531601] ================================================================================ [ 4336.590833] ================================================================================ [ 4336.624305] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4336.643437] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4336.672849] which requires 64 byte alignment [ 4336.688931] CPU: 1 PID: 1574 Comm: bootlogs Tainted: G L 4.8.11 #1 [ 4336.710990] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4336.740206] 00000000ffffffff 000000001f8f5181 ffff8800a16b7a70 ffffffffb26ec5cc [ 4336.762653] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4336.785973] 1ffff10000000010 ffff8800a16b7a98 ffff8800a16b7a48 ffffffffb363c3e0 [ 4336.808293] Call Trace: [ 4336.814947] [] dump_stack+0xd7/0x132 [ 4336.831435] [] ? arch_local_irq_restore+0x1b/0x1b [ 4336.850231] [] ubsan_epilogue+0x12/0x53 [ 4336.868226] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4336.889050] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4336.911205] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4336.928608] [] ext4_mb_release_inode_pa+0xfd/0x7ac [ 4336.950421] [] ? mb_free_blocks+0x13ad/0x13ad [ 4336.967454] [] ? __list_del_entry+0x20c/0x242 [ 4336.985850] [] ? __list_add+0x249/0x249 [ 4337.002851] [] ? atomic_add_unless+0x8d/0xa1 [ 4337.019541] [] ext4_discard_preallocations+0x5f5/0x724 [ 4337.041353] [] ? ext4_exit_mballoc+0x14e/0x14e [ 4337.059891] [] ? down_write+0xb3/0xea [ 4337.075552] [] ? __down_timeout+0x18/0x18 [ 4337.091990] [] ? ext4_file_write_iter+0xd10/0xd10 [ 4337.111025] [] ext4_release_file+0x129/0x260 [ 4337.131877] [] __fput+0x38b/0x68b [ 4337.147760] [] ____fput+0x1c/0x1e [ 4337.165257] [] task_work_run+0x11e/0x140 [ 4337.186108] [] prepare_exit_to_usermode+0x177/0x1d9 [ 4337.206540] [] syscall_return_slowpath+0x1b4/0x247 [ 4337.226680] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 4337.246879] ================================================================================ [ 4337.285025] ================================================================================ [ 4337.338945] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:3776:34 [ 4337.386288] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4337.443211] which requires 64 byte alignment [ 4337.465742] CPU: 1 PID: 1574 Comm: bootlogs Tainted: G L 4.8.11 #1 [ 4337.523989] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4337.589172] 00000000ffffffff 000000001f8f5181 ffff8800a16b7a70 ffffffffb26ec5cc [ 4337.638541] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4337.685632] ffff880000000010 ffff8800a16b7a98 ffff8800a16b7a48 ffffffffb363c3e0 [ 4337.729712] Call Trace: [ 4337.749726] [] dump_stack+0xd7/0x132 [ 4337.771097] [] ? arch_local_irq_restore+0x1b/0x1b [ 4337.819893] [] ubsan_epilogue+0x12/0x53 [ 4337.849943] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4337.889089] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4337.937734] [] ? ext4_get_group_no_and_offset+0x226/0x233 [ 4337.979150] [] ext4_mb_release_inode_pa+0x1d3/0x7ac [ 4338.025393] [] ? mb_free_blocks+0x13ad/0x13ad [ 4338.064400] [] ? __list_add+0x249/0x249 [ 4338.092131] [] ext4_discard_preallocations+0x5f5/0x724 [ 4338.131130] [] ? ext4_exit_mballoc+0x14e/0x14e [ 4338.173607] [] ? down_write+0xb3/0xea [ 4338.210627] [] ? __down_timeout+0x18/0x18 [ 4338.247770] [] ? ext4_file_write_iter+0xd10/0xd10 [ 4338.283816] [] ext4_release_file+0x129/0x260 [ 4338.326466] [] __fput+0x38b/0x68b [ 4338.354461] [] ____fput+0x1c/0x1e [ 4338.384435] [] task_work_run+0x11e/0x140 [ 4338.413704] [] prepare_exit_to_usermode+0x177/0x1d9 [ 4338.464143] [] syscall_return_slowpath+0x1b4/0x247 [ 4338.506185] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 4338.542836] ================================================================================ [ 4338.594226] ================================================================================ [ 4338.647478] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:3792:11 [ 4338.681204] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4338.735393] which requires 64 byte alignment [ 4338.760600] CPU: 1 PID: 1574 Comm: bootlogs Tainted: G L 4.8.11 #1 [ 4338.802412] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4338.860703] 00000000ffffffff 000000001f8f5181 ffff8800a16b7a70 ffffffffb26ec5cc [ 4338.912742] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4338.960969] 0000000000000010 ffff8800a16b7a98 ffff8800a16b7a48 ffffffffb363c3e0 [ 4339.013708] Call Trace: [ 4339.023849] [] dump_stack+0xd7/0x132 [ 4339.050354] [] ? arch_local_irq_restore+0x1b/0x1b [ 4339.088094] [] ubsan_epilogue+0x12/0x53 [ 4339.119496] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4339.164383] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4339.204353] [] ? trace_ext4_mballoc_discard.constprop.19+0x8f/0x124 [ 4339.257436] [] ext4_mb_release_inode_pa+0x45f/0x7ac [ 4339.295762] [] ? mb_free_blocks+0x13ad/0x13ad [ 4339.328592] [] ? __list_add+0x249/0x249 [ 4339.362916] [] ext4_discard_preallocations+0x5f5/0x724 [ 4339.404050] [] ? ext4_exit_mballoc+0x14e/0x14e [ 4339.437272] [] ? down_write+0xb3/0xea [ 4339.469098] [] ? __down_timeout+0x18/0x18 [ 4339.500832] [] ? ext4_file_write_iter+0xd10/0xd10 [ 4339.548142] [] ext4_release_file+0x129/0x260 [ 4339.592185] [] __fput+0x38b/0x68b [ 4339.620651] [] ____fput+0x1c/0x1e [ 4339.651756] [] task_work_run+0x11e/0x140 [ 4339.688050] [] prepare_exit_to_usermode+0x177/0x1d9 [ 4339.735299] [] syscall_return_slowpath+0x1b4/0x247 [ 4339.770665] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [ 4339.814400] ================================================================================ [ 4339.874173] ================================================================================ [ 4339.924156] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4339.943855] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4339.970300] which requires 64 byte alignment [ 4339.984552] CPU: 0 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4340.008155] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4340.035926] 00000000ffffffff 0000000055d6ec5c ffff8800595c79b8 ffffffffb26ec5cc [ 4340.063556] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4340.085432] ffff880000000010 ffff8800595c79e0 ffff8800595c7990 ffffffffb363c3e0 [ 4340.109463] Call Trace: [ 4340.116943] [] dump_stack+0xd7/0x132 [ 4340.136653] [] ? arch_local_irq_restore+0x1b/0x1b [ 4340.162779] [] ubsan_epilogue+0x12/0x53 [ 4340.179368] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4340.199297] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4340.223266] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4340.244972] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4340.266352] [] ? atomic_add_unless+0x8d/0xa1 [ 4340.284265] [] ext4_used_dirs_set+0x5d/0xd7 [ 4340.300687] [] __ext4_new_inode+0x21ec/0x34f9 [ 4340.317699] [] ? ext4_free_inode+0xa8e/0xa8e [ 4340.337101] [] ? ubsan_epilogue+0x26/0x53 [ 4340.355181] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4340.379625] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4340.399844] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4340.421136] [] ext4_mkdir+0x2b4/0x802 [ 4340.435330] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4340.455979] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4340.479866] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4340.503640] [] vfs_mkdir+0x17f/0x259 [ 4340.518754] [] SYSC_mkdirat+0x1a1/0x222 [ 4340.535575] [] ? SYSC_mknodat+0x3db/0x3db [ 4340.553316] [] SyS_mkdir+0x27/0x2c [ 4340.573697] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4340.596451] ================================================================================ [ 4340.634154] ================================================================================ [ 4340.663658] UBSAN: Undefined behaviour in fs/ext4/super.c:304:6 [ 4340.684968] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4340.715188] which requires 64 byte alignment [ 4340.729469] CPU: 0 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4340.752650] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4340.785072] 00000000ffffffff 0000000055d6ec5c ffff8800595c79b8 ffffffffb26ec5cc [ 4340.808771] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4340.833753] ffffffff00000010 ffff8800595c79e0 ffff8800595c7990 ffffffffb363c3e0 [ 4340.860078] Call Trace: [ 4340.868547] [] dump_stack+0xd7/0x132 [ 4340.887009] [] ? arch_local_irq_restore+0x1b/0x1b [ 4340.910449] [] ubsan_epilogue+0x12/0x53 [ 4340.927525] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4340.948339] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4340.971505] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4340.995473] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4341.019241] [] ? atomic_add_unless+0x8d/0xa1 [ 4341.036583] [] ext4_used_dirs_set+0x8c/0xd7 [ 4341.055730] [] __ext4_new_inode+0x21ec/0x34f9 [ 4341.072738] [] ? ext4_free_inode+0xa8e/0xa8e [ 4341.090900] [] ? ubsan_epilogue+0x26/0x53 [ 4341.108676] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4341.132718] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4341.157444] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4341.179945] [] ext4_mkdir+0x2b4/0x802 [ 4341.196127] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4341.217389] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4341.240147] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4341.264947] [] vfs_mkdir+0x17f/0x259 [ 4341.280613] [] SYSC_mkdirat+0x1a1/0x222 [ 4341.296671] [] ? SYSC_mknodat+0x3db/0x3db [ 4341.315755] [] SyS_mkdir+0x27/0x2c [ 4341.333277] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4341.352422] ================================================================================ [ 4341.384812] ================================================================================ [ 4341.414231] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:1012:10 [ 4341.432785] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4341.463980] which requires 64 byte alignment [ 4341.478889] CPU: 0 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4341.503214] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4341.532449] 00000000ffffffff 0000000055d6ec5c ffff8800595c79e0 ffffffffb26ec5cc [ 4341.556271] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4341.583530] ffffffff00000010 ffff8800595c7a08 ffff8800595c79b8 ffffffffb363c3e0 [ 4341.612940] Call Trace: [ 4341.620056] [] dump_stack+0xd7/0x132 [ 4341.637132] [] ? arch_local_irq_restore+0x1b/0x1b [ 4341.660888] [] ubsan_epilogue+0x12/0x53 [ 4341.680907] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4341.700560] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4341.723900] [] __ext4_new_inode+0x2212/0x34f9 [ 4341.744034] [] ? ext4_free_inode+0xa8e/0xa8e [ 4341.763507] [] ? ubsan_epilogue+0x26/0x53 [ 4341.781242] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4341.806676] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4341.827592] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4341.852924] [] ext4_mkdir+0x2b4/0x802 [ 4341.870555] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4341.897004] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4341.920903] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4341.941066] [] vfs_mkdir+0x17f/0x259 [ 4341.959618] [] SYSC_mkdirat+0x1a1/0x222 [ 4341.977079] [] ? SYSC_mknodat+0x3db/0x3db [ 4341.994281] [] SyS_mkdir+0x27/0x2c [ 4342.013278] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4342.034499] ================================================================================ [ 4342.070086] ================================================================================ [ 4342.106259] UBSAN: Undefined behaviour in fs/ext4/ialloc.c:1015:19 [ 4342.127990] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4342.157013] which requires 64 byte alignment [ 4342.170644] CPU: 0 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4342.195529] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4342.222105] 00000000ffffffff 0000000055d6ec5c ffff8800595c79e0 ffffffffb26ec5cc [ 4342.246697] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4342.271855] ffff880000000010 ffff8800595c7a08 ffff8800595c79b8 ffffffffb363c3e0 [ 4342.297141] Call Trace: [ 4342.307608] [] dump_stack+0xd7/0x132 [ 4342.322893] [] ? arch_local_irq_restore+0x1b/0x1b [ 4342.348000] [] ubsan_epilogue+0x12/0x53 [ 4342.366692] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4342.388461] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4342.411042] [] __ext4_new_inode+0x2275/0x34f9 [ 4342.430950] [] ? ext4_free_inode+0xa8e/0xa8e [ 4342.449376] [] ? ubsan_epilogue+0x26/0x53 [ 4342.467069] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4342.489567] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4342.512978] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4342.534214] [] ext4_mkdir+0x2b4/0x802 [ 4342.552183] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4342.575174] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4342.595740] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4342.619192] [] vfs_mkdir+0x17f/0x259 [ 4342.636681] [] SYSC_mkdirat+0x1a1/0x222 [ 4342.655120] [] ? SYSC_mknodat+0x3db/0x3db [ 4342.677104] [] SyS_mkdir+0x27/0x2c [ 4342.693539] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4342.713766] ================================================================================ [ 4342.750123] ================================================================================ [ 4342.781108] UBSAN: Undefined behaviour in fs/ext4/namei.c:2593:36 [ 4342.799393] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4342.826247] which requires 64 byte alignment [ 4342.839712] CPU: 1 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4342.861993] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4342.892567] 00000000ffffffff 0000000055d6ec5c ffff8800595c7c50 ffffffffb26ec5cc [ 4342.914733] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4342.939072] ffff880000000010 ffff8800595c7c78 ffff8800595c7c28 ffffffffb363c3e0 [ 4342.964882] Call Trace: [ 4342.970852] [] dump_stack+0xd7/0x132 [ 4342.987058] [] ? arch_local_irq_restore+0x1b/0x1b [ 4343.006117] [] ubsan_epilogue+0x12/0x53 [ 4343.023283] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4343.043890] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4343.066063] [] ext4_mkdir+0x3bf/0x802 [ 4343.081176] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4343.099995] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4343.121706] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4343.144703] [] vfs_mkdir+0x17f/0x259 [ 4343.160784] [] SYSC_mkdirat+0x1a1/0x222 [ 4343.177223] [] ? SYSC_mknodat+0x3db/0x3db [ 4343.193428] [] SyS_mkdir+0x27/0x2c [ 4343.209760] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4343.231359] ================================================================================ [ 4343.260716] ================================================================================ [ 4343.286615] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [ 4343.308512] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4343.335484] which requires 64 byte alignment [ 4343.349575] CPU: 1 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4343.372641] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4343.404522] 00000000ffffffff 0000000055d6ec5c ffff8800595c7c08 ffffffffb26ec5cc [ 4343.429509] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4343.455327] 1ffff10000000010 ffff8800595c7c30 ffff8800595c7be0 ffffffffb363c3e0 [ 4343.478978] Call Trace: [ 4343.484955] [] dump_stack+0xd7/0x132 [ 4343.500090] [] ? arch_local_irq_restore+0x1b/0x1b [ 4343.523249] [] ubsan_epilogue+0x12/0x53 [ 4343.539872] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4343.562382] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4343.585013] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4343.604383] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4343.627783] [] ext4_append+0x6c/0x3a8 [ 4343.648055] [] ext4_mkdir+0x491/0x802 [ 4343.666963] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4343.689737] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4343.715803] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4343.739877] [] vfs_mkdir+0x17f/0x259 [ 4343.755868] [] SYSC_mkdirat+0x1a1/0x222 [ 4343.772148] [] ? SYSC_mknodat+0x3db/0x3db [ 4343.789777] [] SyS_mkdir+0x27/0x2c [ 4343.806796] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4343.823265] ================================================================================ [ 4343.852587] ================================================================================ [ 4343.881619] UBSAN: Undefined behaviour in fs/ext4/namei.c:57:6 [ 4343.897307] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4343.928658] which requires 64 byte alignment [ 4343.940331] CPU: 1 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4343.964375] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4343.994741] 00000000ffffffff 0000000055d6ec5c ffff8800595c7c08 ffffffffb26ec5cc [ 4344.015729] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4344.040603] ffffffff00000010 ffff8800595c7c30 ffff8800595c7be0 ffffffffb363c3e0 [ 4344.064271] Call Trace: [ 4344.071300] [] dump_stack+0xd7/0x132 [ 4344.089205] [] ? arch_local_irq_restore+0x1b/0x1b [ 4344.111468] [] ubsan_epilogue+0x12/0x53 [ 4344.128689] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4344.153424] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4344.178246] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4344.200528] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4344.219345] [] ext4_append+0x9b/0x3a8 [ 4344.236570] [] ext4_mkdir+0x491/0x802 [ 4344.255066] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4344.275488] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4344.295216] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4344.319740] [] vfs_mkdir+0x17f/0x259 [ 4344.334295] [] SYSC_mkdirat+0x1a1/0x222 [ 4344.352602] [] ? SYSC_mknodat+0x3db/0x3db [ 4344.368960] [] SyS_mkdir+0x27/0x2c [ 4344.384258] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4344.403433] ================================================================================ [ 4344.431345] ================================================================================ [ 4344.456015] UBSAN: Undefined behaviour in fs/ext4/namei.c:62:39 [ 4344.473577] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4344.502302] which requires 64 byte alignment [ 4344.514612] CPU: 1 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4344.536716] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4344.569267] 00000000ffffffff 0000000055d6ec5c ffff8800595c7c08 ffffffffb26ec5cc [ 4344.594425] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4344.616146] ffffffff00000010 ffff8800595c7c30 ffff8800595c7be0 ffffffffb363c3e0 [ 4344.639926] Call Trace: [ 4344.649214] [] dump_stack+0xd7/0x132 [ 4344.664873] [] ? arch_local_irq_restore+0x1b/0x1b [ 4344.685486] [] ubsan_epilogue+0x12/0x53 [ 4344.701326] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4344.722828] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4344.740669] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4344.764566] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4344.785281] [] ext4_append+0x11d/0x3a8 [ 4344.803397] [] ext4_mkdir+0x491/0x802 [ 4344.816047] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4344.837400] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4344.861403] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4344.886533] [] vfs_mkdir+0x17f/0x259 [ 4344.903320] [] SYSC_mkdirat+0x1a1/0x222 [ 4344.919099] [] ? SYSC_mknodat+0x3db/0x3db [ 4344.939136] [] SyS_mkdir+0x27/0x2c [ 4344.956767] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4344.973718] ================================================================================ [ 4344.998739] ================================================================================ [ 4345.023790] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:4469:9 [ 4345.042306] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4345.068777] which requires 64 byte alignment [ 4345.083403] CPU: 1 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4345.108109] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4345.134409] 00000000ffffffff 0000000055d6ec5c ffff8800595c7690 ffffffffb26ec5cc [ 4345.158484] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4345.181590] ffff880000000010 ffff8800595c76b8 ffff8800595c7668 ffffffffb363c3e0 [ 4345.206398] Call Trace: [ 4345.213640] [] dump_stack+0xd7/0x132 [ 4345.228744] [] ? arch_local_irq_restore+0x1b/0x1b [ 4345.248151] [] ubsan_epilogue+0x12/0x53 [ 4345.264960] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4345.287597] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4345.311240] [] ext4_mb_new_blocks+0x5e9/0x209c [ 4345.330758] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4345.352013] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4345.375825] [] ? ext4_inode_to_goal_block+0x438/0x448 [ 4345.392713] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4345.412829] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4345.433288] [] ? __schedule+0x123d/0x126c [ 4345.453669] [] ? io_schedule_timeout+0x33d/0x33d [ 4345.472255] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4345.507872] [] ? preempt_schedule_common+0x2c/0x33 [ 4345.527995] [] ext4_map_blocks+0x815/0xef8 [ 4345.547922] [] ? ext4_issue_zeroout+0x182/0x182 [ 4345.567937] [] ? vprintk_default+0x65/0x6e [ 4345.586691] [] ext4_getblk+0xdd/0x393 [ 4345.601213] [] ? ext4_dio_get_block_overwrite+0x16f/0x16f [ 4345.623716] [] ext4_bread+0x8d/0x176 [ 4345.641032] [] ? ext4_getblk+0x393/0x393 [ 4345.656359] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4345.679196] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4345.698904] [] ext4_append+0x239/0x3a8 [ 4345.711651] [] ext4_mkdir+0x491/0x802 [ 4345.729531] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4345.749111] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4345.772138] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4345.793772] [] vfs_mkdir+0x17f/0x259 [ 4345.812915] [] SYSC_mkdirat+0x1a1/0x222 [ 4345.830392] [] ? SYSC_mknodat+0x3db/0x3db [ 4345.850823] [] SyS_mkdir+0x27/0x2c [ 4345.865264] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4345.886515] ================================================================================ [ 4345.918666] ================================================================================ [ 4345.947368] UBSAN: Undefined behaviour in fs/ext4/inode.c:972:4 [ 4345.966852] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4345.992561] which requires 64 byte alignment [ 4346.007735] CPU: 1 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4346.030668] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4346.061669] 00000000ffffffff 0000000055d6ec5c ffff8800595c7ab8 ffffffffb26ec5cc [ 4346.084195] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4346.111206] ffff880000000010 ffff8800595c7ae0 ffff8800595c7a90 ffffffffb363c3e0 [ 4346.133110] Call Trace: [ 4346.142141] [] dump_stack+0xd7/0x132 [ 4346.156345] [] ? arch_local_irq_restore+0x1b/0x1b [ 4346.176158] [] ubsan_epilogue+0x12/0x53 [ 4346.194444] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4346.213090] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4346.232836] [] ext4_getblk+0x2c7/0x393 [ 4346.249702] [] ? ext4_dio_get_block_overwrite+0x16f/0x16f [ 4346.272716] [] ext4_bread+0x8d/0x176 [ 4346.288005] [] ? ext4_getblk+0x393/0x393 [ 4346.306560] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4346.329252] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4346.351821] [] ext4_append+0x239/0x3a8 [ 4346.369459] [] ext4_mkdir+0x491/0x802 [ 4346.388791] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4346.407414] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4346.431289] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4346.453106] [] vfs_mkdir+0x17f/0x259 [ 4346.466831] [] SYSC_mkdirat+0x1a1/0x222 [ 4346.483875] [] ? SYSC_mknodat+0x3db/0x3db [ 4346.498924] [] SyS_mkdir+0x27/0x2c [ 4346.514990] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4346.535039] ================================================================================ [ 4346.564084] ================================================================================ [ 4346.590537] UBSAN: Undefined behaviour in fs/ext4/namei.c:67:30 [ 4346.608503] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4346.638173] which requires 64 byte alignment [ 4346.650772] CPU: 1 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4346.672741] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4346.700704] 00000000ffffffff 0000000055d6ec5c ffff8800595c7c08 ffffffffb26ec5cc [ 4346.726309] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4346.750446] ffffffff00000010 ffff8800595c7c30 ffff8800595c7be0 ffffffffb363c3e0 [ 4346.773581] Call Trace: [ 4346.782024] [] dump_stack+0xd7/0x132 [ 4346.799527] [] ? arch_local_irq_restore+0x1b/0x1b [ 4346.816595] [] ubsan_epilogue+0x12/0x53 [ 4346.835096] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4346.856813] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4346.880670] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4346.905146] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4346.924919] [] ext4_append+0x2b3/0x3a8 [ 4346.940365] [] ext4_mkdir+0x491/0x802 [ 4346.955694] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4346.975666] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4346.997655] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4347.018738] [] vfs_mkdir+0x17f/0x259 [ 4347.033999] [] SYSC_mkdirat+0x1a1/0x222 [ 4347.052965] [] ? SYSC_mknodat+0x3db/0x3db [ 4347.068753] [] SyS_mkdir+0x27/0x2c [ 4347.086649] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4347.107831] ================================================================================ [ 4347.133522] ================================================================================ [ 4347.159221] UBSAN: Undefined behaviour in fs/ext4/namei.c:2677:6 [ 4347.176955] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [ 4347.204995] which requires 64 byte alignment [ 4347.215649] CPU: 1 PID: 1606 Comm: rsyslogd Tainted: G L 4.8.11 #1 [ 4347.238752] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4347.268113] 00000000ffffffff 0000000055d6ec5c ffff8800595c7c50 ffffffffb26ec5cc [ 4347.290691] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4347.314896] ffff880000000010 ffff8800595c7c78 ffff8800595c7c28 ffffffffb363c3e0 [ 4347.337398] Call Trace: [ 4347.346377] [] dump_stack+0xd7/0x132 [ 4347.365809] [] ? arch_local_irq_restore+0x1b/0x1b [ 4347.385304] [] ubsan_epilogue+0x12/0x53 [ 4347.404012] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4347.422405] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4347.443799] [] ext4_mkdir+0x6dc/0x802 [ 4347.456446] [] ? ext4_init_dot_dotdot+0x2f2/0x2f2 [ 4347.476411] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4347.495892] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4347.515074] [] vfs_mkdir+0x17f/0x259 [ 4347.533286] [] SYSC_mkdirat+0x1a1/0x222 [ 4347.550186] [] ? SYSC_mknodat+0x3db/0x3db [ 4347.566977] [] SyS_mkdir+0x27/0x2c [ 4347.583616] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4347.603522] ================================================================================ [?25l[?1c7[ ok 8[?25h[?0c. [ 4349.161295] ================================================================================ [ 4349.195623] UBSAN: Undefined behaviour in ./include/linux/fs.h:2168:9 [ 4349.225964] member access within misaligned address ffff8800a2fa1c10 for type 'struct super_block' [ 4349.260831] which requires 64 byte alignment [ 4349.276345] CPU: 0 PID: 1641 Comm: cron Tainted: G L 4.8.11 #1 [ 4349.295238] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4349.326268] 00000000ffffffff 0000000060c104d7 ffff88005b2ffde0 ffffffffb26ec5cc [ 4349.353602] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4349.373123] ffffffff00000010 ffff88005b2ffe08 ffff88005b2ffdb8 ffffffffb363c3e0 [ 4349.396953] Call Trace: [ 4349.405470] [] dump_stack+0xd7/0x132 [ 4349.420455] [] ? arch_local_irq_restore+0x1b/0x1b [ 4349.442379] [] ubsan_epilogue+0x12/0x53 [ 4349.460280] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4349.480338] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4349.504170] [] locks_verify_truncate+0x97/0x1c1 [ 4349.520558] [] ? percpu_down_read+0x5f/0x8b [ 4349.540816] [] do_sys_ftruncate.constprop.8+0x1d9/0x26d [ 4349.560245] [] SyS_ftruncate+0x27/0x29 [ 4349.577110] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4349.596809] ================================================================================ [ 4350.344720] ================================================================================ [ 4350.402466] UBSAN: Undefined behaviour in net/ipv6/addrconf.c:1570:43 [ 4350.453100] member access within misaligned address ffff88005bdf6820 for type 'const struct net_device' [ 4350.519835] which requires 64 byte alignment [ 4350.550812] CPU: 0 PID: 1660 Comm: sshd Tainted: G L 4.8.11 #1 [ 4350.588988] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4350.659438] 00000000ffffffff 000000000c816e5f ffff88005966f820 ffffffffb26ec5cc [ 4350.710938] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4350.760765] ffff880000000010 ffff88005966f848 ffff88005966f7f8 ffffffffb363c3e0 [ 4350.810110] Call Trace: [ 4350.831901] [] dump_stack+0xd7/0x132 [ 4350.871767] [] ? arch_local_irq_restore+0x1b/0x1b [ 4350.912187] [] ubsan_epilogue+0x12/0x53 [ 4350.954261] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4350.997190] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4351.043901] [] ipv6_dev_get_saddr+0xe2/0x70c [ 4351.080772] [] ? __ipv6_dev_get_saddr+0x4a7/0x4a7 [ 4351.121443] [] ? fib6_rule_lookup+0x204/0x24a [ 4351.156089] [] ? fib6_rule_configure+0x454/0x454 [ 4351.196991] [] ? kmem_cache_alloc_trace+0x25a/0x280 [ 4351.232528] [] ? ip6_pol_route_input+0x60/0x60 [ 4351.276914] [] ? sock_alloc_file+0x1f0/0x315 [ 4351.314805] [] ip6_dst_lookup_tail+0x498/0x709 [ 4351.354247] [] ip6_dst_lookup_flow+0xb9/0x25e [ 4351.388911] [] ? ip6_dst_lookup+0x63/0x63 [ 4351.431211] [] ip6_datagram_dst_update+0x43f/0x9e3 [ 4351.470524] [] ? sock_recv_timestamp+0x283/0x283 [ 4351.510142] [] ? __jhash_nwords+0x6c/0x6c [ 4351.545525] [] ? udp_disconnect+0x379/0x379 [ 4351.584489] [] ip6_datagram_connect+0x710/0x9a1 [ 4351.624316] [] ? ip6_datagram_connect+0x710/0x9a1 [ 4351.667609] [] ? ip6_datagram_release_cb+0x18d/0x18d [ 4351.711304] [] ? _raw_spin_unlock_bh+0x1c/0x1e [ 4351.749252] [] ? inet_autobind+0x13f/0x13f [ 4351.783695] [] inet_dgram_connect+0x16f/0x19c [ 4351.817179] [] SYSC_connect+0x1ca/0x267 [ 4351.858140] [] ? SYSC_bind+0x1f7/0x1f7 [ 4351.887247] [] ? sock_alloc_file+0x2cf/0x315 [ 4351.927163] [] ? copy_user_overflow+0x33/0x33 [ 4351.961675] [] ? __sock_create+0x3e2/0x3f4 [ 4351.997273] [] ? SYSC_socket+0x11e/0x157 [ 4352.029010] [] ? sock_create+0x9d/0x9d [ 4352.057358] [] ? do_munmap+0x99c/0x9ae [ 4352.093360] [] SyS_connect+0x2f/0x31 [ 4352.124923] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4352.170835] ================================================================================ [ 4352.228242] ================================================================================ [ 4352.287439] UBSAN: Undefined behaviour in ./include/net/l3mdev.h:113:42 [ 4352.332068] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4352.384265] which requires 64 byte alignment [ 4352.408549] CPU: 0 PID: 1660 Comm: sshd Tainted: G L 4.8.11 #1 [ 4352.453497] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4352.506194] 00000000ffffffff 000000000c816e5f ffff88005966f9d8 ffffffffb26ec5cc [ 4352.554049] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4352.596753] ffff880000000010 ffff88005966fa00 ffff88005966f9b0 ffffffffb363c3e0 [ 4352.643311] Call Trace: [ 4352.660017] [] dump_stack+0xd7/0x132 [ 4352.696481] [] ? arch_local_irq_restore+0x1b/0x1b [ 4352.738891] [] ubsan_epilogue+0x12/0x53 [ 4352.774081] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4352.811787] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4352.859748] [] ? ip6_dst_lookup_tail+0x6f5/0x709 [ 4352.903398] [] ip6_dst_lookup_flow+0x1c0/0x25e [ 4352.939235] [] ? ip6_dst_lookup+0x63/0x63 [ 4352.973288] [] ip6_datagram_dst_update+0x43f/0x9e3 [ 4353.012589] [] ? sock_recv_timestamp+0x283/0x283 [ 4353.054652] [] ? __jhash_nwords+0x6c/0x6c [ 4353.089290] [] ? udp_disconnect+0x379/0x379 [ 4353.127014] [] ip6_datagram_connect+0x710/0x9a1 [ 4353.170281] [] ? ip6_datagram_connect+0x710/0x9a1 [ 4353.210178] [] ? ip6_datagram_release_cb+0x18d/0x18d [ 4353.247356] [] ? _raw_spin_unlock_bh+0x1c/0x1e [ 4353.286752] [] ? inet_autobind+0x13f/0x13f [ 4353.324426] [] inet_dgram_connect+0x16f/0x19c [ 4353.360692] [] SYSC_connect+0x1ca/0x267 [ 4353.392556] [] ? SYSC_bind+0x1f7/0x1f7 [ 4353.427560] [] ? sock_alloc_file+0x2cf/0x315 [ 4353.467998] [] ? copy_user_overflow+0x33/0x33 [ 4353.506159] [] ? __sock_create+0x3e2/0x3f4 [ 4353.535155] [] ? SYSC_socket+0x11e/0x157 [ 4353.573252] [] ? sock_create+0x9d/0x9d [ 4353.602620] [] ? do_munmap+0x99c/0x9ae [ 4353.635294] [] SyS_connect+0x2f/0x31 [ 4353.675265] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4353.714894] ================================================================================ [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 4353.862426] ================================================================================ [ 4353.893250] UBSAN: Undefined behaviour in net/core/sock.c:1616:30 [ 4353.911026] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4353.940163] which requires 64 byte alignment [ 4353.954091] CPU: 0 PID: 1660 Comm: sshd Tainted: G L 4.8.11 #1 [ 4353.975624] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4354.005581] 00000000ffffffff 000000000c816e5f ffff88005966fa48 ffffffffb26ec5cc [ 4354.028260] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4354.053155] ffff880000000010 ffff88005966fa70 ffff88005966fa20 ffffffffb363c3e0 [ 4354.077632] Call Trace: [ 4354.085275] [] dump_stack+0xd7/0x132 [ 4354.102977] [] ? arch_local_irq_restore+0x1b/0x1b [ 4354.120061] [] ubsan_epilogue+0x12/0x53 [ 4354.136363] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4354.157691] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4354.180033] [] sk_setup_caps+0x96/0x3cf [ 4354.198434] [] ip6_datagram_dst_update+0x909/0x9e3 [ 4354.216513] [] ? sock_recv_timestamp+0x283/0x283 [ 4354.235331] [] ? __jhash_nwords+0x6c/0x6c [ 4354.252312] [] ? udp_disconnect+0x379/0x379 [ 4354.272460] [] ip6_datagram_connect+0x710/0x9a1 [ 4354.291298] [] ? ip6_datagram_connect+0x710/0x9a1 [ 4354.315088] [] ? ip6_datagram_release_cb+0x18d/0x18d [ 4354.336506] [] ? _raw_spin_unlock_bh+0x1c/0x1e [ 4354.357547] [] ? inet_autobind+0x13f/0x13f [ 4354.378294] [] inet_dgram_connect+0x16f/0x19c [ 4354.395130] [] SYSC_connect+0x1ca/0x267 [ 4354.412775] [] ? SYSC_bind+0x1f7/0x1f7 [ 4354.433084] [] ? sock_alloc_file+0x2cf/0x315 [ 4354.452932] [] ? copy_user_overflow+0x33/0x33 [ 4354.468901] [] ? __sock_create+0x3e2/0x3f4 [ 4354.487587] [] ? SYSC_socket+0x11e/0x157 [ 4354.507525] [] ? sock_create+0x9d/0x9d [ 4354.528640] [] ? do_munmap+0x99c/0x9ae [ 4354.545062] [] SyS_connect+0x2f/0x31 [ 4354.561594] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4354.580634] ================================================================================ [ 4354.610299] ================================================================================ [ 4354.648871] UBSAN: Undefined behaviour in net/core/sock.c:1625:34 [ 4354.671601] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4354.697612] which requires 64 byte alignment [ 4354.711537] CPU: 0 PID: 1660 Comm: sshd Tainted: G L 4.8.11 #1 [ 4354.757510] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4354.830315] 00000000ffffffff 000000000c816e5f ffff88005966fa48 ffffffffb26ec5cc [ 4354.918051] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4355.028264] ffffffff00000010 ffff88005966fa70 ffff88005966fa20 ffffffffb363c3e0 [ 4355.110215] Call Trace: [ 4355.117085] [] dump_stack+0xd7/0x132 [ 4355.173426] [] ? arch_local_irq_restore+0x1b/0x1b [ 4355.208621] [] ubsan_epilogue+0x12/0x53 [ 4355.244215] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4355.291343] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4355.340923] [] sk_setup_caps+0x2fa/0x3cf [ 4355.375981] [] ip6_datagram_dst_update+0x909/0x9e3 [ 4355.424344] [] ? sock_recv_timestamp+0x283/0x283 [ 4355.467707] [] ? __jhash_nwords+0x6c/0x6c [ 4355.505565] [] ? udp_disconnect+0x379/0x379 [ 4355.547008] [] ip6_datagram_connect+0x710/0x9a1 [ 4355.586975] [] ? ip6_datagram_connect+0x710/0x9a1 [ 4355.647919] [] ? ip6_datagram_release_cb+0x18d/0x18d [ 4355.694932] [] ? _raw_spin_unlock_bh+0x1c/0x1e [ 4355.724654] [] ? inet_autobind+0x13f/0x13f [ 4355.767282] [] inet_dgram_connect+0x16f/0x19c [ 4355.787926] [] SYSC_connect+0x1ca/0x267 [ 4355.804788] [] ? SYSC_bind+0x1f7/0x1f7 [ 4355.822296] [] ? sock_alloc_file+0x2cf/0x315 [ 4355.838925] [] ? copy_user_overflow+0x33/0x33 [ 4355.860611] [] ? __sock_create+0x3e2/0x3f4 [ 4355.877454] [] ? SYSC_socket+0x11e/0x157 [ 4355.895544] [] ? sock_create+0x9d/0x9d [ 4355.912710] [] ? do_munmap+0x99c/0x9ae [ 4355.930138] [] SyS_connect+0x2f/0x31 [ 4355.945246] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4355.964063] ================================================================================ [ 4356.002250] ================================================================================ [ 4356.031975] UBSAN: Undefined behaviour in net/core/sock.c:1626:15 [ 4356.050357] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4356.078934] which requires 64 byte alignment [ 4356.090956] CPU: 0 PID: 1660 Comm: sshd Tainted: G L 4.8.11 #1 [ 4356.116622] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4356.147346] 00000000ffffffff 000000000c816e5f ffff88005966fa48 ffffffffb26ec5cc [ 4356.170998] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4356.193388] ffffffff00000010 ffff88005966fa70 ffff88005966fa20 ffffffffb363c3e0 [ 4356.218427] Call Trace: [ 4356.225050] [] dump_stack+0xd7/0x132 [ 4356.242527] [] ? arch_local_irq_restore+0x1b/0x1b [ 4356.259170] [] ubsan_epilogue+0x12/0x53 [ 4356.280242] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4356.303477] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4356.326263] [] sk_setup_caps+0x372/0x3cf [ 4356.343995] [] ip6_datagram_dst_update+0x909/0x9e3 [ 4356.363105] [] ? sock_recv_timestamp+0x283/0x283 [ 4356.384149] [] ? __jhash_nwords+0x6c/0x6c [ 4356.402992] [] ? udp_disconnect+0x379/0x379 [ 4356.417642] [] ip6_datagram_connect+0x710/0x9a1 [ 4356.438220] [] ? ip6_datagram_connect+0x710/0x9a1 [ 4356.459184] [] ? ip6_datagram_release_cb+0x18d/0x18d [ 4356.481115] [] ? _raw_spin_unlock_bh+0x1c/0x1e [ 4356.501471] [] ? inet_autobind+0x13f/0x13f [ 4356.519014] [] inet_dgram_connect+0x16f/0x19c [ 4356.541055] [] SYSC_connect+0x1ca/0x267 [ 4356.558760] [] ? SYSC_bind+0x1f7/0x1f7 [ 4356.573303] [] ? sock_alloc_file+0x2cf/0x315 [ 4356.590162] [] ? copy_user_overflow+0x33/0x33 [ 4356.607418] [] ? __sock_create+0x3e2/0x3f4 [ 4356.625013] [] ? SYSC_socket+0x11e/0x157 [ 4356.640873] [] ? sock_create+0x9d/0x9d [ 4356.656711] [] ? do_munmap+0x99c/0x9ae [ 4356.672750] [] SyS_connect+0x2f/0x31 [ 4356.692020] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 4356.713707] ================================================================================ [?25l[?1c7[ ok 8[?25h[?0c. [ 4360.022667] ================================================================================ [ 4360.050678] UBSAN: Undefined behaviour in ./include/linux/netdevice.h:3357:2 [ 4360.074910] member access within misaligned address ffff88005bdf6820 for type 'struct net_device' [ 4360.109667] which requires 64 byte alignment [ 4360.123766] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G L 4.8.11 #1 [ 4360.148376] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4360.179432] 00000000ffffffff e5344f8b99d4199e ffff88005d507cc8 ffffffffb26ec5cc [ 4360.204218] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4360.227033] 0000000000000010 ffff88005d507cf0 ffff88005d507ca0 ffffffffb363c3e0 [ 4360.249749] Call Trace: [ 4360.256985] [] dump_stack+0xd7/0x132 [ 4360.275008] [] ? arch_local_irq_restore+0x1b/0x1b [ 4360.297671] [] ubsan_epilogue+0x12/0x53 [ 4360.316560] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4360.343114] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4360.363476] [] ? kasan_slab_free+0x8a/0x96 [ 4360.379958] [] ? rt_dst_alloc+0x428/0x428 [ 4360.399440] [] dst_destroy+0x1e7/0x359 [ 4360.420494] [] ? __dst_free+0x1c5/0x1c5 [ 4360.437731] [] dst_destroy_rcu+0x1d/0x3b [ 4360.458939] [] rcu_process_callbacks+0xdf4/0x12b0 [ 4360.483326] [] ? note_gp_changes+0x244/0x244 [ 4360.504280] [] ? native_apic_msr_write+0x29/0x2b [ 4360.525762] [] ? apic_write+0x53/0x5a [ 4360.543543] [] __do_softirq+0x211/0x59e [ 4360.560060] [] irq_exit+0x65/0xd6 [ 4360.576111] [] smp_apic_timer_interrupt+0x33/0x3e [ 4360.595959] [] apic_timer_interrupt+0x82/0x90 [ 4360.612464] [] ? test_ti_thread_flag.constprop.3+0x30/0x40 [ 4360.640505] [] ? native_safe_halt+0x6/0x8 [ 4360.657784] [] default_idle+0x1f/0x32 [ 4360.676522] [] arch_cpu_idle+0xf/0x11 [ 4360.689578] [] default_idle_call+0x1e/0x20 [ 4360.707383] [] cpu_startup_entry+0x20f/0x384 [ 4360.725182] [] ? default_idle_call+0x20/0x20 [ 4360.746335] [] ? clockevents_register_device+0x1af/0x1b8 [ 4360.767639] [] start_secondary+0x27d/0x2d7 [ 4360.786572] [] ? set_cpu_sibling_map+0x114f/0x114f [ 4360.804943] ================================================================================ Debian GNU/Linux 7 xnoXk ttyS0 xnoXk login: [ 4391.838862] ================================================================================ [ 4391.870952] UBSAN: Undefined behaviour in fs/ext4/extents.c:1902:7 [ 4391.889805] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4391.917094] which requires 64 byte alignment [ 4391.930932] CPU: 2 PID: 296 Comm: kworker/u10:1 Tainted: G L 4.8.11 #1 [ 4391.954801] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4391.985652] Workqueue: writeback wb_workfn (flush-8:0) [ 4392.001418] 00000000ffffffff 00000000dfa0c633 ffff8800a2f8f1b8 ffffffffb26ec5cc [ 4392.030907] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4392.051517] ffffffff00000010 ffff8800a2f8f1e0 ffff8800a2f8f190 ffffffffb363c3e0 [ 4392.077056] Call Trace: [ 4392.084475] [] dump_stack+0xd7/0x132 [ 4392.103221] [] ? arch_local_irq_restore+0x1b/0x1b [ 4392.118357] [] ubsan_epilogue+0x12/0x53 [ 4392.135098] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4392.155964] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4392.177100] [] ext4_ext_map_blocks+0x17f9/0x25b7 [ 4392.195015] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4392.213640] [] ? __put_compound_page+0x77/0x77 [ 4392.233199] [] ? lru_add_drain_cpu+0x310/0x31c [ 4392.252162] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4392.275000] [] ? down_write+0xb3/0xea [ 4392.290032] [] ? __down_timeout+0x18/0x18 [ 4392.304607] [] ext4_map_blocks+0x815/0xef8 [ 4392.322890] [] ? ext4_issue_zeroout+0x182/0x182 [ 4392.341802] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 4392.362421] [] ext4_writepages+0xab5/0x1c84 [ 4392.380700] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4392.399282] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4392.418206] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4392.440529] [] ? ext4_write_inode+0x1cb/0x3ec [ 4392.463749] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4392.483297] [] do_writepages+0xe5/0x10c [ 4392.499144] [] ? do_writepages+0xe5/0x10c [ 4392.513039] [] ? __writeback_single_inode+0xa1/0x8d6 [ 4392.530456] [] __writeback_single_inode+0x11b/0x8d6 [ 4392.553100] [] writeback_sb_inodes+0x623/0xc39 [ 4392.571332] [] ? wbc_detach_inode+0x521/0x521 [ 4392.587738] [] ? queue_io+0x323/0x3e9 [ 4392.602946] [] __writeback_inodes_wb+0x10a/0x1aa [ 4392.617916] [] wb_writeback+0x400/0x7d0 [ 4392.632675] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 4392.652793] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 4392.671480] [] ? get_nr_inodes_unused+0x105/0x11c [ 4392.690150] [] wb_workfn+0x6de/0x936 [ 4392.705114] [] ? wb_workfn+0x6de/0x936 [ 4392.721775] [] ? inode_wait_for_writeback+0x39/0x39 [ 4392.741445] [] ? wq_nice_show+0xab/0xab [ 4392.758720] [] ? get_work_pwq+0x58/0x58 [ 4392.775134] [] process_one_work+0x54a/0x88e [ 4392.791175] [] ? create_worker+0x528/0x528 [ 4392.809435] [] ? worker_clr_flags+0x187/0x193 [ 4392.825070] [] worker_thread+0x67c/0x857 [ 4392.842920] [] kthread+0x1f7/0x20b [ 4392.858841] [] ? rescuer_thread+0x91f/0x91f [ 4392.878961] [] ? init_completion+0x48/0x48 [ 4392.893275] [] ret_from_fork+0x1f/0x40 [ 4392.906662] [] ? init_completion+0x48/0x48 [ 4392.922451] ================================================================================ [ 4423.583323] ================================================================================ [ 4423.611833] UBSAN: Undefined behaviour in fs/ext4/mballoc.c:3387:13 [ 4423.629662] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [ 4423.652952] which requires 64 byte alignment [ 4423.666803] CPU: 3 PID: 296 Comm: kworker/u10:1 Tainted: G L 4.8.11 #1 [ 4423.689893] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [ 4423.717375] Workqueue: writeback wb_workfn (flush-8:0) [ 4423.730090] 00000000ffffffff 00000000dfa0c633 ffff8800a2f8f090 ffffffffb26ec5cc [ 4423.750853] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [ 4423.772595] 0000000000000010 ffff8800a2f8f0b8 ffff8800a2f8f068 ffffffffb363c3e0 [ 4423.794798] Call Trace: [ 4423.802752] [] dump_stack+0xd7/0x132 [ 4423.820943] [] ? arch_local_irq_restore+0x1b/0x1b [ 4423.835679] [] ubsan_epilogue+0x12/0x53 [ 4423.851496] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [ 4423.873438] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4423.893676] [] ? ext4_mb_unload_buddy+0xab/0xab [ 4423.912415] [] ext4_mb_use_preallocated.constprop.15+0x1bb/0x8d1 [ 4423.932579] [] ext4_mb_new_blocks+0x8a6/0x209c [ 4423.949008] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4423.970245] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [ 4423.989819] [] ext4_ext_map_blocks+0x1ba7/0x25b7 [ 4424.008124] [] ? ext4_find_delalloc_cluster+0xd5/0xd5 [ 4424.029991] [] ? find_get_entry+0x104/0x104 [ 4424.045959] [] ? __put_compound_page+0x77/0x77 [ 4424.063793] [] ? lru_add_drain_cpu+0x310/0x31c [ 4424.080739] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4424.100375] [] ext4_map_blocks+0x815/0xef8 [ 4424.114883] [] ? ext4_issue_zeroout+0x182/0x182 [ 4424.129929] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [ 4424.145494] [] ext4_writepages+0xab5/0x1c84 [ 4424.162747] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4424.180299] [] ? update_group_capacity+0x78f/0x78f [ 4424.200221] [] ? fprop_reflect_period_percpu+0x2c0/0x36c [ 4424.219770] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [ 4424.238197] [] ? ext4_mark_inode_dirty+0x7a3/0x7a3 [ 4424.252433] [] do_writepages+0xe5/0x10c [ 4424.270426] [] ? do_writepages+0xe5/0x10c [ 4424.288223] [] ? __writeback_single_inode+0xa1/0x8d6 [ 4424.305885] [] __writeback_single_inode+0x11b/0x8d6 [ 4424.326618] [] writeback_sb_inodes+0x623/0xc39 [ 4424.342579] [] ? redirty_tail+0x13c/0x13c [ 4424.358051] [] ? wbc_detach_inode+0x521/0x521 [ 4424.378270] [] ? queue_io+0x323/0x3e9 [ 4424.394945] [] __writeback_inodes_wb+0x10a/0x1aa [ 4424.411795] [] wb_writeback+0x400/0x7d0 [ 4424.427981] [] ? writeback_inodes_wb.constprop.43+0x1c4/0x1c4 [ 4424.448454] [] ? _find_next_bit.part.0+0xd5/0xe3 [ 4424.465444] [] ? get_nr_inodes_unused+0x105/0x11c [ 4424.485063] [] wb_workfn+0x6de/0x936 [ 4424.500459] [] ? wb_workfn+0x6de/0x936 [ 4424.513178] [] ? inode_wait_for_writeback+0x39/0x39 [ 4424.533031] [] ? wq_nice_show+0xab/0xab [ 4424.546633] [] process_one_work+0x54a/0x88e [ 4424.563902] [] ? create_worker+0x528/0x528 [ 4424.579548] [] ? worker_clr_flags+0x187/0x193 [ 4424.596453] [] worker_thread+0x67c/0x857 [ 4424.611678] [] kthread+0x1f7/0x20b [ 4424.624615] [] ? rescuer_thread+0x91f/0x91f [ 4424.639626] [] ? init_completion+0x48/0x48 [ 4424.654573] [] ret_from_fork+0x1f/0x40 [ 4424.671365] [] ? init_completion+0x48/0x48 [ 4424.688165] ================================================================================ [30011.188737] ================================================================================ [30011.524236] UBSAN: Undefined behaviour in fs/posix_acl.c:847:7 [30011.629640] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [30011.694236] which requires 64 byte alignment [30011.747695] CPU: 0 PID: 1733 Comm: cp Tainted: G L 4.8.11 #1 [30011.944096] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30012.150283] 00000000ffffffff 0000000075048516 ffff8800570dfbd8 ffffffffb26ec5cc [30012.279744] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30012.369400] ffff880000000010 ffff8800570dfc00 ffff8800570dfbb0 ffffffffb363c3e0 [30012.427712] Call Trace: [30012.507570] [] dump_stack+0xd7/0x132 [30012.561714] [] ? arch_local_irq_restore+0x1b/0x1b [30012.647098] [] ubsan_epilogue+0x12/0x53 [30012.692003] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30012.756120] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30012.828033] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30012.874465] [] posix_acl_xattr_get+0x63/0x143 [30012.952081] [] generic_getxattr+0xd6/0xed [30013.012193] [] ? vfs_getxattr+0x1a6/0x1a6 [30013.062628] [] vfs_getxattr+0x185/0x1a6 [30013.095477] [] getxattr+0x143/0x251 [30013.172915] [] ? removexattr+0x11b/0x11b [30013.270036] [] ? balance_callback+0x3a/0x137 [30013.354123] [] ? __schedule+0x123d/0x126c [30013.417565] [] ? io_schedule_timeout+0x33d/0x33d [30013.553437] [] ? __fget_light+0xe6/0xf0 [30013.807047] [] SyS_fgetxattr+0x7f/0xb5 [30013.978721] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30014.067481] ================================================================================ [30014.332278] ================================================================================ [30014.693418] UBSAN: Undefined behaviour in security/commoncap.c:667:25 [30014.856062] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [30014.967324] which requires 64 byte alignment [30015.006237] CPU: 3 PID: 1733 Comm: cp Tainted: G L 4.8.11 #1 [30015.064667] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30015.173773] 00000000ffffffff 0000000075048516 ffff8800570dfbe0 ffffffffb26ec5cc [30015.256121] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30015.410680] ffff880000000010 ffff8800570dfc08 ffff8800570dfbb8 ffffffffb363c3e0 [30015.473228] Call Trace: [30015.496015] [] dump_stack+0xd7/0x132 [30015.543476] [] ? arch_local_irq_restore+0x1b/0x1b [30015.609785] [] ubsan_epilogue+0x12/0x53 [30015.828088] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30016.067706] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30016.197967] [] cap_inode_setxattr+0x58/0xd1 [30016.310564] [] security_inode_setxattr+0x13b/0x1a2 [30016.570859] [] vfs_setxattr+0x8c/0xd4 [30016.814148] [] setxattr+0x1fb/0x265 [30016.941474] [] ? path_removexattr+0x156/0x156 [30017.019380] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30017.246466] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30017.496367] [] SyS_fsetxattr+0xa3/0xe2 [30017.548655] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30017.625450] ================================================================================ [30017.780366] ================================================================================ [30017.940894] UBSAN: Undefined behaviour in fs/xattr.c:786:12 [30017.978608] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [30018.070072] which requires 64 byte alignment [30018.101993] CPU: 3 PID: 1733 Comm: cp Tainted: G L 4.8.11 #1 [30018.155951] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30018.362569] 00000000ffffffff 0000000075048516 ffff8800570dfbb8 ffffffffb26ec5cc [30018.445087] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30018.521545] ffff880000000010 ffff8800570dfbe0 ffff8800570dfb90 ffffffffb363c3e0 [30018.597006] Call Trace: [30018.625264] [] dump_stack+0xd7/0x132 [30018.691507] [] ? arch_local_irq_restore+0x1b/0x1b [30018.781953] [] ubsan_epilogue+0x12/0x53 [30018.859645] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30018.923519] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30018.989439] [] generic_setxattr+0x82/0x110 [30019.047633] [] ? generic_getxattr+0xed/0xed [30019.096247] [] __vfs_setxattr_noperm+0x16d/0x1f3 [30019.146447] [] vfs_setxattr+0xaa/0xd4 [30019.189832] [] setxattr+0x1fb/0x265 [30019.223648] [] ? path_removexattr+0x156/0x156 [30019.284782] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30019.381189] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30019.561633] [] SyS_fsetxattr+0xa3/0xe2 [30019.666372] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30019.833101] ================================================================================ [30020.261709] ================================================================================ [30020.358993] UBSAN: Undefined behaviour in fs/posix_acl.c:867:7 [30020.417099] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [30020.489701] which requires 64 byte alignment [30020.524377] CPU: 0 PID: 1733 Comm: cp Tainted: G L 4.8.11 #1 [30020.603338] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30020.723577] 00000000ffffffff 0000000075048516 ffff8800570dfb40 ffffffffb26ec5cc [30020.849779] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30020.990210] 0000000000000010 ffff8800570dfb68 ffff8800570dfb18 ffffffffb363c3e0 [30021.095061] Call Trace: [30021.227767] [] dump_stack+0xd7/0x132 [30021.530171] [] ? arch_local_irq_restore+0x1b/0x1b [30021.594109] [] ubsan_epilogue+0x12/0x53 [30021.628887] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30021.690103] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30021.750732] [] set_posix_acl+0x64/0x23a [30021.808915] [] ? posix_acl_xattr_set+0x7d/0xa9 [30021.879779] [] posix_acl_xattr_set+0x8d/0xa9 [30021.922842] [] generic_setxattr+0xf5/0x110 [30021.975888] [] ? generic_getxattr+0xed/0xed [30022.040946] [] __vfs_setxattr_noperm+0x16d/0x1f3 [30022.097033] [] vfs_setxattr+0xaa/0xd4 [30022.128183] [] setxattr+0x1fb/0x265 [30022.212451] [] ? path_removexattr+0x156/0x156 [30022.272683] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30022.360363] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30022.422633] [] SyS_fsetxattr+0xa3/0xe2 [30022.463837] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30022.522811] ================================================================================ [30022.589309] ================================================================================ [30022.954243] UBSAN: Undefined behaviour in fs/posix_acl.c:878:13 [30022.998050] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [30023.076982] which requires 64 byte alignment [30023.127696] CPU: 0 PID: 1733 Comm: cp Tainted: G L 4.8.11 #1 [30023.192560] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30023.258033] 00000000ffffffff 0000000075048516 ffff8800570dfb40 ffffffffb26ec5cc [30023.324502] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30023.410046] ffff880000000010 ffff8800570dfb68 ffff8800570dfb18 ffffffffb363c3e0 [30023.471966] Call Trace: [30023.492963] [] dump_stack+0xd7/0x132 [30023.530273] [] ? arch_local_irq_restore+0x1b/0x1b [30023.578147] [] ubsan_epilogue+0x12/0x53 [30023.626904] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30023.681715] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30023.744907] [] set_posix_acl+0x200/0x23a [30023.798164] [] posix_acl_xattr_set+0x8d/0xa9 [30023.888678] [] generic_setxattr+0xf5/0x110 [30023.949019] [] ? generic_getxattr+0xed/0xed [30024.067621] [] __vfs_setxattr_noperm+0x16d/0x1f3 [30024.151789] [] vfs_setxattr+0xaa/0xd4 [30024.333283] [] setxattr+0x1fb/0x265 [30024.448166] [] ? path_removexattr+0x156/0x156 [30024.624908] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30024.679263] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30024.844609] [] SyS_fsetxattr+0xa3/0xe2 [30024.951039] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30025.184947] ================================================================================ [30025.341632] ================================================================================ [30025.467661] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [30025.642146] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [30025.830209] which requires 64 byte alignment [30025.933692] CPU: 0 PID: 1733 Comm: cp Tainted: G L 4.8.11 #1 [30026.534860] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30026.864358] 00000000ffffffff 0000000075048516 ffff8800570dfa68 ffffffffb26ec5cc [30027.177873] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30027.399102] ffffffff00000010 ffff8800570dfa90 ffff8800570dfa40 ffffffffb363c3e0 [30027.665603] Call Trace: [30027.744690] [] dump_stack+0xd7/0x132 [30027.893501] [] ? arch_local_irq_restore+0x1b/0x1b [30028.036806] [] ubsan_epilogue+0x12/0x53 [30028.154745] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30028.326863] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30028.504089] [] ? ubsan_epilogue+0x26/0x53 [30028.619585] [] ext4_set_acl+0x10f/0x468 [30028.728889] [] ? ext4_get_acl+0x53e/0x53e [30028.872133] [] set_posix_acl+0x1ba/0x23a [30029.027472] [] posix_acl_xattr_set+0x8d/0xa9 [30029.127261] [] generic_setxattr+0xf5/0x110 [30029.161127] [] ? generic_getxattr+0xed/0xed [30029.222599] [] __vfs_setxattr_noperm+0x16d/0x1f3 [30029.370502] [] vfs_setxattr+0xaa/0xd4 [30029.450041] [] setxattr+0x1fb/0x265 [30029.518485] [] ? path_removexattr+0x156/0x156 [30029.636108] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30029.742063] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30029.843243] [] SyS_fsetxattr+0xa3/0xe2 [30029.988889] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30030.087279] ================================================================================ [30030.220150] ================================================================================ [30030.360272] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1780:1 [30030.505727] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [30030.726754] which requires 64 byte alignment [30030.782656] CPU: 0 PID: 1733 Comm: cp Tainted: G L 4.8.11 #1 [30030.828208] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30030.896360] 00000000ffffffff 0000000075048516 ffff8800570dfa68 ffffffffb26ec5cc [30030.939989] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30030.996203] ffffffff00000010 ffff8800570dfa90 ffff8800570dfa40 ffffffffb363c3e0 [30031.050056] Call Trace: [30031.063649] [] dump_stack+0xd7/0x132 [30031.153545] [] ? arch_local_irq_restore+0x1b/0x1b [30031.201330] [] ubsan_epilogue+0x12/0x53 [30031.336336] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30031.481402] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30031.599571] [] ? ubsan_epilogue+0x26/0x53 [30031.653427] [] ext4_set_acl+0x13c/0x468 [30031.738741] [] ? ext4_get_acl+0x53e/0x53e [30031.962265] [] set_posix_acl+0x1ba/0x23a [30032.251851] [] posix_acl_xattr_set+0x8d/0xa9 [30032.386936] [] generic_setxattr+0xf5/0x110 [30032.497634] [] ? generic_getxattr+0xed/0xed [30032.653511] [] __vfs_setxattr_noperm+0x16d/0x1f3 [30032.758481] [] vfs_setxattr+0xaa/0xd4 [30032.871543] [] setxattr+0x1fb/0x265 [30033.237148] [] ? path_removexattr+0x156/0x156 [30033.401154] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30033.567425] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30033.803969] [] SyS_fsetxattr+0xa3/0xe2 [30033.942844] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30034.069738] ================================================================================ [30034.437065] ================================================================================ [30034.738823] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [30035.037762] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [30035.211607] which requires 64 byte alignment [30035.407033] CPU: 0 PID: 1733 Comm: cp Tainted: G L 4.8.11 #1 [30035.675501] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30036.027734] 00000000ffffffff 0000000075048516 ffff8800570dfa68 ffffffffb26ec5cc [30036.287142] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30036.462359] ffffffff00000010 ffff8800570dfa90 ffff8800570dfa40 ffffffffb363c3e0 [30036.683622] Call Trace: [30036.788328] [] dump_stack+0xd7/0x132 [30037.042977] [] ? arch_local_irq_restore+0x1b/0x1b [30037.195904] [] ubsan_epilogue+0x12/0x53 [30037.359808] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30037.810746] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30038.123109] [] ? ubsan_epilogue+0x26/0x53 [30038.315960] [] ext4_set_acl+0x1bb/0x468 [30038.427483] [] ? ext4_get_acl+0x53e/0x53e [30038.912884] [] set_posix_acl+0x1ba/0x23a [30039.023252] [] posix_acl_xattr_set+0x8d/0xa9 [30039.101370] [] generic_setxattr+0xf5/0x110 [30039.177342] [] ? generic_getxattr+0xed/0xed [30039.591926] [] __vfs_setxattr_noperm+0x16d/0x1f3 [30039.741621] [] vfs_setxattr+0xaa/0xd4 [30039.858041] [] setxattr+0x1fb/0x265 [30040.078157] [] ? path_removexattr+0x156/0x156 [30040.241510] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30040.768535] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30041.106797] [] SyS_fsetxattr+0xa3/0xe2 [30041.207984] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30041.329063] ================================================================================ [30041.469101] ================================================================================ [30041.674553] UBSAN: Undefined behaviour in fs/ext4/ext4_jbd2.h:109:16 [30041.747179] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [30041.943889] which requires 64 byte alignment [30042.025158] CPU: 0 PID: 1733 Comm: cp Tainted: G L 4.8.11 #1 [30042.143727] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30042.307093] 00000000ffffffff 0000000075048516 ffff8800570dfa68 ffffffffb26ec5cc [30042.485890] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30042.625615] ffffffff00000010 ffff8800570dfa90 ffff8800570dfa40 ffffffffb363c3e0 [30042.705364] Call Trace: [30042.743869] [] dump_stack+0xd7/0x132 [30042.831717] [] ? arch_local_irq_restore+0x1b/0x1b [30043.037789] [] ubsan_epilogue+0x12/0x53 [30043.110437] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30043.258930] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30043.403344] [] ? ubsan_epilogue+0x26/0x53 [30043.612470] [] ext4_set_acl+0x1d5/0x468 [30043.792791] [] ? ext4_get_acl+0x53e/0x53e [30044.116628] [] set_posix_acl+0x1ba/0x23a [30044.464745] [] posix_acl_xattr_set+0x8d/0xa9 [30044.795447] [] generic_setxattr+0xf5/0x110 [30044.953909] [] ? generic_getxattr+0xed/0xed [30045.246600] [] __vfs_setxattr_noperm+0x16d/0x1f3 [30045.595610] [] vfs_setxattr+0xaa/0xd4 [30045.829257] [] setxattr+0x1fb/0x265 [30045.998435] [] ? path_removexattr+0x156/0x156 [30046.715180] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30047.007724] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30047.130687] [] SyS_fsetxattr+0xa3/0xe2 [30047.518966] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30047.717367] ================================================================================ [30047.946524] ================================================================================ [30048.363711] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [30048.687591] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [30048.910168] which requires 64 byte alignment [30049.070133] CPU: 0 PID: 1733 Comm: cp Tainted: G L 4.8.11 #1 [30049.432447] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30049.619675] 00000000ffffffff 0000000075048516 ffff8800570dfa68 ffffffffb26ec5cc [30049.746638] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30050.011176] ffffffff00000010 ffff8800570dfa90 ffff8800570dfa40 ffffffffb363c3e0 [30050.190943] Call Trace: [30050.267590] [] dump_stack+0xd7/0x132 [30050.378817] [] ? arch_local_irq_restore+0x1b/0x1b [30050.962639] [] ubsan_epilogue+0x12/0x53 [30051.086217] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30051.202970] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30051.303661] [] ? ubsan_epilogue+0x26/0x53 [30051.447816] [] ext4_set_acl+0x224/0x468 [30051.513886] [] ? ext4_get_acl+0x53e/0x53e [30051.667279] [] set_posix_acl+0x1ba/0x23a [30051.761428] [] posix_acl_xattr_set+0x8d/0xa9 [30051.891189] [] generic_setxattr+0xf5/0x110 [30051.983518] [] ? generic_getxattr+0xed/0xed [30052.101277] [] __vfs_setxattr_noperm+0x16d/0x1f3 [30052.201795] [] vfs_setxattr+0xaa/0xd4 [30052.278020] [] setxattr+0x1fb/0x265 [30052.363025] [] ? path_removexattr+0x156/0x156 [30052.463773] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30052.602255] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30052.749968] [] SyS_fsetxattr+0xa3/0xe2 [30052.827104] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30052.935989] ================================================================================ [30053.093352] ================================================================================ [30053.328665] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1769:1 [30053.447246] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [30054.086810] which requires 64 byte alignment [30054.191174] CPU: 0 PID: 1733 Comm: cp Tainted: G L 4.8.11 #1 [30054.329396] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30054.581120] 00000000ffffffff 0000000075048516 ffff8800570dfa68 ffffffffb26ec5cc [30054.871065] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30054.944154] ffffffff00000010 ffff8800570dfa90 ffff8800570dfa40 ffffffffb363c3e0 [30055.079052] Call Trace: [30055.118245] [] dump_stack+0xd7/0x132 [30055.220143] [] ? arch_local_irq_restore+0x1b/0x1b [30055.359895] [] ubsan_epilogue+0x12/0x53 [30055.445952] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30055.568854] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30055.701965] [] ? ubsan_epilogue+0x26/0x53 [30055.826485] [] ext4_set_acl+0x23e/0x468 [30055.850494] [] ? ext4_get_acl+0x53e/0x53e [30055.919079] [] set_posix_acl+0x1ba/0x23a [30056.031380] [] posix_acl_xattr_set+0x8d/0xa9 [30056.095998] [] generic_setxattr+0xf5/0x110 [30056.216639] [] ? generic_getxattr+0xed/0xed [30056.290563] [] __vfs_setxattr_noperm+0x16d/0x1f3 [30056.413277] [] vfs_setxattr+0xaa/0xd4 [30056.481980] [] setxattr+0x1fb/0x265 [30056.568910] [] ? path_removexattr+0x156/0x156 [30056.630054] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30056.743286] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30056.847777] [] SyS_fsetxattr+0xa3/0xe2 [30056.928452] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30057.026930] ================================================================================ [30057.310239] ================================================================================ [30057.471037] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1529:21 [30057.567161] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [30057.702509] which requires 64 byte alignment [30057.770188] CPU: 2 PID: 1733 Comm: cp Tainted: G L 4.8.11 #1 [30057.882911] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30058.004846] 00000000ffffffff 0000000075048516 ffff8800570df978 ffffffffb26ec5cc [30058.130643] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30058.245036] 0000000100000010 ffff8800570df9a0 ffff8800570df950 ffffffffb363c3e0 [30058.531740] Call Trace: [30058.597298] [] dump_stack+0xd7/0x132 [30058.954123] [] ? arch_local_irq_restore+0x1b/0x1b [30059.067936] [] ubsan_epilogue+0x12/0x53 [30059.215995] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30059.983789] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30060.349048] [] ? kasan_slab_alloc+0x12/0x14 [30060.673785] [] ? slab_post_alloc_hook+0x9e/0xb7 [30060.854649] [] __ext4_set_acl+0x155/0x6f9 [30060.969434] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30061.085430] [] ? jbd2__journal_start+0x16d/0x515 [30061.239029] [] ? posix_acl_release+0x37/0x37 [30061.387662] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [30061.669245] [] ext4_set_acl+0x379/0x468 [30061.822633] [] ? ext4_get_acl+0x53e/0x53e [30062.239143] [] set_posix_acl+0x1ba/0x23a [30062.437993] [] posix_acl_xattr_set+0x8d/0xa9 [30063.006895] [] generic_setxattr+0xf5/0x110 [30063.343683] [] ? generic_getxattr+0xed/0xed [30063.656657] [] __vfs_setxattr_noperm+0x16d/0x1f3 [30063.922793] [] vfs_setxattr+0xaa/0xd4 [30064.436400] [] setxattr+0x1fb/0x265 [30064.809098] [] ? path_removexattr+0x156/0x156 [30065.091440] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30065.430703] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30065.749475] [] SyS_fsetxattr+0xa3/0xe2 [30065.825421] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30066.208990] ================================================================================ [30067.044240] ================================================================================ [30067.502801] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [30067.709912] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [30067.824794] which requires 64 byte alignment [30067.992176] CPU: 2 PID: 1733 Comm: cp Tainted: G L 4.8.11 #1 [30068.217502] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30068.409058] 00000000ffffffff 0000000075048516 ffff8800570df770 ffffffffb26ec5cc [30068.556199] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30068.817516] ffff880000000010 ffff8800570df798 ffff8800570df748 ffffffffb363c3e0 [30069.069154] Call Trace: [30069.374252] [] dump_stack+0xd7/0x132 [30069.519815] [] ? arch_local_irq_restore+0x1b/0x1b [30069.673414] [] ubsan_epilogue+0x12/0x53 [30069.799525] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30070.494656] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30070.718558] [] ext4_xattr_ibody_find+0x210/0x3dd [30071.277682] [] ext4_xattr_set_handle+0x2bd/0xb25 [30071.318798] [] ? ext4_xattr_ibody_inline_set+0x2ff/0x2ff [30072.507743] [] ? timespec_trunc+0xb7/0xcc [30073.108825] [] __ext4_set_acl+0x684/0x6f9 [30073.187864] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30073.317196] [] ? jbd2__journal_start+0x16d/0x515 [30073.454682] [] ? posix_acl_release+0x37/0x37 [30073.887184] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [30074.026482] [] ext4_set_acl+0x379/0x468 [30074.126287] [] ? ext4_get_acl+0x53e/0x53e [30074.389568] [] set_posix_acl+0x1ba/0x23a [30074.430200] [] posix_acl_xattr_set+0x8d/0xa9 [30074.864982] [] generic_setxattr+0xf5/0x110 [30075.112754] [] ? generic_getxattr+0xed/0xed [30075.340099] [] __vfs_setxattr_noperm+0x16d/0x1f3 [30075.442866] [] vfs_setxattr+0xaa/0xd4 [30075.758065] [] setxattr+0x1fb/0x265 [30076.354525] [] ? path_removexattr+0x156/0x156 [30076.779769] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30077.369321] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30077.894554] [] SyS_fsetxattr+0xa3/0xe2 [30078.158359] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30078.892745] ================================================================================ [30079.648689] ================================================================================ [30080.785377] UBSAN: Undefined behaviour in fs/ext4/xattr.c:1063:54 [30080.827346] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [30080.984577] which requires 64 byte alignment [30081.001043] CPU: 2 PID: 1733 Comm: cp Tainted: G L 4.8.11 #1 [30081.122494] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30081.553914] 00000000ffffffff 0000000075048516 ffff8800570df770 ffffffffb26ec5cc [30081.682385] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30082.122076] ffff880000000010 ffff8800570df798 ffff8800570df748 ffffffffb363c3e0 [30082.765170] Call Trace: [30082.779721] [] dump_stack+0xd7/0x132 [30082.802713] [] ? arch_local_irq_restore+0x1b/0x1b [30083.357676] [] ubsan_epilogue+0x12/0x53 [30083.851074] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30084.396545] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30084.628832] [] ext4_xattr_ibody_find+0x23d/0x3dd [30085.046585] [] ext4_xattr_set_handle+0x2bd/0xb25 [30085.123631] [] ? ext4_xattr_ibody_inline_set+0x2ff/0x2ff [30085.879291] [] ? timespec_trunc+0xb7/0xcc [30085.909451] [] __ext4_set_acl+0x684/0x6f9 [30086.014383] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30086.626158] [] ? jbd2__journal_start+0x16d/0x515 [30086.653205] [] ? posix_acl_release+0x37/0x37 [30086.889500] [] ? __ext4_journal_start_sb+0x1e2/0x1f3 [30087.268933] [] ext4_set_acl+0x379/0x468 [30087.367405] [] ? ext4_get_acl+0x53e/0x53e [30087.613371] [] set_posix_acl+0x1ba/0x23a [30088.491754] [] posix_acl_xattr_set+0x8d/0xa9 [30089.235426] [] generic_setxattr+0xf5/0x110 [30090.057722] [] ? generic_getxattr+0xed/0xed [30090.480594] [] __vfs_setxattr_noperm+0x16d/0x1f3 [30091.466359] [] vfs_setxattr+0xaa/0xd4 [30091.513365] [] setxattr+0x1fb/0x265 [30091.851849] [] ? path_removexattr+0x156/0x156 [30091.977658] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30092.367410] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30092.614358] [] SyS_fsetxattr+0xa3/0xe2 [30092.989676] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30093.486427] ================================================================================ [30415.289087] INFO: rcu_sched detected stalls on CPUs/tasks: [30415.795043] 1-...: (179 ticks this GP) idle=a8b/140000000000000/0 softirq=22812/22812 fqs=591 [30416.628782] (detected by 0, t=15002 jiffies, g=2343, c=2342, q=565) [30417.245257] Task dump for CPU 1: [30417.572527] init R running task 0 1 0 0x0000000a [30418.291645] ffffea00015cd400 0000000000000000 0000000000000000 0000000300000003 [30419.243909] 1ffff1000b93bea2 0000000041b58ab3 ffffffffb3a29adf ffffffffb20c90fa [30420.123342] ffff88005c9df688 00000000ffffff80 ffff88005c9df658 ffff88005c9df910 [30421.085500] Call Trace: [30421.593359] [] ? pageset_set_high_and_batch+0x173/0x173 [30422.329271] [] ? __rmqueue_smallest+0x2ab/0x2f6 [30422.942708] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 21s! [init:1] [30423.035325] Modules linked in: [30423.035336] CPU: 1 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [30423.035339] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30423.035343] task: ffff8800a348e780 task.stack: ffff88005c9d8000 [30423.035356] RIP: 0010:[] [] __memset+0x24/0x30 [30423.035359] RSP: 0018:ffff88005c9df890 EFLAGS: 00010a87 [30423.035363] RAX: ffffffffffffffff RBX: ffffea0001622c00 RCX: 0000000000000200 [30423.035366] RDX: 0000000000000000 RSI: 00000000000000ff RDI: ffffed000b116000 [30423.035370] RBP: ffff88005c9df898 R08: ffffffffffffffe8 R09: ffffed000b116000 [30423.035373] R10: ffff88005c9dfa40 R11: 0000000000000246 R12: 0000000000000003 [30423.035376] R13: 01ffff0000000000 R14: 0000000001622c00 R15: 0000000000000008 [30423.035381] FS: 00007fd0dcc4b7a0(0000) GS:ffff88005d500000(0000) knlGS:0000000000000000 [30423.035468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [30423.035475] CR2: 00000000006197e0 CR3: 000000005d194000 CR4: 00000000000006e0 [30423.129486] Stack: [30423.129500] ffffffffb21a6688 ffff88005c9df8a8 ffffffffb21a6fac ffff88005c9df970 [30423.129507] ffffffffb20cb424 0000000000000003 0000000000000007 0000000001622c00 [30423.129513] 01ffff0000000000 1ffff1000b93bf1d 0000000100000008 0000000041b58ab3 [30423.129514] Call Trace: [30423.129527] [] ? kasan_poison_shadow+0x2f/0x31 [30423.129555] [] kasan_free_pages+0x34/0x36 [30423.129565] [] __free_pages_ok+0x46e/0x584 [30423.129573] [] ? free_one_page+0x163/0x163 [30423.129581] [] ? poll_select_set_timeout+0x1d3/0x1d3 [30423.129652] [] ? mod_zone_state+0x40/0x12d [30423.129660] [] __free_pages+0x30/0x34 [30423.129666] [] __free_slab+0x3c8/0x3eb [30423.129719] [] ? __list_add+0x249/0x249 [30423.129727] [] discard_slab+0xca/0xd3 [30423.129733] [] __slab_free+0x576/0x58b [30423.129740] [] ? getname_flags+0x4f/0x2e0 [30423.129746] [] ___cache_free+0x1a2/0x1b1 [30423.129752] [] ? ___cache_free+0x1a2/0x1b1 [30423.129759] [] ? qlist_free_all+0x94/0x124 [30423.129765] [] qlist_free_all+0xb3/0x124 [30423.129772] [] quarantine_reduce+0x21c/0x23f [30423.129779] [] kasan_kmalloc+0x27/0xa3 [30423.129786] [] kasan_slab_alloc+0x12/0x14 [30423.130069] [] slab_post_alloc_hook+0x97/0xb7 [30423.130078] [] kmem_cache_alloc+0x20f/0x33f [30423.130084] [] ? getname_flags+0x4f/0x2e0 [30423.241084] [] ? get_monotonic_coarse64+0x11d/0x11d [30423.241120] [] getname_flags+0x4f/0x2e0 [30423.241146] [] user_path_at_empty+0x38/0x55 [30423.241299] [] vfs_fstatat+0xd3/0x169 [30423.241323] [] ? SYSC_fstat+0xe7/0xe7 [30423.241332] [] ? poll_select_set_timeout+0x111/0x1d3 [30423.241339] [] ? select_estimate_accuracy+0x2e6/0x2e6 [30423.241345] [] vfs_stat+0x29/0x2e [30423.241351] [] SYSC_newstat+0x87/0xf4 [30423.241357] [] ? cp_new_stat+0x470/0x470 [30423.241404] [] ? core_sys_select+0x3b6/0x3b6 [30423.241419] [] SyS_newstat+0x27/0x29 [30423.241435] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30423.253531] Code: 90 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 [30459.570601] [] ? expand.isra.46+0x23e/0x23e [30459.812375] [] ? prep_compound_page+0x243/0x28d [30460.059777] [] ? set_pageblock_migratetype+0x6c/0x6c [30460.355617] [] ? kasan_alloc_pages+0x33/0x35 [30460.600370] [] ? __list_add+0x211/0x249 [30461.206444] [] ? assoc_array_gc+0x12e7/0x12e7 [30461.855480] [] ? is_ftrace_trampoline+0x146/0x153 [30462.452396] [] ? __kernel_text_address+0x37/0x55 [30462.845966] [] ? print_context_stack+0x109/0x1c7 [30463.093746] [] ? memcmp+0x59/0x7b [30463.292996] [] ? find_stack+0xb7/0xc6 [30463.548361] [] ? depot_save_stack+0x7da/0x7ff [30463.816616] [] ? save_stack+0xc4/0xce [30464.091251] [] ? save_stack_trace+0x31/0xf1 [30464.354500] [] ? save_stack+0x46/0xce [30464.579479] [] ? kasan_slab_free+0x73/0x96 [30464.783363] [] ? slab_free_freelist_hook+0x129/0x134 [30465.133273] [] ? kmem_cache_free+0x4b/0x2b3 [30465.420411] [] ? putname+0x147/0x151 [30465.680775] [] ? filename_lookup+0x1a1/0x1f3 [30466.007540] [] ? user_path_at_empty+0x4c/0x55 [30466.293152] [] ? vfs_fstatat+0xd3/0x169 [30466.551484] [] ? vfs_stat+0x29/0x2e [30466.851715] [] ? SYSC_newstat+0x87/0xf4 [30467.115870] [] ? SyS_newstat+0x27/0x29 [30467.360618] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [30467.737354] [] ? __rb_change_child+0x127/0x160 [30468.103164] [] ? update_cfs_rq_load_avg+0x3e4/0xcf6 [30468.458780] [] ? div_u64+0xcd/0xcd [30468.737663] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30469.121150] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30469.525734] [] ? rb_insert_color+0x73e/0x77d [30469.917447] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30470.317662] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30470.663877] [] ? __enqueue_entity+0x1ef/0x1fe [30470.980328] [] ? put_prev_task_fair+0x6f/0x7d [30471.247264] [] ? pick_next_task_stop+0x11c/0x12f [30471.381294] [] ? pick_next_task+0x110/0x15c [30471.683922] [] ? io_schedule_timeout+0x33d/0x33d [30471.951613] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30472.351286] [] ? common_perm_cond+0x1ed/0x228 [30472.613395] [] ? common_perm+0x92/0x92 [30472.968324] [] ? preempt_schedule_common+0x1f/0x33 [30473.287063] [] ? _cond_resched+0x19/0x23 [30473.672686] [] ? dput+0x2b/0x723 [30474.015435] [] ? path_put+0x3d/0x69 [30474.297435] [] ? vfs_fstatat+0xf5/0x169 [30474.561427] [] ? SYSC_fstat+0xe7/0xe7 [30474.787874] [] ? poll_select_set_timeout+0x111/0x1d3 [30475.065336] [] ? select_estimate_accuracy+0x2e6/0x2e6 [30475.527973] [] ? vfs_stat+0x29/0x2e [30475.750408] [] ? SYSC_newstat+0x87/0xf4 [30475.972898] [] ? cp_new_stat+0x470/0x470 [30476.307563] [] ? SyS_newstat+0x27/0x29 [30476.569186] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [30477.049395] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 46s! [migration/1:16] [30477.695928] Modules linked in: [30477.853540] CPU: 1 PID: 16 Comm: migration/1 Tainted: G L 4.8.11 #1 [30478.424652] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30479.233649] task: ffff88005ca79dc0 task.stack: ffff88005cae0000 [30479.640791] RIP: 0010:[] [] arch_local_irq_restore+0x6/0xd [30480.288399] RSP: 0018:ffff88005d507dc8 EFLAGS: 00000246 [30480.727348] RAX: ffffed000baa460a RBX: 0000000000000246 RCX: ffffffffb1ef3199 [30481.091954] RDX: 1ffff1000baa460b RSI: 0000000000000246 RDI: 0000000000000246 [30481.496461] RBP: ffff88005d507dc8 R08: ffffed0017cfac09 R09: 0000000000000000 [30482.053503] R10: ffff8800be7d6043 R11: ffffed0017cfac08 R12: ffffffffb4436300 [30482.265205] R13: 000000000001ab99 R14: 0000000000000927 R15: ffffffffb4436300 [30482.424125] FS: 0000000000000000(0000) GS:ffff88005d500000(0000) knlGS:0000000000000000 [30482.560762] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [30482.686416] CR2: 00000000006197e0 CR3: 000000005d194000 CR4: 00000000000006e0 [30482.786344] Stack: [30482.808746] ffff88005d507de0 ffffffffb32af712 ffff88005d523040 ffff88005d507ed8 [30482.927264] ffffffffb1ef3270 0000000000000000 000000ca5d507e30 0000000045395a0c [30483.033772] 0000000000000017 036bb9254f800000 ffff88005cae0000 1ffff1000baa0fca [30483.217154] Call Trace: [30483.250591] [30483.290230] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [30483.448994] [] rcu_process_callbacks+0x4c7/0x12b0 [30483.675221] [] ? timekeeping_delta_to_ns+0x97/0xa6 [30483.734351] [] ? note_gp_changes+0x244/0x244 [30483.848129] [] ? native_apic_msr_write+0x29/0x2b [30483.982773] [] ? apic_write+0x53/0x5a [30484.060935] [] __do_softirq+0x211/0x59e [30484.286722] [] irq_exit+0x65/0xd6 [30484.357178] [] smp_apic_timer_interrupt+0x33/0x3e [30484.437048] [] apic_timer_interrupt+0x82/0x90 [30484.482652] ================================================================================ [30484.514208] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [30484.514220] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [30484.514224] which requires 64 byte alignment [30484.514237] CPU: 3 PID: 1797 Comm: logrotate Tainted: G L 4.8.11 #1 [30484.514243] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30484.514263] 00000000ffffffff 000000005d7bdcd7 ffff88009fa5f4f0 ffffffffb26ec5cc [30484.514278] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30484.514314] ffff880000000010 ffff88009fa5f518 ffff88009fa5f4c8 ffffffffb363c3e0 [30484.514316] Call Trace: [30484.514335] [] dump_stack+0xd7/0x132 [30484.514351] [] ? arch_local_irq_restore+0x1b/0x1b [30484.514365] [] ubsan_epilogue+0x12/0x53 [30484.514380] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30484.514394] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30484.518136] [] ext4_da_invalidatepage+0x155/0xa81 [30484.518155] [] ? filemap_fault+0xc08/0xc08 [30484.518168] [] ? other_inode_match+0x641/0x641 [30484.518181] [] do_invalidatepage+0xb9/0xc7 [30484.518194] [] truncate_inode_page+0x11c/0x150 [30484.518208] [] truncate_inode_pages_range+0x39b/0x995 [30484.518222] [] ? generic_error_remove_page+0xa2/0xa2 [30484.518234] [] ? jbd2_free_handle+0x28/0x2b [30484.518247] [] ? up_write+0x8c/0xd9 [30484.518259] [] ? down_write_trylock+0x100/0x100 [30484.518272] [] ? unmap_mapping_range+0x136/0x2e9 [30484.518283] [] ? up_write+0x8c/0xd9 [30484.518295] [] truncate_inode_pages+0x2b/0x2d [30484.518306] [] truncate_pagecache+0x9d/0xb6 [30484.518316] [] ext4_setattr+0xda4/0x11bd [30484.518327] [] ? ext4_journalled_write_end+0x894/0x894 [30484.518337] [] notify_change+0xa68/0xc5b [30484.518543] [] do_truncate+0x165/0x1e5 [30484.518560] [] ? do_truncate+0x165/0x1e5 [30484.518652] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [30484.518668] [] path_openat+0x222a/0x2525 [30484.518679] [] ? qlink_to_cache+0x22/0x87 [30484.518688] [] ? may_open+0x1c0/0x1c0 [30484.518697] [] ? deactivate_slab+0x53d/0x566 [30484.518705] [] ? getname_flags+0x4f/0x2e0 [30484.518713] [] ? init_object+0x1d6/0x1e2 [30484.518723] [] ? expand_files+0x68a/0x6d7 [30484.518735] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30484.518744] [] do_filp_open+0xe2/0x18c [30484.518753] [] ? path_openat+0x2525/0x2525 [30484.518763] [] ? _find_next_bit.part.0+0xd5/0xe3 [30484.518773] [] ? __alloc_fd+0x43d/0x47f [30484.518783] [] ? exit_files+0xaa/0xaa [30484.518793] [] do_sys_open+0xf5/0x342 [30484.518803] [] ? do_sys_open+0xf5/0x342 [30484.518812] [] ? filp_open+0x68/0x68 [30484.518822] [] SyS_open+0x32/0x39 [30484.518835] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30484.518840] ================================================================================ [30484.519150] ================================================================================ [30484.519163] UBSAN: Undefined behaviour in fs/ext4/inode.c:1594:17 [30484.519172] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [30484.519176] which requires 64 byte alignment [30484.519194] CPU: 3 PID: 1797 Comm: logrotate Tainted: G L 4.8.11 #1 [30484.519200] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30484.519262] 00000000ffffffff 000000005d7bdcd7 ffff88009fa5f4f0 ffffffffb26ec5cc [30484.519279] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30484.519292] ffff880000000010 ffff88009fa5f518 ffff88009fa5f4c8 ffffffffb363c3e0 [30484.519294] Call Trace: [30484.519315] [] dump_stack+0xd7/0x132 [30484.519331] [] ? arch_local_irq_restore+0x1b/0x1b [30484.519377] [] ubsan_epilogue+0x12/0x53 [30484.519397] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30484.519438] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30484.519463] [] ext4_da_invalidatepage+0x56f/0xa81 [30484.519507] [] ? other_inode_match+0x641/0x641 [30484.519524] [] do_invalidatepage+0xb9/0xc7 [30484.519537] [] truncate_inode_page+0x11c/0x150 [30484.519557] [] truncate_inode_pages_range+0x39b/0x995 [30484.519575] [] ? generic_error_remove_page+0xa2/0xa2 [30484.519631] [] ? jbd2_free_handle+0x28/0x2b [30484.519647] [] ? up_write+0x8c/0xd9 [30484.519662] [] ? down_write_trylock+0x100/0x100 [30484.519677] [] ? unmap_mapping_range+0x136/0x2e9 [30484.519710] [] ? up_write+0x8c/0xd9 [30484.519724] [] truncate_inode_pages+0x2b/0x2d [30484.519736] [] truncate_pagecache+0x9d/0xb6 [30484.519747] [] ext4_setattr+0xda4/0x11bd [30484.519759] [] ? ext4_journalled_write_end+0x894/0x894 [30484.519785] [] notify_change+0xa68/0xc5b [30484.519801] [] do_truncate+0x165/0x1e5 [30484.519813] [] ? do_truncate+0x165/0x1e5 [30484.519825] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [30484.519837] [] path_openat+0x222a/0x2525 [30484.519852] [] ? qlink_to_cache+0x22/0x87 [30484.519866] [] ? may_open+0x1c0/0x1c0 [30484.519880] [] ? deactivate_slab+0x53d/0x566 [30484.519894] [] ? getname_flags+0x4f/0x2e0 [30484.519913] [] ? init_object+0x1d6/0x1e2 [30484.519931] [] ? expand_files+0x68a/0x6d7 [30484.519946] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30484.519954] [] do_filp_open+0xe2/0x18c [30484.519961] [] ? path_openat+0x2525/0x2525 [30484.519968] [] ? _find_next_bit.part.0+0xd5/0xe3 [30484.519976] [] ? __alloc_fd+0x43d/0x47f [30484.519985] [] ? exit_files+0xaa/0xaa [30484.519992] [] do_sys_open+0xf5/0x342 [30484.519999] [] ? do_sys_open+0xf5/0x342 [30484.520005] [] ? filp_open+0x68/0x68 [30484.520012] [] SyS_open+0x32/0x39 [30484.520022] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30484.520027] ================================================================================ [30484.520030] ================================================================================ [30484.520037] UBSAN: Undefined behaviour in fs/ext4/inode.c:1594:17 [30484.520042] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [30484.520044] which requires 64 byte alignment [30484.520051] CPU: 3 PID: 1797 Comm: logrotate Tainted: G L 4.8.11 #1 [30484.520055] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30484.520068] 00000000ffffffff 000000005d7bdcd7 ffff88009fa5f4f0 ffffffffb26ec5cc [30484.520076] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30484.520083] ffff880000000010 ffff88009fa5f518 ffff88009fa5f4c8 ffffffffb363c3e0 [30484.520084] Call Trace: [30484.520093] [] dump_stack+0xd7/0x132 [30484.520101] [] ? arch_local_irq_restore+0x1b/0x1b [30484.520108] [] ubsan_epilogue+0x12/0x53 [30484.520115] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30484.520122] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30484.520130] [] ext4_da_invalidatepage+0x5a5/0xa81 [30484.520137] [] ? other_inode_match+0x641/0x641 [30484.520147] [] do_invalidatepage+0xb9/0xc7 [30484.520155] [] truncate_inode_page+0x11c/0x150 [30484.520163] [] truncate_inode_pages_range+0x39b/0x995 [30484.520171] [] ? generic_error_remove_page+0xa2/0xa2 [30484.520179] [] ? jbd2_free_handle+0x28/0x2b [30484.520187] [] ? up_write+0x8c/0xd9 [30484.520195] [] ? down_write_trylock+0x100/0x100 [30484.520203] [] ? unmap_mapping_range+0x136/0x2e9 [30484.520212] [] ? up_write+0x8c/0xd9 [30484.520221] [] truncate_inode_pages+0x2b/0x2d [30484.520228] [] truncate_pagecache+0x9d/0xb6 [30484.520235] [] ext4_setattr+0xda4/0x11bd [30484.520243] [] ? ext4_journalled_write_end+0x894/0x894 [30484.520251] [] notify_change+0xa68/0xc5b [30484.520258] [] do_truncate+0x165/0x1e5 [30484.520264] [] ? do_truncate+0x165/0x1e5 [30484.520271] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [30484.520278] [] path_openat+0x222a/0x2525 [30484.520286] [] ? qlink_to_cache+0x22/0x87 [30484.520292] [] ? may_open+0x1c0/0x1c0 [30484.520299] [] ? deactivate_slab+0x53d/0x566 [30484.520305] [] ? getname_flags+0x4f/0x2e0 [30484.520311] [] ? init_object+0x1d6/0x1e2 [30484.520320] [] ? expand_files+0x68a/0x6d7 [30484.520327] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30484.520335] [] do_filp_open+0xe2/0x18c [30484.520551] [] ? path_openat+0x2525/0x2525 [30484.520572] [] ? _find_next_bit.part.0+0xd5/0xe3 [30484.520582] [] ? __alloc_fd+0x43d/0x47f [30484.520589] [] ? exit_files+0xaa/0xaa [30484.520598] [] do_sys_open+0xf5/0x342 [30484.520604] [] ? do_sys_open+0xf5/0x342 [30484.520611] [] ? filp_open+0x68/0x68 [30484.520618] [] SyS_open+0x32/0x39 [30484.520628] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30484.520634] ================================================================================ [30484.520639] ================================================================================ [30484.520645] UBSAN: Undefined behaviour in fs/ext4/inode.c:1597:30 [30484.520650] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [30484.520652] which requires 64 byte alignment [30484.520660] CPU: 3 PID: 1797 Comm: logrotate Tainted: G L 4.8.11 #1 [30484.520664] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30484.520674] 00000000ffffffff 000000005d7bdcd7 ffff88009fa5f4f0 ffffffffb26ec5cc [30484.520682] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30484.520688] ffff880000000010 ffff88009fa5f518 ffff88009fa5f4c8 ffffffffb363c3e0 [30484.520690] Call Trace: [30484.520697] [] dump_stack+0xd7/0x132 [30484.520705] [] ? arch_local_irq_restore+0x1b/0x1b [30484.520712] [] ubsan_epilogue+0x12/0x53 [30484.520720] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30484.520728] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30484.520737] [] ext4_da_invalidatepage+0x69e/0xa81 [30484.520744] [] ? other_inode_match+0x641/0x641 [30484.520754] [] do_invalidatepage+0xb9/0xc7 [30484.520762] [] truncate_inode_page+0x11c/0x150 [30484.520771] [] truncate_inode_pages_range+0x39b/0x995 [30484.520782] [] ? generic_error_remove_page+0xa2/0xa2 [30484.520791] [] ? jbd2_free_handle+0x28/0x2b [30484.520801] [] ? up_write+0x8c/0xd9 [30484.520810] [] ? down_write_trylock+0x100/0x100 [30484.520819] [] ? unmap_mapping_range+0x136/0x2e9 [30484.520828] [] ? up_write+0x8c/0xd9 [30484.520839] [] truncate_inode_pages+0x2b/0x2d [30484.520848] [] truncate_pagecache+0x9d/0xb6 [30484.520857] [] ext4_setattr+0xda4/0x11bd [30484.520865] [] ? ext4_journalled_write_end+0x894/0x894 [30484.520871] [] notify_change+0xa68/0xc5b [30484.520878] [] do_truncate+0x165/0x1e5 [30484.520884] [] ? do_truncate+0x165/0x1e5 [30484.520892] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [30484.520899] [] path_openat+0x222a/0x2525 [30484.520910] [] ? qlink_to_cache+0x22/0x87 [30484.520917] [] ? may_open+0x1c0/0x1c0 [30484.520923] [] ? deactivate_slab+0x53d/0x566 [30484.520929] [] ? getname_flags+0x4f/0x2e0 [30484.520936] [] ? init_object+0x1d6/0x1e2 [30484.520943] [] ? expand_files+0x68a/0x6d7 [30484.520952] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30484.520959] [] do_filp_open+0xe2/0x18c [30484.520965] [] ? path_openat+0x2525/0x2525 [30484.520972] [] ? _find_next_bit.part.0+0xd5/0xe3 [30484.520980] [] ? __alloc_fd+0x43d/0x47f [30484.520987] [] ? exit_files+0xaa/0xaa [30484.520994] [] do_sys_open+0xf5/0x342 [30484.521001] [] ? do_sys_open+0xf5/0x342 [30484.521008] [] ? filp_open+0x68/0x68 [30484.521015] [] SyS_open+0x32/0x39 [30484.521024] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30484.521027] ================================================================================ [30484.521029] ================================================================================ [30484.521033] UBSAN: Undefined behaviour in fs/ext4/inode.c:1598:10 [30484.521075] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [30484.521077] which requires 64 byte alignment [30484.521083] CPU: 3 PID: 1797 Comm: logrotate Tainted: G L 4.8.11 #1 [30484.521086] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30484.521096] 00000000ffffffff 000000005d7bdcd7 ffff88009fa5f4f0 ffffffffb26ec5cc [30484.521104] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30484.521111] ffff880000000010 ffff88009fa5f518 ffff88009fa5f4c8 ffffffffb363c3e0 [30484.521112] Call Trace: [30484.521123] [] dump_stack+0xd7/0x132 [30484.521131] [] ? arch_local_irq_restore+0x1b/0x1b [30484.521137] [] ubsan_epilogue+0x12/0x53 [30484.521145] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30484.521152] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30484.521163] [] ext4_da_invalidatepage+0x6ea/0xa81 [30484.521170] [] ? other_inode_match+0x641/0x641 [30484.521179] [] do_invalidatepage+0xb9/0xc7 [30484.521186] [] truncate_inode_page+0x11c/0x150 [30484.521195] [] truncate_inode_pages_range+0x39b/0x995 [30484.521203] [] ? generic_error_remove_page+0xa2/0xa2 [30484.521211] [] ? jbd2_free_handle+0x28/0x2b [30484.521220] [] ? up_write+0x8c/0xd9 [30484.521228] [] ? down_write_trylock+0x100/0x100 [30484.521236] [] ? unmap_mapping_range+0x136/0x2e9 [30484.521244] [] ? up_write+0x8c/0xd9 [30484.521331] [] truncate_inode_pages+0x2b/0x2d [30484.521340] [] truncate_pagecache+0x9d/0xb6 [30484.521348] [] ext4_setattr+0xda4/0x11bd [30484.521355] [] ? ext4_journalled_write_end+0x894/0x894 [30484.521362] [] notify_change+0xa68/0xc5b [30484.521370] [] do_truncate+0x165/0x1e5 [30484.521376] [] ? do_truncate+0x165/0x1e5 [30484.521383] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [30484.521390] [] path_openat+0x222a/0x2525 [30484.521400] [] ? qlink_to_cache+0x22/0x87 [30484.521406] [] ? may_open+0x1c0/0x1c0 [30484.521436] [] ? deactivate_slab+0x53d/0x566 [30484.521469] [] ? getname_flags+0x4f/0x2e0 [30484.521476] [] ? init_object+0x1d6/0x1e2 [30484.521502] [] ? expand_files+0x68a/0x6d7 [30484.521509] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30484.521516] [] do_filp_open+0xe2/0x18c [30484.521522] [] ? path_openat+0x2525/0x2525 [30484.521530] [] ? _find_next_bit.part.0+0xd5/0xe3 [30484.521537] [] ? __alloc_fd+0x43d/0x47f [30484.521543] [] ? exit_files+0xaa/0xaa [30484.521551] [] do_sys_open+0xf5/0x342 [30484.521557] [] ? do_sys_open+0xf5/0x342 [30484.521564] [] ? filp_open+0x68/0x68 [30484.521571] [] SyS_open+0x32/0x39 [30484.521579] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30484.521582] ================================================================================ [30484.521585] ================================================================================ [30484.521589] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [30484.521593] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [30484.521595] which requires 64 byte alignment [30484.521601] CPU: 3 PID: 1797 Comm: logrotate Tainted: G L 4.8.11 #1 [30484.521604] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30484.521613] 00000000ffffffff 000000005d7bdcd7 ffff88009fa5f4f0 ffffffffb26ec5cc [30484.521620] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30484.521627] ffff880000000010 ffff88009fa5f518 ffff88009fa5f4c8 ffffffffb363c3e0 [30484.521628] Call Trace: [30484.521635] [] dump_stack+0xd7/0x132 [30484.521642] [] ? arch_local_irq_restore+0x1b/0x1b [30484.521649] [] ubsan_epilogue+0x12/0x53 [30484.521656] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30484.521663] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30484.521671] [] ext4_da_invalidatepage+0x73f/0xa81 [30484.521677] [] ? other_inode_match+0x641/0x641 [30484.521685] [] do_invalidatepage+0xb9/0xc7 [30484.521693] [] truncate_inode_page+0x11c/0x150 [30484.521701] [] truncate_inode_pages_range+0x39b/0x995 [30484.521710] [] ? generic_error_remove_page+0xa2/0xa2 [30484.521717] [] ? jbd2_free_handle+0x28/0x2b [30484.521725] [] ? up_write+0x8c/0xd9 [30484.521733] [] ? down_write_trylock+0x100/0x100 [30484.521741] [] ? unmap_mapping_range+0x136/0x2e9 [30484.521748] [] ? up_write+0x8c/0xd9 [30484.521756] [] truncate_inode_pages+0x2b/0x2d [30484.521764] [] truncate_pagecache+0x9d/0xb6 [30484.521771] [] ext4_setattr+0xda4/0x11bd [30484.521779] [] ? ext4_journalled_write_end+0x894/0x894 [30484.521785] [] notify_change+0xa68/0xc5b [30484.534124] [] do_truncate+0x165/0x1e5 [30484.534137] [] ? do_truncate+0x165/0x1e5 [30484.534146] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [30484.534153] [] path_openat+0x222a/0x2525 [30484.534161] [] ? qlink_to_cache+0x22/0x87 [30484.534167] [] ? may_open+0x1c0/0x1c0 [30484.534174] [] ? deactivate_slab+0x53d/0x566 [30484.534180] [] ? getname_flags+0x4f/0x2e0 [30484.534239] [] ? init_object+0x1d6/0x1e2 [30484.534256] [] ? expand_files+0x68a/0x6d7 [30484.534268] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30484.534292] [] do_filp_open+0xe2/0x18c [30484.534301] [] ? path_openat+0x2525/0x2525 [30484.534311] [] ? _find_next_bit.part.0+0xd5/0xe3 [30484.534321] [] ? __alloc_fd+0x43d/0x47f [30484.534330] [] ? exit_files+0xaa/0xaa [30484.534340] [] do_sys_open+0xf5/0x342 [30484.534349] [] ? do_sys_open+0xf5/0x342 [30484.534358] [] ? filp_open+0x68/0x68 [30484.534368] [] SyS_open+0x32/0x39 [30484.534380] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30484.534385] ================================================================================ [30484.534506] ================================================================================ [30484.534513] UBSAN: Undefined behaviour in fs/ext4/inode.c:1545:41 [30484.534519] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [30484.534522] which requires 64 byte alignment [30484.534532] CPU: 3 PID: 1797 Comm: logrotate Tainted: G L 4.8.11 #1 [30484.534537] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30484.534552] 00000000ffffffff 000000005d7bdcd7 ffff88009fa5f4f0 ffffffffb26ec5cc [30484.534562] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30484.534571] ffff880000000010 ffff88009fa5f518 ffff88009fa5f4c8 ffffffffb363c3e0 [30484.534573] Call Trace: [30484.534585] [] dump_stack+0xd7/0x132 [30484.534611] [] ? arch_local_irq_restore+0x1b/0x1b [30484.534622] [] ubsan_epilogue+0x12/0x53 [30484.534632] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30484.534643] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30484.534653] [] ext4_da_invalidatepage+0x9aa/0xa81 [30484.534662] [] ? other_inode_match+0x641/0x641 [30484.534674] [] do_invalidatepage+0xb9/0xc7 [30484.534685] [] truncate_inode_page+0x11c/0x150 [30484.534696] [] truncate_inode_pages_range+0x39b/0x995 [30484.534708] [] ? generic_error_remove_page+0xa2/0xa2 [30484.534719] [] ? jbd2_free_handle+0x28/0x2b [30484.534730] [] ? up_write+0x8c/0xd9 [30484.534741] [] ? down_write_trylock+0x100/0x100 [30484.534754] [] ? unmap_mapping_range+0x136/0x2e9 [30484.534764] [] ? up_write+0x8c/0xd9 [30484.534775] [] truncate_inode_pages+0x2b/0x2d [30484.534786] [] truncate_pagecache+0x9d/0xb6 [30484.534796] [] ext4_setattr+0xda4/0x11bd [30484.534806] [] ? ext4_journalled_write_end+0x894/0x894 [30484.534816] [] notify_change+0xa68/0xc5b [30484.534826] [] do_truncate+0x165/0x1e5 [30484.534835] [] ? do_truncate+0x165/0x1e5 [30484.534845] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [30484.534855] [] path_openat+0x222a/0x2525 [30484.534866] [] ? qlink_to_cache+0x22/0x87 [30484.534905] [] ? may_open+0x1c0/0x1c0 [30484.534921] [] ? deactivate_slab+0x53d/0x566 [30484.534930] [] ? getname_flags+0x4f/0x2e0 [30484.534940] [] ? init_object+0x1d6/0x1e2 [30484.534953] [] ? expand_files+0x68a/0x6d7 [30484.534964] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30484.534973] [] do_filp_open+0xe2/0x18c [30484.534983] [] ? path_openat+0x2525/0x2525 [30484.534997] [] ? _find_next_bit.part.0+0xd5/0xe3 [30484.535010] [] ? __alloc_fd+0x43d/0x47f [30484.535023] [] ? exit_files+0xaa/0xaa [30484.535034] [] do_sys_open+0xf5/0x342 [30484.535043] [] ? do_sys_open+0xf5/0x342 [30484.535080] [] ? filp_open+0x68/0x68 [30484.535091] [] SyS_open+0x32/0x39 [30484.535103] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30484.535108] ================================================================================ [30484.535121] ================================================================================ [30484.535127] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [30484.535133] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [30484.535135] which requires 64 byte alignment [30484.535144] CPU: 3 PID: 1797 Comm: logrotate Tainted: G L 4.8.11 #1 [30484.535149] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30484.535163] 00000000ffffffff 000000005d7bdcd7 ffff88009fa5f3f0 ffffffffb26ec5cc [30484.535173] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30484.535183] 0000000000000010 ffff88009fa5f418 ffff88009fa5f3c8 ffffffffb363c3e0 [30484.535184] Call Trace: [30484.535194] [] dump_stack+0xd7/0x132 [30484.535204] [] ? arch_local_irq_restore+0x1b/0x1b [30484.535214] [] ubsan_epilogue+0x12/0x53 [30484.535223] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30484.535234] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30484.535245] [] ? queued_spin_unlock+0xe/0x1b [30484.535256] [] ? __wake_up_bit+0x96/0xe7 [30484.535264] [] ? ext4_end_io_dio+0x184/0x184 [30484.535273] [] ext4_releasepage+0xaa/0x24b [30484.535281] [] ? ext4_end_io_dio+0x184/0x184 [30484.535292] [] try_to_release_page+0x164/0x18a [30484.535301] [] ? __wake_up_bit+0x96/0xe7 [30484.535311] [] block_invalidatepage+0x26a/0x27c [30484.535320] [] ext4_invalidatepage+0x176/0x207 [30484.535330] [] ext4_da_invalidatepage+0xad/0xa81 [30484.535356] [] ? other_inode_match+0x641/0x641 [30484.535370] [] do_invalidatepage+0xb9/0xc7 [30484.535381] [] truncate_inode_page+0x11c/0x150 [30484.535393] [] truncate_inode_pages_range+0x39b/0x995 [30484.535405] [] ? generic_error_remove_page+0xa2/0xa2 [30484.535415] [] ? jbd2_free_handle+0x28/0x2b [30484.535426] [] ? up_write+0x8c/0xd9 [30484.535437] [] ? down_write_trylock+0x100/0x100 [30484.535450] [] ? unmap_mapping_range+0x136/0x2e9 [30484.535461] [] ? up_write+0x8c/0xd9 [30484.535473] [] truncate_inode_pages+0x2b/0x2d [30484.535485] [] truncate_pagecache+0x9d/0xb6 [30484.535495] [] ext4_setattr+0xda4/0x11bd [30484.535505] [] ? ext4_journalled_write_end+0x894/0x894 [30484.535514] [] notify_change+0xa68/0xc5b [30484.535526] [] do_truncate+0x165/0x1e5 [30484.535534] [] ? do_truncate+0x165/0x1e5 [30484.535544] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [30484.535556] [] path_openat+0x222a/0x2525 [30484.535588] [] ? qlink_to_cache+0x22/0x87 [30484.535614] [] ? may_open+0x1c0/0x1c0 [30484.535628] [] ? deactivate_slab+0x53d/0x566 [30484.535638] [] ? getname_flags+0x4f/0x2e0 [30484.535648] [] ? init_object+0x1d6/0x1e2 [30484.535661] [] ? expand_files+0x68a/0x6d7 [30484.535674] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30484.535686] [] do_filp_open+0xe2/0x18c [30484.535697] [] ? path_openat+0x2525/0x2525 [30484.535712] [] ? _find_next_bit.part.0+0xd5/0xe3 [30484.535724] [] ? __alloc_fd+0x43d/0x47f [30484.535737] [] ? exit_files+0xaa/0xaa [30484.535750] [] do_sys_open+0xf5/0x342 [30484.535761] [] ? do_sys_open+0xf5/0x342 [30484.535772] [] ? filp_open+0x68/0x68 [30484.535784] [] SyS_open+0x32/0x39 [30484.535800] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30484.535807] ================================================================================ [30484.535813] ================================================================================ [30484.535820] UBSAN: Undefined behaviour in fs/ext4/inode.c:3257:13 [30484.535828] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [30484.535830] which requires 64 byte alignment [30484.535841] CPU: 3 PID: 1797 Comm: logrotate Tainted: G L 4.8.11 #1 [30484.535846] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30484.535865] 00000000ffffffff 000000005d7bdcd7 ffff88009fa5f3f0 ffffffffb26ec5cc [30484.535878] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30484.535913] 0000000000000010 ffff88009fa5f418 ffff88009fa5f3c8 ffffffffb363c3e0 [30484.535915] Call Trace: [30484.535929] [] dump_stack+0xd7/0x132 [30484.535942] [] ? arch_local_irq_restore+0x1b/0x1b [30484.535954] [] ubsan_epilogue+0x12/0x53 [30484.535967] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30484.535980] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30484.535995] [] ? queued_spin_unlock+0xe/0x1b [30484.536007] [] ? __wake_up_bit+0x96/0xe7 [30484.536018] [] ? ext4_end_io_dio+0x184/0x184 [30484.536029] [] ext4_releasepage+0xd6/0x24b [30484.536040] [] ? ext4_end_io_dio+0x184/0x184 [30484.536054] [] try_to_release_page+0x164/0x18a [30484.536065] [] ? __wake_up_bit+0x96/0xe7 [30484.536076] [] block_invalidatepage+0x26a/0x27c [30484.536089] [] ext4_invalidatepage+0x176/0x207 [30484.536102] [] ext4_da_invalidatepage+0xad/0xa81 [30484.536115] [] ? other_inode_match+0x641/0x641 [30484.536150] [] do_invalidatepage+0xb9/0xc7 [30484.536168] [] truncate_inode_page+0x11c/0x150 [30484.536185] [] truncate_inode_pages_range+0x39b/0x995 [30484.536202] [] ? generic_error_remove_page+0xa2/0xa2 [30484.536218] [] ? jbd2_free_handle+0x28/0x2b [30484.536247] [] ? up_write+0x8c/0xd9 [30484.536277] [] ? down_write_trylock+0x100/0x100 [30484.536292] [] ? unmap_mapping_range+0x136/0x2e9 [30484.536304] [] ? up_write+0x8c/0xd9 [30484.536316] [] truncate_inode_pages+0x2b/0x2d [30484.536327] [] truncate_pagecache+0x9d/0xb6 [30484.536369] [] ext4_setattr+0xda4/0x11bd [30484.536384] [] ? ext4_journalled_write_end+0x894/0x894 [30484.536397] [] notify_change+0xa68/0xc5b [30484.536411] [] do_truncate+0x165/0x1e5 [30484.536423] [] ? do_truncate+0x165/0x1e5 [30484.536439] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [30484.536450] [] path_openat+0x222a/0x2525 [30484.536464] [] ? qlink_to_cache+0x22/0x87 [30484.536475] [] ? may_open+0x1c0/0x1c0 [30484.536519] [] ? deactivate_slab+0x53d/0x566 [30484.536533] [] ? getname_flags+0x4f/0x2e0 [30484.536547] [] ? init_object+0x1d6/0x1e2 [30484.536562] [] ? expand_files+0x68a/0x6d7 [30484.536577] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30484.536589] [] do_filp_open+0xe2/0x18c [30484.536597] [] ? path_openat+0x2525/0x2525 [30484.536611] [] ? _find_next_bit.part.0+0xd5/0xe3 [30484.536622] [] ? __alloc_fd+0x43d/0x47f [30484.536634] [] ? exit_files+0xaa/0xaa [30484.536654] [] do_sys_open+0xf5/0x342 [30484.536664] [] ? do_sys_open+0xf5/0x342 [30484.536676] [] ? filp_open+0x68/0x68 [30484.536686] [] SyS_open+0x32/0x39 [30484.536730] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30484.536742] ================================================================================ [30484.564726] ================================================================================ [30484.564734] UBSAN: Undefined behaviour in fs/ext4/ext4.h:1520:11 [30484.564740] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [30484.564742] which requires 64 byte alignment [30484.564752] CPU: 3 PID: 1797 Comm: logrotate Tainted: G L 4.8.11 #1 [30484.564757] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30484.564772] 00000000ffffffff 000000005d7bdcd7 ffff88009fa5f468 ffffffffb26ec5cc [30484.564782] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30484.564792] ffff880000000010 ffff88009fa5f490 ffff88009fa5f440 ffffffffb363c3e0 [30484.564793] Call Trace: [30484.564808] [] dump_stack+0xd7/0x132 [30484.564819] [] ? arch_local_irq_restore+0x1b/0x1b [30484.564829] [] ubsan_epilogue+0x12/0x53 [30484.564839] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30484.564849] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30484.564859] [] ext4_es_free_extent+0x25a/0x4d0 [30484.564869] [] ? ext4_test_inode_state.constprop.3+0x48/0x48 [30484.564878] [] __es_remove_extent+0x5b8/0x808 [30484.564887] [] ? __es_insert_extent+0xb3d/0xb3d [30484.564898] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [30484.564909] [] ? __ext4_journal_get_write_access+0x6b/0x78 [30484.564919] [] ? ext4_mark_inode_dirty+0x261/0x7a3 [30484.564929] [] ext4_es_remove_extent+0x126/0x238 [30484.564938] [] ? ext4_es_lookup_extent+0x73e/0x73e [30484.564985] [] ? ext4_empty_dir+0x733/0x733 [30484.564996] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30484.565006] [] ? down_write+0xb3/0xea [30484.565016] [] ext4_ext_truncate+0x17a/0x244 [30484.565025] [] ext4_truncate+0x5ba/0x8ce [30484.565034] [] ? ext4_punch_hole+0x83e/0x83e [30484.565044] [] ext4_setattr+0xdbb/0x11bd [30484.565054] [] ? ext4_journalled_write_end+0x894/0x894 [30484.565064] [] notify_change+0xa68/0xc5b [30484.565073] [] do_truncate+0x165/0x1e5 [30484.565081] [] ? do_truncate+0x165/0x1e5 [30484.565091] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [30484.565101] [] path_openat+0x222a/0x2525 [30484.565111] [] ? qlink_to_cache+0x22/0x87 [30484.565120] [] ? may_open+0x1c0/0x1c0 [30484.565128] [] ? deactivate_slab+0x53d/0x566 [30484.565137] [] ? getname_flags+0x4f/0x2e0 [30484.565145] [] ? init_object+0x1d6/0x1e2 [30484.565154] [] ? expand_files+0x68a/0x6d7 [30484.565164] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30484.565173] [] do_filp_open+0xe2/0x18c [30484.565182] [] ? path_openat+0x2525/0x2525 [30484.565191] [] ? _find_next_bit.part.0+0xd5/0xe3 [30484.565201] [] ? __alloc_fd+0x43d/0x47f [30484.565211] [] ? exit_files+0xaa/0xaa [30484.565233] [] do_sys_open+0xf5/0x342 [30484.565244] [] ? do_sys_open+0xf5/0x342 [30484.565253] [] ? filp_open+0x68/0x68 [30484.565262] [] SyS_open+0x32/0x39 [30484.565274] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30484.565279] ================================================================================ [30484.565283] ================================================================================ [30484.565289] UBSAN: Undefined behaviour in fs/ext4/extents_status.c:322:6 [30484.565376] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [30484.565382] which requires 64 byte alignment [30484.565395] CPU: 3 PID: 1797 Comm: logrotate Tainted: G L 4.8.11 #1 [30484.565401] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30484.565420] 00000000ffffffff 000000005d7bdcd7 ffff88009fa5f468 ffffffffb26ec5cc [30484.565434] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30484.565447] ffff880000000010 ffff88009fa5f490 ffff88009fa5f440 ffffffffb363c3e0 [30484.565450] Call Trace: [30484.565465] [] dump_stack+0xd7/0x132 [30484.565480] [] ? arch_local_irq_restore+0x1b/0x1b [30484.565493] [] ubsan_epilogue+0x12/0x53 [30484.565508] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30484.565522] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30484.565533] [] ? __list_add+0x249/0x249 [30484.565547] [] ext4_es_free_extent+0x338/0x4d0 [30484.565560] [] ? ext4_test_inode_state.constprop.3+0x48/0x48 [30484.565574] [] __es_remove_extent+0x5b8/0x808 [30484.565586] [] ? __es_insert_extent+0xb3d/0xb3d [30484.565601] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [30484.565617] [] ? __ext4_journal_get_write_access+0x6b/0x78 [30484.565656] [] ? ext4_mark_inode_dirty+0x261/0x7a3 [30484.565670] [] ext4_es_remove_extent+0x126/0x238 [30484.565683] [] ? ext4_es_lookup_extent+0x73e/0x73e [30484.565697] [] ? ext4_empty_dir+0x733/0x733 [30484.565711] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30484.565721] [] ? down_write+0xb3/0xea [30484.565728] [] ext4_ext_truncate+0x17a/0x244 [30484.565735] [] ext4_truncate+0x5ba/0x8ce [30484.565742] [] ? ext4_punch_hole+0x83e/0x83e [30484.565749] [] ext4_setattr+0xdbb/0x11bd [30484.565757] [] ? ext4_journalled_write_end+0x894/0x894 [30484.565763] [] notify_change+0xa68/0xc5b [30484.565770] [] do_truncate+0x165/0x1e5 [30484.565776] [] ? do_truncate+0x165/0x1e5 [30484.565783] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [30484.565790] [] path_openat+0x222a/0x2525 [30484.570195] [] ? qlink_to_cache+0x22/0x87 [30484.570207] [] ? may_open+0x1c0/0x1c0 [30484.570213] [] ? deactivate_slab+0x53d/0x566 [30484.570219] [] ? getname_flags+0x4f/0x2e0 [30484.570226] [] ? init_object+0x1d6/0x1e2 [30484.570233] [] ? expand_files+0x68a/0x6d7 [30484.570241] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30484.570248] [] do_filp_open+0xe2/0x18c [30484.570254] [] ? path_openat+0x2525/0x2525 [30484.570261] [] ? _find_next_bit.part.0+0xd5/0xe3 [30484.570268] [] ? __alloc_fd+0x43d/0x47f [30484.570275] [] ? exit_files+0xaa/0xaa [30484.570282] [] do_sys_open+0xf5/0x342 [30484.570289] [] ? do_sys_open+0xf5/0x342 [30484.570296] [] ? filp_open+0x68/0x68 [30484.570303] [] SyS_open+0x32/0x39 [30484.570312] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30484.570316] ================================================================================ [30484.570443] ================================================================================ [30484.570452] UBSAN: Undefined behaviour in fs/ext4/extents_status.c:322:21 [30484.570461] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [30484.570464] which requires 64 byte alignment [30484.570473] CPU: 3 PID: 1797 Comm: logrotate Tainted: G L 4.8.11 #1 [30484.570477] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30484.570500] 00000000ffffffff 000000005d7bdcd7 ffff88009fa5f468 ffffffffb26ec5cc [30484.570517] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30484.570524] ffffffff00000010 ffff88009fa5f490 ffff88009fa5f440 ffffffffb363c3e0 [30484.570525] Call Trace: [30484.570536] [] dump_stack+0xd7/0x132 [30484.570543] [] ? arch_local_irq_restore+0x1b/0x1b [30484.570550] [] ubsan_epilogue+0x12/0x53 [30484.570557] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30484.570564] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30484.570570] [] ? __list_add+0x249/0x249 [30484.570578] [] ext4_es_free_extent+0x37f/0x4d0 [30484.570585] [] ? ext4_test_inode_state.constprop.3+0x48/0x48 [30484.570592] [] __es_remove_extent+0x5b8/0x808 [30484.570598] [] ? __es_insert_extent+0xb3d/0xb3d [30484.570606] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [30484.570614] [] ? __ext4_journal_get_write_access+0x6b/0x78 [30484.570622] [] ? ext4_mark_inode_dirty+0x261/0x7a3 [30484.570628] [] ext4_es_remove_extent+0x126/0x238 [30484.570635] [] ? ext4_es_lookup_extent+0x73e/0x73e [30484.570643] [] ? ext4_empty_dir+0x733/0x733 [30484.570650] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30484.570657] [] ? down_write+0xb3/0xea [30484.570664] [] ext4_ext_truncate+0x17a/0x244 [30484.570671] [] ext4_truncate+0x5ba/0x8ce [30484.570678] [] ? ext4_punch_hole+0x83e/0x83e [30484.570685] [] ext4_setattr+0xdbb/0x11bd [30484.570692] [] ? ext4_journalled_write_end+0x894/0x894 [30484.570699] [] notify_change+0xa68/0xc5b [30484.570706] [] do_truncate+0x165/0x1e5 [30484.570712] [] ? do_truncate+0x165/0x1e5 [30484.570719] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [30484.570726] [] path_openat+0x222a/0x2525 [30484.570734] [] ? qlink_to_cache+0x22/0x87 [30484.570740] [] ? may_open+0x1c0/0x1c0 [30484.570746] [] ? deactivate_slab+0x53d/0x566 [30484.570752] [] ? getname_flags+0x4f/0x2e0 [30484.570758] [] ? init_object+0x1d6/0x1e2 [30484.570765] [] ? expand_files+0x68a/0x6d7 [30484.570773] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30484.570779] [] do_filp_open+0xe2/0x18c [30484.570786] [] ? path_openat+0x2525/0x2525 [30484.570793] [] ? _find_next_bit.part.0+0xd5/0xe3 [30484.570800] [] ? __alloc_fd+0x43d/0x47f [30484.570807] [] ? exit_files+0xaa/0xaa [30484.570814] [] do_sys_open+0xf5/0x342 [30484.570820] [] ? do_sys_open+0xf5/0x342 [30484.570827] [] ? filp_open+0x68/0x68 [30484.570834] [] SyS_open+0x32/0x39 [30484.570842] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30484.570845] ================================================================================ [30484.570848] ================================================================================ [30484.570852] UBSAN: Undefined behaviour in fs/ext4/extents_status.c:323:3 [30484.570856] member access within misaligned address ffff8800a2fa0960 for type 'struct ext4_sb_info' [30484.570858] which requires 64 byte alignment [30484.570863] CPU: 3 PID: 1797 Comm: logrotate Tainted: G L 4.8.11 #1 [30484.570867] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30484.570875] 00000000ffffffff 000000005d7bdcd7 ffff88009fa5f468 ffffffffb26ec5cc [30484.570882] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30484.570889] ffffffff00000010 ffff88009fa5f490 ffff88009fa5f440 ffffffffb363c3e0 [30484.570890] Call Trace: [30484.570897] [] dump_stack+0xd7/0x132 [30484.570905] [] ? arch_local_irq_restore+0x1b/0x1b [30484.570922] [] ubsan_epilogue+0x12/0x53 [30484.570930] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30484.570937] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30484.570943] [] ? __list_add+0x249/0x249 [30484.570950] [] ext4_es_free_extent+0x3a0/0x4d0 [30484.570957] [] ? ext4_test_inode_state.constprop.3+0x48/0x48 [30484.570964] [] __es_remove_extent+0x5b8/0x808 [30484.570970] [] ? __es_insert_extent+0xb3d/0xb3d [30484.570978] [] ? ext4_dio_get_block_unwritten_sync+0x119/0x119 [30484.570986] [] ? __ext4_journal_get_write_access+0x6b/0x78 [30484.570994] [] ? ext4_mark_inode_dirty+0x261/0x7a3 [30484.571000] [] ext4_es_remove_extent+0x126/0x238 [30484.571007] [] ? ext4_es_lookup_extent+0x73e/0x73e [30484.571014] [] ? ext4_empty_dir+0x733/0x733 [30484.571022] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30484.571029] [] ? down_write+0xb3/0xea [30484.571036] [] ext4_ext_truncate+0x17a/0x244 [30484.571043] [] ext4_truncate+0x5ba/0x8ce [30484.571049] [] ? ext4_punch_hole+0x83e/0x83e [30484.571056] [] ext4_setattr+0xdbb/0x11bd [30484.571064] [] ? ext4_journalled_write_end+0x894/0x894 [30484.571071] [] notify_change+0xa68/0xc5b [30484.571077] [] do_truncate+0x165/0x1e5 [30484.571083] [] ? do_truncate+0x165/0x1e5 [30484.571090] [] ? trace_raw_output_do_sys_open+0x1a8/0x1a8 [30484.571097] [] path_openat+0x222a/0x2525 [30484.571105] [] ? qlink_to_cache+0x22/0x87 [30484.571111] [] ? may_open+0x1c0/0x1c0 [30484.571117] [] ? deactivate_slab+0x53d/0x566 [30484.571123] [] ? getname_flags+0x4f/0x2e0 [30484.571130] [] ? init_object+0x1d6/0x1e2 [30484.571137] [] ? expand_files+0x68a/0x6d7 [30484.571144] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30484.571151] [] do_filp_open+0xe2/0x18c [30484.571157] [] ? path_openat+0x2525/0x2525 [30484.571164] [] ? _find_next_bit.part.0+0xd5/0xe3 [30484.571171] [] ? __alloc_fd+0x43d/0x47f [30484.571178] [] ? exit_files+0xaa/0xaa [30484.571185] [] do_sys_open+0xf5/0x342 [30484.571192] [] ? do_sys_open+0xf5/0x342 [30484.571198] [] ? filp_open+0x68/0x68 [30484.571205] [] SyS_open+0x32/0x39 [30484.571214] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30484.571217] ================================================================================ [30487.090980] ================================================================================ [30487.090987] UBSAN: Undefined behaviour in fs/namei.c:298:7 [30487.090992] member access within misaligned address ffff8800a2fa4170 for type 'struct super_block' [30487.090994] which requires 64 byte alignment [30487.091001] CPU: 2 PID: 1804 Comm: find Tainted: G L 4.8.11 #1 [30487.091005] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30487.091016] 00000000ffffffff 0000000005d96c04 ffff8800a291f920 ffffffffb26ec5cc [30487.091023] ffffffff41b58ab3 0000000041b58ab3 ffffffffb3a29adf ffffffffb26ec4f5 [30487.091057] ffff880000000010 ffff8800a291f948 ffff8800a291f8f8 ffffffffb363c3e0 [30487.091059] Call Trace: [30487.091070] [] dump_stack+0xd7/0x132 [30487.091078] [] ? arch_local_irq_restore+0x1b/0x1b [30487.091085] [] ubsan_epilogue+0x12/0x53 [30487.091092] [] __ubsan_handle_type_mismatch+0x1a4/0x25e [30487.091100] [] ? __ubsan_handle_divrem_overflow+0x1b4/0x1b4 [30487.091108] [] ? lockref_get_not_dead+0x1c8/0x201 [30487.091118] [] generic_permission+0xee/0x30c [30487.091124] [] __inode_permission+0x1c1/0x270 [30487.091130] [] ? may_open+0x9d/0x1c0 [30487.091135] [] inode_permission+0xd8/0xed [30487.091141] [] ? may_open+0x9d/0x1c0 [30487.091147] [] may_open+0x124/0x1c0 [30487.091153] [] path_openat+0x1f1f/0x2525 [30487.091161] [] ? kasan_slab_alloc+0x12/0x14 [30487.091168] [] ? do_sys_open+0xb2/0x342 [30487.091175] [] ? SyS_open+0x32/0x39 [30487.091181] [] ? may_open+0x1c0/0x1c0 [30487.091187] [] ? deactivate_slab+0x53d/0x566 [30487.091193] [] ? getname_flags+0x4f/0x2e0 [30487.091199] [] ? init_object+0x1d6/0x1e2 [30487.091206] [] ? expand_files+0x68a/0x6d7 [30487.091214] [] ? __ubsan_handle_type_mismatch+0x229/0x25e [30487.091220] [] do_filp_open+0xe2/0x18c [30487.091227] [] ? path_openat+0x2525/0x2525 [30487.091234] [] ? _find_next_bit.part.0+0xd5/0xe3 [30487.091241] [] ? __alloc_fd+0x43d/0x47f [30487.091248] [] ? exit_files+0xaa/0xaa [30487.091255] [] do_sys_open+0xf5/0x342 [30487.091262] [] ? do_sys_open+0xf5/0x342 [30487.091269] [] ? set_fs_root+0x1ea/0x1ea [30487.091275] [] ? filp_open+0x68/0x68 [30487.091282] [] SyS_open+0x32/0x39 [30487.091292] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [30487.091295] ================================================================================ [30498.713676] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [init:1] [30498.713681] Modules linked in: [30498.713691] CPU: 0 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [30498.713696] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30498.713702] task: ffff8800a348e780 task.stack: ffff88005c9d8000 [30498.738038] RIP: 0010:[] [] smp_call_function_single+0x259/0x2ab [30498.738067] RSP: 0018:ffff88005c9df988 EFLAGS: 00000246 [30498.738075] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffffffffb1f39e11 [30498.738081] RDX: 00000000b1a89c60 RSI: ffff8800a348f128 RDI: ffff88005c9df9e0 [30498.738086] RBP: ffff88005c9dfa50 R08: 1ffff1000b93bf3c R09: 0000000000000001 [30498.738091] R10: ffff88005c9dfddf R11: ffffed000b93bfbb R12: ffff88005c9df9e0 [30498.738097] R13: ffff88005c9df9c8 R14: 0000000000000000 R15: 0000000000000100 [30498.738104] FS: 00007fd0dcc4b7a0(0000) GS:ffff88005d400000(0000) knlGS:0000000000000000 [30498.738110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [30498.738115] CR2: 00000000006197e0 CR3: 000000005d194000 CR4: 00000000000006f0 [30498.738174] Stack: [30498.738187] ffff88005c9dfb08 ffffffffb1dd24bd 0000000100000100 1ffff1000b93bf35 [30498.738195] 0000000041b58ab3 ffffffffb3a4e9ca ffffffffb1f39bc7 ffffffffb272b720 [30498.738201] 0000000000000000 ffffffffb1dd24bd ffff88005c9dfb08 0000000000000003 [30498.738202] Call Trace: [30498.738216] [] ? do_flush_tlb_all+0x3a/0x3a [30498.738224] [] ? generic_exec_single+0x30b/0x30b [30498.738232] [] ? _find_next_bit.part.0+0xd5/0xe3 [30498.738312] [] ? do_flush_tlb_all+0x3a/0x3a [30498.738323] [] smp_call_function_many+0x1b2/0x607 [30498.738332] [] ? do_flush_tlb_all+0x3a/0x3a [30498.738340] [] native_flush_tlb_others+0xab/0xda [30498.738348] [] ? switch_mm+0x2d/0x2d [30498.738355] [] ? cpumask_any_but+0x75/0x83 [30498.738363] [] flush_tlb_others+0x9/0xd [30498.738371] [] flush_tlb_mm_range+0x141/0x14c [30498.738377] [] change_protection+0x494/0xf93 [30498.738384] [] ? mm_pkey_free+0xf5/0xf5 [30498.738391] [] change_prot_numa+0x3e/0x61 [30498.738399] [] task_numa_work+0x834/0xb16 [30498.738406] [] ? switched_from_fair+0x13/0x13 [30498.738413] [] ? SYSC_newstat+0xb1/0xf4 [30498.738421] [] task_work_run+0x11e/0x140 [30498.848247] [] prepare_exit_to_usermode+0x177/0x1d9 [30498.848272] [] syscall_return_slowpath+0x1b4/0x247 [30498.848289] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [30498.848411] Code: 4d 85 f6 74 0f 4c 89 e6 48 c7 c7 00 38 4e b4 e8 b0 d6 84 00 4c 89 e7 e8 09 ca 26 00 41 8b 45 18 a8 01 74 09 e8 89 53 06 00 f3 90 c9 e8 80 53 06 00 e8 7b 53 06 00 48 b8 00 00 00 00 00 fc ff [30526.706308] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [init:1] [30526.706312] Modules linked in: [30526.706322] CPU: 0 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [30526.706328] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30526.706334] task: ffff8800a348e780 task.stack: ffff88005c9d8000 [30526.706357] RIP: 0010:[] [] arch_local_irq_restore+0x6/0xd [30526.706363] RSP: 0018:ffff88005d407b98 EFLAGS: 00000246 [30526.706369] RAX: ffffed000b5fb859 RBX: 0000000000000246 RCX: ffffffffb2bb6cc5 [30526.706377] RDX: 00000000b1a89c60 RSI: 0000000000000246 RDI: 0000000000000246 [30526.706383] RBP: ffff88005d407b98 R08: ffff88005d421ee0 R09: 0000000000000000 [30526.706389] R10: ffff8800be7d6003 R11: ffffed0017cfac00 R12: ffff88005afdc2c8 [30526.706395] R13: ffff88009f389240 R14: ffff88005afdbd58 R15: 0000000000000246 [30526.706404] FS: 00007fd0dcc4b7a0(0000) GS:ffff88005d400000(0000) knlGS:0000000000000000 [30526.706410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [30526.706415] CR2: 00000000006197e0 CR3: 000000005d194000 CR4: 00000000000006f0 [30526.706492] Stack: [30526.706510] ffff88005d407bb0 ffffffffb32af712 ffff88005a566828 ffff88005d407bf8 [30526.706523] ffffffffb2bb6cd4 ffff88005a569da0 00000000b1f16248 ffff88009f389240 [30526.706534] ffff88005a566828 ffff88005a566880 ffffffffb2bdaaef 0000000000000000 [30526.706536] Call Trace: [30526.706558] [30526.706559] [] _raw_spin_unlock_irqrestore+0x1a/0x1d [30527.050291] [] scsi_end_request+0x480/0x4bc [30527.050381] [] ? sd_pr_preempt+0x8e/0x8e [30527.050394] [] scsi_io_completion+0x762/0x1170 [30527.050404] [] ? scsi_unblock_requests+0x49/0x49 [30527.050414] [] ? sd_pr_preempt+0x8e/0x8e [30527.050423] [] scsi_finish_command+0x542/0x57e [30527.050431] [] ? scsi_log_completion+0x1fb/0x1fb [30527.050469] [] ? scsi_handle_queue_ramp_up+0xa6/0x397 [30527.050488] [] scsi_softirq_done+0x31c/0x357 [30527.050537] [] ? scsi_queue_insert+0x2c/0x2c [30527.050548] [] ? __list_add+0x249/0x249 [30527.050561] [] ? __run_timers+0x727/0x76b [30527.050688] [] blk_done_softirq+0x252/0x29b [30527.050699] [] ? arch_local_irq_enable+0x12/0x12 [30527.050710] [] ? paravirt_write_msr+0xf/0x13 [30527.050720] [] ? native_apic_msr_write+0x29/0x2b [30527.050730] [] ? apic_write+0x53/0x5a [30527.050739] [] __do_softirq+0x211/0x59e [30527.050777] [] irq_exit+0x65/0xd6 [30527.050793] [] smp_apic_timer_interrupt+0x33/0x3e [30527.050805] [] apic_timer_interrupt+0x82/0x90 [30527.050857] [30527.050858] [] ? smp_call_function_single+0x24a/0x2ab [30527.050871] [] ? smp_call_function_single+0x259/0x2ab [30527.050883] [] ? smp_call_function_single+0x257/0x2ab [30527.050924] [] ? do_flush_tlb_all+0x3a/0x3a [30527.050936] [] ? generic_exec_single+0x30b/0x30b [30527.050945] [] ? _find_next_bit.part.0+0xd5/0xe3 [30527.050955] [] ? do_flush_tlb_all+0x3a/0x3a [30527.050997] [] smp_call_function_many+0x1b2/0x607 [30527.051008] [] ? do_flush_tlb_all+0x3a/0x3a [30527.051019] [] native_flush_tlb_others+0xab/0xda [30527.051028] [] ? switch_mm+0x2d/0x2d [30527.051037] [] ? cpumask_any_but+0x75/0x83 [30527.051047] [] flush_tlb_others+0x9/0xd [30527.051057] [] flush_tlb_mm_range+0x141/0x14c [30527.051190] [] change_protection+0x494/0xf93 [30527.051206] [] ? mm_pkey_free+0xf5/0xf5 [30527.051219] [] change_prot_numa+0x3e/0x61 [30527.051247] [] task_numa_work+0x834/0xb16 [30527.051261] [] ? switched_from_fair+0x13/0x13 [30527.051273] [] ? SYSC_newstat+0xb1/0xf4 [30527.051287] [] task_work_run+0x11e/0x140 [30527.051596] [] prepare_exit_to_usermode+0x177/0x1d9 [30527.051610] [] syscall_return_slowpath+0x1b4/0x247 [30527.051622] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [30527.051716] Code: c0 78 0e f0 ff 43 70 e8 5f f8 ff ff ba 01 00 00 00 5b 89 d0 41 5c 5d c3 55 48 89 e5 9c 58 0f 1f 44 00 00 5d c3 55 48 89 e5 57 9d <0f> 1f 44 00 00 5d c3 55 48 89 e5 fa 66 0f 1f 44 00 00 5d c3 55 [30536.966196] INFO: rcu_sched self-detected stall on CPU [30536.966208] 0-...: (5775 ticks this GP) idle=7a3/140000000000001/0 softirq=22155/22155 fqs=2801 [30536.966215] (t=15001 jiffies g=2344 c=2343 q=2032) [30536.966218] Task dump for CPU 0: [30536.966500] init R running task 0 1 0 0x0000000a [30536.966521] 0000000000000000 00000000b1a89c60 ffff88005d407bc8 ffffffffb1e6d847 [30536.966528] 0000000041b58ab3 ffffffffb3a291c0 ffffffffb1e6d5aa ffff88005d407b88 [30536.966534] ffffffffb77d0b60 ffff88005d407ba0 ffffffffb272b720 00000000b1a89c60 [30536.966535] Call Trace: [30536.966550] [] sched_show_task+0x29d/0x2d3 [30536.966559] [] ? SyS_sched_rr_get_interval+0x23a/0x23a [30536.966566] [] ? _find_next_bit.part.0+0xd5/0xe3 [30536.966572] [] dump_cpu_task+0xb5/0xba [30536.966578] [] rcu_dump_cpu_stacks+0x215/0x23b [30536.966586] [] check_cpu_stall+0x5e9/0x7a4 [30536.966593] [] ? rcu_process_callbacks+0x12b0/0x12b0 [30536.966600] [] ? div_u64_rem+0x82/0x93 [30536.966607] [] rcu_check_callbacks+0x20f/0x7b8 [30536.966614] [] ? rcu_cpu_stall_reset+0x153/0x153 [30536.966621] [] update_process_times+0x35/0x64 [30536.966627] [] tick_sched_handle+0x114/0x125 [30536.966632] [] tick_sched_timer+0x43/0xab [30536.966639] [] __hrtimer_run_queues+0x433/0x7b1 [30536.966644] [] ? tick_sched_do_timer+0x5f/0x5f [30536.966651] [] ? hrtimer_cancel+0x37/0x37 [30536.966657] [] ? ktime_get_update_offsets_now+0x1a7/0x1ba [30536.966664] [] hrtimer_interrupt+0x179/0x41c [30536.966673] [] local_apic_timer_interrupt+0xe4/0xeb [30536.966680] [] smp_apic_timer_interrupt+0x2e/0x3e [30536.966686] [] apic_timer_interrupt+0x82/0x90 [30536.966695] [] ? smp_call_function_single+0x24a/0x2ab [30536.966702] [] ? __asan_load4+0x2f/0x6d [30536.966708] [] smp_call_function_single+0x24a/0x2ab [30536.966716] [] ? do_flush_tlb_all+0x3a/0x3a [30536.966722] [] ? generic_exec_single+0x30b/0x30b [30536.966728] [] ? _find_next_bit.part.0+0xd5/0xe3 [30536.966735] [] ? do_flush_tlb_all+0x3a/0x3a [30536.966743] [] smp_call_function_many+0x1b2/0x607 [30536.966750] [] ? do_flush_tlb_all+0x3a/0x3a [30536.966758] [] native_flush_tlb_others+0xab/0xda [30536.966765] [] ? switch_mm+0x2d/0x2d [30536.966771] [] ? cpumask_any_but+0x75/0x83 [30536.966778] [] flush_tlb_others+0x9/0xd [30536.966786] [] flush_tlb_mm_range+0x141/0x14c [30536.966792] [] change_protection+0x494/0xf93 [30536.966798] [] ? mm_pkey_free+0xf5/0xf5 [30536.966805] [] change_prot_numa+0x3e/0x61 [30536.966812] [] task_numa_work+0x834/0xb16 [30536.966819] [] ? switched_from_fair+0x13/0x13 [30536.966825] [] ? SYSC_newstat+0xb1/0xf4 [30536.966833] [] task_work_run+0x11e/0x140 [30536.966841] [] prepare_exit_to_usermode+0x177/0x1d9 [30536.966848] [] syscall_return_slowpath+0x1b4/0x247 [30536.966855] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [30536.966859] Task dump for CPU 1: [30536.966866] migration/1 R running task 0 16 2 0x00000008 [30536.966874] 0000000000000000 0000000000000000 ffff88005d51b7d0 1ffff1000b95cf96 [30536.966880] 00000000488303e8 ffff88005d5222c0 0000000045395a0c 0000000045395a0c [30536.966887] 0000000045395a0c ffff88005d51b7c0 ffff88005d51b7d0 0000000000000000 [30536.966888] Call Trace: [30536.966895] [] ? task_weight+0xcd/0xcd [30536.994035] [] ? multi_cpu_stop+0x34d/0x34d [30536.994056] [] ? cpu_stopper_thread+0x288/0x399 [30536.994072] [] ? multi_cpu_stop+0x34d/0x34d [30536.994087] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [30536.994101] [] ? multi_cpu_stop+0x34d/0x34d [30536.994117] [] ? smpboot_thread_fn+0x6fa/0x711 [30536.994130] [] ? sort_range+0x35/0x35 [30536.994141] [] ? kthread+0x1f7/0x20b [30536.994154] [] ? sort_range+0x35/0x35 [30536.994164] [] ? init_completion+0x48/0x48 [30536.994179] [] ? ret_from_fork+0x1f/0x40 [30536.994190] [] ? init_completion+0x48/0x48 [30562.706321] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [init:1] [30562.706326] Modules linked in: [30562.706338] CPU: 0 PID: 1 Comm: init Tainted: G L 4.8.11 #1 [30562.706343] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu2 04/01/2014 [30562.706350] task: ffff8800a348e780 task.stack: ffff88005c9d8000 [30562.706371] RIP: 0010:[] [] smp_call_function_single+0x259/0x2ab [30562.706376] RSP: 0018:ffff88005c9df988 EFLAGS: 00000246 [30562.706382] RAX: ffff88005c9df9e0 RBX: 0000000000000000 RCX: ffffffffb1f39e11 [30562.706388] RDX: 00000000b1a89c60 RSI: ffff8800a348f128 RDI: ffff88005c9df9e0 [30562.706393] RBP: ffff88005c9dfa50 R08: 1ffff1000b93bf3c R09: 0000000000000001 [30562.706400] R10: ffff88005c9dfddf R11: ffffed000b93bfbb R12: ffff88005c9df9e0 [30562.706549] R13: ffff88005c9df9c8 R14: 0000000000000000 R15: 0000000000000100 [30562.706560] FS: 00007fd0dcc4b7a0(0000) GS:ffff88005d400000(0000) knlGS:0000000000000000 [30562.706566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [30562.706571] CR2: 00000000006197e0 CR3: 000000005d194000 CR4: 00000000000006f0 [30562.706658] Stack: [30562.706694] ffff88005c9dfb08 ffffffffb1dd24bd 0000000100000100 1ffff1000b93bf35 [30562.706706] 0000000041b58ab3 ffffffffb3a4e9ca ffffffffb1f39bc7 ffffffffb272b720 [30562.706717] 0000000000000000 ffffffffb1dd24bd ffff88005c9dfb08 0000000000000003 [30562.706719] Call Trace: [30562.706734] [] ? do_flush_tlb_all+0x3a/0x3a [30562.706743] [] ? generic_exec_single+0x30b/0x30b [30562.706751] [] ? _find_next_bit.part.0+0xd5/0xe3 [30562.706760] [] ? do_flush_tlb_all+0x3a/0x3a [30562.706768] [] smp_call_function_many+0x1b2/0x607 [30562.706777] [] ? do_flush_tlb_all+0x3a/0x3a [30562.706785] [] native_flush_tlb_others+0xab/0xda [30562.706793] [] ? switch_mm+0x2d/0x2d [30562.706800] [] ? cpumask_any_but+0x75/0x83 [30562.706808] [] flush_tlb_others+0x9/0xd [30562.706816] [] flush_tlb_mm_range+0x141/0x14c [30562.706824] [] change_protection+0x494/0xf93 [30562.706831] [] ? mm_pkey_free+0xf5/0xf5 [30562.706842] [] change_prot_numa+0x3e/0x61 [30562.706853] [] task_numa_work+0x834/0xb16 [30562.706861] [] ? switched_from_fair+0x13/0x13 [30562.706867] [] ? SYSC_newstat+0xb1/0xf4 [30562.706879] [] task_work_run+0x11e/0x140 [30562.706890] [] prepare_exit_to_usermode+0x177/0x1d9 [30562.706900] [] syscall_return_slowpath+0x1b4/0x247 [30562.706913] [] entry_SYSCALL_64_fastpath+0xa6/0xa8 [30562.706988] Code: 4d 85 f6 74 0f 4c 89 e6 48 c7 c7 00 38 4e b4 e8 b0 d6 84 00 4c 89 e7 e8 09 ca 26 00 41 8b 45 18 a8 01 74 09 e8 89 53 06 00 f3 90 c9 e8 80 53 06 00 e8 7b 53 06 00 48 b8 00 00 00 00 00 fc ff [30581.632086] [30581.668677] [] ? check_preempt_curr+0x289/0x2c3 [30581.752456] [] ? arch_local_irq_enable+0xb/0xd [30581.839496] [] active_load_balance_cpu_stop+0x47c/0x779 [30581.904984] [] ? task_weight+0xcd/0xcd [30581.952574] [] ? task_weight+0xcd/0xcd [30582.040928] [] ? multi_cpu_stop+0x34d/0x34d [30582.119552] [] cpu_stopper_thread+0x288/0x399 [30582.210233] [] ? multi_cpu_stop+0x34d/0x34d [30582.299374] [] ? _raw_spin_unlock_irqrestore+0x1a/0x1d [30582.361504] [] ? multi_cpu_stop+0x34d/0x34d [30582.432299] [] smpboot_thread_fn+0x6fa/0x711 [30582.489390] [] ? sort_range+0x35/0x35 [30582.543757] [] kthread+0x1f7/0x20b [30582.609444] [] ? sort_range+0x35/0x35 [30582.660462] [] ? init_completion+0x48/0x48 [30582.751673] [] ret_from_fork+0x1f/0x40 [30582.804426] [] ? init_completion+0x48/0x48 [30582.879180] Code: c0 78 0e f0 ff 43 70 e8 5f f8 ff ff ba 01 00 00 00 5b 89 d0 41 5c 5d c3 55 48 89 e5 9c 58 0f 1f 44 00 00 5d c3 55 48 89 e5 57 9d <0f> 1f 44 00 00 5d c3 55 48 89 e5 fa 66 0f 1f 44 00 00 5d c3 55